FN Thomson Reuters Web of Science™
VR 1.0
PT J
AU Pool, VL
Klem, MT
Chorney, CL
Arenholz, EA
Idzerda, YU
AF Pool, V. L.
Klem, M. T.
Chorney, C. L.
Arenholz, E. A.
Idzerda, Y. U.
TI Enhanced magnetism of Fe3O4 nanoparticles with Ga doping
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article; Proceedings Paper
CT 55th Annual Conference on Magnetism and Magnetic Materials
CY NOV, 2010
CL Atlanta, GA
ID GAMMA-FE2O3 NANOPARTICLES; CATALYSTS; PROPANE; SURFACE
AB Magnetic (GaxFe1-x)(3)O-4 nanoparticles with 5%-33% gallium doping (x = 0.05-0.33) were measured using x-ray absorption spectroscopy and x-ray magnetic circular dichroism to determine that the Ga dopant is substituting for Fe3+ as Ga3+ in the tetrahedral A-site of the spinel structure, resulting in an overall increase in the total moment of the material. Frequency-dependent alternating-current magnetic susceptibility measurements showed these particles to be weakly interacting with a reduction of the cubic anisotropy energy term with Ga concentration. The element-specific dichroism spectra show that the average Fe moment is observed to increase with Ga concentration, a result consistent with the replacement of A-site Fe by Ga. (C) 2011 American Institute of Physics. [doi:10.1063/1.3562196]
C1 [Pool, V. L.; Idzerda, Y. U.] Montana State Univ, Dept Phys, Bozeman, MT 59715 USA.
[Klem, M. T.; Chorney, C. L.] Montana Tech Univ, Dept Chem & Geochem, Butte, MT 59701 USA.
[Klem, M. T.; Chorney, C. L.] Montana Tech Univ, Ctr Adv Supramol & Nano Syst, Butte, MT 59715 USA.
[Arenholz, E. A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Pool, VL (reprint author), Montana State Univ, Dept Phys, Bozeman, MT 59715 USA.
EM pool@physics.montana.edu
NR 15
TC 7
Z9 7
U1 0
U2 13
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD APR 1
PY 2011
VL 109
IS 7
AR 07B529
DI 10.1063/1.3562196
PG 3
WC Physics, Applied
SC Physics
GA 755PY
UT WOS:000289949000387
ER
PT J
AU Rong, CB
Zhang, Y
Poudyal, N
Wang, DP
Kramer, MJ
Liu, JP
AF Rong, Chuanbing
Zhang, Ying
Poudyal, Narayan
Wang, Dapeng
Kramer, M. J.
Liu, J. Ping
TI Bulk SmCo5/alpha-Fe nanocomposite permanent magnets fabricated by
mould-free Joule-heating compaction
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article; Proceedings Paper
CT 55th Annual Conference on Magnetism and Magnetic Materials
CY NOV, 2010
CL Atlanta, GA
AB Bulk SmCo5/alpha-Fe nanocomposite magnets have been prepared using a Joule-heating compaction technique. Nearly fully dense bulk magnets are obtained by compacting the milled powders under a pressure of 2 GPa at temperatures above 400 degrees C. Structural analysis shows that the grain size of both the SmCo5 and the alpha-Fe phases is in the range of 10 to 15 nm when the compaction temperature is lower than 500 degrees C, which ensures effective interphase exchange coupling. A further increase in compaction temperature leads to significant grain growth and deterioration of magnetic properties. A maximum energy product of about 18.5 MGOe was obtained in the bulk SmCo5/alpha-Fe nanocomposite magnets, which is 90% higher than that of the single-phase counterpart prepared under the same conditions. (c) 2011 American Institute of Physics. [doi:10.1063/1.3563098]
C1 [Rong, Chuanbing; Zhang, Ying; Poudyal, Narayan; Wang, Dapeng; Liu, J. Ping] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA.
[Zhang, Ying; Kramer, M. J.] Iowa State Univ, Div Mat Sci & Engn, Ames Lab, USDOE, Ames, IA 50011 USA.
RP Rong, CB (reprint author), Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA.
EM crong@uta.edu; pliu@uta.edu
NR 16
TC 13
Z9 13
U1 3
U2 13
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD APR 1
PY 2011
VL 109
IS 7
AR 07A735
DI 10.1063/1.3563098
PG 3
WC Physics, Applied
SC Physics
GA 755PY
UT WOS:000289949000253
ER
PT J
AU Smith, R
Chung, PS
Steckel, JA
Jhon, MS
Biegler, LT
AF Smith, Robert
Chung, Pil Seung
Steckel, Janice A.
Jhon, Myung S.
Biegler, Lorenz T.
TI Force field parameter estimation of functional perfluoropolyether
lubricants
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article; Proceedings Paper
CT 55th Annual Conference on Magnetism and Magnetic Materials
CY NOV, 2010
CL Atlanta, GA
ID FILMS
AB The head disk interface in a hard disk drive can be considered to be one of the hierarchical multiscale systems, which require the hybridization of multiscale modeling methods with coarse-graining procedure. However, the fundamental force field parameters are required to enable the coarse-graining procedure from atomistic/molecular scale to mesoscale models. In this paper, we investigate beyond molecular level and perform ab initio calculations to obtain the force field parameters. Intramolecular force field parameters for Zdol and Ztetraol were evaluated with truncated PFPE molecules to allow for feasible quantum calculations while still maintaining the characteristic chemical structure of the end groups. Using the harmonic approximation to the bond and angle potentials, the parameters were derived from the Hessian matrix, and the dihedral force constants are fit to the torsional energy profiles generated by a series of constrained molecular geometry optimization. (C) 2011 American Institute of Physics. [doi:10.1063/1.3556700]
C1 [Smith, Robert; Chung, Pil Seung; Jhon, Myung S.; Biegler, Lorenz T.] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
[Smith, Robert; Chung, Pil Seung; Jhon, Myung S.; Biegler, Lorenz T.] Carnegie Mellon Univ, Ctr Data Storage Syst, Pittsburgh, PA 15213 USA.
[Steckel, Janice A.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Jhon, Myung S.] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon, South Korea.
RP Jhon, MS (reprint author), Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
EM mj3a@andrew.cmu.edu
NR 7
TC 7
Z9 7
U1 0
U2 23
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD APR 1
PY 2011
VL 109
IS 7
AR 07B728
DI 10.1063/1.3556700
PG 3
WC Physics, Applied
SC Physics
GA 755PY
UT WOS:000289949000422
ER
PT J
AU Wei, X
Le Roy, D
Skomski, R
Li, XZ
Sun, Z
Shield, JE
Kramer, MJ
Sellmyer, DJ
AF Wei, X.
Le Roy, D.
Skomski, R.
Li, X. Z.
Sun, Z.
Shield, J. E.
Kramer, M. J.
Sellmyer, D. J.
TI Structure and magnetism of MnAu nanoclusters
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article; Proceedings Paper
CT 55th Annual Conference on Magnetism and Magnetic Materials
CY NOV, 2010
CL Atlanta, GA
ID SHELL NANOPARTICLES; NEEL TEMPERATURE; TRANSITION; AU; ANOMALIES
AB Equiatomic MnAu clusters with average sizes of 4 and 10 nm are produced by inert-gas condensation. As-produced clusters are used to form both dense cluster films and films with clusters embedded in a W matrix with a cluster volume fraction of 25%. Both structure and magnetism are size-dependent. Structural analysis of the 10 nm clusters indicate a distorted tetragonal body-centered cubic structure with lattice parameters a = 0.315 and c = 0.329 nm. The 4 nm clusters have a partially ordered tetragonal L1(0) structure with lattice parameters a = 0.410 nm and c = 0.395 nm. Magnetic properties of the clusters show evidence at low temperatures of mixed ferromagnetic and antiferromagnetic interactions and ordering as well as paramagnetic spins. Saturation moments are as large as 0.54 mu(B) per average Mn atom. The results are compared with earlier theoretical calculations on bulk MnAu. (C) 2011 American Institute of Physics. [doi:10.1063/1.3559502]
C1 [Wei, X.; Le Roy, D.; Skomski, R.; Sellmyer, D. J.] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA.
[Shield, J. E.] Univ Nebraska, Dept Mech Engn, Lincoln, NE 68588 USA.
[Wei, X.; Le Roy, D.; Skomski, R.; Li, X. Z.; Sun, Z.; Shield, J. E.; Sellmyer, D. J.] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68588 USA.
[Kramer, M. J.] Ames Lab, Ames, IA 50011 USA.
RP Wei, X (reprint author), Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA.
EM sunshine@huskers.unl.edu
RI Wei , Xiaohui/H-8746-2012
NR 19
TC 2
Z9 2
U1 0
U2 12
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 APR 1
PY 2011
VL 109
IS 7
AR 07B523
DI 10.1063/1.3559502
PG 3
WC Physics, Applied
SC Physics
GA 755PY
UT WOS:000289949000381
ER
PT J
AU Zhong, XC
Zou, M
Zhang, H
Liu, ZW
Zeng, DC
Gschneidner, KA
Pecharsky, VK
AF Zhong, X. C.
Zou, M.
Zhang, H.
Liu, Z. W.
Zeng, D. C.
Gschneidner, K. A., Jr.
Pecharsky, V. K.
TI Crystal structure and magnetic properties of R5Sn4 alloys, where R is
Tb, Dy, Ho, and Er
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article; Proceedings Paper
CT 55th Annual Conference on Magnetism and Magnetic Materials
CY NOV, 2010
CL Atlanta, GA
AB Crystal structure and magnetic properties of R5Sn4 alloys with R = Tb, Dy, Ho, and Er have been studied. R5Sn4, R11Sn10, and R5Sn3 phases coexist in the annealed alloys and the content of 11:10 and 5:3 phases varies between 9 and 17 wt.%. The R5Sn4 major phase has Sm5Ge4-type orthorhombic structure with space group Pnma. Tb5Sn4 has a complex magnetic structure, spin re-orientation and ferrimagnetic-paramagnetic phase transitions occur at similar to 54 and similar to 84 K, respectively. For Dy5Sn4, Ho5Sn4, and Er5Sn4, the antiferromagnetic-paramagnetic phase transitions occur at about 22, 15, and 8 K, respectively. The magnetic entropy changes (-Delta S-M) of all alloys are negative at low temperature and changes to positive at higher temperatures, which could be attributed to the change of magnetic states. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3549562]
C1 [Zhong, X. C.; Liu, Z. W.; Zeng, D. C.] S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China.
[Zhong, X. C.; Zou, M.; Zhang, H.; Gschneidner, K. A., Jr.; Pecharsky, V. K.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA.
[Gschneidner, K. A., Jr.; Pecharsky, V. K.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
[Zhang, H.] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, 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
NR 14
TC 0
Z9 0
U1 0
U2 17
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD APR 1
PY 2011
VL 109
IS 7
AR 07A917
DI 10.1063/1.3549562
PG 3
WC Physics, Applied
SC Physics
GA 755PY
UT WOS:000289949000301
ER
PT J
AU Rauscher, SA
Kucharski, F
Enfield, DB
AF Rauscher, Sara A.
Kucharski, Fred
Enfield, David B.
TI The Role of Regional SST Warming Variations in the Drying of
Meso-America in Future Climate Projections
SO JOURNAL OF CLIMATE
LA English
DT Article
ID TROPICAL TROPOSPHERIC TEMPERATURE; NORTH-ATLANTIC OSCILLATION; NINO
SOUTHERN-OSCILLATION; LOW-LEVEL JET; EL-NINO; INTERANNUAL VARIABILITY;
MONTHLY PRECIPITATION; HURRICANE FREQUENCY; CARIBBEAN RAINFALL;
WESTERN-HEMISPHERE
AB This paper addresses several hypotheses designed to explain why AOGCM simulations of future climate in the third phase of the Coupled Model Intercomparison Project (CMIP3) feature an intensified reduction of precipitation over the Meso-America (MA) region. While the drying is consistent with an amplification of the subtropical high pressure cells and an equatorward contraction of convective regions clue to the "upped ante" for convection in a warmer atmosphere, the physical mechanisms behind the intensity and robustness of the MA drying signal have not been fully explored. Regional variations in sea surface temperature (SST) warming may play a role. First, SSTs over the tropical North Atlantic (TNA) do not warm as much as the surrounding ocean. The troposphere senses a TNA that is cooler than the tropical Pacific, potentially exciting a Gill-type response, increasing the strength of the North Atlantic subtropical high. Second, the warm ENSO-like state simulated in the eastern tropical Pacific could decrease precipitation over MA, as warm ENSO events are associated with drying over MA.
The authors use the International Centre for Theoretical Physics (ICTP) AGCM to investigate the effects of these regional SST warming variations on the projected drying over MA. First, the change of SSTs [Special Report on Emissions Scenarios (SRES) A1B's Twentieth-Century Climate in Coupled Model (A1B-20C)] in the ensemble average of the CMIP3 models is applied to determine if the ICTP AGCM can replicate the future drying. Then the effects of 1) removing the reduced warming over the TNA, 2) removing the warm ENSO-event-like pattern in the eastern tropical Pacific, and 3) applying uniform SST warming throughout the tropics are tested. The ICTP AGCM can reproduce the general pattern and amount of precipitation over MA. Simulations in which the CMIP3 A1B-20C ensemble-average SSTs are added to climatological SSTs show drying of more than 20% over the MA region, similar to the CMIP3 ensemble average. Replacing the relatively cooler SSTs over the TNA excites a Gill response consistent with an off-equatorial heating anomaly, showing that the TNA relative cooling is responsible for about 16% (31%) of the drying in late spring (early summer). The warm ENSO-like SST pattern over the eastern Pacific also affects precipitation over the MA region, with changes of 19% and 31% in March-June (MMJ) and June-August (JJA), respectively. This work highlights the importance of understanding even robust signals in the CMIP3 future scenario simulations, and should aid in the design and analysis of future climate change studies over the region.
C1 [Rauscher, Sara A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Kucharski, Fred] Abdus Salam Int Ctr Theoret Phys, Earth Syst Phys Sect, Trieste, Italy.
[Enfield, David B.] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Cooperat Inst Marine & Atmospher Studies, Miami, FL 33149 USA.
RP Rauscher, SA (reprint author), Los Alamos Natl Lab, T-3 Fluid Dynam,MS B216, Los Alamos, NM 87545 USA.
EM rauscher@lanl.gov
RI Enfield, David/I-2112-2013
OI Enfield, David/0000-0001-8107-5079
FU U.S. Department of Energy; European Commission [GOCE-CT-2003-505539]
FX SR gratefully acknowledges the support of the U.S. Department of Energy
through the LANL/LDRD Program. FK is supported by the ENSEMBLES project,
funded by the European Commission's Sixth Framework Programme (Contract
GOCE-CT-2003-505539). We acknowledge the modeling groups for providing
their data for analysis: the Program for Climate Model Diagnosis and
Intercomparison (PCMDI) for collecting and archiving the model output
and the JSC/CLIVAR Working Group on Coupled Modelling (WGCM) for
organizing the model data analysis activity. The multimodel data archive
is supported by the Office of Science, U.S. Department of Energy. We
thank Dr. Xunqiang Bi for downloading and processing some of the data
used in this work. We thank three anonymous reviewers, whose comments
greatly helped to improve the quality and clarity of this paper.
NR 62
TC 26
Z9 28
U1 0
U2 9
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 APR 1
PY 2011
VL 24
IS 7
BP 2003
EP 2016
DI 10.1175/2010JCLI3536.1
PG 14
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 757BG
UT WOS:000290058300010
ER
PT J
AU Hartmann, T
Alaniz, A
Poineau, F
Weck, PF
Valdez, JA
Tang, M
Jarvinen, GD
Czerwinski, KR
Sickafus, KE
AF Hartmann, T.
Alaniz, A.
Poineau, F.
Weck, P. F.
Valdez, J. A.
Tang, M.
Jarvinen, G. D.
Czerwinski, K. R.
Sickafus, K. E.
TI Structure studies on lanthanide technetium pyrochlores as prospective
host phases to immobilize (99)technetium and fission lanthanides from
effluents of reprocessed used nuclear fuels
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID CRYSTAL-STRUCTURE; BONDING TRENDS; OXIDES
AB We report here results of a systematic investigation regarding the incorporation of Tc-99 into pyrochlore oxide structures, Ln(2)Tc(2)O(7), where Ln represents trivalent lanthanide Ln(3+) cations, while Tc-99 is a tetravalent. Tc4+, metal cation. In this study, we used the following Ln cations: Pr, Nd, Sm, Gd and Lu. The goal in this preliminary study was to characterize and quantify the range of stability of the lanthanum technetium pyrochlore oxide phase. Powder X-ray diffraction (XRD) and Rietveld analysis was used to characterize the crystalline phase content, while scanning electron microscopy (SEM) was used to characterize the microstructure and homogeneity of the Ln-Tc pyrochlore specimens. All of the pyrochlore samples exhibited good crystallinity and their lattice parameters could be refined with remarkable accuracy. Low refinement residuals (R-Bragg) of 1.1-3.1% were achieved. The refined, cubic lattice parameters ranged from 1.0447156(83) nm for Pr2Tc2O7 to 1.013777(22) nm for Lu2Tc2O7, with a linear trend relative to the Ln(3+) ionic radius. We also demonstrated here the successful synthesis of Nd2Tc2O7, using a simple, scalable synthesis route. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Hartmann, T.; Weck, P. F.] Univ Nevada, Harry Reid Ctr Environm Studies, Las Vegas, NV 89154 USA.
[Alaniz, A.] Univ Nevada, Dept Mech Engn, Las Vegas, NV 89154 USA.
[Poineau, F.; Czerwinski, K. R.] Univ Nevada, Dept Chem, Las Vegas, NV 89154 USA.
[Valdez, J. A.; Tang, M.; Sickafus, K. E.] Los Alamos Natl Lab, Div Mat Sci, Los Alamos, NM 87545 USA.
[Jarvinen, G. D.] Los Alamos Natl Lab, Seaborg Inst, Stockpile Mfg & Support Directorate, Los Alamos, NM 87545 USA.
RP Hartmann, T (reprint author), Univ Nevada, Harry Reid Ctr Environm Studies, 4505 Maryland Pkwy, Las Vegas, NV 89154 USA.
EM thomas.hartmann@unlv.edu
OI , Philippe/0000-0002-7610-2893
FU US Department of Energy, Office of Nuclear Energy (DOE-NE)
[DE-AC52-06NA25396]; Los Alamos National Laboratory [76399-001-09];
DOE-NE at Los Alamos National Laboratory
FX This project was funded under the auspices of the US Department of
Energy, Office of Nuclear Energy (DOE-NE), cooperate Agreement No.
DE-AC52-06NA25396. The funding of this research was provided through the
subcontract No. 76399-001-09 with Los Alamos National Laboratory.
Valdez, Tang, Jarvinen and Sickafus were sponsored by a DOE-NE program
at Los Alamos National Laboratory on advanced waste forms for fission
products. We also thank the kind efforts of the UNLV Radiochemistry
radiation safety team.
NR 19
TC 11
Z9 11
U1 1
U2 20
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
J9 J NUCL MATER
JI J. Nucl. Mater.
PD APR
PY 2011
VL 411
IS 1-3
BP 60
EP 71
DI 10.1016/j.jnucmat.2011.01.033
PG 12
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA 757GL
UT WOS:000290073400007
ER
PT J
AU King, WE
Robel, M
Gilmer, GH
AF King, Wayne E.
Robel, Martin
Gilmer, George H.
TI The potential to use fission gas release experiments to measure lattice
and grain boundary diffusion in metallic fuels
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID URANIUM METAL; XE-133 GAS; CONSTANT VOLUME; AIR; TEMPERATURE;
IRRADIATION
AB We have applied a model for lattice and grain boundary diffusion in polycrystalline materials to assess the potential for the use of fission gas release experiments to measure the lattice and grain boundary diffusion coefficients in metallic nuclear fuel materials. Our assessment is that, assuming that grain boundary diffusion in metallic fuels is similar to that in other metals, it is reasonable to expect that lattice diffusion coefficients can be determined from short time gas release experiments and the product of the grain boundary diffusion coefficient, the segregation factor, and the boundary width can be extracted from gas release experiments at longer times. Under the same assumption, activation energies can be deduced from the temperature dependence of the measured diffusivities. (C) 2011 Elsevier B.V.. All rights reserved.
C1 [King, Wayne E.; Robel, Martin; Gilmer, George H.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94551 USA.
RP King, WE (reprint author), Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, POB 808,L-353, Livermore, CA 94551 USA.
EM weking@llnl.gov
FU US Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX The authors are grateful to Georges Martin (formerly of CEA-Saclay,
France), Yuri Mishin (George Mason University), Donald Olander
(University of California at Berkeley), Jeffrey Rest (Argonne National
Laboratory), and Carol Velsko (Lawrence Livermore National Laboratory),
for critically reading and commenting on this manuscript. Important
technical input from Ken Moody (Lawrence Livermore National Laboratory)
is gratefully acknowledged. This work performed under the auspices of
the US Department of Energy by Lawrence Livermore National Laboratory
under Contract DE-AC52-07NA27344.
NR 26
TC 3
Z9 3
U1 0
U2 3
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
J9 J NUCL MATER
JI J. Nucl. Mater.
PD APR
PY 2011
VL 411
IS 1-3
BP 97
EP 111
DI 10.1016/j.jnucmat.2011.01.037
PG 15
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA 757GL
UT WOS:000290073400011
ER
PT J
AU Gan, J
Keiser, DD
Miller, BD
Wachs, DM
Allen, TR
Kirk, M
Rest, J
AF Gan, J.
Keiser, D. D., Jr.
Miller, B. D.
Wachs, D. M.
Allen, T. R.
Kirk, M.
Rest, J.
TI Microstructure of RERTR DU-alloys irradiated with krypton ions up to 100
dpa
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID DISPERSION FUEL; BEHAVIOR; MATRIX; PLATE; MODEL
AB The radiation stability of the interaction product formed at the fuel-matrix interface of research reactor dispersion fuels, under fission-product bombardment, has a strong impact on fuel performance. Three depleted uranium alloys were cast that consisted of the following five phases to be investigated: U(Si, Al)(3), (U, Mo)(Si, Al)(3), UMo(2)Al(20), U(6)Mo(4)Al(43), and UAl(4). Irradiation of transmission electron microscopy (TEM) disc samples with 500-key Kr ions at 200 degrees C to doses up to similar to 100 displacements per atom (dpa) were conducted using a 300-key electron microscope equipped with an ion accelerator. TEM results show that the U(Si, Al)(3) and UAl(4) phases remain crystalline at 100 dpa without forming voids. The (U, Mo)(Si, Al)(3) and UMo(2)Al(20) phases become amorphous at 1 and 2 dpa, respectively, and show no evidence of voids at 100 dpa. The U(6)Mo(4)Al(43) phase goes to amorphous at less than 1 and similar to 2 dpa and reveals high density voids at 100 dpa. (C) 2011 Published by Elsevier B.V.
C1 [Gan, J.; Keiser, D. D., Jr.; Miller, B. D.; Wachs, D. M.] Idaho Natl Lab, Nucl Fuels & Mat Div, Idaho Falls, ID 83415 USA.
[Allen, T. R.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
[Kirk, M.; Rest, J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Keiser, DD (reprint author), Idaho Natl Lab, Nucl Fuels & Mat Div, POB 1625, Idaho Falls, ID 83415 USA.
EM Dennis.Keiser@inl.gov
OI Allen, Todd/0000-0002-2372-7259
FU US Department of Energy (DOE); DOE Idaho Operations Office
[DE-AC07-05ID14517]
FX The authors would like to express their gratitude to Pete M. Baldo and
Edward A. Ryan at the Argonne National Laboratory IVEM facility for the
Kr ion irradiation. This work was supported by the US Department of
Energy (DOE) to the RERTR program at Idaho National Laboratory, operated
by Battelle Energy Alliance, LLC, under DOE Idaho Operations Office
Contract DE-AC07-05ID14517. Accordingly, the US 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 29
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U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
J9 J NUCL MATER
JI J. Nucl. Mater.
PD APR
PY 2011
VL 411
IS 1-3
BP 174
EP 180
DI 10.1016/j.jnucmat.2011.01.121
PG 7
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA 757GL
UT WOS:000290073400021
ER
PT J
AU Palmer, DA
Benezeth, P
Xiao, CB
Wesolowski, DJ
Anovitz, LM
AF Palmer, Donald A.
Benezeth, Pascale
Xiao, Caibin
Wesolowski, David J.
Anovitz, Lawrence M.
TI Solubility Measurements of Crystalline NiO in Aqueous Solution as a
Function of Temperature and pH
SO JOURNAL OF SOLUTION CHEMISTRY
LA English
DT Article
DE Nickel oxide; Bunsenite; Ni(II); Solubility; Thermodynamics; Hydrolysis;
Aqueous solutions; Temperature; pH
ID THERMODYNAMIC PROPERTIES; ELEVATED-TEMPERATURES; NICKEL-OXIDE;
ZINC-OXIDE; WATER; HYDROLYSIS; HYDROXIDE; BOEHMITE; KINETICS; IONS
AB Results of solubility experiments involving crystalline nickel oxide (bunsenite) in aqueous solutions are reported as functions of temperature (0 to 350 degrees C) and pH at pressures slightly exceeding (with one exception) saturation vapor pressure. These experiments were carried out in either flow-through reactors or a hydrogen-electrode concentration cell for mildly acidic to near neutral pH solutions. The results were treated successfully with a thermodynamic model incorporating only the unhydrolyzed aqueous nickel species (viz., Ni(2+)) and the neutrally charged hydrolyzed species (viz., Ni(OH(2)(0)). The thermodynamic quantities obtained at 25 degrees C and infinite dilution are, with 2 sigma uncertainties: log10 K(s0)(0) = (12.40 +/- 0.29), Delta(r)G(m)(0) = -(70.8 +/- 1.7) kJ.mol(-1); Delta(r)H(m)(0) = -(105.6 +/- 1.3) kJ.mol(-1); Delta(r)s(m)(0) = -(116.6 +/- 3.2) J.K(-1).mol(-1); Delta(r)C(p,m)(0) = (0 +/- 13) J.K(-1).mol(-1); and log(10) K(s2)(0) = -(8.76 +/- 0.15); Delta(r)G(m)(0) = (50.0 +/- 1.7) kJ.mol(-1); Delta(r)H(m)(0) = (17.7 +/- 1.7) kJ.mol(-1); Delta(r)s(m)(0) = -(108 +/- 7) J.K(-1).mol(-1); Delta(r)C(p,m)(0) = -(108 +/- 3) J.K(-1).mol(-1). These results are internally consistent, but the latter set differs from those gleaned from previous studies recorded in the literature. The corresponding thermodynamic quantities for the formation of Ni(2+) and Ni (OH)(0)(2) are also estimated. Moreover, the Ni(OH)(-)(3) anion was never observed, even in relatively strong basic solutions (m(OH)- = 0.1 mol.kg(-1)), contrary to the conclusions drawn from all but one previous study.
C1 [Palmer, Donald A.; Wesolowski, David J.; Anovitz, Lawrence M.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Benezeth, Pascale] Univ Toulouse, CNRS, UMR 5563, IRD, F-31400 Toulouse, France.
[Xiao, Caibin] Barclay Water Management Inc, Watertown, MA 02472 USA.
RP Palmer, DA (reprint author), Oak Ridge Natl Lab, Div Chem Sci, POB 2008, Oak Ridge, TN 37831 USA.
EM Solution_Chemistry@comcast.net
RI BENEZETH, Pascale/H-7969-2014; Anovitz, Lawrence/P-3144-2016
OI BENEZETH, Pascale/0000-0002-1841-2383; Anovitz,
Lawrence/0000-0002-2609-8750
FU U.S. Department of Energy under the NEPO initiative; EPRI, Inc.; Palo
Alto, California
FX All of the experimental work was carried out in the Chemical Sciences
Division of ORNL under sponsorship of the U.S. Department of Energy
under the NEPO initiative in collaboration with EPRI, Inc., Palo Alto,
California with project managers Paul Frattini and Keith Frazzetti.
NR 32
TC 14
Z9 14
U1 2
U2 27
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0095-9782
J9 J SOLUTION CHEM
JI J. Solut. Chem.
PD APR
PY 2011
VL 40
IS 4
BP 680
EP 702
DI 10.1007/s10953-011-9670-x
PG 23
WC Chemistry, Physical
SC Chemistry
GA 754JN
UT WOS:000289851000009
ER
PT J
AU Brovelli, S
Schaller, RD
Crooker, SA
Garcia-Santamaria, F
Chen, Y
Viswanatha, R
Hollingsworth, JA
Htoon, H
Klimov, VI
AF Brovelli, S.
Schaller, R. D.
Crooker, S. A.
Garcia-Santamaria, F.
Chen, Y.
Viswanatha, R.
Hollingsworth, J. A.
Htoon, H.
Klimov, V. I.
TI Nano-engineered electron-hole exchange interaction controls exciton
dynamics in core-shell semiconductor nanocrystals
SO NATURE COMMUNICATIONS
LA English
DT Article
ID INVERTED CORE/SHELL NANOCRYSTALS; CDSE QUANTUM DOTS; DIELECTRIC
CONFINEMENT; AUGER RECOMBINATION; DARK-EXCITON; LUMINESCENCE; BLINKING;
SUPPRESSION; REGIMES; ENERGY
AB A strong electron-hole exchange interaction (EI) in semiconductor nanocrystals (NCs) gives rise to a large (up to tens of meV) splitting between optically active ('bright') and optically passive ('dark') excitons. This dark-bright splitting has a significant effect on the optical properties of band-edge excitons and leads to a pronounced temperature and magnetic field dependence of radiative decay. Here we demonstrate a nanoengineering-based approach that provides control over EI while maintaining nearly constant emission energy. We show that the dark-bright splitting can be widely tuned by controlling the electron-hole spatial overlap in core-shell CdSe/CdS NCs with a variable shell width. In thick-shell samples, the EI energy reduces to <250 mu eV, which yields a material that emits with a nearly constant rate over temperatures from 1.5 to 300 K and magnetic fields up to 7 T. The EI-manipulation strategies demonstrated here are general and can be applied to other nanostructures with variable electron-hole overlap.
C1 [Brovelli, S.; Schaller, R. D.; Garcia-Santamaria, F.; Chen, Y.; Viswanatha, R.; Hollingsworth, J. A.; Htoon, H.; Klimov, V. I.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Schaller, R. D.; Htoon, H.; Klimov, V. I.] Los Alamos Natl Lab, Ctr Adv Solar Photophys, Los Alamos, NM 87545 USA.
[Crooker, S. A.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
[Hollingsworth, J. A.; Htoon, H.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Klimov, VI (reprint author), Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
EM klimov@lanl.gov
OI Klimov, Victor/0000-0003-1158-3179; Htoon, Han/0000-0003-3696-2896
FU LANL; Chemical Sciences, Biosciences and Geosciences Division of the
Office of Basic Energy Sciences (BES), Office of Science, US DOE; Office
of BES, Office of Science, US DOE [2009LANL1096]
FX S.B. is supported by the LANL Laboratory Directed Research and
Development (LDRD) Program. V. I. K., R. D. S., S. A. C., F.G.-S. and R.
V. acknowledge support by the Chemical Sciences, Biosciences and
Geosciences Division of the Office of Basic Energy Sciences (BES),
Office of Science, US DOE. J.A.H. and H. H. are partially supported by a
Single-Investigator Small-Group Research award (2009LANL1096) funded by
the Office of BES, Office of Science, US DOE. This work was conducted in
part in the Center for Integrated Nanotechnologies jointly operated by
Los Alamos and Sandia National Laboratories for the US DOE.
NR 37
TC 117
Z9 117
U1 4
U2 90
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 2041-1723
J9 NAT COMMUN
JI Nat. Commun.
PD APR
PY 2011
VL 2
AR 280
DI 10.1038/ncomms1281
PG 8
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 756AN
UT WOS:000289983800018
PM 21505436
ER
PT J
AU Morenzoni, E
Wojek, BM
Suter, A
Prokscha, T
Logvenov, G
Bozovic, I
AF Morenzoni, Elvezio
Wojek, Bastian M.
Suter, Andreas
Prokscha, Thomas
Logvenov, Gennady
Bozovic, Ivan
TI The Meissner effect in a strongly underdoped cuprate above its critical
temperature
SO NATURE COMMUNICATIONS
LA English
DT Article
ID MUON SPIN ROTATION; POSITIVE MUONS; T-C; SUPERCONDUCTIVITY;
ANTIFERROMAGNETISM; LA2-XSRXCUO4; PSEUDOGAP; OXIDES; STATE
AB The Meissner effect and associated perfect 'bulk' diamagnetism together with zero resistance and gap opening are characteristic features of the superconducting state. In the pseudogap state of cuprates, unusual diamagnetic signals and anomalous proximity effects have been detected, but a Meissner effect has never been observed. Here we probe the local diamagnetic response in the normal state of an underdoped La(1.94)Sr(0.06)CuO(4) layer (T'(c)less than or similar to 5 K), which is brought into close contact with two nearly optimally doped La(1.84)Sr(0.16)CuO(4) layers (T(c)approximate to 32 K). We show that the entire 'barrier' layer of thickness, much larger than the typical c axis coherence lengths of cuprates, exhibits a Meissner effect at temperatures above T'(c) but below T(c). The temperature dependence of the effective penetration depth and superfluid density in different layers indicates that superfluidity with long-range phase coherence is induced in the underdoped layer by the proximity to optimally doped layers, but this induced order is sensitive to thermal excitation.
C1 [Morenzoni, Elvezio; Wojek, Bastian M.; Suter, Andreas; Prokscha, Thomas] Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland.
[Wojek, Bastian M.] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland.
[Logvenov, Gennady; Bozovic, Ivan] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
RP Morenzoni, E (reprint author), Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland.
EM elvezio.morenzoni@psi.ch
OI Wojek, Bastian M./0000-0002-8216-5321; Morenzoni,
Elvezio/0000-0002-9663-4213
FU US Department of Energy, Basic Energy Sciences, Materials Sciences and
Engineering Division
FX We thank M. Dobeli (ETH Zurich) for performing the Rutherford
backscattering measurements and Z. Salman (PSI) for helping in the final
phase of the LE-mu SR measurements. The work at BNL was supported by the
US Department of Energy, Basic Energy Sciences, Materials Sciences and
Engineering Division.
NR 34
TC 17
Z9 17
U1 2
U2 15
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 2041-1723
J9 NAT COMMUN
JI Nat. Commun.
PD APR
PY 2011
VL 2
AR 272
DI 10.1038/ncomms1273
PG 7
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 756AN
UT WOS:000289983800010
PM 21505428
ER
PT J
AU Dam, P
Kataeva, I
Yang, SJ
Zhou, FF
Yin, YB
Chou, WC
Poole, FL
Westpheling, J
Hettich, R
Giannone, R
Lewis, DL
Kelly, R
Gilbert, HJ
Henrissat, B
Xu, Y
Adams, MWW
AF Dam, Phuongan
Kataeva, Irina
Yang, Sung-Jae
Zhou, Fengfeng
Yin, Yanbin
Chou, Wenchi
Poole, Farris L., II
Westpheling, Janet
Hettich, Robert
Giannone, Richard
Lewis, Derrick L.
Kelly, Robert
Gilbert, Harry J.
Henrissat, Bernard
Xu, Ying
Adams, Michael W. W.
TI Insights into plant biomass conversion from the genome of the anaerobic
thermophilic bacterium Caldicellulosiruptor bescii DSM 6725
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID CARBOHYDRATE-BINDING MODULES; ANAEROCELLUM-THERMOPHILUM;
CLOSTRIDIUM-THERMOCELLUM; MULTIDOMAIN XYLANASE; THERMOTOGA-MARITIMA;
CELL-WALLS; CELLULOSE; DEGRADATION; PROTEIN; XYLOGLUCAN
AB Caldicellulosiruptor bescii DSM 6725 utilizes various polysaccharides and grows efficiently on untreated high-lignin grasses and hardwood at an optimum temperature of similar to 80 degrees C. It is a promising anaerobic bacterium for studying high-temperature biomass conversion. Its genome contains 2666 protein-coding sequences organized into 1209 operons. Expression of 2196 genes (83%) was confirmed experimentally. At least 322 genes appear to have been obtained by lateral gene transfer (LGT). Putative functions were assigned to 364 conserved/hypothetical protein (C/HP) genes. The genome contains 171 and 88 genes related to carbohydrate transport and utilization, respectively. Growth on cellulose led to the up-regulation of 32 carbohydrate-active (CAZy), 61 sugar transport, 25 transcription factor and 234 C/HP genes. Some C/HPs were overproduced on cellulose or xylan, suggesting their involvement in polysaccharide conversion. A unique feature of the genome is enrichment with genes encoding multi-modular, multi-functional CAZy proteins organized into one large cluster, the products of which are proposed to act synergistically on different components of plant cell walls and to aid the ability of C. bescii to convert plant biomass. The high duplication of CAZy domains coupled with the ability to acquire foreign genes by LGT may have allowed the bacterium to rapidly adapt to changing plant biomass-rich environments.
C1 [Dam, Phuongan; Zhou, Fengfeng; Yin, Yanbin; Chou, Wenchi; Xu, Ying] Univ Georgia, Inst Bioinformat, Athens, GA 30602 USA.
[Dam, Phuongan; Kataeva, Irina; Yang, Sung-Jae; Zhou, Fengfeng; Yin, Yanbin; Poole, Farris L., II; Gilbert, Harry J.; Xu, Ying; Adams, Michael W. W.] Univ Georgia, Dept Biochem & Mol Biol, Athens, GA 30602 USA.
[Dam, Phuongan; Kataeva, Irina; Yang, Sung-Jae; Zhou, Fengfeng; Yin, Yanbin; Chou, Wenchi; Poole, Farris L., II; Westpheling, Janet; Hettich, Robert; Giannone, Richard; Lewis, Derrick L.; Kelly, Robert; Xu, Ying; Adams, Michael W. W.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Westpheling, Janet] Univ Georgia, Dept Genet, Athens, GA 30602 USA.
[Lewis, Derrick L.; Kelly, Robert] N Carolina State Univ, Dept Chem & Biomol Engn, Raleigh, NC 27695 USA.
[Gilbert, Harry J.] Univ Georgia, Complex Carbohydrate Res Ctr, Athens, GA 30602 USA.
[Henrissat, Bernard] CNRS, F-13288 Marseille, France.
[Henrissat, Bernard] Univ Aix Marseille 1, F-13288 Marseille, France.
[Henrissat, Bernard] Univ Aix Marseille 2, F-13288 Marseille, France.
RP Xu, Y (reprint author), Univ Georgia, Inst Bioinformat, Athens, GA 30602 USA.
EM xyn@bmb.uga.edu; adams@bmb.uga.edu
RI Yin, Yanbin/C-9788-2010; Zhou, Fengfeng/A-8932-2008; Henrissat,
Bernard/J-2475-2012; Hettich, Robert/N-1458-2016
OI Yin, Yanbin/0000-0001-7667-881X; Zhou, Fengfeng/0000-0002-8108-6007;
Hettich, Robert/0000-0001-7708-786X
FU Bioenergy Science Center (BESC); Oak Ridge National Laboratory; Office
of Biological and Environmental Research in the DOE Office of Science
[DE-PS02-06ER64304, DOE 4000063512]; University of California; Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; Lawrence Livermore
National Laboratory [DE-AC52-07NA27344]; Los Alamos National Laboratory
[DE-AC02-06NA25396]; Agence Nationale de la Recherche
[AANR-07-BIOE-006]; National Science Foundation [DEB-0830024,
DBI-0542119]; US Department of Energy [DE-AC05-00OR22725]
FX This work was supported by the Bioenergy Science Center (BESC), Oak
Ridge National Laboratory, a US Department of Energy Bioenergy Research
Center supported by the Office of Biological and Environmental Research
in the DOE Office of Science (contract no. DE-PS02-06ER64304) (DOE
4000063512); the University of California, Lawrence Berkeley National
Laboratory (contract no. DE-AC02-05CH11231); Lawrence Livermore National
Laboratory (contract No. DE-AC52-07NA27344); Los Alamos National
Laboratory (contract No. DE-AC02-06NA25396). Agence Nationale de la
Recherche, e-TRICEL (grant No. AANR-07-BIOE-006, to B.H.); National
Science Foundation, (DEB-0830024, DBI-0542119). Funding for open access
charge: US Department of Energy (DE-AC05-00OR22725).
NR 68
TC 53
Z9 54
U1 0
U2 24
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD APR
PY 2011
VL 39
IS 8
BP 3240
EP 3254
DI 10.1093/nar/gkq1281
PG 15
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 757AD
UT WOS:000290055200026
PM 21227922
ER
PT J
AU Titarenko, YE
Batyaev, VF
Titarenko, AY
Butko, MA
Pavlov, KV
Florya, SN
Tikhonov, RS
Zhivun, VM
Ignatyuk, AV
Mashnik, SG
Leray, S
Boudard, A
Cugnon, J
Mancusi, D
Yariv, Y
Nishihara, K
Matsuda, N
Kumawat, H
Mank, G
Gudowski, W
AF Titarenko, Yu E.
Batyaev, V. F.
Titarenko, A. Yu
Butko, M. A.
Pavlov, K. V.
Florya, S. N.
Tikhonov, R. S.
Zhivun, V. M.
Ignatyuk, A. V.
Mashnik, S. G.
Leray, S.
Boudard, A.
Cugnon, J.
Mancusi, D.
Yariv, Y.
Nishihara, K.
Matsuda, N.
Kumawat, H.
Mank, G.
Gudowski, W.
TI Measurement and simulation of the cross sections for nuclide production
in Fe-56 and Cr-nat targets irradiated with 0.04- to 2.6-GeV protons
SO PHYSICS OF ATOMIC NUCLEI
LA English
DT Article
ID ENERGY PROTONS; ELEMENTS; RANGE
AB The cross sections for nuclide production in thin Fe-56 and Cr-nat targets irradiated by 0.04-2.6-GeV protons are measured by direct gamma spectrometry using two gamma spectrometers with the resolutions of 1.8 and 1.7 keV for the Co-60 1332-keV gamma line. As a result, 649 yields of radioactive residual product nuclei have been obtained. The Al-27(p, x)Na-22 reaction has been used as a monitor reaction. The experimental data are compared with the MCNPX (BERTINI, ISABEL), CEM03.02, INCL4.2, INCL4.5, PHITS, and CASCADE07 calculations.
C1 [Titarenko, Yu E.; Batyaev, V. F.; Titarenko, A. Yu; Butko, M. A.; Pavlov, K. V.; Florya, S. N.; Tikhonov, R. S.; Zhivun, V. M.] Inst Theoret & Expt Phys, Moscow 117218, Russia.
[Ignatyuk, A. V.] Inst Phys & Power Engn, Obninsk 249033, Kaluga Oblast, Russia.
[Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Leray, S.; Boudard, A.] CEA, Saclay, France.
[Cugnon, J.; Mancusi, D.] Univ Liege, B-4000 Liege, Belgium.
[Yariv, Y.] Soreq NRC, Yavne, Israel.
[Nishihara, K.; Matsuda, N.] JAEA, Tokai, Ibaraki, Japan.
[Kumawat, H.] BARC, Bombay, Maharashtra, India.
[Mank, G.] IAEA, A-1400 Vienna, Austria.
[Gudowski, W.] Royal Inst Technol, Stockholm, Sweden.
RP Titarenko, YE (reprint author), Inst Theoret & Expt Phys, Ul Bolshaya Cheremushkinskaya 25, Moscow 117218, Russia.
EM Yury.Titarenko@itep.ru
RI Leray, Sylvie/A-3924-2012;
OI Leray, Sylvie/0000-0002-1942-2911; Mancusi, Davide/0000-0002-2518-8228
FU International Science and Technology Center [3266]; State Nuclear Energy
Corporation Rosatom
FX This work was supported by the International Science and Technology
Center, project no. 3266, and by the State Nuclear Energy Corporation
Rosatom.
NR 22
TC 8
Z9 8
U1 0
U2 3
PU MAIK NAUKA/INTERPERIODICA/SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA
SN 1063-7788
EI 1562-692X
J9 PHYS ATOM NUCL+
JI Phys. Atom. Nuclei
PD APR
PY 2011
VL 74
IS 4
BP 523
EP 536
DI 10.1134/S1063778811040168
PG 14
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 756TZ
UT WOS:000290038900002
ER
PT J
AU Titarenko, YE
Batyaev, VF
Titarenko, AY
Butko, MA
Pavlov, KV
Florya, SN
Tikhonov, RS
Zhivun, VM
Ignatyuk, AV
Mashnik, SG
Leray, S
Boudard, A
Cugnon, J
Mancusi, D
Yariv, Y
Nishihara, K
Matsuda, N
Kumawat, H
Mank, G
Gudowski, W
AF Titarenko, Yu E.
Batyaev, V. F.
Titarenko, A. Yu
Butko, M. A.
Pavlov, K. V.
Florya, S. N.
Tikhonov, R. S.
Zhivun, V. M.
Ignatyuk, A. V.
Mashnik, S. G.
Leray, S.
Boudard, A.
Cugnon, J.
Mancusi, D.
Yariv, Y.
Nishihara, K.
Matsuda, N.
Kumawat, H.
Mank, G.
Gudowski, W.
TI Measurement and simulation of the cross sections for nuclide production
in Nb-93 and Ni-nat targets irradiated with 0.04- to 2.6-GeV protons
SO PHYSICS OF ATOMIC NUCLEI
LA English
DT Article
ID ENERGY PROTONS
AB The cross sections for nuclide production in thin Nb-93 and Ni-nat targets irradiated by 0.04- to 2.6-GeV protons have been measured by direct gamma spectrometry using two gamma spectrometers with the resolutions of 1.8 and 1.7 keV in the Co-60 1332-keV gamma line. As a result, 1112 yields of radioactive residual nuclei have been obtained. The Al-27(p, x)Na-22 reaction has been used as a monitor reaction. The experimental data have been compared with the MCNPX (BERTINI, ISABEL), CEM03.02, INCL4.2, INCL4.5, PHITS, and CASCADE07 calculations.
C1 [Titarenko, Yu E.; Batyaev, V. F.; Titarenko, A. Yu; Butko, M. A.; Pavlov, K. V.; Florya, S. N.; Tikhonov, R. S.; Zhivun, V. M.] Inst Theoret & Expt Phys, Moscow 117218, Russia.
[Ignatyuk, A. V.] Inst Phys & Power Engn, Obninsk 249033, Kaluga Oblast, Russia.
[Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Leray, S.; Boudard, A.] CEA, Saclay, France.
[Cugnon, J.; Mancusi, D.] Univ Liege, B-4000 Liege, Belgium.
[Yariv, Y.] Soreq NRC, Yavne, Israel.
[Nishihara, K.; Matsuda, N.] JAEA, Tokai, Ibaraki, Japan.
[Kumawat, H.] BARC, Bombay, Maharashtra, India.
[Mank, G.] IAEA, A-1400 Vienna, Austria.
[Gudowski, W.] Royal Inst Technol, Stockholm, Sweden.
RP Titarenko, YE (reprint author), Inst Theoret & Expt Phys, Ul Bolshaya Cheremushkinskaya 25, Moscow 117218, Russia.
EM Yury.Titarenko@itep.ru
RI Leray, Sylvie/A-3924-2012;
OI Leray, Sylvie/0000-0002-1942-2911; Mancusi, Davide/0000-0002-2518-8228
FU International Science and Technology Center [3266]; State Nuclear Energy
Corporation Rosatom
FX This work was supported by the International Science and Technology
Center, project no. 3266, and by the State Nuclear Energy Corporation
Rosatom.
NR 17
TC 8
Z9 8
U1 0
U2 4
PU MAIK NAUKA/INTERPERIODICA/SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA
SN 1063-7788
EI 1562-692X
J9 PHYS ATOM NUCL+
JI Phys. Atom. Nuclei
PD APR
PY 2011
VL 74
IS 4
BP 537
EP 550
DI 10.1134/S106377881104017X
PG 14
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 756TZ
UT WOS:000290038900003
ER
PT J
AU Titarenko, YE
Batyaev, VF
Titarenko, AY
Butko, MA
Pavlov, KV
Florya, SN
Tikhonov, RS
Zhivun, VM
Ignatyuk, AV
Mashnik, SG
Leray, S
Boudard, A
Cugnon, J
Mancusi, D
Yariv, Y
Nishihara, K
Matsuda, N
Kumawat, H
Mank, G
Gudowski, W
AF Titarenko, Yu E.
Batyaev, V. F.
Titarenko, A. Yu
Butko, M. A.
Pavlov, K. V.
Florya, S. N.
Tikhonov, R. S.
Zhivun, V. M.
Ignatyuk, A. V.
Mashnik, S. G.
Leray, S.
Boudard, A.
Cugnon, J.
Mancusi, D.
Yariv, Y.
Nishihara, K.
Matsuda, N.
Kumawat, H.
Mank, G.
Gudowski, W.
TI Measurement and simulation of the cross sections for nuclide production
in W-nat and Ta-181 targets irradiated with 0.04- to 2.6-GeV protons
SO PHYSICS OF ATOMIC NUCLEI
LA English
DT Article
AB The cross sections for nuclide production in thin (nat)Wand Ta-181 targets irradiated by 0.04-2.6-GeV protons have been measured by direct gamma spectrometry using two gamma spectrometers with the resolutions of 1.8 and 1.7 keV in the Co-60 1332-keV gamma line. As a result, 1895 yields of radioactive residual product nuclei have been obtained. The Al-27(p, x)Na-22 reaction has been used as a monitor reaction. The experimental data have been compared with the MCNPX (BERTINI, ISABEL), CEM03.02, INCL4.2, INCL4.5, PHITS, and CASCADE07 calculations.
C1 [Titarenko, Yu E.; Batyaev, V. F.; Titarenko, A. Yu; Butko, M. A.; Pavlov, K. V.; Florya, S. N.; Tikhonov, R. S.; Zhivun, V. M.] Inst Theoret & Expt Phys, Moscow 117218, Russia.
[Ignatyuk, A. V.] Inst Phys & Power Engn, Obninsk 249033, Kaluga Oblast, Russia.
[Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Leray, S.; Boudard, A.] CEA, Saclay, France.
[Cugnon, J.; Mancusi, D.] Univ Liege, B-4000 Liege, Belgium.
[Yariv, Y.] Soreq NRC, Yavne, Israel.
[Nishihara, K.; Matsuda, N.] JAEA, Tokai, Ibaraki, Japan.
[Kumawat, H.] BARC, Bombay, Maharashtra, India.
[Mank, G.] IAEA, A-1400 Vienna, Austria.
[Gudowski, W.] Royal Inst Technol, Stockholm, Sweden.
RP Titarenko, YE (reprint author), Inst Theoret & Expt Phys, Ul Bolshaya Cheremushkinskaya 25, Moscow 117218, Russia.
EM Yury.Titarenko@itep.ru
RI Leray, Sylvie/A-3924-2012;
OI Leray, Sylvie/0000-0002-1942-2911; Mancusi, Davide/0000-0002-2518-8228
FU International Science and Technology Center [3266]; State Nuclear Energy
Corporation Rosatom
FX This work was supported by the International Science and Technology
Center, project no. 3266, and by the State Nuclear Energy Corporation
Rosatom.
NR 13
TC 9
Z9 9
U1 0
U2 3
PU MAIK NAUKA/INTERPERIODICA/SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA
SN 1063-7788
EI 1562-692X
J9 PHYS ATOM NUCL+
JI Phys. Atom. Nuclei
PD APR
PY 2011
VL 74
IS 4
BP 551
EP 572
DI 10.1134/S1063778811040181
PG 22
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 756TZ
UT WOS:000290038900004
ER
PT J
AU Titarenko, YE
Batyaev, VF
Titarenko, AY
Butko, MA
Pavlov, KV
Florya, SN
Tikhonov, RS
Zhivun, VM
Ignatyuk, AV
Mashnik, SG
Leray, S
Boudard, A
Cugnon, J
Mancusi, D
Yariv, Y
Nishihara, K
Matsuda, N
Kumawat, H
Mank, G
Gudowski, W
AF Titarenko, Yu E.
Batyaev, V. F.
Titarenko, A. Yu
Butko, M. A.
Pavlov, K. V.
Florya, S. N.
Tikhonov, R. S.
Zhivun, V. M.
Ignatyuk, A. V.
Mashnik, S. G.
Leray, S.
Boudard, A.
Cugnon, J.
Mancusi, D.
Yariv, Y.
Nishihara, K.
Matsuda, N.
Kumawat, H.
Mank, G.
Gudowski, W.
TI Measurement and simulation of the cross sections for the production of
Gd-148 in thin W-nat and Ta-181 targets irradiated with 0.4- to 2.6-GeV
protons
SO PHYSICS OF ATOMIC NUCLEI
LA English
DT Article
ID CODE
AB The cross sections for the production of Gd-148 in W-nat and Ta-181 targets irradiated by 0.4-, 0.6-, 0.8-, 1.2-, 1.6-, and 2.6-GeV protons at the ITEP accelerator complex have been measured by direct alpha spectrometry without chemical separation. The experimental data have been compared with the data obtained at other laboratories and with the theoretical simulations of the yields on the basis of the BERTINI, ISABEL, CEM03.02, INCL4.2, INCL4.5, CASCADE07, and PHITS codes.
C1 [Titarenko, Yu E.; Batyaev, V. F.; Titarenko, A. Yu; Butko, M. A.; Pavlov, K. V.; Florya, S. N.; Tikhonov, R. S.; Zhivun, V. M.] Inst Theoret & Expt Phys, Moscow 117218, Russia.
[Ignatyuk, A. V.] Inst Phys & Power Engn, Obninsk 249033, Kaluga Oblast, Russia.
[Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Leray, S.; Boudard, A.] CEA, Saclay, France.
[Cugnon, J.; Mancusi, D.] Univ Liege, B-4000 Liege, Belgium.
[Yariv, Y.] Soreq NRC, Yavne, Israel.
[Nishihara, K.; Matsuda, N.] JAEA, Tokai, Ibaraki, Japan.
[Kumawat, H.] BARC, Bombay, Maharashtra, India.
[Mank, G.] IAEA, A-1400 Vienna, Austria.
[Gudowski, W.] Royal Inst Technol, Stockholm, Sweden.
RP Titarenko, YE (reprint author), Inst Theoret & Expt Phys, Ul Bolshaya Cheremushkinskaya 25, Moscow 117218, Russia.
EM Yury.Titarenko@itep.ru
RI Leray, Sylvie/A-3924-2012;
OI Leray, Sylvie/0000-0002-1942-2911; Mancusi, Davide/0000-0002-2518-8228
FU International Science and Technology Center [3266]; State Nuclear Energy
Corporation Rosatom
FX This work was supported by the International Science and Technology
Center, project no. 3266, and by the State Nuclear Energy Corporation
Rosatom.
NR 13
TC 3
Z9 3
U1 0
U2 4
PU MAIK NAUKA/INTERPERIODICA/SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA
SN 1063-7788
EI 1562-692X
J9 PHYS ATOM NUCL+
JI Phys. Atom. Nuclei
PD APR
PY 2011
VL 74
IS 4
BP 573
EP 579
DI 10.1134/S1063778811040193
PG 7
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 756TZ
UT WOS:000290038900005
ER
PT J
AU McFadden, GB
Coriell, SR
Lott, PA
AF McFadden, G. B.
Coriell, S. R.
Lott, P. A.
TI Onset of morphological instability in two binary liquid layers
SO PHYSICS OF FLUIDS
LA English
DT Article
ID CONVECTION
AB We consider the linear stability of a horizontal liquid bilayer subject to vertical heating. The two layers consist of a binary liquid that has undergone a phase transition, resulting in a horizontal interphase boundary between two phases with different compositions. We perform linear stability calculations to determine the critical values for the applied temperature difference across the system that is necessary to produce instability using both numerical computations and small-wavenumber approximations. We focus on an instability primarily due to the phase change, which can occur in the absence of buoyancy and surface-tension-driven convection. We find both direct and oscillatory modes of instability, either of which can persist to small wavenumbers that allow approximate analytical descriptions. The interaction of flow with a deforming phase boundary plays a critical role in the instability, and the results are compared to morphological stability results that can be obtained in the absence of flow. [doi:10.1063/1.3567188]
C1 [McFadden, G. B.; Coriell, S. R.] NIST, Gaithersburg, MD 20899 USA.
[Lott, P. A.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP McFadden, GB (reprint author), NIST, Gaithersburg, MD 20899 USA.
EM mcfadden@nist.gov
RI McFadden, Geoffrey/A-7920-2008
OI McFadden, Geoffrey/0000-0001-6723-2103
FU National Research Council; U.S. Department of Energy by Lawrence
Livermore National Laboratory [DE-AC52-07NA27344]
FX This work was supported in part by a National Research Council
Postdoctoral Fellowship and performed in part under the auspices of the
U.S. Department of Energy by Lawrence Livermore National Laboratory
under Contract No. DE-AC52-07NA27344.
NR 15
TC 1
Z9 1
U1 0
U2 7
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-6631
J9 PHYS FLUIDS
JI Phys. Fluids
PD APR
PY 2011
VL 23
IS 4
AR 044102
DI 10.1063/1.3567188
PG 8
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 756YF
UT WOS:000290050000025
ER
PT J
AU Ren, HY
Wu, YH
AF Ren, Huiying
Wu, Yanhua
TI Turbulent boundary layers over smooth and rough forward-facing steps
SO PHYSICS OF FLUIDS
LA English
DT Article
ID SURFACE-ROUGHNESS; WALL TURBULENCE; VORTEX IDENTIFICATION; SPANWISE
VORTICES; FLOW
AB The present work explores the impact of the roughness on the turbulent boundary layers over forward-facing steps. The roughness topography on the top surface of the rough step is replicated from a realistic turbine blade and embodies three-dimensional and highly irregular topographical features. High spatial resolution particle image velocimetry measurements are performed in the x-y planes at two different spanwise positions in turbulent boundary layers over both smooth and rough steps of the same mean heights at Re-h=3450 and delta/h=8. Comparison of mean flow structures, Reynolds normal and shear stresses, quadrant analysis of instantaneous shear stress contributing events, and average spanwise vorticity reveals that the separated flow after the step is weakened by the surface roughness on top of the step while the flow ahead of the step is invariant to the surface conditions. The characteristics of the coherent spanwise vortices such as the numbers, size, and circulation distributions are also found to be significantly modified by the roughness topography. (C) 2011 American Institute of Physics. [doi:10.1063/1.3576911]
C1 [Ren, Huiying; Wu, Yanhua] Wright State Univ, Dept Mech & Mat Engn, Dayton, OH 45435 USA.
RP Ren, HY (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM yanhuawu@ntu.edu.sg
RI Wu, Yanhua/A-3839-2011;
OI Wu, Yanhua/0000-0003-2345-4630
FU Wright State University
FX This study is supported by Wright State University. The authors thank
Professor Christensen at University of Illinois at Urbana-Champaign for
providing the roughness topography data.
NR 30
TC 16
Z9 16
U1 0
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 1070-6631
EI 1089-7666
J9 PHYS FLUIDS
JI Phys. Fluids
PD APR
PY 2011
VL 23
IS 4
AR 045102
DI 10.1063/1.3576911
PG 17
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 756YF
UT WOS:000290050000030
ER
PT J
AU Field, RV
Edwards, TS
Rouse, JW
AF Field, R. V., Jr.
Edwards, T. S.
Rouse, J. W.
TI Modeling of atmospheric temperature fluctuations by translations of
oscillatory random processes with application to spacecraft atmospheric
re-entry
SO PROBABILISTIC ENGINEERING MECHANICS
LA English
DT Article
DE Atmospheric modeling; Atmospheric re-entry; Oscillatory processes;
Random vibration; Translation processes; Temperature fluctuations
ID PROBABILITY DENSITY-FUNCTIONS; STABLY STRATIFIED ATMOSPHERE; FIELD;
LAYER; WIND
AB The presence of random fluctuations of air temperature within the Earth's atmosphere is a well-documented phenomenon. During the past seventy years there have been numerous experimental efforts to accurately measure air temperature as a function of altitude and, through careful data analysis, provide statistics describing these fluctuations and the associated fluctuations in temperature gradients. In addition, several researchers suggest the presence of atmospheric layers or "sheets" where the statistics describing fluctuations in air temperature can vary significantly from layer to layer. Herein, we propose a model to represent fluctuations of air temperature within a layered atmosphere. The model is a special type of inhomogeneous non-Gaussian differentiable random process and can be calibrated to available data on the marginal statistics and spectral content of the fluctuating temperature field, as well as the associated first derivative of the process representing fluctuations in temperature gradients. Properties of the proposed model are presented, and statistical realizations of the fluctuating temperature field and its gradient are computed and presented for illustration. The random vibration response of a spacecraft falling to Earth through these fluctuating conditions is then considered to demonstrate the usefulness of the proposed model. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Field, R. V., Jr.; Edwards, T. S.; Rouse, J. W.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Field, RV (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM rvfield@sandia.gov; tsedwar@sandia.gov; jwrouse@sandia.gov
RI Field, Richard/K-6468-2013
OI Field, Richard/0000-0002-2765-7032
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 28
TC 1
Z9 1
U1 0
U2 3
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0266-8920
J9 PROBABILIST ENG MECH
JI Probab. Eng. Eng. Mech.
PD APR
PY 2011
VL 26
IS 2
BP 231
EP 239
DI 10.1016/j.probengmech.2010.07.005
PG 9
WC Engineering, Mechanical; Mechanics; Statistics & Probability
SC Engineering; Mechanics; Mathematics
GA 754BI
UT WOS:000289825700014
ER
PT J
AU Souers, PC
Druce, RL
Roeske, F
Vitello, P
May, C
AF Souers, P. Clark
Druce, Robert L.
Roeske, Franklin, Jr.
Vitello, Peter
May, Chadd
TI A Complete Detonator, Booster, and Main Charge Study of LX-07/PBX 9502
SO PROPELLANTS EXPLOSIVES PYROTECHNICS
LA English
DT Article
DE Breakout Time; Booster; Detonator; Fabry-Perot Interferometry; Spike
Pressure
ID CHAPMAN-JOUGUET PRESSURE
AB A complete study of an exploding bridgewire detonator (EBW), an LX-07 hemispherical booster and a PBX 9502 outer shell are described. Breakout times from all three are listed in terms of first impact on the booster, i.e., code times. Lucite windows are also used to obtain particle velocities at the edges of each explosive, and these are converted into explosive pressures. The key to modeling is the use of the profile of the aluminum detonator can as it impacts the booster, i.e., we need to know the curvature of the end of the booster can. Modeling even with coarse zoning shows that (i) using reactive flow in the booster is better than programmed burn, (ii) creating the flyer curvature helps, and (iii) creating the time differences of flyer impact helps even more.
C1 [Souers, P. Clark; Druce, Robert L.; Roeske, Franklin, Jr.; Vitello, Peter; May, Chadd] Lawrence Livermore Natl Lab, Energet Mat Ctr, Livermore, CA 94550 USA.
RP Souers, PC (reprint author), Lawrence Livermore Natl Lab, Energet Mat Ctr, Livermore, CA 94550 USA.
EM souers1@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 7
TC 0
Z9 0
U1 2
U2 6
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA POSTFACH 101161, 69451 WEINHEIM, GERMANY
SN 0721-3115
EI 1521-4087
J9 PROPELL EXPLOS PYROT
JI Propellants Explos. Pyrotech.
PD APR
PY 2011
VL 36
IS 2
BP 119
EP 124
DI 10.1002/prep.201000074
PG 6
WC Chemistry, Applied; Engineering, Chemical
SC Chemistry; Engineering
GA 757YH
UT WOS:000290124100004
ER
PT J
AU Maiti, A
Gee, RH
AF Maiti, Amitesh
Gee, Richard H.
TI PETN Coarsening - Predictions from Accelerated Aging Data
SO PROPELLANTS EXPLOSIVES PYROTECHNICS
LA English
DT Article
DE PETN; Coarsening
ID PENTAERYTHRITOL TETRANITRATE; SURFACE
AB Ensuring good ignition properties over long periods of time necessitates maintaining a good level of flow porosity in powders of initiator materials and preventing particle coarsening. To simulate flow porosity changes of such powder materials over long periods of time a common strategy is to perform accelerated aging experiments over shorter time spans at elevated temperatures. In this paper, we examine historical accelerated-aging data on powders of pentaerythritol tetranitrate, an important energetic material, and make predictions for long-term aging under ambient conditions. We develop an evaporation-condensation-based model to provide some mechanistic understanding of the coarsening process.
C1 [Maiti, Amitesh; Gee, Richard H.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Maiti, A (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM amaiti@llnl.gov
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX The authors would like to sincerely thank Arnie Duncan and Melissa Moore
of the Applied Technology division of BWXT Pantex. 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 25
TC 7
Z9 7
U1 2
U2 6
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0721-3115
J9 PROPELL EXPLOS PYROT
JI Propellants Explos. Pyrotech.
PD APR
PY 2011
VL 36
IS 2
BP 125
EP 130
DI 10.1002/prep.201000106
PG 6
WC Chemistry, Applied; Engineering, Chemical
SC Chemistry; Engineering
GA 757YH
UT WOS:000290124100005
ER
PT J
AU Samsing, J
Kim, AG
AF Samsing, Johan
Kim, Alex G.
TI Dithering Strategies and Point-Source Photometry
SO PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
LA English
DT Article
ID IMAGES
AB The accuracy in the photometry of a point source depends on the point-spread function (PSF), detector pixelization, and observing strategy. The PSF and pixel response describe the spatial blurring of the source, the pixel scale describes the spatial sampling of a single exposure, and the observing strategy determines the set of dithered exposures with pointing offsets from which the source flux is inferred. In a wide-field imaging survey, sources of interest are randomly distributed within the field of view and hence are centered randomly within a pixel. A given hardware configuration and observing strategy therefore have a distribution of photometric uncertainty for sources of fixed flux that fall in the field. In this article we explore the ensemble behavior of photometric and position accuracies for different PSFs, pixel scales, and dithering patterns. We find that the average uncertainty in the flux determination depends slightly on dither strategy, whereas the position determination can be strongly dependent on the dithering. For cases with pixels much larger than the PSF, the uncertainty distributions can be non-Gaussian, with rms values that are particularly sensitive to the dither strategy. We also find that for these configurations with large pixels, pointings dithered by a fractional pixel amount do not always give minimal average uncertainties; this is in contrast to image reconstruction for which fractional dithers are optimal. When fractional pixel dithering is favored, a pointing accuracy of better than similar to 0.15 pixel width is required to maintain half the advantage over random dithers.
C1 [Samsing, Johan] Niels Bohr Inst, Dark Cosmol Ctr, DK-2100 Copenhagen, Denmark.
[Kim, Alex G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA.
RP Samsing, J (reprint author), Niels Bohr Inst, Dark Cosmol Ctr, Blegdamsvej 17, DK-2100 Copenhagen, Denmark.
FU Office of Science, Office of High Energy Physics, of the US Department
of Energy [DE-AC02-05CH11231]; OTICON Fund; Dark Cosmology Centre;
Berkeley Center for Cosmological Physics; Danish National Research
Foundation
FX A. G. K. was supported by the Director, Office of Science, Office of
High Energy Physics, of the US Department of Energy under contract no.
DE-AC02-05CH11231. J. S. acknowledges support from the OTICON Fund and
Dark Cosmology Centre, and he thanks the Berkeley Center for
Cosmological Physics and Berkeley Lab for hospitality during his stay.
The Dark Cosmology Centre is funded by the Danish National Research
Foundation.
NR 5
TC 0
Z9 0
U1 0
U2 0
PU UNIV CHICAGO PRESS
PI CHICAGO
PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA
SN 0004-6280
J9 PUBL ASTRON SOC PAC
JI Publ. Astron. Soc. Pac.
PD APR
PY 2011
VL 123
IS 902
BP 470
EP 480
PG 11
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 757YM
UT WOS:000290124900008
ER
PT J
AU Chang, I
Kwon, TH
Cho, GC
AF Chang, Ilhan
Kwon, Tae-Hyuk
Cho, Gye-Chun
TI An experimental procedure for evaluating the consolidation state of
marine clay deposits using shear wave velocity
SO SMART STRUCTURES AND SYSTEMS
LA English
DT Article
DE bender element; consolidation state; effective stress; marine clay;
shear wave velocity; under-consolidation
ID BENDER ELEMENTS
AB In marine clay deposits, naturally formed or artificially reclaimed, the evaluation and monitoring of the consolidation process has been a critical issue in civil engineering practices due to the time frame required for completing the consolidation process, which range from several days to several years. While complementing the conventional iconographic method suggested by Casagrande and recently developed in-situ techniques that measure the shear wave, this study suggests an alternative experimental procedure that can be used to evaluate the consolidation state of marine clay deposits using the shear wave velocity. A laboratory consolidation testing apparatus was implemented with bimorph-type piezoelectric bender elements to determine the effective stress-shear wave velocity (sigma'-V-s) relationship with the marine clays of interest. The in-situ consolidation state was then evaluated by comparing the in-situ shear wave velocity data with the effective stress-shear wave velocity relationships obtained from laboratory experiments. The suggested methodology was applied and verified at three different sites in South Korea, i.e., a foreshore site in Incheon, a submarine deposit in Busan, and an estuary delta deposit in Busan. It is found that the shear wave-based experimental procedure presented in this paper can be effectively and reliably used to evaluate the consolidation state of marine clay deposits.
C1 [Chang, Ilhan; Cho, Gye-Chun] Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, Taejon 305701, South Korea.
[Kwon, Tae-Hyuk] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Cho, GC (reprint author), Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, 291 Daehak No, Taejon 305701, South Korea.
EM gyechun@kaist.edu
RI Cho, Gye-Chun/C-1600-2011; Kwon, Tae-Hyuk/F-2183-2013; Chang,
Ilhan/O-9076-2014
OI Chang, Ilhan/0000-0001-8369-0606
FU Korea government (MEST) [R11-2002-101-04005-0]
FX This work was supported by the National Research Foundation of Korea
(NRF) grant funded by the Korea government (MEST) (No.
R11-2002-101-04005-0).
NR 25
TC 0
Z9 0
U1 0
U2 6
PU TECHNO-PRESS
PI DAEJEON
PA PO BOX 33, YUSEONG, DAEJEON 305-600, SOUTH KOREA
SN 1738-1584
J9 SMART STRUCT SYST
JI Smart. Struct. Syst.
PD APR
PY 2011
VL 7
IS 4
SI SI
BP 289
EP 302
PG 14
WC Engineering, Civil; Engineering, Mechanical; Instruments &
Instrumentation
SC Engineering; Instruments & Instrumentation
GA 755KF
UT WOS:000289928400004
ER
PT J
AU Simpson, ML
Cummings, PT
AF Simpson, Michael L.
Cummings, Peter T.
TI Fluctuations and Correlations in Physical and Biological Nanosystems:
The Tale Is in the Tails
SO ACS NANO
LA English
DT Article
ID STOCHASTIC GENE-EXPRESSION; SACCHAROMYCES-CEREVISIAE; PROTEIN
EXPRESSION; GLOBAL ANALYSIS; SINGLE-CELL; NOISE; MEMBRANES; HIV-1;
YEAST; INDIVIDUALITY
AB The inherently small system sizes Involved imply that, in the absence of large applied fields designed to overwhelm them, fluctuations will play a major role in determining the response and functionality of nanoscale systems. Theoretical advances over the past two decades have provided fresh insight into fluctuations and their role at the nanoscale, even in the presence of arbitrarily large applied external fields. In contrast to traditional engineered systems, Nature's approach to nanotechnology is to embrace and to exploit fluctuations and noise to create adaptable, persistent, optimized functional architectures. We describe some of the mechanisms by which Nature exploits noise, with the goal of applying these lessons to engineered physical and chemical nanosystems. In particular, we emphasize the critical role of the tails of distributions of properties In both physical and biological nanosystems and their impact On system behavior.
C1 [Simpson, Michael L.; Cummings, Peter T.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Simpson, Michael L.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Cummings, Peter T.] Vanderbilt Univ, Dept Chem & Biomol Engn, Nashville, TN 37235 USA.
RP Simpson, ML (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
EM simpsonml1@ornl.gov; peter.cummings@vanderbilt.edu
RI Simpson, Michael/A-8410-2011; Cummings, Peter/B-8762-2013
OI Simpson, Michael/0000-0002-3933-3457; Cummings,
Peter/0000-0002-9766-2216
FU Scientific User Facilities Division, Office of Basic Energy Sciences,
Office of Science, Department of Energy
FX The authors acknowledge the support of this research, conducted in the
Center for Nanophase Materials Sciences (CNMS) at Oak Ridge National
Laboratory, by the Scientific User Facilities Division, Office of Basic
Energy Sciences, Office of Science, Department of Energy. We also
acknowledge our numerous conversations and collaborations with
colleagues both within and outside the CNMS: Pat Collier, Chris Cox, Roy
Dar, Mitch Doktycz, Denis Evans, Jason Fowlkes, Scott T. Retterer, Bobby
Sumpter, Leor Weinberger, and Xioaguang Zhang.
NR 44
TC 6
Z9 6
U1 1
U2 15
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2425
EP 2432
DI 10.1021/nn201011m
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100003
PM 21456547
ER
PT J
AU Stadler, AL
Sun, DZ
Maye, MM
van der Lelie, D
Gang, O
AF Stadler, Andrea L.
Sun, Dazhi
Maye, Mathew M.
van der Lelie, Daniel
Gang, Oleg
TI Site-Selective Binding of Nanoparticles to Double-Stranded DNA via
Peptide Nucleic Acid "Invasion"
SO ACS NANO
LA English
DT Article
DE gold nanoparticles; peptide nucleic acid; double-stranded DNA;
nanoparticle assembly
ID DUPLEX DNA; GOLD NANOPARTICLES; CRYSTALLIZATION; BEHAVIOR; ARRAYS; PNAS;
KINETICS; SURFACE
AB We demonstrate a novel method for by-design placement of nano-objects along double-stranded (ds) DNA. A molecular intercalator, designed as a peptide nucleic acid (PNA)-DNA chimera, is able to invade dsDNA at the PNA-side due to the hybridization specificity between PNA and one of the duplex strands. At the same time, the single-stranded (ss) DNA tail of the chimera, allows for anchoring of nano-objects that have been functionalized with complementary ssDNA. The developed method is applied for interparticle attachment and for the fabrication of particle clusters using a dsDNA template. This method significantly broadens the molecular toolbox for constructing nanoscale systems by including the most conventional not yet utilized DNA motif, double helix DNA.
C1 [Sun, Dazhi; Gang, Oleg] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Stadler, Andrea L.; van der Lelie, Daniel] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
[Maye, Mathew M.] Syracuse Univ, Dept Chem, Syracuse, NY 13244 USA.
RP Gang, O (reprint author), Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
EM ogang@bnl.gov
RI Sun, Dazhi /H-3625-2011; Sun, Dazhi/F-5144-2013
OI Sun, Dazhi/0000-0001-7553-3141
FU U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and
Engineering Division; U.S. Department of Energy, Office of Basic Energy
Sciences [DE-AC02-98CH10886]
FX Research was supported by the U.S. Department of Energy, Basic Energy
Sciences, Materials Sciences and Engineering Division. Research was
carried 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. We thank
C. Chi for nanoparticle synthesis.
NR 32
TC 9
Z9 9
U1 2
U2 39
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2467
EP 2474
DI 10.1021/nn101355n
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100008
PM 21388119
ER
PT J
AU Lin, ZB
Franceschetti, A
Lusk, MT
AF Lin, Zhibin
Franceschetti, Alberto
Lusk, Mark T.
TI Size Dependence of the Multiple Exciton Generation Rate in CdSe Quantum
Dots
SO ACS NANO
LA English
DT Article
DE multiple exciton generation; carrier multiplication; CdSe nanocrystal
quantum dots; photovoltaic; pseudopotential method; Fermi's golden rule
ID EFFICIENCY CARRIER MULTIPLICATION; SEMICONDUCTOR NANOCRYSTALS;
1ST-PRINCIPLES CALCULATIONS; MULTIEXCITON GENERATION; COLLOIDAL PBSE;
SPECTROSCOPY; CLUSTERS; BEHAVIOR; SILICON; FILMS
AB The multiplication rates of hot carriers in CdSe quantum dots are quantified using an atomistic pseudopotential approach and first-order perturbation theory. We consider both the case of an individual carrier (electron or hole) decaying into a trion and the case of an electron-hole pair decaying into a biexciton. The dependence on quantum dot volume of multiplication rate, density of final states, and effective Coulomb Interaction are determined. We show that the multiplication rate of a photogenerated electron-hole pair decreases with dot size for a given absolute photon energy. However, If the photon energy is rescaled by the volume-dependent optical gap, then smaller dots exhibit an enhancement in carrier multiplication rate for a given relative photon energy. We find that holes have much higher multiplication rates than electrons of the same excess energy due to the larger density of final states (positive trions). When electron-hole pairs are generated by photon absorption, however, the net carrier multiplication rate Is dominated by elections because they have much higher excess energy on average. We also find, contrary to earlier studies, that the effective Coulomb coupling governing carrier multiplication is energy-dependent.
C1 [Lin, Zhibin; Lusk, Mark T.] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA.
[Lin, Zhibin; Franceschetti, Alberto] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Lin, ZB (reprint author), Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA.
EM zlin@mines.edu; alberto.franceschetti@nrel.gov; mlusk@mines.edu
RI lin, zhibin/F-1299-2010
FU Renewable Energy Materials Research Science and Engineering Center (NSF)
[DMR-0820518]; National Renewable Energy Laboratory (NREL); NSF
[CNS-0722415]
FX We are grateful to A. Nozik and M. Beard for useful discussions
concerning MEG efficiency. This work was supported by the Renewable
Energy Materials Research Science and Engineering Center (NSF Grant No.
DMR-0820518) at the Colorado School of Mines and the National Renewable
Energy Laboratory (NREL). The calculations were carried out using the
high performance computing resources provided by the Golden Energy
Computing Organization at the Colorado School of Mines (NSF Grant No.
CNS-0722415).
NR 47
TC 36
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U1 1
U2 40
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2503
EP 2511
DI 10.1021/nn200141f
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100012
PM 21355556
ER
PT J
AU Fleischer, M
Weber-Bargioni, A
Altoe, MVP
Schwartzberg, AM
Schuck, PJ
Cabrini, S
Kern, DP
AF Fleischer, Monika
Weber-Bargioni, Alexander
Altoe, M. Virginia P.
Schwartzberg, Adam M.
Schuck, P. James
Cabrini, Stefano
Kern, Dieter P.
TI Gold Nanocone Near-Field Scanning Optical Microscopy Probes
SO ACS NANO
LA English
DT Article
DE near-field scanning optical microscopy; nanostructures; gold nanocones;
electron beam induced deposition; ion milling; near-field enhancement;
tip-enhanced Raman spectroscopy
ID ENHANCED RAMAN-SPECTROSCOPY; FOCUSED ELECTRON-BEAM; WALL CARBON
NANOTUBES; LIGHT-SCATTERING; NANOPARTICLE; NANOSTRUCTURES; FABRICATION;
DEPOSITION; RESOLUTION; RESONANCE
AB Near-field scanning optical microscopy enables the simultaneous topographical and, subdiffraction limited optical imaging of surfaces. A process is presented for the implementation of single individually engineered gold cones at the tips of atomic force microscopy cantilevers. These cantilevers act as novel high-performance optical near-field probes. In the fabrication, thin-film metallization, electron beam induced deposition of etch masks, and Ar ion milling are combined. The cone constitutes a well-defined highly efficient optical antenna with a tip radius on the order of 10 nm and an adjustable plasmon resonance frequency. The sharp tip enables high resolution, topographical imaging. By controllably varying the cone size, the resonance frequency can be adapted to the application of choice. Structural properties of these sharp-tipped probes are presented together with topographical images recorded with a cone probe. The antenna functionality is demonstrated by gathering the near field enhanced Raman signature of individual carbon nanotubes with a gold cone scanning probe.:
C1 [Fleischer, Monika; Kern, Dieter P.] Univ Tubingen, Inst Appl Phys, D-72076 Tubingen, Germany.
[Weber-Bargioni, Alexander; Altoe, M. Virginia P.; Schwartzberg, Adam M.; Schuck, P. James; Cabrini, Stefano] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Fleischer, M (reprint author), Univ Tubingen, Inst Appl Phys, Morgenstelle 10, D-72076 Tubingen, Germany.
EM monika.fleischer@uni-tuebingen.de
FU European Social Fund; Ministry Of Science, Research; Arts
Baden-Wurttemberg; Baden-Wurtternberg-Stiftung; Tubingen University;
Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy [DE-AC02-05CH11231]
FX D. Ghosh, A. Ismach, and S. Dhuey are gratefully acknowledged for
providing the CdS nanorod, carbon nanotube, and structured PMMA samples.
The authors thank F. Ogletree, P. Ashby, and D. Olynick for valuable
discussions. This project is supported by the European Social Fund and
by the Ministry Of Science, Research and the Arts Baden-Wurttemberg.
M.F. gratefully acknowledges financial support by the
Baden-Wurtternberg-Stiftung and by Projektforderung fur
NachwuchswissenschaftlerInnen from Tubingen University. Work at the
Molecular Foundry was performed under User Proposal No. 550 and
supported by the Office of Science, Office of Basic Energy Sciences, of
the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
NR 56
TC 43
Z9 43
U1 7
U2 67
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2570
EP 2579
DI 10.1021/nn102199u
PG 10
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100018
PM 21401116
ER
PT J
AU Crochet, JJ
Sau, JD
Duque, JG
Doorn, SK
Cohen, ML
AF Crochet, Jared J.
Sau, Jay D.
Duque, Juan G.
Doorn, Stephen K.
Cohen, Marvin L.
TI Electrodynamic and Excitonic Intertube Interactions in Semiconducting
Carbon Nanotube Aggregates
SO ACS NANO
LA English
DT Article
DE carbon nanotube bundles; exciton; delocalization; diffusion;
spectroscopy; coherence; tunneling
ID ENERGY-TRANSFER; PHOTOLUMINESCENCE; RESONANCES
AB The optical properties, of selectively aggregated, nearly single chirality single-wall carbon nanotubes were investigated by both continuous-wave and time spectroscopies. With reduced sample heterogeneities; we have resolved;aggregation-dependent reductions of the excitation energy of the Si exciton and enhanced electron-hole pair absorption. Photoluminescence, spectra revealed a spectral splitting of S(1) and simultaneous reductions of the emission efficiencies and nonradiative decay rates. The observed strong deviations from isolated tube behavior are accounted for by enhanced screening of the intratube Coulomb interactions, intertube exciton tunneling, and diffusion-driven exciton quenching. We also provide evidence that density gradient ultracentrifugation can be used to structurally sort single-wall carbon nanotubes by aggregate size as evident by a monotonic dependence of the aforementioned optical properties on buoyant density.
C1 [Crochet, Jared J.; Duque, Juan G.; Doorn, Stephen K.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
[Sau, Jay D.] Univ Maryland, Condensed Matter Theory Ctr, College Pk, MD 20742 USA.
[Sau, Jay D.] Univ Maryland, Joint Quantum Inst, College Pk, MD 20742 USA.
[Duque, Juan G.] Los Alamos Natl Lab, Div Chem, Phys Chem & Appl Spect Grp, Los Alamos, NM 87545 USA.
[Cohen, Marvin L.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Cohen, Marvin L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Crochet, JJ (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, POB 1663, Los Alamos, NM 87545 USA.
EM jcrochet@lanl.gov
RI Duque, Juan/G-2657-2010; Crochet, Jared/C-8488-2011;
OI Crochet, Jared/0000-0002-9570-2173
FU NSF [DMR07-05941]; Office of Science, Basic Energy Sciences, Materials
Sciences and Engineering Division of the U.S. Department of Energy
[DE-AC02-05CH11231]; LANL-LDRD; U.S. Department of Energy
[DE-AC52-06NA25396]
FX J.C. thanks Tobias Hertel for generous support as well as Timo Hefner
and Dominik G. Stich for technical assistance. J.S. thanks JQI-NSF-PFC,
DARPA-QUEST, and LPS-NSA. M.L.C. acknowledges the NSF Grant DMR07-05941
and Director, Office of Science, Basic Energy Sciences, Materials
Sciences and Engineering Division of the U.S. Department of Energy under
Contract No. DE-AC02-05CH11231. This work was performed, in part, at the
Center for Integrated Nanotechnologies, a U.S. Department of Energy,
Office cif Basic Energy Sciences user facility and partially supported
by LANL-LDRD program. 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
DE-AC52-06NA25396.
NR 40
TC 29
Z9 29
U1 0
U2 27
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2611
EP 2618
DI 10.1021/nn200427r
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100023
PM 21391554
ER
PT J
AU Kim, JY
Noh, JH
Zhu, K
Halverson, AF
Neale, NR
Park, S
Hong, KS
Frank, AJ
AF Kim, Jin Young
Noh, Jun Hong
Zhu, Kai
Halverson, Adam F.
Neale, Nathan R.
Park, Sangbaek
Hong, Kug Sun
Frank, Arthur J.
TI General Strategy for Fabricating Transparent TiO2 Nanotube Arrays for
Dye-Sensitized Photoelectrodes: Illumination Geometry and Transport
Properties
SO ACS NANO
LA English
DT Article
DE transparent; TiO2 nanotube; anodization; Nb-doped TiO2; dye-sensitized
solar cells; illumination geometry; charge transport
ID SOLAR-CELLS; TITANIUM-DIOXIDE; CONDUCTING OXIDE; HIGH-EFFICIENCY;
THIN-FILMS; DOPED TIO2; GROWTH; RECOMBINATION; ANODIZATION; PERFORMANCE
AB We report on the preparation of transparent oriented Mania nanotube (NT) photoelectrodes and the effect of illumination direction on light harvesting, electron transport, and recombination in dye-sensitized solar cells (DSSCs) Incorporating these electrodes. High solar conversion efficiency requires that the incident light enters the cell from the photoelectrode side. However, it has been synthetically challenging to prepare transparent TiO2 NT electrodes by directly anodizing Ti metal films on transparent conducting oxide (TCO) substrates because of the difficulties of controlling the synthetic conditions. We describe a general synthetic strategy for fabricating transparent TiO2 NT films on TCO substrates. With the aid of a conducting Nb-doped TiO2 (NTO) layer between the Ti film and TCO substrate, the Ti film was anodized completely without degrading the TCO. The NTO layer was found to protect the TCO from degradation through a self-terminating mechanism by arresting the electric field-assisted dissolution process at the NT-NTO interface. The illumination direction and wavelength of the light incident on the DSSCs were shown to strongly influence the incident photon-to-current conversion efficiency, light-harvesting, and charge-collection properties, which, in turn, affect the photocurrent density, photovoltage, and solar. energy conversion efficiency. Effects of NT,film thickness on the properties and performance of DSSCs were also examined. Illuminating the cell from the photoelectrode substantially increased the conversion efficiency compared with illuminating it from the counter-electrode side.
C1 [Kim, Jin Young; Zhu, Kai; Halverson, Adam F.; Neale, Nathan R.; Frank, Arthur J.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Noh, Jun Hong; Park, Sangbaek; Hong, Kug Sun] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea.
RP Frank, AJ (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM Arthur.Frank@nrel.gov
RI Kim, Jin Young/B-7077-2012; Park, Sangbaek/M-6015-2013
OI Kim, Jin Young/0000-0001-7728-3182; Park, Sangbaek/0000-0002-4900-2010
FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences; Division of Photovoltaics, Office of Utility
Technologies, U.S. Department of Energy [DE-AC36-08GO28308]
FX This work was supported by the Division of Chemical Sciences,
Geosciences, and Biosciences, Office of Basic Energy Sciences (A.F.H.,
A.J.F.), and the Division of Photovoltaics, Office of Utility
Technologies, (J.Y.K., K Z., N.R.N.), U.S. Department of Energy, under
contract no. DE-AC36-08GO28308.
NR 50
TC 76
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U1 2
U2 70
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 APR
PY 2011
VL 5
IS 4
BP 2647
EP 2656
DI 10.1021/nn200440u
PG 10
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100027
PM 21395234
ER
PT J
AU Kim, TH
Lee, BY
Jaworski, J
Yokoyama, K
Chung, WJ
Wang, E
Hong, S
Majumdar, A
Lee, SW
AF Kim, Tae Hun
Lee, Byung Yang
Jaworski, Justyn
Yokoyama, Keisuke
Chung, Woo-Jae
Wang, Eddie
Hong, Seunghun
Majumdar, Arun
Lee, Seung-Wuk
TI Selective and Sensitive TNT Sensors Using Biomimetic
Polydiacetylene-Coated CNT-FETs
SO ACS NANO
LA English
DT Article
DE lipid membrane receptor; polydiacetylene; trinitrotoluene; carbon
nanotube; TNT sensor
ID EXPLOSIVES; NANOTUBES; COMPOSITE; POLYMERS; VESICLES
AB Miniaturized smart sensors that can perform sensitive and selective real-time monitoring of target analytes are tremendously valuable for various sensing applications. We developed selective nanocoatings by combining trinitrotoluene (TNT) receptors bound to conjugated polydiacetylene (PDA) polymers with single-walled carbon nanotube field-effect transistors (SWNT-FET). Selective binding events between the TNT molecules and phage display derived TNT receptors were effectively transduced to sensitive SWNT-FET conductance sensors through the PDA coating layers. The resulting sensors exhibited an unprecedented 1 fM sensitivity toward TNT in real time, with excellent selectivity over various similar aromatic compounds. Our biomimetic receptor coating approach may be useful for the development of sensitive and selective micro- and nanoelectronic sensor devices for various other target analytes.
C1 [Kim, Tae Hun; Lee, Byung Yang; Chung, Woo-Jae; Lee, Seung-Wuk] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Jaworski, Justyn; Wang, Eddie] Univ Calif Berkeley, Joint Grad Grp Bioengn, Berkeley, CA 94720 USA.
[Jaworski, Justyn; Wang, Eddie] Univ Calif San Francisco, San Francisco, CA 94720 USA.
[Yokoyama, Keisuke] NSK Ltd, Tokyo, Japan.
[Hong, Seunghun] Seoul Natl Univ, Dept Phys & Astron, Seoul 151747, South Korea.
[Majumdar, Arun] US DOE, ARPA E, Washington, DC 20585 USA.
[Lee, Seung-Wuk] Berkeley Nanosci & Nanoengn Inst, Berkeley, CA 94720 USA.
[Kim, Tae Hun; Lee, Byung Yang; Jaworski, Justyn; Chung, Woo-Jae; Wang, Eddie; Lee, Seung-Wuk] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Kim, Tae Hun] Soonchunhyang Univ, Dept Chem, Asan 336745, South Korea.
RP Lee, SW (reprint author), Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
EM leesw@berkeley.edu
RI Kim, Tae Hyun/C-8884-2009; Hong, Seunghun/B-2545-2012;
OI Kim, Tae Hyun/0000-0002-7122-8227; Lee, Byung Yang/0000-0003-0125-2501;
Wang, Eddie/0000-0002-9814-0102
FU National Science Foundation [ECCS-0731309]; Office of Naval Research;
Center of Integrated Nanomechanical Systems (COINS) of the National
Science Foundation [EEC-0832819]; Office of Basic Energy Sciences, U.S.
Department of Energy [DE-AC02-05CH11231]; Defense Acquisition Program
Administration and Agency in South Korea [ADD-10-70-06-0]; NRF
[2009-0079103, 2010-0005574]
FX This research was performed under the supports of the National Science
Foundation (EXP-SA: Award No, ECCS-0731309), the Office of Naval
Research, the Center of Integrated Nanomechanical Systems (COINS) of the
National Science Foundation (Grant No. EEC-0832819), and the Office of
Basic Energy Sciences, U.S. Department of Energy (Contract No.
DE-AC02-05CH11231). S.W.L. acknowledges the support from Defense
Acquisition Program Administration and Agency for Defense Development
under the contract (ADD-10-70-06-0) in South Korea. S.H. and T.H.K.
acknowledge the support from the NRF grants (No. 2009-0079103 and No.
2010-0005574),
NR 34
TC 63
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U1 11
U2 105
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2824
EP 2830
DI 10.1021/nn103324p
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100047
PM 21361351
ER
PT J
AU Yang, XD
Ishikawa, A
Yin, XB
Zhang, X
AF Yang, Xiaodong
Ishikawa, Atsushi
Yin, Xiaobo
Zhang, Xiang
TI Hybrid Photonic - Plasmonic Crystal Nanocavities
SO ACS NANO
LA English
DT Article
DE optical nanocavity; photonic crystal; surface plasmon polariton; hybrid
plasmonic mode
ID ENHANCEMENT; MICROCAVITY; LASERS; CAVITY; SERS
AB We propose a hybrid optical nanocavity consisting of photonic crystals coupled to a metal surface with a nanoscale air gap between. The hybridization of photonic crystal modes and, surface plasmons across the gap forms hybrid cavity modes, which are highly confined in the low-loss air gap region. Deep subwavelength mode volume and high quality factor are demonstrated at telecommunication wavelength, resulting in an extremely large Q/V-m ratio of 60 000 lambda(-3): This new type of high-Q/V-m, broad-band hybrid nanocavity opens up opportunities for various applications in enhanced light-matter interactions.
C1 [Yang, Xiaodong; Yin, Xiaobo; Zhang, Xiang] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Yang, Xiaodong; Ishikawa, Atsushi; Yin, Xiaobo; Zhang, Xiang] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr, Berkeley, CA 94720 USA.
RP Zhang, X (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM xiang@berkeley.edu
RI Yin, Xiaobo/A-4142-2011; Zhang, Xiang/F-6905-2011; Ishikawa,
Atsushi/J-3649-2015
OI Ishikawa, Atsushi/0000-0003-1473-6281
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the U.S. Department of Energy under Contract
No. DE-AC02-05CH11231.
NR 36
TC 55
Z9 57
U1 11
U2 105
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 APR
PY 2011
VL 5
IS 4
BP 2831
EP 2838
DI 10.1021/nn1033482
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100048
PM 21384850
ER
PT J
AU Forrey, C
Yager, KG
Broadaway, SP
AF Forrey, Christopher
Yager, Kevin G.
Broadaway, Samuel P.
TI Molecular Dynamics Study of the Role of the Free Surface on Block
Copolymer Thin Film Morphology and Alignment
SO ACS NANO
LA English
DT Article
DE block copolymer; thin film morphology; lamellar alignment; molecular
dynamics (MD); simulation
ID SYMMETRIC DIBLOCK COPOLYMERS; MONTE-CARLO SIMULATIONS; DRUG-RELEASE;
PHOTONIC GELS; ORIENTATION; COATINGS; TEMPERATURE; MEMBRANES; KINETICS
AB Next-generation applications of block copolymer thin films will require a better understanding of the driving forces unique to thin film coatings, specifically time arising from the polymer-air Interface. Previous modeling studies of film morphology have treated rigidly confined films, neglecting free surface considerations altogether. We report in this article the first systematic molecular dynamics investigation of block copolymer thin film ordering for unconfined films. We investigate the molecular basis of the formation of a number of experimentally relevant coating features, including surface islands and vertical lamellae.. Surface islands are found to form in response to film incommensurability, whereas commensurability considerations are insufficient to explain vertical lamellar formation. Dynamics of lamellar formation presented herein demonstrate that vertical lamellar orientation Is' Initiated In the surface regions of the film, most strikingly at the free surface. We conclude that the free surface plays a pivotal role In the free energy balance determining overall film morphology, and that confinement models provide an incomplete explanation of the physical basis of morphology selection In block copolymer coatings.
C1 [Forrey, Christopher] US FDA, Ctr Devices & Radiol Hlth, Rockville, MD 20857 USA.
[Yager, Kevin G.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Broadaway, Samuel P.] Wesleyan Univ, Dept Math & Comp Sci, Middletown, CT 06459 USA.
RP Forrey, C (reprint author), US FDA, Ctr Devices & Radiol Hlth, Rockville, MD 20857 USA.
EM christopher.forrey@fda.hhs.gov
RI Yager, Kevin/F-9804-2011
OI Yager, Kevin/0000-0001-7745-2513
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-98CH10886]
FX We thank the Division of Electrical and Software Engineering (FDA) for
use of the high performance computing facilities and the Division of
Imaging and Applied Mathematics (FDA) for computational time. We also
thank A. Bosse (NIST) and D. Saylor (FDA) for providing insightful
comments. 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.
NR 36
TC 16
Z9 16
U1 1
U2 34
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 2895
EP 2907
DI 10.1021/nn103502a
PG 13
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100055
PM 21395316
ER
PT J
AU Tian, P
Zhang, YH
Senevirathne, K
Brock, SL
Dixit, A
Lawes, G
Billinge, SJL
AF Tian, Peng
Zhang, Yanhua
Senevirathne, Keerthi
Brock, Stephanie L.
Dixit, Ambesh
Lawes, Gavin
Billinge, Simon J. L.
TI Diverse Structural and Magnetic Properties of Differently Prepared MnAs
Nanoparticles
SO ACS NANO
LA English
DT Article
DE MnAs; structure; magnetic; PDF; nanoparticle
ID PAIR DISTRIBUTION FUNCTION; POWDER DIFFRACTION; DETECTOR
AB Discrete nanoparticles of MnAs with distinct magnetostructural properties have been prepared by small modifications of solution-phase arrested precipitation reactions. Rietveld and X-ray atomic pair distribution function based approaches were used to explore the evolution of the structure of the samples with temperature, and these data were compared to the magnetic response measured with ac susceptibility. Relative to, a, bulk standard, one type of MnAs nanoparticles was found to demonstrate similar but smaller Structural transitions and corresponding magnetic changes. However, both magnetic and structural transitions In the second type of nanoparticles are strongly suppressed.
C1 [Zhang, Yanhua; Senevirathne, Keerthi; Brock, Stephanie L.] Wayne State Univ, Dept Chem, Detroit, MI 48202 USA.
[Tian, Peng] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Dixit, Ambesh; Lawes, Gavin] Wayne State Univ, Dept Phys, Detroit, MI 48201 USA.
[Billinge, Simon J. L.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
[Billinge, Simon J. L.] Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA.
RP Brock, SL (reprint author), Wayne State Univ, Dept Chem, Detroit, MI 48202 USA.
EM sbrock@chem.wayne.edu; sb2896@columbia.edu
RI Dixit, Ambesh/E-4499-2010;
OI Brock, Stephanie/0000-0002-0439-302X; Zhang, Yanhua/0000-0002-4477-7570
FU National Science Foundation (NSF) [DMR-0703940, DMR-0701161,
DMR-0644823]; DOE [DE-AC02-06CH11357]
FX We thank P. Juhas, C. Farrow, and E. Bozin for assistance with the
experimental setup and data collection. Work in the Billinge group was
supported by the National Science Foundation (NSF) through grant
DMR-0703940. Work in the Brock group was supported by NSF through grant
DMR-0701161. Work in the Lawes group was supported by the NSF through
grant DMR-0644823. The APS at Argonne National Laboratory is supported
under DOE contract No. DE-AC02-06CH11357.
NR 22
TC 8
Z9 9
U1 2
U2 16
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 APR
PY 2011
VL 5
IS 4
BP 2970
EP 2978
DI 10.1021/nn200020r
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100064
PM 21366350
ER
PT J
AU McKenna, KP
Koller, D
Sternig, A
Siedl, N
Govind, N
Sushko, PV
Diwald, O
AF McKenna, Keith P.
Koller, David
Sternig, Andreas
Siedl, Nicolas
Govind, Niranjan
Sushko, Peter V.
Diwald, Oliver
TI Optical Properties of Nanocrystal Interfaces in Compressed MgO
Nanopowders
SO ACS NANO
LA English
DT Article
DE nanocrystals; nanopowders; metal oxide; optical absorption;
first-principles calculations
ID SENSITIZED SOLAR-CELLS; SURFACE; ELECTRON; POWDERS; OXIDE; BOUNDARIES;
PARTICLES; NANOCUBES; ENERGIES; DYNAMICS
AB The optical properties and charge trapping phenomena observed on oxide nanocrystal ensembles can be strongly influenced by the presence of nanocrystal interfaces. MgO powders represent a convenient system to study these effects due to the well-defined shape and controllable size distributions of MgO nanocrystals. The spectroscopic properties of nanocrystal interfaces are investigated by monitoring the dependence of absorption characteristics on the concentration of the interfaces in the nanopowders. The presence of interfaces is found to affect the absorption spectra of nanopowders more significantly than changing the size of the constituent nanocrystals and, thus, leading to the variation of the relative abundance of light-absorbing surface structures. We find a strong absorption band in the 4.0-5.5 eV energy range, which was previously. attributed to surface features of individual nanocrystals, such as corners and edges. These findings are supported by complementary first principles calculations. The possibility to directly address such interfaces by tuning the energy of excitation may provide new means for functionalization and chemical activation of nanostructures and can help improve performance and reliability for many nanopowder applications.
C1 [McKenna, Keith P.] Tohoku Univ, WPI AIMR, Aoba Ku, Sendai, Miyagi 9808577, Japan.
[McKenna, Keith P.; Sushko, Peter V.] UCL, Dept Phys & Astron, London WC1E 6BT, England.
[Koller, David; Siedl, Nicolas; Diwald, Oliver] Vienna Univ Technol, Inst Mat Chem, A-1060 Vienna, Austria.
[Sternig, Andreas; Siedl, Nicolas; Diwald, Oliver] Univ Erlangen Nurnberg, D-91058 Erlangen, Germany.
[Govind, Niranjan] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP McKenna, KP (reprint author), Tohoku Univ, WPI AIMR, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan.
EM k.mckenna@ucl.ac.uk; o.diwald@lfg.uni-erlangen.de
RI Govind, Niranjan/D-1368-2011; McKenna, Keith/A-5084-2010; Sushko,
Peter/F-5171-2013;
OI Sushko, Peter/0000-0001-7338-4146; Diwald, Oliver/0000-0002-2425-5281
FU Fonds zur Forderung der Wissenschaftlichen Forschung (FWF) [P19848-N20];
MEXT KAKENHI [2274019]; Royal Society; JSPS; EMSL; Department of
Energy's Office of Biological and Environmental Research and located at
Pacific Northwest National Laboratory; EPSRC [EP/F067496]
FX The experimental part of this project has been financially supported by
Fonds zur Forderung der Wissenschaftlichen Forschung (FWF) P19848-N20,
which is gratefully acknowledged by D.K., A.S., N.S., and O.D. K.M.
acknowledges support from MEXT KAKENHI project number 2274019 and
helpful discussions with A. Shluger. P.V.S is supported by the Royal
Society and the JSPS First program. The TEM image in Figure 1b was
kindly provided by Dr. Johannes Bernardi (Vienna University of
Technology, USTEM). N.G. acknowledges support from the EMSL Intramural
Program. The embedded cluster calculations were performed using the
NWChem/Guess program on the Chinook supercomputer at 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. This work also made use of the facilities
of HECToR, the UK's national high-performance computing service, via our
membership in the UK's HPC Materials Chemistry Consortium, which is
funded by EPSRC (EP/F067496).
NR 33
TC 26
Z9 26
U1 2
U2 27
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 3003
EP 3009
DI 10.1021/nn200062d
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100068
PM 21443262
ER
PT J
AU Cao, D
Pang, P
He, J
Luo, T
Park, JH
Krstic, P
Nuckolls, C
Tang, JY
Lindsay, S
AF Cao, Di
Pang, Pei
He, Jin
Luo, Tao
Park, Jae Hyun
Krstic, Predrag
Nuckolls, Colin
Tang, Jinyao
Lindsay, Stuart
TI Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting
SO ACS NANO
LA English
DT Article
DE nanofluidics; nanopore; carbon nanotube; biosensor; nanoconfinement;
water in nanoscale channels
ID FET DEVICES; DNA; TRANSISTORS; TRANSPORT; TRANSLOCATION; CONDUCTIVITY;
MEMBRANES; CONTACTS; CHANNEL
AB We have constructed devices in which the interior of a single-walled carbon nanotube (SWCNT) field-effect transistor acts as a nanofluidic channel that connects two fluid reservoirs, permitting measurement of the electronic properties of the SWCNT as it Is wetted by an analyte. Wetting of the Inside of the SWCNT by water turns the transistor on, while wetting of the outside has little effect. These observations are consistent with theoretical simulations that show that internal water both generates a large dipole electric field, causing charge polarization of the tube and metal electrodes, and shifts the valence band of the SWCNT, while external water has little effect. This finding may provide a new method to investigate water behavior at nanoscale. This also opens a new avenue for building sensors in which the SWCNT simultaneously functions as a concentrator, nanopore, and extremely sensitive electronic detector, exploiting the enhanced sensitivity of the interior surface.
C1 [Cao, Di; Pang, Pei; He, Jin; Luo, Tao; Lindsay, Stuart] Arizona State Univ, Biodesign Inst, Tempe, AZ 85287 USA.
[Cao, Di; Pang, Pei; Luo, Tao; Lindsay, Stuart] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
[Lindsay, Stuart] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA.
[Park, Jae Hyun; Krstic, Predrag] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Nuckolls, Colin; Tang, Jinyao] Columbia Univ, Dept Chem, New York, NY 10027 USA.
RP Lindsay, S (reprint author), Arizona State Univ, Biodesign Inst, Tempe, AZ 85287 USA.
EM jinhe@asu.edu; stuart.lindsay@asu.edu
RI Tang, Jinyao/I-3851-2012
FU National Human Genome Research Institute [1RC2HG005625-01,
1R21HG004770-01]; Arizona Technology Enterprises; Biodesign Institute;
Office of Science of the U.S. Department of Energy [DE-AC05-00OR22725]
FX We thank H. Liu and W.S. Song for assistance in the lab. We also
acknowledge the use of nanofabrication facilities within the Center for
Solid State Science (CSSS) at Arizona State University. This work was
supported by the DNA Sequencing Technology Program of the National Human
Genome Research Institute (1RC2HG005625-01, 1R21HG004770-01), Arizona
Technology Enterprises and the Biodesign Institute. This research used
resources of the Oak Ridge Leadership 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-AC05-00OR22725.
NR 42
TC 13
Z9 13
U1 6
U2 38
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 APR
PY 2011
VL 5
IS 4
BP 3113
EP 3119
DI 10.1021/nn200251z
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100081
PM 21452854
ER
PT J
AU Zammarano, M
Maupin, PH
Sung, LP
Gilman, JW
McCarthy, ED
Kim, YS
Fox, DM
AF Zammarano, Mauro
Maupin, Paul H.
Sung, Li-Piin
Gilman, Jeffrey W.
McCarthy, Edward D.
Kim, Yeon S.
Fox, Douglas M.
TI Revealing the Interface in Polymer Nanocomposites
SO ACS NANO
LA English
DT Article
DE nanocomposite; interface; fluorescence; FRET; confocal microscopy
ID RESONANCE ENERGY-TRANSFER; TRANSMISSION ELECTRON-MICROSCOPY;
GLASS-TRANSITION TEMPERATURE; FLUORESCENCE MICROSCOPY; CELLULOSE;
DISPERSION; MONTMORILLONITE; FLAMMABILITY; EXFOLIATION; POLYSTYRENE
AB The morphological characterization of polymer nanocomposites over multiple length scales is a fundamental challenge. Here, we report a technique for high throughput monitoring of Interface and dispersion in polymer nanocomposites based on Forster resonance energy transfer (FRET). Nanofibrillated cellulose (NFC), fluorescently labeled with 5-(4,6-dichlorotriazinyl)-aminofluorescein (FL) and dispersed Into polyethylene (PE) doped with Coumarin 30 (C30), is used as a model system to assess the ability of FRET to evaluate the effect of processing on NFC dispersion in PE. The level of energy transfer and its standard deviation, measured by fluorescence spectroscopy and laser scanning confocal microscopy (LSCM), are exploited to monitor the extent of interface formation and composite homogeneity, respectively. FRET algorithms are used to generate color-coded images for a real-space observation of energy transfer efficiency. These images reveal Interface formation at a nanoscale while probing a macroscale area that is large enough to be representative of the entire sample. The unique ability of this technique to simultaneously provide orientation/spatial information at a macroscale and nanoscale features, encoded in the FRET signal, provides a new powerful tool for structure-property-processing investigation in polymer nanocomposites.
C1 [Zammarano, Mauro; Fox, Douglas M.] American Univ, Dept Chem, Washington, DC 20016 USA.
[Zammarano, Mauro; Sung, Li-Piin; Kim, Yeon S.] NIST, Engn Lab, Gaithersburg, MD 20899 USA.
[Zammarano, Mauro; Gilman, Jeffrey W.; McCarthy, Edward D.] NIST, Mat Measurement Lab, Gaithersburg, MD 20899 USA.
[Maupin, Paul H.] US DOE, Chem Sci Geosci & Biosci Div, Off Basic Energy Sci, Washington, DC 20585 USA.
RP Zammarano, M (reprint author), American Univ, Dept Chem, Washington, DC 20016 USA.
EM mzam@nist.gov
RI KIM, YEON SEOK/J-5864-2012;
OI Zammarano, Mauro/0000-0002-5145-7110
FU Air Force office of Scientific Research [F1ATA00236G002]; National
Institute of Standards and Technology
FX Financial support was provided by the National Institute of Standards
and Technology and the Air Force office of Scientific Research under
Award No. F1ATA00236G002.
NR 43
TC 27
Z9 28
U1 4
U2 61
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD APR
PY 2011
VL 5
IS 4
BP 3391
EP 3399
DI 10.1021/nn102951n
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 753CJ
UT WOS:000289742100115
PM 21410222
ER
PT J
AU Higashide, W
Li, YC
Yang, YF
Liao, JC
AF Higashide, Wendy
Li, Yongchao
Yang, Yunfeng
Liao, James C.
TI Metabolic Engineering of Clostridium cellulolyticum for Production of
Isobutanol from Cellulose
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID ESCHERICHIA-COLI; GENE; BIOETHANOL; ETHANOL; ELECTROTRANSFORMATION;
BIOSYNTHESIS; THERMOCELLUM; IMPROVEMENT; HYDROLYSIS; BIOBUTANOL
AB Producing biofuels directly from cellulose, known as consolidated bioprocessing, is believed to reduce costs substantially compared to a process in which cellulose degradation and fermentation to fuel are accomplished in separate steps. Here we present a metabolic engineering example for the development of a Clostridium cellulolyticum strain for isobutanol synthesis directly from cellulose. This strategy exploits the host's natural cellulolytic activity and the amino acid biosynthesis pathway and diverts its 2-keto acid intermediates toward alcohol synthesis. Specifically, we have demonstrated the first production of isobutanol to approximately 660 mg/liter from crystalline cellulose by using this microorganism.
C1 [Higashide, Wendy; Liao, James C.] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA.
[Higashide, Wendy; Li, Yongchao; Yang, Yunfeng; Liao, James C.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Liao, James C.] Univ Calif Los Angeles, Inst Genom & Prote, Los Angeles, CA 90095 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 Li, Yongchao/H-6321-2011; Yang, Yunfeng/H-9853-2013
OI Yang, Yunfeng/0000-0001-8274-6196
FU BioEnergy Science Center (BESC) at Oak Ridge National Laboratory, a
Department of Energy Bioenergy Research Center; UCLA-DOE Institute for
Genomics and Proteomics
FX This work was supported in part by the BioEnergy Science Center (BESC)
at Oak Ridge National Laboratory, a Department of Energy Bioenergy
Research Center, and by the UCLA-DOE Institute for Genomics and
Proteomics.
NR 34
TC 124
Z9 130
U1 6
U2 57
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD APR
PY 2011
VL 77
IS 8
BP 2727
EP 2733
DI 10.1128/AEM.02454-10
PG 7
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 749IU
UT WOS:000289459300020
PM 21378054
ER
PT J
AU Singer, E
Webb, EA
Nelson, WC
Heidelberg, JF
Ivanova, N
Pati, A
Edwards, KJ
AF Singer, Esther
Webb, Eric A.
Nelson, William C.
Heidelberg, John F.
Ivanova, Natalia
Pati, Amrita
Edwards, Katrina J.
TI Genomic Potential of Marinobacter aquaeolei, a Biogeochemical
"Opportunitroph"
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID SP-NOV.; MODERATE HALOPHILE; PSEUDOMONAS-STUTZERI; OXIDIZING BACTERIUM;
MARINE-ENVIRONMENT; HYDROTHERMAL-VENT; CHINA SEA; SEQUENCE;
PHOSPHONATES; DEEP
AB The genus of Marinobacter is one of the most ubiquitous in the global oceans and assumed to significantly impact various biogeochemical cycles. The genome structure and content of Marinobacter aquaeolei VT8 was analyzed and compared with those from other organisms with diverse adaptive strategies. Here, we report the many "opportunitrophic" genetic characteristics and strategies that M. aquaeolei has adopted to promote survival under various environmental conditions. Genome analysis revealed its metabolic potential to utilize oxygen and nitrate as terminal electron acceptors, iron as an electron donor, and urea, phosphonate, and various hydrocarbons as alternative N, P, and C sources, respectively. Miscellaneous sensory and defense mechanisms, apparently acquired via horizontal gene transfer, are involved in the perception of environmental fluctuations and antibiotic, phage, toxin, and heavy metal resistance, enabling survival under adverse conditions, such as oil-polluted water. Multiple putative integrases, transposases, and plasmids appear to have introduced additional metabolic potential, such as phosphonate degradation. The genomic potential of M. aquaeolei and its similarity to other opportunitrophs are consistent with its cosmopolitan occurrence in diverse environments and highly variable lifestyles.
C1 [Singer, Esther; Edwards, Katrina J.] Univ So Calif, Geomicrobiol Grp, Dept Earth Sci, Los Angeles, CA USA.
[Webb, Eric A.; Nelson, William C.; Heidelberg, John F.; Edwards, Katrina J.] Univ So Calif, Dept Biol Sci, Marine Environm Biol Sect, Los Angeles, CA 90089 USA.
[Ivanova, Natalia; Pati, Amrita] Joint Genome Inst, Dept Energy, Walnut Creek, CA USA.
RP Edwards, KJ (reprint author), 3616 Trousdale Pkwy,AHF 203, Los Angeles, CA 90089 USA.
EM kje@usc.edu
RI Nelson, William/E-9263-2016;
OI Nelson, William/0000-0002-1873-3929; Heidelberg,
John/0000-0003-0673-3224
FU National Science Foundation [OCE-53-4813-7700]; Wrigley Institute
FX This work was supported by the National Science Foundation
(OCE-53-4813-7700 to K.J.E.) and the Wrigley Institute summer fellowship
program 2009.
NR 72
TC 38
Z9 39
U1 2
U2 25
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD APR
PY 2011
VL 77
IS 8
BP 2763
EP 2771
DI 10.1128/AEM.01866-10
PG 9
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 749IU
UT WOS:000289459300024
PM 21335390
ER
PT J
AU Kravitz, B
Robock, A
Boucher, O
Schmidt, H
Taylor, KE
Stenchikov, G
Schulz, M
AF Kravitz, Ben
Robock, Alan
Boucher, Olivier
Schmidt, Hauke
Taylor, Karl E.
Stenchikov, Georgiy
Schulz, Michael
TI The Geoengineering Model Intercomparison Project (GeoMIP)
SO ATMOSPHERIC SCIENCE LETTERS
LA English
DT Article
DE geoengineering; climate modeling; CMIP5; model evaluation; SRM; monsoon
ID EARTHS RADIATION BALANCE; CLIMATE-CHANGE; SCHEMES; IMPACT
AB To evaluate the effects of stratospheric geoengineering with sulphate aerosols, we propose standard forcing scenarios to be applied to multiple climate models to compare their results and determine the robustness of their responses. Thus far, different modeling groups have used different forcing scenarios for both global warming and geoengineering, complicating the comparison of results. We recommend four experiments to explore the extent to which geoengineering might offset climate change projected in some of the Climate Model Intercomparison Project 5 experiments. These experiments focus on stratospheric aerosols, but future experiments under this framework may focus on different means of geoengineering. Copyright (C) 2011 Royal Meteorological Society and Crown Copyright
C1 [Kravitz, Ben; Robock, Alan; Stenchikov, Georgiy] Rutgers State Univ, Dept Environm Sci, New Brunswick, NJ 08901 USA.
[Boucher, Olivier] Met Off Hadley Ctr, Exeter, Devon, England.
[Schmidt, Hauke] Max Planck Inst Meteorol, Hamburg, Germany.
[Taylor, Karl E.] Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Livermore, CA USA.
[Stenchikov, Georgiy] King Abdullah Univ Sci & Technol, Thuwal, Saudi Arabia.
[Schulz, Michael] Lab Sci Climat & Environm, Gif Sur Yvette, France.
RP Kravitz, B (reprint author), Rutgers State Univ, Dept Environm Sci, 14 Coll Farm Rd, New Brunswick, NJ 08901 USA.
EM benkravitz@envsci.rutgers.edu
RI Boucher, Olivier/J-5810-2012; Boucher, Olivier/K-7483-2012; Schmidt,
Hauke/J-4469-2013; Georgiy, Stenchikov/J-8569-2013; Kravitz,
Ben/P-7925-2014; Schulz, Michael/A-6930-2011; Robock, Alan/B-6385-2016;
Taylor, Karl/F-7290-2011
OI Boucher, Olivier/0000-0003-2328-5769; Stenchikov, Georgiy
Lvovich/0000-0001-9033-4925; Robock, Alan/0000-0002-6319-5656; Boucher,
Olivier/0000-0003-2328-5769; Schmidt, Hauke/0000-0001-8271-6456;
Kravitz, Ben/0000-0001-6318-1150; Schulz, Michael/0000-0003-4493-4158;
Taylor, Karl/0000-0002-6491-2135
FU NSF [ATM-0730452]; DECC/Defra Integrated Climate Programme [GA01101];
European Commission; Department of Energy; DOE at Lawrence Livermore
National Laboratory [DE-AC52-07NA27344]
FX We thank Bjorn Stevens, Drew Shindell, Jerry Meehl, Ron Stouffer, Andy
Jones, Jim Haywood, Phil Rasch, and Marco Giorgetta for their
suggestions in improving this document and the outlined scenarios
therein. We also thank the reviewers for their thorough, helpful
comments. This document also benefited from extensive discussion with
attendees of the Strategic Workshop on Geoengineering Research, Hamburg,
Germany, 25-26 November 2009, and subsequent discussions with
researchers from the IMPLICC project. We thank Luke Oman and Allison
Marquardt for their past work on and assistance with our research. The
work of B. Kravitz, A. Robock, and G. Stenchikov is supported by NSF
grant ATM-0730452. The work of O. Boucher is supported by DECC/Defra
Integrated Climate Programme (GA01101). The work of H. Schmidt and M.
Schulz is supported by the European Commission within the FP7 project
IMPLICC. K. E. Taylor's contribution was supported by the Department of
Energy's (DOE's) Global and Regional Climate Modeling Program, and this
work was performed under the auspices of the DOE at Lawrence Livermore
National Laboratory under contract DE-AC52-07NA27344.
NR 25
TC 108
Z9 111
U1 5
U2 45
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1530-261X
J9 ATMOS SCI LETT
JI Atmos. Sci. Lett.
PD APR-JUN
PY 2011
VL 12
IS 2
BP 162
EP 167
DI 10.1002/asl.316
PG 6
WC Geochemistry & Geophysics; Meteorology & Atmospheric Sciences
SC Geochemistry & Geophysics; Meteorology & Atmospheric Sciences
GA 751WU
UT WOS:000289649200002
ER
PT J
AU Borole, AP
Hamilton, CY
Vishnivetskaya, TA
AF Borole, Abhijeet P.
Hamilton, Choo Y.
Vishnivetskaya, Tatiana A.
TI Enhancement in current density and energy conversion efficiency of
3-dimensional MFC anodes using pre-enriched consortium and continuous
supply of electron donors
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Microbial fuel cell; Shear flow; Biofilm-forming; Direct electron
transfer; Electro-active
ID MICROBIAL FUEL-CELLS; INTERNAL RESISTANCE; IMPEDANCE SPECTROSCOPY;
ELECTRICITY-GENERATION; CATHODE; PERFORMANCE; BIOFILMS
AB Using a pre-enriched microbial consortium as the inoculum and continuous supply of carbon source, improvement in performance of a three-dimensional, flow-through MFC anode utilizing ferricyanide cathode was investigated. The power density increased from 170 W/m(3) (1800 mW/m(2)) to 580 W/m(3) (6130 mW/m(2)), when the carbon loading increased from 2.5 g/1-day to 50 g/1-day. The coulombic efficiency (CE) decreased from 90% to 23% with increasing carbon loading. The CEs are among the highest reported for glucose and lactate as the substrate with the maximum current density reaching 15.1 A/m(2). This suggests establishment of a very high performance exoelectrogenic microbial consortium at the anode. A maximum energy conversion efficiency of 54% was observed at a loading of 2.5 g/1-day. Biological characterization of the consortium showed presence of Burkholderiales and Rhodocyclales as the dominant members. Imaging of the biofilms revealed thinner biofilms compared to the inoculum MFC, but a 1.9-fold higher power density. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Borole, Abhijeet P.; Vishnivetskaya, Tatiana A.] Oak Ridge Natl Lab, BioSci Div, Oak Ridge, TN 37831 USA.
[Hamilton, Choo Y.] Univ Tennessee, Knoxville, TN 37996 USA.
RP Borole, AP (reprint author), Oak Ridge Natl Lab, BioSci Div, POB 2008, Oak Ridge, TN 37831 USA.
EM borolea@ornl.gov
RI Borole, AP/F-3933-2011; Vishnivetskaya, Tatiana/A-4488-2008;
OI Vishnivetskaya, Tatiana/0000-0002-0660-023X; Borole,
Abhijeet/0000-0001-8423-811X
FU Oak Ridge National Laboratory (ORNL); UT-Battelle, Inc.
[DE-AC05-000R22725]
FX The financial support from the Oak Ridge National Laboratory (ORNL)
Laboratory Director's Research and Development Program is gratefully
acknowledged. ORNL is managed by UT-Battelle, Inc. via a contract
#DE-AC05-000R22725 for the US Department of Energy. The authors would
like to thank Jenny Morrell-Falvey for assistance with biofilm imaging.
NR 27
TC 22
Z9 22
U1 3
U2 25
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0960-8524
J9 BIORESOURCE TECHNOL
JI Bioresour. Technol.
PD APR
PY 2011
VL 102
IS 8
BP 5098
EP 5104
DI 10.1016/j.biortech.2011.01.045
PG 7
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 752PA
UT WOS:000289703400021
PM 21334884
ER
PT J
AU Shih, CJ
Lupoi, JS
Smith, EA
AF Shih, Chien-Ju
Lupoi, Jason S.
Smith, Emily A.
TI Raman spectroscopy measurements of glucose and xylose in hydrolysate:
Role of corn stover pretreatment and enzyme composition
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Raman spectroscopy; Glucose quantitation; Xylose quantitation; Enzymatic
hydrolysate; Biofuels
ID LIGNOCELLULOSIC BIOMASS; ACID PRETREATMENT; AQUEOUS AMMONIA; CELL-WALLS;
TECHNOLOGIES; SUGARS; SACCHARIFICATION; PHLOROGLUCINOL; FERMENTATION;
FEATURES
AB The effect of corn stover pretreatment on glucose quantitation in hydrolysate using Raman spectroscopy is evaluated. Dilute sulfuric-acid pretreatment results in a 20 mg mL(-1) glucose limit of detection in hydrolysate. Soaking in aqueous ammonia pretreatment produces a 4 mg mL(-1) limit of detection. Water, ethanol or hexane extraction of corn stover reduces the spectral background that limits glucose detection in dilute acid hydrolysate. Additionally. a Raman spectroscopy multi-peak fitting method is presented to simultaneously measure glucose and xylose concentration in hydrolysate. This method yields a 6.1% average relative standard error at total saccharide concentrations above 45 mg mL(-1). When only cellulase is present, glucose and xylose yield were measured by Raman spectroscopy to be 32 +/- 4 and 7.0 +/- 0.8 mg mL(-1), respectively. When both cellulase and hemicellulase were present, xylose yield increased to 18.0 +/- 0.5 mg mL(-1). Enzymatic or colorimetric assays confirmed the validity of the Raman spectroscopy results. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Smith, Emily A.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
US DOE, Ames Lab, Ames, IA 50011 USA.
RP Smith, EA (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
EM esmith1@iastate.edu
OI Smith, Emily/0000-0001-7438-7808
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences through the Ames
Laboratory; U.S. Department of Energy by Iowa State University
[DE-AC02-07CH11358]
FX This research is supported by the U.S. Department of Energy, Office of
Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and
Biosciences through the Ames Laboratory. The Ames Laboratory is operated
for the U.S. Department of Energy by Iowa State University under
Contract No. DE-AC02-07CH11358. The authors are grateful to Dr. Kenneth
J. Moore for providing corn stover and Danisco US Inc., Genencor
Division, for providing the Accellerase enzymes.
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PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0960-8524
J9 BIORESOURCE TECHNOL
JI Bioresour. Technol.
PD APR
PY 2011
VL 102
IS 8
BP 5169
EP 5176
DI 10.1016/j.biortech.2011.01.043
PG 8
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 752PA
UT WOS:000289703400030
PM 21324678
ER
PT J
AU Krtolica, A
Larocque, N
Genbacev, O
Ilic, D
Coppe, JP
Patil, CK
Zdravkovic, T
McMaster, M
Campisi, J
Fisher, SJ
AF Krtolica, Ana
Larocque, Nick
Genbacev, Olga
Ilic, Dusko
Coppe, Jean-Philippe
Patil, Christopher K.
Zdravkovic, Tamara
McMaster, Michael
Campisi, Judith
Fisher, Susan J.
TI GRO alpha regulates human embryonic stem cell self-renewal or adoption
of a neuronal fate
SO DIFFERENTIATION
LA English
DT Article
DE hESC; Pluripotency; Polarization; Cytokine; Cell-cell interaction; CXCL1
ID HUMAN ENDOMETRIAL CELLS; FREE CULTURE; EXPRESSION; DIFFERENTIATION;
DERIVATION; LINES; MASS; PROTEINS; MELANOMA; PROTEOME
AB Previously we reported that feeders formed from human placental fibroblasts (hPFs) support derivation and long-term self-renewal of human embryonic stem cells (hESCs) under serum-free conditions. Here, we show, using antibody array and ELISA platforms, that hPFs secrete similar to 6-fold higher amounts of the CXC-type chemokine, GRO alpha, than IMR 90, a human lung fibroblast line, which does not support hESC growth. Furthermore, immunocytochemistry and immunoblot approaches revealed that hESCs express CXCR, a GRO alpha receptor. We used this information to develop defined culture medium for feeder-free propagation of hESCs in an undifferentiated state. Cells passaged as small aggregates and maintained in the GRO alpha-containing medium had a normal karyotype, expressed pluripotency markers, and exhibited apical-basal polarity, i.e., had the defining features of pluripotent hESCs. They also differentiated into the three primary (embryonic) germ layers and formed teratomas in immunocompromised mice. hESCs cultured as single cells in the GRO alpha-containing medium also had a normal karyotype, but they down regulated markers of pluripotency, lost apical-basal polarity, and expressed markers that are indicative of the early stages of neuronal differentiation-beta III tubulin, vimentin, radial glial protein, and nestin. These data support our hypothesis that establishing and maintaining cell polarity is essential for the long-term propagation of hESCs in an undifferentiated state and that disruption of cell-cell contacts can trigger adoption of a neuronal fate. (C) 2011 International Society of Differentiation. Published by Elsevier Ltd. All rights reserved.
C1 [Larocque, Nick; Genbacev, Olga; Zdravkovic, Tamara; McMaster, Michael; Fisher, Susan J.] Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Sci, San Francisco, CA 94143 USA.
[Larocque, Nick; Genbacev, Olga; Zdravkovic, Tamara; McMaster, Michael; Fisher, Susan J.] Univ Calif San Francisco, Ctr Reprod Sci, San Francisco, CA 94143 USA.
[Krtolica, Ana; Ilic, Dusko] StemLifeLine Inc, SLL Sci, San Carlos, CA 94070 USA.
[Fisher, Susan J.] Univ Calif San Francisco, Dept Anat, San Francisco, CA 94143 USA.
[McMaster, Michael; Fisher, Susan J.] Univ Calif San Francisco, Eli & Edythe Broad Ctr Regenerat Med & Stem Cell, San Francisco, CA 94143 USA.
[McMaster, Michael; Fisher, Susan J.] Univ Calif San Francisco, Human Embryon Stem Cell Program, San Francisco, CA 94143 USA.
[Fisher, Susan J.] Univ Calif San Francisco, Sandler Moore Mass Spectrometry Facil, San Francisco, CA 94143 USA.
[Coppe, Jean-Philippe; Patil, Christopher K.; Campisi, Judith] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Patil, Christopher K.; Campisi, Judith] Buck Inst Age Res, Novato, CA 94945 USA.
RP Fisher, SJ (reprint author), Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Sci, 513 Parnassus Ave,Box 0556, San Francisco, CA 94143 USA.
EM sfisher@cgl.ucsf.edu
FU California Institute for Regenerative Medicine [RC1-00113, RL1-00648];
NIH [R01-AG009909, T32-000266]; StemLifeLine, Inc.
FX This work was supported by grants from the California Institute for
Regenerative Medicine (RC1-00113 and RL1-00648); JPC and CP were
supported by NIH grants R01-AG009909 and T32-000266. Partial funding was
also provided by StemLifeLine, Inc.
NR 41
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U2 7
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0301-4681
J9 DIFFERENTIATION
JI Differentiation
PD APR
PY 2011
VL 81
IS 4
BP 222
EP 232
DI 10.1016/j.diff.2011.01.001
PG 11
WC Cell Biology; Developmental Biology
SC Cell Biology; Developmental Biology
GA 750ON
UT WOS:000289557900003
PM 21396766
ER
PT J
AU Som, S
Longman, DE
AF Som, S.
Longman, D. E.
TI Numerical Study Comparing the Combustion and Emission Characteristics of
Biodiesel to Petrodiesel
SO ENERGY & FUELS
LA English
DT Article
ID NOX EMISSIONS; DIESEL FUEL; SPRAY; OXIDATION; IGNITION; ENGINE; MODEL;
TEMPERATURE; PRESSURES; CHEMISTRY
AB Combustion and emission characteristics Of compression ignition engines strongly depend upon inner-nozzle flow and spray behavior. These processes control the fuel-air mixing, which in turn is critical for the combustion process. Previous studies by us highlighted the differences in the physical and chemical properties of petrodiesel and biodiesel, which significantly altered the inner-nozzle flow and spray structure. The current study is another step in this direction to gain a fundamental understanding on the influence of fuel properties on the combustion and emission characteristics of the compression ignition engine. n-Heptane and methyl butanoate were selected as surrogates for diesel and biodiesel fuels, respectively, because the chemical: kinetic pathways were well-understood. Liquid length and flame lift-off length for diesel and biodiesel fuels were validated against data available in the literature. Liquid lengths were always higher for biodiesel because of its higher heat of vaporization, which resulted in increased interplay between spray and combustion processes under all conditions investigated. Ambient: air entrainment was also lower for biodiesel mainly because of slower atomization and breakup. The mechanism for flame stabilization is further analyzed by estimating the turbulent burning velocity for both of the fuels. This analysis revealed that neither,flame propagation nor isolated ignition kernels upstream and detached from high-temperature regions can be the mechanism for flame stabilization. Flame propagation speeds were observed to be similar for both fuels. Biodiesel predicted lower soot concentrations, which were also reflected in reduced C(2)H(2) mole fractions. Although prompt NO(x) was higher for biodiesel, total NO(x) was lower because of reduced thermal NO(x). The ignition delay and NO(x) emissions predicted by these simulations do. not agree with trends reported in the literature; hence, this study highlights the need for better fuel surrogates for diesel and biodiesel fuels.
C1 [Som, S.; Longman, D. E.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
RP Som, S (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM ssom@anl.gov
FU Office of Science, U.S. Department of Energy, Argonne
[DE-AC02-06CH11357]
FX The submitted manuscript was created by U Chicago Argonne, LLC, operator
of Argonne National Laboratory (Argonne). Argonne, an Office of Science,
U.S. Department of Energy, laboratory, is operated under Contract
DE-AC02-06CH11357. The authors acknowledge Dr. Rolf Reitz and Ms.
Jessica Brakora at the Engine Research Centre at University of
Wisconsin, Madison, WI, for sharing the MB and ERC-Bio mechanisms used
in the current study.
NR 60
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U1 1
U2 15
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0887-0624
J9 ENERG FUEL
JI Energy Fuels
PD APR
PY 2011
VL 25
IS 4
BP 1373
EP 1386
DI 10.1021/ef101438u
PG 14
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 752NC
UT WOS:000289697700006
ER
PT J
AU Anand, K
Ra, Y
Reitz, RD
Bunting, B
AF Anand, K.
Ra, Y.
Reitz, R. D.
Bunting, B.
TI Surrogate Model Development for Fuels for Advanced Combustion Engines
SO ENERGY & FUELS
LA English
DT Article
ID DIESEL FUELS; JET; VAPORIZATION; MIXTURES
AB The fuels used in internal-combustion engines are complex mixtures Of a multitude of different types of hydrocarbon species. Attempting numerical simulations of combustion of real fuels with all of the hydrocarbon species included is highly unrealistic. Thus, a surrogate model approach is generally adopted, which involves choosing a few representative hydrocarbon species whose overall behavior mimics the characteristics of the target fuel The present study proposes surrogate models for the nine fuels for advanced combustion engines (FACE) that have been developed for studying low emission, high efficiency advanced diesel engine concepts. The surrogate compositions for the fuels are arrived at by simulating their distillation profiles to within a maximum absolute error of similar to 4% using a discrete multi-component (DMC) fuel model that has been incorporated in the multi-dimensional computational fluid dynamics (CFD) code,: The simulated surrogate compositions cover the range and rneasured concentrations of the various hydrocarbon classes present in the fuels. The fidelity of the surrogate fuel models is judged on the basis of matching their specific gravity, lower heating value, hydrogen/carbon (H/C) ratio, cetane number, and cetane index with the measured data for all nine FACE fuels.
C1 [Anand, K.; Ra, Y.; Reitz, R. D.] Univ Wisconsin, Engine Res Ctr, Madison, WI 53706 USA.
[Bunting, B.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Anand, K (reprint author), Univ Wisconsin, Engine Res Ctr, Madison, WI 53706 USA.
EM krishnasamy@wisc.edu
NR 42
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U1 0
U2 17
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0887-0624
J9 ENERG FUEL
JI Energy Fuels
PD APR
PY 2011
VL 25
IS 4
BP 1474
EP 1484
DI 10.1021/ef101719a
PG 11
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 752NC
UT WOS:000289697700015
ER
PT J
AU Lam, PS
Sokhansanj, S
Bi, XT
Lim, CJ
Melin, S
AF Lam, Pak Sui
Sokhansanj, Shahab
Bi, Xiaotao
Lim, C. Jim
Melin, Staffan
TI Energy Input and Quality of Pellets Made from Steam-Exploded Douglas Fir
(Pseudotsuga menziesii)
SO ENERGY & FUELS
LA English
DT Article
ID LOGGING RESIDUES; PRETREATMENT; WOOD; CELLULOSE; BIOMASS; SAWDUST;
STORAGE; BARK
AB Ground softwood Douglas for (Pseudotsuga menziesii) was treated with pressurized saturated steam at 200-220 degrees C (1.6.-2.4 MPa) for 5-10 min in a sealed container. The contents of the container were released to the atmosphere for a sudden decompression. The steam-exploded wood particles were dried to 10% moisture content and pelletized in a single-piston-cylinder system. The pellets were characterized for,their mechanical strength, chemical, composition, and moisture sorption. The steam-treated wood required 12-81% more energy to compact into pellets than the untreated wood. Pellets made from steam-treated wood had a breaking strength 1.4-3.3 times the strength of pellets made from untreated wood. Steam-treated pellets had a reduced equilibrium moisture content of 2-4% and, a reduced expansion after pelletization. There was a slight increase in the high heating value from 18.94 to 20.09 MJ/kg for the treated samples. Steam-treated pellets' exhibited a higher lengthwise rigidity compared to untreated pellets.
C1 [Lam, Pak Sui; Bi, Xiaotao; Lim, C. Jim; Melin, Staffan] Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z3, Canada.
[Sokhansanj, Shahab] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Lam, PS (reprint author), Univ British Columbia, Dept Chem & Biol Engn, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada.
EM plam@chbe.ubc.ca
FU Natural Science and Engineering Council of Canada; Wood Pellet
Association of Canada; British Columbia Ministry of Forest and Range;
Agricultural Biorefining Innovative Network; Oak Ridge National
Laboratory; Office of Biomass Program; United States Department of
Energy; University of British Columbia
FX This research was made possible by financial support in part by the
Natural Science and Engineering Council of Canada, Wood Pellet
Association of Canada, British Columbia Ministry of Forest and Range,
and Agricultural Biorefining Innovative Network. The co-author Shahab
Sokhansanj was supported by the Oak Ridge National Laboratory and the
Office of Biomass Program, United States Department of Energy, while
conducting this research at the University of British Columbia. The
authors acknowledge Jeff Hoi, a 4th year material engineering student at
the University of British Columbia, for his help in operating the
pellet-making equipment.
NR 33
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U1 2
U2 28
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0887-0624
J9 ENERG FUEL
JI Energy Fuels
PD APR
PY 2011
VL 25
IS 4
BP 1521
EP 1528
DI 10.1021/ef101683s
PG 8
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 752NC
UT WOS:000289697700020
ER
PT J
AU Kobayashi, T
Kohn, B
Holmes, L
Faulkner, R
Davis, M
Maciel, GE
AF Kobayashi, Takeshi
Kohn, Benjamin
Holmes, Lesley
Faulkner, Rebecca
Davis, Mark
Maciel, Gary E.
TI Molecular-Level Consequences of Biomass Pretreatment by Dilute Sulfuric
Acid at Various Temperatures
SO ENERGY & FUELS
LA English
DT Article
ID NUCLEAR-MAGNETIC-RESONANCE; STATE C-13 NMR; COLORADO BLUE SPRUCE;
WHITE-ROT DECAY; MAGIC-ANGLE; HIGH-RESOLUTION; LIGNOCELLULOSIC
MATERIALS; CROSS POLARIZATION; WOOD DECAY; ENZYMATIC SACCHARIFICATION
AB Ex situ room-temperature C-13 nuclear magnetic resonance (NMR) measurements are reported on powdered poplar wood that has been pretreated with dilute sulfuric acid (concentrations up to 1 wt %) for times ranging up to 20 mm and at temperatures of 120, 130, 140, and 150 degrees C. There are significant, albeit not dramatic, changes in the measured NMR spectra of the biomass as result of dilute sulfuric acid treatment. Values of T-1 for C-13 and as well as T-CH and T-1 rho H, were measured for lignin peaks and cellulose peaks in the C-13 NMR spectra, as potential indicators of the degree of atomic-level motion. For lignin components, one finds a trend to larger T-CH values as the treatment time or H2SO4 concentration is increased for treatment temperatures of 120 and 130 degrees C; however, for treatment temperatures of 140 and 150 degrees C, T-CH apparently decreases as the treatment time is increased. This higher temperature T-CH behavior implies that the lignin may actually become more rigid at later stages of treatment at temperatures >= 140 degrees C, which can be explained by cleavages of ether linkages of lignin and subsequent formation of new linkages, i.e., lignin recondensation. T-1C and T-1H measurements are consistent with this interpretation. The relationships between atomic-level mobility of lignin in biomass and treatment temperature is consistent with published relationships between the sugar yield and treatment temperature. The key role of acid treatment as a pretreatment for enzymatic digestion is evident in NMR measurements, including relaxation measurements, even after the treatment.
C1 [Kobayashi, Takeshi; Kohn, Benjamin; Holmes, Lesley; Faulkner, Rebecca; Maciel, Gary E.] Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA.
[Davis, Mark] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Maciel, GE (reprint author), Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA.
EM gary.maciel@colostate.edu
OI davis, mark/0000-0003-4541-9852
FU U.S. Department of Energy
FX The authors gratefully acknowledge support of this research by the U.S.
Department of Energy.
NR 66
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U1 0
U2 25
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0887-0624
J9 ENERG FUEL
JI Energy Fuels
PD APR
PY 2011
VL 25
IS 4
BP 1790
EP 1797
DI 10.1021/ef1017219
PG 8
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 752NC
UT WOS:000289697700050
ER
PT J
AU Price, L
Levine, MD
Zhou, N
Fridley, D
Aden, N
Lu, HY
McNeil, M
Zheng, NN
Qin, YN
Yowargana, P
AF Price, Lynn
Levine, Mark D.
Zhou, Nan
Fridley, David
Aden, Nathaniel
Lu, Hongyou
McNeil, Michael
Zheng, Nina
Qin, Yining
Yowargana, Ping
TI Assessment of China's energy-saving and emission-reduction
accomplishments and opportunities during the 11th Five Year Plan
SO ENERGY POLICY
LA English
DT Article
DE China; Energy intensity; Energy efficiency programs
ID EFFICIENCY
AB From 1980 to 2002, China experienced a 5% average annual reduction in energy consumption per unit of gross domestic product (GDP). With a dramatic reversal of this historic relationship, energy intensity increased 5% per year during 2002-2005. China's 11th Five Year Plan (FYP) set a target of reducing energy intensity by 20% by 2010. This paper assesses selected policies and programs that China has instituted to fulfill the national goal, finding that China made substantial progress and many of the energy-efficiency programs appear to be on track to meet - or in some cases exceed - their energy-saving targets. Most of the Ten Key Projects, the Top similar to 1000 Program, and the Small Plant Closure Program will meet or surpass the 11th FYP savings goals. China's appliance standards and labeling program has become very robust. China has greatly enhanced its enforcement of new building energy standards but energy-efficiency programs for buildings retrofits, as well as the goal of adjusting China's economic structure, are failing. It is important to maintain and strengthen the existing energy-saving policies and programs that are successful while revising programs or adding new policy mechanisms to improve the programs that are not on track to achieve the stated goals. Published by Elsevier Ltd.
C1 [Price, Lynn; Levine, Mark D.; Zhou, Nan; Fridley, David; Aden, Nathaniel; Lu, Hongyou; McNeil, Michael; Zheng, Nina; Qin, Yining] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Energy Anal Dept, Berkeley, CA 94720 USA.
[Yowargana, Ping] Azure Int, Beijing 100027, Peoples R China.
RP Price, L (reprint author), Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Energy Anal Dept, 1 Cyclotron Rd,MS 90R4000, Berkeley, CA 94720 USA.
EM LKPrice@lbl.gov
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U2 63
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0301-4215
J9 ENERG POLICY
JI Energy Policy
PD APR
PY 2011
VL 39
IS 4
BP 2165
EP 2178
DI 10.1016/j.enpol.2011.02.006
PG 14
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 747RF
UT WOS:000289336400025
ER
PT J
AU Levin, T
Thomas, VM
Lee, AJ
AF Levin, Todd
Thomas, Valerie M.
Lee, Audrey J.
TI State-scale evaluation of renewable electricity policy: The role of
renewable electricity credits and carbon taxes (vol 39, pg 950, 2010)
SO ENERGY POLICY
LA English
DT Correction
C1 [Levin, Todd; Thomas, Valerie M.] Georgia Inst Technol, Sch Ind & Syst Engn, Atlanta, GA 30332 USA.
[Thomas, Valerie M.] Georgia Inst Technol, Sch Publ Policy, Atlanta, GA 30332 USA.
[Lee, Audrey J.] US DOE, Off Policy & Int Affairs, Washington, DC 20585 USA.
RP Levin, T (reprint author), Georgia Inst Technol, Sch Ind & Syst Engn, 765 Ferst Dr NW, Atlanta, GA 30332 USA.
EM todd.levin@gatech.edu
NR 1
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U1 1
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PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0301-4215
J9 ENERG POLICY
JI Energy Policy
PD APR
PY 2011
VL 39
IS 4
BP 2216
EP 2216
DI 10.1016/j.enpol.2011.02.001
PG 1
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 747RF
UT WOS:000289336400031
ER
PT J
AU Uhrig, D
Schlegel, R
Weidisch, R
Mays, J
AF Uhrig, David
Schlegel, Ralf
Weidisch, Roland
Mays, Jimmy
TI Multigraft copolymer superelastomers: Synthesis morphology, and
properties
SO EUROPEAN POLYMER JOURNAL
LA English
DT Article
DE Thermoplastic elastomer; Graft copolymer; Morphology; Mechanical
properties
ID DOUBLE-GRAFT-COPOLYMERS; ANIONIC-POLYMERIZATION; MOLECULAR ARCHITECTURE;
BRANCH-POINTS; MECHANICAL-PROPERTIES; HYSTERESIS BEHAVIOR;
BLOCK-COPOLYMERS; POLYSTYRENE; MODEL; MACROMONOMERS
AB The synthesis of well-defined multigraft copolymers having a polydiene backbone with polystyrene side chains is briefly reviewed, with particular focus on controlling branch point spacing and branch point functionality. Use of living anionic polymerization and chlorosilane linking chemistry has led to the synthesis of series of materials having regularly spaced trifunctional (comb), tetrafunctional (centipede), and hexafunctional (barbwire) branch points. The morphologies of these materials were characterized by transmission electron microscopy and small-angle X-ray scattering, and it was found that the morphologies were controlled by the local architectural asymmetry associated with each branch point. Mechanical properties studies revealed that such multigraft copolymers represent a new class of thermoplastic elastomers (TPEs) with superior elongation at break and low residual strains as compared to conventional TPEs. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Uhrig, David; Mays, Jimmy] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Schlegel, Ralf; Weidisch, Roland] Fraunhofer Inst Mech Mat IWM, D-06120 Halle, Germany.
[Weidisch, Roland] Univ Halle Wittenberg, Dept Chem, D-06099 Halle, Germany.
[Mays, Jimmy] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Mays, Jimmy] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Mays, J (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
EM mays@ion.chem.utk.edu
RI Uhrig, David/A-7458-2016
OI Uhrig, David/0000-0001-8447-6708
FU Scientific User Facilities Division, Office of Basic Energy Sciences, US
Department of Energy; Division of Materials Science and Engineering,
Office of Basic Energy Sciences, US Department of Energy
[DE-AC05-00OR22725]; Oak Ridge National Laboratory; German Science
Foundation (DFG)
FX We dedicate this paper to our friend and long-time collaborator,
Professor Nikos Hadjichristidis, on the occasion of his retirement. Some
of Professor Hadjichristidis' many seminal contributions to synthesis
and understanding of multigraft copolymer TPEs are documented in this
paper. DU and JM acknowledge support by the Scientific User Facilities
Division, Office of Basic Energy Sciences, US Department of Energy. IM
also acknowledges support from the Division of Materials Science and
Engineering, Office of Basic Energy Sciences, US Department of Energy,
under contract number DE-AC05-00OR22725 with Oak Ridge National
Laboratory, managed and operated by UT-Battelle, LLC. RS and RW
acknowledge financial support of the German Science Foundation (DFG).
NR 38
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U1 0
U2 18
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0014-3057
J9 EUR POLYM J
JI Eur. Polym. J.
PD APR
PY 2011
VL 47
IS 4
SI SI
BP 560
EP 568
DI 10.1016/j.eurpolymj.2010.10.030
PG 9
WC Polymer Science
SC Polymer Science
GA 753YY
UT WOS:000289818100014
ER
PT J
AU Balsara, NP
Beers, KM
AF Balsara, Nitash P.
Beers, Keith M.
TI Proton conduction in materials comprising conducting domains with widths
less than 6 nm
SO EUROPEAN POLYMER JOURNAL
LA English
DT Article
DE Polymer; Electrolyte; Membranes; Water retention; Proton conductivity;
Microphases
ID POLYMER ELECTROLYTE MEMBRANES; FUEL-CELLS; HUMID AIR; NAFION;
NANOCHANNELS; ENHANCEMENT; TRANSITIONS; SAXS
AB We review the literature on proton conductivity and water uptake of composite polymer electrolyte membranes comprising bicontinuous hydrophilic and hydrophobic domains with well-controlled geometries. Both quantities appear to be enhanced when the width of the hydrophilic channels is smaller than 6 nm. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Balsara, Nitash P.; Beers, Keith M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Chem Engn, Berkeley, CA 94720 USA.
[Balsara, Nitash P.; Beers, Keith M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Balsara, NP (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Chem Engn, 201C Gilman Hall, Berkeley, CA 94720 USA.
EM nbalsara@berkeley.edu
FU Office of Science, Office of Basic Energy Sciences, Materials Sciences
and Engineering Division; Energy Efficiency and Renewable Energy
Division of the US Department of Energy [DE-AC02-05CH11231]
FX NPB gratefully acknowledges Nikos Hadjichristidis for his help as a
teacher, friend, and collaborator during the past twenty years. This
work was supported by the Director, Office of Science, Office of Basic
Energy Sciences, Materials Sciences and Engineering Division and the
Fuel Cell Technologies Program, Energy Efficiency and Renewable Energy
Division of the US Department of Energy under Contract
DE-AC02-05CH11231. It is a pleasure to recognize Phil Ross (Lawrence
Berkeley National Laboratory) for helpful discussions that led to our
studies of the effect of capillary condensation on water uptake and
proton transport in polymer membranes.
NR 23
TC 3
Z9 3
U1 0
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0014-3057
J9 EUR POLYM J
JI Eur. Polym. J.
PD APR
PY 2011
VL 47
IS 4
SI SI
BP 647
EP 650
DI 10.1016/j.eurpolymj.2010.10.022
PG 4
WC Polymer Science
SC Polymer Science
GA 753YY
UT WOS:000289818100020
ER
PT J
AU Askari, A
Nelson, K
Weckner, O
Xu, JF
Silling, S
AF Askari, Abe
Nelson, Karl
Weckner, Olaf
Xu, Jifeng
Silling, Stewart
TI Hail Impact Characteristics of a Hybrid Material by Advanced Analysis
Techniques and Testing
SO JOURNAL OF AEROSPACE ENGINEERING
LA English
DT Article
DE Composite materials; Hybrid material; Delaminating; Constitutive models;
Hail impact
ID COMPOSITE PLATES; MECHANICS; STRENGTH; BEHAVIOR; DAMAGE
AB The design of an aerospace structure using an off-the-shelf composite would involve increasing the gauge thickness until all the design requirements are met. This can lead to an inefficient design, because excess margins will exist for all properties except the one that determines the gauge. The design of a material can be made practical by creating a hybrid composite consisting of two or more types of fibers or resins, each embellishing a particular trait or function to the material. This paper investigates both high-and low-energy hail impact against a toughened-epoxy, intermediate-modulus, carbon-fiber composite using both experimental and analytical means. The effect of introducing ply-level hybridization by substituting up to 20% of the plies with glass-reinforced plies is considered. It is found that delamination can be reduced by this hybridization, but the benefits are dependent on the impact energy and the test conditions. A computational model based on the peridynamic theory of solid mechanics is used to understand the benefits and trade-offs in hybridization. DOI: 10.1061/(ASCE)AS.1943-5525.0000034. (C) 2011 American Society of Civil Engineers.
C1 [Silling, Stewart] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Askari, Abe; Weckner, Olaf] Boeing Res & Technol, Bellevue, WA 98008 USA.
[Nelson, Karl] Boeing Res & Technol, Tukwila, WA 98108 USA.
[Xu, Jifeng] Boeing Commercial Airplanes, Composite Methods, Everett, WA 98204 USA.
RP Silling, S (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM abe.askari@boeing.com; karl.m.nelson@boeing.com;
olaf.weckner@boeing.com; jifeng.xu@boeing.com; sasilli@sandia.gov
NR 17
TC 4
Z9 4
U1 1
U2 19
PU ASCE-AMER SOC CIVIL ENGINEERS
PI RESTON
PA 1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA
SN 0893-1321
J9 J AEROSPACE ENG
JI J. Aerosp. Eng.
PD APR
PY 2011
VL 24
IS 2
BP 210
EP 217
DI 10.1061/(ASCE)AS.1943-5525.0000034
PG 8
WC Engineering, Aerospace; Engineering, Civil
SC Engineering
GA 752KU
UT WOS:000289690900010
ER
PT J
AU de Diego, N
Serra, A
Bacon, DJ
Osetsky, YN
AF de Diego, N.
Serra, A.
Bacon, D. J.
Osetsky, Yu N.
TI On the structure and mobility of point defect clusters in
alpha-zirconium: a comparison for two interatomic potential models
SO MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
LA English
DT Article
ID AB-INITIO; INTERSTITIAL CLUSTERS; DISPLACEMENT CASCADES; DISLOCATION
LOOPS; VACANCY; ZR; DYNAMICS; METALS
AB A recent interatomic potential for alpha-zirconium (Zr) is used to investigate the atomic configuration and motion of point defect clusters. The structure of the single self-interstitial atom (SIA) has a strong influence on the properties of small clusters containing up to six interstitials. For a given number of defects in this size range, several configurations exist with similar formation energy but different dynamic properties, i.e. they may be sessile or glissile. The movement of small clusters is three-dimensional and involves combinations of the different configurations. As cluster size increases, the influence of the configuration of the stable single SIA vanishes and the interstitials orientate to achieve near-perfect crystal structure inside the cluster and a dislocation-core arrangement at the periphery. Movement of clusters larger than 12 SIAs is one-dimensional along the direction of the Burgers vector. The stable configurations of vacancy clusters are also studied. The results are compared with those predicted with a model based on an earlier interatomic potential.
C1 [de Diego, N.] Univ Complutense, Fac Fis, Dept Fis Mat, E-28040 Madrid, Spain.
[Serra, A.] Univ Politecn Cataluna, ETSE Camins, Dept Matemat Aplicada 3, Barcelona, Spain.
[Bacon, D. J.] Univ Liverpool, Dept Engn, Liverpool L69 3BX, Merseyside, England.
[Osetsky, Yu N.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN USA.
RP de Diego, N (reprint author), Univ Complutense, Fac Fis, Dept Fis Mat, E-28040 Madrid, Spain.
EM nievesd@fis.ucm.es
OI Serra, Anna/0000-0002-8754-5649; Osetskiy, Yury/0000-0002-8109-0030
FU Spanish Ministry of Science and Innovation [FIS2009-13641-C02-02];
Catalan Government [CIRIT 2009SGR 1003]; US Department of Energy, Office
of Basic Energy Sciences, Materials Sciences and Engineering Division;
Consortium for Advanced Simulation of Light Water Reactors; US
Department of Energy, Energy Innovation Hub for Modeling and Simulation
of Nuclear Reactors
FX This work was supported by the Spanish Ministry of Science and
Innovation (FIS2009-13641-C02-02) and the Catalan Government (CIRIT
2009SGR 1003) and partly supported by the US Department of Energy,
Office of Basic Energy Sciences, Materials Sciences and Engineering
Division and the Consortium for Advanced Simulation of Light Water
Reactors (http://www.casl.gov), a US Department of Energy, Energy
Innovation Hub (http://www.energy.gov/hubs) for Modeling and Simulation
of Nuclear Reactors (Y.O. theory and modelling). The computing was
partly made in CESCA (www.cesca.es).
NR 18
TC 1
Z9 1
U1 2
U2 19
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0965-0393
J9 MODEL SIMUL MATER SC
JI Model. Simul. Mater. Sci. Eng.
PD APR
PY 2011
VL 19
IS 3
AR 035003
DI 10.1088/0965-0393/19/3/035003
PG 11
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 753MG
UT WOS:000289778700003
ER
PT J
AU Hochhalter, JD
Littlewood, DJ
Veilleux, MG
Bozek, JE
Maniatty, AM
Rollett, AD
Ingraffea, AR
AF Hochhalter, J. D.
Littlewood, D. J.
Veilleux, M. G.
Bozek, J. E.
Maniatty, A. M.
Rollett, A. D.
Ingraffea, A. R.
TI A geometric approach to modeling microstructurally small fatigue crack
formation: III. Development of a semi-empirical model for nucleation
SO MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
LA English
DT Article
ID POLYCRYSTAL PLASTICITY; ALUMINUM-ALLOY; CYCLE FATIGUE; GROWTH;
DISLOCATION
AB It has been observed during fatigue cracking of AA 7075-T651 that a small percentage of Al(7)Cu(2)Fe particles crack during manufacturing or very early in their life. Some of the cracked particles eventually nucleate cracks into the surrounding microstructure, and among these the number of cycles required for nucleation varies widely. It is important to comprehend the mechanics underpinning the observed variation so that the subsequent propagation stage can be accurately modeled. To this end, finite element models of replicated grain and particle geometry are used to compute mechanical fields near monitored cracked particles using an elastic-viscoplastic crystal plasticity model that captures the effect of the orientation of the grains near each monitored particle. Nonlocal, slip-based metrics are used to study the localization and cyclic accumulation of slip near the cracked particles providing mechanics-based insight into the actuation of the nucleation event. A high slip localization and cyclic accumulation rate are found to be a necessary, but not sufficient, condition for nucleation from cracked particles. A sufficient local driving stress must also be present, which is strongly dependent on the local microstructure and accumulated slip. Furthermore, the simulation results elucidate a quantitative relationship between the slip accumulated during fatigue loading and a consequential reduction of the critical local driving stress for nucleation, providing a physical basis for the fatigue damage concept. The observed nucleation direction is orthogonal to the computed local maximum tangential stress direction, as expected for this alloy. The main result is a semi-empirical model for the number of cycles required for nucleation, which is dependent on the maximum tangential stress and cyclic slip-accumulation rate near a cracked particle.
C1 [Hochhalter, J. D.] NASA, Durabil & Damage Tolerance Branch, Langley Res Ctr, Hampton, VA 23681 USA.
[Littlewood, D. J.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Veilleux, M. G.; Bozek, J. E.; Ingraffea, A. R.] Cornell Univ, Cornell Fracture Grp, Ithaca, NY 14853 USA.
[Maniatty, A. M.] Rensselaer Polytech Inst, Troy, NY 12180 USA.
[Rollett, A. D.] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
RP Hochhalter, JD (reprint author), NASA, Durabil & Damage Tolerance Branch, Langley Res Ctr, MS 188E, Hampton, VA 23681 USA.
EM Jacob.D.Hochhalter@nasa.gov
RI Rollett, Anthony/A-4096-2012
OI Rollett, Anthony/0000-0003-4445-2191
FU Defense Advanced Research Projects Agency (DARPA) [HR0011-04-C-0003];
NASA [ARMD-NNX07AB69A]; NASA Advanced Supercomputing Division at Ames
Research Center
FX Dr Gerd Heber developed the parallel finite element code that was used
for the finite element simulations presented here. The measurements of
microstructural geometry were made by Robert Christ Jr and Dr Elias
Anagnostou at the Northrop Grumman Corporation. This work is partially
sponsored by the Defense Advanced Research Projects Agency (DARPA) under
contract HR0011-04-C-0003. Dr Leo Christodoulou is the DARPA Program
Manager. This work is also partially funded by NASA under contract
ARMD-NNX07AB69A. Dr Ed Glaessgen is the National Aeronautics and Space
Administration (NASA) Contract Monitor. Resources supporting this work
were provided by the NASA High-End Computing Program through the NASA
Advanced Supercomputing Division at Ames Research Center. The views,
opinions, and/or findings contained in this paper are those of the
authors and should not be interpreted as representing the official views
or policies, either expressed or implied, of the Defense Advanced
Research Projects Agency or the Department of Defense.
NR 23
TC 11
Z9 11
U1 1
U2 10
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0965-0393
J9 MODEL SIMUL MATER SC
JI Model. Simul. Mater. Sci. Eng.
