FN Thomson Reuters Web of Science™
VR 1.0
PT J
AU Maslov, S
Sneppen, K
AF Maslov, Sergei
Sneppen, Kim
TI Diversity Waves in Collapse-Driven Population Dynamics
SO PLOS COMPUTATIONAL BIOLOGY
LA English
DT Article
ID SPECIES ABUNDANCE DISTRIBUTIONS; SELF-ORGANIZED CRITICALITY; BACTERIAL
PERSISTENCE; PHAGE; MODEL; COMMUNITIES; GROWTH; BACTERIOPHAGES;
EXTINCTION; EVOLUTION
AB Populations of species in ecosystems are often constrained by availability of resources within their environment. In effect this means that a growth of one population, needs to be balanced by comparable reduction in populations of others. In neutral models of biodiversity all populations are assumed to change incrementally due to stochastic births and deaths of individuals. Here we propose and model another redistribution mechanism driven by abrupt and severe reduction in size of the population of a single species freeing up resources for the remaining ones. This mechanism may be relevant e.g. for communities of bacteria, with strain-specific collapses caused e.g. by invading bacteriophages, or for other ecosystems where infectious diseases play an important role. The emergent dynamics of our system is characterized by cyclic "diversity waves'' triggered by collapses of globally dominating populations. The population diversity peaks at the beginning of each wave and exponentially decreases afterwards. Species abundances have bimodal time-aggregated distribution with the lower peak formed by populations of recently collapsed or newly introduced species while the upper peak - species that has not yet collapsed in the current wave. In most waves both upper and lower peaks are composed of several smaller peaks. This self-organized hierarchical peak structure has a long-term memory transmitted across several waves. It gives rise to a scale-free tail of the time-aggregated population distribution with a universal exponent of 1.7. We show that diversity wave dynamics is robust with respect to variations in the rules of our model such as diffusion between multiple environments, species-specific growth and extinction rates, and bet-hedging strategies.
C1 [Maslov, Sergei] Univ Illinois, Dept Bioengn, Champaign, IL 60607 USA.
[Maslov, Sergei] Univ Illinois, Carl R Woese Inst Genom Biol, Champaign, IL USA.
[Maslov, Sergei] Brookhaven Natl Lab, Biol Environm & Climate Sci Dept, Upton, NY 11973 USA.
[Sneppen, Kim] Univ Copenhagen, Niels Bohr Inst, Ctr Models Life, DK-2100 Copenhagen, Denmark.
RP Maslov, S (reprint author), Univ Illinois, Dept Bioengn, Champaign, IL 60607 USA.
EM ssmaslov@gmail.com
OI Sneppen, Kim/0000-0001-9820-3567; Maslov, Sergei/0000-0002-3701-492X
FU Office of Biological Research of the U.S. Department of Energy [PM-031];
Danish National Research Foundation
FX Work at Brookhaven was supported by grants PM-031 from the Office of
Biological Research of the U.S. Department of Energy. Work at Copenhagen
was supported by Danish National Research Foundation. The funders played
no role in study design, data collection and analysis, decision to
publish, or preparation of the manuscript.
NR 49
TC 2
Z9 2
U1 1
U2 9
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
SN 1553-734X
EI 1553-7358
J9 PLOS COMPUT BIOL
JI PLoS Comput. Biol.
PD SEP
PY 2015
VL 11
IS 9
AR e1004440
DI 10.1371/journal.pcbi.1004440
PG 15
WC Biochemical Research Methods; Mathematical & Computational Biology
SC Biochemistry & Molecular Biology; Mathematical & Computational Biology
GA CS7LZ
UT WOS:000362266400026
PM 26367172
ER
PT J
AU al-Wahish, A
Armitage, D
al-Binni, U
Hill, B
Mills, R
Jalarvo, N
Santodonato, L
Herwig, KW
Mandrus, D
AF al-Wahish, Amal
Armitage, D.
al-Binni, U.
Hill, B.
Mills, R.
Jalarvo, N.
Santodonato, L.
Herwig, K. W.
Mandrus, D.
TI A new apparatus design for high temperature (up to 950 degrees C)
quasi-elastic neutron scattering in a controlled gaseous environment
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID SR-DOPED LAPO4; PROTON CONDUCTORS; DYNAMICS
AB A design for a sample cell system suitable for high temperature Quasi-Elastic Neutron Scattering (QENS) experiments is presented. The apparatus was developed at the Spallation Neutron Source in Oak Ridge National Lab where it is currently in use. The design provides a special sample cell environment under controlled humid or dry gas flow over a wide range of temperature up to 950 degrees C. Using such a cell, chemical, dynamical, and physical changes can be studied in situ under various operating conditions. While the cell combined with portable automated gas environment system is especially useful for in situ studies of microscopic dynamics under operational conditions that are similar to those of solid oxide fuel cells, it can additionally be used to study a wide variety of materials, such as high temperature proton conductors. The cell can also be used in many different neutron experiments when a suitable sample holder material is selected. The sample cell system has recently been used to reveal fast dynamic processes in quasi-elastic neutron scattering experiments, which standard probes (such as electrochemical impedance spectroscopy) could not detect. In this work, we outline the design of the sample cell system and present results demonstrating its abilities in high temperature QENS experiments. (C) 2015 AIP Publishing LLC.
C1 [al-Wahish, Amal; Mandrus, D.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Armitage, D.; Hill, B.; Mills, R.; Santodonato, L.; Herwig, K. W.] Oak Ridge Natl Lab, Instrument & Source Design Div, Oak Ridge, TN 37861 USA.
[al-Binni, U.] Berry Coll, Dept Phys Astron & Geol, Mt Berry, GA 30149 USA.
[Jalarvo, N.] Forschungszentrum Julich, Julich Ctr Neutron Sci, Outstn Spallat Neutron Source SNS, Oak Ridge, TN 37831 USA.
[Jalarvo, N.] Oak Ridge Natl Lab, Neutron Sci Directorate, Chem & Engn Mat Div, Oak Ridge, TN 37831 USA.
[Mandrus, D.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Mandrus, D.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP al-Wahish, A (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RI Mandrus, David/H-3090-2014; Jalarvo, Niina/Q-1320-2015; Santodonato,
Louis/A-9523-2015
OI Jalarvo, Niina/0000-0003-0644-6866; Santodonato,
Louis/0000-0002-4600-685X
FU U.S. Department of Energy (DOE); Basic Sciences (BES) and the Materials
Sciences and Engineering Division; Research Centre of Julich; Berry
College; Scientific User Facilities Division, Office of Basic Energy
Sciences, US Department of Energy
FX This work of A.A.W. and D.M. was supported by the U.S. Department of
Energy (DOE). The Basic Sciences (BES) and the Materials Sciences and
Engineering Division supported the work of A.A.W. Support also came from
the Research Centre of Julich (N.J.). U.A.B.'s work was supported by an
internal grant from Berry College. The research at ORNL's Spallation
Neutron Source was sponsored by the Scientific User Facilities Division,
Office of Basic Energy Sciences, US Department of Energy.
NR 31
TC 1
Z9 1
U1 3
U2 17
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 095102
DI 10.1063/1.4929580
PG 9
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300054
PM 26429475
ER
PT J
AU Bonetti, S
Kukreja, R
Chen, Z
Spoddig, D
Ollefs, K
Schoppner, C
Meckenstock, R
Ney, A
Pinto, J
Houanche, R
Frisch, J
Stohr, J
Durr, HA
Ohldag, H
AF Bonetti, Stefano
Kukreja, Roopali
Chen, Zhao
Spoddig, Detlef
Ollefs, Katharina
Schoeppner, Christian
Meckenstock, Ralf
Ney, Andreas
Pinto, Jude
Houanche, Richard
Frisch, Josef
Stoehr, Joachim
Duerr, Hermann A.
Ohldag, Hendrik
TI Microwave soft x-ray microscopy for nanoscale magnetization dynamics in
the 5-10 GHz frequency range
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID SPIN-WAVES; EXCITATION; RESONANCE
AB We present a scanning transmission x-ray microscopy setup combined with a novel microwave synchronization scheme for studying high frequency magnetization dynamics at synchrotron light sources. The sensitivity necessary to detect small changes in the magnetization on short time scales and nanometer spatial dimensions is achieved by combining the excitation mechanism with single photon counting electronics that is locked to the synchrotron operation frequency. Our instrument is capable of creating direct images of dynamical phenomena in the 5-10 GHz range, with high spatial resolution. When used together with circularly polarized x-rays, the above capabilities can be combined to study magnetic phenomena at microwave frequencies, such as ferromagnetic resonance (FMR) and spin waves. We demonstrate the capabilities of our technique by presenting phase resolved images of a similar to 6 GHz nanoscale spin wave generated by a spin torque oscillator, as well as the uniform ferromagnetic precession with similar to 0.1 degrees amplitude at similar to 9 GHz in a micrometer-sized cobalt strip. (C) 2015 AIP Publishing LLC.
C1 [Bonetti, Stefano; Chen, Zhao] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Bonetti, Stefano; Kukreja, Roopali; Chen, Zhao; Stoehr, Joachim; Duerr, Hermann A.] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA.
[Kukreja, Roopali] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA.
[Spoddig, Detlef; Ollefs, Katharina; Schoeppner, Christian; Meckenstock, Ralf; Ney, Andreas] Univ Duisburg Essen, Inst Expt Phys, Duisburg, Germany.
[Ollefs, Katharina] European Synchrotron Radiat Facil, F-38043 Grenoble, France.
[Ney, Andreas] Johannes Kepler Univ Linz, Div Solid State Phys, A-4040 Linz, Austria.
[Pinto, Jude; Houanche, Richard; Frisch, Josef] SLAC Natl Accelerator Lab, Linear Coherent Light Source, Menlo Pk, CA 94025 USA.
[Ohldag, Hendrik] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lab, Menlo Pk, CA 94025 USA.
RP Bonetti, S (reprint author), Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.
EM bonetti@slac.stanford.edu
RI Durr, Hermann/F-6205-2012; Bonetti, Stefano/A-9737-2009; Ohldag,
Hendrik/F-1009-2014; Ollefs, Katharina/F-5677-2016;
OI Bonetti, Stefano/0000-0001-9352-2411; Ollefs,
Katharina/0000-0002-2301-4670; Ney, Andreas/0000-0002-2388-6006
FU Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division [DE-AC02-76SF00515]; U.S.
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-76SF00515]; Knut and Alice Wallenberg Foundation
FX We are very grateful to Sergei Urazhdin at Emory University for
fabricating the samples for the spin wave measurements. This work is
supported by the Department of Energy, Office of Science, Basic Energy
Sciences, Materials Sciences and Engineering Division, under Contract
No. DE-AC02-76SF00515. Use of the Stanford Synchrotron Radiation
Lightsource, SLAC National Accelerator Laboratory, is supported by the
U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences under Contract No. DE-AC02-76SF00515. Stefano Bonetti
gratefully acknowledges support from the Knut and Alice Wallenberg
Foundation.
NR 27
TC 3
Z9 3
U1 6
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 093703
DI 10.1063/1.4930007
PG 9
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300023
PM 26429444
ER
PT J
AU Du, ZX
Gu, TT
Dobrosavljevic, V
Weir, ST
Falabella, S
Lee, KKM
AF Du, Zhixue
Gu, Tingting
Dobrosavljevic, Vasilije
Weir, Samuel T.
Falabella, Steve
Lee, Kanani K. M.
TI Using stepped anvils to make even insulation layers in laser-heated
diamond-anvil cell samples
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID LOWER MANTLE
AB We describe a method to make even insulation layers for high-pressure laser-heated diamond-anvil cell samples using stepped anvils. The method works for both single-sided and double-sided laser heating using solid or fluid insulation. The stepped anvils are used as matched pairs or paired with a flat culet anvil to make gasket insulation layers and not actually used at high pressures; thus, their longevity is ensured. We compare the radial temperature gradients and Soret diffusion of iron between self-insulating samples and samples produced with stepped anvils and find that less pronounced Soret diffusion occurs in samples with even insulation layers produced by stepped anvils. (C) 2015 AIP Publishing LLC.
C1 [Du, Zhixue; Gu, Tingting; Dobrosavljevic, Vasilije; Lee, Kanani K. M.] Yale Univ, Dept Geol & Geophys, New Haven, CT 06520 USA.
[Weir, Samuel T.; Falabella, Steve] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Du, ZX (reprint author), Yale Univ, Dept Geol & Geophys, POB 6666, New Haven, CT 06520 USA.
FU YINQE; NSF MRSEC [DMR 1119826]; U.S. Department of Energy, Office of
Basic Energy Sciences [DE-AC02-98CH10886]; NSF [EAR-1321956,
EAR-0955824]
FX We thank M. Rooks and F. Camino for FIB help; Z. Jiang for SEM
assistance; J. Girard, G. Amulele, W. Samela, and C. Fiederlein for
technical support. Facilities' use was supported by YINQE and NSF MRSEC
DMR 1119826. Research carried out in part at the Center for Functional
Nanomaterials, Brookhaven National Laboratory, which is supported by the
U.S. Department of Energy, Office of Basic Energy Sciences, under
Contract No. DE-AC02-98CH10886. This work was funded in part by NSF
(Grant Nos. EAR-1321956 and EAR-0955824).
NR 20
TC 1
Z9 1
U1 0
U2 10
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 095103
DI 10.1063/1.4929667
PG 6
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300055
PM 26429476
ER
PT J
AU Groll, N
Pellin, MJ
Zasadzinksi, JF
Proslier, T
AF Groll, Nickolas
Pellin, Michael J.
Zasadzinksi, John F.
Proslier, Thomas
TI Point contact tunneling spectroscopy apparatus for large scale mapping
of surface superconducting properties
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID ENERGY-GAP; CONDUCTANCE; NIOBIUM; TIPS; NB
AB We describe the design and testing of a point contact tunneling spectroscopy device that can measure material surface superconducting properties (i.e., the superconducting gap. and the critical temperature T-C) and density of states over large surface areas with size up to mm(2). The tip lateral (X, Y) motion, mounted on a (X, Y, Z) piezo-stage, was calibrated on a patterned substrate consisting of Nb lines sputtered on a gold film using both normal (Al) and superconducting (PbSn) tips at 1.5 K. The tip vertical (Z) motion control enables some adjustment of the tip-sample junction resistance that can be measured over 7 orders of magnitudes from a quasi-ohmic regime (few hundred Omega) to the tunnel regime (from tens of k Omega up to few G Omega). The low noise electronic and LabVIEW program interface are also presented. The point contact regime and the large-scale motion capabilities are of particular interest for mapping and testing the superconducting properties of macroscopic scale superconductor-based devices. (C) 2015 AIP Publishing LLC.
C1 [Groll, Nickolas; Pellin, Michael J.; Proslier, Thomas] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Zasadzinksi, John F.] IIT, Chicago, IL 60616 USA.
[Proslier, Thomas] Argonne Natl Lab, Div High Energy Phys, Lemont, IL 60439 USA.
RP Groll, N (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM prolier@anl.gov
RI Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
FU Department of Energy, Office of Sciences, Office of High Energy Physics,
Early Career Award [FWP 50335]; U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, and Office of Science User
Facility [DE-AC02-06CH11357]
FX This work was funded by the Department of Energy, Office of Sciences,
Office of High Energy Physics, Early Career Award No. FWP 50335. Use of
the Center for Nanoscale Materials and resources of the Advanced Photon
Source was supported by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, and Office of Science User
Facility, under Contract No. DE-AC02-06CH11357.
NR 46
TC 1
Z9 1
U1 0
U2 11
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 095111
DI 10.1063/1.4931066
PG 8
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300063
PM 26429484
ER
PT J
AU Ichimaru, S
Takenaka, H
Namikawa, K
Gullikson, EM
Maruyama, M
Oku, S
AF Ichimaru, S.
Takenaka, H.
Namikawa, K.
Gullikson, E. M.
Maruyama, M.
Oku, S.
TI Demonstration of the high collection efficiency of a broadband Mo/Si
multilayer mirror with a graded multilayer coating on an ellipsoidal
substrate
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID EXTREME-ULTRAVIOLET LITHOGRAPHY; X-RAY TELESCOPE; LIGHT; LASER
AB A graded and broadband Mo/Si multilayer mirror for EUV spectroscopy is demonstrated. This mirror has an average reflectivity profile of 16% in the wavelength region from 15 nm to 17 nm and an effective area of 1100-1500 mm(2). This reflectivity is about 4 times larger than that of a standard Mo/Si multilayer mirror on a 1 in. diameter substrate, showing that the mirror can be used for measuring EUV fluorescence at wavelengths in the region around 15 nm to 17 nm. (C) 2015 AIP Publishing LLC.
C1 [Ichimaru, S.; Takenaka, H.; Oku, S.] NTT Adv Technol Corp, Atsugi, Kanagawa 2430124, Japan.
[Namikawa, K.] Tokyo Gakugei Univ, Koganei, Tokyo 1848501, Japan.
[Gullikson, E. M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Maruyama, M.] Japan Atom Energy Agcy, Quantum Beam Sci Ctr, Kizugawa, Kyoto 6190215, Japan.
RP Ichimaru, S (reprint author), NTT Adv Technol Corp, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430124, Japan.
EM satoshi.ichimaru@ntt-at.co.jp
NR 19
TC 1
Z9 1
U1 2
U2 6
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 093106
DI 10.1063/1.4929708
PG 7
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300007
PM 26429428
ER
PT J
AU Kemp, GE
Link, A
Ping, Y
Ayers, S
Patel, PK
AF Kemp, G. E.
Link, A.
Ping, Y.
Ayers, S.
Patel, P. K.
TI Commissioning of a frequency-resolved optical gating system at the OMEGA
EP laser facility: SpecFROG
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID SINGLE-SHOT MEASUREMENT; ULTRASHORT PULSES; PLASMA INTERACTIONS; PHASE;
INTENSITY; SIMULATION; GENERATION; TRANSPORT; IGNITION; TARGETS
AB We present the design and commissioning of a new single-shot, frequency-resolved optical gating system on the OMEGA EP laser facility - dubbed "SPECFROG" - for characterizing the instantaneous intensity and phase of similar to 10 ps pulses used to study ultra-intense laser-plasma interactions. A polarization-gating geometry is employed to ensure tha the diagnostic is broadband and has unambiguous time directionality. SPECFROG is capable of characterizing similar to 10 s of mJ pulses with durations between 0.5-25 ps with less than or similar to 285 fs geometrical temporal blurring and similar to 0.1% spectral shift resolutions over an adjustable total spectral shifting window of similar to 15% of the carrier wavelength lambda(o); configurations currently exist for both the fundamental (1 omega, lambda(o) = 1.054 mu m) and second harmonic (2 omega, lambda(o) = 0.527 mu m) of the EP pulse. Initial specular reflectivity measurements of the similar to 1 kJ, similar to 10 ps OMEGA EP laser off solid density aluminum targets suggest drastically different scalings for specular pulse properties compared to picosecond-scale pulses of comparable intensities. (C) 2015 AIP Publishing LLC.
C1 [Kemp, G. E.; Link, A.; Ping, Y.; Ayers, S.; Patel, P. K.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Kemp, GE (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM kemp10@llnl.gov
RI Patel, Pravesh/E-1400-2011
FU DOE [DE-AC52-07NA27344]; Lawrence Scholar Program, OFES-NNSA Joint
Program in High-Energy-Density Laboratory Plasmas
FX The authors would like to thank C. Source, D. Canning, R. B. Brannon, I.
Begishev, and N. Whiting for all their assistance and input, as well as
the MTW, OMEGA EP, and JLF crews for the lab-space and assistance with
assembly. This work was performed under DOE Contract No.
DE-AC52-07NA27344 with support from the Lawrence Scholar Program,
OFES-NNSA Joint Program in High-Energy-Density Laboratory Plasmas, and
an allocation of experimental time from the University of
Rochester/Laboratory for Laser Energetics Laboratory Basic Science
Program.
NR 40
TC 0
Z9 0
U1 0
U2 10
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 093501
DI 10.1063/1.4929868
PG 7
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300016
PM 26429437
ER
PT J
AU Lin, TY
Anderson, GA
Norheim, RV
Prost, SA
LaMarche, BL
Leach, FE
Auberry, KJ
Smith, RD
Koppenaal, DW
Robinson, EW
Pasa-Tolic, L
AF Lin, T. -Y.
Anderson, G. A.
Norheim, R. V.
Prost, S. A.
LaMarche, B. L.
Leach, F. E., III
Auberry, K. J.
Smith, R. D.
Koppenaal, D. W.
Robinson, E. W.
Pasa-Tolic, L.
TI An adaptable multiple power source for mass spectrometry and other
scientific instruments
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
AB An Adaptable Multiple Power Source (AMPS) system has been designed and constructed. The AMPS system can provide up to 16 direct current (DC) (+/- 400 V;5 mA), 4 radio frequency (RF) (two 500 V-PP sinusoidal signals each, 0.5-5 MHz) channels, 2 high voltage sources (+/- 6 kV), and one similar to 40W, 250 degrees C temperature-regulated heater. The system is controlled by a microcontroller, capable of communicating with its front panel or a computer. It can assign not only pre-saved fixed DC and RF signals but also profiled DC voltages. The AMPS system is capable of driving many mass spectrometry components and ancillary devices and can be adapted to other instrumentation/engineering projects. (C) 2015 AIP Publishing LLC.
C1 [Lin, T. -Y.; Norheim, R. V.; Prost, S. A.; Auberry, K. J.; Koppenaal, D. W.; Robinson, E. W.; Pasa-Tolic, L.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Anderson, G. A.] GAA Custom Engn LLC, Benton City, WA 99320 USA.
[LaMarche, B. L.] Hecate Software Inc, Ft Worth, TX 76110 USA.
[Leach, F. E., III] Photochem Technol, Athens, GA 30602 USA.
[Smith, R. D.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99354 USA.
[Lin, T. -Y.; LaMarche, B. L.; Leach, F. E., III] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Pasa-Tolic, L (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
EM Ljiljana.PasaTolic@pnnl.gov
RI Smith, Richard/J-3664-2012
OI Smith, Richard/0000-0002-2381-2349
FU "High Resolution Mass Accuracy Capability Development Project";
"Pan-omics Project" of the Department of Energy's Office of Biological
and Environmental Research Genomic Sciences Program; DOE
[DE-AC05-76RLO01830]
FX Portions of this research were supported by the "High Resolution Mass
Accuracy Capability Development Project" and the "Pan-omics Project" of
the Department of Energy's Office of Biological and Environmental
Research Genomic Sciences Program. Work was performed in the
Environmental Molecular Science Laboratory, a U.S. Department of Energy
(DOE) national scientific user facility at Pacific Northwest National
Laboratory (PNNL) in Richland, WA. Battelle operates PNNL for the DOE
under Contract No. DE-AC05-76RLO01830.
NR 9
TC 1
Z9 1
U1 2
U2 5
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 094102
DI 10.1063/1.4930967
PG 6
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300038
PM 26429459
ER
PT J
AU Palmer, A
Silevitch, DM
Feng, YJ
Wang, YS
Jaramillo, R
Banerjee, A
Ren, Y
Rosenbaum, TF
AF Palmer, A.
Silevitch, D. M.
Feng, Yejun
Wang, Yishu
Jaramillo, R.
Banerjee, A.
Ren, Y.
Rosenbaum, T. F.
TI Sub-Kelvin magnetic and electrical measurements in a diamond anvil cell
with in situ tunability
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID HIGH-PRESSURE; QUANTUM CRITICALITY; SINGLE-CRYSTALS; LOW-TEMPERATURE;
SUPERCONDUCTIVITY; RESISTIVITY; ALLOY; METAL; FERROMAGNETISM; TRANSITION
AB We discuss techniques for performing continuous measurements across a wide range of pressure-field-temperature phase space, combining the milli-Kelvin temperatures of a helium dilution refrigerator with the giga-Pascal pressures of a diamond anvil cell and the Tesla magnetic fields of a superconducting magnet. With a view towards minimizing remnant magnetic fields and background magnetic susceptibility, we characterize high-strength superalloy materials for the pressure cell assembly, which allows high fidelity measurements of low-field phenomena such as superconductivity below 100 mK at pressures above 10 GPa. In situ tunability and measurement of the pressure permit experiments over a wide range of pressure, while at the same time making possible precise steps across abrupt phase transitions such as those from insulator to metal. (C) 2015 AIP Publishing LLC.
C1 [Palmer, A.; Silevitch, D. M.; Feng, Yejun; Wang, Yishu; Rosenbaum, T. F.] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA.
[Palmer, A.; Silevitch, D. M.; Feng, Yejun; Wang, Yishu; Rosenbaum, T. F.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
[Feng, Yejun; Ren, Y.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Jaramillo, R.] MIT, Dept Mat Sci & Engn, Cambridge, MA 02138 USA.
[Banerjee, A.] Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA.
[Rosenbaum, T. F.] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA.
RP Palmer, A (reprint author), Univ Chicago, James Franck Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA.
RI Feng, Yejun/A-5417-2009;
OI Feng, Yejun/0000-0003-3667-056X; Banerjee, Arnab/0000-0002-3088-6071
FU National Science Foundation [DMR-1206519]; NSF [DMR-1420709]; U.S.
Department of Energy Office of Basic Energy Sciences
[DE-FG02-99ER45789]; U.S. Department of Energy Basic Energy Sciences
[DE-AC02-06CH11357]; U.S. Department of Energy Office of Science User
Facility [DE-AC02-06CH11357]
FX We thank V. Struzhkin for providing the 40HNU-VI alloy sample for
testing, J. M. Honig for growing the NiS2 samples, S.
Sinogeikin at HP-CAT (Sector 16) of the Advanced Photon Source for
development of helium diaphragm membranes, and J. S. Schilling for
useful conversations. The work at the University of Chicago was
supported by the National Science Foundation (Grant No. DMR-1206519) and
used MRSEC shared facilities (NSF Grant No. DMR-1420709). D.M.S.
acknowledges support from the U.S. Department of Energy Office of Basic
Energy Sciences (Grant No. DE-FG02-99ER45789). The work at the Advanced
Photon Source of Argonne National Laboratory was supported by the U.S.
Department of Energy Basic Energy Sciences under Contract No.
DE-AC02-06CH11357. SQUID magnetometry measurements were performed in
part at the Center for Nanoscale Materials, a U.S. Department of Energy
Office of Science User Facility, under Contract No. DE-AC02-06CH11357
with the assistance of B. Fisher.
NR 62
TC 2
Z9 2
U1 7
U2 18
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 093901
DI 10.1063/1.4929861
PG 10
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300030
PM 26429451
ER
PT J
AU Shade, PA
Blank, B
Schuren, JC
Turner, TJ
Kenesei, P
Goetze, K
Suter, RM
Bernier, JV
Li, SF
Lind, J
Lienert, U
Almer, J
AF Shade, Paul A.
Blank, Basil
Schuren, Jay C.
Turner, Todd J.
Kenesei, Peter
Goetze, Kurt
Suter, Robert M.
Bernier, Joel V.
Li, Shiu Fai
Lind, Jonathan
Lienert, Ulrich
Almer, Jonathan
TI A rotational and axial motion system load frame insert for in situ high
energy x-ray studies
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID CRYSTAL PLASTICITY; DIFFRACTION MICROSCOPY; TOMOGRAPHIC MICROSCOPY;
POLYCRYSTALLINE COPPER; STRUCTURAL-MATERIALS; SINGLE-GRAIN; 3
DIMENSIONS; DEFORMATION; ORIENTATION; SIMULATIONS
AB High energy x-ray characterization methods hold great potential for gaining insight into the behavior of materials and providing comparison datasets for the validation and development of mesoscale modeling tools. A suite of techniques have been developed by the x-ray community for characterizing the 3D structure and micromechanical state of polycrystalline materials; however, combining these techniques with in situ mechanical testing under well characterized and controlled boundary conditions has been challenging due to experimental design requirements, which demand new high-precision hardware as well as access to high-energy x-ray beamlines. We describe the design and performance of a load frame insert with a rotational and axial motion system that has been developed to meet these requirements. An example dataset from a deforming titanium alloy demonstrates the new capability. (C) 2015 AIP Publishing LLC.
C1 [Shade, Paul A.; Schuren, Jay C.; Turner, Todd J.] Air Force Res Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 USA.
[Blank, Basil] PulseRay, Beaver Dams, NY 14812 USA.
[Kenesei, Peter; Goetze, Kurt; Lienert, Ulrich; Almer, Jonathan] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Suter, Robert M.; Lind, Jonathan] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Bernier, Joel V.; Li, Shiu Fai; Lind, Jonathan] Lawrence Livermore Natl Lab, Engn Directorate, Livermore, CA 94550 USA.
RP Shade, PA (reprint author), Air Force Res Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 USA.
EM paul.shade.1@us.af.mil
RI Shade, Paul/H-6459-2011; Suter, Robert/P-2541-2014
OI Suter, Robert/0000-0002-0651-0437
FU Materials & Manufacturing Directorate of the U.S. Air Force Research
Laboratory; U.S. DOE [DEAC02-06CH11357]
FX The authors would like to thank Dr. Adam Pilchak (Air Force Research
Laboratory) for providing the Ti-7Al material examined in this study,
Dr. Chris Woodward (Air Force Research Laboratory) for help securing the
computational resources required for the data reduction, Ali Mashayekhi
(Advanced Photon Source) and Erika Benda (Advanced Photon Source) for
help with the experimental setup, and Dr. Dennis Dimiduk (Air Force
Research laboratory) and Professor Matthew Miller (Cornell University)
for useful discussions. The authors acknowledge support from the
Materials & Manufacturing Directorate of the U.S. Air Force Research
Laboratory. Use of the Advanced Photon Source, an Office of Science User
Facility operated for the U.S. Department of Energy (DOE) Office of
Science by Argonne National Laboratory was supported by the U.S. DOE
under Contract No. DEAC02-06CH11357.
NR 53
TC 7
Z9 7
U1 3
U2 23
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 093902
DI 10.1063/1.4927855
PG 8
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300031
PM 26429452
ER
PT J
AU Tamalonis, A
Weber, JKR
Neuefeind, JC
Carruth, J
Skinner, LB
Alderman, OLG
Benmore, CJ
AF Tamalonis, A.
Weber, J. K. R.
Neuefeind, J. C.
Carruth, J.
Skinner, L. B.
Alderman, O. L. G.
Benmore, C. J.
TI Note: Detector collimators for the nanoscale ordered materials
diffractometer instrument at the Spallation Neutron Source
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
AB Five neutron collimator designs were constructed and tested at the nanoscale ordered materials diffractometer (NOMAD) instrument. Collimators were made from High Density PolyEthylene (HDPE) or 5% borated HDPE. In all cases, collimators improved the signal to background ratio and reduced detection of secondary scattering. In the Q-range 10-20 (angstrom)-(1), signal to background ratio improved by factors of approximately 1.6 and 2.0 for 50 and 100 mm deep collimators, respectively. In the Q-range 40-50 angstrom(-1), the improvement factors were 1.8 and 2.7. Secondary scattering as measured at Q similar to 9.5 angstrom(-1) was significantly decreased when the collimators were installed. (C) 2015 AIP Publishing LLC.
C1 [Tamalonis, A.; Weber, J. K. R.; Skinner, L. B.; Alderman, O. L. G.] Mat Dev Inc, Arlington Hts, IL 60004 USA.
[Weber, J. K. R.; Skinner, L. B.; Alderman, O. L. G.; Benmore, C. J.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Neuefeind, J. C.; Carruth, J.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
[Skinner, L. B.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
RP Weber, JKR (reprint author), Mat Dev Inc, Arlington Hts, IL 60004 USA.
EM rweber@anl.gov
RI Skinner, Lawrie/I-2603-2012; Neuefeind, Joerg/D-9990-2015;
OI Skinner, Lawrie/0000-0001-7317-1642; Neuefeind,
Joerg/0000-0002-0563-1544; Carruth, John/0000-0002-0868-246X; Weber,
Richard/0000-0002-2145-1279; Benmore, Chris/0000-0001-7007-7749;
Alderman, Oliver/0000-0002-2342-811X
FU DOE [DE-SC0004684]; Scientific User Facilities Division, Office of Basic
Energy Sciences, US Department of Energy
FX This work was funded by DOE Grant No. DE-SC0004684. Research at ORNL's
Spallation Neutron Source was sponsored by the Scientific User
Facilities Division, Office of Basic Energy Sciences, US Department of
Energy.
NR 4
TC 0
Z9 0
U1 1
U2 10
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 096105
DI 10.1063/1.4930279
PG 3
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300071
PM 26429492
ER
PT J
AU Yin, Z
Peters, HB
Hahn, U
Agaker, M
Hage, A
Reininger, R
Siewert, F
Nordgren, J
Viefhaus, J
Techert, S
AF Yin, Z.
Peters, H. B.
Hahn, U.
Agaker, M.
Hage, A.
Reininger, R.
Siewert, F.
Nordgren, J.
Viefhaus, J.
Techert, S.
TI A new compact soft x-ray spectrometer for resonant inelastic x-ray
scattering studies at PETRA III
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
ID SYNCHROTRON-RADIATION; EMISSION-SPECTROSCOPY; RESOLUTION; SPECTROGRAPH;
EFFICIENCY; DYNAMICS; SPECTRA; LIQUIDS
AB We present a newly designed compact grating spectrometer for the energy range from 210 eV to 1250 eV, which would include the K alpha(1,2) emission lines of vital elements like C, N, and O. The spectrometer is based on a grazing incidence spherical varied line spacing grating with 2400 l/mm at its center and a radius of curvature of 58 542 mm. First, results show a resolving power of around 1000 at an energy of 550 eV and a working spectrometer for high vacuum (10(-4) mbar) environment without losing photon intensity. (C) 2015 AIP Publishing LLC.
C1 [Yin, Z.; Hahn, U.; Hage, A.; Viefhaus, J.; Techert, S.] DESY, Photon Sci, D-22607 Hamburg, Germany.
[Yin, Z.; Techert, S.] Max Planck Inst Biophys Chem, Struct Dynam Biochem Syst, D-37077 Gottingen, Germany.
[Peters, H. B.] DESY, ZM1, D-22607 Hamburg, Germany.
[Agaker, M.; Nordgren, J.] Uppsala Univ, Dept Phys, S-75121 Uppsala, Sweden.
[Hage, A.] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland.
[Reininger, R.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Siewert, F.] Helmholtz Zentrum Berlin, Inst Nanometre Opt & Technol, D-12489 Berlin, Germany.
[Techert, S.] Univ Gottingen, Inst Xray Phys, D-37077 Gottingen, Germany.
RP Yin, Z (reprint author), DESY, Photon Sci, D-22607 Hamburg, Germany.
EM zhong.yin@desy.de; simone.techert@desy.de
RI Yin, Zhong/B-9403-2017
OI Yin, Zhong/0000-0001-5594-9879
FU German Science Foundation (DFG) [SFB755, SFB 1073]; Max Planck Institute
of Biophysical Chemistry; Deutsches Elektronen-Synchrotron; European
Metrology Research Project within EURAMET program of the European Union
[EMRP-JRP SIB58]
FX The authors gratefully acknowledge the financial support from SFB755
"Nanoscale Photonic Imaging" and Project No. C02 of SFB 1073 "Atomic
Scale Control of Energy Conversion" of the German Science Foundation
(DFG), the Max Planck Institute of Biophysical Chemistry, and Deutsches
Elektronen-Synchrotron. F. Siewert's work was partly funded by the
European Metrology Research Project No. EMRP-JRP SIB58 Angles within the
EURAMET program of the European Union. S.T. is grateful to the Funds of
the Chemical Industry. We thank the staff of P04 and S. Klumpp for their
continuous support and T. Baumann and J. R. Crespo Lopez-Urrutia for
valuable discussions.
NR 36
TC 3
Z9 3
U1 6
U2 19
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD SEP
PY 2015
VL 86
IS 9
AR 093109
DI 10.1063/1.4930968
PG 5
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA CT1PX
UT WOS:000362573300010
PM 26429431
ER
PT J
AU Shaw, WJ
AF Shaw, Wendy J.
TI Solid-state NMR studies of proteins immobilized on inorganic surfaces
SO SOLID STATE NUCLEAR MAGNETIC RESONANCE
LA English
DT Article
DE Biomineralization; Immobilized proteins; Dipolar recoupling; Protein
structure; Protein dynamics; Protein orientation; Multi-dimensional
solid state NMR; Amelogenin; Statherin; Silaffin
ID ATOMIC-FORCE MICROSCOPY; PROTON-ENHANCED NMR; BASIC-AMINO-ACIDS;
HYDROXYAPATITE CRYSTALS; MOLECULAR RECOGNITION; CALCIUM-PHOSPHATE;
OCTACALCIUM PHOSPHATE; POLARIZATION TRANSFER; AMYLOID FIBRILS; STATHERIN
AB Solid state NMR is the primary tool for studying the quantitative, site-specific structure, orientation, and dynamics of biomineralization proteins under biologically relevant conditions. Two calcium phosphate proteins, statherin (43 amino acids) and leucine rich amelogenin protein (LRAP; 59 amino acids), have been studied in depth and have different dynamic properties and 2D- and 3D-structural features. These differences make it difficult to extract design principles used in nature for building materials with properties such as high strength, unusual morphologies, or uncommon phases. Consequently, design principles needed for developing synthetic materials controlled by proteins are not clear. Many biomineralization proteins are much larger than statherin and LRAP, necessitating the study of larger biomineralization proteins. More recent studies of the significantly larger full-length amelogenin (180 residues) represent a significant step forward to ultimately investigate the full diversity of biomineralization proteins. Interactions of amino acids, a silaffin derived peptide, and the model LK peptide with silica are also being studied, along with qualitative studies of the organic matrices interacting with calcium carbonate. Dipolar recoupling techniques have formed the core of the quantitative studies, yet the need for isolated spin pairs makes this approach costly and time intensive. The use of multidimensional techniques to study biomineralization proteins is becoming more common, methodology which, despite its challenges with these difficult-to-study proteins, will continue to drive future advancements in this area. (C) 2015 Elsevier Inc. All rights reserved.
C1 Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Shaw, WJ (reprint author), Pacific NW Natl Lab, POB 999,MS K2-57, Richland, WA 99352 USA.
EM wendy.shaw@pnnl.gov
FU NIH-NIDCR Grant [DE-015347]; U.S. DOE Biological and Environmental
Research program
FX This review and the authors work herein was supported by NIH-NIDCR Grant
DE-015347. The authors research reviewed in this work was performed at
the Pacific Northwest National Laboratory (PNNL), a facility operated by
Battelle for the U.S. Department of Energy, with a portion of it
performed at the W.R. Wiley Environmental Molecular Sciences Laboratory
(EMSL), a national scientific user facility sponsored by the U.S. DOE
Biological and Environmental Research program.
NR 86
TC 5
Z9 5
U1 7
U2 30
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0926-2040
EI 1527-3326
J9 SOLID STATE NUCL MAG
JI Solid State Nucl. Magn. Reson.
PD SEP
PY 2015
VL 70
BP 1
EP 14
DI 10.1016/j.ssnmr.2014.10.003
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical; Physics,
Condensed Matter; Spectroscopy
SC Chemistry; Physics; Spectroscopy
GA CS1PT
UT WOS:000361840200001
PM 25466354
ER
PT J
AU Lee, H
Le, HV
Wu, R
Doud, E
Sanishvili, R
Kellie, JF
Compton, PD
Pachaiyappan, B
Liu, DL
Kelleher, NL
Silverman, RB
AF Lee, Hyunbeom
Le, Hoang V.
Wu, Rui
Doud, Emma
Sanishvili, Ruslan
Kellie, John F.
Compton, Philip D.
Pachaiyappan, Boobalan
Liu, Dali
Kelleher, Neil L.
Silverman, Richard B.
TI Mechanism of Inactivation of GABA Aminotransferase by (E)- and
(Z)-(1S,3S)-3-Amino-4-fluoromethylenyl-1-cyclopentanoic Acid
SO ACS CHEMICAL BIOLOGY
LA English
DT Article
ID GAMMA-AMINOBUTYRATE AMINOTRANSFERASE; DRUG-RESISTANT EPILEPSY; GLUTAMATE
DECARBOXYLASE; COCAINE ADDICTION; VIGABATRIN; BRAIN; CPP-115;
MULTICENTER; RECEPTOR; DISEASE
AB When gamma-aminobutyric acid (GABA), the major inhibitory neurotransmitter in the mammalian central nervous system, falls below a threshold level, seizures occur. One approach to raise GABA concentrations is to inhibit GABA aminotransferase (GABA-AT), a pyridoxal 5'-phosphate-dependent enzyme that degrades GABA. We have previously developed (1S,3S)-3-amino-4-difluoromethylene-1-cyclopentanoic acid (CPP-115), which is 186 times more efficient in inactivating GABA-AT than vigabatrin, the only FDA-approved inactivator of GABA-AT. We also developed (E)- and (Z)-(1S,3S)-3-amino-4-fluoromethylenyl-1-cyclopentanoic acid (1 and 2, respectively), monofluorinated analogs of CPP-115, which are comparable to vigabatrin in inactivating GABA-AT. Here, we report the mechanism of inactivation of GABA-AT by 1 and 2. Both produce a metabolite that induces disruption of the Glu270-Arg445 salt bridge to accommodate interaction between the metabolite formyl group and Arg445. This is the second time that Arg445 has interacted with a ligand and is involved in GABA-AT inactivation, thereby confirming the importance of Arg445 in future inactivator design.
C1 [Lee, Hyunbeom; Le, Hoang V.; Pachaiyappan, Boobalan; Silverman, Richard B.] Northwestern Univ, Dept Chem, Chem Life Proc Inst, Evanston, IL 60208 USA.
[Lee, Hyunbeom; Le, Hoang V.; Pachaiyappan, Boobalan; Silverman, Richard B.] Northwestern Univ, Dept Mol Biosci, Chem Life Proc Inst, Evanston, IL 60208 USA.
[Lee, Hyunbeom; Le, Hoang V.; Pachaiyappan, Boobalan; Silverman, Richard B.] Northwestern Univ, Ctr Mol Innovat & Drug Discovery, Evanston, IL 60208 USA.
[Wu, Rui; Liu, Dali] Loyola Univ, Dept Chem & Biochem, Chicago, IL 60660 USA.
[Doud, Emma; Kellie, John F.; Compton, Philip D.; Kelleher, Neil L.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Doud, Emma; Kellie, John F.; Compton, Philip D.; Kelleher, Neil L.] Northwestern Univ, Dept Mol Biosci, Evanston, IL 60208 USA.
[Doud, Emma; Kellie, John F.; Compton, Philip D.; Kelleher, Neil L.] Northwestern Univ, Prote Ctr Excellence, Evanston, IL 60208 USA.
[Sanishvili, Ruslan] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Lemont, IL 60439 USA.
RP Silverman, RB (reprint author), Northwestern Univ, Dept Chem, Chem Life Proc Inst, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM Agman@chem.northwestern.edu
OI Compton, Philip/0000-0001-5212-7175
FU National Institutes of Health [GM066132, DA030604, GM067725]; Federal
funds from National Cancer Institute [ACB-12002]; National Institute of
General Medical Sciences [AGM-12006]; DOE Office of Science by Argonne
National Laboratory [DE-AC02-06CH11357]; International Institute of
Nanotechnology
FX The authors are grateful to the National Institutes of Health for
financial support (grants GM066132 and DA030604 to R.B.S.; GM067725 to
N.L.K). GM/CA@APS has been funded in whole or in part with Federal funds
from the National Cancer Institute (ACB-12002) and the National
Institute of General Medical Sciences (AGM-12006). This research used
resources of the Advanced Photon Source, a U.S. Department of Energy
(DOE) Office of Science User Facility operated for the DOE Office of
Science by Argonne National Laboratory under contract no.
DE-AC02-06CH11357. We would also like to thank Park Packing Co.
(Chicago, IL) for their generosity in providing fresh pig brains for
this study. Support for the spectrometer funding has been provided by
the International Institute of Nanotechnology.
NR 36
TC 1
Z9 1
U1 0
U2 7
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1554-8929
EI 1554-8937
J9 ACS CHEM BIOL
JI ACS Chem. Biol.
PD SEP
PY 2015
VL 10
IS 9
BP 2087
EP 2098
DI 10.1021/acschembio.5b00212
PG 12
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CS1ZI
UT WOS:000361867200016
PM 26110556
ER
PT J
AU Hla, SW
AF Hla, Saw-Wai
TI Trapping a Charged Atom
SO ACS NANO
LA English
DT Article
ID DIMETHYL-SULFOXIDE; BATTERIES; BIOLOGY
AB Engineering of supramolecular assemblies on surfaces is an emerging field of research impacting chemistry, electronics, and biology. Among supramolecular assemblies, metal-containing structures provide rich properties and enable robust nanostructured designs. In this issue of ACS Nano, Feng eta!, report that supramolecular assemblies can trap gold adatoms that maintain a charged state on a Au(111) surface. Such charged adatoms may offer additional degrees of freedom in designing novel supramolecular architectures for efficient catalysts, memory, and charge storage for medical applications.
C1 [Hla, Saw-Wai] Argonne Natl Lab, Nanosci & Technol Div, Ctr Nanoscale Mat, Lemont, IL 60439 USA.
[Hla, Saw-Wai] Ohio Univ, Nanosci & Quantum Phenomena Inst, Athens, OH 45701 USA.
[Hla, Saw-Wai] Ohio Univ, Condensed Matter & Surface Sci Program, Athens, OH 45701 USA.
RP Hla, SW (reprint author), Argonne Natl Lab, Nanosci & Technol Div, Ctr Nanoscale Mat, Lemont, IL 60439 USA.
EM hla@ohio.edu
NR 18
TC 1
Z9 1
U1 4
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
EI 1936-086X
J9 ACS NANO
JI ACS Nano
PD SEP
PY 2015
VL 9
IS 9
BP 8644
EP 8646
DI 10.1021/acsnano.5b04985
PG 3
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA CS2XR
UT WOS:000361935800002
PM 26325629
ER
PT J
AU Bilgin, I
Liu, FZ
Vargas, A
Winchester, A
Man, MKL
Upmanyu, M
Dani, KM
Gupta, G
Talapatra, S
Mohite, AD
Kar, S
AF Bilgin, Ismail
Liu, Fangze
Vargas, Anthony
Winchester, Andrew
Man, Michael K. L.
Upmanyu, Moneesh
Dani, Keshav M.
Gupta, Gautam
Talapatra, Saikat
Mohite, Aditya D.
Kar, Swastik
TI Chemical Vapor Deposition Synthesized Atomically Thin Molybdenum
Disulfide with Optoelectronic-Grade Crystalline Quality
SO ACS NANO
LA English
DT Article
DE monolayer MoS2; Raman; photoluminescence; photocurrent spectroscopy;
exciton dissociation; chemical vapor deposition
ID MONOLAYER MOS2; LAYER MOS2; LARGE-AREA; VALLEY POLARIZATION;
GRAIN-BOUNDARIES; RAMAN-SCATTERING; HIGH-PERFORMANCE; FINE-STRUCTURE;
PHASE GROWTH; TRANSISTORS
AB The ability to synthesize high-quality samples over large areas and at low cost is one of the biggest challenges during the developmental stage of any novel material. While chemical vapor deposition (CVD) methods provide a promising low-cost route for CMOS compatible, large-scale growth of materials, it often falls short of the high-quality demands in nanoelectronics and optoelectronics. We present large-scale CVD synthesis of single- and few-layered MoS2 using direct vapor-phase sulfurization of MoS2, which enables us to obtain extremely high-quality single-crystal monolayer MoS2 samples with field-effect mobility exceeding 30 cm(2)/(V s) in monolayers. These samples can be readily synthesized on a variety of substrates, and demonstrate a high-degree of optoelectronic uniformity in Raman and photoluminescence mapping over entire crystals with areas exceeding hundreds of square micrometers. Because of their high crystalline quality, Raman spectroscopy on samples reveal a range of multiphonon processes through peaks with equal or better clarity compared to past reports on mechanically exfoliated samples. This enables us to investigate the layer thickness and substrate dependence of the extremely weak phonon processes at 285 and 487 cm(-1) in 2D-MoS2. The ultrahigh, optoelectronic-grade crystalline quality of these samples could be further established through photocurrent spectroscopy, which clearly reveal excitonic states at room temperature, a feat that has been previously demonstrated only on samples which were fabricated by micro-mechanical exfoliation and then artificially suspended across trenches. Our method reflects a big step in the development of atomically thin, 2D-MoS2 for scalable, high-quality optoelectronics.
C1 [Bilgin, Ismail; Liu, Fangze; Vargas, Anthony; Kar, Swastik] Northeastern Univ, Dept Phys, Boston, MA 02115 USA.
[Bilgin, Ismail; Gupta, Gautam; Mohite, Aditya D.] Los Alamos Natl Lab, Mat Synth & Integrated Devices, Los Alamos, NM 87545 USA.
[Winchester, Andrew; Talapatra, Saikat] So Illinois Univ, Dept Phys, Carbondale, IL 62901 USA.
[Winchester, Andrew; Man, Michael K. L.; Dani, Keshav M.; Talapatra, Saikat] Okinawa Inst Sci & Technol Grad Univ, Femtosecond Spect Unit, Onna, Okinawa 9040495, Japan.
[Upmanyu, Moneesh] Northeastern Univ, Dept Mech & Ind Engn, Boston, MA 02115 USA.
[Kar, Swastik] Northeastern Univ, George J Kostas Res Inst Homeland Secur, Burlington, MA 01803 USA.
RP Mohite, AD (reprint author), Los Alamos Natl Lab, Mat Synth & Integrated Devices, Los Alamos, NM 87545 USA.
EM amohite@lanl.gov; s.kar@neu.edu
RI Dani, Keshav/B-7490-2015; Man, Ka Lun, Michael /B-7639-2015
OI Dani, Keshav/0000-0003-3917-6305; Man, Ka Lun, Michael
/0000-0001-6043-3631
FU NSF [ECCS-1351424]; US Army [W911NF-10-2-0098, 15-215456-03-00]; LANL
LDRD program [XW8 V]; U.S. Army Research Office through a MURI
[W911NF-11-1-0362]; US National Science Foundation (NSF) [NSF-PIRE
OISE-0968405]; Japan Society for the Promotion of Science (JSPS)
[L13521]; National Science Foundation DMR CMMT Program [1106214]
FX The authors would like to gratefully acknowledge financial support
received from NSF through award ECCS-1351424 (SK, FL), and partial
support from the US Army grant, W911NF-10-2-0098, subaward
15-215456-03-00 (AV). This work was also partially supported (ADM, GG)
by the LANL LDRD program (XW8 V)). The work was conducted, in part, at
the Center for Integrated Nanotechnologies (CINT), a U.S. Department of
Energy, and Office of Basic Energy Sciences (OBES) user facility. ST
acknowledges funding support provided by the U.S. Army Research Office
through a MURI grant # W911NF-11-1-0362 and US National Science
Foundation (NSF) through grant # NSF-PIRE OISE-0968405. ST and KMD
acknowledges funding support provided by Japan Society for the Promotion
of Science (JSPS) through a fellowship (# L13521). MU would like to
acknowledge partial support from National Science Foundation DMR CMMT
Program (#1106214).
NR 58
TC 15
Z9 15
U1 17
U2 112
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
EI 1936-086X
J9 ACS NANO
JI ACS Nano
PD SEP
PY 2015
VL 9
IS 9
BP 8822
EP 8832
DI 10.1021/acsnano.5b02019
PG 11
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA CS2XR
UT WOS:000361935800020
PM 26256639
ER
PT J
AU Liu, J
Kilina, SV
Tretiak, S
Prezhdo, OV
AF Liu, Jin
Kilina, Svetlana V.
Tretiak, Sergei
Prezhdo, Oleg V.
TI Ligands Slow Down Pure-Dephasing in Semiconductor Quantum Dots
SO ACS NANO
LA English
DT Article
DE colloidal quantum dots; electron-phonon scattering; luminescence;
multiple exciton generation; pure dephasing
ID MULTIPLE EXCITON GENERATION; NONADIABATIC MOLECULAR-DYNAMICS; AB-INITIO;
ELECTRONIC EXCITATIONS; CDSE NANOCRYSTALS; SINGLET FISSION; TIME-DOMAIN;
SURFACE LIGANDS; CARRIER MULTIPLICATION; OPTICAL SPECTROSCOPY
AB It is well-known experimentally and theoretically that surface ligands provide additional pathways for energy relaxation in colloidal semiconductor quantum dots (QDs). They increase the rate of inelastic charge-phonon scattering and provide trap sites for the charges. We show that, surprisingly, ligands have the opposite effect on elastic electron-phonon scattering. Our simulations demonstrate that elastic scattering slows down in CdSe QDs passivated with ligands compared to that in bare QDs. As a result, the pure-dephasing time is increased, and the homogeneous luminescence line width is decreased in the presence of ligands. The lifetime of quantum superpositions of single and multiple excitons increases as well, providing favorable conditions for multiple excitons generation (MEG). Ligands reduce the pure-dephasing rates by decreasing phonon-induced fluctuations of the electronic energy levels. Surface atoms are most mobile in QDs, and therefore, they contribute greatly to the electronic energy fluctuations. The mobility is reduced by interaction with ligands. A simple analytical model suggests that the differences between the bare and passivated QDs persist for up to 5 nm diameters. Both low-frequency acoustic and high-frequency optical phonons participate in the dephasing processes in bare QDs, while low-frequency acoustic modes dominate in passivated QDs. The theoretical predictions regarding the pure-dephasing time, luminescence line width, and MEG can be verified experimentally by studying QDs with different surface passivation.
C1 [Liu, Jin] Univ Rochester, Dept Chem Engn, Rochester, NY 14627 USA.
[Kilina, Svetlana V.] N Dakota State Univ, Dept Chem, Fargo, ND 58108 USA.
[Tretiak, Sergei] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Prezhdo, Oleg V.] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA.
RP Prezhdo, OV (reprint author), Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA.
EM prezhdo@usc.edu
RI Tretiak, Sergei/B-5556-2009
OI Tretiak, Sergei/0000-0001-5547-3647
FU U.S. Department of Energy [DE-SC0014429]; U.S. Department of Energy
(DOE) Early Career Research Grant [DE-SC008446]; user facility of the
Center for Integrated Nanotechnologies (CINT) at Los Alamos National
Laboratory
FX J.L. and O.V.P. acknowledge financial support of the U.S. Department of
Energy Grant No. DE-SC0014429. S.V.K. acknowledges financial support of
the U.S. Department of Energy (DOE) Early Career Research Grant No.
DE-SC008446. The authors are grateful for support from the user facility
of the Center for Integrated Nanotechnologies (CINT) at Los Alamos
National Laboratory.
NR 75
TC 9
Z9 9
U1 6
U2 39
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
EI 1936-086X
J9 ACS NANO
JI ACS Nano
PD SEP
PY 2015
VL 9
IS 9
BP 9106
EP 9116
DI 10.1021/acsnano.5b03255
PG 11
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA CS2XR
UT WOS:000361935800049
PM 26284384
ER
PT J
AU Sun, BB
Pokhrel, S
Dunphy, DR
Zhang, HY
Ji, ZX
Wang, X
Wang, MY
Liao, YP
Chang, CH
Dong, JY
Li, RB
Madler, L
Brinker, CJ
Nel, AE
Xia, T
AF Sun, Bingbing
Pokhrel, Suman
Dunphy, Darren R.
Zhang, Haiyuan
Ji, Zhaoxia
Wang, Xiang
Wang, Meiying
Liao, Yu-Pei
Chang, Chong Hyun
Dong, Juyao
Li, Ruibin
Maedler, Lutz
Brinker, C. Jeffrey
Nel, Andre E.
Xia, Tian
TI Reduction of Acute Inflammatory Effects of Fumed Silica Nanoparticles in
the Lung by Adjusting Silanol Display through Calcination and Metal
Doping
SO ACS NANO
LA English
DT Article
DE fumed silica; silanol groups; doping; NLRP3 inflammasome; IL-1 beta;
lung inflammation
ID PREDICTIVE TOXICOLOGICAL APPROACH; MULTIWALL CARBON NANOTUBES; OXIDATIVE
STRESS; BAND-GAP; HUMAN ERYTHROCYTES; HEMOLYTIC-ACTIVITY; TOXICITY;
ACTIVATION; CELLS; OXIDE
AB The production of pyrogenic (fumed) silica is increasing worldwide at a 7% annual growth rate, including expanded use in food, pharmaceuticals, and other industrial products. Synthetic amorphous silica, including fumed silica, has been generally recognized as safe for use in food products by the Food and Drug Administration. However, emerging evidence from experimental studies now suggests that fumed silica could be hazardous due to its siloxane ring structure, high silanol density, and "string-of-pearl-like" aggregate structure, which could combine to cause membrane disruption, generation of reactive oxygen species, pro-inflammatory effects, and liver fibrosis. Based on this structure activity analysis (SAA), we investigated whether calcination and rehydration of fumed silica changes its hazard potential in the lung due to an effect on silanol density display. This analysis demonstrated that the accompanying change in surface reactivity could indeed impact cytokine production in macrophages and acute inflammation in the lung, in a manner that is dependent on siloxane ring reconstruction. Confirmation of this SAA in vivo, prompted us to consider safer design of fumed silica properties by titanium and aluminum doping (0-7%), using flame spray pyrolysis. Detailed characterization revealed that increased Ti and Al doping could reduce surface silanol density and expression of three-membered siloxane rings, leading to dose-dependent reduction in hydroxyl radical generation, membrane perturbation, potassium efflux, NLRP3 inflammasome activation, and cytotoxicity in THP-1 cells. The reduction of NLRP3 inflammasome activation was also confirmed in bone-marrow-derived macrophages. Ti doping, and to a lesser extent Al doping, also ameliorated acute pulmonary inflammation, demonstrating the possibility of a safer design approach for fumed silica, should that be required for specific use circumstances.
C1 [Sun, Bingbing; Wang, Meiying; Liao, Yu-Pei; Li, Ruibin; Nel, Andre E.; Xia, Tian] Univ Calif Los Angeles, Dept Med, Div NanoMed, Los Angeles, CA 90095 USA.
[Ji, Zhaoxia; Wang, Xiang; Chang, Chong Hyun; Nel, Andre E.; Xia, Tian] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA.
[Dong, Juyao] Univ Calif Los Angeles, Dept Chem, Los Angeles, CA 90095 USA.
[Pokhrel, Suman; Maedler, Lutz] Univ Bremen, Dept Prod Engn, Fdn Inst Mat Sci IWT, D-28359 Bremen, Germany.
[Dunphy, Darren R.; Brinker, C. Jeffrey] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
[Brinker, C. Jeffrey] Univ New Mexico, Dept Mol Genet & Microbiol, Albuquerque, NM 87131 USA.
[Zhang, Haiyuan] Chinese Acad Sci, Changchun Inst Appl Chem, Biol Chem Lab, Changchun 130022, Jilin, Peoples R China.
[Brinker, C. Jeffrey] Sandia Natl Labs, Self Assembled Mat Dept, Albuquerque, NM 87185 USA.
RP Nel, AE (reprint author), Univ Calif Los Angeles, Dept Med, Div NanoMed, Los Angeles, CA 90095 USA.
EM anel@mednet.ucia.edu; txia@ucla.edu
RI Li, Ruibin/L-8285-2015; Madler, Lutz/F-2982-2013; Wang,
Xiang/J-2054-2014; Pokhrel, Suman/I-5861-2013; Li, Ruibin/H-6154-2016;
Sun, Bingbing/I-8197-2012; xia, tian/C-3158-2013;
OI Madler, Lutz/0000-0002-7073-0733; Wang, Xiang/0000-0002-6647-0684; Sun,
Bingbing/0000-0002-5444-5078; xia, tian/0000-0003-0123-1305; Zhang,
Haiyuan/0000-0003-4076-1771; Pokhrel, Suman/0000-0001-5712-2824
FU U.S. Public Health Service Grant [R01 ES016746]; National Science
Foundation; Environmental Protection Agency [DBI 0830117, 1266377]; NIH
[1S10RR23057]; CNSI at UCLA
FX This work was primarily supported by the U.S. Public Health Service
Grant, R01 ES016746, with leveraged support from the National Science
Foundation and the Environmental Protection Agency under Cooperative
Agreement Number DBI 0830117 and 1266377. The authors thank Drs. Joel
Pounds and Richard Zangar from Pacific Northwest National Laboratory for
quantification of the cytokine production induced by
calcinated/rehydrated fumed silica by an ELISA microarray assay. The
authors thank the CNSI Advanced Light Microscopy/Spectroscopy Shared
Facility at UCLA for confocal fluorescent microscopy, the use of TEM
instruments at the Electron Imaging Center for NanoMachines supported by
NIH (1S10RR23057 to Z.H.Z.), and CNSI at UCLA.
NR 61
TC 13
Z9 14
U1 17
U2 55
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
EI 1936-086X
J9 ACS NANO
JI ACS Nano
PD SEP
PY 2015
VL 9
IS 9
BP 9357
EP 9372
DI 10.1021/acsnano.5b03443
PG 16
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA CS2XR
UT WOS:000361935800076
PM 26200133
ER
PT J
AU Phuoc, TX
Wang, P
McIntyre, D
AF Phuoc, Tran X.
Wang, Ping
McIntyre, Dustin
TI Discovering the feasibility of using the radiation forces for recovering
rare earth elements from coal power plant by-products
SO ADVANCED POWDER TECHNOLOGY
LA English
DT Article
DE Photon pressure force; Photophoretic force; Rare earth element; Coal
ashes
ID SANTA-CATARINA; ULTRAFINE PARTICLES; HAZARDOUS ELEMENTS; IRRADIATED
SPHERES; AEROSOL-PARTICLES; REFRACTIVE-INDEX; FLY-ASH; NANOMINERALS;
SEPARATION; PRESSURE
AB The feasibility of using laser separation for rare earth recovery from coal ashes was explored. To do so, laser-induced motion and travel distances of some rare earth and rare earth oxides (Lu2O3, Yb2O3, HfO2, Dy2O3, Ta2O5, Tm, Lu, Ho, TeO2, La2O3, Ho, TiO2, Fe2O3 Y2O3, GeO2, Sc2O3) and mineral compounds (MgO,CaO, Al2O3, SiO2, KCl) that are commonly found is coal ashes were numerically investigated. The investigations were carried out for particles in quiescent air, (T = 300 K, mu = 18.46 x 10 N-6 s/m(2), rho = 1.177 kg/m(3)) exposing to a CW laser beam of 6 mm in diameter and it was focused by a 500 mm focal length lens. The results showed that the separation distances between these elements varied from few micrometers to several millimeters and it became widened as the laser power increased. The important result presented here is that all rare earth oxides were separated and concentrated in a small area located near the beam waist while all other mineral compounds traveled further and concentrated in a small area far from the beam waist. Published by Elsevier B.V. on behalf of The Society of Powder Technology Japan. All right reserved.
C1 [Phuoc, Tran X.; Wang, Ping; McIntyre, Dustin] Dept Energy, Natl Energy Technol Lab, Pittsburgh, PA 15261 USA.
RP Phuoc, TX (reprint author), Dept Energy, Natl Energy Technol Lab, POB 10940,MS 84-340, Pittsburgh, PA 15261 USA.
EM tran@netl.doe.gov
OI McIntyre, Dustin/0000-0003-4907-9576
NR 48
TC 0
Z9 0
U1 4
U2 16
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0921-8831
EI 1568-5527
J9 ADV POWDER TECHNOL
JI Adv. Powder Technol.
PD SEP
PY 2015
VL 26
IS 5
BP 1465
EP 1472
DI 10.1016/j.apt.2015.08.004
PG 8
WC Engineering, Chemical
SC Engineering
GA CS2RR
UT WOS:000361919300026
ER
PT J
AU Wu, CB
Wang, BY
Lin, WC
Gai, Z
Lin, MT
AF Wu, Chii-Bin
Wang, Bo-Yao
Lin, Wen-Chin
Gai, Zheng
Lin, Minn-Tsong
TI Nanopatterning of magnetic domains: Fe coverage of self-assembled
alumina nanostructure
SO APPLIED PHYSICS EXPRESS
LA English
DT Article
ID NIAL(001); GROWTH; MEDIA; FILMS
AB Nanosized ultrathin magnetic films were prepared by controlling the deposition of Fe onto an oxidized NiAl(001) surface with an alumina nanostructure on it. Because the ultrathin ferromagnetic Fe films on the bare NiAl(001) surface are separated by paramagnetic Fe nanoparticles on the alumina stripes, as determined by scanning electron microscopy with spin analysis, they form rectangular domains with sizes ranging from tens of nanometer to larger than a micrometer. Magnetic domain patterning can thus be achieved by controlling the Fe coverage and nanostructured template. (C) 2015 The Japan Society of Applied Physics
C1 [Wu, Chii-Bin] Chung Yuan Christian Univ, Dept Phys, Chungli 32023, Taiwan.
[Wang, Bo-Yao] Natl Changhua Univ Educ, Dept Phys, Changhua 500, Taiwan.
[Lin, Wen-Chin] Natl Taiwan Normal Univ, Dept Phys, Taipei 11677, Taiwan.
[Gai, Zheng] Oak Ridge Natl Lab, Div Mat Sci, Ctr Nanophase, Oak Ridge, TN 37831 USA.
[Lin, Minn-Tsong] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.
[Lin, Minn-Tsong] Acad Sinica, Inst Atom & Mol Sci, Taipei 10617, Taiwan.
RP Wu, CB (reprint author), Chung Yuan Christian Univ, Dept Phys, Chungli 32023, Taiwan.
EM chiibinwu@cycu.edu.tw; mtlin@phys.ntu.edu.tw
RI Gai, Zheng/B-5327-2012
OI Gai, Zheng/0000-0002-6099-4559
FU National Science Council of Taiwan [NSC 96-2120-M-002-011, NSC
95-2112-M-002-051-MY3, NSC 96-2112-M-003-015-MY3, NSC
102-2112-M-033-004-MY3]
FX This work was supported by the National Science Council of Taiwan under
Grant Nos. NSC 96-2120-M-002-011, NSC 95-2112-M-002-051-MY3, NSC
96-2112-M-003-015-MY3, and NSC 102-2112-M-033-004-MY3. A portion of this
research was conducted at the Center for Nanophase Materials Sciences,
which is a DOE Office of Science User Facility.
NR 24
TC 0
Z9 0
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1882-0778
EI 1882-0786
J9 APPL PHYS EXPRESS
JI Appl. Phys. Express
PD SEP
PY 2015
VL 8
IS 9
AR 093002
DI 10.7567/APEX.8.093002
PG 4
WC Physics, Applied
SC Physics
GA CS6JM
UT WOS:000362184700017
ER
PT J
AU Yoo, J
Prikhodko, V
Parks, JE
Perfetto, A
Geckler, S
Partridge, WP
AF Yoo, Jihyung
Prikhodko, Vitaly
Parks, James E.
Perfetto, Anthony
Geckler, Sam
Partridge, William P.
TI Fast Spatially Resolved Exhaust Gas Recirculation (EGR) Distribution
Measurements in an Internal Combustion Engine Using Absorption
Spectroscopy
SO APPLIED SPECTROSCOPY
LA English
DT Article
DE Exhaust gas recirculation; EGR; Carbon dioxide; CO2; Combustion;
Uniformity; Light-emitting diode; LED
ID DIODE-LASER ABSORPTION; DIESEL-ENGINE; TEMPERATURE
AB Exhaust gas recirculation (EGR) in internal combustion engines is an effective method of reducing NOx emissions while improving efficiency. However, insufficient mixing between fresh air and exhaust gas can lead to cycle-to-cycle and cylinder-to-cylinder non-uniform charge gas mixtures of a multi-cylinder engine, which can in turn reduce engine performance and efficiency. A sensor packaged into a compact probe was designed, built and applied to measure spatiotemporal EGR distributions in the intake manifold of an operating engine. The probe promotes the development of more efficient and higher-performance engines by resolving highspeed in situ CO2 concentration at various locations in the intake manifold. The study employed mid-infrared light sources tuned to an absorption band of CO2 near 4.3 mu m, an industry standard species for determining EGR fraction. The calibrated probe was used to map spatial EGR distributions in an intake manifold with high accuracy and monitor cycle-resolved cylinder-specific EGR fluctuations at a rate of up to 1 kHz.
C1 [Yoo, Jihyung; Prikhodko, Vitaly; Parks, James E.; Partridge, William P.] Oak Ridge Natl Lab, Natl Transportat Res Ctr, Fuels Engines & Emiss Res Ctr, Knoxville, TN 37932 USA.
[Perfetto, Anthony; Geckler, Sam] Cummins Inc, Cummins Tech Ctr, Columbus, IN 47201 USA.
RP Partridge, WP (reprint author), Oak Ridge Natl Lab, Natl Transportat Res Ctr, Fuels Engines & Emiss Res Ctr, 2360 Cherahala Blvd, Knoxville, TN 37932 USA.
EM partridgewp@ornl.gov
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy, Vehicle Technologies Office; Cummins Inc., Columbus, Indiana;
U.S. Department of Energy [DE-AC05-00OR22725]
FX This research was sponsored by the U.S. Department of Energy, Office of
Energy Efficiency and Renewable Energy, Vehicle Technologies Office,
with Gurpreet Singh, Ken Howden, and Leo Breton as the Program Managers,
via a Cooperative Research and Development Agreement (CRADA) with
Cummins Inc., Columbus, Indiana. The authors are also grateful to Eddie
Raby and Michael Saale of Vacuum Technology Incorporated, Oak Ridge,
Tennessee, for their efforts regarding timely manufacturing of the EGR
probe necessary for meeting the project timeline and goals. Notice: This
manuscript has been authored by UT-Battelle, LLC under Contract No.
DE-AC05-00OR22725 with the U.S. Department of Energy. The United States
Government retains and the publisher, by accepting the article for
publication, acknowledges that the United States Government retains a
non-exclusive, paid-up, irrevocable, world-wide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for United States Government purposes. The Department of Energy will
provide public access to these results of federally sponsored research
in accordance with the DOE Public Access Plan
(http://energy.gov/downloads/doe-public-access-plan).
NR 29
TC 3
Z9 3
U1 1
U2 5
PU SOC APPLIED SPECTROSCOPY
PI FREDERICK
PA 5320 SPECTRUM DRIVE SUITE C, FREDERICK, MD 21703 USA
SN 0003-7028
EI 1943-3530
J9 APPL SPECTROSC
JI Appl. Spectrosc.
PD SEP
PY 2015
VL 69
IS 9
BP 1047
EP 1058
DI 10.1366/14-07796
PG 12
WC Instruments & Instrumentation; Spectroscopy
SC Instruments & Instrumentation; Spectroscopy
GA CS2VE
UT WOS:000361929300007
PM 26253286
ER
PT J
AU Dong, RB
AF Dong, Ruobing
TI THE EFFECTS OF SELF-SHADOWING BY A PUFFED-UP INNER RIM IN SCATTERED
LIGHT IMAGES OF PROTOPLANETARY DISKS
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE circumstellar matter; planets and satellites: formation; protoplanetary
disks; radiative transfer; stars: pre-main sequence; stars: variables: T
Tauri, Herbig Ae/Be
ID HERBIG AE/BE STARS; 2-DIMENSIONAL RADIATIVE-TRANSFER; SPECTRAL
ENERGY-DISTRIBUTION; T TAURI STARS; TRANSITIONAL DISKS; PROTOSTELLAR
ENVELOPES; PRETRANSITIONAL DISKS; INFRARED VARIABILITY; CIRCUMSTELLAR
DISKS; ASYMMETRIC FEATURES
AB We explore whether protoplanetary disks with self-shadowing from puffed-up inner rims exhibit observable features in scattered light images. We use both self-consistent hydrostatic equilibrium calculations and parameterized models to produce the vertically puffed-up inner rims. We find that, in general, the transition between the shadowed and flared regions occurs in a smooth manner over a broad radius range, and no sudden jump exists at the outer edge of the shadow in either the disk temperature or density structures. As a result, a puffed-up rim cannot create sharp ring/arc/spiral-arm-like features in the outer disk as have been detected in recent direct near-infrared imaging of disks. On the other hand, if the puffed-up rim has a sharp edge in the vertical direction, the shadowing effect can produce a distinct three-stage broken power law in the radial intensity profile of the scattered light, with two steep surface brightness radial profiles in the inner and outer disk joined by a shallow transition region around the shadow edge. These types of scattered light profiles may have already been observed, such as in the recent Subaru direct imaging of the TW Hydrae system.
C1 [Dong, Ruobing] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Dong, Ruobing] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
RP Dong, RB (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM rdong2013@berkeley.edu
FU NASA through Hubble Fellowship - Space Telescope Science Institute
[HST-HF-51320.01-A]; NASA [NAS 5-26555]; Office of Science, Office of
Basic Energy Sciences, of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX I thank Misato Fukagawa, Jun Hashimoto, and Barbara Whitney for useful
discussions and help on the paper. and the referee Cornelis Dullemond
for a helpful referee report. This work is supported by NASA through
Hubble Fellowship grant HST-HF-51320.01-A awarded by the Space Telescope
Science Institute, which is operated by the Association of Universities
for Research in Astronomy, Inc., for NASA, under contract NAS 5-26555.
This research made use of the SAVIO cluster at UC Berkeley, and the
Lawrencium cluster at the Lawrence Berkeley National Laboratory
(Supported by the Director, Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231).
NR 68
TC 7
Z9 7
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
EI 1538-4357
J9 ASTROPHYS J
JI Astrophys. J.
PD SEP 1
PY 2015
VL 810
IS 1
AR 6
DI 10.1088/0004-637X/810/1/6
PG 9
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA CS1CT
UT WOS:000361800900006
ER
PT J
AU Kwan, J
Heitmann, K
Habib, S
Padmanabhan, N
Lawrence, E
Finkel, H
Frontiere, N
Pope, A
AF Kwan, Juliana
Heitmann, Katrin
Habib, Salman
Padmanabhan, Nikhil
Lawrence, Earl
Finkel, Hal
Frontiere, Nicholas
Pope, Adrian
TI COSMIC EMULATION: FAST PREDICTIONS FOR THE GALAXY POWER SPECTRUM
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE cosmology: theory; large-scale structure of universe
ID LUMINOUS RED GALAXIES; HALO OCCUPATION DISTRIBUTION; DIGITAL SKY SURVEY;
LARGE-SCALE STRUCTURE; BARYON ACOUSTIC-OSCILLATIONS; DARK-MATTER HALOES;
COSMOLOGICAL PARAMETERS; PRECISION EMULATION; MASS FUNCTION;
HIGH-REDSHIFT
AB The halo occupation distribution (HOD) approach has proven to be an effective method for modeling galaxy clustering and bias. In this approach, galaxies of a given type are probabilistically assigned to individual halos in N-body simulations. In this paper, we present a fast emulator for predicting the fully nonlinear galaxy-galaxy auto and galaxy-dark matter cross power spectrum and correlation function over a range of freely specifiable HOD modeling parameters. The emulator is constructed using results from 100 HOD models run on a large Lambda CDM N-body simulation, with Gaussian Process interpolation applied to a PCA-based representation of the galaxy power spectrum. The total error is currently similar to 1% in the auto correlations and similar to 2% in the cross correlations from z = 1 to z = 0, over the considered parameter range. We use the emulator to investigate the accuracy of various analytic prescriptions for the galaxy power spectrum, parametric dependencies in the HOD model, and the behavior of galaxy bias as a function of HOD parameters. Additionally, we obtain fully nonlinear predictions for tangential shear correlations induced by galaxy-galaxy lensing from our galaxy-dark matter cross power spectrum emulator. All emulation products are publicly available at http://www.hep.anl.gov/cosmology/CosmicEmu/emu.html.
C1 [Kwan, Juliana; Heitmann, Katrin; Habib, Salman; Frontiere, Nicholas; Pope, Adrian] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
[Kwan, Juliana] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA.
[Heitmann, Katrin; Habib, Salman] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA.
[Heitmann, Katrin; Habib, Salman] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Padmanabhan, Nikhil] Yale Univ, Dept Phys, New Haven, CT 06520 USA.
[Lawrence, Earl] Los Alamos Natl Lab, Stat Sci, Los Alamos, NM 87545 USA.
[Finkel, Hal; Pope, Adrian] Argonne Natl Lab, Argonne Leadership Comp Facil, Argonne, IL 60439 USA.
[Frontiere, Nicholas] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
RP Kwan, J (reprint author), Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
FU NASA; Scientific Discovery through Advanced Computing (SciDAC) program -
U.S. Department of Energy, Office of Science; DOE/SC
[DE-AC02-06CH11357]; Office of Science of the U.S. Department of Energy
[DE-AC02-05CH11231]; U.S. Department of Energy Office of Science
laboratory [DE-AC02-06CH11357]
FX J.K. thanks Dave Higdon and Amol Upadhye for useful discussions. Partial
support for J.K. and K.H. was provided by NASA. N.F. and S.H.
acknowledge partial support from the Scientific Discovery through
Advanced Computing (SciDAC) program funded by the U.S. Department of
Energy, Office of Science, jointly by Advanced Scientific Computing
Research and High Energy Physics.; This research used resources of the
Argonne Leadership Computing Facility (ALCF) under a Mira Early Science
Project program. The ALCF is supported by the DOE/SC under contract
DE-AC02-06CH11357. Some of the work was conducted at the National Energy
Research Scientific Computing Center, which is supported by the Office
of Science of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231.; The submitted manuscript has been created by
UChicago Argonne, LLC, Operator of Argonne National Laboratory
("Argonne"). Argonne, a U.S. Department of Energy Office of Science
laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S.
Government retains for itself, and others acting on its behalf, a
paid-up nonexclusive, irrevocable worldwide license in said article to
reproduce, prepare derivative works, distribute copies to the public,
and perform publicly and display publicly, by or on behalf of the
Government.
NR 77
TC 5
Z9 5
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
EI 1538-4357
J9 ASTROPHYS J
JI Astrophys. J.
PD SEP 1
PY 2015
VL 810
IS 1
AR 35
DI 10.1088/0004-637X/810/1/35
PG 14
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA CS1CT
UT WOS:000361800900035
ER
PT J
AU Riemer-Sorensen, S
Wik, D
Madejski, G
Molendi, S
Gastaldello, F
Harrison, FA
Craig, WW
Hailey, CJ
Boggs, SE
Christensen, FE
Stern, D
Zhang, WW
Hornstrup, A
AF Riemer-Sorensen, S.
Wik, D.
Madejski, G.
Molendi, S.
Gastaldello, F.
Harrison, F. A.
Craig, W. W.
Hailey, C. J.
Boggs, S. E.
Christensen, F. E.
Stern, D.
Zhang, W. W.
Hornstrup, A.
TI DARK MATTER LINE EMISSION CONSTRAINTS FROM NuSTAR OBSERVATIONS OF THE
BULLET CLUSTER
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE dark matter; line: identification; X-rays: galaxies: clusters
ID MASSIVE GALAXY CLUSTERS; XMM-NEWTON OBSERVATIONS; X-RAY-SPECTRA; STERILE
NEUTRINOS; URSA-MINOR; MILKY-WAY; LOW-COUNT; WILLMAN 1; SEARCH;
COSMOLOGY
AB Some dark matter candidates, e.g., sterile neutrinos, provide observable signatures in the form of mono-energetic line emission. We present the first search for dark matter line emission in the 3-80 keV range in a pointed observation of the Bullet Cluster with NuSTAR. We do not detect any significant line emission and instead we derive upper limits (95% CL) on the flux, and interpret these constraints in the context of sterile neutrinos and more generic dark matter candidates. NuSTAR does not have the sensitivity to constrain the recently claimed line detection at 3.5 keV, but improves on the constraints for energies of 10-25 keV.
C1 [Riemer-Sorensen, S.] Univ Oslo, Inst Theoret Astrophys, NO-0315 Oslo, Norway.
[Wik, D.; Zhang, W. W.] NASA Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA.
[Madejski, G.] SLAC Natl Accelerator Lab, Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA.
[Molendi, S.; Gastaldello, F.] IASF Milano, INAF, I-20133 Milan, Italy.
[Harrison, F. A.] CALTECH, Cahill Ctr Astron & Astrophys, Pasadena, CA 91125 USA.
[Craig, W. W.; Boggs, S. E.] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA.
[Craig, W. W.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Hailey, C. J.] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA.
[Christensen, F. E.; Hornstrup, A.] Tech Univ Denmark, Natl Space Inst, DTU Space, DK-2800 Lyngby, Denmark.
[Stern, D.] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA.
RP Riemer-Sorensen, S (reprint author), Univ Oslo, Inst Theoret Astrophys, PO 1029, NO-0315 Oslo, Norway.
EM signe.riemer-sorensen@astro.uio.no
RI Gastaldello, Fabio/N-4226-2015; Boggs, Steven/E-4170-2015;
OI Gastaldello, Fabio/0000-0002-9112-0184; Boggs,
Steven/0000-0001-9567-4224; Riemer-Sorensen, Signe/0000-0002-5308-7651;
Molendi, Silvano/0000-0002-2483-278X
FU NASA
FX This research made use of data from the NuSTAR mission, a project led by
the California Institute of Technology, managed by the Jet Propulsion
Laboratory, and funded by NASA, and it also made use of the NuSTAR Data
Analysis Software (NuSTARDAS) jointly developed by the ASI Science Data
Center (ASDC, Italy) and the California Institute of Technology (USA).
NR 54
TC 8
Z9 8
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
EI 1538-4357
J9 ASTROPHYS J
JI Astrophys. J.
PD SEP 1
PY 2015
VL 810
IS 1
DI 10.1088/0004-637X/810/1/48
PG 7
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA CS1CT
UT WOS:000361800900048
ER
PT J
AU Story, KT
Hanson, D
Ade, PAR
Aird, KA
Austermann, JE
Beall, JA
Bender, AN
Benson, BA
Bleem, LE
Carlstrom, JE
Chang, CL
Chiang, HC
Cho, HM
Citron, R
Crawford, TM
Crites, AT
de Haan, T
Dobbs, MA
Everett, W
Gallicchio, J
Gao, J
George, EM
Gilbert, A
Halverson, NW
Harrington, N
Henning, JW
Hilton, GC
Holder, GP
Holzapfel, WL
Hoover, S
Hou, Z
Hrubes, JD
Huang, N
Hubmayr, J
Irwin, KD
Keisler, R
Knox, L
Lee, AT
Leitch, EM
Li, D
Liang, C
Luong-Van, D
McMahon, JJ
Mehl, J
Meyer, SS
Mocanu, L
Montroy, TE
Natoli, T
Nibarger, JP
Novosad, V
Padin, S
Pryke, C
Reichardt, CL
Ruhl, JE
Saliwanchik, BR
Sayre, JT
Schaffer, KK
Smecher, G
Stark, AA
Tucker, C
Vanderlinde, K
Vieira, JD
Wang, G
Whitehorn, N
Yefremenk, V
Zahn, O
AF Story, K. T.
Hanson, D.
Ade, P. A. R.
Aird, K. A.
Austermann, J. E.
Beall, J. A.
Bender, A. N.
Benson, B. A.
Bleem, L. E.
Carlstrom, J. E.
Chang, C. L.
Chiang, H. C.
Cho, H-M
Citron, R.
Crawford, T. M.
Crites, A. T.
de Haan, T.
Dobbs, M. A.
Everett, W.
Gallicchio, J.
Gao, J.
George, E. M.
Gilbert, A.
Halverson, N. W.
Harrington, N.
Henning, J. W.
Hilton, G. C.
Holder, G. P.
Holzapfel, W. L.
Hoover, S.
Hou, Z.
Hrubes, J. D.
Huang, N.
Hubmayr, J.
Irwin, K. D.
Keisler, R.
Knox, L.
Lee, A. T.
Leitch, E. M.
Li, D.
Liang, C.
Luong-Van, D.
McMahon, J. J.
Mehl, J.
Meyer, S. S.
Mocanu, L.
Montroy, T. E.
Natoli, T.
Nibarger, J. P.
Novosad, V.
Padin, S.
Pryke, C.
Reichardt, C. L.
Ruhl, J. E.
Saliwanchik, B. R.
Sayre, J. T.
Schaffer, K. K.
Smecher, G.
Stark, A. A.
Tucker, C.
Vanderlinde, K.
Vieira, J. D.
Wang, G.
Whitehorn, N.
Yefremenk, V.
Zahn, O.
TI A MEASUREMENT OF THE COSMIC MICROWAVE BACKGROUND GRAVITATIONAL LENSING
POTENTIAL FROM 100 SQUARE DEGREES OF SPTPOL DATA
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE cosmic background radiation; cosmology: observations; large-scale
structure of universe
ID SOUTH-POLE TELESCOPE; POWER SPECTRUM; DAMPING TAIL; DARK-MATTER; SZ
SURVEY; CMB; POLARIZATION; FLUCTUATIONS; RADIATION
AB We present a measurement of the cosmic microwave background (CMB) gravitational lensing potential using data from the first two seasons of observations with SPTpol, the polarization-sensitive receiver currently installed on the South Pole Telescope. The observations used in this work cover 100 deg(2) of sky with arcminute resolution at 150 GHz. Using a quadratic estimator, we make maps of the CMB lensing potential from combinations of CMB temperature and polarization maps. We combine these lensing potential maps to form a minimum-variance (MV) map. The lensing potential is measured with a signal-to-noise ratio of greater than one for angular multipoles between 100 < L < 250. This is the highest signal-to-noise mass map made from the CMB to date and will be powerful in cross-correlation with other tracers of large-scale structure. We calculate the power spectrum of the lensing potential for each estimator, and we report the value of the MV power spectrum between 100 2 Sequestration R&D Program. The
funding is managed by National Energy Technology Laboratory.; Portions
of this work were performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344 and by Los Alamos National Laboratory under Contract
DE-AC52-06NA25396.
NR 160
TC 15
Z9 15
U1 5
U2 33
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1750-5836
EI 1878-0148
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD SEP
PY 2015
VL 40
SI SI
BP 292
EP 311
DI 10.1016/j.ijggc.2015.06.014
PG 20
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA CR8BW
UT WOS:000361577100012
ER
PT J
AU Macdonald, R
Sarkar, D
Amer, BR
Clubb, RT
AF Macdonald, Ramsay
Sarkar, Dibyendu
Amer, Brendan R.
Clubb, Robert T.
TI Solution structure of the PhoP DNA-binding domain from Mycobacterium
tuberculosis
SO JOURNAL OF BIOMOLECULAR NMR
LA English
DT Article
ID RESPONSE REGULATOR PHOP; NMR STRUCTURE DETERMINATION; CHEMICAL-SHIFTS;
VIRULENCE
C1 [Macdonald, Ramsay; Amer, Brendan R.; Clubb, Robert T.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA.
[Macdonald, Ramsay; Amer, Brendan R.] Univ Calif Los Angeles, UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA.
[Clubb, Robert T.] Univ Calif Los Angeles, Inst Mol Biol, Los Angeles, CA 90095 USA.
[Sarkar, Dibyendu] CSIR, Inst Microbial Technol, Chandigarh 160036, India.
RP Clubb, RT (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, 602 Boyer Hall, Los Angeles, CA 90095 USA.
EM rclubb@mbi.ucla.edu
FU National Institutes of Health [AI52217]; Cellular and Molecular Biology
Training Grant (Ruth L. Kirschstein National Research Service Award)
[GM007185]; Council of Scientific and Industrial Research (CSIR),
Government of India; University of California-Los Angeles, Molecular
Biology Institute; US. Department of Energy Office of Science, Office of
Biological and Environmental Research program [DE-FC02-02ER63421]
FX We would like to thank Albert H. Chan and Megan Sjodt for guidance
throughout the structure determination process. We would like to thank
Dr. Robert Peterson for assistance with NMR experiments. This work was
supported by the National Institutes of Health grant AI52217 to RTC. R.
M. was supported by a Cellular and Molecular Biology Training Grant
(Ruth L. Kirschstein National Research Service Award GM007185). D. S.
was supported by Raman Research Fellowship from the Council of
Scientific and Industrial Research (CSIR), Government of India. B. R. A.
was supported by a Whitcome Predoctoral Training Grant, University of
California-Los Angeles, Molecular Biology Institute. This material is
based upon work supported by the US. Department of Energy Office of
Science, Office of Biological and Environmental Research program under
Award Number DE-FC02-02ER63421.
NR 29
TC 1
Z9 1
U1 0
U2 5
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0925-2738
EI 1573-5001
J9 J BIOMOL NMR
JI J. Biomol. NMR
PD SEP
PY 2015
VL 63
IS 1
BP 111
EP 117
DI 10.1007/s10858-015-9965-0
PG 7
WC Biochemistry & Molecular Biology; Spectroscopy
SC Biochemistry & Molecular Biology; Spectroscopy
GA CR8OD
UT WOS:000361612700011
PM 26209027
ER
PT J
AU Ahn, S
Dong, C
Zhu, WD
Kim, BJ
Hwang, YH
Ren, F
Pearton, SJ
Yang, G
Kim, J
Patrick, E
Tracy, B
Smith, DJ
Kravchenko, II
AF Ahn, Shihyun
Dong, Chen
Zhu, Weidi
Kim, Byung-Jae
Hwang, Ya-Hsi
Ren, Fan
Pearton, Stephen J.
Yang, Gwangseok
Kim, Jihyun
Patrick, Erin
Tracy, Brian
Smith, David J.
Kravchenko, Ivan I.
TI Effect of proton irradiation energy on AlGaN/GaN metal-oxide
semiconductor high electron mobility transistors
SO JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
LA English
DT Article
ID FIELD-EFFECT TRANSISTORS; RF PERFORMANCE; HEMTS; DIODES; MGO; DC
AB The effects of proton irradiation energy on dc characteristics of AlGaN/GaN metal-oxide semiconductor high electron mobility transistors (MOSHEMTs) using Al2O3 as the gate dielectric were studied. Al2O3/AlGaN/GaN MOSHEMTs were irradiated with a fixed proton dose of 5 x 10(15) cm(-2) at different energies of 5, 10, or 15 MeV. More degradation of the device dc characteristics was observed for lower irradiation energy due to the larger amount of nonionizing energy loss in the active region of the MOSHEMTs under these conditions. The reductions in saturation current were 95.3%, 68.3%, and 59.8% and reductions in maximum transconductance were 88%, 54.4%, and 40.7% after 5, 10, and 15MeV proton irradiation, respectively. Both forward and reverse gate leakage current were reduced more than one order of magnitude after irradiation. The carrier removal rates for the irradiation energies employed in this study were in the range of 127-289 cm(-1). These are similar to the values reported for conventional metal-gate high-electron mobility transistors under the same conditions and show that the gate dielectric does not affect the response to proton irradiation for these energies. (C) 2015 American Vacuum Society.
C1 [Ahn, Shihyun; Dong, Chen; Zhu, Weidi; Kim, Byung-Jae; Hwang, Ya-Hsi; Ren, Fan] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
[Pearton, Stephen J.] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA.
[Yang, Gwangseok; Kim, Jihyun] Korea Univ, Dept Chem & Biol Engn, Seoul 136713, South Korea.
[Patrick, Erin] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA.
[Tracy, Brian; Smith, David J.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
[Kravchenko, Ivan I.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37830 USA.
RP Ahn, S (reprint author), Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
EM fren@che.ufl.edu
RI Kravchenko, Ivan/K-3022-2015; Patrick, Erin/F-2948-2017
OI Kravchenko, Ivan/0000-0003-4999-5822;
FU U.S. DOD HDTRA [1-11-1-0020]; NSF [ECCS-1445720]
FX The work performed at UF was supported by an U.S. DOD HDTRA Grant No.
1-11-1-0020 monitored by James Reed and a NSF Grant No. ECCS-1445720
monitored by Mahmoud Fallahi. A portion of this research was conducted
at the Center for Nanophase Materials Sciences, which is a DOE Office of
Science User Facility.
NR 21
TC 2
Z9 2
U1 2
U2 12
PU A V S AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 1071-1023
J9 J VAC SCI TECHNOL B
JI J. Vac. Sci. Technol. B
PD SEP
PY 2015
VL 33
IS 5
AR 051208
DI 10.1116/1.4928730
PG 6
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Physics, Applied
SC Engineering; Science & Technology - Other Topics; Physics
GA CS1NN
UT WOS:000361833200012
ER
PT J
AU Hershcovitch, A
Blaskiewicz, M
Brennan, JM
Fischer, W
Liaw, CJ
Meng, WZ
Todd, R
Custer, A
Dingus, A
Erickson, M
Jamshidi, N
Poole, HJ
AF Hershcovitch, Ady
Blaskiewicz, Michael
Brennan, Joesph Michael
Fischer, Wolfram
Liaw, Chong-Jer
Meng, Wuzhang
Todd, Robert
Custer, Art
Dingus, Aaron
Erickson, Mark
Jamshidi, Nader
Poole, Henry Joe
TI Novel techniques and devices for in-situ film coatings of long, small
diameter tubes or elliptical and other surface contours
SO JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
LA English
DT Article
ID THIN-FILMS; ION-SOURCE; DEPOSITION; VACUUM; NITRIDE
AB Devices and techniques that can, via physical vapor deposition, coat various surface contours or very long small aperture pipes, are described. Recently, a magnetron mole was developed in order to in-situ coat accelerator tube sections of the Brookhaven National Lab relativistic heavy ion collider that have 7.1 cm diameter with access points that are 500 m apart, for copper coat the accelerator vacuum tube in order to alleviate the problems of unacceptable ohmic heating and of electron clouds. A magnetron with a 50 cm long cathode was designed fabricated and successfully operated to copper coat a whole assembly containing a full-size, stainless steel, cold bore, of the accelerator magnet tubing connected to two types bellows, to which two additional pipes made of accelerator tubing were connected. The magnetron is mounted on a carriage with spring loaded wheels that successfully crossed bellows and adjusted for variations in vacuum tube diameter, while keeping the magnetron centered. Electrical power and cooling water were fed through a cable bundle. The umbilical cabling system, which is enclosed in a flexible braided metal sleeve, is driven by a motorized spool. To increase cathode lifetime, movable magnet package was developed, and thickest possible cathode was made, with a rather challenging target to substrate distance of less than 1.5 cm. Optimized process to ensure excellent adhesion was developed. Coating thickness of 10 mu m Cu passed all industrial tests and even exceeded maximum capability of a 12 kg pull test fixture. Room temperature radio frequency (RF) resistivity measurement indicated that 10 mu m Cu coated stainless steel accelerator tube has conductivity close to copper tubing. Work is in progress to repeat the RF resistivity measurement at cryogenic temperatures. Over 20 years ago, a device using multiaxis robotic manipulators controlling separate robotic assemblies resulted in nine-axes of motion combined with conformal shape of the cathodes that can adapt to various curved surface contours was developed and successfully used for depositing optical coating on aircraft canopies. The techniques can be utilized for in situ coating of elliptical and other surface contour RF cavities and long beam pipes with thick superconducting films. Plans are to incorporate ion assisted deposition in those techniques for attaining dense, adherent and defect free coatings. (C) 2015 American Vacuum Society.
C1 [Hershcovitch, Ady; Blaskiewicz, Michael; Brennan, Joesph Michael; Fischer, Wolfram; Liaw, Chong-Jer; Meng, Wuzhang; Todd, Robert] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Custer, Art; Dingus, Aaron; Erickson, Mark; Jamshidi, Nader; Poole, Henry Joe] PVI, Oxnard, CA 93031 USA.
RP Hershcovitch, A (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM hershcovitch@bnl.gov
FU U.S. Department of Energy [DE-AC02-98CH1-886]
FX Work supported under Contract No. DE-AC02-98CH1-886 with the U.S.
Department of Energy. One of us (A.H.) gratefully acknowledges Mauro
Taborelli for his advice and members of Mauro's group at CERN for
performing SEY measurements. Notice: This manuscript has been authored
by Brookhaven Science Associates, LLC, under Contract No.
DE-AC02-98CH1-886 with the U.S. Department of Energy.
NR 40
TC 0
Z9 0
U1 3
U2 11
PU A V S AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 1071-1023
J9 J VAC SCI TECHNOL B
JI J. Vac. Sci. Technol. B
PD SEP
PY 2015
VL 33
IS 5
AR 052601
DI 10.1116/1.4927373
PG 12
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Physics, Applied
SC Engineering; Science & Technology - Other Topics; Physics
GA CS1NN
UT WOS:000361833200050
ER
PT J
AU Fowler, APG
Zierenberg, RA
Schiffman, P
Marks, N
Frioleifsson, GO
AF Fowler, Andrew P. G.
Zierenberg, Robert A.
Schiffman, Peter
Marks, Naomi
Frioleifsson, Guomundur Omar
TI Evolution of fluid-rock interaction in the Reykjanes geothermal system,
Iceland: Evidence from Iceland Deep Drilling Project core RN-17B
SO JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH
LA English
DT Article
DE Iceland; Geothermal; Reykjanes; Hydrothermal alteration; Epidote; RN-17B
Drill Core
ID SEA-FLOOR METAMORPHISM; UPPER OCEANIC-CRUST; MID-ATLANTIC RIDGE;
HYDROTHERMAL FLUIDS; MIDOCEAN RIDGES; STABLE-ISOTOPE; MASS-TRANSFER;
HOLE 504B; EPIDOTE; CONSTRAINTS
AB We describe the lithology and present spatially resolved geochemical analyses of samples from the hydrothermally altered Iceland Deep Drilling Project (IDDP) drill core RN-17B. The 9.3 m long RN-17B core was collected from the seawater-dominated Reykjanes geothermal system, located on the Reykjanes Peninsula, Iceland. The nature of fluids and the location of the Reykjanes geothermal system make it a useful analog for seafloor hydrothermal processes, although there are important differences. The recovery of drill core from the Reykjanes geothermal system, as opposed to drill cuttings, has provided the opportunity to investigate evolving geothermal conditions by utilizing in-situ geochemical techniques in the context of observed paragenetic and spatial relationships of alteration minerals. The RN-17B core was returned from a vertical depth of similar to 2560 m and an in-situ temperature of similar to 345 degrees C. The primary lithologies are basaltic in composition and include hyaloclastite breccia, fine-grained volcanic sandstone, lithic breccia, and crystalline basalt. Primary igneous phases have been entirely pseudomorphed by calcic plagioclase + magnesium hornblende + chlorite + titanite + albitized plagioclase + vein epidote and sulfides. Despite the extensive hydrothermal metasomatism, original textures including hyaloclastite glass shards, lithic clasts, chilled margins, and shell-fragment molds are superbly preserved. Multi-collector LA-ICP-MS strontium isotope ratio (Sr-87/Sr-86) measurements of vein epidote from the core are consistent with seawater as the dominant recharge fluid. Epidote-hosted fluid inclusion homogenization temperature and freezing point depression measurements suggest that the RN-17B core records cooling through the two-phase boundary for seawater over time to current in-situ measured temperatures. Electron microprobe analyses of hydrothermal hornblende and hydrothermal plagioclase confirm that while alteration is of amphibolite-grade, it is in disequilibrium and the extent of alteration is dependent upon protolith type and water/rock ratio. Alteration in the RN-17B core bares many similarities to that of Type II basalts observed in Mid-Atlantic Ridge samples. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Fowler, Andrew P. G.; Zierenberg, Robert A.; Schiffman, Peter] Univ Calif Davis, Dept Earth & Planetary Sci, Davis, CA 95616 USA.
[Marks, Naomi] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Frioleifsson, Guomundur Omar] HS Orka, Hf Reykjanesbaer, Iceland.
RP Fowler, APG (reprint author), Univ Calif Davis, Dept Geol, Davis, CA 95616 USA.
EM apfowler@ucdavis.edu
RI Zierenberg, Robert/F-9329-2012;
OI Zierenberg, Robert/0000-0001-9384-7355; Fowler,
Andrew/0000-0001-8908-3495; Marks, Naomi/0000-0002-4737-9877
FU NSF's Continental Dynamics Program; National Science Foundation [EAR
0507518]
FX RN-17B was recovered at considerable expense, thanks in large part to
funding from NSF's Continental Dynamics Program. The research described
herein was supported by the National Science Foundation grant EAR
0507518. Samples for this study were provided by IDDP. I would like to
thank Qin-Zhu Yin and Josh Wimpeny for coordinating access to the
LA-MC-ICP-MS facility at UC Davis. I would also like to thank HS Orka
for their hospitality and for providing access to drill core samples at
the Reykjanes geothermal field.
NR 81
TC 5
Z9 5
U1 2
U2 20
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0377-0273
EI 1872-6097
J9 J VOLCANOL GEOTH RES
JI J. Volcanol. Geotherm. Res.
PD SEP 1
PY 2015
VL 302
BP 47
EP 63
DI 10.1016/j.jvolgeores.2015.06.009
PG 17
WC Geosciences, Multidisciplinary
SC Geology
GA CR8CP
UT WOS:000361579000005
ER
PT J
AU Caselli, N
Intonti, F
La China, F
Riboli, F
Gerardino, A
Bao, W
Bargioni, AW
Li, LH
Linfield, EH
Pagliano, F
Fiore, A
Gurioli, M
AF Caselli, Niccolo
Intonti, Francesca
La China, Federico
Riboli, Francesco
Gerardino, Annamaria
Bao, Wei
Bargioni, Alexander Weber
Li, Lianhe
Linfield, Edmund H.
Pagliano, Francesco
Fiore, Andrea
Gurioli, Massimo
TI Ultra-subwavelength phase-sensitive Fano-imaging of localized photonic
modes
SO LIGHT-SCIENCE & APPLICATIONS
LA English
DT Article
DE nanocavity; nanophotonics; near-field; phase retrieval;
resonant-scattering
ID SINGLE QUANTUM-DOT; CAVITY; NANOCAVITIES; RESONANCES; SCATTERING;
SYSTEMS; LIGHT
AB Photonic and plasmonic devices rely on nanoscale control of the local density of optical states (LDOS) in dielectric and metallic environments. The tremendous progress in designing and tailoring the electric LDOS of nano-resonators requires an investigation tool that is able to access the detailed features of the optical localized resonant modes with deep-subwavelength spatial resolution. This scenario has motivated the development of different nanoscale imaging techniques. Here, we prove that a technique involving the combination of scanning near-field optical microscopy with resonant scattering spectroscopy enables imaging the electric LDOS in nano-resonators with outstanding spatial resolution (lambda/19) by means of a pure optical method based on light scattering. Using this technique, we investigate the properties of photonic crystal nanocavities, demonstrating that the resonant modes appear as characteristic Fano line shapes, which arise from interference. Therefore, by monitoring the spatial variation of the Fano line shape, we locally measure the phase modulation of the resonant modes without the need of external heterodyne detection. This novel, deep-subwavelength imaging method allows us to access both the intensity and the phase modulation of localized electric fields. Finally, this technique could be implemented on any type of platform, being particularly appealing for those based on non-optically active material, such as silicon, glass, polymers, or metals.
C1 [Caselli, Niccolo; Intonti, Francesca; La China, Federico; Gurioli, Massimo] European Lab Nonlinear Spect, I-50019 Sesto Fiorentino, FI, Italy.
[Caselli, Niccolo; Intonti, Francesca; La China, Federico; Gurioli, Massimo] Univ Florence, Dept Phys, I-50019 Sesto Fiorentino, FI, Italy.
[Riboli, Francesco] Univ Trento, Dept Phys, I-38123 Povo, TN, Italy.
[Gerardino, Annamaria] CNR, Inst Photon & Nanotechnol, I-00156 Rome, Italy.
[Bao, Wei; Bargioni, Alexander Weber] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA.
[Li, Lianhe; Linfield, Edmund H.] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England.
[Pagliano, Francesco; Fiore, Andrea] Eindhoven Univ Technol, COBRA Res Inst, NL-5600 MB Eindhoven, Netherlands.
RP Caselli, N (reprint author), European Lab Nonlinear Spect, Via Nello Carrara 1, I-50019 Sesto Fiorentino, FI, Italy.
EM caselli@lens.unifi.it
RI Gerardino, Annamaria/C-8403-2012; Foundry, Molecular/G-9968-2014;
OI Gerardino, Annamaria/0000-0003-1869-1092; Intonti,
Francesca/0000-0002-8507-3342
FU FET project [FP7 618025 CARTOON]; Netherlands Organization for
Scientific Research (NWO)
FX This work was supported by the FET project FP7 618025 CARTOON and is
part of the research program of the Foundation for Fundamental Research
on Matter (FOM), which is financially supported by the Netherlands
Organization for Scientific Research (NWO).
NR 38
TC 8
Z9 8
U1 6
U2 37
PU CHINESE ACAD SCIENCES, CHANGCHUN INST OPTICS FINE MECHANICS AND PHYSICS
PI CHANGCHUN
PA 3888, DONGNANHU ROAD, CHANGCHUN, 130033, PEOPLES R CHINA
SN 2047-7538
J9 LIGHT-SCI APPL
JI Light-Sci. Appl.
PD SEP
PY 2015
VL 4
AR e326
DI 10.1038/lsa.2015.99
PG 8
WC Optics
SC Optics
GA CS1EQ
UT WOS:000361805800002
ER
PT J
AU Lin, PP
Mi, L
Moriok, AH
Yoshino, MM
Konishi, S
Xu, SC
Papanek, BA
Riley, LA
Guss, AM
Liao, JC
AF Lin, Paul P.
Mi, Luo
Moriok, Amy H.
Yoshino, Mould M.
Konishi, Sawako
Xu, Sharon C.
Papanek, Beth A.
Riley, Lauren A.
Guss, Adam M.
Liao, James C.
TI Consolidated bioprocessing of cellulose to isobutanol using Clostridium
thermocellum
SO METABOLIC ENGINEERING
LA English
DT Article
DE Biofuel; Consolidated bioprocessing; Clostridium thermocellum; Butanol
ID ESCHERICHIA-COLI; HIGHER ALCOHOLS; FERMENTATION; PLASMID; GROWTH;
CARBON; EXPRESSION; BIOFUELS; SYSTEM; GENOME
AB Consolidated bioprocessing (CBP) has the potential to reduce bioluel or biochemical production costs by processing cellulose hydrolysis and fermentation simultaneously without the addition of pre manufactured cellulases. In particular, Clostridium thertnocellum is a promising thermophilic CBP host because of its high cellulose decomposition rate. Here we report the engineering of C. thermocellum to produce isobutanol. Metabolic engineering for isobutanol production in C thermocellurn is hampered by enzyme toxicity during cloning, time consuming pathway engineering procedures, and slow turnaround in production tests. In this work, we first cloned essential isobutanol pathway genes under different promoters to create various plasmid constructs in Escherichiu coli. Then, these constructs were transformed and tested in C. thermocellurn. Among these engineered strains, the best isobutanol producer was selected and the production conditions were optimized. We confirmed the expression of the overexpressed genes by their mRNA quantities. We also determined that both the native ketoisovalerate oxidoreductase (KOR) and the heterologous ketoisovalerate decarboxylase (MVO) expressed were responsible for isobutanol production. We further found that the plasmid was integrated into the chromosome by single crossover. The resulting strain was stable without antibiotic selection pressure. This strain produced 5.4 g/L of isobutanol horn cellulose in minimal medium at 50 C within 75 h, Coffesponding to 41% of theoretical yield. (C) 2015 International Metabolic Engineering Society. Published by Elsevier Inc. All rights reserved.
C1 [Lin, Paul P.; Mi, Luo; Moriok, Amy H.; Yoshino, Mould M.; Konishi, Sawako; Xu, Sharon C.; Liao, James C.] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA.
[Liao, James C.] Univ Calif Los Angeles, DOE, Inst Genom & Prote, Los Angeles, CA 90024 USA.
[Papanek, Beth A.; Riley, Lauren A.; Guss, Adam M.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Papanek, Beth A.; Guss, Adam M.] Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA.
[Riley, Lauren A.; Guss, Adam M.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Liao, JC (reprint author), Univ Calif Los Angeles, Dept Chem & Biomol Engn, 5531 Boelter Hall,420 Westwood Plaza, Los Angeles, CA 90095 USA.
EM liaoj@seas.ucla.edu
RI Guss, Adam/A-6204-2011
OI Guss, Adam/0000-0001-5823-5329
FU DOE BioEnergy Science Center (BESC); National Science Foundation
[0963183]; American Recovery and Reinvestment Act of (ARRA)
FX This research was supported by the DOE BioEnergy Science Center (BESC).
This material is based upon research performed in a renovated
collaborator by the National Science Foundation under Grant no. 0963183,
which is an award funded under the American Recovery and Reinvestment
Act of 2009 (ARRA). We thank Katherine Chou and Pinching Maness for
providing the C. thermocellum DSM1313 Delta hpt strain. We thank Dan
Olson and Evert Holwerda for the scientific discussion. We thank
Jennifer L. Takasumi, Annabel Lee, Joseph G. Leong and Mickeala Tu for
their technical assistance.
NR 28
TC 17
Z9 17
U1 7
U2 38
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1096-7176
EI 1096-7184
J9 METAB ENG
JI Metab. Eng.
PD SEP
PY 2015
VL 31
BP 44
EP 52
DI 10.1016/j.ymben.2015.07.001
PG 9
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA CS0EQ
UT WOS:000361731100005
PM 26170002
ER
PT J
AU Sun, YG
AF Sun, Yugang
TI Interfaced heterogeneous nanodimers
SO NATIONAL SCIENCE REVIEW
LA English
DT Review
DE nanoparticles; nanodimers; hybrid nanostructure; heterogeneous
nucleation; growth
ID COLLOIDAL SEMICONDUCTOR NANORODS; OXIDE HETERODIMER NANOCRYSTALS; OXYGEN
REDUCTION REACTION; ONE-STEP SYNTHESIS; HYBRID NANOPARTICLES; SELECTIVE
GROWTH; SEEDED GROWTH; SILVER NANOPARTICLES; METAL TIPS; MINIEMULSION
POLYMERIZATION
AB Dimerization of different nanocomponents in single nanoparticles becomes interesting due to not only inheritance of properties of both components but also generation of new properties associated with strong coupling of the two components. As a class of emerging nanomaterials, interfaced heterogeneous nanodimers (IHNDs) are attracting more attentions in the field of materials research, in particular, nanoscience and nanotechnology. This review provides a timely and comprehensive overview on the general principles for the synthesis of IHNDs and typical examples of IHNDs made of various compositional combinations. The current challenges related to the synthesis and characterization of IHNDs are summarized at the end of the review and future research directions are also discussed.
C1 Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Sun, YG (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM ygsun@anl.gov
RI Sun, Yugang /A-3683-2010
OI Sun, Yugang /0000-0001-6351-6977
FU Center for Nanoscale Materials, a US Department of Energy Office of
Science User Facility [DE-AC02-06CH11357]
FX This work was performed at the Center for Nanoscale Materials, a US
Department of Energy Office of Science User Facility under Contract No.
DE-AC02-06CH11357.
NR 102
TC 10
Z9 10
U1 8
U2 42
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 2095-5138
EI 2053-714X
J9 NATL SCI REV
JI Natl. Sci. Rev.
PD SEP
PY 2015
VL 2
IS 3
BP 329
EP 348
DI 10.1093/nsr/nwv037
PG 20
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CS0QR
UT WOS:000361767800017
ER
PT J
AU Kucerka, N
Heberle, FA
Pan, JJ
Katsaras, J
AF Kucerka, Norbert
Heberle, Frederick A.
Pan, Jianjun
Katsaras, John
TI Structural Significance of Lipid Diversity as Studied by Small Angle
Neutron and X-ray Scattering
SO MEMBRANES
LA English
DT Review
DE lipidome; bilayer; structure; X-ray scattering; neutron scattering;
lipid area
ID BILAYER STRUCTURE DETERMINATION; MOLECULAR-DYNAMICS SIMULATIONS;
ATOMIC-FORCE MICROSCOPY; ACYL CHAIN-LENGTH; GEL PHASE; UNSATURATED
PHOSPHATIDYLCHOLINES; BIOMOLECULAR SIMULATIONS; MEMBRANE-PROTEINS;
LECITHIN BILAYERS; OUTER-MEMBRANE
AB We review recent developments in the rapidly growing field of membrane biophysics, with a focus on the structural properties of single lipid bilayers determined by different scattering techniques, namely neutron and X-ray scattering. The need for accurate lipid structural properties is emphasized by the sometimes conflicting results found in the literature, even in the case of the most studied lipid bilayers. Increasingly, accurate and detailed structural models require more experimental data, such as those from contrast varied neutron scattering and X-ray scattering experiments that are jointly refined with molecular dynamics simulations. This experimental and computational approach produces robust bilayer structural parameters that enable insights, for example, into the interplay between collective membrane properties and its components (e.g., hydrocarbon chain length and unsaturation, and lipid headgroup composition). From model studies such as these, one is better able to appreciate how a real biological membrane can be tuned by balancing the contributions from the lipid's different moieties (e.g., acyl chains, headgroups, backbones, etc.).
C1 [Kucerka, Norbert] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Moscow Region, Russia.
[Kucerka, Norbert] Comenius Univ, Fac Pharm, Dept Phys Chem Drugs, Bratislava 83232, Slovakia.
[Heberle, Frederick A.; Katsaras, John] Oak Ridge Natl Lab, Biol & Soft Matter Div, Oak Ridge, TN 37831 USA.
[Heberle, Frederick A.; Katsaras, John] Oak Ridge Natl Lab, Joint Inst Neutron Sci, Oak Ridge, TN 37831 USA.
[Pan, Jianjun] Univ S Florida, Dept Phys, Tampa, FL 33620 USA.
[Katsaras, John] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RP Kucerka, N (reprint author), Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Moscow Region, Russia.
EM kucerka@nf.jinr.ru; heberlefa@ornl.gov; panj@usf.edu; katsarasj@ornl.gov
OI Katsaras, John/0000-0002-8937-4177
NR 90
TC 5
Z9 5
U1 3
U2 22
PU MDPI AG
PI BASEL
PA POSTFACH, CH-4005 BASEL, SWITZERLAND
SN 2077-0375
J9 MEMBRANES
JI Membranes
PD SEP
PY 2015
VL 5
IS 3
BP 454
EP 472
DI 10.3390/membranes5030454
PG 19
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CS0OY
UT WOS:000361762600009
PM 26402708
ER
PT J
AU Kipp, D
Mok, J
Strzalka, J
Darling, SB
Ganesan, V
Verduzco, R
AF Kipp, Dylan
Mok, Jorge
Strzalka, Joseph
Darling, Seth B.
Ganesan, Venkat
Verduzco, Rafael
TI Rational Design of Thermally Stable, Bicontinuous Donor/Acceptor
Morphologies with Conjugated Block Copolymer Additives
SO ACS MACRO LETTERS
LA English
DT Article
ID HETEROJUNCTION SOLAR-CELLS; ORGANIC PHOTOVOLTAICS; POLYMERIC
MICROEMULSIONS; DIBLOCK COPOLYMER; PHASE-SEPARATION; COMPATIBILIZERS;
BLENDS; PERFORMANCE; EFFICIENCY
AB The bicontinuous microemulsion (B mu E) phase is an equilibrium morphology characterized by cocontinuous domains, high interfacial areas, and nanoscale domain dimensions. These characteristics make the B mu E potentially suitable for use in organic photovoltaic applications. Here, we use a combination of simulations and experiments to investigate the equilibrium morphologies formed by a ternary blend of conjugated polymer, all-conjugated diblock copolymer, and fullerene derivative PCBM. Using coarse-grained simulations, we identify the blend compositions that are most likely to result in donor/acceptor morphologies resembling the B mu E. Experimentally, we probe these compositions through transmission electron microscopy and grazing-incidence X-ray scattering measurements. We demonstrate that all-conjugated block copolymer additives can be used to produce thermally stable, cocontinuous donor/acceptor morphologies at higher additive contents and longer annealing times than previously reported. These results demonstrate that conjugated BCP compatibilizers can be used as a means to achieve equilibrium, cocontinuous morphologies in donor/acceptor blends.
C1 [Kipp, Dylan; Ganesan, Venkat] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA.
[Mok, Jorge; Verduzco, Rafael] Rice Univ, Dept Chem & Biomol Engn, Houston, TX 77005 USA.
[Verduzco, Rafael] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA.
[Strzalka, Joseph] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
[Darling, Seth B.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Darling, Seth B.] Univ Chicago, Inst Mol Engn, Chicago, IL 60637 USA.
RP Verduzco, R (reprint author), Rice Univ, Dept Chem & Biomol Engn, Houston, TX 77005 USA.
EM rafaelv@rice.edu
FU Robert A. Welch Foundation [F1599]; National Science Foundation
[CBET-1264583, NSF-1264703]; U.S. Army Research Office
[W911NF-13-1-0396]; U.S. Department of Energy, Office of Science, Office
of Basic Energy Sciences in the Institute for Molecular Engineering;
Center for Nanoscale Materials; Advanced Photon Source at Argonne
National Laboratory [DE-AC02-06CH11357]
FX We acknowledge Prof. Chris Ellison for useful discussions. This work was
supported in part by grants from the Robert A. Welch Foundation (Grant
F1599), the National Science Foundation (CBET-1264583 and NSF-1264703),
and the U.S. Army Research Office (W911NF-13-1-0396). The authors
acknowledge the Texas Advanced Computing Center (TACC) at The University
of Texas at Austin for providing computing resources that have
contributed to the research results reported within this paper. This
work was supported in part by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences in the Institute for Molecular
Engineering, the Center for Nanoscale Materials, and the Advanced Photon
Source at Argonne National Laboratory under Contract No.
DE-AC02-06CH11357.
NR 27
TC 14
Z9 14
U1 10
U2 53
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2161-1653
J9 ACS MACRO LETT
JI ACS Macro Lett.
PD SEP
PY 2015
VL 4
IS 9
BP 867
EP 871
DI 10.1021/acsmacrolett.5b00413
PG 5
WC Polymer Science
SC Polymer Science
GA CR5ZX
UT WOS:000361424000002
ER
PT J
AU Hentschel, M
Ferry, VE
Alivisatos, AP
AF Hentschel, Mario
Ferry, Vivian E.
Alivisatos, A. Paul
TI Optical Rotation Reversal in the Optical Response of Chiral Plasmonic
Nanosystems: The Role of Plasmon Hybridization
SO ACS PHOTONICS
LA English
DT Article
DE surface plasmons; circular dichrosim; chirality; plasmon hybridization
ID CIRCULAR-DICHROISM; NANOPARTICLE ASSEMBLIES; PHOTONIC METAMATERIAL;
SILVER NANOPARTICLES; NANOSTRUCTURES; GOLD; SPECTRA; FIELDS; ARRAYS;
MODEL
AB Chirality is an important molecular property for structural analysis. Similarly, it has been shown that plasmonic chiral systems exhibit strong circular dichroism (CD) responses that can be used to determine the relative positions of their constituent plasmonic elements. Here we show that the sign of the circular dichroism spectrum in a plasmonic system can be controllably changed through small geometric perturbations that change the energetic ordering of the hybridized modes. This mechanism is distinct from geometrical changes that explicitly change the handedness of the system. In a simple system composed of two stacked L-shaped resonators we observe a reversal of the optical rotation spectral signature for small relative shifts, and we show through electromagnetic modeling and experiments on lithographically patterned samples that this is due to a rearrangement of the relative energies between modes. The plasmonic system allows for geometric perturbation along controlled directions and therefore offers more control than corresponding molecular examples. Interestingly, this strong sensitivity in the optical response encodes more spatial information into the optical spectrum, emphasizing the importance of chiral plasmonic assemblies for structural investigations on the nanoscale.
C1 [Hentschel, Mario; Alivisatos, A. Paul] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Ferry, Vivian E.] Univ Minnesota Twin Cities, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA.
[Alivisatos, A. Paul] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Alivisatos, A. Paul] Univ Calif Berkeley, Dept Mat Sci, Berkeley, CA 94720 USA.
[Alivisatos, A. Paul] Univ Calif Berkeley, Kavli Energy NanoSci Inst, Berkeley, CA 94720 USA.
RP Alivisatos, AP (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM alivis@berkeley.edu
RI Hentschel, Mario/N-2093-2015; Alivisatos , Paul /N-8863-2015
OI Alivisatos , Paul /0000-0001-6895-9048
FU Alexander von Humboldt Foundation through a Feodor Lynen Research
Fellowship; National Science Foundation [DMR-1344290]
FX M.H. gratefully acknowledges financial support by the Alexander von
Humboldt Foundation through a Feodor Lynen Research Fellowship. This
material is based upon work supported by the National Science Foundation
under Grant DMR-1344290. The authors acknowledge the Marvell
Nanofabrication Laboratory for the use of their facilities and the group
of Xiang Zhang for the use of their FTIR spectrometer.
NR 45
TC 5
Z9 5
U1 20
U2 74
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2330-4022
J9 ACS PHOTONICS
JI ACS Photonics
PD SEP
PY 2015
VL 2
IS 9
BP 1253
EP 1259
DI 10.1021/acsphotonics.5b00354
PG 7
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Optics; Physics, Applied; Physics, Condensed Matter
SC Science & Technology - Other Topics; Materials Science; Optics; Physics
GA CR7CH
UT WOS:000361505000005
ER
PT J
AU Lei, DY
Appavoo, K
Ligmajer, F
Sonnefraud, Y
Haglund, RF
Maier, SA
AF Lei, Dang Yuan
Appavoo, Kannatassen
Ligmajer, Filip
Sonnefraud, Yannick
Haglund, Richard F., Jr.
Maier, Stefan A.
TI Optically-Triggered Nanoscale Memory Effect in a Hybrid Plasmonic-Phase
Changing Nanostructure
SO ACS PHOTONICS
LA English
DT Article
DE surface plasmons; metal nanoparticles; vanadium dioxides; plasmonic
memory effect; phase transformation
ID VANADIUM DIOXIDE; RESONANCE SPECTROSCOPY; INSULATOR-TRANSITION; VO2;
METAMATERIALS; INTERFEROMETERS; SEMICONDUCTOR; NANOPARTICLES;
ENHANCEMENT; MODULATION
AB Nanoscale devices, such as all-optical modulators and electro-optical transducers, can be implemented in heterostructures that integrate plasmonic nanostructures with functional active materials. Here we demonstrate all-optical control of a nanoscale memory effect in such a heterostructure by coupling the localized surface plasmon resonance (LSPR) of gold nanodisk arrays to a phase-changing material (PCM), vanadium dioxide (VO2). By latching the VO2 in a distinct correlated metallic state during the insulator-to-metal transition (IMT), while concurrently exciting the hybrid nanostructure with one or more ultraviolet optical pulses, the entire phase space of this correlated state can be accessed optically to modulate the plasmon response. We find that the LSPR modulation depends strongly but linearly on the initial latched state, suggesting that the memory effect encoded in the plasmon resonance wavelength is linked to the strongly correlated electron states of the VO2. The continuous, linear variation of the electronic and optical properties of these model heterostructures opens the way to multiple design strategies for hybrid devices with novel optoelectronic functionalities, which can be controlled by an applied electric or optical field, strain, injected charge, or temperature.
C1 [Lei, Dang Yuan; Ligmajer, Filip] Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China.
[Appavoo, Kannatassen; Haglund, Richard F., Jr.] Vanderbilt Univ, Interdisciplinary Mat Sci Program, Nashville, TN 37235 USA.
[Appavoo, Kannatassen] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Ligmajer, Filip] Brno Univ Technol, Cent European Inst Technol, Brno 61669, Czech Republic.
[Sonnefraud, Yannick] CNRS, Inst Neel, UPR2940, F-38042 Grenoble 9, France.
[Haglund, Richard F., Jr.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Maier, Stefan A.] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England.
RP Lei, DY (reprint author), Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China.
EM dylei@polyu.edu.hk
RI Lei, Dangyuan/B-9812-2011; Ligmajer, Filip/J-3881-2014
OI Lei, Dangyuan/0000-0002-8963-0193; Ligmajer, Filip/0000-0003-0346-4110
FU Hong Kong Polytechnic University (1-ZVCG); United Kingdom Engineering
and Physical Sciences Research Council; Leverhulme Trust Foundation;
National Science Foundation [ECE-0801980, ARI-R2 DMR-0963361]; European
Regional Development Fund (CEITEC) [CZ.1.05/1.1.00/02.0068]
FX D.Y.L. acknowledges support from the Hong Kong Polytechnic University
(1-ZVCG). Y.S. and S.A.M. acknowledge support from the United Kingdom
Engineering and Physical Sciences Research Council and the Leverhulme
Trust Foundation. K.A. and R.F.H. acknowledge support from the National
Science Foundation (ECE-0801980); sample nanofabrication and
characterization at Vanderbilt University used facilities renovated and
upgraded with support from the National Science Foundation (ARI-R2
DMR-0963361). F.L. acknowledges support from the European Regional
Development Fund (CEITEC, CZ.1.05/1.1.00/02.0068).
NR 56
TC 14
Z9 15
U1 18
U2 81
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2330-4022
J9 ACS PHOTONICS
JI ACS Photonics
PD SEP
PY 2015
VL 2
IS 9
BP 1306
EP 1313
DI 10.1021/acsphotonics.5b00249
PG 8
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Optics; Physics, Applied; Physics, Condensed Matter
SC Science & Technology - Other Topics; Materials Science; Optics; Physics
GA CR7CH
UT WOS:000361505000013
ER
PT J
AU Akbarzadeh, A
Crosse, JA
Danesh, M
Qiu, CW
Danner, AJ
Soukoulis, CM
AF Akbarzadeh, Alireza
Crosse, J. A.
Danesh, Mohammad
Qiu, Cheng-Wei
Danner, Aaron J.
Soukoulis, Costas M.
TI Interplay of Optical Force and Ray-Optic Behavior between Luneburg
Lenses
SO ACS PHOTONICS
LA English
DT Article
DE optical force; geometrical optics; optical manipulation; graded-index
media; metamaterials
ID RADIATION PRESSURE; MOMENTUM; LIGHT; PARTICLES; BEAM; WAVE
AB The method of force tracing is employed to examine the optomechanical interaction between two and four Luneburg lenses. Using a simplified analytical model, as well as a realistic numerical model, the dynamics of elastic and fully inelastic collisions between the lenses under the illumination of collimated beams are studied. It is shown that elastic collisions cause a pair of Luneburg lenses to exhibit oscillatory and translational motion simultaneously. The combination of these two forms of motion can be used to optomechanically manipulate small particles. Additionally, it is addressed how fully inelastic collisions of four Luneburg lenses can help us achieve full transparency as well as isolating space to trap particles.
C1 [Akbarzadeh, Alireza; Soukoulis, Costas M.] Fdn Res & Technol Hellas, Inst Elect Struct & Laser, Iraklion 71110, Crete, Greece.
[Crosse, J. A.; Danesh, Mohammad; Qiu, Cheng-Wei; Danner, Aaron J.] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore.
[Danesh, Mohammad] Inst High Performance Comp, Elect & Photon Dept, Singapore 138632, Singapore.
[Soukoulis, Costas M.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Soukoulis, Costas M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Akbarzadeh, A (reprint author), Fdn Res & Technol Hellas, Inst Elect Struct & Laser, Iraklion 71110, Crete, Greece.
EM alireza.akbarzadeh@iesl.forth.gr
RI Soukoulis, Costas/A-5295-2008
FU European Research Council under the ERC [320081]; U.S. Department of
Energy (Basic Energy Science, Division of Materials Science and
Engineering) [DE-AC02-07CH11358]
FX A.A. and C.-W.Q gratefully appreciate the initial fruitful discussions
with Professor Juan Jose Saenz. Work at FORTH was supported by the
European Research Council under the ERC Advanced Grant No. 320081
(PHOTOMETA). Work at Ames Laboratory was partially supported by the U.S.
Department of Energy (Basic Energy Science, Division of Materials
Science and Engineering) under Contract No. DE-AC02-07CH11358.
NR 30
TC 2
Z9 2
U1 0
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2330-4022
J9 ACS PHOTONICS
JI ACS Photonics
PD SEP
PY 2015
VL 2
IS 9
BP 1384
EP 1390
DI 10.1021/acsphotonics.5b00352
PG 7
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Optics; Physics, Applied; Physics, Condensed Matter
SC Science & Technology - Other Topics; Materials Science; Optics; Physics
GA CR7CH
UT WOS:000361505000023
ER
PT J
AU Foo, GS
Van Pelt, AH
Krotschel, D
Sauk, BF
Rogers, AK
Jolly, CR
Yung, MM
Sievers, C
AF Foo, Guo Shiou
Van Pelt, Adam H.
Kroetschel, Daniel
Sauk, Benjamin F.
Rogers, Allyson K.
Jolly, Cayla R.
Yung, Matthew M.
Sievers, Carsten
TI Hydrolysis of Cellobiose over Selective and Stable Sulfonated Activated
Carbon Catalysts
SO ACS SUSTAINABLE CHEMISTRY & ENGINEERING
LA English
DT Article
DE Glucose; Solid acid; Defect sites; Degradation; Fixed bed reactor
ID X-RAY-DIFFRACTION; AMORPHOUS-CARBON; CELLULOSE HYDROLYSIS; BEARING SO3H;
FUNCTIONAL-GROUPS; ACID-HYDROLYSIS; DEFECT SITES; OH GROUPS; ADSORPTION;
SURFACE
AB Activated carbon is functionalized by different treatments with sulfuric acid and hot liquid water and used as catalyst for the hydrolysis of cellobiose in a continuously operated fixed bed reactor. Characterization results reveal that the chemically treated materials are more disordered with a lower degree of graphitization, while adsorption isotherms demonstrate that van der Waals forces dominate the interaction between carbohydrates and the surface of catalysts. All catalysts are stable during the hydrolysis of cellobiose under flow conditions. Carbon catalysts with a limited fraction of sulfonic acid groups exhibit moderate cellobiose conversion but a higher and sustained glucose selectivity. The high selectivity is attributed to a higher fraction of weak acid sites, where degradation of glucose only occurs to a limited extent due to less accessibility and competitive adsorption with cellobiose. Furthermore, the strong sulfonic acid groups are more accessible for degradation reactions to occur. In contrast, the catalyst with a higher fraction of sulfonic acid groups shows increased cellobiose conversion but decreased glucose selectivity because glucose monomers can be converted to degradation products at these sites.
C1 [Foo, Guo Shiou; Van Pelt, Adam H.; Kroetschel, Daniel; Sauk, Benjamin F.; Rogers, Allyson K.; Jolly, Cayla R.; Sievers, Carsten] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
[Rogers, Allyson K.; Yung, Matthew M.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Sievers, C (reprint author), Georgia Inst Technol, Sch Chem & Biomol Engn, 311 Ferst Dr NW, Atlanta, GA 30332 USA.
EM carsten.sievers@chbe.gatech.edu
OI Foo, Guo Shiou/0000-0003-0807-5878
FU Renmatix, Inc.; U.S. Department of Energy [DE-AC36-08-G028308]
FX The Renewable Bioproducts Institute is acknowledged for the use of its
facilities. We thank Johannes Leisen for experimental assistance with
13C DP MAS NMR. Funding from Renmatix, Inc. and the U.S.
Department of Energy (grant DE-AC36-08-G028308) is gratefully
acknowledged.
NR 61
TC 5
Z9 5
U1 3
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2168-0485
J9 ACS SUSTAIN CHEM ENG
JI ACS Sustain. Chem. Eng.
PD SEP
PY 2015
VL 3
IS 9
BP 1934
EP 1942
DI 10.1021/acssuschemeng.5b00530
PG 9
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY;
Engineering, Chemical
SC Chemistry; Science & Technology - Other Topics; Engineering
GA CR1MY
UT WOS:000361090200007
ER
PT J
AU Cole, JM
Cramer, AJ
Zeidler, A
AF Cole, Jacqueline M.
Cramer, Alisha J.
Zeidler, Anita
TI Topological Analysis of Void Spaces in Tungstate Frameworks: Assessing
Storage Properties for the Environmentally Important Guest Molecules and
Ions: CO2, UO2, PuO2, U, Pu, Sr2+, Cs+, CH4, and H-2
SO ACS SUSTAINABLE CHEMISTRY & ENGINEERING
LA English
DT Article
DE Host-guest; Tungstate; Framework structure; Energy fuel storage; CO2
emissions; Nuclear waste storage
ID METAL-ORGANIC FRAMEWORKS; NEUTRON POWDER DIFFRACTION; WASTE FORM
CERAMICS; COPPER-LANTHANOID-OXOTUNGSTATES; NEGATIVE THERMAL-EXPANSION;
LEACH RESISTANT CERAMICS; X-RAY-DIFFRACTION; CRYSTAL-STRUCTURE; DOUBLE
PEROVSKITES; CARBON-DIOXIDE
AB The identification of inorganic materials, which are able to encapsulate environmentally important small molecules or ions via host guest interactions, is crucial for the design and development of next-generation energy sources and for storing environmental waste. Especially sought after are molecular sponges with the ability to incorporate CO2, gas pollutants, or nuclear waste materials such as UO2 and PuO2 oxides or U, Pu, Sr2+, or Cs+ ions. Porous framework structures promise very attractive prospects for applications in environmental technologies, if they are able to incorporate CH4 for biogas energy applications or to store H-2, which is important for fuel cells, e.g., in the automotive industry. All of these applications should benefit from the host being resistant to extreme conditions such as heat, nuclear radiation, rapid gas expansion, or wear and tear from heavy gas cycling. As inorganic tungstates are well known for their thermal stability and their rigid open-framework networks, the potential of Na2O-Al2O3-WO3 and Na2O-WO3 phases for such applications was evaluated. To this end, all known experimentally determined crystal structures with the stoichiometric formula MaMb'WcOd (M = any element) are surveyed together with all corresponding theoretically calculated NaaAlbWcOd and NaxWyOz structures that are statistically likely to form. Network descriptors that categorize these host structures are used to reveal topological patterns in the hosts, including the nature of porous cages, which are able to accommodate a certain type of guest; this leads to the classification of preferential structure types for a given environmental storage application. Crystal structures of two new tungstates NaAlW2O8 (I) and NaAlW3O11 (2) and one updated structure determination of Na2W2O2 (3) are also presented from in-house X-ray diffraction studies, and their potential merits for environmental applications are assessed against those of this larger data-sourced survey. Overall, results show that tungstate structures with three-nodal topologies are most frequently able to accommodate CH4 or H-2, while CO2 appears to be captured by a wide range of nodal structure types. The computationally generated host structures appear systematically smaller than the experimentally determined structures. For the structures of 1 and 2, potential applications in nuclear waste storage seem feasible.
C1 [Cole, Jacqueline M.; Cramer, Alisha J.] Univ Cambridge, Cavendish Lab, Dept Phys, Cambridge CB3 0HE, England.
[Cole, Jacqueline M.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Cole, Jacqueline M.; Zeidler, Anita] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England.
RP Cole, JM (reprint author), Univ Cambridge, Cavendish Lab, Dept Phys, JJ Thomson Ave, Cambridge CB3 0HE, England.
EM jmc61@cam.ac.uk
RI Cole, Jacqueline/C-5991-2008
FU Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-06CH11357]
FX Velin Nikolov from the Bulgarian Academy of Sciences is gratefully
acknowledged for supplying the samples of tungstate materials (1) (3).
John J. Rickard from the Cavendish Laboratory, University of Cambridge,
is thanked for his technical assistance with the EDX experiment. J.M.C.
is indebted to the Fulbright Commission for a UK-US Fulbright Scholar
Award hosted by Argonne National Laboratory where work done was
supported by the Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
NR 190
TC 1
Z9 1
U1 4
U2 16
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2168-0485
J9 ACS SUSTAIN CHEM ENG
JI ACS Sustain. Chem. Eng.
PD SEP
PY 2015
VL 3
IS 9
BP 2112
EP 2129
DI 10.1021/acssuschemeng.5b00369
PG 18
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY;
Engineering, Chemical
SC Chemistry; Science & Technology - Other Topics; Engineering
GA CR1MY
UT WOS:000361090200027
ER
PT J
AU Sun, QN
Pu, YQ
Meng, XZ
Wells, T
Ragauskas, AJ
AF Sun, Qining
Pu, Yunqiao
Meng, Xianzhi
Wells, Tyrone
Ragauskas, Art J.
TI Structural Transformation of Isolated Poplar and Switchgrass Lignins
during Dilute Acid Treatment
SO ACS SUSTAINABLE CHEMISTRY & ENGINEERING
LA English
DT Article
DE Poplar; Switchgrass; Dilute acid pretreatment; Cellulolytic enzyme
lignin; Reaction mechanism
ID HYDROTHERMAL PRETREATMENT; BIOMASS RECALCITRANCE; ENZYMATIC-HYDROLYSIS;
WOOD; FEEDSTOCK; CELLULOSE; BIOFUELS; FATE; NMR
AB A key step in conversion of cellulosic biomass into sustainable fuels and chemicals is thermochemical pretreatment to reduce plant cell wall recalcitrance. Obtaining an improved understanding of the fundamental chemistry of lignin, the most recalcitrant component of biomass, during pretreatment is critical to the continued development of renewable biofuel production. To examine the intrinsic chemistry of lignin during dilute acid pretreatment (DAP), lignin was isolated from poplar and switchgrass using a cellulolytic enzyme system and then treated under DAP conditions. Our results highlight that lignin is subjected to depolymerization reactions within the first 2 min of dilute acid pretreatment and these changes are accompanied by increased generation of aliphatic and phenolic hydroxyl groups of lignin. This is followed by a competing set of depolymerization and repolymerization reactions that lead to a decrease in the content of guaiacyl lignin units and an increase in condensed lignin units as the reaction residence time is extended beyond 5 min. A detailed comparison of changes in functional groups and molecular weights of cellulolytic enzyme lignins demonstrated different structural parameters, related to the recalcitrant properties of lignin, are altered during DAP conditions.
C1 [Sun, Qining; Meng, Xianzhi; Wells, Tyrone] Georgia Inst Technol, Renewable Bioprod Inst, Sch Chem & Biochem, Atlanta, GA 30332 USA.
[Pu, Yunqiao; Ragauskas, Art J.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Ragauskas, Art J.] Univ Tennessee, Ctr Renewable Carbon, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA.
[Ragauskas, Art J.] Univ Tennessee, Ctr Renewable Carbon, Dept Forestry Wildlife & Fisheries, Knoxville, TN 37996 USA.
[Ragauskas, Art J.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Ragauskas, AJ (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM aragausk@utk.edu
RI Sun, Qining/B-7592-2016; Pu, Yunqiao/H-3206-2016
OI Sun, Qining/0000-0002-9678-7834; Pu, Yunqiao/0000-0003-2554-1447
FU BioEnergy Science Center (BESC); Paper Science & Engineering (PSE)
fellowship program at Renewable Bioproducts Institute (BRI) at Georgia
Institute of Technology; Office of Biological and Environmental Research
in the DOE Office of Science
FX This work was partially supported and performed as part of the BioEnergy
Science Center (BESC). Q S. is grateful for the financial support from
the Paper Science & Engineering (PSE) fellowship program at Renewable
Bioproducts Institute (BRI) at Georgia Institute of Technology. The
BioEnergy Science Center is a U.S. Department of Energy Bioenergy
Research Center supported by the Office of Biological and Environmental
Research in the DOE Office of Science.
NR 29
TC 4
Z9 4
U1 5
U2 22
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2168-0485
J9 ACS SUSTAIN CHEM ENG
JI ACS Sustain. Chem. Eng.
PD SEP
PY 2015
VL 3
IS 9
BP 2203
EP 2210
DI 10.1021/acssuschemeng.5b00426
PG 8
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY;
Engineering, Chemical
SC Chemistry; Science & Technology - Other Topics; Engineering
GA CR1MY
UT WOS:000361090200036
ER
PT J
AU Luchmann, KH
Clark, MS
Bainy, ACD
Gilbert, JA
Craft, JA
Chipman, JK
Thorne, MAS
Mattos, JJ
Siebert, MN
Schroeder, DC
AF Luechmann, Karim H.
Clark, Melody S.
Bainy, Afonso C. D.
Gilbert, Jack A.
Craft, John A.
Chipman, J. Kevin
Thorne, Michael A. S.
Mattos, Jaco J.
Siebert, Marilia N.
Schroeder, Declan C.
TI Key metabolic pathways involved in xenobiotic biotransformation and
stress responses revealed by transcriptomics of the mangrove oyster
Crassostrea brasiliana
SO AQUATIC TOXICOLOGY
LA English
DT Article
DE Xenobiotic metabolism; Antioxidant parameters; Pollutants;
Bioaccumulation; Bivalve; Polycyclic aromatic hydrocarbon
ID SCALLOP CHLAMYS-FARRERI; MUSSEL MYTILUS-EDULIS; HEAT-SHOCK PROTEINS;
SHORT-TERM EXPOSURE; OXIDATIVE STRESS; GLUTATHIONE TRANSFERASES;
MOLECULAR CHAPERONES; EASTERN OYSTER; PACIFIC OYSTER; CYP GENES
AB The Brazilian oyster Crassostrea brasiliana was challenged to three common environmental contaminants: phenanthrene, diesel fuel water-accommodated fraction (WAF) and domestic sewage. Total RNA was extracted from the gill and digestive gland, and cDNA libraries were sequenced using the 454 FLX platform. The assembled transcriptome resulted in (similar to)20,000 contigs, which were annotated to produce the first de novo transcriptome for C brasiliana. Sequences were screened to identify genes potentially involved in the biotransformation of xenobiotics and associated antioxidant defence mechanisms. These gene families included those of the cytochrome P450 (CYP450), 70kDa heat shock, antioxidants, such as glutathione S-transferase, superoxide dismutase, catalase and also multi-drug resistance proteins. Analysis showed that the massive expansion of the CYP450 and HSP70 family due to gene duplication identified in the Crassostrea gigas genome also occurred in C brasiliana, suggesting these processes form the base of the Crasostrea lineage. Preliminary expression analyses revealed several candidates biomarker genes that were up-regulated during each of the three treatments, suggesting the potential for environmental monitoring. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Luechmann, Karim H.] Santa Catarina State Univ, Fishery Engn Dept, Laguna, Brazil.
[Clark, Melody S.; Thorne, Michael A. S.] British Antarctic Survey, NERC, Cambridge CB3 0ET, England.
[Bainy, Afonso C. D.; Mattos, Jaco J.; Siebert, Marilia N.] Univ Fed Santa Catarina, Dept Biochem, Florianopolis, SC, Brazil.
[Gilbert, Jack A.] Argonne Natl Lab, Biosci Div BIO, Argonne, IL 60439 USA.
[Gilbert, Jack A.] Univ Chicago, Dept Ecol & Evolut, Chicago, IL 60637 USA.
[Gilbert, Jack A.] Marine Biol Lab, Woods Hole, MA 02543 USA.
[Gilbert, Jack A.] Zhejiang Univ, Coll Environm & Resource Sci, Hangzhou 310003, Zhejiang, Peoples R China.
[Craft, John A.] Glasgow Caledonian Univ, Biol & Biomed Sci, Glasgow G4 0BA, Lanark, Scotland.
[Chipman, J. Kevin] Univ Birmingham, Sch Biol Sci, Birmingham B15 2TT, W Midlands, England.
[Schroeder, Declan C.] Marine Biol Assoc United Kingdom MBA, Plymouth, Devon, England.
RP Luchmann, KH (reprint author), Santa Catarina State Univ, Fishery Engn Dept, Laguna, Brazil.
EM khluchmann@gmail.com; mscl@bas.ac.uk; afonso.bainy@ufsc.br;
gilbertjack@anl.gov; J.A.Craft@gcu.ac.uk; j.k.chipman@bham.ac.uk;
mior@bas.ac.uk; jaco.mattos@ufsc.br; marilia.siebert@ifsc.edu.br;
dsch@mba.ac.uk
OI Thorne, Michael/0000-0001-7759-612X
FU NERC, UK; CNPq [CT-Petro 550706/2005-4]; CAPES Ph.D. Fellowship, Brazil;
CNPq Ph.D. Sandwich Fellowship, Brazil; CNPq Productivity Fellowship,
Brazil; NERC; CNPq (CNPq INCT-TA)
FX This research was supported by grants from NERC, UK to JAG and CNPq to
ACDB (CT-Petro 550706/2005-4 and CNPq INCT-TA). KHL was a Guest Student
at the Marine Biological Association of the United Kingdom and Glasgow
Caledonian University and was supported by a CAPES Ph.D. Fellowship and
CNPq Ph.D. Sandwich Fellowship, Brazil. ACDB was recipient of the CNPq
Productivity Fellowship, Brazil. MSC and MAST were funded by NERC core
funding to the British Antarctic Survey. We would like to thank Dr.
Fabricio Flores-Nunes, Dr. Tarquin S. Dorrington and M.Sc. Christielly
Rodrigues and for the assistance during experiments and Mr Jamie Oliver
(British Antarctic Survey) for his help with Figure 2. We are grateful
to Dr. Claudio M.R. Melo and to M.Sc. Carlos H.A.M. Gomes for supplying
the oysters used in this study.
NR 92
TC 5
Z9 5
U1 4
U2 25
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0166-445X
EI 1879-1514
J9 AQUAT TOXICOL
JI Aquat. Toxicol.
PD SEP
PY 2015
VL 166
BP 10
EP 20
DI 10.1016/j.aquatox.2015.06.012
PG 11
WC Marine & Freshwater Biology; Toxicology
SC Marine & Freshwater Biology; Toxicology
GA CR3TS
UT WOS:000361256600002
PM 26186662
ER
PT J
AU Gardner, SN
Slezak, T
Hall, BG
AF Gardner, Shea N.
Slezak, Tom
Hall, Barry G.
TI kSNP3.0: SNP detection and phylogenetic analysis of genomes without
genome alignment or reference genome
SO BIOINFORMATICS
LA English
DT Article
ID STRAINS
AB We announce the release of kSNP3.0, a program for SNP identification and phylogenetic analysis without genome alignment or the requirement for reference genomes. kSNP3.0 is a significantly improved version of kSNP v2.
C1 [Gardner, Shea N.; Slezak, Tom] Lawrence Livermore Natl Lab, Computat Global Secur, Livermore, CA 94550 USA.
[Hall, Barry G.] Bellingham Res Inst, Bellingham, WA 98229 USA.
RP Hall, BG (reprint author), Bellingham Res Inst, Bellingham, WA 98229 USA.
EM barryghall@gmail.com
FU LLNL
FX kSNP3.0 was developed under internal funding at LLNL.
NR 8
TC 20
Z9 20
U1 0
U2 6
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 1367-4803
EI 1460-2059
J9 BIOINFORMATICS
JI Bioinformatics
PD SEP 1
PY 2015
VL 31
IS 17
BP 2877
EP 2878
DI 10.1093/bioinformatics/btv271
PG 2
WC Biochemical Research Methods; Biotechnology & Applied Microbiology;
Computer Science, Interdisciplinary Applications; Mathematical &
Computational Biology; Statistics & Probability
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Computer Science; Mathematical & Computational Biology; Mathematics
GA CR5PN
UT WOS:000361395700018
PM 25913206
ER
PT J
AU Kulasinski, K
Guyer, R
Derome, D
Carmeliet, J
AF Kulasinski, Karol
Guyer, Robert
Derome, Dominique
Carmeliet, Jan
TI Water Adsorption in Wood Microfibril-Hemicellulose System: Role of the
Crystalline-Amorphous Interface
SO BIOMACROMOLECULES
LA English
DT Article
ID NEUTRON FIBER DIFFRACTION; HYDROGEN-BONDING SYSTEM; ATOMIC-FORCE
MICROSCOPY; SYNCHROTRON X-RAY; CELL-WALL; ELASTIC-MODULUS;
MECHANICAL-PROPERTIES; YOUNGS MODULUS; MICROCRYSTALLINE CELLULOSE;
MOLECULAR-DYNAMICS
AB A two-phase model of a wood microfibril consisting of crystalline cellulose and amorphous hemicellulose is investigated with molecular dynamics in full range of sorption to understand the molecular origin of swelling and weakening of wood. Water is adsorbed in hemicellulose, and an excess of sorption is found at the interface, while no sorption occurs within cellulose. Water molecules adsorbed on the interface push away polymer chains, forcing the two phases to separate and causing breaking of h-bonds, particularly pronounced on the interface. Existence of two different regions in moisture response is demonstrated. At low moisture content, water is uniformly adsorbed within hemicellulose, breaking a small amount of hydrogen bonds. Microfibril does not swell, and the porosity does not change. As moisture content increases, water is adsorbed preferentially at the interface, which leads to additional swelling and porosity increase at the interface. Young's and shear moduli decrease importantly due to breaking of h-bonds and screening of the long-range interactions.
C1 [Kulasinski, Karol; Carmeliet, Jan] Swiss Fed Univ Technol Zurich, Chair Bldg Phys, CH-8093 Zurich, Switzerland.
[Kulasinski, Karol; Derome, Dominique; Carmeliet, Jan] Empa, Swiss Fed Labs Mat Sci & Technol, Lab Multiscale Studies Bldg Phys, CH-8600 Dubendorf, Switzerland.
[Guyer, Robert] Los Alamos Natl Lab, Solid Earth Geophys Grp, Los Alamos, NM 87545 USA.
[Guyer, Robert] Univ Nevada, Dept Phys, Reno, NV 89557 USA.
RP Carmeliet, J (reprint author), Swiss Fed Univ Technol Zurich, Chair Bldg Phys, Stefano Franscini Pl 5, CH-8093 Zurich, Switzerland.
EM jan.carmeliet@empa.ch
RI Kulasinski, Karol/R-6709-2016
OI Kulasinski, Karol/0000-0002-7704-7048
NR 67
TC 8
Z9 8
U1 4
U2 37
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1525-7797
EI 1526-4602
J9 BIOMACROMOLECULES
JI Biomacromolecules
PD SEP
PY 2015
VL 16
IS 9
BP 2972
EP 2978
DI 10.1021/acs.biomac.5b00878
PG 7
WC Biochemistry & Molecular Biology; Chemistry, Organic; Polymer Science
SC Biochemistry & Molecular Biology; Chemistry; Polymer Science
GA CR4WV
UT WOS:000361341700044
PM 26313656
ER
PT J
AU Rosu, C
Russo, PS
Daly, WH
Cueto, R
Pople, JA
Laine, RA
Negulescu, II
AF Rosu, Cornelia
Russo, Paul S.
Daly, William H.
Cueto, Rafael
Pople, John A.
Laine, Roger A.
Negulescu, Ioan I.
TI Sugar-Based Polyamides: Self-Organization in Strong Polar Organic
Solvents
SO BIOMACROMOLECULES
LA English
DT Article
ID METHYLMORPHOLINE-N-OXIDE; LIQUID-CRYSTAL; ISOTACTIC POLYPROPYLENE;
FRONTAL POLYMERIZATION; SPHERULITE MORPHOLOGY; HYDRATE SOLUTIONS;
EXCITABLE MEDIA; PHASE-BEHAVIOR; SPIRAL WAVES; CELLULOSE
AB Periodic patterns resembling spirals were observed to form spontaneously upon unassisted cooling of D-glucaric acid- and D-galactaric acid based polyamide solutions in N-methyl-N-morpholine oxide (NMMO) monohydrate. Similar observations were made in D-galactaric acid-based polyamide/ionic liquid (IL) solutions. The morphologies were investigated by optical, polarized light and confocal microscopy assays to reveal pattern details. Differential scanning calorimetry was used to monitor solution thermal behavior. Small-and wide-angle X-ray scattering data reflected the complex and heterogeneous nature of the self-organized patterns. Factors such as concentration and temperature were found to influence spiral dimensions and geometry. The distance between rings followed a first-order exponential decay as a function of polymer concentration. Fourier-Transform Infrared Microspectroscopy analysis of spirals pointed to H-bonding between the solvent and the pendant hydroxyl groups of the glucose units from the polymer backbone. Tests on self-organization into spirals of ketal-protected D-galactaric acid polyamides in NMMO monohydrate confirmed the importance of the monosaccharide's pendant free hydroxyl groups on the formation of these patterns. Rheology performed on D-galactaric-based polyamides at high concentration in NMMO monohydrate solution revealed the optimum conditions necessary to process these materials as fibers by spinning. The self-organization of these sugar-based polyamides mimics certain biological materials.
C1 [Rosu, Cornelia; Russo, Paul S.] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
[Russo, Paul S.] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA.
[Rosu, Cornelia; Russo, Paul S.] Georgia Inst Technol, Georgia Tech Polymer Network, Atlanta, GA 30332 USA.
[Rosu, Cornelia; Russo, Paul S.; Daly, William H.; Cueto, Rafael; Negulescu, Ioan I.] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA.
[Rosu, Cornelia; Russo, Paul S.; Daly, William H.; Cueto, Rafael; Negulescu, Ioan I.] Louisiana State Univ, Macromol Studies Grp, Baton Rouge, LA 70803 USA.
[Laine, Roger A.] Louisiana State Univ, Dept Biol Sci, Baton Rouge, LA 70803 USA.
[Negulescu, Ioan I.] Louisiana State Univ, Dept Text Apparel Design & Merchandising, Baton Rouge, LA 70803 USA.
[Negulescu, Ioan I.] Louisiana State Univ, Ctr Agr, Baton Rouge, LA 70803 USA.
[Pople, John A.] Stanford Linear Accelerator Ctr, Stanford Synchrotron Radiat Lab, Stanford, CA 94309 USA.
RP Rosu, C (reprint author), Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
EM cornelia.rosu@mse.gatech.edu; inegule@lsu.edu
RI Russo, Paul/G-6473-2012
FU USDA multistate Hatch Program [S-1041 LSU]; National Science Foundation
[1306262]
FX This work was supported partially by (U.N.) the USDA multistate Hatch
Program S-1041 LSU (Ag. Center; P.S.R.), National Science Foundation
Awards under Grant 1306262 (DMR) and through the generosity of the
Hightower Family (C.R.). The authors are grateful to Cindy Henk and Dr.
Mathew Brown (Socolofski Microscopy Center, Louisiana State University)
for technical support in microscopic measurements, Mihaela Cucu-Wheeler
(now working at Johnson & Johnson, Rochester, NY) for recording 2 and 5%
glu-6-NMMO monohydrate solution optical images seen in the main text.
The help of Andrew Weber (CAMD, Louisiana State University) with WAXS
measurements and Dr. Orhan Kizilkaya with IR investigations is also
acknowledged. C.R. is deeply thankful to Professors Seth Fraden (Martin
A. Fisher School of Physics, Brandeis University, Waltham, MA), John
Pojman and Evg-ueni Nesterov (Chemistry Department, Louisiana State
University, Baton Rouge, LA), Elsa Reichmanis (School of Chemical and
Biomolecular Engineering, School of Chemistry and Biochemistry, School
of Materials Science and Engineering, Georgia Institute of Technology,
Atlanta, Georgia), and Professor Dilip Kondepudi (Chemistry Department,
Wake-Forest University, Winston-Salem, NC), as well as to Professor
David Bucknall (School of Materials Science and Engineering, Georgia
Institute of Technology, Atlanta, GA) for helpful suggestions.
NR 76
TC 0
Z9 0
U1 7
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1525-7797
EI 1526-4602
J9 BIOMACROMOLECULES
JI Biomacromolecules
PD SEP
PY 2015
VL 16
IS 9
BP 3062
EP 3072
DI 10.1021/acs.biomac.5b00977
PG 11
WC Biochemistry & Molecular Biology; Chemistry, Organic; Polymer Science
SC Biochemistry & Molecular Biology; Chemistry; Polymer Science
GA CR4WV
UT WOS:000361341700053
PM 26270020
ER
PT J
AU Lee, SH
Hong, TZ
Piette, MA
Taylor-Lange, SC
AF Lee, Sang Hoon
Hong, Tianzhen
Piette, Mary Ann
Taylor-Lange, Sarah C.
TI Energy retrofit analysis toolkits for commercial buildings: A review
SO ENERGY
LA English
DT Review
DE Building energy retrofit; Web-based applications; Energy conservation
measures; Energy simulation; Energy efficiency; Retrofit analysis tools
ID PERFORMANCE; CONSUMPTION; PREDICTION; SIMULATION; MODELS
AB Retrofit analysis toolkits can be used to optimize energy or cost savings from retrofit strategies, accelerating the adoption of ECMs (energy conservation measures) in buildings. This paper provides an up-to-date review of the features and capabilities of 18 energy retrofit toolkits, including ECMs and the calculation engines. The fidelity of the calculation techniques, a driving component of retrofit toolkits, were evaluated. An evaluation of the issues that hinder effective retrofit analysis in terms of accessibility, usability, data requirement, and the application of efficiency measures, provides valuable insights into advancing the field forward. Following this review the general concepts were determined: (1) toolkits developed primarily in the private sector use empirically data-driven methods or benchmarking to provide ease of use, (2) almost all of the toolkits which used EnergyPlus or DOE-2 were freely accessible, but suffered from complexity, longer data input and simulation run time, (3) in general, there appeared to be a fine line between having too much detail resulting in a long analysis time or too little detail which sacrificed modeling fidelity. These insights provide an opportunity to enhance the design and development of existing and new retrofit toolkits in the future. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Lee, Sang Hoon; Hong, Tianzhen; Piette, Mary Ann; Taylor-Lange, Sarah C.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Bldg Technol & Urban Syst Div, Berkeley, CA 94720 USA.
RP Hong, TZ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Bldg Technol & Urban Syst Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM thong@lbl.gov
OI Hong, Tianzhen/0000-0003-1886-9137
FU California Energy Commission, under the Public Interest Energy Research
Program [PIR-12-031]; U.S. Department of Energy [DE-AC02-05CH11231]
FX This review is part of a project, funded by the California Energy
Commission, under the Public Interest Energy Research Program Award No.
PIR-12-031. This work was also supported by the Assistant Secretary for
Energy Efficiency and Renewable Energy, the U.S. Department of Energy
under Contract No. DE-AC02-05CH11231. The tools reviewed were
recommended by the stakeholders as part of this project and the intent
is not to advertise or criticize the toolkits, rather to provide
information. The toolkits may have been altered or updated following the
date of the manuscript submission. The authors would like to thank
Vojislav Novakovic and Jens Toennesen for their input.
NR 60
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U1 0
U2 15
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-5442
EI 1873-6785
J9 ENERGY
JI Energy
PD SEP
PY 2015
VL 89
BP 1087
EP 1100
DI 10.1016/j.energy.2015.06.112
PG 14
WC Thermodynamics; Energy & Fuels
SC Thermodynamics; Energy & Fuels
GA CR3SD
UT WOS:000361252500098
ER
PT J
AU Baylor, LR
Barbier, CC
Carmichael, JR
Combs, SK
Ericson, MN
Ezell, NDB
Fisher, PW
Lyttle, MS
Meitner, SJ
Rasmussen, DA
Smith, SF
Wilgen, JB
Maruyama, S
Kiss, G
AF Baylor, L. R.
Barbier, C. C.
Carmichael, J. R.
Combs, S. K.
Ericson, M. N.
Ezell, N. D. Bull
Fisher, P. W.
Lyttle, M. S.
Meitner, S. J.
Rasmussen, D. A.
Smith, S. F.
Wilgen, J. B.
Maruyama, S.
Kiss, G.
TI DISRUPTION MITIGATION SYSTEM DEVELOPMENTS AND DESIGN FOR ITER
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB A disruption mitigation system (DMS) is under design for ITER to inject sufficient material deeply into the plasma for rapid plasma thermal shutdown and collisional suppression of any resulting runaway electrons. Progress on the development and design of both a shattered pellet injector (SPI) that produces large solid cryogenic pellets to provide reliable deep penetration of material and a fast opening high flow rate gas valve for massive gas injection (MGI) is presented. Cryogenic pellets of deuterium and neon up to 25 mm in size have been formed and accelerated with a prototype injector and a full scale prototype MGI valve is now in testing. Implications of the design with respect to response time and reliability at the proposed injector locations on ITER are discussed.
C1 [Baylor, L. R.; Barbier, C. C.; Carmichael, J. R.; Combs, S. K.; Ericson, M. N.; Ezell, N. D. Bull; Fisher, P. W.; Lyttle, M. S.; Meitner, S. J.; Rasmussen, D. A.; Smith, S. F.; Wilgen, J. B.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Maruyama, S.; Kiss, G.] ITER Org, F-13115 St Paul Les Durance, France.
RP Baylor, LR (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM baylorlr@ornl.gov
RI Ezell, Nora/C-3942-2016; Ericson, Milton/H-9880-2016
OI Ezell, Nora/0000-0001-9334-5822; Ericson, Milton/0000-0002-6628-4865
FU Oak Ridge National Laboratory [DE-AC05-00OR22725]
FX This work was supported by the Oak Ridge National Laboratory managed by
UT-Battelle, LLC for the US Department of Energy under
DE-AC05-00OR22725. The views and opinions expressed herein do not
necessarily reflect those of the ITER Organization.
NR 10
TC 4
Z9 4
U1 0
U2 4
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 211
EP 215
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800003
ER
PT J
AU Kessel, CE
Blanchard, JP
Davis, A
El-Guebaly, L
Ghoniem, N
Humrickhouse, PW
Malang, S
Merrill, BJ
Morley, NB
Neilson, GH
Rensink, ME
Rognlien, TD
Rowcliffe, AF
Smolentsev, S
Snead, LL
Tillack, MS
Titus, P
Waganer, LM
Ying, A
Young, K
Zhai, Y
AF Kessel, C. E.
Blanchard, J. P.
Davis, A.
El-Guebaly, L.
Ghoniem, N.
Humrickhouse, P. W.
Malang, S.
Merrill, B. J.
Morley, N. B.
Neilson, G. H.
Rensink, M. E.
Rognlien, T. D.
Rowcliffe, A. F.
Smolentsev, S.
Snead, L. L.
Tillack, M. S.
Titus, P.
Waganer, L. M.
Ying, A.
Young, K.
Zhai, Y.
TI THE FUSION NUCLEAR SCIENCE FACILITY, THE CRITICAL STEP IN THE PATHWAY TO
FUSION ENERGY
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
ID RESEARCH-AND-DEVELOPMENT; TOKAMAK POWER-PLANT; GREENWALD DENSITY;
HIGH-PERFORMANCE; PROGRESS; DESIGN; INTEGRATION; DISCHARGES; SYSTEMS;
BLANKET
AB The proposed Fusion Nuclear Science Facility (FNSF) represents the first facility to enter the complex fusion nuclear regime, and its technical mission and attributes are being developed. The FNSF represents one part of the fusion energy development pathway to the first commercial power plant with other major components being the pre-FNSF research and development, research in parallel with the FNSF, pre-DEMO research and development, and the demonstration power plant (DEMO). The Fusion Energy Systems Studies group is developing the technical basis for the FNSF in order to provide a better understanding of the demands on the fusion plasma and fusion nuclear science programs.
C1 [Kessel, C. E.; Neilson, G. H.; Titus, P.; Zhai, Y.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Blanchard, J. P.; Davis, A.; El-Guebaly, L.] Univ Wisconsin, Madison, WI USA.
[Ghoniem, N.; Morley, N. B.; Smolentsev, S.; Ying, A.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Humrickhouse, P. W.; Merrill, B. J.] Idaho Natl Lab, Idaho Falls, ID USA.
[Rensink, M. E.; Rognlien, T. D.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Snead, L. L.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Tillack, M. S.] Univ Calif San Diego, La Jolla, CA 92093 USA.
RP Kessel, CE (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM ckessel@pppl.gov
FU US DOE [DE-AC02-76CH03073, DE-AC52-07NA27344, DE-FC02-04ER54698]
FX Work partially supported under US DOE contracts DE-AC02-76CH03073,
DE-AC52-07NA27344, and DE-FC02-04ER54698.
NR 40
TC 5
Z9 5
U1 3
U2 16
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 225
EP 236
PG 12
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800005
ER
PT J
AU Smolentsev, S
Abdou, M
Morley, NB
Malang, S
Kessel, C
AF Smolentsev, S.
Abdou, M.
Morley, N. B.
Malang, S.
Kessel, C.
TI R&D NEEDS AND APPROACH TO MEASURE PROGRESS FOR LIQUID METAL BLANKETS AND
SYSTEMS ON THE PATHWAY FROM PRESENT EXPERIMENTAL FACILITIES TO FNSF
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
ID FLOW CHANNEL INSERT; US DCLL BLANKET; TRITIUM TRANSPORT; NEUTRON SOURCE;
ITER-TBM; MHD; PBLI; CORROSION; DESIGN
AB The paper describes research needs in primary R&D areas for the family of dual-coolant lead-lithium (DCLL) blankets. Associated key scaling parameters are introduced and evaluated under conditions of FNSF, ITER and DEMO and also for the existing non-fusion MHD facilities, using the MaPLE loop at UCLA as an example. Comparisons among these parameters are recommended for measuring the R&D progress on the pathway from the present experimental facilities to FNSF. Possible experiments both in the existing facilities and FNSF are discussed along with the flow diagnostics.
C1 [Smolentsev, S.; Abdou, M.; Morley, N. B.] Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
[Kessel, C.] Princeton Plasma Phys Lab, Princeton, NJ USA.
RP Smolentsev, S (reprint author), Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
EM sergey@fusion.ucla.edu
FU US Department of Energy, Office of Fusion Energy Sciences
[DE-FG02-86ER52123]
FX This work was performed with support from the US Department of Energy,
Office of Fusion Energy Sciences, under Grant No. DE-FG02-86ER52123.
NR 29
TC 1
Z9 1
U1 1
U2 5
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 245
EP 250
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800007
ER
PT J
AU El-Guebaly, L
Malang, S
Rowcliffe, A
Waganer, L
AF El-Guebaly, L.
Malang, S.
Rowcliffe, A.
Waganer, L.
TI BLANKET/MATERIALS TESTING STRATEGY FOR FNSF AND ITS BREEDING POTENTIAL
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
ID BLANKET
AB In the US., the Fusion Nuclear Science Facility (FNSF) is viewed as an essential element of the fusion developmental roadmap. The tritium self-sufficiency, blanket testing, and materials testing are of particular interest since they define a critical element of the FNSF mission. There is a definitive need to breed the majority of if not all, the tritium required for operation. A staged blanket testing strategy has been developed to test and enhance the blanket performance during each phase of operation. A materials testing module is critically important to include in FNSF to test large specimens of future generations of materials (for blanket, divertor, magnets, etc.) in relevant fusion environment. In this strategy, the test modules play a pivotal role and serve as "forerunners" for more advanced versions of blanket and materials that will validate their characteristics and features to assure the successful operation of DEMO and advanced power plants.
C1 [El-Guebaly, L.] Univ Wisconsin, Madison, WI 53706 USA.
[Rowcliffe, A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP El-Guebaly, L (reprint author), Univ Wisconsin, 1500 Engn Dr, Madison, WI 53706 USA.
EM laila.elguebaly@wisc.edu
FU U.S. Department of Energy [DE-FG02-98ER 54462]
FX This work was performed under the auspices of the U.S. Department of
Energy; contract #DE-FG02-98ER 54462.
NR 14
TC 1
Z9 1
U1 1
U2 5
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 251
EP 258
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800008
ER
PT J
AU Titus, PH
Zhang, H
Lumsdaine, A
McGinnis, WD
Lore, J
Neilson, H
Brown, T
Boscary, J
Peacock, A
Fellinger, J
AF Titus, Peter H.
Zhang, H.
Lumsdaine, A.
McGinnis, W. D.
Lore, J.
Neilson, H.
Brown, T.
Boscary, J.
Peacock, A.
Fellinger, Joris
TI ANALYSIS OF THE WENDELSTEIN 7-X TEST DIVERTOR UNIT SCRAPER ELEMENT WITH
RADIATION SHIELDS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB Early implementation of divertor components for the Wendelstein 7-X stellarator will include an inertially cooled system of divertor elements called the Test Divertor Unit (TDU). One part of this system is a scraper element that is intended to explore methods of mitigating heat flux on the ends of the TDU elements. This system will be in place in 2017, after a run period that will involve no divertor, and will precede steady state operation with actively cooled divertors scheduled for 2019. The TDU scraper element is an experimental device with uncertain requirements and with loading conditions which will developed as a part of the experiment. The pattern of heat flux may vary from currently predicted distributions and intensities. The design of the scraper element must accommodate this uncertainty. Originally the mechanical design was to be based on extensive studies for the monoblock- based design of an actively cooled system. An obvious simplification is the elimination of the manifolding needed for the water cooling. The wall panels on which the panels are mounted are to be maintained at 200C or less. Thermal ratcheting of the tiles, supporting structures, and backing structures is managed with adequate cooldown times, thermal anchors, where allowed, and radiative shields. Water cooling of the shields was proposed and rejected. Better radiation modeling is showing less need for multiple shields, but during initial run periods, the scraper element will have to be restricted to an acceptable operating envelope. Thermal instrumentation is recommended.
C1 [Titus, Peter H.; Zhang, H.; Neilson, H.; Brown, T.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Lumsdaine, A.; McGinnis, W. D.; Lore, J.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Boscary, J.; Peacock, A.; Fellinger, Joris] Max Planck Inst Plasma Phys, D-85748 Garching, Germany.
RP Titus, PH (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM ptitus@pppl.gov
OI Lore, Jeremy/0000-0002-9192-465X
FU US DOE [DE-AC02-09CH11466]
FX This work is supported by US DOE Contract No. DE-AC02-09CH11466
NR 5
TC 1
Z9 1
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 272
EP 276
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800011
ER
PT J
AU Brown, T
Menard, J
El Gueblay, L
Davis, A
AF Brown, T.
Menard, J.
El Gueblay, L.
Davis, A.
TI PPPL ST-FNSF ENGINEERING DESIGN DETAILS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB One of the goals of the PPPL Spherical Tokamak (ST) Fusion Nuclear Science Facility (FNSF) study was to generate a self-consistent conceptual design of an ST-FNSF device with sufficient physics and engineering details to evaluate the advantages and disadvantages of different designs and to assess various ST-FNSF missions. This included striving to achieve tritium self-sufficiency; the ability to provide shielding protection of vital components and to develop maintenance strategies that could be used to maintain the in-vessel components (divertors, breeding blankets, shield modules and services) and characterize design upgrade potentials to expanded mission evolutions.
With the conceptual design of a 2.2 m ST pilot plant design already completed emphasis was placed on evaluating a range of ST machine sizes looking at a major radius of 1m and a mid-range device size between I m and 2.2 m.
This paper will present an engineering summary of the design details developed from this study, expanding on earlier progress reports presented at earlier conferences that focused on a mid-size 1.7 m device. Further development has been made by physics in defining a Super-X divertor arrangement that provides an expanded divertor surface area and places all PF coils outside the TF coil inner bore, in regions that improve the device maintenance characteristics. Physics, engineering design and neutronics analysis for both the 1.7 m and I m device have been enhanced. The engineering results of the PPPL ST-FNSF study will be presented along with comments on possible future directions.
C1 [Brown, T.; Menard, J.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[El Gueblay, L.; Davis, A.] Univ Wisconsin, Madison, WI USA.
RP Brown, T (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM tbrown@pppl.gov
OI Menard, Jonathan/0000-0003-1292-3286
NR 5
TC 1
Z9 1
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 277
EP 281
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800012
ER
PT J
AU Humrickhouse, PW
Merrill, BJ
AF Humrickhouse, Paul W.
Merrill, Brad J.
TI VACUUM PERMEATOR ANALYSIS FOR EXTRACTION OF TRITIUM FROM DCLL BLANKETS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
ID FLUID FRICTION; MASS-TRANSFER; LI17PB83; SOLUBILITY; DIFFUSION; PB-17LI;
ALLOY; FLOW
AB It is envisioned that tritium will be extracted from DCLL blankets using a vacuum permeator. We derive here an analytical solution for the extraction efficiency of a permeator tube, which is a function of only two dimensionless numbers: one that indicates whether radial transport is limited by the PbLi or by the solid membrane, and another that is the ratio of axial and radial transport times in the PbLi. The permeator efficiency is maximized by decreasing the velocity and tube diameter, and increasing the tube length. This is true regardless of the mass transport correlation used; we review several and find that they differ little, and the choice of correlation is not a source of significant uncertainty here. The PbLi solubility, on the other hand, is a large source of uncertainty, and we identify upper and lower bounds from the literature data. Under the most optimistic assumptions, we find that a ferritic steel permeator operating at 470 degrees C will need to be about twenty times larger in volume than previous conceptual designs using niobium and operating at higher temperatures.
C1 [Humrickhouse, Paul W.; Merrill, Brad J.] Idaho Natl Lab, Idaho Falls, ID 83402 USA.
RP Humrickhouse, PW (reprint author), Idaho Natl Lab, POB 1625,MS 3840, Idaho Falls, ID 83402 USA.
EM paul.humrickhouse@inl.gov
FU U.S. Department of Energy, Office of Science, Office of Fusion Energy
Sciences [DE-AC07-05ID14517]
FX This material is based upon work supported by the U.S. Department of
Energy, Office of Science, Office of Fusion Energy Sciences, under
contract number DE-AC07-05ID14517.
NR 31
TC 1
Z9 1
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 295
EP 302
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800015
ER
PT J
AU Combs, SK
Baylor, LR
Foust, CR
Frattolillo, A
Lyttle, MS
Meitner, SJ
Migliori, S
AF Combs, S. K.
Baylor, L. R.
Foust, C. R.
Frattolillo, A.
Lyttle, M. S.
Meitner, S. J.
Migliori, S.
TI EXPERIMENTAL STUDY OF THE PROPELLANT GAS LOAD REQUIRED FOR PELLET
INJECTION WITH ITER-RELEVANT OPERATING PARAMETERS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB An existing pipe gun test facility at ORNL was used for an experimental study of propellant gas loads required for ITER-relevant pellet injection, with the key objective of determining the minimal amount of gas required for optimal pellet speeds. Two pellet sizes were tested, with nominal 4.4 and 3.2 mm diameters comparable to pellets planned for fueling and ELM pacing in ITER, respectively. A novel scheme was used to freeze solid pellets from room temperature gas; this facilitated operations at higher temperatures (14.5 to 16.5 K, similar to those planned for extruder operations for ITER pellet injectors) and thus lower pellet breakaway pressures and gas loads. Most of the single-shot D-2 pellet tests were carried out with a relatively low H-2 propellant gas load of similar to 0.0133 bar-L. Some limited testing was also carried out with a mixed propellant gas that consisted mostly of D-2, which is more representative of the gas that will be used for ITER pellet injection. In testing it was found that this reference gas load resulted in pellet speeds in close proximity to a speed limit (similar to 300 m/s) previously determined in a series of tests with D-2 pellets shot through a mock-up of the curved guide tubes planned for the ITER installation (for pellet fueling from the magnetic high-field side). The equipment, operations, and test results are presented and discussed, with emphasis on the relevance for ITER operations.
C1 [Combs, S. K.; Baylor, L. R.; Foust, C. R.; Lyttle, M. S.; Meitner, S. J.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Frattolillo, A.; Migliori, S.] ENEA CR Frascati, Rome, Italy.
RP Combs, SK (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM combssk@ornl.gov
FU UT-Battelle, LLC under U.S. Department of Energy [DE-AC05-00OR22725]
FX This manuscript has been authored by UT-Battelle, LLC under Contract No.
DE-AC05-00OR22725 with the U.S. Department of Energy. The United States
Government retains and the publisher, by accepting the article for
publication, acknowledges that the United States Government retains a
non-exclusive, paid-up, irrevocable, world-wide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for United States Government purposes. The Department of Energy will
provide public access to these results of federally sponsored research
in accordance with the DOE Public Access Plan
(http://energy.gov/downloads/doe-public-access-plan).
NR 13
TC 1
Z9 1
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 319
EP 325
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800019
ER
PT J
AU Khodak, A
Titus, P
Zatz, I
Nagy, A
Winkelman, J
Nazikian, R
Scoville, T
AF Khodak, A.
Titus, P.
Zatz, I.
Nagy, A.
Winkelman, J.
Nazikian, R.
Scoville, T.
TI DIII-D NEUTRAL BEAM POLE SHIELDS DESIGN INCLUDING COPPER PLATE WITH
REMOVABLE MOLYBDENUM INSERT
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB The neutral beam copper pole shields currently in service at DIII-D have experienced localized melting and fatigue cracks in the grooves machined in the back of the copper plates. Higher power is now desired out of the neutral beams, requiring a pole shield upgrade to handle the elevated thermal load. The Princeton Plasma Physics Laboratory is responsible for the design and manufacturing of the pole shield upgrade.
Since the heat flux on the pole shield is highly localized, the new design includes a molybdenum insert, positioned in the area of the maximum thermal loading, mounted in the copperplate, which is cooled by a single cooling channel. A ten segment design was implemented, with loose tongue and groove connections, to allow in situ assembly and maintenance.
To validate the design, numerical simulations were performed using ANSYS workbench and consisted of two stages: 1. during the first stage unsteady fluid flow simulation was performed in conjunction with heat transfer analysis in the insert, copper plate, and water cooling system; 2. during the second stage, the temperature distribution was used to specify thermal strains, and perform transient structural analysis.
C1 [Khodak, A.; Titus, P.; Zatz, I.; Nagy, A.; Winkelman, J.; Nazikian, R.] Princeton Univ, PPPL, Princeton, NJ 08543 USA.
[Scoville, T.] Gen Atom, San Diego, CA 92121 USA.
RP Khodak, A (reprint author), Princeton Univ, PPPL, POB 451, Princeton, NJ 08543 USA.
EM akhodak@pppl.gov
FU US DOE [DE-AC02-09CH11466]
FX This work is supported by the US DOE Contract No. DE-AC02-09CH11466.
NR 4
TC 0
Z9 0
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 373
EP 377
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800029
ER
PT J
AU Coffey, E
Bigelow, T
Griffith, I
Hanson, G
Lumsdaine, A
Luttrell, C
Rasmussen, D
Schaich, C
Wolframe, B
AF Coffey, Ethan
Bigelow, Tim
Griffith, Ira
Hanson, Greg
Lumsdaine, Arnold
Luttrell, Claire
Rasmussen, David
Schaich, Chuck
Wolframe, Bill
TI ANALYSIS OF COOLING FOR THE ITER ECH WAVEGUIDE TRANSMISSION LINE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB Finite element analysis calculations are performed to determine the temperature profile in sections of the ITER Electron Cyclotron Heating (ECH) transmission line waveguide. Each aluminum, corrugated waveguide transmission line will transmit up to 1.5 MW of electromagnetic radiation over roughly 200 meters from a 170 GHz gyrotron to heat the plasma in the tokamak The "ridged tube" waveguide has integral water cooling traces which are lined with copper tubing. Each transmission line includes miter bends which may be actively cooled and waveguide couplings, where the waveguide cannot be actively cooled due to coupling hardware. The amount of cooling water available is limited, so determining the required amount of water in the cooling lines is essential. Finite element computational analyses are performed to determine the effect of the heat load and water cooling on the temperature profile of the waveguide in various steady-state cases.
C1 [Coffey, Ethan; Bigelow, Tim; Griffith, Ira; Hanson, Greg; Lumsdaine, Arnold; Luttrell, Claire; Rasmussen, David; Schaich, Chuck; Wolframe, Bill] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Coffey, E (reprint author), Oak Ridge Natl Lab, POB 2008, Oak Ridge, TN 37831 USA.
EM coffeyen@ornl.gov
FU UT-Battelle, LLC under U.S. Department of Energy [DE-AC05-00OR22725]
FX This manuscript has been authored by UT-Battelle, LLC, under Contract
No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United
States Government retains and the publisher, by accepting the article
for publication, acknowledges that the United States Government retains
a non-exclusive, paid-up, irrevocable, world-wide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for United States Government purposes. The Department of Energy will
provide public access to these results of federally sponsored research
in accordance with the DOE Public Access Plan
(http://energy.govidownloads/doe-publicaccess-plan).
NR 10
TC 0
Z9 0
U1 0
U2 3
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 383
EP 387
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800031
ER
PT J
AU Luttrell, C
Bigelow, T
Coffey, E
Griffith, I
Hanson, G
Lumsdaine, A
Melin, A
Schaich, C
AF Luttrell, Claire
Bigelow, Tim
Coffey, Ethan
Griffith, Ira
Hanson, Greg
Lumsdaine, Arnold
Melin, Alex
Schaich, Chuck
TI ANALYSIS OF ITER ECH TRANSMISSION LINE WAVEGUIDE COUPLINGS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB The ITER Electron Cyclotron Heating (ECH) system will produce a high-intensity beam of electromagnetic radiation for plasma heating. A total of 20 MW of power will be transferred from 170 GHz gyrotrons through multiple transmission lines. The transmission lines consist of evacuated, aluminum, circularly corrugated waveguides that will each transmit up to 1.5 MW for up to 3600 seconds. The waveguides, as well as mirror and polarizer components, will be actively water cooled in order to support the heat load from the long-pulse high-power radiation. Transmission lines will be as long as 200 meters, made up of individual lengths of 2 to 4 meter pieces that are joined by couplings. These couplings must retain high vacuum during operation, and maintain a very high degree of straightness between adjacent waveguide pieces. Analyses have been performed to examine various parameters of the design of these couplings, and confirm that stringent criteria are met during installation and operation. Further couplings are used to join the waveguide to other transmission line components, such as miter bends, expansion units, and switches. All of these are analyzed to confirm structural integrity during operation.
C1 [Luttrell, Claire; Bigelow, Tim; Coffey, Ethan; Griffith, Ira; Hanson, Greg; Lumsdaine, Arnold; Melin, Alex; Schaich, Chuck] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Luttrell, C (reprint author), Oak Ridge Natl Lab, POB 2008 MS6054, Oak Ridge, TN 37831 USA.
EM luttrellcr@ornl.gov
FU UT-Battelle, LLC under U.S. Department of Energy [DE-AC0500OR22725]
FX This manuscript has been authored by UT-Battelle, LLC, under Contract
No. DE-AC0500OR22725 with the U.S. Department of Energy. The United
States Government retains and the publisher, by accepting the article
for publication, acknowledges that the United States Government retains
a non-exclusive, paid-up, irrevocable, world-wide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for the United States Government purposes. The Department of Energy
will provide public access to these results of federally sponsored
research in accordance with the DOE Public Access Plan
(http://energy.gov/downloads/doe-public-access-plan).
NR 6
TC 0
Z9 0
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 402
EP 406
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800035
ER
PT J
AU Smith, M
Zhai, Y
Loesser, G
Wang, W
Udintsev, V
Giacomin, T
Khodak, A
Johnson, D
Feder, R
Klabacha, J
AF Smith, M.
Zhai, Y.
Loesser, G.
Wang, W.
Udintsev, V.
Giacomin, T.
Khodak, A.
Johnson, D.
Feder, R.
Klabacha, J.
TI ANALYSIS OF ITER UPPER PORT DIAGNOSTIC FIRST WALLS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB The Diagnostic First Walls (DFWs) were designed to handle the plasma nuclear and radiant heating along with electro-magnetic loading induced from plasma disruptions. The DFWs also provide custom viewing apertures for the diagnostics within. Consequently, the DFWs contain numerous complex water cooling channels and are designed per ITER SDC-IC for design by analysis.
This paper presents the analyses of the Upper Port DFWs proceeding to a final design review. The finite element analyses (FEAs) performed include neutronics, radiative heating, coupled fluid dynamics and heat transfer, and static and transient structural analysis using the combined multi-physics load conditions. Static structural FEAs performed account for the dynamic amplification effects of the transient load. A detailed bolt analysis was also performed per the ITER SDC-IC bolt evaluation based on reaction loads obtained from the mechanical simulations. Note: Some figures in this paper are in color only in the electronic version
C1 [Smith, M.; Zhai, Y.; Loesser, G.; Wang, W.; Khodak, A.; Johnson, D.; Feder, R.; Klabacha, J.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Udintsev, V.; Giacomin, T.] ITER Org, F-13115 St Paul Les Durance, France.
RP Smith, M (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM msmith@pppl.gov
FU US DOE [DE-AC02-09CH11466]
FX This work is supported by US DOE contract No. DE-AC02-09CH11466.
NR 4
TC 0
Z9 0
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 407
EP 411
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800036
ER
PT J
AU Tresemer, KR
Wood, R
Feder, R
Konkel, L
Klabacha, J
AF Tresemer, K. R.
Wood, R.
Feder, R.
Konkel, L., Jr.
Klabacha, J.
TI PRELIMINARY NEUTRONICS ANALYSIS OF THE ITER TOROIDAL INTERFEROMETER AND
POLARIMETER DIAGNOSTIC CORNER CUBE RETROREFLECTORS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB ITER is an international project under construction in France that will demonstrate nuclear fusion at a power plant-relevant scale. The Toroidal Interferometer and Polarimeter (TIP) Diagnostic will be used to measure the plasma electron line density along 5 laser-beam chords. This line-averaged density measurement will be input to the ITER feedback-control system. The TIP is considered the primary diagnostic for these measurements, which are needed for basic ITER machine control. Therefore, system reliability & accuracy is a critical element in TIP's design.
There are two major challenges to the reliability of the TIP system. First is the survivability and performance of in-vessel optics and second is maintaining optical alignment over long optical paths and large vessel movements. Both of these issues greatly depend on minimizing the overall distortion due to neutron & gamma heating of the Corner Cube Retroreflectors (CCRs). These are small optical mirrors embedded in five first wall locations around the vacuum vessel, corresponding to certain plasma tangency radii. During the development of the design and location of these CCRs, several iterations of neutronics analyses were performed to determine and minimize the total distortion due to nuclear heating of the CCRs. The CCR corresponding to TIP Channel 2 was chosen for analysis as a good middle-road case, being an average distance from the plasma (of the five channels) and having moderate neutron shielding from its blanket shield housing. Results show that Channel 2 meets the requirements of the TIP Diagnostic, but barely. These results suggest other CCRs might be at risk of exceeding thermal deformation due to nuclear heating.
C1 [Tresemer, K. R.; Wood, R.; Feder, R.; Konkel, L., Jr.; Klabacha, J.] Princeton Plasma Phys Lab, Princeton, NJ 08540 USA.
RP Tresemer, KR (reprint author), Princeton Plasma Phys Lab, 100 Stellarator Rd, Princeton, NJ 08540 USA.
EM ktresemer@pppl.gov
FU US DOE [DE-AC02-09CH1146]; PPPL
FX This work is supported by US DOE Contract No. DE-AC02-09CH1146. PPPL
Prime Contract Number DE-AC02-09CH11466. All US activities are managed
by the US ITER Project Office, hosted by Oak Ridge National Laboratory
with partner labs Princeton Plasma Physics Laboratory.
NR 4
TC 0
Z9 0
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 412
EP 415
PG 4
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800037
ER
PT J
AU Titus, PH
Dudek, L
Smith, M
Brooks, A
AF Titus, Peter H.
Dudek, L.
Smith, M.
Brooks, A.
TI NSTX-U CONSTRUCTION RELATED ANALYSIS ISSUES
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB The National Spherical Torus Experiment Upgrade (NSTX-U) is currently under construction at Princeton Plasma Physics Laboratory (PPPL) It is scheduled to start operations early in 2015. Upgrade designs were analyzed and qualified prior to the beginning of construction, but many issues arose during manufacture and assembly that required adjustments in design and analysis of components. Some designs relied on testing that occurred after final design when the actual material and processes were selected by vendors or in-house shops. Design of some components, like the bus bars, was deferred until field run interferences could be identified. Some components used materials that did not meet original specifications. New materials or processes had to be found and components sometimes needed requalification. PPPL responsible or "Cognizant Engineers" (COG's) and analysts worked closely to work out resolution of issues and perform redesign and reanalysis. Revisions to calculations were prepared and filed. Some significant items addressed during the construction period (or Title III in DOE parlance) are selected for more detailed discussion.
C1 [Titus, Peter H.; Dudek, L.; Smith, M.; Brooks, A.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Titus, PH (reprint author), Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
EM ptitus@pppl.gov
FU US DOE [DE-AC02-09CH11466]
FX This work is supported by US DOE Contract No. DE-AC02-09CH11466
NR 5
TC 0
Z9 0
U1 1
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 416
EP 422
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800038
ER
PT J
AU Kotulski, JD
Coats, RS
AF Kotulski, Joseph D.
Coats, Rebecca S.
TI TRANSIENT ELECTROMAGNETIC ANALYSIS OF BLANKET MODULES 14 AND 15 IN
DIFFERENT SECTORS OF THE ITER BLANKET SYSTEM DUE TO PLASMA DISRUPTION
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 21st American-Nuclear-Society (ANS) Topical Meeting on the Technology of
Fusion Energy (TOFE)
CY NOV 10-13, 2014
CL Anaheim, CA
SP Amer Nucl Soc, US Dept Energy, Off Fusion Energy Sci
AB The ITER blanket system provides shielding of the plasma controlling field coils and vacuum vessel from the plasma heat flux as well as nuclear heating from the plasma. In addition to the thermal requirements the blanket module attachment scheme must withstand the electromagnetic forces that occur during possible plasma disruption events. During a plasma disruption event eddy currents are induced in the blanket module (first wall and shield block) and interact with the large magnetic fields to produce forces which could potentially cause mechanical failure. For this reason the design and qualification of the ITER blanket system requires appropriate high-fidelity electromagnetic simulations that capture the physics of these disruption scenarios.
The key features of the analysis procedure will be described including the modeling of the geometry of the blanket modules and the plasma current during disruption.
The electromagnetic calculations are performed using the Opera-3d software. This software solves the transient 3D finite element problem from which the eddy currents are calculated. The electromagnetic loads due to these eddy currents are then calculated and translated to the local coordinate system of the blanket module of interest.
C1 [Kotulski, Joseph D.; Coats, Rebecca S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Kotulski, JD (reprint author), Sandia Natl Labs, 1515 Eubank SE,POB 5800, Albuquerque, NM 87185 USA.
EM jdkotul@sandia.gov
FU Oak Ridge National Laboratory for United States Department of Energy
[DE-AC05-00OR22725]; US ITER Project Office
FX This work was funded by the US ITER Project Office, Oak Ridge National
Laboratory, which is managed and operated by UT-Battelle, LLC for the
United States Department of Energy under contract number
DE-AC05-00OR22725.
NR 5
TC 0
Z9 0
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
EI 1943-7641
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD SEP
PY 2015
VL 68
IS 2
BP 438
EP 442
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5YR
UT WOS:000361420800042
ER
PT J
AU Magnusdottir, L
Finsterle, S
AF Magnusdottir, Lilja
Finsterle, Stefan
TI An iTOUGH2 equation-of-state module for modeling supercritical
conditions in geothermal reservoirs
SO GEOTHERMICS
LA English
DT Article
DE Supercritical water; Magmatic intrusion; High enthalpy fluids; Numerical
modeling; iTOUGH2
ID SIMULATION; SYSTEMS
AB High enthalpy geothermal fluid is becoming more desirable for energy production with advancing technology. In this study, a new equation-of-state module termed EOS1sc was developed for iTOUGH2, to provide forward and inverse Modeling capabilities at supercritical conditions. As a verification exercise, test cases of five-spot geothermal problems and of a cooling pluton were studied. The IAPWS-IF97 and IAPWS-95 thermodynamic formulations were examined, and results of EOS1sc were compared to other simulators. Advantages of EOS1sc over current geothermal simulators include higher operational range for pressure and temperature, better accuracy, higher computational speed, and/or inverse modeling capabilities. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Magnusdottir, Lilja; Finsterle, Stefan] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Magnusdottir, L (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM lmagnusdottir@lbl.gov
RI Finsterle, Stefan/A-8360-2009
OI Finsterle, Stefan/0000-0002-4446-9906
FU Geothermal Research Group (GEORG); U.S. Dept. of Energy
[DE-AC02-05CH11231]
FX Gratitude goes to the Geothermal Research Group (GEORG) for funding this
study. The second author was supported, in part, by the U.S. Dept. of
Energy under Contract No. DE-AC02-05CH11231.
NR 29
TC 2
Z9 2
U1 0
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0375-6505
EI 1879-3576
J9 GEOTHERMICS
JI Geothermics
PD SEP
PY 2015
VL 57
BP 8
EP 17
DI 10.1016/j.geothermics.2015.05.003
PG 10
WC Energy & Fuels; Geosciences, Multidisciplinary
SC Energy & Fuels; Geology
GA CR3UC
UT WOS:000361257600002
ER
PT J
AU Moradi, A
Smits, KM
Massey, J
Cihan, A
McCartney, J
AF Moradi, Ali
Smits, Kathleen M.
Massey, Jacob
Cihan, Abdullah
McCartney, John
TI Impact of coupled heat transfer and water flow on soil borehole thermal
energy storage (SBTES) systems: Experimental and modeling investigation
SO GEOTHERMICS
LA English
DT Article
DE SBTES systems; Vadose zone; Convective heat transfer; Phase change;
Numerical model; Experimental investigation
ID HYDRAULIC CONDUCTIVITY; TEMPERATURE-GRADIENTS; SEASONAL STORAGE;
PHASE-CHANGE; MOISTURE; PERFORMANCE; EXCHANGERS; MOVEMENT; PRESSURE;
EQUATION
AB A promising energy storage option is to inject and store heat generated from renewable energy sources in geothermal borehole arrays to form soil-borehole thermal energy storage (SBTES) systems. Although it is widely recognized that the movement of water in liquid and vapor forms through unsaturated soils is closely coupled to heat transfer, these coupled processes have not been considered in modeling of SBTES systems located in the vadose zone. Instead, previous analyses have assumed that the soil is a purely conductive medium with constant hydraulic and thermal properties. Numerical modeling tools that are available to consider these coupled processes have not been applied to SBTES systems partly due to the scarcity of field or laboratory data needed for validation. The goal of this work is to test different conceptual and mathematical formulations that are used in heat and mass transfer theories and determine their importance in modeling SBTES systems. First, a non-isothermal numerical model that simulates coupled heat, water vapor and liquid water flux through soil and considers non-equilibrium liquid/gas phase change was adopted to simulate SBTES systems. Next, this model was used to investigate different coupled heat transfer and water flow using nonisothermal hydraulic and thermal constitutive models. Data collected from laboratory-scale tank tests involving heating of an unsaturated sand layer were used to validate the numerical simulations. Results demonstrate the need to include thermally induced water flow in modeling efforts as well as convective heat transfer, especially when modeling unsaturated flow systems. For the boundary conditions and soil types considered, convective heat flux arising from thermally induced water flow was greater than heat transfer due to conductive heat flux alone. Although this analysis needs to be applied to the geometry and site conditions for SBTES systems in the vadose zone, this observation indicates that thermally induced water flow can have significant effects on the efficiency of heat injection and extraction. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Moradi, Ali; Smits, Kathleen M.; Massey, Jacob] Colorado Sch Mines, Dept Civil & Environm Engn, Ctr Expt Study Subsurface Environm Proc CESEP, Golden, CO 80401 USA.
[Cihan, Abdullah] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[McCartney, John] Univ Calif San Diego, Dept Struct Engn, San Diego, CA 92103 USA.
RP Moradi, A (reprint author), Colorado Sch Mines, Dept Civil & Environm Engn, Ctr Expt Study Subsurface Environm Proc CESEP, Golden, CO 80401 USA.
EM amoradig@mines.edu
RI Cihan, Abdullah/D-3704-2015
FU National Science Foundation (NSF) Sustainable Energy Pathways (SEP)
Collaborative Project [CMMI-1230544]
FX This research was funded by National Science Foundation (NSF)
Sustainable Energy Pathways (SEP) Collaborative Project Award Number
CMMI-1230544. The content is solely the responsibility of the authors
and does not necessarily represent the official views of the National
Science Foundation (NSF).
NR 71
TC 6
Z9 6
U1 3
U2 19
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0375-6505
EI 1879-3576
J9 GEOTHERMICS
JI Geothermics
PD SEP
PY 2015
VL 57
BP 56
EP 72
DI 10.1016/j.geothermics.2015.05.007
PG 17
WC Energy & Fuels; Geosciences, Multidisciplinary
SC Energy & Fuels; Geology
GA CR3UC
UT WOS:000361257600006
ER
PT J
AU Pandey, SN
Chaudhuri, A
Rajaram, H
Kelkar, S
AF Pandey, S. N.
Chaudhuri, A.
Rajaram, H.
Kelkar, S.
TI Fracture transmissivity evolution due to silica
dissolution/precipitation during geothermal heat extraction
SO GEOTHERMICS
LA English
DT Article
DE Geothermal energy; Enhanced geothermal systems (EGS); Injectivity;
Amorphous silica; Dissolution/precipitation; Heterogeneous reservoir;
Correlation length
ID REACTIVE TRANSPORT; AMORPHOUS SILICA; ROCK FRACTURES; RESERVOIR; ENERGY;
PERMEABILITY; INJECTION; SYSTEM; IMPACT; FIELD
AB We present thermo-hydro-chemical simulations of silicic geothermal reservoirs over similar to 20 year durations. For injection of undersaturated or oversaturated water with respect to the solubility of amorphous silica, the highest rates of reactive alteration occur at some distance away from the injection well. This is largely because the temperature dependence of the reaction rate plays a much greater role than temperature dependent solubility. For oversaturated injection, precipitation occurs in a band, confining the flow system to smaller areas. For undersaturated injection, dissolution causes permeability growth far from the injection well, resulting in longer flowpaths that prevent short-circuits, which implies favorable conditions for sustained energy production. Initial permeability heterogeneity influences reservoir response significantly only when the correlation lengths are of the order of 1/10th of the fracture size or more. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Pandey, S. N.; Chaudhuri, A.] Indian Inst Technol, Dept Appl Mech, Madras 600036, Tamil Nadu, India.
[Rajaram, H.] Univ Colorado, Dept Civil Environm & Architectural Engn, Boulder, CO 80309 USA.
[Kelkar, S.] Los Alamos Natl Lab, Computat Earth Sci Grp, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
RP Chaudhuri, A (reprint author), Indian Inst Technol, Dept Appl Mech, Madras 600036, Tamil Nadu, India.
EM abhijit.chaudhuri@iitm.ac.in
FU MHRD, Government of India
FX The authors wish to thank Dr. J. Moore and two anonymous reviewers for
their constructive comments, which helped to improve the quality of the
paper. The first author is thankful to the MHRD, Government of India,
for providing the fellowship to pursue PhD at Indian Institute of
Technology Madras, Chennai, India.
NR 37
TC 4
Z9 4
U1 2
U2 10
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0375-6505
EI 1879-3576
J9 GEOTHERMICS
JI Geothermics
PD SEP
PY 2015
VL 57
BP 111
EP 126
DI 10.1016/j.geothermics.2015.06.011
PG 16
WC Energy & Fuels; Geosciences, Multidisciplinary
SC Energy & Fuels; Geology
GA CR3UC
UT WOS:000361257600011
ER
PT J
AU Chen, T
Huang, LJ
AF Chen, Ting
Huang, Lianjie
TI Directly imaging steeply-dipping fault zones in geothermal fields with
multicomponent seismic data
SO GEOTHERMICS
LA English
DT Article
DE Steeply-dipping fault; Seismic imaging; Elastic reverse-time migration;
Wavefield separation; Geothermal exploration; Poynting vector
ID REVERSE-TIME-MIGRATION; WAVE-EQUATION; FLUID-FLOW; EXPLORATION;
SEPARATION
AB For characterizing geothermal systems, it is important to have clear images of steeply-dipping fault zones because they may confine the boundaries of geothermal reservoirs and influence hydrothermal flow. Elastic reverse-time migration (ERTM) is the most promising tool for subsurface imaging with multicomponent seismic data. However, conventional ERTM usually generates significant artifacts caused by the cross correlation of undesired wavefields and the polarity reversal of shear waves. In addition, it is difficult for conventional ERTM to directly image steeply-dipping fault zones. We develop a new ERTM imaging method in this paper to reduce these artifacts and directly image steeply-dipping fault zones. In our new ERTM method, forward-propagated source wavefields and backward-propagated receiver wavefields are decomposed into compressional (P) and shear (S) components. Each component of these wavefields is separated into left- and right-going, or downgoing and upgoing waves. The cross correlation imaging condition is applied to the separated wavefields along opposite propagation directions. For converted waves (P-to-S or S-to-P), the polarity correction is applied to the separated wavefields based on the analysis of Poynting vectors. Numerical imaging examples of synthetic seismic data demonstrate that our new ERTM method produces high-resolution images of steeply-dipping fault zones. Published by Elsevier Ltd.
C1 [Chen, Ting; Huang, Lianjie] Los Alamos Natl Lab, Geophys Grp, Los Alamos, NM 87545 USA.
RP Chen, T (reprint author), Los Alamos Natl Lab, MS D446, Los Alamos, NM 87545 USA.
EM tchen@lanl.gov; ljh@lanl.gov
OI Chen, Ting/0000-0002-9599-871X
FU Geothermal Technologies Program of the U.S. Department of Energy
[DE-AC52-06NA25396]
FX This work was supported by the Geothermal Technologies Program of the
U.S. Department of Energy through contract DE-AC52-06NA25396 to Los
Alamos National Laboratory. The computation was performed on
super-computers provided by the Institutional Computing Program of Los
Alamos National Laboratory. We thank James Echols for his help in
building the velocity model for the Soda Lake geothermal site. The model
is built in reference to a time migration result provided by Magma
Energy (U.S.) Corp. We thank Kenneth Hanson of Los Alamos National
Laboratory for his help in refining this manuscript, Associate Editor
Joseph Moore and two anonymous reviewers for their valuable comments.
NR 43
TC 0
Z9 0
U1 3
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0375-6505
EI 1879-3576
J9 GEOTHERMICS
JI Geothermics
PD SEP
PY 2015
VL 57
BP 238
EP 245
DI 10.1016/j.geothermics.2015.07.003
PG 8
WC Energy & Fuels; Geosciences, Multidisciplinary
SC Energy & Fuels; Geology
GA CR3UC
UT WOS:000361257600021
ER
PT J
AU Gasperikova, E
Rosenkjaer, GK
Arnason, K
Newman, GA
Lindsey, NJ
AF Gasperikova, Erika
Rosenkjaer, Gudni K.
Arnason, Knutur
Newman, Gregory A.
Lindsey, Nathaniel J.
TI Resistivity characterization of the Krafla and Hengill geothermal fields
through 3D MT inverse modeling
SO GEOTHERMICS
LA English
DT Article
DE Magnetotellurics; 3D inversion; Geothermal; Iceland; Krafla; Hengill
ID ELECTROMAGNETIC METHODS; WELL IDDP-1; ICELAND; EVOLUTION; VOLCANO
AB Krafla and Hengill volcanic complexes, located 300 km apart, are both known as high-temperature geothermal systems located within neo-volcanic zones of Iceland. This paper demonstrates the utilization of three-dimensional (3D) magnetotelluric (MT) inversions from three different inverse modeling algorithms, which leads to characterizing the electrical resistivity structure of geothermal reservoirs with a much greater level of confidence in accuracy and resolution than if a single algorithm was employed in the data interpretation. These are the first 3D MT inversions of a Krafla MT dataset. The inverted model of electrical resistivity is a classic example of a high-temperature hydrothermal system, with a highly resistive near-surface layer, identified as unaltered porous basalt, overlying a low resistivity cap corresponding to the smectite zeolite zone. This layer is in turn underlain by a more resistive zone, identified as the epidote chlorite zone, also called the resistive core, which is often associated with production of geothermal fluids. The electrical structure in the upper 1-2 km does not correlate with lithology but with alteration mineralogy. At the location of the IDDP-1 well, which encountered magma at 2.1 km depth, the resistivity image shows high resistivity, most likely due to the epidote chlorite geology and the presence of deeper superheated or supercritical fluids. Two km northwest of the well, however, an intrusive low-resistivity feature is imaged rising from depth, and a plausible interpretation is that of a magma intrusion. One possible explanation for the magma encounter at the IDDP-1 well is the existence of pathways or fissures connected to the magma chamber and intersected by the well. The MT response to these magma pathways is not discernible in the existing data, perhaps because this magma volume is below the threshold of resolvability. The electrical resistivity structure of the Hengill geothermal area also reveals characteristic features of a high temperature geothermal system with two low-resistivity layers. The nature of the uppermost low-resistivity layer and the increasing resistivity below it is attributed to hydrothermal mineral alteration, while the nature of the deep low-resistivity layer, centered over the northeast, is not yet well understood. The geothermal system in the northeast area appears to be shallower than the system manifested in the southwest. 3D MT inversions of Krafl a and Hengill data sets show that knowledge of the subsurface electrical resistivity contributes substantially to a better understanding of complex geothermal systems. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Gasperikova, Erika; Newman, Gregory A.; Lindsey, Nathaniel J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Rosenkjaer, Gudni K.; Arnason, Knutur] ISOR Iceland GeoSurvey, IS-108 Reykjavik, Iceland.
[Rosenkjaer, Gudni K.] Univ British Columbia, Vancouver, BC V6T 1Z4, Canada.
RP Gasperikova, E (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd,MS74R316C, Berkeley, CA 94720 USA.
EM egasperikova@lbl.gov
RI Newman, Gregory/G-2813-2015; Gasperikova, Erika/D-1117-2015
OI Gasperikova, Erika/0000-0003-1553-4569
FU U.S. Department of Energy Geothermal Program Office
[GT-480010-19823-10]; Office of Basic Energy Sciences
[DE-AC02-05CH11231]; Iceland Geosurvey and Geothermal Research Group
GEORG
FX This work was carried out at Lawrence Berkeley National Laboratory, with
funding provided by the U.S. Department of Energy Geothermal Program
Office under contract GT-480010-19823-10, and Office of Basic Energy
Sciences under contract DE-AC02-05CH11231. Funding for G.K. Rosenkjaer
and K. Arnason was provided by Iceland Geosurvey and Geothermal Research
Group GEORG. We would like to thank three anonymous reviewers for
suggestions and comments that improved this manuscript.
NR 39
TC 4
Z9 4
U1 1
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0375-6505
EI 1879-3576
J9 GEOTHERMICS
JI Geothermics
PD SEP
PY 2015
VL 57
BP 246
EP 257
DI 10.1016/j.geothermics.2015.06.015
PG 12
WC Energy & Fuels; Geosciences, Multidisciplinary
SC Energy & Fuels; Geology
GA CR3UC
UT WOS:000361257600022
ER
PT J
AU Rosenkjaer, GK
Gasperikova, E
Newman, GA
Arnason, K
Lindsey, NJ
AF Rosenkjaer, Gudni Karl
Gasperikova, Erika
Newman, Gregory A.
Arnason, Knutur
Lindsey, Nathaniel J.
TI Comparison of 3D MT inversions for geothermal exploration: Case studies
for Krafla and Hengill geothermal systems in Iceland
SO GEOTHERMICS
LA English
DT Article
DE Magnetotellurics; 3D inversion; Geothermal; Iceland; Krafla; Hengill
ID 3-DIMENSIONAL MAGNETOTELLURIC INVERSION; FIELD
AB The magnetotelluric (MT) method is important for exploration of geothermal systems. The information on the Earth's resistivity obtained with MT methods has been valuable in imaging the hydrothermal alteration of such systems. Given its ability to recover complex resistivity models for the Earth, three-dimensional (3D) MT inversion has become a common practice in geothermal exploration. However, 3D inversion is a time-consuming a nd complicated procedure that relies on computer algorithms to search for a model that can explain the measured data to a sufficient level. Furthermore, many elements of inversion require input from the practitioner, which can easily bias the results. Consequently, final 3D MT results depend on various factors, including the inversion code, the model mesh used to represent the Earth, data quality and processing, and constraints imposed during the inversion procedure.
In this paper, to explore how this variability in 3D MT modeling impacts the final model, we invert MT data sets from the Krafla and Hengill geothermal areas in Iceland, using three different inversion codes. In each case, the modelers had the freedom to select a subset of the data and implement the inversion for the respective code in an optimized way. We compare the results from all the inversion codes, as well as consider the setup and assumptions made during the inversion process, all of which helps enhance the robustness and quality of the results. The comparison is done in multiple ways, using visual comparison of the recovered resistivity models, as well as comparing the structural similarities of the models by employing a structural correlation metric based on cross-gradients and other types of metrics for structural correlation. This approach highlights structures that are common in all three models, and implies that these structures are independent of the inversion code and necessary to fit the data.
All modeling results from both Krafla and Hengill are consistent to first order, recovering a conductive layer on top of a resistive core typical of high temperature geothermal systems. For Hengill, the models show strong structural agreement, with all inversions recovering a moderately layered resistivity model but adding detail to previous work done in the area. Major differences are found in areas with coarse data coverage and hence questionable model resolution. Where the recovered structures in different models coincide, our confidence that these structures are well-constrained by the data is elevated, in spite of the different setup and assumptions in the codes these structures are required; so they can be interpreted in terms of geology with more certainty. Results from Krafla are not as consistent as results for Hengill, related in part to the Krafla data being nosier than the Hengill data. The models from Krafla have coinciding larger structures, but small-scale structures there are less coherent. One of the consistent structures in all the models is a conductive zone reaching from a depth of 5 km to shallower depths in the northern part of the area. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Rosenkjaer, Gudni Karl] Univ British Columbia, Vancouver, BC V6T 1Z4, Canada.
[Gasperikova, Erika; Newman, Gregory A.; Lindsey, Nathaniel J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Rosenkjaer, Gudni Karl; Arnason, Knutur] Iceland Geosurvey, IS-108 Reykjavik, Iceland.
RP Rosenkjaer, GK (reprint author), Univ British Columbia, 6339 Stores Rd, Vancouver, BC V6T 1Z4, Canada.
EM grosenkj@eos.ubc.ca
RI Gasperikova, Erika/D-1117-2015
OI Gasperikova, Erika/0000-0003-1553-4569
FU Geothermal Research Group GEORG; Lawrence Berkeley National Laboratory;
US Department of Energy Geothermal Program Office [GT-480010-19823-10];
Office of Basic Energy Sciences [DE-AC02-05CH11231]
FX This work was carried out at University of British Columbia and Iceland
Geosurvey, with funding provided by Geothermal Research Group GEORG; and
at Lawrence Berkeley National Laboratory, with funding provided by the
US Department of Energy Geothermal Program Office under contract
GT-480010-19823-10, and Office of Basic Energy Sciences under Award No.
DE-AC02-05CH11231. We also want thank three anonymous reviewers for the
valuable comments and suggestions to improve the manuscript.
NR 25
TC 2
Z9 2
U1 6
U2 11
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0375-6505
EI 1879-3576
J9 GEOTHERMICS
JI Geothermics
PD SEP
PY 2015
VL 57
BP 258
EP 274
DI 10.1016/j.geothermics.2015.06.001
PG 17
WC Energy & Fuels; Geosciences, Multidisciplinary
SC Energy & Fuels; Geology
GA CR3UC
UT WOS:000361257600023
ER
PT J
AU Javedani, JB
Houck, TL
Poole, BR
White, AD
AF Javedani, J. B.
Houck, T. L.
Poole, B. R.
White, A. D.
TI The Application of Kiuttu's Formulation to Study Coaxial Flux
Compression Generators
SO IEEE TRANSACTIONS ON PLASMA SCIENCE
LA English
DT Article
DE Coaxial magnetic flux compression generators; pulsed power; vector
potential; ohmic losses; magnetic diffusion
AB A class of flux compression generators (FCGs) is based on the compression of the cross-sectional area of a coaxial geometry where the current flows along the outer conductor and returns through the inner conductor. This compression causes an increase in current since magnetic flux must be conserved. Kiuttu's inductive electric-field formulation is a powerful tool for the conceptual design of coaxial FCGs. The usefulness of this formulation is demonstrated in this paper for a simplified geometry using a finite-element partial differential equation solver (FlexPDE) for calculation of the inductive electric field. A time-varying applied current or a moving surface creates the nonconservative electric field. Losses due to diffusion of magnetic flux into conducting surfaces can also be accounted for and modeled in this setting. This analytical-computational approach serves as an important step in validating the magnetohydrodynamic (MHD) portion of the complex multiphysics parallel Lawrence Livermore code, Arbitrary Lagrangian-Eulerian (ALE3D). The nonintuitive boundary conditions involved in solving the otherwise straightforward partial differential equations are described in detail and illustrated in a simple model. The physical parameters used in the simulations are not based on a specific design.
C1 [Javedani, J. B.; Houck, T. L.; Poole, B. R.; White, A. D.] Lawrence Livermore Natl Lab, US Dept Energy, Livermore, CA 94550 USA.
RP Javedani, JB (reprint author), Lawrence Livermore Natl Lab, US Dept Energy, Livermore, CA 94550 USA.
EM javedani1@llnl.gov; houck1@llnl.gov; poole1@llnl.gov; White210@llnl.gov
FU U.S. Department of Energy [DE-AC52-07NA27344]
FX This work was supported by the U.S. Department of Energy under Contract
DE-AC52-07NA27344.
NR 2
TC 0
Z9 0
U1 0
U2 2
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0093-3813
EI 1939-9375
J9 IEEE T PLASMA SCI
JI IEEE Trans. Plasma Sci.
PD SEP
PY 2015
VL 43
IS 9
BP 3339
EP 3343
DI 10.1109/TPS.2015.2454447
PN 2
PG 5
WC Physics, Fluids & Plasmas
SC Physics
GA CR7KX
UT WOS:000361529600031
ER
PT J
AU Ampleford, DJ
Bland, SN
Jennings, CA
Lebedev, SV
Chittenden, JP
McBride, RD
Jones, B
Serrano, JD
Cuneo, ME
Hall, GN
Suzuki-Vidal, F
Bott-Suzuki, SC
AF Ampleford, David J.
Bland, Simon N.
Jennings, Christopher A.
Lebedev, Sergey V.
Chittenden, Jeremy P.
McBride, Ryan D.
Jones, Brent
Serrano, Jason D.
Cuneo, Michael E.
Hall, Gareth N.
Suzuki-Vidal, Francisco
Bott-Suzuki, Simon C.
TI Investigating Radial Wire Array Z-Pinches as a Compact X-Ray Source on
the Saturn Generator
SO IEEE TRANSACTIONS ON PLASMA SCIENCE
LA English
DT Article
DE Inertial Confinement Fusion; Plasma pinch; Radial Wire array Z-pinches
ID INERTIAL CONFINEMENT FUSION; DRIVEN HOHLRAUMS; POWER; PHYSICS
AB Radial wire array Z-pinches, where wires are positioned radially outward from a central cathode to a concentric anode, can act as a compact bright X-ray source that could potentially be used to drive a hohlraum. Experiments were performed on the 7-MA Saturn generator using radial wire arrays. These experiments studied a number of potential risks in scaling radial wire arrays up from the 1-MA level, where they have been shown to be a promising compact X-ray source. Data indicate that at 7 MA, radial wire arrays can radiate similar to 9 TW with 10-ns full-width at half-maximum from a compact pinch.
C1 [Ampleford, David J.; Jennings, Christopher A.; McBride, Ryan D.; Jones, Brent; Serrano, Jason D.; Cuneo, Michael E.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Bland, Simon N.; Lebedev, Sergey V.; Chittenden, Jeremy P.; Suzuki-Vidal, Francisco] Univ London Imperial Coll Sci Technol & Med, London SW7 2BW, England.
[Hall, Gareth N.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Bott-Suzuki, Simon C.] Univ Calif San Diego, La Jolla, CA 92093 USA.
RP Ampleford, DJ (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM damplef@sandia.gov; sn.bland@imperial.ac.uk; cjennin@sandia.gov;
s.lebedev@imperial.ac.uk; j.chittenden@imperial.ac.uk;
rdmcbri@sandia.gov; bmjones@sandia.gov; jdserra@sandia.gov;
mecuneo@sandia.gov; gareth.hall@imperial.ac.uk; f.suzuki@imperial.ac.uk;
sbottsuzuki@ucsd.edu
FU Sandia's Laboratory Directed Research and Development Program [117862];
U.S. Department of Energy's (DOE's) National Nuclear Security
Administration [DE-AC04-94AL85000]; National Nuclear Security
Administration through DOE [DE-FC03-02NA00057]; Engineering and Physical
Sciences Research Council
FX This work was supported by the Sandia's Laboratory Directed Research and
Development Program under Project 117862. Sandia National Laboratories
is a multi-program laboratory managed and operated by Sandia
Corporation, a wholly owned subsidiary of Lockheed Martin Corporation,
for the U.S. Department of Energy's (DOE's) National Nuclear Security
Administration under Contract DE-AC04-94AL85000. The work of S.N. Bland,
S.V. Lebedev, J.P. Chittenden, G.N. Hall, and F. Suzuki-Vidal was
supported in part by the National Nuclear Security Administration
through DOE Cooperative Agreement under Grant DE-FC03-02NA00057 and in
part by the Engineering and Physical Sciences Research Council.
NR 32
TC 0
Z9 0
U1 2
U2 6
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0093-3813
EI 1939-9375
J9 IEEE T PLASMA SCI
JI IEEE Trans. Plasma Sci.
PD SEP
PY 2015
VL 43
IS 9
BP 3344
EP 3352
DI 10.1109/TPS.2015.2436339
PN 2
PG 9
WC Physics, Fluids & Plasmas
SC Physics
GA CR7KX
UT WOS:000361529600032
ER
PT J
AU Kennedy, DJ
Mayer, BP
Baker, SE
Valdez, CA
AF Kennedy, Daniel J.
Mayer, Brian P.
Baker, Sarah E.
Valdez, Carlos A.
TI Kinetics and speciation of paraoxon hydrolysis by
zinc(II)-azamacrocyclic catalysts
SO INORGANICA CHIMICA ACTA
LA English
DT Article
DE Pesticides; Organophosphorus; Hydrolysis; Catalysis; Zinc;
Phosphotriester
ID NERVE AGENT VX; CARBONIC-ANHYDRASE; ZINC(II) COMPLEX;
ALKALINE-HYDROLYSIS; MACROCYCLIC LIGAND; REACTION PATHWAYS; ENERGY
BARRIERS; MODEL; PHOSPHATE; ESTERS
AB Four Zn2+-azamacrocyclic complexes were investigated for their ability to catalyze the hydrolysis of the toxic organophosphate (OP) pesticide diethyl paraoxon. Of the four complexes studied, Zn2+-1,5,9-triazacyclododecane (Zn2+-[12]aneN(3)) was found to be the most effective catalyst with a pseudo-first order reaction rate of k = 6.08 +/- 0.23 x 10(-4) min(-1). Using P-31 nuclear magnetic resonance (NMR) spectroscopy, the two products diethyl phosphate (DEP) and ethyl (4-nitrophenyl) phosphate (E4NPP) were identified for both catalyzed and background hydrolysis of paraoxon. Reaction rate and selectivity for formation of the non-toxic DEP were observed to correlate with catalyst pK(a). The rate of formation of toxic E4NPP, however, was independent of both the presence and nature of the catalyst. The potential roles of buffer concentration and product inhibition were also investigated. Background hydrolysis at elevated reaction temperatures (50 degrees C) displayed no preference for DEP over that of E4NPP despite substantial differences between the characteristics (i.e., pK(a) values) of the two leaving groups (ethoxide vs. 4-nitrophenoxide anions). As with previous observations of these types of metal-catalyzed hydrolyses, we invoke the formation of a trigonal bipyramidal-like transition state involving a Zn-coordinated phosphate bond, with the leaving group at the apical position and the incoming HO- anion approaching from the opposite end. Kinetic rates for catalytic hydrolysis display an overwhelming propensity for DEP formation, and suggest the importance of steric restrictions on transition state structure, namely a concerted arrangement of the azamacrocycle in opposition to the bulky 4-nitrophenoxy group. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Kennedy, Daniel J.; Mayer, Brian P.; Valdez, Carlos A.] Lawrence Livermore Natl Lab, Forens Sci Ctr, Livermore, CA 94550 USA.
[Kennedy, Daniel J.; Mayer, Brian P.; Baker, Sarah E.; Valdez, Carlos A.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
RP Valdez, CA (reprint author), Lawrence Livermore Natl Lab, Forens Sci Ctr, 7000 East Ave,L-091, Livermore, CA 94550 USA.
EM valdez11@llnl.gov
FU U.S. Department of Energy, Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; Lawrence Livermore National Laboratory
[14-ERD-048]; United States government
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344 and support from Lawrence Livermore National
Laboratory (14-ERD-048). This document (LLNL-JRNL-663756) was prepared
as an account of work sponsored by an agency of the United States
government. Neither the United States government nor Lawrence Livermore
National Security, LLC, nor any of their employees makes any warranty,
expressed or implied, or assumes any legal liability or responsibility
for the accuracy, completeness, or usefulness of any information,
apparatus, product, or process disclosed, or represents that its use
would not infringe privately owned rights. Reference herein to any
specific commercial product, process, or service by trade name,
trademark, manufacturer, or otherwise does not necessarily constitute or
imply its endorsement, recommendation, or favoring by the United States
government or Lawrence Livermore National Security, LLC. The views and
opinions of authors expressed herein do not necessarily state or reflect
those of the United States government or Lawrence Livermore National
Security, LLC, and shall not be used for advertising or product
endorsement purposes.
NR 36
TC 1
Z9 1
U1 5
U2 20
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0020-1693
EI 1873-3255
J9 INORG CHIM ACTA
JI Inorg. Chim. Acta
PD SEP 1
PY 2015
VL 436
BP 123
EP 131
DI 10.1016/j.ica.2015.07.035
PG 9
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA CR2VB
UT WOS:000361187700015
ER
PT J
AU Wang, LC
Stowers, KJ
Zugic, B
Personick, ML
Biener, MM
Biener, J
Friend, CM
Madix, RJ
AF Wang, Lu-Cun
Stowers, Kara J.
Zugic, Branko
Personick, Michelle L.
Biener, Monika M.
Biener, Juergen
Friend, Cynthia M.
Madix, Robert J.
TI Exploiting basic principles to control the selectivity of the vapor
phase catalytic oxidative cross-coupling of primary alcohols over
nanoporous gold catalysts
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Nanoporous gold; Oxidation; Methyl ester synthesis; Selectivity;
Reaction mechanism; Heterogeneous catalysis
ID OXYGEN-ADSORPTION; AEROBIC OXIDATION; MOLECULAR-OXYGEN; ATOMIC OXYGEN;
CO OXIDATION; FORMIC-ACID; AU(110) SURFACE; LOW-TEMPERATURE; METALLIC
GOLD; METHANOL
AB Achieving high selectivity for high volume chemical synthesis is important for lowering energy consumption through reduction in waste. We report the selective synthesis of methyl esters-methyl acetate and methyl butyrate-through catalytic O-2-assisted cross-coupling of methanol with ethanol or 1-butanol using activated, support-free nanoporous gold (npAu). Both well-controlled studies on ingots in UHV and experiments under ambient pressure catalytic conditions on both ingots and microspherical hollow shell catalysts reveal guiding principles for controlling selectivity. Under UHV conditions, the ester products of the cross-coupling of methanol with both ethanol and 1-butanol evolve near room temperature in temperature-programmed reaction studies, indicating that the reactions occur facilely. Under steady-state catalytic operation, high stable activity was observed for cross-coupling in flowing gaseous reactant mixtures at atmospheric pressure and 423 K with negligible combustion. Optimum selectivity for cross-coupling is obtained in methanol-rich mixtures due to a combination of two factors: (1) the relative coverage of the respective alkoxys and (2) the relative facility of their beta-H elimination. The relative coverage of the alkoxys is governed by van der Waal's interactions between the alkyl groups and the surface; here, we demonstrate the importance of these weak interactions in a steady-state catalytic process. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Wang, Lu-Cun; Stowers, Kara J.; Zugic, Branko; Personick, Michelle L.; Friend, Cynthia M.] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA.
[Friend, Cynthia M.; Madix, Robert J.] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA.
[Biener, Monika M.; Biener, Juergen] Lawrence Livermore Natl Lab, Nanoscale Synth & Characterizat Lab, Livermore, CA 94550 USA.
RP Friend, CM (reprint author), Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA.
EM friend@fas.harvard.edu
RI Wang, Lu-Cun/K-2632-2014
OI Wang, Lu-Cun/0000-0002-4930-8618
FU Integrated Mesoscale Architectures for Sustainable Catalysis, an Energy
Frontier Research Center - U.S. Department of Energy, Office of Science,
Basic Energy Sciences [DE-SC0012573]; U.S. Department of Energy by LLNL
[DE-AC52-07NA27344]
FX This work was supported as part of the Integrated Mesoscale
Architectures for Sustainable Catalysis, an Energy Frontier Research
Center funded by the U.S. Department of Energy, Office of Science, Basic
Energy Sciences under Award # DE-SC0012573. Work at LLNL was performed
under the auspices of the U.S. Department of Energy by LLNL under
Contract DE-AC52-07NA27344.
NR 51
TC 15
Z9 16
U1 9
U2 58
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
EI 1090-2694
J9 J CATAL
JI J. Catal.
PD SEP
PY 2015
VL 329
BP 78
EP 86
DI 10.1016/j.jcat.2015.04.022
PG 9
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA CR3RM
UT WOS:000361250800008
ER
PT J
AU Palomino, RM
Magee, JW
Llorca, J
Senanayake, SD
White, MG
AF Palomino, Robert M.
Magee, Joseph W.
Llorca, Jordi
Senanayake, Sanjaya D.
White, Michael G.
TI The effect of Fe-Rh alloying on CO hydrogenation to C2+ oxygenates
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Ethanol synthesis; Bimetallic catalysts; CO hydrogenation
ID FISCHER-TROPSCH SYNTHESIS; REDUCED RH/TIO2 CATALYSTS; SYNTHESIS GAS;
SUPPORTED RHODIUM; ETHANOL SYNTHESIS; EXAFS EVIDENCE; IN-SITU; SYNGAS;
IRON; PARTICLES
AB A combination of reactivity and structural studies using X-ray diffraction (XRD), pair distribution function (PDF), and transmission electron microscopy (TEM) was used to identify the active phases of Fe-modified Rh/TiO2 catalysts for the synthesis of ethanol and other C2+ oxygenates from CO hydrogenation. XRD and TEM confirm the existence of Fe-Rh alloys for catalyst with 1-7 wt% Fe and similar to 2 wt% Rh. Rietveld refinements show that FeRh alloy content increases with Fe loading up to similar to 4 wt%, beyond which segregation to metallic Fe becomes favored over alloy formation. Catalysts that contain Fe metal after reduction exhibit some carburization as evidenced by the formation of small amounts of Fe3C during CO hydrogenation. Analysis of the total Fe content of the catalysts also suggests the presence of FeOx also increased under reaction conditions. Reactivity studies show that enhancement of ethanol selectivity with Fe loading is accompanied by a significant drop in CO conversion. Comparison of the XRD phase analyses with selectivity suggests that higher ethanol selectivity is correlated with the presence of Fe-Rh alloy phases. Overall, the interface between Fe and Rh serves to enhance the selectivity of ethanol, but suppresses the activity of the catalyst which is attributed to the blocking or modifying of Rh active sites. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Palomino, Robert M.; Magee, Joseph W.; White, Michael G.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Senanayake, Sanjaya D.; White, Michael G.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Llorca, Jordi] Tech Univ Catalonia, Inst Energy Technol, Barcelona 08028, Spain.
[Llorca, Jordi] Tech Univ Catalonia, Ctr Res NanoEngn, Barcelona 08028, Spain.
RP White, MG (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM mgwhite@bnl.gov
RI Senanayake, Sanjaya/D-4769-2009;
OI Senanayake, Sanjaya/0000-0003-3991-4232; Palomino,
Robert/0000-0003-4476-3512
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-SC0012704]
FX This work was supported by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences under Contract No.
DE-SC0012704. The XRD and PDF data were taken at the National
Synchrotron Light Source, which is a DOE Office of Science User Facility
located at Brookhaven National Laboratory. R.P. and M.G.W. would like to
acknowledge Charles T. Black at the Center for Functional Nanomaterials
at Brookhaven National Laboratory for helpful discussions and assistance
in catalysts' syntheses. J.L. is Serra Hunter Fellow and is grateful to
ICREA Academia program.
NR 41
TC 7
Z9 7
U1 9
U2 50
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
EI 1090-2694
J9 J CATAL
JI J. Catal.
PD SEP
PY 2015
VL 329
BP 87
EP 94
DI 10.1016/j.jcat.2015.04.033
PG 8
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA CR3RM
UT WOS:000361250800009
ER
PT J
AU Schimming, SM
Foo, GS
LaMont, OD
Rogers, AK
Yung, MM
D'Amico, AD
Sievers, C
AF Schimming, Sarah M.
Foo, Guo Shiou
LaMont, Onaje D.
Rogers, Allyson K.
Yung, Matthew M.
D'Amico, Andrew D.
Sievers, Carsten
TI Kinetics of hydrogen activation on ceria-zirconia
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Deuterium; Isotopic exchange; Hydrogenation; Dissociative adsorption;
Hydrodeoxygenation; Oxygen storage capacity
ID OXIDE FUEL-CELLS; ALUMINA-SUPPORTED PALLADIUM; SURFACE-AREA CERIA; GAS
SHIFT REACTION; ISOTOPIC EXCHANGE; TRANSPORT-PROPERTIES;
CATALYTIC-ACTIVITY; REDOX BEHAVIOR; MIXED OXIDES; X-RAY
AB Ceria-zirconias are popular catalysts and supports for metal particles. Even without supported metal particles, these materials are active for hydrogenation and hydrodeoxygenation reactions, where oxygen vacancies serve as the active site. To gain a detailed understanding of the ability of ceria-based catalysts to dissociatively adsorb hydrogen, H-2-D-2 exchange is studied as a test reaction. The density of exchangeable hydrogen per surface area approaches the values for typical metal surfaces. Below 250 degrees C, H-2-D-2 exchange occurs at oxygen vacancies with an activation energy of ca. 24 kJ mol(-1). At higher temperatures, additional sites at the edges of ceria-zirconia crystallites contribute to the reaction. The kinetics and the density of active sites for dissociative adsorption of hydrogen are correlated with physicochemical properties of the catalysts. Specifically, the crystallite size has a strong influence on the reactivity of different samples. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Schimming, Sarah M.; Foo, Guo Shiou; LaMont, Onaje D.; Rogers, Allyson K.; Sievers, Carsten] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
[Schimming, Sarah M.; Sievers, Carsten] Georgia Inst Technol, Renewable Bioprod Inst, Atlanta, GA 30332 USA.
[LaMont, Onaje D.; D'Amico, Andrew D.] Micromerit Instrument Corp, Norcross, GA 30093 USA.
[Rogers, Allyson K.; Yung, Matthew M.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Sievers, C (reprint author), Georgia Inst Technol, Sch Chem & Biomol Engn, 311 Ferst Dr NW, Atlanta, GA 30332 USA.
EM carsten.sievers@chbe.gatech.edu
OI Foo, Guo Shiou/0000-0003-0807-5878
FU Renewable Bioproducts Institute at the Georgia Institute of Technology;
International Paper; NewPage Corporation
FX The authors would like to thank Allison R. Rogers for XRD measurements
and Jessica Ewbank and Tiorra Ross for experimental help. Financial
assistance from the Renewable Bioproducts Institute at the Georgia
Institute of Technology, International Paper, and NewPage Corporation is
gratefully acknowledged. Jose Rodriguez is acknowledged for a helpful
discussion.
NR 77
TC 12
Z9 12
U1 15
U2 59
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
EI 1090-2694
J9 J CATAL
JI J. Catal.
PD SEP
PY 2015
VL 329
BP 335
EP 347
DI 10.1016/j.jcat.2015.05.027
PG 13
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA CR3RM
UT WOS:000361250800032
ER
PT J
AU Chen, HY
Wei, ZH
Kollar, M
Gao, F
Wang, YL
Szanyi, J
Peden, CHF
AF Chen, Hai-Ying
Wei, Zhehao
Kollar, Marton
Gao, Feng
Wang, Yilin
Szanyi, Janos
Peden, Charles H. F.
TI A comparative study of N2O formation during the selective catalytic
reduction of NOx with NH3 on zeolite supported Cu catalysts
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Selective catalytic reduction of NOx; Zeolite supported Cu catalysts;
Surface nitrate groups; N2O formation mechanisms; NH4NO3 decomposition;
Pore restriction effect in zeolites
ID IN-SITU DRIFTS; SCR CATALYSTS; CU-SSZ-13 CATALYST; AMMONIUM-NITRATE;
NH3-SCR REACTION; HIGH-TEMPERATURE; NITROGEN-OXIDES; NITRIC-OXIDE;
DEALUMINATION; FTIR
AB A comparative study was carried out on a small-pore Cu-CHA and a large-pore Cu-BEA zeolite catalyst to understand the lower N2O formation on small-pore zeolite supported Cu catalysts in the selective catalytic reduction (SCR) of NOx with NH3. On both catalysts, the N2O yield increases with an increase in the NO2/NOx ratios of the feed gas, suggesting N2O formation via the decomposition of NH4NO3. Temperature-programmed desorption experiments reveal that NH4NO3 is more stable on Cu-CHA than on Cu-BEA. In situ FTIR spectra following stepwise (NO2 + O-2) and ((NO)-N-15 + NH3 + O-2) adsorption and reaction, and product distribution analysis using isotope-labeled reactants, unambiguously prove that surface nitrate groups are essential for the formation of NH4NO3. Furthermore, Cu-CHA is shown to be considerably less active than Cu-BEA in catalyzing NO oxidation and the subsequent formation of surface nitrate groups. Both factors, i.e., (1) the higher thermal stability of NH4NO3 on Cu-CHA, and (2) the lower activity for this catalyst to catalyze NO oxidation and the subsequent formation of surface nitrates, likely contribute to the higher SCR selectivity with less N2O formation on this catalyst as compared to Cu-BEA. The latter is determined as the primary reason since surface nitrates are the source that leads to the formation of NH4NO3 on the catalysts. (C) 2015 Elsevier Inc. All rights reserved. Agreements signed 2015.