PD APR
PY 2011
VL 19
IS 3
AR 035008
DI 10.1088/0965-0393/19/3/035008
PG 27
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 753MG
UT WOS:000289778700008
ER
PT J
AU Oh, SY
Budzik, JM
Garufi, G
Schneewind, O
AF Oh, So-Young
Budzik, Jonathan M.
Garufi, Gabriella
Schneewind, Olaf
TI Two capsular polysaccharides enable Bacillus cereus G9241 to cause
anthrax-like disease
SO MOLECULAR MICROBIOLOGY
LA English
DT Article
ID GROUP-A STREPTOCOCCUS; HYALURONIC-ACID CAPSULE; MOLECULAR
CHARACTERIZATION; BIOLOGICAL-ACTIVITIES; INHALATION ANTHRAX;
B-ANTHRACIS; TOXIN GENES; CELL-WALL; RECEPTOR; VIRULENCE
AB P>Bacillus cereus G9241 causes an anthrax-like respiratory illness in humans; however, the molecular mechanisms of disease pathogenesis are not known. Genome sequencing identified two putative virulence plasmids proposed to provide for anthrax toxin (pBCXO1) and/or capsule expression (pBC218). We report here that B. cereus G9241 causes anthrax-like disease in immune-competent mice, which is dependent on each of the two virulence plasmids. pBCXO1 encodes pagA1, the homologue of anthrax protective antigen, as well as hasACB, providing for hyaluronic acid capsule formation, two traits that each contribute to disease pathogenesis. pBC218 harbours bpsX-H, B. cereus exo-polysaccharide, which produce a second capsule. During infection, B. cereus G9241 elaborates both hasACB and bpsX-H capsules, which together are essential for the establishment of anthrax-like disease and the resistance of bacilli to phagocytosis. A single nucleotide deletion causes premature termination of hasA translation in Bacillus anthracis, which is known to escape phagocytic killing by its pXO2 encoded poly-d-gamma-glutamic acid (PDGA) capsule. Thus, multiple different gene clusters endow pathogenic bacilli with capsular material, provide for escape from innate host immune responses and aid in establishing the pathogenesis of anthrax-like disease.
C1 [Oh, So-Young; Budzik, Jonathan M.; Garufi, Gabriella; Schneewind, Olaf] Univ Chicago, Dept Microbiol, Chicago, IL 60637 USA.
[Oh, So-Young; Garufi, Gabriella; Schneewind, Olaf] Argonne Natl Lab, Howard Taylor Ricketts Lab, Argonne, IL 60439 USA.
RP Schneewind, O (reprint author), Univ Chicago, Dept Microbiol, Chicago, IL 60637 USA.
EM oschnee@bsd.uchicago.edu
FU National Institute of Allergy and Infectious Diseases (NIAID),
Infectious Diseases Branch [AI69227, AI38897]; NIH, University of
Chicago [GM07281]; NIH [1-U54-AI-057153]
FX We thank Andrea DeDent for her help with the fluorescence microscopy
experiments as well as Dominique M. Missiakas and members of our
laboratory for discussion and experimental assistance. This work was
supported by grants from the National Institute of Allergy and
Infectious Diseases (NIAID), Infectious Diseases Branch (AI69227 and
AI38897 to O.S.). J.M.B. was a trainee of the NIH Medical Scientist
Training Program at The University of Chicago (GM07281). O.S.
acknowledges membership within and support from the Region V 'Great
Lakes' Regional Center of Excellence in Biodefense and Emerging
Infectious Diseases Consortium (NIH Award 1-U54-AI-057153).
NR 56
TC 23
Z9 25
U1 1
U2 5
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0950-382X
J9 MOL MICROBIOL
JI Mol. Microbiol.
PD APR
PY 2011
VL 80
IS 2
BP 455
EP 470
DI 10.1111/j.1365-2958.2011.07582.x
PG 16
WC Biochemistry & Molecular Biology; Microbiology
SC Biochemistry & Molecular Biology; Microbiology
GA 748CD
UT WOS:000289366700015
PM 21371137
ER
PT J
AU Taubenberger, S
Benetti, S
Childress, M
Pakmor, R
Hachinger, S
Mazzali, PA
Stanishev, V
Elias-Rosa, N
Agnoletto, I
Bufano, F
Ergon, M
Harutyunyan, A
Inserra, C
Kankare, E
Kromer, M
Navasardyan, H
Nicolas, J
Pastorello, A
Prosperi, E
Salgado, F
Sollerman, J
Stritzinger, M
Turatto, M
Valenti, S
Hillebrandt, W
AF Taubenberger, S.
Benetti, S.
Childress, M.
Pakmor, R.
Hachinger, S.
Mazzali, P. A.
Stanishev, V.
Elias-Rosa, N.
Agnoletto, I.
Bufano, F.
Ergon, M.
Harutyunyan, A.
Inserra, C.
Kankare, E.
Kromer, M.
Navasardyan, H.
Nicolas, J.
Pastorello, A.
Prosperi, E.
Salgado, F.
Sollerman, J.
Stritzinger, M.
Turatto, M.
Valenti, S.
Hillebrandt, W.
TI High luminosity, slow ejecta and persistent carbon lines: SN 2009dc
challenges thermonuclear explosion scenarios
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Review
DE supernovae: general; supernovae: individual: SN 2006gz; supernovae:
individual: SN 2007if; supernovae: individual: SN 2009dc; galaxies:
individual: UGC 10063; galaxies: individual: UGC 10064
ID IA SUPERNOVA 2009DC; DIGITAL SKY SURVEY; SOUTHERN SPECTROPHOTOMETRIC
STANDARDS; MASS-METALLICITY RELATION; STAR-FORMING GALAXIES; DA
WHITE-DWARFS; GAMMA-RAY BURST; LIGHT CURVES; CORE-COLLAPSE; DATA RELEASE
AB Extended optical and near-IR observations reveal that SN 2009dc shares a number of similarities with normal Type Ia supernovae (SNe Ia), but is clearly overluminous, with a (pseudo-bolometric) peak luminosity of log (L) = 43.47 (erg s-1). Its light curves decline slowly over half a year after maximum light [delta m(15)(B)(true) = 0.71], and the early-time near-IR light curves show secondary maxima, although the minima between the first and the second peaks are not very pronounced. The bluer bands exhibit an enhanced fading after similar to 200 d, which might be caused by dust formation or an unexpectedly early IR catastrophe. The spectra of SN 2009dc are dominated by intermediate-mass elements and unburned material at early times, and by iron-group elements at late phases. Strong C ii lines are present until similar to 2 weeks past maximum, which is unprecedented in thermonuclear SNe. The ejecta velocities are significantly lower than in normal and even subluminous SNe Ia. No signatures of interaction with a circumstellar medium (CSM) are found in the spectra. Assuming that the light curves are powered by radioactive decay, analytic modelling suggests that SN 2009dc produced similar to 1.8 M-circle dot of 56Ni assuming the smallest possible rise time of 22 d. Together with a derived total ejecta mass of similar to 2.8 M-circle dot, this confirms that SN 2009dc is a member of the class of possible super-Chandrasekhar-mass SNe Ia similar to SNe 2003fg, 2006gz and 2007if. A study of the hosts of SN 2009dc and other superluminous SNe Ia reveals a tendency of these SNe to explode in low-mass galaxies. A low metallicity of the progenitor may therefore be an important prerequisite for producing superluminous SNe Ia. We discuss a number of possible explosion scenarios, ranging from super-Chandrasekhar-mass white-dwarf progenitors over dynamical white-dwarf mergers and Type I SNe to a core-collapse origin of the explosion. None of the models seems capable of explaining all properties of SN 2009dc, so that the true nature of this SN and its peers remains nebulous.
C1 [Taubenberger, S.; Pakmor, R.; Hachinger, S.; Mazzali, P. A.; Kromer, M.; Hillebrandt, W.] Max Planck Inst Astrophys, D-85741 Garching, Germany.
[Benetti, S.; Mazzali, P. A.; Agnoletto, I.; Bufano, F.; Navasardyan, H.] Osserv Astron Padova, INAF, I-35122 Padua, Italy.
[Childress, M.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Childress, M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA.
[Mazzali, P. A.] Scuola Normale Super Pisa, I-56126 Pisa, Italy.
[Stanishev, V.] Inst Super Tecn, CENTRA Ctr Multidisciplinar Astrofis, P-1049001 Lisbon, Portugal.
[Elias-Rosa, N.] CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA.
[Elias-Rosa, N.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Ergon, M.; Sollerman, J.; Stritzinger, M.] Stockholm Univ, AlbaNova, Dept Astron, Oskar Klein Ctr, S-10691 Stockholm, Sweden.
[Harutyunyan, A.] Fdn Galileo Galilei INAF, E-38700 Tenerife, Spain.
[Inserra, C.; Turatto, M.] Osserv Astrofis Catania, INAF, I-95123 Catania, Italy.
[Kankare, E.] Univ Turku, Dept Phys & Astron, Tuorla Observ, FI-21500 Piikkio, Finland.
[Kankare, E.] Nord Opt Telescope, E-38700 Tenerife, Spain.
[Pastorello, A.; Valenti, S.] Queens Univ Belfast, Sch Math & Phys, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland.
[Prosperi, E.] Osservatorio Astron Castelmartini, I-51036 Larciano, Pistoia, Italy.
[Salgado, F.; Stritzinger, M.] Carnegie Observ, Las Campanas Observ, La Serena, Chile.
[Salgado, F.] Univ Chile, Dept Astron, Santiago, Chile.
RP Taubenberger, S (reprint author), Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85741 Garching, Germany.
EM tauben@mpa-garching.mpg.de
RI Stanishev, Vallery/M-8930-2013; Elias-Rosa, Nancy/D-3759-2014;
OI Stanishev, Vallery/0000-0002-7626-1181; Elias-Rosa,
Nancy/0000-0002-1381-9125; Turatto, Massimo/0000-0002-9719-3157;
Benetti, Stefano/0000-0002-3256-0016; Sollerman,
Jesper/0000-0003-1546-6615; Inserra, Cosimo/0000-0002-3968-4409
FU astronomers at the Telescopio Nazionale Galileo; 2.2-m Telescope at
Calar Alto; Nordic Optical Telescope; Large Binocular Telescope;
National Aeronautics and Space Administration; Lyon-Meudon Extragalactic
Database (LEDA); Alfred P. Sloan Foundation; National Science
Foundation; US Department of Energy; Japanese Monbukagakusho; Max Planck
Society; Higher Education Funding Council for England; Transregional
Collaborative Research Centre [TRR 33]; Office of Science, Office of
High Energy Physics, of the US Department of Energy [DE-AC02-05CH11231];
Gordon & Betty Moore Foundation; PRIN-INAF; Fundacao para a Ciencia e a
Tecnologia
FX This work is based on observations collected at the 2.2-m Telescope of
the Centro Astronomico Hispano Aleman (Calar Alto, Spain), the Italian
3.58-m Telescopio Nazionale Galileo, the 2.56-m Nordic Optical Telescope
and the 2.0-m Liverpool Telescope (La Palma, Spain), the 3.58-m New
Technology Telescope and 0.60-m Rapid Eye Mount (La Silla, Chile), the
1.82-m Copernico Telescope on Cima Ekar (Asiago, Italy) and the 2x8.2m
Large Binocular Telescope (Arizona, US). The Telescopio Nazionale
Galileo is operated by the Fundacion Galileo Galilei of the Instituto
Nazionale di Astrofisica (INAF) at the Spanish Observatorio del Roque de
los Muchachos of the Instituto de Astrofisica de Canarias. ESO
observations have been performed under programmes 083.D-0728, 083.D-0970
and 184.D-1140. We thank the support astronomers at the Telescopio
Nazionale Galileo, the 2.2-m Telescope at Calar Alto, the Nordic Optical
Telescope and the Large Binocular Telescope for performing the follow-up
observations of SN 2009dc.; This research made use of the NASA/IPAC
Extragalactic Database (NED), operated by the Jet Propulsion Laboratory,
California Institute of Technology, under contract with the National
Aeronautics and Space Administration; the Lyon-Meudon Extragalactic
Database (LEDA), supplied by the LEDA team at the Centre de Recherche
Astronomique de Lyon, Observatoire de Lyon; the Online Supernova
Spectrum Archive (SUSPECT), initiated and maintained at the Homer L.
Dodge Department of Physics and Astronomy, University of Oklahoma; and
the SMOKA archive, operated by the Astronomy Data Center, National
Astronomical Observatory of Japan. Some data used in this paper were
obtained from the SDSS. 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/. We also
benefited greatly from the information provided by the Bright Supernova
web pages (maintained by D. Bishop) as part of the Rochester Academy of
Sciences (http://www.RochesterAstronomy.org/snimages).; The authors are
indebted to the referee, D. Branch, for his constructive comments. Our
thanks go to F. K. Ropke, S. A. Sim, I. R. Seitenzahl, A. J. Ruiter, M.
Fink, I. Maurer, K. Nomoto and K. Maeda for inspiring discussions, to M.
Fink and S. Benitez Herrera for assistance with observations, and to K.
Maeda and K. Kawabata for images and spectra of SN 2006gz obtained with
the Subaru telescope. ST acknowledges support by the Transregional
Collaborative Research Centre TRR 33 'The Dark Universe' of the German
Research Foundation (DFG). MC is supported by the Director, Office of
Science, Office of High Energy Physics, of the US Department of Energy
under Contract No. DE-AC02-05CH11231 and by a grant from the Gordon &
Betty Moore Foundation. SB, FB, PAM and MT are partially supported by
the PRIN-INAF 2009 with the project 'Supernovae Variety and
Nucleosynthesis Yields'. VS acknowledges financial support from Fundacao
para a Ciencia e a Tecnologia under program Ciencia 2008. This research
has benefited from the European supernova collaboration led by SB.
NR 131
TC 89
Z9 90
U1 0
U2 7
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0035-8711
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD APR
PY 2011
VL 412
IS 4
BP 2735
EP 2762
DI 10.1111/j.1365-2966.2010.18107.x
PG 28
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 747BR
UT WOS:000289295800050
ER
PT J
AU Khazov, Y
Rodionov, A
Kondev, FG
AF Khazov, Yu
Rodionov, A.
Kondev, F. G.
TI Nuclear Data Sheets for A=133
SO NUCLEAR DATA SHEETS
LA English
DT Article
ID HALF-LIFE MEASUREMENTS; INTERNAL-CONVERSION COEFFICIENTS;
NEUTRON-DEFICIENT LANTHANUM; MAGNETIC DIPOLE-MOMENTS; PULSE-HEIGHT
CONVERTER; GAMMA-RAY INTENSITIES; OPTICAL ISOTOPE SHIFT; FIRST EXCITED
STATE; RARE-EARTH REGION; HIGH-SPIN STATES
AB Evaluated nuclear structure and decay data for all nuclei within the A=133 mass chain are presented. The experimental data are evaluated and best values for level and gamma-ray energies, quantum numbers, lifetimes, gamma-ray intensities, and other nuclear properties are recommended. Inconsistencies and discrepancies that exist in the literature are noted. This work supersedes the earlier evaluation by S. Raab (1995Ra12), published in Nuclear Data Sheets 75, 491 (1995).
C1 [Khazov, Yu; Rodionov, A.] Petersburg Nucl Phys Inst RAS, Gatchina 188300, Russia.
[Kondev, F. G.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA.
RP Khazov, Y (reprint author), Petersburg Nucl Phys Inst RAS, Gatchina 188300, Russia.
FU Russian Foundation for Basic Researches [09-07-00387-a]; Office of
Nuclear Physics, Office of Science, U.S. Department of Energy
[DE-AC02-06CH11357]
FX This work was partly supported by Russian Foundation for Basic
Researches, project 09-07-00387-a. Work at ANL is supported by the
Office of Nuclear Physics, Office of Science, U.S. Department of Energy
under contract DE-AC02-06CH11357.
NR 323
TC 15
Z9 15
U1 0
U2 7
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0090-3752
J9 NUCL DATA SHEETS
JI Nucl. Data Sheets
PD APR
PY 2011
VL 112
IS 4
BP 855
EP 1113
DI 10.1016/j.nds.2011.03.001
PG 259
WC Physics, Nuclear
SC Physics
GA 750XT
UT WOS:000289582200001
ER
PT J
AU Browne, E
Tuli, JK
AF Browne, E.
Tuli, J. K.
TI Nuclear Data Sheets for A=220
SO NUCLEAR DATA SHEETS
LA English
DT Article
ID EVEN-EVEN NUCLEI; RAY EMISSION PROBABILITIES;
GAMMA-ANGULAR-CORRELATIONS; PRODUCTION CROSS-SECTIONS;
OCTUPOLE-DEFORMED-NUCLEI; INTERACTING BOSON MODEL; ATOMIC MASS
EVALUATION; HEAVY-ION REACTIONS; DECAY PROPERTIES; COLLECTIVE STATES
AB The evaluators present in this publication spectroscopic data and level schemes from radioactive decay and nuclear reactions studies for all isobars with mass number A=220.
C1 [Browne, E.] Lawrence Berkeley Natl Lab, Upton, NY 11973 USA.
[Tuli, J. K.] Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA.
RP Browne, E (reprint author), Lawrence Berkeley Natl Lab, Upton, NY 11973 USA.
FU Office of Nuclear Physics, Office of Science, US Department of Energy
[DE-AC02-98CH10946]
FX Research sponsored by Office of Nuclear Physics, Office of Science, US
Department of Energy, under contract DE-AC02-98CH10946.
NR 141
TC 6
Z9 6
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
J9 NUCL DATA SHEETS
JI Nucl. Data Sheets
PD APR
PY 2011
VL 112
IS 4
BP 1115
EP +
DI 10.1016/j.nds.2011.03.002
PG 46
WC Physics, Nuclear
SC Physics
GA 750XT
UT WOS:000289582200002
ER
PT J
AU Boker, S
Neale, M
Maes, H
Wilde, M
Spiegel, M
Brick, T
Spies, J
Estabrook, R
Kenny, S
Bates, T
Mehta, P
Fox, J
AF Boker, Steven
Neale, Michael
Maes, Hermine
Wilde, Michael
Spiegel, Michael
Brick, Timothy
Spies, Jeffrey
Estabrook, Ryne
Kenny, Sarah
Bates, Timothy
Mehta, Paras
Fox, John
TI OpenMx: An Open Source Extended Structural Equation Modeling Framework
SO PSYCHOMETRIKA
LA English
DT Article
DE structural equation modeling; SEM; software; open source; OpenMx
AB OpenMx is free, full-featured, open source, structural equation modeling (SEM) software. OpenMx runs within the R statistical programming environment on Windows, Mac OS-X, and Linux computers. The rationale for developing OpenMx is discussed along with the philosophy behind the user interface. The OpenMx data structures are introduced-these novel structures define the user interface framework and provide new opportunities for model specification. Two short example scripts for the specification and fitting of a confirmatory factor model are next presented. We end with an abbreviated list of modeling applications available in OpenMx 1.0 and a discussion of directions for future development.
C1 [Boker, Steven] Univ Virginia, Dept Psychol, Charlottesville, VA 22903 USA.
[Neale, Michael; Maes, Hermine] Virginia Commonwealth Univ, Richmond, VA 23284 USA.
[Wilde, Michael; Kenny, Sarah] Univ Chicago, Argonne Natl Labs, Chicago, IL 60637 USA.
[Bates, Timothy] Univ Edinburgh, Edinburgh EH8 9YL, Midlothian, Scotland.
[Mehta, Paras] Univ Houston, Houston, TX 77004 USA.
[Fox, John] McMaster Univ, Hamilton, ON L8S 4L8, Canada.
RP Boker, S (reprint author), Univ Virginia, Dept Psychol, POB 400400, Charlottesville, VA 22903 USA.
EM boker@virginia.edu
RI Mehta, Paras/G-3180-2010; Brick, Timothy/C-9966-2015;
OI Mehta, Paras/0000-0002-7378-3179; Brick, Timothy/0000-0002-3339-9279;
Bates, Timothy/0000-0002-1153-9007
FU NIH [1R21DA024304-01]
FX Funding for this work was provided by NIH Grant 1R21DA024304-01. Any
opinions, findings, and conclusions or recommendations expressed in this
material are those of the authors and do not necessarily reflect the
views of the National Institutes of Health. The core development team
would also like to thank a large group of beta testers including Dorothy
Bishop, Greg Carey, Pascal Deboeck, Emilio Ferrer, Christopher Hertzog,
Kevin Grimm, Ken Kelley, Matthew Keller, Michael Kubovy, Jean-Philippe
Laurenceau, Todd Little, Diane Lickenbrock, Gitta Lubke, John J.
McArdle, Sam McQuillin, Sarah Medland, John Nesselroade, Joseph Rausch,
William Revelle, Michael Scharkow, James Steiger, Melissa Sturge-Apple,
Stephen Tueller, Jens Vogelgesang, Theodore Walls, Keith Widaman,
Timothy York. Correspondence may be addressed to Steven M. Boker,
Department of Psychology, The University of Virginia, PO Box 400400,
Charlottesville, VA 22903, USA; email sent to boker@virginia.edu; or
browsers pointed to http://openmx.psyc.virginia.edu.
NR 18
TC 430
Z9 430
U1 3
U2 50
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0033-3123
EI 1860-0980
J9 PSYCHOMETRIKA
JI Psychometrika
PD APR
PY 2011
VL 76
IS 2
BP 306
EP 317
DI 10.1007/s11336-010-9200-6
PG 12
WC Mathematics, Interdisciplinary Applications; Social Sciences,
Mathematical Methods; Psychology, Mathematical
SC Mathematics; Mathematical Methods In Social Sciences; Psychology
GA 749CJ
UT WOS:000289439400007
PM 23258944
ER
PT J
AU Clayton, D
Alivisatos, P
Finney, K
Arvizu, DE
Cugini, A
Grossenbacher, JJ
AF Clayton, Deborah
Alivisatos, Paul
Finney, Kevin
Arvizu, Dan E.
Cugini, Anthony
Grossenbacher, John J.
TI Research Insights
SO R&D MAGAZINE
LA English
DT Editorial Material
C1 [Clayton, Deborah] Argonne Natl Lab, Argonne, IL 60439 USA.
[Alivisatos, Paul] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Finney, Kevin] Global Secur & Technol Programs, Oak Ridge, TN USA.
[Arvizu, Dan E.] NREL, Golden, CO USA.
[Cugini, Anthony] NETL, Pittsburgh, PA USA.
[Grossenbacher, John J.] Idaho Natl Lab, Idaho Falls, ID USA.
RP Clayton, D (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU ADVANTAGE BUSINESS MEDIA
PI ROCKAWAY
PA 100 ENTERPRISE DR, SUITE 600, BOX 912, ROCKAWAY, NJ 07866-0912 USA
SN 0746-9179
J9 R&D MAG
JI R D Mag.
PD APR
PY 2011
VL 53
IS 2
BP 18
EP 19
PG 2
WC Engineering, Industrial; Multidisciplinary Sciences
SC Engineering; Science & Technology - Other Topics
GA 754QY
UT WOS:000289873000005
ER
PT J
AU Karim, AM
Su, Y
Engelhard, MH
King, DL
Wang, Y
AF Karim, Ayman M.
Su, Yu
Engelhard, Mark H.
King, David L.
Wang, Yong
TI Catalytic Roles of Co-0 and Co2+ during Steam Reforming of Ethanol on
Co/MgO Catalysts
SO ACS CATALYSIS
LA English
DT Article
DE ethanol steam reforming; reaction pathway; Co-0; Co2+; XPS; cobalt
oxidation state
ID SUPPORTED COBALT CATALYSTS; RAY PHOTOELECTRON-SPECTROSCOPY; FUEL-CELL
APPLICATIONS; HYDROGEN-PRODUCTION; SOLID-SOLUTIONS; CU CATALYSTS; XPS
ANALYSIS; OXIDE; TEMPERATURE; NI
AB The catalytic roles of Co-0 and Co2+ during steam reforming of ethanol Were investigated over Co/MgO catalysts. Catalysts with different Co-0/(Co-0 + Co2+) fraction were prepared through calcination and/or reduction at different temperatures, and the Co-0 fraction was quantified by temperature programmed reduction (TPR) and in situ X-ray photoelectron spectroscopy (XPS). Higher temperature calcination of Co/MgO allowed us to prepare catalysts with more nonreducible Co2+ incorporated in the MgO lattice, while lower calcination tempratures allowed for the preparation of catalysts with higher Co-0/(Co-0 + Co2+) fractions. The catalytic tests on Co-0, nonreducible Co2+, and reducible Co2+ indicated that Co-0 is much more active than either reducible or nonreducible Co2+ for C-C cleavage and water gas shift reaction. In addition, catalysts with a higher Co-0 surface fraction exhibited a lower selectivity to CH4.
C1 [Karim, Ayman M.; Su, Yu; King, David L.; Wang, Yong] Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99354 USA.
[Engelhard, Mark H.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Wang, Yong] Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA.
RP Wang, Y (reprint author), Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99354 USA.
EM yong.wang@pnl.gov
RI Engelhard, Mark/F-1317-2010; Wang, Yong/C-2344-2013; Karim,
Ayman/G-6176-2012;
OI Karim, Ayman/0000-0001-7449-542X; Engelhard, Mark/0000-0002-5543-0812
FU U. S. Department of Energy [DE-FG02-05ER15712]; Department of Energy's
Office of Biological and Environmental Research located at Pacific
Northwest National Laboratory
FX The authors would like to thank the financial support from U. S.
Department of Energy (Grant DE-FG02-05ER15712). 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.
NR 42
TC 38
Z9 38
U1 5
U2 44
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 APR
PY 2011
VL 1
IS 4
BP 279
EP 286
DI 10.1021/cs200014j
PG 8
WC Chemistry, Physical
SC Chemistry
GA 749RA
UT WOS:000289485400006
ER
PT J
AU Inoglu, N
Kitchin, JR
AF Inoglu, Nilay
Kitchin, John R.
TI Identification of Sulfur-Tolerant Bimetallic Surfaces Using DFT
Parametrized Models and Atomistic Thermodynamics
SO ACS CATALYSIS
LA English
DT Article
DE sulfur tolerance; bimetallic surface structures; electronic structure
modification; d-band width formalism; solid state table; segregation;
atomistic thermodynamics
ID DENSITY-FUNCTIONAL THEORY; TRANSITION-METALS; REPULSIVE INTERACTIONS;
PROMOTED SULFIDATION; ELECTRONIC-STRUCTURE; HYDROGEN EVOLUTION; ALLOYS;
PD; REACTIVITY; PHOTOEMISSION
AB The identification of sulfur-tolerant alloys for catalytic applications is difficult due to the combinatorially large number of alloy compositions and surface structures that may be considered. Density functional theory calculations (DFT) are not fast enough to enumerate all the possible structures and their sulfur tolerance. In this work, a DFT parametrized algebraic model that accounts for structure and composition was used to estimate the d-band properties and sulfur adsorption energies of 370 transition metal-based bimetallic alloy surfaces. The estimated properties were validated by DFT calculations for 110 of the surface structures. We then utilized an atomistic thermodynamic framework that includes surface segregation, the presence of adsorbates, and effects of environmental conditions to identify alloy compositions and structures with enhanced sulfur tolerance that are likely to be stable under the environmental conditions. As a case study, we show how this database can be used to identify sulfur tolerant Cu based catalysts and compare the results with what is known about these catalysts experimentally.
C1 [Inoglu, Nilay; Kitchin, John R.] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
[Kitchin, John R.] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Kitchin, JR (reprint author), Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
EM jkitchin@andrew.cmu.edu
RI Kitchin, John/A-2363-2010
OI Kitchin, John/0000-0003-2625-9232
FU Office of Basic Energy Science of the U.S. Department of Energy [DOE-BES
DEFG0207ER15919]
FX J.R.K. gratefully acknowledges support of this work in part by the
Office of Basic Energy Science of the U.S. Department of Energy (Grant
No. DOE-BES DEFG0207ER15919).
NR 44
TC 11
Z9 11
U1 1
U2 18
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 APR
PY 2011
VL 1
IS 4
BP 399
EP 407
DI 10.1021/cs200039t
PG 9
WC Chemistry, Physical
SC Chemistry
GA 749RA
UT WOS:000289485400020
ER
PT J
AU Peng, XH
Palma, S
Fisher, NS
Wong, SS
AF Peng, Xiaohui
Palma, Shelagh
Fisher, Nicholas S.
Wong, Stanislaus S.
TI Effect of morphology of ZnO nanostructures on their toxicity to marine
algae
SO AQUATIC TOXICOLOGY
LA English
DT Article
DE Zinc oxide; Marine diatoms; Toxicity; Morphology; Structure
ID METAL-OXIDE NANOPARTICLES; ZINC-OXIDE; PSEUDOKIRCHNERIELLA-SUBCAPITATA;
TOXICOLOGICAL IMPACT; OXIDATIVE STRESS; BULK ZNO; DISSOLUTION; SIZE;
PHYTOPLANKTON; PARTICLES
AB The influence of ZnO nanoparticle morphology on its toxicity for marine diatoms was evaluated. Four ZnO nanoparticle motifs, possessing distinctive sizes and shapes, were synthesized without adding surfactants. Diameters of ZnO spheres ranged from 6.3 nm to 15.7 nm, and lengths of rod-shaped particles were 242 nm to 862 nm. Their effects on the growth of the marine diatoms, Thalassiosira pseudonana, Chaetoceros gracilis, and Phaeodactylum tricornutum, were determined in laboratory cultures. Between 4.1 and 4.9% of the Zn from all types of nanoparticles dissolved within 72 h and was neither concentration dependent nor morphology dependent. Addition of all nanoparticles at all concentrations tested stopped growth of T. pseudonana and C. gracilis, whereas P. tricornutum was the least sensitive, with its growth rate inversely proportional to nanoparticle concentration. Bioaccumulation of Zn released from nanoparticles in T. pseudonana was sufficient to kill this diatom. The toxicity of rod-shaped particles to P. triocornutum was noted to be greater than that of the spheres. The overall results suggest that toxicity studies assessing the effects of nanoparticles on aquatic organisms need to consider both the dissolution of these particles and the cellular interaction of nanoparticle aggregates. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Peng, Xiaohui; Wong, Stanislaus S.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Palma, Shelagh; Fisher, Nicholas S.] SUNY Stony Brook, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA.
[Wong, Stanislaus S.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
RP Wong, SS (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM sswong@notes.cc.sunysb.edu
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-98CH10886]; NSF [OCE0962201]; SERDP [W912HQ06C0014]
FX Research (including ZnO synthesis work and personnel support) carried
out at Brookhaven National Laboratory was funded by the U.S. Department
of Energy, Office of Basic Energy Sciences, under contract no.
DE-AC02-98CH10886. SSW also acknowledges the Alfred P. Sloan Foundation
for support of the diffraction and microscopy work (including
experimental supplies). NSF Award OCE0962201 and SERDP Award
W912HQ06C0014 also helped to support this research. We are grateful to
the Central Microscopy Imaging Center at Stony Brook University for
access to their TEM facility and to S. van Horn for assistance with
electron microscopy.
NR 35
TC 68
Z9 71
U1 13
U2 78
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 APR
PY 2011
VL 102
IS 3-4
BP 186
EP 196
DI 10.1016/j.aquatox.2011.01.014
PG 11
WC Marine & Freshwater Biology; Toxicology
SC Marine & Freshwater Biology; Toxicology
GA 748OH
UT WOS:000289399400008
PM 21356181
ER
PT J
AU Dieckmann, J
Cooperman, A
Brodrick, J
AF Dieckmann, John
Cooperman, Alissa
Brodrick, James
TI Solid-State Cooling, Part 2
SO ASHRAE JOURNAL
LA English
DT Article
C1 [Dieckmann, John; Cooperman, Alissa] TIAX, Mech Syst Grp, Cambridge, MA USA.
[Brodrick, James] US DOE, Bldg Technol Program, Washington, DC USA.
RP Dieckmann, J (reprint author), TIAX, Mech Syst Grp, Cambridge, MA USA.
NR 8
TC 2
Z9 2
U1 0
U2 2
PU AMER SOC HEATING REFRIGERATING AIR-CONDITIONING ENG, INC,
PI ATLANTA
PA 1791 TULLIE CIRCLE NE, ATLANTA, GA 30329 USA
SN 0001-2491
EI 1943-6637
J9 ASHRAE J
JI ASHRAE J.
PD APR
PY 2011
VL 53
IS 4
BP 66
EP 68
PG 3
WC Thermodynamics; Construction & Building Technology; Engineering,
Mechanical
SC Thermodynamics; Construction & Building Technology; Engineering
GA 750WD
UT WOS:000289577900015
ER
PT J
AU Aprile, E
Angle, J
Arneodo, F
Baudis, L
Bernstein, A
Bolozdynya, A
Brusov, P
Coelho, LCC
Dahl, CE
DeViveiros, L
Ferella, AD
Fernandes, LMP
Fiorucci, S
Gaitskell, RJ
Giboni, KL
Gomez, R
Hasty, R
Kastens, L
Kwong, J
Lopes, JAM
Madden, N
Manalaysay, A
Manzur, A
McKinsey, DN
Monzani, ME
Ni, K
Oberlack, U
Orboeck, J
Orlandi, D
Plante, G
Santorelli, R
dos Santos, JMF
Shagin, P
Shutt, T
Sorensen, P
Schulte, S
Tatananni, E
Winant, C
Yamashita, M
AF Aprile, E.
Angle, J.
Arneodo, F.
Baudis, L.
Bernstein, A.
Bolozdynya, A.
Brusov, P.
Coelho, L. C. C.
Dahl, C. E.
DeViveiros, L.
Ferella, A. D.
Fernandes, L. M. P.
Fiorucci, S.
Gaitskell, R. J.
Giboni, K. L.
Gomez, R.
Hasty, R.
Kastens, L.
Kwong, J.
Lopes, J. A. M.
Madden, N.
Manalaysay, A.
Manzur, A.
McKinsey, D. N.
Monzani, M. E.
Ni, K.
Oberlack, U.
Orboeck, J.
Orlandi, D.
Plante, G.
Santorelli, R.
dos Santos, J. M. F.
Shagin, P.
Shutt, T.
Sorensen, P.
Schulte, S.
Tatananni, E.
Winant, C.
Yamashita, M.
TI Design and performance of the XENON10 dark matter experiment
SO ASTROPARTICLE PHYSICS
LA English
DT Article
DE Dark matter; Direct detection; Liquid xenon; Time projection chamber
ID LIQUID XENON; NEUTRON-FLUX; GRAN-SASSO; SCINTILLATION; DETECTORS; ARGON;
PHASE; LIGHT
AB XENON10 is the first two-phase xenon time projection chamber (TPC) developed within the XENON dark matter search program. The TPC, with an active liquid xenon (LXe) mass of about 14 kg, was installed at the Gran Sasso Underground Laboratory (LNGS) in Italy, and operated for more than one year, with excellent stability and performance. Results from a dark matter search with XENON10 have been published elsewhere. In this paper, we summarize the design and performance of the detector and its subsystems, based on calibration data using sources of gamma-rays and neutrons as well as background and Monte Carlo simulation data. The results on the detector's energy threshold, position resolution, and overall efficiency show a performance that exceeds design specifications, in view of the very low energy threshold achieved (< 10 keVr) and low background rate achieved. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Aprile, E.; Giboni, K. L.; Monzani, M. E.; Ni, K.; Plante, G.; Santorelli, R.; Yamashita, M.] Columbia Univ, Dept Phys, New York, NY 10027 USA.
[Angle, J.; Baudis, L.; Manalaysay, A.] Univ Florida, Dept Phys, Gainesville, FL 32611 USA.
[Angle, J.; Baudis, L.; Manalaysay, A.; Orboeck, J.; Schulte, S.] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland.
[Arneodo, F.; Ferella, A. D.; Orlandi, D.; Tatananni, E.] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Assergi, Italy.
[Bernstein, A.; Madden, N.; Winant, C.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Bolozdynya, A.; Brusov, P.; Dahl, C. E.; Kwong, J.; Shutt, T.] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA.
[Coelho, L. C. C.; Fernandes, L. M. P.; Lopes, J. A. M.; dos Santos, J. M. F.] Univ Coimbra, Dept Phys, P-3004516 Coimbra, Portugal.
[Dahl, C. E.; Kwong, J.] Princeton Univ, Dept Phys, Princeton, NJ 08540 USA.
[DeViveiros, L.; Fiorucci, S.; Gaitskell, R. J.; Sorensen, P.] Brown Univ, Dept Phys, Providence, RI 02912 USA.
[Gomez, R.; Oberlack, U.; Shagin, P.] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA.
[Hasty, R.; Kastens, L.; Manzur, A.; McKinsey, D. N.] Yale Univ, Dept Phys, New Haven, CT 06511 USA.
RP Ni, K (reprint author), Shanghai Jiao Tong Univ, Dept Phys, Shanghai, Peoples R China.
EM nikx@sjtu.edu.cn
RI Fiorucci, Stefano/I-1251-2012; Arneodo, Francesco/B-8076-2013; de
Viveiros, Luiz/M-9205-2013; matias-lopes, jose/H-6074-2012; dos Santos,
Joaquim/B-3058-2015; Coelho, Luis/D-9295-2014; Arneodo,
Francesco/E-5061-2015; Fernandes, Luis/E-2372-2011; Santorelli,
Roberto/L-6017-2015; Coelho, Luis/F-4493-2012;
OI Arneodo, Francesco/0000-0002-1061-0510; de Viveiros,
Luiz/0000-0002-7038-2361; matias-lopes, jose/0000-0002-6366-2963;
Coelho, Luis/0000-0001-6205-9479; Arneodo,
Francesco/0000-0002-1061-0510; Fernandes, Luis/0000-0002-7061-8768;
Santorelli, Roberto/0000-0002-0012-2644; Coelho,
Luis/0000-0001-6205-9479; Baudis, Laura/0000-0003-4710-1768; dos Santos,
Joaquim Marques Ferreira/0000-0002-8841-6523; Ferella, Alfredo
Davide/0000-0002-6006-9160
FU National Science Foundation [PHY-03-02646, PHY-04-00596]; Department of
Energy [DE-FG02-91ER40688]; CAREER [PHY-0542066]; Volkswagen Foundation
(Germany); FCT, (Portugal) [POCI/FIS/60534/2004]
FX This work was supported by the National Science Foundation under Grants
Nos. PHY-03-02646 and PHY-04-00596, and by the Department of Energy
under Contract No. DE-FG02-91ER40688, the CAREER Grant No. PHY-0542066,
the Volkswagen Foundation (Germany) and the FCT Grant No.
POCI/FIS/60534/2004 (Portugal). We thank the Director of the Gran Sasso
National Laboratory, Prof. E. Coccia, and his staff for support
throughout this effort. Special thanks go to the laboratory's
engineering team, led by P. Aprili, and to F. Redaelli of COMASUD for
their contribution to the XENON10 installation. We are also thankful to
Prof. Tom Haruyama for his contribution to the XENON10 cryogenics system
and Dr. M. Laubenstein for the radioactivity screening of several XENON
10 materials, especially the PMTs.
NR 45
TC 44
Z9 46
U1 1
U2 16
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-6505
J9 ASTROPART PHYS
JI Astropart Phys.
PD APR
PY 2011
VL 34
IS 9
BP 679
EP 698
DI 10.1016/j.astropartphys.2011.01.006
PG 20
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 747OK
UT WOS:000289329100005
ER
PT J
AU Cheng, G
Varanasi, P
Li, CL
Liu, HB
Menichenko, YB
Simmons, BA
Kent, MS
Singh, S
AF Cheng, Gang
Varanasi, Patanjali
Li, Chenlin
Liu, Hanbin
Menichenko, Yuri B.
Simmons, Blake A.
Kent, Michael S.
Singh, Seema
TI Transition of Cellulose Crystalline Structure and Surface Morphology of
Biomass as a Function of Ionic Liquid Pretreatment and Its Relation to
Enzymatic Hydrolysis
SO BIOMACROMOLECULES
LA English
DT Article
ID NEUTRON FIBER DIFFRACTION; HYDROGEN-BONDING SYSTEM; X-RAY-DIFFRACTION;
LIGNOCELLULOSIC BIOMASS; THERMAL-EXPANSION; NATIVE CELLULOSE; CELL-WALL;
I-BETA; SWITCHGRASS; SACCHARIFICATION
AB Cellulose is inherently resistant to breakdown, and:the native crystalline structure (cellulose I) of cellulose is considered to be one of the major factors limiting its potential in terms of cost-competitive lignocellulosic biofuel production. Here we report the impact of ionic liquid pretreatment on the cellulose crystalline structure in different feedstocks including microcrystalline cellulose (Avicel), switchgrass (Panicum virgatum), pine (Pinus radiata); and eucalyptus (Eucalyptus globulus), and its influence on cellulose. hydrolysis kinetics of the resultant biomass. These feedstocks were pretreated using 1-ethyl-3-methyl imidazolium acetate ([C2mim][OAc) at 120 and 160 degrees C for 1,3,6, and 12 h. The influence of the pretreatment. conditions on the cellulose crystalline structure was analyzed by X-ray diffraction (XRD). On a. larger length scale, the impact of ionic liquid pretreatment on the surface roughness of the biomass was determined by small-angle neutron scattering (SANS). Pretreatment resulted in a loss of native cellulose crystalline structure. However, the transformation processes were distinctly different for Avicel and for the biomass samples. For Avicel, a transformation to cellulose II occurred Oral! processing conditions For the biomass samples, the data suggest that pretreatment for most conditions resulted in an expanded cellulose I lattice. For switchgrass, first evidence of cellulase II only Occurred after 12 h of pretreatment at 120 degrees C. For eucalyptus, first evidence of cellulose II required, more intense pretreatment (3 hat 160 degrees C). For pine, no-clear evidence of cellulose II content was detected for the most intense pretreatment conditions of this:study (12 h at 160 degrees C). Interestingly, the rate of enzymatic hydrolysis of Avicel was slightly lower for pretreatment at 160 degrees C compared with pretreatment at 120 degrees C. For the biomass samples, the hydrolysis rate was much greater for pretreatment at 160 degrees C compared with pretreatment at 120 degrees C. The result for Avicel can be explained by more complete conversion to cellulose II upon precipitation after pretreatment at 160 degrees C. By comparison, the result for the biomass samples suggests that another factor, likely lignin carbohydrate complexes, also impacts the rate of cellulose hydrolysis in addition to cellulose Crystallinity.
C1 [Cheng, Gang; Varanasi, Patanjali; Li, Chenlin; Liu, Hanbin; Simmons, Blake A.; Kent, Michael S.; Singh, Seema] Joint BioEnergy Inst, Emeryville, CA USA.
[Cheng, Gang; Varanasi, Patanjali; Li, Chenlin; Liu, Hanbin; Simmons, Blake A.; Kent, Michael S.; Singh, Seema] Sandia Natl Labs, Livermore, CA USA.
[Cheng, Gang; Varanasi, Patanjali; Li, Chenlin; Liu, Hanbin; Simmons, Blake A.; Kent, Michael S.; Singh, Seema] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Menichenko, Yuri B.] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN USA.
RP Singh, S (reprint author), Joint BioEnergy Inst, Emeryville, CA USA.
EM seesing@sandia.gov
OI Li, Chenlin/0000-0002-0793-0505; Simmons, Blake/0000-0002-1332-1810
FU U.S. Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; Scientific User Facilities
Division, Office of Basic Energy Sciences, U.S. Department of Energy
FX We thank Drs. Cheng Wang, Alexander Hexemer, and Mr. Alejandro Cruz
Gonzalez for helping with tests at the Advanced Light Source of LBL. We
thank Dr. Paul Adams (LBL) for reviewing the manuscript, Professor
Sunkyu Park (North Carolina State University) for helpful discussions,
and Mr. Miles Clift (Sandia National Laboratories) for assisting with
XRD measurements. This work was part of the DOE Joint BioEnergy
Institute (http://www.jbei.org) supported by 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. This research at
Oak Ridge National Laboratory's High Flux Isotope Reactor was sponsored
by the Scientific User Facilities Division, Office of Basic Energy
Sciences, U.S. Department of Energy. G.C. acknowledges the EPSCoR
Neutron Travel Fellowship through University of Tennessee.
NR 47
TC 170
Z9 175
U1 17
U2 118
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1525-7797
J9 BIOMACROMOLECULES
JI Biomacromolecules
PD APR
PY 2011
VL 12
IS 4
BP 933
EP 941
DI 10.1021/bm101240z
PG 9
WC Biochemistry & Molecular Biology; Chemistry, Organic; Polymer Science
SC Biochemistry & Molecular Biology; Chemistry; Polymer Science
GA 746DT
UT WOS:000289223500010
PM 21361369
ER
PT J
AU Yoo, SY
Kobayashi, M
Lee, PP
Lee, SW
AF Yoo, So Young
Kobayashi, Masae
Lee, Phin Peng
Lee, Seung-Wuk
TI Early Osteogenic Differentiation of Mouse Preosteoblasts Induced by
Collagen-Derived DGEA-Peptide on Nanofibrous Phage Tissue Matrices
SO BIOMACROMOLECULES
LA English
DT Article
ID CELL-ADHESION; EXTRACELLULAR-MATRIX; FILAMENTOUS PHAGE; OSTEOBLASTIC
DIFFERENTIATION; SOFT LITHOGRAPHY; MAMMALIAN-CELLS; I COLLAGEN;
NANOSCALE; BINDING; VIRUS
AB Specific biochemical and physical cues in tissue extracellular matrices play a critical role in regulating cellular growth processes and their fate. We report initial responses of bone stem cells induced by collagen-derived DGEA-peptides on nanofibrous M13 phage tissue matrices. We constructed genetically engineered M13 phage with DGEA-peptide displayed in high density on the major coat proteins and biomimetic nanofibrous tissue-like matrices in two and three dimensions. We investigated the effects of biochemical. Cues, specifically DGEA-peptides on preosteoblast (MC3T3) morphologies. The preosteoblasts grown on the top of the DGEA-incorporated Phage matrices exhibited significant outgrown morphology with early bone cell marker protein expression. Through soluble. peptide competition assays and control experiments, we verified that the observed cellular morphologies and osteogenic protein marker expression were specifically caused by the DGEA-peptides. We confirmed that the outgrown morphologies are linked with the early phase of osteogenic protein expression. through mRNA quantification and bone cell protein marker expression. Additionally, we demonstrated-that the phage-based tissue matrix systems could work as a good cell culture platform to investigate the specific effect of biochemical cues, which can be tuned, precisely at a single amino acid level with little change in other physical and chemical properties of the environment. Our study advances the understanding of osteogenic. differentiation and our phage-based tissue matrices have the potential for future bone regeneration therapy and systemic investigation of specific cellular responses to biochemical ligand stimulation.
C1 [Yoo, So Young; Kobayashi, Masae; Lee, Phin Peng; Lee, Seung-Wuk] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley Nanosci & Nanoengn Inst, Berkeley, CA 94720 USA.
RP Lee, SW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley Nanosci & Nanoengn Inst, Berkeley, CA 94720 USA.
EM leesw@berkeley.edu
FU Hellman Family Faculty Fund; Berkeley Nanoscience and Nanoengineering
Institute at the University of California, Berkeley; Lawrence Berkeley
National Laboratory
FX This work was supported by the Hellman Family Faculty Fund (S.-W.L.),
start-up funds from the Berkeley Nanoscience and Nanoengineering
Institute at the University of California, Berkeley (S.-W.L.), and the
Laboratory Directed Research and Development fund from the Lawrence
Berkeley National Laboratory.
NR 63
TC 33
Z9 37
U1 1
U2 22
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 APR
PY 2011
VL 12
IS 4
BP 987
EP 996
DI 10.1021/bm1013475
PG 10
WC Biochemistry & Molecular Biology; Chemistry, Organic; Polymer Science
SC Biochemistry & Molecular Biology; Chemistry; Polymer Science
GA 746DT
UT WOS:000289223500016
PM 21344869
ER
PT J
AU Moore, HM
Kelly, A
Jewell, SD
McShane, LM
Clark, DP
Greenspan, R
Hainaut, P
Hayes, DF
Kim, P
Mansfield, E
Potapova, O
Riegman, P
Rubinstein, Y
Seijo, E
Somiari, S
Watson, P
Weier, HU
Zhu, C
Vaught, J
AF Moore, Helen M.
Kelly, Andrea
Jewell, Scott D.
McShane, Lisa M.
Clark, Douglas P.
Greenspan, Renata
Hainaut, Pierre
Hayes, Daniel F.
Kim, Paula
Mansfield, Elizabeth
Potapova, Olga
Riegman, Peter
Rubinstein, Yaffa
Seijo, Edward
Somiari, Stella
Watson, Peter
Weier, Heinz-Ulrich
Zhu, Claire
Vaught, Jim
TI Biospecimen Reporting for Improved Study Quality
SO BIOPRESERVATION AND BIOBANKING
LA English
DT Article
ID PARAFFIN-EMBEDDED TISSUES; FLIGHT-MASS-SPECTROMETRY; APPROACHING
CLINICAL PROTEOMICS; GENE-EXPRESSION PROFILES; NEEDLE-ASPIRATION BIOPSY;
HUMAN POSTMORTEM TISSUES; LONG-TERM STORAGE; MESSENGER-RNA; HUMAN BRAIN;
MICROARRAY ANALYSIS
AB Human biospecimens are subject to a number of different collection, processing, and storage factors that can significantly alter their molecular composition and consistency. These biospecimen preanalytical factors, in turn, influence experimental outcomes and the ability to reproduce scientific results. Currently, the extent and type of information specific to the biospecimen preanalytical conditions reported in scientific publications and regulatory submissions varies widely. To improve the quality of research utilizing human tissues, it is critical that information regarding the handling of biospecimens be reported in a thorough, accurate, and standardized manner. The Biospecimen Reporting for Improved Study Quality recommendations outlined herein are intended to apply to any study in which human biospecimens are used. The purpose of reporting these details is to supply others, from researchers to regulators, with more consistent and standardized information to better evaluate, interpret, compare, and reproduce the experimental results. The Biospecimen Reporting for Improved Study Quality guidelines are proposed as an important and timely resource tool to strengthen communication and publications around biospecimen-related research and help reassure patient contributors and the advocacy community that the contributions are valued and respected.
C1 [Moore, Helen M.; Vaught, Jim] NCI, Off Biorepositories & Biospecimen Res, NIH, Dept Hlth & Human Serv, Rockville, MD 20852 USA.
[Kelly, Andrea] Rose Li & Associates Inc, Brookeville, MD USA.
[Jewell, Scott D.] Van Andel Res Inst, Program Biospecimen Sci, Grand Rapids, MI USA.
[McShane, Lisa M.] NCI, Biometr Res Branch, Rockville, MD USA.
[Clark, Douglas P.] Johns Hopkins Univ Hosp, Div Cytopathol, Baltimore, MD 21287 USA.
[Greenspan, Renata] Walter Reed Army Med Ctr, USMCI, Washington, DC 20307 USA.
[Hainaut, Pierre] WHO, Int Agcy Res Canc, Lyon, France.
[Hayes, Daniel F.] Univ Michigan, Ctr Comprehens Canc, Breast Canc Res, Breast Oncol Program, Ann Arbor, MI 48109 USA.
[Kim, Paula] TRAC Translating Res Communities, Green Cove Springs, FL USA.
[Mansfield, Elizabeth] Ctr Devices & Radiol Hlth, CDRH Off Vitro Diagnost Device Evaluat & Safety, Silver Spring, MD USA.
[Potapova, Olga] Cureline Inc, San Francisco, CA USA.
[Riegman, Peter] Erasmus MC Tissue Bank, Rotterdam, Netherlands.
[Rubinstein, Yaffa] NIH, Off Rare Dis Res, Rockville, MD USA.
[Seijo, Edward] H Lee Moffitt Canc Ctr & Res Inst, Tampa, FL USA.
[Somiari, Stella] Windber Res Inst, Windber, PA USA.
[Watson, Peter] Univ British Columbia, Dept Pathol & Lab Med, Victoria, BC, Canada.
[Weier, Heinz-Ulrich] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
[Zhu, Claire] NCI, Canc Prevent Div, Rockville, MD USA.
RP Vaught, J (reprint author), NCI, Off Biorepositories & Biospecimen Res, NIH, Dept Hlth & Human Serv, 11400 Rockville Pike,Suite 700, Rockville, MD 20852 USA.
EM vaughtj@mail.nih.gov
RI Hainaut, Pierre /B-6018-2012
OI Hainaut, Pierre /0000-0002-1303-1610
FU NCI, National Institutes of Health [HHSN261200800001E]; NIH [CA136685];
Lawrence Berkeley National Laboratory [DE-AC002-05CH11231]
FX This project has been funded in whole or in part with Federal Funds from
the NCI, National Institutes of Health, under contract no.
HHSN261200800001E and by NIH grant CA136685 (HUW) carried out at the
Lawrence Berkeley National Laboratory under contract DE-AC002-05CH11231.
The content of this publication does not necessarily reflect the views
or policies of the Department of Health and Human Services, and mention
of trade names, commercial products, or organizations does not imply
endorsement by the U.S. Government.
NR 81
TC 49
Z9 49
U1 2
U2 6
PU MARY ANN LIEBERT INC
PI NEW ROCHELLE
PA 140 HUGUENOT STREET, 3RD FL, NEW ROCHELLE, NY 10801 USA
SN 1947-5535
J9 BIOPRESERV BIOBANK
JI Biopreserv. Biobank.
PD APR
PY 2011
VL 9
IS 1
BP 57
EP 70
DI 10.1089/bio.2010.0036
PG 14
WC Cell Biology; Chemistry, Applied; Medical Laboratory Technology
SC Cell Biology; Chemistry; Medical Laboratory Technology
GA 751KS
UT WOS:000289617000010
ER
PT J
AU Ashworth, SP
Reagor, DW
AF Ashworth, S. P.
Reagor, D. W.
TI A novel cooling scheme for superconducting power cables
SO CRYOGENICS
LA English
DT Article
DE Superconducting; Cable; Cooling
ID LIQUID-NITROGEN; ORIFICES; FLOW
AB Long distance transmission of electrical power with superconducting cables is likely necessary for energy conservation and effective utilization of renewable energy sources. The performance and cost of such superconducting lines is as significantly influenced by cryogenic issues as by superconductor performance. One significant cryogenic issue is that in the usual method of cooling using sub-cooled cryogen flow there is a limited cable length before the cryogen needs to be re-cooled. This adds complexity and cost to the cable system. Here we address this problem by utilizing the latent heat of the cryogen without the complication of multi-phase flow. The cryogen is distributed to the superconducting components by spraying it through small holes in a pressurized line. The pressurized liquid exiting the holes turns into mixed liquid and vapor with a temperature near the boiling point of the cryogen at the pressure of the space surrounding the superconducting components. The pressure in the space surrounding the superconducting components is then kept near atmospheric by maintaining short distances to a vent. The sprayed liquid accumulates but rapidly vaporizes in response to the heat load, providing even cooling power at a fixed temperature for the entire length of the line. Our work indicates that it may be possible to implement a cooling system with much simplified cryogenic stations at the cable ends and allowing cable lengths of up to 100 km with no intermediate cooling stations. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Ashworth, S. P.; Reagor, D. W.] Los Alamos Natl Lab, Superconductiv Technol Ctr, Los Alamos, NM 87545 USA.
RP Ashworth, SP (reprint author), Los Alamos Natl Lab, Superconductiv Technol Ctr, POB 1663, Los Alamos, NM 87545 USA.
EM ashworth@lanl.gov
FU US Department of Energy, Office of Electricity Delivery and Energy
Reliability
FX The authors gratefully acknowledge technical support from Russ Mortensen
of Los Alamos National Laboratory. This Project was supported by the US
Department of Energy, Office of Electricity Delivery and Energy
Reliability.
NR 7
TC 5
Z9 5
U1 1
U2 5
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 APR
PY 2011
VL 51
IS 4
BP 161
EP 167
DI 10.1016/j.cryogenics.2011.01.001
PG 7
WC Thermodynamics; Physics, Applied
SC Thermodynamics; Physics
GA 749HJ
UT WOS:000289454700002
ER
PT J
AU McWhorter, S
Read, C
Ordaz, G
Stetson, N
AF McWhorter, Scott
Read, Carole
Ordaz, Grace
Stetson, Ned
TI Materials-based hydrogen storage: Attributes for near-term, early market
PEM fuel cells
SO CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE
LA English
DT Review
DE Hydrogen storage; Hydrogen storage review; Metal hydrides; Chemical
hydrides; Chemical hydrogen storage; Nanostructured materials; High
surface area adsorbents; Sorbents; PEM fuel cells; Near-term markets
ID METAL-ORGANIC FRAMEWORKS; AMMONIA-BORANE; THERMAL-DECOMPOSITION;
ALUMINUM HYDRIDES; COMPLEX HYDRIDES; GAS-ADSORPTION; H SYSTEM;
GENERATION; SPILLOVER; LIBH4
AB Although hydrogen is widely recognized as a promising energy carrier for the transportation sector, widespread adoption of hydrogen and fuel cell technologies depends critically on the ability to store hydrogen at adequate densities, as well as release hydrogen at sufficient rates (among other requirements) to meet PEM fuel cell power plant requirements. At present, no known material or storage means exists that satisfies all requirements to enable high-volume automotive application, however materials do exist that would satisfy requirements for near-term non-vehicular PEM fuel cell applications. The US DOE recognizes that non-vehicular early market applications are the most likely paths for the successful demonstration and application of material-based hydrogen storage technology. In this review, we provide a practical overview of the most probable near-term PEM fuel cell markets as identified through market reviews with an emphasis on the attributes of the relevant materials-based hydrogen storage for those near-term markets. Published by Elsevier Ltd.
C1 [McWhorter, Scott; Read, Carole; Ordaz, Grace; Stetson, Ned] US DOE, Fuel Cell Technol Program, Washington, DC 20585 USA.
[McWhorter, Scott] Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Stetson, N (reprint author), US DOE, Fuel Cell Technol Program, 1000 Independence Ave SW, Washington, DC 20585 USA.
EM ned.stetson@ee.doe.gov
NR 95
TC 52
Z9 52
U1 5
U2 72
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-0286
EI 1879-0348
J9 CURR OPIN SOLID ST M
JI Curr. Opin. Solid State Mat. Sci.
PD APR
PY 2011
VL 15
IS 2
BP 29
EP 38
DI 10.1016/j.cossms.2011.02.001
PG 10
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Condensed Matter
SC Materials Science; Physics
GA 750XJ
UT WOS:000289581200001
ER
PT J
AU Ronnebro, E
AF Roennebro, Ewa
TI Development of group II borohydrides as hydrogen storage materials
SO CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE
LA English
DT Review
DE Group II borohydrides; Mg(BH4)(2); Ca(BH4)(2); Hydrogen storage
ID WELL-CRYSTALLIZED MG(BH4)(2); CALCIUM BOROHYDRIDE; MAGNESIUM
BOROHYDRIDE; THERMAL-DECOMPOSITION; METAL BOROHYDRIDES; CA(BH4)(2);
REVERSIBILITY; DIFFRACTION; LIBH4; PHASE
AB The group II alkaline-earth metal borohydrides, Mg(BH4)(2) and Ca(BH4)(2) are among the most promising materials for light-weight, high-capacity hydrogen storage. Five years ago, little were known about the potential of these materials for reversible hydrogen storage, except for their high hydrogen content of 14.9 wt% and 11.6 wt% respectively. Theory predicted nearly ideal thermodynamics, but finding competing decomposition pathways with formation of very stable phases which limits cycle life. Solid-state synthesis routes have been developed and crystal structures and decomposition products have been identified as well as methods to improve hydrogen sorption performance including catalysis and nanoscience. Reversibility was demonstrated for both materials at high pressures and temperatures. We will here review recent progress and discuss challenges and future pathways towards applications. (C) 2010 Elsevier Ltd. All rights reserved.
C1 Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Ronnebro, E (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
EM ewa.ronnebro@pnl.gov
FU DOE, Office of Energy Efficiency and Renewable Energy (EERE); Hydrogen
Storage Grand Challenge, Center of Excellences, within DOE
[FY2005-FY2010]
FX The author received funding from the DOE, Office of Energy Efficiency
and Renewable Energy (EERE) during the past five years, FY2005-FY2010,
as part of the Hydrogen Storage Grand Challenge, Center of Excellences,
within DOE's National Hydrogen Storage Program. Pacific Northwest
National Laboratory is operated for US Department of Energy (DOE) by
Battelle.
NR 57
TC 43
Z9 45
U1 2
U2 57
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-0286
J9 CURR OPIN SOLID ST M
JI Curr. Opin. Solid State Mat. Sci.
PD APR
PY 2011
VL 15
IS 2
BP 44
EP 51
DI 10.1016/j.cossms.2010.10.003
PG 8
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Condensed Matter
SC Materials Science; Physics
GA 750XJ
UT WOS:000289581200003
ER
PT J
AU Bowden, M
Autrey, T
AF Bowden, Mark
Autrey, Tom
TI Characterization and mechanistic studies of the dehydrogenation of
NHxBHx materials
SO CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE
LA English
DT Review
DE Energy storage; Chemical hydrogen storage
ID CHEMICAL HYDROGEN STORAGE; N-H COMPOUNDS; AMMONIA-BORANE;
THERMAL-DECOMPOSITION; AB-INITIO; THERMODYNAMIC PROPERTIES;
ELECTRONIC-STRUCTURE; MOLECULAR-DYNAMICS; NEUTRON-SCATTERING;
ORTHORHOMBIC PHASE
AB In this review we cover the recent developments providing insight into the chemical and physical properties for a series of hydrogen-rich nitrogen-boron-hydrogen materials that are of interest as energy storage media for fuel cell power applications. These materials, ammonium borohydride (ABH(2), [NH4][BH4]; 240 g H-2/kg; 165 g/l), ammonia borane (AB, [NH3BH3]; 196 g H-2/kg; 147 g/l) and diammoniate of diborane (DADB, (NH3BH2NH3][BH4]; 196 g H-2/kg; ca. 151 g/l), release hydrogen by a series of moderately exothermic reaction pathways. The advantage of these materials is that hydrogen release is kinetically controlled and occurs at relatively low temperatures and moderate pressures. The challenges are devising economical pathways to regenerate the fully charged hydrogen storage materials off board and understanding and controlling the formation of volatile impurities that decrease the purity of the hydrogen available for polymer electrolyte membrane fuel cell applications. The focus of this review is on the solid phase ABH(2), AB and DADB materials to complement the coverage of AB in other recent review articles (Stephens et al. [1]; Marder [2]). Additional discussion is given on the decomposition products of these materials, polyaminoborane (PAB, [NH2BH2](n)) and polyiminoborane (PIB, [NHBH](n)). The article is organized into three sections: (i) Synthesis and structural characterization; (ii) Kinetics and thermodynamics of hydrogen release and (iii) Outstanding challenges for breakthroughs. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Bowden, Mark; Autrey, Tom] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Autrey, T (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM tom.autrey@pnl.gov
FU US Department of Energy Basic Energy Sciences' Chemical Sciences,
Geosciences & Biosciences Division; EMSL; Department of Energy's Office
of Biological and Environmental Research and located at Pacific
Northwest National Laboratory
FX This work was supported by the US Department of Energy Basic Energy
Sciences' Chemical Sciences, Geosciences & Biosciences Division. The
authors also wish to acknowledge the support of 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. Pacific Northwest National Laboratory is
operated by Battelle for the US Department of Energy.
NR 72
TC 25
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U1 3
U2 54
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-0286
EI 1879-0348
J9 CURR OPIN SOLID ST M
JI Curr. Opin. Solid State Mat. Sci.
PD APR
PY 2011
VL 15
IS 2
BP 73
EP 79
DI 10.1016/j.cossms.2011.01.005
PG 7
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Condensed Matter
SC Materials Science; Physics
GA 750XJ
UT WOS:000289581200006
ER
PT J
AU Scown, CD
Horvath, A
McKone, TE
AF Scown, Corinne D.
Horvath, Arpad
McKone, Thomas E.
TI Water Footprint of U.S. Transportation Fuels
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID ENERGY; INTENSITY; IMPACTS; LCA
AB In the modern global economy, water and energy are fundamentally connected. Water already plays a major role in electricity generation and, with biofuels and electricity poised to gain a significant share of the transportation fuel market, water will become significantly more important for transportation energy as well. This research provides insight into the potential changes in water use resulting from increased biofuel or electricity production for transportation energy, as well as the greenhouse gas and freshwater implications. It is shown that when characterizing the water impact of transportation energy, incorporating indirect water use and defensible allocation techniques have a major impact on the final results, with anywhere between an 82% increase and a 250% decrease in the water footprint if evaporative losses from hydroelectric power are excluded. The greenhouse gas impact results indicate that placing cellulosic biorefineries in areas where water must be supplied using alternative means, such as desalination, wastewater recycling, or importation can increase the fuel's total greenhouse gas footprint by up to 47%. The results also show that the production of ethanol and petroleum fuels burden already overpumped aquifers, whereas electricity production is far less dependent on groundwater.
C1 [Scown, Corinne D.; Horvath, Arpad] Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
[McKone, Thomas E.] Univ Calif Berkeley, Sch Publ Hlth, Berkeley, CA 94720 USA.
[McKone, Thomas E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Scown, CD (reprint author), Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
EM corinne.scown@gmail.com
RI Scown, Corinne/D-1253-2013
FU National Science Foundation; Energy Biosciences Institute at UC
Berkeley; California Energy Commission [MR-06-08]; University of
California (UC); California Energy Commission (Energy Commission)
FX C.S. acknowledges the financial support of the National Science
Foundation Graduate Research Fellowship. T.M. acknowledges the financial
support of the Energy Biosciences Institute at UC Berkeley. The
contributions of A.H. and C.S. to this material are based upon work
supported by the California Energy Commission under contract MR-06-08.
Parts of this report were prepared as a result of work by A.H. and C.S.
sponsored by the California Energy Commission (Energy Commission) and
the University of California (UC). It does not necessarily represent the
views of the Energy Commission, UC, their employees, or the State of
California. The Energy Commission, the State of California, its
employees, and UC make no warranty, express or implied, and assume no
legal responsibility for the information in this report; nor does any
party represent that the use of this information will not infringe upon
privately owned rights. This report has not been approved or disapproved
by the Energy Commission or UC, nor has the Energy Commission or UC
passed upon the accuracy of the information in this report.
NR 46
TC 45
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U1 6
U2 42
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 APR 1
PY 2011
VL 45
IS 7
BP 2541
EP 2553
DI 10.1021/es102633h
PG 13
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 741CU
UT WOS:000288841500010
PM 21405015
ER
PT J
AU Powell, BA
Dai, ZR
Zavarin, M
Zhao, PH
Kersting, AB
AF Powell, Brian A.
Dai, Zurong
Zavarin, Mavrik
Zhao, Pihong
Kersting, Annie B.
TI Stabilization of Plutonium Nano-Colloids by Epitaxial Distortion on
Mineral Surfaces
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID NEVADA TEST-SITE; SUBSURFACE ENVIRONMENT; OXIDE; SOLUBILITY; TRANSPORT;
HYDROLYSIS; SPECIATION; ACTINIDES; CHEMISTRY; DIOXIDE
AB The subsurface migration of Pu may be enhanced by the presence of colloidal forms of Pu. Therefore, complete evaluation of the risk posed by subsurface Pu contamination needs to include a detailed physical/chemical understanding of Pu colloid formation and interactions of Pu colloids with environmentally relevant solid phases. Transmission electron microscopy (TEM) was used to characterize Pu nanocolloids and interactions of Pu nanocolloids with goethite and quartz.. We report that intrinsic Pu nanocolloids generated in the absence of goethite or quartz were 2-5 nm in diameter, and both electron diffraction analysis and HRTEM confirm the expected Fm3m space group with the fcc, PuO2 structure. Plutonium nanocolloids formed on goethite have undergone a lattice distortion relative to the ideal fluorite-type structure, fcc, PuO2, resulting in the formation of a bcc, Pu4O7 structure. This structural distortion results from an epitaxial growth of the plutonium colloid on goethite, leading to stronger binding of plutonium to goethite compared with other minerals such as quartz, where the distortion was not observed. This finding provides new insight for understanding how molecular-scale behavior at the mineral-water interface may facilitate transport of plutonium at the field scale.
C1 [Powell, Brian A.] Clemson Univ, Anderson, SC 29625 USA.
[Dai, Zurong; Zavarin, Mavrik; Zhao, Pihong; Kersting, Annie B.] Lawrence Livermore Natl Lab, Glenn T Seaborg Inst, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
RP Powell, BA (reprint author), Clemson Univ, 342 Comp Court, Anderson, SC 29625 USA.
EM bpowell@clemson.edu
RI Powell, Brian /C-7640-2011
OI Powell, Brian /0000-0003-0423-0180
FU U.S. Department of Energy's Office of Biological and Environmental
Research
FX Prepared by LLNL under Contract DE-AC52-07NA27344. This work was
supported by the Subsurface Biogeochemical Research Program of the U.S.
Department of Energy's Office of Biological and Environmental Research.
NR 30
TC 55
Z9 55
U1 6
U2 73
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 APR 1
PY 2011
VL 45
IS 7
BP 2698
EP 2703
DI 10.1021/es1033487
PG 6
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 741CU
UT WOS:000288841500031
PM 21446768
ER
PT J
AU Boggs, MA
Minton, T
Dong, WM
Lomasney, S
Islam, MR
Gu, BH
Wall, NA
AF Boggs, Mark A.
Minton, Travis
Dong, Wenming
Lomasney, Samuel
Islam, Mohammed R.
Gu, Baohua
Wall, Nathalie A.
TI Interactions of Tc(IV) with Humic Substances
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID CONDITIONAL INTERACTION CONSTANT; TECHNETIUM REDUCTION; THERMODYNAMIC
MODEL; IONIC-STRENGTH; COMPLEXATION; SOLUBILITY; SPECTROSCOPY;
QUANTIFICATION; DISSOLUTION; SEDIMENTS
AB To understand the key processes affecting Tc-99 mobility in the subsurface and help with the remediation of contaminated sites, the binding constants of several humic substances (humic and fulvic acids) with Tc(IV) were determined, using a solvent extraction technique. The novelty of this paper lies in the determination of the binding constants of the complexes formed with the individual species TcO(OH)(+) and TcO(OH)(2)(0). Binding constants were found to be 6.8 and between 3.9 and 4.3, for log beta(1,-1,1) and log beta(1,-2,1), respectively; these values were little modified by a change of ionic strength, in most cases, between 0.1 and 1.0 M, nor were they by the nature and origin of the humic substances. Modeling calculations based on these show TcO(OH) - HA to be the predominant complex in a system containing 20 ppm HA and in the 4-6 pH range, whereas TcO(OH)(2)(0) and TcO(OH)(2) - HA are the major species, in the pH 6-8 range.
C1 [Boggs, Mark A.; Minton, Travis; Lomasney, Samuel; Islam, Mohammed R.; Wall, Nathalie A.] Washington State Univ, Dept Chem, Pullman, WA 99164 USA.
[Dong, Wenming; Gu, Baohua] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Wall, NA (reprint author), Washington State Univ, Dept Chem, Pullman, WA 99164 USA.
EM nawall@wsu.edu
RI Gu, Baohua/B-9511-2012; Boggs, Mark/I-6954-2012; Dong,
Wenming/G-3221-2015
OI Gu, Baohua/0000-0002-7299-2956; Dong, Wenming/0000-0003-2074-8887
FU Office of the Biological and Environmental Research, Office of Science,
U.S. Department of Energy (DOE) [DE-FG02-08ER64696]; Washington State
University; Oak Ridge National Laboratory [DE-AC05-00OR22725]
FX This work was supported by the Office of the Biological and
Environmental Research, Office of Science, U.S. Department of Energy
(DOE) under the grant DE-FG02-08ER64696 with Washington State University
and under contract DE-AC05-00OR22725 with Oak Ridge National Laboratory,
which is managed by UT-Battelle LLC for DOE.
NR 37
TC 20
Z9 22
U1 1
U2 35
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 APR 1
PY 2011
VL 45
IS 7
BP 2718
EP 2724
DI 10.1021/es103390z
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 741CU
UT WOS:000288841500034
PM 21366306
ER
PT J
AU Kerisit, S
Felmy, AR
Ilton, ES
AF Kerisit, Sebastien
Felmy, Andrew R.
Ilton, Eugene S.
TI Atomistic Simulations of Uranium Incorporation into Iron (Hydr)Oxides
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID URANYL; HEMATITE; GOETHITE; SURFACES; DIOXIDE; ALKALI; OXIDES; FE
AB Atomistic simulations were carried out to characterize the coordination environments of U incorporated in three Fe-(hydr)oxide minerals: goethite, magnetite, and hematite. The simulations provided information on U-O and U-Fe distances, coordination numbers, and lattice distortion for U incorporated in different sites (e.g., unoccupied versus occupied sites, octahedral versus tetrahedral) as a function of the oxidation state of U and charge compensation mechanisms (i.e., deprotonation, vacancy formation, or reduction of Fe(III) to Fe(II)). For goethite, deprotonation of first shell hydroxyls enables substitution of U for Fe(III) with a minimal amount of lattice distortion, whereas substitution in unoccupied octahedral sites induced appreciable distortion to 7-fold coordination regardless of U oxidation states and charge compensation mechanisms. Importantly, U-Fe distances of similar to 3.6 angstrom were associated with structural incorporation of U and cannot be considered diagnostic of simple adsorption to goethite surfaces. For magnetite, the octahedral site accommodates U(V) or U(VI) with little lattice distortion. U substituted for Fe(III) in hematite maintained octahedral coordination in most cases. In general, comparison of the simulations with available experimental data provides further evidence for the structural incorporation of U in iron (hydr)oxide minerals.
C1 [Kerisit, Sebastien; Felmy, Andrew R.; Ilton, Eugene S.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
RP Kerisit, S (reprint author), Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
EM sebastien.kerisit@pnl.gov
FU U.S. Department of Energy (DOE) through the Office of Basic Energy;
DOE's Office of Biological and Environmental Research (OBER)
[DE-AC05-76RL01830]
FX This research was supported by the U.S. Department of Energy (DOE)
through the Office of Basic Energy Sciences-Geosciences program. The
computer simulations were performed in part using the Molecular Science
Computing Facility (MSCF) in the William R. Wiley Environmental
Molecular Sciences Laboratory (EMSL), a national scientific user
facility sponsored by the DOE's Office of Biological and Environmental
Research (OBER) and located at Pacific Northwest National Laboratory
(PNNL). PNNL is operated for the DOE by Battelle Memorial Institute
under Contract DE-AC05-76RL01830.
NR 28
TC 23
Z9 24
U1 2
U2 42
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 APR 1
PY 2011
VL 45
IS 7
BP 2770
EP 2776
DI 10.1021/es1037639
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 741CU
UT WOS:000288841500041
PM 21391633
ER
PT J
AU Luo, WS
Gu, BH
AF Luo, Wensui
Gu, Baohua
TI Dissolution of Uranium-Bearing Minerals and Mobilization of Uranium by
Organic Ligands in a Biologically Reduced Sediment
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID WEATHERED FRACTURED SAPROLITE/SHALE; CONTAMINATED AQUIFER; U(VI)
REDUCTION; CITRATE; BIOREDUCTION; STABILITY; COMPLEXES; SULFATE;
SIDEROPHORES; REOXIDATION
AB The stability and mobility of uranium (U) is a concern following its reductive precipitation or immobilization by techniques such as bioremediation at contaminated sites. In this study, the influences of complexing organic ligands such as citrate and ethylenediaminetetraacetate (EDTA) on the mobilization of U were investigated in both batch and column flow systems using a contaminated and bioreduced sediment. Results indicate that both reduced U(IV) and oxidized U(VI) in the sediment can be effectively mobilized with the addition of EDTA or citrate under anaerobic conditions. The dissolution and mobilization of U appear to be correlated to the dissolution of iron (Fe)- or aluminum (Al)-bearing minerals, with EDTA being more effective (with R-2 >= 0.89) than citrate (R-2 < 0.60) in dissolving these minerals. The column flow experiments confirm that U, Fe, and Al can be mobilized by these ligands under anoxic conditions, although the cumulative amounts of U removal constituted similar to 0.1% of total U present in this sediment following a limited period of leaching. This study concludes that the presence of complexing organic ligands may pose a long-term concern by slowly dissolving U-bearing minerals and mobilizing U even under a strict anaerobic environment.
C1 [Luo, Wensui] Chinese Acad Sci, Inst Urban Environm, Xiamen 361021, Peoples R China.
[Luo, Wensui; Gu, Baohua] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Luo, WS (reprint author), Chinese Acad Sci, Inst Urban Environm, Xiamen 361021, Peoples R China.
EM wsluo@iue.ac.cn
RI Gu, Baohua/B-9511-2012
OI Gu, Baohua/0000-0002-7299-2956
FU UT-Battelle LLC for US DOE [DE-AC05-00OR22725]
FX We thank Ms. X. Yin for the ICP-MS analysis of samples, Dr. W. Wu for
providing the sediment sample, and Dr. Y. Coquet and Mr. Y. Zhang for
editorial assistance. This research was sponsored by the Subsurface
Biogeochemical Research (SBR) Program, Office of Biological and
Environmental Research, U.S. Department of Energy (DOE). Manuscript
preparation was supported in part by the "Hundred Talents Program" of
the Chinese Academy of Sciences to W. Luo. Oak Ridge National Laboratory
is managed by UT-Battelle LLC for US DOE under contract
DE-AC05-00OR22725.
NR 43
TC 23
Z9 24
U1 2
U2 39
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 APR 1
PY 2011
VL 45
IS 7
BP 2994
EP 2999
DI 10.1021/es103073u
PG 6
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 741CU
UT WOS:000288841500072
PM 21395303
ER
PT J
AU Xie, XM
Wang, M
Han, JW
AF Xie, Xiaomin
Wang, Michael
Han, Jeongwoo
TI Assessment of Fuel-Cycle Energy Use and Greenhouse Gas Emissions for
Fischer-Tropsch Diesel from Coal and Cellulosic Biomass
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID UNITED-STATES
AB This study expands and uses the GREET (Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation) model to assess the effects of carbon capture and storage (CCS) technology and cellulosic biomass and coal cofeeding in Fischer-Tropsch (FT) plants on energy use and greenhouse gas (GHG) emissions of FT diesel (FTD). To demonstrate the influence of the coproduct credit methods on FTD life-cycle analysis (LCA) results, two allocation methods based on the energy value and the market revenue of different products and a hybrid method are employed. With the energy-based allocation method, fossil energy use of FTD is less than that of petroleum diesel, and GHG emissions of FTD could be close to zero or even less than zero with CCS when forest residue accounts for 55% or more of the total dry mass input to FTD plants. Without CCS, GHG emissions are reduced to a level equivalent to that from petroleum diesel plants when forest residue accounts for 61% of the total dry mass input. Moreover, we show that coproduct method selection is crucial for LCA results of FTD when a large amount of coproducts is produced.
C1 [Xie, Xiaomin] Shanghai Jiao Tong Univ, Key Lab Power Machinery & Engn, State Educ Minist, Shanghai 200240, Peoples R China.
[Wang, Michael; Han, Jeongwoo] Argonne Natl Lab, Ctr Transportat Res, Argonne, IL 60439 USA.
RP Xie, XM (reprint author), Shanghai Jiao Tong Univ, Key Lab Power Machinery & Engn, State Educ Minist, 800 Dongchuan Rd, Shanghai 200240, Peoples R China.
EM xiexiaomin@sjtu.edu.cn
FU U.S. Department of Energy [DE-AC02-06CH11357]
FX This work was supported by the U.S. Department of Energy, Assistant
Secretary for Energy Efficiency and Renewable Energy, Vehicle Technology
Program, under contract DE-AC02-06CH11357. We thank Mr. Kevin Stork of
that DOE office for his support of this study and the anonymous reviewer
for the helpful comments on our draft manuscript.
NR 33
TC 19
Z9 21
U1 0
U2 27
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 APR 1
PY 2011
VL 45
IS 7
BP 3047
EP 3053
DI 10.1021/es1017703
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 741CU
UT WOS:000288841500080
PM 21370852
ER
PT J
AU Bairnsfather, C
Reichhardt, CJO
Reichhardt, C
AF Bairnsfather, C.
Reichhardt, C. J. Olson
Reichhardt, C.
TI The effect of pinning on drag in coupled one-dimensional channels of
particles
SO EPL
LA English
DT Article
ID VORTEX LATTICES; WIGNER CRYSTAL; COULOMB DRAG; DYNAMICS; FLOW
AB We consider a simple model for examining the effects of quenched disorder on drag consisting of particles interacting via a Yukawa potential that are placed in two coupled one-dimensional channels. The particles in one channel are driven and experience a drag from the undriven particles in the second channel. In the absence of pinning, for a finite driving force there is no pinned phase; instead, there are two dynamical regimes of completely coupled or locked flow and partially coupled flow. When pinning is added to one or both channels, we find that a remarkably rich variety of dynamical phases and drag effects arise that can be clearly identified by features in the velocity force curves. The presence of quenched disorder in only the undriven channel can induce a pinned phase in both channels. Above the depinning transition, the drag on the driven particles decreases with increasing pinning strength, and for high enough pinning strength, the particles in the undriven channel reach a reentrant pinned phase which produces a complete decoupling of the channels. We map out the dynamic phase diagrams as a function of pinning strength and the density of pinning in each channel. Our results may be relevant for understanding drag coupling in 1D Wigner crystal phases, and the effects we observe could also be explored using colloids in coupled channels produced with optical arrays, vortices in nanostructured superconductors, or other layered systems where drag effects arise. Copyright (C) EPLA, 2011
C1 [Bairnsfather, C.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Bairnsfather, C.; Reichhardt, C. J. Olson; Reichhardt, C.] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA.
RP Bairnsfather, C (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM cjrx@lanl.gov
OI Reichhardt, Cynthia/0000-0002-3487-5089
FU NNSA of the U.S. DoE at LANL [DE-AC52-06NA25396]
FX This work was carried out under the auspices of the NNSA of the U.S. DoE
at LANL under Contract No. DE-AC52-06NA25396.
NR 29
TC 4
Z9 4
U1 1
U2 8
PU EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
PI MULHOUSE
PA 6 RUE DES FRERES LUMIERE, MULHOUSE, 68200, FRANCE
SN 0295-5075
EI 1286-4854
J9 EPL-EUROPHYS LETT
JI EPL
PD APR
PY 2011
VL 94
IS 1
AR 18001
DI 10.1209/0295-5075/94/18001
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 751MM
UT WOS:000289622200023
ER
PT J
AU Airapetian, A
Akopov, N
Akopov, Z
Aschenauer, EC
Augustyniak, W
Avakian, R
Avetissian, A
Avetisyan, E
Belostotski, S
Bianchi, N
Blok, HP
Borissov, A
Bowles, J
Bryzgalov, V
Burns, J
Capiluppi, M
Capitani, GP
Cisbani, E
Ciullo, G
Contalbrigo, M
Dalpiaz, PF
Deconinck, W
De Leo, R
De Nardo, L
De Sanctis, E
Diefenthaler, M
Di Nezza, P
Duren, M
Ehrenfried, M
Elbakian, G
Ellinghaus, F
Fabbri, R
Fantoni, A
Felawka, L
Frullani, S
Gabbert, D
Gapienko, G
Gapienko, V
Garibaldi, F
Gavrilov, G
Gharibyan, V
Giordano, F
Gliske, S
Golembiovskaya, M
Hadjidakis, C
Hartig, M
Hasch, D
Hill, G
Hillenbrand, A
Hoek, M
Holler, Y
Hristova, I
Imazu, Y
Ivanilov, A
Jackson, HE
Jo, HS
Joosten, S
Kaiser, R
Karyan, G
Keri, T
Kinney, E
Kisselev, A
Kobayashi, N
Korotkov, V
Kozlov, V
Kravchenko, P
Krivokhijine, VG
Lagamba, L
Lamb, R
Lapikas, L
Lehmann, I
Lenisa, P
Linden-Levy, LA
Ruiz, AL
Lorenzon, W
Lu, XG
Lu, XR
Ma, BQ
Mahon, D
Makins, NCR
Manaenkov, SI
Manfre, L
Mao, Y
Marianski, B
de la Ossa, AM
Marukyan, H
Miller, CA
Miyachi, Y
Movsisyan, A
Muccifora, V
Murray, M
Mussgiller, A
Nappi, E
Naryshkin, Y
Nass, A
Negodaev, M
Nowak, WD
Pappalardo, LL
Perez-Benito, R
Pickert, N
Reimer, PE
Reolon, AR
Riedl, C
Rith, K
Rosner, G
Rostomyan, A
Rubin, J
Ryckbosch, D
Salomatin, Y
Sanftl, F
Schafer, A
Schnell, G
Schuler, KP
Seitz, B
Shibata, TA
Shutov, V
Stancari, M
Statera, M
Steffens, E
Steijger, JJM
Stinzing, F
Taroian, S
Terkulov, A
Trzcinski, A
Tytgat, M
Vandenbroucke, A
Van Haarlem, Y
Van Hulse, C
Veretennikov, D
Vikhrov, V
Vilardi, I
Wang, S
Yaschenko, S
Yen, S
Yu, W
Zihlmann, B
Zupranski, P
AF Airapetian, A.
Akopov, N.
Akopov, Z.
Aschenauer, E. C.
Augustyniak, W.
Avakian, R.
Avetissian, A.
Avetisyan, E.
Belostotski, S.
Bianchi, N.
Blok, H. P.
Borissov, A.
Bowles, J.
Bryzgalov, V.
Burns, J.
Capiluppi, M.
Capitani, G. P.
Cisbani, E.
Ciullo, G.
Contalbrigo, M.
Dalpiaz, P. F.
Deconinck, W.
De Leo, R.
De Nardo, L.
De Sanctis, E.
Diefenthaler, M.
Di Nezza, P.
Dueren, M.
Ehrenfried, M.
Elbakian, G.
Ellinghaus, F.
Fabbri, R.
Fantoni, A.
Felawka, L.
Frullani, S.
Gabbert, D.
Gapienko, G.
Gapienko, V.
Garibaldi, F.
Gavrilov, G.
Gharibyan, V.
Giordano, F.
Gliske, S.
Golembiovskaya, M.
Hadjidakis, C.
Hartig, M.
Hasch, D.
Hill, G.
Hillenbrand, A.
Hoek, M.
Holler, Y.
Hristova, I.
Imazu, Y.
Ivanilov, A.
Jackson, H. E.
Jo, H. S.
Joosten, S.
Kaiser, R.
Karyan, G.
Keri, T.
Kinney, E.
Kisselev, A.
Kobayashi, N.
Korotkov, V.
Kozlov, V.
Kravchenko, P.
Krivokhijine, V. G.
Lagamba, L.
Lamb, R.
Lapikas, L.
Lehmann, I.
Lenisa, P.
Linden-Levy, L. A.
Ruiz, A. Lopez
Lorenzon, W.
Lu, X. -G.
Lu, X. -R.
Ma, B. -Q.
Mahon, D.
Makins, N. C. R.
Manaenkov, S. I.
Manfre, L.
Mao, Y.
Marianski, B.
de la Ossa, A. Martinez
Marukyan, H.
Miller, C. A.
Miyachi, Y.
Movsisyan, A.
Muccifora, V.
Murray, M.
Mussgiller, A.
Nappi, E.
Naryshkin, Y.
Nass, A.
Negodaev, M.
Nowak, W. -D.
Pappalardo, L. L.
Perez-Benito, R.
Pickert, N.
Reimer, P. E.
Reolon, A. R.
Riedl, C.
Rith, K.
Rosner, G.
Rostomyan, A.
Rubin, J.
Ryckbosch, D.
Salomatin, Y.
Sanftl, F.
Schaefer, A.
Schnell, G.
Schueler, K. P.
Seitz, B.
Shibata, T. -A.
Shutov, V.
Stancari, M.
Statera, M.
Steffens, E.
Steijger, J. J. M.
Stinzing, F.
Taroian, S.
Terkulov, A.
Trzcinski, A.
Tytgat, M.
Vandenbroucke, A.
Van Haarlem, Y.
Van Hulse, C.
Veretennikov, D.
Vikhrov, V.
Vilardi, I.
Wang, S.
Yaschenko, S.
Yen, S.
Yu, W.
Zihlmann, B.
Zupranski, P.
CA HERMES Collaboration
TI Ratios of helicity amplitudes for exclusive rho(0) electroproduction
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID VECTOR-MESON PRODUCTION; GENERALIZED PARTON DISTRIBUTIONS; ELASTIC
ELECTROPRODUCTION; DIFFRACTIVE ELECTROPRODUCTION; J/PSI MESONS; P(0)
MESONS; HERA; SCATTERING; SPIN; QCD
AB Exclusive rho(0)-meson electroproduction is studied in the HERMES experiment, using a 27.6 GeV longitudinally polarized electron/positron beam and unpolarized hydrogen and deuterium targets in the kinematic region 0.5 GeV2 < Q(2) < 7.0 GeV2, 3.0 GeV < W < 6.3 GeV, and -t' < 0.4 GeV2. Real and imaginary parts of the ratios of the natural-parity-exchange helicity amplitudes T-11 (gamma*(T) -> rho T), T-01 (gamma*(T) -> rho(L)), T-10 (gamma*(L) -> rho(T)), and T1-1 (gamma*(-T) -> rho(T)) to T-00 (gamma*(L) -> rho(L)) are extracted from the data. For the unnatural-parity-exchange amplitude U-11, the ratio vertical bar U-11/T-00 vertical bar is obtained. The Q(2) and t' dependences of these ratios are presented and compared with perturbative QCD predictions.
C1 [Jackson, H. E.; Reimer, P. E.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[De Leo, R.; Lagamba, L.; Nappi, E.; Vilardi, I.] Ist Nazl Fis Nucl, Sez Bari, I-70124 Bari, Italy.
[Ma, B. -Q.; Mao, Y.; Wang, S.] Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
[Ellinghaus, F.; Kinney, E.; de la Ossa, A. Martinez] Univ Colorado, Nucl Phys Lab, Boulder, CO 80309 USA.
[Akopov, Z.; Avetisyan, E.; Borissov, A.; Deconinck, W.; De Nardo, L.; Gavrilov, G.; Giordano, F.; Hartig, M.; Holler, Y.; Mussgiller, A.; Rostomyan, A.; Schueler, K. P.; Zihlmann, B.] DESY, D-22603 Hamburg, Germany.
[Aschenauer, E. C.; Fabbri, R.; Gabbert, D.; Golembiovskaya, M.; Hillenbrand, A.; Hristova, I.; Lu, X. -G.; Negodaev, M.; Nowak, W. -D.; Riedl, C.; Schnell, G.; Yaschenko, S.] DESY, D-15738 Zeuthen, Germany.
[Krivokhijine, V. G.; Shutov, V.] Joint Inst Nucl Res, Dubna 141980, Russia.
[Diefenthaler, M.; Mussgiller, A.; Nass, A.; Pickert, N.; Rith, K.; Steffens, E.; Stinzing, F.; Yaschenko, S.] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany.
[Capiluppi, M.; Ciullo, G.; Contalbrigo, M.; Dalpiaz, P. F.; Giordano, F.; Lenisa, P.; Pappalardo, L. L.; Stancari, M.; Statera, M.] Univ Ferrara, Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy.
[Capiluppi, M.; Ciullo, G.; Contalbrigo, M.; Dalpiaz, P. F.; Giordano, F.; Lenisa, P.; Pappalardo, L. L.; Stancari, M.; Statera, M.] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy.
[Bianchi, N.; Capitani, G. P.; De Sanctis, E.; Di Nezza, P.; Fantoni, A.; Hadjidakis, C.; Hasch, D.; Muccifora, V.; Reolon, A. R.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[De Nardo, L.; Jo, H. S.; Ruiz, A. Lopez; Ryckbosch, D.; Schnell, G.; Tytgat, M.; Vandenbroucke, A.; Van Haarlem, Y.; Van Hulse, C.] Univ Ghent, Dept Subat & Radiat Phys, B-9000 Ghent, Belgium.
[Airapetian, A.; Dueren, M.; Ehrenfried, M.; Keri, T.; Perez-Benito, R.; Yu, W.] Univ Giessen, Inst Phys, D-35392 Giessen, Germany.
[Bowles, J.; Burns, J.; Hill, G.; Hoek, M.; Kaiser, R.; Lehmann, I.; Mahon, D.; Murray, M.; Rosner, G.; Seitz, B.] Univ Glasgow, SUPA, Sch Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland.
[Diefenthaler, M.; Joosten, S.; Lamb, R.; Linden-Levy, L. A.; Makins, N. C. R.; Rubin, J.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA.
[Airapetian, A.; Gliske, S.; Lorenzon, W.] Univ Michigan, Randall Lab Phys, Ann Arbor, MI 48109 USA.
[Kozlov, V.; Terkulov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia.
[Blok, H. P.; Lapikas, L.; Steijger, J. J. M.] Natl Inst Subat Phys Nikhef, NL-1009 DB Amsterdam, Netherlands.
[Belostotski, S.; Gavrilov, G.; Kisselev, A.; Kravchenko, P.; Manaenkov, S. I.; Naryshkin, Y.; Veretennikov, D.; Vikhrov, V.] St Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.
[Bryzgalov, V.; Gapienko, G.; Gapienko, V.; Ivanilov, A.; Korotkov, V.; Salomatin, Y.] Inst High Energy Phys, Protvino 142281, Moscow Region, Russia.
[Sanftl, F.; Schaefer, A.] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany.
[Cisbani, E.; Frullani, S.; Garibaldi, F.; Manfre, L.] Ist Nazl Fis Nucl, Grp Sanita, Sez Roma 1, Rome, Italy.
[Cisbani, E.; Frullani, S.; Garibaldi, F.; Manfre, L.] Ist Super Sanita, Phys Lab, I-00161 Rome, Italy.
[Felawka, L.; Gavrilov, G.; Miller, C. A.; Yen, S.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Imazu, Y.; Kobayashi, N.; Lu, X. -R.; Miyachi, Y.; Shibata, T. -A.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan.
[Blok, H. P.] Vrije Univ Amsterdam, Dept Phys & Astron, NL-1081 HV Amsterdam, Netherlands.
[Augustyniak, W.; Marianski, B.; Trzcinski, A.; Zupranski, P.] Andrzej Soltan Inst Nucl Studies, PL-00689 Warsaw, Poland.
[Akopov, N.; Avakian, R.; Avetissian, A.; Elbakian, G.; Gharibyan, V.; Karyan, G.; Marukyan, H.; Movsisyan, A.; Taroian, S.] Yerevan Phys Inst, Yerevan 375036, Armenia.
RP Airapetian, A (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM klaus.rith@desy.de
RI Cisbani, Evaristo/C-9249-2011; Deconinck, Wouter/F-4054-2012; Gavrilov,
Gennady/C-6260-2013; Reimer, Paul/E-2223-2013; Negodaev,
Mikhail/A-7026-2014; Taroian, Sarkis/E-1668-2014; Kozlov,
Valentin/M-8000-2015; Terkulov, Adel/M-8581-2015
OI Cisbani, Evaristo/0000-0002-6774-8473;
FU DESY; Ministry of Economy; Ministry of Education and Science of Armenia;
FWO-Flanders; IWT, Belgium; Natural Sciences and Engineering Research
Council of Canada; National Natural Science Foundation of China;
Alexander von Humboldt Stiftung; German Bundesministerium fur Bildung
und Forschung (BMBF); Deutsche Forschungsgemeinschaft (DFG); Italian
Istituto Nazionale di Fisica Nucleare (INFN); MEXT; JSPS; G-COE of
Japan; Dutch Foundation for Fundamenteel Onderzoek der Materie (FOM);
Russian Academy of Science; Russian Federal Agency for Science and
Innovations; U.K. Engineering and Physical Sciences Research Council;
Science and Technology Facilities Council; Scottish Universities Physics
Alliance; U.S. Department of Energy (DOE); National Science Foundation
(NSF)
FX We gratefully acknowledge the DESY management for its support and the
staff at DESY and the collaborating institutions for their significant
effort. This work was supported by the Ministry of Economy and the
Ministry of Education and Science of Armenia; the FWO-Flanders and IWT,
Belgium; the Natural Sciences and Engineering Research Council of
Canada; the National Natural Science Foundation of China; the Alexander
von Humboldt Stiftung, the German Bundesministerium fur Bildung und
Forschung (BMBF), and the Deutsche Forschungsgemeinschaft (DFG); the
Italian Istituto Nazionale di Fisica Nucleare (INFN); the MEXT, JSPS,
and G-COE of Japan; the Dutch Foundation for Fundamenteel Onderzoek der
Materie (FOM); the Russian Academy of Science and the Russian Federal
Agency for Science and Innovations; the U.K. Engineering and Physical
Sciences Research Council, the Science and Technology Facilities
Council, and the Scottish Universities Physics Alliance; and the U.S.
Department of Energy (DOE) and the National Science Foundation (NSF).
NR 55
TC 9
Z9 9
U1 1
U2 12
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1434-6044
J9 EUR PHYS J C
JI Eur. Phys. J. C
PD APR
PY 2011
VL 71
IS 4
AR 1609
DI 10.1140/epjc/s10052-011-1609-2
PG 25
WC Physics, Particles & Fields
SC Physics
GA 747BZ
UT WOS:000289296600002
ER
PT J
AU Sprague, MA
Colvin, ME
AF Sprague, Michael A.
Colvin, Michael E.
TI A mixture-enthalpy fixed-grid model for temperature evolution and
heterocyclic-amine formation in a frying beef patty
SO FOOD RESEARCH INTERNATIONAL
LA English
DT Article
DE Cooking simulations; Spectral finite-element methods; Carcinogens;
Mutagens
ID MASS-TRANSFER; HEAT-TRANSFER; MEAT PATTIES; MICROBIAL SAFETY;
GROUND-BEEF; HAMBURGER PATTY; COOKING; SIMULATION; FOODS;
CARCINOGENICITY
AB The ideal cooking process would heat food to a sufficient temperature throughout to kill bacteria without heating the food to temperatures that promote formation of toxic or carcinogenic compounds. Experimentally validated computer models have an important role to play in designing cooking processes since they allow rapid evaluations of different conditions without the confounding effects of experimental variation. In this paper we derive a mathematical model governing the heat and water transport in a cylindrical pan-fried beef patty. The continuum temperature model stems from a mixture-enthalpy formulation that accommodates the liquid and vapor states of water along with fat and protein. The governing equations were spatially discretized with Legendre spectral finite elements. All but two of the model properties were taken from the literature, with the remaining two determined through a comparison of numerical and physical experiments. These parameters were shown to produce solutions in agreement with a different set of experimental results. The model was used to calculate the formation of heterocyclic-amine (HA) compounds (known DNA mutagens and carcinogens). Results provide an explanation based on patty temperature for previous experimental studies showing that frequent patty flipping yields a dramatic reduction in HAs. Published by Elsevier Ltd.
C1 Univ Calif, Ctr Computat Biol, Merced, CA 95343 USA.
Univ Calif, Sch Nat Sci, Merced, CA 95343 USA.
RP Sprague, MA (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd,MS 1608, Golden, CO 80401 USA.
EM michael.a.sprague@nrel.gov
FU National Cancer Institute [CA55861]; US Department of Energy, Office of
Science, Offices of Advanced Scientific Computing Research; U.C. Merced
Center for Computational Biology [DE-FG02-04ER25625]
FX This work was funded by National Cancer Institute grant CA55861 and by
the US Department of Energy, Office of Science, Offices of Advanced
Scientific Computing Research, and Biological 82 Environmental Research
through the U.C. Merced Center for Computational Biology
#DE-FG02-04ER25625. M.A. Sprague thanks Dr. Stephen Hammond and Dr.
Wesley Jones for providing him the opportunity to complete this work
while at the National Renewable Energy Laboratory.
NR 39
TC 6
Z9 6
U1 1
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0963-9969
J9 FOOD RES INT
JI Food Res. Int.
PD APR
PY 2011
VL 44
IS 3
BP 789
EP 797
DI 10.1016/j.foodres.2011.01.011
PG 9
WC Food Science & Technology
SC Food Science & Technology
GA 748OR
UT WOS:000289400400020
ER
PT J
AU Fletcher, RJ
Robertson, BA
Evans, J
Doran, PJ
Alavalapati, JRR
Schemske, DW
AF Fletcher, Robert J., Jr.
Robertson, Bruce A.
Evans, Jason
Doran, Patrick J.
Alavalapati, Janaki R. R.
Schemske, Douglas W.
TI Biodiversity conservation in the era of biofuels: risks and
opportunities
SO FRONTIERS IN ECOLOGY AND THE ENVIRONMENT
LA English
DT Review
ID UNITED-STATES; AGRICULTURAL LANDSCAPE; PLANTATION FORESTS; HABITAT LOSS;
LAND-USE; BIOENERGY; CORN; METAANALYSIS; SWITCHGRASS; BIOMASS
AB Growing demand for alternative energy sources has contributed to increased biofuel production, but the effects on biodiversity of land-use change to biofuel crops remain unclear. Using a meta-analysis for crops being used or considered in the US, we find that vertebrate diversity and abundance are generally lower in biofuel crop habitats relative to the non-crop habitats that these crops may replace. Diversity effects are greater for corn than for pine and poplar, and birds of conservation concern experience greater negative effects from corn than species of less concern. Yet conversion of row-crop fields to grasslands dedicated to biofuels could increase local diversity and abundance of birds. To minimize impacts of biofuel crops on biodiversity, we recommend management practices that reduce chemical inputs, increase heterogeneity within fields, and delay harvests until bird breeding has ceased. We encourage research that will move us toward a sustainable biofuels economy, including the use of native plants, development of robust environmental criteria for evaluating biofuel crops, and integrated cost-benefit analysis of potential land-use change.
C1 [Fletcher, Robert J., Jr.; Evans, Jason] Univ Florida, Dept Wildlife Ecol & Conservat, Gainesville, FL 32610 USA.
[Robertson, Bruce A.; Schemske, Douglas W.] Michigan State Univ, WK Kellogg Biol Stn, Hickory Corners, MI 49060 USA.
[Robertson, Bruce A.; Schemske, Douglas W.] Michigan State Univ, DOE Great Lakes Bioenergy Res Ctr, Lansing, MI USA.
[Doran, Patrick J.] Michigan Field Off, Lansing, MI USA.
[Alavalapati, Janaki R. R.] Virginia Tech Univ, Dept Forestry, Blacksburg, VA USA.
RP Fletcher, RJ (reprint author), Univ Florida, Dept Wildlife Ecol & Conservat, Gainesville, FL 32610 USA.
EM robert.fletcher@ufl.edu
OI Fletcher, Robert/0000-0003-1717-5707
FU National Council on Science and the Environment; DOE Great Lakes
Bioenergy Research Center [DE-FC02-07ER64494]; Department of Energy;
Michigan State University; Nature Conservancy's Great Lakes Fund for
Partnership in Conservation Science and Economics
FX We thank the Wildlife Habitat Research Policy Program of the National
Council on Science and the Environment, the DOE Great Lakes Bioenergy
Research Center (DE-FC02-07ER64494), the Department of Energy, Michigan
State University, and The Nature Conservancy's Great Lakes Fund for
Partnership in Conservation Science and Economics for funding and
logistical support. Thanks to A Pendleton, J Kjer, M Acevedo, and M
Wietlisbach for invaluable help on the meta-analysis. D Landis and J
Orrock provided reviews on earlier manuscripts. We thank B Bats, S
Krauskopf, W Lynch, C Miller, and S Pruett for providing photographs.
NR 45
TC 69
Z9 71
U1 10
U2 122
PU ECOLOGICAL SOC AMER
PI WASHINGTON
PA 1990 M STREET NW, STE 700, WASHINGTON, DC 20036 USA
SN 1540-9295
EI 1540-9309
J9 FRONT ECOL ENVIRON
JI Front. Ecol. Environ.
PD APR
PY 2011
VL 9
IS 3
BP 161
EP 168
DI 10.1890/090091
PG 8
WC Ecology; Environmental Sciences
SC Environmental Sciences & Ecology
GA 748GK
UT WOS:000289377800017
ER
PT J
AU Naidu, DS
Rieger, CG
AF Naidu, D. Subbaram
Rieger, Craig G.
TI Advanced control strategies for HVACR systemsAn overview: Part II: Soft
and fusion control
SO HVAC&R RESEARCH
LA English
DT Article
ID AIR-CONDITIONING SYSTEMS; FAULT-TOLERANT CONTROL; MODEL-PREDICTIVE
CONTROL; FUZZY-GENETIC ALGORITHM; NEURAL-NETWORK; GLOBAL OPTIMIZATION;
BUILDING SYSTEMS; ADAPTIVE-CONTROL; COOLED CHILLER; DESIGN
AB A chronological overview of the advanced control strategies for HVACR is presented. The overview focuses on hard-computing or control techniques, such as proportional-integral-derivative, optimal, nonlinear, adaptive, and robust; soft-computing or control techniques, such as neural networks, fuzzy logic, genetic algorithms; and the fusion or hybrid of hard and soft control techniques. Part I focused on hard-control strategies; Part II focuses on soft and fusion control and some future directions in HVAR research. This overview is not intended to be an exhaustive survey on this topic, and any omissions of other works is purely unintentional.
C1 [Naidu, D. Subbaram] Idaho State Univ, Sch Engn, Dept Elect Engn & Comp Sci, Pocatello, ID 83209 USA.
[Rieger, Craig G.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Naidu, DS (reprint author), Idaho State Univ, Sch Engn, Dept Elect Engn & Comp Sci, 921 S 8th Ave,Stop 8060, Pocatello, ID 83209 USA.
EM naiduds@isu.edu
NR 116
TC 12
Z9 12
U1 1
U2 9
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1078-9669
J9 HVAC&R RES
JI HVAC&R Res.
PD APR
PY 2011
VL 17
IS 2
BP 144
EP 158
AR PII 936265622
DI 10.1080/10789669.2011.555650
PG 15
WC Thermodynamics; Construction & Building Technology; Engineering,
Mechanical
SC Thermodynamics; Construction & Building Technology; Engineering
GA 750SE
UT WOS:000289567500003
ER
PT J
AU Sherman, MH
Logue, JM
Singer, BC
AF Sherman, Max H.
Logue, Jennifer M.
Singer, Brett C.
TI Infiltration effects on residential pollutant concentrations for
continuous and intermittent mechanical ventilation approaches
SO HVAC&R RESEARCH
LA English
DT Article
ID UNITED-STATES; INDOOR
AB The prevailing residential ventilation standard in North America, the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Standard 62.2, specifies volumetric airflow requirements as a function of the overall size of the home and the number of bedrooms; assumes a fixed, minimal amount of infiltration; and requires mechanical ventilation to achieve the remainder. The standard allows for infiltration credits and intermittent ventilation patterns that can be shown to provide comparable performance. Whole-house ventilation methods have a substantial effect on time-varying indoor pollutant concentrations. If alternatives specified by Standard 62.2, such as intermittent ventilation, are used, short-term pollutant concentrations could exceed acute health standards, even if chronic health standards are met. A methodology is presented for comparing ASHRAE- and non-ASHRAE-specified ventilation scenarios on relative indoor pollutant concentrations. Numerical modeling is used to compare the maximum time-averaged concentrations for acute exposure relevant (1-h, 8-h, 24-h) and chronic exposure relevant (1-year) time periods for four different ventilation scenarios in six climates with a range of normalized leakage values. The results suggest that long-term concentrations are the most important metric for assessing the effectiveness of whole-house ventilation systems in meeting exposure standards and that, if chronic health exposure standards are met, acute standards will also be met.
C1 [Sherman, Max H.; Logue, Jennifer M.; Singer, Brett C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Energy & Performance Bldg Grp, EETD, Berkeley, CA 94720 USA.
RP Logue, JM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Energy & Performance Bldg Grp, EETD, Berkeley, CA 94720 USA.
EM jmlogue@lbl.gov
FU U.S. Department of Energy; Office of Energy Efficiency; Renewable Energy
under DOE [DE-AC02-05CH11231]; U.S. Department of Housing and Urban
Development Office of Healthy Homes and Lead Hazard Control
[I-PHI-01070]; California Energy Commission [500-08-06]
FX Funding was provided by the U.S. Department of Energy Building
Technologies Program, Office of Energy Efficiency and Renewable Energy
under DOE contract no. DE-AC02-05CH11231, by the U.S. Department of
Housing and Urban Development Office of Healthy Homes and Lead Hazard
Control through Interagency Agreement I-PHI-01070, and by the California
Energy Commission through contract 500-08-06.
NR 25
TC 9
Z9 9
U1 0
U2 7
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1078-9669
J9 HVAC&R RES
JI HVAC&R Res.
PD APR
PY 2011
VL 17
IS 2
BP 159
EP 173
AR PII 936264336
DI 10.1080/10789669.2011.543258
PG 15
WC Thermodynamics; Construction & Building Technology; Engineering,
Mechanical
SC Thermodynamics; Construction & Building Technology; Engineering
GA 750SE
UT WOS:000289567500004
ER
PT J
AU Eliza, SA
Islam, SK
Rahman, T
Bull, ND
Blalock, BJ
Baylor, LR
Ericson, MN
Gardner, WL
AF Eliza, Sazia A.
Islam, Syed K.
Rahman, Touhidur
Bull, Nora Dianne
Blalock, Benjamin J.
Baylor, Larry R.
Ericson, M. Nance
Gardner, Walter L.
TI A Precision Dose Control Circuit for Maskless E-Beam Lithography With
Massively Parallel Vertically Aligned Carbon Nanofibers
SO IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
LA English
DT Article
DE Dose control circuit (DCC); maskless lithography; vertically aligned
carbon nanofiber (VACNF)
ID ARRAY LITHOGRAPHY; ELECTRICAL CHARACTERISTICS; MICROCATHODES;
FABRICATION; NANOTUBES; ELECTRODE; COLUMNS
AB This paper describes a highly accurate dose control circuit (DCC) for the emission of a desired number of electrons from vertically aligned carbon nanofibers (VACNFs) in a massively parallel maskless e-beam lithography system. The parasitic components within the VACNF device cause a premature termination of the electron emission, resulting in underexposure of the photoresist. In this paper, we compensate for the effects of the parasitic components and noise while reducing the area of the chip and achieving a precise count of emitted electrons from the VACNFs to obtain the optimum dose for the e-beam lithography.
C1 [Eliza, Sazia A.; Islam, Syed K.; Rahman, Touhidur; Bull, Nora Dianne; Blalock, Benjamin J.] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA.
[Baylor, Larry R.; Gardner, Walter L.] Oak Ridge Natl Lab, Fus Energy Div, Oak Ridge, TN 37831 USA.
[Ericson, M. Nance] Oak Ridge Natl Lab, Engn Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Eliza, SA (reprint author), Sonoma State Univ, Dept Engn, Rohnert Pk, CA 94928 USA.
EM saziaeliza@gmail.com; sislam@utk.edu
RI Ericson, Milton/H-9880-2016; Ezell, Nora/C-3942-2016
OI Ericson, Milton/0000-0002-6628-4865; Ezell, Nora/0000-0001-9334-5822
FU Defense Advanced Research Projects Agency (DARPA) [DARPA-MIPR-97-1357]
FX Manuscript received April 29, 2010; revised August 18, 2010; accepted
October 5, 2010. Date of publication December 6, 2010; date of current
version March 8, 2011. This work was supported by the Defense Advanced
Research Projects Agency (DARPA) under Contract DARPA-MIPR-97-1357. The
Associate Editor coordinating the review process for this paper was Dr.
Theodore Laopoulos.
NR 20
TC 1
Z9 1
U1 2
U2 10
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9456
EI 1557-9662
J9 IEEE T INSTRUM MEAS
JI IEEE Trans. Instrum. Meas.
PD APR
PY 2011
VL 60
IS 4
BP 1132
EP 1140
DI 10.1109/TIM.2010.2090691
PG 9
WC Engineering, Electrical & Electronic; Instruments & Instrumentation
SC Engineering; Instruments & Instrumentation
GA 746AJ
UT WOS:000289212900002
ER
PT J
AU Quiter, BJ
Ludewigt, BA
Mozin, VV
Prussin, SG
AF Quiter, Brian J.
Ludewigt, Bernhard A.
Mozin, Vladimir V.
Prussin, Stanley G.
TI Nuclear Resonance Fluorescence for Materials Assay
SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE
LA English
DT Article
DE MCNPX; non-destructive analysis; nuclear resonance fluorescence; nuclear
safeguards
ID SCATTERING
AB This paper discusses the use of nuclear resonance fluorescence (NRF) techniques for the isotopic and quantitative assaying of radioactive material. Potential applications include age-dating of an unknown radioactive source, pre- and post-detonation nuclear forensics and safeguards for nuclear fuel cycles Examples of age-dating a strong radioactive source and assaying a spent fuel pin are discussed. The modeling work has ben performed with the Monte Carlo radiation transport computer code MCNPX and the capability to simulate NRF has bee added to the code. Discussed are the limitations in MCNPX's photon transport physics for accurately describing photon scattering processes that are important contributions to the background and impact the applicability of the NRF assay technique.
C1 [Quiter, Brian J.; Ludewigt, Bernhard A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Mozin, Vladimir V.; Prussin, Stanley G.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
RP Quiter, BJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM bjquiter@lbl.gov; Bern-hard_Ludewigt@lbl.gov; vmozin@berkeley.edu;
prussin@uclink4.berkeley.edu
FU National Science Foundation; Department of Homeland Security [BS123456];
Office of Science of the U.S. Department of Energy, Lawrence Berkeley
National Laboratory [DE-AC02-05CH11231]
FX Manuscript received June 29, 2009; accepted February 01, 2011. Date of
publication March 03, 2011; date of current version April 13, 2011. This
work was supported by an ARI Grant from the National Science Foundation
and the Department of Homeland Security BS123456 and in part by the
Director, Office of Science of the U.S. Department of Energy, Lawrence
Berkeley National Laboratory, under Contract DE-AC02-05CH11231.
NR 19
TC 9
Z9 9
U1 0
U2 6
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9499
EI 1558-1578
J9 IEEE T NUCL SCI
JI IEEE Trans. Nucl. Sci.
PD APR
PY 2011
VL 58
IS 2
BP 400
EP 403
DI 10.1109/TNS.2011.2112777
PG 4
WC Engineering, Electrical & Electronic; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA 749PJ
UT WOS:000289480500006
ER
PT J
AU Parker, S
Kok, A
Kenney, C
Jarron, P
Hasi, J
Despeisse, M
Da Via, C
Anelli, G
AF Parker, Sherwood
Kok, Angela
Kenney, Christopher
Jarron, Pierre
Hasi, Jasmine
Despeisse, Matthieu
Da Via, Cinzia
Anelli, Giovanni
TI Increased Speed: 3D Silicon Sensors; Fast Current Amplifiers
SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE
LA English
DT Article
DE Fast pulses; short time resolution; silicon detectors; solid-state
detectors; speed; 3D sensors
ID M CMOS TECHNOLOGY; TRANSIMPEDANCE AMPLIFIER; RADIATION DETECTORS; STRIP
DETECTORS; DUAL READOUT; CHARGE; ARCHITECTURE; FABRICATION; SYSTEMS;
DESIGN
AB The authors describe techniques to make fast, sub-nanosecond time resolution solid-state detector systems using sensors with 3D electrodes, current amplifiers, constant-fraction comparators or fast wave-form recorders, and some of the next steps to reach still faster results.
C1 [Parker, Sherwood] Univ Hawaii, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Kok, Angela] SINTEF, MinaLab, N-0314 Oslo, Norway.
[Kenney, Christopher; Hasi, Jasmine] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Jarron, Pierre; Anelli, Giovanni] CERN, CH-1211 Geneva 23, Switzerland.
[Despeisse, Matthieu] Ecole Polytech Fed Lausanne, Inst Microengn IMT, Photovolta & Thin Film Elect Lab, CH-2000 Neuchatel, Switzerland.
[Da Via, Cinzia] Univ Manchester, Dept Phys & Astron, Manchester MI3 9PL, Lancs, England.
RP Parker, S (reprint author), Univ Hawaii, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM sher@slac.stanford.edu; cinzia.da.via@cern.ch
RI Despeisse, Matthieu/E-3821-2017
OI Despeisse, Matthieu/0000-0002-8688-4681
FU U.S. Department of Energy [DE-FG02-04ER41291]; National Science
Foundation [ECS-9731293]
FX Manuscript received April 23, 2010; revised August 18, 2010, October 27,
2010; accepted December 12, 2010. Date of publication March 17, 2011;
date of current version April 13, 2011. This work was supported in part
by the U.S. Department of Energy under Grants DE-FG02-04ER41291, and was
performed in part at the Stanford Nanofabrication Facility (a member of
the National Nanotechnology Infrastructure Network), which is supported
by the National Science Foundation under Grant ECS-9731293.
NR 45
TC 6
Z9 6
U1 0
U2 8
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9499
EI 1558-1578
J9 IEEE T NUCL SCI
JI IEEE Trans. Nucl. Sci.
PD APR
PY 2011
VL 58
IS 2
BP 404
EP 417
DI 10.1109/TNS.2011.2105889
PG 14
WC Engineering, Electrical & Electronic; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA 749PJ
UT WOS:000289480500007
ER
PT J
AU Raitses, Y
Kaganovich, ID
Khrabrov, A
Sydorenko, D
Fisch, NJ
Smolyakov, A
AF Raitses, Yevgeny
Kaganovich, Igor D.
Khrabrov, Alexander
Sydorenko, Dmytro
Fisch, Nathaniel J.
Smolyakov, Andrei
TI Effect of Secondary Electron Emission on Electron Cross-Field Current in
E x B Discharges
SO IEEE TRANSACTIONS ON PLASMA SCIENCE
LA English
DT Article
DE Cross-field transport; gas discharges; electron kinetics; magnetized
plasmas; plasma thrusters; plasma-wall interaction
ID STATIONARY PLASMA THRUSTERS; HALL THRUSTER; SEGMENTED-ELECTRODE;
MAGNETIC-FIELD; WALL INTERACTION; CONDUCTIVITY; DEVICES; MODEL; PROBE;
FLOW
AB This paper reviews and discusses recent experimental, theoretical, and numerical studies of plasma-wall interaction in a weakly collisional magnetized plasma bounded with channel walls made from different materials. A low-pressure E x B plasma discharge of the Hall thruster was used to characterize the electron current across the magnetic field and its dependence on the applied voltage and the electron-induced secondary electron emission (SEE) from the channel wall. The presence of a depleted anisotropic electron energy distribution function with beams of secondary electrons was predicted to explain the enhancement of the electron cross-field current observed in experiments. Without the SEE, the electron cross-field transport can be reduced from anomalously high to nearly classical collisional level. The suppression of the SEE was achieved using an engineered carbon-velvet material for the channel walls. Both theoretically and experimentally, it is shown that the electron emission from the walls can limit the maximum achievable electric field in the magnetized plasma. With nonemitting walls, the maximum electric field in the thruster can approach a fundamental limit for a quasi-neutral plasma.
C1 [Raitses, Yevgeny; Kaganovich, Igor D.; Khrabrov, Alexander; Fisch, Nathaniel J.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Sydorenko, Dmytro] Univ Alberta, Edmonton, AB T6G 2G7, Canada.
[Smolyakov, Andrei] Univ Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
RP Raitses, Y (reprint author), Princeton Univ, Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM yraitses@pppl.gov
FU U.S. Department of Energy [AC02-76CH0-3073]; Air Force Office of
Scientific Research
FX Manuscript received October 7, 2010; revised December 15, 2010; accepted
December 24, 2010. Date of publication March 9, 2011; date of current
version April 13, 2011. This work was supported in part by the U.S.
Department of Energy under Contract AC02-76CH0-3073 and in part by the
Air Force Office of Scientific Research.
NR 66
TC 29
Z9 29
U1 3
U2 21
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0093-3813
J9 IEEE T PLASMA SCI
JI IEEE Trans. Plasma Sci.
PD APR
PY 2011
VL 39
IS 4
BP 995
EP 1006
DI 10.1109/TPS.2011.2109403
PN 1
PG 12
WC Physics, Fluids & Plasmas
SC Physics
GA 749NS
UT WOS:000289475700006
ER
PT J
AU Weil, KS
Brady, MP
AF Weil, K. Scott
Brady, Michael P.
TI 20WHEC2014 the 20th World Hydrogen Energy Conference 20WHEC2014 in
Gwangju, Korea June 15-20, 2014 Intro to Special Issue
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Editorial Material
C1 [Weil, K. Scott] Pacific NW Natl Lab, Dept Mat Sci, Richland, WA 99352 USA.
[Brady, Michael P.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Weil, KS (reprint author), Pacific NW Natl Lab, Dept Mat Sci, 902 Battelle Blvd,MSIN K2-03, Richland, WA 99352 USA.
EM scott.weil@pnl.gov; bradymp@ornl.gov
NR 0
TC 0
Z9 0
U1 0
U2 2
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4518
EP 4518
DI 10.1016/j.ijhydene.2010.06.086
PG 1
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000032
ER
PT J
AU Darsell, JT
Weil, KS
AF Darsell, Jens T.
Weil, K. Scott
TI High temperature strength of YSZ joints brazed with palladium silver
copper oxide filler metals
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article; Proceedings Paper
CT 4th Symposium on Materials in Clean Power Systems/ 138th Annual Meeting
and Exposition of TMS
CY FEB 15-19, 2009
CL San Francisco, CA
DE Silver; Copper oxide; Palladium; Air brazing; Joint strength; Elevated
temperature
ID AG-CUOX; SYSTEM; ADDITIONS; BEHAVIOR
AB The Ag-CuOx system is being investigated as potential filler metals for use in air brazing high temperature electrochemical devices such as solid oxide fuel cells and gas concentrators. The current study examines the effects of palladium addition on the high temperature joint strength of specimens prepared from yttria stabilized zirconia (YSZ) bars brazed with the binary Ag-CuOx, and 15Pd-Ag-CuO. It was found that while the binary Ag-CuOx system exhibits stronger room temperature strength than the 15Pd system the strength is reduced to values equivalent of the 15Pd system at 800 degrees C. The 15Pd system exhibits a lower ambient temperature strength that is retained at 800 degrees C. In both systems the failure mechanism at high temperature appears to be peeling of the noble metal component from the oxide phases and tearing through the noble metal phase whereas sufficient adhesion is retained at lower temperatures to cause fracture of the YSZ substrate. Copyright (C ) 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Darsell, Jens T.; Weil, K. Scott] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Darsell, JT (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM jens.darsell@pnl.gov; scott.weil@pnl.gov
NR 17
TC 4
Z9 4
U1 0
U2 9
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4519
EP 4524
DI 10.1016/j.ijhydene.2010.05.018
PG 6
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000033
ER
PT J
AU Wu, JW
Gemmen, RS
Manivannan, A
Liu, XB
AF Wu, Junwei
Gemmen, Randall S.
Manivannan, Ayyakkannu
Liu, Xingbo
TI Investigation of Mn/Co coated T441 alloy as SOFC interconnect by on-cell
tests
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article; Proceedings Paper
CT 4th Symposium on Materials in Clean Power Systems/ 138th Annual Meeting
and Exposition of TMS
CY FEB 15-19, 2009
CL San Francisco, CA
DE SOFC; Interconnect; Laves phase; Electrodeposition; On-cell test
ID FERRITIC STAINLESS-STEELS; OXIDE FUEL-CELLS; MN-CO ALLOYS; OXIDATION
RESISTANCE; METALLIC INTERCONNECTS; COATINGS; PERFORMANCE; ATMOSPHERE
AB T441 has been identified as the candidate for SOFC interconnect material because it is assumed that with the addition of Nb, Ti in T441, the formation of continuous silica sublayer could be avoided or delayed due to Nb and Si rich secondary phase formation stabilizing silicon migration. Previously, electrodeposition Mn/Co alloys followed by oxidation has been proved as a simple and cost effective method to fabricate (Mn, Co)(3)O-4 coatings. In this work, Mn/Co coated T441 interconnects were tested as the cathode current collector of solid oxide fuel cells. For comparison, uncoated and 500 h pre-oxidized T441 interconnects were tested as well. The cell with coated interconnect shows stable performance during total 850 h test, even after severe thermal cycles (heating rate 26.7 degrees C/min). The coating shows good adhesion with substrate and it can prevent Cr poisoning on SOFC cathode. While the cell with uncoated and pre-oxidized T441 interconnects degrade rapidly. XRD results show the coating peaks shifted from mainly Co3O4 with some little Mn before test to MnCO2O4 after test due to Mn diffusion from substrate. No Cr penetrated to the coating layer, as further proved by EDX linescan. The effect of laves phase on the Cr2O3 sub-layer formation and coating thickness was further discussed. Copyright (C) 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Wu, Junwei; Liu, Xingbo] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
[Wu, Junwei; Gemmen, Randall S.; Manivannan, Ayyakkannu; Liu, Xingbo] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Liu, XB (reprint author), W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
EM xingbo.liu@mail.wvu.edu
RI Manivannan, Ayyakkannu/A-2227-2012
OI Manivannan, Ayyakkannu/0000-0003-0676-7918
NR 20
TC 25
Z9 26
U1 2
U2 25
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4525
EP 4529
DI 10.1016/j.ijhydene.2010.04.115
PG 5
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000034
ER
PT J
AU Choi, JP
Weil, KS
Chou, YM
Stevenson, JW
Yang, ZG
AF Choi, Jung Pyung
Weil, K. Scott
Chou, Y. Matt
Stevenson, Jeffry W.
Yang, Z. Gary
TI Development of MnCoO coating with new aluminizing process for planar
SOFC stacks
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article; Proceedings Paper
CT 4th Symposium on Materials in Clean Power Systems/ 138th Annual Meeting
and Exposition of TMS
CY FEB 15-19, 2009
CL San Francisco, CA
DE SOFC; High temperature; mnCo; Aluminizing; Cr volatility
ID FERRITIC STAINLESS-STEEL; OXIDE FUEL-CELLS; SPINEL PROTECTION LAYERS;
INTERCONNECT APPLICATIONS; CATHODE; ALLOY; DEGRADATION; COMPATIBILITY;
PERFORMANCE; SEPARATOR
AB Chromia-forming ferritic stainless steels find widespread use as interconnect materials in SOFCs at operating temperatures below 800 degrees C, because of their thermal expansion match and low cost. However, volatile Cr-containing species originating from this scale can poison the cathode material in the cells and subsequently cause power degradation in the devices. To prevent this, a conductive manganese cobaltite spinel coating has been developed, but unfortunately; this coating is not compatible with glass-based seals between the interconnect or cell frame components and the ceramic cell due to reactions between the coating and the glass. Thus, a new aluminizing process has been developed to improve the stability of the sealing regions of these components, as well as for other metallic stack and balance-of-plant components. Copyright (C) 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Choi, Jung Pyung; Weil, K. Scott; Chou, Y. Matt; Stevenson, Jeffry W.; Yang, Z. Gary] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Choi, JP (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM jungpyung.choi@pnl.gov
NR 29
TC 28
Z9 28
U1 1
U2 27
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4549
EP 4556
DI 10.1016/j.ijhydene.2010.04.110
PG 8
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000037
ER
PT J
AU Kim, JY
Oh, TK
Shin, Y
Bonnett, J
Weil, KS
AF Kim, Jin Yong
Oh, Tak-Keun
Shin, Yongsoon
Bonnett, Jeff
Weil, K. Scott
TI A novel non-platinum group electrocatalyst for PEM fuel cell application
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article; Proceedings Paper
CT 4th Symposium on Materials in Clean Power Systems/ 138th Annual Meeting
and Exposition of TMS
CY FEB 15-19, 2009
CL San Francisco, CA
DE Nanoscale tantaulum oxide; PEM catalyst; Oxygen reduction
ID OXYGEN REDUCTION REACTION; CATALYSTS; ACID; STABILITY; ELECTRODE;
CATHODE; FILMS
AB Precious-metal catalysts (predominantly Pt or Pt-based alloys supported on carbon) have traditionally been used to catalyze the electrode reactions in polymer electrolyte membrane (PEM) fuel cells. However as PEM fuel systems begin to approach commercial reality, there is an impending need to replace Pt with a lower cost alternative. The present study investigates the performance of a carbon-supported tantalum oxide material as a potential oxygen reduction reaction (ORR) catalyst for use on the cathode side of the PEM fuel cell membrane electrode assembly. Although bulk tantalum oxide tends to exhibit poor electrochemical performance due to limited electrical conductivity, it displays a high oxygen reduction potential; one that is comparable to Pt. Analysis of the Pourbaix electrochemical equilibrium database also indicates that tantalum oxide (Ta2O5) is chemically stable under the pH and applied potential conditions to which the cathode catalyst is typically exposed during stack operation. Nanoscale tantalum oxide catalysts were fabricated using two approaches, by reactive oxidation sputtering and by direct chemical synthesis, each carried out on a carbon support material. Nanoscale tantalum oxide particles measuring approximately 6 nm in size that were sputtered onto carbon paper exhibited a mass-specific current density as high as one-third that of Pt when measured at 0.6 V vs. NHE. However, because of the two-dimensional nature of this particle-on-paper structure, which limits the overall length of the triple-phase boundary junctions where the oxide, carbon paper, and aqueous electrolyte meet, the corresponding area-specific current density was quite low. The second synthesis approach yielded a more extended, three-dimensional structure via chemical deposition of nanoscale tantalum oxide particles on carbon powder. These catalysts exhibited a high ORR onset potential, comparable to that of Pt, and displayed a significant improvement in the area-specific current density. Overall, the highest mass-specific current density of the carbon-powder supported catalyst was 9% of that of Pt. Copyright (C) 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Kim, Jin Yong; Oh, Tak-Keun; Shin, Yongsoon; Bonnett, Jeff; Weil, K. Scott] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Kim, JY (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM jin.kim@pnl.gov
NR 21
TC 38
Z9 39
U1 5
U2 45
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4557
EP 4564
DI 10.1016/j.ijhydene.2010.05.016
PG 8
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000038
ER
PT J
AU Newkirk, JW
Hsu, JH
Brow, RK
Lillo, T
AF Newkirk, Joseph W.
Hsu, JenHsien
Brow, Richard K.
Lillo, Thomas
TI Chromium-free nickel alloys for hot sulfuric and sulfur environments
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article; Proceedings Paper
CT 4th Symposium on Materials in Clean Power Systems/ 138th Annual Meeting
and Exposition of TMS
CY FEB 15-19, 2009
CL San Francisco, CA
DE Ni-Si-Nb; G-phase (Ni16Si7Nb6); Corrosion; Cold rolling
ID ELEMENTS
AB There are few adequate materials available for severe corrosion conditions, like those of the S-I thermochemical cycle. High Si, Ni-alloys have excellent corrosion resistance, especially in mineral acids, but have typically been limited by poor mechanical properties or difficult fabrication issues. The ductility of nickel silicide, Ni3Si, can be improved through a combination of micro- and macro-alloying. Nb and other minor alloying elements yield a cast alloy with excellent corrosion resistance to sulfuric acid and good mechanical properties. In this paper, efforts to optimize the alloys performance are presented along with progress toward the development of a wrought version of the material. It was found that an appropriate heat treatment provides the largest improvement in the cast Ni-Si alloy microstructure. Trials have resulted in more than a 50% reduction by the cold rolling process. This process not only increases homogenization but also results in a more uniform distribution of G-phase particles, which is beneficial for the improvements in ductility and corrosion resistance. These alloys have great potential for use in future hydrogen production as well as fossil energy combustion. Copyright (C) 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Newkirk, Joseph W.; Hsu, JenHsien; Brow, Richard K.] Missouri Univ Sci & Technol, Rolla, MO 65409 USA.
[Lillo, Thomas] Idaho Natl Lab, Idaho Falls, ID USA.
RP Newkirk, JW (reprint author), Missouri Univ Sci & Technol, 223 McNutt Hall, Rolla, MO 65409 USA.
EM jnewkirk@mst.edu
RI Lilllo, Thomas/S-5031-2016
OI Lilllo, Thomas/0000-0002-7572-7883
NR 11
TC 2
Z9 2
U1 0
U2 5
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4588
EP 4594
DI 10.1016/j.ijhydene.2010.06.007
PG 7
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000042
ER
PT J
AU Nakano, J
Sridhar, S
Bennett, J
Kwong, KS
Moss, T
AF Nakano, Jinichiro
Sridhar, Seetharaman
Bennett, James
Kwong, Kyei-Sing
Moss, Tyler
TI Interactions of refractory materials with molten gasifier slags
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article; Proceedings Paper
CT 4th Symposium on Materials in Clean Power Systems/ 138th Annual Meeting
and Exposition of TMS
CY FEB 15-19, 2009
CL San Francisco, CA
DE Integrated gasification combined cycle (IGCC); Coal; Petcoke; Al2O3;
Cr2O3; Vanadium oxide; Slag; Refractory
ID PETROLEUM COKE; VANADIUM; SYSTEM; ASH
AB The current study focuses on the analysis of sessile-drop interfacial reactions between two synthetic slags (based on average ash chemistries of coal and petcoke feedstock) and two refractory materials (90 wt% Cr2O3-10 wt% Al2O3 and 100 wt% Al2O3), using a Confocal Scanning Laser Microscope (CSLM). Ground slag samples (less than 325 mesh) were placed at specific microstructure locations on refractory substrates and heated to 1500 degrees C in an atmosphere of CO/CO2 gas mixture (volume ratio = 1.8), using a gold-image heating chamber. Cross-sections of the slag/refractory interface indicated unique slag penetration into preferred areas of the refractory and grain dissolution into the slag which promoted spalling of the refractory. Initially, the slag attacked both grain boundaries and fine microstructure areas, freeing alumina grains into the slag. The formation of VOx-based crystalline material in the petcoke slag was found to alter the liquid composition. Chemical spalling of Cr-containing crystal layer also facilitated degradation of the refractory. Copyright (C) 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Nakano, Jinichiro; Bennett, James; Kwong, Kyei-Sing] US DOE, Natl Energy Technol Lab, Albany, OR 97321 USA.
[Sridhar, Seetharaman] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Nakano, Jinichiro; Sridhar, Seetharaman; Moss, Tyler] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
RP Nakano, J (reprint author), US DOE, Natl Energy Technol Lab, 1450 Queen Ave, Albany, OR 97321 USA.
EM jinichiro.nakano@netl.doe.gov
NR 17
TC 19
Z9 23
U1 2
U2 21
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD APR
PY 2011
VL 36
IS 7
SI SI
BP 4595
EP 4604
DI 10.1016/j.ijhydene.2010.04.117
PG 10
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 748MF
UT WOS:000289394000043
ER
PT J
AU Donath, MJ
Dominguez, MA
Withers, ST
AF Donath, Michael J., II
Dominguez, Miguel A.
Withers, Sydnor T., III
TI Development of an Automated Platform for High-Throughput P1-Phage
Transduction of Escherichia coli
SO JALA
LA English
DT Article
DE transduction; synthetic biology; PI phage; Keio collection
ID MICROBIAL-PRODUCTION
AB Synthetic biology depends on the ability to rapidly produce strains with improved phenotypes but is limited by the ability to rapidly produce strain collections with directed mutations. Here, we present a system capable of overcoming this limitation through automated PI-phage transductions of Escherichia coli. By combining the Keio collection of single-gene deletion E. coli mutants with PI-phage, it is possible to generate an engineered host-strain collection consisting of every possible gene deletion mutant. This strategy was tested by transducing 355 genetic markers from the Keio collection into five different host strains, and it achieved a 98% success rate. This method offers an improved mechanism for rapidly engineering collections of microbes and provides one method for rapidly deploying a broader synthetic biology effort. (JALA 2011;16:141-7)
C1 [Donath, Michael J., II; Dominguez, Miguel A.; Withers, Sydnor T., III] Univ Wisconsin, Great Lakes Bioenergy Res Ctr, Madison, WI 53706 USA.
RP Withers, ST (reprint author), Univ Wisconsin, Great Lakes Bioenergy Res Ctr, 1550 Linden Dr, Madison, WI 53706 USA.
EM sydwithers@gmail.com
FU DOE Great Lakes Bioenergy Research Center (DOE BER Office of Science)
[DE-FC02-07ER64494]
FX The authors would like to thank David Keating and Mary Tremaine for
providing strain MT203. The list of Keio collection clones used in this
study was suggested by Jennifer Reed and Joonhoon Kim. This work was
funded by the DOE Great Lakes Bioenergy Research Center (DOE BER Office
of Science DE-FC02-07ER64494).
NR 15
TC 3
Z9 4
U1 6
U2 9
PU SAGE PUBLICATIONS INC
PI THOUSAND OAKS
PA 2455 TELLER RD, THOUSAND OAKS, CA 91320 USA
SN 2211-0682
EI 1540-2452
J9 JALA-J LAB AUTOM
JI JALA
PD APR
PY 2011
VL 16
IS 2
BP 141
EP 147
DI 10.1016/j.jala.2010.08.005
PG 7
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 751JP
UT WOS:000289613700006
PM 21609695
ER
PT J
AU Glasner, JD
Yang, CH
Reverchon, S
Hugouvieux-Cotte-Pattat, N
Condemine, G
Bohin, JP
Van Gijsegem, F
Yang, SH
Franza, T
Expert, D
Plunkett, G
Francisco, MJS
Charkowski, AO
Py, B
Bell, K
Rauscher, L
Rodriguez-Palenzuela, P
Toussaint, A
Holeva, MC
He, SY
Douet, V
Boccara, M
Blanco, C
Toth, I
Anderson, BD
Biehl, BS
Mau, B
Flynn, SM
Barras, F
Lindeberg, M
Birch, PRJ
Tsuyumu, S
Shi, XY
Hibbing, M
Yap, MN
Carpentier, M
Dassa, E
Umehara, M
Kim, JF
Rusch, M
Soni, P
Mayhew, GF
Fouts, DE
Gill, SR
Blattner, FR
Keen, NT
Perna, NT
AF Glasner, Jeremy D.
Yang, Ching-Hong
Reverchon, Sylvie
Hugouvieux-Cotte-Pattat, Nicole
Condemine, Guy
Bohin, Jean-Pierre
Van Gijsegem, Frederique
Yang, Shihui
Franza, Thierry
Expert, Dominique
Plunkett, Guy, III
Francisco, Michael J. San
Charkowski, Amy O.
Py, Beatrice
Bell, Kenneth
Rauscher, Lise
Rodriguez-Palenzuela, Pablo
Toussaint, Ariane
Holeva, Maria C.
He, Sheng Yang
Douet, Vanessa
Boccara, Martine
Blanco, Carlos
Toth, Ian
Anderson, Bradley D.
Biehl, Bryan S.
Mau, Bob
Flynn, Sarah M.
Barras, Frederic
Lindeberg, Magdalen
Birch, Paul R. J.
Tsuyumu, Shinji
Shi, Xiangyang
Hibbing, Michael
Yap, Mee-Ngan
Carpentier, Mathilde
Dassa, Elie
Umehara, Masahiro
Kim, Jihyun F.
Rusch, Michael
Soni, Pritin
Mayhew, George F.
Fouts, Derrick E.
Gill, Steven R.
Blattner, Frederick R.
Keen, Noel T.
Perna, Nicole T.
TI Genome Sequence of the Plant-Pathogenic Bacterium Dickeya dadantii 3937
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID CHRYSANTHEMI; RFAM
AB Dickeya dadantii is a plant-pathogenic enterobacterium responsible for the soft rot disease of many plants of economic importance. We present here the sequence of strain 3937, a strain widely used as a model system for research on the molecular biology and pathogenicity of this group of bacteria.
C1 [Yang, Ching-Hong; Yang, Shihui] Univ Wisconsin, Dept Biol Sci, Milwaukee, WI 53211 USA.
[Reverchon, Sylvie; Hugouvieux-Cotte-Pattat, Nicole; Condemine, Guy] INSA, F-69621 Villeurbanne, France.
[Reverchon, Sylvie; Hugouvieux-Cotte-Pattat, Nicole; Condemine, Guy] Univ Lyon 1, CNRS, UMR 5240, F-69622 Villeurbanne, France.
[Bohin, Jean-Pierre] USTL, CNRS, UMR 8576, F-59655 Villeneuve Dascq, France.
[Van Gijsegem, Frederique; Franza, Thierry; Expert, Dominique; Rauscher, Lise] UPMC, INA PG, INRA, Lab Interact Plantes Pathogenes,UMR 217, F-75005 Paris, France.
[Glasner, Jeremy D.; Plunkett, Guy, III; Anderson, Bradley D.; Biehl, Bryan S.; Mau, Bob; Hibbing, Michael; Rusch, Michael; Soni, Pritin; Mayhew, George F.; Blattner, Frederick R.; Perna, Nicole T.] Univ Wisconsin, Genome Ctr, Madison, WI 53706 USA.
[Francisco, Michael J. San] Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA.
[Plunkett, Guy, III; Blattner, Frederick R.; Perna, Nicole T.] Univ Wisconsin, Dept Genet, Madison, WI 53706 USA.
[Charkowski, Amy O.; Yap, Mee-Ngan] Univ Wisconsin, Dept Plant Pathol, Madison, WI 53706 USA.
[Py, Beatrice; Douet, Vanessa; Barras, Frederic] Univ Aix Marseille 2, Lab Chim Bacterienne, CNRS, UPR9043, F-13402 Marseille 20, France.
[Bell, Kenneth; Holeva, Maria C.; Toth, Ian; Flynn, Sarah M.; Birch, Paul R. J.] Scottish Crop Res Inst, Dundee DD2 5DA, Scotland.
[Rodriguez-Palenzuela, Pablo; Biehl, Bryan S.] ETS Ingenieros Agronomos, UPM, Dept Biotechnol, E-28040 Madrid, Spain.
[Toussaint, Ariane] Univ Libre Bruxelles, SCMBB, Brussels, Belgium.
[He, Sheng Yang] Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
[Boccara, Martine; Carpentier, Mathilde] Univ Paris 06, F-75005 Paris, France.
[Blanco, Carlos] Univ Rennes 1, CNRS, UMR 6026, F-35042 Rennes, France.
[Lindeberg, Magdalen] Cornell Univ, Dept Plant Pathol, Ithaca, NY 14853 USA.
[Tsuyumu, Shinji; Umehara, Masahiro] Shizuoka Univ, Inst Mol Biol & Biotechnol, Shizuoka 4228529, Japan.
[Shi, Xiangyang; Keen, Noel T.] Univ Calif Riverside, Dept Plant Pathol, Riverside, CA 92521 USA.
[Dassa, Elie] Inst Pasteur, Dept Microbiol Fondamentale & Med, Unite Membranes Bacteriennes, CNRS,URA 2172, F-75724 Paris 15, France.
[Kim, Jihyun F.] Korea Res Inst Biosci & Biotechnol, Taejon, South Korea.
[Fouts, Derrick E.; Gill, Steven R.] Inst Genom Res, Rockville, MD 20850 USA.
RP Perna, NT (reprint author), Univ Wisconsin, Dept Genet, 425 Henry Mall, Madison, WI 53706 USA.
EM ntperna@wisc.edu
RI RODRIGUEZ-PALENZUELA, PABLO/A-9149-2012; YANG, SHIHUI/A-6526-2008;
Birch, Paul/F-7681-2012; Kim, Jihyun/B-6286-2013; Mayhew,
George/B-4042-2016; Sylvie, Reverchon/P-7932-2016;
OI RODRIGUEZ-PALENZUELA, PABLO/0000-0002-4963-9177; YANG,
SHIHUI/0000-0002-9394-9148; Kim, Jihyun/0000-0001-7715-6992; Mayhew,
George/0000-0003-0609-6018; Sylvie, Reverchon/0000-0002-0478-3474;
Birch, Paul/0000-0002-6559-3746
FU USDA Cooperative State Research, Education and Extension Service
[2001-52100-11316]
FX The project was supported by the Initiative for Future Agriculture and
Food Systems Program of the USDA Cooperative State Research, Education
and Extension Service (grant number 2001-52100-11316 to N.T.P., F.R.B.,
and N.T.K.).
NR 11
TC 43
Z9 120
U1 0
U2 21
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0021-9193
J9 J BACTERIOL
JI J. Bacteriol.
PD APR
PY 2011
VL 193
IS 8
BP 2076
EP 2077
DI 10.1128/JB.01513-10
PG 2
WC Microbiology
SC Microbiology
GA 746GA
UT WOS:000289229900039
PM 21217001
ER
PT J
AU Brown, SD
Gilmour, CC
Kucken, AM
Wall, JD
Elias, DA
Brandt, CC
Podar, M
Chertkov, O
Held, B
Bruce, DC
Detter, JC
Tapia, R
Han, CS
Goodwin, LA
Cheng, JF
Pitluck, S
Woyke, T
Mikhailova, N
Ivanova, NN
Han, J
Lucas, S
Lapidus, AL
Land, ML
Hauser, LJ
Palumbo, AV
AF Brown, Steven D.
Gilmour, Cynthia C.
Kucken, Amy M.
Wall, Judy D.
Elias, Dwayne A.
Brandt, Craig C.
Podar, Mircea
Chertkov, Olga
Held, Brittany
Bruce, David C.
Detter, John C.
Tapia, Roxanne
Han, Cliff S.
Goodwin, Lynne A.
Cheng, Jan-Fang
Pitluck, Samuel
Woyke, Tanja
Mikhailova, Natalia
Ivanova, Natalia N.
Han, James
Lucas, Susan
Lapidus, Alla L.
Land, Miriam L.
Hauser, Loren J.
Palumbo, Anthony V.
TI Genome Sequence of the Mercury-Methylating Strain Desulfovibrio
desulfuricans ND132
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID ESTUARINE SEDIMENT; REDUCING BACTERIA; METHYLMERCURY; HEALTH
AB Desulfovibrio desulfuricans strain ND132 is an anaerobic sulfate-reducing bacterium (SRB) capable of producing methylmercury (MeHg), a potent human neurotoxin. The mechanism of methylation by this and other organisms is unknown. We present the 3.8-Mb genome sequence to provide further insight into microbial mercury methylation.
C1 [Brown, Steven D.; Elias, Dwayne A.; Brandt, Craig C.; Podar, Mircea; Land, Miriam L.; Hauser, Loren J.; Palumbo, Anthony V.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Gilmour, Cynthia C.] Smithsonian Environm Res Ctr, Edgewater, MD 21037 USA.
[Kucken, Amy M.; Wall, Judy D.] Univ Missouri, Dept Biochem, Columbia, MO 65211 USA.
[Chertkov, Olga; Held, Brittany; Bruce, David C.; Detter, John C.; Tapia, Roxanne; Han, Cliff S.; Goodwin, Lynne A.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
[Chertkov, Olga; Held, Brittany; Bruce, David C.; Detter, John C.; Tapia, Roxanne; Han, Cliff S.; Goodwin, Lynne A.; Cheng, Jan-Fang; Pitluck, Samuel; Woyke, Tanja; Mikhailova, Natalia; Ivanova, Natalia N.; Han, James; Lucas, Susan; Lapidus, Alla L.; Land, Miriam L.; Hauser, Loren J.] US DOE, Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Cheng, Jan-Fang; Pitluck, Samuel; Woyke, Tanja; Mikhailova, Natalia; Ivanova, Natalia N.; Han, James; Lapidus, Alla L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
[Lucas, Susan] Lawrence Livermore Natl Lab, Genom Div, Livermore, CA 94550 USA.
RP Brown, SD (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM brownsd@ornl.gov
RI Palumbo, Anthony/A-4764-2011; Gilmour, Cynthia/G-1784-2010; Elias,
Dwayne/B-5190-2011; Hauser, Loren/H-3881-2012; Lapidus,
Alla/I-4348-2013; Land, Miriam/A-6200-2011; Brown, Steven/A-6792-2011;
OI Palumbo, Anthony/0000-0002-1102-3975; Gilmour,
Cynthia/0000-0002-1720-9498; Elias, Dwayne/0000-0002-4469-6391; Lapidus,
Alla/0000-0003-0427-8731; Land, Miriam/0000-0001-7102-0031; Brown,
Steven/0000-0002-9281-3898; Podar, Mircea/0000-0003-2776-0205
FU Office of Biological and Environmental Research (OBER), Office of
Science, U.S. Department of Energy (DOE); Oak Ridge National Laboratory
[DE-FG02-073464396]; U.S. Department of Energy [DE-AC05-00OR22725];
Office of Science of the U.S. Department of Energy [AC02-05CH11231]
FX This research was supported by the Office of Biological and
Environmental Research (OBER), Office of Science, U.S. Department of
Energy (DOE), as part of the Mercury Science Focus Area Program at Oak
Ridge National Laboratory and grant DE-FG02-073464396 (J.D.W.). Oak
Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S.
Department of Energy under contract DE-AC05-00OR22725. 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.
NR 15
TC 19
Z9 21
U1 1
U2 17
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 APR
PY 2011
VL 193
IS 8
BP 2078
EP 2079
DI 10.1128/JB.00170-11
PG 2
WC Microbiology
SC Microbiology
GA 746GA
UT WOS:000289229900040
PM 21357488
ER
PT J
AU Miller, MB
Chen, DL
Luebke, DR
Johnson, JK
Enick, RM
AF Miller, Matthew B.
Chen, De-Li
Luebke, David R.
Johnson, J. Karl
Enick, Robert M.
TI Critical Assessment of CO2 Solubility in Volatile Solvents at 298.15 K
SO JOURNAL OF CHEMICAL AND ENGINEERING DATA
LA English
DT Article
ID VAPOR-LIQUID-EQUILIBRIUM; ACTIVITY-COEFFICIENT MODEL; X-Y DIAGRAMS;
CARBON-DIOXIDE; COSMO-RS; BINARY-MIXTURES; PHASE-EQUILIBRIA; IONIC
LIQUIDS; BASIS-SETS; PREDICTION
AB Fifteen different low molar mass compounds are assessed as CO2 solvents based on bubble-point loci on the solvent-rich end (0.6 to 1.0 solvent wt fraction) of the CO2-solvent pressure-composition diagram at 298.15 K. Four of the five best solvents (in descending order of solvent strength on a mass fraction CO2 dissolved basis), acetone, methyl acetate, 1,4-dioxane, and 2-methoxyethyl acetate, are oxygen-rich, low molar mass species possessing one or more oxygen atoms in carbonyl, ether, and/or acetate groups that can interact favorably with CO2 via Lewis acid/Lewis base interactions. Methanol, a very low molar mass solvent, is comparable to 1,4-dioxane in solvent strength. The remaining solvents, in descending order of solvent strength on a mass basis, include 2-nitropropane, N,N-dimethylacetamide, acetylacetone, 1-nitropropane, iso-octane, 2-(2-butoxyethoxy)ethyl acetate, N-formylmorpholine, propylene carbonate, 2-butoxyethyl acetate, and N-tert-butylformamide. When compared on a molar basis, each of the six best CO2 solvents, 2-(2-butoxyethoxy)ethyl acetate, methyl acetate, 2-methoxyethyl acetate, 1,4-dioxane, acetone, and acetyl acetone, is rich in CO2-philic ether or carbonyl oxygen atoms. Methanol, which possesses a CO2-phobic hydroxyl group, is the worst CO2 solvent. COSMOtherm accurately predicted the relative solvent strengths of eight of the solvents that contain carbonyl, acetate, ether, and carbonate groups. However, COSMOtherm was not able to predict the correct ordering of solvents possessing hydroxyl, nitro-, amide, secondary amine, and tertiary amine groups. This important failure of the COSMOtherm approach for these molecules is apparently due to problems with the COSMO-RS parametrization.
C1 [Miller, Matthew B.; Luebke, David R.; Johnson, J. Karl; Enick, Robert M.] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Miller, Matthew B.; Chen, De-Li; Johnson, J. Karl; Enick, Robert M.] Univ Pittsburgh, Dept Chem Engn, Pittsburgh, PA 15261 USA.
RP Miller, MB (reprint author), Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
EM monophots@gmail.com
RI Chen, De-Li/H-6867-2012; Johnson, Karl/E-9733-2013
OI Johnson, Karl/0000-0002-3608-8003
FU National Energy Technology Laboratory; RDS [DE-AC26-04NT41817]
FX The authors would like to thank the National Energy Technology
Laboratory for its support and ongoing research in the area of carbon
management under the RDS contract DE-AC26-04NT41817.
NR 55
TC 11
Z9 12
U1 2
U2 43
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 APR
PY 2011
VL 56
IS 4
BP 1565
EP 1572
DI 10.1021/je101161d
PG 8
WC Thermodynamics; Chemistry, Multidisciplinary; Engineering, Chemical
SC Thermodynamics; Chemistry; Engineering
GA 748PQ
UT WOS:000289403300115
ER
PT J
AU Flesher, ND
Chang, FK
Janapala, NR
Starbuck, JM
AF Flesher, Nathan D.
Chang, Fu-Kuo
Janapala, Nageswara R.
Starbuck, J. Michael
TI A dynamic crash model for energy absorption in braided composite
materials - Part II: Implementation and verification
SO JOURNAL OF COMPOSITE MATERIALS
LA English
DT Article
DE carbon fiber; matrix cracking; stress concentration; energy absorption;
viscoplasticity
ID TUBES; FIBER; CAPACITY; STRAIN
AB A dynamic crash model is developed and implemented to model the failure behavior and energy absorption of braided composite structures. Part I describes the development and theoretical foundation of a viscoplastic material model that captures the rate-dependent behavior present in braided composite materials. Part II presents the implementation of the model into a finite element model program and the experimental results for tubes crushed from quasi-static to 4000 mm/s rates used to verify the model. Energy absorption decreases sharply with an increase in crush rate, which is reflected in this model. Design concepts are also introduced to increase energy absorption in braided composites.
C1 [Flesher, Nathan D.; Chang, Fu-Kuo; Janapala, Nageswara R.] Stanford Univ, Dept Aeronaut & Astronaut, Stanford, CA 94305 USA.
[Starbuck, J. Michael] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Chang, FK (reprint author), Stanford Univ, Dept Aeronaut & Astronaut, Durand Bldg,Rm 250,496 Lomita Mall, Stanford, CA 94305 USA.
EM fkchang@stanford.edu
RI Starbuck, James/E-1442-2017
OI Starbuck, James/0000-0002-3814-9156
NR 23
TC 5
Z9 5
U1 0
U2 14
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 0021-9983
EI 1530-793X
J9 J COMPOS MATER
JI J. Compos Mater.
PD APR
PY 2011
VL 45
IS 8
BP 867
EP 882
DI 10.1177/0021998311398386
PG 16
WC Materials Science, Composites
SC Materials Science
GA 748UI
UT WOS:000289417700002
ER
PT J
AU Eagleman, YD
Bourret-Courchesne, E
Derenzo, SE
AF Eagleman, Yetta D.
Bourret-Courchesne, Edith
Derenzo, Stephen E.
TI Room-temperature scintillation properties of cerium-doped REOX (RE=Y,
La, Gd, and Lu; X=F, Cl, Br, and I)
SO JOURNAL OF LUMINESCENCE
LA English
DT Article
DE Scintillator; Cerium; Oxyhalides; Luminescence
ID INORGANIC SCINTILLATORS; CRYSTAL-STRUCTURE; LUMINESCENCE; SPECTROSCOPY;
PRINCIPLES; PHOSPHORS; SYSTEMS; CE
AB The scintillation properties of cerium-doped oxyhalides following the general formula REOX (RE=Y, La, Gd, and Lu; X = F, Cl, Br, and I) are reported. These materials were synthesized under dry conditions as microcrystalline powders from conventional solid state reactions. The room temperature X-ray excited emission and scintillation decay curves were measured and analyzed for each material. Additionally, the hygroscopic nature of the oxychlorides and oxybromides was compared to that of their corresponding rare earth halides. The yttrium, lanthanum, and gadolinium oxychlorides, and all of the oxybromides and oxyiodides are found to be activated by Ce3+. GdOBr doped with 0.5% Ce3+ has the highest light output with a relative luminosity of about one-half that of LaBr3: Ce3+. It displays a single exponential decay of 30 ns. Published by Elsevier B.V.
C1 [Eagleman, Yetta D.; Bourret-Courchesne, Edith; Derenzo, Stephen E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Eagleman, YD (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM ydeagleman@lbl.gov
FU US Department of Homeland Security; Lawrence Berkeley National
Laboratory under US Department of Energy [DE-AC02-05CH11231]
FX The authors would like to thank Marvin Weber for his invaluable input in
the writing of this manuscript and all the members of the Department of
Radiotracer Development and Imaging Technology at LBNL. In addition, we
want to thank Matthias Klintenberg for his suggestions to investigate
several of these materials. This work was supported by the US Department
of Homeland Security and was carried out at the Lawrence Berkeley
National Laboratory under US Department of Energy Contract no.
DE-AC02-05CH11231.
NR 37
TC 12
Z9 14
U1 3
U2 43
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-2313
J9 J LUMIN
JI J. Lumines.
PD APR
PY 2011
VL 131
IS 4
BP 669
EP 675
DI 10.1016/j.jlumin.2010.11.013
PG 7
WC Optics
SC Optics
GA 747NF
UT WOS:000289326000022
ER
PT J
AU Bahl, G
Salvia, JC
Melamud, R
Kim, B
Howe, RT
Kenny, TW
AF Bahl, Gaurav
Salvia, James C.
Melamud, Renata
Kim, Bongsang
Howe, Roger T.
Kenny, Thomas W.
TI AC Polarization for Charge-Drift Elimination in Resonant Electrostatic
MEMS and Oscillators
SO JOURNAL OF MICROELECTROMECHANICAL SYSTEMS
LA English
DT Article
DE AC biasing; charging; dielectrics; drift; frequency stability;
oscillators; resonators
ID FREQUENCY
AB This paper proposes the use of ac polarization for resonant electrostatic microelectromechanical systems that eliminates the frequency drift caused by dielectric charging and charge screening. It is mathematically and experimentally shown that an ac-polarized resonator can sustain stable oscillations when used in a positive feedback oscillator circuit. We also demonstrate an oscillator topology that generates a drift-free reference frequency tone with this technique in spite of using a resonator that exhibits large frequency drifts under dc polarization. Long-term data are presented for these drift-susceptible devices, showing a significant improvement in frequency stability. [2010-0104]
C1 [Bahl, Gaurav] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA.
[Salvia, James C.; Melamud, Renata] SiTime Corp, Sunnyvale, CA 94085 USA.
[Kim, Bongsang] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Howe, Roger T.] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA.
[Kenny, Thomas W.] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA.
RP Bahl, G (reprint author), Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA.
EM bahlg@umich.edu; jsalvia@stanford.edu; rmelamud@gmail.com;
bongsang@gmail.com; rthowe@stanford.edu; tkenny@stanford.edu
RI Mischo, William/I-1684-2013; Bahl, Gaurav/A-5044-2014
OI Mischo, William/0000-0003-4234-9836; Bahl, Gaurav/0000-0001-7801-2739
FU Defense Advanced Research Projects Agency (DARPA) [HR0011-06-0049];
Bosch; Epson; HP; Agilent; Boeing; Qualcomm; DARPA Harsh Environment
Robust Micro-mechanical Technology [ONR N66001-03-1-8942]; National
Science Foundation [ECS-9731294, DMR 9504099]; Stanford Graduate
Fellowship
FX This work was supported in part by the Defense Advanced Research
Projects Agency (DARPA) under Grant HR0011-06-0049 (Dr. D. L. Polla,
Program Manager), by Bosch, by Epson, by HP, by Agilent, by Boeing, by
Qualcomm, by the DARPA Harsh Environment Robust Micro-mechanical
Technology under Grant ONR N66001-03-1-8942, by the National
Nanofabrication Users Network facilities funded by the National Science
Foundation under Award ECS-9731294, and by the National Science
Foundation Instrumentation for Materials Research Program under Grant
DMR 9504099. The work of J. C. Salvia was supported in part by a
National Science Foundation Graduate Fellowship. The work of R. Melamud
was supported in part by a Stanford Graduate Fellowship. Subject Editor
C. Hierold.
NR 21
TC 7
Z9 7
U1 1
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1057-7157
J9 J MICROELECTROMECH S
JI J. Microelectromech. Syst.
PD APR
PY 2011
VL 20
IS 2
BP 355
EP 364
DI 10.1109/JMEMS.2010.2100027
PG 10
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Instruments & Instrumentation; Physics, Applied
SC Engineering; Science & Technology - Other Topics; Instruments &
Instrumentation; Physics
GA 745XR
UT WOS:000289205400002
ER
PT J
AU Agarwal, G
Isacoff, E
AF Agarwal, Gautam
Isacoff, Ehud
TI Specializations of a pheromonal glomerulus in the Drosophila olfactory
system
SO JOURNAL OF NEUROPHYSIOLOGY
LA English
DT Article
DE antennal lobe; functional imaging; odor localization; winner-take-all
network
ID MOTH MANDUCA-SEXTA; ANTENNAL LOBE; MORPHOLOGICAL CHARACTERIZATION; LOCAL
INTERNEURONS; SENSITIVE NEURONS; RECEPTIVE-FIELDS; NEURAL ACTIVITY;
GAIN-CONTROL; MELANOGASTER; INHIBITION
AB Agarwal G, Isacoff E. Specializations of a pheromonal glomerulus in the Drosophila olfactory system. J Neurophysiol 105: 1711-1721, 2011. First published February 2, 2011; doi:10.1152/jn.00591.2010.-Insect pheromonal glomeruli are thought to track the fine spatiotemporal features of one or a few odorants to aid conspecific localization. However, it is not clear whether they function differently from generalist glomeruli, which respond to many odorants. In this study, we test how DA1, a model pheromonal glomerulus in the fruit fly, represents the spatial and temporal properties of its input, compared with other glomeruli. We combine calcium imaging and electrical stimulation in an isolated brain preparation for a simultaneous, unbiased comparison of the functional organization of many glomeruli. In contrast to what is found in other glomeruli, we find that ipsilateral and contralateral stimuli elicit distinct spatial patterns of activity within DA1. DA1's output shows a greater preference for ipsilateral stimuli in males than in females. DA1 experiences greater and more rapid inhibition than other glomeruli, allowing it to report slight interantennal delays in stimulus onset in a "winner-take-all" manner. DA1's ability to encode spatiotemporal input features distinguishes it from other glomeruli in the fruit fly antennal lobe but relates it to pheromonal glomeruli in other insect species. We propose that DA1 is specialized to help the fly localize and orient with respect to pheromone sources.
C1 [Agarwal, Gautam; Isacoff, Ehud] Univ Calif Berkeley, Neurosci Grad Program, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
[Isacoff, Ehud] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Isacoff, Ehud] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Isacoff, Ehud] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Isacoff, E (reprint author), Univ Calif Berkeley, Neurosci Grad Program, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
EM ehud@berkeley.edu
OI Agarwal, Gautam/0000-0001-7300-7586
FU Howard Hughes Medical Institute; National Science Foundation [FIBR
7H-1081892]
FX This work was supported by a Howard Hughes Medical Institute Predoctoral
Fellowship (to G. Agarwal) and the National Science Foundation (FIBR
7H-1081892).
NR 55
TC 6
Z9 6
U1 0
U2 2
PU AMER PHYSIOLOGICAL SOC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-3077
EI 1522-1598
J9 J NEUROPHYSIOL
JI J. Neurophysiol.
PD APR
PY 2011
VL 105
IS 4
BP 1711
EP 1721
DI 10.1152/jn.00591.2010
PG 11
WC Neurosciences; Physiology
SC Neurosciences & Neurology; Physiology
GA 751LW
UT WOS:000289620500026
PM 21289134
ER
PT J
AU Hunt, SW
Yang, L
Wang, XP
Richmond, MG
AF Hunt, Sean W.
Yang, Li
Wang, Xiaoping
Richmond, Michael G.
TI New osmium cluster compounds containing the heterocyclic ligand
2,3-bis-(diphenylphosphino)quinoxaline (dppq): Ligand isomerization and
crystal structures of dppq, the isomeric clusters Os-3(CO)(10)(dppq),
and HOs3(CO)(9)[mu-2,3-PhP(eta(1)-C6H4)(Ph2P)quinoxaline]
SO JOURNAL OF ORGANOMETALLIC CHEMISTRY
LA English
DT Article
DE Osmium clusters; Diphosphine isomerization; P-C bond activation;
Crystallography; Redox properties
ID X-RAY STRUCTURES; PARAMAGNETIC ORGANOMETALLIC MOLECULES; P-C BOND;
TRIOSMIUM CLUSTER; DIPHOSPHINE ISOMERIZATION; CHELATING ISOMERS;
TRIANGULAR CLUSTER; CARBONYL HYDRIDES; PHOSPHINE LIGAND;
ORTHO-METALATION
AB Treatment of the labile cluster 1,2-Os-3(CO)(10)(MeCN)(2) (1) with the diphosphine ligand 2,3-bis(diphenylphosphino) quinoxaline (dppq) at room temperature affords 1,2-Os-3(CO)(10)(dppq) (2b) as the kinetic product of ligand substitution in 84% yield. 2b isomerizes to the thermodynamically more stable dppq-chelated cluster 1,1-Os-3(CO)(10)(dppq) (2c) as the sole observable product under CO at temperatures below 358 K. The kinetics for the conversion of 2b -> 2c have been investigated by NMR spectroscopy in CDCl3 over the temperature range 323-353 K, and the reaction was found to exhibit a rate law that is first order in 2b. The calculated activation parameters [Delta H-not equal = 25.4(4) kcal/mol; Delta S-not equal = -3(1) eu] support an intramolecular isomerization scenario, one that involves the migration of phosphine and CO groups about the cluster polyhedron. The disposition of the dppq ligand in the isomeric Os-3(CO)(10)(dppq) clusters has been established by X-ray crystallography and P-31 NMR spectroscopy. Photolysis of 2c at 366 nm leads to CO loss and ortho metalation of one of the aryl groups on the Ph2P moiety to furnish the hydride cluster HOs3(CO)(9)[mu-PhP(eta(1)-C6H4)(Ph2P) quinoxaline] (3). The isomerization behavior exhibited by 2b follows that of related diphosphine-substituted Os-3 clusters prepared by us. (c) 2011 Elsevier B.V. All rights reserved.
C1 [Hunt, Sean W.; Yang, Li; Richmond, Michael G.] Univ N Texas, Dept Chem, Denton, TX 76203 USA.
[Wang, Xiaoping] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
RP Richmond, MG (reprint author), Univ N Texas, Dept Chem, Denton, TX 76203 USA.
EM cobalt@unt.edu
RI Wang, Xiaoping/E-8050-2012
OI Wang, Xiaoping/0000-0001-7143-8112
FU Robert A. Welch Foundation [B-1093-MGR]; U.S. Department of Energy,
Office of Science [DE-AC05-00OR22725]; NSF at UNT [CHE-0840518,
CHE-0741936]
FX Financial support from the Robert A. Welch Foundation (Grant B-1093-MGR)
is greatly appreciated, and X. Wang acknowledges support by the U.S.
Department of Energy, Office of Science, under Contract No.
DE-AC05-00OR22725 managed by UT Battelle, LLC. NSF support of the NMR
and computational facilities at UNT through grants CHE-0840518 and
CHE-0741936 is acknowledged. We also wish to thank Prof. Michael B. Hall
(TAMU) for providing us a copy of his JIMP2 program, which was used to
prepare the geometry-optimized structures reported here, and Dr. David
A. Hrovat (Center for Advanced Scientific Computing and Modeling, UNT)
for his assistance and guidance with computational aspects for this
work.
NR 58
TC 7
Z9 7
U1 0
U2 4
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0022-328X
J9 J ORGANOMET CHEM
JI J. Organomet. Chem.
PD APR 1
PY 2011
VL 696
IS 7
BP 1432
EP 1440
DI 10.1016/j.jorganchem.2011.01.019
PG 9
WC Chemistry, Inorganic & Nuclear; Chemistry, Organic
SC Chemistry
GA 746IA
UT WOS:000289236800015
ER
PT J
AU Gering, KL
Sazhin, SV
Jamison, DK
Michelbacher, CJ
Liaw, BY
Dubarry, M
Cugnet, M
AF Gering, Kevin L.
Sazhin, Sergiy V.
Jamison, David K.
Michelbacher, Christopher J.
Liaw, Bor Yann
Dubarry, Matthieu
Cugnet, Mikael
TI Investigation of path dependence in commercial lithium-ion cells chosen
for plug-in hybrid vehicle duty cycle protocols
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Lithium-ion battery; Path dependence; Aging mechanisms; PHEV; Thermal
cycling
ID BATTERY PERFORMANCE; FADING MECHANISM; CAPACITY FADE; OPERATION
AB There is a growing need to explore path dependence of aging processes in batteries developed for long-term usage, such as lithium-ion cells used in hybrid electric vehicle (HEV) or plug-in hybrid vehicle (PHEV) applications that may then be "retired" to be utilized in grid applications. To better understand the foremost influences on path dependence in the PHEV context, this work aims to bridge the gap between ideal laboratory test conditions and PHEV field conditions by isolating the predominant aging factors in PHEV service, which would include, for example, the nature and frequency of duty cycles, as well as the frequency and severity of thermal cycles. These factors are studied in controlled and repeatable laboratory conditions to facilitate mechanistic evaluation of aging processes. This work is a collaboration between Idaho National Laboratory (INL) and the Hawaii Natural Energy Institute (HNEI). Commercial lithium-ion cells of the Sanyo Y type (18650 configuration) are used in this work covering two initial independent studies of path dependence issues. The first study considers how the magnitude of power pulses and charging rates affect the aging rate, while the second seeks to answer whether thermal cycling has an accelerating effect on cell aging. While this work is in early stages of testing, initial data trends show that cell aging is indeed accelerated under conditions of high discharge pulse power, higher charge rates, and thermal cycling. Such information is useful in developing accurate predictive models for estimating end-of-life conditions. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Gering, Kevin L.; Sazhin, Sergiy V.; Jamison, David K.; Michelbacher, Christopher J.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Liaw, Bor Yann; Dubarry, Matthieu; Cugnet, Mikael] Univ Hawaii Manoa, Hawaii Nat Energy Inst, Honolulu, HI 96822 USA.
RP Gering, KL (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM kevin.gering@inl.gov
RI Dubarry, Matthieu/B-4333-2012
OI Dubarry, Matthieu/0000-0002-3228-1834
NR 15
TC 23
Z9 23
U1 4
U2 44
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
EI 1873-2755
J9 J POWER SOURCES
JI J. Power Sources
PD APR 1
PY 2011
VL 196
IS 7
SI SI
BP 3395
EP 3403
DI 10.1016/j.jpowsour.2010.05.058
PG 9
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 747MV
UT WOS:000289325000002
ER
PT J
AU Sazhin, SV
Harrup, MK
Gering, KL
AF Sazhin, Sergiy V.
Harrup, Mason K.
Gering, Kevin L.
TI Characterization of low-flammability electrolytes for lithium-ion
batteries
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Lithium ion battery; Low-flammability electrolyte; Phosphazene; Solid
electrolyte interphase
AB In an effort to develop low-flammability electrolytes for a new generation of Li-ion batteries, we have evaluated physical and electrochemical properties of electrolytes with two novel phosphazene additives. We have studied performance quantities including conductivity, viscosity, flash point, and electrochemical window of electrolytes as well as formation of solid electrolyte interphase (SEI) films. In the course of study, the necessity for a simple method of SEI characterization was realized. Therefore, a new method and new criteria were developed and validated on 10 variations of electrolyte/electrode substrates. Based on the summation of determined physical and electrochemical properties of phosphazene-based electrolytes, one structure of phosphazene compound was found better than the other. This capability helps to direct our further synthetic work in phosphazene chemistry. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Sazhin, Sergiy V.; Harrup, Mason K.; Gering, Kevin L.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Sazhin, SV (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM Sergy.Sazhin@inl.gov
NR 12
TC 27
Z9 28
U1 3
U2 40
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
EI 1873-2755
J9 J POWER SOURCES
JI J. Power Sources
PD APR 1
PY 2011
VL 196
IS 7
SI SI
BP 3433
EP 3438
DI 10.1016/j.jpowsour.2010.09.019
PG 6
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 747MV
UT WOS:000289325000007
ER
PT J
AU Zhang, XF
Zheng, HH
Battaglia, V
Axelbaum, RL
AF Zhang, Xiaofeng
Zheng, Honghe
Battaglia, Vincent
Axelbaum, Richard L.
TI Electrochemical performance of spinel LiMn2O4 cathode materials made by
flame-assisted spray technology
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE LiMn2O4; Flame synthesis; Cathode materials; Li-ion secondary batteries
ID LITHIUM BATTERIES; PYROLYSIS METHOD; ION BATTERIES; DRYING METHOD;
THIN-FILMS; SOL-GEL; NANOPARTICLES; POWDERS; SECONDARY; INSERTION
AB Spinel lithium manganese oxide LiMn2O4 powders were synthesized by a flame-assisted spray technology (FAST) with a precursor solution consisting of stoichiometric amounts of LiNO3 and Mn(NO3)(2)center dot 4H(2)O dissolved in methanol. The as-synthesized LiMn2O4 particles were non-agglomerated, and nanocrystalline. A small amount of Mn3O4 was detected in the as-synthesized powder due to the decomposition of spinet LiMn2O4 at the high flame temperature. The impurity phase was removed with a post-annealing heat-treatment wherein the grain size of the annealed powder was 33 nm. The charge/discharge curves of both powders matched the characteristic plateaus of spinet LiMn2O4 at 3 V and 4V vs. Li. However. the annealed powder showed a higher initial discharge capacity of 115 mAh g(-1) at 4 V. The test cell with annealed powder showed good rate capability between a voltage of 3.0 and 4.3 V and a first cycle coulombic efficiency of 96%. The low coulombic efficiency from capacity fading may be due to oxygen defects in the annealed powder. The results suggest that FAST holds potential for rapid production of uniform cathode materials with low-cost nitrate precursors and minimal energy input. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Zhang, Xiaofeng; Axelbaum, Richard L.] Washington Univ, Dept Energy Environm & Chem Engn, Ctr Mat Innovat, St Louis, MO 63130 USA.
[Zheng, Honghe; Battaglia, Vincent] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Energy Technol Dept, Berkeley, CA 94720 USA.
RP Axelbaum, RL (reprint author), Washington Univ, Dept Energy Environm & Chem Engn, Ctr Mat Innovat, 1 Brookings Dr, St Louis, MO 63130 USA.
EM axelbaum@wustl.edu
FU NSF; Center for Materials Innovation at Washington University
FX The authors are grateful to the assistance from Dr. Gao Liu at Lawrence
Berkeley National Laboratory for battery performance test, and the NSF
and the Center for Materials Innovation at Washington University for
financial support.
NR 42
TC 30
Z9 32
U1 2
U2 63
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
EI 1873-2755
J9 J POWER SOURCES
JI J. Power Sources
PD APR 1
PY 2011
VL 196
IS 7
SI SI
BP 3640
EP 3645
DI 10.1016/j.jpowsour.2010.07.008
PG 6
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 747MV
UT WOS:000289325000034
ER
PT J
AU Pan, AQ
Choi, DW
Zhang, JG
Liang, SQ
Cao, GZ
Nie, ZM
Arey, BW
Liu, J
AF Pan, Anqiang
Choi, Daiwon
Zhang, Ji-Guang
Liang, Shuquan
Cao, Guozhong
Nie, Zimin
Arey, Bruce W.
Liu, Jun
TI High-rate cathodes based on Li3V2(PO4)(3) nanobelts prepared via
surfactant-assisted fabrication
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Li-ion batteries; Cathode; Lithium vanadium phosphate; Nanobelt;
Surfactant
ID LITHIUM-ION BATTERIES; LIFEPO4; PERFORMANCE; COMPOSITE
AB In this work, we have synthesized monoclinic Li3V2(PO4)(3) nanobelts via a single-step, solid-state reaction process in a molten hydrocarbon. The as-prepared Li3V2(PO4)(3) nanoparticles have a unique nanobelt shape and are similar to 50-nm thick. When cycled in a voltage range between 3.0 V and 4.3 Vat a 1C rate, these unique Li3V2(PO4)(3) nanobelts demonstrate a specific discharge capacity of 131 mAh g(-1) (which is close to the theoretical capacity of 132 mAh g(-1)) and stable cycling characteristics. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Pan, Anqiang; Choi, Daiwon; Zhang, Ji-Guang; Nie, Zimin; Arey, Bruce W.; Liu, Jun] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Pan, Anqiang; Liang, Shuquan] Cent S Univ, Dept Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China.
[Cao, Guozhong] Univ Washington, Seattle, WA 98195 USA.
RP Zhang, JG (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM jiguang.zhang@pnl.gov; lsq@mail.csu.edu.cn; jun.liu@pnl.gov
RI Choi, Daiwon/B-6593-2008; Cao, Guozhong/E-4799-2011
FU National Nature Science Foundation of China [50774097]; Pacific
Northwest National Laboratory; Office of Vehicle Technologies of the
U.S. Department of Energy (DOE); Chinese Scholarship Council; DOE's
Office Biological and Environmental Research
FX We acknowledge support from the National Nature Science Foundation of
China (No. 50774097), the Laboratory Directed Research and Development
Program at Pacific Northwest National Laboratory, and the Office of
Vehicle Technologies of the U.S. Department of Energy (DOE). A. Pan
appreciates the financial support provided by the Chinese Scholarship
Council. The FIB-SEM analysis was performed at the Environmental
Molecular Sciences Laboratory, a national scientific-user facility
sponsored by the DOE's Office Biological and Environmental Research and
located at PNNL.
NR 17
TC 59
Z9 63
U1 7
U2 71
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
EI 1873-2755
J9 J POWER SOURCES
JI J. Power Sources
PD APR 1
PY 2011
VL 196
IS 7
SI SI
BP 3646
EP 3649
DI 10.1016/j.jpowsour.2010.12.067
PG 4
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 747MV
UT WOS:000289325000035
ER
PT J
AU Hong, JA
Wang, F
Wang, XL
Graetz, J
AF Hong, Jian
Wang, Feng
Wang, Xiaoliang
Graetz, Jason
TI LiFexMn1-xPO4: A cathode for lithium-ion batteries
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Cathode; Lithium manganese phosphate; Iron substitution; Nanoporous;
Carbon coating
ID ELECTRODE MATERIALS; PHOSPHO-OLIVINES; PERFORMANCE; LIMNPO4;
LI-X(MNYFE1-Y)PO4; MN; FE
AB The high redox potential of LiMnPO4, similar to 4.0 vs. (Li+/Li), and its high theoretical capacity of 170 mAh g(-1) makes it a promising candidate to replace LiCoO2 as the cathode in Li-ion batteries. However, it has attracted little attention because of its severe kinetic problems during cycling. Introducing iron into crystalline LiMnPO4 generates a solid solution of LiFexMn1-xPO4 and increases kinetics; hence, there is much interest in determining the Fe-to-Mn ratio that will optimize electrochemical performance. To this end, we synthesized a series of nanoporous LiFexMn1-xPO4 compounds (with x = 0, 0.05, 0.1, 0.15, and 0.2), using an inexpensive solid-state reaction. The electrodes were characterized using X-ray diffraction and energy-dispersive spectroscopy to examine their crystal structure and elemental distribution. Scanning-, tunneling-, and transmission-electron microscopy (viz., SEM, STEM, and TEM) were employed to characterize the micromorphology of these materials; the carbon content was analyzed by thermogravimetric analyses (TGAs). We demonstrate that the electrochemical performance of LiFexMn1-xPO4 rises continuously with increasing iron content. In situ synchrotron studies during cycling revealed a reversible structural change when lithium is inserted and extracted from the crystal structure. Further, introducing 20% iron (e.g., LiFe0.2Mn0.8FO4) resulted in a promising capacity (138 mAh g(-1) at C/10), comparable to that previously reported for nano-LiMnPO4. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Hong, Jian; Graetz, Jason] Brookhaven Natl Lab, Dept Sustainable Energy Technol, Upton, NY 11973 USA.
[Wang, Feng] Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA.
[Wang, Xiaoliang] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Graetz, J (reprint author), Brookhaven Natl Lab, Dept Sustainable Energy Technol, Upton, NY 11973 USA.
EM graetz@bnl.gov
RI Wang, Feng/C-1443-2016
OI Wang, Feng/0000-0003-4068-9212
FU U.S. Department of Energy [DE-AC02-98CH1-886]
FX The authors thank financial support from the Laboratory Directed
Research and Development (LDRD) program under Contract No.
DE-AC02-98CH1-886 with the U.S. Department of Energy. The contribution
of beamline X7B of National Synchrotron Light Source at Brookhaven
National Laboratory is gratefully acknowledged.
NR 16
TC 55
Z9 60
U1 10
U2 135
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
EI 1873-2755
J9 J POWER SOURCES
JI J. Power Sources
PD APR 1
PY 2011
VL 196
IS 7
SI SI
BP 3659
EP 3663
DI 10.1016/j.jpowsour.2010.12.045
PG 5
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 747MV
UT WOS:000289325000038
ER
PT J
AU Vijayakumar, M
Li, LY
Graff, G
Liu, J
Zhang, HM
Yang, ZG
Hu, JA
AF Vijayakumar, M.
Li, Liyu
Graff, Gordon
Liu, Jun
Zhang, Huamin
Yang, Zhenguo
Hu, Jian Zhi
TI Towards understanding the poor thermal stability of V5+ electrolyte
solution in Vanadium Redox Flow Batteries
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE O-17 and V-51 NMR; Vanadium Redox Flow Battery; Vanadium electrolytes;
V2O5 precipitation
ID CELL ELECTROLYTE; PRECIPITATION; PERFORMANCE; EQUILIBRIA; STORAGE;
WATER; VO2+
AB The V5+ electrolyte solution from Vanadium Redox Flow Batteries was studied by variable temperature O-17 and V-51 Nuclear Magnetic Resonance (NMR) spectroscopy and density functional theory (DFT) based computational modeling. It was found that the V5+ species exist as hydrated penta co-ordinated vanadate ion, i.e. [VO2(H2O)(3)](1+). This hydrated structure is not stable at elevated temperature and change into neutral H3VO4 molecule via a deprotonation process and subsequently leading to the observed V2O5 precipitation in Vs electrolyte solutions. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Vijayakumar, M.; Li, Liyu; Graff, Gordon; Liu, Jun; Yang, Zhenguo] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Zhang, Huamin; Hu, Jian Zhi] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China.
RP Yang, ZG (reprint author), Pacific NW Natl Lab, 3335 Q Ave ,MSIN K8-98, Richland, WA 99352 USA.
EM Vijayakurnar.Murugesan@pnl.gov; zgary.yang@pnl.gov; Jianzhi.Hu@pnl.gov
RI Murugesan, Vijayakumar/C-6643-2011; Hu, Jian Zhi/F-7126-2012
OI Murugesan, Vijayakumar/0000-0001-6149-1702;
FU PNNL; Office of Electricity (OE), and the U.S. Department of Energy
(DOE) [57558]; DOE; National Basic Research Program of China (973
Program) [2010CB227200]
FX This work is supported by LDRD Program of the PNNL, Office of
Electricity (OE), and the U.S. Department of Energy (DOE) under contract
#57558. The NMR work was carried out at EMSL, a national scientific user
facility sponsored by the DOE. We thank Drs. Baowei Chen, Zimin Nie,
Birgit Schwenzer, and Kim Soowhan (all of PNNL) for preparing
V5+ solutions and valuable suggestions. HM Zhang thanks
National Basic Research Program of China (973 Program, 2010CB227200) for
financial support.
NR 21
TC 82
Z9 87
U1 10
U2 69
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
J9 J POWER SOURCES
JI J. Power Sources
PD APR 1
PY 2011
VL 196
IS 7
SI SI
BP 3669
EP 3672
DI 10.1016/j.jpowsour.2010.11.126
PG 4
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 747MV
UT WOS:000289325000040
ER
PT J
AU Bridges, CA
Sefat, AS
Payzant, EA
Cranswick, L
Paranthaman, MP
AF Bridges, C. A.
Sefat, A. S.
Payzant, E. A.
Cranswick, L.
Paranthaman, M. P.
TI Structure and magnetic order in the series BixRE1-xFe0.5Mn0.5O3
(RE=La,Nd)
SO JOURNAL OF SOLID STATE CHEMISTRY
LA English
DT Article
DE Powder neutron diffraction; Crystal structure; Multiferroic; Perovskite;
BixRE1-xFe0.5Mn0.5O3+delta (RE= La,Nd); Antiferromagnetic; Bond valence
ID NEUTRON POWDER DIFFRACTION; GROUP-THEORETICAL ANALYSIS; EFFECTIVE
IONIC-RADII; CRYSTAL-STRUCTURE; PHASE-TRANSITIONS; AMBIENT-PRESSURE;
PEROVSKITES; BIFEO3; OXIDE; BIMNO3
AB The influence of Bi3+ on the structural and magnetic properties of the rare-earth-containing perovskites REFe0.5Mn0.5O3 (RE=La,Nd) was studied, and the limit of bismuth substitution was determined to be x <= 0.5 in BixRE1-xFe0.5Mn0.5O3+delta (RE=La,Nd) at ambient pressure. Crystal structures in both La and Nd series were determined to be GdFeO3-type Pnma with the exception of the Bi0.3La0.7Fe0.5Mn0.5O3 sample, which is monoclinic I2/a in the a(-)b(-)b(-) tilt scheme. The samples undergo a transition to G-type antiferromagnetic order along with a weak ferromagnetic component, mixed with cluster-glass type behavior. The substitution of bismuth into the lattice results in a drop in T-N relative to the lanthanide end-members. Long range ordering temperatures T-N in the range 240-255 K were observed, with a significantly lower ordered magnetic moment in the case of lanthanum (M similar to 1.7-1.9 mu(B)) than in the case of neodymium (M similar to 2.1 mu(B)). Published by Elsevier Inc.
C1 [Bridges, C. A.; Paranthaman, M. P.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Sefat, A. S.; Payzant, E. A.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Cranswick, L.] Natl Res Council Canada, Canadian Neutron Beam Ctr, Chalk River Labs, Chalk River, ON K0J 1J0, Canada.
RP Bridges, CA (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Bldg 4500 S,MS-6100,1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM bridgesca@ornl.gov
RI Payzant, Edward/B-5449-2009; Paranthaman, Mariappan/N-3866-2015; Sefat,
Athena/R-5457-2016
OI Payzant, Edward/0000-0002-3447-2060; Paranthaman,
Mariappan/0000-0003-3009-8531; Sefat, Athena/0000-0002-5596-3504
FU User Facilities Division, Office of Basic Energy Sciences, U.S.
Department of Energy; Materials Sciences and Engineering Division,
Office of Basic Energy Sciences, U. S. Department of Energy
FX We acknowledge Ashfia Huq and Jason Hodges for collection of powder
neutron diffraction data on the
Bi0.1Nd0.9Fe0.5Mn0.5O3<
/INF> sample at the Spallation Neutron Source. We thank Larry Walker of
the High Temperature Materials Laboratory at Oak Ridge National
Laboratory for collection of the microprobe data, which was collected at
ORNL's SHaRE User Facility. We thank Ian Swainson of Chalk River
Laboratories for a critical reading of the manuscript. Research at the
SHaRE User Facility and the SNS was sponsored by the Scientific User
Facilities Division, Office of Basic Energy Sciences, U.S. Department of
Energy. Research at ORNL was sponsored by the Materials Sciences and
Engineering Division, Office of Basic Energy Sciences, U. S. Department
of Energy.
NR 73
TC 8
Z9 10
U1 1
U2 37
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 APR
PY 2011
VL 184
IS 4
BP 830
EP 842
DI 10.1016/j.jssc.2011.02.006
PG 13
WC Chemistry, Inorganic & Nuclear; Chemistry, Physical
SC Chemistry
GA 751DG
UT WOS:000289597100016
ER
PT J
AU Innocenti, D
Valletta, A
Bianconi, A
AF Innocenti, Davide
Valletta, Antonio
Bianconi, Antonio
TI Shape Resonance at a Lifshitz Transition for High Temperature
Superconductivity in Multiband Superconductors
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Article
DE Multiband superconductivity; Bose-BCS crossover; Lifshitz transition;
Shape resonance; Bipolarons
ID HIGH-T-C; HIGH T(C) SUPERCONDUCTIVITY; QUANTUM STRIPES; FERMI-SURFACE;
ATOMIC LIMIT; CUPRATE SUPERCONDUCTORS; PHASE-DIAGRAM; POLARON SIZE;
HETEROSTRUCTURES; SUPERLATTICE
AB We discuss the shape resonance in the superconducting gaps of a two-band superconductor by tuning the chemical potential at a Lifshitz transition for Fermi surface neck collapsing and for spot appearing. The high temperature superconducting scenario for complex matter shows the coexistence of a first BCS condensate made of Cooper pairs in the first band and a second boson-like condensate made of bosons like bipolarons, in the second band where the chemical potential is tuned near a Lifshitz transition. The interband coupling controls the shape resonance in the pair exchange between the two condensates. We discuss the particular BCS-Bose crossover that occurs at the shape resonance tuning the Lifshitz parameter (the energy difference between the chemical potential and the Lifshitz topological transition) like tuning the external magnetic field for the Feshbach resonances in ultracold gases. This superconducting phase provides a particular case of topological superconductivity with multiple condensates of different winding numbers.
C1 [Bianconi, Antonio] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy.
[Valletta, Antonio] CNR, IMM, I-00133 Rome, Italy.
[Innocenti, Davide] Univ Roma Tor Vergata, Dipartimento Ingn Meccan, I-00133 Rome, Italy.
[Innocenti, Davide] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Bianconi, A (reprint author), Univ Roma La Sapienza, Dept Phys, Ple Aldo Moro 2, I-00185 Rome, Italy.
EM antonio.bianconi@roma1.infn.it
RI innocenti, davide/H-7786-2012; Bianconi, Antonio/J-3997-2013; Valletta,
Antonio/B-4170-2015
OI Bianconi, Antonio/0000-0001-9795-3913; Valletta,
Antonio/0000-0002-3901-9230
FU Sapienza University
FX We thank Andrea Perali, Ilya Eremin, Vladimir Kresin and Andrei Shanenko
for useful discussions. We gratefully acknowledge partial financial aid
from Sapienza University research grant.
NR 85
TC 6
Z9 6
U1 2
U2 10
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 APR
PY 2011
VL 24
IS 3
BP 1137
EP 1143
DI 10.1007/s10948-010-1096-y
PG 7
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 749SD
UT WOS:000289488800005
ER
PT J
AU Hucker, M
von Zimmermann, M
Xu, ZJ
Wen, JS
Gu, GD
Tian, W
Zarestky, J
Tranquada, JM
AF Huecker, M.
v. Zimmermann, M.
Xu, Z. J.
Wen, J. S.
Gu, G. D.
Tian, W.
Zarestky, J.
Tranquada, J. M.
TI Zn-Doping Dependence of Stripe Order in La1.905Ba0.095CuO4
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Article
DE Stripes; Cuprates; Zn doping
ID MUON-SPIN-RELAXATION; NEUTRON-SCATTERING; HOLE CONCENTRATION;
SUPERCONDUCTORS; CU
AB The effect of Zn-doping on the stripe order in La1.905Ba0.095CuO4 has been studied by means of x-ray and neutron diffraction as well as magnetization measurements. While 1% Zn leads to an increase of the spin stripe order, it unexpectedly causes a wipe out of the visibility of the charge stripe order. A magnetic field of 10 Tesla applied along the c-axis has no reversing effect on the charge order. We compare this observation with the Zn-doping dependence of the crystal structure, superconductivity, and normal state magnetism.
C1 [Huecker, M.; Xu, Z. J.; Wen, J. S.; Gu, G. D.; Tranquada, J. M.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[v. Zimmermann, M.] Deutsch Elektronen Synchrotron DESY, Hamburger Synchrotronstrahlungslab HASYLAB, D-22603 Hamburg, Germany.
[Tian, W.; Zarestky, J.] Ames Lab, Ames, IA 50011 USA.
RP Hucker, M (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM huecker@bnl.gov
RI Tranquada, John/A-9832-2009; Wen, Jinsheng/F-4209-2010; xu,
zhijun/A-3264-2013; Gu, Genda/D-5410-2013; Tian, Wei/C-8604-2013
OI Tranquada, John/0000-0003-4984-8857; Wen, Jinsheng/0000-0001-5864-1466;
xu, zhijun/0000-0001-7486-2015; Gu, Genda/0000-0002-9886-3255; Tian,
Wei/0000-0001-7735-3187
FU Office of Science, U.S. Department of Energy [DE-AC02-98CH10886]; US
DOE, Office of Basic Energy Sciences
FX The work at Brookhaven was supported by the Office of Science, U.S.
Department of Energy under Contract No. DE-AC02-98CH10886. J.S.W. and
Z.J.X. are supported by the Center for Emergent Superconductivity, an
Energy Frontier Research Center funded by the US DOE, Office of Basic
Energy Sciences.
NR 21
TC 5
Z9 5
U1 0
U2 8
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 APR
PY 2011
VL 24
IS 3
BP 1229
EP 1233
DI 10.1007/s10948-010-1122-0
PG 5
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 749SD
UT WOS:000289488800023
ER
PT J
AU Mun, BS
Rossi, M
Enta, Y
AF Mun, Bongjin Simon
Rossi, Massimiliano
Enta, Yoshiharu
TI Effect of Interfacial Strain in Wet Oxidation Kinetics on Si(100)
SO JOURNAL OF THE KOREAN PHYSICAL SOCIETY
LA English
DT Article; Proceedings Paper
CT Korea-China Symposium on Advanced Functional Films for Information
CY AUG 17-21, 2010
CL Univ Ulsan, Ulsan, SOUTH KOREA
HO Univ Ulsan
DE Ambient pressure XPS; Si oxidation; Interfacial reaction; Diffusion
ID THERMAL-OXIDATION; SILICON
AB Ambient pressure X-ray photoelectron spectroscopy is utilized to study the kinetics of the wet oxidation process on a Si(100) surface. The kinetics of each individual oxidation state is monitored as a function of temperature. The role of possible strain at the interfacial reaction in the oxidation kinetics is probed with an alternating wet and dry oxidation process.
C1 [Mun, Bongjin Simon] Hanyang Univ ERICA, Dept Appl Phys, Ansan 426791, South Korea.
[Rossi, Massimiliano] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Enta, Yoshiharu] Hirosaki Univ, Fac Sci & Technol, Hirosaki, Aomori 0368561, Japan.
RP Mun, BS (reprint author), Hanyang Univ ERICA, Dept Appl Phys, Ansan 426791, South Korea.
EM simon.mun@gmail.com
RI Enta, Yoshiharu/F-6995-2013; Mun, Bongjin /G-1701-2013
OI Enta, Yoshiharu/0000-0003-0199-1814;
NR 9
TC 0
Z9 0
U1 1
U2 4
PU KOREAN PHYSICAL SOC
PI SEOUL
PA 635-4, YUKSAM-DONG, KANGNAM-KU, SEOUL 135-703, SOUTH KOREA
SN 0374-4884
EI 1976-8524
J9 J KOREAN PHYS SOC
JI J. Korean Phys. Soc.
PD APR
PY 2011
VL 58
IS 4
SI SI
BP 920
EP 923
DI 10.3938/jkps.58.920
PN 1
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 751IV
UT WOS:000289611600012
ER
PT J
AU Beaumont, RC
AF Beaumont, Ringo Conway
TI FILM RT Developing and Modifying a Technique in Film Radiography
SO MATERIALS EVALUATION
LA English
DT Article
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Beaumont, RC (reprint author), Los Alamos Natl Lab, POB 1663,MS P916, Los Alamos, NM 87545 USA.
NR 4
TC 0
Z9 0
U1 0
U2 0
PU AMER SOC NONDESTRUCTIVE TEST
PI COLUMBUS
PA 1711 ARLINGATE LANE PO BOX 28518, COLUMBUS, OH 43228-0518 USA
SN 0025-5327
J9 MATER EVAL
JI Mater. Eval.
PD APR
PY 2011
VL 69
IS 4
BP 442
EP 451
PG 10
WC Materials Science, Characterization & Testing
SC Materials Science
GA 749VW
UT WOS:000289500300002
ER
PT J
AU Heber, VS
Wiens, RC
Jurewicz, AJG
Vogel, N
Reisenfeld, DB
Baur, H
McKeegan, KD
Wieler, R
Burnett, DS
AF Heber, Veronika S.
Wiens, Roger C.
Jurewicz, Amy J. G.
Vogel, Nadia
Reisenfeld, Daniel B.
Baur, Heinrich
McKeegan, Kevin D.
Wieler, Rainer
Burnett, Donald S.
TI Isotopic and elemental fractionation of solar wind implanted in the
Genesis concentrator target characterized and quantified by noble gases
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Article
ID NITROGEN; MISSION; ION
AB We report concentrations and isotopic compositions of He, Ne, and Ar measured with high spatial resolution along a radial traverse of a silicon carbide (SiC) quadrant of the Genesis mission concentrator target. The Ne isotopic composition maps instrumental fractionation as a function of radial position in the target: the maximum observed isotopic fractionation is approximately 33 parts per thousand per mass unit between the center and periphery. The Ne fluence is enhanced by a factor of 43 at the target center and decreases to 5.5 times at the periphery relative to the bulk solar wind fluence. Neon isotopic profiles measured along all four arms of the "gold cross" mount which held the quadrants in the concentrator target demonstrate that the concentrator target was symmetrically irradiated during operation as designed. We used implantation experiments of Ne into SiC and gold to quantify backscatter loss and isotopic fractionation and compared measurements with numerical simulations from the code "stopping and range of ions in matter." The 20Ne fluence curve as a function of radial distance on the target may be used to construct concentration factors relative to bulk solar wind for accurate corrections for solar wind fluences of other light elements to be measured in the concentrator target. The Ne isotopic composition as a function of the radial distance in the SiC quadrant provides a correction for the instrumental mass-dependent isotopic fractionation by the concentrator and can be used to correct measured solar wind oxygen and nitrogen isotopic compositions to obtain bulk solar wind isotopic compositions.
C1 [Heber, Veronika S.; Vogel, Nadia; Baur, Heinrich; Wieler, Rainer] ETH, Inst Geochem & Petr, CH-8092 Zurich, Switzerland.
[Heber, Veronika S.; McKeegan, Kevin D.] Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USA.
[Wiens, Roger C.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
[Jurewicz, Amy J. G.] Arizona State Univ, Ctr Meteorite Studies, Tempe, AZ 85287 USA.
[Reisenfeld, Daniel B.] Univ Montana, Dept Phys & Astron, Missoula, MT 87544 USA.
[Burnett, Donald S.] CALTECH, Pasadena, CA 91109 USA.
RP Heber, VS (reprint author), ETH, Inst Geochem & Petr, CH-8092 Zurich, Switzerland.
EM heber@ess.ucla.edu
RI McKeegan, Kevin/A-4107-2008; Wieler, Rainer/A-1355-2010; Reisenfeld,
Daniel/F-7614-2015; UCLA, SIMS/A-1459-2011
OI McKeegan, Kevin/0000-0002-1827-729X; Wieler, Rainer/0000-0001-5666-7494;
FU NASA Discovery Mission Office; NASA Laboratory Analysis of Returned
Samples Program Office; Swiss National Science Foundation; NASA
Cosmochemistry
FX We thank NASA Discovery Mission Office for its support of the Genesis
mission and the NASA Laboratory Analysis of Returned Samples Program
Office for providing subsequent support. We greatly appreciate the
support from Judith H. Allton and the entire Genesis curation team at
Johnson Space Center for sample selection. We are grateful to Yong Wang
and the Los Alamos Ion Beam Materials Laboratory for performing the ion
implants used in this work. We are very thankful for the comments and
corrections provided by the referees Andrew Davis, Bernard Marty, Sasha
Verchovsky and by the Associate Editor Marc Caffee. V. S. Heber
acknowledges support by the Swiss National Science Foundation and NASA
Cosmochemistry.
NR 19
TC 10
Z9 10
U1 0
U2 7
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1086-9379
J9 METEORIT PLANET SCI
JI Meteorit. Planet. Sci.
PD APR
PY 2011
VL 46
IS 4
BP 493
EP 512
DI 10.1111/j.1945-5100.2011.01170.x
PG 20
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 749KK
UT WOS:000289464600001
ER
PT J
AU Van Weverberg, K
van Lipzig, NPM
Delobbe, L
AF Van Weverberg, Kwinten
van Lipzig, Nicole P. M.
Delobbe, Laurent
TI The Impact of Size Distribution Assumptions in a Bulk One-Moment
Microphysics Scheme on Simulated Surface Precipitation and Storm
Dynamics during a Low-Topped Supercell Case in Belgium
SO MONTHLY WEATHER REVIEW
LA English
DT Article
ID NONHYDROSTATIC ATMOSPHERIC SIMULATION; PREDICTION SYSTEM ARPS; CLOUD
MICROPHYSICS; PART II; EXPLICIT MICROPHYSICS; NUMERICAL SIMULATIONS;
CONVECTIVE STORMS; MODEL DESCRIPTION; PARAMETERIZATION; HAIL
AB In this research the impact of modifying the size distribution assumptions of the precipitating hydrometeors in a bulk one-moment microphysics scheme on simulated surface precipitation and storm dynamics has been explored for long-lived low-topped supercells in Belgium. It was shown that weighting the largest precipitating ice species of the microphysics scheme to small graupel results in an increase of surface precipitation because of counteracting effects. On the one hand, the precipitation formation process slowed down, resulting in lower precipitation efficiency. On the other hand, latent heat release associated with freezing favored more intense storms. In contrast to previous studies finding decreased surface precipitation when graupel was present in the microphysics parameterization, storms were rather shallow in the authors' simulations. This left little time for graupel sublimation. The impact of size distribution assumptions of snow was found to be small, but more realistic size distribution assumptions of rain led to the strongest effect on surface precipitation. Cold pools shrunk because of weaker rain evaporation at the cold pool boundaries, leading to a decreased surface rain area.
C1 [Van Weverberg, Kwinten] Brookhaven Natl Lab, Div Atmospher Sci, Upton, NY 11973 USA.
[Van Weverberg, Kwinten; van Lipzig, Nicole P. M.] Katholieke Univ Leuven, Dept Earth & Environm Sci, Heverlee, Belgium.
[Delobbe, Laurent] Royal Meteorol Inst, Uccle, Belgium.
RP Van Weverberg, K (reprint author), Brookhaven Natl Lab, Div Atmospher Sci, Bldg 490-D,75 Rutherford Dr, Upton, NY 11973 USA.
EM kvweverberg@bnl.gov
FU Flemish Fund for Scientific Research (FWO-Vlaanderen)
FX This research was carried out in the framework of the QUEST-B project,
funded by the Flemish Fund for Scientific Research (FWO-Vlaanderen).
Furthermore, we would like to acknowledge the Center for Analysis and
Prediction of Storms (CAPS) of Oklahoma University for providing the
ARPS source code online. This research is conducted utilizing
high-performance computational resources provided by the University of
Leuven (available online at http://ludit.kuleuven.be/hpc).
NR 38
TC 19
Z9 19
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 APR
PY 2011
VL 139
IS 4
BP 1131
EP 1147
DI 10.1175/2010MWR3481.1
PG 17
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 751DH
UT WOS:000289597200005
ER
PT J
AU Yoo, JJ
Balakrishnan, K
Huang, JS
Meunier, V
Sumpter, BG
Srivastava, A
Conway, M
Reddy, ALM
Yu, J
Vajtai, R
Ajayan, PM
AF Yoo, Jung Joon
Balakrishnan, Kaushik
Huang, Jingsong
Meunier, Vincent
Sumpter, Bobby G.
Srivastava, Anchal
Conway, Michelle
Reddy, Arava Leela Mohana
Yu, Jin
Vajtai, Robert
Ajayan, Pulickel M.
TI Ultrathin Planar Graphene Supercapacitors
SO NANO LETTERS
LA English
DT Article
DE Graphene; supercapacitor; in-plane geometry; single-layer graphene;
multilayer graphene
ID DOUBLE-LAYER CAPACITOR; ELECTROCHEMICAL CAPACITORS; ELECTRODE MATERIAL;
CARBON NANOTUBES; ENERGY-STORAGE; FILMS; TRANSPARENT; PERFORMANCE;
NANOSHEETS; GRAPHITE
AB With the advent of atomically thin and flat layers of conducting materials such as graphene, new designs for thin film energy storage devices with good performance have become possible. Here, we report an "in-plane" fabrication approach for ultrathin supercapacitors based on electrodes comprised of pristine graphene and multilayer reduced graphene oxide. The in plane design is straightforward to implement and exploits efficiently the surface of each graphene layer for energy storage. The open architecture and the effect of graphene edges enable even the thinnest of devices, Made from as grown 1-2 graphene layers, to reach specific capacities up to 80 mu Fcm(-2), while much higher (394 mu Fcm(-2)) specific capacities are observed multilayer reduced graphene oxide electrodes. The performances of devices with pristine as well as thicker graphene-based structures are examined using a combination of experiments and model calculations. The demonstrated all solid-state supercapacitors provide a prototype for a broad range of thin-film based energy storage devices.
C1 [Huang, Jingsong; Meunier, Vincent; Sumpter, Bobby G.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Yoo, Jung Joon; Balakrishnan, Kaushik; Srivastava, Anchal; Conway, Michelle; Reddy, Arava Leela Mohana; Vajtai, Robert; Ajayan, Pulickel M.] Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77251 USA.
[Yoo, Jung Joon; Yu, Jin] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea.
[Srivastava, Anchal] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India.
RP Meunier, V (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN USA.
EM meuniv@rpi.edu; ajayan@rice.edu
RI Huang, Jingsong/A-2789-2008; Meunier, Vincent/F-9391-2010; Yu,
Jin/C-1855-2011; Sumpter, Bobby/C-9459-2013; Arava, Leela Mohana
Reddy/J-3180-2015
OI Huang, Jingsong/0000-0001-8993-2506; Meunier,
Vincent/0000-0002-7013-179X; Sumpter, Bobby/0000-0001-6341-0355;
FU Rice University; Advanced Energy Consortium (AEC) [BEG 10-02]; Korea
government (MEST) [2010-0000862]; ORNL; Division of Materials Science
and Engineering, Basic Energy Sciences, U.S. Department of Energy;
Scientific User Facilities Division, U.S. Department of Energy;
Department of Science and Technology (DST), India
FX P.M.A. acknowledges the support from Rice University start-up grants.
K.B. and J.J.Y. extend gratitude to Professor Bruce Weisman, Rice
University, and his group for allowing access to their microbalance.
Some parts of this research were funded through Advanced Energy
Consortium (AEC, BEG 10-02). J.J.Y. acknowledges the support from the
National Research Foundation of Korea (NRF) grant funded by the Korea
government (MEST) (No. 2010-0000862). J.H., V.M., and B.G.S. acknowledge
support from the Laboratory Directed Research and Development Program of
ORNL, the Division of Materials Science and Engineering, Basic Energy
Sciences, U.S. Department of Energy and the Center for Nanophase
Materials Sciences, sponsored by the Scientific User Facilities
Division, U.S. Department of Energy. A.S. acknowledges the support from
Department of Science and Technology (DST), India, under BOYSCAST
fellowship.
NR 35
TC 510
Z9 523
U1 63
U2 568
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD APR
PY 2011
VL 11
IS 4
BP 1423
EP 1427
DI 10.1021/nl200225J
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 747TB
UT WOS:000289341500005
PM 21381713
ER
PT J
AU Ko, H
Ryu, K
Park, H
Park, C
Jeon, D
Kim, YK
Jung, J
Min, DK
Kim, Y
Lee, HN
Park, Y
Shin, H
Hong, S
AF Ko, Hyoungsoo
Ryu, Kyunghee
Park, Hongsik
Park, Chulmin
Jeon, Daeyoung
Kim, Yong Kwan
Jung, Juhwan
Min, Dong-Ki
Kim, Yunseok
Lee, Ho Nyung
Park, Yoondong
Shin, Hyunjung
Hong, Seungbum
TI High-Resolution Field Effect Sensing of Ferroelectric Charges
SO NANO LETTERS
LA English
DT Article
DE Charge imaging; field effect; resistive probe; ferroelectric; scanning
probe microscopy
ID PROBE FORCE MICROSCOPY; SCANNING RESISTIVE PROBE; DATA-STORAGE;
HETEROSTRUCTURES; NANOSCALE; CONTRAST; DOMAINS; LIMIT
AB Nanoscale manipulation of surface charges and their imaging are essential for understanding local electronic behaviors of polar materials and advanced electronic devices. Electrostatic force microscopy and Kelvin probe force microscopy have been extensively used to probe and image local surface charges responsible for electrodynamics and transport phenomena. However, they rely on the weak electric force modulation of cantilever that limits both spatial and temporal resolutions. Here we present a field effect transistor embedded probe that can directly image surface charges on a length scale of 25 nm and a time scale of less than 125 mu s. On the basis of the calculation of net surface in a 25 nm diameter ferroelectric domain, we could estimate the charge density resolution to be as low as 0.08 mu C/cm(2), which is equivalent to 1/20 electron per nanometer square at room temperature.
C1 [Ko, Hyoungsoo; Park, Hongsik; Park, Chulmin; Jeon, Daeyoung; Kim, Yong Kwan; Jung, Juhwan; Min, Dong-Ki; Park, Yoondong; Hong, Seungbum] Samsung Adv Inst Technol, Semicond Device Lab, Yongin 446712, South Korea.
[Ko, Hyoungsoo; Park, Chulmin; Kim, Yong Kwan; Jung, Juhwan; Min, Dong-Ki; Park, Yoondong] Samsung Elect, Semicond R&D Ctr, Yongin 446711, South Korea.
[Ryu, Kyunghee; Shin, Hyunjung] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea.
[Park, Hongsik] Brown Univ, Div Engn, Providence, RI 02912 USA.
[Jeon, Daeyoung] Korea Univ, Sch Elect Engn, Seoul 136713, South Korea.
[Kim, Yunseok] Max Planck Inst Microstruct Phys, D-06120 Halle, Saale, Germany.
[Lee, Ho Nyung] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Hong, Seungbum] Argonne Natl Lab, Div Mat Sci, Lemont, IL 60439 USA.
RP Hong, S (reprint author), Samsung Adv Inst Technol, Semicond Device Lab, Yongin 446712, South Korea.
EM hong@anl.gov
RI Shin, Hyunjung/D-5107-2009; Kim, Yu Jin/A-2433-2012; Hong,
Seungbum/B-7708-2009; Lee, Ho Nyung/K-2820-2012
OI Shin, Hyunjung/0000-0003-1284-9098; Hong, Seungbum/0000-0002-2667-1983;
Lee, Ho Nyung/0000-0002-2180-3975
FU Samsung Electronics, Inc.; U Chicago Argonne; U.S. DOE Office of Science
Laboratory [DE-AC02-06CH11357]; NRL2007-0057024; Nano RD program
[2009-0082717]; CMPS of Korean NRF of Kookmin University
[R11-2005-048-00000-0]; Materials Science and Engineering Division,
Office of Basic Energy Sciences, U.S. Department of Energy
FX The main part of this work was supported by Samsung Electronics, Inc.
S.H. acknowledges financial support by U Chicago Argonne, a U.S. DOE
Office of Science Laboratory, operated under Contract no.
DE-AC02-06CH11357. H.S. acknowledges financial supports from the NRL
program (2007-0057024), the Nano R&D program (2009-0082717), the CMPS
(R11-2005-048-00000-0) of Korean NRF and the 2009 research program of
Kookmin University. The Work at Oak Ridge National Laboratory (H.N.L.)
was sponsored by the Materials Science and Engineering Division, Office
of Basic Energy Sciences, U.S. Department of Energy. We gratefully
acknowledge G. Crabtree at Argonne National Laboratory for his critical
reading of this manuscript. H.K, H.P., H.S. and S.H. conceived the
wedge-shaped resistive probe experiments, conducted the data analysis,
and wrote the paper. H.K., H.P., C.P., D.M., and Y.P. designed,
fabricated, and characterized the resistive probes, J. J. and H.K
carried out TCAD simulation of the proposed RP design, and KR, S.H., and
Y.K. performed the comparison studies of PFM, KFM, and RP. H.K and KR.
conducted the high speed RP measurement. Y.KK and H.N.L. provided
epitaxial PZT samples and discussed the data acquired by PPM, KFM, and
RP.
NR 30
TC 14
Z9 14
U1 4
U2 22
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD APR
PY 2011
VL 11
IS 4
BP 1428
EP 1433
DI 10.1021/nl103372a
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 747TB
UT WOS:000289341500006
PM 21375284
ER
PT J
AU Frei, M
Aradhya, SV
Koentopp, M
Hybertsen, MS
Venkataraman, L
AF Frei, Michael
Aradhya, Sriharsha V.
Koentopp, Max
Hybertsen, Mark S.
Venkataraman, L.
TI Mechanics and Chemistry: Single Molecule Bond Rupture Forces Correlate
with Molecular Backbone Structure
SO NANO LETTERS
LA English
DT Article
DE Molecular conductance; force spectroscopy; gold point contact; bond
rupture; break-junction
ID AUGMENTED-WAVE METHOD; CONDUCTANCE; JUNCTIONS; THERMOELECTRICITY;
ADSORPTION; TRANSPORT
AB We simultaneously measure conductance and force across nanoscale junctions. A new, two-dimensional histogram technique is introduced to statistically extract bond rupture forces from a large data set of individual junction elongation traces. For the case of Au point contacts, we find a rupture force of 1.4 +/- 0.2 nN, which is in good agreement with previous measurements. We then study systematic trends for single gold metal molecule metal junctions for a series of molecules terminated with amine and pyridine linkers. For all molecules studied, single molecule junctions rupture at the Au-N bond. Selective binding of the linker group allows us to correlate the N-Au bond-rupture force to the molecular backbone. We find that the rupture force ranges from 0.8 nN for 4,4' bipyridine to 0.5 nN in 1,4 diaminobenzene. These experimental results are in excellent quantitative agreement with density functional theory based adiabatic molecular junction elongation and rupture calculations.
C1 [Hybertsen, Mark S.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Frei, Michael; Aradhya, Sriharsha V.; Venkataraman, L.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY USA.
[Koentopp, Max; Venkataraman, L.] Columbia Univ, Ctr Electron Transport Mol Nanostruct, New York, NY USA.
RP Hybertsen, MS (reprint author), Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
EM mhyberts@bnl.gov; lv2117@columbia.edu
RI Aradhya, Sriharsha/D-7728-2012; Aradhya, Sriharsha/G-5312-2012;
OI Aradhya, Sriharsha/0000-0002-4738-7068; Venkataraman,
Latha/0000-0002-6957-6089; Hybertsen, Mark S/0000-0003-3596-9754
FU NSF [CHE-07-44185]; Nanoscale Science and Engineering Initiative of the
NSF [CHE-0117752, CHE-0641523]; New York State Office of Science,
Technology and Academic Research (NYSTAR); U.S. Department of Energy,
Office of Basic Energy Sciences [DE-AC02-98CH10886]
FX This work was supported in part by NSF Career Award (CHE-07-44185)
(M.F., S.V.A and L.V.), by the Nanoscale Science and Engineering
Initiative of the NSF (award numbers CHE-0117752 and CHE-0641523)
(M.K.), and the New York State Office of Science, Technology and
Academic Research (NYSTAR). A portion of this work was performed using
facilities in the Center for Functional Nanomaterials at Brookhaven
National Laboratory and supported by the U.S. Department of Energy,
Office of Basic Energy Sciences, under contract number DE-AC02-98CH10886
(M.S.H.).
NR 29
TC 71
Z9 72
U1 3
U2 57
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 APR
PY 2011
VL 11
IS 4
BP 1518
EP 1523
DI 10.1021/nl1042903
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 747TB
UT WOS:000289341500022
PM 21366230
ER
PT J
AU Liu, Y
Wang, C
Wei, YJ
Zhu, LY
Li, DG
Jiang, JS
Markovic, NM
Stamenkovic, VR
Sun, SH
AF Liu, Yi
Wang, Chao
Wei, Yujie
Zhu, Leyi
Li, Dongguo
Jiang, J. Samuel
Markovic, Nenad M.
Stamenkovic, Vojislav R.
Sun, Shouheng
TI Surfactant-Induced Postsynthetic Modulation of Pd Nanoparticle
Crystallinity
SO NANO LETTERS
LA English
DT Article
DE Palladium nanoparticle; surfactant exchange; nanoparticle structure;
crystallinity modulation
ID SHAPE-CONTROLLED SYNTHESIS; CONTROLLED-RELEASE; NANOCRYSTALS; CHEMISTRY;
GOLD; AU; MONODISPERSE; NANOWIRES; AG; CU
AB Modulation of Pd nanoparticle (NP) crystallinity is achieved by switching the surfactants of different binding strengths. Pd NPs synthesized in the presence of weak binding surfactants. such as oleylamine possess polyhedral shapes and a polycrystalline nature. When oleylamine is substituted by trioctylphosphine, a much stronger binding surfactant, the particles become spherical and their crystallinity cleciease significantly. Moreover, the Pd NPs reconvert their polycrystalline structure when the surfactant is switched back to oleylarnine. Through control experiments and molecular dynamics simulation, we propose that this unusual nanocrystallinity transition induced, by surfactant exchange was resulted from a counterbalance between the surfactant binding energy and the nanncrystal adhesive energy. The findings represent a novel postsynthetic approach to tailoring the structure and corresponding functional performance of nanomaterials.
C1 [Wang, Chao; Zhu, Leyi; Li, Dongguo; Jiang, J. Samuel; Markovic, Nenad M.; Stamenkovic, Vojislav R.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Liu, Yi; Li, Dongguo; Sun, Shouheng] Brown Univ, Dept Chem, Providence, RI 02912 USA.
[Wei, Yujie] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
RP Wang, C (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM chaowang@anl.gov; ssun@brown.edu
RI Zhu, Leyi/E-8270-2010; Wang, Chao/F-4558-2012; Wei, Yujie/A-3770-2009;
Li, Dongguo/O-6253-2016
OI Wang, Chao/0000-0001-7398-2090; Wei, Yujie/0000-0002-3213-7891; Li,
Dongguo/0000-0001-7578-7811
FU U.S. Department of Energy, Office of Basic Energy Science
[DE-AC02-06CH11357]; Chinese Academy of Sciences
FX This project was supported in part by ExxonMobil. The work conducted at
Argonne National Laboratory (a U.S. Department of Energy, Office of
Science Laboratory, operated by UChicago Argonne, LLC, under Contract
No. DE-AC02-06CH11357) was sponsored by the U.S. Department of Energy,
Office of Basic Energy Science. Y.W. acknowledges the support from the
Chinese Academy of Sciences under the "Hundred Talent Program".
NR 32
TC 53
Z9 53
U1 4
U2 67
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 APR
PY 2011
VL 11
IS 4
BP 1614
EP 1617
DI 10.1021/nl104548g
PG 4
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 747TB
UT WOS:000289341500038
PM 21355537
ER
PT J
AU Huang, JY
Zheng, H
Mao, SX
Li, QM
Wang, GT
AF Huang, Jian Yu
Zheng, He
Mao, S. X.
Li, Qiming
Wang, George T.
TI In Situ Nanomechanics of GaN Nanowires
SO NANO LETTERS
LA English
DT Article
DE GaN nanowire; nanomechanics; dislocation; plasticity; fracture; in-situ
electron microscopy
ID GALLIUM NITRIDE NANOWIRES; CHEMICAL-VAPOR-DEPOSITION;
LIGHT-EMITTING-DIODES; SEMICONDUCTOR NANOWIRES; GROWTH; NANOTUBES;
DEFORMATION; NANODEVICES; PLASTICITY; STRENGTH
AB The deformation, fracture mechanisms, and the fracture strength of individual GaN nanowires were measured in real time using a transmission electron microscope scanning probe microscope (TEM-SPM) platform. Surface mediated plasticity, such as dislocation nucleation from a free surface and plastic deformation between the SPM probe (the punch) and the nanowire contact surface were observed in situ. Although local plasticity was observed frequently, global plasticity was not observed, indicating the overall brittle nature of this material. Dislocation nucleation and propagation is a precursor before the fracture event, but the fracture surface shows brittle characteristic. The fracture surface is not straight but kinked at (10-10) or (10-11) planes. Dislocations are generated at a stress near the fracture strength of the nanowire, which ranges from 0.21 to 1.76 GPa. The results assess the mechanical properties of GaN nanowires and may provide important insight into the design of GaN nanowire devices for electronic and optoelectronic applications.
C1 [Huang, Jian Yu; Li, Qiming; Wang, George T.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Zheng, He; Mao, S. X.] Univ Pittsburgh, Dept Mech Engn & Mat Sci, Pittsburgh, PA 15261 USA.
[Zheng, He] Wuhan Univ, Dept Phys, Ctr Electron Microscopy, Wuhan 430072, Peoples R China.
[Zheng, He] Wuhan Univ, Key Lab Acoust & Photon Mat & Devices, Wuhan 430072, Peoples R China.
RP Huang, JY (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM jhuang@sandia.gov
RI Wang, George/C-9401-2009; Huang, Jianyu/C-5183-2008; Zheng,
He/E-2964-2012
OI Wang, George/0000-0001-9007-0173; Zheng, He/0000-0002-6476-8524
FU DOE BES; NNSA; U.S. Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]; Chinese Scholarship Council; NSF
through University of Pittsburgh [CMMI 08 010934]; Sandia National
Laboratories
FX We acknowledge support from Sandia's Solid State Lighting Science Energy
Frontier Research Center, funded by DOE BES, and the NNSA's Laboratory
Directed Research and Development program. A part of this work was
performed at the Center for Integrated Nanotechnologies, a U.S. DOE, BES
user facility. 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
DE-AC04-94AL85000. H.Z. thanks Chinese Scholarship Council for financial
support. S.X.M. acknowledges NSF CMMI 08 010934 through University of
Pittsburgh and Sandia National Laboratories support.
NR 37
TC 32
Z9 33
U1 3
U2 66
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD APR
PY 2011
VL 11
IS 4
BP 1618
EP 1622
DI 10.1021/nl200002x
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 747TB
UT WOS:000289341500039
PM 21417390
ER
PT J
AU Trinh, MT
Polak, L
Schins, JM
Houtepen, AJ
Vaxenburg, R
Maikov, GI
Grinbom, G
Midgett, AG
Luther, JM
Beard, MC
Nozik, AJ
Bonn, M
Lifshitz, E
Siebbeles, LDA
AF Trinh, M. Tuan
Polak, Leo
Schins, Juleon M.
Houtepen, Arjan J.
Vaxenburg, Roman
Maikov, Georgy I.
Grinbom, Gal
Midgett, Aaron G.
Luther, Joseph M.
Beard, Matthew C.
Nozik, Arthur J.
Bonn, Mischa
Lifshitz, Efrat
Siebbeles, Laurens D. A.
TI Anomalous Independence of Multiple Exciton Generation on Different Group
IV-VI Quantum Dot Architectures
SO NANO LETTERS
LA English
DT Article
DE Multiple exciton generation; hot exciton cooling; Auger recombination;
quantum dot architecture
ID CARRIER-MULTIPLICATION; SEMICONDUCTOR NANOCRYSTALS; MULTIEXCITON
GENERATION; PBSE NANOCRYSTALS; COLLOIDAL PBSE; SINGLE-PHOTON;
SOLAR-CELLS; EFFICIENCY; SPECTROSCOPY
AB Multiple exciton generation (MEG) in PbSe quantum dots (QDs), PbSexS1-x alloy QDs, PbSe/PbS core/shell QDs, and PbSe/ PbSeyS1-y core/alloy-shell QDs was studied with time-resolved optical pump and probe spectroscopy. The optical absorption exhibits a red-shift upon the introduction of a shell around a PbSe core, which increases with the thickness of the shell. According to electronic structure calculations this can be attributed to charge delocalization into the shell. Remarkably, the measured quantum yield of MEG, the hot exciton cooling rate, and the Auger recombination rate of biexcitons are similar for pure PbSe QDs and core/shell QDs with the same core size and varying shell thickness. The higher density of states in the alloy and core/shell QDs provide a faster exciton cooling channel that likely competes with the fast MEG process due to a higher biexciton density of states. Calculations reveal only a minor asymmetric delocalization of holes and electrons over the entire core/shell volume, which may partially explain why the Auger recombination rate does not depend on the presence of a shell.
C1 [Trinh, M. Tuan; Polak, Leo; Schins, Juleon M.; Houtepen, Arjan J.; Siebbeles, Laurens D. A.] Delft Univ Technol, Dept Chem Engn, Optoelect Mat Sect, NL-2628 BL Delft, Netherlands.
[Vaxenburg, Roman; Maikov, Georgy I.; Grinbom, Gal; Lifshitz, Efrat] Technion Israel Inst Technol, Dept Chem, IL-3200 Haifa, Israel.
[Vaxenburg, Roman; Maikov, Georgy I.; Grinbom, Gal; Lifshitz, Efrat] Technion Israel Inst Technol, Inst Solid State, IL-3200 Haifa, Israel.
[Midgett, Aaron G.; Luther, Joseph M.; Beard, Matthew C.; Nozik, Arthur J.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Bonn, Mischa] FOM Inst Atom & Mol Phys, NL-1098 XG Amsterdam, Netherlands.
RP Siebbeles, LDA (reprint author), Delft Univ Technol, Dept Chem Engn, Optoelect Mat Sect, Julianalaan 136, NL-2628 BL Delft, Netherlands.
EM l.d.a.siebbeles@tudelft.nl
RI Trinh, Minh Tuan/A-9740-2009; Bonn, Mischa/H-7446-2012; Siebbeles,
Laurens/I-2401-2012; Houtepen, Arjan/E-9754-2011; Nozik,
Arthur/A-1481-2012; Nozik, Arthur/P-2641-2016; Vaxenburg,
Roman/P-8190-2016;
OI Bonn, Mischa/0000-0001-6851-8453; Siebbeles,
Laurens/0000-0002-4812-7495; Houtepen, Arjan/0000-0001-8328-443X; BEARD,
MATTHEW/0000-0002-2711-1355; Polak, Leo/0000-0002-2275-5629
FU Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO); gebied
Chemische Wetenschappen of NWO; Stichting Shell Research; 3TU Centre for
Sustainable Energy Technologies (Federation of the Three Universities of
Technology); USA-Israel Binational Science Foundation [2006225]; U.S.
DOE, Office of Science/Basic Energy Sciences, Division of Chemical
Sciences, Geosciences, and Biosciences
FX This work is part of the Joint Solar Programme (JSP) of the Stichting
voor Fundamenteel Onderzoek der Materie FOM, which is supported
financially by Nederlandse Organisatie voor Wetenschappelijk Onderzoek
(NWO). The JSP is cofinanced by gebied Chemische Wetenschappen of NWO
and Stichting Shell Research. A.J.H. acknowledges the 3TU Centre for
Sustainable Energy Technologies (Federation of the Three Universities of
Technology) for financial support. E. Lifshitz and A. Nozik wish to
express their thanks for the support of the USA-Israel Binational
Science Foundation, project no. 2006225. M. C. Beard., J. M. Luther, and
A. C. Midgett were supported by the U.S. DOE, Office of Science/Basic
Energy Sciences, Division of Chemical Sciences, Geosciences, and
Biosciences.
NR 56
TC 40
Z9 40
U1 1
U2 50
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD APR
PY 2011
VL 11
IS 4
BP 1623
EP 1629
DI 10.1021/nl200014g
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 747TB
UT WOS:000289341500040
PM 21348493
ER
PT J
AU Li, XD
Meng, GW
Xu, QL
Kong, MG
Zhu, XG
Chu, ZQ
Li, AP
AF Li, Xiangdong
Meng, Guowen
Xu, Qiaoling
Kong, Mingguang
Zhu, Xiaoguang
Chu, Zhaoqin
Li, An-Ping
TI Controlled Synthesis of Germanium Nanowires and Nanotubes with Variable
Morphologies and Sizes
SO NANO LETTERS
LA English
DT Article
DE Germanium; nanowires; nanotubes; anodic aluminum oxide; chemical vapor
deposition; electrodeposition
ID SILICON NANOWIRES; CONTROLLED GROWTH; CARBON NANOTUBES; ALUMINA; ARRAYS
AB We report on the controlled growth of germanium (Ge) nanostructures in the form of both nanowire (NW) and nanotube (NT) with ultrahigh aspect ratios and variable diameters. The nanostructures are grown inside a porous anodic aluminum oxide (AAO) template by low-temperature chemical vapor deposition (CVD) assisted by an electrodeposited metal nanorod catalyst. Depending on the choice of catalytic metals (Au, Ni, Cu, Co) and germane (GeH4) concentration during CVD, either Ge NWs or NTs can be synthesized at low growth temperatures (310-370 degrees C). Furthermore, Ge NWs and NTs with two or more branches can be grown from the same stem while using AAO with branched channels as templates. Transmission electron microscopy studies show that NWs are single crystalline and that branches grow epitaxially from the stem of NWs with a crystalline direction independent of diameter. As-grown NTs are amorphous but can crystallize via postannealing at 400 degrees C in Ar/H-2 atmosphere, with a wall thickness controllable between 6 and 18 nm in the CVD process. The yield and quality of the NTs are critically dependent on the choice of the catalyst, where Ni appears the best choice for Ge NT growth among Ni, Cu, Co, and Au. The synthesis of structurally uniform and morphologically versatile Ge nanostructures may open up new opportunities for integrated Ge-nanostructure-based nanocircuits, nanodevices, and nanosystems.
C1 [Li, Xiangdong; Meng, Guowen; Xu, Qiaoling; Kong, Mingguang; Zhu, Xiaoguang; Chu, Zhaoqin] Chinese Acad Sci, Key Lab Mat Phys, Inst Solid State Phys, Hefei 230031, Peoples R China.
[Li, Xiangdong; Meng, Guowen; Xu, Qiaoling; Kong, Mingguang; Zhu, Xiaoguang; Chu, Zhaoqin] Chinese Acad Sci, Anhui Key Lab Nanomat & Nanostruct, Inst Solid State Phys, Hefei 230031, Peoples R China.
[Li, An-Ping] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Meng, GW (reprint author), Chinese Acad Sci, Key Lab Mat Phys, Inst Solid State Phys, Hefei 230031, Peoples R China.
EM gwmeng@issp.ac.cn
RI Li, An-Ping/B-3191-2012; li, Xiangdong/K-2008-2013
OI Li, An-Ping/0000-0003-4400-7493; li, Xiangdong/0000-0003-2519-8757
FU National Natural Science Foundation of China [50525207, 50972145];
National Basic Research Program of China [2007CB936601]; Center for
Nanophase Materials Sciences at Oak Ridge National Laboratory by the
Division of Scientific User Facilities, Office of Basic Energy Sciences,
U.S. Department of Energy
FX This work was supported by the National Natural Science Foundation of
China (grant no. 50525207 and 50972145), National Basic Research Program
of China (grant no. 2007CB936601), and the Center for Nanophase
Materials Sciences at Oak Ridge National Laboratory by the Division of
Scientific User Facilities, Office of Basic Energy Sciences, U.S.
Department of Energy (A.-P.L.).
NR 30
TC 30
Z9 30
U1 12
U2 115
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 APR
PY 2011
VL 11
IS 4
BP 1704
EP 1709
DI 10.1021/nl200229p
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 747TB
UT WOS:000289341500055
PM 21417314
ER
PT J
AU Kronast, F
Friedenberger, N
Ollefs, K
Gliga, S
Tati-Bismaths, L
Thies, R
Ney, A
Weber, R
Hassel, C
Romer, FM
Trunova, AV
Wirtz, C
Hertel, R
Durr, HA
Farle, M
AF Kronast, Florian
Friedenberger, Nina
Ollefs, Katharina
Gliga, Sebastian
Tati-Bismaths, Logane
Thies, Ronja
Ney, Andreas
Weber, Ramona
Hassel, Christoph
Roemer, Florian M.
Trunova, Anastasia V.
Wirtz, Christian
Hertel, Riccardo
Duerr, Hermann A.
Farle, Michael
TI Element-Specific Magnetic Hysteresis of Individual 18 nm Fe Nanocubes
SO NANO LETTERS
LA English
DT Article
DE Nanoparticle; iron; magnetic; hysteresis; cubic; spectroscopy
ID RAY CIRCULAR-DICHROISM; MICROSCOPY; NANOPARTICLES; NANOSTRUCTURES;
HOLOGRAPHY; NANOSCALE; FIELDS; COBALT; IRON
AB Correlating the electronic structure and magnetic response with the Morphology and crystal structure of the same single ferromagnetic nanoparticle has been up to now an unresolved challenge. Here, we present measurements of the element-specific electronic structure and magnetic response as a function of magnetic field amplitude and orientation for chemically synthesized single Fe nanocube with, 18 nm edge length. Magnetic states and interactions of monomers, dimers, and timers are analyzed by X-ray photoemission electron microscopy for different particle arrangements. The element specific electronic structure can be and correlated with the changes of magnetic properties. This approach opens new possibilities for a deeper understanding of the collective response of magnetic nanohybrids in multifunctional materials and in nanomagnetic colloidal suspensions used in biomedical and engineering technologies.
C1 [Friedenberger, Nina; Ollefs, Katharina; Ney, Andreas; Hassel, Christoph; Roemer, Florian M.; Trunova, Anastasia V.; Wirtz, Christian; Farle, Michael] Univ Duisburg Essen, Fak Phys, D-47048 Duisburg, Germany.
[Friedenberger, Nina; Ollefs, Katharina; Ney, Andreas; Hassel, Christoph; Roemer, Florian M.; Trunova, Anastasia V.; Wirtz, Christian; Farle, Michael] Univ Duisburg Essen, Ctr NanoIntegrat CeNIDE, D-47048 Duisburg, Germany.
[Kronast, Florian; Thies, Ronja; Weber, Ramona] Helmholtz Zentrum Berlin Mat & Energie, D-12489 Berlin, Germany.
[Hertel, Riccardo] Univ Strasbourg, Inst Phys & Chim Mat Strasbourg, CNRS, UMR 7504, F-67034 Strasbourg 2, France.
[Gliga, Sebastian] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Tati-Bismaths, Logane] Free Univ Berlin, Inst Expt Phys, D-14195 Berlin, Germany.
[Duerr, Hermann A.] SLAC Natl Accelerator Lab, PULSE Inst, Menlo Pk, CA 94025 USA.
RP Farle, M (reprint author), Univ Duisburg Essen, Fak Phys, Lotharstr 1, D-47048 Duisburg, Germany.
EM farle@uni-due.de
RI Durr, Hermann/F-6205-2012; Ollefs, Katharina/F-5677-2016; Hertel,
Riccardo/H-9964-2016; Hertel, Riccardo/P-5806-2016; Thies,
Ronja/D-9686-2014; Gliga, Sebastian/K-4019-2015
OI Ollefs, Katharina/0000-0002-2301-4670; Hertel,
Riccardo/0000-0002-0646-838X; Hertel, Riccardo/0000-0002-0646-838X;
Kronast, Florian/0000-0001-6048-480X; Farle,
Michael/0000-0002-1864-3261; Ney, Andreas/0000-0002-2388-6006; Thies,
Ronja/0000-0002-6175-8611; Gliga, Sebastian/0000-0003-1729-1070
FU DFG [SFB 445]; EC [MRTN-CT-2004-005567]; Helmholtz-Zentrum Berlin fur
Materialien und Energie GmbH (HZB)
FX Financial support by the DFG (SFB 445), the EC (MRTN-CT-2004-005567),
and the "Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH
(HZB)" is acknowledged. A.N. thanks the Heisenberg Programm of the DFG
for support.
NR 39
TC 29
Z9 29
U1 4
U2 51
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 APR
PY 2011
VL 11
IS 4
BP 1710
EP 1715
DI 10.1021/nl200242c
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 747TB
UT WOS:000289341500056
PM 21391653
ER
PT J
AU Dong, AG
Ye, XC
Chen, J
Murray, CB
AF Dong, Angang
Ye, Xingchen
Chen, Jun
Murray, Christopher B.
TI Two-Dimensional Binary and Ternary Nanocrystal Superlattices: The Case
of Monolayers and Bilayers
SO NANO LETTERS
LA English
DT Article
DE Binary nanocrystal superlattices; free-standing membrane; monolayer;
ternary nanocrystal superlattices; bilayer; interfacial assembly
ID QUANTUM-DOT SUPERLATTICES; NANOPARTICLE SUPERLATTICES; ELECTRON
TOMOGRAPHY; ARRAYS; PBSE; MEMBRANES; CRYSTALS; FILMS; DNA
AB The modular assembly of multicomponent nanocrystal (NC) superlattices enables new metamaterials with programmable properties. While self-assembly of three-dimensional (3D) binary NC superlattices (BNSLs) has advanced significantly in the past decade, limited progress has been made to grow 2D BNSLs such as monolayers and bilayers over extended areas. Here, we report the growth of large-area (similar to 1 cm(2)), transferable BNSL monolayers using the liquid-air interfacial assembly approach. The BNSL monolayers are formed by an entropy-driven assembly process with structures tunable by varying the NC size ratio. We further demonstrate the liquid-air interfacial assembly of BNSL bilayers which exhibit unique superlattice structures that have not been observed in the 3D BNSLs. As a further extension, bilayered ternary NC superlattices (TNSLs) are obtained by the cocrystallization of three types of NCs at the liquid-air interface.
C1 [Dong, Angang; Ye, Xingchen; Murray, Christopher B.] Univ Penn, Dept Chem, Philadelphia, PA 19104 USA.
[Chen, Jun; Murray, Christopher B.] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA.
[Dong, Angang] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Dong, AG (reprint author), Univ Penn, Dept Chem, Philadelphia, PA 19104 USA.
EM adong@lbl.gov; cbmurray@sas.upenn.edu
RI Dong, Angang/C-5308-2014; Chen, Jun/F-7103-2014; Ye,
Xingchen/D-3202-2017;
OI Ye, Xingchen/0000-0001-6851-2721; Dong, Angang/0000-0002-9677-8778
FU Army Research Office (ARO) through MURI [W911NF-08-1-0364]; Department
of Energy Basic Energy Science division [DE-SC0002158]; Office of Naval
Research (ONR) [N00014-10-1-0942]; Office of Science, Office of Basic
Energy Sciences, Scientific User Facilities Division, of the U.S.
Department of Energy [DE-AC02-05CH11231]; Richard Perry University
FX A.D. and J.C. acknowledge financial support from the Army Research
Office (ARO) through MURI award W911NF-08-1-0364 for development of the
FePt and Fe3O4 NCs and assembly and
characterization of BNSLs and TNSLs. X.Y. acknowledges support from the
Department of Energy Basic Energy Science division through award
DE-SC0002158 for development of NaYF4 NCs and the Office of
Naval Research (ONR) through award N00014-10-1-0942 for the synthesis of
Au NCs and assembly and characterization of BNSLs. This work was
partially performed at the Molecular Foundry, Lawrence Berkeley National
Laboratory, and was supported by the Office of Science, Office of Basic
Energy Sciences, Scientific User Facilities Division, of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231. C.B.M. thanks
the Department of Energy Basic Energy Science division through award
DE-SC0002158 and Richard Perry University Professorship for support of
his supervisor role.
NR 38
TC 77
Z9 77
U1 11
U2 168
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 APR
PY 2011
VL 11
IS 4
BP 1804
EP 1809
DI 10.1021/nl200468p
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 747TB
UT WOS:000289341500073
PM 21413781
ER
PT J
AU Habteyes, TG
Dhuey, S
Cabrini, S
Schuck, PJ
Leone, SR
AF Habteyes, Terefe G.
Dhuey, Scott
Cabrini, Stefano
Schuck, P. James
Leone, Stephen R.
TI Theta-Shaped Plasmonic Nanostructures: Bringing "Dark" Multipole Plasmon
Resonances into Action via Conductive Coupling
SO NANO LETTERS
LA English
DT Article
DE Nanostructures; plasmon; multipole; quadrupole; octupole; Fano
ID OPTICAL-PROPERTIES; GOLD NANOPARTICLES; SYMMETRY-BREAKING; FANO
RESONANCE; NANOCAVITIES; NANORINGS; GROWTH; ARRAYS; LIMIT; SIZE
AB Quadrupole plasmon and (octupolar) Fano resonances are induced in lithographically fabricated theta-shaped ring rod gold nanostructures. The optical response is characterized by measuring the light scattered by individual nanostructures. When the nanorod is brought within 3 nm of the ring wall, a weak quadrupolar resonance is observed due to capacitive coupling, and when a necklike conductive bridge links the nanorod to the nanoring the optical response changes dramatically bringing the quadrupolar resonance into prominence and creating an octupolar Fano resonance. The Fano resonance is observed due to the destructive interference of the octupolar resonance with the overlapping and broadened dipolar resonance. The quadrupolar and Fano resonances are further enhanced by capacitive coupling (near-field interaction) that is favored by the theta-shaped arrangement. The interpretation of the data is supported by FDTD simulation.
C1 [Habteyes, Terefe G.; Leone, Stephen R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Habteyes, Terefe G.; Leone, Stephen R.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Habteyes, Terefe G.; Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Dhuey, Scott; Cabrini, Stefano; Schuck, P. James] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Leone, SR (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM srl@berkeley.edu
FU University of California; MSD; Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX T.G.H. is supported by the University of California President's
Postdoctoral Fellowship Program. Supplies and equipment are provided
through the Materials Research Division (MSD), Lawrence Berkeley
National Laboratory (LBNL), and the nanofabrication and optical
measurements were performed as a User project at the Molecular Foundry,
LBNL. The funds through the MSD and the work at the Molecular Foundry
are supported by the Office of Science, Office of Basic Energy Sciences,
of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
NR 40
TC 64
Z9 64
U1 4
U2 64
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 APR
PY 2011
VL 11
IS 4
BP 1819
EP 1825
DI 10.1021/nl200585b
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 747TB
UT WOS:000289341500076
PM 21425843
ER
PT J
AU Tao, XD
Fernandez, B
Azucena, O
Fu, M
Garcia, D
Zuo, Y
Chen, DC
Kubby, J
AF Tao, Xiaodong
Fernandez, Bautista
Azucena, Oscar
Fu, Min
Garcia, Denise
Zuo, Yi
Chen, Diana C.
Kubby, Joel
TI Adaptive optics confocal microscopy using direct wavefront sensing
SO OPTICS LETTERS
LA English
DT Article
AB Optical aberrations due to the inhomogeneous refractive index of tissue degrade the resolution and brightness of images in deep-tissue imaging. We introduce a confocal fluorescence microscope with adaptive optics, which can correct aberrations based on direct wavefront measurements using a Shack-Hartmann wavefront sensor with a fluorescent bead used as a point source reference beacon. The results show a 4.3 x improvement in the Strehl ratio and a 240% improvement in the signal intensity for fixed mouse tissues at depths of up to 100 mu m. (C) 2011 Optical Society of America
C1 [Tao, Xiaodong; Fernandez, Bautista; Azucena, Oscar; Kubby, Joel] Univ Calif Santa Cruz, Jack Baskin Sch Engn, Santa Cruz, CA 95064 USA.
[Chen, Diana C.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Tao, XD (reprint author), Univ Calif Santa Cruz, Jack Baskin Sch Engn, 1156 High St,MS SOE2, Santa Cruz, CA 95064 USA.
EM taoxd@soe.ucsc.edu
FU National Science Foundation (NSF) [0852742]
FX This work was supported by the National Science Foundation (NSF)
(0852742). The authors acknowledge Claire Max at the Center for Adaptive
Optics, Donald Gavel and Daren Dillon at the Laboratory for Adaptive
Optics, and Yu-Chen Hwang from the Life Sciences Microscopy Center,
University of California, Santa Cruz.
NR 14
TC 56
Z9 57
U1 4
U2 24
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 APR 1
PY 2011
VL 36
IS 7
BP 1062
EP 1064
PG 3
WC Optics
SC Optics
GA 746ML
UT WOS:000289251000012
PM 21478983
ER
PT J
AU Singh, R
Azad, AK
Jia, QX
Taylor, AJ
Chen, HT
AF Singh, Ranjan
Azad, Abul K.
Jia, Q. X.
Taylor, Antoinette J.
Chen, Hou-Tong
TI Thermal tunability in terahertz metamaterials fabricated on strontium
titanate single-crystal substrates
SO OPTICS LETTERS
LA English
DT Article
AB We report an experimental demonstration of thermal tuning of resonance frequency in a planar terahertz metamaterial consisting of a gold split-ring resonator array fabricated on a bulk single-crystal strontium titanate (SrTiO3) substrate. Cooling the metamaterial starting from 409K down to 150K causes about a 43% shift in resonance frequency, and there is very little variation in resonance strength. The resonance shift is due to the temperature-dependent dielectric constant of the strontium titanate. The experiment opens up avenues for designing tunable terahertz devices by exploiting the temperature-sensitive characteristic of high dielectric constant substrates and complex metal oxide materials. (C) 2011 Optical Society of America
C1 [Singh, Ranjan; Azad, Abul K.; Jia, Q. X.; Taylor, Antoinette J.; Chen, Hou-Tong] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Singh, R (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, POB 1663, Los Alamos, NM 87545 USA.
EM ranjan@lanl.gov; chenht@lanl.gov
RI Singh, Ranjan/B-4091-2010; Jia, Q. X./C-5194-2008; Chen,
Hou-Tong/C-6860-2009
OI Singh, Ranjan/0000-0001-8068-7428; Chen, Hou-Tong/0000-0003-2014-7571
FU Los Alamos National Laboratory; Defense Advanced Research Projects
Agency (DARPA)/Microsystems Technology (MTO); United States DOE
[DE-AC52-06NA25396]
FX We acknowledge support from the Los Alamos National Laboratory
Laboratory Directed Research and Development (LDRD) Program, and
acknowledge partial funding support by the Defense Advanced Research
Projects Agency (DARPA)/Microsystems Technology (MTO) Casimir Effect
Enhancement Program. This work was performed, in part, at the Center for
Integrated Nanotechnologies, a United States Department of Energy (DOE),
Office of Basic Energy Sciences Nanoscale Science Research Center
operated jointly by Los Alamos and Sandia National Laboratories. Los
Alamos National Laboratory, an affirmative action/equal opportunity
employer, is operated by Los Alamos National Security, LLC, for the
National Nuclear Security Administration of the United States DOE under
contract DE-AC52-06NA25396.
NR 15
TC 56
Z9 56
U1 1
U2 20
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 APR 1
PY 2011
VL 36
IS 7
BP 1230
EP 1232
PG 3
WC Optics
SC Optics
GA 746ML
UT WOS:000289251000068
PM 21479039
ER
PT J
AU Chen, YT
Chen, TY
Yi, JM
Chu, YS
Lee, WK
Wang, CL
Kempson, IM
Hwu, Y
Gajdosik, V
Margaritondo, G
AF Chen, Yu-Tung
Chen, Tsung-Yu
Yi, Jaemock
Chu, Yong S.
Lee, Wah-Keat
Wang, Cheng-Liang
Kempson, Ivan M.
Hwu, Y.
Gajdosik, Vincent
Margaritondo, G.
TI Hard x-ray Zernike microscopy reaches 30 nm resolution
SO OPTICS LETTERS
LA English
DT Article
ID PHASE-CONTRAST MODE
AB Since its invention in 1930, Zernike phase contrast has been a pillar in optical microscopy and more recently in x-ray microscopy, in particular for low-absorption-contrast biological specimens. We experimentally demonstrate that hard-x-ray Zernike microscopy now reaches a lateral resolution below 30nm while strongly enhancing the contrast, thus opening many new research opportunities in biomedicine and materials science. (C) 2011 Optical Society of America
C1 [Gajdosik, Vincent; Margaritondo, G.] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland.
[Chen, Yu-Tung; Chen, Tsung-Yu; Wang, Cheng-Liang; Kempson, Ivan M.; Hwu, Y.] Acad Sinica, Inst Phys, Taipei 115, Taiwan.
[Yi, Jaemock; Chu, Yong S.; Lee, Wah-Keat] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Chu, Yong S.] Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA.
[Hwu, Y.] Natl Tsing Hua Univ, Dept Engn Sci & Syst, Hsinchu 300, Taiwan.
[Hwu, Y.] Natl Taiwan Ocean Univ, Inst Optoelect Sci, Chilung 202, Taiwan.
RP Margaritondo, G (reprint author), Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland.
EM phhwu@sinica.edu.tw; giorgio.margaritondo@epfl.ch
RI Centre d'imagerie Biomedicale, CIBM/B-5740-2012; Kempson,
Ivan/F-4526-2013;
OI Kempson, Ivan/0000-0002-3886-9516
FU National Science and Technology for Nanoscience and Nanotechnology;
Academia Sinica (Taiwan); Fonds National Suisse; Center for Biomedical
Imaging (CIBM); United States Department of Energy (DOE)
[DE-AC02-06CH11357]
FX Research was supported by National Science and Technology for
Nanoscience and Nanotechnology, the Thematic Project of Academia Sinica
(Taiwan), the Fonds National Suisse, and the Center for Biomedical
Imaging (CIBM). We used equipment of the Academia Sinica Core Facility
for Nanoscience and Nanotechnology and Biomedical NanoImaging. The APS
is supported by the United States Department of Energy (DOE) under
contract DE-AC02-06CH11357.
NR 15
TC 37
Z9 38
U1 1
U2 11
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 APR 1
PY 2011
VL 36
IS 7
BP 1269
EP 1271
PG 3
WC Optics
SC Optics
GA 746ML
UT WOS:000289251000083
PM 21479054
ER
PT J
AU Chhajed, S
Cho, J
Schubert, EF
Kim, JK
Koleske, DD
Crawford, MH
AF Chhajed, Sameer
Cho, Jaehee
Schubert, E. Fred
Kim, Jong Kyu
Koleske, Daniel D.
Crawford, Mary H.
TI Temperature-dependent light-output characteristics of GaInN
light-emitting diodes with different dislocation densities
SO PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
LA English
DT Article
DE dislocation density; GaInN; light-emitting diodes
AB We have experimentally investigated the temperature dependence of optical-output power of light-emitting diodes (LEDs) with different threading dislocation densities (TDDs) to assess the influence of the TDD on the temperature stability of LEDs. Whereas the LED with high TDD shows a 64% decrease in optical-output power when the ambient temperature increases from 20 to 150 degrees C, the LED with low TDD shows only a 54% decrease. The temperature dependence of the optical-output power and current dependence of the characteristic temperature T-ch of LEDs shows that short radiative recombination lifetime and low TDDs are essential to obtain LED characteristics that are tolerant of high temperatures. (c) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
C1 [Chhajed, Sameer; Cho, Jaehee; Schubert, E. Fred] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA.
[Kim, Jong Kyu] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, South Korea.
[Koleske, Daniel D.; Crawford, Mary H.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Cho, J (reprint author), Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA.
EM cho.jaehee@gmail.com
RI Cho, Jaehee/H-3506-2013
OI Cho, Jaehee/0000-0002-8794-3487
FU US Department of Energy, Office of Basic Energy Sciences; Samsung LED;
National Science Foundation (NSF); New York State Energy Research and
Development Authority (NYSERDA); Defense Advanced Research Projects
Agency (DARPA); United States Department of Energy's National Nuclear
Security Administration [DE-AC04-94AL85000]
FX Work performed by S.C., J.C., D. D. K., and M. H. C. was supported by
Sandia's Solid-State Lighting Science Center, an Energy Frontier
Research Center funded by the US Department of Energy, Office of Basic
Energy Sciences. The authors would also like to thank Stephen Lee of
Sandia for valuable technical discussions. Contributions of E. F. S. and
J. K. K. were supported by Samsung LED, the National Science Foundation
(NSF), New York State Energy Research and Development Authority
(NYSERDA), and Defense Advanced Research Projects Agency (DARPA). Sandia
is a multiprogram laboratory managed and operated by Sandia Corporation,
a wholly owned subsidiary of Lockheed Martin Co., for the United States
Department of Energy's National Nuclear Security Administration under
Contract No. DE-AC04-94AL85000.
NR 11
TC 21
Z9 21
U1 2
U2 12
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 1862-6300
J9 PHYS STATUS SOLIDI A
JI Phys. Status Solidi A-Appl. Mat.
PD APR
PY 2011
VL 208
IS 4
BP 947
EP 950
DI 10.1002/pssa.201026668
PG 4
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Condensed Matter
SC Materials Science; Physics
GA 749ZX
UT WOS:000289513700036
ER
PT J
AU Abel, T
AF Abel, Tom
TI The first stars, as seen by supercomputers
SO PHYSICS TODAY
LA English
DT Article
ID PRIMORDIAL GAS; UNIVERSE
C1 [Abel, Tom] Stanford Univ, Stanford, CA 94305 USA.
[Abel, Tom] SLAC, Stanford, CA USA.
RP Abel, T (reprint author), Stanford Univ, Stanford, CA 94305 USA.
NR 10
TC 3
Z9 3
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0031-9228
J9 PHYS TODAY
JI Phys. Today
PD APR
PY 2011
VL 64
IS 4
BP 51
EP 56
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 748NS
UT WOS:000289397900017
ER
PT J
AU Gao, HY
He, YH
Shen, PZ
Zou, J
Xu, NP
Jiang, Y
Huang, BY
Liu, CT
AF Gao, H. Y.
He, Y. H.
Shen, P. Z.
Zou, J.
Xu, N. P.
Jiang, Y.
Huang, B. Y.
Liu, C. T.
TI Congenerous and heterogeneous brazing of porous FeAl intermetallics
SO POWDER METALLURGY
LA English
DT Article
DE Iron aluminides (based on FeAl); Brazing; Mechanical properties;
Diffusion
ID HIGH-TEMPERATURE CORROSION; INFRARED BRAZED FE3AL; MICROSTRUCTURAL
EVOLUTION; IRON ALUMINIDE; FE-40AL SHEET; HEATING RATE; BEHAVIOR; ALLOYS
AB Congenerous and heterogeneous brazing of porous FeAl intermetallics has been successfully realised using Cu-10Sn green compact as brazing filler. Cu-Sn intermetallic phases combined with (Cu,Sn) solid solution were formed in the brazing line for congenerous brazing, while (Cu, Sn) solid solution was the main phase formed for heterogeneous brazing. Maximum tensile strengths for congenerous and heterogeneous brazing are 75.0 and 83.9 MPa which are about 81.5 and 91.2% of that of porous FeAl alloy (similar to 92.0 Mpa) respectively. The interface structure of the stainless steel and porous FeAl joint brazed at 940 degrees C for 15 min is S-S+(Cu,Sn)/(Cu,Sn)/ Cu(9)Al(4)z(Cu,Fe)+(Cu,Sn)/ AlFe3+Al4Cu9+(Cu,Sn). In the porous FeAl and porous FeAl joint brazed with Cu-10Sn filler at 940 degrees C, Cu-Sn intermetallics and (Cu, Sn) solid solution were the main phases in the joint line.
C1 [Gao, H. Y.; He, Y. H.; Shen, P. Z.; Zou, J.; Jiang, Y.; Huang, B. Y.] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China.
[Zou, J.] Univ Queensland, Sch Engn, Brisbane, Qld 4072, Australia.
[Zou, J.] Univ Queensland, Ctr Microscopy & Microanal, Brisbane, Qld 4072, Australia.
[Xu, N. P.] Nanjing Univ Technol, Membrane Sci & Technol Res Ctr, Nanjing 210009, Peoples R China.
[Liu, C. T.] Oak Ridge Natl Lab, Div Met & Ceram, Oak Ridge, TN 37831 USA.
RP He, YH (reprint author), Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China.
EM yuehui@mail.csu.edu.cn
RI Zou, Jin/B-3183-2009
OI Zou, Jin/0000-0001-9435-8043
FU Chinese Ministry of Education, NSF of China [2006AA03Z511, 50825102,
50721003, 20636020]; US Department of Energy [DE-AC05-000R-22725]
FX The authors are grateful for the financial support from the 111 Project
of Chinese Ministry of Education, NSF of China (grant nos. 2006AA03Z511,
50825102, 50721003 and 20636020) and the US Department of Energy with
subcontract to Oak Ridge National Laboratory (no. DE-AC05-000R-22725).
NR 22
TC 1
Z9 1
U1 2
U2 9
PU MANEY PUBLISHING
PI LEEDS
PA STE 1C, JOSEPHS WELL, HANOVER WALK, LEEDS LS3 1AB, W YORKS, ENGLAND
SN 0032-5899
EI 1743-2901
J9 POWDER METALL
JI Powder Metall.
PD APR
PY 2011
VL 54
IS 2
BP 142
EP 147
DI 10.1179/174329009X424537
PG 6
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA 747UM
UT WOS:000289345400020
ER
PT J
AU Kerschhaggl, M
Aldering, G
Antilogus, P
Aragon, C
Bailey, S
Baltay, C
Bongard, S
Buton, C
Canto, A
Childress, M
Chotard, N
Copin, Y
Fakhouri, HK
Gangler, E
Hsiao, EY
Kowaiski, M
Loken, S
Nugent, P
Paech, K
Pain, R
Pecontal, E
Pereira, R
Perlmutter, S
Rabinowitz, D
Runge, K
Scalzo, R
Smadja, G
Tao, C
Thomas, RC
Wu, C
AF Kerschhaggl, M.
Aldering, G.
Antilogus, P.
Aragon, C.
Bailey, S.
Baltay, C.
Bongard, S.
Buton, C.
Canto, A.
Childress, M.
Chotard, N.
Copin, Y.
Fakhouri, H. K.
Gangler, E.
Hsiao, E. Y.
Kowaiski, M.
Loken, S.
Nugent, P.
Paech, K.
Pain, R.
Pecontal, E.
Pereira, R.
Perlmutter, S.
Rabinowitz, D.
Runge, K.
Scalzo, R.
Smadja, G.
Tao, C.
Thomas, R. C.
Wu, C.
TI Cosmology with the Nearby Supernova Factory
SO PROGRESS IN PARTICLE AND NUCLEAR PHYSICS
LA English
DT Review
DE Supernovae; General-cosmology; Observations
ID IA SUPERNOVAE
AB The Nearby Supernova Factory (SNfactory) is currently finishing its first survey of low redshift (0.03 < z < 0.08) type la supernovae. These data add to the understanding of the expansion history of the universe. Observations are performed using the Supernova Integral Field Spectrograph (SNIFS), an integral field spectrograph delivering full spectrophotometric information of the target. The corresponding dataset aims at the inference of the Hubble diagram zero point with unprecedented accuracy. Moreover, the data offers a variety of related physical studies such as the understanding of progenitor systems, explosion scenarios and host galaxy characteristics. The SNfactory is also working on novel methods accessible with spectro-photometric measurements, reducing systematic uncertainties and improving the statistical power of the SN data. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Kerschhaggl, M.; Buton, C.; Kowaiski, M.; Paech, K.] Univ Bonn, Inst Phys, D-53115 Bonn, Germany.
[Aldering, G.; Aragon, C.; Bailey, S.; Childress, M.; Fakhouri, H. K.; Hsiao, E. Y.; Loken, S.; Nugent, P.; Perlmutter, S.; Runge, K.; Thomas, R. C.] Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA.
[Antilogus, P.; Bongard, S.; Canto, A.; Pain, R.; Wu, C.] Univ Paris, Univ Paris 06, CNRS IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris 05, France.
[Baltay, C.; Rabinowitz, D.; Scalzo, R.] Yale Univ, Dept Phys, New Haven, CT 06250 USA.
[Childress, M.; Fakhouri, H. K.; Perlmutter, S.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Chotard, N.; Copin, Y.; Gangler, E.; Pereira, R.; Smadja, G.] Univ Lyon 1, CNRS IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France.
[Nugent, P.; Thomas, R. C.] Lawrence Berkeley Natl Lab, Computat Res Div, Computat Cosmol Ctr, Berkeley, CA 94611 USA.
[Pecontal, E.] Univ Lyon 1, Ctr Rech Astron Lyon, F-69561 St Genis Laval, France.
[Tao, C.] CPPM, F-13288 Marseille 09, France.
[Tao, C.] Tsinghua U, THCA, Beijing, Peoples R China.
RP Kerschhaggl, M (reprint author), Univ Bonn, Inst Phys, Nussallee 12, D-53115 Bonn, Germany.
EM mkersch@physik.uni-bonn.de
RI Copin, Yannick/B-4928-2015; Perlmutter, Saul/I-3505-2015;
OI Copin, Yannick/0000-0002-5317-7518; Perlmutter,
Saul/0000-0002-4436-4661; Scalzo, Richard/0000-0003-3740-1214
NR 14
TC 1
Z9 1
U1 2
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0146-6410
J9 PROG PART NUCL PHYS
JI Prog. Part. Nucl. Phys.
PD APR
PY 2011
VL 66
IS 2
BP 335
EP 339
DI 10.1016/j.ppnp.2011.01.030
PG 5
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 751ES
UT WOS:000289600900026
ER
PT J
AU Steffey, RW
Anantatmula, VS
AF Steffey, Robert W.
Anantatmula, Vittal S.
TI International Projects Proposal Analysis: Risk Assessment Using Radial
Maps
SO PROJECT MANAGEMENT JOURNAL
LA English
DT Article
DE international project; multinational; collaborative; virtual team; risk;
radial risk mapping
ID CONSTRUCTION JOINT VENTURES; MANAGEMENT
AB International projects are very attractive to companies seeking to expand their business horizons, and collaborative networks of international partners have created new work environments that differ from the conventional business structures of the past. This study provides scholarly research into the risks that inherently affect an international project's success and provides insight into the effective measures that project managers may employ to assist in analyzing and mitigating these multinational risks during the bid and proposal process. A new method of radial risk mapping assists management in graphing their risk findings to aid in their proposal analysis. These graphical representations provide firms seeking international markets with a method for selecting those projects with the least risk, thereby increasing their chances of success and maximum profit.
C1 [Steffey, Robert W.] UT Battelle, Oak Ridge Natl Labs, Oak Ridge, TN USA.
[Anantatmula, Vittal S.] Western Carolina Univ, Cullowhee, NC 28723 USA.
RP Steffey, RW (reprint author), UT Battelle, Oak Ridge Natl Labs, Oak Ridge, TN USA.
EM vittal@email.wcu.edu
NR 56
TC 4
Z9 5
U1 0
U2 17
PU WILEY PERIODICALS, INC
PI SAN FRANCISCO
PA ONE MONTGOMERY ST, SUITE 1200, SAN FRANCISCO, CA 94104 USA
SN 8756-9728
EI 1938-9507
J9 PROJ MANAG J
JI Proj. Manag. J.
PD APR
PY 2011
VL 42
IS 3
BP 62
EP 74
DI 10.1002/pmj.20237
PG 13
WC Management
SC Business & Economics
GA 746SO
UT WOS:000289267700005
ER
PT J
AU Molinari, AJ
Pozzi, ECC
Hughes, AM
Heber, EM
Garabalino, MA
Thorp, SI
Miller, M
Itoiz, ME
Aromando, RF
Nigg, DW
Quintana, J
Santa Cruz, GA
Trivillin, VA
Schwint, AE
AF Molinari, Ana J.
Pozzi, Emiliano C. C.
Hughes, Andrea Monti
Heber, Elisa M.
Garabalino, Marcela A.
Thorp, Silvia I.
Miller, Marcelo
Itoiz, Maria E.
Aromando, Romina F.
Nigg, David W.
Quintana, Jorge
Santa Cruz, Gustavo A.
Trivillin, Veronica A.
Schwint, Amanda E.
TI "Sequential" Boron Neutron Capture Therapy (BNCT): A Novel Approach to
BNCT for the Treatment of Oral Cancer in the Hamster Cheek Pouch Model
SO RADIATION RESEARCH
LA English
DT Article
ID NECK MALIGNANCIES; RECURRENT HEAD; TIME FACTOR; RADIATION; TUMORS;
RADIOBIOLOGY; REPOPULATION; CARCINOMA; MUCOSITIS; FACILITY
AB Molinari, A. J., Pozzi, E. C. C., Monti Hughes, A., Heber, E. M., Garabalino, M. A., Thorp, S. I., Miller, M., Itoiz, M. E., Aromando, R. F., Nigg, D. W., Quintana, J., Santa Cruz, G. A., Trivillin, V. A. and Schwint, A. E. "Sequential" Boron Neutron Capture Therapy (BNCT): A Novel Approach to BNCT for the Treatment of Oral Cancer in the Hamster Cheek Pouch Model. Radiat. Res. 175, 463-472 (2011).
In the present study the therapeutic effect and potential toxicity of the novel "Sequential" boron neutron capture therapy (Seq-BNCT) for the treatment of oral cancer was evaluated in the hamster cheek pouch model at the RA-3 Nuclear Reactor. Two groups of animals were treated with "Sequential" BNCT, i.e., BNCT mediated by boronophenylalanine (BPA) followed by BNCT mediated by sodium decahydrodecaborate (GB-10) either 24 h (Seq-24h-BNCT) or 48 h (Seq-48h-BNCT) later. In an additional group of animals, BPA and GB-10 were administered concomitantly [(BPA + GB-10)-BNCT]. The single-application BNCT was to the same total physical tumor dose as the "Sequential" BNCT treatments. At 28 days post-treatment, Seq-24h-BNCT and Seq-48h-BNCT induced, respectively, overall tumor responses of 95 +/- 2% and 91 +/- 3%, with no statistically significant differences between protocols. Overall response for the single treatment with (BPA + GB-10)-BNCT was 75 +/- 5%, significantly lower than for Seq-BNCT. Both Seq-BNCT protocols and (BPA + GB-10)-BNCT induced reversible mucositis in the dose-limiting precancerous tissue around treated tumors, reaching Grade 3/4 mucositis in 47 +/- 12% and 60 +/- 22% of the animals, respectively. No normal tissue toxicity was associated with tumor response for any of the protocols. "Sequential" BNCT enhanced tumor response without an increase in mucositis in dose-limiting precancerous tissue. (C) 2011 by Radiation Research Society
C1 [Molinari, Ana J.; Pozzi, Emiliano C. C.; Hughes, Andrea Monti; Heber, Elisa M.; Garabalino, Marcela A.; Itoiz, Maria E.; Trivillin, Veronica A.; Schwint, Amanda E.] Natl Atom Energy Commiss, Dept Radiobiol, Constituyentes Atom Ctr, San Martin, Buenos Aires, Argentina.
[Thorp, Silvia I.; Miller, Marcelo; Santa Cruz, Gustavo A.] Natl Atom Energy Commiss, Ezeiza Atom Ctr, Instrumentat & Control Dept, San Martin, Buenos Aires, Argentina.
[Itoiz, Maria E.; Aromando, Romina F.] Univ Buenos Aires, Fac Dent, Dept Oral Pathol, RA-1053 Buenos Aires, DF, Argentina.
[Nigg, David W.] Idaho Natl Lab, Idaho Falls, ID USA.
RP Schwint, AE (reprint author), Natl Atom Energy Commiss, Dept Radiobiol, Constituyentes Atom Ctr, Ave Gen Paz 1499,B1650Kna, San Martin, Buenos Aires, Argentina.
EM schwint@cnea.gov.ar
FU U.S. Department of Energy through the Idaho National Laboratory;
National Agency for the Promotion of Science and Technology of Argentina
FX This study was supported in part by in-kind contributions from the U.S.
Department of Energy through the Idaho National Laboratory and a grant
from the National Agency for the Promotion of Science and Technology of
Argentina. The authors wish to acknowledge enlightening discussions with
Prof. John Hopewell on the choice of the interval between applications
in the "Sequential" protocols and the helpful advice of Dr. Salvador Gil
in data processing. The authors gratefully acknowledge the generous and
expert collaboration of Eng. Agustina Portu and Dr. Giselle Saint-Martin
in complementary neutron autoradiography studies. AMH, VaAT and AES are
members of the National Research Council of Argentina (CONICET).
NR 48
TC 18
Z9 18
U1 0
U2 4
PU RADIATION RESEARCH SOC
PI LAWRENCE
PA 810 E TENTH STREET, LAWRENCE, KS 66044 USA
SN 0033-7587
EI 1938-5404
J9 RADIAT RES
JI Radiat. Res.
PD APR
PY 2011
VL 175
IS 4
BP 463
EP 472
DI 10.1667/RR2148.1
PG 10
WC Biology; Biophysics; Radiology, Nuclear Medicine & Medical Imaging
SC Life Sciences & Biomedicine - Other Topics; Biophysics; Radiology,
Nuclear Medicine & Medical Imaging
GA 747KP
UT WOS:000289319000007
PM 21294607
ER
PT J
AU Guo, ZS
Liu, DA
Wang, C
Pei, JA
Zhou, ZL
Zhao, LH
Gibson, G
Brug, J
Lam, S
Mao, SS
AF Guo ZengShan
Liu DeAng
Wang Cheng
Pei Jian
Zhou ZhangLin
Zhao LiHua
Gibson, Gary
Brug, James
Lam, Sity
Mao, Samuel S.
TI Phosphine oxide-functionalized polyfluorene derivatives: Synthesis,
photophysics, electrochemical properties, and electroluminescence
performance
SO SCIENCE CHINA-CHEMISTRY
LA English
DT Article
DE organic light-emitting diodes; polyfluorene derivatives;
electroluminescence
ID LIGHT-EMITTING-DIODES; SOLUBLE CONJUGATED POLYMERS; THIN-FILM
TRANSISTORS; POLARIZED ELECTROLUMINESCENCE; FLUORENONE DEFECTS;
HIGH-EFFICIENCY; BLUE EMISSION; CELLS; POLY(9,9-DIOCTYLFLUORENE);
HETEROJUNCTIONS
AB A series of phosphine oxide-functionalized polyfluorene derivatives, PFH-PO-40-1 (P1), PFH-PO-20-1 (P2), PFH-PO-10-1 (P3), and PFH-PO-1-1 (P4), were prepared via a palladium-mediated Suzuki cross-coupling reaction. The structures and purities of all polymers were fully characterized by (1)H and (13)C NMR, UV-vis and photoluminescent spectroscopy, gel permeation chromatography, and TGA/DSC. Their emission features showed single broad peaks at about 445 nm in film, compared with those in dilute solutions, which might be caused by some degree of aggregation in the excited states of the backbones. The best electroluminescence (EL) performance of these polymers with configuration of ITO/PEDOT:PSS/Polymer/Alq(3)/LiF/Al was obtained from P1 (current efficiency was 4.2 Cd/A at 6V).
C1 [Guo ZengShan; Wang Cheng; Pei Jian] Peking Univ, Coll Chem & Mol Engn, Key Lab Bioorgan Chem & Mol Engn, Minist Educ, Beijing 100871, Peoples R China.
[Zhou ZhangLin; Zhao LiHua; Gibson, Gary; Brug, James; Lam, Sity] Hewlett Packard Corp, Informat Surfaces Lab, Hewlett Packard Labs, Palo Alto, CA 94304 USA.
[Liu DeAng; Mao, Samuel S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Liu DeAng; Mao, Samuel S.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
RP Pei, JA (reprint author), Peking Univ, Coll Chem & Mol Engn, Key Lab Bioorgan Chem & Mol Engn, Minist Educ, Beijing 100871, Peoples R China.
EM jianpei@pku.edu.cn; zhang-lin.zhou@hp.com; ssmao@newton.berkeley.edu
FU National Basic Research Program of China [2006CB921602, 2009CB623601];
National Natural Science Foundation of China; Hewlett Packard Company
FX This work was supported by the National Basic Research Program of China
(2006CB921602 and 2009CB623601) and National Natural Science Foundation
of China, and Hewlett Packard Company.
NR 44
TC 2
Z9 2
U1 2
U2 25
PU SCIENCE CHINA PRESS
PI BEIJING
PA 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
SN 1674-7291
J9 SCI CHINA CHEM
JI Sci. China-Chem.
PD APR
PY 2011
VL 54
IS 4
BP 678
EP 684
DI 10.1007/s11426-011-4249-3
PG 7
WC Chemistry, Multidisciplinary
SC Chemistry
GA 747DB
UT WOS:000289299400017
ER
PT J
AU Jin, LX
Rother, G
Cole, DR
Mildner, DFR
Duffy, CJ
Brantley, SL
AF Jin, Lixin
Rother, Gernot
Cole, David R.
Mildner, David F. R.
Duffy, Christopher J.
Brantley, Susan L.
TI Characterization of deep weathering and nanoporosity development in
shale-A neutron study
SO AMERICAN MINERALOGIST
LA English
DT Article
DE SANS/USANS; regolith; porosity; fractal dimension; clay minerals;
surface area
ID SMALL-ANGLE SCATTERING; LUQUILLO MOUNTAINS; SEDIMENTARY-ROCKS; FRACTAL
GEOMETRY; SOIL PRODUCTION; VOLCANIC-ROCKS; MASS-TRANSFER; EROSION RATE;
PUERTO-RICO; MODEL
AB We used small-angle and ultra-small-angle neutron scattering (SANS/USANS) to characterize the evolution of nanoscale features in weathering Rose Hill shale within the Susquehanna/Shale Hills Observatory (SSHO). The SANS/USANS techniques, here referred to as neutron scattering (NS), characterize porosity comprised of features ranging from approximately 3 nm to several micrometers in dimension. NS was used to investigate shale chips sampled by gas-powered drilling ("saprock") or by hand-augering ("regolith") at ridgetop. At about 20 m depth, dissolution is inferred to have depleted the bedrock of ankerite and all the chips investigated with NS are from above the ankerite dissolution zone. NS documents that 5-6% of the total ankerite-free rock volume is comprised of isolated, intraparticle pores. At 5 m depth, an abrupt increase in porosity and surface area corresponds with onset of feldspar dissolution in the saprock and is attributed mainly to pen-glacial processes from 1 5 000 years ago. At tens of centimeters below the saprock-regolith interface, the porosity and surface area increase markedly as chlorite and illite begin to dissolve. These clay reactions contribute to the transformation of saprock to regolith. Throughout the regolith, intraparticle pores in chips connect to form larger interparticle pores and scattering changes from a mass fractal at depth to a surface fractal near the land surface. Pore geometry also changes from anisotropic at depth, perhaps related to pencil cleavage created in the rock by previous tectonic activity, to isotropic at the uppermost surface as clays weather. In the most weathered regolith, kaolinite and Fe-oxyhydroxides precipitate, blocking some connected pores. These precipitates, coupled with exposure of more quartz by clay weathering, contribute to the decreased mineral-pore interfacial area in the uppermost samples. These observations are consistent with conversion of bedrock to saprock to regolith at SSHO due to: (I) transport of reactants (e.g., water, O-2) into primary pores and fractures created by tectonic events and pen-glacial effects; (2) mineral-water reactions and particle loss that increase porosity and the access of water into the rock. From deep to shallow, mineral-water reactions may change from largely transport-limited where porosity was set largely by ancient tectonic activity to kinetic-limited where porosity is changing due to climate-driven processes.
C1 [Jin, Lixin; Brantley, Susan L.] Penn State Univ, Ctr Environm Kinet Anal, Earth & Environm Syst Inst, University Pk, PA 16803 USA.
[Rother, Gernot; Cole, David R.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Cole, David R.] Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA.
[Duffy, Christopher J.] Penn State Univ, Dept Civil & Environm Engn, University Pk, PA 16803 USA.
RP Jin, LX (reprint author), Penn State Univ, Ctr Environm Kinet Anal, Earth & Environm Syst Inst, University Pk, PA 16803 USA.
EM luj10@psu.edu
RI Sanders, Susan/G-1957-2011; Rother, Gernot/B-7281-2008
OI Rother, Gernot/0000-0003-4921-6294
FU National Science Foundation [DMR-0454672]; U.S. Department of Energy,
Office of Basic Energy Sciences [DE-AC05-00OR22725]; NSF [CHE-0431328,
EAR-0725019]
FX We acknowledge instrumentation and technical support at NCNR-NIST from
Andrew Jackson and Rick Paul. John Cantolina at Material
Characterization Laboratory at the Pennsylvania State University helped
with SEM and Larry Allard at ORNL with TEM. Waleska Castro and Tiffany
Yesavage helped with ferrous iron titration. This work utilized
facilities supported in part by the National Science Foundation under
Agreement No. DMR-0454672. We acknowledge the support of the National
Institute of Standards and Technology, U.S. Department of Commerce, in
providing the neutron research facilities used in this work. The
identification of commercial products is for adequate description of the
experimental facilities and procedures, and does not imply
recommendations or endorsement by the National Institute of Standards
and Technology, nor does it imply that the equipment is necessarily the
best available for the purpose. G. R. and D.R.C. are supported from the
U.S. Department of Energy, Office of Basic Energy Sciences through
"Structure and Dynamics of Earth Materials, Interfaces, and Reactions"
(FWP ERKCC72) under contract DE-AC05-00OR22725 to Oak Ridge National
Laboratory, managed and operated by UT-Battelle, LLC. L.J. and S.L.B.
acknowledge funding front NSF CHE-0431328 (PI: S. Brantley) for support
for the Environmental Molecular Sciences Institute at Penn State (Center
for Environmental Kinetics Analysis) and from NSF EAR-0725019 (PI: C.
Duffy, Penn State) for the Susquehanna/Shale Hills Critical Zone
Observatory. Logistical support was provided by the NSF-supported Shale
Hills Susquehanna Critical Zone Observatory. We thank Steven Higgins for
editorial handling and Alain Meunier and another anonymous reviewer for
comments, which greatly improved this work.
NR 78
TC 40
Z9 41
U1 4
U2 48
PU MINERALOGICAL SOC AMER
PI CHANTILLY
PA 3635 CONCORDE PKWY STE 500, CHANTILLY, VA 20151-1125 USA
SN 0003-004X
J9 AM MINERAL
JI Am. Miner.
PD APR
PY 2011
VL 96
IS 4
BP 498
EP 512
DI 10.2138/am.2011.3598
PG 15
WC Geochemistry & Geophysics; Mineralogy
SC Geochemistry & Geophysics; Mineralogy
GA 744XR
UT WOS:000289129000004
ER
PT J
AU Xu, WQ
Hausner, DB
Harrington, R
Lee, PL
Strongin, DR
Parise, JB
AF Xu, Wenqian
Hausner, Douglas B.
Harrington, Richard
Lee, Peter L.
Strongin, Daniel R.
Parise, John B.
TI Structural water in ferrihydrite and constraints this provides on
possible structure models
SO AMERICAN MINERALOGIST
LA English
DT Article
DE Ferrihydrite; hydrous ferric oxide; hydroxyl; hematite; goethite; pair
distribution function; PDF analysis; tetrahedral iron in ferrihydrite
ID PAIR DISTRIBUTION FUNCTION; X-RAY-DIFFRACTION; NANOCRYSTALLINE MATERIAL;
SYNTHETIC FERRIHYDRITE; 6-LINE FERRIHYDRITE; SURFACE-AREA; OXYHYDROXIDE;
CONSTITUTION; SPECTROSCOPY; REFINEMENT
AB The dry thermal transformation of 2-line ferrihydrite to hematite was investigated using combinations of thermogravimetric (TG) and differential scanning calorimetric (DSC) analysis, along with in situ DSC and pair distribution function (PDF) analysis of X-ray total scattering data and in situ temperature controlled infrared (IR) spectroscopy. TG data show a 25.6 +/- 0.1% weight loss below 300 degrees C, ascribed to the removal of surface water since PDF analysis shows no change in the structure of ferrihydrite up to this temperature. The transformation to hematite occurs at around 415 +/- 1 degrees C (peak temperature) at a heating rate of 10 degrees C/min, with no obvious weight change during or after the transformation. In situ PDF analysis indicates that the ferrihydrite bulk structure remained intact up to the direct transition to crystalline hematite, with no intermediate phases, crystalline or amorphous, formed. In situ IR data shows the extent of absorption attributable to OH stretching in ferrihydrite at 215 degrees C dropped to 10% of its room-temperature value. These results suggest ferrihydrite contains very little structural OH: the molar ratio of OH/Fe is 0.18 +/- 0.01. A recently proposed akdalaite-like ferrihydrite model has an OH/Fe equal to 0.2, consistent with this result. The 3-phase model proposed by Drits et al. (1993) has an average formula close to FeOOH, with an OH/Fe equal to 1.0, far more than suggested by our experiments. Based on the constraints set by the estimated water content and the PDF signatures, we examined possible anion packing types and local structural motifs in ferrihydrite, and demonstrate that ABAC is the only feasible packing type and that a peak at 3.44(2) angstrom in PDF provides indirect evidence for the presence of tetrahedral Fe.
C1 [Xu, Wenqian; Harrington, Richard; Parise, John B.] SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA.
[Hausner, Douglas B.; Strongin, Daniel R.] Temple Univ, Dept Chem, Philadelphia, PA 19122 USA.
[Hausner, Douglas B.] Rutgers State Univ, Dept Chem, Camden, NJ 08102 USA.
[Lee, Peter L.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Harrington, Richard; Parise, John B.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
RP Xu, WQ (reprint author), SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA.
EM john.parise@stonybrook.edu
RI Xu, Wenqian/M-5906-2013
FU NASA [MFRP07-0022]; National Science Foundation (NSF) [CHE0714183]; U.S.
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-06CH11357]
FX Wenqian Xu and John B. Parise appreciate support from NASA Grant
MFRP07-0022. The authors appreciate financial support from the National
Science Foundation (NSF) through Collaborative Research in Chemistry
(CRC), grant number CHE0714183. High-energy XRD measurements were
performed at X-ray Operation and Research (XOR) beamline 1-ID-C at the
Advanced Photon Source, Argonne National Laboratory. Work at APS was
supported by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences, under contract no. DE-AC02-06CH11357.
NR 39
TC 30
Z9 30
U1 4
U2 58
PU MINERALOGICAL SOC AMER
PI CHANTILLY
PA 3635 CONCORDE PKWY STE 500, CHANTILLY, VA 20151-1125 USA
SN 0003-004X
J9 AM MINERAL
JI Am. Miner.
PD APR
PY 2011
VL 96
IS 4
BP 513
EP 520
DI 10.2138/am.2011.3460
PG 8
WC Geochemistry & Geophysics; Mineralogy
SC Geochemistry & Geophysics; Mineralogy
GA 744XR
UT WOS:000289129000005
ER
PT J
AU Best, M
Koenig, K
McDonald, K
Schueller, M
Rogers, A
Ferrieri, RA
AF Best, Marcel
Koenig, Kaitlyn
McDonald, Kelly
Schueller, Michael
Rogers, Alistair
Ferrieri, Richard A.
TI Inhibition of trehalose breakdown increases new carbon partitioning into
cellulosic biomass in Nicotiana tabacum
SO CARBOHYDRATE RESEARCH
LA English
DT Article
DE [C-11]Cellulose; [C-11]Hemicellulose; Metabolism; Trehalose; Trehalase;
Validamycin
ID DEVELOPING COTTON FIBERS; TREHALOSE-6-PHOSPHATE SYNTHASE;
SACCHAROMYCES-CEREVISIAE; MOLECULAR-CLONING; PLANT DEVELOPMENT; ABIOTIC
STRESS; UDP-GLUCOSE; METABOLISM; ARABIDOPSIS; ACCUMULATION
AB Validamycin A was used to inhibit in vivo trehalase activity in tobacco enabling the study of subsequent changes in new C partitioning into cellulosic biomass and lignin precursors. After 12-h exposure to treatment, plants were pulse labeled using radioactive (CO2)-C-11, and the partitioning of isotope was traced into [C-11]cellulose and [C-11]hemicellulose, as well as into [C-11]phenylalanine, the precursor for lignin. Over this time course of treatment, new carbon partitioning into hemicellulose and cellulose was increased, while new carbon partitioning into phenylalanine was decreased. This trend was accompanied by a decrease in phenylalanine ammonia-lyase activity. After 4 d of exposure to validamycin A, we also measured leaf protein content and key C and N metabolite pools. Extended treatment increased foliar cellulose and starch content, decreased sucrose, and total amino acid and nitrate content, and had no effect on total protein. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Rogers, Alistair] Univ Illinois, Dept Crop Sci, Urbana, IL 61801 USA.
[Schueller, Michael; Ferrieri, Richard A.] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
[Best, Marcel] Johannes Gutenberg Univ Mainz, Fachbereich Chem, D-55099 Mainz, Germany.
[Koenig, Kaitlyn] Quinnipiac Univ, Hamden, CT 06518 USA.
[McDonald, Kelly] Marist Coll, Poughkeepsie, NY 12601 USA.
[Rogers, Alistair] Brookhaven Natl Lab, Dept Environm Sci, Upton, NY 11973 USA.
RP Ferrieri, RA (reprint author), Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
EM rferrieri@bnl.gov
RI Rogers, Alistair/E-1177-2011
OI Rogers, Alistair/0000-0001-9262-7430
FU US Department of Energy's Office of Biological and Environmental Science
[DE-AC02-98CH10886]; US Department of Energy; Deutscher Akademischer
Austauschdienst, Bonn; Graduate Research Environmental Fellowship
FX This research was supported by the US Department of Energy's Office of
Biological and Environmental Science under contract DE-AC02-98CH10886,
the US Department of Energy's Pre-Service Teacher program and the
Graduate Research Environmental Fellowship program and the Deutscher
Akademischer Austauschdienst, Bonn.
NR 38
TC 5
Z9 6
U1 2
U2 12
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0008-6215
J9 CARBOHYD RES
JI Carbohydr. Res.
PD APR 1
PY 2011
VL 346
IS 5
BP 595
EP 601
DI 10.1016/j.carres.2011.01.018
PG 7
WC Biochemistry & Molecular Biology; Chemistry, Applied; Chemistry, Organic
SC Biochemistry & Molecular Biology; Chemistry
GA 744VP
UT WOS:000289123600009
PM 21333278
ER
PT J
AU Huang, YL
Xu, S
Lin, VSY
AF Huang, Yulin
Xu, Shu
Lin, Victor S. -Y.
TI New Strategy for Enantioselective Heterogeneous Catalysis:
Immobilization of both Metal Nanoparticles and Chiral Modifiers on
Mesoporous Silica Nanoparticles
SO CHEMCATCHEM
LA English
DT Article
DE enantioselective; heterogeneous; immobilization; mesoporous silica;
nanoparticle
ID ATR-IR SPECTROSCOPY; ETHYL PYRUVATE; CINCHONIDINE ADSORPTION; ORGANIC
FUNCTIONALIZATION; ASYMMETRIC HYDROGENATION; PLATINUM CLUSTERS;
ALPHA-KETOESTERS; SURFACES; RHODIUM; CONDENSATION
C1 [Huang, Yulin; Xu, Shu; Lin, Victor S. -Y.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
[Huang, Yulin; Xu, Shu; Lin, Victor S. -Y.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA.
RP Huang, YL (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
EM ylhuang@iastate.edu
FU U.S. DOE, office of BES [DE-FG26-0NT08854]
FX This research was supported at Ames Laboratory by the U.S. DOE, office
of BES, under contract No. DE-FG26-0NT08854.
NR 63
TC 13
Z9 13
U1 3
U2 34
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 1867-3880
J9 CHEMCATCHEM
JI ChemCatChem
PD APR
PY 2011
VL 3
IS 4
BP 690
EP 694
DI 10.1002/cctc.201000363
PG 5
WC Chemistry, Physical
SC Chemistry
GA 746PM
UT WOS:000289259200013
ER
PT J
AU Cao, B
Shi, LA
Brown, RN
Xiong, YJ
Fredrickson, JK
Romine, MF
Marshall, MJ
Lipton, MS
Beyenal, H
AF Cao, Bin
Shi, Liang
Brown, Roslyn N.
Xiong, Yijia
Fredrickson, Jim K.
Romine, Margaret F.
Marshall, Matthew J.
Lipton, Mary S.
Beyenal, Haluk
TI Extracellular polymeric substances from Shewanella sp HRCR-1 biofilms:
characterization by infrared spectroscopy and proteomics
SO ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID OUTER-MEMBRANE CYTOCHROMES; C-TYPE CYTOCHROME; IRON-REDUCING BACTERIUM;
LARGE SECRETED PROTEIN; ONEIDENSIS MR-1; ELECTRON-TRANSFER;
GEOBACTER-SULFURREDUCENS; PSEUDOMONAS-AERUGINOSA; ESCHERICHIA-COLI;
SURFACE PROTEIN
AB P>The composition of extracellular polymeric substances (EPS) from Shewanella sp. HRCR-1 biofilms was investigated using infrared spectroscopy and proteomics to provide insight into potential ecophysiological functions and redox activity of the EPS. Both bound and loosely associated EPS were extracted from Shewanella sp. HRCR-1 biofilms prepared using a hollow-fibre membrane biofilm reactor. Fourier transform infrared spectra revealed the presence of proteins, polysaccharides, nucleic acids, membrane lipids and fatty acids in the EPS fractions. Using a global proteomic approach, a total of 58 extracellular and outer membrane proteins were identified in the EPS. These included homologues of multiple Shewanella oneidensis MR-1 proteins that potentially contribute to key physiological biofilm processes, such as biofilm-promoting protein BpfA, surface-associated serine protease, nucleotidases (CpdB and UshA), an extracellular lipase, and oligopeptidases (PtrB and a M13 family oligopeptidase lipoprotein). In addition, 20 redox proteins were found in extracted EPS. Among the detected redox proteins were the homologues of two S. oneidensis MR-1 c-type cytochromes, MtrC and OmcA, which have been implicated in extracellular electron transfer. Given their detection in the EPS of Shewanella sp. HRCR-1 biofilms, c-type cytochromes may contribute to the possible redox activity of the biofilm matrix and play important roles in extracellular electron transfer reactions.
C1 [Cao, Bin; Beyenal, Haluk] Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA.
[Cao, Bin; Beyenal, Haluk] Washington State Univ, CESAR, Pullman, WA 99164 USA.
[Shi, Liang; Brown, Roslyn N.; Xiong, Yijia; Fredrickson, Jim K.; Romine, Margaret F.; Marshall, Matthew J.; Lipton, Mary S.] Pacific NW Natl Lab, Richland, WA 99352 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 Cao, Bin/H-2639-2012;
OI Cao, Bin/0000-0002-9462-496X; Romine, Margaret/0000-0002-0968-7641;
Marshall, Matthew J/0000-0002-2402-8003
FU U.S. DOE Office of Biological and Environmental Research
[DE-FG92-08ER64560]; Pacific Northwest National Laboratory (PNNL); U.S.
Department of Energy Office of Biological and Environmental Research
(DOE/BER); Battelle Memorial Institute [DE-AC05-76RLO1830]
FX We thank Sara Belchik for her generous assistance in protein analyses.
The authors also acknowledge Christina Bilskis for her help with
confocal microscopy. The research was supported by the U.S. DOE Office
of Biological and Environmental Research under the Subsurface
Biogeochemistry Research (SBR) Program (Grant DE-FG92-08ER64560) and the
Pacific Northwest National Laboratory (PNNL) SBR Scientific Focus Area
(SFA). Proteomic analysis was supported by the U.S. Department of Energy
Office of Biological and Environmental Research (DOE/BER) Genomic
Science program at the PNNL. Proteomic analyses were performed in the
Environmental Molecular Sciences Laboratory, a DOE/BER national
scientific user facility at the PNNL campus in Richland, WA. Pacific
Northwest National Laboratory is operated for the DOE by Battelle
Memorial Institute under Contract DE-AC05-76RLO1830.
NR 98
TC 83
Z9 86
U1 9
U2 118
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1462-2912
J9 ENVIRON MICROBIOL
JI Environ. Microbiol.
PD APR
PY 2011
VL 13
IS 4
BP 1018
EP 1031
DI 10.1111/j.1462-2920.2010.02407.x
PG 14
WC Microbiology
SC Microbiology
GA 744TF
UT WOS:000289116700015
PM 21251176
ER
PT J
AU Yelle, DJ
Wei, DS
Ralph, J
Hammel, KE
AF Yelle, Daniel J.
Wei, Dongsheng
Ralph, John
Hammel, Kenneth E.
TI Multidimensional NMR analysis reveals truncated lignin structures in
wood decayed by the brown rot basidiomycete Postia placenta
SO ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID SOLUTION-STATE NMR; PLANT-CELL WALLS; FUNGUS; DEGRADATION; CLEAVAGE;
BIODEGRADATION; MECHANISM; OXIDATION; CELLULOSE; SPRUCE
AB P>Lignocellulose biodegradation, an essential step in terrestrial carbon cycling, generally involves removal of the recalcitrant lignin barrier that otherwise prevents infiltration by microbial polysaccharide hydrolases. However, fungi that cause brown rot of wood, a major route for biomass recycling in coniferous forests, utilize wood polysaccharides efficiently while removing little of the lignin. The mechanism by which these basidiomycetes breach the lignin remains unclear. We used recently developed methods for solubilization and multidimensional 1H-13C solution-state NMR spectroscopy of ball-milled lignocellulose to analyse aspen wood degraded by Postia placenta. The results showed that decay decreased the content of the principal arylglycerol-beta-aryl ether interunit linkage in the lignin by more than half, while increasing the frequency of several truncated lignin structures roughly fourfold over the level found in sound aspen. These new end-groups, consisting of benzaldehydes, benzoic acids and phenylglycerols, accounted for 6-7% of all original lignin subunits. Our results provide evidence that brown rot by P. placenta results in significant ligninolysis, which might enable infiltration of the wood by polysaccharide hydrolases even though the partially degraded lignin remains in situ. Recent work has revealed that the P. placenta genome encodes no ligninolytic peroxidases, but has also shown that this fungus produces an extracellular Fenton system. It is accordingly likely that P. placenta employs electrophilic reactive oxygen species such as hydroxyl radicals to disrupt lignin in wood.
C1 [Yelle, Daniel J.; Wei, Dongsheng; Hammel, Kenneth E.] USDA, Forest Prod Lab, Madison, WI 53726 USA.
[Wei, Dongsheng] Nankai Univ, Dept Microbiol, Tianjin 300071, Peoples R China.
[Ralph, John] Univ Wisconsin, Dept Biochem, Madison, WI 53706 USA.
[Ralph, John] Univ Wisconsin, DOE Great Lakes Bioenergy Res Ctr, Madison, WI 53706 USA.
[Hammel, Kenneth E.] Univ Wisconsin, Dept Bacteriol, Madison, WI 53706 USA.
RP Hammel, KE (reprint author), USDA, Forest Prod Lab, Madison, WI 53726 USA.
EM kehammel@wisc.edu
RI Hammel, Kenneth/G-1890-2011
OI Hammel, Kenneth/0000-0002-2935-5847
FU US Department of Energy Office of Science, Biological Environmental
Research [BER-DE-AI02-07ER64480]; US Department of Energy, Los Alamos
National Laboratory [DE-AI32-08NA28543]; US Department of Energy Office
of Science, Great Lakes Bioenergy Research Center
[BER-DE-FC02-07ER64494]
FX We thank Fred Matt for chemical analyses of wood, Robert Blanchette for
advice on how to grow P. placenta on wood, and Dan Cullen and Alexander
Kapich for valuable discussions. This work was funded in part by the US
Department of Energy Office of Science, Biological Environmental
Research (BER-DE-AI02-07ER64480, K.E.H. and J.R.), by the US Department
of Energy, Los Alamos National Laboratory (DE-AI32-08NA28543, K.E.H.)
and by the US Department of Energy Office of Science, Great Lakes
Bioenergy Research Center (BER-DE-FC02-07ER64494, J.R.).
NR 52
TC 45
Z9 46
U1 5
U2 59
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1462-2912
J9 ENVIRON MICROBIOL
JI Environ. Microbiol.
PD APR
PY 2011
VL 13
IS 4
BP 1091
EP 1100
DI 10.1111/j.1462-2920.2010.02417.x
PG 10
WC Microbiology
SC Microbiology
GA 744TF
UT WOS:000289116700021
PM 21261800
ER
PT J
AU Kuhlmann, S
Spinka, H
Bernstein, JP
Beyer, KA
Gades, LM
Kasprzyk, TE
Miceli, A
Spence, RA
Talaga, R
AF Kuhlmann, Stephen
Spinka, Harold
Bernstein, Joseph P.
Beyer, Kevin A.
Gades, Lisa M.
Kasprzyk, Thomas E.
Miceli, Antonino
Spence, Richard A.
Talaga, Richard
TI Narrow-beam X-ray tests of CCD edge response
SO EXPERIMENTAL ASTRONOMY
LA English
DT Article
DE CCD; X-ray; Dark energy Survey
AB The physical boundaries of a fully-depleted CCD can lead to distorted field lines and non-uniform response. We study this response with a beam of X-rays constrained to a width of less than one pixel (15 mu m), and a system to map the CCD response as a function of transverse position.
C1 [Kuhlmann, Stephen; Spinka, Harold; Bernstein, Joseph P.; Beyer, Kevin A.; Gades, Lisa M.; Kasprzyk, Thomas E.; Miceli, Antonino; Spence, Richard A.; Talaga, Richard] Argonne Natl Lab, Lemont, IL 60439 USA.
RP Kuhlmann, S (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Lemont, IL 60439 USA.
EM kuhlmann@anl.gov
FU Argonne, a 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 5
TC 2
Z9 2
U1 0
U2 2
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0922-6435
J9 EXP ASTRON
JI Exp. Astron.
PD APR
PY 2011
VL 29
IS 3
BP 135
EP 144
DI 10.1007/s10686-010-9204-3
PG 10
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 746ZK
UT WOS:000289289600001
ER
PT J
AU Fix, G
Seames, WS
Mann, MD
Benson, SA
Miller, DJ
AF Fix, G.
Seames, W. S.
Mann, M. D.
Benson, S. A.
Miller, D. J.
TI The effect of oxygen-to-fuel stoichiometry on coal ash
fine-fragmentation mode formation mechanisms
SO FUEL PROCESSING TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT International Conference on Coal Science and Technology
CY OCT 26-29, 2009
CL Cape Town, SOUTH AFRICA
SP NW Univ, Univ Witwatersrand
DE Fine-fragmentation; Ash formation; Pulverized coal combustion; PM2.5
ID PARTICULATE AIR-POLLUTION; PARTICLE-SIZE DISTRIBUTIONS; PULVERIZED-COAL;
FLY-ASH; UTILITY BOILER; COMBUSTION; MATTER
AB Ash particles smaller than 2.5 mu m in diameter generated during pulverized coal combustion are difficult to capture and may pose greater harm to the environment and human health than the discharge of larger particles. Recent research efforts on coal ash formation have revealed a middle fine-fragment mode centered around 2 mu m. Formation of this middle or fine-fragment mode (FFM) is less well understood compared to larger coarse and smaller ultrafine ash. This study is part of an overall effort aimed at determining the key factors that impact the formation of FFM. This work examined the effects of oxygen-to-fuel stoichiometry (OFS).
Pulverized Illinois #6 bituminous coal was combusted and the ash generated was size segregated in a Dekati low pressure inertial impactor. The mass of each fraction was measured and the ash was analyzed using scanning electron microscopy (SEM) and X-ray microanalysis. The FFM ash types were classified based on the SEM images to evaluate the significant fine-fragment ash formation mechanisms and determine any possible link between stoichiometry and formation mechanism.
From the particle size distributions (PSDs), the coarse mode appears unaffected by the change in OFS, however, the OFS 1.05 lowered the fraction of ultrafine ash in relation to the higher OFS settings, and appears to increase the portion of the FFM. An intermediate minimum was found in the FFM at 13 mu m for the 1.20 and 135 OFS tests but was not observed in the 1.05 OFS. SEM analysis also suggests that OFS may contribute to changing formation mechanisms. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Fix, G.; Seames, W. S.; Mann, M. D.; Benson, S. A.] Univ N Dakota, Dept Chem Engn, Grand Forks, ND 58202 USA.
[Miller, D. J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Miller, D. J.] Argonne Natl Lab, Ctr Electron Microscopy, Argonne, IL 60439 USA.
RP Seames, WS (reprint author), Univ N Dakota, Dept Chem Engn, 241 Centennial Dr,Stop 7101, Grand Forks, ND 58202 USA.
EM wayneseames@mail.und.edu
NR 30
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U1 0
U2 12
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-3820
J9 FUEL PROCESS TECHNOL
JI Fuel Process. Technol.
PD APR
PY 2011
VL 92
IS 4
SI SI
BP 793
EP 800
DI 10.1016/j.fuproc.2010.08.012
PG 8
WC Chemistry, Applied; Energy & Fuels; Engineering, Chemical
SC Chemistry; Energy & Fuels; Engineering
GA 745AG
UT WOS:000289135700013
ER
PT J
AU Boroda, R
Amit, R
Matmon, A
Finkel, R
Porat, N
Enzel, Y
Eyal, Y
AF Boroda, R.
Amit, R.
Matmon, A.
Finkel, R.
Porat, N.
Enzel, Y.
Eyal, Y.
CA ASTER Team
TI Quaternary-scale evolution of sequences of talus flatirons in the
hyperarid Negev
SO GEOMORPHOLOGY
LA English
DT Article
DE Talus flatirons; Talus deposits; Cliff retreat; Climatic change;
Hyperarid desert; Slope processes; Negev; Cosmogenic nuclides;
Pleistocene
ID FINE-GRAINED QUARTZ; EXPOSURE AGES; CHINESE LOESS; REG SOILS; DESERT;
RATES; EROSION; BE-10; ESCARPMENT; ISRAEL
AB Talus flatiron sequences are ubiquitous landforms in arid and semiarid regions characterized by horizontal erodible rocks capped by more resistant rocks. Alternating phases of deposition and erosion lead to the formation of generations of talus flatirons in which ancient ones are located farther from the source cliff. The existing conceptual model of this systematic spatial distribution of talus flatirons is related to glacial-interglacial climatic cycles and to relatively high rates of cliff retreat. Three groups of talus flatirons were analyzed in the northeastern hyperarid Negev desert. The analyses include mapping, age determination using optically stimulated luminescence and cosmogenic nuclide exposure dating, electrical resistivity tomography and sedimentological and soil analyses. All talus flatirons contain gypsic-salic soil catena typical to hyperarid climate (< 80 mm yr(-1)). No pedogenic indicators of past wetter environments such as buried calcic soil horizons, evidence of intense biogenic activity, or buried organic material were observed. (10)Be exposure ages of the talus flatirons suggest that they were deposited during the middle Pleistocene; similar to 610 ka and similar to 170 ka for the oldest and intermediate-aged talus flatiron groups, respectively. These ages, combined with the present location of the talus flatirons relative to the source cliff yield retreat rates of 6-12 and similar to 200 m Ma(-1) for the bedrock cliff and talus flatiron apex, respectively, and in opposite directions. Our results show that (a) climatic changes at glacial-interglacial time scales are not the main controls over the formation of talus flatiron generation, and (b) that significant cliff retreat is not the main cause for the systematic spatial distribution of talus flatiron generations relative to the cliff. Our results indicate that the process of talus flatiron formation in the Negev desert must be associated with the balance between production, deposition, and removal of clasts under hyperarid conditions with only a minor cliff retreat. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Boroda, R.; Eyal, Y.] Ben Gurion Univ Negev, Dept Geol & Environm Sci, IL-84105 Beer Sheva, Israel.
[Boroda, R.; Amit, R.; Porat, N.] Geol Survey Israel, IL-95501 Jerusalem, Israel.
[Matmon, A.; Enzel, Y.] Hebrew Univ Jerusalem, Fredy & Nadine Herrmann Inst Earth Sci, IL-91904 Jerusalem, Israel.
[ASTER Team] Aix Marseille Univ, CNRS, UMR 6635, CEREGE, F-13545 Aix En Provence 4, France.
[Finkel, R.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Boroda, R (reprint author), Ben Gurion Univ Negev, Dept Geol & Environm Sci, IL-84105 Beer Sheva, Israel.
EM Boroda@bgu.ac.il
FU Israel Science Foundation [146/08]; United States-Israel Binational
Science Foundation [2006-221]; U.S. Army Research Office
[DAAD19-03-1-0159]
FX This research was supported by the Israel Science Foundation grant
146/08, the United States-Israel Binational Science Foundation grant
2006-221 and the U.S. Army Research Office grant (DAAD19-03-1-0159). We
thank Y. Rephael, P. Liran, H, Etinger, Dr. E. Farber, for field
assistance, Y. Nahmias, for lab assistance, N. Teutsch for performing
the ICP-OES analysis, A. Boroda and B. cohen for figure editing, Dr. I.
Haviv, Dr. E. Morin and Y. Amiel for fruitful discussions. Dr. V. Frid
and A. Averbakh (Isotop Ltd) for geophysical investigation. We thank N.
Lancaster, an anonymous reviewer and the editor T. Oguchi for their
thoughtful comments that significantly improved this paper.
NR 63
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U1 0
U2 9
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0169-555X
J9 GEOMORPHOLOGY
JI Geomorphology
PD APR 1
PY 2011
VL 127
IS 1-2
BP 41
EP 52
DI 10.1016/j.geomorph.2010.12.003
PG 12
WC Geography, Physical; Geosciences, Multidisciplinary
SC Physical Geography; Geology
GA 743WD
UT WOS:000289048600004
ER
PT J
AU Heath, JE
Dewers, TA
McPherson, BJOL
Petrusak, R
Chidsey, TC
Rinehart, AJ
Mozley, PS
AF Heath, Jason E.
Dewers, Thomas A.
McPherson, Brian J. O. L.
Petrusak, Robin
Chidsey, Thomas C., Jr.
Rinehart, Alex J.
Mozley, Peter S.
TI Pore networks in continental and marine mudstones: Characteristics and
controls on sealing behavior
SO GEOSPHERE
LA English
DT Article
ID RAY COMPUTED-TOMOGRAPHY; MERCURY POROSIMETRY; FLOCCULE RIPPLES; SPECTRAL
IMAGES; 3D GEOMETRY; SHALE; SIZE; DEPOSITION; CAPACITY; ROCKS
AB Mudstone pore networks are strong modifiers of sedimentary basin fluid dynamics and have a critical role in the distribution of hydrocarbons and containment of injected fluids. Using core samples from continental and marine mudstones, we investigate properties of pore types and networks from a variety of geologic environments, together with estimates of capillary breakthrough pressures by mercury intrusion porosimetry. Analysis and interpretation of quantitative and qualitative three-dimensional (3D) observations, obtained by dual focused ion beam-scanning electron microscopy, suggest seven dominant mudstone pore types distinguished by geometry and connectivity. A dominant planar pore type occurs in all investigated mudstones and generally has high coordination numbers (i.e., number of neighboring connected pores). Connected networks of pores of this type contribute to high mercury capillary pressures due to small pore throats at the junctions of connected pores and likely control most matrix transport in these mudstones. Other pore types are related to authigenic (e. g., replacement or pore-lining precipitation) clay minerals and pyrite nodules; pores in clay packets adjacent to larger, more competent clastic grains; pores in organic phases; and stylolitic and micro-fracture-related pores. Pores within regions of authigenic clay minerals often form small isolated networks (< 3 mu m). Pores in stringers of organic phases occur as tubular pores or slit- and/or sheet-like pores. These form short, connected lengths in 3D reconstructions, but appear to form networks no larger than a few microns in size. Sealing efficiency of the studied mudstones increases with greater distal depositional environments and greater maximum depth of burial.
C1 [Heath, Jason E.] Sandia Natl Labs, Dept Geophys & Atmospher Sci, Albuquerque, NM 87815 USA.
[Heath, Jason E.; Rinehart, Alex J.; Mozley, Peter S.] New Mexico Inst Min & Technol, Dept Earth & Environm Sci, Socorro, NM 87801 USA.
[Dewers, Thomas A.] Sandia Natl Labs, Dept Geomech, Albuquerque, NM 87185 USA.
[McPherson, Brian J. O. L.] Univ Utah, Dept Civil & Environm Engn, Salt Lake City, UT 84112 USA.
[Petrusak, Robin] Adv Resources Int Inc, Arlington, VA 22203 USA.
[Chidsey, Thomas C., Jr.] Utah Geol & Min Survey, Salt Lake City, UT 84114 USA.
RP Heath, JE (reprint author), Sandia Natl Labs, Dept Geophys & Atmospher Sci, POB 5800,MS 0750, Albuquerque, NM 87815 USA.
EM jeheath@sandia.gov
FU U.S. Department of Energy (DOE) Office of Basic Energy Sciences,
Division of Chemical Sciences, Geosciences, and Biosciences; mercury
intrusion porosimetry (MIP)
FX Focused ion beam-scanning electron microscopy (FIB-SEM) imaging and
subsequent three-dimensional image analysis was funded by the U.S.
Department of Energy (DOE) Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences. Rock samples were
provided by the Southwest (SWP) and Southeast Regional Carbon
Sequestration Partnerships, which are managed by the DOE National Energy
Technology Laboratory. The SWP funded mercury intrusion porosimetry
(MIP) analyses. We also thank the Southeast Regional Carbon Partnership
and Richard Esposito of the Southern Company for making the Tuscaloosa
cores from the Mississippi Power Company #1 available for viewing and
core description, as well as for providing rock samples and access to
core data.
NR 64
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U1 4
U2 42
PU GEOLOGICAL SOC AMER, INC
PI BOULDER
PA PO BOX 9140, BOULDER, CO 80301-9140 USA
SN 1553-040X
J9 GEOSPHERE
JI Geosphere
PD APR
PY 2011
VL 7
IS 2
BP 429
EP 454
DI 10.1130/GES00619.1
PG 26
WC Geosciences, Multidisciplinary
SC Geology
GA 743CH
UT WOS:000288993400009
ER
PT J
AU Zhai, YH
AF Zhai, Yuhu
TI Eddy-Current Analysis of Cold Mass and Thermal Shield for
Series-Connected Hybrid Magnet
SO IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
LA English
DT Article
DE Eddy-current analysis; magnet design; superconducting magnet
AB The National High Magnetic Field Laboratory currently has three series-connected hybrid (SCH) magnet projects, where resistive coils are connected in series with superconducting coils using cable-in-conduit-conductor (CICC) underway: first for the magnet laboratory in Tallahassee, FL; second for the Helmholtz Zentrum Berlin for Materials and Energy (HZB), Germany; and the third for the Spallation Neutron Source at the Oak Ridge National Laboratory, TN. The one for HZB has a horizontal conical bore with a 30 degrees opening angle for neutron scattering experiments. During power supply trip, superconducting magnet quench, resistive insert short, and insert fault, transient electromagnetic effects as a result of fast decay of the coil current introduce a significant amount of eddy current and Lorentz force on the conductive components of the cryostat such as the metallic cold-mass magnet frame and the 50-K thermal radiation shield. Although the eddy-current heating is not a concern during quench and fault operations, the eddy-current-induced Lorentz forces need to be taken into account in the structural design of the SCH cryostat. In this paper, a detailed eddy-current analysis for the HZB magnet during abnormal operations has been performed for its cryostat based on the dry magnet design concept. The nonuniform eddy-current distribution from the finite-element analysis implies that local hot spots may develop under abnormal operations. The eddy-current-induced Lorentz forces are quantified to ensure the strength and stability of the cryostat structure and, most importantly, safety of the SCH magnet during abnormal conditions.
C1 [Zhai, Yuhu] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
RP Zhai, YH (reprint author), Princeton Plasma Phys Lab, Princeton, NJ 08542 USA.
EM zhai@magnet.fsu.edu
FU U.S. National Science Foundation; State of Florida
FX This work was supported in part by the U.S. National Science Foundation
and in part by the State of Florida.
NR 7
TC 3
Z9 3
U1 0
U2 7
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1051-8223
J9 IEEE T APPL SUPERCON
JI IEEE Trans. Appl. Supercond.
PD APR
PY 2011
VL 21
IS 2
BP 42
EP 47
DI 10.1109/TASC.2010.2098405
PG 6
WC Engineering, Electrical & Electronic; Physics, Applied
SC Engineering; Physics
GA 745HV
UT WOS:000289157400001
ER
PT J
AU Huang, QA
Wang, L
Dasgupta, T
Zhu, L
Sekhar, PK
Bhansali, S
An, Y
AF Huang, Qiang
Wang, Li
Dasgupta, Tirthankar
Zhu, Li
Sekhar, Praveen K.
Bhansali, Shekhar
An, Yu
TI Statistical Weight Kinetics Modeling and Estimation for Silica Nanowire
Growth Catalyzed by Pd Thin Film
SO IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING
LA English
DT Article
DE Model selection; nanomanufacturing; nanostructure growth; process
modeling
ID PHOTOLUMINESCENCE; TRANSITION
AB This work intends to understand and model the kinetic aspect or the change of substrate weight over time in the selective growth of silica nanowires (NWs) catalyzed through Pd thin film. Various adsorption-induced, diffusion-induced, or unified vapor-liquid-solid (VLS) growth models have been developed to describe the NW length varying with time. Since NW length has been difficult to be measured, substrate weight change is therefore used as an alternative in this study to investigate growth kinetics of NWs. We investigate six different weight kinetics models in predicting weight changes during growth. Model estimation and comparison are conducted using both maximum-likelihood estimation (MLE) and Bayesian approaches. Owing to the embedded kinetics information in the nonlinear growth models, the Bayesian hierarchical model is shown to be more desirable when process data is limited.
Note to Practitioners-Nanowires (NWs) have great potentials in electronic and photonic applications due to their unique properties. The repeatability of nanowire growth, however, is low and presents a major challenge for its mass production. Predictive modeling and control method is essential to the process yield and productivity improvement. The major difficulty of establishing such models is limited data and physical understanding of growth process. This paper provides a modeling approach to describe the overall NWs growth by modeling the weight changes over time in the growth of NWs.
C1 [Huang, Qiang; Wang, Li] Univ So Calif, Daniel J Epstein Dept Ind & Syst Engn, Los Angeles, CA 90089 USA.
[Dasgupta, Tirthankar; Zhu, Li] Harvard Univ, Dept Stat, Cambridge, MA 02138 USA.
[Sekhar, Praveen K.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Bhansali, Shekhar] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA.
[An, Yu] Univ S Florida, Dept Ind Management & Syst Engn, Tampa, FL 33620 USA.
RP Huang, QA (reprint author), Univ So Calif, Daniel J Epstein Dept Ind & Syst Engn, Los Angeles, CA 90089 USA.
EM qiang.huang@usc.edu
RI Huang, Qiang/K-4703-2014
OI Huang, Qiang/0000-0001-7826-4792
FU National Science Foundation [CMMI-0700659, CMMI-1002580]
FX The work was supported in part by the National Science Foundation under
Grant CMMI-0700659 and Grant CMMI-1002580.
NR 20
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U1 1
U2 13
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1545-5955
J9 IEEE T AUTOM SCI ENG
JI IEEE Trans. Autom. Sci. Eng.
PD APR
PY 2011
VL 8
IS 2
BP 303
EP 310
DI 10.1109/TASE.2010.2070493
PG 8
WC Automation & Control Systems
SC Automation & Control Systems
GA 745XM
UT WOS:000289204900005
ER
PT J
AU Veress, AI
Segars, WP
Tsui, BMW
Gullberg, GT
AF Veress, Alexander I.
Segars, W. Paul
Tsui, Benjamin M. W.
Gullberg, Grant T.
TI Incorporation of a Left Ventricle Finite Element Model Defining
Infarction Into the XCAT Imaging Phantom
SO IEEE TRANSACTIONS ON MEDICAL IMAGING
LA English
DT Article
DE Cardiac imaging research; extended cardiac-torso (XCAT); finite element;
ischemia; left ventricle; mechanical model; myocardial infarction;
NURBS-based cardiac-torso (NCAT); single photon emission computed
tomography (SPECT) phantom
ID EXPERIMENTAL MYOCARDIAL-INFARCTION; CANINE LEFT-VENTRICLE; BUNDLE-BRANCH
BLOCK; SEGMENTAL MECHANICAL-BEHAVIOR; ACUTELY ISCHEMIC-MYOCARDIUM;
CARDIAC LEFT-VENTRICLE; MAGNETIC-RESONANCE; BORDER ZONE; FIBER
ARCHITECTURE; ACTIVE CONTRACTION
AB The 4D extended cardiac-torso (XCAT) phantom was developed to provide a realistic and flexible model of the human anatomy and cardiac and respiratory motions for use in medical imaging research. A prior limitation to the phantom was that it did not accurately simulate altered functions of the heart that result from cardiac pathologies such as coronary artery disease (CAD). We overcame this limitation in a previous study by combining the phantom with a finite-element (FE) mechanical model of the left ventricle (LV) capable of more realistically simulating regional defects caused by ischemia. In the present work, we extend this model giving it the ability to accurately simulate motion abnormalities caused by myocardial infarction (MI), a far more complex situation in terms of altered mechanics compared with the modeling of acute ischemia. The FE model geometry is based on high resolution CT images of a normal male subject. An anterior region was defined as infarcted and the material properties and fiber distribution were altered, according to the bio-physiological properties of two types of infarction, i.e., fibrous and remodeled infarction (30% thinner wall than fibrous case). Compared with the original, surface-based 4D beating heart model of the XCAT, where regional abnormalities are modeled by simply scaling down the motion in those regions, the FE model was found to provide a more accurate representation of the abnormal motion of the LV due to the effects of fibrous infarction as well as depicting the motion of remodeled infarction. In particular, the FE models allow for the accurate depiction of dyskinetic motion. The average circumferential strain results were found to be consistent with measured dyskinetic experimental results. Combined with the 4D XCAT phantom, the FE model can be used to produce realistic multimodality sets of imaging data from a variety of patients in which the normal or abnormal cardiac function is accurately represented.
C1 [Veress, Alexander I.] Univ Washington, Dept Mech Engn, Seattle, WA 98195 USA.
[Segars, W. Paul] Duke Univ, Dept Radiol, Durham, NC 27705 USA.
[Tsui, Benjamin M. W.] Johns Hopkins Univ, Dept Radiol, Baltimore, MD 21218 USA.
[Gullberg, Grant T.] EO Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Veress, AI (reprint author), Univ Washington, Dept Mech Engn, Seattle, WA 98195 USA.
EM averess@u.washington.edu; paul.segars@duke.edu; btsui@jhmi.edu;
gtgullberg@lbl.gov
OI Veress, Alexander/0000-0002-9334-9257
FU National Institutes of Health [R01 EB00121, R01 EB07219, R01 EB00168,
R01 HL091036]; Office of Science, Office of Biological and Environmental
Research, Medical Sciences Division of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX Manuscript received July 28, 2010; revised October 06, 2010; accepted
October 13, 2010. Date of publication October 28, 2010; date of current
version April 01, 2011. This work was supported in part by the National
Institutes of Health under Grant R01 EB00121, Grant R01 EB07219, Grant
R01 EB00168, Grant R01 HL091036 and in part by the Director, Office of
Science, Office of Biological and Environmental Research, Medical
Sciences Division of the U.S. Department of Energy under Contract
DE-AC02-05CH11231. Asterisk indicates corresponding author.
NR 86
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U1 0
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0278-0062
EI 1558-254X
J9 IEEE T MED IMAGING
JI IEEE Trans. Med. Imaging
PD APR
PY 2011
VL 30
IS 4
BP 915
EP 927
DI 10.1109/TMI.2010.2089801
PG 13
WC Computer Science, Interdisciplinary Applications; Engineering,
Biomedical; Engineering, Electrical & Electronic; Imaging Science &
Photographic Technology; Radiology, Nuclear Medicine & Medical Imaging
SC Computer Science; Engineering; Imaging Science & Photographic
Technology; Radiology, Nuclear Medicine & Medical Imaging
GA 745XD
UT WOS:000289204000003
PM 21041157
ER
PT J
AU Nair, H
Gatt, JE
Miller, JT
Baertsch, CD
AF Nair, Hari
Gatt, Joseph E.