C1 [Chen, Hai-Ying] Johnson Matthey Inc, Emiss Control Technol, Wayne, PA 19087 USA.
[Wei, Zhehao; Kollar, Marton; Gao, Feng; Wang, Yilin; Szanyi, Janos; Peden, Charles H. F.] Pacific NW Natl Lab, Inst Integrated Catalysis, Richland, WA 99352 USA.
RP Chen, HY (reprint author), Johnson Matthey Inc, Emiss Control Technol, Wayne, PA 19087 USA.
EM chenh@jmsua.com; chuck.peden@pnnl.gov
RI Wei, Zhehao/L-2801-2013
OI Wei, Zhehao/0000-0002-9670-4752
FU PNNL; US Department of Energy (DOE), Energy Efficiency and Renewable
Energy, Vehicle Technologies Office; DOE's Office of Biological and
Environmental Research
FX HYC is grateful to Johnson Matthey for the support of this collaboration
work and to PNNL for an Alternate Sponsored Fellowship. The authors at
PNNL gratefully acknowledge the US Department of Energy (DOE), Energy
Efficiency and Renewable Energy, Vehicle Technologies Office for the
support of this work. The research described in this paper was performed
at the Environmental Molecular Sciences Laboratory (EMSL), a national
scientific user facility sponsored by the DOE's Office of Biological and
Environmental Research and located at Pacific Northwest National
Laboratory (PNNL). PNNL is operated for the US DOE by Battelle.
NR 43
TC 9
Z9 10
U1 17
U2 98
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
EI 1090-2694
J9 J CATAL
JI J. Catal.
PD SEP
PY 2015
VL 329
BP 490
EP 498
DI 10.1016/j.jcat.2015.06.016
PG 9
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA CR3RM
UT WOS:000361250800047
ER
PT J
AU Saha, D
Nelson, K
Chen, JH
Lu, Y
Ozcan, S
AF Saha, Dipendu
Nelson, Karl
Chen, Jihua
Lu, Yuan
Ozcan, Soydan
TI Adsorption of CO2, CH4, and N-2 in Micro-Mesoporous Nanographene: A
Comparative Study
SO JOURNAL OF CHEMICAL AND ENGINEERING DATA
LA English
DT Article
ID PRESSURE SWING ADSORPTION; CARBON-DIOXIDE SEPARATION; BINARY-MIXTURE
ADSORPTION; SIO2/AL2O3 RATIO; ACTIVATED CARBON; GRAPHENE SHEETS;
NATURAL-GAS; FLUE-GAS; METHANE; NITROGEN
AB In this work, we have measured the adsorption isotherms and calculated the equilibrium selectivity for CO2, CH4, and N-2 on micro-mesoporous nanographene at three temperatures of 298 K, 278 K, and 263 K and pressures up to 760 Torr. The nanographene sample possesses a particle size range of 50 rim to 250 nm along with a Brunauer-Emmett-Teller (BET) specific surface area of 514 m(2)/g and total pore volume of 3 cm(3)/g. The pore widths varied from 3.5 angstrom to 8 angstrom in the microporous region and very large distributed widths within 45 A to 250 A in the region of mesoporosity. The calculated equilibrium selectivity of gas separation at 298 K by pressure swing adsorption for CO2/N-2, CO2/CH4, and CH4/N-2 are 55, 8.2, and 6.5, respectively, whereas the adsorption selection parameters for same pair of gases are 540, 101, and 117, respectively. To compare the equilibrium selectivity values with other adsorbents, we have measured the gas adsorption isotherms for CO2, CH4, and N-2 on Maxsorb (a commercial activated carbon with BET surface area 3200 m(2)/g) and calculated the selectivity values for several adsorbents based on their adsorption isotherms reported in the literature. We have found that equilibrium selectivity for all the gas pairs are higher for graphene compared to Maxsorb. We also found that the equilibrium selectivity for CO2/N-2 for graphene is higher than all the carbon-based materials reported so far. The equilibrium selectivity for CO2/CH4 and CH4/N-2 in graphene is also higher than the majority of the adsorbents reported in the literature. Our findings suggest that graphene can serve as a potential adsorbent for gas separation purposes.
C1 [Saha, Dipendu; Nelson, Karl] Widener Univ, Dept Chem Engn, Chester, PA 19013 USA.
[Chen, Jihua] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Lu, Yuan; Ozcan, Soydan] Oak Ridge Natl Lab, Carbon & Composites Grp, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Saha, D (reprint author), Widener Univ, Dept Chem Engn, One Univ Pl, Chester, PA 19013 USA.
EM dsaha@mail.widener.edu
RI Chen, Jihua/F-1417-2011
OI Chen, Jihua/0000-0001-6879-5936
FU School of Engineering of Widener University; American Chemical Society
[54205-UNI10]; Laboratory Directed Research and Development Program of
ORNL; U.S. Department of Energy [DE-AC05-00OR22725]
FX D.S. acknowledges the faculty development award (2014-2015) and provost
grant (2014-2015) from School of Engineering of Widener University. Part
of the work is supported by American Chemical Society sponsored
Petroleum Research Fund (54205-UNI10). TEM and EELS (J.C.) experiments
were conducted at the Center for Nanophase Materials Sciences, Oak Ridge
National Laboratory, which is a DOE Office of Science User Facility.
X-ray photoelectron spectroscopy measurements (Y.L.) were conducted at
ORNL, research was partially sponsored by the Laboratory Directed
Research and Development Program of ORNL, managed by UT-Battelle, LLC,
for the U.S. Department of Energy. Part of this manuscript has been
authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with
the U.S. Department of Energy.
NR 36
TC 2
Z9 2
U1 7
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0021-9568
J9 J CHEM ENG DATA
JI J. Chem. Eng. Data
PD SEP
PY 2015
VL 60
IS 9
BP 2636
EP 2645
DI 10.1021/acs.jced.5b00291
PG 10
WC Thermodynamics; Chemistry, Multidisciplinary; Engineering, Chemical
SC Thermodynamics; Chemistry; Engineering
GA CR3SN
UT WOS:000361253500013
ER
PT J
AU Nakayasu, ES
Sydor, MA
Brown, RN
Sontag, RL
Sobreira, TJP
Slysz, GW
Humphrys, DR
Skarina, T
Onoprienko, O
Di Leo, R
Kaiser, BLD
Li, J
Ansong, C
Cambronne, ED
Smith, RD
Saychenko, A
Adkins, JN
AF Nakayasu, Ernesto S.
Sydor, Michael A.
Brown, Roslyn N.
Sontag, Ryan L.
Sobreira, Tiago J. P.
Slysz, Gordon W.
Humphrys, Daniel R.
Skarina, Tatiana
Onoprienko, Olena
Di Leo, Rosa
Kaiser, Brooke L. Deatherage
Li, Jie
Ansong, Charles
Cambronne, Eric D.
Smith, Richard D.
Saychenko, Alexei
Adkins, Joshua N.
TI Identification of Salmonella Typhimurium Deubiquitinase SseL Substrates
by Immunoaffinity Enrichment and Quantitative Proteomic Analysis
SO JOURNAL OF PROTEOME RESEARCH
LA English
DT Article
DE Ubiquitination; deubiquitinase; post-translational modification;
substrate identification; mass spectrometry
ID TANDEM MASS-SPECTRA; PROTEIN UBIQUITINATION; REVEALS; QUANTIFICATION;
DEGRADATION; VIRULENCE; DELETION; ENZYMES; ROLES
AB Ubiquitination is a key protein post-translational modification that regulates many important cellular pathways and whose levels are regulated by equilibrium between the activities of ubiquitin ligases and deubiquitinases. Here, we present a method to identify specific deubiquitinase substrates based on treatment of cell lysates with recombinant enzymes, immunoaffinity purification, and global quantitative proteomic analysis. As a model system to identify substrates, we used a virulence-related deubiquitinase, SseL, secreted by Salmonella enterica serovar Typhimurium into host cells. Using this approach, two SseL substrates were identified in the RAW 264.7 murine macrophage-like cell line, S100A6 and heterogeneous nuclear ribonuclear protein K, in addition to the previously reported K63-linked ubiquitin chains. These substrates were further validated by a combination of enzymatic and binding assays. This method can be used for the systematic identification of substrates of deubiquitinases from other organisms and applied to study their functions in physiology and disease.
C1 [Nakayasu, Ernesto S.; Sydor, Michael A.; Brown, Roslyn N.; Sontag, Ryan L.; Slysz, Gordon W.; Humphrys, Daniel R.; Kaiser, Brooke L. Deatherage; Ansong, Charles; Smith, Richard D.; Adkins, Joshua N.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Sobreira, Tiago J. P.] Natl Ctr Res Energy & Mat, Natl Lab Biosci LNBio, BR-13083970 Campinas, SP, Brazil.
[Skarina, Tatiana; Onoprienko, Olena; Di Leo, Rosa; Saychenko, Alexei] Univ Toronto, Midwest Ctr Struct Genom, Dept Chem Engn & Appl Chem, Banting & Best Dept Med Res, Toronto, ON M5G 1L6, Canada.
[Li, Jie; Cambronne, Eric D.] Oregon Hlth & Sci Univ, Dept Mol Microbiol & Immunol, Portland, OR 97239 USA.
RP Adkins, JN (reprint author), Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
EM Joshua.Adkins@pnnl.gov
RI Smith, Richard/J-3664-2012; Sobreira, Tiago/C-1276-2008
OI Smith, Richard/0000-0002-2381-2349; Sobreira, Tiago/0000-0002-0217-0084
FU National Institutes of Health [GM094585, GM094623, P41 GM103493-10]; DOE
[DE-AC05-76RLO 1830]
FX This research was funded in part by grants from the National Institutes
of Health, GM094585, GM094623, and P41 GM103493-10. Work was partially
performed in the Environmental Molecular Sciences Laboratory (EMSL), a
DOE-BER national scientific user facility at Pacific Northwest National
Laboratory (PNNL). PNNL is a multiprogram national laboratory operated
by Battelle Memorial Institute for the DOE under contract no.
DE-AC05-76RLO 1830. The authors thank Drs. John Cort, Matt Monroe, and
Vamsi Kodali from Pacific Northwest National Laboratory and George
Niemann and Fred Heffron from Oregon Health & Science University for
their constructive comments, input, and suggestions.
NR 37
TC 1
Z9 1
U1 1
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1535-3893
EI 1535-3907
J9 J PROTEOME RES
JI J. Proteome Res.
PD SEP
PY 2015
VL 14
IS 9
BP 4029
EP 4038
DI 10.1021/acs.jproteome.5b00574
PG 10
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA CR1LU
UT WOS:000361087100055
PM 26147956
ER
PT J
AU Li, CY
Ward, AL
Doris, SE
Pascal, TA
Prendergast, D
Helms, BA
AF Li, Changyi
Ward, Ashleigh L.
Doris, Sean E.
Pascal, Tod A.
Prendergast, David
Helms, Brett A.
TI Polysulfide-Blocking Microporous Polymer Membrane Tailored for Hybrid
Li-Sulfur Flow Batteries
SO NANO LETTERS
LA English
DT Article
DE Polymers of intrinsic microporosity; ion-selective membrane;
size-selective membrane; electrochemical energy storage; redox flow
battery; lithium-sulfur battery
ID GAS SEPARATION MEMBRANES; HIGH-ENERGY-DENSITY; FREE-VOLUME DISTRIBUTION;
INTRINSIC MICROPOROSITY; S BATTERIES; PHOTOVOLTAIC SYSTEMS; SOLVATE
STRUCTURES; PEPTIDE NANOTUBES; GRAPHENE OXIDE; LITHIUM
AB Redox flow batteries (RFBs) present unique opportunities for multi-hour electrochemical energy storage (EES) at low cost. Too often, the barrier for implementing them in large-scale EES is the unfettered migration of redox active species across the membrane, which shortens battery life and reduces Coulombic efficiency. To advance RFBs for reliable EES, a new paradigm for controlling membrane transport selectivity is needed. We show here that size- and ion-selective transport can be achieved using membranes fabricated from polymers of intrinsic microporosity (PIMs). As a proof-of-concept demonstration, a first-generation PIM membrane dramatically reduced polysulfide crossover (and shuttling at the anode) in lithium sulfur batteries, even when sulfur cathodes were prepared as flowable energy-dense fluids. The design of our membrane platform was informed by molecular dynamics simulations of the solvated structures of lithium bis(trifluoromethanesulfonypimide (LiTFSI) vs lithiated polysulfides (Li2Sx, where x = 8, 6, and 4) in glyme-based electrolytes of different oligomer length. These simulations suggested polymer films with pore dimensions less than 1.2-1.7 nm might incur the desired ion-selectivity. Indeed, the polysulfide blocking ability of the PIM-1 membrane (similar to 0.8 nm pores) was improved 500-fold over mesoporous Celgard separators (similar to 17 nm pores). As a result, significantly improved battery performance was demonstrated, even in the absence of LiNO3 anode-protecting additives.
C1 [Li, Changyi; Ward, Ashleigh L.; Doris, Sean E.; Helms, Brett A.] Joint Ctr Energy Storage Res, Berkeley, CA 94720 USA.
[Li, Changyi; Ward, Ashleigh L.; Doris, Sean E.; Pascal, Tod A.; Prendergast, David; Helms, Brett A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA.
[Li, Changyi] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Doris, Sean E.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Helms, BA (reprint author), Joint Ctr Energy Storage Res, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM bahelms@lbl.gov
RI Foundry, Molecular/G-9968-2014
FU Joint Center for Energy Storage Research, an Energy Innovation Hub -
U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences; Department of Defense through the National Defense Science &
Engineering Graduate Fellowship program; Batteries for Advanced
Transportation Technologies program, [DE-AC02-05CH11231]; Office of
Science, Office of Basic Energy Sciences, of the U.S. Department of
Energy [DE-AC02-05CH11231]; Office of Science of the U.S. Department of
Energy
FX We thank D. Sun for assistance with nitrogen adsorption experiments, A.
Bondaz for assistance with ellipsometric porosimetry. E. Wong, S.
Ferreira, P. Chavez, B. Smith, and D. Li for electrode fabrication, and
P. Frischmann and L. C. H. Gerber for helpful discussions. C.L., A.L.W.,
and B.A.H. were supported by the Joint Center for Energy Storage
Research, an Energy Innovation Hub funded by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences. S.E.D. was
supported by the Department of Defense through the National Defense
Science & Engineering Graduate Fellowship program. D.P. and T.A.P.
acknowledge support from the Batteries for Advanced Transportation
Technologies program, administered by the Assistant Secretary for Energy
Efficiency and Renewable Energy, Office of Vehicle Technologies of the
U.S. Department of Energy under Contract DE-AC02-05CH11231. Portions of
the work, including polymer synthesis and characterization, molecular
dynamics simulations, polymer processing, membrane crossover
experiments, and Li S battery performance, were carried out as User
Projects at the Molecular Foundry, which is supported by the Office of
Science, Office of Basic Energy Sciences, of the U.S. Department of
Energy under Contract No. DE-AC02-05CH11231. The computational portion
of this work used resources of the National Energy Research Scientific
Computing Center, a DOE Office of Science User Facility supported by the
Office of Science of the U.S. Department of Energy under the same
contract.
NR 74
TC 19
Z9 19
U1 32
U2 239
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 5724
EP 5729
DI 10.1021/acs.nanolett.5b02078
PG 6
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700009
PM 26237233
ER
PT J
AU He, K
Lin, F
Zhu, YZ
Yu, XQ
Li, J
Lin, RQ
Nordlund, D
Weng, TC
Richards, RM
Yang, XQ
Doeff, MM
Stach, EA
Mo, YF
Xin, HL
Su, D
AF He, Kai
Lin, Feng
Zhu, Yizhou
Yu, Xiqan
Li, Jing
Lin, Ruoqian
Nordlund, Dennis
Weng, Tsu-Chien
Richards, Ryan M.
Yang, Xiao-Qing
Doeff, Marca M.
Stach, Eric A.
Mo, Yifei
Xin, Huolin L.
Su, Dong
TI Sodiation Kinetics of Metal Oxide Conversion Electrodes: A Comparative
Study with Lithiation
SO NANO LETTERS
LA English
DT Article
DE Sodiation; kinetics; nickel oxides; reaction pathways; conversion
electrodes; in situ TEM
ID SODIUM-ION BATTERIES; IN-SITU OBSERVATION; ELECTROCHEMICAL LITHIATION;
RECHARGEABLE BATTERIES; NEGATIVE-ELECTRODE; CARBON NANOFIBERS;
ENERGY-STORAGE; LITHIUM; MICROSCOPY; NANOWIRES
AB The development of sodium ion batteries (NIBs) can provide an alternative to lithium ion batteries (LIBs) for sustainable, low-cost energy storage. However, due to the larger size and higher m/e ratio of the sodium ion compared to lithium, sodiation reactions of candidate electrodes are expected to differ in significant ways from the corresponding lithium ones. In this work, we investigated the sodiation mechanism of a typical transition metal-oxide, NiO, through a set of correlated techniques, including electrochemical and synchrotron studies, real-time electron microscopy observation, and ab initio molecular dynamics (MD) simulations. We found that a crystalline Na2O reaction layer that was formed at the beginning of sodiation plays an important role in blocking the further transport of sodium ions. In addition, sodiation in NiO exhibits a "shrinking-core" mode that results from a layer-by-layer reaction, as identified by ab initio MD simulations. For lithiation, however, the formation of Li antisite defects significantly distorts the local NiO lattice that facilitates Li insertion, thus enhancing the overall reaction rate. These observations delineate the mechanistic difference between sodiation and lithiation in metal-oxide conversion materials. More importantly, our findings identify the importance of understanding the role of reaction layers on the functioning of electrodes and thus provide critical insights into further optimizing NIB materials through surface engineering.
C1 [He, Kai; Li, Jing; Lin, Ruoqian; Stach, Eric A.; Xin, Huolin L.; Su, Dong] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Lin, Feng; Doeff, Marca M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Energy Storage & Distributed Resources Div, Berkeley, CA 94720 USA.
[Zhu, Yizhou; Mo, Yifei] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA.
[Yu, Xiqan; Yang, Xiao-Qing] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Nordlund, Dennis; Weng, Tsu-Chien] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.
[Richards, Ryan M.] Colorado Sch Mines, Mat Sci Program, Dept Chem & Geochem, Golden, CO 80401 USA.
RP Mo, YF (reprint author), Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA.
EM yfmo@umd.edu; hxin@bnl.gov; dsu@bnl.gov
RI Stach, Eric/D-8545-2011; Richards, Ryan/B-3513-2008; He,
Kai/B-9535-2011; Su, Dong/A-8233-2013; Xin, Huolin/E-2747-2010;
Nordlund, Dennis/A-8902-2008; Yu, Xiqian/B-5574-2014; Mo,
Yifei/F-5671-2011
OI Stach, Eric/0000-0002-3366-2153; Doeff, Marca/0000-0002-2148-8047; He,
Kai/0000-0003-4666-1800; Su, Dong/0000-0002-1921-6683; Xin,
Huolin/0000-0002-6521-868X; Nordlund, Dennis/0000-0001-9524-6908; Yu,
Xiqian/0000-0001-8513-518X; Mo, Yifei/0000-0002-8162-4629
FU U.S. DOE Office of Science Facility, at Brookhaven National Laboratory
[DE-SC0012704]; Energy Efficiency and Renewable Energy, Office of
Vehicle Technologies of the U.S. DOE under the Batteries for Advanced
Transportation Technologies (BATT) Program [AC02-05CH11231]; U.S. DOE
[DE-AC02-76SF00515]; U.S. DOE; Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of Vehicle Technologies [DE-SC00112704];
Minta Martin award at the University of Maryland; National Science
Foundation [TG-DMR130142]; University of Maryland
FX The authors thank Prof. Ju Li and Prof. Andrew Rappe for helpful
discussions, and thank Dr. Woodhead for proofreading. This research used
resources of the Center for Functional Nanomaterials, which is a U.S.
DOE Office of Science Facility, at Brookhaven National Laboratory under
Contract No. DE-SC0012704. F.L. and M.M.D. were supported by the
Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of Vehicle Technologies of the U.S. DOE under Contract No.
DE-AC02-05CH11231 under the Batteries for Advanced Transportation
Technologies (BATT) Program. The synchrotron X-ray work carried out at
the Stanford Synchrotron Radiation Lightsource, SLAC National
Accelerator Laboratory, was supported by the U.S. DOE under Contract No.
DE-AC02-76SF00515. X.Y. and X.-Q.Y. were supported by the U.S. DOE, the
Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of Vehicle Technologies under Contract No. DE-SC00112704. Y.Z. and Y.M.
acknowledge the support of the Minta Martin award at the University of
Maryland, and the computational resources from the Extreme Science and
Engineering Discovery Environment (XSEDE) supported by National Science
Foundation Grant No. TG-DMR130142 and from the University of Maryland
supercomputing resources.
NR 34
TC 19
Z9 19
U1 21
U2 147
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 5755
EP 5763
DI 10.1021/acs.nanolett.5b01709
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700014
PM 26288360
ER
PT J
AU Vo, TH
Perera, UGE
Shekhirev, M
Pour, MM
Kunkel, DA
Lu, HD
Gruverman, A
Sutter, E
Cotlet, M
Nykypanchuk, D
Zahl, P
Enders, A
Sinitskii, A
Sutter, P
AF Vo, Timothy H.
Perera, U. Gayani E.
Shekhirev, Mikhail
Pour, Mohammad Mehdi
Kunkel, Donna A.
Lu, Haidong
Gruverman, Alexei
Sutter, Eli
Cotlet, Mircea
Nykypanchuk, Dmytro
Zahl, Percy
Enders, Axel
Sinitskii, Alexander
Sutter, Peter
TI Nitrogen-Doping Induced Self-Assembly of Graphene Nanoribbon-Based
Two-Dimensional and Three-Dimensional Metamaterials
SO NANO LETTERS
LA English
DT Article
DE Graphene; nanoribbons; metamaterials; doping; self-assembly
ID BAND-GAP; CRYSTALS; SUPERLATTICES; NANOPARTICLES; NANOCRYSTALS; SHEETS;
STATE; EDGE
AB Narrow graphene nanoribbons (GNRs) constructed by atomically precise bottom-up synthesis from molecular precursors have attracted significant interest as promising materials for nanoelectronics. But there has been little awareness of the potential of GNRs to serve as nanoscale building blocks of novel materials. Here we show that the substitutional doping with nitrogen atoms can trigger the hierarchical self-assembly of GNRs into ordered metamaterials. We use GNRs doped with eight N atoms per unit cell and their undoped analogues, synthesized using both surface-assisted and solution approaches, to study this self-assembly on a support and in an unrestricted three-dimensional (3D) solution environment. On a surface, N-doping mediates the formation of hydrogen-bonded GNR sheets. In solution, sheets of side-by-side coordinated GNRs can in turn assemble via van der Waals and pi-stacking interactions into 3D stacks, a process that ultimately produces macroscopic crystalline structures. The optoelectronic properties of these semiconducting GNR crystals are determined entirely by those of the individual nanoscale constituents, which are tunable by varying their width, edge orientation, termination, and so forth. The atomically precise bottom-up synthesis of bulk quantities of basic nanoribbon units and their subsequent self-assembly into crystalline structures suggests that the rapidly developing toolset of organic and polymer chemistry can be harnessed to realize families of novel carbon-based materials with engineered properties.
C1 [Vo, Timothy H.; Shekhirev, Mikhail; Pour, Mohammad Mehdi; Sinitskii, Alexander] Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA.
[Perera, U. Gayani E.; Sutter, Eli; Cotlet, Mircea; Nykypanchuk, Dmytro; Zahl, Percy; Sutter, Peter] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Kunkel, Donna A.; Lu, Haidong; Gruverman, Alexei; Enders, Axel] Univ Nebraska, Dept Phys, Lincoln, NE 68588 USA.
[Gruverman, Alexei; Enders, Axel; Sinitskii, Alexander] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68588 USA.
[Sutter, Eli] Univ Nebraska, Dept Mech & Mat Engn, Lincoln, NE 68588 USA.
[Sutter, Peter] Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68588 USA.
RP Sinitskii, A (reprint author), Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA.
EM sinitskii@unl.edu; psutter@bnl.gov
RI Sinitskii, Alexander/J-6619-2015
OI Sinitskii, Alexander/0000-0002-8688-3451
FU National Science Foundation (NSF) [CHE-1455330]; NSF through the
Nebraska Materials Research Science and Engineering Center (MRSEC)
[DMR-1420645]; U.S. DOE Office of Science Facility, at Brookhaven
National Laboratory [DE-SC0012704]
FX The research on GNR synthesis was supported by the National Science
Foundation (NSF) through Grant CHE-1455330. Characterization of
solution-synthesized GNRs by scanning probe microscopy was supported by
the NSF through the Nebraska Materials Research Science and Engineering
Center (MRSEC, DMR-1420645). This research used resources of the Center
for Functional Nanomaterials, which is a U.S. DOE Office of Science
Facility, at Brookhaven National Laboratory under Contract No.
DE-SC0012704.
NR 48
TC 8
Z9 8
U1 23
U2 132
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 5770
EP 5777
DI 10.1021/acs.nanolett.5b01723
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700016
PM 26258628
ER
PT J
AU Li, B
Shi, G
Lei, SD
He, YM
Gao, WL
Gong, YJ
Ye, GL
Zhou, W
Keyshar, K
Hao, J
Dong, P
Ge, LH
Lou, J
Kono, J
Vajtai, R
Ajayan, PM
AF Li, Bo
Shi, Gang
Lei, Sidong
He, Yongmin
Gao, Weilu
Gong, Yongji
Ye, Gonglan
Zhou, Wu
Keyshar, Kunttal
Hao, Ji
Dong, Pei
Ge, Liehui
Lou, Jun
Kono, Junichiro
Vajtai, Robert
Ajayan, Pulickel M.
TI 3D Band Diagram and Photoexcitation of 2D-3D Semiconductor
Heterojunctions
SO NANO LETTERS
LA English
DT Article
DE MoS2-Si heterojunction; band diagram; exciton relaxation; charge
generation
ID FIELD-EFFECT TRANSISTORS; SINGLE-LAYER MOS2; P-N-JUNCTIONS;
2-DIMENSIONAL MATERIALS; MONOLAYER MOS2; ATOMIC LAYERS; SOLAR-CELLS;
HETEROSTRUCTURES; GRAPHENE; PHOTODETECTORS
AB The emergence of a rich variety of two-dimensional (2D) layered semiconductor materials has enabled the creation of atomically thin heterojunction devices. Junctions between atomically thin 2D layers and 3D bulk semiconductors can lead to junctions that are fundamentally electronically different from the covalently bonded conventional semiconductor junctions. Here we propose a new 3D band diagram for the heterojunction formed between n-type monolayer MoS2 and p-type Si, in which the conduction and valence band-edges of the MoS2 monolayer are drawn for both stacked and in-plane directions. This new band diagram helps visualize the flow of charge carriers inside the device in a 3D manner. Our detailed wavelength-dependent photocurrent measurements fully support the diagrams and unambiguously show that the band alignment is type I for this 2D-3D heterojunction. Photogenerated electron hole pairs in the atomically thin monolayer are separated and driven by an external bias and control the "on/off" states of the junction photodetector device. Two photoresponse regimes with fast and slow relaxation are also revealed in time-resolved photocurrent measurements, suggesting the important role played by charge trap states.
C1 [Li, Bo; Shi, Gang; Lei, Sidong; He, Yongmin; Ye, Gonglan; Keyshar, Kunttal; Dong, Pei; Ge, Liehui; Lou, Jun; Kono, Junichiro; Vajtai, Robert; Ajayan, Pulickel M.] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA.
[Gao, Weilu; Kono, Junichiro] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA.
[Gao, Weilu; Kono, Junichiro] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA.
[Gong, Yongji] Rice Univ, Dept Chem, Houston, TX 77005 USA.
[He, Yongmin] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Gansu, Peoples R China.
[Zhou, Wu] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Hao, Ji] Northeastern Univ, Dept Mech & Ind Engn, Boston, MA 02115 USA.
RP Kono, J (reprint author), Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA.
EM kono@rice.edu; robert.vajtai@rice.edu; ajayan@rice.edu
RI Ge, Liehui/N-7881-2015; Zhou, Wu/D-8526-2011; Lei, Sidong/A-8600-2016;
Dong, Pei/G-4405-2012; Gong, Yongji/L-7628-2016; Gao, Weilu/O-7521-2016
OI Ge, Liehui/0000-0002-1990-5681; Zhou, Wu/0000-0002-6803-1095; Lei,
Sidong/0000-0001-9129-2202;
FU U.S. Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division; ORNL's Center for Nanophase
Materials Sciences (CNMS), a DOE Office of Science User Facility
FX We thank Ali Sobhani, Naomi Halas, Gary Woods, and Alexey Belyanin for
helpful discussions. W.Z. acknowledges support from the U.S. Department
of Energy, Office of Science, Basic Energy Sciences, Materials Sciences
and Engineering Division, and a user project at ORNL's Center for
Nanophase Materials Sciences (CNMS), which is a DOE Office of Science
User Facility.
NR 39
TC 6
Z9 6
U1 9
U2 95
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 5919
EP 5925
DI 10.1021/acs.nanolett.5b02012
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700039
PM 26280193
ER
PT J
AU Robertson, AW
Lee, GD
He, K
Fan, Y
Allen, CS
Lee, S
Kim, H
Yoon, E
Zheng, HM
Kirkland, AI
Warner, JH
AF Robertson, Alex W.
Lee, Gun-Do
He, Kuang
Fan, Ye
Allen, Christopher S.
Lee, Sungwoo
Kim, Heeyeon
Yoon, Euijoon
Zheng, Haimei
Kirkland, Angus I.
Warner, Jamie H.
TI Partial Dislocations in Graphene and Their Atomic Level Migration
Dynamics
SO NANO LETTERS
LA English
DT Article
DE Graphene; TEM; dislocations; defects
ID BORON-NITRIDE; SILICON
AB We demonstrate the formation of partial dislocations in graphene at elevated temperatures of >= 500 degrees C with single atom resolution aberration corrected transmission electron microscopy. The partial dislocations spatially redistribute strain in the lattice, providing an energetically more favorable configuration to the perfect dislocation. Low-energy migration paths mediated by partial dislocation formation have been observed, providing insights into the atomistic dynamics of graphene during annealing. These results are important for understanding the high temperature plasticity of graphene and partial dislocation behavior in related crystal systems, such as diamond cubic materials.
C1 [Robertson, Alex W.; He, Kuang; Fan, Ye; Allen, Christopher S.; Kirkland, Angus I.; Warner, Jamie H.] Univ Oxford, Dept Mat, Oxford OX1 3PH, England.
[Lee, Gun-Do; Lee, Sungwoo; Yoon, Euijoon] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul, South Korea.
[Kim, Heeyeon] Korean Inst Energy Res, Energy Mat Lab, Taejon 305343, South Korea.
[Zheng, Haimei] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Robertson, AW (reprint author), Univ Oxford, Dept Mat, Parks Rd, Oxford OX1 3PH, England.
EM alex.robertson2@materials.ox.ac.uk; jamie.warner@materials.ox.ac.uk
RI Robertson, Alex/J-5321-2014; Lee, Gun-Do/L-1259-2013; Lee,
Sungwoo/B-8638-2015;
OI Robertson, Alex/0000-0002-9521-6482; Lee, Gun-Do/0000-0001-8328-8625;
Lee, Sungwoo/0000-0002-1470-3466; Allen, Christopher/0000-0002-6353-6000
FU Royal Society; Balliol College, Oxford; EPSRC [EP/F048009/1,
EP/K032518/1, EP/H001972/1, EP/F028784/1]; Supercomputing Center/Korea
Institute of Science and Technology Information [KSC-2014-C3-009]; BK21
plus program; National Research Foundation of Korea (NRF) - Korea
government (RIAM) [2010-0012670]
FX J.H.W. expresses thanks for the support from the Royal Society and
Balliol College, Oxford. A.W.R. has been supported by EPSRC (Platform
Grants EP/F048009/1 and EP/K032518/1). Financial support from EPSRC
(Grants EP/H001972/1 and EP/F028784/1) is acknowledged. G.-D.L. and E.Y.
acknowledge support from the Supercomputing Center/Korea Institute of
Science and Technology Information with supercomputing resources
(KSC-2014-C3-009), from the BK21 plus program, and from the National
Research Foundation of Korea (NRF) grant funded by the Korea government
(RIAM No. 2010-0012670).
NR 31
TC 7
Z9 7
U1 8
U2 39
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 5950
EP 5955
DI 10.1021/acs.nanolett.5b02080
PG 6
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700044
PM 26313338
ER
PT J
AU Zheng, JX
Hou, YY
Duan, YD
Song, XH
Wei, Y
Liu, TC
Hu, JT
Guo, H
Zhuo, ZQ
Liu, LL
Chang, Z
Wang, XW
Zherebetskyy, D
Fang, YY
Lin, Y
Xu, K
Wang, LW
Wu, YP
Pan, F
AF Zheng, Jiaxin
Hou, Yuyang
Duan, Yandong
Song, Xiaohe
Wei, Yi
Liu, Tongchao
Hu, Jiangtao
Guo, Hua
Zhuo, Zengqing
Liu, Lili
Chang, Zheng
Wang, Xiaowei
Zherebetskyy, Danylo
Fang, Yanyan
Lin, Yuan
Xu, Kang
Wang, Lin-Wang
Wu, Yuping
Pan, Feng
TI Janus Solid-Liquid Interface Enabling Ultrahigh Charging and Discharging
Rate for Advanced Lithium-Ion Batteries
SO NANO LETTERS
LA English
DT Article
DE LiFePO4; rate performance; aqueous electrolyte; organic electrolyte;
solid-liquid interface; ab initio calculations
ID INITIO MOLECULAR-DYNAMICS; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE
METHOD; RECHARGEABLE BATTERIES; ELECTROLYTE-SOLUTIONS; LIFEPO4 CATHODES;
RATE CAPABILITY; PARTICLE-SIZE; BASIS-SET; STORAGE
AB LiFePO4 has long been held as one of the most promising battery cathode for its high energy storage capacity. Meanwhile, although extensive studies have been conducted on the interfacial chemistries in Li-ion batteries,(1-3) little is known on the atomic level about the solid-liquid interface of LiFePO4/electrolyte. Here, we report battery cathode consisted with nanosized LiFePO4 particles in aqueous electrolyte with an high charging and discharging rate of 600 C (3600/600 = 6 s charge time, 1 C = 170 mAh g(-)1) reaching 72 mAh g(-1) energy storage (42% of the theoretical capacity). By contrast, the accessible capacity sharply decreases to 20 mAh g(-1) at 200 C in organic electrolyte. After a comprehensive electrochemistry tests and ab initio calculations of the LiFePO4-H2O and LiFePO4-EC (ethylene carbonate) systems, we identified the transient formation of a Janus hydrated interface in the LiFePO4-H2O system, where the truncated symmetry of solid LiFePO4 surface is compensated by the chemisorbed H2O molecules, forming a half-solid (LiFePO4) and half-liquid (H2O) amphiphilic coordination environment that eases the Li desolvation process near the surface, which makes a fast Li-ion transport across the solid/liquid interfaces possible.
C1 [Zheng, Jiaxin; Song, Xiaohe; Wei, Yi; Liu, Tongchao; Hu, Jiangtao; Guo, Hua; Zhuo, Zengqing; Pan, Feng] Peking Univ, Shenzhen Grad Sch, Sch Adv Mat, Shenzhen 518055, Peoples R China.
[Hou, Yuyang; Wu, Yuping] Nanjing Tech Univ, Coll Energy, Nanjing 211816, Jiangsu, Peoples R China.
[Hou, Yuyang; Liu, Lili; Chang, Zheng; Wang, Xiaowei; Wu, Yuping] Fudan Univ, Dept Chem, New Energy & Mat Lab, Shanghai 200433, Peoples R China.
[Hou, Yuyang; Liu, Lili; Chang, Zheng; Wang, Xiaowei; Wu, Yuping] Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China.
[Zherebetskyy, Danylo; Wang, Lin-Wang] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Fang, Yanyan; Lin, Yuan] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Photochem, Beijing 100190, Peoples R China.
[Xu, Kang] US Army, Res Lab, Electrochem Branch, Adelphi, MD 20783 USA.
RP Wu, YP (reprint author), Nanjing Tech Univ, Coll Energy, Nanjing 211816, Jiangsu, Peoples R China.
EM wuyp@fudan.edu.cn; panfeng@pkusz.edu.cn
RI Duan, Yandong/I-4206-2013; Wu, Yuping/H-1593-2011; lin, yuan/G-9390-2013
OI Wu, Yuping/0000-0002-0833-1205; lin, yuan/0000-0003-3410-3588
FU National Project for EV Batteries (OptimumNano, Shenzhen) [20121110];
National Distinguished Young Scientists of China [51425301]; STCSM
[12JC1401200]; Guangdong Innovation Team Project [2013N080]; Shenzhen
Science and Technology Research Grant [ZDSY20130331145131323,
CXZZ20120829172325895]; Office of Science (SC), Basic Energy Science
(BES)/Materials Science and Engineering Division (MSED) of the U.S.
Department of Energy (DOE) [DE-AC02-05CH11231]; ShenZhen National Super
Computing Center
FX The research was financially supported by National Project for EV
Batteries (20121110, OptimumNano, Shenzhen), National Distinguished
Young Scientists of China (51425301), STCSM (12JC1401200), Guangdong
Innovation Team Project (No. 2013N080), and Shenzhen Science and
Technology Research Grant (No. ZDSY20130331145131323 and
CXZZ20120829172325895). L.W.W. is supported through the Theory of
Material project by the Director, Office of Science (SC), Basic Energy
Science (BES)/Materials Science and Engineering Division (MSED) of the
U.S. Department of Energy (DOE) under the contract No.
DE-AC02-05CH11231. Additionally, we acknowledge the support of ShenZhen
National Super Computing Center.
NR 53
TC 12
Z9 12
U1 21
U2 138
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 6102
EP 6109
DI 10.1021/acs.nanolett.5b02379
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700068
PM 26305572
ER
PT J
AU Kuang, YD
Lindsay, L
Huang, BL
AF Kuang, Youdi
Lindsay, Lucas
Huang, Baoling
TI Unusual Enhancement in Intrinsic Thermal Conductivity of Multi layer
Graphene by Tensile Strains
SO NANO LETTERS
LA English
DT Article
DE Tensile strain; density functional tight binding; thermal conductivity;
multilayer graphene; phonon thermal transport
ID HEXAGONAL BORON-NITRIDE; PHONON-DISPERSION; LATTICE-DYNAMICS; AB-INITIO;
TRANSPORT; DEPOSITION; SCATTERING; GRAPHITE
AB Using the Boltzmann-Peierls equation for phonon transport approach with the inputs of interatomic force constants from the self-consistent charge density functional tight binding method, we calculate the room-temperature in-plane lattice thermal conductivities k of multilayer graphene (up to four layers) and graphite under different isotropic tensile strains. The calculated in-plane k of graphite, finite monolayer graphene and 3-layer graphene agree well with previous experiments. For unstrained graphene systems, both the intrinsic k and the extent of the diffusive transport regime present a drastic dimensional transition in going from monolayer to 2-layer graphene and thereafter a gradual transition to the graphite limit. We find a peak enhancement of intrinsic k for multilayer graphene and graphite with increasing strain with the largest enhancement amplitude similar to 40%. Competition between the decreased mode heat capacities and the increased lifetimes of flexural phonons with increasing strain contribute to this k behavior. Similar k behavior is observed for 2-layer hexagonal boron nitride systems. This study provides insights into engineering k of multilayer graphene and boron nitride by strain and into the nature of thermal transport in quasi-two-dimensional and highly anisotropic systems.
C1 [Kuang, Youdi] Shanghai Second Polytech Univ, Coll Engn, Shanghai, Peoples R China.
[Kuang, Youdi; Huang, Baoling] Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, Kowloon, Hong Kong, Peoples R China.
[Lindsay, Lucas] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Kuang, YD (reprint author), Shanghai Second Polytech Univ, Coll Engn, Shanghai, Peoples R China.
EM kuangzhang88@gmail.com
RI Lindsay, Lucas/C-9221-2012; Huang, Baoling/G-8685-2011
OI Lindsay, Lucas/0000-0001-9645-7993; Huang, Baoling/0000-0001-7507-5371
FU Hong Kong General Research Fund [623212, 613413]; U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences, Materials
Sciences and Engineering Division
FX We are thankful for the financial support from the Hong Kong General
Research Fund under Grant Nos. 623212 and 613413. L.L. acknowledges
support from the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences, Materials Sciences and Engineering Division for
work done at ORNL.
NR 45
TC 14
Z9 14
U1 11
U2 82
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 6121
EP 6127
DI 10.1021/acs.nanolett.5b02403
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700071
PM 26241731
ER
PT J
AU Gong, YJ
Lei, SD
Ye, GL
Li, B
He, YM
Keyshar, K
Zhang, X
Wang, QZ
Lou, J
Liu, Z
Vajtai, R
Zhou, W
Ajayan, PM
AF Gong, Yongji
Lei, Sidong
Ye, Gonglan
Li, Bo
He, Yongmin
Keyshar, Kunttal
Zhang, Xiang
Wang, Qizhong
Lou, Jun
Liu, Zheng
Vajtai, Robert
Zhou, Wu
Ajayan, Pulickel M.
TI Two-Step Growth of Two-Dimensional WSe2/MoSe2 Heterostructures
SO NANO LETTERS
LA English
DT Article
DE 2D heterostructures; two-step growth; MoSe2; WSe2; CVD
ID HEXAGONAL BORON-NITRIDE; CHEMICAL-VAPOR-DEPOSITION; INPLANE
HETEROSTRUCTURES; MOLYBDENUM-DISULFIDE; SINGLE-LAYER; EPITAXIAL-GROWTH;
MONOLAYER WSE2; ATOMIC LAYERS; GRAPHENE; MOS2
AB Two dimensional (2D) materials have attracted great attention due to their unique properties and atomic thickness. Although various 2D materials have been successfully synthesized with different optical and electrical properties, a strategy for fabricating 2D heterostructures must be developed in order to construct more complicated devices for practical applications. Here we demonstrate for the first time a two-step chemical vapor deposition (CVD) method for growing transition-metal dichalcogenide (TMD) heterostructures, where MoSe2 was synthesized first and followed by an epitaxial growth of WSe2 on the edge and on the top surface of MoSe2. Compared to previously reported one-step growth methods, this two-step growth has the capability of spatial and size control of each 2D component, leading to much larger (up to 169 mu m) heterostructure size, and cross-contamination can be effectively minimized. Furthermore, this two-step growth produces well-defined 2H and 3R stacking in the WSe2/MoSe2 bilayer regions and much sharper in-plane interfaces than the previously reported MoSe2/WSe2 heterojunctions obtained from one-step growth methods. The resultant heterostructures with WSe2/MoSe2 bilayer and the exposed MoSe2 monolayer display rectification characteristics of a p-n junction, as revealed by optoelectronic tests, and an internal quantum efficiency of 91% when functioning as a photodetector. A photovoltaic effect without any external gates was observed, showing incident photon to converted electron (IPCE) efficiencies of approximately 0.12%, providing application potential in electronics and energy harvesting.
C1 [Gong, Yongji; Ajayan, Pulickel M.] Rice Univ, Dept Chem, Houston, TX 77005 USA.
[Gong, Yongji; Lei, Sidong; Ye, Gonglan; Li, Bo; He, Yongmin; Keyshar, Kunttal; Zhang, Xiang; Wang, Qizhong; Lou, Jun; Vajtai, Robert; Ajayan, Pulickel M.] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA.
[Liu, Zheng] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore.
[Zhou, Wu] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Zhou, W (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM wu.zhou.stem@gmail.com; ajayan@rice.edu
RI Zhou, Wu/D-8526-2011; Lei, Sidong/A-8600-2016; Gong, Yongji/L-7628-2016
OI Zhou, Wu/0000-0002-6803-1095; Lei, Sidong/0000-0001-9129-2202;
FU Army Research Office MURI [W911NF-11-1-0362]; FAME Center, one of six
centers of STARnet, a Semiconductor Research Corporation; MARCO; DARPA;
U.S. Department of Energy, Office of Science, Basic Energy Science,
Materials Sciences and Engineering Division; U.S. Office of Naval
Research MURI [N000014-09-1-1066]; ORNL's Center for Nanophase Materials
Sciences (CNMS), which is a DOE Office of Science User Facility; Air
Force Office of Scientific Research (AFOSR) [BAA-AFOSR-2013-0001]
FX This work was supported by the Army Research Office MURI Grant
W911NF-11-1-0362, the FAME Center, one of six centers of STARnet, a
Semiconductor Research Corporation program sponsored by MARCO and DARPA,
by the U.S. Department of Energy, Office of Science, Basic Energy
Science, Materials Sciences and Engineering Division (W.Z.), the U.S.
Office of Naval Research MURI Grant N000014-09-1-1066, and a user
project at ORNL's Center for Nanophase Materials Sciences (CNMS), which
is a DOE Office of Science User Facility. This work was also funded by
the Air Force Office of Scientific Research (AFOSR) Grant No.
BAA-AFOSR-2013-0001.
NR 35
TC 43
Z9 43
U1 68
U2 399
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 6135
EP 6141
DI 10.1021/acs.nanolett.5b02423
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700073
PM 26237631
ER
PT J
AU Zhu, ZH
Zhou, YF
Yan, PF
Vemuri, RS
Xu, W
Zhao, R
Wang, XL
Thevuthasan, S
Baer, DR
Wang, CM
AF Zhu, Zihua
Zhou, Yufan
Yan, Pengfei
Vemuri, Rama Sesha
Xu, Wu
Zhao, Rui
Wang, Xuelin
Thevuthasan, Suntharampillai
Baer, Donald R.
Wang, Chong-Min
TI In Situ Mass Spectrometric Determination of Molecular Structural
Evolution at the Solid Electrolyte Interphase in Lithium-Ion Batteries
SO NANO LETTERS
LA English
DT Article
DE In situ liquid SIMS; solid-liquid interface; molecular structural
evolution; lithium ion battery; SEI layers
ID GRAPHITE/ELECTROLYTE INTERFACE; NONAQUEOUS ELECTROLYTES; SOLVATION
SHEATH; TOF-SIMS; MICROSCOPY; GROWTH; LI+; VISUALIZATION; CHALLENGES;
DEPOSITION
AB Dynamic structural and chemical evolution at solid-liquid electrolyte interface is always a mystery for a rechargeable battery due to the challenge to directly probe a solid-liquid interface under reaction conditions. We describe the creation and usage of in situ liquid secondary ion mass spectroscopy (SIMS) for the first time to directly observe the molecular structural evolution at the solid-liquid electrolyte interface for a lithium (Li)-ion battery under dynamic operating conditions. We have discovered that the deposition of Li metal on copper electrode leads to the condensation of solvent molecules around the electrode. Chemically, this layer of solvent condensate tends to be depleted of the salt anions and with reduced concentration of Li+ ions, essentially leading to the formation of a lean electrolyte layer adjacent to the electrode and therefore contributing to the overpotential of the cell. This observation provides unprecedented molecular level dynamic information on the initial formation of the solid electrolyte interphase (SEI) layer. The present work also ultimately opens new avenues for implanting the in situ liquid SIN'S concept to probe the chemical reaction process that intimately involves solid-liquid interface, such as electrocatalysis, electrodeposition, biofuel conversion, biofilm, and biomineralization.
C1 [Zhu, Zihua; Zhou, Yufan; Yan, Pengfei; Vemuri, Rama Sesha; Zhao, Rui; Thevuthasan, Suntharampillai; Baer, Donald R.; Wang, Chong-Min] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Xu, Wu] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
[Xu, Wu; Wang, Chong-Min] Pacific NW Natl Lab, Joint Ctr Energy Storage Res, Richland, WA 99352 USA.
[Zhou, Yufan; Wang, Xuelin] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R China.
[Zhou, Yufan; Wang, Xuelin] Shandong Univ, Key Lab Particle Phys & Particle Irradiat MOE, Jinan 250100, Peoples R China.
RP Zhu, ZH (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
EM Zihua.Zhu@pnnl.gov; Chongmin.Wang@pnnl.gov
RI yan, pengfei/E-4784-2016; Zhu, Zihua/K-7652-2012;
OI yan, pengfei/0000-0001-6387-7502; wang, xue-lin/0000-0001-5750-6035; Xu,
Wu/0000-0002-2685-8684
FU Joint Center for Energy Storage Research (JCESR), an Energy Innovation
Hub - Department of Energy, Office of Science, Basic Energy Sciences;
Office of Vehicle Technologies of the U.S. Department of Energy
[DE-AC02-05CH11231, 6951379]; U.S. Department of Energy (DOE) [DE-AC05-
76RL01830]; Department of Energy's Office of Biological and
Environmental Research
FX The authors appreciate the beneficial discussion with Dr. Kang Xu of
Army Research Laboratory. This work was supported by Joint Center for
Energy Storage Research (JCESR), an Energy Innovation Hub funded by the
Department of Energy, Office of Science, Basic Energy Sciences. The
development of the in situ and operando SIMS concept and device were
supported by the Chemical Imaging Initiative, a Laboratory Directed
Research and Development Program at Pacific Northwest National
Laboratory (PNNL). The fabrication of the in situ TEM and in situ SIMS
cell was supported by the Assistant Secretary for Energy Efficiency and
Renewable Energy, Office of Vehicle Technologies of the U.S. Department
of Energy under Contract No. DE-AC02-05CH11231, Subcontract No. 6951379
under the advanced Battery Materials Research (BMR) program. PNNL is a
multiprogram national laboratory operated by Battelle for the U.S.
Department of Energy (DOE) under Contract DE-AC05- 76RL01830. The
research was performed using the Environmental Molecular Sciences
Laboratory (EMSL), a national scientific user facility sponsored by the
Department of Energy's Office of Biological and Environmental Research
and located at PNNL.
NR 29
TC 10
Z9 10
U1 11
U2 96
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 6170
EP 6176
DI 10.1021/acs.nanolett.5b02479
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700078
PM 26287361
ER
PT J
AU Qiu, J
Zeng, GT
Ha, MA
Ge, MY
Lin, YJ
Hettick, M
Hou, BY
Alexandrova, AN
Javey, A
Cronin, SB
AF Qiu, Jing
Zeng, Guangtong
Ha, Mai-Anh
Ge, Mingyuan
Lin, Yongjing
Hettick, Mark
Hou, Bingya
Alexandrova, Anastassia N.
Javey, Ali
Cronin, Stephen B.
TI Artificial Photosynthesis on TiO2-Passivated InP Nanopillars
SO NANO LETTERS
LA English
DT Article
DE Photoelectrochemical; InP; copper; CO2 reduction; TiO2-passivation;
methanol
ID AQUEOUS CARBON-DIOXIDE; JUNCTION SOLAR-CELLS; TIO2 110 SURFACE;
ELECTROCHEMICAL REDUCTION; GAP PHOTOCATALYSTS; GALLIUM-PHOSPHIDE; WATER
OXIDATION; METHANOL; COPPER; DENSITY
AB Here, we report photocatalytic CO2 reduction with water to produce methanol using TiO2-passivated InP nanopillar photocathodes under 532 nm wavelength illumination. In addition to providing a stable photocatalytic surface, the TiO2-passivation layer provides substantial enhancement in the photoconversion efficiency through the introduction of O vacancies associated with the nonstoichiometric growth of TiO2 by atomic layer deposition. Plane wave-density functional theory (PW-DFT) calculations confirm the role of oxygen vacancies in the TiO2 surface, which serve as catalytically active sites in the CO2 reduction process. PW-DFT shows that CO2 binds stably to these oxygen vacancies and CO2 gains an electron (-0.897e) spontaneously from the TiO2 support. This calculation indicates that the O vacancies provide active sites for CO2 absorption, and no overpotential is required to form the CO2- intermediate. The TiO2 film increases the Faraday efficiency of methanol production by 5.7X to 4.79% under an applied potential of -0.6 V vs NHE, which is 1.3 V below the E degrees(CO2/CO2-) = -1.9 eV standard redox potential. Copper nanoparticles deposited on the TiO2 act as a cocatalyst and further improve the selectivity and yield of methanol production by up to 8-fold with a Faraday efficiency of 8.7%.
C1 [Zeng, Guangtong; Ge, Mingyuan; Cronin, Stephen B.] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA.
[Qiu, Jing] Univ So Calif, Dept Mat Sci, Los Angeles, CA 90089 USA.
[Hou, Bingya; Cronin, Stephen B.] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA.
[Ha, Mai-Anh; Alexandrova, Anastassia N.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90025 USA.
[Lin, Yongjing; Hettick, Mark; Alexandrova, Anastassia N.] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90025 USA.
[Javey, Ali] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Cronin, SB (reprint author), Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA.
EM scronin@usc.edu
RI Javey, Ali/B-4818-2013; Qiu, Jing/N-5229-2016
FU ARO [W911NF-14-1-0228]; NSF [CBET-0846725]; Air Force Office of
Scientific Research under AFOSR BRI [FA9550-12-1-0481]; National Science
Foundation [ACI-1053575]
FX This research was supported by ARO Award No. W911NF-14-1-0228 (to J.Q.),
NSF Award No. CBET-0846725 (to G.Z.), and Air Force Office of Scientific
Research under AFOSR BRI Grant FA9550-12-1-0481 (to A.N.A). This work
used the Extreme Science and Engineering Discovery Environment
(XSEDE),33 which is supported by National Science Foundation
grant number ACI-1053575.
NR 34
TC 12
Z9 12
U1 14
U2 97
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 6177
EP 6181
DI 10.1021/acs.nanolett.5b02511
PG 5
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700079
PM 26267352
ER
PT J
AU Li, RP
Bian, KF
Wang, YX
Xu, HW
Hollingsworth, JA
Hanrath, T
Fang, JY
Wang, ZW
AF Li, Ruipeng
Bian, Kaifu
Wang, Yuxuan
Xu, Hongwu
Hollingsworth, Jennifer A.
Hanrath, Tobias
Fang, Jiye
Wang, Zhongwu
TI An Obtuse Rhombohedral Superlattice Assembled by Pt Nanocubes
SO NANO LETTERS
LA English
DT Article
DE Pt nanocube; self-assembly; obtuse rhombohedral; superlattice; SAXS and
WAXS; supercrystallography
ID SHAPE-CONTROLLED SYNTHESIS; COLLOIDAL SUPERPARTICLES;
PHASE-TRANSFORMATION; SILVER NANOCRYSTALS; BUILDING-BLOCKS;
NANOPARTICLES; MONODISPERSE; ATTACHMENT; PARTICLES; FILMS
AB We grew large single three-dimensional supercrystals from colloidal Pt nanocubes (NCs) suspended in hexane. A synchrotron-based two circle diffractometer was used to obtain an unprecedented level of detail from full sets of small/wide-angle X-ray scattering (SAXS/WAXS) patterns. Automatic indexing and simulations of X-ray patterns enabled detailed reconstruction of NC translation and shape orientation within the supercrystals from atomic to mesometric levels. The supercrystal has an obtuse rhombohedral (Rh) superlattice with space group R3m and a trigonal cell angle of 106.2 degrees. Individual NCs orient themselves in a manner of atomic Pt[111] parallel to superlattice Rh[111]. We analyzed the superlattice structure in context of three spatial relationships of proximate NCs including face-to-face, edge-to-edge, and corner-to-corner configurations. Detailed analysis of supercrystal structure reveals nearly direct corner-to-corner contacts and a tight interlocking NC structure. We employed the correlations between strain and lattice distortion and established the first structural correlating mechanism between five superlattice polymorphs to elucidate the superlattice transformations and associated developing pathways. Together, the experimental and modeling results provide comprehensive structural information toward controlling design and efficient materials-processing for large fabrication of nanobased functional materials with tailored structures and desired properties.
C1 [Li, Ruipeng; Wang, Zhongwu] Cornell Univ, Cornell High Energy Synchrotron Source, Ithaca, NY 14853 USA.
[Bian, Kaifu; Hanrath, Tobias] Cornell Univ, Sch Chem & Bimol Engn, Ithaca, NY 14853 USA.
[Wang, Yuxuan; Fang, Jiye] SUNY Binghamton, Dept Chem, Binghamton, NY 13902 USA.
[Xu, Hongwu] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
[Hollingsworth, Jennifer A.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
RP Wang, ZW (reprint author), Cornell Univ, Cornell High Energy Synchrotron Source, Ithaca, NY 14853 USA.
EM zw42@cornell.edu
RI Bian, Kaifu /P-8369-2015; Li, Ruipeng/A-3691-2014;
OI Li, Ruipeng/0000-0001-8176-3138; Xu, Hongwu/0000-0002-0793-6923
FU Laboratory Directed Research and Development (LDRD) program of Los
Alamos National Laboratory; DOE [DE-AC52-06NA25396]; NSF [DMR-1332208]
FX We appreciate technical support from many CHESS staff and invaluable
discussions with many colleagues at Cornell University. Particular
thanks go to Marian Szebenyi and Tiit Lukk for crystallographic
programming indexing and Sol Gruner and Bill Bassett for scientific
inspiration. This work is partially supported by the Laboratory Directed
Research and Development (LDRD) program of Los Alamos National
Laboratory, which is operated by Los Alamos National Security LLC, under
DOE Contract DE-AC52-06NA25396. CHESS is supported by the NSF award
DMR-1332208.
NR 46
TC 15
Z9 15
U1 14
U2 78
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD SEP
PY 2015
VL 15
IS 9
BP 6254
EP 6260
DI 10.1021/acs.nanolett.5b02879
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR3SF
UT WOS:000361252700090
PM 26280872
ER
PT J
AU Birch, M
Singh, B
Dillmann, I
Abriola, D
Johnson, TD
McCutchan, EA
Sonzogni, AA
AF Birch, M.
Singh, B.
Dillmann, I.
Abriola, D.
Johnson, T. D.
McCutchan, E. A.
Sonzogni, A. A.
TI Evaluation of Beta-Delayed Neutron Emission Probabilities and Half-Lives
for Z=2-28
SO NUCLEAR DATA SHEETS
LA English
DT Article
ID NUCLEAR PROPERTIES; ISOTOPES; DECAY; REFERENCES; PRECURSORS
AB We present an evaluation and compilation of beta-delayed neutron probabilities and half-lives for nuclei in the region Z = 2 - 28 (He-8 - Ni-80) This article includes the recommended values of these quantities as well as a compiled list of experimental measurements for each nucleus in the region for which beta-delayed neutron emission is possible. The literature cut-off for this work is August 15th, 2015. Some notable cases as well as new standards for beta-delayed neutron measurements in this mass region are also discussed.
C1 [Birch, M.; Singh, B.] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada.
[Dillmann, I.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Abriola, D.] CNEA, TANDAR Lab, Dept Phys, Buenos Aires, DF, Argentina.
[Johnson, T. D.; McCutchan, E. A.; Sonzogni, A. A.] Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA.
RP Singh, B (reprint author), McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada.
EM ndgroup@mcmaster.ca
FU Office of Nuclear Physics, Office of Science of the U.S. Department of
Energy; Natural Sciences and Engineering Research Council of Canada
(NSERC); Office of Nuclear Physics, Office of Science of the U.S.
Department of Energy [DE-AC02-98CH10886]; Brookhaven Science Associates,
LLC; German Helmholtz association via the Young Investigators project
[VH-NG-627]; Canadian NSERC Grants [SAPIN-2014-00028, RG-PAS
462257-2014]; National Research Council of Canada
FX We would like to thank Stephanie Ciccone for providing us with her chart
of nuclides software for the figures in this work. The work at McMaster
was partly funded by the Office of Nuclear Physics, Office of Science of
the U.S. Department of Energy and by the Natural Sciences and
Engineering Research Council of Canada (NSERC). Work at Brookhaven
National Laboratory was sponsored by the Office of Nuclear Physics,
Office of Science of the U.S. Department of Energy under Contract No.
DE-AC02-98CH10886 with Brookhaven Science Associates, LLC. The work of
I. Dillmann is supported by the German Helmholtz association via the
Young Investigators project VH-NG-627 and the Canadian NSERC Grants
SAPIN-2014-00028 and RG-PAS 462257-2014. TRIUMF receives federal funding
via a contribution agreement through the National Research Council of
Canada. This work has been performed in the framework of a Coordinated
Research Project of the International Atomic Energy Agency (IAEA) on the
"Development of a Reference Database for beta-delayed neutron emission
data".
NR 26
TC 2
Z9 2
U1 0
U2 1
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0090-3752
EI 1095-9904
J9 NUCL DATA SHEETS
JI Nucl. Data Sheets
PD SEP-OCT
PY 2015
VL 128
BP 131
EP 184
DI 10.1016/j.nds.2015.08.002
PG 54
WC Physics, Nuclear
SC Physics
GA CR7AM
UT WOS:000361500000002
ER
PT J
AU Kiedrowski, BC
Brown, FB
Conlin, JL
Favorite, JA
Kahler, AC
Kersting, AR
Parsons, DK
Walker, JL
AF Kiedrowski, Brian C.
Brown, Forrest B.
Conlin, Jeremy L.
Favorite, Jeffrey A.
Kahler, Albert C.
Kersting, Alyssa R.
Parsons, D. Kent
Walker, Jessie L.
TI Whisper: Sensitivity/Uncertainty-Based Computational Methods and
Software for Determining Baseline Upper Subcritical Limits
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
ID MONTE-CARLO; SENSITIVITY; ENDF/B-VII.1; SCALE; MCNP6
AB Nuclear criticality safety analysis using computational methods such as a Monte Carlo method must establish, for a defined area of applicability, an upper subcritical limit (USL), which is a calculated multiplication factor k that can be treated as actually subcritical and is derived from a calculational margin (combination of bias and bias uncertainty) and a margin of subcriticality. Whisper, a nonparametric, extreme-value method based on sensitivity/uncertainty techniques and the associated software are presented. Whisper uses benchmark critical experiments, nuclear data sensitivities from the continuous-energy Monte Carlo transport software MCNP, and nuclear covariance data to set a baseline USL. Comparisons with a traditional parametric approach for validation, which requires benchmark data to be normally distributed, show that Whisper typically obtains similar or more conservative calculational margins; comparisons with a rank-order nonparametric approach show that Whisper obtains less stringent cakulational margins.
C1 [Kiedrowski, Brian C.] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA.
[Kiedrowski, Brian C.; Brown, Forrest B.; Conlin, Jeremy L.; Favorite, Jeffrey A.; Kahler, Albert C.; Kersting, Alyssa R.; Parsons, D. Kent; Walker, Jessie L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kiedrowski, BC (reprint author), Univ Michigan, Dept Nucl Engn & Radiol Sci, 2355 Bonisteel Blvd, Ann Arbor, MI 48109 USA.
EM bckiedro@umich.edu
FU U.S. Department of Energy/National Nuclear Security Administration
(DOE/NNSA) Nuclear Criticality Safety Program (NCSP); Advanced
Scientific Computing (ASC) program
FX This work was jointly funded by the U.S. Department of Energy/National
Nuclear Security Administration (DOE/NNSA) Nuclear Criticality Safety
Program (NCSP) and the Advanced Scientific Computing (ASC) program. The
authors would like to thank the generous consultation by staff at ORNL,
including and in no particular order: B. Rearden, C. Perfetti, W. J.
Marshall, D. Mueller, and D. Bowen. The authors would also like to thank
M. Mitchell at LANL, who provided useful discussions related to how
computational analysis relates to the more extensive process of
performing criticality safety evaluations.
NR 46
TC 1
Z9 1
U1 1
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
EI 1943-748X
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD SEP
PY 2015
VL 181
IS 1
BP 17
EP 47
PG 31
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5ZP
UT WOS:000361423200002
ER
PT J
AU Ibrahim, AM
Wilson, PPH
Sawan, ME
Mosher, SW
Peplow, DE
Wagner, JC
Evans, TM
Grove, RE
AF Ibrahim, Ahmad M.
Wilson, Paul P. H.
Sawan, Mohamed E.
Mosher, Scott W.
Peplow, Douglas E.
Wagner, John C.
Evans, Thomas M.
Grove, Robert E.
TI Automatic Mesh Adaptivity for Hybrid Monte Carlo/Deterministic
Neutronics Modeling of Difficult Shielding Problems
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
ID VARIANCE REDUCTION; NUCLEAR ANALYSIS; SCALE; CODE
AB The well-established Consistent Adjoint Driven Importance Sampling (CADIS) and the Forward Weighted Consistent Adjoint Driven Importance Sampling (FW-CADIS) hybrid Monte Carlo/deterministic techniques have dramatically increased the efficiency of neutronics simulations, yielding accurate solutions for increasingly complex problems through full-scale, high-fidelity simulations. However, for full-scale simulations of very large and geometrically complex nuclear energy systems, even the CADIS and FW-CADIS techniques can reach the CPU and memory limits of all but the vet)) powelful supercomputers. In this work, three mesh adaptivity algorithms were developed to reduce the computational resource requirements of CADIS and FW-CADIS without sacrificing their efficiency improvements. First, a macromaterial approach was developed to enhance the fidelity of the deterministic models without changing the mesh. Second, a deterministic mesh refinement algorithm was developed to generate meshes that capture as much geometric detail as possible without exceeding a specified maximum number of mesh elements. Finally, a weight window (WW) coarsening (WWC) algorithm was developed to decouple the WW mesh and energy bins from the mesh and energy group structure of the deterministic calculations. By removing the memory constraint of the WW map from the resolution of the mesh and the energy group structure of the deterministic calculations, the WWC algorithm allows higher-fidelity deterministic calculations that, consequently, increase the efficiency and reliability of the CADIS and the FW-CADIS simulations. The three algorithms were used to enhance an FW-CADIS calculation of the prompt dose rate throughout the ITER experimental facility. Using these algorithms increased both the number of mesh tally elements in which nonzero results were obtained (+23.3%) and the overall efficiency of the calculation (a factor of >3.4). The three algorithms enabled this difficult calculation to be accurately solved using an FW-CADIS simulation on a 94-CPU computer cluster, eliminating the need for a world-class supercomputer.
C1 [Ibrahim, Ahmad M.; Mosher, Scott W.; Peplow, Douglas E.; Wagner, John C.; Evans, Thomas M.; Grove, Robert E.] Oak Ridge Natl Lab, Reactor & Nucl Syst Div, Oak Ridge, TN 37831 USA.
[Wilson, Paul P. H.; Sawan, Mohamed E.] Univ Wisconsin, Madison, WI 53706 USA.
RP Ibrahim, AM (reprint author), Oak Ridge Natl Lab, Reactor & Nucl Syst Div, POB 2008,Bldg 5700, Oak Ridge, TN 37831 USA.
EM ibrahimam@ornl.gov
RI Wagner, John/K-3644-2015
OI Wagner, John/0000-0003-0257-4502
FU U.S. Department of Energy [DE-AC05-00OR22725]
FX This manuscript has been authored by UT-Battelle, LLC, under contract
DE-AC05-00OR22725 with the U.S. Department of Energy.
NR 20
TC 0
Z9 0
U1 3
U2 7
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
EI 1943-748X
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD SEP
PY 2015
VL 181
IS 1
BP 48
EP 59
PG 12
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR5ZP
UT WOS:000361423200003
ER
PT J
AU Shin, DH
Yoon, SJ
Tak, NI
Park, GC
Cho, HK
AF Shin, Dong-Ho
Yoon, Su-Jong
Tak, Nam-Il
Park, Goon-Cherl
Cho, Hyoung-Kyu
TI ANALYTICAL STUDY ON THE EFFECTIVE THERMAL CONDUCTIVITY OF VHTR FUEL
BLOCK GEOMETRY WITH MULTIPLE CYLINDRICAL HOLES
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT International Congress on Advances in Nuclear Power Plants (ICAPP)
CY APR 06-09, 2014
CL Charlotte, NC
SP EXCEL Servi Corp Nucl Eng Consulting, AREVA, Exelon Generat, MITSUBISHI Heavy Ind LTD, MNES, CBI, TOSHIBA, Westinghouse
DE effective thermal conductivity; GAMMA plus code; Very High Temperature
Reactor
AB In Korea, the Very High Temperature Gas-Cooled Reactor (VHTR) PMR200 is being developed in the Nuclear Hydrogen Development and Demonstration project. Its core consists of hexagonal prism-shaped graphite blocks for the fuel and reflector, and each hexagonal fuel block contains 108 cylindrical coolant holes and 210 fuel compacts. Because of these holes and fuels, the heat transfer in lateral directions in the fuel blocks becomes very complicated. Especially in accident situations when forced convection is lost, the majority of the afterheat flows in the radial direction by conduction across the large number of coolant holes. Moreover, radiation heat transfer is supposed to be added to the radial heat transfer modes owing to the high temperature of the VHTR core. Because of these complexities in radial heat transfer, reliable modeling for effective thermal conductivity (ETC) is required in order to analyze the reactor core thermal behavior using lumped-parameter codes, which are often used to evaluate the integrity of nuclear fuel embedded in the graphite block. In this study, the ETC model adopted in the GAMMA+ code was introduced, and the adequacy of the model was assessed by the commercial computational fluid dynamics (CFD) code CFX-13. The results of the CFD analysis were consistent with the ETC model in general even if a slight disagreement was shown for the case of high temperature. From these analyses, it could be concluded that the ETC model adopted in the GAMMA+ code is an adequate model for the analysis of the PMR200 reactor core. Moreover, it was found that the effect of fuel gap can cause an overprediction of the ETC if the fuel compact thermal conductivity is larger than the applicable range of the model.
C1 [Shin, Dong-Ho; Park, Goon-Cherl; Cho, Hyoung-Kyu] Seoul Natl Univ, Dept Nucl Engn, Seoul 151742, South Korea.
[Yoon, Su-Jong] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Tak, Nam-Il] Korea Atom Energy Res Inst, Daejeon 305353, South Korea.
RP Shin, DH (reprint author), Seoul Natl Univ, Dept Nucl Engn, 1 Gwanak Ro, Seoul 151742, South Korea.
EM chohk@snu.ac.kr
FU NHDD project [NRF-2014M2A8A2021297]; Korea Radiation Safety Foundation
(KORSAFE) grant - Korean government (NSSC) (Nuclear Safety Research
Center Program) [1305011]
FX This study was supported in part by the NHDD project coordinated by
KAERI (NRF-2014M2A8A2021297) and by the Korea Radiation Safety
Foundation (KORSAFE) grant funded by the Korean government (NSSC)
(Nuclear Safety Research Center Program: 1305011).
NR 15
TC 0
Z9 0
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
EI 1943-7471
J9 NUCL TECHNOL
JI Nucl. Technol.
PD SEP
PY 2015
VL 191
IS 3
BP 213
EP 222
PG 10
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR4YA
UT WOS:000361344800003
ER
PT J
AU Park, YS
Zhao, XR
Dworzanski, P
Gima, ZT
Vilim, RB
AF Park, Young S.
Zhao, Xiaorui
Dworzanski, Pawel
Gima, Zachary T.
Vilim, Richard B.
TI INTERACTIVE SIMULATION AND VISUALIZATION OF IN-REACTOR AND UNDER-SODIUM
VIEWING OPERATIONS
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT International Congress on Advances in Nuclear Power Plants (ICAPP)
CY APR 06-09, 2014
CL Charlotte, NC
SP EXCEL Servi Corp Nucl Eng Consulting, AREVA, Exelon Generat, MITSUBISHI Heavy Ind LTD, MNES, CBI, TOSHIBA, Westinghouse
DE virtual reality; interactive simulation; sodium fast reactor
ID SYSTEM
AB A prototype virtual reality simulator for mechanical operations in a sodium-cooled fast reactor is described. Developing simulation capabilities for fuel-handling operations and component inspection are of particular emphasis. Building on the first prototype, the objective is to provide multimodal (visual and haptic) sensing functionality, improve component models, and implement select scenarios for demonstration. RoboticsLab, a robotics software development framework, enables the necessary integration and development for mechanical operations simulation, supporting the capabilities for the construction of the virtual reality environment, fast robot prototyping, dynamics simulation, and customized sensing. Special emphasis was given to the simulation of the fuel-handling system and under-sodium viewing operation, which is one of the bottlenecks in the sodium-cooled fast reactor technology roadmap. By providing computer-based visualization, the virtual reality simulator can facilitate better reactor operation training and more comprehensive understanding and development of new concepts in integral mechanical operations.
C1 [Park, Young S.; Zhao, Xiaorui; Dworzanski, Pawel; Gima, Zachary T.; Vilim, Richard B.] Argonne Natl Lab, Nucl Engn Div, Lemont, IL 60439 USA.
RP Park, YS (reprint author), Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Lemont, IL 60439 USA.
EM ypark@anl.gov
FU U.S. Department of Energy, Basic Energy Sciences, Office of Science
[DE-AC02-06CH11357]
FX This work is supported by the U.S. Department of Energy, Basic Energy
Sciences, Office of Science, under contract DE-AC02-06CH11357.
NR 15
TC 0
Z9 0
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
EI 1943-7471
J9 NUCL TECHNOL
JI Nucl. Technol.
PD SEP
PY 2015
VL 191
IS 3
BP 223
EP 233
PG 11
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR4YA
UT WOS:000361344800004
ER
PT J
AU Passerini, S
Vilim, RB
AF Passerini, Stefano
Vilim, Richard B.
TI DESIGNING FOR INHERENT CONTROL IN LIQUID-METAL ADVANCED SMALL MODULAR
REACTORS
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT International Congress on Advances in Nuclear Power Plants (ICAPP)
CY APR 06-09, 2014
CL Charlotte, NC
SP EXCEL Servi Corp Nucl Eng Consulting, AREVA, Exelon Generat, MITSUBISHI Heavy Ind LTD, MNES, CBI, TOSHIBA, Westinghouse
DE advanced small; modular reactors; passive safety; inherent control
AB Simulation results are presented for a design strategy that seeks to achieve inherent control and passive safety for liquid-metal advanced small modular reactors. The approach places an increased reliance on passive feedbacks to regulate plant operation. A reference liquid-metal reactor design is defined to serve as a baseline against which innovative design concepts can be compared with respect to operational performance. The definition assigns values to key plant parameters related to materials type, component data, system configuration (loop versus pool type), fuel cycle (burner versus breakeven versus breeder), and balance of plant. The reference design represents the state of the art of conventional fast reactor technology in terms of economics of electricity production, use of active control systems, and standard operation (e.g., refueling eveiy 2 to 3 years). Innovative design features and associated control strategies are then investigated for reducing-the size of upset imitators and for improving also the safety of the inherent response to the initiator. Initiators include failures of active systems and operator errors. At the same time the ability of the modified plant to meet normal grid demands subject to constraints on temperature rates of change is assessed. Results presented indicate that operational performance can be maintained while active system initiator size is reduced resulting in improved safety. Essentially, the innovations introduce inherent feedback mechanisms that serve to reduce the magnitude of the control action of the active control systems.
C1 [Passerini, Stefano; Vilim, Richard B.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA.
RP Passerini, S (reprint author), Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM stefano@anl.gov
FU U.S. Department of Energy Office of Science laboratory
[DE-AC02-06CH11357]
FX This manuscript has been created by UChicago Argonne, LLC, operator of
Argonne National Laboratory (ANL). ANL, a U.S. Department of Energy
Office of Science laboratory, is operated under contract
DE-AC02-06CH11357.
NR 18
TC 0
Z9 0
U1 0
U2 5
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
EI 1943-7471
J9 NUCL TECHNOL
JI Nucl. Technol.
PD SEP
PY 2015
VL 191
IS 3
BP 254
EP 267
PG 14
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CR4YA
UT WOS:000361344800007
ER
PT J
AU Mohamed, L
Sultan, M
Ahmed, M
Zaki, A
Sauck, W
Soliman, F
Yan, E
Elkadiri, R
Abouelmagd, A
AF Mohamed, Lamees
Sultan, Mohamed
Ahmed, Mohamed
Zaki, Abotalib
Sauck, William
Soliman, Farouk
Yan, Eugene
Elkadiri, Racha
Abouelmagd, Abdou
TI Structural Controls on Groundwater Flow in Basement Terrains:
Geophysical, Remote Sensing, and Field Investigations in Sinai
SO SURVEYS IN GEOPHYSICS
LA English
DT Review
DE Sinai; Groundwater flow; Very low frequency; Magnetic; Radar
backscattering; Remote sensing
ID ARABIAN-NUBIAN SHIELD; NAJD SHEAR SYSTEM; SOIL-MOISTURE; RED-SEA;
SOUTHERN SINAI; DYKE SWARMS; INTEGRATED APPROACH; EASTERN DESERT; SUEZ
RIFT; EGYPT
AB An integrated [very low frequency (VLF) electromagnetic, magnetic, remote sensing, field, and geographic information system (GIS)] study was conducted over the basement complex in southern Sinai (Feiran watershed) for a better understanding of the structural controls on the groundwater flow. The increase in satellite-based radar backscattering values following a large precipitation event (34 mm on 17-18 January 2010) was used to identify water-bearing features, here interpreted as preferred pathways for surface water infiltration. Findings include: (1) spatial analysis in a GIS environment revealed that the distribution of the water-bearing features (conductive features) corresponds to that of fractures, faults, shear zones, dike swarms, and wadi networks; (2) using VLF (43 profiles), magnetic (7 profiles) techniques, and field observations, the majority (85 %) of the investigated conductive features were determined to be preferred pathways for groundwater flow; (3) northwest-southeast- to north-south-trending conductive features that intersect the groundwater flow (southeast to northwest) at low angles capture groundwater flow, whereas northeast-southwest to east-west features that intersect the flow at high angles impound groundwater upstream and could provide potential productive well locations; and (4) similar findings are observed in central Sinai: east-west-trending dextral shear zones (Themed and Sinai Hinge Belt) impede south to north groundwater flow as evidenced by the significant drop in hydraulic head (from 467 to 248 m above mean sea level) across shear zones and by reorientation of regional flow (south-north to southwest-northeast). The adopted integrated methodologies could be readily applied to similar highly fractured basement arid terrains elsewhere.
C1 [Mohamed, Lamees; Sultan, Mohamed; Ahmed, Mohamed; Zaki, Abotalib; Sauck, William; Elkadiri, Racha] Western Michigan Univ, Dept Geosci, Kalamazoo, MI 49008 USA.
[Mohamed, Lamees] Mansoura Univ, Dept Geol, Mansoura 35516, Egypt.
[Ahmed, Mohamed; Soliman, Farouk; Abouelmagd, Abdou] Suez Canal Univ, Dept Geol, Ismailia 41522, Egypt.
[Yan, Eugene] Argonne Natl Lab, Div Environm Sci, Argonne, IL 60439 USA.
[Abouelmagd, Abdou] King Abdullah Univ Sci & Technol, Water Desalinat & Reuse Ctr, Earth Syst Observat & Modeling, Thuwal 239556900, Saudi Arabia.
RP Sultan, M (reprint author), Western Michigan Univ, Dept Geosci, 1903 West Michigan Ave, Kalamazoo, MI 49008 USA.
EM mohamed.sultan@wmich.edu
OI Abouelmagd, Abdou/0000-0003-2128-0630; Sauck,
William/0000-0003-2911-3044
FU NATO Science for Peace grant [SFP 982614]; Earth Sciences Remote Sensing
facility at Western Michigan University; ESA [11920]
FX This research is supported by the NATO Science for Peace grant (SFP
982614) awarded to Western Michigan University, and by the Earth
Sciences Remote Sensing facility at Western Michigan University. We also
acknowledge the support of ESA data grant 11920 for the provision of the
ENVISAT radar scenes. We thank Dr. Khaled Mamoun from Suez Canal
University and our field guides Mohamed El Shaeir and Mohamed Mansour
for facilitating field work in Sinai, and our colleagues (Kyle Chouinard
and Malgorzata Krawczyk) at the Earth Sciences Remote Sensing facility
for their inputs and for their helpful discussions.
NR 64
TC 2
Z9 2
U1 5
U2 16
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0169-3298
EI 1573-0956
J9 SURV GEOPHYS
JI Surv. Geophys.
PD SEP
PY 2015
VL 36
IS 5
BP 717
EP 742
DI 10.1007/s10712-015-9331-5
PG 26
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CR6YV
UT WOS:000361495400005
ER
PT J
AU Degreif, D
Bertl, A
Keasling, JD
Budin, I
AF Degreif, Daniel
Bertl, Adam
Keasling, Jay D.
Budin, Itay
TI A novel flocculation pathway mediated by ER membrane fluidity
SO YEAST
LA English
DT Meeting Abstract
CT 27th International Conference on Yeast Genetics and Molecular Biology
(ICYGMB)
CY SEP 06-12, 2015
CL Fondazione Edmund Mach, Levico Terme, ITALY
SP Inst Cell Biol Nas Ukraine, Roche, Singer Instruments, Tema Ric, EMBO, Wiley Blackwell, Federat European Microbiol Soc, Assoc Genetica Italiana, Stanford Univ, DSB, Athesina Studiorum Univ, Soc Italiana Microbiologia Generale & Biotecnologie Microbiche, Saccharomyces Genome Database, Fondazione Bruno Kessler, Prov Autonoma Trento
HO Fondazione Edmund Mach
C1 [Degreif, Daniel; Keasling, Jay D.; Budin, Itay] Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Emeryville, CA USA.
[Degreif, Daniel; Bertl, Adam] Tech Univ Darmstadt, Dept Biol, Yeast Membrane Biol, Darmstadt, Hessen, Germany.
NR 0
TC 0
Z9 0
U1 2
U2 8
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0749-503X
EI 1097-0061
J9 YEAST
JI Yeast
PD SEP
PY 2015
VL 32
SU 1
MA PS3-7
BP S117
EP S117
PG 1
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Microbiology; Mycology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Microbiology; Mycology
GA CR6OF
UT WOS:000361466200172
ER
PT J
AU Hittinger, CT
AF Hittinger, Chris Todd
TI The Evolution of wild and domesticated Saccharomyces eubayanus genomes
SO YEAST
LA English
DT Meeting Abstract
CT 27th International Conference on Yeast Genetics and Molecular Biology
(ICYGMB)
CY SEP 06-12, 2015
CL Fondazione Edmund Mach, Levico Terme, ITALY
SP Inst Cell Biol Nas Ukraine, Roche, Singer Instruments, Tema Ric, EMBO, Wiley Blackwell, Federat European Microbiol Soc, Assoc Genetica Italiana, Stanford Univ, DSB, Athesina Studiorum Univ, Soc Italiana Microbiologia Generale & Biotecnologie Microbiche, Saccharomyces Genome Database, Fondazione Bruno Kessler, Prov Autonoma Trento
HO Fondazione Edmund Mach
C1 [Hittinger, Chris Todd] Univ Wisconsin, DOE Great Lakes Bioenergy Res Ctr, JF Crow Inst Study Evolut,Wisconsin Energy Inst, Lab Genet,Genome Ctr Wisconsin, Madison, WI 53706 USA.
NR 0
TC 0
Z9 0
U1 1
U2 2
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0749-503X
EI 1097-0061
J9 YEAST
JI Yeast
PD SEP
PY 2015
VL 32
SU 1
MA RT1-3
BP S48
EP S48
PG 1
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Microbiology; Mycology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Microbiology; Mycology
GA CR6OF
UT WOS:000361466200038
ER
PT J
AU Atkinson, RW
John, SS
Dyck, O
Unocic, KA
Unocic, RR
Burke, CS
Cisco, JW
Rice, CA
Zawodzinski, TA
Papandrew, AB
AF Atkinson, Robert W., III
John, Samuel St.
Dyck, Ondrej
Unocic, Kinga A.
Unocic, Raymond R.
Burke, Colten S.
Cisco, Joshua W.
Rice, Cynthia A.
Zawodzinski, Thomas A., Jr.
Papandrew, Alexander B.
TI Support less, Bismuth-Modified Palladium Nanotubes with Improved
Activity and Stability for Formic Acid Oxidation
SO ACS CATALYSIS
LA English
DT Article
DE formic acid oxidation; palladium nanotube; bismuth adatom; chemical
vapor deposition; templated synthesis; anodic alumina
ID ABSORPTION FINE-STRUCTURE; NOBLE-METAL ELECTRODES; FUEL-CELLS;
PLATINUM-ELECTRODES; PARTICLE-SIZE; PT(111) ELECTRODES; SURFACE
CHARACTERIZATION; IRREVERSIBLE ADSORPTION; PD NANOPARTICLES;
CARBON-MONOXIDE
AB Palladium nanotubes (PdNTs) were synthesized by templated vapor deposition and investigated for formic acid electrooxidation. Annealed PdNTs are 2.4 times more active (2.19 mA/cm(2)) than commercial carbon-supported palladium (0.91 mA/cm(2)) at 0.3 V vs RHE. Bismuth modification improved nanotube performance over 4 times (3.75 mA/cm(2)) vs Pd/C and nearly 2 times vs unmodified PdNTs. A surface Bi coverage of 80% results in optimal site-specific activity by drastically reducing surface-poisoning CO generation during formic acid electrooxidation. The Bi-modified PdNTs are exceptionally stable, maintaining 2 times the area-normalized current density as Pd/C after 24 h at 0.2 V vs RHE. We attribute the enhanced activity and stability of the nanotube catalysts to the presence of highly coordinated surfaces, mimicking a flat polycrystal while retaining high surface area geometry.
C1 [Atkinson, Robert W., III; John, Samuel St.; Dyck, Ondrej; Zawodzinski, Thomas A., Jr.; Papandrew, Alexander B.] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA.
[Unocic, Raymond R.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Burke, Colten S.; Cisco, Joshua W.; Rice, Cynthia A.] Tennessee Technol Univ, Dept Chem Engn, Cookeville, TN 38505 USA.
[Rice, Cynthia A.] Tennessee Technol Univ, Ctr Mfg Res, Cookeville, TN 38505 USA.
[Unocic, Kinga A.; Zawodzinski, Thomas A., Jr.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Papandrew, AB (reprint author), Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA.
EM apapandr@utk.edu
RI Dyck, Ondrej/A-3294-2016
OI Dyck, Ondrej/0000-0001-8200-9874
FU NSF [EPS-1004083]; Advanced Photon Source, U.S. Department of Energy
(DOE) Office of Science User Facility [DE-AC02-06CH11357]
FX Support of this work was provided by the NSF-funded TN-SCORE program,
NSF EPS-1004083, under Thrust 2. STEM was conducted as part of a user
proposal at ORNL's Center for Nanophase Materials Sciences (CNMS), which
is an Office of Science User Facility. This research used resources of
the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of
Science User Facility operated for the DOE Office of Science by Argonne
National Laboratory under Contract No. DE-AC02-06CH11357.
NR 74
TC 5
Z9 5
U1 10
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2155-5435
J9 ACS CATAL
JI ACS Catal.
PD SEP
PY 2015
VL 5
IS 9
BP 5154
EP 5163
DI 10.1021/acscatal.5b01239
PG 10
WC Chemistry, Physical
SC Chemistry
GA CR1MT
UT WOS:000361089700023
ER
PT J
AU Zall, CM
Linehan, JC
Appel, AM
AF Zall, Christopher M.
Linehan, John C.
Appel, Aaron M.
TI A Molecular Copper Catalyst for Hydrogenation of CO2 to Formate
SO ACS CATALYSIS
LA English
DT Article
DE CO2; copper; hydrogenation; catalysis; H-2 activation; DBU
ID DEFINED IRON CATALYST; CARBON-DIOXIDE; METHANOL SYNTHESIS; COMPLEXES;
BICARBONATES; REDUCTION; LIGANDS; DEHYDROGENATION; REACTIVITY; INSERTION
AB There is widespread interest in the hydrogenation of CO2 to energy-rich products such as formate. However, first-row transition metal catalysts for the hydrogenation of CO2 to formate remain rare. Copper complexes are widely used in the reduction of organic substrates, but their use in the catalytic hydrogenation of CO2 has been limited. Here, we demonstrate that the copper(I) complex LCu(MeCN)PF6 is an active catalyst for CO2 hydrogenation in the presence of a suitable base. Screening of bases and studies of catalytic reactions by in operando spectroscopy revealed important and unusual roles for the base in promoting H-2 activation and turnover.
C1 [Zall, Christopher M.; Linehan, John C.; Appel, Aaron M.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Appel, AM (reprint author), Pacific NW Natl Lab, POB 999,MS K2-57, Richland, WA 99352 USA.
EM aaron.appel@pnnl.gov
OI Appel, Aaron/0000-0002-5604-1253
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences Biosciences
FX This material is based upon work supported by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences & Biosciences. Pacific Northwest National
Laboratory is operated by Battelle for the US Department of Energy.
NR 40
TC 18
Z9 18
U1 12
U2 128
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2155-5435
J9 ACS CATAL
JI ACS Catal.
PD SEP
PY 2015
VL 5
IS 9
BP 5301
EP 5305
DI 10.1021/acscatal.5b01646
PG 5
WC Chemistry, Physical
SC Chemistry
GA CR1MT
UT WOS:000361089700037
ER
PT J
AU Hsieh, YC
Senanayake, SD
Zhang, Y
Xu, WQ
Polyansky, DE
AF Hsieh, Yu-Chi
Senanayake, Sanjaya D.
Zhang, Yu
Xu, Wenqian
Polyansky, Dmitry E.
TI Effect of Chloride Anions on the Synthesis and Enhanced Catalytic
Activity of Silver Nanocoral Electrodes for CO2 Electroreduction
SO ACS CATALYSIS
LA English
DT Article
DE nanoporous Ag; chloride modification; carbon dioxide reduction;
electrocatalysis; high selectivity
ID ELECTROCHEMICAL DOUBLE-LAYER; CARBON-DIOXIDE REDUCTION; AU
NANOPARTICLES; ELECTROCATALYTIC REDUCTION; CU NANOPARTICLES;
METAL-CATALYSTS; ACIDIC MEDIA; COPPER; SURFACES; XPS
AB Metallic silver (Ag) is known as an efficient electrocatalyst for the conversion of carbon dioxide (CO2) to carbon monoxide (CO) in aqueous or nonaqueous electrolytes. However, polycrystalline silver electrocatalysts require significant overpotentials in order to achieve high selectivity toward CO2 reduction, as compared to the side reaction of hydrogen evolution. Here we report a high-surface-area Ag nanocoral catalyst, fabricated by an oxidation reduction method in the presence of chloride anions in an aqueous medium, for the electro-reduction of CO2 to CO with a current efficiency of 95% at the low overpotential of 0.37 V and the current density of 2 mA cm(-2). A lower limit of TOF of 0.4 s(-1) and TON > 8.8 X 10(4) (over 72 h) was estimated for the Ag nanocoral catalyst at an overpotential of 0.49 V. The Ag nanocoral catalyst demonstrated a 32-fold enhancement in surface-area-normalized activity, at an overpotential of 0.49 V, as compared to Ag foil. We found that, in addition to the effect on nanomorphology, the adsorbed chloride anions play a critical role in the observed enhanced activity and selectivity of the Ag nanocoral electrocatalyst toward CO2 reduction. Synchrotron X-ray photoelectron spectroscopy (XPS) studies along with a series of control experiments suggest that the chloride anions, remaining adsorbed on the catalyst surface under electrocatalytic conditions, can effectively inhibit the side reaction of hydrogen evolution and enhance the catalytic performance for CO2 reduction.
C1 [Hsieh, Yu-Chi; Senanayake, Sanjaya D.; Zhang, Yu; Xu, Wenqian; Polyansky, Dmitry E.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Polyansky, DE (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM dep@bnl.gov
RI Polyansky, Dmitry/C-1993-2009; Senanayake, Sanjaya/D-4769-2009;
OI Polyansky, Dmitry/0000-0002-0824-2296; Senanayake,
Sanjaya/0000-0003-3991-4232; Hsieh, Yu-Chi/0000-0003-0823-6571
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-98CH10886, DE-SC0012704]; Division of Chemical Sciences,
Geosciences, & Biosciences within Office of Basic Energy Sciences; BNL
[13-013]
FX We thank Dr. D. C. Grills for help with preparation of this manuscript.
This work was carried out at Brookhaven National Laboratory (BNL) under
Contracts DE-AC02-98CH10886 and DE-SC0012704 with the U.S. Department of
Energy, Office of Science, and supported in part by its Division of
Chemical Sciences, Geosciences, & Biosciences within the Office of Basic
Energy Sciences. The research was initiated with support from the BNL
Laboratory Directed Research and Development Project No. 13-013. XPS/XRD
measurements and electron microscopy were carried out at the National
Synchrotron Light Source and the Center for Functional Nanomaterials of
BNL, which are supported by the U.S. Department of Energy, Office of
Basic Energy Sciences, under Contracts DE-AC02-98CH10886 and
DE-SC0012704.
NR 62
TC 25
Z9 25
U1 22
U2 151
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2155-5435
J9 ACS CATAL
JI ACS Catal.
PD SEP
PY 2015
VL 5
IS 9
BP 5349
EP 5356
DI 10.1021/acscatal.5b01235
PG 8
WC Chemistry, Physical
SC Chemistry
GA CR1MT
UT WOS:000361089700043
ER
PT J
AU Ho, MH
Rousseau, R
Roberts, JAS
Wiedner, ES
Dupuis, M
DuBois, DL
Bullock, RM
Raugei, S
AF Ho, Ming-Hsun
Rousseau, Roger
Roberts, John A. S.
Wiedner, Eric S.
Dupuis, Michel
DuBois, Daniel L.
Bullock, R. Morris
Raugei, Simone
TI Ab lnitio-Based Kinetic Modeling for the Design of Molecular Catalysts:
The Case of H-2 Production Electrocatalysts
SO ACS CATALYSIS
LA English
DT Article
DE electrocatalysis; H-2 production; ab initio calculations; molecular
dynamics; free energy simulations; microkinetic modeling
ID DENSITY-FUNCTIONAL THEORY; OUTER COORDINATION SPHERE;
HYDROGEN-PRODUCTION; PENDANT AMINES; COBALT COMPLEXES; RECENT PROGRESS;
HIGH-THROUGHPUT; OXIDATION; DYNAMICS; PROTON
AB Design of fast, efficient electrocatalysts for energy production and energy utilization requires a systematic approach to predict and tune the energetics of reaction intermediates and the kinetic barriers between them as well as to tune reaction conditions (e.g., concentration of reactants, acidity of the reaction medium, and applied electric potential). Thermodynamics schemes based on the knowledge of pK(a) values, hydride donor ability, redox potentials, and other relevant thermodynamic properties have been demonstrated to be very effective for exploring possible reaction pathways. We seek to identify high-energy intermediates, which may represent a catalytic bottleneck, and low-energy intermediates, which may represent a thermodynamic sink. In this study, working on a well-established Ni-based bioinspired electrocatalyst for H-2 production, we performed a detailed kinetic analysis of the catalytic pathways to assess the limitations of our current (standard state) thermodynamic analysis with respect to prediction of optimal catalyst performance. To this end, we developed a microkinetic model based on extensive ab initio simulations. The model was validated against available experimental data, and it reproduces remarkably well the observed turnover rate as a function of the acid concentration and catalytic conditions, providing valuable information on the main factors limiting catalysis. Using this kinetic analysis as a reference, we show that indeed a purely thermodynamic analysis of the possible reaction pathways provides us with valuable information, such as a qualitative picture of the species involved during catalysis, identification of the possible branching points, and the origin of the observed overpotential, which are critical insights for electrocatalyst design. However, a significant limitation of this approach is understanding how these insights relate to rate, which is an equally critical piece of information. Taking our analysis a step further, we show that the kinetic model can easily be extended to different catalytic conditions by using linear free energy relationships for activation barriers based on simple thermodynamics quantities, such as pKa values. We also outline a possible procedure to extend it to other catalytic platforms, making it a general and effective way to design catalysts with improved performance.
C1 [Ho, Ming-Hsun; Rousseau, Roger; Roberts, John A. S.; Wiedner, Eric S.; Dupuis, Michel; DuBois, Daniel L.; Bullock, R. Morris; Raugei, Simone] Pacific NW Natl Lab, Ctr Mol Electrocatalysis, Richland, WA 99352 USA.
RP Raugei, S (reprint author), Pacific NW Natl Lab, Ctr Mol Electrocatalysis, POB 999,K1-83, Richland, WA 99352 USA.
EM simone.raugei@pnnl.gov
RI Rousseau, Roger/C-3703-2014; Bullock, R. Morris/L-6802-2016
OI Bullock, R. Morris/0000-0001-6306-4851
FU Center for Molecular Electrocatalysis - U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences; DOE's Office of
Biological and Environmental Research
FX We thank Dr. W. J. Shaw, Dr. Aaron M. Appel, and Dr. M. L. Helm for
fruitful discussions. This research was supported as part of the Center
for Molecular Electrocatalysis, an Energy Frontier Research Center
funded by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences. Pacific Northwest National Laboratory is operated
by Battelle for the U.S. Department of Energy. Computer Resources were
provided by the W. R Wiley Environmental Molecular Sciences Laboratory
(EMSL), a DOE Office of Science User Facility located at Pacific
Northwest National Laboratory and sponsored by DOE's Office of
Biological and Environmental Research. Computer resources were also
provided by the National Energy Research Computing Center (NERSC) at the
Lawrence Berkeley National Laboratory.
NR 103
TC 8
Z9 8
U1 5
U2 39
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2155-5435
J9 ACS CATAL
JI ACS Catal.
PD SEP
PY 2015
VL 5
IS 9
BP 5436
EP 5452
DI 10.1021/acscatal.5b01152
PG 17
WC Chemistry, Physical
SC Chemistry
GA CR1MT
UT WOS:000361089700054
ER
PT J
AU Wang, WH
Ertem, MZ
Xu, SA
Onishi, N
Manaka, Y
Suna, Y
Kambayash, H
Muckerman, JT
Fujita, E
Himeda, Y
AF Wang, Wan-Hui
Ertem, Mehmed Z.
Xu, Shaoan
Onishi, Naoya
Manaka, Yuichi
Suna, Yuki
Kambayash, Hide
Muckerman, James T.
Fujita, Etsuko
Himeda, Yuichiro
TI Highly Robust Hydrogen Generation by Bioinspired Ir Complexes for
Dehydrogenation of Formic Acid in Water: Experimental and Theoretical
Mechanistic Investigations at Different pH
SO ACS CATALYSIS
LA English
DT Article
DE formic acid dehydrogenation; Ir complexes; mechanism; kinetic isotope
effect; pH dependence
ID CARBON-DIOXIDE; REVERSIBLE HYDROGENATION; AMBIENT-TEMPERATURE; LIGAND
COOPERATION; IRIDIUM CATALYST; H-2 PRODUCTION; STORAGE; DECOMPOSITION;
CO2; OXIDATION
AB Hydrogen generation from formic acid (FA), one of the most promising hydrogen storage materials, has attracted much attention due to the demand for the development of renewable energy carriers. Catalytic dehydrogenation of FA in an efficient and green manner remains challenging. Here, we report a series of bioinspired Ir complexes for highly robust and selective hydrogen production from FA in aqueous solutions without organic solvents or additives. One of these complexes bearing an imidazoline moiety (complex 6) achieved a turnover frequency (TOF) of 322 000 h(-1) at 100 degrees C, which is higher than ever reported. The novel catalysts are very stable and applicable in highly concentrated FA. For instance, complex 3 (1 mu mol) affords an unprecedented turnover number (TON) of 2 050 000 at 60 degrees C. Deuterium kinetic isotope effect experiments and density functional theory (DFT) calculations employing a "speciation" approach demonstrated a change in the rate-determining step with increasing solution pH. This study provides not only more insight into the mechanism of dehydrogenation of FA but also offers a new principle for the design of effective homogeneous organometallic catalysts for H-2 generation from FA.
C1 [Wang, Wan-Hui] Dalian Univ Technol, Sch Petr & Chem Engn, Panjin 124221, Peoples R China.
[Ertem, Mehmed Z.; Muckerman, James T.; Fujita, Etsuko] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Xu, Shaoan; Onishi, Naoya; Manaka, Yuichi; Suna, Yuki; Kambayash, Hide; Himeda, Yuichiro] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan.
[Manaka, Yuichi; Himeda, Yuichiro] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan.
RP Muckerman, JT (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM muckerma@bnl.gov; fujita@bnl.gov; himeda.y@aist.go.jp
RI Wang, Wan-Hui/J-8773-2012; Onishi, Naoya/I-6373-2016;
OI Wang, Wan-Hui/0000-0002-5943-4589; Manaka, Yuichi/0000-0001-5872-3365
FU Japan Science and Technology Agency (JST), CREST; Dalian University of
Technology (Fundamental Research Funds for Central Universities)
[DUT14RC(3)082, 844401]; National Natural Science Foundation of China
[21402019]; U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences [DE-SC00112704]
FX Y.H. and Y.M. thank the Japan Science and Technology Agency (JST), CREST
for financial support. W.-H.W. is thankful for the financial support
from Dalian University of Technology (the Fundamental Research Funds for
the Central Universities, Grant No. DUT14RC(3)082; Grant No. 844401) and
National Natural Science Foundation of China (Grant No. 21402019). The
work at BNL was carried out under contract DE-SC00112704 with the U.S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences, and utilized resources at the BNL Center for Functional
Nanomaterials.
NR 59
TC 23
Z9 23
U1 11
U2 84
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2155-5435
J9 ACS CATAL
JI ACS Catal.
PD SEP
PY 2015
VL 5
IS 9
BP 5496
EP 5504
DI 10.1021/acscatal.5b01090
PG 9
WC Chemistry, Physical
SC Chemistry
GA CR1MT
UT WOS:000361089700058
ER
PT J
AU Kim, W
Frei, H
AF Kim, Wooyul
Frei, Heinz
TI Directed Assembly of Cuprous Oxide Nanocatalyst for CO2 Reduction
Coupled to Heterobinuclear ZrOCoII Light Absorber in Mesoporous Silica
SO ACS CATALYSIS
LA English
DT Article
DE photodeposition; carbon dioxide reduction; artificial photosynthesis;
photocatalysis; copper oxide catalyst; heterobinuclear light absorber
ID SUPPORTED COPPER-CATALYSTS; CARBON-DIOXIDE REDUCTION; CHARGE-TRANSFER
UNIT; ELECTROCHEMICAL REDUCTION; ELECTRON-TRANSFER; INFRARED-SPECTRA;
WATER OXIDATION; CU; PHOTOREDUCTION; COMPLEXES
AB Hierarchical assembly of an oxo-bridged binuclear ZrOCoII light absorber unit coupled to a cuprous oxide nanocluster catalyst for CO2 reduction on mesoporous silica support is demonstrated. The proper positioning of the Cu oxide cluster was achieved by photodeposition of a [Cu(NCCH3)(4)](2+)precursor by visible light excitation of the ZrOCo charge transfer chromophore, followed by mild calcination at 350 C. Illumination of the CuxOy-ZrOCo unit so formed in the presence of a diethylamine electron donor resulted in the reduction of surface Cu centers to Cu-0 as demonstrated by the characteristic infrared band of adsorbed (CO)-C-13 probe molecules at 2056 cm(-1). For analogous CuxOy-TiOCoII units, the oxidation state makeup of the surface Cu centers was dominated by Cu-I, and the Cu-0, Cu-I, and Cu-II composition was found to depend on the wavelength of MMCT excitation. The observed strong dependence of the CO2 photoreduction yield on the oxidation state of the surface Cu centers directly proves that CO2 is reduced on the CuxOy surface, thus establishing that the ZrOCoII unit functions as light absorber, donating electrons to the CuxOy catalyst on whose surface CO2 is reduced.
C1 [Kim, Wooyul; Frei, Heinz] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Frei, H (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
EM HMFrei@lbl.gov
RI Foundry, Molecular/G-9968-2014
FU Office of Science, Office of Basic Energy Sciences, Division of
Chemical, Geological and Biosciences of the U.S. Department of Energy
[DE-AC02-05CH11231]; National Center for Electron Microscopy; Lawrence
Berkeley National Laboratory; U.S. Department of Energy
FX This work was supported by the Director, Office of Science, Office of
Basic Energy Sciences, Division of Chemical, Geological and Biosciences
of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
The authors acknowledge the support of the National Center for Electron
Microscopy, Lawrence Berkeley National Laboratory, which is supported by
the U.S. Department of Energy.
NR 54
TC 3
Z9 3
U1 14
U2 71
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 2155-5435
J9 ACS CATAL
JI ACS Catal.
PD SEP
PY 2015
VL 5
IS 9
BP 5627
EP 5635
DI 10.1021/acscatal.5b01306
PG 9
WC Chemistry, Physical
SC Chemistry
GA CR1MT
UT WOS:000361089700074
ER
PT J
AU Khan, M
Um, W
AF Khan, Mumtaz
Um, Wooyong
TI Liquid Scintillation Counting Methodology for Tc-99 Analysis: A Remedy
for Radiopharmaceutical Waste
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID ENVIRONMENTAL-SAMPLES; QUANTIFICATION; CARRIER; URINE
AB This paper presents a new approach for liquid scintillation counting (LSC) analysis of single-radionuclide samples containing appreciable organic or inorganic quench. This work offers better analytical results than existing LSC methods for technetium-99 (Tc-99g) analysis with significant savings in analysis cost and time. The method was developed to quantify Tc-99g in environmental liquid and urine samples using LSC. Method efficiency was measured in the presence of 1.9 to 11 900 ppm total dissolved solids. The resultant quench curve proved to be effective for quantifying spiked Tc-99g activity in deionized water, tap water, groundwater, seawater, and urine samples. Counting efficiency was found to be 91.66% for Ultima Gold LLT (ULG-LLT) and Ultima Gold (ULG). Relative error in spiked Tc-99g samples was +/-3.98% in ULG and ULG-LLT cocktails. Minimum detectable activity was determined to be 25.3 and 22.7 mBq for ULG-LLT and ULG cocktails, respectively. A preconcentration factor of 1000 was achieved at 100 degrees C for 100% chemical recovery.
C1 [Khan, Mumtaz; Um, Wooyong] Pohang Univ Sci & Technol, Nucl Engn Lab, Div Adv Nucl Engn, Pohang, Gyeongbuk, South Korea.
[Um, Wooyong] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Um, W (reprint author), Pohang Univ Sci & Technol, Nucl Engn Lab, Div Adv Nucl Engn, Engn Bldg 1,77 Cheongam Ro, Pohang, Gyeongbuk, South Korea.
EM wooyong.um@pnnl.gov
FU DANE POSTECH; BK21+ Program; basic research support project through the
National Research Foundation of Korea (NRF) - Ministry of Education,
Science, and Technology [4.0010363.01]
FX The authors are deeply thankful to DANE POSTECH and BK21+ Program for
providing financial support for research work. Additional research
funding was supported by basic research support project (4.0010363.01)
through the National Research Foundation of Korea (NRF) funded by the
Ministry of Education, Science, and Technology. We also appreciate Jin
mo Ahn, SangSoo Han, SeEun Chang, Seongsik Nam, HyunJu Kim, JungJin Kim,
Jaehyuk Kang, and WonSeok Kim for their coordination and support in this
work.
NR 23
TC 3
Z9 3
U1 2
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0003-2700
EI 1520-6882
J9 ANAL CHEM
JI Anal. Chem.
PD SEP 1
PY 2015
VL 87
IS 17
BP 9054
EP 9060
DI 10.1021/acs.analchem.5b02279
PG 7
WC Chemistry, Analytical
SC Chemistry
GA CQ7HH
UT WOS:000360773100063
PM 26270580
ER
PT J
AU Krukowski, EG
Goodman, A
Rother, G
Ilton, ES
Guthrie, G
Bodnar, RJ
AF Krukowski, Elizabeth G.
Goodman, Angela
Rother, Gernot
Ilton, Eugene S.
Guthrie, George
Bodnar, Robert J.
TI FT-IR study of CO2 interaction with Na+ exchanged montmorillonite
SO APPLIED CLAY SCIENCE
LA English
DT Article
DE Global warming; Infrared spectroscopy; Carbon dioxide; Montmorillonite
ID SUPERCRITICAL CARBON-DIOXIDE; SOCIETY SOURCE CLAYS; IN-SITU; ADSORBED
WATER; BASE-LINE; SPECTROSCOPY; SEQUESTRATION; SMECTITES; HYDRATION;
SORPTION
AB Carbon capture, utilization and storage (CCUS) in saline reservoirs in sedimentary formations has the potential to reduce the impact of fossil fuel combustion on climate change by reducing CO2 emissions to the atmosphere and storing the CO2 in geologic formations in perpetuity. At pressure and temperature (PT) conditions relevant to CCUS, CO2 is less dense than the pre-existing brine in the formation, and the more buoyant CO2 will migrate to the top of the formation where it will be in contact with cap rock. Interactions between clay-rich shale cap rocks and CO2 are poorly understood at PT conditions appropriate for CCUS in saline formations. In this study, the interaction of CO2 with clay minerals in the cap rock overlying a saline formation has been examined using Na+ exchanged montmorillonite (Mt) (Na+-STx-1) (Na+ Mt) as an analog for clay-rich shale. Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (ATR-FTIR) was used to discern mechanistic information for CO2 interaction with hydrated (both one- and two-water layers) and relatively dehydrated (both dehydrated layers and one-water layers) Na+-STx-1 at 35 degrees C and 50 degrees C and CO2 pressure from 0-5.9 MPa. CO2-induced perturbations associated with the water layer and Na+-STx-1 vibrational modes such as AlAlOH and AlMgOH were examined. Data indicate that CO2 is preferentially incorporated into the interlayer space, with relatively dehydrated Na+-STx-1 capable of incorporating more CO2 compared to hydrated Na+-STx-1. Spectroscopic data provide no evidence of formation of carbonate minerals or the interaction of CO2 with sodium cations in the Na+-STx-1 structure. Published by Elsevier B.V.
C1 [Krukowski, Elizabeth G.; Bodnar, Robert J.] NETL RUA, Pittsburgh, PA USA.
[Krukowski, Elizabeth G.; Bodnar, Robert J.] Virginia Tech, Dept Geosci, Fluids Res Lab, Blacksburg, VA 24061 USA.
[Goodman, Angela; Guthrie, George] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Rother, Gernot] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Ilton, Eugene S.] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA.
RP Goodman, A (reprint author), US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
EM angela.goodman@netl.doe.gov
RI Rother, Gernot/B-7281-2008
OI Rother, Gernot/0000-0003-4921-6294
FU National Energy Technology Laboratory; U.S. Department of Energy, Office
of Science, Basic Energy Sciences, Chemical Sciences, Geosciences &
Biosciences Division at Pacific Northwest National Laboratory (PNNL)
FX The authors thank Evgeny Myshakin for providing a high-resolution
version of the Mt structure shown in Fig. 2. The authors thank John
Loring for comparing the FTIR data in this study to indicate the
hydration state for the hydrated and relatively dehydrated
Na+-STx-1. Funding for E.G.K. was partially supported by the
National Energy Technology Laboratory. Work by GR and ESI was supported
by the U.S. Department of Energy, Office of Science, Basic Energy
Sciences, Chemical Sciences, Geosciences & Biosciences Division at
Pacific Northwest National Laboratory (PNNL). PNNL is a multiprogram
national laboratory operated for DOE by Battelle.
NR 34
TC 6
Z9 6
U1 5
U2 34
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0169-1317
EI 1872-9053
J9 APPL CLAY SCI
JI Appl. Clay Sci.
PD SEP
PY 2015
VL 114
BP 61
EP 68
DI 10.1016/j.clay.2015.05.005
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary; Mineralogy
SC Chemistry; Materials Science; Mineralogy
GA CQ7GW
UT WOS:000360772000008
ER
PT J
AU Slater, SC
Simmons, BA
Rogers, TS
Phillips, MF
Nordahl, K
Davison, BH
AF Slater, Steven C.
Simmons, Blake A.
Rogers, Tamara S.
Phillips, Margaret F.
Nordahl, Kristy
Davison, Brian H.
TI The DOE Bioenergy Research Centers: History, Operations, and Scientific
Output
SO BIOENERGY RESEARCH
LA English
DT Article
DE Bioenergy; Biomass; US Department of Energy; Great Lakes Bioenergy
Research Center; Bioenergy Science Center; Joint Bioenergy Institute;
Collaborative Research Center
ID PRETREATED CORN STOVER; PANICUM-VIRGATUM L.; GLYCOSIDE HYDROLASE
ACTIVITIES; INITIATOR MASS-SPECTROMETRY; IONIC LIQUID PRETREATMENT;
CLOSTRIDIUM-THERMOCELLUM; BIOMASS RECALCITRANCE; LIGNOCELLULOSIC
BIOMASS; ETHANOL-PRODUCTION; SYNTHETIC BIOLOGY
AB Over the past 7 years, the US Department of Energy's Office of Biological and Environmental Research has funded three Bioenergy Research Centers (BRCs). These centers have developed complementary and collaborative research portfolios that address the key technical and economic challenges in biofuel production from lignocellulosic biomass. All three centers have established a close, productive relationship with DOE's Joint Genome Institute (JGI). This special issue of Bioenergy Research samples the breadth of basic science and engineering work required to underpin a diverse, sustainable, and robust biofuel industry. In this report, which was collaboratively produced by all three BRCs, we discuss the BRC contributions over their first 7 years to the development of renewable transportation fuels. We also highlight the BRC research published in the current issue and discuss technical challenges in light of recent progress.
C1 [Slater, Steven C.; Phillips, Margaret F.] Univ Wisconsin, Great Lakes Bioenergy Res Ctr, Madison, WI 53706 USA.
[Simmons, Blake A.; Nordahl, Kristy] Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Rogers, Tamara S.; Davison, Brian H.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Slater, SC (reprint author), WinnowGen Inc, Madison, WI 53717 USA.
EM scslater@winnowgen.com
RI Davison, Brian/D-7617-2013
OI Davison, Brian/0000-0002-7408-3609
FU Bioenergy Science Center (BESC), US Department of Energy Bioenergy
Research Center; Great Lakes Bioenergy Research Center (GLBRC), US
Department of Energy Bioenergy Research Center; BioEnergy Institute
(JBEI), US Department of Energy Bioenergy Research Center - Office of
Biological and Environmental Research in the DOE Office of Science; DOE
[DE-AC05-00OR22725]; US DOE's Office of Science, Office of Biological
and Environmental Research [DE-AC02-05CH11231]; [DE-FC02-07ER64494]
FX This research was funded by the Bioenergy Science Center (BESC), the
Great Lakes Bioenergy Research Center (GLBRC), and the Joint BioEnergy
Institute (JBEI), which are US Department of Energy Bioenergy Research
Centers supported by the Office of Biological and Environmental Research
in the DOE Office of Science. BESC is led by ORNL and is managed by
UT-Battelle, LLC, Oak Ridge, TN, USA, for the DOE under contract
DE-AC05-00OR22725. GLBRC operates under contract #DE-FC02-07ER64494 to
the University of Wisconsin-Madison, in a primary partnership with
Michigan State University. JBEI acknowledges the funding support from US
DOE's Office of Science, Office of Biological and Environmental
Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley
National Laboratory and the US DOE.
NR 103
TC 1
Z9 1
U1 4
U2 27
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 881
EP 896
DI 10.1007/s12155-015-9660-8
PG 16
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400001
ER
PT J
AU Sinistore, JC
Reinemann, DJ
Izaurralde, RC
Cronin, KR
Meier, PJ
Runge, TM
Zhang, XS
AF Sinistore, Julie C.
Reinemann, Douglas J.
Izaurralde, R. Cesar
Cronin, Keith R.
Meier, Paul J.
Runge, Troy M.
Zhang, Xuesong
TI Life Cycle Assessment of Switchgrass Cellulosic Ethanol Production in
the Wisconsin and Michigan Agricultural Contexts
SO BIOENERGY RESEARCH
LA English
DT Article
DE Panicum virgatum L; Greenhouse gas emissions; Soil carbon; Nitrous
oxide; Environmental Policy Integrated Climate (EPIC); Net energy ratio;
Acidification; Eutrophication
ID LAND-USE CHANGE; IMPROVING ANALYTICAL METHODOLOGIES; BIOFUELS TESTING
PREDICTIONS; LONG-TERM; WATERSHED-SCALE; ENERGY CROPS; EMISSIONS; MODEL;
SEQUESTRATION; BIOENERGY
AB Spatial variability in yields and greenhouse gas emissions from soils has been identified as a key source of variability in life cycle assessments (LCAs) of agricultural products such as cellulosic ethanol. This study aims to conduct an LCA of cellulosic ethanol production from switchgrass in a way that captures this spatial variability and tests results for sensitivity to using spatially averaged results. The Environment Policy Integrated Climate (EPIC) model was used to calculate switchgrass yields, greenhouse gas (GHG) emissions, and nitrogen and phosphorus emissions from crop production in southern Wisconsin and Michigan at the watershed scale. These data were combined with cellulosic ethanol production data via ammonia fiber expansion and dilute acid pretreatment methods and region-specific electricity production data into an LCA model of eight ethanol production scenarios. Standard deviations from the spatial mean yields and soil emissions were used to test the sensitivity of net energy ratio, global warming potential intensity, and eutrophication and acidification potential metrics to spatial variability. Substantial variation in the eutrophication potential was also observed when nitrogen and phosphorus emissions from soils were varied. This work illustrates the need for spatially explicit agricultural production data in the LCA of biofuels and other agricultural products.
C1 [Sinistore, Julie C.] Thinkstep, Leinfelden Echterdingen, Germany.
[Reinemann, Douglas J.; Cronin, Keith R.; Runge, Troy M.] Univ Wisconsin, Dept Biol Syst Engn, Madison, WI USA.
[Reinemann, Douglas J.; Izaurralde, R. Cesar; Cronin, Keith R.; Meier, Paul J.; Runge, Troy M.; Zhang, Xuesong] Great Lakes Bioenergy Res Ctr, Madison, WI 53703 USA.
[Izaurralde, R. Cesar; Zhang, Xuesong] Univ Maryland, Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20742 USA.
[Meier, Paul J.] Univ Wisconsin, Wisconsin Energy Inst, Madison, WI USA.
RP Runge, TM (reprint author), Great Lakes Bioenergy Res Ctr, Madison, WI 53703 USA.
EM trunge@wbi.wisc.edu
RI zhang, xuesong/B-7907-2009
FU Department of Energy Great Lakes Bioenergy Research Center (DOE BER
Office of Science) [DE-FC02-07ER64494]; Department of Energy Great Lakes
Bioenergy Research Center (DOE OBP Office of Energy Efficiency and
Renewable Energy) [DE-AC05-76RL01830]
FX This work was funded by the Department of Energy Great Lakes Bioenergy
Research Center (DOE BER Office of Science DE-FC02-07ER64494 and DOE OBP
Office of Energy Efficiency and Renewable Energy DE-AC05-76RL01830). The
authors also gratefully acknowledge the contributions of Bryan Bals,
Bruce Dale, David Duncan, Pragnya Eranki, Shujiang Kang, David Manowitz,
Timothy D. Meehan, Mac Post, and Xuesong Zhang to this work.
NR 53
TC 4
Z9 4
U1 3
U2 32
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 897
EP 909
DI 10.1007/s12155-015-9611-4
PG 13
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400002
ER
PT J
AU Baxter, HL
Poovaiah, CR
Yee, KL
Mazarei, M
Rodriguez, M
Thompson, OA
Shen, H
Turner, GB
Decker, SR
Sykes, RW
Chen, F
Davis, MF
Mielenz, JR
Davison, BH
Dixon, RA
Stewart, CN
AF Baxter, Holly L.
Poovaiah, Charleson R.
Yee, Kelsey L.
Mazarei, Mitra
Rodriguez, Miguel, Jr.
Thompson, Olivia A.
Shen, Hui
Turner, Geoffrey B.
Decker, Stephen R.
Sykes, Robert W.
Chen, Fang
Davis, Mark F.
Mielenz, Jonathan R.
Davison, Brian H.
Dixon, Richard A.
Stewart, C. Neal, Jr.
TI Field Evaluation of Transgenic Switchgrass Plants Overexpressing PvMYB4
for Reduced Biomass Recalcitrance
SO BIOENERGY RESEARCH
LA English
DT Article
DE MYB4; Field trial; Lignocellulosic biofuel; Switchgrass
ID ALTERED LIGNIN BIOSYNTHESIS; ACID-O-METHYLTRANSFERASE; PANICUM-VIRGATUM
L.; BIOFUEL PRODUCTION; LIGNOCELLULOSIC BIOMASS; ETHANOL; FERMENTATION;
PRETREATMENT; FEEDSTOCKS; DEPOSITION
AB High biomass yields and minimal agronomic input requirements have made switchgrass, Panicum virgatum L., a leading candidate lignocellulosic bioenergy crop. Large-scale lignocellulosic biofuel production from such crops is limited by the difficulty to deconstruct cell walls into fermentable sugars: the recalcitrance problem. Our goal in this study was to assess the field performance of switchgrass plants overexpressing the switchgrass MYB4 (PvMYB4) transcription factor gene. PvMYB4 transgenic switchgrass can have great lignin reduction, which commensurately increases sugar release and biofuel production. Our results over two growing seasons showed that one transgenic event (out of eight) had important gains in both biofuel (32 % more) and biomass (63 % more) at the end of the second growing season relative to non-transgenic controls. These gains represent a doubling of biofuel production per hectare, which is the highest gain reported from any field-grown modified feedstock. In contrast to this transgenic event, which had relatively low ectopic overexpression of the transgene, five of the eight transgenic events planted did not survive the first field winter. The dead plants were all high-overexpressing events that performed well in the earlier greenhouse studies. Disease susceptibility was not compromised in any transgenic events over the field experiments. These results demonstrate the power of modifying the expression of an endogenous transcription factor to improve biofuel and biomass simultaneously, and also highlight the importance of field studies for "sorting" transgenic events. Further research is needed to develop strategies for fine-tuning temporal-spatial transgene expression in feedstocks to optimize desired phenotypes.
C1 [Baxter, Holly L.; Poovaiah, Charleson R.; Mazarei, Mitra; Stewart, C. Neal, Jr.] Univ Tennessee, Dept Plant Sci, Knoxville, TN 37996 USA.
[Yee, Kelsey L.; Rodriguez, Miguel, Jr.; Thompson, Olivia A.; Mielenz, Jonathan R.; Davison, Brian H.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Shen, Hui; Chen, Fang; Dixon, Richard A.] Univ N Texas, Dept Biol Sci, Denton, TX 76203 USA.
[Turner, Geoffrey B.; Decker, Stephen R.; Sykes, Robert W.; Davis, Mark F.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Baxter, Holly L.; Poovaiah, Charleson R.; Yee, Kelsey L.; Mazarei, Mitra; Rodriguez, Miguel, Jr.; Thompson, Olivia A.; Shen, Hui; Turner, Geoffrey B.; Decker, Stephen R.; Sykes, Robert W.; Chen, Fang; Davis, Mark F.; Mielenz, Jonathan R.; Davison, Brian H.; Dixon, Richard A.; Stewart, C. Neal, Jr.] Oak Ridge Natl Lab, BioEnergy Sci Ctr BESC, Oak Ridge, TN 37831 USA.
RP Stewart, CN (reprint author), Oak Ridge Natl Lab, BioEnergy Sci Ctr BESC, Oak Ridge, TN 37831 USA.
EM nealstewart@utk.edu
RI Davison, Brian/D-7617-2013; Poovaiah, Charleson/C-6777-2012;
OI Davison, Brian/0000-0002-7408-3609; davis, mark/0000-0003-4541-9852;
Poovaiah, Charleson/0000-0001-7157-5176
FU BioEnergy Science Center; Office of Biological and Environmental
Research in the DOE Office of Science; University of Tennessee
AgResearch; USDA Hatch grant
FX We thank Angela Ziebell, Erica Gjersing, Crissa Doeppke, Melvin Tucker,
Logan Schuster, Kimberly Mazza, Melissa Glenn, and Kevin Cowley for
their assistance with the cell wall characterization. We thank Reggie
Millwood for his assistance with the USDA APHIS BRS permitting and
adherence to regulations, Joshua Grant for preparing and propagating the
plants for field planting, and Ben Wolfe, Marcus Laxton, Johnathan
Branson, and the "UT field crew" for the general maintenance and
applying fungicide in the field. We thank Arnold Saxton for his
assistance with the field design and statistical analyses. This work was
supported by funding from the BioEnergy Science Center. The BioEnergy
Science Center is a US Department of Energy Bioenergy Research Center
supported by the Office of Biological and Environmental Research in the
DOE Office of Science. Field research was also supported by University
of Tennessee AgResearch and a USDA Hatch grant.
NR 44
TC 6
Z9 6
U1 5
U2 25
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 910
EP 921
DI 10.1007/s12155-014-9570-1
PG 12
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400003
ER
PT J
AU Ray, P
Ishiga, T
Decker, SR
Turner, GB
Craven, KD
AF Ray, Prasun
Ishiga, Takako
Decker, Stephen R.
Turner, Geoffrey B.
Craven, Kelly D.
TI A Novel Delivery System for the Root Symbiotic Fungus, Sebacina
vermifera, and Consequent Biomass Enhancement of Low Lignin COMT
Switchgrass Lines
SO BIOENERGY RESEARCH
LA English
DT Article
DE Switchgrass; Mycorrhizae; Sebacina; COMT
ID PANICUM-VIRGATUM; ETHANOL; ECTOMYCORRHIZAL; SOIL; HYDROLYSIS; ENDOPHYTE;
BACTERIA; POPULUS; ENERGY; PLANT
AB Sebacina vermifera (MAFF-305830) is a mycorrhizal fungus originally isolated from the roots of orchids that we have previously shown to be tremendously beneficial in enhancing biomass yield and drought tolerance in switchgrass, an important bioenergy crop for cellulosic ethanol production in the United States. Towards this end, we have developed a bentonite clay particle-based delivery system for mass production and dissemination of S. vermifera for large-scale field trials. A greenhouse-based experiment was conducted to evaluate this novel delivery method for biomass enhancement of wild type and transgenic, low lignin (COMT down-regulated) switchgrass lines compared to an efficient in vitro colonization method. S. vermifera colonization enhanced plant biomass regardless of delivery method, although the percentage of fungal biomass in planta increased with the clay-based delivery system. Further, we found that release of some clay minerals in solution was enhanced in the presence of S. vermifera, while others were seemingly reduced. Intriguingly, the presence of S. vermifera has little or no impact on cell wall composition, including lignification. This research is the first report documenting the development of a bentonite clay particle-based delivery system for mass production of any symbiotic microbe and suggests that S. vermifera can be packaged with a mineral composite and effectively delivered to a target host plant.
C1 [Ray, Prasun; Ishiga, Takako; Craven, Kelly D.] Samuel Roberts Noble Fdn Inc, Div Plant Biol, Ardmore, OK 73401 USA.
[Decker, Stephen R.; Turner, Geoffrey B.] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA.
RP Craven, KD (reprint author), Samuel Roberts Noble Fdn Inc, Div Plant Biol, 2510 Sam Noble Pkwy, Ardmore, OK 73401 USA.
EM kdcraven@noble.org
FU Bioenergy Science Center, a US Department of Energy Bioenergy Research
Center through the Office of Biological and Environmental Research in
the DOE Office of Science
FX S. vermifera (MAFF-305830) used in this study was obtained from the
National Institute of Agro-biological Sciences, Tsukuba, Ibaraki, Japan.
The COMT lines used in this study were provided by Chunxiang Fu and
Zeng-Yu Wang, Forage Improvement Division, The Samuel Roberts Noble
Foundation. We thank Crissa Doeppke, Melissa Glenn, Kimberly Mazza,
Logan Schuster, and Kevin Cowley in NREL for their efforts in preparing
samples for the HTP recalcitrance pipeline; Erica Gjersing Robert Sykes
and Mark Davis in NREL for cell wall composition analysis; David Huhman
for ion chromatography; Stacy Allen for qRT-PCR; Jin Nakashima for
assistance with SEMand confocal microscopy; Stephen L. Webb for
assistance with statistical analysis; and Myoung-Hwan Chi, Blue Stewart,
Colleen Elles, and Amanda Hammon for greenhouse assistance. This work
was supported by the Bioenergy Science Center, a US Department of Energy
Bioenergy Research Center, through the Office of Biological and
Environmental Research in the DOE Office of Science.
NR 30
TC 1
Z9 1
U1 6
U2 25
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 922
EP 933
DI 10.1007/s12155-015-9636-8
PG 12
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400004
ER
PT J
AU Lu, FC
Karlen, SD
Regner, M
Kim, H
Ralph, SA
Sun, RC
Kuroda, K
Augustin, MA
Mawson, R
Sabarez, H
Singh, T
Jimenez-Monteon, G
Zakaria, S
Hill, S
Harris, PJ
Boerjan, W
Wilkerson, CG
Mansfield, SD
Ralph, J
AF Lu, Fachuang
Karlen, Steven D.
Regner, Matt
Kim, Hoon
Ralph, Sally A.
Sun, Run-Cang
Kuroda, Ken-ichi
Augustin, Mary Ann
Mawson, Raymond
Sabarez, Henry
Singh, Tanoj
Jimenez-Monteon, Gerardo
Zakaria, Sarani
Hill, Stefan
Harris, Philip J.
Boerjan, Wout
Wilkerson, Curtis G.
Mansfield, Shawn D.
Ralph, John
TI Naturally p-Hydroxybenzoylated Lignins in Palms
SO BIOENERGY RESEARCH
LA English
DT Article
DE Lignin acylation; Transferase; NMR; DFRC method; Poplar;
p-Hydroxybenzoic acid; Monolignol
ID FRUIT-BUNCH FIBERS; O-METHYLTRANSFERASE ACTIVITY; OIL PALM;
STRUCTURAL-CHARACTERIZATION; CELL-WALLS; 2D NMR; FERULATE 5-HYDROXYLASE;
FRACTIONAL ISOLATION; ERYTHRO/THREO RATIO; TRANSGENIC POPLARS
AB The industrial production of palm oil concurrently generates a substantial amount of empty fruit bunch (EFB) fibers that could be used as a feedstock in a lignocellulose-based biorefinery. Lignin byproducts generated by this process may offer opportunities for the isolation of value-added products, such as p-hydroxybenzoate (pBz), to help offset operating costs. Analysis of the EFB lignin by nuclear magnetic resonance (NMR) spectroscopy clearly revealed the presence of bound acetate and pBz, with saponification revealing that 1.1 wt% of the EFB was pBz; with a lignin content of 22.7 %, 4.8 % of the lignin is pBz that can be obtained as a pure component for use as a chemical feedstock. Analysis of EFB lignin by NMR and derivatization followed by reductive cleavage (DFRC) showed that pBz selectively acylates the gamma-hydroxyl group of S units. This selectivity suggests that pBz, analogously with acetate in kenaf, p-coumarate in grasses, and ferulate in a transgenic poplar augmented with a feruloyl-CoA monolignol transferase (FMT), is incorporated into the growing lignin chain via its gamma-p-hydroxybenzoylated monolignol conjugate. Involvement of such conjugates in palm lignification is proven by the observation of novel p-hydroxybenzoylated non-resinol beta-beta-coupled units in the lignins. Together, the data implicate the existence of p-hydroxybenzoyl-CoA:monolignol transferases that are involved in lignification in the various willows (Salix spp.), poplars and aspen (Populus spp., family Salicaceae), and palms (family Arecaceae) that have p-hydroxybenzoylated lignins. Even without enhancing the levels by breeding or genetic engineering, current palm oil EFB 'wastes' should be able to generate a sizeable stream of p-hydroxybenzoic acid that offers opportunities for the development of value-added products derived from the oil palm industry.
C1 [Lu, Fachuang; Karlen, Steven D.; Regner, Matt; Kim, Hoon; Ralph, Sally A.] Univ Wisconsin, Wisconsin Energy Inst, Dept Energys, Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
[Lu, Fachuang; Regner, Matt; Kim, Hoon; Ralph, Sally A.] Univ Wisconsin, Dept Biochem, Madison, WI 53706 USA.
[Ralph, Sally A.] USDA, Forest Serv, US Forest Prod Lab, Madison, WI 53726 USA.
[Sun, Run-Cang] Beijing Forestry Univ, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China.
[Kuroda, Ken-ichi] Kyushu Univ, Fac Agr, Dept Forest & Forest Prod Sci, Fukuoka 8128581, Japan.
[Augustin, Mary Ann; Mawson, Raymond; Sabarez, Henry; Singh, Tanoj] CSIRO Food Nutr & Bioprod Flagship, Werribee, Vic 3030, Australia.
[Jimenez-Monteon, Gerardo] USA ARS Dairy Forage Res Ctr, Madison, WI 53706 USA.
[Zakaria, Sarani] Univ Kebangsaan Malaysia, Bioresources & Biorefinery Lab, Bangi 43600, Malaysia.
[Hill, Stefan] Scion, Rotorua 3046, New Zealand.
[Harris, Philip J.] Univ Auckland, Sch Biol Sci, Auckland 1, New Zealand.
[Boerjan, Wout] VIB, Dept Plant Syst Biol, B-9052 Ghent, Belgium.
[Boerjan, Wout] Univ Ghent, Dept Plant Biotechnol & Bioinformat, B-9052 Ghent, Belgium.
[Wilkerson, Curtis G.] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
[Wilkerson, Curtis G.] Michigan State Univ, Dept Biochem & Mol Biol, E Lansing, MI 48824 USA.
[Wilkerson, Curtis G.] Michigan State Univ, Dept Energys, Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA.
[Mansfield, Shawn D.] Univ British Columbia, Dept Wood Sci, Vancouver, BC V6T 1Z4, Canada.
[Ralph, John] Univ Wisconsin, Wisconsin Energy Inst, Dept Biochem, Madison, WI 53726 USA.
[Ralph, John] Univ Wisconsin, Wisconsin Energy Inst, DOE Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
RP Ralph, J (reprint author), Univ Wisconsin, Wisconsin Energy Inst, Dept Biochem, 1552 Univ Ave, Madison, WI 53726 USA.
EM jralph@wisc.edu
RI U-ID, Kyushu/C-5291-2016; Harris, Philip/P-9317-2016; Singh,
Tanoj/H-5705-2013
OI Harris, Philip/0000-0003-1807-8079; Singh, Tanoj/0000-0002-0413-1935
FU DOE Great Lakes Bioenergy Research Center (DOE BER Office of Science)
[DE-FC02-07ER64494]; DOE Energy Biosciences program [DE-AI02-00ER15067,
DE-FG02-03ER15442]; USDA-CSREES National Research Initiatives (Improved
Utilization of Wood and Wood Fiber) [2001-02176]; NSF [CHE9974839]
FX We gratefully acknowledge partial funding through the DOE Great Lakes
Bioenergy Research Center (DOE BER Office of Science DE-FC02-07ER64494),
DOE Energy Biosciences program (#DE-AI02-00ER15067, #DE-FG02-03ER15442),
USDA-CSREES National Research Initiatives (Improved Utilization of Wood
and Wood Fiber #2001-02176), and, for the reported ESI-MS data, the
purchase of the Waters LCT (R) in 2000 that was partially funded by NSF
Award #CHE9974839 to the University of Wisconsin Department of
Chemistry. WB acknowledges the Multidisciplinary Research Partnership
(01MRB510W) 'Biotechnology for a Sustainable Economy.'
NR 73
TC 13
Z9 13
U1 9
U2 38
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 934
EP 952
DI 10.1007/s12155-015-9583-4
PG 19
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400005
ER
PT J
AU Lupoi, JS
Healey, A
Singh, S
Sykes, R
Davis, M
Lee, DJ
Shepherd, M
Simmons, BA
Henry, RJ
AF Lupoi, Jason S.
Healey, Adam
Singh, Seema
Sykes, Robert
Davis, Mark
Lee, David J.
Shepherd, Merv
Simmons, Blake A.
Henry, Robert J.
TI High-Throughput Prediction of Acacia and Eucalypt Lignin
Syringyl/Guaiacyl Content Using FT-Raman Spectroscopy and Partial Least
Squares Modeling
SO BIOENERGY RESEARCH
LA English
DT Article
DE Lignocellulose; Raman spectroscopy; High-throughput; Multivariate
analysis; Lignin S/G; Eucalyptus; Corymbia; Acacia
ID CELL-WALL DEGRADABILITY; STRUCTURAL FEATURES; WOOD; POPULUS; GLOBULUS;
HARDWOOD; RELEASE; SPECTRA; MAIZE
AB High-throughput techniques are necessary to efficiently screen potential lignocellulosic feedstocks for the production of renewable fuels, chemicals, and bio-based materials, thereby reducing experimental time and expense while supplanting tedious, destructive methods. The ratio of lignin syringyl (S) to guaiacyl (G) monomers has been routinely quantified as a way to probe biomass recalcitrance. Mid-infrared and Raman spectroscopy have been demonstrated to produce robust partial least squares models for the prediction of lignin S/G ratios in a diverse group of Acacia and eucalypt trees. The most accurate Raman model has now been used to predict the S/G ratio from 269 unknown Acacia and eucalypt feedstocks. This study demonstrates the application of a partial least squares model composed of Raman spectral data and lignin S/G ratios measured using pyrolysis/molecular beam mass spectrometry (pyMBMS) for the prediction of S/G ratios in an unknown data set. The predicted S/G ratios calculated by the model were averaged according to plant species, and the means were not found to differ from the pyMBMS ratios when evaluating the mean values of each method within the 95 % confidence interval. Pairwise comparisons within each data set were employed to assess statistical differences between each biomass species. While some pairwise appraisals failed to differentiate between species, Acacias, in both data sets, clearly display significant differences in their S/G composition which distinguish them from eucalypts. This research shows the power of using Raman spectroscopy to supplant tedious, destructive methods for the evaluation of the lignin S/G ratio of diverse plant biomass materials.
C1 [Lupoi, Jason S.; Healey, Adam; Simmons, Blake A.; Henry, Robert J.] Univ Queensland, Queensland Alliance Agr & Food Innovat, St Lucia, Qld 4072, Australia.
[Lupoi, Jason S.; Singh, Seema; Simmons, Blake A.] Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Singh, Seema; Simmons, Blake A.] Sandia Natl Labs, Biol & Mat Sci Ctr, Livermore, CA 94551 USA.
[Sykes, Robert; Davis, Mark] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Sykes, Robert; Davis, Mark] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
[Lee, David J.] Univ Sunshine Coast, Forest Ind Res Ctr, Maroochydore, Qld 4558, Australia.
[Lee, David J.] Queensland Dept Agr Fisheries & Forestry, Maroochydore, Qld 4558, Australia.
[Shepherd, Merv] So Cross Univ, Southern Cross Plant Sci, East Lismore, NSW 2480, Australia.
RP Lupoi, JS (reprint author), Univ Queensland, Queensland Alliance Agr & Food Innovat, 306 Carmody Rd, St Lucia, Qld 4072, Australia.
EM jslupoi@lbl.gov; adam.healey@uq.net.au; seesing@sandia.gov;
Robert.Sykes@nrel.gov; Mark.Davis@nrel.gov; dlee@usc.edu.au;
mervyn.shepherd@scu.edu.au; basimmons@lbl.gov; robert.henry@uq.edu.au
RI Henry, Robert/B-5824-2008; Shepherd, Mervyn/F-1068-2011;
OI Henry, Robert/0000-0002-4060-0292; Shepherd, Mervyn/0000-0001-8708-4670;
davis, mark/0000-0003-4541-9852
FU Queensland Alliance for Agriculture and Food Innovation; Joint BioEnergy
Institute; Office of Science, Office of Biological and Environmental
Research, of the US Department of Energy [DE-AC02-05CH11231]; Office of
Biological and Environmental Research in the DOE Office of Science
FX This manuscript was supported as part of a collaboration between the
Queensland Alliance for Agriculture and Food Innovation and the Joint
BioEnergy Institute. The work conducted by the Joint BioEnergy Institute
was supported by the Office of Science, Office of Biological and
Environmental Research, of the US Department of Energy under contract
no. DE-AC02-05CH11231. The BioEnergy Science Center is a US Department
of Energy Bioenergy Research Center supported by the Office of
Biological and Environmental Research in the DOE Office of Science. The
authors would like to thank Erica Gjersing at the National Renewable
Energy Lab, for assistance and guidance with respect to the
high-throughput pyMBMS pipeline, and John Bartle, Western Australian
Department of Environment and Conservation, for the collecting and
processing of some the wood samples and information regarding the
environmental specifications of the growing site. The material from the
Queensland and New South Wales sites was accessed from Queensland
Department of Agriculture, Fisheries and Forestry trials.
NR 26
TC 2
Z9 2
U1 4
U2 21
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 953
EP 963
DI 10.1007/s12155-015-9578-1
PG 11
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400006
ER
PT J
AU Sykes, RW
Gjersing, EL
Doeppke, CL
Davis, MF
AF Sykes, Robert W.
Gjersing, Erica L.
Doeppke, Crissa L.
Davis, Mark F.
TI High-Throughput Method for Determining the Sugar Content in Biomass with
Pyrolysis Molecular Beam Mass Spectrometry
SO BIOENERGY RESEARCH
LA English
DT Article
DE Glucose; Xylose; Recalcitrance; Prediction; Herbaceous; Conifer;
Hardwood; Bioenergy
ID CORN STOVER; CELLULOSE; PLATFORM; BIOFUELS
AB There is an important need to assess biomass recalcitrance in large populations of both natural and transgenic plants to identify promising candidates for lignocellulosic biofuel production. In order to properly test and optimize parameters for biofuel production, the starting sugar content must be known to calculate percent sugar yield and conversion efficiencies. Pyrolysis molecular beam mass spectrometry (py-MBMS) has been used as a high-throughput method for determination of lignin content and structure, and this report demonstrates its applicability for determining glucose, xylose, arabinose, galactose, and mannose content in biomass. Biomass from conifers, hardwoods, and herbaceous species were used to create a 44 sample partial least squares (PLS) regression models of py-MBMS spectra-based sugar estimates on high-performance liquid chromatography (HPLC) sugar content data. The total sugar py-MBMS regression model had a R (2) of 0.91 with a 0.17 mg/mg root mean square error of validation indicating accurate estimation of total sugar content for a range of biomass types. Models were validated using eight independent biomass samples from multiple species, with predictions falling within errors of the HPLC data. With a data collection time of 1.5 min per sample, py-MBMS serves as a rapid high-throughput method for quantifying sugar content in biomass.
C1 [Sykes, Robert W.; Gjersing, Erica L.; Doeppke, Crissa L.; Davis, Mark F.] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
[Sykes, Robert W.; Gjersing, Erica L.; Doeppke, Crissa L.; Davis, Mark F.] BioEnergy Sci Ctr, Golden, CO 80401 USA.
RP Sykes, RW (reprint author), Natl Renewable Energy Lab, Natl Bioenergy Ctr, 15013 Denver West Pkwy, Golden, CO 80401 USA.
EM robert.sykes@nrel.gov
OI davis, mark/0000-0003-4541-9852
FU Office of Biological and Environmental Research in the DOE Office of
Science; US Department of Energy [DE-AC36-08-GO28308]; National
Renewable Energy Laboratory
FX This work was conducted as part of the BioEnergy Science Center (BESC).
The BESC is a US Department of Energy Bioenergy Research Center
supported by the Office of Biological and Environmental Research in the
DOE Office of Science. This work was supported by the US Department of
Energy under contract no. DE-AC36-08-GO28308 with the National Renewable
Energy Laboratory.
NR 27
TC 1
Z9 1
U1 2
U2 39
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 964
EP 972
DI 10.1007/s12155-015-9610-5
PG 9
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400007
ER
PT J
AU Sathitsuksanoh, N
Sawant, M
Truong, Q
Tan, J
Canlas, CG
Sun, N
Zhang, W
Renneckar, S
Prasomsri, T
Shi, J
Cetinkol, O
Singh, S
Simmons, BA
George, A
AF Sathitsuksanoh, Noppadon
Sawant, Manali
Truong, Quoc
Tan, Jared
Canlas, Christian G.
Sun, Ning
Zhang, Wei
Renneckar, Scott
Prasomsri, Teerawit
Shi, Jian
Cetinkol, Oezguel
Singh, Seema
Simmons, Blake A.
George, Anthe
TI How Alkyl Chain Length of Alcohols Affects Lignin Fractionation and
Ionic Liquid Recycle During Lignocellulose Pretreatment
SO BIOENERGY RESEARCH
LA English
DT Article
DE Biofuels; Pretreatment; Ionic liquids; Lignin; Ionic liquid recycle
ID ENZYMATIC-HYDROLYSIS; NMR-SPECTROSCOPY; DILUTE-ACID; CELLULOSE; BIOMASS;
SWITCHGRASS; SACCHARIFICATION; ACCESSIBILITY; TECHNOLOGIES
AB Alcohols of increasing alkyl chain length were investigated as precipitants in an ionic liquid (IL) pretreatment system. Switchgrass samples pretreated by 1-ethyl-3-methylimidazolium acetate were characterized after the use of different alkyl chain lengths of alcohols as antisolvents. The resulting IL-pretreated switchgrass (PSG) samples were characterized by enzymatic hydrolysis, cross polarization/magic angle spinning (CP/MAS) C-13 nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FTIR), and 2D NMR spectroscopy. Glucan digestibilities of PSG samples were similar to 80 % after 72 h at 5 mg protein g(-1) glucan regardless of the antisolvent used. The use of 1-octanol as an antisolvent, with 10 % water to allow for use of wet biomass, enabled a partial lignin fractionation and multiphase separation for the IL recycle without compromising the chemical structure of the carbohydrates and lignin from the PSG. Lignin fragments were observed in the IL after pretreatment by gel permeation chromatography (GPC). After separation, both the IL and the octanol antisolvent were reused for switchgrass pretreatment and precipitation for an additional 3 cycles. The PSG samples derived from recycled IL were rapidly hydrolyzed, and a high glucan digestibility of 80 % was obtained even at a low enzyme loading of 5 mg protein g(-1) glucan. 2D NMR analysis of residual solids of PSG post-enzymatic hydrolysis revealed that lignin in these residual solids was depolymerized. This strategy enables an ease in separation of pretreated lignocellulosic solids, reduced water use, and recycle of both IL and the antisolvent.
C1 [Sathitsuksanoh, Noppadon; Sawant, Manali; Truong, Quoc; Tan, Jared; Sun, Ning; Shi, Jian; Cetinkol, Oezguel; Singh, Seema; Simmons, Blake A.; George, Anthe] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Sathitsuksanoh, Noppadon; Sawant, Manali; Truong, Quoc; Tan, Jared; Sun, Ning; Cetinkol, Oezguel] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Canlas, Christian G.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Zhang, Wei; Renneckar, Scott] Virginia Tech, Dept Biomat, Blacksburg, VA 24061 USA.
[Prasomsri, Teerawit] MIT, Dept Chem Engn, Cambridge, MA 02139 USA.
[Shi, Jian; Singh, Seema; Simmons, Blake A.; George, Anthe] Sandia Natl Labs, Livermore, CA 94551 USA.
[Cetinkol, Oezguel] Middle E Tech Univ, Dept Chem, TR-06800 Ankara, Turkey.
RP George, A (reprint author), Joint BioEnergy Inst, 5885 Hollis St, Emeryville, CA 94608 USA.
EM ageorge@lbl.gov
FU Office of Biological and Environmental Research in the DOE Office of
Science through the Joint BioEnergy Institute (JBEI) [DE-AC02-05CH11231]
FX This work is supported by the Office of Biological and Environmental
Research in the DOE Office of Science through the Joint BioEnergy
Institute (JBEI) (Contract number DE-AC02-05CH11231). We would like to
thank Novozymes (R) North American for providing CTec2 and HTec2 enzyme
mixtures. We were grateful to Professor John Ralph of the Biochemistry
Department, University of Wisconsin (USA) for his helpful suggestions on
HSQC experiments.
NR 16
TC 2
Z9 3
U1 6
U2 40
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 973
EP 981
DI 10.1007/s12155-015-9643-9
PG 9
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400008
ER
PT J
AU Li, CL
Tanjore, D
He, W
Wong, J
Gardner, JL
Thompson, VS
Yancey, NA
Sale, KL
Simmons, BA
Singh, S
AF Li, Chenlin
Tanjore, Deepti
He, Wei
Wong, Jessica
Gardner, James L.
Thompson, Vicki S.
Yancey, Neal A.
Sale, Kenneth L.
Simmons, Blake A.
Singh, Seema
TI Scale-Up of Ionic Liquid-Based Fractionation of Single and Mixed
Feedstocks
SO BIOENERGY RESEARCH
LA English
DT Article
DE Biomass pretreatment; Scale-up; Ionic liquid pretreatment; Mixed
feedstocks
ID COMPARATIVE SUGAR RECOVERY; LIGNOCELLULOSIC BIOMASS;
ENZYMATIC-HYDROLYSIS; CORN STOVER; PRETREATMENT; SWITCHGRASS;
EXTRACTION; TECHNOLOGIES; FERMENTATION; LOADINGS
AB Lignocellulosic biorefineries have tonnage and throughput requirements that must be met year round, and there is no single feedstock available in any given region that is capable of meeting the price and availability demands of the biorefineries. Ionic liquid (IL) pretreatment with certain ILs is receiving significant attentions as a potential process that enables fractionation of a wide range of feedstocks and produces high yields of fermentable sugars suitable for biofuel production. Building on the large-scale demonstration of a single herbaceous feedstock (switchgrass), this work extends scale-up of IL pretreatment to woody (eucalyptus) and mixed feedstock (mixtures of two) by 30-fold, relative to the bench scale (6 vs 0.2 L) at 10 % solid loading. The mixed feedstock recovered similar yields of glucan (99.7 %), xylan (62.8 %), and lignin (59.9 %) as switchgrass and eucalyptus at 6-L scale operation, and results of all three feedstocks are better than those obtained from small-scale studies. By integrating the process of IL pretreatment with efficient and scalable homogenization, washing, and product recovery system, IL contents in the recovered materials were decreased to 0.2 %, mitigating the risk to downstream enzymatic saccharification and microbial fermentation. Results indicate that mixed feedstock are viable and valuable resource to consider when assessing biomass availability and affordability for lignocellulosic biorefineries. This scale-up evaluation demonstrates that IL pretreatment technology is feedstock agnostic and can be effectively scaled to larger operations.
C1 [Li, Chenlin; Tanjore, Deepti; He, Wei; Wong, Jessica; Gardner, James L.] Lawrence Berkeley Natl Lab, Adv Biofuels Proc Demonstrat Unit, Emeryville, CA 94720 USA.
[Thompson, Vicki S.] Idaho Natl Lab, Dept Syst Biol, Idaho Falls, ID USA.
[Yancey, Neal A.] Biofuels & Renewable Energy Technol Dept, Idaho Falls, ID USA.
[Sale, Kenneth L.; Simmons, Blake A.; Singh, Seema] Joint BioEnergy Inst, Deconstruct Div, Emeryville, CA USA.
[Sale, Kenneth L.; Simmons, Blake A.; Singh, Seema] Sandia Natl Labs, Biol & Mat Sci Ctr, Livermore, CA USA.
RP Li, CL (reprint author), Lawrence Berkeley Natl Lab, Adv Biofuels Proc Demonstrat Unit, Emeryville, CA 94720 USA.
EM CLi@lbl.gov
RI Thompson, Vicki/B-9086-2017
OI Thompson, Vicki/0000-0003-4975-392X
FU Office of Biomass Program within the US DOE's Office of Energy
Efficiency and Renewable Energy; American Recovery and Reinvestment Act;
US DOE's Office of Science, Office of Biological and Environmental
Research [DE-AC02-05CH11231]
FX ABPDU would like to acknowledge the funding support from Office of
Biomass Program within the US DOE's Office of Energy Efficiency and
Renewable Energy and also the funding support from the American Recovery
and Reinvestment Act. JBEI would like to acknowledge the funding support
from US DOE's Office of Science, Office of Biological and Environmental
Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley
National Laboratory and the US DOE. The authors would like to thank the
Idaho National Laboratory for providing the switchgrass and eucalyptus
used in this work.
NR 33
TC 7
Z9 7
U1 7
U2 39
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 982
EP 991
DI 10.1007/s12155-015-9587-0
PG 10
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400009
ER
PT J
AU Pu, YQ
Hu, F
Huang, F
Ragauskas, AJ
AF Pu, Yunqiao
Hu, Fan
Huang, Fang
Ragauskas, Arthur J.
TI Lignin Structural Alterations in Thermochemical Pretreatments with
Limited Delignification
SO BIOENERGY RESEARCH
LA English
DT Article
DE Lignin; Thermochemical pretreatment; Limited delignification; Structural
alterations; Recalcitrance
ID DILUTE-ACID PRETREATMENT; HOT-WATER PRETREATMENT; SUBSEQUENT
ENZYMATIC-HYDROLYSIS; BIOETHANOL PRODUCTION PROCESS; STEAM-EXPLODED
WOOD; CORN STOVER; LIGNOCELLULOSIC BIOMASS; HYDROTHERMAL PRETREATMENT;
ETHANOL-PRODUCTION; WHEAT-STRAW
AB Lignocellulosic biomass has a complex and rigid cell wall structure that makes biomass recalcitrant to biological and chemical degradation. Among the three major structural biopolymers (i.e., cellulose, hemicellulose, and lignin) in plant cell walls, lignin is considered the most recalcitrant component and generally plays a negative role in the biochemical conversion of biomass to biofuels. The conversion of biomass to biofuels through a biochemical platform usually requires a pretreatment stage to reduce the recalcitrance. Pretreatment renders compositional and structural changes of biomass with these changes ultimately governing the efficiency of the subsequent enzymatic hydrolysis. Dilute acid, hot water, steam explosion, and ammonia fiber expansion pretreatments are among the leading thermochemical pretreatments with a limited delignification that can reduce biomass recalcitrance. Practical applications of these pretreatment are rapidly developing as illustrated by recent commercial scale cellulosic ethanol plants. While these thermochemical pretreatments generally lead to only a limited delignification and no significant change of lignin content in the pretreated biomass, the lignin transformations that occur during these pretreatments and the roles they play in recalcitrance reduction are important research aspects. This review highlights recent advances in our understanding of lignin alterations during these limited delignification thermochemical pretreatments, with emphasis on lignin chemical structures, molecular weights, and redistributions in the pretreated biomass.
C1 [Pu, Yunqiao; Ragauskas, Arthur J.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Hu, Fan; Huang, Fang] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA.
[Ragauskas, Arthur J.] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN USA.
[Ragauskas, Arthur J.] Univ Tennessee, Ctr Renewable Carbon, Dept Forestry Wildlife & Fisheries, Knoxville, TN USA.
[Pu, Yunqiao; Hu, Fan; Ragauskas, Arthur J.] BioEnergy Sci Ctr, Oak Ridge, TN USA.
RP Ragauskas, AJ (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM aragausk@utk.edu
RI Pu, Yunqiao/H-3206-2016;
OI Pu, Yunqiao/0000-0003-2554-1447; Ragauskas, Arthur/0000-0002-3536-554X
FU U.S. Department of Energy [DE-AC05-00OR22725]; BioEnergy Science Center
(BESC); Office of Biological and Environmental Research in the DOE
Office of Science
FX This manuscript has been authored by UT-Battelle, LLC under Contract No.
DE-AC05-00OR22725 with the U.S. Department of Energy. The work was
supported and performed as part of the BioEnergy Science Center (BESC).
The BioEnergy Science Center is a U.S. Department of Energy Bioenergy
Research Center supported by the Office of Biological and Environmental
Research in the DOE Office of Science.
NR 117
TC 6
Z9 6
U1 13
U2 41
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 992
EP 1003
DI 10.1007/s12155-015-9655-5
PG 12
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400010
ER
PT J
AU Shi, J
George, KW
Sun, N
He, W
Li, CL
Stavila, V
Keasling, JD
Simmons, BA
Lee, TS
Singh, S
AF Shi, Jian
George, Kevin W.
Sun, Ning
He, Wei
Li, Chenlin
Stavila, Vitalie
Keasling, Jay D.
Simmons, Blake A.
Lee, Taek Soon
Singh, Seema
TI Impact of Pretreatment Technologies on Saccharification and Isopentenol
Fermentation of Mixed Lignocellulosic Feedstocks
SO BIOENERGY RESEARCH
LA English
DT Article
DE Mixed feedstock; Biomass pellet; Biomass pretreatment; Isopentenol;
Simultaneous saccharification and fermentation; Ionic liquid; Dilute
acid; Soaking aqueous ammonia
ID IONIC LIQUID PRETREATMENT; DILUTE SULFURIC-ACID; ENZYMATIC-HYDROLYSIS;
SUGAR YIELDS; ETHANOL-PRODUCTION; AQUEOUS AMMONIA; PARTICLE-SIZE; CORN
STOVER; SWITCHGRASS; BIOMASS
AB In order to enable the large-scale production of biofuels or chemicals from lignocellulosic biomass, a consistent and affordable year-round supply of lignocellulosic feedstocks is essential. Feedstock blending and/or densification offers one promising solution to overcome current challenges on biomass supply, i.e., low energy and bulk densities and significant compositional variations. Therefore, it is imperative to develop conversion technologies that can process mixed pelleted biomass feedstocks with minimal negative impact in terms of overall performance of the relevant biorefinery unit operations: pretreatment, fermentable sugar production, and fuel titers. We processed the mixture of four feedstocks-corn stover, switchgrass, lodgepole pine, and eucalyptus (1:1:1:1 on dry weight basis)-in flour and pellet form using ionic liquid (IL) 1-ethyl-3-methylimidazolium acetate, dilute sulfuric acid (DA), and soaking in aqueous ammonia (SAA) pretreatments. Commercial enzyme mixtures, including cellulases and hemicellulases, were then applied to these pretreated feedstocks at low to moderate enzyme loadings to determine hydrolysis efficiency. Results show significant variations on the chemical composition, crystallinity, and enzymatic digestibility of the pretreated feedstocks across the different pretreatment technologies studied. The advanced biofuel isopentenol was produced during simultaneous saccharification and fermentation (SSF) of pretreated feedstocks using an engineered Escherichia coli strain. Results show that IL pretreatment liberates the most sugar during enzymatic saccharification, and in turn led to the highest isopentenol titer as compared to DA and SAA pretreatments. This study provides insights on developing biorefinery technologies that produce advanced biofuels based on mixed feedstock streams.
C1 [Shi, Jian; George, Kevin W.; Sun, Ning; Stavila, Vitalie; Keasling, Jay D.; Simmons, Blake A.; Lee, Taek Soon; Singh, Seema] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Shi, Jian; Stavila, Vitalie; Simmons, Blake A.; Singh, Seema] Sandia Natl Labs, Biol & Mat Sci Ctr, Livermore, CA 94551 USA.
[George, Kevin W.; Sun, Ning; Keasling, Jay D.; Lee, Taek Soon] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[He, Wei; Li, Chenlin] Lawrence Berkeley Natl Lab, ABPDU, Emeryville, CA USA.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
RP Singh, S (reprint author), Sandia Natl Labs, Biol & Mat Sci Ctr, 7011 East Ave, Livermore, CA 94551 USA.
EM seesing@sandia.gov
OI Simmons, Blake/0000-0002-1332-1810
FU Office of Science, Office of Biological and Environmental Research, of
the US Department of Energy [DE-AC02-05CH11231]; Office of Biomass
Program within the US DOE's Office of Energy Efficiency and Renewable
Energy; American Recovery and Reinvestment Act
FX This work conducted by the Joint BioEnergy Institute was supported by
the Office of Science, Office of Biological and Environmental Research,
of the US Department of Energy under Contract No. DE-AC02-05CH11231.
ABPDU acknowledges the funding support from Office of Biomass Program
within the US DOE's Office of Energy Efficiency and Renewable Energy,
and also the funding support from the American Recovery and Reinvestment
Act. We acknowledge Vicki S. Thompson and Neal A. Yancey from Idaho
National Laboratory for providing biomass feedstocks and Sonny Zhang for
lab assistance. We thank Novozymes for the gift of the enzyme mixtures
used in this study.
NR 38
TC 4
Z9 6
U1 7
U2 34
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1004
EP 1013
DI 10.1007/s12155-015-9588-z
PG 10
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400011
ER
PT J
AU Yee, KL
Rodriguez, M
Hamilton, CY
Hamilton-Brehm, SD
Thompson, OA
Elkins, JG
Davison, BH
Mielenz, JR
AF Yee, Kelsey L.
Rodriguez, Miguel, Jr.
Hamilton, Choo Y.
Hamilton-Brehm, Scott D.
Thompson, Olivia A.
Elkins, James G.
Davison, Brian H.
Mielenz, Jonathan R.
TI Fermentation of Dilute Acid Pretreated Populus by Clostridium
thermocellum, Caldicellulosiruptor bescii, and Caldicellulosiruptor
obsidiansis
SO BIOENERGY RESEARCH
LA English
DT Article
DE Clostridium thermocellum; Caldicellulosiruptor bescii;
Caldicellulosiruptor obsidiansis; Consolidated bioprocessing; Dilute
acid pretreated Populus; Thermophilic fermentation
ID FREE QUANTITATIVE PROTEOMICS; PLANT BIOMASS; HYDROGEN-PRODUCTION;
CELLULOSIC BIOMASS; ATCC 27405; SIMULTANEOUS SACCHARIFICATION;
CRYSTALLINE CELLULOSE; THERMOPHILIC BACTERIA; BIOFUEL PRODUCTION;
ETHANOL-PRODUCTION
AB Consolidated bioprocessing (CBP), which merges enzyme production, biomass hydrolysis, and fermentation into a single step, has the potential to become an efficient and economic strategy for the bioconversion of lignocellulosic feedstocks to transportation fuels or chemicals. In this study, we evaluated wild-type Clostridium thermocellum, Caldicellulosiruptor bescii, and Caldicellulosiruptor obsidiansis, three thermophilic, cellulolytic, mixed-acid fermenting candidate CBP microorganisms, for their fermentation capabilities using dilute acid pretreated Populus as a model biomass feedstock. Under pH-controlled anaerobic fermentation conditions, each candidate successfully digested a minimum of 75 % of the cellulose from dilute acid pretreated Populus, as indicated by an increase in planktonic cells and end-product metabolites and a concurrent decrease in glucan content. C. thermocellum, which employs a cellulosomal approach to biomass degradation, required approximately 50 h to achieve 75 % cellulose utilization. In contrast, the noncellulosomal, secreted hydrolytic enzyme system of the Caldicellulosiruptor sp. required about 100 h after a significant lag phase to achieve similar results. End-point fermentation conversions for C. thermocellum, C. bescii, and C. obsidiansis were determined to be 0.29, 0.34, and 0.38 g of total metabolites per gram of loaded glucan, respectively. These data provide a starting point for future strain engineering efforts that can serve to improve the biomass fermentation capabilities of these three promising candidate CBP platforms.
C1 [Yee, Kelsey L.; Rodriguez, Miguel, Jr.; Hamilton, Choo Y.; Hamilton-Brehm, Scott D.; Thompson, Olivia A.; Elkins, James G.; Davison, Brian H.; Mielenz, Jonathan R.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Yee, Kelsey L.; Rodriguez, Miguel, Jr.; Hamilton, Choo Y.; Hamilton-Brehm, Scott D.; Thompson, Olivia A.; Elkins, James G.; Davison, Brian H.; Mielenz, Jonathan R.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Hamilton, Choo Y.] Univ Tennessee, Inst Agr, Ctr Renewable Carbon, Knoxville, TN 37996 USA.
[Mielenz, Jonathan R.] White Cliff Biosyst, Rockwood, TN 37854 USA.
[Hamilton-Brehm, Scott D.] Dessert Res Inst, Div Earth & Ecosyst Sci, Las Vegas, NV 89119 USA.
[Yee, Kelsey L.] Genomat Inc, San Diego, CA 92121 USA.
RP Davison, BH (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM kelseylynnyee@gmail.com; rodriguezmjr@ornl.gov; chamilto@utk.edu;
Scott.HamiltonBrehm@dri.edu; oathompson12@gmail.com; elkinsjg@ornl.gov;
davisonbh@ornl.gov; biofuels4me@gmail.com
RI Davison, Brian/D-7617-2013;
OI Davison, Brian/0000-0002-7408-3609; Elkins, James G./0000-0002-8052-5688
FU Bioenergy Science Center (BESC), a US Department of Energy Bioenergy
Research Center - Office of Biological and Environmental Research in the
DOE Office of Science; DOE [DE-AC05-00OR22725]
FX This research was funded by the Bioenergy Science Center (BESC) which is
a US Department of Energy Bioenergy Research Center supported by the
Office of Biological and Environmental Research in the DOE Office of
Science. The pretreatment of the Populus sample was performed by Robert
Sykes and others at the National Renewable Energy Laboratory. ORNL is
managed by UT-Battelle, LLC, Oak Ridge, TN, USA, for the DOE under
contract DE-AC05-00OR22725.
NR 46
TC 1
Z9 1
U1 1
U2 14
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1014
EP 1021
DI 10.1007/s12155-015-9659-1
PG 8
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400012
ER
PT J
AU Bukhman, YV
DiPiazza, NW
Piotrowski, J
Shao, J
Halstead, AGW
Bui, MD
Xie, EH
Sato, TK
AF Bukhman, Yury V.
DiPiazza, Nathan W.
Piotrowski, Jeff
Shao, Jason
Halstead, Adam G. W.
Minh Duc Bui
Xie, Enhai
Sato, Trey K.
TI Modeling Microbial Growth Curves with GCAT
SO BIOENERGY RESEARCH
LA English
DT Article
DE Growth curves; Cell-based assays; HTS; Software
ID SACCHAROMYCES-CEREVISIAE; BACTERIAL-GROWTH; FERMENTATION; EQUATIONS
AB In this work, we introduce the Growth Curve Analysis Tool (GCAT). GCAT is designed to enable efficient analysis of high-throughput microbial growth curve data collected from cultures grown in microtiter plates. GCAT is accessible through a web browser, making it easy to use and operating system independent. GCAT implements fitting of global sigmoid curve models and local regression (LOESS) model. We assess the relative merits of these approaches using experimental data. Additionally, GCAT implements heuristics to deal with some peculiarities of growth curve data commonly encountered in bioenergy research. GCAT server is publicly available at http://gcat-pub.glbrc.org. The source code is available at http://code.google.com/p/gcat-hts/.
C1 [Bukhman, Yury V.; DiPiazza, Nathan W.; Piotrowski, Jeff; Minh Duc Bui; Xie, Enhai; Sato, Trey K.] Univ Wisconsin, Wisconsin Energy Inst, Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
[Shao, Jason] Univ Washington, Dept Biostat, Seattle, WA 98195 USA.
[Halstead, Adam G. W.] Univ Wisconsin, Dept Med, Madison, WI 53705 USA.
RP Bukhman, YV (reprint author), Univ Wisconsin, Wisconsin Energy Inst, Great Lakes Bioenergy Res Ctr, 1552 Univ Ave, Madison, WI 53726 USA.
EM ybukhman@glbrc.wisc.edu
FU DOE Great Lakes Bioenergy Research Center (DOE BER Office of Science)
[DE-FC02-07ER64494]
FX We gratefully acknowledge Drs. David Benton, Richard LeDuc, Peris
Navarro, and Steven Slater for encouragement and stimulating
discussions. James McCurdy and Michael H. Whitney contributed to GCAT
software development. Branden Timm was instrumental in the deployment of
GCAT software and gave valuable advice on security. This work was funded
by the DOE Great Lakes Bioenergy Research Center (DOE BER Office of
Science DE-FC02-07ER64494).
NR 30
TC 3
Z9 3
U1 4
U2 23
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1022
EP 1030
DI 10.1007/s12155-015-9584-3
PG 9
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400013
ER
PT J
AU Wu, YW
Joshua, C
Eichorst, SA
Gladden, JM
Simmons, BA
Singer, SW
AF Wu, Yu-Wei
Joshua, Chijioke
Eichorst, Stephanie A.
Gladden, John M.
Simmons, Blake A.
Singer, Steven W.
TI Genomic Analysis of Xylose Metabolism in Members of the
Deinoccocus-Thermus Phylum from Thermophilic Biomass-Deconstructing
Bacterial Consortia
SO BIOENERGY RESEARCH
LA English
DT Article
DE Truepera; Metagenome; Xylan; Switchgrass; Consortium
ID GLYCOSIDE HYDROLASE ACTIVITIES; ACID-SEQUENCE SIMILARITIES;
CLASSIFICATION; SWITCHGRASS; FAMILY
AB Members of the phylum Deinoccocus-Thermus are adapted to grow under extremes of temperature and radiation. Some of these members have broad applications in biotechnology. However, the specific role of members of Deinoccocus-Thermus in plant biomass deconstruction remains largely unknown. Adaptations of thermophilic communities to grow on plant biomass substrates as the sole carbon source have consistently produced consortia with abundant populations affiliated with the Deinoccocus-Thermus. One of these populations was closely related to cultured isolates of Thermus thermophilus, while the second population, termed NIC-1, was distantly related to Truepera radiovictrix. NIC-1 was abundant in adapted cultures grown on xylan-rich substrates, while the T. thermophilus was virtually absent. To begin to understand the origin of this selection, genomic comparisons of xylan and xylose metabolism were undertaken between NIC-1, recovered from the metagenome obtained from an ammonia fiber expansion (AFEX)-pretreated switchgrass-adapted consortium and a T. thermophilus isolate from a related high temperature switchgrass adaptation. While both genomes indicated relatively limited capabilities to hydrolyze xylan, the NIC-1 genome had a putative operon for xylose utilization, while xylose metabolism genes were absent from the T. thermophilus genome. Comparison of multiple T. thermophilus genomes indicated that the genes for xylose metabolism were present on a plasmid in only one strain. Inspection of metagenomic dataset for adapted communities that contain T. thermophilus indicated that the plasmid is present in the T. thermophilus populations but may be lost upon isolation.
C1 [Wu, Yu-Wei; Joshua, Chijioke; Eichorst, Stephanie A.; Gladden, John M.; Simmons, Blake A.; Singer, Steven W.] Joint BioEnergy Inst, Deconstruct Div, Emeryville, CA USA.
[Wu, Yu-Wei; Joshua, Chijioke; Eichorst, Stephanie A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Eichorst, Stephanie A.] Univ Vienna, Div Microbial Ecol, A-1090 Vienna, Austria.
[Gladden, John M.; Simmons, Blake A.] Sandia Natl Labs, Biol & Engn Sci Ctr, Livermore, CA USA.
[Singer, Steven W.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Singer, SW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM SWSinger@lbl.gov
RI Eichorst, Stephanie A/A-1079-2017
OI Eichorst, Stephanie A/0000-0002-9017-7461
FU US Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; Office of Science of the US
Department of Energy [DE-AC02-05CH11231]
FX This work was performed as part of the DOE Joint BioEnergy Institute
(http://www.jbei.org) supported by the US Department of Energy, Office
of Science, Office of Biological and Environmental Research, through
contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory
and the US Department of Energy. Sequencing was conducted by the Joint
Genome Institute which is supported by the Office of Science of the US
Department of Energy under contract no. DE-AC02-05CH11231. We would like
to thank Susannah Tringe, Tijana Glavina Del Rio, and Stephanie Malfatti
of the Joint Genome Institute for their assistance in obtaining and
processing sequencing data.
NR 36
TC 1
Z9 1
U1 1
U2 4
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1031
EP 1038
DI 10.1007/s12155-015-9600-7
PG 8
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400014
ER
PT J
AU Brumm, P
Land, ML
Hauser, LJ
Jeffries, CD
Chang, YJ
Mead, DA
AF Brumm, Phillip
Land, Miriam L.
Hauser, Loren J.
Jeffries, Cynthia D.
Chang, Yun-Juan
Mead, David A.
TI Complete Genome Sequence of Geobacillus strain Y4.1MC1, a Novel
CO-Utilizing Geobacillus thermoglucosidasius Strain Isolated from Bath
Hot Spring in Yellowstone National Park
SO BIOENERGY RESEARCH
LA English
DT Article
DE Carbon monoxide; Carbon fixation; Wood-Ljungdahl pathway; Yellowstone
National Park; Geobacillus thermoglucosidasius
ID CARBON-MONOXIDE; GEN. NOV.; RNA GENES; BACTERIA; STEAROTHERMOPHILUS;
DEHYDROGENASES; KAUSTOPHILUS; GENETICS; ACCURACY; SYSTEM
AB Geobacillus thermoglucosidasius Y4.1MC1 was isolated from a boiling spring in the lower geyser basin of Yellowstone National Park. This species is of interest because of its metabolic versatility. The genome consists of one circular chromosome of 3,840,330 bp and a circular plasmid of 71,617 bp with an average GC content of 44.01 %. The genome is available in the GenBank database (NC_014650.1 and NC_014651.1). In addition to the expected metabolic pathways for sugars and amino acids, the Y4.1MC1 genome codes for two separate carbon monoxide utilization pathways, an aerobic oxidation pathway and an anaerobic reductive acetyl CoA (Wood-Ljungdahl) pathway. This is the first report of a non-anaerobic organism with the Wood-Ljungdahl pathway. This anaerobic pathway permits the strain to utilize H-2 and fix CO2 present in the hot spring environment. Y4.1MC1 and its related species may play a significant role in carbon capture and sequestration in thermophilic ecosystems and may open up new routes to produce biofuels and chemicals from CO, H-2, and CO2.
C1 [Brumm, Phillip] C5 6 Technol Inc, Middleton, WI 53562 USA.
[Land, Miriam L.; Hauser, Loren J.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Jeffries, Cynthia D.; Chang, Yun-Juan] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM USA.
[Mead, David A.] Lucigen Corp, Middleton, WI USA.
RP Brumm, P (reprint author), C5 6 Technol Inc, Middleton, WI 53562 USA.
EM pbrumm@c56technologies.com
RI Land, Miriam/A-6200-2011
OI Land, Miriam/0000-0001-7102-0031
FU DOE Great Lakes Bioenergy Research Center (DOE Office of Science BER)
[DE-FC02-07ER64494]; US Department of Energy's Office of Science,
Biological and Environmental Research Program; University of California,
Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]; Lawrence
Livermore National Laboratory [DE-AC52-07NA27344]; Los Alamos National
Laboratory [DE-AC02-06NA25396]
FX This work was funded by the DOE Great Lakes Bioenergy Research Center
(DOE Office of Science BER DE-FC02-07ER64494). Sequencing work was
performed under the auspices of the US Department of Energy's Office of
Science, Biological and Environmental Research Program, and by the
University of California, Lawrence Berkeley National Laboratory under
contract No. DE-AC02-05CH11231, Lawrence Livermore National Laboratory
under Contract No. DE-AC52-07NA27344, and Los Alamos National Laboratory
under contract No. DE-AC02-06NA25396.
NR 37
TC 3
Z9 3
U1 1
U2 7
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1039
EP 1045
DI 10.1007/s12155-015-9585-2
PG 7
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400015
ER
PT J
AU Konda, NVSNM
Singh, S
Simmons, BA
Klein-Marcuschamer, D
AF Konda, N. V. S. N. Murthy
Singh, Seema
Simmons, Blake A.
Klein-Marcuschamer, Daniel
TI An Investigation on the Economic Feasibility of Macroalgae as a
Potential Feedstock for Biorefineries
SO BIOENERGY RESEARCH
LA English
DT Article
DE Macroalgae biorefinery; Technoeconomic analysis (TEA); Advanced
biofuels; Alginate extraction; Renewable sugars
ID PLANT SCALE EXTRACTION; IONIC LIQUID PRETREATMENT; MACROCYSTIS-PYRIFERA;
BIOFUEL PRODUCTION; LIGNOCELLULOSIC BIOFUELS; TECHNOECONOMIC ANALYSIS;
ENZYMATIC-HYDROLYSIS; ANAEROBIC-DIGESTION; ALGINIC ACID; CONVERSION
AB Macroalgal biomass has been considered as a prospective feedstock for biofuel production as, among other benefits, it is an abundant source of renewable sugars and its growth does not require arable land, fresh water, or intense care. Successful commercial deployment of macroalgae-based biorefineries, however, depends on their economic viability at industrial scales. A key objective of this study was to carry out a detailed technoeoconomic analysis (TEA) of a macroalgae biorefinery to understand the economic potential and cost drivers of macroalgae as a feedstock for the production of biofuels and biochemicals. Ethanol was used as a representative macroalgae-derived product, given the wealth of public information available to model this option, and the analysis was extended to biomass-derived sugars in order to explore the production of other fermentation-derived chemicals. Sensitivity analysis was performed on various cost drivers, such as macroalgae price, yield, solids loading, and enzyme loading during hydrolysis. With a feedstock price of $100/MT, depending on the maturity of the other key process parameters (i.e., yield, solids loading, and enzyme loading), the minimum ethanol selling price (MESP) was observed to be in the range of $3.6-8.5/gal and reduced to $2.9-7.5/gal with macroalgae priced at $50/MT. For production of chemicals, sugar prices were in the range of A cent 21-47/lb or A cent 16-40/lb with macroalgae priced at $100/MT and $50/MT, respectively. Given the challenging economics of the macroalgae biorefinery, coproduction of alginate was used to show the importance of multiple revenue sources, though issues regarding market saturation continue to arise when dealing with products of disparate market sizes.
C1 [Konda, N. V. S. N. Murthy; Klein-Marcuschamer, Daniel] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Singh, Seema; Simmons, Blake A.] Sandia Natl Labs, Biol & Mat Sci Ctr, Livermore, CA 94551 USA.
[Klein-Marcuschamer, Daniel] Univ Queensland, Dow Ctr Sustainable Engn Innovat, St Lucia, Qld, Australia.
RP Klein-Marcuschamer, D (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
EM MurthyKonda@lbl.gov; ssingh@lbl.gov; basimmons@lbl.gov; dklein@lbl.gov
OI Simmons, Blake/0000-0002-1332-1810
FU Office of Science, Office of Biological and Environmental Research of
the US Department of Energy [DE-AC02-05CH11231]; Statoil; Dow Centre for
Sustainable Engineering Innovation
FX This work conducted by the Joint BioEnergy Institute was supported by
the Office of Science, Office of Biological and Environmental Research
of the US Department of Energy under contract no. DE-AC02-05CH11231.
Financial support from Statoil is appreciated. DKM was partly funded by
the Dow Centre for Sustainable Engineering Innovation.
NR 35
TC 4
Z9 4
U1 7
U2 36
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1046
EP 1056
DI 10.1007/s12155-015-9594-1
PG 11
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400016
ER
PT J
AU Tanger, P
Vega-Sanchez, ME
Fleming, M
Tran, K
Singh, S
Abrahamson, JB
Jahn, CE
Santoro, N
Naredo, EB
Baraoidan, M
Danku, JMC
Salt, DE
McNally, KL
Simmons, BA
Ronald, PC
Leung, H
Bush, DR
McKay, JK
Leach, JE
AF Tanger, Paul
Vega-Sanchez, Miguel E.
Fleming, Margaret
Tran, Kim
Singh, Seema
Abrahamson, James B.
Jahn, Courtney E.
Santoro, Nicholas
Naredo, Elizabeth B.
Baraoidan, Marietta
Danku, John M. C.
Salt, David E.
McNally, Kenneth L.
Simmons, Blake A.
Ronald, Pamela C.
Leung, Hei
Bush, Daniel R.
McKay, John K.
Leach, Jan E.
TI Cell Wall Composition and Bioenergy Potential of Rice Straw Tissues Are
Influenced by Environment, Tissue Type, and Genotype
SO BIOENERGY RESEARCH
LA English
DT Article
DE Environmental variation; Mixed linkage glucan; Saccharification
efficiency; HRGPs; Density; Forage
ID NEUTRAL DETERGENT FIBER; ENZYMATIC SACCHARIFICATION;
CHEMICAL-COMPOSITION; BIOMASS COMPOSITION; LIGNIN CONTENT; BIOFUEL
PRODUCTION; GENETIC-VARIATION; SUGAR RELEASE; WHEAT-STRAW; CROSS-LINK
AB Breeding has transformed wild plant species into modern crops, increasing the allocation of their photosynthetic assimilate into grain, fiber, and other products for human use. Despite progress in increasing the harvest index, much of the biomass of crop plants is not utilized. Potential uses for the large amounts of agricultural residues that accumulate are animal fodder or bioenergy, though these may not be economically viable without additional efforts such as targeted breeding or improved processing. We characterized leaf and stem tissue from a diverse set of rice genotypes (varieties) grown in two environments (greenhouse and field) and report bioenergy-related traits across these variables. Among the 16 traits measured, cellulose, hemicelluloses, lignin, ash, total glucose, and glucose yield changed across environments, irrespective of the genotypes. Stem and leaf tissue composition differed for most traits, consistent with their unique functional contributions and suggesting that they are under separate genetic control. Plant variety had the least influence on the measured traits. High glucose yield was associated with high total glucose and hemicelluloses, but low lignin and ash content. Bioenergy yield of greenhouse-grown biomass was higher than field-grown biomass, suggesting that greenhouse studies overestimate bioenergy potential. Nevertheless, glucose yield in the greenhouse predicts glucose yield in the field (rho = 0.85, p < 0.01) and could be used to optimize greenhouse (GH) and field breeding trials. Overall, efforts to improve cell wall composition for bioenergy require consideration of production environment, tissue type, and variety.
C1 [Tanger, Paul; Jahn, Courtney E.; McKay, John K.; Leach, Jan E.] Colorado State Univ, Bioagr Sci & Pest Management, Ft Collins, CO 80523 USA.
[Vega-Sanchez, Miguel E.; Abrahamson, James B.; Ronald, Pamela C.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Fleming, Margaret; Bush, Daniel R.] Colorado State Univ, Dept Biol, Ft Collins, CO 80523 USA.
[Tran, Kim; Singh, Seema; Simmons, Blake A.] Sandia Natl Labs, Livermore, CA USA.
[Santoro, Nicholas] Michigan State Univ, Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA.
[Naredo, Elizabeth B.; Baraoidan, Marietta; McNally, Kenneth L.; Leung, Hei] Int Rice Res Inst, Los Banos, Laguna, Philippines.
[Danku, John M. C.; Salt, David E.] Univ Aberdeen, Inst Biol & Environm Sci, Aberdeen, Scotland.
[Ronald, Pamela C.] Univ Calif Davis, Dept Plant Pathol, Davis, CA 95616 USA.
[Ronald, Pamela C.] Univ Calif Davis, Genome Ctr, Davis, CA 95616 USA.
[Vega-Sanchez, Miguel E.; Tran, Kim; Singh, Seema; Abrahamson, James B.; Simmons, Blake A.; Ronald, Pamela C.] Joint BioEnergy Inst, Emeryville, CA USA.
RP Leach, JE (reprint author), Colorado State Univ, Bioagr Sci & Pest Management, 1177 Campus Delivery, Ft Collins, CO 80523 USA.
EM jan.leach@colostate.edu
RI Danku, John/C-3477-2014; McKay, John/K-3875-2012;
OI Danku, John/0000-0002-5103-3852; McKay, John/0000-0003-4311-5513;
McNally, Kenneth/0000-0002-9613-5537; Tanger, Paul/0000-0002-4991-4108;
Simmons, Blake/0000-0002-1332-1810
FU Office of Science, Office of Biological and Environmental Research of
the U.S. Department of Energy (DOE-BER) [DE-FG02-08ER64629];
International Rice Research Institute (IRRI); U.S. Agency for
International Development (USAID) Linkage grant [DRPC2011-42]; U.S.
Department of Agriculture National Institute of Food and Agriculture
(USDA-NIFA) [2008-35504-0485]; Colorado State University Energy
Institute, Department of Energy Great Lakes Bioenergy Research Center
Office of Science [DE-FC02-07ER64494]; DOE-BER [DE-AC02-05CH11231]; U.S.
National Science Foundation (NSF) [IOS 0701119]
FX We thank members of the authors' labs for technical assistance with
sample preparation and Jim ZumBrunnen from the Colorado State University
Statistics Department for assistance with statistical analyses. This
research was funded with support from Office of Science, Office of
Biological and Environmental Research of the U.S. Department of Energy
(DOE-BER) under Contract No. DE-FG02-08ER64629, International Rice
Research Institute (IRRI) and U.S. Agency for International Development
(USAID) Linkage grant DRPC2011-42, U.S. Department of Agriculture
National Institute of Food and Agriculture (USDA-NIFA) award
2008-35504-0485, the Colorado State University Energy Institute,
Department of Energy Great Lakes Bioenergy Research Center Office of
Science Grant DE-FC02-07ER64494, and the Joint BioEnergy Institute
supported by DOE-BER under Contract No. DE-AC02-05CH11231 and U.S.
National Science Foundation (NSF), Plant Genome Research Program Grant
#IOS 0701119.
NR 83
TC 3
Z9 3
U1 4
U2 33
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1165
EP 1182
DI 10.1007/s12155-014-9573-y
PG 18
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400024
ER
PT J
AU Stoklosa, RJ
Hodge, DB
AF Stoklosa, Ryan J.
Hodge, David B.
TI Fractionation and Improved Enzymatic Deconstruction of Hardwoods with
Alkaline Delignification
SO BIOENERGY RESEARCH
LA English
DT Article
DE Delignification; Alkaline pretreatment; Lignin; Xylan; Soda pulping
ID CORN STOVER; LIGNOCELLULOSIC BIOFUELS; PRETREATMENT; KRAFT; HYDROLYSIS;
WOOD; ETHANOL; BIOMASS; POPLAR; LIGNIN
AB In this work, an alkaline delignification was investigated for several industrially relevant hardwoods to understand the kinetics of xylan solubilization and degradation and the role of residual lignin content in setting cell wall recalcitrance to enzymatic hydrolysis. Between 34 and 50 % of the xylan was solubilized during the heat-up stage of the pretreatment and undergoes degradation, depolymerization, as well as substantial disappearance of the glucuronic acid substitutions on the xylan during the bulk delignification phase. An important finding is that substantial xylan is still present in the liquor without degradation. Cellulose hydrolysis yields in the range of 80 to 90 % were achievable within 24-48 h for the diverse hardwoods subjected to delignification by alkali at modest enzyme loadings. It was found that substantial delignification was not necessary to achieve these high hydrolysis yields and that hybrid poplar subjected to pretreatment removing only 46 % of the lignin was capable of reaching yields comparable to hybrid poplar pretreated to 67 or 86 % lignin removal. Decreasing the lignin content was found to increase the initial rate of cellulose hydrolysis to glucose while lignin contents under approximately 70 mg/g original biomass were found to slightly decrease the maximum extent of hydrolysis, presumably due to drying-induced cellulose aggregation and pore collapse. Pretreatments were performed on woodchips, which necessitated a "disintegration" step following pretreatment. This allowed the effect of comminution method to be investigated for the three hardwoods subjected to the highest level of delignification. It was found that additional knife-milling following distintegration did not impact either the rate or extent of glucan and xylan hydrolysis.
C1 [Stoklosa, Ryan J.; Hodge, David B.] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA.
[Stoklosa, Ryan J.; Hodge, David B.] Michigan State Univ, DOE Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA.
[Hodge, David B.] Michigan State Univ, Dept Biosyst & Agr Engn, E Lansing, MI 48824 USA.
[Hodge, David B.] Lulea Univ Technol, Div Sustainable Proc Engn, S-95187 Lulea, Sweden.
RP Hodge, DB (reprint author), Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA.
EM hodgeda@egr.msu.edu
FU Northeast Sun Grant Initiative; NSF Due Grant [0757020]
FX Ryan Stoklosa was supported in part by funding from the Northeast Sun
Grant Initiative. Natassa Christides (Michigan State University
Department of Chemical Engineering and Materials Science) provided
laboratory assistance and was supported by an NSF Due Grant (#0757020).
NR 47
TC 9
Z9 9
U1 2
U2 21
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1224
EP 1234
DI 10.1007/s12155-015-9579-0
PG 11
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400029
ER
PT J
AU Grabber, JH
Santoro, N
Foster, CE
Elumalai, S
Ralph, J
Pan, XJ
AF Grabber, John H.
Santoro, Nicholas
Foster, Cliff E.
Elumalai, Sasikumar
Ralph, John
Pan, Xuejun
TI Incorporation of Flavonoid Derivatives or Pentagalloyl Glucose into
Lignin Enhances Cell Wall Saccharification Following Mild Alkaline or
Acidic Pretreatments
SO BIOENERGY RESEARCH
LA English
DT Article
DE Monolignols; Genetic engineering; Pretreatment; Enzymatic hydrolysis;
Cellulosic biofuel
ID ENZYMATIC DEGRADATION; BIOFUEL PRODUCTION; MAIZE; DELIGNIFICATION;
IMPLEMENTATION; DIGESTIBILITY; LIGNIFICATION; GRASSES; PLANTS; CROPS
AB Partial substitution of normal monolignols with phenolic precursors from other metabolic pathways may improve the susceptibility of lignified biomass to chemical pretreatment and enzymatic saccharification for biofuel production. Flavonoids and gallate esters readily undergo oxidative coupling reactions, suggesting they could serve as alternate monomers for forming lignin in plants. To test this premise, primary cell walls of Zea mays (L.) were artificially lignified with normal monolignols plus various flavan-3-ol/phenolic ester derivatives, flavonol glycoside/gallate ester derivatives, or pentagalloyl glucose added as 0 or 45 % of the precursor mixture. Most alternate monomers readily copolymerized with normal monolignols, but wall-bound lignin was most efficiently formed with epicatechin, epicatechin gallate, epigallocatechin gallate, or hyperoside. Yields of glucose from a high-throughput digestibility platform were used to examine how lignin modifications affected the susceptibility of cell walls to enzymatic hydrolysis following alkaline or acidic pretreatments of different severities. With the exception of hyperoside, incorporation of alternate monomers into lignin improved yields of enzymatically released glucose by 18-60 % after mild alkaline pretreatment and by 6-34 % after mild acid pretreatment. Responses due to lignin modification diminished as pretreatment severity increased. Overall, our results suggest that apoplastic deposition of pentagalloyl glucose or gallated flavan-3-ols such as epicatechin gallate or epigallocatechin gallate for incorporation into lignin could be promising plant genetic engineering targets for improving sugar yields from grass biomass crops that are subjected to low-temperature alkaline pretreatments.
C1 [Grabber, John H.] USDA ARS, US Dairy Forage Res Ctr, Madison, WI 53706 USA.
[Santoro, Nicholas; Foster, Cliff E.] Michigan State Univ, DOE Great Lakes Bioenergy Res Ctr, E Lansing, MI 48823 USA.
[Elumalai, Sasikumar; Pan, Xuejun] Univ Wisconsin, Dept Biol Syst Engn, Madison, WI 53706 USA.
[Ralph, John] Univ Wisconsin, Wisconsin Energy Inst, Dept Biochem, Madison, WI 53726 USA.
[Ralph, John] Univ Wisconsin, Wisconsin Energy Inst, DOE Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
RP Grabber, JH (reprint author), USDA ARS, US Dairy Forage Res Ctr, 1925 Linden Dr West, Madison, WI 53706 USA.
EM john.grabber@ars.usda.gov
FU Stanford University's Global Climate and Energy Project (GCEP);
USDA-ARS; DOE Great Lakes Bioenergy Research Center (DOE BER Office of
Science) [DE-FC02-07ER64494]
FX This work was funded by Stanford University's Global Climate and Energy
Project (GCEP) and by USDA-ARS in-house funds. CF, NS, and JR were
funded by the DOE Great Lakes Bioenergy Research Center (DOE BER Office
of Science DE-FC02-07ER64494). The authors thank Novozymes (Franklinton,
NC) for generously providing enzymes for this research. Mention of trade
names or commercial products in this publication is solely for the
purpose of providing specific information and does not imply
recommendation or endorsement by the U.S. Department of Agriculture.
NR 37
TC 1
Z9 1
U1 4
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1939-1234
EI 1939-1242
J9 BIOENERG RES
JI BioEnergy Res.
PD SEP
PY 2015
VL 8
IS 3
BP 1391
EP 1400
DI 10.1007/s12155-015-9605-2
PG 10
WC Energy & Fuels; Environmental Sciences
SC Energy & Fuels; Environmental Sciences & Ecology
GA CQ7GG
UT WOS:000360770400045
ER
PT J
AU Pandini, A
Kleinjung, J
Taylor, WR
Junge, W
Khan, S
AF Pandini, Alessandro
Kleinjung, Jens
Taylor, Willie R.
Junge, Wolfgang
Khan, Shahid
TI The Phylogenetic Signature Underlying ATP Synthase c-Ring Compliance
SO BIOPHYSICAL JOURNAL
LA English
DT Article
ID ELASTIC POWER TRANSMISSION; F-O SECTOR; SUBUNIT C; PROTEIN STRUCTURES;
CROSS-LINKING; ROTOR RING; ALLOSTERIC COMMUNICATION;
ILYOBACTER-TARTARICUS; RESIDUE CONSERVATION; SEQUENCE ALIGNMENTS
AB The proton-driven ATP synthase (FOF1) is comprised of two rotary, stepping motors (F-O and F-1) coupled by an elastic power transmission. The elastic compliance resides in the rotor module that includes the membrane-embedded FO c-ring. Proton transport by FO is firmly coupled to the rotation of the c-ring relative to other FO subunits (ab(2)). It drives ATP synthesis. We used a computational method to investigate the contribution of the c-ring to the total elastic compliance. We performed principal component analysis of conformational ensembles built using distance constraints from the bovine mitochondrial c-ring x-ray structure. Angular rotary twist, the dominant ring motion, was estimated to show that the c-ring accounted in part for the measured compliance. Ring rotation was entrained to rotation of the external helix within each hairpin-shaped c-subunit in the ring. Ensembles of monomer and dimers extracted from complete c-rings showed that the coupling between collective ring and the individual subunit motions was independent of the size of the c-ring, which varies between organisms. Molecular determinants were identified by covariance analysis of residue coevolution and structural-alphabet-based local dynamics correlations. The residue coevolution gave a readout of subunit architecture. The dynamic couplings revealed that the hinge for both ring and subunit helix rotations was constructed from the proton-binding site and the adjacent glycine motif (IB-GGGG) in the midmembrane plane. IB-GGGG motifs were linked by long-range couplings across the ring, while intrasubunit couplings connected the motif to the conserved cytoplasmic loop and adjacent segments. The correlation with principal collective motions shows that the couplings underlie both ring rotary and bending motions. Noncontact couplings between IB-GGGG motifs matched the coevolution signal as well as contact couplings. The residue coevolution reflects the physiological importance of the dynamics that may link proton transfer to ring compliance.
C1 [Pandini, Alessandro] Brunel Univ London, Dept Comp Sci & Synthet Biol Theme, Uxbridge, Middx, England.
[Kleinjung, Jens; Taylor, Willie R.] Francis Crick Inst, Math Biol, London, England.
[Junge, Wolfgang] Univ Osnabruck, Dept Biophys, Osnabruck, Germany.
[Khan, Shahid] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Biol Consortium, Berkeley, CA 94720 USA.
RP Khan, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Biol Consortium, Berkeley, CA 94720 USA.
EM khan@mbc-als.org
RI Pandini, Alessandro/F-9854-2012
OI Pandini, Alessandro/0000-0002-4158-233X
FU Molecular Biology Consortium; Land Niedersachsen
(Niedersachsen-Professur); Medical Research Council [U117581331]; Royal
Society [U1175-70592]
FX This work was supported by seed funds to S.K. from the Molecular Biology
Consortium. W.J. acknowledges financial support from the Land
Niedersachsen (Niedersachsen-Professur). Additional support was provided
by a Medical Research Council grant (U117581331) to J.K. and W.R.T., and
Royal Society collaborative exchange grant No. U1175-70592 to S.K. and
Dr. Justin E. Molloy.
NR 79
TC 2
Z9 2
U1 0
U2 6
PU CELL PRESS
PI CAMBRIDGE
PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA
SN 0006-3495
EI 1542-0086
J9 BIOPHYS J
JI Biophys. J.
PD SEP 1
PY 2015
VL 109
IS 5
BP 975
EP 987
DI 10.1016/j.bpj.2015.07.005
PG 13
WC Biophysics
SC Biophysics
GA CQ9UK
UT WOS:000360960500015
PM 26331255
ER
PT J
AU Fluitt, AM
de Pablo, JJ
AF Fluitt, Aaron M.
de Pablo, Juan J.
TI An Analysis of Biomolecular Force Fields for Simulations of
Polyglutamine in Solution
SO BIOPHYSICAL JOURNAL
LA English
DT Article
ID MOLECULAR-DYNAMICS SIMULATIONS; PROTEIN-FOLDING SIMULATIONS; PARTICLE
MESH EWALD; AGGREGATION NUCLEATION; NEURODEGENERATIVE DISEASES;
MONOMERIC POLYGLUTAMINE; INFRARED-SPECTROSCOPY; SECONDARY STRUCTURE;
MONTE-CARLO; CAG REPEAT
AB Polyglutamine (polyQ) peptides are a useful model system for biophysical studies of protein folding and aggregation, both for their intriguing aggregation properties and their own relevance to human disease. The genetic expansion of a polyQ tract triggers the formation of amyloid aggregates associated with nine neurodegenerative diseases. Several clearly identifiable and separable factors, notably the length of the polyQ tract, influence the mechanism of aggregation, its associated kinetics, and the ensemble of structures formed. Atomistic simulations are well positioned to answer open questions regarding the thermodynamics and kinetics of polyQ folding and aggregation. The additional, explicit representation of water permits deeper investigation of the role of solvent dynamics, and it permits a direct comparison of simulation results with infrared spectroscopy experiments. The generation of meaningful simulation results hinges on satisfying two essential criteria: achieving sufficient conformational sampling to draw statistically valid conclusions, and accurately reproducing the intermolecular forces that govern system structure and dynamics. In this work, we examine the ability of 12 biomolecular force fields to reproduce the properties of a simple, 30-residue polyQ peptide (Q(30)) in explicit water. In addition to secondary and tertiary structure, we consider generic structural properties of polymers that provide additional dimensions for analysis of the highly degenerate disordered states of the molecule. We find that the 12 force fields produce a wide range of predictions. We identify AMBER ff99SB, AMBER ff99SB*, and OPLS-AA/L to be most suitable for studies of polyQ folding and aggregation.
C1 [Fluitt, Aaron M.; de Pablo, Juan J.] Univ Chicago, Inst Mol Engn, Chicago, IL 60637 USA.
[de Pablo, Juan J.] Argonne Natl Lab, Lemont, IL USA.
RP de Pablo, JJ (reprint author), Univ Chicago, Inst Mol Engn, Chicago, IL 60637 USA.
EM depablo@uchicago.edu
FU NSF [CBET-1264021, DGE-0718123]; Biological Sciences Division of the
University of Chicago; Argonne National Laboratory [1S10OD018495-01];
NIH
FX This work was supported by NSF CBET-1264021. Some of the results
presented in this work were obtained using the computational resources
of the Research Computing Center at the University of Chicago.
Simulations were also performed on the Beagle supercomputer, which is
supported by NIH through resources provided by the Computation Institute
and the Biological Sciences Division of the University of Chicago and
Argonne National Laboratory under grant 1S10OD018495-01. We specifically
acknowledge the assistance of Dr. Lorenzo Pesce and Ana Marija Sokovic.
A.M.F. acknowledges the support of NSF DGE-0718123.
NR 100
TC 3
Z9 3
U1 3
U2 18
PU CELL PRESS
PI CAMBRIDGE
PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA
SN 0006-3495
EI 1542-0086
J9 BIOPHYS J
JI Biophys. J.
PD SEP 1
PY 2015
VL 109
IS 5
BP 1009
EP 1018
DI 10.1016/j.bpj.2015.07.018
PG 10
WC Biophysics
SC Biophysics
GA CQ9UK
UT WOS:000360960500018
PM 26331258
ER
PT J
AU Horvat, K
Mahajan, D
AF Horvat, Kristine
Mahajan, Devinder
TI Carbon dioxide-induced liberation of methane from laboratory-formed
methane hydrates
SO CANADIAN JOURNAL OF CHEMISTRY
LA English
DT Article
DE sediment hosted hydrates; gas exchange in hydrates; methane hydrate;
carbon dioxide hydrate; carbon sequestration
ID GAS HYDRATE; KINETICS; CO2; DISSOCIATION; STORAGE; CH4; REPLACEMENT;
NUCLEATION
AB This paper reports a laboratory mimic study that focused on the extraction of methane (CH4) from hydrates coupled with sequestration of carbon dioxide (CO2) as hydrates, by taking advantage of preferential thermodynamic stability of hydrates of CO2 over CH4. Five hydrate formation-decomposition runs focused on CH4-CO2 exchange, two baselines and three with host sediments, were performed in a 200 mL high-pressure Jerguson cell fitted with two glass windows that allowed visualization of the time-resolved hydrate phenomenon. The baseline pure hydrates formed from artificial seawater (75 mL) under 6400-6600 kPa CH4 or 2800-3200 kPa CO2 (hydrate forming regime), when the bath temperature was maintained within 4-6 degrees C and the gas/liquid volumetric ratio was similar to 1.7:1 in the water-excess systems. The data show that the induction time for hydrate appearance was largest at 96 h with CH4, while with CO2 the time shortened by a factor of four. However, when the secondary gas (CO2 or CH4) was injected into the system containing preformed hydrates, the entering gas formed the hydrate phase instantly (within minutes) and no lag was observed. In a system containing host Ottawa sand (104 g) and artificial seawater (38 mL), the induction period reduced to 24 h. In runs with multiple charges, the extent of hydrate formation reached 44% of the theoretical value in the water-excess system, whereas the value maximized at 23% in the gas-excess system. The CO2 hydrate formation in a system that already contained CH4 hydrates was facile and they remained stable, whereas CH4 hydrate formation in a system consisting of CO2 hydrates as hosts were initially stable, but CH4 gas in hydrates quickly exchanged with free CO2 gas to form more stable CO2 hydrates. In all five runs, even though the system was depressurized, left for over a week at room temperature, and flushed with nitrogen gas in between runs, hydrates exhibited the "memory effect", irrespective of the gas used, a result in contradiction with that reported previously in the literature. The facile CH4-CO2 exchange observed under temperature and pressure conditions that mimic naturally occurring CH4 hydrates show promise to develop a commercial carbon sequestration system.
C1 [Horvat, Kristine] SUNY Stony Brook, Mat Sci & Engn, Stony Brook, NY 11794 USA.
[Mahajan, Devinder] Brookhaven Natl Lab, Sustainable Energy Technol Dept, Upton, NY 11973 USA.
RP Mahajan, D (reprint author), Brookhaven Natl Lab, Sustainable Energy Technol Dept, Upton, NY 11973 USA.
EM dmahajan@bnl.gov
FU Office of Vice-President of Research (OVPR) at Stony Brook University;
Brookhaven National Laboratory
FX The authors thank the Office of Vice-President of Research (OVPR) at
Stony Brook University for providing funds for the work. The work was
partially supported by the Program Development funds at Brookhaven
National Laboratory.
NR 29
TC 1
Z9 1
U1 8
U2 16
PU CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
PI OTTAWA
PA 65 AURIGA DR, SUITE 203, OTTAWA, ON K2E 7W6, CANADA
SN 0008-4042
EI 1480-3291
J9 CAN J CHEM
JI Can. J. Chem.
PD SEP
PY 2015
VL 93
IS 9
SI SI
BP 998
EP 1006
DI 10.1139/cjc-2014-0562
PN 2
PG 9
WC Chemistry, Multidisciplinary
SC Chemistry
GA CQ8VS
UT WOS:000360888500013
ER
PT J
AU Stappert, K
Muthmann, J
Spielberg, ET
Mudring, AV
AF Stappert, Kathrin
Muthmann, Johanna
Spielberg, Eike T.
Mudring, Anja-Verena
TI Azobenzene-Based Organic Salts with Ionic Liquid and Liquid Crystalline
Properties
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
ID FILMS; SURFACTANTS; ANISOTROPY; SOLVENTS; BEHAVIOR; STORAGE
AB Two sets of new azobenzene-based bromide salts are synthesized, and their thermal photochromic properties are studied. Both sets are based on the imidazolium cation. The first set (1) features a symmetric biscation where two imidazolium head groups (Im) with different alkyl chains (Cn) are connected to a central azobenzene unit (Azo): [Azo(C1-Im-Cn)(2)]; n = 6, 8, 10, 12, 14. The other one contains an n-alkyl-imidazolium cation (Cn-Im) bearing a terminal azobenzene unit (C1-Azo) substituted with an alkoxy chain (O-Cm) of either two (2) or six (3) carbon atoms: [C1-Azo-O-Cm-Im-Cn]; m = 2, n = 8, 10, 12 and m = 6, n = 8, 10, 12, 14, 16. For both cation classes, the influence of alkyl chains of varying length on the thermal phase behavior was investigated by differential scanning calorimetry (DSC) and polarizing optical microscopy (POW. For five compounds (Azo(-C1-Im-C12)(2) (Id), Azo(-C1-Im-C12)(2) (1e), C1-Azo-O-C2-Im-C10 (2b), C1-Azo-O-C2-Im-C12 (2c), and C1-Azo-O-C6-Im-C16 (3e)), the formation of a liquid crystalline phase was observed. The biscationic salts (1) are all comparatively high melting organic salts (180-240 degrees C), and only the two representatives with long alkylchains (C12 and C14) exhibit liquid crystallinity. The monocationic salts with an O-C2 bridge (2) melt between 140 and 170 degrees C depending on the alkyl chain length, but from an alkyl chain of 10 and more carbon atoms on they form a smectic A liquid crystalline phase. The representatives of the third set with a O-C6 bridge qualify as ionic liquids with melting points less than 100 degrees C. However, only the representative with a hexadecyl chain forms a liquid crystalline phase. Representative single crystals for all sets of cations could be grown that allowed for single crystal structure analysis. Together with small-angle X-ray scattering experiments they allow for a more detailed understanding of the thermal properties. Through irradiation with UV-light (320-366 nm) all compounds undergo trans-cis isomerization, which reverses under visible light (440 nm).
C1 [Stappert, Kathrin; Muthmann, Johanna; Spielberg, Eike T.; Mudring, Anja-Verena] Ruhr Univ Bochum, Fak Chem & Biochem, Anorgan Chem Mat Engn & Characterizat 3, D-44780 Bochum, Germany.
[Spielberg, Eike T.; Mudring, Anja-Verena] Univ Duisburg Essen, Univ Bibliothek, D-45141 Essen, Germany.
[Mudring, Anja-Verena] Crit Mat Inst, Ames Lab, Ames, IA 50011 USA.
[Mudring, Anja-Verena] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
RP Mudring, AV (reprint author), Ruhr Univ Bochum, Fak Chem & Biochem, Anorgan Chem Mat Engn & Characterizat 3, D-44780 Bochum, Germany.
EM anja.mudring@ruhr-uni-bochum.de
OI Spielberg, Eike Torben/0000-0002-3333-5814
FU German Science Foundation DFG; Iowa State University; Critical Materials
Institute, an Energy Innovation Hub - U.S. Department of Energy, Office
of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office
FX This work was supported in part by the German Science Foundation DFG,
Iowa State University, and the Critical Materials Institute, an Energy
Innovation Hub funded by the U.S. Department of Energy, Office of Energy
Efficiency and Renewable Energy, Advanced Manufacturing Office.
NR 38
TC 4
Z9 4
U1 7
U2 31
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1528-7483
EI 1528-7505
J9 CRYST GROWTH DES
JI Cryst. Growth Des.
PD SEP
PY 2015
VL 15
IS 9
BP 4701
EP 4712
DI 10.1021/acs.cgd.5b01024
PG 12
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA CQ8OI
UT WOS:000360867300060
ER
PT J
AU Bourg, IC
Beckingham, LE
DePaolo, DJ
AF Bourg, Ian C.
Beckingham, Lauren E.
DePaolo, Donald J.
TI The Nanoscale Basis of CO2 Trapping for Geologic Storage
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Review
ID REACTIVE-SURFACE-AREA; DEEP SALINE AQUIFERS; SUPERCRITICAL
CARBON-DIOXIDE; CONTACT-ANGLE MEASUREMENTS; INTERFACIAL
DISSOLUTION-REPRECIPITATION; MOLECULAR-DYNAMICS SIMULATION; NORWEGIAN
CONTINENTAL-SHELF; DEPLETED GAS-RESERVOIR; X-RAY-DIFFRACTION; TOP-SEAL
LEAKAGE
AB Carbon capture and storage (CCS) is likely to be a critical technology to achieve large reductions in global carbon emissions over the next century. Research on the subsurface storage of CO2 is aimed at reducing uncertainties in the efficacy of CO2 storage in sedimentary rock formations. Three key parameters that have a nanoscale basis and that contribute uncertainty to predictions of CO2 trapping are the vertical permeability k(v) of seals, the residual CO2 saturation S-g,S-r in reservoir rocks, and the reactive surface area a(r) of silicate minerals. This review summarizes recent progress and identifies outstanding research needs in these areas. Available data suggest that the permeability of shale and mudstone seals is heavily dependent on clay fraction and can be extremely low even in the presence of fractures. Investigations of residual CO2 trapping indicate that CO2-induced alteration in the wettability of mineral surfaces may significantly influence S-g,S-r. Ultimately, the rate and extent of CO2 conversion to mineral phases are uncertain due to a poor understanding of the kinetics and fluids. Rapidly improving characterization techniques using X-rays and neutrons, and computing capability for simulating chemical interactions, provide promise for important advances.
C1 [Bourg, Ian C.] Princeton Univ, Dept Civil & Environm Engn, Princeton, NJ 08544 USA.
[Bourg, Ian C.] Princeton Univ, Princeton Environm Inst, Princeton, NJ 08544 USA.
[Bourg, Ian C.; Beckingham, Lauren E.; DePaolo, Donald J.] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Bourg, IC (reprint author), Princeton Univ, Dept Civil & Environm Engn, E-208 E Quad, Princeton, NJ 08544 USA.
EM bourg@princeton.edu
OI Bourg, Ian/0000-0002-5265-7229
FU Center for Nanoscale Control of Geologic CO2 (NCGC); US Department of
Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-05CH11231]
FX This research was performed under the auspices of the Center for
Nanoscale Control of Geologic CO2 (NCGC), an Energy Frontiers
Research Center funded by the US Department of Energy, Office of
Science, Office of Basic Energy Sciences under Award Number
DE-AC02-05CH11231. The lead author is grateful to Drs. Michael Celia
(Princeton), Curtis Oldenburg (LBNL), and Catherine Peters (Princeton)
for providing advice on an early draft of the manuscript.
NR 416
TC 9
Z9 9
U1 17
U2 83
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD SEP 1
PY 2015
VL 49
IS 17
BP 10265
EP 10284
DI 10.1021/acs.est.5b03003
PG 20
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA CQ7HM
UT WOS:000360773600002
PM 26266820
ER
PT J
AU Warren, JA
Riddle, ME
Graziano, DJ
Das, S
Upadhyayula, VKK
Masanet, E
Cresko, J
AF Warren, Joshua A.
Riddle, Matthew E.
Graziano, Diane J.
Das, Sujit
Upadhyayula, Venkata K. K.
Masanet, Eric
Cresko, Joe
TI Energy Impacts of Wide Band Gap Semiconductors in US Light-Duty Electric
Vehicle Fleet
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID LIFE-CYCLE ASSESSMENT; PLUG-IN HYBRID; CONSUMPTION; POWER; TECHNOLOGIES;
ELECTRONICS; DEVICES; GROWTH; CARBON; MODEL
AB Silicon carbide and gallium nitride, two leading wide band gap semiconductors with significant potential in electric vehicle power electronics, are examined from a life cycle energy perspective and compared with incumbent silicon in U.S. light-duty electric vehicle fleet. Cradle-to-gate, silicon carbide is estimated to require more than twice the energy as silicon. However, the magnitude of vehicle use phase fuel savings potential is comparatively several orders of magnitude higher than the marginal increase in cradle-to-gate energy. Gallium nitride cradle-to-gate energy requirements are estimated to be similar to silicon, with use phase savings potential similar to or exceeding that of silicon carbide. Potential energy reductions in the United States vehicle fleet are examined through several scenarios that consider the market adoption potential of electric vehicles themselves, as well as the market adoption potential of wide band gap semiconductors in electric vehicles. For the 2015-2050 time frame, cumulative energy savings associated with the deployment of wide band gap semiconductors are estimated to range from 2-20 billion GJ depending on market adoption dynamics.
C1 [Warren, Joshua A.; Das, Sujit] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Riddle, Matthew E.; Graziano, Diane J.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Upadhyayula, Venkata K. K.; Masanet, Eric] Northwestern Univ, Evanston, IL 60208 USA.
[Cresko, Joe] US DOE, Washington, DC 20585 USA.
RP Das, S (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM dass@ornl.gov
RI Masanet, Eric /I-5649-2012
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy, Industry Energy Futures Program
FX Research sponsored by the U.S. Department of Energy, Office of Energy
Efficiency and Renewable Energy, Industry Energy Futures Program.
NR 54
TC 0
Z9 0
U1 2
U2 11
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD SEP 1
PY 2015
VL 49
IS 17
BP 10294
EP 10302
DI 10.1021/acs.est.5b01627
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA CQ7HM
UT WOS:000360773600004
PM 26247853
ER
PT J
AU Stewart, BD
Cismasu, AC
Williams, KH
Peyton, BM
Nico, PS
AF Stewart, Brandy D.
Cismasu, A. Cristina
Williams, Kenneth H.
Peyton, Brent M.
Nico, Peter S.
TI Reactivity of Uranium and Ferrous Iron with Natural Iron Oxyhydroxides
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID ORGANIC-MATTER; FERRIHYDRITE; MINE; TRANSFORMATION; REDUCTION;
SEDIMENTS; SOILS; GROUNDWATER; OXIDES; FE
AB Determining key reaction pathways involving uranium and iron oxyhydroxides under oxic and anoxic conditions is essential for understanding uranium mobility as well as other iron oxyhydroxide mediated processes, particularly near redox boundaries where redox conditions change rapidly in time and space. Here we examine the reactivity of a ferrihydrite-rich sediment from a surface seep adjacent to a redox boundary at the Rifle, Colorado field site. Iron(II)-sediment incubation experiments indicate that the natural ferrihydrite fraction of the sediment is not susceptible to reductive transformation under conditions that trigger significant mineralogical transformations of synthetic ferrihydrite. No measurable Fe(II)promoted transformation was observed when the Rifle sediment was exposed to 30 mM Fe(II) for up to 2 weeks. Incubation of the Rifle sediment with 3 mM Fe(II) and 0.2 mM U(VI) for 15 days shows no measurable incorporation of U(VI) into the mineral structure or reduction of U(VI) to U(IV). Results indicate a significantly decreased reactivity of naturally occurring Fe oxyhydroxides as compared to synthetic minerals, likely due to the association of impurities (e.g., Si, organic matter), with implications for the mobility and bioavailability of uranium and other associated species in field environments.
C1 [Stewart, Brandy D.; Peyton, Brent M.] Montana State Univ, Chem & Biol Engn, Bozeman, MT 59717 USA.
[Cismasu, A. Cristina; Williams, Kenneth H.; Nico, Peter S.] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Nico, PS (reprint author), Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM psnico@lbl.gov
RI Nico, Peter/F-6997-2010; Williams, Kenneth/O-5181-2014;
OI Nico, Peter/0000-0002-4180-9397; Williams, Kenneth/0000-0002-3568-1155;
Peyton, Brent/0000-0003-0033-0651
FU U.S. Department of Energy (DOE), Office of Science, Office of Biological
and Environmental Research [DE-FG02-07ER-6436, DE-AC02-05CH11231];
Lawrence Berkeley National Laboratory's Sustainable Systems Scientific
Focus Area
FX We thank Aaron Slowey and Michael Massey for assistance with XAS data
collection. This research was funded by the U.S. Department of Energy
(DOE), Office of Science, Office of Biological and Environmental
Research under contracts DE-FG02-07ER-6436 (Montana State University)
and DE-AC02-05CH11231 (Lawrence Berkeley National Laboratory; operated
by the University of California) and is partially based upon work
supported through the Lawrence Berkeley National Laboratory's
Sustainable Systems Scientific Focus Area.
NR 55
TC 1
Z9 1
U1 5
U2 46
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD SEP 1
PY 2015
VL 49
IS 17
BP 10357
EP 10365
DI 10.1021/acs.est.5b02645
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA CQ7HM
UT WOS:000360773600011
PM 26226398
ER
PT J
AU Pavovic, J
Holder, AL
Yelyerton, TLB
AF Pavovic, Jelica
Holder, Amara L.
Yelyerton, Tiffany L. B.
TI Effects of Aftermarket Control Technologies on Gas and Particle Phase
Oxidative Potential from Diesel Engine Emissions
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID OXYGEN SPECIES ROS; PROFLUORESCENT NITROXIDE PROBE; AIRBORNE PARTICULATE
MATTER; PERSISTENT FREE-RADICALS; ULTRAFINE PARTICLES; CIGARETTE-SMOKE;
REDOX ACTIVITY; EXHAUST; AEROSOLS; NANOPARTICLES
AB Particulate matter (PM) originating from diesel combustion is a public health concern due to its association with adverse effects on respiratory and cardiovascular diseases and lung cancer. This study investigated emissions from three stationary diesel engines (genets) and varying power output (230 kW, 400 kW, and 600 kW) at 50% and 90% load to determine concentrations of gaseous (GROS) and PM reactive oxygen species (PMROS). In addition, the influence of three modern emission control technologies on ROS emissions was evaluated: active and passive diesel particulate filters (A-DPF and P-DPF) and a diesel oxidation catalyst (DOC). PMROS made up 30-50% of the total ROS measured without aftermarket controls. All applied controls removed PMROS by more than 75% on average. However, the oxidative potential of PM downstream of these devices was not diminished at the same rate and particles surviving the A-PDF had an even higher oxidative potential on a per PM mass basis compared to the particles emitted by uncontrolled gensets. Further, the GROS as compared to PMROS emissions were not reduced with the same efficiency (<36%). GROS concentrations were highest with the DOC in use, indicating continued formation of GROS with this control. Correlation analyses showed that PMROS and to a lesser extent GROS have a good correlation with semivolatile organic carbon (OC1) subfraction. In addition, results suggest that chemical composition, rather than PM size, is responsible for differences in the PM oxidative potential.
C1 [Pavovic, Jelica] Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37831 USA.
[Holder, Amara L.; Yelyerton, Tiffany L. B.] US EPA, Off Res & Dev, Natl Risk Management Res Lab, Res Triangle Pk, NC 27711 USA.
RP Pavovic, J (reprint author), Commiss European Communities, Joint Res Ctr, Inst Energy & Transport, Sustainable Transport Unit, Via Enrico Fermi 2749, I-21027 Ispra, Italy.
EM jelica.pavlovic@jrc.ec.europa.eu
FU Oak Ridge Institute for Science and Education; U.S. Environmental
Protection Agency
FX We acknowledge the Oak Ridge Institute for Science and Education for
supporting this research under contract with U.S. Environmental
Protection Agency. The conclusions are those of the authors and do not
necessary reflect the views of the supporting agencies. Any mention of
trade names, products, or services does not imply an endorsement by the
US Government or the United States Environmental Protection Agency. EPA
does not endorse any commercial products, services, or enterprises.
NR 55
TC 1
Z9 1
U1 4
U2 22
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD SEP 1
PY 2015
VL 49
IS 17
BP 10544
EP 10552
DI 10.1021/acs.est.5b01487
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA CQ7HM
UT WOS:000360773600033
ER
PT J
AU Jacobson, KH
Gunsolus, IL
Kuech, TR
Troiano, JM
Melby, ES
Lohse, SE
Hu, D
Chrisler, WB
Murphy, CJ
Orr, G
Geiger, FM
Haynes, CL
Pedersen, JA
AF Jacobson, Kurt H.
Gunsolus, Ian L.
Kuech, Thomas R.
Troiano, Julianne M.
Melby, Eric S.
Lohse, Samuel E.
Hu, Dehong
Chrisler, William B.
Murphy, Catherine J.
Orr, Galya
Geiger, Franz M.
Haynes, Christy L.
Pedersen, Joel A.
TI Lipopolysaccharide Density and Structure Govern the Extent and Distance
of Nanoparticle Interaction with Actual and Model Bacterial Outer
Membranes
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID GRAM-NEGATIVE BACTERIA; TERMINAL ELECTRON-ACCEPTORS; ATOMIC-FORCE
MICROSCOPY; ESCHERICHIA-COLI; GOLD NANOPARTICLES; 2ND-HARMONIC
GENERATION; PSEUDOMONAS-AERUGINOSA; SHEWANELLA-ONEIDENSIS; OXIDE
NANOPARTICLES; MOLECULAR RULERS
AB Design of nanomedicines and nanoparticle-based antimicrobial and antifouling formulations and assessment of the potential implications of nanoparticle release into the environment requires understanding nanoparticle interaction with bacterial surfaces. Here we demonstrate the electrostatically driven association of functionalized nanoparticles with lipopolysaccharides of Gram-negative bacterial outer membranes and find that lipopolysaccharide structure influences the extent and location of binding relative to the outer leaflet-solution interface. By manipulating the lipopolysaccharide content in Shewanella oneidensis outer membranes, we observed the electrostatically driven interaction of cationic gold nanoparticles with the lipopolysaccharide-containing leaflet. We probed this interaction by quartz crystal microbalance with dissipation monitoring (QCM-D) and second harmonic generation (SHG) using solid-supported lipopolysaccharide-containing bilayers. The association of cationic nanoparticles increased with lipopolysaccharide content, while no association of anionic nanoparticles was observed. The harmonic-dependence of QCM-D measurements suggested that a population of the cationic nanoparticles was held at a distance from the outer leaflet-solution interface of bilayers containing smooth lipopolysaccharides (those bearing a long O-polysaccharide). Additionally, smooth lipopolysaccharides held the bulk of the associated cationic particles outside of the interfacial zone probed by SHG. Our results demonstrate that positively charged nanoparticles are more likely to interact with Gram-negative bacteria than are negatively charged particles, and this interaction occurs primarily through lipopolysaccharides.
C1 [Jacobson, Kurt H.; Pedersen, Joel A.] Univ Wisconsin, Dept Civil & Environm Engn, Madison, WI 53706 USA.
[Kuech, Thomas R.; Melby, Eric S.; Pedersen, Joel A.] Univ Wisconsin, Environm Chem & Technol Program, Madison, WI 53706 USA.
[Pedersen, Joel A.] Univ Wisconsin, Dept Chem, Madison, WI 53706 USA.
[Gunsolus, Ian L.; Haynes, Christy L.] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA.
[Troiano, Julianne M.; Geiger, Franz M.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Lohse, Samuel E.; Murphy, Catherine J.] Univ Illinois, Dept Chem, Urbana, IL 61801 USA.
[Orr, Galya] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Haynes, CL (reprint author), Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA.
EM chaynes@umn.edu; joelpedersen@wisc.edu
RI Hu, Dehong/B-4650-2010;
OI Hu, Dehong/0000-0002-3974-2963; Murphy, Catherine/0000-0001-7066-5575;
Haynes, Christy/0000-0002-5420-5867
FU National Science Foundation (NSF) under the Center for Sustainable
Nanotechnology [CHE-1240151]; DOE-BER; National Institutes of Health
Training for Future Biotechnology Development Grant [T32 GM008347];
Minneapolis Torske Klubben Graduate Fellowship; NSF Graduate Research
Fellowship; NSF [DMR-0832760, CBET-0826204]
FX This study was supported by the National Science Foundation (NSF) under
the Center for Sustainable Nanotechnology (CHE-1240151). Part of the
research was performed at EMSL, a Scientific User Facility sponsored by
DOE-BER and located at PNNL. We thank the University of Minnesota's
University Flow Cytometry Resource for flow cytometric analysis and
FACS. I.L.G. gratefully acknowledges support through a National
Institutes of Health Training for Future Biotechnology Development Grant
(T32 GM008347) and a Minneapolis Torske Klubben Graduate Fellowship.
J.M.T. gratefully acknowledges support through an NSF Graduate Research
Fellowship. Partial funding for the QCM-D instrument was from NSF Grants
DMR-0832760 and CBET-0826204. We thank Robert Hamers and Bill Hickey for
helpful comments on the manuscript.
NR 57
TC 10
Z9 10
U1 11
U2 60
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD SEP 1
PY 2015
VL 49
IS 17
BP 10642
EP 10650
DI 10.1021/acs.est.5b01841
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA CQ7HM
UT WOS:000360773600044
PM 26207769
ER
PT J
AU Qafoku, O
Dixon, DA
Rosso, KM
Schaef, HT
Bowden, ME
Arey, BW
Felmy, AR
AF Qafoku, Odeta
Dixon, David A.
Rosso, Kevin M.
Schaef, Herbert T.
Bowden, Mark E.
Arey, Bruce W.
Felmy, Andrew R.
TI Dynamics of Magnesite Formation at Low Temperature and High pCO(2) in
Aqueous Solution
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID CARBONATES SOLUTION INTERFACE; ATOMIC-FORCE MICROSCOPY; WET
SUPERCRITICAL CO2; DISSOLUTION KINETICS; BRUCITE CARBONATION; AQUIFER
DISPOSAL; PILOT PROJECT; DEGREES-C; SEQUESTRATION; SYSTEM
AB Magnesite precipitation from aqueous solution, despite conditions of supersaturation, is kinetically hindered at low temperatures for reasons that remain poorly understood. The present study examines the products of Mg(OH)(2) reaction in solutions saturated with supercritical CO2 at high pressures (90 and 110 atm) and low temperatures (35 and 50 degrees C). Solids characterization combined with in situ solution analysis reveal that the first reaction products are the hydrated carbonates hydromagnesite and nesquehonite, appearing simultaneously with brucite dissolution. Magnesite is not observed until it comprises a minor product at 7 days reaction at 50 degrees C. Complete transition to magnesite as the sole product at 35 degrees C (135 days) and at a faster rate at 50 degrees C (56 days) occurs as the hydrated carbonates slowly dissolve under the slightly acidic conditions generated at high pCO(2). Such a reaction progression at high pCO(2) suggests that over long term the hydrated Mg-carbonates functioned as intermediates in magnesite formation. These findings highlight the importance of developing a better understanding of the processes expected to occur during CO2 storage. They also support the importance of integrating magnesite as an equilibrium phase in reactive transport calculations of the effects of CO2 sequestration on geological formations at long time scale.
C1 [Qafoku, Odeta; Rosso, Kevin M.; Schaef, Herbert T.; Felmy, Andrew R.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Dixon, David A.] Univ Alabama, Dept Chem, Tuscaloosa, AL 35487 USA.
[Bowden, Mark E.; Arey, Bruce W.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Felmy, Andrew R.] Washington State Univ, Pullman, WA 99164 USA.
RP Qafoku, O (reprint author), Pacific NW Natl Lab, POB 999,MS K8-96, Richland, WA 99352 USA.
EM Odeta.Qafoku@pnnl.gov
FU Geosciences Research Program at PNNL by the U.S. Department of Energy,
Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences Biosciences; U.S. Department of Energy, Office of Fossil
Energy; DOE by Battelle Memorial Institute [DE-AC06-76RLO-1830]; Robert
Ramsay Fund of The University of Alabama
FX We thank Dr. J. Hovelmann and the anonymous reviewers for their valuable
suggestions and comments that improved the quality of the article. This
work was supported by the Geosciences Research Program at PNNL supported
by the U.S. Department of Energy, Office of Basic Energy Sciences,
Division of Chemical Sciences, Geosciences & Biosciences, and the Office
of Fossil Energy. Several of the experiments were performed using the
Environmental Molecular Sciences Laboratory, a national scientific user
facility sponsored by the U.S. Department of Energy's (DOE) Office of
Biological and Environmental Research, and located at PNNL. PNNL is
operated for DOE by Battelle Memorial Institute under Contract
DE-AC06-76RLO-1830. D.A.D. thanks the Robert Ramsay Fund of The
University of Alabama for partial support.
NR 64
TC 4
Z9 4
U1 4
U2 36
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD SEP 1
PY 2015
VL 49
IS 17
BP 10736
EP 10744
DI 10.1021/acs.est.5b02588
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA CQ7HM
UT WOS:000360773600055
PM 26200317
ER
PT J
AU Freiderich, JW
Stankovich, JJ
Luo, HM
Dai, S
Moyer, BA
AF Freiderich, John W.
Stankovich, Joseph J.
Luo, Huimin
Dai, Sheng
Moyer, Bruce A.
TI Dissolution of the Rare-Earth Mineral Bastnaesite by Acidic Amide Ionic
Liquid for Recovery of Critical Materials
SO EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
LA English
DT Article
DE Ionic liquids; Rare earths; Ion extraction; Environmental chemistry
ID METAL-OXIDES; SPECTROPHOTOMETRIC DETERMINATION; XYLENOL ORANGE;
EXTRACTION; CHLORIDE; COORDINATION; LANTHANIDES; BEHAVIOR; COPPER; GOLD
AB Rare-earth elements provide the cornerstones to clean sustainable energy and modern technologies such as computers, communications, and transportation. As such, the recovery of rare earths (REs) from minerals such as bastnaesite remains important for modern times. As the light lanthanides (La-Nd) constitute the majority (typically >98.7%) of the REs in bastnaesite with the heavy REs (Sm-Lu) contributing the remainder (approximately 1.3%), an enrichment of heavier REs may serve as an effective means of assisting rare-earth recovery. Such an extractive metallurgy process involving ionic liquids (ILs) leads to an enrichment of heavy REs by nearly an order of magnitude. The acidic IL N,N-dimethylacetamidium bis(trifluoromethylsulfonyl)imide (DMAH(+)NTf(2)(-)) in the IL 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIM+NTf2-) dissolves froth flotation bastnaesite, synthetic bastnaesite analogues (RECO3F), RE2O3, and RE2(CO3)(3) minerals. An overall reaction for the dissolution of bastnaesite is proposed for this IL system. This IL system may provide the initial stages of a greater RE separation scheme for bastnaesite froth flotation concentrates.
C1 [Freiderich, John W.; Stankovich, Joseph J.; Dai, Sheng; Moyer, Bruce A.] Div Chem Sci, Oak Ridge, TN 37831 USA.
[Luo, Huimin] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA.
RP Dai, S (reprint author), Div Chem Sci, POB 2008, Oak Ridge, TN 37831 USA.
EM dais@ornl.gov; moyerba@ornl.gov
RI Moyer, Bruce/L-2744-2016; Dai, Sheng/K-8411-2015
OI Moyer, Bruce/0000-0001-7484-6277; Dai, Sheng/0000-0002-8046-3931
FU Critical Materials Institute, an Energy Innovation Hub - U.S. Department
of Energy, Office of Energy Efficiency and Renewable Energy, Advanced
Manufacturing Office
FX The authors thank Dr. Dale Ensor (Tennessee Technological University)
and Dr. Colt Heathman (CSD) for useful solution chemistry discussions as
well as Dr. Richard Mayes (CSD) of ORNL regarding XRD. Research funded
by the Critical Materials Institute, an Energy Innovation Hub funded by
the U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy, Advanced Manufacturing Office.
NR 42
TC 2
Z9 2
U1 6
U2 48
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 1434-1948
EI 1099-0682
J9 EUR J INORG CHEM
JI Eur. J. Inorg. Chem.
PD SEP
PY 2015
IS 26
BP 4354
EP 4361
DI 10.1002/ejic.201500509
PG 8
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA CR0LJ
UT WOS:000361009800009
ER
PT J
AU Wheeler, R
Pandey, A
Shyam, A
Tan, T
Lara-Curzio, E
AF Wheeler, R.
Pandey, A.
Shyam, A.
Tan, T.
Lara-Curzio, E.
TI Small Scale Mechanical Characterization of Thin Foil Materials via Pin
Load Microtesting
SO EXPERIMENTAL MECHANICS
LA English
DT Article
DE Pin loading; Microtest; In situ characterization; Micromechanical
testing; SEM
ID PLASTICITY; STRENGTH; COPPER
AB In situ scanning electron microscope (SEM) experiments, where small-scale mechanical tests are conducted on micro-and nanosized specimens, allow direct visualization of elastic and plastic responses over the entirety of the volume being deformed. This enables precise spatial and temporal correlation of slip events contributing to the plastic flow evidenced in a stress-strain curve. A new pin-loading methodology has been employed, in situ within the SEM, to conduct microtensile tests on thin polycrystalline metal foils. This approach can be tailored to a specific foil whose particular grain size may range from microns to tens of microns. Manufacture of the specialized pin grip was accomplished via silicon photolithography-based processing followed by subsequent focused ion beam finishing. Microtensile specimen preparation was achieved by combining a stencil mask methodology employing broad ion beam sputtering along with focused ion beam milling in the study of several metallic foil materials. Finite-element analyses were performed to characterize the stress and strain distributions in the pin grip and microspecimen under load. Under appropriately conceived test conditions, uniaxial stress-strain responses measured within these foils by pin-load microtensile testing exhibit properties consistent with larger scale tests.
C1 [Wheeler, R.] MicroTesting Solut LLC, Columbus, OH 43026 USA.
[Pandey, A.; Shyam, A.; Tan, T.; Lara-Curzio, E.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Pandey, A.] Rolls Royce LG Fuel Cell Syst Inc, North Canton, OH 44720 USA.
[Tan, T.] Univ Vermont, Civil & Environm Engn, Burlington, VT 05405 USA.
RP Wheeler, R (reprint author), MicroTesting Solut LLC, Columbus, OH 43026 USA.
EM bwheeler@microtestingsolutions.com
OI Shyam, Amit/0000-0002-6722-4709
FU U.S Department of Energy, Office of Fossil Energy, Solid State Energy
Conversion Alliance (SECA) Program
FX Research sponsored by the U.S Department of Energy, Office of Fossil
Energy, Solid State Energy Conversion Alliance (SECA) Program. The
authors would like to acknowledge the assistance of D. Coffey for FIB
processing and H. Bei for reviewing the manuscript. Some of the
instruments used in this investigation, which are part of the High
Temperature Materials Laboratory at ORNL had been acquired with support
from the U.S Department of Energy's Vehicle Technologies Program.
NR 26
TC 2
Z9 2
U1 1
U2 7
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0014-4851
EI 1741-2765
J9 EXP MECH
JI Exp. Mech.
PD SEP
PY 2015
VL 55
IS 7
BP 1375
EP 1387
DI 10.1007/s11340-015-0020-6
PG 13
WC Materials Science, Multidisciplinary; Mechanics; Materials Science,
Characterization & Testing
SC Materials Science; Mechanics
GA CR2EK
UT WOS:000361138000015
ER
PT J
AU Jun, SR
Leuze, MR
Nookaew, I
Uberbacher, EC
Land, M
Zhang, Q
Wanchai, V
Chai, JJ
Nielsen, M
Trolle, T
Lund, O
Buzard, GS
Pedersen, TD
Wassenaar, TM
Ussery, DW
AF Jun, Se-Ran
Leuze, Michael R.
Nookaew, Intawat
Uberbacher, Edward C.
Land, Miriam
Zhang, Qian
Wanchai, Visanu
Chai, Juanjuan
Nielsen, Morten
Trolle, Thomas
Lund, Ole
Buzard, Gregory S.
Pedersen, Thomas D.
Wassenaar, Trudy M.
Ussery, David W.
TI Ebolavirus comparative genomics
SO FEMS MICROBIOLOGY REVIEWS
LA English
DT Review
DE Ebola; comparative genomics; viral genomes; epitope prediction; Ebola
virus disease (EVD); Filovirus
ID WHOLE-PROTEOME PHYLOGENY; ALIGNMENT-FREE METHOD; T-CELL EPITOPES;
MONOCLONAL-ANTIBODIES; MAXIMUM-LIKELIHOOD; VIRUS DISEASE; PREDICTION;
RESPONSES; DATABASE; ZAIRE
AB This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan Variation within Ebola genomes is most common in the intergenic regions and within specific areas of the genes encoding the glycoprotein (GP), nucleoprotein (NP) and polymerase (L); genomic conservation and epitope prediction, combined with glycosylation sites and experimentally determined epitopes, can identify the most promising regions for the development of therapeutic strategies.Variation within Ebola genomes is most common in the intergenic regions and within specific areas of the genes encoding the glycoprotein (GP), nucleoprotein (NP) and polymerase (L); genomic conservation and epitope prediction, combined with glycosylation sites and experimentally determined epitopes, can identify the most promising regions for the development of therapeutic strategies.
C1 [Jun, Se-Ran; Nookaew, Intawat; Uberbacher, Edward C.; Land, Miriam; Zhang, Qian; Wanchai, Visanu; Ussery, David W.] Oak Ridge Natl Lab, Comparat Genom Grp, Biosci Div, Oak Ridge, TN 37831 USA.
[Jun, Se-Ran] Univ Tennessee, Joint Inst Computat Sci, Knoxville, TN 37996 USA.
[Leuze, Michael R.; Chai, Juanjuan] Oak Ridge Natl Lab, Comp Sci Res Grp, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Zhang, Qian; Ussery, David W.] Univ Tennessee, UT ORNL Grad Sch Genome Sci & Technol, Knoxville, TN 37996 USA.
[Nielsen, Morten; Trolle, Thomas; Lund, Ole; Pedersen, Thomas D.; Ussery, David W.] Tech Univ Denmark, Dept Syst Biol, Ctr Biol Sequence Anal, DK-2800 Lyngby, Denmark.
[Nielsen, Morten] Univ Nacl San Martin, Inst Invest Biotecnol, Buenos Aires, DF, Argentina.
[Buzard, Gregory S.] Booze Allen Hamilton, Mclean, VA 22101 USA.
[Pedersen, Thomas D.] Chr Hansen AS, Cultures & Enzymes Div, Assays, Horsholm, Denmark.
[Wassenaar, Trudy M.] Mol Microbiol & Genom Consultants, D-55576 Zotzenheim, Germany.
RP Ussery, DW (reprint author), Oak Ridge Natl Lab, Comparat Genom Grp, Biosci Div, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM usserydw@ornl.gov
RI Land, Miriam/A-6200-2011; Lund, Ole/F-4437-2014; Nielsen,
Morten/E-7754-2011;
OI Land, Miriam/0000-0001-7102-0031; Lund, Ole/0000-0003-1108-0491;
Nielsen, Morten/0000-0001-7885-4311; Ussery, David/0000-0003-3632-5512;
Trolle, Thomas/0000-0003-0762-2198
FU Oak Ridge National Laboratory (ORNL); U.S. Department of Energy
[DE-AC05-00OR22725]; Oak Ridge National Laboratory
FX Funding was provided by internal funds of Oak Ridge National Laboratory
(ORNL), managed by UT-Battelle, LLC for the U.S. Department of Energy
under Contract No. DE-AC05-00OR22725. The Open Access funding for this
paper was provided by the Oak Ridge National Laboratory.
NR 75
TC 6
Z9 8
U1 2
U2 26
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0168-6445
EI 1574-6976
J9 FEMS MICROBIOL REV
JI Fems Microbiol. Rev.
PD SEP
PY 2015
VL 39
IS 5
BP 764
EP 778
DI 10.1093/femsre/fuv031
PG 15
WC Microbiology
SC Microbiology
GA CR3CY
UT WOS:000361209300007
PM 26175035
ER
PT J
AU Limousin, JM
Yepez, EA
McDowell, NG
Pockman, WT
AF Limousin, Jean-Marc
Yepez, Enrico A.
McDowell, Nate G.
Pockman, William T.
TI Convergence in resource use efficiency across trees with differing
hydraulic strategies in response to ecosystem precipitation manipulation
SO FUNCTIONAL ECOLOGY
LA English
DT Article
DE carbon use efficiency; drought tolerance; Juniperus monosperma; nitrogen
use efficiency; pinon-juniper woodland; Pinus edulis; water use
efficiency
ID CARBON-ISOTOPE DISCRIMINATION; PINYON-JUNIPER WOODLAND; WATER-USE
EFFICIENCY; LEAF GAS-EXCHANGE; SOUTHWESTERN NORTH-AMERICA; NITROGEN-USE
EFFICIENCY; CHANGE-TYPE DROUGHT; VEGETATION MORTALITY; C-3 PLANTS;
LONG-TERM
AB Plants are expected to respond to drought by maximizing the efficiency of the most limiting resource, the water use efficiency (WUE), at the expense of nitrogen and carbon use efficiencies (NUE and CUE). Therefore, plants resource use efficiencies are viewed as indicators of species drought tolerance. We tested these predictions by measuring leaf-level intrinsic WUE (WUEi, the ratio of net assimilation to stomatal conductance), photosynthetic NUE (PNUE, the ratio of daily maximum net assimilation to leaf nitrogen content) and leaf-scale CUE (approached by the ratio of night-time respiration to daytime net assimilation, R-d/A(n)) in pinon pine and juniper, two tree species that differ in drought tolerance and vulnerability to drought-induced mortality. Variations in resource use efficiency in the two species were measured in response to seasonal drought and in response to an ecosystem-scale precipitation manipulation experiment comprising three precipitation treatments: ambient, irrigation (+30%) and partial rainfall exclusion (-45%). Increasing water limitation, either seasonally or across treatments, resulted in increased WUE and decreased PNUE and CUE in both species. WUE, PNUE and CUE varied more strongly in response to water limitation than across species and converged to the same relationships against precipitation for pinon and juniper. Plasticity in WUE, PNUE and CUE in response to water limitation was associated, in both species, with low carbon acquisition during drought. Our results exhibited a convergence in resource use efficiency across pinon and juniper which contradicts the paradigm that resource use efficiencies are indicators of species drought tolerance and ecological strategy.
C1 [Limousin, Jean-Marc; Pockman, William T.] 1 Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
[Limousin, Jean-Marc] Univ Montpellier 3, EPHE, Ctr Ecol Fonctionnelle & Evolut CEFE, UMR 5175,CNRS, F-34293 Montpellier 5, France.
[Yepez, Enrico A.] Inst Tecnol Sonora, Dept Ciencias Agua & Medio Ambiente, Sonora 85000, Mexico.
[McDowell, Nate G.] Los Alamos Natl Lab, Earth & Environm Sci Div, Los Alamos, NM 87545 USA.
RP Pockman, WT (reprint author), 1 Univ New Mexico, Dept Biol, MSC03 2020, Albuquerque, NM 87131 USA.
EM pockman@unm.edu
RI Pockman, William/D-4086-2014
OI Pockman, William/0000-0002-3286-0457
FU US Department of Energy's Office of Science (BER); Sevilleta LTER
Program (NSF) [DEB-0620482]; UNM Sevilleta Field Station
FX We gratefully acknowledge the contributions of Viorel Atudorei, Judson
Hill, Nathan Gehres, Jennifer Plaut, Christopher Bickford, Amanda Boutz,
Turin Dickman, Patrick Hudson, Robert Pangle and Katie Sauer. This
project was funded by the US Department of Energy's Office of Science
(BER) with support from the Sevilleta LTER Program (NSF DEB-0620482) and
the UNM Sevilleta Field Station.
NR 76
TC 4
Z9 4
U1 12
U2 57
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0269-8463
EI 1365-2435
J9 FUNCT ECOL
JI Funct. Ecol.
PD SEP
PY 2015
VL 29
IS 9
BP 1125
EP 1136
DI 10.1111/1365-2435.12426
PG 12
WC Ecology
SC Environmental Sciences & Ecology
GA CR3LV
UT WOS:000361235200003
ER
PT J
AU Shen, DG
Zhang, DQ
Young, A
Parvin, B
AF Shen, Dinggang
Zhang, Daoqiang
Young, Alastair
Parvin, Bahram
TI Machine Learning and Data Mining in Medical Imaging
SO IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS
LA English
DT Editorial Material
C1 [Shen, Dinggang] Univ N Carolina, Dept Radiol, Chapel Hill, NC 27599 USA.
[Shen, Dinggang] Univ N Carolina, BRIC, Chapel Hill, NC 27599 USA.
[Zhang, Daoqiang] Nanjing Univ Aeronaut & Astronaut, Dept Comp Sci & Engn, Nanjing 210016, Jiangsu, Peoples R China.
[Young, Alastair] Univ London Imperial Coll Sci Technol & Med, Dept Math, London SW7 2AZ, England.
[Parvin, Bahram] Lawrence Berkeley Natl Lab, Integrat Biol, Berkeley, CA 94720 USA.
RP Shen, DG (reprint author), Univ N Carolina, Dept Radiol, Chapel Hill, NC 27599 USA.
EM dgshen@med.unc.edu
NR 7
TC 1
Z9 1
U1 2
U2 18
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2168-2194
J9 IEEE J BIOMED HEALTH
JI IEEE J. Biomed. Health Inform.
PD SEP
PY 2015
VL 19
IS 5
BP 1587
EP 1588
DI 10.1109/JBHI.2015.2444011
PG 2
WC Computer Science, Information Systems; Computer Science,
Interdisciplinary Applications; Mathematical & Computational Biology;
Medical Informatics
SC Computer Science; Mathematical & Computational Biology; Medical
Informatics
GA CQ7NP
UT WOS:000360791200007
PM 26574616
ER
PT J
AU Duan, GX
Hatchtel, J
Shen, X
Zhang, EX
Zhang, CX
Tuttle, BR
Fleetwood, DM
Schrimpf, RD
Reed, RA
Franco, J
Linten, D
Mitard, J
Witters, L
Collaert, N
Chisholm, MF
Pantelides, ST
AF Duan, Guo Xing
Hatchtel, Jordan
Shen, Xiao
Zhang, En Xia
Zhang, Cher Xuan
Tuttle, Blair R.
Fleetwood, Daniel M.
Schrimpf, Ronald D.
Reed, Robert A.
Franco, Jacopo
Linten, Dimitri
Mitard, Jerome
Witters, Liesbeth
Collaert, Nadine
Chisholm, Matthew F.
Pantelides, Sokrates T.
TI Activation Energies for Oxide- and Interface-Trap Charge Generation Due
to Negative-Bias Temperature Stress of Si-Capped SiGe-pMOSFETs
SO IEEE TRANSACTIONS ON DEVICE AND MATERIALS RELIABILITY
LA English
DT Article
DE SiGe; HfO2; NBTI; activation energy; oxide- and interface-trap charges;
density functional theory calculations
ID MOS DEVICES; SI-SIO2 INTERFACE; ELECTRICAL CHARACTERISTICS; GATE
DIELECTRICS; HYDROGEN; INSTABILITY; RELIABILITY; TRANSPORT; BUILDUP;
GROWTH
AB We investigate negative-bias temperature instabilities in SiGe pMOSFETs with SiO2/HfO2 gate dielectrics. The measured activation energies for interface-trap charge buildup during negative-bias temperature stress are lower for SiGe channel pMOSFETs with SiO2/HfO2 gate dielectrics and Si capping layers than for conventional Si channel pMOSFETs with SiO2 gate dielectrics. Electron energy loss spectroscopy and scanning transmission electron microscopy images demonstrate that Ge atoms can diffuse from the SiGe layer into the Si capping layer, which is adjacent to the SiO2/HfO2 gate dielectric. Density functional calculations show that these Ge atoms reduce the strength of nearby Si-H bonds and that Ge-H bond energies are still lower, thereby reducing the activation energy for interface-trap generation for the SiGe devices. Activation energies for oxide-trap charge buildup during negative-bias temperature stress are similarly small for SiGe pMOSFETs with SiO2/HfO2 gate dielectrics and Si pMOSFETs with SiO2 gate dielectrics, suggesting that, in both cases, the oxide-trap charge buildup likely is rate-limited by hole tunneling into the near-interfacial SiO2.
C1 [Duan, Guo Xing; Zhang, En Xia; Zhang, Cher Xuan; Fleetwood, Daniel M.; Schrimpf, Ronald D.; Reed, Robert A.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA.
[Hatchtel, Jordan; Shen, Xiao; Pantelides, Sokrates T.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Tuttle, Blair R.] Penn State Erie, Dept Phys, Erie, PA 16563 USA.
[Franco, Jacopo; Linten, Dimitri; Mitard, Jerome; Witters, Liesbeth; Collaert, Nadine] IMEC, B-3001 Louvain, Belgium.
[Chisholm, Matthew F.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Linten, Dimitri] IMEC, Wireless Res Grp, B-3001 Louvain, Belgium.
[Linten, Dimitri] IMEC, ESD Reliabil Grp, B-3001 Louvain, Belgium.
[Linten, Dimitri] IMEC, Reliabil & Elect Characterizat Grp, B-3001 Louvain, Belgium.
[Collaert, Nadine] IMEC, LOGIC Program, B-3001 Louvain, Belgium.
RP Duan, GX (reprint author), Vanderbilt Univ, Dept Elect Engn & Comp Sci, 221 Kirkland Hall, Nashville, TN 37235 USA.
EM guoxing.duan@vanderbilt.edu; jordan.hachtel@gmail.com;
xiao.shen@vanderbilt.edu; enxia.zhang@vanderbilt.edu;
xuan.zhang@vanderbilt.edu; brt10@psu.edu; dan.fleetwood@vanderbilt.edu;
ron.schrimpf@vanderbilt.edu; robert.reed@vanderbilt.edu;
Jacopo.Franco@imec.be; dimitri.Linten@imec.be; Jerome.Mitard@imec.be;
Liesbeth.Witters@imec.be; collaert@imec.be; chisholmmf@ornl.gov;
pantelides@vanderbilt.edu
RI Hachtel, Jordan/R-1263-2016
OI Hachtel, Jordan/0000-0002-9728-0920
FU Air Force Office of Scientific Research; Air Force Research Laboratory
through the HiREV program; Defense Threat Reduction Agency; U.S.
Department of Energy, Basic Energy Sciences, Materials Science and
Engineering Division
FX This work was supported in part by the Air Force Office of Scientific
Research and the Air Force Research Laboratory through the HiREV program
and in part by the Defense Threat Reduction Agency through its basic
mechanisms program. Work at ORNL was supported by the U.S. Department of
Energy, Basic Energy Sciences, Materials Science and Engineering
Division.
NR 32
TC 2
Z9 2
U1 1
U2 14
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1530-4388
EI 1558-2574
J9 IEEE T DEVICE MAT RE
JI IEEE Trans. Device Mater. Reliab.
PD SEP
PY 2015
VL 15
IS 3
BP 352
EP 358
DI 10.1109/TDMR.2015.2442152
PG 7
WC Engineering, Electrical & Electronic; Physics, Applied
SC Engineering; Physics
GA CQ8YG
UT WOS:000360896100012
ER
PT J
AU Peng, B
Liu, F
Han, R
Luo, G
Cathopoulis, T
Lu, K
Li, X
Yang, L
Liu, GY
Cai, JC
Shi, SL
AF Peng, Bo
Liu, Fan
Han, Rong
Luo, George
Cathopoulis, Terry
Lu, Kun
Li, Xiao
Yang, Ling
Liu, Guo-Yan
Cai, Jian-Chun
Shi, Song-Lin
TI Dynamic metabolic change is indicative of inflammation-induced
transformation of hepatic cells
SO INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY
LA English
DT Article
DE Hepatocellular carcinoma; Chronic inflammation; Metabolomics; Biomarker;
Mass spectrometry
ID CANCER; LIVER; HEPATOCARCINOGENESIS; EXPRESSION; PATHWAYS
AB The observation that prolonged inflammation plays a causative role in cancer development has been well documented. However, an incremental process that leads from healthy to malignant phenotypes has not yet been described. Experimentally induced hepatocellular carcinoma is considered one of the representative laboratory models for studying this process. Hepatic exposure to viral infection or toxic reagents leads to chronic inflammation and gradual transformation into hepatocellular carcinoma. Here we present metabolomic profiles of hepatic cells at different stages during inflammation-induced cellular transformation by N-nitrosodiethylamine. Using gas chromatography mass spectrometry, we quantitatively assessed the changes in cellular metabolites during the transformation process in hepatitis and liver cirrhosis. Further pathway analysis of the differentially expressed metabolites showed that carbohydrate metabolism and lipid metabolism were greatly altered in hepatitis and liver cirrhosis, respectively. Additionally, the enhanced inflammation in cirrhosis was associated with a shift from carbohydrate metabolism to lipid and amino acid metabolism. Among the differentially expressed metabolites found in diseased mouse livers, D-glucose and D-mannitol showed the most significant changes, highlighting them as potential early-diagnostic biomarkers of hepatocellular carcinoma development. Taken together, these investigations into the dynamic metabolic changes that occur during the precancerous stages of hepatocellular carcinoma add to and refine understanding of how chronic inflammation ultimately leads to cancer. Furthermore, the findings set the stage for identifying metabolites that may serve as early-diagnostic indicators of these unfolding events. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Liu, Fan; Liu, Guo-Yan; Cai, Jian-Chun; Shi, Song-Lin] Xiamen Univ, Coll Med, Zhongshan Hosp, Xiamen 361004, Peoples R China.
[Peng, Bo; Liu, Fan; Han, Rong; Lu, Kun; Li, Xiao; Yang, Ling; Shi, Song-Lin] Xiamen Univ, Coll Med, Dept Basic Med, Canc Res Ctr, Xiamen 361102, Peoples R China.
[Peng, Bo] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Luo, George; Cathopoulis, Terry] Univ Penn, Perelman Sch Med, Dept Pathol & Lab Med, Philadelphia, PA 19104 USA.
RP Shi, SL (reprint author), Xiamen Univ, Coll Med, Dept Basic Med, Xiamen 361102, Peoples R China.
EM 103753999@qq.com; shisonglin@xmu.edu.cn
FU National Natural Science Foundation's Major Research Planning
[91029729]; National Natural Science Foundation of China [81272921,
81201305, 81172283, 81372616]; Joint Programme by Healthy Care System
and Educational Department in Fujian Province [WKJ-FJ-16]; Natural
Science Foundation of Fujian Province [2013D004]
FX Grant sponsor: National Natural Science Foundation's Major Research
Planning (Grant No. 91029729); National Natural Science Foundation of
China (Grant Nos. 81272921, 81201305, 81172283, 81372616); Joint
Programme by Healthy Care System and Educational Department in Fujian
Province (Grant No. WKJ-FJ-16); Natural Science Foundation of Fujian
Province (Grant No. 2013D004).
NR 22
TC 2
Z9 2
U1 2
U2 12
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1357-2725
EI 1878-5875
J9 INT J BIOCHEM CELL B
JI Int. J. Biochem. Cell Biol.
PD SEP
PY 2015
VL 66
BP 45
EP 58
DI 10.1016/j.biocel.2015.07.007
PG 14
WC Biochemistry & Molecular Biology; Cell Biology
SC Biochemistry & Molecular Biology; Cell Biology
GA CQ9RE
UT WOS:000360951900006
PM 26205150
ER
PT J
AU Godey, MB
Belzunces, B
Head-Gordon, M
AF Godey, Matthew B.
Belzunces, Bastien
Head-Gordon, Martin
TI Attenuated MP2 with a Long-Range Dispersion Correction for Treating
Nonbonded Interactions
SO JOURNAL OF CHEMICAL THEORY AND COMPUTATION
LA English
DT Article
ID PLESSET PERTURBATION-THEORY; DENSITY-FUNCTIONAL THEORY; COMPONENT-SCALED
MP2; BASIS-SET LIMIT; DER-WAALS COMPLEXES; INTERACTION ENERGIES;
INTERMOLECULAR INTERACTIONS; NONCOVALENT INTERACTIONS; WATER CLUSTERS;
ACCURATE DESCRIPTION
AB Attenuated second order Moller-Plesset theory (MI32) captures intermolecular binding energies at equilibrium geometries with high fidelity with respect to reference methods, yet must fail to reproduce dispersion energies at stretched geometries due to the removal of fully long-range dispersion. For this problem to be ameliorated, long-range correction using the VVIO van der Waals density functional is added to attenuated MP2, capturing short-range correlation with attenuated MP2 and long-range dispersion with VV10. Attenuated MP2 with long-range VV10 dispersion in the aug-ccpVTZ (aTZ) basis set, MP2-V(terfc, aTZ), is parametrized for noncovalent interactions using the S66 database and tested on a variety of noncovalent databases, describing potential energy surfaces and equilibrium binding energies equally well. Further, a spin-component scaled (SCS) version, SCS-MP2-V(2terfc, aTZ), is produced using the W4-11 database as a supplemental thermochemistry training set, and the resulting method reproduces the quality of MP2-V(terfc, aTZ) for noncovalent interactions and exceeds the performance of SCS-MP2/aTZ for thermochemistry.
C1 [Godey, Matthew B.; Belzunces, Bastien; Head-Gordon, Martin] Univ Calif Berkeley, Dept Chem, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA.
[Godey, Matthew B.; Head-Gordon, Martin] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Head-Gordon, M (reprint author), Univ Calif Berkeley, Dept Chem, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA.
EM mhg@cchem.berkeley.edu
OI Goldey, Matthew/0000-0002-2390-9554
FU U.S. Department of Energy [DE-AC02-05CH11231]; Q-Chem Incorporated
through NIH SBIR [GM096678]; NSF [CHE-1048789]
FX This work was supported by the U.S. Department of Energy under Contract
No. DE-AC02-05CH11231 with additional support from Q-Chem Incorporated
through NIH SBIR Grant No. GM096678. We acknowledge computational
resources obtained under NSF award CHE-1048789. M.H.G. is part-owner of
Q-Chem Incorporated.
NR 64
TC 0
Z9 0
U1 3
U2 11
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9618
EI 1549-9626
J9 J CHEM THEORY COMPUT
JI J. Chem. Theory Comput.
PD SEP
PY 2015
VL 11
IS 9
BP 4159
EP 4168
DI 10.1021/acs.jctc.5b00509
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA CR1LZ
UT WOS:000361087600021
ER
PT J
AU Fischer, SA
Cramer, CJ
Govind, N
AF Fischer, Sean A.
Cramer, Christopher J.
Govind, Niranjan
TI Excited State Absorption from Real-Time Time-Dependent Density
Functional Theory
SO JOURNAL OF CHEMICAL THEORY AND COMPUTATION
LA English
DT Article
ID COHERENT CONTROL; SMALL MOLECULES; BASIS SETS; ENSEMBLES; EXCHANGE
AB The optical response of excited states is a key property used to probe photophysical and photochemical dynamics. Additionally, materials with a large nonlinear absorption cross-section caused by two-photon (TPA) and excited state absorption (ESA) are desirable for optical limiting applications. The ability to predict the optical response of excited states would help in the interpretation of transient absorption experiments and aid in the search for and design of optical limiting materials. We have developed an approach to obtain excited state absorption spectra by combining real-time (RT) and linear-response (LR) timedependent density functional theory (TDDFT). Being based on RT-TDDFT, our method is aimed at tackling larger molecular complexes and materials systems where excited state absorption is predominantly seen and many time-resolved experimental efforts are focused. To demonstrate our method, we have calculated the ground and excited state spectra of H-2(+) and H-2 due to the simplicity in the interpretation of the spectra. We have validated our new approach by comparing our results for butadiene with previously published results based on quadratic response (QR). We also present results for oligofluorenes, where we compare our results with both QR-TDDFT and experimental measurements. Because our method directly measures the response of an excited state, stimulated emission features are also captured; although, these features are underestimated in energy which could be attributed to a change of the reference from the ground to the excited state.
C1 [Fischer, Sean A.; Govind, Niranjan] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Cramer, Christopher J.] Univ Minnesota, Dept Chem, Inst Supercomp, Minneapolis, MN 55455 USA.
[Cramer, Christopher J.] Univ Minnesota, Chem Theory Ctr, Minneapolis, MN 55455 USA.
RP Govind, N (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, POB 999, Richland, WA 99352 USA.
EM niri.govind@pnnl.gov
RI Cramer, Christopher/B-6179-2011
OI Cramer, Christopher/0000-0001-5048-1859
FU U.S. Department of Energy, Office of Science, Office of Advanced
Scientific Computing Research, Scientific Discovery through Advanced
Computing (SciDAC) program [DE-SC0008666, KC030102062653]; Office of
Biological and Environmental Research; United States Department of
Energy under DOE [DE-AC05-76RL1830]; Office of Science of the U.S.
Department of Energy [DE-AC02-05CH11231]
FX S.A.F. and N.G. thank Dr. Patrick El-Khoury for useful discussions. This
work was supported by the U.S. Department of Energy, Office of Science,
Office of Advanced Scientific Computing Research, Scientific Discovery
through Advanced Computing (SciDAC) program under Award Numbers
DE-SC0008666 (C.J.C.) and KC030102062653 (S.A.F., N.G.). The research
was performed using EMSL, a DOE Office of Science User Facility
sponsored by the Office of Biological and Environmental Research and
located at the Pacific Northwest National Laboratory (PNNL). PNNL is
operated by Battelle Memorial Institute for the United States Department
of Energy under DOE contract number DE-AC05-76RL1830. The research also
benefited from resources provided by the National Energy Research
Scientific Computing Center (NERSC), a DOE Office of Science User
Facility supported by the Office of Science of the U.S. Department of
Energy under Contract No. DE-AC02-05CH11231 and resources provided by
PNNL Institutional Computing (PIC).
NR 49
TC 16
Z9 16
U1 1
U2 14
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9618
EI 1549-9626
J9 J CHEM THEORY COMPUT
JI J. Chem. Theory Comput.
PD SEP
PY 2015
VL 11
IS 9
BP 4294
EP 4303
DI 10.1021/acs.jctc.5b00473
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA CR1LZ
UT WOS:000361087600034
PM 26575924
ER
PT J
AU Saenz, JA
Chen, QS
Ringler, T
AF Saenz, Juan A.
Chen, Qingshan
Ringler, Todd
TI Prognostic Residual Mean Flow in an Ocean General Circulation Model and
its Relation to Prognostic Eulerian Mean Flow
SO JOURNAL OF PHYSICAL OCEANOGRAPHY
LA English
DT Article
ID POTENTIAL VORTICITY; TRACER TRANSPORTS; FLUX; PARAMETERIZATION; MOMENTUM
AB Recent work has shown that taking the thickness-weighted average (TWA) of the Boussinesq equations in buoyancy coordinates results in exact equations governing the prognostic residual mean flow where eddy-mean flow interactions appear in the horizontal momentum equations as the divergence of the Eliassen-Palm flux tensor (EPFT). It has been proposed that, given the mathematical tractability of the TWA equations, the physical interpretation of the EPFT, and its relation to potential vorticity fluxes, the TWA is an appropriate framework for modeling ocean circulation with parameterized eddies. The authors test the feasibility of this proposition and investigate the connections between the TWA framework and the conventional framework used in models, where Eulerian mean flow prognostic variables are solved for. Using the TWA framework as a starting point, this study explores the well-known connections between vertical transfer of horizontal momentum by eddy form drag and eddy overturning by the bolus velocity, used by Greatbatch and Lamb and Gent and McWilliams to parameterize eddies. After implementing the TWA framework in an ocean general circulation model, the analysis is verified by comparing the flows in an idealized Southern Ocean configuration simulated using the TWA and conventional frameworks with the same mesoscale eddy parameterization.
C1 [Saenz, Juan A.; Chen, Qingshan; Ringler, Todd] Los Alamos Natl Lab, Fluid Dynam & Solid Mech, Los Alamos, NM USA.
RP Saenz, JA (reprint author), POB 1663, Los Alamos, NM 87545 USA.
EM jn4snz@gmail.com
FU U.S. Department of Energy's Office of Science program for Scientific
Discovery through Advanced Computing (SciDAC); Simons Foundation
FX This work is part of the "Multiscale Methods for Accurate, Efficient,
and Scale-Aware Models of the Earth System" project, supported by the
U.S. Department of Energy's Office of Science program for Scientific
Discovery through Advanced Computing (SciDAC). Code developments and
simulations relied heavily on the work of the MPAS dynamical core
development team at LANL and NCAR and in particular the contributions
from the MPAS-O development team at LANL. We gratefully acknowledge D.
Jacobsen, P. Jones, M. Maltrud and M. Petersen for their contributions
to MPAS-O. Simulations were conducted using an institutional computing
allocation at LANL. Q. C. acknowledges the support of the Simons
Foundation through a travel grant. We thank H. Aiki, R. Tailleux, J.
Marshall, and an anonymous reviewer for constructive comments that led
to a significantly improved manuscript.
NR 24
TC 1
Z9 1
U1 0
U2 4
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0022-3670
EI 1520-0485
J9 J PHYS OCEANOGR
JI J. Phys. Oceanogr.
PD SEP
PY 2015
VL 45
IS 9
BP 2247
EP 2260
DI 10.1175/JPO-D-15-0024.1
PG 14
WC Oceanography
SC Oceanography
GA CR0TQ
UT WOS:000361036500005
ER
PT J
AU Karlen, DL
Beeler, LW
Ong, RG
Dale, BE
AF Karlen, D. L.
Beeler, L. W.
Ong, R. G.
Dale, B. E.
TI Balancing energy, conservation, and soil health requirements for plant
biomass
SO JOURNAL OF SOIL AND WATER CONSERVATION
LA English
DT Editorial Material
ID CORN STOVER HARVEST; ORGANIC-CARBON; BIOFUELS; IMPACTS; DESIGN; YIELDS
C1 [Karlen, D. L.] ARS, USDA, Natl Lab Agr & Environm, Ames, IA 50011 USA.
[Beeler, L. W.] Nat Resources Conservat Serv, Des Moines, IA USA.
[Ong, R. G.] Michigan State Univ, Great Lakes Bioenergy Res Ctr, Lansing, MI USA.
[Ong, R. G.; Dale, B. E.] Michigan State Univ, Dept Chem Engn & Mat Sci, Lansing, MI USA.
RP Karlen, DL (reprint author), ARS, USDA, Natl Lab Agr & Environm, Ames, IA 50011 USA.
NR 43
TC 0
Z9 0
U1 5
U2 18
PU SOIL WATER CONSERVATION SOC
PI ANKENY
PA 945 SW ANKENY RD, ANKENY, IA 50023-9723 USA
SN 0022-4561
EI 1941-3300
J9 J SOIL WATER CONSERV
JI J. Soil Water Conserv.
PD SEP-OCT
PY 2015
VL 70
IS 5
BP 279
EP 287
DI 10.2489/jswc.70.5.279
PG 9
WC Ecology; Soil Science; Water Resources
SC Environmental Sciences & Ecology; Agriculture; Water Resources
GA CR0TI
UT WOS:000361035700004
ER
PT J
AU Romps, DM
AF Romps, David M.
TI MSE Minus CAPE is the True Conserved Variable for an Adiabatically
Lifted Parcel
SO JOURNAL OF THE ATMOSPHERIC SCIENCES
LA English
DT Article
ID EQUIVALENT POTENTIAL TEMPERATURE; STATIC ENERGY; MOIST ATMOSPHERE;
ENTROPY BUDGET; COMPUTATION
AB For an adiabatic parcel convecting up or down through the atmosphere, it is often assumed that its moist static energy (MSE) is conserved. Here, it is shown that the true conserved variable for this process is MSE minus convective available potential energy (CAPE) calculated as the integral of buoyancy from the parcel's height to its level of neutral buoyancy and that this variable is conserved even when accounting for full moist thermodynamics and nonhydrostatic pressure forces. In the calculation of a dry convecting parcel, conservation of MSE minus CAPE gives the same answer as conservation of entropy and potential temperature, while the use of MSE alone can generate large errors. For a moist parcel, entropy and equivalent potential temperature give the same answer as MSE minus CAPE only if the parcel ascends in thermodynamic equilibrium. If the parcel ascends with a nonisothermal mixed-phase stage, these methods can give significantly different answers for the parcel buoyancy because MSE minus CAPE is conserved, while entropy and equivalent potential temperature are not.
C1 [Romps, David M.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
[Romps, David M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Romps, DM (reprint author), Univ Calif Berkeley, Dept Earth & Planetary Sci, 377 McCone Hall, Berkeley, CA 94720 USA.
EM romps@berkeley.edu
RI Romps, David/F-8285-2011
FU Scientific Discovery through Advanced Computing (Sci-DAC) program -U.S.
Department of Energy Office of Advanced Scientific Computing Research;
Scientific Discovery through Advanced Computing (Sci-DAC) program -U.S.
Department of Energy Office of Biological and Environmental Research;
U.S. Department of Energy's Earth System Modeling, an Office of Science,
Office of Biological and Environmental Research program
[DE-AC02-05CH11231]
FX This work was supported by the Scientific Discovery through Advanced
Computing (Sci-DAC) program funded by the U.S. Department of Energy
Office of Advanced Scientific Computing Research and Office of
Biological and Environmental Research and by the U.S. Department of
Energy's Earth System Modeling, an Office of Science, Office of
Biological and Environmental Research program under Contract
DE-AC02-05CH11231. The author is grateful to three reviewers and the
editor, all of whom provided input that improved this manuscript.
NR 14
TC 6
Z9 6
U1 2
U2 10
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0022-4928
EI 1520-0469
J9 J ATMOS SCI
JI J. Atmos. Sci.
PD SEP
PY 2015
VL 72
IS 9
BP 3639
EP 3646
DI 10.1175/JAS-D-15-0054.1
PG 8
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CR0TW
UT WOS:000361037100021
ER
PT J
AU Wong, M
Ovchinnikov, M
Wang, MH
AF Wong, May
Ovchinnikov, Mikhail
Wang, Minghuai
TI Evaluation of Subgrid-Scale Hydrometeor Transport Schemes Using a
High-Resolution Cloud-Resolving Model
SO JOURNAL OF THE ATMOSPHERIC SCIENCES
LA English
DT Article
ID INCLUDING MASS FLUXES; PART I; BOUNDARY-LAYER; MOIST CONVECTION;
MICROPHYSICS PARAMETERIZATION; UNIFIED PARAMETERIZATION; HORIZONTAL
RESOLUTION; CUMULUS CONVECTION; SENSITIVITY; SIMULATIONS
AB Potential ways of parameterizing vertical turbulent fluxes of hydrometeors are examined using a high-resolution simulation of continental deep convection. The cloud-resolving model uses a double-moment microphysics scheme that contains prognostic variables for four hydrometeor types: rain, graupel, cloud ice, and snow. The benchmark simulation with a horizontal grid spacing of 250 m is analyzed to evaluate three different ways of parameterizing the turbulent vertical fluxes of hydrometeors: an eddy-diffusion approximation, a quadrant-based decomposition, and a scaling method that accounts for within-quadrant (subplume) correlations. Results show that the downgradient nature of the eddy-diffusion approximation enforces transport of mass away from concentrated regions, whereas the benchmark simulation indicates that the vertical transport often moves mass from below the level of maximum concentration to aloft. Unlike the eddy-diffusion approach, the quadrimodal decomposition is able to capture the signs of the flux gradient but underestimates the magnitudes. The scaling approach, which accounts empirically for within-quadrant correlations, improves the representation of the vertical fluxes for all hydrometeors except snow. A sensitivity study is performed to illustrate how vertical transport effects on the vertical distribution of hydrometeors are compounded by accompanying changes in microphysical process rates. Results from the sensitivity tests show that suppressing rain or graupel transport drastically alters vertical profiles of cloud ice and snow through changes in the distribution of cloud water, which in turn governs the production of cloud ice and snow aloft. Last, a viable subgrid-scale hydrometeor transport scheme in an assumed probability density function parameterization is discussed.
C1 [Wong, May; Ovchinnikov, Mikhail] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Wang, Minghuai] Nanjing Univ, Inst Climate & Global Change Res, Nanjing 210008, Jiangsu, Peoples R China.
[Wang, Minghuai] Nanjing Univ, Sch Atmospher Sci, Nanjing 210008, Jiangsu, Peoples R China.
[Wang, Minghuai] Collaborat Innovat Ctr Climate Change, Nanjing, Jiangsu, Peoples R China.
RP Wong, M (reprint author), Natl Ctr Atmospher Res, Mesoscale & Microscale Meteorol Lab, 3450 Mitchell Lane, Boulder, CO 80301 USA.
EM mwong@ucar.edu
RI Wang, Minghuai/E-5390-2011
OI Wang, Minghuai/0000-0002-9179-228X
FU U.S. Department of Energy (DOE), Office of Science, Biological and
Environmental Research (BER) under the Atmospheric System Research (ASR)
Program; U.S. Department of Energy [DE-AC06-76RLO1830]; DOE Office of
Science
FX This research is based on work supported by the U.S. Department of
Energy (DOE), Office of Science, Biological and Environmental Research
(BER) under the Atmospheric System Research (ASR) Program. Computing
resources for the simulations are provided by the National Energy
Research Scientific Computing Center (NERSC). Pacific Northwest National
Laboratory is operated by Battelle for the U.S. Department of Energy
under Contract DE-AC06-76RLO1830. Forcing data were obtained from the
ARM program archive, sponsored by the DOE Office of Science. The authors
thank Vincent Larson for many useful discussions. We also thank the
reviewers for their careful reviews and helpful comments.
NR 42
TC 1
Z9 1
U1 1
U2 5
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0022-4928
EI 1520-0469
J9 J ATMOS SCI
JI J. Atmos. Sci.
PD SEP
PY 2015
VL 72
IS 9
BP 3715
EP 3731
DI 10.1175/JAS-D-15-0060.1
PG 17
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CR0TW
UT WOS:000361037100026
ER
PT J
AU Campione, S
Luk, TS
Liu, S
Sinclair, MB
AF Campione, Salvatore
Luk, Ting S.
Liu, Sheng
Sinclair, Michael B.
TI Realizing high-quality, ultralarge momentum states and ultrafast
topological transitions using semiconductor hyperbolic metamaterials
SO JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
LA English
DT Article
ID EXPERIMENTAL REALIZATION; ABSORPTION
AB We employ both the effective medium approximation (EMA) and Bloch theory to compare the dispersion properties of semiconductor hyperbolic metamaterials (SHMs) at mid-infrared frequencies and metallic hyperbolic metamaterials (MHMs) at visible frequencies. This analysis reveals the conditions under which the EMA can be safely applied for both MHMs and SHMs. We find that the combination of precise nanoscale layering and the longer infrared operating wavelengths puts the SHMs well within the effective medium limit and, in contrast to MHMs, allows for the attainment of very high photon momentum states. In addition, SHMs allow for new phenomena such as ultrafast creation of the hyperbolic manifold through optical pumping. In particular, we examine the possibility of achieving ultrafast topological transitions through optical pumping which can photo-dope appropriately designed quantum wells on the femtosecond time scale. (C) 2015 Optical Society of America
C1 [Campione, Salvatore; Luk, Ting S.; Liu, Sheng] Sandia Natl Labs, Ctr Integrated Nanotechnol CINT, Albuquerque, NM 87185 USA.
[Campione, Salvatore; Luk, Ting S.; Liu, Sheng; Sinclair, Michael B.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Campione, S (reprint author), Sandia Natl Labs, Ctr Integrated Nanotechnol CINT, POB 5800, Albuquerque, NM 87185 USA.
EM sncampi@sandia.gov; mbsincl@sandia.gov
FU Basic Energy Sciences (BES); Center for Integrated Nanotechnologies
(CINT); U.S. Department of Energy (DOE)
FX Basic Energy Sciences (BES); Center for Integrated Nanotechnologies
(CINT); U.S. Department of Energy (DOE).
NR 40
TC 4
Z9 4
U1 3
U2 9
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 0740-3224
EI 1520-8540
J9 J OPT SOC AM B
JI J. Opt. Soc. Am. B-Opt. Phys.
PD SEP 1
PY 2015
VL 32
IS 9
BP 1809
EP 1815
DI 10.1364/JOSAB.32.001809
PG 7
WC Optics
SC Optics
GA CQ7VO
UT WOS:000360813800007
ER
PT J
AU Sakwa-Novak, MA
Holewinski, A
Hoyt, CB
Yoo, CJ
Chai, SH
Dai, S
Jones, CW
AF Sakwa-Novak, Miles A.
Holewinski, Adam
Hoyt, Caroline B.
Yoo, Chun-Jae
Chai, Song-Hai
Dai, Sheng
Jones, Christopher W.
TI Probing the Role of Zr Addition versus Textural Properties in
Enhancement of CO2 Adsorption Performance in Silica/PEI Composite
Sorbents
SO LANGMUIR
LA English
DT Article
ID ORDERED MESOPOROUS SILICA; CARBON-DIOXIDE CAPTURE; AMINE-GRAFTED SBA-15;
HYBRID MATERIALS; PORE-SIZE; SURFACE; POLYETHYLENIMINE; MICROPOROSITY;
ADSORBENTS; MECHANISM
AB Polymeric amines such as poly(ethylenimine) (PEI) supported on mesoporous oxides are promising candidate adsorbents for CO2, capture processes. An important aspect to the design and optimization of these materials is a fundamental understanding of how the properties of the oxide support such as pore structure) particle morphology, and surface properties affect the efficiency of the guest polymer in its interactions with CO2. Previously, the efficiency of impregnated PEI to adsorb CO2, was shown to increase upon the addition of Zr as a surface modifier in SBA-LS: However, the efficacy of this method to tune the adsorption performance has not been explored in materials of differing textural and morphological nature. Here, these issues are directly addressed via the preparation of an array of SBA-15 support materials with varying textural and morphological properties, as well as varying content of zirconium doped into the material. Zirconium is incorporated into the SBA-15 either during the synthesis of the SBA-15, or postsynthetically via deposition of Zr species Onto pure-silica SBA-15. The method of Zr incorporation alters the textural and morphological properties of the parent SBA-15 in different ways. Importantly, the CO2, capacity of SBA-15 impregnated with PEI increases by a maximum of,similar to 60% with the quantity of doped Zr for a "standard" SBA-15 containing significant microporosity, while no increase in the CO2, capacity is observed upon Zr incorporation for an SBA-15 with reduced rnicroporosity and a larger pore size, pore volume, and particle size. Finally, adsorbents supported on SBA-LS with controlled particle morphology show only modest increases in CO2, capacity upon inclusion of Zr to the silica framework. The data demonstrate that the textural and morphological properties of the support have a more significant impact on the ability of PEI to capture CO2, than the support surface composition.
C1 [Sakwa-Novak, Miles A.; Holewinski, Adam; Hoyt, Caroline B.; Yoo, Chun-Jae; Jones, Christopher W.] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
[Chai, Song-Hai; Dai, Sheng] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37830 USA.
RP Jones, CW (reprint author), Georgia Inst Technol, Sch Chem & Biomol Engn, 311 Ferst Dr NW, Atlanta, GA 30332 USA.
EM cjones@chbe.gatech.edu
RI Chai, Song-Hai/A-9299-2012; Dai, Sheng/K-8411-2015
OI Chai, Song-Hai/0000-0002-4152-2513; Dai, Sheng/0000-0002-8046-3931
FU U.S. Department of Energy, Office of Science, Basic Energy Sciences
[DE-SC0012577]
FX This work was supported as part of UNCAGE-ME, an Energy Frontier
Research Center funded by the U.S. Department of Energy, Office of
Science, Basic Energy Sciences under Award no. DE-SC0012577.
NR 53
TC 5
Z9 5
U1 4
U2 34
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0743-7463
J9 LANGMUIR
JI Langmuir
PD SEP 1
PY 2015
VL 31
IS 34
BP 9356
EP 9365
DI 10.1021/acs.langmuir.5b02114
PG 10
WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science,
Multidisciplinary
SC Chemistry; Materials Science
GA CQ7HG
UT WOS:000360773000012
PM 26256038
ER
PT J
AU Ting, YS
Egertson, JD
Payne, SH
Kim, S
MacLean, B
Kall, L
Aebersold, R
Smith, RD
Noble, WS
MacCoss, MJ
AF Ting, Ying S.
Egertson, Jarrett D.
Payne, Samuel H.
Kim, Sangtae
MacLean, Brendan
Kall, Lukas
Aebersold, Ruedi
Smith, Richard D.
Noble, William Stafford
MacCoss, Michael J.
TI Peptide-Centric Proteome Analysis: An Alternative Strategy for the
Analysis of Tandem Mass Spectrometry Data
SO MOLECULAR & CELLULAR PROTEOMICS
LA English
DT Review
ID DATA-INDEPENDENT-ACQUISITION; COLLISION-INDUCED DISSOCIATION;
LARGE-SCALE PROTEOMICS; SHOTGUN PROTEOMICS; QUANTITATIVE-ANALYSIS;
MIXTURE SPECTRA; MS/MS SPECTRA; SEARCH TOOL; IDENTIFICATION;
QUANTIFICATION
AB In mass spectrometry-based bottom-up proteomics, data-independent acquisition is an emerging technique because of its comprehensive and unbiased sampling of precursor ions. However, current data-independent acquisition methods use wide precursor isolation windows, resulting in cofragmentation and complex mixture spectra. Thus, conventional database searching tools that identify peptides by interpreting individual tandem MS spectra are inherently limited in analyzing data-independent acquisition data. Here we discuss an alternative approach, peptide-centric analysis, which tests directly for the presence and absence of query peptides. We discuss how peptide-centric analysis resolves some limitations of traditional spectrum-centric analysis, and we outline the unique characteristics of peptide-centric analysis in general.
C1 [Ting, Ying S.; Egertson, Jarrett D.; MacLean, Brendan; Noble, William Stafford; MacCoss, Michael J.] Univ Washington, Dept Genome Sci, Seattle, WA 98195 USA.
[Payne, Samuel H.; Kim, Sangtae; Smith, Richard D.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Kall, Lukas] Royal Inst Technol KTH, Sci Life Lab, Stockholm, Sweden.
[Aebersold, Ruedi] ETH, Inst Mol Syst Biol, Dept Biol, Swiss Fed Inst Technol, Zurich, Switzerland.
[Noble, William Stafford] Univ Washington, Dept Comp Sci & Engn, Seattle, WA 98195 USA.
[Aebersold, Ruedi] Univ Zurich, Fac Sci, Zurich, Switzerland.
RP MacCoss, MJ (reprint author), Univ Washington, 3720 15th Ave NE Box 355065,Foege S113, Seattle, WA 98195 USA.
EM maccoss@uw.edu
RI Smith, Richard/J-3664-2012;
OI Smith, Richard/0000-0002-2381-2349; Kall, Lukas/0000-0001-5689-9797;
Payne, Samuel/0000-0002-8351-1994
FU National Institutes of Health [R01 GM103551, R01 GM096306, P41 GM103533,
R21 CA192983, F31 AG037265]; US Department of Energy; European Research
Council [ERC-2008-AdG 233226]
FX This work was supported by the National Institutes of Health Grants R01
GM103551, R01 GM096306, P41 GM103533, R21 CA192983, and F31 AG037265, an
Early Career Award from the US Department of Energy (to S.H.P.) and the
European Research Council (Grant# ERC-2008-AdG 233226).
NR 55
TC 13
Z9 13
U1 3
U2 26
PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA
SN 1535-9476
EI 1535-9484
J9 MOL CELL PROTEOMICS
JI Mol. Cell. Proteomics
PD SEP
PY 2015
VL 14
IS 9
BP 2301
EP 2307
DI 10.1074/mcp.O114.047035
PG 7
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA CQ7YO
UT WOS:000360823000001
PM 26217018
ER
PT J
AU Wiesner, MP
Lin, H
Soares-Santos, M
AF Wiesner, Matthew P.
Lin, Huan
Soares-Santos, Marcelle
TI Mass calibration of galaxy clusters at redshift 0.1-1.0 using weak
lensing in the Sloan Digital Sky Survey Stripe 82 co-add
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE gravitational lensing: weak; surveys; galaxies: clusters: general
ID COSMOLOGICAL CONSTRAINTS; MAXBCG; CATALOG; FINDER; LUMINOSITY; PROFILES
AB We present galaxy cluster mass-richness relations found in the Sloan Digital Sky Survey Stripe 82 co-add using clusters found using a Voronoi tessellation cluster finder. These relations were found using stacked weak lensing shear observed in a large sample of galaxy clusters. These mass-richness relations are presented for four redshift bins, 0.1 < z <= 0.4, 0.4 < z <= 0.7, 0.7 < z <= 1.0 and 0.1 < z <= 1.0. We describe the sample of galaxy clusters and explain how these clusters were found using a Voronoi tessellation cluster finder. We fit a Navarro-Frenk-White profile to the stacked weak lensing shear signal in redshift and richness bins in order to measure virial mass (M-200). We describe several effects that can bias weak lensing measurements, including photometric redshift bias, the effect of the central BCG, halo miscentering, photometric redshift uncertainty and foreground galaxy contamination. We present mass-richness relations using richness measure N-VT with each of these effects considered separately as well as considered altogether. We also examine redshift evolution of the mass-richness relation. As a result, we present measurements of the mass coefficient (M-200 vertical bar 20) and the power-law slope (alpha) for power-law fits to the mass and richness values in each of the redshift bins. We find values of the mass coefficient of 8.49 +/- 0.526, 14.1 +/- 1.78, 30.2 +/- 8.74 and 9.23 +/- 0.525 x 10(13) h(-1) M-circle dot for each of the four redshift bins, respectively. We find values of the power-law slope of 0.905 +/- 0.0585, 0.948 +/- 0.100, 1.33 +/- 0.260 and 0.883 +/- 0.0500, respectively.
C1 [Wiesner, Matthew P.] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA.
[Lin, Huan; Soares-Santos, Marcelle] Fermilab Natl Accelerator Lab, Fermilab Ctr Particle Astrophys, Batavia, IL 60510 USA.
RP Wiesner, MP (reprint author), Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA.
EM matthewwiesner@aol.com
FU Alfred P. Sloan Foundation; National Science Foundation; US Department
of Energy; National Aeronautics and Space Administration; Japanese
Monbukagakusho; Max Planck Society; Higher Education Funding Council for
England; American Museum of Natural History; Astrophysical Institute
Potsdam; University of Basel; University of Cambridge; Case Western
Reserve University; University of Chicago; Drexel University; Fermilab;
Institute for Advanced Study; Japan Participation Group; Johns Hopkins
University; Joint Institute for Nuclear Astrophysics; Kavli Institute
for Particle Astrophysics and Cosmology; Korean Scientist Group; Chinese
Academy of Sciences (LAMOST); Los Alamos National Laboratory; Max-Planck
Institute for Astronomy (MPIA); Max-Planck-Institute for Astrophysics
(MPA); New Mexico State University; Ohio State University; University of
Pittsburgh; University of Portsmouth; Princeton University; United
States Naval Observatory; University of Washington; United States
Department of Energy [DE-AC02-07CH11359]
FX Funding for the SDSS and SDSS-II has been provided by the Alfred P.
Sloan Foundation, the participating institutions, the National Science
Foundation, the US Department of Energy, the National Aeronautics and
Space Administration, the Japanese Monbukagakusho, the Max Planck
Society, and the Higher Education Funding Council for England. The SDSS
website is http://www.sdss.org/.; The SDSS is managed by the
Astrophysical Research Consortium for the participating institutions.
The participating institutions are the American Museum of Natural
History, Astrophysical Institute Potsdam, University of Basel,
University of Cambridge, Case Western Reserve University, University of
Chicago, Drexel University, Fermilab, the Institute for Advanced Study,
the Japan Participation Group, Johns Hopkins University, the Joint
Institute for Nuclear Astrophysics, the Kavli Institute for Particle
Astrophysics and Cosmology, the Korean Scientist Group, the Chinese
Academy of Sciences (LAMOST), Los Alamos National Laboratory, the
Max-Planck Institute for Astronomy (MPIA), the Max-Planck-Institute for
Astrophysics (MPA), New Mexico State University, Ohio State University,
University of Pittsburgh, University of Portsmouth, Princeton
University, the United States Naval Observatory and the University of
Washington.; Fermilab is operated by Fermi Research Alliance, LLC under
contract no. DE-AC02-07CH11359 with the United States Department of
Energy. We are grateful for the comments and suggestions of the
anonymous referee.
NR 36
TC 2
Z9 2
U1 1
U2 1
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0035-8711
EI 1365-2966
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD SEP 1
PY 2015
VL 452
IS 1
BP 701
EP 714
DI 10.1093/mnras/stv1332
PG 14
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA CQ8IP
UT WOS:000360851100051
ER
PT J
AU Nan, CW
Jia, QX
AF Nan, Ce-Wen
Jia, Quanxi
TI Obtaining ultimate functionalities in nanocomposites: Design, control,
and fabrication
SO MRS BULLETIN
LA English
DT Article
ID COMPOSITES
AB Emergent behavior can be achieved in composites by interfacing different materials at the nano-or mesoscales. Integrating different materials on a single platform or forming composite provides a new design paradigm to yield enhanced or novel functionalities that cannot be obtained in individual constituents. Nanocomposites, in particular, have been model systems for enhancing interface effects on physical properties because they provide reduced dimensionality or enlarged interfacial areas. To fabricate technologically relevant multifunctional materials, one needs to understand and control the interactions in different materials by manipulating interfaces at the nano-or mesoscales. This issue of MRS Bulletin focuses on nanocomposites, with an emphasis on approaches to the design and control of the functionalities of composite materials through controlled synthesis and advanced characterization in concert with simulation and modeling.
C1 [Nan, Ce-Wen] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing, Peoples R China.
[Nan, Ce-Wen] Tsinghua Univ, Sch Mat Sci & Engn, Beijing, Peoples R China.
[Jia, Quanxi] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Nan, CW (reprint author), Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing, Peoples R China.
EM cwnan@tsinghua.edu.cn; qxjia@lanl.gov
FU NSF of China [51221291]; Laboratory Directed Research and Development
Program; Center for Integrated Nanotechnologies
FX The work at Tsinghua University was supported by the NSF of China (Grant
No. 51221291). The work at Los Alamos was supported by the Laboratory
Directed Research and Development Program and the Center for Integrated
Nanotechnologies, an Office of Science User Facility operated by the
U.S. Department of Science.
NR 13
TC 7
Z9 7
U1 4
U2 20
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0883-7694
EI 1938-1425
J9 MRS BULL
JI MRS Bull.
PD SEP
PY 2015
VL 40
IS 9
BP 719
EP 723
DI 10.1557/mrs.2015.196
PG 5
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CR0TF
UT WOS:000361035400001
ER
PT J
AU Firestone, MA
Hayden, SC
Huber, DL
AF Firestone, Millicent A.
Hayden, Steven C.
Huber, Dale L.
TI Greater than the sum: Synergy and emergent properties in
nanoparticle-polymer composites
SO MRS BULLETIN
LA English
DT Article
ID LAYERED SILICATE NANOCOMPOSITES; SOLAR-CELLS; INORGANIC NANOPARTICLES;
SILVER NANOPARTICLES; METAL NANOPARTICLES; HETEROGENEOUS CATALYSIS;
GRAFTED NANOPARTICLES; MECHANICAL-PROPERTIES; FUNCTIONAL MATERIALS;
OXIDE NANOPARTICLES
AB The ongoing pursuit of multifunctional soft materials that can impact a wide range of technological challenges, ranging from information processing to energy storage and transducing devices, has resulted in the development of hybrid materials composed of nanoparticles (NPs) dispersed in polymers. Beyond the simple preparation of composites that have the additive value of the individual components, this review discusses recent work and trends in composites that exhibit novel synergistic or emergent properties arising from combining the components. In particular, we highlight recent examples of composites in which NP assembly within polymers leads to enhancement or changes of the NP properties and how introducing NPs into a polymer can cause significant changes in the polymer's intrinsic properties.
C1 [Firestone, Millicent A.; Hayden, Steven C.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Huber, Dale L.] Sandia Natl Labs, Ctr Integrated Nanotechnol, Livermore, CA 94550 USA.
RP Firestone, MA (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
EM firestone@lanl.gov; scchayden@gmail.com; dale.huber@sandia.gov
RI Huber, Dale/A-6006-2008
OI Huber, Dale/0000-0001-6872-8469
FU US Department of Energy, Center for Integrated Nanotechnologies, at Los
Alamos National Laboratory [DE-AC52-06NA25396]; US Department of Energy,
Center for Integrated Nanotechnologies, at Sandia National Laboratory;
Lockheed Martin Corporation, for the US Department of Energy's National
Nuclear Security Administration [DE-AC04-94AL85000]
FX M.A.F. and S.C.H. acknowledge support from the US Department of Energy,
Center for Integrated Nanotechnologies, at Los Alamos National
Laboratory (Contract DE-AC52-06NA25396). D.L.H. acknowledges support
from the US Department of Energy, Center for Integrated
Nanotechnologies, at Sandia National Laboratory. Sandia National
Laboratories is a multiprogram laboratory managed and operated by Sandia
Corporation, a wholly owned subsidiary of Lockheed Martin Corporation,
for the US Department of Energy's National Nuclear Security
Administration under Contract DE-AC04-94AL85000.
NR 104
TC 7
Z9 7
U1 8
U2 40
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0883-7694
EI 1938-1425
J9 MRS BULL
JI MRS Bull.
PD SEP
PY 2015
VL 40
IS 9
BP 760
EP 767
DI 10.1557/mrs.2015.202
PG 8
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CR0TF
UT WOS:000361035400005
ER
PT J
AU Hollingsworth, JA
Htoon, H
Piryatinski, A
Gotzinger, S
Sandoghdar, V
AF Hollingsworth, Jennifer A.
Htoon, Han
Piryatinski, Andrei
Goetzinger, Stephan
Sandoghdar, Vahid
TI When excitons and plasmons meet: Emerging function through synthesis and
assembly
SO MRS BULLETIN
LA English
DT Article
ID BINARY NANOCRYSTAL SUPERLATTICES; QUANTUM-DOT ASSEMBLIES; SINGLE-PHOTON
EMISSION; NANOPARTICLE ASSEMBLIES; GOLD NANOPARTICLES;
STRUCTURAL-CHARACTERIZATION; FLUORESCENCE PROPERTIES; METAL
NANOPARTICLES; THERMAL-STABILITY; SILVER NANOWIRE
AB To meet the challenge of precise nanoscale arrangement of emitter and plasmonic nanoantenna, synthesis and assembly methods continue to evolve in accuracy and reproducibility. This article reviews some of the many strategies being developed for "soft" chemical approaches to precision integration and assembly. We also discuss investigations of the Purcell effect, emission directionality control, and near-unity collection efficiency of photons, emitter emitter coupling, and higher-order emission processes that have been most deeply explored using individual-emitter- (or several-emitter-) nanoantenna pairs fabricated using traditional lithographic methods or dynamically and controllably manipulated using scanning probe methods. Importantly, these results along with theoretical analyses inspire and motivate continued advancements in large-scale synthesis and assembly. We emphasize assembly approaches that have been used to create nanosemiconductor-nanometal hybrids and, in particular, those that have afforded specific plasmonic effects on excitonic properties. We also review direct-synthesis and chemical-linker strategies to creating discrete, though less spatially extended, semiconductor-metal interactions.
C1 [Hollingsworth, Jennifer A.; Htoon, Han] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Piryatinski, Andrei] Los Alamos Natl Lab, Div Theoret, Phys Condensed Matter & Complex Syst, Los Alamos, NM 87545 USA.
[Goetzinger, Stephan] Univ Erlangen Nurnberg, Dept Phys, Erlangen, Germany.
[Goetzinger, Stephan; Sandoghdar, Vahid] Max Planck Inst Sci Light, Munich, Germany.
[Sandoghdar, Vahid] Univ Erlangen Nurnberg, Erlangen, Germany.
RP Hollingsworth, JA (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
EM jenn@lanl.gov; htoon@lanl.gov; apiryat@lanl.gov; goetzinger@mpl.mpg.de;
vahid.sandoghdar@mpl.mpg.de
RI Piryatinski, Andrei/B-5543-2009; Goetzinger, Stephan/C-7396-2013;
OI Htoon, Han/0000-0003-3696-2896
NR 126
TC 4
Z9 4
U1 9
U2 40
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0883-7694
EI 1938-1425
J9 MRS BULL
JI MRS Bull.
PD SEP
PY 2015
VL 40
IS 9
BP 768
EP 776
DI 10.1557/mrs.2015.200
PG 9
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CR0TF
UT WOS:000361035400006
ER
PT J
AU Diao, S
Hong, GS
Antaris, AL
Blackburn, JL
Cheng, K
Cheng, Z
Dai, HJ
AF Diao, Shuo
Hong, Guosong
Antaris, Alexander L.
Blackburn, Jeffrey L.
Cheng, Kai
Cheng, Zhen
Dai, Hongjie
TI Biological imaging without autofluorescence in the second near-infrared
region
SO NANO RESEARCH
LA English
DT Article
DE fluorescence imaging; second near-infrared; nanotechnology;
autofluorescence
ID WALLED CARBON NANOTUBES; IN-VIVO; QUANTUM DOTS; OPTICAL-PROPERTIES;
FLUORESCENCE; REDUCTION; TISSUE; WINDOW; MICROSCOPY; EMISSION
AB Fluorescence imaging is capable of acquiring anatomical and functional information with high spatial and temporal resolution. This imaging technique has been indispensable in biological research and disease detection/diagnosis. Imaging in the visible and to a lesser degree, in the near-infrared (NIR) regions below 900 nm, suffers from autofluorescence arising from endogenous fluorescent molecules in biological tissues. This autofluorescence interferes with fluorescent molecules of interest, causing a high background and low detection sensitivity. Here, we report that fluorescence imaging in the 1,500-1,700-nm region (termed "NIR-IIb") under 808-nm excitation results in nearly zero tissue autofluorescence, allowing for background-free imaging of fluorescent species in otherwise notoriously autofluorescent biological tissues, including liver. Imaging of the intrinsic fluorescence of individual fluorophores, such as a single carbon nanotube, can be readily achieved with high sensitivity and without autofluorescence background in mouse liver within the 1,500-1,700-nm wavelength region.
C1 [Diao, Shuo; Hong, Guosong; Antaris, Alexander L.; Dai, Hongjie] Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
[Blackburn, Jeffrey L.] Natl Renewable Energy Lab, Chem & Mat Sci Ctr, Golden, CO 80401 USA.
[Cheng, Kai; Cheng, Zhen] Stanford Univ, MIPS, Stanford, CA 94305 USA.
[Cheng, Kai; Cheng, Zhen] Stanford Univ, Dept Radiol, Stanford, CA 94305 USA.
RP Dai, HJ (reprint author), Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
EM hdai@stanford.edu
RI Cheng, Zhen/K-2843-2012
FU Solar Photochemistry Program of the U.S. Department of Energy, Office of
Science, Basic Energy Sciences, Division of Chemical Sciences,
Geosciences and Biosciences [DE-AC36-08GO28308]
FX Jeffrey L. Blackburn graciously acknowledges support from the Solar
Photochemistry Program of the U.S. Department of Energy, Office of
Science, Basic Energy Sciences, Division of Chemical Sciences,
Geosciences and Biosciences, under Contract No. DE-AC36-08GO28308 to
NREL.
NR 36
TC 12
Z9 12
U1 23
U2 89
PU TSINGHUA UNIV PRESS
PI BEIJING
PA TSINGHUA UNIV, RM A703, XUEYAN BLDG, BEIJING, 10084, PEOPLES R CHINA
SN 1998-0124
EI 1998-0000
J9 NANO RES
JI Nano Res.
PD SEP
PY 2015
VL 8
IS 9
BP 3027
EP 3034
DI 10.1007/s12274-015-0808-9
PG 8
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Physics, Applied
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA CR1BF
UT WOS:000361057000025
ER
PT J
AU Harutyunyan, H
Martinson, ABF
Rosenmann, D
Khorashad, LK
Besteiro, LV
Govorov, AO
Wiederrecht, GP
AF Harutyunyan, Hayk
Martinson, Alex B. F.
Rosenmann, Daniel
Khorashad, Larousse Khosravi
Besteiro, Lucas V.
Govorov, Alexander O.
Wiederrecht, Gary P.
TI Anomalous ultrafast dynamics of hot plasmonic electrons in
nanostructures with hot spots
SO NATURE NANOTECHNOLOGY
LA English
DT Article
ID METAL NANOCRYSTALS; GOLD NANOPARTICLE; OPTICAL ANTENNAS; NANOANTENNAS;
ENHANCEMENT; GENERATION; CARRIERS
AB The interaction of light and matter in metallic nanosystems is mediated by the collective oscillation of surface electrons, called plasmons(1). After excitation, plasmons are absorbed by the metal electrons through inter- and intraband transitions, creating a highly non-thermal distribution of electrons(2-4). The electron population then decays through electron-electron interactions, creating a hot electron distribution within a few hundred femtoseconds, followed by a further relaxation via electron-phonon scattering on the timescale of a few pico-seconds(5-8). In the spectral domain, hot plasmonic electrons induce changes to the plasmonic resonance of the nanostructure by modifying the dielectric constant of the metal(5,9). Here, we report on the observation of anomalously strong changes to the ultrafast temporal and spectral responses of these excited hot plasmonic electrons in hybrid metal/oxide nanostructures as a result of varying the geometry and composition of the nanostructure and the excitation wavelength. In particular, we show a large ultrafast, pulsewidth-limited contribution to the excited electron decay signal in hybrid nanostructures containing hot spots. The intensity of this contribution correlates with the efficiency of the generation of highly excited surface electrons. Using theoretical models, we attribute this effect to the generation of hot plasmonic electrons from hot spots. We then develop general principles to enhance the generation of energetic electrons through specifically designed plasmonic nanostructures that could be used in applications where hot electron generation is beneficial, such as in solar photocatalysis, photodetectors and nonlinear devices(10-19).
C1 [Harutyunyan, Hayk; Rosenmann, Daniel; Wiederrecht, Gary P.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Harutyunyan, Hayk] Emory Univ, Dept Phys, Atlanta, GA 30322 USA.
[Martinson, Alex B. F.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Khorashad, Larousse Khosravi; Besteiro, Lucas V.; Govorov, Alexander O.] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA.
RP Harutyunyan, H (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM hayk.harutyunyan@emory.edu; govorov@helios.phy.ohiou.edu;
wiederrecht@anl.gov
FU Center for Nanoscale Materials, a US Department of Energy, Office of
Science, Office of Basic Energy Sciences User Facility
[DE-AC02-06CH11357]; Argonne-Northwestern Solar Energy Research (ANSER)
Center, an Energy Frontier Research Center - US Department of Energy,
Office of Science, Office of Basic Energy Sciences [DE-SC0001059];
Volkswagen Foundation; US Army Research Office [W911NF-12-1-0407]
FX This work was performed, in part, at the Center for Nanoscale Materials,
a US Department of Energy, Office of Science, Office of Basic Energy
Sciences User Facility under contract no. DE-AC02-06CH11357. Work by
A.B.F.M. was supported by the Argonne-Northwestern Solar Energy Research
(ANSER) Center, an Energy Frontier Research Center funded by the US
Department of Energy, Office of Science, Office of Basic Energy Sciences
under award no. DE-SC0001059. A.O.G. and L.K.K. acknowledge support from
the Volkswagen Foundation and the US Army Research Office
(W911NF-12-1-0407). The authors thank L. Ocola and R. Divan for their
invaluable help with fabrication instruments and processes.
NR 31
TC 36
Z9 36
U1 25
U2 136
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1748-3387
EI 1748-3395
J9 NAT NANOTECHNOL
JI Nat. Nanotechnol.
PD SEP
PY 2015
VL 10
IS 9
BP 770
EP +
DI 10.1038/NNANO.2015.165
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA CQ9JY
UT WOS:000360932000012
PM 26237345
ER
PT J
AU Olf, R
Fang, F
Marti, GE
MacRae, A
Stamper-Kurn, DM
AF Olf, Ryan
Fang, Fang
Marti, G. Edward
MacRae, Andrew
Stamper-Kurn, Dan M.
TI Thermometry and cooling of a Bose gas to 0.02 times the condensation
temperature
SO NATURE PHYSICS
LA English
DT Article
ID ULTRACOLD ATOMS; FERMI GAS; MOTT INSULATOR; QUANTUM GASES; TRANSITION;
SUPERFLUID; THERMODYNAMICS
AB Trapped quantum gases can be cooled to impressively low temperatures(1,2), but it is unclear whether their entropy is low enough to realize phenomena such as d-wave superconductivity and magnetic ordering(3). Estimated critical entropies per particle for quantum magnetic ordering are similar to 0.3k(B) and similar to 0.03k(B) for bosons in three-and two-dimensional lattices, respectively(4), with similar values for Neel ordering of lattice-trapped Fermi gases(5). Here we report reliable single-shot temperature measurements of a degenerate Rb gas by imaging the momentum distribution of thermalized magnons, which are spin excitations of the atomic gas. We record average temperatures fifty times lower than the Bose-Einstein condensation temperature, indicating an entropy per particle of similar to 0.001k(B) at equilibrium, nearly two orders of magnitude lower than the previous best in a dilute atomic gas(2,6) and well below the critical entropy for antiferromagnetic ordering of a Bose-Hubbard system. The magnons can reduce the temperature of the system by absorbing energy during thermalization and by enhancing evaporative cooling, allowing the production of low-entropy gases in deep traps.
C1 [Olf, Ryan; Fang, Fang; Marti, G. Edward; MacRae, Andrew; Stamper-Kurn, Dan M.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Stamper-Kurn, Dan M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Olf, R (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM ryan@efrus.com
FU NASA; AFOSR through the MURI program; Fannie and John Hertz Foundation
FX We thank H. Kadau and E. Copenhaver for assistance improving the
experimental apparatus. We acknowledge the primary research support from
NASA and the AFOSR through the MURI program, and also secondary support
for personnel through the NSF. G.E.M. acknowledges support from the
Fannie and John Hertz Foundation.
NR 28
TC 10
Z9 10
U1 3
U2 10
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
EI 1745-2481
J9 NAT PHYS
JI Nat. Phys.
PD SEP
PY 2015
VL 11
IS 9
BP 720
EP +
DI 10.1038/NPHYS3408
PG 6
WC Physics, Multidisciplinary
SC Physics
GA CQ6IY
UT WOS:000360709200011
ER
PT J
AU Yang, LX
Liu, ZK
Sun, Y
Peng, H
Yang, HF
Zhang, T
Zhou, B
Zhang, Y
Guo, YF
Rahn, M
Prabhakaran, D
Hussain, Z
Mo, SK
Felser, C
Yan, B
Chen, YL
AF Yang, L. X.
Liu, Z. K.
Sun, Y.
Peng, H.
Yang, H. F.
Zhang, T.
Zhou, B.
Zhang, Y.
Guo, Y. F.
Rahn, M.
Prabhakaran, D.
Hussain, Z.
Mo, S. -K.
Felser, C.
Yan, B.
Chen, Y. L.
TI Weyl semimetal phase in the non-centrosymmetric compound TaAs
SO NATURE PHYSICS
LA English
DT Article
ID TOPOLOGICAL DIRAC SEMIMETAL; SURFACE FERMI ARCS; ULTRAHIGH MOBILITY;
INSULATORS; CD3AS2; MAGNETORESISTANCE; DISCOVERY
AB Three-dimensional (3D) topological Weyl semimetals (TWSs) represent a state of quantum matter with unusual electronic structures that resemble both a '3D graphene' and a topological insulator. Their electronic structure displays pairs of Weyl points (through which the electronic bands disperse linearly along all three momentum directions) connected by topological surface states, forming a unique arc-like Fermi surface (FS). Each Weyl point is chiral and contains half the degrees of freedom of a Dirac point, and can be viewed as a magnetic monopole in momentum space. By performing angle-resolved photoemission spectroscopy on the non-centrosymmetric compound TaAs, here we report its complete band structure, including the unique Fermi-arc FS and linear bulk band dispersion across the Weyl points, in agreement with the theoretical calculations1,2. This discovery not only confirms TaAs as a 3DTWS, but also provides an ideal platform for realizing exotic physical phenomena (for example, negative magnetoresistance, chiral magnetic effects and the quantum anomalous Hall effect) which may also lead to novel future applications.
C1 [Yang, L. X.; Zhang, T.; Chen, Y. L.] Tsinghua Univ, Collaborat Innovat Ctr Quantum Matter, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China.
[Yang, L. X.; Zhang, T.; Chen, Y. L.] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
[Yang, L. X.; Peng, H.; Yang, H. F.; Zhang, T.; Zhou, B.; Guo, Y. F.; Rahn, M.; Prabhakaran, D.; Chen, Y. L.] Univ Oxford, Dept Phys, Oxford OX1 3PU, England.
[Yang, L. X.; Zhou, B.; Zhang, Y.; Hussain, Z.; Mo, S. -K.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Liu, Z. K.; Chen, Y. L.] Diamond Light Source, Didcot OX11 0QX, Oxon, England.
[Liu, Z. K.; Yan, B.; Chen, Y. L.] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China.
[Sun, Y.; Felser, C.; Yan, B.] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany.
[Yang, H. F.] Chinese Acad Sci, SIMIT, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China.
RP Chen, YL (reprint author), Tsinghua Univ, Collaborat Innovat Ctr Quantum Matter, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China.
EM yulin.chen@physics.ox.ac.uk
RI Mo, Sung-Kwan/F-3489-2013; Zhang, Yi/J-9025-2013; Yang, lexian
/G-1123-2016; Yanfeng, Guo/C-5704-2012; Felser, Claudia/A-5779-2009;
Rahn, Marein/R-7616-2016
OI Mo, Sung-Kwan/0000-0003-0711-8514; Zhang, Yi/0000-0003-1204-8717;
Felser, Claudia/0000-0002-8200-2063; Rahn, Marein/0000-0001-7403-8288
FU EPSRC (UK) [EP/K04074X/1]; DARPA (US) MESO project [N66001-11-1-4105];
Department of Energy, Office of Basic Energy Science [DE-AC02-05CH11231]
FX Y.L.C. acknowledges the support from the EPSRC (UK) grant EP/K04074X/1
and a DARPA (US) MESO project (no. N66001-11-1-4105). The Advanced Light
Source is operated by the Department of Energy, Office of Basic Energy
Science (contract DE-AC02-05CH11231).
NR 32
TC 158
Z9 159
U1 34
U2 170
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
EI 1745-2481
J9 NAT PHYS
JI Nat. Phys.
PD SEP
PY 2015
VL 11
IS 9
BP 728
EP +
DI 10.1038/NPHYS3425
PG 6
WC Physics, Multidisciplinary
SC Physics
GA CQ6IY
UT WOS:000360709200014
ER
PT J
AU Xu, SY
Alidoust, N
Belopolski, I
Yuan, ZJ
Bian, G
Chang, TR
Zheng, H
Strocov, VN
Sanchez, DS
Chang, GQ
Zhang, CL
Mou, DX
Wu, Y
Huang, LN
Lee, CC
Huang, SM
Wang, BK
Bansil, A
Jeng, HT
Neupert, T
Kaminski, A
Lin, H
Jia, S
Hasan, MZ
AF Xu, Su-Yang
Alidoust, Nasser
Belopolski, Ilya
Yuan, Zhujun
Bian, Guang
Chang, Tay-Rong
Zheng, Hao
Strocov, Vladimir N.
Sanchez, Daniel S.
Chang, Guoqing
Zhang, Chenglong
Mou, Daixiang
Wu, Yun
Huang, Lunan
Lee, Chi-Cheng
Huang, Shin-Ming
Wang, BaoKai
Bansil, Arun
Jeng, Horng-Tay
Neupert, Titus
Kaminski, Adam
Lin, Hsin
Jia, Shuang
Hasan, M. Zahid
TI Discovery of a Weyl fermion state with Fermi arcs in niobium arsenide
SO NATURE PHYSICS
LA English
DT Article
ID PHASE-TRANSITION; INSULATOR; SEMIMETAL; CRYSTAL; MATTER; NBAS
AB Three types of fermions play a fundamental role in our understanding of nature: Dirac, Majorana and Weyl. Whereas Dirac fermions have been known for decades, the latter two have not been observed as any fundamental particle in high-energy physics, and have emerged as a much-sought-out treasure in condensed matter physics. A Weyl semimetal is a novel crystal whose low-energy electronic excitations behave as Weyl fermions. It has received worldwide interest and is believed to open the next era of condensed matter physics after graphene and three-dimensional topological insulators. However, experimental research has been held back because Weyl semimetals are extremely rare in nature. Here, we present the experimental discovery of the Weyl semimetal state in an inversion-symmetry-breaking single-crystalline solid, niobium arsenide (NbAs). Utilizing the combination of soft X-ray and ultraviolet photoemission spectroscopy, we systematically study both the surface and bulk electronic structure of NbAs. We experimentally observe both the Weyl cones in the bulk and the Fermi arcs on the surface of this system. Our ARPES data, in agreement with our theoretical band structure calculations, identify the Weyl semimetal state in NbAs, which provides a real platform to test the potential of Weyltronics.
C1 [Xu, Su-Yang; Alidoust, Nasser; Belopolski, Ilya; Bian, Guang; Chang, Tay-Rong; Zheng, Hao; Sanchez, Daniel S.; Hasan, M. Zahid] Princeton Univ, Dept Phys, Lab Topol Quantum Matter & Spect B7, Princeton, NJ 08544 USA.
[Xu, Su-Yang; Alidoust, Nasser; Belopolski, Ilya; Hasan, M. Zahid] Princeton Univ, Princeton Inst Sci & Technol Mat, Princeton Ctr Complex Mat, Princeton, NJ 08544 USA.
[Yuan, Zhujun; Zhang, Chenglong; Jia, Shuang] Peking Univ, Sch Phys, Int Ctr Quantum Mat, Beijing 100871, Peoples R China.
[Chang, Tay-Rong; Jeng, Horng-Tay] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan.
[Strocov, Vladimir N.] Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.
[Chang, Guoqing; Lee, Chi-Cheng; Huang, Shin-Ming; Wang, BaoKai; Lin, Hsin] Natl Univ Singapore, Ctr Adv Mat 2D, Singapore 117546, Singapore.
[Chang, Guoqing; Lee, Chi-Cheng; Huang, Shin-Ming; Wang, BaoKai; Lin, Hsin] Natl Univ Singapore, Graphene Res Ctr, Singapore 117546, Singapore.
[Chang, Guoqing; Lee, Chi-Cheng; Huang, Shin-Ming; Wang, BaoKai; Lin, Hsin] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore.
[Mou, Daixiang; Wu, Yun; Huang, Lunan; Kaminski, Adam] US DOE, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
[Mou, Daixiang; Wu, Yun; Huang, Lunan; Kaminski, Adam] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Wang, BaoKai; Bansil, Arun] Northeastern Univ, Dept Phys, Boston, MA 02115 USA.
[Jeng, Horng-Tay] Acad Sinica, Inst Phys, Taipei 11529, Taiwan.
[Neupert, Titus] Princeton Univ, Princeton Ctr Theoret Sci, Princeton, NJ 08544 USA.
[Jia, Shuang] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China.
RP Hasan, MZ (reprint author), Princeton Univ, Dept Phys, Lab Topol Quantum Matter & Spect B7, Princeton, NJ 08544 USA.
EM mzhasan@princeton.edu
RI zheng, hao/H-8636-2015; Bian, Guang/C-5182-2016; Lin, Hsin/F-9568-2012;
Chang, Tay-Rong/K-3943-2015; Neupert, Titus/K-8733-2012;
OI zheng, hao/0000-0002-6495-874X; Bian, Guang/0000-0001-7055-2319; Lin,
Hsin/0000-0002-4688-2315; Chang, Tay-Rong/0000-0003-1222-2527; Neupert,
Titus/0000-0003-0604-041X; chang, guoqing/0000-0003-1180-3127
FU Gordon and Betty Moore Foundations EPiQS Initiative [GBMF4547]; National
Research Foundation, Prime Minister's Office, Singapore under its NRF
fellowship (NRF) [NRF-NRFF2013-03]; National Basic Research Program of
China [2013CB921901, 2014CB239302]; National Science Council, Taiwan;
CEM, an NSF MRSEC [DMR-1420451]; US Department of Energy, Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering
[DE AC02 07CH11358]; US Department of Energy (DOE), Office of Science,
Basic Energy Sciences [DE-FG02-07ER46352]; NERSC Supercomputing Center
through DOE [DE-AC02-05CH11231]; [DE-FG-02-05ER46200]
FX Work at Princeton University and Princeton-led synchrotron-based ARPES
measurements were supported by the Gordon and Betty Moore Foundations
EPiQS Initiative through Grant GBMF4547 (M.Z.H.). First-principles band
structure calculations at National University of Singapore were
supported by the National Research Foundation, Prime Minister's Office,
Singapore under its NRF fellowship (NRF Award No. NRF-NRFF2013-03).
Single-crystal growth was supported by National Basic Research Program
of China (Grant Nos. 2013CB921901 and 2014CB239302) and by
DE-FG-02-05ER46200. T.-R.C. and H.-T.J. were supported by the National
Science Council, Taiwan. H.-T.J. also thanks National Center for
High-Performance Computing (NCHC), Computer and Information Network
Center National Taiwan University (CINC-NTU), and National Center for
Theoretical Sciences (NCTS), Taiwan, for technical support. L.H. is
supported by CEM, an NSF MRSEC, under grant DMR-1420451. Experiments at
the Ames Laboratory in the Iowa State University were supported by the
US Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering under Contract No. DE AC02 07CH11358.
The work at Northeastern University was supported by the US Department
of Energy (DOE), Office of Science, Basic Energy Sciences grant number
DE-FG02-07ER46352, and benefited from Northeastern University's Advanced
Scientific Computation Center (ASCC) and the NERSC Supercomputing Center
through DOE grant number DE-AC02-05CH11231. We gratefully thank S.-k.
Mo, J. Denlinger, A. V. Fedorov, M. Hashimoto, M. Hoesch and T. Kim for
their beamline assistance at the Advanced Light Source, the Stanford
Synchrotron Radiation Lightsource and the Diamond Light Source. We thank
D. Huse, I. Klebanov, A. Polyakov, P. Steinhardt, H. Verlinde and A.
Vishwanath for discussions. T.-R.C. and H.L. acknowledge visiting
scientist support from Princeton University. We also thank C.-H. Hsu for
technical assistance in the theoretical calculations.
NR 33
TC 182
Z9 182
U1 32
U2 140
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
EI 1745-2481
J9 NAT PHYS
JI Nat. Phys.
PD SEP
PY 2015
VL 11
IS 9
BP 748
EP +
DI 10.1038/NPHYS3437
PG 8
WC Physics, Multidisciplinary
SC Physics
GA CQ6IY
UT WOS:000360709200019
ER
PT J
AU Kearney, SP
Danehy, PM
AF Kearney, Sean P.
Danehy, Paul M.
TI Pressure measurements using hybrid femtosecond/picosecond rotational
coherent anti-Stokes Raman scattering
SO OPTICS LETTERS
LA English
DT Article
ID LASER-INDUCED FLUORESCENCE; GAS-PHASE THERMOMETRY; RAYLEIGH-SCATTERING;
CARS MEASUREMENTS; SPECTROSCOPY; TEMPERATURE; LINEWIDTHS; VELOCITY; SHOT
AB We investigate the feasibility of gas-phase pressure measurements using fs/ps rotational CARS. Femtosecond pump and Stokes pulses impulsively prepare a rotational Raman coherence, which is probed by a high-energy 5-ps pulse introduced at a time delay from the Raman preparation. These ultrafast laser pulses are shorter than collisional-dephasing time scales, enabling a new hybrid time- and frequency-domain detection scheme for pressure. Single-laser-shot rotational CARS spectra were recorded from N-2 contained in a room-temperature gas cell for pressures from 0.4 to 3 atm and probe delays ranging from 16 to 298 ps. Sensitivity of the accuracy and precision of the pressure data to probe delay was investigated. The technique exhibits superior precision and comparable accuracy to previous laser-diagnostic pressure measurements.
C1 [Kearney, Sean P.] Sandia Natl Labs, Engn Sci Ctr, Albuquerque, NM 87185 USA.
[Danehy, Paul M.] NASA Langley Res Ctr, Hampton, VA 23681 USA.
RP Kearney, SP (reprint author), Sandia Natl Labs, Engn Sci Ctr, POB 5800, Albuquerque, NM 87185 USA.
EM spkearn@sandia.gov
FU NASA Langley Research Center's Internal Research and Development (IRAD)
Program; U.S. Department of Energy (DOE) [DE-AC04-94AL85000]; Sandia
National Laboratories
FX NASA Langley Research Center's Internal Research and Development (IRAD)
Program; U.S. Department of Energy (DOE) (DE-AC04-94AL85000); Sandia
National Laboratories.
NR 17
TC 0
Z9 0
U1 2
U2 16
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 0146-9592
EI 1539-4794
J9 OPT LETT
JI Opt. Lett.
PD SEP 1
PY 2015
VL 40
IS 17
BP 4082
EP 4085
DI 10.1364/OL.40.004082
PG 4
WC Optics
SC Optics
GA CQ7UM
UT WOS:000360810200041
PM 26368717
ER
PT J
AU Voiniciuc, C
Schmidt, MHW
Berger, A
Yang, B
Ebert, B
Scheller, HV
North, HM
Usadel, B
Gunl, M
AF Voiniciuc, Catalin
Schmidt, Maximilian Heinrich-Wilhelm
Berger, Adeline
Yang, Bo
Ebert, Berit
Scheller, Henrik V.
North, Helen M.
Usadel, Bjoern
Guenl, Markus
TI MUCILAGE-RELATED10 Produces Galactoglucomannan That Maintains Pectin and
Cellulose Architecture in Arabidopsis Seed Mucilage
SO PLANT PHYSIOLOGY
LA English
DT Article
ID PLANT-CELL WALL; COAT EPIDERMAL-CELLS; LOCALIZED MULTIPROTEIN COMPLEXES;
SYNTHASE-LIKE GENES; MANNAN POLYSACCHARIDES; FUNCTIONAL GENOMICS;
ADHERENT MUCILAGE; FAMILY-MEMBERS; MARKER SET; IN-VITRO
AB Plants invest a lot of their resources into the production of an extracellular matrix built of polysaccharides. While the composition of the cell wall is relatively well characterized, the functions of the individual polymers and the enzymes that catalyze their biosynthesis remain poorly understood. We exploited the Arabidopsis (Arabidopsis thaliana) seed coat epidermis (SCE) to study cell wall synthesis. SCE cells produce mucilage, a specialized secondary wall that is rich in pectin, at a precise stage of development. A coexpression search for MUCILAGE-RELATED (MUCI) genes identified MUCI10 as a key determinant of mucilage properties. MUCI10 is closely related to a fenugreek (Trigonella foenumgraecum) enzyme that has in vitro galactomannan alpha-1,6-galactosyltransferase activity. Our detailed analysis of the muci10 mutants demonstrates that mucilage contains highly branched galactoglucomannan (GGM) rather than unbranched glucomannan. MUCI10 likely decorates glucomannan, synthesized by CELLULOSE SYNTHASE-LIKE A2, with galactose residues in vivo. The degree of galactosylation is essential for the synthesis of the GGM backbone, the structure of cellulose, mucilage density, as well as the adherence of pectin. We propose that GGM scaffolds control mucilage architecture along with cellulosic rays and show that Arabidopsis SCE cells represent an excellent model in which to study the synthesis and function of GGM. Arabidopsis natural varieties with defects similar to muci10 mutants may reveal additional genes involved in GGM synthesis. Since GGM is the most abundant hemicellulose in the secondary walls of gymnosperms, understanding its biosynthesis may facilitate improvements in the production of valuable commodities from softwoods.
C1 [Voiniciuc, Catalin; Schmidt, Maximilian Heinrich-Wilhelm; Usadel, Bjoern; Guenl, Markus] Forschungszentrum Julich, Inst Biosci & Geosci Plant Sci, D-52425 Julich, Germany.
[Voiniciuc, Catalin; Schmidt, Maximilian Heinrich-Wilhelm; Yang, Bo; Usadel, Bjoern] Rhein Westfal TH Aachen, BioEcon Sci Ctr, Inst Bot & Mol Genet, D-52056 Aachen, Germany.
[Berger, Adeline; North, Helen M.] ERL Ctr Natl Rech Sci 3559, Saclay Plant Sci, Inst Natl Rech Agron, F-78026 Versailles, France.
[Berger, Adeline; North, Helen M.] ERL Ctr Natl Rech Sci 3559, Saclay Plant Sci, AgroParisTech, Inst Jean Pierre Bourgin,Unite Mixte Rech 1318, F-78026 Versailles, France.
[Ebert, Berit; Scheller, Henrik V.] Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Berkeley, CA 94702 USA.
[Ebert, Berit; Scheller, Henrik V.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94702 USA.
[Scheller, Henrik V.] Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA 94720 USA.
RP Voiniciuc, C (reprint author), Forschungszentrum Julich, Inst Biosci & Geosci Plant Sci, D-52425 Julich, Germany.
EM c.voiniciuc@fz-juelich.de
RI Ebert, Berit/F-1856-2016; Usadel, Bjorn/E-1932-2011; Scheller,
Henrik/A-8106-2008;
OI Ebert, Berit/0000-0002-6914-5473; Scheller, Henrik/0000-0002-6702-3560;
Yang, Bo/0000-0003-4446-0415; Schmidt, Maximilian
Heinrich-Wilhelm/0000-0003-4576-6774; Voiniciuc,
Catalin/0000-0001-9105-014X
FU Natural Sciences and Engineering Research Council of Canada [PGS-D3];
Saclay Plant Sciences; Ministry of Innovation, Science, and Research of
North-Rhine Westphalia (NRW); NRW Strategieprojekt BioSC
[313/323-400-00213]; China Scholarship Council [201206760005]; U.S.
Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; Lawrence Berkeley National
Laboratory; U.S. Department of Energy
FX This work was supported by the Natural Sciences and Engineering Research
Council of Canada (PGS-D3 grant to C.V.); by Saclay Plant Sciences (a
travel grant to C.V.); by the Ministry of Innovation, Science, and
Research of North-Rhine Westphalia (NRW), within the framework of the
NRW Strategieprojekt BioSC (grant no. 313/323-400-00213 to M.H.-W.S. and
B.U.); by the China Scholarship Council (grant no. 201206760005 to
B.Y.); and by the U.S. Department of Energy, Office of Science, Office
of Biological and Environmental Research (through contract
DE-AC02-05CH11231 between the Lawrence Berkeley National Laboratory and
the U.S. Department of Energy to B.E. and H.V.S.).
NR 102
TC 19
Z9 19
U1 3
U2 23
PU AMER SOC PLANT BIOLOGISTS
PI ROCKVILLE
PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 USA
SN 0032-0889
EI 1532-2548
J9 PLANT PHYSIOL
JI Plant Physiol.
PD SEP
PY 2015
VL 169
IS 1
BP 403
EP +
DI 10.1104/pp.15.00851
PG 33
WC Plant Sciences
SC Plant Sciences
GA CQ9JM
UT WOS:000360930600033
PM 26220953
ER
PT J
AU Liu, Q
Chai, J
Moche, M
Guy, J
Lindqvist, Y
Shanklin, J
AF Liu, Qin
Chai, Jin
Moche, Martin
Guy, Jodie
Lindqvist, Ylva
Shanklin, John
TI Half-of-the-Sites Reactivity of the Castor Delta 9-18:0-Acyl Carrier
Protein Desaturase
SO PLANT PHYSIOLOGY
LA English
DT Article
ID ESCHERICHIA-COLI; ACP DESATURASE; FATTY-ACIDS; RIBONUCLEOTIDE REDUCTASE;
SUBSTRATE-SPECIFICITY; CRYSTAL-STRUCTURE; IN-VIVO; PLANTS; COMPONENT;
SEED
AB Fatty acid desaturases regulate the unsaturation status of cellular lipids. They comprise two distinct evolutionary lineages, a soluble class found in the plastids of higher plants and an integral membrane class found in plants, yeast (Saccharomyces cerevisiae), animals, and bacteria. Both classes exhibit a dimeric quaternary structure. Here, we test the functional significance of dimeric organization of the soluble castor Delta 9-18:0-acyl carrier protein desaturase, specifically, the hypothesis that the enzyme uses an alternating subunit half-of-the-sites reactivity mechanism whereby substrate binding to one subunit is coordinated with product release from the other subunit. Using a fluorescence resonance energy transfer assay, we demonstrated that dimers stably associate at concentrations typical of desaturase assays. An active site mutant T104K/S202E, designed to occlude the substrate binding cavity, was expressed, purified, and its properties validated by x-ray crystallography, size exclusion chromatography, and activity assay. Heterodimers comprising distinctly tagged wild-type and inactive mutant subunits were purified at 1:1 stoichiometry. Despite having only one-half the number of active sites, purified heterodimers exhibit equivalent activity to wild-type homodimers, consistent with half-of-the-sites reactivity. However, because multiple rounds of turnover were observed, we conclude that substrate binding to one subunit is not required to facilitate product release from the second subunit. The observed half-of-the-sites reactivity could potentially buffer desaturase activity from oxidative inactivation. That soluble desaturases require only one active subunit per dimer for full activity represents a mechanistic difference from the membrane class of desaturases such as the Delta 9-acyl-CoA, Ole1p, from yeast, which requires two catalytically competent subunits for activity.
C1 [Liu, Qin; Chai, Jin; Shanklin, John] Brookhaven Natl Lab, Biol Environm & Climate Sci, Upton, NY 11973 USA.
[Moche, Martin; Guy, Jodie; Lindqvist, Ylva] Karolinska Inst, Dept Med Biochem & Biophys, Mol Struct Biol, SE-17177 Stockholm, Sweden.
RP Shanklin, J (reprint author), Brookhaven Natl Lab, Biol Environm & Climate Sci, Upton, NY 11973 USA.
EM shanklin@bnl.gov
FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences of the U.S. Department of Energy [DOE KC0304000];
Swedish Research Council. Use of the National Synchrotron Light Source,
Brookhaven National Laboratory; U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences [DE-AC02-98CH10886]
FX This work was supported by the Division of Chemical Sciences,
Geosciences, and Biosciences, Office of Basic Energy Sciences of the
U.S. Department of Energy (grant no. DOE KC0304000) and the Swedish
Research Council. Use of the National Synchrotron Light Source,
Brookhaven National Laboratory, was supported by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences (contract no.
DE-AC02-98CH10886).
NR 47
TC 1
Z9 1
U1 3
U2 12
PU AMER SOC PLANT BIOLOGISTS
PI ROCKVILLE
PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 USA
SN 0032-0889
EI 1532-2548
J9 PLANT PHYSIOL
JI Plant Physiol.
PD SEP
PY 2015
VL 169
IS 1
BP 432
EP 441
DI 10.1104/pp.15.00622
PG 10
WC Plant Sciences
SC Plant Sciences
GA CQ9JM
UT WOS:000360930600035
PM 26224800
ER
PT J
AU Riddle, M
Macal, CM
Conzelmann, G
Combs, TE
Bauer, D
Fields, F
AF Riddle, Matthew
Macal, Charles M.
Conzelmann, Guenter
Combs, Todd E.
Bauer, Diana
Fields, Fletcher
TI Global critical materials markets: An agent-based modeling approach
SO RESOURCES POLICY
LA English
DT Article
DE Dysprosium; Neodymium; Rare earth; Critical material; Supply chain;
Agent-based model
ID RARE-EARTH-ELEMENTS; STRATEGIES
AB As part of efforts to position the United States as a leader in clean energy technology production, the U. S. Department of Energy (DOE) issued two Critical Materials Strategy reports, which assessed 16 materials on the basis of their importance to clean energy development and their supply risk (DOE, 2010, 2011). To understand the implications for clean energy of disruptions in supplies of critical materials, it is important to understand supply chain dynamics from mining to final product production. As a case study of critical material supply chains, we focus on the supply of two rare earth metals, neodymium (Nd) and dysprosium (Dy), for permanent magnets used in wind turbines, electric vehicles and other applications. We introduce GCMat, a dynamic agent-based model that includes interacting agents at five supply chain stages consisting of mining, metal refining, magnet production, final product production and demand. Agents throughout the supply chain make pricing, production and inventory management decisions. Deposit developers choose which deposits to develop based on market conditions and detailed data on 57 rare earth deposits. Wind turbine and electric vehicle producers choose from a set of possible production technologies that require different amounts of rare earths. We ran the model under a baseline scenario and four alternative scenarios with different demand and production technology inputs. Model results from 2010 to 2013 fit well with historical data. Projections through 2025 show a number of possible future price, demand, and supply trajectories. For each scenario, we highlight reasons for turning points under market conditions, for differences between Nd and Dy markets, and for differences between scenarios. Because GCMat can model causal dynamics and provide fine-grain representation of agents and their decisions, it provides explanations for turning points under market conditions that are not otherwise available from other modeling approaches. Our baseline projections show very different behaviors for Nd and Dy prices. Nd prices continue to drop and remain low even at the end of our simulation period as new capacity comes online and leads to a market in which production capacity outpaces demand. Dy price movements, on the other hand, change directions several times with several key turning points related to inventory behaviors of particular agents in the supply chain and asymmetric supply and demand trends. Scenario analyses show the impact of stronger demand growth for rare earths, and in particular finds that Nd price impacts are significantly delayed as compared to Dy. This is explained by the substantial excess production capacity for Nd in the early simulation years that keeps prices down. Scenarios that explore the impact of reducing the Dy content of magnets show the intricate interdependencies of these two markets as price trends for both rare earths reverse directions - reducing the Dy content of magnets reduces Dy demand, which drives down Dy prices and translates into lower magnet prices. This in turn raises the demand for magnets and therefore the demand for Nd and eventually drives up the Nd price. Published by Elsevier Ltd.
C1 [Riddle, Matthew; Conzelmann, Guenter] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Macal, Charles M.; Combs, Todd E.] Argonne Natl Lab, Global Secur Sci Div, Argonne, IL 60439 USA.
[Bauer, Diana; Fields, Fletcher] US DOE, Off Energy Policy & Syst Anal, Washington, DC 20585 USA.
RP Riddle, M (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 South Cass Ave, Argonne, IL 60439 USA.
EM meriddle@anl.gov
FU DOE [DE-AC02-06CH11357]
FX This work is supported by DOE under Contract number DE-AC02-06CH11357.
The data and views expressed in this paper are those of the authors and
are not endorsed by the U.S. Department of Energy or the United States
government. The sponsor has played an important role in study design,
collection of data, model development, results analysis and writing. We
would like to thank Matthew Hart and Jennifer Li for their work on data
compilation and analysis. We would like to thank several anonymous
stakeholders for their review and evaluation of model assumptions and
results and for their suggestions for improvements.
NR 35
TC 0
Z9 0
U1 4
U2 22
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0301-4207
EI 1873-7641
J9 RESOUR POLICY
JI Resour. Policy
PD SEP
PY 2015
VL 45
BP 307
EP 321
DI 10.1016/j.resourpol.2015.01.002
PG 15
WC Environmental Studies
SC Environmental Sciences & Ecology
GA CQ9QZ
UT WOS:000360951300031
ER
PT J
AU Ranaivoson, FM
Liu, Q
Martini, F
Bergami, F
von Daake, S
Li, S
Lee, D
Demeler, B
Hendrickson, WA
Comoletti, D
AF Ranaivoson, Fanomezana M.
Liu, Qun
Martini, Francesca
Bergami, Francesco
von Daake, Sventja
Li, Sheng
Lee, David
Demeler, Borries
Hendrickson, Wayne A.
Comoletti, Davide
TI Structural and Mechanistic Insights into the Latrophilin3-FLRT3 Complex
that Mediates Glutamatergic Synapse Development
SO STRUCTURE
LA English
DT Article
ID LEUCINE-RICH REPEAT; NATIVE BIOLOGICAL MACROMOLECULES; ANOMALOUS
DIFFRACTION; OLFACTOMEDIN DOMAIN; ALPHA-LATROTOXIN; BETA-PROPELLER;
CELL-ADHESION; PROTEINS; LPHN3; ADHD
AB Latrophilins (LPHNs) are adhesion-like G-protein-coupled receptors implicated in attention-deficit/hyperactivity disorder. Recently, LPHN3 was found to regulate excitatory synapse number through trans interactions with fibronectin leucine-rich repeat transmembrane 3 (FLRT3). By isothermal titration calorimetry, we determined that only the olfactomedin (OLF) domain of LPHN3 is necessary for FLRT3 association. By multi-crystal native single-wavelength anomalous diffraction phasing, we determined the crystal structure of the OLF domain. This structure is a five-bladed beta propeller with a Ca2+ ion bound in the central pore, which is capped by a mobile loop that allows the ion to exchange with the solvent. The crystal structure of the OLF/FLRT3 complex shows that LPHN3-OLF in the closed state binds with high affinity to the concave face of FLRT3-LRR with a combination of hydrophobic and charged residues. Our study provides structural and functional insights into the molecular mechanism underlying the contribution of LPHN3/FLRT3 to the development of glutamatergic synapses.
C1 [Ranaivoson, Fanomezana M.; Martini, Francesca; Bergami, Francesco; von Daake, Sventja; Comoletti, Davide] Rutgers State Univ, Robert Wood Johnson Med Sch, Child Hlth Inst New Jersey, New Brunswick, NJ 08901 USA.
[Ranaivoson, Fanomezana M.; Martini, Francesca; Bergami, Francesco; von Daake, Sventja; Comoletti, Davide] Rutgers State Univ, Robert Wood Johnson Med Sch, Dept Neurosci & Cell Biol, New Brunswick, NJ 08901 USA.
[Liu, Qun; Hendrickson, Wayne A.] Brookhaven Natl Lab, NSLSII, New York Struct Biol Ctr, Upton, NY 11973 USA.
[Li, Sheng; Lee, David] Univ Calif San Diego, Dept Med, La Jolla, CA 92093 USA.
[Demeler, Borries] Univ Texas Hlth Sci Ctr San Antonio, Dept Biochem, San Antonio, TX 78229 USA.
[Hendrickson, Wayne A.] Columbia Univ, Dept Biochem & Mol Biophys, New York, NY 10032 USA.
[Comoletti, Davide] Rutgers State Univ, Robert Wood Johnson Med Sch, Dept Pediat, New Brunswick, NJ 08901 USA.
RP Comoletti, D (reprint author), Rutgers State Univ, Robert Wood Johnson Med Sch, Child Hlth Inst New Jersey, 89 French St, New Brunswick, NJ 08901 USA.
EM comoleda@rwjms.rutgers.edu
FU NIH [MH092906, R01AI081982, R01GM020501, R01AI101436]; Robert Wood
Johnson Foundation [67038, GM107462]; National Science Foundation
[NSF-ACI-1339649, TG-MCB070039N]; New York Structural Biology Center at
the NSLS of Brookhaven National Laboratory, a DOE facility; NSF;
NIH/NIGMS via NSF [DMR-0936384, DMR-1332208]; NIGMS [GM-103485]
FX We thank Randy Abramowitz at National Synchrotron Light Source (NSLS)
beamlines X4A and X4C and the MacCHESS staff for their assistance in
data collection, and the superb support provided by Virgil Schirf
(CAUMA) and others of the staff at the Texas Advanced Computing Center
at the University of Texas at Austin. This work was supported by NIH
grants MH092906 and grant #67038 from the Robert Wood Johnson Foundation
to the Child Health Institute of New Jersey to D.C., GM107462 to W.A.H.,
and NIH R01AI081982, R01GM020501, R01AI101436 to S.L. The development of
the UltraScan software is supported by National Science Foundation grant
NSF-ACI-1339649 to B.D. Supercomputer time allocations were provided
through National Science Foundation grant TG-MCB070039N to B.D. X4
beamlines are supported by the New York Structural Biology Center at the
NSLS of Brookhaven National Laboratory, a DOE facility. CHESS is
supported by the NSF and NIH/NIGMS via NSF awards DMR-0936384 and
DMR-1332208, and the MacCHESS resource is supported by NIGMS award
GM-103485. We thank other members of the Comoletti Lab, and especially
Ian Hagee for his excellent technical support during protein expression
and purification.
NR 34
TC 3
Z9 4
U1 0
U2 6
PU CELL PRESS
PI CAMBRIDGE
PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA
SN 0969-2126
EI 1878-4186
J9 STRUCTURE
JI Structure
PD SEP 1
PY 2015
VL 23
IS 9
BP 1665
EP 1677
DI 10.1016/j.str.2015.06.022
PG 13
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA CR1VJ
UT WOS:000361113000012
PM 26235031
ER
PT J
AU Leibly, DJ
Arbing, MA
Pashkov, I
DeVore, N
Waldo, GS
Terwilliger, TC
Yeates, TO
AF Leibly, David J.
Arbing, Mark A.
Pashkov, Inna
DeVore, Natasha
Waldo, Geoffrey S.
Terwilliger, Thomas C.
Yeates, Todd O.
TI A Suite of Engineered GFP Molecules for Oligomeric Scaffolding
SO STRUCTURE
LA English
DT Article
ID GREEN FLUORESCENT PROTEIN; SPATIAL-ORGANIZATION; CRYSTALLIZATION;
RADIATION; ENTROPY; ENZYMES; CARRIER; DAMAGE
AB Applications ranging from synthetic biology to protein crystallization could be advanced by facile systems for connecting multiple proteins together in predefined spatial relationships. One approach to this goal is to engineer many distinct assembly forms of a single carrier protein or scaffold, to which other proteins of interest can then be readily attached. In this work we chose GFP as a scaffold and engineered many alternative oligomeric forms, driven by either specific disulfide bond formation or metal ion addition. We generated a wide range of spatial arrangements of GFP subunits from 11 different oligomeric variants, and determined their X-ray structures in a total of 33 distinct crystal forms. Some of the oligomeric GFP variants show geometric polymorphism depending on conditions, while others show considerable geometric rigidity. Potential future applications of this system are discussed.
C1 [Leibly, David J.; Yeates, Todd O.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA.
[Leibly, David J.; Arbing, Mark A.; Pashkov, Inna; Yeates, Todd O.] Univ Calif Los Angeles, UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA.
[DeVore, Natasha; Waldo, Geoffrey S.; Terwilliger, Thomas C.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
RP Yeates, TO (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA.
EM yeates@mbi.ucla.edu
RI Terwilliger, Thomas/K-4109-2012;
OI Terwilliger, Thomas/0000-0001-6384-0320; Yeates,
Todd/0000-0001-5709-9839
FU NIH [P01 GM098177, RR-15301(NCRR)]; Ruth L. Kirschstein National
Research Service Award [T32GM007185]; BER program of the DOE Office of
Science [DE-FC02-02ER63421]; DOE [DE-FC02-02ER63421]; NECAT beamlines of
the Advanced Photon Source; DOE, Office of Basic Energy Sciences
[DE-AC02-06CH11357]
FX This work was supported by NIH grant P01 GM098177 (to T.C.T.). D.J.L.
was supported by Ruth L. Kirschstein National Research Service Award
T32GM007185. The authors thank Michael Sawaya, Duilio Cascio, and
Michael Thompson for X-ray data collection at APS beamline 24-ID-C. We
thank Michael Collazo for help with the crystallization trials, and Dan
McNamara for help with structure determinations. The UCLA macromolecular
structure facilities are supported by the BER program of the DOE Office
of Science (award DE-FC02-02ER63421). We thank David Baker and Fabio
Parmeggiani for providing the designed protein as a target for
fusion-based crystallization experiments. We thank the staff of the
NECAT synchrotron beamline, including Jon Schuermann, Igor Kourinov, and
Malcolm Capel, and for helpful discussions. X-ray data collection was
supported by DOE Grant DE-FC02-02ER63421 and the NECAT beamlines of the
Advanced Photon Source, which are supported by NIH Grant RR-15301(NCRR).
Use of the Advanced Photon Source is supported by the DOE, Office of
Basic Energy Sciences, under Contract DE-AC02-06CH11357.
NR 43
TC 3
Z9 3
U1 2
U2 15
PU CELL PRESS
PI CAMBRIDGE
PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA
SN 0969-2126
EI 1878-4186
J9 STRUCTURE
JI Structure
PD SEP 1
PY 2015
VL 23
IS 9
BP 1754
EP 1768
DI 10.1016/j.str.2015.07.008
PG 15
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA CR1VJ
UT WOS:000361113000020
PM 26278175
ER
PT J
AU Fang, Y
Tai, YY
Deng, JK
Wu, C
Ding, XD
Sun, J
Salje, EKH
AF Fang, Yong
Tai, Yuan-Yen
Deng, Junkai
Wu, Chao
Ding, Xiangdong
Sun, Jun
Salje, Ekhard K. H.
TI Fe-vacancy ordering in superconducting K1-xFe2-ySe2: first-principles
calculations and Monte Carlo simulations
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article
DE Fe-vacancy ordered structure; DFT calculations; MC phase diagram;
K1-xFe2-ySe2
ID ELECTRONS; METALS; IRON
AB Fe vacancies in the 33 K superconductor K1-xFe2-ySe2 show ordering schemes that may be correlated with its superconducting properties. First-principles calculations and kinetic Monte Carlo simulations lead to a very simple model for vacancy ordering. Repulsive dipolar interactions between Fe vacancies show three ground states: a root 8 x root 10 rhombus-ordered structure for 12.5% vacancies, a root 5 x root 5 squared lattice for 20% vacancies, and a root 5 x root 5 rhombus-ordered structure for 25% vacancies. Other structural states are derived from these three ground states and may contain additional disordered spatial regions. The repulsive interaction between Fe vacancies arises from enhanced Fe-Se covalent bonds, which differs from the well-known attractive interaction of Fe vacancies in body-centered cubic Fe.
C1 [Fang, Yong; Deng, Junkai; Wu, Chao; Ding, Xiangdong; Sun, Jun; Salje, Ekhard K. H.] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
[Tai, Yuan-Yen] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Wu, Chao] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Peoples R China.
[Salje, Ekhard K. H.] Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England.
RP Fang, Y (reprint author), Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
EM dingxd@mail.xjtu.edu.cn; ekhard@esc.cam.ac.uk
RI Ding, Xiangdong/K-4971-2013; Deng, Junkai/E-2315-2012;
OI Ding, Xiangdong/0000-0002-1220-3097; wu, chao/0000-0002-8573-7196
FU Natural Science Foundation of China [51171140, 51231008, 51320105014,
51321003, 51471126]; Program of Introducing Talents of Discipline to
Universities in China project [B06025]; EPSRC [EP/K009702/1]; US DOE
through the LANL LDRD Program [DE-AC52-06NA25396]
FX We are grateful to the Natural Science Foundation of China (51171140,
51231008, 51320105014, 51321003, and 51471126), and the Program of
Introducing Talents of Discipline to Universities in China project
(B06025). EKHS is grateful to EPSRC for funding (Grant No.
EP/K009702/1). YYT was supported by the US DOE Contract No.
DE-AC52-06NA25396 through the LANL LDRD Program.
NR 27
TC 0
Z9 0
U1 4
U2 15
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD SEP
PY 2015
VL 28
IS 9
AR 095004
DI 10.1088/0953-2048/28/9/095004
PG 7
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA CQ9NU
UT WOS:000360942700011
ER
PT J
AU Kostin, R
Avrakhov, P
Kanareykin, A
Solyak, N
Yakovlev, V
Kazakov, S
Wu, GF
Khabiboulline, T
Rowe, A
Rathke, J
AF Kostin, Roman
Avrakhov, Pavel
Kanareykin, Alexei
Solyak, Nikolay
Yakovlev, Vyacheslav
Kazakov, Sergey
Wu, Genfa
Khabiboulline, Timergali
Rowe, Allan
Rathke, John
TI A high gradient test of a single-cell superconducting radio frequency
cavity with a feedback waveguide
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article
DE superconducting traveling wave cavity; superconductivity at radio
frequency; high gradient accelerating cavity; high transit time factor
cavity
AB The most severe problem of the international linear collider (ILC-type) is its high cost, resulting in part from the enormous length of the collider. This length is determined mainly by the achievable accelerating gradient in the RF system of the collider. In current technology, the maximum acceleration gradient in superconducting (SC) structures is determined mainly by the value of the surface RF magnetic field. In order to increase the gradient, a superconducting traveling wave accelerating (STWA) structure is suggested. Utilization of STWA structure with small phase advance per cell for future high energy linear colliders such as ILCs may provide an accelerating gradient 1.2-1.4 times larger [1] than a standing wave structure. However, STWA structure requires a feedback waveguide for power redirecting from the end of the structure back to the front end of accelerating structure. Recent tests of a 1.3 GHz model of a single-cell cavity with waveguide feedback demonstrated an accelerating gradient comparable to the gradient of a single-cell ILC-type cavity from the same manufacturer [2]. In the present paper, high gradient test results are presented.
C1 [Kostin, Roman; Avrakhov, Pavel; Kanareykin, Alexei] Euclid Techlabs LLC, Solon, OH 44139 USA.
[Solyak, Nikolay; Yakovlev, Vyacheslav; Kazakov, Sergey; Wu, Genfa; Khabiboulline, Timergali; Rowe, Allan] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Rathke, John] Adv Energy Syst, Medford, NY 11763 USA.
RP Kostin, R (reprint author), Euclid Techlabs LLC, Solon, OH 44139 USA.
EM r.kostin@euclidtechlabs.com
FU US Department of Energy SBIR Program
FX This work supported by the US Department of Energy SBIR Program.
NR 17
TC 1
Z9 1
U1 4
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD SEP
PY 2015
VL 28
IS 9
AR 095007
DI 10.1088/0953-2048/28/9/095007
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA CQ9NU
UT WOS:000360942700014
ER
PT J
AU Posada, CM
Ade, PAR
Ahmed, Z
Arnold, K
Austermann, JE
Bender, AN
Bleem, LE
Benson, BA
Byrum, K
Carlstrom, JE
Chang, CL
Cho, HM
Ciocys, ST
Cliche, JF
Crawford, TM
Cukierman, A
Czaplewski, D
Ding, J
Divan, R
de Haan, T
Dobbs, MA
Dutcher, D
Everett, W
Gilbert, A
Halverson, NW
Harrington, NL
Hattori, K
Henning, JW
Hilton, GC
Holzapfel, WL
Hubmayr, J
Irwin, KD
Jeong, O
Keisler, R
Kubik, D
Kuo, CL
Lee, AT
Leitch, EM
Lendinez, S
Meyer, SS
Miller, CS
Montgomery, J
Myers, M
Nadolski, A
Natoli, T
Nguyen, H
Novosad, V
Padin, S
Pan, Z
Pearson, J
Ruhl, JE
Saliwanchik, BR
Smecher, G
Sayre, JT
Shirokoff, E
Stan, L
Stark, AA
Sobrin, J
Story, K
Suzuki, A
Thompson, KL
Tucker, C
Vanderlinde, K
Vieira, JD
Wang, G
Whitehorn, N
Yefremenko, V
Yoon, KW
Ziegler, KE
AF Posada, C. M.
Ade, P. A. R.
Ahmed, Z.
Arnold, K.
Austermann, J. E.
Bender, A. N.
Bleem, L. E.
Benson, B. A.
Byrum, K.
Carlstrom, J. E.
Chang, C. L.
Cho, H. M.
Ciocys, S. T.
Cliche, J. F.
Crawford, T. M.
Cukierman, A.
Czaplewski, D.
Ding, J.
Divan, R.
de Haan, T.
Dobbs, M. A.
Dutcher, D.
Everett, W.
Gilbert, A.
Halverson, N. W.
Harrington, N. L.
Hattori, K.
Henning, J. W.
Hilton, G. C.
Holzapfel, W. L.
Hubmayr, J.
Irwin, K. D.
Jeong, O.
Keisler, R.
Kubik, D.
Kuo, C. L.
Lee, A. T.
Leitch, E. M.
Lendinez, S.
Meyer, S. S.
Miller, C. S.
Montgomery, J.
Myers, M.
Nadolski, A.
Natoli, T.
Nguyen, H.
Novosad, V.
Padin, S.
Pan, Z.
Pearson, J.
Ruhl, J. E.
Saliwanchik, B. R.
Smecher, G.
Sayre, J. T.
Shirokoff, E.
Stan, L.
Stark, A. A.
Sobrin, J.
Story, K.
Suzuki, A.
Thompson, K. L.
Tucker, C.
Vanderlinde, K.
Vieira, J. D.
Wang, G.
Whitehorn, N.
Yefremenko, V.
Yoon, K. W.
Ziegler, K. E.
TI Fabrication of large dual-polarized multichroic TES bolometer arrays for
CMB measurements with the SPT-3G camera
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article
DE bolometers; TES detectors; multichroic sensors; CMB; polarimetry;
microfabrication; low loss microstrip
ID ELECTROTHERMAL FEEDBACK
AB This work presents the procedures used at Argonne National Laboratory to fabricate large arrays of multichroic transition-edge sensor (TES) bolometers for cosmic microwave background (CMB) measurements. These detectors will be assembled into the focal plane for the SPT-3G camera, the third generation CMB camera to be installed in the South Pole Telescope. The complete SPT-3G camera will have approximately 2690 pixels, for a total of 16 140 TES bolometric detectors. Each pixel is comprised of a broad-band sinuous antenna coupled to a Nb microstrip line. In-line filters are used to define the different bands before the millimeter-wavelength signal is fed to the respective Ti/Au TES bolometers. There are six TES bolometer detectors per pixel, which allow for measurements of three band-passes (95, 150 and 220 GHz) and two polarizations. The steps involved in the monolithic fabrication of these detector arrays are presented here in detail. Patterns are defined using a combination of stepper and contact lithography. The misalignment between layers is kept below 200 nm. The overall fabrication involves a total of 16 processes, including reactive and magnetron sputtering, reactive ion etching, inductively coupled plasma etching and chemical etching.
C1 [Posada, C. M.; Ding, J.; Lendinez, S.; Novosad, V.; Pearson, J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Ade, P. A. R.; Tucker, C.] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3YB, S Glam, Wales.
[Ahmed, Z.; Irwin, K. D.; Keisler, R.; Kuo, C. L.; Thompson, K. L.; Yoon, K. W.] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Stanford, CA 94305 USA.
[Ahmed, Z.; Irwin, K. D.; Keisler, R.; Kuo, C. L.; Thompson, K. L.; Yoon, K. W.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Ahmed, Z.; Cho, H. M.; Irwin, K. D.; Kuo, C. L.; Thompson, K. L.; Yoon, K. W.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Arnold, K.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
[Austermann, J. E.; Everett, W.; Halverson, N. W.; Sayre, J. T.] Univ Colorado, CASA, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA.
[Bender, A. N.; Bleem, L. E.; Byrum, K.; Carlstrom, J. E.; Chang, C. L.; Ciocys, S. T.; Wang, G.; Yefremenko, V.] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
[Bender, A. N.; Bleem, L. E.; Benson, B. A.; Carlstrom, J. E.; Chang, C. L.; Crawford, T. M.; Dutcher, D.; Henning, J. W.; Leitch, E. M.; Meyer, S. S.; Natoli, T.; Pan, Z.; Shirokoff, E.; Sobrin, J.; Story, K.; Ziegler, K. E.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA.
[Benson, B. A.; Kubik, D.; Nguyen, H.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Benson, B. A.; Carlstrom, J. E.; Chang, C. L.; Crawford, T. M.; Leitch, E. M.; Meyer, S. S.; Shirokoff, E.; Ziegler, K. E.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Carlstrom, J. E.; Meyer, S. S.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Carlstrom, J. E.; Dutcher, D.; Meyer, S. S.; Natoli, T.; Pan, Z.; Sobrin, J.; Story, K.; Ziegler, K. E.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
[Cliche, J. F.; de Haan, T.; Dobbs, M. A.; Gilbert, A.; Montgomery, J.] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada.
[Cukierman, A.; Harrington, N. L.; Holzapfel, W. L.; Jeong, O.; Lee, A. T.; Myers, M.; Suzuki, A.; Whitehorn, N.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Czaplewski, D.; Divan, R.; Miller, C. S.; Stan, L.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Dobbs, M. A.] CIFAR Program Cosmol & Grav, Canadian Inst Adv Res, Toronto, ON M5G 1Z8, Canada.
[Halverson, N. W.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA.
[Hattori, K.] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.
[Austermann, J. E.; Hilton, G. C.; Hubmayr, J.] NIST Quantum Devices Grp, Boulder, CO 80305 USA.
[Lee, A. T.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA.
[Padin, S.] CALTECH, Pasadena, CA 91125 USA.
[Ruhl, J. E.; Saliwanchik, B. R.] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA.
[Smecher, G.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Stark, A. A.] Three Speed Log Inc, Vancouver, BC V6A 2J8, Canada.
[Vanderlinde, K.] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada.
[Vanderlinde, K.] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada.
[Nadolski, A.; Vieira, J. D.] Univ Illinois, Dept Astron, Urbana, IL 61801 USA.
[Vieira, J. D.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA.
RP Posada, CM (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI DING, Junjia/K-2277-2013; Novosad, V /J-4843-2015;
OI DING, Junjia/0000-0002-9917-9156; CRAWFORD, THOMAS/0000-0001-9000-5013;
Lendinez, Sergi/0000-0002-7360-1857; Tucker, Carole/0000-0002-1851-3918
FU Office of Science and the Office of Basic Energy Sciences of the US
Department of Energy [DE-AC02- 06CH11357]; National Science Foundation
(NSF) [ANT-0638937]; NSF Physics Frontiers Center [PHY-1125897]; Kavli
Foundation; Gordon and Betty Moore Foundation; NSF [AST-0956135,
AST-1402161]
FX This work was supported in part by the Office of Science and the Office
of Basic Energy Sciences of the US Department of Energy under Contract
DE-AC02- 06CH11357; by the National Science Foundation (NSF) under Grant
ANT-0638937; by the NSF Physics Frontiers Center under Grant
PHY-1125897; by The Kavli Foundation; by the Gordon and Betty Moore
Foundation; and by the NSF under Grants AST-0956135 and AST-1402161.
Technical support from the Nanofabrication Group at the Center for
Nanoscale Materials, Argonne National Laboratory, is gratefully
appreciated.
NR 31
TC 5
Z9 5
U1 4
U2 18
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD SEP
PY 2015
VL 28
IS 9
AR 094002
DI 10.1088/0953-2048/28/9/094002
PG 12
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA CQ9NU
UT WOS:000360942700007
ER
PT J
AU Tarantini, C
Lee, PJ
Craig, N
Ghosh, A
Larbalestier, DC
AF Tarantini, C.
Lee, P. J.
Craig, N.
Ghosh, A.
Larbalestier, D. C.
TI Examination of the trade-off between intrinsic and extrinsic properties
in the optimization of a modern internal tin Nb3Sn conductor (vol 27,
065013, 2014)
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Correction
C1 [Tarantini, C.; Lee, P. J.; Craig, N.; Larbalestier, D. C.] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
[Ghosh, A.] Brookhaven Natl Lab, Magnet Div, Upton, NY 11973 USA.
RP Tarantini, C (reprint author), Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
EM tarantini@asc.magnet.fsu.edu
RI Larbalestier, David/B-2277-2008
OI Larbalestier, David/0000-0001-7098-7208
NR 1
TC 0
Z9 0
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD SEP
PY 2015
VL 28
IS 9
AR 099501
DI 10.1088/0953-2048/28/9/099501
PG 1
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA CQ9NU
UT WOS:000360942700026
ER
PT J
AU Moya, ML
Cardona, M
Wheeler, E
AF Moya, M. L.
Cardona, M.
Wheeler, E.
TI Bioprinting Vascular Networks for Engineered Tissue Constructs
SO TISSUE ENGINEERING PART A
LA English
DT Meeting Abstract
CT 4th TERMIS World Congress
CY SEP 08-11, 2015
CL Boston, MA
SP TERMIS
C1 [Moya, M. L.; Wheeler, E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Cardona, M.] Univ Calif Davis, Davis, CA 95616 USA.
NR 0
TC 0
Z9 0
U1 3
U2 14
PU MARY ANN LIEBERT, INC
PI NEW ROCHELLE
PA 140 HUGUENOT STREET, 3RD FL, NEW ROCHELLE, NY 10801 USA
SN 1937-3341
EI 1937-335X
J9 TISSUE ENG PT A
JI Tissue Eng. Part A
PD SEP 1
PY 2015
VL 21
SU 1
BP S42
EP S42
PG 1
WC Cell & Tissue Engineering; Biotechnology & Applied Microbiology; Cell
Biology
SC Cell Biology; Biotechnology & Applied Microbiology
GA CP9HR
UT WOS:000360205200161
ER
PT J
AU Alahuhta, M
Taylor, LE
Brunecky, R
Sammond, DW
Michener, W
Adams, MWW
Himmel, ME
Bomble, YJ
Lunin, V
AF Alahuhta, Markus
Taylor, Larry E., II
Brunecky, Roman
Sammond, Deanne W.
Michener, William
Adams, Michael W. W.
Himmel, Michael E.
Bomble, Yannick J.
Lunin, Vladimir
TI The catalytic mechanism and unique low pH optimum of
Caldicellulosiruptor bescii family 3 pectate lyase
SO ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY
LA English
DT Article
DE lyase; PL3; catalytic mechanism; Caldicellulosiruptor; thermostable
ID MACROMOLECULAR CRYSTALLOGRAPHY; ERWINIA-CHRYSANTHEMI; BETA-ELIMINATION;
CARBON ACIDS; PROTON ABSTRACTION; CRYSTAL-STRUCTURE; ACTIVE-SITE;
REFINEMENT; PECTIN; RESOLUTION
AB The unique active site of the Caldicellulosiruptor bescii family 3 pectate lyase (PL3) enzyme has been thoroughly characterized using a series of point mutations, X-ray crystallography, pK(a) calculations and biochemical assays. The X-ray structures of seven PL3 active-site mutants, five of them in complex with intact trigalacturonic acid, were solved and characterized structurally, biochemically and computationally. The results confirmed that Lys108 is the catalytic base, but there is no clear candidate for the catalytic acid. However, the reaction mechanism can also be explained by an antiperiplanar trans-elimination reaction, in which Lys108 abstracts a proton from the C5 atom without the help of simultaneous proton donation by an acidic residue. An acidified water molecule completes the anti beta-elimination reaction by protonating the O4 atom of the substrate. Both the C5 hydrogen and C4 hydroxyl groups of the substrate must be orientated in axial configurations, as for galacturonic acid, for this to be possible. The wild-type C. bescii PL3 displays a pH optimum that is lower than that of Bacillus subtilis PL1 according to activity measurements, indicating that C. bescii PL3 has acquired a lower pH optimum by utilizing lysine instead of arginine as the catalytic base, as well as by lowering the pKa of the catalytic base in a unique active-site environment.
C1 [Alahuhta, Markus; Taylor, Larry E., II; Brunecky, Roman; Sammond, Deanne W.; Michener, William; Himmel, Michael E.; Bomble, Yannick J.; Lunin, Vladimir] Natl Renewable Energy Lab, BioSci Ctr, Golden, CO 80401 USA.
[Adams, Michael W. W.] Univ Georgia, Dept Biochem & Mol Biol, Athens, GA 30602 USA.
RP Lunin, V (reprint author), Natl Renewable Energy Lab, BioSci Ctr, 15013 Denver West Pkwy, Golden, CO 80401 USA.
EM vladimir.lunin@nrel.gov
FU US DOE Office of Science, Biological and Environmental Research Program,
Bioenergy Research Center (BioEnergy Science Center, BESC); US
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-76SF00515]; DOE Office of Biological and Environmental
Research; National Institutes of Health, National Institute of General
Medical Sciences [P41GM103393]
FX This work was funded by the US DOE Office of Science, Biological and
Environmental Research Program, Bioenergy Research Center (BioEnergy
Science Center, BESC) managed by Oak Ridge National Laboratory. Use of
the Stanford Synchrotron Radiation Lightsource, SLAC National
Accelerator Laboratory is supported by the US Department of Energy,
Office of Science, Office of Basic Energy Sciences under Contract No.
DE-AC02-76SF00515. The SSRL Structural Molecular Biology Program is
supported by the DOE Office of Biological and Environmental Research and
by the National Institutes of Health, National Institute of General
Medical Sciences (including P41GM103393). The contents of this
publication are solely the responsibility of the authors and do not
necessarily represent the official views of NIGMS or NIH.
NR 45
TC 0
Z9 0
U1 3
U2 15
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 2059-7983
J9 ACTA CRYSTALLOGR D
JI Acta Crystallogr. Sect. D-Struct. Biol.
PD SEP
PY 2015
VL 71
BP 1946
EP 1954
DI 10.1107/S1399004715013760
PN 9
PG 9
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA CQ5OH
UT WOS:000360654300016
PM 26327384
ER
PT J
AU Shabalin, I
Dauter, Z
Jaskolski, M
Minor, W
Wlodawer, A
AF Shabalin, Ivan
Dauter, Zbigniew
Jaskolski, Mariusz
Minor, Wladek
Wlodawer, Alexander
TI Crystallography and chemistry should always go together: a cautionary
tale of protein complexes with cisplatin and carboplatin
SO ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY
LA English
DT Article
DE cisplatin; carboplatin; crystal structure; error corrections; structural
databases; structure re-refinement; validation; data reprocessing;
reproducibility
ID X-RAY-DIFFRACTION; EGG-WHITE LYSOZYME; CRYSTAL-STRUCTURES;
ELECTRON-DENSITY; MACROMOLECULAR STRUCTURES; SUPEROXIDE-DISMUTASE;
STRUCTURE VALIDATION; CHEMICAL CONVERSION; DATA-BANK; BINDING
AB The anticancer activity of platinum-containing drugs such as cisplatin and carboplatin is considered to primarily arise from their interactions with nucleic acids; nevertheless, these drugs, or the products of their hydrolysis, also bind to proteins, potentially leading to the known side effects of the treatments. Here, over 40 crystal structures deposited in the Protein Data Bank (PDB) of cisplatin and carboplatin complexes of several proteins were analysed. Significant problems of either a crystallographic or a chemical nature were found in most of the presented atomic models and they could be traced to less or more serious deficiencies in the data-collection and refinement procedures. The re-evaluation of these data and models was possible thanks to their mandatory or voluntary deposition in publicly available databases, emphasizing the point that the availability of such data is critical for making structural science reproducible. Based on this analysis of a selected group of macromolecular structures, the importance of deposition of raw diffraction data is stressed and a procedure for depositing, tracking and using re-refined crystallographic models is suggested.
C1 [Shabalin, Ivan; Minor, Wladek] Univ Virginia, Dept Mol Physiol & Biol Phys, Charlottesville, VA 22908 USA.
[Dauter, Zbigniew] Argonne Natl Lab, NCI, Synchrotron Radiat Res Sect, MCL, Argonne, IL 60439 USA.
[Jaskolski, Mariusz] Adam Mickiewicz Univ, Fac Chem, Dept Crystallog, PL-60780 Poznan, Poland.
[Jaskolski, Mariusz] Polish Acad Sci, Inst Bioorgan Chem, Ctr Biocrystallog Res, Poznan, Poland.
[Wlodawer, Alexander] NCI, Prot Struct Sect, MCL, Frederick, MD 21702 USA.
RP Dauter, Z (reprint author), Argonne Natl Lab, NCI, Synchrotron Radiat Res Sect, MCL, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM dauter@anl.gov; wlodawer@nih.gov
RI Shabalin, Ivan/H-1902-2016;
OI Shabalin, Ivan/0000-0003-3955-9242; Minor, Wladek/0000-0001-7075-7090
FU Intramural Research Program of the National Cancer Institute, Center for
Cancer Research; National Science Center (Poland) [2013/10/M/NZ1/00251];
NIAID, NIH, Department of Health and Human Services [HHSN272200700058C];
NIGMS [GM094585, GM094662, GM093342]
FX We would like to thank Nicholas P. Farrell and Przemek Porebski for
valuable discussions and Joanna Raczynska for reading the manuscript.
This project was supported in part by the Intramural Research Program of
the National Cancer Institute, Center for Cancer Research. The
collaboration of MJ and ZD was supported in part by a grant
(2013/10/M/NZ1/00251) from the National Science Center (Poland). IS and
WM were supported by federal funds from the NIAID, NIH, Department of
Health and Human Services under Contract No. HHSN272200700058C and by
NIGMS grants GM094585, GM094662 and GM093342.
NR 63
TC 17
Z9 17
U1 2
U2 30
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 2059-7983
J9 ACTA CRYSTALLOGR D
JI Acta Crystallogr. Sect. D-Struct. Biol.
PD SEP
PY 2015
VL 71
BP 1965
EP 1979
DI 10.1107/S139900471500629X
PN 9
PG 15
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA CQ5OH
UT WOS:000360654300018
PM 26327386
ER
PT J
AU Serrano-Posada, H
Centeno-Leija, S
Rojas-Trejo, S
Stojanoff, V
Rodriguez-Sanoja, R
Rudino-Pinera, E
Sanchez, S
AF Serrano-Posada, Hugo
Centeno-Leija, Sara
Rojas-Trejo, Sonia
Stojanoff, Vivian
Rodriguez-Sanoja, Romina
Rudino-Pinera, Enrique
Sanchez, Sergio
TI Crystallization and X-ray diffraction analysis of a putative bacterial
class I labdane-related diterpene synthase
SO ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY COMMUNICATIONS
LA English
DT Article
DE diterpene synthase; genome mining; labdane-related diterpenoid;
Streptomyces
ID CYCLASES
AB Labdane-related diterpenoids are natural products with potential pharmaceutical applications that are rarely found in bacteria. Here, a putative class I labdane-related diterpene synthase (LrdC) identified by genome mining in a streptomycete was successfully crystallized using the microbatch method. Crystals of the LrdC enzyme were obtained in a holo form with its natural cofactor Mg2+ (LrdC-Mg2+) and in complex with inorganic pyrophosphate (PPi) (LrdC-Mg2+-PPi). Crystals of native LrdC-Mg2+ diffracted to 2.50 angstrom resolution and belonged to the trigonal space group P3(2)21, with unit-cell parameters a = b = 107.1, c = 89.2 angstrom. Crystals of the LrdC-Mg2+-PPi complex grown in the same conditions as the native enzyme with PEG 8000 diffracted to 2.36 angstrom resolution and also belonged to the trigonal space group P3(2)21. Crystals of the LrdC-Mg2+-PPi complex grown in a second crystallization condition with PEG 3350 diffracted to 2.57 angstrom resolution and belonged to the monoclinic space group P2(1), with unit-cell parameters a = 49.9, b = 104.1, c = 66.5 angstrom, beta = 111.4 degrees. The structure was determined by the single-wavelength anomalous dispersion (SAD) technique using the osmium signal from a potassium hexachloroosmate (IV) derivative.
C1 [Serrano-Posada, Hugo; Centeno-Leija, Sara; Rodriguez-Sanoja, Romina; Sanchez, Sergio] Univ Nacl Autonoma Mexico, Dept Biol Mol & Biotecnol, Inst Invest Biomed, Mexico City 04510, DF, Mexico.
[Rojas-Trejo, Sonia; Rudino-Pinera, Enrique] Univ Nacl Autonoma Mexico, Dept Med Mol & Bioproc, Inst Biotecnol, Cuernavaca 62210, Morelos, Mexico.
[Stojanoff, Vivian] Brookhaven Natl Lab, NSLS, Upton, NY 11973 USA.
RP Sanchez, S (reprint author), Univ Nacl Autonoma Mexico, Dept Biol Mol & Biotecnol, Inst Invest Biomed, Ciudad Univ, Mexico City 04510, DF, Mexico.
EM sersan@biomedicas.unam.mx
RI Rodriguez Sanoja, Romina/C-5333-2009;
OI Rodriguez Sanoja, Romina/0000-0002-2722-5432; Serrano-Posada,
Hugo/0000-0002-7901-475X
FU CONACyT; DGAPA-UNAM; CONACyT [CB-219686]; PAPIIT [IN201413]
FX HSP and SCL were supported by postdoctoral fellowships from CONACyT and
DGAPA-UNAM, respectively. SS acknowledges financial support from CONACyT
project CB-219686 and PAPIIT IN201413. We thank MSc Silvia Guzman-Trampe
for providing the draft genome sequence of Streptomyces sp. K155. We are
also grateful to the staff at NSLS beamline X25 and APS beamline 19BM
for data-collection facilities, in particular Dr Norma Duke. We also
thank Dr Andres Zarate-Romero, Dr Eugenio De la Mora and Francisco
Murphy Perez for assistance during data collection. We are indebted to
Dr Beatriz Ruiz-Villafan and Marco A. Ortiz for technical assistance and
strain preservation.
NR 19
TC 0
Z9 0
U1 2
U2 6
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 2053-230X
J9 ACTA CRYSTALLOGR F
JI Acta Crystallogr. F-Struct. Biol. Commun.
PD SEP
PY 2015
VL 71
BP 1194
EP 1199
DI 10.1107/S2053230X15014363
PN 9
PG 6
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA CQ5NS
UT WOS:000360652600014
PM 26323307
ER
PT J
AU Lee, JR
Cho, CM
Park, CY
Truong, CT
Shin, HJ
Jeong, H
Flynn, EB
AF Lee, Jung-Ryul
Cho, Chang Min
Park, Chan Yik
Chung Thanh Truong
Shin, Hye Jin
Jeong, Hyomi
Flynn, Eric B.
TI Spar disbond visualization in in-service composite UAV with ultrasonic
propagation imager
SO AEROSPACE SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Ultrasonic propagation imager; Composite wing aircraft; Adjacent waves
subtraction; Wavenumber domain filtering algorithm; Composite disbond
ID WAVE-PROPAGATION; IMAGING METHOD
AB Composite materials have been increasingly used for aircraft structures due to their major advantage of being lightweight compared to metallic materials. However, the drawback of composite materials is that they easily sustain disbond damages due to load and impacts during manufacture or service. An effective quality control management system for aircrafts is required for early detection and early response to such critical damages. This paper reports the application of the Ultrasonic Propagation Imager (UPI) for damage inspection of an in-service aircraft. The inspection task took place at a Korean air force base in May 2013 with the objective of determining the structural condition of the composite aircraft wing at various areas where disbond damages were suspected. The existence of many structural features such as multiple rivets and spars complicated the task since those additional structural features interfere with the laser ultrasonic waves. By developing a novel wavenumber domain filtering algorithm, we successfully detected the disbond damages on the aircraft wing. This result proved the feasibility of the UPI to serve as an effective structural health management system for real-world aircraft applications. (C) 2015 Elsevier Masson SAS. All rights reserved.
C1 [Lee, Jung-Ryul; Chung Thanh Truong] Korea Adv Inst Sci & Technol, Dept Aerosp Engn, Taejon 305701, South Korea.
[Lee, Jung-Ryul] X NDT Inc, Seoul, South Korea.
[Cho, Chang Min; Park, Chan Yik] Agcy Def Dev, Aeronaut Technol Directorate, Jeonju Si, Jeollabuk Do, South Korea.
[Shin, Hye Jin; Jeong, Hyomi] Chonbuk Natl Univ, LANL CBNU Engn Inst Korea, Jeonju Si, Jeollabuk Do, South Korea.
[Flynn, Eric B.] Los Alamos Natl Lab, Engn Inst, Los Alamos, NM 87545 USA.
RP Lee, JR (reprint author), Korea Adv Inst Sci & Technol, Dept Aerosp Engn, 291 Daehak Ro, Taejon 305701, South Korea.
EM leejrr@kaist.ac.kr
RI Lee, Jung-Ryul/B-3266-2015;
OI Flynn, Eric/0000-0003-0965-7052
FU Agency for Defense Development of the Korean government [UD130058JD];
National Research Foundation of Korea - Ministry of Science, ICT and
Future Planning [2011-0010489, 2011-0030065]
FX This research was supported by the research grant (UD130058JD) of the
Agency for Defense Development of the Korean government, Basic Science
Research Program (2011-0010489) and Leading Foreign Research Institute
Recruitment Program (2011-0030065), through the National Research
Foundation of Korea, funded by the Ministry of Science, ICT and Future
Planning.
NR 12
TC 5
Z9 5
U1 0
U2 5
PU ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
PI PARIS
PA 23 RUE LINOIS, 75724 PARIS, FRANCE
SN 1270-9638
EI 1626-3219
J9 AEROSP SCI TECHNOL
JI Aerosp. Sci. Technol.
PD SEP
PY 2015
VL 45
BP 180
EP 185
DI 10.1016/j.ast.2015.05.010
PG 6
WC Engineering, Aerospace
SC Engineering
GA CQ4TP
UT WOS:000360597800021
ER
PT J
AU Yao, JZ
Guo, HB
Chaiprasongsuk, M
Zhao, N
Chen, F
Yang, XH
Guo, H
AF Yao, Jianzhuang
Guo, Haobo
Chaiprasongsuk, Minta
Zhao, Nan
Chen, Feng
Yang, Xiaohan
Guo, Hong
TI Substrate-Assisted Catalysis in the Reaction Catalyzed by Salicylic Acid
Binding Protein 2 (SABP2), a Potential Mechanism of Substrate
Discrimination for Some Promiscuous Enzymes
SO BIOCHEMISTRY
LA English
DT Article
ID PLANT INNATE IMMUNITY; MOLECULAR-DYNAMICS SIMULATIONS; AB-INITIO QM/MM;
SERINE PROTEASES; OXYANION HOLE; STRUCTURAL BASIS; SCC-DFTB; ENERGY;
DENSITY; SPECIFICITY
AB Although one of an enzyme's hallmarks is the high specificity for their natural substrates, substrate promiscuity has been reported more frequently. It is known that promiscuous enzymes generally show different catalytic efficiencies to different substrates, but our understanding of the origin of such differences is still lacking. Here we report the results of quantum mechanical! molecular mechanical simulations and an experimental study of salicylic acid binding protein 2 (SABP2). SABP2 has promiscuous esterase activity toward a series of substrates but shows a high activity toward its natural substrate, methyl salicylate (MeSA). Our results demonstrate that this enzyme may use substrate-assisted catalysis involving the hydroxyl group from MeSA to enhance the activity and achieve substrate discrimination.
C1 [Yao, Jianzhuang; Guo, Haobo; Guo, Hong] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA.
[Yao, Jianzhuang; Guo, Haobo; Guo, Hong] TU ORNL, Ctr Biophys Mol, Oak Ridge, TN 37830 USA.
[Chaiprasongsuk, Minta; Zhao, Nan; Chen, Feng] Univ Tennessee, Dept Plant Sci, Knoxville, TN 37996 USA.
[Yang, Xiaohan] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
RP Guo, H (reprint author), Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA.
EM hguol@utk.edu
RI Yang, Xiaohan/A-6975-2011;
OI Yang, Xiaohan/0000-0001-5207-4210; Guo, Hao-Bo/0000-0003-1321-1758
FU National Science Foundation [0817940, ACI-1053575]; Department of Energy
Office of Biological and Environmental Research-Genome through BioEnergy
Science Center (BESC); UT-Battelle, LLC, for U.S. Department of Energy
[DE-AC05-00OR22725]
FX This work was supported in part by Grant 0817940 from the National
Science Foundation (H.G.) and by the Department of Energy Office of
Biological and Environmental Research-Genome to Life Program through the
BioEnergy Science Center (BESC) (to F.C.). Oak Ridge National Laboratory
is managed by UT-Battelle, LLC, for the U.S. Department of Energy (under
Contract DE-AC05-00OR22725). This work used the Extreme Science and
Engineering Discovery Environment (XSEDE), which is supported by
National Science Foundation Grant ACI-1053575.
NR 64
TC 2
Z9 2
U1 6
U2 22
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0006-2960
J9 BIOCHEMISTRY-US
JI Biochemistry
PD SEP 1
PY 2015
VL 54
IS 34
BP 5366
EP 5375
DI 10.1021/acs.biochem.5b00638
PG 10
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CQ7HK
UT WOS:000360773400014
PM 26244568
ER
PT J
AU Dale, L
Karali, N
Millstein, D
Carnall, M
Vicua, S
Borchers, N
Bustos, E
O'Hagan, J
Purkey, D
Heaps, C
Sieber, J
Collins, W
Sohn, M
AF Dale, Larry L.
Karali, Nihan
Millstein, Dev
Carnall, Mike
Vicua, Sebastian
Borchers, Nicolas
Bustos, Eduardo
O'Hagan, Joe
Purkey, David
Heaps, Charles
Sieber, Jack
Collins, William D.
Sohn, Michael D.
TI An integrated assessment of water-energy and climate change in
sacramento, california: how strong is the nexus?
SO CLIMATIC CHANGE
LA English
DT Article
ID PRIORITY-DRIVEN; DEMAND-DRIVEN; MODEL; SYSTEMS; WEAP21
AB This paper is among the first to report on the full integration of basin-scale models that include projections of the demand and supply of water and energy for residential, commercial, industrial, and agricultural sector users. We link two widely used regional planning models that allow one to study the impact of rising climate variability on water and electricity use in Sacramento, California. Historic data combined with the current energy and water system configuration was used to assess the implications of changes in temperature and precipitation. Climate simulations suggest that electricity imports to the region would increase during hot dry spells, when regional power production is most constrained. In particular, regional imports of electricity would increase over 35 % in hot dry years, assuming a 4 A degrees C increase in average temperature and a 25 % decrease in average precipitation.
C1 [Dale, Larry L.; Karali, Nihan; Millstein, Dev; Carnall, Mike; Sohn, Michael D.] Lawrence Berkeley Natl Lab, Energy Technol Area, Berkeley, CA 94720 USA.
[Vicua, Sebastian; Borchers, Nicolas; Bustos, Eduardo] Pontificia Univ Catolica Chile, Centro Interdisciplinario Cambio Global, Santiago, Chile.
Stockholm Environm Inst, Cambridge, MA USA.
[Purkey, David; Heaps, Charles; Sieber, Jack] Stockholm Environm Inst, Davis, CA USA.
[Collins, William D.] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Dale, L (reprint author), Lawrence Berkeley Natl Lab, Energy Technol Area, Berkeley, CA 94720 USA.
EM lldale@lbl.gov
RI Collins, William/J-3147-2014
OI Collins, William/0000-0002-4463-9848
FU California Energy Commission; Laboratory Directed Research and
Development (LDRD) - Berkeley Lab by Office of Science, of the U.S.
Department of Energy [DE-AC02-05CH11231]
FX This work was supported in parts by the California Energy Commission and
by Laboratory Directed Research and Development (LDRD) funding from
Berkeley Lab, provided by the Director, Office of Science, of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231. The authors
would further like to express their gratitude to Joe O'Hagan, Sacramento
Municipal Utility District, SEI, Water Forum, and the Regional Water
Authority for useful comments and discussions throughout the study.
NR 31
TC 5
Z9 5
U1 5
U2 36
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0165-0009
EI 1573-1480
J9 CLIMATIC CHANGE
JI Clim. Change
PD SEP
PY 2015
VL 132
IS 2
BP 223
EP 235
DI 10.1007/s10584-015-1370-x
PG 13
WC Environmental Sciences; Meteorology & Atmospheric Sciences
SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
GA CQ3YW
UT WOS:000360541800005
ER
PT J
AU Meeks, KA
Clark, BR
Cano, JE
Apblett, CA
Pantoya, ML
AF Meeks, Kelsey A.
Clark, Billy R.
Cano, Jesus E.
Apblett, Christopher A.
Pantoya, Michelle L.
TI Effects of rheological properties on reactivity of energetic thin films
SO COMBUSTION AND FLAME
LA English
DT Article
DE Reactive coatings; Energetic materials; Additive manufacturing; Flame
speeds; Heat of combustion; Colloids
ID NANOSCALE AL/MOO3 THERMITE; REACTION PROPAGATION; COMBUSTION BEHAVIOR;
COMPOSITES; DENSITY; SOLIDS; AL/CUO
AB Magnesium (Mg) and manganese dioxide (MnO2) powders were mixed with polyvinylidene fluoride (PVDF) binder and n-methyl pyrrolidone (NMP) solvent and blade cast onto stainless steel foil. The rheological properties of these mixtures were investigated to quantify the mixing condition. Parameters including wet film thickness, equivalence ratio and solids loading were varied. Flame speed and calorific output were investigated for each of these parameters. Results show energy propagation rates increased as a function of dry film thickness, although calorific output remained relatively constant. Stoichiometrically fuel rich compositions were self-quenching, demonstrating the necessity of available oxygen for reaction propagation. A 0.45 solids-liquid mixing ratio resulted in up to an order of magnitude higher energy propagation rate for both open and confined configurations. Rheometry measurements and physical characterizations of the films reveal that the solids loadings resulting in the most stable suspensions also produced the highest energy propagation. Changing solids loading affects the density of the film, which in turn affects energy propagation. Capillary drying forces at high liquid loadings result in higher porosity leading to reduced deposition density and thickness. Very high solids loading results in films with dilatant properties and poor mixing. These results show solids loading affects mixing and energy propagation and could impact slurry cast energetic materials as in additive manufacturing processes. (C) 2015 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Meeks, Kelsey A.; Clark, Billy R.; Cano, Jesus E.; Pantoya, Michelle L.] Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79409 USA.
[Meeks, Kelsey A.; Apblett, Christopher A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Pantoya, ML (reprint author), Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79409 USA.
EM michelle.pantoya@ttu.edu
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]; Army Research Office [W911NF-1110439]
FX Sandia National Laboratories (SNL) is a multi-program laboratory managed
and operated by Sandia Corporation, a wholly owned subsidiary of
Lockheed Martin Corporation, for the U.S. Department of Energy's
National Nuclear Security Administration under contract
DE-AC04-94AL85000. K. Meeks is grateful for the assistance of Ms.
Christine White, Mr. Pat Ball and Mr. Alex Tappan of SNL. The authors K.
Meeks and M. Pantoya are thankful for support from the Army Research
Office Award No. W911NF-1110439 and encouragement from our program
manager, Dr. Ralph Anthenien.
NR 34
TC 1
Z9 1
U1 4
U2 22
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
EI 1556-2921
J9 COMBUST FLAME
JI Combust. Flame
PD SEP
PY 2015
VL 162
IS 9
BP 3288
EP 3293
DI 10.1016/j.combustflame.2015.05.018
PG 6
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA CQ7JK
UT WOS:000360779100013
ER
PT J
AU Sankaran, R
Hawkes, ER
Yoo, CS
Chen, JH
AF Sankaran, Ramanan
Hawkes, Evatt R.
Yoo, Chun Sang
Chen, Jacqueline H.
TI Response of flame thickness and propagation speed under intense
turbulence in spatially developing lean premixed methane-air jet flames
SO COMBUSTION AND FLAME
LA English
DT Article
DE Turbulent combustion; Direct numerical simulation; Flame speed; Thin
reaction zones; Lean premixed; Natural gas
ID CHARACTERISTIC BOUNDARY-CONDITIONS; NUMERICAL-SIMULATION; BURNING
VELOCITY; FLOWS; CURVATURE; STRETCH; SCALE
AB Direct numerical simulations of three-dimensional spatially-developing turbulent Bunsen flames were performed at three different turbulence intensities. The simulations were performed using a reduced methane-air chemical mechanism which was specifically tailored for the lean premixed conditions simulated here. A planar-jet turbulent Bunsen flame configuration was used in which turbulent preheated methane-air mixture at 0.7 equivalence ratio issued through a central jet and was surrounded by a hot laminar coflow of burned products. The turbulence characteristics at the jet inflow were selected such that combustion occured in the thin reaction zones (TRZ) regime. At the lowest turbulence intensity, the conditions fall on the boundary between the TRZ regime and the corrugated flamelet regime, and progressively moved further into the TRZ regime by increasing the turbulent intensity. The data from the three simulations was analyzed to understand the effect of turbulent stirring on the flame structure and thickness. Statistical analysis of the data showed that the thermal preheat layer of the flame was thickened due to the action of turbulence, but the reaction zone was not significantly affected. A global and local analysis of the burning velocity of the flame was performed to compare the different flames. Detailed statistical averages of the flame speed were also obtained to study the spatial dependence of displacement speed and its correlation to strain rate and curvature. (C) 2015 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Sankaran, Ramanan] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Hawkes, Evatt R.] Univ New S Wales, Sydney, NSW 2052, Australia.
[Yoo, Chun Sang] Ulsan Natl Inst Sci & Technol, Ulsan 689798, South Korea.
[Chen, Jacqueline H.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Sankaran, R (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RI Yoo, Chun Sang/E-5900-2010; Sankaran, Ramanan/D-9254-2015; Hawkes,
Evatt/C-5307-2012
OI Yoo, Chun Sang/0000-0003-1094-4016; Sankaran,
Ramanan/0000-0002-5352-9915; Hawkes, Evatt/0000-0003-0539-7951
FU Office of Science of the U.S. Department of Energy [DE-AC05-000R22725];
Division of Chemical Sciences, Geosciences and Biosciences; Office of
Basic Energy Sciences (BES); U.S. Department of Energy (DOE); U.S. DOE;
BES; SciDAC Computational Chemistry program; U.S. DOE
[DE-AC04-94-AL85000]; National Research Foundation of Korea (NRF) -
Korea government (MSIP) [2015R1A2A2A01007378]
FX This research used resources of the Oak Ridge Leadership Computing
Facility at the Oak Ridge National Laboratory, which is supported by the
Office of Science of the U.S. Department of Energy under Contract No.
DE-AC05-000R22725. The work at SNL was supported by the Division of
Chemical Sciences, Geosciences and Biosciences, the Office of Basic
Energy Sciences (BES), the U.S. Department of Energy (DOE) and also by
the U.S. DOE, BES, SciDAC Computational Chemistry program. SNL is a
multiprogram laboratory operated by Sandia Corporation, a Lockheed
Martin Company, for the U.S. DOE under contract DE-AC04-94-AL85000. The
work at UNIST was supported by the National Research Foundation of Korea
(NRF) grant funded by the Korea government (MSIP) (No.
2015R1A2A2A01007378).
NR 33
TC 13
Z9 13
U1 0
U2 14
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
EI 1556-2921
J9 COMBUST FLAME
JI Combust. Flame
PD SEP
PY 2015
VL 162
IS 9
BP 3294
EP 3306
DI 10.1016/j.combustflame.2015.05.019
PG 13
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA CQ7JK
UT WOS:000360779100014
ER
PT J
AU Bhagatwala, A
Sankaran, R
Kokjohn, S
Chen, JH
AF Bhagatwala, Ankit
Sankaran, Ramanan
Kokjohn, Sage
Chen, Jacqueline H.
TI Numerical investigation of spontaneous flame propagation under RCCI
conditions
SO COMBUSTION AND FLAME
LA English
DT Article
DE RCCI; Thermal stratification; Reactivity stratification; Premixed flame;
Autoignition
ID IGNITION FRONT PROPAGATION; EXPLOSIVE MODE ANALYSIS; TEMPERATURE
INHOMOGENEITIES; CONSTANT VOLUME; HEPTANE FLAMES; AIR MIXTURE;
COMBUSTION; SIMULATION; AUTOIGNITION; DIAGNOSTICS
AB This paper presents results from one and two-dimensional direct numerical simulations under Reactivity Controlled Compression Ignition (RCCI) conditions of a primary reference fuel (PRF) mixture consisting of n-heptane and iso-octane. RCCI uses in-cylinder blending of two fuels with different autoignition characteristics to control combustion phasing and the rate of heat release. These simulations employ an improved model of compression heating through mass source/sink terms developed in a previous work by Bhagatwala et al. (2014), which incorporates feedback from the flow to follow a predetermined experimental pressure trace. Two-dimensional simulations explored parametric variations with respect to temperature stratification, pressure profiles and n-heptane concentration. Statistics derived from analysis of diffusion/reaction balances locally normal to the flame surface were used to elucidate combustion characteristics for the different cases. Both deflagration and spontaneous ignition fronts were observed to co-exist, however it was found that higher n-heptane concentration provided a greater degree of flame propagation, whereas lower n-heptane concentration (higher fraction of iso-octane) resulted in more spontaneous ignition fronts. A significant finding was that simulations initialized with a uniform initial temperature and a stratified n-heptane concentration field, resulted in a large fraction of combustion occurring through flame propagation. It was also found that the proportion of spontaneous ignition fronts increased at higher pressures due to shorter ignition delay when other factors were held constant. For the same pressure and fuel concentration, the contribution of flame propagation to the overall combustion was found to depend on the level of thermal stratification, with higher initial temperature gradients resulting in more deflagration and lower gradients generating more ignition fronts. Statistics of ignition delay are computed to assess the Zel'dovich (1980) theory for the mode of combustion propagation based on ignition delay gradients. (C) 2015 Published by Elsevier Inc. on behalf of The Combustion Institute.
C1 [Bhagatwala, Ankit; Chen, Jacqueline H.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94550 USA.
[Sankaran, Ramanan] Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37831 USA.
[Kokjohn, Sage] Univ Wisconsin, Dept Mech Engn, Madison, WI 53706 USA.
RP Bhagatwala, A (reprint author), Sandia Natl Labs, Combust Res Facil, Livermore, CA 94550 USA.
EM abhagat@sandia.gov
RI Sankaran, Ramanan/D-9254-2015
OI Sankaran, Ramanan/0000-0002-5352-9915
FU Combustion Energy Frontier Research Center (CEFRC), an Energy Frontier
Research Center - U.S. Department of Energy (DOE), Office of Science,
Office of Basic Energy Sciences (BES) [DE-SC0001198]; United States
Department of Energy [DE-AC04-94AL85000]; Department of Energy's
Advanced Leadership Computing Challenge (ALCC) at the National Energy
Research Scientific Computing Center (NERSC); INCITE award at the Oak
Ridge Leadership Computing Facility (OLCF) at the Oak Ridge National
Laboratories (ORNL); Office of Science of the U.S. Department of Energy
[DE-AC05-00OR22725]
FX This research is supported by the Combustion Energy Frontier Research
Center (CEFRC), an Energy Frontier Research Center funded by the U.S.
Department of Energy (DOE), Office of Science, Office of Basic Energy
Sciences (BES) under Award No. DE-SC0001198. Sandia is a multiprogram
laboratory operated by Sandia Corporation, a Lockheed Martin Company,
for the United States Department of Energy under contract
DE-AC04-94AL85000. Computer allocations were awarded by the Department
of Energy's Advanced Leadership Computing Challenge (ALCC) at the
National Energy Research Scientific Computing Center (NERSC) and the
INCITE award at the Oak Ridge Leadership Computing Facility (OLCF) at
the Oak Ridge National Laboratories (ORNL). This research used resources
of the Oak Ridge Leadership Computing Facility at ORNL, which is
supported by the Office of Science of the U.S. Department of Energy
under Contract No. DE-AC05-00OR22725.
NR 32
TC 7
Z9 7
U1 2
U2 13
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
EI 1556-2921
J9 COMBUST FLAME
JI Combust. Flame
PD SEP
PY 2015
VL 162
IS 9
BP 3412
EP 3426
DI 10.1016/j.combustflame.2015.06.005
PG 15
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA CQ7JK
UT WOS:000360779100024
ER
PT J
AU Xing, LL
Li, S
Wang, ZH
Yang, B
Klippenstein, SJ
Zhang, F
AF Xing, Lili
Li, Shuang
Wang, Zhaohui
Yang, Bin
Klippenstein, Stephen J.
Zhang, Feng
TI Global uncertainty analysis for RRKM/master equation based kinetic
predictions: A case study of ethanol decomposition
SO COMBUSTION AND FLAME
LA English
DT Article
DE Transition state theory; RRKM/master equation method; Uncertainty
analysis; Sensitivity analysis; Collisional energy transfer model
ID DIMENSIONAL MODEL REPRESENTATIONS; PRODUCT BRANCHING RATIOS;
UNIMOLECULAR REACTIONS; THERMAL-DECOMPOSITION; BIMOLECULAR REACTIONS;
AROMATIC-HYDROCARBONS; CHEMICAL-KINETICS; RATE COEFFICIENTS;
AB-INITIO/RRKM; SHOCK-TUBE
AB A precise understanding of the accuracy of reaction rate constants, whether determined experimentally or theoretically, is of considerable importance to kinetic modelers. While the uncertainties of experimentally measured rate constants are commonly provided, the "error bars" of computed (temperature- and pressure-dependent) rate constants are rarely evaluated rigorously. In this work, global uncertainty and sensitivity analysis is applied to the propagation of the uncertainties in the input parameters (e.g. barrier heights, frequencies and collisional energy transfer parameters et al.) to those in the rate constants computed by the RRKM/master equation method for the decomposition of ethanol. This case study provides a systematic exploration of the effect of temperature and pressure on the parametric uncertainties in RRKM/master equation calculations for a prototypical single-well multiple-channel dissociation. In the high pressure limit, the uncertainties in the theoretical predictions are controlled by the uncertainties in the input parameters involved in the transition state theory calculations, with the most important ones being those describing the energetics of the decomposition. At lower pressures, where fall-off is important, the uncertainties in the collisional energy transfer parameters play a significant role, particularly for the higher energy of the two channels. Remarkably, the competition between dissociation and collisional excitation leads to uncertainties of more than a factor of 100 in the predictions for the higher energy channel. These large uncertainties are related to the need for large-scale single-collision-induced transitions in energy in order to produce the higher energy products in the low pressure limit. The present study illustrates the value of detailed qualitative and quantitative studies of the uncertainties in theoretical kinetics predictions. (C) 2015 The Combustion Institute.. Published by Elsevier Inc. All rights reserved.
C1 [Xing, Lili; Li, Shuang; Wang, Zhaohui; Zhang, Feng] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China.
[Li, Shuang; Yang, Bin] Tsinghua Univ, Ctr Combust Energy, Beijing 100084, Peoples R China.
[Li, Shuang; Yang, Bin] Tsinghua Univ, Dept Thermal Engn, Beijing 100084, Peoples R China.
[Klippenstein, Stephen J.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Zhang, F (reprint author), Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China.
EM feng2011@ustc.edu.cn
RI Yang, Bin/A-7158-2008; Zhang, Feng/K-8505-2012; Xing, Lili/P-9953-2016;
OI Yang, Bin/0000-0001-7333-0017; Xing, Lili/0000-0003-2099-8472;
Klippenstein, Stephen/0000-0001-6297-9187
FU National Natural Science Foundation of China [51376170, U1332208]; U.S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences, and Biosciences
[DE-AC02-06CH11357]
FX This work is supported by National Natural Science Foundation of China,
in part under Grants 51376170 (F.Z., L.X., Z.W.) and U1332208 (B.Y.,
S.L.). This material is based in part on work at Argonne supported by
the U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences, and Biosciences
under Contract No. DE-AC02-06CH11357. We greatly appreciate the help
provided by Dr. Michael Pilling and Dr. Robin Shannon in using the
MESMER program and by Alison Tomlin in using the GUI-HDMR code. We also
appreciate Dr. Fei Qi for his kind help.
NR 59
TC 5
Z9 5
U1 8
U2 30
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
EI 1556-2921
J9 COMBUST FLAME
JI Combust. Flame
PD SEP
PY 2015
VL 162
IS 9
BP 3427
EP 3436
DI 10.1016/j.combustflame.2015.06.006
PG 10
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA CQ7JK
UT WOS:000360779100025
ER
PT J
AU Engstrom, E
Liu, HH
AF Engstrom, Emma
Liu, Hui-Hai
TI Modeling bacterial attenuation in on-site wastewater treatment systems
using the active region model and column-scale data
SO ENVIRONMENTAL EARTH SCIENCES
LA English
DT Article
DE Unsaturated zone; Bacterial transport; Preferential flow; Soil aquifer
treatment; Active region model
ID UNSATURATED POROUS-MEDIA; FRACTAL FLOW PATTERNS; ESCHERICHIA-COLI;
PREFERENTIAL FLOW; INTERMITTENT FILTRATION; STRUCTURED SOILS;
INFILTRATION PERCOLATION; COLLOID TRANSPORT; REMOVAL; RATES
AB Bacterial attenuation in porous media is often higher in columns than in the field. This study investigates whether this inconsistency could be attributed to finger flow, as assessed by the active region model (ARM). It develops a numerical model of flow and transport of the fecal indicator Escherichia coli in a wastewater infiltration basin from the literature. Modeling was based on the traditional, uniform flow approach (Richard's equation) as well as the ARM, representing finger flow. The uniform flow model resulted in flow rates that decreased rapidly with filter depth and an underestimation of the observed average relative effluent concentration by three orders of magnitude. With the ARM, the flow rates remained high throughout the filter, more consistently with observations, and the relative effluent concentration (0.018) was relatively accurate in reproducing the field result (0.025). Considering a range of removal rates derived from laboratory studies, the ARM consistently enabled more accurate and conservative assessments of the filter efficiency; thus, results indicated that the ARM provides a more relevant approach to bacterial transport in wastewater infiltration basins with sandy, unstructured soils.
C1 [Engstrom, Emma; Liu, Hui-Hai] Univ Calif Irvine, Lawrence Berkeley Natl Lab, Dept Hydrogeol, Irvine, CA USA.
RP Engstrom, E (reprint author), KTH Royal Inst Technol, Dept Sustainable Dev, Environm Sci & Engn SEED, S-10044 Stockholm, Sweden.
EM emmaeng@kth.se; hhliu@lbl.gov
NR 46
TC 0
Z9 0
U1 2
U2 7
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1866-6280
EI 1866-6299
J9 ENVIRON EARTH SCI
JI Environ. Earth Sci.
PD SEP
PY 2015
VL 74
IS 6
BP 4827
EP 4837
DI 10.1007/s12665-015-4483-7
PG 11
WC Environmental Sciences; Geosciences, Multidisciplinary; Water Resources
SC Environmental Sciences & Ecology; Geology; Water Resources
GA CQ3XM
UT WOS:000360537700018
ER
PT J
AU Zhu, L
Gong, HL
Dai, ZX
Xu, TB
Su, XS
AF Zhu, Lin
Gong, Huili
Dai, Zhenxue
Xu, Tingbao
Su, Xiaosi
TI An integrated assessment of the impact of precipitation and groundwater
on vegetation growth in arid and semiarid areas
SO ENVIRONMENTAL EARTH SCIENCES
LA English
DT Article
DE Spatial-temporal analysis; Groundwater; Vadose zone; Normalized
difference vegetation index; Numerical simulation; Plant water uptake;
Northern China
ID PRIMARY PRODUCTIVITY; RIPARIAN VEGETATION; COMPETITION MODEL; SATELLITE
DATA; GREAT-PLAINS; RIVER-BASIN; AVHRR-NDVI; WATER; RAINFALL; CHINA
AB Increased demand for water resources together with the influence of climate change has degraded water conditions which support vegetation in many parts of the world, especially in arid and semiarid areas. This study develops an integrated framework to assess the impact of precipitation and groundwater on vegetation growth in the Xiliao River Plain of northern China. The integrated framework systematically combines remote sensing technology with water flow modeling in the vadose zone and field data analysis. The vegetation growth is quantitatively evaluated with the remote sensing data by the normalized difference vegetation index (NDVI) and the simulated plant water uptake rates. The correlations among precipitation, groundwater depth and NDVI are investigated using Pearson correlation equations. The results provide insights for understanding interactions between precipitation and groundwater and their contributions to vegetation growth. Strong correlations between groundwater depth, plant water uptake and NDVI are found in parts of the study area during a ten-year drought period. The numerical modeling results indicate that there is an increased correlation between the groundwater depth and vegetation growth and that groundwater significantly contributes to sustaining effective soil moisture for vegetation growth during the long drought period. Therefore, a decreasing groundwater table might pose a great threat to the survival of vegetation during a long drought period.
C1 [Zhu, Lin; Gong, Huili] Capital Normal Univ, Coll Resources Environm & Tourism, Lab Cultivat Base Environm Proc & Digital Simulat, Beijing 100048, Peoples R China.
[Zhu, Lin; Dai, Zhenxue] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
[Xu, Tingbao] Australian Natl Univ, Fenner Sch Environm & Soc, Canberra, ACT 0200, Australia.
[Su, Xiaosi] Jilin Univ, Coll Environm & Resources, Changchun 130021, Peoples R China.
RP Su, XS (reprint author), Jilin Univ, Coll Environm & Resources, Changchun 130021, Peoples R China.
EM daiz@lanl.gov; suxiaosi@163.com
OI Dai, Zhenxue/0000-0002-0805-7621
FU National Natural Science [41201420, 41130744]; Beijing Nova Program
[Z111106054511097]; Beijing Young Talent Plan
FX This work was supported by National Natural Science (Nos. 41201420,
41130744), Beijing Nova Program (No. Z111106054511097) and Beijing Young
Talent Plan. The authors are thankful to Xinyin Cui of the Songliao
Water Resource Committee for providing the field data.
NR 50
TC 6
Z9 6
U1 2
U2 43
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1866-6280
EI 1866-6299
J9 ENVIRON EARTH SCI
JI Environ. Earth Sci.
PD SEP
PY 2015
VL 74
IS 6
BP 5009
EP 5021
DI 10.1007/s12665-015-4513-5
PG 13
WC Environmental Sciences; Geosciences, Multidisciplinary; Water Resources
SC Environmental Sciences & Ecology; Geology; Water Resources
GA CQ3XM
UT WOS:000360537700032
ER
PT J
AU Yang, YR
Liang, Y
Ghosh, A
Song, YY
Chen, H
Tang, M
AF Yang, Yurong
Liang, Yan
Ghosh, Amit
Song, Yingying
Chen, Hui
Tang, Ming
TI Assessment of arbuscular mycorrhizal fungi status and heavy metal
accumulation characteristics of tree species in a lead-zinc mine area:
potential applications for phytoremediation
SO ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
LA English
DT Article
DE Phytoremediation; Arbuscular mycorrhizal fungi; Heavy metal
accumulation; Tree species
ID CONTAMINATED SOILS; CALCAREOUS SOIL; INDUSTRIAL-AREA; ORGANIC-MATTER;
POLLUTED SOILS; SOUTH CHINA; PLANTS; PB; CD; CU
AB To select suitable tree species associated with arbuscular mycorrhizal fungi (AMF) for phytoremediation of heavy metal (HM) contaminated area, we measured the AMF status and heavy metal accumulation in plant tissues in a lead-zinc mine area, Northwest China. All 15 tree species were colonized by AM fungi in our investigation. The mycorrhizal frequency (F%), mycorrhizal colonization intensity (M%) and spore density (SP) reduced concomitantly with increasing Pb and Zn levels; however, positive correlations were found between arbuscule density (A%) and soil total/DTPA-extractable Pb concentrations. The average concentrations of Pb, Zn, Cu and Cd in plant samples were 168.21, 96.61, 41.06, and 0.79 mg/kg, respectively. Populus purdomii Rehd. accumulated the highest concentrations of Zn (432.08 mg/kg) and Cu (140.85 mg/kg) in its leaves. Considerable amount of Pb (712.37 mg/kg) and Cd (3.86 mg/kg) were concentrated in the roots of Robinia pseudoacacia Linn. and Populus simonii Carr., respectively. Plants developed different strategies to survive in HM stress environment: translocating more essential metals (Zn and Cu) into the aerial parts, while retaining more toxic heavy metals (Pb and Cd) in the roots to protect the above-ground parts from damage. According to the translocation factor (TF), bioconcentration factor (BCF), growth rate and biomass production, five tree species (Ailanthus altissima (Mill.) Swingle, Cotinus coggygria Scop., P. simonii, P. purdomii, and R. pseudoacacia) were considered to be the most suitable candidates for phytoextraction and/or phytostabilization purposes. Redundancy analysis (RDA) showed that the efficiency of phytoremediation was enhanced by AM symbioses, and soil pH, Pb, Zn, and Cd levels were the main factors influencing the HM accumulation characteristics of plants.
C1 [Yang, Yurong] Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Xianyang 712100, Shaanxi, Peoples R China.
[Yang, Yurong; Song, Yingying; Chen, Hui; Tang, Ming] Northwest A&F Univ, Coll Forestry, Xianyang 712100, Shaanxi, Peoples R China.
[Liang, Yan] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Phys Biosci Div, Berkeley, CA 94720 USA.
[Ghosh, Amit] Indian Inst Technol, PK Sinha Ctr Bioenergy, Sch Energy Sci & Engn, Kharagpur 721302, W Bengal, India.
RP Tang, M (reprint author), Northwest A&F Univ, Coll Forestry, Xianyang 712100, Shaanxi, Peoples R China.
EM tangm@nwsuaf.edu.cn
RI Liang, Yan/K-8199-2016
OI Liang, Yan/0000-0002-2144-1388
FU National Natural Science Foundation of China [31270639, 31170607,
31170567]; Program for Changjiang Scholars and Innovative Research Team
in University of China [IRT1035]
FX This research was financially supported by the National Natural Science
Foundation of China (31270639, 31170607, and 31170567), Program for
Changjiang Scholars and Innovative Research Team in University of China
(IRT1035). We thank Dr. Jingxia Li (College of Forestry, Northwest A&F
University, Yangling, Shaanxi 712100, China) for tree species
identification.
NR 93
TC 6
Z9 7
U1 9
U2 68
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 0944-1344
EI 1614-7499
J9 ENVIRON SCI POLLUT R
JI Environ. Sci. Pollut. Res.
PD SEP
PY 2015
VL 22
IS 17
BP 13179
EP 13193
DI 10.1007/s11356-015-4521-8
PG 15
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA CQ0TZ
UT WOS:000360311500039
PM 25929455
ER
PT J
AU Gittelman, RM
Hun, E
Ay, F
Madeoy, J
Pennacchio, L
Noble, WS
Hawkins, RD
Akey, JM
AF Gittelman, Rachel M.
Hun, Enna
Ay, Ferhat
Madeoy, Jennifer
Pennacchio, Len
Noble, William S.
Hawkins, R. David
Akey, Joshua M.
TI Comprehensive identification and analysis of human accelerated
regulatory DNA
SO GENOME RESEARCH
LA English
DT Article
ID TRANSCRIPTION FACTOR-BINDING; BIASED GENE CONVERSION; HUMAN GENOME; JUNK
DNA; EVOLUTIONARY CHANGES; MOLECULAR EVOLUTION; POSITIVE SELECTION;
NONCODING ELEMENTS; MAMMALIAN GENOMES; PROMOTER REGIONS
AB It has long been hypothesized that changes in gene regulation have played an important role in human evolution, but regulatory DNA has been much more difficult to study compared with protein-coding regions. Recent large-scale studies have created genome-scale catalogs of DNase I hypersensitive sites (DHSs), which demark potentially functional regulatory DNA. To better define regulatory DNA that has been subject to human-specific adaptive evolution, we performed comprehensive evolutionary and population genetics analyses on over 18 million DHSs discovered in 130 cell types. We identified 524 DHSs that are conserved in nonhuman primates but accelerated in the human lineage (haDHS), and estimate that 70% of substitutions in haDHSs are attributable to positive selection. Through extensive computational and experimental analyses, we demonstrate that haDHSs are often active in brain or neuronal cell types; play an important role in regulating the expression of developmentally important genes, including many transcription factors such as SOX6, POU3F2, and HOX genes; and identify striking examples of adaptive regulatory evolution that may have contributed to human-specific phenotypes. More generally, our results reveal new insights into conserved and adaptive regulatory DNA in humans and refine the set of genomic substrates that distinguish humans from their closest living primate relatives.
C1 [Gittelman, Rachel M.; Ay, Ferhat; Madeoy, Jennifer; Noble, William S.; Hawkins, R. David; Akey, Joshua M.] Univ Washington, Dept Genome Sci, Seattle, WA 98195 USA.
[Hun, Enna; Hawkins, R. David] Univ Washington, Div Med Genet, Seattle, WA 98195 USA.
[Pennacchio, Len] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Genom Div, Berkeley, CA 94701 USA.
RP Akey, JM (reprint author), Univ Washington, Dept Genome Sci, Seattle, WA 98195 USA.
EM akeyj@uw.edu
FU National Institute of General Medical Sciences (NIGMS) [GM110068];
National Science Foundation (NSF); National Human Genome Research
Institute (NHGRI) [R01HG003988, U54HG006997]; Department of Energy,
University of California [DE-AC02-05CH11231]; National Institutes of
Health (NIH) [U41HG007000]
FX This work was supported by the National Institute of General Medical
Sciences (NIGMS) grant GM110068 to J.M.A. R.M.G. was supported by a
National Science Foundation (NSF) graduate research fellowship. L.P. was
supported by National Human Genome Research Institute (NHGRI) grants
R01HG003988, and U54HG006997, and research was conducted at the E.O.
Lawrence Berkeley National Laboratory and performed under Department of
Energy Contract DE-AC02-05CH11231, University of California. W.S.N. was
supported by National Institutes of Health (NIH) grant U41HG007000.
NR 79
TC 10
Z9 10
U1 5
U2 18
PU COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
PI COLD SPRING HARBOR
PA 1 BUNGTOWN RD, COLD SPRING HARBOR, NY 11724 USA
SN 1088-9051
EI 1549-5469
J9 GENOME RES
JI Genome Res.
PD SEP
PY 2015
VL 25
IS 9
BP 1245
EP 1255
DI 10.1101/gr.192591.115
PG 11
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Genetics & Heredity
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Genetics & Heredity
GA CQ6NK
UT WOS:000360721000001
PM 26104583
ER
PT J
AU Kim, K
Lees, JM
AF Kim, Keehoon
Lees, Jonathan M.
TI Imaging volcanic infrasound sources using time reversal mirror algorithm
SO GEOPHYSICAL JOURNAL INTERNATIONAL
LA English
DT Article
DE Acoustic properties; Explosive volcanism; Volcano monitoring
ID ULTRASONIC FIELDS; TOPOGRAPHY; LOCATION; WAVES
AB We investigate the capability of Time Reversal Mirror (TRM) algorithm to image local acoustic sources (< 3.5 km) associated with complex, sustained volcanic eruptions. Accurate source localization for volcano infrasound (low-frequency acoustic waves) is often challenging due to pronounced volcanic topography and emergent arrivals of infrasound signals. While the accuracy of the conventional approaches (e.g. triangulation and semblance method) can be severely compromised by the complex volcanic settings, a TRM-based method may have the potential to properly image acoustic sources by the use of full waveform information and numerical modelling of the time-reversed wavefield. We apply the TRM algorithm to a pyroclastic-laden eruption (sustained for similar to 60 s) at Santiaguito Volcano, Guatemala, and show that an ordinary TRM operation can undergo significant reduction of its focusing power due to strong topographic propagation effects (e.g. reflection and diffraction). We propose a weighted imaging condition to compensate for complicated transmission loss of the time-reversed wavefield and demonstrate that the presented condition significantly improves the focusing quality of TRM in the presence of complex topography. The consequent TRM source images exhibit remarkable agreement with the visual observation of the eruption implying that the TRM method with a proper imaging condition can be used to localize and track acoustic sources associated with complex volcanic eruptions.
C1 [Kim, Keehoon; Lees, Jonathan M.] Univ N Carolina, Dept Geol Sci, Chapel Hill, NC USA.
RP Kim, K (reprint author), Lawrence Livermore Natl Lab, Atmosphere Earth & Energy Div, Livermore, CA 94550 USA.
EM kim84@llnl.gov
RI Kim, Keehoon/J-8279-2015
OI Kim, Keehoon/0000-0002-8635-0428
FU National Science Foundation [OIA1125185]
FX The authors thank INSIVUMEH (Guatemala), the Policia Nacional Civil de
Guatemala and the Instituto Guatemalteco de Turismo for their support
with field experiment. They are grateful to Carene Larmat and an
anonymous reviewer for their insightful comments. This research was
supported by the National Science Foundation Grant OIA1125185.
NR 35
TC 1
Z9 1
U1 1
U2 11
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0956-540X
EI 1365-246X
J9 GEOPHYS J INT
JI Geophys. J. Int.
PD SEP
PY 2015
VL 202
IS 3
BP 1663
EP 1676
DI 10.1093/gji/ggv237
PG 14
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CQ5EG
UT WOS:000360625500016
ER
PT J
AU Xin, SJ
Guo, QL
Sun, HB
Zhang, BM
Wang, JH
Chen, C
AF Xin, Shujun
Guo, Qinglai
Sun, Hongbin
Zhang, Boming
Wang, Jianhui
Chen, Chen
TI Cyber-Physical Modeling and Cyber-Contingency Assessment of Hierarchical
Control Systems
SO IEEE TRANSACTIONS ON SMART GRID
LA English
DT Article
DE Coordinated secondary-voltage control (CSVC); cyber-contingency
assessment (cyber-CA); cyber-physical system (CPS); hierarchical
control; power system
ID ENERGY-SYSTEMS; SECURITY; POWER; INFRASTRUCTURES; CHALLENGES
AB Online closed-loop hierarchical control systems (HCSs) are widely used in power-system operation. Like typical cyber-physical systems, the contingencies on the cyber side of an HCS may lead to inappropriate control commands, which will influence the physical power system. To evaluate the degree to which these inappropriate control commands influence the power system, we propose a cyber-physical equivalent model for HCSs. In this model, the HCS cyber network is abstracted to a directed graph consisting of data nodes and directed branches, and connectivity is described by using a node-branch incidence matrix. Using this strategy, we can describe the general information flow in an HCS using mathematical equations on the basis of which quantitative evaluation can be carried out. Furthermore, by using existing operation records, several kinds of typical cyber-contingencies are also modeled on the basis of which cyber-contingency assessment (cyber-CA) can be implemented by using a model-based approach. Considering the computational efficiency, such an approach keeps only key characteristics of the information flow rather than all features of the cyber network. In the case study, a coordinated secondary-voltage control system is studied as an example. The physical impacts of various cyber-contingencies on different data transmission and processing modules are compared. The results show that the model-based method provides improved efficiency compared with conventional simulation-based methods while maintaining accuracy.
C1 [Xin, Shujun; Guo, Qinglai; Sun, Hongbin; Zhang, Boming] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China.
[Wang, Jianhui; Chen, Chen] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60049 USA.
RP Xin, SJ (reprint author), Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China.
EM guoqinglai@tsinghua.edu.cn
FU National Key Basic Research Program of China (973 Program)
[2013CB228206]; National Science Fund for Distinguished Young Scholars
[51025725]; National Science Foundation of China [51321005]
FX This work was supported in part by the National Key Basic Research
Program of China (973 Program) under Grant 2013CB228206, in part by the
National Science Fund for Distinguished Young Scholars under Grant
51025725, and in part by the National Science Foundation of China under
Grant 51321005.
NR 29
TC 4
Z9 11
U1 8
U2 25
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1949-3053
EI 1949-3061
J9 IEEE T SMART GRID
JI IEEE Trans. Smart Grid
PD SEP
PY 2015
VL 6
IS 5
BP 2375
EP 2385
DI 10.1109/TSG.2014.2387381
PG 11
WC Engineering, Electrical & Electronic
SC Engineering
GA CQ2MW
UT WOS:000360435900020
ER
PT J
AU Kang, CQ
Zhou, TR
Chen, QX
Wang, JH
Sun, YL
Xia, Q
Yan, HG
AF Kang, Chongqing
Zhou, Tianrui
Chen, Qixin
Wang, Jianhui
Sun, Yanlong
Xia, Qing
Yan, Huaguang
TI Carbon Emission Flow From Generation to Demand: A Network-Based Model
SO IEEE TRANSACTIONS ON SMART GRID
LA English
DT Article
DE Carbon emission flow (CEF); demand response; low carbon electricity;
power networks; smart grid
ID POWER-SYSTEMS; ENERGY; LOADS; REAL
AB Clarification of the responsibility for carbon emission is fundamental in a carbon-constrained world. Existing statistical methods for carbon emission estimation usually attribute the emission responsibility to the generation side. However, a growing number of analysis across different sectors has pointed out that "consumers" rather than "producers" should be responsible for the CO2 emitted during the production. In power system, it is consumers that create the need for the combustion of fossil fuels and cause substantial carbon emission. In order to account carbon emission from the consumption-based perspective, carbon emission generated by various generators can be seen as a virtual attachment to the power flow and accumulated at the consumer's side. A novel analytical model for carbon emission flow (CEF) is proposed in this paper to quantify the carbon emission accompanying the power delivery process. The newly developed model of CEF can take into account the operational characteristics and the network features of power system, and elaborately characterize the relationship between power delivery and CEF. Some basic concepts of CEF in power networks are defined, and the fundamental characteristics and distribution principles of CEF are analyzed. Furthermore, a novel calculation model for CEF in power networks is proposed. A case study is conducted based on the IEEE 118 bus system to illustrate the calculation process and result of CEF in power system.
C1 [Kang, Chongqing; Chen, Qixin; Sun, Yanlong; Xia, Qing] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China.
[Zhou, Tianrui] Tsinghua Univ, Elect Planning & Design Inst, Beijing 100084, Peoples R China.
[Wang, Jianhui] Argonne Natl Lab, Argonne, IL 60439 USA.
[Yan, Huaguang] China Elect Power Res Inst, Beijing 100192, Peoples R China.
RP Kang, CQ (reprint author), Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China.
EM cqkang@tsinghua.edu.cn; qxchen@mail.tsinghua.edu.cn
RI Xia, Qing/A-6497-2016; Kang, Chongqing/A-6601-2016; Chen,
Qixin/A-7831-2016
OI Xia, Qing/0000-0001-5238-9300; Kang, Chongqing/0000-0003-2296-8250;
Chen, Qixin/0000-0002-3733-8641
FU National Natural Science Foundation of China [51325702, 51107059];
Scientific and Technical Project of State Grid
FX This work was supported in part by the National Natural Science
Foundation of China under Grant 51325702 and Grant 51107059, and in part
by the Scientific and Technical Project of State Grid.
NR 21
TC 1
Z9 2
U1 1
U2 5
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1949-3053
EI 1949-3061
J9 IEEE T SMART GRID
JI IEEE Trans. Smart Grid
PD SEP
PY 2015
VL 6
IS 5
BP 2386
EP 2394
DI 10.1109/TSG.2015.2388695
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA CQ2MW
UT WOS:000360435900021
ER
PT J
AU Kara, EC
Berges, M
Hug, G
AF Kara, Emre C.
Berges, Mario
Hug, Gabriela
TI Impact of Disturbances on Modeling of Thermostatically Controlled Loads
for Demand Response
SO IEEE TRANSACTIONS ON SMART GRID
LA English
DT Article
DE Energy management; energy storage; load modeling
ID SYSTEMS
AB Aggregations of thermostatically controlled loads (TCLs) have been shown to hold promise as demand response resources. However, the evaluation of these promises has relied on simulations of individual TCLs that make important assumptions about the thermal dynamics and properties of the loads, the end-user's interactions with individual TCLs and the disturbances to their operation. In this paper, we first propose a data-driven modeling strategy to simulate individual TCLs-specifically, household refrigeration units (HRUs)-that allows us to relax some of these assumptions and evaluate the validity of the approaches proposed to date. Specifically, we fit probability distributions to a year-long dataset of power measurements for HRUs and use these models to create more realistic simulations. We then derive the aggregate system equations using a bottomup approach that results in a more flexible [linear time invariant (LTI)] system. Finally, we quantify the plant-model mismatch and evaluate the proposed strategy with the more realistic simulation. Our results show that the effects of invalid assumptions about the disturbances and time-invariant properties of individual HRUs may be mitigated by a faster sampling of the state variables and that, when this is not possible, the proposed LTI system reduces the plant-model mismatch.
C1 [Kara, Emre C.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Berges, Mario] Carnegie Mellon Univ, Dept Civil & Environm Engn, Pittsburgh, PA 15213 USA.
[Hug, Gabriela] Carnegie Mellon Univ, Dept Elect & Comp Engn, Pittsburgh, PA 15213 USA.
RP Kara, EC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Grid Integrat Grp, Berkeley, CA 94720 USA.
EM eckara@lbl.gov
FU HP Laboratories Innovation Research Program [CW267299]; Pennsylvania
Infrastructure Technology Alliance
FX This work was supported in part by the HP Laboratories Innovation
Research Program under Grant CW267299, and in part by the Pennsylvania
Infrastructure Technology Alliance.
NR 24
TC 1
Z9 2
U1 1
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1949-3053
EI 1949-3061
J9 IEEE T SMART GRID
JI IEEE Trans. Smart Grid
PD SEP
PY 2015
VL 6
IS 5
BP 2560
EP 2568
DI 10.1109/TSG.2015.2406316
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA CQ2MW
UT WOS:000360435900040
ER
PT J
AU Dempsey, D
Kelkar, S
Davatzes, N
Hickman, S
Moos, D
AF Dempsey, David
Kelkar, Sharad
Davatzes, Nicholas
Hickman, Stephen
Moos, Daniel
TI Numerical modeling of injection, stress and permeability enhancement
during shear stimulation at the Desert Peak Enhanced Geothermal System
SO INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
LA English
DT Article
DE Desert Peak; Shear stimulation; Permeability enhancement; Thermal
stress; Modeling
ID FRACTURED POROUS ROCK; FLUID-FLOW; RESERVOIRS; DEFORMATION
AB Creation of an Enhanced Geothermal System relies on stimulation of fracture permeability through self-propping shear failure that creates a complex fracture network with high surface area for efficient heat transfer. In 2010, shear stimulation was carried out in well 27-15 at Desert Peak geothermal field, Nevada, by injecting cold water at pressure less than the minimum principal stress. An order-of-magnitude improvement in well injectivity was recorded. Here, we describe a numerical model that accounts for injection-induced stress changes and permeability enhancement during this stimulation. We use the coupled thermo-hydrological-mechanical simulator FEHM to (i) construct a wellbore model for non-steady bottom-hole temperature and pressure conditions during the injection, and (ii) apply these pressures and temperatures as a source term in a numerical model of the stimulation. A Mohr-Coulomb failure criterion and empirical fracture permeability is developed to describe permeability evolution of the fractured rock. The numerical model is calibrated using laboratory measurements of material properties on representative core samples and wellhead records of injection pressure and mass flow during the shear stimulation. The model captures both the absence of stimulation at low wellhead pressure (WHP <= 1.7 and <=-2.4 MPa) as well as the timing and magnitude of injectivity rise at medium WHP (3.1 MPa). Results indicate that thermoelastic effects near the wellbore and the associated non-local stresses further from the well combine to propagate a failure front away from the injection well. Elevated WHP promotes failure, increases the injection rate, and cools the wellbore; however, as the overpressure drops off with distance, thermal and non-local stresses play an ongoing role in promoting shear failure at increasing distance from the well. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Dempsey, David; Kelkar, Sharad] Los Alamos Natl Lab, Los Alamos, NM USA.
[Davatzes, Nicholas] Temple Univ, Philadelphia, PA 19122 USA.
[Hickman, Stephen] USGS, Menlo Pk, CA USA.
[Moos, Daniel] Baker Hughes Inc, Palo Alto, CA USA.
RP Dempsey, D (reprint author), Stanford Univ, Dept Geophys, Stanford, CA 94305 USA.
EM dempsey7@stanford.edu
RI Dempsey, David/B-9115-2015
OI Dempsey, David/0000-0003-2135-5129
FU US DOE Office of Geothermal Technologies [GT-1000036-12_Revision 1]; US
DOE through its CO sequestration RD program
FX The authors thank Ezra Zemach for valuable discussions pertaining to
Desert Peak field operations. Funding for this work was provided by US
DOE Office of Geothermal Technologies under Work Authorization no.
GT-1000036-12_Revision 1, The coupled flow and stress numerical
simulation capabilities in FEHM applied for this work were developed at
LANL under the Zero Emission Research & Technology (ZERT-II) project
funded by US DOE through its CO sequestration R&D program. The authors
thank Jonny Rutqvist and Robert Zimmerman for helpful comments that
improved the manuscript.
NR 50
TC 8
Z9 8
U1 6
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1365-1609
EI 1873-4545
J9 INT J ROCK MECH MIN
JI Int. J. Rock Mech. Min. Sci.
PD SEP
PY 2015
VL 78
BP 190
EP 206
DI 10.1016/j.ijrmms.2015.06.003
PG 17
WC Engineering, Geological; Mining & Mineral Processing
SC Engineering; Mining & Mineral Processing
GA CQ5IT
UT WOS:000360637800020
ER
PT J
AU Zheng, JT
Zheng, LG
Liu, HH
Ju, Y
AF Zheng, Jiangtao
Zheng, Liange
Liu, Hui-Hai
Ju, Yang
TI Relationships between permeability, porosity and effective stress for
low-permeability sedimentary rock
SO INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
LA English
DT Article
DE Stress-dependent relationship; Low-permeability sedimentary rock;
Two-part Hooke's model; Cubic law
ID FRACTURED POROUS ROCK; CONFINING PRESSURE; GAS-PERMEABILITY; FLUID-FLOW;
HYDRAULIC CONDUCTIVITY; TRANSPORT-PROPERTIES; WATER SATURATION; CUBIC
LAW; SANDSTONE; COMPACTION
AB As the effective stress increases, low-permeability rock undergoes fairly small porosity changes, but significant decrease in the permeability. Empirical relationships based on laboratory-measured data, typically exponential or power laws, have been proposed to describe the stress-permeability, stress-porosity, and permeability-porosity relationships. However, these approximations yield poor fitting in low effective stress ranges, or unreasonable prediction for certain effective stresses. In this study, we develop a series of theoretical models for the essential relationships among the porosity, permeability and the effective stresses for low-permeability sedimentary rock, based on the concept of Two-Part Hooke's Model (TPHM). The TPHM conceptualizes an intact rock into a soft part and a hard part, which comply with the natural-strain-based and engineering-strain-based Hooke's law, respectively. The derived relationships are validated by the experimental data from the literature. The comparisons show that the theoretical predictions agree well with the experimental results. The soft-part, comprising of only a small portion of the rock body, is responsible for the significant permeability reduction in low stress levels. The high stress-sensitivity of permeability is mainly attributed to the micro-crack (soft-part) closure in the intact rock. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Zheng, Jiangtao; Ju, Yang] China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100033, Peoples R China.
[Zheng, Jiangtao; Zheng, Liange; Ju, Yang] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Liu, Hui-Hai] Aramco Res Ctr, Houston, TX 77084 USA.
[Ju, Yang] China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Xuzhou 221006, Peoples R China.
RP Ju, Y (reprint author), China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100033, Peoples R China.
EM juy@cumtb.edu.cn
RI zheng, liange/B-9748-2011
OI zheng, liange/0000-0002-9376-2535
FU National Natural Science Fund for Distinguished Young Scholars of China
[51125017]; National Natural Science Foundation of China [51374213];
National Basic Research Program of China [2010CB226804, 2011CB201201];
Office of Nuclear Energy, of the U.S. Department of Energy
[DE-AC02-05CH11231]; Lawrence Berkeley National Laboratory, USA
FX We thank Jia-Jyun Dong from National Central University, Taiwan, for
kindly providing their data sets used in Section 5 of this paper. We are
also grateful to the financial support of the National Natural Science
Fund for Distinguished Young Scholars of China (Grant 51125017), the
National Natural Science Foundation of China (Grant 51374213), and the
National Basic Research Program of China (Grants 2010CB226804 and
2011CB201201) for the involvement of Yang Ju and Jiangtao Zheng in this
work. Funding for the involvement of Liange Zheng in this work was
provided by the Used Fuel Disposition Campaign, Office of Nuclear
Energy, of the U.S. Department of Energy under Contract Number
DE-AC02-05CH11231 with Lawrence Berkeley National Laboratory, USA,
Hui-Hai Liu also would like to thank the management of Aramco Research
Center (Houston) for its approval to publish this work.
NR 70
TC 4
Z9 5
U1 6
U2 42
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1365-1609
EI 1873-4545
J9 INT J ROCK MECH MIN
JI Int. J. Rock Mech. Min. Sci.
PD SEP
PY 2015
VL 78
BP 304
EP 318
DI 10.1016/j.ijrmms.2015.04.025
PG 15
WC Engineering, Geological; Mining & Mineral Processing
SC Engineering; Mining & Mineral Processing
GA CQ5IT
UT WOS:000360637800030
ER
PT J
AU Urquhart, A
Bauer, S
AF Urquhart, Alexander
Bauer, Stephen
TI Experimental determination of single-crystal halite thermal
conductivity, diffusivity and specific heat from-75 degrees C to 300
degrees C
SO INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
LA English
DT Article
ID TEMPERATURE; DEPENDENCE; ROCKS; AIR
C1 [Urquhart, Alexander; Bauer, Stephen] Sandia Natl Labs, Geomech Dept, Albuquerque, NM 87185 USA.
RP Bauer, S (reprint author), Sandia Natl Labs, Geomech Dept, POB 5800, Albuquerque, NM 87185 USA.
EM sjbauer@sandia.gov
OI Urquhart, Alexander/0000-0002-3953-0880
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX This work was completed in the Geomechanics Laboratory at Sandia
National Laboratories, Sandia National Laboratories is a multi-program
laboratory managed and operated by Sandia Corporation, a wholly owned
subsidiary of Lockheed Martin Corporation, for the U.S. Department of
Energy's National Nuclear Security Administration under Contract
DE-AC04-94AL85000.
NR 9
TC 4
Z9 4
U1 0
U2 1
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1365-1609
EI 1873-4545
J9 INT J ROCK MECH MIN
JI Int. J. Rock Mech. Min. Sci.
PD SEP
PY 2015
VL 78
BP 350
EP 352
DI 10.1016/j.ijrmms.2015.04.007
PG 3
WC Engineering, Geological; Mining & Mineral Processing
SC Engineering; Mining & Mineral Processing
GA CQ5IT
UT WOS:000360637800034
ER
PT J
AU Lo, J
Zheng, TY
Olson, DG
Ruppertsberger, N
Tripathi, SA
Guss, AM
Lynd, LR
AF Lo, Jonathan
Zheng, Tianyong
Olson, Daniel G.
Ruppertsberger, Natalie
Tripathi, Shital A.
Guss, Adam M.
Lynd, Lee R.
TI Deletion of nfnAB in Thermoanaerobacterium saccharolyticum and Its
Effect on Metabolism
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID CLOSTRIDIUM-THERMOCELLUM; ETHANOL-PRODUCTION; THERMOPHILIC BACTERIA;
ALCOHOL DEHYDROGENASES; BIFUNCTIONAL ALCOHOL; HYDROGENASE; YIELDS;
THERMOHYDROSULFURICUM; PURIFICATION; TOLERANCE
AB NfnAB catalyzes the reversible transfer of electrons from reduced ferredoxin and NADH to 2 NADP(+). The NfnAB complex has been hypothesized to be the main enzyme for ferredoxin oxidization in strains of Thermoanaerobacterium saccharolyticum engineered for increased ethanol production. NfnAB complex activity was detectable in crude cell extracts of T. saccharolyticum. Activity was also detected using activity staining of native PAGE gels. The nfnAB gene was deleted in different strains of T. saccharolyticum to determine its effect on end product formation. In wild-type T. saccharolyticum, deletion of nfnAB resulted in a 46% increase in H-2 formation but otherwise little change in other fermentation products. In two engineered strains with 80% theoretical ethanol yield, loss of nfnAB caused two different responses: in one strain, ethanol yield decreased to about 30% of the theoretical value, while another strain had no change in ethanol yield. Biochemical analysis of cell extracts showed that the Delta nfnAB strain with decreased ethanol yield had NADPH-linked alcohol dehydrogenase (ADH) activity, while the Delta nfnAB strain with unchanged ethanol yield had NADH-linked ADH activity. Deletion of nfnAB caused loss of NADPH-linked ferredoxin oxidoreductase activity in all cell extracts. Significant NADH-linked ferredoxin oxidoreductase activity was seen in all cell extracts, including those that had lost nfnAB. This suggests that there is an unidentified NADH: ferredoxin oxidoreductase (distinct from nfnAB) playing a role in ethanol formation. The NfnAB complex plays a key role in generating NADPH in a strain that had become reliant on NADPH-ADH activity.
IMPORTANCE
Thermophilic anaerobes that can convert biomass-derived sugars into ethanol have been investigated as candidates for biofuel formation. Many anaerobes have been genetically engineered to increase biofuel formation; however, key aspects of metabolism remain unknown and poorly understood. One example is the mechanism for ferredoxin oxidation and transfer of electrons to NAD(P)(+). The electron-bifurcating enzyme complex NfnAB is known to catalyze the reversible transfer of electrons from reduced ferredoxin and NADH to 2 NADP(+) and is thought to play key roles linking NAD(P)(H) metabolism with ferredoxin metabolism. We report the first deletion of nfnAB and demonstrate a role for NfnAB in metabolism and ethanol formation in Thermoanaerobacterium saccharolyticum and show that this may be an important feature among other thermophilic ethanologenic anaerobes.
C1 [Lo, Jonathan; Zheng, Tianyong; Lynd, Lee R.] Dartmouth Coll, Dept Biol Sci, Hanover, NH 03755 USA.
[Olson, Daniel G.; Ruppertsberger, Natalie; Lynd, Lee R.] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA.
[Tripathi, Shital A.] Total New Energies USA Inc, Emeryville, CA USA.
[Guss, Adam M.; Lynd, Lee R.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN USA.
[Lo, Jonathan; Zheng, Tianyong; Olson, Daniel G.; Ruppertsberger, Natalie; Guss, Adam M.; Lynd, Lee R.] BioEnergy Sci Ctr, Oak Ridge, TN USA.
RP Lynd, LR (reprint author), Dartmouth Coll, Dept Biol Sci, Hanover, NH 03755 USA.
EM Lee.R.Lynd@Dartmouth.edu
RI Guss, Adam/A-6204-2011
OI Guss, Adam/0000-0001-5823-5329
FU Office of Biological and Environmental Research in the DOE Office of
Science; Dartmouth College [4000115284, DE-AC05-00OR22725]; U.S.
Department of Energy
FX The BioEnergy Science Center is a U.S. Department of Energy (DOE)
Bioenergy Research Center supported by the Office of Biological and
Environmental Research in the DOE Office of Science. This paper was
authored by Dartmouth College under subcontract number 4000115284 and
contract number DE-AC05-00OR22725 with the U.S. Department of Energy.
NR 37
TC 7
Z9 7
U1 0
U2 7
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0021-9193
EI 1098-5530
J9 J BACTERIOL
JI J. Bacteriol.
PD SEP
PY 2015
VL 197
IS 18
BP 2920
EP 2929
DI 10.1128/JB.00347-15
PG 10
WC Microbiology
SC Microbiology
GA CQ6KH
UT WOS:000360712700003
PM 26124241
ER
PT J
AU Berg, LK
Riihimaki, LD
Qian, Y
Yan, HP
Huang, MY
AF Berg, Larry K.
Riihimaki, Laura D.
Qian, Yun
Yan, Huiping
Huang, Maoyi
TI The Low-Level Jet over the Southern Great Plains Determined from
Observations and Reanalyses and Its Impact on Moisture Transport
SO JOURNAL OF CLIMATE
LA English
DT Article
DE North America; Jets; Moisture; moisture budget; Water vapor; Reanalysis
data
ID CENTRAL UNITED-STATES; RADIANCE INTERFEROMETER AERI; ATMOSPHERIC
MOISTURE; WATER-VAPOR; REGIONAL REANALYSIS; NASA/DAO REANALYSES; SLOPING
TERRAIN; ENERGY BUDGETS; CLIMATOLOGY; PRECIPITATION
AB This study utilizes six commonly used reanalysis products, including the NCEP-Department of Energy Reanalysis 2 (NCEP2), NCEP Climate Forecast System Reanalysis (CFSR), ECMWF interim reanalysis (ERA-Interim), Japanese 25-year Reanalysis Project (JRA-25), Modern-Era Retrospective Analysis for Research and Applications (MERRA), and North American Regional Reanalysis (NARR), to evaluate features of the southern Great Plains low-level jet (LLJ) above the U.S. Department of Energy's Atmospheric Radiation Measurement Program (ARM) Climate Research Facility (ACRF) Southern Great Plains site. Two sets of radiosonde data are utilized: the six-week Midlatitude Continental Convective Clouds Experiment (MC3E) and a 10-yr period spanning 2001 through 2010. All six reanalyses are compared to MC3E data, while only the NARR, MERRA, and CFSR are compared to the 10-yr data. The reanalyses are able to represent most aspects of the composite LLJ profile, although there is a tendency for each reanalysis to overestimate the wind speed between the nose of the LLJ (at approximately 900 mb) and a pressure level of 700 mb. There are large discrepancies in the number of LLJs observed and derived from the reanalysis, particularly for strong LLJs, leading to an underestimate of the moisture transport associated with LLJs. When the 10-yr period is considered, the NARR and CFSR overestimate and MERRA underestimates the total moisture transport, but all three underestimate the transport associated with strong LLJs by factors of 1.4, 2.0, and 2.7 for CFSR, NARR, and MERRA, respectively. During MC3E there were differences in the patterns of moisture convergence and divergence, but the patterns are more consistent during the 10-yr period.
C1 [Berg, Larry K.; Riihimaki, Laura D.; Qian, Yun; Yan, Huiping; Huang, Maoyi] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Berg, LK (reprint author), Pacific NW Natl Lab, POB 999 MSIN K9-30, Richland, WA 99352 USA.
EM larryberg@pnnl.gov
RI qian, yun/E-1845-2011; Berg, Larry/A-7468-2016; Measurement,
Global/C-4698-2015;
OI Berg, Larry/0000-0002-3362-9492; Huang, Maoyi/0000-0001-9154-9485
FU Office of Science of the U.S. Department of Energy as part of the Earth
System Modeling program; DOE by Battelle Memorial Institute
[DE-AC05-76RLO1830]
FX This research was supported by the Office of Science of the U.S.
Department of Energy as part of the Earth System Modeling program and
used data from the ACRF. The Pacific Northwest National Laboratory is
operated for the DOE by Battelle Memorial Institute under Contract
DE-AC05-76RLO1830.
NR 53
TC 3
Z9 3
U1 4
U2 13
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0894-8755
EI 1520-0442
J9 J CLIMATE
JI J. Clim.
PD SEP
PY 2015
VL 28
IS 17
BP 6682
EP 6706
DI 10.1175/JCLI-D-14-00719.1
PG 25
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CQ4QW
UT WOS:000360590700006
ER
PT J
AU Lu, J
Chen, G
Leung, LR
Burrows, DA
Yang, Q
Sakaguchi, K
Hagos, S
AF Lu, Jian
Chen, Gang
Leung, L. Ruby
Burrows, D. Alex
Yang, Qing
Sakaguchi, Koichi
Hagos, Samson
TI Toward the Dynamical Convergence on the Jet Stream in Aquaplanet AGCMs
SO JOURNAL OF CLIMATE
LA English
DT Article
DE Advection; Mixing; Climate models; Diagnostics; General circulation
models; Numerical analysis; modeling
ID MULTIRESOLUTION MODELING APPROACH; CENTROIDAL VORONOI TESSELLATIONS;
COMMUNITY-ATMOSPHERIC-MODEL; SPECTRAL TRANSFORM MODEL; AMPLITUDE WAVE
ACTIVITY; PRECIPITATION EXTREMES; HORIZONTAL RESOLUTION; VERSION 3;
2-DIMENSIONAL TURBULENCE; EFFECTIVE DIFFUSIVITY
AB Systematic sensitivity of the jet position and intensity to horizontal model resolution is identified in several aquaplanet AGCMs, with the coarser resolution producing a more equatorward eddy-driven jet and a stronger upper-tropospheric jet intensity. As the resolution of the models increases to 50 km or finer, the jet position and intensity show signs of convergence within each model group. The mechanism for this convergence behavior is investigated using a hybrid Eulerian-Lagrangian finite-amplitude wave activity budget developed for the upper-tropospheric absolute vorticity. The results suggest that the poleward shift of the eddy-driven jet with higher resolution can be attributed to the smaller effective diffusivity of the model in the midlatitudes that allows more wave activity to survive the dissipation and to reach the subtropical critical latitude for wave breaking. The enhanced subtropical wave breaking and associated irreversible vorticity mixing act to maintain a more poleward peak of the vorticity gradient, and thus a more poleward jet. Being overdissipative, the coarse-resolution AGCMs misrepresent the nuanced nonlinear aspect of the midlatitude eddy-mean flow interaction, giving rise to the equatorward bias of the eddy-driven jet. In accordance with the asymptotic behavior of effective diffusivity of Batchelor turbulence in the large Peclet number limit, the upper-tropospheric effective diffusivity of the aquaplanet AGCMs displays signs of convergence in the midlatitude toward a value of approximately 10(7) m(2) s(-1) for the delta(2) diffusion. This provides a dynamical underpinning for the convergence of the jet stream observed in these AGCMs at high resolution.
C1 [Lu, Jian; Leung, L. Ruby; Yang, Qing; Sakaguchi, Koichi; Hagos, Samson] Pacific NW Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA.
[Chen, Gang; Burrows, D. Alex] Cornell Univ, Dept Earth & Atmospher Sci, Ithaca, NY USA.
RP Lu, J (reprint author), 902 Battelle Blvd,POB 999,MSIN K9-30, Richland, WA 99352 USA.
EM jian.lu@pnnl.gov
RI Chen, Gang/I-3305-2012
OI Chen, Gang/0000-0003-4934-1909
FU Office of Science of the U.S. Department of Energy as part of the
Regional and Global Climate Modeling Program; DOE by Battelle Memorial
Institute [DE-AC05-76RL01830]; NSF [ATM-1064079]; DOE [DE-FOA-0001036]
FX This manuscript benefited greatly from the very constructive comments of
Edwin Gerber during the review process. This study is supported by the
Office of Science of the U.S. Department of Energy as part of the
Regional and Global Climate Modeling Program. PNNL is operated for DOE
by Battelle Memorial Institute under Contract DE-AC05-76RL01830. GC and
DAB are supported by NSF Grant ATM-1064079 and DOE Grant DE-FOA-0001036.
NR 63
TC 6
Z9 6
U1 0
U2 6
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0894-8755
EI 1520-0442
J9 J CLIMATE
JI J. Clim.
PD SEP
PY 2015
VL 28
IS 17
BP 6763
EP 6782
DI 10.1175/JCLI-D-14-00761.1
PG 20
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CQ4QW
UT WOS:000360590700010
ER
PT J
AU Berlin, S
Carroll, EC
Newman, ZL
Okada, HO
Quinn, CM
Kallman, B
Rockwell, NC
Martin, SS
Lagarias, JC
Isacoff, EY
AF Berlin, Shai
Carroll, Elizabeth C.
Newman, Zachary L.
Okada, Hitomi O.
Quinn, Carson M.
Kallman, Benjamin
Rockwell, Nathan C.
Martin, Shelley S.
Lagarias, J. Clark
Isacoff, Ehud Y.
TI Photoactivatable genetically encoded calcium indicators for targeted
neuronal imaging
SO NATURE METHODS
LA English
DT Article
ID GREEN FLUORESCENT PROTEIN; CA2+ INDICATORS; DROSOPHILA BRAIN;
NERVOUS-SYSTEM; 2-PHOTON; EXCITATION; RECEPTOR; PROBE; OPTOGENETICS;
POTENTIALS
AB Circuit mapping requires knowledge of both structural and functional connectivity between cells. Although optical tools have been made to assess either the morphology and projections of neurons or their activity and functional connections, few probes integrate this information. We have generated a family of photoactivatable genetically encoded Ca2+ indicators that combines attributes of high-contrast photolabeling with high-sensitivity Ca2+ detection in a single-color protein sensor. We demonstrated in cultured neurons and in fruit fly and zebrafish larvae how single cells could be selected out of dense populations for visualization of morphology and high signal-to-noise measurements of activity, synaptic transmission and connectivity. Our design strategy is transferrable to other sensors based on circularly permutated GFP (cpGFP).
C1 [Berlin, Shai; Carroll, Elizabeth C.; Newman, Zachary L.; Okada, Hitomi O.; Quinn, Carson M.; Kallman, Benjamin; Isacoff, Ehud Y.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Berlin, Shai; Kallman, Benjamin; Isacoff, Ehud Y.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
[Rockwell, Nathan C.; Martin, Shelley S.; Lagarias, J. Clark] Univ Calif Davis, Dept Mol & Cellular Biol, Davis, CA 95616 USA.
[Isacoff, Ehud Y.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Isacoff, EY (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA.
EM ehud@berkeley.edu
RI Lagarias, J Clark/L-3139-2013;
OI Lagarias, J Clark/0000-0002-2093-0403; Berlin, shai/0000-0002-5153-4876
FU US National Science Foundation (NSF) Graduate Research Fellowship
[1106400]; NSF Major Research Instrumentation [1041078]; US National
Institute of General Medical Sciences [R01 GM068552]; US National
Institutes of Health Nanomedicine Development Center for the Optical
Control of Biological Function [2PN2EY01824]
FX We thank C. Stanley and Z. Fu for help with molecular biology, H. Aaron
for technical help with microscopy and C. Chang for fluorimeter use. We
also thank R.Y. Tsien (University of California, San Diego) for the
pRSETB vector, J.L. Bruses (University of Kansas) for the
generous gift of the mnx1-GAL4 construct and D. Friedmann for generating
the mnx1-GAL4 transgenic zebrafish line. The work was supported by US
National Science Foundation (NSF) Graduate Research Fellowship (1106400;
Z.L.N.), NSF Major Research Instrumentation (1041078; E.Y.I.), US
National Institute of General Medical Sciences (R01 GM068552; J.C.L.)
and US National Institutes of Health Nanomedicine Development Center for
the Optical Control of Biological Function (2PN2EY01824; E.Y.I.).
NR 54
TC 12
Z9 13
U1 7
U2 50
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1548-7091
EI 1548-7105
J9 NAT METHODS
JI Nat. Methods
PD SEP
PY 2015
VL 12
IS 9
BP 852
EP +
DI 10.1038/NMETH.3480
PG 10
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA CQ4PI
UT WOS:000360586700031
PM 26167640
ER
PT J
AU Jackson, RN
McCoy, AJ
Terwilliger, TC
Read, RJ
Wiedenheft, B
AF Jackson, Ryan N.
McCoy, Airlie J.
Terwilliger, Thomas C.
Read, Randy J.
Wiedenheft, Blake
TI X-ray structure determination using low-resolution electron microscopy
maps for molecular replacement
SO NATURE PROTOCOLS
LA English
DT Article
ID GUIDED SURVEILLANCE COMPLEX; CRYSTAL-STRUCTURE; 20S PROTEASOME;
CRYSTALLOGRAPHY; RNA; SOFTWARE; SYSTEM; MODEL
AB Structures of multisubunit macromolecular machines are primarily determined either by electron microscopy (EM) or by X-ray crystallography. In many cases, a structure for a complex can be obtained at low resolution (at a coarse level of detail) with EM and at a higher resolution (with finer detail) by X-ray crystallography. The integration of these two structural techniques is becoming increasingly important for the generation of atomic models of macromolecular complexes. A low-resolution EM image can be a powerful tool for obtaining the 'phase' information that is missing from an X-ray crystallography experiment; however, integration of EM and X-ray diffraction data has been technically challenging. Here we present a step-by-step protocol that explains how low-resolution EM maps can be placed in the crystallographic unit cell by molecular replacement, and how initial phases computed from the placed EM density are extended to high resolution by averaging maps over noncrystallographic symmetry. As the resolution gap between EM and X-ray crystallography continues to narrow, the use of EM maps to help with X-ray crystal structure determination, as described in this protocol, will become increasingly effective.
C1 [Jackson, Ryan N.; Wiedenheft, Blake] Montana State Univ, Dept Microbiol & Immunol, Bozeman, MT 59717 USA.
[McCoy, Airlie J.; Read, Randy J.] Univ Cambridge, Dept Haematol, Cambridge Inst Med Res, Cambridge, England.
[Terwilliger, Thomas C.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM USA.
RP Wiedenheft, B (reprint author), Montana State Univ, Dept Microbiol & Immunol, Bozeman, MT 59717 USA.
EM bwiedenheft@gmail.com
RI Read, Randy/L-1418-2013; Terwilliger, Thomas/K-4109-2012
OI Read, Randy/0000-0001-8273-0047; Terwilliger, Thomas/0000-0001-6384-0320
FU National Research Service Award postdoctoral fellowship from the US
National Institutes of Health (NIH) [F32 GM108436]; NIH [GM063210];
Principal Research Fellowship from the Wellcome Trust [082961/Z/07/Z];
National Science Foundation EPSCoR [EPS-110134]; M.J. Murdock Charitable
Trust; Montana State University Agricultural Experimental Station; NIH
IDeA Program COBRE, an R01 [GM110732, GM108888]
FX R.N.J. is supported by the National Research Service Award postdoctoral
fellowship (F32 GM108436) from the US National Institutes of Health
(NIH). R.J.R. and T.C.T. are supported by a grant (GM063210) from the
NIH. R.J.R. is supported by a Principal Research Fellowship from the
Wellcome Trust (grant no. 082961/Z/07/Z). Research in the Wiedenheft lab
is supported by the NIH IDeA Program COBRE (GM110732), an R01 to B.W.
(GM108888), the National Science Foundation EPSCoR (EPS-110134), the
M.J. Murdock Charitable Trust and the Montana State University
Agricultural Experimental Station.
NR 23
TC 4
Z9 4
U1 1
U2 9
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1754-2189
EI 1750-2799
J9 NAT PROTOC
JI Nat. Protoc.
PD SEP
PY 2015
VL 10
IS 9
BP 1275
EP 1284
DI 10.1038/nprot.2015.069
PG 10
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA CQ3HQ
UT WOS:000360493200001
PM 26226459
ER
PT J
AU Aberg, S
Carlsson, BG
Dossing, T
Moller, P
AF Aberg, S.
Carlsson, B. G.
Dossing, Th.
Moller, P.
TI The role of seniority-zero states in nuclear level densities
SO NUCLEAR PHYSICS A
LA English
DT Article
DE Level-density; Seniority-zero states; Spin-distribution; 0(+)-states
ID MODEL
AB At low excitation energies seniority-zero states dominate the level density of K = 0 bands in deformed even even nuclei, while they play no role at higher excitation energies. We describe the level densities in a Fermi-gas model as well as in a combinatorial level-density model and compare to detailed experimental data for some rare-earth nuclei. An explanation is provided for recent observations of an odd even staggering in the spin-distribution function as an effect of r-symmetry of wave functions for deformed nuclei. The structure of 0(+) states in deformed nuclei is discussed in the model and compared to data, stressing the role of the seniority quantum number. The Fermi-gas model is utilized to obtain an overview of the odd even staggering phenomenon in other mass regions. Odd even staggering in spherical nuclei, appearing in open-shell nuclei, is briefly discussed as caused by fermion exchange symmetry. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Aberg, S.; Carlsson, B. G.] Lund Univ, Math Phys, S-22100 Lund, Sweden.
[Dossing, Th.] Niels Bohr Inst, DK-2100 Copenhagen, Denmark.
[Moller, P.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Aberg, S (reprint author), Lund Univ, Math Phys, POB 118, S-22100 Lund, Sweden.
EM sven.aberg@matfys.lth.se
OI Moller, Peter/0000-0002-5848-3565
FU Swedish Natural Science Research Council (VR); National Nuclear Security
Administration of the U.S. Department of Energy at Los Alamos National
Laboratory [DE-AC52-06NA25396]
FX S.A. and B.G.C. thank the Swedish Natural Science Research Council (VR)
for support. P.M. thanks the division of Mathematical Physics, Lund
University, for hospitality during several visits. The work of P.M. was
carried out under the auspices of the National Nuclear Security
Administration of the U.S. Department of Energy at Los Alamos National
Laboratory under Contract No. DE-AC52-06NA25396.
NR 20
TC 1
Z9 1
U1 2
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0375-9474
EI 1873-1554
J9 NUCL PHYS A
JI Nucl. Phys. A
PD SEP
PY 2015
VL 941
BP 97
EP 120
DI 10.1016/j.nuclphysa.2015.05.009
PG 24
WC Physics, Nuclear
SC Physics
GA CQ3PO
UT WOS:000360515100008
ER
PT J
AU Biswas, KH
Hartman, KL
Yu, CH
Harrison, OJ
Song, H
Smith, AW
Huang, WYC
Lin, WC
Guo, ZH
Padmanabhan, A
Troyanovsky, SM
Dustin, ML
Shapiro, L
Honig, B
Zaidel-Bar, R
Groves, JT
AF Biswas, Kabir H.
Hartman, Kevin L.
Yu, Cheng-han
Harrison, Oliver J.
Song, Hang
Smith, Adam W.
Huang, William Y. C.
Lin, Wan-Chen
Guo, Zhenhuan
Padmanabhan, Anup
Troyanovsky, Sergey M.
Dustin, Michael L.
Shapiro, Lawrence
Honig, Barry
Zaidel-Bar, Ronen
Groves, Jay T.
TI E-cadherin junction formation involves an active kinetic nucleation
process
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE cadherin; diffusion; adhesion; nucleation; bilayer
ID SUPPORTED LIPID-BILAYERS; FLUORESCENCE CORRELATION SPECTROSCOPY;
SINGLE-PARTICLE TRACKING; LIVING CELL-MEMBRANE; IMMUNOLOGICAL SYNAPSE;
CLASSICAL CADHERINS; ADHERENS JUNCTIONS; LATERAL DIFFUSION;
PATTERN-FORMATION; EPITHELIAL-CELLS
AB Epithelial (E)-cadherin-mediated cell-cell junctions play important roles in the development and maintenance of tissue structure in multicellular organisms. E-cadherin adhesion is thus a key element of the cellular microenvironment that provides both mechanical and biochemical signaling inputs. Here, we report in vitro reconstitution of junction-like structures between native E-cadherin in living cells and the extracellular domain of E-cadherin (E-cad-ECD) in a supported membrane. Junction formation in this hybrid live cell-supported membrane configuration requires both active processes within the living cell and a supported membrane with low E-cad-ECD mobility. The hybrid junctions recruit a-catenin and exhibit remodeled cortical actin. Observations suggest that the initial stages of junction formation in this hybrid system depend on the trans but not the cis interactions between E-cadherin molecules, and proceed via a nucleation process in which protrusion and retraction of filopodia play a key role.
C1 [Biswas, Kabir H.; Hartman, Kevin L.; Yu, Cheng-han; Guo, Zhenhuan; Padmanabhan, Anup; Zaidel-Bar, Ronen; Groves, Jay T.] Natl Univ Singapore, Mechanobiol Inst, Singapore 117411, Singapore.
[Hartman, Kevin L.; Huang, William Y. C.; Groves, Jay T.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Harrison, Oliver J.; Song, Hang; Shapiro, Lawrence; Honig, Barry] Columbia Univ, Dept Biochem & Mol Biophys, New York, NY 10032 USA.
[Harrison, Oliver J.; Song, Hang; Honig, Barry] Columbia Univ, Howard Hughes Med Inst, New York, NY 10032 USA.
[Harrison, Oliver J.; Song, Hang; Shapiro, Lawrence; Honig, Barry] Columbia Univ, Ctr Computat Biol & Bioinformat, New York, NY 10032 USA.
[Smith, Adam W.; Lin, Wan-Chen; Groves, Jay T.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Troyanovsky, Sergey M.] Northwestern Univ, Feinberg Sch Med, Dept Dermatol, Chicago, IL 60611 USA.
[Dustin, Michael L.] Univ Oxford, Nuffield Dept Orthopaed Rheumatol & Musculoskelet, Kennedy Inst, Headington OX3 7FY, England.
[Zaidel-Bar, Ronen] Natl Univ Singapore, Dept Biomed Engn, Singapore 117411, Singapore.
[Groves, Jay T.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Groves, Jay T.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Honig, B (reprint author), Columbia Univ, Dept Biochem & Mol Biophys, 630 W 168th St, New York, NY 10032 USA.
EM bh6@cumc.columbia.edu; biezbr@nus.edu.sg; jtgroves@lbl.gov
RI Smith, Adam/B-7156-2016;
OI Smith, Adam/0000-0001-5216-9017; Zaidel-Bar, Ronen/0000-0002-1374-5007;
Biswas, Kabir/0000-0001-9194-4127; Padmanabhan,
Anup/0000-0001-6007-6929; Dustin, Michael/0000-0003-4983-6389
FU National Research Foundation (NRF) through Mechanobiology Institute,
National University of Singapore; NRF Competitive Research Programme
(CRP) Grant [CRP001-084]; National Research Foundation Singapore under
NRF fellowship [NRF-RF2009-RF001-074]; National Institutes of Health
[AI043542]; Principal Research fellowship - Wellcome Trust
[100262/Z/12/Z]; Kennedy Trust for Rheumatology; US National Institutes
of Health [R01 GM062270, AR44016]; National Science Foundation
[MCB-1412472]
FX This work was supported by National Research Foundation (NRF) through
the Mechanobiology Institute, National University of Singapore and NRF
Competitive Research Programme (CRP) Grant CRP001-084. R.Z.-B. was
supported by the National Research Foundation Singapore under its NRF
fellowship (NRF-RF2009-RF001-074). M.L.D. was supported by the National
Institutes of Health (AI043542) and a Principal Research fellowship
(100262/Z/12/Z) funded by the Wellcome Trust and the Kennedy Trust for
Rheumatology. This work was also supported in part by the US National
Institutes of Health (R01 GM062270 to L.S. and AR44016 to S.M.T.) and
the National Science Foundation (MCB-1412472 to B.H.).
NR 77
TC 18
Z9 18
U1 5
U2 26
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD SEP 1
PY 2015
VL 112
IS 35
BP 10932
EP 10937
DI 10.1073/pnas.1513775112
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CQ1TV
UT WOS:000360383200046
PM 26290581
ER
PT J
AU Bevelhimer, MS
Mcmanamay, RA
O'Connor, B
AF Bevelhimer, M. S.
Mcmanamay, R. A.
O'Connor, B.
TI Characterizing Sub-Daily Flow Regimes: Implications of Hydrologic
Resolution on Ecohydrology Studies
SO RIVER RESEARCH AND APPLICATIONS
LA English
DT Article
DE instream flow; hydropower; peaking; sub-daily
ID TROUT SALMO-TRUTTA; JUVENILE ATLANTIC SALMON; FISH ASSEMBLAGE;
UNITED-STATES; RIVER; STREAMS; HABITAT; HYDROPEAKING; VARIABILITY;
DISCHARGE
AB Natural variability in flow is a primary factor controlling geomorphic and ecological processes in riverine ecosystems. Within the hydropower industry, there is growing pressure from environmental groups and natural resource managers to change reservoir releases from daily peaking to run-of-river operations on the basis of the assumption that downstream biological communities will improve under a more natural flow regime. In this paper, we discuss the importance of assessing sub-daily flows for understanding the physical and ecological dynamics within river systems. We present a variety of metrics for characterizing sub-daily flow variation and use these metrics to evaluate general trends among streams affected by peaking hydroelectric projects, run-of-river projects and streams that are largely unaffected by flow altering activities. Univariate and multivariate techniques were used to assess similarity among different stream types on the basis of these sub-daily metrics. For comparison, similar analyses were performed using analogous metrics calculated with mean daily flow values. Our results confirm that sub-daily flow metrics reveal variation among and within streams that are not captured by daily flow statistics. Using sub-daily flow statistics, we were able to quantify the degree of difference between unaltered and peaking streams and the amount of similarity between unaltered and run-of-river streams. The sub-daily statistics were largely uncorrelated with daily statistics of similar scope. On short temporal scales, sub-daily statistics reveal the relatively constant nature of unaltered stream reaches and the highly variable nature of hydropower-affected streams, whereas daily statistics show just the opposite over longer temporal scales. Published 2014. This article is a U.S. Government work and is in the public domain in the USA.
C1 [Bevelhimer, M. S.; Mcmanamay, R. A.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37922 USA.
[O'Connor, B.] Argonne Natl Lab, Div Environm Sci, Argonne, IL 60439 USA.
RP Bevelhimer, MS (reprint author), Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37922 USA.
EM bevelhimerms@ornl.gov
FU US Department of Energy's (DOE) Office of Energy Efficiency and
Renewable Energy, Wind and Water Power Program; DOE [DE-AC05-00OR22725]
FX The authors have no conflicting interests or relationships, financial or
otherwise, that influenced our objectivity in the preparation of this
paper. S. Hetrick and C. DeRolph provided valuable comments on an
earlier version of this manuscript. This research was funded by the US
Department of Energy's (DOE) Office of Energy Efficiency and Renewable
Energy, Wind and Water Power Program. Oak Ridge National Laboratory is
managed by UT-Battelle, LLC, for the DOE under contract
DE-AC05-00OR22725.
NR 57
TC 17
Z9 18
U1 2
U2 27
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1535-1459
EI 1535-1467
J9 RIVER RES APPL
JI River Res. Appl.
PD SEP
PY 2015
VL 31
IS 7
BP 867
EP 879
DI 10.1002/rra.2781
PG 13
WC Environmental Sciences; Water Resources
SC Environmental Sciences & Ecology; Water Resources
GA CQ7FV
UT WOS:000360769300008
ER
PT J
AU Zhong, XC
Liu, ZW
Min, JX
Tian, HC
Karl, AG
Vitalij, KP
AF Zhong XiChun
Liu ZhongWu
Min JiXiong
Tian HuaCun
Karl, Gschneidner Jr A.
Vitalij, Pecharsky K.
TI Magnetic properties and magnetic entropy changes of MRE2Co7 compounds
SO SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
LA English
DT Article
DE (La0.5Ce0.5)(2)Co-7 compound; (Ce0.65Pr0.35)(2)Co-7 compound; magnetic
property; magnetic entropy change
ID INTERMETALLIC COMPOUNDS; RARE-EARTH; TB; HO; DY; PR2CO7; GD; ER
AB (La0.5Ce0.5)(2)Co-7 and (Ce0.65Pr0.35)(2)Co-7 compounds for magnetic refrigeration were studied by X-ray diffraction, ac susceptibility and isothermal magnetization measurements. X-ray powder diffraction shows that all the compounds have hexagonal Ce2Ni7-type structure. The Curie temperatures (TC) are 258 K and 222 K for (La0.5Ce0.5)(2)Co-7 and (Ce0.65Pr0.35)(2)Co-7 compounds, respectively. High coercivities (HC) of about 1.74 and 6.61 kOe at 5 K with a smooth demagnetization curves were obtained for the (La0.5Ce0.5)(2)Co-7 and (Ce0.65Pr0.35)(2)Co-7 compounds, respectively. For an applied field change from 0 to 50 kOe, the maximum (-Delta SM) for (La0.5Ce0.5)(2)Co-7 and (Ce0.65Pr0.35)(2)Co-7 compounds are 0.52 and 0.67 J/(kg K), respectively.
C1 [Zhong XiChun; Liu ZhongWu; Tian HuaCun] S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China.
[Zhong XiChun; Karl, Gschneidner Jr A.; Vitalij, Pecharsky K.] Iowa State Univ, Ames Lab, US Dept Energy, Ames, IA 50011 USA.