Miller, Jeffrey T.
Baertsch, Chelsey D.
TI Mechanistic insights into the formation of acetaldehyde and diethyl
ether from ethanol over supported VOx, MoOx, and WOx catalysts
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Vanadium oxide; Molybdenum oxide; Tungsten oxide; Anaerobic titration;
Support effects; Ethanol oxidative dehydrogenation; Ethanol
condensation; Ethanol dehydration; Reaction mechanism
ID METAL-OXIDE CATALYSTS; TEMPERATURE-PROGRAMMED DESORPTION; SITU INFRARED
TECHNIQUES; METHANOL OXIDATION; VANADIUM-OXIDE; MOLYBDENUM OXIDE;
ACTIVE-SITES; SELECTIVE OXIDATION; RAMAN-SPECTROSCOPY; CH3OH OXIDATION
AB Catalytic pathways are described for reactions of ethanol to acetaldehyde by oxidative dehydrogenation and of ethanol to diethyl ether by condensation over VOx-Al2O3, MoOx-Al2O3, and WOx-Al2O3. Isotopic labeling shows that acetaldehyde formation occurs via rate-determining C-H bond cleavage of the CH2 group in an adsorbed alkoxide followed by removal of surface oxygen in a Mars and van Krevelen redox mechanism (as confirmed by in situ X-ray absorption, diffuse reflectance infra-red Fourier transform spectroscopy and UV-visible spectroscopy); diethyl ether formation occurs in parallel via coupling and condensation of two adjacent ethoxy species. Using a combination of in situ spectroscopic and kinetic analysis, catalyst properties influencing the formation of acetaldehyde and ether from the common adsorbed ethoxy intermediate are elucidated. X-ray absorption analysis during anaerobic ethanol titration is used to preclude the involvement of terminal M=O bonds during the reaction. A study of the activity of catalysts with the same MoOx domain size on Al2O3, TiO2, and CeO2 supports and binary oxides of MoOx and WOx on Al2O3 are used to prove that the active redox oxygen for acetaldehyde formation is the oxygen atom linking the active metal oxide domain to the support oxide. Ether formation ability of the metal oxide is related to the electronegativity of the active metal atom. (C) 2011 Published by Elsevier Inc.
C1 [Nair, Hari; Gatt, Joseph E.; Baertsch, Chelsey D.] Purdue Univ, Sch Chem Engn, W Lafayette, IN 47907 USA.
[Miller, Jeffrey T.] Argonne Natl Lab, CSE, Argonne, IL 60439 USA.
RP Baertsch, CD (reprint author), Purdue Univ, Sch Chem Engn, 480 Stadium Mall Dr, W Lafayette, IN 47907 USA.
EM baertsch@purdue.edu
RI ID, MRCAT/G-7586-2011
FU NSF (CBET) [0644707]; Purdue University; American Chemical Society;
Argonne National Labs GUP [8603]; U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; Department
of Energy; MRCAT member institutions
FX Partial support for this work was provided by NSF (CBET Career Award
#0644707) and Purdue University. H. Nair was supported by the Bilsland
Dissertation Fellowship at Purdue University. Acknowledgment is made to
the Donors of the American Chemical Society Petroleum Research Fund for
partial support of this research. Synchrotron beamtime was supported by
Argonne National Labs GUP #8603. The use of the Advanced Photon Source
(APS) was supported by the U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
Materials Research Collaborative Access Team (MRCAT, Sector 10 ID)
operations are supported by the Department of Energy and the MRCAT
member institutions.
NR 57
TC 16
Z9 16
U1 6
U2 75
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
J9 J CATAL
JI J. Catal.
PD APR 1
PY 2011
VL 279
IS 1
BP 144
EP 154
DI 10.1016/j.jcat.2011.01.011
PG 11
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA 744ZW
UT WOS:000289134700013
ER
PT J
AU Henderson, MA
Deskins, NA
Zehr, RT
Dupuis, M
AF Henderson, M. A.
Deskins, N. A.
Zehr, R. T.
Dupuis, M.
TI Generation of organic radicals during photocatalytic reactions on TiO2
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Photocatalysis; TiO2; Surface; Radicals; Photodesorption; DFT; Theory
ID EXPERIMENTAL MICROKINETIC APPROACH; SURFACE ELEMENTARY STEPS; REDUCED
TIO2(110); ISOPROPYL-ALCOHOL; O-2 DISSOCIATION; OXYGEN ADATOMS;
OXIDATION; 2-PROPANOL; ACETONE; DEHYDROGENATION
AB Using a variety of organic carbonyl molecules (R1C(O)R-2) and the rutile TiO2(1 1 0) surface as a model photocatalyst, we demonstrate both experimentally and theoretically that ejection of organic radicals from TiO2 surfaces is likely a prevalent reaction process occurring during heterogeneous photooxidation of organic molecules. Organic carbonyls react with coadsorbed oxygen species to form organic diolates which are more strongly bound to TiO2 than are the parent carbonyls. The parent carbonyls, when bound to TiO2(1 1 0) in an eta(1) configuration, are photo-inactive toward valence band holes. However, the diolates are shown to photodecompose by ejection of one of the two R substituents from the surface into the gas phase, leaving behind the carboxylate of the other R group. Theoretical calculations using DFT show that in most cases the choice of which R group is ejected can be predicted based on the C-R bond energies and, to a lesser extent, the stability of the ejected R group. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Henderson, M. A.; Deskins, N. A.; Zehr, R. T.; Dupuis, M.] Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99352 USA.
RP Henderson, MA (reprint author), Pacific NW Natl Lab, Inst Interfacial Catalysis, POB 999,MS K8-87, Richland, WA 99352 USA.
EM ma.henderson@pnl.gov
RI Deskins, Nathaniel/H-3954-2012
FU US Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences; Battelle Memorial
Institute [DEAC06-76RLO1830]; Office of Biological and Environmental
Research
FX The authors thank Dave Dixon for his insights. Work reported here was
supported by the US Department of Energy, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences, and Biosciences.
Pacific Northwest National Laboratory is a multiprogram national
laboratory operated for the US Department of Energy by the Battelle
Memorial Institute under contract DEAC06-76RLO1830. The experimental
studies reported here were performed in the William R. Wiley
Environmental Molecular Science Laboratory (EMSL), a Department of
Energy user facility funded by the Office of Biological and
Environmental Research. Computational resources were provided by the
Molecular Science Computing Facility located in EMSL and the National
Energy Research Scientific Computing Center in Berkeley, CA.
NR 39
TC 25
Z9 25
U1 7
U2 57
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
J9 J CATAL
JI J. Catal.
PD APR 1
PY 2011
VL 279
IS 1
BP 205
EP 212
DI 10.1016/j.jcat.2011.01.021
PG 8
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA 744ZW
UT WOS:000289134700019
ER
PT J
AU Feng, JA
Reimer, JA
AF Feng, Jian
Reimer, Jeffrey A.
TI Suppression of probe background signals via B-1 field inhomogeneity
SO JOURNAL OF MAGNETIC RESONANCE
LA English
DT Article
DE Probe background; B-1 inhomogeneity; Dephase; Nutation frame; DEPTH
ID ECHO DOUBLE-RESONANCE; SOLID-STATE NMR; SPECTROSCOPY
AB A new approach combining a long pulse with the DEPTH sequence (Cory and Ritchey. Journal of Magnetic Resonance, 1988) greatly improves the efficiency for suppressing probe background signals arising from spinning modules. By applying a long initial excitation pulse in the DEPTH sequence, instead of a pi/2 pulse, the inhomogeneous B-1 fields outside the coil can dephase the background coherence in the nutation frame. The initial long pulse and the following two consecutive EXORCYCLE pi pulses function complementarily and prove most effective in removing background signals from both strong and weak B-1 fields. Experimentally, the length of the long pulse can be optimized around odd multiples of the pi/2 pulse, depending on the individual probe design, to preserve signals inside the coil while minimizing those from probe hardware. This method extends the applicability of the DEPTH sequence to probes with small differences in B-1 field strength between the inside and outside of the coil, and can readily combine with well-developed double resonance experiments for quantitative measurement. In general, spin systems with weak internal interactions are required to attain efficient and uniform excitation for powder samples, and the principles to determine the applicability are discussed qualitatively in terms of the relative strength of spin interactions, r.f power and spinning rate. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Feng, Jian] Univ Calif Berkeley, Dept Chem & Biomol Engn, Reimer Lab, Berkeley, CA 94720 USA.
[Feng, Jian; Reimer, Jeffrey A.] Ernest Orlando Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Feng, JA (reprint author), Univ Calif Berkeley, Dept Chem & Biomol Engn, Reimer Lab, Tan Hall,Rm D93, Berkeley, CA 94720 USA.
EM jifeng@berkeley.edu
FU Office of Science, Office of Basic Energy Sciences, Materials Sciences
and Engineering Division, of the US Department of Energy
[DE-AC02-05CH11231]
FX This work was supported by the Director, Office of Science, Office of
Basic Energy Sciences, Materials Sciences and Engineering Division, of
the US Department of Energy under Contract No. DE-AC02-05CH11231.
NR 14
TC 5
Z9 5
U1 3
U2 17
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1090-7807
J9 J MAGN RESON
JI J. Magn. Reson.
PD APR
PY 2011
VL 209
IS 2
BP 300
EP 305
DI 10.1016/j.jmr.2011.01.023
PG 6
WC Biochemical Research Methods; Physics, Atomic, Molecular & Chemical;
Spectroscopy
SC Biochemistry & Molecular Biology; Physics; Spectroscopy
GA 746TP
UT WOS:000289270900025
PM 21349751
ER
PT J
AU Carney, LT
AF Carney, Laura T.
TI A MULTISPECIES LABORATORY ASSESSMENT OF RAPID SPOROPHYTE RECRUITMENT
FROM DELAYED KELP GAMETOPHYTES
SO JOURNAL OF PHYCOLOGY
LA English
DT Article
DE delayed development; delayed reproduction; gametophyte longevity; kelp
gametophytes; Laminaria farlowii; Macrocystis pyrifera; nutrients;
Pelagophycus porra; Pterygophora californica; rapid sporophyte
recruitment
ID MACROCYSTIS-PYRIFERA PHAEOPHYCEAE; GIANT-KELP; LAMINARIA-SACCHARINA;
NATURAL COMMUNITIES; POPULATION BIOLOGY; MICROSCOPIC STAGES;
BAJA-CALIFORNIA; SOUTHERN LIMIT; LARGE-SCALE; EL-NINO
AB Recent work suggests that the ability to delay reproduction as resistant haploid gametophytes may be important for seaweeds that experience unpredictable disturbances or seasonal periods of poor conditions that result in adult sporophyte absence. Further, delayed gametophytes of some kelp species (order Laminariales) may produce sporophytes more rapidly than if they had never experienced a delay, conferring a competitive advantage when conditions improve or after disturbance events. Here, it was determined that the gametophytes of the canopy-forming kelp Macrocystis pyrifera (L.) C. Agardh could delay reproduction in a one- to two-cell state (< 50 mu m) for at least 7 months when grown under nutrient-limiting conditions. These stages retained reproductive viability and produced sporophytes within 5 d once nutrients were increased. This finding suggests that gametophytes could potentially promote recovery of M. pyrifera populations after extended periods of sporophyte absence. In addition, the time required for sporophyte production between gametophytes of the four most conspicuous kelp species in Southern California that had delayed reproduction and gametophytes that had not was compared. For these four kelp species, a delay of at least 30 d conferred a 40%-76% reduction in the time required for sporophyte production once nutrients were received. Fecundity did not decrease with delay duration, suggesting there is no apparent cost of delayed development for kelps as has been observed in other organisms. Thus, delayed development may be a viable strategy for surviving and initially dominating in environments with variable quality.
C1 [Carney, Laura T.] San Diego State Univ, Dept Biol, San Diego, CA 92182 USA.
RP Carney, LT (reprint author), Sandia Natl Labs, POB 969,MS 9671, Livermore, CA 94551 USA.
EM ltcarne@sandia.gov
FU Achievement Rewards for College Scientists (ARCS); SEASPACE
FX Nutrient quantification was performed by L. Thurn. Statistical help was
given by Y. Lu, R. Levine, and J. Byrnes. The manuscript was improved
based on comments by M. Edwards, S. Williams, J. Stachowicz, and A.
Bohonak. Laboratory space and equipment were provided by M. Edwards.
During this work, L. T. C. was supported by grants from the Achievement
Rewards for College Scientists (ARCS) and SEASPACE.
NR 51
TC 8
Z9 8
U1 6
U2 22
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0022-3646
J9 J PHYCOL
JI J. Phycol.
PD APR
PY 2011
VL 47
IS 2
BP 244
EP 251
DI 10.1111/j.1529-8817.2011.00957.x
PG 8
WC Plant Sciences; Marine & Freshwater Biology
SC Plant Sciences; Marine & Freshwater Biology
GA 745JW
UT WOS:000289162700003
PM 27021856
ER
PT J
AU Donni, A
Kitazawa, H
Strassle, T
Keller, L
Matsuda, M
Kakurai, K
Ano, G
Akatsu, M
Nemoto, Y
Goto, T
AF Doenni, Andreas
Kitazawa, Hideaki
Straessle, Thierry
Keller, Lukas
Matsuda, Masaaki
Kakurai, Kazuhisa
Ano, Genki
Akatsu, Mitsuhiro
Nemoto, Yuichi
Goto, Terutaka
TI Crystal Field Level Diagrams at the Pr Sites (8c) and (4a) in the
Clathrate Compound Pr3Pd20Si6
SO JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
LA English
DT Article
DE Pr3Pd20Si6; crystal field; neutron scattering; high-field magnetization;
specific heat
ID NEUTRON-SCATTERING; CE3PD20SI6; DIFFRACTION; RE=LA; CE
AB Inelastic neutron scattering has been employed to determine the complete crystal field (CF) level diagrams at the Pr sites (8c) and (4a) in the clathrate compound Pr3Pd20Si6 with cubic Cr23C6-type crystal structure. The splitting of the H-3(4) multiplet of Pr3+ was found to be Gamma(3) -> Gamma(5) (1.44 meV) -> Gamma(4) (4.46 meV) -> Gamma(1) (10.7 meV) at the (8c) site and Gamma(5) -> Gamma(3) (0.70 meV) -> Gamma(4) (10.8 meV) -> Gamma(1) (24.8 meV) at the (4a) site. We present additional measurements of the specific heat down to 2K and single-crystal high-field magnetization up to 28 T, and show that a calculation with no adjustable parameter based on our CF parameters can quantitatively reproduce the magnetic part of the specific heat and the magnetization curves along three cubic high-symmetry directions. We extrapolate the CF parameters obtained for Pr3Pd20Si6 to those of the isostructural compounds Ce3Pd20Si6, Nd3Pd20Si6 and Er3Pd20Si6, and compare the results with inelastic neutron scattering experiments reported in literature. For the (8c) site, the experimentally determined CF level diagrams are consistent and in good agreement with the extrapolation. In contrast, for the (4a) site, the few available experimental results are inconsistent and in poor agreement with the extrapolation. The extrapolation says that in Ce3Pd20Si6 the CF ground-state at both Ce sites (8c) and (4a) is the Gamma(8) quartet.
C1 [Doenni, Andreas; Kitazawa, Hideaki] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan.
[Straessle, Thierry; Keller, Lukas] Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland.
[Kakurai, Kazuhisa] Japan Atom Energy Agcy, Quantum Beam Sci Directorate, Tokai, Ibaraki 3191195, Japan.
[Matsuda, Masaaki] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
[Ano, Genki; Akatsu, Mitsuhiro; Nemoto, Yuichi; Goto, Terutaka] Niigata Univ, Grad Sch Sci & Technol, Niigata 9502181, Japan.
RP Donni, A (reprint author), Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan.
EM KITAZAWA.Hideaki@nims.go.jp
RI Matsuda, Masaaki/A-6902-2016; DOENNI, Andreas/O-4545-2014
OI Matsuda, Masaaki/0000-0003-2209-9526; DOENNI,
Andreas/0000-0002-7300-9175
FU Ministry of Education, Culture, Sports, Science and Technology, Japan
(MEXT) [18002008, 451]
FX We thank Thilo Herrmannsdorfer for helpful discussions. This work is
based on inelastic neutron scattering experiments performed at the Swiss
spallation neutron source SINQ, Paul Scherrer Institute, Villigen,
Switzerland, and at the JRR3M reactor, Tokai, Ibaraki, Japan. The
neutron scattering experiments in Japan were carried out in the
framework of JAEA Users' Program and within the NIMS-RIKEN-JAEA
Cooperative Research Program on "Quantum Beam Science and Technology''.
This work was partly supported by a Grant-in-Aid for Specially Promoted
Research on "Strongly correlated quantum phases associated with charge
fluctuations'' (No. 18002008), and by a Grant-in-Aid for Scientific
Research on Priority Areas "High Field Spin Science in 100 T'' (No. 451)
from the Ministry of Education, Culture, Sports, Science and Technology,
Japan (MEXT).
NR 28
TC 2
Z9 2
U1 1
U2 11
PU PHYSICAL SOC JAPAN
PI TOKYO
PA YUSHIMA URBAN BUILDING 5F, 2-31-22 YUSHIMA, BUNKYO-KU, TOKYO, 113-0034,
JAPAN
SN 0031-9015
J9 J PHYS SOC JPN
JI J. Phys. Soc. Jpn.
PD APR
PY 2011
VL 80
IS 4
AR 044715
DI 10.1143/JPSJ.80.044715
PG 8
WC Physics, Multidisciplinary
SC Physics
GA 747UW
UT WOS:000289346600042
ER
PT J
AU Davidson, GS
Joe, RM
Roy, S
Meirelles, O
Allen, CP
Wilson, MR
Tapia, PH
Manzanilla, EE
Dodson, AE
Chakraborty, S
Carter, M
Young, S
Edwards, B
Sklar, L
Werner-Washburne, M
AF Davidson, George S.
Joe, Ray M.
Roy, Sushmita
Meirelles, Osorio
Allen, Chris P.
Wilson, Melissa R.
Tapia, Phillip H.
Manzanilla, Elaine E.
Dodson, Anne E.
Chakraborty, Swagata
Carter, Mark
Young, Susan
Edwards, Bruce
Sklar, Larry
Werner-Washburne, Margaret
TI The proteomics of quiescent and nonquiescent cell differentiation in
yeast stationary-phase cultures
SO MOLECULAR BIOLOGY OF THE CELL
LA English
DT Article
ID SACCHAROMYCES-CEREVISIAE; GENE-EXPRESSION; STRUCTURAL GENE;
PROTEIN-SYNTHESIS; CITRATE SYNTHASE; HIGH-THROUGHPUT; FLOW-CYTOMETRY;
BUDDING YEAST; LIFE-SPAN; IDENTIFICATION
AB As yeast cultures enter stationary phase in rich, glucose-based medium, differentiation of two major subpopulations of cells, termed quiescent and nonquiescent, is observed. Differences in mRNA abundance between exponentially growing and stationary-phase cultures and quiescent and nonquiescent cells are known, but little was known about protein abundance in these cells. To measure protein abundance in exponential and stationary-phase cultures, the yeast GFP-fusion library (4159 strains) was examined during exponential and stationary phases, using high-throughput flow cytometry (HyperCyt). Approximately 5% of proteins in the library showed twofold or greater changes in median fluorescence intensity (abundance) between the two conditions. We examined 38 strains exhibiting two distinct fluorescence-intensity peaks in stationary phase and determined that the two fluorescence peaks distinguished quiescent and nonquiescent cells, the two major subpopulations of cells in stationary-phase cultures. GFP-fusion proteins in this group were more abundant in quiescent cells, and half were involved in mitochondrial function, consistent with the sixfold increase in respiration observed in quiescent cells and the relative absence of Cit1p:GFP in nonquiescent cells. Finally, examination of quiescent cell-specific GFP-fusion proteins revealed symmetry in protein accumulation in dividing quiescent and nonquiescent cells after glucose exhaustion, leading to a new model for the differentiation of these cells.
C1 [Davidson, George S.; Joe, Ray M.; Meirelles, Osorio; Wilson, Melissa R.; Manzanilla, Elaine E.; Dodson, Anne E.; Chakraborty, Swagata; Werner-Washburne, Margaret] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
[Davidson, George S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Roy, Sushmita] Univ New Mexico, Dept Comp Sci, Albuquerque, NM 87131 USA.
[Allen, Chris P.; Tapia, Phillip H.; Carter, Mark; Young, Susan; Edwards, Bruce; Sklar, Larry] Univ New Mexico, Dept Cytometry, Albuquerque, NM 87131 USA.
[Sklar, Larry] Univ New Mexico, Dept Pathol, Albuquerque, NM 87131 USA.
RP Werner-Washburne, M (reprint author), Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
EM maggieww@unm.edu
OI Joe, Ray/0000-0001-7716-2874
FU National Science Foundation (NSF) [MCB-0092364, HRD-0832947]; UNMCMD
[MH084690]; National Institutes of Health (NIH) [GM-060201, GM-0975149];
U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX We thank Benjamin Tu and Linda Breeden for helpful discussions and
Karlett Parra's laboratory for their help, especially Eli Weber. This
work was supported by National Science Foundation (NSF) grant
MCB-0092364 to M. W. W. and UNMCMD (MH084690) (to L. S.). R.M.J., P. H.
T., M. R. W., A. E. D., and E. E. M were supported by National
Institutes of Health (NIH) for Maximizing Student Diversity grant
GM-060201. R.M.J. was also supported by NIH GM-0975149, and E. E. M. had
further support under a Louis Stokes Alliance for Minority Participation
Bridge to the Doctorate fellowship grant through NSF HRD-0832947. Sandia
National Laboratories is a multiprogram laboratory 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 55
TC 39
Z9 39
U1 0
U2 6
PU AMER SOC CELL BIOLOGY
PI BETHESDA
PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA
SN 1059-1524
J9 MOL BIOL CELL
JI Mol. Biol. Cell
PD APR 1
PY 2011
VL 22
IS 7
BP 988
EP 998
DI 10.1091/mbc.E10-06-0499
PG 11
WC Cell Biology
SC Cell Biology
GA 743CW
UT WOS:000288995800010
PM 21289090
ER
PT J
AU de la Torre, S
Le Fevre, O
Porciani, C
Guzzo, L
Meneux, B
Abbas, U
Tasca, L
Carollo, CM
Contini, T
Kneib, JP
Lilly, SJ
Mainieri, V
Renzini, A
Scodeggio, M
Zamorani, G
Bardelli, S
Bolzonella, M
Bongiorno, A
Caputi, K
Coppa, G
Cucciati, O
de Ravel, L
Franzetti, P
Garilli, B
Halliday, C
Iovino, A
Kampczyk, P
Knobel, C
Koekemoer, AM
Kovac, K
Lamareille, F
Le Borgne, JF
Le Brun, V
Maier, C
Mignoli, M
Pello, R
Peng, Y
Perez-Montero, E
Ricciardelli, E
Silverman, J
Tanaka, M
Tresse, L
Vergani, D
Zucca, E
Bottini, D
Cappi, A
Cassata, P
Cimatti, A
Leauthaud, A
Maccagni, D
Marinoni, C
McCracken, HJ
Memeo, P
Oesch, P
Pozzetti, L
Scaramella, R
AF de la Torre, S.
Le Fevre, O.
Porciani, C.
Guzzo, L.
Meneux, B.
Abbas, U.
Tasca, L.
Carollo, C. M.
Contini, T.
Kneib, J. -P.
Lilly, S. J.
Mainieri, V.
Renzini, A.
Scodeggio, M.
Zamorani, G.
Bardelli, S.
Bolzonella, M.
Bongiorno, A.
Caputi, K.
Coppa, G.
Cucciati, O.
de Ravel, L.
Franzetti, P.
Garilli, B.
Halliday, C.
Iovino, A.
Kampczyk, P.
Knobel, C.
Koekemoer, A. M.
Kovac, K.
Lamareille, F.
Le Borgne, J. -F.
Le Brun, V.
Maier, C.
Mignoli, M.
Pello, R.
Peng, Y.
Perez-Montero, E.
Ricciardelli, E.
Silverman, J.
Tanaka, M.
Tresse, L.
Vergani, D.
Zucca, E.
Bottini, D.
Cappi, A.
Cassata, P.
Cimatti, A.
Leauthaud, A.
Maccagni, D.
Marinoni, C.
McCracken, H. J.
Memeo, P.
Oesch, P.
Pozzetti, L.
Scaramella, R.
TI The zCOSMOS-Bright survey: the clustering of early and late galaxy
morphological types since z similar or equal to 1
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE galaxies: evolution; galaxies: high-redshift; galaxies: statistics;
cosmology: observations; large-scale structure of Universe
ID VLT DEEP SURVEY; DIGITAL-SKY-SURVEY; LARGE-SCALE STRUCTURE; COLD
DARK-MATTER; 2-POINT CORRELATION-FUNCTION; REDSHIFT SURVEY; SPECTRAL
TYPE; LUMINOSITY DEPENDENCE; ENVIRONMENTAL DEPENDENCE; SPECTROSCOPIC
SAMPLE
AB We measure the spatial clustering of galaxies as a function of their morphological type at z similar or equal to 0.8, for the first time in a deep redshift survey with full morphological information. This is obtained by combining high-resolution Hubble Space Telescope imaging and Very Large Telescope spectroscopy for about 8500 galaxies to with accurate spectroscopic redshifts from the zCOSMOS-Bright redshift survey. At this epoch, early-type galaxies already show a significantly stronger clustering than late-type galaxies on all probed scales. A comparison to the Sloan Digital Sky Survey Data at z similar or equal to 0.1 shows that the relative clustering strength between early and late morphological classes tends to increase with cosmic time at small separations, while on large scales it shows no significant evolution since z similar or equal to 0.8. This suggests that most early-type galaxies had already formed in intermediate and dense environments at this epoch. Our results are consistent with a picture in which the relative clustering of different morphological types between z similar or equal to 1 and 0 reflects the evolving role of environment in the morphological transformation of galaxies, on top of a global evolution driven by mass.
C1 [de la Torre, S.; Le Fevre, O.; Kneib, J. -P.; Cucciati, O.; de Ravel, L.; Le Brun, V.; Tresse, L.] Lab Astrophys Marseille, F-13388 Marseille, France.
[de la Torre, S.; Guzzo, L.; Iovino, A.] INAF Osservatorio Astron Brera, I-23807 Merate, Italy.
[de la Torre, S.; Tasca, L.; Scodeggio, M.; Franzetti, P.; Garilli, B.; Bottini, D.; Maccagni, D.; Memeo, P.] INAF Ist Astrofis Spaziale & Fis Cosm Milano, I-20133 Milan, Italy.
[Porciani, C.] Univ Bonn, Argelander Inst Astron, D-53121 Bonn, Germany.
[Meneux, B.; Bongiorno, A.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
[Meneux, B.] Univ Sternwarte Munchen, Fac Phys, D-81679 Munich, Germany.
[Abbas, U.] INAF Osservatorio Astron Torino, I-10025 Pino Torinese, Italy.
[Carollo, C. M.; Lilly, S. J.; Caputi, K.; Kampczyk, P.; Knobel, C.; Kovac, K.; Maier, C.; Peng, Y.; Oesch, P.] ETH, Inst Astron, CH-8093 Zurich, Switzerland.
[Contini, T.; Lamareille, F.; Le Borgne, J. -F.; Pello, R.; Perez-Montero, E.] Observ Midi Pyrenees, Astrophys Lab, F-31400 Toulouse, France.
[Mainieri, V.; Tanaka, M.] European So Observ, D-85748 Garching, Germany.
[Renzini, A.] INAF Osservatorio Astron Padova, I-35122 Padua, Italy.
[Zamorani, G.; Bardelli, S.; Bolzonella, M.; Coppa, G.; Mignoli, M.; Vergani, D.; Zucca, E.; Cappi, A.; Pozzetti, L.] INAF Osservatorio Astron Bologna, I-40127 Bologna, Italy.
[Halliday, C.] INAF Osservatorio Astrofis Arcetri, I-50125 Florence, Italy.
[Koekemoer, A. M.] Space Telescope Sci Inst, Baltimore, MD 21218 USA.
[Ricciardelli, E.] Univ Padua, Dipartimento Astron, I-35122 Padua, Italy.
[Silverman, J.] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778568, Japan.
[Cassata, P.] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA.
[Cimatti, A.] Univ Bologna, Dipartimento Astron, I-40127 Bologna, Italy.
[Leauthaud, A.] Univ Calif Berkeley, Berkeley Lab, Berkeley, CA 94720 USA.
[Leauthaud, A.] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA.
[Marinoni, C.] Ctr Phys Theor Marseille, F-13288 Marseille, France.
[McCracken, H. J.] Inst Astrophys, F-75014 Paris, France.
[Scaramella, R.] INAF Osservatorio Astron Roma, I-00040 Monte Porzio Catone, Italy.
RP de la Torre, S (reprint author), Lab Astrophys Marseille, F-13388 Marseille, France.
EM sylvain.delatorre@brera.inaf.it
RI Pello, Roser/G-4754-2010; Le Fevre, Olivier/G-7389-2011; Kneib,
Jean-Paul/A-7919-2015; Cappi, Alberto/O-9391-2015; Zucca,
Elena/O-9396-2015; Bardelli, Sandro/O-9369-2015; Mignoli,
Marco/O-9426-2015; Bolzonella, Micol/O-9495-2015
OI Pozzetti, Lucia/0000-0001-7085-0412; Bongiorno,
Angela/0000-0002-0101-6624; Scodeggio, Marco/0000-0002-2282-5850;
Franzetti, Paolo/0000-0002-6986-0127; Vergani,
Daniela/0000-0003-0898-2216; Scaramella, Roberto/0000-0003-2229-193X;
Koekemoer, Anton/0000-0002-6610-2048; Iovino,
Angela/0000-0001-6958-0304; bottini, dario/0000-0001-6917-041X; Kneib,
Jean-Paul/0000-0002-4616-4989; Cappi, Alberto/0000-0002-9200-7167;
Zucca, Elena/0000-0002-5845-8132; Bardelli, Sandro/0000-0002-8900-0298;
Mignoli, Marco/0000-0002-9087-2835; Bolzonella,
Micol/0000-0003-3278-4607
FU INAF; ASI [PRIN-INAF-2007, ASI/COFIS/WP3110 I/026/07/0]; World Premier
International Research Center Initiative (WPI Initiative), MEXT, Japan;
NASA [NAS 5Y26555]
FX We acknowledge the anonymous referee for his careful review of the paper
and helpful suggestions. Financial support from INAF and ASI through
grants PRIN-INAF-2007 and ASI/COFIS/WP3110 I/026/07/0 is gratefully
acknowledged. JS is supported by World Premier International Research
Center Initiative (WPI Initiative), MEXT, Japan.; This work is based on
observations undertaken at the ESO-VLT under Large Program 175.A-0839
and also on observations with the NASA/ESA HST, obtained at the Space
Telescope Science Institute, operated by the Association of Universities
for Research in Astronomy, Inc. (AURA), under NASA contract NAS 5Y26555,
with the Subaru Telescope, operated by the National Astronomical
Observatory of Japan, with the telescopes of the National Optical
Astronomy Observatory, operated by the Association of Universities for
Research in Astronomy, Inc. (AURA), under cooperative agreement with the
National Science Foundation, and with the Canada-France-Hawaii
Telescope, operated by the National Research Council of Canada, the
Centre National de la Recherche Scientifique de France and the
University of Hawaii.
NR 88
TC 16
Z9 16
U1 0
U2 2
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0035-8711
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD APR
PY 2011
VL 412
IS 2
BP 825
EP 834
DI 10.1111/j.1365-2966.2010.17939.x
PG 10
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 737DV
UT WOS:000288549900007
ER
PT J
AU Smith, AM
Lynn, S
Sullivan, M
Lintott, CJ
Nugent, PE
Botyanszki, J
Kasliwal, M
Quimby, R
Bamford, SP
Fortson, LF
Schawinski, K
Hook, I
Blake, S
Podsiadlowski, P
Jonsson, J
Gal-Yam, A
Arcavi, I
Howell, DA
Bloom, JS
Jacobsen, J
Kulkarni, SR
Law, NM
Ofek, EO
Walters, R
AF Smith, A. M.
Lynn, S.
Sullivan, M.
Lintott, C. J.
Nugent, P. E.
Botyanszki, J.
Kasliwal, M.
Quimby, R.
Bamford, S. P.
Fortson, L. F.
Schawinski, K.
Hook, I.
Blake, S.
Podsiadlowski, P.
Joensson, J.
Gal-Yam, A.
Arcavi, I.
Howell, D. A.
Bloom, J. S.
Jacobsen, J.
Kulkarni, S. R.
Law, N. M.
Ofek, E. O.
Walters, R.
TI Galaxy Zoo Supernovae star
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE methods: data analysis; surveys; supernovae: general
ID DIGITAL-SKY-SURVEY; LEGACY SURVEY
AB This paper presents the first results from a new citizen science project: Galaxy Zoo Supernovae. This proof-of-concept project uses members of the public to identify supernova candidates from the latest generation of wide-field imaging transient surveys. We describe the Galaxy Zoo Supernovae operations and scoring model, and demonstrate the effectiveness of this novel method using imaging data and transients from the Palomar Transient Factory (PTF). We examine the results collected over the period 2010 April-July, during which nearly 14 000 supernova candidates from the PTF were classified by more than 2500 individuals within a few hours of data collection. We compare the transients selected by the citizen scientists to those identified by experienced PTF scanners and find the agreement to be remarkable - Galaxy Zoo Supernovae performs comparably to the PTF scanners and identified as transients 93 per cent of the similar to 130 spectroscopically confirmed supernovae (SNe) that the PTF located during the trial period (with no false positive identifications). Further analysis shows that only a small fraction of the lowest signal-to-noise ratio detections (r > 19.5) are given low scores: Galaxy Zoo Supernovae correctly identifies all SNe with >= 8 Sigma detections in the PTF imaging data. The Galaxy Zoo Supernovae project has direct applicability to future transient searches, such as the Large Synoptic Survey Telescope, by both rapidly identifying candidate transient events and via the training and improvement of existing machine classifier algorithms.
C1 [Smith, A. M.; Lynn, S.; Sullivan, M.; Lintott, C. J.; Hook, I.; Blake, S.; Podsiadlowski, P.; Joensson, J.] Univ Oxford, Dept Phys Astrophys, DWB, Oxford OX1 3RH, England.
[Nugent, P. E.; Botyanszki, J.; Jacobsen, J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA.
[Kasliwal, M.; Quimby, R.; Kulkarni, S. R.; Ofek, E. O.] CALTECH, Cahill Ctr Astrophys, Pasadena, CA 91125 USA.
[Bamford, S. P.] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England.
[Fortson, L. F.] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA.
[Schawinski, K.] Yale Univ, Dept Phys, New Haven, CT 06511 USA.
[Schawinski, K.] Yale Univ, Yale Ctr Astron & Astrophys, New Haven, CT 06520 USA.
[Hook, I.] INAF Osservatorio Roma, I-00040 Rome, Italy.
[Gal-Yam, A.; Arcavi, I.] Weizmann Inst Sci, Dept Particle Phys & Astrophys, Fac Phys, IL-76100 Rehovot, Israel.
[Howell, D. A.] Global Telescope Network, Las Cumbres Observ, Goleta, CA 93117 USA.
[Howell, D. A.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Bloom, J. S.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Law, N. M.] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada.
[Walters, R.] CALTECH, Caltech Opt Observ, Pasadena, CA 91125 USA.
RP Smith, AM (reprint author), Univ Oxford, Dept Phys Astrophys, DWB, Keble Rd, Oxford OX1 3RH, England.
EM arfon.smith@astro.ox.ac.uk; sullivan@astro.ox.ac.uk
RI Bamford, Steven/E-8702-2010;
OI Bamford, Steven/0000-0001-7821-7195; Smith, Arfon/0000-0002-3957-2474;
Schawinski, Kevin/0000-0001-5464-0888; Sullivan,
Mark/0000-0001-9053-4820
FU Leverhulme Trust; Royal Society; Weizmann-UK; STFC; US Department of
Energy [DE-FG02-06ER06-04]; NASA [PF9-00069, NAS8-03060]; NSF-CDI
[0941742]; Office of Science of the US Department of Energy
[DE-AC02-05CH11231]
FX We acknowledge the valuable contributions of the Zooniverse community
without which this project would not have been possible. AMS
acknowledges support from the Leverhulme Trust. MS acknowledges support
from the Royal Society. MS and AG-Y acknowledge support from a
Weizmann-UK 'Making conenctions' grant. CJL acknowledges support from
the STFC Science in Society Program and The Leverhulme Trust. PEN
acknowledges support from the US Department of Energy Scientific
Discovery through Advanced Computing program under contract
DE-FG02-06ER06-04. KS acknowledges support from a NASA Einstein
Postdoctoral Fellowship grant number PF9-00069, issued by the Chandra
X-ray Observatory Center, which is operated by the Smithsonian
Astrophysical Observatory for and on behalf of the NASA under contract
NAS8-03060. JSB acknowledges support of an NSF-CDI grant 'Real-time
Classification of Massive Time-series Data Streams' (Award #0941742).
The National Energy Research Scientific Computing Center, which is
supported by the Office of Science of the US Department of Energy under
Contract No. DE-AC02-05CH11231, provided staff, computational resources
and data storage for this project.
NR 17
TC 29
Z9 31
U1 1
U2 13
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0035-8711
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD APR
PY 2011
VL 412
IS 2
BP 1309
EP 1319
DI 10.1111/j.1365-2966.2010.17994.x
PG 11
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 737DV
UT WOS:000288549900048
ER
PT J
AU Li, WD
Leaman, J
Chornock, R
Filippenko, AV
Poznanski, D
Ganeshalingam, M
Wang, XF
Modjaz, M
Jha, S
Foley, RJ
Smith, N
AF Li, Weidong
Leaman, Jesse
Chornock, Ryan
Filippenko, Alexei V.
Poznanski, Dovi
Ganeshalingam, Mohan
Wang, Xiaofeng
Modjaz, Maryam
Jha, Saurabh
Foley, Ryan J.
Smith, Nathan
TI Nearby supernova rates from the Lick Observatory Supernova Search - II.
The observed luminosity functions and fractions of supernovae in a
complete sample
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Review
DE supernovae: general
ID CORE-COLLAPSE SUPERNOVAE; GAMMA-RAY BURST; IA SUPERNOVAE; LIGHT CURVES;
HOST GALAXIES; INFRARED OBSERVATIONS; RELATIVE FREQUENCIES;
PHYSICAL-PROPERTIES; UBVRI PHOTOMETRY; SHOCK BREAKOUT
AB This is the second paper of a series in which we present new measurements of the observed rates of supernovae (SNe) in the local Universe, determined from the Lick Observatory Supernova Search (LOSS). In this paper, a complete SN sample is constructed, and the observed (uncorrected for host-galaxy extinction) luminosity functions (LFs) of SNe are derived. These LFs solve two issues that have plagued previous rate calculations for nearby SNe: the luminosity distribution of SNe and the host-galaxy extinction. We select a volume-limited sample of 175 SNe, collect photometry for every object and fit a family of light curves to constrain the peak magnitudes and light-curve shapes. The volume-limited LFs show that they are not well represented by a Gaussian distribution. There are notable differences in the LFs for galaxies of different Hubble types (especially for SNe Ia). We derive the observed fractions for the different subclasses in a complete SN sample, and find significant fractions of SNe II-L (10 per cent), IIb (12 per cent) and IIn (9 per cent) in the SN II sample. Furthermore, we derive the LFs and the observed fractions of different SN subclasses in a magnitude-limited survey with different observation intervals, and find that the LFs are enhanced at the high-luminosity end and appear more 'standard' with smaller scatter, and that the LFs and fractions of SNe do not change significantly when the observation interval is shorter than 10 d. We also discuss the LFs in different galaxy sizes and inclinations, and for different SN subclasses. Some notable results are that there is not a strong correlation between the SN LFs and the host-galaxy size, but there might be a preference for SNe IIn to occur in small, late-type spiral galaxies. The LFs in different inclination bins do not provide strong evidence for extreme extinction in highly inclined galaxies, though the sample is still small. The LFs of different SN subclasses show significant differences. We also find that SNe Ibc and IIb come from more luminous galaxies than SNe II-P, while SNe IIn come from less luminous galaxies, suggesting a possible metallicity effect. The limitations and applications of our LFs are also discussed.
C1 [Li, Weidong; Leaman, Jesse; Chornock, Ryan; Filippenko, Alexei V.; Poznanski, Dovi; Ganeshalingam, Mohan; Wang, Xiaofeng; Modjaz, Maryam; Jha, Saurabh; Foley, Ryan J.; Smith, Nathan] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Leaman, Jesse] NASA, Ames Res Ctr, Mountain View, CA 94043 USA.
[Chornock, Ryan; Foley, Ryan J.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Poznanski, Dovi] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA.
[Wang, Xiaofeng] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA.
[Wang, Xiaofeng] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
[Wang, Xiaofeng] Tsinghua Univ, Tsinghua Ctr Astrophys THCA, Beijing 100084, Peoples R China.
[Modjaz, Maryam] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA.
[Jha, Saurabh] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA.
[Smith, Nathan] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA.
RP Li, WD (reprint author), Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA.
EM wli@astro.berkeley.edu
RI Wang, Xiaofeng/J-5390-2015
FU US National Science Foundation (NSF) [AST-0607485, AST-0908886]; TABASGO
Foundation; US Department of Energy [DE-FC02-06ER41453,
DE-FG02-08ER41563]; Sun Microsystems, Inc.; Hewlett-Packard Company;
AutoScope Corporation; Lick Observatory; NSF [AST-0205808, AST-0606772];
University of California; Sylvia & Jim Katzman Foundation; Richard and
Rhoda Goldman Fund; NASA; Einstein Fellowship; NSFC [10673007,
11073013]; China-973 Program [2009CB824800]; Miller Institute for Basic
Research in Science (UC Berkeley)
FX We thank the referee, Enrico Cappellaro, for useful comments and
suggestions which improved the paper. We are grateful to the many
students, postdocs and other collaborators who have contributed to the
Katzman Automatic Imaging Telescope and the Lick Observatory Supernova
Search over the past two decades, and to discussions concerning the
determination of supernova rates - especially Jack Borde, Frank Serduke,
Jeffrey Silverman, Thea Steele and Richard R. Treffers. We thank the
Lick Observatory staff for their assistance with the operation of KAIT.
LOSS, conducted by AVF's group, has been supported by many grants from
the US National Science Foundation (NSF; most recently AST-0607485 and
AST-0908886), the TABASGO Foundation, US Department of Energy SciDAC
grant DE-FC02-06ER41453 and US Department of Energy grant
DE-FG02-08ER41563. KAIT and its ongoing operation were made possible by
donations from Sun Microsystems, Inc., the Hewlett-Packard Company,
AutoScope Corporation, Lick Observatory, the NSF, the University of
California, the Sylvia & Jim Katzman Foundation, the Richard and Rhoda
Goldman Fund and the TABASGO Foundation. We give particular thanks to
Russell M. Genet, who made KAIT possible with his initial special gift;
former Lick Director Joseph S. Miller, who allowed KAIT to be placed at
Lick Observatory and provided staff support; and the TABASGO Foundation,
without which this work would not have been completed. JL is grateful
for a fellowship from the NASA Postdoctoral Program. DP is supported by
an Einstein Fellowship. XW acknowledges NSFC grants (10673007, 11073013)
and the China-973 Program 2009CB824800. MM acknowledges NSF grants
AST-0205808 and AST-0606772, as well as the Miller Institute for Basic
Research in Science (UC Berkeley), for support during the time over
which part of this work was conducted. We made use of the NASA/IPAC
Extragalactic Data base (NED), which is operated by the Jet Propulsion
Laboratory, California Institute of Technology, under contract with
NASA. We acknowledge use of the HyperLeda data base
(http://leda.univ-lyon1.fr).
NR 133
TC 277
Z9 279
U1 0
U2 5
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0035-8711
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD APR
PY 2011
VL 412
IS 3
BP 1441
EP 1472
DI 10.1111/j.1365-2966.2011.18160.x
PG 32
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 745IM
UT WOS:000289159100003
ER
PT J
AU Li, WD
Chornock, R
Leaman, J
Filippenko, AV
Poznanski, D
Wang, XF
Ganeshalingam, M
Mannucci, F
AF Li, Weidong
Chornock, Ryan
Leaman, Jesse
Filippenko, Alexei V.
Poznanski, Dovi
Wang, Xiaofeng
Ganeshalingam, Mohan
Mannucci, Filippo
TI Nearby supernova rates from the Lick Observatory Supernova Search - III.
The rate-size relation, and the rates as a function of galaxy Hubble
type and colour
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE supernovae: general
ID CORE-COLLAPSE SUPERNOVAE; AEGIS FIELD GALAXIES; IA SUPERNOVAE;
STAR-FORMATION; MASSIVE STARS; LEGACY SURVEY; HIGH-REDSHIFT;
PROGENITORS; POPULATIONS; LUMINOSITY
AB This is the third paper of a series in which we present new measurements of the observed rates of supernovae (SNe) in the local Universe, determined from the Lick Observatory Supernova Search (LOSS). We have considered a sample of similar to 1000 SNe and used an optimal subsample of 726 SNe (274 SNe Ia, 116 SNe Ibc and 324 SNe II) to determine our rates. We study the trend of the rates as a function of a few quantities available for our galaxy sample, such as luminosity in the B and K bands, stellar mass and morphological class. We discuss different choices (SN samples, input SN luminosity functions, inclination correction factors) and their effect on the rates and their uncertainties. A comparison between our SN rates and the published measurements shows that they are consistent with each other to within the uncertainties when the rate calculations are done in the same manner. Nevertheless, our data demonstrate that the rates cannot be adequately described by a single parameter using either galaxy Hubble types or B - K colours. A secondary parameter in galaxy 'size', expressed by luminosity or stellar mass, is needed to adequately describe the rates in the rate-size relation: the galaxies of smaller sizes have higher SN rates per unit mass or per unit luminosity. The trends of the SN rates in galaxies of different Hubble types and colours are discussed. We examine possible causes for the rate-size relation. Physically, such a relation for the core-collapse SNe is probably linked to the correlation between the specific star-formation rate and the galaxy sizes, but it is not clear whether the same link can be established for SNe Ia. We discuss the two-component ('tardy' and 'prompt') model for SN Ia rates, and find that the SN Ia rates in young stellar populations might have a strong correlation with the core-collapse SN rates. We derive volumetric rates for the different SN types [e.g. for SNe Ia, a rate of (0.301 +/- 0.062) x 10-4 SN Mpc-3 yr-1 at redshift 0] and compare them to the measurements at different redshifts. Finally, we estimate the SN rate for the Milky Way Galaxy to be 2.84 +/- 0.60 SNe per century (with a systematic uncertainty of a factor of similar to 2), consistent with published SN rates based on several different techniques.
C1 [Li, Weidong; Chornock, Ryan; Leaman, Jesse; Filippenko, Alexei V.; Poznanski, Dovi; Wang, Xiaofeng; Ganeshalingam, Mohan] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Chornock, Ryan] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Leaman, Jesse] NASA, Ames Res Ctr, Mountain View, CA 94043 USA.
[Poznanski, Dovi] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA.
[Wang, Xiaofeng] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA.
[Wang, Xiaofeng] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China.
[Wang, Xiaofeng] Tsinghua Univ, Tsinghua Ctr Astrophys THCA, Beijing 100084, Peoples R China.
[Mannucci, Filippo] INAF Osservatorio Astrofis Arcetri, I-50125 Florence, Italy.
RP Li, WD (reprint author), Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA.
EM wli@astro.berkeley.edu
RI Wang, Xiaofeng/J-5390-2015;
OI mannucci, filippo/0000-0002-4803-2381
FU US National Science Foundation (NSF) [AST-0607485, AST-0908886]; TABASGO
Foundation; US Department of Energy [DE-FC02-06ER41453,
DE-FG02-08ER41563]; Sun Microsystems, Inc.; Hewlett-Packard Company;
AutoScope Corporation; Lick Observatory; NSF; University of California;
Sylvia & Jim Katzman Foundation; Richard and Rhoda Goldman Fund; NASA;
Einstein Fellowship; NSFC [10673007, 11073013]; China-973 Program
[2009CB824800]
FX The LOSS, conducted by AVF's group, has been supported by many grants
from the US National Science Foundation (NSF; most recently AST-0607485
and AST-0908886), the TABASGO Foundation, US Department of Energy SciDAC
grant DE-FC02-06ER41453 and US Department of Energy grant
DE-FG02-08ER41563. The KAIT and its ongoing operation were made possible
by donations from Sun Microsystems, Inc., the Hewlett-Packard Company,
AutoScope Corporation, Lick Observatory, the NSF, the University of
California, the Sylvia & Jim Katzman Foundation, the Richard and Rhoda
Goldman Fund and the TABASGO Foundation. We give particular thanks to
Russell M. Genet, who made the KAIT possible with his initial special
gift; former Lick Director Joseph S. Miller, who allowed the KAIT to be
placed at Lick Observatory and provided staff support; and the TABASGO
Foundation, without which this work would not have been completed. JL is
grateful for a fellowship from the NASA Postdoctoral Program. DP is
supported by an Einstein Fellowship. XW acknowledges NSFC grants
(10673007, 11073013) and the China-973 Program 2009CB824800. We made use
of the NASA/IPAC Extragalactic Data base (NED), which is operated by the
Jet Propulsion Laboratory, California Institute of Technology, under
contract with NASA. We acknowledge use of the HyperLeda data base
(http://leda.univlyon1.fr).
NR 58
TC 199
Z9 202
U1 1
U2 9
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0035-8711
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD APR
PY 2011
VL 412
IS 3
BP 1473
EP 1507
DI 10.1111/j.1365-2966.2011.18162.x
PG 35
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 745IM
UT WOS:000289159100004
ER
PT J
AU Mielenz, JR
AF Mielenz, Jonathan R.
TI Biofuels from protein
SO NATURE BIOTECHNOLOGY
LA English
DT Editorial Material
ID BIOMASS; FUELS; CHEMICALS; ALCOHOLS
C1 Oak Ridge Natl Lab, Bioenergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Mielenz, JR (reprint author), Oak Ridge Natl Lab, Bioenergy Sci Ctr, Oak Ridge, TN 37831 USA.
EM mielenzjr@ornl.gov
NR 10
TC 0
Z9 0
U1 2
U2 8
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1087-0156
J9 NAT BIOTECHNOL
JI Nat. Biotechnol.
PD APR
PY 2011
VL 29
IS 4
BP 327
EP 328
DI 10.1038/nbt.1838
PG 2
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 746XY
UT WOS:000289284900015
PM 21478847
ER
PT J
AU Spellman, P
Gray, J
AF Spellman, Paul
Gray, Joe
TI A new treasure in the breast cancer gene hunt
SO NATURE MEDICINE
LA English
DT Editorial Material
ID THERAPEUTIC TARGET
C1 [Spellman, Paul] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Spellman, Paul] US Natl Canc Inst, Bethesda, MD USA.
[Gray, Joe] Oregon Hlth & Sci Univ, Portland, OR 97201 USA.
RP Spellman, P (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM grayjo@ohsu.edu
NR 9
TC 9
Z9 9
U1 0
U2 2
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1078-8956
J9 NAT MED
JI Nat. Med.
PD APR
PY 2011
VL 17
IS 4
BP 422
EP 423
PG 2
WC Biochemistry & Molecular Biology; Cell Biology; Medicine, Research &
Experimental
SC Biochemistry & Molecular Biology; Cell Biology; Research & Experimental
Medicine
GA 746KI
UT WOS:000289245100027
PM 21475233
ER
PT J
AU Collisson, EA
Sadanandam, A
Olson, P
Gibb, WJ
Truitt, M
Gu, SD
Cooc, J
Weinkle, J
Kim, GE
Jakkula, L
Feiler, HS
Ko, AH
Olshen, AB
Danenberg, KL
Tempero, MA
Spellman, PT
Hanahan, D
Gray, JW
AF Collisson, Eric A.
Sadanandam, Anguraj
Olson, Peter
Gibb, William J.
Truitt, Morgan
Gu, Shenda
Cooc, Janine
Weinkle, Jennifer
Kim, Grace E.
Jakkula, Lakshmi
Feiler, Heidi S.
Ko, Andrew H.
Olshen, Adam B.
Danenberg, Kathleen L.
Tempero, Margaret A.
Spellman, Paul T.
Hanahan, Douglas
Gray, Joe W.
TI Subtypes of pancreatic ductal adenocarcinoma and their differing
responses to therapy
SO NATURE MEDICINE
LA English
DT Article
ID GENE-EXPRESSION; BREAST-CANCER; LUNG-CANCER; K-RAS; IDENTIFICATION;
CHEMOTHERAPY; DIFFERENTIATION; MICROARRAYS; SENSITIVITY; MUTATIONS
AB Pancreatic ductal adenocarcinoma (PDA) is a lethal disease. Overall survival is typically 6 months from diagnosis(1). Numerous phase 3 trials of agents effective in other malignancies have failed to benefit unselected PDA populations, although patients do occasionally respond. Studies in other solid tumors have shown that heterogeneity in response is determined, in part, by molecular differences between tumors. Furthermore, treatment outcomes are improved by targeting drugs to tumor subtypes in which they are selectively effective, with breast(2) and lung(3) cancers providing recent examples. Identification of PDA molecular subtypes has been frustrated by a paucity of tumor specimens available for study. We have overcome this problem by combined analysis of transcriptional profiles of primary PDA samples from several studies, along with human and mouse PDA cell lines. We define three PDA subtypes: classical, quasimesenchymal and exocrine-like, and we present evidence for clinical outcome and therapeutic response differences between them. We further define gene signatures for these subtypes that may have utility in stratifying patients for treatment and present preclinical model systems that may be used to identify new subtype specific therapies.
C1 [Collisson, Eric A.; Sadanandam, Anguraj; Gibb, William J.; Gu, Shenda; Weinkle, Jennifer; Jakkula, Lakshmi; Feiler, Heidi S.; Spellman, Paul T.; Gray, Joe W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Collisson, Eric A.; Ko, Andrew H.; Tempero, Margaret A.] Univ Calif San Francisco, Div Hematol & Oncol, San Francisco, CA 94143 USA.
[Sadanandam, Anguraj; Hanahan, Douglas] Swiss Fed Inst Technol, Swiss Inst Expt Canc Res, CH-1015 Lausanne, Switzerland.
[Olson, Peter; Truitt, Morgan; Hanahan, Douglas] Univ Calif San Francisco, Dept Biochem & Biophys, San Francisco, CA 94143 USA.
[Olson, Peter; Truitt, Morgan; Hanahan, Douglas] Univ Calif San Francisco, Ctr Diabet, San Francisco, CA 94143 USA.
[Cooc, Janine; Danenberg, Kathleen L.] Response Genet, Los Angeles, CA USA.
[Kim, Grace E.] Univ Calif San Francisco, Dept Pathol, San Francisco, CA USA.
[Olshen, Adam B.] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA 94143 USA.
[Olshen, Adam B.] Univ Calif San Francisco, Helen Diller Family Comprehens Canc Ctr, San Francisco, CA 94143 USA.
[Gray, Joe W.] Oregon Hlth & Sci Univ, Dept Biomed Engn, Portland, OR 97201 USA.
RP Gray, JW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
EM grayjo@ohsu.edu
OI Gu, Shenda/0000-0003-2271-0524
FU American Society of Clinical Oncology; US National Cancer Institute
(NCI) [K08 CA137153]; US Department of Defense [BC087768]; NCI [PO1 CA
117969, P50 CA 58207, P50 CA 83639, U54 CA 112970]; American Cancer
Society; Office of Science, Office of Biological & Environmental
Research, of the United States Department of Energy [DE-AC02-05CH11231]
FX We are grateful to M. Lenburg and the Gray, Hanahan and Speed labs for
discussion. We thank L. Chin (Dana-Farber Cancer Institute) for 3.27,
TU8988S, TU8988T, Tu8902, DanG and HupT3, S. Batra (University of
Nebraska Medical Center) for Suit2, M. McMahon (UCSF) for HPAC, Capan2,
HPAF II, 6.03, CFPac1, MPanc96, 2.13, Panc1, MiaPaca2, 10.05 and
Colo357, and A. Singh (Massachusetts General Hospital) for Sw1990. B.
Stockwell (New York University) kindly provided pLKOshKRAS 5. R. Adam
(Children's Hospital Boston) kindly provided pLKOshGATA6 5. E. A. C. was
supported by a Young Investigator Award from the American Society of
Clinical Oncology and US National Cancer Institute (NCI) K08 CA137153.
A. S. was supported by a US Department of Defense Postdoctoral
Fellowship (BC087768). The research in the laboratory of D. H. was
supported by an NCI Program Project Grant PO1 CA 117969; D. H. is an
American Cancer Society Research Professor. This work was supported by
the Director, Office of Science, Office of Biological & Environmental
Research, of the United States Department of Energy under contract no.
DE-AC02-05CH11231, and by NCI grants P50 CA 58207, P50 CA 83639 and U54
CA 112970 to J. W. G.
NR 36
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Z9 254
U1 1
U2 35
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1078-8956
J9 NAT MED
JI Nat. Med.
PD APR
PY 2011
VL 17
IS 4
BP 500
EP U140
DI 10.1038/nm.2344
PG 5
WC Biochemistry & Molecular Biology; Cell Biology; Medicine, Research &
Experimental
SC Biochemistry & Molecular Biology; Cell Biology; Research & Experimental
Medicine
GA 746KI
UT WOS:000289245100042
PM 21460848
ER
PT J
AU Egami, T
AF Egami, Takeshi
TI RANDOM MATERIALS Localization on the nanoscale
SO NATURE NANOTECHNOLOGY
LA English
DT News Item
C1 [Egami, Takeshi] Univ Tennessee, Knoxville, TN 37996 USA.
[Egami, Takeshi] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Egami, T (reprint author), Univ Tennessee, Knoxville, TN 37996 USA.
EM egami@utk.edu
NR 2
TC 3
Z9 3
U1 1
U2 12
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1748-3387
J9 NAT NANOTECHNOL
JI Nat. Nanotechnol.
PD APR
PY 2011
VL 6
IS 4
BP 199
EP 200
DI 10.1038/nnano.2011.51
PG 3
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA 745VY
UT WOS:000289199700006
PM 21468109
ER
PT J
AU Nair, PM
Salaita, K
Petit, RS
Groves, JT
AF Nair, Pradeep M.
Salaita, Khalid
Petit, Rebecca S.
Groves, Jay T.
TI Using patterned supported lipid membranes to investigate the role of
receptor organization in intercellular signaling
SO NATURE PROTOCOLS
LA English
DT Article
ID DIP-PEN NANOLITHOGRAPHY; FLUORESCENCE MICROSCOPY; SINGLE CELLS;
BILAYERS; EPH; DISTRIBUTIONS; LITHOGRAPHY; SUBSTRATE; MOBILITY; LIGANDS
AB Physical inputs, both internal and external to a cell, can directly alter the spatial organization of cell surface receptors and their associated functions. Here we describe a protocol that combines solid-state nanolithography and supported lipid membrane techniques to trigger and manipulate specific receptors on the surface of living cells and to develop an understanding of the interplay between spatial organization and receptor function. While existing protein-patterning techniques are capable of presenting cells with well-defined clusters of protein, this protocol uniquely allows for the control of the spatial organization of laterally fluid receptor-ligand complex at an intermembrane junction. A combination of immunofluorescence and single-cell microscopy methods and complementary biochemical analyses are used to characterize receptor signaling pathways and cell functions. The protocol requires 2-5 d to complete depending on the parameters to be studied. In principle, this protocol is widely applicable to eukaryotic cells and herein is specifically developed to study the role of physical organization and translocation of the EphA2 receptor tyrosine kinase across a library of model breast cancer cell lines.
C1 [Nair, Pradeep M.; Petit, Rebecca S.; Groves, Jay T.] Univ Calif Berkeley, Howard Hughes Med Inst, Dept Chem, Berkeley, CA 94720 USA.
[Nair, Pradeep M.; Petit, Rebecca S.; Groves, Jay T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Nair, Pradeep M.; Petit, Rebecca S.; Groves, Jay T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Salaita, Khalid] Emory Univ, Dept Chem, Atlanta, GA 30322 USA.
[Salaita, Khalid] Emory Univ, Winship Canc Inst, Atlanta, GA 30322 USA.
[Groves, Jay T.] Natl Univ Singapore, Res Ctr Excellence Mechanobiol, Singapore 117548, Singapore.
RP Groves, JT (reprint author), Univ Calif Berkeley, Howard Hughes Med Inst, Dept Chem, Berkeley, CA 94720 USA.
EM jtgroves@lbl.gov
FU U.S. Department of Energy (DOE) [DE-AC02-05CH11231]; U.S. Department of
Defense Breast Cancer Research [BC076701]; U.S. Army Medical Research
Acquisition Activity [W81XWH-08-1-0677]; National Cancer Institute (NCI)
FX We thank J.W. Gray and R. M. Neve for discussions that led to the use of
supported membranes to study EphA2-ephrin-A1 signaling, and for
providing the cells used in this work. We also thank N. Bayani for
assistance in performing western blotting, A. Smoligovets and C.-H. Yu
for performing transfection and imaging with EGFP-actin-expressing
MDA-MB-231 cells, and A. Bershadsky for helpful discussions. This work
was supported by the Director, Office of Science, Office of Basic Energy
Sciences, Chemical Sciences, Geosciences and Biosciences Division (K.S.,
P.M.N.; hybrid synthetic-live cell interfaces) and Materials Sciences
and Engineering Division (R.S.P.; supported membrane substrates) of the
U.S. Department of Energy (DOE) under contract no. DE-AC02-05CH11231.
Patterned substrate fabrication was performed, in part, at the Molecular
Foundry, Lawrence Berkeley National Laboratory (LBNL), and was supported
by the Office of Science, Office of Basic Energy Sciences, Scientific
User Facilities Division of the U.S. DOE under contract no.
DE-AC02-05CH11231. This work was also supported by the Laboratory
Directed Research and Development Program of LBNL under U.S. DOE
contract no. DE-AC02-05CH11231. Seed support for biomedical aspects of
this work was provided by the U.S. Department of Defense Breast Cancer
Research Program Concept Award BC076701 under U.S. Army Medical Research
Acquisition Activity no. W81XWH-08-1-0677 with follow-on support
provided by Award U54 CA143836 from the National Cancer Institute (NCI)
beginning in 2009. K.S. acknowledges Oak Ridge National Laboratory's
Center for Nanophase Materials Sciences, Scientific User Facilities
Division, Office of Basic Energy Sciences, U.S. Department of Energy
(CNMS2009-269). K.S. is also grateful to the Georgia Cancer Coalition
(GCC) for a Cancer Research Award. The content is solely the
responsibility of the authors and does not necessarily represent the
official views of the NCI or the National Institutes of Health (NIH).
The Regents of the University of California have filed a related patent
application through LBNL.
NR 45
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U1 2
U2 41
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1754-2189
J9 NAT PROTOC
JI Nat. Protoc.
PD APR
PY 2011
VL 6
IS 4
BP 523
EP 539
DI 10.1038/nprot.2011.302
PG 17
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 743CF
UT WOS:000288993200010
PM 21455188
ER
PT J
AU Williams, GJ
Williams, RS
Williams, JS
Moncalian, G
Arvai, AS
Limbo, O
Guenther, G
SilDas, S
Hammel, M
Russell, P
Tainer, JA
AF Williams, Gareth J.
Williams, R. Scott
Williams, Jessica S.
Moncalian, Gabriel
Arvai, Andrew S.
Limbo, Oliver
Guenther, Grant
SilDas, Soumita
Hammel, Michal
Russell, Paul
Tainer, John A.
TI ABC ATPase signature helices in Rad50 link nucleotide state to Mre11
interface for DNA repair
SO NATURE STRUCTURAL & MOLECULAR BIOLOGY
LA English
DT Article
ID DOUBLE-STRAND-BREAK; X-RAY-SCATTERING; MACROMOLECULAR STRUCTURES;
MRE11/RAD50 COMPLEX; CYSTIC-FIBROSIS; BINDING; PROTEIN; TRANSPORTERS;
MRE11-RAD50-NBS1; NUCLEASE
AB The Rad50 ABC-ATPase complex with Mre11 nuclease is essential for dsDNA break repair, telomere maintenance and ataxia telangiectasia-mutated kinase checkpoint signaling. How Rad50 affects Mre11 functions and how ABC-ATPases communicate nucleotide binding and ligand states across long distances and among protein partners are questions that have remained obscure. Here, structures of Mre11-Rad50 complexes define the Mre11 2-helix Rad50 binding domain (RBD) that forms a four-helix interface with Rad50 coiled coils adjoining the ATPase core. Newly identified effector and basic-switch helix motifs extend the ABC-ATPase signature motif to link ATP-driven Rad50 movements to coiled coils binding Mre11, implying an similar to 30-angstrom pull on the linker to the nuclease domain. Both RBD and basic-switch mutations cause clastogen sensitivity. Our new results characterize flexible ATP-dependent Mre11 regulation, defects in cancer-linked RBD mutations, conserved superfamily basic switches and motifs effecting ATP-driven conformational change, and they provide a unified comprehension of ABC-ATPase activities.
C1 [Williams, R. Scott; Williams, Jessica S.; Moncalian, Gabriel; Arvai, Andrew S.; Limbo, Oliver; Guenther, Grant; Russell, Paul; Tainer, John A.] Scripps Res Inst, Dept Mol Biol, La Jolla, CA 92037 USA.
[Williams, Gareth J.; Tainer, John A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Williams, R. Scott; Moncalian, Gabriel; Arvai, Andrew S.; Guenther, Grant; Tainer, John A.] Scripps Res Inst, Skaggs Inst Chem Biol, La Jolla, CA 92037 USA.
[Hammel, Michal] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Russell, Paul] Scripps Res Inst, Dept Cell Biol, La Jolla, CA 92037 USA.
RP Williams, RS (reprint author), Scripps Res Inst, Dept Mol Biol, 10666 N Torrey Pines Rd, La Jolla, CA 92037 USA.
EM williamsrs@niehs.nih.gov; prussell@scripps.edu; jat@scripps.edu
RI Moncalian, Gabriel/K-3493-2014; Williams, Robert/A-6059-2015
OI Moncalian, Gabriel/0000-0002-3007-6490;
FU National Cancer Institute [CA117638, CA92584, CA77325]; US National
Intitutes of Health [1Z01ES102765-01]; Department of Energy, Office of
Biological and Environmental Research [DE-AC02-05CH11231]; Lawrence
Berkeley National Laboratory; United States Department of Energy
[DE-AC02-05CH11231]
FX This MRN research is supported by National Cancer Institute grants
CA117638 (J.A.T. and P. R.), CA92584 (J.A.T.), CA77325 (P. R.) and in
part by the US National Intitutes of Health Intramural Research program
1Z01ES102765-01 (R. S. W.). Microbial complex efforts are supported by
the Ecosystems and Networks Integrated with Genes and Molecular
Assemblies (ENIGMA) Program of the Department of Energy, Office of
Biological and Environmental Research, through contract
DE-AC02-05CH11231 with Lawrence Berkeley National Laboratory (J.A.T.).
The Structurally Integrated Biology for Life Sciences (SIBYLS) beamline
(BL12.3.1) at the Advanced Light Source is supported by United States
Department of Energy program Integrated Diffraction Analysis
Technologies DE-AC02-05CH11231 (J.A.T.). We thank G. Hura (Lawrence
Berkeley National Laboratory) for expert SAXS data collection
assistance.
NR 52
TC 78
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U1 1
U2 6
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1545-9993
EI 1545-9985
J9 NAT STRUCT MOL BIOL
JI Nat. Struct. Mol. Biol.
PD APR
PY 2011
VL 18
IS 4
BP 423
EP U54
DI 10.1038/nsmb.2038
PG 10
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 745UZ
UT WOS:000289195000005
PM 21441914
ER
PT J
AU Costa, A
Ilves, I
Tamberg, N
Petojevic, T
Nogales, E
Botchan, MR
Berger, JM
AF Costa, Alessandro
Ilves, Ivar
Tamberg, Nele
Petojevic, Tatjana
Nogales, Eva
Botchan, Michael R.
Berger, James M.
TI The structural basis for MCM2-7 helicase activation by GINS and Cdc45
SO NATURE STRUCTURAL & MOLECULAR BIOLOGY
LA English
DT Article
ID EUKARYOTIC DNA-REPLICATION; MINICHROMOSOME MAINTENANCE PROTEIN;
METHANOBACTERIUM-THERMOAUTOTROPHICUM; HEXAMERIC HELICASE;
CRYSTAL-STRUCTURE; ATP HYDROLYSIS; FUNCTIONAL INSIGHTS;
ELECTRON-MICROSCOPY; COMPLEX; ORIGIN
AB Two central steps for initiating eukaryotic DNA replication involve loading of the Mcm2-7 helicase onto double-stranded DNA and its activation by GINS-Cdc45. To better understand these events, we determined the structures of Mcm2-7 and the CMG complex by using single-particle electron microscopy. Mcm2-7 adopts two conformations-a lock-washer-shaped spiral state and a planar, gapped-ring form-in which Mcm2 and Mcm5 flank a breach in the helicase perimeter. GINS and Cdc45 bridge this gap, forming a topologically closed assembly with a large interior channel; nucleotide binding further seals off the discontinuity between Mcm2 and Mcm5, partitioning the channel into two smaller pores. Together, our data help explain how GINS and Cdc45 activate Mcm2-7, indicate that Mcm2-7 loading may be assisted by a natural predisposition of the hexamer to form open rings, and suggest a mechanism by which the CMG complex assists DNA strand separation.
C1 [Costa, Alessandro; Ilves, Ivar; Tamberg, Nele; Petojevic, Tatjana; Nogales, Eva; Botchan, Michael R.; Berger, James M.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Costa, Alessandro; Nogales, Eva; Botchan, Michael R.; Berger, James M.] Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA.
[Petojevic, Tatjana] Free Univ Berlin, Inst Chem & Biochem, Dept Biol Chem & Pharm, D-1000 Berlin, Germany.
[Nogales, Eva] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Nogales, Eva] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Berger, JM (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA.
EM mbotchan@berkeley.edu; jmberger@berkeley.edu
RI Ilves, Ivar/H-2472-2012
OI Ilves, Ivar/0000-0002-1747-9973
FU European Molecular Biology Organization; Boehringer Ingelheim Fonds;
Human Frontier Science Program [RPG0039]; National Institute of General
Medical Sciences [GM071747]; National Cancer Institute [CA R37-30490]
FX The authors would like to thank A. Lyubimov and F. Bleichert for
comments and help with the manuscript; and G. Lander, P. Grob, R.
Hannah, R. Hall, M. Cianfrocco and C. Ciferri for technical help. This
work was supported by a European Molecular Biology Organization
long-term postdoctoral fellowship (to A. C.), a PhD fellowship from the
Boehringer Ingelheim Fonds (to T. P.), the Human Frontier Science
Program (RPG0039, to E.N.), the National Institute of General Medical
Sciences (GM071747, to J.M.B.) and the National Cancer Institute (CA
R37-30490, to M. R. B.). E.N. is a Howard Hughes Medical Institute
investigator.
NR 59
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Z9 153
U1 1
U2 17
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1545-9985
J9 NAT STRUCT MOL BIOL
JI Nat. Struct. Mol. Biol.
PD APR
PY 2011
VL 18
IS 4
BP 471
EP U110
DI 10.1038/nsmb.2004
PG 9
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 745UZ
UT WOS:000289195000012
PM 21378962
ER
PT J
AU Miroshnikova, YA
Jorgens, DM
Spirio, L
Auer, M
Sarang-Sieminski, AL
Weaver, VM
AF Miroshnikova, Y. A.
Jorgens, D. M.
Spirio, L.
Auer, M.
Sarang-Sieminski, A. L.
Weaver, V. M.
TI Engineering strategies to recapitulate epithelial morphogenesis within
synthetic three-dimensional extracellular matrix with tunable mechanical
properties
SO PHYSICAL BIOLOGY
LA English
DT Article
ID SMOOTH-MUSCLE-CELLS; ASSEMBLING PEPTIDE HYDROGEL; MESENCHYMAL
STEM-CELLS; BASEMENT-MEMBRANE; FOCAL ADHESIONS; IN-VITRO; CAPILLARY
MORPHOGENESIS; TISSUE MORPHOGENESIS; MALIGNANT PHENOTYPE; HEPATOCYTE
CULTURE
AB The mechanical properties (e.g. stiffness) of the extracellular matrix (ECM) influence cell fate and tissue morphogenesis and contribute to disease progression. Nevertheless, our understanding of the mechanisms by which ECM rigidity modulates cell behavior and fate remains rudimentary. To address this issue, a number of two and three-dimensional (3D) hydrogel systems have been used to explore the effects of the mechanical properties of the ECM on cell behavior. Unfortunately, many of these systems have limited application because fiber architecture, adhesiveness and/or pore size often change in parallel when gel elasticity is varied. Here we describe the use of ECM-adsorbed, synthetic, self-assembling peptide (SAP) gels that are able to recapitulate normal epithelial acini morphogenesis and gene expression in a 3D context. By exploiting the range of viscoelasticity attainable with these SAP gels, and their ability to recreate native-like ECM fibril topology with minimal variability in ligand density and pore size, we were able to reconstitute normal and tumor-like phenotypes and gene expression patterns in nonmalignant mammary epithelial cells. Accordingly, this SAP hydrogel system presents the first tunable system capable of independently assessing the interplay between ECM stiffness and multi-cellular epithelial phenotype in a 3D context.
C1 [Miroshnikova, Y. A.; Weaver, V. M.] Univ Calif San Francisco, Dept Surg, Ctr Bioengn & Tissue Regenerat, San Francisco, CA 94143 USA.
[Miroshnikova, Y. A.; Sarang-Sieminski, A. L.] FW Olin Coll Engn, Needham, MA 02492 USA.
[Jorgens, D. M.; Auer, M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Spirio, L.] PuraMatrix 3DM Inc, Cambridge, MA 02142 USA.
[Weaver, V. M.] Univ Calif San Francisco, Dept Anat, Eli & Edythe Broad Ctr Regenerat Med, San Francisco, CA 94143 USA.
[Weaver, V. M.] Univ Calif San Francisco, Dept Bioengn & Therapeut Sci, Eli & Edythe Broad Ctr Regenerat Med, San Francisco, CA 94143 USA.
[Weaver, V. M.] Univ Calif San Francisco, Stem Cell Res & Helen Diller Family Comprehens Ca, San Francisco, CA 94143 USA.
RP Weaver, VM (reprint author), Univ Calif San Francisco, Dept Surg, Ctr Bioengn & Tissue Regenerat, San Francisco, CA 94143 USA.
EM Valerie.weaver@ucsfmedctr.org
FU NCI [U54CA143836-01, 5R01CA138818-02]; Department of Defense Breast
Cancer Research [W81XWH-05-1-330]; National Science Foundation
FX We thank C Frantz and J Lakins for technical assistance. This work was
supported by an NCI U54CA143836-01 grant to J Liphardt and VMW, and
5R01CA138818-02 to VMW, a Department of Defense Breast Cancer Research
Era of Hope Scholar award W81XWH-05-1-330 to VMW and a National Science
Foundation (GRFP) Fellowship to YAM.
NR 93
TC 32
Z9 32
U1 1
U2 27
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1478-3967
EI 1478-3975
J9 PHYS BIOL
JI Phys. Biol.
PD APR
PY 2011
VL 8
IS 2
AR 026013
DI 10.1088/1478-3975/8/2/026013
PG 13
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 745VR
UT WOS:000289198800014
PM 21441648
ER
PT J
AU Reichhardt, CJO
Reichhardt, C
Bishop, AR
AF Reichhardt, C. J. Olson
Reichhardt, C.
Bishop, A. R.
TI Anisotropic sliding dynamics, peak effect, and metastability in stripe
systems
SO PHYSICAL REVIEW E
LA English
DT Article
ID HIGH LANDAU-LEVELS; FLUX-LINE-LATTICE; VORTEX-LATTICE; II
SUPERCONDUCTORS; QUENCHED DISORDER; DRIVEN SYSTEMS; MAGNETIC-FIELD;
PHASES; FLOW; TRANSITION
AB A variety of soft and hard condensed matter systems are known to form stripe patterns. Here we use numerical simulations to analyze how such stripe states depin and slide when interacting with a random substrate and with driving in different directions with respect to the orientation of the stripes. Depending on the strength and density of the substrate disorder, we find that there can be pronounced anisotropy in the transport produced by different dynamical flow phases. We also find a disorder-induced "peak effect" similar to that observed for superconducting vortex systems, which is marked by a transition from elastic depinning to a state where the stripe structure fragments or partially disorders at depinning. Under the sudden application of a driving force, we observe pronounced metastability effects similar to those found near the order-disorder transition associated with the peak effect regime for three-dimensional superconducting vortices. The characteristic transient time required for the system to reach a steady state diverges in the region where the flow changes from elastic to disordered. We also find that anisotropy of the flow persists in the presence of thermal disorder when thermally induced particle hopping along the stripes dominates. The thermal effects can wash out the effects of the quenched disorder, leading to a thermally induced stripe state. We map out the dynamical phase diagram for this system, and discuss how our results could be explored in electron liquid crystal systems, type-1.5 superconductors, and pattern-forming colloidal assemblies.
C1 [Reichhardt, C. J. Olson; Reichhardt, C.; Bishop, A. R.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Reichhardt, CJO (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
OI Reichhardt, Cynthia/0000-0002-3487-5089
FU NNSA of the US DoE at LANL [DE-AC52-06NA25396]
FX This work was carried out under the auspices of the NNSA of the US DoE
at LANL under Contract No. DE-AC52-06NA25396.
NR 73
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U1 0
U2 12
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 APR 1
PY 2011
VL 83
IS 4
AR 041501
DI 10.1103/PhysRevE.83.041501
PN 1
PG 17
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA 746GU
UT WOS:000289232200003
PM 21599163
ER
PT J
AU Ho, CK
Khalsa, SS
Kolb, GJ
AF Ho, Clifford K.
Khalsa, Siri S.
Kolb, Gregory J.
TI Methods for probabilistic modeling of concentrating solar power plants
SO SOLAR ENERGY
LA English
DT Article
DE Probabilistic modeling; Uncertainty; Sensitivity; Latin Hypercube
Sampling; Concentrating solar
AB Probabilistic modeling of concentrating solar power technologies provides important information regarding uncertainties and sensitivities not available from deterministic models. Benefits of using probabilistic models include quantification of uncertainties inherent in the system and characterization of their impact on system performance and economics. This paper presents the tools necessary to conduct probabilistic modeling of concentrating solar technologies. The probabilistic method begins with the identification of uncertain variables and the assignment of appropriate distributions for those variables. Those parameters are then sampled using a stratified method (Latin Hypercube Sampling) to ensure complete and representative sampling from each distribution. Models of performance, reliability, and/or cost are then simulated multiple times using the sampled set of parameters. The results yield a cumulative distribution function that can be analyzed to quantify the probability of achieving a particular metric (e.g., net energy output or levelized energy cost) and to rank the importance of the uncertain input parameters. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Ho, Clifford K.; Kolb, Gregory J.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Khalsa, Siri S.] Sandia Staffing Alliance, Concentrating Solar Technol, Albuquerque, NM 87185 USA.
RP Ho, CK (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM ckho@sandia.gov
NR 6
TC 19
Z9 19
U1 0
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0038-092X
J9 SOL ENERGY
JI Sol. Energy
PD APR
PY 2011
VL 85
IS 4
SI SI
BP 669
EP 675
DI 10.1016/j.solener.2010.05.004
PG 7
WC Energy & Fuels
SC Energy & Fuels
GA 745BU
UT WOS:000289139700009
ER
PT J
AU Stebner, A
Gao, XJ
Brown, DW
Brinson, LC
AF Stebner, Aaron
Gao, Xiujie
Brown, Donald W.
Brinson, L. Catherine
TI Neutron diffraction studies and multivariant simulations of shape memory
alloys: Empirical texture development-mechanical response relations of
martensitic nickel-titanium
SO ACTA MATERIALIA
LA English
DT Article
DE Shape memory alloys (SMA); Compression test; Texture; Neutron
diffraction; Twinning
ID NITI-TIC COMPOSITES; TENSILE DEFORMATION; SUPERELASTIC NITI;
PHASE-FRACTION; STRAIN; TRANSFORMATION; REORIENTATION; MODEL; SHEETS
AB Mechanical responses and texture developments were observed in situ during the creation of multiaxial stress states in polycrystalline NiTi parallelepiped specimens, achieved via sequential compression along unique principal axes. For all of the compression stages, regardless of initial texture, the two major texture components behaved similarly: (1 0 0) poles aligned with, while (0 1 1) poles oriented perpendicular to, the loading direction. The effective critical resolved shear stress needed to induce significant reorientation, however, was reduced through prior loading. In the macroscopic responses, prior transverse direction loading resulted in widening of the reorientation plateau, a reduction of the effective Young's modulus, and substantial alteration of effective Poisson's ratios during axial direction straining. Additionally, these empirical results are presented in a manner conducive to the verification of shape memory alloy micromechanics and continuum mechanics constitutive models. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Stebner, Aaron; Brinson, L. Catherine] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
[Gao, Xiujie] Gen Motors R&D, Vehicle Dev Res Lab, Warren, MI 48090 USA.
[Brown, Donald W.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Brinson, L. Catherine] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
RP Brinson, LC (reprint author), Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
EM cbrinson@northwestern.edu
RI Brinson, L. Catherine/B-6678-2009; Brinson, L Catherine/B-1315-2013;
Stebner, Aaron/A-7685-2015
OI Brinson, L Catherine/0000-0003-2551-1563;
FU Office of Basic Energy Sciences of the Department of Energy;
Telezygology, Inc.; Northwestern University; Boeing Company; NASA
FX This work has benefited from the use of the Lujan Neutron Scattering
Center at LANSCE, which is funded by the Office of Basic Energy Sciences
of the Department of Energy. A. S. gratefully acknowledges funding from
Telezygology, Inc. A.S. and L.C.B. gratefully acknowledge funding from
Northwestern University's Predictive Science and Engineering Design
Cluster and Initiative for Sustainability and Energy programs, and The
Boeing Company. X. G. and L.C.B. gratefully acknowledge funding from
NASA Langley.The authors collectively thank Professor Raj Vaidyanathan
at University of Central Florida for providing material and feedback;
Deborah S. Burton at Northwestern University for assisting with the
experiments; Dr. Carlos Tome at LANL for fielding questions and
providing POLE7 [33] (used to create pole figures in preliminary
analysis of these data); as well as Catherine Tupper and Anselm Neuhohr
at Northwestern University and Dr. Santo Padula II at NASA Glenn
Research Center for their valued feedback and discussions.
NR 33
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U1 0
U2 23
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD APR
PY 2011
VL 59
IS 7
BP 2841
EP 2849
DI 10.1016/j.actamat.2011.01.023
PG 9
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 744YM
UT WOS:000289131100027
ER
PT J
AU Wang, L
Bei, H
Gao, YF
Lu, ZP
Nieh, TG
AF Wang, L.
Bei, H.
Gao, Y. F.
Lu, Z. P.
Nieh, T. G.
TI Effect of residual stresses on the hardness of bulk metallic glasses
SO ACTA MATERIALIA
LA English
DT Article
DE Residual stresses; Metallic glasses; Hardness; Nanoindentation; Shear
banding
ID AMORPHOUS-ALLOYS; MECHANICAL-PROPERTIES; SHEAR BANDS; INHOMOGENEOUS
DEFORMATION; SHARP INDENTATION; FREE-VOLUME; NANOINDENTATION; BEHAVIOR;
PLASTICITY; STRAIN
AB Nanoindentation experiments were conducted on Zr-based metallic glass samples, which were elastically and plastically bent in order to investigate the effect of residual stresses on hardness. It was found that tensile residual stress reduced the hardness significantly, while compressive residual stress produced only a small effect on the hardness. These observations are consistent with three-dimensional continuum-plasticity-based finite-element simulations. The hardness was also found to vary more significantly with residual stresses, in particular in tension, than that caused by shear-banding-induced softening, suggesting hardness measurement is a practical method for the evaluation of tensile residual stresses in a metallic glass. Hardness variation in the bent sample was correlated with the residual-stress-induced volume dilatation through a free-volume-based model. In this paper, we also present a detailed stress analysis based on yield asymmetry under tension and compression to describe the distribution of residual stresses in bent metallic glass specimens. The calculations agree well with the hardness variations measured experimentally. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Wang, L.; Gao, Y. F.; Nieh, T. G.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Wang, L.; Lu, Z. P.] Univ Sci & Technol Beijing, State Key Lab Adv Met & Metall Mat, Beijing 100083, Peoples R China.
[Bei, H.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Gao, Y. F.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA.
RP Nieh, TG (reprint author), Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
EM tnieh@utk.edu
RI Gao, Yanfei/F-9034-2010; Lu, Zhao-Ping/A-2718-2009; Nieh,
Tai-Gang/G-5912-2011;
OI Gao, Yanfei/0000-0003-2082-857X; Nieh, Tai-Gang/0000-0002-2814-3746;
Bei, Hongbin/0000-0003-0283-7990
FU US Department of Energy, Office of Basic Energy Sciences
[DE-FG02-06ER46338]; University of Tennessee; Tennessee Agricultural
Experiment Station; UT College of Engineering; US Department of Energy,
Office of Basic Energy Science, Materials Sciences and Engineering
Division; National Science Foundation [DMR 0909037]; National Natural
Science Foundation of China [50725104]; 973 program [2007CB613903]
FX This work (T.G.N. and L.W.) was supported by the US Department of
Energy, Office of Basic Energy Sciences, under contract
DE-FG02-06ER46338 with the University of Tennessee. Instrumentation for
the nanoindentation work was jointly funded by the Tennessee
Agricultural Experiment Station and UT College of Engineering. Work
conducted in ORNL is supported by the US Department of Energy, Office of
Basic Energy Science, Materials Sciences and Engineering Division
(H.B.). Financial support was also provided by the National Science
Foundation under Grant No. DMR 0909037 (Y.F.G.). Z.P.L. is grateful for
support from the National Natural Science Foundation of China (No.
50725104) and the 973 program (No. 2007CB613903).
NR 38
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U1 5
U2 59
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD APR
PY 2011
VL 59
IS 7
BP 2858
EP 2864
DI 10.1016/j.actamat.2011.01.025
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 744YM
UT WOS:000289131100029
ER
PT J
AU Korber, B
Foley, B
AF Korber, Bette
Foley, Brian
TI AIDS Research Pioneer Gerry Myers Dies IN MEMORIAM
SO AIDS RESEARCH AND HUMAN RETROVIRUSES
LA English
DT Biographical-Item
C1 [Korber, Bette; Foley, Brian] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Korber, B (reprint author), Los Alamos Natl Lab, Div Theoret, T10,MS K710, Los Alamos, NM 87545 USA.
EM btk@lanl.gov; btf@lanl.gov
OI Korber, Bette/0000-0002-2026-5757
NR 0
TC 0
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U1 0
U2 2
PU MARY ANN LIEBERT INC
PI NEW ROCHELLE
PA 140 HUGUENOT STREET, 3RD FL, NEW ROCHELLE, NY 10801 USA
SN 0889-2229
J9 AIDS RES HUM RETROV
JI Aids Res. Hum. Retrovir.
PD APR
PY 2011
VL 27
IS 4
BP 453
EP 454
DI 10.1089/aid.2011.1500
PG 2
WC Immunology; Infectious Diseases; Virology
SC Immunology; Infectious Diseases; Virology
GA 744DM
UT WOS:000289074400016
PM 21456886
ER
PT J
AU Marcus, RK
Quarles, CD
Barinaga, CJ
Carado, AJ
Koppenaal, DW
AF Marcus, R. Kenneth
Quarles, C. Derrick, Jr.
Barinaga, Charles J.
Carado, Anthony J.
Koppenaal, David W.
TI Liquid Sampling-Atmospheric Pressure Glow Discharge Ionization Source
for Elemental Mass Spectrometry
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID OPTICAL-EMISSION SOURCE; ION-SOURCE; ELECTROLYTE; MEDIA
AB A new, low power ionization source for elemental MS analysis of aqueous solutions is described. The liquid sampling-atmospheric pressure grow discharge (LS-APGD) operates by a process wherein the surface of the liquid emanating from a 75 mu m i.d. glass capillary acts as the cathode of the direct current glow discharge. Analyte-containing solutions at a flow rate of 100 mu L min(-1) are vaporized by the passage of current, yielding gas phase solutes that are subsequently ionized in the <5 W (maximum of 60 mA and 500 V), similar to 1 mm(3) volume, plasma. The LS-APGD is mounted in place of the normal electrospray ionization source of a Thermo Scientific Exactive Orbitrap mass spectrometer system without any other modifications. Basic operating characteristics are described, including the role of discharge power on mass spectral composition, the ability to obtain ultrahigh resolution elemental isotopic patterns, and demonstration of potential limits of detection based on the injection of aliquots of multielement standards (S/N > 1000 for 5 ng mL(-1) Cs). While much optimization remains, it is believed that the LS-APGD ion source may present a practical alternative to high-powered (>1 kW) plasma sources typically employed in elemental mass spectrometry, particularly for those cases where costs, operational overhead, simplicity, or integrated elemental/molecular analysis considerations are important.
C1 [Marcus, R. Kenneth; Quarles, C. Derrick, Jr.] Clemson Univ, Dept Chem, Clemson, SC 29634 USA.
[Barinaga, Charles J.; Carado, Anthony J.; Koppenaal, David W.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Marcus, RK (reprint author), Clemson Univ, Dept Chem, Biosyst Res Complex, Clemson, SC 29634 USA.
EM marcusr@clemson.edu
FU US DOE [DE-AC06-76RLO-1830]; U.S. Department of Energy; DOE Office of
Non-Proliferation Research and Engineering [NA22]
FX This work was performed at Pacific Northwest National Laboratory,
operated for the US DOE by Batelle Memorial Institute under Contract
DE-AC06-76RLO-1830. The Exactive MS capability was provided by the W. R.
Wiley Environmental Molecular Science Laboratory, a national scientific
user facility sponsored by the U.S. Department of Energy's Office of
Biological and Environmental Research (BER) program. Support for this
work was provided by the DOE Office of Non-Proliferation Research and
Engineering (NA22).
NR 22
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U1 3
U2 31
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0003-2700
J9 ANAL CHEM
JI Anal. Chem.
PD APR 1
PY 2011
VL 83
IS 7
BP 2425
EP 2429
DI 10.1021/ac200098h
PG 5
WC Chemistry, Analytical
SC Chemistry
GA 741TM
UT WOS:000288887700004
PM 21355580
ER
PT J
AU Isselhardt, BH
Savina, MR
Knight, KB
Pellin, MJ
Hutcheon, ID
Prussin, SG
AF Isselhardt, B. H.
Savina, M. R.
Knight, K. B.
Pellin, M. J.
Hutcheon, I. D.
Prussin, S. G.
TI Improving Precision in Resonance Ionization Mass Spectrometry: Influence
of Laser Bandwidth in Uranium Isotope Ratio Measurements
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID ENVIRONMENTAL-SAMPLES; SURFACE-ANALYSIS; TRACE ANALYSIS; PLUTONIUM;
SPECTROSCOPY; ATOMS; RIMS
AB The use of broad bandwidth lasers with automated feedback control of wavelength was applied to the measurement of (235)U/(238)U ratios by resonance ionization mass spectrometry (RIMS) to decrease laser-induced isotopic fractionation. By broadening the bandwidth of the first laser in a three-color, three-photon ionization process from a bandwidth of 1.8 GHz to about 10 GHz, the variation in sequential relative isotope abundance measurements decreased from 10% to less than 0.5%. This procedure was demonstrated for the direct interrogation of uranium oxide targets with essentially no sample preparation.
C1 [Isselhardt, B. H.; Prussin, S. G.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
[Isselhardt, B. H.; Knight, K. B.; Hutcheon, I. D.] Lawrence Livermore Natl Lab, Glenn Seaborg Inst, Livermore, CA USA.
[Savina, M. R.; Pellin, M. J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Isselhardt, BH (reprint author), 4155 Etcheverry Hall,MC 1730, Berkeley, CA 94720 USA.
EM isselhardt@berkeley.edu
RI Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; LLNL [10-SI-016]; Department of Energy Office of
Nonproliferation Research and Development; Department of Homeland
Security; U.S. Department of Energy, Basic Energy Sciences, Division of
Material Sciences and Engineering [DEAC02-06CH11357.LLNL-JRNL-458116]
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 work was funded by the Laboratory Directed
Research and Development Program at LLNL under Project 10-SI-016, as
well as with support from the Department of Energy Office of
Nonproliferation Research and Development and the Department of Homeland
Security. The CHARISMA facility at Argonne National Laboratory is funded
by the U.S. Department of Energy, Basic Energy Sciences, Division of
Material Sciences and Engineering under Award
DEAC02-06CH11357.LLNL-JRNL-458116.
NR 26
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U1 0
U2 26
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0003-2700
J9 ANAL CHEM
JI Anal. Chem.
PD APR 1
PY 2011
VL 83
IS 7
BP 2469
EP 2475
DI 10.1021/ac102586v
PG 7
WC Chemistry, Analytical
SC Chemistry
GA 741TM
UT WOS:000288887700011
PM 21410136
ER
PT J
AU Fu, ZF
Shao, GC
Wang, J
Lu, DL
Wang, WJ
Lin, YH
AF Fu, Zhifeng
Shao, Guocheng
Wang, Jun
Lu, Donglai
Wang, Wanjun
Lin, Yuehe
TI Microfabricated Renewable Beads-Trapping/Releasing Flow Cell for Rapid
Antigen-Antibody Reaction in Chemiluminescent Immunoassay
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID MICROFLUIDIC IMMUNOSENSOR; INJECTION-ANALYSIS; ASSAY; CHIP;
FLUORESCENCE; ACID; AMPLIFICATION; CHLORPYRIFOS; INTEGRATION;
SENSITIVITY
AB A renewable flow cell integrating a microstructured pillar-array filter and a pneumatic microvalve was microfabricated to trap and release beads. A bead-based immunoassay using this device was also developed. This microfabricated device consists of a microfluidic channel connecting to a beads chamber in which the pillar-array filter is built. Underneath the filter, there is a pneumatic microvalve built across the chamber. Such a device can trap and release beads in the chamber by "closing" or "opening" the microvalve. On the basis of the pneumatic microvalve, the device can trap beads in the chamber before performing an assay and release the used beads after the assay. Therefore, this microfabricated device is suitable for "renewable surface analysis". A model analyte, 3,5,6-trichloropyridinol (TCP), was chosen to demonstrate the analytical performance of the device. The entire fluidic assay process, including beads trapping, immuno binding, beads washing, beads releasing, and chemiluminesence signal collection, could be completed in 10 min. The immunoassay of TCP using this microfabricated device showed a linear range of 0.20-70 ng/mL with a limit of detection of 0.080 ng/mL. The device was successfully used to detect TCP spiked in human plasma at the concentration range of 1.0-50 ng/mL, with an analytical recovery of 81-110%. The results demonstrated that this device can provide a rapid, sensitive, reusable, low-cost, and automatic tool for detecting various biomarkers in biological fluids.
C1 Southwest Univ, Coll Pharmaceut Sci, Key Lab Luminescence & Real Time Anal, Minist Educ, Chongqing 400716, Peoples R China.
[Fu, Zhifeng; Shao, Guocheng; Wang, Jun; Lu, Donglai; Lin, Yuehe] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Shao, Guocheng; Wang, Wanjun] Louisiana State Univ, Dept Mech Engn, Baton Rouge, LA 70803 USA.
RP Wang, J (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM jun.wang@pnl.gov; yuehe.lin@pnl.gov
RI Lin, Yuehe/D-9762-2011; Shao, Guocheng/D-2307-2012
OI Lin, Yuehe/0000-0003-3791-7587;
FU National Institute of Environmental Health Sciences [U54 ES16015];
National Institute of Health (NIH); NIH through the National Institute
of Neurological Disorders and Stroke [U01 NS058161-01]; U.S. Department
of Energy [DE-AC05-76RL01830]; PNNL; Natural Science Foundation of China
[20805036]
FX This work was supported partially by Grant U54 ES16015 from the National
Institute of Environmental Health Sciences, the National Institute of
Health (NIH), and Grant U01 NS058161-01 from the NIH CounterACT Program
through the National Institute of Neurological Disorders and Stroke. Its
contents are solely the responsibility of the authors and do not
necessarily represent the official views of the federal government. A
portion of the research was performed using the Microfabrication
Laboratory in the Environmental Molecular Sciences Laboratory, a
national scientific user facility sponsored by the U.S. Department of
Energy's Office of Biological and Environmental Research and located at
Pacific Northwest National Laboratory (PNNL). PNNL, is operated for the
U.S. Department of Energy by Battelle under Contract DE-AC05-76RL01830.
Z.F. acknowledges a fellowship from PNNL and financial support from the
Natural Science Foundation of China (20805036).
NR 40
TC 17
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U1 7
U2 63
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0003-2700
J9 ANAL CHEM
JI Anal. Chem.
PD APR 1
PY 2011
VL 83
IS 7
BP 2685
EP 2690
DI 10.1021/ac1032116
PG 6
WC Chemistry, Analytical
SC Chemistry
GA 741TM
UT WOS:000288887700040
PM 21366237
ER
PT J
AU Creutz, M
AF Creutz, Michael
TI Anomalies, gauge field topology, and the lattice
SO ANNALS OF PHYSICS
LA English
DT Article
DE Chiral symmetry; Anomalies; Gauge field topology
ID EXACTLY MASSLESS QUARKS; MONTE-CARLO; QCD; INSTANTONS; FERMIONS; U(1)
AB Motivated by the connection between gauge field topology and the axial anomaly in fermion currents, I suggest that the fourth power of the naive Dirac operator can provide a natural method to define a local lattice measure of topological charge. For smooth gauge fields this reduces to the usual topological density. For typical gauge field configurations in a numerical simulation, however, quantum fluctuations dominate, and the sum of this density over the system does not generally give an integer winding. On cooling with respect to the Wilson gauge action, instanton like structures do emerge. As cooling proceeds, these objects tend shrink and finally "fall through the lattice." Modifying the action can block the shrinking at the expense of a loss of reflection positivity. The cooling procedure is highly sensitive to the details of the initial steps, suggesting that quantum fluctuations induce a small but fundamental ambiguity in the definition of topological susceptibility. (C) 2010 Elsevier Inc. All rights reserved.
C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Creutz, M (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM creutz@bnl.gov
FU Alexander von Humboldt Foundation; U.S. Department of Energy
[DE-AC02-98CH10886]
FX I am grateful to the Alexander von Humboldt Foundation for supporting
visits to the University of Mainz where part of this study was carried
out. This manuscript has been authored by employees of Brookhaven
Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the
U.S. Department of Energy. The publisher by accepting the manuscript 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.
NR 32
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U1 0
U2 3
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0003-4916
J9 ANN PHYS-NEW YORK
JI Ann. Phys.
PD APR
PY 2011
VL 326
IS 4
BP 911
EP 925
DI 10.1016/j.aop.2010.10.011
PG 15
WC Physics, Multidisciplinary
SC Physics
GA 742GB
UT WOS:000288928200007
ER
PT J
AU Heilmann, RK
Ahn, M
Bruccoleri, A
Chang, CH
Gullikson, EM
Mukherjee, P
Schattenburg, ML
AF Heilmann, Ralf K.
Ahn, Minseung
Bruccoleri, Alex
Chang, Chih-Hao
Gullikson, Eric M.
Mukherjee, Pran
Schattenburg, Mark L.
TI Diffraction efficiency of 200-nm-period critical-angle transmission
gratings in the soft x-ray and extreme ultraviolet wavelength bands
SO APPLIED OPTICS
LA English
DT Article
ID ON-INSULATOR WAFERS; NANOIMPRINT LITHOGRAPHY; FABRICATION; SCATTERING;
METROLOGY; ARRAYS
AB We report on measurements of the diffraction efficiency of 200-nm-period freestanding blazed transmission gratings for wavelengths in the 0.96 to 19.4 nm range. These critical-angle transmission (CAT) gratings achieve highly efficient blazing over a broad band via total external reflection off the sidewalls of smooth, tens of nanometer thin ultrahigh aspect-ratio silicon grating bars and thus combine the advantages of blazed x-ray reflection gratings with those of more conventional x-ray transmission gratings. Prototype gratings with maximum depths of 3.2 and 6 mu m were investigated at two different blaze angles. In these initial CAT gratings the grating bars are monolithically connected to a cross support mesh that only leaves less than half of the grating area unobstructed. Because of our initial fabrication approach, the support mesh bars feature a strongly trapezoidal cross section that leads to varying CAT grating depths and partial absorption of diffracted orders. While theory predicts broadband absolute diffraction efficiencies as high as 60% for ideal CAT gratings without a support mesh, experimental results show efficiencies in the range of similar to 50-100% of theoretical predictions when taking the effects of the support mesh into account. Future minimization of the support mesh therefore promises broadband CAT grating absolute diffraction efficiencies of 50% or higher. (C) 2011 Optical Society of America
C1 [Heilmann, Ralf K.; Ahn, Minseung; Bruccoleri, Alex; Chang, Chih-Hao; Mukherjee, Pran; Schattenburg, Mark L.] MIT, MIT Kavli Inst Astrophys & Space Res, Space Nanotechnol Lab, Cambridge, MA 02139 USA.
[Gullikson, Eric M.] Univ Calif Berkeley, Lawrence Berkeley Lab, CXRO, Berkeley, CA 94720 USA.
RP Heilmann, RK (reprint author), MIT, MIT Kavli Inst Astrophys & Space Res, Space Nanotechnol Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA.
EM ralf@space.mit.edu
RI Chang, Chih-Hao/E-9642-2011; Heilmann, Ralf/D-4680-2009
FU National Aeronautics and Space Administration [NNX07AG98G, NNX08AI62G];
Office of Science, Office of Basic Energy Sciences, Materials Sciences
Division, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX We gratefully acknowledge technical support from R. C. Fleming (Space
Nanotechnology Laboratory), as well as facilities support from the Space
Nanotechnology Laboratory, the Nanostructures Laboratory, and the
Microsystems Technology Laboratories (all at MIT). This work was
supported by National Aeronautics and Space Administration grants
NNX07AG98G and NNX08AI62G. The Advanced Light Source at Lawrence
Berkeley National Laboratory is supported by the Director, Office of
Science, Office of Basic Energy Sciences, Materials Sciences Division,
of the U.S. Department of Energy under contract DE-AC02-05CH11231.
NR 23
TC 18
Z9 18
U1 0
U2 13
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 1559-128X
EI 2155-3165
J9 APPL OPTICS
JI Appl. Optics
PD APR 1
PY 2011
VL 50
IS 10
BP 1364
EP 1373
DI 10.1364/AO.50.001364
PG 10
WC Optics
SC Optics
GA 744CF
UT WOS:000289070300013
PM 21460902
ER
PT J
AU Mahurin, SM
John, J
Sepaniak, MJ
Dai, S
AF Mahurin, Shannon M.
John, Joshy
Sepaniak, Michael J.
Dai, Sheng
TI A Reusable Surface-Enhanced Raman Scattering (SERS) Substrate Prepared
by Atomic Layer Deposition of Alumina on a Multi-Layer Gold and Silver
Film
SO APPLIED SPECTROSCOPY
LA English
DT Article
DE Surface-enhanced Raman scattering; SERS; Atomic layer deposition;
Reusable substrates
ID ISLAND FILMS; SPECTROSCOPY; NANOPARTICLES; SILICA; MORPHOLOGY;
STABILITY; MOLECULES; ULTRATHIN; COLLOIDS; SPECTRA
AB A thermally stable, reusable surface-enhanced Raman scattering (SERS) substrate consisting of a gold/silver hi-layer film with a protective alumina coating is reported. The film is synthesized by thermally evaporating sequential layers of gold and silver followed by coating an ultra-thin alumina layer using atomic layer deposition. The use of gold as the foundational layer improves the thermal stability of the metal bi-layer film while providing the additional ability to tune the SERS response. Deposition of the thin alumina overlayer on the hi-layer film creates a SERS substrate capable of enduring multiple high-temperature exposures to 400 degrees C with minimal loss of enhancement capabilities. We demonstrate the multi-use capability of the substrate by measuring the SERS spectrum of rhodamine 6G followed by a thermal treatment at 400 degrees C to remove the analyte. A representative substrate was used to acquire SERS spectra of rhodamine 6G up to live repeat measurements, thus establishing the reusability of this relatively simple, inexpensive, and stable substrate.
C1 [Mahurin, Shannon M.; John, Joshy; Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[John, Joshy; Sepaniak, Michael J.; Dai, Sheng] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
RP Mahurin, SM (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
EM mahurinsm@ornl.gov; dais@ornl.gov
RI Dai, Sheng/K-8411-2015
OI Dai, Sheng/0000-0002-8046-3931
FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, U.S. Department of Energy; Division of Scientific
User Facilities, U.S. Department of Energy
FX Research sponsored by the Division of Chemical Sciences, Geosciences,
and Biosciences, Office of Basic Energy Sciences, U.S. Department of
Energy. Scanning electron microscopy was performed at the Shared
Research Equipment (SHaRE) user facility, which is sponsored at Oak
Ridge National Laboratory by the Division of Scientific User Facilities,
U.S. Department of Energy.
NR 35
TC 17
Z9 17
U1 2
U2 35
PU SOC APPLIED SPECTROSCOPY
PI FREDERICK
PA 5320 SPECTRUM DRIVE SUITE C, FREDERICK, MD 21703 USA
SN 0003-7028
J9 APPL SPECTROSC
JI Appl. Spectrosc.
PD APR
PY 2011
VL 65
IS 4
BP 417
EP 422
DI 10.1366/10-05930
PG 6
WC Instruments & Instrumentation; Spectroscopy
SC Instruments & Instrumentation; Spectroscopy
GA 743IX
UT WOS:000289013100010
PM 21396189
ER
PT J
AU Aihara, H
Prieto, CA
An, D
Anderson, SF
Aubourg, E
Balbinot, E
Beers, TC
Berlind, AA
Bickerton, SJ
Bizyaev, D
Blanton, MR
Bochanski, JJ
Bolton, AS
Bovy, J
Brandt, WN
Brinkmann, J
Brown, PJ
Brownstein, JR
Busca, NG
Campbell, H
Carr, MA
Chen, YM
Chiappini, C
Comparat, J
Connolly, N
Cortes, M
Croft, RAC
Cuesta, AJ
da Costa, LN
Davenport, JRA
Dawson, K
Dhital, S
Ealet, A
Ebelke, GL
Edmondson, EM
Eisenstein, DJ
Escoffier, S
Esposito, M
Evans, ML
Fan, XH
Castella, BF
Font-Ribera, A
Frinchaboy, PM
Ge, JA
Gillespie, BA
Gilmore, G
Hernandez, JIG
Gott, JR
Gould, A
Grebel, EK
Gunn, JE
Hamilton, JC
Harding, P
Harris, DW
Hawley, SL
Hearty, FR
Ho, S
Hogg, DW
Holtzman, JA
Honscheid, K
Inada, N
Ivans, II
Jiang, LH
Johnson, JA
Jordan, C
Jordan, WP
Kazin, EA
Kirkby, D
Klaene, MA
Knapp, GR
Kneib, JP
Kochanek, CS
Koesterke, L
Kollmeier, JA
Kron, RG
Lampeitl, H
Lang, D
Le Goff, JM
Lee, YS
Lin, YT
Long, DC
Loomis, CP
Lucatello, S
Lundgren, B
Lupton, RH
Ma, ZB
MacDonald, N
Mahadevan, S
Maia, MAG
Makler, M
Malanushenko, E
Malanushenko, V
Mandelbaum, R
Maraston, C
Margala, D
Masters, KL
McBride, CK
McGehee, PM
McGreer, ID
Menard, B
Miralda-Escude, J
Morrison, HL
Mullally, F
Muna, D
Munn, JA
Murayama, H
Myers, AD
Naugle, T
Neto, AF
Nguyen, DC
Nichol, RC
O'Connell, RW
Ogando, RLC
Olmstead, MD
Oravetz, DJ
Padmanabhan, N
Palanque-Delabrouille, N
Pan, K
Pandey, P
Paris, I
Percival, WJ
Petitjean, P
Pfaffenberger, R
Pforr, J
Phleps, S
Pichon, C
Pieri, MM
Prada, F
Price-Whelan, AM
Raddick, MJ
Ramos, BHF
Reyle, C
Rich, J
Richards, GT
Rix, HW
Robin, AC
Rocha-Pinto, HJ
Rockosi, CM
Roe, NA
Rollinde, E
Ross, AJ
Ross, NP
Rossetto, BM
Sanchez, AG
Sayres, C
Schlegel, DJ
Schlesinger, KJ
Schmidt, SJ
Schneider, DP
Sheldon, E
Shu, YP
Simmerer, J
Simmons, AE
Sivarani, T
Snedden, SA
Sobeck, JS
Steinmetz, M
Strauss, MA
Szalay, AS
Tanaka, M
Thakar, AR
Thomas, D
Tinker, JL
Tofflemire, BM
Tojeiro, R
Tremonti, CA
Vandenberg, J
Magana, MV
Verde, L
Vogt, NP
Wake, DA
Wang, J
Weaver, BA
Weinberg, DH
White, M
White, SDM
Yanny, B
Yasuda, N
Yeche, C
Zehavi, I
AF Aihara, Hiroaki
Allende Prieto, Carlos
An, Deokkeun
Anderson, Scott F.
Aubourg, Eric
Balbinot, Eduardo
Beers, Timothy C.
Berlind, Andreas A.
Bickerton, Steven J.
Bizyaev, Dmitry
Blanton, Michael R.
Bochanski, John J.
Bolton, Adam S.
Bovy, Jo
Brandt, W. N.
Brinkmann, J.
Brown, Peter J.
Brownstein, Joel R.
Busca, Nicolas G.
Campbell, Heather
Carr, Michael A.
Chen, Yanmei
Chiappini, Cristina
Comparat, Johan
Connolly, Natalia
Cortes, Marina
Croft, Rupert A. C.
Cuesta, Antonio J.
da Costa, Luiz N.
Davenport, James R. A.
Dawson, Kyle
Dhital, Saurav
Ealet, Anne
Ebelke, Garrett L.
Edmondson, Edward M.
Eisenstein, Daniel J.
Escoffier, Stephanie
Esposito, Massimiliano
Evans, Michael L.
Fan, Xiaohui
Femenia Castella, Bruno
Font-Ribera, Andreu
Frinchaboy, Peter M.
Ge, Jian
Gillespie, Bruce A.
Gilmore, G.
Gonzalez Hernandez, Jonay I.
Gott, J. Richard
Gould, Andrew
Grebel, Eva K.
Gunn, James E.
Hamilton, Jean-Christophe
Harding, Paul
Harris, David W.
Hawley, Suzanne L.
Hearty, Frederick R.
Ho, Shirley
Hogg, David W.
Holtzman, Jon A.
Honscheid, Klaus
Inada, Naohisa
Ivans, Inese I.
Jiang, Linhua
Johnson, Jennifer A.
Jordan, Cathy
Jordan, Wendell P.
Kazin, Eyal A.
Kirkby, David
Klaene, Mark A.
Knapp, G. R.
Kneib, Jean-Paul
Kochanek, C. S.
Koesterke, Lars
Kollmeier, Juna A.
Kron, Richard G.
Lampeitl, Hubert
Lang, Dustin
Le Goff, Jean-Marc
Lee, Young Sun
Lin, Yen-Ting
Long, Daniel C.
Loomis, Craig P.
Lucatello, Sara
Lundgren, Britt
Lupton, Robert H.
Ma, Zhibo
MacDonald, Nicholas
Mahadevan, Suvrath
Maia, Marcio A. G.
Makler, Martin
Malanushenko, Elena
Malanushenko, Viktor
Mandelbaum, Rachel
Maraston, Claudia
Margala, Daniel
Masters, Karen L.
McBride, Cameron K.
McGehee, Peregrine M.
McGreer, Ian D.
Menard, Brice
Miralda-Escude, Jordi
Morrison, Heather L.
Mullally, F.
Muna, Demitri
Munn, Jeffrey A.
Murayama, Hitoshi
Myers, Adam D.
Naugle, Tracy
Neto, Angelo Fausti
Duy Cuong Nguyen
Nichol, Robert C.
O'Connell, Robert W.
Ogando, Ricardo L. C.
Olmstead, Matthew D.
Oravetz, Daniel J.
Padmanabhan, Nikhil
Palanque-Delabrouille, Nathalie
Pan, Kaike
Pandey, Parul
Paris, Isabelle
Percival, Will J.
Petitjean, Patrick
Pfaffenberger, Robert
Pforr, Janine
Phleps, Stefanie
Pichon, Christophe
Pieri, Matthew M.
Prada, Francisco
Price-Whelan, Adrian M.
Raddick, M. Jordan
Ramos, Beatriz H. F.
Reyle, Celine
Rich, James
Richards, Gordon T.
Rix, Hans-Walter
Robin, Annie C.
Rocha-Pinto, Helio J.
Rockosi, Constance M.
Roe, Natalie A.
Rollinde, Emmanuel
Ross, Ashley J.
Ross, Nicholas P.
Rossetto, Bruno M.
Sanchez, Ariel G.
Sayres, Conor
Schlegel, David J.
Schlesinger, Katharine J.
Schmidt, Sarah J.
Schneider, Donald P.
Sheldon, Erin
Shu, Yiping
Simmerer, Jennifer
Simmons, Audrey E.
Sivarani, Thirupathi
Snedden, Stephanie A.
Sobeck, Jennifer S.
Steinmetz, Matthias
Strauss, Michael A.
Szalay, Alexander S.
Tanaka, Masayuki
Thakar, Aniruddha R.
Thomas, Daniel
Tinker, Jeremy L.
Tofflemire, Benjamin M.
Tojeiro, Rita
Tremonti, Christy A.
Vandenberg, Jan
Magana, M. Vargas
Verde, Licia
Vogt, Nicole P.
Wake, David A.
Wang, Ji
Weaver, Benjamin A.
Weinberg, David H.
White, Martin
White, Simon D. M.
Yanny, Brian
Yasuda, Naoki
Yeche, Christophe
Zehavi, Idit
TI THE EIGHTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY: FIRST DATA FROM
SDSS-III
SO ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
LA English
DT Article
DE atlases; catalogs; surveys
ID SPECTROSCOPIC TARGET SELECTION; STAR-FORMING GALAXIES; 7TH DATA RELEASE;
OPEN CLUSTERS; WHITE-DWARFS; USNO-B; SEGUE; RESOLUTION; TELESCOPE;
CATALOG
AB The Sloan Digital Sky Survey (SDSS) started a new phase in 2008 August, with new instrumentation and new surveys focused on Galactic structure and chemical evolution, measurements of the baryon oscillation feature in the clustering of galaxies and the quasar Ly alpha forest, and a radial velocity search for planets around similar to 8000 stars. This paper describes the first data release of SDSS-III (and the eighth counting from the beginning of the SDSS). The release includes five-band imaging of roughly 5200 deg(2) in the southern Galactic cap, bringing the total footprint of the SDSS imaging to 14,555 deg(2), or over a third of the Celestial Sphere. All the imaging data have been reprocessed with an improved sky-subtraction algorithm and a final, self-consistent photometric recalibration and flat-field determination. This release also includes all data from the second phase of the Sloan Extension for Galactic Understanding and Exploration (SEGUE-2), consisting of spectroscopy of approximately 118,000 stars at both high and low Galactic latitudes. All the more than half a million stellar spectra obtained with the SDSS spectrograph have been reprocessed through an improved stellar parameter pipeline, which has better determination of metallicity for high-metallicity stars.
C1 [Bickerton, Steven J.; Carr, Michael A.; Gott, J. Richard; Gunn, James E.; Knapp, G. R.; Lang, Dustin; Loomis, Craig P.; Lupton, Robert H.; Mandelbaum, Rachel; Mullally, F.; Strauss, Michael A.] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA.
[Aihara, Hiroaki; Lin, Yen-Ting; Menard, Brice; Murayama, Hitoshi; Tanaka, Masayuki; Yasuda, Naoki] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778583, Japan.
[Allende Prieto, Carlos; Esposito, Massimiliano; Femenia Castella, Bruno; Gonzalez Hernandez, Jonay I.] Inst Astrofis Canarias, E-38205 Tenerife, Spain.
[Allende Prieto, Carlos; Esposito, Massimiliano; Femenia Castella, Bruno] Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain.
[An, Deokkeun] Ewha Womans Univ, Dept Sci Educ, Seoul 120750, South Korea.
[Anderson, Scott F.; Davenport, James R. A.; Evans, Michael L.; Hawley, Suzanne L.; Sayres, Conor; Schmidt, Sarah J.; Tofflemire, Benjamin M.] Univ Washington, Dept Astron, Seattle, WA 98195 USA.
[Aubourg, Eric; Hamilton, Jean-Christophe; Magana, M. Vargas] Univ Paris Diderot, Astroparticule & Cosmol APC, F-75205 Paris 13, France.
[Aubourg, Eric; Le Goff, Jean-Marc; Palanque-Delabrouille, Nathalie; Rich, James; Yeche, Christophe] CEA, Ctr Saclay, Irfu SPP, F-91191 Gif Sur Yvette, France.
[Balbinot, Eduardo; Neto, Angelo Fausti] Univ Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil.
[Balbinot, Eduardo; Chiappini, Cristina; da Costa, Luiz N.; Maia, Marcio A. G.; Makler, Martin; Neto, Angelo Fausti; Ogando, Ricardo L. C.; Ramos, Beatriz H. F.; Rocha-Pinto, Helio J.; Rossetto, Bruno M.] Lab Interinst E Astron LIneA, BR-20921400 Rio De Janeiro, Brazil.
[Beers, Timothy C.; Lee, Young Sun] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Beers, Timothy C.; Lee, Young Sun] Michigan State Univ, Joint Inst Nucl Astrophys, E Lansing, MI 48824 USA.
[Berlind, Andreas A.; Dhital, Saurav; McBride, Cameron K.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Bizyaev, Dmitry; Brinkmann, J.; Ebelke, Garrett L.; Gillespie, Bruce A.; Jordan, Cathy; Jordan, Wendell P.; Klaene, Mark A.; Long, Daniel C.; Malanushenko, Elena; Malanushenko, Viktor; Naugle, Tracy; Oravetz, Daniel J.; Pan, Kaike; Simmons, Audrey E.; Snedden, Stephanie A.] Apache Point Observ, Sunspot, NM 88349 USA.
[Blanton, Michael R.; Bovy, Jo; Hogg, David W.; Kazin, Eyal A.; Muna, Demitri; Price-Whelan, Adrian M.; Tinker, Jeremy L.; Weaver, Benjamin A.] NYU, Ctr Cosmol & Particle Phys, New York, NY 10003 USA.
[Bochanski, John J.; Brandt, W. N.; Mahadevan, Suvrath; Schneider, Donald P.] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA.
[Bolton, Adam S.; Brown, Peter J.; Brownstein, Joel R.; Dawson, Kyle; Harris, David W.; Ivans, Inese I.; Olmstead, Matthew D.; Pandey, Parul; Shu, Yiping; Simmerer, Jennifer] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.
[Brandt, W. N.] Penn State Univ, Inst Gravitat & Cosmos, University Pk, PA 16802 USA.
[Campbell, Heather; Edmondson, Edward M.; Lampeitl, Hubert; Maraston, Claudia; Masters, Karen L.; Nichol, Robert C.; Percival, Will J.; Pforr, Janine; Ross, Ashley J.; Thomas, Daniel; Tojeiro, Rita] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England.
[Chen, Yanmei; Tremonti, Christy A.] Univ Wisconsin, Dept Astron, Madison, WI 53703 USA.
[Chiappini, Cristina; Steinmetz, Matthias] Astrophys Inst Potsdam, D-14482 Potsdam, Germany.
[Chiappini, Cristina] Ist Nazl Astrofis, I-34143 Trieste, Italy.
[Comparat, Johan; Kneib, Jean-Paul] Univ Aix Marseille 1, CNRS, Lab Astrophys Marseille, F-13388 Marseille 13, France.
[Connolly, Natalia] Hamilton Coll, Dept Phys, Clinton, NY 13323 USA.
[Cortes, Marina; Ho, Shirley; Roe, Natalie A.; Ross, Nicholas P.; Schlegel, David J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Croft, Rupert A. C.] Carnegie Mellon Univ, Bruce & Astrid McWilliams Ctr Cosmol, Pittsburgh, PA 15213 USA.
[Cuesta, Antonio J.; Lundgren, Britt; Padmanabhan, Nikhil; Wake, David A.] Yale Univ, Yale Ctr Astron & Astrophys, New Haven, CT 06520 USA.
[da Costa, Luiz N.; Maia, Marcio A. G.; Ogando, Ricardo L. C.; Ramos, Beatriz H. F.] Observ Nacl, BR-20921400 Rio De Janeiro, Brazil.
[Ealet, Anne; Escoffier, Stephanie] Aix Marseille Univ, CNRS, IN2P3, Ctr Phys Particules Marseille, Marseille, France.
[Ebelke, Garrett L.; Holtzman, Jon A.; Jordan, Wendell P.; Pfaffenberger, Robert; Vogt, Nicole P.] New Mexico State Univ, Dept Astron, Las Cruces, NM 88003 USA.
[Eisenstein, Daniel J.; Fan, Xiaohui; Jiang, Linhua; McGreer, Ian D.; Szalay, Alexander S.] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA.
[Eisenstein, Daniel J.] Harvard Coll Observ, Cambridge, MA 02138 USA.
[Font-Ribera, Andreu] CSIC, IEEC, Inst Ciencies Espai, E-08193 Barcelona, Spain.
[Frinchaboy, Peter M.] Texas Christian Univ, Dept Phys & Astron, Ft Worth, TX 76129 USA.
[Ge, Jian; Duy Cuong Nguyen; Wang, Ji] Univ Florida, Dept Astron, Bryant Space Sci Ctr, Gainesville, FL 32611 USA.
[Gilmore, G.] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England.
[Gould, Andrew; Johnson, Jennifer A.; Kochanek, C. S.; Pieri, Matthew M.; Schlesinger, Katharine J.; Weinberg, David H.] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA.
[Grebel, Eva K.; Sivarani, Thirupathi] Univ Heidelberg, Zentrum Astron, Astron Rechen Inst, D-69120 Heidelberg, Germany.
[Harding, Paul; Ma, Zhibo; Morrison, Heather L.; Zehavi, Idit] Case Western Reserve Univ, Dept Astron, Cleveland, OH 44106 USA.
[Hearty, Frederick R.; O'Connell, Robert W.] Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA.
[Honscheid, Klaus] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA.
[Inada, Naohisa] Univ Tokyo, Grad Sch Sci, Res Ctr Early Universe, Bunkyo Ku, Tokyo 1130033, Japan.
[Kirkby, David; Margala, Daniel] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
[Koesterke, Lars] Univ Texas Austin, Texas Adv Comp Ctr, Austin, TX 78758 USA.
[Kollmeier, Juna A.] Observ Carnegie Inst Washington, Pasadena, CA 91101 USA.
[Kron, Richard G.; Yanny, Brian] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Kron, Richard G.; Sobeck, Jennifer S.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Lin, Yen-Ting] Acad Sinica, Inst Astron & Astrophys, Taipei 10617, Taiwan.
[Lucatello, Sara] INAF, Osservatorio Astrono Padova, I-35122 Padua, Italy.
[Mahadevan, Suvrath; Schneider, Donald P.] Penn State Univ, Ctr Exoplanets & Habitable Worlds, Davey Lab 525, University Pk, PA 16802 USA.
[Makler, Martin] ICRA, Ctr Brasileiro Pesquisas Fis, BR-22290180 Rio De Janeiro, Brazil.
[McGehee, Peregrine M.] CALTECH, IPAC, Pasadena, CA 91125 USA.
[Menard, Brice] Univ Toronto, CITA, Toronto, ON M5S 3H8, Canada.
[Menard, Brice; Raddick, M. Jordan; Szalay, Alexander S.; Thakar, Aniruddha R.; Vandenberg, Jan] Johns Hopkins Univ, Dept Phys & Astron, Ctr Astrophys Sci, Baltimore, MD 21218 USA.
[Miralda-Escude, Jordi; Verde, Licia] Inst Catalana Recerca & Estudis Avancats, Barcelona, Spain.
[Miralda-Escude, Jordi; Verde, Licia] Univ Barcelona, IEEC, Inst Ciencies Cosmos, E-08028 Barcelona, Spain.
[Mullally, F.] NASA, Ames Res Ctr, SETI Inst, Moffett Field, CA 94035 USA.
[Munn, Jeffrey A.] USN Observ, Flagstaff Stn, Flagstaff, AZ 86001 USA.
[Myers, Adam D.] Univ Illinois, Dept Astron, Urbana, IL 61801 USA.
[Paris, Isabelle; Petitjean, Patrick; Pichon, Christophe; Rollinde, Emmanuel] Univ Paris 06, Inst Astrophys Paris, CNRS, UMR7095, F-75014 Paris, France.
[Phleps, Stefanie; Sanchez, Ariel G.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
[Pieri, Matthew M.] Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO 80309 USA.
[Prada, Francisco] CSIC, Inst Astrofis Andalucia, E-18008 Granada, Spain.
[Reyle, Celine; Robin, Annie C.] Univ Franche Comte, Observ Besancon, Inst Utinam, F-25010 Besancon, France.
[Richards, Gordon T.] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA.
[Rix, Hans-Walter] Max Planck Inst Astron, D-69117 Heidelberg, Germany.
[Rocha-Pinto, Helio J.; Rossetto, Bruno M.] Univ Fed Rio de Janeiro, Observ Valongo, BR-20080090 Rio De Janeiro, Brazil.
[Rockosi, Constance M.] Univ Calif Santa Cruz, UCO Lick Observ, Santa Cruz, CA 95064 USA.
[Sheldon, Erin] Bldg 510 Brookhaven Natl Lab Upton, Upton, NY 11973 USA.
[Sivarani, Thirupathi] Indian Inst Astrophys, Bangalore 560034, Karnataka, India.
[White, Martin] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[White, Simon D. M.] Max Planck Inst Astrophys, D-85748 Garching, Germany.
RP Strauss, MA (reprint author), Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA.
RI Pforr, Janine/J-3967-2015; Makler, Martin/G-2639-2012; White,
Martin/I-3880-2015; Brandt, William/N-2844-2015; Rocha-Pinto,
Helio/C-2719-2008; Jiang, Linhua/H-5485-2016; Croft, Rupert/N-8707-2014;
Padmanabhan, Nikhil/A-2094-2012; Roe, Natalie/A-8798-2012; Yasuda,
Naoki/A-4355-2011; Aihara, Hiroaki/F-3854-2010; Mandelbaum,
Rachel/N-8955-2014; Ho, Shirley/P-3682-2014; Balbinot,
Eduardo/E-8019-2015; Kneib, Jean-Paul/A-7919-2015; Murayama,
Hitoshi/A-4286-2011; Le Goff, Jean-Marc/E-7629-2013; Tecnologias
espaciai, Inct/I-2415-2013; Gonzalez Hernandez, Jonay I./L-3556-2014;
Ogando, Ricardo/A-1747-2010
OI Pforr, Janine/0000-0002-3414-8391; Makler, Martin/0000-0003-2206-2651;
White, Martin/0000-0001-9912-5070; Brandt, William/0000-0002-0167-2453;
Jiang, Linhua/0000-0003-4176-6486; Croft, Rupert/0000-0003-0697-2583;
Kirkby, David/0000-0002-8828-5463; Miralda-Escude,
Jordi/0000-0002-2316-8370; Escoffier, Stephanie/0000-0002-2847-7498;
Cortes, Marina/0000-0003-0485-3767; Schmidt, Sarah/0000-0002-7224-7702;
Cuesta Vazquez, Antonio Jose/0000-0002-4153-9470; Bovy,
Jo/0000-0001-6855-442X; Verde, Licia/0000-0003-2601-8770;
/0000-0002-1891-3794; Masters, Karen/0000-0003-0846-9578; Hogg,
David/0000-0003-2866-9403; Davenport, James/0000-0002-0637-835X; Aihara,
Hiroaki/0000-0002-1907-5964; Mandelbaum, Rachel/0000-0003-2271-1527; Ho,
Shirley/0000-0002-1068-160X; Balbinot, Eduardo/0000-0002-1322-3153;
Kneib, Jean-Paul/0000-0002-4616-4989; Gonzalez Hernandez, Jonay
I./0000-0002-0264-7356; Ogando, Ricardo/0000-0003-2120-1154
FU Alfred P. Sloan Foundation; National Science Foundation; US Department
of Energy; University of Arizona; Brazilian Participation Group;
Brookhaven National Laboratory; University of Cambridge; University of
Florida; French Participation Group; German Participation Group;
Instituto de Astrofisica de Canarias; Michigan State/Notre Dame/JINA
Participation Group; Johns Hopkins University; Lawrence Berkeley
National Laboratory; Max Planck Institute for Astrophysics; New Mexico
State University; New York University; Ohio State University;
Pennsylvania State University; University of Portsmouth; Princeton
University; Spanish Participation Group; University of Tokyo; University
of Utah; Vanderbilt University; University of Virginia; University of
Washington; Yale University
FX We thank the referee, Andrew West, for comments that improved the paper.
Funding for SDSS-III has been provided by the Alfred P. Sloan
Foundation, the Participating Institutions, the National Science
Foundation, and the US Department of Energy. The SDSS-III Web site is
http://www.sdss3.org/.; SDSS-III is managed by the Astrophysical
Research Consortium for the Participating Institutions of the SDSS-III
Collaboration including the University of Arizona, the Brazilian
Participation Group, Brookhaven National Laboratory, University of
Cambridge, University of Florida, the French Participation Group, the
German Participation Group, the Instituto de Astrofisica de Canarias,
the Michigan State/Notre Dame/JINA Participation Group, Johns Hopkins
University, Lawrence Berkeley National Laboratory, Max Planck Institute
for Astrophysics, New Mexico State University, New York University, Ohio
State University, Pennsylvania State University, University of
Portsmouth, Princeton University, the Spanish Participation Group,
University of Tokyo, University of Utah, Vanderbilt University,
University of Virginia, University of Washington, and Yale University.
NR 86
TC 725
Z9 731
U1 7
U2 54
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0067-0049
J9 ASTROPHYS J SUPPL S
JI Astrophys. J. Suppl. Ser.
PD APR
PY 2011
VL 193
IS 2
AR 29
DI 10.1088/0067-0049/193/2/29
PG 17
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 743ZG
UT WOS:000289059200007
ER
PT J
AU Kholod, YA
Gryn'ova, G
Gorb, L
Hill, FC
Leszczynski, J
AF Kholod, Yana A.
Gryn'ova, Ganna
Gorb, Leonid
Hill, Frances C.
Leszczynski, Jerzy
TI Evaluation of the dependence of aqueous solubility of nitro compounds on
temperature and salinity: A COSMO-RS simulation
SO CHEMOSPHERE
LA English
DT Article
DE Aqueous solubility; Seawater; Nitro compounds; COSMO-RS
ID PURE WATER; MICROBIAL-DEGRADATION; MARINE SEDIMENT; SCREENING MODEL;
REAL SOLVENTS; EXPLOSIVES; PREDICTION; SEAWATER; 2,6-DINITROTOLUENE;
PHOTODEGRADATION
AB The solubility in pure and saline water at various temperatures was calculated for selected nitro compounds (nitrobenzene, 1,3,5-trinitrobenzene, 2-nitrotoluene, 3-nitrotoluene, 4-nitrotoluene, 2,4-dinitrotoluene, 2,6-dinitrotoluene, 2,3-dinitrotoluene, 3,4-dinitrotoluene, 2,4,6-trinitrotoluene) using the Conductor-like Screening model for Real Solvents (COSMO-RS). The results obtained were compared with experimental values. The COSMO-RS predictions have shown high accuracy in reproducing the trends of aqueous solubilities for both temperature and salinity. The proposed methodology was then applied to predict the aqueous solubilities of 19 nitro compounds in the temperature range of 5-50 degrees C in saline solutions. The salting-out parameters of the Setschenow equation were also calculated. The predicted salting-out parameters were overestimated when compared to the measured values, but these parameters can still be used for qualitative estimation of the trends. (c) 2010 Elsevier Ltd. All rights reserved.
C1 [Kholod, Yana A.; Gryn'ova, Ganna; Leszczynski, Jerzy] Jackson State Univ, Dept Chem, Interdisciplinary Ctr Nanotox, Jackson, MS 39217 USA.
[Gorb, Leonid] SpecPro Inc, Huntsville, AL 35805 USA.
[Hill, Frances C.; Leszczynski, Jerzy] USA Army ERDC, Vicksburg, MS 39180 USA.
RP Kholod, YA (reprint author), Iowa State Univ, Ames Lab US DOE, 201 Spedding Hall, Ames, IA 50011 USA.
EM yana@iastate.edu
RI Gryn'ova, Ganna/F-5931-2012
OI Gryn'ova, Ganna/0000-0003-4229-939X
FU United States Army Corps of Engineers by the USAERDC
FX The use of trade, product, or firm names in this report is for
descriptive purposes only and does not imply endorsement by the US
Government. Results in this study were funded and obtained from research
conducted under the Environmental Quality Technology Program of the
United States Army Corps of Engineers by the USAERDC. Permission was
granted by the Chief of Engineers to publish this information. The
findings of this report are not to be construed as an official
Department of the Army position unless so designated by other authorized
documents. The authors thank Professor Rebecca Toghiani of the
Mississippi State University for enlightening discussions.
NR 37
TC 11
Z9 11
U1 0
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-6535
J9 CHEMOSPHERE
JI Chemosphere
PD APR
PY 2011
VL 83
IS 3
BP 287
EP 294
DI 10.1016/j.chemosphere.2010.12.065
PG 8
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 745RT
UT WOS:000289184100010
PM 21215986
ER
PT J
AU Isiklan, M
Saeed, MA
Pramanik, A
Wong, BM
Fronczek, FR
Hossain, MA
AF Isiklan, Muhammet
Saeed, Musabbir A.
Pramanik, Avijit
Wong, Bryan M.
Fronczek, Frank R.
Hossain, Md Alamgir
TI A C-3 Symmetric Nitrate Complex with a Thiophene-Based Tripodal Receptor
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
ID ANION-BINDING; NONCOVALENT INTERACTIONS; ENCAPSULATION; COORDINATION;
RECOGNITION; SELECTIVITY; LIGANDS; AMIDE
AB A thiophene-based tripodal receptor has been synthesized, and its complexes with nitrate and iodide have been determined by single-crystal X-ray analysis. In the nitrate complex, one nitrate is encapsulated in a selective orientation, forming a C-3 symmetric complex, which is bonded to three protonated secondary amines with six NH center dot center dot center dot O bonds. The anion is coordinated in a plane perpendicular to the principal rotation axis passing through the tertiary nitrogen of the receptor and the nitrogen of the encapsulated nitrate. High-level DFT calculations support the crystallographic results, demonstrating that an adduct with trigonal binding of three oxygen atoms is more stable than that of one oxygen atom of the encapsulate nitrate. On the other hand, in the structure of the iodide complex, all three iodides lie outside the cavity. H-1 NMR titration studies indicate that the receptor forms a 1:1 complex with nitrate yielding a binding constant of K = 315 M-1 in chloroform, showing a moderate selectivity over halides and perchlorate.
C1 [Isiklan, Muhammet; Saeed, Musabbir A.; Pramanik, Avijit; Hossain, Md Alamgir] Jackson State Univ, Dept Chem & Biochem, Jackson, MS 39217 USA.
[Wong, Bryan M.] Sandia Natl Labs, Dept Chem Mat, Livermore, CA 94551 USA.
[Fronczek, Frank R.] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA.
RP Hossain, MA (reprint author), Jackson State Univ, Dept Chem & Biochem, Jackson, MS 39217 USA.
EM alamgir@chem.jsums.edu
RI Wong, Bryan/B-1663-2009
OI Wong, Bryan/0000-0002-3477-8043
FU National Science Foundation [CHE-1056927, CHE-0821357]; National
Institute of Health [G12RR013459]; [LEQSF (1999-2000)-ENH-TR-13]
FX The National Science Foundation is gratefully acknowledged for a CAREER
award (CHE-1056927) to M.A.H. The work was supported by the National
Institute of Health (G12RR013459). The NMR instrument used for this work
was funded by the National Science Foundation (CHE-0821357). Purchase of
the diffractometer was made possible by Grant No. LEQSF
(1999-2000)-ENH-TR-13, administered by the Louisiana Board of Regents.
NR 36
TC 17
Z9 17
U1 1
U2 13
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1528-7483
J9 CRYST GROWTH DES
JI Cryst. Growth Des.
PD APR
PY 2011
VL 11
IS 4
BP 959
EP 963
DI 10.1021/cg2001859
PG 5
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA 743WO
UT WOS:000289050100016
PM 21552352
ER
PT J
AU Rowland, CE
Cantos, PM
Toby, BH
Frisch, M
Deschamps, JR
Cahill, CL
AF Rowland, Clare E.
Cantos, Paula M.
Toby, Brian H.
Frisch, Mark
Deschamps, Jeffrey R.
Cahill, Christopher L.
TI Controlling Disulfide Bond Formation and Crystal Growth from
2-Mercaptobenzoic Acid
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
ID SITU LIGAND SYNTHESES; IN-SITU; HYDROTHERMAL SYNTHESIS; COORDINATION
POLYMERS; THIOLS; OXIDATION; CHEMISTRY; EFFICIENT; COMPLEX; MILD
AB We report disulfide bond formation from 2-mercaptobenzoic acid (2-MBA) under hydrothermal conditions as a function of pH. Under acidic conditions, 2-MBA remains unchanged. Upon increasing pH, however, we observe 50% oxidation to 2,2'-disulfanediyldibenzoic acid (2,2'-DSBA), which is isolated as a cocrystal of both the thiol and disulfide molecules. At neutral pH, we observe complete oxidation and concurrent crystal growth. The pH sensitivity of this system allows targeting crystals of specific composition from simple building units through a straightforward pH manipulation.
C1 [Rowland, Clare E.; Cantos, Paula M.; Cahill, Christopher L.] George Washington Univ, Dept Chem, Washington, DC 20052 USA.
[Toby, Brian H.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Frisch, Mark; Deschamps, Jeffrey R.] USN, Res Lab, Ctr Bio Mol Sci & Engn, Washington, DC 20375 USA.
RP Cahill, CL (reprint author), George Washington Univ, Dept Chem, 725 21st St NW, Washington, DC 20052 USA.
EM cahill@gwu.edu
RI Rowland, Clare/C-2704-2013; Toby, Brian/F-3176-2013;
OI Rowland, Clare/0000-0002-5474-5257; Toby, Brian/0000-0001-8793-8285;
Deschamps, Jeffrey/0000-0001-5845-0010
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-SC0001089]; National Science Foundation [DMR-0348982,
DMR0419754]; Department of Energy, Office of Science, Office of Basic
Energy Sciences [DE-AC02-06CH11357]
FX This material is based upon work supported as part of the Materials
Science of Actinides, an Energy Frontier Research Center funded by the
U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences under Award Number DE-SC0001089. The research was also
supported in part by the Office of Naval Research and the Naval Research
Laboratory. X-ray diffraction equipment was purchased with National
Science Foundation funding (DMR-0348982 and DMR0419754). Use of the
Advanced Photon Source (11-BM) at Argonne National Laboratory was
supported by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
NR 42
TC 20
Z9 20
U1 0
U2 20
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1528-7483
J9 CRYST GROWTH DES
JI Cryst. Growth Des.
PD APR
PY 2011
VL 11
IS 4
BP 1370
EP 1374
DI 10.1021/cg101619y
PG 5
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA 743WO
UT WOS:000289050100067
ER
PT J
AU Koenigsmann, C
Wong, SS
AF Koenigsmann, Christopher
Wong, Stanislaus S.
TI One-dimensional noble metal electrocatalysts: a promising structural
paradigm for direct methanol fuel cells
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID OXYGEN REDUCTION REACTION; PLATINUM-MONOLAYER ELECTROCATALYSTS;
POLYMER-ELECTROLYTE MEMBRANES; PT/C CATALYTIC CATHODE; SITU ATR-SEIRAS;
ACID-SOLUTIONS; DURABILITY ENHANCEMENT; KINETIC-PARAMETERS;
TRANSITION-METALS; O-2 REDUCTION
AB In this perspective, the catalytic shortfalls of contemporary DMFCs are discussed in the context of the materials that are currently being employed as electrocatalysts in both the anode and cathode. In light of these shortfalls, the inherent advantages of one-dimensional (1D) nanostructures are highlighted so as to demonstrate their potential as efficient, robust, and active replacements for contemporary nanoparticulate electrocatalysts. Finally, we review in detail the recent applications of 1D nanostructured electrocatalysts as both anodes and cathodes, and explore their potentially promising results towards improving DMFC efficiency and cost-effectiveness. In the case of cathode electrocatalysts, our group has recently prepared both 200 nm platinum nanotubes and ultrathin 2 nm platinum nanowires, which evinced two-fold and seven-fold enhancements in area specific ORR activity, respectively, as compared with contemporary commercial Pt nanoparticles. Similarly, the development of one-dimensional anodic electrocatalysts such as alloyed PtRu and PtCo nanowires, hierarchical Pt similar to Pd nanowires, and segmented PtRu systems have yielded promising enhancements towards methanol oxidation.
C1 [Koenigsmann, Christopher; Wong, Stanislaus S.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Wong, Stanislaus S.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
RP Koenigsmann, C (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM sswong@notes.cc.sunysb.edu
NR 118
TC 175
Z9 178
U1 26
U2 157
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD APR
PY 2011
VL 4
IS 4
BP 1161
EP 1176
DI 10.1039/c0ee00197j
PG 16
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 743EV
UT WOS:000289001400006
ER
PT J
AU Boswell, R
Collett, TS
AF Boswell, Ray
Collett, Timothy S.
TI Current perspectives on gas hydrate resources
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID GULF-OF-MEXICO; GLOBAL CARBON-CYCLE; METHANE HYDRATE; CONTINENTAL-SLOPE;
WORLD OCEAN; SEDIMENTS; ENERGY; RIDGE; ACCUMULATIONS; CONSTRAINTS
AB For the past three decades, discussion of naturally-occurring gas hydrates has been framed by a series of assessments that indicate enormous global volumes of methane present within gas hydrate accumulations. At present, these estimates continue to range over several orders of magnitude, creating great uncertainty in assessing those two gas hydrate issues that relate most directly to resource volumes - gas hydrate's potential as an energy resource and its possible role in ongoing climate change. However, a series of recent field expeditions have provided new insights into the nature of gas hydrate occurrence; perhaps most notably, the understanding that gas hydrates occur in a wide variety of geologic settings and modes of occurrence. These fundamental differences - which include gas hydrate concentration, host lithology, distribution within the sediment matrix, burial depth, water depth, and many others - can now be incorporated into evaluations of gas hydrate energy resource and environmental issues. With regard to energy supply potential, field data combined with advanced numerical simulation have identified gas-hydrate-bearing sands as the most feasible initial targets for energy recovery. The first assessments of potential technically-recoverable resources are now occurring, enabling a preliminary estimate of ultimate global recoverable volumes on the order of similar to 3 x 10(13) m(3) (10(15) ft(3); similar to 15 GtC). Other occurrences, such as gas hydrate-filled fractures in clay-dominated reservoirs, may also become potential energy production targets in the future; but as yet, no production concept has been demonstrated. With regard to the climate implications of gas hydrate, an analogous partitioning of global resources to determine that portion most prone to dissociation during specific future warming scenarios is needed. At present, it appears that these two portions of total gas hydrate resources (those that are the most likely targets for gas extraction and those that are the most likely to respond in a meaningful way to climate change) will be largely exclusive, as those deposits that are the most amenable to production (the more deeply buried and localized accumulations) are also those that are the most poorly coupled to oceanic and atmospheric conditions.
C1 [Boswell, Ray] US DOE, Natl Energy Technol Lab, Morgantown, WV USA.
[Collett, Timothy S.] US Geol Survey, Denver, CO 80225 USA.
RP Boswell, R (reprint author), US DOE, Natl Energy Technol Lab, Morgantown, WV USA.
EM ray.boswell@netl.doe.gov; tcollett@usgs.gov
OI Boswell, Ray/0000-0002-3824-2967
NR 86
TC 171
Z9 177
U1 10
U2 124
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD APR
PY 2011
VL 4
IS 4
BP 1206
EP 1215
DI 10.1039/c0ee00203h
PG 10
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 743EV
UT WOS:000289001400008
ER
PT J
AU Jung, HG
Myung, ST
Yoon, CS
Son, SB
Oh, KH
Amine, K
Scrosati, B
Sun, YK
AF Jung, Hun-Gi
Myung, Seung-Taek
Yoon, Chong Seung
Son, Seoung-Bum
Oh, Kyu Hwan
Amine, Khalil
Scrosati, Bruno
Sun, Yang-Kook
TI Microscale spherical carbon-coated Li4Ti5O12 as ultra high power anode
material for lithium batteries
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID STRAIN INSERTION MATERIAL; ION BATTERIES; ELECTRODE MATERIAL;
RATE-CAPABILITY; SPINEL OXIDES; CELLS; ELECTROCHEMISTRY; SYSTEM;
LI4/3TI5/3O4; SAFETY
AB Microscale C-Li4Ti5O12 particles with high tap density were synthesized by a simple solid-state reaction using TiO2, Li2CO3, and pitch. The effect of the carbon content on the physicochemical and electrochemical properties of this material was extensively studied. On calcination of the particles at high temperature in an inert atmosphere, the uniformly coated carbon layer from pitch inhibited the growth of primary particles, maintaining the spherical morphology, similar to the TiO2 precursor in size and shape, and also enabling partial reduction of the starting Ti4+ to Ti3+. Excellent electronic conductivity of the C-coated Li4Ti5O12 resulted from the presence of the highly conducting carbon coating layer and the mixed valence state of Ti3+ and Ti4+. Both the nanoporous morphology and highly conducting carbon coating layer in Li4Ti5O12 particles gave rise to ultra high rate capability.
C1 [Jung, Hun-Gi; Son, Seoung-Bum; Scrosati, Bruno; Sun, Yang-Kook] Hanyang Univ, Dept WCU Energy Engn, Seoul 133791, South Korea.
[Jung, Hun-Gi; Sun, Yang-Kook] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea.
[Myung, Seung-Taek] Iwate Univ, Dept Chem Engn, Morioka, Iwate 0208551, Japan.
[Yoon, Chong Seung] Hanyang Univ, Dept Mat Sci & Engn, Seoul 133791, South Korea.
[Oh, Kyu Hwan] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea.
[Amine, Khalil] Argonne Natl Lab, Electrochem Technol Program, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Scrosati, Bruno] Univ Roma La Sapienza, Dept Chem, I-00185 Rome, Italy.
RP Jung, HG (reprint author), Hanyang Univ, Dept WCU Energy Engn, Seoul 133791, South Korea.
EM amine@anl.gov; bruno.scrosati@uniroma1.it; yksun@hanyang.ac.kr
RI Sun, Yang-Kook/B-9157-2013; Amine, Khalil/K-9344-2013; Son,
Seoung-Bum/C-6783-2014; Jung, Hun-Gi/P-8305-2014
OI Sun, Yang-Kook/0000-0002-0117-0170;
FU Korean government (MEST) [2009-0092780]; WCU (World Class University)
through the Korea Science and Engineering Foundation by Education,
Science, and Technology [R31-2008-000-10092]
FX This research was supported by a National Research Foundation of Korea
(NRF) grant funded by the Korean government (MEST) (no. 2009-0092780)
and by the WCU (World Class University) program through the Korea
Science and Engineering Foundation by Education, Science, and Technology
(R31-2008-000-10092).
NR 34
TC 248
Z9 249
U1 32
U2 220
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD APR
PY 2011
VL 4
IS 4
BP 1345
EP 1351
DI 10.1039/c0ee00620c
PG 7
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 743EV
UT WOS:000289001400027
ER
PT J
AU Koech, PK
Rainbolt, JE
Bearden, MD
Zheng, F
Heldebrant, DJ
AF Koech, Phillip K.
Rainbolt, James E.
Bearden, Mark D.
Zheng, Feng
Heldebrant, David J.
TI Chemically selective gas sweetening without thermal-swing regeneration
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID HYDROGEN-SULFIDE; IONIC LIQUIDS; SOLVENT
AB Natural gas purifications using chemically selective hydrogen sulfide (H2S) sorbents could be more efficient if chemical selectivity for H2S could be maintained without thermal regeneration of the sorbent. We used tertiary alkanolamines to reversibly capture H2S in the absence of water to produce hydrosulfide-based ionic liquids in high yield. These alkanolammonium hydrosulfide ionic liquids release H2S by exposure to inert gas or by mild heating. H2S can be rapidly and nearly quantitatively released at ambient temperature from the alkanolammonium hydrosulfide ionic liquids by the addition of nonpolar antisolvents, some of which naturally phase separate from the spent alkanolamine. The antisolvent-induced regeneration of the alkanolamine potentially allows an efficient H2S gas scrubbing process that is chemically selective and can be operated continuously at or near ambient temperature.
C1 [Koech, Phillip K.; Rainbolt, James E.; Bearden, Mark D.; Zheng, Feng; Heldebrant, David J.] Pacific NW Natl Lab, Richland, WA 99253 USA.
RP Koech, PK (reprint author), Pacific NW Natl Lab, Richland, WA 99253 USA.
EM david.heldebrant@pnl.gov
RI Zheng, Feng/C-7678-2009;
OI Zheng, Feng/0000-0002-5427-1303; Koech, Phillip/0000-0003-2996-0593
FU Battelle Pacific Northwest Division
FX This work was funded by Battelle Pacific Northwest Division's
Independent Research and Development Program.
NR 17
TC 17
Z9 17
U1 1
U2 20
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
EI 1754-5706
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD APR
PY 2011
VL 4
IS 4
BP 1385
EP 1390
DI 10.1039/c0ee00839g
PG 6
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 743EV
UT WOS:000289001400033
ER
PT J
AU Meng, H
Wang, CX
Shen, PK
Wu, G
AF Meng, Hui
Wang, Chengxin
Shen, Pei Kang
Wu, Gang
TI Palladium thorn clusters as catalysts for electrooxidation of formic
acid
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID SHAPE-CONTROLLED SYNTHESIS; ALCOHOL FUEL-CELLS; VAPOR-DEPOSITION;
NANOWIRE ARRAYS; OXIDATION; ELECTROCATALYSTS; NANOCRYSTALS; GROWTH;
ELECTRODEPOSITION; NANOSTRUCTURES
AB Pure palladium thorn clusters were synthesized using the electrodeposition method. The clusters were composed of several thorns growing on one basis. Each thorn was composed of hexahedral units with decreasing sizes. The whole thorn was a single crystal along the < 220 > direction. The cluster was synthesized by square wave electrodeposition. By changing the deposition factors, a mixture of thorns and particles was synthesized, where each thorn grew on one basis and the thorn was composed of dodecahedral bases. Compared with the mixture, the cluster had higher activity toward the electrooxidation of formic acid, and also much higher activity than Pd powder, which was evidenced by the improved current density and onset potential of formic acid oxidation. The fact that pure thorn clusters had a higher catalytic activity than the mixture of thorns and particles proved that the higher activity was ascribed to the single crystal property of the thorns.
C1 [Meng, Hui; Wang, Chengxin; Shen, Pei Kang] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Key Lab Low Carbon Chem & Energy Conservat Guangd, Guangzhou 510275, Guangdong, Peoples R China.
[Wu, Gang] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
RP Meng, H (reprint author), Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Key Lab Low Carbon Chem & Energy Conservat Guangd, Guangzhou 510275, Guangdong, Peoples R China.
EM menghui@mail.sysu.edu.cn; stsspk@mail.sysu.edu.cn
RI Wu, Gang/E-8536-2010; Shen, Pei Kang/O-2004-2013
OI Wu, Gang/0000-0003-4956-5208;
FU National Natural Science Foundation of China [21073241, U1034003]; China
National 863 Program [2009AA034400]; Foundation of the State Key
Laboratory of Optoelectronic Materials and Technologies [2010-ZY-4-7];
Sun Yat-sen University [30000-3126170]; Guangdong Province
[2010-30000-4202493]; Chinese Academy of Sciences [2010-30000-4202493];
Ministry of Education of China [20100171120022]
FX The work was supported by the National Natural Science Foundation of
China (21073241, U1034003) and the China National 863 Program
(2009AA034400) and the Foundation of the State Key Laboratory of
Optoelectronic Materials and Technologies (2010-ZY-4-7). Dr H. Meng
thanks the New Teacher Funding of Sun Yat-sen University
(30000-3126170), Strategic Cooperation Project between Guangdong
Province and Chinese Academy of Sciences (2010-30000-4202493) and
Doctoral Fund of Ministry of Education of China (20100171120022).
NR 32
TC 26
Z9 27
U1 4
U2 41
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD APR
PY 2011
VL 4
IS 4
BP 1522
EP 1526
DI 10.1039/c0ee00702a
PG 5
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 743EV
UT WOS:000289001400052
ER
PT J
AU Jardin, SC
AF Jardin, S. C.
TI SOME CONSIDERATIONS AND TECHNIQUES FOR THE PREDICTIVE SIMULATION OF
GLOBAL INSTABILITIES IN TOKAMAKS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article
DE tokamak plasma control; MHD instabilities; computational physics
ID FEEDBACK STABILIZATION; PLASMA; MAGNETOHYDRODYNAMICS; DIFFUSION;
EVOLUTION
AB A simple rigid plasma model is used to show that axisymmetric plasma instabilities (in two dimensions) will occur on a resistive time scale and do not depend on the plasma mass. This is the justification for ignoring the inertial term in two-dimensional studies of plasma shape control and vertical stability. In three dimensions, it is not normally possible to ignore the inertial terms when computing plasma instabilities. This results in a stiff system of equations (with multiple time scales) in which the driving terms causing plasma instabilities are small compared with the stable compressive terms. Techniques are described for implicit time integration and for representing the vector fields in a way to facilitate obtaining accurate solutions for plasma instabilities when a strong background magnetic field is present.
C1 Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Jardin, SC (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM jardin@pppl.gov
FU CEMM; SWIM Sci-DAC; U.S. Department of Energy [DE-AC02-76CH03073]
FX This work was supported by the CEMM and SWIM Sci-DAC grants and by U.S.
Department of Energy contract DE-AC02-76CH03073.
NR 40
TC 0
Z9 0
U1 0
U2 6
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD APR
PY 2011
VL 59
IS 3
SI SI
BP 519
EP 525
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 745OP
UT WOS:000289175200007
ER
PT J
AU Reimerdes, H
Buttery, RJ
Garofalo, AM
In, Y
La Haye, RJ
Lanctot, MJ
Okabayashi, M
Park, JK
Schaffer, MJ
Strait, EI
Volpe, FA
AF Reimerdes, H.
Buttery, R. J.
Garofalo, A. M.
In, Y.
La Haye, R. J.
Lanctot, M. J.
Okabayashi, M.
Park, J. -K.
Schaffer, M. J.
Strait, E. I.
Volpe, F. A.
TI ERROR FIELD TOLERANCE AND ERROR FIELD CORRECTION STRATEGIES AND THEIR
APPLICABILITY TO ITER
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article
DE error field threshold/tolerance; error field correction; locked modes;
ITER
ID DIII-D TOKAMAK; RESONANT MAGNETIC PERTURBATIONS; PLASMA FLUID ROTATION;
COMPASS-C TOKAMAK; MHD STABILITY; OPERATIONAL LIMITS; TEARING MODES;
LOCKED MODES; CHAPTER 3; STABILIZATION
AB Tokamak plasmas can be sensitive to external non-axisymmetric magnetic perturbations that are several orders of magnitude smaller than the axisymmetric field. These perturbations, which are usually undesired and are referred to as error fields, can limit operation by braking the plasma rotation until an instability such as a tearing mode, a resistive wall mode, or an error field-driven locked mode leads to an unacceptable confinement degradation or a disruption. Auxiliary heating can have two competing effects: On one hand higher beta leads to a degradation of the error field tolerance through plasma amplification and stronger braking, and on the other hand higher toroidal rotation can tolerate a higher magnetic braking torque. A widely used technique to detect and correct error fields is based on the characteristic density dependence of the error field tolerance in ohmic plasmas. An alternative technique is based on the measurable plasma amplification of the error field in high-beta plasmas. However, the detection and correction of error fields in ITER will require a modification of the present techniques in order to avoid disruptions and deal with insufficient plasma amplification of the error field at low beta, before the full set of auxiliary heating systems will be available. The adaptation of current techniques to address these concerns is likely, but an experimental demonstration as well as an improved physics basis is needed and remains the subject of current research.
C1 [Reimerdes, H.; Lanctot, M. J.] Columbia Univ, New York, NY 10027 USA.
[Buttery, R. J.; Garofalo, A. M.; La Haye, R. J.; Schaffer, M. J.; Strait, E. I.] Gen Atom Co, San Diego, CA USA.
[In, Y.] FAR TECH Inc, San Diego, CA USA.
[Okabayashi, M.; Park, J. -K.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Volpe, F. A.] Univ Wisconsin, Madison, WI USA.
RP Reimerdes, H (reprint author), Columbia Univ, New York, NY 10027 USA.
EM reimerdes@fusion.gat.com
RI Volpe, Francesco/D-2994-2009; Lanctot, Matthew J/O-4979-2016
OI Volpe, Francesco/0000-0002-7193-7090; Lanctot, Matthew
J/0000-0002-7396-3372
FU U.S. Department of Energy [DE-FG02-04ER54761, DE-FC02-04ER54698k,
DE-AC02-09CH11466, DE-FG02-89ER53296]
FX This work was supported by the U.S. Department of Energy under
DE-FG02-04ER54761, DE-FC02-04ER54698k, DE-AC02-09CH11466, and
DE-FG02-89ER53296.
NR 56
TC 8
Z9 8
U1 0
U2 7
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD APR
PY 2011
VL 59
IS 3
SI SI
BP 572
EP 585
PG 14
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 745OP
UT WOS:000289175200012
ER
PT J
AU Ozdemir, A
Fisher-Aylor, KI
Pepke, S
Samanta, M
Dunipace, L
Mccue, K
Zeng, LC
Ogawa, N
Wold, BJ
Stathopoulos, A
AF Ozdemir, Anil
Fisher-Aylor, Katherine I.
Pepke, Shirley
Samanta, Manoj
Dunipace, Leslie
McCue, Kenneth
Zeng, Lucy
Ogawa, Nobuo
Wold, Barbara J.