[Zhong XiChun; Karl, Gschneidner Jr A.; Vitalij, Pecharsky K.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
[Min JiXiong] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China.
RP Zhong, XC (reprint author), S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China.
EM xczhong@scut.edu.cn
RI Liu, Zhongwu/D-8015-2012
OI Liu, Zhongwu/0000-0002-2560-6282
FU U.S. Department of Energy, Office of Basic Energy Science, Division of
Materials Sciences and Engineering; U.S. Department of Energy
[DE-AC02-07CH11358]; Scientific Research Foundation for the Returned
Overseas Chinese Scholars, Education Ministry of China [x2clB7120290];
Guangzhou Municipal Science and Technology Program [12F582080022];
Fundamental Research Funds for the Central Universities of China
[2012ZZ0013, 2014ZZ0005]
FX This work was supported by the U.S. Department of Energy, Office of
Basic Energy Science, Division of Materials Sciences and Engineering.
The research was performed at the Ames Laboratory. Ames Laboratory is
operated for the U.S. Department of Energy by Iowa State University
under contract No. DE-AC02-07CH11358. ZHONG X C also thanks the
Scientific Research Foundation for the Returned Overseas Chinese
Scholars, Education Ministry of China (Grant No. x2clB7120290), the
Guangzhou Municipal Science and Technology Program (Grant No.
12F582080022) and the Fundamental Research Funds for the Central
Universities of China (Grant Nos. 2012ZZ0013 and 2014ZZ0005).
NR 18
TC 0
Z9 0
U1 0
U2 6
PU SCIENCE PRESS
PI BEIJING
PA 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
SN 1674-7348
EI 1869-1927
J9 SCI CHINA PHYS MECH
JI Sci. China-Phys. Mech. Astron.
PD SEP
PY 2015
VL 58
IS 9
AR 597501
DI 10.1007/s11433-015-5656-9
PG 4
WC Physics, Multidisciplinary
SC Physics
GA CQ8CQ
UT WOS:000360834200009
ER
PT J
AU Harilal, SS
Diwakar, PM
LaHaye, NL
Phillips, MC
AF Harilal, S. S.
Diwakar, P. M.
LaHaye, N. L.
Phillips, M. C.
TI Spatio-temporal evolution of uranium emission in laser-produced plasmas
SO SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
LA English
DT Article
DE U emission; LIBS; Ambient gas effects; Line broadening; Nuclear
forensics
ID INDUCED BREAKDOWN SPECTROSCOPY; ABSORPTION SPECTROSCOPY;
NUCLEAR-MATERIALS; ENERGY-LEVELS; LIBS; OPTIMIZATION; SPECTROMETRY;
STRENGTHS; THORIUM; LINES
AB Laser-induced plasma spectroscopy provides much impetus as a nuclear forensics tool because of its capability of standoff detection and real-time analysis. However, special nuclear materials like U, Pu, etc. provide very crowded spectra and, when combined with shifts and broadening of spectral lines caused by ambient atmospheric operation, generate a complex plasma spectroscopy system. We explored the spatio-temporal evolution of excited U species in a laser ablation plume under various ambient pressure conditions. Plasmas were generated using 1064 nm, 6 ns pulses from a Nd:YAG laser on a U containing glass matrix target. The role of air ambient pressure on U line intensities, signal-to-background ratios, and linewidths were investigated. Spatially and temporally resolved optical time-of-flight emission spectroscopy of excited uranium atoms were used for studying the expansion hydrodynamics and the persistence of U species in the plume. Our results showed that U emission linewidths increased with pressure due to increased Stark broadening; however, the broadening was less than that for Ca. A comparison with U emission features in the presence of an inert gas showed the persistence of U species in plasmas in ambient air is significantly reduced; this could be due to oxide and other reactive species formation. (C) 2015 Published by Elsevier B.V.
C1 [Harilal, S. S.; LaHaye, N. L.; Phillips, M. C.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Diwakar, P. M.] Purdue Univ, Sch Nucl Engn, W Lafayette, IN 47907 USA.
RP Harilal, SS (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM hari@pnnl.gov
RI Harilal, Sivanandan/B-5438-2014;
OI Harilal, Sivanandan/0000-0003-2266-7976; LaHaye,
Nicole/0000-0001-5047-8078
FU DOE/NNSA Office of Nonproliferation and Verification Research and
Development [NA-22]; U.S. Department of Energy [DE-AC05-76RL01830]
FX This work was supported by the DOE/NNSA Office of Nonproliferation and
Verification Research and Development (NA-22). Pacific Northwest
National Laboratory, a multi-program national laboratory operated by
Battelle for the U.S. Department of Energy under Contract
DE-AC05-76RL01830
NR 40
TC 6
Z9 6
U1 6
U2 25
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0584-8547
J9 SPECTROCHIM ACTA B
JI Spectroc. Acta Pt. B-Atom. Spectr.
PD SEP 1
PY 2015
VL 111
BP 1
EP 7
DI 10.1016/j.sab.2015.06.003
PG 7
WC Spectroscopy
SC Spectroscopy
GA CQ7HS
UT WOS:000360774200001
ER
PT J
AU Scheibe, TD
Schuchardt, K
Agarwal, K
Chase, J
Yang, XF
Palmer, BJ
Tartakovsky, AM
Elsethagen, T
Redden, G
AF Scheibe, Timothy D.
Schuchardt, Karen
Agarwal, Khushbu
Chase, Jared
Yang, Xiaofan
Palmer, Bruce J.
Tartakovsky, Alexandre M.
Elsethagen, Todd
Redden, George
TI Hybrid multiscale simulation of a mixing-controlled reaction
SO ADVANCES IN WATER RESOURCES
LA English
DT Article
DE Pore-scale modeling; Hybrid multiscale; Mixing-controlled reaction;
Computational methods
ID SMOOTHED PARTICLE HYDRODYNAMICS; DIRECT NUMERICAL-SIMULATION; LATTICE
BOLTZMANN METHOD; PORE-NETWORK MODELS; FIXED-BED REACTORS; SINGLE-PHASE
FLOW; POROUS-MEDIA; MULTIPHASE FLOW; HETEROGENEOUS MEDIA; SCALE
SIMULATION
AB Continuum scale models, which employ a porous medium conceptualization to represent properties and processes averaged over a large number of solid grains and pore spaces, are widely used to study subsurface flow and reactive transport. Recently, pore-scale models, which explicitly resolve individual soil grains and pores, have been developed to more accurately model and study pore scale phenomena, such as mineral precipitation and dissolution reactions, microbially-mediated surface reactions, and other complex processes. However, these highly resolved models are prohibitively expensive for modeling domains of sizes relevant to practical problems. To broaden the utility of pore scale models for larger domains, we developed a hybrid multiscale model that initially simulates the full domain at the continuum scale and applies a pore scale model only to areas of high reactivity. Since the location and number of pore-scale model regions in the model varies as the reactions proceed, an adaptive script defines the number and location of pore regions within each continuum iteration and initializes pore-scale simulations from macroscale information. Another script communicates information from the pore-scale simulation results back to the continuum scale. These components provide loose coupling between the pore- and continuum-scale codes into a single hybrid multiscale model implemented within the SWIFT workflow environment. In this paper, we consider an irreversible homogeneous bimolecular reaction (two solutes reacting to form a third solute) in a 2D test problem. This paper is focused on the approach used for multiscale coupling between pore- and continuumscale models, application to a realistic test problem, and implications of the results for predictive simulation of mixing-controlled reactions in porous media. Our results and analysis demonstrate that the hybrid multiscale method provides a feasible approach for increasing the accuracy of subsurface reactive transport simulations. (C) 2015 Published by Elsevier Ltd.
C1 [Scheibe, Timothy D.; Schuchardt, Karen; Agarwal, Khushbu; Chase, Jared; Yang, Xiaofan; Palmer, Bruce J.; Tartakovsky, Alexandre M.; Elsethagen, Todd] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Redden, George] Montana State Univ, Bozeman, MT 59717 USA.
RP Scheibe, TD (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM Tim.Scheibe@pnnl.gov
RI Yang, Xiaofan/L-6472-2015; Scheibe, Timothy/A-8788-2008
OI Yang, Xiaofan/0000-0003-4514-0229; Scheibe, Timothy/0000-0002-8864-5772
FU U. S. Department of Energy (DOE) office of Biological and Environmental
Research through the PNNL Subsurface Science Scientific Focus Area
project; DOE office of Advanced Scientific Computing Research under the
Scientific Discovery through Advanced Computing (SciDAC) program; DOE
Office of Science; DOE by Battelle Memorial Institute [DE-AC06-76RLO
1830]
FX The research was supported by the U. S. Department of Energy (DOE)
office of Biological and Environmental Research through the PNNL
Subsurface Science Scientific Focus Area project and the DOE office of
Advanced Scientific Computing Research under the Scientific Discovery
through Advanced Computing (SciDAC) program. Computations described here
were performed using computational facilities of the National Energy
Research Scientific Computing Center (NERSC), a national scientific user
facility sponsored by DOE Office of Science. PNNL is operated for the
DOE by Battelle Memorial Institute under Contract No. DE-AC06-76RLO
1830.
NR 85
TC 2
Z9 2
U1 3
U2 33
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0309-1708
EI 1872-9657
J9 ADV WATER RESOUR
JI Adv. Water Resour.
PD SEP
PY 2015
VL 83
BP 228
EP 239
DI 10.1016/j.advwatres.2015.06.006
PG 12
WC Water Resources
SC Water Resources
GA CP9CV
UT WOS:000360192200020
ER
PT J
AU Punshon, T
Chen, S
Finney, L
Howard, L
Jackson, BP
Karagas, MR
Ornvold, K
AF Punshon, Tracy
Chen, Si
Finney, Lydia
Howard, Louisa
Jackson, Brian P.
Karagas, Margaret R.
Ornvold, Kim
TI High-resolution elemental mapping of human placental chorionic villi
using synchrotron X-ray fluorescence spectroscopy
SO ANALYTICAL AND BIOANALYTICAL CHEMISTRY
LA English
DT Article
DE Synchrotron X-ray fluorescence; Placenta; Sample preparation
ID CRYOELECTRON TOMOGRAPHY; FORMALIN FIXATION; ARABIDOPSIS SEED; ARSENIC
EXPOSURE; LOCALIZATION; MICROSCOPY; TISSUE; SAMPLES; CELLS; IRON
AB The placenta is the organ that mediates transport of nutrients and waste materials between mother and fetus. Synchrotron X-ray fluorescence (SXRF) microanalysis is a tool for imaging the distribution and quantity of elements in biological tissue, which can be used to study metal transport across biological membranes. Our aims were to pilot placental biopsy specimen preparation techniques that could be integrated into an ongoing epidemiology birth cohort study without harming rates of sample acquisition. We studied the effects of fixative (formalin or glutaraldehyde) and storage duration (30 days or immediate processing) on metal distribution and abundance and investigated a thaw-fixation protocol for archived specimens stored at -80 A degrees C. We measured fixative elemental composition with and without a placental biopsy via inductively coupled plasma mass spectrometry (ICP-MS) to quantify fixative-induced elemental changes. Formalin-fixed specimens showed hemolysis of erythrocytes. The glutaraldehyde-paraformaldehyde solution in HEPES buffer (GTA-HEPES) had superior anatomical preservation, avoided hemolysis, and minimized elemental loss, although some cross-linking of exogenous Zn was evident. Elemental loss from tissue stored in fixative for 1 month showed variable losses (a parts per thousand 40 % with GTA-HEPES), suggesting storage duration be controlled for. Thawing of tissue held at -80 A degrees C in a GTA-HEPES solution provided high-quality visual images and elemental images.
C1 [Punshon, Tracy; Howard, Louisa; Jackson, Brian P.] Dartmouth Coll, Hanover, NH 03755 USA.
[Chen, Si; Finney, Lydia] Argonne Natl Lab, Xray Sci Div, Adv Photon Source, Lemont, IL 60439 USA.
[Karagas, Margaret R.] Dartmouth Coll, Geisel Sch Med, Hanover, NH 03755 USA.
[Ornvold, Kim] Dartmouth Hitchcock Med Ctr, Lebanon, NH 03756 USA.
RP Punshon, T (reprint author), Dartmouth Coll, 78 Coll St, Hanover, NH 03755 USA.
EM tracy.punshon@dartmouth.edu
FU National Institute of General Medical Sciences [P20 GM104416]; National
Institute of Environmental Health at the NIH [P01ES022832, P42
ES007373]; Environmental Protection Agency [RD83544201]; DOE Office of
Science by Argonne National Laboratory [DE-AC02-06CH11357]
FX This work was supported in part by the following: P20 GM104416 from the
National Institute of General Medical Sciences, P01ES022832 and P42
ES007373 from the National Institute of Environmental Health at the NIH,
and RD83544201 from the Environmental Protection Agency. This research
used resources of the Advanced Photon Source, a US Department of Energy
(DOE) Office of Science User Facility operated by the DOE Office of
Science by Argonne National Laboratory under Contract No.
DE-AC02-06CH11357.
NR 29
TC 3
Z9 3
U1 5
U2 28
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1618-2642
EI 1618-2650
J9 ANAL BIOANAL CHEM
JI Anal. Bioanal. Chem.
PD SEP
PY 2015
VL 407
IS 22
BP 6839
EP 6850
DI 10.1007/s00216-015-8861-5
PG 12
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA CP9NJ
UT WOS:000360220800026
PM 26138895
ER
PT J
AU Custelcean, R
Williams, NJ
Seipp, CA
AF Custelcean, Radu
Williams, Neil J.
Seipp, Charles A.
TI Aqueous Sulfate Separation by Crystallization of Sulfate-Water Clusters
SO ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
LA English
DT Article
DE anions; cluster compounds; guanidines; hydrates; hydrazones
ID GUANIDINIUM RECEPTORS; TETRAHEDRAL OXOANIONS; INJECTION OPERATIONS;
ALKALINE-SOLUTIONS; ANION; CAPSULES; BINDING; RECOGNITION; SOLVATION;
THERMODYNAMICS
AB An effective approach to sulfate separation from aqueous solutions is based on the crystallization of extended [SO4(H2O)(5)(2-)](n) sulfate-water clusters with a bis(guanidinium) ligand. The ligand was generated insitu by hydrazone condensation in water, thereby bypassing the need for elaborate syntheses, tedious purifications, and organic solvents. Crystallization of sulfate-water clusters represents an alternative approach to the now established sulfate separation strategies that involve encapsulation of the naked anion.
C1 [Custelcean, Radu; Williams, Neil J.; Seipp, Charles A.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Williams, Neil J.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Seipp, Charles A.] Univ Texas Austin, Dept Chem, Austin, TX 78712 USA.
RP Custelcean, R (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
EM custelceanr@ornl.gov
RI Seipp, Charles/J-5546-2016; Custelcean, Radu/C-1037-2009
OI Seipp, Charles/0000-0003-4476-6991; Custelcean, Radu/0000-0002-0727-7972
FU U.S. Department of Energy, Office of Science, Basic Energy Sciences,
Chemical Sciences, Geosciences, and Biosciences Division
FX This material is based upon work supported by the U.S. Department of
Energy, Office of Science, Basic Energy Sciences, Chemical Sciences,
Geosciences, and Biosciences Division.
NR 44
TC 9
Z9 9
U1 2
U2 14
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 1433-7851
EI 1521-3773
J9 ANGEW CHEM INT EDIT
JI Angew. Chem.-Int. Edit.
PD SEP 1
PY 2015
VL 54
IS 36
BP 10525
EP 10529
DI 10.1002/anie.201506314
PG 5
WC Chemistry, Multidisciplinary
SC Chemistry
GA CQ0UL
UT WOS:000360312800021
PM 26252802
ER
PT J
AU Do, M
Isaacson, SA
McDermott, G
Le Gros, MA
Larabell, CA
AF Do, Myan
Isaacson, Samuel A.
McDermott, Gerry
Le Gros, Mark A.
Larabell, Carolyn A.
TI Imaging and characterizing cells using tomography
SO ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS
LA English
DT Review
DE Correlated; Cryogenic; Fluorescence; Microscopy; Modeling; Nucleus; Soft
X-ray tomography
ID X-RAY TOMOGRAPHY; DNA-BINDING SITES; ELECTRON TOMOGRAPHY; BIOLOGICAL
SPECIMENS; SPATIAL-RESOLUTION; LIGHT-MICROSCOPY; CORRELATED LIGHT;
RECONSTRUCTION; MOLECULES; FLUORESCENCE
AB We can learn much about cell function by imaging and quantifying sub-cellular structures, especially if this is done non-destructively without altering said structures. Soft X-ray tomography (SXT) is a high-resolution imaging technique for visualizing cells and their interior structure in 3D. A tomogram of the cell, reconstructed from a series of 2D projection images, can be easily segmented and analyzed. SXT has a very high specimen throughput compared to other high-resolution structure imaging modalities; for example, tomographic data for reconstructing an entire eukaryotic cell is acquired in a matter of minutes. SXT visualizes cells without the need for chemical fixation, dehydration, or staining of the specimen. As a result, the SXT reconstructions are close representations of cells in their native state. SXT is applicable to most cell types. The deep penetration of soft X-rays allows cells, even mammalian cells, to be imaged without being sectioned. Image contrast in SXT is generated by the differential attenuation soft X-ray illumination as it passes through the specimen. Accordingly, each voxel in the tomographic reconstruction has a measured linear absorption coefficient (LAC) value. LAC values are quantitative and give rise to each sub-cellular component having a characteristic LAC profile, allowing organelles to be identified and segmented from the milieu of other cell contents. In this chapter, we describe the fundamentals of SXT imaging and how this technique can answer real world questions in the study of the nucleus. We also describe the development of correlative methods for the localization of specific molecules in a SXT reconstruction. The combination of fluorescence and SXT data acquired from the same specimen produces composite 3D images, rich with detailed information on the inner workings of cells. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Do, Myan; McDermott, Gerry; Le Gros, Mark A.; Larabell, Carolyn A.] Univ Calif San Francisco, Dept Anat, San Francisco, CA 94143 USA.
[Do, Myan; McDermott, Gerry; Le Gros, Mark A.; Larabell, Carolyn A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Natl Ctr Xray Tomog, Berkeley, CA 94720 USA.
[Do, Myan; McDermott, Gerry; Le Gros, Mark A.; Larabell, Carolyn A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Isaacson, Samuel A.] Boston Univ, Dept Math & Stat, Boston, MA 02215 USA.
RP Larabell, CA (reprint author), Univ Calif San Francisco, Dept Anat, San Francisco, CA 94143 USA.
EM Carolyn.Larabell@ucsf.edu
OI Isaacson, Samuel/0000-0002-7543-8619
FU US Department of Energy, Office of Biological and Environmental Research
[DE-AC02-05CH11231]; National Center for Research Resources of the
National Institutes of Health [P41RR019664]; National Institutes of
General Medicine of the National Institutes of Health [GM63948]; Gordon
and Betty Moore Foundation [3497]; NSF [DMS-0920886, DMS-1255408]
FX This work was supported by the US Department of Energy, Office of
Biological and Environmental Research (DE-AC02-05CH11231), the National
Center for Research Resources of the National Institutes of Health
(P41RR019664), the National Institutes of General Medicine of the
National Institutes of Health (GM63948), and the Gordon and Betty Moore
Foundation (3497). S.A.I. was supported by NSF DMS-0920886 and NSF
DMS-1255408. S.A.I. also thanks Dr. Larabell and The National Center for
X-ray Tomography for hosting him during his fall 2014 sabbatical.
NR 63
TC 10
Z9 10
U1 8
U2 35
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0003-9861
EI 1096-0384
J9 ARCH BIOCHEM BIOPHYS
JI Arch. Biochem. Biophys.
PD SEP 1
PY 2015
VL 581
SI SI
BP 111
EP 121
DI 10.1016/j.abb.2015.01.011
PG 11
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA CP9BC
UT WOS:000360187700013
PM 25602704
ER
PT J
AU Teng, YHG
Berger, WT
Nesbitt, NM
Kumar, K
Balius, TE
Rizzo, RC
Tonge, PJ
Ojima, I
Swaminathan, S
AF Teng, Yu-Han Gary
Berger, William T.
Nesbitt, Natasha M.
Kumar, Kunal
Balius, Trent E.
Rizzo, Robert C.
Tonge, Peter J.
Ojima, Iwao
Swaminathan, Subramanyam
TI Computer-aided identification, synthesis, and biological evaluation of
novel inhibitors for botulinum neurotoxin serotype A
SO BIOORGANIC & MEDICINAL CHEMISTRY
LA English
DT Article
DE Botulinum neurotoxin; BoNT/A-LC inhibitor; SNAPtide; SNAP-25; HTP in
silico screening
ID MANAGEMENT; TOXIN; MODEL
AB Botulinum neurotoxins (BoNTs) are among the most potent biological toxin known to humans, and are classified as Category A bioterrorism agents by the Centers for Disease Control and prevention (CDC). There are seven known BoNT serotypes (A-G) which have been thus far identified in literature. BoNTs have been shown to block neurotransmitter release by cleaving proteins of the soluble NSF attachment protein receptor (SNARE) complex. Disruption of the SNARE complex precludes motor neuron failure which ultimately results in flaccid paralysis in humans and animals. Currently, there are no effective therapeutic treatments against the neurotoxin light chain (LC) after translocation into the cytosols of motor neurons. In this work, high-throughput in silico screening was employed to screen a library of commercially available compounds from ZINC database against BoNT/A-LC. Among the hit compounds from the in silico screening, two lead compounds were identified and found to have potent inhibitory activity against BoNT/A-LC in vitro, as well as in Neuro-2a cells. A few analogs of the lead compounds were synthesized and their potency examined. One of these analogs showed an enhanced activity than the lead compounds. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Teng, Yu-Han Gary; Nesbitt, Natasha M.; Kumar, Kunal; Rizzo, Robert C.; Tonge, Peter J.; Ojima, Iwao; Swaminathan, Subramanyam] SUNY Stony Brook, Inst Chem Biol & Drug Discovery, Stony Brook, NY 11794 USA.
[Berger, William T.; Tonge, Peter J.; Ojima, Iwao] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Swaminathan, Subramanyam] Brookhaven Natl Lab, Biol Environm & Climate Sci Dept, Upton, NY 11973 USA.
[Balius, Trent E.; Rizzo, Robert C.] SUNY Stony Brook, Dept Appl Math & Stat, Stony Brook, NY 11794 USA.
RP Ojima, I (reprint author), SUNY Stony Brook, Inst Chem Biol & Drug Discovery, Stony Brook, NY 11794 USA.
EM iwao.ojima@stonybrook.edu
FU Defense Threat Reduction Agency (DTRA), Department of Defense, United
States [TCBM.THRTOX.01.10.BNL.017]
FX This research was supported by a Grant from the Defense Threat Reduction
Agency (DTRA), Department of Defense (TCBM.THRTOX.01.10.BNL.017 to
S.S.), United States.
NR 22
TC 2
Z9 2
U1 0
U2 9
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0968-0896
EI 1464-3391
J9 BIOORGAN MED CHEM
JI Bioorg. Med. Chem.
PD SEP 1
PY 2015
VL 23
IS 17
BP 5489
EP 5495
DI 10.1016/j.bmc.2015.07.040
PG 7
WC Biochemistry & Molecular Biology; Chemistry, Medicinal; Chemistry,
Organic
SC Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Chemistry
GA CQ1IG
UT WOS:000360349900026
PM 26275678
ER
PT J
AU Laguna, I
Ahn, DH
de Supinski, BR
Gamblin, T
Lee, GL
Schulz, M
Bagchi, S
Kulkarni, M
Zhou, BW
Chen, ZZ
Qin, F
AF Laguna, Ignacio
Ahn, Dong H.
de Supinski, Bronis R.
Gamblin, Todd
Lee, Gregory L.
Schulz, Martin
Bagchi, Saurabh
Kulkarni, Milind
Zhou, Bowen
Chen, Zhezhe
Qin, Feng
TI Debugging High-Performance Computing Applications at Massive Scales
SO COMMUNICATIONS OF THE ACM
LA English
DT Article
ID PARALLEL PROGRAMS; IMPLEMENTATION
C1 [Laguna, Ignacio; Gamblin, Todd; Schulz, Martin] Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94550 USA.
[Ahn, Dong H.; Lee, Gregory L.] Lawrence Livermore Natl Lab, Livermore Comp Ctr, Livermore, CA USA.
[de Supinski, Bronis R.] Lawrence Livermore Natl Lab, Livermore Comp, Livermore, CA USA.
[de Supinski, Bronis R.] Queens Univ Belfast, Exascale Comp, Belfast, Antrim, North Ireland.
[de Supinski, Bronis R.] Texas A&M Univ, Dept Comp Sci, College Stn, TX 77843 USA.
[Schulz, Martin] MPI Forum, Bordeaux, France.
[Bagchi, Saurabh; Zhou, Bowen] Purdue Univ, W Lafayette, IN 47907 USA.
[Kulkarni, Milind] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA.
[Zhou, Bowen] Turn, Redwood City, CA USA.
[Chen, Zhezhe] Twitter Inc, San Francisco, CA USA.
[Chen, Zhezhe] Ohio State Univ, Columbus, OH 43210 USA.
[Qin, Feng] Ohio State Univ, Dept Comp Sci & Engn, Columbus, OH 43210 USA.
RP Laguna, I (reprint author), Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94550 USA.
EM ilaguna@llnl.gov; ahn1@llnl.gov; bronis@llnl.gov; tgamblin@llnl.gov;
lee218@llnl.gov; schulzm@llnl.gov; sbagchi@purdue.edu;
milind@purdue.edu; bwzhou@gmail.com; zhezhec@twitter.com;
qin@cse.ohio-state.edu
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DEAC52-07NA27344, LLNL-JRNL-652400]; National Science Foundation
[CNS-0916337, CCF-1337158, CCF-0953759, CNS-0403342]
FX The research and development related to this article was performed
partially under the auspices of the U.S. Department of Energy by
Lawrence Livermore National Laboratory under contract DEAC52-07NA27344
(LLNL-JRNL-652400) and support from National Science Foundation awards
CNS-0916337, CCF-1337158, CCF-0953759, and CNS-0403342.
NR 28
TC 1
Z9 1
U1 0
U2 2
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 2 PENN PLAZA, STE 701, NEW YORK, NY 10121-0701 USA
SN 0001-0782
EI 1557-7317
J9 COMMUN ACM
JI Commun. ACM
PD SEP
PY 2015
VL 58
IS 9
BP 72
EP 81
DI 10.1145/2667219
PG 10
WC Computer Science, Hardware & Architecture; Computer Science, Software
Engineering; Computer Science, Theory & Methods
SC Computer Science
GA CP9KW
UT WOS:000360214000021
ER
PT J
AU Coleman, AM
Diefenderfer, HL
Ward, DL
Borde, AB
AF Coleman, Andre M.
Diefenderfer, Heida L.
Ward, Duane L.
Borde, Amy B.
TI A spatially based area-time inundation index model developed to assess
habitat opportunity in tidal-fluvial wetlands and restoration sites
SO ECOLOGICAL ENGINEERING
LA English
DT Article
DE Aquatic terrestrial interface; Connectivity; Environmental flow;
Estuary; Hydrological reconnection; Hydropower mitigation; Restoration;
Riparian; Salmon; Spatial modeling; Terrain analysis; Tidal hydrology
ID DIGITAL ELEVATION MODEL; COLUMBIA RIVER ESTUARY; FORESTED WETLANDS;
SALMONID HABITAT; FOOD WEBS; USA; MICROTOPOGRAPHY; EXTRACTION; PATTERNS;
ECOLOGY
AB A geographic information system (GIS)-based Area-Time Inundation Index Model (ATIIM) was developed to predict and evaluate availability of hydrologically connected habitats in estuarine and tidal-fluvial regions. The model establishes and describes patterns in the spatial and temporal relationships of the land and water including non-dimensional area-time and volume-time inundation indices. The processing integrates in situ or modeled water-surface elevation (WSE) data with high-resolution elevation data, using established terrain generation and spatial hydrologic analysis methods which are applied in a new geographic domain: the low-relief microtopography characteristic of coastal wetlands. The ATIIM links these data to newly developed, spatially continuous wetted-area algorithms in a GIS module and determines site average bankfull elevation, two-and three-dimensional inundation extent, and other spatial, tabular, and graph-based metrics. It is a cost-effective, rapid assessment tool suitable for the desktop planning environment, and represents an advance over methods that estimate inundation but do not enforce hydrological connectivity. Example model outputs for 11 tidal wetland areas in the lower Columbia River floodplain and estuary illustrate habitat opportunity for threatened and endangered salmon. Outputs for wetland reference sites (tidal marshes and tidal forested wetlands) are compared with river-restoration sites where objectives include increasing salmon access to beneficial habitats by hydrologically reconnecting channels in diked areas of the floodplain. Hydrological process metrics produced by the model, both new and commonly used, support the prioritization of proposed restoration sites, pre-construction planning, and post-construction evaluation. For example, the model can help determine relationships between WSE and habitat opportunity, contrast alternative restoration designs, predict impacts of altered flow regimes, estimate nutrient and biomass fluxes, and provide standardized site comparisons to support effective monitoring of the developmental trajectories of restoration sites. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Coleman, Andre M.; Ward, Duane L.] Pacific NW Natl Lab, Earth Syst Sci Div, Hydrol Tech Grp, Richland, WA 99352 USA.
[Diefenderfer, Heida L.; Borde, Amy B.] Pacific NW Natl Lab, Coastal Sci Div, Marine Sci Lab, Sequim, WA 98382 USA.
RP Coleman, AM (reprint author), Pacific NW Natl Lab, Earth Syst Sci Div, Hydrol Tech Grp, POB 999,MSIN K9-33, Richland, WA 99352 USA.
EM Andre.Coleman@pnnl.gov
FU U.S. Army Corps of Engineers, Columbia River Fish Mitigation Program
[EST-02-P-04]
FX This research was partially supported by the U.S. Army Corps of
Engineers, Columbia River Fish Mitigation Program (study code
EST-02-P-04). The authors thank B. Ebberts, C. Studebaker, G. Johnson,
C. Roegner, and R. Thom for management and leadership of the study; the
Columbia Land Trust and the Port of Astoria for permission to conduct
research on their properties; N. Sather and S. McEwen for contributions
to the Columbia Stock Ranch case study; and the many others-particularly
R. Kaufmann and S. Zimmerman-who assisted with field data collection.
NR 85
TC 1
Z9 1
U1 10
U2 35
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0925-8574
EI 1872-6992
J9 ECOL ENG
JI Ecol. Eng.
PD SEP
PY 2015
VL 82
BP 624
EP 642
DI 10.1016/j.ecoleng.2015.05.006
PG 19
WC Ecology; Engineering, Environmental; Environmental Sciences
SC Environmental Sciences & Ecology; Engineering
GA CP9BQ
UT WOS:000360189100073
ER
PT J
AU Janarthanan, R
Serov, A
Pilli, SK
Gamarra, DA
Atanassov, P
Hibbs, MR
Herring, AM
AF Janarthanan, Rajeswari
Serov, Alexey
Pilli, Satyananda Kishore
Gamarra, Daniel A.
Atanassov, Plamen
Hibbs, Michael R.
Herring, Andrew M.
TI Direct Methanol Anion Exchange Membrane Fuel Cell with a Non-Platinum
Group Metal Cathode based on Iron-Aminoantipyrine Catalyst
SO ELECTROCHIMICA ACTA
LA English
DT Article; Proceedings Paper
CT 14th International Symposium on Polymer Electrolytes
CY AUG 24-29, 2014
CL Geelong, AUSTRALIA
DE Oxygen Reduction Reaction; Anion Exchange Membrane; Fuel Cell; Direct
Methanol Fuel Cell; non-Platinum Group Metal Catalyst
ID OXYGEN REDUCTION; ALKALINE MEDIA; PERFORMANCE; OXIDATION;
ELECTROCATALYSTS; IONOMERS; SYSTEMS; ANODE; INK
AB The objective of the current report is to compare the performance of poly(phenylene) based anion exchange membranes in an alkaline direct methanol fuel cell when platinum cathode catalysts are replaced with non-platinum cathode catalysts. In a KOH-free methanol fuel, we show that a less expensive non-Pt cathode catalyst (derived from Fe-Aminoantipyrine, Fe-AAPyr using Generations 1 and 2 sacrificial silica supports) provide better or comparable performance to commercial Pt cathode catalysts. The peak power density, current density and open circuit voltage of Fe-AAPyr-G-1 in 1 M methanol at 80 degrees C are 2.78 mW cm(-2), 19.1 mA cm(-2) and 0.7 V respectively. In a direct methanol fuel cell utilizing KOH in the fuel feed, the non-Pt catalyst shows promising peak power density of 52 mW cm(-2) with the Fe-AAPyr-G-2 cathode catalyst, comparable to a commercial Pt catalyst. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Janarthanan, Rajeswari; Pilli, Satyananda Kishore; Gamarra, Daniel A.; Herring, Andrew M.] Colorado Sch Mines, Dept Chem & Biol Engn, Golden, CO 80401 USA.
[Serov, Alexey; Atanassov, Plamen] Univ New Mexico, Dept Chem & Biol Engn, Albuquerque, NM 87131 USA.
[Hibbs, Michael R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Herring, AM (reprint author), Colorado Sch Mines, Dept Chem & Biol Engn, Golden, CO 80401 USA.
EM aherring@mines.edu
OI Herring, Andrew/0000-0001-7318-5999
FU Laboratory Directed Research and Development (LDRD) program at Sandia
National Laboratories; U.S. Department of Energy's National Nuclear
Security Administration [DE-AC04-94AL85000]
FX This work was supported by the Laboratory Directed Research and
Development (LDRD) program at Sandia National Laboratories. Sandia
National Laboratory is a multi-program laboratory operated by Sandia
Corporation, a wholly owned subsidiary of Lockheed Martin Company, for
the U.S. Department of Energy's National Nuclear Security Administration
under contract DE-AC04-94AL85000.
NR 43
TC 7
Z9 7
U1 6
U2 29
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0013-4686
EI 1873-3859
J9 ELECTROCHIM ACTA
JI Electrochim. Acta
PD SEP 1
PY 2015
VL 175
BP 202
EP 208
DI 10.1016/j.electacta.2015.03.209
PG 7
WC Electrochemistry
SC Electrochemistry
GA CP8XP
UT WOS:000360178600026
ER
PT J
AU Jimenez-Delgado, P
AF Jimenez-Delgado, Pedro
TI Delineating the Polarized and Unpolarized Partonic Structure of the
Nucleon
SO FEW-BODY SYSTEMS
LA English
DT Article
ID DISTRIBUTIONS
AB Reports on our latest extractions of parton distribution functions of the nucleon are given. First an overview of the recent JR14 upgrade of our unpolarized PDFs, including NNLO determinations of the strong coupling constant and a discussion of the role of the input scale in parton distribution analysis. In the second part of the talk recent results on the determination of spin-dependent PDFs from the JAM collaboration are reported, including a careful treatment of hadronic and nuclear corrections, as well as reports on the impact of present and future data in our understanding of the spin of the nucleon.
C1 Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Jimenez-Delgado, P (reprint author), Thomas Jefferson Natl Accelerator Facil, 12000 Jefferson Ave,Suite 1, Newport News, VA 23606 USA.
EM pedro@jlab.org
FU DOE [DE-AC05-06OR23177]
FX I thank W. Melnitchouk and E. Reya for the fruitful collaborations which
have lead to this publication. This work was supported by the DOE
Contract No. DE-AC05-06OR23177, under which Jefferson Science
Associates, LLC operates Jefferson Lab.
NR 11
TC 0
Z9 0
U1 0
U2 0
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
EI 1432-5411
J9 FEW-BODY SYST
JI Few-Body Syst.
PD SEP
PY 2015
VL 56
IS 6-9
BP 281
EP 286
DI 10.1007/s00601-015-0953-4
PG 6
WC Physics, Multidisciplinary
SC Physics
GA CQ2MV
UT WOS:000360435800007
ER
PT J
AU Metz, A
Pitonyak, D
Schafer, A
Schlegel, M
Vogelsang, W
Zhou, J
AF Metz, Andreas
Pitonyak, Daniel
Schaefer, Andreas
Schlegel, Marc
Vogelsang, Werner
Zhou, Jian
TI Transverse Single-Spin Asymmetries: Challenges and Recent Progress
SO FEW-BODY SYSTEMS
LA English
DT Article
ID DEEP-INELASTIC SCATTERING; QUANTUM CHROMODYNAMICS; FRAGMENTATION;
LEPTOPRODUCTION; POLARIZATION
AB Transverse single-spin asymmetries are among the most intriguing observables in hadronic physics. Though such asymmetries were already measured for the first time about four decades ago, their origin is still under debate. Here we consider transverse single-spin asymmetries in semi-inclusive lepton-nucleon scattering, in nucleon-nucleon scattering, and in inclusive lepton-nucleon scattering. It is argued that, according to recent work, the single-spin asymmetries for those three processes may be simultaneously described in perturbative QCD, where the re-scattering of the active partons plays a crucial role. A comparison of single-spin asymmetries in different reactions can also shed light on the universality of transverse momentum dependent parton correlation functions. In particular, we discuss what existing data may tell us about the predicted process dependence of the Sivers function.
C1 [Metz, Andreas] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
[Pitonyak, Daniel] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
[Schaefer, Andreas; Zhou, Jian] Univ Regensburg, Inst Theoret Phys, D-93053 Regensburg, Germany.
[Schlegel, Marc; Vogelsang, Werner] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany.
RP Metz, A (reprint author), Temple Univ, Dept Phys, 1925 12th St, Philadelphia, PA 19122 USA.
EM metza@temple.edu
FU National Science Foundation [PHY-1205942]; RIKEN BNL Research Center;
BMBF [OR 06RY9191]
FX This work has been supported by the National Science Foundation under
Grant No. PHY-1205942 (A.M.), the RIKEN BNL Research Center (D.P.), and
by the BMBF under Grant No. OR 06RY9191 (J.Z).
NR 42
TC 0
Z9 0
U1 4
U2 4
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
EI 1432-5411
J9 FEW-BODY SYST
JI Few-Body Syst.
PD SEP
PY 2015
VL 56
IS 6-9
BP 331
EP 336
DI 10.1007/s00601-014-0929-9
PG 6
WC Physics, Multidisciplinary
SC Physics
GA CQ2MV
UT WOS:000360435800014
ER
PT J
AU Kanazawa, K
Koike, Y
Metz, A
Pitonyak, D
AF Kanazawa, Koichi
Koike, Yuji
Metz, Andreas
Pitonyak, Daniel
TI New Collinear Twist-3 Analysis of Transverse SSA: Toward a Solution for
the Sign-Mismatch Problem
SO FEW-BODY SYSTEMS
LA English
DT Article
ID SPIN PRODUCTION ASYMMETRIES; HADRONIC PION-PRODUCTION; CHIRAL-ODD
CONTRIBUTION; QUANTUM CHROMODYNAMICS; HARD-SCATTERING; FRAGMENTATION;
DISTRIBUTIONS; COLLISIONS
AB We present a new collinear twist-3 analysis of the transverse SSA A (N) at RHIC. We use the TMD Sivers/Collins function to fix some of the relevant collinear twist-3 functions and perform a fit of the RHIC data with other parameterized twist-3 functions. This allows us to keep the consistency among descriptions in pp collision, SIDIS, and e (+) e (-) annihilation and thus could provide a unified description of the spin asymmetries in the low- and high-P (T) processes. By taking into account the twist-3 fragmentation contribution, we show for the first time this contribution could be the main source of A (N) in and its inclusion could provide a solution for the sign-mismatch problem.
C1 [Kanazawa, Koichi; Metz, Andreas] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
[Koike, Yuji] Niigata Univ, Dept Phys, Niigata 9502181, Japan.
[Pitonyak, Daniel] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
RP Kanazawa, K (reprint author), Temple Univ, Dept Phys, Barton Hall, Philadelphia, PA 19122 USA.
EM koichi.kanazawa@temple.edu
NR 44
TC 0
Z9 0
U1 3
U2 3
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
EI 1432-5411
J9 FEW-BODY SYST
JI Few-Body Syst.
PD SEP
PY 2015
VL 56
IS 6-9
BP 343
EP 348
DI 10.1007/s00601-014-0913-4
PG 6
WC Physics, Multidisciplinary
SC Physics
GA CQ2MV
UT WOS:000360435800016
ER
PT J
AU Salamu, Y
Ji, CR
Melnitchouk, W
Wang, P
AF Salamu, Y.
Ji, C. -R.
Melnitchouk, W.
Wang, P.
TI (d)over-bar - (u)over-bar Flavor Asymmetry in the Proton in Chiral
Effective Field Theory
SO FEW-BODY SYSTEMS
LA English
DT Article
ID DEEP-INELASTIC-SCATTERING; DRELL-YAN PROCESS; LIGHT-QUARK SEA; PARTON
DISTRIBUTIONS; SYMMETRY-BREAKING; PERTURBATION-THEORY; NUCLEON
AB The (d) over bar - (u) over bar flavor asymmetry in the proton arising from pion loops is computed using chiral effective field theory. The calculation includes both nucleon and Delta intermediate states, and uses both the fully relativistic and heavy baryon frameworks. The x dependence of extracted from the Fermilab E866 Drell-Yan data can be well reproduced in terms of a single transverse momentum cutoff parameter regulating the ultraviolet behavior of the loop integrals. In addition to the distribution at x > 0, corrections to the integrated asymmetry from zero momentum contributions are computed, which arise from pion rainbow and bubble diagrams at x = 0. These have not been accounted for in previous analyses, and can make important contributions to the lowest moment of (d) over bar - (u) over bar.
C1 [Salamu, Y.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
[Ji, C. -R.] N Carolina State Univ, Raleigh, NC 27692 USA.
[Melnitchouk, W.] Jefferson Lab, Newport News, VA 23606 USA.
[Wang, P.] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China.
RP Melnitchouk, W (reprint author), Jefferson Lab, Newport News, VA 23606 USA.
EM wmelnitc@jlab.org
FU DOE [DE-AC05-06OR23177, DE-FG02-03ER41260]; NSFC [11261130311, CRC 110];
DFG [CRC 110]
FX We thank A. W. Thomas for helpful comments and discussions. This work
was supported by the DOE Contract No. DE-AC05-06OR23177, under which
Jefferson Science Associates, LLC operates Jefferson Lab, DOE Contract
No. DE-FG02-03ER41260, and by NSFC under Grant No. 11261130311 (CRC 110
by DFG and NSFC).
NR 33
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
EI 1432-5411
J9 FEW-BODY SYST
JI Few-Body Syst.
PD SEP
PY 2015
VL 56
IS 6-9
BP 355
EP 362
DI 10.1007/s00601-015-0949-0
PG 8
WC Physics, Multidisciplinary
SC Physics
GA CQ2MV
UT WOS:000360435800018
ER
PT J
AU McKeown, RD
AF McKeown, R. D.
TI Jefferson Lab Science: Present and Future
SO FEW-BODY SYSTEMS
LA English
DT Article
AB The continuous electron beam accelerator facility and associated experimental equipment at Jefferson Lab comprise a unique facility for experimental nuclear physics. This facility is presently being upgraded, which will enable a new experimental program with substantial discovery potential to address important topics in nuclear, hadronic, and electroweak physics. Further in the future, it is envisioned that the Laboratory will evolve into an electron-ion colliding beam facility.
C1 [McKeown, R. D.] Jefferson Lab, Newport News, VA 23606 USA.
[McKeown, R. D.] Coll William & Mary, Dept Phys, Williamsburg, VA 23185 USA.
RP McKeown, RD (reprint author), Jefferson Lab, Newport News, VA 23606 USA.
EM bmck@jlab.org
FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics
[DE-AC05-06OR23177]
FX This material is based upon work supported by U.S. Department of Energy,
Office of Science, Office of Nuclear Physics under contract
DE-AC05-06OR23177.
NR 16
TC 0
Z9 0
U1 1
U2 1
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
EI 1432-5411
J9 FEW-BODY SYST
JI Few-Body Syst.
PD SEP
PY 2015
VL 56
IS 6-9
BP 413
EP 418
DI 10.1007/s00601-015-0946-3
PG 6
WC Physics, Multidisciplinary
SC Physics
GA CQ2MV
UT WOS:000360435800027
ER
PT J
AU Brodsky, SJ
de Teramond, GF
Deur, A
Dosch, HG
AF Brodsky, Stanley J.
de Teramond, Guy F.
Deur, Alexandre
Dosch, Hans Guenter
TI The Light-Front Schrodinger Equation and the Determination of the
Perturbative QCD Scale from Color Confinement: A First Approximation to
QCD
SO FEW-BODY SYSTEMS
LA English
DT Article
ID STRONG-COUPLING CONSTANT; QUANTUM CHROMODYNAMICS; CONFORMAL-INVARIANCE;
COMPOSITE SYSTEMS; MAGNETIC-MOMENTS; HOLOGRAPHIC QCD; FORM-FACTORS;
SUM-RULE; CONE; NUCLEON
AB The valence Fock-state wavefunctions of the light-front (LF) QCD Hamiltonian satisfy a relativistic equation of motion, analogous to the nonrelativistic radial Schrodinger equation, with an effective confining potential U which systematically incorporates the effects of higher quark and gluon Fock states. If one requires that the effective action which underlies the QCD Lagrangian remains conformally invariant and extends the formalism of de Alfaro, Fubini and Furlan to LF Hamiltonian theory, the potential U has a unique form of a harmonic oscillator potential, and a mass gap arises. The result is a nonperturbative relativistic LF quantum mechanical wave equation which incorporates color confinement and other essential spectroscopic and dynamical features of hadron physics, including a massless pion for zero quark mass and linear Regge trajectories with the same slope in the radial quantum number n and orbital angular momentum L. Only one mass parameter kappa appears. The corresponding LF Dirac equation provides a dynamical and spectroscopic model of nucleons. The same LF equations arise from the holographic mapping of the soft-wall model modification of AdS(5) space with a unique dilaton profile to QCD (3+1) at fixed LF time. LF holography thus provides a precise relation between the bound-state amplitudes in the fifth dimension of Anti-de Sitter (AdS) space and the boost-invariant LFWFs describing the internal structure of hadrons in physical space-time. We also show how the mass scale underlying confinement and the masses of light-quark hadrons determines the scale controlling the evolution of the perturbative QCD coupling. The relation between scales is obtained by matching the nonperturbative dynamics, as described by an effective conformal theory mapped to the LF and its embedding in AdS space, to the perturbative QCD regime computed to four-loop order. The data for the effective coupling defined from the Bjorken sum rule are remarkably consistent with the Gaussian form predicted by LF holographic QCD. The result is an effective coupling defined at all momenta. The predicted value GeV is in agreement with the world average GeV. We thus can connect to hadron masses. The analysis applies to any renormalization scheme.
C1 [Brodsky, Stanley J.] Stanford Univ, Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA.
[de Teramond, Guy F.] Univ Costa Rica, San Jose, Costa Rica.
[Deur, Alexandre] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Dosch, Hans Guenter] Heidelberg Univ, Inst Theoret Phys, D-6900 Heidelberg, Germany.
RP Brodsky, SJ (reprint author), Stanford Univ, Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA.
EM sjbth@slac.stanford.edu
FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics
[DE-AC05-06OR23177]; U.S. Department of Energy [DE-AC02-76SF00515.
SLAC-PUB-16098]
FX Invited talk, presented by SJB at Theory and Experiment for Hadrons on
the Light-Front (Light Cone 2014) May 26 - 30, 2013, Raleigh, North
Carolina. We thank Professor Chueng-Ryong Ji for organizing this
outstanding meeting. This material is based in part upon work supported
by the U.S. Department of Energy, Office of Science, Office of Nuclear
Physics under contract DE-AC05-06OR23177 and the U.S. Department of
Energy contract DE-AC02-76SF00515. SLAC-PUB-16098.
NR 82
TC 6
Z9 6
U1 1
U2 1
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
EI 1432-5411
J9 FEW-BODY SYST
JI Few-Body Syst.
PD SEP
PY 2015
VL 56
IS 6-9
BP 621
EP 632
DI 10.1007/s00601-015-0964-1
PG 12
WC Physics, Multidisciplinary
SC Physics
GA CQ2MV
UT WOS:000360435800057
ER
PT J
AU Kvon, EZ
AF Kvon, Evgeny Z.
TI Using transgenic reporter assays to functionally characterize enhancers
in animals
SO GENOMICS
LA English
DT Review
DE Enhancer; Cis-regulatory module; Transgenic reporter; Transposon;
Enhancer-trap; BAC transgenesis; Regulatory genomics
ID CIS-REGULATORY MODULES; LIVING DROSOPHILA EMBRYOS; TISSUE-SPECIFIC
ENHANCERS; SITE-SPECIFIC INTEGRATION; HUMAN GENOME; GENE-EXPRESSION;
IN-VIVO; TRANSCRIPTIONAL ENHANCERS; DEVELOPMENTAL ENHANCERS;
CAENORHABDITIS-ELEGANS
AB Enhancers or cis-regulatory modules play an instructive role in regulating gene expression during animal development and in response to the environment. Despite their importance, we only have an incomplete map of enhancers in the genome and our understanding of the mechanisms governing their function is still limited. Recent advances in genomics provided powerful tools to generate genome-wide maps of potential enhancers. However, most of these methods are based on indirect measures of enhancer activity and have to be followed by functional testing. Animal transgenesis has been a valuable method to functionally test and characterize enhancers in vivo. In this review I discuss how different transgenic strategies are utilized to characterize enhancers in model organisms focusing on studies in Drosophila and mouse. I will further discuss recent large-scale transgenic efforts to systematically identify and catalog enhancers as well as highlight the challenges and future directions in the field. (C) 2015 Elsevier Inc. All rights reserved.
C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Genom Div, Berkeley, CA 94720 USA.
RP Kvon, EZ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Genom Div, Berkeley, CA 94720 USA.
EM ekvon@lbl.gov
OI Kvon, Evgeny/0000-0002-1562-0945
FU Helen Hay Whitney Foundation; Department of Energy, University of
California [DE-AC02-05CH11231]
FX I thank A. Visel, C. Spurrell, M. Osterwalder, J.O. Yanez-Cuna, D.
Shlyueva, S. Mulenok and two anonymous reviewers for useful comments.
E.Z.K. is supported by postdoctoral fellowship from the Helen Hay
Whitney Foundation. Work at the E.O. Lawrence Berkeley National
Laboratory was conducted under Department of Energy contract
DE-AC02-05CH11231, University of California.
NR 139
TC 2
Z9 2
U1 5
U2 20
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0888-7543
EI 1089-8646
J9 GENOMICS
JI Genomics
PD SEP
PY 2015
VL 106
IS 3
BP 185
EP 192
DI 10.1016/j.ygeno.2015.06.007
PG 8
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA CQ2RD
UT WOS:000360447900009
PM 26072435
ER
PT J
AU Starrett, CE
AF Starrett, C. E.
TI A Green's function quantum average atom model
SO HIGH ENERGY DENSITY PHYSICS
LA English
DT Article
DE Average atom; Greens function; Warm dense matter; Dense plasmas; Density
functional theory
ID DENSE-PLASMAS; CELL MODEL; ELECTRONIC-STRUCTURE; APPROXIMATION;
PURGATORIO; HOT
AB A quantum average atom model is reformulated using Green's functions. This allows integrals along the real energy axis to be deformed into the complex plane. The advantage being that sharp features such as resonances and bound states are broadened by a Lorentzian with a half-width chosen for numerical convenience. An implementation of this method therefore avoids numerically challenging resonance tracking and the search for weakly bound states, without changing the physical content or results of the model. A straightforward implementation results in up to a factor of 5 speed-up relative to an optimized orbital based code. (C) 2015 Elsevier B.V. All rights reserved.
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Starrett, CE (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
FU United States Department of Energy [DE-AC52-06NA25396]; LDRD
[20150656ECR]
FX We are grateful to B. Wilson for useful discussions. This work was
performed under the auspices of the United States Department of Energy
under contract DE-AC52-06NA25396 and LDRD number 20150656ECR.
NR 32
TC 1
Z9 1
U1 3
U2 8
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1574-1818
EI 1878-0563
J9 HIGH ENERG DENS PHYS
JI High Energy Density Phys.
PD SEP
PY 2015
VL 16
BP 18
EP 22
DI 10.1016/j.hedp.2015.05.001
PG 5
WC Physics, Fluids & Plasmas
SC Physics
GA CP7US
UT WOS:000360094800003
ER
PT J
AU Kilcrease, DP
Colgan, J
Hakel, P
Fontes, CJ
Sherrill, ME
AF Kilcrease, D. P.
Colgan, J.
Hakel, P.
Fontes, C. J.
Sherrill, M. E.
TI An equation of state for partially ionized plasmas: The Coulomb
contribution to the free energy
SO HIGH ENERGY DENSITY PHYSICS
LA English
DT Article
DE Opacity; Equation of state
ID OPACITIES
AB We have previously developed an equation of state (EOS) model called ChemEOS (Hakel and Kilcrease, Atomic Processes in Plasmas, Eds., J. Cohen et al., AIP, 2004) for a plasma of interacting ions, atoms and electrons. It is based on a chemical picture of the plasma and is derived from an expression for the Helmholtz free energy of the interacting species. All other equilibrium thermodynamic quantities are then obtained by minimizing this free energy subject to constraints, thus leading to a thermodynamically consistent EOS. The contribution to this free energy from the Coulomb interactions among the particles is treated using the method of Chabrier and Potekhin (Phys. Rev. E 58, 4941 (1998)) which we have adapted for partially ionized plasmas. This treatment is further examined and is found to give rise to unphysical behavior for various elements at certain values of the density and temperature where the Coulomb coupling begins to become significant and the atoms are partially ionized. We examine the source of this unphysical behavior and suggest corrections that produce acceptable results. The sensitivity of the thermodynamic properties and frequency-dependent opacity of iron is examined with and without these corrections. The corrected EOS is used to determine the fractional ion populations and level populations for a new generation of OPLIB low-Z opacity tables currently being prepared at Los Alamos National Laboratory with the ATOMIC code. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Kilcrease, D. P.; Colgan, J.; Sherrill, M. E.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Hakel, P.; Fontes, C. J.] Los Alamos Natl Lab, Computat Phys Div, Los Alamos, NM 87545 USA.
RP Kilcrease, DP (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM dpk@lanl.gov
OI Hakel, Peter/0000-0002-7936-4231; Kilcrease, David/0000-0002-2319-5934
FU U.S. Department of Energy [DEAC52-06NA25396]
FX The Los Alamos National Laboratory is operated by Los Alamos National
Security, LLC for the National Nuclear Security Administration of the
U.S. Department of Energy under Contract No. DEAC52-06NA25396.
NR 12
TC 3
Z9 3
U1 1
U2 4
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1574-1818
EI 1878-0563
J9 HIGH ENERG DENS PHYS
JI High Energy Density Phys.
PD SEP
PY 2015
VL 16
BP 36
EP 40
DI 10.1016/j.hedp.2015.05.005
PG 5
WC Physics, Fluids & Plasmas
SC Physics
GA CP7US
UT WOS:000360094800007
ER
PT J
AU Fontes, CJ
Fryer, CL
Hungerford, AL
Hakel, P
Colgan, J
Kilcrease, DP
Sherrill, ME
AF Fontes, C. J.
Fryer, C. L.
Hungerford, A. L.
Hakel, P.
Colgan, J.
Kilcrease, D. P.
Sherrill, M. E.
TI Relativistic opacities for astrophysical applications
SO HIGH ENERGY DENSITY PHYSICS
LA English
DT Article
DE Relativistic atomic data; LTE opacities; Neutron star mergers
ID COMPACT OBJECT MERGERS; NEUTRON-STAR MERGERS; HIGHLY-CHARGED IONS;
R-PROCESS; FE-XVII; STELLAR ENVELOPES; ATOMIC-STRUCTURE; TRANSIENTS
AB We report on the use of the Los Alamos suite of relativistic atomic physics codes to generate radiative opacities for the modeling of astrophysically relevant plasmas under local thermodynamic equilibrium (LTE) conditions. The atomic structure calculations are carried out in fine-structure detail, including full configuration interaction. Three example applications are considered: iron opacities at conditions relevant to the base of the solar convection zone, nickel opacities for the modeling of stellar envelopes, and samarium opacities for the modeling of light curves produced by neutron star mergers. In the first two examples, comparisons are made between opacities that are generated with the fully and semi-relativistic capabilities in the Los Alamos suite of codes. As expected for these highly charged, iron-peak ions, the two methods produce reasonably similar results, providing confidence that the numerical methods have been correctly implemented. However, discrepancies greater than 10% are observed for nickel and investigated in detail. In the final application, the relativistic capability is used in a preliminary investigation of the complicated absorption spectrum associated with cold lanthanide elements. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Fontes, C. J.; Fryer, C. L.; Hungerford, A. L.; Hakel, P.; Colgan, J.; Kilcrease, D. P.; Sherrill, M. E.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Fontes, CJ (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM cjf@lanl.gov
OI Hakel, Peter/0000-0002-7936-4231; Kilcrease, David/0000-0002-2319-5934
FU U.S. Department of Energy by Los Alamos National Laboratory
[DE-AC52-06NA25396]
FX This work was performed under the auspices of the U.S. Department of
Energy by Los Alamos National Laboratory under Contract No.
DE-AC52-06NA25396.
NR 29
TC 4
Z9 4
U1 2
U2 9
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1574-1818
EI 1878-0563
J9 HIGH ENERG DENS PHYS
JI High Energy Density Phys.
PD SEP
PY 2015
VL 16
BP 53
EP 59
DI 10.1016/j.hedp.2015.06.002
PG 7
WC Physics, Fluids & Plasmas
SC Physics
GA CP7US
UT WOS:000360094800009
ER
PT J
AU Sun, XS
Asadpour, R
Nie, WY
Mohite, AD
Alam, MA
AF Sun, Xingshu
Asadpour, Reza
Nie, Wanyi
Mohite, Aditya D.
Alam, Muhammad Ashraful
TI A Physics-Based Analytical Model for Perovskite Solar Cells
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE Analytical model; characterization; drift-diffusion; panel simulation
ID DEPENDENT PHOTOCURRENT COLLECTION; HALIDE PEROVSKITES; EFFICIENCY;
VOLTAGE; MODULES; PHOTOVOLTAICS; HYSTERESIS; SIMULATION; TRANSPORT;
ABSORBER
AB Perovskites are promising next-generation absorber materials for low-cost and high-efficiency solar cells. Although perovskite cells are configured similar to the classical solar cells, their operation is unique and requires development of a new physical model for characterization, optimization of the cells, and prediction of the panel performance. In this paper, we develop such a physics-based analytical model to describe the operation of different types of perovskite solar cells, explicitly accounting for nonuniform generation, carrier selective transport layers, and voltage-dependent carrier collection. The model would allow experimentalists to characterize key parameters of existing cells, understand performance bottlenecks, and predict performance of perovskite-based solar panel-the obvious next step to the evolution of perovskite solar cell technology.
C1 [Sun, Xingshu; Asadpour, Reza; Alam, Muhammad Ashraful] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA.
[Nie, Wanyi; Mohite, Aditya D.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
RP Sun, XS (reprint author), Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA.
EM sunxingshu@gmail.com; rasadpou@purdue.edu; wanyi@lanl.gov;
amohite@lanl.gov; alam@purdue.edu
FU U.S. Department of Energy under DOE Cooperative Agreement
[DE-EE0004946]; National Science Foundation through the NCN-NEEDS
program [1227020-EEC]; Semiconductor Research Corporation
FX This work was supported by the U.S. Department of Energy under DOE
Cooperative Agreement DE-EE0004946 ("PVMI Bay Area PV Consortium"), the
National Science Foundation through the NCN-NEEDS program under Contract
1227020-EEC, and by the Semiconductor Research Corporation.
NR 40
TC 11
Z9 11
U1 5
U2 63
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD SEP
PY 2015
VL 5
IS 5
BP 1389
EP 1394
DI 10.1109/JPHOTOV.2015.2451000
PG 6
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA CQ2ND
UT WOS:000360436800017
ER
PT J
AU Abusnina, M
Matin, M
Moutinho, HR
Blackburn, JL
Alleman, J
DeHart, C
To, B
Al-Jassim, M
AF Abusnina, Mohamed
Matin, Mohammad
Moutinho, Helio R.
Blackburn, Jeffrey L.
Alleman, Jeffrey
DeHart, Clay
To, Bobby
Al-Jassim, Mowafak
TI Suppression of the Cu2-xS Secondary Phases in CZTS Films Through
Controlling the Film Elemental Composition
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE Cu2ZnSnS4; CZTS; electron back-scattered diffraction (EBSD); Raman
scattering; sputtering; sulfurization; thin films
ID CU2ZNSNS4 THIN-FILMS; PULSED-LASER DEPOSITION; SOLAR-CELLS;
OPTICAL-PROPERTIES; METAL PRECURSORS; SULFURIZATION; FABRICATION
AB Kesterite Cu2ZnSnS4 (CZTS) thin films were grown by the sulfurization of stacked metal precursors deposited using radio-frequency magnetron sputtering on Mo-coated soda-lime glass substrates. In this paper, we report the role of the film chemical composition in the evolution of Cu2-xS phases and how to avoid their development through controlling the film composition. Furthermore, the effect of the elemental concentration on the structural and morphological properties of the final CZTS films has been investigated. The prepared CZTS films have a composition ratio M= Cu/(Zn + Sn) varying from 0.81 (Cu-poor) to 1.05 (Cu-rich). X-ray diffraction and Raman scattering studies revealed the presence of Cu2-x S phases in films with a Cu/(Zn + Sn) ratio higher than 1.00 and/or in films with a Sn/Cu ratio close to or less than the stoichiometric value of 0.50. However, Cu2-x S-phases-free CZTS films were achieved with Sn/Cu ratios sufficiently above 50% without regard to the Cu/(Zn + Sn) ratio. Plan and cross-sectional scanning electron microscopy showed compact films, in general. Electron back-scattered diffraction revealed randomly oriented CZTS films.
C1 [Abusnina, Mohamed; To, Bobby; Al-Jassim, Mowafak] Natl Renewable Energy Lab, Measurement & Characterizat Dept, Golden, CO 80401 USA.
[Matin, Mohammad] Univ Denver, Elect & Comp Engn Dept, Denver, CO 80208 USA.
[Moutinho, Helio R.; Blackburn, Jeffrey L.; Alleman, Jeffrey; DeHart, Clay] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Abusnina, M (reprint author), Natl Renewable Energy Lab, Measurement & Characterizat Dept, Golden, CO 80401 USA.
EM abusninam@yahoo.com; mohammad.matin@du.edu; helio.moutinho@nrel.gov;
jeffrey.blackburn@nrel.gov; jefferey.alleman@nrel.gov;
Clay.DeHart@nrel.gov; Bobby.To@nrel.gov; mowafak.algassim@nrel.gov
FU U.S. Department of Energy [DE-AC36-08GO28308]
FX This work was supported by the U.S. Department of Energy under Contract
DE-AC36-08GO28308 to the National Renewable Energy Laboratory.
NR 27
TC 0
Z9 0
U1 3
U2 23
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD SEP
PY 2015
VL 5
IS 5
BP 1470
EP 1475
DI 10.1109/JPHOTOV.2015.2447834
PG 6
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA CQ2ND
UT WOS:000360436800028
ER
PT J
AU Lloyd, MA
Siah, SC
Brandt, RE
Serdy, J
Johnston, SW
Hofstetter, J
Lee, YS
McCandless, B
Buonassisi, T
AF Lloyd, Michael A.
Siah, Sin-Cheng
Brandt, Riley E.
Serdy, James
Johnston, Steve W.
Hofstetter, Jasmin
Lee, Yun Seog
McCandless, Brian
Buonassisi, Tonio
TI Two-Step Annealing Study of Cuprous Oxide for Photovoltaic Applications
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE Annealing; charge carrier density; charge carrier mobility; copper
compounds; photoconductivity; photovoltaic cells; X-ray diffraction
ID SOLAR-CELLS; BUFFER LAYER; CU2O
AB The properties of large grain cuprous oxide (Cu2O) foils are explored after the implementation of a controlled post-growth annealing process. P-type foils with a wide range of carrier density are demonstrated, enabling a promising processing window for wide bandgap solar cell devices. Hall measurements at room temperature show increased majority carrier concentration after nitrogen annealing and a reduction in mobility. The progressive change in resistivity with annealing temperature is shown, with values approaching 100 Omega.cm. Carrier recombination, measured by microwave photoconductance decay, shows a discrete change upon annealing.
C1 [Lloyd, Michael A.; Siah, Sin-Cheng; Brandt, Riley E.; Serdy, James; Hofstetter, Jasmin; Lee, Yun Seog; Buonassisi, Tonio] MIT, Cambridge, MA 02139 USA.
[Johnston, Steve W.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[McCandless, Brian] Inst Energy Convers, Newark, DE 19711 USA.
RP Lloyd, MA (reprint author), MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA.
EM mlloyd@udel.edu; sincheng@alum.mit.edu; rbrandt@mit.edu; serdy@mit.edu;
steve.johnston@nrel.gov; jhofstet@mit.edu; leeys@mit.edu; bem@udel.edu;
buonas-sisi@mit.edu
FU National Research Foundation Singapore through Singapore Massachusetts
Institute of Technology (MIT) Alliance for Research and Technology's Low
Energy Electronic Systems research program; National Science Foundation
(NSF) [ECCS-1150878, DMR-0819762, ECS-0335765]; National Renewable
Energy Laboratory (NREL) [De-AC36-08-GO28308]; U.S. Department of Energy
[DE-AC36-08GO28308]; Government of India through Department of Science
and Technology; NSF Graduate Research Fellowship; NRF Singapore
FX This work was supported by the National Research Foundation Singapore
through the Singapore Massachusetts Institute of Technology (MIT)
Alliance for Research and Technology's Low Energy Electronic Systems
research program, the National Science Foundation (NSF) CAREER Award
ECCS-1150878, the National Renewable Energy Laboratory (NREL) as a part
of the Non-Proprietary Partnering Program under Contract
De-AC36-08-GO28308 with the U.S. Department of Energy, the US-India
Partnership to Advance Clean Energy-Research (PACE-R) for the Solar
Energy Research Institute for India and the United States funded jointly
by the U.S. Department of Energy under Subcontract DE-AC36-08GO28308 and
the Government of India, through the Department of Science and
Technology under Subcontract IUSSTF/JCERDC-SERIIUS/2012 dated 22nd Nov.
2012. This work made use of the Microsystems Technology Laboratories,
MIT, and the Center for Nanoscale Systems, Harvard University, supported
by National Science Foundation (NSF) Awards DMR-0819762 and ECS-0335765,
respectively. An NSF Graduate Research Fellowship (R.E.B.) and a Clean
Energy Scholarship from NRF Singapore (S.C.S.) are acknowledged.
NR 13
TC 1
Z9 1
U1 2
U2 22
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD SEP
PY 2015
VL 5
IS 5
BP 1476
EP 1481
DI 10.1109/JPHOTOV.2015.2455332
PG 6
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA CQ2ND
UT WOS:000360436800029
ER
PT J
AU Paudel, NR
Poplawsky, JD
Moore, KL
Yan, YF
AF Paudel, Naba R.
Poplawsky, Jonathan D.
Moore, Karren L.
Yan, Yanfa
TI Current Enhancement of CdTe-Based Solar Cells
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE CdSe; close-space sublimation (CSS); thin film; window layer
AB We report on the realization of CdTe solar cell photocurrent enhancement using an n-type CdSe heterojunction partner sputtered on commercial SnO2/SnO2:F coated soda-lime glass substrates. With high-temperature close-space sublimation CdTe deposition followed by CdCl2 activation, this thin-film stack allows for substantial interdiffusion at the CdSe/CdTe interface facilitating a CdSexTe1-x alloy formation. The bowing effect causes a reduced optical bandgap of the alloyed absorber layer and, therefore, leads to current enhancement in the long-wavelength region and a decrease in open-circuit voltage (V-OC). To overcome theV(OC) loss and maintain a high short-circuit current (J(SC)), the CdTe cell configuration has been modified using combined CdS: O/CdSe window layers. The new device structure has demonstrated enhanced collection from both short-and long-wavelength regions as well as a V-OC improvement. With an optimized synthesis process, a small-area cell using CdS: O/CdSe window layer showed an efficiency of 15.2% with a V-OC of 831 mV, a J(SC) of 26.3 mA/cm(2), and a fill factor of 69.5%, measured under an AM1.5 illumination without antireflection coating. The results provide new directions for further improvement of CdTe-based solar cells.
C1 [Paudel, Naba R.] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA.
[Paudel, Naba R.; Yan, Yanfa] Univ Toledo, Wright Ctr Photovolta Innovat & Commercializat, Toledo, OH 43606 USA.
[Poplawsky, Jonathan D.; Moore, Karren L.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Paudel, NR (reprint author), Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA.
EM naba.paudel@utoledo.edu; poplawskyjd@ornl.gov; morekl1@ornl.gov;
yanfa.yan@utoledo.edu
RI Poplawsky, Jonathan/Q-2456-2015
OI Poplawsky, Jonathan/0000-0002-4272-7043
FU Department of Energy (DOE) F PACE program; ORNL's Center for Nanophase
Materials Sciences; U.S. Department of Energy [DE-AC05-00OR22725]
FX This work was supported in part by Department of Energy (DOE) F PACE
program and by ORNL's Center for Nanophase Materials Sciences, which is
a DOE Office of Science User Facility. This paper has been authored by
UT-Battelle, LLC under Contract DE-AC05-00OR22725 with the U.S.
Department of Energy. The United States Government retains and the
publisher, by accepting the article for publication, acknowledges that
the United States Government retains a nonexclusive, paid-up,
irrevocable, world-wide license to publish or reproduce the published
form of this paper, or allow others to do so, for United States
Government purposes. The Department of Energy will provide public access
to these results of federally sponsored research in accordance with the
DOE Public Access Plan
(http://energy.gov/downloads/doe-public-access-plan).
NR 16
TC 4
Z9 4
U1 5
U2 47
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD SEP
PY 2015
VL 5
IS 5
BP 1492
EP 1496
DI 10.1109/JPHOTOV.2015.2458040
PG 5
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA CQ2ND
UT WOS:000360436800032
ER
PT J
AU Overholt, P
Ortiz, D
Silverstein, A
AF Overholt, Phil
Ortiz, David
Silverstein, Alison
TI Synchrophasor Technology and the DOE
SO IEEE POWER & ENERGY MAGAZINE
LA English
DT Article
C1 [Overholt, Phil; Ortiz, David] US DOE, Washington, DC 20585 USA.
[Silverstein, Alison] North Amer SynchroPhasor Initiat, Pflugerville, TX USA.
RP Overholt, P (reprint author), US DOE, Washington, DC 20585 USA.
NR 1
TC 0
Z9 0
U1 1
U2 1
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1540-7977
EI 1558-4216
J9 IEEE POWER ENERGY M
JI IEEE Power Energy Mag.
PD SEP-OCT
PY 2015
VL 13
IS 5
BP 14
EP 17
DI 10.1109/MPE.2015.2431211
PG 4
WC Engineering, Electrical & Electronic
SC Engineering
GA CP7NM
UT WOS:000360074900002
ER
PT J
AU Fahimi, B
Mohammed, O
Toliyat, H
Kirtley, J
Pekarek, S
Parsa, L
Hameyer, K
Sarikhani, A
Muljadi, E
Hendershot, J
AF Fahimi, Babak
Mohammed, Osama
Toliyat, Hamid
Kirtley, James
Pekarek, Steven
Parsa, Leila
Hameyer, Kay
Sarikhani, Ali
Muljadi, Eduard
Hendershot, Jim
TI Guest Editorial Optimal Design of Electric Machines
SO IEEE TRANSACTIONS ON ENERGY CONVERSION
LA English
DT Editorial Material
C1 [Fahimi, Babak] Univ Texas Dallas, Richardson, TX 75080 USA.
[Mohammed, Osama] Florida Int Univ, Miami, FL 33199 USA.
[Toliyat, Hamid] Texas A&M Univ, College Stn, TX 77843 USA.
[Kirtley, James] MIT, Cambridge, MA 02139 USA.
[Pekarek, Steven] Purdue Univ, W Lafayette, IN 47907 USA.
[Parsa, Leila] Rensselaer Polytech Inst, Troy, NY 12180 USA.
[Hameyer, Kay] Rhein Westfal TH Aachen, D-52062 Aachen, Germany.
[Sarikhani, Ali] Whirlpool Corp, Benton Harbor, MI 49022 USA.
[Muljadi, Eduard] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Hendershot, Jim] Motorsolver LLC, Crestwood, KY 40014 USA.
RP Fahimi, B (reprint author), Univ Texas Dallas, Richardson, TX 75080 USA.
EM fahimi@utdallas.edu
RI Mohammed, Osama/L-7113-2015
OI Mohammed, Osama/0000-0002-2586-4046
NR 0
TC 1
Z9 1
U1 0
U2 2
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8969
EI 1558-0059
J9 IEEE T ENERGY CONVER
JI IEEE Trans. Energy Convers.
PD SEP
PY 2015
VL 30
IS 3
BP 1143
EP 1143
DI 10.1109/TEC.2015.2458232
PG 1
WC Energy & Fuels; Engineering, Electrical & Electronic
SC Energy & Fuels; Engineering
GA CQ2NZ
UT WOS:000360439300037
ER
PT J
AU Powell, JD
Hutchison, JR
Hess, BM
Straub, TM
AF Powell, J. D.
Hutchison, J. R.
Hess, B. M.
Straub, T. M.
TI Bacillus anthracis spores germinate extracellularly at air-liquid
interface in an invitro lung model under serum-free conditions
SO JOURNAL OF APPLIED MICROBIOLOGY
LA English
DT Article
DE anthrax; Bacillus anthracis; germination; lung epithelial; spore; Sterne
ID EPITHELIAL-CELLS; INHALATIONAL ANTHRAX; MAMMALIAN-CELLS; DISSEMINATION;
GLUTAMINE; GROWTH; RESISTANCE; ENTRY; HOST; ACID
AB AimsTo better understand the parameters that govern spore dissemination after lung exposure using invitro cell systems.
Methods and ResultsWe evaluated the kinetics of uptake, germination and proliferation of Bacillus anthracis Sterne spores in association with human primary lung epithelial cells, Calu-3 and A549 cell lines. We also analysed the influence of various cell culture medium formulations related to spore germination.
ConclusionsWe found negligible spore uptake by epithelial cells, but germination and proliferation of spores in the serum-free extracellular environment was evident. Spore germination was appreciably higher in immortalized cell cultures than in primary epithelial cells. Additionally, spores still germinated apically at a mucus-secreting air-liquid interface lung barrier that was devoid of cell culture medium much earlier than medium-only controls.
Significance and Impact of the StudyThe role of lung epithelial cells in B.anthracis spore dissemination after inhalation remains poorly defined and rather controversial. These results are novel as they show spore germination is appreciably enhanced in the presence of lung cells invitro, however, the cell line and cell state (air-liquid interface vs submerged in medium) dictates the extent of germination and in some cases proliferation.
C1 [Powell, J. D.; Hutchison, J. R.; Hess, B. M.; Straub, T. M.] Pacific NW Natl Lab, Chem & Biol Signature Sci Grp, Richland, WA 99352 USA.
RP Powell, JD (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd,POB 999,MSIN P7-50, Richland, WA 99352 USA.
EM joshua.powell@pnnl.gov
FU Department of Energy's Office of Biological and Environmental Research
[48446]; Department of Homeland Security, Science and Technology
Directorate [HSHQPM-14-X-00037]; United States Department of Energy
[DE-AC06-76RLO]
FX Part of the research was performed using the Environmental Molecular
Science Laboratory (EMSL), a national scientific user facility sponsored
by the Department of Energy's Office of Biological and Environmental
Research and located at Pacific Northwest National Laboratory under EMSL
user proposal 48446. The Department of Homeland Security, Science and
Technology Directorate provided funding for this research through
contract HSHQPM-14-X-00037 to Pacific Northwest National Laboratory.
Pacific Northwest National Laboratory is operated by Battelle Memorial
Institute for the United States Department of Energy under contract
DE-AC06-76RLO.
NR 34
TC 1
Z9 1
U1 0
U2 12
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1364-5072
EI 1365-2672
J9 J APPL MICROBIOL
JI J. Appl. Microbiol.
PD SEP
PY 2015
VL 119
IS 3
BP 711
EP 723
DI 10.1111/jam.12872
PG 13
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA CP9RA
UT WOS:000360231000010
PM 26075586
ER
PT J
AU Hossain, A
Bolotnikov, AE
Camarda, GS
Cui, Y
Gul, R
Kim, KH
Roy, UN
Tong, X
Yang, G
James, RB
AF Hossain, A.
Bolotnikov, A. E.
Camarda, G. S.
Cui, Y.
Gul, R.
Kim, K. -H.
Roy, U. N.
Tong, X.
Yang, G.
James, R. B.
TI Analysis of Defects on Chemically-Treated CdZnTe Surfaces
SO JOURNAL OF ELECTRONIC MATERIALS
LA English
DT Article; Proceedings Paper
CT US Workshop on the Physics and Chemistry of II-VI Materials
CY OCT 20-23, 2014
CL Baltimore, MD
SP US Army RDECOM CERDEC Night Vision & Elect Sensors Directorate, US Army Res Lab, US Army SMDC, Penn State Univ, US Navy Electro-Opt Ctr, Off Naval Res, AF Res Lab, Army Res Off, Minerals, Metal & Mat Soc
DE CdZnTe; substrate and radiation detector; dislocations; chemo-mechanical
polishing; metal-semiconductor interface
ID RADIATION DETECTORS; CRYSTAL-GROWTH; PERFORMANCE
AB In this work, we focused on investigating the various defects that extend into the near-surface region of CdZnTe (CZT) crystals, and on exploring processing techniques for producing a smooth, non-conductive surface that is ideal for growing thin films and depositing contacts. We determined the surface's features and the chemical species present using atomic-force microscopy, x-ray photoelectron spectroscopy, and scanning electron microscopy (SEM), coupled with energy-dispersive spectroscopy. We revealed crystallographic defects, e.g., sub-grains and dislocations on the CZT crystals' surfaces, after employing selected chemical etchants, and then characterized them using optical microscopy, SEM and optical profilometer. Our experimental data imply that the surface defects and chemical species induced by chemical processing may alter the material's interfacial behavior, and ultimately significantly influence the performance of radiation detectors.
C1 [Hossain, A.; Bolotnikov, A. E.; Camarda, G. S.; Cui, Y.; Gul, R.; Roy, U. N.; Tong, X.; Yang, G.; James, R. B.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Kim, K. -H.] Korea Univ, Dept Radiol Sci, Seoul 136703, South Korea.
RP Hossain, A (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM hossain@bnl.gov
NR 9
TC 0
Z9 0
U1 2
U2 24
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0361-5235
EI 1543-186X
J9 J ELECTRON MATER
JI J. Electron. Mater.
PD SEP
PY 2015
VL 44
IS 9
BP 3018
EP 3022
DI 10.1007/s11664-015-3742-4
PG 5
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Applied
SC Engineering; Materials Science; Physics
GA CQ0TX
UT WOS:000360311300010
ER
PT J
AU Egarievwe, SU
Hossain, A
Okwechime, IO
Gul, R
James, RB
AF Egarievwe, Stephen U.
Hossain, Anwar
Okwechime, Ifechukwude O.
Gul, Rubi
James, Ralph B.
TI Effects of Chemomechanical Polishing on CdZnTe X-ray and Gamma-Ray
Detectors
SO JOURNAL OF ELECTRONIC MATERIALS
LA English
DT Article; Proceedings Paper
CT US Workshop on the Physics and Chemistry of II-VI Materials
CY OCT 20-23, 2014
CL Baltimore, MD
SP US Army RDECOM CERDEC Night Vision & Elect Sensors Directorate, US Army Res Lab, US Army SMDC, Penn State Univ, US Navy Electro-Opt Ctr, Off Naval Res, AF Res Lab, Army Res Off, Minerals, Metal & Mat Soc
DE CdZnTe; chemomechanical polishing; leakage current; spectral response;
x-ray photoelectron spectroscopy
ID CADMIUM ZINC TELLURIDE; RADIATION DETECTORS; CDTE; PERFORMANCE;
PASSIVATION
AB Mechanically polishing cadmium zinc telluride (CdZnTe) wafers for x-ray and gamma-ray detectors often is inadequate in removing surface defects caused by cutting them from the ingots. Fabrication-induced defects, such as surface roughness, dangling bonds, and nonstoichiometric surfaces, often are reduced through polishing and etching the surface. In our earlier studies of mechanical polishing with alumina powder, etching with hydrogen bromide in hydrogen peroxide solution, and chemomechanical polishing with bromine-methanol-ethylene glycol solution, we found that the chemomechanical polishing process produced the least surface leakage current. In this research, we focused on using two chemicals to chemomechanically polish CdZnTe wafers after mechanical polishing, viz. bromine-methanol-ethylene glycol (BME) solution, and hydrogen bromide (HBr) in a hydrogen peroxide and ethylene-glycol solution. We used x-ray photoelectron spectroscopy (XPS), current-voltage (I-V) measurements, and Am-241 spectral response measurements to characterize and compare the effects of each solution. The results show that the HBr-based solution produced lower leakage current than the BME solution. Results from using the same chemomechanical polishing solution on two samples confirmed that the surface treatment affects the measured bulk current (a combination of bulk and surface currents). XPS results indicate that the tellurium oxide to tellurium peak ratios for the mechanical polishing process were reduced significantly by chemomechanical polishing using the BME solution (78.9% for Te 3d O-5/2(2) and 76.7% for Te 3d O-3/2(2)) compared with the HBr-based solution (27.6% for Te 3d O-5/2(2) and 35.8% for Te 3d O-3/2(2)). Spectral response measurements showed that the 59.5-keV peak of Am-241 remained under the same channel number for all three CdZnTe samples. While the BME-based solution gave a better performance of 7.15% full-width at half-maximum (FWHM) compared with 7.59% FWHM for the HBr-based solution, the latter showed a smaller variation in performance of 0.39% FWHM over 7 days compared with 0.69% for the BME-based solution.
C1 [Egarievwe, Stephen U.; Okwechime, Ifechukwude O.; Gul, Rubi] Alabama A&M Univ, Nucl Engn & Radiol Sci Ctr, Normal, AL 35762 USA.
[Egarievwe, Stephen U.; Hossain, Anwar; Gul, Rubi; James, Ralph B.] Brookhaven Natl Lab, Dept Nonproliferat & Natl Secur, Upton, NY 11973 USA.
RP Egarievwe, SU (reprint author), Alabama A&M Univ, Nucl Engn & Radiol Sci Ctr, Normal, AL 35762 USA.
EM stephen.egarievwe@aamu.edu
FU US Department of Homeland Security, Domestic Nuclear Detection Office,
under contract/IAA [2012-DN-077-ARI065-03]; US Nuclear Regulatory
Commission [NRC-27-10-514]; US Department of Energy Office of Defense
Nuclear Nonproliferation RD
FX This work has been supported by the US Department of Homeland Security,
Domestic Nuclear Detection Office, under competitively awarded
contract/IAA award number 2012-DN-077-ARI065-03. Alabama A&M University
researchers were also supported by the US Nuclear Regulatory Commission
through award number NRC-27-10-514, and BNL scientists received support
from the US Department of Energy Office of Defense Nuclear
Nonproliferation R&D. These supports do not constitute an expressed or
implied endorsement by the US Government.
NR 19
TC 2
Z9 2
U1 2
U2 22
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0361-5235
EI 1543-186X
J9 J ELECTRON MATER
JI J. Electron. Mater.
PD SEP
PY 2015
VL 44
IS 9
BP 3194
EP 3201
DI 10.1007/s11664-015-3881-7
PG 8
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Applied
SC Engineering; Materials Science; Physics
GA CQ0TX
UT WOS:000360311300034
ER
PT J
AU Farrell, S
Barnes, T
Metzger, WK
Park, JH
Kodama, R
Sivananthan, S
AF Farrell, S.
Barnes, T.
Metzger, W. K.
Park, J. H.
Kodama, R.
Sivananthan, S.
TI In Situ Arsenic Doping of CdTe/Si by Molecular Beam Epitaxy
SO JOURNAL OF ELECTRONIC MATERIALS
LA English
DT Article; Proceedings Paper
CT US Workshop on the Physics and Chemistry of II-VI Materials
CY OCT 20-23, 2014
CL Baltimore, MD
SP US Army RDECOM CERDEC Night Vision & Elect Sensors Directorate, US Army Res Lab, US Army SMDC, Penn State Univ, US Navy Electro-Opt Ctr, Off Naval Res, AF Res Lab, Army Res Off, Minerals, Metal & Mat Soc
DE Molecular beam epitaxy; CdTe; arsenic doping; SIMS; photovoltaics; II-VI
AB p-Type doping of the absorbed layer has been a significant challenge for CdTe solar cells. In this work, we report on in situ arsenic doping of molecular beam epitaxy (MBE) CdTe grown on Si(211) and the use of a cadmium overpressure to enhance incorporation. When growing CdTe:As without a Cd overpressure, extremely high As fluxes are required to achieve noticeable amounts of arsenic incorporation. By supplying a Cd flux during growth, the As incorporation increases by an order of magnitude. By including a Cd overpressure during growth, we have obtained single-crystal CdTe:As films with As incorporation concentration of . An activation anneal was performed on these films in a rapid thermal annealing furnace, resulting in p-type layers with net carrier concentration of similar to 5 x 10(16) cm(-3).
C1 [Farrell, S.; Barnes, T.; Metzger, W. K.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Park, J. H.; Kodama, R.; Sivananthan, S.] EPIR Technol Inc, Bolingbrook, IL 60440 USA.
RP Farrell, S (reprint author), Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA.
EM stuart.farrell@nrel.gov
FU US Department of Energy [DE-AC36-08-GO28308]; National Renewable Energy
Laboratory
FX The work was support by the US Department of Energy under Contract No.
DE-AC36-08-GO28308 with the National Renewable Energy Laboratory. SIMS
measurements were provide by Dr. A. Wang at Evans Analytical Group.
NR 7
TC 1
Z9 1
U1 0
U2 11
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0361-5235
EI 1543-186X
J9 J ELECTRON MATER
JI J. Electron. Mater.
PD SEP
PY 2015
VL 44
IS 9
BP 3202
EP 3206
DI 10.1007/s11664-015-3913-3
PG 5
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Applied
SC Engineering; Materials Science; Physics
GA CQ0TX
UT WOS:000360311300035
ER
PT J
AU Duff, MC
Washington, AL
Teague, LC
Wright, JS
Burger, A
Groza, M
Buliga, V
AF Duff, Martine C.
Washington, Aaron L.
Teague, Lucile C.
Wright, Jonathan S.
Burger, Arnold
Groza, Michael
Buliga, Vladimir
TI Use of Sub-bandgap Illumination to Improve Radiation Detector Resolution
of CdZnTe
SO JOURNAL OF ELECTRONIC MATERIALS
LA English
DT Article; Proceedings Paper
CT US Workshop on the Physics and Chemistry of II-VI Materials
CY OCT 20-23, 2014
CL Baltimore, MD
SP US Army RDECOM CERDEC Night Vision & Elect Sensors Directorate, US Army Res Lab, US Army SMDC, Penn State Univ, US Navy Electro-Opt Ctr, Off Naval Res, AF Res Lab, Army Res Off, Minerals, Metal & Mat Soc
DE Electrooptic effect; charge collection; secondary phases
ID CADMIUM-ZINC-TELLURIDE; GAMMA-RAY DETECTORS; ELECTRIC-FIELD;
PERFORMANCE; CDTE
AB The performance of Cd1-x Zn (x) Te (CZT) materials for room-temperature gamma/x-ray radiation detection continues to improve in terms of material quality and detector design. In our prior publications, we investigated the use of multiple wavelengths of light (in the visible and infrared) to target charge carriers at various trap energies and physical positions throughout crystals. Light exposure significantly alters the charge mobility and improves carrier collection at the anode contact. This study presents an investigation of material performance as a radiation detector during such illumination. The decrease in charge trapping and increase in charge collection due to a higher probability of free electron release from traps contributed to an increase in the resolution-based performance of the detector through controlled illumination. We investigated the performance improvement of CZT crystals with previously known levels of intrinsic defects and secondary phases, at various voltages, light-emitting diode (LED) light wavelengths, and shaping times. Although our setup was clearly not optimized for radiation detector performance, it demonstrated substantial resolution improvements (based on full-width at half-maximum using 662-keV gamma rays from Cs-137 upon illumination with 950-nm light) of 16% to 38% in comparison with unilluminated CZT under similar conditions. This manuscript includes discussion of the electrooptic behavior and its effect on performance. Additional testing and fabrication of a detector that incorporates such LED light optimization could lead to improved performance with existing detector-grade materials.
C1 [Duff, Martine C.; Washington, Aaron L.; Teague, Lucile C.; Wright, Jonathan S.] Savannah River Natl Lab, Aiken, SC 29808 USA.
[Burger, Arnold; Groza, Michael; Buliga, Vladimir] Fisk Univ, Nashville, TN 37208 USA.
RP Duff, MC (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM martine.duff@srnl.doe.gov
FU US Dept. of Energy (DOE) [DE-AC09-08SR22470]; USDOE-National Nuclear
Security Administration through Office of Defense Nuclear
Nonproliferation Research and Development-NA-22 [DE-FG52-05NA27035];
National Science Foundation through Fisk University Center for Physics
and Chemistry of Materials (CPCoM); CREST Program [CA: HRD-0420516]
FX This project was conducted in conjunction with work accomplished under
Contract No. DE-AC09-08SR22470 with the US Dept. of Energy (DOE). This
work was supported by the USDOE-National Nuclear Security Administration
through the Office of Defense Nuclear Nonproliferation Research and
Development-NA-22 (Grant No. DE-FG52-05NA27035) and the National Science
Foundation through the Fisk University Center for Physics and Chemistry
of Materials (CPCoM), Cooperative Agreement CA: HRD-0420516 (CREST
Program). We thank Redlen Technologies for supplying the crystals for
our studies.
NR 33
TC 0
Z9 0
U1 1
U2 12
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0361-5235
EI 1543-186X
J9 J ELECTRON MATER
JI J. Electron. Mater.
PD SEP
PY 2015
VL 44
IS 9
BP 3207
EP 3213
DI 10.1007/s11664-015-3926-y
PG 7
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Applied
SC Engineering; Materials Science; Physics
GA CQ0TX
UT WOS:000360311300036
ER
PT J
AU VanZwieten, J
McAnally, W
Ahmad, J
Davis, T
Martin, J
Bevelhimer, M
Cribbs, A
Lippert, R
Hudon, T
Trudeau, M
AF VanZwieten, James
McAnally, William
Ahmad, Jameel
Davis, Trey
Martin, James
Bevelhimer, Mark
Cribbs, Allison
Lippert, Renee
Hudon, Thomas
Trudeau, Matthew
TI In-Stream Hydrokinetic Power: Review and Appraisal
SO JOURNAL OF ENERGY ENGINEERING
LA English
DT Article
DE Hydropower; Hydrokinetic; Streams; Tidal power; River power; Ocean
current energy; Marine renewable energy; In-stream hydro
ID COORDINATE OCEAN MODEL; ENERGY; CAVITATION; RESOURCE; TURBINES;
CURRENTS; SYSTEM; HYCOM
AB The objective of this paper is to provide a review of in-stream hydrokinetic power, which is defined as electric power generated by devices capturing the energy of naturally flowing water-stream, tidal, or open ocean flows-without impounding the water. North America has significant in-stream energy resources, and hydrokinetic electric power technologies to harness those resources have the potential to make a significant contribution to U.S. electricity needs by adding as much as 120 TWh/year from rivers alone to the present hydroelectric power generation capacity. Additionally, tidal and ocean current resources in the U.S. respectively contain 438 TWh/year and 163 TWh/year of extractable power. Among their attractive features, in-stream hydrokinetic operations do not contribute to greenhouse gas emissions or other air pollution and have less visual impact than wind turbines. Since these systems do no utilize dams the way traditional hydropower systems typically do, their impact on the environment will differ, and a small but growing number of studies support conclusions regarding those impacts. Potential environmental impacts include altered water quality, altered sediment deposition, altered habitats, direct impact on biota, and navigability of waterways. (C) 2014 American Society of Civil Engineers.
C1 [VanZwieten, James] Florida Atlantic Univ, Southeast Natl Marine Renewable Energy Ctr, Boca Raton, FL 33431 USA.
[McAnally, William] Mississippi State Univ, Geosyst Res Inst, Engn, Mississippi State, MS 39762 USA.
[Ahmad, Jameel] Cooper Union Coll, Dept Civil Engn, New York, NY 10003 USA.
[Ahmad, Jameel] Cooper Union Coll, George Fox Chair Urban Infrastruct, New York, NY 10003 USA.
[Davis, Trey] Wavelink Inc, Huntsville, AL 35806 USA.
[Davis, Trey] US Army, Engineer Res & Dev Ctr, Vicksburg, MS 39180 USA.
[Martin, James] Mississippi State Univ, Dept Civil & Environm Engn, Mississippi State, MS 39762 USA.
[Bevelhimer, Mark] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Cribbs, Allison] Ecomerit Technol, Santa Barbara, CA 93101 USA.
[Lippert, Renee] Florida Atlantic Univ, Dept Ocean & Mech Engn, Dania, FL 33004 USA.
[Hudon, Thomas] PCCI Inc, Alexandria, VA 22314 USA.
[Trudeau, Matthew] Boeing Co, Seattle, WA 98124 USA.
RP VanZwieten, J (reprint author), Florida Atlantic Univ, Southeast Natl Marine Renewable Energy Ctr, 777 Glades Rd, Boca Raton, FL 33431 USA.
EM jvanzwi@fau.edu; mcanally@ngi.msstate.edu; ahmad@cooper.edu;
trey.e.davis@us.army.mil; jmartin@cee.msstate.edu;
bevelhimerms@ornl.gov; acribbs@ecomerittech.com;
renee.lippert@gmail.com; thudon@pccii.com; mgtrudeau@gmail.com
NR 66
TC 1
Z9 1
U1 4
U2 52
PU ASCE-AMER SOC CIVIL ENGINEERS
PI RESTON
PA 1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA
SN 0733-9402
EI 1943-7897
J9 J ENERG ENG
JI J. Energy Eng.-ASCE
PD SEP
PY 2015
VL 141
IS 3
AR 04014024
DI 10.1061/(ASCE)EY.1943-7897.0000197
PG 16
WC Energy & Fuels; Engineering, Civil
SC Energy & Fuels; Engineering
GA CP5SY
UT WOS:000359945900016
ER
PT J
AU Zhan, PP
Wang, YL
Zhao, SH
Liu, CY
Wang, YS
Wen, MX
Mao, JH
Wei, GW
Zhang, PJ
AF Zhan, Panpan
Wang, Yuli
Zhao, Shihu
Liu, Chunyan
Wang, Yunshan
Wen, Mingxin
Mao, Jian-Hua
Wei, Guangwei
Zhang, Pengju
TI FBXW7 negatively regulates ENO1 expression and function in colorectal
cancer
SO LABORATORY INVESTIGATION
LA English
DT Article
ID HAPLOINSUFFICIENT TUMOR-SUPPRESSOR; PROTEOMICS-BASED IDENTIFICATION;
ALPHA-ENOLASE; HEPATOCELLULAR-CARCINOMA; QUANTITATIVE PROTEOMICS;
THYROID-CARCINOMA; UBIQUITIN LIGASE; GASTRIC-CANCER; LUNG-CANCER;
TARGETS
AB FBXW7 (F-box and WD40 domain protein 7) is a tumor suppressor frequently inactivated in human cancers. The precise molecular mechanisms by which FBXW7 exerts antitumor activity remain under intensive investigation and are thought to relate in part to FBXW7-mediated destruction of key cancer-relevant proteins. Enolase 1 (ENO1) possesses oncogenic activity and is often overexpressed in various human cancers, besides its critical role in glycolysis. However, the detailed regulatory mechanisms of ENO1 expression remain unclear. Here we show that the elevated expression of ENO1 was identified in FBXW7-depletion HCT116 cells through two-dimensional protein electrophoresis and mass spectrometry assays (2DE-MS). Subsequent western blotting and immunohistochemical assays confirmed that ENO1 expression reversely correlates with FBXW7 expression in several cells and colon cancer tissues. Furthermore, we show that FBXW7 physically binds to ENO1 and targets ENO1 for ubiquitin-mediated degradation. Functionally, we found that FBXW7 suppresses the ENO1-induced gene expression, lactate production, cell proliferation and migration. These findings suggest that ENO1 is a novel substrate of FBXW7, and its activity can be negatively regulated by FBXW7 at the posttranslational level. Our work provides a novel molecular insight into FBXW7-directed tumor suppression through regulation of ENO1.
C1 [Zhan, Panpan; Zhao, Shihu; Liu, Chunyan; Mao, Jian-Hua; Zhang, Pengju] Shandong Univ, Sch Med, Dept Biochem & Mol Biol, Jinan 250012, Shandong, Peoples R China.
[Wang, Yuli; Wang, Yunshan; Wen, Mingxin; Wei, Guangwei] Shandong Univ, Sch Med, Dept Anat, Jinan 250012, Shandong, Peoples R China.
[Wang, Yuli; Wang, Yunshan; Wen, Mingxin; Wei, Guangwei] Shandong Univ, Sch Med, Key Lab Expt Teratol, Minist Educ, Jinan 250012, Shandong, Peoples R China.
[Mao, Jian-Hua] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA 94720 USA.
RP Zhang, PJ (reprint author), Shandong Univ, Sch Med, Dept Biochem & Mol Biol, 44 Wenhua Xi Rd, Jinan 250012, Shandong, Peoples R China.
EM zhpj@sdu.edu.cn
FU National Natural Science Foundation of China [81172528, 31271461,
81472583, 81402193, 81470127]; Taishan Scholar Program of Shandong
Province; National Institutes of Health, National Cancer Institute [R01
CA116481]; Low Dose Scientific Focus Area, Office of Biological and
Environmental Research, US Department of Energy [DE-AC02-05CH11231];
China Postdoctoral Science Foundation [2011M501136, 2012T50616]
FX We thank B Vogelstein for providing us with the HCT116
FBXW7-/- and DLD-1 FBXW7-/- cell lines. This work
was supported by the National Natural Science Foundation of China Nos.
81172528, 31271461 and 81472583 and the Taishan Scholar Program of
Shandong Province (to GW); by the National Institutes of Health,
National Cancer Institute Grant R01 CA116481, and the Low Dose
Scientific Focus Area, Office of Biological and Environmental Research,
US Department of Energy (DE-AC02-05CH11231) (to JHM); by National
Natural Science Foundation of China No. 81402193 (to WYS); and by the
National Natural Science Foundation of China No. 81470127 and China
Postdoctoral Science Foundation Funded Project Nos. 2011M501136 and
2012T50616 (to ZPJ).
NR 39
TC 7
Z9 8
U1 0
U2 5
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 0023-6837
EI 1530-0307
J9 LAB INVEST
JI Lab. Invest.
PD SEP
PY 2015
VL 95
IS 9
BP 995
EP 1004
DI 10.1038/labinvest.2015.71
PG 10
WC Medicine, Research & Experimental; Pathology
SC Research & Experimental Medicine; Pathology
GA CQ2AY
UT WOS:000360402900003
PM 26097998
ER
PT J
AU Merrill, FE
AF Merrill, F. E.
TI Imaging with penetrating radiation for the study of small dynamic
physical processes
SO LASER AND PARTICLE BEAMS
LA English
DT Article
DE Charged particle radiography; Electron radiography; Neutron imaging;
Neutron radiography; Proton radiography
ID PROTON RADIOGRAPHY
AB Since Roentgen's discovery of X rays in the late 1800s the use of penetrating radiation to form images has become a part of our everyday life as well as providing a useful tool for the scientific study of processes that have been previously impossible to measure. This can include the study of processes that are too deeply embedded in opaque materials for direct observation, or that occur on a length or time scale smaller than otherwise can be easily measured. As technologies to generate penetrating radiation and quickly collect images have matured, new techniques have emerged to measure processes that have been hidden for many years. One example is advances in flash radiography using charged particles as radiographic probes, including proton radiography and electron radiography. Recently the successful commissioning of proton microscope systems has provided remarkable improvements in spatial resolution. These techniques are being implemented for applications with electron radiography. With the evolution of these new techniques comes the opportunity to choose the probe that provides the maximum information for the desired measurement. This paper describes these new imaging techniques, predicts the capabilities of high-energy electron radiography, and provides a guide for identifying the optimal probe for a wide range of measurements.
C1 Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
RP Merrill, FE (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87544 USA.
EM fmerrill@lanl.gov
NR 17
TC 1
Z9 1
U1 0
U2 2
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0263-0346
EI 1469-803X
J9 LASER PART BEAMS
JI Laser Part. Beams
PD SEP
PY 2015
VL 33
IS 3
BP 425
EP 431
DI 10.1017/S0263034615000282
PG 7
WC Physics, Applied
SC Physics
GA CQ2QM
UT WOS:000360446200009
ER
PT J
AU Del Sorbo, D
Arikawa, Y
Batani, D
Beg, F
Breil, J
Chen, H
Feugeas, JL
Fujioka, S
Hulin, S
Koga, M
Maclean, H
Morace, A
Namimoto, T
Nazarov, W
Nicolai, P
Nishimura, H
Ozaki, T
Sakaki, T
Santos, JJ
Spindloe, C
Tanaka, KA
Vaisseau, X
Veltcheva, M
Yabuchi, T
Zhang, Z
AF Del Sorbo, D.
Arikawa, Y.
Batani, D.
Beg, F.
Breil, J.
Chen, H.
Feugeas, J. L.
Fujioka, S.
Hulin, S.
Koga, M.
Maclean, H.
Morace, A.
Namimoto, T.
Nazarov, W.
Nicolai, Ph.
Nishimura, H.
Ozaki, T.
Sakaki, T.
Santos, J. J.
Spindloe, Ch.
Tanaka, K. A.
Vaisseau, X.
Veltcheva, M.
Yabuchi, T.
Zhang, Z.
TI Approach to the study of fast electron transport in cylindrically
imploded targets
SO LASER AND PARTICLE BEAMS
LA English
DT Article
DE Fast ignition; Inertial confinement fusion; Relativistic electron
transport; Warm and dense matter
ID FAST IGNITION; GAIN; LASERS; MATTER
AB The transport of relativistic electron beam in compressed cylindrical targets was studied from a numerical and experimental point of view. In the experiment, cylindrical targets were imploded using the Gekko XII laser facility of the Institute of Laser Engineering. Then the fast electron beam was created by shooting the LFEX laser beam. The penetration of fast electrons was studied by observing K emission from tracer layers in the target.
C1 [Del Sorbo, D.; Batani, D.; Breil, J.; Feugeas, J. L.; Hulin, S.; Nicolai, Ph.; Sakaki, T.; Santos, J. J.; Vaisseau, X.; Veltcheva, M.] Univ Bordeaux, CELIA Ctr Lasers Intenses & Applicat, CNRS, CEA,UMR 5107, F-33405 Talence, France.
[Arikawa, Y.; Fujioka, S.; Koga, M.; Morace, A.; Namimoto, T.; Nishimura, H.; Zhang, Z.] Osaka Univ, ILE, Osaka, Japan.
[Beg, F.] UCSD, La Jolla, CA USA.
[Chen, H.; Maclean, H.] LLNL, Livermore, CA USA.
[Nazarov, W.] St Andrews Univ, St Andrews, Fife, Scotland.
[Ozaki, T.] Natl Inst Fus Sci, Toki, Gifu, Japan.
[Spindloe, Ch.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Tanaka, K. A.; Yabuchi, T.] Osaka Univ, Grad Sch Engn, Osaka, Japan.
RP Batani, D (reprint author), Univ Bordeaux, CELIA Ctr Lasers Intenses & Applicat, CNRS, CEA,UMR 5107, F-33405 Talence, France.
EM batani@celia.u-bordeaux1.fr
RI Arikawa, Yasunobu/L-8760-2015; Morace, Alessio/C-1048-2016
OI Arikawa, Yasunobu/0000-0002-3142-3060; Morace,
Alessio/0000-0001-8795-834X
FU COST action [MP1208]; ANR-TERRE
FX The authors want to thank the ILE technical team for the help, the
ANR-TERRE for the fundings, Luca Antonelli, Luca Fedeli and Claudio
Bellei for interesting discussions about this topic. They also
acknowledge the support of the COST action MP1208 "Developing the
Physics and the Scientific Community for Inertial Fusion".
NR 31
TC 1
Z9 1
U1 0
U2 11
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0263-0346
EI 1469-803X
J9 LASER PART BEAMS
JI Laser Part. Beams
PD SEP
PY 2015
VL 33
IS 3
BP 525
EP 534
DI 10.1017/S0263034615000592
PG 10
WC Physics, Applied
SC Physics
GA CQ2QM
UT WOS:000360446200021
ER
PT J
AU Vanormelingen, P
Evans, KM
Mann, DG
Lance, S
Debeer, AE
D'Hondt, S
Verstraete, T
De Meester, L
Vyverman, W
AF Vanormelingen, Pieter
Evans, Katharine M.
Mann, David G.
Lance, Stacey
Debeer, Ann-Eline
D'Hondt, Sofie
Verstraete, Tine
De Meester, Luc
Vyverman, Wim
TI Genotypic diversity and differentiation among populations of two benthic
freshwater diatoms as revealed by microsatellites
SO MOLECULAR ECOLOGY
LA English
DT Article
DE benthic diatoms; Eunotia bilunaris "robust'; genotypic diversity;
microsatellites; ponds; population differentiation; rbcL; Sellaphora
capitata
ID MARINE PLANKTONIC DIATOM; SKELETONEMA-COSTATUM BACILLARIOPHYCEAE;
DINOFLAGELLATE ALEXANDRIUM-TAMARENSE; NITZSCHIA-PUNGENS
BACILLARIOPHYCEAE; SPECIES COMPLEX BACILLARIOPHYTA; GENETIC
DIFFERENTIATION; DITYLUM-BRIGHTWELLII; NATURAL-POPULATIONS;
COMPUTER-PROGRAM; COASTAL WATERS
AB Given their large population sizes and presumed high dispersal capacity, protists are expected to exhibit homogeneous population structure over large spatial scales. On the other hand, the fragmented and short-lived nature of the lentic freshwater habitats that many protists inhabit promotes strong population differentiation. We used microsatellites in two benthic freshwater diatoms, Eunotia bilunaris robust' and Sellaphora capitata, sampled from within a pond and connected ponds, through isolated ponds from the same region to western Europe to determine the spatial scale at which differentiation appears. Because periods of low genotypic diversity contribute to population differentiation, we also assessed genotypic diversity. While genotypic diversity was very high to maximal in most samples of both species, some had a markedly lower diversity, with up to half (Eunotia) and over 90% (Sellaphora) of the strains having the same multilocus genotype. Population differentiation showed an isolation-by-distance pattern with very low standardized F-ST values between samples from the same or connected ponds but high values between isolated ponds, even when situated in the same region. Partial rbcL sequences in Eunotia were consistent with this pattern as isolated ponds in the same region could differ widely in haplotype composition. Populations identified by Structure corresponded to the source ponds, confirming that pond' is the main factor structuring these populations. We conclude that freshwater benthic diatom populations are highly fragmented on a regional scale, reflecting either less dispersal than is often assumed or reduced establishment success of immigrants, so that dispersal does not translate into gene flow.
C1 [Vanormelingen, Pieter; Debeer, Ann-Eline; D'Hondt, Sofie; Verstraete, Tine; Vyverman, Wim] Univ Ghent, Lab Protistol & Aquat Ecol, B-9000 Ghent, Belgium.
[Evans, Katharine M.] Univ Edinburgh, Sch Geosci, Edinburgh EH9 3JW, Midlothian, Scotland.
[Evans, Katharine M.; Mann, David G.] Royal Bot Garden, Edinburgh EH3 5LR, Midlothian, Scotland.
[Mann, David G.] Inst Food & Agr Res & Technol IRTA, Aquat Ecosyst, E-43540 San Carlos de la Rapita, Catalunya, Spain.
[Lance, Stacey] Univ Georgia, Savannah River Ecol Lab, Aiken, SC USA.
[De Meester, Luc] Katholieke Univ Leuven, Lab Aquat Ecol Evolut & Conservat, B-3000 Louvain, Belgium.
RP Vanormelingen, P (reprint author), Univ Ghent, Lab Protistol & Aquat Ecol, Krijgslaan 281-S8, B-9000 Ghent, Belgium.
EM pieter.vanormelingen@UGent.be
RI Lance, Stacey/K-9203-2013; Mann, David/I-9018-2014; Evans,
Katharine/L-1709-2013; De Meester, Luc/F-3832-2015
OI Lance, Stacey/0000-0003-2686-1733; Mann, David/0000-0003-0522-6802;
Evans, Katharine/0000-0002-9819-1049; De Meester,
Luc/0000-0001-5433-6843
FU Research Foundation (FWO) - Flanders [G.0419.08]
FX This research was largely funded by the Research Foundation (FWO) -
Flanders (project G.0419.08). Pieter Vanormelingen is a postdoctoral
research fellow with the FWO - Flanders. We are very grateful to
Caroline Souffreau, Rosa Trobajo and Suzanne McGowan for (their help in)
obtaining samples for Eunotia strain isolations. We thank Drs Laurence
Carvalho (Centre for Ecology and Hydrology, Edinburgh) and Jan Krokowski
(Scottish Environmental Protection Agency) for supplying chemical data
for the Scottish lochs. Finally, we would like to thank three anonymous
reviewers for their in-depth review of an earlier version of the
manuscript.
NR 82
TC 1
Z9 1
U1 2
U2 36
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0962-1083
EI 1365-294X
J9 MOL ECOL
JI Mol. Ecol.
PD SEP
PY 2015
VL 24
IS 17
BP 4433
EP 4448
DI 10.1111/mec.13336
PG 16
WC Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology;
Evolutionary Biology
GA CQ2QH
UT WOS:000360445700008
PM 26227512
ER
PT J
AU Wilbanks, MC
Yuter, SE
de Szoeke, SP
Brewer, WA
Miller, MA
Hall, AM
Burleyson, CD
AF Wilbanks, Matt C.
Yuter, Sandra E.
de Szoeke, Simon P.
Brewer, W. Alan
Miller, Matthew A.
Hall, Andrew M.
Burleyson, Casey D.
TI Near-Surface Density Currents Observed in the Southeast Pacific
Stratocumulus-Topped Marine Boundary Layer*
SO MONTHLY WEATHER REVIEW
LA English
DT Article
ID LARGE-EDDY SIMULATION; TROPICAL SQUALL-LINE; VOCALS-REX; THUNDERSTORM
OUTFLOWS; COLD POOLS; DRIZZLING STRATOCUMULUS; AIRCRAFT OBSERVATIONS;
CELLULAR STRUCTURES; CONVERGENCE LINES; GRAVITY CURRENTS
AB Density currents (i.e., cold pools or outflows) beneath marine stratocumulus clouds are characterized using 30 days of ship-based observations obtained during the 2008 Variability of American Monsoon Systems (VAMOS) Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx) in the southeast Pacific. An air density increase criterion applied to the Improved Meteorological (IMET) sensor data identified 71 density current front, core (peak density), and tail (dissipating) zones. The similarity in speeds of the mean density current propagation speed (1.8 m s(-1)) and the mean cloud-level advection relative to the surface layer wind (1.9 m s(-1)) allowed drizzle cells to deposit elongated density currents in their wakes. Scanning Doppler lidar captured prefrontal updrafts with a mean intensity of 0.91 m s(-1) and an average vertical extent of 800 m. Updrafts were often surmounted by low-lying shelf clouds not connected to the overlying stratocumulus cloud. The observed density currents were 5-10 times thinner and weaker than typical continental thunderstorm cold pools. Nearly 90% of density currents were identified when C-band radar estimated areal average rain rates exceeded 1 mm day(-1) over a 30-km diameter. Rather than peaking when rain rates were highest overnight, density current occurrence peaks between 0600 and 0800 local solar time when enhanced local drizzle co-occurred with shallow subcloud dry and stable layers. The dry layers may have contributed to density current formation by enhancing subcloud evaporation of drizzle. Density currents preferentially occurred in a large region of predominantly open cells but also occurred in regions of closed cells.
C1 [Wilbanks, Matt C.; Yuter, Sandra E.; Miller, Matthew A.; Hall, Andrew M.; Burleyson, Casey D.] N Carolina State Univ, Raleigh, NC 27695 USA.
[de Szoeke, Simon P.] Oregon State Univ, Corvallis, OR 97331 USA.
[Brewer, W. Alan] NOAA, Earth Syst Res Lab, Boulder, CO USA.
[Burleyson, Casey D.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Wilbanks, MC (reprint author), N Carolina State Univ, Dept Marine Earth & Atmospher Sci, Box 8208, Raleigh, NC 27695 USA.
EM mcwilban@ncsu.edu
RI Burleyson, Casey/F-1833-2016; Yuter, Sandra/E-8808-2015; Manager, CSD
Publications/B-2789-2015
OI Burleyson, Casey/0000-0001-6218-9361; Yuter, Sandra/0000-0002-3222-053X;
FU National Oceanic and Atmospheric Administration (NOAA) Climate Program
Office (CPO) Climate Prediction Program for the Americas (CPPA)
[GC09-252b, GC09-507]; Office of Science (Biological and Environmental
Research) U.S. Department of Energy [DE-SC0006701, DE-SC0006994];
National Aeronautics and Space Administration [NNX11AE98G]; Department
of Energy by Battelle Memorial Institute [DE-AC06-76RLO 1830]
FX Special thanks to Graham Feingold, Jan Kazil, Takanobu Yamaguchi, David
Kingsmill, Tammy Weckwerth, David Mechem, Matthew Parker, Walter
Robinson, and Robert Wood for their advice and technical support. We
also thank Paquita Zuidema for providing the cloud liquid water path
product used in this study. Beth Tully drafted some of the figures. This
research was supported by the National Oceanic and Atmospheric
Administration (NOAA) Climate Program Office (CPO) Climate Prediction
Program for the Americas (CPPA) Grants GC09-252b and GC09-507, the
Office of Science (Biological and Environmental Research) U.S.
Department of Energy Grants DE-SC0006701 and DE-SC0006994, and the
National Aeronautics and Space Administration Grant NNX11AE98G. The
Pacific Northwest National Laboratory is operated for the Department of
Energy by Battelle Memorial Institute under Contract DE-AC06-76RLO 1830.
NR 82
TC 0
Z9 0
U1 0
U2 7
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0027-0644
EI 1520-0493
J9 MON WEATHER REV
JI Mon. Weather Rev.
PD SEP
PY 2015
VL 143
IS 9
BP 3532
EP 3555
DI 10.1175/MWR-D-14-00359.1
PG 24
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CQ0UU
UT WOS:000360313800011
ER
PT J
AU Brown, A
AF Brown, Austin
TI All hail robocabs
SO NATURE CLIMATE CHANGE
LA English
DT Editorial Material
ID ENERGY
C1 Natl Renewable Energy Lab, Washington, DC 20024 USA.
RP Brown, A (reprint author), Natl Renewable Energy Lab, 901 D St SW,Suite 930, Washington, DC 20024 USA.
EM Austin.brown@nrel.gov
NR 5
TC 0
Z9 0
U1 1
U2 2
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1758-678X
EI 1758-6798
J9 NAT CLIM CHANGE
JI Nat. Clim. Chang.
PD SEP
PY 2015
VL 5
IS 9
BP 804
EP 805
PG 2
WC Environmental Sciences; Environmental Studies; Meteorology & Atmospheric
Sciences
SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
GA CQ1DV
UT WOS:000360338400009
ER
PT J
AU Greenblatt, JB
Saxena, S
AF Greenblatt, Jeffery B.
Saxena, Samveg
TI Autonomous taxis could greatly reduce greenhouse-gas emissions of US
light-duty vehicles
SO NATURE CLIMATE CHANGE
LA English
DT Article
AB Autonomous vehicles (AVs) are conveyances to move passengers or freight without human intervention. AVs are potentially disruptive both technologically and socially(1-3), with claimed benefits including increased safety, road utilization, driver productivity and energy savings(1-6). Here we estimate 2014 and 2030 greenhouse-gas (GHG) emissions and costs of autonomous taxis (ATs), a class of fully autonomous(7,8) shared AVs likely to gain rapid early market share, through three synergistic effiects: (1) future decreases in electricity GHG emissions intensity, (2) smaller vehicle sizes resulting from trip-specific AT deployment, and (3) higher annual vehicle-miles travelled (VMT), increasing high-efficiency (especially battery-electric) vehicle cost-effiectiveness. Combined, these factors could result in decreased US per-mile GHG emissions in 2030 per AT deployed of 87-94% below current conventionally driven vehicles (CDVs), and 63-82% below projected 2030 hybrid vehicles(9), without including other energy-saving benefits of AVs. With these substantial GHG savings, ATs could enable GHG reductions even if total VMT, average speed and vehicle size increased substantially. Oil consumption would also be reduced by nearly 100%.
C1 [Greenblatt, Jeffery B.; Saxena, Samveg] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Greenblatt, JB (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
EM JBGreenblatt@lbl.gov
FU Laboratory Directed Research and Development through Lawrence Berkeley
National Laboratory under US Department of Energy [DE-AC02-05CH11231]
FX The authors thank A. Brown, J. Gonder, A. Gopal, D. Millstein, B.
Morrow, S. Moura, N. Shah, A. Sturges, R. van Buskirk, J. Ward and T.
Wenzel for insights and draft feedback. Special thanks go to C. Scown
for analysing FHA data. Work was supported in part by Laboratory
Directed Research and Development funding through Lawrence Berkeley
National Laboratory, under US Department of Energy Contract No.
DE-AC02-05CH11231.
NR 41
TC 15
Z9 15
U1 6
U2 21
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1758-678X
EI 1758-6798
J9 NAT CLIM CHANGE
JI Nat. Clim. Chang.
PD SEP
PY 2015
VL 5
IS 9
BP 860
EP +
DI 10.1038/NCLIMATE2685
PG 6
WC Environmental Sciences; Environmental Studies; Meteorology & Atmospheric
Sciences
SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
GA CQ1DV
UT WOS:000360338400020
ER
PT J
AU Minor, AM
AF Minor, Andrew M.
TI METALLURGY Starting and stopping dislocations
SO NATURE MATERIALS
LA English
DT News Item
C1 [Minor, Andrew M.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Minor, Andrew M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Mol Foundry, Berkeley, CA 94720 USA.
RP Minor, AM (reprint author), Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
EM aminor@berkeley.edu
RI Foundry, Molecular/G-9968-2014
NR 8
TC 0
Z9 0
U1 2
U2 26
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
EI 1476-4660
J9 NAT MATER
JI Nat. Mater.
PD SEP
PY 2015
VL 14
IS 9
BP 866
EP 867
DI 10.1038/nmat4354
PG 2
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA CP9CT
UT WOS:000360192000015
PM 26147847
ER
PT J
AU Jiang, Z
He, JB
Deshmukh, SA
Kanjanaboos, P
Kamath, G
Wang, YF
Sankaranarayanan, SKRS
Wang, J
Jaeger, HM
Lin, XM
AF Jiang, Zhang
He, Jinbo
Deshmukh, Sanket A.
Kanjanaboos, Pongsakorn
Kamath, Ganesh
Wang, Yifan
Sankaranarayanan, Subramanian K. R. S.
Wang, Jin
Jaeger, Heinrich M.
Lin, Xiao-Min
TI Subnanometre ligand-shell asymmetry leads to Janus-like nanoparticle
membranes
SO NATURE MATERIALS
LA English
DT Article
ID NANOCRYSTAL SUPERLATTICES; AIR/WATER INTERFACE; GOLD NANOPARTICLES;
CELL-MEMBRANE; X-RAY; CURVATURE; GISAXS; MODEL; MONOLAYERS; CHEMISTRY
AB Self-assembly of nanoparticles at fluid interfaces has emerged as a simple yet efficient way to create two-dimensional membranes with tunable properties(1-6). In these membranes, inorganic nanoparticles are coated with a shell of organic ligands that interlock as spacers and provide tensile strength. Although curvature due to gradients in lipid-bilayer composition and protein scaffolding(7,8) is a key feature of many biological membranes, creating gradients in nanoparticle membranes has been difficult. Here, we show by X-ray scattering that nanoparticle membranes formed at air/water interfaces exhibit a small but significant similar to 6 angstrom difference in average ligand-shell thickness between their two sides. This affects surface-enhanced Raman scattering and can be used to fold detached free-standing membranes into tubes by exposure to electron beams. Molecular dynamics simulations elucidate the roles of ligand coverage and mobility in producing and maintaining this asymmetry. Understanding this Janus-like membrane asymmetry opens up new avenues for designing nanoparticle superstructures.
C1 [Jiang, Zhang; Wang, Jin] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[He, Jinbo; Kanjanaboos, Pongsakorn; Wang, Yifan; Jaeger, Heinrich M.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
[He, Jinbo; Kanjanaboos, Pongsakorn; Wang, Yifan; Jaeger, Heinrich M.] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA.
[Deshmukh, Sanket A.; Kamath, Ganesh; Sankaranarayanan, Subramanian K. R. S.; Lin, Xiao-Min] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Kamath, Ganesh] Univ Missouri, Dept Chem, Columbia, MO 65211 USA.
RP Lin, XM (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM xmlin@anl.gov
RI Kanjanaboos, Pongsakorn/Q-1050-2015; Jiang, Zhang/A-3297-2012;
OI Kanjanaboos, Pongsakorn/0000-0002-4854-1733; Jiang,
Zhang/0000-0003-3503-8909; Wang, Yifan/0000-0003-2284-520X
FU US Department of Energy, Office of Science, Office of Basic Energy
Sciences User Facility [DE-AC02-06CH11357]; NSF [DMR-1207204,
DMR-1420709]; Chicago MRSEC; Office of Science of the US Department of
Energy [DE-AC02-05CH11231]; DOE Office of Science User Facility
[DE-AC02-06CH11357]
FX The authors thank S. McBride and E. Barry for many stimulating
discussions. We also benefited from discussions with Y. Rabin of Ilan
University, Israel, and R. Salvarezza of INIFTA, Argentina. This work
was performed at the Center of Nanoscale Materials and 8-ID at the
Advanced Photon Source, a US Department of Energy, Office of Science,
Office of Basic Energy Sciences User Facility under Contract No.
DE-AC02-06CH11357. The work at the University of Chicago was supported
by the NSF through grant DMR-1207204 and through the Chicago MRSEC,
under NSF DMR-1420709. This research used resources of the National
Energy Research Scientific Computing Center, a DOE Office of Science
User Facility supported by the Office of Science of the US Department of
Energy under Contract No. DE-AC02-05CH11231. This research also used
resources of the Argonne Leadership Computing Facility, which is a DOE
Office of Science User Facility supported under Contract
DE-AC02-06CH11357.
NR 35
TC 13
Z9 13
U1 25
U2 154
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
EI 1476-4660
J9 NAT MATER
JI Nat. Mater.
PD SEP
PY 2015
VL 14
IS 9
BP 912
EP +
DI 10.1038/NMAT4321
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA CP9CT
UT WOS:000360192000025
PM 26053763
ER
PT J
AU Mueller, RC
Bohannan, BJM
AF Mueller, Rebecca C.
Bohannan, Brendan J. M.
TI Shifts in the phylogenetic structure of arbuscular mycorrhizal fungi in
response to experimental nitrogen and carbon dioxide additions
SO OECOLOGIA
LA English
DT Article
DE Global change; Community shifts; Phylogenetic diversity; Phylogenetic
clustering; Jasper Ridge Global Change Experiment
ID NORTHERN HARDWOOD FORESTS; ELEVATED ATMOSPHERIC CO2; COMMUNITY
STRUCTURE; PLANT DIVERSITY; TERRESTRIAL ECOSYSTEMS; CURRENT KNOWLEDGE;
DEPOSITION; ECOLOGY; FERTILIZATION; AVAILABILITY
AB Global N inputs and atmospheric CO2 concentrations have increased as a result of human activities, and are predicted to increase along with population growth, with potentially negative effects on biodiversity. Using taxonomic and phylogenetic measures, we examined the response of arbuscular mycorrhizal fungi (AMF) to experimental manipulations of N and CO2 at the Jasper Ridge Global Change Experiment. No significant interactions between N and CO2 were observed, but individual effects of N and CO2 were found. Elevated CO2 resulted in changes in phylogenetic similarity, and a shift to phylogenetic clustering of AMF communities. N addition resulted in higher phylogenetic diversity and evenness, with no shifts in community composition and no significant signal for phylogenetic clustering. N addition resulted in an increase in both available N and the N:P ratio in N-amended plots, which suggests that changing patterns of nutrient limitation could have lead to altered species interactions. These findings suggest that elevated levels of N and CO2 altered patterns of AMF community assembly, with potential effects on ecosystem function.
C1 [Mueller, Rebecca C.; Bohannan, Brendan J. M.] Univ Oregon, Inst Ecol & Evolut, Eugene, OR 97403 USA.
RP Mueller, RC (reprint author), Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87544 USA.
EM beckymueller@gmail.com
FU National Science Foundation [DEB-0910374]
FX We thank Nona Chiariello and Chris Field for coordinating field
sampling, Kathryn Docherty and Evan Jones for laboratory support, Will
Truce for help in field collections and Jessica Gutknecht for sharing
PLFA data. This work was funded by a Doctoral Dissertation Improvement
grant (National Science Foundation DEB-0910374). The funding agency had
no role in the design or execution of this research.
NR 71
TC 1
Z9 1
U1 6
U2 65
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0029-8549
EI 1432-1939
J9 OECOLOGIA
JI Oecologia
PD SEP
PY 2015
VL 179
IS 1
BP 175
EP 185
DI 10.1007/s00442-015-3337-z
PG 11
WC Ecology
SC Environmental Sciences & Ecology
GA CQ4AS
UT WOS:000360547000015
PM 25990297
ER
PT J
AU Tabakov, B
Benito, F
Blain, M
Clark, CR
Clark, S
Haltli, RA
Maunz, P
Sterk, JD
Tigges, C
Stick, D
AF Tabakov, Boyan
Benito, Francisco
Blain, Matthew
Clark, Craig R.
Clark, Susan
Haltli, Raymond A.
Maunz, Peter
Sterk, Jonathan D.
Tigges, Chris
Stick, Daniel
TI Assembling a Ring-Shaped Crystal in a Microfabricated Surface Ion Trap
SO PHYSICAL REVIEW APPLIED
LA English
DT Article
ID PAUL TRAP; STORAGE
AB We report on experiments with a microfabricated surface trap designed for confining a chain of ions in a ring. Uniform ion separation over most of the ring is achieved with a rotationally symmetric design and by measuring and suppressing undesired electric fields. After reducing stray fields, the ions are confined primarily by a radio-frequency pseudopotential and their mutual Coulomb repulsion. Approximately 400 Ca-40(+) ions with an average separation of 9 mu m comprise the ion crystal.
C1 [Tabakov, Boyan; Benito, Francisco; Blain, Matthew; Clark, Craig R.; Clark, Susan; Haltli, Raymond A.; Maunz, Peter; Sterk, Jonathan D.; Tigges, Chris; Stick, Daniel] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Tabakov, Boyan; Stick, Daniel] Univ New Mexico, Ctr Quantum Informat & Control, Albuquerque, NM 87131 USA.
RP Stick, D (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM dlstick@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]; Office of the Director of National Intelligence
(ODNI), Intelligence Advanced Research Projects Activity (IARPA)
FX B. T. thanks Hartmut Haffner for ultrahigh-vacuum advice, Kevin Fortier
for help with lasers, David Moehring for supporting initial experiments,
and Jonathan Mizrahi for useful theoretical discussions. The authors
would also like to thank Jungsang Kim and Boris Blinov for suggesting to
fabricate a ring-shaped ion trap. Sandia National Laboratories is a
multiprogram laboratory managed and operated by Sandia Corporation, a
wholly owned subsidiary of Lockheed Martin Corporation, for the U.S.
Department of Energy's National Nuclear Security Administration under
Contract No. DE-AC04-94AL85000. This research was funded by the Office
of the Director of National Intelligence (ODNI), Intelligence Advanced
Research Projects Activity (IARPA). All statements of fact, opinion or
conclusions contained herein are those of the authors and should not be
construed as representing the official views or policies of IARPA, the
ODNI, or the U.S. Government.
NR 21
TC 3
Z9 3
U1 1
U2 3
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 2331-7019
J9 PHYS REV APPL
JI Phys. Rev. Appl.
PD SEP 1
PY 2015
VL 4
IS 3
AR 031001
DI 10.1103/PhysRevApplied.4.031001
PG 5
WC Physics, Applied
SC Physics
GA CQ1DJ
UT WOS:000360337200001
ER
PT J
AU Wang, M
Yi, M
Cao, HB
de la Cruz, C
Mo, SK
Huang, QZ
Bourret-Courchesne, E
Dai, PC
Lee, DH
Shen, ZX
Birgeneau, RJ
AF Wang, Meng
Yi, Ming
Cao, Huibo
de la Cruz, C.
Mo, S. K.
Huang, Q. Z.
Bourret-Courchesne, E.
Dai, Pengcheng
Lee, D. H.
Shen, Z. X.
Birgeneau, R. J.
TI Mott localization in a pure stripe antiferromagnet Rb1-delta Fe1.5-sigma
S2
SO PHYSICAL REVIEW B
LA English
DT Article
ID TRANSITION-TEMPERATURE; IRON SELENIDE; SUPERCONDUCTIVITY;
A(X)FE(2)SE(2); FESE
AB A combination of neutron diffraction and angle-resolved photoemission spectroscopy measurements on a pure antiferromagnetic stripe Rb1-delta Fe1.5-sigma S2 is reported. A neutron diffraction experiment on a powder sample shows that a 98% volume fraction of the sample is in the antiferromagnetic stripe phase with rhombic iron vacancy order and a refined composition of Rb0.66Fe1.36S2, and that only 2% of the sample is in the block antiferromagnetic phase with root 5 x root 5 iron vacancy order. Furthermore, a neutron diffraction experiment on a single crystal shows that there is only a single phase with the stripe antiferromagnetic order with the refined composition of Rb0.78Fe1.35S2, while the phase with block antiferromagnetic order is absent. Angle-resolved photoemission spectroscopy measurements on the same crystal with the pure stripe phase reveal that the electronic structure is gapped at the Fermi level with a gap larger than 0.325 eV. The data collectively demonstrate that the extra 10% iron vacancies in addition to the rhombic iron vacancy order effectively impede the formation of the block antiferromagnetic phase; the data also suggest that the stripe antiferromagnetic phase with rhombic iron vacancy order is a Mott insulator.
C1 [Wang, Meng; Yi, Ming; Lee, D. H.; Birgeneau, R. J.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Cao, Huibo; de la Cruz, C.] Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA.
[Mo, S. K.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Huang, Q. Z.] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA.
[Bourret-Courchesne, E.; Lee, D. H.; Birgeneau, R. J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Dai, Pengcheng] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA.
[Shen, Z. X.] Stanford Inst Mat & Energy Sci, SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Shen, Z. X.] Stanford Univ, Menlo Pk, CA 94025 USA.
[Shen, Z. X.] Stanford Univ, Dept Phys & Appl Phys, Stanford, CA 94305 USA.
[Shen, Z. X.] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
[Birgeneau, R. J.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
RP Wang, M (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM wangm@berkeley.edu
RI Mo, Sung-Kwan/F-3489-2013; Dai, Pengcheng /C-9171-2012; Cao,
Huibo/A-6835-2016; WANG, MENG/E-6595-2012; dela Cruz,
Clarina/C-2747-2013
OI Mo, Sung-Kwan/0000-0003-0711-8514; Dai, Pengcheng /0000-0002-6088-3170;
Cao, Huibo/0000-0002-5970-4980; WANG, MENG/0000-0002-8232-2331; dela
Cruz, Clarina/0000-0003-4233-2145
FU Office of Science, Office of Basic Energy Sciences, U.S. Department of
Energy [DE-AC02-05CH11231, DE-AC03-76SF008]; Scientific User Facilities
Division, Office of Basic Energy Sciences, U.S. Department of Energy;
U.S. DOE, BES [DE-SC0012311]; DOE Office of Basic Energy Sciences,
Division of Materials Sciences [DE-AC02-76SF00515]
FX This work is supported by the Director, Office of Science, Office of
Basic Energy Sciences, U.S. Department of Energy, under Contracts No.
DE-AC02-05CH11231 and No. DE-AC03-76SF008. The research at Oak Ridge
National Laboratory's High-Flux Isotope Reactor and Lawrence Berkeley
National Laboratory's Advanced Light Source are sponsored by the
Scientific User Facilities Division, Office of Basic Energy Sciences,
U.S. Department of Energy. Work at Rice is supported by the U.S. DOE,
BES under Contract No. DE-SC0012311 (P.D.). Work at Stanford is
supported by the DOE Office of Basic Energy Sciences, Division of
Materials Sciences, under Contract No. DE-AC02-76SF00515.
NR 37
TC 3
Z9 3
U1 3
U2 20
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
EI 1550-235X
J9 PHYS REV B
JI Phys. Rev. B
PD SEP 1
PY 2015
VL 92
IS 12
AR 121101
DI 10.1103/PhysRevB.92.121101
PG 5
WC Physics, Condensed Matter
SC Physics
GA CQ1BF
UT WOS:000360331600001
ER
PT J
AU Warnicke, P
Stavitski, E
Lee, JS
Yang, A
Chen, Z
Zuo, X
Zohar, S
Bailey, WE
Harris, VG
Arena, DA
AF Warnicke, P.
Stavitski, E.
Lee, J-S.
Yang, A.
Chen, Z.
Zuo, X.
Zohar, S.
Bailey, W. E.
Harris, V. G.
Arena, D. A.
TI Direct observation of symmetry-specific precession in a ferrimagnet
SO PHYSICAL REVIEW B
LA English
DT Article
ID MANGANESE FERRITE; MAGNETIC-ANISOTROPY; DICHROISM; ABSORPTION; FILMS;
RESONANCE
AB Here we demonstrate an experimental observation of GHz-scale spin dynamics resolved to sublattice octahedral (O-h) tetrahedral (T-d) sites in a spinel ferrimagnet, in this case a Mn-ferrite thin film. X-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism (XMCD) are used, in combination with multiplet calculations, to uniquely identify the spectral signature from Mn2+ and Fe-2+,Fe-3+ on O-h and T-d lattice sites. With the sample under rf excitation, the spin alignment of the sublattices is tracked with time-resolved XMCD (TR-XMCD). The spin alignment of the sublattices is mostly antiferromagnetic. The phase difference between the O-h Fe2+ [O-h Fe3+] and T-d Mn2+ sites is 181.2 +/- 3.8 degrees [183.3 degrees +/- 3.7 degrees] at 150 K and 186.6 +/- 2.2 degrees [182.0 degrees +/- 2.2 degrees] at 300 K. Such direct measurement of the dynamic coupling, exchange stiffness, and damping enabled by TR-XMCD across sublattices will be essential for optimizing the development of future-generation microwave devices.
C1 [Warnicke, P.; Stavitski, E.; Lee, J-S.; Arena, D. A.] Brookhaven Natl Lab, Photon Sci Directorate, Upton, NY 11973 USA.
[Yang, A.; Chen, Z.; Zuo, X.; Harris, V. G.] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA.
[Zohar, S.; Bailey, W. E.] Columbia Univ, Dept Appl Phys, Mat Sci Program, New York, NY 10027 USA.
RP Arena, DA (reprint author), Univ S Florida, Dept Phys, Tampa, FL 33620 USA.
EM darena@usf.edu
FU U.S. Department of Energy (DOE), Office of Science, Office of Basic
Energy Sciences [DE-AC02-98CH10886, DE-AC02-06CH11357]
FX Use of the National Synchrotron Light Source (NSLS) at Brookhaven
National Laboratory and the Advanced Photon Source (APS) at Argonne
National Laboratory is supported by the U.S. Department of Energy (DOE),
Office of Science, Office of Basic Energy Sciences, under Contract No.
DE-AC02-98CH10886 (NSLS) and Contract No. DE-AC02-06CH11357 (APS).
NR 40
TC 0
Z9 0
U1 0
U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
EI 1550-235X
J9 PHYS REV B
JI Phys. Rev. B
PD SEP 1
PY 2015
VL 92
IS 10
AR 104402
DI 10.1103/PhysRevB.92.104402
PG 6
WC Physics, Condensed Matter
SC Physics
GA CQ1AY
UT WOS:000360330900005
ER
PT J
AU Casey, DT
Milovich, JL
Smalyuk, VA
Clark, DS
Robey, HF
Pak, A
MacPhee, AG
Baker, KL
Weber, CR
Ma, T
Park, HS
Doppner, T
Callahan, DA
Haan, SW
Patel, PK
Peterson, JL
Hoover, D
Nikroo, A
Yeamans, CB
Merrill, FE
Volegov, PL
Fittinghoff, DN
Grim, GP
Edwards, MJ
Landen, OL
Lafortune, KN
MacGowan, BJ
Widmayer, CC
Sayre, DB
Hatarik, R
Bond, EJ
Nagel, SR
Benedetti, LR
Izumi, N
Khan, S
Bachmann, B
Spears, BK
Cerjan, CJ
Johnson, MG
Frenje, JA
AF Casey, D. T.
Milovich, J. L.
Smalyuk, V. A.
Clark, D. S.
Robey, H. F.
Pak, A.
MacPhee, A. G.
Baker, K. L.
Weber, C. R.
Ma, T.
Park, H-S.
Doeppner, T.
Callahan, D. A.
Haan, S. W.
Patel, P. K.
Peterson, J. L.
Hoover, D.
Nikroo, A.
Yeamans, C. B.
Merrill, F. E.
Volegov, P. L.
Fittinghoff, D. N.
Grim, G. P.
Edwards, M. J.
Landen, O. L.
Lafortune, K. N.
MacGowan, B. J.
Widmayer, C. C.
Sayre, D. B.
Hatarik, R.
Bond, E. J.
Nagel, S. R.
Benedetti, L. R.
Izumi, N.
Khan, S.
Bachmann, B.
Spears, B. K.
Cerjan, C. J.
Johnson, M. Gatu
Frenje, J. A.
TI Improved Performance of High Areal Density Indirect Drive Implosions at
the National Ignition Facility using a Four-Shock Adiabat Shaped Drive
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID INERTIAL CONFINEMENT FUSION; RAYLEIGH-TAYLOR INSTABILITY; GROWTH;
PROFILES; TARGETS; PICKET; SHOCK
AB Hydrodynamic instabilities can cause capsule defects and other perturbations to grow and degrade implosion performance in ignition experiments at the National Ignition Facility (NIF). Here, we show the first experimental demonstration that a strong unsupported first shock in indirect drive implosions at the NIF reduces ablation front instability growth leading to a 3 to 10 times higher yield with fuel rho R > 1 g/cm(2). This work shows the importance of ablation front instability growth during the National Ignition Campaign and may provide a path to improved performance at the high compression necessary for ignition.
C1 [Casey, D. T.; Milovich, J. L.; Smalyuk, V. A.; Clark, D. S.; Robey, H. F.; Pak, A.; MacPhee, A. G.; Baker, K. L.; Weber, C. R.; Ma, T.; Park, H-S.; Doeppner, T.; Callahan, D. A.; Haan, S. W.; Patel, P. K.; Peterson, J. L.; Yeamans, C. B.; Edwards, M. J.; Landen, O. L.; Lafortune, K. N.; MacGowan, B. J.; Widmayer, C. C.; Sayre, D. B.; Hatarik, R.; Bond, E. J.; Nagel, S. R.; Benedetti, L. R.; Izumi, N.; Khan, S.; Bachmann, B.; Spears, B. K.; Cerjan, C. J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Hoover, D.; Nikroo, A.] Gen Atom, San Diego, CA 92121 USA.
[Merrill, F. E.; Volegov, P. L.; Fittinghoff, D. N.; Grim, G. P.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Johnson, M. Gatu; Frenje, J. A.] MIT, Cambridge, MA 02139 USA.
RP Casey, DT (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RI Patel, Pravesh/E-1400-2011; IZUMI, Nobuhiko/J-8487-2016
OI IZUMI, Nobuhiko/0000-0003-1114-597X
FU U.S. Department of Energy, Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX The authors sincerely thank the NIF operations staff who supported this
work. We gratefully acknowledge helpful conversations with O. Hurricane,
J. Lindl, and J. Perkins. This work was performed under the auspices of
the U.S. Department of Energy by Lawrence Livermore National Laboratory
under Contract No. DE-AC52-07NA27344.
NR 50
TC 20
Z9 20
U1 2
U2 35
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD SEP 1
PY 2015
VL 115
IS 10
AR 105001
DI 10.1103/PhysRevLett.115.105001
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ1CW
UT WOS:000360335900009
PM 26382681
ER
PT J
AU Wang, ZT
Kamiya, Y
Nevidomskyy, AH
Batista, CD
AF Wang, Zhentao
Kamiya, Yoshitomo
Nevidomskyy, Andriy H.
Batista, Cristian D.
TI Three-Dimensional Crystallization of Vortex Strings in Frustrated
Quantum Magnets
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID BOSE-EINSTEIN CONDENSATION; WEAK FERROMAGNETISM; ANTIFERROMAGNETS;
SUPERCONDUCTORS; SKYRMIONS; LATTICE; FIELD; MODEL; GAS; NMR
AB We demonstrate that frustrated exchange interactions can produce exotic 3D crystals of vortex strings near the saturation field (H = H-sat) of body- and face-centered cubic Mott insulators. The combination of cubic symmetry and frustration leads to a magnon spectrum of the fully polarized spin state (H > H-sat) with degenerate minima at multiple noncoplanar Q vectors. This spectrum becomes gapless at the quantum critical point H = H-sat and the magnetic ordering below Hsat can be formally described as a condensate of a dilute gas of bosons. By expanding in the lattice gas parameter, we find that different vortex crystals span sizable regions of the phase diagrams for isotropic exchange and are further stabilized by symmetric exchange anisotropy.
C1 [Wang, Zhentao; Nevidomskyy, Andriy H.] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA.
[Kamiya, Yoshitomo] RIKEN, iTHES Res Grp, Wako, Saitama 3510198, Japan.
[Kamiya, Yoshitomo] RIKEN, Condensed Matter Theory Lab, Wako, Saitama 3510198, Japan.
[Batista, Cristian D.] Los Alamos Natl Lab, Theoret Div, T & CNLS 4, Los Alamos, NM 87545 USA.
RP Wang, ZT (reprint author), Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA.
RI Kamiya, Yoshitomo/B-6307-2012; Wang, Zhentao/F-8328-2016; Batista,
Cristian/J-8008-2016;
OI Kamiya, Yoshitomo/0000-0002-0758-0234; Wang,
Zhentao/0000-0001-7442-2933; Nevidomskyy, Andriy/0000-0002-8684-7979
FU Welch Foundation [C-1818]; NSF [DMR-1350237, 1066293]; CNLS summer
student program; Research Corporation for Science Advancement (RCSA)
[22799]; U.S. DOE [DE-AC52-06NA25396]; RIKEN iTHES project
FX We would like to thank T. Momoi and N. Shannon for helpful discussions.
Z. W. and A. H. N. were supported by Welch Foundation Grant No. C-1818
and the NSF CAREER Award No. DMR-1350237. Z. W. acknowledges support
from the CNLS summer student program under which part of the work was
performed. A. H. N. was supported by the Cottrell Award from the
Research Corporation for Science Advancement (RCSA Grant No. 22799).
Work at LANL was performed under the auspices of the U.S. DOE, Contract
No. DE-AC52-06NA25396, through the LDRD program. Y. K. acknowledges
financial supports from the RIKEN iTHES project. A. H. N. and C. D. B.
thank the Aspen Center for Physics (supported by NSF Grant No. 1066293)
for hospitality during the initial stage of this work.
NR 36
TC 5
Z9 5
U1 1
U2 20
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD SEP 1
PY 2015
VL 115
IS 10
AR 107201
DI 10.1103/PhysRevLett.115.107201
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ1CW
UT WOS:000360335900014
PM 26382699
ER
PT J
AU Vega-Sanchez, ME
Loque, D
Lao, JM
Catena, M
Verhertbruggen, Y
Herter, T
Yang, F
Harholt, J
Ebert, B
Baidoo, EEK
Keasling, JD
Scheller, HV
Heazlewood, JL
Ronald, PC
AF Vega-Sanchez, Miguel E.
Loque, Dominique
Lao, Jeemeng
Catena, Michela
Verhertbruggen, Yves
Herter, Thomas
Yang, Fan
Harholt, Jesper
Ebert, Berit
Baidoo, Edward E. K.
Keasling, Jay D.
Scheller, Henrik V.
Heazlewood, Joshua L.
Ronald, Pamela C.
TI Engineering temporal accumulation of a low recalcitrance polysaccharide
leads to increased C6 sugar content in plant cell walls
SO PLANT BIOTECHNOLOGY JOURNAL
LA English
DT Article
DE mixed-linkage glucan; CslF6; senescence-associated promoter; gluconic
acid; cell wall engineering; bioenergy
ID ARABIDOPSIS-THALIANA; MIXED-LINKAGE; BIOSYNTHESIS; SENESCENCE;
(1,3/1,4)-BETA-D-GLUCANS; METABOLISM; EXPRESSION; BIOFUELS; ACID;
IDENTIFICATION
AB Reduced cell wall recalcitrance and increased C6 monosaccharide content are desirable traits for future biofuel crops, as long as these biomass modifications do not significantly alter normal growth and development. Mixed-linkage glucan (MLG), a cell wall polysaccharide only present in grasses and related species among flowering plants, is comprised of glucose monomers linked by both -1,3 and -1,4 bonds. Previous data have shown that constitutive production of MLG in barley (Hordeum vulgare) severely compromises growth and development. Here, we used spatio-temporal strategies to engineer Arabidopsis thaliana plants to accumulate significant amounts of MLG in the cell wall by expressing the rice CslF6 MLG synthase using secondary cell wall and senescence-associated promoters. Results using secondary wall promoters were suboptimal. When the rice MLG synthase was expressed under the control of a senescence-associated promoter, we obtained up to four times more glucose in the matrix cell wall fraction and up to a 42% increase in saccharification compared to control lines. Importantly, these plants grew and developed normally. The induction of MLG deposition at senescence correlated with an increase of gluconic acid in cell wall extracts of transgenic plants in contrast to the other approaches presented in this study. MLG produced in Arabidopsis has an altered structure compared to the grass glucan, which likely affects its solubility, while its molecular size is unaffected. The induction of cell wall polysaccharide biosynthesis in senescing tissues offers a novel engineering alternative to enhance cell wall properties of lignocellulosic biofuel crops.
C1 [Vega-Sanchez, Miguel E.; Loque, Dominique; Lao, Jeemeng; Catena, Michela; Verhertbruggen, Yves; Herter, Thomas; Yang, Fan; Ebert, Berit; Baidoo, Edward E. K.; Keasling, Jay D.; Scheller, Henrik V.; Heazlewood, Joshua L.; Ronald, Pamela C.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
[Vega-Sanchez, Miguel E.; Loque, Dominique; Lao, Jeemeng; Catena, Michela; Verhertbruggen, Yves; Herter, Thomas; Yang, Fan; Ebert, Berit; Baidoo, Edward E. K.; Keasling, Jay D.; Scheller, Henrik V.; Heazlewood, Joshua L.; Ronald, Pamela C.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Harholt, Jesper; Ebert, Berit] Univ Copenhagen, Dept Plant & Environm Sci, Frederiksberg C, Denmark.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Scheller, Henrik V.] Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA 94720 USA.
[Ronald, Pamela C.] Univ Calif Davis, Dept Plant Pathol, Davis, CA 95616 USA.
[Ronald, Pamela C.] Univ Calif Davis, Genome Ctr, Davis, CA 95616 USA.
RP Ronald, PC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
EM pcronald@ucdavis.edu
RI Yang, Fan/I-4438-2015; Loque, Dominique/A-8153-2008; Heazlewood,
Joshua/A-2554-2008; Ebert, Berit/F-1856-2016; Scheller,
Henrik/A-8106-2008;
OI Heazlewood, Joshua/0000-0002-2080-3826; Ebert,
Berit/0000-0002-6914-5473; Scheller, Henrik/0000-0002-6702-3560;
Verhertbruggen, Yves/0000-0003-4114-5428
FU Office of Science, Office of Biological and Environmental Research of
the U.S. Department of Energy [DE-AC02-05CH11231]; Villum Foundation
FX We thank Dr. Emilie Rennie for useful suggestions on sample purification
for metabolite analysis. This work conducted by the Joint BioEnergy
Institute was supported by the Office of Science, Office of Biological
and Environmental Research, of the U.S. Department of Energy under
Contract No. DE-AC02-05CH11231. J. H. was supported by the Villum
Foundation's Young Investigator Program.
NR 45
TC 7
Z9 7
U1 3
U2 19
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1467-7644
EI 1467-7652
J9 PLANT BIOTECHNOL J
JI Plant Biotechnol. J.
PD SEP
PY 2015
VL 13
IS 7
BP 903
EP 914
DI 10.1111/pbi.12326
PG 12
WC Biotechnology & Applied Microbiology; Plant Sciences
SC Biotechnology & Applied Microbiology; Plant Sciences
GA CP8XX
UT WOS:000360179400005
PM 25586315
ER
PT J
AU Fan, Y
Tan, KM
Chhor, G
Butler, EK
Jedrzejczak, RP
Missiakas, D
Joachimiak, A
AF Fan, Yao
Tan, Kemin
Chhor, Gekleng
Butler, Emily K.
Jedrzejczak, Robert P.
Missiakas, Dominique
Joachimiak, Andrzej
TI EsxB, a secreted protein from Bacillus anthracis forms two distinct
helical bundles
SO PROTEIN SCIENCE
LA English
DT Article
DE type VII secretion system; ESAT-6 like secretion system; WXG family;
EsxB; helix bundle; antiparallel dimer; bisecting U dimer; tetramer
ID VIRULENCE; SYSTEM; MODEL
AB The EsxB protein from Bacillus anthracis belongs to the WXG100 family, a group of proteins secreted by a specialized secretion system. We have determined the crystal structures of recombinant EsxB and discovered that the small protein (approximate to 10 kDa), comprised of a helix-loop-helix (HLH) hairpin, is capable of associating into two different helical bundles. The two basic quaternary assemblies of EsxB are an antiparallel (AP) dimer and a rarely observed bisecting U (BU) dimer. This structural duality of EsxB is believed to originate from the heptad repeat sequence diversity of the first helix of its HLH hairpin, which allows for two alternative helix packing. The flexibility of EsxB and the ability to form alternative helical bundles underscore the possibility that this protein can serve as an adaptor in secretion and can form hetero-oligomeric helix bundle(s) with other secreted members of the WXG100 family, such as EsxW. The highly conserved WXG motif is located within the loop of the HLH hairpin and is mostly buried within the helix bundle suggesting that its role is mainly structural. The exact functions of the motif, including a proposed role as a secretion signal, remain unknown.
PDB Code(s): PDB Code(s): PDB Code(s): PDB Code(s):
C1 [Fan, Yao; Tan, Kemin; Chhor, Gekleng; Jedrzejczak, Robert P.; Joachimiak, Andrzej] Argonne Natl Lab, Midwest Ctr Struct Genom, Argonne, IL 60439 USA.
[Tan, Kemin; Joachimiak, Andrzej] Argonne Natl Lab, Dept Biosci, Struct Biol Ctr, Argonne, IL 60439 USA.
[Tan, Kemin; Joachimiak, Andrzej] Univ Chicago, Ctr Struct Genom Infect Dis, Chicago, IL 60637 USA.
[Butler, Emily K.; Missiakas, Dominique] Argonne Natl Lab, Howard Taylor Ricketts Lab, Argonne, IL 60439 USA.
[Butler, Emily K.; Missiakas, Dominique] Univ Chicago, Dept Microbiol, Chicago, IL 60637 USA.
RP Joachimiak, A (reprint author), Argonne Natl Lab, Midwest Ctr Struct Genom, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM andrzejj@anl.gov
FU National Institutes of Health [GM074942, GM094585]; US Department of
Energy, Office of Biological and Environmental Research
[DE-AC02-06CH11357]
FX Grant sponsor: National Institutes of Health; Grant numbers: GM074942,
GM094585; Grant sponsor: US Department of Energy, Office of Biological
and Environmental Research; Grant number: DE-AC02-06CH11357.
NR 33
TC 1
Z9 1
U1 0
U2 2
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0961-8368
EI 1469-896X
J9 PROTEIN SCI
JI Protein Sci.
PD SEP
PY 2015
VL 24
IS 9
BP 1389
EP 1400
DI 10.1002/pro.2715
PG 12
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CQ1SX
UT WOS:000360380400006
PM 26032645
ER
PT J
AU Lou, YR
Kanninen, L
Kaehr, B
Townson, JL
Niklander, J
Harjumaki, R
Brinker, CJ
Yliperttula, M
AF Lou, Yan-Ru
Kanninen, Liisa
Kaehr, Bryan
Townson, Jason L.
Niklander, Johanna
Harjumaki, Riina
Brinker, C. Jeffrey
Yliperttula, Marjo
TI Silica bioreplication preserves three-dimensional spheroid structures of
human pluripotent stem cells and HepG2 cells
SO SCIENTIFIC REPORTS
LA English
DT Article
ID TERM SELF-RENEWAL; NANOFIBRILLAR CELLULOSE HYDROGEL; DIFFERENTIATION;
CULTURE; BIOCOMPOSITES; INTERFACES; SUSPENSION; SURFACES; SCAFFOLD;
TISSUES
AB Three-dimensional (3D) cell cultures produce more in vivo-like multicellular structures such as spheroids that cannot be obtained in two-dimensional (2D) cell cultures. Thus, they are increasingly employed as models for cancer and drug research, as well as tissue engineering. It has proven challenging to stabilize spheroid architectures for detailed morphological examination. Here we overcome this issue using a silica bioreplication (SBR) process employed on spheroids formed from human pluripotent stem cells (hPSCs) and hepatocellular carcinoma HepG2 cells cultured in the nanofibrillar cellulose (NFC) hydrogel. The cells in the spheroids are more round and tightly interacting with each other than those in 2D cultures, and they develop microvilli-like structures on the cell membranes as seen in 2D cultures. Furthermore, SBR preserves extracellular matrix-like materials and cellular proteins. These findings provide the first evidence of intact hPSC spheroid architectures and similar fine structures to 2D-cultured cells, providing a pathway to enable our understanding of morphogenesis in 3D cultures.
C1 [Lou, Yan-Ru; Kanninen, Liisa; Niklander, Johanna; Harjumaki, Riina; Yliperttula, Marjo] Univ Helsinki, Fac Pharm, Div Pharmaceut Biosci, Ctr Drug Res, FIN-00014 Helsinki, Finland.
[Kaehr, Bryan; Brinker, C. Jeffrey] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA.
[Kaehr, Bryan; Brinker, C. Jeffrey] Univ New Mexico, Dept Chem & Biomol Engn, Albuquerque, NM 87131 USA.
[Townson, Jason L.] Univ New Mexico, Dept Internal Med, Div Mol Med, Albuquerque, NM 87131 USA.
[Townson, Jason L.] Univ New Mexico, Ctr Microengn Mat, Albuquerque, NM 87131 USA.
RP Lou, YR (reprint author), Univ Helsinki, Fac Pharm, Div Pharmaceut Biosci, Ctr Drug Res, FIN-00014 Helsinki, Finland.
EM yan-ru.lou@helsinki.fi; marjo.yliperttula@helsinki.fi
RI Lou, Yan-Ru/K-4348-2012;
OI Lou, Yan-Ru/0000-0001-7717-6010; Harjumaki, Riina/0000-0002-1583-0379
FU Finnish Funding Agency for Innovation - industry-driven GrowDex II
project. L.K; US Department of Energy, Office of Science, Basic Energy
Sciences, Materials Sciences and Engineering Division; Air Force Office
of Scientific Research [FA9550-14-1-0066]; NSF INSPIRE [CBET-1344298]
FX This work was funded and supported by the Finnish Funding Agency for
Innovation - industry-driven GrowDex II project. L.K. acknowledges the
Doctoral Programme in Materials Research and Nanosciences and the
National Doctoral Programme in Nanoscience, Finland. B.K. and C.J.B.
acknowledge support from the US Department of Energy, Office of Science,
Basic Energy Sciences, Materials Sciences and Engineering Division.
J.L.T. acknowledges support from the Air Force Office of Scientific
Research under grant #FA9550-14-1-0066 and NSF INSPIRE (CBET-1344298).
We thank Dr. Kimmo Tanhuanpaa and Mr. Mika Molin from the Light
Microscope Unit, Institute of Biotechnology, the University of Helsinki,
Finland for a technical guidance with confocal microscopy and image
analysis. Ms. Maria Aatonen and Maria Semenova from the Department of
Biosciences, Faculty of Biological and Environmental Sciences,
University of Helsinki, Finland are gratefully thanked for their help
with flow cytometry analysis. We also would like to thank Erja
Piitulainen and Leena Pietila for their kind laboratory assistance.
NR 39
TC 2
Z9 2
U1 1
U2 20
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 2045-2322
J9 SCI REP-UK
JI Sci Rep
PD SEP 1
PY 2015
VL 5
AR 13635
DI 10.1038/srep13635
PG 9
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CQ1MF
UT WOS:000360361100001
PM 26323570
ER
PT J
AU Mustafi, D
Gleber, SC
Ward, J
Dougherty, U
Zamora, M
Markiewicz, E
Binder, DC
Antic, T
Vogt, S
Karczmar, GS
Oto, A
AF Mustafi, Devkumar
Gleber, Sophie-Charlotte
Ward, Jesse
Dougherty, Urszula
Zamora, Marta
Markiewicz, Erica
Binder, David C.
Antic, Tatjana
Vogt, Stefan
Karczmar, Gregory S.
Oto, Aytekin
TI IV Administered Gadodiamide Enters the Lumen of the Prostatic Glands:
X-Ray Fluorescence Microscopy Examination of a Mouse Model
SO AMERICAN JOURNAL OF ROENTGENOLOGY
LA English
DT Article
DE dynamic contrast-enhanced MRI; gadodiamide distribution in prostatic
tissues; mouse prostate; prostatic lumen; x-ray fluorescence microscopy
ID CONTRAST-ENHANCED MRI; CANCER DETECTION; PARAMETERS; METAANALYSIS;
CARCINOMA; TISSUES
AB OBJECTIVE. Dynamic contrast-enhanced MRI (DCE-MRI) has become a standard component of multiparametric protocols for MRI examination of the prostate, and its use is incorporated into current guidelines for prostate MRI examination. Analysis of DCE-MRI data for the prostate is usually based on the distribution of gadolinium-based agents, such as gadodiamide, into two well-mixed compartments, and it assumes that gadodiamide does not enter into the glandular lumen. However, this assumption has not been directly tested. The purpose of this study was to use x-ray fluorescence microscopy (XFM) imaging in situ to measure the concentration of gadodiamide in the epithelia and lumens of the prostate of healthy mice after IV injection of the contrast agent.
MATERIALS AND METHODS. Six C57Bl6 male mice (age, 28 weeks) were sacrificed 10 minutes after IV injection of gadodiamide (0.13 mmol/kg), and three mice were sacrificed after saline injection. Prostate tissue samples obtained from each mouse were harvested and frozen; 7-mu m-thick slices were sectioned for XFM imaging, and adjacent 5-mu m-thick slices were sectioned for H and E staining. Elemental concentrations were determined from XFM images.
RESULTS. A mean (+/- SD) baseline concentration of gadolinium of 0.01 +/- 0.01 mM was determined from XFM measurements of prostatic tissue samples when no gadodiamide was administered, and it was used to determine the measurement error. When gadodiamide was added, the mean concentrations of gadolinium in the epithelia and lumens in 32 prostatic glands from six mice were 1.00 +/- 0.13 and 0.36 +/- 0.09 mM, respectively.
CONCLUSION. Our data suggest that IV administration of gadodiamide results in uptake of contrast agent by the glandular lumens of the mouse prostate. We were able to quantitatively determine gadodiamide distributions in mouse prostatic epithelia and lumens.
C1 [Mustafi, Devkumar; Zamora, Marta; Markiewicz, Erica; Binder, David C.; Karczmar, Gregory S.; Oto, Aytekin] Univ Chicago, Dept Radiol, Chicago, IL 60637 USA.
[Gleber, Sophie-Charlotte; Ward, Jesse; Vogt, Stefan] Argonne Natl Lab, Adv Proton Source, Lemont, IL USA.
[Dougherty, Urszula] Univ Chicago, Dept Med, Chicago, IL 60637 USA.
[Antic, Tatjana] Univ Chicago, Dept Pathol, Chicago, IL 60637 USA.
RP Mustafi, D (reprint author), Univ Chicago, Dept Radiol, 920 E 58th St,CLSC 109, Chicago, IL 60637 USA.
EM dmustafi@uchicago.edu
RI Vogt, Stefan/B-9547-2009; Vogt, Stefan/J-7937-2013
OI Vogt, Stefan/0000-0002-8034-5513; Vogt, Stefan/0000-0002-8034-5513
FU National Institutes of Health [R01-172801, R01-CA133490]; Specialized
Programs of Research Excellence grant at the University of Chicago -
National Cancer Institute; U.S. Department of Energy [DE-AC02-06CH11357]
FX Supported by the National Institutes of Health (grants R01-172801 and
R01-CA133490) and a Specialized Programs of Research Excellence grant at
the University of Chicago funded by the National Cancer Institute. Use
of the Advanced Photon Source, an Office of Science user facility
operated for the U.S. Department of Energy Office of Science by Argonne
National Laboratory, was supported by the U.S. Department of Energy
(contract DE-AC02-06CH11357).
NR 23
TC 1
Z9 1
U1 0
U2 5
PU AMER ROENTGEN RAY SOC
PI RESTON
PA 1891 PRESTON WHITE DR, SUBSCRIPTION FULFILLMENT, RESTON, VA 22091 USA
SN 0361-803X
EI 1546-3141
J9 AM J ROENTGENOL
JI Am. J. Roentgenol.
PD SEP
PY 2015
VL 205
IS 3
BP W313
EP W319
DI 10.2214/AJR.14.14055
PG 7
WC Radiology, Nuclear Medicine & Medical Imaging
SC Radiology, Nuclear Medicine & Medical Imaging
GA CP6KW
UT WOS:000359997100010
PM 26295667
ER
PT J
AU Hlavsa, MC
Roberts, VA
Kahler, AM
Hilborn, ED
Mecher, TR
Beach, MJ
Wade, TJ
Yoder, JS
AF Hlavsa, Michele C.
Roberts, Virginia A.
Kahler, Amy M.
Hilborn, Elizabeth D.
Mecher, Taryn R.
Beach, Michael J.
Wade, Timothy J.
Yoder, Jonathan S.
TI Outbreaks of Illness Associated with Recreational Water-United States,
2011-2012
SO AMERICAN JOURNAL OF TRANSPLANTATION
LA English
DT Editorial Material
ID CRYPTOSPORIDIOSIS
C1 [Hlavsa, Michele C.; Roberts, Virginia A.; Kahler, Amy M.; Mecher, Taryn R.; Beach, Michael J.; Yoder, Jonathan S.] CDC, Div Foodborne Waterborne & Environm Dis, Natl Ctr Emerging & Zoonot Infect Dis, Atlanta, GA 30333 USA.
[Mecher, Taryn R.] Oak Ridge Inst Sci & Educ, Oak Ridge, TN USA.
RP Hlavsa, MC (reprint author), CDC, Div Foodborne Waterborne & Environm Dis, Natl Ctr Emerging & Zoonot Infect Dis, Atlanta, GA 30333 USA.
EM mhlavsa@cdc.gov
NR 10
TC 0
Z9 0
U1 3
U2 3
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1600-6135
EI 1600-6143
J9 AM J TRANSPLANT
JI Am. J. Transplant.
PD SEP
PY 2015
VL 15
IS 9
BP 2517
EP 2521
DI 10.1111/ajt.13473
PG 5
WC Surgery; Transplantation
SC Surgery; Transplantation
GA CP7JD
UT WOS:000360062300030
ER
PT J
AU Mearls, EB
Olson, DG
Herring, CD
Lynd, LR
AF Mearls, Elizabeth B.
Olson, Daniel G.
Herring, Christopher D.
Lynd, Lee R.
TI Development of a regulatable plasmid-based gene expression system for
Clostridium thermocellum
SO APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
LA English
DT Article
DE Laminaribiose; Inducible promoter; Biofuels; Spore formation
ID ESCHERICHIA-COLI; BACILLUS-SUBTILIS; HISTIDINE KINASES; ARABAD PROMOTER;
ENDOGLUCANASE-C; LAC REPRESSOR; ATCC 27405; SPORULATION; ACETOBUTYLICUM;
TRANSFORMATION
AB Clostridium thermocellum can rapidly solubilize cellulose and produces ethanol as an end product of its metabolism. As such, it is a candidate for bioethanol production from plant matter. In this study, we developed an inducible expression system for C. thermocellum based on its native celC operon. We enhanced expression over the native operon structure by placing the repressor gene, glyR3, immediately after the celC promoter, and expressing the target gene after glyR3. Upon the addition of the inducer substrate, laminaribiose, an approximately 40-fold increase in gene expression was obtained using the test gene spo0A. Furthermore, induction of the sporulation histidine kinase, clo1313_1942, increased sporulation frequency by approximately 10,000-fold relative to an uninduced control. We have also shown that the laminaribiose (beta 1-3-linked carbon source) utilization pathway is not catabolite repressed by cellobiose, a beta 1-4-linked carbon source frequently used for C. thermocellum cultivation in laboratory conditions. Selective expression of target genes has the potential to inform metabolic engineering strategies as well as increase fundamental understanding of C. thermocellum biology.
C1 [Mearls, Elizabeth B.; Olson, Daniel G.; Herring, Christopher D.; Lynd, Lee R.] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA.
[Mearls, Elizabeth B.; Olson, Daniel G.; Lynd, Lee R.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Herring, Christopher D.] Mascoma Corp, Lebanon, NH 03766 USA.
RP Lynd, LR (reprint author), Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA.
EM lee.r.lynd@dartmouth.edu
FU BioEnergy Science Center (BESC), Oak Ridge National Laboratory, a US
Department of Energy (DOE) BioEnergy Research Center - Office of
Biological and Environmental Research in the DOE Office of Science;
Mascoma Corporation
FX This research was supported by a grant from the BioEnergy Science Center
(BESC), Oak Ridge National Laboratory, a US Department of Energy (DOE)
BioEnergy Research Center supported by the Office of Biological and
Environmental Research in the DOE Office of Science.; Portions of this
research were performed during an internship at the Mascoma Corporation.
We would like to thank the Mascoma Corporation for their generous gift
of strain M1726 and for their support during the duration of this work.
NR 50
TC 1
Z9 1
U1 0
U2 17
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0175-7598
EI 1432-0614
J9 APPL MICROBIOL BIOT
JI Appl. Microbiol. Biotechnol.
PD SEP
PY 2015
VL 99
IS 18
BP 7589
EP 7599
DI 10.1007/s00253-015-6610-5
PG 11
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA CP7SI
UT WOS:000360087900016
PM 25994254
ER
PT J
AU Overman, NR
Overman, CT
Edwards, DJ
Hoppe, EW
AF Overman, N. R.
Overman, C. T.
Edwards, D. J.
Hoppe, E. W.
TI Mechanical property anisotropy in ultra-thick copper electrodeposits
SO APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
LA English
DT Article
AB Electroplating was used as a purification method and produced thick (3.2-12.2 mm) copper deposits of ultra-high radiopurity. Due to the extreme thickness of these electrodeposits compared to traditional electroplating, characterization is necessary to prevent costly failures and ensure device reliability. The deposition rate was carefully controlled to maintain a uniform growth front and required plating for a continuous 8 months in order to produce the 12.2-mm-thick copper specimen. Tensile testing shows the electroplated copper to exhibit significant strain hardening as would be expected with face-centered cubic materials, indicating that the material is free of significant defects and voids. Testing of eight tensile samples machined according to ASTM-E8 specifications exhibited yield strengths of 95 +/- A 4 MPa. Hardness was measured to be 79.8 +/- A 5.3 HV using a 200-gf load. Microstructure and deformation showed the grains to be highly aligned with respect to the growth direction, and electron backscatter diffraction showed the development of a (110) texture.
C1 [Overman, N. R.; Overman, C. T.; Edwards, D. J.; Hoppe, E. W.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Overman, NR (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM Nicole.Overman@pnnl.gov; Cory.Overman@pnnl.gov; Dan.Edwards@pnnl.gov;
Eric.Hoppe@pnnl.gov
FU United States Department of Energy, Office of Nuclear Physics
[DE-FG02-97ER41041]; United States Department of Energy
[DE-AC05-76RL01830]; MAJORANA Collaboration
FX The authors wish to thank the United States Department of Energy, Office
of Nuclear Physics under Grant DE-FG02-97ER41041 for support of this
work. Pacific Northwest National Laboratory is operated for the United
States Department of Energy by Battelle Memorial Institute under
contract DE-AC05-76RL01830. Support from the MAJORANA Collaboration is
gratefully acknowledged along with the experimental assistance and
helpful discussion of Stan Pitman, Mike Dahl and Tyler Kafentzis.
NR 27
TC 1
Z9 1
U1 1
U2 8
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0947-8396
EI 1432-0630
J9 APPL PHYS A-MATER
JI Appl. Phys. A-Mater. Sci. Process.
PD SEP
PY 2015
VL 120
IS 3
BP 1181
EP 1187
DI 10.1007/s00339-015-9298-6
PG 7
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CO8QS
UT WOS:000359435900046
ER
PT J
AU Alexander, FJ
Meneveau, C
AF Alexander, Francis J.
Meneveau, Charles
TI Open Simulation Laboratories
SO COMPUTING IN SCIENCE & ENGINEERING
LA English
DT Editorial Material
C1 [Alexander, Francis J.] Los Alamos Natl Lab, Comp Computat & Stat Sci Div, Los Alamos, NM 87545 USA.
[Meneveau, Charles] Johns Hopkins Univ, Dept Mech Engn, Baltimore, MD 21218 USA.
[Meneveau, Charles] Johns Hopkins Univ, IDIES, Baltimore, MD 21218 USA.
RP Alexander, FJ (reprint author), Los Alamos Natl Lab, Comp Computat & Stat Sci Div, Los Alamos, NM 87545 USA.
EM fja@lanl.gov; meneveau@jhu.edu
NR 0
TC 0
Z9 0
U1 0
U2 0
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1521-9615
EI 1558-366X
J9 COMPUT SCI ENG
JI Comput. Sci. Eng.
PD SEP-OCT
PY 2015
VL 17
IS 5
BP 7
EP 9
PG 3
WC Computer Science, Interdisciplinary Applications
SC Computer Science
GA CP6WR
UT WOS:000360029400002
ER
PT J
AU Madduri, R
Rodriguez, A
Uram, T
Heitmann, K
Malik, T
Sehrish, S
Chard, R
Cholia, S
Paterno, M
Kowalkowski, J
Habib, S
AF Madduri, Ravi
Rodriguez, Alex
Uram, Thomas
Heitmann, Katrin
Malik, Tanu
Sehrish, Saba
Chard, Ryan
Cholia, Shreyas
Paterno, Marc
Kowalkowski, Jim
Habib, Salman
TI PDACS: A Portal for Data Analysis Services for Cosmological Simulations
SO COMPUTING IN SCIENCE & ENGINEERING
LA English
DT Article
AB A Web-based analysis portal provides access both to large simulations and parallel analysis tools and to opportunities to access, transfer, manipulate,search, and record simulation data. The system allows for cross-layer provenance tracking and implementing a transparent method for sharing workflow specifications, offering a convenient mechanism fort checking reproducibility.
C1 [Madduri, Ravi] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Rodriguez, Alex] Univ Chicago, Computat Inst, Chicago, IL 60637 USA.
[Uram, Thomas] Argonne Natl Lab, Argonne, IL 60439 USA.
[Heitmann, Katrin] Argonne Natl Lab, High Energy Phys & Math & Computat Sci Div, Argonne, IL 60439 USA.
[Malik, Tanu] Univ Chicago, Computat Inst, Chicago, IL 60637 USA.
[Malik, Tanu] Univ Chicago, Dept Comp Sci, Chicago, IL 60637 USA.
[Sehrish, Saba] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Chard, Ryan] Victoria Univ Wellington, Sch Engn & Comp Sci, Wellington, New Zealand.
[Cholia, Shreyas] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
[Paterno, Marc] Fermilab Natl Accelerator Lab, Tools & Adv Comp Grp, Div Comp Sci, Batavia, IL 60510 USA.
[Kowalkowski, Jim] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Habib, Salman] Argonne Natl Lab, High Energy Phys Div, Argonne, IL 60439 USA.
[Habib, Salman] Argonne Natl Lab, Math & Computat Sci Div, Argonne, IL 60439 USA.
RP Madduri, R (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
EM madduri@anl.gov; arodri7@uchicago.edu; turam@anl.gov; heitmann@-anl.gov;
tanum@ci.uchicago.edu; ssehrish@fnal.gov; ryan@ecs.vuw.ac.nz;
scholia@lbl.gov; paterno@fnal.gov; jbk@fnal.gov; habib@anl.gov
FU US Department of Energy, Basic Energy Sciences, Office of Science
[DE-AC02-06CH11357]
FX We were supported by the US Department of Energy, Basic Energy Sciences,
Office of Science, under contract number DE-AC02-06CH11357. Initial
support for PDACS development was provided by the US Department of
Energy, High Energy Physics. This research used resources at ALCF,
Argonne National Laboratory, NERSC, Lawrence Berkeley National
Laboratory, and OLCF, Oak Ridge National Laboratory.
NR 9
TC 0
Z9 0
U1 0
U2 0
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1521-9615
EI 1558-366X
J9 COMPUT SCI ENG
JI Comput. Sci. Eng.
PD SEP-OCT
PY 2015
VL 17
IS 5
BP 18
EP 26
PG 9
WC Computer Science, Interdisciplinary Applications
SC Computer Science
GA CP6WR
UT WOS:000360029400004
ER
PT J
AU Wolf, L
Collins, J
AF Wolf, Laura
Collins, Jim
TI Putting Regional Climate Prediction in Reach
SO COMPUTING IN SCIENCE & ENGINEERING
LA English
DT Editorial Material
C1 [Wolf, Laura; Collins, Jim] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Wolf, L (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA.
EM lwolf@anl.gov; jcollins@anl.gov
NR 0
TC 0
Z9 0
U1 0
U2 0
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1521-9615
EI 1558-366X
J9 COMPUT SCI ENG
JI Comput. Sci. Eng.
PD SEP-OCT
PY 2015
VL 17
IS 5
BP 49
EP 51
PG 3
WC Computer Science, Interdisciplinary Applications
SC Computer Science
GA CP6WR
UT WOS:000360029400008
ER
PT J
AU Cao, FY
Shi, ZM
Song, GL
Liu, M
Dargusch, MS
Atrens, A
AF Cao, Fuyong
Shi, Zhiming
Song, Guang-Ling
Liu, Ming
Dargusch, Matthew S.
Atrens, Andrej
TI Stress corrosion cracking of several hot-rolled binary Mg-X alloys
SO CORROSION SCIENCE
LA English
DT Article
DE Magnesium; SEM; Hydrogen embrittlement; Stress corrosion
ID AZ31 MAGNESIUM ALLOY; SLOW STRAIN-RATE; HYDROGEN EMBRITTLEMENT; PURE
MAGNESIUM; AL ALLOYS; CRYSTALLOGRAPHIC ORIENTATION; PHYSIOLOGICAL
ENVIRONMENT; BEHAVIOR; SCC; MECHANISM
AB The stress corrosion cracking (SCC) of hot-rolled Mg0.1Zr, Mg0.1Sr, Mg1Mn, Mg0.3Si, Mg5Sn, Mg0.7La, Mg0.9Ce, Mg0.6Nd, Mg6Al, Mg5Gd and Mg0.3Ca in distilled water (DW) was studied using the linearly increasing stress test (LIST). Hot-rolled Mg1Mn and Mg0.7La had some SCC susceptibility in DW. All the other hot-rolled Mg-X alloys had little SCC susceptibility in DW. There was no obvious difference of the fractography between the specimens tested in air and in DW. The increase of SCC resistance by hot-rolling was related to improvement of the microstructure. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Cao, Fuyong; Shi, Zhiming; Song, Guang-Ling; Dargusch, Matthew S.; Atrens, Andrej] Univ Queensland, Sch Mech & Min Engn, Mat Engn, Brisbane, Qld 4072, Australia.
[Shi, Zhiming; Dargusch, Matthew S.] Univ Queensland, Ctr Adv Mat Proc & Mfg AMPAM, Brisbane, Qld 4072, Australia.
[Song, Guang-Ling] Oak Ridge Natl Lab, Corros Sci & Technol, Oak Ridge, TN 37831 USA.
[Liu, Ming] GM China Sci Lab, Shanghai 201206, Peoples R China.
RP Atrens, A (reprint author), Univ Queensland, Sch Mech & Min Engn, Mat Engn, Brisbane, Qld 4072, Australia.
EM Andrejs.Atrens@uq.edu.au
RI Song, Guang-Ling/D-9540-2013; Atrens, Andrejs/I-5850-2013;
OI Song, Guang-Ling/0000-0002-9802-6836; Atrens,
Andrejs/0000-0003-0671-4082; Dargusch, Matthew/0000-0003-4336-5811
FU Australian Research Council Centre of Excellence Design of Light Alloys
[CE0561574]; GM Global Research and Development; China Scholarship
Council under State Scholarship Fund
FX This research was supported by the Australian Research Council Centre of
Excellence Design of Light Alloys, CE0561574, and GM Global Research and
Development. Nicole Stanford and Mohan Setty are thanked for carrying
out the hot rolling of the Mg-X alloys at the Institute for Frontier
Materials, Deakin University, Geelong Waurn Ponds Campus, Vic 3220,
Australia. Thanks to the China Scholarship Council to provide a
scholarship under the State Scholarship Fund to Fuyong Cao. The authors
acknowledge the facilities and the scientific and technical assistance
of the Australian Microscopy & Microanalysis Research Facility at the
Centre for Microscopy & Microanalysis, The University of Queensland.
NR 55
TC 3
Z9 4
U1 3
U2 26
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0010-938X
EI 1879-0496
J9 CORROS SCI
JI Corrosion Sci.
PD SEP
PY 2015
VL 98
BP 6
EP 19
DI 10.1016/j.corsci.2015.04.023
PG 14
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO9OH
UT WOS:000359504600002
ER
PT J
AU Chen, T
Nutter, J
Sai, JS
Hawk, J
Liu, XB
AF Chen, Ting
Nutter, Jared
Sai, Jingsheng
Hawk, Jeffrey
Liu, Xingbo
TI Corrosion fatigue crack growth behavior of oil-grade nickel-base alloy
718. Part 2: Effect of aging treatment
SO CORROSION SCIENCE
LA English
DT Article
DE Superalloys; SEM; TEM; Polarization; Pitting corrosion; Corrosion
fatigue
ID HEAT-TREATMENT; SURFACE MODIFICATIONS; ELEVATED-TEMPERATURE; GRAIN-SIZE;
MICROMECHANISMS; SUPERALLOY; MICROSTRUCTURE; 650-DEGREES-C; DEFORMATION;
PROPAGATION
AB The influence of aging treatment on microstructure and corrosion fatigue crack growth (CFCG) behavior of oil-grade nickel-base alloy 718 is investigated. The average grain size of alloy 718 increases after aging treatment. Isolated platelet delta phases are precipitated at some of the grain boundaries in aged specimens. The one-step aged specimen shows a uniform distribution of fine spherical gamma' and elongated gamma '' precipitates. However, the two-step aged sample shows much finer gamma '' precipitates. Aging treatment leads to lower CFCG rates of alloy 718. Nevertheless, no visible difference of CFCG rates is observed between one-step aged and two-step aged specimens. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Chen, Ting; Nutter, Jared; Hawk, Jeffrey; Liu, Xingbo] Natl Energy Technol Lab, Albany, OR 97321 USA.
[Chen, Ting; Nutter, Jared; Liu, Xingbo] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
[Chen, Ting] SET Labs Inc, Stafford, TX 77477 USA.
[Sai, Jingsheng] Inst Met Sci & Technol, Shenyang 110015, Peoples R China.
RP Liu, XB (reprint author), W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
EM xingbo.liu@mail.wvu.edu
OI Liu, Xingbo/0000-0001-8720-7175
FU National Energy Technology Laboratory under the RES [DE-FE000400]
FX This technical effort was performed in support of the National Energy
Technology Laboratory's ongoing research in materials for ultra-deep
drilling under the RES contract DE-FE000400. The authors appreciate Dr.
Hendrik John and Mr. John Stevens from Baker Hughes for providing the
specimens used in this study, and Prof. Lei Lu from Institute of Metal
Research for her support on our TEM investigations. We acknowledge use
of the WVU Shared Research Facilities.
NR 36
TC 1
Z9 1
U1 2
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0010-938X
EI 1879-0496
J9 CORROS SCI
JI Corrosion Sci.
PD SEP
PY 2015
VL 98
BP 280
EP 290
DI 10.1016/j.corsci.2015.05.033
PG 11
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO9OH
UT WOS:000359504600029
ER
PT J
AU Song, GL
Unocic, KA
AF Song, Guang-Ling
Unocic, Kinga A.
TI The anodic surface film and hydrogen evolution on Mg
SO CORROSION SCIENCE
LA English
DT Article
DE Magnesium; EIS; TEM; SEM; Anodic dissolution; Negative difference effect
ID MAGNESIUM ALLOYS; PURE MAGNESIUM; ELECTROCHEMICAL CORROSION; ATMOSPHERIC
CORROSION; ALKALINE-SOLUTIONS; WATER; AZ31; BEHAVIOR; DISSOLUTION;
EXPOSURE
AB This study clarifies that the inner and outer layers of the anodic film consist of a nano/micro-porous MgO + Mg(OH)(2) mixture. The film becomes thicker and more porous with increasing potential. It can rupture when potential is too positive in a non-corrosive Mg(OH)(2) solution. Hydrogen evolution becomes more intensive as polarization potential increases, particularly when the potential at the film-covered Mg surface is close to or more positive than the hydrogen equilibrium potential, suggesting that an "anodic hydrogen evolution" (AHE) reaction occurs on the substrate Mg in film pores, and the significantly intensified AHE causes film rupture at high potential. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Song, Guang-Ling; Unocic, Kinga A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Song, GL (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM guangling.song@hotmail.com
RI Song, Guang-Ling/D-9540-2013
OI Song, Guang-Ling/0000-0002-9802-6836
FU U.S. DOE EERE Vehicle Technologies Office; U.S. Department of Energy
[DE-AC05-00OR22725]
FX The research was sponsored by the U.S. DOE EERE Vehicle Technologies
Office. This manuscript has been authored by UT-Battelle, LLC, under
Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The
United States Government retains and the publisher, by accepting the
article for publication, acknowledges that the United States Government
retains a non-exclusive, paid-up, irrevocable, world-wide license to
publish or reproduce the published form of this manuscript, or allow
others to do so, for United States Government purposes. The authors
thank Dr. M.P. Brady, Dr. Jeffery K. Thomson and Dr. Bruce A. Pint for
providing beneficial discussion and useful comments. Ms. T. Lowe's help
in SEM and Ms. S. Curlin's assistance in optical microscopy are
appreciated.
NR 47
TC 14
Z9 14
U1 2
U2 33
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0010-938X
EI 1879-0496
J9 CORROS SCI
JI Corrosion Sci.
PD SEP
PY 2015
VL 98
BP 758
EP 765
DI 10.1016/j.corsci.2015.05.047
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO9OH
UT WOS:000359504600078
ER
PT J
AU Michalska, K
Steen, AD
Chhor, G
Endres, M
Webber, AT
Bird, J
Lloyd, KG
Joachimiak, A
AF Michalska, Karolina
Steen, Andrew D.
Chhor, Gekleng
Endres, Michael
Webber, Austen T.
Bird, Jordan
Lloyd, Karen G.
Joachimiak, Andrzej
TI New aminopeptidase from "microbial dark matter" archaeon
SO FASEB JOURNAL
LA English
DT Article
DE carbon cycle; marine sediments; single-cell genomics; detrital proteins
ID ACID ESTER HYDROLASE; LIGATION-INDEPENDENT CLONING; HIGH-THROUGHPUT;
CRYSTAL-STRUCTURE; GENE-EXPRESSION; LIC VECTORS; PROTEINS; MODEL;
CRYSTALLOGRAPHY; PURIFICATION
AB Marine sediments host a large population of diverse, heterotrophic, uncultured microorganisms with unknown physiologies that control carbon flow through organic matter decomposition. Recently, single-cell genomics uncovered new key players in these processes, such as the miscellaneous crenarchaeotal group. These widespread archaea encode putative intra- and extracellular proteases for the degradation of detrital proteins present in sediments. Here, we show that one of these enzymes is a self-compartmentalizing tetrameric aminopeptidase with a preference for cysteine and hydrophobic residues at the N terminus of the hydrolyzed peptide. The ability to perform detailed characterizations of enzymes from native subsurface microorganisms, without requiring that those organisms first be grown in pure culture, holds great promise for understanding key carbon transformations in the environment as well as identifying new enzymes for biomedical and biotechnological applications.
C1 [Michalska, Karolina; Chhor, Gekleng; Endres, Michael; Joachimiak, Andrzej] Argonne Natl Lab, Biosci Div, Midwest Ctr Struct Genom, Argonne, IL 60439 USA.
[Michalska, Karolina; Joachimiak, Andrzej] Argonne Natl Lab, Biosci Div, Struct Biol Ctr, Argonne, IL 60439 USA.
[Steen, Andrew D.; Bird, Jordan; Lloyd, Karen G.] Univ Tennessee, Dept Microbiol, Knoxville, TN 37996 USA.
[Steen, Andrew D.; Webber, Austen T.] Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN USA.
[Joachimiak, Andrzej] Univ Chicago, Dept Biochem & Mol Biol, Chicago, IL 60637 USA.
RP Joachimiak, A (reprint author), Argonne Natl Lab, Biosci Div, Struct Biol Ctr, 9700 South Cass Ave,Bldg 446, Argonne, IL 60439 USA.
EM andrzejj@anl.gov
OI Bird, Jordan/0000-0001-5753-6058
FU U.S. National Institutes of Health, National Institute of General
Medical Sciences [GM094585]; U.S. Department of Energy, Office of
Biological and Environmental Research [DE-AC02-06CH11357]; Center for
Dark Energy Biosphere Investigations [157595, 36202823]; U.S. Department
of Energy Office of Science laboratory [DE-AC02-06CH11357]
FX The authors thank Dr. Robert Jedrzejczak (Argonne National Laboratory)
for discussion of cloning strategy, Dr. Gyorgy Babnigg (Argonne National
Laboratory) for help in designing the cloning construct, Katlyn Fayman
(Argonne National Laboratory) for help with protein purification,
members of the Structural Biology Center at Argonne National Laboratory
for their help with data collection at the 19-Insertion Device Beamline,
Dr. Steven Wilhelm (University of Tennessee Department of Microbiology)
for provision of lab space to A.D.S., and Dr. B. B. Jorgensen and the
staff of the Center for Geomicrobiology at Aarhus University (Aarhus,
Denmark) for providing amplified genomic deoxyribonucleic acid. This
work was supported by the following funds: U.S. National Institutes of
Health, National Institute of General Medical Sciences Grant GM094585
(to A.J.); the U.S. Department of Energy, Office of Biological and
Environmental Research, under contract DE-AC02-06CH11357 (to A.J.); and
Center for Dark Energy Biosphere Investigations Grants 157595 (to
K.G.L.) and 36202823 (to A.D.S.). This work is Center for Dark Energy
Biosphere Investigation Contribution 268. The submitted manuscript has
been created by UChicago Argonne, Limited Liability Company, Operator of
Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of
Energy Office of Science laboratory, is operated under Contract No.
DE-AC02-06CH11357. The U.S. Government retains for itself, and others
acting on its behalf, a paid-up nonexclusive, irrevocable worldwide
license in said article to reproduce, prepare derivative works,
distribute copies to the public, and perform publicly and display
publicly, by or on behalf of the Government.
NR 41
TC 1
Z9 1
U1 3
U2 17
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
EI 1530-6860
J9 FASEB J
JI Faseb J.
PD SEP
PY 2015
VL 29
IS 9
BP 4071
EP 4079
DI 10.1096/fj.15-272906
PG 9
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA CP5IU
UT WOS:000359915600040
PM 26062601
ER
PT J
AU Glinsky, ME
Cortis, A
Chen, J
Sassen, D
Rael, H
AF Glinsky, Michael E.
Cortis, Andrea
Chen, Jinsong
Sassen, Doug
Rael, Howard
TI Geomechanical property estimation of unconventional reservoirs using
seismic data and rock physics
SO GEOPHYSICAL PROSPECTING
LA English
DT Article
DE Quantitative interpretation; Rock physics; Seismics; Multi-component;
Unconventional reservoir; Inverse problem
ID LINEAR AVO APPROXIMATION; AMPLITUDE ANALYSIS; ELASTIC PROPERTIES; MODEL;
INVERSION; SHALES; PROGRAM
AB An extension of a previously developed rock physics model is made that quantifies the relationship between the ductile fraction of a brittle/ductile binary mixture and the isotropic seismic reflection response. By making a weak scattering (Born) approximation and plane wave (eikonal) approximation, with a subsequent ordering according to the angles of incidence, singular value decomposition analyses are performed to understand the stack weightings, number of stacks, and the type of stacks that will optimally estimate two fundamental rock physics parameters - the ductile fraction and the compaction and/or diagenesis. It is concluded that the full PP stack, i.e., sum of all PP offset traces, and the full PS stack, i.e., linear weighted sum of PS offset traces, are the two optimal stacks needed to estimate the two rock physics parameters. They dominate over both the second-order amplitude variation offset gradient stack, which is a quadratically weighted sum of PP offset traces that is effectively the far offset traces minus the near offset traces, and the higher order fourth order PP stack (even at large angles of incidence). Using this result and model-based Bayesian inversion, the seismic detectability of the ductile fraction (shown by others to be the important rock property for the geomechanical response of unconventional reservoir fracking) is demonstrated on a model characteristic of the Marcellus shale play.
C1 [Glinsky, Michael E.] Geotrace Technol, Houston, TX 77079 USA.
[Cortis, Andrea] AYASDI, Menlo Pk, CA 94025 USA.
[Sassen, Doug; Rael, Howard] ION Geophys, Houston, TX 77042 USA.
[Chen, Jinsong] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Glinsky, ME (reprint author), Geotrace Technol, 12141 Wickchester Lane,Suite 200, Houston, TX 77079 USA.
EM glinsky@qitech.biz
RI Chen, Jinsong/A-1374-2009
NR 29
TC 0
Z9 0
U1 1
U2 11
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0016-8025
EI 1365-2478
J9 GEOPHYS PROSPECT
JI Geophys. Prospect.
PD SEP
PY 2015
VL 63
IS 5
BP 1224
EP 1245
DI 10.1111/1365-2478.12211
PG 22
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CP7NH
UT WOS:000360074400013
ER
PT J
AU Villegas, JC
Dominguez, F
Barron-Gafford, GA
Adams, HD
Guardiola-Claramonte, M
Sommer, ED
Selvey, AW
Espeleta, JF
Zou, CB
Breshears, DD
Huxman, TE
AF Villegas, Juan Camilo
Dominguez, Francina
Barron-Gafford, Greg A.
Adams, Henry D.
Guardiola-Claramonte, Maite
Sommer, Evan D.
Selvey, Ashley Wiede
Espeleta, Javier F.
Zou, Chris B.
Breshears, David D.
Huxman, Travis E.
TI Sensitivity of regional evapotranspiration partitioning to variation in
woody plant cover: insights from experimental dryland tree mosaics
SO GLOBAL ECOLOGY AND BIOGEOGRAPHY
LA English
DT Article
DE Ecohydrology; evapotranspiration; evapotranspiration partitioning;
global change; soil evaporation; surface-atmosphere interaction;
transpiration; vegetation change; woody canopy cover
ID SOIL EVAPORATION; CLIMATE VARIABILITY; MODELING SYSTEM; WATER-CYCLE; SAP
FLOW; TRANSPIRATION; ISOTOPE; FLUX; ENCROACHMENT; COMPONENTS
AB AimMovement of water from the land surface to the atmosphere (evapotranspiration, ET) is the dominant output flux in the global terrestrial surface water budget. The partitioning of ET between soil evaporation (E) and plant transpiration (T) couples important ecological, hydrological and atmospheric processes. ET partitioning has been hypothesized to vary as a function of woody plant cover, yet a relationship between ET partitioning and woody cover has not been quantified empirically. Land surface models assume unit increase in T per unit increase in vegetation cover (woody cover), following a proportional linear relationship. Recent assessments have questioned the validity of this assumption for heterogeneous canopies, but we lack experimental data across an explicitly defined gradient of woody cover to characterize this relationship.
LocationNorth American monsoon region.
MethodsIn a controlled dryland environment experimental facility, we manipulated woody cover and documented the response of ET and its component fluxes. We incorporated the resulting functions into a widely used coupled land-atmosphere model (WRF-Noah) to document the implications of modifying specific model parameters that assume (1:1) proportionality.
ResultsAs total ET increased with woody cover, T/ET deviated below 1:1 proportionality. Using our experimentally determined relationship for ET partitioning and woody cover in the model, we observed reductions in ET of as much as 40% during the monsoon season and annual increases of almost 200% in regional E.
Main conclusionsOur results highlight a limitation of modelled ET that affects regional to global patterns of water flux, with implications for a number of earth surface processes. A better understanding of how changing woody cover influences patch-scale ecohydrological processes is needed, particularly under current changes in woody cover associated with deforestation, afforestation and drought-induced mortality. More specifically, improved representation of E and T fluxes will improve understanding and modelling of large-scale ecological, hydrological and atmospheric processes.
C1 [Villegas, Juan Camilo] Univ Antioquia, Fac Ingn, Escuela Ambiental, Medellin, Colombia.
[Villegas, Juan Camilo; Breshears, David D.] Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ USA.
[Villegas, Juan Camilo; Barron-Gafford, Greg A.; Sommer, Evan D.; Selvey, Ashley Wiede; Espeleta, Javier F.; Breshears, David D.] Univ Arizona, EarthSci B12, Biosphere 2, Tucson, AZ USA.
[Dominguez, Francina] Univ Arizona, Dept Atmospher Sci, Tucson, AZ USA.
[Dominguez, Francina; Guardiola-Claramonte, Maite] Univ Arizona, Dept Hydrol & Water Resources, Tucson, AZ USA.
[Barron-Gafford, Greg A.] Univ Arizona, Sch Geog & Dev, Tucson, AZ USA.
[Adams, Henry D.] Los Alamos Natl Lab, Earth & Environm Sci Div, Los Alamos, NM USA.
[Zou, Chris B.] Oklahoma State Univ, Dept Nat Resource Ecol & Management, Stillwater, OK USA.
[Breshears, David D.] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ USA.
[Huxman, Travis E.] Univ Calif Irvine, Ecol & Evolutionary Biol, Irvine, CA USA.
[Huxman, Travis E.] Univ Calif Irvine, Ctr Environm Biol, Irvine, CA USA.
RP Villegas, JC (reprint author), Sch Nat Resources & Environm Biol Sci East, Room 325,1311 East 4th St, Tucson, AZ 85721 USA.
EM villegas@email.arizona.edu
RI Dominguez, Francina/D-4412-2012; Zou, Chris/A-5039-2010
OI Zou, Chris/0000-0003-0080-2866
FU Biosphere 2 (B2 Earthscience via Philecology Foundation); NSF
[EF-1340624, EAR-0724958, EAR-1331408]; Universidad de Antioquia -
Estrategia de sostenibilidad
FX We thank Isabel C. Rivera, Darin J. Law, and Biosphere 2 staff, interns
and volunteers for assistance in the completion of the experiment; Peter
A. Troch, Lixin Wang and Kelly K. Caylor for support with design and
analysis; Shirley A. Papuga, Laura Lopez-Hoffman and Brian J. Enquist
for comments on the manuscript. Research was supported by Biosphere 2
(B2 Earthscience via Philecology Foundation) and NSF (Macrosystems
Biology EF-1340624 and the Jemez River Basin - Santa Catalina Mountains
Critical Zone Observatory EAR-0724958 and EAR-1331408). Additional
support for J.C.V. from Universidad de Antioquia - Estrategia de
sostenibilidad 2014-2015.
NR 44
TC 1
Z9 1
U1 6
U2 44
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1466-822X
EI 1466-8238
J9 GLOBAL ECOL BIOGEOGR
JI Glob. Ecol. Biogeogr.
PD SEP
PY 2015
VL 24
IS 9
BP 1040
EP 1048
DI 10.1111/geb.12349
PG 9
WC Ecology; Geography, Physical
SC Environmental Sciences & Ecology; Physical Geography
GA CP4QM
UT WOS:000359867400005
ER
PT J
AU Dewji, SA
Bellamy, M
Hertel, N
Leggett, R
Sherbini, S
Saba, M
Eckerman, K
AF Dewji, Shaheen Azim
Bellamy, Michael
Hertel, Nolan
Leggett, Richard
Sherbini, Sami
Saba, Mohammad
Eckerman, Keith
TI ASSESSMENT OF THE POINT-SOURCE METHOD FOR ESTIMATING DOSE RATES TO
MEMBERS OF THE PUBLIC FROM EXPOSURE TO PATIENTS WITH I-131 THYROID
TREATMENT
SO HEALTH PHYSICS
LA English
DT Article
ID THERAPY
AB The U.S. Nuclear Regulatory Commission (USNRC) initiated a contract with Oak Ridge National Laboratory (ORNL) to calculate radiation dose rates to members of the public that may result from exposure to patients recently administered iodine-131 (I-131) as part of medical therapy. The main purpose was to compare dose rate estimates based on a point source and target with values derived from more realistic simulations of a human source and target. The latter simulations considered the time-dependent distribution of I-131 in the patient and attenuation of emitted photons by the patient's tissues. The external dose rate estimates were derived using Monte Carlo methods and two representations of the Phantom with Movable Arms and Legs (PIMAL), previously developed by ORNL and the USNRC, to model the patient and a nearby member of the public. Dose rates to tissues and effective dose rates were calculated for distances ranging from 10 cm to 300 cm between the phantoms. Dose rates estimated from these simulations are compared to estimates based on the point-source method, as well as to results of previous studies that estimated exposure from I-131 patients. The point-source method overestimates dose rates to members of the public in very close proximity to an I-131 patient but is a broadly accurate method of dose rate estimation at separation distances of 300 cm or more at times closer to administration.
C1 [Dewji, Shaheen Azim; Bellamy, Michael; Hertel, Nolan; Leggett, Richard; Eckerman, Keith] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Hertel, Nolan] Georgia Inst Technol, Atlanta, GA 30332 USA.
[Sherbini, Sami; Saba, Mohammad] US Nucl Regulatory Commiss, Washington, DC 20555 USA.
RP Dewji, SA (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd,MS-6335, Oak Ridge, TN 37831 USA.
EM dewjisa@ornl.gov
RI Dewji, Shaheen/J-6634-2016
OI Dewji, Shaheen/0000-0002-3699-5877
FU United States Nuclear Regulatory Commission [NRC-HQ-60-11-D-0024]; Oak
Ridge National Laboratory
FX This work was funded by the United States Nuclear Regulatory Commission
under contract number NRC-HQ-60-11-D-0024 with Oak Ridge National
Laboratory.
NR 14
TC 1
Z9 1
U1 0
U2 2
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA TWO COMMERCE SQ, 2001 MARKET ST, PHILADELPHIA, PA 19103 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD SEP
PY 2015
VL 109
IS 3
BP 233
EP 241
DI 10.1097/HP.0000000000000327
PG 9
WC Environmental Sciences; Public, Environmental & Occupational Health;
Nuclear Science & Technology; Radiology, Nuclear Medicine & Medical
Imaging
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health; Nuclear Science & Technology; Radiology, Nuclear Medicine &
Medical Imaging
GA CO9JI
UT WOS:000359491100007
PM 26222218
ER
PT J
AU Yue, HW
Wang, MM
Wang, SP
Gilbert, JA
Sun, X
Wu, LW
Lin, QY
Hu, YG
Li, XZ
He, ZL
Zhou, JZ
Yang, YF
AF Yue, Haowei
Wang, Mengmeng
Wang, Shiping
Gilbert, Jack A.
Sun, Xin
Wu, Linwei
Lin, Qiaoyan
Hu, Yigang
Li, Xiangzhen
He, Zhili
Zhou, Jizhong
Yang, Yunfeng
TI The microbe-mediated mechanisms affecting topsoil carbon stock in
Tibetan grasslands
SO ISME JOURNAL
LA English
DT Article
ID CLIMATE-CHANGE; COMMUNITY STRUCTURE; BIOGEOCHEMICAL CYCLES; ALPINE
MEADOW; SOIL; NITROGEN; PLATEAU; RESPONSES; GRADIENT; TUNDRA
AB Warming has been shown to cause soil carbon (C) loss in northern grasslands owing to accelerated microbial decomposition that offsets increased grass productivity. Yet, a multi-decadal survey indicated that the surface soil C stock in Tibetan alpine grasslands remained relatively stable. To investigate this inconsistency, we analyzed the feedback responses of soil microbial communities to simulated warming by soil transplant in Tibetan grasslands. Whereas microbial functional diversity decreased in response to warming, microbial community structure did not correlate with changes in temperature. The relative abundance of catabolic genes associated with nitrogen (N) and C cycling decreased with warming, most notably in genes encoding enzymes associated with more recalcitrant C substrates. By contrast, genes associated with C fixation increased in relative abundance. The relative abundance of genes associated with urease, glutamate dehydrogenase and ammonia monoxygenase (ureC, gdh and amoA) were significantly correlated with N2O efflux. These results suggest that unlike arid/semiarid grasslands, Tibetan grasslands maintain negative feedback mechanisms that preserve terrestrial C and N pools. To examine whether these trends were applicable to the whole plateau, we included these measurements in a model and verified that topsoil C stocks remained relatively stable. Thus, by establishing linkages between microbial metabolic potential and soil biogeochemical processes, we conclude that long-term C loss in Tibetan grasslands is ameliorated by a reduction in microbial decomposition of recalcitrant C substrates.
C1 [Yue, Haowei; Wang, Mengmeng; Sun, Xin; Wu, Linwei; Zhou, Jizhong; Yang, Yunfeng] Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China.
[Wang, Shiping] Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China.
[Wang, Shiping] CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
[Gilbert, Jack A.] Argonne Natl Lab, Inst Genom & Syst Biol, Argonne, IL 60439 USA.
[Gilbert, Jack A.] Univ Chicago, Dept Ecol & Evolut, Chicago, IL 60637 USA.
[Gilbert, Jack A.] Zhejiang Univ, Coll Environm & Resource Sci, Hangzhou 310003, Zhejiang, Peoples R China.
[Lin, Qiaoyan; Hu, Yigang] Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adapt & Evolut Plateau Biota, Xining, Peoples R China.
[Hu, Yigang] Chinese Acad Sci, Cold & Arid Reg & Environm & Engn Res Inst, Shapotou Desert Expt & Res Stn, Lanzhou, Peoples R China.
[Li, Xiangzhen] Chinese Acad Sci, Chengdu Inst Biol, Key Lab Environm & Appl Microbiol, Beijing 100864, Sichuan, Peoples R China.
[Li, Xiangzhen] Chinese Acad Sci, Chengdu Inst Biol, Environm Microbiol Key Lab Sichuan Prov, Beijing 100864, Sichuan, Peoples R China.
[He, Zhili; Zhou, Jizhong] Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA.
[He, Zhili; Zhou, Jizhong] Univ Oklahoma, Dept Microbiol & Plant Biol, Norman, OK 73019 USA.
[Zhou, Jizhong] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Zhou, Jizhong] Tsinghua Univ, Sch Environm, Collaborat Innovat Ctr Reg Environm Qual, Beijing 100084, Peoples R China.
RP Yang, YF (reprint author), Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China.
EM yangyf@tsinghua.edu.cn
FU National Key Basic Research Program of China [2013CB956601]; Major
Science and Technology Program for Water Pollution Control and Treatment
[2013ZX07315-001-03]; Strategic Priority Research Program of the Chinese
Academy of Sciences [XDB15010102]; National High Technology Research and
Development Program of China [2012AA061401]; National Science Foundation
of China [41471202, 41230750, 41430856]; National Basic Research Program
[2013CB956000]; US Department of Energy [DE-SC0004601]; US National
Science Foundation [EF-1065844]
FX The authors wish to thank Haibei Research Station staff for sampling,
Hao Yu for GeoChip assistance and the two anonymous reviewers and the
editor for constructive comments and suggestion to make this manuscript
greatly improved. This research was supported by grants to Yunfeng Yang
from the National Key Basic Research Program of China (2013CB956601),
Major Science and Technology Program for Water Pollution Control and
Treatment (2013ZX07315-001-03), the Strategic Priority Research Program
of the Chinese Academy of Sciences (XDB15010102), National High
Technology Research and Development Program of China (2012AA061401) and
National Science Foundation of China (41471202), to Shiping Wang from
the National Basic Research Program (2013CB956000) and National Science
Foundation of China (41230750) and to Jizhong Zhou from the National
Science Foundation of China (41430856). The development of GeoChip and
associated pipelines used in this study was supported by the US
Department of Energy (DE-SC0004601) and the US National Science
Foundation (EF-1065844) to Jizhong Zhou.
NR 46
TC 9
Z9 10
U1 33
U2 111
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1751-7362
EI 1751-7370
J9 ISME J
JI ISME J.
PD SEP
PY 2015
VL 9
IS 9
BP 2012
EP 2020
DI 10.1038/ismej.2015.19
PG 9
WC Ecology; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA CP6SW
UT WOS:000360019500010
PM 25689025
ER
PT J
AU Liu, J
Yan, R
Zhong, Q
Ngo, S
Bangayan, NJ
Nguyen, L
Lui, T
Liu, MS
Erfe, MC
Craft, N
Tomida, S
Li, HY
AF Liu, Jared
Yan, Riceley
Zhong, Qiao
Ngo, Sam
Bangayan, Nathanael J.
Nguyen, Lin
Lui, Timothy
Liu, Minghsun
Erfe, Marie C.
Craft, Noah
Tomida, Shuta
Li, Huiying
TI The diversity and host interactions of Propionibacterium acnes
bacteriophages on human skin
SO ISME JOURNAL
LA English
DT Article
ID GENOME SEQUENCE; PSEUDOMONAS-AERUGINOSA; CUTANEOUS BACTERIAL; HUMAN
MICROBIOME; DEFENSE SYSTEM; IMMUNE-SYSTEM; VIRUSES; DNA; COMMUNITY;
PHAGE
AB The viral population, including bacteriophages, is an important component of the human microbiota, yet is poorly understood. We aim to determine whether bacteriophages modulate the composition of the bacterial populations, thus potentially playing a role in health or disease. We investigated the diversity and host interactions of the bacteriophages of Propionibacterium acnes, a major human skin commensal implicated in acne pathogenesis. By sequencing 48 P. acnes phages isolated from acne patients and healthy individuals and by analyzing the P. acnes phage populations in healthy skin metagenomes, we revealed that P. acnes phage populations in the skin microbial community are often dominated by one strain. We also found phage strains shared among both related and unrelated individuals, suggesting that a pool of common phages exists in the human population and that transmission of phages may occur between individuals. To better understand the bacterium-phage interactions in the skin microbiota, we determined the outcomes of 74 genetically defined Propionibacterium strains challenged by 15 sequenced phages. Depending on the Propionibacterium lineage, phage infection can result in lysis, pseudolysogeny, or resistance. In type II P. acnes strains, we found that encoding matching clustered regularly interspaced short palindromic repeat spacers is insufficient to confer phage resistance. Overall, our findings suggest that the prey-predator relationship between bacteria and phages may have a role in modulating the composition of the microbiota. Our study also suggests that the microbiome structure of an individual may be an important factor in the design of phage-based therapy.
C1 [Liu, Jared; Yan, Riceley; Zhong, Qiao; Ngo, Sam; Bangayan, Nathanael J.; Nguyen, Lin; Lui, Timothy; Tomida, Shuta; Li, Huiying] Univ Calif Los Angeles, David Geffen Sch Med, Crump Inst Mol Imaging, Dept Mol & Med Pharmacol, Los Angeles, CA 90095 USA.
[Zhong, Qiao] Nanjing Med Univ, Suzhou Hosp, Suzhou Municipal Hosp, Dept Lab Med, Suzhou, Peoples R China.
[Liu, Minghsun] Univ Calif Los Angeles, David Geffen Sch Med, Dept Microbiol Immunol & Mol Genet, Los Angeles, CA 90095 USA.
[Erfe, Marie C.; Craft, Noah] Harbor UCLA Med Ctr, Los Angeles Biomed Res Inst, Los Angeles, CA USA.
[Li, Huiying] UCLA DOE Inst Genom & Prote, Los Angeles, CA USA.
RP Li, HY (reprint author), Univ Calif Los Angeles, David Geffen Sch Med, Crump Inst Mol Imaging, Dept Mol & Med Pharmacol, 4339 CNSI,570 Westwood Plaza,Bldg 114, Los Angeles, CA 90095 USA.
EM huiying@mednet.ucla.edu
FU NIH from NIGMS [R01GM099530, UH2AR057503]; Microbial Pathogenesis
Training Grant [T32AI07323]; NIAMS
FX This research was funded by NIH grants R01GM099530 and UH2AR057503 from
NIGMS and NIAMS. JL was supported by the Microbial Pathogenesis Training
Grant T32AI07323. Phage genomes were sequenced at the UCLA Genotyping
and Sequencing Core. We thank Dr Emma Barnard and Emily Curd for
providing assistance in preparation of MiSeq sequencing libraries, and
Dr Baochen Shi for help with metagenomic data analysis.
NR 77
TC 11
Z9 12
U1 4
U2 44
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1751-7362
EI 1751-7370
J9 ISME J
JI ISME J.
PD SEP
PY 2015
VL 9
IS 9
BP 2078
EP 2093
DI 10.1038/ismej.2015.47
PG 16
WC Ecology; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA CP6SW
UT WOS:000360019500016
PM 25848871
ER
PT J
AU Tschitschko, B
Williams, TJ
Allen, MA
Paez-Espino, D
Kyrpides, N
Zhong, L
Raftery, MJ
Cavicchioli, R
AF Tschitschko, Bernhard
Williams, Timothy J.
Allen, Michelle A.
Paez-Espino, David
Kyrpides, Nikos
Zhong, Ling
Raftery, Mark J.
Cavicchioli, Ricardo
TI Antarctic archaea-virus interactions: metaproteome-led analysis of
invasion, evasion and adaptation
SO ISME JOURNAL
LA English
DT Article
ID SHORT PALINDROMIC REPEATS; CRISPR-CAS SYSTEMS; HALOPHILIC ARCHAEA;
TAILED VIRUSES; DEEP LAKE; HYPERSALINE ENVIRONMENTS; VIRION
ARCHITECTURE; HALOFERAX-VOLCANII; HOST INTERACTIONS; EAST ANTARCTICA
AB Despite knowledge that viruses are abundant in natural ecosystems, there is limited understanding of which viruses infect which hosts, and how both hosts and viruses respond to those interactions-interactions that ultimately shape community structure and dynamics. In Deep Lake, Antarctica, intergenera gene exchange occurs rampantly within the low complexity, haloarchaea-dominated community, strongly balanced by distinctions in niche adaptation which maintain sympatric speciation. By performing metaproteomics for the first time on haloarchaea, genomic variation of S-layer, archaella and other cell surface proteins was linked to mechanisms of infection evasion. CRISPR defense systems were found to be active, with haloarchaea responding to at least eight distinct types of viruses, including those infecting between genera. The role of BREX systems in defending against viruses was also examined. Although evasion and defense were evident, both hosts and viruses also may benefit from viruses carrying and expressing host genes, thereby potentially enhancing genetic variation and phenotypic differences within populations. The data point to a complex inter-play leading to a dynamic optimization of host-virus interactions. This comprehensive overview was achieved only through the integration of results from metaproteomics, genomics and metagenomics.
C1 [Tschitschko, Bernhard; Williams, Timothy J.; Allen, Michelle A.; Cavicchioli, Ricardo] Univ New S Wales, Sch Biotechnol & Biomol Sci, Sydney, NSW 2052, Australia.
[Paez-Espino, David; Kyrpides, Nikos] US DOE, Joint Genome Inst, Walnut Creek, CA USA.
[Zhong, Ling; Raftery, Mark J.] Univ New S Wales, Bioanalyt Mass Spectrometry Facil, Sydney, NSW 2052, Australia.
RP Cavicchioli, R (reprint author), Univ New S Wales, Sch Biotechnol & Biomol Sci, Sydney, NSW 2052, Australia.
EM r.cavicchioli@unsw.edu.au
RI Kyrpides, Nikos/A-6305-2014
OI Kyrpides, Nikos/0000-0002-6131-0462
FU Australian Research Council; Australian Antarctic Science program;
Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Australian Research Council and the
Australian Antarctic Science program. Mass spectrometric results were
obtained at the Bioanalytical Mass Spectrometry Facility within the
Analytical Centre of the University of New South Wales. This work was
undertaken using infrastructure provided by NSW Government co-investment
in the National Collaborative Research Infrastructure Scheme. Subsidized
access to this facility is gratefully acknowledged. The work conducted
by the U.S. Department of Energy Joint Genome Institute is supported by
the Office of Science of the U.S. Department of Energy under Contract
No. DE-AC02-05CH11231. We thank Matthew DeMaere for assistance with Deep
Lake databases, Sheree Yau and Susanne Erdmann for valuable discussion
about viruses and CRISPRs, and the PRIDE team and ProteomeXchange for
efficiently processing and hosting the mass spectrometry data. We warmly
acknowledge the positive and constructive comments made during the
review process.
NR 90
TC 10
Z9 10
U1 4
U2 17
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1751-7362
EI 1751-7370
J9 ISME J
JI ISME J.
PD SEP
PY 2015
VL 9
IS 9
BP 2094
EP 2107
DI 10.1038/ismej.2015.110
PG 14
WC Ecology; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA CP6SW
UT WOS:000360019500017
PM 26125682
ER
PT J
AU Jensen, KMO
Blichfeld, AB
Bauers, SR
Wood, SR
Dooryhee, E
Johnson, DC
Iversen, BB
Billinge, SJL
AF Jensen, Kirsten M. O.
Blichfeld, Anders B.
Bauers, Sage R.
Wood, Suzannah R.
Dooryhee, Eric
Johnson, David C.
Iversen, Bo B.
Billinge, Simon J. L.
TI Demonstration of thin film pair distribution function analysis (tfPDF)
for the study of local structure in amorphous and crystalline thin films
SO IUCRJ
LA English
DT Article
DE total scattering; pair distribution function analysis; thin films;
framework-structured solids and amorphous materials; inorganic
materials; materials modelling; nanostructure; amorphous solids
ID MODULATED ELEMENTAL REACTANTS; CHEMICAL-VAPOR-DEPOSITION; TRANSISTORS;
OXIDES
AB By means of normal-incidence, high-flux and high-energy X-rays, total scattering data for pair distribution function (PDF) analysis have been obtained from thin films (tf), suitable for local structure analysis. By using amorphous substrates as support for the films, the standard Rapid Acquisition PDF setup can be applied and the scattering signal from the film can be isolated from the total scattering data through subtraction of an independently measured background signal. No angular corrections to the data are needed, as would be the case for grazing incidence measurements. The 'tfPDF' method is illustrated through studies of as-deposited (i.e. amorphous) and crystalline FeSb3 films, where the local structure analysis gives insight into the stabilization of the metastable skutterudite FeSb3 phase. The films were prepared by depositing ultra-thin alternating layers of Fe and Sb, which interdiffuse and after annealing crystallize to form the FeSb3 structure. The tfPDF data show that the amorphous precursor phase consists of corner-sharing FeSb6 octahedra with motifs highly resembling the local structure in crystalline FeSb3. Analysis of the amorphous structure allows the prediction of whether the final crystalline product will form the FeSb3 phase with or without excess Sb present. The study thus illustrates how analysis of the local structure in amorphous precursor films can help to understand crystallization processes of metastable phases and opens for a range of new local structure studies of thin films.
C1 [Jensen, Kirsten M. O.; Billinge, Simon J. L.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
[Blichfeld, Anders B.; Iversen, Bo B.] Aarhus Univ, Dept Chem, Ctr Mat Crystallog, DK-8000 Aarhus C, Denmark.
[Blichfeld, Anders B.; Iversen, Bo B.] Aarhus Univ, iNANO, DK-8000 Aarhus C, Denmark.
[Bauers, Sage R.; Wood, Suzannah R.; Johnson, David C.] Univ Oregon, Dept Chem, Ctr Sustainable Mat Chem, Eugene, OR 97403 USA.
[Dooryhee, Eric] Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA.
[Billinge, Simon J. L.] Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA.
RP Billinge, SJL (reprint author), Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
EM sb2896@columbia.edu
RI Jensen, Kirsten Marie Ornsbj/I-9367-2012; Blichfeld, Anders/G-4418-2016;
Wood, Suzannah/H-8917-2016
OI Jensen, Kirsten Marie Ornsbj/0000-0003-0291-217X; Blichfeld,
Anders/0000-0001-5631-4197; Wood, Suzannah/0000-0002-7208-7681
FU Villum Foundation Postdoc Program; Sino-Danish Center; Danish National
Research Foundation (Center for Material Crystallography) [DNRF93]; US
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-SC0012704]; US DOE, Office of Science, Office of Basic Energy
Sciences (DOE-BES) [DE-SC00112704]; National Science Foundation
[DMR-1266217]; National Science Foundation through CCI grant
[CHE-1102637]
FX KMOJ acknowledges funding from the Villum Foundation Postdoc Program.
ABB would like to acknowledge the Sino-Danish Center for funding. SRB
and SRW acknowledge support from the National Science Foundation under
grant DMR-1266217 and through CCI grant number CHE-1102637. The work was
funded in part by the Danish National Research Foundation (Center for
Material Crystallography, DNRF93). All authors are grateful for NSLS-II
for granting beam time at the XPD beamline. Use of the National
Synchrotron Light Source II, Brookhaven National Laboratory, was
supported by the US Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-SC0012704. SJLB was
supported by US DOE, Office of Science, Office of Basic Energy Sciences
(DOE-BES) under contract DE-SC00112704.
NR 31
TC 6
Z9 6
U1 3
U2 20
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 2052-2525
J9 IUCRJ
JI IUCrJ
PD SEP
PY 2015
VL 2
BP 481
EP 489
DI 10.1107/S2052252515012221
PN 5
PG 9
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA CP7KV
UT WOS:000360067300004
PM 26306190
ER
PT J
AU Hathwar, VR
Sist, M
Jorgensen, MRV
Mamakhel, AH
Wang, XP
Hoffmann, CM
Sugimoto, K
Overgaard, J
Iversen, BB
AF Hathwar, Venkatesha R.
Sist, Mattia
Jorgensen, Mads R. V.
Mamakhel, Aref H.
Wang, Xiaoping
Hoffmann, Christina M.
Sugimoto, Kunihisa
Overgaard, Jacob
Iversen, Bo Brummerstedt
TI Quantitative analysis of intermolecular interactions in orthorhombic
rubrene
SO IUCRJ
LA English
DT Article
DE electron density; rubrene; organic semiconductor; interaction energy
ID FIELD-EFFECT TRANSISTORS; EXPERIMENTAL ELECTRON-DENSITY; THEORETICAL
CHARGE-DENSITY; PI-PI INTERACTIONS; ORGANIC SEMICONDUCTORS;
SINGLE-CRYSTALS; NEUTRON-DIFFRACTION; MOLECULAR-CRYSTALS; INTERACTION
ENERGIES; NONCOVALENT INTERACTIONS
AB Rubrene is one of the most studied organic semiconductors to date due to its high charge carrier mobility which makes it a potentially applicable compound in modern electronic devices. Previous electronic device characterizations and first principles theoretical calculations assigned the semiconducting properties of rubrene to the presence of a large overlap of the extended pi-conjugated core between molecules. We present here the electron density distribution in rubrene at 20 K and at 100 K obtained using a combination of high-resolution X-ray and neutron diffraction data. The topology of the electron density and energies of intermolecular interactions are studied quantitatively. Specifically, the presence of C-pi center dot center dot center dot C-pi interactions between neighbouring tetracene backbones of the rubrene molecules is experimentally confirmed from a topological analysis of the electron density, Non-Covalent Interaction (NCI) analysis and the calculated interaction energy of molecular dimers. A significant contribution to the lattice energy of the crystal is provided by H-H interactions. The electron density features of H-H bonding, and the interaction energy of molecular dimers connected by H-H interaction clearly demonstrate an importance of these weak interactions in the stabilization of the crystal structure. The quantitative nature of the intermolecular interactions is virtually unchanged between 20 K and 100 K suggesting that any changes in carrier transport at these low temperatures would have a different origin. The obtained experimental results are further supported by theoretical calculations.
C1 [Hathwar, Venkatesha R.; Sist, Mattia; Jorgensen, Mads R. V.; Mamakhel, Aref H.; Overgaard, Jacob; Iversen, Bo Brummerstedt] Aarhus Univ, Dept Chem, Ctr Mat Crystallog, DK-8000 Aarhus C, Denmark.
[Hathwar, Venkatesha R.; Sist, Mattia; Jorgensen, Mads R. V.; Mamakhel, Aref H.; Overgaard, Jacob; Iversen, Bo Brummerstedt] Aarhus Univ, iNANO, DK-8000 Aarhus C, Denmark.
[Wang, Xiaoping; Hoffmann, Christina M.] Oak Ridge Natl Lab, Neutron Sci Directorate, Chem & Engn Mat Div, Oak Ridge, TN 37831 USA.
[Sugimoto, Kunihisa] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan.
RP Overgaard, J (reprint author), Aarhus Univ, Dept Chem, Ctr Mat Crystallog, Langelandsgade 140, DK-8000 Aarhus C, Denmark.
EM jacobo@chem.au.dk; bo@chem.au.dk
RI Wang, Xiaoping/E-8050-2012; hoffmann, christina/D-2292-2016; Jorgensen,
Mads Ry Vogel/C-6109-2017;
OI Wang, Xiaoping/0000-0001-7143-8112; hoffmann,
christina/0000-0002-7222-5845; Jorgensen, Mads Ry
Vogel/0000-0001-5507-9615; Overgaard, Jacob/0000-0001-6492-7962
FU Danish National Research Foundation [DNRF93]; Danish Council for Nature
and Universe (DanScatt); Scientific User Facilities Division, Office of
Basic Energy Sciences, US Department of Energy
FX This work was supported by the Danish National Research Foundation
(DNRF93) and the Danish Council for Nature and Universe (DanScatt).
Research conducted at the Spallation Neutron Source, Oak Ridge National
Laboratory was sponsored by the Scientific User Facilities Division,
Office of Basic Energy Sciences, US Department of Energy. The
synchrotron radiation experiment at BL02B1/SPring8, Japan, was conducted
with the approval of the Japan Synchrotron Radiation Research Institute
(Proposal No: 2014A0078).
NR 91
TC 7
Z9 7
U1 4
U2 38
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 2052-2525
J9 IUCRJ
JI IUCrJ
PD SEP
PY 2015
VL 2
BP 563
EP 574
DI 10.1107/S2052252515012130
PN 5
PG 12
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA CP7KV
UT WOS:000360067300012
PM 26306198
ER
PT J
AU Rodriguez, JA
Xu, R
Chen, CC
Huang, ZF
Jiang, HD
Chen, AL
Raines, KS
Pryor, A
Nam, D
Wiegart, L
Song, C
Madsen, A
Chushkin, Y
Zontone, F
Bradley, PJ
Miao, JW
AF Rodriguez, Jose A.
Xu, Rui
Chen, Chien-Chun
Huang, Zhifeng
Jiang, Huaidong
Chen, Allan L.
Raines, Kevin S.
Pryor, Alan, Jr.
Nam, Daewoong
Wiegart, Lutz
Song, Changyong
Madsen, Anders
Chushkin, Yuriy
Zontone, Federico
Bradley, Peter J.
Miao, Jianwei
TI Three-dimensional coherent X-ray diffractive imaging of whole
frozen-hydrated cells
SO IUCRJ
LA English
DT Article
DE coherent diffractive imaging; cryo-CDI; three-dimensional imaging;
three-dimensional cellular structure; coherent diffraction; X-ray
imaging; Neospora caninum
ID RED-BLOOD-CELLS; TOXOPLASMA-GONDII; ELECTRON TOMOGRAPHY; PHASE
RETRIEVAL; LIQUID-NITROGEN; MICROSCOPY; RESOLUTION; CRYSTALLOGRAPHY;
SPECIMENS; ULTRASTRUCTURE
AB A structural understanding of whole cells in three dimensions at high spatial resolution remains a significant challenge and, in the case of X-rays, has been limited by radiation damage. By alleviating this limitation, cryogenic coherent diffractive imaging (cryo-CDI) can in principle be used to bridge the important resolution gap between optical and electron microscopy in bio-imaging. Here, the first experimental demonstration of cryo-CDI for quantitative three-dimensional imaging of whole frozen-hydrated cells using 8 keV X-rays is reported. As a proof of principle, a tilt series of 72 diffraction patterns was collected from a frozen-hydrated Neospora caninum cell and the threedimensional mass density of the cell was reconstructed and quantified based on its natural contrast. This three-dimensional reconstruction reveals the surface and internal morphology of the cell, including its complex polarized sub-cellular structure. It is believed that this work represents an experimental milestone towards routine quantitative three-dimensional imaging of whole cells in their natural state with spatial resolutions in the tens of nanometres.
C1 [Rodriguez, Jose A.] Univ Calif Los Angeles, Biol Chem, UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA.
[Xu, Rui; Pryor, Alan, Jr.; Miao, Jianwei] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
[Xu, Rui; Pryor, Alan, Jr.; Miao, Jianwei] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA.
[Chen, Chien-Chun] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 80424, Taiwan.
[Huang, Zhifeng] Carl ZEISS Xray Microscopy Inc, Pleasanton, CA 94588 USA.
[Jiang, Huaidong] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China.
[Chen, Allan L.; Bradley, Peter J.] Univ Calif Los Angeles, Dept Microbiol Immunol & Mol Genet, Los Angeles, CA 90095 USA.
[Raines, Kevin S.] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA.
[Nam, Daewoong; Song, Changyong] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea.
[Wiegart, Lutz] Brookhaven Natl Lab, NSLS II Photon Sci Div, Upton, NY 11973 USA.
[Madsen, Anders] European Xray Free Electron Laser, D-22761 Hamburg, Germany.
[Chushkin, Yuriy; Zontone, Federico] ESRF, Grenoble, France.
RP Miao, JW (reprint author), Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
EM miao@physics.ucla.edu
FU DARPA PULSE program through a grant from AMRDEC [DARPA-BAA-12-63];
National Institutes of Health [GM081409-01A1, AI064616]; Howard Hughes
Medical Institute Gilliam Fellowship; UCLA MBI Whitcome Fellowship; A.
P. Giannini Postdoctoral fellowship; National Natural Science Foundation
of China [31430031]
FX This work is supported by the DARPA PULSE program through a grant from
AMRDEC (DARPA-BAA-12-63) and the National Institutes of Health (grant
No. GM081409-01A1). PJB thanks the National Institutes of Health
(R01#AI064616) for support. JAR acknowledges the support of the Howard
Hughes Medical Institute Gilliam Fellowship for graduate studies, the
UCLA MBI Whitcome Fellowship, and the A. P. Giannini Postdoctoral
fellowship. HJ acknowledges the support of the National Natural Science
Foundation of China (31430031).
NR 48
TC 9
Z9 9
U1 10
U2 27
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 2052-2525
J9 IUCRJ
JI IUCrJ
PD SEP
PY 2015
VL 2
BP 575
EP 583
DI 10.1107/S205225251501235X
PN 5
PG 9
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA CP7KV
UT WOS:000360067300013
PM 26306199
ER
PT J
AU Sutton, M
Kane, SR
Wollard, JR
AF Sutton, Mark
Kane, Staci R.
Wollard, Jessica R.
TI Methyl Iodide Fumigation of Bacillus anthracis Spores
SO JOURNAL OF ENVIRONMENTAL HEALTH
LA English
DT Article
ID BROMIDE; SOIL
AB Fumigation techniques such as chlorine dioxide, vaporous hydrogen peroxide, and paraformaldehyde previously used to decontaminate items, rooms, and buildings following contamination with Bacillus anthracis spores are often incompatible with materials (e.g., porous surfaces, organics, and metals), causing damage or residue. Alternative fumigation with methyl bromide is subject to U.S. and international restrictions due to its ozone-depleting properties. Methyl iodide, however, does not pose a risk to the ozone layer and has previously been demonstrated as a fumigant for fungi, insects, and nematodes. Until now, methyl iodide has not been evaluated against Bacillus anthracis. Sterne strain Bacillus anthracis spores were subjected to methyl iodide fumigation at room temperature and at 55 degrees C. Efficacy was measured on a log-scale with a 6-log reduction in CFUs being considered successful compared to the U.S. Environmental Protection Agency biocide standard. Such efficacies were obtained after just one hour at 55 degrees C and after 12 hours at room temperature. No detrimental effects were observed on glassware, PTFE O-rings, or stainless steel. This is the first reported efficacy of methyl iodide in the reduction of Bacillus anthracis spore contamination at ambient and elevated temperatures.
C1 [Sutton, Mark; Kane, Staci R.; Wollard, Jessica R.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Sutton, M (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM sutton18@llnl.gov
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; agency of the U.S. government
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. This document was prepared as an account of work
sponsored by an agency of the U.S. government. Neither the U.S.
government nor Lawrence Liver-more National Security, LLC, nor any of
their employees makes any warranty, expressed or implied, or assumes any
legal liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process disclosed,
or represents that its use would not infringe privately owned rights.
Reference herein to any specific commercial product, process, or service
by trade name, trademark, manufacturer, or otherwise does not
necessarily constitute or imply its endorsement, recommendation, or
favoring by the U.S. government or Lawrence Liver-more National
Security, LLC. The views and opinions of authors expressed herein do not
necessarily state or reflect those of the U.S. government or Lawrence
Liver-more National Security, LLC, and shall not be used for advertising
or product endorsement purposes. LLNLJRNL-648514.
NR 27
TC 0
Z9 0
U1 2
U2 6
PU NATL ENVIRON HEALTH ASSOC
PI DENVER
PA 720 S COLORADO BLVD SUITE 970, SOUTH TOWER, DENVER, CO 80246 USA
SN 0022-0892
J9 J ENVIRON HEALTH
JI J. Environ. Health
PD SEP
PY 2015
VL 78
IS 2
BP 14
EP 19
PG 6
WC Environmental Sciences; Public, Environmental & Occupational Health
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health
GA CP5BB
UT WOS:000359895200003
PM 26502561
ER
PT J
AU Rydzak, T
Lynd, LR
Guss, AM
AF Rydzak, Thomas
Lynd, Lee R.
Guss, Adam M.
TI Elimination of formate production in Clostridium thermocellum
SO JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY
LA English
DT Article
DE Cellulosic ethanol; Clostridium thermocellum; Pyruvate:formate lyase;
Metabolic engineering; C1 metabolism
ID ATCC 27405; PROTEIN EXPRESSION; PROTEOMIC ANALYSIS; ENZYME-ACTIVITIES;
ELECTRON FLUX; FERMENTATION; CELLULOSE; CARBON; PROFILES; DEHYDROGENASE
AB The ability of Clostridium thermocellum to rapidly degrade cellulose and ferment resulting hydrolysis products into ethanol makes it a promising platform organism for cellulosic biofuel production via consolidated bioprocessing. Currently, however, ethanol yield is far below theoretical maximum due to branched product pathways that divert carbon and electrons towards formate, H-2, lactate, acetate, and secreted amino acids. To redirect carbon and electron flux away from formate, genes encoding pyruvate:formate lyase (pflB) and PFL-activating enzyme (pflA) were deleted. Formate production in the resulting Delta pfl strain was eliminated and acetate production decreased by 50 % on both complex and defined medium. The growth rate of the Delta pfl strain decreased by 2.9-fold on defined medium and biphasic growth was observed on complex medium. Supplementation of defined medium with 2 mM formate restored Delta pfl growth rate to 80 % of the parent strain. The role of pfl in metabolic engineering strategies and C-1 metabolism is discussed.
C1 [Rydzak, Thomas; Guss, Adam M.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Rydzak, Thomas; Lynd, Lee R.; Guss, Adam M.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Lynd, Lee R.] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA.
RP Guss, AM (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM gussam@ornl.gov
RI Guss, Adam/A-6204-2011;
OI Guss, Adam/0000-0001-5823-5329; Rydzak, Thomas/0000-0002-5176-3222
FU BioEnergy Science Center, U.S. DOE Bioenergy Research Center by the
Office of Biological and Environmental Research in the DOE Office of
Science; U.S. DOE [DE-AC05-00OR22725]
FX This work was supported by the BioEnergy Science Center, U.S. DOE
Bioenergy Research Center supported by the Office of Biological and
Environmental Research in the DOE Office of Science. Oak Ridge National
Laboratory is managed by UT-Battelle, LLC, for the U.S. DOE under
contract DE-AC05-00OR22725. The funders had no role in study design,
data collection and analysis, decision to publish, or preparation of the
manuscript.
NR 44
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U2 6
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1367-5435
EI 1476-5535
J9 J IND MICROBIOL BIOT
JI J. Ind. Microbiol. Biotechnol.
PD SEP
PY 2015
VL 42
IS 9
BP 1263
EP 1272
DI 10.1007/s10295-015-1644-3
PG 10
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA CP3KJ
UT WOS:000359777500007
PM 26162629
ER
PT J
AU Stromberg, LR
Stromberg, ZR
Banisadr, A
Graves, SW
Moxley, RA
Mukundan, H
AF Stromberg, Loreen R.
Stromberg, Zachary R.
Banisadr, Afsheen
Graves, Steven W.
Moxley, Rodney A.
Mukundan, Harshini
TI Purification and characterization of lipopolysaccharides from six
strains of non-O157 Shiga toxin-producing Escherichia coli
SO JOURNAL OF MICROBIOLOGICAL METHODS
LA English
DT Article
DE Antibody specificity; E. coil; Lipopolysaccharide (LPS); O-antigen
(O-ag); Serotyping; Shiga toxin-producing E. coil (STEC)
ID POLYACRYLAMIDE GEL-ELECTROPHORESIS; O-SPECIFIC POLYSACCHARIDE;
GRAM-NEGATIVE BACTERIA; REAL-TIME PCR; MULTIPLEX PCR; IMMUNOMAGNETIC
SEPARATION; ENZYME-IMMUNOASSAY; RAPID DETECTION; ASSAY; ANTIGENS
AB Certain Shiga toxin-producing Escherichia coli (STEC) are virulent human pathogens that are most often acquired through contaminated food. The United States Department of Agriculture, Food Safety and Inspection Service has declared several serogroups of STEC as adulterants in non-intact raw beef products. Hence, sensitive and specific tests for the detection of these STEC are a necessity for implementation in food safety programs. E. coil serogroups are identified by their respective O-antigen moiety on the lipopolysaccharide (LPS) macromolecule. We propose that the development of O-antigen-specific immunological assays can facilitate simple and rapid discriminatory detection of STEC in beef. However, the resources (antigens and antibodies) required for such development are not readily available. To overcome this, we extracted and characterized LPS and O-antigen from six STEC strains. Using hot phenol extraction, we isolated the LPS component from each strain and purified it using a series of steps to eliminate proteins, nucleic acids, and lipid A antigens. Antigens and crude LPS extracts were characterized using gel electrophoresis, immunoblotting, and modified Western blotting with commercially available antibodies, thus assessing the serogroup specificity and sensitivity of available ligands as well. The results indicate that, while many commercially available antibodies bind LPS, their activities and specificities are highly variable, and often not as specific as those required for serogroup discrimination. This variability could be minimized by the production of antibodies specific for the O-antigen. Additionally, the antigens generated from this study provide a source of characterized LPS and O-antigen standards for six serogroups of STEC Published by Elsevier B.V.
C1 [Stromberg, Loreen R.; Graves, Steven W.] Univ New Mexico, Ctr Biomed Engn, Albuquerque, NM 87131 USA.
[Stromberg, Loreen R.; Banisadr, Afsheen; Mukundan, Harshini] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Stromberg, Loreen R.; Graves, Steven W.; Mukundan, Harshini] New Mexico Consortium, Los Alamos, NM 87544 USA.
[Stromberg, Zachary R.; Moxley, Rodney A.] Univ Nebraska, Sch Vet Med & Biomed Sci, Lincoln, NE 68583 USA.
RP Mukundan, H (reprint author), Los Alamos Natl Lab, Div Chem, MS J567,C PCS, Los Alamos, NM 87545 USA.
EM harshini@lanl.gov
OI Moxley, Rodney/0000-0002-5377-7716; Stromberg,
Loreen/0000-0003-1715-1211
FU Agriculture and Food Research Initiative Competitive from USDA National
Institute of Food and Agriculture, Prevention, Detection
[2012-68003-30155]; Control of Shiga Toxin-Producing Escherichia coli
(STEC) from Pre-Harvest Through Consumption of Beef Products Program
[A4101]
FX The authors would like to thank Andrew Shreve, Douglas J. Perkins,
Gabriel Montano, Aaron Anderson, Basil Swanson, Carl Brown, and Priya
Dighe for helpful discussions and critical review of data. Extra thanks
go to Gentry Lewis for her help with culture and bacterial harvest
methods. This project was supported by Agriculture and Food Research
Initiative Competitive Grant no. 2012-68003-30155 from the USDA National
Institute of Food and Agriculture, Prevention, Detection and Control of
Shiga Toxin-Producing Escherichia coli (STEC) from Pre-Harvest Through
Consumption of Beef Products Program - A4101.
NR 55
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U1 1
U2 31
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-7012
EI 1872-8359
J9 J MICROBIOL METH
JI J. Microbiol. Methods
PD SEP
PY 2015
VL 116
BP 1
EP 7
DI 10.1016/j.mimet.2015.06.008
PG 7
WC Biochemical Research Methods; Microbiology
SC Biochemistry & Molecular Biology; Microbiology
GA CP5ZH
UT WOS:000359963600001
PM 26093258
ER
PT J
AU Okuno, H
Greene, J
Hasebe, H
Imao, H
Storalrz, A
Yoshida, A
AF Okuno, H.
Greene, J.
Hasebe, H.
Imao, H.
Storalrz, A.
Yoshida, A.
TI Foreword of the 27th world conference of the international nuclear
target
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Editorial Material
C1 [Okuno, H.; Hasebe, H.; Imao, H.; Yoshida, A.] RIKEN, Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan.
[Greene, J.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Storalrz, A.] Univ Warsaw, Heavy Ion Lab, PL-02093 Warsaw, Poland.
RP Okuno, H (reprint author), RIKEN, Nishina Ctr Accelerator Based Sci, 2-1 Hirosawa, Wako, Saitama 3510198, Japan.
EM okuno@riken.jp
RI Yoshida, Atsushi/N-7481-2015
OI Yoshida, Atsushi/0000-0001-9183-7516
NR 0
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U1 1
U2 5
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
EI 1588-2780
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD SEP
PY 2015
VL 305
IS 3
BP 701
EP 702
DI 10.1007/s10967-015-4358-0
PG 2
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA CP7PT
UT WOS:000360081000001
ER
PT J
AU Greene, JP
Kohley, Z
AF Greene, John P.
Kohley, Zach
TI Isotopic tungsten targets
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Article; Proceedings Paper
CT 27th World Conference of the
International-Nuclear-Target-Development-Society (INTDS)
CY AUG 31-SEP 05, 2014
CL Natl Museum Emerging Sci & Innovat Miraikan, Odaiba Tokyo, JAPAN
SP RIKEN Nishina Ctr Accelerator Based Sci RNC, Int Nucl Target Dev Soc
HO Natl Museum Emerging Sci & Innovat Miraikan
DE Tungsten; Hydrogen reduction; Electron beam evaporation
ID QUASI-FISSION; FUSION; HEAVY; FABRICATION; DEPOSITION; FACILITY;
ELEMENTS
AB In order to explore the isospin dependence of the quasifission process, a set of reactions with a wide range of N/Z was required. To maximize the sensitivity of the measurement to the isospin effects it was required that the Z of the projectile and target be fixed. Therefore, a set of isotopic targets spanning a relatively large N/Z range was desired. Tungsten, having five stable isotopes, provided a 6 neutron difference from W-180 to W-186 and can be obtained with high enrichment. Therefore, the production of enriched W-180,W-182,W-184,W-186 targets was needed. Additionally, the targets were required to be relatively thin (< 100 mu g/cm(2)) in order to minimize the energy loss and scattering of the fission or quasifission fragments resulting from the reactions. Details of the W target preparation as well as target performance will be presented.
C1 [Greene, John P.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Kohley, Zach] Michigan State Univ, Dept Chem, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA.
EM greene@anl.gov
FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics
[DE-AC02-06CH11357]; National Science Foundation [PHY-1102511,
IIA-1341088]
FX This material is based upon work supported by the U.S. Department of
Energy, Office of Science, Office of Nuclear Physics, under Contract No.
DE-AC02-06CH11357 and by the National Science Foundation under Grant
Nos. PHY-1102511 and IIA-1341088. This research used resources of ANL's
ATLAS facility, which is a DOE Office of Science User Facility.
NR 35
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PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
EI 1588-2780
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD SEP
PY 2015
VL 305
IS 3
BP 743
EP 747
DI 10.1007/s10967-015-3977-9
PG 5
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA CP7PT
UT WOS:000360081000010
ER
PT J
AU Momozaki, Y
Reed, CB
Nolen, JA
Specht, JR
Chojnowski, DB
Song, JS
Marti, F
Guetschow, P
Sherman, J
AF Momozaki, Y.
Reed, C. B.
Nolen, J. A.
Specht, J. R.
Chojnowski, D. B.
Song, J. S.
Marti, F.
Guetschow, P.
Sherman, J.
TI Proton beam-on-liquid lithium stripper film experiment
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Article; Proceedings Paper
CT 27th World Conference of the
International-Nuclear-Target-Development-Society (INTDS)
CY AUG 31-SEP 05, 2014
CL Natl Museum Emerging Sci & Innovat Miraikan, Odaiba Tokyo, JAPAN
SP RIKEN Nishina Ctr Accelerator Based Sci RNC, Int Nucl Target Dev Soc
HO Natl Museum Emerging Sci & Innovat Miraikan
DE Windowless liquid lithium target; Liquid lithium charge stripper; High
power beams; Ion beams; Heavy ions
AB A similar to 10 A mu m thick liquid lithium film, flowing at similar to 50 m s(-1) bombarded by a 65 keV, 300 W proton beam was successfully tested at Argonne National Laboratory for the Facility for Rare Isotope Beams (FRIB). An ion source, originally developed for the low energy demonstration accelerator, with a new beam transport system built at FRIB, deposited the proton beam in the lithium film at 43 % of the beam power expected at FRIB when accelerating 400 kW of uranium beam at 200 MeV per nucleon. This technology may also be applicable to other high power target areas.
C1 [Momozaki, Y.; Reed, C. B.; Chojnowski, D. B.] Argonne Natl Lab, Nucl Engn Div, Lemont, IL 60439 USA.
[Nolen, J. A.; Specht, J. R.] Argonne Natl Lab, Div Phys, Lemont, IL 60439 USA.
[Nolen, J. A.; Specht, J. R.; Marti, F.; Guetschow, P.] Michigan State Univ, Facil Rare Isotope Beams, E Lansing, MI 48824 USA.
[Song, J. S.] Inst for Basic Sci Korea, Rare Isotope Sci Project, Taejon 305811, South Korea.
[Sherman, J.] TechSource Inc, Los Alamos, NM 87544 USA.
EM momo@anl.gov
FU Department of Energy Office of Science [DE-SC0000661]; U.S. Department
of Energy [DE-AC02-06CH11357]
FX The authors would like to thank Ronald Lanham, Kevin Byrne, Ronald
Clark, Richard McDaniel of ANL for their technical support. This
material is based upon work supported by the Department of Energy Office
of Science under Cooperative Agreement DE-SC0000661. The submitted
manuscript has been created by UChicago Argonne, LLC as Operator of the
Argonne National Laboratory under Contract No. DE-AC02-06CH11357 with
the U.S. Department of Energy. The U.S. Government retains for itself,
and others acting on its behalf, a paid-up, nonexclusive, irrevocable
worldwide license in said article to reproduce, prepare derivative
works, distribute copies to the public, and perform publicly and display
publicly, by or on behalf of the Government.
NR 7
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PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
EI 1588-2780
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD SEP
PY 2015
VL 305
IS 3
BP 843
EP 849
DI 10.1007/s10967-015-4074-9
PG 7
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA CP7PT
UT WOS:000360081000025
ER
PT J
AU Boll, RA
Van Cleve, SM
Sims, NJ
Felker, LK
Burns, JD
Owen, GD
Smith, EH
White, CS
Ezold, JG
AF Boll, R. A.
Van Cleve, S. M.
Sims, N. J.
Felker, L. K.
Burns, J. D.
Owen, G. D.
Smith, E. H.
White, C. S.
Ezold, J. G.
TI Californium electrodepositions at Oak Ridge National Laboratory
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Article; Proceedings Paper
CT 27th World Conference of the
International-Nuclear-Target-Development-Society (INTDS)
CY AUG 31-SEP 05, 2014
CL Natl Museum Emerging Sci & Innovat Miraikan, Odaiba Tokyo, JAPAN
SP RIKEN Nishina Ctr Accelerator Based Sci RNC, Int Nucl Target Dev Soc
HO Natl Museum Emerging Sci & Innovat Miraikan
DE Californium; Electrodeposition; Ammonium acetate; Isobutanol; Super
heavy element
ID ALPHA; ACTINIDES; TARGETS
AB Electrodepositions of californium isotopes were successfully performed at Oak Ridge National Laboratory involving two different types of deposition solutions, ammonium acetate and isobutanol. A californium product that was decay-enriched in Cf-251 was recovered for use in super-heavy element research. The californium was purified and then electrodeposited using the isobutanol method onto thin titanium foils for use at the Joint Institute for Nuclear Research. An ammonium acetate method was used to produce a deposition containing 1.7 +/- A 0.1 Ci of Cf-252 onto a stainless steel substrate. This is the largest single electrodeposition of Cf-252 ever prepared.
C1 [Boll, R. A.; Van Cleve, S. M.; Sims, N. J.; Felker, L. K.; Burns, J. D.; Owen, G. D.; Smith, E. H.; White, C. S.; Ezold, J. G.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM bollra@ornl.gov
RI Burns, Jonathan/O-2028-2015; Boll, Rose/C-4138-2016;
OI Burns, Jonathan/0000-0003-0301-9607; Boll, Rose/0000-0003-2507-4834;
Ezold, Julie/0000-0002-5055-0022
FU U.S. Department of Energy, Office of Nuclear Physics, Physics and
Isotope programs; ORNL Laboratory Directed Research Funding (LDRD); U.S.
Department of Energy [DE-AC05-00OR22725]
FX Research supported by U.S. Department of Energy, Office of Nuclear
Physics, Physics and Isotope programs and ORNL Laboratory Directed
Research Funding (LDRD). This manuscript has been authored by the Oak
Ridge National Laboratory, managed by UT-Battelle LLC under Contract No.
DE-AC05-00OR22725 with the U.S. Department of Energy. The U.S.
Government retains and the publisher, by accepting the article for
publication, acknowledges that the U.S. Government retains a
nonexclusive, paid-up, irrevocable, worldwide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for U.S. Government purposes.
NR 11
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U2 9
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
EI 1588-2780
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD SEP
PY 2015
VL 305
IS 3
BP 921
EP 926
DI 10.1007/s10967-015-4148-8
PG 6
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA CP7PT
UT WOS:000360081000036
ER
PT J
AU Greene, JP
Nolen, J
Baker, S
AF Greene, John P.
Nolen, Jerry
Baker, Sam
TI Nickel-backed Bi targets for the production of At-211
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Article; Proceedings Paper
CT 27th World Conference of the
International-Nuclear-Target-Development-Society (INTDS)
CY AUG 31-SEP 05, 2014
CL Natl Museum Emerging Sci & Innovat Miraikan, Odaiba Tokyo, JAPAN
SP RIKEN Nishina Ctr Accelerator Based Sci RNC, Int Nucl Target Dev Soc
HO Natl Museum Emerging Sci & Innovat Miraikan
DE Bismuth; Physical vapor deposition; Radioisotope production
AB To support clinical trials for cancer therapy with radiotherapeutic isotopes in the United States reliable sources of adequate quantities of several such isotopes, especially of alpha emitters such as At-211, are a high priority of the DOE Isotopes Program. We have recently tested an alternative reaction, Bi-209(Li-6, 4n)Rn-211 (which decays to At-211) with a 42 MeV Li-6 beam from the ATLAS superconducting linac. This latter reaction has the advantage that radon gas is easy to extract and the 14.6-h Rn-211 half-life allows more time for transport to the therapy facility. The Bi targets were prepared on a Ni backing as these elements have similar coefficients of thermal expansion, minimizing the chance of target delamination. Helium gas flowed between a thin window and the target to transport the Rn-211 it to a charcoal trap. The goal was to develop a method for continuous production and collection of At-211 that does not require dissolving the target following each production run. Details of the Bi target production and performance is presented as well as some initial experimental results.
C1 [Greene, John P.; Nolen, Jerry; Baker, Sam] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM greene@anl.gov
FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics
[DE-AC02-06CH11357]
FX The experimental work was carried out with assistance from Martin
Alcorta, Bradley Micklich (ANL) and Chin-Tu Chen, Geoffrey Green, Leuwei
Lo, Jeffrey Souris (University of Chicago) with set-up built by Jim
Specht and John Rorher (ANL). Acknowledgements are also due to Shaofei
Zhu for the gamma counting and to Matt Hendricks and the ATLAS
Operations Staff for the beam delivery. This material is based upon work
supported by the U.S. Department of Energy, Office of Science, Office of
Nuclear Physics, under Contract No. DE-AC02-06CH11357. This research
used resources of ANL's ATLAS facility, which is a DOE Office of Science
User Facility.
NR 16
TC 1
Z9 1
U1 4
U2 9
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
EI 1588-2780
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD SEP
PY 2015
VL 305
IS 3
BP 943
EP 946
DI 10.1007/s10967-015-4079-4
PG 4
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA CP7PT
UT WOS:000360081000039
ER
PT J
AU Toellner, TS
Collins, J
Goetze, K
Hu, MY
Preissner, C
Trakhtenberg, E
Yan, L
AF Toellner, T. S.
Collins, J.
Goetze, K.
Hu, M. Y.
Preissner, C.
Trakhtenberg, E.
Yan, L.
TI Ultra-stable sub-meV monochromator for hard X-rays
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article
DE high energy-resolution; monochromator; europium; nuclear resonance;
cryostat
ID NUCLEAR-RESONANCE SCATTERING; SYNCHROTRON-RADIATION; ENERGY-RESOLUTION;
LATTICE-CONSTANT; BRAGG SCATTERING; DEPENDENCE
AB A high-resolution silicon monochromator suitable for 21.541 keV synchrotron radiation is presented that produces a bandwidth of 0.27 meV. The operating energy corresponds to a nuclear transition in Eu-151. The first-of-its-kind, fully cryogenic design achieves an energy-alignment stability of 0.017 meV r.m.s. per day, or a 100-fold improvement over other meV-monochromators, and can tolerate higher X-ray power loads than room-temperature designs of comparable resolution. This offers the potential for significantly more accurate measurements of lattice excitation energies using nuclear resonant vibrational spectroscopy if combined with accurate energy calibration using, for example, high-speed Doppler shifting. The design of the monochromator along with its performance and impact on transmitted beam properties are presented.
C1 [Toellner, T. S.; Collins, J.; Goetze, K.; Hu, M. Y.; Preissner, C.; Trakhtenberg, E.; Yan, L.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Toellner, TS (reprint author), Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
EM toellner@anl.gov
FU US Department of Energy, Basic Energy Sciences, Office of Science
[DE-AC02-06CH11357]; National Nuclear Security Administration under
Stewardship Science Academic Alliances program through DOE
[DE-FC52-06NA27684]
FX This research and use of the Advanced Photon Source was supported by the
US Department of Energy, Basic Energy Sciences, Office of Science, under
Contract No. DE-AC02-06CH11357. Additional support was received from the
National Nuclear Security Administration under the Stewardship Science
Academic Alliances program through DOE Cooperative Agreement
DE-FC52-06NA27684.
NR 24
TC 1
Z9 1
U1 1
U2 4
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 1600-5775
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD SEP
PY 2015
VL 22
BP 1155
EP 1162
DI 10.1107/S1600577515012230
PN 5
PG 8
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA CP8KK
UT WOS:000360142400004
PM 26289266
ER
PT J
AU Adams, BW
Mane, AU
Elam, JW
Obaid, R
Wetstein, M
Chollet, M
AF Adams, Bernhard W.
Mane, Anil U.
Elam, Jeffrey W.
Obaid, Razib
Wetstein, Matthew
Chollet, Matthieu
TI Towards a microchannel-based X-ray detector with two-dimensional spatial
and time resolution and high dynamic range
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article
DE high dynamic range; microchannel-based X-ray detector
AB X-ray detectors that combine two-dimensional spatial resolution with a high time resolution are needed in numerous applications of synchrotron radiation. Most detectors with this combination of capabilities are based on semiconductor technology and are therefore limited in size. Furthermore, the time resolution is often realised through rapid time-gating of the acquisition, followed by a slower readout. Here, a detector technology is realised based on relatively inexpensive microchannel plates that uses GHz waveform sampling for a millimeter-scale spatial resolution and better than 100 ps time resolution. The technology is capable of continuous streaming of time- and location-tagged events at rates greater than 10(7) events per cm(2). Time-gating can be used for improved dynamic range.
C1 [Adams, Bernhard W.; Mane, Anil U.; Elam, Jeffrey W.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Obaid, Razib] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA.
[Wetstein, Matthew] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Chollet, Matthieu] Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
RP Adams, BW (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM adams@aps.anl.gov
FU US Department of Energy, Office of Basic Energy Sciences
[DE-AC02-06CH11357, LDRD 2011-067-N0]
FX This work was supported by the US Department of Energy, Office of Basic
Energy Sciences under Contract No. DE-AC02-06CH11357,and under LDRD
2011-067-N0. We would also like to thank Dr Alan Kastengren for his
support at the beamline. This work would not have been possible without
the foundation laid by the LAPPD team (University of Chicago). Finally,
we would like to thank Professor Henry Frisch for valuable comments and
support of this project as a spin-off from the LAPPD collaboration.
NR 7
TC 2
Z9 2
U1 3
U2 5
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 1600-5775
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD SEP
PY 2015
VL 22
BP 1202
EP 1206
DI 10.1107/S1600577515010322
PN 5
PG 5
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA CP8KK
UT WOS:000360142400009
PM 26289271
ER
PT J
AU Francoual, S
Strempfer, J
Warren, J
Liu, Y
Skaugen, A
Poli, S
Blume, J
Wolff-Fabris, F
Canfield, PC
Lograsso, T
AF Francoual, S.
Strempfer, J.
Warren, J.
Liu, Y.
Skaugen, A.
Poli, S.
Blume, J.
Wolff-Fabris, F.
Canfield, P. C.
Lograsso, T.
TI Single-crystal X-ray diffraction and resonant X-ray magnetic scattering
at helium-3 temperatures in high magnetic fields at beamline P09 at
PETRA III
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article
DE X-ray diffraction; resonant X-ray magnetic scattering; helium-3 insert
cryostat; sub-Kelvin temperatures; X-ray beam heating; single-crystal
ID JAHN-TELLER DISTORTION; POLARIZATION DEPENDENCE; SUPERCONDUCTORS;
TRANSITION; VANADATE; THULIUM; SAMPLE; TMVO4; STATE
AB The resonant scattering and diffraction beamline P09 at PETRA III at DESY is equipped with a 14 T vertical field split-pair magnet. A helium-3 refrigerator is available that can be fitted inside the magnet's variable-temperature insert. Here the results of a series of experiments aimed at determining the beam conditions permitting operations with the He-3 insert are presented. By measuring the tetragonal-to-orthorhombic phase transition occurring at 2.1 K in the Jahn-Teller compound TmVO4, it is found that the photon flux at P09 must be attenuated down to 1.5 x 10(9) photons s(-1) for the sample to remain at temperatures below 800 mK. Despite such a reduction of the incident flux and the subsequent use of a Cu(111) analyzer, the resonant X-ray magnetic scattering signal at the Tm L-III absorption edge associated with the spin-density wave in TmNi2B2C below 1.5 K is intense enough to permit a complete study in magnetic field and at sub-Kelvin temperatures to be carried out.
C1 [Francoual, S.; Strempfer, J.; Skaugen, A.; Blume, J.] Deutsch Elektronen Synchrotron DESY, D-22603 Hamburg, Germany.
[Warren, J.; Poli, S.] Cryogenic Ltd, London W3 7QE, England.
[Liu, Y.; Lograsso, T.] US DOE, DMSE, Ames Lab, Ames, IA 50010 USA.
[Wolff-Fabris, F.] Helmholtz Zentrum Dresden Rossendorf, Hochfeld Magnetlab Dresden HLD, D-01314 Dresden, Germany.
[Canfield, P. C.; Lograsso, T.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
[Canfield, P. C.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Francoual, S (reprint author), Deutsch Elektronen Synchrotron DESY, D-22603 Hamburg, Germany.
EM sonia.francoual@desy.de
FU US Department of Energy, Office of Basic Energy Sciences, Materials
Science and Engineering Division; US Department of Energy by Iowa State
University [DE-AC02-07CH11358]
FX The research presented here was carried out at the light source PETRA
III at DESY, a member of the Helmholtz Association (HGF). The authors
would like to thank R. Doring, M.Spiwek and D. Reuther for technical and
engineering support. The single crystals of TmVO4 and
TmNi2B2C were grown at Ames Laboratory. The work
was supported by the US Department of Energy, Office of Basic Energy
Sciences, Materials Science and Engineering Division. Ames Laboratory is
operated for the US Department of Energy by Iowa State University under
Contract No. DE-AC02-07CH11358.
NR 36
TC 0
Z9 0
U1 4
U2 18
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 1600-5775
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD SEP
PY 2015
VL 22
BP 1207
EP 1214
DI 10.1107/S1600577515014149
PN 5
PG 8
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA CP8KK
UT WOS:000360142400010
PM 26289272
ER
PT J
AU Durbin, SM
Liu, SC
Dufresne, EM
Li, YL
Wen, HD
AF Durbin, Stephen M.
Liu, Shih-Chieh
Dufresne, Eric M.
Li, Yuelin
Wen, Haidan
TI Time delay measurement in the frequency domain
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article
DE pump-probe; X-ray synchrotron; ultrafast time resolution; RF frequency
analysis
AB Pump-probe studies at synchrotrons using X-ray and laser pulses require accurate determination of the time delay between pulses. This becomes especially important when observing ultrafast responses with lifetimes approaching or even less than the X-ray pulse duration (similar to 100 ps). The standard approach of inspecting the time response of a detector sensitive to both types of pulses can have limitations due to dissimilar pulse profiles and other experimental factors. Here, a simple alternative is presented, where the frequency response of the detector is monitored versus time delay. Measurements readily demonstrate a time resolution of similar to 1 ps. Improved precision is possible by simply extending the data acquisition time.
C1 [Durbin, Stephen M.; Liu, Shih-Chieh] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA.
[Dufresne, Eric M.; Li, Yuelin; Wen, Haidan] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Durbin, SM (reprint author), Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA.
EM durbin@purdue.edu
FU US Department of Energy, Basic Energy Science [DE-SC0004078]; US
Department of Energy Office of Science [DE-AC02-06CH11357]
FX This research was supported by the US Department of Energy, Basic Energy
Science, through DE-SC0004078. The APS is a US Department of Energy
Office of Science User Facility operated by Argonne under
DE-AC02-06CH11357.
NR 10
TC 0
Z9 0
U1 0
U2 2
PU INT UNION CRYSTALLOGRAPHY
PI CHESTER
PA 2 ABBEY SQ, CHESTER, CH1 2HU, ENGLAND
SN 1600-5775
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD SEP
PY 2015
VL 22
BP 1293
EP 1296
DI 10.1107/S1600577515014095
PN 5
PG 4
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA CP8KK
UT WOS:000360142400020
PM 26289282
ER
PT J
AU Weisbach, DA
AF Weisbach, David A.
TI THE USE OF NEUTRALITIES IN INTERNATIONAL TAX POLICY
SO NATIONAL TAX JOURNAL
LA English
DT Article
DE international taxation; capital export neutrality; capital import
neutrality; ownership neutrality; optimal taxation
ID CAPITAL INCOME TAXATION; INVESTMENT-INCOME; FOREIGN PROFITS; RULES
AB This paper analyzes the use of neutrality conditions, such as capital export neutrality, capital import neutrality, capital ownership neutrality, and market neutrality, in international tax policy Neutralities are not appropriate tools for designing tax policy They each identify a possible margin where taxation may distort business activities. Because these neutralities cannot be all satisfied simultaneously, however, they do not allow analysts to determine the appropriate trade-offs of these distortions, unlike deadweight loss measures used in other areas of tax policy International tax policy should instead be tied directly to the reasons for taxing capital income, reasons which are derived from optimal tax or similar models.
C1 [Weisbach, David A.] Univ Chicago, Sch Law, Chicago, IL 60637 USA.
[Weisbach, David A.] Computat Inst, Chicago, IL USA.
[Weisbach, David A.] Argonne Natl Labs, Chicago, IL USA.
RP Weisbach, DA (reprint author), Univ Chicago, Sch Law, Chicago, IL 60637 USA.
EM d-weisbach@uchicago.edu
NR 36
TC 1
Z9 1
U1 2
U2 3
PU NATL TAX ASSOC
PI WASHINGTON
PA 725 15TH ST, N W #600, WASHINGTON, DC 20005-2109 USA
SN 0028-0283
EI 1944-7477
J9 NATL TAX J
JI Natl. Tax J.
PD SEP
PY 2015
VL 68
IS 3
BP 635
EP 651
PG 17
WC Business, Finance; Economics
SC Business & Economics
GA CP6WA
UT WOS:000360027700007
ER
PT J
AU Medema, MH
Kottmann, R
Yilmaz, P
Cummings, M
Biggins, JB
Blin, K
de Bruijn, I
Chooi, YH
Claesen, J
Coates, RC
Cruz-Morales, P
Duddela, S
Dusterhus, S
Edwards, DJ
Fewer, DP
Garg, N
Geiger, C
Gomez-Escribano, JP
Greule, A
Hadjithomas, M
Haines, AS
Helfrich, EJN
Hillwig, ML
Ishida, K
Jones, AC
Jones, CS
Jungmann, K
Kegler, C
Kim, HU
Kotter, P
Krug, D
Masschelein, J
Melnik, AV
Mantovani, SM
Monroe, EA
Moore, M
Moss, N
Nutzmann, HW
Pan, GH
Pati, A
Petras, D
Reen, FJ
Rosconi, F
Rui, Z
Tian, ZH
Tobias, NJ
Tsunematsu, Y
Wiemann, P
Wyckoff, E
Yan, XH
Yim, G
Yu, FG
Xie, YC
Aigle, B
Apel, AK
Balibar, CJ
Balskus, EP
Barona-Gomez, F
Bechthold, A
Bode, HB
Borriss, R
Brady, SF
Brakhage, AA
Caffrey, P
Cheng, YQ
Clardy, J
Cox, RJ
De Mot, R
Donadio, S
Donia, MS
van der Donk, WA
Dorrestein, PC
Doyle, S
Driessen, AJM
Ehling-Schulz, M
Entian, KD
Fischbach, MA
Gerwick, L
Gerwick, WH
Gross, H
Gust, B
Hertweck, C
Hofte, M
Jensen, SE
Ju, JH
Katz, L
Kaysser, L
Klassen, JL
Keller, NP
Kormanec, J
Kuipers, OP
Kuzuyama, T
Kyrpides, NC
Kwon, HJ
Lautru, S
Lavigne, R
Lee, CY
Linquan, B
Liu, XY
Liu, W
Luzhetskyy, A
Mahmud, T
Mast, Y
Mendez, C
Metsa-Ketela, M
Micklefield, J
Mitchell, DA
Moore, BS
Moreira, LM
Muller, R
Neilan, BA
Nett, M
Nielsen, J
O'Gara, F
Oikawa, H
Osbourn, A
Osburne, MS
Ostash, B
Payne, SM
Pernodet, JL
Petricek, M
Piel, J
Ploux, O
Raaijmakers, JM
Salas, JA
Schmitt, EK
Scott, B
Seipke, RF
Shen, B
Sherman, DH
Sivonen, K
Smanski, MJ
Sosio, M
Stegmann, E
Sussmuth, RD
Tahlan, K
Thomas, CM
Tang, Y
Truman, AW
Viaud, M
Walton, JD
Walsh, CT
Weber, T
van Wezel, GP
Wilkinson, B
Willey, JM
Wohlleben, W
Wright, GD
Ziemert, N
Zhang, CS
Zotchev, SB
Breitling, R
Takano, E
Glockner, FO
AF Medema, Marnix H.
Kottmann, Renzo
Yilmaz, Pelin
Cummings, Matthew
Biggins, John B.
Blin, Kai
de Bruijn, Irene
Chooi, Yit Heng
Claesen, Jan
Coates, R. Cameron
Cruz-Morales, Pablo
Duddela, Srikanth
Duesterhus, Stephanie
Edwards, Daniel J.
Fewer, David P.
Garg, Neha
Geiger, Christoph
Gomez-Escribano, Juan Pablo
Greule, Anja
Hadjithomas, Michalis
Haines, Anthony S.
Helfrich, Eric J. N.
Hillwig, Matthew L.
Ishida, Keishi
Jones, Adam C.
Jones, Carla S.
Jungmann, Katrin
Kegler, Carsten
Kim, Hyun Uk
Koetter, Peter
Krug, Daniel
Masschelein, Joleen
Melnik, Alexey V.
Mantovani, Simone M.
Monroe, Emily A.
Moore, Marcus
Moss, Nathan
Nuetzmann, Hans-Wilhelm
Pan, Guohui
Pati, Amrita
Petras, Daniel
Reen, F. Jerry
Rosconi, Federico
Rui, Zhe
Tian, Zhenhua
Tobias, Nicholas J.
Tsunematsu, Yuta
Wiemann, Philipp
Wyckoff, Elizabeth
Yan, Xiaohui
Yim, Grace
Yu, Fengan
Xie, Yunchang
Aigle, Bertrand
Apel, Alexander K.
Balibar, Carl J.
Balskus, Emily P.
Barona-Gomez, Francisco
Bechthold, Andreas
Bode, Helge B.
Borriss, Rainer
Brady, Sean F.
Brakhage, Axel A.
Caffrey, Patrick
Cheng, Yi-Qiang
Clardy, Jon
Cox, Russell J.
De Mot, Rene
Donadio, Stefano
Donia, Mohamed S.
van der Donk, Wilfred A.
Dorrestein, Pieter C.
Doyle, Sean
Driessen, Arnold J. M.
Ehling-Schulz, Monika
Entian, Karl-Dieter
Fischbach, Michael A.
Gerwick, Lena
Gerwick, William H.
Gross, Harald
Gust, Bertolt
Hertweck, Christian
Hofte, Monica
Jensen, Susan E.
Ju, Jianhua
Katz, Leonard
Kaysser, Leonard
Klassen, Jonathan L.
Keller, Nancy P.
Kormanec, Jan
Kuipers, Oscar P.
Kuzuyama, Tomohisa
Kyrpides, Nikos C.
Kwon, Hyung-Jin
Lautru, Sylvie
Lavigne, Rob
Lee, Chia Y.
Linquan, Bai
Liu, Xinyu
Liu, Wen
Luzhetskyy, Andriy
Mahmud, Taifo
Mast, Yvonne
Mendez, Carmen
Metsa-Ketela, Mikko
Micklefield, Jason
Mitchell, Douglas A.
Moore, Bradley S.
Moreira, Leonilde M.
Mueller, Rolf
Neilan, Brett A.
Nett, Markus
Nielsen, Jens
O'Gara, Fergal
Oikawa, Hideaki
Osbourn, Anne
Osburne, Marcia S.
Ostash, Bohdan
Payne, Shelley M.
Pernodet, Jean-Luc
Petricek, Miroslav
Piel, Joern
Ploux, Olivier
Raaijmakers, Jos M.
Salas, Jose A.
Schmitt, Esther K.
Scott, Barry
Seipke, Ryan F.
Shen, Ben
Sherman, David H.
Sivonen, Kaarina
Smanski, Michael J.
Sosio, Margherita
Stegmann, Evi
Suessmuth, Roderich D.
Tahlan, Kapil
Thomas, Christopher M.
Tang, Yi
Truman, Andrew W.
Viaud, Muriel
Walton, Jonathan D.
Walsh, Christopher T.
Weber, Tilmann
van Wezel, Gilles P.
Wilkinson, Barrie
Willey, Joanne M.
Wohlleben, Wolfgang
Wright, Gerard D.
Ziemert, Nadine
Zhang, Changsheng
Zotchev, Sergey B.
Breitling, Rainer
Takano, Eriko
Gloeckner, Frank Oliver
TI Minimum Information about a Biosynthetic Gene cluster
SO NATURE CHEMICAL BIOLOGY
LA English
DT Editorial Material
ID NATURAL-PRODUCTS; DATABASE; DISCOVERY; SCALE; RESOURCE
C1 [Medema, Marnix H.; Kottmann, Renzo; Yilmaz, Pelin; Gloeckner, Frank Oliver] Max Planck Inst Marine Microbiol, Microbial Genom & Bioinformat Res Grp, Bremen, Germany.
[Cummings, Matthew; Breitling, Rainer; Takano, Eriko] Univ Manchester, Fac Life Sci, Manchester Inst Biotechnol,SYNBIOCHEM, Manchester Ctr Synthet Biol Fine & Special Chem, Manchester, Lancs, England.
[Biggins, John B.; Brady, Sean F.] Rockefeller Univ, Howard Hughes Med Inst, Lab Genet Encoded Small Mol, New York, NY 10021 USA.
[Blin, Kai; Kim, Hyun Uk; Nielsen, Jens; Weber, Tilmann] Tech Univ Denmark, Novo Nordisk Fdn Ctr Biosustainabil, Horsholm, Denmark.
[de Bruijn, Irene; Raaijmakers, Jos M.] Netherlands Inst Ecol NIOO KNAW, Dept Microbial Ecol, Wageningen, Netherlands.
[Chooi, Yit Heng; Tang, Yi] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA USA.
[Tang, Yi] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90024 USA.
[Chooi, Yit Heng] Univ Western Australia, Sch Chem & Biochem, Perth, WA 6009, Australia.
[Claesen, Jan; Fischbach, Michael A.] Univ Calif San Francisco, Dept Bioengn & Therapeut Sci, San Francisco, CA 94143 USA.
[Claesen, Jan; Fischbach, Michael A.] Univ Calif San Francisco, Calif Inst Quantitat Biosci, San Francisco, CA 94143 USA.
[Coates, R. Cameron; Hadjithomas, Michalis; Pati, Amrita; Kyrpides, Nikos C.; van Wezel, Gilles P.] Joint Genome Inst, Dept Energy DOE, Walnut Creek, CA USA.
[Cruz-Morales, Pablo; Barona-Gomez, Francisco] CINVESTAV, IPN, Unidad Genom Avanzada Langebio, Evolut Metab Div Lab, Guanajuato, Mexico.
[Duddela, Srikanth; Jungmann, Katrin; Krug, Daniel; Luzhetskyy, Andriy; Mueller, Rolf] Univ Saarland, Helmholtz Ctr Infect Res, Helmholtz Inst Pharmaceut Res, D-66123 Saarbrucken, Germany.
[Duddela, Srikanth; Jungmann, Katrin; Krug, Daniel; Luzhetskyy, Andriy; Mueller, Rolf] Univ Saarland, Dept Pharmaceut Biotechnol, D-66123 Saarbrucken, Germany.
[Duesterhus, Stephanie; Geiger, Christoph; Koetter, Peter; Entian, Karl-Dieter] Goethe Univ Frankfurt, Inst Mol Biosci, D-60054 Frankfurt, Germany.
[Edwards, Daniel J.] Calif State Univ Chico, Dept Chem & Biochem, Chico, CA 95929 USA.
[Fewer, David P.; Sivonen, Kaarina] Univ Helsinki, Dept Food & Environm Sci, Microbiol & Biotechnol Div, Helsinki, Finland.
[Garg, Neha; Melnik, Alexey V.; Dorrestein, Pieter C.; Gerwick, William H.; Moore, Bradley S.] Univ Calif San Diego, Skaggs Sch Pharm & Pharmaceut Sci, La Jolla, CA 92093 USA.
[Gomez-Escribano, Juan Pablo; Truman, Andrew W.; Wilkinson, Barrie] John Innes Ctr, Dept Mol Microbiol, Norwich, Norfolk, England.
[Greule, Anja; Bechthold, Andreas] Univ Freiburg, Dept Pharmaceut Biol & Biotechnol, D-79106 Freiburg, Germany.
[Haines, Anthony S.; Thomas, Christopher M.] Univ Birmingham, Sch Biosci, Birmingham, W Midlands, England.
[Helfrich, Eric J. N.; Piel, Joern] ETH, Inst Microbiol, CH-8092 Zurich, Switzerland.
[Hillwig, Matthew L.; Liu, Xinyu] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA.
[Ishida, Keishi; Tsunematsu, Yuta; Brakhage, Axel A.; Hertweck, Christian; Nett, Markus] Leibniz Inst Nat Product Res & Infect Biol HK, Jena, Germany.
[Jones, Adam C.] Gordon & Betty Moore Fdn, Palo Alto, CA USA.
[Jones, Carla S.] Roosevelt Univ, Sustainable Studies Program, Chicago, IL 60605 USA.
[Kegler, Carsten; Tobias, Nicholas J.; Bode, Helge B.] Goethe Univ Frankfurt, Fachbereich Biowissensch, Merck Stiftungsprof Mol Biotechnol, D-60054 Frankfurt, Germany.
[Kim, Hyun Uk] Korea Adv Inst Sci & Technol, BioInformat Res Ctr, Daejeon 305701, South Korea.
[Masschelein, Joleen; Lavigne, Rob] Katholieke Univ Leuven, Lab Gene Technol, Heverlee, Belgium.
[Masschelein, Joleen] Katholieke Univ Leuven, Lab Food Microbiol, Heverlee, Belgium.
[Mantovani, Simone M.; Moss, Nathan; Dorrestein, Pieter C.; Gerwick, Lena; Gerwick, William H.; Moore, Bradley S.] Univ Calif San Diego, Scripps Inst Oceanog, Ctr Marine Biotechnol & Biomed, La Jolla, CA 92093 USA.
[Monroe, Emily A.] William Paterson Univ, Dept Biol, Wayne, NJ USA.
[Moore, Marcus; Tahlan, Kapil] Mem Univ Newfoundland, Dept Biol, St John, NF, Canada.
[Nuetzmann, Hans-Wilhelm; Osbourn, Anne] John Innes Ctr, Dept Metab Biol, Norwich, Norfolk, England.
[Pan, Guohui; Yan, Xiaohui; Shen, Ben] Scripps Res Inst, Dept Chem, Jupiter, FL USA.
[Petras, Daniel; Suessmuth, Roderich D.] Tech Univ Berlin, Inst Chem, Berlin, Germany.
[Reen, F. Jerry; O'Gara, Fergal] Natl Univ Ireland Univ Coll Cork, Sch Microbiol, BIOMERIT Res Ctr, Cork, Ireland.
[Rosconi, Federico] IBCE, Dept Bioquim & Genom Microbianas, Montevideo, Uruguay.
[Rui, Zhe] Univ Calif Berkeley, Energy Biosci Inst, Berkeley, CA 94720 USA.
[Rui, Zhe] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Tian, Zhenhua; Liu, Wen] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Bioorgan & Nat Prod Chem, Shanghai 200032, Peoples R China.
[Tsunematsu, Yuta] Univ Shizuoka, Dept Pharmaceut Sci, Shizuoka 4228526, Japan.
[Wiemann, Philipp; Keller, Nancy P.] Univ Wisconsin, Dept Med Microbiol & Immunol, Madison, WI 53706 USA.
[Wyckoff, Elizabeth; Payne, Shelley M.] Univ Texas Austin, Dept Mol Biosci, Austin, TX 78712 USA.
[Wyckoff, Elizabeth; Payne, Shelley M.] Univ Texas Austin, Inst Cellular & Mol Biol, Austin, TX 78712 USA.
[Yim, Grace; Wright, Gerard D.] McMaster Univ, Dept Biochem & Biomed Sci, MG DeGroote Inst Infect Dis Res, Hamilton, ON L8N 3Z5, Canada.
[Yu, Fengan; Sherman, David H.] Univ Michigan, Life Sci Inst, Ann Arbor, MI 48109 USA.
[Yu, Fengan; Sherman, David H.] Univ Michigan, Dept Med Chem, Ann Arbor, MI 48109 USA.
[Yu, Fengan; Sherman, David H.] Univ Michigan, Dept Chem, Ann Arbor, MI 48109 USA.
[Yu, Fengan; Sherman, David H.] Univ Michigan, Dept Microbiol & Immunol, Ann Arbor, MI 48109 USA.
[Xie, Yunchang; Ju, Jianhua; Zhang, Changsheng] Chinese Acad Sci, South China Sea Inst Oceanol, RNAM Ctr Marine Microbiol, Key Lab Trop Marine Bioresources & Ecol,Guangdong, Guangzhou, Guangdong, Peoples R China.
[Aigle, Bertrand] Univ Lorraine, Dynam Genomes & Adaptat Microbienne, Vandoeuvre Les Nancy, France.
[Aigle, Bertrand] INRA, UMR 1128, Vandoeuvre Les Nancy, France.
[Apel, Alexander K.; Gross, Harald; Gust, Bertolt; Kaysser, Leonard] Univ Tubingen, Inst Pharmazeut, Dept Pharmaceut Biol, Tubingen, Germany.
[Apel, Alexander K.; Gross, Harald; Gust, Bertolt; Kaysser, Leonard; Stegmann, Evi; Wohlleben, Wolfgang; Ziemert, Nadine] Partner Site Tubingen, German Ctr Infect Res DZIF, Tubingen, Germany.
[Balibar, Carl J.] Merck Res Labs, Infect Dis Res, Kenilworth, NJ USA.
[Balskus, Emily P.] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA.
[Bode, Helge B.] Goethe Univ Frankfurt, Buchmann Inst Mol Life Sci BMLS, D-60054 Frankfurt, Germany.
[Borriss, Rainer] Humboldt Univ, Albrecht Thaer Inst, Fachbereich Phytomed, D-10099 Berlin, Germany.
[Caffrey, Patrick] Univ Coll Dublin, UCD Sch Biomol & Biomed Sci, Dublin, Ireland.
[Cheng, Yi-Qiang] Univ N Texas, Hlth Sci Ctr, UNT Syst Coll Pharm, Ft Worth, TX USA.
[Clardy, Jon] Harvard Univ, Sch Med, Dept Biol Chem & Mol Pharmacol, Boston, MA USA.
[Cox, Russell J.] Leibniz Univ Hannover, Inst Organ Chem, Hannover, Germany.
[Cox, Russell J.] Univ Bristol, Sch Chem, Bristol, Avon, England.
[De Mot, Rene] Univ Leuven, Fac Biosci Engn, Ctr Microbial & Plant Genet, Heverlee, Belgium.
[Donadio, Stefano; Sosio, Margherita] Naicons Srl, Milan, Italy.
[Donia, Mohamed S.] Princeton Univ, Dept Mol Biol, Princeton, NJ 08544 USA.
[van der Donk, Wilfred A.; Mitchell, Douglas A.] Univ Illinois, Dept Chem, Urbana, IL USA.
[van der Donk, Wilfred A.] Howard Hughes Med Inst, Chevy Chase, MD USA.
[Dorrestein, Pieter C.] Univ Calif San Diego, Collaborat Mass Spectrometry Innovat Ctr, La Jolla, CA 92093 USA.
[Doyle, Sean] Maynooth Univ, Dept Biol, Maynooth, Kildare, Ireland.
[Driessen, Arnold J. M.] Univ Groningen, Groningen Biomol Sci & Biotechnol Inst, Dept Mol Microbiol, Groningen, Netherlands.
[Driessen, Arnold J. M.] Univ Groningen, Zernike Inst Adv Mat, Groningen, Netherlands.
[Ehling-Schulz, Monika] Univ Vet Med Vienna, Inst Microbiol, Dept Pathobiol, Funct Microbiol, Vienna, Austria.
[Hertweck, Christian] Univ Jena, Jena, Germany.
[Hofte, Monica] Univ Ghent, Fac Biosci Engn, Dept Crop Protect, B-9000 Ghent, Belgium.
[Jensen, Susan E.] Univ Alberta, Dept Biol Sci, Edmonton, AB, Canada.
[Katz, Leonard] Univ Calif Emeryville, Synthet Biol Engn Res Ctr SynBERC, Emeryville, CA USA.
[Klassen, Jonathan L.] Univ Connecticut, Dept Mol & Cell Biol, Storrs, CT USA.
[Keller, Nancy P.] Univ Wisconsin, Dept Bacteriol, Madison, WI 53706 USA.
[Kormanec, Jan] Slovak Acad Sci, Inst Mol Biol, Bratislava 84251, Slovakia.
[Kuipers, Oscar P.] Univ Groningen, Groningen Biomol Sci & Biotechnol Inst, Dept Mol Genet, Groningen, Netherlands.
[Kuzuyama, Tomohisa] Univ Tokyo, Biotechnol Res Ctr, Tokyo, Japan.
[Kyrpides, Nikos C.] King Abdulaziz Univ, Fac Sci, Dept Biol Sci, Jeddah, Saudi Arabia.
[Kwon, Hyung-Jin] Myongji Univ, Div Biosci & Bioinformat, Yongin, Gyeonggi Do, South Korea.
[Lautru, Sylvie; Pernodet, Jean-Luc] Univ Paris 11, CNRS, CEA, Inst Integrat Biol Cell I2BC, Orsay, France.
[Lee, Chia Y.] Univ Arkansas Med Sci, Dept Microbiol & Immunol, Little Rock, AR 72205 USA.
[Linquan, Bai] Shanghai Jiao Tong Univ, State Key Lab Microbial Metab, Shanghai 200030, Peoples R China.
[Linquan, Bai] Shanghai Jiao Tong Univ, Sch Life Sci & Biotechnol, Shanghai 200030, Peoples R China.
[Mahmud, Taifo] Oregon State Univ, Dept Pharmaceut Sci, Corvallis, OR 97331 USA.
[Mast, Yvonne; Stegmann, Evi; Wohlleben, Wolfgang; Ziemert, Nadine] Univ Tubingen, Fac Sci, Interfaculty Inst Microbiol & Infect Med, Microbiology Biotechnol, Tubingen, Germany.
[Mendez, Carmen; Salas, Jose A.] Univ Oviedo, Dept Biol Func, Oviedo, Spain.
[Mendez, Carmen] Univ Oviedo, IUOPA, Oviedo, Spain.
[Metsa-Ketela, Mikko] Univ Turku, Dept Biochem, Turku, Finland.
[Micklefield, Jason] Univ Manchester, Sch Chem, Manchester, Lancs, England.
[Moreira, Leonilde M.] Univ Lisbon, Inst Super Tecn, Inst Bioengn & Biosci, P-1699 Lisbon, Portugal.
[Neilan, Brett A.] Univ New S Wales, Sch Biotechnol & Biomol Sci, Sydney, NSW, Australia.
[Nielsen, Jens] Chalmers, Dept Chem & Biol Engn, S-41296 Gothenburg, Sweden.
[O'Gara, Fergal] Curtin Univ, Sch Biomed Sci, Perth, WA 6845, Australia.
[Oikawa, Hideaki] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido, Japan.
[Osburne, Marcia S.] Tufts Univ, Sch Med, Dept Mol Biol & Microbiol, Boston, MA 02111 USA.
[Ostash, Bohdan] Ivan Franko Natl Univ Lviv, Dept Genet & Biotechnol, Lvov, Ukraine.
[Petricek, Miroslav] Acad Sci Czech Republic, Inst Microbiol, Prague, Czech Republic.
[Ploux, Olivier] Univ Paris Diderot, CNRS, LIED, UMR 8236, Paris, France.
[Schmitt, Esther K.] Novartis Inst BioMed Res, Basel, Switzerland.
[Scott, Barry] Massey Univ, Inst Fundamental Sci, Palmerston North, New Zealand.
[Seipke, Ryan F.] Univ Leeds, Fac Biol Sci, Sch Mol & Cellular Biol, Astbury Ctr Struct Mol Biol, Leeds, W Yorkshire, England.
[Shen, Ben] Scripps Res Inst, Mol Therapeut & Nat Prod Lib Initiat, Jupiter, FL USA.
[Smanski, Michael J.] Univ Minnesota Twin Cities, Dept Biochem Mol Biol & Biophys, St Paul, MN USA.
[Smanski, Michael J.] Univ Minnesota Twin Cities, BioTechnol Inst, St Paul, MN USA.
[Viaud, Muriel] INRA, Unite Biol & GEst Risques Agr BIOGER, Grignon, France.
[Walton, Jonathan D.] Michigan State Univ, Dept Energy Great Lakes, Bioenergy Res Ctr, E Lansing, MI 48824 USA.
[Walton, Jonathan D.] Michigan State Univ, Dept Energy, Plant Res Lab, E Lansing, MI 48824 USA.
[Walsh, Christopher T.] Stanford Univ, Chemistry Engn & Med Human Hlth ChEM H Inst, Stanford, CA 94305 USA.
[van Wezel, Gilles P.] Leiden Univ, Inst Biol, Mol Biotechnol, Leiden, Netherlands.
[Willey, Joanne M.] Hofstra North Shore Long Isl Jewish Sch Med, Hempstead, NY USA.
[Zotchev, Sergey B.] Norwegian Univ Sci & Technol, Dept Biotechnol, N-7034 Trondheim, Norway.
[Gloeckner, Frank Oliver] Jacobs Univ Bremen, gGmbH, D-28759 Bremen, Germany.
RP Medema, MH (reprint author), Max Planck Inst Marine Microbiol, Microbial Genom & Bioinformat Res Grp, Bremen, Germany.
EM marnix.medema@wur.nl
RI Fac Sci, KAU, Biol Sci Dept/L-4228-2013; Moreira,
Leonilde/C-6744-2011; Ziemert, Nadine/H-1935-2015; de Bruijn,
Irene/A-7437-2014; Faculty of, Sciences, KAU/E-7305-2017; Muller,
Rolf/B-1559-2008; Zhang, Changsheng/B-5965-2012; Raaijmakers,
Jos/D-1574-2014; Weber, Tilmann/C-7159-2009; Petricek,
Miroslav/H-8417-2014; Micklefield, Jason/I-8502-2016; Fewer,
David/A-8704-2008; Chooi, Yit Heng/D-9617-2017;
OI Jones, Adam/0000-0001-7521-1863; Wright, Gerard/0000-0002-9129-7131;
Mitchell, Douglas/0000-0002-9564-0953; Mahmud,
Taifo/0000-0001-9639-526X; Klassen, Jonathan/0000-0003-1745-8838;
Hertweck, Christian/0000-0002-0367-337X; Hillwig,
Matthew/0000-0002-1168-4191; Takano, Eriko/0000-0002-6791-3256; Moreira,
Leonilde/0000-0002-6838-4245; de Bruijn, Irene/0000-0002-4889-3253;
Muller, Rolf/0000-0002-1042-5665; Zhang, Changsheng/0000-0003-2349-3138;
Raaijmakers, Jos/0000-0003-1608-6614; Weber,
Tilmann/0000-0002-8260-5120; Petricek, Miroslav/0000-0001-8757-2404;
Micklefield, Jason/0000-0001-8951-4873; Fewer,
David/0000-0003-3978-4845; Chooi, Yit Heng/0000-0001-7719-7524;
Driessen, Arnold J.M./0000-0001-9258-9104; Medema,
Marnix/0000-0002-2191-2821
FU Biotechnology and Biological Sciences Research Council [BB/J014478/1,
BB/M017702/1]; NIAID NIH HHS [R01 AI091957]
NR 30
TC 63
Z9 64
U1 24
U2 150
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1552-4450
EI 1552-4469
J9 NAT CHEM BIOL
JI Nat. Chem. Biol.
PD SEP
PY 2015
VL 11
IS 9
BP 625
EP 631
PG 7
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CP5WC
UT WOS:000359954700003
PM 26284661
ER
PT J
AU Ma, W
Kong, Q
Grix, M
Mantyla, JJ
Yang, Y
Benning, C
Ohlrogge, JB
AF Ma, Wei
Kong, Que
Grix, Michael
Mantyla, Jenny J.
Yang, Yang
Benning, Christoph
Ohlrogge, John B.
TI Deletion of a C-terminal intrinsically disordered region of WRINKLED1
affects its stability and enhances oil accumulation in Arabidopsis
SO PLANT JOURNAL
LA English
DT Article
DE transcription factor; plant oil biosynthesis; protein stability;
phosphorylation; intrinsically disordered region; PEST motif
ID RESPONSIVE GENE-EXPRESSION; TRANSCRIPTION FACTOR;
PROTEIN-PHOSPHORYLATION; FUNCTIONAL-ANALYSIS; ABSCISIC-ACID; DOMAIN;
BIOSYNTHESIS; DEGRADATION; SEQUENCE; PLANTS
AB WRINKLED1 (WRI1) is a key transcription factor governing plant oil biosynthesis. We characterized three intrinsically disordered regions (IDRs) in Arabidopsis WRI1, and found that one C-terminal IDR of AtWRI1 (IDR3) affects the stability of AtWRI1. Analysis by bimolecular fluorescence complementation and yeast-two-hybrid assays indicated that the IDR3 domain does not determine WRI1 stability by interacting with BTB/POZ-MATH proteins connecting AtWRI1 with CULLIN3-based E3 ligases. Analysis of the WRI1 sequence revealed that a putative PEST motif (proteolytic signal) is located at the C-terminal region of AtWRI1(IDR3). We also show that a 91 amino acid domain at the C-terminus of AtWRI1 without the PEST motif is sufficient for transactivation. We found that removal of the PEST motif or mutations in putative phosphorylation sites increased the stability of AtWRI1, and led to increased oil biosynthesis when these constructs were transiently expressed in tobacco leaves. Oil content was also increased in the seeds of stable transgenic wri1-1 plants expressing AtWRI1 with mutations in the IDR3-PEST motif. Taken together, our data suggest that intrinsic disorder of AtWRI1(IDR3) may facilitate exposure of the PEST motif to protein kinases. Thus, phosphorylation of the PEST motif in the AtWRI1(IDR3) domain may affect AtWRI1-mediated plant oil biosynthesis. The results obtained here suggest a means to increase accumulation of oils in plant tissues through WRI1 engineering.
C1 [Ma, Wei; Ohlrogge, John B.] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
[Ma, Wei; Kong, Que; Yang, Yang; Benning, Christoph; Ohlrogge, John B.] Michigan State Univ, Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA.
[Kong, Que; Grix, Michael; Mantyla, Jenny J.; Yang, Yang; Benning, Christoph] Michigan State Univ, Dept Biochem & Mol Biol, E Lansing, MI 48824 USA.
RP Ma, W (reprint author), Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
EM mawei@msu.edu
FU Department of Energy/Great Lakes Bioenergy Research Center
[DE-FC02-07ER6449]
FX We thank Henrik Tjellstrom and Meng Zhang (College of Agronomy,
Northwest A&F University) for advice on lipid analysis, Eva Farre for
advice on the cell-free degradation assay, and Melinda Frame (Michigan
State University Center for Advanced Microscopy) for confocal microscopy
experiments. This work was supported by the Department of Energy/Great
Lakes Bioenergy Research Center Cooperative Agreement DE-FC02-07ER6449
(to J.B.O. and C.B.).
NR 62
TC 7
Z9 8
U1 3
U2 22
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0960-7412
EI 1365-313X
J9 PLANT J
JI Plant J.
PD SEP
PY 2015
VL 83
IS 5
BP 864
EP 874
DI 10.1111/tpj.12933
PG 11
WC Plant Sciences
SC Plant Sciences
GA CP7WQ
UT WOS:000360100200010
PM 26305482
ER
PT J
AU Wang, P
Dominguez-Caballero, JA
Friedman, DJ
Menon, R
AF Wang, Peng
Dominguez-Caballero, Jose A.
Friedman, Daniel J.
Menon, Rajesh
TI A new class of multi-bandgap high-efficiency photovoltaics enabled by
broadband diffractive optics
SO PROGRESS IN PHOTOVOLTAICS
LA English
DT Article
DE multi-bandgap photovoltaics; solar concentrator; spectrum-splitting;
diffractive optics; microstructures
ID SOLAR-CELLS
AB A semiconductor absorber with a single bandgap is unable to convert broadband sunlight into electricity efficiently. Photons with energy lower than the bandgap are not absorbed, whereas those with energy far higher than the bandgap lose energy via thermalization. In this Article, we demonstrate an approach to mitigate these losses via a thin, efficient broadband diffractive micro-structured optic that not only spectrally separates incident light but also concentrates it onto multiple laterally separated single-junction semiconductor absorbers. A fully integrated optoelectronic device model was applied in conjunction with a nonlinear optimization algorithm to design the optic. An experimental demonstration is presented for a dual-bandgap design using GaInP and GaAs solar cells, where a 20% increase in the total electric power is measured compared with the same cells without the diffractive optic. Finally, we demonstrate that this framework of broadband diffractive optics allows us to independently design for the number of spectral bands and geometric concentration, thereby enabling a new class of multi-bandgap photovoltaic devices with ultra-high energy conversion efficiencies. Copyright (c) 2014 John Wiley & Sons, Ltd.
C1 [Wang, Peng; Menon, Rajesh] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA.
[Dominguez-Caballero, Jose A.] MIT, Dept Mech Engn, Cambridge, MA 02139 USA.
[Friedman, Daniel J.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Menon, R (reprint author), Univ Utah, ECE, Salt Lake City, UT 84112 USA.
EM rmenon@eng.utah.edu
FU DOE Sunshot Grant [EE0005959]
FX The project was partially funded by a DOE Sunshot Grant, EE0005959.
NR 22
TC 10
Z9 10
U1 2
U2 15
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1062-7995
EI 1099-159X
J9 PROG PHOTOVOLTAICS
JI Prog. Photovoltaics
PD SEP
PY 2015
VL 23
IS 9
BP 1073
EP 1079
DI 10.1002/pip.2516
PG 7
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA CP4QW
UT WOS:000359868400001
ER
PT J
AU Wan, LF
Beckman, SP
AF Wan, L. F.
Beckman, S. P.
TI Atomic bonding in the AlLiB14
SO SOLID STATE SCIENCES
LA English
DT Article; Proceedings Paper
CT 18th International-Symposium-on-Boron-Borides and Related Materials
(ISBB)
CY AUG 31-SEP 05, 2014
CL Honolulu, HI
DE Boron; Electronic structure; Mechanical properties
ID COMPLEX BORIDES; ALMGB14
AB The underlying nature of atomic bonds in the orthorhombic AlLiB14 crystal is studied using first-principles methods. Significant charge transfer is observed upon bonding, which is responsible to maintain good mechanical strength of the crystal. Individual bonding or anti-bonding states are identified which explains the correlation between the optimal mechanical strength and the electronic occupation of individual atomic orbitals. When the Fermi level is 0.35 eV inside the valence band the crystal has its maximum strength, which is the nominal position of the Fermi level in the experimentally-observed, off-stoichometric orthorhombic borides. These results indicate that the soft-phonon modes previously identified in the literature allow the crystal to reach the optimal stability. Due to the unique crystallographic symmetry, the impact of uniaxial compressive strain on the individual bonds is also examined in the end. (C) 2014 Elsevier Masson SAS. All rights reserved.
C1 [Wan, L. F.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Mol Foundry, Berkeley, CA 94720 USA.
[Wan, L. F.; Beckman, S. P.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
RP Beckman, SP (reprint author), Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
EM sbeckman@iastate.edu
FU U.S. National Science Foundation [DMR-1105641]
FX The authors gratefully acknowledge support by the U.S. National Science
Foundation through grant DMR-1105641.
NR 27
TC 0
Z9 0
U1 3
U2 10
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1293-2558
EI 1873-3085
J9 SOLID STATE SCI
JI Solid State Sci.
PD SEP
PY 2015
VL 47
BP 3
EP 6
DI 10.1016/j.solidstatesciences.2014.12.005
PG 4
WC Chemistry, Inorganic & Nuclear; Chemistry, Physical; Physics, Condensed
Matter
SC Chemistry; Physics
GA CP7ZM
UT WOS:000360109200002
ER
PT J
AU Chavez, DE
Myers, TW
Veauthier, JM
Greenfield, MT
Scharff, RJ
Parrish, DA
AF Chavez, David E.
Myers, Thomas W.
Veauthier, Jacqueline M.
Greenfield, Margo T.
Scharff, R. Jason
Parrish, Damon A.
TI Pentaerythritol Trinitrate Substituted s-Tetrazine and s-Triazine
SO SYNLETT
LA English
DT Article
DE tetrazines; triazines; heterocycle; cyclic voltammetry; UV; Vis;
energetic materials
ID CRYSTAL-STRUCTURE; DERIVATIVES; COMPLEX
AB The synthesis of pentaerythritol trinitrate persubstituted 1,2,4,5-tetrazine and 1,3,5-triazine is reported. These materials were characterized with respect to their chemical and energetic materials properties. X-ray crystallographic analyses were also performed. The UV/Vis, Raman, and cyclic voltammetry data were collected and are reported.
C1 [Chavez, David E.; Myers, Thomas W.; Veauthier, Jacqueline M.; Greenfield, Margo T.; Scharff, R. Jason] Los Alamos Natl Lab, Weap Expt Div, Los Alamos, NM 87545 USA.
[Parrish, Damon A.] US Navy, Res Lab, Struct Matter Lab, Washington, DC 20375 USA.
RP Chavez, DE (reprint author), Los Alamos Natl Lab, Weap Expt Div, POB 1663, Los Alamos, NM 87545 USA.
EM dechavez@lanl.gov
OI Scharff, Robert/0000-0002-1708-8964; Veauthier,
Jacqueline/0000-0003-2206-7786
FU Laboratory Directed Research and Development Program office; U.S.
Department of Energy [DE-AC52-06NA25396]; Office of Naval Research
[N00014-11-AF-0-0002]
FX The authors would like to thank the Laboratory Directed Research and
Development Program office for funding this work. We would like to thank
Stephanie Hagelberg (elemental analysis) for characterization. Los
Alamos National Laboratory is operated by Los Alamos National Security
(LANS, LLC) under contract No. DE-AC52-06NA25396 for the U.S. Department
of Energy. The authors also thank the Office of Naval Research (Award
No. N00014-11-AF-0-0002)
NR 19
TC 4
Z9 4
U1 1
U2 21
PU GEORG THIEME VERLAG KG
PI STUTTGART
PA RUDIGERSTR 14, D-70469 STUTTGART, GERMANY
SN 0936-5214
EI 1437-2096
J9 SYNLETT
JI Synlett
PD SEP
PY 2015
VL 26
IS 14
BP 2029
EP 2032
DI 10.1055/s-0034-1381042
PG 4
WC Chemistry, Organic
SC Chemistry
GA CP6LH
UT WOS:000359998200020
ER
PT J
AU Siddens, LK
Bunde, KL
Harper, TA
McQuistan, TJ
Lohr, CV
Bramer, LM
Waters, KM
Tilton, SC
Krueger, SK
Williams, DE
Baird, WM
AF Siddens, Lisbeth K.
Bunde, Kristi L.
Harper, Tod A.
McQuistan, Tammie J.
Loehr, Christiane V.
Bramer, Lisa M.
Waters, Katrina M.
Tilton, Susan C.
Krueger, Sharon K.
Williams, David E.
Baird, William M.
TI Cytochrome P450 1b1 in polycyclic aromatic hydrocarbon (PAH)-induced
skin carcinogenesis: Tumorigenicity of individual PAHs and coal-tar
extract, DNA adduction and expression of select genes in the Cyp1b1
knockout mouse
SO TOXICOLOGY AND APPLIED PHARMACOLOGY
LA English
DT Article
DE PAHs; Cyp1b1; Relative Potency Factor; Skin cancer; DNA adducts
ID TUMOR-INITIATING ACTIVITY; ALDO-KETO REDUCTASES; RAT MAMMARY-GLAND;
METABOLIC-ACTIVATION; COMPLEX MIXTURE; DIOL EPOXIDES; FJORD REGION;
TRANSPLACENTAL CARCINOGENESIS; DETERMINES SUSCEPTIBILITY; POTENT
CARCINOGEN
AB FVB/N mice wild-type, heterozygous or null for Cyp 1b1 were used in a two-stage skin tumor study comparing PAH, benzo[a]pyrene (BaP), dibenzo[def,p]chrysene (DBC), and coal tar extract (CTE, SRM 1597a). Following 20 weeks of promotion with TPA the Cyp 1b1 null mice, initiated with DBC. exhibited reductions in incidence, multiplicity, and progression. None of these effects were observed with BaP or CTE. The mechanism of Cyp 1b1-dependent alteration of DBC skin carcinogenesis was further investigated by determining expression of select genes in skin from DBC-treated mice 2,4 and 8 h post-initiation. A significant reduction in levels of Cyp 1a1, Nqo1 at 8 h and Akr 1c14 mRNA was observed in Cyp 1b1 null (but not wt or het) mice, whereas no impact was observed in Gst a1, Nqo 1 at 2 and 4 h or Akr 1c19 at any time point Cyp 1b1 mRNA was not elevated by DBC. The major covalent DNA adducts, dibenzo[def,p]chrysene-(+/-)-11,12-dihydrodiol-cis and trans-13,14-epoxide-deoxyadenosine (DBCDE-dA) were quantified by UHPLC-MS/MS 8 h post-initiation. Loss of Cyp1 b1 expression reduced DBCDE-dA adducts in the skin but not to a statistically significant degree. The ratio of cis- to trans-DBCDE-dA adducts was higher in the skin than other target tissues such as the spleen, lung and liver (oral dosing). These results document that Cyp 1b1 plays a significant role in bioactivation and carcinogenesis of DBC in a two-stage mouse skin tumor model and that loss of Cyp 1b1 has little impact on tumor response with BaP or CTE as initiators. (C) 2015 Elsevier Inc All rights reserved.
C1 [Siddens, Lisbeth K.; Harper, Tod A.; Tilton, Susan C.; Krueger, Sharon K.; Williams, David E.; Baird, William M.] Oregon State Univ, Dept Environm & Mol Toxicol, Corvallis, OR 97331 USA.
[Siddens, Lisbeth K.; McQuistan, Tammie J.; Waters, Katrina M.; Tilton, Susan C.; Krueger, Sharon K.; Williams, David E.; Baird, William M.] Oregon State Univ, Superfund Res Ctr, Corvallis, OR 97331 USA.
[Harper, Tod A.; McQuistan, Tammie J.; Krueger, Sharon K.; Williams, David E.] Oregon State Univ, Linus Pauling Inst, Corvallis, OR 97331 USA.
[Harper, Tod A.; Loehr, Christiane V.; Williams, David E.; Baird, William M.] Oregon State Univ, Environm Hlth Sci Ctr, Corvallis, OR 97331 USA.
[Bunde, Kristi L.; Loehr, Christiane V.] Oregon State Univ, Coll Vet Med, Corvallis, OR 97331 USA.
[Bramer, Lisa M.] Pacific NW Natl Lab, Appl Stat & Computat Modeling, Richland, WA 99352 USA.
[Waters, Katrina M.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
RP Williams, DE (reprint author), Oregon State Univ, Linus Pauling Inst, 473 LPSC, Corvallis, OR 97331 USA.
EM david.williams@oregonstate.edu
RI Bramer, Lisa/L-9184-2016
OI Bramer, Lisa/0000-0002-8384-1926
FU National Institute of Environmental Health Sciences through National
Cancer Institute [P42 ES016465, P30 ES000210, T32 ES07060, P01 CA90890]
FX This work was supported by the National Institute of Environmental
Health Sciences through grants P42 ES016465, P30 ES000210 and T32
ES07060, and P01 CA90890 from the National Cancer Institute.
NR 70
TC 2
Z9 2
U1 5
U2 22
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0041-008X
EI 1096-0333
J9 TOXICOL APPL PHARM
JI Toxicol. Appl. Pharmacol.
PD SEP 1
PY 2015
VL 287
IS 2
BP 149
EP 160
DI 10.1016/j.taap.2015.05.019
PG 12
WC Pharmacology & Pharmacy; Toxicology
SC Pharmacology & Pharmacy; Toxicology
GA CP4VO
UT WOS:000359880900007
PM 26049101
ER
PT J
AU Peng, S
Yang, JJ
Xiao, XH
Loucks, B
Ruppel, SC
Zhang, TW
AF Peng, Sheng
Yang, Jijin
Xiao, Xianghui
Loucks, Bob
Ruppel, Stephen C.
Zhang, Tongwei
TI An Integrated Method for Upscaling Pore-Network Characterization and
Permeability Estimation: Example from the Mississippian Barnett Shale
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE Pore network; Permeability; Upscaling; Organic-rich shale system
AB Although pore-network characterization of shale rock systems is being actively investigated, a detailed understanding of the pore network at the nanometer-to-millimeter scale has not been completed. This is because of the technical limitations of collecting and integrating data at the wide spectrum of scales necessary to understand the pore network. Permeability for a micrometer-scale volume can be estimated based on pore-scale modeling for the focused ion beam/scanning electron microscope (FIB/SEM) milled 3D pore network; however, it is not clear how representative this permeability is for larger volumes. In this study, an integrated method employing FIB/SEM, helium ion microscopy, and synchrotron X-ray micro-computed tomography (micro-CT) was developed and applied to a Barnett Shale sample for pore and organic-matter distribution network characterization and upscaling. Organic-matter particle network characterization using synchrotron micro-CT scanning is the key step that bridges the gap between nanometer-scale and macroscopic observations. A conceptual model and an empirical equation were developed for permeability estimation based on FIB/SEM and micro-CT image analysis and mercury intrusion data. Upscaled permeability estimation was produced based on the empirical equation and parameters from the image and mercury intrusion analysis. The resulting permeability values of 2-22 and 0.6-3 nD for parallel and perpendicular to bedding planes, respectively, are comparable to laboratory measurements of the same sample. The proposed technique provides a method for more basic understanding of the pore network and pore-permeability relationship for organic-rich shale samples, and can serve as a basis for further upscaling to core and formation scale.
C1 [Peng, Sheng; Loucks, Bob; Ruppel, Stephen C.; Zhang, Tongwei] Univ Texas Austin, Jackson Sch Geosci, Bur Econ Geol, Univ Stn, Austin, TX 78713 USA.
[Yang, Jijin] Carl Zeiss Microscopy LLC, Thornwood, NY 10594 USA.
[Xiao, Xianghui] Argon Natl Lab, Adv Photon Source, Lemont, IL 60439 USA.
RP Peng, S (reprint author), Univ Texas Austin, Jackson Sch Geosci, Bur Econ Geol, Univ Stn, Box 10, Austin, TX 78713 USA.
EM sheng.peng@beg.utexas.edu
RI Peng, Sheng/I-7548-2015
FU University of Texas at Austin; Mudrock Systems Research Laboratory in
the Bureau of Economic Geology at UT Austin; U.S. DOE
[DE-AC02-06CH11357]
FX This study is sponsored by The University of Texas at Austin and the
Mudrock Systems Research Laboratory in the Bureau of Economic Geology at
UT Austin. Use of the Advanced Photon Source, a User Facility operated
for the U.S. Department of Energy (DOE) Office of Science by Argonne
National Laboratory, was supported by the U.S. DOE under Contract No.
DE-AC02-06CH11357. Publication authorized by the Director, Bureau of
Economic Geology.
NR 25
TC 3
Z9 3
U1 8
U2 26
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
EI 1573-1634
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD SEP
PY 2015
VL 109
IS 2
BP 359
EP 376
DI 10.1007/s11242-015-0523-8
PG 18
WC Engineering, Chemical
SC Engineering
GA CP5UM
UT WOS:000359950300007
ER
PT J
AU Ye, Q
Yang, XG
Dai, SW
Chen, GS
Li, Y
Zhanga, CX
AF Ye, Qing
Yang, Xiaoguang
Dai, Shuwei
Chen, Guangsheng
Li, Yong
Zhanga, Caixia
TI Effects of climate change on suitable rice cropping areas, cropping
systems and crop water requirements in southern China
SO AGRICULTURAL WATER MANAGEMENT
LA English
DT Article
DE Climate change; Rice cropping system; Crop water requirement; Irrigation
water requirement; Suitable planting area for rice
ID SPATIOTEMPORAL CHANGE CHARACTERISTICS; THERMAL GROWING-SEASON; CHANGE
IMPACTS; IRRIGATION; RESOURCES; YIELD; 20TH-CENTURY; DEMAND; TRENDS
AB Rice is one of the main crops grown in southern China. Global climate change has significantly altered the local water availability and temperature regime for rice production. In this study, we explored the influence of climate change on suitable rice cropping areas, rice cropping systems and crop water requirements (CWRs) during the growing season for historical (from 1951 to 2010) and future (from 2011 to 2100) time periods. The results indicated that the land areas suitable for rice cropping systems shifted northward and westward from 1951 to 2100 but with different amplitudes. The land areas suitable for single rice-cropping systems (SRCS) and early double rice-cropping systems (EDRCS) decreased, whereas the land areas suitable for middle double rice-cropping systems (MDRCS) and late double rice-cropping systems (LDRCS) expanded significantly. Among the rice-cropping systems, the planting area suitable for SRCS was the largest during the historical period (1951-1980), whereas the suitable planting area for LDRCS was the largest during the future period (2070-2100). Spatially, the water requirement of rice during the growing season exhibited a decreasing trend from southeast to northwest from 1951 to 2010. Temporally, the regional water requirement of rice during the growing season decreased from 720 mm (1951-1980) to 700 mm (1981-2010) as a result of solar radiation and evapotranspiration. However, the water requirement was predicted to increase from 1027 mm (2011-2040) to 1150 mm (2071-2100). During the past six decades, the planting area suitable for double rice-cropping systems increased by 2.7 x 10(4) km(2) and, consequently, the CWR and irrigation water requirement (IWR) increased by 1.1 x 10(10) and 8.8 x 10(9) m(3), respectively. In addition, under A1B scenarios, the CWR and IWR of double rice-cropping systems are expected to increase by 1.6 x 10(11) and 1.2 x 10(11) m(3), respectively, from 2071-2100 compared with the historical period of 1951-1980. The regional CWR and IWR were predicted to increase respectively by 8% and 6% from 2011 to 2040, by 17% and 19% from 2041 to 2070, and by 20% and 24% from 2071 to 2100 compared with 1951-1980. These increases can be attributed to climate warming, which expands the suitable planting area for multiple-cropping systems and extends the growing season for late-maturing rice varieties. Our study aims to provide a scientific guide for planning future cropping systems and optimizing water management in the southern rice cropping region of China. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Ye, Qing; Zhanga, Caixia] Jiangxi Agr Univ, Coll Forestry, Nanchang 330045, Peoples R China.
[Ye, Qing; Yang, Xiaoguang; Li, Yong] China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China.
[Dai, Shuwei] Univ Nebraska Lincoln, Sch Nat Resources, Lincoln, NE 68583 USA.
[Chen, Guangsheng] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Li, Yong] Guizhou Key Lab Mountainous Climate & Resources, Guiyang 550002, Peoples R China.
RP Yang, XG (reprint author), China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China.
EM yangxg@cau.edu.cn
FU Special Fund for Meteorology-scientific Research in the Public Interest,
China [GYHY201106020]; National 973 Program of China [2010CB951502]
FX This work is funded by Special Fund for Meteorology-scientific Research
in the Public Interest, China (GYHY201106020) and the National 973
Program of China (2010CB951502).
NR 64
TC 9
Z9 11
U1 9
U2 52
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-3774
EI 1873-2283
J9 AGR WATER MANAGE
JI Agric. Water Manage.
PD SEP
PY 2015
VL 159
BP 35
EP 44
DI 10.1016/j.agwat.2015.05.022
PG 10
WC Agronomy; Water Resources
SC Agriculture; Water Resources
GA CO7HK
UT WOS:000359330000004
ER
PT J
AU Boundy-Mills, K
Hess, M
Bennett, AR
Ryan, M
Kang, S
Nobles, D
Eisen, JA
Inderbitzin, P
Sitepu, IR
Torok, T
Brown, DR
Cho, J
Wertz, JE
Mukherjee, S
Cady, SL
McCluskey, K
AF Boundy-Mills, Kyria
Hess, Matthias
Bennett, A. Rick
Ryan, Matthew
Kang, Seogchan
Nobles, David
Eisen, Jonathan A.
Inderbitzin, Patrik
Sitepu, Irnayuli R.
Torok, Tamas
Brown, Daniel R.
Cho, Juliana
Wertz, John E.
Mukherjee, Supratim
Cady, Sherry L.
McCluskey, Kevin
TI The United States Culture Collection Network (USCCN): Enhancing
Microbial Genomics Research through Living Microbe Culture Collections
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Review
ID TOLERANCE; FUTURE
AB The mission of the United States Culture Collection Network (USCCN; http://usccn.org) is "to facilitate the safe and responsible utilization of microbial resources for research, education, industry, medicine, and agriculture for the betterment of human kind." Microbial culture collections are a key component of life science research, biotechnology, and emerging global biobased economies. Representatives and users of several microbial culture collections from the United States and Europe gathered at the University of California, Davis, to discuss how collections of microorganisms can better serve users and stakeholders and to showcase existing resources available in public culture collections.
C1 [Boundy-Mills, Kyria; Sitepu, Irnayuli R.] Univ Calif Davis, Food Sci & Technol, Phaff Yeast Culture Collect, Davis, CA 95616 USA.
[Hess, Matthias] Univ Calif Davis, Dept Anim Sci, Davis, CA 95616 USA.
[Hess, Matthias; Mukherjee, Supratim] DOE Joint Genome Inst, Walnut Creek, CA USA.
[Hess, Matthias] Pacific NW Natl Lab, Chem Biol Proc Dev Grp, Richland, WA 99352 USA.
[Bennett, A. Rick] Univ Arkansas, Plant Pathol, Fayetteville, AR 72701 USA.
[Ryan, Matthew] CABI, Genet Resources Collect, Surrey, England.
[Kang, Seogchan] Penn State Univ, Dept Plant Pathol & Environm Microbiol, University Pk, PA 16802 USA.
[Nobles, David] Univ Texas Austin, Culture Collect Algae, Austin, TX 78712 USA.
[Eisen, Jonathan A.] Univ Calif Davis, Genome Ctr, Davis, CA 95616 USA.
[Inderbitzin, Patrik] Univ Calif Davis, Plant Pathol, Davis, CA 95616 USA.
[Torok, Tamas] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Brown, Daniel R.] Univ Florida, Coll Vet Med, Dept Infect Dis & Pathol, Gainesville, FL USA.
[Cho, Juliana] Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA 94720 USA.
[Wertz, John E.] Yale Univ, Dept Mol Cellular & Dev Biol, New Haven, CT USA.
[Cady, Sherry L.] Pacific NW Natl Lab, Culture Collect Microorganisms Extreme Environm, Richland, WA 99352 USA.
[McCluskey, Kevin] Kansas State Univ, Dept Plant Pathol, Manhattan, KS 66506 USA.
RP McCluskey, K (reprint author), Kansas State Univ, Dept Plant Pathol, Throckmorton Hall, Manhattan, KS 66506 USA.
EM mccluskeyk@ksu.edu
OI Eisen, Jonathan A./0000-0002-0159-2197; Sitepu,
Irnayuli/0000-0001-9019-693X; Kang, Seogchan/0000-0003-2291-5634
FU U.S. National Science Foundation Division of Biological Infrastructure
[1203112, 1349395]; U.S. National Science Foundation [DBI 0235887];
Environmental Molecular Sciences Laboratory (EMSL), a DOE Office of
Science User Facility - Office of Biological and Environmental Research
FX The Research Coordination Network (RCN) for a community of ex situ
microbial germplasm repositories is supported by grant 1203112 from the
U.S. National Science Foundation Division of Biological Infrastructure.
Boundy-Mills and the Phaff Yeast Culture Collection are partially
supported by grant 1349395 from the U.S. National Science Foundation
Division of Biological Infrastructure. The Fungal Genetics Stock Center
was supported by grant DBI 0235887 from the U.S. National Science
Foundation. S.L.C. and the Collection of Microorganisms from Extreme
Environments (CCMEE) are supported by the Environmental Molecular
Sciences Laboratory (EMSL), a DOE Office of Science User Facility
sponsored by the Office of Biological and Environmental Research and
located at Pacific Northwest National Laboratory (PNNL).
NR 19
TC 2
Z9 2
U1 1
U2 20
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
EI 1098-5336
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD SEP
PY 2015
VL 81
IS 17
BP 5671
EP 5674
DI 10.1128/AEM.01176-15
PG 4
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA CO6HY
UT WOS:000359259000002
PM 26092453
ER
PT J
AU Jay, ZJ
Beam, JP
Dohnalkova, A
Lohmayer, R
Bodle, B
Planer-Friedrich, B
Romine, M
Inskeep, WP
AF Jay, Z. J.
Beam, J. P.
Dohnalkova, A.
Lohmayer, R.
Bodle, B.
Planer-Friedrich, B.
Romine, M.
Inskeep, W. P.
TI Pyrobaculum yellowstonensis Strain WP30 Respires on Elemental Sulfur
and/or Arsenate in Circumneutral Sulfidic Geothermal Sediments of
Yellowstone National Park
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID MICROBIAL COMMUNITY STRUCTURE; CARBON-DIOXIDE ASSIMILATION; TRANSFER-RNA
GENES; SPLICING ENDONUCLEASE; GENOME SEQUENCE; TRNASCAN-SE; ARCHAEA;
AEROPHILUM; THERMOPROTEALES; RESPIRATION
AB Thermoproteales (phylum Crenarchaeota) populations are abundant in high-temperature (>70 degrees C) environments of Yellowstone National Park (YNP) and are important in mediating the biogeochemical cycles of sulfur, arsenic, and carbon. The objectives of this study were to determine the specific physiological attributes of the isolate Pyrobaculum yellowstonensis strain WP30, which was obtained from an elemental sulfur sediment (Joseph's Coat Hot Spring [JCHS], 80 degrees C, pH 6.1, 135 mu MAs) and relate this organism to geochemical processes occurring in situ. Strain WP30 is a chemoorganoheterotroph and requires elemental sulfur and/or arsenate as an electron acceptor. Growth in the presence of elemental sulfur and arsenate resulted in the formation of thioarsenates and polysulfides. The complete genome of this organism was sequenced (1.99 Mb, 58% G + C content), revealing numerous metabolic pathways for the degradation of carbohydrates, amino acids, and lipids. Multiple dimethyl sulfoxide-molybdopterin (DMSO-MPT) oxidoreductase genes, which are implicated in the reduction of sulfur and arsenic, were identified. Pathways for the de novo synthesis of nearly all required cofactors and metabolites were identified. The comparative genomics of P. yellowstonensis and the assembled metagenome sequence from JCHS showed that this organism is highly related (similar to 95% average nucleotide sequence identity) to in situ populations. The physiological attributes and metabolic capabilities of P. yellowstonensis provide an important foundation for developing an understanding of the distribution and function of these populations in YNP.
C1 [Jay, Z. J.; Beam, J. P.; Inskeep, W. P.] Montana State Univ, Thermal Biol Inst, Bozeman, MT 59717 USA.
[Jay, Z. J.; Beam, J. P.; Inskeep, W. P.] Montana State Univ, Dept Land Resources & Environm Sci, Bozeman, MT 59717 USA.
[Dohnalkova, A.; Romine, M.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Lohmayer, R.; Planer-Friedrich, B.] Univ Bayreuth, Environm Geochem, Bayreuth Ctr Ecol & Environm Res BayCEER, Bayreuth, Germany.
[Bodle, B.] Montana State Univ, Dept Biochem, Bozeman, MT 59717 USA.
RP Inskeep, WP (reprint author), Montana State Univ, Thermal Biol Inst, Bozeman, MT 59717 USA.
EM binskeep@montana.edu
RI Planer-Friedrich, Britta/J-1548-2012;
OI Planer-Friedrich, Britta/0000-0002-0656-4283; Romine,
Margaret/0000-0002-0968-7641
FU Pacific Northwest National Laboratory Foundational Science Focus Area
[112443]; U.S. Department of Energy (DOE)-Joint Genome Institute
Community Sequencing Program [CSP 787081]; NSF-IGERT [0654336]; Genomic
Science Program, Office of Biological and Environmental Research, DOE
FX We appreciate support from the Pacific Northwest National Laboratory
Foundational Science Focus Area (subcontract no. 112443), the U.S.
Department of Energy (DOE)-Joint Genome Institute Community Sequencing
Program (CSP 787081), and the NSF-IGERT (0654336). The work conducted by
the Joint Genome Institute (DOE-AC02-05CH11231) and the Environmental
Molecular Sciences Laboratory (EMSL) at the Pacific Northwest National
Laboratory (Foundational Scientific Focus Area) is supported by the
Genomic Science Program, Office of Biological and Environmental
Research, DOE.
NR 80
TC 4
Z9 4
U1 4
U2 23
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
EI 1098-5336
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD SEP
PY 2015
VL 81
IS 17
BP 5907
EP 5916
DI 10.1128/AEM.01095-15
PG 10
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA CO6HY
UT WOS:000359259000026
PM 26092468
ER
PT J
AU Cervini-Silva, J
Nieto-Camacho, A
Gomez-Vidales, V
AF Cervini-Silva, Javiera
Nieto-Camacho, Antonio
Gomez-Vidales, Virginia
TI Oxidative stress inhibition and oxidant activity by fibrous clays
SO COLLOIDS AND SURFACES B-BIOINTERFACES
LA English
DT Article
DE Hydroxyl radicals; Tetrahedron-inversion sites; Surface-controlled;
Silanol groups
ID LIPID-PEROXIDATION; SEPIOLITE; PALYGORSKITE; ACID; ANTIBACTERIAL;
CYTOTOXICITY; DEGRADATION; HALLOYSITE; IRON; RAT
AB Fibrous clays (sepiolite, palygorskite) are produced at 1.2 m tonnes per year and have a wide range of industrial applications needing to replace long-fibre length asbestos. However, information on the beneficial effects of fibrous clays on health remains scarce. This paper reports on the effect of sepiolite (Vallecas, Spain) and palygorskite (Torrejon El Rubio, Spain) on cell damage via oxidative stress (determined as the progress of lipid peroxidation, LP). The extent of LP was assessed using the Thiobarbituric Acid Reactive Substances assay. The oxidant activity by fibrous clays was quantified using Electron-Paramagnetic Resonance. Sepiolite and palygorskite inhibited LP, whereby corresponding IC50 values were 6557 +/- 1024 and 4250 +/- 289 mu g mL(-1). As evidenced by dose-response experiments LP inhibition by palygorskite was surface-controlled. Fibrous clay surfaces did not stabilize HO center dot species, except for suspensions containing 5000 mu g mL(-1). A strong oxidant (or weak anti-oxidant) activity favours the inhibition of LP by fibrous clays. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Cervini-Silva, Javiera] Univ Autonoma Metropolitana, Dept Proc & Tecnol, Unidad Cuajimalpa, Mexico City 05348, DF, Mexico.
[Cervini-Silva, Javiera] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Nieto-Camacho, Antonio] Univ Nacl Autonoma Mexico, Inst Quim, Lab Pruebas Biol, Mexico City 04510, DF, Mexico.
[Gomez-Vidales, Virginia] Univ Nacl Autonoma Mexico, Inst Quim, Lab Resonancia Paramagnet Elect, Mexico City 04510, DF, Mexico.
RP Cervini-Silva, J (reprint author), Univ Autonoma Metropolitana, Dept Proc & Tecnol, Unidad Cuajimalpa, Av Vasco de Quiroga 4871, Mexico City 05348, DF, Mexico.
EM jcervini@correo.cua.uam.mx
FU Universidad Autonoma Metropolitana Unidad Cuajimalpa
FX This work would not have been possible without the assistance of Maria
del Rocio Galindo Ortega and Jaime Ortega Lechuga (UAM-Cuajimalpa), and
Claudia Rivera Cerecedo and Hector Malagon Rivero (Bioterio, Instituto
de Fisiologia Celular, UNAM). This project was supported in part by
Universidad Autonoma Metropolitana Unidad Cuajimalpa.
NR 36
TC 3
Z9 3
U1 3
U2 16
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-7765
EI 1873-4367
J9 COLLOID SURFACE B
JI Colloid Surf. B-Biointerfaces
PD SEP 1
PY 2015
VL 133
BP 32
EP 35
DI 10.1016/j.colsurfb.2015.05.042
PG 4
WC Biophysics; Chemistry, Physical; Materials Science, Biomaterials
SC Biophysics; Chemistry; Materials Science
GA CO5AS
UT WOS:000359172600005
PM 26071933
ER
PT J
AU Carson, EW
Beasley, RR
Jones, KL
Lance, SL
Lozano-Vilano, MD
Vela-Valladares, L
Banda-Villanueva, I
Turner, TF
De la Maza-Benignos, M
AF Carson, Evan W.
Beasley, Rochelle R.
Jones, Kenneth L.
Lance, Stacey L.
de Lourdes Lozano-Vilano, Ma
Vela-Valladares, Lilia
Banda-Villanueva, Iris
Turner, Thomas F.
De la Maza-Benignos, Mauricio
TI Development of polymorphic microsatellite markers for the microendemic
pupfishes Cyprinodon julimes and C. pachycephalus (vol 5, pg 853, 2013)
SO CONSERVATION GENETICS RESOURCES
LA English
DT Correction
C1 [Carson, Evan W.; Turner, Thomas F.] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
[Carson, Evan W.; Turner, Thomas F.] Univ New Mexico, Museum Southwestern Biol, Albuquerque, NM 87131 USA.
[Beasley, Rochelle R.; Lance, Stacey L.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
[Jones, Kenneth L.] Univ Colorado, Sch Med, Dept Biochem & Mol Genet, Aurora, CO 80045 USA.
[Vela-Valladares, Lilia; Banda-Villanueva, Iris; De la Maza-Benignos, Mauricio] Pronatura Noreste AC, Monterrey 64710, NL, Mexico.
[de Lourdes Lozano-Vilano, Ma] Univ Autonoma Nuevo Leon, Fac Ciencias Biol, Lab Ictiol, San Nicolas De Los Garza 66450, NL, Mexico.
RP Carson, EW (reprint author), Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
EM evan.carson@gmail.com
RI Lance, Stacey/K-9203-2013; Beasley, Rochelle/M-1396-2015
OI Lance, Stacey/0000-0003-2686-1733; Beasley, Rochelle/0000-0001-7325-4085
NR 1
TC 0
Z9 0
U1 0
U2 9
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1877-7252
EI 1877-7260
J9 CONSERV GENET RESOUR
JI Conserv. Genet. Resour.
PD SEP
PY 2015
VL 7
IS 3
BP 773
EP 775
DI 10.1007/s12686-015-0468-9
PG 3
WC Biodiversity Conservation; Genetics & Heredity
SC Biodiversity & Conservation; Genetics & Heredity
GA CO9UM
UT WOS:000359521500041
ER
PT J
AU Creutzig, F
Ravindranath, NH
Berndes, G
Bolwig, S
Bright, R
Cherubini, F
Chum, H
Corbera, E
Delucchi, M
Faaij, A
Fargione, J
Haberl, H
Heath, G
Lucon, O
Plevin, R
Popp, A
Robledo-Abad, C
Rose, S
Smith, P
Stromman, A
Suh, S
Masera, O
AF Creutzig, Felix
Ravindranath, N. H.
Berndes, Goran
Bolwig, Simon
Bright, Ryan
Cherubini, Francesco
Chum, Helena
Corbera, Esteve
Delucchi, Mark
Faaij, Andre
Fargione, Joseph
Haberl, Helmut
Heath, Garvin
Lucon, Oswaldo
Plevin, Richard
Popp, Alexander
Robledo-Abad, Carmenza
Rose, Steven
Smith, Pete
Stromman, Anders
Suh, Sangwon
Masera, Omar
TI Bioenergy and climate change mitigation: an assessment
SO GLOBAL CHANGE BIOLOGY BIOENERGY
LA English
DT Review
DE climate change mitigation; land use; life-cycle analysis;
sustainability; technical potential; technologies
ID LAND-USE CHANGE; GREENHOUSE-GAS EMISSIONS; SUGARCANE-ETHANOL-PRODUCTION;
GENERAL EQUILIBRIUM-ANALYSIS; REGIONAL BIOMASS CHAINS; LIFE-CYCLE
ASSESSMENT; BIOFUEL CARBON DEBT; CROP-BASED BIOFUELS; SALT-AFFECTED
SOILS; OIL-PALM EXPANSION
AB Bioenergy deployment offers significant potential for climate change mitigation, but also carries considerable risks. In this review, we bring together perspectives of various communities involved in the research and regulation of bioenergy deployment in the context of climate change mitigation: Land-use and energy experts, land-use and integrated assessment modelers, human geographers, ecosystem researchers, climate scientists and two different strands of life-cycle assessment experts. We summarize technological options, outline the state-of-the-art knowledge on various climate effects, provide an update on estimates of technical resource potential and comprehensively identify sustainability effects. Cellulosic feedstocks, increased end-use efficiency, improved land carbon-stock management and residue use, and, when fully developed, BECCS appear as the most promising options, depending on development costs, implementation, learning, and risk management. Combined heat and power, efficient biomass cookstoves and small-scale power generation for rural areas can help to promote energy access and sustainable development, along with reduced emissions. We estimate the sustainable technical potential as up to 100EJ: high agreement; 100-300EJ: medium agreement; above 300EJ: low agreement. Stabilization scenarios indicate that bioenergy may supply from 10 to 245EJyr(-1) to global primary energy supply by 2050. Models indicate that, if technological and governance preconditions are met, large-scale deployment (>200EJ), together with BECCS, could help to keep global warming below 2 degrees degrees of preindustrial levels; but such high deployment of land-intensive bioenergy feedstocks could also lead to detrimental climate effects, negatively impact ecosystems, biodiversity and livelihoods. The integration of bioenergy systems into agriculture and forest landscapes can improve land and water use efficiency and help address concerns about environmental impacts. We conclude that the high variability in pathways, uncertainties in technological development and ambiguity in political decision render forecasts on deployment levels and climate effects very difficult. However, uncertainty about projections should not preclude pursuing beneficial bioenergy options.
C1 [Creutzig, Felix] Tech Univ Berlin, Mercator Res Inst Global Commons & Climate Change, Berlin, Germany.
[Ravindranath, N. H.] Indian Inst Sci, Ctr Sustainable Technol, Bangalore 560012, Karnataka, India.
[Berndes, Goran] Chalmers, Environm & Energy Dept, S-41296 Gothenburg, Sweden.
[Bolwig, Simon] Tech Univ Denmark, Dept Engn Management, Roskilde, Denmark.
[Bright, Ryan; Cherubini, Francesco; Stromman, Anders] Norwegian Univ Sci & Technol NTNU, Dept Energy & Proc Engn, Trondheim, Norway.
[Chum, Helena; Heath, Garvin] US DOE, Natl Renewable Energy Lab, Golden, CO USA.
[Corbera, Esteve] Univ Autonoma Barcelona, Inst Environm Sci & Technol, E-08193 Barcelona, Spain.
[Corbera, Esteve] Univ Autonoma Barcelona, Dept Econ & Econ Hist, E-08193 Barcelona, Spain.
[Delucchi, Mark; Plevin, Richard] Univ Calif Davis, Inst Transportat Studies, Davis, CA 95616 USA.
[Faaij, Andre] Univ Groningen, Energy & Sustainabil Res Inst Groningen, NL-9700 AB Groningen, Netherlands.
[Fargione, Joseph] Nature Conservancy, Minneapolis, MN USA.
[Haberl, Helmut] Alpen Adria Univ Klagenfurt, Inst Social Ecol Vienna, Vienna, Austria.
[Haberl, Helmut] Alpen Adria Univ Klagenfurt, Inst Social Ecol Vienna, Graz, Austria.
[Haberl, Helmut] Integrat Res Inst Transformat Human Environm Syst, Vienna, Austria.
[Haberl, Helmut] Humboldt Univ, D-10099 Berlin, Germany.
[Lucon, Oswaldo] Sao Paulo State Environm Secretariat, Sao Paulo, Brazil.
[Popp, Alexander] Potsdam Inst Climate Impact Res, Potsdam, Germany.
[Robledo-Abad, Carmenza] Swiss Fed Inst Technol Zurich, Inst Environm Decis, Human Environm Syst Grp, Zurich, Switzerland.
[Robledo-Abad, Carmenza] HELVETAS Swiss Intercooperat, Zurich, Switzerland.
[Rose, Steven] Elect Power Res Inst, Energy & Environm Anal Res Grp, Washington, DC USA.
[Smith, Pete] Univ Aberdeen, Sch Biol Sci, Inst Biol & Environm Sci, Aberdeen AB9 1FX, Scotland.
[Suh, Sangwon] Univ Calif Santa Barbara, Bren Sch Environm Sci & Management, Santa Barbara, CA 93106 USA.
[Masera, Omar] Natl Autonomous Univ Mexico CIECO UNAM, Ctr Ecosyst Res, Morelia, Michoacan, Mexico.
RP Creutzig, F (reprint author), Tech Univ Berlin, Mercator Res Inst Global Commons & Climate Change, Berlin, Germany.
EM creutzig@mcc-berlin.net
RI Smith, Pete/G-1041-2010; Haberl, Helmut/G-3679-2013; Faaij,
Andre/E-8424-2014
OI Smith, Pete/0000-0002-3784-1124; Haberl, Helmut/0000-0003-2104-5446;
FU Austrian Academy of Sciences (Global Change Programme); Austrian
Ministry of Science and Research (BMWF, proVision programme); EU-FP7
project VOLANTE; Swiss State Secretariat for Economic Affairs
FX The authors are indebted to Julia Romer for assisting with editing
several hundred references. Helmut Haberl gratefully acknowledges
funding by the Austrian Academy of Sciences (Global Change Programme),
the Austrian Ministry of Science and Research (BMWF, proVision
programme) as well as by the EU-FP7 project VOLANTE. Carmenza
Robledo-Abad received financial support from the Swiss State Secretariat
for Economic Affairs.
NR 363
TC 29
Z9 30
U1 34
U2 175
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1757-1693
EI 1757-1707
J9 GCB BIOENERGY
JI GCB Bioenergy
PD SEP
PY 2015
VL 7
IS 5
BP 916
EP 944
DI 10.1111/gcbb.12205
PG 29
WC Agronomy; Biotechnology & Applied Microbiology; Energy & Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA CO7ZU
UT WOS:000359384500002
ER
PT J
AU Trussell, HJ
Baron, D
AF Trussell, H. Joel
Baron, Dror
TI Creating Analytic Online Homework for Digital Signal Processing
SO IEEE SIGNAL PROCESSING MAGAZINE
LA English
DT Article
C1 [Trussell, H. Joel] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Trussell, H. Joel; Baron, Dror] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA.
RP Trussell, HJ (reprint author), N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA.
EM hjt@ncsu.edu; barondror@ncsu.edu
NR 2
TC 1
Z9 1
U1 2
U2 6
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1053-5888
EI 1558-0792
J9 IEEE SIGNAL PROC MAG
JI IEEE Signal Process. Mag.
PD SEP
PY 2015
VL 32
IS 5
BP 112
EP 118
DI 10.1109/MSP.2015.2438992
PG 7
WC Engineering, Electrical & Electronic
SC Engineering
GA CP0SH
UT WOS:000359585200019
ER
PT J
AU Mathis, K
Csiszar, G
Capek, J
Gubicza, J
Clausen, B
Lukas, P
Vinogradov, A
Agnew, SR
AF Mathis, K.
Csiszar, G.
Capek, J.
Gubicza, J.
Clausen, B.
Lukas, P.
Vinogradov, A.
Agnew, S. R.
TI Effect of the loading mode on the evolution of the deformation
mechanisms in randomly textured magnesium polycrystals - Comparison of
experimental and modeling results
SO INTERNATIONAL JOURNAL OF PLASTICITY
LA English
DT Article
DE Twinning; Polycrystalline material; Crystal plasticity; Nondestructive
evaluation
ID X-RAY-DIFFRACTION; SITU NEUTRON-DIFFRACTION; ACOUSTIC-EMISSION
TECHNIQUE; STRAIN-HARDENING BEHAVIOR; NON-CUBIC MATERIALS; PURE
MAGNESIUM; MG-ALLOY; HCP METALS; PLASTIC-DEFORMATION; HEXAGONAL CRYSTALS
AB A detailed analysis of the loading mode dependence of the deformation mechanisms in randomly textured cast magnesium is presented. An elasto-plastic self-consistent model (EPSC) is used to model the dislocation slip and twinning activity, respectively. The results are quantitatively compared with experimental data obtained by in-situ neutron diffraction (ND) and acoustic emission (AE). Both EPSC calculations and ND line profile analysis show an increased activity of prismatic slip with increasing strain and a loading mode dependence of the activation of the second-order pyramidal slip. The AE measurements and the modeling indicate a difference in the number of nucleated twin variants and the twinned volume in tension and compression. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Mathis, K.; Capek, J.] Charles Univ Prague, Fac Math & Phys, Dept Phys Mat, CR-12116 Prague, Czech Republic.
[Csiszar, G.; Gubicza, J.] Eotvos Lorand Univ, Fac Sci, Dept Mat Phys, H-1117 Budapest, Hungary.
[Csiszar, G.] Max Planck Inst Intelligent Syst, Dept Phase Transformat Thermodynam & Kinet, D-70569 Stuttgart, Germany.
[Clausen, B.] Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA.
[Lukas, P.] Acad Sci Czech Republic, Inst Nucl Phys, CZ-25068 Rez, Czech Republic.
[Vinogradov, A.] Togliatti State Univ, Lab Phys Strength Mat & Intelligent Diagnost Syst, Tolyatti 445667, Russia.
[Agnew, S. R.] Univ Virginia, Sch Engn & Appl Sci, Charlottesville, VA 22904 USA.
RP Mathis, K (reprint author), Charles Univ Prague, Fac Math & Phys, Dept Phys Mat, Ke Karlovu 5, CR-12116 Prague, Czech Republic.
EM mathis@met.mff.cuni.cz
RI Mathis, Kristian/C-1019-2013; Lukas, Petr/G-8051-2014; VINOGRADOV,
ALEXEI/A-7175-2009; Capek, Jan/C-5821-2015; Clausen, Bjorn/B-3618-2015
OI Mathis, Kristian/0000-0002-3214-2623; VINOGRADOV,
ALEXEI/0000-0001-9585-2801; Capek, Jan/0000-0002-2078-7889; Clausen,
Bjorn/0000-0003-3906-846X
FU Czech Science Foundation [14-36566G]; Grant Agency of Charles
University; Hungarian Scientific Research Fund, OTKA [K-109021]; Russian
Ministry of Education and Science [11.G34.31.0031, 14.583.21.0006]; US
Department of Energy's Office of Basic Energy Sciences; US DOE
[DE-AC52-06NA25396]
FX The authors are grateful for the financial support of the Czech Science
Foundation under the contract 14-36566G. JC acknowledges the support
from the Grant Agency of Charles University. JG acknowledges the support
form the Hungarian Scientific Research Fund, OTKA, Grant No. K-109021.
AV acknowledges the support from the Russian Ministry of Education and
Science through the grants-in-aid 11.G34.31.0031 and 14.583.21.0006.;
This work has benefited from the use of the Lujan Neutron Scattering
Center at LANSCE, funded by the US Department of Energy's Office of
Basic Energy Sciences. Los Alamos National Laboratory is operated by Los
Alamos National Security LLC under US DOE Contract DE-AC52-06NA25396.
NR 93
TC 11
Z9 11
U1 3
U2 38
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0749-6419
EI 1879-2154
J9 INT J PLASTICITY
JI Int. J. Plast.
PD SEP
PY 2015
VL 72
BP 127
EP 150
DI 10.1016/j.ijplas.2015.05.009
PG 24
WC Engineering, Mechanical; Materials Science, Multidisciplinary; Mechanics
SC Engineering; Materials Science; Mechanics
GA CO7HQ
UT WOS:000359330600006
ER
PT J
AU Nickels, JD
Perticaroli, S
Ehlers, G
Feygenson, M
Sokolov, AP
AF Nickels, Jonathan D.
Perticaroli, Stefania
Ehlers, Georg
Feygenson, Mikhail
Sokolov, Alexei P.
TI Rigidity of poly-L-glutamic acid scaffolds: Influence of secondary and
supramolecular structure
SO JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A
LA English
DT Article
DE neutron and light scattering; tissue engineering; boson peak; elastic
modulus; mechanobiology nanomechanical
ID TITIN IMMUNOGLOBULIN DOMAINS; PLURIPOTENT STEM-CELLS; POLY(L-GLUTAMIC
ACID); NEUTRON-SCATTERING; BOSON PEAK; BETA-SHEET; SOUND-VELOCITY;
PROTEIN; DYNAMICS; SPECTROSCOPY
AB Poly-L-glutamic acid (PGA) is a widely used biomaterial, with applications ranging from drug delivery and biological glues to food products and as a tissue engineering scaffold. A biodegradable material with flexible conjugation functional groups, tunable secondary structure, and mechanical properties, PGA has potential as a tunable matrix material in mechanobiology. Recent studies in proteins connecting dynamics, nanometer length scale rigidity, and secondary structure suggest a new point of view from which to analyze and develop this promising material. We have characterized the structure, topology, and rigidity properties of PGA prepared with different molecular weights and secondary structures through various techniques including scanning electron microscopy, FTIR, light, and neutron scattering spectroscopy. On the length scale of a few nanometers, rigidity is determined by hydrogen bonding interactions in the presence of neutral species and by electrostatic interactions when the polypeptide is negatively charged. When probed over hundreds of nanometers, the rigidity of these materials is modified by long range intermolecular interactions that are introduced by the supramolecular structure. (C) 2015 Wiley Periodicals, Inc.
C1 [Nickels, Jonathan D.; Perticaroli, Stefania; Sokolov, Alexei P.] Oak Ridge Natl Lab, Joint Inst Neutron Sci, Oak Ridge, TN 37831 USA.
[Nickels, Jonathan D.; Perticaroli, Stefania; Sokolov, Alexei P.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Perticaroli, Stefania; Sokolov, Alexei P.] Oak Ridge Natl Lab, Div Chem & Mat Sci, Oak Ridge, TN 37831 USA.
[Ehlers, Georg] Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA.
[Feygenson, Mikhail] Oak Ridge Natl Lab, Chem & Engn Mat Div, Oak Ridge, TN 37831 USA.
RP Perticaroli, S (reprint author), Oak Ridge Natl Lab, Joint Inst Neutron Sci, Oak Ridge, TN 37831 USA.
EM nickelsjd@ornl.gov; spertica@utk.edu
RI Instrument, CNCS/B-4599-2012; Ehlers, Georg/B-5412-2008; Feygenson,
Mikhail /H-9972-2014; Nickels, Jonathan/I-1913-2012
OI Ehlers, Georg/0000-0003-3513-508X; Feygenson, Mikhail
/0000-0002-0316-3265; Nickels, Jonathan/0000-0001-8351-7846
FU EPSCoR program (DOE) [DE-FG02-08ER46528]; Scientific User Facilities
Division, Office of Basic Energy Sciences, U.S. Department of Energy
(ORNL's Spallation Neutron Source); U.S. Department of Energy
[DEAC05-00OR22725]
FX Contract grant sponsor: EPSCoR program (DOE); contract grant number:
DE-FG02-08ER46528; Contract grant sponsors: Scientific User Facilities
Division, Office of Basic Energy Sciences, U.S. Department of Energy
(ORNL's Spallation Neutron Source). Oak Ridge National Laboratory
facilities managed by UT-Battelle, LLC for the U.S. Department of
Energy; contract grant number: DEAC05-00OR22725
NR 61
TC 2
Z9 2
U1 0
U2 18
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1549-3296
EI 1552-4965
J9 J BIOMED MATER RES A
JI J. Biomed. Mater. Res. Part A
PD SEP
PY 2015
VL 103
IS 9
BP 2909
EP 2918
DI 10.1002/jbm.a.35427
PG 10
WC Engineering, Biomedical; Materials Science, Biomaterials
SC Engineering; Materials Science
GA CO6HO
UT WOS:000359258000011
PM 25690698
ER
PT J
AU Weidman, PD
Sprague, MA
AF Weidman, Patrick D.
Sprague, Michael A.
TI Steady and unsteady modelling of the float height of a rotating air
hockey disk
SO JOURNAL OF FLUID MECHANICS
LA English
DT Article
DE aerodynamics
ID COAXIAL DISKS; STATIONARY; INJECTION; FRICTION; FLUID; TABLE
AB A similarity reduction of the Navier-Stokes equations for the motion of an infinite rotating disk above an air-bearing table yields a coupled pair of ordinary differential equations governed by a Reynolds number Re = Wh/v and a rotation parameter S = root 2h Omega/W, where h is the float height, W is the air levitation velocity, Omega is the disk rotation rate, and v is the kinematic viscosity of air. After deriving the small- and large-Reynolds-number behaviour of solutions, the equations are numerically integrated over a wide range of Re-S parameter space. Zero-lift boundaries are computed as well as the boundaries separating pure outward flow from counter-flow in the gap. The theory is used to model the steady float height of a finite-radius air hockey disk under the assumption that the float height is small relative to the diameter of the disk and the flow is everywhere laminar. The steady results are tested against direct numerical simulation (DNS) of the unsteady axisymmetric Navier-Stokes equations for the cases where the disk rotates at constant angular velocity but is either at a fixed height or free to move axially. While a constant shift in the gap pressure conforms closely to that found using steady theory, the interaction of the radial jet emanating from the gap with a vertical transpiration field produces vortex rings which themselves propagate around to interact with the jet. Although these structures diffuse as they propagate up and away from the gap, they induce a departure from the steady-flow assumption of atmospheric pressure at the gap exit, thus inducing small irregular axial oscillations of the floating disk.
C1 [Weidman, Patrick D.] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
[Sprague, Michael A.] Natl Renewable Energy Lab, Computat Sci Ctr, Golden, CO 80401 USA.
RP Weidman, PD (reprint author), Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
EM weidman@colorado.edu
FU US Department of Energy's Office of Energy Efficiency and Renewable
Energy and located at the National Renewable Energy Laboratory; US
Department of Energy [DE-AC36-08-GO28308]; National Renewable Energy
Laboratory
FX Discussion of the asymptotics of this problem with Professor D. Kassoy
are gratefully acknowledged. The authors are grateful to Professor K.
Julien for providing a code to iteratively determine the dimensional
values W, Omega and h for given dimensionless values of Re, S and alpha,
and for a careful reading of the manuscript. The authors
enthusiastically thank Professor P. Fischer for his assistance with the
Nek5000 spectral finite element program. A portion of the research was
performed using computational resources sponsored by the US Department
of Energy's Office of Energy Efficiency and Renewable Energy and located
at the National Renewable Energy Laboratory. The work by MAS was
supported by the US Department of Energy under contract
DE-AC36-08-GO28308 with the National Renewable Energy Laboratory. The US
Government and the publisher, by accepting the article for publication,
acknowledges that the US Government retains a non-exclusive, paid-up,
irrevocable, worldwide license to publish or reproduce the published
form of this work, or allow others to do so, for US Government purposes.
NR 22
TC 1
Z9 1
U1 2
U2 11
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0022-1120
EI 1469-7645
J9 J FLUID MECH
JI J. Fluid Mech.
PD SEP
PY 2015
VL 778
DI 10.1017/jfm.2015.374
PG 21
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA CP1PD
UT WOS:000359646800009
ER
PT J
AU Gan, J
Keiser, DD
Miller, BD
Robinson, AB
Wachs, DM
Meyer, MK
AF Gan, J.
Keiser, D. D., Jr.
Miller, B. D.
Robinson, A. B.
Wachs, D. M.
Meyer, M. K.
TI Thermal stability of fission gas bubble superlattice in irradiated
U-10Mo fuel
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID TRANSMISSION ELECTRON-MICROSCOPY; SITU HEATING TEM; DISPERSION FUEL;
KRYPTON IONS; HELIUM; MOLYBDENUM; CU; TEMPERATURE; DIFFUSION; LATTICE
AB To investigate the thermal stability of the fission gas bubble superlattice, a key microstructural feature in both irradiated U-7Mo dispersion and U-10Mo monolithic fuel plates, a focused ion beam-transmission electron microscopy (FIB-TEM) sample of irradiated U-10Mo fuel with a local fission density of 3.5 x 10(21) fissions/cm(3) was used for an in-situ heating TEM experiment. The temperature of the heating holder was raised at a ramp rate of approximately 10 degrees C/min up to similar to 700 degrees C, kept at that temperature for about 34 min and further increased to 850 degrees C with a reduced rate of 5 degrees C/min. The result shows a high thermal stability of the fission gas bubble superlattice. The implication of this observation on the fuel microstructural evolution and performance under irradiation is discussed. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Gan, J.; Keiser, D. D., Jr.; Miller, B. D.; Robinson, A. B.; Wachs, D. M.; Meyer, M. K.] Idaho Natl Lab, Nucl Fuels & Mat Div, Idaho Falls, ID 83415 USA.
RP Gan, J (reprint author), Idaho Natl Lab, Nucl Fuels & Mat Div, POB 1625, Idaho Falls, ID 83415 USA.
EM Jian.Gan@inl.gov
OI Meyer, Mitchell/0000-0002-1980-7862
FU U.S. Department of Energy, Office of Nuclear Materials Threat Reduction,
National Nuclear Security Administration [NA-212, DE-AC07-05ID14517]
FX Many thanks to Francine Rice for her assistance on the experiment and
James Madden for FIB-TEM sample preparation. This work was supported by
the U.S. Department of Energy, Office of Nuclear Materials Threat
Reduction (NA-212), National Nuclear Security Administration, under
DOE-NE Idaho Operations Office Contract DE-AC07-05ID14517. This
manuscript was authored by a contractor for the U.S. Government. The
publisher, by accepting the article for publication, acknowledges that
the U.S. Government retains a nonexclusive, paid-up, irrevocable,
worldwide license to publish or reproduce the published form of this
manuscript, or allow others to do so, for U.S. Government purposes.
NR 30
TC 0
Z9 0
U1 5
U2 23
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 1
EP 5
DI 10.1016/j.jnucmat.2015.04.023
PG 5
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700001
ER
PT J
AU Aitkaliyeva, A
Madden, JW
Miller, BD
Papesch, CA
Cole, JI
AF Aitkaliyeva, Assel
Madden, James W.
Miller, Brandon D.
Papesch, Cynthia A.
Cole, James I.
TI Characterization of phases formed between U-Pu-Mo fuels and Fe-12Cr
cladding
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID METALLIC FUEL; FAST-REACTOR; ZR; SYSTEM; ALLOYS
AB Exposure to high temperatures and irradiation can lead to interaction between fuel and cladding constituents, inter-diffusion, and formation of brittle or low-melting phases. Therefore, understanding of fuel-cladding interaction (FCCI) is critical for evaluation of fuel performance in a reactor environment. In this contribution, phases formed between U-22Pu-4Mo and U-25Pu-15Mo (in wt%) fuel alloys and Fe-12Cr cladding were characterized using scanning and transmission electron microscopy (SEM/TEM) techniques. Phases formed within FCCI layers in both alloys were identified by implementing selective area diffraction pattern analysis as Cr0.3Mo0.7 (lm-3m), Fe2U (Fd-3m), UCrFe (Fd-3m), and Fe2Pu (Fd-3m). Phases formed at the end of the FCCI layer in the U-22Pu-4Mo alloy included UCrFe (Fd-3m), Fe2U (Fd-3m), and Cr2FeO4 (Fd-3m) while in the U-25Pu-15Mo alloy the phases were consistent with,Cr0.49Fe0.51 (P4(2)/mnm), Cr0.8Fe0.2 (lm-3m), and UCrFe (Fd-3m). Published by Elsevier B.V.
C1 [Aitkaliyeva, Assel; Madden, James W.; Miller, Brandon D.; Papesch, Cynthia A.; Cole, James I.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Aitkaliyeva, A (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
OI Aitkaliyeva, Assel/0000-0003-1481-6804; Cole, James/0000-0003-1178-5846
FU U.S. Department of Energy, under DOE Idaho Operations Office, Fuel Cycle
Research and Development (FCRD) program of US Department of Energy
[DE-AC07-05ID14517]
FX This work is supported by the U.S. Department of Energy, under DOE Idaho
Operations Office Contract DE-AC07-05ID14517, as part of Fuel Cycle
Research and Development (FCRD) program of US Department of Energy.
NR 17
TC 0
Z9 0
U1 4
U2 12
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 28
EP 35
DI 10.1016/j.jnucmat.2015.04.041
PG 8
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700005
ER
PT J
AU Piro, MHA
Welland, MJ
Stan, M
AF Piro, M. H. A.
Welland, M. J.
Stan, M.
TI On the interpretation of chemical potentials computed from equilibrium
thermodynamic codes
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID COMPOUND ENERGY FORMALISM; OXYGEN DIFFUSION; DEFECTIVE FUEL;
NUCLEAR-FUEL; MODEL; SIMULATIONS; PHASES
C1 [Piro, M. H. A.] Royal Mil Coll Canada, Dept Chem & Chem Engn, Kingston, ON K7K 7B4, Canada.
[Welland, M. J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Stan, M.] Argonne Natl Lab, Energy & Global Secur Directorate, Argonne, IL 60439 USA.
RP Piro, MHA (reprint author), Royal Mil Coll Canada, Dept Chem & Chem Engn, Kingston, ON K7K 7B4, Canada.
EM markuspiro@gmail.com
OI Welland, Michael/0000-0002-7683-6213
NR 19
TC 1
Z9 1
U1 3
U2 10
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 48
EP 52
DI 10.1016/j.jnucmat.2015.04.004
PG 5
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700008
ER
PT J
AU Hunt, RM
Kramer, KJ
El-Dasher, B
AF Hunt, Ryan M.
Kramer, Kevin J.
El-Dasher, Bassem
TI Selective laser sintering of MA956 oxide dispersion strengthened steel
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
AB Oxide Dispersion Strengthened (ODS) steels' qualities of radiation damage resistance and high strength at high temperature make them promising nuclear structural materials. However, the dispersed yttria that gives ODS steel its beneficial qualities are generally compromised during joining processes, making fabrication difficult and expensive. The selective laser sintering process offers a potential path through this barrier by which net-shape parts can feasibly be built via additive manufacturing without fully melting the structure.
Rastering a 400 W laser over a 110 mu m MA956 ODS steel powder bed, we additively built parts with varying build conditions. Although density was achieved to within 97% of the wrought MA956, ultimate tensile strengths achieved only 65% of the wrought strength. Spectroscopy analysis points to the agglomeration of the yttria nano-particles as a possible explanation for the loss in strength. Further study might benefit from exploration of other parameters such as thinner powder build layers which would require less energy input to achieve sintering while minimizing time above the melting temperature. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Hunt, Ryan M.; Kramer, Kevin J.; El-Dasher, Bassem] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hunt, RM (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM hunt52@llnl.gov
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX This work performed under the auspices of the U.S. Department of Energy
by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344.
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PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 80
EP 85
DI 10.1016/j.jnucmat.2015.04.011
PG 6
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700013
ER
PT J
AU Spengler, DJ
Motta, AT
Bajaj, R
Seidensticker, JR
Cai, ZH
AF Spengler, David J.
Motta, Arthur T.
Bajaj, Ram
Seidensticker, John R.
Cai, Zhonghou
TI Characterization of Zircaloy-4 corrosion films using microbeam
synchrotron radiation
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID ZIRCONIUM ALLOYS; OXIDE LAYERS; TETRAGONAL ZIRCONIA; BREAKAWAY
OXIDATION; MICROSCOPY; INTERFACE; WATER; ZRO2
AB A study of the oxide layers formed in 360 degrees C and 316 degrees C water on Zircaloy-4 samples has been performed in an attempt to help answer fundamental questions about oxide protectiveness, growth mechanisms, and the nature of oxide growth during autoclave corrosion. Two different oxide thicknesses - 12 and 39.5 mu m - were investigated. Microbeam synchrotron radiation diffraction and fluorescence techniques with an X-ray beam size of 0.2 mu m were used to characterize oxide in cross sections to determine the oxide phase content, grain size, texture, and orientation relationships as a function of through-thickness from the oxide-metal interface.
The results confirm that the oxide is comprised primarily of monoclinic ZrO2, with tetragonal ZrO2 present in small amounts. The observed diffraction peaks are consistent with monoclinic phases having a strong fiber texture with the 200(m) plane aligned with the oxide-metal interface, and with the 011(m) plane closely aligned with the transverse-normal (T) plane.
The fraction of bulk tetragonal phase increased in the region located within one transition thickness near the oxide-metal interface. A strong periodicity was seen in oxide intensity from both the monoclinic and tetragonal phases corresponding to an oxide transition thickness of 1.8-1.9 mu m. The grain size of the tetragonal phase was determined to be smaller than the monoclinic phase, and the grain size for the monoclinic phase decreased starting at a distance of approximately one transition layer from the oxide-metal interface. The relative amounts of monoclinic peak broadening due to strain and grain size were calculated, the former being approximately constant, while the latter decreased with increasing distance from the oxide-metal interface, corresponding to an increase in grain size. These findings are compared to previously performed microbeam diffraction experiments on Zircaloy-4 and other Zr-baSed alloys. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Spengler, David J.; Motta, Arthur T.] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA.
[Bajaj, Ram; Seidensticker, John R.] Bettis Atom Power Lab, West Mifflin, PA 15122 USA.
[Cai, Zhonghou] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Spengler, DJ (reprint author), Knolls Atom Power Lab, 2401 River Rd,Mail Stop 114, Niskayuna, NY 12309 USA.
EM dspen5106@gmail.com
FU Department of Energy, Basic Sciences Office, Office of Science
[W-31-109-Eng-38]
FX Use of the APS was supported by the Department of Energy, Basic Sciences
Office, Office of Science under Contract No. W-31-109-Eng-38.
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PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 107
EP 118
DI 10.1016/j.jnucmat.2015.04.006
PG 12
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700016
ER
PT J
AU Chen, WY
Li, MM
Zhang, X
Kirk, MA
Baldo, PM
Lian, TG
AF Chen, Wei-Ying
Li, Meimei
Zhang, Xuan
Kirk, Marquis A.
Baldo, Peter M.
Lian, Tiangan
TI In situ TEM study of G-phase precipitates under heavy ion irradiation in
CF8 cast austenitic stainless steel
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID NEUTRON-IRRADIATION; ATOM-PROBE; SPINODAL DECOMPOSITION; WELD METAL;
STABILITY; CR; ALLOYS; FE; MICROSCOPY; EVOLUTION
AB Thermally-aged cast austenitic stainless steels (CASS) CF8 was irradiated with 1 MeV Kr ions at 300, 350 and 400 degrees C to 1.88 x 10(19) ions/m(2) (similar to 3 dpa) at the IVEM-Tandem Facility at the Argonne National Laboratory. Before irradiation, the distribution of G-phase precipitates in the ferrite showed spatial variations, and both their size and density were affected by the ferrite-austenite phase boundary and presence of M23C6 carbides. Under 300 degrees C irradiation, in situ TEM observation showed G-phase precipitates were relatively unchanged in the vicinity of the phase boundary M23C6 carbides, while the density of G-phase precipitates increased with increasing dose within the ferrite matrix. Coarsening of G-phase precipitates was observed in the vicinity of phase boundary M23C6 carbides at 350 degrees C and 400 degrees C. Published by Elsevier B.V.
C1 [Chen, Wei-Ying; Li, Meimei; Zhang, Xuan; Kirk, Marquis A.; Baldo, Peter M.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Chen, Wei-Ying] Univ Illinois, Urbana, IL 61801 USA.
[Lian, Tiangan] Elect Power Res Inst, Palo Alto, CA 94304 USA.
RP Chen, WY (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
FU Electric Power Research Institute; US Department of Energy Office of
Nuclear Energy by UChicago Argonne, LLC. [DE-AC02-06CH11357]
FX This work was supported by Electric Power Research Institute. The ion
irradiation was accomplished at Argonne National Laboratory at the
IVEM-Tandem Facility, a user facility funded by the US Department of
Energy Office of Nuclear Energy, operated under Contract No.
DE-AC02-06CH11357 by UChicago Argonne, LLC. Dr. Yiren Chen at ANL is
thanked for providing the materials, helpful discussion, and conducting
the paper review.
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SN 0022-3115
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J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 185
EP 192
DI 10.1016/j.jnucmat.2015.04.042
PG 8
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700025
ER
PT J
AU Ye, B
Bhattacharya, S
Mo, K
Yun, D
Mohamed, W
Pellin, M
Fortner, J
Kim, YS
Hofman, GL
Yacout, AM
Wiencek, T
Van den Berghe, S
Leenaers, A
AF Ye, B.
Bhattacharya, S.
Mo, K.
Yun, D.
Mohamed, W.
Pellin, M.
Fortner, J.
Kim, Y. S.
Hofman, G. L.
Yacout, A. M.
Wiencek, T.
Van den Berghe, S.
Leenaers, A.
TI Irradiation behavior study of U-Mo/Al dispersion fuel with high energy
Xe
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID HEAVY-ION IRRADIATION; WT-PERCENT-MO; URANIUM-MOLYBDENUM;
RAY-DIFFRACTION; REACTION LAYER; PLATES; AL; INTERDIFFUSION;
AMORPHIZATION; NEUTRON
AB Irradiation responses of U-Mo/Al dispersion fuel have been investigated by irradiation with 84 MeV Xe26+ ions. Dispersion fuels fabricated with uncoated and ZrN-coated fuel particles were irradiated to various doses at similar to 350 degrees C. The highest dose achieved was 2.9 x 10(17) ions/cm(2) (similar to 1200 displacement per atom (dpa)). Following the irradiation, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) experiments were carried out to characterize the microstructures of the irradiated samples. The post irradiation examinations (PIE) revealed that: (1) crystalline interdiffusion product (UMo)Al-x developed at locations where no coating or compromised coating layer is present; (2) intact ZrN coating layers effectively blocked the interdiffusion between U-Mo and Al: (3) SEM-observable Xe bubbles distributed along grain/cell boundaries in U-Mo; and (4) gas bubble interlinkage was observed at a dose of 2.9 x 10(17) ions/cm(2). (C) 2015 Elsevier B.V. All rights reserved.
C1 [Ye, B.; Mo, K.; Yun, D.; Mohamed, W.; Fortner, J.; Kim, Y. S.; Hofman, G. L.; Yacout, A. M.; Wiencek, T.] Argonne Natl Lab, Nucl Engn Div, Lemont, IL 60439 USA.
[Bhattacharya, S.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
[Pellin, M.] Argonne Natl Lab, Phys Sci & Engn, Lemont, IL 60439 USA.
[Van den Berghe, S.; Leenaers, A.] CEN SCK, Nucl Mat Sci Inst, B-2400 Mol, Belgium.
RP Ye, B (reprint author), Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Lemont, IL 60439 USA.
EM bye@anl.gov
RI Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
FU DOE Office of Nuclear Energy [DE-AC02-06CH11357]; U.S. Department of
Energy, Office of Global Threat Reduction [NA-21]; National Nuclear
Security Administration [DE-AC-02-06CH11357]; MRSEC program at Materials
Research Center [NSF DMR-1121262]; Nanoscale Science and Engineering
Center at International Institute for Nanotechnology [NSF EEC-0647560];
State of Illinois, through International Institute for Nanotechnology
FX The authors would like to thank KAERI for manufacturing the U-Mo powder
and Mr. E. O'hare from ANL for fabricating the plates. The authors wish
to thank Dr. Jerry Nolen, Dr. Shaofei Zhu, and Mr. Mathew Hendricks for
their assistance in the ATLAS irradiation. This manuscript also
benefited from the discussions with Dr. Jian Gan from Idaho National
Laboratory and Dr. Jeff Rest (retired from ANL). The help of Carolyn
Tomchik in editing the manuscript is gratefully acknowledged. This
research used resources of ANL's ATLAS facility, which is a DOE Office
of Science User Facility. The electron microscopy was accomplished at
Argonne National Laboratory at the IVEM-Tandem Facility, a U.S.
Department of Energy Facility funded by the DOE Office of Nuclear
Energy, operated under Contract No. DE-AC02-06CH11357 by UChicago
Argonne, LLC. This work was supported by the U.S. Department of Energy,
Office of Global Threat Reduction (NA-21), National Nuclear Security
Administration, under Contract No. DE-AC-02-06CH11357 between UChicago
Argonne, LLC and the Department of Energy. This work made use of the
EPIC facility (NUANCE Center-Northwestern University), which has
received support from the MRSEC program (NSF DMR-1121262) at the
Materials Research Center; the Nanoscale Science and Engineering Center
(NSF EEC-0647560) at the International Institute for Nanotechnology; and
the State of Illinois, through the International Institute for
Nanotechnology.
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SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 236
EP 244
DI 10.1016/j.jnucmat.2015.04.051
PG 9
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700032
ER
PT J
AU Vasudevamurthy, G
Katoh, Y
Aihara, J
Sawa, K
Snead, LL
AF Vasudevamurthy, G.
Katoh, Y.
Aihara, J.
Sawa, K.
Snead, L. L.
TI Microstructure and mechanical properties of heat-treated and neutron
irradiated TRISO-ZrC coatings
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID GAS-COOLED REACTOR; HIGH-TEMPERATURE; ZIRCONIUM CARBIDE; TEM/STEM
OBSERVATION; FUEL-PARTICLES; LAYER; CARBON; ALLOY
AB Six developmental sets of as-fabricated and heat-treated, near- and hyper-stoichiometric ZrC coated TRISO particles were subject to fast neutron (E > 0.1 MeV) fluences of 2 and 6 x 10(25) neutrons/m(2) at 800 and 1250 degrees C to assess the effects of irradiation on the coating microstructure and mechanical properties. Pre-irradiation microstructural analysis showed that the all but one of the near-stoichiometric samples fabricated by CVD had a homogenous grain structure while others including the hyper-stoichiometric sample had a distinct tiered band pattern with alternating carbon rich interlayers. The band structure in the near-stoichiometric samples became prominent following the heat treatment and the homogenous grained sample underwent severe grain growth. Post-irradiation observations indicated that neutron irradiation did not have any significant effects on the bulk microstructure of any of the samples regardless of the stoichiometry. Post-irradiation softening and reduction in modulus at the highest dose (6 dpa) were observed in all samples regardless of the composition and structure but were less significant in specimens with a banded microstructure. It was concluded that the carbon interlayers which contributed to the formation of the band structure had played a role in preserving the microstructure and the mechanical properties following both heat treatment and irradiation. Published by Elsevier B.V.
C1 [Vasudevamurthy, G.] Virginia Commonwealth Univ, High Temp Mat Lab, Richmond, VA 23284 USA.
[Katoh, Y.; Snead, L. L.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN USA.
[Aihara, J.; Sawa, K.] Japan Atom Energy Agcy, Naka, Ibaraki, Japan.
RP Vasudevamurthy, G (reprint author), Virginia Commonwealth Univ, High Temp Mat Lab, Richmond, VA 23284 USA.
EM gvasudev@vcu.edu
FU International Nuclear Energy Research Initiative [2006-001-J]; Advanced
Gas Reactor projects under aegis of US Department of Energy
FX This work was supported by the International Nuclear Energy Research
Initiative (Project Number: 2006-001-J) and the Advanced Gas Reactor
projects under the aegis of the US Department of Energy. The work
described above is a collaborative effort involving the Oak Ridge
National Laboratory and the Japan Atomic Energy Agency. The authors wish
to acknowledge the staff at ORNL-LAMDA, ORNL-IMET facilities for their
assistance at various stages of the project. The authors also gratefully
acknowledge the assistance rendered by the ORNL's SHaRE user program by
allowing the use of XL-30 and JEOL 6500F Scanning electron microscopes
for the microstructural observations.
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SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 245
EP 255
DI 10.1016/j.jnucmat.2015.04.026
PG 11
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700033
ER
PT J
AU White, JT
Nelson, AT
Dunwoody, JT
Byler, DD
Safarik, DJ
McClellan, KJ
AF White, J. T.
Nelson, A. T.
Dunwoody, J. T.
Byler, D. D.
Safarik, D. J.
McClellan, K. J.
TI Thermophysical properties of U3Si2 to 1773 K
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID THERMAL-CONDUCTIVITY; NEUTRON-IRRADIATION; AMORPHIZATION; BEHAVIOR; ION
AB Use of U3Si2 in nuclear reactors requires accurate thermophysical property data to capture heat transfer within the core. Compilation of the limited previous research efforts focused on the most critical property, thermal conductivity, reveals extensive disagreement. Assessment of this data is challenged by the fact that the critical structural and chemical details of the material used to provide historic data is either absent or confirms the presence of significant impurity phases. This study was initiated to fabricate high purity U3Si2 to quantify the coefficient of thermal expansion, heat capacity, thermal diffusivity, and thermal conductivity from room temperature to 1773 K. Datasets provided in this manuscript will facilitate more detailed fuel performance modeling to assess both current and proposed reactor designs that incorporate U3Si2. (C) 2015 Elsevier B.V. All rights reserved.
C1 [White, J. T.; Nelson, A. T.; Dunwoody, J. T.; Byler, D. D.; Safarik, D. J.; McClellan, K. J.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
RP White, JT (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
EM jtwhite@lanl.gov
FU U.S. Department of Energy, Office of Nuclear Energy Fuel Cycle Research
and Development program
FX The support of the U.S. Department of Energy, Office of Nuclear Energy
Fuel Cycle Research and Development program is gratefully acknowledged.
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J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 275
EP 280
DI 10.1016/j.jnucmat.2015.04.031
PG 6
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700037
ER
PT J
AU Xue, H
Xiao, HY
Zhu, Z
Shutthanandan, V
Snead, LL
Boatner, LA
Weber, WJ
Zhang, Y
AF Xue, H.
Xiao, H. Y.
Zhu, Z.
Shutthanandan, V.
Snead, L. L.
Boatner, L. A.
Weber, W. J.
Zhang, Y.
TI Ag out-surface diffusion in crystalline SiC with an effective SiO2
diffusion barrier
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID COATED PARTICLE FUEL; SILICON-CARBIDE; SILVER DIFFUSION; TEMPERATURE;
IRRADIATION; PERFORMANCE; SIMULATION; EXCHANGE; RELEASE; PROGRAM
AB For applications of tristructural isotropic (TRISO) fuel particles in high temperature reactors, release of radioactive Ag isotope (Ag-110m) through the SIC coating layer is a safety concern. To understand the diffusion mechanism, Ag ion implantations near the surface and in the bulk were performed by utilizing different ion energies and energy-degrader foils. High temperature annealing was carried out on the as-irradiated samples to study the possible out-surface diffusion. Before and after annealing, Rutherford backscattering spectrometry (RBS) and secondary ion mass spectrometry (SIMS) measurements were employed to obtain the elemental profiles of the implanted samples. The results suggest little migration of buried Ag in the bulk, and an out-diffusion of the implanted Ag in the near-surface region of single crystal SiC. It is also found that a SiO2 layer, which was formed during annealing, may serve as an effective barrier to reduce or prevent Ag out diffusion through the SiC coating layer. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Xue, H.; Xiao, H. Y.; Weber, W. J.; Zhang, Y.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Snead, L. L.; Boatner, L. A.; Weber, W. J.; Zhang, Y.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
[Zhu, Z.; Shutthanandan, V.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Zhang, Y (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
EM Zhangy1@ornl.gov
RI Weber, William/A-4177-2008; Boatner, Lynn/I-6428-2013; Zhu,
Zihua/K-7652-2012
OI Weber, William/0000-0002-9017-7365; Boatner, Lynn/0000-0002-0235-7594;
FU DOE Office of Nuclear Energy; University of Tennessee/Oak Ridge National
Laboratory (UTK/ORNL) Joint Institute for Advanced Materials; Department
of Energy's Office of Biological and Environmental Research
FX This work was supported in part by the DOE Office of Nuclear Energy
supported programs at UTK and ORNL, and in part by the University of
Tennessee/Oak Ridge National Laboratory (UTK/ORNL) Joint Institute for
Advanced Materials. A portion of the research was performed using EMSL,
a national scientific user facility sponsored by the Department of
Energy's Office of Biological and Environmental Research located at
Pacific Northwest National Laboratory. The theoretical calculations were
performed using the supercomputer resources at the EMSL, PNNL.
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SN 0022-3115
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J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 294
EP 298
DI 10.1016/j.jnucmat.2015.05.001
PG 5
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700039
ER
PT J
AU Demkowicz, PA
Reber, EL
Scates, DM
Scott, L
Collin, BP
AF Demkowicz, Paul A.
Reber, Edward L.
Scates, Dawn M.
Scott, Les
Collin, Blaise P.
TI First high temperature safety tests of AGR-1 TRISO fuel with the Fuel
Accident Condition Simulator (FACS) furnace
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID COATED PARTICLE FUEL; GAS-COOLED REACTORS; FISSION-PRODUCT RELEASE;
PERFORMANCE; BEHAVIOR; ELEMENTS; IRRADIATION; COMPACTS; SILVER; SYSTEM
AB Three TRISO fuel compacts from the AGR-1 irradiation experiment were subjected to safety tests at 1600 and 1800 degrees C for approximately 300 h to evaluate the fission product retention characteristics. Silver behavior was dominated by rapid release of an appreciable fraction of the compact inventory (3-34%) at the beginning of the tests, believed to be from inventory residing in the compact matrix and outer pyrocarbon (OPyC) prior to the safety test. Measurable release of silver from intact particles appears to become apparent only after similar to 60 h at 1800 degrees C. The release rate for europium and strontium was nearly constant for 300 h at 1600 degrees C (reaching maximum values of approximately 2 x 10(-3) and 8 x 10(-4) respectively), and at this temperature the release may be mostly limited to inventory in the compact matrix and OPyC prior to the safety test. The release rate for both elements increased after approximately 120 h at 1800 degrees C, possibly indicating additional measurable release through the intact particle coatings. Cesium fractional release from particles with intact coatings was <10(-6) after 300 h at 1600 degrees C or 100 h at 1800 degrees C, but release from the rare particles that experienced SiC failure during the test could be significant. However, Kr release was still very low for 300 h 1600 degrees C (<2 x 10(-6)). At 1800 degrees C, krypton release increased noticeably after SiC failure, reflecting transport through the intact outer pyrocarbon layer. Nonetheless, the krypton and cesium release fractions remained less than approximately 10(-3) after 277 h at 1800 degrees C. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Demkowicz, Paul A.; Reber, Edward L.; Scates, Dawn M.; Scott, Les; Collin, Blaise P.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Demkowicz, PA (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM paul.demkowicz@inl.gov
OI Collin, Blaise/0000-0002-1128-7399
FU US Department of Energy, Office of Nuclear Energy
FX This work was supported by funding from the US Department of Energy,
Office of Nuclear Energy. The support of staff at the Hot Fuel
Examination Facility (FACS furnace operation) and Analytical Laboratory
(condensation plate analysis) are gratefully acknowledged. Dr. Jason
Harp also provided valuable support with condensation plate analysis.
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J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 320
EP 330
DI 10.1016/j.jnucmat.2015.05.006
PG 11
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700043
ER
PT J
AU Burkes, DE
Casella, AM
Casella, AJ
Buck, EC
Pool, KN
MacFarlan, PJ
Edwards, MK
Smith, FN
AF Burkes, Douglas E.
Casella, Andrew M.
Casella, Amanda J.
Buck, Edgar C.
Pool, Karl N.
MacFarlan, Paul J.
Edwards, Matthew K.
Smith, Frances N.
TI Thermal properties of U-Mo alloys irradiated to moderate burnup and
power
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID FUEL PLATE; TEMPERATURE; HEAT; BEHAVIOR
AB A variety of physical and thermal property measurements as a function of temperature and fission density were performed on irradiated U-Mo alloy monolithic fuel samples with a Zr diffusion barrier and clad in aluminum alloy 6061. The U-Mo alloy density, thermal diffusivity, and thermal conductivity are strongly influenced by increasing burnup, mainly as the result of irradiation induced recrystallization and fission gas bubble formation and coalescence. U-Mo chemistry, specifically Mo content, and specific heat capacity was not as sensitive to increasing burnup. Measurements indicated that thermal conductivity of the U-Mo alloy decreased approximately 30% for a fission density of 3.30 x 10(21) fissions cm(-3) and approximately 45% for a fission density of 4.52 x 10(21) fissions cm(-3) from unirradiated values at 200 degrees C. An empirical thermal conductivity degradation model developed previously and summarized here agrees well with the experimental measurements. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Burkes, Douglas E.; Casella, Andrew M.; Casella, Amanda J.; Buck, Edgar C.; Pool, Karl N.; MacFarlan, Paul J.; Edwards, Matthew K.; Smith, Frances N.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Burkes, DE (reprint author), Pacific NW Natl Lab, Nucl Engn & Anal Grp, POB 999,MSIN K8-34, Richland, WA 99352 USA.
EM Douglas.Burkes@pnnl.gov
RI Buck, Edgar/N-7820-2013;
OI Buck, Edgar/0000-0001-5101-9084; Casella, Andrew/0000-0002-4053-6593
FU National Nuclear Security Administration's Materials Management and
Minimization Reactor Conversion Program [DE-AC05-76RL01830]
FX The authors wish to acknowledge Mr. Jason Schulthess, Mr. Adam Robinson,
Dr. Barry Rabin, and Mrs. Susan Case from Idaho National Laboratory for
the delivery of the irradiated fuel segments. Operations conducted in
hot cells are a large undertaking. The authors wish to acknowledge those
at Pacific Northwest National Laboratory who were involved in the
preparation of samples and performance of measurements, specifically Ms.
Nicole Green, Mr. Jake Bohlke, Mr. Jamin Trevino, Mr. Jeffrey Chenault,
Mr. Steve Halstead, Mr. Eric Hanson, Mr. Robert Orton, Mr. Stan Owsley,
Mr. Bruce Slonecker, Ms. Franciska Steen, and Mr. Randy Thornhill. The
authors would like to acknowledge Dr. Walter Luscher for his technical
review of the manuscript and helpful discussion. Finally, the authors
wish to acknowledge the sponsor, the National Nuclear Security
Administration's Materials Management and Minimization Reactor
Conversion Program, for the opportunity to conduct this work under
contract DE-AC05-76RL01830.
NR 35
TC 1
Z9 1
U1 0
U2 8
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 331
EP 341
DI 10.1016/j.jnucmat.2015.04.040
PG 11
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700044
ER
PT J
AU Xu, K
Pierce, DA
Hrma, P
Schweiger, MJ
Kruger, AA
AF Xu, Kai
Pierce, David A.
Hrma, Pavel
Schweiger, Michael J.
Kruger, Albert A.
TI Rhenium volatilization in waste glasses
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID COLD-CAP REACTIONS; IMMOBILIZATION; TECHNETIUM; VITRIFICATION; TC-99;
SOLUBILITY; CONVERSION; CHEMISTRY; BATCH
AB We investigated volatilization of rhenium (Re), sulfur, cesium, and iodine during the course of conversion of high-level waste melter feed to glass and compared the results for Re volatilization with those in low-activity waste borosilicate glasses. Whereas Re did not volatilize from high-level waste feed heated at 5 K min(-1) until 1000 degrees C, it began to volatilize from low-activity waste borosilicate glass feeds at similar to 600 degrees C, a temperature similar to 200 degrees C below the onset temperature of evaporation from pure KReO4. Below 800 degrees C, perrhenate evaporation in low-activity waste melter feeds was enhanced by vigorous foaming and generation of gases from molten salts as they reacted with the glass-forming constituents. At high temperatures, when the glass-forming phase was consolidated, perrhenates were transported to the top surface of glass melt in bubbles, typically together with sulfates and halides. Based on the results of this study (to be considered preliminary at this stage), the high-level waste glass with less foaming and salts appears a promising medium for technetium immobilization. Published by Elsevier B.V.
C1 [Xu, Kai; Pierce, David A.; Hrma, Pavel; Schweiger, Michael J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Kruger, Albert A.] US DOE, Off River Protect, Richland, WA 99352 USA.
RP Hrma, P (reprint author), 902 Battelle Blvd, Richland, WA 99352 USA.
EM pavel.hrma@pnnl.gov
RI Xu, Kai/B-8001-2010
OI Xu, Kai/0000-0003-3572-3455
FU Department of Energy's Waste Treatment and Immobilization Plant Federal
Project Office; U.S. Department of Energy [DE-AC05-76RL01830]
FX This work was supported by the Department of Energy's Waste Treatment
and Immobilization Plant Federal Project Office. The authors are
grateful to Drs. Dong-Sang Kim and Tongan Jin for their data on Re in
LAW borosilicate glasses and insightful discussion, Steven Luksic for
his data on low addition of Re (0.01 mass%) in HLW feed, and Zach
Hilliard for his help on feed expansion. Pacific Northwest National
Laboratory is operated by Battelle Memorial Institute for the U.S.
Department of Energy under contract DE-AC05-76RL01830.
NR 45
TC 5
Z9 6
U1 5
U2 14
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
EI 1873-4820
J9 J NUCL MATER
JI J. Nucl. Mater.
PD SEP
PY 2015
VL 464
BP 382
EP 388
DI 10.1016/j.jnucmat.2015.05.005
PG 7
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA CO4ZZ
UT WOS:000359170700050
ER
PT J
AU Mednikov, EG
Ivanov, SA
Dahl, LF
AF Mednikov, Evgueni G.
Ivanov, Sergei A.
Dahl, Lawrence F.
TI Stabilization of thallium(I) Pd9TlPd3 sandwich monocation with
octahedral-based [Pd-9(CO)(9)(PMe3)(6)] and [Pd-3(CO)(3)(PMe3)(3)]
entities versus unstable Pd3Tl(I)Pd-3 sandwich monocation with
[Pd-3(CO)(3)(PEt3)(3)] entities: Comparative computational implications
SO JOURNAL OF ORGANOMETALLIC CHEMISTRY
LA English
DT Article
DE Thallium/palladium cluster; Carbonyl/phosphine ligands; Sandwich;
Crystal structure
ID TO-SYNTHESIS APPROACH; CRYSTAL-STRUCTURE; GROWTH-PATTERN; CLUSTER; PD;
KERNEL; AU2PD21(CO)(20)(PET3)(10); AU2PD28(CO)(26)(PET3)(10);
TETRAHEDRON; POLYHEDRA
AB The first example of a homopalladium-stabilized sandwich of thallium (I), the {[Pd9(C0)9(PMe3)61TI [Pd-3(CO)3(PMe3)(3)}(+) monocation (1; [PF6](-) counterion), is reported with the TI(I) encapsulated within a Pd-9 cage between two unconnected neutral entities, an octahedral-based [Pd-9(CO)9(PMe3)(6)] and triangular [Pd-3(CO)3(PMe3)(3)]. This sandwich cluster was obtained (yields > 70%) from the reaction of Pds(CO)9(PMe3)(7) with TIPF6, and its solid-state structure was unambiguously determined from a 100 K CCD X-ray diffractometry study. This sandwich cluster may be described as a markedly deformed Pd(A)3Pd(B)3 octahedron connected on its triangular Pd(A)(3) face by three edge-bridged wingtip Pd(C) atoms and by a symmetrical capping TI(I) atom, to which are attached the three triangular Pd(D) atoms of the other [Pd-3(CO)(3)(PMe3)(3)] entity. In sharp contrast to its observed stability, an initially isolated Pd3TI(I) Pd3 sandwich monocation, {TI[Pd-3(CO)(3)(PEt3)(3)](2)](+) (2; [PF6lb counterion), is an intermediate, which in polar solutions spontaneously converts (85% yield) into the stable [TI2Pd(12)(CO)(9)(PE(t)3)(9)](2+) dication (3; [PF61b counterion); this instability was attributed to the destabilizing influence of its 6 s2 TI(I) electronpair. For three previously reported stable Pd TI(I) clusters containing analogous octahedral-based [Pd-9(CO)9L61 entities {namely, [Pd-9(CO)9L61[TICO(CO)3L1 (4; L = PEt3), [Pd-9(CO)(9)L-6][TI(acac)] (5; L = PPh3), and [Pd-9(CO)91-61[TI(PF6)] (6; L PPh3)}, it was then suggested (and still proposed) that the TI(I) exerts a positive stabilizing influence as a two-electron 6s2 donor. Because each of the three edgebridged wingtip [Pd(tt(2)-00)2PR31 fragments (within a Pd-9 entity) in 4, 5, 6, and 1 is now assigned (by us) as a 2e donor (instead of 4e donor), each octahedral-based TIPd9 polyhedron in these four clusters now has 80 total CVEs (instead of 86 CVEs given by the Wade-Mingos electron-count for a normal octahedralbased polyhedron). The different-sized sandwich-forming Pd(A)3 and Pd(D)3 triangles in 1 are oriented in an exact angular-eclipsed conformation (due to crystallographic molecular C-s (m) site symmetry) that differs by 11.7 from being parallel compared to 5.2 degrees in 2 along with a twist-angle deviation of 8.7 in 2 from a regular staggered conformation of the identical-sized Pd-3 sandwich triangles; idealized parallel bistriangular regular geometries would possess trigonal prismatic C-3v symmetry in 1 and trigonal antiprismatic D3d (centrosymmetric) symmetry in 2. Gradient-corrected DFT calculations performed on model 1-H and 2-H analogues (with P-attached alkyl substituents replaced by H atoms) suggest from a natural population analysis (NPA) that the observed stability of 1 vs. that of 2 is achieved via a small increased TI(I) 6s2 electron-pair donation onto the Pd cluster manifolds coupled with significantly larger back-donation from the Pd cluster entities onto the empty TI(I) 6p valence AOs.
This indicated strengthening of the TI(I) Pd interactions, which is in accordance with the increase in total Wiberg bond index on thallium from 1.70 in 2-H to 2.77 in 1-H, is likewise manifested geometrically in: (a) the mean distance of 2.81 angstrom in 1 for the six sandwich TI(I) Pd distances (to the Pd(A)s and Pd(D)s) being 0.1 A shorter than that of 2.91 A in 2; and (b) the intertri angular distance of 4.50 angstrom between the Pd(A) and Pd(D) centroids in 1 being 0.4 A less than that of 4.90 angstrom in 2 (despite the eclipsed conformation in 1 vs. staggered conformation in 2). Intensity ratios of the three types of PMe3 ligands in the 31P{H-1} NMR solution spectrum of 1 are consistent with its solid-state structure being retained in CD2Cl2 solution at room temperature. (C) 2015 Elsevier BY. All rights reserved.
C1 [Mednikov, Evgueni G.; Dahl, Lawrence F.] Univ Wisconsin, Dept Chem, Madison, WI 53706 USA.
[Ivanov, Sergei A.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Mednikov, EG (reprint author), Univ Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA.
EM mednikov@chem.wisc.edu; ivanov@lanl.gov; dahl@chem.wisc.edu
RI Ivanov, Sergei/B-5505-2011
FU University of Wisconsin-Madison; Hilldale Foundation (UW-Madison)
FX This research was supported by the University of Wisconsin-Madison and
the Hilldale Foundation (UW-Madison). We thank Dr Ilia Guzei
(UW-Chemistry) for crystallographic advice and the use of the
departmental X-ray crystallographic facilities.
NR 33
TC 1
Z9 1
U1 2
U2 12
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0022-328X
EI 1872-8561
J9 J ORGANOMET CHEM
JI J. Organomet. Chem.
PD SEP 1
PY 2015
VL 792
BP 229
EP 235
DI 10.1016/j.jorganchem.2014.06.031
PG 7
WC Chemistry, Inorganic & Nuclear; Chemistry, Organic
SC Chemistry
GA CO5LV
UT WOS:000359201500032
ER
PT J
AU Leng, X
Bozovic, I
AF Leng, Xiang
Bozovic, Ivan
TI Controlling Superconductivity in La2-xSrxCuO4+delta by Ozone and Vacuum
Annealing (vol 28, pg 71, 2015)
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Correction
C1 [Leng, Xiang; Bozovic, Ivan] Brookhaven Natl Lab, Condensed Matter & Mat Sci Dept, Upton, NY 11973 USA.
RP Bozovic, I (reprint author), Brookhaven Natl Lab, Condensed Matter & Mat Sci Dept, Upton, NY 11973 USA.
EM bozovic@bnl.gov
NR 1
TC 0
Z9 0
U1 6
U2 11
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1557-1939
EI 1557-1947
J9 J SUPERCOND NOV MAGN
JI J. Supercond. Nov. Magn
PD SEP
PY 2015
VL 28
IS 9
BP 2891
EP 2891
DI 10.1007/s10948-015-3123-5
PG 1
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA CO6CS
UT WOS:000359245400035
ER
PT J
AU Mayeur, JR
McDowell, DL
AF Mayeur, J. R.
McDowell, D. L.
TI Micropolar crystal plasticity simulation of particle strengthening
SO MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
LA English
DT Article
DE nonlocal crystal plasticity; geometrically necessary dislocations;
particle strengthening
ID FIELD DISLOCATION MECHANICS; DISCRETE DISLOCATION; COMPOSITE-MATERIAL;
NONLOCAL CONTINUUM; MODEL; PREDICTIONS; FLOW; MICROSTRUCTURES;
DEFORMATION
AB The yield and work hardening behavior of a small-scale initial-boundary value problem involving dislocation plasticity in an idealized particle strengthened system is investigated using micropolar single crystal plasticity and is compared with results for the same problem from dislocation dynamics simulations. A micropolar single crystal is a work-conjugate higher-order continuum that treats the lattice rotations as generalized displacements, and supports couple stresses that are work-conjugate to the lattice torsion-curvature, leading to a non-symmetric Cauchy stress. The resolved skewsymmetric component of the Cauchy stress tensor results in slip system level kinematic hardening during heterogeneous deformation that depends on gradients of lattice torsion-curvature. The scale-dependent mechanical response of the micropolar single crystal is dictated both by energetic (higher-order elastic constants) and dissipative (plastic torsion-curvature) intrinsic material length scales. We show that the micropolar model captures essential details of the average stress-strain behavior predicted by discrete dislocation dynamics and of the cumulative slip and dislocation density fields predicted by statistical dislocation dynamics.
C1 [Mayeur, J. R.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[McDowell, D. L.] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
RP Mayeur, JR (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM jmayeur@lanl.gov
FU ASC/PEM Materials Modeling project at Los Alamos National Laboratory
under DOE [DE-AC52-06NA25936]; Sandia National Laboratories through the
Enabling Predictive Simulation Research Institute (EPSRI); US Department
of Energy's National Nuclear Security Administration under DOE
[DE-AC04-94AL85000]; NSF [CMMI-1030103]; C N Paden, Jr Distinguished
Chair in Metals Processing
FX JRM acknowledges the support of the ASC/PEM Materials Modeling project
at Los Alamos National Laboratory, operated by Los Alamos National
Security LLC under DOE Contract DE-AC52-06NA25936. This work also
benefited from the support of Sandia National Laboratories through the
Enabling Predictive Simulation Research Institute (EPSRI) while JRM was
working towards his PhD at Georgia Tech. Sandia is a multiprogram
laboratory operated by the Sandia Corporation, a Lockheed Martin
Company, for the US Department of Energy's National Nuclear Security
Administration under DOE contract DE-AC04-94AL85000. DLM would like to
acknowledge support of the C N Paden, Jr Distinguished Chair in Metals
Processing, as well as NSF grant CMMI-1030103 on Methods for Atomistic
Input into Initial Yield and Plastic Flow Criteria for Nanocrystalline
Metals.
NR 33
TC 0
Z9 0
U1 3
U2 9
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0965-0393
EI 1361-651X
J9 MODEL SIMUL MATER SC
JI Model. Simul. Mater. Sci. Eng.
PD SEP
PY 2015
VL 23
IS 6
AR 065007
DI 10.1088/0965-0393/23/6/065007
PG 15
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CO7EM
UT WOS:000359322300007
ER
PT J
AU Dubini, A
Antal, TK
AF Dubini, Alexandra
Antal, Taras K.
TI Generation of high-value products by photosynthetic microorganisms: from
sunlight to biofuels
SO PHOTOSYNTHESIS RESEARCH
LA English
DT Editorial Material
C1 [Dubini, Alexandra] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Antal, Taras K.] Moscow MV Lomonosov State Univ, Fac Biol, Moscow 119992, Russia.
RP Dubini, A (reprint author), Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA.
EM alexandra.dubini@nrel.gov; taras_an@mail.ru
RI dubini, alexandra /A-7252-2016
OI dubini, alexandra /0000-0001-8825-3915
NR 0
TC 0
Z9 0
U1 1
U2 15
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0166-8595
EI 1573-5079
J9 PHOTOSYNTH RES
JI Photosynth. Res.
PD SEP
PY 2015
VL 125
IS 3
SI SI
BP 355
EP 356
DI 10.1007/s11120-015-0182-1
PG 2
WC Plant Sciences
SC Plant Sciences
GA CP2TO
UT WOS:000359730300001
PM 26264681
ER
PT J
AU Ghirardi, ML
AF Ghirardi, Maria L.
TI Implementation of photobiological H-2 production: the O-2 sensitivity of
hydrogenases
SO PHOTOSYNTHESIS RESEARCH
LA English
DT Review
DE Hydrogenases; Photosynthetic microbes; O-2 sensitivity
ID DEPRIVED CHLAMYDOMONAS-REINHARDTII; SP PCC 6803; DIAPHORASE SUBUNIT
HOXU; D1 PROTEIN MUTANT; GREEN-ALGA; ACTIVE-SITE; BIDIRECTIONAL
HYDROGENASE; PHOTOSYNTHETIC ORGANISMS; CLOSTRIDIUM-PASTEURIANUM; FEFE
HYDROGENASE
AB The search for the ultimate carbon-free fuel has intensified in recent years, with a major focus on photoproduction of H-2. Biological sources of H-2 include oxygenic photosynthetic green algae and cyanobacteria, both of which contain hydrogenase enzymes. Although algal and cyanobacterial hydrogenases perform the same enzymatic reaction through metallo-clusters, their hydrogenases have evolved separately, are expressed differently (transcription of algal hydrogenases is anaerobically induced, while bacterial hydrogenases are constitutively expressed), and display different sensitivity to O-2 inactivation. Among various physiological factors, the sensitivity of hydrogenases to O-2 has been one of the major factors preventing implementation of biological systems for commercial production of renewable H-2. This review addresses recent strategies aimed at engineering increased O-2 tolerance into hydrogenases (as of now mainly unsuccessful), as well as towards the development of methods to bypass the O-2 sensitivity of hydrogenases (successful but still yielding low solar conversion efficiencies). The author concludes with a description of current approaches from various laboratories to incorporate multiple genetic traits into either algae or cyanobacteria to jointly address limiting factors other than the hydrogenase O-2 sensitivity and achieve more sustained H-2 photoproduction activity.
C1 Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Ghirardi, ML (reprint author), Natl Renewable Energy Lab, 15013 Denver West Pkway, Golden, CO 80401 USA.
EM maria.ghirardi@nrel.gov
OI Ghirardi, Maria L./0000-0002-0885-6044
FU U.S. DOE's Office of Science BER; U.S. DOE's Office of Science BES;
EERE's Fuel Cell Technologies Office
FX The author would like to acknowledge support from the U.S. DOE's Office
of Science BER and BES, and from the EERE's Fuel Cell Technologies
Office. The U.S. Government retains and the publisher, by accepting the
article for publication, acknowledges that the U.S. Government retains a
nonexclusive, paid up, irrevocable, worldwide license to publish or
reproduce the published form of this work, or allow others to do so, for
U.S. Government purposes.
NR 121
TC 9
Z9 9
U1 7
U2 56
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0166-8595
EI 1573-5079
J9 PHOTOSYNTH RES
JI Photosynth. Res.
PD SEP
PY 2015
VL 125
IS 3
SI SI
BP 383
EP 393
DI 10.1007/s11120-015-0158-1
PG 11
WC Plant Sciences
SC Plant Sciences
GA CP2TO
UT WOS:000359730300003
PM 26022106
ER
PT J
AU Peng, B
Li, H
Peng, XX
AF Peng, Bo
Li, Hui
Peng, Xuan-Xian
TI Functional metabolomics: from biomarker discovery to metabolome
reprogramming
SO PROTEIN & CELL
LA English
DT Review
DE metabolomics; discovery metabolomics; reprogramming metabolomics;
metabolic strategy; metabolic regulation
ID GENOME-WIDE ASSOCIATION; ANTIBIOTIC-RESISTANCE; STREPTOCOCCUS-INIAE;
DRUG DISCOVERY; GUT MICROBIOME; SURVIVAL; TILAPIAS; REVEALS; COMPLEX;
STRESS
AB Metabolomics is emerging as a powerful tool for studying metabolic processes, identifying crucial biomarkers responsible for metabolic characteristics and revealing metabolic mechanisms, which construct the content of discovery metabolomics. The crucial biomarkers can be used to reprogram a metabolome, leading to an aimed metabolic strategy to cope with alteration of internal and external environments, naming reprogramming metabolomics here. The striking feature on the similarity of the basic metabolic pathways and components among vastly different species makes the reprogramming metabolomics possible when the engineered metabolites play biological roles in cellular activity as a substrate of enzymes and a regulator to other molecules including proteins. The reprogramming metabolomics approach can be used to clarify metabolic mechanisms of responding to changed internal and external environmental factors and to establish a framework to develop targeted tools for dealing with the changes such as controlling and/or preventing infection with pathogens and enhancing host immunity against pathogens. This review introduces the current state and trends of discovery metabolomics and reprogramming metabolomics and highlights the importance of reprogramming metabolomics.
C1 [Li, Hui; Peng, Xuan-Xian] Sun Yat Sen Univ, Sch Life Sci, MOE Key Lab Aquat Food Safety, Ctr Prote & Metabol,State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China.
[Peng, Bo] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Peng, XX (reprint author), Sun Yat Sen Univ, Sch Life Sci, MOE Key Lab Aquat Food Safety, Ctr Prote & Metabol,State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China.
EM pxuanx@sysu.edu.cn
FU Science and Technology Program of Guangzhou [201504010025]; National
Natural Science Foundation of China [41276145, 31272702]; National Basic
Research Program (973 Program) [2012CB114406]; Doctoral Fund of Ministry
of Education of China [20120171110008]
FX This work was sponsored by grants from Science and Technology Program of
Guangzhou (201504010025), the National Natural Science Foundation of
China (Grant Nos. 41276145 and 31272702), the National Basic Research
Program (973 Program) (No. 2012CB114406), Doctoral Fund of Ministry of
Education of China (20120171110008).
NR 60
TC 12
Z9 13
U1 5
U2 38
PU HIGHER EDUCATION PRESS
PI BEIJING
PA SHATANHOU ST 55, BEIJING 100009, PEOPLES R CHINA
SN 1674-800X
EI 1674-8018
J9 PROTEIN CELL
JI Protein Cell
PD SEP
PY 2015
VL 6
IS 9
BP 628
EP 637
DI 10.1007/s13238-015-0185-x
PG 10
WC Cell Biology
SC Cell Biology
GA CP2XL
UT WOS:000359741000002
PM 26135925
ER
PT J
AU Wang, CY
Lin, CK
Zhao, B
Zhang, LH
Kumbhar, A
Fan, GY
Sun, K
Zhang, J
Chen, S
Fang, JY
AF Wang, Chenyu
Lin, Cuikun
Zhao, Bo
Zhang, Lihua
Kumbhar, Amar
Fan, Guangyin
Sun, Kai
Zhang, Jun
Chen, Shuang
Fang, Jiye
TI High-Indexed Pt3Fe Nanocatalysts and Their Enhanced Catalytic
Performance in Dual Organic Reactions
SO CHEMNANOMAT
LA English
DT Article
ID OXYGEN REDUCTION ACTIVITY; METHANOL OXIDATION ACTIVITY; NOBLE-METAL
NANOCRYSTALS; ELECTROCATALYTIC ACTIVITY; BIMETALLIC NANOCRYSTALS; GOLD
NANOPARTICLES; ALLOY NANOCRYSTALS; CONCAVE NANOCUBES; SHAPE-CONTROL;
PT-CU
AB The synthesis of noble metal nanocrystals terminated with high-index facets has received increasing attention due to the remarkable improvement in their catalytic performance. Introducing a transition metal to noble metals (bimetallic nanocrystals) could result in a reduced cost and potentially improve properties. Keeping in mind both of these advantages, we have developed a new synthetic approach to fabricate size-controlled Pt3Fe concave nanocubes using a high-temperature organic solution system containing oleylamine and oleic acid. It further demonstrates that the particle size and concavity could be controlled by a number of parameters such as the ratio of oleylamine and oleic acid, the physicochemical properties of the metal carbonyl, the metal valence in the precursor, and the ratio of metal precursors. Catalytic tests show that the high-index-surface-terminated approximate to 12 nm Pt3Fe concave nanocubes exhibit superior performance in both the hydrogenation of styrene and reduction of 4-nitrophenol in comparison with their counterparts.
C1 [Wang, Chenyu; Fan, Guangyin; Fang, Jiye] SUNY Binghamton, Dept Chem, Binghamton, NY 13902 USA.
[Lin, Cuikun; Zhao, Bo] Univ South Dakota, Dept Chem, Vermillion, SD 57069 USA.
[Zhang, Lihua] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Kumbhar, Amar] Univ N Carolina, Chapel Hill Analyt & Nanofabricat Lab, Chapel Hill, NC 27599 USA.
[Fan, Guangyin] China West Normal Univ, Coll Chem & Chem Ind, Key Lab Sichuan Prov, Chem Synth & Pollut Control, Nanchong 637009, Sichuan, Peoples R China.
[Sun, Kai] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA.
[Zhang, Jun; Chen, Shuang] China Univ Petr, Coll Chem Engn, Qingdao 266580, Shandong, Peoples R China.
RP Fang, JY (reprint author), SUNY Binghamton, Dept Chem, Binghamton, NY 13902 USA.
EM jfang@binghamton.edu
FU NSF [CHE-0840507]; US NSF [DMR-0315633]; US DOE [DE-SC0012704];
Fundamental Research Funds for the Central Universities [14CX05037A];
DOE, Analytical and Diagnostics Laboratory (ADL) at Binghamton
University
FX The authors thank Dr. Jurgen Schulte for his assistance with NMR
measurements. Dr. P. Stanley May and Dr. Mary T. Berry at University of
South Dakota are gratefully acknowledged for their help in using the TEM
facility that was obtained through an NSF grant (CHE-0840507). The HRTEM
and STEM/HAADF-STEM-EDS studies were carried out at the Electron
Microbeam Analysis Laboratory (University of Michigan) and the Center
for Functional Nanomaterials (Brookhaven National Laboratory) which are
supported by the US NSF (grant no. DMR-0315633) and the US DOE (contract
no. DE-SC0012704), respectively. J.Z. acknowledges the support from the
Fundamental Research Funds for the Central Universities (14CX05037A).
This work was partially supported by DOE, Analytical and Diagnostics
Laboratory (ADL) at Binghamton University.
NR 52
TC 0
Z9 0
U1 8
U2 8
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA POSTFACH 101161, 69451 WEINHEIM, GERMANY
EI 2199-692X
J9 CHEMNANOMAT
JI ChemNanoMat
PD SEP
PY 2015
VL 1
IS 5
BP 331
EP 337
DI 10.1002/cnma.201500048
PG 7
WC Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials
Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA DW6NI
UT WOS:000383767500004
ER
PT J
AU Borole, AP
AF Borole, Abhijeet P.
TI Microbial Fuel Cells and Microbial Electrolyzers
SO Electrochemical Society Interface
LA English
DT Article
ID BIOELECTROCHEMICAL SYSTEMS; NANOWIRES; BIOFILMS; RECOVERY;
ELECTROHYDROGENESIS; CONDUCTIVITY; FERMENTATION; IMPEDANCE; STRUVITE
C1 [Borole, Abhijeet P.] Univ Tennessee, Chem & Biomol Engn Dept, Energy Sci & Engn Program, Bredesen Ctr Interdisciplinary Res & Educ, Knoxville, TN USA.
RP Borole, AP (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM borolea@ornl.gov
OI Borole, Abhijeet/0000-0001-8423-811X
NR 33
TC 0
Z9 0
U1 1
U2 3
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1064-8208
EI 1944-8783
J9 ELECTROCHEM SOC INTE
JI Electrochem. Soc. Interface
PD FAL
PY 2015
VL 24
IS 3
BP 55
EP 59
DI 10.1149/2.F02153if
PG 5
WC Electrochemistry
SC Electrochemistry
GA DS3ZJ
UT WOS:000380720900004
ER
PT J
AU Pawelek, KA
Salmeron, C
Del Valle, S
AF Pawelek, Kasia A.
Salmeron, Cristian
Del Valle, Sara
TI Connecting within and between-hosts dynamics in the influenza
infection-staged epidemiological models with behavior change
SO JOURNAL OF COUPLED SYSTEMS AND MULTISCALE DYNAMICS
LA English
DT Article
DE Mathematical Model; Epidemiology; Influenza; Media; Behavior Change;
Symptoms
ID A VIRUS-INFECTION; ADAPTED RECOMBINANT VIRUSES; PANDEMIC INFLUENZA;
POPULATION-DYNAMICS; COST-EFFECTIVENESS; UNITED-STATES; HONG-KONG;
TRANSMISSION; RESPONSES; DISEASE
AB Influenza viruses are a major public health problem worldwide. Although influenza has been extensively researched, there are still many aspects that are not fully understood such as the effects of within and between-hosts dynamics and their impact on behavior change. Here, we develop mathematical models with multiple infection stages and estimate parameters based on within-host data to investigate the impact of behavior change on influenza dynamics. We divide the infected population into three and four groups based on the age of the infection, which corresponds to viral load shedding. We consider within-host data on viral shedding to estimate the length and force of infection of the different infectivity stages. Our results show that behavior changes, due to exogenous events (e.g., media coverage) and disease symptoms, are effective in delaying and lowering an epidemic peak. We show that the dynamics of viral shedding and symptoms, during the infection, are key features when considering epidemic prevention strategies. This study improves our understanding of the spread of influenza virus infection in the population and provides information about the impact of emergent behavior and its connection to the within and between-hosts dynamics.
C1 [Pawelek, Kasia A.; Salmeron, Cristian] Univ South Carolina Beaufort, Dept Math & Computat Sci, Bluffton, SC 29909 USA.
[Del Valle, Sara] Los Alamos Natl Lab, Def Syst & Anal Div, Los Alamos, NM 87545 USA.
RP Pawelek, KA (reprint author), Univ South Carolina Beaufort, Dept Math & Computat Sci, Bluffton, SC 29909 USA.
EM kpawelek@uscb.edu
NR 63
TC 1
Z9 1
U1 1
U2 1
PU AMER SCIENTIFIC PUBLISHERS
PI VALENCIA
PA 26650 THE OLD RD, STE 208, VALENCIA, CA 91381-0751 USA
SN 2330-152X
EI 2330-1538
J9 J COUPLED SYST MULTI
JI J. Coupled Syst. Multiscale Dyn.
PD SEP
PY 2015
VL 3
IS 3
SI SI
BP 233
EP 243
DI 10.1166/jcsmd.2015.1082
PG 11
WC Mechanics
SC Mechanics
GA DW1KP
UT WOS:000383402400007
ER
PT J
AU Klein-Marcuschamer, D
Blanch, HW
AF Klein-Marcuschamer, Daniel
Blanch, Harvey W.
TI Renewable fuels from biomass: Technical hurdles and economic assessment
of biological routes
SO AICHE JOURNAL
LA English
DT Article
DE biofuels; lignocellulose; techno-economic model; biomass pretreatment
ID IONIC LIQUID PRETREATMENT; HIGH-SOLIDS LOADINGS; TECHNOECONOMIC
ANALYSIS; CORN STOVER; SACCHAROMYCES-CEREVISIAE; DEGRADATION-PRODUCTS;
ENZYMATIC-HYDROLYSIS; BIOFUEL PRODUCTION; LIGNOCELLULOSIC BIOMASS;
TRANSPORTATION FUELS
AB Lignocellulosic biomass is an abundant, renewable source of polysaccharides that could be available in amounts sufficient to provide a source of sugars for carbon neutral biofuel production. We review the background to biofuels production in the US from corn sugars and subsequent R and D efforts to saccharify plant biomass to provide an alternative sugar source. Research efforts and programs have generally not addressed the key technical hurdles in providing a commodity-scale supply of biomass and in developing biological routes to saccharify it at high yields. Techno-economic analyses of proposed processes highlight the importance of biomass cost, the role of pretreatment on both inhibitor generation, and the contribution of enzyme costs to saccharification. Alternatives, such as the production of fatty acids by microalgae, have comparable technical hurdles. Although there is a regulatory framework for biofuels, which is discussed, a credible biological process for large-scale, cost-effective production of lignocellulosic biofuels remains elusive. (c) 2015 American Institute of Chemical Engineers AIChE J, 61: 2689-2701, 2015
C1 [Klein-Marcuschamer, Daniel] Univ Queensland, Dow Ctr Sustainable Engn Innovat, Brisbane, Qld, Australia.
[Klein-Marcuschamer, Daniel; Blanch, Harvey W.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst JBEI, Berkeley, CA 94720 USA.
[Blanch, Harvey W.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
RP Blanch, HW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst JBEI, Berkeley, CA 94720 USA.
EM blanch@berkeley.edu
FU Dow Centre for Sustainable Engineering Innovation; Office of Science,
Office of Biological, and Environmental Research of the U.S. Department
of Energy [DE-AC02-05CH11231]
FX The authors would like to thank Prof. Eric McFarland for reviewing and
commenting on the manuscript. Support and funding from the Dow Centre
for Sustainable Engineering Innovation to D.K.M. is acknowledged. The
work conducted by the Joint BioEnergy Institute was supported by the
Office of Science, Office of Biological, and Environmental Research of
the U.S. Department of Energy under contract no. DE-AC02-05CH11231.
NR 122
TC 12
Z9 12
U1 9
U2 63
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0001-1541
EI 1547-5905
J9 AICHE J
JI AICHE J.
PD SEP
PY 2015
VL 61
IS 9
BP 2689
EP 2701
DI 10.1002/aic.14755
PG 13
WC Engineering, Chemical
SC Engineering
GA CO7AY
UT WOS:000359311100003
ER
PT J
AU Song, MK
Zhang, YG
Cairns, EJ
AF Song, Min-Kyu
Zhang, Yuegang
Cairns, Elton J.
TI Effects of cell construction parameters on the performance of
lithium/sulfur cells
SO AICHE JOURNAL
LA English
DT Article
DE sulfur; graphene oxide; nanocomposites; electrolyte; binder; lithium
batteries
ID POSITIVE-ELECTRODE MATERIALS; SULFUR BATTERIES; GRAPHENE OXIDE; CYCLE
LIFE; CATHODE; ION; CHALLENGES; BINDER; NANOTUBES
AB Current lithium-ion batteries are predicted to be unable to provide the specific energy required to meet the ever-increasing demands of rapidly emerging technologies. Due to a high theoretical specific capacity of 1675 mAh/g, sulfur has gained much attention as a promising positive electrode material for high specific energy rechargeable batteries. Although the lithium/sulfur cell has been studied for many years and continues to receive much attention today as an alternative power source for zero-emission vehicles and advanced electronic devices, the realization of this novel cell's promise as a commercial product has yet to be successful. The major problems with sulfur electrodes involve: (1) the dissolution of sulfur (as polysulfides) and the resulting diffusion of dissolved polysulfides and (2) the deposition of insulating products (including Li2S) on both the negative and the positive electrodes. These solid deposits can physically block the electrode reaction sites, thus passivating the electrode surfaces. Another important problem is the large volume change that occurs with the conversion of S to Li2S. It is important to understand that the performance of Li/S cells is hampered by linked chemical and mechanical degradations and both degradation mechanisms must be correctly alleviated in order to markedly improve current-technology Li/S cells. In this study, improved cycling performance via the reactive functional groups on graphene oxide to successfully immobilize sulfur and lithium polysulfides during operation has been demonstrated. The use of a new electrolyte and binder leads to improved cell performance in terms of high-rate capability (up to at least 2 C) and good reversibility (S Li2S), yielding at least 800 cycles have also been demonstrated. (c) 2015 American Institute of Chemical Engineers AIChE J, 61: 2749-2756, 2015
C1 [Song, Min-Kyu; Zhang, Yuegang] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA.
[Song, Min-Kyu; Cairns, Elton J.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Cairns, Elton J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Cairns, EJ (reprint author), Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
EM ejcairns@lbl.gov
RI Foundry, Molecular/G-9968-2014; Cairns, Elton/E-8873-2012
OI Cairns, Elton/0000-0002-1179-7591
FU University of California, Office of The President [12PC247581]; Lawrence
Berkeley National Laboratory; Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the University of California, Office of The
President, UC Proof of Concept award No. 12PC247581, and an Innovation
Grant, from Lawrence Berkeley National Laboratory. Work at the Molecular
Foundry was supported by the Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231. The authors thank Tev Kuykendall for his support of
the work conducted at the Molecular Foundry, LBNL.
NR 41
TC 2
Z9 2
U1 11
U2 65
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0001-1541
EI 1547-5905
J9 AICHE J
JI AICHE J.
PD SEP
PY 2015
VL 61
IS 9
BP 2749
EP 2756
DI 10.1002/aic.14947
PG 8
WC Engineering, Chemical
SC Engineering
GA CO7AY
UT WOS:000359311100008
ER
PT J
AU Greer, DR
Ozcam, AE
Balsara, NP
AF Greer, Douglas R.
Ozcam, A. Evren
Balsara, Nitash P.
TI Pervaporation of organic compounds from aqueous mixtures using
polydimethylsiloxane-containing block copolymer membranes
SO AICHE JOURNAL
LA English
DT Article
DE membrane materials; membrane separations; polymer properties; separation
techniques
ID WATER; FERMENTATION; BIOMASS; TECHNOLOGIES; SEPARATION; BIOFUELS
AB Pervaporation of aqueous mixtures of ethanol, acetone, butanol, isobutanol, and furfural through polystyrene-b-polydimethylsiloxane-b-polystyrene (SDS) triblock copolymer membranes is reported. These mixtures are important for biofuel production from lignocellulosic feedstocks. Feedstock depolymerization results in the formation of furfural which must be removed before fermentation. Ethanol, butanol, isobutanol, and acetone are important fermentation biofuels. The membrane selectivity of SDS is about unity over a wide range of concentrations of aqueous ethanol mixtures, similar to the membrane selectivity of crosslinked polydimethylsiloxane (PDMS). The permeabilities of butanol, isobutanol, and furfural are larger than those of ethanol and acetone. The volatile organic compound permeability through SDS is similar to or higher than that through PDMS across a broad range of temperatures and feed concentrations is found. More selective and permeable membranes are needed to lower the cost of biofuel purification. The SDS membranes developed are but one step toward improved membranes. (c) 2015 American Institute of Chemical Engineers AIChE J, 61: 2789-2794, 2015
C1 [Greer, Douglas R.; Ozcam, A. Evren; Balsara, Nitash P.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Balsara, NP (reprint author), Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
EM nbalsara@berkeley.edu
FU Energy Biosciences Institute
FX This work was funded by the Energy Biosciences Institute.
NR 31
TC 4
Z9 4
U1 6
U2 43
PU WILEY
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0001-1541
EI 1547-5905
J9 AICHE J
JI AICHE J.
PD SEP
PY 2015
VL 61
IS 9
BP 2789
EP 2794
DI 10.1002/aic.14876
PG 6
WC Engineering, Chemical
SC Engineering
GA CO7AY
UT WOS:000359311100012
ER
PT J
AU Myint, PC
Firoozabadi, A
AF Myint, Philip C.
Firoozabadi, Abbas
TI Thermodynamics of Flat Thin Liquid Films
SO AICHE JOURNAL
LA English
DT Article
DE thermodynamics/classical; surface chemistry/physics; films; interfacial
processes
ID IMPROVED OIL-RECOVERY; CONTACT-ANGLE; EQUILIBRIUM-CONFIGURATIONS;
DISJOINING PRESSURE; SOLID-SURFACES; LINE TENSION; THICKNESS; FORCES;
SHAPE; INTERFACES
AB The two main themes of this study aim to resolve conflicting results in the literature regarding the thermodynamics of flat (uniform thickness) thin liquid films. One of the themes concerns the augmented Young equation, which is a condition for mechanical equilibrium. Two different expressions for the augmented Young equation have appeared in the literature. It is shown that under certain assumptions, the two expressions can be made equivalent. The second main theme addresses thermodynamic functions describing systems with non-pressure-volume (non-PV) work. In thin liquid films, the non-PV work is the film tension work. Two different expressions that relate the film's Gibbs energy to its internal energy have appeared in the literature. This ambiguity is resolved by showing that only one of the Gibbs energies can be used to determine the equilibrium state via energy minimization. The analysis can be readily generalized to systems with other types of non-PV work. (c) 2015 American Institute of Chemical Engineers AIChE J, 61: 3104-3115, 2015
C1 [Myint, Philip C.; Firoozabadi, Abbas] Yale Univ, Dept Chem & Environm Engn, New Haven, CT 06520 USA.
[Myint, Philip C.] Lawrence Livermore Natl Lab, Design Phys Div, Livermore, CA USA.
[Firoozabadi, Abbas] Reservoir Engn Res Inst, Palo Alto, CA USA.
RP Myint, PC (reprint author), Yale Univ, Dept Chem & Environm Engn, New Haven, CT 06520 USA.
EM philip.myint@yale.edu
OI Myint, Philip/0000-0003-4383-5350
FU DE-AC52-07NA27344; LLNL through Livermore Graduate Scholar Program
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory (LLNL) under Contract
DE-AC52-07NA27344. The first author has been funded by LLNL through its
Livermore Graduate Scholar Program (formerly called the Lawrence
Scholarship Program). Financial support for this work was also provided
by the members of the Reservoir Engineering Research Institute.
NR 55
TC 0
Z9 0
U1 5
U2 16
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0001-1541
EI 1547-5905
J9 AICHE J
JI AICHE J.
PD SEP
PY 2015
VL 61
IS 9
BP 3104
EP 3115
DI 10.1002/aic.14963
PG 12
WC Engineering, Chemical
SC Engineering
GA CO7AY
UT WOS:000359311100041
ER
PT J
AU Sharma, S
Bowman, L
Schroeder, K
Hammack, R
AF Sharma, Shikha
Bowman, Lindsey
Schroeder, Karl
Hammack, Richard
TI Assessing changes in gas migration pathways at a hydraulic fracturing
site: Example from Greene County, Pennsylvania, USA
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID NATURAL GASES; ISOTOPIC REVERSALS; BIOGENIC METHANE; CARBON; HYDROGEN;
HYDROCARBONS; ENVIRONMENTS; ORIGIN; BASIN; SHALE
AB Natural gas produced from a zone of thin Upper Devonian/Lower Mississippian sands approximately 1200 m above the hydraulically fractured Middle Devonian Marcellus Shale interval was monitored for evidence of gas migration. Gas samples were collected from seven vertical Upper Devonian/Lower Mississippian gas wells and two vertical Marcellus Shale gas wells 2 months prior to-, during-, and 14 months after the hydraulic fracturing of six horizontal Marcellus Shale gas wells at the study site. The isotopic and molecular compositions of gas from the two producing zones were distinct and remained so during the entire monitoring period. Over the time of monitoring, the molecular/isotopic signatures of gas from the Upper Devonian/Lower Mississippian field did not show any evidence of contamination from deeper Marcellus Shale gas that might have migrated upward from the hydraulically fractured interval. Our results indicate no hydrologic connectivity between the fractured interval and formations 1200 m above, which means that contamination of even shallower drinking water aquifers (similar to 2200 m above fractured interval) is unlikely at this study site. While localized consideration for geology and site development practices are extremely important, the monitoring methods used in this study are applicable when trying to understand and quantify natural gas mixing and migration trends. (C) 2014 Elsevier Ltd. All rights reserved.
C1 [Sharma, Shikha; Bowman, Lindsey] W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA.
[Schroeder, Karl; Hammack, Richard] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Sharma, S (reprint author), W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA.
EM shikha.sharma@mail.wvu.edu
FU RES [DE-FE0004000]; National Science Foundation [EAR-1205596]
FX As part of the National Energy Technology Laboratory's Regional
University Alliance (NETL-RUA), a collaborative initiative of the NETL,
this technical effort was performed under the RES contract DE-FE0004000.
This research was also supported by the National Science Foundation's
early career instrumentation Grant (EAR-1205596) to S. Sharma. A.
Warder, A. Sack, B. Meier, S. Henry, R. Chen, S. Snyder and T. Wilson
from the WVU Stable Isotope Laboratory are acknowledged for providing
help in the field and with method development. Two anonymous reviewers
and Editor Stewart are thanked for helpful comments and suggestions.
NR 23
TC 0
Z9 0
U1 3
U2 27
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD SEP
PY 2015
VL 60
BP 51
EP 58
DI 10.1016/j.apgeochem.2014.07.018
PG 8
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CO5BG
UT WOS:000359174000006
ER
PT J
AU Chen, RQ
Sharma, S
Bank, T
Soeder, D
Eastman, H
AF Chen, Ruiqian
Sharma, Shikha
Bank, Tracy
Soeder, Daniel
Eastman, Harvey
TI Comparison of isotopic and geochemical characteristics of sediments from
a gas- and liquids-prone wells in Marcellus Shale from Appalachian
Basin, West Virginia
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID SENSITIVE TRACE-METALS; OCEANIC ANOXIC EVENT; ORGANIC-MATTER;
CARBON-ISOTOPE; NITROGEN ISOTOPES; MARINE NITROGEN; BLACK SHALES;
DEPOSITION; INDICATORS; PRESERVATION
AB The Middle Devonian age Marcellus Shale contains one of the largest shale gas plays in North America. Hydrocarbon production in the eastern part of the play is mostly "dry gas," consisting of essentially pure methane. Production of natural gas liquids (condensate) increases toward the west, which is the area currently, being targeted by developers. Two Marcellus Shale cores from West Virginia were analyzed to compare the isotopic and geochemical characteristics of a liquids-prone well (WV-7) in Wetzel County with a gas-prone well (WV-6) in Monongalia County. The contrasts between the cores indicate that the conditions of the Marcellus Shale deposition were different between the two sites. The dominant organic matter preserved in each core is isotopically different; delta C-13(org) values are lighter on average in WV-6 compared with WV-7. A possible explanation is that a larger fraction of terrestrial organic matter was preserved in the WV-6 core, whereas WV-7 may contain a greater percentage of marine organic matter. Clastic-influx proxies (e.g. Ti/Al, Ca/Al and Mg/Al) also suggest that the WV-6 core site received a higher siliciclastic input compared to WV-7, consistent with a more proximal location to dry land and the delivery of greater amounts of terrestrial organic matter. Depleted delta C-13(carb) values, low concentrations of redox sensitive elements (e.g. V, Cr, Ni and U), and high variability delta N-15 values in the WV-6 core all suggest the presence of higher dissolved oxygen concentration and short term shifts in an oxic/anoxic boundary near the sediment-water interface during deposition. These lines of evidence indicate that the depositional conditions were favorable for the accumulation of predominantly gas-prone Type III kerogen in the Marcellus Shale at the WV-6 site. In contrast, the Marcellus Shale at the WV-7 site was deposited in a more distal area that received a low terrestrial sediment supply, organic matter primarily derived from marine algae, and bottom water conditions that were dominantly anoxic. Such conditions were favorable for the accumulation of Type II kerogen that has a greater capacity to generate liquid hydrocarbons. Differences between the liquids-prone and gas-prone parts of the Marcellus Shale play have been largely ascribed to depth-of-burial and thermal maturation history; this study indicates that depositional environment and sedimentary facies may have played significant roles as well. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Chen, Ruiqian; Sharma, Shikha] W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA.
[Bank, Tracy] UPS Washington Div, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Soeder, Daniel] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Eastman, Harvey] URS Corp, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Sharma, S (reprint author), W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA.
EM shikha.sharma@mail.wvu
OI Soeder, Daniel/0000-0003-2248-6235
FU National Science Foundation [NSF EAR-1205596, NSF DEB-1342732];
collaborative initiative of the National Energy Technology Laboratory's
Regional University Alliance (NETL-RUA) under the RES [DEFE0004000]
FX The research was supported by two National Science Foundation grants to
Dr. Sharma (NSF EAR-1205596 and NSF DEB-1342732). The work was also
funded by a collaborative initiative of the National Energy Technology
Laboratory's Regional University Alliance (NETL-RUA) under the RES
Contract DEFE0004000. Philip Dinterman from WV Geological and Economic
Survey and Dr. Ajay Warder from the WVU Stable Isotope are acknowledged
for providing help with sample collection and analysis. Dr. Gary Lash
and an anonymous reviewer are thanked for their constructive comments
and suggestions.
NR 87
TC 3
Z9 3
U1 1
U2 24
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD SEP
PY 2015
VL 60
BP 59
EP 71
DI 10.1016/j.apgeochem.2015.01.001
PG 13
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CO5BG
UT WOS:000359174000007
ER
PT J
AU Stewart, BW
Chapman, EC
Capo, RC
Johnson, JD
Graney, JR
Kirby, CS
Schroeder, KT
AF Stewart, Brian W.
Chapman, Elizabeth C.
Capo, Rosemary C.
Johnson, Jason D.
Graney, Joseph R.
Kirby, Carl S.
Schroeder, Karl T.
TI Origin of brines, salts and carbonate from shales of the Marcellus
Formation: Evidence from geochemical and Sr isotope study of
sequentially extracted fluids
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID NORTHERN APPALACHIAN BASIN; STRONTIUM ISOTOPE; EASTERN INTERIOR;
UNITED-STATES; GAS-WELLS; WATERS; STRATIGRAPHY; PENNSYLVANIA;
DISSOLUTION; EVOLUTION
AB Fluids co-produced with methane from hydraulically fractured organic-rich shales of the Marcellus Formation (USA) are characterized by high total dissolved solids (TDS), including elevated levels of Ba, Sr and Br. To investigate the source and geologic history of these high-TDS fluids and their dissolved constituents, we carried out a series of sequential extraction experiments on dry-drilled cuttings extracted within, below and above the Marcellus Shale from a well in Tioga County, New York State. The experiments were designed to extract (1) water soluble components, (2) exchangeable cations, (3) carbonate minerals, and (4) hydrochloric acid-soluble constituents. The geochemistry of the resultant leachates highlights the different geochemical reservoirs for extractable elements within the shale; notably, Na and Br were largely water-soluble, while Ba was extracted primarily from exchangeable sites, and Ca and Sr were found both in exchangeable sites and carbonate. Strontium isotope ratios measured on the leachates indicate that each of the element reservoirs has a distinct value. Measured Sr-87/Sr-86 ratios in the water soluble component are similar to those of Marcellus produced water, while the ion exchange reservoir yields lower ratios, and carbonate Sr is lower still, approaching Devonian-Silurian seawater values. Despite the isotopic similarity of water leachates and produced water, the total water chemistry argues against generation of produced water by interaction of hydraulic fracturing fluid with "dry" shale. The high-TDS produced water is most likely trapped formation water (within and/or adjacent to the shale) that is released by hydraulic fracturing. The formation water was affected by multiple processes, possibly including basin scale, tectonically-driven fluid flow. Significant chemical and isotopic differences between Marcellus Shale produced water and overlying Upper Devonian/Lower Mississippian produced waters suggests a hydrologic barrier has been maintained in parts of the Appalachian Basin since the late Paleozoic. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Stewart, Brian W.; Chapman, Elizabeth C.; Capo, Rosemary C.] Univ Pittsburgh, Dept Geol & Planetary Sci, Pittsburgh, PA 15260 USA.
[Johnson, Jason D.; Graney, Joseph R.] SUNY Binghamton, Dept Geol Sci, Binghamton, NY 13850 USA.
[Kirby, Carl S.] Bucknell Univ, Dept Geol, Lewisburg, PA 17837 USA.
[Schroeder, Karl T.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Stewart, BW (reprint author), Univ Pittsburgh, Dept Geol & Planetary Sci, Pittsburgh, PA 15260 USA.
EM bstewart@pitt.edu
FU Colcom Foundation; U.S. Department of Energy, Office of Fossil Energy
under the RES [DE-FE0004000]
FX We thank M. Engle and E. Rowan for detailed and insightful reviews that
greatly improved the manuscript. This work was supported by the Colcom
Foundation (CSK, RCC, JRG), with additional funding from the U.S.
Department of Energy, Office of Fossil Energy, as performed through the
National Energy Technology Laboratory's ongoing research under the RES
contract DE-FE0004000 (RCC, BWS).
NR 59
TC 7
Z9 7
U1 6
U2 41
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD SEP
PY 2015
VL 60
BP 78
EP 88
DI 10.1016/j.apgeochem.2015.01.004
PG 11
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CO5BG
UT WOS:000359174000009
ER
PT J
AU Phan, TT
Capo, RC
Stewart, BW
Graney, JR
Johnson, JD
Sharma, S
Toro, J
AF Phan, Thai T.
Capo, Rosemary C.
Stewart, Brian W.
Graney, Joseph R.
Johnson, Jason D.
Sharma, Shikha
Toro, Jaime
TI Trace metal distribution and mobility in drill cuttings and produced
waters from Marcellus Shale gas extraction: Uranium, arsenic, barium
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID ALKALINE-EARTH METALS; APPALACHIAN BASIN; NATURAL-GAS; BLACK SHALES;
DRINKING-WATER; UNITED-STATES; WASTE-WATER; OXIDATIVE DISSOLUTION;
LANDFILL LEACHATE; STRONTIUM ISOTOPE
AB Development of unconventional shale gas wells can generate significant quantities of drilling waste, including trace metal-rich black shale from the lateral portion of the drillhole. We carried out sequential extractions on 15 samples of dry-drilled cuttings and core material from the gas-producing Middle Devonian Marcellus Shale and surrounding units to identify the host phases and evaluate the mobility of selected trace elements during cuttings disposal. Maximum whole rock concentrations of uranium (U), arsenic (As), and barium (Ba) were 47, 90, and 3333 mg kg(-1), respectively. Sequential chemical extractions suggest that although silicate minerals are the primary host for U, as much as 20% can be present in carbonate minerals. Up to 74% of the Ba in shale was extracted from exchangeable sites in the shale, while As is primarily associated with organic matter and sulfide minerals that could be mobilized by oxidation. For comparison, U and As concentrations were also measured in 43 produced water samples returned from Marcellus Shale gas wells. Low U concentrations in produced water (<0.084-3.26 mu g L-1) are consistent with low-oxygen conditions in the wellbore, in which U would be in its reduced, immobile form. Arsenic was below detection in all produced water samples, which is also consistent with reducing conditions in the wellbore minimizing oxidation of As-bearing sulfide minerals.
Geochemical modeling to determine mobility under surface storage and disposal conditions indicates that oxidation and/or dissolution of U-bearing minerals in drill cuttings would likely be followed by immobilization of U in secondary minerals such as schoepite, uranophane, and soddyite, or uraninite as conditions become more reducing. Oxidative dissolution of arsenic containing sulfides could release soluble As in arsenate form under oxic acidic conditions. The degree to which the As is subsequently immobilized depends on the redox conditions along the landfill flow path. The results suggest that proper management of drill cuttings can minimize mobilization of these metals by monitoring and controlling Eh, pH and dissolved constituents in landfill leachates. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Phan, Thai T.; Capo, Rosemary C.; Stewart, Brian W.] Univ Pittsburgh, Dept Geol & Planetary Sci, Pittsburgh, PA 15260 USA.
[Phan, Thai T.] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Graney, Joseph R.; Johnson, Jason D.] SUNY Binghamton, Dept Geol Sci, Binghamton, NY 13902 USA.
[Sharma, Shikha; Toro, Jaime] W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA.
RP Phan, TT (reprint author), Univ Pittsburgh, Dept Geol & Planetary Sci, 4107 OHara St, Pittsburgh, PA 15260 USA.
EM thaiphan@pitt.edu
OI Phan, Thai/0000-0003-2491-749X
FU Marcellus Environmental Fund of the Colcom Foundation; RES
[DE-FE0004000]
FX We thank Elizabeth Rowan, Andrew Wall, and James Gardiner for assistance
with fieldwork, Radisav Vidic and Elise Barbot for samples of Washington
County produced waters, and Dan Bain for analytical support. We thank
the Energy Corporation of America (ECA) for donating the core that was
used in this study. We also thank two anonymous reviewers for insightful
comments and suggestions that improved this paper, as well as two
reviewers for comments on an earlier version of the manuscript. This
work was partially supported by the Marcellus Environmental Fund of the
Colcom Foundation (RCC, BWS and JRG) and also performed as a
collaborative effort with the National Energy Technology Laboratory's
Regional University Alliance (NETL-RUA) under the RES contract
DE-FE0004000 (RCC, BWS).
NR 106
TC 9
Z9 9
U1 7
U2 42
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD SEP
PY 2015
VL 60
BP 89
EP 103
DI 10.1016/j.apgeochem.2015.01.013
PG 15
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CO5BG
UT WOS:000359174000010
ER
PT J
AU Craig, IM
Cannon, BD
Taubman, MS
Bernacki, BE
Stahl, RD
Schiffern, JT
Myers, TL
Phillips, MC
AF Craig, Ian M.
Cannon, Bret D.
Taubman, Matthew S.
Bernacki, Bruce E.
Stahl, Robert D.
Schiffern, John T.
Myers, Tanya L.
Phillips, Mark C.
TI Sensing of gaseous HF at low part-per-trillion levels using a tunable
2.5-mu m diode laser spectrometer operating at ambient pressure
SO APPLIED PHYSICS B-LASERS AND OPTICS
LA English
DT Article
ID MOLECULAR SPECTROSCOPIC DATABASE; 1ST OVERTONE BAND; HYDROGEN-FLUORIDE;
INFRARED-SPECTROSCOPY; STRATOSPHERIC HCL; FUNDAMENTAL BANDS;
WATER-VAPOR; GAS; ABSORPTION; LINES
AB We demonstrate a sensor based on tunable diode laser absorption spectroscopy for the detection of hydrogen fluoride (HF) gas at ambient pressure. Absorption from the HF R(1) ro-vibrational peak at nu I integral = 4038.962 cm(-1) (2.476 A mu m) in the fundamental (Delta nu = 1) band is measured. A quantitative spectral fit based on HITRAN data is used to account for overlapping spectral peaks of HF and water vapor, with an rms residual noise of 5 x 10(-4) absorbance units. The sensor is optimized for the detection of transient variations in HF concentration. We measure noise-equivalent concentrations for HF of 38 parts-per-trillion by volume (ppt) for 1-s integration times and 2.3 ppt for 10-min integration times.
C1 [Craig, Ian M.; Cannon, Bret D.; Taubman, Matthew S.; Bernacki, Bruce E.; Stahl, Robert D.; Schiffern, John T.; Myers, Tanya L.; Phillips, Mark C.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Phillips, MC (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM mark.phillips@pnnl.gov
OI Craig, Ian/0000-0003-4481-3700
FU US Department of Energy (DOE) by the Battelle Memorial Institute
[DE-AC05-76RL01830]
FX The authors would like to thank Charles Brown and the PNNL Health
Monitoring & Radio Frequency Sensors group for the use of their
environmental chamber. The Pacific Northwest National Laboratory is
operated for the US Department of Energy (DOE) by the Battelle Memorial
Institute under Contract No. DE-AC05-76RL01830.
NR 59
TC 1
Z9 1
U1 3
U2 20
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0946-2171
EI 1432-0649
J9 APPL PHYS B-LASERS O
JI Appl. Phys. B-Lasers Opt.
PD SEP
PY 2015
VL 120
IS 3
BP 505
EP 515
DI 10.1007/s00340-015-6159-0
PG 11
WC Optics; Physics, Applied
SC Optics; Physics
GA CO8NM
UT WOS:000359426400013
ER
PT J
AU Duarte, HF
Leclerc, MY
Zhang, GS
Durden, D
Kurzeja, R
Parker, M
Werth, D
AF Duarte, Henrique F.
Leclerc, Monique Y.
Zhang, Gengsheng
Durden, David
Kurzeja, Robert
Parker, Matthew
Werth, David
TI Impact of Nocturnal Low-Level Jets on Near-Surface Turbulence Kinetic
Energy
SO BOUNDARY-LAYER METEOROLOGY
LA English
DT Article
DE Low-level jet; Monin-Obukhov similarity; Nocturnal stable boundary
layer; Pressure transport term; Turbulence kinetic energy budget; z-Less
turbulence
ID STABLE-BOUNDARY-LAYER; LARGE-EDDY SIMULATION; NEUTRAL CONDITIONS;
CLIMATOLOGY; ATMOSPHERE; VARIANCE; PROFILES; PRESSURE; EXCHANGE; REGIMES
AB We report on the role of low-level jets (LLJs) on the modulation of near-surface turbulence in the stable boundary layer, focusing on the behaviour of the transport terms of the turbulence kinetic energy (TKE) budget. We also examine the applicability of Monin-Obukhov similarity theory (MOST) in light of these terms. Using coincident near-surface turbulence and LLJ data collected over a three-month period in South Carolina, USA, we found that turbulence during LLJ periods was typically stronger and more well-developed in comparison with periods without a LLJ. We found a local imbalance in the near-surface TKE budget, in which the imbalance (residual) term was typically positive (i.e., energy gain) and nearly in equilibrium with buoyant consumption. Based on a comparison with previous studies, we assume that this residual term represents mostly pressure transport. We found the behaviour of the residual term to be better delineated in the presence of LLJs. We found shear production to adhere to MOST remarkably well during LLJs, except under very stable conditions. Gain of non-local TKE via pressure transport, likely consisting of large-scale fluctuations, could be the cause of the observed deviation from the MOST -less prediction. The fact that this deviation was observed for periods with well-developed turbulence with an inertial subrange slope close to indicates that such Kolmogorov turbulence is not a sufficient condition to guarantee the applicability of the MOST -less concept, as recently suggested in the literature. The implications of these results are discussed.
C1 [Duarte, Henrique F.; Leclerc, Monique Y.; Zhang, Gengsheng; Durden, David] Univ Georgia, Lab Atmospher Biogeosci, Griffin, GA USA.
[Kurzeja, Robert; Parker, Matthew; Werth, David] Savannah River Natl Lab, Aiken, SC USA.
RP Duarte, HF (reprint author), Univ Utah, Dept Atmospher Sci, Land Atmosphere Interact Res Grp LAIR, 135 S 1460 E,RM 713 WBB, Salt Lake City, UT 84112 USA.
EM h.duarte@utah.edu
OI Durden, David/0000-0001-9572-8325
FU U.S. Department of Energy, Terrestrial Carbon Processes Program
[ER64321]; DOE Office of Science-Terrestrial Carbon Processes Program;
[DE-AC09-08SR22470]
FX The authors gratefully acknowledge the comments of Nelson Dias, Carmen
Nappo, and three anonymous reviewers, who helped to improve the quality
of the manuscript. This study was funded by the U.S. Department of
Energy, Terrestrial Carbon Processes Program, grant ER64321. The work
performed by SRNL was supported, in part, from funding also provided by
the DOE Office of Science-Terrestrial Carbon Processes Program and was
performed under contract no. DE-AC09-08SR22470.
NR 58
TC 2
Z9 2
U1 2
U2 12
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0006-8314
EI 1573-1472
J9 BOUND-LAY METEOROL
JI Bound.-Layer Meteor.
PD SEP
PY 2015
VL 156
IS 3
BP 349
EP 370
DI 10.1007/s10546-015-0030-z
PG 22
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CO2WR
UT WOS:000359018200002
ER
PT J
AU Inman, D
Elmore, R
Bush, B
AF Inman, Daniel
Elmore, Ryan
Bush, Brian
TI A case study to examine the imputation of missing data to improve
clustering analysis of building electrical demand
SO BUILDING SERVICES ENGINEERING RESEARCH & TECHNOLOGY
LA English
DT Article
DE Clustering; missing data; building electrical demand
ID FAULT-DETECTION; SYSTEMS
AB Building performance data are widely used for daily operation, improving building efficiency, identifying and diagnosing performance problems, and commissioning. In this study, the authors explore the use of missing data imputation and clustering on an electrical demand dataset. The objective was to compare four approaches of data imputation and clustering analysis. Results of this study suggest that using multiple imputation to fill in missing data prior to performing clustering analysis results in more informative clusters. Commonly used methods to fill in missing data lead to changes in cluster membership that are not suggestive of a change in the building's performance, but instead is a result of the choice of imputation method used.Practical application: The authors demonstrate, through the use of a case study, the application of a statistically sound method for filling in missing data in large buildings performance datasets. The methods used in this analysis are available through the open-source programming language R and are straight forward to implement. The approach demonstrated in this case study could aid buildings analysts with fault detection and continuous commissioning of large commercial buildings.
C1 [Inman, Daniel; Bush, Brian] Natl Renewable Energy Lab, Strateg Energy Anal Ctr, Golden, CO 80401 USA.
[Elmore, Ryan] Natl Renewable Energy Lab, Computat Sci Ctr, Golden, CO 80401 USA.
RP Inman, D (reprint author), Natl Renewable Energy Lab, Strateg Energy Anal Ctr, 15013 Denver West Pkwy, Golden, CO 80401 USA.
EM daniel.inman@nrel.gov
FU U.S. Department of Energy [DE-AC36-08-GO28308]; National Renewable
Energy Laboratory
FX This work was supported by the U.S. Department of Energy under Contract
No. DE-AC36-08-GO28308 with the National Renewable Energy Laboratory.
NR 16
TC 0
Z9 0
U1 4
U2 4
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 0143-6244
EI 1477-0849
J9 BUILD SERV ENG RES T
JI Build Serv. Eng. Res. Technol.
PD SEP
PY 2015
VL 36
IS 5
BP 628
EP 637
DI 10.1177/0143624415573215
PG 10
WC Construction & Building Technology
SC Construction & Building Technology
GA CO3VY
UT WOS:000359090500009
ER
PT J
AU Schroeder, JN
Harto, CB
Clark, CE
AF Schroeder, J. N.
Harto, C. B.
Clark, C. E.
TI Federal policy documentation and geothermal water consumption: Policy
gaps and needs
SO ENERGY POLICY
LA English
DT Article
DE Geothermal; Water; Policy; Life cycle assessment; Water consumption;
NEPA
AB With U.S. geothermal power production expected to more than triple by 2040, and the majority of this growth expected to occur in arid and water-constrained areas, it is imperative that decision-makers understand the potential long-term limitations to and tradeoffs of geothermal development due to water availability. To this end, water consumption data, including documentation triggered by the National Environmental Policy Act (NEPA) of 1969, production and injection data, and water permit data, were collected from state and federal environmental policy sources in an effort to determine water consumption across the lifecycle of geothermal power plants. Values extracted from these sources were analyzed to estimate water usage during well drilling; to identify sourcing of water for well drilling, well stimulation, and plant operations; and to estimate operational water usage at the plant level. Nevada data were also compared on a facility-by-facility basis with other publicly available water consumption data, to create a complete picture of water usage and consumption at these facilities. This analysis represents a unique method of capturing project-level water data for geothermal projects; however, a lack of statutory and legal requirements for such data and data quality result in significant data gaps, which are also explored. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Schroeder, J. N.; Harto, C. B.; Clark, C. E.] Argonne Natl Lab, Washington, DC 20024 USA.
RP Schroeder, JN (reprint author), Argonne Natl Lab, 955 LEnfant Plaza SW,Suite 6000, Washington, DC 20024 USA.
EM jschroeder@anl.gov
FU U.S. Department of Energy, Geothermal Technologies Office
[DE-AC02-06CH11357]
FX Argonne National Laboratory's work was supported by the U.S. Department
of Energy, Assistant Secretary for Energy Efficiency and Renewable
Energy, Geothermal Technologies Office, under contract
DE-AC02-06CH11357.
NR 32
TC 0
Z9 0
U1 1
U2 10
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0301-4215
EI 1873-6777
J9 ENERG POLICY
JI Energy Policy
PD SEP
PY 2015
VL 84
BP 58
EP 68
DI 10.1016/j.enpol.2015.04.022
PG 11
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA CO2GZ
UT WOS:000358975500006
ER
PT J
AU Krueger, WS
Hilborn, ED
Converse, RR
Wade, TJ
AF Krueger, W. S.
Hilborn, E. D.
Converse, R. R.
Wade, T. J.
TI Environmental risk factors associated with Helicobacter pylori
seroprevalence in the United States: a cross-sectional analysis of
NHANES data
SO EPIDEMIOLOGY AND INFECTION
LA English
DT Article
DE Environmental exposure; Helicobacter pylori; nutrition surveys;
seroepidemiological studies; seroprevalence
ID PUBLIC-HEALTH IMPLICATIONS; DRINKING-WATER BIOFILMS; PENINSULAR
MALAYSIA; NATURAL-ENVIRONMENT; WASTE-WATER; WELL WATER; US ADULTS;
INFECTION; EPIDEMIOLOGY; TRANSMISSION
AB Helicobacter pylori imparts a considerable burden to public health. Infections are mainly acquired in childhood and can lead to chronic diseases, including gastric ulcers and cancer. The bacterium subsists in water, but the environment's role in transmission remains poorly understood. The nationally representative National Health and Nutrition Examination Survey (NHANES) was examined for environmental risk factors associated with H. pylori seroprevalence. Data from 1999-2000 were examined and weighted to represent the US population. Multivariable logistic regression estimated adjusted odds ratios (aOR) and 95% confidence intervals (CI) for associations with seropositivity. Self-reported general health condition was inversely associated with seropositivity. Of participants aged <20 years, seropositivity was significantly associated with having a well as the source of home tap water (aOR 1 center dot 7, 95% CI 1 center dot 1-26) and living in a more crowded home (aOR 2 center dot 3, 95% CI 1 center dot 5-3 center dot 7). Of adults aged >= 20 years, seropositivity was not associated with well water or crowded living conditions, but adults in soil-related occupations had significantly higher odds of seropositivity compared to those in non-soil-related occupations (aOR 1 center dot 9, 95% CI 1 center dot 2-2 center dot 9). Exposures to both well water and occupationally related soil increased the effect size of adults' odds of seropositivity compared to non-exposed adults (aOR 2 center dot 7, 95% CI 1 center dot 3-5 center dot 6). Environmental exposures (well-water usage and occupational contact with soil) play a role in H. pylori transmission. A disproportionate burden of infection is associated with poor health and crowded living conditions, but risks vary by age and race/ethnicity. These findings could help inform interventions to reduce the burden of infections in the United States.
C1 [Krueger, W. S.; Converse, R. R.] Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37831 USA.
[Krueger, W. S.; Hilborn, E. D.; Converse, R. R.; Wade, T. J.] US EPA, Off Res & Dev, Environm Publ Hlth Div, Chapel Hill, NC USA.
RP Krueger, WS (reprint author), Oak Ridge Inst Sci & Educ, POB 117, Oak Ridge, TN 37831 USA.
EM krueger.whitney@epa.gov
FU U.S. Department of Energy; EPA
FX This project was supported in part by an appointment to the
Internship/Research Participation Program at the Office of Research and
Development, U.S. Environmental Protection Agency, administered by the
Oak Ridge Institute for Science and Education through an inter-agency
agreement between the U.S. Department of Energy and EPA.
NR 72
TC 5
Z9 5
U1 1
U2 11
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0950-2688
EI 1469-4409
J9 EPIDEMIOL INFECT
JI Epidemiol. Infect.
PD SEP
PY 2015
VL 143
IS 12
BP 2520
EP 2531
DI 10.1017/S0950268814003938
PG 12
WC Public, Environmental & Occupational Health; Infectious Diseases
SC Public, Environmental & Occupational Health; Infectious Diseases
GA CO0ME
UT WOS:000358844800006
PM 25592266
ER
PT J
AU Branch, B
Schei, JL
Gupta, G
Dattelbaum, AM
Petsev, DN
George, JS
AF Branch, Brittany
Schei, Jennifer L.
Gupta, Gautam
Dattelbaum, Andrew M.
Petsev, Dimiter N.
George, John S.
TI Micropillar Electrode Array: From Metal to Dielectric Interface
SO IEEE SENSORS JOURNAL
LA English
DT Article
DE Atomic layer deposition; hafnium oxide; microfabrication; sensor array
ID DENSITY MICROELECTRODE ARRAY; ELECTRICAL-STIMULATION; GANGLION-CELLS;
PRIMATE RETINA; IN-VITRO; SILICON; FABRICATION; CONFIGURATION;
ORGANIZATION; RECORDINGS
AB We have developed a novel platform comprising a 3-D micropillar sensor array that can be encapsulated with high-k dielectric material for applications in capacitive neural sensing. The present device incorporates over 3800 micropillar electrodes, grouped into 60 independent sensor clusters (for compatibility with existing electronics), spread over an area of 750 mu m(2). Each sensor cluster site consists of an 8 x 8 array of micropillars, interconnected by a lead to an output pad of the device. Individual 3-D pillars are 3 mu m in diameter with a height of 8 mu m. Our experience suggests that such microstructured probes can achieve more intimate contact with the surface of neural tissue and enhance the quality of neuronal recordings. Impedance spectroscopy at 1 kHz measured average magnitude and phase shift of 710 W and 17 degrees, respectively, for a single sensor site. These values confirm that our process allows robust fabrication of highly conductive 3-D microelectrodes. The device showed good consistency across all 60 Pt electrode clusters during initial characterization and when interfaced with retinal tissue. Such a device was then encapsulated with a layer of HfO2 by atomic layer deposition. Subsequent impedance spectroscopy showed a shift in impedance and phase towards capacitive behavior. The results shown here demonstrate high-density, 3-D microfabrication technology that can be applied to the development of advanced capacitive sensor arrays for neural tissue.
C1 [Branch, Brittany; Gupta, Gautam; Dattelbaum, Andrew M.] Los Alamos Natl Lab, Mat Synth & Integrated Devices Grp, Los Alamos, NM 87545 USA.
[Schei, Jennifer L.; George, John S.] Los Alamos Natl Lab, Appl Modern Phys Grp, Los Alamos, NM 87545 USA.
[Petsev, Dimiter N.] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
RP Branch, B (reprint author), Los Alamos Natl Lab, Mat Synth & Integrated Devices Grp, Los Alamos, NM 87545 USA.
EM bbranch@lanl.gov; jlschei@lanl.gov; gautam@lanl.gov; amdattel@lanl.gov;
dimiter@unm.edu; jsg@lanl.gov
FU LANL LDRD Program; National Science Foundation [CBET 0844645]
FX This work was supported by the LANL LDRD Program. The work of D. N.
Petsev was supported by the National Science Foundation (CBET 0844645).
The associate editor coordinating the review of this paper and approving
it for publication was Dr. Santiago Marco.
NR 42
TC 0
Z9 0
U1 3
U2 22
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1530-437X
EI 1558-1748
J9 IEEE SENS J
JI IEEE Sens. J.
PD SEP
PY 2015
VL 15
IS 9
BP 4992
EP 5000
DI 10.1109/JSEN.2015.2425305
PG 9
WC Engineering, Electrical & Electronic; Instruments & Instrumentation;
Physics, Applied
SC Engineering; Instruments & Instrumentation; Physics
GA CN7XI
UT WOS:000358648200033
ER
PT J
AU Chong, XY
Kim, KJ
Ohodnicki, PR
Li, EW
Chang, CH
Wang, AX
AF Chong, Xinyuan
Kim, Ki-Joong
Ohodnicki, Paul R.
Li, Erwen
Chang, Chih-Hung
Wang, Alan X.
TI Ultrashort Near-Infrared Fiber-Optic Sensors for Carbon Dioxide
Detection
SO IEEE SENSORS JOURNAL
LA English
DT Article
DE Fiber optic sensor; gas sensor; near infrared absorption; metal-organic
framework
ID METAL-ORGANIC FRAMEWORKS; PLASMON RESONANCE SENSOR; DRUG-DELIVERY;
HYDROGEN STORAGE; OPTIC SENSORS; GAS SENSORS; WAVE-GUIDE; ABSORPTION;
SEPARATION; FILM
AB In this paper, we report a fiber-optic carbon dioxide (CO2) near-infrared (IR) absorption sensor with only 8-cm sensing length that is coated with nanoporous metalorganic framework material Cu-BTC (BTC = benzene-1,3, 5-tricarboxylate). The multimode optical fiber was etched by hydrofluoric acid to remove the cladding and part of the core, resulting in larger evanescent field to sense the near-IR absorption induced by the adsorbed CO2. The Cu-BTC thin film with 100 nm thickness was then grown onto the ethced core through a stepwise layer-by-layer method. Our real-time measurement results show that the CO2 detection limit is better than 500 ppm and the overall response time is 40 s for absorption and 75 s for desorption. To the best of our knowledge, this is the shortest near-IR fiber-optic sensor for CO2 detection at 1.57-mu m wavelength.
C1 [Chong, Xinyuan; Li, Erwen; Wang, Alan X.] Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA.
[Kim, Ki-Joong; Chang, Chih-Hung] Oregon State Univ, Sch Chem Biol Environm Engn, Corvallis, OR 97331 USA.
[Ohodnicki, Paul R.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Chong, XY (reprint author), Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA.
EM chongx@onid.oregonstate.edu; goldcat.kjkim@gmail.com;
paul.ohodnicki@netl.doe.gov; lie@onid.oregonstate.edu;
chih-hung.chang@oregonstate.edu; wang@eecs.oregonstate.edu
FU National Energy Technology Laboratory's through RES [DE-FE0004000]
FX This work was supported by the National Energy Technology Laboratory's
ongoing research through RES under Contract DE-FE0004000. The associate
editor coordinating the review of this paper and approving it for
publication was Dr. Anna G. Mignani.
NR 46
TC 1
Z9 1
U1 6
U2 48
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1530-437X
EI 1558-1748
J9 IEEE SENS J
JI IEEE Sens. J.
PD SEP
PY 2015
VL 15
IS 9
BP 5327
EP 5332
DI 10.1109/JSEN.2015.2438063
PG 6
WC Engineering, Electrical & Electronic; Instruments & Instrumentation;
Physics, Applied
SC Engineering; Instruments & Instrumentation; Physics
GA CN7XI
UT WOS:000358648200076
ER
PT J
AU Dasgupta, A
Poco, J
Wei, YX
Cook, R
Bertini, E
Silva, CT
AF Dasgupta, Aritra
Poco, Jorge
Wei, Yaxing
Cook, Robert
Bertini, Enrico
Silva, Claudio T.
TI Bridging Theory with Practice: An Exploratory Study of Visualization Use
and Design for Climate Model Comparison
SO IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS
LA English
DT Article
DE Visualization; design principles; climate model; taxonomy
ID INFORMATION VISUALIZATION; WHITEBOARDS
AB Evaluation methodologies in visualization have mostly focused on how well the tools and techniques cater to the analytical needs of the user. While this is important in determining the effectiveness of the tools and advancing the state-of-the-art in visualization research, a key area that has mostly been overlooked is how well established visualization theories and principles are instantiated in practice. This is especially relevant when domain experts, and not visualization researchers, design visualizations for analysis of their data or for broader dissemination of scientific knowledge. There is very little research on exploring the synergistic capabilities of cross-domain collaboration between domain experts and visualization researchers. To fill this gap, in this paper we describe the results of an exploratory study of climate data visualizations conducted in tight collaboration with a pool of climate scientists. The study analyzes a large set of static climate data visualizations for identifying their shortcomings in terms of visualization design. The outcome of the study is a classification scheme that categorizes the design problems in the form of a descriptive taxonomy. The taxonomy is a first attempt for systematically categorizing the types, causes, and consequences of design problems in visualizations created by domain experts. We demonstrate the use of the taxonomy for a number of purposes, such as, improving the existing climate data visualizations, reflecting on the impact of the problems for enabling domain experts in designing better visualizations, and also learning about the gaps and opportunities for future visualization research. We demonstrate the applicability of our taxonomy through a number of examples and discuss the lessons learnt and implications of our findings.
C1 [Dasgupta, Aritra] NYU, Dept Comp Sci & Engn, New York, NY 11209 USA.
[Poco, Jorge; Bertini, Enrico; Silva, Claudio T.] NYU, Dept Comp Sci & Engn, Brooklyn, NY 11201 USA.
[Wei, Yaxing; Cook, Robert] Oak Ridge Natl Lab, Div Environm Sci, Knoxville, TN USA.
RP Dasgupta, A (reprint author), NYU, Dept Comp Sci & Engn, New York, NY 11209 USA.
EM adasgupt@nyu.edu; jpocom@nyu.edu; weiy@ornl.gov; cookrb@ornl.gov;
enrico.bertini@nyu.edu; csilva@nyu.edu
OI Cook, Robert/0000-0001-7393-7302; Poco, Jorge/0000-0001-9096-6287
FU DataONE project (NSF) [OCI-0830944, NSF CNS-1229185]; NASA ROSES
[10-BIOCLIM10-0067]; DOE Office of Science Biological and Environmental
Research (BER); MAST-DC (NASA) [NNH10AN68I]; MsTMIP (NASA) [NNH10AN68I];
NASA's Terrestrial Ecology Program
FX This work was supported by: the DataONE project (NSF Grant number
OCI-0830944), NSF CNS-1229185, NASA ROSES 10-BIOCLIM10-0067, and DOE
Office of Science Biological and Environmental Research (BER). The data
was acquired through the MAST-DC (NASA Grant NNH10AN68I) and MsTMIP
(NASA Grant NNH10AN68I) projects funded by NASA's Terrestrial Ecology
Program. The authors extend our gratitude to members of the Scientific
Exploration, Visualization, and Analysis working group (EVA) for their
participation in the study and their continuous feedback and support in
course of the project. Aritra Dasgupta is the corresponding author.
NR 55
TC 3
Z9 3
U1 4
U2 8
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1077-2626
EI 1941-0506
J9 IEEE T VIS COMPUT GR
JI IEEE Trans. Vis. Comput. Graph.
PD SEP
PY 2015
VL 21
IS 9
BP 996
EP 1014
DI 10.1109/TVCG.2015.2413774
PG 19
WC Computer Science, Software Engineering
SC Computer Science
GA CO1LI
UT WOS:000358916100002
PM 26357283
ER
PT J
AU Bazilevs, Y
Deng, X
Korobenko, A
di Scalea, FL
Todd, MD
Taylor, SG
AF Bazilevs, Y.
Deng, X.
Korobenko, A.
di Scalea, F. Lanza
Todd, M. D.
Taylor, S. G.
TI Isogeometric Fatigue Damage Prediction in Large-Scale Composite
Structures Driven by Dynamic Sensor Data
SO JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME
LA English
DT Article
DE fatigue damage; DDDAS; IGA; Kirchholl-Love shells; digital twin
ID REPRESENTATIVE VOLUME ELEMENTS; FINITE-ELEMENTS; MODAL-ANALYSIS; WIND
TURBINES; PART II; SYSTEMS; MICROSTRUCTURES; REFINEMENT; SIMULATION;
FRAMEWORK
AB In this paper, we combine recent developments in modeling of fatigue-damage, isogeometric analysis (IGA) of thin-shell structures, and structural health monitoring (SHIM) to develop a computational steering framework for fatigue-damage prediction in foil-scale laminated composite structures. The main constituents of' the proposed framework are described in detail, and the framework is deployed in the context of an actual fatigue test of a full-scale wind-turbine blade structure. The results indicate that using an advanced computational model informed by in situ SHM data leads to accurate prediction of the damage zone formation, damage progression, and eventual failure of the structure. Although the blade fatigue simulation was driven by test data obtained prior tel the computation, the proposed computational steering framework may be deployed concurrently with structures undergoing fatigue loading.
C1 [Bazilevs, Y.; Deng, X.; Korobenko, A.; di Scalea, F. Lanza; Todd, M. D.] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA.
[Taylor, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Bazilevs, Y (reprint author), Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA.
EM yuri@ucsd.edu
FU AFOSR [FA9550-12-1-0005, FA9550-12-1-0046]; Department of Energy;
Leading Foreign Research Institute Recruitment Program through the
National Research Foundation of Korea - Ministry of Education, Science
and Technology [2011-0030065]
FX Y.B., A.K., and F.L. were supported through AFOSR Award No.
FA9550-12-1-0005. X.D. was supported through AFOSR Award No,
FA9550-12-1-0046. S.T. was funded by the Department of Energy through a
Laboratory Research and Development (LDRD) Program. NIT. was funded by
the Leading Foreign Research Institute Recruitment Program through the
National Research Foundation of Korea funded by the Ministry of
Education, Science and Technology (2011-0030065). This support is
gratefully acknowledged.
NR 42
TC 2
Z9 2
U1 8
U2 16
PU ASME
PI NEW YORK
PA TWO PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0021-8936
EI 1528-9036
J9 J APPL MECH-T ASME
JI J. Appl. Mech.-Trans. ASME
PD SEP
PY 2015
VL 82
IS 9
AR 091008
DI 10.1115/1.40307951
PG 12
WC Mechanics
SC Mechanics
GA CO5HS
UT WOS:000359190800008
ER
PT J
AU Smoot, CD
Hathaway, AA
Ma, HB
Crawford, MT
Huhman, BM
Sobel, A
AF Smoot, C. D.
Hathaway, A. A.
Ma, H. B.
Crawford, M. T.
Huhman, B. M.
Sobel, Annie
TI Transient Response of an Oscillating Heat Pipe by a Pulsed Heating in a
High Magnetic Field Environment
SO JOURNAL OF ELECTRONIC PACKAGING
LA English
DT Article
ID PERFORMANCE; RAILGUN; DESIGN; START
AB An experimental investigation of a compact, triple-layer oscillating heat pipe (OHP) has been conducted to determine the fast-transient heating effect on the heat transport capability of an OHP in a high magnetic field environment. The OHP has dimensions of 1.3 cm thick, 22.9 cm long, and 7.6 cm wide embedded with two-independent closed-loops forming three layers of channels. The OHP was directly clamped to a railgun system in a medium caliber launcher (MCL) and subjected to high current electric discharges occurring over several microseconds. The experimental results show that the OHP is capable of significantly reducing peak temperatures during a pulsed heating event over pure copper, even in the presence of relatively high magnetic fields.
C1 [Smoot, C. D.; Hathaway, A. A.; Ma, H. B.; Sobel, Annie] Univ Missouri, Dept Mech & Aerosp Engn, Columbia, MO 65211 USA.
[Crawford, M. T.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Huhman, B. M.] US Navy, Res Lab, Div Plasma Phys, Washington, DC 20375 USA.
[Sobel, Annie] Univ Missouri, Dept Elect Engn, Columbia, MO 65211 USA.
RP Ma, HB (reprint author), Univ Missouri, Dept Mech & Aerosp Engn, Columbia, MO 65211 USA.
EM mah@missouri.edu
FU Office of Naval Research [N00014-11-1-0334, N00014-11-C-0392]
FX The work presented in this article was funded by the Office of Naval
Research Grant No. N00014-11-1-0334 directed by Dr. Mark Spector and
Grant No. N00014-11-C-0392 directed by Roger Ellis and Ryan Hoffman.
NR 37
TC 0
Z9 0
U1 6
U2 22
PU ASME
PI NEW YORK
PA TWO PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1043-7398
EI 1528-9044
J9 J ELECTRON PACKAGING
JI J. Electron. Packag.
PD SEP
PY 2015
VL 137
IS 3
AR 031008
DI 10.1115/1.4030642
PG 7
WC Engineering, Electrical & Electronic; Engineering, Mechanical
SC Engineering
GA CO5HQ
UT WOS:000359190600008
ER
PT J
AU Zhao, WH
France, DM
Yu, WH
Singh, D
AF Zhao, Weihuan
France, David M.
Yu, Wenhua
Singh, Dileep
TI Subcooled Boiling Heat Transfer for Cooling of Power Electronics in
Hybrid Electric Vehicles
SO JOURNAL OF ELECTRONIC PACKAGING
LA English
DT Article
DE subcooled boiling; power electronics; junction temperature; hybrid
electric vehicles; heat transfer simulations
ID IMPINGING JETS
AB At present, single-phase liquid, forced convection cooled heat sinks with fins are used to cool power electronics in hybrid electric vehicles (HEVs). Although use of fins in the cooling channels increases heat transfer rates considerably, a second low-temperature radiator and associated pumping system are still required in HEVs. This additional cooling system adds weight and cost while decreasing the efficiency of HEVs. With the objective of eliminating this additional low-temperature radiator and pumping system in HEVs, an alternative cooling technology, subcooled boiling in the cooling channels, was investigated in the present study. Numerical heat transfer simulations were performed using subcooled boiling in the power electronics cooling channels with the coolant supplied from the existing main engine cooling system. Results show that this subcooled boiling system is capable of removing 25% more heat from the power electronics than the conventional forced convection cooling technology, or it can reduce the junction temperature of the power electronics at the current heat removal rate. With the 25% increased heat transfer option, high heat fluxes up to 250 W/cm(2) (typical for wideband-gap semiconductor applications) are possible by using the subcooled boiling system.