Stathopoulos, Angelike
TI High resolution mapping of Twist to DNA in Drosophila embryos: Efficient
functional analysis and evolutionary conservation
SO GENOME RESEARCH
LA English
DT Article
ID TRANSCRIPTION FACTOR-BINDING; GENOME-WIDE ANALYSIS; LOOP-HELIX PROTEINS;
NEUROGENIC GENE-EXPRESSION; MESODERM DEVELOPMENT; BHLH PROTEIN;
CHIP-SEQ; DORSAL; SEQUENCE; REGIONS
AB Cis-regulatory modules (CRMs) function by binding sequence specific transcription factors, but the relationship between in vivo physical binding and the regulatory capacity of factor-bound DNA elements remains uncertain. We investigate this relationship for the well-studied Twist factor in Drosophila melanogaster embryos by analyzing genome-wide factor occupancy and testing the functional significance of Twist occupied regions and motifs within regions. Twist ChIP-seq data efficiently identified previously studied Twist-dependent CRMs and robustly predicted new CRM activity in transgenesis, with newly identified Twist-occupied regions supporting diverse spatiotemporal patterns (>74% positive, n = 31). Some, but not all, candidate CRMs require Twist for proper expression in the embryo. The Twist motifs most favored in genome ChIP data (in vivo) differed from those most favored by Systematic Evolution of Ligands by EXponential enrichment (SELEX) (in vitro). Furthermore, the majority of ChIP-seq signals could be parsimoniously explained by a CABVTG motif located within 50 bp of the ChIP summit and, of these, CACATG was most prevalent. Mutagenesis experiments demonstrated that different Twist E-box motif types are not fully interchangeable, suggesting that the ChIP-derived consensus (CABVTG) includes sites having distinct regulatory outputs. Further analysis of position, frequency of occurrence, and sequence conservation revealed significant enrichment and conservation of CABVTG E-box motifs near Twist ChIP-seq signal summits, preferential conservation of +/- 150 bp surrounding Twist occupied summits, and enrichment of GA- and CA-repeat sequences near Twist occupied summits. Our results show that high resolution in vivo occupancy data can be used to drive efficient discovery and dissection of global and local cis-regulatory logic.
C1 [Ozdemir, Anil; Fisher-Aylor, Katherine I.; Dunipace, Leslie; McCue, Kenneth; Wold, Barbara J.; Stathopoulos, Angelike] CALTECH, Div Biol, Pasadena, CA 91125 USA.
[Pepke, Shirley] CALTECH, Ctr Adv Comp Res, Pasadena, CA 91125 USA.
[Samanta, Manoj] Systemix Inst, Redmond, WA 98053 USA.
[Zeng, Lucy; Ogawa, Nobuo] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Wold, BJ (reprint author), CALTECH, Div Biol, Pasadena, CA 91125 USA.
EM woldb@caltech.edu; angelike@caltech.edu
FU NSF; Gordon and Betty Moore Foundation; Department of Energy
[DE-AC02-05CH11231]; Functional Genomics Resource Center of the Caltech
Beckman Institute; NIH [R01GM077668, U54HG004576]; Bren Chair
FX We thank the Caltech Jacobs Genome Facility members I. Antoshechkin and
L. Schaeffer for library building and DNA sequencing, as well as D.
Trout, B. King, and H. Amrhein for primary sequence data processing and
visualization. We are grateful to A. Mortazavi and A. Kirilusha (Caltech
Biology) for software and discussion of analysis; M. Biggin and S.
Celniker (Lawrence Berkeley Lab) for sharing unpublished data; and M.
Levine (University of California at Berkeley) for antibodies. K.I.F.-A.
was funded by a NSF pre-doctoral fellowship, and S. P. was funded by The
Gordon and Betty Moore Foundation. Work at Lawrence Berkeley National
Laboratory was conducted under Department of Energy contract
DE-AC02-05CH11231. This work was funded by the Functional Genomics
Resource Center of the Caltech Beckman Institute, NIH grant R01GM077668
(A. S.), NIH grant U54HG004576 (B.J.W.), and the Bren Chair (B.J.W).
NR 52
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Z9 27
U1 0
U2 9
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
J9 GENOME RES
JI Genome Res.
PD APR
PY 2011
VL 21
IS 4
BP 566
EP 577
DI 10.1101/gr.104018.109
PG 12
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Genetics & Heredity
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Genetics & Heredity
GA 744BN
UT WOS:000289067800007
PM 21383317
ER
PT J
AU Yang, XH
Tschaplinski, TJ
Hurst, GB
Jawdy, S
Abraham, PE
Lankford, PK
Adams, RM
Shah, MB
Hettich, RL
Lindquist, E
Kalluri, UC
Gunter, LE
Pennacchio, C
Tuskan, GA
AF Yang, Xiaohan
Tschaplinski, Timothy J.
Hurst, Gregory B.
Jawdy, Sara
Abraham, Paul E.
Lankford, Patricia K.
Adams, Rachel M.
Shah, Manesh B.
Hettich, Robert L.
Lindquist, Erika
Kalluri, Udaya C.
Gunter, Lee E.
Pennacchio, Christa
Tuskan, Gerald A.
TI Discovery and annotation of small proteins using genomics, proteomics,
and computational approaches
SO GENOME RESEARCH
LA English
DT Article
ID OPEN READING FRAMES; CELL-TO-CELL; RECEPTOR-KINASE; SOFTWARE; DATABASE;
GENES; TOOLS; INTERPROSCAN; RESOURCE; CLAVATA1
AB Small proteins (10-200 amino acids [aa] in length) encoded by short open reading frames (sORF) play important regulatory roles in various biological processes, including tumor progression, stress response, flowering, and hormone signaling. However, ab initio discovery of small proteins has been relatively overlooked. Recent advances in deep transcriptome sequencing make it possible to efficiently identify sORFs at the genome level. In this study, we obtained similar to 2.6 million expressed sequence tag (EST) reads from Populus deltoides leaf transcriptome and reconstructed full-length transcripts from the EST sequences. We identified an initial set of 12,852 sORFs encoding proteins of 10-200 aa in length. Three computational approaches were then used to enrich for bona fide protein-coding sORFs from the initial sORF set: (1) codingpotential prediction, (2) evolutionary conservation between P. deltoides and other plant species, and (3) gene family clustering within P. deltoides. As a result, a high-confidence sORF candidate set containing 1469 genes was obtained. Analysis of the protein domains, non-protein-coding RNA motifs, sequence length distribution, and protein mass spectrometry data supported this high-confidence sORF set. In the high-confidence sORF candidate set, known protein domains were identified in 1282 genes (higher-confidence sORF candidate set), out of which 611 genes, designated as highest-confidence candidate sORF set, were supported by proteomics data. Of the 611 highest-confidence candidate sORF genes, 56 were new to the current Populus genome annotation. This study not only demonstrates that there are potential sORF candidates to be annotated in sequenced genomes, but also presents an efficient strategy for discovery of sORFs in species with no genome annotation yet available.
C1 [Yang, Xiaohan; Tschaplinski, Timothy J.; Jawdy, Sara; Lankford, Patricia K.; Shah, Manesh B.; Kalluri, Udaya C.; Gunter, Lee E.; Tuskan, Gerald A.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Yang, Xiaohan; Tschaplinski, Timothy J.; Jawdy, Sara; Abraham, Paul E.; Adams, Rachel M.; Hettich, Robert L.; Kalluri, Udaya C.; Gunter, Lee E.; Tuskan, Gerald A.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Hurst, Gregory B.; Hettich, Robert L.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Abraham, Paul E.; Adams, Rachel M.] Univ Tennessee, Grad Sch Genome Sci & Technol, Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
[Lindquist, Erika; Pennacchio, Christa; Tuskan, Gerald A.] DOE Joint Genome Inst, Walnut Creek, CA 94598 USA.
RP Yang, XH (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM yangx@ornl.gov; tuskanga@ornl.gov
RI Abraham, Paul/K-5599-2015; Gunter, Lee/L-3480-2016; Hettich,
Robert/N-1458-2016; Tuskan, Gerald/A-6225-2011; Yang,
Xiaohan/A-6975-2011;
OI Gunter, Lee/0000-0003-1211-7532; Hettich, Robert/0000-0001-7708-786X;
Tuskan, Gerald/0000-0003-0106-1289; Yang, Xiaohan/0000-0001-5207-4210;
Hurst, Gregory/0000-0002-7650-8009; KALLURI, UDAYA/0000-0002-5963-8370;
Tschaplinski, Timothy/0000-0002-9540-6622
FU U.S. Department of Energy Joint Genome Institute; Office of Science of
the U.S. Department of Energy [DE-AC02-05CH11231]; U.S. DOE Office of
Biological and Environmental Research; U.S. DOE BioEnergy Science
Center; Office of Biological and Environmental Research in the DOE
Office of Science; U.S. Department of Energy [DE-AC05-00OR22725]
FX We thank S. D. Wullschleger and D.J. Weston for thoughtful and
insightful comments on the manuscript. Transcriptome sequencing was
supported by the U.S. Department of Energy Joint Genome Institute
Laboratory Science Program project with X.Y. and T.J.T. 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. Proteomics and bioinformatics
analysis was supported by the U.S. DOE Office of Biological and
Environmental Research, Genomic Science Program and the U.S. DOE
BioEnergy Science Center. 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.
Oak Ridge National Laboratory is managed by UT-Battelle, LLC for the
U.S. Department of Energy under Contract Number DE-AC05-00OR22725.
NR 41
TC 43
Z9 45
U1 5
U2 26
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
J9 GENOME RES
JI Genome Res.
PD APR
PY 2011
VL 21
IS 4
BP 634
EP 641
DI 10.1101/gr.109280.110
PG 8
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Genetics & Heredity
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Genetics & Heredity
GA 744BN
UT WOS:000289067800014
PM 21367939
ER
PT J
AU Coblentz, D
Chase, CG
Karlstrom, KE
van Wijk, J
AF Coblentz, D.
Chase, C. G.
Karlstrom, K. E.
van Wijk, J.
TI Topography, the geoid, and compensation mechanisms for the southern
Rocky Mountains
SO GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
LA English
DT Article
DE topography; geoid; Rocky Mountains
ID WESTERN UNITED-STATES; GRAVITATIONAL POTENTIAL-ENERGY; EFFECTIVE ELASTIC
THICKNESS; COLORADO PLATEAU; ISOSTATIC COMPENSATION; CONTINENTAL
LITHOSPHERE; GRAVITY-ANOMALIES; MANTLE CONVECTION; SWELLS; DEFORMATION
AB The southern Rockies of Colorado are anomalously high (elevations greater than 2800 m), topographically rough (implying active uplift), and underlain by significant low-velocity anomalies in the upper mantle that suggest an intimate relationship between mantle geodynamic processes and the surface topography. The region is in isostatic equilibrium (i.e., near-zero free-air gravity anomaly); however, the poor correlation between the high topography and crustal thickness makes the application of simple compensation models (e.g., pure Heiskanen or Pratt-Hayford) problematic. Knowledge of how the current topography of the Rockies is isostatically compensated could provide constraints on the relative role of sublithospheric buoyancy versus lithospheric support. Here we evaluate the geoid and its relationship to the topography (using the geoid-to-elevation ratio (GTR) in the spatial domain and the admittance in the frequency domain) to constrain the mechanism of compensation. We separate the upper mantle geoid anomalies from those with deeper sources through the use of spherical harmonic filtering of the EGM2008 geoid. We exploit the fact that at wavelengths greater than the flexural wavelength where features are isostatically compensated, the geoid/topography ratio can be used to estimate the depth of compensation and the elastic thickness of the lithosphere. The results presented below indicate that the main tectonic provinces of the western United States have moderate geoid/topography ratios between 3.5 and 5.5 m/km (similar to 3.9 for the southern Rockies, similar to 4.25 for the Colorado Plateau, and similar to 5.2 for the Northern Basin and Range) suggesting shallow levels of isostatic compensation. In terms of the elastic thickness of the lithosphere, our results indicate an elastic thickness of less than 20 km. These value support the notion that a major portion of the buoyancy that has driven uplift resides at depths less than 100 km and that upper mantle processes such as small-scale convection may play a significant role in the buoyant uplift of the southern Rockies (as well as other actively uplifting areas of the western United States). Further support for this hypothesis is provided by high coherence for the geoid-topography relationship for nearly all wavelengths between 50 and 1000 km.
C1 [Coblentz, D.] Los Alamos Natl Lab, Geodynam Grp, Los Alamos, NM 87545 USA.
[Chase, C. G.] Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA.
[Karlstrom, K. E.] Univ New Mexico, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA.
[van Wijk, J.] Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA.
RP Coblentz, D (reprint author), Los Alamos Natl Lab, Geodynam Grp, MS D443, Los Alamos, NM 87545 USA.
EM coblentz@lanl.gov
NR 62
TC 12
Z9 12
U1 0
U2 10
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 1525-2027
J9 GEOCHEM GEOPHY GEOSY
JI Geochem. Geophys. Geosyst.
PD APR 1
PY 2011
VL 12
AR Q04002
DI 10.1029/2010GC003459
PG 18
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 744GZ
UT WOS:000289084200003
ER
PT J
AU Boro, BJ
Lansing, R
Goldberg, KI
Kemp, RA
AF Boro, Brian J.
Lansing, Raymond
Goldberg, Karen I.
Kemp, Richard A.
TI Reaction of a monomeric titanium hydride with dioxygen does not produce
a stable titanium hydroperoxide
SO INORGANIC CHEMISTRY COMMUNICATIONS
LA English
DT Article
DE Bridging ligand; Ti complex; Crystal structure; Metal hydride
ID OXYGEN BOND HOMOLYSIS; MOLECULAR-OXYGEN; OLEFIN EPOXIDATION; INSERTION;
COMPLEXES; MECHANISM
AB The reaction of gaseous O(2) under mild conditions with the monomeric titanium hydride (DIPP-O)(3)TiH(PMe(3)) (DIPP = 2,6-diisopropylphenyl), initially prepared by With, results in loss of the titanium hydride moiety with the isolation of (DIPP-O)(3)Ti-O-Ti(O-DIPP)(3), a dinuclear species containing a mu(2)-bridging oxo atom. This species has been characterized spectroscopically as well as by single crystal X-ray diffraction. The structure is a surprisingly rare example of a homoleptic aryloxide derivative of the Ti-O-Ti framework. Speculation upon the route used to form (DIPP-O)(3)Ti-O-Ti(O-DIPP)(3) is also presented. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Boro, Brian J.; Lansing, Raymond; Kemp, Richard A.] Univ New Mexico, Dept Chem & Biol Chem, Albuquerque, NM 87131 USA.
[Goldberg, Karen I.] Univ Washington, Dept Chem & Biochem, Seattle, WA 98195 USA.
[Kemp, Richard A.] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87106 USA.
RP Kemp, RA (reprint author), Univ New Mexico, Dept Chem & Biol Chem, Albuquerque, NM 87131 USA.
EM rakemp@unm.edu
FU Department of Energy [DE-FG02-06ER15765]; National Science Foundation
CRIF [CHE-0443580]; United States Department of Energy
[DE-AC04-94AL85000]
FX This work was supported by the Department of Energy (DE-FG02-06ER15765).
The Bruker X-ray diffractometer was purchased via a National Science
Foundation CRIF:MU award to the University of New Mexico (CHE-0443580).
Sandia is a multiprogram laboratory operated by Sandia Corporation, a
Lockheed Martin Company, for the United States Department of Energy
under Contract No. DE-AC04-94AL85000. We also thank Dr. Diane A. Dickie
of our UNM research group for useful discussions regarding the crystal
structure.
NR 16
TC 9
Z9 9
U1 0
U2 6
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1387-7003
J9 INORG CHEM COMMUN
JI Inorg. Chem. Commun.
PD APR
PY 2011
VL 14
IS 4
BP 531
EP 533
DI 10.1016/j.inoche.2011.01.014
PG 3
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 744WS
UT WOS:000289126500005
ER
PT J
AU Andarawewa, KL
Costes, SV
Fernandez-Garcia, I
Chou, WS
Ravani, SA
Park, H
Barcellos-Hoff, MH
AF Andarawewa, Kumari L.
Costes, Sylvain V.
Fernandez-Garcia, Ignacio
Chou, William S.
Ravani, Shraddha A.
Park, Howard
Barcellos-Hoff, Mary Helen
TI LACK OF RADIATION DOSE OR QUALITY DEPENDENCE OF
EPITHELIAL-TO-MESENCHYMAL TRANSITION (EMT) MEDIATED BY TRANSFORMING
GROWTH FACTOR beta
SO INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS
LA English
DT Article
DE TGF-beta; Ionizing radiation; Mammary epithelial cell; EMT
AB Purpose: Epithelial-to-mesenchymal transition (EMT) is a phenotype that alters cell morphology, disrupts morphogenesis, and increases motility. Our prior studies have shown that the progeny of human mammary epithelial cells (HMECs) irradiated with 2 Gy undergoes transforming growth factor beta (TGF-beta) mediated EMT. In this study we determined whether radiation dose or quality affected TGF-beta-mediated EMT.
Methods and Materials: HMECs were cultured on tissue culture plastic or in Matrigel (HI) Biosciences, San Jose, CA) and exposed to low or high linear energy transfer (LET) and TGF-beta (400 pg/mL). Image analysis was used to measure membrane-associated E-cadherin, a marker of functional epithelia, or fibronectin, a product of mesenchymal cells, as a function of radiation dose and quality.
Results: E-cadherin was reduced in TGF-beta treated cells irradiated with low-LET radiation doses between 0.03 and 2 Gy compared with untreated, unirradiated cells or TGF-beta treatment alone. The radiation quality dependence of TGF-beta-mediated EMT was determined by use of 1 GeV/amu (gigaelectron volt / atomic mass unit) (56)Fe ion particles at the National Aeronautics and Space Administration's Space Radiation Laboratory. On the basis of the relative biological effectiveness of 2 for (56)Fe ion particles' clonogenic survival, TGF-beta-treated HMECs were irradiated with equitoxic 1-Gy (56)Fe ion or 2-Gy (137)Cs radiation in monolayer. Furthermore, TGF-beta treated HMECs irradiated with either high- or low-LET radiation exhibited similar loss of E-cadherin and gain of fibronectin and resulted in similar large, poorly organized colonies when embedded in Matrigel. Moreover, the progeny of HMECs exposed to different fluences of (56)Fe ion underwent TGF-beta-mediated EMT even when only one-third of the cells were directly traversed by the particle.
Conclusions: Thus TGF-beta mediated EMT, like other non-targeted radiation effects, is neither radiation dose nor quality dependent at the doses examined. (c) 2011 Elsevier Inc.
C1 [Fernandez-Garcia, Ignacio; Chou, William S.; Barcellos-Hoff, Mary Helen] NYU, Dept Radiat Oncol, Langone Sch Med, New York, NY 10016 USA.
[Andarawewa, Kumari L.; Costes, Sylvain V.; Chou, William S.; Ravani, Shraddha A.; Park, Howard; Barcellos-Hoff, Mary Helen] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Barcellos-Hoff, MH (reprint author), NYU, Dept Radiat Oncol, Langone Sch Med, 566 1st Ave, New York, NY 10016 USA.
EM mhbarcellos-hoff@nyumc.org
RI Costes, Sylvain/D-2522-2013
OI Costes, Sylvain/0000-0002-8542-2389
FU National Aeronautics and Space Administration Specialized Center for
Research in Radiation Health Effects at Lawrence Berkeley National
Laboratory
FX Support was provided by National Aeronautics and Space Administration
Specialized Center for Research in Radiation Health Effects at Lawrence
Berkeley National Laboratory.
NR 0
TC 18
Z9 19
U1 2
U2 5
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0360-3016
J9 INT J RADIAT ONCOL
JI Int. J. Radiat. Oncol. Biol. Phys.
PD APR 1
PY 2011
VL 79
IS 5
BP 1523
EP 1529
DI 10.1016/j.ijrobp.2010.11.058
PG 7
WC Oncology; Radiology, Nuclear Medicine & Medical Imaging
SC Oncology; Radiology, Nuclear Medicine & Medical Imaging
GA 742YB
UT WOS:000288980100034
PM 21310544
ER
PT J
AU Oldenburg, EW
Guy, CS
Cureton, ES
Webb, MAH
Gardner, WM
AF Oldenburg, E. W.
Guy, C. S.
Cureton, E. S.
Webb, M. A. H.
Gardner, W. M.
TI Effects of acclimation on poststocking dispersal and physiological
condition of age-1 pallid sturgeon
SO JOURNAL OF APPLIED ICHTHYOLOGY
LA English
DT Article; Proceedings Paper
CT 6th International Symposium on Sturgeons
CY OCT 25-30, 2009
CL Wuhan, PEOPLES R CHINA
ID SHOVELNOSE STURGEON; HABITAT USE; JUVENILE; PLASMA; PERFORMANCE;
MOVEMENTS; EXERCISE; CORTISOL; STRESS; FISHES
AB The objective of this study was to evaluate the effects of acclimation to flow and site-specific physicochemical water conditions on poststocking dispersal and physiological condition of age-1 hatchery-reared pallid sturgeon. Fish from three acclimation treatments were radio-tagged, released at two locations (Missouri River and Marias River), and monitored using passive telemetry stations. Marias treatment was acclimated to flow and site-specific physicochemical conditions, Bozeman treatment was acclimated to flow only, and controls had no acclimation (reared under traditional conservation propagation protocol). During both years, fish released in the Missouri River dispersed less than fish released in the Marias River. In 2005, Marias treatment dispersed less and nearly twice as many fish remained in the Missouri River reach as compared to control fish. In 2006, pallid sturgeon dispersed similarly among treatments and the number of fish remaining in the Missouri River reach was similar among all treatments. Differences in poststocking dispersal between years were related to fin curl which was present in all fish in 2005 and only 26% in 2006. Pallid sturgeon from all treatments in both years had a greater affinity for the lower reaches of the Missouri River than the upper reaches. Thus, release site influenced poststocking dispersal more than acclimation treatment. No difference was observed in relative growth rate among treatments. However, acclimation to flow (i.e., exercise conditioning) prevented fat accumulation from rupturing hepatocytes. Acclimation conditions used in this study did not benefit pallid sturgeon unless physiological maladies were present. Overriding all treatment effects was stocking location; thus, natural resource agencies need to consider stocking location carefully to reduce poststocking dispersal.
C1 [Guy, C. S.] Montana State Univ, Dept Ecol, Fish & Wildlife Management Program, Montana Cooperat Fishery Res Unit,US Geol Survey, Bozeman, MT 59717 USA.
[Cureton, E. S.; Webb, M. A. H.] US Fish & Wildlife Serv, Bozeman Fish Technol Ctr, Bozeman, MT USA.
[Gardner, W. M.] Montana Dept Fish Wildlife & Pk, Lewistown, MT USA.
RP Oldenburg, EW (reprint author), Pacific NW Natl Lab, Ecol Grp, Mail Stop K6-85,POB 999, Richland, WA 99354 USA.
EM eric.oldenburg@pnl.gov
RI Wei, Qiwei/B-6928-2014
OI Wei, Qiwei/0000-0002-6366-1020
FU MTFWP; PPL Montana; Western Area Power Administration; Montana Fish;
Wildlife and Parks; Montana State University; U.S. Geological Survey
FX The MTFWP, PPL Montana, and Western Area Power Administration provided
funding for this study. We thank Ross Epley, Amber Goodman, Brian
Bellgraph, Jim Boyd, Windy Davis, Jen Dodge, Paul Gerrity, Casey Jensen,
Ben Goodman, Eli McCord, Mike Meeuwig, Bob Oldenburg, Glenda Oldenburg,
Lek Oldenburg, Randy Rodencal, Mike Wente, Ryan White, and Dr. Alexander
Zale for assistance with this project; the entire staff of the BFTC for
facility and logistical contributions; Linda Beck for liver fat score
confirmation; and the Cornell family for their hospitality while in the
field. The Montana Cooperative Fishery Research Unit is jointly
sponsored by Montana Fish, Wildlife and Parks, Montana State University,
and the U.S. Geological Survey. Any use of trade, product, or firm names
is for descriptive purposes only and does not imply endorsement by the
U.S. Government.
NR 36
TC 4
Z9 4
U1 0
U2 10
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0175-8659
EI 1439-0426
J9 J APPL ICHTHYOL
JI J. Appl. Ichthyol.
PD APR
PY 2011
VL 27
IS 2
BP 436
EP 443
DI 10.1111/j.1439-0426.2010.01651.x
PG 8
WC Fisheries; Marine & Freshwater Biology
SC Fisheries; Marine & Freshwater Biology
GA 741LG
UT WOS:000288864600044
ER
PT J
AU Liu, YS
Baker, JO
Zeng, YN
Himmel, ME
Haas, T
Ding, SY
AF Liu, Yu-San
Baker, John O.
Zeng, Yining
Himmel, Michael E.
Haas, Thomas
Ding, Shi-You
TI Cellobiohydrolase Hydrolyzes Crystalline Cellulose on Hydrophobic Faces
SO JOURNAL OF BIOLOGICAL CHEMISTRY
LA English
DT Article
ID ATOMIC-FORCE MICROSCOPY; ENZYMATIC-HYDROLYSIS; TRICHODERMA-REESEI;
BACTERIAL CELLULOSE; BINDING MODULES; CELL-WALL; PHASE; VISUALIZATION;
MICROFIBRILS; CELLULASES
AB Biodegradation of plant biomass is a slow process in nature, and hydrolysis of cellulose is also widely considered to be a rate-limiting step in the proposed industrial process of converting lignocellulosic materials to biofuels. It is generally known that a team of enzymes including endo-and exocellulases as well as cellobiases are required to act synergistically to hydrolyze cellulose to glucose. The detailed molecular mechanisms of these enzymes have yet to be convincingly elucidated. In this report, atomic force microscopy (AFM) is used to image in real-time the structural changes in Valonia cellulose crystals acted upon by the exocellulase cellobiohydrolase I (CBH I) from Trichoderma reesei. Under AFM, single enzyme molecules could be observed binding only to one face of the cellulose crystal, apparently the hydrophobic face. The surface roughness of cellulose began increasing after adding CBH I, and the overall size of cellulose crystals decreased during an 11-h period. Interestingly, this size reduction apparently occurred only in the width of the crystal, whereas the height remained relatively constant. In addition, the measured cross-section shape of cellulose crystal changed from asymmetric to nearly symmetric. These observed changes brought about by CBH I action may constitute the first direct visualization supporting the idea that the exocellulase selectively hydrolyzes the hydrophobic faces of cellulose. The limited accessibility of the hydrophobic faces in native cellulose may contribute significantly to the rate-limiting slowness of cellulose hydrolysis.
C1 [Liu, Yu-San; Baker, John O.; Zeng, Yining; Himmel, Michael E.; Haas, Thomas; Ding, Shi-You] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA.
[Liu, Yu-San; Zeng, Yining; Himmel, Michael E.; Haas, Thomas; Ding, Shi-You] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Ding, SY (reprint author), Natl Renewable Energy Lab, Biosci Ctr, 1617 Cole Blvd, Golden, CO 80401 USA.
EM Shi.you.Ding@nrel.gov
RI Ding, Shi-You/O-1209-2013
FU United States Department of Energy (DOE), Office of Energy Efficiency
and Renewable Energy; United States DOE Office of Science, Office of
Biological and Environmental Research through the BioEnergy Science
Center; DOE Bioenergy Research Center
FX This work was supported by the United States Department of Energy (DOE),
Office of Energy Efficiency and Renewable Energy, the Office of the
Biomass Program for the work to develop enzymes, and the United States
DOE Office of Science, Office of Biological and Environmental Research
through the BioEnergy Science Center, a DOE Bioenergy Research Center,
for the work on AFM visualization and analysis.
NR 32
TC 62
Z9 64
U1 5
U2 59
PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA
SN 0021-9258
J9 J BIOL CHEM
JI J. Biol. Chem.
PD APR 1
PY 2011
VL 286
IS 13
BP 11195
EP 11201
DI 10.1074/jbc.M110.216556
PG 7
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 740LW
UT WOS:000288797100030
PM 21282110
ER
PT J
AU Zhang, XL
Ting, K
Bessette, CM
Culiat, CT
Sung, SJ
Lee, H
Chen, F
Shen, J
Wang, JJ
Kuroda, S
Soo, C
AF Zhang, Xinli
Ting, Kang
Bessette, Catherine M.
Culiat, Cymbeline T.
Sung, Sang Jin
Lee, Haofu
Chen, Feng
Shen, Jia
Wang, James J.
Kuroda, Shun'ichi
Soo, Chia
TI Nell-1, a Key Functional Mediator of Runx2, Partially Rescues Calvarial
Defects in Runx2(+/-) Mice
SO JOURNAL OF BONE AND MINERAL RESEARCH
LA English
DT Article
DE NELL-1; RUNX2; TRANSGENIC ANIMAL; CRANIOFACIAL DEVELOPMENT;
CLEIDOCRANIAL DYSPLASIA
ID CRANIOSYNOSTOSIS-ASSOCIATED GENE; BONE MORPHOGENETIC PROTEIN-2;
OSTEOBLAST DIFFERENTIATION; TRANSCRIPTION FACTOR; CLEIDOCRANIAL
DYSPLASIA; CBFA1-DEFICIENT MICE; CBFA1; EXPRESSION; CELLS; BIOLOGY
AB Mesenchymal stem cell commitment to an osteoprogenitor lineage requires the activity of Runx2, a molecule implicated in the etiopathology of multiple congenital craniofacial anomalies. Through promoter analyses, we have recently identified a new direct transcriptional target of Runx2, Nell-1, a craniosynostosis (CS)-associated molecule with potent osteogenic properties. This study investigated the mechanistic and functional relationship between Nell-1 and Runx2 in regulating osteoblast differentiation. The results showed that spatiotemporal distribution and expression levels of Nell-1 correlated closely with those of endogenous Runx2 during craniofacial development. Phenotypically, cross-mating Nell-1 overexpression transgenic (CMV-Nell-1) mice with Runx2 haploinsufficient (Runx2(+/-)) mice partially rescued the calvarial defects in the cleidocranial dysplasia (CCD)-like phenotype of Runx2(+/-) mice, whereas Nell-1 protein induced mineralization and bone formation in Runx2(+/-) but not 2(-/-) calvarial explants. Runx2-mediated osteoblastic gene expression and/or mineralization was severely reduced by Nell-1 siRNA oligos transfection into Runx2(+/+) newborn mouse calvarial cells (NMCCs) or in N-ethyl-N-nitrosourea (ENU)-induced Nell-1(-/-) NMCCs. Meanwhile, Nell-1 overexpression partially rescued osteoblastic gene expression but not mineralization in Runx2 null (Runx2(-/-)) NMCCs. Mechanistically, irrespective of Runx2 genotype, Nell-1 signaling activates ERK1/2 and JNK1 mitogen-activated protein kinase (MAPK) pathways in NMCCs and enhances Runx2 phosphorylation and activity when Runx2 is present. Collectively, these data demonstrate that Nell-1 is a critical downstream Runx2 functional mediator insofar as Runx2-regulated Nell-1 promotes osteoblastic differentiation through, in part, activation of MAPK and enhanced phosphorylation of Runx2, and Runx2 activity is significantly reduced when Nell-1 is blocked or absent. (C) 2011 American Society for Bone and Mineral Research.
C1 [Zhang, Xinli; Ting, Kang; Chen, Feng; Shen, Jia] Univ Calif Los Angeles, Dent & Craniofacial Res Inst, Los Angeles, CA 90095 USA.
[Zhang, Xinli; Ting, Kang; Lee, Haofu; Wang, James J.] Univ Calif Los Angeles, Sch Dent, Sect Orthodont, Los Angeles, CA 90095 USA.
[Ting, Kang; Soo, Chia] Univ Calif Los Angeles, Sch Med, Los Angeles, CA 90095 USA.
[Bessette, Catherine M.] Univ Calif Los Angeles, Dept Bioengn, Los Angeles, CA 90095 USA.
[Culiat, Cymbeline T.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Sung, Sang Jin] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Orthodont, Seoul, South Korea.
[Kuroda, Shun'ichi] Nagoya Univ, Grad Sch Bioagr Sci, Dept Ind Biosci, Nagoya, Aichi 4648601, Japan.
RP Ting, K (reprint author), Univ Calif Los Angeles, Dent & Craniofacial Res Inst, 10833 Le Conte Ave,CHS 30-117, Los Angeles, CA 90095 USA.
EM kting@dentistry.ucla.edu
FU NIH/NIDCR [R21 DE0177711, RO1 DE01607]; UC Discovery Grant [07-10677];
Thomas R Bales Endowed Chair
FX We would like to thank Drs Wenfang Wang and Bjorn R Olsen at Harvard
University for providing the Runx2 knockout mouse and pcDNA-Runx2
expression plasmid and Dr Renny T Franceschi at the University of
Michigan for providing the AdRunx2 adenovirus and 6OSE2 plasmid. This
work was supported by the NIH/NIDCR (Grants R21 DE0177711 and RO1
DE01607), UC Discovery Grant 07-10677, and the Thomas R Bales Endowed
Chair.
NR 44
TC 32
Z9 36
U1 5
U2 8
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0884-0431
J9 J BONE MINER RES
JI J. Bone Miner. Res.
PD APR
PY 2011
VL 26
IS 4
BP 777
EP 791
DI 10.1002/jbmr.267
PG 15
WC Endocrinology & Metabolism
SC Endocrinology & Metabolism
GA 741KA
UT WOS:000288861400012
PM 20939017
ER
PT J
AU Ma, R
Zheng, CM
Tonkin, M
Zachara, JM
AF Ma, Rui
Zheng, Chunmiao
Tonkin, Matt
Zachara, John M.
TI Importance of considering intraborehole flow in solute transport
modeling under highly dynamic flow conditions
SO JOURNAL OF CONTAMINANT HYDROLOGY
LA English
DT Article
DE Hanford IFRC site; Intraborehole flow; Dynamic flow; Solute transport
modeling; Aquifer heterogeneity
ID WELLS; BIAS
AB Correct interpretation of tracer test data is critical for understanding transport processes in the subsurface. This task can be greatly complicated by the presence of intraborehole flows in a highly dynamic flow environment. At a new tracer test site (Hanford IFRC) a dynamic flow field created by changes in the stage of the adjacent Columbia River, coupled with a heterogeneous hydraulic conductivity distribution, leads to considerable variations in vertical hydraulic gradients. These variations, in turn, create intraborehole flows in fully-screened (6.5 m) observation wells with frequently alternating upward and downward movement. This phenomenon, in conjunction with a highly permeable aquifer formation and small horizontal hydraulic gradients, makes modeling analysis and model calibration a formidable challenge. Groundwater head data alone were insufficient to define the flow model boundary conditions, and the movement of the tracer was highly sensitive to the dynamics of the flow field. This study shows that model calibration can be significantly improved by explicitly considering (a) dynamic flow model boundary conditions and (b) intraborehole flow. The findings from this study underscore the difficulties in interpreting tracer tests and understanding solute transport under highly dynamic flow conditions. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Ma, Rui; Zheng, Chunmiao] Univ Alabama, Dept Geol Sci, Tuscaloosa, AL 35487 USA.
[Ma, Rui] China Univ Geosci, MOE Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China.
[Tonkin, Matt] SS Papadopulos & Associates Inc, Bethesda, MD USA.
[Zachara, John M.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Zheng, CM (reprint author), Univ Alabama, Dept Geol Sci, Tuscaloosa, AL 35487 USA.
EM czheng@ua.edu
RI Zheng, Chunmiao/I-5257-2014
OI Zheng, Chunmiao/0000-0001-5839-1305
FU U.S. Department of Energy (DOE)
FX This research was supported by the Integrated Field-Scale Subsurface
Research Challenge (IFRC) Project of the U.S. Department of Energy
(DOE). We are grateful to Keith Halford and two anonymous reviewers
whose constructive comments have led to significant improvement of this
paper.
NR 31
TC 14
Z9 15
U1 1
U2 29
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0169-7722
J9 J CONTAM HYDROL
JI J. Contam. Hydrol.
PD APR 1
PY 2011
VL 123
IS 1-2
BP 11
EP 19
DI 10.1016/j.jconhyd.2010.12.001
PG 9
WC Environmental Sciences; Geosciences, Multidisciplinary; Water Resources
SC Environmental Sciences & Ecology; Geology; Water Resources
GA 745AL
UT WOS:000289136200002
PM 21216023
ER
PT J
AU Ishii, N
AF Ishii, Noriyuki
TI Investigation on Stability of Transporter Protein, Glucuronide
Transporter from Escherichia coli (vol 235, pg 63, 2010)
SO JOURNAL OF MEMBRANE BIOLOGY
LA English
DT Correction
C1 [Ishii, Noriyuki] Natl Inst Adv Ind Sci & Technol, Biol Informat Res Ctr, Tsukuba, Ibaraki 3058566, Japan.
[Ishii, Noriyuki] NYU, Sch Med, Dept Cell Biol, Skirball Inst Biomol Med, New York, NY 10016 USA.
[Ishii, Noriyuki] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Donner Lab,Mol & Cell Biol Dept, Berkeley, CA 94720 USA.
[Ishii, Noriyuki] Natl Inst Adv Ind Sci & Technol, Biomed Res Inst, Tsukuba, Ibaraki 3058566, Japan.
RP Ishii, N (reprint author), Natl Inst Adv Ind Sci & Technol, Biomed Res Inst, Tsukuba Cent 6,1-1-1 Higashi, Tsukuba, Ibaraki 3058566, Japan.
EM ishii@ni.aist.go.jp
NR 1
TC 1
Z9 1
U1 1
U2 2
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2631
J9 J MEMBRANE BIOL
JI J. Membr. Biol.
PD APR
PY 2011
VL 240
IS 3
BP 171
EP 171
DI 10.1007/s00232-011-9355-9
PG 1
WC Biochemistry & Molecular Biology; Cell Biology; Physiology
SC Biochemistry & Molecular Biology; Cell Biology; Physiology
GA 744OJ
UT WOS:000289103600007
ER
PT J
AU Zhang, J
Liu, W
AF Zhang, Jian
Liu, Wei
TI Thin porous metal sheet-supported NaA zeolite membrane for water/ethanol
separation
SO JOURNAL OF MEMBRANE SCIENCE
LA English
DT Article
DE Zeolite membrane; NaA zeolite; Porous metal support; Dehydration;
Water/ethanol separation
ID DEHYDRATION PERFORMANCE; ETHANOL-PRODUCTION; PERVAPORATION; MIXTURES;
PERMEATION; ADSORPTION; DIFFUSION; MODULE
AB This paper reports the preparation and separation testing of a NaA (or 4A-type) water-selective zeolite membrane, which is supported on a robust, porous metal sheet 50 mu m thick. This thin sheet support has great potential for the development of a low-cost, inorganic membrane module of high membrane surface area packing density (m(2)/m(3)). The porous Ni alloy sheet of micrometer or sub-micrometer mean pore size was prepared in-house to evaluate different zeolite membrane deposition methods and conditions. The membranes were characterized by SEM. XRD and water/ethanol separation tests. High quality NaA zeolite membranes of thickness < 2 mu m were obtained by the secondary hydrothermal growth method. These membranes show a water/ethanol separation factor of > 10,000 and water permeation flux of about 4 kg/(m(2) h) at 75 degrees C with a feed of 10% (w/w) water in ethanol. Stability of the membranes has also been demonstrated in 66-h continuous testing at 75 degrees C and 90 degrees C. The separation performance is discussed with different model equations. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Zhang, Jian; Liu, Wei] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99354 USA.
RP Liu, W (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99354 USA.
EM wei.liu@pnl.gov
FU US Department of Energy, Office of Industrial Technology
[DE-FC36-04GO98014]; ADMA; Pacific Ethanol Inc.
FX This work has been supported by US Department of Energy, Office of
Industrial Technology Program under contract number DE-FC36-04GO98014,
and by our industrial partnership with ADMA Products and Pacific Ethanol
Inc. We would like to thank our colleagues at PNNL, Mr. Nathan Canfield,
Laxmikant Saraf, Jarrod Crum, for their help to some experimental and
characterization work. We would also like to thank the Environmental
Molecular Science Laboratory (EMSL) of Pacific Northwest National
Laboratory for providing clean room work space and analytical
facilities. EMSL is DOE's user facility.
NR 23
TC 16
Z9 20
U1 2
U2 48
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0376-7388
J9 J MEMBRANE SCI
JI J. Membr. Sci.
PD APR 1
PY 2011
VL 371
IS 1-2
BP 197
EP 210
DI 10.1016/j.memsci.2011.01.032
PG 14
WC Engineering, Chemical; Polymer Science
SC Engineering; Polymer Science
GA 744ZQ
UT WOS:000289134100024
ER
PT J
AU O'Brien, CP
Gellman, AJ
Morreale, BD
Miller, JB
AF O'Brien, Casey P.
Gellman, Andrew J.
Morreale, Bryan D.
Miller, James B.
TI The hydrogen permeability of Pd4S
SO JOURNAL OF MEMBRANE SCIENCE
LA English
DT Article
DE Palladium membrane; Hydrogen permeation; Sulfur corrosion
ID FILM COMPOSITE MEMBRANES; DISSOCIATIVE ADSORPTION; AB-INITIO; DIFFUSION;
TRANSPORT; PALLADIUM; RESISTANCE; SURFACE; ALLOYS; MODEL
AB Hydrogen permeates rapidly through pure Pd membranes, but H2S, a common minor component in hydrogen-containing streams, produces a Pd4S film on the Pd surface that severely retards hydrogen permeation. Hydrogen still permeates through the bi-layered Pd4S/Pd structure, indicating that the Pd4S surface is active for H-2 dissociation; the low hydrogen permeability of the Pd4S film is responsible for the decreased rate of hydrogen transport. In this work, the hydrogen permeability of Pd4S was determined experimentally in the 623-773 K temperature range. Bi-layered Pd4S/Pd foils were produced by exposing pure Pd foils to H2S. H-2 fluxes through the bi-layered Pd4S/Pd foils were measured during exposure to both pure H-2 and a 1000 ppm H2S in H-2 gas mixture. Our results show that H2S slows hydrogen permeation through Pd mainly by producing a Pd4S film on the Pd surface that is roughly an order-of-magnitude less permeable to hydrogen (k(Pd4S) = 10(-7.5) exp(-0.22 eV/k(B)T)molH(2)/m/s/Pa-1/2) than pure Pd. The presence of H2S in the gas stream results in greater inhibition of hydrogen transport than can be explained by the very low permeability of Pd4S. H2S may block H-2 dissociation sites at the Pd4S surface. (C) 2011 Elsevier B.V. All rights reserved.
C1 [O'Brien, Casey P.; Gellman, Andrew J.; Miller, James B.] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
[O'Brien, Casey P.; Gellman, Andrew J.; Morreale, Bryan D.; Miller, James B.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Miller, JB (reprint author), Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
EM jbmiller@andrew.cmu.edu
RI Gellman, Andrew/M-2487-2014
OI Gellman, Andrew/0000-0001-6618-7427
FU National Energy Technology Laboratory [DE-AC26-04NT41817]
FX This technical effort was performed in support of the National Energy
Technology Laboratory's on-going research in Computational and Basic
Sciences under the RDS contract DE-AC26-04NT41817.
NR 18
TC 16
Z9 16
U1 2
U2 17
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0376-7388
J9 J MEMBRANE SCI
JI J. Membr. Sci.
PD APR 1
PY 2011
VL 371
IS 1-2
BP 263
EP 267
DI 10.1016/j.memsci.2011.01.044
PG 5
WC Engineering, Chemical; Polymer Science
SC Engineering; Polymer Science
GA 744ZQ
UT WOS:000289134100031
ER
PT J
AU Beste, A
Buchanan, AC
AF Beste, Ariana
Buchanan, A. C., III
TI Kinetic Analysis of the Phenyl-Shift Reaction in beta-O-4 Lignin Model
Compounds: A Computational Study
SO JOURNAL OF ORGANIC CHEMISTRY
LA English
DT Article
ID O-NEOPHYL REARRANGEMENT; 1,1-DIARYLALKOXYL RADICALS;
ALPHA/BETA-SELECTIVITIES; BRIDGED INTERMEDIATE; PYROLYTIC CLEAVAGE;
ETHER; BIOMASS; SCISSION; FUELS; DECOMPOSITION
AB The phenyl-shift reaction for the beta-radical of phenethyl phenyl ether (PhCH2CHOPh, beta-PPE) is an integral step in the pyrolysis of PPE, which is a model compound for the beta-O-4 linkage in lignin. We investigated the influence of natural occurring substituents (hydroxy, methoxy) on the reaction rate by calculating relative rate constants using density functional theory in combination with transition state theory, including anharmonic correction for low-frequency modes. The phenyl-shift reaction proceeds through an oxaspiro[2.5]octadienyl radical intermediate and the overall rate constants were computed invoking the steady-state approximation (its validity was confirmed). Substituents on the phenethyl ring have only little influence on the rate constants. If a methoxy substituent is located in the para position of the phenyl ring adjacent to the ether oxygen, the energies of the intermediate and second transition state are lowered, but the overall rate constant is not significantly altered. This is a consequence of the dominating first transition from reactant to intermediate in the overall rate constant. In contrast, o- and di-o-methoxy substituents significantly accelerate the phenyl-migration rate compared to beta-PPE.
C1 [Beste, Ariana] Oak Ridge Natl Lab, Joint Inst Computat Sci, Oak Ridge, TN 37831 USA.
[Buchanan, A. C., III] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Beste, A (reprint author), Oak Ridge Natl Lab, Joint Inst Computat Sci, Oak Ridge, TN 37831 USA.
EM bestea@ornl.gov
OI Beste, Ariana/0000-0001-9132-792X
FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, U.S. Department of Energy [DE-AC05-00OR22725];
National Science Foundation
FX We would like to thank Jarod M. Younker for his assistance. This
research was sponsored by the Division of Chemical Sciences,
Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S.
Department of Energy and was performed in part using the resources of
the Center for Computational Sciences at Oak Ridge National Laboratory
under contract DE-AC05-00OR22725. It was also supported by an allocation
of advanced computing resources provided by the National Science
Foundation; computations were performed on Kraken at the National
Institute for Computational Sciences (http://www.nics.tennessee.edu/).
NR 35
TC 28
Z9 29
U1 0
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0022-3263
J9 J ORG CHEM
JI J. Org. Chem.
PD APR 1
PY 2011
VL 76
IS 7
BP 2195
EP 2203
DI 10.1021/jo2000385
PG 9
WC Chemistry, Organic
SC Chemistry
GA 739DC
UT WOS:000288692000024
PM 21381723
ER
PT J
AU Ito, J
Batth, TS
Petzold, CJ
Redding-Johanson, AM
Mukhopadhyay, A
Verboom, R
Meyer, EH
Millar, AH
Heazlewood, JL
AF Ito, Jun
Batth, Tanveer S.
Petzold, Christopher J.
Redding-Johanson, Alyssa M.
Mukhopadhyay, Aindrila
Verboom, Robert
Meyer, Etienne H.
Millar, A. Harvey
Heazlewood, Joshua L.
TI Analysis of the Arabidopsis Cytosolic Proteome Highlights Subcellular
Partitioning of Central Plant Metabolism
SO JOURNAL OF PROTEOME RESEARCH
LA English
DT Article
DE Arabidopsis; cytosol; MudPIT; SUBA; plant proteomics; SRM
ID PENTOSE-PHOSPHATE PATHWAY; PHOSPHORIBOSYL DIPHOSPHATE SYNTHASE;
GENE-EXPRESSION; LOCALIZATION PREDICTOR; BIOTIN SYNTHESIS; CELL-CULTURE;
DATA SETS; BIOSYNTHESIS; THALIANA; MITOCHONDRIAL
AB The plant cell cytosol is a dynamic and complex intracellular matrix that, by definition, contains no compartmentalization. Nonetheless, it maintains a wide variety of biochemical networks and often links metabolic pathways across multiple organelles. There have been numerous detailed proteomic studies of organelles in the model plant Arabidopsis thaliana, although no such analysis has been undertaken on the cytosol. The cytosolic protein fraction from cell suspensions of Arabidopsis thaliana was isolated and analyzed using offline strong cation exchange liquid chromatography and LC-MS/MS. This generated a robust set of 1071 cytosolic proteins. Functional annotation of this set revealed major activities in protein synthesis and degradation, RNA metabolism and basic sugar metabolism. This included an array of important cytosol-related functions, specifically the ribosome, the set of tRNA catabolic enzymes, the ubiquitin-proteasome pathway, glycolysis and associated sugar metabolism pathways, phenylpropanoid biosynthesis, vitamin metabolism, nucleotide metabolism, an array of signaling and stressresponsive molecules, and NDP-sugar biosynthesis. This set of cytosolic proteins provides for the first time an extensive analysis of enzymes responsible for the myriad of reactions in the Arabidopsis cytosol and defines an experimental set of plant protein sequences that are not targeted to subcellular locations following translation and folding in the cytosol.
C1 [Ito, Jun; Batth, Tanveer S.; Petzold, Christopher J.; Redding-Johanson, Alyssa M.; Mukhopadhyay, Aindrila; Heazlewood, Joshua L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
[Ito, Jun; Batth, Tanveer S.; Petzold, Christopher J.; Redding-Johanson, Alyssa M.; Mukhopadhyay, Aindrila; Heazlewood, Joshua L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Verboom, Robert; Meyer, Etienne H.; Millar, A. Harvey] Univ Western Australia, Australian Res Council ARC Ctr Excellence Plant E, Crawley, WA 6009, Australia.
[Verboom, Robert; Meyer, Etienne H.] Univ Western Australia, Ctr Comparat Anal Biomol Networks, Crawley, WA 6009, Australia.
[Meyer, Etienne H.] CNRS, Inst Biol Mol Plantes, F-67084 Strasbourg, France.
RP Heazlewood, JL (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Joint BioEnergy Inst, 1 Cyclotron Rd,MS 978-4466, Berkeley, CA 94720 USA.
EM jlheazlewood@lbl.gov
RI Millar, A. Harvey/A-5452-2008; Heazlewood, Joshua/A-2554-2008; Meyer,
Etienne/C-1952-2008
OI Millar, A. Harvey/0000-0001-9679-1473; Heazlewood,
Joshua/0000-0002-2080-3826; Meyer, Etienne/0000-0003-4712-9824
FU U.S. Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; Australian Research Council
(ARC); ARC Centre of Excellence in Plant Energy Biology
FX This work was part of the DOE Joint BioEnergy Institute
(http://www.jbei.org) supported by 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. A.H.M. is supported by the Australian
Research Council (ARC) as an Australian Professorial Fellow and by the
ARC Centre of Excellence in Plant Energy Biology. We are grateful to
Prof. Stephen Fry and the Edinburgh Cell Wall Group (University of
Edinburgh) for providing the Arabidopsis cell culture. We also thank
Anongpat Suttangkakul (Joint BioEnergy Institute) for her assistance
with ubiquitin/26S proteasome nomenclature.
NR 75
TC 52
Z9 60
U1 2
U2 19
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1535-3893
J9 J PROTEOME RES
JI J. Proteome Res.
PD APR
PY 2011
VL 10
IS 4
BP 1571
EP 1582
DI 10.1021/pr1009433
PG 12
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 742EL
UT WOS:000288924000013
PM 21166475
ER
PT J
AU Reese, CS
Wilson, AG
Guo, JQ
Hamada, MS
Johnson, VE
AF Reese, C. Shane
Wilson, Alyson G.
Guo, Jiqiang
Hamada, Michael S.
Johnson, Valen E.
TI A Bayesian Model for Integrating Multiple Sources of Lifetime
Information in System-Reliability Assessments
SO JOURNAL OF QUALITY TECHNOLOGY
LA English
DT Article
DE Censored Data; Expert Opinion; Lifetime Data; Markov Chain Monte Carlo;
Multicomponent System; Multilevel Data; Prior Information
ID FAULT-TREE QUANTIFICATION; COMPONENT TEST DATA; COMPLEX-SYSTEMS; SERIES
SYSTEMS; BINOMIAL SUBSYSTEMS; CONFIDENCE LIMITS; PARALLEL SYSTEMS;
INFERENCE; INTERVALS
AB We present a Bayesian model for assessing the reliability of multicomponent systems. Novel features of this model are the natural manner in which lifetime data collected at either the component, subsystem, or system level are integrated with prior information at any level. The model allows pooling of information between similar components, the incorporation of expert opinion, and straightforward handling of censored data. The methodology is illustrated with two examples.
C1 [Reese, C. Shane] Brigham Young Univ, Dept Stat, Provo, UT 84602 USA.
[Wilson, Alyson G.; Guo, Jiqiang] Iowa State Univ, Dept Stat, Ames, IA 50011 USA.
[Hamada, Michael S.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Johnson, Valen E.] Univ Texas MD Anderson Canc Ctr, Dept Biostat & Appl Math, Houston, TX 77030 USA.
RP Reese, CS (reprint author), Brigham Young Univ, Dept Stat, Provo, UT 84602 USA.
EM reese@stat.byu.edu; agw@iastate.edu; jqguo@iastate.edu; hamada@lanl.gov;
vejohnson@mdanderson.org
OI Wilson, Alyson/0000-0003-1461-6212
NR 56
TC 17
Z9 17
U1 1
U2 6
PU AMER SOC QUALITY CONTROL-ASQC
PI MILWAUKEE
PA 600 N PLANKINTON AVE, MILWAUKEE, WI 53203 USA
SN 0022-4065
J9 J QUAL TECHNOL
JI J. Qual. Technol.
PD APR
PY 2011
VL 43
IS 2
BP 127
EP 141
PG 15
WC Engineering, Industrial; Operations Research & Management Science;
Statistics & Probability
SC Engineering; Operations Research & Management Science; Mathematics
GA 744WQ
UT WOS:000289126300004
ER
PT J
AU Hadjar, O
Johnson, G
Laskin, J
Kibelka, G
Shill, S
Kuhn, K
Cameron, C
Kassan, S
AF Hadjar, Omar
Johnson, Grant
Laskin, Julia
Kibelka, Gottfried
Shill, Scott
Kuhn, Ken
Cameron, Chad
Kassan, Scott
TI IonCCD (TM) for Direct Position-Sensitive Charged-Particle Detection:
from Electrons and keV Ions to Hyperthermal Biomolecular Ions
SO JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
LA English
DT Article
DE IonCCD; Pixelated detector; Charged particle detection; Beam profiling;
Non-scanning mass spectrometry; Double-focusing sector field;
Hyper-thermal ions; Simultaneous mixture separation; Micro-array
deposition
ID INDUCTIVELY-COUPLED PLASMA; GEOMETRY MASS SPECTROGRAPH; ARRAY DETECTOR;
PREPARATIVE SEPARATION; IMPACT IONIZATION; MAGNETIC-SECTOR;
CROSS-SECTIONS; SPECTROMETRY; SOFT; SURFACES
AB A novel, low-cost, pixel-based detector array (described elsewhere Sinha and Wadsworth (76(2), 1) is examined using different charged particles, from electrons to hyperthermal (< 100 eV) large biomolecular positive and negative ions, including keV small atomic and molecular ions. With this in mind, it is used in instrumentation design (beam profiling), mass spectrometry, and electron spectroscopy. The array detector is a modified light-sensitive charge-coupled device (CCD) that was engineered for direct charged-particle detection by replacing the semiconductor part of the CCD pixel with a conductor Sinha and Wadsworth (76(2), 1). The device is referred to as the IonCCD. For the first time, we show the direct detection of 250-eV electrons, providing linearity response of the IonCCD to the electron beam current. We demonstrate that the IonCCD detection efficiency is virtually independent from the particle energy (250 eV, 1250 eV), impact angle (45(o), 90(o)) and flux. By combining the IonCCD with a double-focusing sector field mass spectrometer (MS) of Mattauch-Herzog geometry (MH-MS), we demonstrate fast data acquisition. Detection of hyperthermal biomolecular ions produced using an electrospray ionization source (ESI) is also presented. In addition, the IonCCD was used as a beam profiler to characterize the beam shape and intensity of 15 eV protonated and deprotonated biomolecular ions at the exit of an rf-only collisional quadrupole. This demonstrates an ion-beam profiling application for instrument design. Finally, we present simultaneous detection of 140 eV doubly protonated biomolecular ions when the IonCCD is combined with the MH-MS. This demonstrates the possibility of simultaneous separation and micro-array deposition of biological material using a miniature MH-MS.
C1 [Hadjar, Omar; Kibelka, Gottfried; Shill, Scott; Kuhn, Ken; Cameron, Chad; Kassan, Scott] OI Analyt, CMS Field Prod, Pelham, AL 35124 USA.
[Johnson, Grant; Laskin, Julia] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA.
RP Hadjar, O (reprint author), OI Analyt, CMS Field Prod, 2148 Pelham Pkwy,Bldg 400, Pelham, AL 35124 USA.
EM ohadjar@oico.com
RI Laskin, Julia/H-9974-2012
OI Laskin, Julia/0000-0002-4533-9644
FU OI Analytical; Chemical Sciences Division, Office of Basic Energy
Sciences of the U.S. Department of Energy; Pacific Northwest National
Laboratory (PNNL); W. R. Wiley Environmental Molecular Sciences
Laboratory (EMSL); U.S. DOE Office of Biological and Environmental
Research located at PNNL
FX The authors acknowledge support for this work by OI Analytical; the
Chemical Sciences Division, Office of Basic Energy Sciences of the U.S.
Department of Energy (J.L.); and the Laboratory Directed Research and
Development Program (G.J.) at the Pacific Northwest National Laboratory
(PNNL). O.H. acknowledges the support of OI Analytical for this research
with a special thanks to Todd Brown. The work was performed at the CMS
Field Products subsidiary of OI Analytical and at the W. R. Wiley
Environmental Molecular Sciences Laboratory (EMSL), a national
scientific user facility sponsored by the U.S. DOE Office of Biological
and Environmental Research located at PNNL.
NR 41
TC 20
Z9 20
U1 0
U2 6
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1044-0305
J9 J AM SOC MASS SPECTR
JI J. Am. Soc. Mass Spectrom.
PD APR
PY 2011
VL 22
IS 4
BP 612
EP 623
DI 10.1007/s13361-010-0067-7
PG 12
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry,
Physical; Spectroscopy
SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy
GA 739JQ
UT WOS:000288713600002
PM 21472600
ER
PT J
AU Miller, MK
Parish, CM
AF Miller, M. K.
Parish, C. M.
TI Role of alloying elements in nanostructured ferritic steels
SO MATERIALS SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Oxide dispersion strengthened steels; Nanostructured ferritic alloys;
Atom probe tomography; Spectrum imaging; Grain boundaries; Solute
segregation
ID SPINODAL DECOMPOSITION; ATOMIC-LEVEL; STRENGTH
AB The roles of the alloying elements in three nanostructured ferritic alloys (14YWT, MA957 and Eurofer 97) have been established through the characterisation of the microstructure by atom probe tomography and spectrum imaging in a transmission electron microscope. Cr, W, Mo, Ti and Y were found in the ferrite matrix and contributed to solid solution hardening. Ti, Y, C, O and N were found in high number densities of precipitates and nanoclusters both in the grain interior and on grain boundaries and thereby contributed to precipitation hardening. Cr, W and Mo were enriched at the intraparticle regions of the grain boundaries. The solute segregation and precipitation pinned the grain boundaries and contributed to the excellent creep properties of the alloys.
C1 [Miller, M. K.; Parish, C. M.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Miller, MK (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
EM millermk@ornl.gov
RI Parish, Chad/J-8381-2013
FU Office of Basic Energy Sciences, US Department of Energy; US Government
[DE-AC05-00OR22725]; US Department of Energy
FX The authors thank Ms K. F. Russell, Ms K. A. Power and Dr D. T. Hoelzer
of Oak Ridge National Laboratory (ORNL) for their assistance, Dr R.
Lindau of the Karlsruher Institute for Technology, Germany, for
supplying the Eurofer 97 alloy and Dr J. Caola, Dr C. Henry and Dr L. Fu
of FEI Company, Hillsboro, OR, USA, for the use of the Tecnai Osiris
TEM/STEM instrument. The present research was sponsored by the Office of
Basic Energy Sciences, US Department of Energy, and by ORNL's Shared
Research Equipment (SHaRE) User Facility, which is sponsored by the
Office of Basic Energy Sciences, US Department of Energy. This
submission was sponsored by a contractor of the US Government under
contract no. DE-AC05-00OR22725 with the US Department of Energy. The US
Government retains, and the publisher, by accepting this submission 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 submission, or allow others to do
so, for US Government purposes.
NR 22
TC 32
Z9 32
U1 2
U2 28
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
SN 0267-0836
EI 1743-2847
J9 MATER SCI TECH-LOND
JI Mater. Sci. Technol.
PD APR
PY 2011
VL 27
IS 4
BP 729
EP 734
DI 10.1179/1743284710Y.0000000039
PG 6
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 744FM
UT WOS:000289080300004
ER
PT J
AU Narayan, RJ
Boehm, RD
Sumant, AV
AF Narayan, Roger J.
Boehm, Ryan D.
Sumant, Anirudha V.
TI Medical applications of diamond particles & surfaces
SO MATERIALS TODAY
LA English
DT Review
ID CHEMICAL-VAPOR-DEPOSITION; ON-A-CHIP; NANOCRYSTALLINE DIAMOND;
ULTRANANOCRYSTALLINE DIAMOND; THIN-FILMS; FLUORESCENT NANODIAMONDS;
IN-VIVO; DELIVERY; COATINGS; SILICON
AB Diamond has been considered for use in several medical applications due to its unique mechanical, chemical, optical, and biological properties. In this paper, methods for preparing synthetic diamond surfaces and particles are described. In addition, recent developments involving the use of diamond in prostheses, sensing, imaging, and drug delivery applications are reviewed. These developments suggest that diamond-containing structures will provide significant improvements in the diagnosis and treatment of medical conditions over the coming years.
C1 [Narayan, Roger J.; Boehm, Ryan D.] Univ N Carolina, Joint Dept Biomed Engn, Raleigh, NC USA.
[Narayan, Roger J.; Boehm, Ryan D.] N Carolina State Univ, Raleigh, NC 27695 USA.
[Sumant, Anirudha V.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Narayan, RJ (reprint author), Univ N Carolina, Joint Dept Biomed Engn, Raleigh, NC USA.
EM roger_narayan@unc.edu
RI Narayan, Roger/J-2789-2013
OI Narayan, Roger/0000-0002-4876-9869
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]
FX One of the authors (AVS) would like to acknowledge use of the Center for
Nanoscale Materials, which is supported by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences, under
Contract No. DE-AC02-06CH11357.
NR 78
TC 14
Z9 14
U1 2
U2 28
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1369-7021
J9 MATER TODAY
JI Mater. Today
PD APR
PY 2011
VL 14
IS 4
BP 154
EP 163
PG 10
WC Materials Science, Multidisciplinary
SC Materials Science
GA 742AZ
UT WOS:000288911800019
ER
PT J
AU Pan, CL
Fischer, CR
Hyatt, D
Bowen, BP
Hettich, RL
Banfield, JF
AF Pan, Chongle
Fischer, Curt R.
Hyatt, Doug
Bowen, Benjamin P.
Hettich, Robert L.
Banfield, Jillian F.
TI Quantitative Tracking of Isotope Flows in Proteomes of Microbial
Communities
SO MOLECULAR & CELLULAR PROTEOMICS
LA English
DT Article
ID PROBING PROTEIN-SIP; ACID-MINE DRAINAGE; MASS-SPECTROMETRY;
METABOLIC-ACTIVITY; YEAST PROTEOME; RECONSTRUCTION; IDENTIFICATION;
DISTRIBUTIONS; BIOFILMS; BACTERIA
AB Stable isotope probing (SIP) has been used to track nutrient flows in microbial communities, but existing protein-based SIP methods capable of quantifying the degree of label incorporation into peptides and proteins have been demonstrated only by targeting usually less than 100 proteins per sample. Our method automatically (i) identifies the sequence of and (ii) quantifies the degree of heavy atom enrichment for thousands of proteins from microbial community proteome samples. These features make our method suitable for comparing isotopic differences between closely related protein sequences, and for detecting labeling patterns in low-abundance proteins or proteins derived from rare community members. The proteomic SIP method was validated using proteome samples of known stable isotope incorporation levels at 0.4%, similar to 50%, and similar to 98%. The method was then used to monitor incorporation of (15)N into established and regrowing microbial biofilms. The results indicate organism-specific migration patterns from established communities into regrowing communities and provide insights into metabolism during biofilm formation. The proteomic SIP method can be extended to many systems to track fluxes of (13)C or (15)N in microbial communities. Molecular & Cellular Proteomics 10: 10.1074/mcp.M110.006049, 1-11, 2011.
C1 [Pan, Chongle] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Pan, Chongle; Hettich, Robert L.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Pan, Chongle; Hyatt, Doug] Oak Ridge Natl Lab, BioSci Div, Oak Ridge, TN 37831 USA.
[Fischer, Curt R.; Banfield, Jillian F.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
[Bowen, Benjamin P.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Pan, CL (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
EM panc@ornl.gov; jbanfield@berkeley.edu
RI Hettich, Robert/N-1458-2016
OI Hettich, Robert/0000-0001-7708-786X
FU US Department of Energy, Office of Biological and Environmental Research
[DE-SC0004665]; Systems Biology Knowledgebase [DE-SC0004918]; Office of
Advanced Scientific Computing Research; Department of Energy
[DOE-AC05-00OR22725]
FX This work was funded by the US Department of Energy, Office of
Biological and Environmental Research Carbon-Cycling Program
(DE-SC0004665), Systems Biology Knowledgebase (DE-SC0004918) and Office
of Advanced Scientific Computing Research SciDAC program. Oak Ridge
National Laboratory is managed by University of Tennessee-Battelle LLC
for the Department of Energy under contract DOE-AC05-00OR22725.
NR 31
TC 23
Z9 23
U1 0
U2 17
PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA
SN 1535-9476
J9 MOL CELL PROTEOMICS
JI Mol. Cell. Proteomics
PD APR
PY 2011
VL 10
IS 4
AR 006049
DI 10.1074/mcp.M110.006049
PG 11
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 744BL
UT WOS:000289067300010
ER
PT J
AU Schulz, D
Southekal, S
Junnarkar, SS
Pratte, JF
Purschke, ML
Stoll, SP
Ravindranath, B
Maramraju, SH
Krishnamoorthy, S
Henn, FA
O'Connor, P
Woody, CL
Schlyer, DJ
Vaska, P
AF Schulz, Daniela
Southekal, Sudeepti
Junnarkar, Sachin S.
Pratte, Jean-Francois
Purschke, Martin L.
Stoll, Sean P.
Ravindranath, Bosky
Maramraju, Sri Harsha
Krishnamoorthy, Srilalan
Henn, Fritz A.
O'Connor, Paul
Woody, Craig L.
Schlyer, David J.
Vaska, Paul
TI Simultaneous assessment of rodent behavior and neurochemistry using a
miniature positron emission tomograph
SO NATURE METHODS
LA English
DT Article
ID RAT-BRAIN; DOPAMINE RELEASE; PET; BINDING; RACLOPRIDE; ANIMALS; AWAKE;
ANESTHETICS; LOCOMOTION; SCANNER
AB Positron emission tomography (PET) neuroimaging and behavioral assays in rodents are widely used in neuroscience. PET gives insights into the molecular processes of neuronal communication, and behavioral methods analyze the actions that are associated with such processes. These methods have not been directly integrated, because PET studies in animals have until now required general anesthesia to immobilize the subject, which precludes behavioral studies. We present a method for imaging awake, behaving rats with PET that allows the simultaneous study of behavior. Key components include the 'rat conscious animal PET' or RatCAP, a miniature portable PET scanner that is mounted on the rat's head, a mobility system that allows considerable freedom of movement, radiotracer administration techniques and methods for quantifying behavior and correlating the two data sets. The simultaneity of the PET and behavioral data provides a multidimensional tool for studying the functions of different brain regions and their molecular constituents.
C1 [Schulz, Daniela; Henn, Fritz A.; Schlyer, David J.; Vaska, Paul] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
[Southekal, Sudeepti; Ravindranath, Bosky; Maramraju, Sri Harsha; Krishnamoorthy, Srilalan; Schlyer, David J.; Vaska, Paul] SUNY Stony Brook, Dept Biomed Engn, Stony Brook, NY 11794 USA.
[Junnarkar, Sachin S.; Pratte, Jean-Francois; O'Connor, Paul] Brookhaven Natl Lab, Instrumentat Div, Upton, NY 11973 USA.
[Purschke, Martin L.; Stoll, Sean P.; Woody, Craig L.] Brookhaven Natl Lab, Phys Dept, Upton, NY 11973 USA.
RP Vaska, P (reprint author), Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
EM vaska@bnl.gov
RI Schulz, Daniela/H-5625-2011; Southekal, Sudeepti/E-6100-2015
OI Southekal, Sudeepti/0000-0002-5540-5000
FU US Department of Energy [DE-AC02-98CH10886]; Department of Energy's
Office of Biological and Environmental Research
FX We thank W. Lenz for mechanical design and fabrication; D. Alexoff for
assistance with rat handling; S. Park for coincidence-processing
methods; W. Schiffer for assistance with data analysis; C. Reiszel for
expertise in catheter design; V. Radeka, R. Lecomte and R. Fontaine for
contributions to the electronics; J. Logan for advice on kinetic
modeling; J. Fowler and the personnel of the Brookhaven National
Laboratory PET center and cyclotron for making the radiotracers
available for our studies and N. Volkow for proposing the idea of a
conscious-animal PET scanner. The research was carried out at Brookhaven
National Laboratory under contract number DE-AC02-98CH10886 with the US
Department of Energy and funded by the Department of Energy's Office of
Biological and Environmental Research.
NR 34
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U2 16
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1548-7091
J9 NAT METHODS
JI Nat. Methods
PD APR
PY 2011
VL 8
IS 4
BP 347
EP U99
DI 10.1038/NMETH.1582
PG 8
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 742KE
UT WOS:000288940300023
PM 21399637
ER
PT J
AU Roy, S
Parks, D
Seu, KA
Su, R
Turner, JJ
Chao, W
Anderson, EH
Cabrini, S
Kevan, SD
AF Roy, S.
Parks, D.
Seu, K. A.
Su, R.
Turner, J. J.
Chao, W.
Anderson, E. H.
Cabrini, S.
Kevan, S. D.
TI Lensless X-ray imaging in reflection geometry
SO NATURE PHOTONICS
LA English
DT Article
ID DIFFRACTION MICROSCOPY; HOLOGRAPHY
AB Lensless X-ray imaging techniques such as coherent diffraction imaging(1-8) and ptychography(9-11), and Fourier transform holography(12-17) can provide time-resolved, diffraction-limited images. Nearly all examples of these techniques have focused on transmission geometry, restricting the samples and reciprocal spaces that can be investigated. We report a lensless X-ray technique developed for imaging in Bragg and small-angle scattering geometries, which may also find application in transmission geometries. We demonstrate this by imaging a nanofabricated pseudorandom binary structure in small-angle reflection geometry. The technique can be used with extended objects, places no restriction on sample size, and requires no additional sample masking. The realization of X-ray lensless imaging in reflection geometry opens up the possibility of single-shot imaging of surfaces in thin films, buried interfaces in magnetic multilayers, organic photovoltaic and field-effect transistor devices, or Bragg planes in a single crystal.
C1 [Roy, S.; Parks, D.; Seu, K. A.; Su, R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Parks, D.; Seu, K. A.; Su, R.; Kevan, S. D.] Univ Oregon, Dept Phys, Eugene, OR 97403 USA.
[Turner, J. J.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Chao, W.; Anderson, E. H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
[Cabrini, S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Roy, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
EM sroy@lbl.gov
RI Kevan, Stephen/F-6415-2010
OI Kevan, Stephen/0000-0002-4621-9142
FU Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy [DE-AC02-05CH11231]; National Science Foundation [DMR-0506241]
FX The authors thank S. Marchesini of the Lawrence Berkeley National
Laboratory (LBNL) for helpful discussions. This work at LBNL was
supported by the Director, Office of Science, Office of Basic Energy
Sciences, of the US Department of Energy (contract no.
DE-AC02-05CH11231). Work in the group of S.D.K. at U. Oregon was
supported by the National Science Foundation (grant no. DMR-0506241).
NR 24
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U1 6
U2 38
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1749-4885
J9 NAT PHOTONICS
JI Nat. Photonics
PD APR
PY 2011
VL 5
IS 4
BP 243
EP 245
DI 10.1038/NPHOTON.2011.11
PG 3
WC Optics; Physics, Applied
SC Optics; Physics
GA 742ZS
UT WOS:000288984900016
ER
PT J
AU Bilbro, LS
Aguilar, RV
Logvenov, G
Pelleg, O
Bozovic, I
Armitage, NP
AF Bilbro, L. S.
Aguilar, R. Valdes
Logvenov, G.
Pelleg, O.
Bozovic, I.
Armitage, N. P.
TI Temporal correlations of superconductivity above the transition
temperature in La2-xSrxCuO4 probed by terahertz spectroscopy
SO NATURE PHYSICS
LA English
DT Article
ID HIGH-T-C; PHASE; BI2SR2CACU2O8+DELTA; FLUCTUATIONS; PSEUDOGAP; CUPRATE
AB The nature of the underdoped pseudogap regime of the high-temperature copper oxide superconductors has been a matter of long-term debate(1-3). On quite general grounds, we expect that, owing to their low superfluid densities and short correlation lengths, superconducting fluctuations will be significant for transport and thermodynamic properties in this part of the phase diagram(4,5). Although there is ample experimental evidence for such correlations, there has been disagreement about how high in temperature they may persist, their role in the phenomenology of the pseudogap and their significance for understanding high-temperature superconductivity(6-10). Here we use THz time-domain spectroscopy to probe the temporal fluctuations of superconductivity above the critical temperature (T-c) in La2-xSrxCuO4 (LSCO) thin films over a doping range that spans almost the entire superconducting dome (x = 0.09-0.25). Signatures of the fluctuations persist in the conductivity in a comparatively narrow temperature range, at most 16 K above T-c. Our measurements show that superconducting correlations do not make an appreciable contribution to the charge-transport anomalies of the pseudogap in LSCO at temperatures well above T-c.
C1 [Bilbro, L. S.; Aguilar, R. Valdes; Armitage, N. P.] Johns Hopkins Univ, Dept Phys & Astron, Inst Quantum Matter, Baltimore, MD 21218 USA.
[Logvenov, G.; Pelleg, O.; Bozovic, I.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Armitage, NP (reprint author), Johns Hopkins Univ, Dept Phys & Astron, Inst Quantum Matter, Baltimore, MD 21218 USA.
EM npa@pha.jhu.edu
RI Valdes Aguilar, Rolando/A-6637-2012
OI Valdes Aguilar, Rolando/0000-0002-4321-4792
FU Institute for Quantum Matter, Department of Energy [DE-FG02-08ER46544];
US Department of Energy [MA-509-MACA]
FX The authors would like to thank P. W. Anderson, A. Auerbach, A. Dorsey,
N. Drichko, S. Kivelson, L. Li, W. Liu, V. Oganesyan, N. P. Ong, J.
Orenstein, F. Ronning, O. Tchernyshyov, Z. Tesanovic, A. Tsvelik, D. van
der Marel and J. Zaanen for discussions and/or correspondence. Support
for the measurements at The Johns Hopkins University was provided under
the auspices of the Institute for Quantum Matter, Department of Energy
DE-FG02-08ER46544. The work at Brookhaven National Laboratory was
supported by the US Department of Energy under project No MA-509-MACA.
NR 30
TC 81
Z9 81
U1 2
U2 32
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 APR
PY 2011
VL 7
IS 4
BP 298
EP 302
DI 10.1038/NPHYS1912
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 744DZ
UT WOS:000289076000013
ER
PT J
AU Wu, J
Carlton, D
Park, JS
Meng, Y
Arenholz, E
Doran, A
Young, AT
Scholl, A
Hwang, C
Zhao, HW
Bokor, J
Qiu, ZQ
AF Wu, J.
Carlton, D.
Park, J. S.
Meng, Y.
Arenholz, E.
Doran, A.
Young, A. T.
Scholl, A.
Hwang, C.
Zhao, H. W.
Bokor, J.
Qiu, Z. Q.
TI Direct observation of imprinted antiferromagnetic vortex states in
CoO/Fe/Ag(001) discs
SO NATURE PHYSICS
LA English
DT Article
ID DYNAMICS; FIELD
AB In magnetic thin films, a magnetic vortex is a state in which the magnetization vector curls around the centre of a confined structure(1). In a thin-film disc, vortex states are characterized by the vortex polarity and the winding number(2,3). In ferromagnetic (FM) discs, these two parameters have been shown to govern many fundamental properties of the vortex, such as its gyroscopic rotation(4), polarity reversal(5-7), core motion(8) and vortex-pair excitation(9). In antiferromagnetic (AFM) discs(10), in contrast, there has been only indirect evidence for a vortex state, obtained through the observation of induced FM-ordered spins in the AFMdisc(11-14). Here we report the direct observation of an AFM vortex state in the AFM layer of an AFM/FM bilayer system. We have fabricated single-crystalline NiO/Fe/Ag(001) and CoO/Fe/Ag(001) discs, and using X-ray magnetic linear dichroism techniques we observe two types of AFM vortex, one of which has no analogue in FM structures. We also show that a frozen AFM vortex can bias an FM vortex at low temperature.
C1 [Wu, J.; Park, J. S.; Meng, Y.; Qiu, Z. Q.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Carlton, D.; Bokor, J.] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Meng, Y.; Zhao, H. W.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
[Arenholz, E.; Doran, A.; Young, A. T.; Scholl, A.] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Hwang, C.] Korea Res Inst Stand & Sci, Taejon 305340, South Korea.
RP Qiu, ZQ (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM qiu@socrates.berkeley.edu
RI Meng, Yang/A-8308-2015; Scholl, Andreas/K-4876-2012; Qiu, Zi
Qiang/O-4421-2016
OI Qiu, Zi Qiang/0000-0003-0680-0714
FU National Science Foundation [DMR-0803305]; US Department of Energy
[DE-AC02-05CH11231]; Korea Foundation for International Cooperation of
Science and Technology; Chinese Education Department; Western Institute
of Nanoelectronics
FX This work was supported by National Science Foundation Grant
DMR-0803305, US Department of Energy Grant DE-AC02-05CH11231, the Korea
Foundation for International Cooperation of Science and Technology
through the Global Research Laboratory project, the Chinese Education
Department and the Western Institute of Nanoelectronics.
NR 23
TC 20
Z9 20
U1 4
U2 49
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 APR
PY 2011
VL 7
IS 4
BP 303
EP 306
DI 10.1038/NPHYS1891
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 744DZ
UT WOS:000289076000014
ER
PT J
AU Kamal, A
Clarke, J
Devoret, MH
AF Kamal, Archana
Clarke, John
Devoret, M. H.
TI Noiseless non-reciprocity in a parametric active device
SO NATURE PHYSICS
LA English
DT Article
ID JOSEPHSON RING MODULATOR; QUANTUM LIMIT
AB Non-reciprocal devices such as circulators and isolators belong to an important class of microwave components employed in applications including the measurement of mesoscopic circuits at cryogenic temperatures(1-5). The measurement protocols usually involve an amplification chain that relies on circulators to separate input and output channels and to suppress backaction from different stages on the sample under test. In these devices the usual reciprocal symmetry of circuits is broken by the phenomenon of Faraday rotation based on magnetic materials and fields(6). However, magnets are averse to on-chip integration, and magnetic fields are deleterious to delicate superconducting devices(7,8). Here we present a new proposal that combines two stages of parametric modulation to emulate the action of a circulator. It is devoid of magnetic components and suitable for on-chip integration. As the design is free of any dissipative elements and based on reversible operation, the device operates noiselessly, giving it an important advantage over other non-reciprocal active devices for quantum information processing applications.
C1 [Kamal, Archana; Devoret, M. H.] Yale Univ, Dept Phys & Appl Phys, New Haven, CT 06520 USA.
[Clarke, John] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Clarke, John] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Devoret, MH (reprint author), Yale Univ, Dept Phys & Appl Phys, 15 Prospect St, New Haven, CT 06520 USA.
EM michel.devoret@yale.edu
FU US National Security Agency through the US Army Research Office
[W911NF-05-01-0365]; W. M. Keck Foundation; US National Science
Foundation [DMR-0653377]; Office of the Director of National
Intelligence (ODNI); Intelligence Advanced Research Projects Activity
(IARPA), through the Army Research Office; College de France; French
Agence Nationale de la Recherche
FX We acknowledge useful discussions with S. M. Girvin, J. Koch, L. Spietz
and R. J. Schoelkopf. This research was supported by the US National
Security Agency through the US Army Research Office grant
W911NF-05-01-0365, the W. M. Keck Foundation, the US National Science
Foundation through grant DMR-0653377 (A. K. and M. H. D.) as well as by
the Office of the Director of National Intelligence (ODNI), Intelligence
Advanced Research Projects Activity (IARPA), through the Army Research
Office. 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 US Government
(J.C.). M. H. D. also acknowledges partial support from the College de
France and the French Agence Nationale de la Recherche.
NR 26
TC 47
Z9 48
U1 1
U2 26
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 APR
PY 2011
VL 7
IS 4
BP 311
EP 315
DI 10.1038/NPHYS1893
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 744DZ
UT WOS:000289076000016
ER
PT J
AU Riggs, SC
Vafek, O
Kemper, JB
Betts, JB
Migliori, A
Balakirev, FF
Hardy, WN
Liang, RX
Bonn, DA
Boebinger, GS
AF Riggs, Scott C.
Vafek, O.
Kemper, J. B.
Betts, J. B.
Migliori, A.
Balakirev, F. F.
Hardy, W. N.
Liang, Ruixing
Bonn, D. A.
Boebinger, G. S.
TI Heat capacity through the magnetic-field-induced resistive transition in
an underdoped high-temperature superconductor
SO NATURE PHYSICS
LA English
DT Article
ID T-C SUPERCONDUCTOR; QUASI-PARTICLE SPECTRUM; D-WAVE SUPERCONDUCTORS;
FERMI-SURFACE; QUANTUM OSCILLATIONS; VORTEX STATE; MIXED-STATE;
LA2-XSRXCUO4
AB The underlying physics of the magnetic-field induced resistive state in lightly doped high-temperature cuprate superconductors remains a mystery. One interpretation is that the application of magnetic field destroys the d-wave superconducting gap, uncovering a Fermi surface that behaves as a Fermi liquid. Another view is that an applied magnetic field destroys long-range superconducting phase coherence, but the superconducting gap amplitude survives. By measuring the specific heat of YBa2Cu3O6.56 we determine the quasiparticle density of states from the superconducting state well into the magnetic-field induced resistive state. At very high magnetic fields the specific heat exhibits both the conventional temperature dependence and quantum oscillations expected for a Fermi liquid. On the other hand, the magnetic-field dependence of the quasiparticle density of states follows root H behaviour that persists smoothly through the zero-resistance transition, giving evidence of a developed d-wave superconducting gap over the entire magnetic field range measured.
C1 [Riggs, Scott C.; Vafek, O.; Kemper, J. B.; Boebinger, G. S.] Florida State Univ, Dept Phys, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
[Betts, J. B.; Migliori, A.; Balakirev, F. F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Hardy, W. N.; Liang, Ruixing; Bonn, D. A.] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
[Hardy, W. N.; Liang, Ruixing; Bonn, D. A.] Canadian Inst Adv Res, Toronto, ON M5G 1Z8, Canada.
RP Riggs, SC (reprint author), Florida State Univ, Dept Phys, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
FU NSF [DMR-0955561]; Natural Science and Engineering Research Council of
Canada; Canadian Institute for Advanced Research; State of Florida;
National Science Foundation's Division of Materials Research
[DMR-0654118]
FX The authors gratefully acknowledge discussions with N. Harrison, P.
Hirschfeld, S. Kivelson, P. A. Lee, R. McDonald, S. Sachdev, J.
Singleton, Z. Tesanovic, T. Senthil, and C. M. Varma. S. C. R.
acknowledges financial support from ICAM. W. N. H., R. L., and D. A. B.
are supported by the Natural Science and Engineering Research Council of
Canada and the Canadian Institute for Advanced Research. O.V. was
supported in part by the NSF CAREER award under Grant No. DMR-0955561.
The National High Magnetic Field Laboratory is supported by the State of
Florida and the National Science Foundation's Division of Materials
Research through DMR-0654118.
NR 29
TC 79
Z9 79
U1 2
U2 45
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 APR
PY 2011
VL 7
IS 4
BP 332
EP 335
DI 10.1038/NPHYS1921
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 744DZ
UT WOS:000289076000020
ER
PT J
AU Pace, DC
Fisher, RK
Garcia-Munoz, M
Heidbrink, WW
McKee, GR
Murakami, M
Muscatello, CM
Nazikian, R
Park, JM
Petty, CC
Rhodes, TL
Staebler, GM
Van Zeeland, MA
Waltz, RE
White, RB
Yu, JH
Zhang, W
Zhu, YB
AF Pace, D. C.
Fisher, R. K.
Garcia-Munoz, M.
Heidbrink, W. W.
McKee, G. R.
Murakami, M.
Muscatello, C. M.
Nazikian, R.
Park, J. M.
Petty, C. C.
Rhodes, T. L.
Staebler, G. M.
Van Zeeland, M. A.
Waltz, R. E.
White, R. B.
Yu, J. H.
Zhang, W.
Zhu, Y. B.
TI Transport of energetic ions due to sawteeth, Alfven eigenmodes and
microturbulence
SO NUCLEAR FUSION
LA English
DT Article
ID DIII-D TOKAMAK; CHAPTER 5; PLASMAS; INSTABILITIES; SIMULATIONS; PHYSICS
AB Utilizing an array of new diagnostics and simulation/modelling techniques, recent DIII-D experiments have elucidated a variety of energetic ion transport behaviour in the presence of instabilities ranging from large-scale sawteeth to fine spatial scale microturbulence. Important new insights include sawteeth, such as those of the ITER baseline scenario, causing major redistribution of the energetic ion population; high levels of transport induced by low-amplitude Alfven eigenmodes can be caused by the integrated effect of a large number of simultaneous modes; and microturbulence can contribute to the removal of alpha ash while having little effect on fusion alphas. This paper provides an overview of recent and upcoming results from the DIII-D Energetic Particles research programme.
C1 [Pace, D. C.; Heidbrink, W. W.; Muscatello, C. M.; Zhang, W.; Zhu, Y. B.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
[Fisher, R. K.; Petty, C. C.; Staebler, G. M.; Van Zeeland, M. A.; Waltz, R. E.] Gen Atom Co, San Diego, CA 92186 USA.
[Garcia-Munoz, M.] Max Planck Inst Plasma Phys, D-85748 Garching, Germany.
[McKee, G. R.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
[Murakami, M.; Park, J. M.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Nazikian, R.; White, R. B.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Rhodes, T. L.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
[Yu, J. H.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
RP Pace, DC (reprint author), Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
EM pacedc@fusion.gat.com
RI garcia-munoz, manuel/C-6825-2008; White, Roscoe/D-1773-2013
OI garcia-munoz, manuel/0000-0002-3241-502X; White,
Roscoe/0000-0002-4239-2685
FU US Department of Energy [SC-G903402, DE-FC02-04ER54698,
DE-FG02-89ER53296, DE-FG02-08ER54999, DE-AC05-00OR22725,
DE-AC02-09CH11466, DE-FG03-08ER54984, DE-FG02-07ER54917]; SciDAC GSEP
FX This work was supported by the US Department of Energy under SC-G903402,
DE-FC02-04ER54698, DE-FG02-89ER53296, DE-FG02-08ER54999,
DE-AC05-00OR22725, DE-AC02-09CH11466, DE-FG03-08ER54984,
DE-FG02-07ER54917 and SciDAC GSEP. Informative discussions with Z. Lin
are gratefully acknowledged. The authors would like to thank the DIII-D
team for their efforts in support of the multiple experiments and
diagnostic developments necessary to undertake this research. In
addition, the author DCP would like to thank R. S. Granetz, the Alcator
C-Mod team, and the MIT Plasma Science and Fusion Center for their
hospitality during the completion of this work.
NR 52
TC 9
Z9 9
U1 3
U2 18
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
J9 NUCL FUSION
JI Nucl. Fusion
PD APR
PY 2011
VL 51
IS 4
AR 043012
DI 10.1088/0029-5515/51/4/043012
PG 8
WC Physics, Fluids & Plasmas
SC Physics
GA 744FT
UT WOS:000289081000013
ER
PT J
AU Testa, D
Spong, D
Panis, T
Blanchard, P
Fasoli, A
AF Testa, D.
Spong, D.
Panis, T.
Blanchard, P.
Fasoli, A.
CA JET-EFDA Contributors
TI Recent JET experiments on Alfven eigenmodes with intermediate toroidal
mode numbers: measurements and modelling of n=3 toroidal Alfven
eigenmodes with the TAEFL code
SO NUCLEAR FUSION
LA English
DT Article
ID TOKAMAK PLASMAS; GYROFLUID MODEL; BURNING PLASMA; INSTABILITIES;
PARTICLES; STABILITY
AB This paper reports the results of recent experiments performed on the JET tokamak on Alfven eigenmodes (AEs) with toroidal mode number (n) in the range n = 3-15. The stability properties of these medium-n AEs are investigated experimentally using a new set of compact in-vessel antennas, providing a direct and real-time measurement of the frequency, damping rate and amplitude for each individual toroidal mode number. We report here the quantitative analysis of the measurements of the damping rate for stable n = 3 toroidal AEs as a function of the edge plasma elongation, and the theoretical analysis of these data with the TAEFL code. The TAEFL results are in excellent qualitative agreement with the measurements, reproducing well the experimental scaling of increasing damping rate versus increasing edge elongation, and in many cases are also quantitatively correct, with a difference with respect to the measurements below 30%, particularly for magnetic configurations that have a larger edge magnetic shear.
C1 [Testa, D.; Panis, T.; Blanchard, P.; Fasoli, A.] Ecole Polytech Fed Lausanne, Assoc EURATOM Confederat Suisse, CRPP, CH-1015 Lausanne, CH, Switzerland.
JET EFDA, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
[Spong, D.] Oak Ridge Natl Lab, Fus Energy Theory Grp, Oak Ridge, TN USA.
[Blanchard, P.] EFDA CSU, Culham Sci Ctr, Abingdon, Oxon, England.
RP Testa, D (reprint author), Ecole Polytech Fed Lausanne, Assoc EURATOM Confederat Suisse, CRPP, CH-1015 Lausanne, CH, Switzerland.
EM duccio.testa@epfl.ch
RI Spong, Donald/C-6887-2012
OI Spong, Donald/0000-0003-2370-1873
FU EURATOM; Swiss National Science Foundation
FX This work was supported by EURATOM under the contract of Association
with CRPP-EPFL, and was carried out within the framework of the European
Fusion Development Agreement. This work was also partly supported by the
Swiss National Science Foundation. The views and opinions expressed
herein do not necessarily reflect those of the European Commission. The
authors would also like to thank the various members of the CRPP, MIT
and JET staff that have contributed to the design, installation,
commissioning and routine operation of the new TAE antenna system, and
particularly A. Goodyear (CCFE), H. Carfantan (LATT) and M. Tsalas
(JET-EFDA-CSU). The authors would also like to thank the reviewers for
their useful comments and suggestions on the first draft of this paper.
NR 32
TC 8
Z9 8
U1 0
U2 5
PU INT ATOMIC ENERGY AGENCY
PI VIENNA
PA WAGRAMERSTRASSE 5, PO BOX 100, A-1400 VIENNA, AUSTRIA
SN 0029-5515
J9 NUCL FUSION
JI Nucl. Fusion
PD APR
PY 2011
VL 51
IS 4
AR 043009
DI 10.1088/0029-5515/51/4/043009
PG 11
WC Physics, Fluids & Plasmas
SC Physics
GA 744FT
UT WOS:000289081000010
ER
PT J
AU Tzanos, CP
AF Tzanos, Constantine P.
TI IMPROVED SIMULATIONS OF HEAT TRANSFER IN LIQUID-METAL FLOWS
SO NUCLEAR TECHNOLOGY
LA English
DT Article
DE liquid-metal flows; heat transfer; turbulence models
ID PRANDTL NUMBER; MODEL
AB In liquid-metal flows, the predictions of the Nusselt number (heat transfer) by Reynolds-averaged Navier-Stokes models of turbulence that use the assumption of a constant turbulent Prandtl number can be significantly off Heat transfer analyses were performed with a number of turbulence models for flows in a triangular rod bundle and in a pipe, and model predictions were compared with experimental data. Emphasis was placed on the low Reynolds (low-Re) number k-epsilon model that resolves the boundary layer and does not use "logarithmic wall functions." The high Reynolds (high-Re) number k-epsilon model underpredicts the Nusselt number up to 30%, while the low-Re number model overpredicts it up to 34%. For high Peclet number values, the low-Re number model provides better predictions than the high-Re number model. For Peclet numbers higher than 1500, the predictions of the Reynolds stress model (RSM) are in very good agreement with experimental measurements, but for lower Peclet number values its predictions are significantly off A relationship was developed that expresses the turbulent Prandtl number as a function of the ratio of the turbulent viscosity to the molecular viscosity. With this modified turbulent Pranda number, for the flow in the rod bundle the predictions of the low-Re number model are well within the spread of the experimental measurements. For pipe flow, the model predictions are not as sensitive to the correction of the turbulent Prandtl number as they are in the case of the flow in a bundle. The modified low-Re number model underpredicts the limited experimental data by 4%.
C1 Argonne Natl Lab, Argonne, IL 60439 USA.
RP Tzanos, CP (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM tzanos@anl.gov
NR 22
TC 2
Z9 2
U1 1
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
J9 NUCL TECHNOL
JI Nucl. Technol.
PD APR
PY 2011
VL 174
IS 1
BP 41
EP 50
PG 10
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 743SO
UT WOS:000289039200004
ER
PT J
AU Phongikaroon, S
Herrmann, SD
Simpson, MF
AF Phongikaroon, Supathorn
Herrmann, Steven D.
Simpson, Michael F.
TI DIFFUSION MODEL FOR ELECTROLYTIC REDUCTION OF URANIUM OXIDES IN A MOLTEN
LiCl-Li2O SALT
SO NUCLEAR TECHNOLOGY
LA English
DT Article
DE electrolytic reduction; diffusion model; molten salt
ID ELECTROCHEMICAL REDUCTION; FUEL
AB In this study, a diffusion-based kinetic model essential for design and operational analysis of spent nuclear fuel reduction has been developed. The model considers the cathode side of the system to be rate limiting and deals with diffusion of lithium metal through the basket loaded with uranium oxide (UO2 or U3O8). Faradays' law was implemented into the model to observe the electrochemical effect on the model. Solutions with different conditions are developed, and detailed results are presented. These solutions were compared against experimental bench scale data. At high operating current conditions (I > 0.8 A), the model fits the data well. The fitting resulted in estimated effective lithium diffusion coefficients for high and low void fraction UO2, crushed fuels of 8.5 X 10(-4) cm(2)/s and 2.2 X 10(-4) cm(2)/s, respectively. The effective diffusion coefficient for U3O8 is estimated to be 8.6 X 10(-4) cm(2)/s. In some experiments, a porous magnesium oxide basket was used for containing the U3O8. It was estimated that the lithium diffusion coefficient through this magnesia basket is 3.3 X 10(-5) cm(2)/s.
C1 [Phongikaroon, Supathorn] Univ Idaho, Ctr Adv Energy Studies, Idaho Falls, ID 83401 USA.
[Herrmann, Steven D.; Simpson, Michael F.] Idaho Natl Lab, Pyroproc Technol Dept, Idaho Falls, ID 83415 USA.
RP Phongikaroon, S (reprint author), Univ Idaho, Ctr Adv Energy Studies, 995 Univ Blvd, Idaho Falls, ID 83401 USA.
EM supathor@uidaho.edu
NR 15
TC 6
Z9 6
U1 1
U2 9
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
J9 NUCL TECHNOL
JI Nucl. Technol.
PD APR
PY 2011
VL 174
IS 1
BP 85
EP 93
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 743SO
UT WOS:000289039200008
ER
PT J
AU Gandolfi, S
Schmidt, KE
Carlson, J
AF Gandolfi, S.
Schmidt, K. E.
Carlson, J.
TI BEC-BCS crossover and universal relations in unitary Fermi gases
SO PHYSICAL REVIEW A
LA English
DT Article
AB The contact parameter in unitary Fermi gases governs the short-range correlations and high-momentum properties of the system. We perform accurate quantum Monte Carlo calculations with highly optimized trial functions to precisely determine this parameter at T = 0, demonstrate its universal application to a variety of observables, and determine the regions of momentum and energy over which the leading short-range behavior is dominant. We derive Tan's expressions for the contact parameter using just the short-range behavior of the ground-state many-body wave function, and use this behavior to calculate the two-body distribution function, one-body density matrix, and the momentum distribution of unitary Fermi gases; providing a precise value of the contact parameter that can be compared to experiments.
C1 [Gandolfi, S.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Schmidt, K. E.; Carlson, J.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
RP Gandolfi, S (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
OI Gandolfi, Stefano/0000-0002-0430-9035
FU US Department of Energy, Office of Nuclear Physics [DE-FC02-07ER41457
(UNEDF SciDAC), DE-AC52-06NA25396]; National Science Foundation
[PHY-0757703]
FX We thank J. E. Drut for valuable discussions. This work is supported by
the US Department of Energy, Office of Nuclear Physics, under Contracts
DE-FC02-07ER41457 (UNEDF SciDAC) and DE-AC52-06NA25396 and by the
National Science Foundation Grant PHY-0757703. K.E.S. thanks the Los
Alamos National Laboratory and the New Mexico Consortium for their
hospitality. Computer time was made available by Los Alamos Open
Supercomputing.
NR 30
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1050-2947
J9 PHYS REV A
JI Phys. Rev. A
PD APR 1
PY 2011
VL 83
IS 4
AR 041601
DI 10.1103/PhysRevA.83.041601
PG 4
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 743XL
UT WOS:000289052700001
ER
PT J
AU Miyabe, S
Haxton, DJ
Lawler, KV
Orel, AE
McCurdy, CW
Rescigno, TN
AF Miyabe, S.
Haxton, D. J.
Lawler, K. V.
Orel, A. E.
McCurdy, C. W.
Rescigno, T. N.
TI Vibrational Feshbach resonances in near-threshold HOCO- photodetachment:
A theoretical study
SO PHYSICAL REVIEW A
LA English
DT Article
ID DIPOLE-BOUND ANIONS; CROSS-SECTIONS; ACETALDEHYDE ENOLATE;
ELECTRONIC-STRUCTURE; POLAR-MOLECULES; NEGATIVE-IONS; DRUDE-MODEL;
STATES; EXCITATION; COLLISIONS
AB The results of a theoretical study of HOCO- photodetachment are presented with a view toward understanding the origin of two peaks observed by Lu and Continetti [Phys. Rev. Lett. 99, 113005 (2007)] in the photoelectron kinetic energy spectrum very close to threshold. It is shown that the peaks can be attributed to vibrational Feshbach resonances of dipole-bound trans-HOCO-, and not s- and p-wave shape resonances as previously assumed. Fixed-nuclei variational electron-HOCO scattering calculations are used to compute photodetachment cross sections and laboratory-frame photoelectron angular distributions. The calculations show a broad A ''(pi*)-shape resonance several electron volts above threshold.
C1 [Miyabe, S.; Haxton, D. J.; Lawler, K. V.; McCurdy, C. W.; Rescigno, T. N.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Miyabe, S.; McCurdy, C. W.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA.
[Orel, A. E.; McCurdy, C. W.] Univ Calif Davis, Dept Appl Sci, Davis, CA 95616 USA.
RP Miyabe, S (reprint author), Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
FU US Department of Energy by the University of California Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; US DOE Office of Basic
Energy Sciences, Division of Chemical Sciences; National Science
Foundation [PHY-05-55401]
FX This work was performed under the auspices of the US Department of
Energy by the University of California Lawrence Berkeley National
Laboratory under Contract No. DE-AC02-05CH11231 and was supported by the
US DOE Office of Basic Energy Sciences, Division of Chemical Sciences.
A.E.O. acknowledges support from the National Science Foundation (Grant
No. PHY-05-55401).
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1050-2947
J9 PHYS REV A
JI Phys. Rev. A
PD APR 1
PY 2011
VL 83
IS 4
AR 043401
DI 10.1103/PhysRevA.83.043401
PG 7
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 743XL
UT WOS:000289052700002
ER
PT J
AU Kohley, Z
May, LW
Wuenschel, S
Colonna, M
Di Toro, M
Zielinska-Pfabe, M
Hagel, K
Tripathi, R
Bonasera, A
Souliotis, GA
Shetty, DV
Galanopoulos, S
Mehlman, M
Smith, WB
Soisson, SN
Stein, BC
Yennello, SJ
AF Kohley, Z.
May, L. W.
Wuenschel, S.
Colonna, M.
Di Toro, M.
Zielinska-Pfabe, M.
Hagel, K.
Tripathi, R.
Bonasera, A.
Souliotis, G. A.
Shetty, D. V.
Galanopoulos, S.
Mehlman, M.
Smith, W. B.
Soisson, S. N.
Stein, B. C.
Yennello, S. J.
TI Transverse collective flow and midrapidity emission of isotopically
identified light charged particles
SO PHYSICAL REVIEW C
LA English
DT Article
ID HEAVY-ION COLLISIONS; MASS FRAGMENT PRODUCTION; ISOSPIN-DEPENDENCE;
NUCLEAR COLLISIONS; INTERMEDIATE ENERGIES; DETECTOR ARRAY; FERMI
ENERGIES; NEUTRON-STARS; DYNAMICS; EQUATION
AB The transverse flow and relative midrapidity yield of isotopically identified light charged particles (LCPs) has been examined for the 35MeV/nucleon Zn-70 + Zn-70, Zn-64 + Zn-64, and Ni-64 + Ni-64 systems. A large enhancement of the midrapidity yield of the LCPs was observed relative to the yield near the projectile rapidity. In particular, this enhancement was increased for the more neutron-rich LCPs demonstrating a preference for the production of neutron-rich fragments in the midrapidity region. Additionally, the transverse flow of the LCPs was extracted, which provides insight into the average movement of the particles in the midrapidity region. Isotopic and isobaric effects were observed in the transverse flow of the fragments. In both cases, the transverse flow was shown to decrease with an increasing neutron content in the fragments. A clear inverse relationship between the transverse flow and the relative midrapidity yield is shown. The increased relative midrapidity emission produces a decreased transverse flow. The stochastic mean-field model was used for comparison to the experimental data. The results showed that the model was able to reproduce the general isotopic and isobaric trends for the midrapidity emission and transverse flow. The sensitivity of these observables to the density dependence of the symmetry energy was explored. The results indicate that the transverse flow and midrapidity emission of the LCPs are sensitive to the denisty dependence of the symmetry energy.
C1 [Kohley, Z.; May, L. W.; Wuenschel, S.; Soisson, S. N.; Stein, B. C.; Yennello, S. J.] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA.
[Kohley, Z.; May, L. W.; Wuenschel, S.; Hagel, K.; Tripathi, R.; Bonasera, A.; Souliotis, G. A.; Shetty, D. V.; Galanopoulos, S.; Mehlman, M.; Smith, W. B.; Soisson, S. N.; Stein, B. C.; Yennello, S. J.] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA.
[Colonna, M.; Di Toro, M.; Bonasera, A.] Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy.
[Di Toro, M.] Univ Catania, Dept Phys & Astron, I-95124 Catania, Italy.
[Zielinska-Pfabe, M.] Smith Coll, Northampton, MA 01063 USA.
[Souliotis, G. A.] Univ Athens, Dept Chem, Phys Chem Lab, GR-15771 Athens, Greece.
[Mehlman, M.] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA.
RP Kohley, Z (reprint author), Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
EM zkohley@comp.tamu.edu
RI Yennello, Sherry/B-5803-2015
OI Yennello, Sherry/0000-0003-3963-5217
FU Robert A. Welch Foundation [A-1266]; Department of Energy
[DE-FG03-93ER40773]
FX We thank the staff members of the Texas A&M Cyclotron Institute for the
excellent beam quality. This work was supported in part by the Robert A.
Welch Foundation through Grant No. A-1266 and the Department of Energy
through Grant No. DE-FG03-93ER40773. We also thank the Target Lab at
Argonne National Laboratory for the fabrication of the 70Zn
target and the Laboratory for Molecular Simulation at Texas A&M
University for providing computer time for the SMF calculations.
NR 75
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
J9 PHYS REV C
JI Phys. Rev. C
PD APR 1
PY 2011
VL 83
IS 4
AR 044601
DI 10.1103/PhysRevC.83.044601
PG 10
WC Physics, Nuclear
SC Physics
GA 743YE
UT WOS:000289054900002
ER
PT J
AU Sanchez, PD
Lees, JP
Poireau, V
Prencipe, E
Tisserand, V
Tico, JG
Grauges, E
Martinelli, M
Milanes, DA
Palano, A
Pappagallo, M
Eigen, G
Stugu, B
Sun, L
Brown, DN
Kerth, LT
Kolomensky, YG
Lynch, G
Osipenkov, IL
Koch, H
Schroeder, T
Asgeirsson, DJ
Hearty, C
Mattison, TS
McKenna, JA
Khan, A
Randle-Conde, A
Blinov, VE
Buzykaev, AR
Druzhinin, VP
Golubev, VB
Kravchenko, EA
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Yushkov, AN
Bondioli, M
Curry, S
Kirkby, D
Lankford, AJ
Mandelkern, M
Martin, EC
Stoker, DP
Atmacan, H
Gary, JW
Liu, F
Long, O
Vitug, GM
Campagnari, C
Hong, TM
Kovalskyi, D
Richman, JD
West, C
Eisner, AM
Heusch, CA
Kroseberg, J
Lockman, WS
Martinez, AJ
Schalk, T
Schumm, BA
Seiden, A
Winstrom, LO
Cheng, CH
Doll, DA
Echenard, B
Hitlin, DG
Ongmongkolkul, P
Porter, FC
Rakitin, AY
Andreassen, R
Dubrovin, MS
Mancinelli, G
Meadows, BT
Sokoloff, MD
Bloom, PC
Ford, WT
Gaz, A
Nagel, M
Nauenberg, U
Smith, JG
Wagner, SR
Ayad, R
Toki, WH
Jasper, H
Karbach, TM
Petzold, A
Spaan, B
Kobel, MJ
Schubert, KR
Schwierz, R
Bernard, D
Verderi, M
Clark, PJ
Playfer, S
Watson, JE
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Fioravanti, E
Franchini, P
Garzia, I
Luppi, E
Munerato, M
Negrini, M
Petrella, A
Piemontese, L
Baldini-Ferroli, R
Calcaterra, A
de Sangro, R
Finocchiaro, G
Nicolaci, M
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Contri, R
Guido, E
Lo Vetere, M
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Tosi, S
Bhuyan, B
Prasad, V
Lee, CL
Morii, M
Adametz, A
Marks, J
Uwer, U
Bernlochner, FU
Ebert, M
Lacker, HM
Lueck, T
Volk, A
Dauncey, PD
Tibbetts, M
Behera, PK
Mallik, U
Chen, C
Cochran, J
Crawley, HB
Dong, L
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gritsan, AV
Guo, ZJ
Arnaud, N
Davier, M
Derkach, D
da Costa, JF
Grosdidier, G
Le Diberder, F
Lutz, AM
Malaescu, B
Perez, A
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, L
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Chavez, CA
Coleman, JP
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Touramanis, C
Bevan, AJ
Di Lodovico, F
Sacco, R
Sigamani, M
Cowan, G
Paramesvaran, S
Wren, AC
Brown, DN
Davis, CL
Denig, AG
Fritsch, M
Gradl, W
Hafner, A
Alwyn, KE
Bailey, D
Barlow, RJ
Jackson, G
Lafferty, GD
Anderson, J
Cenci, R
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Dallapiccola, C
Salvati, E
Cowan, R
Dujmic, D
Sciolla, G
Zhao, M
Lindemann, D
Patel, PM
Robertson, SH
Schram, M
Biassoni, P
Lazzaro, A
Lombardo, V
Palombo, F
Stracka, S
Cremaldi, L
Godang, R
Kroeger, R
Sonnek, P
Summers, DJ
Nguyen, X
Simard, M
Taras, P
De Nardo, G
Monorchio, D
Onorato, G
Sciacca, C
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Wang, WF
Corwin, LA
Honscheid, K
Kass, R
Morris, JP
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Castelli, G
Feltresi, E
Gagliardi, N
Margoni, M
Morandin, M
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Ben-Haim, E
Bonneaud, GR
Briand, H
Calderini, G
Chauveau, J
Hamon, O
Leruste, P
Marchiori, G
Ocariz, J
Prendki, J
Sitt, S
Biasini, M
Manoni, E
Rossi, A
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Casarosa, G
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Pegna, DL
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Anulli, F
Baracchini, E
Cavoto, G
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Gioi, LL
Mazzoni, MA
Piredda, G
Renga, F
Hartmann, T
Leddig, T
Schroder, H
Waldi, R
Adye, T
Franek, B
Olaiya, EO
Wilson, FF
Emery, S
de Monchenault, GH
Vasseur, G
Yeche, C
Zito, M
Allen, MT
Aston, D
Bard, DJ
Bartoldus, R
Benitez, JF
Cartaro, C
Convery, MR
Dorfan, J
Dubois-Felsmann, GP
Dunwoodie, W
Field, RC
Sevilla, MF
Fulsom, BG
Gabareen, AM
Graham, MT
Grenier, P
Hast, C
Innes, WR
Kelsey, MH
Kim, H
Kim, P
Kocian, ML
Leith, DWGS
Li, S
Lindquist, B
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Marsiske, H
Muller, DR
Neal, H
Nelson, S
O'Grady, CP
Ofte, I
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Santoro, V
Schindler, RH
Schwiening, J
Snyder, A
Su, D
Sullivan, MK
Sun, S
Suzuki, K
Thompson, JM
Va'vra, J
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Wulsin, HW
Yarritu, AK
Young, CC
Ziegler, V
Chen, XR
Park, W
Purohit, MV
White, RM
Wilson, JR
Sekula, SJ
Bellis, M
Burchat, PR
Edwards, AJ
Miyashita, TS
Ahmed, S
Alam, MS
Ernst, JA
Pan, B
Saeed, MA
Zain, SB
Guttman, N
Soffer, A
Lund, P
Spanier, SM
Eckmann, R
Ritchie, JL
Ruland, AM
Schilling, CJ
Schwitters, RF
Wray, BC
Izen, JM
Lou, XC
Bianchi, F
Gamba, D
Pelliccioni, M
Bomben, M
Lanceri, L
Vitale, L
Lopez-March, N
Martinez-Vidal, F
Oyanguren, A
Albert, J
Banerjee, S
Choi, HHF
Hamano, K
King, GJ
Kowalewski, R
Lewczuk, MJ
Lindsay, C
Nugent, IM
Roney, JM
Sobie, RJ
Gershon, TJ
Harrison, PF
Latham, TE
Puccio, EMT
Band, HR
Dasu, S
Flood, KT
Pan, Y
Prepost, R
Vuosalo, CO
Wu, SL
AF Sanchez, P. del Amo
Lees, J. P.
Poireau, V.
Prencipe, E.
Tisserand, V.
Tico, J. Garra
Grauges, E.
Martinelli, M.
Milanes, D. A.
Palano, A.
Pappagallo, M.
Eigen, G.
Stugu, B.
Sun, L.
Brown, D. N.
Kerth, L. T.
Kolomensky, Yu. G.
Lynch, G.
Osipenkov, I. L.
Koch, H.
Schroeder, T.
Asgeirsson, D. J.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Khan, A.
Randle-Conde, A.
Blinov, V. E.
Buzykaev, A. R.
Druzhinin, V. P.
Golubev, V. B.
Kravchenko, E. A.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Yushkov, A. N.
Bondioli, M.
Curry, S.
Kirkby, D.
Lankford, A. J.
Mandelkern, M.
Martin, E. C.
Stoker, D. P.
Atmacan, H.
Gary, J. W.
Liu, F.
Long, O.
Vitug, G. M.
Campagnari, C.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
West, C.
Eisner, A. M.
Heusch, C. A.
Kroseberg, J.
Lockman, W. S.
Martinez, A. J.
Schalk, T.
Schumm, B. A.
Seiden, A.
Winstrom, L. O.
Cheng, C. H.
Doll, D. A.
Echenard, B.
Hitlin, D. G.
Ongmongkolkul, P.
Porter, F. C.
Rakitin, A. Y.
Andreassen, R.
Dubrovin, M. S.
Mancinelli, G.
Meadows, B. T.
Sokoloff, M. D.
Bloom, P. C.
Ford, W. T.
Gaz, A.
Nagel, M.
Nauenberg, U.
Smith, J. G.
Wagner, S. R.
Ayad, R.
Toki, W. H.
Jasper, H.
Karbach, T. M.
Petzold, A.
Spaan, B.
Kobel, M. J.
Schubert, K. R.
Schwierz, R.
Bernard, D.
Verderi, M.
Clark, P. J.
Playfer, S.
Watson, J. E.
Andreotti, M.
Bettoni, D.
Bozzi, C.
Calabrese, R.
Cecchi, A.
Cibinetto, G.
Fioravanti, E.
Franchini, P.
Garzia, I.
Luppi, E.
Munerato, M.
Negrini, M.
Petrella, A.
Piemontese, L.
Baldini-Ferroli, R.
Calcaterra, A.
de Sangro, R.
Finocchiaro, G.
Nicolaci, M.
Pacetti, S.
Patteri, P.
Peruzzi, I. M.
Piccolo, M.
Rama, M.
Zallo, A.
Contri, R.
Guido, E.
Lo Vetere, M.
Monge, M. R.
Passaggio, S.
Patrignani, C.
Robutti, E.
Tosi, S.
Bhuyan, B.
Prasad, V.
Lee, C. L.
Morii, M.
Adametz, A.
Marks, J.
Uwer, U.
Bernlochner, F. U.
Ebert, M.
Lacker, H. M.
Lueck, T.
Volk, A.
Dauncey, P. D.
Tibbetts, M.
Behera, P. K.
Mallik, U.
Chen, C.
Cochran, J.
Crawley, H. B.
Dong, L.
Meyer, W. T.
Prell, S.
Rosenberg, E. I.
Rubin, A. E.
Gritsan, A. V.
Guo, Z. J.
Arnaud, N.
Davier, M.
Derkach, D.
da Costa, J. Firmino
Grosdidier, G.
Le Diberder, F.
Lutz, A. M.
Malaescu, B.
Perez, A.
Roudeau, P.
Schune, M. H.
Serrano, J.
Sordini, V.
Stocchi, A.
Wang, L.
Wormser, G.
Lange, D. J.
Wright, D. M.
Bingham, I.
Chavez, C. A.
Coleman, J. P.
Fry, J. R.
Gabathuler, E.
Gamet, R.
Hutchcroft, D. E.
Payne, D. J.
Touramanis, C.
Bevan, A. J.
Di Lodovico, F.
Sacco, R.
Sigamani, M.
Cowan, G.
Paramesvaran, S.
Wren, A. C.
Brown, D. N.
Davis, C. L.
Denig, A. G.
Fritsch, M.
Gradl, W.
Hafner, A.
Alwyn, K. E.
Bailey, D.
Barlow, R. J.
Jackson, G.
Lafferty, G. D.
Anderson, J.
Cenci, R.
Jawahery, A.
Roberts, D. A.
Simi, G.
Tuggle, J. M.
Dallapiccola, C.
Salvati, E.
Cowan, R.
Dujmic, D.
Sciolla, G.
Zhao, M.
Lindemann, D.
Patel, P. M.
Robertson, S. H.
Schram, M.
Biassoni, P.
Lazzaro, A.
Lombardo, V.
Palombo, F.
Stracka, S.
Cremaldi, L.
Godang, R.
Kroeger, R.
Sonnek, P.
Summers, D. J.
Nguyen, X.
Simard, M.
Taras, P.
De Nardo, G.
Monorchio, D.
Onorato, G.
Sciacca, C.
Raven, G.
Snoek, H. L.
Jessop, C. P.
Knoepfel, K. J.
LoSecco, J. M.
Wang, W. F.
Corwin, L. A.
Honscheid, K.
Kass, R.
Morris, J. P.
Blount, N. L.
Brau, J.
Frey, R.
Igonkina, O.
Kolb, J. A.
Rahmat, R.
Sinev, N. B.
Strom, D.
Strube, J.
Torrence, E.
Castelli, G.
Feltresi, E.
Gagliardi, N.
Margoni, M.
Morandin, M.
Posocco, M.
Rotondo, M.
Simonetto, F.
Stroili, R.
Ben-Haim, E.
Bonneaud, G. R.
Briand, H.
Calderini, G.
Chauveau, J.
Hamon, O.
Leruste, Ph.
Marchiori, G.
Ocariz, J.
Prendki, J.
Sitt, S.
Biasini, M.
Manoni, E.
Rossi, A.
Angelini, C.
Batignani, G.
Bettarini, S.
Carpinelli, M.
Casarosa, G.
Cervelli, A.
Forti, F.
Giorgi, M. A.
Lusiani, A.
Neri, N.
Paoloni, E.
Rizzo, G.
Walsh, J. J.
Pegna, D. Lopes
Lu, C.
Olsen, J.
Smith, A. J. S.
Telnov, A. V.
Anulli, F.
Baracchini, E.
Cavoto, G.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Gaspero, M.
Gioi, L. Li
Mazzoni, M. A.
Piredda, G.
Renga, F.
Hartmann, T.
Leddig, T.
Schroeder, H.
Waldi, R.
Adye, T.
Franek, B.
Olaiya, E. O.
Wilson, F. F.
Emery, S.
de Monchenault, G. Hamel
Vasseur, G.
Yeche, Ch.
Zito, M.
Allen, M. T.
Aston, D.
Bard, D. J.
Bartoldus, R.
Benitez, J. F.
Cartaro, C.
Convery, M. R.
Dorfan, J.
Dubois-Felsmann, G. P.
Dunwoodie, W.
Field, R. C.
Sevilla, M. Franco
Fulsom, B. G.
Gabareen, A. M.
Graham, M. T.
Grenier, P.
Hast, C.
Innes, W. R.
Kelsey, M. H.
Kim, H.
Kim, P.
Kocian, M. L.
Leith, D. W. G. S.
Li, S.
Lindquist, B.
Luitz, S.
Luth, V.
Lynch, H. L.
MacFarlane, D. B.
Marsiske, H.
Muller, D. R.
Neal, H.
Nelson, S.
O'Grady, C. P.
Ofte, I.
Perl, M.
Pulliam, T.
Ratcliff, B. N.
Roodman, A.
Salnikov, A. A.
Santoro, V.
Schindler, R. H.
Schwiening, J.
Snyder, A.
Su, D.
Sullivan, M. K.
Sun, S.
Suzuki, K.
Thompson, J. M.
Va'vra, J.
Wagner, A. P.
Weaver, M.
Wisniewski, W. J.
Wittgen, M.
Wright, D. H.
Wulsin, H. W.
Yarritu, A. K.
Young, C. C.
Ziegler, V.
Chen, X. R.
Park, W.
Purohit, M. V.
White, R. M.
Wilson, J. R.
Sekula, S. J.
Bellis, M.
Burchat, P. R.
Edwards, A. J.
Miyashita, T. S.
Ahmed, S.
Alam, M. S.
Ernst, J. A.
Pan, B.
Saeed, M. A.
Zain, S. B.
Guttman, N.
Soffer, A.
Lund, P.
Spanier, S. M.
Eckmann, R.
Ritchie, J. L.
Ruland, A. M.
Schilling, C. J.
Schwitters, R. F.
Wray, B. C.
Izen, J. M.
Lou, X. C.
Bianchi, F.
Gamba, D.
Pelliccioni, M.
Bomben, M.
Lanceri, L.
Vitale, L.
Lopez-March, N.
Martinez-Vidal, F.
Oyanguren, A.
Albert, J.
Banerjee, Sw.
Choi, H. H. F.
Hamano, K.
King, G. J.
Kowalewski, R.
Lewczuk, M. J.
Lindsay, C.
Nugent, I. M.
Roney, J. M.
Sobie, R. J.
Gershon, T. J.
Harrison, P. F.
Latham, T. E.
Puccio, E. M. T.
Band, H. R.
Dasu, S.
Flood, K. T.
Pan, Y.
Prepost, R.
Vuosalo, C. O.
Wu, S. L.
CA BaBar Collaboration
TI Analysis of the D+ -> K- pi(+) e(+) nu(e) decay channel
SO PHYSICAL REVIEW D
LA English
DT Article
ID HIGH-ENERGY-PHYSICS; STRANGE QUARK MASS; RADIATIVE-CORRECTIONS;
FORM-FACTORS; SCATTERING; QCD; ROY
AB Using 347: 5 fb(-1) of data recorded by the BABAR detector at the PEP-II electron-positron collider, 244 x 10(3) signal events for the D+ -> K- pi(+)e(+)nu(e) decay channel are analyzed. This decay mode is dominated by the (K) over bar*(892)(0) contribution. We determine the (K) over bar*(892)(0) parameters: m(K*(892)0) (895.4 +/- 0.2 +/- 0.2) MeV/c(2),Gamma(0)(K*(892)0) (46.5 +/- 0.3 +/- 0.2) MeV/c(2), and the Blatt-Weisskopf parameter r(BW) = 2.1 +/- 0.5 +/- 0.5 (GeV/c)(-1), where the first uncertainty comes from statistics and the second from systematic uncertainties. We also measure the parameters defining the corresponding hadronic form factors at q(2) = 0 (r(V) = V(0)/A(1)(0) = 1.463 +/- 0.031, r(2) = A(2)(0)/A(1)(0) = 0.801 +/- 0.020 +/- 0.020) and the value of the axial-vector pole mass parametrizing the q(2) variation of A(1) and A(2): m(A) (2.63 +/- 0.10 +/- 0.13) GeV/c(2). The S-wave fraction is equal to (5.79 +/- 0.16 +/- 0: 15)%. Other signal components correspond to fractions below 1%. Using the D+ -> K-pi(+)pi(+) channel as a normalization, we measure the D+ semileptonic branching fraction: B(D+ K-pi(+)e(+)nu(e)) (4.00 +/- 0: 03 +/- 0.04 +/- 0.09) x 10(-2), where the third uncertainty comes from external inputs. We then obtain the value of the hadronic form factor A(1) at q(2) 0: A(1)(0) 0.6200 +/- 0.0056 +/- 0.0065 +/- 0.0071. Fixing the P-wave parameters, we measure the phase of the S wave for several values of the K pi mass. These results confirm those obtained with K pi production at small momentum transfer in fixed target experiments.
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[Bianchi, F.; Gamba, D.; Pelliccioni, M.] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy.
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[Harrison, P. F.; Latham, T. E.; Puccio, E. M. T.; Band, H. R.; Dasu, S.; Flood, K. T.; Pan, Y.; Prepost, R.; Vuosalo, C. O.; Wu, S. L.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
Univ Wisconsin, Madison, WI 53706 USA.
[Peruzzi, I. M.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy.
[Carpinelli, M.] Univ Sassari, I-07100 Sassari, Italy.
RP Sanchez, PD (reprint author), Univ Savoie, Lab Annecy le Vieux Phys Particules LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France.
RI Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Kravchenko,
Evgeniy/F-5457-2015; Rotondo, Marcello/I-6043-2012; de Sangro,
Riccardo/J-2901-2012; Saeed, Mohammad Alam/J-7455-2012; Negrini,
Matteo/C-8906-2014; Patrignani, Claudia/C-5223-2009; Monge, Maria
Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Luppi,
Eleonora/A-4902-2015; White, Ryan/E-2979-2015; Calabrese,
Roberto/G-4405-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky,
Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani,
Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani,
Alberto/A-3329-2016; Stracka, Simone/M-3931-2015; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra,
Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016;
OI Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965;
Rotondo, Marcello/0000-0001-5704-6163; de Sangro,
Riccardo/0000-0002-3808-5455; Saeed, Mohammad Alam/0000-0002-3529-9255;
Negrini, Matteo/0000-0003-0101-6963; Patrignani,
Claudia/0000-0002-5882-1747; Monge, Maria Roberta/0000-0003-1633-3195;
Oyanguren, Arantza/0000-0002-8240-7300; Luppi,
Eleonora/0000-0002-1072-5633; White, Ryan/0000-0003-3589-5900;
Calabrese, Roberto/0000-0002-1354-5400; Martinez Vidal,
F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere,
Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288;
Morandin, Mauro/0000-0003-4708-4240; Lusiani,
Alberto/0000-0002-6876-3288; Stracka, Simone/0000-0003-0013-4714; Di
Lodovico, Francesca/0000-0003-3952-2175; Pappagallo,
Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826;
Frey, Raymond/0000-0003-0341-2636; Raven, Gerhard/0000-0002-2897-5323
FU U.S. Department of Energy and National Science Foundation; Natural
Sciences and Engineering Research Council (Canada); Commissariat a
l'Energie Atomique; Institut National de Physique Nucleaire et de
Physique des Particules (France); Bundesministerium fur Bildung und
Forschung; Deutsche Forschungsgemeinschaft (Germany); Istituto Nazionale
di Fisica Nucleare (Italy); Foundation for Fundamental Research on
Matter (The Netherlands); Research Council of Norway; Ministry of
Education and Science of the Russian Federation; Ministerio de Ciencia e
Innovacion (Spain); Science and Technology Facilities Council (United
Kingdom); European Union; A.P. Sloan Foundation (U.S.); Binational
Science Foundation (U.S.-Israel)
FX The authors would like to thank S. Descotes-Genon and A. Le Yaouanc for
fruitful discussions, especially on the charm meson semileptonic decay
rate formalism. We also thank V. Bernard, B. Moussallam, and E. Passemar
for discussions on chiral perturbation theory and different aspects of
the K pi system. We are grateful for the extraordinary contributions of
our PEP-II colleagues in achieving the excellent luminosity and machine
conditions that have made this work possible. The success of this
project also relies critically on the expertise and dedication of the
computing organizations that support BABAR. The collaborating
institutions wish to thank SLAC for its support and the kind hospitality
extended to them. This work is supported by the U.S. Department of
Energy and National Science Foundation, the Natural Sciences and
Engineering Research Council (Canada), the Commissariat a l'Energie
Atomique and Institut National de Physique Nucleaire et de Physique des
Particules (France), the Bundesministerium fur Bildung und Forschung and
Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di
Fisica Nucleare (Italy), the Foundation for Fundamental Research on
Matter (The Netherlands), the Research Council of Norway, the Ministry
of Education and Science of the Russian Federation, Ministerio de
Ciencia e Innovacion (Spain), and the Science and Technology Facilities
Council (United Kingdom). Individuals have received support from the
Marie-Curie IEF program (European Union), the A.P. Sloan Foundation
(U.S.) and the Binational Science Foundation (U.S.-Israel).
NR 54
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U1 1
U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 2470-0010
EI 2470-0029
J9 PHYS REV D
JI Phys. Rev. D
PD APR 1
PY 2011
VL 83
IS 7
AR 072001
DI 10.1103/PhysRevD.83.072001
PG 35
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 743YI
UT WOS:000289055500002
ER
PT J
AU Schoenherr, RM
Kelly-Spratt, KS
Lin, CW
Whiteaker, JR
Liu, T
Holzman, T
Coleman, I
Feng, LC
Lorentzen, TD
Krasnoselsky, AL
Wang, P
Liu, Y
Gurley, KE
Amon, LM
Schepmoes, AA
Moore, RJ
Camp, DG
Chodosh, LA
Smith, RD
Nelson, PS
McIntosh, MW
Kemp, CJ
Paulovich, AG
AF Schoenherr, Regine M.
Kelly-Spratt, Karen S.
Lin, ChenWei
Whiteaker, Jeffrey R.
Liu, Tao
Holzman, Ted
Coleman, Ilsa
Feng, Li-Chia
Lorentzen, Travis D.
Krasnoselsky, Alexei L.
Wang, Pei
Liu, Yan
Gurley, Kay E.
Amon, Lynn M.
Schepmoes, Athena A.
Moore, Ronald J.
Camp, David G., II
Chodosh, Lewis A.
Smith, Richard D.
Nelson, Peter S.
McIntosh, Martin W.
Kemp, Christopher J.
Paulovich, Amanda G.
TI Proteome and transcriptome profiles of a Her2/Neu-driven mouse model of
breast cancer
SO PROTEOMICS CLINICAL APPLICATIONS
LA English
DT Article
DE Breast cancer; Her2; Mouse; Proteome; Transcriptome
ID TANDEM MASS-SPECTROMETRY; CYSTEINYL-PEPTIDE ENRICHMENT; LC-MS;
STATISTICAL-MODEL; PERFORMANCE; THROUGHPUT; STANDARDS; PROTEINS; SYSTEM;
IDENTIFICATIONS
AB Purpose: We generated extensive transcriptional and proteomic profiles from a Her2-driven mouse model of breast cancer that closely recapitulates human breast cancer. This report makes these data publicly available in raw and processed forms, as a resource to the community. Importantly, we previously made biospecimens from this same mouse model freely available through a sample repository, so researchers can obtain samples to test biological hypotheses without the need of breeding animals and collecting biospecimens.
Experimental design: Twelve datasets are available, encompassing 841 LC-MS/MS experiments (plasma and tissues) and 255 microarray analyses of multiple tissues (thymus, spleen, liver, blood cells, and breast). Cases and controls were rigorously paired to avoid bias.
Results: In total, 18 880 unique peptides were identified (PeptideProphet peptide error rate <= 1%), with 3884 and 1659 non-redundant protein groups identified in plasma and tissue datasets, respectively. Sixty-one of these protein groups overlapped between cancer plasma and cancer tissue.
Conclusions and clinical relevance: These data are of use for advancing our understanding of cancer biology, for software and quality control tool development, investigations of analytical variation in MS/MS data, and selection of proteotypic peptides for multiple reaction monitoring-MS. The availability of these datasets will contribute positively to clinical proteomics.
C1 [Schoenherr, Regine M.; Kelly-Spratt, Karen S.; Lin, ChenWei; Whiteaker, Jeffrey R.; Holzman, Ted; Coleman, Ilsa; Feng, Li-Chia; Lorentzen, Travis D.; Krasnoselsky, Alexei L.; Wang, Pei; Liu, Yan; Gurley, Kay E.; Amon, Lynn M.; Nelson, Peter S.; McIntosh, Martin W.; Kemp, Christopher J.; Paulovich, Amanda G.] Fred Hutchinson Canc Res Ctr, Seattle, WA 98109 USA.
[Liu, Tao; Schepmoes, Athena A.; Moore, Ronald J.; Camp, David G., II; Smith, Richard D.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Chodosh, Lewis A.] Univ Penn, Sch Med, Dept Canc Biol, Philadelphia, PA 19104 USA.
RP Paulovich, AG (reprint author), Fred Hutchinson Canc Res Ctr, 1100 Fairview Ave N, Seattle, WA 98109 USA.
EM apaulovi@fhcrc.org
RI Smith, Richard/J-3664-2012; Liu, Tao/A-9020-2013;
OI Smith, Richard/0000-0002-2381-2349; Liu, Tao/0000-0001-9529-6550; Lin,
Cheng/0000-0003-3653-9633
FU NCI/SAIC [23XS144A]; Paul G. Allen Family Foundation; Entertainment
Industry Foundation (EIF); NIH National Center for Research Resources
[RR018522]; U.S. Department of Energy (DOE) Office of Biological and
Environmental Research and located at Pacific Northwest National
Laboratory (PNNL) [DE-AC05-76RLO-1830]
FX This work was funded by NCI/SAIC subcontract 23XS144A to Drs. Amanda G.
Paulovich and Martin W. McIntosh, by a grant from The Paul G. Allen
Family Foundation to Drs. Peter S. Nelson, Martin W. McIntosh,
Christopher J. Kemp, and Amanda G. Paulovich, by the Entertainment
Industry Foundation (EIF) and the EIF Women's Cancer Research Fund to
the Breast Cancer Biomarker Discovery Consortium (Dr. Amanda G.
Paulovich), and by generous gifts from the Keck Foundation and the
Canary Foundation to Dr. Amanda G. Paulovich. Portions of this research
were supported by the NIH National Center for Research Resources
(RR018522; Richard D. Smith, PI), and the Environmental Molecular
Science Laboratory (a national scientific user facility sponsored by the
U.S. Department of Energy (DOE) Office of Biological and Environmental
Research and located at Pacific Northwest National Laboratory (PNNL)).
PNNL is operated by Battelle Memorial Institute for the DOE under
contract DE-AC05-76RLO-1830. We thank Dr. Todd R. Golub, Casey Gates,
and Diane Gage of the Broad Institute's microarray facility for
generating microarray data. We thank members of our advisory board for
advice: Eleftherios P. Diamandis, Ruedi Aebersold, Leigh N. Anderson,
Nicole D. Urban, Valeri I. Vasioukhin, Frederick Appelbaum, Mark T.
Groudine, James Roberts, and Daniel E. Gottschling. We thank all members
of the Allen Project team: Lee Hartwell, Samir M. Hanash, Sharon J.
Pitteri, Hong Wong, Denny Liggitt, Daniel B. Martin, Ted Whitmore,
Amelia Peterson, Robyn L. Prueitt, Matthew Fitzgibbon, Jimmy K. Eng,
Damon H. May, Abby Stimmel, Yuzheng Zhang, Sara L. Zriny, Ruth Dumpit,
Mary M. Trute, Liming Hou, Izabela Sokal, Jacob Kennedy, and Uliana J.
Voytovich. We also thank Matthew Monroe and Samuel Purvine for their
assistance.
NR 35
TC 11
Z9 11
U1 0
U2 2
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1862-8346
J9 PROTEOM CLIN APPL
JI Proteom. Clin. Appl.
PD APR
PY 2011
VL 5
IS 3-4
BP 179
EP 188
DI 10.1002/prca.201000037
PG 10
WC Biochemical Research Methods; Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 742MH
UT WOS:000288947700008
PM 21448875
ER
PT J
AU Sawakuchi, AO
Blair, MW
DeWitt, R
Faleiros, FM
Hyppolito, T
Guedes, CCF
AF Sawakuchi, A. O.
Blair, M. W.
DeWitt, R.
Faleiros, F. M.
Hyppolito, T.
Guedes, C. C. F.
TI Thermal history versus sedimentary history: OSL sensitivity of quartz
grains extracted from rocks and sediments
SO QUATERNARY GEOCHRONOLOGY
LA English
DT Article
DE Optically stimulated luminescence; Quartz; Single grain; Quartz
provenance
ID RIBEIRA SHEAR ZONE; FIRING TEMPERATURE; LUMINESCENCE CHARACTERISTICS;
SOUTHEASTERN BRAZIL; SOUTHERN CHILE; GEOTHERMOMETER; ALUMINUM; PROTOCOL;
SAMPLES
AB The optically stimulated luminescence (OSL) sensitivity of quartz has a significant influence on luminescence dating procedures. Furthermore, identifying the natural controls of quartz OSL sensitivity is an important step towards new applications of OSL in geology such as provenance tracing. We evaluate the OSL sensitivity (total and the proportion of the informally assigned fast, medium and slow components) of single grains of quartz extracted from 10 different igneous and metamorphic rocks with known formation conditions; and from fluvial and coastal sediments with different sedimentary histories and known source rocks. This sample suite allows assessment of the variability of the OSL sensitivity of single quartz grains with respect to their primary origin and sedimentary history. We observed significant variability in the OSL sensitivity of grains within all studied rock and sediment samples, with the brightest grains of each sample being those dominated by the fast component. Quartz from rocks formed under high temperature (> 500 degrees C) conditions, such as rhyolites and metamorphic rocks from the amphibolite facies, display higher OSL sensitivity. The OSL sensitivity of fluvial sediments which have experienced only a short transport distance is relatively low. These sediments show a small increase in OSL sensitivity downstream, mainly due to a decreasing fraction of "dim" grains. The quartz grains from coastal sands present very high sensitivity and variability, which is consistent with their long sedimentary history. The high variability of the OSL sensitivity of quartz from coastal sands is attributed more to the mixture of grains with distinct sedimentary histories than to the provenance from many types of source rocks. The temperature of crystallization and the number of cycles of burial and solar exposure are suggested as the main natural factors controlling the OSL sensitivity of quartz grains. The increase in OSL sensitivity due to cycles of erosion and deposition surpasses the sensitivity inherited from the source rock, with this increase being mainly related to the sensitization of fast OSL components. The discrimination of grains with different sedimentary histories through their OSL sensitivities can allow the development of quantitative provenance methods based on quartz. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Sawakuchi, A. O.; Hyppolito, T.; Guedes, C. C. F.] Univ Sao Paulo, Inst Geociencias, BR-05508080 Sao Paulo, Brazil.
[Blair, M. W.] Los Alamos Natl Lab, Earth & Environm Sci Div, Los Alamos, NM 87545 USA.
[DeWitt, R.] Oklahoma State Univ, Dept Phys, Inst Radiat Dosimetry, Stillwater, OK 74074 USA.
[Faleiros, F. M.] CPRM Serv Geol Brasil, BR-01304010 Sao Paulo, Brazil.
RP Sawakuchi, AO (reprint author), Univ Sao Paulo, Inst Geociencias, Rua Lago 562, BR-05508080 Sao Paulo, Brazil.
EM andreos@usp.br
RI Faleiros, Frederico/F-6138-2010;
OI Faleiros, Frederico/0000-0003-2199-8116; DeWitt,
Regina/0000-0003-2876-5489; Guedes, Carlos Conforti
Ferreira/0000-0001-8816-9174
FU Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
[2007/54889-8]
FX This study was funded by Fundacao de Amparo a Pesquisa do Estado de Sao
Paulo (FAPESP, project: 2007/54889-8). We wish to thank Tim Pietsch,
Frank Preusser and the editor Richard Roberts for the thoughtful
suggestions on the manuscript. We are also grateful to Sergio Williams
de Oliveira Rodrigues and Diego Froes e Souza for help during
fieldtrips. Rodolfo Carlos Mineli is acknowledged for the assistance
during sample preparation as well as in the field.
NR 43
TC 28
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U1 1
U2 11
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1871-1014
J9 QUAT GEOCHRONOL
JI Quat. Geochronol.
PD APR
PY 2011
VL 6
IS 2
BP 261
EP 272
DI 10.1016/j.quageo.2010.11.002
PG 12
WC Geography, Physical; Geosciences, Multidisciplinary
SC Physical Geography; Geology
GA 743LI
UT WOS:000289019400010
ER
PT J
AU Zhu, WL
Gaetani, GA
Fusseis, F
Montesi, LGJ
De Carlo, F
AF Zhu, Wenlu
Gaetani, Glenn A.
Fusseis, Florian
Montesi, Laurent G. J.
De Carlo, Francesco
TI Microtomography of Partially Molten Rocks: Three-Dimensional Melt
Distribution in Mantle Peridotite
SO SCIENCE
LA English
DT Article
ID OCEAN-RIDGE BASALT; EAST PACIFIC RISE; MIDOCEAN RIDGES; BENEATH;
EXTRACTION; PERMEABILITY; TRANSPORT; FLOW; CONSEQUENCES; SEGREGATION
AB The permeability of the upper mantle controls melt segregation beneath spreading centers. Reconciling contradictory geochemical and geophysical observations at ocean ridges requires a better understanding of transport properties in partially molten rocks. Using x-ray synchrotron microtomography, we obtained three-dimensional data on melt distribution for mantle peridotite with various melt fractions. At melt fractions as low as 0.02, triple junctions along grain edges dominated the melt network; there was no evidence of an abrupt change in the fundamental character of melt extraction as melt fraction increased to 0.2. The porosity of the partially molten region beneath ocean ridges is therefore controlled by a balance between viscous compaction and melting rate, not by a change in melt topology.
C1 [Zhu, Wenlu; Montesi, Laurent G. J.] Univ Maryland, Dept Geog, College Pk, MD 20742 USA.
[Gaetani, Glenn A.] Woods Hole Oceanog Inst, Dept Geol & Geophys, Woods Hole, MA 02543 USA.
[Fusseis, Florian] Univ Western Australia, Western Australian Geothermal Ctr Excellence, Crawley, WA, Australia.
[De Carlo, Francesco] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Zhu, WL (reprint author), Univ Maryland, Dept Geog, College Pk, MD 20742 USA.
EM wzhu@umd.edu
RI Montesi, Laurent/C-5216-2009; Gaetani, Glenn/B-8809-2015; Fusseis,
Florian/M-5321-2016
OI Montesi, Laurent/0000-0002-3519-1412; Gaetani,
Glenn/0000-0002-6026-2534; Fusseis, Florian/0000-0002-3104-8109
FU NSF [EAR 0753505, OCE 0937277]; Western Australian State Government;
Commonwealth of Australia; U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX This work is supported by NSF-EAR 0753505 (W.Z. and G. A. G.) and
NSF-OCE 0937277 (L.G.J.M.). F. F. was supported by the Western
Australian State Government through the Premier's Fellowship Program and
the Australian Synchrotron Research Program, funded by the Commonwealth
of Australia under the Major National Research Facilities Program. 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 DE-AC02-06CH11357. We thank X. Xiao and J. Liu for their
assistance. We furthermore acknowledge the Centre for Microscopy,
Characterisation and Analysis for use of an electron microprobe and iVEC
for use of their data storage and visualization facilities.
NR 29
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Z9 59
U1 3
U2 43
PU AMER ASSOC ADVANCEMENT SCIENCE
PI WASHINGTON
PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA
SN 0036-8075
J9 SCIENCE
JI Science
PD APR 1
PY 2011
VL 332
IS 6025
BP 88
EP 91
DI 10.1126/science.1202221
PG 4
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 743EJ
UT WOS:000289000000043
PM 21454786
ER
PT J
AU Vorotnikov, VS
Smith, CW
Farrugia, CJ
Meredith, CJ
Hu, QA
Szabo, A
Skoug, RM
Cohen, CMS
Davis, AJ
Yumoto, K
AF Vorotnikov, Vasiliy S.
Smith, Charles W.
Farrugia, Charles J.
Meredith, Calum J.
Hu, Qiang
Szabo, Adam
Skoug, Ruth M.
Cohen, Christina M. S.
Davis, Andrew J.
Yumoto, Kiyohumi
TI Use of single-component wind speed in Rankine-Hugoniot analysis of
interplanetary shocks
SO SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS
LA English
DT Article
ID SOLAR-WIND
AB We have extended and deployed a routine designed to run independently on the Web providing real-time analysis of interplanetary shock observations from L(1). The program accesses real-time magnetic field, solar wind speed, and proton density data from the Advanced Composition Explorer (ACE) spacecraft, searches for interplanetary shocks, analyzes shocks according to the Rankine-Hugoniot (R-H) jump conditions, and provides shock solutions on the Web for space weather applications. Because the ACE real-time data stream contains the wind speed but not the three-component wind velocity, we describe modifications to the R-H analysis that use the scalar wind speed and show successful results for analyses of strong interplanetary shocks at 1 AU. We compare the three-component and one-component solutions and find the greatest disagreement between the two rests in estimations of the shock speed rather than the shock propagation direction. Uncertainties in magnetic quantities such as magnetic compression and shock normal angle relative to the upstream magnetic field show large uncertainties in both analyses when performed using an automated routine whereas analyses of the shock normal alone do not. The automated data point selection scheme, together with the natural variability of the magnetic field, is inferred to be a problem in a few instances for this and other reasons. For a broad range of interplanetary shocks that arrive 30 to 60 min after passing L(1), this method will provide 15 to 45 min of advanced warning prior to the shock's collision with the Earth's magnetopause. The shock, in turn, provides advance warning of the approaching driver gas.
C1 [Vorotnikov, Vasiliy S.] Univ New Hampshire, Dept Chem Engn, Durham, NH 03824 USA.
[Cohen, Christina M. S.; Davis, Andrew J.] CALTECH, Space Radiat Lab, Pasadena, CA 91125 USA.
[Smith, Charles W.; Farrugia, Charles J.] Univ New Hampshire, Ctr Space Sci, Inst Study Earth Oceans & Space, Dept Phys, Durham, NH 03824 USA.
[Hu, Qiang] Univ Alabama, CSPAR, Huntsville, AL 35805 USA.
[Meredith, Calum J.] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England.
[Skoug, Ruth M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Szabo, Adam] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Yumoto, Kiyohumi] Kyushu Univ, Space Environm Res Ctr, Fukuoka 8128581, Japan.
RP Vorotnikov, VS (reprint author), Univ New Hampshire, Dept Chem Engn, Durham, NH 03824 USA.
EM vasya@udel.edu; charles.smith@unh.edu; charlie.farrugia@unh.edu;
cjm49@leicester.ac.uk; qh0001@uah.edu; adam.szabo@nasa.gov;
rskoug@lanl.gov; cohen@srl.caltech.edu; ad@srl.caltech.edu;
yumoto@serc.kyushu-u.ac.jp
FU NASA [NNG04GMO5G, NAG5-12492]; Caltech [44A-1062037]; U.S. Department of
Energy
FX Funding for this work was provided by NASA grants NNG04GMO5G and
NAG5-12492 and Caltech subcontract 44A-1062037 in support of the ACE/MAG
experiment. Support at LANL was provided under the auspices of the U.S.
Department of Energy, with financial support from the NASA ACE program.
We thank the Solar-Terrestrial Laboratory at Nagoya University for
providing the 210MM magnetic observations and the IMAGE ground-based
magnetometer team for providing data used in this study. V. S. V. was an
undergraduate senior at UNH pursuing a chemical engineering major in
renewable energy when this work was performed. He is now a graduate
student in the Center for Renewable Energy at the University of
Delaware. C.J.M. was a visiting undergraduate at UNH at the time this
work was completed.
NR 14
TC 5
Z9 5
U1 0
U2 5
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 1542-7390
J9 SPACE WEATHER
JI Space Weather
PD APR 1
PY 2011
VL 9
AR S04001
DI 10.1029/2010SW000631
PG 9
WC Astronomy & Astrophysics; Geochemistry & Geophysics; Meteorology &
Atmospheric Sciences
SC Astronomy & Astrophysics; Geochemistry & Geophysics; Meteorology &
Atmospheric Sciences
GA 744KS
UT WOS:000289093900001
ER
PT J
AU Hao, SQ
Rankin, RB
Johnson, JK
Sholl, DS
AF Hao, Shiqiang
Rankin, Rees B.
Johnson, J. Karl
Sholl, David S.
TI Surface reactions of AsH3, H2Se, and H2S on the Zn2TiO4(010) surface
SO SURFACE SCIENCE
LA English
DT Article
DE Density functional calculations; Hydrogen sulfide; Surface chemical
reaction
ID COAL-GASIFICATION; TECHNOLOGIES
AB Removal of toxic species such as As. Se. and S is critical to the successful implementation of high efficiency Integrated Gasification Combined Cycle (IGCC) processes for coal utilization. In this work we study the initial low-coverage surface reactions of AsH3, H2Se and H2S with a regenerable sorbent, zinc orthotitanate (Zn2TiO4), using first principles density functional theory. AsH3 adsorbs more preferentially on oxygen-rich (010) surfaces, while H2Se and H2S are more favorably bound to metal-rich (010) surfaces. We calculated the dissociation pathways and rates for each adsorbed species, finding that dehydrogenation of AsH3, H2Se, and H2S should be facile on these surfaces at the high temperatures relevant for IGCC processes. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Hao, Shiqiang; Sholl, David S.] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
[Rankin, Rees B.; Johnson, J. Karl] Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA.
[Rankin, Rees B.; Johnson, J. Karl] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Sholl, DS (reprint author), Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
EM david.sholl@chbe.gatech.edu
RI Johnson, Karl/E-9733-2013
OI Johnson, Karl/0000-0002-3608-8003
FU NETL [DE-AC26-04NT41817]; Subtask [606.01.04]; Georgia Tech Strategic
Energy Initiative Seed Fund program
FX This work was initiated with financial support from NETL with contract
DE-AC26-04NT41817, Subtask 606.01.04. SH and DSS also acknowledge
support from the Georgia Tech Strategic Energy Initiative Seed Fund
program.
NR 14
TC 5
Z9 5
U1 1
U2 5
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0039-6028
J9 SURF SCI
JI Surf. Sci.
PD APR
PY 2011
VL 605
IS 7-8
BP 818
EP 823
DI 10.1016/j.susc.2011.01.025
PG 6
WC Chemistry, Physical; Physics, Condensed Matter
SC Chemistry; Physics
GA 741CR
UT WOS:000288841200025
ER
PT J
AU Zhang, Y
Liu, BZ
Gable, CW
AF Zhang, Ye
Liu, Baozhong
Gable, Carl W.
TI Homogenization of Hydraulic Conductivity for Hierarchical Sedimentary
Deposits at Multiple Scales
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE Hydraulic conductivity; Heterogeneity; Upscaling; Equivalent
conductivity; Sedimentary hierarchy
ID HETEROGENEOUS POROUS-MEDIA; EXPERIMENTAL STRATIGRAPHY; FLOW;
PERMEABILITY; CONNECTIVITY
AB Based on a three-dimensional heterogeneous aquifer model exhibiting non-stationary, statistically anisotropic correlation, three hydrostratigraphic models (HSMs) are created within a sedimentary hierarchy. A geostatistical analysis of natural log conductivity (lnK) is conducted for the units of the HSMs. Hydraulic conductivity is then upscaled using numerical and analytical methods. Increasing lnK variances are evaluated. Results suggest that for the aquifer model tested: (1) the numerical method is capable of upscaling irregular domains with reasonable accuracy for a lnK variance up to 7.0. (2) Accuracy of the upscaled equivalent conductivities (K*) and associated performance of the HSMs are sensitive to homogenization level, heterogeneity variance, and boundary condition. Variance is found to be the most significant factor impacting the accuracy of the HSMs. (3) Diagonal tensor appears a good approximation for the full-tensor K*. (4) For the HSM units, when the variance is low (less than 1.0), all analytical methods are nearly equally accurate; however, when variance becomes higher, analytical methods generally are less accurate.
C1 [Zhang, Ye; Liu, Baozhong] Univ Wyoming, Laramie, WY 82071 USA.
[Gable, Carl W.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Zhang, Y (reprint author), Univ Wyoming, 1000 Univ Ave, Laramie, WY 82071 USA.
EM yzhang9@uwyo.edu
OI Gable, Carl/0000-0001-7063-0815
FU NSF [EAR-0838250]
FX Funding for this study was provided by a NSF grant EAR-0838250 awarded
to the first author. We acknowledge the insightful comments of the
anonymous reviewers.
NR 25
TC 6
Z9 7
U1 1
U2 4
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD APR
PY 2011
VL 87
IS 3
BP 717
EP 737
DI 10.1007/s11242-010-9711-8
PG 21
WC Engineering, Chemical
SC Engineering
GA 739HQ
UT WOS:000288706000005
ER
PT J
AU Radetic, T
Minor, AM
Dahmen, U
AF Radetic, T.
Minor, A. M.
Dahmen, U.
TI Capillarity-driven migration of a thin Ge wedge in contact with a
bicrystalline Au film
SO ACTA MATERIALIA
LA English
DT Article
DE Dewetting; Capillarity; Bicrystalline substrate; Wedge migration; TEM
characterization
ID SCANNING-TUNNELING-MICROSCOPY; GRAIN-GROWTH; SURFACE-DIFFUSION;
EQUILIBRIUM SHAPE; TEM OBSERVATIONS; ENERGY; SI; PARTICLES; SUBSTRATE;
SI(001)
AB We have investigated the retraction of a single-crystalline Ge wedge in epitaxial contact with a bicrystalline Au film using in situ electron microscopy. The rate of retraction was close to that predicted for capillarity-driven surface diffusion, following kinetics proportional to t(n), with n = 0.22-0.35, but crystal anisotropy caused migration to be significantly faster along < 1 0 0 > directions than along < 1 1 0 >. The bicrystalline Au substrate was not inert, but underwent abnormal grain growth in the area swept by the receding Ge wedge. Cross-sections made from plan-view transmission electron microscopy samples revealed that this was related to ridge formation during the retraction process. In situ observations of the process in an inclined orientation showed direct evidence of substrate grain boundaries being dragged by the receding Ge wedge. The results can be understood in the framework of capillarity models for isotropic solid-state wedges and reactive wetting in high-temperature liquid solid experiments. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Radetic, T.; Minor, A. M.; Dahmen, U.] Univ Calif Berkeley, Lawrence Berkeley Lab, NCEM, Berkeley, CA 94720 USA.
[Minor, A. M.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
RP Dahmen, U (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, NCEM, MS 72, Berkeley, CA 94720 USA.
EM UDahmen@LBL.gov
FU Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy [DE-AC02-05CH11231]
FX This work was performed at the National Center for Electron Microscopy,
Lawrence Berkeley National Laboratory, and was supported by the Office
of Science, Office of Basic Energy Sciences, of the US Department of
Energy under Contract No. DE-AC02-05CH11231.
NR 32
TC 1
Z9 1
U1 2
U2 12
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD APR
PY 2011
VL 59
IS 6
BP 2481
EP 2490
DI 10.1016/j.actamat.2010.12.051
PG 10
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 737KU
UT WOS:000288568500023
ER
PT J
AU Sizova, MV
Izquierdo, JA
Panikov, NS
Lynd, LR
AF Sizova, M. V.
Izquierdo, J. A.
Panikov, N. S.
Lynd, L. R.
TI Cellulose- and Xylan-Degrading Thermophilic Anaerobic Bacteria from
Biocompost
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID SEA-ICE BACTERIA; CLOSTRIDIUM-THERMOCELLUM; SP-NOV.;
CALDICELLULOSIRUPTOR-SACCHAROLYTICUS; METHANOGENIC BIOREACTOR;
STERCORARIUM; DEGRADATION; HYDROLYSIS; COMMUNITY; ENZYMES
AB Nine thermophilic cellulolytic clostridial isolates and four other noncellulolytic bacterial isolates were isolated from self-heated biocompost via preliminary enrichment culture on microcrystalline cellulose. All cellulolytic isolates grew vigorously on cellulose, with the formation of either ethanol and acetate or acetate and formate as principal fermentation products as well as lactate and glycerol as minor products. In addition, two out of nine cellulolytic strains were able to utilize xylan and pretreated wood with roughly the same efficiency as for cellulose. The major products of xylan fermentation were acetate and formate, with minor contributions of lactate and ethanol. Phylogenetic analyses of 16S rRNA and glycosyl hydrolase family 48 (GH48) gene sequences revealed that two xylan-utilizing isolates were related to a Clostridium clariflavum strain and represent a distinct novel branch within the GH48 family. Both isolates possessed high cellulase and xylanase activity induced independently by either cellulose or xylan. Enzymatic activity decayed after growth cessation, with more-rapid disappearance of cellulase activity than of xylanase activity. A mixture of xylan and cellulose was utilized simultaneously, with a significant synergistic effect observed as a reduction of lag phase in cellulose degradation.
C1 [Sizova, M. V.; Izquierdo, J. A.; Panikov, N. S.; Lynd, L. R.] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA.
[Sizova, M. V.; Izquierdo, J. A.; Panikov, N. S.; Lynd, L. R.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Sizova, M. V.; Panikov, N. S.] Northeastern Univ, Dept Biol, Boston, MA 02115 USA.
RP Lynd, LR (reprint author), Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA.
EM Lee.R.Lynd@dartmouth.edu
RI Lynd, Lee/N-1260-2013;
OI Lynd, Lee/0000-0002-5642-668X; Izquierdo, Javier/0000-0002-5143-3450
FU BioEnergy Science Center (BESC); 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 U.S. Department of Energy (DOE)
Bioenergy Research Center supported by the Office of Biological and
Environmental Research in the DOE Office of Science, and by Mascoma
Corporation.
NR 46
TC 51
Z9 53
U1 3
U2 39
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD APR
PY 2011
VL 77
IS 7
BP 2282
EP 2291
DI 10.1128/AEM.01219-10
PG 10
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 741HT
UT WOS:000288855500011
PM 21317267
ER
PT J
AU Lee, JK
Jung, HS
Wang, YQ
Theodore, ND
Alford, TL
Nastasi, M
AF Lee, Jung-Kun
Jung, Hyun Suk
Wang, Yongqiang
Theodore, N. David
Alford, Terry L.
Nastasi, Michael
TI Ion-irradiation enhanced epitaxial growth of sol-gel TiO2 films
SO APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
LA English
DT Article
ID THIN-FILMS; ELECTRICAL-PROPERTIES; CRYSTALLIZATION; AMORPHIZATION;
SUBSTRATE; KINETICS; SILICON; RECRYSTALLIZATION; COATINGS; SRTIO3
AB We report the epitaxial growth of sol-gel TiO2 films by using ion-irradiation enhanced synthesis. Our present study shows that the ion-beam process can provide highly crystalline TiO2 even at 350A degrees C. Nuclear energy deposition at amorphous/crystalline interface plays a dominant role in the epitaxial growth of the films at the reduced temperature via a defect-migration mechanism. In addition, the ion irradiation allows for increasing the film density by balancing the crystallization rate and the escape rate of organic components.
C1 [Lee, Jung-Kun] Univ Pittsburgh, Dept Mech Engn & Mat Sci, Pittsburgh, PA 15261 USA.
[Jung, Hyun Suk] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea.
[Wang, Yongqiang; Nastasi, Michael] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Theodore, N. David] Freescale Semicond Inc, Silicon Technol Solut, Tempe, AZ 85284 USA.
[Alford, Terry L.] Arizona State Univ, Sch Mech Aerosp Chem & Mat Engn, Tempe, AZ 85287 USA.
RP Lee, JK (reprint author), Univ Pittsburgh, Dept Mech Engn & Mat Sci, Pittsburgh, PA 15261 USA.
EM jul37@pitt.edu
RI Jung, Hyun Suk/D-4745-2011; Jung, Hyun Suk/H-3659-2015
FU National Science Foundation [DMR-0847319]; Los Alamos National
Laboratory [DE-AC52-06NA25396]; Sandia National Laboratory
[DE-AC04-94AL85000]
FX This work was supported by National Science Foundation (Grant No.
DMR-0847319). A part of the research was performed at the Center for
Integrated Nanotechnologies, a U.S. Department of Energy, Office of
Basic Energy Sciences user facility at Los Alamos National Laboratory
(Contract DE-AC52-06NA25396) and Sandia National Laboratory (Contract
DE-AC04-94AL85000).
NR 27
TC 2
Z9 2
U1 1
U2 8
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0947-8396
J9 APPL PHYS A-MATER
JI Appl. Phys. A-Mater. Sci. Process.
PD APR
PY 2011
VL 103
IS 1
BP 179
EP 184
DI 10.1007/s00339-010-5985-5
PG 6
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 739WT
UT WOS:000288752800023
ER
PT J
AU Gruber, D
Kruhler, T
Foley, S
Nardini, M
Burlon, D
Rau, A
Bissaldi, E
von Kienlin, A
McBreen, S
Greiner, J
Bhat, PN
Briggs, MS
Burgess, JM
Chaplin, VL
Connaughton, V
Diehl, R
Fishman, GJ
Gibby, MH
Giles, MM
Goldstein, A
Guiriec, S
van der Horst, AJ
Kippen, RM
Kouveliotou, C
Lin, L
Meegan, CA
Paciesas, WS
Preece, RD
Tierney, D
Wilson-Hodge, C
AF Gruber, D.
Kruehler, T.
Foley, S.
Nardini, M.
Burlon, D.
Rau, A.
Bissaldi, E.
von Kienlin, A.
McBreen, S.
Greiner, J.
Bhat, P. N.
Briggs, M. S.
Burgess, J. M.
Chaplin, V. L.
Connaughton, V.
Diehl, R.
Fishman, G. J.
Gibby, M. H.
Giles, M. M.
Goldstein, A.
Guiriec, S.
van der Horst, A. J.
Kippen, R. M.
Kouveliotou, C.
Lin, L.
Meegan, C. A.
Paciesas, W. S.
Preece, R. D.
Tierney, D.
Wilson-Hodge, C.
TI Fermi/GBM observations of the ultra-long GRB 091024 A burst with an
optical flash
SO ASTRONOMY & ASTROPHYSICS
LA English
DT Article
DE gamma-ray burst: general; gamma-ray burst: individual: GRB 091024
ID GAMMA-RAY-BURSTS; PROBE WMAP OBSERVATIONS; LAG-LUMINOSITY RELATION;
LIGHT CURVES; PEAK LUMINOSITY; COSMOLOGICAL PARAMETERS; SPECTRAL
EVOLUTION; BATSE OBSERVATIONS; AFTERGLOW; BRIGHT
AB Aims. In this paper we examine gamma-ray and optical data of GRB 091024, a gamma-ray burst (GRB) with an extremely long duration of T-90 approximate to 1020 s, as observed with the Fermi Gamma-ray Burst Monitor (GBM).
Methods. We present spectral analysis of all three distinct emission episodes using data from Fermi/GBM. Because of the long nature of this event, many ground-based optical telescopes slewed to its location within a few minutes and thus were able to observe the GRB during its active period. We compare the optical and gamma-ray light curves. Furthermore, we estimate a lower limit on the bulk Lorentz factor from the variability and spectrum of the GBM light curve and compare it with that obtained from the peak time of the forward shock of the optical afterglow.
Results. From the spectral analysis we note that, despite its unusually long duration, this burst is similar to other long GRBs, i.e. there is spectral evolution (both the peak energy and the spectral index vary with time) and spectral lags are measured. We find that the optical light curve is highly anti-correlated to the prompt gamma-ray emission, with the optical emission reaching the maximum during an epoch of quiescence in the prompt emission. We interpret this behavior as the reverse shock (optical flash), expected in the internal-external shock model of GRB emission but observed only in a handful of GRBs so far. The lower limit on the initial Lorentz factor deduced from the variability time scale (Gamma(min) = 195(-110)(+ 90)) is consistent within the error to the one obtained using the peak time of the forward shock (Gamma(0) = 120) and is also consistent with Lorentz factors of other long GRBs.
C1 [Gruber, D.; Kruehler, T.; Foley, S.; Nardini, M.; Burlon, D.; Rau, A.; Bissaldi, E.; von Kienlin, A.; Greiner, J.; Diehl, R.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
[Kruehler, T.] Tech Univ Munich, D-85748 Garching, Germany.
[McBreen, S.; Tierney, D.] Univ Coll Dublin, Dublin 4, Ireland.
[Bhat, P. N.; Briggs, M. S.; Burgess, J. M.; Chaplin, V. L.; Connaughton, V.; Goldstein, A.; Guiriec, S.; van der Horst, A. J.; Paciesas, W. S.; Preece, R. D.] Univ Alabama, NSSTC, Huntsville, AL 35805 USA.
[Fishman, G. J.; Kouveliotou, C.; Wilson-Hodge, C.] NASA, George C Marshall Space Flight Ctr, Space Sci Off, Huntsville, AL 35812 USA.
[Gibby, M. H.; Giles, M. M.] Jacobs Technol Inc, Huntsville, AL USA.
[Kippen, R. M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Meegan, C. A.] Univ Space Res Assoc, NSSTC, Huntsville, AL 35805 USA.
RP Gruber, D (reprint author), Max Planck Inst Extraterr Phys, Giessenbachstr,Postfach 1312, D-85748 Garching, Germany.
EM dgruber@mpe.mpg.de
RI Bissaldi, Elisabetta/K-7911-2016;
OI Bissaldi, Elisabetta/0000-0001-9935-8106; Preece,
Robert/0000-0003-1626-7335; Burgess, James/0000-0003-3345-9515;
Kruehler, Thomas/0000-0002-8682-2384
FU German Bundesministerium fur Wirtschaft und Technologie (BMWi) via the
Deutsches Zentrum fur Luft- und Raumfahrt (DLR) [50 QV 0301, 50 OG
0502]; Irish Research Council for Science, Engineering and Technology;
Marie Curie Actions
FX The GBM project is supported by the German Bundesministerium fur
Wirtschaft und Technologie (BMWi) via the Deutsches Zentrum fur Luft-
und Raumfahrt (DLR) under the contract numbers 50 QV 0301 and 50 OG
0502. S.F. acknowledges the support of the Irish Research Council for
Science, Engineering and Technology, cofunded by Marie Curie Actions
under FP7.
NR 65
TC 25
Z9 25
U1 0
U2 4
PU EDP SCIENCES S A
PI LES ULIS CEDEX A
PA 17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A,
FRANCE
SN 1432-0746
J9 ASTRON ASTROPHYS
JI Astron. Astrophys.
PD APR
PY 2011
VL 528
AR A15
DI 10.1051/0004-6361/201015891
PG 8
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 737BD
UT WOS:000288541600041
ER
PT J
AU West, MJ
Jordan, A
Blakeslee, JP
Cote, P
Gregg, MD
Takamiya, M
Marzke, RO
AF West, M. J.
Jordan, A.
Blakeslee, J. P.
Cote, P.
Gregg, M. D.
Takamiya, M.
Marzke, R. O.
TI The globular cluster systems of Abell 1185
SO ASTRONOMY & ASTROPHYSICS
LA English
DT Article
DE galaxies: elliptical and lenticular, cD; galaxies: formation; galaxies:
interactions; globular clusters: general; galaxies: clusters:
individual: Abell 1185
ID EARLY-TYPE GALAXIES; TELESCOPE ADVANCED CAMERA; COLOR-MAGNITUDE
RELATION; VIRGO-CLUSTER; LUMINOSITY FUNCTION; COMA CLUSTER; INTRACLUSTER
GLOBULARS; STELLAR POPULATIONS; FORNAX CLUSTER; DIFFUSE LIGHT
AB We examine the properties of a previously discovered population of globular clusters in the heart of the rich galaxy cluster Abell 1185 that might be intergalactic in nature. Deep images obtained with the Advanced Camera for Surveys (ACS) aboard Hubble Space Telescope (HST) confirm the presence of similar to 1300 globular clusters brighter than I-F814W similar or equal to 27.3 mag in a field devoid of any large galaxies. The luminosities and colors of these objects are found to be similar to those of metal-poor globular clusters observed in many galaxies to date. Although a significant fraction of the detected globular clusters undoubtedly reside in the outer halos of galaxies adjacent to this field, detailed modeling of their distribution suggests that the majority of these objects are likely to be intergalactic, in the sense that they are not gravitationally bound to any individual galaxy. We conclude that the true nature and origin of the globular cluster population in the core of A1185 - galactic residents or intergalactic wanderers - remains uncertain, and suggest how future observation could resolve this ambiguity.
C1 [West, M. J.] European So Observ, Santiago, Chile.
[Jordan, A.] Pontificia Univ Catolica Chile, Dept Astron & Astrofis, Santiago 22, Chile.
[Blakeslee, J. P.; Cote, P.] Natl Res Council Canada, Herzberg Inst Astrophys, Victoria, BC V9E 2E7, Canada.
[Gregg, M. D.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Gregg, M. D.] Univ Calif Davis, Dept Phys, Davis, CA USA.
[Takamiya, M.] Univ Hawaii, Dept Phys & Astron, Hilo, HI 96720 USA.
[Marzke, R. O.] San Francisco State Univ, Dept Phys & Astron, San Francisco, CA 94132 USA.
RP West, MJ (reprint author), European So Observ, Alonso de Cordova 3107, Santiago, Chile.
EM mwest@eso.org; ajordan@astro.puc.cl; john.blakeslee@nrc-cnrc.gc.ca;
patrick.cote@nrc-cnrc.gc.ca; gregg@igpp.ucllnl.org;
mtakamiya@hawaii.edu; marzke@stars.sfsu.edu
OI Jordan, Andres/0000-0002-5389-3944; Blakeslee, John/0000-0002-5213-3548
FU NASA through Space Telescope Science Institute [HST-GO-9488]; NASA [NAS
5-26555]; NSF [AST 02-05960]; Fondecyt [1095213]; US Department of
Energy by Lawrence Livermore National Laboratory [W-7405-Eng-48,
DE-AC52-07NA27344]
FX We thank Stefano Andreon and Jean-Charles Cuillandre for kindly
providing their reduced CFH12k images of A1185, Sidney van den Bergh for
enlightening discussions, and the anonymous referee for suggestions that
helped to improve the paper. Support for programme HST-GO-9488 was
provided by NASA through a grant from the Space Telescope Science
Institute which is operated by the Association of Universities for
Research in Astronomy, Inc., under NASA contract NAS 5-26555. This
research made use of the NASA/IPAC Extragalactic Database (NED) which is
operated by the Jet Propulsion Laboratory, California Institute of
Technology, under contract with NASA. M.J.W. thanks the Herzberg
Institute of Astrophysics for its hospitality during much of this work
and acknowledges additional support from NSF grant AST 02-05960. A.J.
acknowledges support from Fondecyt project 1095213, Anillo ACT86, BASAL
CATA PFB-06, FONDAP CFA 15010003 and MIDEPLAN ICM Nucleus P07-021-F.
Part of the work reported here was done at the Institute of Geophysics
and Planetary Physics, under the auspices of the US Department of Energy
by Lawrence Livermore National Laboratory in part under Contract
W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344.
NR 89
TC 12
Z9 12
U1 0
U2 2
PU EDP SCIENCES S A
PI LES ULIS CEDEX A
PA 17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A,
FRANCE
SN 0004-6361
J9 ASTRON ASTROPHYS
JI Astron. Astrophys.
PD APR
PY 2011
VL 528
AR A115
DI 10.1051/0004-6361/201015939
PG 13
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 737BD
UT WOS:000288541600055
ER
PT J
AU Aspden, AJ
Bell, JB
Woosley, SE
AF Aspden, A. J.
Bell, J. B.
Woosley, S. E.
TI TURBULENT OXYGEN FLAMES IN TYPE Ia SUPERNOVAE
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE hydrodynamics; methods: numerical; nuclear reactions, nucleosynthesis,
abundances; supernovae: general; turbulence; white dwarfs
ID DELAYED DETONATION; WHITE-DWARFS; EXPLOSION
AB In previous studies, we examined turbulence-flame interactions in carbon-burning thermonuclear flames in Type Ia supernovae. In this study, we consider turbulence-flame interactions in the trailing oxygen flames. The two aims of the paper are to examine the response of the inductive oxygen flame to intense levels of turbulence, and to explore the possibility of transition to detonation in the oxygen flame. Scaling arguments analogous to the carbon flames are presented and then compared against three-dimensional simulations for a range of Damkohler numbers (Da(16)) at a fixed Karlovitz number. The simulations suggest that turbulence does not significantly affect the oxygen flame when Da(16) < 1, and the flame burns inductively some distance behind the carbon flame. However, for Da(16) > 1, turbulence enhances heat transfer and drives the propagation of a flame that is narrower than the corresponding inductive flame would be. Furthermore, burning under these conditions appears to occur as part of a combined carbon-oxygen turbulent flame with complex compound structure. The simulations do not appear to support the possibility of a transition to detonation in the oxygen flame, but do not preclude it either.
C1 [Aspden, A. J.; Bell, J. B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Woosley, S. E.] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA.
RP Aspden, AJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,MS 50A-1148, Berkeley, CA 94720 USA.
RI Aspden, Andy/A-7391-2017
OI Aspden, Andy/0000-0002-2970-4824
FU U.S. Department of Energy [DE-AC02-05CH11231]; NASA [NNX09AK36G]; DOE
[DE-FC02-06ER41438]
FX A.J.A. and J.B.B. were supported by the Applied Mathematics Research
Program of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231. At UCSC this research has been supported by the NASA
Theory Program NNX09AK36G and the DOE SciDAC Program
(DE-FC02-06ER41438). The computations presented here were performed on
the ATLAS Linux Cluster at LLNL as part of a Grand Challenge Project.
NR 24
TC 5
Z9 5
U1 0
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
PY 2011
VL 730
IS 2
AR 144
DI 10.1088/0004-637X/730/2/144
PG 8
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900084
ER
PT J
AU Camporeale, E
Burgess, D
AF Camporeale, Enrico
Burgess, David
TI THE DISSIPATION OF SOLAR WIND TURBULENT FLUCTUATIONS AT ELECTRON SCALES
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE plasmas; solar wind; turbulence; waves
ID MAGNETIC FLUCTUATIONS; ENERGY CASCADE; WAVES; RANGE; DYNAMICS; PLASMA
AB We present two-dimensional fully kinetic particle-in-cell simulations of decaying electromagnetic fluctuations. The computational box is such that wavelengths ranging from electron to ion gyroradii are resolved. The parameters used are realistic for the solar wind, and the ion-to-electron mass ratio is physical. The dissipation of turbulent fluctuations at small scales is thought to be a crucial mechanism for solar wind acceleration and coronal heating. The computational results suggest that a power-law cascade of magnetic fluctuations could be sustained up to scales of the electron Larmor radius and smaller. We analyze the simulation results in light of the Vlasov linear theory, and we comment on the particle heating. The dispersion curves of lightly damped modes in this regime suggest that a linear mechanism could be responsible for the observed steepening of power spectra at electron scales, but a straightforward identification of turbulent fluctuations as an ensemble of linear modes is not possible.
C1 [Camporeale, Enrico; Burgess, David] Queen Mary Univ London, Sch Math Sci, London E1 4NS, England.
RP Camporeale, E (reprint author), Los Alamos Natl Lab, Div Theoret, Appl Math & Plasma Phys Grp, Los Alamos, NM 87545 USA.
FU STFC [ST/H002731/1]
FX This work was supported by STFC grant ST/H002731/1.
NR 27
TC 30
Z9 30
U1 0
U2 7
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
PY 2011
VL 730
IS 2
AR 114
DI 10.1088/0004-637X/730/2/114
PG 8
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900054
ER
PT J
AU Capak, P
Mobasher, B
Scoville, NZ
McCracken, H
Ilbert, O
Salvato, M
Menendez-Delmestre, K
Aussel, H
Carilli, C
Civano, F
Elvis, M
Giavalisco, M
Jullo, E
Kartaltepe, J
Leauthaud, A
Koekemoer, AM
Kneib, JP
LeFloch, E
Sanders, DB
Schinnerer, E
Shioya, Y
Shopbell, P
Tanaguchi, Y
Thompson, D
Willott, CJ
AF Capak, P.
Mobasher, B.
Scoville, N. Z.
McCracken, H.
Ilbert, O.
Salvato, M.
Menendez-Delmestre, K.
Aussel, H.
Carilli, C.
Civano, F.
Elvis, M.
Giavalisco, M.
Jullo, E.
Kartaltepe, J.
Leauthaud, A.
Koekemoer, A. M.
Kneib, J. -P.
LeFloch, E.
Sanders, D. B.
Schinnerer, E.
Shioya, Y.
Shopbell, P.
Tanaguchi, Y.
Thompson, D.
Willott, C. J.
TI SPECTROSCOPY OF LUMINOUS z > 7 GALAXY CANDIDATES AND SOURCES OF
CONTAMINATION IN z > 7 GALAXY SEARCHES
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE galaxies: evolution; galaxies: formation; galaxies: high-redshift
ID LYMAN-BREAK GALAXIES; ULTRA-DEEP-FIELD; STELLAR MASS DENSITY; LY-ALPHA
EMITTERS; SIMILAR-TO 7-10; STAR-FORMING GALAXIES; KECK-II-TELESCOPE;
HIGH-REDSHIFT; COSMOS FIELD; DARK-MATTER
AB We present three bright z(+)-dropout candidates selected from deep near-infrared (NIR) imaging of the COSMOS 2 deg(2) field. All three objects match the 0.8-8 mu m colors of other published z > 7 candidates but are 3 mag brighter, facilitating further study. Deep spectroscopy of two of the candidates covering 0.64-1.02 mu m with Keck-DEIMOS and all three covering 0.94-1.10 mu m and 1.52-1.80 mu m with Keck-NIRSPEC detects weak spectral features tentatively identified as Ly alpha at z = 6.95 and z = 7.69 in two of the objects. The third object is placed at z similar to 1.6 based on a 24 mu m and weak optical detection. A comparison with the spectral energy distributions of known z < 7 galaxies, including objects with strong spectral lines, large extinction, and large systematic uncertainties in the photometry, yields no objects with similar colors. However, the lambda > 1 mu m properties of all three objects can be matched to optically detected sources with photometric redshifts at z similar to 1.8, so the non-detection in the i(+) and z(+) bands is the primary factor which favors a z > 7 solution. If any of these objects are at z similar to 7, the bright end of the luminosity function is significantly higher at z > 7 than suggested by previous studies, but consistent within the statistical uncertainty and the dark matter halo distribution. If these objects are at low redshift, the Lyman break selection must be contaminated by a previously unknown population of low-redshift objects with very strong breaks in their broadband spectral energy distributions and blue NIR colors. The implications of this result on luminosity function evolution at high redshift are discussed. We show that the primary limitation of z > 7 galaxy searches with broad filters is the depth of the available optical data.
C1 [Capak, P.; Jullo, E.] Spitzer Sci Ctr, Pasadena, CA 91125 USA.
[Capak, P.; Scoville, N. Z.; Salvato, M.; Shopbell, P.] CALTECH, Dept Astron, Pasadena, CA 91125 USA.
[Mobasher, B.] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA.
[McCracken, H.] Univ Paris 06, CNRS, UMR7095, Inst Astrophys Paris, F-75014 Paris, France.
[Ilbert, O.] Astrophys Lab, F-13376 Marseille 12, France.
[Menendez-Delmestre, K.] Carnegie Observ, Pasadena, CA 91101 USA.
[Aussel, H.; LeFloch, E.] Univ Paris 07, CNRS, AIM, UMR CEA,UMR 7158, F-91191 Gif Sur Yvette, France.
[Carilli, C.] Natl Radio Astron Observ, Socorro, NM 87801 USA.
[Civano, F.; Elvis, M.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Giavalisco, M.] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA.
[Kartaltepe, J.; Sanders, D. B.] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA.
[Leauthaud, A.] Univ Calif Berkeley, LBNL, Berkeley, CA 94720 USA.
[Leauthaud, A.] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA.
[Koekemoer, A. M.] Space Telescope Sci Inst, Baltimore, MD 21218 USA.
[Kneib, J. -P.] Univ Aix Marseille, CNRS, Lab Astrophys Marseille, F-13388 Marseille 13, France.
[Schinnerer, E.] Max Planck Inst Astron, D-69117 Heidelberg, Germany.
[Shioya, Y.; Tanaguchi, Y.] Ehime Univ, Res Ctr Space & Cosm Evolut, Matsuyama, Ehime 7908577, Japan.
[Thompson, D.] Univ Arizona, Large Binocular Telescope Observ, Tucson, AZ 85721 USA.
[Willott, C. J.] Natl Res Council Canada, Herzberg Inst Astrophys, Victoria, BC V9E 2E7, Canada.
RP Capak, P (reprint author), Spitzer Sci Ctr, 314-6 Caltech,1201 E Calif Blvd, Pasadena, CA 91125 USA.
RI Astrofisica, Inct/H-9455-2013; 7, INCT/H-6207-2013; Kneib,
Jean-Paul/A-7919-2015;
OI Kneib, Jean-Paul/0000-0002-4616-4989; Schinnerer,
Eva/0000-0002-3933-7677; Jullo, Eric/0000-0002-9253-053X; Koekemoer,
Anton/0000-0002-6610-2048
FU W. M. Keck Foundation; NASA [NAS5-26555, NAS8-03060, 1407, 1278386,
HST-GO-09822]; ESA Member States; Associated Universities, Inc.; German
Max-Planck-Society; French CNRS; Spanish National Geographical
Institute; Spitzer Science Center; French Agene National de la Recheche
[ANR-07-BLAN-0228]; CNES; Programme National Cosmologie et Galaxies
FX Based on observations with the W. M. Keck Observatory, which is operated
as a scientific partnership among the California Institute of
Technology, the University of California, and the National Aeronautics
and Space Administration and made possible by the generous financial
support of the W. M. Keck Foundation; the Spitzer Space Telescope, which
is operated by the Jet Propulsion Laboratory, California Institute of
Technology under a contract with NASA; the Canada-France-Hawaii
Telescope with WIRCam, a joint project of CFHT, Taiwan, Korea, Canada,
France, at the Canada-France-Hawaii Telescope (CFHT) which is operated
by the National Research Council (NRC) of Canada, the Institute National
des Sciences de l'Univers of the Centre National de la Recherche
Scientifique of France, and the University of Hawaii; the United Kingdom
Infrared Telescope operated by the Joint Astronomy Centre on behalf of
the Science and Technology Facilities Council of the U.K; the Subaru
Telescope, which is operated by the National Astronomical Observatory of
Japan; the Canada-France-Hawaii Telescope with MegaPrime/MegaCam
operated as a joint project by the CFHT Corporation, CEA/DAPNIA, the
National Research Council of Canada, the Canadian Astronomy Data Centre,
the Centre National de la Recherche Scientifique de France, TERAPIX and
the University of Hawaii; the NASA/ESA Hubble Space Telescope, obtained
at the Space Telescope Science Institute, which is operated by AURA
Inc., under NASA contract NAS5-26555; the XMM-Newton, an ESA science
mission with instruments and contributions directly funded by ESA Member
States and NASA; the Chandra X-ray Observatory, which is operated by the
Smithsonian Astrophysical Observatory for and on behalf of the National
Aeronautics Space Administration under contract NAS8-03060; the National
Radio Astronomy Observatory which is a facility of the National Science
Foundation operated under cooperative agreement by Associated
Universities, Inc.; the 30 m telescope of the Institute for
Radioastronomy at Millimeter Wavelengths (IRAM), which is funded by the
German Max-Planck-Society, the French CNRS, and the Spanish National
Geographical Institute.; The authors recognize and acknowledge the very
significant cultural role and reverence that the summit of Mauna Kea has
always had within the indigenous Hawaiian community. We are most
fortunate to have the opportunity to conduct observations from this
mountain. Support for this work was provided by the Spitzer Science
Center which is operated by the Jet Propulsion Laboratory (JPL),
California Institute of Technology under NASA contract 1407, NASA
through contract 1278386 issued by the JPL and NASA grant HST-GO-09822.
This work is based in part on observations made with the Spitzer Space
Telescope, which is operated by the Jet Propulsion Laboratory,
California Institute of Technology under a contract with NASA. Support
for this work was provided by NASA through an award issued by
JPL/Caltech. This research has made use of the NASA/IPAC Infrared
Science Archive, which is operated by the Jet Propulsion Laboratory,
California Institute of Technology, under contract with the National
Aeronautics and Space Administration. H.J.M. and J.P.K. acknowledge
support from the French Agene National de la Recheche fund
ANR-07-BLAN-0228 as well as from CNES and the Programme National
Cosmologie et Galaxies. P.C. acknowledges the Keck remote observing
staff who allowed him to simultaneously attend the NIRSPEC observations
and the birth of his daughter.
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SN 0004-637X
EI 1538-4357
J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
PY 2011
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DI 10.1088/0004-637X/730/2/68
PG 12
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900008
ER
PT J
AU Kasliwal, MM
Kulkarni, SR
Arcavi, I
Quimby, RM
Ofek, EO
Nugent, P
Jacobsen, J
Gal-Yam, A
Green, Y
Yaron, O
Fox, DB
Howell, JL
Cenko, SB
Kleiser, I
Bloom, JS
Miller, A
Li, WD
Filippenko, AV
Starr, D
Poznanski, D
Law, NM
Helou, G
Frail, DA
Neill, JD
Forster, K
Martin, DC
Tendulkar, SP
Gehrels, N
Kennea, J
Sullivan, M
Bildsten, L
Dekany, R
Rahmer, G
Hale, D
Smith, R
Zolkower, J
Velur, V
Walters, R
Henning, J
Bui, K
McKenna, D
Blake, C
AF Kasliwal, Mansi M.
Kulkarni, Shri R.
Arcavi, Iair
Quimby, Robert M.
Ofek, Eran O.
Nugent, Peter
Jacobsen, Janet
Gal-Yam, Avishay
Green, Yoav
Yaron, Ofer
Fox, Derek B.
Howell, Jacob L.
Cenko, S. Bradley
Kleiser, Io
Bloom, Joshua S.
Miller, Adam
Li, Weidong
Filippenko, Alexei V.
Starr, Dan
Poznanski, Dovi
Law, Nicholas M.
Helou, George
Frail, Dale A.
Neill, James D.
Forster, Karl
Martin, D. Christopher
Tendulkar, Shriharsh P.
Gehrels, Neil
Kennea, Jamie
Sullivan, Mark
Bildsten, Lars
Dekany, Richard
Rahmer, Gustavo
Hale, David
Smith, Roger
Zolkower, Jeff
Velur, Viswa
Walters, Richard
Henning, John
Bui, Kahnh
McKenna, Dan
Blake, Cullen
TI PTF 10fqs: A LUMINOUS RED NOVA IN THE SPIRAL GALAXY MESSIER 99
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE stars: AGB and post-AGB; stars: mass-loss; supernovae: general;
supernovae: individual (PTF 10fqs); surveys
ID OBSERVATORY SUPERNOVA SEARCH; SN 2008S; OPTICAL TRANSIENT; NEARBY
GALAXIES; NGC 300; TELESCOPE; EVOLUTION; EMISSION; SPITZER; PERFORMANCE
AB The Palomar Transient Factory (PTF) is systematically charting the optical transient and variable sky. A primary science driver of PTF is building a complete inventory of transients in the local universe (distance less than 200 Mpc). Here, we report the discovery of PTF 10fqs, a transient in the luminosity "gap" between novae and supernovae. Located on a spiral arm of Messier 99, PTF 10fqs has a peak luminosity of M-r = -12.3, red color (g - r = 1.0), and is slowly evolving (decayed by 1 mag in 68 days). It has a spectrum dominated by intermediate-width Ha (approximate to 930 km s(-1)) and narrow calcium emission lines. The explosion signature (the light curve and spectra) is overall similar to that of M85 OT2006-1, SN 2008S, and NGC 300 OT. The origin of these events is shrouded in mystery and controversy (and in some cases, in dust). PTF 10fqs shows some evidence of a broad feature (around 8600 angstrom) that may suggest very large velocities (approximate to 10,000 km s(-1)) in this explosion. Ongoing surveys can be expected to find a few such events per year. Sensitive spectroscopy, infrared monitoring, and statistics (e.g., disk versus bulge) will eventually make it possible for astronomers to unravel the nature of these mysterious explosions.
C1 [Kasliwal, Mansi M.; Kulkarni, Shri R.; Quimby, Robert M.; Ofek, Eran O.; Neill, James D.; Forster, Karl; Martin, D. Christopher; Tendulkar, Shriharsh P.] CALTECH, Cahill Ctr Astrophys, Pasadena, CA 91125 USA.
[Arcavi, Iair; Gal-Yam, Avishay; Green, Yoav; Yaron, Ofer] Weizmann Inst Sci, Benoziyo Ctr Astrophys, Fac Phys, IL-76100 Rehovot, Israel.
[Nugent, Peter; Jacobsen, Janet; Poznanski, Dovi] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA.
[Fox, Derek B.; Howell, Jacob L.] Penn State Univ, Eberly Coll Sci, University Pk, PA 16802 USA.
[Cenko, S. Bradley; Kleiser, Io; Bloom, Joshua S.; Miller, Adam; Li, Weidong; Filippenko, Alexei V.; Starr, Dan; Poznanski, Dovi] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Law, Nicholas M.] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada.
[Helou, George] CALTECH, Infrared Proc & Anal Ctr, Pasadena, CA 91125 USA.
[Frail, Dale A.] Natl Radio Astron Observ, Array Operat Ctr, Socorro, NM 87801 USA.
[Gehrels, Neil] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Kennea, Jamie] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[Sullivan, Mark] Univ Oxford, Dept Phys, Oxford OX1 3RH, England.
[Bildsten, Lars] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA.
[Bildsten, Lars] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
[Dekany, Richard; Rahmer, Gustavo; Hale, David; Smith, Roger; Zolkower, Jeff; Velur, Viswa; Walters, Richard; Henning, John; Bui, Kahnh; McKenna, Dan] CALTECH, Caltech Opt Observ, Pasadena, CA 91125 USA.
[Blake, Cullen] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA.
RP Kasliwal, MM (reprint author), CALTECH, Cahill Ctr Astrophys, Pasadena, CA 91125 USA.
RI Gehrels, Neil/D-2971-2012; Green, Yoav/L-5874-2015;
OI Green, Yoav/0000-0002-0809-6575; Sullivan, Mark/0000-0001-9053-4820
FU Gordon and Betty Moore Foundation; Israel Science Foundation; US-Israel
Binational Science Foundation; Weizmann-UK; Marie Curie IRG fellowship;
Peter and Patricia Gruber Award; Benoziyo Center for Astrophysics;
Yeda-Sela center at the Weizmann Institute; National Science Foundation
(NSF) [AST-0908886, PHY 05-51164, AST07-07633]; Sylvia & Jim Katzman
Foundation; Richard & Rhoda Goldman Fund; Gary and Cynthia Bengier;
TABASGO Foundation; NASA through Spitzer [1322321]; Space Telescope
Science Institute [AR-11248]; NASA [NAS 5-26555]; DOE; Einstein
fellowship; Harvard University; University of Virginia; Associated
Universities, Inc.
FX M.M.K. thanks the Gordon and Betty Moore Foundation for a Hale
Fellowship in support of graduate study. The Weizmann Institute PTF
participation is supported in part by the Israel Science Foundation via
grants to A.G.Y. The Weizmann-Caltech collaborative PTF effort is
supported by the US-Israel Binational Science Foundation. A.G.Y. and M.
S. are jointly supported by the "making connections" Weizmann-UK
program. A.G.Y. further acknowledges support by a Marie Curie IRG
fellowship and the Peter and Patricia Gruber Award, as well as funding
by the Benoziyo Center for Astrophysics and the Yeda-Sela center at the
Weizmann Institute. A.V.F.'s group and KAIT are supported by National
Science Foundation (NSF) grant AST-0908886, the Sylvia & Jim Katzman
Foundation, the Richard & Rhoda Goldman Fund, Gary and Cynthia Bengier,
and the TABASGO Foundation; additional funding was provided by NASA
through Spitzer grant 1322321, as well as HST grant AR-11248 from the
Space Telescope Science Institute, which is operated by Associated
Universities for Research in Astronomy, Inc., under NASA contract NAS
5-26555. J.S.B. and his group are partially funded by a DOE SciDAC
grant. E.O.O. and D. P. are supported by the Einstein fellowship. L. B.
is supported by the National Science Foundation under grants PHY
05-51164 and AST07-07633.; The Hobby-Eberly Telescope (HET) is a joint
project of the University of Texas at Austin, the Pennsylvania State
University, Stanford University, Ludwig-Maximillians-Universitat
Munchen, and Georg-August-Universitat Gottingen. The HET is named in
honor of its principal benefactors, William P. Hobby and Robert E.
Eberly. The Marcario LRS is named for Mike Marcario of High Lonesome
Optics, who fabricated several optics for the instrument but died before
its completion; it is a joint project of the Hobby-Eberly Telescope
partnership and the Instituto de Astronomia de la Universidad Nacional
Autonoma de Mexico. GALEX (Galaxy Evolution Explorer) is a NASA Small
Explorer, launched in 2003 April. We gratefully acknowledge NASA's
support for construction, operation, and science analysis for the GALEX
mission, developed in cooperation with the Centre National d'Etudes
Spatiales of France and the Korean Ministry of Science and Technology.
PAIRITEL is operated by the Smithsonian Astrophysical Observatory (SAO)
and was made possible by a grant from the Harvard University Milton
Fund, the camera loan from the University of Virginia, and the continued
support of the SAO and UC Berkeley. The Expanded Very Large Array is
operated by the National Radio Astronomy Observatory, a facility of the
NSF operated under cooperative agreement by Associated Universities,
Inc.
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PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
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DI 10.1088/0004-637X/730/2/134
PG 11
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900074
ER
PT J
AU Kowalski, MP
Barstow, MA
Wood, KS
Yentis, DJ
Fritz, GG
Lapington, JS
Barbee, TW
Berendse, FB
Cruddace, RG
AF Kowalski, M. P.
Barstow, M. A.
Wood, K. S.
Yentis, D. J.
Fritz, G. G.
Lapington, J. S.
Barbee, T. W., Jr.
Berendse, F. B.
Cruddace, R. G.
TI HIGH-RESOLUTION SPECTROSCOPY OF FEIGE 24 IN THE EXTREME-ULTRAVIOLET
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE local interstellar matter; stars: abundances; stars: evolution;
techniques: spectroscopic; ultraviolet: stars; white dwarfs
ID DA WHITE-DWARFS; INTERSTELLAR-MEDIUM; MODEL ATMOSPHERES; BINARY
FEIGE-24; G191-B2B; SPECTROGRAPH; PHOTOSPHERE; FEATURES; STARS
AB We report the first high-resolution (R = 4000) spectroscopic observation of the binary DA white dwarf Feige 24 in the extreme-ultraviolet band 220-250 angstrom. A stellar atmosphere model assuming a homogeneous element distribution yields a best fit to the data that excludes a significant abundance of photospheric helium. The upper limit on the photospheric helium abundance is 2.5 x 10(-6) (90% confidence), equivalent to a lower limit of 1.2 x 10(-13) M-circle dot on the overlying layer of hydrogen. An ionized interstellar He component (3.9 x 10(17) cm(-2)) is clearly present along the line of sight, which implies an He ionization fraction of 0.72, considerably higher than is typical of the local interstellar medium. However, some of this material may be associated with circumstellar gas, which has been detected by analysis of the CIV absorption line doublet in a Hubble Space Telescope/Space Telescope Imaging Spectrograph spectrum.
C1 [Kowalski, M. P.; Wood, K. S.; Yentis, D. J.; Berendse, F. B.; Cruddace, R. G.] USN, Res Lab, Washington, DC 20375 USA.
[Barstow, M. A.; Lapington, J. S.] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England.
[Fritz, G. G.] PRAXIS Inc, Alexandria, VA 22303 USA.
[Barbee, T. W., Jr.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Kowalski, MP (reprint author), USN, Res Lab, Code 7655,4555 Overlook Ave SW, Washington, DC 20375 USA.
EM michael.kowalski@nrl.navy.mil; mab@star.le.ac.uk;
kent.wood@nrl.navy.mil; gil.fritz@nrl.navy.mil; jsl12@star.le.ac.uk;
barbee2@llnl.gov; fbb0710@gmail.com; raymond.cruddace@nrl.navy.mil
RI Lapington, Jon/A-7669-2012
FU NASA [NDPR S-47440F, NNG08WFF08I, NNG10WQ54I]; Office of Naval Research;
Science and Technology Facilities Research Council, UK
FX The Naval Research Laboratory (NRL) was supported in this work by NASA
under the grants NDPR S-47440F, NNG08WFF08I, and NNG10WQ54I, and by the
Office of Naval Research under NRL work unite 3641 (Application of
Multilayer Coated Optics to Remote Sensing). The University of Leicester
acknowledges the support they received for this project from the Science
and Technology Facilities Research Council, UK. The authors collectively
thank the support teams at the Wallops Flight Facility and the White
Sands Missile Range: Lupe Archuleta, Chico Ayers, Bea Barron, John
Brinton, Jeff Cain, Chris Christeson, Walt Costello, Rick Evavold, Ted
Gacek, Becky Grzelachowski, Valeria Gsell, Jose Guerrero, Paul Harmon,
Chris Hoxworth, Dave Kilconyne, Dave Krause, Charlie Kupelian,
LarryMannel, Glenn Maxfield, Jarret Morton, Rick Nelson, Jeff Percival,
Giovanni Rosanova, Neil Shoemaker, Adam Sturis, Matt Vaughn, Ed White,
Tom Widmyer, BobWoods, and John Young. We reserve our highest thanks to
Mission Manager Ted Gass, who guided this mission to a comprehensive
success.
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J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
PY 2011
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DI 10.1088/0004-637X/730/2/115
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WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900055
ER
PT J
AU Miller, AA
Hillenbrand, LA
Covey, KR
Poznanski, D
Silverman, JM
Kleiser, IKW
Rojas-Ayala, B
Muirhead, PS
Cenko, SB
Bloom, JS
Kasliwal, MM
Filippenko, AV
Law, NM
Ofek, EO
Dekany, RG
Rahmer, G
Hale, D
Smith, R
Quimby, RM
Nugent, P
Jacobsen, J
Zolkower, J
Velur, V
Walters, R
Henning, J
Bui, K
McKenna, D
Kulkarni, SR
Klein, CR
Kandrashoff, M
Morton, A
AF Miller, Adam A.
Hillenbrand, Lynne A.
Covey, Kevin R.
Poznanski, Dovi
Silverman, Jeffrey M.
Kleiser, Io K. W.
Rojas-Ayala, Barbara
Muirhead, Philip S.
Cenko, S. Bradley
Bloom, Joshua S.
Kasliwal, Mansi M.
Filippenko, Alexei V.
Law, Nicholas M.
Ofek, Eran O.
Dekany, Richard G.
Rahmer, Gustavo
Hale, David
Smith, Roger
Quimby, Robert M.
Nugent, Peter
Jacobsen, Janet
Zolkower, Jeff
Velur, Viswa
Walters, Richard
Henning, John
Bui, Khanh
McKenna, Dan
Kulkarni, Shrinivas R.
Klein, Christopher R.
Kandrashoff, Michael
Morton, Alekzandir
TI EVIDENCE FOR AN FU ORIONIS-LIKE OUTBURST FROM A CLASSICAL T TAURI STAR
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE stars: formation; stars: individual (LkHa 188-G4, HBC 722); stars:
pre-main sequence; stars: variables: T Tauri, Herbig Ae/Be; stars:
winds, outflows
ID ALL-SKY SURVEY; DATA RELEASE; EX-LUPI; SPECTROSCOPY; EVOLUTION;
VARIABILITY; EXTRACTION; RESOLUTION; VARIABLES; TELESCOPE
AB We present pre- and post-outburst observations of the new FU Orionis-like young stellar object PTF 10qpf (also known as LkH alpha 188-G4 and HBC 722). Prior to this outburst, LkH alpha 188-G4 was classified as a classical T Tauri star (CTTS) on the basis of its optical emission-line spectrum superposed on a K8-type photosphere and its photometric variability. The mid-infrared spectral index of LkH alpha 188-G4 indicates a Class II-type object. LkH alpha 188-G4 exhibited a steady rise by similar to 1 mag over similar to 11 months starting in August 2009, before a subsequent more abrupt rise of >3 mag on a timescale of similar to 2 months. Observations taken during the eruption exhibit the defining characteristics of FU Orionis variables: (1) an increase in brightness by >= 4 mag, (2) a bright optical/near-infrared reflection nebula appeared, (3) optical spectra are consistent with a G supergiant and dominated by absorption lines, the only exception being H alpha which is characterized by a P Cygni profile, (4) near-infrared spectra resemble those of late K-M giants/supergiants with enhanced absorption seen in the molecular bands of CO and H2O, and (5) outflow signatures in H and He are seen in the form of blueshifted absorption profiles. LkH alpha 188-G4 is the first member of the FU Orionis-like class with a well-sampled optical to mid-infrared spectral energy distribution in the pre-outburst phase. The association of the PTF 10qpf outburst with the previously identified CTTS LkH alpha 188-G4 (HBC 722) provides strong evidence that FU Orionis-like eruptions represent periods of enhanced disk accretion and outflow, likely triggered by instabilities in the disk. The early identification of PTF 10qpf as an FU Orionis-like variable will enable detailed photometric and spectroscopic observations during its post-outburst evolution for comparison with other known outbursting objects.
C1 [Miller, Adam A.; Poznanski, Dovi; Silverman, Jeffrey M.; Kleiser, Io K. W.; Cenko, S. Bradley; Bloom, Joshua S.; Filippenko, Alexei V.; Klein, Christopher R.; Kandrashoff, Michael; Morton, Alekzandir] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Hillenbrand, Lynne A.; Kasliwal, Mansi M.; Ofek, Eran O.; Quimby, Robert M.; Kulkarni, Shrinivas R.] CALTECH, Dept Astrophys, Pasadena, CA 91125 USA.
[Covey, Kevin R.; Rojas-Ayala, Barbara; Muirhead, Philip S.] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA.
[Poznanski, Dovi; Nugent, Peter; Jacobsen, Janet] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA.
[Law, Nicholas M.] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada.
[Dekany, Richard G.; Rahmer, Gustavo; Hale, David; Smith, Roger; Zolkower, Jeff; Velur, Viswa; Walters, Richard; Henning, John; Bui, Khanh; McKenna, Dan] CALTECH, Caltech Opt Observ, Pasadena, CA 91125 USA.
RP Miller, AA (reprint author), Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA.
RI Muirhead, Philip/H-2273-2014; Rojas-Ayala, Barbara/G-4382-2015;
OI Muirhead, Philip/0000-0002-0638-8822; Rojas-Ayala,
Barbara/0000-0002-0149-1302; Covey, Kevin/0000-0001-6914-7797
FU NASA; NSF
FX This research has made use of NASA's Astrophysics Data System
Bibliographic Services, the SIMBAD database operated at CDS, Strasbourg,
France, the NASA/IPAC Extragalactic Database operated by the Jet
Propulsion Laboratory, California Institute of Technology, under
contract with NASA, and the VizieR database of astronomical catalogs
(Ochsenbein et al. 2000). This publication makes use of data products
from the Two Micron All Sky Survey, which is a joint project of the
University of Massachusetts and the Infrared Processing and Analysis
Center/California Institute of Technology, funded by NASA and the NSF.
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PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
PY 2011
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IS 2
AR 80
DI 10.1088/0004-637X/730/2/80
PG 14
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900020
ER
PT J
AU Savage, SL
McKenzie, DE
AF Savage, Sabrina L.
McKenzie, David E.
TI QUANTITATIVE EXAMINATION OF A LARGE SAMPLE OF SUPRA-ARCADE DOWNFLOWS IN
ERUPTIVE SOLAR FLARES
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE Sun: corona; Sun: coronal mass ejections (CMEs); Sun: flares; Sun:
magnetic topology; Sun: UV radiation; Sun: X-rays, gamma rays
ID CORONAL MASS EJECTION; FIELD LINE SHRINKAGE; CURRENT SHEET;
MAGNETIC-FIELDS; RECONNECTION; EMISSIONS; MOTIONS; HINODE; MODEL
AB Sunward-flowing voids above post-coronal mass ejection flare arcades were first discovered using the soft X-ray telescope aboard Yohkoh and have since been observed with TRACE (extreme ultraviolet (EUV)), SOHO/LASCO (white light), SOHO/SUMER (EUV spectra), and Hinode/XRT (soft X-rays). Supra-arcade downflow (SAD) observations suggest that they are the cross-sections of thin flux tubes retracting from a reconnection site high in the corona. Supra-arcade downflowing loops (SADLs) have also been observed under similar circumstances and are theorized to be SADs viewed from a perpendicular angle. Although previous studies have focused on dark flows because they are easier to detect and complementary spectral data analysis reveals their magnetic nature, the signal intensity of the flows actually ranges from dark to bright. This implies that newly reconnected coronal loops can contain a range of hot plasma density. Previous studies have presented detailed SAD observations for a small number of flares. In this paper, we present a substantial SADs and SADLs flare catalog. We have applied semiautomatic detection software to several of these events to detect and track individual downflows thereby providing statistically significant samples of parameters such as velocity, acceleration, area, magnetic flux, shrinkage energy, and reconnection rate. We discuss these measurements (particularly the unexpected result of the speeds being an order of magnitude slower than the assumed Alfven speed), how they were obtained, and potential impact on reconnection models.
C1 [Savage, Sabrina L.] Oak Ridge Associated Univ, NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Savage, Sabrina L.; McKenzie, David E.] Montana State Univ, Dept Phys, Bozeman, MT 59717 USA.
RP Savage, SL (reprint author), Oak Ridge Associated Univ, NASA, Goddard Space Flight Ctr, 8800 Greenbelt Rd,Code 671, Greenbelt, MD 20771 USA.
FU NASA [NNM07AB07C]; Harvard-Smithsonian Astrophysical Observatory
FX This work was supported by NASA under contract NNM07AB07C with the
Harvard-Smithsonian Astrophysical Observatory. The authors thank Drs. D.
Longcope, C. Kankelborg, J. Qiu, A. Des Jardins, and the anonymous
referee for constructive conversations and comments. Hinode is a
Japanese mission developed and launched by ISAS/JAXA, with NAOJ as
domestic partner and NASA and STFC (UK) as international partners. It is
operated by these agencies in cooperation with ESA and NSC (Norway).
Yohkoh data are provided courtesy of the NASA-supported Yohkoh Legacy
Archive at Montana State University.
NR 18
TC 36
Z9 37
U1 1
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD APR 1
PY 2011
VL 730
IS 2
AR 98
DI 10.1088/0004-637X/730/2/98
PG 16
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 735TR
UT WOS:000288441900038
ER
PT J
AU Dorcas, ME
Willson, JD
Gibbons, JW
AF Dorcas, Michael E.
Willson, John D.
Gibbons, J. Whitfield
TI Can invasive Burmese pythons inhabit temperate regions of the
southeastern United States?
SO BIOLOGICAL INVASIONS
LA English
DT Article
DE Everglades National Park; Invasive alien species; Python molurus
bivittatus; Range expansion; Risk assessment; Thermal biology
ID DROSOPHILA-MELANOGASTER; PLASTICITY; ECTOTHERMS; SELECTION; CLINES
AB Understanding potential for range expansion is critical when evaluating the risk posed by invasive species. Burmese pythons (Python molurus bivittatus) are established in southern Florida and pose a significant threat to native ecosystems. Recent studies indicate that climate suitable for the species P. molurus exists throughout much of the southern United States. We examined survivorship, thermal biology, and behavior of Burmese pythons from South Florida in a semi-natural enclosure in South Carolina, where winters are appreciably cooler than in Florida, but within the predicted region of suitable climate. All pythons acclimated to the enclosure, but most died after failing to seek appropriate refugia during sub-freezing weather. The remaining snakes used refugia but died during an unusually cold period in January 2010. Although all snakes died during the study, most survived extended periods at temperatures below those typical of southern Florida and none exhibited obvious signs of disease. Our study represents a first step in evaluating the results of climate matching models and we address factors that may affect range expansion in this invasive species.
C1 [Dorcas, Michael E.] Davidson Coll, Dept Biol, Davidson, NC 28035 USA.
[Willson, John D.; Gibbons, J. Whitfield] Savannah River Ecol Lab, Aiken, SC 29802 USA.
RP Dorcas, ME (reprint author), Davidson Coll, Dept Biol, Davidson, NC 28035 USA.
EM midorcas@davidson.edu
FU US Dept. of Energy [DE-FC-09-075R22506]; Davidson College Department of
Biology; Duke Power
FX We thank R. Bauer and S. Poppy for assisting with many aspects of the
study and helping to track snakes. For assistance with various project
logistics and advice, we thank K. Andrews, M. Cherkiss, B. DeGregorio,
J. Greene, C. Hagen, K. Hart, E. Kabela, F. Mazzotti, T. Mills, S.
Pfaff, M. Pilgrim, M. Rochford, S. Snow, T. Tuberville, A. Tucker, T.
Walters, and A. Wolfe. R. Snow provided and transported animals. We
especially thank R. McManamon and B. Ritchie from the Univ. of Georgia
School of Veterinary Medicine who conducted necropsies. E. Eskew
assisted with calibrating dataloggers. S. Foley assisted with data
analysis. E. Eskew, S. Price, K. Hart, R. Reed, R. Snow, and two
anonymous reviewers all provided comments on the manuscript. All
procedures used in the study were approved by the University of Georgia
Animal Care and Use Committee (no. A2009 2-041). Pythons were collected
under scientific collecting permit #EVER-2009-SCI-0001 issued by the
NPS. This material is based upon work supported by the US Dept. of
Energy under Award Number DE-FC-09-075R22506 to the University of
Georgia's Savannah River Ecology Lab. Partial funding was provided by
the Davidson College Department of Biology and Duke Power.
NR 32
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Z9 13
U1 4
U2 127
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1387-3547
J9 BIOL INVASIONS
JI Biol. Invasions
PD APR
PY 2011
VL 13
IS 4
BP 793
EP 802
DI 10.1007/s10530-010-9869-6
PG 10
WC Biodiversity Conservation; Ecology
SC Biodiversity & Conservation; Environmental Sciences & Ecology
GA 735VK
UT WOS:000288448400001
ER
PT J
AU Yuan, F
Stock, SR
Haeffner, DR
Almer, JD
Dunand, DC
Brinson, LC
AF Yuan, Fang
Stock, Stuart R.
Haeffner, Dean R.
Almer, Jonathan D.
Dunand, David C.
Brinson, L. Catherine
TI A new model to simulate the elastic properties of mineralized collagen
fibril
SO BIOMECHANICS AND MODELING IN MECHANOBIOLOGY
LA English
DT Article
DE Bone; Collagen fibril; Modeling; Finite element analysis;
Structure-property relationship
ID MECHANICAL-PROPERTIES; VISCOELASTIC PROPERTIES; TRABECULAR BONE;
CORTICAL BONE; I COLLAGEN; NANOSCALE; TENDON; SITU; AGE; HYDROXYAPATITE
AB Bone, because of its hierarchical composite structure, exhibits an excellent combination of stiffness and toughness, which is due substantially to the structural order and deformation at the smaller length scales. Here, we focus on the mineralized collagen fibril, consisting of hydroxyapatite plates with nanometric dimensions aligned within a protein matrix, and emphasize the relationship between the structure and elastic properties of a mineralized collagen fibril. We create two- and three-dimensional representative volume elements to represent the structure of the fibril and evaluate the importance of the parameters defining its structure and properties of the constituent mineral and collagen phase. Elastic stiffnesses are calculated by the finite element method and compared with experimental data obtained by synchrotron X-ray diffraction. The computational results match the experimental data well, and provide insight into the role of the phases and morphology on the elastic deformation characteristics. Also, the effects of water, imperfections in the mineral phase and mineral content outside the mineralized collagen fibril upon its elastic properties are discussed.
C1 [Brinson, L. Catherine] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
[Yuan, Fang; Dunand, David C.; Brinson, L. Catherine] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
[Stock, Stuart R.] Northwestern Univ, Dept Mol Pharmacol & Biol Chem, Chicago, IL 60611 USA.
[Haeffner, Dean R.; Almer, Jonathan D.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Brinson, LC (reprint author), Northwestern Univ, Dept Mech Engn, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM cbrinson@northwestern.edu
RI Brinson, L. Catherine/B-6678-2009; Dunand, David/B-7515-2009; Brinson, L
Catherine/B-1315-2013;
OI Brinson, L Catherine/0000-0003-2551-1563; Dunand,
David/0000-0001-5476-7379
FU U. S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]
FX We thank Ms. A. C. Deymier-Black for assistance with TGA measurement. We
also thank Ms. A. Singhal and Ms. A. C. Deymier-Black for their
invaluable assistance and discussions about the structure and mechanical
properties of the mineralized collagen fibril. This study is financially
supported by the U. S. Department of Energy, Office of Science, Office
of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
NR 59
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U1 3
U2 17
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1617-7959
EI 1617-7940
J9 BIOMECH MODEL MECHAN
JI Biomech. Model. Mechanobiol.
PD APR
PY 2011
VL 10
IS 2
BP 147
EP 160
DI 10.1007/s10237-010-0223-9
PG 14
WC Biophysics; Engineering, Biomedical
SC Biophysics; Engineering
GA 740LU
UT WOS:000288796900001
PM 20521160
ER
PT J
AU Harris, DB
Dodge, DA
AF Harris, D. B.
Dodge, D. A.
TI An Autonomous System for Grouping Events in a Developing Aftershock
Sequence
SO BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA
LA English
DT Article
ID WAVE-FORM CORRELATION; CROSS-CORRELATION; SEISMIC EVENTS; SAN-SIMEON;
CALIFORNIA; EARTHQUAKE; PARKFIELD; COMPLEX; FAULT
AB We describe a prototype detection framework that automatically clusters events in real time from a rapidly unfolding aftershock sequence. We use the fact that many aftershocks are repetitive, producing similar waveforms. By clustering events based on correlation measures of waveform similarity, the number of independent event instances that must be examined in detail by analysts may be reduced. Our system processes array data and acquires waveform templates with a short-term average (STA)/long-term average (LTA) detector operating on a beam directed at the P phases of the aftershock sequence. The templates are used to create correlation-type (subspace) detectors that sweep the subsequent data stream for occurrences of the same waveform pattern. Events are clustered by association with a particular detector. Hundreds of subspace detectors can run in this framework a hundred times faster than in real time. Nonetheless, to check the growth in the number of detectors, the framework pauses periodically and reclusters detections to reduce the number of event groups. These groups define new subspace detectors that replace the older generation of detectors. Because low-magnitude occurrences of a particular signal template may be missed by the STA/LTA detector, we advocate restarting the framework from the beginning of the sequence periodically to reprocess the entire data stream with the existing detectors.
We tested the framework on 10 days of data from the Nevada Seismic Array (NVAR) covering the 2003 San Simeon earthquake. One hundred eighty-four automatically generated detectors produced 676 detections resulting in a potential reduction in analyst workload of up to 73%.
C1 [Harris, D. B.; Dodge, D. A.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Harris, DB (reprint author), Deschutes Signal Proc LLC, 81211 E Wapinitia Rd, Maupin, OR 97037 USA.
EM dodge1@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 19
TC 19
Z9 21
U1 1
U2 7
PU SEISMOLOGICAL SOC AMER
PI EL CERRITO
PA PLAZA PROFESSIONAL BLDG, SUITE 201, EL CERRITO, CA 94530 USA
SN 0037-1106
J9 B SEISMOL SOC AM
JI Bull. Seismol. Soc. Amer.
PD APR
PY 2011
VL 101
IS 2
BP 763
EP 774
DI 10.1785/0120100103
PG 12
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 738NR
UT WOS:000288647000023
ER
PT J
AU Brown, WM
Wang, P
Plimpton, SJ
Tharrington, AN
AF Brown, W. Michael
Wang, Peng
Plimpton, Steven J.
Tharrington, Arnold N.
TI Implementing molecular dynamics on hybrid high performance computers -
short range forces
SO COMPUTER PHYSICS COMMUNICATIONS
LA English
DT Article
DE Molecular dynamics; GPU; Hybrid parallel computing
ID GRAPHICS PROCESSING UNITS; SIMULATIONS; EFFICIENT; ACCELERATOR;
ALGORITHMS; SCALE
AB The use of accelerators such as graphics processing units (GPUs) has become popular in scientific computing applications due to their low cost, impressive floating-point capabilities, high memory bandwidth, and low electrical power requirements. Hybrid high-performance computers, machines with more than one type of floating-point processor, are now becoming more prevalent due to these advantages. In this work, we discuss several important issues in porting a large molecular dynamics code for use on parallel hybrid machines - (1) choosing a hybrid parallel decomposition that works on central processing units (CPUs) with distributed memory and accelerator cores with shared memory, (2) minimizing the amount of code that must be ported for efficient acceleration, (3) utilizing the available processing power from both multi-core CPUs and accelerators, and (4) choosing a programming model for acceleration. We present our solution to each of these issues for short-range force calculation in the molecular dynamics package LAMMPS, however, the methods can be applied in many molecular dynamics codes. Specifically, we describe algorithms for efficient short range force calculation on hybrid high-performance machines. We describe an approach for dynamic load balancing of work between CPU and accelerator cores. We describe the Geryon library that allows a single code to compile with both CUDA and OpenCL for use on a variety of accelerators. Finally, we present results on a parallel test cluster containing 32 Fermi GPUs and 180 CPU cores. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Brown, W. Michael; Tharrington, Arnold N.] Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37831 USA.
[Wang, Peng] NVIDIA, Santa Clara, CA USA.
[Plimpton, Steven J.] Sandia Natl Labs, Albuquerque, NM USA.
RP Brown, WM (reprint author), Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37831 USA.
EM brownw@ornl.gov; penwang@nvidia.com; sjplimp@sandia.gov;
arnoldt@ornl.gov
FU Office of Advanced Scientific Computing Research, Office of Science,
U.S. Department of Energy [DE-AC05-00OR22725]; Office of Science of the
U.S. Department of Energy [DE-AC05-000R22725]; U.S. Department of Energy
[DE-AC04-94AL85000]; CSRF program at Sandia National Laboratories
FX This research was conducted in part under the auspices of the Office of
Advanced Scientific Computing Research, Office of Science, U.S.
Department of Energy under Contract No. DE-AC05-00OR22725 with
UT-Battelle, LLC. This research used resources of the Leadership
Computing Facility at 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 with UT-Battelle, LLC. 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. Sandia is a multipurpose laboratory
operated by Sandia Corporation, a Lockheed-Martin Co., for the U.S.
Department of Energy under Contract No. DE-AC04-94AL85000. Support for
this work was provided by the CSRF program at Sandia National
Laboratories.
NR 34
TC 105
Z9 107
U1 8
U2 47
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0010-4655
J9 COMPUT PHYS COMMUN
JI Comput. Phys. Commun.
PD APR
PY 2011
VL 182
IS 4
BP 898
EP 911
DI 10.1016/j.cpc.2010.12.021
PG 14
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 735HH
UT WOS:000288404300005
ER
PT J
AU Labbe, J
Murat, C
Morin, E
Le Tacon, F
Martin, F
AF Labbe, Jessy
Murat, Claude
Morin, Emmanuelle
Le Tacon, Francois
Martin, Francis
TI Survey and analysis of simple sequence repeats in the Laccaria bicolor
genome, with development of microsatellite markers
SO CURRENT GENETICS
LA English
DT Article
DE Simple sequence repeat; Microsatellites; Laccaria bicolor;
Ectomycorrhizal fungus
ID FUNGAL GENOMES; DOUGLAS-FIR; EVOLUTION; INSIGHTS; STRAIN; TRANSCRIPTION;
PERSISTENCE; MECHANISMS; EXPANSION; SYMBIOSIS
AB It is becoming clear that simple sequence repeats (SSRs) play a significant role in fungal genome organization, and they are a large source of genetic markers for population genetics and meiotic maps. We identified SSRs in the Laccaria bicolor genome by in silico survey and analyzed their distribution in the different genomic regions. We also compared the abundance and distribution of SSRs in L. bicolor with those of the following fungal genomes: Phanerochaete chrysosporium, Coprinopsis cinerea, Ustilago maydis, Cryptococcus neoformans, Aspergillus nidulans, Magnaporthe grisea, Neurospora crassa and Saccharomyces cerevisiae. Using the MISA computer program, we detected 277,062 SSRs in the L. bicolor genome representing 8% of the assembled genomic sequence. Among the analyzed basidiomycetes, L. bicolor exhibited the highest SSR density although no correlation between relative abundance and the genome sizes was observed. In most genomes the short motifs (mono- to trinucleotides) were more abundant than the longer repeated SSRs. Generally, in each organism, the occurrence, relative abundance, and relative density of SSRs decreased as the repeat unit increased. Furthermore, each organism had its own common and longest SSRs. In the L. bicolor genome, most of the SSRs were located in intergenic regions (73.3%) and the highest SSR density was observed in transposable elements (TEs; 6,706 SSRs/Mb). However, 81% of the protein-coding genes contained SSRs in their exons, suggesting that SSR polymorphism may alter gene phenotypes. Within a L. bicolor offspring, sequence polymorphism of 78 SSRs was mainly detected in non-TE intergenic regions. Unlike previously developed microsatellite markers, these new ones are spread throughout the genome; these markers could have immediate applications in population genetics.
C1 [Labbe, Jessy; Murat, Claude; Morin, Emmanuelle; Le Tacon, Francois; Martin, Francis] Nancy Univ, INRA Nancy, INRA, UMR 1136, F-54280 Champenoux, France.
RP Labbe, J (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd,MS-6034,Bldg 1506, Oak Ridge, TN 37831 USA.
EM labbejj@ornl.gov
RI Labbe, Jessy/G-9532-2011
OI Labbe, Jessy/0000-0003-0368-2054
FU European Commission within the Network of Excellence EVOLTREE [016322];
INRA; Region Lorraine Council; Region Lorraine of France; Institut
Federateur [110]
FX This work was supported by the European Commission within the Network of
Excellence EVOLTREE (FP6-016322), INRA and Region Lorraine Council
grants (project FOR-BOIS to FM). Dr. Labbe was supported by a Ph.D.
scholarship from the Region Lorraine of France. We would like to thank
Dr. Benoit Barres, Dr. Pascal Frey, Axelle Andrieux and Christine
Delaruelle (UMR IaM) for their assistance and helpful discussions, and
Em Turner Chitty for the English proofreading. The INRA DNA sequencing
facilities are funded by the Region Lorraine Council and the Institut
Federateur 110.
NR 48
TC 21
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U1 1
U2 13
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0172-8083
EI 1432-0983
J9 CURR GENET
JI Curr. Genet.
PD APR
PY 2011
VL 57
IS 2
BP 75
EP 88
DI 10.1007/s00294-010-0328-9
PG 14
WC Genetics & Heredity
SC Genetics & Heredity
GA 736RK
UT WOS:000288511600001
PM 21132299
ER
PT J
AU Quiros-Alcala, L
Bradman, A
Nishioka, M
Harnly, ME
Hubbard, A
McKone, TE
Eskenazi, B
AF Quiros-Alcala, Lesliam
Bradman, Asa
Nishioka, Marcia
Harnly, Martha E.
Hubbard, Alan
McKone, Thomas E.
Eskenazi, Brenda
TI Concentrations and loadings of polybrominated diphenyl ethers in dust
from low-income households in California
SO ENVIRONMENT INTERNATIONAL
LA English
DT Article
DE House dust; Polybrominated diphenyl ethers (PBDEs); Children; Low-income
ID PBDE FLAME RETARDANTS; INDOOR DUST; EXPOSURE; CANADA
AB California residents may experience the highest polybrominated diphenyl ether (PBDE) flame retardant exposures in the United States, the nation with the highest body burdens worldwide. It is hypothesized that Californians' high exposures are due to the state's strict furniture flammability standards. Ingestion of PBDE-contaminated dust, to which children may be particularly susceptible, is a dominant exposure pathway. Low-income populations may also face disparately high exposures due to the presence of older, deteriorated or poorly manufactured furniture treated with PBDEs. We collected up to two dust samples per home (54 samples total), several days apart, from low-income California households in the urban community of Oakland (n = 13 homes) and the agricultural community of Salinas (n = 15 homes). We measured BDE-47, BDE-99 and BDE-100, the major constituents of the penta-PBDE flame retardant formulation commonly used in furniture. All three PBDE congeners were detected in every sample with concentrations (loadings) ranging from 185 to 126,000 ng/g (621-264,000 ng/m(2)), 367-220,000 ng/g (1550-457,000 ng/m(2)), and 84-41.100 ng/g (257-85,700 ng/m(2)) for BDE-47, BDE-99 and BDE-100, respectively. Median concentrations (loadings) observed in Salinas homes for BDE-47, BDE-99 and BDE-100 were 3100 ng/g (10,800 ng/m(2)), 5480 ng/g (19,500 ng/m(2)). and 1060 ng/g (3810 ng/m(2)), respectively, and in Oakland homes 2780 ng/g (10,700 ng/m(2)), 4450 ng/g (19,100 ng/m(2)), and 1050 ng/g (4000 ng/m(2)), respectively. Maximum concentrations for BDE-47 and BDE-99 are the highest reported to date. Indoor concentrations and loadings did not significantly differ between communities; concentrations and loadings were strongly correlated between collections for all three congeners (Spearman rho = 0.79-0.97, p<0.002). We estimated non-dietary ingestion of each congener for one child in each home (n = 28 children) and found that estimated intake for BDE-47 and BDE-99 exceeded the U.S. Environmental Protection Agency's recommended chronic reference dose for three and five children, respectively. Children's estimated intake via dust ranged from 1.0 to 599 ng/kg/day, 2.0-1065 ng/kg/day and 0.5-196 ng/kg/day for BDE-47, BDE-99 and BDE-100, respectively. In order to mitigate these exposures, future research must address the factors that contribute to PBDE exposures in low-income homes. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Quiros-Alcala, Lesliam; Bradman, Asa; McKone, Thomas E.; Eskenazi, Brenda] Univ Calif Berkeley, Sch Publ Hlth, CERCH, Berkeley, CA 94704 USA.
[Nishioka, Marcia] Battelle Mem Inst, Columbus, OH 43201 USA.
[Harnly, Martha E.] Calif Dept Publ Hlth, Environm Hlth Invest Branch, Richmond, CA 94804 USA.
[Hubbard, Alan] Univ Calif Berkeley, Sch Publ Hlth, Div Biostat, Berkeley, CA 94720 USA.
[McKone, Thomas E.] Lawrence Berkeley Lab, Berkeley, CA 95720 USA.
RP Bradman, A (reprint author), Univ Calif Berkeley, Sch Publ Hlth, CERCH, 1995 Univ Ave,Suite 265, Berkeley, CA 94704 USA.
EM abradman@berkeley.edu
RI Quiros-Alcala, Lesliam /Q-4928-2016
OI Quiros-Alcala, Lesliam /0000-0002-6600-7227
FU EPA [RD 83171001, F5D30812]; NIEHS [PO1ES009605]; UC MEXUS; UC Berkeley
Center for Latino Policy Research
FX Work was supported by EPA (RD 83171001, Science to Achieve
Results-STAR-Graduate Fellowship Program F5D30812), NIEHS (PO1ES009605),
UC MEXUS, and the UC Berkeley Center for Latino Policy Research.
Contents do not necessarily represent the official views of funders. We
thank our staff and community partners for helping with recruitment
efforts, our study participants, and Katherine Kogut, Drs. Rupali Das,
Katharine Hammond, Mark Nicas, and Rosana Weldon for editorial comments.
NR 34
TC 22
Z9 22
U1 4
U2 30
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0160-4120
J9 ENVIRON INT
JI Environ. Int.
PD APR
PY 2011
VL 37
IS 3
BP 592
EP 596
DI 10.1016/j.envint.2010.12.003
PG 5
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 736HH
UT WOS:000288481200006
PM 21239062
ER
PT J
AU Dupouy, G
Bonhoure, I
Conradson, SD
Dumas, T
Hennig, C
Le Naour, C
Moisy, P
Petit, S
Scheinost, AC
Simoni, E
Den Auwer, C
AF Dupouy, Gaelle
Bonhoure, Isabelle
Conradson, Steven D.
Dumas, Thomas
Hennig, Christoph
Le Naour, Claire
Moisy, Philippe
Petit, Sebastien
Scheinost, Andreas C.
Simoni, Eric
Den Auwer, Christophe
TI Local Structure in Americium and Californium Hexacyanoferrates -
Comparison with Their Lanthanide Analogues
SO EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
LA English
DT Article
DE Actinides; Americium; Californium; X-ray absorption spectroscopy; EXAFS
spectroscopy
ID RAY-ABSORPTION SPECTROSCOPY; BRIDGED COMPLEXES; AQUEOUS-SOLUTION;
FINE-STRUCTURE; IONIC-RADII; SOLID-STATE; AQUA ION; DIFFRACTION;
FERROCYANIDE; CRYSTALLINE
AB Metal hexacyanoferrates are well known molecular solids for a large variety of cations, although very little has been described for actinide adducts. Two new members of actinide(III) hexacyanoferrates were synthesized with the cations americium and californium. They were structurally characterized by infrared and X-ray absorption spectroscopy. Combined EXAFS data at the iron K edge and actinide L-3 edge provide evidence for a three-dimensional model for these two new compounds. Structural data in terms of bond lengths were compared to those reported for the parent lanthanide( III) compounds, neodymium and gadolinium hexacyanoferrates, respectively: the americium compound with (KNdFeII)-Fe-III(CN)6 center dot 4H(2)O and the californium compound with (KGdFeII)-Fe-III(CN)6 center dot 3.5H(2)O and (KGdFeII)-Fe-III(CN)(6)center dot 3H(2)O. This comparison between actinide and lanthanide homologues has been carried out on the basis of ionic radii considerations. The americium and neodymium environments appear to be very similar and are arranged in a tricapped trigonal prism polyhedron of coordination number 9 (CN: 9), in which the americium atom is bonded to six nitrogen atoms and to three water molecules. For the californium adduct, a similar comparison and bond length and angle values derived from EXAFS studies suggest that the californium cation sits in a bicapped trigonal prism (CN: 8) as in (KGdFeII)-Fe-III(CN)(6)center dot 3H(2)O. This arrangement differs from that in the structure of (KGdFeII)-Fe-III(CN)(6)center dot 3.5H(2)O, in which the gadolinium atom is surrounded by 9 atoms. This is one of the rare pieces of information revealed by EXAFS spectroscopy for americium and californium in comparison to lanthanide atoms in molecular solid compounds. A discussion on the decrease in bond length and coordination number from americium to californium is also provided, on the basis of crystallographic results reported in the literature for actinide(III) and lanthanide(III) hydrate series.
C1 [Dupouy, Gaelle; Bonhoure, Isabelle; Dumas, Thomas; Moisy, Philippe; Petit, Sebastien; Den Auwer, Christophe] CEA, Nucl Energy Div, RadioChem & Proc Dept, F-30207 Bagnols Sur Ceze, France.
[Conradson, Steven D.] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
[Hennig, Christoph; Scheinost, Andreas C.] Forschungszentrum Dresden Rossendorf, D-01314 Dresden, Germany.
[Le Naour, Claire; Simoni, Eric] Univ Paris 11, IPN Orsay, F-91405 Orsay, France.
RP Den Auwer, C (reprint author), CEA, Nucl Energy Div, RadioChem & Proc Dept, F-30207 Bagnols Sur Ceze, France.
EM christophe.denauwer@cea.fr
RI dumas, thomas/B-5950-2016; Moisy, Philippe/H-2477-2015; Scheinost,
Andreas/D-2275-2010; The Rossendorf Beamline at ESRF, ROBL/A-2586-2011
OI dumas, thomas/0000-0001-6425-6484; Moisy, Philippe/0000-0002-9331-0846;
FU Groupement National de Recherche, PARIS, France; European Community
FX Support for this research was provided by the CEA, Nuclear Energy
Division, Basic Research Program (RBPCH) of the Groupement National de
Recherche, PARIS, France and the International Research Staff Exchange
Scheme (HEXANE project) of the European Community. XAS measurements were
carried out at ESRF/ROBL, a European synchrotron user facility, at
SSRL/11-2, a national user facility operated by Stanford University on
behalf of the U.S. Department of Energy, Office of Basic Energy
Sciences, and at SOLEIL/SAMBA, a French national user facility. The
authors would like to thank Valerie Briois, Stephanie Belin, and
Emiliano Fonda (SOLEIL/SAMBA) for their help. They also would like to
acknowledge Lester R. Morss for the former loan of 249Cf
through the heavy isotopes production program of the U.S. Department of
Energy.
NR 50
TC 10
Z9 10
U1 6
U2 31
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA POSTFACH 101161, 69451 WEINHEIM, GERMANY
SN 1434-1948
EI 1099-0682
J9 EUR J INORG CHEM
JI Eur. J. Inorg. Chem.
PD APR
PY 2011
IS 10
BP 1560
EP 1569
DI 10.1002/ejic.201001004
PG 10
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 741HP
UT WOS:000288855100007
ER
PT J
AU Murphy, MJ
Adrian, RJ
AF Murphy, Michael J.
Adrian, Ronald J.
TI PIV through moving shocks with refracting curvature
SO EXPERIMENTS IN FLUIDS
LA English
DT Article; Proceedings Paper
CT 8th International Symposium on Particle Image Velocimetry (PIV 09)
CY AUG 25-28, 2009
CL Monash Univ, Melbourne, AUSTRALIA
HO Monash Univ
ID PLANAR VELOCITY-MEASUREMENTS; OPTICAL DISTORTION; BLAST WAVES;
INTERFEROMETER; VELOCIMETRY; LAYERS
AB Particle image velocimetry (PIV) is applied to moving millimeter shock waves whose density jump and small radii of curvature make refraction significant. The motion of the shock front is also much larger than the motion of the corresponding mass at the front. A Lagrangian model of particle displacement in response to a moving shock is developed to investigate the relationship between particle displacements and the actual mass velocity behind the shock. Errors in PIV measurements due to light refraction across a curved, moving shock are investigated in terms of both position and velocity errors using a refraction model developed from geometrical optics. The model is experimentally validated and applied to 1-D slices of data extracted from PIV vector fields, and the resulting measurement errors are quantified.
C1 [Murphy, Michael J.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Adrian, Ronald J.] Arizona State Univ, Lab Energet Flow & Turbulence, Sch Mech Aerosp Chem & Mat Engn, Tempe, AZ 85287 USA.
RP Murphy, MJ (reprint author), Los Alamos Natl Lab, W-6 Detonator Technol,MS P950, Los Alamos, NM 87545 USA.
EM mjmurphy@lanl.gov
NR 25
TC 7
Z9 7
U1 1
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0723-4864
J9 EXP FLUIDS
JI Exp. Fluids
PD APR
PY 2011
VL 50
IS 4
SI SI
BP 847
EP 862
DI 10.1007/s00348-010-0934-9
PG 16
WC Engineering, Mechanical; Mechanics
SC Engineering; Mechanics
GA 740OD
UT WOS:000288803300008
ER
PT J
AU Reith, F
Etschmann, B
Dart, RC
Brewe, DL
Vogt, S
Mumm, AS
Brugger, J
AF Reith, Frank
Etschmann, Barbara
Dart, Robert C.
Brewe, Dale L.
Vogt, Stefan
Mumm, Andreas Schmidt
Brugger, Joel
TI Distribution and speciation of gold in biogenic and abiogenic calcium
carbonates - Implications for the formation of gold anomalous calcrete
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID SOUTH-AUSTRALIA; NUCLEAR MICROPROBE; GAWLER CRATON; X-RAY;
PRECIPITATION; SOIL; BACTERIA; PIXE; RHIZOSPHERE; MECHANISMS
AB Calcrete (pedogenic Ca carbonate) is an important sampling medium for geochemical gold (Au) exploration in semi-arid and arid regions of Australia, because it is widespread, easy to sample and calcium (Ca) shows a strong positive correlation with Au, but not with base metals, in calcrete overlying buried Au mineralization. In this study we show that the formation of Au-anomalous calcrete can be biomediated through the activity of resident microorganisms, and may not simply be the result of passive nucleation on inactive cells or evapotransporative processes. Calcified microfossils are highly abundant in calcrete from the Barns Au-prospect in South Australia. These microfossils are morphological analogues of calcified cells and biofilms formed in laboratory experiments conducted with active bacterial cultures enriched from Au-anomalous calcareous sand from the Barns prospect. Calcium carbonates precipitated by these cultures consisted mostly of calcite, which is the main carbonate mineral in calcrete. Synchrotron micro-X-ray fluorescence (S-mu XRF) mapping was used to assess the distribution of Au, Zn, Ca and other metals in Ca carbonates precipitated by active bacterial cultures. On a gm-scale the distribution of Au was heterogeneous in these Ca carbonates and differed from base metal distribution, thus mimicking the spatial separation of these metals observed in calcrete. The speciation of Au in Ca carbonates precipitated by active bacteria was measured using micro-X-ray absorption near edge structure spectroscopy (mu-XANES) and resembled that observed in Au-anomalous calcrete closely. While metallic Au was observed in Au 'hotpots', ionic Au was detected in the halo surrounding the 'hotspot'. In contrast, the precipitates produced in the presence of dead bacterial cells or by raising solution pH or pCO(2), i.e., hydroxylapatite, portlandite and vaterite, respectively, did not reflect the mineralogy of calcrete. Gold distribution and speciation in vaterite, formed by raising pCO(2), were homogenous and did not reproduce the variation observed in calcrete and Ca carbonates precipitated by active cells. Increasing the supersaturation with respect to Ca in solution by incremental drying of the medium produced only X-ray amorphous precipitates, or hydroxylapatite in the presence heat-killed cells. In conclusion, this study shows that active microbial processes that combine biogenic Ca carbonatogenesis with Au precipitation are likely to drive the formation of Au-anomalous calcrete. Crown copyright (C) 2011 Published by Elsevier Ltd. All rights reserved.
C1 [Reith, Frank] CSIRO Land & Water, Environm Biogeochem, Glen Osmond, SA 5064, Australia.
[Reith, Frank; Etschmann, Barbara; Dart, Robert C.; Mumm, Andreas Schmidt; Brugger, Joel] Univ Adelaide, Sch Earth & Environm Sci, Ctr Tecton Resources & Mineral Explorat TRaX, Adelaide, SA 5005, Australia.
[Brewe, Dale L.; Vogt, Stefan] Argonne Natl Lab, APS, Argonne, IL 60439 USA.
[Brugger, Joel] S Australian Museum, Adelaide, SA 5000, Australia.
RP Reith, F (reprint author), CSIRO Land & Water, Environm Biogeochem, PMB2, Glen Osmond, SA 5064, Australia.
EM Frank.Reith@csiro.au
RI Reith, Frank/E-5542-2011; Etschmann, Barbara/H-7731-2012; Vogt,
Stefan/B-9547-2009; Vogt, Stefan/J-7937-2013; Brugger, Joel/C-7113-2008
OI Vogt, Stefan/0000-0002-8034-5513; Vogt, Stefan/0000-0002-8034-5513;
Brugger, Joel/0000-0003-1510-5764
FU Advanced Photon Source (APS); Australian Synchrotron (AS) for provision
of beamtime; Australian Research Council (ARC); Australian Synchrotron
Research Funding Schemes; US Department of Energy, Office of Science,
Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX The authors acknowledge the following individuals and institutions for
their contributions: Advanced Photon Source (APS), and the Australian
Synchrotron (AS) for provision of beamtime, the Australian Research
Council (ARC) and the Australian Synchrotron Research Funding Schemes
for funding this project; CSIRO Land and Water for the use of the
microbial ecology laboratory; L. Green and A. Netting at Adelaide
Microscopy for their assistance with the (FIB)-SEM and LA-ICP-MS. Use of
the APS was supported by the US Department of Energy, Office of Science,
Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
This forms TRaX Record 138.
NR 58
TC 12
Z9 12
U1 1
U2 10
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD APR 1
PY 2011
VL 75
IS 7
BP 1942
EP 1956
DI 10.1016/j.gca.2011.01.014
PG 15
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 737TD
UT WOS:000288590200018
ER
PT J
AU Tian, XB
Zhang, JL
Si, SK
Wang, JB
Chen, Y
Zhang, ZJ
AF Tian, Xiaobo
Zhang, Jianli
Si, Shaokun
Wang, Jingbo
Chen, Yun
Zhang, Zhongjie
TI SKS splitting measurements with horizontal component misalignment
SO GEOPHYSICAL JOURNAL INTERNATIONAL
LA English
DT Article
DE Broad-band seismometers; Body waves; Seismic anisotropy; Computational
seismology
ID MANTLE FLOW BENEATH; SEISMIC ANISOTROPY; CHINA MAINLAND; WAVE;
DEFORMATION; STATIONS; EARTH; ZONE
AB The measurement of SKS splitting parameters is widely used for the study of deformation in the upper mantle, but the misalignment of the station horizontal components, for example misorientation of the sensors, may result in false measurements. In this paper, we suggest that the splitting analysis should be repeated with different assumed angles of misalignment. Two criteria can be applied to correct the measurement of the SKS splitting parameters: (1) the horizontal rotating angle should produce the global minimum transverse energy, as determined using the least transverse energy method; (2) there should be consistent results between the least transverse energy method and the minimum eigenvalue method. Model tests show that the method is suitable for complex anisotropy models, such as two-layer anisotropy.
C1 [Tian, Xiaobo; Zhang, Jianli; Si, Shaokun; Chen, Yun; Zhang, Zhongjie] Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing 100029, Peoples R China.
[Wang, Jingbo] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Tian, XB (reprint author), Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing 100029, Peoples R China.
EM txbgeophysics@sohu.com
FU Chinese National Natural Science Foundation [40974025, 40721003];
National Key Project [2008ZX05008-006]
FX The IRIS Data Centre kindly provided us with seismogram data. We thank
Aimin Du for providing constructive suggestions. Constructive comments
are due to Stephen Gao, an anonymous reviewer, and editor Jun Korenaga.
This research is supported by grants from the Chinese National Natural
Science Foundation (Nos. 40974025 to X. Tian and 40721003 to Z. Zhang)
and National Key Project 2008ZX05008-006 to ZZ. All figures were made by
using the Generic Mapping Tools software package (Wessel & Smith 1998).
NR 19
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U1 0
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 APR
PY 2011
VL 185
IS 1
BP 329
EP 340
DI 10.1111/j.1365-246X.2011.04936.x
PG 12
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 735YA
UT WOS:000288455500024
ER
PT J
AU Taylor, KM
Procopio, MJ
Young, CJ
Meyer, FG
AF Taylor, Kye M.
Procopio, Michael J.
Young, Christopher J.
Meyer, Francois G.
TI Estimation of arrival times from seismic waves: a manifold-based
approach
SO GEOPHYSICAL JOURNAL INTERNATIONAL
LA English
DT Article
DE Time-series analysis; Seismic monitoring and test-ban treaty
verifications; Statistical seismology
ID DETERMINISTIC NONLINEAR PROCESSES; SINGULAR SPECTRUM ANALYSIS; PHASE
PICKING; VOLCANIC TREMOR; SERIES; DYNAMICS; IDENTIFICATION;
REPRESENTATION; REDUCTION; LAPLACIAN
AB We propose a new method to analyse seismic time-series and estimate the arrival times of seismic waves. Our approach combines two ingredients: the time-series are first lifted into a high-dimensional space using time-delay embedding; the resulting phase space is then parametrized using a non-linear method based on the eigenvectors of the graph Laplacian. We validate our approach using a data set of seismic events that occurred in Idaho, Montana, Wyoming and Utah between 2005 and 2006. Our approach outperforms methods based on singular-spectrum analysis, wavelet analysis and short-term average/long-term average (STA/LTA).
C1 [Taylor, Kye M.] Univ Colorado, Dept Math Appl, Boulder, CO 80309 USA.
[Procopio, Michael J.; Young, Christopher J.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Meyer, Francois G.] Univ Colorado, Dept Elect Engn, Boulder, CO 80309 USA.
RP Taylor, KM (reprint author), Univ Colorado, Dept Math Appl, Boulder, CO 80309 USA.
EM fmeyer@colorado.edu
RI Meyer, Francois/E-3788-2010
OI Meyer, Francois/0000-0002-1529-3796
FU Sandia National Laboratories; United States Department of Energy's
National Nuclear Security Administration [DE-AC04-94AL85000]
FX This work was supported through a contract with Sandia National
Laboratories. Sandia is a multiprogram 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 66
TC 9
Z9 9
U1 0
U2 2
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0956-540X
J9 GEOPHYS J INT
JI Geophys. J. Int.
PD APR
PY 2011
VL 185
IS 1
BP 435
EP 452
DI 10.1111/j.1365-246X.2011.04947.x
PG 18
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 735YA
UT WOS:000288455500030
ER
PT J
AU Edmiston, JK
Barton, NR
Bernier, JV
Johnson, GC
Steigmann, DJ
AF Edmiston, John K.
Barton, Nathan R.
Bernier, Joel V.
Johnson, George C.
Steigmann, David J.
TI Precision of lattice strain and orientation measurements using
high-energy monochromatic X-ray diffraction
SO JOURNAL OF APPLIED CRYSTALLOGRAPHY
LA English
DT Article
DE measurement uncertainties; crystal lattice deformation; strain;
orientation; high energy; X-ray diffraction
ID POLYCRYSTALLINE MATERIALS; SINGLE-GRAIN; DEFORMATION; STRESSES;
ROTATION; TENSOR; BULK
AB A systematic framework for estimating the uncertainty associated with measurements of finite stretch and orientation of a crystalline lattice using monochromatic X-ray diffraction is presented. A hierarchical method is implemented, in which uncertainties in the locations of diffraction peaks are communicated to the lattice stretch and rotation parameters by using the classical method of weighted least squares. This enables the uncertainty of the lattice stretch and rotation parameters to be estimated from a single full rotation scan. This method is applied to diffraction data obtained from a ruby single crystal as an idealized case for validation, and an example application is demonstrated by analyzing a strained and plastically deformed polycrystalline titanium alloy, beta 21S. For the ruby single crystal, it was possible to attain average uncertainties for lattice orientation and strain that were found to be comparable to standard statistical analysis of repeated measurements. For the titanium alloy, a single grain was analyzed, and a precision of 0.03 degrees for lattice orientation and 100-250 x 10-6 for lattice strain components was obtained. The basic framework of the uncertainty analysis is generally applicable, although specific results are unique to monochromatic X-ray diffraction experiments.
C1 [Edmiston, John K.; Johnson, George C.; Steigmann, David J.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
[Barton, Nathan R.; Bernier, Joel V.] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Edmiston, JK (reprint author), Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
EM jedmiston@berkeley.edu
RI Edmiston, John/D-7898-2015
FU US Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344 (LLNL-JRNL-457412)]; LDRD [10-ERD-053]; agency of the
United States government
FX This work was performed under the auspices of the US Department of
Energy by Lawrence Livermore National Laboratory under contract
DE-AC52-07NA27344 (LLNL-JRNL-457412). We would like to thank Professor
Matt Miller and Christos Efstathiou from Cornell University, and Ulrich
Lienert from Argonne National Laboratory for providing us with the
titanium alloy data. We would also like to thank Ulrich Lienert for
assistance in carrying out the ruby experiments. The experiments and
overall effort at LLNL are funded by the LDRD program (10-ERD-053). JKE
is supported by the Lawrence Scholar Program. This document 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 31
TC 19
Z9 19
U1 0
U2 10
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0021-8898
J9 J APPL CRYSTALLOGR
JI J. Appl. Crystallogr.
PD APR
PY 2011
VL 44
BP 299
EP 312
DI 10.1107/S0021889811002123
PN 2
PG 14
WC Chemistry, Multidisciplinary; Crystallography
SC Chemistry; Crystallography
GA 739YQ
UT WOS:000288758500006
ER
PT J
AU Page, K
Hood, TC
Proffen, T
Neder, RB
AF Page, Katharine
Hood, Taylor C.
Proffen, Thomas
Neder, Reinhard B.
TI Building and refining complete nanoparticle structures with total
scattering data
SO JOURNAL OF APPLIED CRYSTALLOGRAPHY
LA English
DT Article
DE nanoparticles; total scattering data; whole-particle modeling; pair
distribution functions
ID PAIR DISTRIBUTION FUNCTION; DIFFRACTION DATA; SHAPE CONTROL; PARTICLES;
NANOCRYSTALS; CDS
AB High-energy X-ray and spallation neutron total scattering data provide information about each pair of atoms in a nanoparticle sample, allowing for quantitative whole-particle structural modeling based on pair distribution function analysis. The realization of this capability has been hindered by a lack of versatile tools for describing complex finite structures. Here, the implementation of whole-particle refinement for complete nanoparticle systems is described within two programs, DISCUS and DIFFEV, and the diverse capabilities they present are demonstrated. The build-up of internal atomic structure (including defects, chemical ordering and other types of disorder), and nanoparticle size, shape and architecture (including core-shell structures, surface relaxation and ligand capping), are demonstrated using the program DISCUS. The structure refinement of a complete nanoparticle system (4 nm Au particles with organic capping ligands at the surface), based on neutron pair distribution function data, is demonstrated using DIFFEV, a program using a differential evolutionary algorithm to generate parameter values. These methods are a valuable addition to other probes appropriate for nanomaterials, adaptable to a diverse and complex set of materials systems, and extendable to additional data-set types.
C1 [Page, Katharine; Hood, Taylor C.; Proffen, Thomas] Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, LANSCE LC, Los Alamos, NM 87545 USA.
[Neder, Reinhard B.] Univ Erlangen Nurnberg, Inst Phys & Condensed Matter, D-91058 Erlangen, Germany.
RP Page, K (reprint author), Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, LANSCE LC, MS H805, Los Alamos, NM 87545 USA.
EM kpage@lanl.gov; neder@krist.uni-erlangen.de
RI Page, Katharine/C-9726-2009; Lujan Center, LANL/G-4896-2012; Neder,
Reinhard/D-9877-2013; Proffen, Thomas/B-3585-2009
OI Page, Katharine/0000-0002-9071-3383; Neder,
Reinhard/0000-0003-2592-2207; Proffen, Thomas/0000-0002-1408-6031
FU US DOE Office of Basic Energy Sciences; DOE [DE-AC52-06NA25396]
FX This work has benefited from the use of the NPDF beamline at the Lujan
Center at Los Alamos Neutron Science Center, funded by the US DOE Office
of Basic Energy Sciences. Los Alamos National Laboratory is operated by
Los Alamos National Security LLC under DOE contract No.
DE-AC52-06NA25396. The authors thank R. Seshadri for the Au nanoparticle
sample used to demonstrate DISCUS and DIFFEV in this paper.
NR 35
TC 32
Z9 32
U1 8
U2 59
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0021-8898
J9 J APPL CRYSTALLOGR
JI J. Appl. Crystallogr.
PD APR
PY 2011
VL 44
BP 327
EP 336
DI 10.1107/S0021889811001968
PN 2
PG 10
WC Chemistry, Multidisciplinary; Crystallography
SC Chemistry; Crystallography
GA 739YQ
UT WOS:000288758500009
ER
PT J
AU Zikovsky, J
Peterson, PF
Wang, XPP
Frost, M
Hoffmann, C
AF Zikovsky, Janik
Peterson, Peter F.
Wang, Xiaoping P.
Frost, Matthew
Hoffmann, Christina
TI CrystalPlan: an experiment-planning tool for crystallography
SO JOURNAL OF APPLIED CRYSTALLOGRAPHY
LA English
DT Article
DE CrystalPlan; X-ray scattering; neutron scattering; experiment planning
AB Beam time at large user-program-based X-ray and neutron scattering facilities is in high demand and always at a premium. CrystalPlan, a highly efficient experiment-planning software, has been developed to maximize the use of available beam time per sample per experiment. This program can calculate and optimize the data coverage of a crystal in reciprocal space in a single-crystal diffraction time-of-flight experiment. CrystalPlan can help a user build an experiment plan that will acquire the most unique data possible, with sufficient coverage but limited redundancy, therefore increasing scientific productivity. A user-friendly graphical user interface, including a three-dimensional viewer, an automated coverage optimizer and an option to reorient the crystal for the measurement of selected hkl reflections on specific detector positions, are among its useful features. A sample use case of the program with the TOPAZ beamline at the Spallation Neutron Source will be presented.
C1 [Zikovsky, Janik; Peterson, Peter F.; Wang, Xiaoping P.; Frost, Matthew; Hoffmann, Christina] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA.
RP Zikovsky, J (reprint author), Oak Ridge Natl Lab, Spallat Neutron Source, POB 2008,MS 6477, Oak Ridge, TN 37831 USA.
EM zikovskyjl@ornl.gov
RI Wang, Xiaoping/E-8050-2012; Peterson, Peter/L-2496-2013; hoffmann,
christina/D-2292-2016;
OI Wang, Xiaoping/0000-0001-7143-8112; Peterson, Peter/0000-0002-1353-0348;
hoffmann, christina/0000-0002-7222-5845; Frost,
Matthew/0000-0001-6821-170X
FU UT Battelle, LLC for the US Department of Energy, Office of Science
[DE-AC05-00OR22725]
FX This research was supported by UT Battelle, LLC, under contract No.
DE-AC05-00OR22725 for the US Department of Energy, Office of Science.
NR 15
TC 21
Z9 21
U1 0
U2 12
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0021-8898
J9 J APPL CRYSTALLOGR
JI J. Appl. Crystallogr.
PD APR
PY 2011
VL 44
BP 418
EP 423
DI 10.1107/S0021889811007102
PN 2
PG 6
WC Chemistry, Multidisciplinary; Crystallography
SC Chemistry; Crystallography
GA 739YQ
UT WOS:000288758500021
ER
PT J
AU Wall, AJ
Heaney, PJ
Mathur, R
Post, JE
Hanson, JC
Eng, PJ
AF Wall, Andrew J.
Heaney, Peter J.
Mathur, Ryan
Post, Jeffrey E.
Hanson, Jonathan C.
Eng, Peter J.
TI A flow-through reaction cell that couples time-resolved X-ray
diffraction with stable isotope analysis
SO JOURNAL OF APPLIED CRYSTALLOGRAPHY
LA English
DT Article
DE powder X-ray diffraction; synchrotron; time-resolved; Cu isotopes;
copper sulfides; chalcocite; covellite; flow-through reaction cells
ID NICKEL LATERITE ORES; ION-EXCHANGE; POWDER DIFFRACTION; FRACTIONATION;
CU; ENVIRONMENT; MECHANISM; KINETICS; ORIGIN; COPPER
AB A non-metallic flow-through reaction cell is described, designed for in situ time-resolved X-ray diffraction coupled with stable isotope analysis. The experimental setup allows the correlation of Cu isotope fractionation with changes in crystal structure during copper sulfide dissolution. This flow-through cell can be applied to many classes of fluid-mineral reactions that involve dissolution or ion exchange.
C1 [Wall, Andrew J.; Heaney, Peter J.] Penn State Univ, Dept Geosci, University Pk, PA 16802 USA.
[Mathur, Ryan] Juniata Coll, Dept Geol, Huntingdon, PA 16652 USA.
[Post, Jeffrey E.] Smithsonian NMNH, Dept Mineral Sci, Washington, DC 20013 USA.
[Hanson, Jonathan C.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Eng, Peter J.] Univ Chicago, Consortium Adv Radiat Sources, Chicago, IL 60637 USA.
RP Wall, AJ (reprint author), Penn State Univ, Dept Geosci, 542 Deike Bldg, University Pk, PA 16802 USA.
EM awall@psu.edu
RI mathur, ryan/A-5278-2010
FU NSF [EAR07-45374]; Center for Environmental Kinetics Analysis (CEKA);
DOE-sponsored Environmental Molecular Science Institute [NSF
CHE04-31328]; Mineralogical Society of America; Geological Society of
America; US Department of Energy, Division of Materials Sciences and
Division of Chemical Sciences [DE-AC02-98CH10886]; US Department of
Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-06CH11357]
FX Funding for this research was provided by NSF grant No. EAR07-45374, the
Center for Environmental Kinetics Analysis (CEKA), an NSF- and
DOE-sponsored Environmental Molecular Science Institute (NSF
CHE04-31328), the Edward H. Kraus Crystallographic Research Fund of the
Mineralogical Society of America, and a Geological Society of America
Graduate Student Research Grant. This research was carried out at two
synchrotron sources, the National Synchrotron Light Source, Brookhaven
National Laboratory, which is supported by the US Department of Energy,
Division of Materials Sciences and Division of Chemical Sciences, under
contract No. DE-AC02-98CH10886, and the Advanced Photon Source at
Argonne National Laboratory, which is supported by the US Department of
Energy, Office of Science, Office of Basic Energy Sciences, under
contract No. DE-AC02-06CH11357.
NR 23
TC 12
Z9 12
U1 1
U2 18
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0021-8898
J9 J APPL CRYSTALLOGR
JI J. Appl. Crystallogr.
PD APR
PY 2011
VL 44
BP 429
EP 432
DI 10.1107/S0021889811000525
PN 2
PG 4
WC Chemistry, Multidisciplinary; Crystallography
SC Chemistry; Crystallography
GA 739YQ
UT WOS:000288758500023
ER
PT J
AU Wheeler, JW
Shull, PB
Besier, TF
AF Wheeler, Jason W.
Shull, Pete B.
Besier, Thor F.
TI Real-Time Knee Adduction Moment Feedback for Gait Retraining Through
Visual and Tactile Displays
SO JOURNAL OF BIOMECHANICAL ENGINEERING-TRANSACTIONS OF THE ASME
LA English
DT Article
DE gait retraining; osteoarthritis; knee adduction moment; real-time
feedback
ID LATERALLY WEDGED INSOLES; HIGH TIBIAL OSTEOTOMY; OSTEOARTHRITIS
REHABILITATION; JOINT MOMENTS; ALIGNMENT; WALKING; ANGLE; INDIVIDUALS;
PROGRESSION; DESIGN
AB The external knee adduction moment (KAM) measured during gait is an indicator of tibiofemoral joint osteoarthritis progression and various strategies have been proposed to lower it. Gait retraining has been shown to be an effective, noninvasive approach for lowering the KAM. We present a new gait retraining approach in which the KAM is fed back to subjects in real-time during ambulation. A study was conducted in which 16 healthy subjects learned to alter gait patterns to lower the KAM through visual or tactile (vibration) feedback. Participants converged on a comfortable gait in just a few minutes by using the feedback to iterate on various kinematic modifications. All subjects adopted altered gait patterns with lower KAM compared with normal ambulation (average reduction of 20.7%). Tactile and visual feedbacks were equally effective for real-time training, although subjects using tactile feedback took longer to converge on an acceptable gait. This study shows that real-time feedback of the KAM can greatly increase the effectiveness and efficiency of subject-specific gait retraining compared with conventional methods. [DOI: 10.1115/1.4003621]
C1 [Wheeler, Jason W.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Shull, Pete B.] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA.
[Besier, Thor F.] Stanford Univ, Dept Orthopaed Surg, Stanford, CA 94305 USA.
RP Wheeler, JW (reprint author), Sandia Natl Labs, POB 5800,Mail Stop 1010, Albuquerque, NM 87185 USA.
EM jwwheel@sandia.gov; pshull@stanford.edu; besier@stanford.edu
OI Besier, Thor/0000-0003-0818-7554
FU Sandia National Laboratories; King Abdullah University of Science and
Technology
FX The authors would like to thank Scott Delp and Mark Cutkosky for their
input on the study. J. Wheeler was funded by Sandia National
Laboratories Doctoral Studies Program. P. Shull was partially funded by
the King Abdullah University of Science and Technology.
NR 31
TC 35
Z9 35
U1 0
U2 21
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0148-0731
J9 J BIOMECH ENG-T ASME
JI J. Biomech. Eng.-Trans. ASME
PD APR
PY 2011
VL 133
IS 4
AR 041007
DI 10.1115/1.4003621
PG 5
WC Biophysics; Engineering, Biomedical
SC Biophysics; Engineering
GA 739HU
UT WOS:000288706600008
PM 21428681
ER
PT J
AU Li, Z
Jin, Q
Huang, C
Chen, L
Yap, L
Conti, PS
AF Li, Z.
Jin, Q.
Huang, C.
Chen, L.
Yap, L.
Conti, P. S.
TI Integrin targeted phage as positron emission tomography (PET) agent:
potential for breast cancer imaging.
SO JOURNAL OF NUCLEAR MEDICINE
LA English
DT Meeting Abstract
C1 [Li, Z.; Huang, C.; Yap, L.; Conti, P. S.] Univ So Calif, Los Angeles, CA USA.
[Jin, Q.; Chen, L.] Argonne Natl Lab, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU SOC NUCLEAR MEDICINE INC
PI RESTON
PA 1850 SAMUEL MORSE DR, RESTON, VA 20190-5316 USA
SN 0161-5505
J9 J NUCL MED
JI J. Nucl. Med.
PD APR 1
PY 2011
VL 52
IS 4
MA 5
BP 662
EP 662
PG 1
WC Radiology, Nuclear Medicine & Medical Imaging
SC Radiology, Nuclear Medicine & Medical Imaging
GA 740OO
UT WOS:000288804500035
ER
PT J
AU Glaeser, RM
Typke, D
Tiemeijer, PC
Pulokas, J
Cheng, AC
AF Glaeser, Robert M.
Typke, Dieter
Tiemeijer, Peter C.
Pulokas, James
Cheng, Anchi
TI Precise beam-tilt alignment and collimation are required to minimize the
phase error associated with coma in high-resolution cryo-EM
SO JOURNAL OF STRUCTURAL BIOLOGY
LA English
DT Review
DE Beam alignment; Coma; Phase error
ID PARTICLE ELECTRON CRYOMICROSCOPY; CRYOELECTRON MICROSCOPY; ILLUMINATION;
MICROGRAPHS; LEGINON; SYSTEM
AB Electron microscopy at a resolution of 0.4 nm or better requires more careful adjustment of the illumination than is the case at a resolution of 0.8 nm. The use of current-axis alignment is not always sufficient, for example, to avoid the introduction of large phase errors, at higher resolution, due to axial coma. In addition, one must also ensure that off-axis coma does not corrupt the data quality at the higher resolution. We particularly emphasize that the standard CTF correction does not account for the phase error associated with coma. We explain the cause of both axial coma and the typically most troublesome component of off-axis coma in terms of the well-known shift of the electron diffraction pattern relative to the optical axis that occurs when the illumination is not parallel to the axis. We review the experimental conditions under which coma causes unacceptably large phase errors, and we discuss steps that can be taken when setting up the conditions of illumination, so as to ensure that neither axial nor off-axis coma is a problem. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Glaeser, Robert M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Donner Lab 363B, Div Life Sci, Berkeley, CA 94720 USA.
[Tiemeijer, Peter C.] FEI Co, NL-5600 KA Eindhoven, Netherlands.
[Pulokas, James; Cheng, Anchi] Scripps Res Inst, La Jolla, CA 92037 USA.
RP Glaeser, RM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Donner Lab 363B, Div Life Sci, Berkeley, CA 94720 USA.
EM rmglaeser@lbl.gov
FU NIH [GM083039, RR175732]; US Department of Energy [DE-AC02-05CH11231]
FX We thank Dr. Bridget Carragher and Dr. Clint Potter for encouraging the
preliminary experiments that ultimately led to writing this review. This
work has been supported in part by NIH Grant GM083039, NIH Grant
RR175732, and US Department of Energy contract DE-AC02-05CH11231.
NR 27
TC 25
Z9 25
U1 1
U2 10
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1047-8477
J9 J STRUCT BIOL
JI J. Struct. Biol.
PD APR
PY 2011
VL 174
IS 1
BP 1
EP 10
DI 10.1016/j.jsb.2010.12.005
PG 10
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 738LA
UT WOS:000288640100001
PM 21182964
ER
PT J
AU Pokkuluri, PR
Londer, YY
Duke, NEC
Pessanha, M
Yang, X
Orshonsky, V
Orshonsky, L
Erickson, J
Zagyanskiy, Y
Salgueiro, CA
Schiffer, M
AF Pokkuluri, P. R.
Londer, Y. Y.
Duke, N. E. C.
Pessanha, M.
Yang, X.
Orshonsky, V.
Orshonsky, L.
Erickson, J.
Zagyanskiy, Y.
Salgueiro, C. A.
Schiffer, M.
TI Structure of a novel dodecaheme cytochrome c from Geobacter
sulfurreducens reveals an extended 12 nm protein with interacting hemes
SO JOURNAL OF STRUCTURAL BIOLOGY
LA English
DT Article
DE Dodecaheme cytochrome c; Multiheme cytochrome c; Heme-stacking; Electron
transfer; Fe(III) reduction; Geobacter sulfurreducens
ID ESCHERICHIA-COLI; THERMODYNAMIC CHARACTERIZATION;
DESULFUROMONAS-ACETOXIDANS; HETEROLOGOUS EXPRESSION; MULTIDOMAIN
CYTOCHROME; ANGSTROM RESOLUTION; FE(III) REDUCTION; C(7); RESPIRATION;
SYSTEM
AB Multiheme cytochromes c are important in electron transfer pathways in reduction of both soluble and insoluble Fe(III) by Geobacter sulfurreducens. We determined the crystal structure at 3.2 angstrom resolution of the first dodecaheme cytochrome c (GSU1996) along with its N-terminal and C-terminal hexaheme fragments at 2.6 and 2.15 angstrom resolution, respectively. The macroscopic reduction potentials of the full-length protein and its fragments were measured. The sequence of GSU1996 can be divided into four c(7)-type domains (A, B, C and D) with homology to triheme cytochromes c(7). In cytochromes c(7) all three hemes are bis-His coordinated, whereas in c(7)-type domains the last heme is His-Met coordinated. The full-length GSU1996 has a 12 nm long crescent shaped structure with the 12 hemes arranged along a polypeptide to form a "nanowire" of hemes; it has a modular structure. Surprisingly, while the C-terminal half of the protein consists of two separate c(7)-type domains (C and D) connected by a small linker, the N-terminal half of the protein has two c(7)-type domains (A and B) that form one structural unit. This is also observed in the AB fragment. There is an unexpected interaction between the hemes at the interface of domains A and B, which form a heme-pair with nearly parallel stacking of their porphyrin rings. The hemes adjacent to each other throughout the protein are within van der Waals distance which enables efficient electron exchange between them. For the first time, the structural details of c(7)-type domains from one multiheme protein were compared. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Pokkuluri, P. R.; Londer, Y. Y.; Duke, N. E. C.; Yang, X.; Orshonsky, V.; Orshonsky, L.; Erickson, J.; Schiffer, M.] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
[Pessanha, M.; Salgueiro, C. A.] Univ Nova Lisboa, Requimte CQFB, Dept Quim, Fac Ciencias & Tecnol, P-2829516 Caparica, Portugal.
RP Pokkuluri, PR (reprint author), Argonne Natl Lab, Biosci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM rajp@anl.gov; mschiffer@anl.gov
RI Salgueiro, Carlos/A-4522-2013; Caparica, cqfb_staff/H-2611-2013;
REQUIMTE, AL/H-9106-2013; Chaves, Pedro/K-1288-2013; REQUIMTE,
SMB/M-5694-2013; REQUIMTE, UCIBIO/N-9846-2013
OI Salgueiro, Carlos/0000-0003-1136-809X;
FU US Department of Energy's Office of Science, Biological and
Environmental Research [DE-AC02-06CH11357]; US Department of Energy,
Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357];
US Department of Energy's Office of Biological and Environmental
Research; US Department of Energy, Office of Science, Office of Basic
Energy Sciences; Fundacao para a Ciencia e Tecnologia (Portugal)
[PTDC/BIA-PRO/74498/2006, PTDC/QUI/70182/2006]
FX The work at Argonne National Laboratory was supported by the US
Department of Energy's Office of Science, Biological and Environmental
Research GTL program under contract No. DE-AC02-06CH11357 and by the US
Department of Energy, Office of Science, Office of Basic Energy Sciences
under Contract No. DE-AC02-06CH11357. This work is a part of
collaboration with Prof. D. R. Lovley (University of Massachusetts.
Amherst) under the Genomics:GTL project. Use of the Structural Biology
Center beam lines was supported by the US Department of Energy's Office
of Biological and Environmental Research. Use of the Advanced Photon
Source was supported by the US Department of Energy, Office of Science,
Office of Basic Energy Sciences. The work at UNL, Lisbon is supported by
Grants PTDC/BIA-PRO/74498/2006 and PTDC/QUI/70182/2006 from Fundacao
para a Ciencia e Tecnologia (Portugal). The authors wish to thank Dr. Z.
Dauter for help with determining the heavy atom sub-structure of
GSU1996, and Drs. D.K. Hanson and R. Wilton for critical reading of the
manuscript.
NR 39
TC 24
Z9 24
U1 0
U2 8
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1047-8477
J9 J STRUCT BIOL
JI J. Struct. Biol.
PD APR
PY 2011
VL 174
IS 1
BP 223
EP 233
DI 10.1016/j.jsb.2010.11.022
PG 11
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 738LA
UT WOS:000288640100026
PM 21130881
ER
PT J
AU Cosimbescu, L
Polikarpov, E
Swensen, JS
Darsell, JT
Padmaperuma, AB
AF Cosimbescu, Lelia
Polikarpov, Evgueni
Swensen, James S.
Darsell, Jens T.
Padmaperuma, Asanga B.
TI Hole-rich host materials for blue-phosphorescent OLEDs
SO JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY
LA English
DT Article
DE High-efficiency host; wide-bandgap host; blue phosphorescence; phosphine
oxide
ID LIGHT-EMITTING-DIODES; CHARGE; DEVICES
AB Stable and efficient organic light-emitting devices (OLEDs) are an integral part of the future of lighting and displays. The hole accumulation at the hole-transport/emissive-layer interface in such devices is considered to be a major pathway for degradation and efficiency loss.(1) Here, the design and synthesis of two charge-transporting host materials, based on the phosphine oxide (PO) moiety, engineered to improve hole transport of the emissive layer, will be reported. The compounds are an extension of a molecular design strategy which incorporates a hole-transporting moiety and an electron-transporting moiety. These materials were designed with two hole-transport moieties (HTms) to further improve hole transport, compared to the first-generation host materials that were designed with one hole-transport functional group. The triplet exciton energy was maintained at a level greater than that of FIrpic (2.7 eV) to prevent exciton quenching. The E(HOMO) and E(LUMO) of the two classes of molecules (i.e., 1 HTm vs. 2 HTms) were similar; however, their device performance varied greatly. Emission zone experiments were conducted to further characterize the difference in charge transport between the molecules.
C1 [Cosimbescu, Lelia; Polikarpov, Evgueni; Swensen, James S.; Darsell, Jens T.; Padmaperuma, Asanga B.] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Cosimbescu, L (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99354 USA.
EM asanga.padmaperuma@pnl.gov
FU U.S. Department of Energy, within the Building Technologies Program (BT)
[M68004043]; Department of Energy's Office of Biological and
Environmental Research; U.S. Department of Energy; DOE [DE-AC06-76RLO
1830]
FX This work was funded by the Solid Sate Lighting Program of the U.S.
Department of Energy, within the Building Technologies Program (BT),
Award No. M68004043 and managed by the National Energy Technology
Laboratory (NETL). We thank Dr. Alan Joly for the assistance in
collecting low-temperature phosphorescence spectra. A portion of the
research described in the paper was performed in the Environmental
Molecular Sciences Laboratory, 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 (PNNL). Computations were carried out using "NWChem, A
Computational Chemistry Package for Parallel Computers, Version 5.1"
(2007), developed at the High Performance Computational Chemistry Group,
Pacific Northwest National Laboratory, Richland, WA 99352-0999, USA.
Pacific Northwest National Laboratory (PNNL) "Extensible Computational
Chemistry Environment (ECCE), A Problem Solving Environment for
Computational Chemistry, Software Version 6.0" (2009), as developed and
distributed by Pacific Northwest National Laboratory, P.O. Box 999,
Richland, WA 99352, USA, and funded by the U.S. Department of Energy,
was used to obtain some of these results. PNNL is operated by Battelle
Memorial Institute for the DOE, under contract DE-AC06-76RLO 1830.
NR 15
TC 1
Z9 1
U1 1
U2 11
PU SOC INFORMATION DISPLAY
PI CAMPBELL
PA 1475 S BASCOM AVE, STE 114, CAMPBELL, CA 95008 USA
SN 1071-0922
J9 J SOC INF DISPLAY
JI J. Soc. Inf. Disp.
PD APR
PY 2011
VL 19
IS 4
BP 353
EP 359
DI 10.1889/JSID19.4.353
PG 7
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Optics; Physics, Applied
SC Engineering; Materials Science; Optics; Physics
GA 741FO
UT WOS:000288849100009
ER
PT J
AU Datta, BN
Sokolov, V
AF Datta, Biswa Nath
Sokolov, Vadim
TI A solution of the affine quadratic inverse eigenvalue problem
SO LINEAR ALGEBRA AND ITS APPLICATIONS
LA English
DT Article; Proceedings Paper
CT Conference on Linear and Numerical Linear Algebra - Theory, Methods and
Applications
CY AUG 12-14, 2009
CL Northern Illinois Univ (NIU), IL
SP Univ Minnesota, Inst Math & Applications (IMA)
HO Northern Illinois Univ (NIU)
DE Affine quadratic inverse eigenvalue problem; Newton's method;
Alternating projection method
ID PARTIAL POLE ASSIGNMENT; VIBRATING SYSTEMS; ORTHOGONALITY; PENCIL
AB The quadratic inverse eigenvalue problem (QIEP) is to find the three matrices M, C, and K, given a set of numbers, closed under complex conjugations, such that these numbers become the eigenvalues of the quadratic pencil P(lambda) = lambda(2)M + lambda C + K. The affine inverse quadratic eigenvalue problem (AQIEP) is the QIEP with an additional constraint that the coefficient matrices belong to an affine family, that is, these matrices are linear combinations of sub-structured matrices. An affine family of matrices very often arise in vibration engineering modeling and analysis. Research on QIEP and AQIEP are still at developing stage. In this paper, we propose three methods and the associated mathematical theories for solving AQIEP: A Newton method, an alternating projections method, and a hybrid method combining the two. Validity of these methods are illustrated with results on numerical experiments on a spring-mass problem and comparisons are made with these three methods amongst themselves and with another Newton method developed by Elhay and Ram (2002) [12]. The results of our experiments show that the hybrid method takes much smaller number of iterations and converges faster than any of these methods. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Sokolov, Vadim] Argonne Natl Lab, Div Energy Syst, Transportat Res & Anal Comp Ctr, W Chicago, IL 60185 USA.
[Datta, Biswa Nath] No Illinois Univ, Dept Math Sci, De Kalb, IL 60115 USA.
RP Sokolov, V (reprint author), Argonne Natl Lab, Div Energy Syst, Transportat Res & Anal Comp Ctr, W Chicago, IL 60185 USA.
EM dattab@math.niu.edu; vsokolov@anl.gov
NR 27
TC 5
Z9 6
U1 0
U2 5
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0024-3795
J9 LINEAR ALGEBRA APPL
JI Linear Alg. Appl.
PD APR 1
PY 2011
VL 434
IS 7
SI SI
BP 1745
EP 1760
DI 10.1016/j.laa.2010.09.047
PG 16
WC Mathematics, Applied; Mathematics
SC Mathematics
GA 738HX
UT WOS:000288632000015
ER
PT J
AU Tsetseris, L
Pantelides, ST
AF Tsetseris, L.
Pantelides, S. T.
TI Defect formation and annihilation at Ge-GeO2 interfaces
SO MICROELECTRONIC ENGINEERING
LA English
DT Article; Proceedings Paper
CT EMRS Spring Meeting on Post-Si-CMOS Electronic Devices - The Role of Ge
and III-V Materials
CY JUN 07-11, 2010
CL Strasbourg, FRANCE
SP SAFC, Aixtron, IBM, EMRS
DE ab initio; Defects; Oxygen; Hydrogen; Fluorine; Interface; Germanium;
Silicon
ID AUGMENTED-WAVE METHOD; SI-SIO2 INTERFACE; MOS DEVICES; HYDROGEN;
MOSFETS; MICROELECTRONICS; PASSIVATION; RELIABILITY; MIGRATION
AB The stability and dynamics of defects at Ge-GeO2 interfaces are key factors for the operation of Ge-based devices. Here we present the results of extensive first-principles calculations on creation mechanisms and transformations of defects at the Ge-GeO2 boundary. We find that, similar to the case of Ge P-b centers, reactions between interfacial divalent Ge atoms and hydrogen or fluorine do not lead to passivation of the Ge dangling bonds. Moreover, the insertion of extra oxygen atoms in the vicinity of P-b and divalent Ge defects can lead to new defect complexes. The results reveal key differences with respect to the traditional Si-SiO2 electronic system. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Tsetseris, L.] Natl Tech Univ Athens, Dept Phys, GR-15780 Athens, Greece.
[Tsetseris, L.; Pantelides, S. T.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Pantelides, S. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Tsetseris, L (reprint author), Natl Tech Univ Athens, Dept Phys, Zografou Campus, GR-15780 Athens, Greece.
EM leont@mail.ntua.gr
NR 29
TC 4
Z9 4
U1 0
U2 17
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-9317
J9 MICROELECTRON ENG
JI Microelectron. Eng.
PD APR
PY 2011
VL 88
IS 4
BP 395
EP 398
DI 10.1016/j.mee.2010.08.027
PG 4
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Optics; Physics, Applied
SC Engineering; Science & Technology - Other Topics; Optics; Physics
GA 736VW
UT WOS:000288524100018
ER
PT J
AU Golias, E
Tsetseris, L
Dimoulas, A
Pantelides, ST
AF Golias, E.
Tsetseris, L.
Dimoulas, A.
Pantelides, S. T.
TI Ge volatilization products in high-k gate dielectrics
SO MICROELECTRONIC ENGINEERING
LA English
DT Article; Proceedings Paper
CT EMRS 2010 Spring Meeting on Post-Si-CMOS Electronic Devices - The Role
of Ge and III-V Materials
CY JUN 07-11, 2010
CL Strasbourg, FRANCE
SP SAFC, Aixtron, IBM
DE Ab initio; Defects; Impurities; Germanium; Traps; Leakage
ID METAL-OXIDE-SEMICONDUCTOR; AUGMENTED-WAVE METHOD; HYDROGEN; HFO2;
RELIABILITY; SUPPRESSION; INTERFACE; GERMANIUM; DEVICES
AB GeO molecules are often emitted by Ge substrates under high-temperature annealing and, in the case of gate stacks, they diffuse through high-k oxides. Here we use first-principles quantum-mechanical calculations to probe the stability of these impurities in La(2)O(3) and HfO(2) and their effect on the electronic properties of the host systems. We find that the GeO species introduce several different levels inside the energy band gaps of La(2)O(3) and HfO(2). As a result, the impurities may act as charge carrier traps. Hydrogenation of the GeO defects modifies the position and numbers of gap states, but does not eliminate the carrier trap levels completely. The results suggest a possible role of Ge volatilization in enhancing leakage currents and degradation in high-k gate stacks of Ge-based devices. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Golias, E.; Tsetseris, L.] Natl Tech Univ Athens, Dept Phys, GR-15780 Athens, Greece.
[Golias, E.; Dimoulas, A.] NCSR Demokritos, MBE Lab, GR-15310 Athens, Greece.
[Tsetseris, L.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Pantelides, S. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Tsetseris, L (reprint author), Natl Tech Univ Athens, Dept Phys, Zografou Campus, GR-15780 Athens, Greece.
EM leont@mail.ntua.gr
RI Golias, Evangelos/Q-1818-2016
OI Golias, Evangelos/0000-0003-1483-1959
NR 31
TC 11
Z9 11
U1 0
U2 11
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-9317
J9 MICROELECTRON ENG
JI Microelectron. Eng.
PD APR
PY 2011
VL 88
IS 4
BP 427
EP 430
DI 10.1016/j.mee.2010.07.041
PG 4
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Optics; Physics, Applied
SC Engineering; Science & Technology - Other Topics; Optics; Physics
GA 736VW
UT WOS:000288524100026
ER
PT J
AU Canfield, PC
AF Canfield, Paul C.
TI Still alluring and hard to predict at 100
SO NATURE MATERIALS
LA English
DT Editorial Material
ID MAGNESIUM DIBORIDE; SUPERCONDUCTIVITY
C1 Iowa State Univ, Ames Lab, Dept Energys, Ames, IA 50011 USA.
RP Canfield, PC (reprint author), Iowa State Univ, Ames Lab, Dept Energys, Ames, IA 50011 USA.
EM canfield@ameslab.gov
RI Canfield, Paul/H-2698-2014
NR 12
TC 12
Z9 12
U1 1
U2 11
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
J9 NAT MATER
JI Nat. Mater.
PD APR
PY 2011
VL 10
IS 4
BP 259
EP 261
DI 10.1038/nmat2990
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA 739UU
UT WOS:000288744700004
PM 21430665
ER
PT J
AU Jeon, KJ
Moon, HR
Ruminski, AM
Jiang, B
Kisielowski, C
Bardhan, R
Urban, JJ
AF Jeon, Ki-Joon
Moon, Hoi Ri
Ruminski, Anne M.
Jiang, Bin
Kisielowski, Christian
Bardhan, Rizia
Urban, Jeffrey J.
TI Air-stable magnesium nanocomposites provide rapid and high-capacity
hydrogen storage without using heavy-metal catalysts
SO NATURE MATERIALS
LA English
DT Article
ID NANOPARTICLES; KINETICS; MICROSTRUCTURE; NANOCRYSTALS; POLYMERS
AB Hydrogen is a promising alternative energy carrier that can potentially facilitate the transition from fossil fuels to sources of clean energy because of its prominent advantages such as high energy density (142 MJ kg(-1); ref. 1), great variety of potential sources (for example water, biomass, organic matter), light weight, and low environmental impact (water is the sole combustion product). However, there remains a challenge to produce a material capable of simultaneously optimizing two conflicting criteria-absorbing hydrogen strongly enough to form a stable thermodynamic state, but weakly enough to release it on-demand with a small temperature rise. Many materials under development, including metal-organic frameworks, nanoporous polymers, and other carbon-based materials, physisorb only a small amount of hydrogen (typically 1-2 wt%) at room temperature. Metal hydrides were traditionally thought to be unsuitable materials because of their high bond formation enthalpies (for example MgH2 has a Delta H-f similar to 75 kJ mol(-1)), thus requiring unacceptably high release temperatures resulting in low energy efficiency. However, recent theoretical calculations and metal-catalysed thin-film studies have shown that microstructuring of these materials can enhance the kinetics by decreasing diffusion path lengths for hydrogen and decreasing the required thickness of the poorly permeable hydride layer that forms during absorption. Here, we report the synthesis of an air-stable composite material that consists of metallic Mg nanocrystals (NCs) in a gas-barrier polymer matrix that enables both the storage of a high density of hydrogen (up to 6 wt% of Mg, 4 wt% for the composite) and rapid kinetics (loading in < 30 min at 200 degrees C). Moreover, nanostructuring of the Mg provides rapid storage kinetics without using expensive heavy-metal catalysts.
C1 [Moon, Hoi Ri; Ruminski, Anne M.; Bardhan, Rizia; Urban, Jeffrey J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Div Mat Sci, Berkeley, CA 94720 USA.
[Jeon, Ki-Joon] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Jiang, Bin] FEI Co, Hillsboro, OR 97124 USA.
[Kisielowski, Christian] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Electron Microscopy & Helios SERC, Berkeley, CA 94720 USA.
RP Urban, JJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Div Mat Sci, Berkeley, CA 94720 USA.
EM jjurban@lbl.gov
RI bardhan, rizia/A-9393-2010; Moon, Hoi Ri /E-5892-2010; Bardhan,
Rizia/B-4674-2014
FU Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy [DE-AC02-05CH11231]; US Department of Energy; US Department of
Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-05CH11231]
FX Work at the Molecular Foundry and the National Center for Electron
Microscopy was supported by the Office of Science, Office of Basic
Energy Sciences, of the US Department of Energy under Contract No.
DE-AC02-05CH11231. J.J.U., K-J.J., H.R.M., and R.B. are supported under
the US Department of Energy Hydrogen Storage Program. A.M.R. is
supported as part of the Center for Nanoscale Control of Geologic
CO2, an Energy Frontier Research Center funded by the US
Department of Energy, Office of Science, Office of Basic Energy Sciences
under Contract No. DE-AC02-05CH11231. We thank J. R. Long and T. J.
Richardson for critical discussions and exchange, and appreciate the
support of S. Mao for PCI measurement.
NR 29
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U1 23
U2 252
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
J9 NAT MATER
JI Nat. Mater.
PD APR
PY 2011
VL 10
IS 4
BP 286
EP 290
DI 10.1038/NMAT2978
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA 739UU
UT WOS:000288744700018
PM 21399630
ER
PT J
AU Peled, ES
Isacoff, EY
AF Peled, Einat S.
Isacoff, Ehud Y.
TI Optical quantal analysis of synaptic transmission in wild-type and
rab3-mutant Drosophila motor axons
SO NATURE NEUROSCIENCE
LA English
DT Article
ID HIPPOCAMPAL SYNAPSES; TRANSMITTER RELEASE; NEUROTRANSMITTER RELEASE;
SINGLE SYNAPSES; IN-VIVO; PROBABILITY; PLASTICITY; RAB3; TERMINALS;
LARVAE
AB Synaptic transmission from a neuron to its target cells occurs via neurotransmitter release from dozens to thousands of presynaptic release sites whose strength and plasticity can vary considerably. We report an in vivo imaging method that monitors real-time synaptic transmission simultaneously at many release sites with quantal resolution. We applied this method to the model glutamatergic system of the Drosophila melanogaster larval neuromuscular junction. We find that, under basal conditions, about half of release sites have a very low release probability, but these are interspersed with sites with as much as a 50-fold higher probability. Paired-pulse stimulation depresses high-probability sites, facilitates low-probability sites, and recruits previously silent sites. Mutation of the small GTPase Rab3 substantially increases release probability but still leaves about half of the sites silent. Our findings suggest that basal synaptic strength and short-term plasticity are regulated at the level of release probability at individual sites.
C1 [Peled, Einat S.; Isacoff, Ehud Y.] Univ Calif Berkeley, Dept Mol & Cell Biol, 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 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 US National Science Foundation [FIBR 0623527]
FX We thank R. S. Zucker for helpful discussions, G. Kauwe and G. Agarwal
for help generating the SynapGCaMP2 fly line, H. L. Aaron for advice on
imaging and J.A. Min for help with testing fly strains. We also thank A.
DiAntonio for gifts of fly strains and for the Rab3 antibody. This work
was supported by US National Science Foundation grant FIBR 0623527.
NR 43
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U1 0
U2 6
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1097-6256
J9 NAT NEUROSCI
JI Nat. Neurosci.
PD APR
PY 2011
VL 14
IS 4
BP 519
EP U162
DI 10.1038/nn.2767
PG 10
WC Neurosciences
SC Neurosciences & Neurology
GA 741FQ
UT WOS:000288849400024
PM 21378971
ER
PT J
AU Kerekes, RA
Martins, RAP
Davis, D
Karakaya, M
Gleason, S
Dyer, MA
AF Kerekes, Ryan A.
Martins, Rodrigo A. P.
Davis, Denise
Karakaya, Mahmut
Gleason, Shaun
Dyer, Michael A.
TI Automated Tracing of Horizontal Neuron Processes During Retinal
Development
SO NEUROCHEMICAL RESEARCH
LA English
DT Article
DE Horizontal retinal neuron; Retinal development; Automated tracing;
Segmentation algorithm
ID CELL-FATE DETERMINATION; PHOTORECEPTOR DEGENERATIONS; PROLIFERATION
AB In the developing mammalian retina, horizontal neurons undergo a dramatic reorganization of their processes shortly after they migrate to their appropriate laminar position. This is an important process because it is now understood that the apical processes are important for establishing the regular mosaic of horizontal cells in the retina and proper reorganization during lamination is required for synaptogenesis with photoreceptors and bipolar neurons. However, this process is difficult to study because the analysis of horizontal neuron anatomy is labor intensive and time-consuming. In this paper, we present a computational method for automatically tracing the three-dimensional (3-D) dendritic structure of horizontal retinal neurons in two-photon laser scanning microscope (TPLSM) imagery. Our method is based on 3-D skeletonization and is thus able to preserve the complex structure of the dendritic arbor of these cells. We demonstrate the effectiveness of our approach by comparing our tracing results against two sets of semi-automated traces over a set of 10 horizontal neurons ranging in age from P1 to P5. We observe an average agreement level of 81% between our automated trace and the manual traces. This automated method will serve as an important starting point for further refinement and optimization.
C1 [Kerekes, Ryan A.; Gleason, Shaun] Oak Ridge Natl Lab, Measurement Sci & Syst Engn Div, Oak Ridge, TN 37831 USA.
[Martins, Rodrigo A. P.] Univ Fed Rio de Janeiro, Inst Biofis Carlos Chagas Filho, CCS, BR-21941900 Rio De Janeiro, Brazil.
[Davis, Denise; Dyer, Michael A.] St Jude Childrens Hosp, Dept Dev Neurobiol, Memphis, TN 38105 USA.
[Karakaya, Mahmut] Univ Tennessee, Dept Comp Sci & Elect Engn, Knoxville, TN 37996 USA.
[Dyer, Michael A.] Univ Tennessee, Hlth Sci Ctr, Dept Ophthalmol, Memphis, TN 38105 USA.
[Dyer, Michael A.] Johns Hopkins Univ, Sch Med, Howard Hughes Med Inst, Baltimore, MD 21205 USA.
RP Kerekes, RA (reprint author), Oak Ridge Natl Lab, Measurement Sci & Syst Engn Div, MS 6075,1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM kerekesra@ornl.gov
RI Karakaya, Mahmut/C-7155-2017;
OI Martins, Rodrigo/0000-0002-8420-6991
FU National Institutes of Health [R01EY018599, R01EY014867]; National
Cancer Institute [21765]; American Cancer Society; Pew Charitable Trust;
Macular Vision Research Foundation; American Lebanese Syrian Associated
Charities
FX Supported by grants from the National Institutes of Health (R01EY018599
and R01EY014867); Cancer Center Support CA 21765 from the National
Cancer Institute; and grants from the American Cancer Society, the Pew
Charitable Trust, Macular Vision Research Foundation and the American
Lebanese Syrian Associated Charities. Dr. Dyer is a Howard Hughes
Medical Institute Early Career Investigator.
NR 22
TC 1
Z9 1
U1 3
U2 3
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0364-3190
J9 NEUROCHEM RES
JI Neurochem. Res.
PD APR
PY 2011
VL 36
IS 4
BP 583
EP 593
DI 10.1007/s11064-010-0390-1
PG 11
WC Biochemistry & Molecular Biology; Neurosciences
SC Biochemistry & Molecular Biology; Neurosciences & Neurology
GA 738TE
UT WOS:000288664400004
PM 21221777
ER
PT J
AU Ahmed, SN
Angstadt, R
Aoki, M
Asman, B
Austin, S
Bagby, L
Barberis, E
Baringer, P
Bean, A
Bischoff, A
Blekman, F
Bolton, TA
Boswell, C
Bowden, M
Browning, F
Buchholz, D
Burdin, S
Butler, D
Cease, H
Choi, S
Clark, AR
Clutter, J
Cooper, A
Cooper, WE
Corcoran, M
de Jong, SJ
Demarteau, M
Demina, R
Desai, S
Derylo, G
Ellison, J
Ermolov, P
Fagan, J
Fast, J
Filthaut, F
Foglesong, J
Fox, H
Galea, CF
Gardner, J
Genik, RJ
Gerber, CE
Gershtein, Y
Gounder, K
Grinstein, S
Gu, W
Gutierrez, P
Haggerty, H
Hall, RE
Hagopian, S
Hance, R
Harder, K
Heger, P
Heinson, AP
Heintz, U
Hesketh, G
Hover, D
Howell, J
Hrycyk, M
Iashvili, I
Johnson, M
Jostlein, H
Juste, A
Kahl, W
Kajfasz, E
Karmanov, D
Kesisoglou, S
Khanov, A
King, J
Kleinfelder, S
Kowalski, J
Krempetz, K
Kubantsev, M
Kulik, Y
Landsberg, G
Leflat, A
Lehner, F
Lipton, R
Mao, HS
Martin, M
Mateski, J
Matulik, M
McKenna, M
Melnitchouk, A
Merkin, M
Mihalcea, D
Milgrome, O
Montgomery, HE
Moua, S
Naumann, NA
Nomerotski, A
Olis, D
O'Neil, DC
Garzon, GJOY
Parua, N
Pawlak, J
Petteni, M
Quinn, B
Rapidis, PA
Ratzmann, P
Rizatdinova, F
Roco, M
Rucinski, R
Rykalin, V
Schellman, H
Schmitt, W
Sellberg, G
Serritella, C
Shabalina, E
Sidwell, RA
Simak, V
Smith, E
Squires, B
Stanton, NR
Steinbrueck, G
Strandberg, J
Strandberg, S
Strauss, M
Stredde, H
Toukhtarov, A
Tripathi, SM
Trippe, TG
Tsybychev, D
Utes, M
van Gemmeren, P
Vaz, M
Weber, M
Wijngaarden, DA
Wish, J
Womersley, J
Yarema, R
Ye, Z
Zieminski, A
Zimmerman, T
Zverev, EG
AF Ahmed, S. N.
Angstadt, R.
Aoki, M.
Asman, B.
Austin, S.
Bagby, L.
Barberis, E.
Baringer, P.
Bean, A.
Bischoff, A.
Blekman, F.
Bolton, T. A.
Boswell, C.
Bowden, M.
Browning, F.
Buchholz, D.
Burdin, S.
Butler, D.
Cease, H.
Choi, S.
Clark, A. R.
Clutter, J.
Cooper, A.
Cooper, W. E.
Corcoran, M.
de Jong, S. J.
Demarteau, M.
Demina, R.
Desai, S.
Derylo, G.
Ellison, J.
Ermolov, P.
Fagan, J.
Fast, J.
Filthaut, F.
Foglesong, J.
Fox, H.
Galea, C. F.
Gardner, J.
Genik, R. J., II
Gerber, C. E.
Gershtein, Y.
Gounder, K.
Grinstein, S.
Gu, W.
Gutierrez, P.
Haggerty, H.
Hall, R. E.
Hagopian, S.
Hance, R.
Harder, K.
Heger, P.
Heinson, A. P.
Heintz, U.
Hesketh, G.
Hover, D.
Howell, J.
Hrycyk, M.
Iashvili, I.
Johnson, M.
Joestlein, H.
Juste, A.
Kahl, W.
Kajfasz, E.
Karmanov, D.
Kesisoglou, S.
Khanov, A.
King, J.
Kleinfelder, S.
Kowalski, J.
Krempetz, K.
Kubantsev, M.
Kulik, Y.
Landsberg, G.
Leflat, A.
Lehner, F.
Lipton, R.
Mao, H. S.
Martin, M.
Mateski, J.
Matulik, M.
McKenna, M.
Melnitchouk, A.
Merkin, M.
Mihalcea, D.
Milgrome, O.
Montgomery, H. E.
Moua, S.
Naumann, N. A.
Nomerotski, A.
Olis, D.
O'Neil, D. C.
Otero y Garzon, G. J.
Parua, N.
Pawlak, J.
Petteni, M.
Quinn, B.
Rapidis, P. A.
Ratzmann, P.
Rizatdinova, F.
Roco, M.
Rucinski, R.
Rykalin, V.
Schellman, H.
Schmitt, W.
Sellberg, G.
Serritella, C.
Shabalina, E.
Sidwell, R. A.
Simak, V.
Smith, E.
Squires, B.
Stanton, N. R.
Steinbrueck, G.
Strandberg, J.
Strandberg, S.
Strauss, M.
Stredde, H.
Toukhtarov, A.
Tripathi, S. M.
Trippe, T. G.
Tsybychev, D.
Utes, M.
van Gemmeren, P.
Vaz, M.
Weber, M.
Wijngaarden, D. A.
Wish, J.
Womersley, J.
Yarema, R.
Ye, Z.
Zieminski, A.
Zimmerman, T.
Zverev, E. G.
TI The D0 Silicon Microstrip Tracker
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Tevatron; Dzero; Run II; Silicon detector
ID DETECTOR
AB This paper describes the mechanical design, the readout chain, the production, testing and the installation of the Silicon Microstrip Tracker of the D0 experiment at the Fermilab Tevatron collider. In addition, we describe the performance and operational experience of the detector during the experiment data collection between 2001 and 2010. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Asman, B.; Strandberg, J.; Strandberg, S.] Stockholm Univ, S-10691 Stockholm, Sweden.
[Vaz, M.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
[O'Neil, D. C.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada.
[Mao, H. S.] Inst High Energy Phys, Beijing 100039, Peoples R China.
[Simak, V.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Kajfasz, E.] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France.
[Fox, H.] Univ Freiburg, Inst Phys, Freiburg, Germany.
[Rapidis, P. A.] Natl Ctr Sci Res Demokritos, Athens, Greece.
[Ahmed, S. N.; Blekman, F.; de Jong, S. J.; Filthaut, F.; Galea, C. F.; Naumann, N. A.; Wijngaarden, D. A.] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands.
[Ermolov, P.; Karmanov, D.; Leflat, A.; Merkin, M.; Zverev, E. G.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Grinstein, S.; Otero y Garzon, G. J.] Univ Buenos Aires, Buenos Aires, DF, Argentina.
[Harder, K.] STFC Rutherford Appleton Lab, Chilton, England.
[Genik, R. J., II] Univ Lancaster, Lancaster, England.
[Petteni, M.] Univ London Imperial Coll Sci Technol & Med, London, England.
[Milgrome, O.] Univ Calif Berkeley, Radio Astron Lab, Berkeley, CA 94720 USA.
[Clark, A. R.; Trippe, T. G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Hall, R. E.] Calif State Univ Fresno, Fresno, CA 93740 USA.
[Tripathi, S. M.] Univ Calif Davis, Davis, CA 95616 USA.
[Bischoff, A.; Boswell, C.; Choi, S.; Ellison, J.; Gounder, K.; Heinson, A. P.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Kleinfelder, S.] Univ Calif Irvine, Irvine, CA 92697 USA.
[Hagopian, S.; Serritella, C.] Florida State Univ, Tallahassee, FL 32306 USA.
[Angstadt, R.; Aoki, M.; Austin, S.; Bagby, L.; Bowden, M.; Browning, F.; Burdin, S.; Butler, D.; Cease, H.; Cooper, A.; Cooper, W. E.; Demarteau, M.; Desai, S.; Derylo, G.; Fagan, J.; Fast, J.; Foglesong, J.; Gu, W.; Haggerty, H.; Hance, R.; Heger, P.; Howell, J.; Hrycyk, M.; Johnson, M.; Joestlein, H.; Juste, A.; Kowalski, J.; Krempetz, K.; Kulik, Y.; Lehner, F.; Lipton, R.; Mateski, J.; Matulik, M.; McKenna, M.; Montgomery, H. E.; Moua, S.; Nomerotski, A.; Olis, D.; Pawlak, J.; Ratzmann, P.; Roco, M.; Rucinski, R.; Schmitt, W.; Sellberg, G.; Squires, B.; Stredde, H.; Toukhtarov, A.; Utes, M.; van Gemmeren, P.; Weber, M.; Wish, J.; Womersley, J.; Yarema, R.; Ye, Z.; Zimmerman, T.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Gerber, C. E.; Shabalina, E.] Univ Illinois, Chicago, IL 60607 USA.
[Martin, M.; Mihalcea, D.; Rykalin, V.] No Illinois Univ, De Kalb, IL 60115 USA.
[Buchholz, D.; Schellman, H.] Northwestern Univ, Evanston, IL 60208 USA.
[Parua, N.; Zieminski, A.] Indiana Univ, Bloomington, IN 47405 USA.
[Baringer, P.; Bean, A.; Clutter, J.; Gardner, J.; Hover, D.; King, J.; Wijngaarden, D. A.] Univ Kansas, Lawrence, KS 66045 USA.
[Bolton, T. A.; Kahl, W.; Kubantsev, M.; Shabalina, E.; Sidwell, R. A.; Stanton, N. R.] Kansas State Univ, Manhattan, KS 66506 USA.
[Heintz, U.] Boston Univ, Boston, MA 02215 USA.
[Barberis, E.; Hesketh, G.] Northeastern Univ, Boston, MA 02115 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Iashvili, I.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Steinbrueck, G.] Columbia Univ, New York, NY 10027 USA.
[Demina, R.] Univ Rochester, Rochester, NY 14627 USA.
[Tsybychev, D.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Gutierrez, P.; Smith, E.; Strauss, M.] Univ Oklahoma, Norman, OK 73019 USA.
[Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Kesisoglou, S.; Landsberg, G.] Brown Univ, Providence, RI 02912 USA.
[Corcoran, M.] Rice Univ, Houston, TX 77005 USA.
[Lehner, F.] Univ Zurich, Zurich, Switzerland.
RP Asman, B (reprint author), Stockholm Univ, S-10691 Stockholm, Sweden.
EM bar@physto.se
RI Gutierrez, Phillip/C-1161-2011; Bolton, Tim/A-7951-2012; Merkin,
Mikhail/D-6809-2012; Leflat, Alexander/D-7284-2012; Nomerotski,
Andrei/A-5169-2010; Grinstein, Sebastian/N-3988-2014; Juste,
Aurelio/I-2531-2015;
OI Weber, Michele/0000-0002-2770-9031; Melnychuk,
Oleksandr/0000-0002-2089-8685; Filthaut, Frank/0000-0003-3338-2247;
Naumann, Axel/0000-0002-4725-0766; Gershtein, Yuri/0000-0002-4871-5449;
Blekman, Freya/0000-0002-7366-7098; Heinson, Ann/0000-0003-4209-6146;
Grinstein, Sebastian/0000-0002-6460-8694; Bean,
Alice/0000-0001-5967-8674; Juste, Aurelio/0000-0002-1558-3291; de Jong,
Sijbrand/0000-0002-3120-3367; Landsberg, Greg/0000-0002-4184-9380
FU DOE; NSF (USA); CEA; CNRS/IN2P3 (France); FASI; Rosatom; RFBR (Russia);
CNPq; FAPERJ; FAPESP; FUNDUNESP (Brazil); DAE; DST (India); Colciencias
(Colombia); CONACyT (Mexico); KRF; KOSEF (Korea); CONICET; UBACyT
(Argentina); FOM (The Netherlands); STFC; Royal Society (United
Kingdom); MSMT; GACR (Czech Republic); CRC Program; NSERC (Canada);
BMBF; DFG (Germany); SFI (Ireland); The Swedish Research Council
(Sweden); CAS; CNSF (China)
FX We thank the staff at Fermilab and in particular at SiDet, the D0
mechanical and electrical support personnel and all our D0 collaborators
for there support. Especially we would like thank George Ginther and
Susan Blessing for their thorough reading of the draft and for giving
countless useful comments and suggestions. We also acknowledge support
from the DOE and NSF (USA); CEA and CNRS/IN2P3 (France); FASI, Rosatom
and RFBR (Russia); CNPq, FAPERJ, FAPESP and FUNDUNESP (Brazil); DAE and
DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF and KOSEF
(Korea); CONICET and UBACyT (Argentina); FOM (The Netherlands); STFC and
the Royal Society (United Kingdom); MSMT and GACR (Czech Republic); CRC
Program and NSERC (Canada); BMBF and DFG (Germany); SFI (Ireland); The
Swedish Research Council (Sweden); and CAS and CNSF (China).
NR 15
TC 42
Z9 42
U1 1
U2 10
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD APR 1
PY 2011
VL 634
IS 1
BP 8
EP 46
DI 10.1016/j.nima.2010.11.121
PG 39
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 738LK
UT WOS:000288641100003
ER
PT J
AU Calhoun, TR
Fleming, GR
AF Calhoun, Tessa R.
Fleming, Graham R.
TI Quantum coherence in photosynthetic complexes
SO PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
LA English
DT Article
DE dynamics; energy transfer; excitons; structures; two-dimensional
electronic spectroscopy
ID ENERGY-TRANSFER; PHYSIOLOGICAL TEMPERATURE; EXCITONIC COHERENCE; ANTENNA
COMPLEXES; TRANSFER DYNAMICS; FMO PROTEIN; SPECTROSCOPY; RESOLUTION;
SYSTEMS
AB The initial steps of photosynthesis require the absorption and subsequent transfer of energy through an intricate network of pigment-protein complexes. Held within the protein scaffold of these complexes, chromophore molecules are densely packed and fixed in specific geometries relative to one another resulting in Coulombic coupling. Excitation energy transfer through these systems can be accomplished with near unity quantum efficiency [Wraight and Clayton, Biochim. Biophys. Acta 333, 246 (1974)]. While replication of this feat is desirable for artificial photosynthesis, the mechanism by which nature achieves this efficiency is unknown. Recent experiments have revealed the presence of long-lived quantum coherences in photosynthetic pigment-protein complexes spanning bacterial and plant species with a variety of functions and compositions. Its ubiquitous presence and wavelike energy transfer implicate quantum coherence as key to the high efficiency achieved by photosynthesis. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
C1 [Calhoun, Tessa R.; Fleming, Graham R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Calhoun, Tessa R.; Fleming, Graham R.] Univ Calif Berkeley, Lawrence Berkeley 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 Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy [DE-AC02-05CH11231]; Chemical Sciences, Geosciences, and
Biosciences Division, Office of Basic Energy Sciences, US Department of
Energy Sciences, of the US Department of Energy [DE-AC03-76SF000098]
FX This work was supported by the Director, Office of Science, Office of
Basic Energy Sciences, of the US Department of Energy under Contract
DE-AC02-05CH11231 and by the Chemical Sciences, Geosciences, and
Biosciences Division, Office of Basic Energy Sciences, US Department of
Energy Sciences, of the US Department of Energy under contract
DE-AC03-76SF000098.
NR 38
TC 15
Z9 15
U1 0
U2 9
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 0370-1972
J9 PHYS STATUS SOLIDI B
JI Phys. Status Solidi B-Basic Solid State Phys.
PD APR
PY 2011
VL 248
IS 4
BP 833
EP 838
DI 10.1002/pssb.201000856
PG 6
WC Physics, Condensed Matter
SC Physics
GA 741IB
UT WOS:000288856300008
ER
PT J
AU Kabuss, J
Carmele, A
Richter, M
Chow, WW
Knorr, A
AF Kabuss, Julia
Carmele, Alexander
Richter, Marten
Chow, Weng W.
Knorr, Andreas
TI Inductive equation of motion approach for a semiconductor QD-QED:
Coherence induced control of photon statistics
SO PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
LA English
DT Article
DE cavity-QED; photon statistics; quantum coherence; quantum dots; STIRAP
ID QUANTUM DOTS; POPULATION TRANSFER; EMITTERS
AB This paper presents an inductive method for the microscopic description of quantum dot (QD) QED. Our description reproduces known effects up to an arbitrary accuracy, and is extendable to typical semiconductor effects, like many electron- and phonon-interactions. As an application, this method is used to theoretically examine quantum coherence phenomena and their impact on photon statistics for a L-type semiconductor QD strongly coupled to a single mode cavity and simultaneously excited with an external laser. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
C1 [Kabuss, Julia; Carmele, Alexander; Richter, Marten; Knorr, Andreas] Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, D-10623 Berlin, Germany.
[Richter, Marten] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
[Chow, Weng W.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Kabuss, J (reprint author), Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, Hardenbergstr 36, D-10623 Berlin, Germany.
EM julia@itp.tu-berlin.de
RI Richter, Marten/B-7790-2008
OI Richter, Marten/0000-0003-4160-1008
FU Deutsche Forschungsgemeinschaft [Sfb 910]; US Department of Energy,
Office of Science, Office of Basic Energy Sciences
FX We acknowledge support from the Deutsche Forschungsgemeinschaft (Sfb
910), and the Solid-State Lighting Science Center, an Energy Frontier
Research Center (EFRC) funded by the US Department of Energy, Office of
Science, Office of Basic Energy Sciences.
NR 31
TC 13
Z9 13
U1 0
U2 6
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 0370-1972
J9 PHYS STATUS SOLIDI B
JI Phys. Status Solidi B-Basic Solid State Phys.
PD APR
PY 2011
VL 248
IS 4
BP 872
EP 878
DI 10.1002/pssb.201000851
PG 7
WC Physics, Condensed Matter
SC Physics
GA 741IB
UT WOS:000288856300017
ER
PT J
AU Zhang, W
Feng, Z
Crooker, P
AF Zhang, W.
Feng, Z.
Crooker, P.
TI Improved procedure for computing residual stresses from neutron
diffraction data and its application to multipass dissimilar welds
SO SCIENCE AND TECHNOLOGY OF WELDING AND JOINING
LA English
DT Article
DE Neutron diffraction; Residual stress; Dissimilar metal weld; Austenitic
stainless steel; Nickel alloy; Stress free lattice spacing
ID X-RAY-DIFFRACTION; PHASE-TRANSFORMATIONS; LATTICE-PARAMETER;
STAINLESS-STEEL; ARC WELDS; SPECIMEN; METAL; HEAT
AB Neutron diffraction is an important tool for residual stress measurement in welded structures. The calculation of stresses from measured lattice spacings generally requires the stress free lattice spacing a priori. For dissimilar metal welds common to nuclear reactor pipeline systems, the stress free lattice spacing is a complex function of position due to the chemistry and microstructure inhomogeneity in the weld region, and its experimental determination can be both time consuming and unreliable. An improved approach is developed to calculate the residual stress field without the use of stress free lattice spacing. Its applicability is examined and justified in two multipass dissimilar metal welds made of 304L stainless steel plate and nickel alloy 82 filler metal using different heat inputs. The spatial variation in stress free lattice spacing is qualitatively discussed using the weld metal dilution mechanism. The improved approach is shown to be simple and practical for residual stress determination in dissimilar metal welds.
C1 [Zhang, W.; Feng, Z.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
[Crooker, P.] Elect Power Res Inst, Palo Alto, CA USA.
RP Zhang, W (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
EM zhangw@ornl.gov
RI Feng, Zhili/H-9382-2012; Zhang, Wei/B-9471-2013
OI Feng, Zhili/0000-0001-6573-7933;
FU ORNL; US Department of Energy
FX This research is sponsored by the Laboratory Directed Research and
Development Program of ORNL, managed by UT-Battelle, LLC, for the US
Department of Energy. The neutron diffraction and deep hole drilling
data are provided by the EPRI and the US NRC Joint Welding Residual
Stress Validation Program. 21 The authors would like to thank Dr David
Rudland of US NRC for sharing the predicted weld residual stresses.
Finally, the authors appreciate valuable discussion with Dr Camden
Hubbard of ORNL, Dr Mathew Kerr of US NRC and Mr John Broussard, III and
Mr Matthew Klug of Dominion Engineering, Inc.
NR 24
TC 7
Z9 7
U1 0
U2 13
PU MANEY PUBLISHING
PI LEEDS
PA STE 1C, JOSEPHS WELL, HANOVER WALK, LEEDS LS3 1AB, W YORKS, ENGLAND
SN 1362-1718
J9 SCI TECHNOL WELD JOI
JI Sci. Technol. Weld. Join.
PD APR
PY 2011
VL 16
IS 3
BP 254
EP 260
DI 10.1179/1362171810Y.0000000023
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 741HO
UT WOS:000288855000010
ER
PT J
AU Cui, YL
Hawrami, R
Tupitysn, E
Bhattacharya, P
Groza, M
Bryant, M
Buliga, V
Burger, A
Cherepy, NJ
Payne, SA
AF Cui, Yunlong
Hawrami, R.
Tupitysn, Eugen
Bhattacharya, Pijush
Groza, Mike
Bryant, Mark
Buliga, Vladimir
Burger, Arnold
Cherepy, Nerine J.
Payne, S. A.
TI Raman spectroscopy study of BaI2:Eu and SrI2:Eu scintillator crystals
SO SOLID STATE COMMUNICATIONS
LA English
DT Article
DE Crystal growth; Crystal structure and symmetry
ID LIGHT-SCATTERING; SPECTRUM; PBCL2
AB Europium-doped barium and strontium iodide crystals are high light yield scintillator materials with excellent energy resolution. In this communication, BaI2:Eu and SrI2:Eu single crystals with space groups of Pnma (D-2h(16)) and Pbca (D-2h(15)) respectively were grown from the vertical Bridgman method. The crystals were investigated with polarized Raman spectroscopy at temperatures varied from 77 to 300 K. The observed Raman-active modes for each crystal were assigned with the help of group theory analysis. It is found that the absence of the site symmetry leads to splitting of a spectral line in Pnma structure into two lines in the Pbca structure. Structural defects including dark spots formed during crystal growth and new species produced from hydration were characterized. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Cui, Yunlong; Hawrami, R.; Tupitysn, Eugen; Bhattacharya, Pijush; Groza, Mike; Bryant, Mark; Buliga, Vladimir; Burger, Arnold] Fisk Univ, Dept Phys, Nashville, TN 37208 USA.
[Cherepy, Nerine J.; Payne, S. A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Cui, YL (reprint author), Fisk Univ, Dept Phys, Nashville, TN 37208 USA.
EM ycui@fisk.edu
RI Cherepy, Nerine/F-6176-2013
OI Cherepy, Nerine/0000-0001-8561-923X
FU DOE/NNSA [DE-AC52-07NA27344]; NSF [CA-0420516]
FX The authors acknowledge partial financial support provided by the
DOE/NNSA under contract No. DE-AC52-07NA27344. The authors at Fisk
University gratefully acknowledge financial support from the
NSF-supported Center of Research Excellence in Science and Technology
(CREST, Cooperative Agreement CA-0420516). The authors would also like
to thank Dr. Silberman for his valuable suggestions.
NR 17
TC 3
Z9 3
U1 1
U2 7
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0038-1098
J9 SOLID STATE COMMUN
JI Solid State Commun.
PD APR
PY 2011
VL 151
IS 7
BP 541
EP 544
DI 10.1016/j.ssc.2010.12.041
PG 4
WC Physics, Condensed Matter
SC Physics
GA 739SQ
UT WOS:000288738700008
ER
PT J
AU Torn, MS
Biraud, SC
Still, CJ
Riley, WJ
Berry, JA
AF Torn, Margaret S.
Biraud, Sebastien C.
Still, Christopher J.
Riley, William J.
Berry, Joe A.
TI Seasonal and interannual variability in C-13 composition of ecosystem
carbon fluxes in the U.S. Southern Great Plains
SO TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY
LA English
DT Article
ID ATMOSPHERIC CO2; ISOTOPE DISCRIMINATION; TALLGRASS PRAIRIE;
STABLE-ISOTOPES; C-4 GRASSES; GLOBAL DISTRIBUTION; EDDY COVARIANCE; AIR
SAMPLES; WATER-VAPOR; EXCHANGE
AB The delta 13C value of terrestrial CO2 fluxes (delta(bio)) provides important information for inverse models of CO2 sources and sinks as well as for studies of vegetation physiology, C-3 and C-4 vegetation fluxes, and ecosystem carbon residence times. From 2002-2009, we measured atmospheric CO2 concentration and delta 13C-CO2 at four heights (2 to 60 m) in the U.S. Southern Great Plains (SGP) and computed delta(bio) weekly. This region has a fine-scale mix of crops (primarily C-3 winter wheat) and C-4 pasture grasses. delta(bio) had a large and consistent seasonal cycle of 6-8 parts per thousand. Ensemble monthly mean delta(bio) ranged from -25.8 +/- 0.4 parts per thousand (+/- SE) in March to -20.1 +/- 0.4 parts per thousand in July. Thus, C-3 vegetation contributed about 80% of ecosystem fluxes in winter-spring and 50% in summer-fall. In contrast, prairie-soil delta 13C values were about -15 parts per thousand, indicating that historically the region was dominated by C-4 vegetation and had more positive delta(bio) values. Based on a land-surface model, isofluxes (delta(bio) x NEE) in this region have large seasonal amplitude because delta(bio) and net ecosystem exchange (NEE) covary. Interannual variability in isoflux was driven by variability in NEE. The large seasonal amplitude in delta(bio) and isoflux imply that carbon inverse analyses require accurate estimates of land cover and temporally resolved 13CO(2) and CO2 fluxes.
C1 [Torn, Margaret S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Torn, Margaret S.] UC Berkeley, Berkeley, CA 94720 USA.
[Biraud, Sebastien C.; Riley, William J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Berry, Joe A.] Carnegie Inst Washington, Dept Global Ecol, Washington, DC 20005 USA.
[Still, Christopher J.] Univ Calif Santa Barbara, Dept Geog, Santa Barbara, CA 93106 USA.
RP Torn, MS (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,90R111, Berkeley, CA 94720 USA.
EM mstorn@lbl.gov
RI Berry, Joseph/B-8211-2009; Biraud, Sebastien/M-5267-2013; Riley,
William/D-3345-2015; Torn, Margaret/D-2305-2015
OI Berry, Joseph/0000-0002-5849-6438; Biraud,
Sebastien/0000-0001-7697-933X; Riley, William/0000-0002-4615-2304;
FU Office of Biological and Environmental Research of the U.S. Department
of Energy [DE-AC02-05CH11231]
FX We thank Larry Giles, Marc Fischer, Cristina Castanha, and Deb Williard
for assistance with sampling and sample analysis, USDA Grazinglands
Research Laboratory for site access and NOAAESRL for atmospheric network
observations, the GLOBALVIEW product, and calibration standards. This
research was supported by the Office of Biological and Environmental
Research of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231 as part of the Atmospheric Radiation Measurement
Program.
NR 70
TC 10
Z9 10
U1 2
U2 12
PU CO-ACTION PUBLISHING
PI JARFALLA
PA RIPVAGEN 7, JARFALLA, SE-175 64, SWEDEN
SN 0280-6509
J9 TELLUS B
JI Tellus Ser. B-Chem. Phys. Meteorol.
PD APR
PY 2011
VL 63
IS 2
BP 181
EP 195
DI 10.1111/j.1600-0889.2010.00519.x
PG 15
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 736TG
UT WOS:000288516400003
ER
PT J
AU Pebay, P
Rojas, JM
Thompson, DC
AF Pebay, Philippe
Rojas, J. Maurice
Thompson, David C.
TI Optimizing n-variate (n plus k)-nomials for small k
SO THEORETICAL COMPUTER SCIENCE
LA English
DT Article
DE Optimizing; Sparse; BSS model; Real; Exponential sum; Polynomial-time;
Circuit; Approximate; Condition number
ID POLYNOMIAL OPTIMIZATION; SDP-RELAXATIONS; REAL; COMPUTATION; COMPLEXITY
AB We give a high precision polynomial-time approximation scheme for the supremum of any honest n-variate (n + 2)-nomial with a constant term, allowing real exponents as well as real coefficients. Our complexity bounds count field operations and inequality checks, and are quadratic in n and the logarithm of a certain condition number. For the special case of n-variate (n + 2)-nomials with integer exponents, the log of our condition number is sub-quadratic in the sparse size. The best previous complexity bounds were exponential in the sparse size, even for n fixed. Along the way, we partially extend the theory of Viro diagrams and A-discriminants to real exponents. We also show that, for any fixed delta > 0, deciding whether the supremum of an n-variate (n + n(delta))-nomial exceeds a given number is NP(R)-complete. (C) 2011 Published by Elsevier B.V.
C1 [Pebay, Philippe; Thompson, David C.] Sandia Natl Labs, Livermore, CA 94551 USA.
[Rojas, J. Maurice] Texas A&M Univ, Dept Math, College Stn, TX 77843 USA.
RP Pebay, P (reprint author), Sandia Natl Labs, POB 969,MS 9159, Livermore, CA 94551 USA.
EM pppebay@sandia.gov; rojas@math.tamu.edu; dcthomp@sandia.gov
OI Pebay, Philippe/0000-0002-2311-3775
FU MSRI; Wenner Gren Foundation; US Dept. of Energy, Office of Defense; US
Dept. of Energy [DE-AC04-94AL85000]; NSF [DMS-0915245, DMS-0349309]; DOE
ASCR [DE-SC0002505]; Sandia National Laboratories
FX We thank Eric Allender, Peter Burgisser, Felipe Cucker, Johan Hastad,
and Gregorio Malajovich for discussions on complexity classes over R.
The second author would also like to thank MSRI and the Wenner Gren
Foundation for their support during the completion of this paper. In
particular, special thanks go to Mikael Passare and Boris Shapiro of
Stockholm University for their generous hospitality while this paper was
completed. Finally, we thank the referees for their valuable suggestions
which helped greatly to improve this paper.; The first and third authors
were supported by the US Dept. of Energy, Office of Defense Programs.
Sandia is a multiprogram laboratory operated by Sandia Corp., a Lockheed
Martin Company, for the US Dept. of Energy under contract
DE-AC04-94AL85000. The second author was partially supported by NSF
grants DMS-0915245, DMS-0349309, DOE ASCR grant DE-SC0002505, and Sandia
National Laboratories.
NR 33
TC 2
Z9 2
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0304-3975
J9 THEOR COMPUT SCI
JI Theor. Comput. Sci.
PD APR 1
PY 2011
VL 412
IS 16
BP 1457
EP 1469
DI 10.1016/j.tcs.2010.11.053
PG 13
WC Computer Science, Theory & Methods
SC Computer Science
GA 739PL
UT WOS:000288730100003
ER
PT J
AU Basagni, S
Carosi, A
Petrioli, C
Phillips, CA
AF Basagni, Stefano
Carosi, Alessio
Petrioli, Chiara
Phillips, Cynthia A.