C1 [Zhao, Weihuan; France, David M.; Yu, Wenhua; Singh, Dileep] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[France, David M.] Univ Illinois, Dept Mech & Ind Engn, Chicago, IL 60607 USA.
RP Singh, D (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 South Cass Ave, Argonne, IL 60439 USA.
EM dsingh@anl.gov
FU Vehicle Technologies Office, Energy Efficiency and Renewable Energy of
the U.S. Department of Energy at Argonne National Laboratory
[DE-AC02-06CH11357]
FX This work was sponsored by the Vehicle Technologies Office, Energy
Efficiency and Renewable Energy of the U.S. Department of Energy under
Contract No. DE-AC02-06CH11357 at Argonne National Laboratory, managed
by UChicago Argonne LLC. Support and helpful discussions with program
managers Lee Slezak and David Anderson are appreciated.
NR 18
TC 0
Z9 0
U1 2
U2 15
PU ASME
PI NEW YORK
PA TWO PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1043-7398
EI 1528-9044
J9 J ELECTRON PACKAGING
JI J. Electron. Packag.
PD SEP
PY 2015
VL 137
IS 3
AR 031013
DI 10.1115/1.4030896
PG 7
WC Engineering, Electrical & Electronic; Engineering, Mechanical
SC Engineering
GA CO5HQ
UT WOS:000359190600013
ER
PT J
AU Miller, A
Kruichak, J
Mills, M
Wang, YF
AF Miller, Andrew
Kruichak, Jessica
Mills, Melissa
Wang, Yifeng
TI Iodide uptake by negatively charged clay interlayers?
SO JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
LA English
DT Article
DE Nuclear waste; Radioiodine; Ion pairing; Clay minerals
ID CALLOVIAN-OXFORDIAN FORMATION; SODIUM MAGNESIUM EXCHANGE;
CATION-EXCHANGE; MECHANISTIC DESCRIPTION; DIELECTRIC-CONSTANT;
NA-MONTMORILLONITE; CHLORIDE-IONS; SURFACE-AREA; ZN SORPTION; IN-SITU
AB Understanding iodide interactions with clay minerals is critical to quantifying risk associated with nuclear waste disposal. Current thought assumes that iodide does not interact directly with clay minerals due to electrical repulsion between the iodide and the negatively charged clay layers. However, a growing body of work indicates a weak interaction between iodide and clays. The goal of this contribution is to report a conceptual model for iodide interaction with clays by considering clay mineral structures and emergent behaviors of chemical species in confined spaces. To approach the problem, a suite of clay minerals was used with varying degrees of isomorphic substitution, chemical composition, and mineral structure. Iodide uptake experiments were completed with each of these minerals in a range of swamping electrolyte identities (NaCl, NaBr, KCl) and concentrations. Iodide uptake behaviors form distinct trends with cation exchange capacity and mineral structure. These trends change substantially with electrolyte composition and concentration, but do not appear to be affected by solution pH. The experimental results suggest that iodide may directly interact with clays by forming ion-pairs (e.g., NaI(aq)) which may concentrate within the interlayer space as well as the thin areas surrounding the clay particle where water behavior is more structured relative to bulk water. Ion pairing and iodide concentration in these zones is probably driven by the reduced dielectric constant of water in confined space and by the relatively high polarizability of the iodide species. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Miller, Andrew] Emporia State Univ, Emporia, KS 66801 USA.
[Kruichak, Jessica; Mills, Melissa; Wang, Yifeng] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Miller, A (reprint author), Emporia State Univ, 1 Kellogg Circle, Emporia, KS 66801 USA.
EM andrew.walker.miller@gmail.com
FU U.S. Department of Energy's Nation Nuclear Security Administration
[DE-AC04-94AL85000]; Used Fuel Disposition Campaign; Laboratory Directed
Research and Development grant [151302]; Emporia State University
start-up funds
FX Sandia National Laboratories is a multi-program laboratory managed and
operated by Sandia Corporation, a wholly owned subsidiary of Lockheed
Martin Corporation, for the U.S. Department of Energy's Nation Nuclear
Security Administration under contract DE-AC04-94AL85000. This project
was funded through the Used Fuel Disposition Campaign and through a
Laboratory Directed Research and Development grant (151302). Funding was
also provided through Emporia State University start-up funds. The
authors would like to thank Hernesto Tellez for help with analytical
work.
NR 52
TC 0
Z9 0
U1 3
U2 11
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0265-931X
EI 1879-1700
J9 J ENVIRON RADIOACTIV
JI J. Environ. Radioact.
PD SEP
PY 2015
VL 147
BP 108
EP 114
DI 10.1016/j.jenvrad.2015.05.024
PG 7
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA CO4YX
UT WOS:000359167900013
PM 26057987
ER
PT J
AU Akesson, M
Suckow, A
Visser, A
Sultenfuss, J
Laier, T
Purtschert, R
Sparrenbom, CJ
AF Akesson, Maria
Suckow, Axel
Visser, Ate
Sueltenfuss, Juergen
Laier, Troels
Purtschert, Roland
Sparrenbom, Charlotte J.
TI Constraining age distributions of groundwater from public supply wells
in diverse hydrogeological settings in Scania, Sweden
SO JOURNAL OF HYDROLOGY
LA English
DT Article
DE Groundwater; Environmental tracers; Groundwater age; Lumped parameter
modelling; Pollution vulnerability; Scania
ID DATING YOUNG GROUNDWATER; ATLANTIC COASTAL-PLAIN; SHALLOW GROUNDWATER;
HYDROLOGIC TRACERS; RADIOGENIC HELIUM; TERRIGENIC SF6; TRITIUM; AQUIFER;
MODELS; HE-3
AB Twenty-five public supply wells throughout the hydrogeologically diverse region of Scania, southern Sweden are subjected to environmental tracer analysis (H-3-He-3, He-4, CFCs, SF6 and for one well only also Kr-85 and Ar-39) to study well and aquifer vulnerability and evaluate possibilities of groundwater age distribution assessment. We find CFC and SF6 concentrations well above solubility equilibrium with modern atmosphere, indicating local contamination, as well as indications of CFC degradation. The tracer-specific complications considerably constrain possibilities for sound quantitative regional groundwater age distribution assessments and demonstrate the importance of initial qualitative assessment of tracer-specific reliability, as well a need for additional, complementary tracers (e.g. Kr-85, Ar-39 and potentially also C-14). Lumped parameter modelling yields credible age distribution assessments for representative wells in four type aquifers. Pollution vulnerability of the aquifer types was based on the selected LPM models and qualitative age characterisation. Most vulnerable are unconfined dual porosity and fractured bedrock aquifers, due to a large component of very young groundwater. Unconfined sedimentary aquifers are vulnerable due to young groundwater and a small pre-modern component. Less vulnerable are semi-confined sedimentary or dual-porosity aquifers, due to older age of the modern component and a larger pre-modern component. Confined aquifers appear least vulnerable, due an entirely pre-modern groundwater age distribution (recharged before 1963). Tracer complications aside, environmental tracer analyses and lumped parameter modelling aid in vulnerability assessment and protection of regional groundwater resources. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Akesson, Maria; Sparrenbom, Charlotte J.] Lund Univ, Dept Geol, S-22362 Lund, Sweden.
[Suckow, Axel] CSIRO Land & Water, Urrbrae, SA 5064, Australia.
[Visser, Ate] Lawrence Livermore Natl Lab, Div Chem Sci, Livermore, CA 94550 USA.
[Sueltenfuss, Juergen] Univ Bremen, Inst Environm Phys, D-28359 Bremen, Germany.
[Laier, Troels] Geol Survey Denmark & Greenland, Dept Geochem, DK-1350 Copenhagen, Denmark.
[Purtschert, Roland] Univ Bern, Climate & Environm Phys, CH-3012 Bern, Switzerland.
RP Akesson, M (reprint author), Lund Univ, Dept Geol, Solvegatan 12, S-22362 Lund, Sweden.
EM maria.akesson@geol.lu.se
RI Visser, Ate/G-8826-2012; Purtschert, Roland/N-7108-2016
OI Purtschert, Roland/0000-0002-4734-7664
FU Region Skane; Lansstyrelsen Skane; Swedish Geological Survey; Royal
Physiographic Society in Lund; Geological Field Club of Lund University;
U.S. DOE by LLNL [DE-AC52-07NA27344, LLNL-JRNL-658914]
FX This study was funded by Region Skane, Lansstyrelsen Skane, the Swedish
Geological Survey, participating municipalities and water organisations,
the Royal Physiographic Society in Lund and the Geological Field Club of
Lund University. The authors thank Bryant Jurgens, Peter Cook, Stanley
Smith and two anonymous reviewers for their comments that helped improve
this paper. Part of this work was performed under the auspices of the
U.S. DOE by LLNL under Contract DE-AC52-07NA27344. LLNL-JRNL-658914
NR 63
TC 1
Z9 1
U1 5
U2 20
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-1694
EI 1879-2707
J9 J HYDROL
JI J. Hydrol.
PD SEP
PY 2015
VL 528
BP 217
EP 229
DI 10.1016/j.jhydrol.2015.06.022
PG 13
WC Engineering, Civil; Geosciences, Multidisciplinary; Water Resources
SC Engineering; Geology; Water Resources
GA CO2EG
UT WOS:000358968200019
ER
PT J
AU Panas, RM
Hopkins, JB
AF Panas, Robert M.
Hopkins, Jonathan B.
TI Eliminating Underconstraint in Double Parallelogram Flexure Mechanisms
SO JOURNAL OF MECHANICAL DESIGN
LA English
DT Article
DE dynamics; underconstraint elimination; folded flexure; double
parallelogram flexure; double tilted beam flexure; exact constraint
folded flexure; nested linkage; flexure mechanism
ID COMB-DRIVE ACTUATORS; DEGREE-OF-FREEDOM; SYSTEM CONCEPTS; DESIGN;
COMPENSATION; DISPLACEMENT; SUSPENSION; RANGE
AB We present an improved flexure linkage design for removing underconstraint in a double parallelogram (DP) linear flexural mechanism. This new linkage alleviates many of the problems associated with current linkage design solutions such as static and dynamic performance losses and increased footprint. The improvements of the new linkage design will enable wider adoption of underconstraint eliminating (UE) linkages, especially in the design of linear flexural bearings. Comparisons are provided between the new linkage design and existing UE designs over a range of features including footprint, dynamics, and kinematics. A nested linkage design is shown through finite element analysis (FEA) and experimental measurement to work as predicted in selectively eliminating the underconstrained degrees-of-freedom (DOF) in DP linear flexure bearings. The improved bearing shows an 11 x gain in the resonance frequency and 134 x gain in static stiffness of the underconstrained DOF, as designed. Analytical expressions are presented for designers to calculate the linear performance of the nested UE linkage (average error < 5%). The concept presented in this paper is extended to an analogous double-nested rotary flexure design.
C1 [Panas, Robert M.] Lawrence Livermore Natl Lab, Mat Engn Div, Livermore, CA 94551 USA.
[Hopkins, Jonathan B.] Univ Calif Los Angeles, Mech & Aerosp Engn, Los Angeles, CA 90095 USA.
RP Panas, RM (reprint author), Lawrence Livermore Natl Lab, Mat Engn Div, 7000 East Ave,L-229, Livermore, CA 94551 USA.
EM panas3@llnl.gov; hopkins@seas.ucla.edu
FU Institutional Postdoc Account [31006/12.1.1.A.4]; U.S. Department of
Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344,
LLNL-JRNL-656683]
FX Part of the research for this publication was conducted while at the
Massachusetts Institute of Technology. This work was funded by the
Institutional Postdoc Account (31006/12.1.1.A.4) and performed under the
auspices of the U.S. Department of Energy by Lawrence Livermore National
Laboratory under Contract No. DE-AC52-07NA27344 (LLNL-JRNL-656683). The
authors would like to acknowledge the assistance of Veronica
Szklarzewski and Elizabeth Schanne in collecting the data.
NR 53
TC 3
Z9 3
U1 5
U2 19
PU ASME
PI NEW YORK
PA TWO PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1050-0472
J9 J MECH DESIGN
JI J. Mech. Des.
PD SEP
PY 2015
VL 137
IS 9
AR 092301
DI 10.1115/1.4030773
PG 9
WC Engineering, Mechanical
SC Engineering
GA CO5HU
UT WOS:000359191000004
ER
PT J
AU Lin, QS
Taufour, V
Zhang, YM
Wood, M
Drtina, T
Bud'ko, SL
Canfield, PC
Miller, GJ
AF Lin, Qisheng
Taufour, Valentin
Zhang, Yuemei
Wood, Max
Drtina, Thomas
Bud'ko, Sergey L.
Canfield, Paul C.
Miller, Gordon J.
TI Oxygen trapped by rare earth tetrahedral clusters in Nd4FeOS6: Crystal
structure, electronic structure, and magnetic properties
SO JOURNAL OF SOLID STATE CHEMISTRY
LA English
DT Article
DE Crystal growth; Crystallography; Structure; Magnetism; Electronic
structure
ID SPIN-EXCHANGE INTERACTIONS; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE
METHOD; INTERMETALLIC COMPOUNDS; 3D-4F COMPOUNDS; BASIS-SET; LA; CE; SM;
CHALCOGENIDES
AB Single crystals of Nd4FeOS6 were grown from an Fe-S eutectic solution. Single crystal X-ray diffraction analysis revealed a Nd4MnOSe6-type structure (P6(3)mc, a=9.2693(1) angstrom, c=6.6650(1)angstrom, V=495.94(1) angstrom(3), Z=2), featuring parallel chains of face-sharing [FeS6x1/2](4-) trigonal antiprisms and interlinked [Nd4OS3](4+) cubane-like clusters. Oxygen atoms were found to be trapped by Nd-4 clusters in the [Nd4OS3](4+) chains. Structural differences among Nd4MnOSe6-type Nd4FeOS6 and the related La3CuSiS7- and Pr8CoGa3-type structures have been described. Magnetic susceptibility measurements on Nd4FeOS6 suggested the dominance of antiferromagnetic interactions at low temperature, but no magnetic ordering down to 2 K was observed. Spin-polarized electronic structure calculations revealed magnetic frustration with dominant antiferromagnetic interactions. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Lin, Qisheng; Taufour, Valentin; Wood, Max; Drtina, Thomas; Bud'ko, Sergey L.; Canfield, Paul C.; Miller, Gordon J.] US DOE, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
[Taufour, Valentin; Wood, Max; Drtina, Thomas; Bud'ko, Sergey L.; Canfield, Paul C.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Zhang, Yuemei; Miller, Gordon J.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
RP Lin, QS (reprint author), US DOE, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
EM qslin@ameslab.gov
RI Zhang, Yuemei/H-7370-2012
FU Critical Materials Institute, Energy Innovation Hub - U.S. Department of
Energy (DOE), Office of Energy Efficiency and Renewable Energy, Advanced
Manufacturing Office; Office of the Basic Energy Sciences, Materials
Sciences Division, U.S. DOE; DOE [DE-AC02-07CH11358]; National Science
Foundation [DMR-12-09135]
FX The crystal growth and magnetic measurements of this research (V.T., M.
W., S.L.B. P.C.C.) was supported by the Critical Materials Institute, an
Energy Innovation Hub funded by the U.S. Department of Energy (DOE),
Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing
Office. The X-ray diffraction work was supported by the Office of the
Basic Energy Sciences, Materials Sciences Division, U.S. DOE. Ames
Laboratory is operated for DOE by Iowa State University under Contract
no. DE-AC02-07CH11358. The theoretical investigation was supported by
the National Science Foundation under award DMR-12-09135.
NR 50
TC 1
Z9 1
U1 4
U2 26
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0022-4596
EI 1095-726X
J9 J SOLID STATE CHEM
JI J. Solid State Chem.
PD SEP
PY 2015
VL 229
BP 41
EP 48
DI 10.1016/j.jssc.2015.05.020
PG 8
WC Chemistry, Inorganic & Nuclear; Chemistry, Physical
SC Chemistry
GA CO0BM
UT WOS:000358815100006
ER
PT J
AU Cahill, JF
Kertesz, V
Ovchinnikova, OS
Van Berkel, GJ
AF Cahill, John F.
Kertesz, Vilmos
Ovchinnikova, Olga S.
Van Berkel, Gary J.
TI Comparison of Internal Energy Distributions of Ions Created by
Electrospray Ionization and Laser Ablation-Liquid Vortex
Capture/Electrospray Ionization
SO JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
LA English
DT Article
DE Laser ablation; Liquid capture; Electrospray ionization; Thermometer
ions; Internal energy; Surface sampling; Mass spectrometry imaging
ID MASS-SPECTROMETRY; THERMOMETER IONS; ATMOSPHERIC-PRESSURE;
DESORPTION/IONIZATION; DISSOCIATION; NANOELECTROSPRAY; FRAGMENTATION;
CALIBRATION; ACTIVATION; DEPOSITION
AB Recently a number of techniques have combined laser ablation with liquid capture for mass spectrometry spot sampling and imaging applications. The newly developed noncontact liquid-vortex capture probe has been used to efficiently collect material ablated by a 355 nm UV laser in a continuous flow solvent stream in which the captured material dissolves and then undergoes electrospray ionization. This sampling and ionization approach has produced what appears to be classic electrospray ionization spectra; however, the 'softness' of this sampling/ionization process versus simple electrospray ionization has not been definitely determined. In this work, a series of benzylpyridinium salts were employed as thermometer ions to compare internal energy distributions between electrospray ionization and the UV laser ablation/liquid-vortex capture probe electrospray combination. Measured internal energy distributions were identical between the two techniques, even with differences in laser fluence (0.7-3.1 J cm(-2)) and when using UV-absorbing or non-UV-absorbing sample substrates. These data, along with results from the analysis the biological molecules bradykinin and angiotensin III indicated that the ions or their fragments formed directly by UV laser ablation that survive the liquid capture/electrospray ionization process were likely to be an extremely small component of the total ion signal observed. Instead, the preponderate neutral molecules, clusters, and particulates ejected from the surface during laser ablation, subsequently captured and dissolved in the flowing solvent stream, then electrosprayed, were the principal source of the ion signal observed. Thus, the electrospray ionization process used controls the overall 'softness' of this technique.
C1 [Cahill, John F.; Kertesz, Vilmos; Ovchinnikova, Olga S.; Van Berkel, Gary J.] Oak Ridge Natl Lab, Div Chem Sci, Organ & Biol Mass Spectrometry Grp, Oak Ridge, TN 37831 USA.
RP Van Berkel, GJ (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Organ & Biol Mass Spectrometry Grp, Oak Ridge, TN 37831 USA.
EM vanberkelgj@ornl.gov
RI Kertesz, Vilmos/M-8357-2016;
OI Kertesz, Vilmos/0000-0003-0186-5797; Cahill, John/0000-0002-9866-4010
FU U.S. Department of Energy, Office of Science, Basic Energy Sciences,
Chemical Sciences, Geosciences, and Biosciences Division; Cooperative
Research and Development Agreement [CRADA NFE-10-02-9666]
FX The authors thank Professor Edwin DePauw (Universite de Liege, Belgium),
for providing the benzylpyridinium salts. The AB Sciex 5500 Triple Quad
mass spectrometer used in this work was provided on loan through a
Cooperative Research and Development Agreement (CRADA NFE-10-02-9666)
with AB Sciex. This research was supported by the U.S. Department of
Energy, Office of Science, Basic Energy Sciences, Chemical Sciences,
Geosciences, and Biosciences Division.
NR 36
TC 4
Z9 4
U1 15
U2 29
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1044-0305
EI 1879-1123
J9 J AM SOC MASS SPECTR
JI J. Am. Soc. Mass Spectrom.
PD SEP
PY 2015
VL 26
IS 9
BP 1462
EP 1468
DI 10.1007/s13361-015-1195-x
PG 7
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry,
Physical; Spectroscopy
SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy
GA CO3IW
UT WOS:000359051500004
PM 26115968
ER
PT J
AU Zarzana, CA
Groenewold, GS
Benson, MT
Delmore, J
Tsuda, T
Hagiwara, R
AF Zarzana, Christopher A.
Groenewold, Gary S.
Benson, Michael T.
Delmore, James
Tsuda, Tetsuya
Hagiwara, Rika
TI Iron Fluoroanions and Their Clusters by Electrospray Ionization of a
Fluorinating Ionic Liquid
SO JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
LA English
DT Article
DE Ionic liquid; Fluoroanion; Electrospray; Fluorohydrogenate; Isotope
ratio
ID ABSORPTION FINE-STRUCTURE; MASS-SPECTROMETRY; PHYSICOCHEMICAL
PROPERTIES; 1-ETHYL-3-METHYLIMIDAZOLIUM BIFLUORIDE; STRUCTURAL
CHARACTERISTICS; COMPLEX FLUOROANIONS; MOLTEN-SALTS; CATIONS; ANIONS;
HEXAFLUOROPHOSPHATE
AB Metal fluoroanions are of significant interest for fundamental structure and reactivity studies and for making isotope ratio measurements that are free from isobaric overlap. Iron fluoroanions [FeF4](-) and [FeF3](-) were generated by electrospray ionization of solutions of Fe(III) and Fe(II) with the fluorinating ionic liquid 1-ethyl-3-methylimidazolium fluorohydrogenate [EMIm](+)[F(HF)(2.3)](-). Solutions containing Fe(III) salts produce predominately uncomplexed [FeF4](-) in the negative ion spectrum, as do solutions containing salts of Fe(II). This behavior contrasts with that of solutions of FeCl3 and FeCl2 (without [EMIm](+)[F(HF)(2.3)](-)) that preserve the solution-phase oxidation state by producing the gas-phase halide complexes [FeCl4](-) and [FeCl3](-), respectively. Thus, the electrospray-[EMIm](+)[F(HF)(2.3)](-) process is oxidative with respect to Fe(II). The positive ion spectra of Fe with [EMIm](+)[F(HF)(2.3)](-) displays cluster ions having the general formula [EMIm](+) ((n+1))[FeF4](-) (n), and DFT calculations predict stable complexes, both of which substantiate the conclusion that [FeF4](-) is present in solution stabilized by the imidazolium cation. The negative ion ESI mass spectrum of the Fe-ionic liquid solution has a very low background in the region of the [FeF4](-) complex, and isotope ratios measured for both [FeF4](-) and adventitious [SiF5](-) produced values in close agreement with theoretical values; this suggests that very wide isotope ratio measurements should be attainable with good accuracy and precision when the ion formation scheme is implemented on a dedicated isotope ratio mass spectrometer.
C1 [Zarzana, Christopher A.; Groenewold, Gary S.; Benson, Michael T.; Delmore, James] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Tsuda, Tetsuya] Osaka Univ, Grad Sch Engn, Dept Appl Chem, Osaka, Japan.
[Hagiwara, Rika] Kyoto Univ, Grad Sch Energy Sci, Dept Fundamental Energy Sci, Kyoto, Japan.
RP Groenewold, GS (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
EM gary.groenewold@inl.gov
RI Benson, Michael/B-8855-2017; Tsuda, Tetsuya/F-7234-2014
OI Benson, Michael/0000-0003-4927-614X; Tsuda, Tetsuya/0000-0001-9462-8066
NR 64
TC 0
Z9 0
U1 5
U2 39
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1044-0305
EI 1879-1123
J9 J AM SOC MASS SPECTR
JI J. Am. Soc. Mass Spectrom.
PD SEP
PY 2015
VL 26
IS 9
BP 1559
EP 1569
DI 10.1007/s13361-015-1160-8
PG 11
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry,
Physical; Spectroscopy
SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy
GA CO3IW
UT WOS:000359051500014
PM 25953491
ER
PT J
AU Carpenter, JS
Beese, AM
Bourell, DL
Hamilton, RF
Mishra, R
Sears, J
AF Carpenter, John S.
Beese, Allison M.
Bourell, David L.
Hamilton, Reginald F.
Mishra, Rajiv
Sears, James
TI Additive Manufacturing: Interrelationships of Fabrication, Constitutive
Relationships Targeting Performance, and Feedback to Process Control
Foreword
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Editorial Material
C1 [Carpenter, John S.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
[Beese, Allison M.; Hamilton, Reginald F.] Penn State Univ, State Coll, PA USA.
[Bourell, David L.] Univ Texas Austin, Austin, TX 78712 USA.
[Mishra, Rajiv] Univ N Texas, Denton, TX 76203 USA.
[Sears, James] GE Global Res Ctr, Schenectady, NY USA.
RP Carpenter, JS (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
EM carpenter@lanl.gov; amb961@psu.edu; dbourell@mail.utexas.edu;
rfh13@eng.psu.edu; rajiv.mishra@unt.edu; sears@ge.com
RI Mishra, Rajiv/A-7985-2009;
OI Mishra, Rajiv/0000-0002-1699-0614; Carpenter, John/0000-0001-8821-043X
NR 0
TC 0
Z9 0
U1 4
U2 24
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
EI 1543-1940
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD SEP
PY 2015
VL 46A
IS 9
BP 3815
EP 3815
DI 10.1007/s11661-015-3015-0
PG 1
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO1TZ
UT WOS:000358939600007
ER
PT J
AU Yang, Y
Tan, LZ
Busby, JT
AF Yang, Ying
Tan, Lizhen
Busby, Jeremy T.
TI Thermal Stability of Intermetallic Phases in Fe-rich Fe-Cr-Ni-Mo Alloys
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID AUSTENITIC STAINLESS-STEEL; SIGMA-PHASE; DIAGRAM CALCULATION;
PRECIPITATION; SYSTEM; SIMULATION; ENERGY; CREEP
AB Understanding the thermal stability of intermetallic phases in Fe-rich Fe-Cr-Ni-Mo alloys is critical to alloy design and application of Mo-containing austenitic steels. Coupled with thermodynamic modeling, the thermal stability of intermetallic Chi and Laves phases in two Fe-Cr-Ni-Mo alloys was investigated at 1273 K, 1123 K, and 973 K (1000 A degrees C, 850 A degrees C, and 700 A degrees C) for different annealing times. The morphologies, compositions, and crystal structures of the precipitates of the intermetallic phases were carefully examined by scanning electron microscopy, electron probe microanalysis, X-ray diffraction, and transmission electron microscopy. Two key findings resulted from this study. First, the Chi phase is stable at high temperature, and with the decreasing temperature it transforms into the Laves phase that is stable at low temperature. Secondly, Cr, Mo, and Ni are soluble in both the Chi and Laves phases, with the solubility of Mo playing a major role in the relative stability of the intermetallic phases. The thermodynamic models that were developed were then applied to evaluating the effect of Mo on the thermal stability of intermetallic phases in type 316 and NF709 stainless steels.
C1 [Yang, Ying; Tan, Lizhen] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
[Busby, Jeremy T.] Oak Ridge Natl Lab, Fuel Cycle & Isotopes Div, Oak Ridge, TN 37831 USA.
RP Yang, Y (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
EM yangying@ornl.gov
RI Tan, Lizhen/A-7886-2009; Yang, Ying/E-5542-2017
OI Tan, Lizhen/0000-0002-3418-2450; Yang, Ying/0000-0001-6480-2254
FU U.S. Department of Energy (DOE), Office of Nuclear Energy, Nuclear
Engineering Enabling Technology (NEET) Advanced Reactor Material Program
and Light Water Reactor Sustainability Research and Development Effort
[DE-AC05-00OR22725]; UT-Battelle, LLC
FX This research was supported by the U.S. Department of Energy (DOE),
Office of Nuclear Energy, Nuclear Engineering Enabling Technology (NEET)
Advanced Reactor Material Program and Light Water Reactor Sustainability
Research and Development Effort, under contract DE-AC05-00OR22725 with
UT-Battelle, LLC.
NR 27
TC 0
Z9 0
U1 1
U2 20
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
EI 1543-1940
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD SEP
PY 2015
VL 46A
IS 9
BP 3900
EP 3908
DI 10.1007/s11661-015-2997-y
PG 9
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO1TZ
UT WOS:000358939600017
ER
PT J
AU Lee, SJ
Clarke, KD
AF Lee, Seok-Jae
Clarke, Kester D.
TI A Quantitative Investigation of Cementite Dissolution Kinetics for
Continuous Heating of Hypereutectoid Steel
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID MARTENSITE START TEMPERATURE; AUSTENITE; CR; ALLOY; TRANSFORMATION
AB Cementite dissolution kinetics in austenite was investigated in a hypereutectoid steel alloy during continuous heating. The quantitative change in cementite volume fraction as a function of thermal history was determined from dilation curves by using the martensite start temperature to calculate prior austenite carbon content. Two characteristics of the cementite dissolution kinetics were found: (1) the cementite dissolution rate increased with time regardless of heating rate due to the increased surface area of cementite particles, and (2) the rate of cementite dissolution was strongly affected by heating rate. An empirical equation combining the effects of cementite volume change and heating rate is proposed to describe cementite dissolution kinetics. A continuous heating transformation diagram for hypereutectoid steels was obtained and compared with the DICTRA simulations and metallographic analyses.
C1 [Lee, Seok-Jae] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, South Korea.
[Clarke, Kester D.] Los Alamos Natl Lab, Mat Sci & Technol Met MST Div 6, Los Alamos, NM 87545 USA.
RP Lee, SJ (reprint author), Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, South Korea.
EM kclarke@lanl.gov
RI Clarke, Kester/R-9976-2016
FU Advanced Steel Processing and Products Research Center at the Colorado
School of Mines (CSM); Los Alamos National Security, LLC
[DE-AC52-06NA25396]; United States Department of Energy
FX The support of the Advanced Steel Processing and Products Research
Center at the Colorado School of Mines (CSM) is gratefully acknowledged.
KDC gratefully acknowledges support from Los Alamos National Security,
LLC, operator of the Los Alamos National Laboratory under Contract No.
DE-AC52-06NA25396 with the United States Department of Energy. The
authors are thankful to Professor C.J. Van Tyne, CSM, for helpful
discussions. Sincere thanks to E. Buddy Damm and the Timken Company for
supplying the material for this study and performing the initial
condition heat treatments. We also thank C.J. Vigil and R.E. Hackenberg,
Los Alamos National Laboratory, for use of the dilatometer, and would
like to acknowledge Ingo Kurth, Avanel Industries, Inc., for helpful
dilatometry discussions.
NR 16
TC 2
Z9 2
U1 1
U2 3
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
EI 1543-1940
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD SEP
PY 2015
VL 46A
IS 9
BP 3917
EP 3923
DI 10.1007/s11661-015-2995-0
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO1TZ
UT WOS:000358939600019
ER
PT J
AU Zhang, H
Geng, J
Ott, RT
Besser, MF
Kramer, MJ
AF Zhang, Huan
Geng, Jie
Ott, Ryan T.
Besser, Matthew F.
Kramer, Matthew J.
TI Effect of Temperature on the Nano/Microstructure and Mechanical Behavior
of Nanotwinned Ag Films
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID THIN-FILMS; ULTRAHIGH-STRENGTH; GRAIN ROTATION; COPPER; NANOSCALE;
BOUNDARIES; STRAIN; SIZE; CU
AB In situ and ex situ annealed nanotwinned (NT) Ag thin films have been investigated by TEM and tensile testing to reveal the thermal stability of the twin boundaries, grain boundaries, dislocation densities, and their respective influence of the macroscopic yield stress. The NT Ag films synthesized by magnetron sputtering form both coherent (CTB, I 3{111}) pound and incoherent (ITB, I 3{112}) pound twin boundaries that are thermally stable up to 473 K (200 A degrees C), i.e., no obvious changes in grain size, twin spacing, and yield stress. In situ TEM observations show the dislocations become mobile at 453 K (180 A degrees C) resulting in dislocation annihilation primarily at twin and grain boundaries. Rotation of grains with low-angle grain boundaries was observed during in situ heating, resulting in the growth of columnar grains above 453 K (180 A degrees C). However, no noticeable changes in the spacings of CTBs were observed during the entire in situ and the ex situ annealing [up to 873 K (600 A degrees C)]. The increase in grain size and concomitant decrease in yield stress following annealing at various temperatures can be described by the Hall-Petch relationship, demonstrating that grain size rather than twin spacing is most sensitive to thermal annealing and plays a dominant role in the deformation of NT Ag films.
C1 [Zhang, Huan; Geng, Jie; Ott, Ryan T.; Besser, Matthew F.; Kramer, Matthew J.] Iowa State Univ, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
RP Zhang, H (reprint author), Iowa State Univ, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
EM mjkramer@ameslab.gov
RI Geng, Jie/B-8899-2009
OI Geng, Jie/0000-0003-0422-0230
FU U.S. Department of Energy (DOE), Office of Science, Basic Energy
Sciences, Materials Science and Engineering Division; U.S. DOE
[DE-AC02-07CH11358]
FX This work was supported by the U.S. Department of Energy (DOE), Office
of Science, Basic Energy Sciences, Materials Science and Engineering
Division. The research was performed at the Ames Laboratory, which is
operated for the U.S. DOE by Iowa State University under contract #
DE-AC02-07CH11358.
NR 33
TC 6
Z9 6
U1 7
U2 31
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
EI 1543-1940
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD SEP
PY 2015
VL 46A
IS 9
BP 4078
EP 4085
DI 10.1007/s11661-015-3028-8
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CO1TZ
UT WOS:000358939600034
ER
PT J
AU Kovacs, E
Das, R
Wang, Q
Collier, TS
Cantor, A
Huang, YJ
Wong, K
Mirza, A
Barros, T
Grob, P
Jura, N
Bose, R
Kuriyan, J
AF Kovacs, Erika
Das, Rahul
Wang, Qi
Collier, Timothy S.
Cantor, Aaron
Huang, Yongjian
Wong, Kathryn
Mirza, Amar
Barros, Tiago
Grob, Patricia
Jura, Natalia
Bose, Ron
Kuriyan, John
TI Analysis of the Role of the C-Terminal Tail in the Regulation of the
Epidermal Growth Factor Receptor
SO MOLECULAR AND CELLULAR BIOLOGY
LA English
DT Article
ID EGF RECEPTOR; JUXTAMEMBRANE REGION; TRANSMEMBRANE DOMAIN;
MOLECULAR-DYNAMICS; CRYSTAL-STRUCTURE; ONCOGENIC FORMS; KINASE DOMAIN;
ACTIVATION; MECHANISM; DIMERIZATION
AB The similar to 230-residue C-terminal tail of the epidermal growth factor receptor (EGFR) is phosphorylated upon activation. We examined whether this phosphorylation is affected by deletions within the tail and whether the two tails in the asymmetric active EGFR dimer are phosphorylated differently. We monitored autophosphorylation in cells using flow cytometry and found that the first similar to 80 residues of the tail are inhibitory, as demonstrated previously. The entire similar to 80-residue span is important for autoinhibition and needs to be released from both kinases that form the dimer. These results are interpreted in terms of crystal structures of the inactive kinase domain, including two new ones presented here. Deletions in the remaining portion of the tail do not affect autophosphorylation, except for a six-residue segment spanning Tyr 1086 that is critical for activation loop phosphorylation. Phosphorylation of the two tails in the dimer is asymmetric, with the activator tail being phosphorylated somewhat more strongly. Unexpectedly, we found that reconstitution of the transmembrane and cytoplasmic domains of EGFR in vesicles leads to a peculiar phenomenon in which kinase domains appear to be trapped between stacks of lipid bilayers. This artifactual trapping of kinases between membranes enhances an intrinsic functional asymmetry in the two tails in a dimer.
C1 [Kovacs, Erika; Das, Rahul; Wang, Qi; Cantor, Aaron; Huang, Yongjian; Wong, Kathryn; Barros, Tiago; Grob, Patricia; Kuriyan, John] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Kovacs, Erika; Das, Rahul; Wang, Qi; Cantor, Aaron; Huang, Yongjian; Wong, Kathryn; Barros, Tiago; Kuriyan, John] Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA.
[Kovacs, Erika; Das, Rahul; Wang, Qi; Cantor, Aaron; Huang, Yongjian; Wong, Kathryn; Mirza, Amar; Barros, Tiago; Grob, Patricia; Kuriyan, John] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Kuriyan, John] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Kuriyan, John] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Collier, Timothy S.; Bose, Ron] Washington Univ, Sch Med, Dept Med, St Louis, MO 63110 USA.
[Jura, Natalia] Univ Calif San Francisco, Cardiovasc Res Inst, San Francisco, CA 94143 USA.
[Jura, Natalia] Univ Calif San Francisco, Dept Cellular & Mol Pharmacol, San Francisco, CA 94143 USA.
RP Kuriyan, J (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA.
EM kuriyan@berkeley.edu
OI Barros, Tiago/0000-0002-9807-7625
FU National Center for Research Resources of the NIH [2P41RR000954]; NIH
[R01CA161001]; NIH T32 training grant [2T32HL007088-36]; National Cancer
Institute [2R01CA09650406]
FX Mass spectrometer instrument support was provided by the National Center
for Research Resources of the NIH (grant 2P41RR000954 to M.L. Gross).
Ron Bose is supported by NIH grant R01CA161001. T.S.C. is supported by
NIH T32 training grant 2T32HL007088-36. This work was partially
supported by a grant from the National Cancer Institute to J.K. (grant
2R01CA09650406).
NR 50
TC 6
Z9 6
U1 5
U2 11
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0270-7306
EI 1098-5549
J9 MOL CELL BIOL
JI Mol. Cell. Biol.
PD SEP
PY 2015
VL 35
IS 17
BP 3083
EP 3102
DI 10.1128/MCB.00248-15
PG 20
WC Biochemistry & Molecular Biology; Cell Biology
SC Biochemistry & Molecular Biology; Cell Biology
GA CO1TV
UT WOS:000358939200015
PM 26124280
ER
PT J
AU Xiong, YL
AF Xiong, Yongliang
TI Experimental determination of lead carbonate solubility at high ionic
strengths: a Pitzer model description
SO MONATSHEFTE FUR CHEMIE
LA English
DT Article
DE Lead contamination remediation; Cerussite; Oxidized lead-zinc ore
deposits; Solution chemistry; Nuclear waste management; Waste Isolation
Pilot Plant
ID NUCLEAR-WASTE ISOLATION; TEMPERATURE; SYSTEM; MEDIA
AB In this study, solubility measurements of lead carbonate, PbCO3(cr), cerussite, as a function of total ionic strengths are conducted in the mixtures of NaCl and NaHCO3 up to I = 1.2 mol kg(-1) and in the mixtures of NaHCO3 and Na2CO3 up to I = 5.2 mol kg(-1), at room temperature (22.5 +/- A 0.5 A degrees C). The solubility constant (log K (s) (o) ) for cerussite was determined as -13.76 +/- A 0.15 (2 sigma) with a set of Pitzer parameters describing the specific interactions of PbCO3(aq), , and Pb(CO3)Cl- with the bulk-supporting electrolytes, based on the Pitzer model. The model developed in this work can reproduce the experimental results including model-independent solubility values from the literature over a wide range of ionic strengths with satisfactory accuracy. The model is expected to find applications in numerous fields, including the accurate description of chemical behavior of lead in geological repositories, the modeling of formation of oxidized Pb-Zn ore deposits, and the environmental remediation of lead contamination.
C1 Sandia Natl Labs, Carlsbad Programs Grp, Carlsbad, NM 88220 USA.
RP Xiong, YL (reprint author), Sandia Natl Labs, Carlsbad Programs Grp, 4100 Natl Parks Highway, Carlsbad, NM 88220 USA.
EM yxiong@sandia.gov
FU WIPP
FX This research is funded by WIPP programs administered by the Office of
Environmental Management (EM) of the U.S Department of Energy. The
author is grateful to Leslie Kirkes and Terry Westfall for their major
efforts in the data acquisition. The laboratory assistance from Diana
Goulding, Brittany Hoard, Cassandra Marrs, Rachael Roselle, Tana Saul,
and Kira Vicent is gratefully acknowledged. The author wishes to express
his gratitude to two journal reviewers for their insightful and thorough
reviews, and to Dr. Heinz Gamsjager, the Associate Editor, for his
editorial efforts.
NR 17
TC 0
Z9 0
U1 4
U2 15
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0026-9247
EI 1434-4475
J9 MONATSH CHEM
JI Mon. Chem.
PD SEP
PY 2015
VL 146
IS 9
BP 1433
EP 1443
DI 10.1007/s00706-015-1483-y
PG 11
WC Chemistry, Multidisciplinary
SC Chemistry
GA CO6ND
UT WOS:000359272500008
ER
PT J
AU Goldberg, N
Leyffer, S
Safro, I
AF Goldberg, Noam
Leyffer, Sven
Safro, Ilya
TI Optimal response to epidemics and cyber attacks in networks
SO NETWORKS
LA English
DT Article
DE nonlinear integer programming; cutting planes; network optimization;
probability bounds; cybersecurity; epidemiology
ID COVER INEQUALITIES; KNAPSACK CONSTRAINTS; PROBABILITY; SEPARATION;
POLYTOPE; FACETS; BOUNDS
AB This article introduces novel formulations for optimally responding to epidemics and cyber attacks in networks. In our models, at a given time period, network nodes (e.g., users or computing resources) are associated with probabilities of being infected, and each network edge is associated with some probability of propagating the infection. A decision maker would like to maximize the network's utility; keeping as many nodes open as possible, while satisfying given bounds on the probabilities of nodes being infected in the next time period. The model's relation to previous deterministic optimization models and to both probabilistic and deterministic asymptotic models is explored. Initially, maintaining the stochastic independence assumption of previous work, we formulate a nonlinear integer program with high-order multilinear terms. We then propose a quadratic formulation that provides a lower bound and feasible solution to the original problem. Further motivation for the quadratic model is given by showing that it alleviates the assumption of stochastic independence. The quadratic formulation is then linearized in order to be solved by standard integer programming solvers. We develop valid inequalities for the resulting formulations. (c) 2015 Wiley Periodicals, Inc.
C1 [Goldberg, Noam] Bar Ilan Univ, Dept Management, IL-52900 Ramat Gan, Israel.
[Leyffer, Sven] Argonne Natl Lab, MCS Div, Argonne, IL 60439 USA.
[Safro, Ilya] Clemson Univ, Dept Comp Sci, Clemson, SC 29634 USA.
RP Goldberg, N (reprint author), Bar Ilan Univ, Dept Management, IL-52900 Ramat Gan, Israel.
EM noam.goldberg@biu.ac.il
FU Argonne, U.S. Department of Energy Office of Science laboratory
[DE-AC02-06CH11357]
FX The submitted manuscript has been created by UChicago Argonne, LLC,
Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S.
Department of Energy Office of Science laboratory, is operated under
Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself,
and others acting on its behalf, a paid-up nonexclusive, irrevocable
worldwide license in said article to reproduce, prepare derivative
works, distribute copies to the public, and perform publicly and display
publicly, by or on behalf of the Government.
NR 29
TC 1
Z9 1
U1 1
U2 6
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0028-3045
EI 1097-0037
J9 NETWORKS
JI Networks
PD SEP
PY 2015
VL 66
IS 2
BP 145
EP 158
DI 10.1002/net.21619
PG 14
WC Computer Science, Hardware & Architecture; Operations Research &
Management Science
SC Computer Science; Operations Research & Management Science
GA CO7YD
UT WOS:000359378600007
ER
PT J
AU Moyes, AB
Germino, MJ
Kueppers, LM
AF Moyes, Andrew B.
Germino, Matthew J.
Kueppers, Lara M.
TI Moisture rivals temperature in limiting photosynthesis by trees
establishing beyond their cold-edge range limit under ambient and warmed
conditions
SO NEW PHYTOLOGIST
LA English
DT Article
DE abiotic stress; alpine treeline; microclimate; photoinhibition; source
limitation; species distribution; water potential
ID FREEZE-THAW CYCLES; CLIMATE-CHANGE; PINUS-FLEXILIS; SCOTS PINE;
PHOTOCHEMICAL EFFICIENCY; SEASONAL-VARIATION; STRESSED CONIFERS; ALPINE
TIMBERLINE; SOIL-TEMPERATURE; WARMING CLIMATE
AB Climate change is altering plant species distributions globally, and warming is expected to promote uphill shifts in mountain trees. However, at many cold-edge range limits, such as alpine treelines in the western United States, tree establishment may be colimited by low temperature and low moisture, making recruitment patterns with warming difficult to predict. We measured response functions linking carbon (C) assimilation and temperature- and moisture-related microclimatic factors for limber pine (Pinus flexilis) seedlings growing in a heatingxwatering experiment within and above the alpine treeline. We then extrapolated these response functions using observed microclimate conditions to estimate the net effects of warming and associated soil drying on C assimilation across an entire growing season. Moisture and temperature limitations were each estimated to reduce potential growing season C gain from a theoretical upper limit by 15-30% (c. 50% combined). Warming above current treeline conditions provided relatively little benefit to modeled net assimilation, whereas assimilation was sensitive to either wetter or drier conditions. Summer precipitation may be at least as important as temperature in constraining C gain by establishing subalpine trees at and above current alpine treelines as seasonally dry subalpine and alpine ecosystems continue to warm.
C1 [Moyes, Andrew B.; Kueppers, Lara M.] Univ Calif Merced, Sch Nat Sci, Merced, CA 95340 USA.
[Germino, Matthew J.] US Geol Survey, Forest & Rangeland Ecosyst Sci Ctr, Boise, ID 83706 USA.
[Kueppers, Lara M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Moyes, AB (reprint author), Univ Calif Merced, Sch Nat Sci, 5200 North Lake Rd, Merced, CA 95340 USA.
EM abmoyes@berkeley.edu
RI Kueppers, Lara/M-8323-2013; Moyes, Andrew/J-3339-2016
OI Kueppers, Lara/0000-0002-8134-3579; Moyes, Andrew/0000-0002-9137-8118
FU Office of Science (BER), US Department of Energy; US Geological Survey
Environments Program
FX This research was supported by the Office of Science (BER), US
Department of Energy. Support for M.J.G. was also provided by the US
Geological Survey Environments Program. We thank the Mountain Research
Station and Niwot Ridge LTER at the University of Colorado, Boulder, for
logistical support. Thanks to E. Brown, C. Castanha, N. Goodby, and M.
Koontz for field assistance, and to C. Castanha, M. Fernandez, M. Jabis,
B. Lazarus, Y. Lu, K. Lubetkin, K. Reinhardt, D. Winkler, and two
anonymous reviewers for helpful feedback on earlier drafts. We thank
Peter B. Nagy for help with statistical analysis. Any use of trade,
firm, or product names is for descriptive purposes only and does not
imply endorsement by the US government.
NR 58
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Z9 5
U1 6
U2 70
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0028-646X
EI 1469-8137
J9 NEW PHYTOL
JI New Phytol.
PD SEP
PY 2015
VL 207
IS 4
BP 1005
EP 1014
DI 10.1111/nph.13422
PG 10
WC Plant Sciences
SC Plant Sciences
GA CO2DP
UT WOS:000358965800011
PM 25902893
ER
PT J
AU Fu, GS
Zuo, L
Lian, J
Wang, YQ
Chen, J
Jon, LT
Xiao, ZG
AF Fu, Gaosheng
Zuo, Lei
Lian, Jie
Wang, Yongqiang
Chen, Jie
Jon Longtin
Xiao, Zhigang
TI Ion beam irradiation effect on thermoelectric properties of Bi2Te3 and
Sb2Te3 thin films
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM
INTERACTIONS WITH MATERIALS AND ATOMS
LA English
DT Article
DE Thermoelectric; Ion beam radiation; Bismuth telluride; Antimony
telluride; Thin film
ID BOMBARDMENT; TEMPERATURE
AB Thermoelectric energy harvesting is a very promising application in nuclear power plants for self-maintained wireless sensors. However, the effects of intensive radiation on the performance of thermoelectric materials under relevant reactor environments such as energetic neutrons are not fully understood. In this work, radiation effects of bismuth telluride (Bi2Te3) and antimony telluride (Sb2Te3) thermoelectric thin film samples prepared by E-beam evaporation are investigated using Ne2+ ion irradiations at different fluences of 5 x 10(14), 10(15), 5 x 10(15) and 10(16) ions/cm(2) with the focus on the transport and structural properties. Electrical conductivities, Seebeck coefficients and power factors are characterized as ion fluence changes. X-ray diffraction (XRD) and transmission electron microscopy (TEM) of the samples are obtained to assess how phase and microstructure influence the transport properties. Carrier concentration and Hall mobility are obtained from Hall effect measurements, which provide further insight into the electrical conductivity and Seebeck coefficient mechanisms. Positive effects of ion irradiations from Ne2+ on thermoelectric material property are observed to increase the power factor to 208% for Bi2Te3 and 337% for Sb2Te3 materials between fluence of 1 and 5 x 10(15) cm(2), due to the increasing of the electrical conductivity as a result of ionization radiation-enhanced crystallinity. However, under a higher fluence, 5 x 1015 cm2 in this case, the power factor starts to decrease accordingly, limiting the enhancements of thermoelectric materials properties under intensive radiation environment. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Fu, Gaosheng; Zuo, Lei; Jon Longtin] SUNY Stony Brook, Dept Mech Engn, Stony Brook, NY 11794 USA.
[Zuo, Lei; Chen, Jie] Virginia Tech, Dept Mech Engn, Blacksburg, VA 24061 USA.
[Lian, Jie] Rensselaer Polytech Inst, Dept Mech Aerosp & Nucl Engn, Troy, NY 12180 USA.
[Wang, Yongqiang] Los Alamos Natl Lab, Mat Sci & Technol Div, Los Alamos, NM 87544 USA.
[Xiao, Zhigang] Alabama A&M Univ, Dept Elect Engn, Normal, AL 35752 USA.
RP Zuo, L (reprint author), SUNY Stony Brook, Dept Mech Engn, Stony Brook, NY 11794 USA.
EM leizuo@vt.edu
RI Zuo, Lei/B-3122-2017
FU DOE Nuclear Engineering University Program [CFP-13-5479, CFP-12-3331];
National Science Foundation [1048744, 1151028]; U.S. Department of
Energy, Office of Basic Energy Sciences [DE-AC02-98CH10886]; CINT
(Center for Integrated Nanotechnologies) [C2013B0055]
FX The authors gratefully acknowledge financial supports from the DOE
Nuclear Engineering University Program CFP-13-5479, CFP-12-3331 and
National Science Foundation under the awards CBET #1048744 and DMR
#1151028. Research carried out in part at the Center for Functional
Nanomaterials, Brookhaven National Laboratory, which is supported by the
U.S. Department of Energy, Office of Basic Energy Sciences, under
Contract No. DE-AC02-98CH10886. Ion beam irradiation was conducted at
ion beam lab at Los Alamos National Laboratory under the support of a
CINT (Center for Integrated Nanotechnologies) user proposal
(#C2013B0055). The authors wish to thank Dr. Ming Lu, Dr. Xiaoya Shi,
Dr. Fernando Camino, Dr. Kim Kisslinger and Mr. James Kierstead from
Brookhaven National Laboratory and Mr. Shuyu Wang and Mr. Shifeng Yu
from Stony Brook University for help in characterizing the samples.
Special thanks go to Dr. Richard Gambino and Dr. Daryush Ila for the
insightful discussions.
NR 17
TC 1
Z9 1
U1 5
U2 47
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-583X
EI 1872-9584
J9 NUCL INSTRUM METH B
JI Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms
PD SEP 1
PY 2015
VL 358
BP 229
EP 235
DI 10.1016/j.nimb.2015.06.039
PG 7
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Atomic, Molecular & Chemical; Physics, Nuclear
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA CO5AA
UT WOS:000359170800036
ER
PT J
AU Hughes, AM
Pozzi, ECC
Thorp, SI
Curotto, P
Medina, VA
Lamas, DJM
Rivera, ES
Garabalino, MA
Farias, RO
Gonzalez, SJ
Heber, EM
Itoiz, ME
Aromando, RF
Nigg, DW
Trivillin, VA
Schwint, AE
AF Monti Hughes, A.
Pozzi, E. C. C.
Thorp, S. I.
Curotto, P.
Medina, V. A.
Martinel Lamas, D. J.
Rivera, E. S.
Garabalino, M. A.
Farias, R. O.
Gonzalez, S. J.
Heber, E. M.
Itoiz, M. E.
Aromando, R. F.
Nigg, D. W.
Trivillin, V. A.
Schwint, A. E.
TI Histamine reduces boron neutron capture therapy-induced mucositis in an
oral precancer model
SO ORAL DISEASES
LA English
DT Article
DE boron neutron capture therapy; BNCT; oral cancer; hamster cheek pouch
precancer model; mucositis; radioprotector
ID HAMSTER-CHEEK POUCH; SQUAMOUS-CELL CARCINOMA; CANCER MODEL; H-4
RECEPTOR; BNCT; EFFICACY; MECHANISMS; DIHYDROCHLORIDE; RADIOBIOLOGY;
MALIGNANCIES
AB ObjectivesSearching for more effective and selective therapies for head and neck cancer, we demonstrated the therapeutic effect of boron neutron capture therapy (BNCT) to treat oral cancer and inhibit long-term tumor development from field-cancerized tissue in the hamster cheek pouch model. However, BNCT-induced mucositis in field-cancerized tissue was dose limiting. In a clinical scenario, oral mucositis affects patients' treatment and quality of life. Our aim was to evaluate different radioprotectors, seeking to reduce the incidence of BNCT-induced severe mucositis in field-cancerized tissue.
Materials and MethodsCancerized pouches treated with BNCT mediated by boronophenylalanine at 5Gy were treated as follows: control: saline solution; His(high): histamine 5mgkg(-1); His(low): histamine 1mgkg(-1); and JNJ7777120: 10mgkg(-1).
ResultsHis(low) reduced the incidence of severe mucositis in field-cancerized tissue to 17% vs CONTROL: 55%; His(high): 67%; JNJ7777120: 57%. His(low) was non-toxic and did not compromise the long-term therapeutic effect of BNCT or alter gross boron concentration. Conclusion: Histamine reduces BNCT-induced mucositis in experimental oral precancer without jeopardizing therapeutic efficacy. The fact that both histamine and boronophenylalanine are approved for use in humans bridges the gap between experimental work and potential clinical application to reduce BNCT-induced radiotoxicity in patients with head and neck cancer.
C1 [Monti Hughes, A.; Garabalino, M. A.; Heber, E. M.; Itoiz, M. E.; Trivillin, V. A.; Schwint, A. E.] Natl Atom Energy Commiss, Dept Radiobiol, San Martin, Buenos Aires, Argentina.
[Pozzi, E. C. C.; Curotto, P.] Natl Atom Energy Commiss, Dept Res & Prod Reactors, Ezeiza, Buenos Aires, Argentina.
[Thorp, S. I.] Natl Atom Energy Commiss, Dept Instrumentat & Control, Ezeiza, Buenos Aires, Argentina.
[Medina, V. A.; Martinel Lamas, D. J.; Rivera, E. S.] Univ Buenos Aires, Sch Pharm & Biochem, Radioisotopes Lab, Buenos Aires, DF, Argentina.
[Medina, V. A.; Martinel Lamas, D. J.] Pontifical Catholic Univ Argentina UCA, Inst Biomed Res BIOMED CONICET UCA, Sch Med Sci, Cellular & Mol Biol Lab, Buenos Aires, DF, Argentina.
[Medina, V. A.; Gonzalez, S. J.; Trivillin, V. A.; Schwint, A. E.] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina.
[Farias, R. O.; Gonzalez, S. J.] Natl Atom Energy Commiss, Dept Technol & Applicat Accelerators, San Martin, Buenos Aires, Argentina.
[Itoiz, M. E.; Aromando, R. F.] Univ Buenos Aires, Fac Dent, Dept Oral Pathol, Buenos Aires, DF, Argentina.
[Nigg, D. W.] Idaho Natl Lab, Idaho Falls, ID USA.
RP Schwint, AE (reprint author), Natl Atom Energy Commiss, Dept Radiobiol, Radiat Pathol Div, Ave Gen Paz 1499,B1650KNA, San Martin, Buenos Aires, Argentina.
EM schwint@cnea.gov.ar
FU Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT); Consejo
Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Argentina
FX The work was partially funded by grants from Agencia Nacional de
Promocion Cientifica y Tecnologica (ANPCyT) and Consejo Nacional de
Investigaciones Cientificas y Tecnicas (CONICET), Argentina, and
supported in-kind by Department of Energy (DOE) through Idaho National
Laboratory (INL), USA. JANSSEN kindly provided JNJ7777120. The authors
have no conflict of interest to declare.
NR 51
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Z9 1
U1 0
U2 5
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1354-523X
EI 1601-0825
J9 ORAL DIS
JI Oral Dis.
PD SEP
PY 2015
VL 21
IS 6
BP 770
EP 777
DI 10.1111/odi.12346
PG 8
WC Dentistry, Oral Surgery & Medicine
SC Dentistry, Oral Surgery & Medicine
GA CO7ND
UT WOS:000359345200012
ER
PT J
AU Weston, DJ
Timm, CM
Walker, AP
Gu, LH
Muchero, W
Schmutz, J
Shaw, AJ
Tuskan, GA
Warren, JM
Wullschleger, SD
AF Weston, David J.
Timm, Collin M.
Walker, Anthony P.
Gu, Lianhong
Muchero, Wellington
Schmutz, Jeremy
Shaw, A. Jonathan
Tuskan, Gerald A.
Warren, Jeffrey M.
Wullschleger, Stan D.
TI Sphagnum physiology in the context of changing climate: emergent
influences of genomics, modelling and host-microbiome interactions on
understanding ecosystem function
SO PLANT CELL AND ENVIRONMENT
LA English
DT Review
DE bryophyte; climate change; genetics; nitrogen fixation; mosses;
peatlands
ID PEAT MOSSES SPHAGNUM; INCREASED NITROGEN DEPOSITION; GAS-EXCHANGE
MEASUREMENTS; ELEVATED ATMOSPHERIC CO2; SCALE METABOLIC MODELS; PHILIP
SMITH MOUNTAINS; GENETIC-STRUCTURE; MESOPHYLL CONDUCTANCE;
WATER-CONTENT; TUSSOCK TUNDRA
AB Peatlands harbour more than one-third of terrestrial carbon leading to the argument that the bryophytes, as major components of peatland ecosystems, store more organic carbon in soils than any other collective plant taxa. Plants of the genus Sphagnum are important components of peatland ecosystems and are potentially vulnerable to changing climatic conditions. However, the response of Sphagnum to rising temperatures, elevated CO2 and shifts in local hydrology have yet to be fully characterized. In this review, we examine Sphagnum biology and ecology and explore the role of this group of keystone species and its associated microbiome in carbon and nitrogen cycling using literature review and model simulations. Several issues are highlighted including the consequences of a variable environment on plant-microbiome interactions, uncertainty associated with CO2 diffusion resistances and the relationship between fixed N and that partitioned to the photosynthetic apparatus. We note that the Sphagnum fallax genome is currently being sequenced and outline potential applications of population-level genomics and corresponding plant photosynthesis and microbial metabolic modelling techniques. We highlight Sphagnum as a model organism to explore ecosystem response to a changing climate and to define the role that Sphagnum can play at the intersection of physiology, genetics and functional genomics.
The response of Sphagnum (moss) and its associated microbiome to changing climatic conditions have yet to be fully characterized. Here, we use literature review and a coupled plant - microbe biochemical model to formalize our understanding of the physiological process that ultimately drive these commensal interactions and ecosystem function. We conclude that as dominate members of carbon rich peatland ecosystems, Sphagnum and its microbiome must to studied and integrated across a continuum of genomic to ecological scales.
C1 [Weston, David J.; Timm, Collin M.; Muchero, Wellington; Tuskan, Gerald A.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Walker, Anthony P.; Gu, Lianhong; Warren, Jeffrey M.; Wullschleger, Stan D.] Oak Ridge Natl Lab, Environm Sci Div, Oak Ridge, TN 37831 USA.
[Schmutz, Jeremy] Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN 37831 USA.
[Schmutz, Jeremy] Joint Genome Inst, Dept Energy, Walnut Creek, CA 94598 USA.
[Schmutz, Jeremy] HudsonAlpha Inst Biotechnol, Huntsville, AL 35806 USA.
[Shaw, A. Jonathan] Duke Univ, Dept Biol, Durham, NC 27708 USA.
RP Weston, DJ (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM westondj@ornl.gov
RI Warren, Jeffrey/B-9375-2012; Walker, Anthony/G-2931-2016; Wullschleger,
Stan/B-8297-2012; Tuskan, Gerald/A-6225-2011; Gu, Lianhong/H-8241-2014;
OI Warren, Jeffrey/0000-0002-0680-4697; Walker,
Anthony/0000-0003-0557-5594; Wullschleger, Stan/0000-0002-9869-0446;
Tuskan, Gerald/0000-0003-0106-1289; Gu, Lianhong/0000-0001-5756-8738;
muchero, wellington/0000-0002-0200-9856
FU U.S. Department of Energy, Office of Science, Biological and
Environmental Research; US Department of Energy [DE-AC05-00OR22725]
FX We are grateful for the insightful comments from Dr Paul Hanson and
anonymous reviewers. The research was sponsored by the U.S. Department
of Energy, Office of Science, Biological and Environmental Research. Oak
Ridge National Laboratory is managed by UT-Battelle, LLC, for the US
Department of Energy under contract DE-AC05-00OR22725. The motivation,
time and modelling activity for this review were supported by multiple
US Department of Energy (DOE) projects including: the SPRUCE project
(http://mnspruce.ornl.gov/) and NGEE Arctic
(http://ngee.Arctic.ornl.gov) projects for concept development and
environmental data and Sphagnum-related data; the Plant Microbe
Interfaces Scientific Focus Area (http://pmi.ornl.gov), for
cyanobacterium-Sphagnum modelling; and the Laboratory Directed Research
and Development Program of Oak Ridge National Laboratory, for ecological
genomics.
NR 147
TC 4
Z9 4
U1 14
U2 109
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0140-7791
EI 1365-3040
J9 PLANT CELL ENVIRON
JI Plant Cell Environ.
PD SEP
PY 2015
VL 38
IS 9
SI SI
BP 1737
EP 1751
DI 10.1111/pce.12458
PG 15
WC Plant Sciences
SC Plant Sciences
GA CO7VT
UT WOS:000359371800006
PM 25266403
ER
PT J
AU Borland, AM
Wullschleger, SD
Weston, DJ
Hartwell, J
Tuskan, GA
Yang, XH
Cushman, JC
AF Borland, Anne M.
Wullschleger, Stan D.
Weston, David J.
Hartwell, James
Tuskan, Gerald A.
Yang, Xiaohan
Cushman, John C.
TI Climate-resilient agroforestry: physiological responses to climate
change and engineering of crassulacean acid metabolism (CAM) as a
mitigation strategy
SO PLANT CELL AND ENVIRONMENT
LA English
DT Review
DE CO2; carbon reactions; drought; global climate change; photosynthesis;
stomata; water relations; water-use efficiency
ID WATER-USE EFFICIENCY; ATMOSPHERIC CARBON-DIOXIDE; CLUSIA-MINOR L;
AGROBACTERIUM-MEDIATED TRANSFORMATION; MESEMBRYANTHEMUM-CRYSTALLINUM L;
ENHANCES DROUGHT TOLERANCE; X POPULUS-DELTOIDES; FOREST DIE-OFF;
UNITED-STATES; PHOSPHOENOLPYRUVATE CARBOXYLASE
AB Global climate change threatens the sustainability of agriculture and agroforestry worldwide through increased heat, drought, surface evaporation and associated soil drying. Exposure of crops and forests to warmer and drier environments will increase leaf:air water vapour-pressure deficits (VPD), and will result in increased drought susceptibility and reduced productivity, not only in arid regions but also in tropical regions with seasonal dry periods. Fast-growing, short-rotation forestry (SRF) bioenergy crops such as poplar (Populus spp.) and willow (Salix spp.) are particularly susceptible to hydraulic failure following drought stress due to their isohydric nature and relatively high stomatal conductance. One approach to sustaining plant productivity is to improve water-use efficiency (WUE) by engineering crassulacean acid metabolism (CAM) into C-3 crops. CAM improves WUE by shifting stomatal opening and primary CO2 uptake and fixation to the night-time when leaf:air VPD is low. CAM members of the tree genus Clusia exemplify the compatibility of CAM performance within tree species and highlight CAM as a mechanism to conserve water and maintain carbon uptake during drought conditions. The introduction of bioengineered CAM into SRF bioenergy trees is a potentially viable path to sustaining agroforestry production systems in the face of a globally changing climate.
Global climate change is predicted to result in warmer and drier environments that will increase leaf:air water vapor-pressure deficits (VPD), thereby increasing the drought susceptibility and reducing the productivity of forests. Fast-growing, short-rotation forestry (SRF) bioenergy crops, such as poplar (Populus spp.) and willow (Salix spp.) are particularly susceptible to drought conditions due to their isohydric nature and relatively high stomatal conductance, which can result in hydraulic failure due to cavitation and carbon starvation. Improving water-use efficiency (WUE) by engineering crassulacean acid metabolism (CAM) into C (3) SRF crops could help sustain agroforestry production systems by allowing trees to conserve water and maintain carbon uptake during drought conditions, as exemplified by CAM-performing members of the genus Clusia.
C1 [Borland, Anne M.] Newcastle Univ, Sch Biol, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England.
[Borland, Anne M.; Weston, David J.; Tuskan, Gerald A.; Yang, Xiaohan] Oak Ridge Natl Lab, Biosci Div, Bioenergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Wullschleger, Stan D.] Oak Ridge Natl Lab, Climate Change Sci Inst, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Hartwell, James] Univ Liverpool, Inst Integrat Biol, Dept Plant Sci, Liverpool L69 7ZB, Merseyside, England.
[Cushman, John C.] Univ Nevada, Dept Biochem & Mol Biol, Reno, NV 89557 USA.
RP Cushman, JC (reprint author), Univ Nevada, Dept Biochem & Mol Biol, MS330, Reno, NV 89557 USA.
EM jcushman@unr.edu
RI Hartwell, James/M-7249-2014; Wullschleger, Stan/B-8297-2012; Tuskan,
Gerald/A-6225-2011; Yang, Xiaohan/A-6975-2011
OI Hartwell, James/0000-0001-5000-223X; Wullschleger,
Stan/0000-0002-9869-0446; Tuskan, Gerald/0000-0003-0106-1289; Yang,
Xiaohan/0000-0001-5207-4210
FU Department of Energy (DOE), Office of Science, Genomic Science Program
[DE-SC0008834]; US DOE [DE-AC05-00OR22725]
FX This review is based on work supported by the Department of Energy
(DOE), Office of Science, Genomic Science Program under award number
DE-SC0008834. The contents of this review are solely the responsibility
of the authors and do not necessarily represent the official views of
the DOE. The authors wish to thank Klaus Winter (Smithsonian Tropical
Research Institute, Panama) for providing the image used in Fig. 2,
Kelsey Carter (ORNL) for assistance with collection of data presented in
Table 4 and Mary Ann Cushman for critical review and clarifying comments
on the manuscript. Oak Ridge National Laboratory is managed by
UT-Battelle, LLC for the US DOE under Contract Number DE-AC05-00OR22725.
NR 202
TC 7
Z9 7
U1 22
U2 97
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0140-7791
EI 1365-3040
J9 PLANT CELL ENVIRON
JI Plant Cell Environ.
PD SEP
PY 2015
VL 38
IS 9
SI SI
BP 1833
EP 1849
DI 10.1111/pce.12479
PG 17
WC Plant Sciences
SC Plant Sciences
GA CO7VT
UT WOS:000359371800013
PM 25366937
ER
PT J
AU Leishear, RA
Gavalas, NA
AF Leishear, Robert A.
Gavalas, Nickolas A.
TI High vacuum measurements and calibrations, molecular flow fluid
transient effects
SO VACUUM
LA English
DT Article
DE Fluid transient; Molecular flow; Ion gauge; Spinning rotor gauge;
Capacitance diaphragm gauge; Cold cathode gauge; Vacuum measurement;
Vacuum calibration; Vacuum measurement errors
AB High vacuum pressure measurements and calibrations below approximate to 1 x 10(-6) Torr are problematic. Specifically, measurement accuracies change drastically for vacuum gauges when pressures are suddenly lowered in vacuum systems. How can gauges perform like this? To answer this question, a brief system description is first required. Calibrations were performed using a vacuum calibration chamber with attached vacuum gauges. To control chamber pressures, vacuum pumps decreased the chamber pressure while nitrogen tanks increased the chamber pressure. By balancing these opposing pressures, equilibrium in the chamber was maintained at selected set point pressures to perform calibrations. When pressures were suddenly decreased during set point adjustments, a sudden rush of gas from the chamber also caused a surge of gas from the gauges to decrease the pressures in those gauges. Gauge pressures did not return to equilibrium as fast as chamber pressures due to the sparse distribution of gas molecules in the system. This disparity in the rate of pressure changes caused the pressures in different gauges to be different than expected. This discovery of a new theory was experimentally proven to show that different gauge designs return to equilibrium at different rates, and that gauge accuracies vary for different gauge designs due to fluid transients in molecular flow. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Leishear, Robert A.] Savannah River Nucl Solut, Aiken, SC 29808 USA.
[Gavalas, Nickolas A.] Savannah River Natl Lab, Savannah, SC 29808 USA.
RP Leishear, RA (reprint author), Savannah River Nucl Solut, Savannah River Site, Aiken, SC 29808 USA.
EM robert.leishear@srnl.doe.gov; nickolas.gavalas@srnl.doe.gov
FU U.S. Department of Energy [DE-AC09-08SR22470]
FX This manuscript has been authored by Savannah River Nuclear Solutions,
LLC under Contract No. DE-AC09-08SR22470 with the U.S. Department of
Energy. The United States Government retains and publisher, by accepting
this article for publication, acknowledges that the United States
Government retains a nonexclusive, paid-up, irrevocable, worldwide
license to publish or reproduce the published form of this work, or
allow others to do so, for United States Government purposes.
NR 16
TC 0
Z9 0
U1 2
U2 10
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0042-207X
J9 VACUUM
JI Vacuum
PD SEP
PY 2015
VL 119
BP 47
EP 62
DI 10.1016/j.vacuum.2015.04.030
PG 16
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CO4ZH
UT WOS:000359168900007
ER
PT J
AU Kebaabetswe, LP
Haick, AK
Gritsenko, MA
Fillmore, TL
Chu, RK
Purvine, SO
Webb-Robertson, BJ
Matzke, MM
Smith, RD
Waters, KM
Metz, TO
Miura, TA
AF Kebaabetswe, Lemme P.
Haick, Anoria K.
Gritsenko, Marina A.
Fillmore, Thomas L.
Chu, Rosalie K.
Purvine, Samuel O.
Webb-Robertson, Bobbie-Jo
Matzke, Melissa M.
Smith, Richard D.
Waters, Katrina M.
Metz, Thomas O.
Miura, Tanya A.
TI Proteomic analysis reveals down-regulation of surfactant protein B in
murine type II pneumocytes infected with influenza A virus
SO VIROLOGY
LA English
DT Article
DE Primary alveolar type II epithelial cells; Influenza A virus; Surfactant
protein B; Quantitative proteomics
ID TOLL-LIKE RECEPTOR-3; PATHOGENIC AVIAN INFLUENZA; LUNG EPITHELIAL-CELLS;
VIRAL NS1 PROTEIN; ALVEOLAR MACROPHAGES; GENE-EXPRESSION; CLARA CELLS;
IN-VITRO; RAT LUNG; IMMUNOCYTOCHEMICAL LOCALIZATION
AB Infection of type II alveolar epithelial (ATII) cells by influenza A viruses (IAV) correlates with severe respiratory disease in humans and mice. To understand pathogenic mechanisms during IAV infection of ATII cells, murine ATII cells were cultured to maintain a differentiated phenotype, infected with IAV-PR8, which causes severe lung pathology in mice, and proteomics analyses were performed using liquid chromatography-mass spectrometry. PR8 infection increased levels of proteins involved in interferon signaling, antigen presentation, and cytoskeleton regulation. Proteins involved in mitochondrial membrane permeability, energy metabolism, and chromatin formation had reduced levels in PR8-infected cells. Phenotypic markers of ATII cells in vivo were identified, confirming the differentiation status of the cultures. Surfactant protein B had decreased levels in PR8-infected cells, which was confirmed by immunoblotting and immunofluorescence assays. Analysis of ATII cell protein profiles will elucidate cellular processes in IAV pathogenesis, which may provide insight into potential therapies to modulate disease severity. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Kebaabetswe, Lemme P.; Haick, Anoria K.; Miura, Tanya A.] Univ Idaho, Dept Biol Sci, Moscow, ID 83844 USA.
[Gritsenko, Marina A.; Matzke, Melissa M.; Smith, Richard D.; Waters, Katrina M.; Metz, Thomas O.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Fillmore, Thomas L.; Chu, Rosalie K.; Purvine, Samuel O.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Webb-Robertson, Bobbie-Jo] Pacific NW Natl Lab, Computat & Stat Analyt Div, Richland, WA 99352 USA.
RP Miura, TA (reprint author), 875 Perimeter Dr,MS 3051, Moscow, ID 83844 USA.
EM tmiura@uidaho.edu
RI Smith, Richard/J-3664-2012
OI Smith, Richard/0000-0002-2381-2349
FU Career Development Award from the Pacific Northwest Regional Center of
Excellence (NIH/NIAID) [U54 AI081680]; National Institute of General
Medical Sciences (NIGMS); National Institutes of Health (NIH) [P20
GM103397, P30 GM103324]; NIH/NIGMS [P41 GM103493]; U.S. DOE
[DE-AC05-76RL01830]; Graduate Fellowship from the Botswana International
University of Science and Technology (BIUST); NIH Biodefense and
Emerging Infectious Research Resources Repository, NIAD, NIH: Influenza
[A Puerto Rico/8/34 (H1N1), NR-3169]; Polyclonal Anti-Influenza Virus H1
(H0) Hemagglutinin (HA), (Antiserum, Goat) [A/Puerto Rico/8/34 (H1N1),
NR-3148]
FX This study was supported by a Career Development Award from the Pacific
Northwest Regional Center of Excellence (NIH/NIAID: U54 AI081680),
Grants from the National Institute of General Medical Sciences (NIGMS)
and from the National Institutes of Health (NIH), P20 GM103397 and P30
GM103324, and utilized capabilities developed under grant P41 GM103493
from the NIH/NIGMS. A portion of this work was performed in the
Environmental Molecular Sciences Laboratory, a U.S. Department of Energy
(DOE) Office of Science User Facility supported by the Office of
Biological and Environmental Research and located at Pacific Northwest
National Laboratory (PNNL). PNNL is a multi-program laboratory operated
by Battelle for the U.S. DOE under Contract DE-AC05-76RL01830. LP.K is a
Fulbright scholar and was also supported by a Graduate Fellowship from
the Botswana International University of Science and Technology (BIUST).
The sponsors had no role in study design, collection, analysis, and
interpretation of the data, writing the report, and in the decision to
publish the results of the study. The following reagents were obtained
through the NIH Biodefense and Emerging Infectious Research Resources
Repository, NIAD, NIH: Influenza, A Puerto Rico/8/34 (H1N1), NR-3169;
Polyclonal Anti-Influenza Virus H1 (H0) Hemagglutinin (HA), A/Puerto
Rico/8/34 (H1N1), (Antiserum, Goat), NR-3148. The authors would like to
thank Ann Norton and Timothy McGinn (University of Idaho) for assistance
with confocal microscopy.
NR 96
TC 1
Z9 1
U1 3
U2 13
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0042-6822
J9 VIROLOGY
JI Virology
PD SEP
PY 2015
VL 483
BP 96
EP 107
DI 10.1016/j.virol.2015.03.045
PG 12
WC Virology
SC Virology
GA CO2HG
UT WOS:000358976200010
PM 25965799
ER
PT J
AU Guo, Y
Collins, DM
Tarleton, E
Hofmann, F
Tischler, J
Liu, W
Xu, R
Wilkinson, AJ
Britton, TB
AF Guo, Y.
Collins, D. M.
Tarleton, E.
Hofmann, F.
Tischler, J.
Liu, W.
Xu, R.
Wilkinson, A. J.
Britton, T. B.
TI Measurements of stress fields near a grain boundary: Exploring blocked
arrays of dislocations in 3D
SO ACTA MATERIALIA
LA English
DT Article
DE DAXM; HR-EBSD; Slip band; Grain boundary; Hall-Petch coefficient
ID SLIP TRANSFER MECHANISMS; LATTICE DISLOCATIONS; CHARACTER-DISTRIBUTION;
METALS; DEFORMATION; RESOLUTION; FCC; TRANSMISSION; POLYCRYSTALS;
NUCLEATION
AB The interaction between dislocation pile-ups and grain boundaries gives rise to heterogeneous stress distributions when a structural metal is subjected to mechanical loading. Such stress heterogeneity leads to preferential sites for damage nucleation and therefore is intrinsically linked to the strength and ductility of polycrystalline metals. To date the majority of conclusions have been drawn from 2D experimental investigations at the sample surface, allowing only incomplete observations. Our purpose here is to significantly advance the understanding of such problems by providing quantitative measurements of the effects of dislocation pile up and grain boundary interactions in 3D. This is accomplished through the application of differential aperture X-ray Laue micro-diffraction (DAXM) and high angular resolution electron backscatter diffraction (HR-EBSD) techniques. Our analysis demonstrates a similar strain characterization capability between DAXM and HR-EBSD and the variation of stress intensity in 3D reveals that different parts of the same grain boundary may have different strengths in resisting slip transfer, likely due to the local grain boundary curvature. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd.
C1 [Guo, Y.; Collins, D. M.; Tarleton, E.; Wilkinson, A. J.] Univ Oxford, Dept Mat, Oxford OX1 3PH, England.
[Hofmann, F.] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England.
[Tischler, J.; Liu, W.; Xu, R.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Britton, T. B.] Univ London Imperial Coll Sci Technol & Med, Dept Mat, Royal Sch Mines, London SW7 2AZ, England.
RP Guo, Y (reprint author), Univ Oxford, Dept Mat, Parks Rd, Oxford OX1 3PH, England.
RI Wilkinson, Angus/E-4849-2011;
OI Wilkinson, Angus/0000-0002-8801-4102; Britton, T Ben/0000-0001-5343-9365
FU EPSRC [EP/K034332/1]; DOE Office of Science [DE-AC02-06CH11357]
FX Y.G., D.C., E.T., A.J.W. and T.B.B. would like to thank EPSRC for
providing funding through the HexMat programme Grant (EP/K034332/1).
This research used resources (34-ID-E) of the Advanced Photon Source, a
U.S. Department of Energy (DOE) Office of Science User Facility operated
for the DOE Office of Science by Argonne National Laboratory under
Contract No. DE-AC02-06CH11357.
NR 52
TC 9
Z9 9
U1 4
U2 39
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
EI 1873-2453
J9 ACTA MATER
JI Acta Mater.
PD SEP 1
PY 2015
VL 96
BP 229
EP 236
DI 10.1016/j.actamat.2015.05.041
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CN5HH
UT WOS:000358459900021
ER
PT J
AU Schuh, B
Mendez-Martin, F
Volker, B
George, EP
Clemens, H
Pippan, R
Hohenwarter, A
AF Schuh, B.
Mendez-Martin, F.
Voelker, B.
George, E. P.
Clemens, H.
Pippan, R.
Hohenwarter, A.
TI Mechanical properties, microstructure and thermal stability of a
nanocrystalline CoCrFeMnNi high-entropy alloy after severe plastic
deformation
SO ACTA MATERIALIA
LA English
DT Article
DE High-entropy alloys; Severe plastic deformation; Compositionally complex
alloys; 3 dimensional atom probe tomography; Microstructure
ID HIGH-PRESSURE TORSION; NANOSTRUCTURED MATERIALS; GRAIN-REFINEMENT;
PHASE-STABILITY; ELASTIC-MODULI; STRENGTH; METALS; MN; TEMPERATURES;
SEGREGATION
AB An equiatomic CoCrFeMnNi high-entropy alloy (HEA), produced by arc melting and drop casting, was subjected to severe plastic deformation (SPD) using high-pressure torsion. This process induced substantial grain refinement in the coarse-grained casting leading to a grain size of approximately 50 nm. As a result, strength increased significantly to 1950 MPa, and hardness to similar to 520 MV. Analyses using transmission electron microscopy (TEM) and 3-dimensional atom probe tomography (3D-APT) showed that, after SPD, the alloy remained a true single-phase solid solution down to the atomic scale. Subsequent investigations characterized the evolution of mechanical properties and microstructure of this nanocrystalline HEA upon annealing. Isochronal (for 1 h) and isothermal heat treatments were performed followed by microhardness and tensile tests. The isochronal anneals led to a marked hardness increase with a maximum hardness of similar to 630 HV at about 450 degrees C before softening set in at higher temperatures. The isothermal anneals, performed at this peak hardness temperature, revealed an additional hardness rise to a maximum of about 910 MV after 100 h. To clarify this unexpected annealing response, comprehensive microstructural analyses were performed using TEM and 3D-APT. New nano-scale phases were observed to form in the originally single-phase HEA. After times as short as 5 min at 450 degrees C, a NiMn phase and Cr-rich phase formed. With increasing annealing time, their volume fractions increased and a third phase, FeCo, also formed. It appears that the surfeit of grain boundaries in the nanocrystalline HEA offer many fast diffusion pathways and nucleation sites to facilitate this phase decomposition. The hardness increase, especially for the longer annealing times, can be attributed to these nano-scaled phases embedded in the HEA matrix. The present results give new valuable insights into the phase stability of single-phase high-entropy alloys as well as the mechanisms controlling the mechanical properties of nanostructured multiphase composites. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd.
C1 [Schuh, B.; Voelker, B.; Hohenwarter, A.] Univ Leoben, Dept Mat Phys, A-8700 Leoben, Austria.
[Mendez-Martin, F.; Clemens, H.] Univ Leoben, Dept Phys Met & Mat Testing, A-8700 Leoben, Austria.
[George, E. P.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, IN 37831 USA.
[George, E. P.] Univ Tennessee, Mat Sci & Engn Dept, Knoxville, TN 37996 USA.
[Pippan, R.] Austrian Acad Sci, Erich Schmid Inst Mat Sci, A-8700 Leoben, Austria.
RP Hohenwarter, A (reprint author), Univ Leoben, Dept Mat Phys, A-8700 Leoben, Austria.
OI Clemens, Helmut/0000-0001-6473-671X; Volker,
Bernhard/0000-0003-0573-3871; Hohenwarter, Anton/0000-0001-9827-9828
FU Austrian Science Fund (FWF) [P26729-N19]
FX This work was supported by the Austrian Science Fund (FWF) in the
framework of Research Project P26729-N19. Support for alloy production
at the Oak Ridge National Laboratory was provided by the U.S. Department
of Energy, Basic Energy Sciences, Materials Sciences and Engineering
Division.
NR 53
TC 59
Z9 62
U1 66
U2 196
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
EI 1873-2453
J9 ACTA MATER
JI Acta Mater.
PD SEP 1
PY 2015
VL 96
BP 258
EP 268
DI 10.1016/j.actamat.2015.06.025
PG 11
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CN5HH
UT WOS:000358459900024
ER
PT J
AU LaGrange, T
Arakawa, K
Yasuda, H
Kumar, M
AF LaGrange, Thomas
Arakawa, Kazuto
Yasuda, Hidehiro
Kumar, Mukul
TI Preferential void formation at crystallographically ordered grain
boundaries in nanotwinned copper thin films
SO ACTA MATERIALIA
LA English
DT Article
DE Grain boundary networks; Radiation defects; Grain boundary migration;
Triple junctions
ID AUSTENITIC STAINLESS-STEEL; ELECTRON-IRRADIATION; SIZE; MIGRATION;
GROWTH; AG
AB Nanocrystalline materials are expected to have improved radiation resistance as the high density of grain boundary area is thought to act as an effective sink for radiation-induced defects. However, continued absorption of defects can alter the structure of grain boundaries and/or enhance their mobility, eventually leading to microstructural degradation in the form of grain coarsening, thus negating their initial radiation tolerance. Hence, an ideal microstructure might be one with a mix of boundaries that are effective sinks and limit grain coarsening. We show through in situ electron irradiation experiments, however, that this is an insufficient condition. Our observations indicate that even a high density of low energy coherent twin boundaries, supposedly stabilizing the microstructure against grain coarsening, can be a detriment in that it biases the mobility of vacancies accumulating during irradiation thereby resulting in preferential void nucleation near twin boundaries. These observations highlight the fact that radiation induced grain boundary migration depends greatly on the topology of the grain boundary network and that the migration of high-angle grain boundaries can be hindered when coordinated at triple junctions composed of at least two low-energy boundaries, e.g., coincidence site lattice boundaries. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [LaGrange, Thomas; Kumar, Mukul] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Arakawa, Kazuto] Shimane Univ, Dept Mat Sci, Fac Sci & Engn, Matsue, Shimane 6908504, Japan.
[Arakawa, Kazuto] JST, CREST, Chiyoda Ku, Tokyo 1020076, Japan.
[Yasuda, Hidehiro] Osaka Univ, Res Ctr Ultra High Voltage Electron Microscopy, Osaka 5670047, Japan.
RP Kumar, M (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave,L-342, Livermore, CA 94550 USA.
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; U.S. Department of Energy (DOE), Office of Basic
Energy Sciences, Division of Materials Science and Engineering under FWP
[SCW0939]
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. The efforts of TL and MX were supported by the U.S.
Department of Energy (DOE), Office of Basic Energy Sciences, Division of
Materials Science and Engineering under FWP# SCW0939. In-situ electron
irradiation studies were performed at the Research Center for Ultra-High
Voltage Electron Microscopy in Osaka University.
NR 34
TC 1
Z9 1
U1 3
U2 32
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
EI 1873-2453
J9 ACTA MATER
JI Acta Mater.
PD SEP 1
PY 2015
VL 96
BP 284
EP 291
DI 10.1016/j.actamat.2015.06.015
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CN5HH
UT WOS:000358459900026
ER
PT J
AU Ott, RT
Geng, J
Besser, MF
Kramer, MJ
Wang, YM
Park, ES
LeSar, R
King, AH
AF Ott, R. T.
Geng, J.
Besser, M. F.
Kramer, M. J.
Wang, Y. M.
Park, E. S.
LeSar, R.
King, A. H.
TI Optimization of strength and ductility in nanotwinned ultra-fine grained
Ag: Twin density and grain orientations
SO ACTA MATERIALIA
LA English
DT Article
DE Nanotwinned; Ultra-fine grained; Ag; Nanostructured; Synthesis
ID SEVERE PLASTIC-DEFORMATION; NANOSCALE GROWTH TWINS; HALL-PETCH
BREAKDOWN; NANOCRYSTALLINE MATERIALS; MECHANICAL-PROPERTIES; TENSILE
DUCTILITY; MAXIMUM STRENGTH; METALS; COPPER; BEHAVIOR
AB Nanotwinned ultrafine grained Ag thick films with different twin densities and orientations have been synthesized by magnetron sputtering with a wide-range of deposition rates. The twin boundary (TB) spacings and orientations as well as the grain size for the different deposition conditions have been characterized by both synchrotron X-ray scattering and transmission electron microscopy (TEM). Structural characterization combined with uniaxial tensile tests of the free-standing films reveals a large increase in the yield strength for films deposited at high deposition rates without any accompanying change in the TB spacing - a behavior that is not reported in the literature. We find that films deposited at lower deposition rates exhibit more randomly oriented grains with a lower overall twin density (averaged over all the grains) than the more heavily twinned grains with strong < 111 > fiber texture in the films deposited at higher deposition rates. The TB spacing in the twinned grains, however, does not show any significant dependence on the deposition rate. The dependence of the strength and ductility on the twin density and orientations can be described by two different soft deformation modes: (1) untwinned grains and (2) nanowinned grains that are not oriented with < 111 > along the growth direction. The untwinned grains provide relatively low resistance to slip, and thus decreased strength, while the nanotwinned grains that are not oriented with < 111 > along the growth direction are softer than nanotwinned grains that are oriented with < 111 > along the growth direction. We have revealed that an uftrafine-grained (150-200 nm) structure consisting of a mixture of nanotwinned (similar to 8-12 nm spacing) and untwined grains yields the best combination of high strength and uniform tensile ductility. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Ott, R. T.; Geng, J.; Besser, M. F.; Kramer, M. J.; Park, E. S.; LeSar, R.; King, A. H.] US DOE, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
[Kramer, M. J.; LeSar, R.] Iowa State Univ, Mat Sci & Engn Dept, Ames, IA 50011 USA.
[Wang, Y. M.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
RP Ott, RT (reprint author), US DOE, Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
EM rtott@ameslab.gov
RI Wang, Yinmin (Morris)/F-2249-2010; King, Alexander/P-6497-2015; Geng,
Jie/B-8899-2009
OI King, Alexander/0000-0001-7101-6585; Geng, Jie/0000-0003-0422-0230
FU U.S. Department of Energy, Office of Basic Energy Science, Division of
Materials Sciences and Engineering [DE-AC02-07CH11358]; U.S. Department
of Energy [DE-AC52-07NA27344, DE-AC02-06CH11357]
FX The work at Ames Laboratory was supported by the U.S. Department of
Energy, Office of Basic Energy Science, Division of Materials Sciences
and Engineering under Contract No. DE-AC02-07CH11358. The work at
Lawrence Livermore National Laboratory (Y.M. Wang) was supported by the
U.S. Department of Energy under Contract DE-AC52-07NA27344. The Advanced
Photon Source at Argonne National Laboratory was supported by the U.S.
Department of Energy under Contract DE-AC02-06CH11357.
NR 57
TC 9
Z9 9
U1 11
U2 65
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
EI 1873-2453
J9 ACTA MATER
JI Acta Mater.
PD SEP 1
PY 2015
VL 96
BP 378
EP 389
DI 10.1016/j.actamat.2015.06.030
PG 12
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA CN5HH
UT WOS:000358459900035
ER
PT J
AU Icenhower, JP
AF Icenhower, Jonathan P.
TI Empirical Kinetics and Their Role in Elucidating the Utility of
Transition-State Theory to Mineral-Water Reactions A comment upon,
"Evidence and Potential Implications of Exponential Tails to
Concentration Versus Time Plots for the Batch Dissolution of Calcite''
by V. W. Truesdale
SO AQUATIC GEOCHEMISTRY
LA English
DT Article
DE Transition-state theory; Dissolution kinetics; Calcite; ACC
ID CHEMICAL-REACTIONS; ACTIVATED COMPLEX; FORCE MICROSCOPY; CACO3
SOLUTIONS; RATE LAW; NUCLEATION; CARBONATE; CRYSTAL; VATERITE; CLUSTERS
AB Transition-state theory (TST) is a successful theory for understanding many different types of reactions, but its application to mineral-water systems has not been successful, especially as the system approaches saturation with respect to a rate-limiting phase. A number of investigators have proposed alternate frameworks for using the kinetic rate data to construct models of dissolution, including Truesdale (Aquat Geochem, 2015; this issue). This alternate approach has been resisted, in spite of self-evident discrepancies between TST expectations and the data. The failure of TST under certain circumstances is a result of the presence of metastable intermediaries or reaction layers that form on the surface of reacting solids, and these phenomena are not anticipated by the current theory. Therefore, alternate approaches, such as the shrinking object model advocated by Truesdale, represent a potentially important avenue for advancing the science of dissolution kinetics.
C1 Sandia Natl Labs, Carlsbad, NM 88220 USA.
RP Icenhower, JP (reprint author), Sandia Natl Labs, 4100 Natl Pk Highway, Carlsbad, NM 88220 USA.
EM jpicenh@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multi-program laboratory managed and
operated by Sandia Corporation, a wholly owned subsidiary of Lockheed
Martin Corporation, for the U.S. Department of Energy's National Nuclear
Security Administration under contract DE-AC04-94AL85000.
NR 29
TC 2
Z9 2
U1 3
U2 9
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1380-6165
EI 1573-1421
J9 AQUAT GEOCHEM
JI Aquat. Geochem.
PD SEP
PY 2015
VL 21
IS 5
BP 397
EP 405
DI 10.1007/s10498-015-9266-y
PG 9
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CN7WZ
UT WOS:000358647000003
ER
PT J
AU de Foy, B
Lu, ZF
Streets, DG
Lamsal, LN
Duncan, BN
AF de Foy, Benjamin
Lu, Zifeng
Streets, David G.
Lamsal, Lok N.
Duncan, Bryan N.
TI Estimates of power plant NOx emissions and lifetimes from OMI NO2
satellite retrievals
SO ATMOSPHERIC ENVIRONMENT
LA English
DT Article
DE Emission inventory; Satellite retrieval; OMI; CEMS; Power plant NOx;
Chemical lifetime
ID OZONE MONITORING INSTRUMENT; TROPOSPHERIC NO2; UNITED-STATES;
NITROGEN-OXIDES; AIR-QUALITY; ATMOSPHERIC COMPOSITION; IN-SITU; SPACE;
POLLUTION; SO2
AB Isolated power plants with well characterized emissions serve as an ideal test case of methods to estimate emissions using satellite data. In this study we evaluate the Exponentially-Modified Gaussian (EMG) method and the box model method based on mass balance for estimating known NOx emissions from satellite retrievals made by the Ozone Monitoring Instrument (OMI). We consider 29 power plants in the USA which have large NOx plumes that do not overlap with other sources and which have emissions data from the Continuous Emission Monitoring System (CEMS). This enables us to identify constraints required by the methods, such as which wind data to use and how to calculate background values. We found that the lifetimes estimated by the methods are too short to be representative of the chemical lifetime. Instead, we introduce a separate lifetime parameter to account for the discrepancy between estimates using real data and those that theory would predict. In terms of emissions, the EMG method required averages from multiple years to give accurate results, whereas the box model method gave accurate results for individual ozone seasons. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [de Foy, Benjamin] St Louis Univ, Dept Earth & Atmospher Sci, St Louis, MO 63103 USA.
[Lu, Zifeng; Streets, David G.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Lamsal, Lok N.; Duncan, Bryan N.] NASA Goddard Space Flight Ctr, Atmospher Chem & Dynam Lab, Greenbelt, MD USA.
RP de Foy, B (reprint author), St Louis Univ, Dept Earth & Atmospher Sci, St Louis, MO 63103 USA.
EM bdefoy@slu.edu
RI de Foy, Benjamin/A-9902-2010; Duncan, Bryan/A-5962-2011
OI de Foy, Benjamin/0000-0003-4150-9922;
FU NASA Air Quality Applied Sciences Team (AQAST) program, NASA
[NNX11AJ63G]
FX This research was funded by the NASA Air Quality Applied Sciences Team
(AQAST) program, NASA grant #NNX11AJ63G, including funding for the AQAST
Tiger Team "Relationships and trends among satellite NO2
columns, NO emissions, and air quality in North America." We are
grateful for valuable comments and discussion from the team members and
the team leader and assistant leader, Daniel J. Jacob and Tracey
Holloway. We thank the anonymous reviewers for their comments which have
helped improve the paper.
NR 43
TC 10
Z9 10
U1 4
U2 51
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1352-2310
EI 1873-2844
J9 ATMOS ENVIRON
JI Atmos. Environ.
PD SEP
PY 2015
VL 116
BP 1
EP 11
DI 10.1016/j.atmosenv.2015.05.056
PG 11
WC Environmental Sciences; Meteorology & Atmospheric Sciences
SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
GA CN5KX
UT WOS:000358469300001
ER
PT J
AU Kondev, FG
Dracoulis, GD
Kibedi, T
AF Kondev, F. G.
Dracoulis, G. D.
Kibedi, T.
TI Configurations and Hindered decays of K isomers in deformed nuclei with
A > 100 (vol 103, pg 50, 2015)
SO ATOMIC DATA AND NUCLEAR DATA TABLES
LA English
DT Correction
ID INTERNAL-CONVERSION COEFFICIENTS
C1 [Kondev, F. G.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA.
[Dracoulis, G. D.; Kibedi, T.] Australian Natl Univ, Res Sch Phys & Engn, Dept Nucl Phys, Canberra, ACT 2601, Australia.
RP Kondev, FG (reprint author), Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM kondev@anl.gov
NR 6
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PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0092-640X
EI 1090-2090
J9 ATOM DATA NUCL DATA
JI Atom. Data Nucl. Data Tables
PD SEP-NOV
PY 2015
VL 105
BP 105
EP 106
DI 10.1016/j.adt.2015.05.001
PG 2
WC Physics, Atomic, Molecular & Chemical; Physics, Nuclear
SC Physics
GA CO1EN
UT WOS:000358896700003
ER
PT J
AU Herzfeld, UC
Hunke, EC
McDonald, BW
Wallin, BF
AF Herzfeld, Ute C.
Hunke, Elizabeth C.
McDonald, Brian W.
Wallin, Bruce F.
TI Sea ice deformation in Fram Strait - Comparison of CICE simulations with
analysis and classification of airborne remote-sensing data
SO COLD REGIONS SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Model-data comparison; Arctic sea ice; Sea-ice complexity; Laser
altimetry, sea-ice classification; Sensitivity experiments
ID THICKNESS DISTRIBUTION; PACK ICE; MODEL; ROUGHNESS; REDISTRIBUTION;
CLIMATE; OCEAN; VALIDATION; MORPHOLOGY; STRESS
AB Complex surface topography is a characteristic especially of older sea ice, and an observed loss of older or multiyear sea ice in the Arctic indicates an imminent transition of the Arctic ice cover from perennial to seasonal. Prediction of this transition in the Arctic system is one of today's "big science" questions. The objective of this paper is to compare model output and data analysis, toward addressing a key problem in sea-ice modeling, the correct representation of ridges and other spatial features that result from deformation. Morphologically complex, ridged ice exists in Fram Strait. High-resolution airborne remote sensing data, including image data and altimeter data showing ridging, collected from unmanned aircraft over Fram Strait during the Characterization of Arctic Sea Ice Experiment (CASIE) in 2009, are analyzed using geostatistical classification. This approach results in parameters that capture deformation characteristics and facilitates comparison to model results. Ridging and other forms of deformation are implemented in the Los Alamos sea-ice model CICE. The main parameters that are compared are freeboard as a proxy of ice thickness and percentages of level versus ridged ice from modeling and laser altimeter data analysis. Results from freeboard analysis indicate that except for the elevation class 0.1 m-0.2 m, models and observations match very well. For concentration of deformed ice, results from CICE using the standard parameter configuration are within 20% of deformed ice area concentration compared to results from altimeter data analysis. Variation of several physical parameters indicates the sensitivity of model results to ridging parameters and provides results that are within 7% of data analysis results in each grid cell, with the parameter that yields the best match depending on geographic location and morphologic province. In general our approach demonstrates an avenue for parameterization on both the data analysis side and the modeling side that allows a direct comparison of results from sea-ice models and data analysis and hence an evaluation of numerical sea-ice models. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Herzfeld, Ute C.] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA.
[Herzfeld, Ute C.] Univ Colorado, Dept Appl Math, Boulder, CO 80309 USA.
[Hunke, Elizabeth C.] Los Alamos Natl Lab, Fluid Dynam & Solid Mech Grp T 3, Los Alamos, NM USA.
[McDonald, Brian W.; Wallin, Bruce F.] Univ Colorado, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA.
RP Herzfeld, UC (reprint author), Univ Colorado, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA.
EM ute.herzfeld@colorado.edu
FU NASA Cryospheric Sciences Award [NNGO4GH68G]; Institute for Geophysics
and Planetary Physics at Los Alamos National Laboratory; Regional and
Global Climate Modeling program of the U. S. Department of Energy Office
of Science; U.S. Department of Energy [DE-AC52-06NA25396]; NASA
Cryospheric Sciences/NASA Goddard Space Flight Center Award [NNX15AC73G]
FX There are many more people involved in this effort than just the four of
us, particularly on the observational side, and we are leveraging and
building on support from several organizations. We thank everyone who
has contributed to this work through these means. Special thanks are due
to Ian Crocker, now at NEON, Boulder, Colorado, and Jim Maslanik,
University of Colorado Boulder, and to Matt Fladeland and the SIERRA
team at NASA AMES Research Center. Thanks are due to reviewer Ivana
Kubat, National Research Council, Ottawa, Canada, for providing
additional references, and to Jurg Schweizer, editor-in-chief, CRST. UCH
and ECH have contributed equally to the research in this paper. BM and
BW contributed data analyses. UCH was a coinvestigator of CASIE,
supported through NASA Cryospheric Sciences Award NNGO4GH68G. The
project described here was supported directly through a research grant
of the Institute for Geophysics and Planetary Physics at Los Alamos
National Laboratory. ECH's work was performed within the Climate, Ocean
and Sea Ice Modeling (COSIM) program at Los Alamos National Laboratory,
whose funding from the Regional and Global Climate Modeling program of
the U. S. Department of Energy Office of Science is gratefully
acknowledged. Los Alamos National Laboratory is operated by the National
Nuclear Security Administration of the U.S. Department of Energy under
Contract No. DE-AC52-06NA25396. UCH's work was also partly supported by
NASA Cryospheric Sciences/NASA Goddard Space Flight Center Award
NNX15AC73G. All this support is gratefully acknowledged.
NR 83
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U2 12
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0165-232X
EI 1872-7441
J9 COLD REG SCI TECHNOL
JI Cold Reg. Sci. Tech.
PD SEP
PY 2015
VL 117
BP 19
EP 33
DI 10.1016/j.coldregions.2015.05.001
PG 15
WC Engineering, Environmental; Engineering, Civil; Geosciences,
Multidisciplinary
SC Engineering; Geology
GA CO0CR
UT WOS:000358818200003
ER
PT J
AU Schmitt, RL
Tatkowski, G
Ruschman, M
Golwala, S
Kellaris, N
Daal, M
Hall, J
Hoppe, EW
AF Schmitt, R. L.
Tatkowski, G.
Ruschman, M.
Golwala, S.
Kellaris, N.
Daal, M.
Hall, J.
Hoppe, E. W.
TI Thermal conductance measurements of bolted copper joints for SuperCDMS
SO CRYOGENICS
LA English
DT Article
DE Joint conductance; Contact; Bolt; Copper; Boundary resistance
ID LIQUID-HELIUM TEMPERATURES; ELECTRICAL CONDUCTANCE; CONTACTS;
RESISTANCE; SURFACES
AB Joint thermal conductance testing has been undertaken for bolted copper to copper connections from 60 mK to 26 K. This testing was performed to validate an initial design basis for the SuperCDMS experiment, where a dilution refrigerator will be coupled to a cryostat via multiple bolted connections. Copper used during testing was either gold plated or passivated with citric acid to prevent surface oxidation. Results obtained are well fit by a power law regression of joint thermal conductance to temperature and match well with data collected during a literature review. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Schmitt, R. L.; Tatkowski, G.; Ruschman, M.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Golwala, S.] CALTECH, Pasadena, CA 91125 USA.
[Kellaris, N.; Daal, M.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Hall, J.; Hoppe, E. W.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Schmitt, RL (reprint author), Fermilab Natl Accelerator Lab, POB 500,Mail Stn 219, Batavia, IL 60510 USA.
EM rlschmitt@fnal.gov
FU Fermi Research Alliance, LLC [De-AC02-07CH11359]; United States
Department of Energy
FX Fermi National Accelerator Laboratory is operated by Fermi Research
Alliance, LLC under Contract No. De-AC02-07CH11359 with the United
States Department of Energy. Fermi lab report number:
FERMILAB-PUB-14-522-PPD.
NR 32
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U1 3
U2 10
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0011-2275
EI 1879-2235
J9 CRYOGENICS
JI Cryogenics
PD SEP
PY 2015
VL 70
BP 41
EP 46
DI 10.1016/j.cryogenics.2015.04.006
PG 6
WC Thermodynamics; Physics, Applied
SC Thermodynamics; Physics
GA CO0DN
UT WOS:000358820400006
ER
PT J
AU Orme, CJ
Wilson, AD
AF Orme, Christopher J.
Wilson, Aaron D.
TI 1-Cyclohexylpiperidine as a thermolytic draw solute for osmotically
driven membrane processes
SO DESALINATION
LA English
DT Article
DE Forward osmosis; Desalination; Switchable polarity solvents; Draw
solution; Osmotically driven membrane process
ID INTERNAL CONCENTRATION POLARIZATION; SWITCHABLE POLARITY SOLVENTS;
AMMONIA-CARBON DIOXIDE; OSMOSIS DESALINATION PROCESS; BIPHASIC AMINE
SOLVENTS; SEAWATER DESALINATION; TERTIARY-AMINES; CO2 ABSORPTION; FLUX
BEHAVIOR; REGENERATION
AB The switchable polarity solvent (SPS) 1-cyclohexylpiperidine (GIP) was demonstrated as a viable draw solute for osmotically driven membrane processes. The SPS draw solution was formed from a heterogeneous mixture of water and water immiscible CHP was exposed to carbon dioxide to form concentrated aqueous ammonium bicarbonate solution with high osmotic pressure (>500 atm). The free amine and ammonium bicarbonate solution has been demonstrated to be compatible with a polyamide thin film composite membrane through a variety of transport experiments. The reverse solute flux, J(s), of CHP appears to occur by a different mechanism than the water flux J(W). This difference suggests that J(s) could be minimized in future membranes without impacting J(W). To demonstrate product water recovery, the solution was "degassed" removing carbon dioxide and converting the aqueous ammonium bicarbonate solute to a water immiscible CHP which can be decanted from water. Effective degassing ammonium bicarbonate solutions at low concentrations occurs at the lowest temperature of any SPS yet studied as a draw solute (70 degrees C) and possibly at the lowest temperature of any thermolytic amine studied as a draw solute. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Orme, Christopher J.; Wilson, Aaron D.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Wilson, AD (reprint author), Idaho Natl Lab, POB 1625 MS 3531, Idaho Falls, ID 83415 USA.
EM aaron.wilson@inl.gov
RI Wilson, Aaron/C-4364-2008
OI Wilson, Aaron/0000-0001-5865-6537
FU U.S. Department of Energy [DE-AC07-05ID14517]; Idaho National Laboratory
via the Laboratory Directed Research and Development Fund (LDRD)
FX This work was supported by the U.S. Department of Energy through
contract DE-AC07-05ID14517. Funding was supplied by the Idaho National
Laboratory via the Laboratory Directed Research and Development Fund
(LDRD). The authors also acknowledge Porifera for providing the
membranes for this research.
NR 43
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U1 2
U2 18
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0011-9164
EI 1873-4464
J9 DESALINATION
JI Desalination
PD SEP 1
PY 2015
VL 371
BP 126
EP 133
DI 10.1016/j.desa1.2015.05.024
PG 8
WC Engineering, Chemical; Water Resources
SC Engineering; Water Resources
GA CN2RT
UT WOS:000358270300013
ER
PT J
AU Ramamurthy, P
Sun, T
Rule, K
Bou-Zeid, E
AF Ramamurthy, P.
Sun, T.
Rule, K.
Bou-Zeid, E.
TI The joint influence of albedo and insulation on roof performance: A
modeling study
SO ENERGY AND BUILDINGS
LA English
DT Article
DE Cool roof; Roof energy savings; Roof albedo; Roof heat flux; Roof
insulation; Princeton Roof Model
ID URBAN HEAT-ISLAND; SIMULATION PROGRAMS; ENERGY-CONSUMPTION; REFLECTIVE
ROOFS; UNITED-STATES; GREEN; BUILDINGS; TRANSPORT; CITIES; IMPACT
AB The advanced Princeton Roof Model (PROM) is evaluated and then applied to quantify the heat transferred through various modular roof structures over an entire year. The goal is to identify an optimal combination of roof reflectivity and insulation thickness that will reduce energy consumption and minimize cost. Meteorological data gathered over the Northeastern United States (Princeton, NJ) is used to force PROM. Our results reveal that for new constructions or for retrofits in the region, an R8.4 (around 46 cm thick roof insulation) white roof (assumed albedo =0.6 or greater) would significantly reduce the combined heating and cooling load attributable to the roofs. The wintertime penalty of white roofs is also shown to be insignificant compared to their summertime benefits. The findings are pertinent to many other densely populated areas with comparable climates where, despite a much higher number of heating versus cooling degree-days, white roofs are overall advantageous. A cost optimization analysis found that doubling, tripling and quadrupling the insulation thickness from the baseline case of 5.08 cm (2 in.), at an albedo of 0.45, requires 13, 17 and 19 years, respectively, to recover the additional cost incurred. (c) 2015 Elsevier B.V. All rights reserved.
C1 [Ramamurthy, P.] CUNY, Dept Mech Engn, New York, NY 10021 USA.
[Ramamurthy, P.; Sun, T.; Bou-Zeid, E.] Princeton Univ, Dept Civil & Environm Engn, Princeton, NJ 08544 USA.
[Sun, T.] Tsinghua Univ, State Key Lab Hydrosci & Engn, Dept Hydraul Engn, Beijing 100084, Peoples R China.
[Rule, K.] Princeton Plasma Phys Lab, Princeton, NJ 08540 USA.
RP Bou-Zeid, E (reprint author), Princeton Univ, Dept Civil & Environm Engn, EQuad, E414, Princeton, NJ 08544 USA.
EM ebouzeid@princeton.edu
RI Sun, Ting/A-3388-2013
OI Sun, Ting/0000-0002-2486-6146
FU US Department of Energy through Pennsylvania State University's Energy
Efficiency Building Hub [DE-EE0004261]; Helen Shipley Hunt Fund through
Princeton University
FX This work was supported by the US Department of Energy through
Pennsylvania State University's Energy Efficiency Building Hub under
grant No. DE-EE0004261 and by the Helen Shipley Hunt Fund through
Princeton University. The authors also extend their gratitude to the
staff members at PPPL for their invaluable help in setting up the
experiment.
NR 44
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U1 3
U2 19
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0378-7788
EI 1872-6178
J9 ENERG BUILDINGS
JI Energy Build.
PD SEP 1
PY 2015
VL 102
BP 317
EP 327
DI 10.1016/j.enbuild.2015.06.005
PG 11
WC Construction & Building Technology; Energy & Fuels; Engineering, Civil
SC Construction & Building Technology; Energy & Fuels; Engineering
GA CN5GP
UT WOS:000358458100030
ER
PT J
AU Bert, F
North, M
Rovere, S
Tatara, E
Macal, C
Podesta, G
AF Bert, Federico
North, Michael
Rovere, Santiago
Tatara, Eric
Macal, Charles
Podesta, Guillermo
TI Simulating agricultural land rental markets by combining agent-based
models with traditional economics concepts: The case of the Argentine
Pampas
SO ENVIRONMENTAL MODELLING & SOFTWARE
LA English
DT Article
DE Agricultural land markets; Agricultural production; Land tenure;
Argentina; Agent-based modeling
ID COMPUTATIONAL ECONOMICS; ASPIRATION LEVEL; SYSTEMS; ADAPTATION;
TAXONOMY; BEHAVIOR; ADOPTION; TRADE
AB Land exchange through rental transactions is a central process in agricultural systems. The land tenure regimes emerge from land transactions and structural and land use changes are tied to the dynamics of the land market. We introduce LARMA, a LAnd Rental MArket model embedded within the Pampas Model (PM), an agent-based model of Argentinean agricultural systems. LARMA produces endogenous formation of land rental prices. LARMA relies on traditional economic concepts for LRP formation but addresses some drawbacks of this approach by being integrated into an agent-based model that considers heterogeneous agents interacting with one another. PM-LARMA successfully reproduced the agricultural land tenure regimes and land rental prices observed in the Pampas. Including adaptive, heterogeneous and interacting agents was critical to this success. We conclude that agent-based and traditional economic models can be successfully combined to capture complex emergent land tenure and market price patterns while simplifying the overall model design. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Bert, Federico] Univ Buenos Aires, Fac Agron, Buenos Aires, DF, Argentina.
[Bert, Federico] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina.
[North, Michael; Tatara, Eric; Macal, Charles] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA.
[Rovere, Santiago] Univ Buenos Aires, Fac Ingn, Buenos Aires, DF, Argentina.
[Podesta, Guillermo] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Miami, FL 33149 USA.
RP Bert, F (reprint author), Univ Buenos Aires, CONICET, Fac Agron, Av San Martin 4453,POB C1417DSE, Buenos Aires, DF, Argentina.
EM fbert@agro.uba.ar
OI Podesta, Guillermo/0000-0002-4909-0567
FU U.S. National Science Foundation (NSF) [0709681, 1049109, 1211613];
Inter-American Institute for Global Change Research (IAI) grant
[CRN-2031]; NSF [GEO-0452325]; Consejo Nacional de Investigaciones
Cientificas y Tecnicas (CONICET) of Argentina; University of Chicago
[W-31-109-Eng-38]
FX This research was supported by U.S. National Science Foundation (NSF)
grants 0709681, 1049109, and 1211613. Additional support was provided by
the Inter-American Institute for Global Change Research (IAI) grant
CRN-2031 (Addendum). The IAI is supported by NSF grant GEO-0452325.
Federico Bert is supported by Consejo Nacional de Investigaciones
Cientificas y Tecnicas (CONICET) of Argentina. Argonne National
Laboratory, a US Department of Energy Office of Science laboratory, is
operated by The University of Chicago under contract W-31-109-Eng-38.
The views, findings, recommendations, and conclusions in this paper are
exclusively those of the authors. The Pampas Model source code and
documentation is available in the OpenABM models library
(http://www.openabm.org/model/3872/version/1/view).
NR 49
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PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1364-8152
EI 1873-6726
J9 ENVIRON MODELL SOFTW
JI Environ. Modell. Softw.
PD SEP
PY 2015
VL 71
BP 97
EP 110
DI 10.1016/j.envsoft.2015.05.005
PG 14
WC Computer Science, Interdisciplinary Applications; Engineering,
Environmental; Environmental Sciences
SC Computer Science; Engineering; Environmental Sciences & Ecology
GA CN7PW
UT WOS:000358627500008
ER
PT J
AU Devereux, R
Mosher, JJ
Vishnivetskaya, TA
Brown, SD
Beddick, DL
Yates, DF
Palumbo, AV
AF Devereux, R.
Mosher, J. J.
Vishnivetskaya, T. A.
Brown, S. D.
Beddick, D. L., Jr.
Yates, D. F.
Palumbo, A. V.
TI Changes in northern Gulf of Mexico sediment bacterial and archaeal
communities exposed to hypoxia
SO GEOBIOLOGY
LA English
DT Article
ID LOUISIANA CONTINENTAL-SHELF; RIBOSOMAL-RNA GENES; MARINE-SEDIMENTS;
OXIDIZING BACTERIA; DIVERSITY; IRON; BIOGEOCHEMISTRY; THAUMARCHAEOTA;
NITRIFICATION; MISSISSIPPI
AB Biogeochemical changes in marine sediments during coastal water hypoxia are well described, but less is known about underlying changes in microbial communities. Bacterial and archaeal communities in Louisiana continental shelf (LCS) hypoxic zone sediments were characterized by pyrosequencing 16S rRNA V4-region gene fragments obtained by PCR amplification of community genomic DNA with bacterial- or archaeal-specific primers. Duplicate LCS sediment cores collected during hypoxia had higher concentrations of Fe(II), and dissolved inorganic carbon, phosphate, and ammonium than cores collected when overlying water oxygen concentrations were normal. Pyrosequencing yielded 158686 bacterial and 225591 archaeal sequences from 20 sediment samples, representing five 2-cm depth intervals in the duplicate cores. Bacterial communities grouped by sampling date and sediment depth in a neighbor-joining analysis using Chao-Jaccard shared species values. Redundancy analysis indicated that variance in bacterial communities was mainly associated with differences in sediment chemistry between oxic and hypoxic water column conditions. Gammaproteobacteria (26.5%) were most prominent among bacterial sequences, followed by Firmicutes (9.6%), and Alphaproteobacteria (5.6%). Crenarchaeotal, thaumarchaeotal, and euryarchaeotal lineages accounted for 57%, 27%, and 16% of archaeal sequences, respectively. In Thaumarchaeota Marine Group I, sequences were 96-99% identical to the Nitrosopumilus maritimus SCM1 sequence, were highest in surficial sediments, and accounted for 31% of archaeal sequences when waters were normoxic vs. 13% of archaeal sequences when waters were hypoxic. Redundancy analysis showed Nitrosopumilus-related sequence abundance was correlated with high solid-phase Fe(III) concentrations, whereas most of the remaining archaeal clusters were not. In contrast, crenarchaeotal sequences were from phylogenetically diverse lineages, differed little in relative abundance between sampling times, and increased to high relative abundance with sediment depth. These results provide further evidence that marine sediment microbial community composition can be structured according to sediment chemistry and suggest the expansion of hypoxia in coastal waters may alter sediment microbial communities involved in carbon and nitrogen cycling.
C1 [Devereux, R.; Beddick, D. L., Jr.; Yates, D. F.] US EPA, Gulf Ecol Div, Gulf Breeze, FL 32561 USA.
[Mosher, J. J.; Vishnivetskaya, T. A.; Brown, S. D.; Palumbo, A. V.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN USA.
RP Devereux, R (reprint author), US EPA, Gulf Ecol Div, Gulf Breeze, FL 32561 USA.
EM devereux.richard@epa.gov
RI Brown, Steven/A-6792-2011; Palumbo, Anthony/A-4764-2011;
OI Brown, Steven/0000-0002-9281-3898; Palumbo, Anthony/0000-0002-1102-3975;
Vishnivetskaya, Tatiana/0000-0002-0660-023X
FU U.S. Department of Energy [DE-AC05-00OR22725]; DOE
FX This manuscript has been authored by UT-Battelle, LLC under Contract No.
DE-AC05-00OR22725 with the U.S. Department of Energy. The United States
Government retains and the publisher, by accepting the article for
publication, acknowledges that the United States Government retains a
non-exclusive, paid-up, irrevocable, world-wide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for United States Government purposes. The Department of Energy will
provide public access to these results of federally sponsored research
in accordance with the DOE Public Access Plan
(http://energy.gov/downloads/doe-public-access-plan).
NR 67
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U1 1
U2 33
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1472-4677
EI 1472-4669
J9 GEOBIOLOGY
JI Geobiology
PD SEP
PY 2015
VL 13
IS 5
BP 478
EP 493
DI 10.1111/gbi.12142
PG 16
WC Biology; Environmental Sciences; Geosciences, Multidisciplinary
SC Life Sciences & Biomedicine - Other Topics; Environmental Sciences &
Ecology; Geology
GA CN6IE
UT WOS:000358537300006
PM 25939270
ER
PT J
AU Zhang, C
Waksmanski, N
Wheeler, VM
Pan, E
Larsen, RE
AF Zhang, Chao
Waksmanski, Natalie
Wheeler, Vincent M.
Pan, Ernian
Larsen, Ross E.
TI The effect of photodegradation on effective properties of polymeric thin
films: A micromechanical homogenization approach
SO INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE
LA English
DT Article
DE Effective properties; Photodegradation; Polymer film; Functionally
graded material; Homogenization
ID FUNCTIONALLY GRADED MATERIALS; MECHANICAL-PROPERTIES; FINITE-ELEMENT;
MODEL; PERFORMANCE; TRANSISTORS; PLATES; UV; POLYSTYRENE; SYSTEMS
AB An analytical model is developed to study the impact of photodegradation on the elastic properties of polymeric thin films. The multi-phase heterogeneous aged polymer material is considered as a two-phase functionally graded material with varying volume ratios as functions of both time and depth. The concentration gradations are obtained using a three-species chemical kinetic model with the kinetics being driven by light that is absorbed as it passes through the film. Concentration gradations are connected to the elastic stiffness through volume averaging and a micromechanics approach is employed to find effective properties of functionally graded composites. Concise matrix expressions of the effective properties are presented. The derived formulas are applied to study the effective responses of an aged simply-supported polymer film under surface loads. The obtained results are then compared with and validated by those from a multi-layer analytical model. The present formulas are also applied to predict the evolution of effective properties of a polymer thin film under photodegradation, and the variation of effective responses under surface loads. The present solution could be useful in studying the relation between polymer molecular structure and mechanical properties, and in the evaluation of long-term mechanical responses of polymeric structures. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Zhang, Chao; Wheeler, Vincent M.; Larsen, Ross E.] Natl Renewable Energy Lab, Computat Sci Ctr, Golden, CO 80401 USA.
[Waksmanski, Natalie; Pan, Ernian] Univ Akron, Dept Civil Engn, Akron, OH 44325 USA.
RP Zhang, C (reprint author), Natl Renewable Energy Lab, Computat Sci Ctr, Golden, CO 80401 USA.
EM Chao.Zhang@nrel.gov
RI Zhang, Chao/H-3397-2013; Larsen, Ross/E-4225-2010
OI Larsen, Ross/0000-0002-2928-9835
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy [DE-FOA-0000861]
FX This work was supported by U.S. Department of Energy, Office of Energy
Efficiency and Renewable Energy under award number DE-FOA-0000861. We
also thank Dr. Matthew Gray and Katelyn Kessinger for supplying UV/Vis
spectra of un-aged and aged PET films.
NR 45
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U2 15
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7225
EI 1879-2197
J9 INT J ENG SCI
JI Int. J. Eng. Sci.
PD SEP
PY 2015
VL 94
BP 1
EP 22
DI 10.1016/j.ijengsci.2015.04.006
PG 22
WC Engineering, Multidisciplinary
SC Engineering
GA CO3BN
UT WOS:000359031700001
ER
PT J
AU Magnotti, G
Kc, U
Varghese, PL
Barlow, RS
AF Magnotti, G.
Kc, U.
Varghese, P. L.
Barlow, R. S.
TI Raman spectra of methane, ethylene, ethane, dimethyl ether, formaldehyde
and propane for combustion applications
SO JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
LA English
DT Article
DE Raman spectroscopy; Hydrocarbons; Combustion
ID VIBRATIONAL ASSIGNMENTS; FLAMES; SPECTROSCOPY; BANDS; TEMPERATURE;
SCATTERING; MOLECULES; DIAGNOSTICS; LAMINAR; SYSTEM
AB Spontaneous Raman scattering measurements of temperature and major species concentration in hydrocarbon-air flames require detailed knowledge of the Raman spectra of the hydrocarbons present when fuels more complex than methane are used. Although hydrocarbon spectra have been extensively studied at room temperature, there are no data available at higher temperatures. Quantum mechanical calculations, when available are not sufficiently accurate for combustion applications. This work presents experimental measurements of spontaneous Stokes-Raman scattering spectra of methane, ethylene, ethane, dimethyl ether, formaldehyde and propane in the temperature range 300-860 K. Raman spectra from heated hydrocarbons jets have been collected with a higher resolution than is generally employed for Raman measurements in combustion applications. A set of synthetic spectra have been generated for each hydrocarbon, providing the basis for extrapolation to higher temperatures. The spectra provided here will enable simultaneous measurements of multiple hydrocarbons in flames. This capability will greatly extend the range of applicability of Raman measurements in combustion applications. In addition, the experimental spectra provide a validation dataset for quantum mechanical models. Published by Elsevier Ltd.
C1 [Magnotti, G.; Barlow, R. S.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94550 USA.
[Kc, U.] King Abdullah Univ Sci & Technol, Clean Combust Res Ctr, Thuwal 23955, Saudi Arabia.
[Kc, U.; Varghese, P. L.] Univ Texas Austin, Dept Aerosp Engn & Engn Mech, Austin, TX 78712 USA.
RP Magnotti, G (reprint author), Sandia Natl Labs, Combust Res Facil, Livermore, CA 94550 USA.
EM gmagnot@sandia.gov
FU Division of Chemical Sciences, Geosciences and Biosciences, Office of
Basic Energy Sciences, US Department of Energy; Department of Energy
NNSA [DE-FC52-08NA28615]; United States Department of Energy
[DE-AC04-94-AL85000]
FX Work was supported by the Division of Chemical Sciences, Geosciences and
Biosciences, Office of Basic Energy Sciences, US Department of Energy.
Additional support was provided by the Department of Energy NNSA under
Grant no. DE-FC52-08NA28615. Sandia National Laboratories is a
multiprogram laboratory operated by Sandia Corporation, a Lockheed
Martin Company, for the United States Department of Energy under
Contract DE-AC04-94-AL85000. Contributions by Bob Harmon in support of
these experiments are gratefully acknowledged.
NR 47
TC 3
Z9 3
U1 5
U2 24
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0022-4073
EI 1879-1352
J9 J QUANT SPECTROSC RA
JI J. Quant. Spectrosc. Radiat. Transf.
PD SEP
PY 2015
VL 163
BP 80
EP 101
DI 10.1016/j.jqsrt.2015.04.018
PG 22
WC Optics; Spectroscopy
SC Optics; Spectroscopy
GA CN7OO
UT WOS:000358624100009
ER
PT J
AU Palanisamy, P
de Jong, M
Asta, M
Howe, JM
AF Palanisamy, Prakash
de Jong, Maarten
Asta, Mark
Howe, James M.
TI Examination of the electronic structure of crystalline and liquid Al
versus temperature by in situ electron energy-loss spectroscopy (EELS)
SO MICRON
LA English
DT Article
ID BAND-STRUCTURE; ABSORPTION-EDGE; ALUMINUM; METALS
AB Electron energy-loss near-edge structure (ELNES) analysis using in situ heating in a transmission electron microscope (TEM) was performed to compare the electronic structure of crystalline and liquid Al versus temperature. It was found that the ELNES features in the L-2,L-3 edges of crystalline and liquid Al are qualitatively similar, but that the edge threshold is modified and certain features in the energy range between 102 and 115 eV vanish in the liquid, indicating that partial DOS is quantitatively different. Broadening of the L-2,L-3 edge maximum for Al with temperature indicates a decay in the centrifugal barrier for the 2p electrons with increasing temperature. Comparison between the ELNES edge in supercooled liquid and crystalline Al at the same temperature of 600 degrees C shows that the degree of order, i.e., crystallinity, plays an important role in determining the DOS. The ELNES edge of supercooled liquid Al closely resembles that of superheated liquid Al. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Palanisamy, Prakash; Howe, James M.] Univ Virginia, Dept Mat Sci & Engn, Charlottesville, VA 22904 USA.
[de Jong, Maarten; Asta, Mark] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Asta, Mark] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Howe, JM (reprint author), Univ Virginia, Dept Mat Sci & Engn, 395 McCormick Rd, Charlottesville, VA 22904 USA.
EM jh9s@virginia.edu
FU National Science Foundation [DMR-1106230]
FX This research was supported by the National Science Foundation under
Grant DMR-1106230.
NR 30
TC 1
Z9 1
U1 2
U2 26
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0968-4328
J9 MICRON
JI Micron
PD SEP
PY 2015
VL 76
BP 14
EP 18
DI 10.1016/j.micron.2015.05.006
PG 5
WC Microscopy
SC Microscopy
GA CN5KM
UT WOS:000358468200003
PM 26021258
ER
PT J
AU Chan, TL
Souto-Casares, J
Chelikowsky, JR
Ho, KM
Wang, CZ
Zhang, SB
AF Chan, Tzu-Liang
Souto-Casares, Jaime
Chelikowsky, James R.
Ho, Kai-Ming
Wang, Cai-Zhuang
Zhang, S. B.
TI The role of quantum confinement in the formation of Schottky barriers in
Pb-Si interfaces
SO SOLID STATE COMMUNICATIONS
LA English
DT Article
DE Surfaces and interfaces; Quantum wells; Nanostructures; Electronic
structure
ID FERMI-LEVEL; SURFACE-STATES; CONTACTS; SYSTEMS; HEIGHT
AB Schottky barriers form when semiconductors are in contact with metal overlayers establishing a common Fermi level. Few theoretical studies of these materials exist as electronic structure calculations are computationally intensive for mismatched interfaces. We explicitly model a Pb(111) film on a Si(111) substrate. For thick Pb overlayers, we find a bulk regime where the Fermi level is pinned. For thin film regimes (less than five overlayers), structural relaxations dominate the interfacial energy as charge transfer is suppressed by quantum confinement. In this case, the Schottky barrier height follows the trend of the metal work function. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Chan, Tzu-Liang] Hong Kong Baptist Univ, Dept Phys, Hong Kong, Hong Kong, Peoples R China.
[Chan, Tzu-Liang; Souto-Casares, Jaime; Chelikowsky, James R.] Univ Texas Austin, Inst Computat Engn & Sci, Ctr Computat Mat, Austin, TX 78712 USA.
[Chan, Tzu-Liang; Zhang, S. B.] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA.
[Chelikowsky, James R.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA.
[Chelikowsky, James R.] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA.
[Ho, Kai-Ming; Wang, Cai-Zhuang] US DOE, Ames Lab, Ames, IA 50011 USA.
[Ho, Kai-Ming] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Chelikowsky, JR (reprint author), Univ Texas Austin, Inst Computat Engn & Sci, Ctr Computat Mat, Austin, TX 78712 USA.
EM tlachan@hkbu.edu.hk; jrc@utexas.edu
RI Chan, Tzu-Liang/C-3260-2015
OI Chan, Tzu-Liang/0000-0002-9655-0917
FU Department of Energy [DE-FG02-06ER46286]; Scientific Discovery through
Advanced Computing (SciDAC) program - U.S. Department of Energy, Office
of Science, Advanced Scientific Computing Research and Basic Energy
Sciences [DESC0008877]; U.S. Department of Energy [DE-SC0002623,
DE-AC02-07CH11358]; Computational Materials Science Network (CMSN); Ames
Laboratory
FX Work at Texas was supported by the Department of Energy for work on
nanostructures from Grant DE-FG02-06ER46286. We also wish to acknowledge
support provided by the Scientific Discovery through Advanced Computing
(SciDAC) program funded by U.S. Department of Energy, Office of Science,
Advanced Scientific Computing Research and Basic Energy Sciences under
Award no. DESC0008877 on algorithms. Work at Rensselaer Polytechnic
Institute was supported by the U.S. Department of Energy under Contract
no. DE-SC0002623 and Computational Materials Science Network (CMSN). ZW
and KMH wish to acknowledge support from Ames Laboratory, which is
operated for the U.S. Department of Energy by Iowa State University
under Contract no. DE-AC02-07CH11358. Work at Ames Laboratory was
supported by the Director for Energy Research, Office of Basic Energy
Sciences, Division of Material Science and Engineering. Computational
resources were provided in part by the National Energy Research
Scientific Computing Center (NERSC), the Texas Advanced Computing Center
(TACC), the Computational Center for Nanotechnology Innovations (CCNI),
and the High Performance Cluster Computing Center (HPCCC) at Hong Kong
Baptist University.
NR 45
TC 0
Z9 0
U1 5
U2 25
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0038-1098
EI 1879-2766
J9 SOLID STATE COMMUN
JI Solid State Commun.
PD SEP
PY 2015
VL 217
BP 43
EP 46
DI 10.1016/j.ssc.2015.05.014
PG 4
WC Physics, Condensed Matter
SC Physics
GA CN5HZ
UT WOS:000358461700010
ER
PT J
AU Zou, L
Zhao, HH
Zhang, HB
AF Zou, Ling
Zhao, Haihua
Zhang, Hongbin
TI Applications of high-resolution spatial discretization scheme and
Jacobian-free Newton-Krylov method in two-phase flow problems
SO ANNALS OF NUCLEAR ENERGY
LA English
DT Article
DE Jacobian-free Newton-Krylov method; High-resolution spatial
discretization scheme; Staggered grid; Implicit scheme
ID IMPLEMENTATION
AB The majority of the existing reactor system analysis codes were developed using low-order numerical schemes in both space and time. In many nuclear thermal-hydraulics applications, it is desirable to use higher-order numerical schemes to reduce numerical errors. High-resolution spatial discretization schemes provide high order spatial accuracy in smooth regions and capture sharp spatial discontinuity without nonphysical spatial oscillations. In this work, we adapted an existing high-resolution spatial discretization scheme on staggered grids in two-phase flow applications. Fully implicit time integration schemes were also implemented to reduce numerical errors from operator-splitting types of time integration schemes. The resulting nonlinear system has been successfully solved using the Jacobian-free Newton-Krylov (JFNK) method. The high-resolution spatial discretization and high-order fully implicit time integration numerical schemes were tested and numerically verified for several two-phase test problems, including a two-phase advection problem, a two-phase advection with phase appearance/disappearance problem, and the water faucet problem. Numerical results clearly demonstrated the advantages of using such high-resolution spatial and high-order temporal numerical schemes to significantly reduce numerical diffusion and therefore improve accuracy. Our study also demonstrated that the JFNK method is stable and robust in solving two-phase flow problems, even when phase appearance/disappearance exists. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Zou, Ling; Zhao, Haihua; Zhang, Hongbin] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Zou, L (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM ling.zou@inl.gov
RI Zou, Ling/D-7577-2016
OI Zou, Ling/0000-0003-0664-0474
FU U.S. Department of Energy under Department of Energy Idaho Operations
Office [DE-AC07-05ID14517]
FX This work is supported by the U.S. Department of Energy, under
Department of Energy Idaho Operations Office Contract DE-AC07-05ID14517.
Accordingly, the U.S. Government retains a nonexclusive, royalty-free
license to publish or reproduce the published form of this contribution,
or allow others to do so, for U.S. Government purposes.
NR 27
TC 8
Z9 8
U1 0
U2 3
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0306-4549
J9 ANN NUCL ENERGY
JI Ann. Nucl. Energy
PD SEP
PY 2015
VL 83
BP 101
EP 107
DI 10.1016/j.anucene.2015.04.016
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CN0IE
UT WOS:000358096500013
ER
PT J
AU Lee, JH
Yoon, SJ
Cho, HK
Jae, M
Park, GC
AF Lee, Jeong-Hun
Yoon, Su-Jong
Cho, Hyoung-Kyu
Jae, Moosung
Park, Goon-Cherl
TI Experimental investigation and CFD analysis on cross flow in the core of
PMR200
SO ANNALS OF NUCLEAR ENERGY
LA English
DT Article
DE VHTR; PMR200; Bypass flow; Cross flow; Pressure loss coefficient; CFD
ID FUEL BLOCKS
AB The Prismatic Modular Reactor (PMR) is one of the major Very High Temperature Reactor (VHTR) concepts, which consists of hexagonal prismatic fuel blocks and reflector blocks made of nuclear grade graphite. However, the shape of the graphite blocks could be easily changed by neutron damage during the reactor operation and the shape change can create gaps between the blocks inducing the bypass flow. In the VHTR core, two types of gaps, a vertical gap and a horizontal gap which are called bypass gap and cross gap, respectively, can be formed. The cross gap complicates the flow field in the reactor core by connecting the coolant channel to the bypass gap and it could lead to a loss of effective coolant flow in the fuel blocks. Thus, a cross flow experimental facility was constructed to investigate the cross flow phenomena in the core of the VHTR and a series of experiments were carried out under varying flow rates and gap sizes. The results of the experiments were compared with CFD (Computational Fluid Dynamics) analysis results in order to verify its prediction capability for the cross flow phenomena. Fairly good agreement was seen between experimental results and CFD predictions and the local characteristics of the cross flow was discussed in detail. Based on the calculation results, pressure loss coefficient across the cross gap was evaluated, which is necessary for the thermo-fluid analysis of the VHTR core using a lumped parameter code. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Lee, Jeong-Hun; Cho, Hyoung-Kyu; Park, Goon-Cherl] Seoul Natl Univ, Dept Nucl Engn, Seoul 151744, South Korea.
[Yoon, Su-Jong] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Jae, Moosung] Hanyang Univ, Dept Nucl Engn, Seoul 133791, South Korea.
RP Cho, HK (reprint author), Seoul Natl Univ, Dept Nucl Engn, 1 Gwanak Ro, Seoul 151744, South Korea.
EM chohk@snu.ac.kr
FU Basic Atomic Energy Research Institute (BAERI) Grant - Korean government
Ministry of Education and Science Technology (MEST) [NRF-2010-0018759]
FX This work was supported by a Basic Atomic Energy Research Institute
(BAERI) Grant funded by the Korean government Ministry of Education and
Science Technology (MEST) (NRF-2010-0018759).
NR 12
TC 1
Z9 1
U1 0
U2 3
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0306-4549
J9 ANN NUCL ENERGY
JI Ann. Nucl. Energy
PD SEP
PY 2015
VL 83
BP 422
EP 435
DI 10.1016/j.anucene.2015.04.002
PG 14
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA CN0IE
UT WOS:000358096500045
ER
PT J
AU Mukherjee, A
Rozelle, P
Pisupati, SV
AF Mukherjee, Amrita
Rozelle, Peter
Pisupati, Sarma V.
TI Effect of hydrophobicity on viscosity of carbonaceous solid-water slurry
SO FUEL PROCESSING TECHNOLOGY
LA English
DT Article
DE Coal; Petcoke; Hydrophobicity; Aggregation; Optimum particle-size
distribution; Viscosity
ID COAL-WATER; CONCENTRATED SUSPENSIONS; DENSE SLURRIES; RHEOLOGY;
STABILITY; DISPERSANT; PREDICTION; ADSORPTION; PARTICLES; MIXTURES
AB Carbonaceous solid-water slurry rheology is greatly affected by the surface properties of the carbonaceous solids used. Slurriability studies showed that, for the same solids loading, viscosities of highly hydrophobic petcoke and bitumen-water slurries were approximately one order of magnitude higher than the viscosity of non-hydrophobic Illinois #6 (bituminous) coal-water slurry. Apart from slurriability, the hydrophobicity of the carbonaceous solids was found to influence the type of additives used to reduce the viscosity. Selected to reduce viscosity, the addition of non-ionic additive Triton X-405 caused a drastic reduction in petcoke and bitumen-water slurry viscosities, whereas anionic additive ammonium lignosulfonate reduced Illinois #6 coal-water mixture viscosity more effectively. Optimum particle-size distribution was also found to be dependent on the surface properties of the solids. Experimentally determined optimum particle-size distributions were observed to deviate from the theoretical predictions. A deviation of 8% was noted in the case of Illinois #6 coal-water slurry, whereas deviations of 30% were observed in the case of hydrophobic bitumen and petcoke-water slurries. Viscosity predictions of semi-empirical models were compared to experimentally measured viscosities. The predicted viscosities did not match the experimental results, especially at higher solids loading. A thixotropic model taking into account particle aggregation was found to predict viscosity more accurately in the case of these hydrophobic carbonaceous solid-water slurries. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Mukherjee, Amrita; Pisupati, Sarma V.] Penn State Univ, John & Willie Leone Family Dept Energy & Mineral, University Pk, PA 16802 USA.
[Mukherjee, Amrita; Pisupati, Sarma V.] Penn State Univ, EMS Energy Inst, University Pk, PA 16802 USA.
[Rozelle, Peter] US DOE, Germantown, MD USA.
RP Pisupati, SV (reprint author), Penn State Univ, John & Willie Leone Family Dept Energy & Mineral, 110 Hosler Bldg, University Pk, PA 16802 USA.
EM sxp17@psu.edu
NR 41
TC 3
Z9 3
U1 3
U2 19
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-3820
EI 1873-7188
J9 FUEL PROCESS TECHNOL
JI Fuel Process. Technol.
PD SEP
PY 2015
VL 137
BP 124
EP 130
DI 10.1016/j.fuproc.2014.12.055
PG 7
WC Chemistry, Applied; Energy & Fuels; Engineering, Chemical
SC Chemistry; Energy & Fuels; Engineering
GA CM7XN
UT WOS:000357909900015
ER
PT J
AU Syal, MB
Schultz, PH
AF Syal, Megan Bruck
Schultz, Peter H.
TI Cometary impact effects at the Moon: Implications for lunar swirl
formation
SO ICARUS
LA English
DT Article
DE Impact processes; Comets; Moon; Regoliths; Magnetic fields
ID CRUSTAL MAGNETIC-ANOMALIES; 103P/HARTLEY 2; OORT CLOUD; PHOTOMETRIC
ANOMALIES; OPTICAL-PROPERTIES; FINEST FRACTION; JET IMPINGEMENT; DEEP
IMPACT; SURFACE; COMA
AB Relatively recent cometary impacts at the Moon could leave unique traces of their origins: high impact velocities and volatile abundances, combined with the presence of a dust- and ice-laden coma, may thermally and mechanically process the lunar surface in ways distinct from the impact of an asteroid. Here we analytically and numerically assess the consequences of a cometary impact at the Moon by considering the combined effects of a collision by the nucleus and inner coma. Our results show that cometary impacts entrain the finest fraction of lunar soil grains (<10 mu m) over regional scales (similar to 100-1000 km), produce large masses of vaporized material, and likely generate transient magnetic fields that could exceed the Earth's surface field strength by a factor of 10(4). This combination of processes is consistent with a mechanism to generate lunar swirls: the diffuse, meandering disturbances in brightness and regolith texture that curl across much of the lunar far-side and are also commonly (but not exclusively) associated with magnetic anomalies. Previous observations of swirl features indicate that bright regions also possess a peculiar, altered regolith structure, which can be produced by the removal of fine soil grains. Regional scouring by an impacting comet explains both the structure and albedo variations: large dynamic pressures entrain the smallest grains within a near-surface flow of dusty plasma, disrupting the backscattering, "fairy-castle" structure of lunar soils in equilibrium with the airless environment. The resulting surface is brightened by compaction of the previously open, porous macrostructure. Darker lanes observed within swirl regions are interpreted as possible melt and/or vapor deposits. Finally, the intense magnetic fields generated during high-speed cometary impacts provide an explanation for correlations between swirl locations and magnetic anomalies. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Syal, Megan Bruck] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Schultz, Peter H.] Brown Univ, Dept Earth Environm & Planetary Sci, Providence, RI 02912 USA.
RP Syal, MB (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
EM syal1@llnl.gov
FU NASA Earth and Space Science Fellowship [NNXC12AL79H]; NASA Planetary
Geology and Geophysics [NNX12AI76G]
FX This work was supported by NASA Earth and Space Science Fellowship grant
NNXC12AL79H and NASA Planetary Geology and Geophysics grant NNX12AI76G.
NR 124
TC 5
Z9 5
U1 0
U2 9
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0019-1035
EI 1090-2643
J9 ICARUS
JI Icarus
PD SEP 1
PY 2015
VL 257
BP 194
EP 206
DI 10.1016/j.icarus.2015.05.005
PG 13
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA CN0KA
UT WOS:000358101300014
ER
PT J
AU Wang, LF
AF Wang, Li-Fang
TI A parametric convex meshfree formulation for approximating the Helmholtz
solution in circular coaxial waveguide
SO INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC NETWORKS DEVICES
AND FIELDS
LA English
DT Article
DE meshfree; geometric mapping; convex approximation; circular coaxial
waveguide
ID FINITE-ELEMENT-METHOD; EQUATION; VERSION; NUMBER
AB The application of convex meshfree approximation to the time-harmonic electromagnetic wave propagation analysis of a waveguide with non-convex cross section such as the circular coaxial waveguide remains unsolved. This paper introduces a parametric convex meshfree formulation for the circular coaxial waveguide analysis. The present method reformulates the convex meshfree approximation on the basis of a special parametric space?an extended parametric domain. The new parametric domain ensures a one-to-one geometric mapping using the convex meshfree approximation and allows the convex meshfree method to be applied to the oscillatory type of Helmholtz equation for circular coaxial waveguide analysis. Both transverse electric and transverse magnetic mode studies are conducted using the present method, and results are compared with the standard bilinear finite element method. Copyright (c) 2014 John Wiley & Sons, Ltd.
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Wang, LF (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave,L-410, Livermore, CA 94550 USA.
EM wang22@llnl.gov
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX This work performed under the auspices of the U.S. Department of Energy
by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344.
NR 33
TC 0
Z9 0
U1 1
U2 1
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0894-3370
EI 1099-1204
J9 INT J NUMER MODEL EL
JI Int. J. Numer. Model.-Electron. Netw. Device Fields
PD SEP-OCT
PY 2015
VL 28
IS 5
BP 551
EP 561
DI 10.1002/jnm.2034
PG 11
WC Engineering, Electrical & Electronic; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA CN4DC
UT WOS:000358378800006
ER
PT J
AU Bygd, HC
Akilbekova, D
Munoz, A
Forsmark, KD
Bratlie, KM
AF Bygd, Hannah C.
Akilbekova, Dana
Munoz, Adam
Forsmark, Kiva D.
Bratlie, Kaitlin M.
TI Poly-L-arginine based materials as instructive substrates for fibroblast
synthesis of collagen
SO BIOMATERIALS
LA English
DT Article
DE Fibroblast; Collagen; Collagen structure; Cell morphology
ID CELL-MIGRATION; 2ND-HARMONIC GENERATION; HUMAN-SKIN; IN-VITRO; SURFACES;
ADHESION; WETTABILITY; MICROSCOPY; PEPTIDES; DELIVERY
AB The interactions of cells and surrounding tissues with biomaterials used in tissue engineering, wound healing, and artificial organs ultimately determine their fate in vivo. We have demonstrated the ability to tune fibroblast responses with the use of varied material chemistries. In particular, we examined cell morphology, cytokine production, and collagen fiber deposition angles in response to a library of arginine-based polymeric materials. The data presented here shows a large range of vascular endothelial growth factor (VEGF) secretion (0.637 ng/10(6) cells/day to 3.25 ng/10(6) cells/day), cell migration (similar to 15 min < persistence time < 120 min, 0.11 mu m/min < speed < 0.23 mu m/min), and cell morphology (0.039 < form factor (FF) < 0.107). Collagen orientation, quantified by shape descriptor (D) values that ranges from 0 to 1, representing completely random (D = 0) to aligned (D = 1) fibers, exhibited large variation both in vitro and in vivo (0.167 < D < 0.36 and 0.17 < D < 0.52, respectively). These findings demonstrate the ability to exert a certain level of control over cellular responses with biomaterials and the potential to attain a desired cellular response such as, increased VEGF production or isotropic collagen deposition upon exposure to these materials in wound healing and tissue engineering applications. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Bygd, Hannah C.; Akilbekova, Dana; Munoz, Adam; Bratlie, Kaitlin M.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
[Munoz, Adam] Univ Calif San Diego, Dept Nanoengn, La Jolla, CA 92093 USA.
[Forsmark, Kiva D.; Bratlie, Kaitlin M.] Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA.
[Bratlie, Kaitlin M.] Ames Natl Lab, Ames, IA 50011 USA.
RP Bratlie, KM (reprint author), Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
EM kbratlie@iastate.edu
RI Akilbekova, Dana/L-3319-2016;
OI Akilbekova, Dana/0000-0003-3694-0355; Bratlie,
Kaitlin/0000-0002-5197-0176
FU National Science Foundation [CBET-1227867]; Roy J. Carver Charitable
Trust [13-4265]; NSF [ARI-R2 (CMMI-0963224)]; MARC U-STAR Award from the
National Institutes of Health, National Institute of General Medical
Sciences [T34GM087193]
FX The authors would like to thank Samuel Sparland for his help with
material synthesis, as well as Rachel Philiph and Chenhao Ren for their
help with the collection of cell migration data. This work was supported
by the National Science Foundation under Grant No. CBET-1227867 and the
Roy J. Carver Charitable Trust Grant No. 13-4265. The authors also
acknowledge support from NSF ARI-R2 (CMMI-0963224) for funding the
renovation of the research laboratories used for these studies. A.M. is
grateful to a MARC U-STAR Award (Award Number T34GM087193) from the
National Institutes of Health, National Institute of General Medical
Sciences.
NR 53
TC 4
Z9 4
U1 4
U2 39
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0142-9612
EI 1878-5905
J9 BIOMATERIALS
JI Biomaterials
PD SEP
PY 2015
VL 63
BP 47
EP 57
DI 10.1016/j.biomaterials.2015.05.045
PG 11
WC Engineering, Biomedical; Materials Science, Biomaterials
SC Engineering; Materials Science
GA CM7XS
UT WOS:000357910400005
PM 26081867
ER
PT J
AU Dideriksen, K
Frandsen, C
Bovet, N
Wallace, AF
Sel, O
Arbour, T
Navrotsky, A
De Yoreo, JJ
Banfield, JF
AF Dideriksen, Knud
Frandsen, Cathrine
Bovet, Nicolas
Wallace, Adam F.
Sel, Ozlem
Arbour, Tyler
Navrotsky, Alexandra
De Yoreo, James J.
Banfield, Jillian F.
TI Formation and transformation of a short range ordered iron carbonate
precursor
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID RAY PHOTOELECTRON-SPECTROSCOPY; PAIR DISTRIBUTION FUNCTION; EARLY
DIAGENETIC SIDERITE; FE ISOTOPE FRACTIONATION; HYDROUS FERRIC-OXIDE;
ELEMENTAL COMPOSITION; CALCIUM-CARBONATE; CO2; REDUCTION; MAGNETITE
AB Fe(II)-carbonates, such as siderite, form in environments where O-2 is scarce, e.g., during marine sediment diagenesis, corrosion and possibly CO2 sequestration, but little is known about their formation pathways. We show that early precipitates from carbonate solutions containing 0.1 M Fe(II) with varying pH produced broad peaks in X-ray diffraction and contained dominantly Fe and CO3 when probed with X-ray photoelectron spectroscopy. Reduced pair distribution function (PDF) analysis shows only peaks corresponding to interatomic distances below 15 angstrom, reflecting a material with no long range structural order. Moreover, PDF peak positions differ from those for known iron carbonates and hydroxides. Mossbauer spectra also deviate from those expected for known iron carbonates and suggest a less crystalline structure. These data show that a previously unidentified iron carbonate precursor phase formed. Its coherent scattering domains determined from PDF analysis are slightly larger than for amorphous calcium carbonate, suggesting that the precursor could be nanocrystalline. Replica exchange molecular dynamics simulations of Fe-carbonate polynuclear complexes yield PDF peak positions that agree well with those from experiments, offering the possibility that the material is a condensate of such complexes, assembled in a relatively unorganised fashion. If this is the case, the material could be nearly amorphous, rather than being composed of well defined nanocrystals. PDF measurements of samples ageing in solution coupled with refinement with the software PDFgui show that the material transforms to siderite or siderite/chukanovite mixtures within hours and that the transformation rate depends on pH. The identified Fe-carbonate precursor may potentially form during anaerobic corrosion or bacterial Fe reduction. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Dideriksen, Knud; Bovet, Nicolas] Univ Copenhagen, Dept Chem, Nanosci Ctr, DK-2100 Copenhagen O, Denmark.
[Frandsen, Cathrine] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
[Wallace, Adam F.] Univ Delaware, Dept Geol Sci, Newark, DE USA.
[Sel, Ozlem] Univ Paris 06, CNRS, UPR 15, LISE, F-75005 Paris, France.
[Dideriksen, Knud; Arbour, Tyler; Banfield, Jillian F.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
[Navrotsky, Alexandra] Univ Calif Davis, NEAT ORU, Peter A Rock Thermochem Lab, Davis, CA 95616 USA.
[De Yoreo, James J.] Pacific NW Natl Lab, Div Phys Sci, Richland, WA 99352 USA.
RP Dideriksen, K (reprint author), Univ Copenhagen, Dept Chem, Nanosci Ctr, Univ Pk 5, DK-2100 Copenhagen O, Denmark.
EM knud@nano.ku.dk
RI bovet, nicolas/B-4092-2014; Frandsen, Cathrine/A-5729-2011; Dideriksen,
Knud/D-1010-2016
OI bovet, nicolas/0000-0002-5081-0517; Frandsen,
Cathrine/0000-0001-5006-924X; Dideriksen, Knud/0000-0003-3067-4834
FU Villum Kann Rasmussen Foundation; European Community through funding of
the CarbFix project [FP7-283148]; Danish Councils for Independent
Research (Via DANSCATT); Center for Nanoscale Control of Geologic CO2;
Energy Frontier Research Center - U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences [DE-AC02-05CH11231]; Argonne
National Laboratory [DE-AC02-06CH11357]; Danish Councils for Independent
Research
FX This work was funded by the Villum Kann Rasmussen Foundation; The
European Community through funding of the CarbFix project, Grant
Agreement No. FP7-283148; The Danish Councils for Independent Research
(Via DANSCATT) for funding travel costs; The project was partially
supported by the Center for Nanoscale Control of Geologic
CO2, an Energy Frontier Research Center funded by the U.S.
Department of Energy, Office of Science, Office of Basic Energy Sciences
under Award No. DE-AC02-05CH11231. This research used resources of the
Advanced Photon Source, a U.S. Department of Energy (DOE) Office of
Science User Facility operated for the DOE Office of Science by Argonne
National Laboratory under Contract No. DE-AC02-06CH11357. C.F.
acknowledges funding from the Danish Councils for Independent Research.
NR 62
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PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
EI 1872-9533
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD SEP 1
PY 2015
VL 164
BP 94
EP 109
DI 10.1016/j.gca.2015.05.005
PG 16
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CM9IM
UT WOS:000358021900006
ER
PT J
AU Simanova, AA
Kwon, KD
Bone, SE
Bargar, JR
Refson, K
Sposito, G
Pena, J
AF Simanova, Anna A.
Kwon, Kideok D.
Bone, Sharon E.
Bargar, John R.
Refson, Keith
Sposito, Garrison
Pena, Jasquelin
TI Probing the sorption reactivity of the edge surfaces in birnessite
nanoparticles using nickel(II)
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID X-RAY-DIFFRACTION; METAL SORBED BIRNESSITE; NA-RICH BIRNESSITE; BIOGENIC
MN-OXIDES; HEXAGONAL-BIRNESSITE; MANGANESE OXIDE; PHYLLOMANGANATE
NANOPARTICLES; ELECTRON-DIFFRACTION; PSEUDOMONAS-PUTIDA;
HYDROGEN-PEROXIDE
AB Birnessite minerals are layer-type manganese oxides characterized by large surface areas, the presence of cation vacancy sites and varying amounts of structural and adsorbed Mn(III). In this study, we identify the conditions that favor trace metal adsorption on the edge surfaces of birnessite nanoparticles by using Ni as a probe ion for Ni K-edge extended X-ray absorption fine structure (EXAFS) spectroscopy and geometry optimizations based on density function theory (DFT). In d-MnO2 nanoparticles free of Mn(II, III) at pH 6.6, Ni was adsorbed primarily at vacancy sites, with a minor fraction of Ni present as a double-edge sharing (DES) or a double-corner sharing (DCS) complex at surface loadings exceeding the vacancy content. In Mn(III)-rich d-MnO2 nanoparticles, about 80% of the adsorbed Ni formed a mixture of DES and DCS complexes at particle edges in samples with loadings ranging from 0.01 to 0.08 mol Ni mol(-1) Mn, with only a small fraction of vacancy sites available to adsorb Ni. The presence of Mn(III) at the nanoparticle edges also changed the architecture of the DES complex, causing the Ni octahedra to adsorb onto the cavity formed between two Mn(III) octahedra at the particle edges. The EXAFS-derived Ni-Mn interatomic distances of 3.01-3.05 angstrom for this "flipped" Ni-DES complex were in excellent agreement with those obtained by DFT geometry optimization. Edge surfaces on birnessite nanoparticles have a lower affinity for trace metals than vacancy sites, but have a moderate sorption capacity (ca. 0.14 mol Ni mol(-1) Mn at vacancies vs. 0.06 mol Ni mol(-1) Mn at edge surfaces). Finally, although Mn(III) increases the relative proportion of Ni adsorbed at particle edges by blocking sorption sites on the basal surface, the overall sorption capacity of the mineral diminishes significantly. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Simanova, Anna A.; Pena, Jasquelin] Univ Lausanne, Inst Earth Surface Dynam, CH-1015 Lausanne, Switzerland.
[Kwon, Kideok D.] Kangwon Natl Univ, Dept Geol, Chunchon 200701, South Korea.
[Bone, Sharon E.; Bargar, John R.] Stanford Synchrotron Radiat Lightsource, Chem & Catalysis Div, Menlo Pk, CA 94025 USA.
[Refson, Keith] STFC Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Sposito, Garrison] Lawrence Berkeley Natl Lab, Div Earth Sci, Dept Geochem, Berkeley, CA 94720 USA.
[Refson, Keith] Univ London, Dept Phys, Egham TW20 0EX, Surrey, England.
RP Pena, J (reprint author), UNIL Mouline, 4879 Geopolis, CH-1015 Lausanne, Switzerland.
EM jasquelin.pena@unil.ch
FU Office of Energy Research, Office of Basic Energy Sciences of the U.S.
Department of Energy [DEAC02-05CH11231]; Sandoz Family Foundation; Basic
Science Research Program through the National Research Foundation of
Korea (NRF) - Ministry of Science, ICT and Future Planning
[NRF-2013R1A1A1004657]; Science of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX This research was funded by the Director, Office of Energy Research,
Office of Basic Energy Sciences of the U.S. Department of Energy under
Contract No. DEAC02-05CH11231 and a Sandoz Family Foundation Grant to J.
Pena. K. Kwon acknowledges support from the Basic Science Research
Program through the National Research Foundation of Korea (NRF) funded
by the Ministry of Science, ICT and Future Planning
(NRF-2013R1A1A1004657). Portions of this research were carried out at
the Stanford Synchrotron Radiation Lightsource, a national user facility
operated by Stanford University on behalf of the U.S. Department of
Energy, Office of Basic Energy Sciences. Parts of our computations were
performed by using resources of the National Energy Research Scientific
Computing Center, which is supported by the Office of Science of the
U.S. Department of Energy under Contract No. DE-AC02-05CH11231. G.
Sposito acknowledges support from his appointment as Chancellor's
Professor, University of California at Berkeley. Finally, the authors
thank Case van Genuchten for the PDF data and Francesco F. Marafatto for
the preparation of TcBi.
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PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
EI 1872-9533
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD SEP 1
PY 2015
VL 164
BP 191
EP 204
DI 10.1016/j.gca.2015.04.050
PG 14
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CM9IM
UT WOS:000358021900012
ER
PT J
AU Villa, IM
De Bievre, P
Holden, NE
Renne, PR
AF Villa, I. M.
De Bievre, P.
Holden, N. E.
Renne, P. R.
TI IUPAC-IUGS recommendation on the half life of Rb-87
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID DECAY CONSTANTS; GEOCHRONOLOGY; AGE
AB The IUPAC-IUGS joint Task Group "Isotopes in Geosciences" recommends a value of (49.61 +/- 0.16) Ga for the half life of Rb-87, corresponding to a decay constant lambda(87) = (1.3972 +/- 0.0045) x 10(-11) a(-1). (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Villa, I. M.; De Bievre, P.; Holden, N. E.; Renne, P. R.] Univ Bern, Inst Geol, Joint IUPAC IUGS Task Grp Isotope Data Geosci, CH-3012 Bern, Switzerland.
[Villa, I. M.; Renne, P. R.] Int Union Geol Sci, Beijing 100037, Peoples R China.
[De Bievre, P.; Holden, N. E.] Int Union Pure & Appl Chem, Res Triangle Pk, NC 27709 USA.
[Villa, I. M.] Univ Bern, Inst Geol, CH-3012 Bern, Switzerland.
[Villa, I. M.] Univ Milano Bicocca, Ctr Univ Dataz & Archeometria, I-20126 Milan, Italy.
[Holden, N. E.] Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA.
[Renne, P. R.] Berkeley Geochronol Ctr, Berkeley, CA 94720 USA.
[Renne, P. R.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
RP Villa, IM (reprint author), Univ Bern, Inst Geol, CH-3012 Bern, Switzerland.
EM igor@geo.unibe.ch
FU International Union of Geological Sciences; International Unit of Pure
and Applied Chemistry
FX The TGIG was funded in equal parts by the International Union of
Geological Sciences and the International Unit of Pure and Applied
Chemistry. Detailed, constructive reviews by Anonymous 1, Anonymous 2,
D.W. Davis, and extensive editorial comments by Y. Amelin were very
useful and are gratefully acknowledged.
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PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
EI 1872-9533
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD SEP 1
PY 2015
VL 164
BP 382
EP 385
DI 10.1016/j.gca.2015.05.025
PG 4
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA CM9IM
UT WOS:000358021900023
ER
PT J
AU Szanyi, J
Kwak, JH
AF Szanyi, Janos
Kwak, Ja Hun
TI Photo-catalytic oxidation of acetone on a TiO2 powder: An in situ FTIR
investigation
SO JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
LA English
DT Article
DE TiO2; Photo-oxidation opf acetone; Intermediates; Reaction mechanism;
FTIR spectroscopy
ID ACETIC-ACID; PHOTOCATALYTIC OXIDATION; RADICAL EJECTION; PHOTOOXIDATION;
TIO2(110); WATER; ADSORPTION; PHOTODECOMPOSITION; PHOTOCHEMISTRY;
NANOPARTICLES
AB In situ transmission infrared spectroscopy was used to investigate the photo-oxidation of acetone on a commercial, oxidized TiO2 (P25) powder catalyst under UV irradiation at ambient temperature, in the absence and presence of gas phase O-2. The photochemistry of a number of organic molecules (2-butanone, methanol and acetic acid,) under the same conditions was also studied in order to identify reaction intermediates and products formed in the photo-oxidation of acetone. Under anaerobic conditions (in the absence of gas phase oxygen) limited extent of photo-oxidation of acetone took place on the oxidized TiO2 sample. In the presence of O-2 in the gas phase, however, acetone was completely converted to acetates and formates, and ultimately CO2. The initial step in the sequence of photo-induced reactions is the ejection of a methyl radical, resulting in the formation of surface acetates (from the acetyl group) and formates (from the methyl radicals). Acetate ions are also converted to formates, that, in turn, photo-oxidized to CO2. Under the experimental conditions applied the accumulation of carbonates and bicarbonates were observed on the TiO2 surface as the photo-oxidation of acetone proceeded (this was also observed during the course of photo-oxidation of all the other organics studied here). When the initial radical ejection step produced hydrocarbons containing more than one C atoms (as in the case in 2-butanone and mesytil oxide), the formation of aldehydes on the catalyst surface was also observed as a result of secondary reactions. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Szanyi, Janos; Kwak, Ja Hun] Pacific NW Natl Lab, Inst Integrated Catalysis, Richland, WA 99354 USA.
RP Szanyi, J (reprint author), Pacific NW Natl Lab, Inst Integrated Catalysis, Richland, WA 99354 USA.
EM janos.szanyi@pnnl.gov
FU US Department of Energy Basic Energy Sciences, Office of Science,
Division of Chemical Sciences, Geosciences Biosciences; UNIST (Ulsan
National Institute of Science and Technology, Ulsan, Korea)
FX This work was supported by the US Department of Energy Basic Energy
Sciences, Office of Science, Division of Chemical Sciences, Geosciences
& Biosciences. Pacific Northwest National Laboratory is operated by
Battelle for the US Department of Energy. JHK also acknowledges the
support of this work by the 2014 Research Fund of UNIST (Ulsan National
Institute of Science and Technology, Ulsan, Korea). The authors thank
M.A. Henderson for the fruitful discussions on the photo-oxidation of
organic molecules on TiO2.
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PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1381-1169
EI 1873-314X
J9 J MOL CATAL A-CHEM
JI J. Mol. Catal. A-Chem.
PD SEP
PY 2015
VL 406
BP 213
EP 223
DI 10.1016/j.molcata.2015.05.025
PG 11
WC Chemistry, Physical
SC Chemistry
GA CM6ZF
UT WOS:000357839500028
ER
PT J
AU Yin, S
Nie, WY
Mohite, AD
Saxena, A
Smith, DL
Ruden, PP
AF Yin, Sun
Nie, Wanyi
Mohite, Aditya D.
Saxena, Avadh
Smith, Darryl L.
Ruden, P. Paul
TI Current-voltage characteristics of organic heterostructure devices with
insulating spacer layers
SO ORGANIC ELECTRONICS
LA English
DT Article
DE Organic heterostructure; Insulating spacer layer; Current-voltage
characteristics
ID CONJUGATED POLYMERS; CHARGE-TRANSFER; SOLAR-CELLS; MOBILITY; CONVERSION;
FILMS; MODEL
AB The dark current density in donor/acceptor organic planar heterostructure devices at a given forward voltage bias can either increase or decrease when an insulating spacer layer is added between the donor and acceptor layers. The dominant current flow process in these systems involves the formation and subsequent recombination of interfacial exciplex states. If the exciplex recombination rate limits current flow, an insulating interface layer decreases the dark current. However, if the exciplex formation rate limits the current, an insulating interface layer may increase the dark current. We present a device model to describe this behavior, and we discuss relevant experimental data. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Yin, Sun; Nie, Wanyi; Mohite, Aditya D.; Saxena, Avadh; Smith, Darryl L.; Ruden, P. Paul] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Yin, Sun] Shandong Univ, Dept Phys, Jinan 250100, Peoples R China.
[Smith, Darryl L.; Ruden, P. Paul] Univ Minnesota, Minneapolis, MN 55455 USA.
RP Yin, S (reprint author), Shandong Univ, Dept Phys, Jinan 250100, Peoples R China.
EM yinsun@sdu.edu.cn
FU Los Alamos LDRD program; China's Visiting Scholarship; Excellent Youth
and Middle Age Scientists Fund of Shandong Province [BS2012CL025];
Independent Innovation Foundation of Shandong University [2012TS022]
FX We thank B.K. Crone and S.A. Crooker for valuable comments. The work at
LANL is supported by the Los Alamos LDRD program. S.Y. thanks the
financial support by China's Visiting Scholarship, the Excellent Youth
and Middle Age Scientists Fund of Shandong Province (No. BS2012CL025)
and the Independent Innovation Foundation of Shandong University (No.
2012TS022).
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PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1566-1199
EI 1878-5530
J9 ORG ELECTRON
JI Org. Electron.
PD SEP
PY 2015
VL 24
BP 26
EP 29
DI 10.1016/j.orgel.2015.05.018
PG 4
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CN2IP
UT WOS:000358244600004
ER
PT J
AU Hellerich, ES
Manna, E
Heise, R
Biswas, R
Shinar, R
Shinar, J
AF Hellerich, Emily S.
Manna, Eeshita
Heise, Robert
Biswas, Rana
Shinar, Ruth
Shinar, Joseph
TI Deep blue/ultraviolet microcavity OLEDs based on solution-processed
PVK:CBP blends
SO ORGANIC ELECTRONICS
LA English
DT Article
DE UV-to-blue OLED arrays; UV-to-blue microcavity OLED arrays; PVK:CBP OLED
arrays; Polymer/small molecule mixed emission layer; Ab initio
simulations of OLED EL spectra
ID LIGHT-EMITTING DEVICE; COMBINATORIAL FABRICATION; DIODES; SENSORS;
OXYGEN; CHIP; DERIVATIVES; EFFICIENCY; PLATFORM; PLANAR
AB There is an increasing need to develop stable, high-intensity, efficient OLEDs in the deep blue and UV. Applications include blue pixels for displays and tunable narrow solid-state UV sources for sensing, diagnostics, and development of a wide band spectrometer-on-a-chip. With the aim of developing such OLEDs we demonstrate an array of deep blue to near UV tunable microcavity (mu c) OLEDs (lambda similar to 373-469 nm) using, in a unique approach, a mixed emitting layer (EML) of poly(N-vinyl carbazole) (PVK) and 4,4'-bis(9-carbazolyl)-biphenyl (CBP), whose ITO-based devices show a broad electroluminescence (EL) in the wavelength range of interest. This 373-469 nm band expands the 493-640 nm range previously attained with mu cOLEDs into the desired deep blue-to-near UV range. Moreover, the current work highlights interesting characteristics of the complexity of mixed EML emission in combinatorial 2-d mu cOLED arrays of the structure 40 nm Ag/x nm MoOx/similar to 30 nm PVK: CBP (3: 1 weight ratio)/y nm 4,7-diphenyl-1,10-phenanthroline (BPhen)/1 nm LiF/100 nm Al, where x = 5, 10, 15, and 20 nm and y = 10, 15, 20, and 30 nm. In the short wavelength mu c devices, only CBP emission was observed, while in the long wavelength mu c devices the emission from both PVK and CBP was evident. To understand this behavior simulations based on the scattering matrix method, were performed. The source profile of the EML was extracted from the measured EL of ITO-based devices. The calculated mu c spectra indeed indicated that in the thinner, short wavelength devices the emission is primarily from CBP; in the thicker devices both CBP and PVK contribute to the EL. This situation is due to the effect of the optical cavity length on the relative contributions of PVK and CBP EL through a change in the wavelength-dependent emission rate, which was not suggested previously. Structural analysis of the EML and the preceding MoOx layer complemented the data analysis. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Hellerich, Emily S.; Manna, Eeshita; Biswas, Rana; Shinar, Joseph] Iowa State Univ, USDOE, Ames Lab, Ames, IA 50011 USA.
[Manna, Eeshita; Biswas, Rana] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Manna, Eeshita; Biswas, Rana; Shinar, Ruth] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA.
[Heise, Robert] US DOE, Ames Lab, Indianola, IA 50125 USA.
[Heise, Robert] Simpson Coll, Indianola, IA 50125 USA.
[Shinar, Ruth] Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA.
RP Shinar, R (reprint author), Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA.
EM rshinar@iastate.edu; jshinar@iastate.edu
FU US Department of Energy (USDOE) [DE-AC 02-07CH11358]; Basic Energy
Sciences, Division of Materials Science and Engineering, USDOE; USDOE,
Office of Science, Office of Workforce Development for Teachers and
Scientists (WDTS); Office of Science of the USDOE [DE-AC02-05CH11231]
FX Ames Laboratory is operated by Iowa State University for the US
Department of Energy (USDOE) under Contract No. DE-AC 02-07CH11358. The
research was partially supported by Basic Energy Sciences, Division of
Materials Science and Engineering, USDOE. This work was supported in
part by the USDOE, Office of Science, Office of Workforce Development
for Teachers and Scientists (WDTS) under the Science Undergraduate
Laboratory Internship (SULI) program. This research used resources of
the National Energy Research Scientific Computing Center, which is
supported by the Office of Science of the USDOE under Contract No.
DE-AC02-05CH11231. We also thank Chun Xu for the computational programs.
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PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1566-1199
EI 1878-5530
J9 ORG ELECTRON
JI Org. Electron.
PD SEP
PY 2015
VL 24
BP 246
EP 253
DI 10.1016/j.orgel.2015.05.041
PG 8
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA CN2IP
UT WOS:000358244600038
ER
PT J
AU Huang, C
Zhao, YK
Li, ZL
Yuan, Y
Chen, C
Tan, WB
Gao, S
Gao, LF
Zhou, JZ
Wang, AJ
AF Huang, Cong
Zhao, Youkang
Li, Zhiling
Yuan, Ye
Chen, Chuan
Tan, Wenbo
Gao, Shuang
Gao, Lingfang
Zhou, Jizhong
Wang, Aijie
TI Enhanced elementary sulfur recovery with sequential sulfate-reducing,
denitrifying sulfide-oxidizing processes in a cylindrical-type anaerobic
baffled reactor
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Cylindrical-type ABR; Sulfate reduction; Nitrate reduction; Elemental
sulfur recovery; Microbial communities analysis
ID SIMULTANEOUS BIOLOGICAL REMOVAL; WASTE-WATER TREATMENT; MICROBIAL
COMMUNITY; SP-NOV; LOADING RATE; GEN. NOV.; DENITRIFICATION; NITROGEN;
PERFORMANCE; REDUCTION
AB Simultaneous removal of COD, SO42 and NO3 and recovery of elemental sulfur (S-0) were evaluated in a four-compartment anaerobic baffled reactor (ABR) with separated functional units of sulfate reduction (SR) and denitrifying sulfide removal (DSR). Optimal SO42 -S/NO3 -N ratio was evaluated as 5: 5, with a substantial improvement of S-0 recovery maintained at 79.1%, one of the highest level ever reported; meanwhile, removal rates of COD, SO42 and NO3 were approached at 71.9%, 92.9% and 98.6%, respectively. Nitrate served as a key factor to control the shift of SR and DSR related populations, with the possible involvement of Thauera sp. during SR and Sulfurovum sp. or Acidiferrobacter sp. during DSR, respectively. DsrB and aprA genes were the most abundant during SR and DSR processes, respectively. Cylindrical-type ABR with the improved elemental sulfur recovery was recommended to deal with sulfate and nitrate-laden wastewater under the optimized SO42 /NO3 ratio. (C) 2015 Published by Elsevier Ltd.
C1 [Huang, Cong; Zhao, Youkang; Li, Zhiling; Yuan, Ye; Chen, Chuan; Tan, Wenbo; Gao, Shuang; Wang, Aijie] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China.
[Gao, Lingfang; Wang, Aijie] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China.
[Zhou, Jizhong] Univ Oklahoma, Dept Microbiol & Plant Biol, Inst Environm Genom, Norman, OK 73019 USA.
[Zhou, Jizhong] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94270 USA.
RP Wang, AJ (reprint author), Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China.
EM waj0578@hit.edu.cn
FU National High-tech R&D Program of China (863 Program) [2011AA060904];
National Science Foundation for Distinguished Young Scholars of China
[51225802]; Science Fund for Creative Research Groups of the National
Natural Science Foundation of China [51121062]; National Key Technology
Research and Development Program of the Ministry of Science and
Technology of China [2010BAC67B02]; National Natural Science Foundation
of China [51176037, 51308147]; Fundamental Research Funds for Central
Universities of China [AUGA5710055514]
FX We gratefully acknowledge the support by the National High-tech R&D
Program of China (863 Program, Grant No. 2011AA060904), by National
Science Foundation for Distinguished Young Scholars of China (Grant No.
51225802), by Science Fund for Creative Research Groups of the National
Natural Science Foundation of China (Grant No. 51121062), by National
Key Technology Research and Development Program of the Ministry of
Science and Technology of China (2010BAC67B02), by the National Natural
Science Foundation of China (Grant Nos. 51176037 and 51308147), and by
Fundamental Research Funds for Central Universities of China
(AUGA5710055514).
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PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0960-8524
EI 1873-2976
J9 BIORESOURCE TECHNOL
JI Bioresour. Technol.
PD SEP
PY 2015
VL 192
BP 478
EP 485
DI 10.1016/j.biortech.2015.04.103
PG 8
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA CM4OL
UT WOS:000357664200062
PM 26080105
ER
PT J
AU Harrington, TD
Tran, VN
Mohamed, A
Renslow, R
Biria, S
Orfe, L
Call, DR
Beyenal, H
AF Harrington, Timothy D.
Tran, Vi N.
Mohamed, Abdelrhman
Renslow, Ryan
Biria, Saeid
Orfe, Lisa
Call, Douglas R.
Beyenal, Haluk
TI The mechanism of neutral red-mediated microbial electrosynthesis in
Escherichia coli: menaquinone reduction
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Neutral red; Electron transfer; Bioelectrochemical system; Microbial
electrosynthesis; Menaquinone
ID GENE-EXPRESSION; MEMBRANE; FERMENTATION; SYSTEM; HYDROGENASE; SHIFT;
WATER
AB The aim of this work was to elucidate the mechanism of mediated microbial electrosynthesis via neutral red from an electrode to fermenting Escherichia coli cultures in a bioelectrochemical system. Chemical reduction of NAD+ by reduced neutral red did not occur as predicted. Instead, neutral red was shown to reduce the menaquinone pool in the inner bacterial membrane. The reduced menaquinone pool altered fermentative metabolite production via the arcB redox-sensing cascade in the absence of terminal electron acceptors. When the acceptors DMSO, fumarate, or nitrate were provided, as many as 19% of the electrons trapped in the reduced acceptors were derived from the electrode. These results demonstrate the mechanism of neutral red-mediated microbial electrosynthesis during fermentation as well as how neutral red enables microbial electrosynthesis of reduced terminal electron acceptors. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Harrington, Timothy D.; Tran, Vi N.; Mohamed, Abdelrhman; Biria, Saeid; Beyenal, Haluk] Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA.
[Renslow, Ryan] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Orfe, Lisa; Call, Douglas R.] Washington State Univ, Paul G Allen Sch Global Anim Hlth, Pullman, WA 99164 USA.
RP Beyenal, H (reprint author), Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA.
EM beyenal@wsu.edu
RI Mohamed, Abdelrhman/A-3573-2017
OI Mohamed, Abdelrhman/0000-0003-2132-0487
FU NSF [0954186]; NIH [5T32GM008336-24]; Department of Energy's Office of
Biological and Environmental Research; Linus Pauling Distinguished
Postdoctoral Fellowship at Pacific Northwest National Laboratory
FX This work was supported by NSF Career Award 0954186, and T.D.H. was
partially supported by NIH Training Grant 5T32GM008336-24. The authors
thank Jerome T. Babauta for his instrumental advice in the preparation
of this manuscript. RSR acknowledges the Environmental Molecular
Sciences Laboratory (EMSL), a national scientific user facility
sponsored by the Department of Energy's Office of Biological and
Environmental Research, and the Linus Pauling Distinguished Postdoctoral
Fellowship at Pacific Northwest National Laboratory.
NR 36
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PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0960-8524
EI 1873-2976
J9 BIORESOURCE TECHNOL
JI Bioresour. Technol.
PD SEP
PY 2015
VL 192
BP 689
EP 695
DI 10.1016/j.biortech.2015.06.037
PG 7
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA CM4OL
UT WOS:000357664200088
PM 26094195
ER
PT J
AU Yilmaz, N
Vigil, FM
Vigil, MS
Branam, R
Tolendino, G
Gill, W
Donaldson, AB
AF Yilmaz, Nadir
Vigil, Francisco M.
Vigil, Miquela S.
Branam, Robert
Tolendino, Greg
Gill, Walt
Donaldson, A. Burl
TI Effect of grain orientation on aluminum relocation at incipient melt
conditions
SO MECHANICS OF MATERIALS
LA English
DT Article
DE Aluminum deformation; Compressive strength; Oxide skin; Creep
AB Aluminum is commonly used for structural applications in the aerospace industry because of its high strength in relation to its weight. It is necessary to understand the mechanical response of aluminum structures at elevated temperatures such as those experienced in a fire. Aluminum alloys exhibit many complicated behaviors that require further research and understanding, such as aluminum combustion, oxide skin formation and creep behavior. This paper discusses the effect of grain orientation on aluminum deformation subjected to heating at incipient melt conditions. Experiments were conducted by applying a vertical compressive force to aluminum alloy 7075 block test specimens. Compression testing was done on test specimens with the applied load on the long transverse and short transverse orientations. Results showed that the grain orientation significantly influences aluminum's strength and mode of failure. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Yilmaz, Nadir; Vigil, Francisco M.; Vigil, Miquela S.; Branam, Robert] New Mexico Inst Min & Technol, Dept Mech Engn, Socorro, NM 87801 USA.
[Tolendino, Greg] New Mexico State Univ, Dept Mech Engn, Las Cruces, NM 88003 USA.
[Gill, Walt; Donaldson, A. Burl] Sandia Natl Labs, Fire Sci & Technol, Albuquerque, NM 87123 USA.
RP Yilmaz, N (reprint author), New Mexico Inst Min & Technol, Dept Mech Engn, Socorro, NM 87801 USA.
EM yilmaznadir@yahoo.com
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX Sandia is a multi-program laboratory operated by Sandia Corporation, a
Lockheed Martin Company, for the United States Department of Energy's
National Nuclear Security Administration under contract
DE-AC04-94AL85000.
NR 5
TC 0
Z9 0
U1 1
U2 3
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-6636
EI 1872-7743
J9 MECH MATER
JI Mech. Mater.
PD SEP
PY 2015
VL 88
BP 44
EP 49
DI 10.1016/j.mechmat.2015.04.011
PG 6
WC Materials Science, Multidisciplinary; Mechanics
SC Materials Science; Mechanics
GA CM5DU
UT WOS:000357707800004
ER
PT J
AU Lupoi, JS
Singh, S
Parthasarathi, R
Simmons, BA
Henry, RJ
AF Lupoi, Jason S.
Singh, Seema
Parthasarathi, Ramakrishnan
Simmons, Blake A.
Henry, Robert J.
TI Recent innovations in analytical methods for the qualitative and
quantitative assessment of lignin
SO RENEWABLE & SUSTAINABLE ENERGY REVIEWS
LA English
DT Review
DE Lignin structure; Lignin composition; Lignin quantitation; Spectroscopy;
Chromatography; Pyrolysis; 2D-NMR
ID NEAR-INFRARED-SPECTROSCOPY; FT-RAMAN SPECTROSCOPY; PLANT-CELL WALLS;
IONIC LIQUID PRETREATMENT; BOND-DISSOCIATION ENTHALPIES;
EUCALYPTUS-GLOBULUS WOOD; SUGAR-CANE BAGASSE; GAS CHROMATOGRAPHY/MASS
SPECTROMETRY; BROMIDE SPECTROPHOTOMETRIC METHOD; SIZE-EXCLUSION
CHROMATOGRAPHY
AB As the attraction of creating biofuels and bio-based chemicals from lignocellulosic biomass has increased, researchers have been challenged with developing a better understanding of lignin structure, quantity and potential uses. Lignin has frequently been considered a waste-product from the deconstruction of plant cell walls, in attempts to isolate polysaccharides that can be hydrolyzed and fermented into fuel or other valuable commodities. In order to develop useful applications for lignin, accurate analytical instrumentation and methodologies are required to qualitatively and quantitatively assess, for example, what the structure of lignin looks like or how much lignin comprises a specific feedstock's cellular composition. During the past decade, various diverse strategies have been employed to elucidate the structure and composition of lignin. These techniques include using two-dimensional nuclear magnetic resonance to resolve overlapping spectral data, measuring biomass with vibrational spectroscopy to enable modeling of lignin content or monomeric ratios, methods to probe and quantify the linkages between lignin and polysaccharides, or refinements of established methods to provide higher throughput analyses, less use of consumables, etc. This review seeks to provide a comprehensive overview of many of the advancements achieved in evaluating key lignin attributes. Emphasis is placed on research endeavored in the last decade. (C) 2015 The Authors. Published by Elsevier Ltd.
C1 [Lupoi, Jason S.; Simmons, Blake A.; Henry, Robert J.] Univ Queensland, Queensland Alliance Agr & Food Innovat, St Lucia, Qld 4072, Australia.
[Lupoi, Jason S.; Singh, Seema; Parthasarathi, Ramakrishnan; Simmons, Blake A.] Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Singh, Seema; Parthasarathi, Ramakrishnan; Simmons, Blake A.] Sandia Natl Labs, Biol & Mat Sci Ctr, Livermore, CA 94551 USA.
RP Lupoi, JS (reprint author), Sage Analyt, 1650 38th St, Boulder, CO 80229 USA.
EM slupoi0213@gmail.com; seesing@sandia.gov; parthas@lbl.gov;
basimmons@lbl.gov; robert.henry@uq.edu.au
RI Henry, Robert/B-5824-2008;
OI Henry, Robert/0000-0002-4060-0292; Simmons, Blake/0000-0002-1332-1810
FU Queensland Alliance for Agriculture and Food Innovation; Joint BioEnergy
Institute; Office of Science, Office of Biological and Environmental
Research, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This review was supported as part of a collaboration between the
Queensland Alliance for Agriculture and Food Innovation and the Joint
BioEnergy Institute. The work conducted by the Joint BioEnergy Institute
was supported by the Office of Science, Office of Biological and
Environmental Research, of the U.S. Department of Energy under Contract
No. DE-AC02-05CH11231.
NR 355
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U2 184
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PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1364-0321
J9 RENEW SUST ENERG REV
JI Renew. Sust. Energ. Rev.
PD SEP
PY 2015
VL 49
BP 871
EP 906
DI 10.1016/j.rser.2015.04.091
PG 36
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels
SC Science & Technology - Other Topics; Energy & Fuels
GA CL7HA
UT WOS:000357141900069
ER
PT J
AU Davidovich, RL
Marinin, DV
Stavila, V
Whitmire, KH
AF Davidovich, Ruven L.
Marinin, Dmitry V.
Stavila, Vitalie
Whitmire, Kenton H.
TI Structural chemistry of fluoride and oxofluoride complexes of
titanium(IV)
SO COORDINATION CHEMISTRY REVIEWS
LA English
DT Review
DE Titanium(IV); Fluoride; Complexes; Crystal structure; Monomeric;
Polymeric
ID METAL PEROXOFLUORO COMPLEXES; CRYSTAL-STRUCTURE; STRUCTURE CRISTALLINE;
INTERNAL MOBILITY; BIS(TETRAMETHYLAMMONIUM) HEXAFLUOROTITANATE(IV);
ORGANOMETALLIC FLUORIDES; VIBRATIONAL-SPECTRA; TEMPERATURE PHASE; DONOR
LIGANDS; X-RAY
AB The crystal structures of 119 fluoride and oxofluoride complexes of titanium(IV) (88 fluoride and 31 oxofluoride compounds) published to date have been analyzed and reviewed. Depending on the degree and nature of the association of structural units, the analyzed structures can be divided into monomeric, dimeric, oligomeric, and polymeric, including chain and layered polymeric structures. The manuscript describes the occurrence of various structural motifs, the coordination and geometry of complex anions and cations, as well as the driving forces behind supramolecular crystal assembly. A comprehensive table is compiled to provide details about composition, values of terminal and bridging Ti-F and Ti-O bonds, as well as the corresponding references. A table of crystallographic data for the investigated fluoride and oxofluoride complexes of titanium(IV) is presented in the Appendix. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Davidovich, Ruven L.; Marinin, Dmitry V.] Russian Acad Sci, Inst Chem, Far Eastern Branch, Vladivostok 690022, Russia.
[Stavila, Vitalie] Sandia Natl Labs, Energy Nanomat, Livermore, CA 94550 USA.
[Whitmire, Kenton H.] Rice Univ, Dept Chem, Houston, TX 77005 USA.
RP Davidovich, RL (reprint author), Russian Acad Sci, Inst Chem, Far Eastern Branch, 159 Prosp 100 Letiya Vladivostoka, Vladivostok 690022, Russia.
EM davidovich@ich.dvo.ru; whitmir@rice.edu
OI Whitmire, Kenton/0000-0001-7362-535X
FU Robert A. Welch Foundation [C-0976]
FX KHW thanks the Robert A. Welch Foundation for financial support
(C-0976).
NR 137
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U1 3
U2 20
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0010-8545
EI 1873-3840
J9 COORDIN CHEM REV
JI Coord. Chem. Rev.
PD SEP 1
PY 2015
VL 299
BP 61
EP 82
DI 10.1016/j.ccr.2015.04.002
PG 22
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA CL8MM
UT WOS:000357228800004
ER
PT J
AU Srinivasan, S
Karra, S
AF Srinivasan, Shriram
Karra, Satish
TI Flow of "stress power-law" fluids between parallel rotating discs with
distinct axes
SO INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
LA English
DT Article
DE Stress power-law fluids; Power law fluids; Non-Newtonian fluids;
Orthogonal rheometer; Implicit constitutive theory
ID MAXWELL ORTHOGONAL RHEOMETER; NAVIER-STOKES EQUATION; PLATES; STABILITY;
MECHANICS; AXIS
AB The problem of flow between parallel rotating discs with distinct axes corresponds to the case of flow in an orthogonal rheometer and has been studied extensively for different fluids since the instrument's inception. All the prior studies presume a constitutive prescription of the fluid stress in terms of the kinematical variables. In this paper, we approach the problem from a different perspective, i.e., a constitutive specification of the symmetric part of the velocity gradient in terms of the Cauchy stress. Such an approach ensures that the boundary conditions can be incorporated in a manner quite faithful to real world experiments with the instrument. Interestingly, the choice of the boundary condition is critical to the solvability of the problem for the case of creeping/Stokes flow. When the no-slip condition is enforced at the boundaries, depending on the model parameters and axes offset, the fluid response can show non-uniqueness or unsolvability, features which are absent in a conventional constitutive specification. Moreover, in case of creeping/Stokes flow with prescribed values of the stress, the fluid response is indeterminate. We also record the response of a particular case of the given "stress power-law" fluid; one that cannot be attained by the conventional power-law fluids. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Srinivasan, Shriram] Univ Alberta, Dept Stat & Math Sci, Edmonton, AB T6G 2G1, Canada.
[Karra, Satish] Los Alamos Natl Lab, EES Computat Earth Sci Grp 16, Los Alamos, NM 87545 USA.
RP Srinivasan, S (reprint author), Univ Alberta, Dept Stat & Math Sci, Edmonton, AB T6G 2G1, Canada.
EM shriram@ualberta.ca
OI Srinivasan, Shriram/0000-0003-2629-3668; Karra,
Satish/0000-0001-7847-6293
NR 24
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U2 4
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7462
EI 1878-5638
J9 INT J NONLIN MECH
JI Int. J. Non-Linear Mech.
PD SEP
PY 2015
VL 74
BP 73
EP 83
DI 10.1016/j.ijnonlinmec.2015.04.004
PG 11
WC Mechanics
SC Mechanics
GA CL5GR
UT WOS:000356988300008
ER
PT J
AU Holmes, NP
Nicolaidis, N
Feron, K
Barr, M
Burke, KB
Al-Mudhaffer, M
Sista, P
Kilcoyne, ALD
Stefan, MC
Zhou, XJ
Dastoor, PC
Belcher, WJ
AF Holmes, Natalie P.
Nicolaidis, Nicolas
Feron, Krishna
Barr, Matthew
Burke, Kerry B.
Al-Mudhaffer, Mohammed
Sista, Prakash
Kilcoyne, A. L. David
Stefan, Mihaela C.
Zhou, Xiaojing
Dastoor, Paul C.
Belcher, Warwick J.
TI Probing the origin of photocurrent in nanoparticulate organic
photovoltaics
SO SOLAR ENERGY MATERIALS AND SOLAR CELLS
LA English
DT Article
DE Morphology; Nanoparticle; Organic photovoltaic; Photocurrent
contribution; Scanning transmission X-ray microscopy
ID POLYMER SOLAR-CELLS; ACTIVE LAYER MORPHOLOGIES; MOLECULAR-WEIGHTS;
BLENDS; POLY(3-HEXYLTHIOPHENE); PERFORMANCE; EFFICIENCY; P3HT/PCBM;
SOLVENT; FILMS
AB Varying the donor-acceptor ratio is a common technique in optimising organic photovoltaic (OPV) device performance. Here we fabricate poly(3-hexylthiophene) (P3HT): phenyl C-61 butyric acid methyl ester (PCBM) nanoparticle OPVs with varied donor-acceptor ratios from 1:0.5 to 1:2. Device performance increases with PCBM loading from 1:0.5 to 1:1, then surprisingly from 1:1 to 1:2 the performance plateaus, unlike reported trends in bulk heterojunction (BHJ) OPVs where device performance drops significantly as the donor:acceptor ratio increases beyond 1:1. Scanning transmission X-ray microscopy (STXM) measurements reveal core-shell nanoparticles for all donor:acceptor ratios with a systematic increase in the PCBM nanoparticle core volume observed as the PCBM loading is increased. This increases the functional PCBM domain size available for exciton harvesting, contrary to the result observed in BHJ OPV devices where increasing the PCBM loading does not lead to an increase in functional PCBM domains. In addition, STXM measurements reveal that the core-shell nanoparticles have core and shell compositions that change with PCBM loading. In particular, we observe that the PCBM component in the nanoparticle shell phase increases from a concentration that is below the percolation limit to one that is close to the optimal weight fraction for charge transport. This increase in the functional PCBM volume is reflected in an increase in PCBM photocurrent calculated from external quantum efficiency (EQE) measurements. (C) 2015 Elsevier B.V. 411 rights reserved.
C1 [Holmes, Natalie P.; Nicolaidis, Nicolas; Feron, Krishna; Barr, Matthew; Burke, Kerry B.; Al-Mudhaffer, Mohammed; Zhou, Xiaojing; Dastoor, Paul C.; Belcher, Warwick J.] Univ Newcastle, Ctr Organ Elect, Callaghan, NSW 2308, Australia.
[Feron, Krishna] CSIRO, Energy Technol, Newcastle, NSW 2300, Australia.
[Sista, Prakash; Stefan, Mihaela C.] Univ Texas Dallas, Dept Chem, Richardson, TX 75080 USA.
[Kilcoyne, A. L. David] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Al-Mudhaffer, Mohammed] Univ Basrah, Coll Educ Pure Sci, Dept Phys, Basrah, Iraq.
RP Holmes, NP (reprint author), Univ Newcastle, Ctr Organ Elect, Univ Dr, Callaghan, NSW 2308, Australia.
EM Natalie.Holmes@uon.edu.au
RI Feron, Krishna/L-2963-2013; Kilcoyne, David/I-1465-2013
FU University of Newcastle; Australian Renewable Energy Agency (ARENA),
Australia; ARENA; Commonwealth of Australia through the Access to Major
Research Facilities Program; Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy, United states
[DE-AC02-05CH11231]; Welch Foundation, United states [AT1740]; National
Science Foundation, United states [DMR-0956116, CHE-1126177]
FX Special thanks to at the University of Newcastle Electron Microscopy and
X-ray Unit. The University of Newcastle and the Australian Renewable
Energy Agency (ARENA), Australia are gratefully acknowledged for PhD
scholarships (N.P.H.). ARENA is also acknowledged for supporting a
postdoctoral fellowship (K.F.). We acknowledge financial support from
the Commonwealth of Australia through the Access to Major Research
Facilities Program. The ALS is supported by the Director, Office of
Science, Office of Basic Energy Sciences, of the U.S. Department of
Energy, United states under Contract no. DE-AC02-05CH11231. This work
was performed in part at the Materials and NSW node of the Australian
National Fabrication Facility, which is a company established under the
National Collaborative Research Infrastructure Strategy to provide nano-
and microfabrication facilities for Australia's researchers. Special
thanks to Adam Fahy for experimental assistance. M.C.S. gratefully
acknowledges financial support from the Welch Foundation, United states
(AT1740), and National Science Foundation, United states (DMR-0956116
and CHE-1126177).
NR 41
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U1 5
U2 39
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-0248
EI 1879-3398
J9 SOL ENERG MAT SOL C
JI Sol. Energy Mater. Sol. Cells
PD SEP
PY 2015
VL 140
BP 412
EP 421
DI 10.1016/j.solmat.2015.04.044
PG 10
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA CL2AU
UT WOS:000356746800054
ER
PT J
AU Li, T
Fan, D
Lu, L
Huang, JY
Zhao, F
Qi, ML
Sun, T
Fezzaa, K
Xiao, XH
Zhou, XM
Suo, T
Chen, W
Li, YL
Zhu, MH
Luo, SN
AF Li, T.
Fan, D.
Lu, L.
Huang, J. Y.
Zhao, F.
Qi, M. L.
Sun, T.
Fezzaa, K.
Xiao, X. H.
Zhou, X. M.
Suo, T.
Chen, W.
Li, Y. L.
Zhu, M. H.
Luo, S. N.
TI Dynamic fracture of C/SiC composites under high strain-rate loading:
microstructures and mechanisms
SO CARBON
LA English
DT Article
ID CHEMICAL-VAPOR INFILTRATION; EPOXY COMPOSITE; SILICON-CARBIDE; SHOCK
RESPONSE; TENSILE BEHAVIOR; CARBON; DAMAGE; ENVIRONMENTS; BAR
AB We investigate dynamic fracture of C/SiC composites under high strain-rate compression or tension with split Hopkinson pressure bar (SHPB) and gas gun loading. Components of the as-fabricated composites are mapped and quantified with X-ray computed tomography, including C fibers and fiber bundles, SiC matrix, and inter- and intrabundle voids. Compression loading is applied along the out-of- and in-plane directions by SHPB at strain rates of 10(2)-10(3) s(-1) along with in situ X-ray phase contrast imaging. Out-of-plane direction compression and tension are examined with gas gun impact at strain rates 10(4)-10(5) s(-1). For the out-of-plane loading, compression induces fracture via void collapse and shear damage banding, while delamination dominates fracture for the in-plane direction compression. With increasing strain rates, the compression failure modes transit from interbundle to intrabundle fracture of SiC, and then to fiber and bundle breaking. Tensile failure involves delamination, fiber pullout and fiber breaking. In contrary to normal solids, dynamic tensile or spall strength decreases with increasing impact velocities, owing to compression-induced predamage before subsequent tensile loading. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Li, T.; Suo, T.; Li, Y. L.] Northwestern Polytech Univ, Fundamental Sci Aircraft Struct Mech & Strength L, Xian 710072, Shaanxi, Peoples R China.
[Li, T.; Fan, D.; Lu, L.; Huang, J. Y.; Zhao, F.; Zhou, X. M.; Luo, S. N.] Peac Inst Multiscale Sci, Chengdu 610031, Sichuan, Peoples R China.
[Lu, L.; Huang, J. Y.] Univ Sci & Technol China, Dept Modern Mech, CAS Key Lab Mat Behav & Design, Hefei 230027, Anhui, Peoples R China.
[Qi, M. L.] Wuhan Univ Technol, Sch Sci, Wuhan 430070, Hubei, Peoples R China.
[Sun, T.; Fezzaa, K.; Xiao, X. H.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Chen, W.] Purdue Univ, Sch Aeronaut & Astronaut, W Lafayette, IN 47907 USA.
[Chen, W.] Purdue Univ, Sch Mat Sci Engn, W Lafayette, IN 47907 USA.
[Zhu, M. H.] Southwest Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Sichuan, Peoples R China.
RP Li, YL (reprint author), Northwestern Polytech Univ, Fundamental Sci Aircraft Struct Mech & Strength L, Xian 710072, Shaanxi, Peoples R China.
EM liyulong@nwpu.edu.cn; zhuminhao@swjtu.cn; sluo@pims.ac.cn
RI Luo, Sheng-Nian /D-2257-2010; E, Juncheng/O-1588-2015
OI Luo, Sheng-Nian /0000-0002-7538-0541; E, Juncheng/0000-0001-6061-5734
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; 973 Project [2014CB845904]; National
Natural Science Foundation of China [11102168, 11272267, 11372256,
11472227]; 111 Project of P.R. China [B07050]; Fundamental Research
Funds for the Central Universities [310201401JCQ01001]; NSAF [U1230202]
FX We thank Prof. X.W. Yin at NWPU for supplying the C/SiC composite
samples. Use of the Advanced Photon Source was supported by the U.S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences, under Contract No. DE-AC02-06CH11357. This work is partially
supported by the 973 Project (No. 2014CB845904), National Natural
Science Foundation of China (No. 11102168, No. 11272267, No. 11372256,
and No. 11472227), the 111 Project of P.R. China (No. B07050),
Fundamental Research Funds for the Central Universities (No.
310201401JCQ01001), and NSAF (No. U1230202).
NR 47
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U1 9
U2 76
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-6223
EI 1873-3891
J9 CARBON
JI Carbon
PD SEP
PY 2015
VL 91
BP 468
EP 478
DI 10.1016/j.carbon.2015.05.015
PG 11
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA CK9IT
UT WOS:000356554500049
ER
PT J
AU Svensson, SP
Sarney, WL
Yu, KM
Ting, M
Calley, WL
Novikov, SV
Foxon, CT
Walukiewicz, W
AF Svensson, S. P.
Sarney, W. L.
Yu, K. M.
Ting, M.
Calley, W. L.
Novikov, S. V.
Foxon, C. T.
Walukiewicz, W.
TI Determination of N-/Ga-rich growth conditions, using in-situ auger
electron spectroscopy
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE Characterization; Surface structure; Nitrides; Gallium compounds;
Semiconducting III-V materials; Semiconducting gallium compounds
ID MOLECULAR-BEAM EPITAXY; GA-RICH; SURFACE MORPHOLOGIES
AB In-situ Auger electron spectroscopy was used to determine the 1:1 flux ratios of Ga and N during growth of GaN by molecular beam epitaxy at low substrate temperatures. By linearly ramping the Ga-flux, while keeping the N-flux constant, and simultaneously measuring the chemical composition by monitoring N and Ga Auger peaks, the time of deviation from stoichiometry could be determined. The method was applied at very low substrate temperatures where reflection high-energy electron diffraction does not reveal clear growth mode changes. The importance of the N- vs Ga-rich conditions were confirmed with transmission electron microscopy which showed a distinct change in crystallinity between material at the top and bottom of the film, which are in agreement with previous findings. Published by Elsevier B.V.
C1 [Svensson, S. P.; Sarney, W. L.] US Army Res Lab, Adelphi, MD 20783 USA.
[Yu, K. M.; Ting, M.; Walukiewicz, W.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Yu, K. M.] City Univ Hong Kong, Dept Phy & Mat Sci, Kowloon, Hong Kong, Peoples R China.
[Ting, M.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
[Calley, W. L.] Staib Instruments Inc, Williamsburg, VA 23185 USA.
[Novikov, S. V.; Foxon, C. T.] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England.
RP Svensson, SP (reprint author), US Army Res Lab, 2800 Powder Mill Rd, Adelphi, MD 20783 USA.
EM stefan.p.svensson.civ@mail.mil
OI Yu, Kin Man/0000-0003-1350-9642
NR 16
TC 2
Z9 2
U1 0
U2 13
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 2
EP 4
DI 10.1010/j.jcrysgro.2015.02.035
PG 3
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200002
ER
PT J
AU Wood, MR
Kanedy, K
Lopez, F
Weimer, M
Klem, JF
Hawkins, SD
Shaner, EA
Kim, JK
AF Wood, M. R.
Kanedy, K.
Lopez, F.
Weimer, M.
Klem, J. F.
Hawkins, S. D.
Shaner, E. A.
Kim, J. K.
TI Monolayer-by-monolayer compositional analysis of InAs/InAsSb
superlattices with cross-sectional STM
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE High resolution x-ray diffraction; Scanning tunneling microscopy;
Segregation; Molecular beam pitaxy; Super lattices; Semiconducting III-V
materials
ID SEGREGATION
AB We use cross-sectional scanning tunneling microscopy (STM) to reconstruct the monolayer-by-monolayer composition profile across a representative subset of MBE-grown InAs/InAsSb superlattice layers and find that antimony segregation frustrates the intended compositional discontinuities across both antimonide-on-arsenide and arsenide-on-antimonide heterojunctions. Graded, rather than abrupt, interfaces are formed in either case. We likewise find that the incorporated antimony per superlattice period varies measurably from beginning to end of the multilayer stack. Although the intended antimony discontinuities predict significant discrepancies with respect to the experimentally observed high-resolution x-ray diffraction spectrum, dynamical simulations based on the STM-derived profiles provide an excellent quantitative match to all important aspects of the x-ray data. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Wood, M. R.; Kanedy, K.; Lopez, F.; Weimer, M.] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA.
[Klem, J. F.; Hawkins, S. D.; Shaner, E. A.; Kim, J. K.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Wood, MR (reprint author), Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA.
EM mrwood@physics.tamu.edu
FU Sandia National Laboratories; ARO silk [W911NF-14-1-0645]
FX STM work at Texas A&M University was supported by Sandia National
Laboratories and by ARO silk (W911NF-14-1-0645). The authors also wish
to acknowledge Dr. Sergey Stepanov and Argonne National Laboratory for
maintaining the publicly accessible x-ray simulation software [12] used
in this study.
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U1 10
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PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 110
EP 114
DI 10.1016/j.jcrysgro.2015.02.063
PG 5
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200026
ER
PT J
AU Williams, JJ
Fischer, AM
Williamson, TL
Gangam, S
Faleev, NN
Hoffbauer, MA
Honsberg, CB
AF Williams, J. J.
Fischer, A. M.
Williamson, T. L.
Gangam, S.
Faleev, N. N.
Hoffbauer, M. A.
Honsberg, C. B.
TI High growth speed of gallium nitride using ENABLE-MBE
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE High resolution X-ray diffraction; Cathodoluminescence; Molecular beam
cpitaxy; Gallium compounds; Nitrides
AB Films of gallium nitride were grown at varying growth speeds, while all other major variables were held constant. Films grown determine the material impact of the high flux capabilities of the unique nitrogen plasma source ENABLE. Growth rates ranged from 13 to near 60 nm/min. X-ray omega scans of GaN (0002) have FVVHM in all samples less than 300 arc see. Cathodolurninescence shovvs radiative recombination for all samples at the band edge. In general material quality overall is high with slight degradation as growth speeds increase to higher rates. (C) 2015 Published by Elsevier BM.
C1 [Williams, J. J.] Arizona State Univ, Mat Sci Engn, Tempe, AZ 85287 USA.
[Fischer, A. M.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
[Williamson, T. L.; Hoffbauer, M. A.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Gangam, S.; Faleev, N. N.; Honsberg, C. B.] Arizona State Univ, Ira A Fulton Sch Engn, Sch Elect Comp & Energy Engn, Solar Power Lab, Tempe, AZ 85287 USA.
RP Williams, JJ (reprint author), Arizona State Univ, Mat Sci Engn, POB 875706, Tempe, AZ 85287 USA.
EM joshua.j.williams@asu.edu
FU Engineering Research Center Program of the National Science Foundation;
Office of Energy Efficiency and Renewable Energy of the Department of
Energy under NSF [EEC-1041895]
FX This material is based upon work primarily supported by the Engineering
Research Center Program of the National Science Foundation and the
Office of Energy Efficiency and Renewable Energy of the Department of
Energy under NSF Cooperative Agreement No, EEC-1041895. Any opinions,
findings and conclusions or recommendations expressed in this material
are those of the author(s) and do not necessarily reflect those of the
National Science Foundation or Department of Energy, We gratefully
acknowledge the use of facilities within the LeRoy Eyring Center for
Solid State Science at Arizona State University.
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U1 3
U2 13
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 129
EP 132
DI 10.1016/j.jcrysgro.2015.04.007
PG 4
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200030
ER
PT J
AU Rajpalke, MK
Linhart, WM
Yu, KM
Jones, TS
Ashwin, MJ
Veal, TD
AF Rajpalke, M. K.
Linhart, W. M.
Yu, K. M.
Jones, T. S.
Ashwin, M. J.
Veal, T. D.
TI Bi flux-dependent MBE growth of GaSbBi alloys
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE High resolution X-ray diffraction; Molecular beam epitaxy; Antimonides;
Bismuth compounds; Gallium compounds; Semiconducting III-V materials
ID LIQUID-PHASE EPITAXY
AB The incorporation of Bi in GaSb1-xBix alloys grown by molecular beam epitaxy is investigated as a function of Bi flux at fixed growth temperature (275 degrees'C) and growth rate (1 mu m h(-1)). The Bi content is found to vary proportionally with Bi flux with Bi contents, as measured by Rutherford backscattering, in the range 0 < x <= 4.5%. The GaSbBi samples grown at the lowest Bi fluxes have smooth surfaces free of metallic droplets. The higher Bi flux samples have surface Bi droplets. The room temperature band gap of the GaSbBi epitaxial layers determined from optical absorption decreases linearly with increasing Bi content with a reduction of similar to 32 meV/'%'Bi. (C) 2015 The Authors. Published by Elsevier B.V.
C1 [Rajpalke, M. K.; Linhart, W. M.; Veal, T. D.] Univ Liverpool, Sch Phys Sci, Stephenson Inst Renewable Energy, Liverpool L69 7ZF, Merseyside, England.
[Rajpalke, M. K.; Linhart, W. M.; Veal, T. D.] Univ Liverpool, Sch Phys Sci, Dept Phys, Liverpool L69 7ZF, Merseyside, England.
[Yu, K. M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Yu, K. M.] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China.
[Jones, T. S.; Ashwin, M. J.] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England.
RP Veal, TD (reprint author), Univ Liverpool, Sch Phys Sci, Stephenson Inst Renewable Energy, Chadwick Bldg,Peach St, Liverpool L69 7ZF, Merseyside, England.
EM T.Veal@liverpool.ac.uk
RI Veal, Tim/A-3872-2010; ashwin, mark/A-2426-2014
OI Veal, Tim/0000-0002-0610-5626; ashwin, mark/0000-0001-8657-8097
FU Engineering and Physical Sciences Research Council (EPSRC)
[EP/G004447/2, EP/H021388/1]; Office of Science, Office of Basic Energy
Sciences, Materials Sciences and Engineering Division, of the U.S.
Department of Energy [DE-AC02-05CH11231]
FX The work at Liverpool and Warwick was supported by the Engineering and
Physical Sciences Research Council (EPSRC) under Grant nos. EP/G004447/2
and EP/H021388/1. RBS measurements performed at Lawrence Berkeley
National Lab were supported by the Director, Office of Science, Office
of Basic Energy Sciences, Materials Sciences and Engineering Division,
of the U.S. Department of Energy under Contract no. DE-AC02-05CH11231.
NR 21
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U1 2
U2 17
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 241
EP 244
DI 10.1016/j.jcrysgro.2015.02.093
PG 4
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200056
ER
PT J
AU Sarney, WL
Svensson, SP
Novikov, SV
Yu, KM
Walukiewicz, W
Ting, M
Foxon, CT
AF Sarney, W. L.
Svensson, S. P.
Novikov, S. V.
Yu, K. M.
Walukiewicz, W.
Ting, M.
Foxon, C. T.
TI Exploration of the growth parameter space for MBE-grown GaN1-xSbx highly
mismatched alloys
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE Crystal structure; Molecular beam epitaxy; Nitrides; Semiconducting
III-V materials
ID MOLECULAR-BEAM EPITAXY
AB Highly mismatched CaN1-xSbx alloys were grown under N-rich conditions at low substrate temperatures (325-550 degrees C) at a growth rates of similar to 0.09 mu m/hr on sapphire. The alloys ranged in Sb composition from 0% to 16%, with the bandgap shifting from 3.3 to 1.6 eV in accordance with the band anticrossing (BAC) model. We compare these results to growths from another chamber, having a different N source, and using a faster growth rate (similar to 0.24 mu m/hr), much lower substrate temperatures (as low as 80 degrees C), different III/V ratios and absolute fluxes. Despite the range of morphologies obtained, all alloys follow the predictions of the BAC model with the bandgap only depending on the Sb composition. Published by Elsevier BM.
C1 [Sarney, W. L.; Svensson, S. P.] US Army, Res Lab, Adelphi, MD 20783 USA.
[Novikov, S. V.; Foxon, C. T.] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England.
[Yu, K. M.; Walukiewicz, W.; Ting, M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Yu, K. M.] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China.
[Ting, M.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
RP Sarney, WL (reprint author), US Army, Res Lab, 2800 Powder Mill Rd, Adelphi, MD 20783 USA.
EM wendy.l.sarney.civ@mail.mil
OI Yu, Kin Man/0000-0003-1350-9642
FU US. Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division [DE-AC02-05CH11231];
Engineering and Physical Sciences Research Council (EPSRC)
[EP/1004203/1]; U.S. Army Foreign Technology Assessment Support (HAS)
program [W911NF-12-2-0003]
FX RBS and optical measurements performed at LBNL were supported by the US.
Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division under Contract no.
DE-AC02-05CH11231. The MBE growth at the University of Nottingham was
undertaken with support from the Engineering and Physical Sciences
Research Council (EPSRC, Grant no, EP/1004203/1) and the U.S. Army
Foreign Technology Assessment Support (HAS) program (Grant no
W911NF-12-2-0003).
NR 8
TC 2
Z9 2
U1 0
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 255
EP 257
DI 10.1016/j.jcrysgro.2015.02.065
PG 3
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200059
ER
PT J
AU Alaskar, Y
Arafin, S
Lin, QY
Wickramaratne, D
Mckay, J
Norman, AG
Zhang, Z
Yao, LC
Ding, F
Zou, J
Goorsky, MS
Lake, RK
Zurbuchen, MA
Wang, KL
AF Alaskar, Yazeed
Arafin, Shamsul
Lin, Qiyin
Wickramaratne, Darshana
McKay, Jeff
Norman, Andrew G.
Zhang, Zhi
Yao, Luchi
Ding, Feng
Zou, Jin
Goorsky, Mark S.
Lake, Roger K.
Zurbuchen, Mark A.
Wang, Kang L.
TI Theoretical and experimental study of highly textured GaAs on silicon
using a graphene buffer layer
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE Thin film; Molecular beam epitaxy; Semiconducting gallium arsenide;
Semiconducting III-V materials; Semiconducting silicon
ID DER-WAALS EPITAXY; NANOWIRE GROWTH; SI; DISLOCATIONS; FILMS
AB A novel heteroepitaxial growth technique, quasi-van der Waals epitaxy, promises the ability to deposit three-dimensional GaAs materials on silicon using two-dimensional graphene as a buffer layer by overcoming the lattice and thermal expansion mismatch. In this study, density functional theory (DFT) simulations were performed to understand the interactions at the GaAs/graphene hetero-interface as well as the growth orientations of GaAs on graphene. To develop a better understanding of the molecular beam epitaxy-grown GaAs films on graphene, samples were characterized by x-ray diffraction (theta-2 theta scan, omega-scan, grazing incidence XRD and pole figure measurement) and transmission electron microscopy. The realizations of smooth GaAs films with a strong (111) oriented fiber-texture on graphene/silicon using this deposition technique are a milestone towards an eventual demonstration of the epitaxial growth of GaAs on silicon, which is necessary for integrated photonics application. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Alaskar, Yazeed; Arafin, Shamsul; Wang, Kang L.] Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA.
[Alaskar, Yazeed] King Abdulaziz City Sci & Technol, Natl Nanotechnol Res Ctr, Riyadh 11442, Saudi Arabia.
[Lin, Qiyin] Univ Calif Irvine, Lab Electron & Xray Instrumentat, Irvine, CA 92697 USA.
[Wickramaratne, Darshana; Lake, Roger K.] Univ Calif Riverside, Dept Elect & Comp Engn, Lab Terahertz & Terascale Elect, Riverside, CA 92521 USA.
[McKay, Jeff; Goorsky, Mark S.] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA.
[Norman, Andrew G.] Natl Renewable Energy Lab, Denver, CO 80401 USA.
[Zhang, Zhi] Univ Queensland, Mat Engn, Brisbane, Qld 4072, Australia.
[Yao, Luchi] Chinese Acad Sci, Shanghai Inst Tech Phys, Shanghai 200083, Peoples R China.
[Ding, Feng] Hong Kong Polytech Univ, Inst Text & Clothing, Hong Kong, Hong Kong, Peoples R China.
RP Arafin, S (reprint author), Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA.
EM sarafin@ucla.edu; wang@seas.ucla.edu
RI Zou, Jin/B-3183-2009; Norman, Andrew/F-1859-2010; Ding,
Feng/D-5938-2011; Arafin, Shamsul/E-2328-2013
OI Zou, Jin/0000-0001-9435-8043; Norman, Andrew/0000-0001-6368-521X; Ding,
Feng/0000-0001-9153-9279; Arafin, Shamsul/0000-0003-4689-2625
FU FAME; STARnet; MARCO; DARPA; National Science Foundation [OCI-1053575]
FX We would like to acknowledge the collaboration of this research with
King Abdul-Aziz City for Science and Technology (KACST) via The Center
of Excellence for Nanotechnologies (CEGN). D.W. and R.K.L acknowledge
the support from FAME, one of six centers of STARnet, a semiconductor
Research Corporation Program sponsored by MARCO and DARPA. This work
used the Extreme Science and Engineering Discovery Environment (XSEDE),
which is supported by National Science Foundation Grant number
OCI-1053575.
NR 20
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U2 63
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 268
EP 273
DI 10.1016/j.jcrysgro.2015.02.003
PG 6
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200062
ER
PT J
AU Gherasoiu, I
Yu, KM
Reichertz, L
Walukiewicz, W
AF Gherasoiu, I.
Yu, K. M.
Reichertz, L.
Walukiewicz, W.
TI InGaN pn-junctions grown by PA-MBE: Material characterization and
fabrication of nanocolumn electroluminescent devices
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Molecular Beam Epitaxy (MBE 2014)
CY SEP 07-12, 2014
CL fLAGSTAFF, AZ
DE Doping; Nanostructures; Molecular beam epitaxy; Nitrides; Light emitting
diodes
ID MOLECULAR-BEAM EPITAXY; SILICON
AB PN junctions are basic building blocks of many electronic devices and their performance depends on the structural properties of the component layers and on the type and the amount of the doping impurities incorporated.
Magnesium is the common p-type dopant for nitride semiconductors while silicon and more recently germanium are the n-dopants of choice.
In this paper, therefore we analyze the quantitative limits for Mg and Ge incorporation on GaN and InGaN with high In content. We also discuss the challenges posed by the growth and characterization of InGaN pn-junctions and we discuss the properties of large area long wavelength nanocolumn LEDs grown on silicon (1 1 1) by PA-MBE. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Gherasoiu, I.] State Univ New York Polytech Inst, Utica, NY 13502 USA.
[Yu, K. M.; Reichertz, L.; Walukiewicz, W.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Yu, K. M.] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China.
RP Gherasoiu, I (reprint author), State Univ New York Polytech Inst, Utica, NY 13502 USA.
EM gherasi@sunyit.edu
OI Yu, Kin Man/0000-0003-1350-9642
FU RoseStreet Energy Laboratory [LB07003462]; U.S. DOD/DARPA
[W91CRB-11-C-0012]
FX This work was supported by RoseStreet Energy Laboratory, Contract
LB07003462 and U.S. DOD/DARPA under contract W91CRB-11-C-0012.
NR 14
TC 0
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U1 2
U2 35
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD SEP 1
PY 2015
VL 425
BP 393
EP 397
DI 10.1016/j.jcrysgro.2015.02.015
PG 5
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA CL0YO
UT WOS:000356669200091
ER
PT J
AU Chuang, C
Singh, D
Kenesei, P
Almer, J
Hryn, J
Huff, R
AF Chuang, Chihpin
Singh, Dileep
Kenesei, Peter
Almer, Jonathan
Hryn, John
Huff, Richard
TI 3D quantitative analysis of graphite morphology in high strength cast
iron by high-energy X-ray tomography
SO SCRIPTA MATERIALIA
LA English
DT Article
DE High-energy X-ray tomography; 3D structure characterization;
Compact-graphite iron; Cast iron
AB The size and morphology of the graphite particles play a crucial role in determining various mechanical and thermal properties of cast iron. In the present study, we utilized high-energy synchrotron X-ray tomography to perform quantitative 3D-characterization of the distribution of graphite particles in high-strength compacted graphite iron (CGI). The size, shape, and spatial connectivity of graphite were examined. The analysis reveals that the compacted graphite can grow with a coral-tree-like morphology and span several hundred microns in the iron matrix. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Chuang, Chihpin; Singh, Dileep; Hryn, John] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Kenesei, Peter; Almer, Jonathan] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Huff, Richard] Caterpillar Inc, Mfg Technol, PD>, Mossville, IL 61552 USA.
RP Singh, D (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM dsingh@anl.gov
FU U.S. Department of Energy [DE-AC02-06CH11357]; Department of Energy
[DE-EE0005980]
FX The submitted manuscript has been created by Argonne National
Laboratory, a U.S. Department of Energy laboratory managed by UChicago
Argonne, LLC, under Contract No. DE-AC02-06CH11357 with the U.S.
Department of Energy. The U.S. Government retains for itself, and others
acting on its behalf, a paid-up, nonexclusive, irrevocable worldwide
license in said article to reproduce, prepare derivative works,
distribute copies to the public, and perform publicly and display
publicly, by or on behalf of the Government.; The material used in this
study is based upon work supported by the Department of Energy under
Award Number(s) DE-EE0005980. CATERPILLAR, their respective logos,
"Caterpillar Yellow", the "Power Edge" trade dress as well as corporate
and product identity used herein, are trademarks of Caterpillar and may
not be used without permission,
NR 21
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U1 4
U2 15
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6462
J9 SCRIPTA MATER
JI Scr. Mater.
PD SEP
PY 2015
VL 106
BP 5
EP 8
DI 10.1016/j.scriptamat.2015.03.017
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA CL7IR
UT WOS:000357146200002
ER
PT J
AU Brady, MP
Fayek, M
Meyer, HM
Leonard, DN
Elsentriecy, HH
Unocic, KA
Anovitz, LM
Cakmak, E
Keiser, JR
Song, GL
Davis, B
AF Brady, M. P.
Fayek, M.
Meyer, H. M., III
Leonard, D. N.
Elsentriecy, H. H.
Unocic, K. A.
Anovitz, L. M.
Cakmak, E.
Keiser, J. R.
Song, G. L.
Davis, B.
TI Tracer study of oxygen and hydrogen uptake by Mg alloys in air with
water vapor
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Magnesium alloys; Oxidation; Hydrogen diffusion; Secondary ion mass
spectroscopy (SIMS); Water vapor
ID HIGH-TEMPERATURE OXIDATION; MAGNESIUM ALLOYS; FILM GROWTH; OXIDE;
CORROSION; BEHAVIOR; AZ31
AB The oxidation of pure Mg, Mg-3Al-1Zn (AZ31B), and Mg-1Zn-0.25Zr-<0.5Nd (ZE10A) was studied at 85 degrees C in humid air using sequential exposures with (H2O)-O-18 and (D2O)-O-16 for water vapor. Incorporation of O-18 in the hydroxide/oxide films indicated that oxygen from water vapor participated in the reaction. Penetration of hydrogen into the underlying metal was observed, particularly for the Zr- and Nd-containing ZE10A. Isotopic tracer profiles suggested a complex mixed inward/outward film growth mechanism. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Brady, M. P.; Meyer, H. M., III; Leonard, D. N.; Elsentriecy, H. H.; Unocic, K. A.; Anovitz, L. M.; Cakmak, E.; Keiser, J. R.; Song, G. L.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
[Fayek, M.] Univ Manitoba, Winnipeg, MB, Canada.
[Elsentriecy, H. H.] Cent Met Res & Dev Inst, Cairo, Egypt.
[Davis, B.] Magnesium Elektron North Amer, Madison, IL USA.
RP Brady, MP (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
EM bradymp@ornl.gov
RI Brady, Michael/A-8122-2008; Anovitz, Lawrence/P-3144-2016
OI Brady, Michael/0000-0003-1338-4747; Anovitz,
Lawrence/0000-0002-2609-8750
FU U.S. DOE EERE Vehicle Technologies Office; ORNL's Shared Research
Equipment (ShaRE) User Program - Office of Basic Energy Sciences, U.S.
DOE
FX The authors thank R. Sharpe, D.W. Coffey, T.M. Lowe, T. Geer and T.L.
Jordan for assistance with the experimental work. J. Thomson, S.
Dryepondt, and B.A. Pint provided comments for manuscript. This research
was sponsored by the U.S. DOE EERE Vehicle Technologies Office. Research
supported by ORNL's Shared Research Equipment (ShaRE) User Program,
which is sponsored by the Office of Basic Energy Sciences, U.S. DOE.
NR 17
TC 2
Z9 2
U1 1
U2 20
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6462
J9 SCRIPTA MATER
JI Scr. Mater.
PD SEP
PY 2015
VL 106
BP 38
EP 41
DI 10.1016/j.scriptamat.2015.04.032
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA CL7IR
UT WOS:000357146200010
ER
PT J
AU Liu, ZY
Li, X
Lee, JY
Bolin, TB
AF Liu, Zhouyang
Li, Xin
Lee, Joo-Youp
Bolin, Trudy B.
TI Oxidation of elemental mercury vapor over gamma-Al2O3 supported CuCl2
catalyst for mercury emissions control
SO CHEMICAL ENGINEERING JOURNAL
LA English
DT Article
DE Heterogeneous elemental mercury oxidation; Cupric chloride; gamma-Al2O3;
Redox catalyst; Coal combustion flue gas
ID FLUE-GAS; CUPRIC CHLORIDE; OXYCHLORINATION CATALYSTS; COPPER; GOLD;
SPECTROSCOPY; PALLADIUM; PLATINUM; ETHYLENE; PHASE
AB In our previous studies, CuCl2 demonstrated excellent Hg(0) oxidation capability and holds potential for Hg(0) oxidation in coal-fired power plants. In this study, the properties and performances of CuCl2 supported onto gamma-Al2O3 with high surface area were investigated. From various characterization techniques using XPS, XAFS, XRD, TPR, SEM and TGA, the existence of multiple copper species was identified. At low CuCl2 loadings, CuCl2 forms copper aluminate species with gamma-Al2O3 and is inactive for Hg(0) oxidation. At high loadings, amorphous CuCl2 forms onto the gamma-Al2O3 surface, working as a redox catalyst for Hg(0) oxidation by consuming Cl to be converted into CuCl and then being regenerated back into CuCl2 in the presence of O-2 and HCl gases. The 10%(wt) CuCl2/gamma-Al2O3 catalyst showed excellent Hg(0) oxidation performance and SO2 resistance at 140 degrees C under simulated flue gas conditions containing 6%(v) O-2 and 10 ppmv HCl. The oxidized Hg(0) in the form of HgCl2 has a high solubility in water and can be easily captured by other air pollution control systems such as wet scrubbers in coal-fired power plants. The CuCl2/gamma-Al2O3 catalyst can be used as a low temperature Hg(0) oxidation catalyst. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Liu, Zhouyang; Li, Xin; Lee, Joo-Youp] Univ Cincinnati, Dept Biomed Chem & Environm Engn, Chem Engn Program, Cincinnati, OH 45221 USA.
[Bolin, Trudy B.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Lee, JY (reprint author), Univ Cincinnati, Dept Biomed Chem & Environm Engn, Chem Engn Program, Cincinnati, OH 45221 USA.
EM joo.lee@uc.edu
OI Liu, Zhouyang/0000-0003-0541-4838
FU National Science Foundation, NSF [1151017]; DOE Office of Science by
Argonne National Laboratory [DE-AC02-06CH11357]
FX This study was supported by the National Science Foundation, NSF CAREER
Grant # 1151017. The authors greatly appreciate their financial support.
This research also used resources of the Advanced Photon Source, a U.S.
Department of Energy (DOE) Office of Science User Facility operated for
the DOE Office of Science by Argonne National Laboratory under Contract
No. DE-AC02-06CH11357.
NR 33
TC 3
Z9 3
U1 2
U2 51
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 1385-8947
EI 1873-3212
J9 CHEM ENG J
JI Chem. Eng. J.
PD SEP 1
PY 2015
VL 275
BP 1
EP 7
DI 10.1016/j.cej.2015.04.022
PG 7
WC Engineering, Environmental; Engineering, Chemical
SC Engineering
GA CK3IB
UT WOS:000356108700001
ER
PT J
AU Bailey, DH
Borwein, JM
AF Bailey, D. H.
Borwein, J. M.
TI Computation and theory of Mordell-Tornheim-Witten sums II
SO JOURNAL OF APPROXIMATION THEORY
LA English
DT Article
ID RIEMANN ZETA-FUNCTION; DERIVATIVES
AB In Bailey et al. [8] the current authors, along with the late and much-missed Richard Crandall (1947-2012), considered generalized Mordell-Tornheim-Witten (MTW) zeta-function values along with their derivatives, and explored connections with multiple-zeta values (MZVs). This entailed use of symbolic integration, high precision numerical integration, and some interesting combinatorics and special-function theory. The original motivation was to represent objects such as Eulerian log-gamma integrals; and all such integrals were expressed in terms of a MTW basis. Herein, we extend the research envisaged in Bailey et al. [8] by analyzing the relations between a significantly more general class of MTW sums. This has required significantly more subtle scientific computation and concomitant special function theory. (C) 2014 Elsevier Inc. All rights reserved.
C1 [Bailey, D. H.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Bailey, D. H.] Univ Calif Davis, Dept Comp Sci, Davis, CA 95616 USA.
[Borwein, J. M.] Univ Newcastle, CARMA, Newcastle, NSW 2303, Australia.
RP Bailey, DH (reprint author), Univ Calif Davis, Dept Comp Sci, Davis, CA 95616 USA.
EM david@davidhbailey.com; jon.borwein@gmail.com
NR 37
TC 0
Z9 0
U1 1
U2 1
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9045
EI 1096-0430
J9 J APPROX THEORY
JI J. Approx. Theory
PD SEP
PY 2015
VL 197
SI SI
BP 115
EP 140
DI 10.1016/j.jat.2014.10.004
PG 26
WC Mathematics
SC Mathematics
GA CL0LI
UT WOS:000356633800008
ER
PT J
AU Xu, PH
Lu, J
Aydin, C
Debefve, LM
Browning, ND
Chen, CY
Gates, BC
AF Xu, Pinghong
Lu, Jing
Aydin, Ceren
Debefve, Louise M.
Browning, Nigel D.
Chen, Cong-Yan
Gates, Bruce C.
TI Imaging individual lanthanum atoms in zeolite Y by scanning transmission
electron microscopy: Evidence of lanthanum pair sites
SO MICROPOROUS AND MESOPOROUS MATERIALS
LA English
DT Article
DE Lanthanum; Zeolite Y; Scanning transmission electron microscopy
ID FAUJASITE-TYPE ZEOLITES; X-ZEOLITE; CATALYSTS; LOCATION; NAY;
SPECTROSCOPY; DIFFRACTION; CLUSTERS; ALUMINA; ACIDITY
AB Images of La-exchanged NaY zeolite obtained with aberration-corrected scanning transmission electron microscopy (STEM) show that about 80% of the La cations were present as site-isolated species, with the remainder in pair sites. The observed distances between La cations in the pair sites ranged from 1.44 to 3.84 angstrom, consistent with the presence of pairs of cations tilted at various angles with respect to the support surface. The actual distance between La cations in the pair sites is inferred to be approximately 3.84 A. The results suggest the presence of dimeric structures of La cations bridged with 0 anions, and the presence of such species has been inferred previously on the basis of X-ray photoelectron spectroscopy (W. Griinert, U. Sauerlandt, R. Schlogl, H.G. Karge, J. Phys. Chem., 97 (1993) 1413). (C) 2015 Elsevier Inc. All rights reserved.
C1 [Xu, Pinghong; Lu, Jing; Aydin, Ceren; Debefve, Louise M.; Chen, Cong-Yan; Gates, Bruce C.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Browning, Nigel D.] Pacific NW Natl Lab, Fundamental & Computat Sci Div, Richland, WA 99352 USA.
[Chen, Cong-Yan] Chevron Energy Technol Co, Richmond, CA 94802 USA.
RP Chen, CY (reprint author), Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
EM cychen@chevron.com; bcgates@ucdavis.edu
OI Browning, Nigel/0000-0003-0491-251X
FU U.S. Department of Energy (DOE), Office of Science, Basic Energy
Sciences through the University of California, Davis [DE-FG02-04ER15513,
DE-FG02-03ER46057, DE-SC0005822]; Laboratory Directed Research and
Development Program: Chemical Imaging Initiative at Pacific Northwest
National Laboratory (PNNL); Environmental Molecular Sciences Laboratory,
a national scientific user facility - DOE Office of Biological and
Environmental Research; DOE [DE-AC05-76RL01830]; China Scholarship
Council
FX We thank Dr. Dan Xie of Chevron for helpful comments. This work was
supported by the U.S. Department of Energy (DOE), Office of Science,
Basic Energy Sciences, Grants DE-FG02-04ER15513 (J.L.),
DE-FG02-03ER46057 (P.X., C.A.), and DE-SC0005822 (L.D.) through the
University of California, Davis, and the Laboratory Directed Research
and Development Program: Chemical Imaging Initiative at Pacific
Northwest National Laboratory (PNNL), and the Environmental Molecular
Sciences Laboratory, a national scientific user facility sponsored by
the DOE Office of Biological and Environmental Research and located at
PNNL, a multiprogram national laboratory operated by Battelle for DOE
under Contract DE-AC05-76RL01830. P.X. was partially supported by the
China Scholarship Council doctoral fellowship program.
NR 23
TC 0
Z9 0
U1 1
U2 28
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1387-1811
EI 1873-3093
J9 MICROPOR MESOPOR MAT
JI Microporous Mesoporous Mat.
PD SEP 1
PY 2015
VL 213
BP 95
EP 99
DI 10.1016/j.micromeso.2015.04.008
PG 5
WC Chemistry, Applied; Chemistry, Physical; Nanoscience & Nanotechnology;
Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA CK4IG
UT WOS:000356186900012
ER
PT J
AU Lee, P
Vay, JL
AF Lee, P.
Vay, J. -L.
TI Efficiency of the Perfectly Matched Layer with high-order finite
difference and pseudo-spectral Maxwell solvers
SO COMPUTER PHYSICS COMMUNICATIONS
LA English
DT Article
DE Perfectly Matched (PML); High order FDTD; Pseudo-spectral solvers
ID WAVES; ABSORPTION
AB The commonly used second order Finite-Difference Time-Domain (FDTD) scheme for electromagnetic solvers in Particle-In-Cell codes produces fast solvers that scale well in parallel, but suffers from anomalous numerical effects resulting from discretization, such as numerical dispersion. High order schemes are therefore seen as the remedy for reducing the discretization errors. In the modeling of various applications, an open,boundary is necessary for simulating vacuum extending beyond the computational box, for which algorithms based on - or derived from - Berenger's Perfectly Matched Layers (PML) have demonstrated high efficiency over a wide range of wavelength and angle of incidence. The amount of numerical reflection of PMLs has been studied numerically and analytically for low order stencils but not systematically at higher order, nor for the pseudo-spectral scheme. In this paper, we extend the theoretical and numerical analysis of the coefficient of reflection of PML layers to solvers of any order of accuracy. Results show that the PML efficiency is preserved at any order, including at the infinite order limit that is attained by the pseudo-spectral formulation. Published by Elsevier B.V.