TI Coordinated and controlled mobility of multiple sinks for maximizing the
lifetime of wireless sensor networks
SO WIRELESS NETWORKS
LA English
DT Article
DE Wireless sensor networks; Mobility management; Sink mobility; Multi-sink
mobile sensor networks
ID MODELS
AB We define scalable models and distributed heuristics for the concurrent and coordinated movement of multiple sinks in a wireless sensor network, a case that presents significant challenges compared to the widely investigated case of a single mobile sink. Our objective is that of maximizing the network lifetime defined as the time from the start of network operations till the failure of the first node. We contribute to this problem providing three new results. We first define a linear program (LP) whose solution provides a provable upper bound on the maximum lifetime possible for any given number of sinks. We then develop a centralized heuristic that runs in polynomial time given the solution to the LP. We also define a deployable distributed heuristic for coordinating the motion of multiple sinks through the network. We demonstrate the performance of the proposed heuristics via ns2-based simulations. The observed results show that our distributed heuristic achieves network lifetimes that are remarkably close to the optimum ones, resulting also in significant improvements over the cases of deploying the sinks statically, of random sink mobility and of heuristics previously proposed for restricted sink movements.
C1 [Carosi, Alessio; Petrioli, Chiara] Univ Roma La Sapienza, Dipartimento Informat, Rome, Italy.
[Basagni, Stefano] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA.
[Phillips, Cynthia A.] Sandia Natl Labs, Discrete Math & Complex Syst Dept, Albuquerque, NM 87185 USA.
[Petrioli, Chiara] Univ Roma La Sapienza, Dept Comp Sci, Rome, Italy.
RP Petrioli, C (reprint author), Univ Roma La Sapienza, Dipartimento Informat, Rome, Italy.
EM basagni@ece.neu.edu; carosi@di.uniroma1.it; petrioli@di.uniroma1.it;
caphill@sandia.gov
RI Petrioli, Chiara/F-6297-2012;
OI Petrioli, Chiara/0000-0002-3240-5075
FU NSF [0738720]; EU [215923]; United States Department of Energy's
National Nuclear Security Administration [DE-AC04-94AL85000]
FX The authors are grateful to Bob Carr of Sandia National Laboratories for
useful comments on the topics of this paper. This work was partially
supported by NSF grant #0738720 and by the FP7 EU project "SENSEI,
Integrating the Physical with the Digital World of the Network of the
Future," Grant Agreement Number 215923, http://www.ict-sensei.org.
Sandia is a multipurpose 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 29
TC 26
Z9 26
U1 0
U2 6
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1022-0038
J9 WIREL NETW
JI Wirel. Netw.
PD APR
PY 2011
VL 17
IS 3
BP 759
EP 778
DI 10.1007/s11276-010-0313-8
PG 20
WC Computer Science, Information Systems; Engineering, Electrical &
Electronic; Telecommunications
SC Computer Science; Engineering; Telecommunications
GA 737FS
UT WOS:000288555100014
ER
PT J
AU Diskin, M
Evans, A
AF Diskin, Michael
Evans, Alex
TI Special Issue Reproductive Cycles of Animals Preface
SO ANIMAL REPRODUCTION SCIENCE
LA English
DT Editorial Material
C1 [Diskin, Michael] TEAGASC, Agr & Food Dev Author, Galway, Athenry, Ireland.
[Evans, Alex] Univ Coll Dublin, Sch Agr & Food Sci, Dublin 4, Ireland.
RP Diskin, M (reprint author), TEAGASC, Agr & Food Dev Author, Mellows Campus, Galway, Athenry, Ireland.
EM michael.diskin@teagasc.ie; alex.evans@ucd.ie
RI Mc Loughlin, Niamh/K-7229-2012
NR 0
TC 0
Z9 0
U1 0
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-4320
J9 ANIM REPROD SCI
JI Anim. Reprod. Sci.
PD APR
PY 2011
VL 124
IS 3-4
SI SI
BP 147
EP 147
DI 10.1016/j.anireprosci.2011.02.026
PG 1
WC Agriculture, Dairy & Animal Science; Reproductive Biology
SC Agriculture; Reproductive Biology
GA 787DJ
UT WOS:000292356500001
PM 21397414
ER
PT J
AU Ashfaq, M
Skinner, CB
Diffenbaugh, NS
AF Ashfaq, Moetasim
Skinner, Christopher B.
Diffenbaugh, Noah S.
TI Influence of SST biases on future climate change projections
SO CLIMATE DYNAMICS
LA English
DT Article
DE Climate change; Sea surface temperature; Global climate modeling
ID TROPICAL ATLANTIC SECTOR; SEA-SURFACE TEMPERATURE; MODEL VERSION-3 CAM3;
DOUBLE-ITCZ PROBLEM; UPPER-OCEAN BIASES; ATMOSPHERIC CIRCULATION; CCSM3;
PACIFIC; MONSOON; VARIABILITY
AB We use a quantile-based bias correction technique and a multi-member ensemble of the atmospheric component of NCAR CCSM3 (CAM3) simulations to investigate the influence of sea surface temperature (SST) biases on future climate change projections. The simulations, which cover 1977-1999 in the historical period and 2077-2099 in the future (A1B) period, use the CCSM3-generated SSTs as prescribed boundary conditions. Bias correction is applied to the monthly time-series of SSTs so that the simulated changes in SST mean and variability are preserved. Our comparison of CAM3 simulations with and without SST correction shows that the SST biases affect the precipitation distribution in CAM3 over many regions by introducing errors in atmospheric moisture content and upper-level (lower-level) divergence (convergence). Also, bias correction leads to significantly different precipitation and surface temperature changes over many oceanic and terrestrial regions (predominantly in the tropics) in response to the future anthropogenic increases in greenhouse forcing. The differences in the precipitation response from SST bias correction occur both in the mean and the percent change, and are independent of the ocean-atmosphere coupling. Many of these differences are comparable to or larger than the spread of future precipitation changes across the CMIP3 ensemble. Such biases can affect the simulated terrestrial feedbacks and thermohaline circulations in coupled climate model integrations through changes in the hydrological cycle and ocean salinity. Moreover, biases in CCSM3-generated SSTs are generally similar to the biases in CMIP3 ensemble mean SSTs, suggesting that other GCMs may display a similar sensitivity of projected climate change to SST errors. These results help to quantify the influence of climate model biases on the simulated climate change, and therefore should inform the effort to further develop approaches for reliable climate change projection.
C1 [Ashfaq, Moetasim; Skinner, Christopher B.; Diffenbaugh, Noah S.] Stanford Univ, Dept Environm Earth Syst Sci, Stanford, CA 94305 USA.
[Ashfaq, Moetasim; Skinner, Christopher B.; Diffenbaugh, Noah S.] Purdue Univ, Dept Earth & Atmospher Sci, W Lafayette, IN 47907 USA.
[Ashfaq, Moetasim] Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN USA.
[Diffenbaugh, Noah S.] Stanford Univ, Woods Inst Environm, Stanford, CA 94305 USA.
RP Ashfaq, M (reprint author), Stanford Univ, Dept Environm Earth Syst Sci, 473 Via Ortega, Stanford, CA 94305 USA.
EM moetasim@stanford.edu
RI Ashfaq, Moetasim/A-4183-2009; Diffenbaugh, Noah/I-5920-2014
OI Diffenbaugh, Noah/0000-0002-8856-4964
FU NSF [0450221]; DOE [DE-FG02-08ER64649, DE-SC0001483]; World Bank's Trust
FX We thank two anonymous reviewers for their constructive and insightful
comments. This work was supported in part by NSF award 0450221, DOE
awards DE-FG02-08ER64649 and DE-SC0001483, and by the World Bank's Trust
Fund for Environmentally and Socially Sustainable Development. The CAM3
simulations and analyses were enabled by computational resources
provided by Information Technology at Purdue (the Rosen Center for
Advanced Computing, West Lafayette, Indiana). We thank the CCSM Climate
Change Working group at NCAR for access to the CCSM3 simulations. NCEP
Reanalysis data were provided by the NOAA/OAR/ESRL PSD, Boulder,
Colorado, USA, from their Web site at http://www.cdc.noaa.gov/. This is
PCCRC paper number 0922.
NR 40
TC 28
Z9 29
U1 0
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0930-7575
EI 1432-0894
J9 CLIM DYNAM
JI Clim. Dyn.
PD APR
PY 2011
VL 36
IS 7-8
BP 1303
EP 1319
DI 10.1007/s00382-010-0875-2
PG 17
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 744PA
UT WOS:000289105300006
ER
PT J
AU Kuo, LJ
Louchouarn, P
Herbert, BE
Brandenberger, JM
Wade, TL
Crecelius, E
AF Kuo, Li-Jung
Louchouarn, Patrick
Herbert, Bruce E.
Brandenberger, Jill M.
Wade, Terry L.
Crecelius, Eric
TI Combustion-derived substances in deep basins of Puget Sound: Historical
inputs from fossil fuel and biomass combustion
SO ENVIRONMENTAL POLLUTION
LA English
DT Article
DE Black carbon; Char; Levoglucosan; Climate oscillations; Pacific
Northwest
ID POLYCYCLIC AROMATIC-HYDROCARBONS; NEW-YORK-CITY; BLACK CARBON;
UNITED-STATES; MOLECULAR MARKER; OXIDATION METHOD; LAKE-SEDIMENTS;
RECORD; 20TH-CENTURY; LEVOGLUCOSAN
AB Reconstructions of 250 years historical inputs of two distinct types of black carbon (soot/graphitic black carbon (GBC) and char-BC) were conducted on sediment cores from two basins of the Puget Sound, WA. Signatures of polycyclic aromatic hydrocarbons (PAHs) were also used to support the historical reconstructions of BC to this system. Down-core maxima in GBC and combustion-derived PAHs occurred in the 1940s in the cores from the Puget Sound Main Basin, whereas in Hood Canal such peak was observed in the 1970s, showing basin-specific differences in inputs of combustion byproducts. This system showed relatively higher inputs from softwood combustion than the northeastern U.S. The historical variations in char-BC concentrations were consistent with shifts in climate indices, suggesting an influence of climate oscillations on wildfire events. Environmental loading of combustion byproducts thus appears as a complex function of urbanization, fuel usage, combustion technology, environmental policies, and climate conditions. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Kuo, Li-Jung; Herbert, Bruce E.] Texas A&M Univ, Dept Geol & Geophys, College Stn, TX 77843 USA.
[Louchouarn, Patrick] Texas A&M Univ, Dept Marine Sci, Galveston, TX 77551 USA.
[Louchouarn, Patrick] Texas A&M Univ, Dept Oceanog, College Stn, TX 77843 USA.
[Kuo, Li-Jung; Brandenberger, Jill M.; Crecelius, Eric] Pacific NW Natl Lab, Marine Sci Lab, Sequim, WA 98382 USA.
[Wade, Terry L.] Texas A&M Univ, Geochem & Environm Res Grp, College Stn, TX 78433 USA.
RP Kuo, LJ (reprint author), Pacific NW Natl Lab, Marine Sci Lab, Sequim, WA 98382 USA.
EM Li-Jung.Kuo@pnl.gov
RI Wade, Terry/A-4012-2012; Herbert, Bruce/K-4744-2013; Herbert,
Bruce/L-2170-2015
OI Herbert, Bruce/0000-0002-6736-1148; Herbert, Bruce/0000-0002-6736-1148
FU National Oceanic and Atmospheric Administration Coastal Hypoxia Research
Program [NA05NOS4781203]
FX This research was funded in part from National Oceanic and Atmospheric
Administration Coastal Hypoxia Research Program (grant NA05NOS4781203).
We also thank Danielle Aguirre, Lisa McDonald, Jose Sericano, and Gilvan
Yogui for their technique supports. We acknowledge the reviews from two
anonymous reviewers whose comments greatly helped improve the
manuscript.
NR 55
TC 23
Z9 23
U1 1
U2 27
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0269-7491
EI 1873-6424
J9 ENVIRON POLLUT
JI Environ. Pollut.
PD APR
PY 2011
VL 159
IS 4
BP 983
EP 990
DI 10.1016/j.envpol.2010.12.012
PG 8
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 734SJ
UT WOS:000288357800021
PM 21236534
ER
PT J
AU Frommer, J
Voegelin, A
Dittmar, J
Marcus, MA
Kretzschmar, R
AF Frommer, J.
Voegelin, A.
Dittmar, J.
Marcus, M. A.
Kretzschmar, R.
TI Biogeochemical processes and arsenic enrichment around rice roots in
paddy soil: results from micro-focused X-ray spectroscopy
SO EUROPEAN JOURNAL OF SOIL SCIENCE
LA English
DT Article
ID ORYZA-SATIVA L.; IRON PLAQUE; TEMPORAL VARIABILITY;
SPATIAL-DISTRIBUTION; INTERNAL AERATION; FERROUS IRON; PLANT-ROOTS;
RHIZOSPHERE; ACCUMULATION; SPECIATION
AB The spatial distribution and speciation of iron (Fe), manganese (Mn) and arsenic (As) around rice roots grown in an As-affected paddy field in Bangladesh were investigated on soil sampled after rice harvest. Synchrotron micro-X-ray fluorescence spectrometry on soil thin sections revealed that roots influence soil Fe, Mn and As distribution up to 1 mm away from the root-soil interface. Around thick roots (diameter around 500 mu m), Mn was concentrated in discrete enrichments close to the root surface without associated As, whereas concentric Fe accumulations formed farther away and were closely correlated with As accumulations. Near thin roots (diameter < 100 mu m), in contrast, a pronounced enrichment of Fe and As next to the root surface and a lack of Mn enrichments was observed. X-ray absorption fine structure spectroscopy suggested that (i) accumulated Fe was mainly contained in a two-line ferrihydrite-like phase, (ii) associated As was mostly As(V) and (iii) Mn enrichments consisted of Mn(III/IV) oxyhydroxides. The distinct enrichment patterns can be related to the extent of O(2) release from primary and lateral rice roots and the thermodynamics and kinetics of Fe, Mn and As redox transformations. Our results suggest that in addition to Fe(III) plaque at the root surface, element accumulation and speciation in the surrounding rhizosphere soil must be taken into account when addressing the transfer of nutrients or contaminants into rice roots.
C1 [Voegelin, A.] Swiss Fed Inst Aquat Sci & Technol, Eawag, CH-8600 Dubendorf, Switzerland.
[Frommer, J.; Dittmar, J.; Kretzschmar, R.] ETH, Dept Environm Sci, Inst Biogeochem & Pollutant Dynam, Soil Chem Grp,CHN, CH-8092 Zurich, Switzerland.
[Marcus, M. A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Voegelin, A (reprint author), Swiss Fed Inst Aquat Sci & Technol, Eawag, Uberlandstr 133, CH-8600 Dubendorf, Switzerland.
EM andreas.voegelin@eawag.ch
RI Voegelin, Andreas/B-4018-2009; Kretzschmar, Ruben/B-4579-2016
OI Voegelin, Andreas/0000-0003-2873-8966; Kretzschmar,
Ruben/0000-0003-2587-2430
FU Office of Science, Office of Basic Energy Sciences, Materials Sciences
Division, of the US Department of Energy [DE-AC03-76SF00098]; Swiss
National Science Foundation [200021-105612, 200020-113654]
FX We thank Kurt Barmettler for technical support and Marc Herrmann for
performing the sequential extraction. Mirjam Kiczka, Jan Wiederhold,
Olivier Jacquat and Peter Brack are acknowledged for providing reference
phases. We acknowledge the HASYLAB, the ANKA, the ESRF and the ALS for
provision of synchrotron radiation facilities. Edmund Welter (HASYLAB),
Sirine Fakra (ALS), Herman Emerich, Wouter van Beek (both ESRF) and
Stefan Mangold (ANKA) are thanked for their assistance during data
collection. The ALS is supported by the Director, Office of Science,
Office of Basic Energy Sciences, Materials Sciences Division, of the US
Department of Energy under Contract No DE-AC03-76SF00098 at Lawrence
Berkeley National Laboratory. Part of this work was funded by the Swiss
National Science Foundation through grants No 200021-105612 and
200020-113654.
NR 42
TC 26
Z9 29
U1 9
U2 64
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1351-0754
J9 EUR J SOIL SCI
JI Eur. J. Soil Sci.
PD APR
PY 2011
VL 62
IS 2
BP 305
EP 317
DI 10.1111/j.1365-2389.2010.01328.x
PG 13
WC Soil Science
SC Agriculture
GA 736OD
UT WOS:000288503100011
ER
PT J
AU Genetos, DC
Karin, NJ
Geist, DJ
Donahue, HJ
Duncan, RL
AF Genetos, Damian C.
Karin, Norman J.
Geist, Derik J.
Donahue, Henry J.
Duncan, Randall L.
TI Purinergic signaling is required for fluid shear stress-induced NF-kappa
B translocation in osteoblasts
SO EXPERIMENTAL CELL RESEARCH
LA English
DT Article
DE Osteoblast; Mechanotransduction; Purinergic; NF-kappa B; P2Y(6); P2X(7);
Lysophosphatidic acid; ERK1/2
ID FOCAL ADHESION KINASE; LYSOPHOSPHATIDIC ACID; MC3T3-E1 OSTEOBLASTS;
INTRAMEDULLARY PRESSURE; CELL-PROLIFERATION; ENDOTHELIAL-CELLS; RECEPTOR
SUBTYPES; P2X(7) RECEPTORS; MLO-Y4 CELLS; ATP RELEASE
AB Fluid shear stress regulates gene expression in osteoblasts, in part by activation of the transcription factor NF-kappa B. We examined whether this process was under the control of purinoceptor activation. MC3T3-E1 osteoblasts under static conditions expressed the NF-kappa B inhibitory protein I kappa B alpha and exhibited cytosolic localization of NF-kappa B. Under fluid shear stress, I kappa B alpha levels decreased, and concomitant nuclear localization of NF-kappa B was observed. Cells exposed to fluid shear stress in ATP-depleted medium exhibited no significant reduction in I kappa B alpha, and NF-kappa B remained within the cytosol. Similar results were found using oxidized ATP or Brilliant Blue G, P2X(7) receptor antagonists, indicating that the P2X7 receptor is responsible for fluid shear-stress-induced I kappa B alpha degradation and nuclear accumulation of NF-kappa B. Pharmacologic blockage of the P2Y6 receptor also prevented shear-induced I kappa B alpha degradation. These phenomena involved neither ERK1/2 signaling nor autocrine activation by P2X(7)-generated lysophosphatidic acid. Our results suggest that fluid shear stress regulates NF-kappa B activity through the P2Y(6) and P2X(7) receptor. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Genetos, Damian C.] UC Davis, Dept Anat Cell Biol & Physiol, Sch Vet Med, Davis, CA 95616 USA.
[Karin, Norman J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Geist, Derik J.; Duncan, Randall L.] Indiana Univ Sch Med, Dept Orthopaed Surg, Indianapolis, IN USA.
[Donahue, Henry J.] Penn State Coll Med, Div Musculoskeletal Sci, Dept Orthopaed & Rehabil, Hershey, PA USA.
RP Genetos, DC (reprint author), UC Davis, Dept Anat Cell Biol & Physiol, Sch Vet Med, 1321 Haring Hall, Davis, CA 95616 USA.
EM dgenetos@ucdavis.edu
RI Genetos, Damian/A-6480-2012;
OI Genetos, Damian/0000-0002-8599-2867
FU NIH NIAMS [AR051901]; NIA [AG13087]; NIAMS [AR055192, AR057547]
FX NIH NIAMS AR051901 (RLD), NIA AG13087 (HJD), NIAMS AR055192 (NJK) and
NIAMS AR057547 (DCG) supported the work described within.
NR 67
TC 9
Z9 12
U1 0
U2 7
PU ELSEVIER INC
PI SAN DIEGO
PA 525 B STREET, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0014-4827
J9 EXP CELL RES
JI Exp. Cell Res.
PD APR 1
PY 2011
VL 317
IS 6
BP 737
EP 744
DI 10.1016/j.yexcr.2011.01.007
PG 8
WC Oncology; Cell Biology
SC Oncology; Cell Biology
GA 736VE
UT WOS:000288522300004
PM 21237152
ER
PT J
AU Brunger, A
Strop, P
Vrljic, M
Chu, S
Weninger, K
AF Brunger, Axel
Strop, Pavel
Vrljic, Marija
Chu, Steven
Weninger, Keith
TI Towards Structural Biology with Single Molecules
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Brunger, Axel; Strop, Pavel; Vrljic, Marija] Stanford Univ, HHMI, Stanford, CA 94305 USA.
[Chu, Steven] US DOE, Washington, DC USA.
[Weninger, Keith] N Carolina State Univ, Raleigh, NC 27695 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708402359
ER
PT J
AU Cheng, K
La Riviere, P
De Carlo, F
Xiao, XH
Clark, D
Xin, XY
Kindlmann, G
AF Cheng, Keith
La Riviere, Patrick
De Carlo, Francesco
Xiao, Xianghui
Clark, Darin
Xin, Xuying
Kindlmann, Gordon
TI Whole-body 3D imaging at cell resolutions to define the phenomic
landscape for genes, chemicals, and diseases
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Cheng, Keith; Clark, Darin; Xin, Xuying] Gittlen Canc Res Fdn, Hershey, PA USA.
[Cheng, Keith; Clark, Darin; Xin, Xuying] Penn State Coll Med, Div Expt Pathol, Hershey, PA USA.
[La Riviere, Patrick] U Chicago, Dept Radiol, Chicago, IL USA.
[De Carlo, Francesco; Xiao, Xianghui] Argonne Natl Labs, Argonne, IL USA.
[Kindlmann, Gordon] Univ Chicago, Dept Comp Sci, Chicago, IL 60637 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708405307
ER
PT J
AU DeBuhr, AL
Stanley, C
Rowe, E
Grese, L
O'Neill, H
Berthelier, V
AF DeBuhr, Amanda Leilah
Stanley, Christopher
Rowe, Erica
Grese, Laura
O'Neill, Hugh
Berthelier, Valerie
TI Investigating the Structure and Binding of Intrinsically Disordered
Proteins
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [DeBuhr, Amanda Leilah; Rowe, Erica; Grese, Laura; Berthelier, Valerie] Univ Tennessee, Hlth Sci Ctr, Grad Sch Med, Knoxville, TN USA.
[Stanley, Christopher; Rowe, Erica; Grese, Laura; O'Neill, Hugh] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN USA.
NR 0
TC 0
Z9 0
U1 0
U2 3
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708406411
ER
PT J
AU Deng, B
Parthasarathy, S
Wang, WF
Sturms, R
Hargrove, M
Gibney, B
Battaile, K
Lovell, S
Benson, D
Zhu, H
AF Deng, Bin
Parthasarathy, Sudharsan
Wang, WenFang
Sturms, Ryan
Hargrove, Mark
Gibney, Brian
Battaile, Kevin
Lovell, Scott
Benson, David
Zhu, Hao
TI Structural basis of Ncb5or, a multi-domain redox enzyme implicated in
diabetes and lipid metabolism
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Deng, Bin; Wang, WenFang; Zhu, Hao] Univ Kansas, Med Ctr, Kansas City, KS 66103 USA.
[Parthasarathy, Sudharsan; Lovell, Scott; Benson, David] Univ Kansas, Lawrence, KS 66045 USA.
[Sturms, Ryan; Hargrove, Mark] Iowa State Univ, Ames, IA USA.
[Gibney, Brian] CUNY Brooklyn Coll, Brooklyn, NY 11210 USA.
[Battaile, Kevin] Argonne Natl Lab, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 2
U2 2
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708406615
ER
PT J
AU Devkota, S
Wang, YW
Antonopoulos, D
Chang, EB
AF Devkota, Suzanne
Wang, Yunwei
Antonopoulos, Dion
Chang, Eugene B.
TI Diets high in saturated fat increase risk for IBD in genetically
susceptible hosts via induction of immunogenic microflora
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Devkota, Suzanne; Wang, Yunwei; Chang, Eugene B.] Univ Chicago, Dept Med, Gastroenterol Sect, Chicago, IL 60637 USA.
[Antonopoulos, Dion] Argonne Natl Lab, Inst Genom & Syst Biol, Chicago, IL USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708403237
ER
PT J
AU Frueh, DP
Nichols, S
Mishra, S
Arthanari, H
Koglin, A
Walsh, CT
Wagner, G
AF Frueh, Dominique P.
Nichols, Scott
Mishra, Subrata
Arthanari, Haribabu
Koglin, Alexander
Walsh, Christopher T.
Wagner, Gerhard
TI Transient Domain Interactions in Non-Ribosomal Peptide Synthetases
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Frueh, Dominique P.; Nichols, Scott; Mishra, Subrata] Johns Hopkins Sch Med, Baltimore, MD USA.
[Arthanari, Haribabu; Walsh, Christopher T.; Wagner, Gerhard] Harvard Univ, Sch Med, Boston, MA USA.
[Koglin, Alexander] Los Alamos Natl Lab, Div Chem, Los Alamos, NM USA.
RI Frueh, Dominique/A-6462-2008
OI Frueh, Dominique/0000-0003-4605-3776
NR 0
TC 0
Z9 0
U1 0
U2 4
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708406418
ER
PT J
AU Garrod, MG
Miller, JW
Green, R
Buchholz, BA
Calvert, CC
Allen, LH
AF Garrod, Marjorie G.
Miller, Joshua W.
Green, Ralph
Buchholz, Bruce A.
Calvert, Christopher C.
Allen, Lindsay H.
TI Percent bioavailability of vitamin B12 from eggs is inversely
proportional to egg total B12 consumed
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Garrod, Marjorie G.; Allen, Lindsay H.] ARS, USDA, Western Human Nutr Res Ctr, Davis, CA USA.
[Miller, Joshua W.; Green, Ralph] Univ Calif Davis, Dept Med Pathol & Lab Med, Sacramento, CA 95817 USA.
[Buchholz, Bruce A.] Lawrence Livermore Natl Lab, Dept Phys & Life Sci, Livermore, CA USA.
[Calvert, Christopher C.; Allen, Lindsay H.] Univ Calif Davis, Davis, CA 95616 USA.
NR 0
TC 0
Z9 0
U1 1
U2 3
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708402055
ER
PT J
AU Hennessey, LE
Greenlee, KJ
Bennett, M
Lee, WK
Kirkton, SD
AF Hennessey, Lauren E.
Greenlee, Kendra J.
Bennett, Meghan
Lee, Wah-Keat
Kirkton, Scott D.
TI Using Synchrotron X-Ray Imaging to Visualize Tracheal Changes During
Intramolt Development in American Locusts
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Hennessey, Lauren E.; Kirkton, Scott D.] Union Coll, Schenectady, NY 12308 USA.
[Greenlee, Kendra J.; Bennett, Meghan] N Dakota State Univ, Fargo, ND 58105 USA.
[Lee, Wah-Keat] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 1
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708400653
ER
PT J
AU Kerfeld, CA
AF Kerfeld, Cheryl A.
TI Sequence and Consequence
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Kerfeld, Cheryl A.] Univ Calif Berkeley, Joint Genome Inst, Walnut Creek, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708404740
ER
PT J
AU Paliakov, EM
Encisco, S
Chaudhary-Webb, M
McCoy, LF
Schleicher, RL
AF Paliakov, Ekaterina M.
Encisco, Sara
Chaudhary-Webb, Madhulika
McCoy, Leslie F.
Schleicher, Rosemary L.
TI Development and validation of an isotope dilution ultra-high pressure
liquid chromatography-tandem mass spectrometry method for quantitation
of serum 25-hydroxyvitamin D3, D2 and 3-epi-D3
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Paliakov, Ekaterina M.; Chaudhary-Webb, Madhulika; Schleicher, Rosemary L.] Ctr Dis Control & Prevent, NCEH DLS NBB, Atlanta, GA USA.
[Encisco, Sara] Oak Ridge Inst Sci & Educ, Clinton, TN USA.
[McCoy, Leslie F.] Battelle Mem Inst, Atlanta, GA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708407173
ER
PT J
AU Perevozchikova, T
Stanley, C
McWilliams-Koeppen, HP
Berthelier, V
AF Perevozchikova, Tatiana
Stanley, Christopher
McWilliams-Koeppen, Helen P.
Berthelier, Valerie
TI The Early Intermediates Revealed: the Structural Characterization of
Huntingtin Exon-1
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Perevozchikova, Tatiana; McWilliams-Koeppen, Helen P.; Berthelier, Valerie] Univ Tennessee, Grad Sch Med, Knoxville, TN USA.
[Perevozchikova, Tatiana] Univ Tennessee, Grad Sch Genome Sci & Technol, Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Stanley, Christopher] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN USA.
NR 0
TC 0
Z9 0
U1 0
U2 1
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708404496
ER
PT J
AU Sirinupong, N
Brunzelle, JS
Doko, E
Yang, Z
AF Sirinupong, Nualpun
Brunzelle, Joseph S.
Doko, Ernada
Yang, Zhe
TI Structural insights into the regulation of histone methyltransferase
SmyD3: hinge motion control of posttranslational activation
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Sirinupong, Nualpun; Doko, Ernada; Yang, Zhe] Wayne State Univ, Detroit, MI USA.
[Brunzelle, Joseph S.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 1
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708406353
ER
PT J
AU Volkow, ND
Wang, GJ
Fowler, JS
Telang, F
Tomasi, D
AF Volkow, Nora D.
Wang, Gene-Jack
Fowler, Joanna S.
Telang, Frank
Tomasi, Dardo
TI Overlapping Neuronal Circuits in Addiction and Obesity
SO FASEB JOURNAL
LA English
DT Meeting Abstract
CT Experimental Biology Meeting 2011
CY APR 09-13, 2011
CL Washington, DC
SP Amer Assoc Anatomists (AAA), Amer Physiolog Soc (APS), Amer Soc Biochem & Mol Biol (ASBMB), Amer Soc Investigat Pathol (ASIP), Amer Soc Nutrit (ASN), Amer Soc Pharmacol & Expt Therapeut (ASPET)
C1 [Volkow, Nora D.] NIDA, Bethesda, MD 20892 USA.
[Wang, Gene-Jack; Fowler, Joanna S.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Telang, Frank; Tomasi, Dardo] NIAAA, Lab Neuroimaging, Bethesda, MD USA.
RI Tomasi, Dardo/J-2127-2015
NR 0
TC 0
Z9 0
U1 0
U2 6
PU FEDERATION AMER SOC EXP BIOL
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA
SN 0892-6638
J9 FASEB J
JI Faseb J.
PD APR
PY 2011
VL 25
PG 1
WC Biochemistry & Molecular Biology; Biology; Cell Biology
SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other
Topics; Cell Biology
GA 032IE
UT WOS:000310708404513
ER
PT J
AU Pushalkar, S
Mane, SP
Ji, XJ
Li, YH
Evans, C
Crasta, OR
Morse, D
Meagher, R
Singh, A
Saxena, D
AF Pushalkar, Smruti
Mane, Shrinivasrao P.
Ji, Xiaojie
Li, Yihong
Evans, Clive
Crasta, Oswald R.
Morse, Douglas
Meagher, Robert
Singh, Anup
Saxena, Deepak
TI Microbial diversity in saliva of oral squamous cell carcinoma
SO FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY
LA English
DT Article
DE oral squamous cell carcinoma; microbial diversity; denaturing gradient
gel electrophoresis; 454 pyrosequencing
ID GRADIENT GEL-ELECTROPHORESIS; STREPTOCOCCUS-ANGINOSUS; COLON-CANCER;
PORPHYROMONAS-GINGIVALIS; NONCULTURABLE BACTERIA; INFLAMMATORY RESPONSE;
HELICOBACTER-PYLORI; GEMELLA-HAEMOLYSANS; SUBGINGIVAL PLAQUE; SPECIES
RICHNESS
AB In the oral cavity, chronic inflammation has been observed at various stages of oral squamous cell carcinomas (OSCC). Such inflammation could result from persistent mucosal or epithelial cell colonization by microorganisms. There is increasing evidence of the involvement of oral bacteria in inflammation, warranting further studies on the association of bacteria with the progression of OSCC. The objective of this study was to evaluate the diversity and relative abundance of bacteria in the saliva of subjects with OSCC. Using 454 parallel DNA sequencing, similar to 58 000 PCR amplicons that span the V4-V5 hypervariable region of rRNAs from five subjects were sequenced. Members of eight phyla (divisions) of bacteria were detected. The majority of classified sequences belonged to the phyla Firmicutes (45%) and Bacteroidetes (25%). Further, 52 different genera containing approximately 860 (16.51%) known species were identified and 1077 (67%) sequences belonging to various uncultured bacteria or unclassified groups. The species diversity estimates obtained with abundance-based coverage estimators and Chao1 were greater than published analyses of other microbial profiles from the oral cavity. Fifteen unique phylotypes were present in all three OSCC subjects.
C1 [Pushalkar, Smruti; Ji, Xiaojie; Li, Yihong; Saxena, Deepak] NYU, Coll Dent, Dept Basic Sci & Craniofacial Biol, New York, NY 10010 USA.
[Mane, Shrinivasrao P.; Evans, Clive; Crasta, Oswald R.] Virginia Tech, Virginia Bioinformat Inst, Blacksburg, VA USA.
[Morse, Douglas] NYU, Coll Dent, Dept Epidemiol & Hlth Promot, New York, NY 10010 USA.
[Meagher, Robert; Singh, Anup] Sandia Natl Labs, Livermore, CA USA.
RP Saxena, D (reprint author), NYU, Coll Dent, Dept Basic Sci & Craniofacial Biol, 345 E 24th St,Room 921B, New York, NY 10010 USA.
EM ds100@nyu.edu
FU NIDCR [U54-DE14257, U19-DE018385, RO3-DE019178, RO1-DE020891]
FX This work was supported by NIDCR Grants U54-DE14257, U19-DE018385,
RO3-DE019178, and RO1-DE020891.
NR 77
TC 26
Z9 32
U1 3
U2 13
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0928-8244
J9 FEMS IMMUNOL MED MIC
JI FEMS Immunol. Med. Microbiol.
PD APR
PY 2011
VL 61
IS 3
BP 269
EP 277
DI 10.1111/j.1574-695X.2010.00773.x
PG 9
WC Immunology; Infectious Diseases; Microbiology
SC Immunology; Infectious Diseases; Microbiology
GA 732TE
UT WOS:000288211800004
PM 21205002
ER
PT J
AU Moura, H
Terilli, RR
Woolfitt, AR
Gallegos-Candela, M
McWilliams, LG
Solano, MI
Pirkle, JL
Barr, JR
AF Moura, Hercules
Terilli, Rebecca R.
Woolfitt, Adrian R.
Gallegos-Candela, Maribel
McWilliams, Lisa G.
Solano, Maria I.
Pirkle, James L.
Barr, John R.
TI Studies on botulinum neurotoxins type/C1 and mosaic/DC using Endopep-MS
and proteomics
SO FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY
LA English
DT Article
DE botulism; Endopep-MS; proteomics; MS; label-free quantification
ID IN-VITRO ASSAYS; MASS-SPECTROMETRY; STATISTICAL-MODEL; SEROTYPE-A;
TOXINS; QUANTIFICATION; IDENTIFICATION; PROTEINS; DIFFERENTIATION;
IMMUNOASSAYS
AB Botulinum neurotoxins (BoNTs) are very potent toxins and category A biological threat agents. BoNT serotypes /C1 and /D affect birds and mammals and can be potentially lethal to humans. We have previously described the usefulness of the Endopep-MS method to detect the activity of BoNT A through G. This report was followed by the application of the method to clinical samples. The activity of the BoNT serotypes associated with human disease (/A, /B, /E, and /F) was successfully detected. However, BoNT/C and /D require different conditions for fast substrate cleavage, and a comprehensive description of a method to study BoNT/C and /D has not yet been reported. This work describes a new, optimized version of the Endopep-MS method to detect BoNTs /C1 and /DC either spiked directly in 20 mu L of reaction buffer or spiked in a larger volume of buffer and further extracted using antibody-coated magnetic beads. It was found that the incubation temperature at 42 degrees C was more effective for both toxin serotypes, but each toxin serotype has an optimum cleavage pH. Additionally, we describe for the first time a proteomics study using a fast trypsin digestion method and label-free quantification of these toxin serotypes.
C1 [Moura, Hercules; Terilli, Rebecca R.; Woolfitt, Adrian R.; Solano, Maria I.; Pirkle, James L.; Barr, John R.] Ctr Dis Control & Prevent, Div Sci Lab, Natl Ctr Environm Hlth, Atlanta, GA 30341 USA.
[Terilli, Rebecca R.] Assoc Publ Hlth Labs, Silver Spring, MD USA.
[Terilli, Rebecca R.] Oak Ridge Inst Sci Educ, Oak Ridge, TN USA.
[Gallegos-Candela, Maribel; McWilliams, Lisa G.] Battelle Mem Inst, Columbus, OH USA.
RP Barr, JR (reprint author), Ctr Dis Control & Prevent, Div Sci Lab, Natl Ctr Environm Hlth, 4770 Buford Hwy NE,MS F-50, Atlanta, GA 30341 USA.
EM jbarr@cdc.gov
NR 37
TC 11
Z9 11
U1 0
U2 6
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0928-8244
J9 FEMS IMMUNOL MED MIC
JI FEMS Immunol. Med. Microbiol.
PD APR
PY 2011
VL 61
IS 3
BP 288
EP 300
DI 10.1111/j.1574-695X.2010.00774.x
PG 13
WC Immunology; Infectious Diseases; Microbiology
SC Immunology; Infectious Diseases; Microbiology
GA 732TE
UT WOS:000288211800006
PM 21205003
ER
PT J
AU Chiang, YM
Meyer, KM
Praseuth, M
Baker, SE
Bruno, KS
Wang, CCC
AF Chiang, Yi-Ming
Meyer, Kristen M.
Praseuth, Michael
Baker, Scott E.
Bruno, Kenneth S.
Wang, Clay C. C.
TI Characterization of a polyketide synthase in Aspergillus niger whose
product is a precursor for both dihydroxynaphthalene (DHN) melanin and
naphtho-gamma-pyrone
SO FUNGAL GENETICS AND BIOLOGY
LA English
DT Article
DE Secondary metabolism; Aspergillus niger; Natural products; Genomics;
Naphtho-gamma-pyrone; Polyketides
ID CONIDIAL PIGMENT BIOSYNTHESIS; GENE-CLUSTER; NATURAL-PRODUCTS;
FUMIGATUS; NIDULANS; GENOMICS; MANIPULATIONS; METABOLITES; VERSATILE;
ENCODES
AB The genome sequencing of the fungus Aspergillus niger uncovered a large cache of genes encoding enzymes thought to be involved in the production of secondary metabolites yet to be identified. Identification and structural characterization of many of these predicted secondary metabolites are hampered by their low concentration relative to the known A. niger metabolites such as the naphtho-gamma-pyrone family of polyketides. We deleted a non-reducing PKS gene in A. niger strain ATCC 11414. a daughter strain of A. niger ATCC strain 1015 whose genome was sequenced by the DOE Joint Genome Institute. This PKS encoding gene we name albA is a predicted ortholog of alb1 from Aspergillus fumigatus which is responsible for production of the naphtho-gamma-pyrone precursor for the 1,8-dihydroxynaphthalene (DHN) melanin/spore pigment. Our results show that the A. niger albA PKS is responsible for both the production of the spore pigment precursor and a family of naphtho-gamma-pyrones commonly found in significant quantity in A. niger culture extracts. The generation of an A. niger strain devoid of naphtho-gamma-pyrones will greatly facilitate the elucidation of cryptic biosynthetic pathways in this organism. (c) 2010 Elsevier Inc. All rights reserved.
C1 [Meyer, Kristen M.; Baker, Scott E.; Bruno, Kenneth S.] Pacific NW Natl Lab, Energy & Environm Directorate, Chem & Biol Proc Dev Grp, Richland, WA 99352 USA.
[Chiang, Yi-Ming] Chia Nan Univ Pharm & Sci, Grad Inst Pharmaceut Sci, Tainan 71710, Taiwan.
[Chiang, Yi-Ming; Praseuth, Michael; Wang, Clay C. C.] Univ So Calif, Sch Pharm, Dept Pharmacol & Pharmaceut Sci, Los Angeles, CA 90089 USA.
[Wang, Clay C. C.] Univ So Calif, Coll Letters Arts & Sci, Dept Chem, Los Angeles, CA 90089 USA.
RP Bruno, KS (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, Chem & Biol Proc Dev Grp, 902 Battelle Blvd, Richland, WA 99352 USA.
EM Bruno@pnl.gov; clayw@usc.edu
OI Chiang, Yi-Ming/0000-0001-9899-1364
FU National Institute of General Medical Sciences [PO1GM084077]; Department
of Energy, Office of the Biomass Program; US Department of Energy's
Office of Science, Biological and Environmental Research [ATCC 1015];
University of California, Lawrence Berkeley National Laboratory
[DE-AC02-05CH11231]; Los Alamos National Laboratory [DE-AC02-06NA25396]
FX This project was supported by Grants PO1GM084077 to CW from the National
Institute of General Medical Sciences. Research conducted at the Pacific
Northwest National Lab was supported by the Department of Energy, Office
of the Biomass Program. We are grateful to the DOE Joint Genome
Institute for generation of the genome sequence of Aspergillus niger
strain ATCC 1015 which was performed under the auspices of the US
Department of Energy's Office of Science, Biological and Environmental
Research Program and 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. The
content is solely the responsibility of the authors and does not
necessarily represent the official views of the National Institute of
General Medical Sciences or the National Institutes of Health.
NR 33
TC 32
Z9 35
U1 5
U2 35
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1087-1845
EI 1096-0937
J9 FUNGAL GENET BIOL
JI Fungal Genet. Biol.
PD APR
PY 2011
VL 48
IS 4
BP 430
EP 437
DI 10.1016/j.fgb.2010.12.001
PG 8
WC Genetics & Heredity; Mycology
SC Genetics & Heredity; Mycology
GA 737TE
UT WOS:000288590300010
PM 21176790
ER
PT J
AU Liserre, M
Balcells, J
Basso, T
Bialasiewicz, JT
Cecati, C
Chakraborty, S
Guerrero, JM
Kazerani, M
Kupzog, F
Nasiri, A
Palensky, P
Rodriguez, J
Rodriguez, P
Sauter, T
Teodorescu, R
AF Liserre, Marco
Balcells, Josep
Basso, Thomas
Bialasiewicz, Jan T.
Cecati, Carlo
Chakraborty, Sudipta
Guerrero, Josep M.
Kazerani, Mehrdad
Kupzog, Friederich
Nasiri, Adel
Palensky, Peter
Rodriguez, Jose
Rodriguez, Pedro
Sauter, Thilo
Teodorescu, Remus
TI SPECIAL SECTION ON RENEWABLE ENERGY SYSTEMS-PART II
SO IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
LA English
DT Editorial Material
C1 [Liserre, Marco] Polytech Univ Bari, I-70126 Bari, Italy.
[Balcells, Josep] Univ Politecn Cataluna, ES-08034 Barcelona, Spain.
[Basso, Thomas; Chakraborty, Sudipta] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Bialasiewicz, Jan T.] Univ Colorado, Dept Elect Engn, Denver, CO 80217 USA.
[Cecati, Carlo] Univ Aquila, Dept Elect & Informat Engn, I-67040 Laquila, Italy.
[Guerrero, Josep M.] Tech Univ Catalonia, Dept Automat Control Syst & Comp Engn, Barcelona 08028, Spain.
[Kazerani, Mehrdad] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada.
[Kupzog, Friederich] Vienna Univ Technol, Inst Comp Technol, A-1040 Vienna, Austria.
[Nasiri, Adel] Univ Wisconsin, Dept Elect Engn & Comp Sci, Milwaukee, WI 53201 USA.
[Palensky, Peter] AIT, A-1210 Vienna, Austria.
[Rodriguez, Jose] Univ Tecn Federico Santa Maria, Dept Elect Engn, Valparaiso, Chile.
[Rodriguez, Pedro] Univ Politecn Cataluna, Dept Elect Engn, Res Grp Renewable Elect Energy Syst, Barcelona 08036, Spain.
[Sauter, Thilo] Austrian Acad Sci, Inst Integraded Sensor Syst, A-2700 Wiener Neustadt, Austria.
[Teodorescu, Remus] Univ Aalborg, Inst Energy Technol Power Elect, DK-9220 Aalborg, Denmark.
[Teodorescu, Remus] Univ Aalborg, Drives Dept, DK-9220 Aalborg, Denmark.
RP Liserre, M (reprint author), Polytech Univ Bari, I-70126 Bari, Italy.
RI Rodriguez, Jose/A-2534-2013; RODRIGUEZ, PEDRO/C-8038-2013; Palensky,
Peter/J-7238-2013; Guerrero, Josep/D-5519-2014; Balcells,
Josep/F-2942-2016; researchers, ac3e/N-2008-2016; Teodorescu,
Remus/O-5224-2015
OI Palensky, Peter/0000-0003-3183-4705; Guerrero,
Josep/0000-0001-5236-4592; Balcells, Josep/0000-0001-7173-1255;
Teodorescu, Remus/0000-0002-2617-7168
NR 0
TC 0
Z9 0
U1 0
U2 11
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0278-0046
J9 IEEE T IND ELECTRON
JI IEEE Trans. Ind. Electron.
PD APR
PY 2011
VL 58
IS 4
BP 1074
EP 1080
DI 10.1109/TIE.2010.2104090
PG 7
WC Automation & Control Systems; Engineering, Electrical & Electronic;
Instruments & Instrumentation
SC Automation & Control Systems; Engineering; Instruments & Instrumentation
GA 734KZ
UT WOS:000288334300001
ER
PT J
AU Franco, AA
Kothary, MH
Gopinath, G
Jarvis, KG
Grim, CJ
Hu, L
Datta, AR
McCardell, BA
Tall, BD
AF Franco, A. A.
Kothary, M. H.
Gopinath, G.
Jarvis, K. G.
Grim, C. J.
Hu, L.
Datta, A. R.
McCardell, B. A.
Tall, B. D.
TI Cpa, the Outer Membrane Protease of Cronobacter sakazakii, Activates
Plasminogen and Mediates Resistance to Serum Bactericidal Activity
SO INFECTION AND IMMUNITY
LA English
DT Article
ID ENTERICA SEROVAR TYPHIMURIUM; POWDERED INFANT FORMULA;
ENTEROBACTER-SAKAZAKII; YERSINIA-PESTIS; ESCHERICHIA-COLI;
SALMONELLA-ENTERICA; SURFACE PROTEASE; O-ANTIGEN; ENDOTHELIAL-CELLS;
COMPLEMENT
AB Cronobacter spp. are emerging neonatal pathogens in humans, associated with outbreaks of meningitis and sepsis. To cause disease, they must survive in blood and invade the central nervous system by penetrating the blood-brain barrier. C. sakazakii BAA-894 possesses an similar to 131-kb plasmid (pESA3) that encodes an outer membrane protease (Cpa) that has significant identity to proteins that belong to the Pla subfamily of omptins. Members of this subfamily of proteins degrade a number of serum proteins, including circulating complement, providing protection from the complement-dependent serum killing. Moreover, proteins of the Pla subfamily can cause uncontrolled plasmin activity by converting plasminogen to plasmin and inactivating the plasmin inhibitor alpha 2-antiplasmin (alpha 2-AP). These reactions enhance the spread and invasion of bacteria in the host. In this study, we found that an isogenic cpa mutant showed reduced resistance to serum in comparison to its parent C. sakazakii BAA-894 strain. Overexpression of Cpa in C. sakazakii or Escherichia coli DH5 alpha showed that Cpa proteolytically cleaved complement components C3, C3a, and C4b. Furthermore, a strain of C. sakazakii overexpressing Cpa caused a rapid activation of plasminogen and inactivation of alpha 2-AP. These results strongly suggest that Cpa may be an important virulence factor involved in serum resistance, as well as in the spread and invasion of C. sakazakii.
C1 [Franco, A. A.] US FDA, MOD Facil 1, Virulence Mech Branch HFS 025, Div Virulence Assessment,OARSA,Ctr Food Safety &, Laurel, MD 20708 USA.
[Jarvis, K. G.; Grim, C. J.] Oak Ridge Inst Sci & Educ, Oak Ridge, TN USA.
RP Franco, AA (reprint author), US FDA, MOD Facil 1, Virulence Mech Branch HFS 025, Div Virulence Assessment,OARSA,Ctr Food Safety &, 8301 MuirKirk Rd, Laurel, MD 20708 USA.
EM augusto.franco-mora@fda.hhs.gov
OI Tall, Ben/0000-0003-0399-3629
FU Department of Energy
FX L.H. is an FDA Commissioner's Fellow. K.G.J. and C.J.G. are Oak Ridge
Institute for Science and Education fellows, and we thank the Department
of Energy for their support.
NR 63
TC 24
Z9 26
U1 1
U2 4
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0019-9567
J9 INFECT IMMUN
JI Infect. Immun.
PD APR
PY 2011
VL 79
IS 4
BP 1578
EP 1587
DI 10.1128/IAI.01165-10
PG 10
WC Immunology; Infectious Diseases
SC Immunology; Infectious Diseases
GA 736YX
UT WOS:000288532300019
PM 21245266
ER
PT J
AU Sohel, MI
Sellier, M
Brackney, LJ
Krumdieck, S
AF Sohel, M. Imroz
Sellier, Mathieu
Brackney, Larry J.
Krumdieck, Susan
TI An iterative method for modelling the air-cooled organic Rankine cycle
geothermal power plant
SO INTERNATIONAL JOURNAL OF ENERGY RESEARCH
LA English
DT Article
DE geothermal power plant; air-cooling; organic Rankine cycle; performance
analysis
ID WASTE HEAT-RECOVERY; THERMODYNAMIC ANALYSIS; BINARY PLANTS; PERFORMANCE;
ORC; TEMPERATURE; SYSTEM; DESALINATION; EFFICIENCY; OPTIMIZATION
AB This work presents an iterative method for modelling the effect of ambient air temperature on the air-cooled organic Rankine cycle. The ambient temperature affects the condenser performance, and hence the performance of the whole cycle, in two ways. First, changing the equilibrium pressure inside the condenser, the turbine outlet pressure and the turbine pressure ratio vary. Since the turbine pressure ratio is a major parameter in determining the power generated by a turbine, the plant output is directly affected. Second, changing the condenser outlet temperature with ambient temperature, the pump inlet and outlet conditions are changed. Thus, the vapourizer equilibrium temperature and pressure are influenced. The developed method iteratively seeks the equilibrium conditions for both the condenser and vapourizer. Two case studies based on a real plant performance have been carried out to demonstrate the validity of the method. The developed method demonstrates robustness and converges regardless of the initial conditions allowed by the physical properties of the working fluid. This method is effective for cycles that use saturated vapour as well as superheated vapour under static or dynamic conditions with appropriate initial conditions and constraints. The developed method may be applied to any Rankine cycle with closed cycle operation. Copyright (C) 2010 John Wiley & Sons, Ltd.
C1 [Sohel, M. Imroz] Scion, Rotorua, New Zealand.
[Sellier, Mathieu; Krumdieck, Susan] Univ Canterbury, Dept Mech Engn, Christchurch 1, New Zealand.
[Brackney, Larry J.] Natl Renewable Energy Lab, Commercial Bldg Syst Elect Resources & Bldg Syst, Golden, CO 80401 USA.
RP Sohel, MI (reprint author), Scion, Te Papa Tipu Innovat Pk,49 Sala St, Rotorua, New Zealand.
EM mohammed.sohel@scionresearch.com
RI lee, yunzhu/G-1723-2011; Sellier, Mathieu/G-3902-2012;
OI Sellier, Mathieu/0000-0002-5060-1707; Krumdieck,
Susan/0000-0002-2333-958X
FU University of Canterbury
FX Contract/grant sponsor: University of Canterbury
NR 46
TC 6
Z9 6
U1 1
U2 13
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0363-907X
J9 INT J ENERG RES
JI Int. J. Energy Res.
PD APR
PY 2011
VL 35
IS 5
BP 436
EP 448
DI 10.1002/er.1706
PG 13
WC Energy & Fuels; Nuclear Science & Technology
SC Energy & Fuels; Nuclear Science & Technology
GA 735CM
UT WOS:000288391000007
ER
PT J
AU Chu, HJ
Pan, E
Wang, J
Beyerlein, IJ
AF Chu, H. J.
Pan, E.
Wang, J.
Beyerlein, I. J.
TI Three-dimensional elastic displacements induced by a dislocation of
polygonal shape in anisotropic elastic crystals
SO INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
LA English
DT Article
DE Dislocation; Polygonal shape; Displacement field; Green's function;
Anisotropic materials; Removable singularity
ID GREENS-FUNCTIONS; HALF-SPACE; FIELDS; STRESSES; UNIFORM; SOLIDS; MEDIA
AB Dislocations and the elastic fields they induce in anisotropic elastic crystals are basic for understanding and modeling the mechanical properties of crystalline solids. Unlike previous solutions that provide the strain and/or stress fields induced by dislocation loops, in this paper, we develop, for the first time, an approach to solve the more fundamental problem the anisotropic elastic dislocation displacement field. By applying the point-force Green's function for a three-dimensional anisotropic elastic material, the elastic displacement induced by a dislocation of polygonal shape is derived in terms of a simple line integral. It is shown that the singularities in the integrand of this integral are all removable. The proposed expression is applied to calculate the elastic displacements of dislocations of two different fundamental shapes, i.e. triangular and hexagonal. The results show that the displacement jump across the dislocation loop surface exactly equals the assigned Burgers vector, demonstrating that the proposed approach is accurate. The dislocation-induced displacement contours are also presented, which could be used as benchmarks for future numerical studies. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Chu, H. J.; Pan, E.] Univ Akron, Dept Civil Engn, Akron, OH 44325 USA.
[Chu, H. J.; Pan, E.] Univ Akron, Dept Appl Math, Akron, OH 44325 USA.
[Chu, H. J.] Yangzhou Univ, Res Grp Mech, Yangzhou 225009, Peoples R China.
[Wang, J.] Los Alamos Natl Lab, Mat Sci & Technol Div, Los Alamos, NM 87545 USA.
[Beyerlein, I. J.] Los Alamos Natl Lab, Fluid Dynam & Solid Mech Div, Div Theoret, Los Alamos, NM 87545 USA.
RP Pan, E (reprint author), Univ Akron, Dept Civil Engn, Akron, OH 44325 USA.
EM pan2@uakron.edu
RI Pan, Ernian/F-4504-2011; Beyerlein, Irene/A-4676-2011; Wang,
Jian/F-2669-2012
OI Pan, Ernian/0000-0001-6640-7805; Wang, Jian/0000-0001-5130-300X
FU National Natural Science Foundation [10602050]; Jiangsu Government; Los
Alamos National Laboratory Directed Research and Development (LDRD)
[DR20110029]; US Department of Energy Office of Science and Office of
Basic Energy Sciences
FX This work was supported by the National Natural Science Foundation
(10602050) and Jiangsu Government Scholarship for overseas studies. J.
Wang and I. J. Beyerlein acknowledge support provided by a Los Alamos
National Laboratory Directed Research and Development (LDRD) project
DR20110029. J. Wang also acknowledges support provided by the US
Department of Energy Office of Science and Office of Basic Energy
Sciences.
NR 26
TC 12
Z9 12
U1 0
U2 5
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7683
J9 INT J SOLIDS STRUCT
JI Int. J. Solids Struct.
PD APR
PY 2011
VL 48
IS 7-8
BP 1164
EP 1170
DI 10.1016/j.ijsolstr.2010.12.015
PG 7
WC Mechanics
SC Mechanics
GA 735IX
UT WOS:000288408700009
ER
PT J
AU Lee, JH
Gao, YF
AF Lee, Jin Haeng
Gao, Yanfei
TI Mixed-mode singularity and temperature effects on dislocation nucleation
in strained interconnects
SO INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
LA English
DT Article
DE Dislocation nucleation; Strained electronics; Activation energy
ID SURFACE STEPS; CRACK-TIP; ADHESIVE CONTACT; MICRO-PLASTICITY; BEHAVIOR;
TENSION; DUCTILE; BRITTLE
AB Dislocations can be nucleated from sharp geometric features in strained interconnects due to the thermal expansion coefficient mismatch, lattice mismatch, or stresses that arise during material processing. The asymptotic stress fields near the edge root can be described by mixed-mode singularities, which depend on the dihedral angle and material properties, and a transverse T-stress, which depends on how residual stress is realized in the interconnects. The critical condition for stress nucleation can be determined when an appropriate measure of the stress intensity factors (SIFs) reaches a critical value. This method, however, does not offer an explicit picture of the dislocation nucleation process so that it has difficulties in studying complicated structures, mode mixity effects, and more importantly the temperature effects. Using the Peierls concept, a dislocation can be described by a continuous slip field, and the dislocation nucleation occurs when the total potential energy reaches a stationary state. Through implementing this ad hoc interface model into a finite element framework, it is found that dislocation nucleation becomes more difficult with the increase of mode mixity, or the decrease of the T-stress, or the decrease of the length-to-height ratio of the surface pad, while the shape of the surface pad, being a square or a long line, plays a less important role. The Peierls dislocation model also allows us to determine the activation energy, which is the energy needed for the thermally activated, mechanically assisted dislocation nucleation when the applied load is lower than the athermal critical value. The calculated saddle point configuration agrees well with the molecular simulations in literature. Suggestions on making immortal strained interconnects are made. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Lee, Jin Haeng; Gao, Yanfei] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Gao, Yanfei] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA.
RP Lee, JH (reprint author), Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
EM jhlee.sg@gmail.com; ygao7@utk.edu
RI Gao, Yanfei/F-9034-2010; Lee, Jin Haeng/E-2457-2011
OI Gao, Yanfei/0000-0003-2082-857X;
FU National Science Foundation [CMMI 0800168, CMMI 0900027]; Center for
Materials Processing at the University of Tennessee; Korea Research
Foundation [KRF-352-D00001]; Korean Government (MOEHRD); Division of
Materials Sciences and Engineering, Office of Basic Energy Sciences,
U.S. Department of Energy [DE-AC05-000R22725]; UT-Battelle, LLC
FX Financial support for this work was provided by the National Science
Foundation (CMMI 0800168 and CMMI 0900027), and the Center for Materials
Processing at the University of Tennessee. J.H.L. was partially
supported by the Korea Research Foundation Grant (Grant No.
KRF-352-D00001) funded by the Korean Government (MOEHRD). Research at
the Oak Ridge National Laboratory was sponsored by the Division of
Materials Sciences and Engineering, Office of Basic Energy Sciences,
U.S. Department of Energy, under contract DE-AC05-000R22725 with
UT-Battelle, LLC.
NR 32
TC 3
Z9 3
U1 0
U2 5
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7683
EI 1879-2146
J9 INT J SOLIDS STRUCT
JI Int. J. Solids Struct.
PD APR
PY 2011
VL 48
IS 7-8
BP 1180
EP 1190
DI 10.1016/j.ijsolstr.2011.01.001
PG 11
WC Mechanics
SC Mechanics
GA 735IX
UT WOS:000288408700011
ER
PT J
AU Gardberg, AS
Potter, BS
Palmer, RA
McIntyre, GJ
Myles, DAA
AF Gardberg, Anna S.
Potter, Brian S.
Palmer, Rex A.
McIntyre, Garry J.
Myles, Dean A. A.
TI The Neutron Structure of the Formyl Peptide Receptor Antagonist
Cyclosporin H (CsH) Unambiguously Determines the Solvent and
Hydrogen-Bonding Structure for Crystal Form II
SO JOURNAL OF CHEMICAL CRYSTALLOGRAPHY
LA English
DT Article
DE Cyclosporin H; Neutron structure; Water hydrogens; Hydrogen bonding;
Laue diffraction
ID FREE R-VALUE; SINGLE-CRYSTAL; CONFORMATION; CYCLOPHILIN; COMPLEX; NMR;
QUALITY; MODEL
AB Single-crystal neutron diffraction data were collected at 20 K to a resolution of 1.05 on a crystal of the inverse formyl peptide receptor agonist cyclosporin H, CsH, (crystal form II, CsH-II) on the Laue diffractometer VIVALDI at the Institut Laue-Langevin (Grenoble). The solvent structure and hydrogen bonding network of CsH-II have been unambiguously determined by single-crystal neutron diffraction; the agreement factor R(F (2)) is 13.5% for all 2726 reflections. All hydrogen atom positions, including methyl-group orientations, have been determined by crystallographic refinement. The neutron structure of cyclosporin provides unique and complementary insights into methyl orientation, hydrogen-bonding, and solvent interactions that are not available from X-ray analysis alone.
C1 [Gardberg, Anna S.; Myles, Dean A. A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Potter, Brian S.; Palmer, Rex A.] Univ London, Birkbeck Coll, Sch Crystallog, London WC1E 7HX, England.
[McIntyre, Garry J.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France.
RP Gardberg, AS (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM agardberg@embios.com
RI G, Neela/H-3016-2014; myles, dean/D-5860-2016
OI myles, dean/0000-0002-7693-4964
FU Office of Biological and Environmental Research [DE-AC05-00OR22725]; US
Department of Energy
FX We gratefully acknowledge the ILL for the provision of beamtime. We
thank Professor Jon Cooper for his help and interest in the early stages
of this study. We thank Ray Simpson for depicting the main chain trace
shown in the Index Abstract figure. This research at Oak Ridge National
Laboratory's Center for Structural Molecular Biology (CSMB) was
supported by the Office of Biological and Environmental Research, using
facilities supported by the US Department of Energy, managed by
UT-Battelle, LLC under contract No. DE-AC05-00OR22725. This research was
supported in part by an appointment to the ORNL Postdoctoral Research
Associates Program at the Oak Ridge National Laboratory, sponsored by
the US Department of Energy and administered by the Oak Ridge Institute
for Science and Education.
NR 29
TC 1
Z9 1
U1 2
U2 5
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1074-1542
J9 J CHEM CRYSTALLOGR
JI J. Chem. Crystallogr.
PD APR
PY 2011
VL 41
IS 4
BP 470
EP 480
DI 10.1007/s10870-010-9903-7
PG 11
WC Crystallography; Spectroscopy
SC Crystallography; Spectroscopy
GA 732IQ
UT WOS:000288178600007
ER
PT J
AU Crockett, RK
Colella, P
Graves, DT
AF Crockett, R. K.
Colella, P.
Graves, D. T.
TI A Cartesian grid embedded boundary method for solving the Poisson and
heat equations with discontinuous coefficients in three dimensions
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Heat equation; Jump conditions; Discontinuous coefficient; Irregular
domain; Finite volume methods; Multigrid methods
ID IRREGULAR DOMAINS; ELLIPTIC-EQUATIONS; INTERFACE PROBLEMS; SCHEMES;
FLOWS
AB We present a method for solving Poisson and heat equations with discontinuous coefficients in two- and three-dimensions. It uses a Cartesian cut-cell/embedded boundary method to represent the interface between materials, as described in Johansen and Colella (1998). Matching conditions across the interface are enforced using an approximation to fluxes at the boundary. Overall second order accuracy is achieved, as indicated by an array of tests using non-trivial interface geometries. Both the elliptic and heat solvers are shown to remain stable and efficient for material coefficient contrasts up to 106, thanks in part to the use of geometric multigrid. A test of accuracy when adaptive mesh refinement capabilities are utilized is also performed. An example problem relevant to nuclear reactor core simulation is presented, demonstrating the ability of the method to solve problems with realistic physical parameters. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Crockett, R. K.; Colella, P.; Graves, D. T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Appl Numer Algorithms Grp, Berkeley, CA 94720 USA.
RP Crockett, RK (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Appl Numer Algorithms Grp, MS 50A-1148,1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM RKCrockett@txcorp.com
FU Department of Energy [DE-AC02-05-CH11231]
FX We thank Brian Van Straalen for help with the Chombo software library.
We also thank the reviewers, whose thoughtful comments helped greatly
improve upon the initial version of this paper. This work was supported
by the Department of Energy under contract number DE-AC02-05-CH11231.
NR 24
TC 11
Z9 11
U1 0
U2 8
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 APR 1
PY 2011
VL 230
IS 7
BP 2451
EP 2469
DI 10.1016/j.jcp.2010.12.017
PG 19
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 735LE
UT WOS:000288415200007
ER
PT J
AU Lipnikov, K
Manzini, G
Svyatskiy, D
AF Lipnikov, K.
Manzini, G.
Svyatskiy, D.
TI Analysis of the monotonicity conditions in the mimetic finite difference
method for elliptic problems
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Mimetic finite differences; Discrete maximum principle; Monotone matrix;
M-matrix; Monotone scheme; Mesh refinement
ID DISCRETE MAXIMUM PRINCIPLE; DIFFUSION-PROBLEMS; POLYHEDRAL MESHES;
POLYGONAL MESHES; STOKES PROBLEM; CONVERGENCE ANALYSIS; ERROR ESTIMATOR;
VOLUME METHOD; DISCRETIZATION; APPROXIMATIONS
AB The maximum principle is one of the most important properties of solutions of partial differential equations. Its numerical analog, the discrete maximum principle (DMP), is one of the most difficult properties to achieve in numerical methods, especially when the computational mesh is distorted to adapt and conform to the physical domain or the problem coefficients are highly heterogeneous and anisotropic. Violation of the DMP may lead to numerical instabilities such as oscillations and to unphysical solutions such as heat flow from a cold material to a hot one. In this work, we investigate sufficient conditions to ensure the monotonicity of the mimetic finite difference (MFD) method on two- and three-dimensional meshes. These conditions result in a set of general inequalities for the elements of the mass matrix of every mesh element. Efficient solutions are devised for meshes consisting of simplexes, parallelograms and parallelepipeds, and orthogonal locally refined elements as those used in the AMR methodology. On simplicial meshes, it turns out that the MFD method coincides with the mixed-hybrid finite element methods based on the low-order Raviart-Thomas vector space. Thus, in this case we recover the well-established conventional angle conditions of such approximations. Instead, in the other cases a suitable design of the MFD method allows us to formulate a monotone discretization for which the existence of a DMP can be theoretically proved. Moreover, on meshes of parallelograms we establish a connection with a similar monotonicity condition proposed for the Multi-Point Flux Approximation (MPFA) methods. Numerical experiments confirm the effectiveness of the considered monotonicity conditions. Published by Elsevier Inc.
C1 [Lipnikov, K.; Svyatskiy, D.] Los Alamos Natl Lab, Div Theoret, Appl Math & Plasma Phys Grp, Los Alamos, NM 87545 USA.
[Manzini, G.] IMATI CNR, I-27100 Pavia, Italy.
[Manzini, G.] IUSS, CeSNA, I-2700 Pavia, Italy.
Los Alamos Natl Lab, Natl Nucl Secur Adm, US DOE, Los Alamos, NM 87545 USA.
RP Lipnikov, K (reprint author), Los Alamos Natl Lab, Div Theoret, Appl Math & Plasma Phys Grp, Los Alamos, NM 87545 USA.
EM lipnikov@lanl.gov; marco.manzini@imati.cnr.it; dasvyat@lanl.gov
OI Manzini, Gianmarco/0000-0003-3626-3112
FU Department of Energy at Los Alamos National Laboratory
[DE-AC52-06NA25396]; DOE Office of Science Advanced Computing Research
(ASCR); National Nuclear Security Administration of the US Department of
Energy at Los Alamos National Laboratory [DE-AC52-06NA25396]
FX Funded by the Department of Energy at Los Alamos National Laboratory
under contracts DE-AC52-06NA25396 and the DOE Office of Science Advanced
Computing Research (ASCR) program in Applied Mathematical Sciences.;
This work was carried out under the auspices of the National Nuclear
Security Administration of the US Department of Energy at Los Alamos
National Laboratory under Contract No. DE-AC52-06NA25396 and the DOE
Office of Science Advanced Scientific Computing Research (ASCR) Program
in Applied Mathematics Research.
NR 52
TC 32
Z9 35
U1 1
U2 2
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD APR 1
PY 2011
VL 230
IS 7
BP 2620
EP 2642
DI 10.1016/j.jcp.2010.12.039
PG 23
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 735LE
UT WOS:000288415200016
ER
PT J
AU Yu, XZ
Hwang, CG
Jozwiak, CM
Kohl, A
Schmid, AK
Lanzara, A
AF Yu, X. Z.
Hwang, C. G.
Jozwiak, C. M.
Koehl, A.
Schmid, A. K.
Lanzara, A.
TI New synthesis method for the growth of epitaxial graphene
SO JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
LA English
DT Article
DE Epitaxial graphene; Growth method; Surface morphology
ID SILICON-CARBIDE; HETEROEPITAXIAL GRAPHITE; ELECTRONIC-STRUCTURE; DIRAC
FERMIONS; FILMS; GAS; GRAPHITIZATION; PHOTOEMISSION; SUBSTRATE
AB As a viable candidate for an all-carbon post-CMOS electronics revolution, epitaxial graphene has attracted significant attention. To realize its application potential, reliable methods for fabricating large-area single-crystalline graphene domains are required. A new way to synthesize high quality epitaxial graphene, namely "face-to-face" method, has been reported in this paper. The structure and morphologies of the samples are characterized by low-energy electron diffraction, atomic force microscopy, angle-resolved photoemission spectroscopy and Raman spectroscopy. The grown samples show better quality and larger length scales than samples grown through conventional thermal desorption. Moreover, the graphene thickness can be easily controlled by changing annealing temperature. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Lanzara, A.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Yu, X. Z.] Shanghai Jiao Tong Univ, Lab Condensed Matter Spect & Optoelect Phys, Dept Phys, Shanghai 200030, Peoples R China.
[Schmid, A. K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94709 USA.
[Yu, X. Z.; Hwang, C. G.; Jozwiak, C. M.; Koehl, A.; Lanzara, A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Sci Mat, Berkeley, CA 94720 USA.
RP Lanzara, A (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM ALanzara@lbl.gov
FU Office of Science, Office of Basic Energy Sciences, Materials Sciences
and Engineering Division of the U.S. Department of Energy
[DE-AC02_05CH11231]; China Scholarship Council
FX We would like to thank D.A. Siegel for useful discussions, B.S. Geng and
F. Wang for help with the Raman measurement. This work was 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. X.Z. Yu would like to thank
her advisor, Prof. Wenzhong Shen in Shanghai Jiao Tong University for
providing her the opportunity to spend a period in UC Berkeley. Such
stay was supported by the joint-training project between Berkeley and
China by the China Scholarship Council.
NR 40
TC 20
Z9 22
U1 5
U2 29
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0368-2048
J9 J ELECTRON SPECTROSC
JI J. Electron Spectrosc. Relat. Phenom.
PD APR
PY 2011
VL 184
IS 3-6
SI SI
BP 100
EP 106
DI 10.1016/j.elspec.2010.12.034
PG 7
WC Spectroscopy
SC Spectroscopy
GA 784QN
UT WOS:000292173400005
ER
PT J
AU Smolentsev, G
Canton, SE
Lockard, JV
Sundstrom, V
Chen, LX
AF Smolentsev, G.
Canton, S. E.
Lockard, J. V.
Sundstrom, V.
Chen, L. X.
TI Local structure of photoexcited bimetallic complexes refined by
quantitative XANES analysis
SO JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
LA English
DT Article
DE X-ray transient absorption; XANES; Ultrafast X-ray spectroscopy
ID RAY-ABSORPTION SPECTROSCOPY; MOLECULAR-STRUCTURES; DYNAMICS; STATE;
SCATTERING; OXIDATION; CRYSTAL; WATER
AB Photoexcited states of a pyrazolate bridged PtPt dimer and a supramolecular RuCo complex with bipyridine-type ligands were studied using the pump-and-probe X-ray absorption spectroscopy method. The local structure refinement based on the fitting of XANES difference spectra has been performed. The theoretical analysis included the full multiple scattering calculations and the multidimensional interpolation of spectra as a function of structural parameters. The influence of possible correlations between the fraction of molecules in the photoexcited state and structural parameters is discussed. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Smolentsev, G.; Sundstrom, V.] Lund Univ, Dept Chem Phys, SE-22100 Lund, Sweden.
[Smolentsev, G.] So Fed Univ, Res Ctr Nanoscale Struct Matter, Rostov Na Donu 344090, Russia.
[Smolentsev, G.] So Fed Univ, Dept Phys, Rostov Na Donu 344090, Russia.
[Canton, S. E.] Lund Univ, Max Lab, Lund, Sweden.
[Lockard, J. V.; Chen, L. X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Chen, L. X.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
RP Smolentsev, G (reprint author), Lund Univ, Dept Chem Phys, POB 124, SE-22100 Lund, Sweden.
EM smolentsev@yandex.ru
RI Canton, Sophie/A-8432-2016
FU ERC [226136]; Swedish Research Council; Division of Chemical Sciences,
Office of Basic Energy Sciences, The U.S. Department of Energy
[DE-AC02-06CH11357]; U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX This work is supported by ERC Advanced investigator grant to V.
Sundstrom: VISCHEM 226136, the Swedish Research Council and by the
Division of Chemical Sciences, Office of Basic Energy Sciences, The U.S.
Department of Energy under contracts DE-AC02-06CH11357. 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. The authors would like to thank K. Attenkofer and X.
Zhang for their help during the experiments and S. Ott and R.M.C.
Rodrigues for the synthesis of RuCo sample.
NR 26
TC 9
Z9 9
U1 0
U2 18
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0368-2048
J9 J ELECTRON SPECTROSC
JI J. Electron Spectrosc. Relat. Phenom.
PD APR
PY 2011
VL 184
IS 3-6
SI SI
BP 125
EP 128
DI 10.1016/j.elspec.2011.01.010
PG 4
WC Spectroscopy
SC Spectroscopy
GA 784QN
UT WOS:000292173400009
ER
PT J
AU Gordon, RA
Seidler, GT
Fister, TT
Nagle, KP
AF Gordon, R. A.
Seidler, G. T.
Fister, T. T.
Nagle, K. P.
TI Studying low-energy core-valence transitions with bulk sensitivity using
q-dependent NIXS
SO JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
LA English
DT Article
DE Inelastic X-ray scattering; Mixed valence; Spectroscopy
ID CE COMPOUNDS; PHOTOABSORPTION SPECTRA; SPECTROSCOPY; SPECTROMETER;
EXCITATIONS; OXIDATION; SYSTEMS; CERIUM
AB Absorption-based studies of low-energy atomic edges possess an inherent challenge in distinguishing surface and bulk contributions to the measured signal. The nature of the absorption process itself, being predominantly dipole in character, can also be a limiting factor in understanding electronic structure, particularly for correlated-electron systems. Non-resonant inelastic X-ray scattering (NIXS) provides a complementary means to soft X-ray absorption (XAS) methods in the study of low-energy excitations. The use of higher-energy X-rays (similar to 10 keV) enables bulk-sensitive measurements. Modern instrumentation and synchrotron facilities permit experiments with access to transitions not only in the dipole-transition regime but also those of higher-order. Access to these non-dipole transitions provides an additional perspective into the electronic behavior of materials. Such experiments will be illustrated using rare earth materials and excitations corresponding to M, N and O edges, with emphasis on the sensitivity to 4F-occupation in cerium-based materials. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Gordon, R. A.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Gordon, R. A.; Seidler, G. T.; Nagle, K. P.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Fister, T. T.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Gordon, RA (reprint author), Simon Fraser Univ, Dept Phys, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada.
EM ragordon@sfu.ca
RI Seidler, Gerald/I-6974-2012
FU U.S. DOE - BES; Office of Naval Research; Bosack and Kruger Foundation;
NSERC of Canada; NSERC; University of Washington; Simon Fraser
University; Advanced Photon Source
FX This work was supported by the U.S. DOE - BES, the Office of Naval
Research, the Bosack and Kruger Foundation and NSERC of Canada. PNC/XSD
facilities at the Advanced Photon Source, and research at these
facilities, are supported by the U.S. DOE - BES, a major resources
support grant from NSERC, the University of Washington, Simon Fraser
University and the Advanced Photon Source.
NR 25
TC 10
Z9 10
U1 2
U2 17
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0368-2048
J9 J ELECTRON SPECTROSC
JI J. Electron Spectrosc. Relat. Phenom.
PD APR
PY 2011
VL 184
IS 3-6
SI SI
BP 220
EP 223
DI 10.1016/j.elspec.2010.12.007
PG 4
WC Spectroscopy
SC Spectroscopy
GA 784QN
UT WOS:000292173400031
ER
PT J
AU Demchenko, IN
Chernyshova, M
Tyliszczak, T
Denlinger, JD
Yu, KM
Speaks, DT
Hemmers, O
Walukiewicz, W
Derkachov, G
Lawniczak-Jablonska, K
AF Demchenko, I. N.
Chernyshova, M.
Tyliszczak, T.
Denlinger, J. D.
Yu, K. M.
Speaks, D. T.
Hemmers, O.
Walukiewicz, W.
Derkachov, G.
Lawniczak-Jablonska, K.
TI Electronic structure of CdO studied by soft X-ray spectroscopy
SO JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
LA English
DT Article
DE XANES; FEFF; RIXS
ID SCATTERING; FILMS
AB We present X-ray absorption spectroscopy (XAS) and resonance inelastic X-ray scattering (RIXS) measurements of CdO thin film. The observed differences between bulk and surface XAS signals suggest the presence of a surface electron accumulation layer in CdO film. The native defects (oxygen vacancies) strongly influence on the electronic structure of CdO resulting in the absorption threshold position/onset and spectral profile changes. To interpret the obtained data ab initio theoretical calculations, using the FEFF code, were performed and compared to the experimental results. The calculated angular-momentum-projected local density of states (PDOS) describes well the experimental data. The direct and indirect gaps of CdO were estimated to be similar to 2.4 eV and similar to 0.9 eV, respectively, by overlapping the XAS spectrum with RIXS. These results are consistent with our optical absorption measurements as well as theoretical and experimental band gap values of CdO reported in the literature. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Demchenko, I. N.] Univ Nevada, Dept Chem, Las Vegas, NV 89154 USA.
[Demchenko, I. N.; Tyliszczak, T.; Denlinger, J. D.; Yu, K. M.; Speaks, D. T.; Walukiewicz, W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Demchenko, I. N.; Derkachov, G.; Lawniczak-Jablonska, K.] Inst Phys PAS, PL-02668 Warsaw, Poland.
[Chernyshova, M.] Inst Plasma Phys & Laser Microfus, PL-01497 Warsaw, Poland.
[Speaks, D. T.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Hemmers, O.] Univ Nevada, Harry Reid Ctr Environm Studies, Las Vegas, NV 89514 USA.
RP Demchenko, IN (reprint author), Univ Nevada, Dept Chem, 4505 Maryland Pkwy,Box 454003, Las Vegas, NV 89154 USA.
EM INDemchenko@lbl.gov
RI Yu, Kin Man/J-1399-2012; Lawniczak-Jablonska, Krystyna/J-8994-2012;
Derkachov, Gennadiy/S-7773-2016
OI Yu, Kin Man/0000-0003-1350-9642; Lawniczak-Jablonska,
Krystyna/0000-0003-1042-570X;
FU Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy [DE-AC02-05CH11231]
FX The authors wish to thank the staff of the Advanced Light Source for
their excellent support (especially W. Yang). This work was performed at
the Advanced Light Source which is 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. Material synthesis and
characterization were supported by the same foundation.
NR 23
TC 8
Z9 8
U1 0
U2 22
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0368-2048
J9 J ELECTRON SPECTROSC
JI J. Electron Spectrosc. Relat. Phenom.
PD APR
PY 2011
VL 184
IS 3-6
SI SI
BP 249
EP 253
DI 10.1016/j.elspec.2010.09.011
PG 5
WC Spectroscopy
SC Spectroscopy
GA 784QN
UT WOS:000292173400038
ER
PT J
AU Blanchette, C
Hoeprich, P
Fischer, N
AF Blanchette, Craig
Hoeprich, Paul
Fischer, Nicholas
TI Nanolipoprotein particles as vaccine platforms for co-localization of
adjuvants and subunit antigens
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Blanchette, Craig; Hoeprich, Paul; Fischer, Nicholas] Lawrence Livermore Natl Lab, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 106.10
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751704053
ER
PT J
AU Davis, R
Kozina, C
Branda, S
Rempe, S
AF Davis, Ryan
Kozina, Carol
Branda, Steve
Rempe, Susan
TI Lipopolysaccharide-induced molecular interactions of the TLR4 signaling
complex and the BK potassium channel
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Davis, Ryan; Kozina, Carol; Branda, Steve] Sandia Natl Labs, Livermore, CA USA.
[Rempe, Susan] Sandia Natl Labs, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 113.16
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751705014
ER
PT J
AU El-Etr, S
Vergez, L
Rasley, A
AF El-Etr, Sahar
Vergez, Lisa
Rasley, Amy
TI Differential intracellular trafficking of Francisella tularensis strains
in human dendritic cells.
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [El-Etr, Sahar; Vergez, Lisa; Rasley, Amy] Lawrence Livermore Natl Lab, Biosci & Biotechnol Div, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 56.15
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751701114
ER
PT J
AU Ganusov, V
Goonetilleke, N
Liu, M
Ferrari, G
Shaw, G
McMichael, A
Borrow, P
Korber, B
Perelson, A
AF Ganusov, Vitaly
Goonetilleke, Nilu
Liu, Michael
Ferrari, Guido
Shaw, George
McMichael, Andrew
Borrow, Persephone
Korber, Bette
Perelson, Alan
TI Fitness costs and diversity of CTL response determine the rate of CTL
escape during the acute and chronic phases of HIV infection
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Ganusov, Vitaly] Univ Tennessee, Microbiol, Knoxville, TN USA.
[Ganusov, Vitaly; Korber, Bette; Perelson, Alan] Los Alamos Natl Lab, Los Alamos, NM USA.
[Goonetilleke, Nilu; Liu, Michael; McMichael, Andrew; Borrow, Persephone] Univ Oxford, Oxford, England.
[Shaw, George] Univ Alabama Birmingham, Birmingham, AL USA.
[Ferrari, Guido] Duke Univ, Med Ctr, Durham, NC USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 105.23
PG 2
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751703196
ER
PT J
AU Manz, B
Jackson, B
Petit, R
Dustin, M
Groves, J
AF Manz, Boryana
Jackson, Bryan
Petit, Rebecca
Dustin, Michael
Groves, Jay
TI T cell triggering thresholds are modulated by the number of antigen
within individual T cell receptor clusters
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Manz, Boryana; Jackson, Bryan; Petit, Rebecca; Groves, Jay] Univ Calif Berkeley, HHMI, Berkeley, CA 94720 USA.
[Jackson, Bryan; Petit, Rebecca; Groves, Jay] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Dustin, Michael] NYU, Skirball Inst, New York, NY USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 109.20
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751704091
ER
PT J
AU Mungall, C
Haendel, M
Chatr-aryamontri, A
Oughtred, R
Rust, J
AF Mungall, Chris
Haendel, M.
Chatr-aryamontri, A.
Oughtred, R.
Rust, J.
TI A free NCRR resource for finding and using human disease models
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Mungall, Chris] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Haendel, M.] Oregon Hlth & Sci Univ, Portland, OR 97201 USA.
[Chatr-aryamontri, A.] Univ Edinburgh, Edinburgh, Midlothian, Scotland.
[Oughtred, R.; Rust, J.] Princeton Univ, Princeton, NJ 08544 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 65.46
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751702113
ER
PT J
AU Rasley, A
Blanchette, C
Fischer, N
El-Etr, S
Loots, G
Corzett, M
Thomas, C
Urbin, S
AF Rasley, Amy
Blanchette, Craig
Fischer, Nicholas
El-Etr, Sahar
Loots, Gabriela
Corzett, Michele
Thomas, Cindy
Urbin, Salustra
TI Innate immune agonists conjugated to nanolipoproteins elicit robust
inflammatory responses in mouse macrophages: implications for host-based
therapeutics.
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Rasley, Amy; Blanchette, Craig; Fischer, Nicholas; El-Etr, Sahar; Loots, Gabriela; Corzett, Michele; Thomas, Cindy; Urbin, Salustra] Lawrence Livermore Natl Lab, Biosci & Biotechnol Div, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 52.10
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751701036
ER
PT J
AU Smallwood, H
Lopez-Ferrer, D
Zink, E
Pasa-Tolic, L
Thomas, P
AF Smallwood, Heather
Lopez-Ferrer, Daniel
Zink, Erika
Pasa-Tolic, Ljiljana
Thomas, Paul
TI Novel quantitative proteomic analysis of influenza infected dendritic
cells reveals a previously unappreciated immune modulatory protein and
infection induced differential expression of DC proteins, with
unexpectedly high membrane protein dynamics.
SO JOURNAL OF IMMUNOLOGY
LA English
DT Meeting Abstract
C1 [Smallwood, Heather; Thomas, Paul] St Jude Childrens Res Hosp, Memphis, TN 38105 USA.
[Lopez-Ferrer, Daniel; Zink, Erika; Pasa-Tolic, Ljiljana] Pacific NW Natl Lab, Richland, WA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
EI 1550-6606
J9 J IMMUNOL
JI J. Immunol.
PD APR
PY 2011
VL 186
SU 1
MA 110.24
PG 1
WC Immunology
SC Immunology
GA V44LY
UT WOS:000209751704132
ER
PT J
AU Fore, S
Chan, J
Taylor, D
Huser, T
AF Fore, Samantha
Chan, James
Taylor, Douglas
Huser, Thomas
TI Raman spectroscopy of individual monocytes reveals that single-beam
optical trapping of mononuclear cells occurs by their nucleus
SO JOURNAL OF OPTICS
LA English
DT Article
DE monocytes; Raman spectroscopy; laser tweezers; single-cell spectroscopy
ID IN-VIVO; CANCER-DIAGNOSIS; LIVING CELLS; IDENTIFICATION; FLUORESCENCE
AB We show that laser tweezers Raman spectroscopy of eukaryotic cells with a significantly larger diameter than the tight focus of a single-beam laser trap leads to optical trapping of the cell by its optically densest part, i.e. typically the cell's nucleus. Raman spectra of individual optically trapped monocytes are compared with location-specific Raman spectra of monocytes adhered to a substrate. When the cell's nucleus is stained with a fluorescent live cell stain, the Raman spectrum of the DNA-specific stain is observed only in the nucleus of individual monocytes. Optically trapped monocytes display the same behavior. We also show that the Raman spectra of individual monocytes exhibit the characteristic Raman signature of cells that have not yet fully differentiated and that individual primary monocytes can be distinguished from transformed monocytes based on their Raman spectra. This work provides further evidence that laser tweezers Raman spectroscopy of individual cells provides meaningful biochemical information in an entirely non-destructive fashion that permits discerning differences between cell types and cellular activity.
C1 [Fore, Samantha; Chan, James; Taylor, Douglas; Huser, Thomas] Univ Calif Davis, NSF, Ctr Biophoton Sci & Technol, Sacramento, CA 95817 USA.
[Chan, James] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
[Huser, Thomas] Univ Calif Davis, Dept Internal Med, Sacramento, CA 95817 USA.
RP Fore, S (reprint author), Univ Calif Davis, NSF, Ctr Biophoton Sci & Technol, Sacramento, CA 95817 USA.
RI Huser, Thomas/H-1195-2012; Chan, James/J-3829-2014
OI Huser, Thomas/0000-0003-2348-7416;
FU National Science Foundation; University of California, Davis [PHY
0120999]; Keaton-Raphael Foundation for Childhood Cancer; Clinical
Translational Science Center from the National Center for Research
Resources (NCRR), a component of the National Institutes of Health (NIH)
[UL1 RR024146]; NIH Roadmap for Medical Research; LLNL Laboratory; US
Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX This work was supported in part by funding from the National Science
Foundation. The Center for Biophotonics Science and Technology is
managed by the University of California, Davis, under Cooperative
Agreement no. PHY 0120999. Additional funding was provided by a gift
from the Keaton-Raphael Foundation for Childhood Cancer. TH also
acknowledges support by the Clinical Translational Science Center under
grant no. UL1 RR024146 from the National Center for Research Resources
(NCRR), a component of the National Institutes of Health (NIH), and the
NIH Roadmap for Medical Research. JWC acknowledges support from the LLNL
Laboratory-directed Research and Development Program. Work at LLNL was
performed under the auspices of the US Department of Energy by Lawrence
Livermore National Laboratory under contract DE-AC52-07NA27344.
NR 21
TC 10
Z9 10
U1 1
U2 14
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 2040-8978
J9 J OPTICS-UK
JI J. Opt.
PD APR
PY 2011
VL 13
IS 4
SI SI
AR 044021
DI 10.1088/2040-8978/13/4/044021
PG 9
WC Optics
SC Optics
GA 781JH
UT WOS:000291926500022
PM 21984959
ER
PT J
AU Jetter, RI
Sham, TL
Swindeman, RW
AF Jetter, R. I.
Sham, T-L
Swindeman, R. W.
TI Application of Negligible Creep Criteria to Candidate Materials for HTGR
Pressure Vessels
SO JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME
LA English
DT Article
AB Two of the proposed high temperature gas reactors (HTGRs) under consideration for a demonstration plant have the design object of avoiding creep effects in the reactor pressure vessel during normal operation. This work addresses the criteria for negligible creep in subsection NH, Division 1 of the ASME Boiler and Pressure Vessel Code, Sec. III, other international design codes, and some currently suggested criteria modifications and their impact on permissible operating temperatures for various reactor pressure vessel materials. The goal of negligible creep could have different interpretations depending on what failure modes are considered and associated criteria for avoiding the effects of creep. It is shown that for the materials of this study, consideration of localized damage due to cycling of peak stresses results in a lower temperature for negligible creep than consideration of the temperature at which the allowable stress is governed by the creep properties. In assessing the effect of localized cyclic stresses, it is also shown that consideration of cyclic softening is an important effect that results in a higher estimated temperature for the onset of significant creep effects than would be the case if the material were cyclically hardening. There are other considerations for the selection of vessel material besides avoiding creep effects. Of interest for this review are (1) the material's allowable stress level and impact on the wall thickness (the goal being to minimize the required wall thickness) and (2) ASME code approval (inclusion as a permitted material in the relevant section and subsection of interest) to expedite regulatory review and approval. The application of negligible creep criteria to two of the candidate materials, SA533 and Mod 9Cr-1Mo (also referred to as Grade 91), and to a potential alternate, normalized and tempered 2(1)/(4) Cr-1Mo, is illustrated, and the relative advantages and disadvantages of the materials are discussed. [DOI: 10.1115/1.4001919]
C1 [Sham, T-L] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Swindeman, R. W.] Cromtech Inc, Oak Ridge, TN 37830 USA.
RP Jetter, RI (reprint author), 1106 Wildcat Canyon Rd, Pebble Beach, CA 93953 USA.
EM shamt@ORNL.gov
NR 17
TC 2
Z9 2
U1 0
U2 4
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0094-9930
J9 J PRESS VESS-T ASME
JI J. Press. Vessel Technol.-Trans. ASME
PD APR
PY 2011
VL 133
IS 2
AR 021103
DI 10.1115/1.4001919
PG 7
WC Engineering, Mechanical
SC Engineering
GA 735BQ
UT WOS:000288388800007
ER
PT J
AU Cale, EM
Hraber, P
Giorgi, EE
Fischer, W
Bhattacharya, T
Leitner, T
Yeh, WW
Gleasner, C
Green, LD
Han, CS
Korber, B
Letvin, NL
AF Cale, Evan M.
Hraber, Peter
Giorgi, Elena E.
Fischer, Will
Bhattacharya, Tanmoy
Leitner, Thomas
Yeh, Wendy W.
Gleasner, Cheryl
Green, Lance D.
Han, Cliff S.
Korber, Bette
Letvin, Norman L.
TI Epitope-Specific CD8(+) T Lymphocytes Cross-Recognize Mutant Simian
Immunodeficiency Virus (SIV) Sequences but Fail To Contain Very Early
Evolution and Eventual Fixation of Epitope Escape Mutations during SIV
Infection
SO JOURNAL OF VIROLOGY
LA English
DT Article
ID CD8-T-CELL MEMORY; TYPE-1 INFECTION; CD4-T-CELL HELP; CELL RESPONSES;
RHESUS-MONKEYS; VARIANTS; VIREMIA; MAMU-A-ASTERISK-02; PROGRESSION;
GENERATION
AB Human immunodeficiency virus (HIV) and simian immunodeficiency virus (SIV) evade containment by CD8(+) T lymphocytes through focused epitope mutations. However, because of limitations in the numbers of viral sequences that can be sampled, traditional sequencing technologies have not provided a true representation of the plasticity of these viruses or the intensity of CD8(+) T lymphocyte-mediated selection pressure. Moreover, the strategy by which CD8(+) T lymphocytes contain evolving viral quasispecies has not been characterized fully. In the present study we have employed ultradeep 454 pyrosequencing of virus and simultaneous staining of CD8(+) T lymphocytes with multiple tetramers in the SIV/rhesus monkey model to explore the coevolution of virus and the cellular immune response during primary infection. We demonstrated that cytotoxic T lymphocyte (CTL)-mediated selection pressure on the infecting virus was manifested by epitope mutations as early as 21 days following infection. We also showed that CD8(+) T lymphocytes cross-recognized wild-type and mutant epitopes and that these cross-reactive cell populations were present at a time when mutant forms of virus were present at frequencies of as low as 1 in 22,000 sequenced clones. Surprisingly, these cross-reactive cells became enriched in the epitope-specific CD8(+) T lymphocyte population as viruses with mutant epitope sequences largely replaced those with epitope sequences of the transmitted virus. These studies demonstrate that mutant epitope-specific CD8(+) T lymphocytes that are present at a time when viral mutant epitope sequences are detected at extremely low frequencies fail to contain the later accumulation and fixation of the mutant epitope sequences in the viral quasispecies.
C1 [Cale, Evan M.; Yeh, Wendy W.; Letvin, Norman L.] Harvard Univ, Div Viral Pathogenesis, Sch Med, Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA.
[Gleasner, Cheryl; Green, Lance D.; Han, Cliff S.] Los Alamos Natl Lab, DOE Joint Genome Inst, Los Alamos, NM 87545 USA.
RP Letvin, NL (reprint author), Harvard Univ, Div Viral Pathogenesis, Sch Med, Beth Israel Deaconess Med Ctr, 330 Brookline Ave,E-CLS 1043, Boston, MA 02215 USA.
EM nletvin@bidmc.harvard.edu
RI Fischer, Will/B-1323-2013; Bhattacharya, Tanmoy/J-8956-2013;
OI Fischer, Will/0000-0003-4579-4062; Bhattacharya,
Tanmoy/0000-0002-1060-652X; Korber, Bette/0000-0002-2026-5757; Hraber,
Peter/0000-0002-2920-4897
FU NIAID Center for HIV/AIDS Vaccine Immunology [AI067854]; LANL Laboratory
Directed Research and Development
FX This work was supported by NIAID Center for HIV/AIDS Vaccine Immunology
grant AI067854 and the LANL Laboratory Directed Research and
Development.
NR 35
TC 18
Z9 18
U1 0
U2 4
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0022-538X
J9 J VIROL
JI J. Virol.
PD APR
PY 2011
VL 85
IS 8
BP 3746
EP 3757
DI 10.1128/JVI.02420-10
PG 12
WC Virology
SC Virology
GA 736ZV
UT WOS:000288536100005
PM 21307185
ER
PT J
AU Ward, G
Mistrick, R
Lee, ES
McNeil, A
Jonsson, J
AF Ward, G.
Mistrick, R.
Lee, E. S.
McNeil, A.
Jonsson, J.
TI Simulating the Daylight Performance of Complex Fenestration Systems
Using Bidirectional Scattering Distribution Functions within Radiance
SO LEUKOS
LA English
DT Article
DE complex fenestration systems (CFS); bidirectional scattering
distribution function (BSDF); Radiance software; windows; daylighting
systems; shading systems; energy
ID ILLUMINATION
AB We describe two methods which rely on bidirectional scattering distribution functions (BSDFs) to model the daylighting performance of complex fenestration systems (CFS), enabling greater flexibility and accuracy in evaluating arbitrary assemblies of glazing, shading, and other optically-complex coplanar window systems. Two tools within Radiance enable a) efficient annual performance evaluations of CFS, and b) accurate renderings of CFS despite the loss of spatial resolution associated with low-resolution BSDF datasets for inhomogeneous systems. Validation, accuracy, and limitations of the methods are discussed.
C1 [Ward, G.] Anyhere Software, Berkeley, CA 94708 USA.
[Mistrick, R.] Penn State Univ, University Pk, PA 16802 USA.
[Lee, E. S.; McNeil, A.; Jonsson, J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Bldg Technol Program, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Ward, G (reprint author), Anyhere Software, 950 Creston Rd, Berkeley, CA 94708 USA.
RI McNeil, Andrew/I-9530-2014
OI McNeil, Andrew/0000-0001-9994-9002
FU U.S. Department of Energy [DE-AC02-05CH11231]; IT Division at the
Lawrence Berkeley National Laboratory (Office of Science, Office of
Basic Energy Sciences, of the U.S. Department of Energy)
[DE-AC02-05CH11231]
FX We gratefully acknowledge the contributions of Marilyne Andersen, Ecole
Polytechnique Federale de Lausanne, toward the validation of this new
capability. This work was supported by the Assistant Secretary for
Energy Efficiency and Renewable Energy, Building Technologies Program,
of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
This research used the Lawrencium computational cluster resource
provided by the IT Division 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 16
TC 23
Z9 23
U1 0
U2 3
PU ILLUMINAT ENG SOC NORTH AMER
PI NEW YORK
PA 120 WALL ST, 17TH FL, NEW YORK, NY 10005-4001 USA
SN 1550-2724
J9 LEUKOS
JI Leukos
PD APR
PY 2011
VL 7
IS 4
BP 241
EP 261
PG 21
WC Construction & Building Technology; Optics
SC Construction & Building Technology; Optics
GA 907ON
UT WOS:000301427300005
ER
PT J
AU Kaiser, SA
Frank, JH
AF Kaiser, Sebastian A.
Frank, Jonathan H.
TI The effects of laser-sheet thickness on dissipation measurements in
turbulent non-reacting jets and jet flames
SO MEASUREMENT SCIENCE AND TECHNOLOGY
LA English
DT Article
DE scalar dissipation; turbulent flow; planar imaging; resolution; noise
ID FINE-SCALE STRUCTURE; RAYLEIGH-SCATTERING; SPATIAL-RESOLUTION; MIXTURE
FRACTION; DIFFUSION FLAME; PASSIVE SCALAR; NEAR-FIELD; FLOWS;
TEMPERATURE; DERIVATIVES
AB The effects of laser-sheet thickness on planar laser measurements of scalar gradients in turbulent flows are studied. Experiments are performed in the near field of a turbulent, non-premixed, axisymmetric jet flame and in the near field of a non-reacting, isothermal turbulent jet. Laser Rayleigh scattering provides two-dimensional measurements of the instantaneous temperature and mixture fraction fields in the flame and non-reacting jet, respectively. The effect of spatial resolution on measurements of the mean dissipation and the power spectral density of axial temperature and mixture-fraction gradients is examined. The effect of varying the laser-sheet thickness is compared to that of spatial filtering within the image plane. Measurements of the mean dissipation and power spectral density are significantly less sensitive to resolution degradation in the non-differentiated dimensions than in the differentiated dimension. For example, on the jet flame centreline, the dissipation-cut-off microscale, which is determined from the measured power spectral density, is overestimated by 9% when the beam-waist thickness is increased from a 1/e-squared width of 160 mu m to 624 mu m. In contrast, spatial filtering along the direction of differentiation with a smoothing kernel of 624 mu m width produces a bias of 76% in the cut-off microscale. These results experimentally confirm the theoretical analysis of previous studies. A simple spatial model illustrates the origin of this difference and approximately predicts its magnitude for both planar and line measurements. A criterion for matching in-plane and out-of-plane resolution is established. For many planar gradient measurements, considerably less out-of-plane resolution is needed than in-plane resolution. The combined effects of noise and spatial averaging on the dissipation measurements are also briefly examined.
C1 [Kaiser, Sebastian A.; Frank, Jonathan H.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Kaiser, SA (reprint author), Sandia Natl Labs, Livermore, CA 94551 USA.
EM sebastian.kaiser@uni-due.de; jhfrank@sandia.gov
FU US Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences; US Department of Energy
[DE-AC04-94-AL85000]
FX The authors thank Dr G H Wang for helpful discussions and R J Sigurdsson
for excellent technical assistance in the laboratory. This research was
supported by the US Department of Energy, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences, and Biosciences.
Sandia National Laboratories is a multiprogram laboratory operated by
Sandia Corporation, a Lockheed Martin Company, for the US Department of
Energy under contract DE-AC04-94-AL85000.
NR 36
TC 8
Z9 8
U1 1
U2 7
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0957-0233
EI 1361-6501
J9 MEAS SCI TECHNOL
JI Meas. Sci. Technol.
PD APR
PY 2011
VL 22
IS 4
AR 045403
DI 10.1088/0957-0233/22/4/045403
PG 15
WC Engineering, Multidisciplinary; Instruments & Instrumentation
SC Engineering; Instruments & Instrumentation
GA 735XR
UT WOS:000288454500018
ER
PT J
AU Song, B
Antoun, BR
Connelly, K
Korellis, J
Lu, WY
AF Song, Bo
Antoun, Bonnie R.
Connelly, Kevin
Korellis, John
Lu, Wei-Yang
TI Improved Kolsky tension bar for high-rate tensile characterization of
materials
SO MEASUREMENT SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Kolsky tension bar; stress wave; dynamic tensile characterization;
stress-strain response
ID HOPKINSON PRESSURE BAR; PULSE SHAPING TECHNIQUES; STRAIN; COMPRESSION
AB A new Kolsky tension bar has been re-designed and developed at Sandia National Laboratories, CA. The new design uses the concept that a solid striker is fired to impact an end cap attached to the open end of the gun barrel to generate dynamic tensile loading. The gun barrel here serves as part of the loading device. The incident bar that is connected to the gun barrel and the transmission bar follow the design similar to the Kolsky compression bar. The bar supporting and aligning systems are the same as those in the Kolsky compression bar design described by Song et al (2009 Meas. Sci. Technol. 20 115701). Due to the connection complication among the gun barrel, bars and specimen, stress-wave propagation in the new Kolsky tension bar system is comprehensively analyzed. Based on the stress-wave analysis, the strain gage location on the incident bar needs to be carefully determined. A highly precise laser-beam measurement system is recommended to directly measure the displacement of the incident bar end. Dynamic tensile characterization of a 4330-V steel using this new Kolsky tension bar is presented as an example.
C1 [Song, Bo; Antoun, Bonnie R.; Connelly, Kevin; Korellis, John; Lu, Wei-Yang] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Song, B (reprint author), Sandia Natl Labs, Livermore, CA 94551 USA.
RI Song, Bo/D-3945-2011
FU United States Department of Energy [DE-AC04-94AL85000]
FX 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.
NR 19
TC 7
Z9 7
U1 1
U2 11
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0957-0233
EI 1361-6501
J9 MEAS SCI TECHNOL
JI Meas. Sci. Technol.
PD APR
PY 2011
VL 22
IS 4
AR 045704
DI 10.1088/0957-0233/22/4/045704
PG 7
WC Engineering, Multidisciplinary; Instruments & Instrumentation
SC Engineering; Instruments & Instrumentation
GA 735XR
UT WOS:000288454500025
ER
PT J
AU Bond-Watts, BB
Bellerose, RJ
Chang, MCY
AF Bond-Watts, Brooks B.
Bellerose, Robert J.
Chang, Michelle C. Y.
TI Enzyme mechanism as a kinetic control element for designing synthetic
biofuel pathways
SO NATURE CHEMICAL BIOLOGY
LA English
DT Article
ID CLOSTRIDIUM-ACETOBUTYLICUM ATCC-824; ALCALIGENES-EUTROPHUS H16;
FATTY-ACID BIOSYNTHESIS; ESCHERICHIA-COLI; BUTANOL PRODUCTION;
TRANS-2-ENOYL-COA REDUCTASE; MICROBIAL-PRODUCTION; ACETONE FORMATION;
EXPRESSION; BACTERIA
AB Living systems have evolved remarkable molecular functions that can be redesigned for in vivo chemical synthesis as we gain a deeper understanding of the underlying biochemical principles for de novo construction of synthetic pathways. We have focused on developing pathways for next-generation biofuels as they require carbon to be channeled to product at quantitative yields. However, these fatty acid-inspired pathways must manage the highly reversible nature of the enzyme components. For targets in the biodiesel range, the equilibrium can be driven to completion by physical sequestration of an insoluble product, which is a mechanism unavailable to soluble gasoline-sized products. In this work, we report the construction of a chimeric pathway assembled from three different organisms for the high-level production of n-butanol (4,650 +/- 720 mg l(-1)) that uses an enzymatic chemical reaction mechanism in place of a physical step as a kinetic control element to achieve high yields from glucose (28%).
C1 [Bond-Watts, Brooks B.; Bellerose, Robert J.; Chang, Michelle C. Y.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Bond-Watts, Brooks B.; Bellerose, Robert J.; Chang, Michelle C. Y.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Chang, Michelle C. Y.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Bond-Watts, BB (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM mcchang@berkeley.edu
FU Aldo DeBenedictis Fund; University of California, Berkeley; Camille and
Henry Dreyfus Foundation; Arnold and Mabel Beckman Foundation; Dow
Sustainable Products and Solutions Program
FX We thank K. Hirano for her work on the ter gene assembly during her
rotation. B.B.B.-W. would like to thank the Aldo DeBenedictis Fund for a
predoctoral fellowship, and R.J.B. would like to acknowledge the
University of California, Berkeley, Summer Undergraduate Research
Fellowship program. This work was funded by generous support from
University of California, Berkeley, the Camille and Henry Dreyfus
Foundation, the Arnold and Mabel Beckman Foundation and the Dow
Sustainable Products and Solutions Program.
NR 50
TC 175
Z9 188
U1 12
U2 99
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 APR
PY 2011
VL 7
IS 4
BP 222
EP 227
DI 10.1038/NCHEMBIO.537
PG 6
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 737CC
UT WOS:000288545000010
PM 21358636
ER
PT J
AU Gibbs, GV
Wallace, AF
Downs, RT
Ross, NL
Cox, DF
Rosso, KM
AF Gibbs, G. V.
Wallace, A. F.
Downs, R. T.
Ross, N. L.
Cox, D. F.
Rosso, K. M.
TI Thioarsenides: a case for long-range Lewis acid-base-directed van der
Waals interactions
SO PHYSICS AND CHEMISTRY OF MINERALS
LA English
DT Article
DE Realgar; Pararealgar; Dimorphite; Uzonite; Alacranite
ID CRYSTAL X-RAY; BONDED INTERACTIONS; MOLECULAR RECOGNITION; ARSENIC
SULFIDES; CHARGE-DENSITY; FORCES; CHLORINE; REALGAR; AS4S4; LIGHT
AB Electron density distributions, bond paths, Laplacian and local-energy density properties have been calculated for a number of As(4)S (n) (n = 3, 4 and 5) thioarsenide molecular crystals. On the basis of the distributions, the intramolecular As-S and As-As interactions classify as shared bonded interactions, and the intermolecular As-S, As-As and S-S interactions classify as closed-shell van der Waals (vdW) bonded interactions. The bulk of the intermolecular As-S bond paths link regions of locally concentrated electron density (Lewis-base regions) with aligned regions of locally depleted electron density (Lewis-acid regions) on adjacent molecules. The paths are comparable with intermolecular paths reported for several other molecular crystals that link aligned Lewis base and acid regions in a key-lock fashion, interactions that classified as long-range Lewis acid-base-directed vdW interactions. As the bulk of the intermolecular As-S bond paths (similar to 70%) link Lewis acid-base regions on adjacent molecules, it appears that molecules adopt an arrangement that maximizes the number of As-S Lewis acid-base intermolecular bonded interactions. The maximization of the number of Lewis acid-base interactions appears to be connected with the close-packed array adopted by molecules: distorted cubic close-packed arrays are adopted for alacranite, pararealgar, uzonite, realgar and beta-AsS and the distorted hexagonal close-packed arrays adopted by alpha- and beta-dimorphite. A growth mechanism is proposed for thioarsenide molecular crystals from aqueous species that maximizes the number of long-range Lewis acid-base vdW As-S bonded interactions with the resulting directed bond paths structuralizing the molecules as a molecular crystal.
C1 [Gibbs, G. V.; Ross, N. L.] Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA.
[Gibbs, G. V.; Ross, N. L.] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA.
[Gibbs, G. V.; Ross, N. L.] Virginia Tech, Dept Math, Blacksburg, VA 24061 USA.
[Wallace, A. F.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Downs, R. T.] Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA.
[Cox, D. F.] Virginia Tech, Dept Chem Engn, Blacksburg, VA 24061 USA.
[Rosso, K. M.] Pacific NW Natl Lab, Chem & Mat Sci Div, WR Wiley Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Gibbs, GV (reprint author), Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA.
EM ggibbs@vt.edu
RI Wallace, Adam/A-9976-2012
FU National Science Foundation; US Department of Energy [EAR-0609885,
EAR-0609906, DE-FG02-97ER14751]; US Department of Energy (DOE), Office
of Basic Energy Sciences, Geoscience Division; Environmental Molecular
Sciences Laboratory (EMSL) at the Pacific Northwest National Laboratory
(PNNL); US DOE Office of Biological and Environmental Research; DOE
[DEAC06-76RLO 1830]
FX The National Science Foundation and the US Department of Energy are
thanked for supporting this study with Grants EAR-0609885 (N.L.R. and G.
V. G.), EAR-0609906 (R. T. D.), and DE-FG02-97ER14751 (D. F. C.). K. M.
R. acknowledges a grant from the US Department of Energy (DOE), Office
of Basic Energy Sciences, Geoscience Division and computational
facilities and support from the Environmental Molecular Sciences
Laboratory (EMSL) at the Pacific Northwest National Laboratory (PNNL).
The computations were performed in part at the EMSL at PNNL. The EMSL is
a national scientific user facility sponsored by the US DOE Office of
Biological and Environmental Research. PNNL is operated by Battelle for
the DOE under contract DEAC06-76RLO 1830. GVG wishes to thank his good
friend and colleague Professor Michael Hochella for reading a
preliminary draft of the manuscript and contributing to the discussion
of the growth mechanism for a thioarsenide molecular crystal that
maximizes the number of long-range Lewis acid-base vdW As-S bonded
interactions. He also wishes to thank Professors Richard F. W. Bader at
McMaster University, Ontario, Canada and Vladimir Tsirelson at Mendelev
University of Chemical Technology, Moscow, Russia for useful discussions
related to van der Waals bonded interactions. We also want to thank
Professor Emil Makovicky at University of Copenhagen, Copenhagen,
Denmark for his careful review of the manuscript, his suggested changes
and his insightful comments on the connection between micelles and
directed bond paths.
NR 76
TC 6
Z9 6
U1 1
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0342-1791
J9 PHYS CHEM MINER
JI Phys. Chem. Miner.
PD APR
PY 2011
VL 38
IS 4
BP 267
EP 291
DI 10.1007/s00269-010-0402-3
PG 25
WC Materials Science, Multidisciplinary; Mineralogy
SC Materials Science; Mineralogy
GA 736QJ
UT WOS:000288508900003
ER
PT J
AU Rubenstein, R
Chang, BG
Gray, P
Piltch, M
Bulgin, MS
Sorensen-Melson, S
Mille, MW
AF Rubenstein, Richard
Chang, Binggong
Gray, Perry
Piltch, Martin
Bulgin, Marie S.
Sorensen-Melson, Sharon
Mille, Michael W.
TI SOFIA: An Assay Platform for Ultrasensitive Detection of PrPSc in Brain
and Blood
SO PRION
LA English
DT Meeting Abstract
C1 [Rubenstein, Richard; Chang, Binggong] Suny Downstate Med Ctr, Brooklyn, NY 11203 USA.
[Gray, Perry; Piltch, Martin] Los Alamos Natl Labs, Los Alamos, NM USA.
[Bulgin, Marie S.; Sorensen-Melson, Sharon] Univ Idaho, Caldwell, ID USA.
[Mille, Michael W.] Colorado Div Wildlife, Ft Collins, CO 80526 USA.
EM richard.rubenstein@downstate.edu
NR 0
TC 0
Z9 0
U1 0
U2 0
PU LANDES BIOSCIENCE
PI AUSTIN
PA 1806 RIO GRANDE ST, AUSTIN, TX 78702 USA
SN 1933-6896
EI 1933-690X
J9 PRION
JI Prion
PD APR-JUN
PY 2011
VL 5
SU S
MA Risk.39
BP 138
EP 139
PG 2
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA V34DE
UT WOS:000209066300314
ER
PT J
AU Hemraj-Benny, T
Chauhan, M
Zhang, LH
Wong, CK
Singh, G
Kim, E
Ahn, E
AF Hemraj-Benny, Tirandai
Chauhan, Moni
Zhang, Lihua
Wong, Chi Kwan
Singh, Gurpreet
Kim, Eunchul
Ahn, Esther
TI Synthesis and Characterization of Novel Hybrids of
Tris[3-(trimethoxysilyl)propyl] Isocyanurate (TTPI) Capped Palladium
Nanoparticles and Single-Walled Carbon Nanotubes
SO SILICON
LA English
DT Article
DE Single Walled Carbon Nanotubes (SWNTs); Pd-Nanoparticle; Nanosized
metal; Tris[3-(trimethoxysilyl)propyl] Isocyanurate; Conjugates;
Catalyst
ID SUZUKI COUPLING REACTIONS; HETEROGENEOUS CATALYSIS; SELECTIVE
HYDROGENATION; SUPERCRITICAL-FLUID; METAL; PD; OLEFINS; HECK;
NANOCOMPOSITES; MICROEMULSION
AB The conjugation of nanoparticles to carbon nanotubes (CNTs) involves various steps including premodification of the nanotubes, which is known to be a very tedious process and sometimes leads to a mixture of products. In this regard, a direct route to generate such conjugates is a worthwhile endeavor. In this paper, we report a novel, mild, one-pot, approach to a controlled and direct coordination of Pd nanoparticles (Pd NPs) onto the surface of single walled carbon nanotubes (SWNTs), without any pre-modification of the SWNTs surface. We also present detailed characterization of the SWNT-Pd NP hybrid systems using High Resolution Transmission Electron Microscopy (HRTEM), Energy Dispersive X-ray Spectroscopy (EDS), Mid-Infrared Spectroscopy (Mid-IR) and UV-Visible Spectroscopy (UV-vis) along with the stability studies of the nanoconjugates.
C1 [Hemraj-Benny, Tirandai; Chauhan, Moni; Wong, Chi Kwan; Singh, Gurpreet; Kim, Eunchul; Ahn, Esther] CUNY Queensborough Community Coll, Dept Chem, New York, NY 11364 USA.
[Zhang, Lihua] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Hemraj-Benny, T (reprint author), CUNY Queensborough Community Coll, Dept Chem, 222-05 56th Ave, New York, NY 11364 USA.
EM themrajbenny@qcc.cuny.edu; mchauhan@qcc.cuny.edu
RI Zhang, Lihua/F-4502-2014
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-98CH10886]
FX HRTEM analyses were carried out 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 46
TC 2
Z9 2
U1 0
U2 8
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1876-990X
J9 SILICON-NETH
JI Silicon
PD APR
PY 2011
VL 3
IS 2
BP 97
EP 101
DI 10.1007/s12633-011-9086-7
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 023BS
UT WOS:000310008500006
ER
PT J
AU Lei, Y
Jelic, J
Nitsche, LC
Meyer, R
Miller, J
AF Lei, Yu
Jelic, Jelena
Nitsche, Ludwig C.
Meyer, Randall
Miller, Jeffrey
TI Effect of Particle Size and Adsorbates on the L-3, L-2 and L-1 X-ray
Absorption Near Edge Structure of Supported Pt Nanoparticles
SO TOPICS IN CATALYSIS
LA English
DT Article
DE Pt nanoparticles; Bond length contraction; Particle size effect in XANES
spectra; Particle size effect in Pt bond length; Pt XANES; EXAFS
ID D-ELECTRON-DENSITY; IN-SITU XANES; ADSORPTION SITES; HYDROGEN
ADSORPTION; PLATINUM CLUSTERS; METAL-CATALYSTS; GOLD CATALYSTS; CO
ADSORPTION; FUEL-CELL; SPECTROSCOPY
AB Pt nano-particles from about 1 to 10 nm have been prepared on silica, alkali-silica, alumina, silica-alumina, carbon and SBA-15 supports. EXAFS spectra of the reduced catalysts in He show a contraction of the Pt-Pt bond distance as particle size is decreased below 3 nm. The bond length decreased as much as 0.13 angstrom for 1 nm Pt particles. Adsorption of CO and H-2 lead to a increase in Pt-Pt bond distance to that near Pt foil, e. g., 2.77 angstrom. In addition to changes in the Pt bond distance with size, as the particle size decreases below about 5 nm there is a shift in the XANES to higher energy at the L-3 edge, a decrease in intensity near the edge and an increase in intensity beyond the edge. We suggest these features correspond to effects of coordination (the decrease at the edge) and lattice contraction (the increase beyond the edge). At the L-2 edge, there are only small shifts to higher energy at the edge. However, beyond the edge, there are large increases in intensity with decreasing particle size. At the L-1 edge there are no changes in position or shape of the XANES spectra. Adsorption of CO and H2 also lead to changes in the L-3 and L-2 edges, however, no changes are observed at the L-1 edge. Density Functional Theory and XANES calculations show that the trends in the experimental XANES can be explained in terms of the states available near the edge. Both CO and H-2 adsorption result in a depletion of states at the Fermi level but the creation of anti-bonding states above the Fermi level which give rise to intensity increases beyond the edge.
C1 [Lei, Yu; Jelic, Jelena; Nitsche, Ludwig C.; Meyer, Randall] Univ Illinois, Dept Chem Engn, Chicago, IL 60607 USA.
[Miller, Jeffrey] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Meyer, R (reprint author), Univ Illinois, Dept Chem Engn, Chicago, IL 60607 USA.
EM rjm@uic.edu; millerjt@anl.gov
RI ID, MRCAT/G-7586-2011;
OI Lei, Yu/0000-0002-4161-5568
FU Argonne National Lab; U.S. Department of Energy, Office of Science, and
Office of Basic Energy Sciences [DE-AC02-06CH11357]; Department of
Energy; MRCAT member institutions; National Science Foundation [0747646]
FX RJM would like to acknowledge the generous grants for computational time
on Jazz and Fusion at Argonne National Lab. Use of the Advanced Photon
Source is supported by the U.S. Department of Energy, Office of Science,
and Office of Basic Energy Sciences, under Contract DE-AC02-06CH11357.
MRCAT operations are supported by the Department of Energy and the MRCAT
member institutions. In addition, RJM would like to acknowledge the
Department of Energy for use of Advanced Photon Source at Argonne
National Lab associated with GU-8689. RJM also acknowledges the National
Science Foundation for their partial support of this work through CBET
grant #0747646. Finally, RJM, JJ and JTM would like to thank Suljo Linic
and Hongliang Xin of the University of Michigan for the thoughtful
discussions of these results and without whom this work would not have
been possible.
NR 70
TC 44
Z9 44
U1 5
U2 46
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1022-5528
EI 1572-9028
J9 TOP CATAL
JI Top. Catal.
PD APR
PY 2011
VL 54
IS 5-7
BP 334
EP 348
DI 10.1007/s11244-011-9662-5
PG 15
WC Chemistry, Applied; Chemistry, Physical
SC Chemistry
GA 782PG
UT WOS:000292021000006
ER
PT J
AU Peth, MA
Ross, NP
Schneider, DP
AF Peth, Michael A.
Ross, Nicholas P.
Schneider, Donald P.
TI NEAR-INFRARED PHOTOMETRIC PROPERTIES OF 130,000 QUASARS: AN
SDSS-UKIDSS-MATCHED CATALOG
SO ASTRONOMICAL JOURNAL
LA English
DT Article
DE catalogs; quasars: general
ID DIGITAL-SKY-SURVEY; ACTIVE GALACTIC NUCLEI; EARLY DATA RELEASE;
HIGH-REDSHIFT QUASARS; WIDE-FIELD CAMERA; 7TH DATA RELEASE; LUMINOSITY
FUNCTION; Z-SIMILAR-TO-6 QUASARS; SPECTROSCOPIC SURVEY; CLASSIFIED
QUASARS
AB We present a catalog of over 130,000 quasar candidates with near-infrared (NIR) photometric properties, with an areal coverage of approximately 1200 deg(2). This is achieved by matching the Sloan Digital Sky Survey (SDSS) in the optical ugriz bands to the UKIRT Infrared Digital Sky Survey (UKIDSS) Large Area Survey (LAS) in the NIR YJHK bands. We match the similar to 1 million SDSS DR6 Photometric Quasar catalog to Data Release 3 of the UKIDSS LAS (ULAS) and produce a catalog with 130,827 objects with detections in one or more NIR bands, of which 74,351 objects have optical and K-band detections and 42,133 objects have the full nine-band photometry. The majority (similar to 85%) of the SDSS objects were not matched simply because these were not covered by the ULAS. The positional standard deviation of the SDSS Quasar to ULAS matches is delta(R.A). = 0.'' 1370 and delta(decl). = 0.'' 1314. We find an absolute systematic astrometric offset between the SDSS Quasar catalog and the UKIDSS LAS, of vertical bar R. A.(offset vertical bar) = 0.'' 025 and vertical bar decl.(offset)vertical bar = 0.'' 040; we suggest the nature of this offset to be due to the matching of catalog, rather than image, level data. Our matched catalog has a surface density of approximate to 53 deg(-2) for K <= 18.27 objects; tests using our matched catalog, along with data from the UKIDSS Deep Extragalactic Survey, imply that our limiting magnitude is i approximate to 20.6. Color-redshift diagrams, for the optical and NIR, show a close agreement between our matched catalog and recent quasar color models at redshift z less than or similar to 2.0, while at higher redshifts, the models generally appear to be bluer than the mean observed quasar colors. The gJK and giK color spaces are used to examine methods of differentiating between stars and (mid-redshift) quasars, the key to currently ongoing quasar surveys. Finally, we report on the NIR photometric properties of high, z > 4.6, and very high, z > 5.7, redshift previously discovered quasars.
C1 [Peth, Michael A.; Ross, Nicholas P.; Schneider, Donald P.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[Ross, Nicholas P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Peth, MA (reprint author), Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA.
EM npross@lbl.gov
OI Peth, Michael/0000-0002-6562-3183
FU National Science Foundation [AST-0607634]; Alfred P. Sloan Foundation;
Participating Institutions; National Science Foundation; U.S. Department
of Energy; National Aeronautics and Space Administration; Japanese
Monbukagakusho; Max Planck Society; Higher Education Funding Council for
England
FX This work was supported by National Science Foundation grants
AST-0607634 (M. A. P., N.P.R., and D. P. S.). We warmly thank M. A. Read
for providing the matched catalogs. R. G. McMahon provided very kind
input and information regarding the ULAS, especially for the discussions
regarding the behavior of themagnitude errors. P. Hewett, G. T.
Richards, and J. P. Stott provided useful discussion and comments. We
thank the referee for a timely report that has improved our manuscript,
and we thank The Astronomical Journal for an extension to the deadline
for the submission of our revisions.; Funding for the SDSS and SDSS-II
has been provided by the Alfred P. Sloan Foundation, the Participating
Institutions, the National Science Foundation, the U.S. 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 Web site is http://www.sdss.org/.
NR 93
TC 20
Z9 20
U1 0
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-6256
J9 ASTRON J
JI Astron. J.
PD APR
PY 2011
VL 141
IS 4
AR 105
DI 10.1088/0004-6256/141/4/105
PG 16
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 733IO
UT WOS:000288256600001
ER
PT J
AU Cort, JR
Swenson, MW
Magnuson, TS
AF Cort, John R.
Swenson, Michael W.
Magnuson, Timothy S.
TI H-1, C-13, and N-15 backbone, side-chain, and heme chemical shift
assignments for oxidized and reduced forms of the monoheme c-type
cytochrome ApcA isolated from the acidophilic metal-reducing bacterium
Acidiphilium cryptum
SO BIOMOLECULAR NMR ASSIGNMENTS
LA English
DT Article
DE Acidiphilium cryptum; c-type cytochrome; Cytochrome c(2); Paramagnetic;
Ferricytochrome; Ferrocytochrome; Heme
ID NUCLEAR-MAGNETIC-RESONANCE; REDUCTION; OXIDATION
AB We report the H-1, C-13, and N-15 chemical shift assignments of both oxidized and reduced forms of an abundant periplasmic c-type cytochrome, designated ApcA, isolated from the acidophilic gram-negative facultatively anaerobic metal-reducing alphaproteobacterium Acidiphilium cryptum. These resonance assignments prove that ApcA is a monoheme cytochrome c (2) and the product of the Acry_2099 gene. An absence of resonance peaks in the NMR spectra for the 21N-terminal residues suggests that a predicted N-terminal signal sequence is cleaved. We also describe the preparation and purification of the protein in labeled form from laboratory cultures of A. cryptum growing on C-13- and N-15- labeled substrates.
C1 [Cort, John R.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Swenson, Michael W.; Magnuson, Timothy S.] Idaho State Univ, Dept Biol Sci, Pocatello, ID 83204 USA.
RP Cort, JR (reprint author), Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
EM john.cort@pnl.gov
FU Department of Energy [DE-FG02-06ER15824]; National Science Foundation
[0434023]
FX 600 and 750 MHz NMR spectra were acquired in 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 Pacific Northwest National
Laboratory. Research was supported by the Department of Energy (Grant
DE-FG02-06ER15824 to TSM) and the National Science Foundation (Grant
0434023 to TSM).
NR 10
TC 2
Z9 4
U1 1
U2 2
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1874-2718
J9 BIOMOL NMR ASSIGN
JI Biomol. NMR Assign.
PD APR
PY 2011
VL 5
IS 1
BP 89
EP 92
DI 10.1007/s12104-010-9274-1
PG 4
WC Biophysics; Spectroscopy
SC Biophysics; Spectroscopy
GA 730ZO
UT WOS:000288076300022
PM 21197590
ER
PT J
AU Wada, M
Nishiyama, Y
Bellesia, G
Forsyth, T
Gnanakaran, S
Langan, P
AF Wada, Masahisa
Nishiyama, Yoshiharu
Bellesia, Giovanni
Forsyth, Trevor
Gnanakaran, S.
Langan, Paul
TI Neutron crystallographic and molecular dynamics studies of the structure
of ammonia-cellulose I: rearrangement of hydrogen bonding during the
treatment of cellulose with ammonia
SO CELLULOSE
LA English
DT Article
DE Cellulose; Neutron diffraction; Molecular dynamics; Hydrogen bonding;
Ammonia treatment
ID SYNCHROTRON X-RAY; LIQUID-AMMONIA; FIBER DIFFRACTION; NATIVE CELLULOSE;
CRYSTAL-STRUCTURE; HIGH-TEMPERATURES; IIII; TRANSFORMATION; SYSTEM;
COTTON
AB The hydrogen bond arrangement in a complex of cellulose with ammonia has been studied using neutron crystallography in combination with molecular dynamics simulations. The O6 atom of the hydroxymethyl group is donor in a highly occupied hydrogen bond to an ammonia molecule. This rotating ammonia molecule is donor in partially occupied and transient hydrogen bonds to the O2, O3 and O6 atoms of the hydroxyl groups of other chains. The hydrogen atom bound to the O3 atom is disordered but it is almost always involved in some type of hydrogen bonding. It is donated in a hydrogen bond most of the time to the O5 atom on the same chain. However, it also rotates away from this O5 atom to be donated to an ammonia molecule part of the time. On the other hand the hydrogen atom bound to the O2 atom is free from hydrogen bonding most of the time. It is donated in a hydrogen bond to the O6 atom on a neighboring chain only with a relatively small probability. These results provide new insights into how hydrogen bonds are rearranged during the conversion of cellulose I to cellulose IIII by ammonia treatment.
C1 [Wada, Masahisa] Univ Tokyo, Grad Sch Agr & Life Sci, Dept Biomat, Tokyo 1138657, Japan.
[Wada, Masahisa] Kyung Hee Univ, Dept Plant & Environm New Resources, Coll Life Sci, Yongin 446701, Gyeonggi Do, South Korea.
[Nishiyama, Yoshiharu] Univ Grenoble 1, CNRS, Ctr Rech Macromol Vegetales, F-38041 Grenoble 9, France.
[Bellesia, Giovanni; Gnanakaran, S.] Los Alamos Natl Lab, Theoret Biol & Biophys Grp, Los Alamos, NM 87545 USA.
[Gnanakaran, S.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA.
[Forsyth, Trevor] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France.
[Forsyth, Trevor] Univ Keele, EPSAM ISTM, Keele ST5 5BG, Staffs, England.
[Langan, Paul] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
RP Langan, P (reprint author), Los Alamos Natl Lab, Biosci Div, POB 1663, Los Alamos, NM 87545 USA.
EM awadam@mail.ecc.u-tokyo.ac.j; yoshiharu.nishiyama@cermav.cnrs.fr;
gbellesia@lanl.gov; tforsyth@ill.eu; gnana@lanl.gov;
langan_paul@lanl.gov
RI Forsyth, V. Trevor/A-9129-2010; Nishiyama, Yoshiharu/A-3492-2012;
Langan, Paul/N-5237-2015;
OI Forsyth, V. Trevor/0000-0003-0380-3477; Nishiyama,
Yoshiharu/0000-0003-4069-2307; Langan, Paul/0000-0002-0247-3122;
Gnanakaran, S/0000-0002-9368-3044
FU French Agence Nationale de la Reserche; Office of Biological and
Environmental Research of the U.S. Department of Energy; Los Alamos
National Laboratory [20080001DR]; [18780131]
FX We thank beam line D19 at the Institute Laue Langevin for use of
facilities. MW was supported by a Grant-in-Aid for Scientific Research
(18780131). This study was partly funded by the French Agence Nationale
de la Reserche. PL was supported in part by the Office of Biological and
Environmental Research of the U.S. Department of Energy and a Laboratory
Directed Research and Development grant from Los Alamos National
Laboratory (20080001DR). GB thanks Don Thompson and CNLS at Los Alamos
National Laboratory for (crucial) Information Technology support.
NR 47
TC 18
Z9 18
U1 2
U2 31
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0969-0239
J9 CELLULOSE
JI Cellulose
PD APR
PY 2011
VL 18
IS 2
BP 191
EP 206
DI 10.1007/s10570-010-9488-5
PG 16
WC Materials Science, Paper & Wood; Materials Science, Textiles; Polymer
Science
SC Materials Science; Polymer Science
GA 733HE
UT WOS:000288253000001
ER
PT J
AU Sivaramakrishnan, R
Michael, JV
Wagner, AF
Dawes, R
Jasper, AW
Harding, LB
Georgievskii, Y
Klippenstein, SJ
AF Sivaramakrishnan, R.
Michael, J. V.
Wagner, A. F.
Dawes, R.
Jasper, A. W.
Harding, L. B.
Georgievskii, Y.
Klippenstein, S. J.
TI Roaming radicals in the thermal decomposition of dimethyl ether:
Experiment and theory
SO COMBUSTION AND FLAME
LA English
DT Article
DE H plus dimethyl ether; Transition state theory; Ab initio; Shock tube;
Abstraction
ID MULTIREFERENCE PERTURBATION-THEORY; HIGH-TEMPERATURE PYROLYSIS; RATE
CONSTANTS; SHOCK-WAVES; UNIMOLECULAR DECOMPOSITION; CHEMICAL-KINETICS;
ATOMIC-HYDROGEN; AB-INITIO; ACETALDEHYDE; PHOTODISSOCIATION
AB The thermal dissociation of dimethyl ether has been studied with a combination of reflected shock tube experiments and ab initio dynamics simulations coupled with transition state theory based master equation calculations. The experiments use the extraordinary sensitivity provided by H-atom ARAS detection with an unreversed light source to measure both the total decomposition rate and the branching to radical products versus molecular products, with the molecular products arising predominantly through roaming according to the theoretical analysis. The experimental observations also provide a measure of the rate coefficient for H + CH(3)OCH(3). An evaluation of the available experimental results for H + CH(3)OCH(3) can be expressed by a three parameter Arrhenius expression as,
k = 6.54 x 10(-24)T(4.13) exp(-896/T) cm(3) molecule(-1) s(-1)(273 - 1465 K)
The potential energy surface is explored with high level ab initio electronic structure theory. The dynamics of roaming versus radical formation is studied with a reduced dimensional trajectory approach. The requisite potential energy surface is obtained from an interpolative moving least squares fit to wide-ranging ab initio data for the long-range interactions between methyl and methoxy. The predicted roaming and radical micro-canonical fluxes are incorporated in a master equation treatment of the temperature and pressure dependence of the dissociation process. The tight (i.e., non-roaming) transition states leading to a variety of additional molecular fragments are also included in the master equation analysis, but are predicted to have a negligible contribution to product formation. The final theoretical results reliably reproduce the measured dissociation rate to radical products reported here and are well reproduced over the 500-2000 K temperature range and the 0.01-300 bar pressure range by the following modified Arrhenius parameters for the Troe falloff format:
k(1,infinity)(T) = 2.33 x 10(19)T(-0.661)exp(-42345/T) s(-1)
k(1,0)(T) = 2.86 x 10(35)T(-11.4)exp(-46953/T)cm(3) molecule(-1) s(-1)
F(cent)(T) = exp(-T/880)
The experimentally observed branching ratio of 0.19 +/- 0.07 provides a direct measure of the contribution from the roaming radical mechanism. The theoretical analysis predicts a much smaller roaming contribution of 0.02. (C) 2010 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Sivaramakrishnan, R.; Michael, J. V.; Wagner, A. F.; Harding, L. B.; Georgievskii, Y.; Klippenstein, S. J.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Dawes, R.] Missouri Univ Sci & Technol, Rolla, MO 65409 USA.
[Dawes, R.; Jasper, A. W.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
RP Michael, JV (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, D-193,Bldg 200, Argonne, IL 60439 USA.
EM jmichael@anl.gov; wagner@anl.gov
RI SIVARAMAKRISHNAN, RAGHU/C-3481-2008; Michael, Joe/E-3907-2010; Dawes,
Richard/C-6344-2015; Jasper, Ahren/A-5292-2011;
OI SIVARAMAKRISHNAN, RAGHU/0000-0002-1867-1254; Klippenstein,
Stephen/0000-0001-6297-9187
FU US Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences [DE-AC02-06CH11357];
National Nuclear Security Administration [DE-AC04-94-AL85000]
FX This work at Argonne was supported by the US Department of Energy,
Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences, and Biosciences, under Contract No. DE-AC02-06CH11357. RD
and AWJ are supported by the Division of Chemical Sciences, Geosciences,
and Biosciences, the Office of Basic Energy Sciences, the US Department
of Energy; Sandia is a multiprogram laboratory operated by Sandia
Corporation, a Lockheed Martin Company, for the National Nuclear
Security Administration under contract DE-AC04-94-AL85000.
NR 49
TC 45
Z9 45
U1 1
U2 60
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
J9 COMBUST FLAME
JI Combust. Flame
PD APR
PY 2011
VL 158
IS 4
SI SI
BP 618
EP 632
DI 10.1016/j.combustflame.2010.12.017
PG 15
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA 733VG
UT WOS:000288291000004
ER
PT J
AU Dooley, S
Dryer, FL
Yang, B
Wang, J
Cool, TA
Kasper, T
Hansen, N
AF Dooley, S.
Dryer, F. L.
Yang, B.
Wang, J.
Cool, T. A.
Kasper, T.
Hansen, N.
TI An experimental and kinetic modeling study of methyl formate
low-pressure flames
SO COMBUSTION AND FLAME
LA English
DT Article
DE Methyl ester; Methyl formate; Kinetic model; Low-pressure flame; MBMS
ID PHOTOIONIZATION MASS-SPECTROMETRY; DIMETHYL ETHER FLAMES; CHEMISTRY;
OXIDATION; ESTERS; LASER
AB The oxidation of methyl formate (CH3OCHO), the simplest methyl ester, is studied in a series of burner-stabilized laminar flames at pressures of 22-30 Torr and equivalence ratios (Phi) from 1.0 to 1.8 for flame conditions of 25-35% fuel. Flame structures are determined by quantitative measurements of species mole fractions with flame-sampling molecular-beam synchrotron photoionization mass spectrometry (PIMS). Methyl formate is observed to be converted to methanol, formaldehyde and methane as major intermediate species of mechanistic relevance. Smaller amounts of ethylene and acetylene are also formed from methyl formate oxidation. Reactant, product and major intermediate species profiles are in good agreement with the computations of a recently developed kinetic model for methyl formate oxidation [S. Dooley, M.P. Burke, M. Chaos, Y. Stein, F.L. Dryer, V.P. Zhukov, O. Finch, J.M. Simmie, H.J. Curran, Int. J. Chem. Kinet. 42 (2010) 527-529] which shows that hydrogen abstraction reactions dominate fuel consumption under the tested flame conditions. Radical-radical reactions are shown to be significant in the formation of a number of small concentration intermediates, including the production of ethyl formate (C2H5OCHO), the subsequent decomposition of which is the major source of observed ethylene concentrations. The good agreement of model computations with this set of experimental data provides a further test of the predictive capabilities of the proposed mechanism of methyl formate oxidation. Other salient issues in the development of this model are discussed, including recent controversy regarding the methyl formate decomposition mechanism, and uncertainties in the experimental measurement and modeling of low-pressure flame-sampling experiments. Kinetic model computations show that worst-case disturbances to the measured temperature field, which may be caused by the insertion of the sampling cone into the flame, do not alter mechanistic conclusions provided by the kinetic model. However, such perturbations are shown to be responsible for disparities in species location between measurement and computation. (C) 2010 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Dooley, S.; Dryer, F. L.] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA.
[Yang, B.; Wang, J.; Cool, T. A.] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA.
[Kasper, T.; Hansen, N.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
RP Dooley, S (reprint author), Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA.
EM dooleys@princeton.edu
RI Yang, Bin/A-7158-2008; Hansen, Nils/G-3572-2012; Kasper,
Tina/A-2975-2017;
OI Yang, Bin/0000-0001-7333-0017; Kasper, Tina/0000-0003-3993-5316; Dooley,
Stephen/0000-0001-9450-8486
FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, US Department of Energy (USDOE)
[DE-FG02-86ER13503, DE-FG02-01ER15180]; Chemical Sciences Division, US
Army Research Office; US Department of Energy, Office of Basic Energy
Sciences under the Energy Frontier Research Center for Combustion
Science [DE-SC0001198]; National Nuclear Security Administration
[DE-AC04-94-AL85000]; Office of Science, Office of Basic Energy
Sciences, Materials Sciences Division, of the USDOE [DE-AC02-05CH11231]
FX The authors are grateful to Paul Fugazzi for expert technical assistance
and for discussion with Dr. Marcos Chaos. This work is supported by the
Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, US Department of Energy (USDOE), in part under
grants DE-FG02-86ER13503 (S.D., F.L.D.) and DE-FG02-01ER15180 (T.A.C.,
BY., J.W.) and by the Chemical Sciences Division, US Army Research
Office (T.A.C., B.Y., J.W.); S.D., F.L.D., B.Y., N.H. are also supported
by the US Department of Energy, Office of Basic Energy Sciences under
the Energy Frontier Research Center for Combustion Science (Grant No.
DE-SC0001198); Sandia is a multi-program laboratory operated by Sandia
Corporation, a Lockheed Martin Company, for the National Nuclear
Security Administration under contract DE-AC04-94-AL85000. The Advanced
Light Source is supported by the Director, Office of Science, Office of
Basic Energy Sciences, Materials Sciences Division, of the USDOE under
Contract No. DE-AC02-05CH11231 at the Lawrence Berkeley National
Laboratory.
NR 27
TC 36
Z9 36
U1 7
U2 59
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
J9 COMBUST FLAME
JI Combust. Flame
PD APR
PY 2011
VL 158
IS 4
SI SI
BP 732
EP 741
DI 10.1016/j.combustflame.2010.11.003
PG 10
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA 733VG
UT WOS:000288291000012
ER
PT J
AU Westbrook, CK
Naik, CV
Herbinet, O
Pitz, WJ
Mehl, M
Sarathy, SM
Curran, HJ
AF Westbrook, C. K.
Naik, C. V.
Herbinet, O.
Pitz, W. J.
Mehl, M.
Sarathy, S. M.
Curran, H. J.
TI Detailed chemical kinetic reaction mechanisms for soy and rapeseed
biodiesel fuels
SO COMBUSTION AND FLAME
LA English
DT Article
DE Biofuels; Reaction mechanisms; Chemical kinetics
ID LOW-TEMPERATURE OXIDATION; METHYL-ESTERS; DIESEL-ENGINES; MOTORED
ENGINE; SELF-IGNITION; DOUBLE-BOND; COMBUSTION; AUTOIGNITION;
HYDROCARBONS; BUTANOATE
AB A detailed chemical kinetic reaction mechanism is developed for the five major components of soy biodiesel and rapeseed biodiesel fuels. These components, methyl stearate, methyl oleate, methyl linoleate, methyl linolenate, and methyl palmitate, are large methyl ester molecules, some with carbon-carbon double bonds, and kinetic mechanisms for them as a family of fuels have not previously been available. Of particular importance in these mechanisms are models for alkylperoxy radical isomerization reactions in which a C=C double bond is embedded in the transition state ring. The resulting kinetic model is validated through comparisons between predicted results and a relatively small experimental literature. The model is also used in simulations of biodiesel oxidation in jet-stirred reactor and intermediate shock tube ignition and oxidation conditions to demonstrate the capabilities and limitations of these mechanisms. Differences in combustion properties between the two biodiesel fuels, derived from soy and rapeseed oils, are traced to the differences in the relative amounts of the same five methyl ester components. (C) 2010 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Westbrook, C. K.; Pitz, W. J.; Mehl, M.; Sarathy, S. M.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Naik, C. V.] React Design, San Diego, CA 92121 USA.
[Herbinet, O.] Nancy Univ, CNRS, ENSIC, Nancy, France.
[Curran, H. J.] Natl Univ Ireland, Dept Chem, Galway, Ireland.
RP Westbrook, CK (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
EM westbrook1@llnl.gov
RI herbinet, olivier/H-2571-2013; Sarathy, S. Mani/M-5639-2015; Mehl,
Marco/A-8506-2009;
OI Sarathy, S. Mani/0000-0002-3975-6206; Mehl, Marco/0000-0002-2227-5035;
Curran, Henry/0000-0002-5124-8562; herbinet, olivier/0000-0002-2155-098X
FU US Department of Energy, Office of Vehicle Technologies; US Department
of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
FX The authors thank Mr. Nathan Barnes for his assistance in carrying out
some of the calculations used in this paper. This work was supported in
part by the US Department of Energy, Office of Vehicle Technologies, and
the authors thank program managers Gurpreet Singh and Kevin Stork for
their support. This work was performed under the auspices of the US
Department of Energy by Lawrence Livermore National Laboratory under
Contract DE-AC52-07NA27344.
NR 74
TC 93
Z9 96
U1 4
U2 76
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
J9 COMBUST FLAME
JI Combust. Flame
PD APR
PY 2011
VL 158
IS 4
SI SI
BP 742
EP 755
DI 10.1016/j.combustflame.2010.10.020
PG 14
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA 733VG
UT WOS:000288291000013
ER
PT J
AU Klippenstein, SJ
Harding, LB
Glarborg, P
Miller, JA
AF Klippenstein, Stephen J.
Harding, Lawrence B.
Glarborg, Peter
Miller, James A.
TI The role of NNH in NO formation and control
SO COMBUSTION AND FLAME
LA English
DT Article
DE Ab initio calculations; Master equation; Chemical kinetics; Nitrogen
chemistry; NNH; Thermal DeNO(x)
ID POTENTIAL-ENERGY SURFACE; PRODUCT BRANCHING RATIO; TRANSITION-STATE
THEORY; MULTIREFERENCE PERTURBATION-THEORY; PHENOMENOLOGICAL RATE
COEFFICIENTS; 2-DIMENSIONAL MASTER EQUATION; LASER-INDUCED FLUORESCENCE;
TOTAL RATE-CONSTANT; NH2+NO REACTION; NITRIC-OXIDE
AB One of the remaining issues in our understanding of nitrogen chemistry in combustion is the chemistry of NNH. This species is known as a key intermediate in Thermal DeNO(x), where NH3 is used as a reducing agent for selective non-catalytic reduction of NO. In addition, NNH has been proposed to facilitate formation of NO from thermal fixation of molecular nitrogen through the so-called NNH mechanism. The importance of NNH for formation and reduction of NO depends on its thermal stability and its major consumption channels. In the present work, we study reactions on the NNH + O, NNH + O-2, and NH2 + O-2 potential energy surfaces using methods previously developed by Miller, Klippenstein, Harding, and their co-workers. Their impact on Thermal DeNO(x) and the NNH mechanism for NO formation is investigated in detail. (C) 2011 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Glarborg, Peter] Tech Univ Denmark, DTU Chem Engn, DK-2800 Lyngby, Denmark.
[Klippenstein, Stephen J.; Harding, Lawrence B.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Miller, James A.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
RP Glarborg, P (reprint author), Tech Univ Denmark, DTU Chem Engn, DK-2800 Lyngby, Denmark.
EM pgl@kt.dtu.dk
OI Klippenstein, Stephen/0000-0001-6297-9187
FU US Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences [DE-AC02-06CH11357];
United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94A18500]; Energinet.dk
FX The work at Argonne and Sandia was supported by the US Department of
Energy, Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences, and Biosciences. The work at Argonne was supported under
Contract No. DE-AC02-06CH11357. Sandia is a multiprogram laboratory
operated by Sandia Corporation, a Lockheed Martin Company, for the
United States Department of Energy's National Nuclear Security
Administration under contract DE-AC04-94A18500. The work at DTU was
funded by Energinet.dk as part of the Eranet Bioenergy program.
NR 113
TC 41
Z9 41
U1 6
U2 57
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
J9 COMBUST FLAME
JI Combust. Flame
PD APR
PY 2011
VL 158
IS 4
SI SI
BP 774
EP 789
DI 10.1016/j.combustflame.2010.12.013
PG 16
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA 733VG
UT WOS:000288291000015
ER
PT J
AU Sheng, F
Wang, K
Zhang, RD
Liu, HH
AF Sheng, Feng
Wang, Kang
Zhang, Renduo
Liu, Huihai
TI Modeling preferential water flow and solute transport in unsaturated
soil using the active region model
SO ENVIRONMENTAL EARTH SCIENCES
LA English
DT Article
DE Active region model; Preferential flow; Dye infiltration experiment;
Mobile-immobile region; model; Solute transport
ID BRILLIANT BLUE FCF; POROUS-MEDIA; VADOSE ZONE; FIELD SOIL; DYE; TRACER;
PENETRATION; ADSORPTION; PATTERNS; BEHAVIOR
AB Preferential flow and solute transport are common processes in the unsaturated soil, in which distributions of soil water content and solute concentrations are often characterized as fractal patterns. An active region model (ARM) was recently proposed to describe the preferential flow and transport patterns. In this study, ARM governing equations were derived to model the preferential soil water flow and solute transport processes. To evaluate the ARM equations, dye infiltration experiments were conducted, in which distributions of soil water content and Cl(-) concentration were measured. Predicted results using the ARM and the mobile-immobile region model (MIM) were compared with the measured distributions of soil water content and Cl(-) concentration. Although both the ARM and the MIM are two-region models, they are fundamentally different in terms of treatments of the flow region. The models were evaluated based on the modeling efficiency (ME). The MIM provided relatively poor prediction results of the preferential flow and transport with negative ME values or positive ME values less than 0.4. On the contrary, predicted distributions of soil water content and Cl(-) concentration using the ARM agreed reasonably well with the experimental data, with ME values higher than 0.8. The results indicated that the ARM successfully captured the macroscopic behavior of preferential flow and solute transport in the unsaturated soil.
C1 [Sheng, Feng; Zhang, Renduo] Sun Yat Sen Zhongshan Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China.
[Sheng, Feng] Changsha Univ Sci & Technol, Sch Water Conservancy, Changsha 410114, Hunan, Peoples R China.
[Wang, Kang] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Peoples R China.
[Liu, Huihai] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Zhang, RD (reprint author), Sun Yat Sen Zhongshan Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China.
EM shengf.china@gmail.com; wwangkang@163.com; zhangrd@mail.sysu.edu.cn;
hhliu@lbl.gov
FU National Science Foundation of China [50779080, 50528910, 50579079]; 973
Project, the National Basic Research Program of China [2006CB403404]
FX This research was financially supported in part by grants of the
National Science Foundation of China (Nos. 50779080, 50528910 and
50579079) and the 973 Project, the National Basic Research Program of
China (No. 2006CB403404).
NR 39
TC 7
Z9 12
U1 4
U2 26
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1866-6280
J9 ENVIRON EARTH SCI
JI Environ. Earth Sci.
PD APR
PY 2011
VL 62
IS 7
BP 1491
EP 1501
DI 10.1007/s12665-010-0633-0
PG 11
WC Environmental Sciences; Geosciences, Multidisciplinary; Water Resources
SC Environmental Sciences & Ecology; Geology; Water Resources
GA 732VU
UT WOS:000288218600013
ER
PT J
AU Yue, P
Gong, JY
Di, LP
He, LL
Wei, YX
AF Yue, Peng
Gong, Jianya
Di, Liping
He, Lianlian
Wei, Yaxing
TI Integrating semantic web technologies and geospatial catalog services
for geospatial information discovery and processing in
cyberinfrastructure
SO GEOINFORMATICA
LA English
DT Article
DE CSW; ebRIM; Semantic; Cyberinfrastructure; Service chain; Geoprocessing
workflow
ID GEOGRAPHIC INFORMATION; SCIENCE
AB A geospatial catalogue service provides a network-based meta-information repository and interface for advertising and discovering shared geospatial data and services. Descriptive information (i.e., metadata) for geospatial data and services is structured and organized in catalogue services. The approaches currently available for searching and using that information are often inadequate. Semantic Web technologies show promise for better discovery methods by exploiting the underlying semantics. Such development needs special attention from the Cyberinfrastructure perspective, so that the traditional focus on discovery of and access to geospatial data can be expanded to support the increased demand for processing of geospatial information and discovery of knowledge. Semantic descriptions for geospatial data, services, and geoprocessing service chains are structured, organized, and registered through extending elements in the ebXML Registry Information Model (ebRIM) of a geospatial catalogue service, which follows the interface specifications of the Open Geospatial Consortium (OGC) Catalogue Services for the Web (CSW). The process models for geoprocessing service chains, as a type of geospatial knowledge, are captured, registered, and discoverable. Semantics-enhanced discovery for geospatial data, services/service chains, and process models is described. Semantic search middleware that can support virtual data product materialization is developed for the geospatial catalogue service. The creation of such a semantics-enhanced geospatial catalogue service is important in meeting the demands for geospatial information discovery and analysis in Cyberinfrastructure.
C1 [Yue, Peng; Gong, Jianya] Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Peoples R China.
[Di, Liping] George Mason Univ, CSISS, Greenbelt, MD 20770 USA.
[He, Lianlian] Hubei Univ Educ, Dept Math, Wuhan 430205, Hubei, Peoples R China.
[Wei, Yaxing] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Yue, P (reprint author), Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, 129 Luoyu Rd, Wuhan 430079, Peoples R China.
EM geopyue@gmail.com
RI Wei, Yaxing/K-1507-2013
OI Wei, Yaxing/0000-0001-6924-0078
FU U.S. NGA [HM1582-04-1-2021]; NSFC [40801153]; 863 Program of China
[2007AA120501, 2007AA12Z214]; Wuhan University
FX We are grateful to the four anonymous reviewers, and to Dr. Barry
Schlesinger for their detailed comments that helped improve the quality
of the paper. This work was funded fully or partially by U.S. NGA NURI
program (HM1582-04-1-2021), Project 40801153 supported by NSFC, 863
Program of China (2007AA120501, 2007AA12Z214), LIESMARS and SKLSE (Wuhan
University) Special Research Funding.
NR 63
TC 31
Z9 34
U1 3
U2 34
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1384-6175
EI 1573-7624
J9 GEOINFORMATICA
JI Geoinformatica
PD APR
PY 2011
VL 15
IS 2
BP 273
EP 303
DI 10.1007/s10707-009-0096-1
PG 31
WC Computer Science, Information Systems; Geography, Physical
SC Computer Science; Physical Geography
GA 732WG
UT WOS:000288219800003
ER
PT J
AU Logue, JM
McKone, TE
Sherman, MH
Singer, BC
AF Logue, J. M.
McKone, T. E.
Sherman, M. H.
Singer, B. C.
TI Hazard assessment of chemical air contaminants measured in residences
SO INDOOR AIR
LA English
DT Review
DE Indoor air quality; Hazard analysis; Residential; Concentrations;
Volatile organic compound; Semi-volatile organic compounds; Criteria
pollutants; Ultrafine particulates; Exposure; Metals; Chronic; Acute;
Air toxics; Hazardous air pollutants; Toxic air contaminants
ID VOLATILE ORGANIC-COMPOUNDS; POLYBROMINATED DIPHENYL ETHERS; INDOOR
NITROGEN-DIOXIDE; POLYCYCLIC AROMATIC-HYDROCARBONS; BROMINATED FLAME
RETARDANTS; PERSONAL EXPOSURE; PARTICULATE MATTER;
POLYCHLORINATED-BIPHENYLS; COMPOUND CONCENTRATIONS; OUTDOOR
CONCENTRATIONS
AB P>Identifying air pollutants that pose a potential hazard indoors can facilitate exposure mitigation. In this study, we compiled summary results from 77 published studies reporting measurements of chemical pollutants in residences in the United States and in countries with similar lifestyles. These data were used to calculate representative mid-range and upper-bound concentrations relevant to chronic exposures for 267 pollutants and representative peak concentrations relevant to acute exposures for five activity-associated pollutants. Representative concentrations are compared to available chronic and acute health standards for 97 pollutants. Fifteen pollutants appear to exceed chronic health standards in a large fraction of homes. Nine other pollutants are identified as potential chronic health hazards in a substantial minority of homes, and an additional nine are identified as potential hazards in a very small percentage of homes. Nine pollutants are identified as priority hazards based on the robustness of measured concentration data and the fraction of residences that appear to be impacted: acetaldehyde; acrolein; benzene; 1,3-butadiene; 1,4-dichlorobenzene; formaldehyde; naphthalene; nitrogen dioxide; and PM2.5. Activity-based emissions are shown to pose potential acute health hazards for PM2.5, formaldehyde, CO, chloroform, and NO2.
Practical Implications
This analysis identifies key chemical contaminants of concern in residential indoor air using a comprehensive and consistent hazard-evaluation protocol. The identification of a succinct group of chemical hazards in indoor air will allow for successful risk ranking and mitigation prioritization for the indoor residential environment. This work also indicates some common household activities that may lead to the acute levels of pollutant exposure and identifies hazardous chemicals for priority removal from consumer products and home furnishings.
C1 [Logue, J. M.; McKone, T. E.; Sherman, M. H.; Singer, B. C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Indoor Environm Dept, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Logue, JM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Indoor Environm Dept, Environm Energy Technol Div, 1 Cyclotron Rd,Mail Stop 90R3083, Berkeley, CA 94720 USA.
EM JMLogue@lbl.gov
FU US Department of Energy, Office of Energy Efficiency and Renewable
Energy [DE-AC02-05CH11231]; US Department of Housing and Urban
Development Office of Healthy Homes and Lead Hazard Control
[I-PHI-01070]; California Energy Commission [500-08-06]
FX Funding was provided by the US Department of Energy Building
Technologies Program, Office of Energy Efficiency and Renewable Energy
under DOE Contract No. DE-AC02-05CH11231, by the US Department of
Housing and Urban Development Office of Healthy Homes and Lead Hazard
Control through Interagency Agreement I-PHI-01070, and by the California
Energy Commission through Contract 500-08-06.
NR 105
TC 55
Z9 58
U1 15
U2 119
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0905-6947
EI 1600-0668
J9 INDOOR AIR
JI Indoor Air
PD APR
PY 2011
VL 21
IS 2
BP 92
EP 109
DI 10.1111/j.1600-0668.2010.00683.x
PG 18
WC Construction & Building Technology; Engineering, Environmental; Public,
Environmental & Occupational Health
SC Construction & Building Technology; Engineering; Public, Environmental &
Occupational Health
GA 733HF
UT WOS:000288253100002
PM 21392118
ER
PT J
AU Singer, SW
Reddy, AP
Gladden, JM
Guo, H
Hazen, TC
Simmons, BA
VanderGheynst, JS
AF Singer, S. W.
Reddy, A. P.
Gladden, J. M.
Guo, H.
Hazen, T. C.
Simmons, B. A.
VanderGheynst, J. S.
TI Enrichment, isolation and characterization of fungi tolerant to
1-ethyl-3-methylimidazolium acetate
SO JOURNAL OF APPLIED MICROBIOLOGY
LA English
DT Article
DE Aspergillus; compost; endoglucanase; ionic liquid; xylanase
ID IONIC LIQUID PRETREATMENT; 1-N-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE;
ASPERGILLUS-NIGER; BIOMASS; SWITCHGRASS; DISSOLUTION; CELLULASE
AB Aims:
This work aimed to characterize microbial tolerance to 1-ethyl-3-methylimidazolium acetate ([C2mim][OAc]), an ionic liquid that has emerged as a novel biomass pretreatment for lignocellulosic biomass.
Methods and Results:
Enrichment experiments performed using inocula treated with [C2mim][OAc] under solid and liquid cultivation yielded fungal populations dominated by Aspergilli. Ionic liquid-tolerant Aspergillus isolates from these enrichments were capable of growing in a radial plate growth assay in the presence of 10% [C2mim][OAc]. When a [C2mim][OAc]-tolerant Aspergillus fumigatus strain was grown in the presence of switchgrass, endoglucanases and xylanases were secreted that retained residual enzymatic activity in the presence of 20% [C2mim][OAc].
Conclusions:
The results of the study suggest that tolerance to ionic liquids is a general property of the Aspergilli.
Significance and Impact of the Study:
Tolerance to an industrially important ionic liquid was discovered in a fungal genera that is widely used in biotechnology, including biomass deconstruction.
C1 [Singer, S. W.] Joint BioEnergy Inst, Deconstruct Div, Emeryville, CA 94608 USA.
[Singer, S. W.; Hazen, T. C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Reddy, A. P.; Guo, H.; VanderGheynst, J. S.] Univ Calif, Dept Biol & Agr Engn, Davis, CA USA.
[Gladden, J. M.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA USA.
[Simmons, B. A.] Sandia Natl Labs, Biomass Sci & Convers Technol Dept, Livermore, CA USA.
RP Singer, SW (reprint author), Joint BioEnergy Inst, Deconstruct Div, 5885 Hollis St, Emeryville, CA 94608 USA.
EM SWSinger@lbl.gov
RI Hazen, Terry/C-1076-2012;
OI Hazen, Terry/0000-0002-2536-9993; Simmons, Blake/0000-0002-1332-1810
FU U.S. Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; Lawrence Berkeley National
Laboratory [DE-AC02-05CH11231]; U.S. Department of Energy
[DE-AC02-05CH11231]
FX Validation of Aspergillus oryzae strain UCDF1 by beta-tubulin sequencing
was performed by Dr. Brian Wicks at the University of Texas Health
Science Center at San Antonio Fungus Testing Laboratory. Special thanks
to Josh Claypool for his assistance at University of California-Davis.