C1 [Lee, P.] Univ Paris 11, Lab Phys Gaz & Plasmas, F-91405 Orsay, France.
[Vay, J. -L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Lee, P (reprint author), Univ Paris 11, Lab Phys Gaz & Plasmas, Bat 425, F-91405 Orsay, France.
EM patrick.lee@u-psud.fr
OI Lee, Patrick/0000-0003-4931-1021
FU US-DOE [DE-AC02-05CH11231]; US-DOE SciDAC program ComPASS; United States
Government
FX We are thankful to Henri Vincenti and Brendan Godfrey for their careful
proofreadings of the drafts leading to this paper. This work was
supported in part by US-DOE Contract DE-AC02-05CH11231, and US-DOE
SciDAC program ComPASS.; This document was prepared as an account of
work sponsored in part by the United States Government. While this
document is believed to contain correct information, neither the United
States Government nor any agency thereof, nor The Regents of the
University of California, nor any of their employees, nor the authors
makes any warranty, express or implied, or assumes any legal
responsibility for the accuracy, completeness, or usefulness of any
information, apparatus, product, or process disclosed, or represents
that its use would not infringe privately owned rights. Reference herein
to any specific commercial product, process, or service by its trade
name, trademark, manufacturer, or otherwise, does not necessarily
constitute or imply its endorsement, recommendation, or favoring by the
United States Government or any agency thereof, or The Regents of the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or any agency thereof or The Regents of the University of
California.
NR 13
TC 4
Z9 4
U1 0
U2 8
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0010-4655
EI 1879-2944
J9 COMPUT PHYS COMMUN
JI Comput. Phys. Commun.
PD SEP
PY 2015
VL 194
BP 1
EP 9
DI 10.1016/j.cpc.2015.04.004
PG 9
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA CK4LT
UT WOS:000356196000001
ER
PT J
AU Lou, TP
Ludewigt, B
AF Lou, Tak Pui
Ludewigt, Bernhard
TI MMAPDNG: A new, fast code backed by a memory-mapped database for
simulating delayed gamma-ray emission with MCNPX package
SO COMPUTER PHYSICS COMMUNICATIONS
LA English
DT Article
DE Delayed gamma; Fission products; MCNPX; mmap
ID FISSILE MATERIALS
AB The simulation of the emission of beta-delayed gamma rays following nuclear fission and the calculation. of time-dependent energy spectra is a computational challenge. The widely used radiation transport code MCNPX includes a delayed gamma-ray routine that is inefficient and not suitable for simulating complex problems. This paper describes the code "MMAPDNG" (Memory-Mapped Delayed Neutron and Gamma), an optimized delayed gamma module written in C, discusses usage and merits of the code, and presents results. The approach is based on storing required Fission Product Yield (FPY) data, decay data, and delayed particle data in a memory-mapped file. When compared to the original delayed gamma-ray code in MCNPX, memory utilization is reduced by two orders of magnitude and the ray sampling is sped up by three orders of magnitude. Other delayed particles such as neutrons and electrons can be implemented in future versions of MMAPDNG code using its existing framework. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Lou, Tak Pui; Ludewigt, Bernhard] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Accelerat & Fus Res Div, Berkeley, CA 94720 USA.
RP Lou, TP (reprint author), Travessa Anjos 37 Edificio Po Ka Yun R-C H Bl 4, Taipa, Peoples R China.
EM TakPui.Lou@gmail.com; Bernhard_Ludewigt@LBL.gov
FU Next Generation Safeguards Initiative; Office of Nonproliferation and
International Security; National Nuclear Security Administration; US
Department of Energy by the Lawrence Berkeley National Laboratory
[DE-AC02-05CH11231]
FX The authors would like to thank Prof. Alan Hunt and Edward Reedy (both
Idaho State University) for providing the experimental delayed gamma-ray
spectra for benchmarking the code. This work was supported by the Next
Generation Safeguards Initiative, Office of Nonproliferation and
International Security, National Nuclear Security Administration and
performed under the auspices of the US Department of Energy by the
Lawrence Berkeley National Laboratory under Contract No.
DE-AC02-05CH11231.
NR 13
TC 0
Z9 0
U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0010-4655
EI 1879-2944
J9 COMPUT PHYS COMMUN
JI Comput. Phys. Commun.
PD SEP
PY 2015
VL 194
BP 10
EP 17
DI 10.1016/j.cpc.2015.04.005
PG 8
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA CK4LT
UT WOS:000356196000002
ER
PT J
AU Foxe, M
Hagmann, C
Jovanovic, I
Bernstein, A
Joshi, TH
Kazkaz, K
Mozin, V
Pereverzev, SV
Sangiorgio, S
Sorensen, P
AF Foxe, M.
Hagmann, C.
Jovanovic, I.
Bernstein, A.
Joshi, T. H.
Kazkaz, K.
Mozin, V.
Pereverzev, S. V.
Sangiorgio, S.
Sorensen, P.
TI Modeling ionization and recombination from low energy nuclear recoils in
liquid argon
SO ASTROPARTICLE PHYSICS
LA English
DT Article
DE Liquid argon; Ionization yield; Neutrino; Dark matter
ID ELECTRON-ION RECOMBINATION; DRIFT VELOCITY; DETECTOR; MATTER; XENON; AR;
TRANSPORT; AR-39; KR
AB Coherent elastic neutrino-nucleus scattering (CENNS) is an as-yet undetected, flavor-independent neutrino interaction predicted by the Standard Model. Detection of CENNS could offer benefits for detection of supernova and solar neutrinos in astrophysics, or for detection of antineutrinos for nuclear reactor monitoring and nuclear nonproliferation. One challenge with detecting CENNS is the low energy deposition associated with a typical CENNS nuclear recoil. In addition, nuclear recoils result in lower ionization yields than those produced by electron recoils of the same energy. While a measurement of the nuclear recoil ionization yield in liquid argon in the keV energy range has been recently reported, a corresponding model for low-energy ionization yield in liquid argon does not exist. For this reason, a Monte Carlo simulation has been developed to predict the ionization yield at sub-10 key energies. The model consists of two distinct components: (1) simulation of the atomic collision cascade with production of ionization, and (2) the thermalization and drift of ionization electrons in an applied electric field including local recombination. As an application of our results we report updated estimates of detectable ionization in liquid argon from CENNS at a nuclear reactor. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Foxe, M.; Jovanovic, I.] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA.
[Foxe, M.; Hagmann, C.; Bernstein, A.; Joshi, T. H.; Kazkaz, K.; Mozin, V.; Pereverzev, S. V.; Sangiorgio, S.; Sorensen, P.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Foxe, M.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Joshi, T. H.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
RP Foxe, M (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM Michael.Foxe@pnnl.gov
FU U.S. Department of Energy by the Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; U.S. Department of Homeland Security, Domestic
Nuclear Detection Office; U.S. Department of Defense, Defense Threat
Reduction Agency [PNNL-SA-100229]
FX This work was performed under the auspices of the U.S. Department of
Energy by the Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. A portion of M. Foxe's research was performed under
the Nuclear Forensics Graduate Fellowship Program, which is sponsored by
the U.S. Department of Homeland Security, Domestic Nuclear Detection
Office and the U.S. Department of Defense, Defense Threat Reduction
Agency. PNNL-SA-100229
NR 47
TC 1
Z9 1
U1 2
U2 14
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-6505
EI 1873-2852
J9 ASTROPART PHYS
JI Astropart Phys.
PD SEP
PY 2015
VL 69
BP 24
EP 29
DI 10.1016/j.astropartphys.2015.03.005
PG 6
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA CJ2ZP
UT WOS:000355353500004
ER
PT J
AU Roy, S
Ladpli, P
Chang, FK
AF Roy, Surajit
Ladpli, Purim
Chang, Fu-Kuo
TI Load monitoring and compensation strategies for guided-waves based
structural health monitoring using piezoelectric transducers
SO JOURNAL OF SOUND AND VIBRATION
LA English
DT Article
ID TEMPERATURE COMPENSATION
AB Accurate interpretation of in-situ piezoelectric sensor signals is a challenging task. This paper presents the development of a numerical compensation model based on physical insight to address the influence of structural loads on piezo-sensor signals. The model requires knowledge of in-situ strain and temperature distribution in a structure while acquiring piezoelectric sensor signals. The parameters of the numerical model are obtained using experiments on flat aluminum plate under uniaxial tensile loading. It is shown that the model parameters obtained experimentally can be used for different structures, and sensor layout. Furthermore, the combined effects of load and temperature on the piezo-sensor response are also investigated and it is observed that both of these factors have a coupled effect on the sensor signals, It is proposed to obtain compensation model parameters under a range of operating temperatures to address this coupling effect. An important outcome of this study is a new load monitoring concept using in-situ piezoelectric sensor signals to track changes in the load paths in a structure. Published by Elsevier Ltd.
C1 [Roy, Surajit] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Ladpli, Purim; Chang, Fu-Kuo] Stanford Univ, Dept Aeronaut & Astronaut, Stanford, CA 94305 USA.
RP Roy, S (reprint author), Pacific NW Natl Lab, Richland, WA 99354 USA.
EM dearsurajit@gmail.com; pladpli@stanford.edu; fkchang@stanford.edu
FU Multidisciplinary University Research Initiative (MURI)
[FA9550-09-1-0677]; Air Force Office of Scientific Research (AFOSR)
[FA9550-08-1-0391]
FX This research was supported by Multidisciplinary University Research
Initiative (MURI) (Grant no: FA9550-09-1-0677), and Air Force Office of
Scientific Research (AFOSR) (Grant No: FA9550-08-1-0391). The authors
would like to thank Acellent Technologies Inc. for providing necessary
hardware support for the experiments conducted in this research.
NR 16
TC 3
Z9 3
U1 2
U2 30
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0022-460X
EI 1095-8568
J9 J SOUND VIB
JI J. Sound Vibr.
PD SEP 1
PY 2015
VL 351
BP 206
EP 220
DI 10.1016/j.jsv.2015.04.019
PG 15
WC Acoustics; Engineering, Mechanical; Mechanics
SC Acoustics; Engineering; Mechanics
GA CJ5UX
UT WOS:000355558300014
ER
PT J
AU Renner, J
Gehman, VM
Goldschmidt, A
Matis, HS
Miller, T
Nakajima, Y
Nygren, D
Oliveira, CAB
Shuman, D
Alvarez, V
Borges, FIG
Carcel, S
Castel, J
Cebrian, S
Cervera, A
Conde, CAN
Dafni, T
Dias, THVT
Diaz, J
Esteve, R
Evtoukhovitch, P
Fernandes, LMP
Ferrario, P
Ferreira, AL
Freitas, EDC
Gil, A
Gomez, H
Gomez-Cadenas, JJ
Gonzalez-Diaz, D
Gutierrez, RM
Hauptman, J
Morata, JAH
Herrera, DC
Iguaz, FJ
Irastorza, IG
Jinete, MA
Labarga, L
Laing, A
Liubarsky, I
Lopes, JAM
Lorca, D
Losada, M
Luzon, G
Mari, A
Martin-Albo, J
Martinez, A
Moiseenko, A
Monrabal, F
Monserrate, M
Monteiro, CMB
Mora, FJ
Moutinho, LM
Vidal, JM
da Luz, HN
Navarro, G
Nebot-Guinot, M
Palma, R
Perez, J
Aparicio, JLP
Ripoll, L
Rodriguez, A
Rodriguez, J
Santos, FP
dos Santos, JMF
Segui, L
Serra, L
Simon, A
Sofka, C
Sorel, M
Toledo, JF
Tomas, A
Torrent, J
Tsamalaidze, Z
Veloso, JFCA
Villar, JA
Webb, RC
White, J
Yahlali, N
AF Renner, J.
Gehman, V. M.
Goldschmidt, A.
Matis, H. S.
Miller, T.
Nakajima, Y.
Nygren, D.
Oliveira, C. A. B.
Shuman, D.
Alvarez, V.
Borges, F. I. G.
Carcel, S.
Castel, J.
Cebrian, S.
Cervera, A.
Conde, C. A. N.
Dafni, T.
Dias, T. H. V. T.
Diaz, J.
Esteve, R.
Evtoukhovitch, P.
Fernandes, L. M. P.
Ferrario, P.
Ferreira, A. L.
Freitas, E. D. C.
Gil, A.
Gomez, H.
Gomez-Cadenas, J. J.
Gonzalez-Diaz, D.
Gutierrez, R. M.
Hauptman, J.
Morata, J. A. Hernando
Herrera, D. C.
Iguaz, F. J.
Irastorza, I. G.
Jinete, M. A.
Labarga, L.
Laing, A.
Liubarsky, I.
Lopes, J. A. M.
Lorca, D.
Losada, M.
Luzon, G.
Mari, A.
Martin-Albo, J.
Martinez, A.
Moiseenko, A.
Monrabal, F.
Monserrate, M.
Monteiro, C. M. B.
Mora, F. J.
Moutinho, L. M.
Vidal, J. Munoz
da Luz, H. Natal
Navarro, G.
Nebot-Guinot, M.
Palma, R.
Perez, J.
Aparicio, J. L. Perez
Ripoll, L.
Rodriguez, A.
Rodriguez, J.
Santos, F. P.
dos Santos, J. M. F.
Segui, L.
Serra, L.
Simon, A.
Sofka, C.
Sorel, M.
Toledo, J. F.
Tomas, A.
Torrent, J.
Tsamalaidze, Z.
Veloso, J. F. C. A.
Villar, J. A.
Webb, R. C.
White, J.
Yahlali, N.
TI Ionization and scintillation of nuclear recoils in gaseous xenon
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Dark matter; High pressure xenon gas; WIMP; Neutrino less double beta
decay; Nuclear recoils
ID HIGH-PRESSURE XENON; NEUTRON SOURCES; LIQUID XENON; DARK-MATTER;
SIMULATION; SPECTRA; SEARCH; DRIFT
AB Ionization and scintillation produced by nuclear recoils in gaseous xenon at approximately 14 bar have been simultaneously observed in an electroluminescent time projection chamber. Neutrons from radioisotope a-Be neutron sources were used to induce xenon nuclear recoils, and the observed recoil spectra were compared to a detailed Monte Carlo employing estimated ionization and scintillation yields for nuclear recoils. The ability to discriminate between electronic and nuclear recoils using the ratio of ionization to primary scintillation is demonstrated. These results encourage further investigation on the use of xenon in the gas phase as a detector medium in dark matter direct detection experiments. (C) 2015 Elsevier B.V. All rights reserved.
C1 [Renner, J.; Gehman, V. M.; Goldschmidt, A.; Matis, H. S.; Miller, T.; Nakajima, Y.; Nygren, D.; Oliveira, C. A. B.; Shuman, D.] LBNL, Berkeley, CA 94720 USA.
[Renner, J.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Carcel, S.; Cervera, A.; Diaz, J.; Ferrario, P.; Gomez-Cadenas, J. J.; Herrera, D. C.; Iguaz, F. J.; Irastorza, I. G.; Laing, A.; Liubarsky, I.; Lorca, D.; Martin-Albo, J.; Martinez, A.; Monrabal, F.; Monserrate, M.; Vidal, J. Munoz; Nebot-Guinot, M.; Rodriguez, J.; Serra, L.; Simon, A.; Sorel, M.; Yahlali, N.] CSIC, Inst Fis Corpuscular IFIC, Valencia 46980, Spain.
[Alvarez, V.; Carcel, S.; Cervera, A.; Diaz, J.; Ferrario, P.; Gil, A.; Gomez-Cadenas, J. J.; Herrera, D. C.; Iguaz, F. J.; Irastorza, I. G.; Laing, A.; Liubarsky, I.; Lorca, D.; Martin-Albo, J.; Martinez, A.; Monrabal, F.; Monserrate, M.; Vidal, J. Munoz; Nebot-Guinot, M.; Rodriguez, J.; Serra, L.; Simon, A.; Sorel, M.] Univ Valencia, Valencia 46980, Spain.
[Borges, F. I. G.; Conde, C. A. N.; Dias, T. H. V. T.; Fernandes, L. M. P.; Freitas, E. D. C.; Lopes, J. A. M.; Monteiro, C. M. B.; da Luz, H. Natal; Santos, F. P.; dos Santos, J. M. F.] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal.
[Castel, J.; Cebrian, S.; Gomez, H.; Gonzalez-Diaz, D.; Luzon, G.; Rodriguez, A.; Segui, L.; Tomas, A.; Villar, J. A.] Univ Zaragoza, Lab Fis Nucl & Astroparticulas, E-50009 Zaragoza, Spain.
[Esteve, R.; Ferreira, A. L.; Mora, F. J.; Toledo, J. F.] Univ Politecn Valencia, Inst Instrumentac Imagen Mol I3M, E-46022 Valencia, Spain.
[Moiseenko, A.] Joint Inst Nucl Res, Dubna 141980, Russia.
[Gutierrez, R. M.; Jinete, M. A.; Losada, M.] Univ Antonia Narino, Ctr Invest, Bogota, Colombia.
[Hauptman, J.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Morata, J. A. Hernando] Univ Santiago de Compostela, IGFAE, Santiago De Compostela 15782, Spain.
[Labarga, L.] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain.
[Moutinho, L. M.; Veloso, J. F. C. A.] Univ Aveiro, Inst Nanostruct Nanomodelling & Nanofabricat i3N, P-3810193 Aveiro, Portugal.
[Perez, J.] CSIC, UAM, IFT, E-28049 Madrid, Spain.
[Palma, R.] Univ Politecn Valencia, Dept Mecnica Medios Continuos & Teoria Estruct, Valencia 46071, Spain.
[Ripoll, L.; Torrent, J.] Univ Girona, Escola Politecn Super, Girona 17071, Spain.
[Sofka, C.; Webb, R. C.; White, J.] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA.
RP Renner, J (reprint author), CSIC, Inst Fis Corpuscular IFIC, Calle Catedrat Jose Beltran 2, Valencia 46980, Spain.
EM jrenner@lbl.gov
RI Diaz, Jose/B-3454-2012; matias-lopes, jose/H-6074-2012; Villar, Jose
Angel/K-6630-2014; veloso, joao/J-4478-2013; Moutinho, Luis/J-6021-2013;
Iguaz Gutierrez, Francisco Jose/F-4117-2016; AMADE Research Group,
AMADE/B-6537-2014; Irastorza, Igor/B-2085-2012; Natal da Luz,
Hugo/F-6460-2013; Gonzalez Diaz, Diego/K-7265-2014; Fernandes,
Luis/E-2372-2011; Dafni, Theopisti/J-9646-2012; Monrabal,
Francesc/A-5880-2015;
OI Diaz, Jose/0000-0002-7239-223X; matias-lopes, jose/0000-0002-6366-2963;
Villar, Jose Angel/0000-0003-0228-7589; Moutinho,
Luis/0000-0001-9074-4449; Iguaz Gutierrez, Francisco
Jose/0000-0001-6327-9369; AMADE Research Group,
AMADE/0000-0002-5778-3291; Irastorza, Igor/0000-0003-1163-1687; Natal da
Luz, Hugo/0000-0003-1177-870X; Gonzalez Diaz, Diego/0000-0002-6809-5996;
Fernandes, Luis/0000-0002-7061-8768; Monteiro, Cristina Maria
Bernardes/0000-0002-1912-2804; dos Santos, Joaquim Marques
Ferreira/0000-0002-8841-6523; Dafni, Theopisti/0000-0002-8921-910X;
Freitas, Elisabete/0000-0001-8235-3229; Monrabal,
Francesc/0000-0002-4047-5620; Munoz Vidal, Javier/0000-0002-9649-2251;
Toledo Alarcon, Jose Francisco/0000-0002-9782-4510; Santos,
Filomena/0000-0002-0214-4185; Martin-Albo, Justo/0000-0002-7318-1469;
Veloso, Joao/0000-0002-7107-7203
FU Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy; National Energy Research Scientific Computing
Center (NERSC); Office of Science of the U.S. Department of Energy
[DE-AC02-05CH11231]; European Research Council [339787-NEXT]; Ministerio
de Economia y Competitividad of Spain [C5D2008-0037,
FPA2009-13697-004-04, FPA2009-13697-C04-01, FIS2012-37947-C04-01,
FIS2012-37947-C04-02, FIS2012-37947-C04-03, FIS2012-37947-C04-04];
Portuguese FCT; FEDER [PTDC/FIS/103860/2008, PTDC/FIS/112272/2009];
Department of Energy National Nuclear Security Administration
Stewardship Science Graduate Fellowship [DE-FC52-08NA28752]
FX This work was supported by the following agencies and institutions: the
Director, Office of Science, Office of Basic Energy Sciences, of the
U.S. Department of Energy, and the National Energy Research Scientific
Computing Center (NERSC), supported by the Office of Science of the U.S.
Department of Energy, both under Contract no. DE-AC02-05CH11231; the
European Research Council under the Advanced Grant 339787-NEXT; the
Ministerio de Economia y Competitividad of Spain under Grants
CONSOLIDER-Ingenio 2010 C5D2008-0037 (CUP), FPA2009-13697-004-04,
FPA2009-13697-C04-01, FIS2012-37947-C04-01, FIS2012-37947-C04-02,
FIS2012-37947-C04-03, and FIS2012-37947-C04-04; and the Portuguese FCT
and FEDER through the program COMPETE, Projects PTDC/FIS/103860/2008 and
PTDC/FIS/112272/2009. J. Renner acknowledges the support of a Department
of Energy National Nuclear Security Administration Stewardship Science
Graduate Fellowship, grant number DE-FC52-08NA28752.
NR 44
TC 4
Z9 4
U1 4
U2 21
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
EI 1872-9576
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD SEP 1
PY 2015
VL 793
BP 62
EP 74
DI 10.1016/j.nima.2015.04.057
PG 13
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA CJ8ST
UT WOS:000355774500011
ER
PT J
AU Brewer, J
Ames, DP
Solan, D
Lee, R
Carlisle, J
AF Brewer, Justin
Ames, Daniel P.
Solan, David
Lee, Randy
Carlisle, Juliet
TI Using GIS analytics and social preference data to evaluate utility-scale
solar power site suitability
SO RENEWABLE ENERGY
LA English
DT Article
DE Photovoltaic electricity; Site suitability; Public attitudes; GIS; Solar
energy
ID RENEWABLE ENERGY; WIND POWER; INSTITUTIONAL CAPACITY; PUBLIC-ATTITUDES;
NIMBY; RESPONSES; POLITICS; SUPPORT; FARMS
AB Determining socially acceptable and economically viable locations for utility-scale solar projects is a costly process that depends on many technical, economic, environmental and social factors. This paper presents a GIS-based multi-criteria solar project siting study conducted in the southwestern United States with a unique social preference component. Proximity raster layers were derived from features including roads, power lines, and rivers then overlain with 10 x 10 m raster terrain datasets including slope and potential irradiance to produce a high resolution map showing solar energy potential from "poor" to "excellent" for high potential counties across the southwestern United States. Similar maps were produced by adding social acceptance data collected from a series of surveys showing the potential public resistance to development that can be expected in areas of high solar energy suitability. Applying social preferences to the model significantly reduced the amount of suitable area in each of the selected study areas. The methods demonstrated are expected to help reduce time, money, and resources currently allocated toward finding and assessing areas of high solar power suitability. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Brewer, Justin; Ames, Daniel P.] Brigham Young Univ, Dept Civil & Environm Engn, Provo, UT 84602 USA.
[Solan, David] Boise State Univ, Energy Policy Inst, Boise, ID 83725 USA.
[Lee, Randy] Idaho Natl Lab, Idaho Falls, ID USA.
[Carlisle, Juliet] Univ Idaho, Dept Polit Sci, Moscow, ID 83843 USA.
RP Ames, DP (reprint author), Brigham Young Univ, Dept Civil & Environm Engn, Provo, UT 84602 USA.
EM dan.ames@byu.edu
FU Department of Energy's Office of Energy Efficiency and Renewable Energy
[DE-EE0005351]; agency of the United States Government
FX This material is based upon work supported by the Department of Energy's
Office of Energy Efficiency and Renewable Energy under Award Number
DE-EE0005351. Disclaimer: This paper was prepared as an account of work
sponsored by an agency of the United States Government. Neither the
United States Government nor any agency thereof, nor any of their
employees, makes any warranty, express or implied, or assumes any legal
liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process disclosed,
or represents that its use would not infringe privately owned rights.
Reference herein to any specific commercial product, process, or service
by trade name, trademark, manufacturer, or otherwise does not
necessarily constitute or imply its endorsement, recommendation, or
favoring by the United States Government or any agency thereof. The
views and opinions of authors expressed herein do not necessarily state
or reflect those of the United States Government or any agency thereof.
NR 49
TC 5
Z9 5
U1 9
U2 50
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0960-1481
J9 RENEW ENERG
JI Renew. Energy
PD SEP
PY 2015
VL 81
BP 825
EP 836
DI 10.1016/j.renene.2015.04.017
PG 12
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels
SC Science & Technology - Other Topics; Energy & Fuels
GA CJ3CB
UT WOS:000355359900081
ER
PT J
AU Akinosho, HO
Wicker, L
AF Akinosho, Hannah O.
Wicker, Louise
TI Stability of beta-carotene loaded emulsions vary by viscosity of
hydroxypropyl methylcellulose dispersions
SO LWT-FOOD SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Beta-carotene; Viscosity; Particle size; Gum acacia; Hydroxypropyl
methylcellulose
ID MATRIX TABLETS; IN-VITRO; RELEASE; OIL; HPMC; BIOAVAILABILITY;
HYDROCOLLOIDS; ADSORPTION; BEVERAGES; PROTEIN
AB The physical stability of oil-in-water emulsions containing beta-carotene was investigated to assess the emulsification of three hydroxypropyl methylcellulose (HPMC) of varying substitution and viscosity and gum acacia (GA) control dispersions. Initially, emulsions stabilized with GA had particle sizes of 0.79 mu m, whereas the HPMC stabilized emulsions possessed particle sizes of about 1.38-1.96 mu m. Following storage at 25 degrees C or 37 degrees C for up to 12 days, no significant differences between the initial and final particle sizes for two of the three HPMC stabilized emulsions (P < 0.05) were observed and remained <2.0 mu m. However, the particle size distributions changed with time of storage at 25 degrees C or 37 degrees C in all emulsions, but were minimal in the emulsion containing the highest initial viscosity HPMC (0.401 Pa s). Images from light microscopy demonstrated that variability in droplet sizes was more prominent in low viscosity, low M:HP HPMC stabilized emulsions. Small amplitude oscillatory shear measurements revealed that the HPMC that possessed a viscosity of 0.401 Pa s and high M:HP (4.45) displayed characteristics of a weak gel network, which likely provided additional resistance against particle size increase. The analysis of the data demonstrates that HPMC with high viscosity, high M:HP produce emulsions with greater physical stability. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Akinosho, Hannah O.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Akinosho, Hannah O.; Wicker, Louise] Univ Georgia, Dept Food Sci & Technol, Athens, GA 30602 USA.
[Wicker, Louise] Korea Univ, Coll Educ, Dept Home Econ Educ, Seoul 136701, South Korea.
RP Wicker, L (reprint author), Univ Georgia, Dept Food Sci & Technol, 100 Cedar St, Athens, GA 30602 USA.
EM lwicker@uga.edu
NR 34
TC 3
Z9 3
U1 10
U2 36
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0023-6438
EI 1096-1127
J9 LWT-FOOD SCI TECHNOL
JI LWT-Food Sci. Technol.
PD SEP
PY 2015
VL 63
IS 1
BP 582
EP 589
DI 10.1016/j.lwt.2015.02.024
PG 8
WC Food Science & Technology
SC Food Science & Technology
GA CI8MY
UT WOS:000355027600080
ER
PT J
AU Bokulich, NA
Amiranashvili, L
Chitchyan, K
Ghazanchyan, N
Darbinyan, K
Gagelidze, N
Sadunishvili, T
Goginyan, V
Kvesitadze, G
Torok, T
Mills, DA
AF Bokulich, Nicholas A.
Amiranashvili, Lia
Chitchyan, Karine
Ghazanchyan, Narine
Darbinyan, Karen
Gagelidze, Nino
Sadunishvili, Tinatin
Goginyan, Vigen
Kvesitadze, Giorgi
Torok, Tamas
Mills, David A.
TI Microbial biogeography of the transnational fermented milk matsoni
SO FOOD MICROBIOLOGY
LA English
DT Article
DE Fermentation; Microbial ecology; Next-generation sequencing
ID LACTIC-ACID BACTERIA; DAIRY-PRODUCTS; COMMUNITIES; DIVERSITY; SEQUENCES;
SELECTION; YEASTS
AB The fermented milk matsoni is a traditional, national food product of both Georgia and Armenia. Little is known about the effects of biogeography and milk type on the microbial biodiversity of matsoni or the fungal composition of matsoni fermentations. High-throughput marker-gene sequencing was used to survey the bacterial and fungal communities of matsoni from different milk types and regions throughout Armenia and Georgia. Results demonstrate that both production region and milk type influence matsoni microbiota, suggesting that the traditional production methods preserve the transfer of unique regional microbiota from batch to batch. Bacterial profiles were dominated by Lactobacillus and Streptococcus species. Yeast profiles varied dramatically, with Kluyveromyces marxianus, Candida famata, Saccharomyces cerevisiae, Lodderomyces elongisporus, and Kluyveromyces lactis being the most important species distinguishing production regions and milk types. This survey will enable more detailed capture and characterization of specific microbiota detected within these fermentations. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Bokulich, Nicholas A.; Mills, David A.] Univ Calif Davis, Dept Viticulture & Enol, Davis, CA 95616 USA.
[Bokulich, Nicholas A.; Mills, David A.] Univ Calif Davis, Dept Food Sci & Technol, Davis, CA 95616 USA.
[Bokulich, Nicholas A.; Mills, David A.] Univ Calif Davis, Foods Hlth Inst, Davis, CA 95616 USA.
[Amiranashvili, Lia; Gagelidze, Nino; Sadunishvili, Tinatin; Kvesitadze, Giorgi] Agr Univ Georgia, S Durmishidze Inst Biochem & Biotechnol, GE-0159 Tbilisi, Rep of Georgia.
[Chitchyan, Karine; Ghazanchyan, Narine; Darbinyan, Karen; Goginyan, Vigen] Sci & Prod Ctr Armbiotechnol NAS, Yerevan, Armenia.
[Torok, Tamas] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Mills, DA (reprint author), Univ Calif Davis, One Shields Ave, Davis, CA 95616 USA.
EM damills@ucdavis.edu
FU U.S. Department of Energy Global Initiatives for Proliferation
Prevention (GIPP) program [LBNL-0225-GE, LBNL-0231-AM]; Science and
Technology Center in Ukraine (STCU) [P509]; International Science and
Technology Center (ISTC) in Moscow, Russia [A-1957]; Peter J. Shields
Endowed Chair in Dairy Food Science (DAM); American Wine Society
Educational Foundation; American Society of Brewing Chemists Foundation;
NIH-NIGMS [T32-GM008799]; Dannon Company, Inc.
FX The authors thank Chad Masarweh, Morgan Lee, Khatuna Varsimashvili, Lana
Tolordava, Lela Tinikashvili, and Marika Gamkrelidze for technical
support, and Astghik Harutyunyan and Evrik Afrikyan for guidance and
advice on this work. This work was supported, in part, by the U.S.
Department of Energy Global Initiatives for Proliferation Prevention
(GIPP) program (LBNL-0225-GE and LBNL-0231-AM). The project in Georgia
(P509) was funded through the Science and Technology Center in Ukraine
(STCU). The International Science and Technology Center (ISTC) in
Moscow, Russia provided the financial support to Armenia (A-1957). This
work was also supported in part by funding from the Peter J. Shields
Endowed Chair in Dairy Food Science (DAM). NAB was supported by the
2012-2013 Dannon Probiotics Fellow Program (The Dannon Company, Inc.),
an American Wine Society Educational Foundation Endowment Fund
scholarship, the Brian Williams and Samuel Adams Scholarships (American
Society of Brewing Chemists Foundation), a Wine Spectator scholarship,
and Grant T32-GM008799 from NIH-NIGMS during the completion of this
work.
NR 38
TC 2
Z9 3
U1 4
U2 41
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0740-0020
EI 1095-9998
J9 FOOD MICROBIOL
JI Food Microbiol.
PD SEP
PY 2015
VL 50
BP 12
EP 19
DI 10.1016/j.fm.2015.01.018
PG 8
WC Biotechnology & Applied Microbiology; Food Science & Technology;
Microbiology
SC Biotechnology & Applied Microbiology; Food Science & Technology;
Microbiology
GA CI5FI
UT WOS:000354778800003
PM 25998810
ER
PT J
AU Li, JL
Lin, G
Yang, X
AF Li, Jinglai
Lin, Guang
Yang, Xu
TI A frozen Gaussian approximation-based multi-level particle swarm
optimization for seismic inversion
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Frozen Gaussian approximation; Full waveform inversion; High-frequency
wave; Particle swarm optimization
ID WAVE-FORM INVERSION; BEAM MIGRATION; KIRCHHOFF MIGRATION; GENETIC
ALGORITHMS; DEPTH MIGRATION; PROPAGATION
AB In this paper, we propose a frozen Gaussian approximation (FGA)-based multi-level particle swarm optimization (MLPSO) method for seismic inversion of high-frequency wave data. The method addresses two challenges in it: First, the optimization problem is highly non-convex, which makes hard for gradient-based methods to reach global minima. This is tackled by MLPSO which can escape from undesired local minima. Second, the character of high-frequency of seismic waves requires a large number of grid points in direct computational methods, and thus renders an extremely high computational demand on the simulation of each sample in MLPSO. We overcome this difficulty by three steps: First, we use FGA to compute high-frequency wave propagation based on asymptotic analysis on phase plane; Then we design a constrained full waveform inversion problem to prevent the optimization search getting into regions of velocity where FGA is not accurate; Last, we solve the constrained optimization problem by MLPSO that employs FGA solvers with different fidelity. The performance of the proposed method is demonstrated by a two-dimensional full-waveform inversion example of the smoothed Marmousi model. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Li, Jinglai] Shanghai Jiao Tong Univ, Dept Math, Inst Nat Sci, Shanghai 200240, Peoples R China.
[Li, Jinglai] Shanghai Jiao Tong Univ, MOE Key Lab Sci & Engn Comp, Shanghai 200240, Peoples R China.
[Lin, Guang] Purdue Univ, Sch Mech Engn, Dept Math, W Lafayette, IN 47907 USA.
[Lin, Guang] Pacific NW Natl Lab, Computat Sci & Math Div, Richland, WA 99352 USA.
[Yang, Xu] Univ Calif Santa Barbara, Dept Math, Santa Barbara, CA 93106 USA.
RP Li, JL (reprint author), Shanghai Jiao Tong Univ, Dept Math, Inst Nat Sci, Shanghai 200240, Peoples R China.
EM jinglaili@sjtu.edu.cn; lin491@purdue.edu; xuyang@math.ucsb.edu
RI Potanina, Maria/J-9525-2013; Li, Jinglai/F-9519-2010
OI Li, Jinglai/0000-0001-7980-6901
FU National Science Foundation of China [11301337]; Applied Mathematics
Program within the DOE's Office of Advanced Scientific Computing
Research as part of the Collaboratory on Mathematics for Mesoscopic
Modeling of Materials; DOE [DE-AC05-76RL01830]; NSF [DMS-1418936,
DMS-1107291]; University of California, Santa Barbara
FX J. Li was partially supported by the National Science Foundation of
China under grant number 11301337. G. Lin was supported by the Applied
Mathematics Program within the DOE's Office of Advanced Scientific
Computing Research as part of the Collaboratory on Mathematics for
Mesoscopic Modeling of Materials. Pacific Northwest National Laboratory
(PNNL) is operated by Battelle for the DOE under Contract
DE-AC05-76RL01830. X. Yang was partially supported by the NSF grants
DMS-1418936, and DMS-1107291: NSF Research Network in Mathematical
Sciences "KI-Net: Kinetic description of emerging challenges in
multiscale problems of natural science", and the Regents Junior Faculty
Fellowship of University of California, Santa Barbara.
NR 42
TC 2
Z9 2
U1 3
U2 14
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
EI 1090-2716
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD SEP 1
PY 2015
VL 296
BP 58
EP 71
DI 10.1016/j.jcp.2015.04.050
PG 14
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA CI6MO
UT WOS:000354873900003
ER
PT J
AU Starinshak, DP
Owen, JM
AF Starinshak, D. P.
Owen, J. M.
TI A subzone reconstruction algorithm for efficient staggered compatible
remapping
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Remapping; ALE methods
ID TOTAL-ENERGY; ARBITRARY; REPAIR; MESHES; REALE
AB Staggered-grid Lagrangian hydrodynamics algorithms frequently make use of subzonal discretization of state variables for the purposes of improved numerical accuracy, generality to unstructured meshes, and exact conservation of mass, momentum, and energy. For Arbitrary Lagrangian-Eulerian (ALE) methods using a geometric overlay, it is difficult to remap subzonal variables in an accurate and efficient manner due to the number of subzone-subzone intersections that must be computed. This becomes prohibitive in the case of 3D, unstructured, polyhedral meshes. A new procedure is outlined in this paper to avoid direct subzonal remapping. The new algorithm reconstructs the spatial profile of a subzonal variable using remapped zonal and nodal representations of the data. The reconstruction procedure is cast as an under-constrained optimization problem. Enforcing conservation at each zone and node on the remapped mesh provides the set of equality constraints; the objective function corresponds to a quadratic variation per subzone between the values to be reconstructed and a set of target reference values. Numerical results for various pure-remapping and hydrodynamics tests are provided. Ideas for extending the algorithm to staggered-grid radiation-hydrodynamics are discussed as well as ideas for generalizing the algorithm to include inequality constraints. (C) 2015 Elsevier Inc. All rights reserved.
C1 [Starinshak, D. P.; Owen, J. M.] Lawrence Livermore Natl Lab, AX Div, Livermore, CA 94550 USA.
RP Starinshak, DP (reprint author), Lawrence Livermore Natl Lab, AX Div, M-S L-38,POB 808, Livermore, CA 94550 USA.
EM starinshak1@llnl.gov; mikeowen@llnl.gov
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344.
NR 27
TC 3
Z9 3
U1 1
U2 12
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
EI 1090-2716
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD SEP 1
PY 2015
VL 296
BP 263
EP 292
DI 10.1016/j.jcp.2015.04.046
PG 30
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA CI6MO
UT WOS:000354873900013
ER
PT J
AU Cui, JZ
Liang, CY
Paisley, EA
Sepulveda, A
Ihlefeld, JF
Carman, GP
Lynch, CS
AF Cui, Jizhai
Liang, Cheng-Yen
Paisley, Elizabeth A.
Sepulveda, Abdon
Ihlefeld, Jon F.
Carman, Gregory P.
Lynch, Christopher S.
TI Generation of localized strain in a thin film piezoelectric to control
individual magnetoelectric heterostructures
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID MAGNETIZATION REVERSAL; MEMORY; RINGS
AB Experimental results demonstrate the ability of a surface electrode pattern to produce sufficient in-plane strain in a PbZr0.52Ti0.48O3 (PZT) thin film clamped by a Si substrate to control magnetism in a 1000 nm diameter Ni ring. The electrode pattern and the Ni ring/PZT thin film heterostructure were designed using a finite element based micromagnetics code. The magnetoelectric heterostructures were fabricated on the PZT film using e-beam lithography and characterized using magnetic force microscopy. Application of voltage to the electrodes moved one of the "onion" state domain walls. This method enables the development of complex architectures incorporating strain-mediated multiferroic devices. (C) 2015 AIP Publishing LLC.
C1 [Cui, Jizhai; Liang, Cheng-Yen; Sepulveda, Abdon; Carman, Gregory P.; Lynch, Christopher S.] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90095 USA.
[Paisley, Elizabeth A.; Ihlefeld, Jon F.] Sandia Natl Labs, Elect Opt & Nano Mat Dept, Albuquerque, NM 87185 USA.
RP Lynch, CS (reprint author), Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90095 USA.
EM cslynch@seas.ucla.edu
FU NSF Nanosystems Engineering Research Center for Translational
Applications of Nanoscale Multiferroic Systems (TANMS) [EEC-1160504];
U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX The authors would like to thank Dr. Scott Keller and Paul Nordeen for
valuable discussions. This work was supported by NSF Nanosystems
Engineering Research Center for Translational Applications of Nanoscale
Multiferroic Systems (TANMS) Cooperative Agreement Award (No.
EEC-1160504). Sandia National Laboratories is a multi-program laboratory
managed and operated by Sandia Corporation, a wholly owned subsidiary of
Lockheed Martin Corporation, for the U.S. Department of Energy's
National Nuclear Security Administration under Contract No.
DE-AC04-94AL85000.
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PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD AUG 31
PY 2015
VL 107
IS 9
AR 092903
DI 10.1063/1.4930071
PG 5
WC Physics, Applied
SC Physics
GA CQ9IB
UT WOS:000360926200043
ER
PT J
AU Hachtel, JA
Sachan, R
Mishra, R
Pantelides, ST
AF Hachtel, Jordan A.
Sachan, Ritesh
Mishra, Rohan
Pantelides, Sokrates T.
TI Quantitative first-principles theory of interface absorption in
multilayer heterostructures
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID INITIO MOLECULAR-DYNAMICS; OPTICAL-PROPERTIES; PRINCIPLES; SPECTRA;
CELLS
AB The unique chemical bonds and electronic states of interfaces result in optical properties that are different from those of the constituting bulk materials. In the nanoscale regime, the interface effects can be dominant and impact the optical response of devices. Using density functional theory (DFT), the interface effects can be calculated, but DFT is computationally limited to small systems. We describe a method to combine DFT with macroscopic methodologies to extract the interface effect on absorption in a consistent and quantifiable manner. The extracted interface effects are an independent parameter and can be applied to more complicated systems. We demonstrate, using NiSi2/Si heterostructures, that by varying the relative volume fractions of interface and bulk, we can tune the spectral range of the heterostructure absorption. (C) 2015 AIP Publishing LLC.
C1 [Hachtel, Jordan A.; Mishra, Rohan; Pantelides, Sokrates T.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Hachtel, Jordan A.; Sachan, Ritesh; Mishra, Rohan; Pantelides, Sokrates T.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Mishra, Rohan] Washington Univ, Dept Mech Engn & Mat Sci, St Louis, MO 63130 USA.
[Pantelides, Sokrates T.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA.
RP Hachtel, JA (reprint author), Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
EM jordan.a.hachtel@vanderbilt.edu
RI Mishra, Rohan/J-9127-2013; Hachtel, Jordan/R-1263-2016;
OI Mishra, Rohan/0000-0003-1261-0087; Hachtel, Jordan/0000-0002-9728-0920;
Sachan, Ritesh/0000-0002-3604-1467
FU U.S. Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division; McMinn Endowment at
Vanderbilt University; ERDC under the DTRA [ONRDC31079334];
[NSF-EPS-1004083]
FX This work was funded by NSF-EPS-1004083 (J.A.H. and S.T.P.), the U.S.
Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division (R.M. and R.S.), and the
McMinn Endowment at Vanderbilt University (S.T.P.). Computing resources
were provided by the AFRL and ERDC under the DTRA Contract No.
ONRDC31079334.
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PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD AUG 31
PY 2015
VL 107
IS 9
AR 091908
DI 10.1063/1.4930069
PG 5
WC Physics, Applied
SC Physics
GA CQ9IB
UT WOS:000360926200029
ER
PT J
AU Jal, E
Kortright, JB
Chase, T
Liu, TM
Gray, AX
Shafer, P
Arenholz, E
Xu, PF
Jeong, J
Samant, MG
Parkin, SSP
Durr, HA
AF Jal, Emmanuelle
Kortright, Jeffrey B.
Chase, Tyler
Liu, TianMin
Gray, Alexander X.
Shafer, Padraic
Arenholz, Elke
Xu, Pengfa
Jeong, Jaewoo
Samant, Mahesh G.
Parkin, Stuart S. P.
Duerr, Hermann A.
TI Interface Fe magnetic moment enhancement in MgO/Fe/MgO trilayers
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID CIRCULAR-DICHROISM; ROOM-TEMPERATURE; MAGNETORESISTANCE; REFLECTIVITY;
SYSTEM; MGO
AB We model room temperature soft x-ray resonant magnetic reflectivity to determine a 24% increase of the Fe magnetic moment of the 2-3 monolayers next to both MgO interfaces in a MgO(3 nm)/Fe(12 nm)/MgO(001) heterostructure. This direct measurement of such enhanced interface magnetic moments for buried interfaces confirms theoretical predictions and highlights the importance of considering inhomogeneous in-depth magnetic profile in Fe/MgO based magnetic tunnel junctions. (C) 2015 AIP Publishing LLC.
C1 [Jal, Emmanuelle] CNRS, Inst NEEL, F-38042 Grenoble, France.
[Jal, Emmanuelle; Chase, Tyler; Liu, TianMin; Gray, Alexander X.; Duerr, Hermann A.] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA.
[Kortright, Jeffrey B.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Gray, Alexander X.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
[Shafer, Padraic; Arenholz, Elke] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Xu, Pengfa; Jeong, Jaewoo; Samant, Mahesh G.; Parkin, Stuart S. P.] IBM Almaden Res Ctr, Almaden Res Ctr, San Jose, CA 95120 USA.
[Xu, Pengfa; Parkin, Stuart S. P.] Max Planck Inst Microstruct Phys, D-06120 Halle, Saale, Germany.
RP Jal, E (reprint author), CNRS, Inst NEEL, F-38042 Grenoble, France.
RI Durr, Hermann/F-6205-2012; Xu, Pengfa/E-2070-2016;
OI Xu, Pengfa/0000-0001-5722-0088; Chase, Tyler/0000-0003-3167-8095; Jal,
Emmanuelle/0000-0001-5297-9124
FU Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division [DE-AC02-76SF00515]; Canada
Foundation for Innovation; Natural Sciences and Engineering Research
Council of Canada; University of Saskatchewan; Government of
Saskatchewan; Western Economic Diversification Canada; National Research
Council Canada; Canadian Institutes of Health Research; Office of
Science, Office of Basic Energy Sciences of the U.S. Department of
Energy [DE-AC02-05CH11231]
FX Work at SIMES was supported by the Department of Energy, Office of
Science, Basic Energy Sciences, Materials Sciences and Engineering
Division, under Contract No. DE-AC02-76SF00515. Work at the REIX
beamline (10ID-2) at the Canadian Light Source was supported by the
Canada Foundation for Innovation, Natural Sciences and Engineering
Research Council of Canada, the University of Saskatchewan, the
Government of Saskatchewan, Western Economic Diversification Canada, the
National Research Council Canada, and the Canadian Institutes of Health
Research. Work at the Advanced Light Source was supported by the
Director, Office of Science, Office of Basic Energy Sciences of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231.
NR 35
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PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD AUG 31
PY 2015
VL 107
IS 9
AR 092404
DI 10.1063/1.4929990
PG 4
WC Physics, Applied
SC Physics
GA CQ9IB
UT WOS:000360926200037
ER
PT J
AU Madaan, N
Bao, J
Nandasiri, M
Xu, ZJ
Thevuthasan, S
Devaraj, A
AF Madaan, Nitesh
Bao, Jie
Nandasiri, Manjula
Xu, Zhijie
Thevuthasan, Suntharampillai
Devaraj, Arun
TI Impact of dynamic specimen shape evolution on the atom probe tomography
results of doped epitaxial oxide multilayers: Comparison of experiment
and simulation
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID ZIRCONIA THIN-FILMS; IONIC-CONDUCTIVITY; FIELD EVAPORATION;
ELECTROLYTES; ENHANCEMENT; GROWTH; LAYERS; CERIA
AB The experimental atom probe tomography (APT) results from two different specimen orientations (top-down and sideways) of a high oxygen ion conducting Samaria-doped-ceria/Scandia-stabilized-zirconia multilayer thin film solid oxide fuel cell electrolyte was compared with level-set method based field evaporation simulations for the same specimen orientations. This experiment-simulation comparison explains the dynamic specimen shape evolution and ion trajectory aberrations that can induce density artifacts in final reconstruction, leading to inaccurate estimation of interfacial intermixing. This study highlights the importance of comparing experimental results with field evaporation simulations when using APT to study oxide heterostructure interfaces. (C) 2015 AIP Publishing LLC.
C1 [Madaan, Nitesh; Nandasiri, Manjula; Thevuthasan, Suntharampillai; Devaraj, Arun] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Bao, Jie] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99354 USA.
[Xu, Zhijie] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99354 USA.
[Thevuthasan, Suntharampillai] Qatar Fdn, Qatar Environm & Energy Res Inst, Doha, Qatar.
RP Devaraj, A (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, 3335 Innovat Blvd, Richland, WA 99354 USA.
EM arun.devaraj@pnnl.gov
RI Xu, Zhijie/A-1627-2009
OI Xu, Zhijie/0000-0003-0459-4531
FU Laboratory Directed Research and Development (LDRD) program of Pacific
Northwest National Laboratory (PNNL) as a part of Chemical Imaging
Initiative; U.S. Department of Energy's (DOE's) Office of Biological and
Environmental Research located at PNNL; DOE [DE-AC05-76RLO1830]
FX This work was supported by the Laboratory Directed Research and
Development (LDRD) program of Pacific Northwest National Laboratory
(PNNL) as a part of Chemical Imaging Initiative. A portion of this work
was conducted in the William R. Wiley Environmental Molecular Sciences
Laboratory (EMSL), a national scientific user facility sponsored by the
U.S. Department of Energy's (DOE's) Office of Biological and
Environmental Research located at PNNL. PNNL is operated by Battelle for
the DOE under Contract No. DE-AC05-76RLO1830.
NR 25
TC 1
Z9 1
U1 0
U2 10
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD AUG 31
PY 2015
VL 107
IS 9
AR 091601
DI 10.1063/1.4929705
PG 5
WC Physics, Applied
SC Physics
GA CQ9IB
UT WOS:000360926200017
ER
PT J
AU Si, WD
Zhang, C
Wu, LJ
Ozaki, T
Gu, GD
Li, Q
AF Si, Weidong
Zhang, Cheng
Wu, Lijun
Ozaki, Toshinori
Gu, Genda
Li, Qiang
TI Superconducting thin films of (100) and (111) oriented indium doped
topological crystalline insulator SnTe
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID TRANSITION
AB Recent discovery of the topological crystalline insulator SnTe has triggered a search for topological superconductors, which have potential application to topological quantum computing. The present work reports on the superconducting properties of indium doped SnTe thin films. The (100) and (111) oriented thin films were epitaxially grown by pulsed-laser deposition on (100) and (111) BaF2 crystalline substrates, respectively. The onset superconducting transition temperatures are about 3.8K for (100) and 3.6K for (111) orientations, slightly lower than that of the bulk. Magneto-resistive measurements indicate that these thin films may have upper critical fields higher than that of the bulk. With large surface-to-bulk ratio, superconducting indium doped SnTe thin films provide a rich platform for the study of topological superconductivity and potential device applications based on topological superconductors. (C) 2015 AIP Publishing LLC.
C1 [Si, Weidong; Zhang, Cheng; Wu, Lijun; Ozaki, Toshinori; Gu, Genda; Li, Qiang] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
RP Si, WD (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
EM wds@bnl.gov; qiangli@bnl.gov
RI Zhang, Cheng/R-6593-2016
OI Zhang, Cheng/0000-0001-6531-4703
FU U.S. Department of Energy, Office of Basic Energy Science, Division of
Materials Science and Engineering [DE-SC0012704]
FX This work was supported by the U.S. Department of Energy, Office of
Basic Energy Science, Division of Materials Science and Engineering,
under Contract No. DE-SC0012704. The authors would like to thank Dr.
Arnold Moodenbaugh for critical reading of this manuscript.
NR 26
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U1 6
U2 31
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PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD AUG 31
PY 2015
VL 107
IS 9
AR 092601
DI 10.1063/1.4929815
PG 4
WC Physics, Applied
SC Physics
GA CQ9IB
UT WOS:000360926200039
ER
PT J
AU Wei, GH
Stanev, TK
Czaplewski, DA
Jung, IW
Stern, NP
AF Wei, Guohua
Stanev, Teodor K.
Czaplewski, David A.
Jung, Il Woong
Stern, Nathaniel P.
TI Silicon-nitride photonic circuits interfaced with monolayer MoS2
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID SINGLE-LAYER MOS2; HIGH-RESPONSIVITY; PHOTOLUMINESCENCE; PHOTODETECTORS
AB We report on the integration of monolayer molybdenum disulphide with silicon nitride microresonators assembled by visco-elastic layer transfer techniques. Evanescent coupling from the resonator mode to the monolayer is confirmed through measurements of cavity transmission. The absorption of the monolayer semiconductor flakes in this geometry is determined to be 850 dB/cm, which is larger than that of graphene and black phosphorus with the same thickness. This technique can be applied to diverse monolayer semiconductors for assembling hybrid optoelectronic devices such as photodetectors and modulators operating over a wide spectral range. (C) 2015 AIP Publishing LLC.
C1 [Wei, Guohua; Stern, Nathaniel P.] Northwestern Univ, Appl Phys Program, Evanston, IL 60208 USA.
[Stanev, Teodor K.; Stern, Nathaniel P.] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA.
[Czaplewski, David A.; Jung, Il Woong] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Wei, GH (reprint author), Northwestern Univ, Appl Phys Program, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM n-stern@northwestern.edu
RI Stern, Nathaniel/A-5055-2009
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering [DE-SC0012130]; Institute for
Sustainability and Energy at Northwestern (opto-electronic device
integration); Argonne National Laboratory; U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX This work was supported by the U.S. Department of Energy, Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering
(DE-SC0012130) (spectroscopy), the Institute for Sustainability and
Energy at Northwestern (opto-electronic device integration), and Argonne
National Laboratory. Use of the Center for Nanoscale Materials was
supported by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. This work
utilized Northwestern University Micro/Nano Fabrication Facility
(NUFAB), which was supported by the State of Illinois and Northwestern
University. N.P.S. is an Alfred P. Sloan Research Fellow.
NR 28
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U1 1
U2 25
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD AUG 31
PY 2015
VL 107
IS 9
AR 091112
DI 10.1063/1.4929779
PG 4
WC Physics, Applied
SC Physics
GA CQ9IB
UT WOS:000360926200012
ER
PT J
AU Mazumder, B
Purohit, V
Gruber, M
Vella, A
Vurpillot, F
Deconihout, B
AF Mazumder, B.
Purohit, Viswas
Gruber, M.
Vella, A.
Vurpillot, F.
Deconihout, B.
TI Challenges in the study of Fe/MgO/Fe interfaces using 3D Atom Probe
SO THIN SOLID FILMS
LA English
DT Article
DE 3D atom probe; Surface characterization; Magnesium oxide; Field
evaporation; Metal-oxide interface; Mass spectra
ID OXIDE TUNNEL BARRIERS; FIELD-ION MICROSCOPY; FEMTOSECOND-LASER;
THIN-FILM; FORMATION MECHANISM; TOMOGRAPHY; EVAPORATION; DEVICES; LAYER;
MGO
AB Detailed interface studies were conducted on two Fe/MgO/Fe systems having different thicknesses of MgO layers, using a laser assisted 3D atom probe. In conjunction with a detailed 3D reconstruction, the system exhibited an additional oxide formation at the interface between MgO and Fe of the multilayer structure. This oxide formation was found to be independent of the laser wavelength, laser fluence and the thickness of the intermediate layers. By using numerical simulations of field evaporation of two layers having two different evaporation fields, we discuss the possible oxidation mechanisms. (C) 2015 Elsevier B. V. All rights reserved.
C1 [Mazumder, B.; Purohit, Viswas; Gruber, M.; Vella, A.; Vurpillot, F.; Deconihout, B.] UFR Sci Site Madrillet, CORIA UMR CNRS 6614, UMR CNRS 6634, Grp Phys Mat, St Etienne, France.
[Purohit, Viswas] Alliance Coll Engn & Design, Dept Plasma Phys, Bangalore 562106, Karnataka, India.
[Mazumder, B.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Purohit, V (reprint author), Alliance Coll Engn & Design, Dept Plasma Phys, Anekal Main Rd, Bangalore 562106, Karnataka, India.
EM vishwas.purohit@gmail.com
RI Mazumder, Baishakhi/A-1804-2016
OI Mazumder, Baishakhi/0000-0001-5158-5799
FU ESP Carnot; TAPAS; ANR; Cameca France
FX We acknowledge the ESP Carnot, the TAPAS, the ANR and Cameca France for
supporting our work. We would like to thank Ryota Gemma and Dr. Talat
Al-Kassab from the University of Gottingen for helping in MgO sample
preparation.
NR 41
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U1 4
U2 17
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0040-6090
J9 THIN SOLID FILMS
JI Thin Solid Films
PD AUG 31
PY 2015
VL 589
BP 38
EP 46
DI 10.1016/j.tsf.2015.04.079
PG 9
WC Materials Science, Multidisciplinary; Materials Science, Coatings &
Films; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Physics
GA CQ0XB
UT WOS:000360320000008
ER
PT J
AU Peelaers, H
Steiauf, D
Varley, JB
Janotti, A
Van de Walle, CG
AF Peelaers, Hartwin
Steiauf, Daniel
Varley, Joel B.
Janotti, Anderson
Van de Walle, Chris G.
TI (InxGa1-x)(2)O-3 alloys for transparent electronics
SO PHYSICAL REVIEW B
LA English
DT Article
ID MOLECULAR-BEAM EPITAXY; BETA-GA2O3 SINGLE-CRYSTALS; ULTRAVIOLET
PHOTODETECTORS; THIN-FILMS; GROWTH; CONDUCTIVITY; ABSORPTION; SYSTEM;
IN2O3; GA2O3
AB (InxGa1-x)(2)O-3 alloys show promise as transparent conducting oxides. Using hybrid density functional calculations, band gaps, formation enthalpies, and structural parameters are determined for monoclinic and bixbyite crystal structures. In the monoclinic phase the band gap exhibits a linear dependence on alloy concentration, whereas in the bixbyite phase a large band-gap bowing occurs. The calculated formation enthalpies showthat the monoclinic structure is favorable for In compositions up to 50% and bixbyite for larger compositions. This is caused by In strongly preferring sixfold oxygen coordination. The formation enthalpy of the 50:50 monoclinic alloy is much lower than the formation enthalpy of the 50:50 bixbyite alloy and also lower than most monoclinic alloys with lower In concentration; these trends are explained in terms of local strain. Consequences for experiment and applications are discussed.
C1 [Peelaers, Hartwin; Steiauf, Daniel; Varley, Joel B.; Janotti, Anderson; Van de Walle, Chris G.] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA.
[Varley, Joel B.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Peelaers, H (reprint author), Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA.
FU Army Research Office [W911NF-13-1-0380]; ONR DEFINE MURI
[N00014-10-1-0937]; MRSEC Program of the National Science Foundation
[DMR-1121053]; MRL through NSF MRSEC [DMR-1121053]; NSF [CNS-0960316];
National Science Foundation [ACI-1053575]; U.S. Department of Energy at
Lawrence Livermore National Laboratory [DE-AC52-07A27344]
FX H.P. was supported by the Army Research Office (Grant No.
W911NF-13-1-0380). D.S. was supported by ONR DEFINE MURI (Grant No.
N00014-10-1-0937). J.V. and A. J. were supported by the MRSEC Program of
the National Science Foundation (Grant No. DMR-1121053). Computing
resources were provided by the Center for Scientific Computing at CNSI
and MRL through NSF MRSEC (Grant No. DMR-1121053) and NSF Grant No.
CNS-0960316, as well as by the Extreme Science and Engineering Discovery
Environment (XSEDE), which is supported by National Science Foundation
Grant No. ACI-1053575. Part of this work was performed under the
auspices of the U.S. Department of Energy at Lawrence Livermore National
Laboratory under Contract No. DE-AC52-07A27344.
NR 39
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U1 10
U2 42
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
EI 1550-235X
J9 PHYS REV B
JI Phys. Rev. B
PD AUG 31
PY 2015
VL 92
IS 8
AR 085206
DI 10.1103/PhysRevB.92.085206
PG 6
WC Physics, Condensed Matter
SC Physics
GA CQ0EW
UT WOS:000360269000003
ER
PT J
AU Benedetti, C
Rossi, F
Schroeder, CB
Esarey, E
Leemans, WP
AF Benedetti, C.
Rossi, F.
Schroeder, C. B.
Esarey, E.
Leemans, W. P.
TI Pulse evolution and plasma-wave phase velocity in channel-guided
laser-plasma accelerators
SO PHYSICAL REVIEW E
LA English
DT Article
ID NONLINEAR-THEORY; INTENSE; PROPAGATION; ULTRASHORT
AB The self-consistent laser evolution of an intense, short-pulse laser exciting a plasma wave and propagating in a preformed plasma channel is investigated, including the effects of pulse steepening and energy depletion. In the weakly relativistic laser intensity regime, analytical expressions for the laser energy depletion, pulse self-steepening rate, laser intensity centroid velocity, and phase velocity of the plasma wave are derived and validated numerically.
C1 [Benedetti, C.; Schroeder, C. B.; Esarey, E.; Leemans, W. P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Rossi, F.] Univ Bologna, I-40126 Bologna, Italy.
[Rossi, F.] Ist Nazl Fis Nucl, I-40126 Bologna, Italy.
RP Benedetti, C (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
EM cbenedetti@lbl.gov
OI Schroeder, Carl/0000-0002-9610-0166
FU Office of Science, Office of High Energy Physics, of the U.S. DOE
[DE-AC02-05CH11231]
FX This work was supported by the Director, Office of Science, Office of
High Energy Physics, of the U.S. DOE under Contract No.
DE-AC02-05CH11231, and used the computational facilities at the National
Energy Research Scientific Computing Center (NERSC). The authors would
like to thank B. A. Shadwick, S. S. Bulanov, and G. Turchetti for useful
discussions and suggestions.
NR 26
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U2 13
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1539-3755
EI 1550-2376
J9 PHYS REV E
JI Phys. Rev. E
PD AUG 31
PY 2015
VL 92
IS 2
AR 023109
DI 10.1103/PhysRevE.92.023109
PG 11
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA CQ0FR
UT WOS:000360271200010
PM 26382537
ER
PT J
AU Son, S
Chen, L
Derome, D
Carmeliet, J
AF Son, Soyoun
Chen, Li
Derome, Dominique
Carmeliet, Jan
TI Numerical study of gravity-driven droplet displacement on a surface
using the pseudopotential multiphase lattice Boltzmann model with high
density ratio
SO COMPUTERS & FLUIDS
LA English
DT Article
DE Multiphase flow; Gravity-driven droplet displacement; Wettability;
Grooved surface; Lattice Boltzmann method
ID PORE-SCALE; LIQUID-GAS; FLOWS; SIMULATION; EQUATIONS; DYNAMICS;
DISSOLUTION; FLUIDS; STATE
AB Gravity-driven displacement of a droplet on a grooved surface is studied using the Shan and Chen's pseudopotential multiphase lattice Boltzmann (LB) model allowing a high density ratio between the gas and liquid phases. To verify and validate the multiphase LB model, we find good agreement of the LB simulations with the pressure difference over a droplet described by Laplace's law, as well as with the dynamic capillary intrusion process obtained by Washburn's law. The equilibrium contact angle of a droplet on a smooth horizontal surface is studied as a function of the wettability, finding good agreement with an empirical scheme obtained with Young's equation. The dynamic behavior of a droplet moving down a vertical surface under different gravitational forces is studied. On a vertical wall, the liquid droplet reaches a terminal velocity, which value depends on the wettability of the surface and strength of the gravitational force. When a hydrophilic groove is introduced along the surface, the droplet shows a complex behavior and, depending on the height of the groove, different patterns and mechanisms of the liquid filling the groove are observed. For small groove heights, the droplet totally fills in the groove. At certain groove height, a liquid bridge is formed between top and bottom surfaces dragging most liquid onto the bottom surface. At increasing height, this liquid bridge is broken, and liquid can be dragged into the groove by adhesion force. At high groove heights, the droplet breaks up in smaller droplets dripping from the top surface onto the bottom surface, and only a small amount of liquid remains in the groove. When the wettability of the groove or surface is changed, the liquid filling behavior changes notably. For a hydrophobic surface, but hydrophilic groove, the groove is filled partly by the liquid, while, for the opposite condition, a hydrophobic groove in a hydrophilic wall, the droplet runs into the groove, but the liquid is again dragged out and no filling of the groove occurs. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Son, Soyoun; Derome, Dominique; Carmeliet, Jan] EMPA Swiss Fed Labs Mat Sci & Technol, Lab Multiscale Studies Bldg Phys, Dubendorf, Switzerland.
[Son, Soyoun; Carmeliet, Jan] ETH, Swiss Fed Inst Technol Zurich, Chair Bldg Phys, Zurich, Switzerland.
[Chen, Li] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermofluid Sci & Engn MOE, Xian 710049, Shaanxi, Peoples R China.
[Chen, Li] Los Alamos Natl Lab, Earth & Environm Sci Grp EES 16, Los Alamos, NM USA.
RP Son, S (reprint author), EMPA Swiss Fed Labs Mat Sci & Technol, Lab Multiscale Studies Bldg Phys, Dubendorf, Switzerland.
EM soyoun.son@empa.ch; lichenmt@lanl.gov
RI Chen, Li/P-4886-2014
OI Chen, Li/0000-0001-7956-3532
FU SNF, Switzerland [200021-143651]; NSFC, China [51406145, 51136004]
FX This work is supported by SNF (200021-143651), Switzerland. Li Chen
appreciates the support of NSFC (Nos. 51406145 and 51136004), China.
NR 34
TC 3
Z9 3
U1 2
U2 19
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
EI 1879-0747
J9 COMPUT FLUIDS
JI Comput. Fluids
PD AUG 31
PY 2015
VL 117
BP 42
EP 53
DI 10.1016/j.compfluid.2015.04.022
PG 12
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA CN2RL
UT WOS:000358269500005
ER
PT J
AU Martinez, J
Piscaglia, F
Montorfano, A
Onorati, A
Aithal, SM
AF Martinez, J.
Piscaglia, F.
Montorfano, A.
Onorati, A.
Aithal, S. M.
TI Influence of spatial discretization schemes on accuracy of explicit LES:
Canonical problems to engine-like geometries
SO COMPUTERS & FLUIDS
LA English
DT Article
DE Engine LES; Sigma; OpenFOAM
ID TURBULENT CHANNEL FLOW; LARGE-EDDY SIMULATIONS; MODEL; WALL; LAYER
AB The choice of the spatial discretization scheme and the subgrid-scale (SGS) model can have a significant impact on the accuracy of Large Eddy Simulations (LES). A systematic study of the influence of the advection term discretization scheme, namely (ODE, LUST) and the SGS model (sigma-model, WALE and dynamic Smagorinsky) on the accuracy of the solution is presented in this work. Three canonical cases with increasing complexity are considered in this study, namely, a fully developed turbulent channel flow with Re-tau = 395, a backward facing step and a wall-mounted hump. Mean errors with respect to DNS or experimental data are quantified in order to compare the relative accuracy of each combination of scheme/model. Detailed comparison of the numerical simulations performed by the open-source CFD code OpenFOAM (R) shows that the sigma-model with the LUST discretization scheme yields the best results. This combination of sigma-model with LUST discretization scheme has hence been used to study the turbulent flow characteristics in an engine-like geometry. Results show good agreement with experimental data. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Martinez, J.; Piscaglia, F.; Montorfano, A.; Onorati, A.] Politecn Milan, Dip Energia, I-20156 Milan, Italy.
[Aithal, S. M.] Argonne Natl Lab, Lemont, IL 60439 USA.
RP Martinez, J (reprint author), Politecn Milan, Dip Energia, Via Lambruschini 4, I-20156 Milan, Italy.
EM jmartrubio@gmail.com
RI Montorfano, Andrea/L-9727-2015
OI Montorfano, Andrea/0000-0003-2211-2292
NR 48
TC 1
Z9 1
U1 1
U2 4
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
EI 1879-0747
J9 COMPUT FLUIDS
JI Comput. Fluids
PD AUG 31
PY 2015
VL 117
BP 62
EP 78
DI 10.1016/j.compfluid.2015.05.007
PG 17
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA CN2RL
UT WOS:000358269500007
ER
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CA ATLAS Collaboration
TI A search for t(t)over-bar resonances using lepton-plus-jets events in
proton-proton collisions at root s=8 TeV with the ATLAS detector
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Exotics; Hadron-Hadron Scattering; Top physics
ID PRODUCTION CROSS-SECTION; QUARK PAIR PRODUCTION; COMPOSITE HIGGS; PARTON
DISTRIBUTIONS; VACUUM MISALIGNMENT; HADRON COLLIDERS; PP COLLISIONS;
LHC; RESUMMATION; ALGORITHM
AB A search for new particles that decay into top quark pairs is reported. The search is performed with the ATLAS experiment at the LHC using an integrated luminosity of 20.3 fb(-1) of proton-proton collision data collected at a centre-of-mass energy of root s = 8TeV. The lepton-plus-jets final state is used, where the top pair decays to W (+) bW(-)(b) over bar, with one W boson decaying leptonically and the other hadronically. The invariant mass spectrum of top quark pairs is examined for local excesses or deficits that are inconsistent with the Standard Model predictions. No evidence for a top quark pair resonance is found, and 95% confidence-level limits on the production rate are determined for massive states in benchmark models. The upper limits on the cross-section times branching ratio of a narrow Z' boson decaying to top pairs range from 4.2 pb to 0.03 pb for resonance masses from 0.4 TeV to 3.0 TeV. A narrow leptophobic topcolour Z' boson with mass below 1.8 TeV is excluded. Upper limits are set on the cross-section times branching ratio for a broad colour-octet resonance with Gamma/m = 15% decaying to tt. These range from 4.8 pb to 0.03 pb for masses from 0.4 TeV to 3.0 TeV. A Kaluza-Klein excitation of the gluon in a Randall-Sundrum model is excluded for masses below 2.2 TeV.
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[Kuday, S.] Istanbul Aydin Univ, Istanbul, Turkey.
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[Arik, M.; Istin, S.; Ozcan, V. E.] Bogazici Univ, Dept Phys, Istanbul, Turkey.
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[Alberghi, G. L.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Bruschi, M.; Corradi, M.; De Castro, S.; Fabbri, L.; Franchini, M.; Gabrielli, A.; Giacobbe, B.; Giorgi, F. M.; Grafstroem, P.; Manghi, F. Lasagni; Massa, I.; Massa, L.; Mengarelli, A.; Negrini, M.; Piceinini, M.; Polini, A.; Rinaldi, L.; Romano, M.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Sidoti, A.; Spighi, R.; Tupputi, S. A.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Univ Bologna, INFN Sez Bologna, Bologna, Italy.
[Alberghi, G. L.; De Castro, S.; Fabbri, L.; Franchini, M.; Gabrielli, A.; Grafstroem, P.; Manghi, F. Lasagni; Massa, I.; Massa, L.; Mengarelli, A.; Piceinini, M.; Romano, M.; Sbrizzi, A.; Semprini-Cesari, N.; Sidoti, A.; Tupputi, S. A.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy.
[Arslan, O.; Bechtle, P.; Bernlochner, F. U.; Brock, I.; Cioara, I. A.; Cristinziani, M.; Davey, W.; Desch, K.; Dingfelder, J.; Ehrenfeld, W.; Gaycken, G.; Geich-Gimbel, Ch.; Gonella, L.; Haefner, P.; Hageboeck, S.; Hansen, M. C.; Hellmich, D.; Hohn, D.; Huegging, F.; Janssen, J.; Kostyukhin, V. V.; Kraus, J. K.; Kroseberg, J.; Krueger, H.; Lenz, T.; Leyko, A. M.; Liebal, J.; Limbach, C.; Mergelmeyer, S.; Mijovic, L.; Mueller, K.; Obermann, T.; Pohl, D.; Ricken, O.; Sarrazin, B.; Schaepe, S.; Schopf, E.; Schultens, M. J.; Schwindt, T.; Scutti, F.; Seema, P.; Stillings, J. A.; Tannoury, N.; Therhaag, J.; Uhlenbrock, M.; Velz, T.; von Toerne, E.; Wagner, P.; Wang, T.; Wermes, N.; Wienemann, P.; Wiik-Fuchs, L. A. M.; Winter, B. T.; Wong, K. H. Yau] Univ Bonn, Inst Phys, Bonn, Germany.
[Ahlen, S. P.; Bernard, C.; Black, K. M.; Butler, J. M.; Dell'Asta, L.; Helary, L.; Kruskal, M.; Long, B. A.; Shank, J. T.; Yan, Z.; Youssef, S.] Boston Univ, Dept Phys, Boston, MA 02215 USA.
[Amelung, C.; Amundsen, G.; Artoni, G.; Bensinger, J. R.; Bianchini, L.; Blocker, C.; Coffey, L.; Dhaliwal, S.; Fitzgerald, E. A.; Sciolla, G.; Venturini, A.; Zengel, K.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA.
[Amaral Coutinho, Y.; Caloba, L. P.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Seixas, J. M.] Univ Fed Rio de Janeiro, COPPE EE IF, Rio De Janeiro, Brazil.
[Cerqueira, A. S.; Manhaes de Andrade Filho, L.] Fed Univ Juiz de Fora UFJF, Elect Circuits Dept, Juiz De Fora, Brazil.
[do Vale, M. A. B.] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil.
[Donadelli, M.; La Rosa Navarro, J. L.; Leite, M. A. L.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil.
[Adams, D. L.; Assamagan, K.; Begel, M.; Buttinger, W.; Chen, H.; Chernyatin, V.; Debbe, R.; Ernst, M.; Gibbard, B.; Gordon, H. A.; Iakovidis, G.; Klimentov, A.; Kouskoura, V.; Kravchenko, A.; Lanni, F.; Lissauer, D.; Lynn, D.; Ma, H.; Maeno, T.; Metcalfe, J.; Mountricha, E.; Nevski, P.; Nilsson, P.; Damazio, D. Oliveira; Paige, F.; Panitkin, S.; Perepelitsa, D. V.; Pleier, M. -A.; Polychronakos, V.; Protopopescu, S.; Purohit, M.; Radeka, V.; Rajagopalan, S.; Redlinger, G.; Snyder, S.; Steinberg, P.; Takai, H.; Undrus, A.; Wenaus, T.; Ye, S.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Alexa, C.; Boldea, V.; Buda, S. I.; Caprini, I.; Caprini, M.; Chitan, A.; Ciubancan, M.; Constantinescu, S.; Dita, P.; Dita, S.; Dobre, M.; Ducu, O. A.; Jinaru, A.; Martoiu, V. S.; Maurer, J.; Olariu, A.; Pantea, D.; Rotaru, M.; Stoicea, G.; Tudorache, A.; Tudorache, V.] Natl Inst Phys & Nucl Engn, Bucharest, Romania.
[Popeneciu, G. A.] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania.
Univ Politehn Bucuresti, Bucharest, Romania.
West Univ Timisoara, Timisoara, Romania.
[Otero y Garzon, G.; Piegaia, R.; Reisin, H.; Sacerdoti, S.] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina.
[Arratia, M.; Barlow, N.; Batley, J. R.; Brochu, F. M.; Carter, J. R.; Chapman, J. D.; Cottin, G.; French, S. T.; Gillam, T. P. S.; Hill, J. C.; Kaneti, S.; Khoo, T. J.; Lester, C. G.; Mueller, T.; Parker, M. A.; Robinson, D.; Thomson, M.; Ward, C. P.; Yusuff, I.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
[Bellerive, A.; Cree, G.; Di Valentino, D.; Koffas, T.; Lacey, J.; Leight, W. A.; McCarthy, T. G.; Nomidis, I.; Oakhamd, F. G.; Pasztor, G.; Tarrade, F.; Ueno, R.; Vincter, M. G.; Whalen, K.] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada.
[Abreu, R.; Aleksa, M.; Gonzalez, B. Alvarez; Andari, N.; Anders, G.; Anghinolfi, F.; Armbruster, A. J.; Arnaez, O.; Avolio, G.; Baak, M. A.; Backes, M.; Backhaus, M.; Barak, L.; Beltramello, O.; Bianco, M.; Bogaerts, J. A.; Boveia, A.; Boyd, J.; Burckhart, H.; Campana, S.; Garrido, M. D. M. Capeans; Carli, T.; Catinaccio, A.; Cattai, A.; Cerv, M.; Chromek-Burckhart, D.; Conti, G.; Dell'Acqua, A.; Deviveiros, P. O.; Di Girolamo, A.; Di Girolamo, B.; Dittus, F.; Dobos, D.; Dudarev, A.; Duehrssen, M.; Eifert, T.; Ellis, N.; Elsing, M.; Farthouat, P.; Fassnacht, P.; Feigl, S.; Perez, S. Fernandez; Francis, D.; Froidevaux, D.; Gillberg, D.; Glatzer, J.; Goossens, L.; Gorini, B.; Gray, H. M.; Hawkings, R. J.; Helsens, C.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Hubacek, Z.; Huhtinen, M.; Iengo, P.; Jaekel, M. R.; Jakobsen, S.; Kaneda, M.; Klioutchnikova, T.; Krasznahorkay, A.; Lantzsch, K.; Lapoire, C.; Lassnig, M.; Miotto, G. Lehmann; Lenzi, B.; Lichard, P.; Macina, D.; Malyukov, S.; Mandelli, B.; Mapelli, L.; Marzin, A.; Milic, A.; Mornacchi, G.; Nairz, A. M.; Nakahama, Y.; Nessi, M.; Nicquevert, B.; Nordberg, M.; Oide, H.; Palestini, S.; Pauly, T.; Pernegger, H.; Peters, K.; Petersen, B. A.; Pommes, K.; Poppleton, A.; Poulard, G.; Poveda, J.; Prasad, S.; Rammensee, M.; Raymond, M.; Rembser, C.; Roe, S.; Ruiz-Martinez, A.; Salzburger, A.; Schaefer, D.; Schlenker, S.; Schmieden, K.; Serfon, C.; Sfyrla, A.; Solans, C. A.; Spigo, G.; Stelzer, H. J.; Teischinger, F. A.; Ten Kate, H.; Tremblet, L.; Tricoli, A.; Tsarouchas, C.; Unal, G.; van Woerden, M. C.; Vandelli, W.; Vigne, R.; Voss, R.; Vuillermet, R.; Wells, P. S.; Wengler, T.; Wenig, S.; Werner, P.; Wilkens, H. G.; Wotschack, J.; Young, C. J. S.; Zwalinski, L.] CERN, Geneva, Switzerland.
[Alison, J.; Anderson, K. J.; Toro, R. Camacho; Cheng, Y.; Dandoy, J. R.; Facini, G.; Fiascaris, M.; Gardner, R. W.; Ilchenko, Y.; Kapliy, A.; Kim, Y.; Krizka, K.; Li, H. L.; Merritt, F. S.; Miller, D. W.; Narayan, R.; Okumura, Y.; Onyisi, P. U. E.; Oreglia, M. J.; Penning, B.; Pilcher, J. E.; Saxon, J.; Shochet, M. J.; Vukotic, I.; Webster, J. S.; Wu, M.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Carquin, E.; Diaz, M. A.; Ochoa-Ricoux, J. P.; Vogel, M.] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile.
[Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.; White, R.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile.
[Bai, Y.; Fang, Y.; Jin, S.; Lou, X.; Ouyang, Q.; Ren, H.; Shan, L. Y.; Sun, X.; Wang, J.; Xu, D.; Yao, L.; Zhu, H.; Zhuang, X.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
[Gao, J.; Guan, L.; Han, L.; Hu, Q.; Jiang, Y.; Li, B.; Liu, J. B.; Liu, M.; Liu, Y.; Peng, H.; Song, H. Y.; Xu, L.; Zhang, R.; Zhao, Z.; Zhu, Y.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China.
[Chen, S.; Guo, J.; Li, Y.; Wang, C.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China.
[Chen, L.; Feng, C.; Ge, P.; Ma, L. L.; Zhang, X.; Zhao, Y.; Zhu, C. G.] Shandong Univ, Sch Phys, Jinan, Shandong, Peoples R China.
[Li, L.; Yang, H.] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200030, Peoples R China.
[Chen, X.] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
[Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Clermont Univ, Lab Phys Corpusculaire, Clermont Ferrand, France.
[Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Univ Clermont Ferrand, Clermont Ferrand, France.
[Aad, G.; Alio, L.; Ayoub, M. K.; Barbero, M.; Bassalat, A.; Beau, T.; Becot, C.; Binct, S.; Bomben, M.; Boumediene, D.; Bourdarios, C.; Busato, E.; Calderini, G.; Calvet, D.; Calvet, S.; Chen, L.; Coadou, Y.; Crescioli, F.; De Cecco, S.; De Regie, J. B. De Vivie; Delgove, D.; Demilly, A.; Derue, F.; Diaconu, C.; Diglio, S.; Djama, F.; Donini, J.; Dubreuil, E.; Ducu, O. A.; Duflot, L.; Escalier, M.; Fayard, L.; Feligioni, L.; Fournier, D.; Francavilla, P.; Gao, J.; Gilles, G.; Gkougkousis, E. L.; Gris, Ph.; Grivaz, J. -F.; Guillemin, T.; Hallewell, G. D.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Hubaut, F.; Iconomidou-Fayard, L.; Kado, M.; Kahn, S. J.; Knoops, E. B. F. G.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Le Guirriec, E.; Lefebvre, G.; Li, Y.; Liao, H.; Liu, J.; Liu, K.; Lounis, A.; Madaffari, D.; Madar, R.; Makovec, N.; Malaescu, B.; Marchiori, G.; Mochizuki, K.; Monnier, E.; Morange, N.; Muanza, S.; Nagai, Y.; Nagy, E.; Nellist, C.; Nikolic-Audit, I.; Ocariz, J.; Pallin, D.; Pandini, C. E.; Pires, S.; Poggioli, L.; Pralavorio, P.; Puzo, P.; Renaud, A.; Ridel, M.; Saez, S. M. Romano; Roos, L.; Rousseau, D.; Rozanov, A.; Rybkin, G.; Santoni, C.; Schaffer, A. C.; Scifo, E.; Serin, L.; Serre, T.; Simion, S.; Simon, D.; Talby, M.; Tanaka, R.; Theveneaux-Pelzer, T.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Trincaz-Duvoid, S.; Vacavant, L.; Vannucci, F.; Varouchas, D.; Vazeille, F.; Zerwas, D.; Zhang, Z.; Zhao, Y.] CNRS IN2P3, Clermont Ferrand, France.
[Alkire, S. P.; Altheimer, A.; Andeen, T.; Angerami, A.; Bain, T.; Brooijmans, G.; Cole, B.; Hu, D.; Hughes, E. W.; Iordanidou, K.; Klein, M. H.; Mohapatra, S.; Nikiforou, N.; Parsons, J. A.; Smith, M. N. K.; Smith, R. W.; Thompson, E. N.; Tuts, P. M.; Zhou, L.] Columbia Univ, Nevis Lab, Irvington, NY USA.
[Alonso, A.; Dam, M.; Galster, G.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Joergensen, M. D.; Loevschall-Jensen, A. E.; Monk, J.; Mortensen, S. S.; Pedersen, L. E.; Petersen, T. C.; Pingel, A.; Thomsen, L. A.; Wiglesworth, C.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
[Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Lab Nazl Frascati, INFN Grp Collegato Cosenza, I-87036 Arcavacata Di Rende, Italy.
[Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy.
[Adamczyk, L.; Bold, T.; Dabrowski, W.; Dyndal, M.; Grabowska-Bold, I.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Przybycien, M.; Zemla, A.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland.
[Palka, M.; Richter-Was, E.] Jagiellonian Univ, Marian Smoluchowski Inst Phys, Krakow, Poland.
[Banas, E.; de Renstrom, P. A. Bruckman; Chwastowski, J. J.; Derendarz, D.; Godlewski, J.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa; Olszewski, A.; Olszowska, J.; Stanecka, E.; Staszewski, R.; Trzebinski, M.; Trzupek, A.; Wolter, M. W.; Wosiek, B. K.; Wozniak, K. W.; Zabinski, B.] Polish Acad Sci, Inst Nucl Phys, Krakow, Poland.
[Cao, T.; Firan, A.; Hetherly, J. W.; Kama, S.; Kehoe, R.; Sekula, S. J.; Stroynowski, R.; Turvey, A. J.; Varo, T.; Wang, H.; Ye, J.; Zhao, X.; Zhou, L.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.
[Izen, J. M.; Leyton, M.; Meirose, B.; Namasivayam, H.; Reeves, K.] Univ Texas Dallas, Dept Phys, Richardson, TX 75083 USA.
[Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Hamburg, Germany.
[Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Zeuthen, Germany.
[Burmeister, I.; Erdmann, J.; Esch, H.; Goessling, C.; Homann, M.; Jentzsch, J.; Jung, C. A.; Klingenberg, R.; Kroeninger, K.] Tech Univ Dortmund, Inst Expt Phys 4, D-44221 Dortmund, Germany.
[Anger, P.; Duschinger, D.; Friedrich, F.; Grohs, J. P.; Gumpert, C.; Gutschow, C.; Hauswald, L.; Kobel, M.; Morgenstern, M.; Novgorodova, O.; Rudolph, C.; Sapronov, A.; Siegert, F.; Socher, F.; Straessner, A.; Vest, A.] Tech Univ Dortmund, Inst Kern & Teilchenphys, D-44221 Dortmund, Germany.
[Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Cerio, B. C.; Goshaw, A. T.; Kajomovitz, E.; Kotwal, A.; Kruse, M. C.; Li, L.; Li, S.; Liu, M.; Oh, S. H.; Zhou, C.] Duke Univ, Dept Phys, Durham, NC 27706 USA.
[Bhimji, W.; Bristow, T. M.; Clark, P. J.; Dias, F. A.; Edwards, N. C.; Gao, Y.; Walls, F. M. Garay; Glaysher, P. C. F.; Harrington, R. D.; Leonidopoulos, C.; Martin, V. J.; Mills, C.; O'Brien, B. J.; Pino, S. A. Olivares; Proissl, M.; Selbach, K. E.; Smart, B. H.; Washbrook, A.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland.
[Antonelli, M.; Beretta, M.; Bilokon, H.; Chiarella, V.; Curatolo, M.; Di Nardo, R.; Esposito, B.; Gatti, C.; Giromini, P.; Laurelli, P.; Maccarrone, G.; Mancini, G.; Sansoni, A.; Testa, M.; Vilucchi, E.] INFN Lab Nazl Frascati, Frascati, Italy.
[Amoroso, S.; Arnold, H.; Betancourt, C.; Boehler, M.; Bruneliere, R.; Buehrer, F.; Buescher, D.; Coniavitis, E.; Consorti, V.; Dang, N. P.; Dao, V.; Di Simone, A.; Flechl, M.; Giuliani, C.; Herten, G.; Jakobs, K.; Javurek, T.; Jenni, P.; Kiss, F.; Koeneke, K.; Kopp, A. K.; Kuehn, S.; Lai, S.; Landgraf, U.; Mahboubi, K.; Mohr, W.; Pagacova, M.; Parzefall, U.; Ronzani, M.; Rosbach, K.; Ruehr, F.; Rurikova, Z.; Ruthmann, N.; Schillo, C.; Schmidt, E.; Schumacher, M.; Sommer, P.; Sundermann, J. E.; Temming, K. K.; Tsiskaridze, V.; Ungaro, F. C.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Zhang, L.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, D-79106 Freiburg, Germany.
[Ancu, L. S.; Barone, G.; Bell, W. H.; Noccioli, E. Benhar; De Mendizabal, J. Bilbao; Clark, A.; Delitzsch, C. M.; della Volpe, D.; Doglioni, C.; Ferrere, D.; Gadomski, S.; Golling, T.; Gonzalez-Sevilla, S.; Gramling, J.; Guescini, F.; Iacobucci, G.; Katre, A.; La Rosa, A.; Mermod, P.; Miucci, A.; Muenstermann, D.; Paolozzi, L.; Picazio, A.; Ristic, B.; Tykhonov, A.; Vallecorsa, S.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland.
[Barberis, D.; Darbo, G.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gemme, C.; Guido, E.; Morettini, P.; Osculati, B.; Parodi, F.; Passaggio, S.; Rossi, L. P.; Sannino, M.; Schiavi, C.] Univ Genoa, INFN Sez Genova, Genoa, Italy.
[Barberis, D.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Guido, E.; Osculati, B.; Parodi, F.; Sannino, M.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy.
[Jejelava, J.; Tskhadadze, E. G.] Iv Javakhishvili Tbilisi State Univ, E Andronikashvili Inst Phys, Tbilisi, Rep of Georgia.
[Djobava, T.; Durglishvili, A.; Khubua, J.; Mosidze, M.] Tbilisi State Univ, Inst High Energy Phys, Tbilisi, Rep of Georgia.
[Dueren, M.; Kreutzfeldt, K.; Stenzel, H.] Univ Giessen, Inst Phys 2, Giessen, Germany.
[Bates, R. L.; Britton, D.; Buckley, A. G.; Bussey, P.; Buttar, C. M.; Buzatu, A.; Cinca, D.; D'Auria, S.; Doyle, A. T.; Ferrando, J.; de Lima, D. E. Ferreira; Gul, U.; Ortiz, N. G. Gutierrez; Kar, D.; Knue, A.; Morton, A.; Mullen, P.; O'Shea, V.; Barrera, C. Oropeza; Owen, M.; Pollard, C. S.; Qin, G.; Ravenscroft, T.; Robson, A.; St Denis, R. D.; Stewart, G. A.; Thompson, A. S.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland.
[Bindi, M.; Blumenschein, U.; Brandt, G.; Drechsler, E.; George, M.; Graber, L.; Grosse-Knetter, J.; Hamer, M.; Kareem, M. J.; Kawamura, G.; Lemmer, B.; Magradze, E.; Mantoani, M.; Mchedlidze, G.; Llacer, M. Moreno; Musheghyan, H.; Nackenhorst, O.; Nada, J.; Quadt, A.; Rieger, J.; Schorlemmer, A. L. S.; Shabalina, E.; Stolte, P.; Weingarten, J.; Zinonos, Z.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Albrand, S.; Brown, J.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Gabaldon, C.; Genest, M. H.; Hostachy, J-Y.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Monini, C.; Stark, J.; Trocme, B.; Wu, M.] Univ Grenoble Alpes, Lab Phys Subatom & Cosmol, CNRS IN2P3, Grenoble, France.
[McFarlane, K. W.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[da Costa, J. Barreiro Guimaraes; Catastini, P.; Clark, B. L.; Franklin, M.; Huth, J.; Ippolito, V.; Mateos, D. Lopez; Mercurio, K. M.; Morii, M.; Skottowe, H. P.; Spearman, W. R.; Sun, S.; Tolley, E.; Yen, A. L.; Zambito, S.] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA.
[Andrei, V.; Baas, A. E.; Brandt, O.; Davygora, Y.; Djuvsland, J. I.; Dunford, M.; Geisler, M. P.; Hanke, P.; Jongmanns, J.; Kluge, E. -E.; Lang, V. S.; Meier, K.; Scharf, V.; Schutz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany.
[Anders, C. F.; Giulini, M.; Lisovyi, M.; Schaetzel, S.; Schmitt, S.; Schoening, A.; Sosa, D.] Heidelberg Univ, Inst Phys, Heidelberg, Germany.
[Colombo, T.; Kretz, M.; Kugel, A.] Heidelberg Univ, ZITI Inst Tech Informat, Mannheim, Germany.
[Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan.
[Bortolotto, V.; Castillo, L. R. Flores] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China.
[Bortolotto, V.] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China.
[Bortolotto, V.; Prokofiev, K.] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China.
[Choi, K.; Dattagupta, A.; Evans, H.; Gagnon, P.; Lammers, S.; Martinez, N. Lorenzo; Luehring, F.; Ogren, H.; Penwell, J.; Weinert, B.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA.
[Jansky, R. W.; Jussel, P.; Kneringer, E.; Lukas, W.; Ritsch, E.; Usanova, A.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria.
[Mallik, U.; Mandrysch, R.; Zaidan, R.] Univ Iowa, Iowa City, IA USA.
[Chen, C.; Cochran, J.; De Lorenzi, F.; Krumnack, N.; Pluth, D.; Prell, S.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA.
[Ahmadov, F.; Aleksandrov, I. N.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Gostkin, M. I.; Huseynov, N.; Javadov, N.; Karpov, S. N.; Karpova, Z. M.; Kazarinov, M. Y.; Khramov, E.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Minashvili, I. A.; Mineev, M.; Peshekhonov, V. D.; Plotnikova, E.; Potrap, I. N.; Pozdnyakov, V.; Rusakovich, N. A.; Sadykov, R.; Sapronov, A.; Shiyakova, M.; Sisakyan, A. N.; Soloshenko, A.; Vinogradov, V. B.; Yeletskikh, I.; Zhemchugov, A.; Zimine, N. I.] Joint Inst Nucl Res Dubna, Joint Inst Nucl Res, Dubna, Russia.
[Amako, K.; Aoki, M.; Arai, Y.; Ikegami, Y.; Ikeno, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Kono, T.; Makida, Y.; Nagano, K.; Nakamura, K.; Nozaki, M.; Odaka, S.; Sasaki, O.; Suzuki, S.; Suzuki, Y.; Takubo, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan.
[Chen, Y.; Hasegawa, M.; Inamaru, Y.; Kishimoto, T.; Kurashige, H.; Kurumida, R.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan.
[Ishino, M.; Kunigo, T.; Sumida, T.; Tashiro, T.] Kyoto Univ, Fac Sci, Kyoto, Japan.
[Takashima, R.] Kyoto Univ, Kyoto 612, Japan.
[Kawagoe, K.; Oda, S.; Otono, H.; Tojo, J.] Kyushu Univ, Dept Phys, Fukuoka 812, Japan.
[Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Univ Nacl La Plata, Inst Fis La Plata, RA-1900 La Plata, Buenos Aires, Argentina.
[Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina.
[Barton, A. E.; Beattie, M. D.; Borissov, G.; Bouhova-Thacker, E. V.; Dearnaley, W. J.; Fox, H.; Grimm, K.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Maddocks, H. J.; Skinner, M. B.; Smizanska, M.; Walder, J.; Wharton, A. M.] Univ Lancaster, Dept Phys, Lancaster, England.
[Chiodini, G.; Gorini, E.; Primavera, M.; Spagnolo, S.; Ventura, A.] Univ Salento, INFN Sez Lecce, Lecce, Italy.
[Gorini, E.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Matemat & Fis, Lecce, Italy.
[Affolder, A. A.; Allport, P. P.; Anders, J. K.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Gwilliam, C. B.; Hayward, H. S.; Jackson, M.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kretzschmar, J.; Laycock, P.; Lehan, A.; Maxfield, S. J.; Mehta, A.; Readioff, N. P.; Schnellbach, Y. J.; Vossebeld, J. H.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England.
[Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia.
[Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Univ Ljubljana, Ljubljana, Slovenia.
[Alpigiani, C.; Bevan, A. J.; Bona, M.; Bret, M. Cano; Cerrito, L.; Fletcher, G.; Goddard, J. R.; Hays, J. M.; Hickling, R.; Landon, M. P. J.; Lloyd, S. L.; Morris, J. D.; Nooney, T.; Piccaro, E.; Rizvi, E.; Sandbach, R. L.; Snidero, G.; Castanheira, M. Teixeira Dias] Queen Mary Univ London, Sch Phys & Astron, London, England.
[Berry, T.; Blanco, J. E.; Boisvert, V.; Brooks, T.; Connelly, I. A.; Cowan, G.; Duguid, L.; Giannelli, M. Faucci; George, S.; Gibson, S. M.; Kempster, J. J.; Vazquez, J. G. Panduro; Pastore, Fr.; Savage, G.; Sowden, B. C.; Spano, F.; Teixeira-Dias, P.; Thomas-Wilsker, J.] Royal Holloway Univ London, Dept Phys, Surrey, England.
[Bieniek, S. P.; Butterworth, J. M.; Campanelli, M.; Casadei, D.; Chislett, R. T.; Christodoulou, V.; Cooper, B. D.; Davison, P.; Falla, R. J.; Freeborn, D.; Gregersen, K.; Hesketh, G. G.; Jansen, E.; Jiggins, S.; Konstantinidis, N.; Korn, A.; Kucuk, H.; Lambourne, L.; Leney, K. J. C.; Martyniuk, A. C.; Mcfayden, J. A.; Nurse, E.; Ochoa, I.; Richter, S.; Scanlon, T.; Sherwood, P.; Simmons, B.; Wardrope, D. R.; Waugh, B. M.] UCL, Dept Phys & Astron, London, England.
[Greenwood, Z. D.; Grossi, G. C.; Jana, D. K.; Sawyer, L.; Subramaniam, R.] Louisiana Tech Univ, Ruston, LA 71270 USA.
[Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France.
[Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] Univ Paris Diderot, Paris, France.
[Akesson, T. P. A.; Bocchetta, S. S.; Bryngemark, L.; Floderus, A.; Hawkins, A. D.; Hedberg, V.; Ivarsson, J.; Jarlskog, G.; Lytken, E.; Mjoernmark, J. U.; Smirnova, O.; Viazlo, O.] Lund Univ, Fys Inst, Lund, Sweden.
[Arnal, V.; Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Llorente Merino, J.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C 15, Madrid, Spain.
[Becker, M.; Bertella, C.; Blum, W.; Buescher, V.; Caputo, R.; Caudron, J.; Ellinghaus, F.; Endner, O. C.; Ertel, E.; Fiedler, F.; Torregrosa, E. Fullana; Heck, T.; Hohlfeld, M.; Huelsing, T. A.; Karnevskiy, M.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lin, T. H.; Masetti, L.; Mattmann, J.; Meyer, C.; Moritz, S.; Poettgen, R.; Rave, S.; Sander, H. G.; Schaeffer, J.; Schaefer, U.; Schmitt, C.; Schott, M.; Schroeder, C.; Schuh, N.; Simioni, E.; Tapprogge, S.; Urrejola, P.; Valderanis, C.; Wollstadt, S. J.; Zimmermann, C.; Zinser, M.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55122 Mainz, Germany.
[Balli, F.; Barnes, S. L.; Cox, B. E.; Da Via, C.; Forti, A.; Ponce, J. M. Iturbe; Joshi, K. D.; Keoshkerian, H.; Klinger, J. A.; Loebinger, F. K.; Marsden, S. P.; Masik, J.; Neep, T. J.; Oh, A.; Ospanov, R.; Pater, J. R.; Peters, R. F. Y.; Pilkington, A. D.; Price, D.; Qin, Y.; Queitsch-Maitland, M.; Robinson, J. E. M.; Schwanenberger, C.; Shaw, S. M.; Thompson, R. J.; Tomlinson, L.; Watts, S.; Webb, S.; Woudstra, M. J.; Wyatt, T. R.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England.
[Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France.
[Bellomo, M.; Bernard, N. R.; Brau, B.; Dallapiccola, C.; Daya-Ishmukhametova, R. K.; Moyse, E. J. W.; Pais, P.; Pueschel, E.; Ventura, D.; Willocq, S.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA.
[Belanger-Champagne, C.; Chapleau, B.; Chuinard, A. J.; Corriveau, F.; Keyes, R. A.; Mantifel, R.; Prince, S.; Robertson, S. H.; Robichaud-Veronneau, A.; Stockton, M. C.; Stoebe, M.; Vachon, B.; Schroeder, T. Vazquez; Wang, K.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada.
[Barberio, E. L.; Brennan, A. J.; Dawe, E.; Jennens, D.; Kubota, T.; Milesi, M.; Hanninger, G. Nunes; Nuti, F.; Rados, P.; Spiller, L. A.; Tan, K. G.; Taylor, G. N.; Urquijo, P.; Volpi, M.; Zanzi, D.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.
[Amidei, D.; Chelstowska, M. A.; Cheng, H. C.; Dai, T.; Diehl, E. B.; Edgar, R. C.; Feng, H.; Ferretti, C.; Fleischmann, P.; Goldfarb, S.; Hu, X.; Levin, D.; Long, J. D.; Lu, N.; Mc Kee, S. P.; McCarn, A.; Neal, H. A.; Qian, J.; Schwarz, T. A.; Searcy, J.; Sekhon, K.; Thun, R. P.; Wilson, A.; Wu, Y.; Yu, J. M.; Zhang, D.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Arabidze, G.; Brock, R.; Chegwidden, A.; Fisher, W. C.; Halladjian, G.; Hauser, R.; Hayden, D.; Huston, J.; Linnemann, J. T.; Martin, B.; Pope, B. G.; Schoenrock, B. D.; Schwienhorst, R.; Ta, D.; Tollefson, K.; True, P.; Willis, C.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Alimonti, G.; Andreazza, A.; Besana, M. I.; Carminati, L.; Cavalli, D.; Consonni, S. M.; Costa, G.; Fanti, M.; Giugni, D.; Lari, T.; Mandelli, L.; Mazza, S. M.; Meroni, C.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Shojaii, S.; Simoniello, R.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Perez, M. Villaplana] Univ Milan, INFN Sez Milano, Milan, Italy.
[Andreazza, A.; Carminati, L.; Consonni, S. M.; Fanti, M.; Mazza, S. M.; Perini, L.; Pizio, C.; Ragusa, F.; Shojaii, S.; Simoniello, R.; Turra, R.; Perez, M. Villaplana] Univ Milan, Dipartimento Fis, Milan, Italy.
[Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus.
[Hrynevich, A.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus.
[Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[Arguin, J-F.; Azuelos, G.; Dallaire, F.; Gauthier, L.; Leroy, C.; Rezvani, R.; Saadi, D. Shoaleh; Soueid, P.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada.
[Akimov, A. V.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.; Zhukov, K.] Acad Sci, PN Lebedev Phys Inst, Moscow, Russia.
[Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, Li.] Inst Theoret & Expt Phys ITEP, Moscow, Russia.
[Antonov, A.; Belotskiy, K.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Krasnopevtsev, D.; Romaniouk, A.; Shulga, E.; Smirnov, S. Yu.; Smirnov, Y.; Soldatov, E. Yu.; Timoshenko, S.; Vorobev, K.] Natl Res Nucl Univ MEPhI, Moscow, Russia.
[Boldyrev, A. S.; Gladilin, L. K.; Kramarenko, V. A.; Maevskiy, A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia.
[Adomeit, S.; Becker, S.; Bender, M.; Biebel, O.; Bock, C.; Bortfeldt, J.; Calfayan, P.; Chow, B. K. B.; Duckeck, G.; Elmsheuser, J.; Hertenberger, R.; Hoenig, F.; Legger, F.; Lorenz, J.; Loesel, P. J.; Maier, T.; Mann, A.; Mehlhase, S.; Meineck, C.; Mitrevski, J.; Mueller, R. S. P.; Nunnemann, T.; Rauscher, F.; Ruschke, A.; Sanders, M. P.; Schaile, D.; Unverdorben, C.; Vladoiu, D.; Walker, R.; Wittkowski, J.] Univ Munich, Fak Phys, Munich, Germany.
[Barillari, T.; Bethke, S.; Bronner, J.; Compostella, G.; Cortiana, G.; Ecker, K. M.; Flowerdew, M. J.; Goblirsch-Kolb, M.; Ince, T.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kroha, H.; Macchiolo, A.; Maier, A. A.; Manfredini, A.; Menke, S.; Mueller, F.; Nagel, M.; Nisius, R.; Nowak, S.; Oberlack, H.; Pahl, C.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Schwegler, Ph.; Sforza, F.; Spettel, F.; Stern, S.; Stonjek, S.; Terzo, S.; von der Schmitt, H.; Wildauer, A.] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany.
Nagasaki Inst Appl Sci, Nagasaki, Japan.
[Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan.
[Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648601, Japan.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Carlino, G.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; Di Donato, C.; Doria, A.; Izzo, V.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.; Zurzolo, G.] Univ Naples Federico II, INFN Sez Napoli, Naples, Italy.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Di Donato, C.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Zurzolo, G.] Univ Naples Federico II, Dipartimento Fis, Naples, Italy.
[Gorelov, I.; Hoeferkamp, M. R.; Seidel, S. C.; Toms, K.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA.
[Besjes, G. J.; Caron, S.; Croft, V.; De Groot, N.; Filthaut, F.; Galea, C.; Koenig, A. C.; Nektarijevic, S.; Salvucci, A.; Strubig, A.] Radboud Univ Nijmegen, Nikhef, Inst Math Astrophys & Particle Phys, NL-6525 ED Nijmegen, Netherlands.
[Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedtl, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; Van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands.
[Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedtl, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; Van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Univ Amsterdam, Amsterdam, Netherlands.
[Adelman, J.; Burghgrave, B.; Chakraborty, D.; Cole, S.; Suhr, C.; Yurkewicz, A.] Univ Illinois, Dept Phys, De Kalb, IL USA.
[Anisenkov, A. V.; Bobrovnikov, V. S.; Bogdanchikov, A. G.; Buzykaev, R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Malyshev, V. M.; Maslennikov, A. L.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] SB RAS, Budker Inst Nucl Phys, Novosibirsk, Russia.
[Bernius, C.; Cranmer, K.; Haas, A.; Heinrich, L.; van Huysduynen, L. Hooft; Kaplan, B.; Karthik, K.; Konoplich, R.; Kreiss, S.; Mincer, A. I.; Nemethy, P.; Neves, R. M.] NYU, Dept Phys, New York, NY 10003 USA.
[Beacham, J. B.; Gan, K. K.; Ishmukhametov, R.; Kagan, H.; Kass, R. D.; Looper, K. A.; Moss, J.; Nagarkar, A.; Pignotti, D. T.; Shrestha, S.; Tannenwald, B. B.] Ohio State Univ, Columbus, OH 43210 USA.
[Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan.
[Abbott, B.; Alhroob, M.; Bertsche, C.; Bertsche, D.; Gutierrez, P.; Hasib, A.; Norberg, S.; Pearson, B.; Saleem, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA.
[Bousson, N.; Haley, J.; Khanov, A.; Rizatdinova, F.; Sidorov, D.; Yu, J.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA.
[Chytka, L.; Hamal, P.; Hrabovsky, M.; Jeanty, L.; Kvita, J.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic.
[Brau, J. E.; Brost, E.; Hopkins, W. H.; Majewski, S.; Potter, C. T.; Ptacek, E.; Radloff, P.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.; Wanotayaroj, C.; Winklmeier, F.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA.
[Ayoub, M. K.; Bassalat, A.; Becot, C.; Binct, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] Univ Paris 11, LAL, Orsay, France.
[Endo, M.; Hanagaki, K.; Nomachi, M.; Okamura, W.; Sugaya, Y.; Teoh, J. J.; Yamaguchi, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan.
[Bugge, L.; Bugge, M. K.; Cameron, D.; Catmore, J. R.; Franconi, L.; Garonne, V.; Gjelsten, B. K.; Gramstad, E.; Morisbak, V.; Nilsen, J. K.; Ould-Saada, F.; Pajchel, K.; Pedersen, M.; Raddum, S.; Read, A. L.; Rohne, O.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway.
[Barr, A. J.; Becker, K.; Behr, J. K.; Beresford, L.; Cooper-Sarkar, A. M.; Ortuzar, M. Crispin; Dafinca, A.; Davies, E.; Frost, J. A.; Gallas, E. J.; Gupta, S.; Gwenlan, C.; Hall, D.; Hays, C. P.; Henderson, J.; Howard, J.; Huffman, T. B.; Issever, C.; Kalderon, C. W.; King, R. S. B.; Kogan, L. A.; Lewis, A.; Nagai, K.; Nickerson, R. B.; Pickering, M. A.; Ryder, N. C.; Sawyer, C.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Zhong, J.] Univ Oxford, Dept Phys, Oxford, England.
[Conta, C.; Dondero, P.; Ferrari, R.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Sapronov, A.; Vercesi, V.] Univ Pavia, INFN Sez Pavia, I-27100 Pavia, Italy.
[Conta, C.; Dondero, P.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy.
[Brendlinger, K.; Heim, S.; Hines, E.; Jackson, B.; Kroll, J.; Lipeles, E.; Machado Miguens, J.; Meyer, C.; Stahlman, J.; Thomson, E.; Tuna, A. N.; Vanguri, R.; Williams, H. H.; Yoshihara, K.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA.
[Basalaev, A.; Ezhilov, A.; Fedin, O. L.; Gratchev, V.; Levchenko, M.; Maleev, V. P.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Solovyev, V.] BP Konstantinov Petersburg Nucl Phys Inst, Kurchatov Inst, Natl Res Ctr, St Petersburg, Russia.
[Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Rada, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Univ Pisa, INFN Sez Pisa, Pisa, Italy.
[Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Rada, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy.
[Bianchi, R. M.; Boudreau, J.; Cleland, W.; Escobar, C.; Hong, T. M.; Mueller, J.; Sapp, K.; Su, J.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA.
[Aguilar-Saavedra, J. A.; Amor Dos Santos, S. P.; Amorim, A.; Araque, J. P.; Cantrill, R.; Carvalho, J.; Castro, N. F.; Muino, P. Conde; Da Cunha Sargedas De Sousa, M. J.; Fiolhais, M. C. N.; Galhardo, B.; Gomes, A.; Goncalo, R.; Jorge, P. M.; Lopes, L.; Maio, A.; Maneira, J.; Onofre, A.; Palma, A.; Pedro, R.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Tavares Delgado, A.; Veloso, F.; Wolters, H.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal.
[Amorim, A.; Muino, P. Conde; Da Cunha Sargedas De Sousa, M. J.; Gomes, A.; Jorge, P. M.; Machado Miguens, J.; Maio, A.; Maneira, J.; Palma, A.; Pedro, R.; Pina, J.; Tavares Delgado, A.] Univ Lisbon, Fac Ciencias, Lisbon, Portugal.
[Amor Dos Santos, S. P.; Carvalho, J.; Fiolhais, M. C. N.; Galhardo, B.; Veloso, F.; Wolters, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal.
[Gomes, A.; Maio, A.; Pina, J.; Saraiva, J. G.; Silva, J.] Univ Lisbon, Ctr Fis Nucl, Lisbon, Portugal.
[Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal.
[Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain.
[Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain.
Univ Nova Lisboa, Dept Fis, Caparica, Portugal.
Univ Nova Lisboa, Fac Ciencias & Tecnol, CEFITEC, Caparica, Portugal.
[Chudoba, J.; Havranek, M.; Hejbal, J.; Jakoubek, T.; Kepka, O.; Kupco, A.; Kus, V.; Lokajicek, M.; Lysak, R.; Marcisovsky, M.; Mikestikova, M.; Nemecek, S.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic.
[Augsten, K.; Caforio, D.; Gallus, P.; Guenther, J.; Jakubek, J.; Kohout, Z.; Myska, M.; Pospisil, S.; Seifert, F.; Simak, V.; Slavicek, T.; Smolek, K.; Solar, M.; Solc, J.; Sopczak, A.; Sopko, B.; Sopko, V.; Suk, M.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.; Vykydal, Z.; Zeman, M.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Balek, P.; Berta, P.; Cerny, K.; Chalupkova, I.; Davidek, T.; Dolejsi, J.; Dolezal, Z.; Faltova, J.; Kodys, P.; Kosek, T.; Leitner, R.; Pleskot, V.; Reznicek, P.; Rybar, M.; Scheirich, D.; Spousta, M.; Sykora, T.; Tas, P.; Todorova-Nova, S.; Valkar, S.; Vorobel, V.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic.
[Borisov, A.; Cheremushkina, E.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Golubkov, D.; Kamenshchikov, A.; Karyukhin, A. N.; Kozhin, A. S.; Minaenko, A. A.; Myagkov, A. G.; Nikolaenko, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Zaitsev, A. M.; Zenin, O.] State Res Ctr Inst High Energy Phys, Protvino, Russia.
[Adye, T.; Baines, J. T.; Barnett, B. M.; Burke, S.; Dewhurst, A.; Dopke, J.; Emeliyanov, D.; Gallop, B. J.; Gee, C. N. P.; Haywood, S. J.; Kirk, J.; Martin-Haugh, S.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Phillips, P. W.; Sankey, D. P. C.; Tyndel, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England.
[Anulli, F.; Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; De Pedis, D.; De Salvo, A.; Di Domenico, A.; Falciano, S.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Luminari, L.; Marzano, F.; Messina, A.; Monzani, S.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Vanadia, M.; Vari, R.; Veneziano, S.; Verducci, M.; Zanello, L.] Univ Roma La Sapienza, INFN Sez Roma, I-00185 Rome, Italy.
[Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; Di Domenico, A.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Messina, A.; Monzani, S.; Vanadia, M.; Verducci, M.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy.
[Aielli, G.; Camarri, P.; Cardarelli, R.; Di Ciaccio, A.; Iuppa, R.; Liberti, B.; Mazzaferro, L.; Salamon, A.; Santonico, R.] Univ Roma Tor Vergata, INFN Sez Roma Tor Vergata, Rome, Italy.
[Aielli, G.; Camarri, P.; Di Ciaccio, A.; Iuppa, R.; Mazzaferro, L.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy.
[Bacci, C.; Baroncelli, A.; Biglietti, M.; Ceradini, F.; Di Micco, B.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Stanescu, C.; Taccini, C.; Trovatelli, M.] Univ Roma Tre, INFN Sez Roma Tre, Rome, Italy.
[Bacci, C.; Ceradini, F.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Taccini, C.; Trovatelli, M.] Univ Roma Tre, Dipartimento Matemat & Fis, Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Hoummada, A.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco.
[Ghazlane, H.] Ctr Natl Energie Sci Techn Nucl, Rabat, Morocco.
[El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci Semlalia, LPHEA Marrakech, Amerchich, Marrakesh, Morocco.
[Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco.
[Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] LPTPM, Oujda, Morocco.
[El Moursli, R. Cherkaoui; Fassi, F.; Haddad, N.; Idrissi, Z.] Univ Mohammed V Agdal, Fac Sci, Rabat, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Blanchard, J. -B.; Boonekamp, M.; Calandri, A.; Chevalier, L.; Hoffmann, M. Dano; Deliot, F.; Etienvre, A. I.; Formica, A.; Giraud, P. F.; Da Costa, J. Goncalves Pinto Firmino; Guyot, C.; Hanna, R.; Hassani, S.; Kivernyk, O.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Maiani, C.; Mansoulie, B.; Meyer, J-P.; Nicolaidou, R.; Ouraou, A.; Protopapadaki, E.; Royon, C. R.; Saimpert, M.; Schoeffel, L.; Schunc, Ph.; Schwemling, Ph.; Schwindling, J.] CEA Saclay Commissariat Energie Atom & Energies A, DSM IRFU Inst Rech Lois Fondamentales Univers, F-91191 Gif Sur Yvette, France.
[Battaglia, M.; Debenedetti, C.; Grabas, H. M. X.; Grillo, A. A.; Kuhl, A.; Law, A. T.; Liang, Z.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Nielsen, J.; Reece, R.; Rose, P.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Blackburn, D.; Coccaro, A.; Goussiou, A. G.; Hsu, S. -C.; Lubatti, H. J.; Marx, M.; Rompotis, N.; Rosten, R.; Rothberg, J.; Russell, H. L.; De Bruin, P. H. Sales; Watts, G.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Anastopoulos, C.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Fletcher, G. T.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Kyriazopoulos, D.; Paredes, B. Lopez; Macdonald, C. M.; Miyagawa, P. S.; Paganis, E.; Parker, K. A.; Tovey, D. R.; Vickey, T.; Boeriu, O. E. Vickey] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England.
[Hasegawa, Y.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan.
[Atlay, N. B.; Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Ibragimov, I.; Ikematsu, K.; Rosenthal, O.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany.
[Buat, Q.; Horton, A. J.; O'Neil, D. C.; Pachal, K.; Stelzer, B.; Torres, H.; Van Nieuwkoop, J.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Barklow, T.; Bartoldus, R.; Bawa, H. S.; Black, J. E.; Cogan, J. G.; Fulsom, B. G.; Gao, Y. S.; Garelli, N.; Grenier, P.; Ilic, N.; Kagan, M.; Kocian, M.; Koi, T.; Malone, C.; Mount, R.; Nef, P. D.; Piacquadio, G.; Rubbo, F.; Salnikov, A.; Schwartzman, A.; Strauss, E.; Su, D.; Swiatlowski, M.; Tompkins, L.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA.
[Astalos, R.; Bartos, P.; Blazek, T.; Federic, P.; Plazak, L.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia.
[Antos, J.; Bruncko, D.; Kladiva, E.; Strizenec, P.; Urban, J.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia.
[Hamilton, A.; Meehan, S.] Univ Cape Town, Dept Phys, ZA-7925 Cape Town, South Africa.
[Aurousseau, M.; Castaneda-Miranda, E.; Connell, S. H.; Govender, N.; Lee, C. A.; Yacoob, S.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa.
[Bristow, K.; Hamity, G. N.; Hsu, C.; March, L.; Garcia, B. R. Mellado; Ruan, X.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa.
[Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Bohm, C.; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Pucinski, P.; Rossetti, V.; Shcherbakova, A.; Silverstein, S. B.; Sjoelin, J.; Strandberg, S.; Tyinadia, M.; Ughetto, M.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.
[Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Pucinski, P.; Rossetti, V.; Shcherbakova, A.; Sjoelin, J.; Strandberg, S.; Tyinadia, M.; Ughetto, M.] Oskar Klein Ctr, Stockholm, Sweden.
[Lund-Jensen, B.; Morley, A. K.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden.
[Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA.
[Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Asquith, L.; Cerri, A.; Barajas, C. A. Chavez; De Sanctis, U.; De Santo, A.; Grout, Z. J.; Potter, C. J.; Salvatore, F.; Castillo, I. Santoyo; Shehu, C. Y.; Suruliz, K.; Sutton, M. R.; Vivarelli, I.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England.
[Black, C. W.; Cuthbert, C.; Finelli, K. D.; Jeng, G. -Y.; Limosani, A.; Patel, N. D.; Saavedra, A. F.; Scarcella, M.; Varvell, K. E.; Watson, I. J.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia.
[Abdallah, J.; Chu, M. L.; Hou, S.; Hsu, P. J.; Jamin, D. O.; Lee, S. C.; Lin, S. C.; Liu, B.; Liu, D.; Lo Sterzo, F.; Mazini, R.; Shi, L.; Soh, D. A.; Teng, P. K.; Wang, S. M.; Yang, Y.] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Abreu, H.; Cheatham, S.; Di Mattia, A.; Kopeliansky, R.; Musto, E.; Rozen, Y.; Tarem, S.; van Eldik, N.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel.
[Abramowicz, H.; Alexander, G.; Amram, N.; Ashkenazi, A.; Bella, G.; Benary, O.; Benhammou, Y.; Davies, M.; Etzion, E.; Gershon, A.; Gueta, O.; Munwes, Y.; Oren, Y.; Silver, Y.; Soffer, A.; Taiblum, N.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel.
[Bachas, K.; Gkaitatzis, S.; Gkialas, I.; Iliadis, D.; Kimura, N.; Kordas, K.; Kourkoumeli-Charalampidi, A.; Leisos, A.; Orlando, N.; Papageorgiou, K.; Hernandez, D. Paredes; Petridou, C.; Sampsonidis, D.; Tsionou, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece.
[Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan.
[Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Dept Phys, Tokyo 113, Japan.
[Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan.
[Hirose, M.; Ishitsuka, M.; Jinnouchi, O.; Kobayashi, D.; Kuze, M.; Motohashi, K.; Nagai, R.; Nobe, T.; Pettersson, N. E.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan.
[AbouZeid, O. S.; Batista, S. J.; Chau, C. C.; DeMarco, D. A.; Di Sipio, R.; Diamond, M.; Krieger, P.; Liblong, A.; Mc Goldrick, G.; Orr, R. S.; Polifka, R.; Rudolph, M. S.; Savard, P.; Schramm, S.; Sinervo, P.; Spreitzer, T.; Taenzer, J.; Teuscher, R. J.; Trischuk, W.; Veloce, L. M.; Venturi, N.] Univ Toronto, Dept Phys, Toronto, ON, Canada.
[Canepa, A.; Chekulaev, S. V.; Jovicevic, J.; Koutsman, A.; Oram, C. J.; Codina, E. Perez; Schneider, B.; Schouten, D.; Seuster, R.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Garcia, J. A. Benitez; Ramos, J. Manjarres; Palacino, G.; Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada.
[Hara, K.; Hayashi, T.; Kim, S. H.; Kiuchi, K.; Nagata, K.; Okawa, H.; Sato, K.; Ukegawa, F.] Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki, Japan.
[Beauchemin, P. H.; Meoni, E.; Rolli, S.; Sliwa, K.; Wetter, J.] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA.
[Losada, M.; Moreno, D.; Navarro, G.; Sandoval, C.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia.
[Corso-Radu, A.; Gerbaudo, D.; Lankford, A. J.; Mete, A. S.; Nelson, A.; Relich, M.; Scannicchio, D. A.; Schernau, M.; Shimmin, C. O.; Taffard, A.; Unel, G.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
[Acharya, B. S.; Barisonzi, M.; Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Quayle, W. B.; Serkin, L.; Shaw, K.; Soualah, R.; Truong, L.] INFN Grp Collegato Udine, Sez Trieste, Udine, Italy.
[Acharya, B. S.; Barisonzi, M.; Quayle, W. B.; Serkin, L.; Shaw, K.; Soualah, R.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy.
[Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Truong, L.] Univ Udine, Dipartimento Chim Fis & Ambiente, I-33100 Udine, Italy.
[Atkinson, M.; Basye, A.; Cavaliere, V.; Chang, P.; Errede, S.; Lie, K.; Liss, T. M.; Liu, L.; Neubauer, M. S.; Shang, R.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA.
[Kuutmann, E. Bergeaas; Brenner, R.; Ekelof, T.; Ellert, M.; Ferrari, A.; Isaksson, C.; Madsen, A.; Ohman, H.; Pelikan, D.; Rangel-Smith, C.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden.
[Alvarez Piqueras, D.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain.
[Alvarez Piqueras, D.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain.
[Alvarez Piqueras, D.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Dept Ingn Elect, Valencia, Spain.
[Alvarez Piqueras, D.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain.
[Alvarez Piqueras, D.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] CSIC, Valencia, Spain.
[Danninger, M.; Fedorko, W.; Gay, C.; Gecse, Z.; King, S. B.; Lister, A.; Swedish, S.] Univ British Columbia, Dept Phys, Vancouver, BC, Canada.
[Albert, J.; Berghaus, F.; David, C.; Elliot, A. A.; Fincke-Keeler, M.; Hamano, K.; Hill, E.; Keeler, R.; Kowalewski, R.; Kuwertz, E. S.; Kwan, T.; LeBlanc, M.; Lefebvre, M.; Marino, C. P.; McPherson, R. A.; Ouellette, E. A.; Pearce, J.; Sobie, R.; Venturi, M.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada.
[Beckingham, M.; Farrington, S. M.; Harrison, P. F.; Janus, M.; Jeske, C.; Jones, G.; Martin, T. A.; Murray, W. J.; Pianori, E.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Iizawa, T.; Mitani, T.; Sakurai, Y.; Yorita, K.] Waseda Univ, Tokyo, Japan.
[Bressler, S.; Citron, Z. H.; Duchovni, E.; Gross, E.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Pitt, M.; Roth, I.; Schaarschmidt, J.; Smakhtin, V.] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel.
[Banerjee, Sw; Hard, A. S.; Heng, Y.; Ji, H.; Ju, X.; Kashif, L.; Kruse, A.; Ming, Y.; Pan, Y. B.; Wang, F.; Wiedenmann, W.; Wu, S. L.; Yang, H.; Zhang, F.; Zobernig, G.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Kuger, F.; Redelbach, A.; Schreyer, M.; Sidiropoulou, O.; Siragusa, G.; Stroehmer, R.; Tam, J. Y. C.; Trefzger, T.; Weber, S. W.; Zibell, A.] Univ Wurzburg, Fak Phys & Astron, D-97070 Wurzburg, Germany.
[Bannoura, A. A. E.; Beermann, T. A.; Braun, H. M.; Cornelissen, T.; Duda, D.; Ernis, G.; Fischer, J.; Fleischmann, S.; Flick, T.; Gabizon, O.; Hamacher, K.; Harenberg, T.; Heim, T.; Hirschbuehl, D.; Kersten, S.; Kohlmann, S.; Maettig, P.; Neumann, M.; Pataraia, S.; Riegel, C. J.; Sandhoff, M.; Tepel, F.; Wagner, W.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany.
[Baker, O. K.; Cummings, J.; Demers, S.; Garberson, F.; Guest, D.; Henrichs, A.; Ideal, E.; Lagouri, T.; Leister, A. G.; Loginov, A.; Tipton, P.; Wang, X.] Yale Univ, Dept Phys, New Haven, CT USA.
[Hakobyan, H.; Vardanyan, G.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Rahal, G.] Inst Natl Phys Nucl & Phys Particules IN2P3, Ctr Calcul, Villeurbanne, France.
[Acharya, B. S.; Smirnova, L. N.] Kings Coll London, Dept Phys, London WC2R 2LS, England.
[Ahmadov, F.; Huseynov, N.; Javadov, N.] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan.
[Anisenkov, A. V.; Bawa, H. S.; Bobrovnikov, V. S.; Buzykaev, R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Maslennikov, A. L.; Maximov, D. A.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] Novosibirsk State Univ, Novosibirsk 630090, Russia.
[Azuelos, G.; Gingrich, D. M.; Oakhamd, F. G.; Savard, P.; Vetterli, M. C.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Gao, Y. S.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
[Beck, H. P.; Davies, E.; Smirnova, L. N.] Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.
[Castro, N. F.] Univ Porto, Fac Ciencias, Dept Fis & Astron, P-4100 Oporto, Portugal.
[Chelkov, G. A.] Tomsk State Univ, Tomsk 634050, Russia.
[Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy.
[Fedin, O. L.] St Petersburg State Polytech Univ, Dept Phys, St Petersburg, Russia.
[Greenwood, Z. D.; Sawyer, L.] Louisiana Tech Univ, Ruston, LA 71270 USA.
[Grinstein, S.; Juste Rozas, A.; Martinez, M.] ICREA, Barcelona, Spain.
[Hsu, P. J.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan.
[Ilchenko, Y.; Onyisi, P. U. E.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA.
[Jejelava, J.] Ilia State Univ, Inst Theoret Phys, Tbilisi, Rep of Georgia.
[Jenni, P.] CERN, Geneva, Switzerland.
[Khubua, J.] Georgian Tech Univ GTU, Tbilisi, Rep of Georgia.
[Kono, T.] Ochanomizu Univ, Ochadai Acad Prod, Tokyo 112, Japan.
[Konoplich, R.] Manhattan Coll, New York, NY USA.
[Li, B.] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Li, Y.] Univ Paris 11, LAL, Orsay, France.
[Lin, S. C.] Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei, Taiwan.
[Liu, B.] Shandong Univ, Sch Phys, Jinan, Shandong, Peoples R China.
[Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] Moscow Inst Phys & Technol, Dolgoprudnyi, Russia.
[Nessi, M.] Univ Geneva, Sect Phys, Geneva, Switzerland.
[Pinamonti, M.] Int Sch Adv Studies SISSA, Trieste, Italy.
[Purohit, M.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA.
[Shi, L.; Soh, D. A.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China.
[Turchikhin, S.] Moscow MV Lomonosov State Univ, Fac Phys, Moscow, Russia.
[Tikhomirov, V. O.] Natl Res Nucl Univ MEPhI, Moscow, Russia.
[Tompkins, L.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Toth, J.] Wigner Res Ctr Phys, Inst Particle & Nucl Phys, Budapest, Hungary.
[Xu, L.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Yacoob, S.] Univ KwaZulu Natal, Discipline Phys, Durban, South Africa.
[Yusuff, I.] Univ Malaya, Dept Phys, Kuala Lumpur 59100, Malaysia.
RP Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
RI Camarri, Paolo/M-7979-2015; Mindur, Bartosz/A-2253-2017; Gutierrez,
Phillip/C-1161-2011; Fabbri, Laura/H-3442-2012; Solodkov,
Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Peleganchuk,
Sergey/J-6722-2014; Li, Liang/O-1107-2015; Monzani, Simone/D-6328-2017;
Tikhomirov, Vladimir/M-6194-2015; Kuday, Sinan/C-8528-2014; Garcia, Jose
/H-6339-2015; Nechaeva, Polina/N-1148-2015; Vykydal, Zdenek/H-6426-2016;
Snesarev, Andrey/H-5090-2013; Kantserov, Vadim/M-9761-2015; La Rosa
Navarro, Jose Luis/K-4221-2016; Vanadia, Marco/K-5870-2016; Ippolito,
Valerio/L-1435-2016; Maneira, Jose/D-8486-2011; Prokoshin,
Fedor/E-2795-2012; Staroba, Pavel/G-8850-2014; Gavrilenko,
Igor/M-8260-2015; Gauzzi, Paolo/D-2615-2009; Maleev, Victor/R-4140-2016;
Tripiana, Martin/H-3404-2015; Mitsou, Vasiliki/D-1967-2009; Smirnova,
Oxana/A-4401-2013; Doyle, Anthony/C-5889-2009; Gonzalez de la Hoz,
Santiago/E-2494-2016; Guo, Jun/O-5202-2015; Aguilar Saavedra, Juan
Antonio/F-1256-2016; Leyton, Michael/G-2214-2016; Jones,
Roger/H-5578-2011; Boyko, Igor/J-3659-2013; Vranjes Milosavljevic,
Marija/F-9847-2016; Chekulaev, Sergey/O-1145-2015; SULIN,
VLADIMIR/N-2793-2015; Carvalho, Joao/M-4060-2013; White,
Ryan/E-2979-2015; Mashinistov, Ruslan/M-8356-2015; Livan,
Michele/D-7531-2012; Brooks, William/C-8636-2013; Di Domenico,
Antonio/G-6301-2011; Warburton, Andreas/N-8028-2013; spagnolo,
stefania/A-6359-2012; Buttar, Craig/D-3706-2011; Gorelov,
Igor/J-9010-2015; Gladilin, Leonid/B-5226-2011
OI Camarri, Paolo/0000-0002-5732-5645; Mindur, Bartosz/0000-0002-5511-2611;
Fabbri, Laura/0000-0002-4002-8353; Solodkov,
Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368;
Peleganchuk, Sergey/0000-0003-0907-7592; Li, Liang/0000-0001-6411-6107;
Monzani, Simone/0000-0002-0479-2207; Tikhomirov,
Vladimir/0000-0002-9634-0581; Kuday, Sinan/0000-0002-0116-5494; Vykydal,
Zdenek/0000-0003-2329-0672; Kantserov, Vadim/0000-0001-8255-416X;
Vanadia, Marco/0000-0003-2684-276X; Ippolito,
Valerio/0000-0001-5126-1620; Maneira, Jose/0000-0002-3222-2738;
Prokoshin, Fedor/0000-0001-6389-5399; Gauzzi, Paolo/0000-0003-4841-5822;
Mitsou, Vasiliki/0000-0002-1533-8886; Smirnova,
Oxana/0000-0003-2517-531X; Doyle, Anthony/0000-0001-6322-6195; Gonzalez
de la Hoz, Santiago/0000-0001-5304-5390; Guo, Jun/0000-0001-8125-9433;
Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Leyton,
Michael/0000-0002-0727-8107; Jones, Roger/0000-0002-6427-3513; Boyko,
Igor/0000-0002-3355-4662; Vranjes Milosavljevic,
Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495;
Carvalho, Joao/0000-0002-3015-7821; White, Ryan/0000-0003-3589-5900;
Mashinistov, Ruslan/0000-0001-7925-4676; Livan,
Michele/0000-0002-5877-0062; Brooks, William/0000-0001-6161-3570; Di
Domenico, Antonio/0000-0001-8078-2759; Warburton,
Andreas/0000-0002-2298-7315; spagnolo, stefania/0000-0001-7482-6348;
Gorelov, Igor/0000-0001-5570-0133; Gladilin, Leonid/0000-0001-9422-8636
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW, Austria;
ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC,
Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China;
MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech
Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark;
DNSRC, Denmark; Lundbeck Foundation, Denmark; EPLANET; ERC; NSRF;
European Union; IN2P3-CNRS, France; CEA-DSM/IRFU, France; GNSF, Georgia;
BMBF, Germany; DFG, Germany; HGF, Germany; MPG, Germany; AvH Foundation,
Germany; GSRT, Greece; NSRF, Greece; RGC, China; Hong Kong SAR, China;
ISF, Israel; MINERVA, Israel; GIF, Israel; I-CORE, Israel; Benoziyo
Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco;
FOM, Netherlands; NWO, Netherlands; BRF, Norway; RCN, Norway; MNiSW,
Poland; NCN, Poland; GRICES, Portugal; FCT, Portugal; MNE/IFA, Romania;
MES of Russia, Russian Federation; NRC KI, Russian Federation; JINR;
MSTD, Serbia; MSSR, Slovakia; ARRS, Slovenia; MIZ. S, Slovenia; DST/NRF,
South Africa; MINECO, Spain; SRC, Sweden; Wallenberg Foundation, Sweden;
SER, Switzerland; SNSF, Switzerland; Cantons of Bern and Geneva,
Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, United Kingdom; Royal
Society and Leverhulme Trust, United Kingdom; DOE, United States of
America; NSF, United States of America
FX We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC,
Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq
and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile;
CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and
VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark;
EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France;
GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and
NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and
Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST,
Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN,
Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and
NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and
MIZ. S, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and
Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva,
Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and
Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.
NR 122
TC 22
Z9 22
U1 10
U2 56
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD AUG 28
PY 2015
IS 8
AR 148
DI 10.1007/JHEP08(2015)148
PG 54
WC Physics, Particles & Fields
SC Physics
GA CU4WW
UT WOS:000363532500006
ER
PT J
AU Balaguru, K
Foltz, GR
Leung, LR
D' Asaro, E
Emanuel, KA
Liu, HL
Zedler, SE
AF Balaguru, Karthik
Foltz, Gregory R.
Leung, L. Ruby
D' Asaro, Eric
Emanuel, Kerry A.
Liu, Hailong
Zedler, Sarah E.
TI Dynamic Potential Intensity: An improved representation of the ocean's
impact on tropical cyclones
SO GEOPHYSICAL RESEARCH LETTERS
LA English
DT Article
ID SEA-SURFACE TEMPERATURE; HURRICANE INTENSITY; VARIABILITY; PACIFIC;
MODELS; INDEX; WIND; HEAT
AB To incorporate the effects of tropical cyclone (TC)-induced upper ocean mixing and sea surface temperature (SST) cooling on TC intensification, a vertical average of temperature down to a fixed depth was proposed as a replacement for SST within the framework of air-sea coupled Potential Intensity (PI). However, the depth to which TC-induced mixing penetrates may vary substantially with ocean stratification and storm state. To account for these effects, here we develop a "Dynamic Potential Intensity" (DPI) based on considerations of stratified fluid turbulence. For the Argo period 2004-2013 and the three major TC basins of the Northern Hemisphere, we show that the DPI explains 11-32% of the variance in TC intensification, compared to 0-16% using previous methods. The improvement obtained using the DPI is particularly large in the eastern Pacific where the thermocline is shallow and ocean stratification effects are strong.
C1 [Balaguru, Karthik] Pacific NW Natl Lab, Marine Sci Lab, Seattle, WA USA.
[Foltz, Gregory R.; Liu, Hailong] NOAA, Atlantic Oceanog & Meteorol Lab, Phys Oceanog Div, Miami, FL 33149 USA.
[Leung, L. Ruby] Pacific NW Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA.
[D' Asaro, Eric] Univ Washington, Appl Phys Lab, Seattle, WA 98105 USA.
[Emanuel, Kerry A.] MIT, Program Atmospheres Oceans & Climate, Cambridge, MA 02139 USA.
[Liu, Hailong] Univ Miami, Cooperat Inst Marine & Atmospher Studies, Miami, FL USA.
[Zedler, Sarah E.] Univ Texas Austin, Inst Geophys, Austin, TX USA.
RP Foltz, GR (reprint author), NOAA, Atlantic Oceanog & Meteorol Lab, Phys Oceanog Div, Miami, FL 33149 USA.
EM gregory.foltz@noaa.gov
RI Foltz, Gregory/B-8710-2011
OI Foltz, Gregory/0000-0003-0050-042X
FU Office of Science (BER), U.S. Department of Energy as part of the
Regional and Global Climate Modeling Program; DOE [DE-AC05-76RL01830]
FX K.B. and L.R.L. were supported by the Office of Science (BER), U.S.
Department of Energy as part of the Regional and Global Climate Modeling
Program. The Pacific Northwest National Laboratory is operated for DOE
by Battelle Memorial Institute under contract DE-AC05-76RL01830. G.F.
was supported by base funds to NOAA/AOML. All data and models used in
this study are freely available from the web addresses given in section
2 or from karthik.balaguru@pnnl.gov upon request.
NR 34
TC 5
Z9 5
U1 1
U2 9
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 0094-8276
EI 1944-8007
J9 GEOPHYS RES LETT
JI Geophys. Res. Lett.
PD AUG 28
PY 2015
VL 42
IS 16
BP 6739
EP 6746
DI 10.1002/2015GL064822
PG 8
WC Geosciences, Multidisciplinary
SC Geology
GA CU3FY
UT WOS:000363410800027
ER
PT J
AU Abdul-Jabbar, NM
Forrest, TR
Gronsky, R
Bourret-Courchesne, ED
Wirth, BD
AF Abdul-Jabbar, N. M.
Forrest, T. R.
Gronsky, R.
Bourret-Courchesne, E. D.
Wirth, B. D.
TI Effect of vacancies on the structure and properties of
Ga-2(Se0.33Te0.67)(3)
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID MODULATED STRUCTURE; X-RAY; GA2TE3; DEFECT; SEMICONDUCTORS; PLANES
AB Ga-2(Se0.33Te0.67)(3) belongs to a family of materials with large intrinsic vacancy concentrations that are being actively studied due to their potential for diverse applications that include thermoelectrics and phase-change memory. In this article, the Ga-2(Se0.33Te0.67)(3) structure is investigated via synchrotron x-ray diffraction, electron microscopy, and x-ray absorption experiments. Diffraction and microscopy measurements showed that the extent of vacancy ordering in Ga-2(Se0.33Te0.67)(3) is highly dependent on thermal annealing. It is posited that stoichiometric vacancies play a role in local atomic distortions in Ga,(Se0.33Te0.67)(3) (based on the fine structure signals in the collected x-ray absorption spectra). 'The effect of vacancy ordering on Ga-2(SeO0.33Te0.67)(3); material properties is also examined through band gap and Hall effect measurements, which reveal that the Ga-2(Se0.33Te0.67); band gap redshifts by approximate to 0.05 eV as the vacancies order and accompanied by gains in charge canner mobility. The results serve as an encouraging example of altering material properties via intrinsic structural rearrangement as opposed to extrinsic means, such as doping. (C) 2015 AIP Publishing LLC,
C1 [Abdul-Jabbar, N. M.; Wirth, B. D.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
[Abdul-Jabbar, N. M.; Bourret-Courchesne, E. D.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Abdul-Jabbar, N. M.] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA.
[Forrest, T. R.] European Synchrotron Radiat Facil, F-38043 Grenoble, France.
[Forrest, T. R.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Gronsky, R.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Wirth, B. D.] Univ Tennessee, Dept Nucl Engn, Knoxville, TN 37996 USA.
RP Abdul-Jabbar, NM (reprint author), Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
RI Wirth, Brian/O-4878-2015; Foundry, Molecular/G-9968-2014
OI Wirth, Brian/0000-0002-0395-0285;
FU Nuclear Nonproliferation International Safeguards Graduate Fellowship
Program - National Nuclear Security Administrations Next Generation
Safeguards Initiative (NGSI); U.S. Department of Energy/NNSA/NA22;
Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]; Office of
Science, Office of Basic Energy Sciences of the U.S. Department of
Energy [DE-AC02-05CH11231]; E.I. DuPont de Nemours and Co.; Dow Chemical
Company; Northwestern University; U.S. DOE [DE-AC02-06CH11357]
FX The authors would like to acknowledge P. N. Valdivia for useful
discussions and C. A. Ramsey and C. Schlepuetz for experimental
assistance. N.M.A. acknowledges support from the Nuclear
Nonproliferation International Safeguards Graduate Fellowship Program
sponsored by the National Nuclear Security Administrations Next
Generation Safeguards Initiative (NGSI). This work was supported by the
U.S. Department of Energy/NNSA/NA22 and carried out at the Lawrence
Berkeley National Laboratory under Contract No. DE-AC02-05CH11231.
Electron microscopy was performed at NCEM, which is supported by the
Office of Science, Office of Basic Energy Sciences of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231. A portion of
this work was performed at the DuPont-Northwestern-Dow Collaborative
Access Team (DND-CAT) located at Sector 5 of the Advanced Photon Source
(APS). DND-CAT is supported by E.I. DuPont de Nemours and Co., The Dow
Chemical Company and Northwestern University. Use of the APS, an Office
of Science User Facility operated for the U.S. Department of Energy
(DOE) Office of Science by Argonne National Laboratory, was supported by
the U.S. DOE under Contract No. DE-AC02-06CH11357. Portions of this
research were also carried out at the Stanford Synchrotron Radiation
Lightsource, a Directorate of SLAC National Accelerator Laboratory, and
an Office of Science User Facility operated for the U.S. Department of
Energy Office of Science by Stanford University.
NR 19
TC 1
Z9 1
U1 1
U2 7
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD AUG 28
PY 2015
VL 118
IS 8
AR 085707
DI 10.1063/1.4928812
PG 5
WC Physics, Applied
SC Physics
GA CQ5PU
UT WOS:000360658600054
ER
PT J
AU Bulusu, A
Singh, A
Wang, CY
Dindar, A
Fuentes-Hernandez, C
Kim, H
Cullen, D
Kippelen, B
Graham, S
AF Bulusu, A.
Singh, A.
Wang, C. Y.
Dindar, A.
Fuentes-Hernandez, C.
Kim, H.
Cullen, D.
Kippelen, B.
Graham, S.
TI Engineering the mechanical properties of ultrabarrier films grown by
atomic layer deposition for the encapsulation of printed electronics
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID LIGHT-EMITTING DEVICES; THIN-FILMS; POLYMER; RELIABILITY; PERMEATION;
ALUMINA
AB Direct deposition of barrier films by atomic layer deposition (ALD) onto printed electronics presents a promising method for packaging devices. Films made by ALD have been shown to possess desired ultrabarrier properties, but face challenges when directly grown onto surfaces with varying composition and topography. Challenges include differing nucleation and growth rates across the surface, stress concentrations from topography and coefficient of thermal expansion mismatch, elastic constant mismatch, and particle contamination that may impact the performance of the ALD barrier. In such cases, a polymer smoothing layer may be needed to coat the surface prior to ALD barrier film deposition. We present the impact of architecture on the performance of aluminum oxide (Al2O3)/hafnium oxide (HfO2) ALD nanolaminate barrier films deposited on fluorinated polymer layer using an optical calcium (Ca) test under damp heat. It is found that with increasing polymer thickness, the barrier films with residual tensile stress are prone to cracking resulting in rapid failure of the Ca sensor at 50 degrees C/85% relative humidity. Inserting a SiNx layer with residual compressive stress between the polymer and ALD layers is found to prevent cracking over a range of polymer thicknesses with more than 95% of the Ca sensor remaining after 500 h of testing. These results suggest that controlling mechanical properties and film architecture play an important role in the performance of direct deposited ALD barriers. (C) 2015 AIP Publishing LLC.
C1 [Bulusu, A.; Singh, A.; Kim, H.; Graham, S.] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA.
[Wang, C. Y.; Dindar, A.; Fuentes-Hernandez, C.; Kippelen, B.] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA.
[Wang, C. Y.; Dindar, A.; Fuentes-Hernandez, C.; Kippelen, B.] Ctr Organ Photon & Elect, Atlanta, GA 30332 USA.
[Cullen, D.; Graham, S.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Graham, S (reprint author), Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA.
EM sgraham@gatech.edu
RI Cullen, David/A-2918-2015;
OI Cullen, David/0000-0002-2593-7866; Bulusu, Anuradha/0000-0002-0302-5751
FU Department of Energy through the Bay Area Photovoltaic Consortium
[DE-EE0004946]; Semiconductor Research Corporation
FX This material is based upon work supported by the Department of Energy
through the Bay Area Photovoltaic Consortium under Award No.
DE-EE0004946 and by the Semiconductor Research Corporation.
NR 29
TC 6
Z9 6
U1 7
U2 45
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD AUG 28
PY 2015
VL 118
IS 8
AR 085501
DI 10.1063/1.4928855
PG 9
WC Physics, Applied
SC Physics
GA CQ5PU
UT WOS:000360658600046
ER
PT J
AU Glamazda, A
Choi, KY
Lemmens, P
Choi, WS
Jeen, H
Meyer, TL
Lee, HN
AF Glamazda, A.
Choi, K. -Y.
Lemmens, P.
Choi, Woo Seok
Jeen, Hyoungjeen
Meyer, Tricia L.
Lee, Ho Nyung
TI Structural instability of the CoO4 tetrahedral chain in SrCoO3-delta
thin films
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID RAMAN-SPECTROSCOPY; REDOX REACTIONS; STABILITY; PHONONS; SYSTEM
AB Raman scattering experiments together with detailed lattice dynamic calculations are performed to elucidate crystallographic and electronic peculiarities of SrCoO3-delta films. We observe that the 85 cm(-1) phonon mode involving the rotation of a CoO4 tetrahedron undergoes a huge hardening by 21 cm(-1) with decreasing temperature. In addition, new phonon modes appear at 651.5 and 697.6 cm(-1). The latter modes are attributed to the Jahn-Teller activated modes. Upon cooling from room temperature, all phonons exhibit an exponential-like increase of intensity with a characteristic energy of about 103-107 K. We attribute this phenomenon to an instability of the CoO4 tetrahedral chain structure, which constitutes a key ingredient to understand the electronic and structural properties of the brownmillerite SrCoO2.5. (C) 2015 AIP Publishing LLC.
C1 [Glamazda, A.; Choi, K. -Y.] Chung Ang Univ, Dept Phys, Seoul 156756, South Korea.
[Lemmens, P.] Tech Univ Carolo Wilhelmina Braunschweig, Inst Condensed Matter Phys, D-38106 Braunschweig, Germany.
[Lemmens, P.] TU Braunschweig, Lab Emerging Nanometrol, Braunschweig, Germany.
[Choi, Woo Seok] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea.
[Jeen, Hyoungjeen] Pusan Natl Univ, Dept Phys, Busan 609735, South Korea.
[Meyer, Tricia L.; Lee, Ho Nyung] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Glamazda, A (reprint author), Chung Ang Univ, Dept Phys, Seoul 156756, South Korea.
RI Choi, Woo Seok/G-8783-2014; Lee, Ho Nyung/K-2820-2012
OI Lee, Ho Nyung/0000-0002-2180-3975
FU Korea NRF [2009-0093817, 2012-046138]; Basic Science Research Program
through the National Research Foundation of Korea (NRF) - Ministry of
Science, ICT and future Planning [NRF-2014R1A2A2A01006478]; U.S.
Department of Energy, Office of Science, Basic Energy Sciences,
Materials Sciences and Engineering Division
FX A.G. and K.-Y.C. acknowledge financial support from Korea NRF Grant (No.
2009-0093817 and No. 2012-046138). W.S.C. was supported by Basic Science
Research Program through the National Research Foundation of Korea (NRF)
funded by the Ministry of Science, ICT and future Planning
(NRF-2014R1A2A2A01006478). P.L. thanks NTH-School "Contacts in
Nanosystems: Interactions, Control and Quantum Dynamics," the
Braunschweig International Graduate School of Metrology, and DFG-RTG
1953/1, Metrology for Complex Nanosystems. The work at ORNL was
supported by the U.S. Department of Energy, Office of Science, Basic
Energy Sciences, Materials Sciences and Engineering Division.
NR 24
TC 1
Z9 1
U1 5
U2 28
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD AUG 28
PY 2015
VL 118
IS 8
AR 085313
DI 10.1063/1.4929659
PG 7
WC Physics, Applied
SC Physics
GA CQ5PU
UT WOS:000360658600045
ER
PT J
AU Khodyuk, IV
Messina, SA
Hayden, TJ
Bourret, ED
Bizarri, GA
AF Khodyuk, I. V.
Messina, S. A.
Hayden, T. J.
Bourret, E. D.
Bizarri, G. A.
TI Optimization of scintillation performance via a combinatorial
multi-element co-doping strategy: Application to NaI:Tl
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID ENERGY-RESOLUTION; CRYSTALS; SOLUBILITY; EUROPIUM; CENTERS; NAI(TL);
OXIDES
AB A combinatorial approach where doped bulk scintillator materials can be rapidly optimized for their properties through concurrent extrinsic doping/co-doping strategies is presented. The concept that makes use of design of experiment, rapid growth, and evaluation techniques, and multivariable regression analysis, has been successfully applied to the engineering of NaI performance, a historical but mediocre performer in scintillation detection. Using this approach, we identified a three-element doping/co-doping strategy that significantly improves the material performance. The composition was uncovered by simultaneously screening for a beneficial co-dopant ion among the alkaline earth metal family and by optimizing its concentration and that of Tl+ and Eu2+ ions. The composition with the best performance was identified as 0.1% mol Tl+, 0.1% mol Eu2+, and 0.2% mol Ca2+. This formulation shows enhancement of energy resolution and light output at 662 keV, from 6.3 to 4.9%, and from 44 000 to 52 000 ph/MeV, respectively. The method, in addition to improving NaI performance, provides a versatile framework for rapidly unveiling complex and concealed correlations between material composition and performance, and should be broadly applicable to optimization of other material properties. (C) 2015 AIP Publishing LLC.
C1 [Khodyuk, I. V.; Messina, S. A.; Hayden, T. J.; Bourret, E. D.; Bizarri, G. A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Khodyuk, IV (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM ivkhodyuk@lbl.gov
OI Messina, Sara/0000-0001-5929-9455
FU U.S. Department of Homeland Security/DNDO; U.S. Department of
Energy/NNSA [NA22]; [AC02-05CH11231]
FX The authors would like to thank S. Hanrahan, D. Wilson, and J. Powell
for their technical and engineering support. Fruitful scientific
discussions with Dr. G. Gundiah, Dr. M. Gascon, Dr. E. Samulon, Dr. D.
Perrodin and Dr. S. Derenzo are highly appreciated. This work was
supported by the U.S. Department of Homeland Security/DNDO and the U.S.
Department of Energy/NNSA/NA22 and carried out at Lawrence Berkeley
National Laboratory under Contract no. AC02-05CH11231. This work does
not constitute an express or implied endorsement on the part of the
government.
NR 31
TC 3
Z9 3
U1 1
U2 10
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD AUG 28
PY 2015
VL 118
IS 8
AR 084901
DI 10.1063/1.4928771
PG 6
WC Physics, Applied
SC Physics
GA CQ5PU
UT WOS:000360658600028
ER
PT J
AU Muhlbacher, M
Bochkarev, AS
Mendez-Martin, F
Sartory, B
Chitu, L
Popov, MN
Puschnig, P
Spitaler, J
Ding, H
Schalk, N
Lu, J
Hultman, L
Mitterer, C
AF Muehlbacher, Marlene
Bochkarev, Anton S.
Mendez-Martin, Francisca
Sartory, Bernhard
Chitu, Livia
Popov, Maxim N.
Puschnig, Peter
Spitaler, Juergen
Ding, Hong
Schalk, Nina
Lu, Jun
Hultman, Lars
Mitterer, Christian
TI Cu diffusion in single-crystal and polycrystalline TiN barrier layers: A
high-resolution experimental study supported by first-principles
calculations
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID X-RAY-DIFFRACTION; TOTAL-ENERGY CALCULATIONS; ATOM-PROBE TOMOGRAPHY;
NITRIDE THIN-FILMS; WAVE BASIS-SET; TITANIUM NITRIDE; COPPER DIFFUSION;
HARD COATINGS; METALLIZATION; TEMPERATURE
AB Dense single-crystal and polycrystalline TiN/Cu stacks were prepared by unbalanced DC magnetron sputter deposition at a substrate temperature of 700 degrees C and a pulsed bias potential of -100 V. The microstructural variation was achieved by using two different substrate materials, MgO(001) and thermally oxidized Si(001), respectively. Subsequently, the stacks were subjected to isothermal annealing treatments at 900 degrees C for 1 h in high vacuum to induce the diffusion of Cu into the TiN. The performance of the TiN diffusion barrier layers was evaluated by cross-sectional transmission electron microscopy in combination with energy-dispersive X-ray spectrometry mapping and atom probe tomography. No Cu penetration was evident in the single-crystal stack up to annealing temperatures of 900 degrees C, due to the low density of line and planar defects in single- crystal TiN. However, at higher annealing temperatures when diffusion becomes more prominent, density-functional theory calculations predict a stoichiometry-dependent atomic diffusion mechanism of Cu in bulk TiN, with Cu diffusing on the N sublattice for the experimental N/Ti ratio. In comparison, localized diffusion of Cu along grain boundaries in the columnar polycrystalline TiN barriers was detected after the annealing treatment. The maximum observed diffusion length was approximately 30 nm, yielding a grain boundary diffusion coefficient of the order of 10(-16) cm(2) s(-1) at 900 degrees C. This is 10 to 100 times less than for comparable underdense polycrystalline TiN coatings deposited without external substrate heating or bias potential. The combined numerical and experimental approach presented in this paper enables the contrasting juxtaposition of diffusion phenomena and mechanisms in two TiN coatings, which differ from each other only in the presence of grain boundaries. (C) 2015 AIP Publishing LLC.
C1 [Muehlbacher, Marlene; Mendez-Martin, Francisca; Schalk, Nina; Mitterer, Christian] Univ Leoben, Dept Phys Met & Mat Testing, A-8700 Leoben, Austria.
[Muehlbacher, Marlene; Lu, Jun; Hultman, Lars] Linkoping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, S-58183 Linkoping, Sweden.
[Bochkarev, Anton S.; Sartory, Bernhard; Chitu, Livia; Popov, Maxim N.; Spitaler, Juergen] Mat Ctr Leoben Forsch GmbH, A-8700 Leoben, Austria.
[Bochkarev, Anton S.; Puschnig, Peter] Graz Univ, NAWI Graz, Inst Phys, A-8010 Graz, Austria.
[Ding, Hong] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Muhlbacher, M (reprint author), Univ Leoben, Dept Phys Met & Mat Testing, Franz Josef Str 18, A-8700 Leoben, Austria.
EM marlene.muehlbacher@unileoben.ac.at
RI Muhlbacher, Marlene/C-7090-2014; Bochkarev, Anton/L-8860-2013; Lu,
Jun/K-3321-2015; Mitterer, Christian/B-4491-2010; Puschnig,
Peter/C-9203-2011; Popov, Maxim/B-2613-2013; Sartory,
Bernhard/A-7431-2013; Chitu, Livia/A-7289-2013; Schalk,
Nina/A-7302-2013; Spitaler, Jurgen/B-2624-2013;
OI Muhlbacher, Marlene/0000-0001-7347-5371; Lu, Jun/0000-0003-2754-6962;
Mitterer, Christian/0000-0002-7768-7926; Puschnig,
Peter/0000-0002-8057-7795; Schalk, Nina/0000-0003-3312-1960; Spitaler,
Jurgen/0000-0002-5813-9166; Bochkarev, Anton/0000-0001-7229-5758
FU Swedish Research Council [2013-4018]; Knut and Alice Wallenberg
Foundation for the Electron Microscopy Laboratory at Linkoping
University; Austrian Federal Government from Bundesministerium fur
Verkehr, Innovation und Technologie and Bundesministerium fur
Wirtschaft, Familie und Jugend; Styrian and the Tyrolean Provincial
Government
FX Financial support by the Austrian Federal Government (in particular,
from Bundesministerium fur Verkehr, Innovation und Technologie and
Bundesministerium fur Wirtschaft, Familie und Jugend) represented by
Osterreichische Forschungsforderungsgesellschaft mbH and the Styrian and
the Tyrolean Provincial Government, represented by Steirische
Wirtschaftsforderungsgesellschaft mbH and Standortagentur Tirol, within
the framework of the COMET Funding Program is gratefully acknowledged.;
L.H. acknowledges support from the Swedish Research Council Project
Grant No. 2013-4018 and the Knut and Alice Wallenberg Foundation for the
Electron Microscopy Laboratory at Linkoping University operated by the
Thin Film Physics Division.
NR 69
TC 3
Z9 3
U1 5
U2 33
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD AUG 28
PY 2015
VL 118
IS 8
AR 085307
DI 10.1063/1.4929446
PG 11
WC Physics, Applied
SC Physics
GA CQ5PU
UT WOS:000360658600039
ER
PT J
AU Reardon-Robinson, ME
Osipiuk, J
Chang, CY
Wu, CG
Jooya, N
Joachimiak, A
Das, A
Ton-That, H
AF Reardon-Robinson, Melissa E.
Osipiuk, Jerzy
Chang, Chungyu
Wu, Chenggang
Jooya, Neda
Joachimiak, Andrzej
Das, Asis
Ton-That, Hung
TI A Disulfide Bond-forming Machine Is Linked to the Sortase-mediated Pilus
Assembly Pathway in the Gram-positive Bacterium Actinomyces oris
SO JOURNAL OF BIOLOGICAL CHEMISTRY
LA English
DT Article
DE actinobacteria; crystal structure; crystallography; disulfide;
secretion; Actinomyces; coaggregation; oxidative protein folding; pili;
sortase
ID FORMATION IN-VIVO; ORAL BIOFILM DEVELOPMENT;
CORYNEBACTERIUM-DIPHTHERIAE; MYCOBACTERIUM-TUBERCULOSIS;
CRYSTAL-STRUCTURE; PROTEIN; DSBA; IDENTIFICATION; ENZYME; COAGGREGATION
AB Background: Gram-positive bacteria secrete pilins through the Sec translocon in unfolded states. Results: Disruption of pilus disulfide bonds or genetic disruption of oxidoreductase-encoding genes mdbA and vkor abrogates pilus assembly in Actinomyces oris. Conclusion: MdbA and VKOR constitute a disulfide bond-forming machine in A. oris. Significance: Oxidative protein folding may be common in Actinobacteria and an attractive target for antimicrobials.
Export of cell surface pilins in Gram-positive bacteria likely occurs by the translocation of unfolded precursor polypeptides; however, how the unfolded pilins gain their native conformation is presently unknown. Here, we present physiological studies to demonstrate that the FimA pilin of Actinomyces oris contains two disulfide bonds. Alanine substitution of cysteine residues forming the C-terminal disulfide bridge abrogates pilus assembly, in turn eliminating biofilm formation and polymicrobial interaction. Transposon mutagenesis of A. oris yielded a mutant defective in adherence to Streptococcus oralis, and revealed the essential role of a vitamin K epoxide reductase (VKOR) gene in pilus assembly. Targeted deletion of vkor results in the same defects, which are rescued by ectopic expression of VKOR, but not a mutant containing an alanine substitution in its conserved CXXC motif. Depletion of mdbA, which encodes a membrane-bound thiol-disulfide oxidoreductase, abrogates pilus assembly and alters cell morphology. Remarkably, overexpression of MdbA or a counterpart from Corynebacterium diphtheriae, rescues the vkor mutant. By alkylation assays, we demonstrate that VKOR is required for MdbA reoxidation. Furthermore, crystallographic studies reveal that A. oris MdbA harbors a thioredoxin-like fold with the conserved CXXC active site. Consistently, each MdbA enzyme catalyzes proper disulfide bond formation within FimA in vitro that requires the catalytic CXXC motif. Because the majority of signal peptide-containing proteins encoded by A. oris possess multiple Cys residues, we propose that MdbA and VKOR constitute a major folding machine for the secretome of this organism. This oxidative protein folding pathway may be a common feature in Actinobacteria.
C1 [Reardon-Robinson, Melissa E.; Chang, Chungyu; Wu, Chenggang; Jooya, Neda; Ton-That, Hung] Univ Texas Hlth Sci Ctr Houston, Dept Microbiol & Mol Genet, Houston, TX 77030 USA.
[Osipiuk, Jerzy; Joachimiak, Andrzej] Argonne Natl Lab, Midwest Ctr Struct Genom, Dept Biosci, Argonne, IL 60439 USA.
[Osipiuk, Jerzy; Joachimiak, Andrzej] Argonne Natl Lab, Struct Biol Ctr, Dept Biosci, Argonne, IL 60439 USA.
[Das, Asis] Univ Connecticut, Ctr Hlth, Dept Mol Biol & Biophys, Farmington, CT 06030 USA.
RP Ton-That, H (reprint author), Univ Texas Hlth Sci Ctr Houston, 6431 Fannin St,R224 MSE, Houston, TX 77030 USA.
EM ton-that.hung@uth.tmc.edu
OI Ton-That, Hung/0000-0003-1611-0469
FU United States Department of Energy, Office of Biological and
Environmental Research [DE-AC02-06CH11357]
FX We thank members of the Structural Biology Center at Argonne National
Laboratory for their help in conducting x-ray diffraction data
collection and our lab members for critical review and discussion of the
manuscript. Argonne is operated by the University of Chicago Argonne,
LLC, for the United States Department of Energy, Office of Biological
and Environmental Research under contract DE-AC02-06CH11357.
NR 59
TC 6
Z9 6
U1 1
U2 7
PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA
SN 0021-9258
EI 1083-351X
J9 J BIOL CHEM
JI J. Biol. Chem.
PD AUG 28
PY 2015
VL 290
IS 35
BP 21393
EP 21405
DI 10.1074/jbc.M115.672253
PG 13
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CQ5IS
UT WOS:000360637600016
PM 26170452
ER
PT J
AU Alloy, AP
Kayode, O
Wang, RY
Hockla, A
Soares, AS
Radisky, ES
AF Alloy, Alexandre P.
Kayode, Olumide
Wang, Ruiying
Hockla, Alexandra
Soares, Alexei S.
Radisky, Evette S.
TI Mesotrypsin Has Evolved Four Unique Residues to Cleave Trypsin
Inhibitors as Substrates
SO JOURNAL OF BIOLOGICAL CHEMISTRY
LA English
DT Article
DE crystal structure; enzyme catalysis; protease inhibitor; protein
evolution; protein structure; proteolysis; serine protease;
site-directed mutagenesis; substrate specificity; trypsin
ID HEPATOCYTE GROWTH-FACTOR; BETA-PROTEIN PRECURSOR; DERMASTERIAS-IMBRICATA
TRYPSIN-1; SERINE PROTEASES; PEPTIDE-BOND; TUMOR-GROWTH; ACTIVE SITE;
KUNITZ; METASTASIS; EXPRESSION
AB Background: Canonical serine protease inhibitors normally behave as uncleavable substrates; mesotrypsin targets these inhibitors as substrates. Results: Four spatially separated amino acid residues cooperate to facilitate inhibitor cleavage by mesotrypsin. Conclusion: Inhibitor cleavage is a complex evolutionary adaptation. Significance: Mesotrypsin may regulate a network of serine proteases through its ability to cleave and inactivate multiple protease inhibitors.
Human mesotrypsin is highly homologous to other mammalian trypsins, and yet it is functionally unique in possessing resistance to inhibition by canonical serine protease inhibitors and in cleaving these inhibitors as preferred substrates. Arg-193 and Ser-39 have been identified as contributors to the inhibitor resistance and cleavage capability of mesotrypsin, but it is not known whether these residues fully account for the unusual properties of mesotrypsin. Here, we use human cationic trypsin as a template for engineering a gain of catalytic function, assessing mutants containing mesotrypsin-like mutations for resistance to inhibition by bovine pancreatic trypsin inhibitor (BPTI) and amyloid precursor protein Kunitz protease inhibitor (APPI), and for the ability to hydrolyze these inhibitors as substrates. We find that Arg-193 and Ser-39 are sufficient to confer mesotrypsin-like resistance to inhibition; however, compared with mesotrypsin, the trypsin-Y39S/G193R double mutant remains 10-fold slower at hydrolyzing BPTI and 2.5-fold slower at hydrolyzing APPI. We identify two additional residues in mesotrypsin, Lys-74 and Asp-97, which in concert with Arg-193 and Ser-39 confer the full catalytic capability of mesotrypsin for proteolysis of BPTI and APPI. Novel crystal structures of trypsin mutants in complex with BPTI suggest that these four residues function cooperatively to favor conformational dynamics that assist in dissociation of cleaved inhibitors. Our results reveal that efficient inhibitor cleavage is a complex capability to which at least four spatially separated residues of mesotrypsin contribute. These findings suggest that inhibitor cleavage represents a functional adaptation of mesotrypsin that may have evolved in response to positive selection pressure.
C1 [Alloy, Alexandre P.; Kayode, Olumide; Wang, Ruiying; Hockla, Alexandra; Radisky, Evette S.] Mayo Clin, Dept Canc Biol, Ctr Comprehens Canc, Jacksonville, FL 32224 USA.
[Soares, Alexei S.] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
RP Radisky, ES (reprint author), Mayo Clin, Dept Canc Biol, 310 Griffin Bldg,4500 San Pablo Rd, Jacksonville, FL 32224 USA.
EM radisky.evette@mayo.edu
RI Regan, Clinton/E-6250-2012
FU National Institutes of Health [R01CA154387]
FX This work was supported, in whole or in part, by National Institutes of
Health Grant R01CA154387 (to E. S. R.). The authors declare that they
have no conflicts of interest with the contents of this article.
NR 60
TC 2
Z9 2
U1 2
U2 12
PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA
SN 0021-9258
EI 1083-351X
J9 J BIOL CHEM
JI J. Biol. Chem.
PD AUG 28
PY 2015
VL 290
IS 35
BP 21523
EP 21535
DI 10.1074/jbc.M115.662429
PG 13
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CQ5IS
UT WOS:000360637600027
PM 26175157
ER
PT J
AU Liu, TY
Cheng, K
Salami-Ranjbaran, E
Gao, F
Li, C
Tong, X
Lin, YC
Zhang, Y
Zhang, W
Klinge, L
Walsh, PJ
Fakhraai, Z
AF Liu, Tianyi
Cheng, Kevin
Salami-Ranjbaran, Elmira
Gao, Feng
Li, Chen
Tong, Xiao
Lin, Yi-Chih
Zhang, Yue
Zhang, William
Klinge, Lindsey
Walsh, Patrick J.
Fakhraai, Zahra
TI The effect of chemical structure on the stability of physical vapor
deposited glasses of 1,3,5-triarylbenzene
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID THIN POLYMER-FILMS; STABLE GLASSES; TRANSITION TEMPERATURE; INDOMETHACIN
GLASSES; 2-LEVEL SYSTEMS; SURFACE; TRANSFORMATION; ORIENTATION;
MOLECULES; LIQUID
AB We detail the formation and properties associated with stable glasses (SG) formed by a series of structural analogues of 1,3-bis(1-naphthyl)-5-(2-naphthyl) benzene (alpha, alpha, beta-TNB), a well-studied SG former. Five compounds with similar structural properties were synthesized and physical vapor-deposited with a constant deposition rate at various substrate temperatures (T-dep) in the range between 0.73 T-g and 0.96 T-g. These molecules include alpha, alpha, beta-TNB, 3,5-di(naphthalen-1-yl)-1phenylbenzene (alpha, alpha-P), 9-(3,5-di(naphthalen-1-yl) phenyl) anthracene (alpha, alpha-A), 9,9'-(5-(naphthalen-2yl)- 1,3-phenylene) dianthracene (beta-AA), and 3,3', 5,5'-tetra(naphthalen-1-yl)-1,1'-biphenyl (alpha, alpha, alpha, alpha-TNBP). Ellipsometry was used to study the transformations from the as-deposited glasses into ordinary glasses (OG). The stability of each film was evaluated by measuring the fictive temperature (T-f) and density difference between the as-deposited glass and OG. It is demonstrated that all five molecules can form SGs upon vapor deposition in this temperature range. In-depth studies on the dependence of the stability of as-deposited glasses upon T-dep were performed with three molecules, alpha, alpha, beta-TNB, alpha, alpha-P, and alpha, alpha-A. The general trends of stability were comparable at the same T-dep/T-g for these three compounds. Similar to previous studies on alpha, alpha, beta-TNB, vapor-deposited glasses of alpha, alpha-P and alpha, alpha-A formed the most stable structures around T-dep = 0.8-0.85 T-g. The most stable glass of each molecule showed the lowest thermal expansion coefficient compared to OG and a positive optical birefringence. However, the SGs of alpha, alpha-A were less stable compared to alpha, alpha-P and alpha, alpha, beta-TNB at the relative T-dep/T-g. Based on Arrhenius extrapolation of the aging time, as a measure of stability, the most stable alpha, alpha-A glass was only aged for a few years as opposed to hundreds or thousands of years for other glasses. We hypothesize that the reduced stability is due to slower mobility at the free surface of alpha, alpha-A glass compared to the other two molecules. (C) 2015 AIP Publishing LLC.
C1 [Liu, Tianyi; Cheng, Kevin; Salami-Ranjbaran, Elmira; Gao, Feng; Li, Chen; Lin, Yi-Chih; Zhang, Yue; Zhang, William; Klinge, Lindsey; Walsh, Patrick J.; Fakhraai, Zahra] Univ Penn, Dept Chem, Philadelphia, PA 19104 USA.
[Tong, Xiao] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Fakhraai, Z (reprint author), Univ Penn, Dept Chem, Philadelphia, PA 19104 USA.
EM pwalsh@sas.upenn.edu; fakhraai@sas.upenn.edu
OI LIN, YI-CHIH/0000-0002-6498-215X
FU University of Pennsylvania; MRSEC program of National Science Foundation
at University of Pennsylvania [DMR-11-20901]; NSF [CHE-1152488]; Chinese
Scholarship Council; U.S. Department of Energy, Office of Basic Energy
Sciences [DE-AC02-98CH10886]
FX Z.F. acknowledges funding from the University of Pennsylvania and seed
funding by MRSEC program of the National Science Foundation under Award
No. DMR-11-20901 at the University of Pennsylvania. P.J.W. acknowledges
funding from NSF (No. CHE-1152488). F.G. thanks the Chinese Scholarship
Council for financial support. Physical vapor depositions were carried
out in part at the Center for Functional Nanomaterials, Brookhaven
National Laboratory, which is supported by the U.S. Department of
Energy, Office of Basic Energy Sciences, under Contract No.
DE-AC02-98CH10886.
NR 69
TC 10
Z9 10
U1 5
U2 15
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-9606
EI 1089-7690
J9 J CHEM PHYS
JI J. Chem. Phys.
PD AUG 28
PY 2015
VL 143
IS 8
AR 084506
DI 10.1063/1.4928521
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA CQ5OD
UT WOS:000360653900047
PM 26328855
ER
PT J
AU Ramakrishnan, R
Hartmann, M
Tapavicza, E
von Lilienfeld, OA
AF Ramakrishnan, Raghunathan
Hartmann, Mia
Tapavicza, Enrico
von Lilienfeld, O. Anatole
TI Electronic spectra from TDDFT and machine learning in chemical space
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; MOLECULAR-PROPERTIES; BIG DATA; EXCHANGE;
STRATEGIES; DYNAMICS; DESIGN; CELLS; APPROXIMATIONS; KERNEL
AB Due to its favorable computational efficiency, time-dependent (TD) density functional theory (DFT) enables the prediction of electronic spectra in a high-throughput manner across chemical space. Its predictions, however, can be quite inaccurate. We resolve this issue with machine learning models trained on deviations of reference second-order approximate coupled-cluster (CC2) singles and doubles spectra from TDDFT counterparts, or even from DFT gap. We applied this approach to low-lying singlet-singlet vertical electronic spectra of over 20 000 synthetically feasible small organic molecules with up to eight CONF atoms. The prediction errors decay monotonously as a function of training set size. For a training set of 10 000 molecules, CC2 excitation energies can be reproduced to within +/- 0.1 eV for the remaining molecules. Analysis of our spectral database via chromophore counting suggests that even higher accuracies can be achieved. Based on the evidence collected, we discuss open challenges associated with data-driven modeling of high-lying spectra and transition intensities. (C) 2015 AIP Publishing LLC.
C1 [Ramakrishnan, Raghunathan; von Lilienfeld, O. Anatole] Univ Basel, Inst Phys Chem, CH-4056 Basel, Switzerland.
[Hartmann, Mia; Tapavicza, Enrico] Univ Basel, Natl Ctr Computat Design & Discovery Novel Mat, Dept Chem, CH-4056 Basel, Switzerland.
[Hartmann, Mia; Tapavicza, Enrico] Calif State Univ Long Beach, Dept Chem & Biochem, Long Beach, CA 90840 USA.
[von Lilienfeld, O. Anatole] Argonne Natl Lab, Argonne Leadership Comp Facil, Argonne, IL 60439 USA.
RP Ramakrishnan, R (reprint author), Univ Basel, Inst Phys Chem, Klingelbergstr 80, CH-4056 Basel, Switzerland.
EM Enrico.Tapavicza@csulb.edu; anatole.vonlilienfeld@unibas.ch
RI Ramakrishnan, Raghunathan/C-7250-2015; von Lilienfeld, O.
Anatole/D-8529-2011
OI Ramakrishnan, Raghunathan/0000-0003-0866-3645;
FU Swiss National Science Foundation [PP00P2_138932]; California State
University Long Beach; Office of Science of the U.S. DOE
[DE-AC02-06CH11357]
FX O.A.v.L. acknowledges funding from the Swiss National Science Foundation
(No. PP00P2_138932). E.T. acknowledges start-up funds from California
State University Long Beach. Some calculations were performed at sciCORE
(http://scicore.unibas.ch/) scientific computing core facility at
University of Basel. This research used resources of the Argonne
Leadership Computing Facility at Argonne National Laboratory, which is
supported by the Office of Science of the U.S. DOE under Contract No.
DE-AC02-06CH11357.
NR 64
TC 4
Z9 4
U1 7
U2 28
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-9606
EI 1089-7690
J9 J CHEM PHYS
JI J. Chem. Phys.
PD AUG 28
PY 2015
VL 143
IS 8
AR 084111
DI 10.1063/1.4928757
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA CQ5OD
UT WOS:000360653900014
PM 26328822
ER
PT J
AU Smith, JW
Lam, RK
Shih, O
Rizzuto, AM
Prendergast, D
Saykally, RJ
AF Smith, Jacob W.
Lam, Royce K.
Shih, Orion
Rizzuto, Anthony M.
Prendergast, David
Saykally, Richard J.
TI Properties of aqueous nitrate and nitrite from x-ray absorption
spectroscopy
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID AIR/WATER INTERFACE; MOLECULAR-DYNAMICS; HYDRATION STRUCTURE;
SODIUM-NITRATE; LIQUID WATER; ION; SOLVATION; ANIONS; COEFFICIENTS;
SIMULATIONS
AB Nitrate and nitrite ions are of considerable interest, both for their widespread use in commercial and research contexts and because of their central role in the global nitrogen cycle. The chemistry of atmospheric aerosols, wherein nitrate is abundant, has been found to depend on the interfacial behavior of ionic species. The interfacial behavior of ions is determined largely by their hydration properties; consequently, the study of the hydration and interfacial behavior of nitrate and nitrite comprises a significant field of study. In this work, we describe the study of aqueous solutions of sodium nitrate and nitrite via X-ray absorption spectroscopy (XAS), interpreted in light of first-principles density functional theory electronic structure calculations. Experimental and calculated spectra of the nitrogen K-edge XA spectra of bulk solutions exhibit a large 3.7 eV shift between the XA spectra of nitrate and nitrite resulting from greater stabilization of the nitrogen 1s energy level in nitrate. A similar shift is not observed in the oxygen K-edge XA spectra of NO3- and NO2-. The hydration properties of nitrate and nitrite are found to be similar, with both anions exhibiting a similar propensity towards ion pairing. (C) 2015 AIP Publishing LLC.
C1 [Smith, Jacob W.; Lam, Royce K.; Rizzuto, Anthony M.; Saykally, Richard J.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Smith, Jacob W.; Lam, Royce K.; Saykally, Richard J.] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Shih, Orion] Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan.
[Prendergast, David] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Saykally, RJ (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM saykally@berkeley.edu
RI Foundry, Molecular/G-9968-2014;
OI Lam, Royce/0000-0003-2878-038X
FU Office of Basic Energy Sciences, Office of Science, U.S. Department of
Energy (DOE) through the Lawrence Berkeley National Lab, Berkeley,
California [DE-AC02-05CH11231]; NSF [CHE-0840505]
FX The authors thank the staff of the Advanced Light Source for excellent
experimental support, with special thanks to Wanli Yang and Jon Spear.
Experimental and computational portions of the work described in this
paper were supported by the Director, Office of Basic Energy Sciences,
Office of Science, U.S. Department of Energy (DOE) under Contract No.
DE-AC02-05CH11231, through the Lawrence Berkeley National Lab, Berkeley,
California; XA spectra were collected at Beamline 8.0 of the Advanced
Light Souce; computational resources for electronic structure
calculations were provided by the National Energy Research Scientific
Computing Center (NERSC), a DOE Advanced Scientific Computing Research
User Facility; and analysis of calculations was performed as part of a
User Project at The Molecular Foundry. Computational resources for
molecular dynamics simulations were provided by the Molecular Graphics
and Computation Facility in the UC Berkeley College of Chemistry under
NSF CHE-0840505.
NR 51
TC 6
Z9 6
U1 4
U2 24
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-9606
EI 1089-7690
J9 J CHEM PHYS
JI J. Chem. Phys.
PD AUG 28
PY 2015
VL 143
IS 8
AR 084503
DI 10.1063/1.4928867
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA CQ5OD
UT WOS:000360653900044
PM 26328852
ER
PT J
AU Yu, HG
Ndengue, S
Li, J
Dawes, R
Guo, H
AF Yu, Hua-Gen
Ndengue, Steve
Li, Jun
Dawes, Richard
Guo, Hua
TI Vibrational energy levels of the simplest Criegee intermediate (CH2OO)
from full-dimensional Lanczos, MCTDH, and MULTIMODE calculations
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID DISCRETE VARIABLE REPRESENTATION; CONFORMER-DEPENDENT REACTIVITY;
CONSISTENT-FIELD APPROACH; UV ABSORPTION-SPECTRUM; GAS-PHASE;
ROVIBRATIONAL ENERGIES; PRODUCT REPRESENTATION; POLYATOMIC-MOLECULES;
REACTION DYNAMICS; CARBONYL OXIDES.
AB Accurate vibrational energy levels of the simplest Criegee intermediate (CH2OO) were determined on a recently developed ab initio based nine-dimensional potential energy surface using three quantum mechanical methods. The first is the iterative Lanczos method using a conventional basis expansion with an exact Hamiltonian. The second and more efficient method is the multi-configurational time-dependent Hartree (MCTDH) method in which the potential energy surface is refit to conform to the sums-of-products requirement of MCTDH. Finally, the energy levels were computed with a vibrational self-consistent field/virtual configuration interaction method in MULTIMODE. The low-lying levels obtained from the three methods are found to be within a few wave numbers of each other, although some larger discrepancies exist at higher levels. The calculated vibrational levels are very well represented by an anharmonic effective Hamiltonian. (C) 2015 AIP Publishing LLC.
C1 [Yu, Hua-Gen] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Ndengue, Steve; Dawes, Richard] Missouri Univ Sci & Technol, Dept Chem, Rolla, MO 65409 USA.
[Li, Jun; Guo, Hua] Univ New Mexico, Dept Chem & Chem Biol, Albuquerque, NM 87131 USA.
RP Yu, HG (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM hgy@bnl.gov; dawesr@mst.edu; hguo@unm.edu
RI Yu, Hua-Gen/N-7339-2015; Guo, Hua/J-2685-2014; Ndengue,
Steve/N-1303-2014; Li, Jun/H-4980-2013
OI Guo, Hua/0000-0001-9901-053X; Ndengue, Steve/0000-0001-7136-3827; Li,
Jun/0000-0003-2392-8322
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-98CH10886]; U.S. Department of Energy Office of Science, Office
of Basic Energy Sciences [DE-SC0010616, DE-FG02-05ER15694];
Hundred-Talent Foundation of Chongqing University [0220001104420]
FX The work (H-.G.Y.) performed at the Brookhaven National Laboratory was
supported by the U.S. Department of Energy, Office of Basic Energy
Sciences under Contract No. DE-AC02-98CH10886. The MST and UNM teams
were supported by the U.S. Department of Energy Office of Science,
Office of Basic Energy Sciences under Award Nos. (DE-SC0010616 to R.D.
and DE-FG02-05ER15694 to H.G.). J.L. acknowledges partial support from
Hundred-Talent Foundation of Chongqing University (No. 0220001104420 to
J.L.). Some of the calculations were performed at NERSC.
NR 76
TC 4
Z9 4
U1 10
U2 28
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-9606
EI 1089-7690
J9 J CHEM PHYS
JI J. Chem. Phys.
PD AUG 28
PY 2015
VL 143
IS 8
AR 084311
DI 10.1063/1.4929707
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA CQ5OD
UT WOS:000360653900039
PM 26328847
ER
PT J
AU Anishkin, A
Vanegas, JM
Rogers, DM
Lorenzi, PL
Chan, WK
Purwaha, P
Weinstein, JN
Sukharev, S
Rempe, SB
AF Anishkin, Andriy
Vanegas, Juan M.
Rogers, David M.
Lorenzi, Philip L.
Chan, Wai Kin
Purwaha, Preeti
Weinstein, John N.
Sukharev, Sergei
Rempe, Susan B.
TI Catalytic Role of the Substrate Defines Specificity of Therapeutic
L-Asparaginase
SO JOURNAL OF MOLECULAR BIOLOGY
LA English
DT Article
DE enzyme kinetics; molecular dynamics; mass spectrometry (MS); enzyme
catalysis; ab initio simulations
ID ESCHERICHIA-COLI ASPARAGINASE; ACUTE LYMPHOBLASTIC-LEUKEMIA; INITIO
MOLECULAR-DYNAMICS; HYBRID DENSITY FUNCTIONALS; SITE-SPECIFIC
MUTAGENESIS; THR-TYR-GLU; ERWINIA-CAROTOVORA; CRYSTAL-STRUCTURE; PK(A)
VALUES; GLUTAMINASE-ASPARAGINASE
AB Type II bacterial L-asparaginases (L-ASP) have played an important therapeutic role in cancer treatment for over four decades, yet their exact reaction mechanism remains elusive. L-ASP from Escherichia colt deamidates asparagine (Asn) and glutamine, with an similar to 10(4) higher specificity (k(cat)/K-m) for asparagine despite only one methylene difference in length. Through a sensitive kinetic approach, we quantify competition among the substrates and interpret its clinical role. To understand specificity, we use molecular simulations to characterize enzyme interactions with substrates and a product (aspartate). We present evidence that the aspartate product in the crystal structure of L-ASP exists in an unusual alpha-COOH protonation state. Consequently, the set of enzyme-product interactions found in the crystal structure, which guided prior mechanistic interpretations, differs from those observed in dynamic simulations of the enzyme with the substrates. Finally, we probe the initial nucleophilic attack with ab initio simulations. The unusual protonation state reappears, suggesting that crystal structures (wild type and a T89V mutant) represent intermediate steps rather than initial binding. Also, a proton transfers spontaneously to Asn, advancing a new hypothesis that the substrate's alpha-carboxyl serves as a proton acceptor and activates one of the catalytic threonines during L-ASP's nucleophilic attack on the amide carbon. That hypothesis explains for the first time why proximity of the substrate alpha-COO- group to the carboxamide is absolutely required for catalysis. The substrate's catalytic role is likely the determining factor in enzyme specificity as it constrains the allowed distance between the backbone carboxyl and the amide carbon of any L-ASP substrate. (C) 2015 Elsevier Ltd. All rights reserved.
C1 [Anishkin, Andriy; Sukharev, Sergei] Univ Maryland, Dept Biol, College Pk, MD 20742 USA.
[Vanegas, Juan M.; Rogers, David M.; Rempe, Susan B.] Sandia Natl Labs, Ctr Biol & Engn Sci, Albuquerque, NM 87185 USA.
[Lorenzi, Philip L.; Chan, Wai Kin; Purwaha, Preeti; Weinstein, John N.] Univ Texas MD Anderson Canc Ctr, Dept Bioinformat & Computat Biol, Houston, TX 77230 USA.
[Lorenzi, Philip L.; Chan, Wai Kin; Purwaha, Preeti; Weinstein, John N.] Univ Texas MD Anderson Canc Ctr, Dept Syst Biol, Houston, TX 77230 USA.
RP Sukharev, S (reprint author), Univ Maryland, Dept Biol, College Pk, MD 20742 USA.
EM sukharev@umd.edu; slrempe@sandia.gov
OI Sukharev, Sergei/0000-0002-4807-9665
FU Sandia Laboratory-Directed Research and Development Program; Defense
Threat Reduction Agency-Joint Science and Technology Office for Chemical
and Biological Defense (IAA) [DTRA10027IA-03167]; Michael and Susan Dell
Foundation; US Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX This work was supported by the Sandia Laboratory-Directed Research and
Development Program and the Defense Threat Reduction Agency-Joint
Science and Technology Office for Chemical and Biological Defense (IAA
number DTRA10027IA-03167). The work was also supported by a gift from
the H. A. and Mary K. Chapman Foundations and a grant from the Michael
and Susan Dell Foundation honoring Lorraine Dell. Sandia National
Laboratories is a multiprogram laboratory operated by Sandia Corp., a
wholly owned subsidiary of Lockheed Martin Corp., for the US Department
of Energy's National Nuclear Security Administration under contract
DE-AC04-94AL85000.
NR 84
TC 2
Z9 2
U1 1
U2 16
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0022-2836
EI 1089-8638
J9 J MOL BIOL
JI J. Mol. Biol.
PD AUG 28
PY 2015
VL 427
IS 17
BP 2867
EP 2885
DI 10.1016/j.jmb.2015.06.017
PG 19
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA CQ7IB
UT WOS:000360775100011
PM 26142822
ER
PT J
AU Aylward, FO
Khadempour, L
Tremmel, DM
McDonald, BR
Nicora, CD
Wu, S
Moore, RJ
Orton, DJ
Monroe, ME
Piehowski, PD
Purvine, SO
Smith, RD
Lipton, MS
Burnum-Johnson, KE
Currie, CR
AF Aylward, Frank O.
Khadempour, Lily
Tremmel, Daniel M.
McDonald, Bradon R.
Nicora, Carrie D.
Wu, Si
Moore, Ronald J.
Orton, Daniel J.
Monroe, Matthew E.
Piehowski, Paul D.
Purvine, Samuel O.
Smith, Richard D.
Lipton, Mary S.
Burnum-Johnson, Kristin E.
Currie, Cameron R.
TI Enrichment and Broad Representation of Plant Biomass-Degrading Enzymes
in the Specialized Hyphal Swellings of Leucoagaricus gongylophorus, the
Fungal Symbiont of Leaf-Cutter Ants
SO PLOS ONE
LA English
DT Article
ID CELL WALL POLYSACCHARIDES; ATTA-SEXDENS-RUBROPILOSA; ARYL-ALCOHOL
OXIDASE; CUTTING ANTS; FECAL PROTEINASES; GROWING ANTS; DEGRADATION;
GARDENS; CELLULOSE; DATABASE
AB Leaf-cutter ants are prolific and conspicuous constituents of Neotropical ecosystems that derive energy from specialized fungus gardens they cultivate using prodigious amounts of foliar biomass. The basidiomycetous cultivar of the ants, Leucoagaricus gongylophorus, produces specialized hyphal swellings called gongylidia that serve as the primary food source of ant colonies. Gongylidia also contain plant biomass-degrading enzymes that become concentrated in ant digestive tracts and are deposited within fecal droplets onto fresh foliar material as ants incorporate it into the fungus garden. Although the enzymes concentrated by L. gongylophorus within gongylidia are thought to be critical to the initial degradation of plant biomass, only a few enzymes present in these hyphal swellings have been identified. Here we use proteomic methods to identify proteins present in the gongylidia of three Atta cephalotes colonies. Our results demonstrate that a diverse but consistent set of enzymes is present in gongylidia, including numerous plant biomass-degrading enzymes likely involved in the degradation of polysaccharides, plant toxins, and proteins. Overall, gongylidia contained over three quarters of all biomass-degrading enzymes identified in the L. gongylophorus genome, demonstrating that the majority of the enzymes produced by this fungus for biomass breakdown are ingested by the ants. We also identify a set of 40 of these enzymes enriched in gongylidia compared to whole fungus garden samples, suggesting that certain enzymes may be particularly important in the initial degradation of foliar material. Our work sheds light on the complex interplay between leaf-cutter ants and their fungal symbiont that allows for the host insects to occupy an herbivorous niche by indirectly deriving energy from plant biomass.
C1 [Aylward, Frank O.; Khadempour, Lily; Tremmel, Daniel M.; McDonald, Bradon R.; Currie, Cameron R.] Univ Wisconson Madison, Dept Bacteriol, Madison, WI USA.
[Aylward, Frank O.; Khadempour, Lily; Tremmel, Daniel M.; McDonald, Bradon R.; Currie, Cameron R.] Univ Wisconsin, Great Lakes Bioenergy Res Ctr, Madison, WI USA.
[Nicora, Carrie D.; Wu, Si; Moore, Ronald J.; Orton, Daniel J.; Monroe, Matthew E.; Piehowski, Paul D.; Purvine, Samuel O.; Smith, Richard D.; Lipton, Mary S.; Burnum-Johnson, Kristin E.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
RP Aylward, FO (reprint author), Univ Hawaii Manoa, Ctr Microbial Oceanog Res & Educ, Honolulu, HI 96822 USA.
EM faylward@hawaii.edu; currie@bact.wisc.edu
RI Smith, Richard/J-3664-2012; Burnum, Kristin/B-1308-2011;
OI Smith, Richard/0000-0002-2381-2349; Burnum, Kristin/0000-0002-2722-4149;
Piehowski, Paul/0000-0001-5108-2227
FU U.S. Department of Energy (DOE), Office of Biological and Environmental
Research, Genomic Science Program under the Pacific Northwest National
Laboratory (PNNL) Pan-omics Program; DOE [DE-AC05-76RLO01830]; National
Science Foundation [DEB-0747002, MCB-0702025, MCB-0731822]; DOE Great
Lakes Bioenergy Research Center (DOE Office of Science) [BER
DE-FC02-07ER64494]
FX Proteomics measurements were supported by the U.S. Department of Energy
(DOE), Office of Biological and Environmental Research, Genomic Science
Program under the Pacific Northwest National Laboratory (PNNL) Pan-omics
Program, and were performed in the Environmental Molecular Science
Laboratory, a U.S. DOE national scientific user facility at PNNL in
Richland, WA. Battelle operates PNNL for the DOE under contract
DE-AC05-76RLO01830. This work was also supported by National Science
Foundation grants DEB-0747002, MCB-0702025, and MCB-0731822 to CRC and
the DOE Great Lakes Bioenergy Research Center (DOE Office of Science BER
DE-FC02-07ER64494).
NR 52
TC 3
Z9 3
U1 4
U2 31
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD AUG 28
PY 2015
VL 10
IS 8
AR e0134752
DI 10.1371/journal.pone.0134752
PG 12
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CQ0PO
UT WOS:000360299100018
PM 26317212
ER
PT J
AU Shrestha, M
Xiao, Y
Robinson, H
Schubot, FD
AF Shrestha, Manisha
Xiao, Yi
Robinson, Howard
Schubot, Florian D.
TI Structural Analysis of the Regulatory Domain of ExsA, a Key
Transcriptional Regulator of the Type Three Secretion System in
Pseudomonas aeruginosa
SO PLOS ONE
LA English
DT Article
ID ENTERICA SEROVAR TYPHIMURIUM; VIBRIO-CHOLERAE TOXT; BLEB-NICHE
FORMATION; SALMONELLA-TYPHIMURIUM; EPITHELIAL-CELLS; SELF-ASSOCIATION;
VIRULENCE GENES; DNA-BINDING; ESCHERICHIA-COLI; DIMERIZATION DOMAIN
AB Pseudomonas aeruginosa employs a type three secretion system to facilitate infections in mammalian hosts. The operons encoding genes of structural components of the secretion machinery and associated virulence factors are all under the control of the AraC-type transcriptional activator protein, ExsA. ExsA belongs to a unique subfamily of AraC-proteins that is regulated through protein-protein contacts rather than small molecule ligands. Prior to infection, ExsA is inhibited through a direct interaction with the anti-activator ExsD. To activate ExsA upon host cell contact this interaction is disrupted by the anti-antiactivator protein ExsC. Here we report the crystal structure of the regulatory domain of ExsA, which is known to mediate ExsA dimerization as well as ExsD binding. The crystal structure suggests two models for the ExsA dimer. Both models confirmed the previously shown involvement of helix alpha-3 in ExsA dimerization but one also suggest a role for helix alpha-2. These structural data are supported by the observation that a mutation in alpha-2 greatly diminished the ability of ExsA to activate transcription in vitro. Additional in vitro transcription studies revealed that a conserved pocket, used by AraC and the related ToxT protein for the binding of small molecule regulators, although present in ExsA is not involved in binding of ExsD.
C1 [Shrestha, Manisha; Xiao, Yi; Schubot, Florian D.] Virginia Polytech Inst & State Univ, Dept Biol Sci, Blacksburg, VA 24060 USA.
[Robinson, Howard] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
RP Schubot, FD (reprint author), Virginia Polytech Inst & State Univ, Dept Biol Sci, Washington St, Blacksburg, VA 24060 USA.
EM fschubot@vt.edu
FU Public Health Service grant from the National Institute of Allergy and
Infectious Diseases [1R21AI101774]; Department of Energy Office of
Biological and Environmental Research; NIH
FX Funding was provided by Public Health Service grant 1R21AI101774 to FDS
from the National Institute of Allergy and Infectious Diseases. Funding
for data collected at beamline 29 NSLS is provided by Department of
Energy Office of Biological and Environmental Research and NIH. The
funders had no role in study design, data collection and analysis,
decision to publish, or preparation of the manuscript.
NR 87
TC 2
Z9 2
U1 0
U2 4
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD AUG 28
PY 2015
VL 10
IS 8
AR e0136533
DI 10.1371/journal.pone.0136533
PG 17
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CQ0PO
UT WOS:000360299100097
PM 26317977
ER
PT J
AU Yao, S
Yoo, S
Yu, DT
AF Yao, Shun
Yoo, Shinjae
Yu, Dantong
TI Prior knowledge driven Granger causality analysis on gene regulatory
network discovery
SO BMC BIOINFORMATICS
LA English
DT Article
DE Time series; Gene expression data; Granger causality; Gene regulatory
networks
ID DYNAMIC BAYESIAN NETWORK; SINGULAR-VALUE DECOMPOSITION; TIME-SERIES;
SEQUENCING TECHNOLOGY; EXPRESSION DATA; CELL-CYCLE; REGRESSION;
INFERENCE; REGULARIZATION; SELECTION
AB Background: Our study focuses on discovering gene regulatory networks from time series gene expression data using the Granger causality (GC) model. However, the number of available time points (T) usually is much smaller than the number of target genes (n) in biological datasets. The widely applied pairwise GC model (PGC) and other regularization strategies can lead to a significant number of false identifications when n >> T.
Results: In this study, we proposed a new method, viz., CGC-2SPR (CGC using two-step prior Ridge regularization) to resolve the problem by incorporating prior biological knowledge about a target gene data set. In our simulation experiments, the propose new methodology CGC-2SPR showed significant performance improvement in terms of accuracy over other widely used GC modeling (PGC, Ridge and Lasso) and MI-based (MRNET and ARACNE) methods. In addition, we applied CGC-2SPR to a real biological dataset, i.e., the yeast metabolic cycle, and discovered more true positive edges with CGC-2SPR than with the other existing methods.
Conclusions: In our research, we noticed a "1 + 1 > 2" effect when we combined prior knowledge and gene expression data to discover regulatory networks. Based on causality networks, we made a functional prediction that the Abm1 gene (its functions previously were unknown) might be related to the yeast's responses to different levels of glucose. Our research improves causality modeling by combining heterogeneous knowledge, which is well aligned with the future direction in system biology. Furthermore, we proposed a method of Monte Carlo significance estimation (MCSE) to calculate the edge significances which provide statistical meanings to the discovered causality networks. All of our data and source codes will be available under the link https://bitbucket.org/dtyu/grangercausality/wiki/Home.
C1 [Yao, Shun] SUNY Stony Brook, Dept Biochem & Cell Biol, Stony Brook, NY 11790 USA.
[Yao, Shun; Yoo, Shinjae; Yu, Dantong] Brookhaven Natl Lab, Computat Sci Ctr, Upton, NY 11793 USA.
RP Yu, DT (reprint author), Brookhaven Natl Lab, Computat Sci Ctr, Upton, NY 11793 USA.
EM dtyu@bnl.gov
NR 51
TC 0
Z9 0
U1 3
U2 17
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1471-2105
J9 BMC BIOINFORMATICS
JI BMC Bioinformatics
PD AUG 28
PY 2015
VL 16
AR 273
DI 10.1186/s12859-015-0710-1
PG 18
WC Biochemical Research Methods; Biotechnology & Applied Microbiology;
Mathematical & Computational Biology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Mathematical & Computational Biology
GA CP9DP
UT WOS:000360194200002
PM 26316173
ER
PT J
AU Converse, BJ
McKinley, JP
Resch, C
Roden, EE
AF Converse, Brandon J.
McKinley, James P.
Resch, CharlesT.
Roden, Erice E.
TI Microbial mineral colonization across a subsurface redox transition zone
SO FRONTIERS IN MICROBIOLOGY
LA English
DT Article
DE subsurface sediments; redox transition; minerals; colonization; amplicon
sequencing
ID HANFORD 300 AREA; OXIDIZING BACTERIA; SP NOV.; STRUCTURAL FE(III); IRON
FORMS; GEN. NOV.; SITE; REDUCTION; COMMUNITY; AQUIFER
AB This study employed 16S rRNA gene amplicon pyrosequencing to examine the hypothesis that chemolithotrophic Fe(II)-oxidizing bacteria (FeOB) would preferentially colonize the Fe(II)-bearing mineral biotite compared to quartz sand when the minerals were incubated in situ within a subsurface redox transition zone (RTZ) at the Hanford 300 Area site in Richland, WA, USA. The work was motivated by the recently documented presence of neutral-pH chemolithotrophic FeOB capable of oxidizing structural Fe(II) in primary silicate and secondary phyllosilicate minerals in 300 Area sediments and groundwater (Benzine et al., 2013). Sterilized portions of sand biotite or sand alone were incubated in situ for 5 months within a multilevel sampling (MLS) apparatus that spanned a ca. 2-m interval across the RTZ in two separate groundwater wells. Parallel MLS measurements of aqueous geochemical species were performed prior to deployment of the minerals. Contrary to expectations, the 16S rRNA gene libraries showed no significant difference in microbial communities that colonized the sand biotite vs. sand-only deployments. Both mineral-associated and groundwater communities were dominated by heterotrophic taxa, with organisms from the Pseudomonadaceae accounting for up to 70% of all reads from the colonized minerals. These results are consistent with previous results indicating the capacity for heterotrophic metabolism (including anaerobic metabolism below the RTZ) as well as the predominance of heterotrophic taxa within 300 Area sediments and groundwater. Although heterotrophic organisms clearly dominated the colonized minerals, several putative lithotrophic (NH4+, H-2, Fe(II), and HS- oxidizing) taxa were detected in significant abundance above and within the RTZ. Such organisms may play a role in the coupling of anaerobic microbial metabolism to oxidative pathways with attendant impacts on elemental cycling and redox-sensitive contaminant behavior in the vicinity of the RTZ.
C1 [Converse, Brandon J.; Roden, Erice E.] Univ Wisconsin, Dept Geosci, Madison, WI 53706 USA.
[McKinley, James P.; Resch, CharlesT.] Pacific NW Natl Lab, Richmond, WA USA.
RP Roden, EE (reprint author), Univ Wisconsin, Dept Geosci, 1215 West Dayton St, Madison, WI 53706 USA.
EM eroden@geology.wisc.edu
FU US Department of Energy, Office of Biological and Environmental
Research, Subsurface Biogeochemical Research Program through the SBR
Scientific Focus Area at the Pacific Northwest National Laboratory
(PNNL)
FX This work was supported by the US Department of Energy, Office of
Biological and Environmental Research, Subsurface Biogeochemical
Research Program through the SBR Scientific Focus Area at the Pacific
Northwest National Laboratory (PNNL). We thank David Kennedy (PNNL) for
help with collection and processing of the MLS samples.
NR 66
TC 1
Z9 1
U1 7
U2 30
PU FRONTIERS MEDIA SA
PI LAUSANNE
PA PO BOX 110, EPFL INNOVATION PARK, BUILDING I, LAUSANNE, 1015,
SWITZERLAND
SN 1664-302X
J9 FRONT MICROBIOL
JI Front. Microbiol.
PD AUG 28
PY 2015
VL 6
AR 858
DI 10.3389/fmicb.2015.00858
PG 14
WC Microbiology
SC Microbiology
GA CQ1ET
UT WOS:000360340800001
PM 26379637
ER
PT J
AU Ford, KL
Zeng, W
Heazlewood, JL
Bacic, A
AF Ford, Kristina L.
Zeng, We
Heazlewood, Joshua L.
Bacic, Antony
TI Characterization of protein N-glycosylation by tandem mass spectrometry
using complementary fragmentation techniques
SO FRONTIERS IN PLANT SCIENCE
LA English
DT Article
DE glycosylation; fragmentation; electron-transfer dissociation;
post-translational modification; tandem mass spectrometry
ID ELECTRON-TRANSFER DISSOCIATION; POSTTRANSLATIONAL MODIFICATIONS;
GLYCOPEPTIDE ANALYSIS; LINKED GLYCOSYLATION; GLYCOPROTEINS; GLYCANS;
SITES; IDENTIFICATION; PLANT; HETEROGENEITY
AB The analysis of post-translational modifications (PTMs) by proteomics is regarded as a technically challenging undertaking. While in recent years approaches to examine and quantify protein phosphorylation have greatly improved, the analysis of many protein modifications, such as glycosylation, are still regarded as problematic. Limitations in the standard proteomics workflow, such as use of suboptimal peptide fragmentation methods, can significantly prevent the identification of glycopeptides. The current generation of tandem mass spectrometers has made available a variety of fragmentation options, many of which are becoming standard features on these instruments. We have used three common fragmentation techniques, namely CID, HCD, and ETD, to analyze a glycopeptide and highlight how an integrated fragmentation approach can be used to identify the modified residue and characterize the N-glycan on a peptide.
C1 [Ford, Kristina L.; Zeng, We; Heazlewood, Joshua L.; Bacic, Antony] Univ Melbourne, ARC Ctr Excellence Plant Cell Walls, Sch BioSci, Melbourne, Vic 3010, Australia.
[Heazlewood, Joshua L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
RP Bacic, A (reprint author), Univ Melbourne, ARC Ctr Excellence Plant Cell Walls, Sch BioSci, Bldg 122, Melbourne, Vic 3010, Australia.
EM abacic@unimelb.edu.au
RI Heazlewood, Joshua/A-2554-2008;
OI Heazlewood, Joshua/0000-0002-2080-3826; Zeng, Wei/0000-0001-6898-1210;
Bacic, Tony/0000-0001-7483-8605
FU Australian Research Council (ARC) [CE110001007]; U. S. Department of
Energy, Office of Science, Office of Biological, and Environmental
Research [DE-AC02-05CH11231]; Lawrence Berkeley National Laboratory;
U.S. Department of Energy; ARC Future Fellowship [FT130101165]
FX The interpretation of ETD spectra was conducted with the assistance of
Ms. Yin Ying Ho (The University of Melbourne). This work was funded by
grants from the Australian Research Council (ARC) to the ARC Centre of
Excellence in Plant Cell Walls [CE110001007] and the U. S. Department of
Energy, Office of Science, Office of Biological, and Environmental
Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley
National Laboratory and the U.S. Department of Energy. JH is supported
by an ARC Future Fellowship [FT130101165]. The MS spectra were acquired
at the Mass Spectrometry and Proteomics Facility (MSPF), Bio21
Institute, The University of Melbourne with the help of Dr. Ching-Seng
Ang.
NR 50
TC 5
Z9 5
U1 2
U2 18
PU FRONTIERS MEDIA SA
PI LAUSANNE
PA PO BOX 110, EPFL INNOVATION PARK, BUILDING I, LAUSANNE, 1015,
SWITZERLAND
SN 1664-462X
J9 FRONT PLANT SCI
JI Front. Plant Sci.
PD AUG 28
PY 2015
VL 6
AR 674
DI 10.3389/fpls.2015.00674
PG 6
WC Plant Sciences
SC Plant Sciences
GA CQ2PO
UT WOS:000360443700001
PM 26379696
ER
PT J
AU Jeffryes, JG
Colastani, RL
Elbadawi-Sidhu, M
Kind, T
Niehaus, TD
Broadbelt, LJ
Hanson, AD
Fiehn, O
Tyo, KEJ
Henry, CS
AF Jeffryes, James G.
Colastani, Ricardo L.
Elbadawi-Sidhu, Mona
Kind, Tobias
Niehaus, Thomas D.
Broadbelt, Linda J.
Hanson, Andrew D.
Fiehn, Oliver
Tyo, Keith E. J.
Henry, Christopher S.
TI MINEs: open access databases of computationally predicted enzyme
promiscuity products for untargeted metabolomics
SO JOURNAL OF CHEMINFORMATICS
LA English
DT Article
DE Enzyme promiscuity; Untargeted metabolomics; Liquid chromatography-mass
spectrometry; Metabolite identification
ID METABOLITE IDENTIFICATION; PATHWAY PREDICTION; CATALYTIC PROMISCUITY;
BIOSYNTHESIS; ALGORITHM; EVOLUTION; KEGG
AB Background: In spite of its great promise, metabolomics has proven difficult to execute in an untargeted and generalizable manner. Liquid chromatography-mass spectrometry (LC-MS) has made it possible to gather data on thousands of cellular metabolites. However, matching metabolites to their spectral features continues to be a bottleneck, meaning that much of the collected information remains uninterpreted and that new metabolites are seldom discovered in untargeted studies. These challenges require new approaches that consider compounds beyond those available in curated biochemistry databases.
Description: Here we present Metabolic In silico Network Expansions (MINEs), an extension of known metabolite databases to include molecules that have not been observed, but are likely to occur based on known metabolites and common biochemical reactions. We utilize an algorithm called the Biochemical Network Integrated Computational Explorer (BNICE) and expert-curated reaction rules based on the Enzyme Commission classification system to propose the novel chemical structures and reactions that comprise MINE databases. Starting from the Kyoto Encyclopedia of Genes and Genomes (KEGG) COMPOUND database, the MINE contains over 571,000 compounds, of which 93% are not present in the PubChem database. However, these MINE compounds have on average higher structural similarity to natural products than compounds from KEGG or PubChem. MINE databases were able to propose annotations for 98.6% of a set of 667 MassBank spectra, 14% more than KEGG alone and equivalent to PubChem while returning far fewer candidates per spectra than PubChem (46 vs. 1715 median candidates). Application of MINEs to LC-MS accurate mass data enabled the identity of an unknown peak to be confidently predicted.
Conclusions: MINE databases are freely accessible for non-commercial use via user-friendly web-tools at http://minedatabase.mcs.anl.gov and developer-friendly APIs. MINEs improve metabolomics peak identification as compared to general chemical databases whose results include irrelevant synthetic compounds. Furthermore, MINEs complement and expand on previous in silico generated compound databases that focus on human metabolism. We are actively developing the database; future versions of this resource will incorporate transformation rules for spontaneous chemical reactions and more advanced filtering and prioritization of candidate structures.
C1 [Jeffryes, James G.; Broadbelt, Linda J.; Tyo, Keith E. J.] Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL USA.
[Jeffryes, James G.; Colastani, Ricardo L.; Henry, Christopher S.] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Elbadawi-Sidhu, Mona; Kind, Tobias; Fiehn, Oliver] Univ Calif Davis, West Coast Metabol Ctr, Davis, CA 95616 USA.
[Niehaus, Thomas D.; Hanson, Andrew D.] Univ Florida, Dept Hort Sci, Gainesville, FL USA.
[Fiehn, Oliver] King Abdulaziz Univ, Dept Biochem, Jeddah 21413, Saudi Arabia.
RP Henry, CS (reprint author), Argonne Natl Lab, Math & Comp Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM chenry@mcs.anl.gov
RI Tyo, Keith /H-6227-2012; Broadbelt, Linda/B-7640-2009;
OI Jeffryes, James/0000-0001-9157-2044; Kind, Tobias/0000-0002-1908-4916
FU US National Science Foundation [MCB-1153357, MCB-1153413, MCB-1153491];
US Department of Energy as part of the DOE Systems Biology Knowledgebase
[P/ANL2013-194]; National Institutes of Health [U24 DK097154]
FX This work was funded by the US National Science Foundation [MCB-1153357
(to C. H.), MCB-1153413 (to A. H.), and MCB-1153491 (to O. F.)], the US
Department of Energy as part of the DOE Systems Biology Knowledgebase
(P/ANL2013-194 to C. H.) and the National Institutes of Health (U24
DK097154 to O.F.).
NR 47
TC 15
Z9 15
U1 6
U2 42
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1758-2946
J9 J CHEMINFORMATICS
JI J. Cheminformatics
PD AUG 28
PY 2015
VL 7
AR 44
DI 10.1186/s13321-015-0087-1
PG 8
WC Chemistry, Multidisciplinary; Computer Science, Information Systems;
Computer Science, Interdisciplinary Applications
SC Chemistry; Computer Science
GA CP8BK
UT WOS:000360115900001
PM 26322134
ER
PT J
AU Wang, SM
Ramirez, JG
Schuller, IK
AF Wang, Siming
Ramirez, Juan Gabriel
Schuller, Ivan K.
TI Avalanches in vanadium sesquioxide nanodevices
SO PHYSICAL REVIEW B
LA English
DT Article
ID SELF-ORGANIZED CRITICALITY; INSULATOR-TRANSITION; MOTT TRANSITION;
NOISE; DISTRIBUTIONS
AB The resistance versus temperature across the metal-insulator transition (MIT) of V2O3 nanodevices exhibits multiple discontinuous jumps. The jump sizes range over three orders of magnitude in resistance and their distribution follows a power law, implying that the MIT of V2O3 occurs through avalanches. While the maximum jump size depends on the device size, the power law exponent for V2O3 is independent of device geometry and different than the one found earlier in VO2. A two-dimensional random percolation model exhibits a power law distribution different from the one found in V2O3. Instead, the model gives a similar exponent found in another vanadium oxide, VO2. Our results suggest that the MITs of VO2 and V2O3 are produced by different mechanisms.
C1 [Wang, Siming; Ramirez, Juan Gabriel; Schuller, Ivan K.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
[Wang, Siming; Ramirez, Juan Gabriel; Schuller, Ivan K.] Univ Calif San Diego, Ctr Adv Nanosci, La Jolla, CA 92093 USA.
[Wang, Siming; Schuller, Ivan K.] Univ Calif San Diego, Mat Sci & Engn Program, La Jolla, CA 92093 USA.
[Wang, Siming] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mat Sci Div, Berkeley, CA 94720 USA.
[Ramirez, Juan Gabriel] Univ Los Andes, Dept Phys, Bogota 111711, Colombia.
RP Wang, SM (reprint author), Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
EM simingwang@lbl.gov
RI Wang, Siming/K-7821-2015;
OI Ramirez, Juan Gabriel/0000-0001-8546-6966
FU AFOSR; U.S. Department of Defense from a National Security Science and
Engineering Faculty Fellowship (NSSEFF); U.S. Department of Energy,
Office of Science, Basic Energy Sciences (BES) magnetism program at
Lawrence Berkeley National Laboratory
FX This work was supported by AFOSR. I.K.S. thanks the U.S. Department of
Defense for support from a National Security Science and Engineering
Faculty Fellowship (NSSEFF). S.W. thanks the U.S. Department of Energy,
Office of Science, Basic Energy Sciences (BES) magnetism program at
Lawrence Berkeley National Laboratory for support while writing.
NR 31
TC 1
Z9 1
U1 1
U2 30
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
EI 1550-235X
J9 PHYS REV B
JI Phys. Rev. B
PD AUG 28
PY 2015
VL 92
IS 8
AR 085150
DI 10.1103/PhysRevB.92.085150
PG 5
WC Physics, Condensed Matter
SC Physics
GA CQ0KO
UT WOS:000360284500002
ER
PT J
AU Granados, C
Weiss, C
AF Granados, C.
Weiss, C.
TI Quantum-mechanical picture of peripheral chiral dynamics
SO PHYSICAL REVIEW C
LA English
DT Article
ID PERTURBATION-THEORY; FORM-FACTORS; NUCLEAR-FORCES; LAGRANGIANS
AB The nucleon's peripheral transverse charge and magnetization densities are computed in chiral effective field theory. The densities are represented in first-quantized form, as overlap integrals of chiral light-front wave functions describing the transition of the nucleon to soft pion-nucleon intermediate states. The orbital motion of the pion causes a large left-right asymmetry in a transversely polarized nucleon. The effect attests to the relativistic nature of chiral dynamics [pion momenta k = O(M-pi)] and could be observed in form factor measurements at low momentum transfer.
C1 [Granados, C.] Uppsala Univ, Dept Phys & Astron Nucl Phys, S-75120 Uppsala, Sweden.
[Weiss, C.] Jefferson Lab, Ctr Theory, Newport News, VA 23606 USA.
RP Granados, C (reprint author), Uppsala Univ, Dept Phys & Astron Nucl Phys, S-75120 Uppsala, Sweden.
FU U.S. DOE [DE-AC05-06OR23177]
FX Authored by Jefferson Science Associates, LLC under U.S. DOE Contract
No. DE-AC05-06OR23177.
NR 33
TC 0
Z9 0
U1 1
U2 2
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
EI 1089-490X
J9 PHYS REV C
JI Phys. Rev. C
PD AUG 28
PY 2015
VL 92
IS 2
AR 025206
DI 10.1103/PhysRevC.92.025206
PG 5
WC Physics, Nuclear
SC Physics
GA CQ0KT
UT WOS:000360285100006
ER
PT J
AU Xu, XD
Zhang, SS
Signoracci, AJ
Smith, MS
Li, ZP
AF Xu, Xu-Dong
Zhang, Shi-Sheng
Signoracci, A. J.
Smith, M. S.
Li, Z. P.
TI Analytical continuation from bound to resonant states in the Dirac
equation with quadrupole-deformed potentials
SO PHYSICAL REVIEW C
LA English
DT Article
ID PLUS BCS APPROACH; PAIRING CORRELATIONS; NUCLEI; HALO
AB Background: Resonances with pronounced single-particle characteristics are crucial for quantitative descriptions of exotic nuclei near and beyond the drip lines, and often impact halo formation and nucleon decay processes. Since the majority of nuclei are deformed, the interplay between deformation and orbital structure near threshold can lead to improved descriptions of exotic nuclei.
Purpose: Develop a method to study single-particle resonant orbital structure in the Dirac equation with a quadrupole-deformed Woods-Saxon potential. Determine the structure evolution of bound and resonant levels with deformation in this scheme, and examine the impact on halo formation in loosely bound systems, with a focus on the recent halo candidate nucleus Mg-37.
Method: Analytical continuation of the coupling constant (ACCC) method is developed on the basis of the Dirac equation with a deformed Woods-Saxon potential. The scalar and vector terms in the deformed potential are determined by the energies of the valence neutron and nearby orbitals, which are extracted from a self-consistent relativistic Hartree-Bogoliubov (RHB) calculation with the PC-PK1 density functional.
Results: We compare the energies and widths of resonant orbitals in the recent halo nucleus candidate Mg-37 using the ACCC method based on the Dirac coupled-channel equations with those determined from the scattering phase shift (SPS) method. It is found that the results from the two methods agree well for narrow resonances, whereas the SPS method fails for broad resonances. Nilsson levels for bound and resonant orbitals from the ACCC method are calculated over a wide range of deformations and show some decisive hints of halo formation in Mg-37.
Conclusions: In ourACCC model for deformed potentials in the coupled-channelDirac equations, the crossing of the configuration 1/2[321] and 5/2[312] orbitals at a deformation of approximately 0.5 enhances the probability to occupy the 1/2[321] orbital coming from 2p(3/2) thereby explaining the recent observation of a p-wave one-neutron halo configuration in Mg-37. The resonant 1/2[301] configuration plays a crucial role in halo formation in the magnesium isotopes beyond A = 40 for a wide range of deformations larger than 0.2.
C1 [Xu, Xu-Dong; Zhang, Shi-Sheng] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China.
[Zhang, Shi-Sheng] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
[Zhang, Shi-Sheng; Signoracci, A. J.; Smith, M. S.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Zhang, Shi-Sheng] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Li, Z. P.] Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China.
RP Xu, XD (reprint author), Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China.
EM zss76@buaa.edu.cn; smithms@ornl.gov; zpliphy@swu.edu.cn
RI Li, Zhipan/F-6299-2012; zhang, shisheng/O-9362-2016
OI zhang, shisheng/0000-0003-3926-7151
FU National Natural Science Foundation of China [11375022, 11235002,
11475140, 11105110]; China Scholarship Council, Beihang New Star
[2011307472]; International Science and Technology Cooperation Project
[2012DFG61930]; U.S. Dept. of Energy, Office of Nuclear Physics
FX We acknowledge Dr. G. Hagen for his careful reading of the manuscript.
This work has been supported by the National Natural Science Foundation
of China (Grants No. 11375022, No. 11235002, No. 11475140, and No.
11105110); China Scholarship Council (No. 2011307472), Beihang New Star;
International Science and Technology Cooperation Project (2012DFG61930);
and the U.S. Dept. of Energy, Office of Nuclear Physics.
NR 41
TC 6
Z9 6
U1 5
U2 26
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
EI 1089-490X
J9 PHYS REV C
JI Phys. Rev. C
PD AUG 28
PY 2015
VL 92
IS 2
AR 024324
DI 10.1103/PhysRevC.92.024324
PG 5
WC Physics, Nuclear
SC Physics
GA CQ0KT
UT WOS:000360285100001
ER
PT J
AU Kubarovsky, V
Voloshin, MB
AF Kubarovsky, V.
Voloshin, M. B.
TI Formation of hidden-charm pentaquarks in photon-nucleon collisions
SO PHYSICAL REVIEW D
LA English
DT Article
AB The cross section for formation in gamma + p collisions of the recently found hidden-charm pentaquark states P-c(4380) and P-c(4450) is discussed and estimated. The studies of these resonances in photon beam experiments can be complementary to those in the LHCb experiment setting, and may be more advantageous for measurement of their additional decay channels. It is pointed out that both the relative importance of such decays and the yield of the resonances in the gamma + p collisions are sensitive to the internal dynamics of the pentaquarks and can resolve between theoretical models. Specific numerical estimates are discussed within a simple "baryocharmonium" model, where the observed P-c resonances are composites of J/psi and excited nucleon states with the quantum numbers of N(1440) and N(1520).
C1 [Kubarovsky, V.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Voloshin, M. B.] Univ Minnesota, William I Fine Theoret Phys Inst, Minneapolis, MN 55455 USA.
[Voloshin, M. B.] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA.
[Voloshin, M. B.] Inst Theoret & Expt Phys, Moscow 117218, Russia.
RP Kubarovsky, V (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
FU U.S. Department of Energy [DE-SC0011842]; United States Department of
Energy [DE-AC05-06OR23177]
FX The work of M. B. V. is supported in part by U.S. Department of Energy
Grant No. DE-SC0011842. The work of V. K. is supported by the U.S.
Department of Energy. The Jefferson Science Associates (JSA) operates
the Thomas Jefferson National Accelerator Facility for the United States
Department of Energy under Contract No. DE-AC05-06OR23177.
NR 20
TC 40
Z9 40
U1 0
U2 1
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
EI 1550-2368
J9 PHYS REV D
JI Phys. Rev. D
PD AUG 28
PY 2015
VL 92
IS 3
AR 031502
DI 10.1103/PhysRevD.92.031502
PG 4
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA CQ0LG
UT WOS:000360286800001
ER
PT J
AU Watanabe, K
Xiao, BW
Yuan, F
Zaslavsky, D
AF Watanabe, Kazuhiro
Xiao, Bo-Wen
Yuan, Feng
Zaslavsky, David
TI Implementing the exact kinematical constraint in the saturation
formalism
SO PHYSICAL REVIEW D
LA English
DT Article
ID P-PB COLLISIONS; TRANSVERSE-MOMENTUM; PARTICLE-PRODUCTION; CGC
PREDICTIONS; LHC; PLUS; SINGULARITY; EVOLUTION; RAPIDITY; TEV
AB We revisit the issue of the large negative next-to-leading-order (NLO) cross section for single inclusive hadron production in pA collisions in the saturation formalism. By implementing the exact kinematical constraint in the modified dipole splitting functions, two additional positive NLO correction terms are obtained. In the asymptotic large-k(perpendicular to). limit, we analytically show that these two terms become as large as the negative NLO contributions found in our previous calculation. Furthermore, the numerical results demonstrate that the applicable regime of the saturation formalism can be extended to a larger k(perpendicular to) window, where the exact matching between the saturation formalism (in the asymptotic k(perpendicular to) regime) and the collinear factorization calculations will have to be performed separately. In addition, after significantly improving the numerical accuracy of the NLO correction, we obtain excellent agreement with the LHC and RHIC data for forward hadron productions.
C1 [Watanabe, Kazuhiro; Xiao, Bo-Wen; Zaslavsky, David] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.
[Watanabe, Kazuhiro; Xiao, Bo-Wen; Zaslavsky, David] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
[Yuan, Feng] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Zaslavsky, D (reprint author), Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.
EM david.zaslavsky@mailaps.org
OI Watanabe, Kazuhiro/0000-0002-7258-6966
FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics
[DE-A C02-05CH11231]
FX B. X. and D. Z. wish to thank the nuclear theory group at the Lawrence
Berkeley National Laboratory for hospitality and support during their
visit while this work was in preparation. D. Z. would also like to thank
the Penn State Institute for Cyber Science for computational resources
essential to the completion of this project. F. Y. is supported by the
U.S. Department of Energy, Office of Science, Office of Nuclear Physics,
under Contract No. DE-A C02-05CH11231. We thank T. Altinoluk, N.
Armesto, A. Kovner, A. Mueller and A. Stasto for stimulating discussion.
NR 74
TC 8
Z9 8
U1 0
U2 6
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
EI 1550-2368
J9 PHYS REV D
JI Phys. Rev. D
PD AUG 28
PY 2015
VL 92
IS 3
AR 034026
DI 10.1103/PhysRevD.92.034026
PG 15
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA CQ0LG
UT WOS:000360286800003
ER
PT J
AU Kulasinski, K
Guyer, R
Derome, D
Carmeliet, J
AF Kulasinski, Karol
Guyer, Robert
Derome, Dominique
Carmeliet, Jan
TI Poroelastic model for adsorption-induced deformation of biopolymers
obtained from molecular simulations
SO PHYSICAL REVIEW E
LA English
DT Article
ID GROMOS FORCE-FIELD; SYNCHROTRON X-RAY; AMORPHOUS STATE; MICROPOROUS
MATERIALS; CONFORMATIONAL-ANALYSIS; FIBER DIFFRACTION; CELLULOSE;
MOISTURE; CRYSTALLINE; WATER
AB Molecular simulation of adsorption of water molecules in nanoporous amorphous biopolymers, e.g., cellulose, reveals nonlinear swelling and nonlinear mechanical response with the increase in fluid content. These nonlinearities result from hydrogen bond breakage by water molecules. Classical poroelastic models, employing porosity and pore pressure as basic variables for describing the "pore fluid," are not adequate for the description of these systems. There is neither a static geometric structure to which porosity can sensibly be assigned nor arrangements of water molecules that are adequately described by giving them a pressure. We employ molar concentration of water and chemical potential to describe the state of the "pore fluid" and stress-strain as mechanical variables. A thermodynamic description is developed using a model energy function having mechanical, fluid, and fluid-mechanical coupling contributions. The parameters in this model energy are fixed by the output of the initial simulation and validated with the results of further simulation. The poroelastic properties, e.g., swelling and mechanical response, are found to be functions both of the molar concentration of water and the stress. The basic fluid-mechanical coupling coefficient, the swelling coefficient, depends on the molar concentration of water and stress and is interpreted in terms of porosity change and solid matrix deformation. The difference between drained and undrained bulk stiffness is explained as is the dependence of these moduli on concentration and stress.
C1 [Kulasinski, Karol; Carmeliet, Jan] ETH, Swiss Fed Univ Technol, Chair Bldg Phys, CH-8093 Zurich, Switzerland.
[Kulasinski, Karol; Derome, Dominique; Carmeliet, Jan] Empa, Swiss Fed Labs Mat Sci & Technol, Lab Multiscale Studies Bldg Phys, CH-8600 Dubendorf, Switzerland.
[Guyer, Robert] Los Alamos Natl Lab, Solid Earth Geophys Grp, Los Alamos, NM 87545 USA.
[Guyer, Robert] Univ Nevada, Dept Phys, Reno, NV 89557 USA.
RP Kulasinski, K (reprint author), ETH, Swiss Fed Univ Technol, Chair Bldg Phys, Stefano Franscini Pl 5, CH-8093 Zurich, Switzerland.
RI Kulasinski, Karol/R-6709-2016
OI Kulasinski, Karol/0000-0002-7704-7048
NR 44
TC 4
Z9 4
U1 1
U2 6
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1539-3755
EI 1550-2376
J9 PHYS REV E
JI Phys. Rev. E
PD AUG 28
PY 2015
VL 92
IS 2
AR 022605
DI 10.1103/PhysRevE.92.022605
PG 10
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA CQ0LX
UT WOS:000360288500006
PM 26382424
ER
PT J
AU Gorman, MG
Briggs, R
McBride, EE
Higginbotham, A
Arnold, B
Eggert, JH
Fratanduono, DE
Galtier, E
Lazicki, AE
Lee, HJ
Liermann, HP
Nagler, B
Rothkirch, A
Smith, RF
Swift, DC
Collins, GW
Wark, JS
McMahon, MI
AF Gorman, M. G.
Briggs, R.
McBride, E. E.
Higginbotham, A.
Arnold, B.
Eggert, J. H.
Fratanduono, D. E.
Galtier, E.
Lazicki, A. E.
Lee, H. J.
Liermann, H. P.
Nagler, B.
Rothkirch, A.
Smith, R. F.
Swift, D. C.
Collins, G. W.
Wark, J. S.
McMahon, M. I.
TI Direct Observation of Melting in Shock-Compressed Bismuth With
Femtosecond X-ray Diffraction
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID HIGH-PRESSURE; PHASE-TRANSITION; MAGNESIUM-OXIDE; LIQUID BISMUTH; OMEGA
LASER; TEMPERATURE; EQUATION; CRYSTAL; MATTER; STATE
AB The melting of bismuth in response to shock compression has been studied using in situ femtosecond x-ray diffraction at an x-ray free electron laser. Both solid-solid and solid-liquid phase transitions are documented using changes in discrete diffraction peaks and the emergence of broad, liquid scattering upon release from shock pressures up to 14 GPa. The transformation from the solid state to the liquid is found to occur in less than 3 ns, very much faster than previously believed. These results are the first quantitative measurements of a liquid material obtained on shock release using x-ray diffraction, and provide an upper limit for the time scale of melting of bismuth under shock loading.
C1 [Gorman, M. G.; Briggs, R.; McBride, E. E.; McMahon, M. I.] Univ Edinburgh, Sch Phys & Astron, SUPA, Edinburgh EH9 3FD, Midlothian, Scotland.
[Gorman, M. G.; Briggs, R.; McBride, E. E.; McMahon, M. I.] Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh EH9 3FD, Midlothian, Scotland.
[McBride, E. E.; Liermann, H. P.; Rothkirch, A.] DESY Photon Sci, D-22607 Hamburg, Germany.
[Higginbotham, A.; Wark, J. S.] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England.
[Arnold, B.; Galtier, E.; Lee, H. J.; Nagler, B.] SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.
[Eggert, J. H.; Fratanduono, D. E.; Lazicki, A. E.; Smith, R. F.; Swift, D. C.; Collins, G. W.] Lawrence Livermore Natl Lab, Livermore, CA 94500 USA.
RP Gorman, MG (reprint author), Univ Edinburgh, Sch Phys & Astron, SUPA, Edinburgh EH9 3FD, Midlothian, Scotland.
RI McMahon, Malcolm/D-9765-2012
FU EPSRC [EP/J017256/1]; U.S. Department of Energy by Lawrence Livermore
National Laboratory [DE-AC52-07NA27344]; U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515];
U.S. Department of Energy, Office of Science, Office of Fusion Energy
Sciences [SF00515]
FX M. I. M. and J. S. W. would like to acknowledge support from EPSRC under
Grant No. EP/J017256/1. The work by J. H. E., D. E. F., A. E. L., R. F.
S., D. C. S., and G. W. C. was performed under the auspices of the U.S.
Department of Energy by Lawrence Livermore National Laboratory under
Contract DE-AC52-07NA27344. We thank D. Milathianaki and C. Bolme for
their help during the experiment with target chamber setup and
calibration of the VISAR system. We also thank S. McWilliams for useful
discussions and contributions in preparation of the manuscript. Use of
the Linac Coherent Light Source (LCLS), SLAC National Accelerator
Laboratory, is supported by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences under Contract No.
DE-AC02-76SF00515. The MEC instrument is supported by the U.S.
Department of Energy, Office of Science, Office of Fusion Energy
Sciences under Contract No. SF00515.
NR 38
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD AUG 28
PY 2015
VL 115
IS 9
AR 095701
DI 10.1103/PhysRevLett.115.095701
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ0MA
UT WOS:000360289000011
PM 26371663
ER
PT J
AU Ilan, R
de Juan, F
Moore, JE
AF Ilan, Roni
de Juan, Fernando
Moore, Joel E.
TI Spin-Based Mach-Zehnder Interferometry in Topological Insulator p-n
Junctions
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SURFACE-STATES; GRAPHENE; LIMIT; FIELD
AB Transport in three-dimensional topological insulators relies on the existence of a spin-momentum locked surface state that encloses the insulating bulk. In this work we show how, in a topological insulator p-n junction, a magnetic field turns this surface state into an electronic Mach-Zehnder interferometer. Transmission of the junction can be tuned from zero to unity, resulting in virtually perfect visibility of the interference pattern, and the reflected and transmitted currents carry opposite spin polarization so that the junction also acts as a spin filter. Our setup therefore realizes a novel and highly tunable spintronic device where the effects of spin-momentum locking in topological insulator surface states can be probed directly in a transport experiment.
C1 [Ilan, Roni; de Juan, Fernando; Moore, Joel E.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[de Juan, Fernando; Moore, Joel E.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Ilan, R (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM rilan@berkeley.edu
RI de Juan, Fernando/B-9392-2008; Moore, Joel/O-4959-2016
OI de Juan, Fernando/0000-0001-6852-1484; Moore, Joel/0000-0002-4294-5761
FU DARPA FENA; AFOSR MURI; NSF [DMR-1206515]; Simons Foundation
FX The authors are indebted to Yong P. Chen and Yang Xu for invaluable
discussions. We also thank Ashvin Viswanath, Adolfo Grushin, and Jens
Bardarson for useful comments on the manuscript. The authors also
acknowledge funding from DARPA FENA (R. I.), AFOSR MURI (F. d. J), NSF
DMR-1206515, and Simons Foundation (J. E. M.).
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD AUG 28
PY 2015
VL 115
IS 9
AR 096802
DI 10.1103/PhysRevLett.115.096802
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ0MA
UT WOS:000360289000015
PM 26371673
ER
PT J
AU Kehlberger, A
Ritzmann, U
Hinzke, D
Guo, EJ
Cramer, J
Jakob, G
Onbasli, MC
Kim, DH
Ross, CA
Jungfleisch, MB
Hillebrands, B
Nowak, U
Klaui, M
AF Kehlberger, Andreas
Ritzmann, Ulrike
Hinzke, Denise
Guo, Er-Jia
Cramer, Joel
Jakob, Gerhard
Onbasli, Mehmet C.
Kim, Dong Hun
Ross, Caroline A.
Jungfleisch, Matthias B.
Hillebrands, Burkard
Nowak, Ulrich
Klaeui, Mathias
TI Length Scale of the Spin Seebeck Effect
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID INSULATOR; YTTRIUM; IRON
AB We investigate the origin of the spin Seebeck effect in yttrium iron garnet (YIG) samples for film thicknesses from 20 nm to 50 mu m at room temperature and 50 K. Our results reveal a characteristic increase of the longitudinal spin Seebeck effect amplitude with the thickness of the insulating ferrimagnetic YIG, which levels off at a critical thickness that increases with decreasing temperature. The observed behavior cannot be explained as an interface effect or by variations of the material parameters. Comparison to numerical simulations of thermal magnonic spin currents yields qualitative agreement for the thickness dependence resulting from the finite magnon propagation length. This allows us to trace the origin of the observed signals to genuine bulk magnonic spin currents due to the spin Seebeck effect ruling out an interface origin and allowing us to gauge the reach of thermally excited magnons in this system for different temperatures. At low temperature, even quantitative agreement with the simulations is found.
C1 [Kehlberger, Andreas; Guo, Er-Jia; Cramer, Joel; Jakob, Gerhard; Klaeui, Mathias] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany.
[Ritzmann, Ulrike; Hinzke, Denise; Nowak, Ulrich] Univ Konstanz, Dept Phys, D-78457 Constance, Germany.
[Onbasli, Mehmet C.; Kim, Dong Hun; Ross, Caroline A.] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA.
[Jungfleisch, Matthias B.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Nowak, Ulrich; Klaeui, Mathias] Tech Univ Kaiserslautern, Fachbereich Phys & Landesforschungszentrum OPTIMA, D-67663 Kaiserslautern, Germany.
[Kehlberger, Andreas; Klaeui, Mathias] Grad Sch Mat Sci Mainz, D-55128 Mainz, Germany.
RP Kehlberger, A (reprint author), Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany.
RI Jakob, Gerhard/D-8978-2013; Klaui, Mathias/B-6972-2009; Jungfleisch,
Matthias Benjamin/G-1069-2015; Guo, Er-Jia/F-5229-2012; Hillebrands,
Burkard/C-6242-2008
OI Jakob, Gerhard/0000-0001-9466-0840; Klaui, Mathias/0000-0002-4848-2569;
Jungfleisch, Matthias Benjamin/0000-0001-8204-3677; Guo,
Er-Jia/0000-0001-5702-225X; Hillebrands, Burkard/0000-0001-8910-0355
FU Deutsche Forschungsgemeinschaft (DFG) [SPP 1538, SFB 767]; Deutsche
Forschungsgemeinschaft (DFG) via Graduate School of Excellence Materials
Science in Mainz (MAINZ) [GSC 266]; German Ministry for Education and
Science "Mainz-MIT Seed Fund" [BMBF 01DM12012]; Department of Energy
[DE-SC0001299]; National Science Foundation [ECCS1231392]; FAME, one of
six centers of STARnet, a Semiconductor Research Corporation program -
MARCO; FAME, one of six centers of STARnet, a Semiconductor Research
Corporation program - DARPA; CMSE, NSF MRSEC award [DMR1419807]
FX The authors would like to thank Sebastian Gonnenwein and Rudolf Gross
from the Walther-Meissner-Institute for valuable discussions and the
Deutsche Forschungsgemeinschaft (DFG) for financial support via SPP 1538
"Spin Caloric Transport," the Graduate School of Excellence Materials
Science in Mainz (MAINZ) GSC 266 and the SFB 767 "Controlled
Nanosystems: Interaction and Interfacing to the Macroscale" in Konstanz,
the German Ministry for Education and Science "Mainz-MIT Seed Fund"
(BMBF 01DM12012), the EU (IFOX, NMP3-LA-2012246102, INSPIN
FP7-ICT-2013-X 612759, MASPIC, ERC-2007-StG 208162) the MIT Solid-State
Solar-Thermal Energy Conversion Center (S3TEC) supported by the
Department of Energy (synthesis of samples), DE-SC0001299 and the
National Science Foundation award ECCS1231392. This work was supported
in part by FAME, one of six centers of STARnet, a Semiconductor Research
Corporation program sponsored by MARCO and DARPA. Shared experimental
facilities of CMSE, NSF MRSEC award DMR1419807, were used.
NR 36
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD AUG 28
PY 2015
VL 115
IS 9
AR 096602
DI 10.1103/PhysRevLett.115.096602
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ0MA
UT WOS:000360289000013
PM 26371671
ER
PT J
AU Kugler, M
Brandl, G
Waizner, J
Janoschek, M
Georgii, R
Bauer, A
Seemann, K
Rosch, A
Pfleiderer, C
Boni, P
Garst, M
AF Kugler, M.
Brandl, G.
Waizner, J.
Janoschek, M.
Georgii, R.
Bauer, A.
Seemann, K.
Rosch, A.
Pfleiderer, C.
Boeni, P.
Garst, M.
TI Band Structure of Helimagnons in MnSi Resolved by Inelastic Neutron
Scattering
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID NON-FERMI-LIQUID; CHIRAL MAGNET; SKYRMIONS
AB A magnetic helix realizes a one-dimensional magnetic crystal with a period given by the pitch length lambda(h). Its spin-wave excitations-the helimagnons-experience Bragg scattering off this periodicity, leading to gaps in the spectrum that inhibit their propagation along the pitch direction. Using high-resolution inelastic neutron scattering, the resulting band structure of helimagnons was resolved by preparing a single crystal of MnSi in a single magnetic-helix domain. At least five helimagnon bands could be identified that cover the crossover from flat bands at low energies with helimagnons basically localized along the pitch direction to dispersing bands at higher energies. In the low-energy limit, we find the helimagnon spectrum to be determined by a universal, parameter-free theory. Taking into account corrections to this low-energy theory, quantitative agreement is obtained in the entire energy range studied with the help of a single fitting parameter.
C1 [Kugler, M.; Brandl, G.; Georgii, R.; Bauer, A.; Seemann, K.; Pfleiderer, C.; Boeni, P.] Tech Univ Munich, Phys Dept E21, D-85748 Garching, Germany.
[Kugler, M.; Brandl, G.; Georgii, R.; Seemann, K.] Tech Univ Munich, Heinz Maier Leibnitz Zentrum MLZ, D-85748 Garching, Germany.
[Waizner, J.; Rosch, A.; Garst, M.] Univ Cologne, Inst Theoret Phys, D-50937 Cologne, Germany.
[Janoschek, M.] Los Alamos Natl Lab, Condensed Matter & Magnet Sci, Los Alamos, NM 87545 USA.
RP Kugler, M (reprint author), Tech Univ Munich, Phys Dept E21, D-85748 Garching, Germany.
EM mkugler@frm2.tum.de
RI Garst, Markus/B-6740-2012; Janoschek, Marc/M-8871-2015; Pfleiderer,
Christian/P-3575-2014; Rosch, Achim/A-2962-2009
OI Garst, Markus/0000-0001-5390-3316; Janoschek, Marc/0000-0002-2943-0173;
Rosch, Achim/0000-0002-6586-5721
FU DFG [GE971/5-1, TRR 80]; ERC [291079]; Los Alamos National Laboratory
Directed Research and Development program
FX We thank Reinhard Schwikowski, Andreas Mantwill, and the machine shop of
the FRM II for their technical support. We thank Sarah Dunsinger for
donating a sample holder and Tobias Weber for the extensive IT support.
This work was supported by the DFG under GE971/5-1 and TRR 80 and by ERC
grant 291079 (TOPFIT). M. J. was funded by the Los Alamos National
Laboratory Directed Research and Development program.
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD AUG 28
PY 2015
VL 115
IS 9
AR 097203
DI 10.1103/PhysRevLett.115.097203
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ0MA
UT WOS:000360289000017
PM 26371678
ER
PT J
AU Tresca, O
Dover, NP
Cook, N
Maharjan, C
Polyanskiy, MN
Najmudin, Z
Shkolnikov, P
Pogorelsky, I
AF Tresca, O.
Dover, N. P.
Cook, N.
Maharjan, C.
Polyanskiy, M. N.
Najmudin, Z.
Shkolnikov, P.
Pogorelsky, I.
TI Spectral Modification of Shock Accelerated Ions Using a Hydrodynamically
Shaped Gas Target
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ENERGY PROTON-BEAMS; LASER; ABSORPTION; SOLIDS
AB We report on reproducible shock acceleration from irradiation of lambda = 10 mu m CO2 laser on optically shaped H-2 and He gas targets. A low energy laser prepulse (I less than or similar to 10(14) W cm(-2)) is used to drive a blast wave inside the gas target, creating a steepened, variable density gradient. This is followed, after 25 ns, by a high intensity laser pulse (I > 10(16) Wcm(-2)) that produces an electrostatic collisionless shock. Upstream ions are accelerated for a narrow range of prepulse energies. For long density gradients (greater than or similar to 40 mu m), broadband beams of He+ and H+ are routinely produced, while for shorter gradients (less than or similar to 20 mu m), quasimonoenergetic acceleration of protons is observed. These measurements indicate that the properties of the accelerating shock and the resultant ion energy distribution, in particular the production of narrow energy spread beams, is highly dependent on the plasma density profile. These findings are corroborated by 2D particle-in-cell simulations.
C1 [Tresca, O.; Polyanskiy, M. N.; Pogorelsky, I.] Brookhaven Natl Lab, Accelerator Test Facil, Upton, NY 11973 USA.
[Dover, N. P.; Najmudin, Z.] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, John Adams Inst Accelerator Sci, London SW7 2BZ, England.
[Cook, N.; Maharjan, C.; Shkolnikov, P.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
RP Tresca, O (reprint author), Brookhaven Natl Lab, Accelerator Test Facil, Upton, NY 11973 USA.
RI Polyanskiy, Mikhail/E-8406-2010;
OI Dover, Nicholas/0000-0003-0420-3940
FU U.S. DOE [DE-AC02-98CH10886, DE-FG02-07ER41488, DE-AC02-05CH11231]; UK
EPSRC [EP/K022415/1]; BNL/LDRD [12-032]; DOE NNSA ASC; NSF; EPSRC
[EP/G054940/1, EP/G055165/1, EP/G056803/1]
FX This work was supported by U.S. DOE Contract No. DE-AC02-98CH10886, U.S.
DOE Grant No. DE-FG02-07ER41488, UK EPSRC Grant No. EP/K022415/1, and
BNL/LDRD Grant No. 12-032. FLASH was developed by the DOE NNSA ASC and
NSF-supported FCCS at the University of Chicago. EPOCH development was
supported by EPSRC Grants No. EP/G054940/1, No. EP/G055165/1, and No.
EP/G056803/1. Computing resources were provided by Imperial College HPC
services and NERSC (mp1401) supported by U.S. DOE Contract No.
DE-AC02-05CH11231.
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD AUG 28
PY 2015
VL 115
IS 9
AR 094802
DI 10.1103/PhysRevLett.115.094802
PG 5
WC Physics, Multidisciplinary
SC Physics
GA CQ0MA
UT WOS:000360289000008
PM 26371658
ER
PT J
AU Yao, YX
Liu, J
Liu, C
Lu, WC
Wang, CZ
Ho, KM
AF Yao, Y. X.
Liu, J.
Liu, C.
Lu, W. C.
Wang, C. Z.
Ho, K. M.
TI Efficient and accurate treatment of electron correlations with
Correlation Matrix Renormalization theory
SO SCIENTIFIC REPORTS
LA English
DT Article
ID MEAN-FIELD THEORY; DIRECT CONFIGURATION-INTERACTION; DENSITY-FUNCTIONAL
THEORY; MULTIPLE ACTIVE SPACES; VARIABLE OCCUPATIONS; SYSTEMS
AB We present an efficient method for calculating the electronic structure and total energy of strongly correlated electron systems. The method extends the traditional Gutzwiller approximation for one-particle operators to the evaluation of the expectation values of two particle operators in the many-electron Hamiltonian. The method is free of adjustable Coulomb parameters, and has no double counting issues in the calculation of total energy, and has the correct atomic limit. We demonstrate that the method describes well the bonding and dissociation behaviors of the hydrogen and nitrogen clusters, as well as the ammonia composed of hydrogen and nitrogen atoms. We also show that the method can satisfactorily tackle great challenging problems faced by the density functional theory recently discussed in the literature. The computational workload of our method is similar to the Hartree-Fock approach while the results are comparable to high-level quantum chemistry calculations.
C1 [Yao, Y. X.; Liu, J.; Liu, C.; Wang, C. Z.; Ho, K. M.] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
[Yao, Y. X.; Liu, J.; Liu, C.; Wang, C. Z.; Ho, K. M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Lu, W. C.] Jilin Univ, Inst Theoret Chem, State Key Lab Theoret & Computat Chem, Changchun 130021, Jilin, Peoples R China.
[Lu, W. C.] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Shandong, Peoples R China.
[Lu, W. C.] Qingdao Univ, Lab Fiber Mat & Modern Textile, Growing Base State Key Lab, Qingdao 266071, Shandong, Peoples R China.
RP Yao, YX (reprint author), Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
EM ykent@iastate.edu; jun.physics@gmail.com
FU U.S. Department of Energy (DOE) Office of Science, Basic Energy
Sciences, Materials Science and Engineering Division; National Energy
Research Scientific Computing Centre (NERSC) in Berkeley, CA; U.S. DOE
by Iowa State University [DE-AC02-07CH11358]
FX We are grateful to T. K. Ng, J. Schmalian, G. Kotliar, N. Lanata, S.
Trickey, M. Schmidt and K. Ruedenberg for useful discussions. This work
was supported by the U.S. Department of Energy (DOE), Office of Science,
Basic Energy Sciences, Materials Science and Engineering Division,
including the computer time support from the National Energy Research
Scientific Computing Centre (NERSC) in Berkeley, CA. The research was
performed at Ames Laboratory, which is operated for the U.S. DOE by Iowa
State University under contract # DE-AC02-07CH11358.
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PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 2045-2322
J9 SCI REP-UK
JI Sci Rep
PD AUG 28
PY 2015
VL 5
AR 13478
DI 10.1038/srep13478
PG 8
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CP9RN
UT WOS:000360232300001
PM 26315767
ER
PT J
AU Herath, N
Das, S
Keum, JK
Zhu, JH
Kumar, R
Ivanov, IN
Sumpter, BG
Browning, JF
Xiao, K
Gu, G
Joshi, P
Smith, S
Lauter, V
AF Herath, Nuradhika
Das, Sanjib
Keum, Jong K.
Zhu, Jiahua
Kumar, Rajeev
Ivanov, Ilia N.
Sumpter, Bobby G.
Browning, James F.
Xiao, Kai
Gu, Gong
Joshi, Pooran
Smith, Sean
Lauter, Valeria
TI Peculiarity of Two Thermodynamically-Stable Morphologies and Their
Impact on the Efficiency of Small Molecule Bulk Heterojunction Solar
Cells
SO SCIENTIFIC REPORTS
LA English
DT Article
ID PHOTOVOLTAIC PERFORMANCE; ORGANIC SEMICONDUCTORS; NANOSCALE MORPHOLOGY;
CHARGE-TRANSPORT; ACCEPTOR; DONOR; CRYSTALLIZATION; ADDITIVES; POLYMERS;
NETWORK
AB Structural characteristics of the active layers in organic photovoltaic (OPV) devices play a critical role in charge generation, separation and transport. Here we report on morphology and structural control of p-DTS(FBTTh2)(2):PC71BM films by means of thermal annealing and 1,8-diiodooctane (DIO) solvent additive processing, and correlate it to the device performance. By combining surface imaging with nanoscale depth-sensitive neutron reflectometry (NR) and X-ray diffraction, three-dimensional morphologies of the films are reconstituted with information extending length scales from nanometers to microns. DIO promotes the formation of a well-mixed donor-acceptor vertical phase morphology with a large population of small p-DTS(FBTTh2)(2) nanocrystals arranged in an elongated domain network of the film, thereby enhancing the device performance. In contrast, films without DIO exhibit three-sublayer vertical phase morphology with phase separation in agglomerated domains. Our findings are supported by thermodynamic description based on the Flory-Huggins theory with quantitative evaluation of pairwise interaction parameters that explain the morphological changes resulting from thermal and solvent treatments. Our study reveals that vertical phase morphology of small-molecule based OPVs is significantly different from polymer-based systems. The significant enhancement of morphology and information obtained from theoretical modeling may aid in developing an optimized morphology to enhance device performance for OPVs.
C1 [Herath, Nuradhika; Lauter, Valeria] Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA.
[Das, Sanjib; Gu, Gong] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA.
[Keum, Jong K.; Zhu, Jiahua; Kumar, Rajeev; Ivanov, Ilia N.; Sumpter, Bobby G.; Xiao, Kai] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Browning, James F.] Oak Ridge Natl Lab, Chem & Engn Mat Div, Oak Ridge, TN 37831 USA.
[Kumar, Rajeev; Sumpter, Bobby G.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Joshi, Pooran] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
[Smith, Sean] UNSW Australia, Sch Chem Engn, Sydney, NSW 2052, Australia.
RP Herath, N (reprint author), Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA.
EM herathnn@ornl.gov; lauterv@ornl.gov
RI Gu, Gong/L-5919-2015; Keum, Jong/N-4412-2015; Sumpter,
Bobby/C-9459-2013; Kumar, Rajeev/Q-2255-2015; Zhu, Jiahua/F-3204-2012;
Browning, James/C-9841-2016; Das, Sanjib/A-9255-2017
OI ivanov, ilia/0000-0002-6726-2502; Gu, Gong/0000-0002-3888-1427; Keum,
Jong/0000-0002-5529-1373; Sumpter, Bobby/0000-0001-6341-0355; Kumar,
Rajeev/0000-0001-9494-3488; Zhu, Jiahua/0000-0003-2889-3421; Browning,
James/0000-0001-8379-259X; Das, Sanjib/0000-0002-5281-4458
FU ORNL Laboratory Research and Development Program (LDRD) project;
Scientific User Facilities Division, Office of Basic Energy Sciences,
U.S. Department of Energy; U.S. Department of Energy
[DE-AC05-00OR22725]; Department of Energy
FX N.H., J.Z. P.J. acknowledge support of ORNL Laboratory Research and
Development Program (LDRD) project. This research was conducted at the
Center for Nanophase Materials Sciences and the Spallation Neutron
Source, which are sponsored by the Scientific User Facilities Division,
Office of Basic Energy Sciences, U.S. Department of Energy. N.H. thanks
Artur Glavic, Haile Ambaye and Richard Goyette for a partial assistance
during the NR measurements. This manuscript has been authored by
UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S.
Department of Energy. The Department of Energy will provide public
access to these results of federally sponsored research in accordance
with the DOE Public Access Plan
(http://energy.gov/downloads/doe-public-access-plan).
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PI LONDON
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SN 2045-2322
J9 SCI REP-UK
JI Sci Rep
PD AUG 28
PY 2015
VL 5
AR 13407
DI 10.1038/srep13407
PG 12
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CP9TB
UT WOS:000360236400001
PM 26315070
ER
PT J
AU Kevrekidis, PG
Horne, RL
Whitaker, N
Hoq, QE
Kip, D
AF Kevrekidis, P. G.
Horne, R. L.
Whitaker, N.
Hoq, Q. E.
Kip, D.
TI Bright discrete solitons in spatially modulated DNLS systems
SO JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
LA English
DT Article
DE bright solitons; nonlinear dynamical lattices; DNLS equation;
inhomogeneous nonlinearity
ID WAVE-GUIDE ARRAYS; INHOMOGENEOUS DEFOCUSING NONLINEARITY; INTRINSIC
LOCALIZED MODES; VORTEX SOLITONS; LATTICES; BREATHERS; DYNAMICS;
STABILITY; EXISTENCE
AB In the present work, we revisit the highly active research area of inhomogeneously nonlinear defocusing media and consider the existence, spectral stability and nonlinear dynamics of bright solitary waves in them. We use the anti-continuum limit of vanishing coupling as the starting point of our analysis, enabling in this way a systematic characterization of the branches of solutions. Our stability findings and bifurcation characteristics reveal the enhanced robustness and wider existence intervals of solutions with a broader support, culminating in the 'extended' solution in which all sites are excited. Our eigenvalue predictions are corroborated by numerical linear stability analysis. Finally, the dynamics also reveal a tendency of the solution profiles to broaden, in line with the above findings. These results pave the way for further explorations of such states in discrete systems, including in higher dimensional settings.
C1 [Kevrekidis, P. G.; Whitaker, N.] Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA.
[Kevrekidis, P. G.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87544 USA.
[Kevrekidis, P. G.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87544 USA.
[Horne, R. L.] Morehouse Coll, Dept Math, Atlanta, GA 30314 USA.
[Hoq, Q. E.] Western New England Univ, Dept Math, Springfield, MA 01119 USA.
[Kip, D.] Helmut Schmidt Univ, Fac Elect Engn, D-22043 Hamburg, Germany.
RP Kevrekidis, PG (reprint author), Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA.
EM kevrekid@math.umass.edu
FU AFOSR [FA9550-12-1-0332]; Binational Science Foundation [2010239];
Alexander von Humboldt Foundation; ERC under FP7, Marie Curie Actions,
People, International Research Staff Exchange Scheme [IRSES-605096];
U.S. Department of Energy; DFG [Ki482/16-1]; [NSF-DMS-0806762];
[NSF-DMS-1312856]; [NSF-CMMI-1000337]
FX We gratefully acknowledge the support of NSF-DMS-0806762 and
NSF-DMS-1312856, NSF-CMMI-1000337, as well as from the AFOSR under grant
FA9550-12-1-0332, the Binational Science Foundation under grant 2010239,
from the Alexander von Humboldt Foundation and the ERC under FP7, Marie
Curie Actions, People, International Research Staff Exchange Scheme
(IRSES-605096). PGK's work at Los Alamos is supported in part by the
U.S. Department of Energy. D K acknowledges support from DFG Ki482/16-1.
NR 43
TC 0
Z9 0
U1 0
U2 12
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1751-8113
EI 1751-8121
J9 J PHYS A-MATH THEOR
JI J. Phys. A-Math. Theor.
PD AUG 28
PY 2015
VL 48
IS 34
AR 345201
DI 10.1088/1751-8113/48/34/345201
PG 16
WC Physics, Multidisciplinary; Physics, Mathematical
SC Physics
GA CP1WQ
UT WOS:000359668500007
ER
PT J
AU Vafabakhsh, R
Levitz, J
Isacoff, EY
AF Vafabakhsh, Reza
Levitz, Joshua
Isacoff, Ehud Y.
TI Conformational dynamics of a class C G-protein-coupled receptor
SO NATURE
LA English
DT Article
ID METABOTROPIC GLUTAMATE RECEPTORS; LIGAND-INDUCED REARRANGEMENT;
SINGLE-MOLECULE FRET; STRUCTURAL BASIS; ACTIVATION; TRAJECTORIES;
PHARMACOLOGY; DOMAIN; STATE
AB G-protein-coupled receptors (GPCRs) constitute the largest family of membrane receptors in eukaryotes. Crystal structures have provided insight into GPCR interactions with ligands and G proteins(1,2), but our understanding of the conformational dynamics of activation is incomplete. Metabotropic glutamate receptors (mGluRs) are dimeric class C GPCRs that modulate neuronal excitability, synaptic plasticity, and serve as drug targets for neurological disorders(3,4). A 'clamshell' ligand-binding domain (LBD), which contains the ligand-binding site, is coupled to the transmembrane domain via a cysteine-rich domain, and LBD closure seems to be the first step in activation(5,6). Crystal structures of isolated mGluR LBD dimers led to the suggestion that activation also involves a reorientation of the dimer interface from a 'relaxed' to an 'active' state(7,8), but the relationship between ligand binding, LBD closure and dimer interface rearrangement in activation remains unclear. Here we use single-molecule fluorescence resonance energy transfer to probe the activation mechanism of full-length mammalian group II mGluRs. We show that the LBDs interconvert between three conformations: resting, activated and a short-lived intermediate state. Orthosteric agonists induce transitions between these conformational states, with efficacy determined by occupancy of the active conformation. Unlike mGluR2, mGluR3 displays basal dynamics, which are Ca2+-dependent and lead to basal protein activation. Our results support a general mechanism for the activation of mGluRs in which agonist binding induces closure of the LBDs, followed by dimer interface reorientation. Our experimental strategy should be widely applicable to study conformational dynamics in GPCRs and other membrane proteins.
C1 [Vafabakhsh, Reza; Levitz, Joshua; Isacoff, Ehud Y.] Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA.
[Isacoff, Ehud Y.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
[Isacoff, Ehud Y.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Isacoff, EY (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA.
EM ehud@berkeley.edu
FU National Institutes of Health Nanomedicine Development Center for the
Optical Control of Biological Function [2PN2EY018241]; National Science
Foundation (EAGER) [IOS-1451027]
FX We thank Z. Fu and H. Okada for technical assistance, J. P. Pin for
generously providing the SNAP-and CLIP-tagged mGluRs and advice on their
properties, and J. P. Pin, E. Margeat, P. Rondard, A. Jain, A. Reiner
and members of the Isacoff laboratory for discussions. Funding was
provided by the National Institutes of Health Nanomedicine Development
Center for the Optical Control of Biological Function (2PN2EY018241) and
the National Science Foundation (EAGER: IOS-1451027). R.V. is a Merck
fellow of the Life Science Research Foundation.
NR 32
TC 21
Z9 21
U1 9
U2 45
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
EI 1476-4687
J9 NATURE
JI Nature
PD AUG 27
PY 2015
VL 524
IS 7566
BP 497
EP +
DI 10.1038/nature14679
PG 17
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA DF8BT
UT WOS:000371582600001
PM 26258295
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Abdallah, J
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CA ATLAS Collaboration
TI Study of (W/Z)H production and Higgs boson couplings using H -> WW*
decays with the ATLAS detector
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Hadron-Hadron Scattering; Higgs physics
ID LHC; MASS
AB A search for Higgs boson production in association with a W or Z boson, in the H -> WW* decay channel, is performed with a data sample collected with the ATLAS detector at the LHC in proton-proton collisions at centre-of-mass energies root s = 7 TeV and 8TeV, corresponding to integrated luminosities of 4.5 fb(-1) and 20.3 fb(-1), respectively. The W H production mode is studied in two-lepton and three-lepton final states, while twolepton and four-lepton final states are used to search for the ZH production mode. The observed significance, for the combined WH and ZH production, is 2.5 standard deviations while a significance of 0.9 standard deviations is expected in the Standard Model Higgs boson hypothesis. The ratio of the combined W H and Z H signal yield to the Standard Model expectation, mu(VH), is found to be mu(VH) = 3.0(-1.1)(+1.3)(stat.)(-0.7)(+1.0) (sys.) for the Higgs boson mass of 125.36 GeV. The WH and ZH production modes are also combined with the gluon fusion and vector boson fusion production modes studied in the H -> WW* -> l nu l nu decay channel, resulting in an overall observed significance of 6.5 standard deviations and mu F-gg+VBF+VH = 1.16(-0.15)(+0.16)(stat.)(-0.15)(+0.18)(sys.). The results are interpreted in terms of scaling factors of the Higgs boson couplings to vector bosons (kappa(V)) and fermions (kappa(F)); the combined results are: vertical bar kappa(V)vertical bar = 1.06(-0.10)(+0.10), vertical bar kappa(F)vertical bar = 0.85(-0.20)(+0.26)
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[Cetin, S. A.] Dogus Univ, Dept Phys, Istanbul, Turkey.
[Beddall, A. J.; Beddall, A.; Bingul, A.] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey.
[Alberghi, G. L.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Bruschi, M.; Corradi, M.; De Castro, S.; Fabbri, L.; Franchini, M.; Gabrielli, A.; Giacobbe, B.; Giorgi, F. M.; Grafstroem, P.; Manghi, F. Lasagni; Massa, I.; Massa, L.; Mengarelli, A.; Negrini, M.; Piccinini, M.; Polini, A.; Rinaldi, L.; Romano, M.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Sidoti, A.; Spighi, R.; Tupputi, S. A.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy.
[Alberghi, G. L.; De Castro, S.; Fabbri, L.; Franchini, M.; Gabrielli, A.; Grafstroem, P.; Manghi, F. Lasagni; Massa, I.; Massa, L.; Mengarelli, A.; Piccinini, M.; Romano, M.; Sbrizzi, A.; Semprini-Cesari, N.; Sidoti, A.; Tupputi, S. A.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy.
[Arslan, O.; Bechtle, P.; Bernlochner, F. U.; Brock, I.; Cioara, I. A.; Cristinziani, M.; Davey, W.; Desch, K.; Dingfelder, J.; Ehrenfeld, W.; Gaycken, G.; Geich-Gimbel, Ch.; Gonella, L.; Haefner, P.; Hageboeck, S.; Hansen, M. C.; Hellmich, D.; Hohn, D.; Huegging, F.; Janssen, J.; Kostyukhin, V. V.; Kraus, J. K.; Kroseberg, J.; Krueger, H.; Lenz, T.; Leyko, A. M.; Liebal, J.; Limbach, C.; Mergelmeyer, S.; Mijovic, L.; Mueller, K.; Obermann, T.; Pohl, D.; Ricken, O.; Sarrazin, B.; Schaepe, S.; Schopf, E.; Schultens, M. J.; Schwindt, T.; Scutti, F.; Seema, P.; Stillings, J. A.; Tannoury, N.; Therhaag, J.; Uhlenbrock, M.; Velz, T.; von Toerne, E.; Wagner, P.; Wang, T.; Wermes, N.; Wienemann, P.; Wiik-Fuchs, L. A. M.; Winter, B. T.; Wong, K. H. Yau] Univ Bonn, Inst Phys, Bonn, Germany.
[Ahlen, S. P.; Bernard, C.; Black, K. M.; Butler, J. M.; Dell'Asta, L.; Helary, L.; Kruskal, M.; Long, B. A.; Shank, J. T.; Yan, Z.; Youssef, S.] Boston Univ, Dept Phys, Boston, MA 02215 USA.
[Amelung, C.; Amundsen, G.; Artoni, G.; Bensinger, J. R.; Bianchini, L.; Blocker, C.; Coffey, L.; Dhaliwal, S.; Fitzgerald, E. A.; Sciolla, G.; Venturini, A.; Zengel, K.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA.
[Amaral Coutinho, Y.; Caloba, L. P.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Seixas, J. M.] Univ Fed Rio de Janeiro, COPPE, EE, IF, Rio De Janeiro, Brazil.
[Cerqueira, A. S.; Manhaes de Andrade Filho, L.] Univ Fed Juiz de Fora, Elect Circuits Dept, Juiz de Fora, Brazil.
[do Vale, M. A. B.] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil.
[Donadelli, M.; La Rosa Navarro, J. L.; Leite, M. A. L.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil.
[Adams, D. L.; Assamagan, K.; Begel, M.; Buttinger, W.; Chen, H.; Chernyatin, V.; Debbe, R.; Ernst, M.; Gibbard, B.; Gordon, H. A.; Iakovidis, G.; Klimentov, A.; Kouskoura, V.; Kravchenko, A.; Lanni, F.; Lissauer, D.; Lynn, D.; Ma, H.; Maeno, T.; Metcalfe, J.; Mountricha, E.; Nevski, P.; Nilsson, P.; Damazio, D. Oliveira; Paige, F.; Panitkin, S.; Perepelitsa, D. V.; Pleier, M. -A.; Polychronakos, V.; Protopopescu, S.; Purohit, M.; Radeka, V.; Rajagopalan, S.; Redlinger, G.; Snyder, S.; Steinberg, P.; Takai, H.; Undrus, A.; Wenaus, T.; Ye, S.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Alexa, C.; Boldea, V.; Buda, S. I.; Caprini, I.; Caprini, M.; Chitan, A.; Ciubancan, M.; Constantinescu, S.; Dita, P.; Dita, S.; Dobre, M.; Ducu, O. A.; Jinaru, A.; Martoiu, V. S.; Maurer, J.; Olariu, A.; Pantea, D.; Rotaru, M.; Stoicea, G.; Tudorache, A.; Tudorache, V.] Natl Inst Phys & Nucl Engn, Bucharest, Romania.
[Popeneciu, G. A.] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania.
Univ Politehn Bucuresti, Bucharest, Romania.
West Univ Timisoara, Timisoara, Romania.
[Otero y Garzon, G.; Piegaia, R.; Reisin, H.; Sacerdoti, S.] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina.
[Arratia, M.; Barlow, N.; Batley, J. R.; Brochu, F. M.; Carter, J. R.; Chapman, J. D.; Cottin, G.; French, S. T.; Gillam, T. P. S.; Hill, J. C.; Kaneti, S.; Khoo, T. J.; Lester, C. G.; Mueller, T.; Parker, M. A.; Robinson, D.; Thomson, M.; Ward, C. P.; Yusuff, I.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
[Bellerive, A.; Cree, G.; Di Valentino, D.; Koffas, T.; Lacey, J.; Leight, W. A.; McCarthy, T. G.; Nomidis, I.; Oakham, F. G.; Pasztor, G.; Tarrade, F.; Ueno, R.; Vincter, M. G.; Whalen, K.] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada.
[Abreu, R.; Aleksa, M.; Gonzalez, B. Alvarez; Andari, N.; Anders, G.; Anghinolfi, F.; Armbruster, A. J.; Arnaez, O.; Avolio, G.; Baak, M. A.; Backes, M.; Backhaus, M.; Barak, L.; Beltramello, O.; Bianco, M.; Bogaerts, J. A.; Boveia, A.; Boyd, J.; Burckhart, H.; Campana, S.; Garrido, M. D. M. Capeans; Carli, T.; Catinaccio, A.; Cattai, A.; Cerv, M.; Chromek-Burckhart, D.; Conti, G.; Dell'Acqua, A.; Deviveiros, P. O.; Di Girolamo, A.; Di Girolamo, B.; Dittus, F.; Dobos, D.; Dudarev, A.; Duehrssen, M.; Eifert, T.; Ellis, N.; Elsing, M.; Farthouat, P.; Fassnacht, P.; Feigl, S.; Perez, S. Fernandez; Francis, D.; Froidevaux, D.; Gillberg, D.; Glatzer, J.; Goossens, L.; Gorini, B.; Gray, H. M.; Hawkings, R. J.; Helsens, C.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Hubacek, Z.; Huhtinen, M.; Iengo, P.; Jaekel, M. R.; Jakobsen, S.; Jenni, P.; Kaneda, M.; Klioutchnikova, T.; Krasznahorkay, A.; Lantzsch, K.; Lapoire, C.; Lassnig, M.; Miotto, G. Lehmann; Lenzi, B.; Lichard, P.; Macina, D.; Malyukov, S.; Mandelli, B.; Mapelli, L.; Marzin, A.; Milic, A.; Mornacchi, G.; Nairz, A. M.; Nakahama, Y.; Nessi, M.; Nicquevert, B.; Nordberg, M.; Oide, H.; Palestini, S.; Pauly, T.; Pernegger, H.; Peters, K.; Petersen, B. A.; Pommes, K.; Poppleton, A.; Poulard, G.; Poveda, J.; Prasad, S.; Rammensee, M.; Raymond, M.; Rembser, C.; Roe, S.; Ruiz-Martinez, A.; Salzburger, A.; Schaefer, D.; Schlenker, S.; Schmieden, K.; Serfon, C.; Sfyrla, A.; Solans, C. A.; Spigo, G.; Stelzer, H. J.; Teischinger, F. A.; Ten Kate, H.; Tremblet, L.; Tricoli, A.; Tsarouchas, C.; Unal, G.; van Woerden, M. C.; Vandelli, W.; Vigne, R.; Voss, R.; Vuillermet, R.; Wells, P. S.; Wengler, T.; Wenig, S.; Werner, P.; Wilkens, H. G.; Wotschack, J.; Young, C. J. S.; Zwalinski, L.] CERN, Geneva, Switzerland.
[Alison, J.; Anderson, K. J.; Cheng, Y.; Dandoy, J. R.; Facini, G.; Fiascaris, M.; Gardner, R. W.; Ilchenko, Y.; Kapliy, A.; Kim, Y.; Krizka, K.; Merritt, F. S.; Miller, D. W.; Narayan, R.; Okumura, Y.; Onyisi, P. U. E.; Oreglia, M. J.; Penning, B.; Pilcher, J. E.; Saxon, J.; Shochet, M. J.; Vukotic, I.; Webster, J. S.; Wu, M.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Carquin, E.; Diaz, M. A.; Ochoa-Ricoux, J. P.; Vogel, M.] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile.
[Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.; White, R.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile.
[Bai, Y.; Fang, Y.; Jin, S.; Lou, X.; Ouyang, Q.; Ren, H.; Shan, L. Y.; Sun, X.; Wang, J.; Xu, D.; Yao, L.; Zhu, H.; Zhuang, X.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
[Gao, J.; Guan, L.; Han, L.; Hu, Q.; Jiang, Y.; Li, B.; Liu, J. B.; Liu, M.; Liu, Y.; Peng, H.; Song, H. Y.; Xu, L.; Zhang, R.; Zhao, Z.; Zhu, Y.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China.
[Chen, S.; Li, Y.; Wang, C.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China.
[Chen, L.; Feng, C.; Ge, P.; Liu, B.; Ma, L. L.; Zhang, X.; Zhao, Y.; Zhu, C. G.] Shandong Univ, Sch Phys, Jinan, Shandong, Peoples R China.
[Guo, J.; Li, L.; Yang, H.] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200030, Peoples R China.
[Chen, X.] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
[Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Univ Clermont Ferrand, Lab Phys Corpusculaire, Clermont Ferrand, France.
[Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Univ Clermont Ferrand, Clermont Ferrand, France.
[Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] CNRS, IN2P3, Clermont Ferrand, France.
[Alkire, S. P.; Altheimer, A.; Andeen, T.; Angerami, A.; Bain, T.; Brooijmans, G.; Cole, B.; Hu, D.; Hughes, E. W.; Iordanidou, K.; Klein, M. H.; Mohapatra, S.; Nikiforou, N.; Parsons, J. A.; Smith, M. N. K.; Thompson, E. N.; Tuts, P. M.; Zhou, L.] Columbia Univ, Nevis Lab, Irvington, NY USA.
[Alonso, A.; Dam, M.; Galster, G.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Joergensen, M. D.; Loevschall-Jensen, A. E.; Monk, J.; Mortensen, S. S.; Pedersen, L. E.; Petersen, T. C.; Pingel, A.; Wiglesworth, C.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
[Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Ist Nazl Fis Nucl, Grp Collegato Cosenza, Lab Nazl Frascati, Arcavacata Di Rende, Italy.
[Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy.
[Adamczyk, L.; Bold, T.; Dabrowski, W.; Dyndal, M.; Grabowska-Bold, I.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Przybycien, M.; Zemla, A.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland.
[Palka, M.; Richter-Was, E.] Jagiellonian Univ, Marian Smoluchowski Inst Phys, Krakow, Poland.
[Banas, E.; De Renstrom, P. A. Bruckman; Chwastowski, J. J.; Derendarz, D.; Godlewski, J.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa; Olszewski, A.; Olszowska, J.; Stanecka, E.; Staszewski, R.; Trzebinski, M.; Trzupek, A.; Wolter, M. W.; Wosiek, B. K.; Wozniak, K. W.; Zabinski, B.] Polish Acad Sci, Inst Nucl Phys, Krakow, Poland.
[Cao, T.; Firan, A.; Hetherly, J. W.; Kama, S.; Kehoe, R.; Sekula, S. J.; Stroynowski, R.; Turvey, A. J.; Varol, T.; Wang, H.; Ye, J.; Zhao, X.; Zhou, L.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.
[Izen, J. M.; Leyton, M.; Meirose, B.; Namasivayam, H.; Reeves, K.] Univ Texas Dallas, Dept Phys, Richardson, TX 75083 USA.
[Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lisovyi, M.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Hamburg, Germany.
[Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lisovyi, M.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Zeuthen, Germany.
[Burmeister, I.; Erdmann, J.; Esch, H.; Goessling, C.; Homann, M.; Jentzsch, J.; Jung, C. A.; Klingenberg, R.; Kroeninger, K.] Tech Univ Dortmund, Inst Expt Phys 4, D-44221 Dortmund, Germany.
[Anger, P.; Duschinger, D.; Friedrich, F.; Grohs, J. P.; Gumpert, C.; Gutschow, C.; Hauswald, L.; Kobel, M.; Mader, W. F.; Morgenstern, M.; Novgorodova, O.; Rudolph, C.; Schnoor, U.; Siegert, F.; Socher, F.; Staerz, S.; Straessner, A.; Vest, A.; Wahrmund, S.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany.
[Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Cerio, B. C.; Goshaw, A. T.; Kajomovitz, E.; Kotwal, A.; Kruse, M. C.; Li, L.; Li, S.; Liu, M.; Oh, S. H.; Zhou, C.] Duke Univ, Dept Phys, Durham, NC 27706 USA.
[Bhimji, W.; Bristow, T. M.; Clark, P. J.; Dias, F. A.; Edwards, N. C.; Gao, Y.; Walls, F. M. Garay; Glaysher, P. C. F.; Harrington, R. D.; Leonidopoulos, C.; Martin, V. J.; Mills, C.; O'Brien, B. J.; Pino, S. A. Olivares; Proissl, M.; Selbach, K. E.; Smart, B. H.; Washbrook, A.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland.
[Antonelli, M.; Beretta, M.; Bilokon, H.; Chiarella, V.; Curatolo, M.; Di Nardo, R.; Esposito, B.; Gatti, C.; Giromini, P.; Laurelli, P.; Maccarrone, G.; Mancini, G.; Sansoni, A.; Testa, M.; Vilucchi, E.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Amoroso, S.; Arnold, H.; Betancourt, C.; Boehler, M.; Bruneliere, R.; Buehrer, F.; Buescher, D.; Coniavitis, E.; Consorti, V.; Dang, N. P.; Dao, V.; Di Simone, A.; Flechl, M.; Giuliani, C.; Herten, G.; Jakobs, K.; Javurnek, T.; Jenni, P.; Kiss, F.; Koeneke, K.; Kopp, A. K.; Kuehn, S.; Lai, S.; Landgraf, U.; Mahboubi, K.; Mohr, W.; Pagacova, M.; Parzefall, U.; Ronzani, M.; Rosbach, K.; Ruehr, F.; Rurikova, Z.; Ruthmann, N.; Schillo, C.; Schmidt, E.; Schumacher, M.; Sommer, P.; Sundermann, J. E.; Temming, K. K.; Tsiskaridze, V.; Ungaro, F. C.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Zhang, L.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, D-79106 Freiburg, Germany.
[Ancu, L. S.; Barone, G.; Bell, W. H.; Noccioli, E. Benhar; De Mendizabal, J. Bilbao; Toro, R. Camacho; Clark, A.; Delitzsch, C. M.; della Volpe, D.; Doglioni, C.; Ferrere, D.; Gadomski, S.; Golling, T.; Gonzalez-Sevilla, S.; Gramling, J.; Guescini, F.; Iacobucci, G.; Katre, A.; La Rosa, A.; Mermod, P.; Miucci, A.; Muenstermann, D.; Nessi, M.; Paolozzi, L.; Picazio, A.; Ristic, B.; Tykhonov, A.; Vallecorsa, S.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland.
[Barberis, D.; Darbo, G.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gaudiello, A.; Gemme, C.; Guido, E.; Morettini, P.; Osculati, B.; Parodi, F.; Passaggio, S.; Rossi, L. P.; Sannino, M.; Schiavi, C.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy.
[Barberis, D.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gaudiello, A.; Guido, E.; Osculati, B.; Parodi, F.; Sannino, M.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy.
[Jejelava, J.; Tskhadadze, E. G.] Iv Javakhishvili Tbilisi State Univ, E Andronikashvili Inst Phys, Tbilisi, Rep of Georgia.
[Djobava, T.; Durglishvili, A.; Khubua, J.; Mosidze, M.] Tbilisi State Univ, Inst High Energy Phys, Tbilisi, Rep of Georgia.
[Dueren, M.; Kreutzfeldt, K.; Stenzel, H.] Univ Giessen, Inst Phys 2, Giessen, Germany.
[Bates, R. L.; Britton, D.; Buckley, A. G.; Bussey, P.; Buttar, C. M.; Buzatu, A.; Cinca, D.; D'Auria, S.; Doyle, A. T.; Ferrando, J.; de Lima, D. E. Ferreira; Gul, U.; Ortiz, N. G. Gutierrez; Kar, D.; Knue, A.; Morton, A.; Mullen, P.; O'Shea, V.; Barrera, C. Oropeza; Owen, M.; Pollard, C. S.; Qin, G.; Quilty, D.; Ravenscroft, T.; Robson, A.; St Denis, R. D.; Stewart, G. A.; Thompson, A. S.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland.
[Bindi, M.; Blumenschein, U.; Brandt, G.; Drechsler, E.; George, M.; Graber, L.; Grosse-Knetter, J.; Hamer, M.; Kareem, M. J.; Kawamura, G.; Lemmer, B.; Magradze, E.; Mantoani, M.; Mchedlidze, G.; Llacer, M. Moreno; Musheghyan, H.; Nackenhorst, O.; Nadal, J.; Quadt, A.; Rieger, J.; Schorlemmer, A. L. S.; Shabalina, E.; Stolte, P.; Weingarten, J.; Zinonos, Z.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Albrand, S.; Brown, J.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Gabaldon, C.; Genest, M. H.; Hostachy, J-Y.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Monini, C.; Stark, J.; Trocme, B.; Wu, M.] Univ Grenoble Alpes, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France.
[McFarlane, K. W.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[Da Costa, J. Barreiro Guimaraes; Catastini, P.; Clark, B. L.; Franklin, M.; Huth, J.; Ippolito, V.; Mateos, D. Lopez; Mercurio, K. M.; Morii, M.; Skottowe, H. P.; Spearman, W. R.; Sun, S.; Tolley, E.; Yen, A. L.; Zambito, S.] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA.
[Andrei, V.; Baas, A. E.; Brandt, O.; Davygora, Y.; Djuvsland, J. I.; Dunford, M.; Geisler, M. P.; Hanke, P.; Jongmanns, J.; Kluge, E. -E.; Lang, V. S.; Meier, K.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany.
[Anders, C. F.; Giulini, M.; Schaetzel, S.; Schmitt, S.; Schoening, A.; Sosa, D.] Heidelberg Univ, Inst Phys, Heidelberg, Germany.
[Colombo, T.; Kretz, M.; Kugel, A.] Heidelberg Univ, ZITI Inst Tech Informat, Mannheim, Germany.
[Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan.
[Bortolotto, V.; Castillo, L. R. Flores] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China.
[Bortolotto, V.] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China.
[Bortolotto, V.; Prokofiev, K.] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China.
[Choi, K.; Dattagupta, A.; Evans, H.; Gagnon, P.; Lammers, S.; Martinez, N. Lorenzo; Luehring, F.; Ogren, H.; Penwell, J.; Weinert, B.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA.
[Jansky, R. W.; Jussel, P.; Kneringer, E.; Lukas, W.; Ritsch, E.; Usanova, A.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria.
[Mallik, U.; Mandrysch, R.; Zaidan, R.] Univ Iowa, Iowa City, IA USA.
[Chen, C.; Cochran, J.; De Lorenzi, F.; Krumnack, N.; Pluth, D.; Prell, S.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA.
[Ahmadov, F.; Aleksandrov, I. N.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Gostkin, M. I.; Huseynov, N.; Javadov, N.; Karpov, S. N.; Karpova, Z. M.; Kazarinov, M. Y.; Khramov, E.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Minashvili, I. A.; Mineev, M.; Peshekhonov, V. D.; Plotnikova, E.; Potrap, I. N.; Pozdnyakov, V.; Rusakovich, N. A.; Sadykov, R.; Sapronov, A.; Shiyakova, M.; Sisakyan, A. N.; Soloshenko, A.; Vinogradov, V. B.; Yeletskikh, I.; Zhemchugov, A.; Zimine, N. I.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia.
[Amako, K.; Aoki, M.; Arai, Y.; Ikegami, Y.; Ikeno, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Kono, T.; Makida, Y.; Nagano, K.; Nakamura, K.; Nozaki, M.; Odaka, S.; Sasaki, O.; Suzuki, S.; Suzuki, Y.; Takubo, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan.
[Chen, Y.; Hasegawa, M.; Inamaru, Y.; Kishimoto, T.; Kurashige, H.; Kurumida, R.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan.
[Ishino, M.; Kunigo, T.; Sumida, T.; Tashiro, T.] Kyoto Univ, Fac Sci, Kyoto, Japan.
[Takashima, R.] Kyoto Univ, Kyoto 612, Japan.
[Kawagoe, K.; Oda, S.; Otono, H.; Tojo, J.] Kyushu Univ, Dept Phys, Fukuoka 812, Japan.
[Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Univ Nacl La Plata, Inst Fis La Plata, RA-1900 La Plata, Buenos Aires, Argentina.
[Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina.
[Barton, A. E.; Beattie, M. D.; Borissov, G.; Bouhova-Thacker, E. V.; Dearnaley, W. J.; Fox, H.; Grimm, K.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Maddocks, H. J.; Skinner, M. B.; Smizanska, M.; Walder, J.; Wharton, A. M.] Univ Lancaster, Dept Phys, Lancaster, England.
[Chiodini, G.; Gorini, E.; Primavera, M.; Spagnolo, S.; Ventura, A.] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy.
[Gorini, E.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Matemat & Fis, Lecce, Italy.
[Affolder, A. A.; Allport, P. P.; Anders, J. K.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Gwilliam, C. B.; Hayward, H. S.; Jackson, M.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kretzschmar, J.; Laycock, P.; Lehan, A.; Maxfield, S. J.; Mehta, A.; Readioff, N. P.; Schnellbach, Y. J.; Vossebeld, J. H.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England.
[Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia.
[Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Univ Ljubljana, Ljubljana, Slovenia.
[Alpigiani, C.; Bevan, A. J.; Bona, M.; Bret, M. Cano; Cerrito, L.; Fletcher, G.; Goddard, J. R.; Hays, J. M.; Hickling, R.; Landon, M. P. J.; Lloyd, S. L.; Morris, J. D.; Nooney, T.; Piccaro, E.; Rizvi, E.; Sandbach, R. L.; Snidero, G.; Castanheira, M. Teixeira Dias] Queen Mary Univ London, Sch Phys & Astron, London, England.
[Berry, T.; Blanco, J. E.; Boisvert, V.; Brooks, T.; Connelly, I. A.; Cowan, G.; Duguid, L.; Giannelli, M. Faucci; George, S.; Gibson, S. M.; Kempster, J. J.; Vazquez, J. G. Panduro; Pastore, Fr; Savage, G.; Spano, F.; Teixeira-Dias, P.; Thomas-Wilsker, J.] Royal Holloway Univ London, Dept Phys, Egham, Surrey, England.
[Bieniek, S. P.; Butterworth, J. M.; Campanelli, M.; Casadei, D.; Chislett, R. T.; Christodoulou, V.; Cooper, B. D.; Davison, P.; Falla, R. J.; Freeborn, D.; Gregersen, K.; Hesketh, G. G.; Jansen, E.; Jiggins, S.; Konstantinidis, N.; Korn, A.; Kucuk, H.; Lambourne, L.; Leney, K. J. C.; Martyniuk, A. C.; Mcfayden, J. A.; Nurse, E.; Ochoa, I.; Richter, S.; Scanlon, T.; Sherwood, P.; Simmons, B.; Wardrope, D. R.; Waugh, B. M.] UCL, Dept Phys & Astron, London, England.
[Greenwood, Z. D.; Grossi, G. C.; Jana, D. K.; Sawyer, L.; Subramaniam, R.] Louisiana Tech Univ, Ruston, LA 71270 USA.
[Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France.
[Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] Univ Paris Diderot, Paris, France.
[Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] CNRS, IN2P3, Paris, France.
[Akesson, T. P. A.; Bocchetta, S. S.; Bryngemark, L.; Floderus, A.; Hawkins, A. D.; Hedberg, V.; Ivarsson, J.; Jarlskog, G.; Lytken, E.; Mjornmark, J. U.; Smirnova, O.; Viazlo, O.] Lund Univ, Inst Fys, Lund, Sweden.
[Arnal, V.; Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Llorente Merino, J.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C15, Madrid, Spain.
[Becker, M.; Bertella, C.; Blum, W.; Buescher, V.; Caputo, R.; Caudron, J.; Ellinghaus, F.; Endner, O. C.; Ertel, E.; Fiedler, F.; Torregrosa, E. Fullana; Heck, T.; Hohlfeld, M.; Huelsing, T. A.; Karnevskiy, M.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lin, T. H.; Masetti, L.; Mattmann, J.; Meyer, C.; Moritz, S.; Poettgen, R.; Rave, S.; Sander, H. G.; Schaeffer, J.; Schaefer, U.; Schmitt, C.; Schott, M.; Schroeder, C.; Schuh, N.; Simioni, E.; Tapprogge, S.; Urrejola, P.; Valderanis, C.; Wollstadt, S. J.; Zimmermann, C.; Zinser, M.] Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany.
[Balli, F.; Barnes, S. L.; Cox, B. E.; Da Via, C.; Forti, A.; Ponce, J. M. Iturbe; Joshi, K. D.; Keoshkerian, H.; Klinger, J. A.; Loebinger, F. K.; Marsden, S. P.; Masik, J.; Neep, T. J.; Oh, A.; Ospanov, R.; Pater, J. R.; Peters, R. F. Y.; Pilkington, A. D.; Price, D.; Qin, Y.; Queitsch-Maitland, M.; Robinson, J. E. M.; Schwanenberger, C.; Shaw, S. M.; Thompson, R. J.; Tomlinson, L.; Watts, S.; Webb, S.; Woudstra, M. J.; Wyatt, T. R.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England.
[Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France.
[Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, Marseille, France.
[Bellomo, M.; Bernard, N. R.; Brau, B.; Dallapiccola, C.; Daya-Ishmukhametova, R. K.; Moyse, E. J. W.; Pais, P.; Pueschel, E.; Ventura, D.; Willocq, S.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA.
[Belanger-Champagne, C.; Chapleau, B.; Chuinard, A. J.; Corriveau, F.; Keyes, R. A.; Mantifel, R.; Prince, S.; Robertson, S. H.; Robichaud-Veronneau, A.; Stockton, M. C.; Stoebe, M.; Vachon, B.; Schroeder, T. Vazquez; Wang, K.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada.
[Barberio, E. L.; Brennan, A. J.; Dawe, E.; Jennens, D.; Kubota, T.; Milesi, M.; Hanninger, G. Nunes; Nuti, F.; Rados, P.; Spiller, L. A.; Tan, K. G.; Taylor, G. N.; Urquijo, P.; Volpi, M.; Zanzi, D.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.
[Amidei, D.; Chelstowska, M. A.; Cheng, H. C.; Dai, T.; Diehl, E. B.; Edgar, R. C.; Feng, H.; Ferretti, C.; Fleischmann, P.; Goldfarb, S.; Hu, X.; Levin, D.; Long, J. D.; Lu, N.; Mc Kee, S. P.; McCarn, A.; Neal, H. A.; Qian, J.; Schwarz, T. A.; Searcy, J.; Sekhon, K.; Thun, R. P.; Wilson, A.; Wu, Y.; Xu, L.; Yu, J. M.; Zhang, D.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Abolins, M.; Arabidze, G.; Brock, R.; Chegwidden, A.; Fisher, W. C.; Halladjian, G.; Hauser, R.; Hayden, D.; Huston, J.; Linnemann, J. T.; Martin, B.; Pope, B. G.; Schoenrock, B. D.; Schwienhorst, R.; Ta, D.; Tollefson, K.; True, P.; Willis, C.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Alimonti, G.; Andreazza, A.; Besana, M. I.; Carminati, L.; Cavalli, D.; Consonni, S. M.; Costa, G.; Fanti, M.; Giugni, D.; Lari, T.; Mandelli, L.; Mazza, S. M.; Meroni, C.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Shojaii, S.; Simoniello, R.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Perez, M. Villaplana] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy.
[Andreazza, A.; Carminati, L.; Consonni, S. M.; Fanti, M.; Mazza, S. M.; Perini, L.; Pizio, C.; Ragusa, F.; Shojaii, S.; Simoniello, R.; Turra, R.; Perez, M. Villaplana] Univ Milan, Dipartimento Fis, Milan, Italy.
[Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus.
[Hrynevich, A.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus.
[Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[Arguin, J-F.; Azuelos, G.; Dallaire, F.; Gauthier, L.; Leroy, C.; Rezvani, R.; Saadi, D. Shoaleh; Soueid, P.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada.
[Akimov, A. V.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.; Zhukov, K.] Acad Sci, PN Lebedev Phys Inst, Moscow, Russia.
[Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] ITEP, Moscow, Russia.
[Antonov, A.; Belotskiy, K.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Krasnopevtsev, D.; Romaniouk, A.; Shulga, E.; Smirnov, S. Yu; Smirnov, Y.; Soldatov, E. Yu; Tikhomirov, V. O.; Timoshenko, S.; Vorobev, K.] Natl Res Nucl Univ MEPhI, Moscow, Russia.
[Boldyrev, A. S.; Gladilin, L. K.; Kramarenko, V. A.; Maevskiy, A.; Rud, V. I.; Sivoklokov, S. Yu; Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia.
[Adomeit, S.; Becker, S.; Bender, M.; Biebel, O.; Bock, C.; Bortfeldt, J.; Calfayan, P.; Chow, B. K. B.; Duckeck, G.; Elmsheuser, J.; Hertenberger, R.; Hoenig, F.; Legger, F.; Lorenz, J.; Loesel, P. J.; Maier, T.; Mann, A.; Mehlhase, S.; Meineck, C.; Mitrevski, J.; Mueller, R. S. P.; Nunnemann, T.; Rauscher, F.; Ruschke, A.; Sanders, M. P.; Schaile, D.; Unverdorben, C.; Vladoiu, D.; Walker, R.; Wittkowski, J.] Univ Munich, Fak Phys, Munich, Germany.
[Barillari, T.; Bethke, S.; Bronner, J.; Compostella, G.; Cortiana, G.; Ecker, K. M.; Flowerdew, M. J.; Goblirsch-Kolb, M.; Ince, T.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kroha, H.; Macchiolo, A.; Maier, A. A.; Manfredini, A.; Menke, S.; Mueller, F.; Nagel, M.; Nisius, R.; Nowak, S.; Oberlack, H.; Pahl, C.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Schwegler, Ph; Sforza, F.; Spettel, F.; Stern, S.; Stonjek, S.; Terzo, S.; von der Schmitt, H.; Wildauer, A.] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany.
[Shimojima, M.] Nagasaki Inst Appl Sci, Nagasaki, Japan.
[Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan.
[Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648601, Japan.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Carlino, G.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; Di Donato, C.; Doria, A.; Izzo, V.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.; Zurzolo, G.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Di Donato, C.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Zurzolo, G.] Univ Naples Federico II, Dipartimento Fis, Naples, Italy.
[Gorelov, I.; Hoeferkamp, M. R.; Seidel, S. C.; Toms, K.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA.
[Besjes, G. J.; Caron, S.; Croft, V.; De Groot, N.; Filthaut, F.; Galea, C.; Konig, A. C.; Nektarijevic, S.; Salvucci, A.; Strubig, A.] Radboud Univ Nijmegen, NIKHEF, Inst Math Astrophys & Particle Phys, NL-6525 ED Nijmegen, Netherlands.
[Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; De Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands.
[Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; De Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Univ Amsterdam, Amsterdam, Netherlands.
[Adelman, J.; Burghgrave, B.; Chakraborty, D.; Cole, S.; Suhr, C.; Yurkewicz, A.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
[Anisenkov, A. V.; Bobrovnikov, V. S.; Bogdanchikov, A. G.; Buzykaev, A. R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Malyshev, V. M.; Maslennikov, A. L.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu A.] RAS, Budker Inst Nucl Phys, SB, Novosibirsk, Russia.
[Bernius, C.; Cranmer, K.; Haas, A.; Heinrich, L.; van Huysduynen, L. Hooft; Kaplan, B.; Karthik, K.; Konoplich, R.; Kreiss, S.; Mincer, A. I.; Nemethy, P.; Neves, R. M.] NYU, Dept Phys, New York, NY 10003 USA.
[Beacham, J. B.; Gan, K. K.; Ishmukhametov, R.; Kagan, H.; Kass, R. D.; Looper, K. A.; Moss, J.; Nagarkar, A.; Pignotti, D. T.; Shrestha, S.; Tannenwald, B. B.] Ohio State Univ, Columbus, OH 43210 USA.
[Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan.
[Abbott, B.; Alhroob, M.; Bertsche, C.; Bertsche, D.; Gutierrez, P.; Hasib, A.; Norberg, S.; Pearson, B.; Saleem, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA.
[Bousson, N.; Haley, J.; Khanov, A.; Rizatdinova, F.; Sidorov, D.; Yu, J.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA.
[Chytka, L.; Hamal, P.; Hrabovsky, M.; Kvita, J.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic.
[Brau, J. E.; Brost, E.; Hopkins, W. H.; Majewski, S.; Potter, C. T.; Ptacek, E.; Radloff, P.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.; Wanotayaroj, C.; Winklmeier, F.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA.
[Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] Univ Paris 11, LAL, Orsay, France.
[Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] CNRS, IN2P3, F-91405 Orsay, France.
[Endo, M.; Hanagaki, K.; Nomachi, M.; Okamura, W.; Sugaya, Y.; Teoh, J. J.; Yamaguchi, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan.
[Bugge, L.; Bugge, M. K.; Cameron, D.; Catmore, J. R.; Franconi, L.; Garonne, V.; Gjelsten, B. K.; Gramstad, E.; Morisbak, V.; Nilsen, J. K.; Ould-Saada, F.; Pajchel, K.; Pedersen, M.; Raddum, S.; Read, A. L.; Rohne, O.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway.
[Barr, A. J.; Becker, K.; Behr, J. K.; Beresford, L.; Cooper-Sarkar, A. M.; Ortuzar, M. Crispin; Dafinca, A.; Davies, E.; Frost, J. A.; Gallas, E. J.; Gupta, S.; Gwenlan, C.; Hall, D.; Hays, C. P.; Henderson, J.; Howard, J.; Huffman, T. B.; Issever, C.; Kalderon, C. W.; King, R. S. B.; Kogan, L. A.; Lewis, A.; Nagai, K.; Nickerson, R. B.; Pickering, M. A.; Ryder, N. C.; Sawyer, C.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Zhong, J.] Univ Oxford, Dept Phys, Oxford, England.
[Conta, C.; Dondero, P.; Ferrari, R.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Vercesi, V.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy.
[Conta, C.; Dondero, P.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy.
[Brendlinger, K.; Heim, S.; Hines, E.; Jackson, B.; Kroll, J.; Lipeles, E.; Miguens, J. Machado; Meyer, C.; Stahlman, J.; Thomson, E.; Tuna, A. N.; Vanguri, R.; Williams, H. H.; Yoshihara, K.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA.
[Basalaev, A.; Ezhilov, A.; Fedin, O. L.; Gratchev, V.; Levchenko, M.; Maleev, V. P.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Solovyev, V.] BP Konstantinov Petersburg Nucl Phys Inst, Kurchatov Inst, Natl Res Ctr, St Petersburg, Russia.
[Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy.
[Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy.
[Bianchi, R. M.; Boudreau, J.; Cleland, W.; Escobar, C.; Hong, T. M.; Mueller, J.; Sapp, K.; Su, J.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA.
[Aguilar-Saavedra, J. A.; Amor Dos Santos, S. P.; Amorim, A.; Araque, J. P.; Cantrill, R.; Carvalho, J.; Castro, N. F.; Conde Muino, P.; Da Cunha Sargedas De Sousa, M. J.; Fiolhais, M. C. N.; Galhardo, B.; Gomes, A.; Goncalo, R.; Jorge, P. M.; Lopes, L.; Maio, A.; Maneira, J.; Onofre, A.; Palma, A.; Pedro, R.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Tavares Delgado, A.; Veloso, F.; Wolters, H.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal.
[Amorim, A.; Conde Muino, P.; Da Cunha Sargedas De Sousa, M. J.; Gomes, A.; Jorge, P. M.; Miguens, J. Machado; Maio, A.; Maneira, J.; Palma, A.; Pedro, R.; Pina, J.; Tavares Delgado, A.] Univ Lisbon, Fac Ciencias, Lisbon, Portugal.
[Amor Dos Santos, S. P.; Carvalho, J.; Fiolhais, M. C. N.; Galhardo, B.; Veloso, F.; Wolters, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal.
[Gomes, A.; Maio, A.; Pina, J.; Saraiva, J. G.; Silva, J.] Univ Lisbon, Ctr Fis Nucl, P-1699 Lisbon, Portugal.
[Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal.
[Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain.
[Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain.
Univ Nova Lisboa, Dept Fis, Caparica, Portugal.
Univ Nova Lisboa, Fac Ciencias & Tecnol, CEFITEC, Caparica, Portugal.
[Chudoba, J.; Havranek, M.; Hejbal, J.; Jakoubek, T.; Kepka, O.; Kupco, A.; Kus, V.; Lokajicek, M.; Lysak, R.; Marcisovsky, M.; Mikestikova, M.; Nemecek, S.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic.
[Augsten, K.; Caforio, D.; Gallus, P.; Guenther, J.; Jakubek, J.; Kohout, Z.; Myska, M.; Pospisil, S.; Seifert, F.; Simak, V.; Slavicek, T.; Smolek, K.; Solar, M.; Solc, J.; Sopczak, A.; Sopko, B.; Sopko, V.; Suk, M.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.; Vykydal, Z.; Zeman, M.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Balek, P.; Berta, P.; Cerny, K.; Chalupkova, I.; Davidek, T.; Dolejsi, J.; Dolezal, Z.; Faltova, J.; Kodys, P.; Kosek, T.; Leitner, R.; Pleskot, V.; Reznicek, P.; Rybar, M.; Scheirich, D.; Spousta, M.; Sykora, T.; Tas, P.; Todorova-Nova, S.; Valkar, S.; Vorobel, V.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic.
[Borisov, A.; Cheremushkina, E.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Golubkov, D.; Kamenshchikov, A.; Karyukhin, A. N.; Kozhin, A. S.; Minaenko, A. A.; Myagkov, A. G.; Nikolaenko, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Zaitsev, A. M.; Zenin, O.] Inst High Energy Phys, State Res Ctr, Protvino, Russia.
[Adye, T.; Baines, J. T.; Barnett, B. M.; Burke, S.; Davies, E.; Dewhurst, A.; Dopke, J.; Emeliyanov, D.; Gallop, B. J.; Gee, C. N. P.; Haywood, S. J.; Kirk, J.; Li, H. L.; Martin-Haugh, S.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Phillips, P. W.; Sankey, D. P. C.; Tyndel, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England.
[Anulli, F.; Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; De Pedis, D.; De Salvo, A.; Di Domenico, A.; Falciano, S.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Luminari, L.; Marzano, F.; Messina, A.; Monzani, S.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Vanadia, M.; Vari, R.; Veneziano, S.; Verducci, M.; Zanello, L.] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy.
[Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; Di Domenico, A.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Messina, A.; Monzani, S.; Vanadia, M.; Verducci, M.; Zanello, L.] Univ Rome, Dipartimento Fis, Rome, Italy.
[Aielli, G.; Camarri, P.; Cardarelli, R.; Di Ciaccio, A.; Iuppa, R.; Liberti, B.; Mazzaferro, L.; Salamon, A.; Santonico, R.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy.
[Aielli, G.; Camarri, P.; Di Ciaccio, A.; Iuppa, R.; Mazzaferro, L.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy.
[Bacci, C.; Baroncelli, A.; Biglietti, M.; Ceradini, F.; Di Micco, B.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Stanescu, C.; Taccini, C.; Trovatelli, M.] Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy.
[Bacci, C.; Ceradini, F.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Taccini, C.; Trovatelli, M.] Univ Rome Tre, Dipartimento Matemat & Fis, I-00146 Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Hoummada, A.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco.
[Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco.
[El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci Semlalia, LPHEA Marrakech, Marrakech, Morocco.
[Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco.
[Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] LPTPM, Oujda, Morocco.
[Cherkaoui El Moursli, R.; Fassi, F.; Haddad, N.; Idrissi, Z.] Univ Mohammed V Agdal, Fac Sci, Rabat, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Blanchard, J. -B.; Boonekamp, M.; Calandri, A.; Chevalier, L.; Hoffmann, M. Dana; Deliot, F.; Etienvre, A. I.; Formica, A.; Giraud, P. F.; Da Costa, J. Goncalves Pinto Firmino; Guyot, C.; Hanna, R.; Hassani, S.; Kivernyk, O.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Maiani, C.; Mansoulie, B.; Meyer, J-P.; Nicolaidou, R.; Ouraou, A.; Protopapadaki, E.; Royon, C. R.; Saimpert, M.; Schoeffel, L.; Schune, Ph; Schwemling, Ph; Schwindling, J.] CEA Saclay Commissariat Energia Atom & Energies A, DSM IRFU Inst Rech Lois Fondamentales Univers, Gif Sur Yvette, France.
[Battaglia, M.; Debenedetti, C.; Grabas, H. M. X.; Grillo, A. A.; Kuhl, A.; Law, A. T.; Liang, Z.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Nielsen, J.; Reece, R.; Rose, P.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Blackburn, D.; Coccaro, A.; Goussiou, A. G.; Hsu, S. -C.; Lubatti, H. J.; Marx, M.; Rompotis, N.; Rosten, R.; Rothberg, J.; Russell, H. L.; De Bruin, P. H. Sales; Watts, G.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Anastopoulos, C.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Fletcher, G. T.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Kyriazopoulos, D.; Paredes, B. Lopez; Macdonald, C. M.; Miyagawa, P. S.; Paganis, E.; Parker, K. A.; Tovey, D. R.; Vickey, T.; Boeriu, O. E. Vickey] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England.
[Hasegawa, Y.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan.
[Atlay, N. B.; Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Ibragimov, I.; Ikematsu, K.; Rosenthal, O.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany.
[Buat, Q.; Horton, A. J.; O'Neil, D. C.; Pachal, K.; Stelzer, B.; Torres, H.; Van Nieuwkoop, J.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Barklow, T.; Bartoldus, R.; Bawa, H. S.; Black, J. E.; Cogan, J. G.; Fulsom, B. G.; Gao, Y. S.; Garelli, N.; Grenier, P.; Kagan, M.; Kocian, M.; Koi, T.; Malone, C.; Mount, R.; Nef, P. D.; Piacquadio, G.; Rubbo, F.; Salnikov, A.; Schwartzman, A.; Strauss, E.; Su, D.; Swiatlowski, M.; Tompkins, L.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA.
[Astalos, R.; Bartos, P.; Blazek, T.; Federic, P.; Plazak, L.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia.
[Antos, J.; Bruncko, D.; Kladiva, E.; Strizenec, P.; Urban, J.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia.
[Hamilton, A.; Meehan, S.] Univ Cape Town, Dept Phys, ZA-7925 Cape Town, South Africa.
[Aurousseau, M.; Castaneda-Miranda, E.; Connell, S. H.; Govender, N.; Lee, C. A.; Yacoob, S.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa.
[Bristow, K.; Hamity, G. N.; Hsu, C.; March, L.; Garcia, B. R. Mellado; Ruan, X.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa.
[Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Bohm, C.; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Plucinski, P.; Rossetti, V.; Shcherbakova, A.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Ughetto, M.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.
[Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Plucinski, P.; Rossetti, V.; Shcherbakova, A.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Ughetto, M.] Oskar Klein Ctr, Stockholm, Sweden.
[Lund-Jensen, B.; Morley, A. K.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden.
[Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA.
[Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Asquith, L.; Cerri, A.; Barajas, C. A. Chavez; De Sanctis, U.; De Santo, A.; Grout, Z. J.; Potter, C. J.; Salvatore, F.; Castillo, I. Santoyo; Shehu, C. Y.; Suruliz, K.; Sutton, M. R.; Vivarelli, I.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England.
[Black, C. W.; Cuthbert, C.; Finelli, K. D.; Jeng, G. -Y.; Limosani, A.; Patel, N. D.; Saavedra, A. F.; Scarcella, M.; Varvell, K. E.; Watson, I. J.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia.
[Abdallah, J.; Chu, M. L.; Hou, S.; Hsu, P. J.; Jamin, D. O.; Lee, S. C.; Li, B.; Lin, S. C.; Liu, B.; Liu, D.; Lo Sterzo, F.; Mazini, R.; Shi, L.; Soh, D. A.; Teng, P. K.; Wang, S. M.; Yang, Y.] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Abreu, H.; Cheatham, S.; Di Mattia, A.; Kopeliansky, R.; Musto, E.; Rozen, Y.; Tarem, S.; van Eldik, N.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel.
[Abramowicz, H.; Alexander, G.; Amram, N.; Ashkenazi, A.; Bella, G.; Benary, O.; Benhammou, Y.; Davies, M.; Etzion, E.; Gershon, A.; Gueta, O.; Munwes, Y.; Oren, Y.; Silver, Y.; Soffer, A.; Taiblum, N.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel.
[Bachas, K.; Gkaitatzis, S.; Gkialas, I.; Iliadis, D.; Kimura, N.; Kordas, K.; Kourkoumeli-Charalampidi, A.; Leisos, A.; Orlando, N.; Papageorgiou, K.; Hernandez, D. Paredes; Petridou, C.; Sampsonidis, D.; Tsionou, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece.
[Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan.
[Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Dept Phys, Tokyo 113, Japan.
[Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan.
[Hirose, M.; Ishitsuka, M.; Jinnouchi, O.; Kobayashi, D.; Kuze, M.; Motohashi, K.; Nagai, R.; Nobe, T.; Pettersson, N. E.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan.
[AbouZeid, O. S.; Batista, S. J.; Chau, C. C.; DeMarco, D. A.; Di Sipio, R.; Diamond, M.; Ilic, N.; Krieger, P.; Liblong, A.; Mc Goldrick, G.; Orr, R. S.; Polifka, R.; Rudolph, M. S.; Savard, P.; Schramm, S.; Sinervo, P.; Spreitzer, T.; Taenzer, J.; Teuscher, R. J.; Trischuk, W.; Venturi, N.] Univ Toronto, Dept Phys, Toronto, ON, Canada.
[Azuelos, G.; Canepa, A.; Chekulaev, S. V.; Gingrich, D. M.; Jovicevic, J.; Koutsman, A.; Oakham, F. G.; Oram, C. J.; Codina, E. Perez; Savard, P.; Schneider, B.; Schouten, D.; Seuster, R.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Garcia, J. A. Benitez; Ramos, J. Manjarres; Palacino, G.; Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada.
[Hara, K.; Hayashi, T.; Kim, S. H.; Kiuchi, K.; Nagata, K.; Okawa, H.; Sato, K.; Ukegawa, F.] Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki, Japan.
[Beauchemin, P. H.; Hamilton, S.; Meoni, E.; Rolli, S.; Sliwa, K.; Wetter, J.] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA.
[Losada, M.; Moreno, D.; Navarro, G.; Sandoval, C.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia.
[Corso-Radu, A.; Gerbaudo, D.; Lankford, A. J.; Mete, A. S.; Nelson, A.; Relich, M.; Scannicchio, D. A.; Schernau, M.; Shimmin, C. O.; Taffard, A.; Unel, G.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
[Acharya, B. S.; Barisonzi, M.; Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Quayle, W. B.; Serkin, L.; Shaw, K.; Soualah, R.; Truong, L.] Ist Nazl Fis Nucl, Grp Collegato Udine, Sez Trieste, Udine, Italy.
[Acharya, B. S.; Barisonzi, M.; Quayle, W. B.; Serkin, L.; Shaw, K.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy.
[Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Soualah, R.; Truong, L.] Univ Udine, Dipartimento Chim Fis & Ambiente, I-33100 Udine, Italy.
[Atkinson, M.; Basye, A.; Cavaliere, V.; Chang, P.; Errede, S.; Lie, K.; Liss, T. M.; Liu, L.; Neubauer, M. S.; Shang, R.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA.
[Kuutmann, E. Bergeaas; Brenner, R.; Ekelof, T.; Ellert, M.; Ferrari, A.; Isaksson, C.; Madsen, A.; Ohman, H.; Pelikan, D.; Rangel-Smith, C.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden.
[Alvarez Piqueras, D.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain.
[Alvarez Piqueras, D.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain.
[Alvarez Piqueras, D.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Dept Ingn Elect, Valencia, Spain.
[Alvarez Piqueras, D.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, CNM, IMB, Valencia, Spain.
[Alvarez Piqueras, D.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] CSIC, Valencia, Spain.
[Danninger, M.; Fedorko, W.; Gay, C.; Gecse, Z.; King, S. B.; Lister, A.; Swedish, S.] Univ British Columbia, Dept Phys, Vancouver, BC, Canada.
[Albert, J.; Berghaus, F.; David, C.; Elliot, A. A.; Fincke-Keeler, M.; Hamano, K.; Hill, E.; Keeler, R.; Kowalewski, R.; Kuwertz, E. S.; Kwan, T.; LeBlanc, M.; Lefebvre, M.; Marino, C. P.; McPherson, R. A.; Ouellette, E. A.; Pearce, J.; Sobie, R.; Venturi, M.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada.
[Beckingham, M.; Farrington, S. M.; Harrison, P. F.; Janus, M.; Jeske, C.; Jones, G.; Martin, T. A.; Murray, W. J.; Pianori, E.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Iizawa, T.; Mitani, T.; Sakurai, Y.; Yorita, K.] Waseda Univ, Tokyo, Japan.
[Bressler, S.; Citron, Z. H.; Duchovni, E.; Gross, E.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Pitt, M.; Roth, I.; Schaarschmidt, J.; Smakhtin, V.] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel.
[Banerjee, Sw; Hard, A. S.; Heng, Y.; Ji, H.; Ju, X.; Kashif, L.; Kruse, A.; Ming, Y.; Pan, Y. B.; Wang, F.; Wiedenmann, W.; Wu, S. L.; Yang, H.; Zhang, F.; Zobernig, G.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Kuger, F.; Redelbach, A.; Schreyer, M.; Sidiropoulou, O.; Siragusa, G.; Stroehmer, R.; Tam, J. Y. C.; Trefzger, T.; Weber, S. W.; Zibell, A.] Univ Wurzburg, Fak Phys & Astron, D-97070 Wurzburg, Germany.
[Bannoura, A. A. E.; Beermann, T. A.; Braun, H. M.; Cornelissen, T.; Duda, D.; Ernis, G.; Fischer, J.; Fleischmann, S.; Flick, T.; Gabizon, O.; Hamacher, K.; Harenberg, T.; Heim, T.; Hirschbuehl, D.; Kersten, S.; Kohlmann, S.; Maettig, P.; Neumann, M.; Pataraia, S.; Riegel, C. J.; Sandhoff, M.; Tepel, F.; Wagner, W.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany.
[Baker, O. K.; Cummings, J.; Demers, S.; Garberson, F.; Guest, D.; Henrichs, A.; Ideal, E.; Lagouri, T.; Leister, A. G.; Loginov, A.; Thomsen, L. A.; Tipton, P.; Wang, X.] Yale Univ, Dept Phys, New Haven, CT USA.
[Hakobyan, H.; Vardanyan, G.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Rahal, G.] IN2P3, Ctr Calcul, Villeurbanne, France.
Kings Coll London, Dept Phys, London WC2R 2LS, England.
[Anisenkov, A. V.; Maslennikov, A. L.] Novosibirsk State Univ, Novosibirsk 630090, Russia.
[Bawa, H. S.; Bobrovnikov, V. S.; Buzykaev, A. R.; Gao, Y. S.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu A.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
[Beck, H. P.] Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.
[Castro, N. F.] Univ Porto, Fac Ciencias, Dept Fis & Astron, P-4100 Oporto, Portugal.
[Chelkov, G. A.] Tomsk State Univ, Tomsk 634050, Russia.
[Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy.
[Fedin, O. L.] St Petersburg State Polytech Univ, Dept Phys, St Petersburg, Russia.
[Grinstein, S.; Rozas, A. Juste; Martinez, M.] ICREA, Barcelona, Spain.
[Hsu, P. J.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan.
[Ilchenko, Y.; Onyisi, P. U. E.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA.
[Jejelava, J.] Ilia State Univ, Inst Theoret Phys, Tbilisi, Rep of Georgia.
[Khubua, J.] Georgian Tech Univ, Tbilisi, Rep of Georgia.
[Kono, T.] Ochanomizu Univ, Ochadai Acad Prod, Tokyo 112, Japan.
[Konoplich, R.] Manhattan Coll, New York, NY USA.
[Leisos, A.] Hellen Open Univ, Patras, Greece.
[Lin, S. C.] Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei, Taiwan.
[Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] Moscow Inst Phys & Technol, Dolgoprudnyi, Russia.
[Pinamonti, M.] Int Sch Adv Studies SISSA, Trieste, Italy.
[Purohit, M.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA.
[Shi, L.; Soh, D. A.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou, Guangdong, Peoples R China.
[Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, Fac Phys, Moscow, Russia.
[Tompkins, L.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Toth, J.] Wigner Res Ctr Phys, Inst Particle & Nucl Phys, Budapest, Hungary.
[Yacoob, S.] Univ KwaZulu Natal, Discipline Phys, Durban, South Africa.
[Yusuff, I.] Univ Malaya, Dept Phys, Kuala Lumpur 59100, Malaysia.
RP Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
RI Gutierrez, Phillip/C-1161-2011; Fabbri, Laura/H-3442-2012; Solodkov,
Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Peleganchuk,
Sergey/J-6722-2014; Li, Liang/O-1107-2015; Monzani, Simone/D-6328-2017;
Tikhomirov, Vladimir/M-6194-2015; Kuday, Sinan/C-8528-2014; Garcia, Jose
/H-6339-2015; Kantserov, Vadim/M-9761-2015; Villa, Mauro/C-9883-2009; La
Rosa Navarro, Jose Luis/K-4221-2016; Vanadia, Marco/K-5870-2016;
Ippolito, Valerio/L-1435-2016; Maneira, Jose/D-8486-2011; Prokoshin,
Fedor/E-2795-2012; Staroba, Pavel/G-8850-2014; Gavrilenko,
Igor/M-8260-2015; Gauzzi, Paolo/D-2615-2009; Maleev, Victor/R-4140-2016;
Camarri, Paolo/M-7979-2015; Mindur, Bartosz/A-2253-2017; Gonzalez de la
Hoz, Santiago/E-2494-2016; Guo, Jun/O-5202-2015; Aguilar Saavedra, Juan
Antonio/F-1256-2016; Leyton, Michael/G-2214-2016; Jones,
Roger/H-5578-2011; Boyko, Igor/J-3659-2013; Vranjes Milosavljevic,
Marija/F-9847-2016; Chekulaev, Sergey/O-1145-2015; SULIN,
VLADIMIR/N-2793-2015; Brooks, William/C-8636-2013; Nechaeva,
Polina/N-1148-2015; Vykydal, Zdenek/H-6426-2016; Snesarev,
Andrey/H-5090-2013; Mitsou, Vasiliki/D-1967-2009; Di Domenico,
Antonio/G-6301-2011; Smirnova, Oxana/A-4401-2013; Doyle,
Anthony/C-5889-2009; Livan, Michele/D-7531-2012; Gladilin,
Leonid/B-5226-2011; Carvalho, Joao/M-4060-2013; White, Ryan/E-2979-2015;
Mashinistov, Ruslan/M-8356-2015; Warburton, Andreas/N-8028-2013;
spagnolo, stefania/A-6359-2012; Buttar, Craig/D-3706-2011
OI Galhardo, Bruno/0000-0003-0641-301X; Prokofiev,
Kirill/0000-0002-2177-6401; Fabbri, Laura/0000-0002-4002-8353; Solodkov,
Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368;
Peleganchuk, Sergey/0000-0003-0907-7592; Li, Liang/0000-0001-6411-6107;
Monzani, Simone/0000-0002-0479-2207; Tikhomirov,
Vladimir/0000-0002-9634-0581; Kuday, Sinan/0000-0002-0116-5494;
Dell'Asta, Lidia/0000-0002-9601-4225; Cristinziani,
Markus/0000-0003-3893-9171; Kantserov, Vadim/0000-0001-8255-416X; Villa,
Mauro/0000-0002-9181-8048; Vanadia, Marco/0000-0003-2684-276X; Ippolito,
Valerio/0000-0001-5126-1620; Maneira, Jose/0000-0002-3222-2738;
Prokoshin, Fedor/0000-0001-6389-5399; Gauzzi, Paolo/0000-0003-4841-5822;
Camarri, Paolo/0000-0002-5732-5645; Mindur, Bartosz/0000-0002-5511-2611;
Gonzalez de la Hoz, Santiago/0000-0001-5304-5390; Guo,
Jun/0000-0001-8125-9433; Aguilar Saavedra, Juan
Antonio/0000-0002-5475-8920; Leyton, Michael/0000-0002-0727-8107; Jones,
Roger/0000-0002-6427-3513; Boyko, Igor/0000-0002-3355-4662; Vranjes
Milosavljevic, Marija/0000-0003-4477-9733; SULIN,
VLADIMIR/0000-0003-3943-2495; Brooks, William/0000-0001-6161-3570;
Vykydal, Zdenek/0000-0003-2329-0672; Mitsou,
Vasiliki/0000-0002-1533-8886; Di Domenico, Antonio/0000-0001-8078-2759;
Smirnova, Oxana/0000-0003-2517-531X; Doyle, Anthony/0000-0001-6322-6195;
Livan, Michele/0000-0002-5877-0062; Gladilin,
Leonid/0000-0001-9422-8636; Carvalho, Joao/0000-0002-3015-7821; White,
Ryan/0000-0003-3589-5900; Mashinistov, Ruslan/0000-0001-7925-4676;
Warburton, Andreas/0000-0002-2298-7315; spagnolo,
stefania/0000-0001-7482-6348;
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW Austria; FWF,
Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil;
NSERC, Canada; NRC, Canada; CFI, Canada; CERN, Chile; CONICYT, Chile;
CAS, China; MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR,
Czech Republic; MPO CR , Czech Republic; VSC CR, Czech Republic; DNRF,
Denmark; DNSRC, Denmark; Lundbeck Foundation, Denmark; EPLANET, European
Union; ERC, European Union; NSRF, European Union; IN2P3-CNRS, France;
CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, Germany; DFG, Germany; HGF,
Germany; MPG, Germany; AvH Foundation, Germany; GSRT, Greece; NSRF,
Greece; RGC, China; Hong Kong SAR, China; ISF, Israel; MINERVA, Israel;
GIF, Israel; I-CORE, Israel; Benoziyo Center, Israel; INFN, Italy; MEXT,
Japan; JSPS, Japan; CNRST, Morocco; FOM, Netherlands; NWO, Netherlands;
BRF, Norway; RCN, Norway; MNiSW, Poland; NCN, Poland; GRICES, Portugal;
FCT, Portugal; MNE/IFA, Romania; MES of Russia; NRC KI, Russian
Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS, Slovenia; MIZS,
Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg
Foundation, Sweden; SER, Switzerland; SNSF, Switzerland; Canton of Bern,
Switzerland; Canton of Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey;
STFC, United Kingdom; Royal Society, United Kingdom; Leverhulme Trust,
United Kingdom; DOE, United States of America; NSF, United States of
America
FX We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC,
Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq
and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile;
CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and
VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark;
EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France;
GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and
NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and
Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST,
Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN,
Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and
NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and
MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg
Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva,
Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and
Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.
NR 81
TC 5
Z9 5
U1 10
U2 55
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD AUG 27
PY 2015
IS 8
AR 137
DI 10.1007/JHEP08(2015)137
PG 65
WC Physics, Particles & Fields
SC Physics
GA CU4WT
UT WOS:000363532000003
ER
PT J
AU Kovilakam, M
Deshler, T
AF Kovilakam, Mahesh
Deshler, Terry
TI On the accuracy of stratospheric aerosol extinction derived from in situ
size distribution measurements and surface area density derived from
remote SAGE II and HALOE extinction measurements
SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
LA English
DT Article
ID PINATUBO VOLCANIC AEROSOL; SULFURIC-ACID AEROSOL; NORTHERN MIDLATITUDES;
CONDENSATION NUCLEI; OPTICAL-PROPERTIES; SULFATE AEROSOLS; OZONE
DEPLETION; EL-CHICHON; CLOUD; PARTICLES
AB In situ stratospheric aerosol measurements, from University of Wyoming optical particle counters (OPCs), are compared with Stratospheric Aerosol Gas Experiment (SAGE) II (versions 6.2 and 7.0) and Halogen Occultation Experiment (HALOE) satellite measurements to investigate differences between SAGE II/HALOE-measured extinction and derived surface area and OPC-derived extinction and surface area. Coincident OPC and SAGE II measurements are compared for a volcanic (1991-1996) and nonvolcanic (1997-2005) period. OPC calculated extinctions agree with SAGE II measurements, within instrumental uncertainty, during the volcanic period, but have been a factor of 2 low during the nonvolcanic period. Three systematic errors associated with the OPC measurements, anisokineticity, inlet particle evaporation, and counting efficiency, were investigated. An overestimation of the OPC counting efficiency is found to be the major source of systematic error. With this correction OPC calculated extinction increases by 15-30% (30-50%) for the volcanic (nonvolcanic) measurements. These changes significantly improve the comparison with SAGE II and HALOE extinctions in the nonvolcanic cases but slightly degrade the agreement in the volcanic period. These corrections have impacts on OPC-derived surface area density, exacerbating the poor agreement between OPC and SAGE II (version 6.2) surface areas. This disparity is reconciled with SAGE II version 7.0 surface areas. For both the volcanic and nonvolcanic cases these changes in OPC counting efficiency and in the operational SAGE II surface area algorithm leave the derived surface areas from both platforms in significantly better agreement and within the +/- 40% precision of the OPC moment calculations.
C1 [Kovilakam, Mahesh; Deshler, Terry] Univ Wyoming, Dept Atmospher Sci, Laramie, WY 82071 USA.
RP Kovilakam, M (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
EM mundakkaramv@ornl.gov
OI Kovilakam, Mahesh/0000-0002-6145-9304
FU U.S. National Science Foundation [ATM-1011827]
FX The stratospheric measurements from Laramie have been supported by
several agencies over the years, most notably the U.S. National Science
Foundation, which is supporting the current work under grant
ATM-1011827. Many people from the Department of Atmospheric Science are,
and have been, involved in the bimonthly balloon flights from Laramie.
We appreciate their effort and acknowledge their contribution toward the
quality of these measurements. We also thank the SAGE II science team
for the SAGE II measurements. SAGE II data used in this study are
downloaded from https://eosweb.larc.nasa.gov/project/sage2/sage2_table.
HALOE data are downloaded from http://haloe.gats-inc.com/home/index.php.
OPC measurements are available at http://www-das.uwyo.edu/similar to
deshler/Data/Aer_Meas_Wy_read_me.htm.
NR 56
TC 5
Z9 5
U1 3
U2 7
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 2169-897X
EI 2169-8996
J9 J GEOPHYS RES-ATMOS
JI J. Geophys. Res.-Atmos.
PD AUG 27
PY 2015
VL 120
IS 16
BP 8426
EP 8447
DI 10.1002/2015JD023303
PG 22
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CU3KX
UT WOS:000363425200026
ER
PT J
AU Yang, Q
Easter, RC
Campuzano-Jost, P
Jimenez, JL
Fast, JD
Ghan, SJ
Wang, HL
Berg, LK
Barth, MC
Liu, Y
Shrivastava, MB
Singh, B
Morrison, H
Fan, JW
Ziegler, CL
Bela, M
Apel, E
Diskin, GS
Mikoviny, T
Wisthaler, A
AF Yang, Qing
Easter, Richard C.
Campuzano-Jost, Pedro
Jimenez, Jose L.
Fast, Jerome D.
Ghan, Steven J.
Wang, Hailong
Berg, Larry K.
Barth, Mary C.
Liu, Ying
Shrivastava, Manishkumar B.
Singh, Balwinder
Morrison, Hugh
Fan, Jiwen
Ziegler, Conrad L.
Bela, Megan
Apel, Eric
Diskin, Glenn S.
Mikoviny, Tomas
Wisthaler, Armin
TI Aerosol transport and wet scavenging in deep convective clouds: A case
study and model evaluation using a multiple passive tracer analysis
approach
SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
LA English
DT Article
ID SIMULATED SQUALL LINE; WRF-CHEM; MARINE STRATOCUMULUS; SPECTRUM
FORMATION; MASS-SPECTROMETER; SOUTHEAST PACIFIC; REGIONAL AEROSOL;
CUMULUS CLOUDS; CLIMATE MODEL; VOCALS-REX
AB Wet scavenging of aerosols by continental deep convective clouds is studied for a supercell storm complex observed over Oklahoma during the Deep Convective Clouds and Chemistry campaign. A new passive-tracer-based transport analysis framework is developed to characterize convective transport using vertical profiles of several passive trace gases. For this case, the analysis estimates that observed passive gas mixing ratios in the upper troposphere convective outflow consist of 47% low level (<3km) inflow air, 32% entrained midtroposphere air, and 21% upper troposphere air. The new analysis framework is used to estimate aerosol wet scavenging efficiencies. Observations yield high overall scavenging efficiencies of 81% for submicron aerosol mass. Organic, sulfate, and ammonium aerosols have similar wet scavenging efficiencies (80%-84%). The apparent scavenging efficiency for nitrate aerosol is much lower (57%), but the scavenging efficiency for nitrate aerosol plus nitric acid combined (84%) is close to the other species. Scavenging efficiencies for aerosol number are high for larger particles (84% for 0.15-2.5 mu m diameter) but are lower for smaller particles (64% for 0.03-0.15 mu m). The storm is simulated using the chemistry version of the Weather Research and Forecasting model. Compared to the observation-based analysis, the standard model strongly underestimates aerosol scavenging efficiencies by 32% and 41% in absolute differences for submicron mass and number. Adding a new treatment of secondary activation significantly improves simulated aerosol scavenging, producing wet scavenging efficiencies that are only 7% and 8% lower than observed efficiencies. This finding emphasizes the importance of secondary activation for aerosol wet removal in deep convective storms.
C1 [Yang, Qing; Easter, Richard C.; Fast, Jerome D.; Ghan, Steven J.; Wang, Hailong; Berg, Larry K.; Liu, Ying; Shrivastava, Manishkumar B.; Singh, Balwinder; Fan, Jiwen] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Campuzano-Jost, Pedro; Jimenez, Jose L.; Bela, Megan] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA.
[Campuzano-Jost, Pedro; Jimenez, Jose L.; Bela, Megan] Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA.
[Barth, Mary C.; Morrison, Hugh; Apel, Eric] Natl Ctr Atmospher Res, Boulder, CO 80307 USA.
[Ziegler, Conrad L.] Natl Severe Storms Lab, Norman, OK 73069 USA.
[Diskin, Glenn S.] NASA, Langley Res Ctr, Hampton, VA 23665 USA.
[Mikoviny, Tomas] Oak Ridge Associated Univ, Oak Ridge, TN USA.
[Wisthaler, Armin] Univ Innsbruck, Inst Ion Phys & Appl Phys, A-6020 Innsbruck, Austria.
RP Yang, Q (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM qing.yang@pnnl.gov
RI Wang, Hailong/B-8061-2010; Jimenez, Jose/A-5294-2008; Berg,
Larry/A-7468-2016; Yang, Qing/H-3275-2011; Ghan, Steven/H-4301-2011;
Fan, Jiwen/E-9138-2011
OI Wang, Hailong/0000-0002-1994-4402; Jimenez, Jose/0000-0001-6203-1847;
Berg, Larry/0000-0002-3362-9492; Yang, Qing/0000-0003-2067-5999; Ghan,
Steven/0000-0001-8355-8699;
FU Office of Science of the U.S. Department of Energy as part of the
Atmospheric System Research Program; NASA [NNX12AC03G]; NSF
[AGS-1360834, AGS-1063945]; Austrian Federal Ministry for Transport,
Innovation and Technology (bmvit) through the Austrian Space
Applications Programme of the Austrian Research Promotion Agency (FFG);
NASA Postdoctoral Program (NPP); National Science Foundation; National
Science Foundation (NSF); National Aeronautics and Space Administration
(NASA); Deutsches Zentrum fur Luft- und Raumfahrt; National Oceanic and
Atmospheric Administration; [DE-AC06-76RLO 1830]
FX The DC3 data set is available to download from the NASA LARC site:
https://www-air.larc.nasa.gov/cgi-bin/ArcView/dc3-seac4rs#3. The
modeling data are available by contacting the corresponding author at
qing.yang@pnnl.gov. This research was supported by the Office of Science
of the U.S. Department of Energy as part of the Atmospheric System
Research Program. The Pacific Northwest National Laboratory is operated
by Battelle Memorial Institute under contract DE-AC06-76RLO 1830. We
thank Elaine Chapman for providing helpful editorial comments. We would
like to express our gratitude toward Anderson Bruce, Lee Thornhill, and
Gao Chen from NASA Langley; Allen Schanot and Jorgen Jensen from UCAR;
Sara Lance and Paul Lawson from SPEC, Inc., and Milos Markovic from
CIRES for providing the valuable measurement data and/or for their
guidance on the processing of the data. We thank Zhe Feng at PNNL and
Xiquan Dong at the University of North Dakota for providing access to
the data set. P.C.J. and J.L.J. were supported by NASA NNX12AC03G and
NSF AGS-1360834. Acetone and benzene measurements on the DC8 were
supported by the Austrian Federal Ministry for Transport, Innovation and
Technology (bmvit) through the Austrian Space Applications Programme of
the Austrian Research Promotion Agency (FFG). T.M. acknowledges funding
through the NASA Postdoctoral Program (NPP). The Mosaic NEXRAD radar
data set is produced by the National Severe Storms Laboratory (NSSL)
National Mosaic and QPE Project (now Multi-Radar Multi-Sensor, or
http://nmq.ou.edu). The NSSL mobile environmental soundings were
obtained during DC3 with support from NSF grant AGS-1063945. The
National Center for Atmospheric Research is sponsored by the National
Science Foundation. The National Science Foundation (NSF), the National
Aeronautics and Space Administration (NASA), the Deutsches Zentrum fur
Luft- und Raumfahrt, and the National Oceanic and Atmospheric
Administration are gratefully acknowledged for sponsoring the DC3 field
experiment.
NR 63
TC 9
Z9 9
U1 0
U2 18
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 2169-897X
EI 2169-8996
J9 J GEOPHYS RES-ATMOS
JI J. Geophys. Res.-Atmos.
PD AUG 27
PY 2015
VL 120
IS 16
BP 8448
EP 8468
DI 10.1002/2015JD023647
PG 21
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA CU3KX
UT WOS:000363425200027
ER
PT J
AU Hayes, AC
Friar, JL
Garvey, GT
Ibeling, D
Jungman, G
Kawano, T
Mills, RW
AF Hayes, A. C.
Friar, J. L.
Garvey, G. T.
Ibeling, Duligur
Jungman, Gerard
Kawano, T.
Mills, Robert W.
TI Possible origins and implications of the shoulder in reactor neutrino
spectra
SO PHYSICAL REVIEW D
LA English
DT Article
ID EXPERIMENTAL BETA-SPECTRA; FISSION-PRODUCTS; U-235 FISSION; PU-239;
ENERGY; DECAY; ANTINEUTRINOS; FLUX
AB We analyze within a nuclear database framework the shoulder observed in the antineutrino spectra in current reactor experiments. We find that the ENDF/B-VII.1 database predicts that the antineutrino shoulder arises from an analogous shoulder in the aggregate fission beta spectra. In contrast, the JEFF-3.1.1 database does not predict a shoulder for two out of three of the modern reactor neutrino experiments, and the shoulder that is predicted by JEFF-3.1.1 arises from U-238. We consider several possible origins of the shoulder, and find possible explanations. For example, there could be a problem with the measured aggregate beta spectra, or the harder neutron spectrum at a light-water power reactor could affect the distribution of beta-decaying isotopes. In addition to the fissile actinides, we find that U-238 could also play a significant role in distorting the total antineutrino spectrum. Distinguishing these and quantifying whether there is an anomaly associated with measured reactor neutrino signals will require new short-baseline experiments, both at thermal reactors and at reactors with a sizable epithermal neutron component.
C1 [Hayes, A. C.; Friar, J. L.; Garvey, G. T.; Ibeling, Duligur; Jungman, Gerard; Kawano, T.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Ibeling, Duligur] Harvard Univ, Cambridge, MA 02138 USA.
[Mills, Robert W.] Natl Nucl Lab, Sellafield CA20 1PG, England.
RP Hayes, AC (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
NR 44
TC 20
Z9 20
U1 0
U2 3
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
EI 1550-2368
J9 PHYS REV D
JI Phys. Rev. D
PD AUG 27
PY 2015
VL 92
IS 3
AR 033015
DI 10.1103/PhysRevD.92.033015
PG 7
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA CS6UQ
UT WOS:000362218800003
ER
PT J
AU Khachatryan, V
Sirunyan, AM
Tumasyan, A
Adam, W
Asilar, E
Bergauer, T
Brandstetter, J
Brondolin, E
Dragicevic, M
Ero, J
Flechl, M
Friedl, M
Fruhwirth, R
Ghete, VM
Hartl, C
Hormann, N
Hrubec, J
Jeitler, M
Knunz, V
Konig, A
Krammer, M
Kratschmer, I
Liko, D
Matsushita, T
Mikulec, I
Rabady, D
Rahbaran, B
Rohringer, H
Schieck, J
Schofbeck, R
Strauss, J
Treberer-Treberspurg, W
Waltenberger, W
Wulz, CE
Mossolov, V
Shumeiko, N
Gonzalez, JS
Alderweireldt, S
Cornelis, T
De Wolf, EA
Janssen, X
Knutsson, A
Lauwers, J
Luyckx, S
Ochesanu, S
Rougny, R
de Klundert, MV
Van Haevermaet, H
Van Mechelen, P
Van Remortel, N
Van Spilbeeck, A
Abu Zeid, S
Blekman, F
D'Hondt, J
Daci, N
De Bruyn, I
Deroover, K
Heracleous, N
Keaveney, J
Lowette, S
Moreels, L
Olbrechts, A
Python, Q
Strom, D
Tavernier, S
Van Doninck, W
Van Mulders, P
Van Onsem, GP
Van Parijs, I
Barria, P
Caillol, C
Clerbaux, B
De Lentdecker, G
Delannoy, H
Dobur, D
Fasanella, G
Favart, L
Gay, APR
Grebenyuk, A
Lenzi, T
Leonard, A
Maerschalk, T
Marinov, A
Mohammadi, A
Pernie, L
Randle-conde, A
Reis, T
Seva, T
Velde, CV
Vanlaer, P
Yonamine, R
Zenoni, F
Zhang, F
Beernaert, K
Benucci, L
Cimmino, A
Crucy, S
Fagot, A
Garcia, G
Gul, M
Mccartin, J
Rios, AAO
Poyraz, D
Ryckbosch, D
Diblen, SS
Sigamani, M
Strobbe, N
Tytgat, M
Van Driessche, W
Yazgan, E
Zaganidis, N
Basegmez, S
Beluffi, C
Bondu, O
Bruno, G
Castello, R
Caudron, A
Ceard, L
Da Silveira, GG
Delaere, C
Favart, D
Forthomme, L
Giammanco, A
Hollar, J
Jafari, A
Jez, P
Komm, M
Lemaitre, V
Mertens, A
Nuttens, C
Perrini, L
Pin, A
Piotrzkowski, K
Popov, A
Quertenmont, L
Selvaggi, M
Marono, MV
Beliy, N
Hammad, GH
Alda, WL
Alves, GA
Brito, L
Martins, MC
Martins, TDR
Hensel, C
Herrera, CM
Moraes, A
Pol, ME
Teles, PR
Das Chagas, EBB
Carvalho, W
Chinellato, J
Custodio, A
Da Costa, EM
Damiao, DD
Martins, CD
De Souza, SF
Guativa, LMH
Malbouisson, H
Figueiredo, DM
Mundim, L
Nogima, H
Da Silva, WLP
Santoro, A
Sznajder, A
Manganote, EJT
Pereira, AV
Ahuja, S
Bernardes, CA
Santos, ADS
Dogra, S
Tomei, TRFP
Gregores, EM
Mercadante, PG
Moon, CS
Novaes, SF
Padula, SS
Abad, DR
Vargas, JCR
Aleksandrov, A
Genchev, V
Hadjiiska, R
Iaydjiev, P
Piperov, S
Rodozov, M
Stoykova, S
Sultanov, G
Vutova, M
Dimitrov, A
Glushkov, I
Litov, L
Pavlov, B
Petkov, P
Ahmad, M
Bian, JG
Chen, GM
Chen, HS
Chen, M
Cheng, T
Du, R
Jiang, CH
Plestina, R
Romeo, F
Shaheen, SM
Tao, J
Wang, C
Wang, Z
Zhang, H
Asawatangtrakuldee, C
Ban, Y
Li, Q
Liu, S
Mao, Y
Qian, SJ
Wang, D
Xu, Z
Zou, W
Avila, C
Cabrera, A
Sierra, LFC
Florez, C
Gomez, JP
Moreno, BG
Sanabria, JC
Godinovic, N
Lelas, D
Polic, D
Puljak, I
Antunovic, Z
Kovac, M
Brigljevic, V
Kadija, K
Luetic, J
Sudic, L
Attikis, A
Mavromanolakis, G
Mousa, J
Nicolaou, C
Ptochos, F
Razis, PA
Rykaczewski, H
Bodlak, M
Finger, M
Finger, M
Aly, R
Aly, S
Assran, Y
Kamel, AE
Lotfy, A
Mahmoud, MA
Radi, A
Sayed, A
Calpas, B
Kadastik, M
Murumaa, M
Raidal, M
Tiko, A
Veelken, C
Eerola, P
Pekkanen, J
Voutilainen, M
Harkonen, J
Karimaki, V
Kinnunen, R
Lampen, T
Lassila-Perini, K
Lehti, S
Linden, T
Luukka, P
Maenpaa, T
Peltola, T
Tuominen, E
Tuominiemi, J
Tuovinen, E
Wendland, L
Talvitie, J
Tuuva, T
Besancon, M
Couderc, F
Dejardin, M
Denegri, D
Fabbro, B
Faure, JL
Favaro, C
Ferri, F
Ganjour, S
Givernaud, A
Gras, P
de Monchenault, GH
Jarry, P
Locci, E
Machet, M
Malcles, J
Rander, J
Rosowsky, A
Titov, M
Zghiche, A
Baffioni, S
Beaudette, F
Busson, P
Cadamuro, L
Chapon, E
Charlot, C
Dahms, T
Davignon, O
Filipovic, N
Florent, A
de Cassagnac, RG
Lisniak, S
Mastrolorenzo, L
Mine, P
Naranjo, IN
Nguyen, M
Ochando, C
Ortona, G
Paganini, P
Regnard, S
Salerno, R
Sauvan, JB
Sirois, Y
Strebler, T
Yilmaz, Y
Zabi, A
Agram, JL
Andrea, J
Aubin, A
Bloch, D
Brom, JM
Buttignol, M
Chabert, EC
Chanon, N
Collard, C
Conte, E
Coubez, X
Fontaine, JC
Gele, D
Goerlach, U
Goetzmann, C
Le Bihan, AC
Merlin, JA
Skovpen, K
Van Hove, P
Gadrat, S
Beauceron, S
Bernet, C
Boudoul, G
Bouvier, E
Brochet, S
Montoya, CAC
Chasserat, J
Chierici, R
Contardo, D
Courbon, B
Depasse, P
El Mamouni, H
Fan, J
Fay, J
Gascon, S
Gouzevitch, M
Ille, B
Laktineh, IB
Lethuillier, M
Mirabito, L
Pequegnot, AL
Perries, S
Alvarez, JDR
Sabes, D
Sgandurra, L
Sordini, V
Donckt, MV
Verdier, P
Viret, S
Xiao, H
Bagaturia, I
Autermann, C
Beranek, S
Edelhoff, M
Feld, L
Heister, A
Kiesel, MK
Klein, K
Lipinski, M
Ostapchuk, A
Preuten, M
Raupach, F
Sammet, J
Schael, S
Schulte, JF
Verlage, T
Weber, H
Wittmer, B
Zhukov, V
Ata, M
Brodski, M
Dietz-Laursonn, E
Duchardt, D
Endres, M
Erdmann, M
Erdweg, S
Esch, T
Fischer, R
Guth, A
Hebbeker, T
Heidemann, C
Hoepfner, K
Klingebiel, D
Knutzen, S
Kreuzer, P
Merschmeyer, M
Meyer, A
Millet, P
Olschewski, M
Padeken, K
Papacz, P
Pook, T
Radziej, M
Reithler, H
Rieger, M
Scheuch, F
Sonnenschein, L
Teyssier, D
Thuer, S
Cherepanov, V
Erdogan, Y
Flugge, G
Geenen, H
Geisler, M
Hoehle, F
Kargoll, B
Kress, T
Kuessel, Y
Kunsken, A
Lingemann, J
Nehrkorn, A
Nowack, A
Nugent, IM
Pistone, C
Pooth, O
Stahl, A
Martin, MA
Asin, I
Bartosik, N
Behnke, O
Behrens, U
Bell, AJ
Borras, K
Burgmeier, A
Cakir, A
Calligaris, L
Campbell, A
Choudhury, S
Costanza, F
Pardos, CD
Dolinska, G
Dooling, S
Dorland, T
Eckerlin, G
Eckstein, D
Eichhorn, T
Flucke, G
Gallo, E
Garcia, JG
Geiser, A
Gizhko, A
Gunnellini, P
Hauk, J
Hempel, M
Jung, H
Kalogeropoulos, A
Karacheban, O
Kasemann, M
Katsas, P
Kieseler, J
Kleinwort, C
Korol, I
Lange, W
Leonard, J
Lipka, K
Lobanov, A
Lohmann, W
Mankel, R
Marfin, I
Melzer-Pellmann, IA
Meyer, AB
Mittag, G
Mnich, J
Mussgiller, A
Naumann-Emme, S
Nayak, A
Ntomari, E
Perrey, H
Pitzl, D
Placakyte, R
Raspereza, A
Cipriano, PMR
Roland, B
Sahin, MO
Saxena, P
Schoerner-Sadenius, T
Schroder, M
Seitz, C
Spannagel, S
Trippkewitz, KD
Wissing, C
Blobel, V
Vignali, MC
Draeger, AR
Erfle, J
Garutti, E
Goebel, K
Gonzalez, D
Gorner, M
Haller, J
Hoffmann, M
Hoing, RS
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Klanner, R
Kogler, R
Lapsien, T
Lenz, T
Marchesini, I
Marconi, D
Nowatschin, D
Ott, J
Pantaleo, F
Peiffer, T
Perieanu, A
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Poehlsen, J
Rathjens, D
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Schettler, H
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Schlieckau, E
Schmidt, A
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Steinbruck, G
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Butz, E
Chwalek, T
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Hartmann, F
Husemann, U
Kassel, F
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Muller, T
Plagge, M
Quast, G
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Wolf, R
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Montecassiano, F
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Nam, SK
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Kim, H
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Lee, JSH
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Kwon, E
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Yu, I
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Ali, MABM
Idris, FM
Abdullah, WATW
Linares, EC
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Lanev, A
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Kim, V
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Pashenkov, A
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Toropin, A
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Azhgirey, I
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Kachanov, V
Kalinin, A
Konstantinov, D
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Ryutin, R
Sobol, A
Tourtchanovitch, L
Troshin, S
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Uzunian, A
Volkov, A
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CA CMS Collaboration
TI Search for the standard model Higgs boson produced through vector boson
fusion and decaying to b(b)over-bar
SO PHYSICAL REVIEW D
LA English
DT Article
ID ATLAS DETECTOR; LHC; SYMMETRIES; PHYSICS; MASS
AB A first search is reported for a standard model Higgs boson (H) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8 fb(-1) and 18.3 fb(-1) of proton-proton collisions at root s = 8 TeV were selected for this channel at the CERN LHC. The observed significance in these data samples for a H -> b (b) over bar signal at a mass of 125 GeV is 2.2 standard deviations, while the expected significance is 0.8 standard deviations. The fitted signal strength mu = sigma/sigma(SM) = 2.8(-1.4)(+1.6). The combination of this result with other CMS searches for the Higgs boson decaying to a b-quark pair yields a signal strength of 1.0 +/- 0.4, corresponding to a signal significance of 2.6 standard deviations for a Higgs boson mass of 125 GeV.
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[Blobel, V.; Vignali, M. Centis; Draeger, A. R.; Erfle, J.; Garutti, E.; Goebel, K.; Gonzalez, D.; Goerner, M.; Haller, J.; Hoffmann, M.; Hoeing, R. S.; Junkes, A.; Klanner, R.; Kogler, R.; Lapsien, T.; Lenz, T.; Marchesini, I.; Marconi, D.; Nowatschin, D.; Ott, J.; Pantaleo, F.; Peiffer, T.; Perieanu, A.; Pietsch, N.; Poehlsen, J.; Rathjens, D.; Sander, C.; Schettler, H.; Schleper, P.; Schlieckau, E.; Schmidt, A.; Schwandt, J.; Seidel, M.; Sola, V.; Stadie, H.; Steinbrueck, G.; Tholen, H.; Troendle, D.; Usai, E.; Vanelderen, L.; Vanhoefer, A.] Univ Hamburg, Hamburg, Germany.
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[Anagnostou, G.; Daskalakis, G.; Geralis, T.; Giakoumopoulou, V. A.; Kyriakis, A.; Loukas, D.; Markou, A.; Psallidas, A.; Topsis-Giotis, I.] NCSR Demokritos, Inst Nucl & Particle Phys, Aghia Paraskevi, Greece.
[Agapitos, A.; Kesisoglou, S.; Panagiotou, A.; Saoulidou, N.; Tziaferi, E.; Sphicas, P.] Univ Athens, Athens, Greece.
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[Creanza, D.; De Filippis, N.; Iaselli, G.; Maggi, G.; My, S.; Pugliese, G.] Politecn Bari, Bari, Italy.
[Fasanella, G.; Abbiendi, G.; Battilana, C.; Benvenuti, A. C.; Bonacorsi, D.; Braibant-Giacomelli, S.; Brigliadori, L.; Campanini, R.; Capiluppi, P.; Castro, A.; Codispoti, G.; Cuffiani, M.; Dallavalle, G. M.; Fabbri, F.; Fanfani, A.; Fasanella, D.; Giacomelli, P.; Grandi, C.; Guiducci, L.; Marcellini, S.; Masetti, G.; Montanari, A.; Navarria, F. L.; Perrotta, A.; Rossi, A. M.; Rovelli, T.; Siroli, G. P.; Tosi, N.; Travaglini, R.; Cavallo, N.] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy.
[Bonacorsi, D.; Braibant-Giacomelli, S.; Brigliadori, L.; Campanini, R.; Capiluppi, P.; Castro, A.; Codispoti, G.; Cuffiani, M.; Fanfani, A.; Fasanella, D.; Guiducci, L.; Navarria, F. L.; Rossi, A. M.; Rovelli, T.; Siroli, G. P.; Tosi, N.; Travaglini, R.] Univ Bologna, Bologna, Italy.
[Cappello, G.; Chiorboli, M.; Costa, S.; Giordano, F.; Potenza, R.; Tricomi, A.; Tuve, C.] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy.
[Chiorboli, M.; Costa, S.; Potenza, R.; Tricomi, A.; Tuve, C.] Univ Catania, Catania, Italy.
CSFNSM, Catania, Italy.
[Barbagli, G.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Gonzi, S.; Gori, V.; Lenzi, P.; Meschini, M.; Paoletti, S.; Sguazzoni, G.; Tropiano, A.; Viliani, L.] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy.
[Ciulli, V.; D'Alessandro, R.; Focardi, E.; Gonzi, S.; Gori, V.; Lenzi, P.; Tropiano, A.; Viliani, L.] Univ Florence, Florence, Italy.
[Fabbri, F.; Benussi, L.; Bianco, S.; Piccolo, D.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Calvelli, V.; Ferro, F.; Lo Vetere, M.; Robutti, E.; Tosi, S.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy.
[Calvelli, V.; Lo Vetere, M.; Tosi, S.] Univ Genoa, Genoa, Italy.
[Dinardo, M. E.; Fiorendi, S.; Gennai, S.; Gerosa, R.; Ghezzi, A.; Govoni, P.; Malvezzi, S.; Manzoni, R. A.; Marzocchi, B.; Menasce, D.; Moroni, L.; Paganoni, M.; Pedrini, D.; Ragazzi, S.; Redaelli, N.; de Fatis, T. Tabarelli] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20133 Milan, Italy.
[Dinardo, M. E.; Fiorendi, S.; Gerosa, R.; Ghezzi, A.; Govoni, P.; Manzoni, R. A.; Marzocchi, B.; Paganoni, M.; Ragazzi, S.; de Fatis, T. Tabarelli] Univ Milano Bicocca, Milan, Italy.
[Buontempo, S.; Cavallo, N.; Di Guida, S.; Esposito, M.; Fabozzi, F.; Iorio, A. O. M.; Lanza, G.; Lista, L.; Meola, S.; Merola, M.; Paolucci, P.; Sciacca, C.; Thyssen, F.] Ist Nazl Fis Nucl, Sez Napoli, Rome, Italy.
[Esposito, M.; Iorio, A. O. M.; Sciacca, C.] Univ Naples Federico II, Rome, Italy.
[Cavallo, N.; Fabozzi, F.] Univ Basilicata, Rome, Italy.
[Meola, S.; Guida, R.] Univ Guglielmo Marconi, Rome, Italy.
[Azzi, P.; Bacchetta, N.; Bisello, D.; Boletti, A.; Carlin, R.; Checchia, P.; Dall'Osso, M.; Dorigo, T.; Gasparini, F.; Gasparini, U.; Gozzelino, A.; Lacaprara, S.; Margoni, M.; Meneguzzo, A. T.; Montecassiano, F.; Passaseo, M.; Pazzini, J.; Pegoraro, M.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Torassa, E.; Tosi, M.; Vanini, S.; Zanetti, M.; Zotto, P.; Zucchetta, A.; Zumerle, G.] Ist Nazl Fis Nucl, Sez Padova, Trento, Italy.
[Bisello, D.; Boletti, A.; Carlin, R.; Dall'Osso, M.; Gasparini, F.; Gasparini, U.; Margoni, M.; Meneguzzo, A. T.; Pazzini, J.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Tosi, M.; Vanini, S.; Zotto, P.; Zucchetta, A.; Zumerle, G.] Univ Padua, Padua, Italy.
Univ Trento, Trento, Italy.
[Braghieri, A.; Magnani, A.; Ratti, S. P.; Re, V.; Riccardi, C.; Salvini, P.; Vai, I.; Vitulo, P.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy.
[Ratti, S. P.; Riccardi, C.; Vitulo, P.] Univ Pavia, I-27100 Pavia, Italy.
[Solestizi, L. Alunni; Biasini, M.; Bilei, G. M.; Ciangottini, D.; Fano, L.; Lariccia, P.; Mantovani, G.; Menichelli, M.; Saha, A.; Santocchia, A.; Spiezia, A.] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy.
[Solestizi, L. Alunni; Biasini, M.; Ciangottini, D.; Fano, L.; Lariccia, P.; Mantovani, G.; Santocchia, A.; Spiezia, A.] Univ Perugia, I-06100 Perugia, Italy.
[Androsov, K.; Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Broccolo, G.; Castaldi, R.; Ciocci, M. A.; Dell'Orso, R.; Donato, S.; Fedi, G.; Foa, L.; Giassi, A.; Grippo, M. T.; Ligabue, F.; Lomtadze, T.; Martini, L.; Messineo, A.; Palla, F.; Rizzi, A.; Savoy-Navarro, A.; Serban, A. T.; Spagnolo, P.; Squillacioti, P.; Tenchini, R.; Tonelli, G.; Venturi, A.; Verdini, P. G.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy.
[Martini, L.; Messineo, A.; Rizzi, A.; Tonelli, G.] Univ Pisa, Pisa, Italy.
[Broccolo, G.; Donato, S.; Foa, L.; Ligabue, F.] Scuola Normale Super Pisa, Pisa, Italy.
[Barone, L.; Cavallari, F.; D'imperio, G.; Del Re, D.; Diemoz, M.; Gelli, S.; Jorda, C.; Longo, E.; Margaroli, F.; Meridiani, P.; Micheli, F.; Organtini, G.; Paramatti, R.; Preiato, F.; Rahatlou, S.; Rovelli, C.; Santanastasio, F.; Traczyk, P.] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy.
[Margoni, M.; Barone, L.; D'imperio, G.; Del Re, D.; Gelli, S.; Longo, E.; Micheli, F.; Organtini, G.; Preiato, F.; Rahatlou, S.; Traczyk, P.] Univ Rome, Rome, Italy.
[Amapane, N.; Arcidiacono, R.; Argiro, S.; Arneodo, M.; Bellan, R.; Biino, C.; Cartiglia, N.; Costa, M.; Covarelli, R.; Degano, A.; Demaria, N.; Finco, L.; Kiani, B.; Mariotti, C.; Maselli, S.; Migliore, E.; Monaco, V.; Monteil, E.; Musich, M.; Obertino, M. M.; Pacher, L.; Pastrone, N.; Pelliccioni, M.; Angioni, G. L. Pinna; Ravera, F.; Romero, A.; Ruspa, M.; Sacchi, R.; Solano, A.; Staiano, A.] Ist Nazl Fis Nucl, Sez Torino, Novara, Italy.
[Amapane, N.; Argiro, S.; Bellan, R.; Costa, M.; Covarelli, R.; Degano, A.; Finco, L.; Kiani, B.; Migliore, E.; Monaco, V.; Monteil, E.; Ravera, F.; Romero, A.; Sacchi, R.; Solano, A.] Univ Turin, Novara, Italy.
[Arcidiacono, R.; Arneodo, M.; Ruspa, M.] Univ Piemonte Orientale, Novara, Italy.
[Belforte, S.; Candelise, V.; Casarsa, M.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; La Licata, C.; Marone, M.; Schizzi, A.; Umer, T.; Zanetti, A.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy.
[Candelise, V.; Della Ricca, G.; La Licata, C.; Marone, M.; Schizzi, A.; Umer, T.] Univ Trieste, Trieste, Italy.
[Chang, S.; Kropivnitskaya, A.; Nam, S. K.] Kangwon Natl Univ, Dept Chem, Chunchon, South Korea.
[Kim, D. H.; Kim, G. N.; Kim, M. S.; Kong, D. J.; Lee, S.; Oh, Y. D.; Sakharov, A.; Son, D. C.; Kamon, T.] Kyungpook Natl Univ, Daegu, South Korea.
[Cifuentes, J. A. Brochero; Kim, H.; Kim, T. J.; Ryu, M. S.] Chonbuk Natl Univ, Jeonju, South Korea.
[Song, S.] Chonnam Natl Univ, Inst Univ & Elementary Particles, Kwangju, South Korea.
[Lee, S.; Kim, H.; Choi, S.; Go, Y.; Gyun, D.; Hong, B.; Jo, M.; Kim, Y.; Lee, B.; Lee, K. S.; Park, S. K.; Roh, Y.] Korea Univ, Seoul, South Korea.
[Yoo, H. D.] Seoul Natl Univ, Seoul, South Korea.
[Kim, H.; Choi, M.; Kim, J. H.; Lee, J. S. H.; Park, I. C.; Ryu, G.] Univ Seoul, Seoul, South Korea.
[Choi, Y.; Choi, Y. K.; Goh, J.; Kim, D.; Kwon, E.; Lee, J.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea.
[Juodagalvis, A.; Vaitkus, J.] Vilnius State Univ, Vilnius, Lithuania.
[Ahmed, I.; Ibrahim, Z. A.; Komaragiri, J. R.; Ali, M. A. B. Md; Idris, F. Mohamad; Abdullah, W. A. T. Wan] Univ Malaya, Natl Ctr Particle Phys, Kuala Lumpur, Malaysia.
[Linares, E. Casimiro; Castilla-Valdez, H.; De la Cruz-Burelo, E.; La Cruz, I. Heredia-de; Hernandez-Almada, A.; Lopez-Fernandez, R.; Sanchez-Hernandez, A.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico.
[Moreno, S. Carrillo; Valencia, F. Vazquez] Univ Iberoamer, Mexico City, DF, Mexico.
[Carpinteyro, S.; Pedraza, I.; Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
[Morelos Pineda, A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico.
[Krofcheck, D.] Univ Auckland, Auckland 1, New Zealand.
[Butler, P. H.; Reucroft, S.] Univ Canterbury, Christchurch 1, New Zealand.
[Ahmad, M.; Ahmad, A.; Hassan, Q.; Hoorani, H. R.; Khan, W. A.; Khurshid, T.; Shoaib, M.] Quaid I Azam Univ, Natl Ctr Phys, Islamabad, Pakistan.
[Bialkowska, H.; Bluj, M.; Boimska, B.; Frueboes, T.; Gorski, M.; Kazana, M.; Romanowska-Rybinska, K.; Szleper, M.; Zalewski, P.] Natl Ctr Nucl Res, Otwock, Poland.
[Brona, G.; Bunkowski, K.; Doroba, K.; Kalinowski, A.; Konecki, M.; Krolikowski, J.; Misiura, M.; Olszewski, M.; Walczak, M.] Univ Warsaw, Fac Phys, Inst Expt Phys, Warsaw, Poland.
[Bargassa, P.; Silva, C. Beirao Da Cruz E.; Di Francesco, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Lloret Iglesias, L.; Nguyen, F.; Rodrigues Antunes, J.; Seixas, J.; Toldaiev, O.; Vadruccio, D.; Varela, J.; Vischia, P.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal.
[Afanasiev, S.; Bunin, P.; Gavrilenko, M.; Golutvin, I.; Gorbunov, I.; Kamenev, A.; Karjavin, V.; Konoplyanikov, V.; Lanev, A.; Matveev, V.; Palichik, V.; Perelygin, V.; Shmatov, S.; Shulha, S.; Skatchkov, N.; Smirnov, V.; Toriashvili, T.; Zarubin, A.; Smirnov, I.] Joint Inst Nucl Res, Dubna, Russia.
[Golovtsov, V.; Ivanov, Y.; Kim, V.; Kuznetsova, E.; Levchenko, P.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.; Vorobiev, I.] Petersburg Nucl Phys Inst, Gatchina, St Petersburg, Russia.
[Andreev, Yu.; Dermenev, A.; Gninenko, S.; Golubev, N.; Karneyeu, A.; Kirsanov, M.; Krasnikov, N.; Pashenkov, A.; Tlisov, D.] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia.
[Gavrilov, V.; Lychkovskaya, N.; Popov, V.; Safronov, G.; Spiridonov, A.; Vlasov, E.; Zhokin, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Bylinkin, A.] Natl Res Nucl Univ, Moscow Engn Phys Inst MEPhI, Moscow, Russia.
[Andreev, V.; Dremin, I.; Leonidov, A.; Mesyats, G.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia.
[Baskakov, A.; Belyaev, A.; Boos, E.; Bunichev, V.; Dubinin, M.; Dudko, L.; Klyukhin, V.; Kodolova, O.; Lokhtin, I.; Myagkov, I.; Obraztsov, S.; Perfilov, M.; Petrushanko, S.; Savrin, V.] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
[Azhgirey, I.; Bayshev, I.; Bitioukov, S.; Kachanov, V.; Kalinin, A.; Konstantinov, D.; Krychkine, V.; Petrov, V.; Ryutin, R.; Tourtchanovitch, L.; Tyurin, N.; Uzunian, A.; Volkov, A.] State Res Ctr Russian Federat, Inst High Energy Phys, Protvino, Russia.
[Adzic, P.; Ekmedzic, M.; Milosevic, J.; Rekovic, V.] Univ Belgrade, Fac Phys, YU-11001 Belgrade, Serbia.
[Adzic, P.; Ekmedzic, M.; Milosevic, J.; Rekovic, V.] Vinca Inst Nucl Sci, Belgrade, Serbia.
[Chinellato, J.; Sultanov, G.; Romero, A.; Alcaraz Maestre, J.; Calvo, E.; Cerrada, M.; Colino, N.; De la Cruz, B.; Peris, A. Delgado; Dominguez Vazquez, D.; Escalante Del Valle, A.; Fernandez Bedoya, C.; Fernandez Ramos, J. P.; Flix, J.; Fouz, M. C.; Garcia-Abia, P.; Gonzalez Lopez, O.; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; De Martino, E. Navarro; Yzquierdo, A. Perez-Calero; Puerta Pelayo, J.; Quintario Olmeda, A.; Redondo, I.; Romero, L.; Soares, M. S.] CIEMAT, E-28040 Madrid, Spain.
[Albajar, C.; De Troconiz, J. F.; Missiroli, M.; Moran, D.] Univ Autonoma Madrid, Madrid, Spain.
[Brun, H.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Palencia Cortezon, E.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain.
[Cabrillo, I. J.; Calderon, A.; De Castro Manzano, P.; Duarte Campderros, J.; Graziano, A.; Lopez Virto, A.; Marco, J.; Marco, R.; Munoz Sanchez, F. J.; Piedra Gomez, J.; Rodrigo, T.; Rodriguez-Marrero, A. Y.; Ruiz-Jimeno, A.; Scodellaro, L.; Vila, I.; Vilar Cortabitarte, R.] Univ Cantabria, CSIC, Inst FIS Cantabria IFCA, E-39005 Santander, Spain.
[Abdulsalam, A.; Abbaneo, D.; Auffray, E.; Bendavid, J.; Benhabib, L.; Benitez, J. F.; Berruti, G. M.; Bloch, P.; Bocci, A.; Bonato, A.; Botta, C.; Breuker, H.; Camporesi, T.; Cerminara, G.; Colafranceschi, S.; D'Alfonso, M.; d'Enterria, D.; Dabrowski, A.; Daponte, V.; Gill, K.; Giordano, D.; Girone, M.; Glege, F.; Guida, R.; Gundacker, S.; Guthoff, M.; Hammer, J.; Hansen, M.; Harris, P.; Hegeman, J.; Innocente, V.; Janot, P.; Kirschenmann, H.; Kortelainen, M. J.; Kousouris, K.; Krajczar, K.; Lecoq, P.; Lourenco, C.; Lucchini, M. T.; Magini, N.; Malgeri, L.; Mannelli, M.; Marrouche, J.; Martelli, A.; Masetti, L.; Meijers, F.; Mersi, S.; Meschi, E.; Moortgat, F.; Morovic, S.; Orfanelli, S.; Perez, E.; Petrilli, A.; Petrucciani, G.; Pfeiffer, A.; Piparo, D.; Racz, A.; Rolandi, G.; Rovere, M.; Ruan, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Sharma, A.; Silva, P.; Simon, M.; Sphicas, P.; Spiga, D.; Steggemann, J.; Stieger, B.; Stoye, M.; Takahashi, Y.; Treille, D.; Tsirou, A.; Veres, G. I.; Wardle, N.; Woehri, H. K.; Zagozdzinska, A.; Zeuner, W. D.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[Bertl, W.; Deiters, K.; Erdmann, W.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Kotlinski, D.; Langenegger, U.; Rohe, T.] Paul Scherrer Inst, Villigen, Switzerland.
[Bachmair, F.; Baeni, L.; Bianchini, L.; Buchmann, M. A.; Casal, B.; Dissertori, G.; Dittmar, M.; Donega, M.; Duenser, M.; Eller, P.; Mangano, B.; Marini, A. C.; Marionneau, M.; del Arbol, P. Martinez Ruiz; Masciovecchio, M.; Meister, D.; Musella, P.; Nessi-Tedaldi, F.; Pandolfi, F.; Pata, J.; Pauss, F.; Perrozzi, L.; Peruzzi, M.; Starodumov, A.] ETH, Inst Particle Phys, Zurich, Switzerland.
[Aarrestad, T. K.; Amsler, C.; Caminada, L.; Canelli, M. F.; Chiochia, V.; De Cosa, A.; Galloni, C.; Hinzmann, A.; Hreus, T.; Kilminster, B.; Lange, C.; Ngadiuba, J.; Pinna, D.; Robmann, P.; Ronga, F. J.; Salerno, D.; Taroni, S.; Yang, Y.] Univ Zurich, Zurich, Switzerland.
[Cardaci, M.; Chen, K. H.; Doan, T. H.; Ferro, C.; Konyushikhin, M.; Kuo, C. M.; Lin, W.; Lu, Y. J.; Volpe, R.; Yu, S. S.] Natl Cent Univ, Chungli 32054, Taiwan.
[Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Chen, P. H.; Dietz, C.; Fiori, F.; Grundler, U.; Hou, W. -S.; Hsiung, Y.; Liu, Y. F.; Lu, R. -S.; Moya, M. Minano; Petrakou, E.; Tsai, J. F.; Tzeng, Y. M.; Wilken, R.] Natl Taiwan Univ, Taipei 10764, Taiwan.
[Asavapibhop, B.; Kovitanggoon, K.; Singh, G.; Srimanobhas, N.; Suwonjandee, N.] Chulalongkorn Univ, Fac Sci, Dept Phys, Bangkok, Thailand.
[Adiguzel, A.; Cerci, S.; Dozen, C.; Girgis, S.; Gokbulut, G.; Guler, Y.; Gurpinar, E.; Hos, I.; Kangal, E. E.; Topaksu, A. Kayis; Onengut, G.; Ozdemir, K.; Ozturk, S.; Tali, B.; Topakli, H.; Vergili, M.; Zorbilmez, C.] Cukurova Univ, Adana, Turkey.
[Akin, I. V.; Bilin, B.; Bilmis, S.; Isildak, B.; Karapinar, G.; Surat, U. E.; Yalvac, M.; Zeyrek, M.] Middle E Tech Univ, TR-06531 Ankara, Turkey.
[Albayrak, E. A.; Guelmez, E.; Kaya, M.; Kaya, O.; Yetkin, T.] Bogazici Univ, Istanbul, Turkey.
[Cankocak, K.; Sen, S.; Vardarli, F. I.] Istanbul Tech Univ, TR-80626 Istanbul, Turkey.
[Grynyov, B.] Natl Acad Sci Ukraine, Inst Scintillat Mat, Kharkov, Ukraine.
[Levchuk, L.; Sorokin, P.] Kharkov Inst Phys & Technol, Natl Sci Ctr, Kharkov, Ukraine.
[Aggleton, R.; Ball, F.; Beck, L.; Brooke, J. J.; Clement, E.; Cussans, D.; Flacher, H.; Goldstein, J.; Grimes, M.; Heath, G. P.; Heath, H. F.; Jacob, J.; Kreczko, L.; Lucas, C.; Newbold, D. M.; Paramesvaran, S.; Poll, A.; Sakuma, T.; El Nasr-Storey, S. Seif; Senkin, S.; Smith, D.; Smith, V. J.; Meng, F.] Univ Bristol, Bristol, Avon, England.
[Bell, A. J.; Brew, C.; Brown, R. M.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Olaiya, E.; Petyt, D.; Shepherd-Themistocleous, C. H.; Thea, A.; Thomas, L.; Tomalin, I. R.; Williams, T.; Womersley, W. J.; Worm, S. D.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Magnani, A.; Lucas, C.; Baber, M.; Bainbridge, R.; Buchmuller, O.; Bundock, A.; Burton, D.; Casasso, S.; Citron, M.; Colling, D.; Corpe, L.; Cripps, N.; Dauncey, P.; Davies, G.; De Wit, A.; Della Negra, M.; Dunne, P.; Elwood, A.; Ferguson, W.; Fulcher, J.; Futyan, D.; Hall, G.; Iles, G.; Karapostoli, G.; Kenzie, M.; Lane, R.; Lyons, L.; Magnan, A. -M.; Malik, S.; Nash, J.; Nikitenko, A.; Pela, J.; Pesaresi, M.; Petridis, K.; Raymond, D. M.; Richards, A.; Rose, A.; Seez, C.; Tapper, A.; Uchida, K.; Acosta, M. Vazquez; Virdee, T.; Zenz, S. C.] Univ London Imperial Coll Sci Technol & Med, London, England.
[Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leggat, D.; Leslie, D.; Reid, I. D.; Symonds, P.; Teodorescu, L.; Turner, M.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Borzou, A.; Dittmann, J.; Hatakeyama, K.; Kasmi, A.; Liu, H.; Pastika, N.] Baylor Univ, Waco, TX 76798 USA.
[Charaf, O.; Cooper, S. I.; Henderson, C.; Rumerio, P.] Univ Alabama, Tuscaloosa, AL USA.
[Avetisyan, A.; Bose, T.; Fantasia, C.; Lawson, P.; Rankin, D.; Richardson, C.; Rohlf, J.; John, J. St.; Sulak, L.; Zou, D.] Boston Univ, Boston, MA 02215 USA.
[Bhattacharya, S.; Alimena, J.; Berry, E.; Cutts, D.; Dhingra, N.; Ferapontov, A.; Garabedian, A.; Heintz, U.; Laird, E.; Landsberg, G.; Mao, Z.; Narain, M.; Sagir, S.; Sinthuprasith, T.] Brown Univ, Providence, RI 02912 USA.
[Breedon, R.; Breto, G.; Chertok, M.; Conway, J.; Conway, R.; Cox, P. T.; Erbacher, R.; Ko, W.; Lander, R.; Mulhearn, M.; Pellett, D.; Pilot, J.; Ricci-Tam, F.; Shalhout, S.; Smith, J.; Squires, M.; Stolp, D.; Tripathi, M.; Wilbur, S.; Yohay, R.] Univ Calif Davis, Davis, CA 95616 USA.
[Cousins, R.; Everaerts, P.; Farrell, C.; Hauser, J.; Ignatenko, M.; Rakness, G.; Saltzberg, D.; Takasugi, E.; Valuev, V.; Weber, M.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Burt, K.; Clare, R.; Ellison, J.; Gary, J. W.; Hanson, G.; Heilman, J.; Rikova, M. Ivova; Jandir, P.; Kennedy, E.; Lacroix, F.; Long, O. R.; Luthra, A.; Malberti, M.; Negrete, M. Olmedo; Shrinivas, A.; Wei, H.; Wimpenny, S.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Branson, J. G.; Tadel, M.; Wasserbaech, S.; Della Porta, G. Zevi] Univ Calif San Diego, San Diego, CA 92103 USA.
[Barge, D.; Bradmiller-Feld, J.; Campagnari, C.; Dishaw, A.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Mott, A.; Pierini, M.; Spiropulu, M.; Vlimant, J. R.; Xie, S.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA.
[Azzolini, V.; Russ, J.; Vogel, H.; Vorobiev, I.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Cumalat, J. P.; Ford, W. T.; Gaz, A.; Jensen, F.; Wagner, S. R.] Univ Colorado, Boulder, CO 80309 USA.
[Alexander, J.; Chatterjee, A.; Chaves, J.; Thompson, J.; Tucker, J.; Wittich, P.] Cornell Univ, Ithaca, NY USA.
[Abdullin, S.; Berryhill, J.; Burkett, K.; Butler, J. N.; Hirschauer, J.; Hu, Z.; Kwan, S.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Acosta, D.; Curry, D.; Milenovic, P.; Rank, D.; Sperka, D.; Yelton, J.] Univ Florida, Gainesville, FL USA.
[Hewamanage, S.; Linn, S.; Markowitz, P.; Martinez, G.; Rodriguez, J. L.] Florida Int Univ, Miami, FL 33199 USA.
[Ackert, A.; Adams, J. R.; Adams, T.; Weinberg, M.] Florida State Univ, Tallahassee, FL 32306 USA.
[Bhopatkar, V.; Hohlmann, M.; Kalakhety, H.; Mareskas-palcek, D.; Roy, T.; Yumiceva, F.] Florida Inst Technol, Melbourne, FL 32901 USA.
[Adams, M. R.; Betts, R. R.; Kurt, P.; Varelas, N.; Zakaria, M.] Univ Illinois, Chicago, IL USA.
[Bilki, B.; Moeller, A.; Nachtman, J.; Ozok, F.; Snyder, C.; Tiras, E.; Wetzel, J.] Univ Iowa, Iowa City, IA USA.
[Anderson, I.; Barnett, B. A.; Fehling, D.; Feng, L.; Martin, C.; Swartz, M.; Xiao, M.] Johns Hopkins Univ, Baltimore, MD USA.
[Baringer, P.; Bean, A.; Noonan, D.; Stringer, R.; Wang, Q.; Wood, J. S.] Univ Kansas, Lawrence, KS 66045 USA.
[Chakaberia, I.; Ivanov, A.] Kansas State Univ, Manhattan, KS 66506 USA.
[Lange, D.; Rebassoo, F.; Wright, D.] Lawrence Livermore Natl Lab, Livermore, CA USA.
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[Hardenbrook, J.; Koay, S. A.; Werner, J. S.; Zuranski, A.] Princeton Univ, Princeton, NJ 08544 USA.
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[Genchev, V.; Foa, L.; Kwan, S.] Vienna Univ Technol, A-1040 Vienna, Austria.
[Beluffi, C.] Univ Strasbourg, Univ Haute Alsace Mulhouse, Inst Pluridisciplinaire Hubert Curien, CNRS,IN2P3, Strasbourg, France.
[Giammanco, A.] NICPB, Tallinn, Estonia.
[Tonelli Manganote, E. J.] Univ Estadual Campinas, Campinas, Brazil.
[Moon, C. S.] CNRS, IN2P3, Paris, France.
[Assran, Y.] Suez Univ, Suez, Egypt.
[Kamel, A. Ellithi] Cairo Univ, Cairo, Egypt.
[Mahmoud, M. A.] Fayoum Univ, Al Fayyum, Egypt.
[Radi, A.] British Univ Egypt, Cairo, Egypt.
[Radi, A.] Ain Shams Univ, Cairo, Egypt.
[Agram, J. -L.; Conte, E.; Fontaine, J. -C.] Univ Haute Alsace, Mulhouse, France.
[Bagaturia, I.] Ilia State Univ, Tbilisi, Rep of Georgia.
[Hempel, M.; Karacheban, O.; Lohmann, W.; Marfin, I.] Brandenburg Tech Univ Cottbus, Cottbus, Germany.
[Vesztergombi, G.; Veres, G. I.] Eotvos Lorand Univ, Budapest, Hungary.
[Bhowmik, S.; Maity, M.; Sarkar, T.] Visva Bharati Univ, Santini Ketan, W Bengal, India.
[Gurtu, A.] King Abdulaziz Univ, Jeddah 21413, Saudi Arabia.
[Wickramage, N.] Univ Ruhuna, Matara, Sri Lanka.
[Etesami, S. M.] Isfahan Univ Technol, Esfahan, Iran.
[Fahim, A.] Univ Tehran, Dept Engn Sci, Tehran, Iran.
[Safarzadeh, B.] Islamic Azad Univ, Plasma Phys Res Ctr, Sci & Res Branch, Tehran, Iran.
[Androsov, K.; Ciocci, M. A.; Grippo, M. T.; Squillacioti, P.] Univ Siena, I-53100 Siena, Italy.
[Ali, M. A. B. Md] Int Islamic Univ Malaysia, Kuala Lumpur, Malaysia.
[Idris, F. Mohamad] Agensi Nuklear Malaysia, MOSTI, Kajang, Malaysia.
[La Cruz, I. Heredia-de] Consejo Natl Ciencia & Tecnol, Mexico City, DF, Mexico.
[Kim, V.] St Petersburg State Polytech Univ, St Petersburg, Russia.
[Colafranceschi, S.] Univ Rome, Fac Ingn, Rome, Italy.
[Orfanelli, S.] Natl Tech Univ Athens, Athens, Greece.
[Rolandi, G.] Ist Nazl Fis Nucl, Scuola Normale Sez, Pisa, Italy.
[Zagozdzinska, A.; Amsler, C.] Warsaw Univ Technol, Inst Elect Syst, Warsaw, Poland.
[Cerci, S.; Tali, B.] Albert Einstein Ctr Fundamental Phys, Bern, Switzerland.
[Kangal, E. E.] Adiyaman Univ, Adiyaman, Turkey.
Mersin Univ, Mersin, Turkey.
[Onengut, G.] Cag Univ, Mersin, Turkey.
[Ozdemir, K.] Piri Reis Univ, Istanbul, Turkey.
[Topakli, H.] Gaziosmanpasa Univ, Tokat, Turkey.
[Isildak, B.] Ozyegin Univ, Istanbul, Turkey.
[Karapinar, G.] Izmir Inst Technol, Izmir, Turkey.
[Albayrak, E. A.; Ozok, F.] Mimar Sinan Univ, Istanbul, Turkey.
[Kaya, M.] Marmara Univ, Istanbul, Turkey.
[Kaya, O.] Kafkas Univ, Kars, Turkey.
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[Sen, S.] Hacettepe Univ, Ankara, Turkey.
[Newbold, D. M.; Lucas, R.] Univ Southampton, Sch Phys & Astron, Southampton, Hants, England.
[Acosta, M. Vazquez] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain.
[Bilki, B.] Utah Valley Univ, Orem, UT USA.
[Mermerkaya, H.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Mermerkaya, H.] Erzincan Univ, Erzincan, Turkey.
Texas A&M Univ Qatar, Doha, Qatar.
RP Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
RI Menasce, Dario/A-2168-2016; Paganoni, Marco/A-4235-2016; Azarkin,
Maxim/N-2578-2015; de Jesus Damiao, Dilson/G-6218-2012; Dogra, Sunil
/B-5330-2013; Leonidov, Andrey/M-4440-2013; Calvo Alamillo,
Enrique/L-1203-2014; Hernandez Calama, Jose Maria/H-9127-2015; Cerrada,
Marcos/J-6934-2014; Andreev, Vladimir/M-8665-2015; Perez-Calero
Yzquierdo, Antonio/F-2235-2013; Novaes, Sergio/D-3532-2012; Govoni,
Pietro/K-9619-2016; Tuominen, Eija/A-5288-2017; Yazgan, Efe/C-4521-2014;
Paulini, Manfred/N-7794-2014; Inst. of Physics, Gleb
Wataghin/A-9780-2017; Ogul, Hasan/S-7951-2016; Dremin, Igor/K-8053-2015;
ciocci, maria agnese /I-2153-2015; Matorras, Francisco/I-4983-2015;
Moraes, Arthur/F-6478-2010; Gennai, Simone/P-2880-2015; Lokhtin,
Igor/D-7004-2012; Manganote, Edmilson/K-8251-2013; VARDARLI, Fuat
Ilkehan/B-6360-2013; TUVE', Cristina/P-3933-2015; Dudko,
Lev/D-7127-2012; Vinogradov, Alexey/O-2375-2015; Petrushanko,
Sergey/D-6880-2012; Cakir, Altan/P-1024-2015; Montanari,
Alessandro/J-2420-2012; Da Silveira, Gustavo Gil/N-7279-2014; Mora
Herrera, Maria Clemencia/L-3893-2016; Mundim, Luiz/A-1291-2012; Konecki,
Marcin/G-4164-2015; Vogel, Helmut/N-8882-2014; Benussi,
Luigi/O-9684-2014; Xie, Si/O-6830-2016; Leonardo, Nuno/M-6940-2016; Goh,
Junghwan/Q-3720-2016; Flix, Josep/G-5414-2012; Ruiz,
Alberto/E-4473-2011; Della Ricca, Giuseppe/B-6826-2013; Chinellato, Jose
Augusto/I-7972-2012; Tomei, Thiago/E-7091-2012; Dubinin,
Mikhail/I-3942-2016; Stahl, Achim/E-8846-2011; Kirakosyan,
Martin/N-2701-2015; Gulmez, Erhan/P-9518-2015; Tinoco Mendes, Andre
David/D-4314-2011; Seixas, Joao/F-5441-2013; Verwilligen,
Piet/M-2968-2014; Vilela Pereira, Antonio/L-4142-2016; Sznajder,
Andre/L-1621-2016
OI Menasce, Dario/0000-0002-9918-1686; Paganoni, Marco/0000-0003-2461-275X;
de Jesus Damiao, Dilson/0000-0002-3769-1680; Calvo Alamillo,
Enrique/0000-0002-1100-2963; Hernandez Calama, Jose
Maria/0000-0001-6436-7547; Cerrada, Marcos/0000-0003-0112-1691;
Perez-Calero Yzquierdo, Antonio/0000-0003-3036-7965; Novaes,
Sergio/0000-0003-0471-8549; Luukka, Panja/0000-0003-2340-4641; Govoni,
Pietro/0000-0002-0227-1301; Tuominen, Eija/0000-0002-7073-7767; Yazgan,
Efe/0000-0001-5732-7950; Paulini, Manfred/0000-0002-6714-5787; Ogul,
Hasan/0000-0002-5121-2893; ciocci, maria agnese /0000-0003-0002-5462;
Matorras, Francisco/0000-0003-4295-5668; Moraes,
Arthur/0000-0002-5157-5686; TUVE', Cristina/0000-0003-0739-3153; Dudko,
Lev/0000-0002-4462-3192; Montanari, Alessandro/0000-0003-2748-6373; Da
Silveira, Gustavo Gil/0000-0003-3514-7056; Mora Herrera, Maria
Clemencia/0000-0003-3915-3170; Mundim, Luiz/0000-0001-9964-7805;
Konecki, Marcin/0000-0001-9482-4841; Vogel, Helmut/0000-0002-6109-3023;
Benussi, Luigi/0000-0002-2363-8889; Xie, Si/0000-0003-2509-5731;
Leonardo, Nuno/0000-0002-9746-4594; Goh, Junghwan/0000-0002-1129-2083;
Flix, Josep/0000-0003-2688-8047; Ruiz, Alberto/0000-0002-3639-0368;
Della Ricca, Giuseppe/0000-0003-2831-6982; Chinellato, Jose
Augusto/0000-0002-3240-6270; Tomei, Thiago/0000-0002-1809-5226; Dubinin,
Mikhail/0000-0002-7766-7175; Stahl, Achim/0000-0002-8369-7506; Gulmez,
Erhan/0000-0002-6353-518X; Tinoco Mendes, Andre
David/0000-0001-5854-7699; Seixas, Joao/0000-0002-7531-0842; Vilela
Pereira, Antonio/0000-0003-3177-4626; Sznajder,
Andre/0000-0001-6998-1108
FU BMWFW (Austria); FWF (Austria); FNRS (Belgium); FWO (Belgium); CNPq
(Brazil); CAPES (Brazil); FAPERJ (Brazil); FAPESP (Brazil); MES
(Bulgaria); CERN; CAS (China); MoST (China); NSFC (China); COLCIENCIAS
(Colombia); MSES (Croatia); CSF (Croatia); RPF (Cyprus); MoER (Estonia);
ERC IUT (Estonia); ERDF (Estonia); Academy of Finland (Finland); MEC
(Finland); HIP (Finland); CEA (France); CNRS/IN2P3 (France); BMBF
(Germany); DFG (Germany); HGF (Germany); GSRT (Greece); OTKA (Hungary);
NIH (Hungary); DAE (India); DST (India); IPM (Iran); SFI (Ireland); INFN
(Italy); MSIP (Republic of Korea); NRF (Republic of Korea); LAS
(Lithuania); MOE (Malaysia); UM (Malaysia); CINVESTAV (Mexico); CONACYT
(Mexico); SEP (Mexico); UASLP-FAI (Mexico); MBIE (New Zealand); PAEC
(Pakistan); MSHE (Poland); NSC (Poland); FCT (Portugal); JINR (Dubna);
MON (Russia); RosAtom (Russia); RAS (Russia); RFBR (Russia); MESTD
(Serbia); SEIDI (Spain); CPAN (Spain); Swiss Funding Agencies
(Switzerland); MST (Taipei); ThEPCenter (Thailand); IPST (Thailand);
STAR (Thailand); NSTDA (Thailand); TUBITAK (Turkey); TAEK (Turkey); NASU
(Ukraine); SFFR (Ukraine); STFC (United Kingdom); DOE (USA); NSF (USA);
Marie-Curie program (European Union); European Research Council
(European Union); EPLANET (European Union); Leventis Foundation; A. P.
Sloan Foundation; Alexander von Humboldt Foundation; Belgian Federal
Science Policy Office; Fonds pour la Formation a la Recherche dans
l'Industrie et dans l'Agriculture (FRIA-Belgium); Agentschap voor
Innovatie door Wetenschap en Technologie (IWT-Belgium); Ministry of
Education, Youth and Sports (MEYS) of the Czech Republic; Council of
Science and Industrial Research, India; HOMING PLUS program of the
Foundation for Polish Science; European Union, Regional Development
Fund; Compagnia di San Paolo (Torino); Consorzio per la Fisica
(Trieste); MIUR Project (Italy) [20108T4XTM]; EU-ESF; Greek NSRF;
National Priorities Research Program by the Qatar National Research Fund
FX We congratulate our colleagues in the CERN accelerator departments for
the excellent performance of the LHC and thank the technical and
administrative staffs at CERN and at other CMS institutes for their
contributions to the success of the CMS effort. In addition, we
gratefully acknowledge the computing centers and personnel of the
Worldwide LHC Computing Grid for delivering so effectively the computing
infrastructure essential to our analyses. Finally, we acknowledge the
enduring support for the construction and operation of the LHC and the
CMS detector provided by the following funding agencies: BMWFW and FWF
(Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP
(Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS
(Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, ERC IUT and ERDF
(Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and
CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA
and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN
(Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM
(Malaysia); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); MBIE (New
Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR
(Dubna); MON, RosAtom, RAS and RFBR (Russia); MESTD (Serbia); SEIDI and
CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei);
ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey);
NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA).
Individuals have received support from the Marie-Curie program and the
European Research Council and EPLANET (European Union); the Leventis
Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt
Foundation; the Belgian Federal Science Policy Office; the Fonds pour la
Formation a la Recherche dans l'Industrie et dans l'Agriculture
(FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en
Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports
(MEYS) of the Czech Republic; the Council of Science and Industrial
Research, India; the HOMING PLUS program of the Foundation for Polish
Science, cofinanced from the European Union, Regional Development Fund;
the Compagnia di San Paolo (Torino); the Consorzio per la Fisica
(Trieste); MIUR Project No. 20108T4XTM (Italy); the Thalis and Aristeia
programs cofinanced by EU-ESF and the Greek NSRF; and the National
Priorities Research Program by the Qatar National Research Fund.
NR 59
TC 9
Z9 9
U1 9
U2 42
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
EI 1550-2368
J9 PHYS REV D
JI Phys. Rev. D
PD AUG 27
PY 2015
VL 92
IS 3
AR 032008
DI 10.1103/PhysRevD.92.032008
PG 26
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA CS6UQ
UT WOS:000362218800001
ER
PT J
AU Mishra, V
Norman, MR
AF Mishra, Vivek
Norman, M. R.
TI Strong coupling critique of spin fluctuation driven charge order in
underdoped cuprates
SO PHYSICAL REVIEW B
LA English
DT Article
ID RENORMALIZATION-GROUP; TEMPERATURE; MODEL; SUPERCONDUCTIVITY; PSEUDOGAP;
STATE
AB Charge order has emerged as a generic feature of doped cuprates, leading to important questions about its origin and its relation to superconductivity. Recent experiments on two classes of hole doped cuprates indicate a novel d-wave symmetry for the order. These were motivated by earlier spin fluctuation theoretical studies based on an expansion about hot spots in the Brillouin zone that indicated such an order would be competitive with d-wave superconductivity. Here, we reexamine this problem by solving strong coupling equations in the full Brillouin zone for experimentally relevant parameters. We find that bond-oriented order, as seen experimentally, is strongly suppressed. We also include coupling to B-1g phonons and do not see any qualitative change. Our results argue against an itinerant model for the charge order, implying instead that such order is likely due to Coulombic phase separation of the doped holes.
C1 [Mishra, Vivek; Norman, M. R.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Mishra, V (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RI Norman, Michael/C-3644-2013
FU Center for Emergent Superconductivity, an Energy Frontier Research
Center - U.S. DOE, Office of Science [DE-AC0298CH1088]
FX This work was supported by the Center for Emergent Superconductivity, an
Energy Frontier Research Center funded by the U.S. DOE, Office of
Science, under Award No. DE-AC0298CH1088. We gratefully acknowledge the
computing resources provided on Blues and Fusion, the high-performance
computing clusters operated by the Laboratory Computing Resource Center
at Argonne National Laboratory.
NR 43
TC 6
Z9 6
U1 1
U2 9
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
EI 1550-235X
J9 PHYS REV B
JI Phys. Rev. B
PD AUG 27
PY 2015
VL 92
IS 6
AR 060507
DI 10.1103/PhysRevB.92.060507
PG 4
WC Physics, Condensed Matter
SC Physics
GA CS6PQ
UT WOS:000362203400001
ER
PT J
AU Aad, G
Abbott, B
Abdallah, J
Khalek, SA
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CA ATLAS Collaboration
TI Search for new phenomena in events with three or more charged leptons in
pp collisions at TeV with the ATLAS detector
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Hadron-Hadron Scattering
ID MAJORANA NEUTRINO MASSES; HIGGS BOSONS; SUPERGAUGE TRANSFORMATIONS;
EXCITED LEPTONS; MODEL; GENERATORS; QUARK; PIONS; FIELD; LHC
AB A generic search for anomalous production of events with at least three charged leptons is presented. The data sample consists of pp collisions at TeV collected in 2012 by the ATLAS experiment at the CERN Large Hadron Collider, and corresponds to an integrated luminosity of 20.3 fb(-1). Events are required to have at least three selected lepton candidates, at least two of which must be electrons or muons, while the third may be a hadronically decaying tau. Selected events are categorized based on their lepton flavour content and signal regions are constructed using several kinematic variables of interest. No significant deviations from Standard Model predictions are observed. Model-independent upper limits on contributions from beyond the Standard Model phenomena are provided for each signal region, along with prescription to re-interpret the limits for any model. Constraints are also placed on models predicting doubly charged Higgs bosons and excited leptons. For doubly charged Higgs bosons decaying to e tau or mu tau, lower limits on the mass are set at 400 GeV at 95% confidence level. For excited leptons, constraints are provided as functions of both the mass of the excited state and the compositeness scale I >, with the strongest mass constraints arising in regions where the mass equals I >. In such scenarios, lower mass limits are set at 3.0 TeV for excited electrons and muons, 2.5 TeV for excited taus, and 1.6 TeV for every excited-neutrino flavour.
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INFN Gruppo Collegato Cosenza, Laboratori Nazionali Frascati, Arcavacata Di Rende, Italy.
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[Izen, J. M.; Leyton, M.; Meirose, B.; Namasivayam, H.; Reeves, K.] Univ Texas, Dept Phys, Dallas, TX USA.
[Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Camarda, S.; Deterre, C.; Filipuzzi, M.; Friedrich, C.; Glazov, A.; Gomez Fajardo, L. S.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Jimenez Belenguer, M.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lisovyi, M.; Lobodzinska, E.; Lohwasser, K.; Medinnis, M.; Monig, K.; Morton, A.; Naranjo Garcia, R. F.; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Vankov, P.; Wang, J.; Wasicki, C.; Yatsenko, E.; Yildirim, E.] DESY, Hamburg, Germany.
[Burmeister, I.; Erdmann, J.; Esch, H.; Gossling, C.; Jentzsch, J.; Jung, C. A.; Klingenberg, R.; Kroeninger, K.] Tech Univ Dortmund, Inst Experimentelle Physik IV, Dortmund, Germany.
[Anger, P.; Duschinger, D.; Friedrich, F.; Grohs, J. P.; Gumpert, C.; Kobel, M.; Mader, W. F.; Morgenstern, M.; Novgorodova, O.; Rudolph, C.; Schnoor, U.; Siegert, F.; Socher, F.; Staerz, S.; Straessner, A.; Vest, A.; Wahrmund, S.] Tech Univ Dresden, Inst Kern & Teilchenphysik, Dresden, Germany.
[Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Cerio, B. C.; Goshaw, A. T.; Kajomovitz, E.; Kotwal, A.; Kruse, M. C.; Li, L.; Li, S.; Liu, M.; Oh, S. H.; Wang, C.; Zhou, C.] Duke Univ, Dept Phys, Durham, NC USA.
[Bhimji, W.; Bristow, T. M.; Clark, P. J.; Dias, F. A.; Edwards, N. C.; Garay Walls, F. M.; Glaysher, P. C. F.; Harrington, R. D.; Leonidopoulos, C.; Martin, V. J.; Mills, C.; O'Brien, B. J.; Olivares Pino, S. A.; Proissl, M.; Selbach, K. E.; Smart, B. H.; Washbrook, A.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland.
[Annovi, A.; Antonelli, M.; Bilokon, H.; Chiarella, V.; Curatolo, M.; Di Nardo, R.; Esposito, B.; Gatti, C.; Laurelli, P.; Maccarrone, G.; Sansoni, A.; Testa, M.; Vilucchi, E.] INFN Laboratori Nazionali Frascati, Frascati, Italy.
[Amoroso, S.; Arnold, H.; Betancourt, C.; Boehler, M.; Bruneliere, R.; Buehrer, F.; Buscher, D.; Coniavitis, E.; Consorti, V.; Dao, V.; Di Simone, A.; Flechl, M.; Giuliani, C.; Herten, G.; Jakobs, K.; JavA-rek, T.; Jenni, P.; Kiss, F.; Koneke, K.; Kopp, A. K.; Kuehn, S.; Lai, S.; Landgraf, U.; Madar, R.; Mahboubi, K.; Mohr, W.; Pagaova, M.; Parzefall, U.; Rave, T. C.; Ronzani, M.; Ruhr, F.; Rurikova, Z.; Ruthmann, N.; Schillo, C.; Schmidt, E.; Schumacher, M.; Sommer, P.; Sundermann, J. E.; Temming, K. K.; Tsiskaridze, V.; Ungaro, F. C.; von Radziewski, H.; Anh, T. Vu; Warsinsky, M.; Weiser, C.; Werner, M.; Zimmermann, S.] Fak Mathematik & Physik, Albert Ludwigs Univ, Freiburg, Germany.
[Alexandre, G.; Ancu, L. S.; Barone, G.; Bell, P. J.; Bell, W. H.; Benhar Noccioli, E.; Bilbao De Mendizabal, J.; Bucci, F.; Camacho Toro, R.; Clark, A.; Delitzsch, C. M.; della Volpe, D.; Doglioni, C.; Ferrere, D.; Gadomski, S.; Golling, T.; Gonzalez-Sevilla, S.; Goulette, M. P.; Gramling, J.; Guescini, F.; Iacobucci, G.; Katre, A.; La Rosa, A.; Mermod, P.; Miucci, A.; Muenstermann, D.; Nektarijevic, S.; Nikolics, K.; Picazio, A.; Pohl, M.; Rosbach, K.; Tykhonov, A.; Vallecorsa, S.; Wu, X.] Univ, Sect Phys, Gen, Geneva, Switzerland.
[Darbo, G.; Gemme, C.; Morettini, P.; Passaggio, S.; Rossi, L. P.] INFN Sezione Genova, Genoa, Italy.
[Barberis, D.; Favareto, A.; Ferretto Parodi, A.; Gagliardi, G.; Guido, E.; Osculati, B.; Parodi, F.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy.
[Tskhadadze, E. G.] Iv Javakhishvili Tbilisi State Univ, Andronikashvili Inst Phys, Tbilisi, GA USA.
[Djobava, T.; Durglishvili, A.; Khubua, J.; Mosidze, M.] Tbilisi State Univ, Inst High Energy Phys, Tbilisi, GA USA.
[Duren, M.; Kreutzfeldt, K.; Stenzel, H.] Justus Liebig Univ Giessen, II Physikal Inst, Giessen, Germany.
[Bates, R. L.; Britton, D.; Buckley, A. G.; Bussey, P.; Buttar, C. M.; Buzatu, A.; Cinca, D.; D'Auria, S.; Doherty, T.; Doyle, A. T.; Ferrag, S.; Ferrando, J.; Ferreira de Lima, D. E.; Gemmell, A.; Gul, U.; Gutierrez Ortiz, N. G.; Kar, D.; Knue, A.; Mullen, P.; O'Shea, V.; Oropeza Barrera, C.; Pollard, C. S.; Qin, G.; Quilty, D.; Ravenscroft, T.; Robson, A.; Saxon, D. H.; Smith, K. M.; St. Denis, R. D.; Stewart, G. A.; Thompson, A. S.; Wright, M.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland.
[Bierwagen, K.; Bindi, M.; Blumenschein, U.; George, M.; Graber, L.; Grosse-Knetter, J.; Hamer, M.; Kareem, M. J.; Kawamura, G.; Keil, M.; Lemmer, B.; Magradze, E.; Mantoani, M.; Mchedlidze, G.; Moreno Llacer, M.; Musheghyan, H.; Nackenhorst, O.; Nadal, J.; Quadt, A.; Rieger, J.; Schorlemmer, A. L. S.; Serkin, L.; Shabalina, E.; Stolte, P.; Vazquez Schroeder, T.; Weingarten, J.; Zinonos, Z.] II Physikal Inst, Georg August Univ, Gottingen, Germany.
[Albrand, S.; Brown, J.; Collot, J.; Crepe-Renaudin, S.; Dechenaux, B.; Delsart, P. A.; Gabaldon, C.; Genest, M. H.; Hostachy, J-Y.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Monini, C.; Stark, J.; Trocm, B.; Wu, M.] Grenoble Alpes, Univ, Laboratoire Phys Subatom & Cosmol, F-CNRS IN2P Grenoble, France.
[McFarlane, K. W.] Hampton Univ, Dept Phys, Hampton, VA USA.
[Barreiro Guimares da Costa, J.; Butler, B.; Catastini, P.; Conti, G.; Franklin, M.; Huth, J.; Ippolito, V.; Lopez Mateos, D.; Mercurio, K. M.; Morii, M.; Skottowe, H. P.; Spearman, W. R.; Sun, S.; Tolley, E.; Yen, A. L.; Zevi della Porta, G.] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA USA.
[Andrei, V.; Baas, A. E.; Brandt, O.; Davygora, Y.; Dietzsch, T. A.; Djuvsland, J. I.; Dunford, M.; Hanke, P.; Jongmanns, J.; Khomich, A.; Kluge, E. -E.; Laier, H.; Lang, V. S.; Meier, K.; Mueller, F.; Poddar, S.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Physik, Heidelberg, Germany.
[Anders, C. F.; Giulini, M.; Kasieczka, G.; Narayan, R.; Schaetzel, S.; Schmitt, S.; Schoening, A.] Heidelberg Univ, Physikal Inst, Heidelberg, Germany.
[Colombo, T.; Kretz, M.; Kugel, A.] ZITI Inst Tech Informatik, Ruprecht Karls Univ Heidelberg, Mannheim, Germany.
[Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan.
[Bortolotto, V.; Flores Castillo, L. R.] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China.
Univ Hong Kong, Dept Phys, Hong Kong, Peoples R China.
[Prokofiev, K.] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China.
[Brunet, S.; Dattagupta, A.; Evans, H.; Gagnon, P.; Lammers, S.; Lorenzo Martinez, N.; Luehring, F.; Ogren, H.; Penwell, J.; Weinert, B.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN USA.
[Glonti, G. L.; Jussel, P.; Kneringer, E.; Lukas, W.; Ritsch, E.; Usanova, A.] Inst Astro & Teilchenphysik, Leopold Franzens Univ, Innsbruck, Austria.
[Mallik, U.; Mandrysch, R.; Morange, N.; Zaidan, R.] Univ Iowa, Iowa City, IA USA.
[Chen, C.; Cochran, J.; De Lorenzi, F.; Dudziak, F.; Krumnack, N.; Pluth, D.; Prell, S.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA.
[Ahmadov, F.; Aleksandrov, I. N.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Cheplakov, A.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Gostkin, M. I.; Huseynov, N.; Javadov, N.; Karpov, S. N.; Karpova, Z. M.; Kazarinov, M. Y.; Khramov, E.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Minashvili, I. A.; Mineev, M.; Olchevski, A. G.; Peshekhonov, V. D.; Plotnikova, E.; Potrap, I. N.; Pozdnyakov, V.; Rusakovich, N. A.; Sadykov, R.; Sapronov, A.; Shiyakova, M.; Sisakyan, A. N.; Soloshenko, A.; Topilin, N. D.; Vinogradov, V. B.; Yeletskikh, I.; Zhemchugov, A.; Zimine, N. I.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia.
[Amako, K.; Aoki, M.; Arai, Y.; Ikegami, Y.; Ikeno, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Makida, Y.; Nagano, K.; Nakamura, K.; Nozaki, M.; Odaka, S.; Sasaki, O.; Suzuki, Y.; Takubo, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan.
[Chen, Y.; Hasegawa, M.; Inamaru, Y.; Kishimoto, T.; Kurashige, H.; Kurumida, R.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo, Japan.
[Ishino, M.; Kunigo, T.; Sumida, T.; Tashiro, T.] Kyoto Univ, Fac Sci, Kyoto, Japan.
[Takashima, R.] Kyoto Univ, Kyoto, Japan.
[Kawagoe, K.; Oda, S.; Otono, H.; Tojo, J.] Kyushu Univ, Dept Phys, Fukuoka, Japan.
[Alconada Verzini, M. J.; Alonso, F.; Anduaga, X. S.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Univ Nacl Plata & CONICET, Inst Fis Plata, La Plata, Argentina.
[Allison, L. J.; Barton, A. E.; Beattie, M. D.; Borissov, G.; Bouhova-Thacker, E. V.; Chilingarov, A.; Dearnaley, W. J.; Fox, H.; Grimm, K.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Maddocks, H. J.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England.
[Chiodini, G.; Primavera, M.] INFN Sezione Lecce, Lecce, Italy.
[Gorini, E.; Orlando, N.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Matemat Fis, Lecce, Italy.
[Allport, P. P.; Bundock, A. C.; Burdin, S.; D'Onofrio, M.; Dassoulas, J.; Dervan, P.; Gwilliam, C. B.; Hayward, H. S.; Jackson, M.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kretzschmar, J.; Laycock, P.; Lehan, A.; Mahmoud, S.; Maxfield, S. J.; Mehta, A.; Migas, S.; Price, J.; Readioff, N. P.; Schnellbach, Y. J.; Sellers, G.; Vossebeld, J. H.; Waller, P.] Univ Liverpool, Oliver Lodge Lab, Liverpool, Merseyside, England.
[Cindro, V.; Deliyergiyev, M.; Filipi, A.; Goriek, A.; Kerevan, B. P.; Kramberger, G.; Mikuz, M.; Sfiligoj, T.] JoA3 4ef Stefan Inst & Univ Ljubljana, Dept Phys, Ljubljana, Slovenia.
[Alpigiani, C.; Bevan, A. J.; Bona, M.; Cano Bret, M.; Cerrito, L.; Fletcher, G.; Goddard, J. R.; Hays, J. M.; Hickling, R.; Landon, M. P. J.; Lloyd, S. L.; Morris, J. D.; Piccaro, E.; Rizvi, E.; Sandbach, R. L.; Snidero, G.; Teixeira Dias Castanheira, M.] Queen Mary Univ London, Sch Phys & Astron, London, England.
[Berry, T.; Boisvert, V.; Brooks, T.; Connelly, I. A.; Cooper-Smith, N. J.; Cowan, G.; Duguid, L.; George, S.; Gibson, S. M.; Kempster, J. J.; Panduro Vazquez, J. G.; Pastore, Fr.; Rose, M.; Savage, G.; Span, F.; Teixeira-Dias, P.; Thomas-Wilsker, J.] Royal Holloway Univ London, Dept Phys, Surrey, England.
[Bieniek, S. P.; Butterworth, J. M.; Campanelli, M.; Casadei, D.; Chislett, R. T.; Cooper, B. D.; Davison, A. R.; Davison, P.; Falla, R. J.; Gregersen, K.; Gutschow, C.; Hesketh, G. G.; Jansen, E.; Konstantinidis, N.; Korn, A.; Kucuk, H.; Lambourne, L.; Leney, K. J. C.; Martyniuk, A. C.; Mcfayden, J. A.; Nurse, E.; Ochoa, I.; Pilkington, A. D.; Scanlon, T.; Sherwood, P.; Simmons, B.; Wardrope, D. R.; Waugh, B. M.; Wijeratne, P. A.] UCL, Dept Phys & Astron, London, England.
[Greenwood, Z. D.; Jana, D. K.; Sawyer, L.; Sircar, A.; Subramaniam, R.] Louisiana Tech Univ, Ruston, LA USA.
[Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; Davignon, O.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Liu, K.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] Paris Diderot & CNRS IN2P3, UPMC & Univ, Laboratoire Phys Nucl, Aire & Hautes Energies, Paris, France.
[Akesson, T. P.; Bocchetta, S. S.; Bryngemark, L.; Floderus, A.; Hawkins, A. D.; Hedberg, V.; Ivarsson, J.; Jarlskog, G.; Lytken, E.; Mjornmark, J. U.; Smirnova, O.; Viazlo, O.] Lund Univ, Fysiska Inst, Lund, Sweden.
[Arnal, V.; Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Llorente Merino, J.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor, Madrid, Spain.
[Bertella, C.; Blum, W.; Buscher, V.; Caputo, R.; Caudron, J.; Ellinghaus, F.; Endner, O. C.; Ertel, E.; Fiedler, F.; Fullana Torregrosa, E.; Heck, T.; Hohlfeld, M.; Hulsing, T. A.; Karnevskiy, M.; Kleinknecht, K.; Konig, S.; Kopke, L.; Lin, T. H.; Lungwitz, M.; Masetti, L.; Mattmann, J.; Meyer, C.; Moritz, S.; Poettgen, R.; Rave, S.; Sander, H. G.; Schafer, U.; Schmitt, C.; Schott, M.; Schroeder, C.; Schuh, N.; Simioni, E.; Tapprogge, S.; Wollstadt, S. J.; Zimmermann, C.] Johannes Gutenberg Univ Mainz, Inst Physik, Mainz, Germany.
[Balli, F.; Barnes, S. L.; Cox, B. E.; Da Via, C.; Forti, A.; Iturbe Ponce, J. M.; Joshi, K. D.; Klinger, J. A.; Loebinger, F. K.; Marsden, S. P.; Masik, J.; Neep, T. J.; Oh, A.; Owen, M.; Pater, J. R.; Peters, R. F. Y.; Price, D.; Qin, Y.; Queitsch-Maitland, M.; Robinson, J. E. M.; Schwanenberger, C.; Thompson, R. J.; Tomlinson, L.; Watts, S.; Webb, S.; Woudstra, M. J.; Wyatt, T. R.] Univ Manchester, Sch Phys & Astron, Manchester, NH USA.
[Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Clemens, J. C.; Coadou, Y.; Diglio, S.; Djama, F.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Liu, J.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Tiouchichine, E.; Tisserant, S.; Touchard, F.; Ughetto, M.; Vacavant, L.] Aix Marseille Univ, CPPM, & CNRS IN2P3, Marseille, France.
[Bellomo, M.; Bernard, N. R.; Brau, B.; Dallapiccola, C.; Daya-Ishmukhametova, R. K.; Moyse, E. J. W.; Pais, P.; Pueschel, E.; Varol, T.; Ventura, D.; Willocq, S.] Univ Massachusetts, Dept Phys, Amherst, MA USA.
[Belanger-Champagne, C.; Chapleau, B.; Keyes, R. A.; Mantifel, R.; Prince, S.; Robichaud-Veronneau, A.; Stockton, M. C.; Stoebe, M.; Vachon, B.; Wang, K.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada.
[Barberio, E. L.; Brennan, A. J.; Jennens, D.; Kubota, T.; Nunes Hanninger, G.; Nuti, F.; Rados, P.; Spiller, L. A.; Tan, K. G.; Taylor, G. N.; Thong, W. M.; Urquijo, P.; Volpi, M.; Zanzi, D.] Univ Melbourne, Sch Phys, Victoria, Australia.
[Amidei, D.; Chelstowska, M. A.; Cheng, H. C.; Dai, T.; Diehl, E. B.; Dubbert, J.; Feng, H.; Ferretti, C.; Fleischmann, P.; Goldfarb, S.; Hu, X.; Levin, D.; Liu, L.; Long, J. D.; Lu, N.; Mc Kee, S. P.; McCarn, A.; Neal, H. A.; Panikashvili, N.; Qian, J.; Schwarz, T. A.; Searcy, J.; Thun, R. P.; Wilson, A.; Wu, Y.; Xu, L.; Yu, J. M.; Zhang, D.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI USA.
[Abolins, M.; Alvarez Gonzalez, B.; Arabidze, G.; Brock, R.; Chegwidden, A.; Fisher, W. C.; Halladjian, G.; Hauser, R.; Hayden, D.; Huston, J.; Koll, J.; Linnemann, J. T.; Martin, B.; Pope, B. G.; Schoenrock, B. D.; Schwienhorst, R.; Ta, D.; Tollefson, K.; True, P.; Willis, C.; Zhang, H.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI USA.
[Alimonti, G.; Besana, M. I.; Cavalli, D.; Citterio, M.; Costa, G.; Giugni, D.; Lari, T.; Mandelli, L.; Meroni, C.; Resconi, S.; Tartarelli, G. F.; Troncon, C.] INFN Sezione Milano, Milan, Italy.
[Andreazza, A.; Carminati, L.; Consonni, S. M.; Fanti, M.; Mazza, S. M.; Perini, L.; Pizio, C.; Ragusa, F.; Shojaii, S.; Simoniello, R.; Turra, R.; Villaplana Perez, M.] Univ Milan, Dipartimento Fis, Milan, Italy.
[Bogouch, A.; Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Tsiareshka, P. V.] Natl Acad Sci Belarus, B Stepanov Inst Phys, Minsk, Byelarus.
[Hrynevich, A.; Yanush, S.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus.
[Taylor, F. E.] MIT, Dept Phys, Cambridge, MA USA.
[Arguin, J-F.; Dallaire, F.; Gauthier, L.; Leroy, C.; Rezvani, R.; Shoaleh Saadi, D.; Soueid, P.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada.
[Akimov, A. V.; Baranov, S. P.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Zhukov, K.] Acad Sci, P N Lebedev Inst Phys, Moscow, Russia.
[Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] Inst Theoret & Expt Phys ITEP, Moscow, Russia.
[Antonov, A.; Belotskiy, K.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Khodinov, A.; Krasnopevtsev, D.; Romaniouk, A.; Shulga, E.; Smirnov, S. Yu.; Smirnov, Y.; Soldatov, E. Yu.; Tikhomirov, V. O.; Timoshenko, S.; Vorobev, K.] Natl Res Nucl Univ MEPhI, Moscow, Russia.
[Boldyrev, A. S.; Gladilin, L. K.; Grishkevich, Y. V.; Kramarenko, V. A.; Maevskiy, A.; Rud, V. I.; Sivoklokov, S. Yu.] M Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
[Adomeit, S.; Becker, S.; Biebel, O.; Bock, C.; Bortfeldt, J.; Calfayan, P.; Chow, B. K. B.; Duckeck, G.; Elmsheuser, J.; Hertenberger, R.; Hoenig, F.; Legger, F.; Lorenz, J.; Mann, A.; Mehlhase, S.; Meineck, C.; Mitrevski, J.; Nunnemann, T.; Rauscher, F.; Ruschke, A.; Sanders, M. P.; Schaile, D.; Schieck, J.; Unverdorben, C.; Vladoiu, D.; Walker, R.; Wittkowski, J.] Ludwig Maximilians Univ Munchen, Fak Physik, Munich, Germany.
[Barillari, T.; Bethke, S.; Bronner, J.; Compostella, G.; Cortiana, G.; Flowerdew, M. J.; Goblirsch-Kolb, M.; Ince, T.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kroha, H.; Macchiolo, A.; Maier, A. A.; Manfredini, A.; Menke, S.; Moser, H. G.; Nagel, M.; Nisius, R.; Nowak, S.; Oberlack, H.; Pahl, C.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Schwegler, Ph.; Sforza, F.; Spettel, F.; Stern, S.; Stonjek, S.; Terzo, S.; von der Schmitt, H.; Wildauer, A.] Max Planck Inst Physik Werner Heisenberg Inst, Munich, Germany.
[Shimojima, M.] Nagasaki Inst Appl Sci, Nagasaki, Japan.
[Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Grad Sch Sci & Kobayashi Maskawa Inst, Nagoya, Aichi, Japan.
[Carlino, G.; de Asmundis, R.; Doria, A.; Iengo, P.; Izzo, V.; Sekhniaidze, G.] INFN Sezione Napoli, Naples, Italy.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Chiefari, G.; Di Donato, C.; Giordano, R.; Merola, L.; Patricelli, S.; Perrella, S.; Rossi, E.; Sanchez, A.; Zurzolo, G.] Univ Napoli, Dipartimento Fis, Naples, Italy.
[Gorelov, I.; Hoeferkamp, M. R.; Seidel, S. C.; Toms, K.; Wang, R.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM USA.
[Besjes, G. J.; Caron, S.; Croft, V.; De Groot, N.; Filthaut, F.; Galea, C.; Klok, P. F.; Konig, A. C.; Salvucci, A.; Strubig, A.] Radboud Univ Nijmegen Nikhef, Inst Math, Astrophys & Particle Phys, Nijmegen, Netherlands.
[Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Dhaliwal, S.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Kluit, P.; Koffeman, E.; Lee, H.; Linde, F.; Mahlstedt, J.; Mechnich, J.; Oussoren, K. P.; Pani, P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.] Nikhef Natl Inst Subat Phys & Univ Amsterdam, Amsterdam, Netherlands.
[Adelman, J.; Burghgrave, B.; Chakraborty, D.; Cole, S.; Suhr, C.; Yurkewicz, A.] Univ Illinois, Dept Phys, De Kalb, IL USA.
[Bogdanchikov, A. G.; Kazanin, V. F.; Kharlamov, A.; Malyshev, V. M.; Peleganchuk, S. V.] Budker Inst Nucl Phys, SB RAS, Novosibirsk, Russia.
[Beacham, J. B.; Bernius, C.; Cranmer, K.; Haas, A.; Heinrich, L.; van Huysduynen, L. Hooft; Kaplan, B.; Karthik, K.; Kreiss, S.; Mincer, A. I.; Nemethy, P.; Neves, R. M.] New York Univ, Dept Phys, New York, NY USA.
[Gan, K. K.; Ishmukhametov, R.; Kagan, H.; Kass, R. D.; Looper, K. A.; Merritt, H.; Moss, J.; Nagarkar, A.; Pignotti, D. T.; Shrestha, S.; Tannenwald, B. B.; Yang, Y.] Ohio State Univ, Columbus, OH USA.
[Nakano, I.] Okayama Univ, Fac Sci, Okayama, Japan.
[Abbott, B.; Alhroob, M.; Bertsche, C.; Bertsche, D.; Gutierrez, P.; Hasib, A.; Norberg, S.; Saleem, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK USA.
[Abi, B.; Bousson, N.; Haley, J.; Khanov, A.; Rizatdinova, F.; Sidorov, D.; Yu, J.] Oklahoma State Univ, Dept Phys, Stillwater, OK USA.
[Chytka, L.; Hamal, P.; Hrabovsky, M.; Kvita, J.; Nozka, L.] PalackA1 2 Univ, RCPTM, Olomouc, Czech Republic.
[Brau, J. E.; Brost, E.; Hopkins, W. H.; Majewski, S.; Potter, C. T.; Ptacek, E.; Radloff, P.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.; Wanotayaroj, C.; Winklmeier, F.] Univ Oregon, Ctr High Energy Phys, Eugene, OR USA.
[Khalek, S. Abdel; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; Charfeddine, D.; De Vivie De Regie, J. B.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Tanaka, R.; Tran, H. L.; Zerwas, D.; Zhang, Z.] Univ, LAL, Paris Sud & CNRS IN2P3, Orsay, France.
[Endo, M.; Hanagaki, K.; Nomachi, M.; Okamura, W.; Sugaya, Y.; Teoh, J. J.; Yamaguchi, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan.
[Bugge, L.; Bugge, M. K.; Cameron, D.; Catmore, J. R.; Franconi, L.; Gjelsten, B. K.; Gramstad, E.; Morisbak, V.; Ould-Saada, F.; Pajchel, K.; Pedersen, M.; Read, A. L.; Rohne, O.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway.
[Barr, A. J.; Becker, K.; Behr, K.; Boddy, C. R.; Cooper-Sarkar, A. M.; Crispin Ortuzar, M.; Dafinca, A.; Frost, J. A.; Gallas, E. J.; Gupta, S.; Gwenlan, C.; Hall, D.; Hays, C. P.; Henderson, J.; Howard, J.; Huffman, T. B.; Issever, C.; Kalderon, C. W.; King, R. S. B.; Kogan, L. A.; Lewis, A.; Nagai, K.; Nickerson, R. B.; Pachal, K.; Pickering, M. A.; Pinder, A.; Ryder, N. C.; Sawyer, C.; Short, D.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Zhong, J.] Univ Oxford, Dept Phys, Oxford, England.
[Ferrari, R.; Gaudio, G.; Polesello, G.; Vercesi, V.] INFN Sezione Pavia, Pavia, Italy.
[Conta, C.; Dondero, P.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.] Univ Pavia, Dipartimento Fis, Pavia, Italy.
[Brendlinger, K.; Heim, S.; Hines, E.; Hong, T. M.; Jackson, B.; Kroll, J.; Lester, C. M.; Lipeles, E.; Meyer, C.; Ospanov, R.; Stahlman, J.; Thomson, E.; Tuna, A. N.; Vanguri, R.; Williams, H. H.] Univ Pennsylvania, Dept Phys, Philadelphia, PA USA.
[Ezhilov, A.; Gratchev, V.; Grebenyuk, O. G.; Levchenko, M.; Maleev, V. P.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Solovyev, V.] Petersburg Nucl Phys Inst, Gatchina, Russia.
INFN Sezione Pisa, Pisa, Italy.
[Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Volpi, G.; White, S.] Univ Pisa, Dipartimento Fis Fermi, Pisa, Italy.
[Bianchi, R. M.; Boudreau, J.; Cleland, W.; Escobar, C.; Mueller, J.; Prieur, D.; Sapp, K.; Su, J.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA USA.
[Araque, J. P.; Cantrill, R.; Castro, N. F.; Lopes, L.; Pinto, B.; Santos, H.] Laboratorio Instrumentacao Fis Expt Particulas LI, Lisbon, Portugal.
[Amorim, A.; Conde Muio, P.; Da Cunha Sargedas De Sousa, M. J.; Jorge, P. M.; Machado Miguens, J.; Maneira, J.; Palma, A.; Pedro, R.; Tavares Delgado, A.] Univ Lisbon, Faculdade Cincias, Lisbon, Portugal.
[Amor Dos Santos, S. P.; Carvalho, J.; Fiolhais, M. C. N.; Galhardo, B.; Veloso, F.; Wolters, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal.
[Gomes, A.; Maio, A.; Pina, J.; Saraiva, J. G.; Silva, J.] Univ Lisbon, Centro Fis Nucl, Lisbon, Portugal.
[Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal.
[Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor Cosmos & CAFPE, Granada, Spain.
Univ Nova Lisboa, Dep Fis & CEFITEC Faculdade Ciencias Tecnologia, Caparica, Portugal.
[Chudoba, J.; Havranek, M.; Hejbal, J.; Jakoubek, T.; Kepka, O.; Kupco, A.; Kus, V.; Lokajicek, M.; Lysak, R.; Marcisovsky, M.; Mikestikova, M.; Nemecek, S.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic.
[Augsten, K.; Gallus, P.; Guenther, J.; Jakubek, J.; Kohout, Z.; Myska, M.; Pospisil, S.; Seifert, F.; Simak, V.; Slavicek, T.; Smolek, K.; Solar, M.; Solc, J.; Sopczak, A.; Sopko, B.; Sopko, V.; Suk, M.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.; Vykydal, Z.; Zeman, M.] Czech Tech Univ, Prague, Czech Republic.
[Balek, P.; Berta, P.; Cerny, K.; Chalupkova, I.; Davidek, T.; Dolejsi, J.; Dolezal, Z.; Faltova, J.; Kodys, P.; Leitner, R.; Pleskot, V.; Reznicek, P.; Rybar, M.; Scheirich, D.; Spousta, M.; Sykora, T.; Tas, P.; Todorova-Nova, S.; Valkar, S.; Vorobel, V.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic.
[Borisov, A.; Cheremushkina, E.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Golubkov, D.; Kamenshchikov, A.; Karyukhin, A. N.; Korotkov, V. A.; Kozhin, A. S.; Minaenko, A. A.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Zenin, O.] State Res Ctr Inst High Energy Phys, Protvino, Russia.
[Adye, T.; Baines, J. T.; Barnett, B. M.; Burke, S.; Davies, E.; Dewhurst, A.; Dopke, J.; Emeliyanov, D.; Gallop, B. J.; Gee, C. N. P.; Haywood, S. J.; Kirk, J.; Martin-Haugh, S.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Phillips, P. W.; Sankey, D. P. C.; Tyndel, M.; Wickens, F. J.; Wielers, M.] Particle Phys Dept, Rutherford Appleton Lab, Didcot, Oxon, England.
[Tanaka, S.] Ritsumeikan Univ, Kusatsu, Shiga, Japan.
[Anulli, F.; De Pedis, D.; De Salvo, A.; Falciano, S.; Luminari, L.; Marzano, F.; Mirabelli, G.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Safai Tehrani, F.; Sidoti, A.; Vari, R.; Veneziano, S.] INFN Sezione Roma, Rome, Italy.
[Bagiacchi, P.; Bagnaia, P.; Bini, C.; Ciapetti, G.; Di Domenico, A.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Messina, A.; Monzani, S.; Vanadia, M.; Verducci, M.; Zanello, L.] Sapienza Univ Roma, Dipartimento Fis, Rome, Italy.
[Cardarelli, R.; Liberti, B.; Salamon, A.] INFN Sezione Roma Tor Vergata, Rome, Italy.
[Aielli, G.; Cattani, G.; Di Ciaccio, A.; Grossi, G. C.; Iuppa, R.; Mazzaferro, L.; Paolozzi, L.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, Rome, Italy.
[Baroncelli, A.; Biglietti, M.; Farilla, A.; Graziani, E.; Iodice, M.; Passeri, A.; Stanescu, C.] INFN Sezione Roma Tre, Rome, Italy.
[Bacci, C.; Ceradini, F.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Taccini, C.; Trovatelli, M.] Univ Roma Tre, Dipartimento Matemat Fis, Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummada, A.] Seau Univ Phys Hautes Energies Univ, Facult, Sci Ain Chock, Hassan II, Casablanca, Morocco.
[Ghazlane, H.] Ctr Natl IEnergie Sci Techn Nucleaires, Rabat, Morocco.
[El Kacimi, M.; Goujdami, D.] LPHEA Marrakech, Univ, Facult, Sci Semlalia, Marrakech, Morocco.
[Boutouil, S.; Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ, Facult, Sci, Mohamed Premier & LPTPM, Oujda, Morocco.
[Cherkaoui El Moursli, R.; Fassi, F.; Haddad, N.; Idrissi, Z.] Univ, Facult, Sci, Mohammed Agdal, Rabat, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Blanchard, J. -B.; Boonekamp, M.; Calandri, A.; Chevalier, L.; Dano Hoffmann, M.; Deliot, F.; Ernwein, J.; Etienvre, A. I.; Formica, A.; Giraud, P. F.; Goncalves Pinto Firmino Da Costa, J.; Guyot, C.; Hanna, R.; Hassani, S.; Kozanecki, W.; Laporte, J. F.; Maiani, C.; Mansoulie, B.; Martinez, H.; Meric, N.; Meyer, J-P.; Nicolaidou, R.; Ouraou, A.; Protopapadaki, E.; Royon, C. R.; Schoeffel, L.; Schune, Ph.; Schwemling, Ph.; Schwindling, J.; Tsionou, D.; Vranjes, N.; Xiao, M.] DSM IRFU Inst Recherches Ies Lois Fondament IUniv, CEA Saclay Commissariat IEnergie Atom & Energies, Gif Sur Yvette, France.
[Battaglia, M.; Debenedetti, C.; Grabas, H. M. X.; Grillo, A. A.; Kuhl, A.; Law, A. T.; Liang, Z.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Nielsen, J.; Reece, R.; Rose, P.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA USA.
[Blackburn, D.; Coccaro, A.; Goussiou, A. G.; Hsu, S. -C.; Lubatti, H. J.; Marx, M.; Rompotis, N.; Rosten, R.; Rothberg, J.; Russell, H. L.; Sales De Bruin, P. H.; Watts, G.] Univ Washington, Dept Phys, Seattle, WA USA.
[Anastopoulos, C.; Costanzo, D.; Cuhadar Donszelmann, T.; Dawson, I.; Fletcher, G. T.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Kyriazopoulos, D.; Lopez Paredes, B.; Miyagawa, P. S.; Paganis, E.; Tovey, D. R.] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England.
[Hasegawa, Y.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan.
[Atlay, N. B.; Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Ibragimov, I.; Ikematsu, K.; Rosenthal, O.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Physik, Siegen, Germany.
[Buat, Q.; Dawe, E.; Horton, A. J.; O'Neil, D. C.; Stelzer, B.; Tanasijczuk, A. J.; Torres, H.; Van Nieuwkoop, J.] Simon Fraser Univ, Dept Phys, Burnaby, BC, Canada.
[Barklow, T.; Bartoldus, R.; Black, J. E.; Cogan, J. G.; Fulsom, B. G.; Garelli, N.; Grenier, P.; Kagan, M.; Kocian, M.; Koi, T.; Malone, C.; Mount, R.; Nef, P. D.; Nelson, T. K.; Piacquadio, G.; Salnikov, A.; Schwartzman, A.; Silverstein, D.; Strauss, E.; Su, D.; Swiatlowski, M.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA.
[Astalos, R.; Bartos, P.; Blazek, T.; Federic, P.; Plazak, L.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math, Phys Informat, Bratislava, Slovakia.
[Antos, J.; Bruncko, D.; Kladiva, E.; Strizenec, P.; Urban, J.] Slovak Acad Sci, Inst Expt Phys, Dept Subnuclear Phys, Kosice, Slovakia.
[Hamilton, A.] Univ Cape Town, Dept Phys, Cape Town, South Africa.
[Aurousseau, M.; Castaneda-Miranda, E.; Connell, S. H.; Lee, C. A.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa.
[Bristow, K.; Carrillo-Montoya, G. D.; Hamity, G. N.; Hsu, C.; March, L.; Mellado Garcia, B. R.; Ruan, X.; Vickey, T.; Vickey Boeriu, O. E.] Univ, Sch Phys, Johannesburg, South Africa.
[Bohm, C.; Eriksson, D.; Silverstein, S. B.] Stockholm Univ, Dept Phys, Stockholm, Sweden.
[Abulaiti, Y.; Akerstedt, H.; Azuman, B.; Bendtz, K.; Bertoli, G.; Bessidskaia Bylund, O.; Clement, C.; Cribbs, W. A.; Gellerstedt, K.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Petridis, A.; Plucinski, P.; Rossetti, V.; Shcherbakova, A.; Sjolin, J.; Strandberg, S.; Tylmad, M.] Oskar Klein Ctr, Stockholm, Sweden.
[Jovicevic, J.; Kuwertz, E. S.; Lund-Jensen, B.; Morley, A. K.; Strandberg, J.] Royal Inst Technol, Dept Phys, Stockholm, Sweden.
[Bee, C. P.; Campoverde, A.; Chen, K.; Engelmann, R.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Phys Astron & Chem, Stony Brook, NY USA.
[Asquith, L.; Bartsch, V.; Cerri, A.; Chavez Barajas, C. A.; De Sanctis, U.; De Santo, A.; Grout, Z. J.; Potter, C. J.; Salvatore, F.; Santoyo Castillo, I.; Shehu, C. Y.; Suruliz, K.; Sutton, M. R.; Vivarelli, I.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England.
[Black, C. W.; Cuthbert, C.; Finelli, K. D.; Jeng, G. -Y.; Limosani, A.; Patel, N. D.; Saavedra, A. F.; Scarcella, M.; Varvell, K. E.; Watson, I. J.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW, Australia.
[Abdallah, J.; Chu, M. L.; Hou, S.; Hsu, P. J.; Jamin, D. O.; Lee, S. C.; Li, B.; Liu, B.; Liu, D.; Lo Sterzo, F.; Mazini, R.; Ren, Z. L.; Teng, P. K.; Wang, S. M.; Zhang, L.] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Abreu, H.; Cheatham, S.; Di Mattia, A.; Kopeliansky, R.; Musto, E.; Rozen, Y.; Tarem, S.] Techn Israel Inst Technol, Dept Phys, Haifa, Israel.
[Abramowicz, H.; Alexander, G.; Amram, N.; Ashkenazi, A.; Bella, G.; Benary, O.; Benhammou, Y.; Davies, M.; Etzion, E.; Gershon, A.; Gueta, O.; Guttman, N.; Munwes, Y.; Oren, Y.; Silver, Y.; Soffer, A.; Taiblum, N.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, Tel Aviv, Israel.
[Bachas, K.; Gkaitatzis, S.; Gkialas, I.; Iliadis, D.; Kimura, N.; Kordas, K.; Kourkoumeli-Charalampidi, A.; Leisos, A.; Papageorgiou, K.; Paredes Hernandez, D.; Petridou, C.; Sampsonidis, D.; Sidiropoulou, O.] Aristotle Univ Thessaloniki, Dept Phys, Thessaloniki, Greece.
[Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kessoku, K.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamaguchi, H.; Yamamoto, S.; Yamamura, T.; Yamanaka, T.; Yoshihara, K.] Univ Tokyo, Int Ctr Elementary Particle Phys & Dept Phys, Tokyo, Japan.
[Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo, Japan.
[Hirose, M.; Ishitsuka, M.; Jinnouchi, O.; Kobayashi, D.; Kuze, M.; Motohashi, K.; Nagai, R.; Nobe, T.; Pettersson, N. E.] Tokyo Inst Technol, Dept Phys, Tokyo, Japan.
[AbouZeid, O. S.; Batista, S. J.; Brelier, B.; Chau, C. C.; DeMarco, D. A.; Ilic, N.; Keung, J.; Krieger, P.; Mc Goldrick, G.; Orr, R. S.; Polifka, R.; Rudolph, M. S.; Schramm, S.; Sinervo, P.; Spreitzer, T.; Taenzer, J.; Trischuk, W.; Venturi, N.] Univ Toronto, Dept Phys, Toronto, ON, Canada.
[Azuelos, G.; Canepa, A.; Chekulaev, S. V.; Gingrich, D. M.; Koutsman, A.; Oakham, F. G.; Oram, C. J.; Perez Codina, E.; Savard, P.; Schouten, D.; Seuster, R.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.] TRIUMF, Vancouver, BC, Canada.
[Benitez Garcia, J. A.; Manjarres Ramos, J. A.; Palacino, G.; Qureshi, A.; Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON, Canada.
[Hara, K.; Hayashi, T.; Kim, S. H.; Kiuchi, K.; Nagata, K.; Okawa, H.; Sato, K.; Ukegawa, F.] Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki, Japan.
[Beauchemin, P. H.; Hamilton, S.; Meoni, E.; Rolli, S.; Sliwa, K.; Wetter, J.] Tufts Univ, Dept Phys & Astron, Medford, MA USA.
[Losada, M.; Moreno, D.; Navarro, G.; Sandoval, C.] Univ Antonio Narino, Centro Investigaciones, Bogota, Colombia.
[Corso-Radu, A.; Gerbaudo, D.; Lankford, A. J.; Mete, A. S.; Nelson, A.; Rao, K.; Relich, M.; Scannicchio, D. A.; Schernau, M.; Shimmin, C. O.; Taffard, A.; Unel, G.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
INFN Gruppo Collegato Udine, Sezione Trieste, Udine, Italy.
[Quayle, W. B.; Shaw, K.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy.
[Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Soualah, R.] Univ Udine, Dipartimento Chim, Fis Ambiente, Udine, Italy.
[Atkinson, M.; Basye, A.; Benekos, N.; Cavaliere, V.; Chang, P.; Errede, S.; Lie, K.; Liss, T. M.; Neubauer, M. S.; Shang, R.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL USA.
[Bergeaas Kuutmann, E.; Brenner, R.; Buszello, C. P.; Ekelof, T.; Ellert, M.; Ferrari, A.; Isaksson, C.; Madsen, A.; Ohman, H.; Pelikan, D.; Rangel-Smith, C.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden.
[Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J. E.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Hign-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Pedraza Lopez, S.; Perez Garcia-Esta, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torr Pastor, E.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia & CSIC, Inst Fis Corpuscular IFIC & Dept Fis Atom, Mol Nucl & Dept Ingn Elect & Inst Microelectrn Ba, Valencia, Spain.
[Danninger, M.; Fedorko, W.; Gay, C.; Gecse, Z.; King, S. B.; Lister, A.; Swedish, S.; Viel, S.] Univ British Columbia, Dept Phys, Vancouver, BC, Canada.
[Albert, J.; Berghaus, F.; David, C.; Elliot, A. A.; Fincke-Keeler, M.; Hamano, K.; Hill, E.; Keeler, R.; Kowalewski, R.; Lefebvre, M.; Marino, C. P.; Ouellette, E. A.; Pearce, J.; Venturi, M.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada.
[Beckingham, M.; Farrington, S. M.; Harrison, P. F.; Janus, M.; Jeske, C.; Jones, G.; Martin, T. A.; Murray, W. J.; Pianori, E.] Univ Warwick, Dept Phys, Coventry, W Midlands, England.
[Iizawa, T.; Mitani, T.; Sakurai, Y.; Yorita, K.] Waseda Univ, Tokyo, Japan.
[Barak, L.; Bressler, S.; Citron, Z. H.; Duchovni, E.; Gross, E.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Pitt, M.; Roth, I.; Schaarschmidt, J.; Smakhtin, V.] Weizmann Inst Sci, Dept Particle Phys, Rehovot, Israel.
[Banerjee, Sw.; Hard, A. S.; Heng, Y.; Ji, H.; Ju, X.; Kashif, L.; Kruse, A.; Ming, Y.; Pan, Y. B.; Wang, F.; Wiedenmann, W.; Wu, S. L.; Yang, H.; Zhang, F.; Zobernig, G.] Univ Wisconsin, Dept Phys, Madison, WI USA.
[Kuger, F.; Redelbach, A.; Schreyer, M.; Siragusa, G.; Strohmer, R.; Tam, J. Y. C.; Trefzger, T.; Weber, S. W.; Zibell, A.] Fak Physik & Astronomie, Julius Maximilians Univ, Wurzburg, Germany.
[Bannoura, A. A. E.; Barisonzi, M.; Beermann, T. A.; Boek, T. T.; Braun, H. M.; Cornelissen, T.; Duda, D.; Ernis, G.; Fischer, J.; Fleischmann, S.; Flick, T.; Gabizon, O.; Hamacher, K.; Harenberg, T.; Heim, T.; Hirschbuehl, D.; Kersten, S.; Kohlmann, S.; Lenzen, G.; Mattig, P.; Neumann, M.; Pataraia, S.; Sandhoff, M.; Sartisohn, G.; Tepel, F.; Wagner, W.; Wicke, D.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich C Physik, Wuppertal, Germany.
[Baker, O. K.; Bedikian, S.; Cummings, J.; Demers, S.; Garberson, F.; Guest, D.; Henrichs, A.; Ideal, E.; Lagouri, T.; Leister, A. G.; Loginov, A.; Tipton, P.; Wall, R.; Walsh, B.; Wang, X.] Yale Univ, Dept Phys, New Haven, CT USA.
[Hakobyan, H.; Vardanyan, G.] Yerevan Phys Inst, Yerevan, Armenia.
[Rahal, G.] Ctr Calcul IInstitut Natl Phys Nucl, Aire & Phys Particules IN2P3, Villeurbanne, France.
[Acharya, B. S.] Kings Coll London, Dept Phys, London, England.
[Anisenkov, A. V.; Bobrovnikov, V. S.; Korol, A. A.; Maslennikov, A. L.; Maximov, D. A.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] Novosibirsk State Univ, Novosibirsk, Russia.
[Bawa, H. S.; Gao, Y. S.; Lowe, A. J.] Calif State Univ, Dept Phys, Fresno, CA USA.
[Beck, H. P.] Univ Fribourg, Dept Phys, Fribourg, Switzerland.
[Chelkov, G. A.] Tomsk State Univ, Tomsk, Russia.
[Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy.
[Corriveau, F.; McPherson, R. A.; Robertson, S. H.; Sobie, R.; Teuscher, R. J.] Inst Particle Phys IPP, Toronto, ON, Canada.
[Fedin, O. L.] St Petersburg State Polytechn Univ, Dept Phys, St Petersburg, Russia.
[Grinstein, S.; Juste Rozas, A.; Martinez, M.] Inst Catalana Recerca Estudis Avancats, ICREA, Barcelona, Spain.
[Ilchenko, Y.; Onyisi, P. U. E.] Univ Texas, Dept Phys, Austin, TX USA.
[Jejelava, J.] Ilia State Univ, Inst Theoret Phys, Tbilisi, GA USA.
[Kono, T.] Ochanomizu Univ, Ochadai Acad Prod, Tokyo, Japan.
[Konoplich, R.] Manhattan Coll, New York, NY USA.
[Lin, S. C.] Acad Sinica Grid Comp, Acad Sinica, Inst Phys, Taipei, Taiwan.
[Mal, P.] Natl Inst Sci Educ & Res, Sch Phys Sci, Bhubaneswar, Orissa, India.
[Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] Moscow Inst Phys & Technol, Dolgoprudny, Moscow, Russia.
[Nessi, M.] Univ, Sect Phys, GenSve, Geneva, Switzerland.
[Pinamonti, M.] Int Sch Adv Studies SISSA, Trieste, Italy.
[Purohit, M.] Univ S Carolina, Dept Phys & Astron, Columbia, SC USA.
[Shi, L.; Soh, D. A.; Weng, Z.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou, Peoples R China.
[Smirnova, L. N.; Turchikhin, S.] M Lomonosov Moscow State Univ, Fac Phys, Moscow, Russia.
[Toth, J.] Inst Particle & Nucl Phys, Wigner Res Ctr Phys, Budapest, Hungary.
[Wildt, M. A.] Univ Hamburg, Inst Experimentalphysik, Hamburg, Germany.
[Yacoob, S.] Univ KwaZulu Natal, Discipline Phys, Durban, South Africa.
[Yusuff, I.] Univ Malaya, Dept Phys, Kuala Lumpur, Malaysia.
CERN, CH-1211 Geneva 23, Switzerland.
RP Aad, G (reprint author), Univ Adelaide, Dept Phys, Adelaide, SA, Australia.
RI Zaitsev, Alexandre/B-8989-2017; Peleganchuk, Sergey/J-6722-2014; Li,
Liang/O-1107-2015; Monzani, Simone/D-6328-2017; Kuday,
Sinan/C-8528-2014; Garcia, Jose /H-6339-2015; Vanadia,
Marco/K-5870-2016; Ippolito, Valerio/L-1435-2016; Maneira,
Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; KHODINOV,
ALEKSANDR/D-6269-2015; Staroba, Pavel/G-8850-2014; Goncalo,
Ricardo/M-3153-2016; Gauzzi, Paolo/D-2615-2009; Maleev,
Victor/R-4140-2016; Mindur, Bartosz/A-2253-2017; Gutierrez,
Phillip/C-1161-2011; Fabbri, Laura/H-3442-2012; Solodkov,
Alexander/B-8623-2017; Gonzalez de la Hoz, Santiago/E-2494-2016; Guo,
Jun/O-5202-2015; Aguilar Saavedra, Juan Antonio/F-1256-2016; Vranjes
Milosavljevic, Marija/F-9847-2016; Leyton, Michael/G-2214-2016; Jones,
Roger/H-5578-2011; Pacheco Pages, Andres/C-5353-2011; SULIN,
VLADIMIR/N-2793-2015; Vykydal, Zdenek/H-6426-2016; Olshevskiy,
Alexander/I-1580-2016; Snesarev, Andrey/H-5090-2013; Ventura,
Andrea/A-9544-2015; Kantserov, Vadim/M-9761-2015; Brooks,
William/C-8636-2013; Gorelov, Igor/J-9010-2015; Gladilin,
Leonid/B-5226-2011; De, Kaushik/N-1953-2013; Carvalho, Joao/M-4060-2013;
White, Ryan/E-2979-2015; Mashinistov, Ruslan/M-8356-2015; spagnolo,
stefania/A-6359-2012; Buttar, Craig/D-3706-2011; Smirnova,
Oxana/A-4401-2013; Doyle, Anthony/C-5889-2009; Zhukov,
Konstantin/M-6027-2015; Warburton, Andreas/N-8028-2013; Shmeleva,
Alevtina/M-6199-2015; Livan, Michele/D-7531-2012; Gavrilenko,
Igor/M-8260-2015; Boldyrev, Alexey/M-9684-2015; Nechaeva,
Polina/N-1148-2015; Tikhomirov, Vladimir/M-6194-2015; Negrini,
Matteo/C-8906-2014; Di Domenico, Antonio/G-6301-2011; Boyko,
Igor/J-3659-2013; Mitsou, Vasiliki/D-1967-2009; Chekulaev,
Sergey/O-1145-2015
OI Zaitsev, Alexandre/0000-0002-4961-8368; Peleganchuk,
Sergey/0000-0003-0907-7592; Li, Liang/0000-0001-6411-6107; Monzani,
Simone/0000-0002-0479-2207; Kuday, Sinan/0000-0002-0116-5494; Vanadia,
Marco/0000-0003-2684-276X; Ippolito, Valerio/0000-0001-5126-1620;
Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399;
KHODINOV, ALEKSANDR/0000-0003-3551-5808; Goncalo,
Ricardo/0000-0002-3826-3442; Gauzzi, Paolo/0000-0003-4841-5822; Mindur,
Bartosz/0000-0002-5511-2611; Fabbri, Laura/0000-0002-4002-8353;
Solodkov, Alexander/0000-0002-2737-8674; Gonzalez de la Hoz,
Santiago/0000-0001-5304-5390; Guo, Jun/0000-0001-8125-9433; Aguilar
Saavedra, Juan Antonio/0000-0002-5475-8920; Vranjes Milosavljevic,
Marija/0000-0003-4477-9733; Leyton, Michael/0000-0002-0727-8107; Jones,
Roger/0000-0002-6427-3513; Pacheco Pages, Andres/0000-0001-8210-1734;
SULIN, VLADIMIR/0000-0003-3943-2495; Vykydal,
Zdenek/0000-0003-2329-0672; Olshevskiy, Alexander/0000-0002-8902-1793;
Ventura, Andrea/0000-0002-3368-3413; Kantserov,
Vadim/0000-0001-8255-416X; Brooks, William/0000-0001-6161-3570; Gorelov,
Igor/0000-0001-5570-0133; Gladilin, Leonid/0000-0001-9422-8636; De,
Kaushik/0000-0002-5647-4489; Carvalho, Joao/0000-0002-3015-7821; White,
Ryan/0000-0003-3589-5900; Mashinistov, Ruslan/0000-0001-7925-4676;
spagnolo, stefania/0000-0001-7482-6348; Smirnova,
Oxana/0000-0003-2517-531X; Doyle, Anthony/0000-0001-6322-6195;
Warburton, Andreas/0000-0002-2298-7315; Livan,
Michele/0000-0002-5877-0062; Tikhomirov, Vladimir/0000-0002-9634-0581;
Negrini, Matteo/0000-0003-0101-6963; Di Domenico,
Antonio/0000-0001-8078-2759; Boyko, Igor/0000-0002-3355-4662; Mitsou,
Vasiliki/0000-0002-1533-8886;
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW, Austria; FWF,
Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil;
NSERC, Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS,
China; MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech
Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark;
DNSRC, Denmark; Lundbeck Foundation, Denmark; EPLANET, European Union;
ERC, European Union; NSRF, European Union; IN2P3-CNRS, France;
CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, Germany; DFG, Germany; HGF,
Germany; MPG, Germany; AvH Foundation, Germany; GSRT, Greece; NSRF,
Greece; RGC, Hong Kong SAR, China; ISF, Israel; MINERVA, Israel; GIF,
Israel; I-CORE, Israel; Benoziyo Center, Israel; INFN, Italy; MEXT,
Japan; JSPS, Japan; CNRST, Morocco; FOM, Netherlands; NWO, Netherlands;
BRF, Norway; RCN, Norway; MNiSW, Poland; NCN, Poland; GRICES, Portugal;
FCT, Portugal; MNE/IFA, Romania; MES of Russia, Russian Federation; NRC
KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS,
Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC,
Sweden; Wallenberg Foundation, Sweden; SER, Switzerland; SNSF,
Switzerland; Canton of Bern, Switzerland; Canton of Geneva, Switzerland;
NSC, Taiwan; TAEK, Turkey; STFC, United Kingdom; Royal Society, United
Kingdom; Leverhulme Trust, United Kingdom; DOE, United States of
America; NSF, United States of America
FX We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC,
Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq
and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile;
CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and
VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark;
EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France;
GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and
NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and
Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST,
Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN,
Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and
NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and
MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg
Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva,
Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and
Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.
NR 76
TC 6
Z9 6
U1 12
U2 57
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD AUG 27
PY 2015
IS 8
AR 138
DI 10.1007/JHEP08(2015)138
PG 60
WC Physics, Particles & Fields
SC Physics
GA CR0IV
UT WOS:000361002900001
ER
PT J
AU Muller, J
Hartmann, B
Rommel, R
Brandenburg, J
Winter, SM
Schlueter, JA
AF Mueller, Jens
Hartmann, Benedikt
Rommel, Robert
Brandenburg, Jens
Winter, Stephen M.
Schlueter, John A.
TI Origin of the glass-like dynamics in molecular metals
kappa-(BEDT-TTF)(2)X: implications from fluctuation spectroscopy and ab
initio calculations
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
DE organic charge-transfer salts; fluctuation spectroscopy; glassy
molecular dynamics; Mott metal-insulator transition
ID PRESSURE ORGANIC SUPERCONDUCTOR; AMBIENT-PRESSURE; 1/F NOISE; BEDT-TTF;
TEMPERATURE-DEPENDENCE; SUPERCOOLED LIQUIDS; HEAT SPECTROSCOPY;
TRANSITION; PHASE; INSULATOR
AB We have studied the low-frequency dynamics of the charge carriers in different organic charge-transfer salts kappa-(BEDT-TTF)(2)X with polymeric anions X by using resistance noise spectroscopy. Our aim is to investigate the structural, glass-like transition caused by the conformational degrees of freedom of the BEDT-TTF molecules' terminal ethylene groups. Although of fundamental importance for studies of the electronic ground-state properties, the phenomenology of the glassy dynamics has been minimally investigated and its origin is not understood. Our systematic studies of fluctuation spectroscopy of various different compounds reveal a universal, pronounced maximum in the resistance noise power spectral density related to the glass transition. The energy scale of this process can be identified with the activation energy of the glass-like ethylene endgroup structural dynamics as determined from thermodynamic and NMR measurements. For the first time for this class of 'plastic crystals', we report a typical glassy property of the relaxation time, namely a Vogel-Fulcher-Tammann law, and are able to determine the degree of fragility of the glassy system. Supporting ab initio calculations provide an explanation for the origin and phenomenology of the glassy dynamics in different systems in terms of a simple two-level model, where the relevant energy scales are determined by the coupling of the ethylene endgroups to the anions.
C1 [Mueller, Jens; Hartmann, Benedikt; Rommel, Robert; Brandenburg, Jens; Winter, Stephen M.] Goethe Univ Frankfurt, Inst Phys, D-60438 Frankfurt M, Germany.
[Schlueter, John A.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Muller, J (reprint author), Goethe Univ Frankfurt, Inst Phys, SFB TR49, D-60438 Frankfurt M, Germany.
EM j.mueller@physik.uni-frankfurt.de
FU Deutsche Forschungsgemeinschaft (DFG) [SFB/TR 49]; NSERC Canada;
Independent Research/Development program at the National Science
Foundation
FX This work is supported by the Deutsche Forschungsgemeinschaft (DFG)
within SFB/TR 49. S M W thanks NSERC Canada for a postdoctoral
fellowship. J A S acknowledges support from the Independent
Research/Development program at the National Science Foundation. J M is
grateful to Peter Lunkenheimer for valuable hints on the physics of
glasses.
NR 85
TC 2
Z9 2
U1 3
U2 11
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD AUG 27
PY 2015
VL 17
AR 083057
DI 10.1088/1367-2630/17/8/083057
PG 13
WC Physics, Multidisciplinary
SC Physics
GA CQ9TJ
UT WOS:000360957800004
ER
PT J
AU Kang, DWD
Froula, J
Egan, R
Wang, Z
AF Kang, Dongwan D.
Froula, Jeff
Egan, Rob
Wang, Zhong
TI MetaBAT, an efficient tool for accurately reconstructing single genomes
from complex microbial communities
SO PEERJ
LA English
DT Article
DE Metagenome binning; MetaBAT
ID METAGENOMES; SEQUENCES; FRAGMENTS; CLASSIFICATION; RICHNESS; COVERAGE;
BIAS
AB Grouping large genomic fragments assembled from shotgun metagenomic sequences to deconvolute complex microbial communities, or metagenome binning, enables the study of individual organisms and their interactions. Because of the complex nature of these communities, existing metagenome binning methods often miss a large number of microbial species. In addition, most of the tools are not scalable to large datasets. Here we introduce automated software called MetaBAT that integrates empirical probabilistic distances of genome abundance and tetranucleotide frequency for accurate metagenome binning. MetaBAT outperforms alternative methods in accuracy and computational efficiency on both synthetic and real metagenome datasets. It automatically forms hundreds of high quality genome bins on a very large assembly consisting millions of contigs in a matter of hours on a single node. MetaBAT is open source software and available at https://bitbucket.org/berkeleylab/metabat.
C1 [Kang, Dongwan D.; Froula, Jeff; Egan, Rob; Wang, Zhong] Dept Energy Joint Genome Inst, Walnut Creek, CA 94593 USA.
[Kang, Dongwan D.; Froula, Jeff; Egan, Rob; Wang, Zhong] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Genom Div, Berkeley, CA 94720 USA.
[Wang, Zhong] Univ Calif Merced, Sch Nat Sci, Merced, CA USA.
RP Wang, Z (reprint author), Dept Energy Joint Genome Inst, Walnut Creek, CA 94593 USA.
EM zhongwang@lbl.gov
FU Office of Science of the US Department of Energy [DE-AC02-05CH11231]
FX The work was supported by the Office of Science of the US Department of
Energy under Contract No. DE-AC02-05CH11231. The funders had no role in
study design, data collection and analysis, decision to publish, or
preparation of the manuscript.
NR 36
TC 32
Z9 32
U1 10
U2 29
PU PEERJ INC
PI LONDON
PA 341-345 OLD ST, THIRD FLR, LONDON, EC1V 9LL, ENGLAND
SN 2167-8359
J9 PEERJ
JI PeerJ
PD AUG 27
PY 2015
VL 3
AR e1165
DI 10.7717/peerj.1165
PG 15
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA CQ8HS
UT WOS:000360848500002
PM 26336640
ER
PT J
AU Sykes, RW
Gjersing, EL
Foutz, K
Rottmann, WH
Kuhn, SA
Foster, CE
Ziebell, A
Turner, GB
Decker, SR
Hinchee, MAW
Davis, MF
AF Sykes, Robert W.
Gjersing, Erica L.
Foutz, Kirk
Rottmann, William H.
Kuhn, Sean A.
Foster, Cliff E.
Ziebell, Angela
Turner, Geoffrey B.
Decker, Stephen R.
Hinchee, Maud A. W.
Davis, Mark F.
TI Down-regulation of p-coumaroyl quinate/shikimate 3 '-hydroxylase (C3 '
H) and cinnamate 4-hydroxylase (C4H) genes in the lignin biosynthetic
pathway of Eucalyptus urophylla x E. grandis leads to improved sugar
release
SO BIOTECHNOLOGY FOR BIOFUELS
LA English
DT Article
DE Eucalyptus urophylla x E. grandis; Recalcitrance; Genetic modification;
Lignin biosynthesis; Pretreatment
ID BIOFUEL PRODUCTION; ETHANOL; BIOMASS; WOOD; LIGNIFICATION; EXPRESSION;
DEPOSITION; PYROLYSIS; GENETICS; POPLAR
AB Background: Lignocellulosic materials provide an attractive replacement for food-based crops used to produce ethanol. Understanding the interactions within the cell wall is vital to overcome the highly recalcitrant nature of biomass. One factor imparting plant cell wall recalcitrance is lignin, which can be manipulated by making changes in the lignin biosynthetic pathway. In this study, eucalyptus down-regulated in expression of cinnamate 4-hydroxylase (C4H, EC 1.14.13.11) or p-coumaroyl quinate/shikimate 3'-hydroxylase (C3'H, EC 1.14.13.36) were evaluated for cell wall composition and reduced recalcitrance.
Results: Eucalyptus trees with down-regulated C4H or C3'H expression displayed lowered overall lignin content. The control samples had an average of 29.6 %, the C3'H reduced lines had an average of 21.7 %, and the C4H reduced lines had an average of 18.9 % lignin from wet chemical analysis. The C3'H and C4H down-regulated lines had different lignin compositions with average S/G/H ratios of 48.5/33.2/18.3 for the C3'H reduced lines and 59.0/39.8/1.2 for the C4H reduced lines, compared to the control with 65.9/33.2/1.0. Both the C4H and C3'H down-regulated lines had reduced recalcitrance as indicated by increased sugar release as determined using enzymatic conversion assays utilizing both no pretreatment and a hot water pretreatment.
Conclusions: Lowering lignin content rather than altering sinapyl alcohol/coniferyl alcohol/4-coumaryl alcohol ratios was found to have the largest impact on reducing recalcitrance of the transgenic eucalyptus variants. The development of lower recalcitrance trees opens up the possibility of using alternative pretreatment strategies in biomass conversion processes that can reduce processing costs.
C1 [Sykes, Robert W.; Gjersing, Erica L.; Ziebell, Angela; Davis, Mark F.] Natl Bioenergy Ctr, Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Turner, Geoffrey B.; Decker, Stephen R.] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA.
[Foutz, Kirk; Rottmann, William H.; Kuhn, Sean A.; Hinchee, Maud A. W.] ArborGen Inc, Ridgeville, SC 29472 USA.
[Foster, Cliff E.] Michigan State Univ, Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA.
RP Sykes, RW (reprint author), Natl Bioenergy Ctr, Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA.
EM robert.sykes@nrel.gov
OI davis, mark/0000-0003-4541-9852
FU Office of Biological and Environmental Research in the DOE Office of
Science; U.S. Department of Energy [DE-AC36-08-GO28308]; National
Renewable Energy Laboratory
FX The authors acknowledge Richard Forster, Paul Sanders, Marie Connett,
Clare Elton, Sandra Fitzgerald, and Gary Zhang for their contributions
to the design and construction of the plasmids, Peter Richardson, Brian
Kwan, and Marina Kalyaeva for the production and tissue culture of CH'3
and C4H transgenic eucalyptus lines, and Don Kaczmarek and Chris Judy
for maintenance and measurement of the field test. The BioEnergy Science
Center is a U.S. Department of Energy Bioenergy Research Center
supported by the Office of Biological and Environmental Research in the
DOE Office of Science. This work was supported by the U.S. Department of
Energy under Contract No. DE-AC36-08-GO28308 with the National Renewable
Energy Laboratory.
NR 47
TC 7
Z9 7
U1 5
U2 39
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1754-6834
J9 BIOTECHNOL BIOFUELS
JI Biotechnol. Biofuels
PD AUG 27
PY 2015
VL 8
AR 128
DI 10.1186/s13068-015-0316-x
PG 10
WC Biotechnology & Applied Microbiology; Energy & Fuels
SC Biotechnology & Applied Microbiology; Energy & Fuels
GA CP8AO
UT WOS:000360112900001
PM 26312068
ER
PT J
AU Imoto, S
Xantheas, SS
Saito, S
AF Imoto, Sho
Xantheas, Sotiris S.
Saito, Shinji
TI Ultrafast Dynamics of Liquid Water: Energy Relaxation and Transfer
Processes of the OH Stretch and the HOH Bend
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID HYDROGEN-BOND NETWORK; VIBRATIONAL-RELAXATION; TEMPERATURE-DEPENDENCE;
H2O; SPECTROSCOPY; MODE; SIMULATIONS; SURFACE; PHASE; D2O
AB The vibrational energy relaxation and transfer processes of the OH stretching and HOH bending vibrations in liquid water are investigated via the theoretical calculation of the pump probe spectra obtained from nonequilibrium molecular dynamics simulations with the TTM3-F interaction potential. The excitation of the OH stretch induces an instantaneous response of the high frequency librational motions in the 600-1000 cm(-1) range. In addition, the excess energy of the OH stretch of a water molecule quickly transfers to the OH stretches of molecules in its first hydration shell with a time constant of similar to 50 fs, followed by relaxation to the HOH bends of the surrounding molecules with a time constant of 230 fs. The excitation of the HOH bend also results in the ultrafast excitation of the high frequency librational motions. The energy of the excited HOH bend of a water molecule decays, with a time constant of 200 fs, mainly to the relaxation of the HOH bends of its surrounding molecules. The energies of the HOH bends were found to transfer quickly to the intermolecular motions via the coupling with the high frequency librational motions. The excess energy of the OH stretch or the HOH bend relaxes to the high frequency intermolecular librational motions and eventually to the hot ground state with a time scale of similar to 1 ps via the coupling with the librational and translational motions. The energy relaxation and transfer processes were found to depend on the local hydrogen bonding network; the relaxations of the excess energy of the OH stretch and the HOH bend of four- and five-coordinated molecules are faster than those of a three-coordinated molecule due to the delocalization of the vibrational motions of the former (four- and five-coordinated molecules) compared to those of the later (three-coordinated molecules). The present results highlight the importance of the high frequency intermolecular librational modes in facilitating the ultrafast energy relaxation process in liquid water via their strong nonlinear couplings with the intramolecular OH stretching and HOH bending vibrations.
C1 [Imoto, Sho; Saito, Shinji] Grad Univ Adv Studies, Okazaki, Aichi 4118585, Japan.
[Xantheas, Sotiris S.] Pacific NW Natl Lab, Div Phys Sci, Richland, WA 99352 USA.
[Saito, Shinji] Natl Inst Nat Sci, Inst Mol Sci, Dept Theoret & Computat Mol Sci, Okazaki, Aichi 4448585, Japan.
RP Saito, S (reprint author), Grad Univ Adv Studies, Okazaki, Aichi 4118585, Japan.
EM shinji@ims.ac.jp
RI Xantheas, Sotiris/L-1239-2015;
OI Xantheas, Sotiris/0000-0002-6303-1037
FU Strategic Program for Innovation Research (SPIRE); MEXT; Computational
Material Science Initiative (CMSI); U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences, and Biosciences.; [25288011]
FX The authors thank Dr. T. Yagasaki for helpful discussions. The present
study was supported by the Grant-in-Aid for Scientific Research (Grant
No. 25288011), the Strategic Program for Innovation Research (SPIRE),
MEXT, and the Computational Material Science Initiative (CMSI). S.S.X.
acknowledges the support of the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences, and Biosciences. Pacific Northwest National Laboratory
(PNNL) is a multiprogram national laboratory operated for DOE by
Battelle. The calculation was carried out using the computing resources
at the Research Center for Computational Science in Okazaki, Japan.
NR 54
TC 7
Z9 7
U1 3
U2 27
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1520-6106
J9 J PHYS CHEM B
JI J. Phys. Chem. B
PD AUG 27
PY 2015
VL 119
IS 34
BP 11068
EP 11078
DI 10.1021/acs.jpcb.5b02589
PG 11
WC Chemistry, Physical
SC Chemistry
GA CQ2FO
UT WOS:000360415500024
PM 26042611
ER
PT J
AU DeVine, JA
Labib, M
Harries, ME
Rached, RAM
Issa, J
Wishart, JF
Castner, EW
AF DeVine, Jessalyn A.
Labib, Marena
Harries, Megan E.
Rached, Rouba Abdel Malak
Issa, Joseph
Wishart, James F.
Castner, Edward W., Jr.
TI Electron-Transfer Dynamics for a Donor-Bridge-Acceptor Complex in Ionic
Liquids
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID X-RAY-SCATTERING; SOLVATION DYNAMICS; CONFORMATIONAL-ANALYSIS;
CONVENTIONAL SOLVENTS; DISTANCE DEPENDENCE; MOLECULAR-DYNAMICS;
FREE-ENERGY; POLAR; COUMARIN-153; FLUORESCENCE
AB Intramolecular photoinduced electron transfer from an N,N-dimethyl-p-phenylenediamine donor bridged by a diproline spacer to a coumarin 343 acceptor was studied using time-resolved fluorescence measurements in three ionic liquids and in acetonitrile. The three ionic liquids have the bis[(trifluoromethyl)sulfonyl]amide anion paired with the tributylmethylammonium, 1-butyl-1-methylpyrrolidinium, and 1-decyl-1-methylpyrrolidinium cations. The dynamics in the two-proline donor bridge acceptor complex are compared to those observed for the same donor and acceptor connected by a single proline bridge, studied previously by Lee et al. (J. Phys. Chem. C 2012, 116, 5197). The increased conformational freedom afforded by the second bridging praline resulted in multiple energetically accessible conformations. The multiple conformations have significant variations in donor acceptor electronic coupling, leading to dynamics that include both adiabatic and nonadiabatic contributions. In common with the single-proline bridged complex, the intramolecular electron transfer in the two-proline system was found to be in the Marcus inverted regime.
C1 [DeVine, Jessalyn A.; Issa, Joseph; Castner, Edward W., Jr.] Rutgers State Univ, Dept Chem & Chem Engn, Piscataway, NJ 08854 USA.
[Labib, Marena; Harries, Megan E.; Rached, Rouba Abdel Malak] Fordham Univ, Dept Nat Sci, New York, NY 10023 USA.
[Wishart, James F.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Wishart, JF (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM wishart@bnl.gov; ed.castner@rutgers.edu
RI Wishart, James/L-6303-2013
OI Wishart, James/0000-0002-0488-7636
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences [DE-SC0001780,
DE-AC02-98CH10886, DE-SC0012704]
FX The authors thank Dr. Min Liang for measuring the steady-state
fluorescence spectra of tBu-Pro-C343. This work was supported by the
U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences, under contracts
DE-SC0001780 (E.W.C.), DE-AC02-98CH10886 (J.F.W.) and DE-SC0012704
(J.F.W.).
NR 70
TC 2
Z9 2
U1 1
U2 27
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1520-6106
J9 J PHYS CHEM B
JI J. Phys. Chem. B
PD AUG 27
PY 2015
VL 119
IS 34
BP 11336
EP 11345
DI 10.1021/acs.jpcb.5b03320
PG 10
WC Chemistry, Physical
SC Chemistry
GA CQ2FO
UT WOS:000360415500049
PM 26075578
ER
PT J
AU Oliver, TAA
Fleming, GR
AF Oliver, Thomas A. A.
Fleming, Graham R.
TI Following Coupled Electronic-Nuclear Motion through Conical
Intersections in the Ultrafast Relaxation of beta-Apo-8 '-carotenal
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID BETA-CAROTENE ISOMERS; CHARGE-TRANSFER STATE; STIMULATED
RAMAN-SPECTROSCOPY; POTENTIAL-ENERGY SURFACES; EXCITED-STATE; LINEAR
POLYENES; VIBRATIONAL SPECTROSCOPY; SOLVENT POLARITY;
INFRARED-SPECTROSCOPY; PURPLE BACTERIA
AB Ultrafast transient electronic absorption, one-and two-dimensional electronic-vibrational spectroscopies were used to study the nonradiative relaxation dynamics of beta-apo-8'-carotenal (bapo), a model aldehyde containing carotenoid, in cyclohexane and acetonitrile solutions. 2D electronic-vibrational (2DEV) spectroscopy allows for a direct correlation between the intrinsically coupled electronic and vibrational degrees of freedom, which are thought to play an important role in driving relaxation of bapo from the bright S-2 and lower-lying dark S-1 state. Line shapes of features in the 2DEV spectra allow us to make more definitive assignments of excited state vibrations of bapo in acetonitrile. Anisotropy studies definitively demonstrate that the excited state dynamics of bapo do not involve a trans-cis isomerization, counter to prior hypotheses. For specific vibrational modes, the electronic and vibrational line shapes remain correlated beyond the decay of the S2 excited state, indicating that the transfer of molecules to the S-1 state is impulsive and involves a conical intersection in the vertical Franck-Condon region.
C1 [Oliver, Thomas A. A.; Fleming, Graham R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Oliver, Thomas A. A.; Fleming, Graham R.] Univ Calif Berkeley, Kavli Energy Nanosci Inst, Berkeley, CA 94720 USA.
[Oliver, Thomas A. A.; Fleming, Graham R.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Fleming, GR (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM grfleming@lbl.gov
FU National Science Foundation (NSF) [CHE-1012168]; NSF [CHE-0840505]
FX The authors thank Hui Dong and Nicholas Lewis for useful discussions.
This work was supported by the National Science Foundation (NSF) under
Contract CHE-1012168. We are also grateful to the College of Chemistry
Molecular Graphics facility, which is funded by NSF under Contract
CHE-0840505.
NR 67
TC 6
Z9 6
U1 3
U2 21
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1520-6106
J9 J PHYS CHEM B
JI J. Phys. Chem. B
PD AUG 27
PY 2015
VL 119
IS 34
BP 11428
EP 11441
DI 10.1021/acs.jpcb.5b04893
PG 14
WC Chemistry, Physical
SC Chemistry
GA CQ2FO
UT WOS:000360415500057
PM 26132534
ER
EF