This work was performed as part of the DOE Joint BioEnergy Institute
(http://www.jbei.org) supported by 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.
NR 32
TC 18
Z9 18
U1 2
U2 14
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1364-5072
J9 J APPL MICROBIOL
JI J. Appl. Microbiol.
PD APR
PY 2011
VL 110
IS 4
BP 1023
EP 1031
DI 10.1111/j.1365-2672.2011.04959.x
PG 9
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 732FE
UT WOS:000288169600017
PM 21276149
ER
PT J
AU Sykes, AG
AF Sykes, Andrew G.
TI Exact solutions to the four Goldstone modes around a dark soliton of the
nonlinear Schrodinger equation
SO JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
LA English
DT Article
ID DIRECT PERTURBATION-THEORY; DYNAMICS
AB This paper is concerned with the linearization around a dark soliton solution of the nonlinear Schrodinger equation. Crucially, we present analytic expressions for the four linearly independent zero eigenvalue solutions (also known as Goldstone modes) to the linearized problem. These solutions are then used to construct a Green matrix which gives the first-order spatial response due to some perturbation. Finally, we apply this Green matrix to find the correction to the dark-soliton wavefunction of a Bose-Einstein condensate in the presence of fluctuations.
C1 [Sykes, Andrew G.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Sykes, Andrew G.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA.
RP Sykes, AG (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM sykes@lanl.gov
RI Sykes, Andrew/C-9590-2014
NR 40
TC 1
Z9 1
U1 1
U2 2
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 APR 1
PY 2011
VL 44
IS 13
AR 135206
DI 10.1088/1751-8113/44/13/135206
PG 11
WC Physics, Multidisciplinary; Physics, Mathematical
SC Physics
GA 731QN
UT WOS:000288124500010
ER
PT J
AU Silver, GL
AF Silver, G. L.
TI Alternative estimations of the first hydrolysis constant of tetravalent
plutonium
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Article
DE Plutonium; Disproportionation; pH; Hydrolysis
ID PENTAVALENT PLUTONIUM; DISPROPORTIONATION; STABILITY; TEMPERATURE;
EQUATIONS
AB Alternative methods for estimating the numerical value of the equilibrium-constant of the first hydrolysis reaction of tetravalent plutonium are illustrated. They are applied to recent data on Pu oxidation-state distributions in HCl solutions. The new estimates of the hydrolysis constant typically agree with the traditional values.
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Silver, GL (reprint author), Los Alamos Natl Lab, POB 1663,MS E502, Los Alamos, NM 87545 USA.
EM gsilver@lanl.gov
FU National Nuclear Security Administration of the U.S. Department of
Energy [DE-AC52-06NA25396]
FX Los Alamos National Laboratory is operated by the Los Alamos National
Security, LLC for the National Nuclear Security Administration of the
U.S. Department of Energy contract DE-AC52-06NA25396.
NR 19
TC 3
Z9 3
U1 2
U2 10
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD APR
PY 2011
VL 288
IS 1
BP 89
EP 92
DI 10.1007/s10967-010-0953-2
PG 4
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA 732WM
UT WOS:000288220400014
ER
PT J
AU Silver, GL
AF Silver, G. L.
TI Plutonium hydrolysis and disproportionation reactions
SO JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
LA English
DT Article
DE Plutonium; Disproportionation; Hydrolysis
AB A simplified method for representing the disproportionation reactions of plutonium is illustrated. It applies to any N within the range (3 < N < 6) and at any pH that does not introduce precipitation or polymer-forming reactions. Recalculation of recent estimates of the first hydrolysis constant of the tetravalent plutonium ion improves their precision.
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Silver, GL (reprint author), Los Alamos Natl Lab, POB 1663,MS E502, Los Alamos, NM 87545 USA.
EM gsilver@lanl.gov
NR 12
TC 5
Z9 5
U1 1
U2 16
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0236-5731
J9 J RADIOANAL NUCL CH
JI J. Radioanal. Nucl. Chem.
PD APR
PY 2011
VL 288
IS 1
BP 257
EP 260
DI 10.1007/s10967-010-0906-9
PG 4
WC Chemistry, Analytical; Chemistry, Inorganic & Nuclear; Nuclear Science &
Technology
SC Chemistry; Nuclear Science & Technology
GA 732WM
UT WOS:000288220400040
ER
PT J
AU Sridhar, S
Rozzelle, P
Morreale, B
Alman, D
AF Sridhar, S.
Rozzelle, P.
Morreale, B.
Alman, D.
TI Materials Challenges for Advanced Combustion and Gasification Fossil
Energy Systems
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID COAL POWER-PLANTS; BOILER MATERIALS; REFRACTORIES; CORROSION
AB This special section of Metallurgical and Materials Transactions is devoted to materials challenges associated with coal based energy conversion systems. The purpose of this introductory article is to provide a brief outline to the challenges associated with advanced combustion and advanced gasification, which has the potential of providing clean, affordable electricity by improving process efficiency and implementing carbon capture and sequestration. Affordable materials that can meet the demanding performance requirements will be a key enabling technology for these systems.
C1 [Sridhar, S.] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
[Alman, D.] US DOE, Natl Energy Technol Lab, Mat Performance Div, Pittsburgh, PA 15236 USA.
[Rozzelle, P.] US DOE, Off Clean Energy Syst, Washington, DC 20585 USA.
RP Sridhar, S (reprint author), Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
EM sridhars@andrew.cmu.edu
NR 34
TC 10
Z9 10
U1 2
U2 11
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD APR
PY 2011
VL 42A
IS 4
BP 871
EP 877
DI 10.1007/s11661-011-0627-x
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 733IP
UT WOS:000288256700003
ER
PT J
AU Bennett, JP
Kwong, KS
AF Bennett, James P.
Kwong, Kyei-Sing
TI Failure Mechanisms in High Chrome Oxide Gasifier Refractories
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID PETROLEUM COKE; COAL GASIFICATION; ASH
AB Gasification is a high-temperature, high-pressure chemical process used to convert a carbon feedstock into CO and H(2) (syngas) for use in power generation and the production of chemicals. It is also a leading candidate as a source of hydrogen in a hydrogen economy and is one of several technologies expected to see increased use in advanced fossil fuel power systems in the future. Gasification is being evaluated because of its high efficiency, its ability to capture CO(2) for sequestration or reuse in other applications, and its potential for carbon feedstock fuel flexibility. At the heart of the gasification process is a gasifier, a high pressure chemical reaction vessel used to contain the interactions between carbon and water in a shortage of oxygen, producing syngas. The gasifier is lined with high chrome oxide materials to protect the containment vessel. Gasifiers are complex systems, and failure of the refractories used to line them was identified by industry as a limitation to their reliability and availability and to their increased use. NETL researchers have examined spent high-Cr(2)O(3) (over 90 pct Cr(2)O(3)) refractories from numerous gasifiers to determine in-service failure mechanisms. This analysis revealed that premature failure of the high chrome oxide refractories was related to ash in the carbon feedstock, which liquefies during gasification and interacts with the refractories, leading to wear by chemical dissolution or spalling (structural and chemical). A discussion of this postmortem wear of spent refractory materials and of thermodynamic modeling used to explain microstructural changes leading to wear are explained in this article. This information will serve the basis to develop improved performance refractory materials.
C1 [Bennett, James P.; Kwong, Kyei-Sing] US DOE, Natl Energy Technol Lab, Albany, OR 97321 USA.
RP Bennett, JP (reprint author), US DOE, Natl Energy Technol Lab, Albany, OR 97321 USA.
EM james.bennett@netl.doe.gov
NR 28
TC 17
Z9 18
U1 0
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD APR
PY 2011
VL 42A
IS 4
BP 888
EP 904
DI 10.1007/s11661-011-0635-x
PG 17
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 733IP
UT WOS:000288256700005
ER
PT J
AU Yanar, NM
Helminiak, M
Meier, GH
Pettit, FS
AF Yanar, N. M.
Helminiak, M.
Meier, G. H.
Pettit, F. S.
TI Comparison of the Failures during Cyclic Oxidation of Yttria-Stabilized
(7 to 8 Weight Percent) Zirconia Thermal Barrier Coatings Fabricated via
Electron Beam Physical Vapor Deposition and Air Plasma Spray
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID NICOCRALY BOND COATS; GAS-TURBINES; MECHANISMS; DELAMINATION;
DURABILITY; ALUMINIDE; EVOLUTION; SYSTEMS
AB The failures during oxidation of electron beam physical vapor deposition (EBPVD) and air plasma spray (APS) yttria-stabilized zirconia (YSZ) thermal barrier coatings (TBCs) on different bond coats, namely, platinum-modified aluminide and NiCoCrAlY, are described. It is shown that oxidation of the bond coats, along with defects existing near the TBC/bond coat interface, plays a very important role in TBC failures. Procedures to improve TBC performance via modifying the oxidation characteristics of the bond coats and removing the as-processed defects are discussed. The influence of exposure conditions on TBC lives is described and factors such as cycle frequency and thermal gradients are discussed.
C1 [Yanar, N. M.; Helminiak, M.; Meier, G. H.; Pettit, F. S.] Univ Pittsburgh, Natl Energy Technol Lab, Pittsburgh, PA 15261 USA.
[Yanar, N. M.; Helminiak, M.; Meier, G. H.; Pettit, F. S.] Univ Pittsburgh, Dept Mech Engn & Mat Sci, Pittsburgh, PA 15261 USA.
RP Yanar, NM (reprint author), Univ Pittsburgh, Natl Energy Technol Lab, Pittsburgh, PA 15261 USA.
EM nmy4@pitt.edu
FU ONR (MURI) [N00014-02-1-0801]; National Energy Technology Laboratory
under RDS [DE-AC26-04NT41817]
FX Financial support of this research by ONR (MURI Contract No.
N00014-02-1-0801) and National Energy Technology Laboratory under RDS
Contract No. DE-AC26-04NT41817 and TBC specimen preparation by Howmet
and GE Aircraft Systems are gratefully acknowledged.
NR 22
TC 13
Z9 13
U1 1
U2 14
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1073-5623
J9 METALL MATER TRANS A
JI Metall. Mater. Trans. A-Phys. Metall. Mater. Sci.
PD APR
PY 2011
VL 42A
IS 4
BP 905
EP 921
DI 10.1007/s11661-010-0436-7
PG 17
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 733IP
UT WOS:000288256700006
ER
PT J
AU Yamamoto, Y
Brady, MP
Santella, ML
Bei, H
Maziasz, PJ
Pint, BA
AF Yamamoto, Y.
Brady, M. P.
Santella, M. L.
Bei, H.
Maziasz, P. J.
Pint, B. A.
TI Overview of Strategies for High-Temperature Creep and Oxidation
Resistance of Alumina-Forming Austenitic Stainless Steels
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID COAL POWER-PLANTS; SCALE FORMATION; WATER-VAPOR; ALLOYS; BEHAVIOR;
PERFORMANCE; ADDITIONS; MECHANISM; COATINGS; PHASE
AB A family of creep-resistant, alumina-forming austenitic (AFA) stainless steel alloys is under development for structural use in fossil energy conversion and combustion system applications. The AFA alloys developed to date exhibit comparable creep-rupture lives to state-of-the-art advanced austenitic alloys, and superior oxidation resistance in the similar to 923 K to 1173 K (650 A degrees C to 900 A degrees C) temperature range due to the formation of a protective Al2O3 scale rather than the Cr2O3 scales that form on conventional stainless steel alloys. This article overviews the alloy design approaches used to obtain high-temperature creep strength in AFA alloys via considerations of phase equilibrium from thermodynamic calculations as well as microstructure characterization. Strengthening precipitates under evaluation include MC-type carbides or intermetallic phases such as NiAl-B2, Fe-2(Mo,Nb)-Laves, Ni3Al-L1(2), etc. in the austenitic single-phase matrix. Creep, tensile, and oxidation properties of the AFA alloys are discussed relative to compositional and microstructural factors.
C1 [Yamamoto, Y.; Brady, M. P.; Santella, M. L.; Bei, H.; Maziasz, P. J.; Pint, B. A.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Yamamoto, Y (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM yamamotoy@ornl.gov
RI Pint, Bruce/A-8435-2008; Brady, Michael/A-8122-2008;
OI Pint, Bruce/0000-0002-9165-3335; Brady, Michael/0000-0003-1338-4747;
Maziasz, Philip/0000-0001-8207-334X; Bei, Hongbin/0000-0003-0283-7990
FU U.S. Department of Energy (US-DOE); US-DOE, Office of Energy Efficiency
and Renewable Energy [DE-AC05-00OR22725]; UT-Batelle, LLC; Division of
Scientific User Facilities, US-DOE
FX The authors thank Drs. S. Dryepondt, R. R. Unocic, and P. F. Tortorelli
for helpful comments on this manuscript. This research was sponsored by
the U.S. Department of Energy (US-DOE), Fossil Energy Advanced Research
Materials program, and US-DOE, Office of Energy Efficiency and Renewable
Energy, Industrial Technologies Program, under Contract No.
DE-AC05-00OR22725 with UT-Batelle, LLC. Part of the research was
conducted at the Shared Research Equipment (SHaRE) user facility, which
is sponsored at Oak Ridge National Laboratory by the Division of
Scientific User Facilities, US-DOE.
NR 41
TC 40
Z9 43
U1 3
U2 40
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 APR
PY 2011
VL 42A
IS 4
BP 922
EP 931
DI 10.1007/s11661-010-0295-2
PG 10
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 733IP
UT WOS:000288256700007
ER
PT J
AU Preston, BL
Westaway, RM
Yuen, EJ
AF Preston, Benjamin L.
Westaway, Richard M.
Yuen, Emma J.
TI Climate adaptation planning in practice: an evaluation of adaptation
plans from three developed nations
SO MITIGATION AND ADAPTATION STRATEGIES FOR GLOBAL CHANGE
LA English
DT Article
DE Climate change; Adaptation; Adaptive capacity; Planning; Evaluation
AB Formal planning for climate change adaptation is emerging rapidly at a range of geo-political scales. This first generation of adaptation plans provides useful information regarding how institutions are framing the issue of adaptation and the range of processes that are recognized as being part of an adaptation response. To better understand adaptation planning among developed nations, a set of 57 adaptation plans from Australia, the United Kingdom and the United States was evaluated against a suite of 19 planning processes identified from existing guidance instruments for adaptation planning. Total scores among evaluated plans ranged from 16% of the maximum possible score to 61%, with an average of 37%. These results suggest adaptation plans are largely under-developed. Critical weaknesses in adaptation planning are related to limited consideration for non-climatic factors as well as neglect for issues of adaptive capacity including entitlements to various forms of capital needed for effective adaptation. Such gaps in planning suggest there are opportunities for institutions to make better use of existing guidance for adaptation planning and the need to consider the broader governance context in which adaptation will occur. In addition, the adaptation options prescribed by adaptation plans reflect a preferential bias toward low-risk capacity-building (72% of identified options) over the delivery of specific actions to reduce vulnerability. To the extent these findings are representative of the state of developed nation adaptation planning, there appear to be significant deficiencies in climate change preparedness, even among those nations often assumed to have the greatest adaptive capacity.
C1 [Preston, Benjamin L.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Westaway, Richard M.] IMS Consulting, Bristol, Avon, England.
[Yuen, Emma J.] CSIRO Climate Adaptat Flagship, Aspendale, Vic, Australia.
RP Preston, BL (reprint author), Oak Ridge Natl Lab, Div Environm Sci, 1 Bethel Valley Rd,POB 2008,MS 6301, Oak Ridge, TN 37831 USA.
EM prestonbl@ornl.gov
RI Yuen, Emma/G-5110-2012; Preston, Benjamin/B-9001-2012
OI Preston, Benjamin/0000-0002-7966-2386
FU Julius Career Award; CSIRO
FX This work was supported through a Julius Career Award granted to the
lead author by the CSIRO as well as support from the CSIRO Climate
Adaptation Flagship. The authors also acknowledge the assistance of
William Perkins of the U.S Environmental Protection Agency and Dr.
Suraje Dessai of the University of Exeter.
NR 79
TC 95
Z9 98
U1 1
U2 43
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1381-2386
J9 MITIG ADAPT STRAT GL
JI Mitig. Adapt. Strateg. Glob. Chang.
PD APR
PY 2011
VL 16
IS 4
BP 407
EP 438
DI 10.1007/s11027-010-9270-x
PG 32
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 733IL
UT WOS:000288256300002
ER
PT J
AU Sevanto, S
Holtta, T
Holbrook, NM
AF Sevanto, Sanna
Holtta, Teemu
Holbrook, N. Michele
TI Effects of the hydraulic coupling between xylem and phloem on diurnal
phloem diameter variation
SO PLANT CELL AND ENVIRONMENT
LA English
DT Article
DE hydraulic conductance; sap flow; stem diameter variation; xylem diameter
variation
ID DISTANCE WATER TRANSPORT; STEM DIAMETER; SCOTS PINE; SUGAR-TRANSPORT;
NORWAY SPRUCE; TIME LAGS; TREE; FLOW; PLANTS; MODEL
AB Measurements of diurnal diameter variations of the xylem and phloem are a promising tool for studying plant hydraulics and xylem-phloem interactions in field conditions. However, both the theoretical framework and the experimental verification needed to interpret phloem diameter data are incomplete. In this study, we analytically evaluate the effects of changing the radial conductance between the xylem and the phloem on phloem diameter variations and test the theory using simple manipulation experiments. Our results show that phloem diameter variations are mainly caused by changes in the radial flow rate of water between the xylem and the phloem. Reducing the hydraulic conductance between these tissues decreases the amplitude of phloem diameter variation and increases the time lag between xylem and phloem diameter variation in a predictable manner. Variation in the amplitude and timing of diameter variations that cannot be explained by changes in the hydraulic conductance, could be related to changes in the osmotic concentration in the phloem.
C1 [Sevanto, Sanna; Holbrook, N. Michele] Harvard Univ, Dept Organism & Evolutionary Biol, Biol Labs 3119, Cambridge, MA 02138 USA.
[Sevanto, Sanna] Univ Helsinki, Dept Phys, Helsinki 00014, Finland.
RP Sevanto, S (reprint author), Los Alamos Natl Lab, Div Earth & Environm Sci, POB 1663,MS J495, Los Alamos, NM 87454 USA.
EM sanna@lanl.gov
FU Academy of Finland [208492, 1132561]
FX This work was supported by Academy of Finland projects #208492 and
#1132561. The support of Harvard Forest is gratefully acknowledged. The
authors also want to thank Nate McDowell and Will Pockman for insightful
comments on the manuscript.
NR 46
TC 45
Z9 46
U1 6
U2 59
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0140-7791
J9 PLANT CELL ENVIRON
JI Plant Cell Environ.
PD APR
PY 2011
VL 34
IS 4
BP 690
EP 703
DI 10.1111/j.1365-3040.2011.02275.x
PG 14
WC Plant Sciences
SC Plant Sciences
GA 732VV
UT WOS:000288218700013
PM 21241327
ER
PT J
AU Dong, YL
Perez, D
Voter, AF
Martini, A
AF Dong, Yalin
Perez, Danny
Voter, Arthur F.
Martini, Ashlie
TI The Roles of Statics and Dynamics in Determining Transitions Between
Atomic Friction Regimes
SO TRIBOLOGY LETTERS
LA English
DT Article
DE Nanotribology; Stick-slip; Dynamic modeling; Friction mechanisms
ID FORCE MICROSCOPE; SCALE FRICTION; SURFACE; TIP
AB We introduce a model AFM tip/substrate system that includes full atomistic detail as well as system compliance to study the transitions between three regimes of atomic friction: smooth sliding, stick-single slip, and stick-multiple slip. We characterize these atomic friction regimes in terms of static and dynamic effects, and investigate how the slip modes affect the mean friction. Molecular statics calculations show that reduced-order model predictions of possible transitions between slip regimes are generally adequate for a fully atomistic system, even for complex reaction coordinates. However, molecular dynamics simulations demonstrate that, while static features of the system govern possible slip regimes, dynamic effects ultimately determine actual transitions between slip regimes.
C1 [Dong, Yalin; Martini, Ashlie] Purdue Univ, W Lafayette, IN 47907 USA.
[Perez, Danny; Voter, Arthur F.] Los Alamos Natl Lab, Theoret Div T 1, Los Alamos, NM USA.
RP Martini, A (reprint author), Purdue Univ, W Lafayette, IN 47907 USA.
EM a-martini@purdue.edu
RI Dong, Yalin/C-9525-2011; Martini, Ashlie/F-9320-2012
OI Martini, Ashlie/0000-0003-2017-6081
FU National Science Foundation [CMMI- 0758604]; United States Department of
Energy (U.S. DOE) Office of Basic Energy Sciences, Materials Sciences
and Engineering Division; LANL Laboratory Directed Research and
Development Program; U.S. DOE [DE-AC52-06NA25396]
FX We are grateful for the contributions of Jianguo Wu, Dr. Qunyang Li and
Dr. Robert Carpick and to the National Science Foundation for its
support via award CMMI- 0758604. Work at Los Alamos National Laboratory
(LANL) was supported by the United States Department of Energy (U.S.
DOE) Office of Basic Energy Sciences, Materials Sciences and Engineering
Division, and by the LANL Laboratory Directed Research and Development
Program. LANL is operated by Los Alamos National Security, LLC, for the
National Nuclear Security Administration of the U.S. DOE under Contract
No. DE-AC52-06NA25396.
NR 36
TC 12
Z9 12
U1 2
U2 14
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1023-8883
EI 1573-2711
J9 TRIBOL LETT
JI Tribol. Lett.
PD APR
PY 2011
VL 42
IS 1
BP 99
EP 107
DI 10.1007/s11249-011-9750-5
PG 9
WC Engineering, Chemical; Engineering, Mechanical
SC Engineering
GA 733HD
UT WOS:000288252900011
ER
PT J
AU Brandon, EJ
Vozoff, M
Kolawa, EA
Studor, GF
Lyons, F
Keller, MW
Beiermann, B
White, SR
Sottos, NR
Curry, MA
Banks, DL
Brocato, R
Zhou, LS
Jung, SY
Jackson, TN
Champaigne, K
AF Brandon, Erik J.
Vozoff, Max
Kolawa, Elizabeth A.
Studor, George F.
Lyons, Frankel
Keller, Michael W.
Beiermann, Brett
White, Scott R.
Sottos, Nancy R.
Curry, Mark A.
Banks, David L.
Brocato, Robert
Zhou, Lisong
Jung, Soyoun
Jackson, Thomas N.
Champaigne, Kevin
TI Structural health management technologies for inflatable/deployable
structures: Integrating sensing and self-healing
SO ACTA ASTRONAUTICA
LA English
DT Article
DE Inflatable structures; Deployable structures; Distributed sensing;
Structural health monitoring; Self-repairing materials
ID INFLATABLE STRUCTURES; TEAR PROPERTIES; SAW DEVICES; COMPOSITE; SENSORS;
LUNAR; ELECTRONICS; CATALYST; RUPTURE; RUBBER
AB Inflatable/deployable structures are under consideration as habitats for future Lunar surface science operations. The use of non-traditional structural materials combined with the need to maintain a safe working environment for extended periods in a harsh environment has led to the consideration of an integrated structural health management system for future habitats, to ensure their integrity. This article describes recent efforts to develop prototype sensing technologies and new self-healing materials that address the unique requirements of habitats comprised mainly of soft goods. A new approach to detecting impact damage is discussed, using addressable flexible capacitive sensing elements and thin film electronics in a matrixed array. Also, the use of passive wireless sensor tags for distributed sensing is discussed, wherein the need for on-board power through batteries or hardwired interconnects is eliminated. Finally, the development of a novel, microencapuslated self-healing elastomer with applications for inflatable/deployable habitats is reviewed. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Brandon, Erik J.; Vozoff, Max; Kolawa, Elizabeth A.] CALTECH, Jet Prop Lab, NASA, Pasadena, CA 91109 USA.
[Studor, George F.; Lyons, Frankel] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA.
[Keller, Michael W.; Beiermann, Brett; White, Scott R.; Sottos, Nancy R.] Univ Illinois, Urbana, IL 61801 USA.
[Curry, Mark A.; Banks, David L.] Boeing Phantom Works, Seattle, WA 98124 USA.
[Brocato, Robert] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Zhou, Lisong; Jung, Soyoun; Jackson, Thomas N.] Penn State Univ, University Pk, PA 16802 USA.
[Champaigne, Kevin] Invocon Inc, Conroe, TX 77385 USA.
RP Brandon, EJ (reprint author), CALTECH, Jet Prop Lab, NASA, 4800 Oak Grove Dr, Pasadena, CA 91109 USA.
EM erik.j.brandon@jpl.nasa.gov; Max.Vozoff@spacex.com;
Elizabeth.A.Kolawa@jpl.nasa.gov; george.f.studor@nasa.gov;
frankel.lyons-1@nasa.gov; mwkeller@utulsa.edu; bbeierm2@illinois.edu;
swhite@uiuc.edu; n-sottos@uiuc.edu; mark.a.curry@boeing.com;
david.l.banks@boeing.com; rwbroca@sandia.gov; Lisong_zhou@amat.com;
sxj001@uark.edu; tnj1@psu.edu; champaigne@invocon.com
RI Jackson, Thomas/A-4224-2012; Keller, Michael/B-6853-2008
OI Keller, Michael/0000-0002-6069-0280
FU NASA Exploration and Science Mission Directorate
FX The authors thank Chris Moore of NASA Headquarters and Judith Watson of
NASA Langley Research Center for their guidance and support during this
project, Benny Toomarian, Mohammad Mojarradi and Anil Thakoor of JPL for
helpful discussions and John Frassanito and Associates for the use of
the habitat images. This work was performed by the Jet Propulsion
Laboratory, California Institute of Technology through the support of
the NASA Exploration and Science Mission Directorate.
NR 57
TC 14
Z9 14
U1 4
U2 35
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0094-5765
J9 ACTA ASTRONAUT
JI Acta Astronaut.
PD APR-MAY
PY 2011
VL 68
IS 7-8
BP 883
EP 903
DI 10.1016/j.actaastro.2010.08.016
PG 21
WC Engineering, Aerospace
SC Engineering
GA 727SL
UT WOS:000287821600026
ER
PT J
AU Bledsoe, KC
Favorite, JA
Aldemir, T
AF Bledsoe, Keith C.
Favorite, Jeffrey A.
Aldemir, Tunc
TI A comparison of the Covariance Matrix Adaptation Evolution Strategy and
the Levenberg-Marquardt method for solving multidimensional inverse
transport problems
SO ANNALS OF NUCLEAR ENERGY
LA English
DT Article
DE Covariance Matrix Adaptation Evolution Strategy; Levenberg-Marquardt
method; Inverse transport; Passive gamma rays
AB The Covariance Matrix Adaptation Evolution Strategy (CMA-ES), a powerful optimization algorithm that mimics the process of evolution in nature, is applied to the inverse transport problems of interface location identification, source composition identification, and material mass density identification (both separately and combined) in cylindrical radioactive source/shield systems. The energies of discrete gamma-ray lines emitted by the source are assumed to be known, while the uncollided line fluxes are assumed to be measured at points external to the system. CMA-ES is compared to the Levenberg-Marquardt method, a standard gradient-based optimization algorithm, on numerical test cases using both simulated data that is perfectly consistent with the optimization process and with realistic data simulated by Monte Carlo. Numerical results indicate that the Levenberg-Marquardt method is more adept at problems with few unknowns (i.e <= 3), but as the number of unknowns increases, CMA-ES becomes the superior strategy. Results also indicate that a parallel version of CMA-ES would be more robust than, and have competitive run times with, the Levenberg-Marquardt method for many inverse transport problems. Published by Elsevier Ltd.
C1 [Bledsoe, Keith C.; Favorite, Jeffrey A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Aldemir, Tunc] Ohio State Univ, Nucl Engn Program, Columbus, OH 43210 USA.
RP Bledsoe, KC (reprint author), Oak Ridge Natl Lab, Radiat Transport Grp, MS 6170, Oak Ridge, TN 37931 USA.
EM bledsoekc@ornl.gov
OI Bledsoe, Keith/0000-0002-6627-5344
NR 13
TC 7
Z9 7
U1 1
U2 9
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 APR
PY 2011
VL 38
IS 4
BP 897
EP 904
DI 10.1016/j.anucene.2010.09.014
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 720QF
UT WOS:000287294500019
ER
PT J
AU Le Guillou-Buffello, D
Gindre, M
Johnson, P
Laugier, P
Migonney, V
AF Le Guillou-Buffello, Delphine
Gindre, Marcel
Johnson, Paul
Laugier, Pascal
Migonney, Veronique
TI An Alternative Quantitative Acoustical and Electrical Method for
Detection of Cell Adhesion Process in Real-Time
SO BIOTECHNOLOGY AND BIOENGINEERING
LA English
DT Article
DE quartz crystal resonator; biosensors; thickness shear mode; impedance
analysis; cell adhesion
ID QUARTZ-CRYSTAL MICROBALANCE; EXTRACELLULAR-MATRIX; MAMMALIAN-CELLS;
ADHERENT CELLS; WAVE SENSORS; ATTACHMENT; DYNAMICS; MODE; RESONATORS;
PROLIFERATION
AB Sauerbrey [(1956), Z Phys 55:206-222] showed that the shift in resonance frequency of thickness shear mode (TSM) of a quartz crystal sensor is proportional to the mass, which is deposited on it. However, new powerful electrical circuits were developed that are capable of operating TSM quartz crystal sensors in fluids which enabled this method to be introduced into electrochemical and biological applications. These applications include the detection of virus capsids, bacteria, mammalian cells, the interaction of DNA and RNA with complementary strands, specific recognition of protein ligands by immobilized receptors, and last but not least the study of complete immunosensors. Piezoelectric quartz transducers allow a label-free identification of molecules; they are more than mass sensors since the biosensor response is also influenced by the surface charge of adsorbed proteins, interfacial phenomena, surface roughness and viscoelastic properties of the adhered biomaterial. These new characteristics have recently been used to investigate cell, liposome, and protein adhesion onto surfaces, thus permitting the rapid determination of morphological cell changes as a response to pharmacological substances, and changes in the water content of biopolymers avoiding of time-consuming methods. We validated an alternative quantitative acoustical engineering for cell adhesion process monitored by the TSM. Shear acoustical results (motional resistance) are further correlated to cell counting procedures and are sensitive of adhesion processes in real-time. Biotechnol. Bioeng. 2011;108: 947-962. (C) 2010 Wiley Periodicals, Inc.
C1 [Le Guillou-Buffello, Delphine; Gindre, Marcel; Laugier, Pascal] Univ Paris 06, UPMC, UMR 7623, LIP, F-75005 Paris, France.
[Le Guillou-Buffello, Delphine; Gindre, Marcel; Laugier, Pascal] CNRS, UMR 7623, Lab Imagerie Parametr, F-75006 Paris, France.
[Johnson, Paul] Los Alamos Natl Lab, Geophys Grp, Los Alamos, NM USA.
[Migonney, Veronique] Univ Paris 13, Lab Biomat & Polymeres Specialite, Inst Galilee, LBPS CSPBAT CNRS FRE 3043, F-93430 Villetaneuse, France.
RP Le Guillou-Buffello, D (reprint author), Univ Paris 06, UPMC, UMR 7623, LIP, F-75005 Paris, France.
EM delphine.le_guillou@upmc.fr
OI MIGONNEY, VERONIQUE/0000-0002-1055-3720; Johnson,
Paul/0000-0002-0927-4003
FU Ministere de l'Education Nationale de la Jeunesse de la Recherche et de
la Technologie (MENJRT)
FX This study was supported by the Ministere de l'Education Nationale de la
Jeunesse de la Recherche et de la Technologie (MENJRT).
NR 47
TC 8
Z9 8
U1 1
U2 17
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0006-3592
J9 BIOTECHNOL BIOENG
JI Biotechnol. Bioeng.
PD APR
PY 2011
VL 108
IS 4
BP 947
EP 962
DI 10.1002/bit.23005
PG 16
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 730LL
UT WOS:000288034700022
PM 21404267
ER
PT J
AU Mafra, DL
Moujaes, EA
Doorn, SK
Htoon, H
Nunes, RW
Pimenta, MA
AF Mafra, D. L.
Moujaes, E. A.
Doorn, S. K.
Htoon, H.
Nunes, R. W.
Pimenta, M. A.
TI A study of inner process double-resonance Raman scattering in bilayer
graphene
SO CARBON
LA English
DT Article
ID BAND-STRUCTURE; GRAPHITE; SPECTROSCOPY; STRAIN
AB The dispersion of phonons and the electronic structure of graphene systems can be obtained experimentally from the double-resonance (DR) Raman features by varying the excitation laser energy. In a previous resonance Raman investigation of graphene, the electronic structure was analyzed in the framework of the Slonczewski-Weiss-McClure (SWM) model, considering the outer DR process. We analyze the data considering the inner DR process, and obtain SWM parameters that are in better agreement with those obtained from other experimental techniques. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Mafra, D. L.; Moujaes, E. A.; Nunes, R. W.; Pimenta, M. A.] Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil.
[Doorn, S. K.; Htoon, H.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
RP Moujaes, EA (reprint author), Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil.
EM emoujaes@fisica.ufmg.br
RI Mafra, Daniela/F-7442-2012; Nunes, Ricardo Wagner/M-9974-2014; Pimenta,
Marcos/F-2122-2010;
OI Nunes, Ricardo Wagner/0000-0003-2810-8649; , /0000-0003-2015-611X;
Htoon, Han/0000-0003-3696-2896
FU Rede Nacional de Pesquisa em Nanotubos de Carbono - MCT; Brazilian
Agency CNPq; Brazilian Agency FAPEMIG
FX This work was supported by Rede Nacional de Pesquisa em Nanotubos de
Carbono - MCT, and the Brazilian Agencies CNPq and FAPEMIG. Resonance
Raman studies in the near infrared range were conducted at the Center
for Integrated Nanotechnologies, jointly operated by Los Alamos and
Sandia National Laboratories.
NR 32
TC 22
Z9 22
U1 1
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-6223
J9 CARBON
JI Carbon
PD APR
PY 2011
VL 49
IS 5
BP 1511
EP 1515
DI 10.1016/j.carbon.2010.11.053
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 729MA
UT WOS:000287952700001
ER
PT J
AU Huang, XP
Wang, JM
Eres, G
Wang, XW
AF Huang, Xiaopeng
Wang, Jianmei
Eres, Gyula
Wang, Xinwei
TI Thermophysical properties of multi-wall carbon nanotube bundles at
elevated temperatures up to 830 K
SO CARBON
LA English
DT Article
ID THERMAL TRANSPORT-PROPERTIES; CONDUCTIVITY; HEAT; DIFFUSIVITY;
CONDUCTANCE; SHEETS; ARRAYS; FILMS
AB Thermal transport measurements in multi-wall carbon nanotube (MWCNT) bundles at elevated temperatures up to 830 K are reported using a novel generalized electrothermal technique. Compared with individual CNTs, the thermal conductivity (k) of MWCNT bundles is two to three orders of magnitude lower, suggesting the thermal transport in MWCNT bundles is dominated by the tube-to-tube thermal contact resistance. The effective density for the two MWCNT bundles, which is difficult to measure using other techniques, is determined at 116 kg/m(3) and 234 kg/m(3). The thermal diffusivity slightly decreases with temperature while k exhibits a small increase with temperature up to 500 K and then decreases. For the first time, the behavior of specific heat for MWCNTs above room temperature is determined. The specific heat is close to graphite at 300-400 K but is lower than that for graphite above 400 K, indicating that the behavior of phonons in MWCNT bundles is dominated by boundary scattering rather than by the three-phonon Umklapp process. The analysis of the radiation heat loss suggests that it needs to be considered when measuring the thermophysical properties of micro/nano wires of high aspect ratios at elevated temperatures, especially for individual MWCNTs due to their extremely small diameters. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Huang, Xiaopeng; Wang, Jianmei; Wang, Xinwei] Iowa State Univ, Dept Mech Engn, Ames, IA 50011 USA.
[Wang, Jianmei] Wuhan Univ, Dept Energy & Power Engn, Wuhan, Peoples R China.
[Eres, Gyula] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Wang, XW (reprint author), Iowa State Univ, Dept Mech Engn, 2010 Black Engn Bldg, Ames, IA 50011 USA.
EM xwang3@iastate.edu
RI Huang, Xiaopeng/F-4697-2010; Eres, Gyula/C-4656-2017
OI Eres, Gyula/0000-0003-2690-5214
FU National Science Foundation [CBET-0931290, CMMI-0926704]; Iowa State
University; Materials Sciences and Engineering Division, Office of Basic
Energy Sciences, US Department of Energy
FX The authors wish to thank Yanan Yue for the help on the Raman spectra
experiment. We also gratefully acknowledge the support of the National
Science Foundation (CBET-0931290 and CMMI-0926704). Partial support from
the start-up fund of Iowa State University is gratefully acknowledged.
Part of this research (MWCNT synthesis by GE) was sponsored by the
Materials Sciences and Engineering Division, Office of Basic Energy
Sciences, US Department of Energy.
NR 38
TC 21
Z9 21
U1 2
U2 31
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 APR
PY 2011
VL 49
IS 5
BP 1680
EP 1691
DI 10.1016/j.carbon.2010.12.053
PG 12
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 729MA
UT WOS:000287952700020
ER
PT J
AU Valenzuela, J
Wang, JH
AF Valenzuela, Jorge
Wang, Jianhui
TI A probabilistic model for assessing the long-term economics of wind
energy
SO ELECTRIC POWER SYSTEMS RESEARCH
LA English
DT Article
DE Wind energy; Market clearing price; Wind farm revenues
ID PRODUCTION COSTS; POWER; SYSTEM; COMPUTATION; ADEQUACY
AB Understanding the long-term economic impact of wind energy on electricity markets is becoming more important due to the increasing penetration of wind power in the generation mix of power systems. In this paper, we evaluate the economics of wind energy by developing a probabilistic model to compute the long-term probability distribution of market clearing prices and wind farm revenues. The power system is assumed to consist of conventional generating units and wind farms. Availabilities of the generating units and the uncertainty in the wind power output are implicitly accounted for. The effect of increasing wind power penetration on the probability distribution functions of the market price and wind farm revenues is evaluated by changing the rated capacity of the wind farm. The model is illustrated by using a power system with a 32-unit and wind farms. The superiority of the proposed probabilistic model over a deterministic one is confirmed. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Valenzuela, Jorge] Auburn Univ, Dept Ind & Syst Engn, Auburn, AL 36849 USA.
[Wang, Jianhui] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA.
RP Valenzuela, J (reprint author), Auburn Univ, Dept Ind & Syst Engn, 3304 Shelby Ctr, Auburn, AL 36849 USA.
EM valenjo@auburn.edu; jianhui.wang@anl.gov
NR 19
TC 15
Z9 16
U1 0
U2 3
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0378-7796
J9 ELECTR POW SYST RES
JI Electr. Power Syst. Res.
PD APR
PY 2011
VL 81
IS 4
BP 853
EP 861
DI 10.1016/j.epsr.2010.11.015
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA 728UR
UT WOS:000287900500005
ER
PT J
AU Campbell, MA
Chain, PSG
Dang, HY
El Sheikh, AF
Norton, JM
Ward, NL
Ward, BB
Klotz, MG
AF Campbell, Mark A.
Chain, Patrick S. G.
Dang, Hongyue
El Sheikh, Amal F.
Norton, Jeanette M.
Ward, Naomi L.
Ward, Bess B.
Klotz, Martin G.
TI Nitrosococcus watsonii sp. nov., a new species of marine obligate
ammonia-oxidizing bacteria that is not omnipresent in the world's
oceans: calls to validate the names 'Nitrosococcus halophilus' and
'Nitrosomonas mobilis'
SO FEMS MICROBIOLOGY ECOLOGY
LA English
DT Article
DE ammonia oxidation; Nitrosococcus; Nitrosococcus watsonii C-113;
'Nitrosococcus halophilus' Nc4; Nitrosomonas mobilis Nc2
ID 16S RIBOSOMAL-RNA; COMPLETE GENOME SEQUENCE; NITROGEN-CYCLE; BLACK-SEA;
PHYLOGENY; DIVERSITY; EVOLUTION; GENES; DNA; NITRIFICATION
AB Local associations between anammox bacteria and obligate aerobic bacteria in the genus Nitrosococcus appear to be significant for ammonia oxidation in oxygen minimum zones. The literature on the genus Nitrosococcus in the Chromatiaceae family of purple sulfur bacteria (Gammaproteobacteria, Chromatiales) contains reports on four described species, Nitrosococcus nitrosus, Nitrosococcus oceani, 'Nitrosococcus halophilus' and 'Nitrosomonas mobilis', of which only N. nitrosus and N. oceani are validly published names and only N. oceani is omnipresent in the world's oceans. The species 'N. halophilus' with Nc4T as the type strain was proposed in 1990, but the species is not validly published. Phylogenetic analyses of signature genes, growth-physiological studies and an average nucleotide identity analysis between N. oceani ATCC19707T (C-107, Nc9), 'N. halophilus' strain Nc4T and Nitrosococcus sp. strain C-113 revealed that a proposal for a new species is warranted. Therefore, the provisional taxonomic assignment Nitrosococcus watsonii is proposed for Nitrosococcus sp. strain C-113T. Sequence analysis of Nitrosococcus haoAB signature genes detected in cultures enriched from Jiaozhou Bay sediments (China) identified only N. oceani-type sequences, suggesting that different patterns of distribution in the environment correlate with speciation in the genus Nitrosococcus.
C1 [Campbell, Mark A.; El Sheikh, Amal F.; Klotz, Martin G.] Univ Louisville, Dept Biol, Evolutionary & Genom Microbiol Lab, Louisville, KY 40292 USA.
[Chain, Patrick S. G.] Los Alamos Natl Lab, Biosci Div, Genome Sci Grp, Los Alamos, NM USA.
[Chain, Patrick S. G.] Joint Genome Inst, Metagen Program, Walnut Creek, CA USA.
[Chain, Patrick S. G.] Michigan State Univ, Ctr Microbial Ecol, E Lansing, MI 48824 USA.
[Dang, Hongyue; Klotz, Martin G.] China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao, Peoples R China.
[Dang, Hongyue; Klotz, Martin G.] China Univ Petr E China, State Key Lab Heavy Oil Proc, Qingdao, Peoples R China.
[Norton, Jeanette M.] Utah State Univ, Dept Plants Soils & Climate, Logan, UT 84322 USA.
[Ward, Naomi L.] Univ Wyoming, Dept Mol Biol, Laramie, WY 82071 USA.
[Ward, Bess B.] Princeton Univ, Dept Geosci, Princeton, NJ 08544 USA.
[Chain, Patrick S. G.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Ward, Naomi L.] Inst Genom Res, Rockville, MD 20850 USA.
RP Klotz, MG (reprint author), Univ Louisville, Dept Biol, Evolutionary & Genom Microbiol Lab, 139 Life Sci Bldg, Louisville, KY 40292 USA.
EM martin.klotz@louisville.edu
RI chain, patrick/B-9777-2013; Norton, Jeanette/G-2633-2011; Klotz,
Martin/D-2091-2009;
OI Norton, Jeanette/0000-0002-6596-8691; Klotz, Martin/0000-0002-1783-375X;
Chain, Patrick/0000-0003-3949-3634
FU UofL-EVPR office; U.S. National Science Foundation [EF-0412129,
EPS-0447681]; China National Science Foundation [41076091]; Office of
Science of the U.S. Department of Energy [DE-AC02-05CH11231]
FX We would like to thank Dr Jean P. Euzeby (Ecole Nationale Veterinaire,
Toulouse, France), Dr George M. Garrity (Michigan State University) and
anonymous reviewers of a previous version of this manuscript for
invaluable taxonomic advice. Pertinent taxonomic information was
accessed through the 'NAMES FOR LIFE' online tool
(http://namesforlife.com). Technical assistance by undergraduate student
David Griffith (UofL) is acknowledged. This project was supported in
part by incentive funds provided by the UofL-EVPR office (M.A.C. and
M.G.K.), U.S. National Science Foundation grants EF-0412129 (A.F.E.S.
and M.G.K.) and EPS-0447681 (N.L.W.), and the China National Science
Foundation grant 41076091 (H.D. and M.G.K.). The genome sequencing 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 Number DE-AC02-05CH11231.
NR 57
TC 20
Z9 20
U1 2
U2 29
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0168-6496
J9 FEMS MICROBIOL ECOL
JI FEMS Microbiol. Ecol.
PD APR
PY 2011
VL 76
IS 1
BP 39
EP 48
DI 10.1111/j.1574-6941.2010.01027.x
PG 10
WC Microbiology
SC Microbiology
GA 730ZF
UT WOS:000288075400004
PM 21204874
ER
PT J
AU Forssen, C
Navratil, P
Quaglioni, S
AF Forssen, Christian
Navratil, Petr
Quaglioni, Sofia
TI The ab initio No-Core Shell Model and Light Nuclei
SO FEW-BODY SYSTEMS
LA English
DT Article
ID ENERGY-LEVELS; C-12
AB The ab initio no-core shell model (NCSM) is a well-established theoretical framework aimed at an exact description of nuclear structure starting from high-precision interactions between the nucleons. In the NCSM we consider a system of A point-like, non-relativistic nucleons that interact by realistic inter-nucleon interactions. We consider two-nucleon interactions that reproduce nucleon-nucleon phase shifts with high precision, typically up to 350 MeV lab energy. We can also include three-nucleon interactions with terms, e.g., related to two-pion exchanges with an intermediate delta excitation. Both semi-phenomenological potentials, based on meson-exchange models, as well as modern chiral interactions can be considered. The performance of the NCSM within nuclear physics will be exemplified by showing results from studies of light nuclei. Major challenges in the future development of the method will be outlined.
C1 [Forssen, Christian] Chalmers, Dept Fundamental Phys, S-41296 Gothenburg, Sweden.
[Navratil, Petr; Quaglioni, Sofia] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Forssen, C (reprint author), Chalmers, Dept Fundamental Phys, S-41296 Gothenburg, Sweden.
EM christian.forssen@chalmers.se
RI Forssen, Christian/C-6093-2008
OI Forssen, Christian/0000-0003-3458-0480
FU Swedish Research Council; European Research Council; European Community
- Research Infrastructure Action; LLNL [DE-AC52-07NA27344]; UNEDF
SciDAC; DOE [DE-FC02-07ER41457]
FX Discussions with H. Fynbo and J. Vary and the ECT* workshop participants
are gratefully acknowledged. Financial support was received from the
Swedish Research Council and the European Research Council under the
FP7. Participation in the ECT* workshop "Relativistic Description of
Two- and Three-Body Systems in Nuclear Physics" was partly funded by the
HadronPhysics2 project of the European Community - Research
Infrastructure Action under the FP7. Prepared in part by LLNL under
Contract DE-AC52-07NA27344. Supported in part by the UNEDF SciDAC
Collaboration under DOE grant DE-FC02-07ER41457.
NR 27
TC 1
Z9 1
U1 0
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 APR
PY 2011
VL 49
IS 1-4
BP 11
EP 18
DI 10.1007/s00601-010-0106-8
PG 8
WC Physics, Multidisciplinary
SC Physics
GA 729DK
UT WOS:000287928500003
ER
PT J
AU Jeschonnek, S
Van Orden, JW
AF Jeschonnek, Sabine
Van Orden, J. W.
TI Exclusive Scattering from Unpolarized and Polarized Deuteron
SO FEW-BODY SYSTEMS
LA English
DT Article
AB We present results for exclusive electron scattering from polarized and unpolarized deuteron. We employ the Gross equation to describe the deuteron ground state, and we use the SAID parametrization of the full NN scattering amplitude to describe the final state interactions. We discuss properties of various asymmetries accessible with a polarized deuteron target and/or a polarized beam.
C1 [Jeschonnek, Sabine] Ohio State Univ, Dept Phys, Lima, OH 45804 USA.
[Van Orden, J. W.] Old Dominion Univ, Dept Phys, Norfolk, VA 23529 USA.
[Van Orden, J. W.] Jefferson Lab, Newport News, VA 23606 USA.
RP Jeschonnek, S (reprint author), Ohio State Univ, Dept Phys, Lima, OH 45804 USA.
EM jeschonnek.1@osu.edu; vanorden@jlab.org
OI Jeschonnek, Sabine/0000-0002-8603-7589
FU U.S. Department of Energy (DOE) [DE-AC05-84ER40150]; National Science
Foundation [PHY-0653312]; Jefferson Science Associates, LLC under U.S.
DOE [DE-AC05-06OR23177]
FX This work was supported in part by funds provided by the U.S. Department
of Energy (DOE) under cooperative research agreement under No.
DE-AC05-84ER40150 and by the National Science Foundation under grant No.
PHY-0653312.; Authored by Jefferson Science Associates, LLC under U.S.
DOE Contract No. DE-AC05-06OR23177. The U. S. Government retains a
non-exclusive, paid-up, irrevocable, world-wide license to publish or
reproduce this manuscript for U.S. Government purposes.
NR 19
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
J9 FEW-BODY SYST
JI Few-Body Syst.
PD APR
PY 2011
VL 49
IS 1-4
BP 65
EP 70
DI 10.1007/s00601-010-0109-5
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 729DK
UT WOS:000287928500010
ER
PT J
AU Stadler, A
Gross, F
AF Stadler, Alfred
Gross, Franz
TI Covariant Spectator Theory: Foundations and Applications
SO FEW-BODY SYSTEMS
LA English
DT Article
ID RELATIVISTIC RESONANCE MODEL; ELASTIC ELECTRON-SCATTERING;
PROTON-NUCLEUS SCATTERING; 3-NUCLEON BOUND-STATES; FEW-BODY PROBLEM;
3-BODY FORCES; LIGHT-NUCLEI; EQUATIONS; ENERGY; DELTA
AB We provide a short overview of the covariant spectator theory and its applications. The basic ideas are introduced through the example of a phi(4)-type theory. High-precision models of the two-nucleon interaction are presented and the results of their use in calculations of properties of the two- and three-nucleon systems are discussed. A short summary of applications of this framework to other few-body systems is also presented.
C1 [Stadler, Alfred] Univ Evora, Dept Fis, P-7000671 Evora, Portugal.
[Stadler, Alfred] Univ Lisbon, Ctr Fis Nucl, P-1649003 Lisbon, Portugal.
[Gross, Franz] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Gross, Franz] Coll William & Mary, Williamsburg, VA 23187 USA.
RP Stadler, A (reprint author), Univ Evora, Dept Fis, P-7000671 Evora, Portugal.
EM stadler@uevora.pt; gross@jlab.org
RI Stadler, Alfred/C-5550-2009
OI Stadler, Alfred/0000-0002-9596-0770
FU Jefferson Science Associates, LLC under U.S. DOE [DE-AC05-06OR23177];
Fundacao para a Ciencia e a Tecnologia (FCT) [POCTI/ISFL/2/275]
FX F. G. was supported by Jefferson Science Associates, LLC under U.S. DOE
Contract No. DE-AC05-06OR23177. A. S. was supported by Fundacao para a
Ciencia e a Tecnologia (FCT) under grant No. POCTI/ISFL/2/275.
NR 56
TC 8
Z9 8
U1 0
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 APR
PY 2011
VL 49
IS 1-4
BP 91
EP 110
DI 10.1007/s00601-010-0105-9
PG 20
WC Physics, Multidisciplinary
SC Physics
GA 729DK
UT WOS:000287928500014
ER
PT J
AU Pena, MT
Ramalho, G
Gross, F
AF Pena, M. T.
Ramalho, G.
Gross, Franz
TI Electromagnetic Structure of the Delta Baryon within the Covariant
Spectator Theory
SO FEW-BODY SYSTEMS
LA English
DT Article
AB We calculated all the electromagnetic observables for the nucleon and its lowest-lying Delta(1232) excitation within a constituent quark model for those two baryons based on the covariant spectator theory. Once the reactions gamma N -> N and gamma N -> Delta were described, we predicted without further adjusting of parameters the four electromagnetic Delta form factors: the electric charge G (E0), the magnetic dipole G (M1), the electric quadrupole G (E2) and the magnetic octupole G (M3). The results are compatible with the available experimental data and recent lattice QCD data.
C1 [Pena, M. T.; Ramalho, G.] Univ Tecn Lisboa, Inst Super Tecn, Ctr Fis Teor Particulas, P-1049001 Lisbon, Portugal.
[Pena, M. T.; Ramalho, G.] Univ Tecn Lisboa, Inst Super Tecn, Dpt Phys, P-1049001 Lisbon, Portugal.
[Gross, Franz] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Pena, MT (reprint author), Univ Tecn Lisboa, Inst Super Tecn, Ctr Fis Teor Particulas, Av Rovisco Pais, P-1049001 Lisbon, Portugal.
EM teresa.pena@ist.utl.pt; gilberto@cfpt.ist.utl.pt; gross@jlab.org
RI Pena, Teresa/M-4683-2013
OI Pena, Teresa/0000-0002-3529-2408
FU Jefferson Science Associates, LLC under U. S. DOE [DE-AC05-06OR23177];
Fundacao para a Ciencia e a Tecnologia (FCT) [SFRH/BPD/26886/2006];
European Union
FX F. G. was supported by Jefferson Science Associates, LLC under U. S. DOE
Contract No. DE-AC05-06OR23177. G. R. was supported by Fundacao para a
Ciencia e a Tecnologia (FCT) under Grant No. SFRH/BPD/26886/2006. This
work has been supported in part by the European Union (HadronPhysics2
project Study of Strongly Interacting Matter).
NR 18
TC 0
Z9 0
U1 0
U2 3
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
J9 FEW-BODY SYST
JI Few-Body Syst.
PD APR
PY 2011
VL 49
IS 1-4
BP 111
EP 119
DI 10.1007/s00601-010-0175-8
PG 9
WC Physics, Multidisciplinary
SC Physics
GA 729DK
UT WOS:000287928500015
ER
PT J
AU Nicmorus, D
Eichmann, G
Krassnigg, A
Alkofer, R
AF Nicmorus, D.
Eichmann, G.
Krassnigg, A.
Alkofer, R.
TI Delta Properties in the Rainbow-Ladder Truncation of Dyson-Schwinger
Equations
SO FEW-BODY SYSTEMS
LA English
DT Article
ID QUARK-GLUON VERTEX; HADRON PHYSICS; SYMMETRY-BREAKING; LATTICE QCD;
NUCLEON; MASS; CONFINEMENT; COVARIANT; MOMENTS; BARYONS
AB We present a calculation of the three-quark core contribution to nucleon and Delta-baryon masses and Delta electromagnetic form factors in a Poincar,-covariant Faddeev approach. A consistent setup for the dressed-quark propagator, the quark-quark, quark-'diquark' and quark-photon interactions is employed, where all ingredients are solutions of their respective Dyson-Schwinger or Bethe-Salpeter equations in a rainbow-ladder truncation. The resulting Delta electromagnetic form factors concur with present experimental and lattice data.
C1 [Nicmorus, D.] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies FIAS, D-60438 Frankfurt, Germany.
[Eichmann, G.] Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany.
[Krassnigg, A.; Alkofer, R.] Karl Franzens Univ Graz, Inst Phys, A-8010 Graz, Austria.
RP Nicmorus, D (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
EM nicmorus@th.physik.uni-frankfurt.de
OI Eichmann, Gernot/0000-0002-0546-2533
FU Austrian Science Fund FWF [P20592-N16, P20496-N16, J3039]; Helmholtz
Young Investigator Grant [VH-NG-332]; Helmholtz International Center for
FAIR
FX We thank M. Blank, I.C. Cloet, C.S. Fischer, G. Ramalho, M. Schwinzerl,
and R. Williams for fruitful discussions. This work was supported by the
Austrian Science Fund FWF under Projects No. P20592-N16, No. P20496-N16,
and Erwin-Schrodinger-Stipendium No. J3039, by the Helmholtz Young
Investigator Grant VH-NG-332, and by the Helmholtz International Center
for FAIR within the framework of the LOEWE program launched by the State
of Hesse, GSI, BMBF and DESY.
NR 49
TC 9
Z9 9
U1 0
U2 0
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0177-7963
J9 FEW-BODY SYST
JI Few-Body Syst.
PD APR
PY 2011
VL 49
IS 1-4
BP 255
EP 261
DI 10.1007/s00601-010-0194-5
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 729DK
UT WOS:000287928500026
ER
PT J
AU Swarbreck, SM
Sudderth, EA
St Clair, SB
Salve, R
Castanha, C
Torn, MS
Ackerly, DD
Andersen, GL
AF Swarbreck, Stephanie M.
Sudderth, Erika A.
St Clair, Samuel B.
Salve, Rohit
Castanha, Cristina
Torn, Margaret S.
Ackerly, David D.
Andersen, Gary L.
TI Linking leaf transcript levels to whole plant analyses provides
mechanistic insights to the impact of warming and altered water
availability in an annual grass
SO GLOBAL CHANGE BIOLOGY
LA English
DT Article
DE Avena barbata; drought; flowering; glutamine synthetase; nitrogen;
photosynthesis; senescence; warming
ID ELEVATED CARBON-DIOXIDE; AMINO-ACID-METABOLISM; GLUTAMINE-SYNTHETASE;
NITRATE REDUCTASE; GENE-EXPRESSION; ARABIDOPSIS-THALIANA;
CLIMATE-CHANGE; AMMONIUM ASSIMILATION; ECOLOGICAL GENOMICS;
NITROGEN-METABOLISM
AB Insights into the effects of climatic changes on primary metabolism in plants will enhance our understanding of ecosystem response to global climate change. In a greenhouse experiment, we studied the impact of total annual rainfall, intermittent wet and dry periods, and increased soil and air temperature (+3 degrees C) on an annual C(3) grass, Avena barbata, dominant in many California and Mediterranean grasslands. In order to gain a mechanistic understanding of plant response, analyses were carried out at scales ranging from the leaf (gene expression and enzyme activity) to the whole plant (biomass and phenology). Plant gene expression was more responsive to short-term changes in water availability (wet vs. dry periods) than to differences in cumulative rainfall. The effect of elevated temperature depended on total rainfall: flowering started earlier in high vs. low temperature under high rainfall, but not under low rainfall. Gene expression indicative of advanced development could be measured in leaves several weeks before flowering, linking gene expression to the phenological impact of altered climate. Given these responses of a dominant annual grass to manipulation of rain and temperature, we suggest that the impact of increased temperature on California annual grasslands will vary between wet and dry years. In wet years, biomass production will increase and flowering will occur earlier compared with dry years. Leaf transcript abundance analyses provided insights into the mechanisms of plant response to warming and altered precipitation patterns.
C1 [Swarbreck, Stephanie M.; Salve, Rohit; Castanha, Cristina; Torn, Margaret S.; Ackerly, David D.; Andersen, Gary L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Sudderth, Erika A.; Ackerly, David D.] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA.
[St Clair, Samuel B.] Brigham Young Univ, Dept Plant & Wildlife Sci, Provo, UT 84602 USA.
RP Swarbreck, SM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM Stephanie.swarbreck@gmail.com
RI Castanha, Cristina/D-3247-2015; Ackerly, David/A-1247-2009; Young,
Kristina/M-3069-2014; Andersen, Gary/G-2792-2015; Torn,
Margaret/D-2305-2015
OI Castanha, Cristina/0000-0001-7327-5169; Swarbreck, Stephanie
M./0000-0001-8355-7354; Ackerly, David/0000-0002-1847-7398; Andersen,
Gary/0000-0002-1618-9827;
FU Climate Change Research Division; University of California, Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; US Department of
Energy's Office of Science
FX We are thankful to Markus Kleber and Alex Morales for assistance with
soil collection and mesocosm construction, and Marc Fischer for
assistance with soil and greenhouse climate data. We also thank Melissa
Crago, Tara Macomber, Paul Cook, Julia Shams, and Kallista Bley for
helping to maintain the watering system and assisting with sample
collection and measurements. This work was performed under the auspices
of the US Department of Energy's Office of Science, Biological and
Environmental and Research Program, Climate Change Research Division,
and by the University of California, Lawrence Berkeley National
Laboratory, under Contract No. DE-AC02-05CH11231.
NR 65
TC 9
Z9 9
U1 6
U2 47
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1354-1013
J9 GLOBAL CHANGE BIOL
JI Glob. Change Biol.
PD APR
PY 2011
VL 17
IS 4
BP 1577
EP 1594
DI 10.1111/j.1365-2486.2010.02359.x
PG 18
WC Biodiversity Conservation; Ecology; Environmental Sciences
SC Biodiversity & Conservation; Environmental Sciences & Ecology
GA 728CZ
UT WOS:000287853000007
ER
PT J
AU Watson, DJ
Strom, DJ
AF Watson, David J.
Strom, Daniel J.
TI RADIATION DOSES TO MEMBERS OF THE US POPULATION FROM UBIQUITOUS
RADIONUCLIDES IN THE BODY: PART 1, AUTOPSY AND IN VIVO DATA
SO HEALTH PHYSICS
LA English
DT Article
DE dosimetry; internal; radiation; background; thorium; uranium
ID NEW-YORK-CITY; SOFT-TISSUES; HUMAN-BONE; UNITED-STATES; WHOLE-BODY;
RADIUM-226; LEAD-210; POTASSIUM; RESIDENTS; EXPOSURE
AB This paper is Part 1 of a three-part series investigating steady-state effective dose rates to residents of the United States from intakes of ubiquitous radionuclides, including radionuclides occurring naturally, radionuclides whose concentrations are technologically enhanced, and anthropogenic radionuclides. This series of papers explicitly excludes intakes from inhaling Rn-222, Rn-220, and their short-lived decay products; it also excludes intakes of radionuclides in occupational and medical settings. In this work, it is assumed that instantaneous dose rates in target organs are proportional to steady-state radionuclide concentrations in source regions. The goal of Part 1 of this work was to review, summarize, and characterize all published and some unpublished data for U. S. residents on ubiquitous radionuclide concentrations in tissues and organs. Forty-five papers and reports were obtained and their data reviewed, and three data sets were obtained via private communication. The 45 radionuclides of interest are the U-238 series (14 nuclides), the actinium series (headed by U-235; 11 nuclides), and the Th-232 series (11 nuclides); primordial radionuclides Rb-87 and K-40; cosmogenic and fallout radionuclides C-14 and H-3; and purely anthropogenic radionuclides Cs-137-(137)mBa, I-129, and Sr-90-Y-90. Measurements judged to be relevant were available for only 15 of these radionuclides: U-238, U-235, U-234, Th-232, Th-230, Th-228, Ra-228, Ra-226, Pb-210, Po-210, Cs-137, Rb-87, K-40, C-14, and H-3. Recent and relevant measurements were not available for I-129 and Sr-90-Y-90. A total of 11,741 radionuclide concentration measurements were found in one or more tissues or organs from 14 states. Data on age, gender, geographic locations, height, and weight of subjects were available only sporadically. Too often authors did not provide meaningful values of uncertainty of measurements, so that variability in data sets is confounded with measurement uncertainty. The following papers detail how these shortcomings are overcome to achieve the goals of the three-part series. Health Phys. 100(4): 359-376; 2011
C1 [Strom, Daniel J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Strom, DJ (reprint author), Battelle Mem Inst, Richland, WA 99352 USA.
EM strom@pnl.gov
OI Strom, Daniel J/0000-0002-1710-3634
FU U.S. Department of Energy [DE-AC05-76RL01830]
FX The authors would like to thank Paul S. Stansbury, R. Gene Schreckhise,
and Bruce A. Napier for insightful discussions and guidance; Michael G.
Stabin for providing dose factors and advice; Timothy P. Lynch for
providing 40K and 137Cs whole body-data; Anthony
C. James and Sergei Y. Tolmachev for graciously providing uranium and
thorium data; Isabelle M. Fisenne for locating and digitizing one of her
reports; Samuel E. Glover for discussions; and Fred A. Mettler for
providing UNSCEAR data. The findings and conclusions in this report are
those of the authors and do not necessarily represent the views of any
funding agency. Pacific Northwest National Laboratory is operated by
Battelle for the U.S. Department of Energy under Contract
DE-AC05-76RL01830.
NR 53
TC 4
Z9 4
U1 1
U2 5
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD APR
PY 2011
VL 100
IS 4
BP 359
EP 376
DI 10.1097/HP.0b013e318203d7fb
PG 18
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 726QO
UT WOS:000287741400001
PM 21350344
ER
PT J
AU Watson, DJ
Strom, DJ
AF Watson, David J.
Strom, Daniel J.
TI RADIATION DOSES TO MEMBERS OF THE US POPULATION FROM UBIQUITOUS
RADIONUCLIDES IN THE BODY: PART 2, METHODS AND DOSE CALCULATIONS
SO HEALTH PHYSICS
LA English
DT Article
DE dosimetry, internal; radiation, background; thorium; uranium
ID UNCERTAINTY ANALYSIS; DISTRIBUTIONS; MODELS; ERRORS; LIMITS; POWER
AB This paper is Part 2 of a three-part series investigating effective dose rates to residents of the United States from intakes of ubiquitous radionuclides, including radionuclides occurring naturally, radionuclides whose concentrations are technologically enhanced, and anthropogenic radionuclides. This series of papers explicitly excludes intakes from inhaling Rn-222, Rn-220, and their short-lived decay products; it also excludes intakes of radionuclides in occupational and medical settings. In this work, it is assumed that instantaneous dose rates in target organs are proportional to steady-state radionuclide concentrations in source regions. Part 1 reviewed, summarized, characterized, and grouped all published and some unpublished data for U.S. residents on ubiquitous radionuclide concentrations in tissues and organs. Assumptions about equilibrium with long-lived parents are made for the 28 other radionuclides in these series lacking data. This paper describes the methods developed to group the collected data into source regions described in the Radiation Dose Assessment Resource (RADAR) dosimetric methodology. Methods for converting the various units of data published over 50 y into a standard form are developed and described. Often, meaningful values of uncertainty of measurements were not published, so that variability in data sets is confounded with measurement uncertainty. A description of the methods developed to estimate variability is included in this paper. The data described in Part 1 are grouped by gender and age to match the RADAR dosimetric phantoms. Within these phantoms, concentration values are grouped into source tissue regions by radionuclide, and they are imputed for source regions lacking tissue data. Radionuclide concentrations are then imputed for the source regions of other phantoms with missing concentration values, and the uncertainties of the imputed values are increased. The concentrations of hollow organs' contents are calculated, and activities are apportioned to the bone source regions using assumptions about each radionuclide's bone-seeking behavior. The data sets are then ready to be used to estimate equivalent dose rates to target tissues from these source regions. The target tissues are then mapped to lists of tissues with International Commission on Radiation Protection (ICRP) tissue weighting factors, or they are mapped to surrogate tissue regions when there is no direct match. Effective dose rates, using ICRP tissue weighting factors recommended in 1977, 1990, and 2007, can be calculated from the tissue and organ equivalent dose rates. These effective dose rates are reported in Part 3 of this series. Health Phys. 100(4): 377-401; 2011
C1 [Strom, Daniel J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Strom, DJ (reprint author), Battelle Mem Inst, Richland, WA 99352 USA.
EM strom@pnl.gov
OI Strom, Daniel J/0000-0002-1710-3634
FU U.S. Department of Energy [DE-AC05-76RL01830]
FX The authors would like to thank Paul S. Stansbury, R. Gene Schreckhise,
and Bruce A. Napier for insightful discussions and guidance as well as
Michael G. Stabin for providing dose factors and advice. The authors
acknowledge many helpful comments and suggestions from two anonymous
reviewers. The findings and conclusions in this report are those of the
authors and do not necessarily represent the views of any funding
agency. Pacific Northwest National Laboratory is operated for the U.S.
Department of Energy by Battelle under Contract DE-AC05-76RL01830.
NR 30
TC 1
Z9 1
U1 0
U2 0
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD APR
PY 2011
VL 100
IS 4
BP 377
EP 401
DI 10.1097/HP.0b013e318203d9a7
PG 25
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 726QO
UT WOS:000287741400002
PM 21350345
ER
PT J
AU Watson, DJ
Strom, DJ
AF Watson, David J.
Strom, Daniel J.
TI RADIATION DOSES TO MEMBERS OF THE US POPULATION FROM UBIQUITOUS
RADIONUCLIDES IN THE BODY: PART 3, RESULTS, VARIABILITY, AND UNCERTAINTY
SO HEALTH PHYSICS
LA English
DT Article
DE dosimetry, internal; radiation, background; thorium; uranium
AB This paper is Part 3 of a three-part series investigating effective dose rates to residents of the United States from intakes of ubiquitous radionuclides, including radionuclides occurring naturally, radionuclides whose concentrations are technologically enhanced, and anthropogenic radionuclides. The radionuclides of interest are the U-238 series (14 nuclides), the actinium series (headed by U-235; 11 nuclides), and the Th-232 series (11 nuclides); primordial radionuclides Rb-87 and (40) K; cosmogenic and fallout radionuclides C-14 and H-3; and purely anthropogenic radionuclides Cs-137-(137)mBa, I-129 and Sr-90-Y-90. This series of papers explicitly excludes intakes from inhaling Rn-222, Rn-220, and their short-lived decay products; it also excludes intakes of radionuclides in occupational and medical settings. In this work, it is assumed that instantaneous dose rates in target organs are proportional to steady-state radionuclide concentrations in source regions. Part 1 reviewed, summarized, characterized, and grouped all published and some unpublished data for U. S. residents on ubiquitous radionuclide concentrations in tissues and organs. Part 2 described the methods used to organize the data collected in Part 1 and segregate it into the ages and genders defined by the study, including imputed missing values from the existing data, apportioned activity in bone, and imputed activity in hollow organ contents and the remainder of the body. This paper estimates equivalent dose rates to target tissues from source regions and maps target tissues to lists of tissues with International Commission on Radiation Protection (ICRP) tissue-weighting factors or to surrogate tissue regions when there is no direct match. Effective dose rates using ICRP tissue-weighting factors recommended in 1977, 1990, and 2007, are then calculated, and an upper bound of variability of the effective dose rate is estimated by calculating the average coefficients of variation (CV), assuming all variance is due to variability. Most of the data were for adult males, whose average effective dose rate is estimated to be 337 mu Sv y(-1) (CV = 0.65, geometric mean = 283 mu Sv y(-1), geometric standard deviation s(G) = 1.81) using 2007 ICRP tissue-weighting factors. This result is between the National Council on Radiation Protection and Measurements' 1987 estimate of 390 mu Sv y(-1) (using 1977 w(T)s) and its 2009 estimate of 285 mu Sv y(-1) (using 2007 w(T)s) and is higher than the United Nations Scientific Committee on the Effects of Atomic Radiation's 2000 estimate of 310 mu Sv y(-1) (using 1990 w(T)s). The methods and software developed for this project are sufficiently detailed and sufficiently general to be usable with autopsy data from any or all countries. Health Phys. 100(4): 402-416; 2011
C1 [Strom, Daniel J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Strom, DJ (reprint author), Battelle Mem Inst, Richland, WA 99352 USA.
EM strom@pnl.gov
OI Strom, Daniel J/0000-0002-1710-3634
FU U.S. Department of Energy [DE-AC05-76RL01830]
FX The authors would like to thank Paul S. Stansbury, R. Gene Schreckhise,
and Bruce A. Napier for insightful discussions and guidance, and Michael
G. Stabin for providing dose factors and advice. The findings and
conclusions in this report are those of the authors and do not
necessarily represent the views of any funding agency. Pacific Northwest
National Laboratory is operated for the U.S. Department of Energy by
Battelle under Contract DE-AC05-76RL01830.
NR 18
TC 0
Z9 0
U1 0
U2 2
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD APR
PY 2011
VL 100
IS 4
BP 402
EP 416
DI 10.1097/HP.0b013e318203d9d0
PG 15
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 726QO
UT WOS:000287741400003
PM 21350346
ER
PT J
AU Justus, AL
AF Justus, Alan L.
TI A NEW INTEGRAL-MODE SURVEY METHOD FOR THE DETERMINATION OF AVERAGE
SURFACE CONTAMINATION LEVELS
SO HEALTH PHYSICS
LA English
DT Article
DE activity-weighted size distributions; instrumentation; radioactivity,
residual; scanning
AB A new integral-mode survey method is described for the direct measurement of average surface contamination levels. It is a method made possible by the modern generation of integrating ratemeters. Experiments were conducted to show both the effects of sources at a distance from or off-center from a probe. Case trials were conducted that demonstrated the method. It allows essentially four surveys to be performed for the price of one. Health Phys. 100(4): 435-441; 2011
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Justus, AL (reprint author), Los Alamos Natl Lab, MS J573, Los Alamos, NM 87545 USA.
EM ajustus@lanl.gov
FU U.S. Department of Energy at ANL [W-31-109-Eng-38]; Los Alamos National
Laboratory [DE-AC52-06NA25396]; U.S. Department of Energy
FX The U.S. Department of Energy supported this work at ANL under Contract
W-31-109-Eng-38. The author is indebted to Chad Westphal, an ANL summer
student, for providing the data and analysis in the experiment using the
copper masking plates with slots, and to Dave Pepalis for the
manufacture and information on the so-called ANL Plate Sources. The
author would also like to thank Mac Robinet, Lee Sprouse, Jr., and Bill
Munyon for providing the data used in the Actual Case Trials. They were
subsequently also involved in technician training exercises and the
actual field use of this method in the performance of both
characterization and pre-certification surveys.; This work has been
authored by an employee of Los Alamos National Security, LLC, operator
of the Los Alamos National Laboratory under Contract No.
DE-AC52-06NA25396 with the U.S. Department of Energy. The United States
Government retains and the publisher, by accepting this work for
publication, acknowledges that the United States Government retains a
nonexclusive, paid-up, irrevocable, world-wide license to publish or
reproduce this work, or allow others to do so for United States
Government purposes.
NR 3
TC 0
Z9 0
U1 0
U2 0
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD APR
PY 2011
VL 100
IS 4
BP 435
EP 441
DI 10.1097/HP.0b013e3181f8a87a
PG 7
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 726QO
UT WOS:000287741400005
PM 21350348
ER
PT J
AU Armstrong, A
Crawford, M
Koleske, D
AF Armstrong, A.
Crawford, M. H.
Koleske, D. D.
TI Quantitative and Depth-Resolved Investigation of Deep-Level Defects in
InGaN/GaN Heterostructures
SO JOURNAL OF ELECTRONIC MATERIALS
LA English
DT Article; Proceedings Paper
CT 52nd Electronic Materials Conference (EMC)
CY JUN 23-25, 2010
CL Notre Dame, IN
DE Deep level; compound semiconductor; InGaN
ID FIELD-EFFECT TRANSISTORS; OPTICAL-PROPERTIES; STOKES SHIFT; GAN;
POLARIZATION; EPILAYERS
AB Deep-level defects in In0.17Ga0.83N/In0.02Ga0.98N/p-GaN:Mg heterostructures were studied using deep-level optical spectroscopy (DLOS). Depth-resolved DLOS was achieved by exploiting the polarization-induced electric fields to discriminate among defects located in the In0.17Ga0.83N and the In0.02Ga0.98N regions. Growth conditions for the In (x) Ga1-x N layers were nominally the same as those in InGaN/GaN multi-quantum-well (MQW) structures, so the defect states reported here are expected to be active in MQW regions. Thus, this work provides important insight into defects that are likely to influence MQW radiative efficiency. In0.17Ga0.83N-related bandgap states were observed at E (v) + 1.60 eV and E (v) + 2.59 eV, where E (v) is the valence-band maximum, compared with levels at E (v) + 1.85 eV, E (v) + 2.51 eV, and E (v) + 3.30 eV in the In0.02Ga0.98N region. A lighted capacitance-voltage technique was used to determine the areal density of deep states. The possible origins of the associated defects are considered along with their potential roles in light-emitting diodes.
C1 [Armstrong, A.; Crawford, M. H.; Koleske, D. D.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Armstrong, A (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA.
EM aarmstr@sandia.gov
FU EERE/NETL; US Department of Energy [M6802094]; US Department of Energy,
Office of Basic Energy Sciences; National Nuclear Security
Administration [DE-AC04-94AL85000]
FX DLOS measurements at 0 V, modeling, and growth were supported by
EERE/NETL, US Department of Energy under Project Number M6802094 (Brian
Dotson and Sean Evans, Program Managers), and reverse-bias DLOS
measurements were supported by Sandia's Solid-State Lighting Science
Energy Frontier Research Center, funded by the US Department of Energy,
Office of Basic Energy Sciences. Sandia is a multiprogram laboratory
operated by Sandia Corporation, a Lockheed Martin Company, for the US
Department of Energy's National Nuclear Security Administration under
Contract No. DE-AC04-94AL85000.
NR 24
TC 4
Z9 4
U1 4
U2 13
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 APR
PY 2011
VL 40
IS 4
BP 369
EP 376
DI 10.1007/s11664-010-1453-4
PG 8
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Applied
SC Engineering; Materials Science; Physics
GA 726XB
UT WOS:000287759100003
ER
PT J
AU Matthews, WJ
More, KL
Walker, LR
AF Matthews, Wendy J.
More, Karren L.
Walker, Larry R.
TI Primary Surface Recuperator Alloy Oxidation: A Comparison of Accelerated
Engine Testing to Field Operation
SO JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE
ASME
LA English
DT Article
AB The Capstone C65 Microturbine primary surface recuperator (PSR) core has been manufactured from Haynes alloy HR-120 since 2005 (Microturbine is a registered trademark of Capstone Turbine Corporation; Haynes and HR-120 are trademarks of Haynes International, Inc.). When exposed to the harsh operating environment of the microturbine PSR, HR-120 forms a protective oxide scale that is resistant to the effects of the water vapor present in the exhaust gas. Long-term accelerated microturbine testing with samples in a modified PSR with a removable aft dome is ongoing at an elevated turbine exit temperature (TET) similar to 100 degrees F higher than normal operation. The elevated TET test engine is operated at steady-state conditions, and the engine is shut down at predetermined intervals for sample removal. Material characterization of the elevated TET samples has been carried out by Capstone Turbine Corporation in collaboration with Oak Ridge National Laboratory. The surface oxide scale formation and associated alloy compositional changes have been evaluated for elevated TET samples with operating lives ranging from similar to 1800 h to similar to 26,500 h. In addition, field-operated HR-120 recuperators have been sectioned and samples have been evaluated for operating lives ranging from similar to 5500 h to similar to 18,000 h. Results from the microstructural and compositional analyses of both the long-term steady-state elevated TET HR-120 samples and the field-operated HR-120 recuperator samples will be presented and compared.
C1 [Matthews, Wendy J.] Capstone Turbine Corp, Chatsworth, CA 91311 USA.
[More, Karren L.; Walker, Larry R.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Matthews, WJ (reprint author), Capstone Turbine Corp, 21211 Nordhoff St, Chatsworth, CA 91311 USA.
RI More, Karren/A-8097-2016
OI More, Karren/0000-0001-5223-9097
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy; Vehicle Technologies Program
FX This research at the Oak Ridge National Laboratory's High Temperature
Materials Laboratory was sponsored by the U.S. Department of Energy,
Office of Energy Efficiency and Renewable Energy, and Vehicle
Technologies Program.
NR 25
TC 0
Z9 0
U1 0
U2 4
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0742-4795
J9 J ENG GAS TURB POWER
JI J. Eng. Gas. Turbines Power-Trans. ASME
PD APR
PY 2011
VL 133
IS 4
AR 042302
DI 10.1115/1.4002174
PG 5
WC Engineering, Mechanical
SC Engineering
GA 684IM
UT WOS:000284543600011
ER
PT J
AU Colella, WG
Schneider, SH
Kammen, DM
Jhunjhunwala, A
Teo, N
AF Colella, Whitney G.
Schneider, Stephen H.
Kammen, Daniel M.
Jhunjhunwala, Aditya
Teo, Nigel
TI Optimizing the Design and Deployment of Stationary Combined Heat and
Power Fuel Cell Systems for Minimum Costs and Emissions-Part I: Model
Design
SO JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY
LA English
DT Article
DE maximizing emission reduction and economic saving simulator (MERESS)
optimization tool; fuel cell system (FCS); greenhouse gas emissions
(GHGs); carbon dioxide (CO(2)) emissions; networks; cogeneration;
combined heat and power (CHP); cost; profitability; thermal distribution
networks; low-voltage electricity distribution networks; optimization;
heat recovery; distributed energy systems; operating strategy; stand
alone (SA); networked (NW); heat load following (HLF); electricity load
following (ELF); no load following (NLF); variable heat-to-power ratio
(VHP); fixed heat-to-power ratio (FHP)
ID FCS
AB Stationary combined heat and power (CHP) fuel cell systems (FCSs) can provide electricity and heat for buildings and can reduce greenhouse gas (GHG) emissions significantly if they are configured with an appropriate installation and operating strategy. The maximizing emission reduction and economic saving simulator (MERESS) is an optimization tool that was developed to evaluate novel strategies for installing and operating CHP FCSs in buildings. These novel strategies include networking, load following, and the use of variable heat-to-power ratios, all of which industry typically has not implemented. A primary goal of models like MERESS is to use relatively inexpensive simulation studies to identify more financially and environmentally effective ways to design and install FCSs. Models like MERESS can incorporate the pivotal choices that FCS manufacturers, building owners, emission regulators, competing generators, and policy makers make, and empower them to evaluate the effect of their choices directly. MERESS directly evaluates trade-offs among three key goals: GHG reductions, energy cost savings for building owners, and high sales revenue for FCS manufacturers. MERESS allows one to evaluate these design trade-offs and to identify the optimal control strategies and building load curves for installation based on either (1) maximum GHG emission reductions or (2) maximum cost savings to building owners. Part I discusses the motivation and key assumptions behind MERESS model development. Part II discusses run results from MERESS for a California town and makes recommendations for further FCS installments (Colella et al., 2011, "Optimizing the Design and Deployment of Stationary Combined Heat and Power Fuel Cell Systems for Minimum Costs and Emissions-Part II: Model Results," ASME J. Fuel Cell Sci. Technol., 8(2), p. 021002). [DOI: 10.1115/1.4001756]
C1 [Colella, Whitney G.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Schneider, Stephen H.] Stanford Univ, Ctr Environm Sci & Policy, Stanford, CA 94305 USA.
[Kammen, Daniel M.] Univ Calif Berkeley, Energy & Resources Grp, Berkeley, CA 94720 USA.
[Jhunjhunwala, Aditya; Teo, Nigel] Univ Calif Berkeley, Terman Engn Ctr, Berkeley, CA 94720 USA.
RP Colella, WG (reprint author), Sandia Natl Labs, POB 5800,MS 1108, Albuquerque, NM 87185 USA.
EM wgcolel@sandia.gov; shs@stanford.edu; kammen@berkeley.edu;
aditya11@stanfordalumni.org; nigelteo@gmail.com
NR 49
TC 5
Z9 5
U1 1
U2 10
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1550-624X
J9 J FUEL CELL SCI TECH
JI J. Fuel Cell Sci. Technol.
PD APR
PY 2011
VL 8
IS 2
AR 021001
DI 10.1115/1.4001756
PG 13
GA 689XR
UT WOS:000284964800001
ER
PT J
AU Colella, WG
Schneider, SH
Kammen, DM
Jhunjhunwala, A
Teo, N
AF Colella, Whitney G.
Schneider, Stephen H.
Kammen, Daniel M.
Jhunjhunwala, Aditya
Teo, Nigel
TI Optimizing the Design and Deployment of Stationary Combined Heat and
Power Fuel Cell Systems for Minimum Costs and Emissions-Part II: Model
Results
SO JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY
LA English
DT Article
DE maximizing emission reductions and economic savings simulator
optimization tool; fuel cell system; greenhouse gas emissions; carbon
dioxide emissions; networks; cogeneration; combined heat and power;
cost; profitability; thermal distribution networks; low-voltage
electricity distribution networks; optimization; heat recovery;
distributed energy systems; operating strategy; stand-alone; networked;
heat load following; electricity load following; no load following;
variable heat-to-power ratio; fixed heat-to-power ratio
ID BIOGAS
AB The maximizing emission reductions and economic savings simulator (MERESS) is an optimization tool that evaluates novel strategies for installing and operating combined heat and power (CHP) fuel cell systems (FCSs) in buildings. This article discusses the deployment of MERESS to show illustrative results for a California campus town and, based on these results, makes recommendations for further installations of FCSs to reduce greenhouse gas (GHG) emissions. MERESS is used to evaluate one of the most challenging FCS types to use for GHG reductions, the phosphoric acid fuel cell (PAFC) system. These PAFC systems are tested against a base case of a CHP combined cycle gas turbine (CCGT). Model results show that three competing goals (GHG emission reductions, cost savings to building owners, and FCS manufacturer sales revenue) are best achieved with different strategies but that all three goals can be met reasonably with a single approach. According to MERESS, relative to a base case of only a CHP CCGT providing heat and electricity with no FCSs, the town achieves the highest (1) GHG emission reductions, (2) cost savings to building owners, and (3) FCS manufacturer sales revenue each with three different operating strategies, under a scenario of full incentives and a $100/tonne carbon dioxide (CO(2)) tax (scenario D). The town achieves its maximum CO(2) emission reduction, 37% relative to the base case with operating strategy V: stand-alone (SA) operation, no load following (NLF), and a fixed heat-to-power ratio (FHP) (SA, NLF, and FHP; scenario E). The town's building owners gain the highest cost savings, 25% with strategy I: electrically and thermally networked (NW), electricity power load following (ELF), and a variable heat-to-power ratio (VHP) (NW, ELF, and VHP; scenario D). FCS manufacturers generally have the highest sales revenue with strategy III: NW, NLF with a FHP (NW, NLF, and FHP; scenarios B, C, and D). Strategies III and V are partly consistent with the way that FCS manufacturers design their systems today, primarily as NLF with a FHP. By contrast, strategy I is novel for the fuel cell industry, in particular, in its use of a VHP and thermal networking. Model results further demonstrate that FCS installations can be economical for building owners without any carbon tax or government incentives. Without any carbon tax or state and federal incentives (scenario A), strategy I is marginally economical with 3% energy cost savings but with a 29% reduction in CO(2) emissions. Strategy I is the most economical strategy for building owners in all scenarios (scenarios A-D) and, at the same time, reasonably achieves other goals of large GHG emission reductions and high FCS manufacturer sales revenue. Although no particular building type stands out as consistently achieving the highest emission reductions and cost savings (scenarios B-2 and E-2), certain building load curves are clear winners. For example, buildings with load curves similar to Stanford's Mudd chemistry building (a wet laboratory) achieve maximal cost savings (1.5% with full federal and state incentives but no carbon tax) and maximal CO(2) emission reductions (32%) (scenarios B-2 and E-2). Finally, based on these results, this work makes recommendations for reducing GHG further through FCS deployment. (Part I of II articles discusses the motivation and key assumptions behind the MERESS model development.) [DOI: 10.1115/1.4001757]
C1 [Colella, Whitney G.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Schneider, Stephen H.] Stanford Univ, Ctr Environm Sci & Policy, Stanford, CA 94305 USA.
[Kammen, Daniel M.] Univ Calif Berkeley, Energy & Resources Grp, Berkeley, CA 94720 USA.
[Jhunjhunwala, Aditya; Teo, Nigel] Stanford Univ, Terman Engn Ctr, Stanford, CA 94305 USA.
RP Colella, WG (reprint author), Sandia Natl Labs, POB 5800,MS 1108, Albuquerque, NM 87185 USA.
EM wgcolel@sandia.gov; shs@stanford.edu; kammen@berkeley.edu;
aditya11@stanfordalumni.org; nigelteo@gmail.com
NR 17
TC 5
Z9 5
U1 0
U2 9
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1550-624X
J9 J FUEL CELL SCI TECH
JI J. Fuel Cell Sci. Technol.
PD APR
PY 2011
VL 8
IS 2
AR 021002
DI 10.1115/1.4001757
PG 16
GA 689XR
UT WOS:000284964800002
ER
PT J
AU Bagaria, A
Kumaran, D
Burley, SK
Swaminathan, S
AF Bagaria, Ashima
Kumaran, Desigan
Burley, Stephen K.
Swaminathan, Subramanyam
TI Structural basis for a ribofuranosyl binding protein: Insights into the
furanose specific transport
SO PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS
LA English
DT Article
DE nanolipoprotein particles; nanodiscs; fluorescence correlation
spectroscopy; membrane proteins
ID X-RAY STRUCTURE; BACTERIAL CHEMOTAXIS; ESCHERICHIA-COLI;
SALMONELLA-TYPHIMURIUM; MALTOSE-BINDING; RECEPTOR; REFINEMENT;
RESOLUTION; EVOLUTION; LIGAND
C1 [Bagaria, Ashima; Kumaran, Desigan; Swaminathan, Subramanyam] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
[Burley, Stephen K.] Eli Lilly & Co, Lilly Biotechnol Ctr, San Diego, CA 92121 USA.
RP Swaminathan, S (reprint author), Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
EM swami@bnl.gov
FU National Institute of General Medical Sciences [GM074945,
DEAC02-98CH10886]
FX Grant sponsor: The National Institute of General Medical Sciences; Grant
numbers: GM074945, DEAC02-98CH10886
NR 33
TC 3
Z9 3
U1 0
U2 1
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0887-3585
J9 PROTEINS
JI Proteins
PD APR
PY 2011
VL 79
IS 4
BP 1352
EP 1357
DI 10.1002/prot.22965
PG 6
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 731VY
UT WOS:000288138700028
PM 21387413
ER
PT J
AU Prasad, SV
Battaile, CC
Kotula, PG
AF Prasad, S. V.
Battaile, C. C.
Kotula, P. G.
TI Friction transitions in nanocrystalline nickel
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Nanocrystalline metals; Wear; Friction; Grain boundary sliding
ID HALL-PETCH BEHAVIOR; SLIDING CONTACT; METALS; WEAR; DEFORMATION;
EVOLUTION
AB Nanocrystalline Ni films with 20-100 nm size grains exhibited either of two distinct friction behaviors, mu similar to 0.30-0.35 or mu similar to 0.6-0.7, depending upon the contact pressure and sliding speed. Friction-induced changes to grain structure were analyzed by cross-sectional transmission electron microscopy of wear surfaces. Formation of stable ultrafine nanocrystalline layers with 2-10 nm size grains underneath the wear surface may be responsible for the observed friction transitions, possibly due to a transition from traditional dislocation plasticity to deformation controlled by grain boundaries. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Prasad, S. V.; Battaile, C. C.; Kotula, P. G.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Prasad, SV (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM svprasa@sandia.gov
RI Kotula, Paul/A-7657-2011
OI Kotula, Paul/0000-0002-7521-2759
FU US Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multi-program laboratory operated by
Sandia Corporation, a wholly owned subsidiary of Lockheed Martin
Company, for the US Department of Energy's National Nuclear Security
Administration under contract DE-AC04-94AL85000.
NR 24
TC 14
Z9 14
U1 4
U2 17
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 APR
PY 2011
VL 64
IS 8
BP 729
EP 732
DI 10.1016/j.scriptamat.2010.12.027
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 728XR
UT WOS:000287908300010
ER
PT J
AU Su, LS
Gan, YX
Zhang, LH
AF Su, Lusheng
Gan, Yong X.
Zhang, Lihua
TI Thermoelectricity of nanocomposites containing TiO2-CoO coaxial
nanocables
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Oxide nanocomposites; Thermoelectricity; Nanotube and nanocable; Seebeck
coefficient
ID LIQUID-PHASE DEPOSITION; ELECTRICAL-CONDUCTIVITY; NANOTUBE ARRAYS;
OXIDE; FABRICATION
AB TiO2-CoO coaxial nanocables were deposited into anodic aluminum oxide (AAO) nanoporous templates to form nanocomposite materials. Electron microscopic analysis was conducted to reveal their structures. Seebeck coefficients of the composites were measured. The highest absolute value of Seebeck coefficient is 393 mu V K-1 for the TiO2 nanotube-filled AAO. The TiO2-CoO coaxial nanocable-filled AAO has a lower absolute value of 300 mu V K-1. Both composites showed n-type behavior. The effect of Ag nanoparticles addition on the thermoelectric behavior was also examined. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Su, Lusheng; Gan, Yong X.] Univ Toledo, Coll Engn, Dept Mech Ind & Mfg Engn, Toledo, OH 43606 USA.
[Zhang, Lihua] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Gan, YX (reprint author), Univ Toledo, Coll Engn, Dept Mech Ind & Mfg Engn, 2801 W Bancroft St, Toledo, OH 43606 USA.
EM yong.gan@utoledo.edu
RI Zhang, Lihua/F-4502-2014
FU University of Toledo; U.S. Department of Energy, Office of Basic Energy
Sciences [DE-AC02-98CH10886]
FX This work is supported by a Doctoral Instrumentation Graduate Fellowship
and start-up fund from University of Toledo. The transmission electron
microscopic research carried out at the Center for Functional
Nanomaterials, Brookhaven National Laboratory is supported by the U.S.
Department of Energy, Office of Basic Energy Sciences under Contract No.
DE-AC02-98CH10886.
NR 20
TC 9
Z9 9
U1 1
U2 25
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 APR
PY 2011
VL 64
IS 8
BP 745
EP 748
DI 10.1016/j.scriptamat.2010.12.038
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 728XR
UT WOS:000287908300014
ER
PT J
AU Jang, JI
Yoo, BG
Kim, YJ
Oh, JH
Choi, IC
Bei, HB
AF Jang, Jae-il
Yoo, Byung-Gil
Kim, Yong-Jae
Oh, Jun-Hak
Choi, In-Chul
Bei, Hongbin
TI Indentation size effect in bulk metallic glass
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Nanoindentation; Bulk amorphous materials; Hardness; Size effect
ID DEFORMATION-BEHAVIOR; PLASTIC-DEFORMATION; LENGTH SCALES;
NANOINDENTATION; COMPRESSION; STRENGTH; DIAMETER; PILLARS; ALLOY; STATE
AB We systematically explored the indentation size effect (ISE), which is not expected to occur in non-crystalline materials due to the absence of dislocations and strain hardening, in bulk metallic glass (BMG). A series of nanoindentation experiments with different indenters result in somewhat surprising observations that show that ISE clearly does exist in BMG and can even be described by the ISE model for crystalline materials. The results are discussed in terms of possible mechanisms responsible for the ISE in BMG. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Jang, Jae-il; Yoo, Byung-Gil; Kim, Yong-Jae; Oh, Jun-Hak; Choi, In-Chul] Hanyang Univ, Div Mat Sci & Engn, Seoul 133791, South Korea.
[Bei, Hongbin] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Jang, JI (reprint author), Hanyang Univ, Div Mat Sci & Engn, Seoul 133791, South Korea.
EM jijang@hanyang.ac.kr; beih@ornl.gov
RI Jang, Jae-il/A-3486-2011; Kim, Young-Jae/F-1491-2011; Choi,
In-Chul/E-1499-2014;
OI Jang, Jae-il/0000-0003-4526-5355; Bei, Hongbin/0000-0003-0283-7990
FU Ministry of Education, Science and Technology [2010-0025526]; US
Department of Energy, Office of Basic Energy Sciences, Materials
Sciences and Engineering Division
FX This research was supported by the Basic Science Research Program
through the National Research Foundation of Korea (NRF) funded by the
Ministry of Education, Science and Technology (No. 2010-0025526). The
research at ORNL (H.B.) was sponsored by the US Department of Energy,
Office of Basic Energy Sciences, Materials Sciences and Engineering
Division. We thank Prof. W.D. Nix and the anonymous reviewer for
valuable comments.
NR 36
TC 22
Z9 23
U1 2
U2 29
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 APR
PY 2011
VL 64
IS 8
BP 753
EP 756
DI 10.1016/j.scriptamat.2010.12.036
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 728XR
UT WOS:000287908300016
ER
PT J
AU Atwater, MA
Phillips, J
Leseman, ZC
AF Atwater, Mark A.
Phillips, Jonathan
Leseman, Zayd C.
TI Accelerated growth of carbon nanofibers using physical mixtures and
alloys of Pd and Co in an ethylene-hydrogen environment
SO CARBON
LA English
DT Article
ID BUTENE ISOMERIZATION; CATALYTIC SYNERGISM; MOLECULAR HYDROGEN;
IRIDIUM-ALUMINA; OXYGEN MIXTURES; THIN-FILMS; SPILLOVER; PALLADIUM;
METAL; HYDROISOMERIZATION
AB The rate of catalytic carbon nanofiber formation from a mixture of ethylene and hydrogen at 550 degrees C was found to be dramatically faster over physical mixtures of palladium and cobalt micron scale particles than over either metal independently. The rate correlated with the metal fraction nearly identically for either Pd or Co rich mixtures. The highest rate increase over either pure metal was observed for a 1:1 mass ratio (similar to 150 times faster), although significant increases were found even at metal ratios of 11:1 (similar to 45 times faster). There was no direct evidence of extensive alloy formation from the mixed powders which suggests that a synergistic mechanism driven by proximity only may be responsible for the observed rate increases. It is thought a species (e.g. hydrogen atoms) formed at one metal (e.g. palladium) diffuses to the other where it accelerates carbon deposition by affecting the other catalyst material directly, or by generating favorable radical species. Kinetic synergism was also observed for Pd-Co alloys, although it was clearly less dramatic than that found for mixtures. Still, the fundamental similarity in behavior suggests that on the alloy surface two site types exist: one primarily Pd and one primarily Co. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Atwater, Mark A.; Phillips, Jonathan; Leseman, Zayd C.] Univ New Mexico, Albuquerque, NM 87131 USA.
[Phillips, Jonathan] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Leseman, ZC (reprint author), Univ New Mexico, MSC01 1150, Albuquerque, NM 87131 USA.
EM zleseman@unm.edu
RI Phillips, Jonathan/D-3760-2011
FU New Mexico Space Grant Consortium
FX The authors gratefully acknowledge the support of the New Mexico Space
Grant Consortium. This work was completed in part at the University of
New Mexico Manufacturing Training and Technology Center.
NR 28
TC 4
Z9 4
U1 1
U2 13
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-6223
J9 CARBON
JI Carbon
PD APR
PY 2011
VL 49
IS 4
BP 1058
EP 1066
DI 10.1016/j.carbon.2010.10.054
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 717NR
UT WOS:000287055200002
ER
PT J
AU Tran, C
Kafle, J
Yang, XQ
Qu, DY
AF Tran, Chris
Kafle, Janak
Yang, Xiao-Qing
Qu, Deyang
TI Increased discharge capacity of a Li-air activated carbon cathode
produced by preventing carbon surface passivation
SO CARBON
LA English
DT Article
ID RECHARGEABLE LITHIUM BATTERIES; ELECTRODE; CATALYST
AB A significant discharge capacity increase (larger than 3 times) for the gas-diffusion-electrode (GDE) used in Li-air cells was demonstrated through modification of the carbon surface with long-chain hydrophobic molecules. The capacity loss of the Li-air activated carbon cathode was found to be caused by the formation of undesired surface passivation. The mechanism of such passivation was identified as the formation of dense Li oxide films directly on the surface of the carbon during the oxygen reduction reaction. Such dense layers of Li oxide are here identified as the root cause of the undesired passivation, which blocks electrochemical reactions, increases the impedance and drops the discharge voltage rapidly. This investigation reveals that the capacity for the gas-diffusion-electrode can be substantially increased, if the activated carbon is modified by attaching long-chain hydrophobic molecules onto the surface. The carbon surface modification significantly delays the formation of the dense Li oxide layers. Therefore, the discharge capacity for the GDE is substantially increased. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Tran, Chris; Kafle, Janak; Qu, Deyang] Univ Massachusetts Boston, Dept Chem, Boston, MA 02125 USA.
[Yang, Xiao-Qing] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Qu, DY (reprint author), Univ Massachusetts Boston, Dept Chem, Boston, MA 02125 USA.
EM deyang.qu@umb.edu
FU US Department of Energy [DEAC02-98CH10886]
FX The work was supported by the Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of Vehicle Technologies, under the program
"Hybrid and Electric Systems," of the US Department of Energy under
Contract Number DEAC02-98CH10886. The financial support is gratefully
acknowledged.
NR 12
TC 47
Z9 48
U1 2
U2 39
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-6223
J9 CARBON
JI Carbon
PD APR
PY 2011
VL 49
IS 4
BP 1266
EP 1271
DI 10.1016/j.carbon.2010.11.045
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 717NR
UT WOS:000287055200027
ER
PT J
AU Lin, HS
Ma, XS
Feng, WC
Samatova, NF
AF Lin, Heshan
Ma, Xiaosong
Feng, Wuchun
Samatova, Nagiza F.
TI Coordinating Computation and I/O in Massively Parallel Sequence Search
SO IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS
LA English
DT Article
DE Scheduling; parallel I/O; bioinformatics; parallel genomic sequence
search; BLAST
ID BLAST; CLUSTERS
AB With the explosive growth of genomic information, the searching of sequence databases has emerged as one of the most computation and data-intensive scientific applications. Our previous studies suggested that parallel genomic sequence-search possesses highly irregular computation and I/O patterns. Effectively addressing these runtime irregularities is thus the key to designing scalable sequence-search tools on massively parallel computers. While the computation scheduling for irregular scientific applications and the optimization of noncontiguous file accesses have been well-studied independently, little attention has been paid to the interplay between the two. In this paper, we systematically investigate the computation and I/O scheduling for data-intensive, irregular scientific applications within the context of genomic sequence search. Our study reveals that the lack of coordination between computation scheduling and I/O optimization could result in severe performance issues. We then propose an integrated scheduling approach that effectively improves sequence-search throughput by gracefully coordinating the dynamic load balancing of computation and high-performance noncontiguous I/O.
C1 [Lin, Heshan; Feng, Wuchun] Virginia Tech, Dept Comp Sci, Blacksburg, VA 24060 USA.
[Ma, Xiaosong; Samatova, Nagiza F.] N Carolina State Univ, Dept Comp Sci, Raleigh, NC 27695 USA.
[Ma, Xiaosong; Samatova, Nagiza F.] Oak Ridge Natl Lab, Comp Sci & Math Div, Raleigh, NC 27695 USA.
RP Lin, HS (reprint author), Virginia Tech, Dept Comp Sci, 2202 Kraft Dr, Blacksburg, VA 24060 USA.
EM hlin2@cs.vt.edu; ma@csc.ncsu.edu; feng@cs.vt.edu; samatovan@ornl.gov
FU US Department of Energy (DOE) [DE-FG02-05ER25685]; US National Science
Foundation (NSF) [CNS-0546301]; NC State University and Oak Ridge
National Laboratory; Scientific Data Management Center under DOE; Los
Alamos National Laboratory [W-7405-ENG-36]; Office of Science of the DOE
[DE-AC02-05CH11231]
FX This work is in part supported by the following funding sources: 1) US
Department of Energy(DOE) ECPI Award (DE-FG02-05ER25685); 2) US National
Science Foundation (NSF) CAREER Award (CNS-0546301); 3) Dr. Xiaosong
Ma's joint appointment between NC State University and Oak Ridge
National Laboratory; 4) Scientific Data Management Center
(https://sdm.lbl.gov/sdmcenter/) under the DOE's Scientific Discovery
through Advanced Computing Program; and 5) Los Alamos National
Laboratory contract W-7405-ENG-36. We are grateful to the Virginia Tech
Advanced Research Computing, Ohio Supercomputing Center, and the
High-Performance Computing Center at North Carolina State University for
granting us access to their supercomputing resources. This research also
used resources of the National Energy Research Scientific Computing
Center, which is supported by the Office of Science of the DOE under
Contract No. DE-AC02-05CH11231. The authors thank Jeremy Archuleta and
Tom Scogland for their constructive feedback on the paper.
NR 53
TC 14
Z9 14
U1 0
U2 4
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1045-9219
J9 IEEE T PARALL DISTR
JI IEEE Trans. Parallel Distrib. Syst.
PD APR
PY 2011
VL 22
IS 4
BP 529
EP 543
DI 10.1109/TPDS.2010.101
PG 15
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA 724MH
UT WOS:000287580000001
ER
PT J
AU Nittala, K
Brennecka, GL
Tuttle, BA
Jones, JL
AF Nittala, Krishna
Brennecka, Geoff L.
Tuttle, Bruce A.
Jones, Jacob L.
TI Phase evolution in solution deposited Pb-deficient PLZT thin films
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID LEAD-ZIRCONATE-TITANATE; CHEMICAL SOLUTION DEPOSITION; TIME TEXTURE
TRANSITION; X-RAY-DIFFRACTION; GEL; CRYSTALLIZATION; FLUORITE;
TRANSFORMATIONS; CAPACITORS; KINETICS
AB Initial crystallization of Pb-deficient, lanthanum modified lead zirconate titanate (PLZT) layers followed by post-crystallization phase conversion can be used to obtain high quality PLZT thin films. However, phase evolution in Pb-deficient PLZT thin films is not well understood. To characterize phase evolution in these films, we developed a new in situ, high-temperature X-ray diffraction (XRD) measurement approach for slow heating rates. The well-characterized Pb-excess PLZT composition was used for comparison and to validate the new XRD setup described herein. During crystallization of Pb-deficient thin films, a Pb-rich/La-poor perovskite phase and Pb-poor/La-rich fluorite phase were observed to form simultaneously. The fluorite phase was observed to partially transform into a secondary perovskite phase at higher temperatures. The results obtained are discussed in view of the current understanding of phase evolution in these materials. The details of the new in situ XRD technique are also presented.
C1 [Nittala, Krishna; Jones, Jacob L.] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA.
[Brennecka, Geoff L.; Tuttle, Bruce A.] Sandia Natl Labs, Mat Sci & Engn Ctr, Albuquerque, NM 87185 USA.
RP Jones, JL (reprint author), Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA.
EM jjones@mse.ufl.edu
RI Nittala, Krishna/F-5332-2012; Jones, Jacob/A-8361-2008; Brennecka,
Geoff/J-9367-2012
OI Brennecka, Geoff/0000-0002-4476-7655
FU National Institute for NanoEngineering (NINE); Laboratory Directed
Research and Development program at Sandia National Laboratories; U.S.
Department of Energy's National Nuclear Security Administration
[AC04-94AL85000]; NSF [DMR-0746902]
FX This work was supported by the National Institute for NanoEngineering
(NINE) and the Laboratory Directed Research and Development program at
Sandia National Laboratories. Sandia National Laboratories 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. JLJ acknowledges NSF for funding through award number
DMR-0746902. The authors would also like to thank Dr. Valentin Craciun
and MAIC at University of Florida for access to the Philips X'Pert XRD
and Pat Mahoney at Sandia National Laboratories for help in preparation
of samples.
NR 30
TC 5
Z9 5
U1 0
U2 14
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2461
J9 J MATER SCI
JI J. Mater. Sci.
PD APR
PY 2011
VL 46
IS 7
BP 2148
EP 2154
DI 10.1007/s10853-010-5051-x
PG 7
WC Materials Science, Multidisciplinary
SC Materials Science
GA 712AB
UT WOS:000286633000022
ER
PT J
AU Jagannadham, K
Lance, MJ
Butler, JE
AF Jagannadham, K.
Lance, M. J.
Butler, J. E.
TI Laser annealing of neutron irradiated boron-10 isotope doped diamond
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID RAMAN-SCATTERING; INFRARED-ABSORPTION; SYNTHETIC DIAMOND;
ELECTRICAL-CONDUCTIVITY; LATTICE ABSORPTION; ION-IMPLANTATION;
HEAT-TREATMENT; GRAPHITE; CARBON; FILMS
AB (10)B isotope doped p-type diamond epilayer grown by chemical vapor deposition on (110) oriented type IIa diamond single crystal substrate was subjected to neutron transmutation at a fluence of 2.4 x 10(20) thermal and 2.4 x 10(20) fast neutrons. After neutron irradiation, the epilayer and the diamond substrate were laser annealed using Nd-YAG laser irradiation with wave length, 266 nm and energy, 150 mJ per pulse. The neutron irradiated diamond epilayer and the substrate were characterized before and after laser annealing using different techniques. The characterization techniques include optical microscopy, secondary ion mass spectrometry, X-ray diffraction, Raman, photoluminescence and Fourier Transform Infrared spectroscopy, and electrical sheet conductance measurement. The results indicate that the structure of the irradiation induced amorphous epilayer changes to disordered graphite upon laser annealing. The irradiated substrate retains the (110) crystalline structure with neutron irradiation induced defects.
C1 [Jagannadham, K.] N Carolina State Univ, Raleigh, NC 27695 USA.
[Lance, M. J.] Oak Ridge Natl Lab, High Temp Mat Lab, Oak Ridge, TN 37831 USA.
[Butler, J. E.] USN, Res Lab, Washington, DC 20375 USA.
RP Jagannadham, K (reprint author), N Carolina State Univ, Raleigh, NC 27695 USA.
EM jag_kasichainula@ncsu.edu
RI Butler, James/B-7965-2008; Lance, Michael/I-8417-2016
OI Butler, James/0000-0002-4794-7176; Lance, Michael/0000-0001-5167-5452
FU Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of Transportation Technologies, ORNL; UT-Battelle, LLC
[DE-AC05-000R22725]; NRL/ONR
FX This research is sponsored by the Assistant Secretary for Energy
Efficiency and Renewable Energy, Office of Transportation Technologies,
as part of the High Temperature Materials Laboratory User Program, ORNL,
managed by UT-Battelle, LLC, for the U. S. Department of Energy under
contract number DE-AC05-000R22725. SIMS calibration standards were
prepared by ion implantation of known concentrations of B and Li. Ion
implantation was provided by the Surface Modification and
Characterization Research Center at ORNL. JEB acknowledges the support
from NRL/ONR. The authors are thankful to Dr. Mark Walters for help in
the use of facilities at SMIF, Duke University. The authors are also
thankful to Mr. Joseph Dorsheimer of Thermo Scientific for carrying out
the Raman spectroscopy imaging of the diamond epilayer surface.
NR 45
TC 2
Z9 2
U1 1
U2 15
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2461
J9 J MATER SCI
JI J. Mater. Sci.
PD APR
PY 2011
VL 46
IS 8
BP 2518
EP 2528
DI 10.1007/s10853-010-5102-3
PG 11
WC Materials Science, Multidisciplinary
SC Materials Science
GA 712AD
UT WOS:000286633300015
ER
PT J
AU Wu, WY
Miller, KD
Coolbaugh, M
Wood, DW
AF Wu, Wan-Yi
Miller, Keith D.
Coolbaugh, Michael
Wood, David W.
TI Intein-mediated one-step purification of Escherichia coli secreted human
antibody fragments
SO PROTEIN EXPRESSION AND PURIFICATION
LA English
DT Article
DE Intein; Chitin-binding domain; Escherichia coli secretion; Recombinant
protein purification; Self-cleaving affinity tag; Disulfide bonds
ID PROTEIN SPLICING ELEMENT; HIGH-LEVEL EXPRESSION; RECOMBINANT PROTEINS;
AFFINITY-CHROMATOGRAPHY; BACTERIAL PROTEIN; BETA-LACTAMASES;
GROWTH-FACTOR; FUSION; TAGS; DNAK
AB In this work, we apply self-cleaving affinity tag technology to several target proteins secreted into the Escherichia coli periplasm, including two with disulfide bonds. The target proteins were genetically fused to a self-cleaving chitin-binding domain-intein tag for purification via a chitin-agarose affinity resin. By attaching the intein-tagged fusion genes to the PelB secretion leader sequence, the tagged target proteins were secreted to the periplasmic space and could be recovered in active form by simple osmotic shock. After chitin-affinity purification, the target proteins were released from the chitin-binding domain tag via intein self-cleaving. This was induced by a small change in pH from 8.5 to 6.5 at room temperature, allowing direct elution of the cleaved target protein from the chitin affinity resin. The target proteins include the E. coli maltose-binding protein and beta-lactamase enzyme, as well as two human antibody fragments that contain disulfide bonds. In all cases, the target proteins were purified with good activity and yield, without the need for refolding. Overall, this work demonstrates the compatibility of the Delta I-CM intein with the PelB secretion system in E. coli, greatly expanding its potential to more complex proteins. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Coolbaugh, Michael; Wood, David W.] Ohio State Univ, Dept Chem & Biomol Engn, Columbus, OH 43210 USA.
[Wu, Wan-Yi] Princeton Univ, Dept Chem & Biol Engn, Princeton, NJ 08544 USA.
[Miller, Keith D.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Wood, DW (reprint author), Ohio State Univ, Dept Chem & Biomol Engn, 140 W 19th Ave, Columbus, OH 43210 USA.
EM wood.750@osu.edu
RI Wood, David/B-2992-2012
FU National Science Foundation [BES-0348220]; Army Research Office
[W911NF-04-1-0056]
FX The authors would like to acknowledge BAC B.V. for kindly providing the
gene for human light chain kappa and Capture Select Fab Kappa resins for
the experiments in this work. This work was partially supported by a
National Science Foundation CAREER Award BES-0348220 and Army Research
Office Grant W911NF-04-1-0056.
NR 39
TC 10
Z9 11
U1 0
U2 11
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1046-5928
J9 PROTEIN EXPRES PURIF
JI Protein Expr. Purif.
PD APR
PY 2011
VL 76
IS 2
BP 221
EP 228
DI 10.1016/j.pep.2010.12.004
PG 8
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA 716ID
UT WOS:000286961400010
PM 21167943
ER
PT J
AU Elias, G
Mincher, BJ
Mezyk, SP
Muller, J
Martin, LR
AF Elias, Gracy
Mincher, Bruce J.
Mezyk, Stephen P.
Muller, Jim
Martin, Leigh R.
TI Toluene nitration in irradiated nitric acid and nitrite solutions
SO RADIATION PHYSICS AND CHEMISTRY
LA English
DT Article
DE Toluene radiolysis; HPLC; UV spectra; LC-MS; Free-radicals;
Electrophilic substitution
ID AQUEOUS-SOLUTIONS; PULSE-RADIOLYSIS; RATE CONSTANTS; GAS-PHASE;
ENVIRONMENTAL CHEMISTRY; HYDROXYL RADICALS; NO3; NAPHTHALENE; PRODUCTS;
KINETICS
AB The kinetics, mechanisms, and stable products produced for the nitration of aryl alkyl mild ortho-para director toluene in irradiated nitric acid and neutral nitrite solutions were investigated using gamma and pulse radiolysis. Electron pulse radiolysis was used to determine the bimolecular rate constants for the reaction of toluene with different transient species produced by irradiation. HPLC with UV detection, GC-MS and LC-MS, were used to assess the stable reaction products. Free-radical based nitration reaction products were found in irradiated acidic and neutral media. In 6.0 M HNO(3), ring substitution, side chain substitution, and oxidation, produced different nitrated toluene products. For ring substitution, nitrogen oxide radicals were added mainly to cyclohexadienyl radicals, whereas for side chain substitution, these radicals were added to the carbon-centered benzyl radical produced by H-atom abstraction. In neutral nitrite solutions, radiolytically-induced ring nitration products approached a statistically random distribution, suggesting a direct free-radical reaction involving addition of the (center dot)NO(2) radical. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Elias, Gracy] Idaho Natl Lab, Chem & Radiat Measurement Dept, Idaho Falls, ID 83415 USA.
[Mincher, Bruce J.; Martin, Leigh R.] Idaho Natl Lab, Aqueous Separat & Radiochem Dept, Idaho Falls, ID 83415 USA.
[Mezyk, Stephen P.] Calif State Univ Long Beach, Dept Chem & Biochem, Long Beach, CA 90840 USA.
[Muller, Jim] Univ Utah, Dept Chem, Salt Lake City, UT 84112 USA.
RP Elias, G (reprint author), Idaho Natl Lab, Chem & Radiat Measurement Dept, POB 1625, Idaho Falls, ID 83415 USA.
EM gracy.elias@inl.gov
RI Martin, Leigh/P-3167-2016; Mincher, Bruce/C-7758-2017
OI Martin, Leigh/0000-0001-7241-7110;
FU U.S. Department of Energy (DOE), Office of Nuclear Energy, Science and
Technology [DEAC07-99ID13727]; Office of Basic Energy Sciences, U.S.
Department of Energy
FX This research was funded by the INL-Laboratory Directed Research and
Development Program, sponsored by the U.S. Department of Energy (DOE),
Office of Nuclear Energy, Science and Technology under the DOE-Idaho
Operations Office contract DEAC07-99ID13727. Kinetics experiments were
performed at the Radiation Laboratory, University of Notre Dame, which
is supported by the Office of Basic Energy Sciences, U.S. Department of
Energy.
NR 27
TC 3
Z9 3
U1 2
U2 13
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0969-806X
J9 RADIAT PHYS CHEM
JI Radiat. Phys. Chem.
PD APR
PY 2011
VL 80
IS 4
BP 554
EP 560
DI 10.1016/j.radphyschem.2010.12.005
PG 7
WC Chemistry, Physical; Nuclear Science & Technology; Physics, Atomic,
Molecular & Chemical
SC Chemistry; Nuclear Science & Technology; Physics
GA 725DE
UT WOS:000287624600005
ER
PT J
AU Bellou, A
Overman, CT
Zbib, HM
Bahr, DF
Misra, A
AF Bellou, A.
Overman, C. T.
Zbib, H. M.
Bahr, D. F.
Misra, A.
TI Strength and strain hardening behavior of Cu-based bilayers and
trilayers
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Nanoindentation; Multilayers; Nanocomposite; Hardness; Strain hardening
ID NANOSCALE METALLIC MULTILAYERS; THIN-FILMS; INDENTATION; COMPOSITES;
DEFORMATION; MECHANISMS; SCALE; AG
AB Strain hardening in metallic multilayers is shown experimentally to be greater in trilayer films of Cu-Ni-Nb than bilayer films of Cu-Ni or Cu-Nb using both direct measurements of flow strength at different effective strains and an analysis of the out-of-plane deformation around nanoindentation impressions. The mechanism that accounts for increased strain hardening in the trilayer is a proposed super-threader dislocation and cross-slip mechanism, modeled using three-dimensional dislocation dynamics simulations. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Bellou, A.; Overman, C. T.; Zbib, H. M.; Bahr, D. F.] Sch Mech & Mat Engn, Pullman, WA 99164 USA.
[Misra, A.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
RP Bahr, DF (reprint author), Sch Mech & Mat Engn, POB 642920, Pullman, WA 99164 USA.
EM dbahr@wsu.edu
RI Bahr, David/A-6521-2012; Misra, Amit/H-1087-2012
OI Bahr, David/0000-0003-2893-967X;
FU US Department of Energy [DE-FG02-07ER4635]
FX This work was supported by the US Department of Energy under Grant No.
DE-FG02-07ER4635. The authors acknowledge access, through an approved
user project, to the Center for Integrated Nanotechnologies (CINT), a
DOE, Office of Basic Energy Sciences user facility. The assistance of J.
Kevin Baldwin at CINT in sample synthesis is acknowledged.
NR 22
TC 20
Z9 20
U1 1
U2 26
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 APR
PY 2011
VL 64
IS 7
BP 641
EP 644
DI 10.1016/j.scriptamat.2010.12.009
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 720HS
UT WOS:000287272100012
ER
PT J
AU Wang, Y
Chen, KS
Mishler, J
Cho, SC
Adroher, XC
AF Wang, Yun
Chen, Ken S.
Mishler, Jeffrey
Cho, Sung Chan
Adroher, Xavier Cordobes
TI A review of polymer electrolyte membrane fuel cells: Technology,
applications, and needs on fundamental research
SO APPLIED ENERGY
LA English
DT Review
DE Polymer electrolyte fuel cells; Technology; Application; Fundamental;
Review
ID PROTON-EXCHANGE MEMBRANE; GAS-DIFFUSION LAYERS; LIQUID WATER TRANSPORT;
DIRECT NUMERICAL-SIMULATION; LATTICE BOLTZMANN SIMULATIONS; OXYGEN
REDUCTION REACTION; METALLIC BIPOLAR PLATES; LOW-HUMIDITY OPERATION;
316L STAINLESS-STEEL; FLOW-FIELD DESIGNS
AB Polymer electrolyte membrane (PEM) fuel cells, which convert the chemical energy stored in hydrogen fuel directly and efficiently to electrical energy with water as the only byproduct, have the potential to reduce our energy use, pollutant emissions, and dependence on fossil fuels. Great deal of efforts has been made in the past, particularly during the last couple of decades or so, to advance the PEM fuel cell technology and fundamental research. Factors such as durability and cost still remain as the major barriers to fuel cell commercialization. In the past two years, more than 35% cost reduction has been achieved in fuel cell fabrication, the current status of $61/kW (2009) for transportation fuel cell is still over 50% higher than the target of the US Department of Energy (DOE), i.e. $30/kW by 2015, in order to compete with the conventional technology of internal-combustion engines. In addition, a lifetime of similar to 2500 h (for transportation PEM fuel cells) was achieved in 2009, yet still needs to be doubled to meet the DOE's target, i.e. 5000 h. Breakthroughs are urgently needed to overcome these barriers. In this regard, fundamental studies play an important and indeed critical role. Issues such as water and heat management, and new material development remain the focus of fuel-cell performance improvement and cost reduction. Previous reviews mostly focus on one aspect, either a specific fuel cell application or a particular area of fuel cell research. The objective of this review is three folds: (1) to present the latest status of PEM fuel cell technology development and applications in the transportation, stationary, and portable/micro power generation sectors through an overview of the state-of-the-art and most recent technical progress; (2) to describe the need for fundamental research in this field and fill the gap of addressing the role of fundamental research in fuel cell technology; and (3) to outline major challenges in fuel cell technology development and the needs for fundamental research for the near future and prior to fuel cell commercialization. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Wang, Yun; Mishler, Jeffrey; Cho, Sung Chan; Adroher, Xavier Cordobes] Univ Calif Irvine, RERL, Irvine, CA 92697 USA.
[Wang, Yun; Mishler, Jeffrey; Cho, Sung Chan; Adroher, Xavier Cordobes] Univ Calif Irvine, Natl Fuel Cell Res Ctr, Dept Mech & Aerosp Engn, Irvine, CA 92697 USA.
[Chen, Ken S.] Sandia Natl Labs, Engn Sci Ctr, Albuquerque, NM 87185 USA.
RP Wang, Y (reprint author), Univ Calif Irvine, RERL, Irvine, CA 92697 USA.
EM yunw@uci.edu
NR 288
TC 824
Z9 837
U1 142
U2 913
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0306-2619
J9 APPL ENERG
JI Appl. Energy
PD APR
PY 2011
VL 88
IS 4
BP 981
EP 1007
DI 10.1016/j.apenergy.2010.09.030
PG 27
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 713AL
UT WOS:000286707300001
ER
PT J
AU Mobini, M
Sowlati, T
Sokhansanj, S
AF Mobini, Mahdi
Sowlati, Taraneh
Sokhansanj, Shahab
TI Forest biomass supply logistics for a power plant using the
discrete-event simulation approach
SO APPLIED ENERGY
LA English
DT Article
DE Forest biomass; Simulation; IBSAL; Bioenergy; Biofuel; Supply chain
ID OPTIMAL LOCATION; COSTS; ECONOMICS; RESIDUES; SYSTEMS
AB This study investigates the logistics of supplying forest biomass to a potential power plant. Due to the complexities in such a supply logistics system, a simulation model based on the framework of Integrated Biomass Supply Analysis and Logistics (IBSAL) is developed in this study to evaluate the cost of delivered forest biomass, the equilibrium moisture content, and carbon emissions from the logistics operations. The model is applied to a proposed case of 300 MW power plant in Quesnel, BC, Canada. The results show that the biomass demand of the power plant would not be met every year. The weighted average cost of delivered biomass to the gate of the power plant is about C$ 90 per dry tonne. Estimates of equilibrium moisture content of delivered biomass and CO(2) emissions resulted from the processes are also provided. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Mobini, Mahdi; Sowlati, Taraneh] Univ British Columbia, Dept Wood Sci, Ind Engn Grp, Vancouver, BC V6T 1Z4, Canada.
[Sokhansanj, Shahab] Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z3, Canada.
[Sokhansanj, Shahab] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Sowlati, T (reprint author), Univ British Columbia, Dept Wood Sci, Ind Engn Grp, 2931-2424 Main Mall, Vancouver, BC V6T 1Z4, Canada.
EM taraneh.sowlati@ubc.ca
FU British Columbia Ministry of Forest and Range; Natural Sciences and
Engineering Research Council of Canada; Wood Pellet Association of
Canada
FX This research is supported in part by the British Columbia Ministry of
Forest and Range, Natural Sciences and Engineering Research Council of
Canada, and Wood Pellet Association of Canada. The authors acknowledge
the generosity of Mr. Jack MacDonald and Mr. Tony Sauder of the
FPInnovations (FERIC Division) for sharing forest harvest data and Mr.
Don Gosnell for providing technical advice.
NR 31
TC 35
Z9 35
U1 4
U2 30
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0306-2619
J9 APPL ENERG
JI Appl. Energy
PD APR
PY 2011
VL 88
IS 4
BP 1241
EP 1250
DI 10.1016/j.apenergy.2010.10.016
PG 10
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 713AL
UT WOS:000286707300026
ER
PT J
AU Richter, A
Sadowski, J
AF Richter, Asta
Sadowski, Jerzy
TI Nanoscience and nanotechnology
SO CENTRAL EUROPEAN JOURNAL OF PHYSICS
LA English
DT Editorial Material
C1 [Richter, Asta] Tech Univ Appl Sci, Dept Engn, D-15745 Wildau, Germany.
[Sadowski, Jerzy] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Richter, A (reprint author), Tech Univ Appl Sci, Dept Engn, Bahnhofstr 1, D-15745 Wildau, Germany.
EM asta.richter@th-wildau.de; sadowski@bnl.gov
NR 0
TC 0
Z9 0
U1 0
U2 3
PU VERSITA
PI WARSAW
PA SOLIPSKA 14A-1, 02-482 WARSAW, POLAND
SN 1895-1082
J9 CENT EUR J PHYS
JI Cent. Eur. J. Phys.
PD APR
PY 2011
VL 9
IS 2
BP 263
EP 264
DI 10.2478/s11534-011-0014-7
PG 2
WC Physics, Multidisciplinary
SC Physics
GA 723LK
UT WOS:000287507800001
ER
PT J
AU Figueiredo, E
Figueiras, J
Park, G
Farrar, CR
Worden, K
AF Figueiredo, Eloi
Figueiras, Joaquim
Park, Gyuhae
Farrar, Charles R.
Worden, Keith
TI Influence of the Autoregressive Model Order on Damage Detection
SO COMPUTER-AIDED CIVIL AND INFRASTRUCTURE ENGINEERING
LA English
DT Article
ID IDENTIFICATION; PARAMETERS
AB An important step for using time-series autoregressive (AR) models for structural health monitoring is the estimation of the appropriate model order. To obtain an optimal AR model order for such processes, this article presents and discusses four techniques based on Akaike information criterion, partial autocorrelation function, root mean squared error, and singular value decomposition. A unique contribution of this work is to provide a comparative study with three different AR models that is carried out to understand the influence of the model order on the damage detection process in the presence of simulated operational and environmental variability. A three-story base-excited frame structure was used as a test bed in a laboratory setting, and data sets were measured for several structural state conditions. Damage was introduced by a bumper mechanism that induces a repetitive impact-type nonlinearity. The operational and environmental effects were simulated by adding mass and by changing the stiffness properties of the columns. It was found that these four techniques do not converge to a unique solution, rather all require somewhat qualitative interpretation to define the optimal model order. The comparative study carried out on these data sets shows that the AR model order range defined by the four techniques provides robust damage detection in the presence of simulated operational and environmental variability.
C1 [Park, Gyuhae; Farrar, Charles R.] Los Alamos Natl Lab, Engn Inst, Los Alamos, NM 87545 USA.
[Figueiredo, Eloi; Figueiras, Joaquim] Univ Porto, Dept Civil Engn, Fac Engn, P-4100 Oporto, Portugal.
[Worden, Keith] Univ Sheffield, Dept Mech Engn, Sheffield, S Yorkshire, England.
RP Farrar, CR (reprint author), Los Alamos Natl Lab, Engn Inst, Los Alamos, NM 87545 USA.
EM farrar@lanl.gov
OI Figueiras, Joaquim/0000-0002-3009-6803; Figueiredo,
Eloi/0000-0002-9168-6903; Farrar, Charles/0000-0001-6533-6996
NR 26
TC 35
Z9 35
U1 4
U2 15
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1093-9687
J9 COMPUT-AIDED CIV INF
JI Comput.-Aided Civil Infrastruct. Eng.
PD APR
PY 2011
VL 26
IS 3
BP 225
EP 238
DI 10.1111/j.1467-8667.2010.00685.x
PG 14
WC Computer Science, Interdisciplinary Applications; Construction &
Building Technology; Engineering, Civil; Transportation Science &
Technology
SC Computer Science; Construction & Building Technology; Engineering;
Transportation
GA 721NS
UT WOS:000287362200006
ER
PT J
AU Dan, C
Grygoryev, D
Sandfort, K
Connolly, M
Cross, B
Lasarev, M
Kronenberg, A
Turker, MS
AF Dan, Cristian
Grygoryev, Dmytro
Sandfort, Kelly
Connolly, Marissa
Cross, Brittany
Lasarev, Michael
Kronenberg, Amy
Turker, Mitchell S.
TI Marked Aneuploidy and Loss of Multiple Chromosomes Are Common in
Autosomal Mutants Isolated from Normal Mouse Kidney Epithelium
SO GENES CHROMOSOMES & CANCER
LA English
DT Article
ID SOLID TISSUES; CELLS; INSTABILITY; CANCER; ABERRATIONS; RADIATION;
MUTATION; MICE
AB Marked aneuploidy and loss of multiple chromosomes are hallmarks of cancer, but whether these events are only present in malignant cells is not known. In prior work, we showed that approximately half of spontaneous autosomal mutants isolated directly from normal kidney epithelium arose from loss of a marker chromosome 8 containing the wild type Aprt gene. Chromosome loss was detected by loss of heterozygosity (LOH) for all chromosome 8 polymorphic loci examined. To determine whether loss of chromosome 8 reflected a larger mitotic event, LOH was examined for polymorphic loci on 11 nonselected chromosomes in Aprt mutants that lost the selected chromosome 8 homologue. LOH events were detected for one or more nonselected chromosomes in 38% of these mutants. The additional LOH events also reflected apparent chromosome loss based on the molecular analysis. Metaphase spreads from mutants that lost chromosome 8 were markedly aneuploid, and chromosome painting revealed reduced levels for any chromosome shown to be lost with the LOH analysis. In contrast, LOH on nonselected chromosomes was infrequent in Aprt mutants exhibiting intragenic events or mitotic recombination for chromosome 8, and marked aneuploidy was absent. These observations suggest that the mechanism leading to chromosome loss in somatic mammalian cells is often not a simple nondisjunction event and instead could result from a single catastrophic event. They also suggest that cells with characteristics of malignancy are present in normal appearing tissue. (C) 2011 Wiley-Liss, Inc.
C1 [Dan, Cristian; Grygoryev, Dmytro; Sandfort, Kelly; Connolly, Marissa; Cross, Brittany; Lasarev, Michael; Turker, Mitchell S.] Oregon Hlth & Sci Univ, Ctr Res Occupat & Environm Toxicol, Portland, OR 97239 USA.
[Kronenberg, Amy] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Turker, Mitchell S.] Oregon Hlth & Sci Univ, Dept Mol & Med Genet, Portland, OR 97239 USA.
RP Turker, MS (reprint author), Oregon Hlth & Sci Univ, Ctr Res Occupat & Environm Toxicol, L606,3181 SW Sam Jackson Pk Rd, Portland, OR 97239 USA.
EM turkerm@ohsu.edu
OI Lasarev, Michael R/0000-0002-1896-2705
FU NIH [DK074742]; NASA [T-403X, NNJ0HC72I, NNX10AC12G]; CROET
FX Supported by: NIH, Grant number: DK074742; NASA, Grant numbers: T-403X,
NNJ0HC72I, and NNX10AC12G; CROET.
NR 22
TC 4
Z9 4
U1 1
U2 1
PU WILEY-LISS
PI HOBOKEN
PA DIV JOHN WILEY & SONS INC, 111 RIVER ST, HOBOKEN, NJ 07030 USA
SN 1045-2257
J9 GENE CHROMOSOME CANC
JI Gene Chromosomes Cancer
PD APR
PY 2011
VL 50
IS 4
BP 239
EP 249
DI 10.1002/gcc.20849
PG 11
WC Oncology; Genetics & Heredity
SC Oncology; Genetics & Heredity
GA 720DS
UT WOS:000287261000004
PM 21254298
ER
PT J
AU Jamiyansharav, K
Ojima, D
Pielke, RA
Parton, W
Morgan, J
Beltran-Przekurat, A
LeCain, D
Smith, D
AF Jamiyansharav, K.
Ojima, D.
Pielke, R. A.
Parton, W.
Morgan, J.
Beltran-Przekurat, A.
LeCain, D.
Smith, D.
TI Seasonal and interannual variability in surface energy partitioning and
vegetation cover with grazing at shortgrass steppe
SO JOURNAL OF ARID ENVIRONMENTS
LA English
DT Article
DE Energy fluxes; Grazing; Shortgrass steppe; Vegetation
ID SEMIARID GRASSLAND; CARBON EXCHANGE; SOIL; EVAPOTRANSPIRATION; COLORADO;
PRAIRIE; CO2; PRECIPITATION; TEMPERATURES; ECOSYSTEM
AB We evaluated shortgrass steppe energy budgets based on the Bowen Ratio Energy Balance method for three different grazing intensity treatments at the Central Plains Experimental Range Long-Term Ecological Research (CPER-LTER) site. We tested the correlations between aboveground biomass and surface energy fluxes for three different precipitation years based on continuously measured 20 min interval data.
Grazing has a potential impact on energy partitioning under conditions of higher water availability, but not during dry conditions. Our study confirms that precipitation, not grazing treatment, explains the majority of variation in aboveground biomass at the CPER-LTER site. In addition, we are suggesting effective temperature, not air temperature, as a superior metric to evaluate surface heat change. Effective temperature takes into account humidity as well as air temperature. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Jamiyansharav, K.; Ojima, D.; Parton, W.] CSU, NREL, Grad Degree Program Ecol, Ft Collins, CO 80523 USA.
[Pielke, R. A.; Beltran-Przekurat, A.] CU Boulder, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA.
[Pielke, R. A.; Beltran-Przekurat, A.] CU Boulder, CIRES, Boulder, CO 80309 USA.
[Morgan, J.; LeCain, D.; Smith, D.] USDA ARS, Ft Collins, CO 80523 USA.
RP Jamiyansharav, K (reprint author), CSU, NREL, Grad Degree Program Ecol, 1231 East Dr, Ft Collins, CO 80523 USA.
EM jkhishig@warnercnr.colostate.edu
RI Ojima, Dennis/C-5272-2016
FU National Science Foundation [DEB 0217631]
FX The first author sincerely thanks all of the co-authors who contributed
and supported this energy budget study at the SGS-LTER site. Special
thanks to Lara Prihodko and Robin Kelly for data processing and Robin
Kelly, Dallas Staley, and Daniel Milchunas for helpful editing of the
manuscript. This work was supported in part by the Shortgrass Steppe
Long-Term Ecological Research project by funds from the National Science
Foundation award DEB 0217631.
NR 34
TC 6
Z9 6
U1 1
U2 13
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0140-1963
J9 J ARID ENVIRON
JI J. Arid. Environ.
PD APR
PY 2011
VL 75
IS 4
BP 360
EP 370
DI 10.1016/j.jaridenv.2010.11.008
PG 11
WC Ecology; Environmental Sciences
SC Environmental Sciences & Ecology
GA 722WX
UT WOS:000287467100006
ER
PT J
AU Hopkins, PE
Phinney, LM
Serrano, JR
AF Hopkins, Patrick E.
Phinney, Leslie M.
Serrano, Justin R.
TI Re-examining Electron-Fermi Relaxation in Gold Films With a Nonlinear
Thermoreflectance Model
SO JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME
LA English
DT Article
DE Fermi relaxation; electron-electron scattering; thermoreflectance
ID PHONON ENERGY RELAXATION; NONEQUILIBRIUM ELECTRON; NOBLE-METALS;
THERMALIZATION; DYNAMICS; LATTICE; COPPER; SIZE; AU
AB In this work, we examine Fermi relaxation in 20 nm Au films with pump-probe themoreflectance using a thin film, intraband thermoreflectance model. Our results indicate that the Fermi relaxation of a perturbed electron system occurs approximately 1.10 +/- 0.05 ps after absorption of a 785 nm, 185 fs laser pulse. This is in agreement with reported values from electron emission experiments but is higher than the Fermi relaxation time determined from previous thermoreflectance measurements. This discrepancy arises due to thermoreflectance modeling and elucidates the importance of the use of a proper thermoreflectance model for thermophysical property determination in pump-probe experiments. [DOI: 10.1115/1.4002778]
C1 [Hopkins, Patrick E.; Phinney, Leslie M.; Serrano, Justin R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Hopkins, PE (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM pehopki@sandia.gov
FU LDRD Program Office; United States Department of Energy's National
Nuclear Security Administration [DE-AC04-94AL85000]
FX P.E.H. is greatly appreciative for funding from the LDRD Program Office
through the Harry S. Truman Fellowship Program. This work was performed,
in part, at the Center for Integrated Nanotechnologies, a U.S.
Department of Energy, Office of Basic Energy Sciences user facility; the
authors would like to thank John Sullivan for assistance regarding work
at the Center for Integrated Nanotechnologies. Sandia National
Laboratories is a multiprogram laboratory operated by Sandia
Corporation, a wholly owned subsidiary of Lockheed-Martin Corporation,
for the United States Department of Energy's National Nuclear Security
Administration under Contract No. DE-AC04-94AL85000.
NR 31
TC 6
Z9 6
U1 1
U2 10
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0022-1481
J9 J HEAT TRANS-T ASME
JI J. Heat Transf.-Trans. ASME
PD APR
PY 2011
VL 133
IS 4
AR 044505
DI 10.1115/1.4002778
PG 4
WC Thermodynamics; Engineering, Mechanical
SC Thermodynamics; Engineering
GA 709IL
UT WOS:000286431600021
ER
PT J
AU Kibanova, D
Trejo, M
Destaillats, H
Cervini-Silva, J
AF Kibanova, Daria
Trejo, Martin
Destaillats, Hugo
Cervini-Silva, Javiera
TI Photocatalytic activity of kaolinite
SO CATALYSIS COMMUNICATIONS
LA English
DT Article
DE Photocatalysis; Photolysis; Kaolinite; Degradation; Toluene; Methylene
blue
ID METHYLENE-BLUE; CLAY-MINERALS; ADSORPTION; PHOTODEGRADATION; SOIL;
POLLUTANTS; SURFACES; AIR; NANOCOMPOSITES; DECOMPOSITION
AB The photocatalytic activity of commercial kaolinite (KGa-1b) was evaluated for the degradation of methylene blue (MB) in aqueous suspension and of toluene in the gas phase. An enhanced photolysis of MB in the presence of kaolinite was detected, albeit at a slower rate than in the presence of the same mass of commercial TiO2 P25. Toluene removal under realistic ambient concentrations was catalyzed by both KGa-1b and P25; however, on a TiO2 content normalized basis, the clay mineral showed a higher photocatalytic rate. In the latter case, toluene degradation was found to be coupled to the presence of kaolinite surfaces, and not proportional to TiO2 content. (c) 2010 Elsevier B.V. All rights reserved.
C1 [Kibanova, Daria] Univ Nacl Autonoma Mexico, Fac Quim, Mexico City 04510, DF, Mexico.
[Kibanova, Daria; Cervini-Silva, Javiera] Univ Autonoma Metropolitana, Dept Proc & Tecnol, Unidad Cuajimalpa, Mexico City 01120, DF, Mexico.
[Trejo, Martin] Inst Politecn Nacl, ESIQIE, Mexico City 07738, DF, Mexico.
[Destaillats, Hugo] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA USA.
[Destaillats, Hugo] Arizona State Univ, Dept Civil & Environm Engn, Tempe, AZ 85287 USA.
[Cervini-Silva, Javiera] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA USA.
[Cervini-Silva, Javiera] NASA, Astrobiol Inst, Washington, DC 20546 USA.
RP Cervini-Silva, J (reprint author), Univ Autonoma Metropolitana, Dept Proc & Tecnol, Div Ciencias Nat & Ingn, Unidad Cuajimalpa UAM C, Artificios 40,40,6 Piso, Mexico City 01120, DF, Mexico.
EM jcervini@correo.cua.uam.mx
RI Destaillats, Hugo/B-7936-2013
FU Universidad Autonoma Metropolitana; CONACYT [23496]
FX The authors thank Maria del Rocio Galindo Ortega (Universidad Autonoma
Metropolitana Unidad Cuajimalpa) and Pilar Fernandez-Lomelin (Instituto
de Geografia, UNAM) for technical assistance. This project was supported
in part by Universidad Autonoma Metropolitana and ECACORE 2020 (SEMARNAT
CONACYT 23496).
NR 35
TC 6
Z9 6
U1 0
U2 25
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1566-7367
J9 CATAL COMMUN
JI Catal. Commun.
PD MAR 31
PY 2011
VL 12
IS 8
BP 698
EP 702
DI 10.1016/j.catcom.2010.10.029
PG 5
WC Chemistry, Physical
SC Chemistry
GA 741PM
UT WOS:000288875900003
ER
PT J
AU Jansen, AN
Clevenger, JA
Baebler, AM
Vaughey, JT
AF Jansen, Andrew N.
Clevenger, Jessica A.
Baebler, Anna M.
Vaughey, John T.
TI Variable temperature performance of intermetallic lithium-ion battery
anode materials
SO JOURNAL OF ALLOYS AND COMPOUNDS
LA English
DT Article
DE Lithium ion battery; Anode; Low temperature; Intermetallic
ID X-RAY-DIFFRACTION; LI-ION; ELECTRODES; CU6SN5; CELLS; ELECTROLYTES;
ETA'-CU6SN5; LITHIATION; GRAPHITE; SURFACE
AB Although a variety of cathode and electrolyte materials have been studied and commercialized over the past two decades, nearly all commercial cells have used a graphitic carbon anode. Several reasons exist for this choice-including cost, low insertion voltage, and ease of use in the cell manufacturing process. However as uses for lithium-ion batteries expand, alternative anodes that may offer better energy and power capability are being explored. For transportation-oriented purposes, anodes based on simple lithiated Zintl compounds, e.g. Li17Sn4, or intermetallic insertion anodes offer significant advantages in capacity (volumetric and gravimetric) and stability in the cell environment that make them attractive candidates for future cell chemistries. Within this context, little however is known about how these alternative anode materials perform as a function of temperature, which is important for applications where operation at temperatures as low as -30 degrees C can be expected. In this study we evaluated a series of intermetallic insertion anodes that operate by a simple metal displacement mechanism. We have found that for Cu6Sn5. Ag/Cu6Sn5, and Cu2Sb, the drop-off in performance with temperature is in line with that observed for a commercial graphite-based anode and indicates that additional variables such as cation diffusion through the electrode passivation film or the electrochemical double layer may be playing an important role that is independent of the underlying anode material. We additionally characterized the NiAs-type mineral Sorosite (CuSn0.9Sb0.1), as various literature reports had indicated that substitution of antimony for tin eliminated the need for interstitial copper, however powder X-ray diffraction studies of samples made by annealing or high energy ball milling indicated mixed phase samples. (c) 2011 Published by Elsevier B.V.
C1 [Jansen, Andrew N.; Clevenger, Jessica A.; Baebler, Anna M.; Vaughey, John T.] Argonne Natl Lab, Electrochem Energy Storage Grp, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Vaughey, JT (reprint author), Argonne Natl Lab, Electrochem Energy Storage Grp, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM vaughey@anl.gov
RI Jansen, Andrew/Q-5912-2016;
OI Jansen, Andrew/0000-0003-3244-7790; Vaughey, John/0000-0002-2556-6129
FU Office of Vehicle Technologies of the U.S. Department of Energy
[DE-AC02-06CH11357]
FX J.A.C. and A.M.B. would like to acknowledge the support received while
at Argonne National Laboratory as participants in the Science
Undergraduate Research Internship (SULI) program administered by the
Office of Science: Office of Workforce Development for Teachers and
Scientists, U.S. Department of Energy. Support from the Office of
Vehicle Technologies (Batteries for Advanced Transportation Technologies
Program) of the U.S. Department of Energy under Contract No.
DE-AC02-06CH11357 is gratefully acknowledged.
NR 34
TC 8
Z9 8
U1 4
U2 37
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0925-8388
J9 J ALLOY COMPD
JI J. Alloy. Compd.
PD MAR 31
PY 2011
VL 509
IS 13
BP 4457
EP 4461
DI 10.1016/j.jallcom.2011.01.111
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy &
Metallurgical Engineering
SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
GA 740ZO
UT WOS:000288833100004
ER
PT J
AU Fu, H
Zou, M
AF Fu, H.
Zou, M.
TI Magnetic and magnetocaloric properties of ternary Gd-Co-Al bulk metallic
glasses
SO JOURNAL OF ALLOYS AND COMPOUNDS
LA English
DT Article
DE Rare earth; Bulk metallic glass; Magnetocaloric effect
ID TRANSITION; ALLOYS
AB Bulk metallic glasses (BMGs) with compositions of Gd(55)Co(x)Al(45-x) (15 <= x <= 30) and Gd(60)Co(y)Al(40-y) (15 <= y <= 30) were synthesized by an injection casting technique. Temperature dependence of magnetization of the BMGs indicates that their Curie temperatures can be tailored between 96 and 143 K by varying Gd and Co concentration. The magnetic entropy changes of the BMGs are greater than 9.0 J/kg K except for the Gd(55)Co(30)Al(15) glass that exhibits a reduced magnetization due to its large Co content. The relative cooling powers of the BMGs are greater than those of any other crystalline compounds and decrease with the increasing Co content. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Fu, H.] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Sichuan, Peoples R China.
[Fu, H.; Zou, M.] Iowa State Univ, Ames Lab, US Dept Energy, Ames, IA 50011 USA.
RP Fu, H (reprint author), Univ Elect Sci & Technol China, Dept Appl Phys, 4,Sect 2,N Jianshe Rd, Chengdu 610054, Sichuan, Peoples R China.
EM fuhao@uestc.edu.cn
FU National Natural Science Foundation of China [50901013]; U.S. Department
of Energy, Office of Basic Energy Sciences, Division of Materials
Sciences and Engineering [DE-AC02-07CH11358]; Iowa State University of
Science and Technology
FX This work was supported by the National Natural Science Foundation of
China (No. 50901013). Work at the Ames Laboratory was supported by the
U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering under Contract No. DE-AC02-07CH11358
with Iowa State University of Science and Technology. We acknowledge
Drs. K.A. Gshneidner, Jr. and V.K. Pecharsky for their support in sample
preparation and characterization.
NR 19
TC 13
Z9 13
U1 3
U2 18
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0925-8388
J9 J ALLOY COMPD
JI J. Alloy. Compd.
PD MAR 31
PY 2011
VL 509
IS 13
BP 4613
EP 4616
DI 10.1016/j.jallcom.2011.01.126
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy &
Metallurgical Engineering
SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
GA 740ZO
UT WOS:000288833100031
ER
PT J
AU Chen, CF
Park, CH
Boudouris, BW
Horng, J
Geng, BS
Girit, C
Zettl, A
Crommie, MF
Segalman, RA
Louie, SG
Wang, F
AF Chen, Chi-Fan
Park, Cheol-Hwan
Boudouris, Bryan W.
Horng, Jason
Geng, Baisong
Girit, Caglar
Zettl, Alex
Crommie, Michael F.
Segalman, Rachel A.
Louie, Steven G.
Wang, Feng
TI Controlling inelastic light scattering quantum pathways in graphene
SO NATURE
LA English
DT Article
ID GEL GATE DIELECTRICS; CARBON NANOTUBES; RAMAN-SPECTROSCOPY; TRANSISTORS;
ELECTRONS
AB Inelastic light scattering spectroscopy has, since its first discovery(1,2), been an indispensable tool in physical science for probing elementary excitations, such as phonons(3), magnons(4) and plasmons(5) in both bulk and nanoscale materials. In the quantum mechanical picture of inelastic light scattering, incident photons first excite a set of intermediate electronic states, which then generate crystal elementary excitations and radiate energy-shifted photons(6). The intermediate electronic excitations therefore have a crucial role as quantum pathways in inelastic light scattering, and this is exemplified by resonant Raman scattering(6) and Raman interference(7,8). The ability to control these excitation pathways can open up new opportunities to probe, manipulate and utilize inelastic light scattering. Here we achieve excitation pathway control in graphene with electrostatic doping. Our study reveals quantum interference between different Raman pathways in graphene: when some of the pathways are blocked, the one-phonon Raman intensity does not diminish, as commonly expected, but increases dramatically. This discovery sheds new light on the understanding of resonance Raman scattering in graphene. In addition, we demonstrate hot-electron luminescence9 in graphene as the Fermi energy approaches half the laser excitation energy. This hot luminescence, which is another form of inelastic light scattering, results from excited-state relaxation channels that become available only in heavily doped graphene.
C1 [Chen, Chi-Fan; Park, Cheol-Hwan; Horng, Jason; Geng, Baisong; Girit, Caglar; Zettl, Alex; Crommie, Michael F.; Louie, Steven G.; Wang, Feng] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Boudouris, Bryan W.; Segalman, Rachel A.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Boudouris, Bryan W.; Zettl, Alex; Crommie, Michael F.; Segalman, Rachel A.; Louie, Steven G.; Wang, Feng] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Wang, F (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM fengwang76@berkeley.edu
RI Park, Cheol-Hwan/A-1543-2009; Girit, Caglar/D-4845-2014; Zettl,
Alex/O-4925-2016; wang, Feng/I-5727-2015;
OI Park, Cheol-Hwan/0000-0003-1584-6896; Girit, Caglar/0000-0001-8953-9261;
Zettl, Alex/0000-0001-6330-136X; Segalman, Rachel/0000-0002-4292-5103
FU US Department of Energy, Lawrence Berkeley National Laboratory
[DE-AC02-05CH11231]; Office of Basic Energy Sciences [DE-AC02-05CH11231,
DE-AC03-76SF0098]; ONR MURI [N00014-09-1-1066]; National Science
Council; National Tsing Hua University, Taiwan [NSC98-2811-M-007-008,
NSC98-2120-M-007-004]
FX This work was supported by the US Department of Energy, Laboratory
Directed Research and Development Program of Lawrence Berkeley National
Laboratory under contract no. DE-AC02-05CH11231 (C.-F.C. and F.W.), by
the Office of Basic Energy Sciences under contract nos DE-AC02-05CH11231
(B.W.B. and R.A.S.), DE-AC03-76SF0098 (Materials Science Division)
(C.G., A.Z.) and DE-AC02-05CH11231 (Advanced Light Source), and by ONR
MURI award N00014-09-1-1066 (J.H., C.-H.P., S.G.L., M.F.C.). C.-F.C.
also acknowledges fellowship support from the National Science Council
and National Tsing Hua University, Taiwan, under awards
NSC98-2811-M-007-008 and NSC98-2120-M-007-004.
NR 30
TC 205
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U1 12
U2 170
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
J9 NATURE
JI Nature
PD MAR 31
PY 2011
VL 471
IS 7340
BP 617
EP 620
DI 10.1038/nature09866
PG 4
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 742NN
UT WOS:000288951200038
PM 21412234
ER
PT J
AU Maier, TA
Graser, S
Hirschfeld, PJ
Scalapino, DJ
AF Maier, T. A.
Graser, S.
Hirschfeld, P. J.
Scalapino, D. J.
TI d-wave pairing from spin fluctuations in the KxFe2-ySe2 superconductors
SO PHYSICAL REVIEW B
LA English
DT Article
AB Angle-resolved photoemission spectroscopy measurements on the recently discovered superconductors in the KFe2Se2 family with critical temperatures up to similar to 33 K suggest that no Fermi pockets of hole character centered on the Gamma point of the Brillouin zone are present, in contrast to all other known ferropnictide and ferrochalcogenide superconductors. Using a fluctuation exchange approximation and a five-orbital tight-binding description of the band structure, we calculate the effective pairing interaction. We find that the pairing state in this system is most likely to have d-wave symmetry due to pair scattering between the remaining electron Fermi pockets at wave vector q similar to (pi, pi), but without any symmetry-imposed nodes for the given Fermi surface. We propose experimental tests of this result, including the form of the resonance spectrum probed by inelastic neutron scattering.
C1 [Maier, T. A.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci & Comp Sci, Oak Ridge, TN 37831 USA.
[Maier, T. A.] Oak Ridge Natl Lab, Div Math, Oak Ridge, TN 37831 USA.
[Graser, S.] Univ Augsburg, Ctr Elect Correlat & Magnetism, Inst Phys, D-86135 Augsburg, Germany.
[Hirschfeld, P. J.] Univ Florida, Dept Phys, Gainesville, FL 32611 USA.
[Scalapino, D. J.] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
RP Maier, TA (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci & Comp Sci, Oak Ridge, TN 37831 USA.
RI Maier, Thomas/F-6759-2012
OI Maier, Thomas/0000-0002-1424-9996
FU DOE [DE-FG02-05ER46236]; DFG [TRR80]; National Science Foundation
[PHY05-51164]; Free State of Bavaria; Center for Nanophase Materials
Sciences; Scientific User Facilities Division, US Department of Energy
FX This work was supported by DOE Grant No. DE-FG02-05ER46236 (P.J.H.), the
DFG through TRR80, the National Science Foundation under Grant No.
PHY05-51164, and the Free State of Bavaria through the BaCaTeC program
(S.G.). T.A.M. and D.J.S. acknowledge support from the Center for
Nanophase Materials Sciences, which is sponsored at Oak Ridge National
Laboratory by the Scientific User Facilities Division, US Department of
Energy. All authors are grateful for the hospitality and the vibrant and
inspiring atmosphere at KITP, where this work was performed. We would
also like to acknowledge fruitful discussions with A. Chubukov and I.
Mazin.
NR 25
TC 121
Z9 121
U1 3
U2 28
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 31
PY 2011
VL 83
IS 10
AR 100515
DI 10.1103/PhysRevB.83.100515
PG 4
WC Physics, Condensed Matter
SC Physics
GA 743DT
UT WOS:000288998200002
ER
PT J
AU Ryan, DH
Rowan-Weetaluktuk, WN
Cadogan, JM
Hu, R
Straszheim, WE
Bud'ko, SL
Canfield, PC
AF Ryan, D. H.
Rowan-Weetaluktuk, W. N.
Cadogan, J. M.
Hu, R.
Straszheim, W. E.
Bud'ko, S. L.
Canfield, P. C.
TI Fe-57 Mossbauer study of magnetic ordering in superconducting
K0.80Fe1.76Se2.00 single crystals
SO PHYSICAL REVIEW B
LA English
DT Article
ID PRESSURE; FE7SE8
AB The magnetic ordering of superconducting single crystals of K0.80Fe1.76Se2.00 has been studied between 10 and 550 Kusing Fe-57 Mossbauer spectroscopy. Despite being superconducting below T-sc similar to 30 K, the iron sublattice in K0.80Fe1.76Se2.00 clearly exhibits magnetic order from well below T-sc to its Neel temperature of T-N = 532 +/- 2 K. The iron moments are ordered almost parallel to the crystal c axis. The order collapses rapidly above 500 K and the accompanying growth of a paramagnetic component suggests that the magnetic transition may be first order, which may explain the unusual temperature dependence reported in recent neutron diffraction studies.
C1 [Ryan, D. H.; Rowan-Weetaluktuk, W. N.] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada.
[Ryan, D. H.; Rowan-Weetaluktuk, W. N.] McGill Univ, Ctr Phys Mat, Montreal, PQ H3A 2T8, Canada.
[Cadogan, J. M.] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada.
[Hu, R.; Straszheim, W. E.; Bud'ko, S. L.; Canfield, P. C.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA.
[Hu, R.; Straszheim, W. E.; Bud'ko, S. L.; Canfield, P. C.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Ryan, DH (reprint author), McGill Univ, Dept Phys, 3600 Univ St, Montreal, PQ H3A 2T8, Canada.
RI Hu, Rongwei/E-7128-2012; Canfield, Paul/H-2698-2014
FU Natural Sciences and Engineering Research Council of Canada; Fonds
Quebecois de la Recherche sur la Nature et les Technologies; Canada
Research Chairs program; AFOSR [FA9550-09-1-0603]; US Department of
Energy, Office of Basic Energy Science, Division of Materials Sciences
and Engineering; Iowa State University [DE-AC02-07CH11358]
FX Financial support for various stages of this work was provided by the
Natural Sciences and Engineering Research Council of Canada and Fonds
Quebecois de la Recherche sur la Nature et les Technologies. J.M.C.
acknowledges support from the Canada Research Chairs program. R.H. and
P.C.C. are supported by AFOSR-MURI Grant No. FA9550-09-1-0603. W.E.S.
and S.L.B. are supported by the US Department of Energy, Office of Basic
Energy Science, Division of Materials Sciences and Engineering.
Synthesis and basic characterization were performed in Ames Laboratory
which is operated for the US Department of Energy by Iowa State
University under Contract No. DE-AC02-07CH11358.
NR 40
TC 67
Z9 68
U1 1
U2 16
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 31
PY 2011
VL 83
IS 10
AR 104526
DI 10.1103/PhysRevB.83.104526
PG 6
WC Physics, Condensed Matter
SC Physics
GA 743DT
UT WOS:000288998200005
ER
PT J
AU Ward, TZ
Gai, Z
Guo, HW
Yin, LF
Shen, J
AF Ward, T. Z.
Gai, Z.
Guo, H. W.
Yin, L. F.
Shen, J.
TI Dynamics of a first-order electronic phase transition in manganites
SO PHYSICAL REVIEW B
LA English
DT Article
ID PERCOLATION
AB By reducing an electronically phase-separated manganite (La(1-y)Pr(y))(x)Ca(1-x)MnO(3) single-crystal thin film to dimensions on the order of the inherent phase domains, it is possible to isolate and monitor the behavior of single domains at a first-order transition. At this critical point, it is possible to study the coexistence, formation, and annihilation processes of discrete electronic phase domains. With this technique, we make several observations on the mechanisms leading to the metal-insulator transition in manganites. We observe that domain formation is emergent and random, the transition process from the metallic phase to the insulating phase takes longer than the reverse process, electric field effects are more influential in driving a phase transition than current-induced electron heating, and single domain transition dynamics can be tuned through careful application of temperature and electric field.
C1 [Ward, T. Z.; Gai, Z.; Guo, H. W.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USA.
[Gai, Z.] Oak Ridge Natl Lab, Ctr Nanophase, Oak Ridge, TN 37830 USA.
[Gai, Z.] Oak Ridge Natl Lab, Div Mat Sci, Oak Ridge, TN 37830 USA.
[Yin, L. F.; Shen, J.] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.
[Yin, L. F.; Shen, J.] Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.
[Guo, H. W.; Shen, J.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RP Ward, TZ (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USA.
EM shenj5494@fudan.edu.cn
RI Gai, Zheng/B-5327-2012; Ward, Thomas/I-6636-2016
OI Gai, Zheng/0000-0002-6099-4559; Ward, Thomas/0000-0002-1027-9186
FU US DOE Office of Basic Energy Sciences, Materials Sciences and
Engineering Division, through the Oak Ridge National Laboratory;
Scientific User Facilities Division, US DOE; US DOE Office of Basic
Energy Sciences [DE-SC0002136]; National Basic Research Program of China
(973 Program) [2011CB921801]
FX This effort was supported by the US DOE Office of Basic Energy Sciences,
Materials Sciences and Engineering Division, through the Oak Ridge
National Laboratory (T.Z.W. and H.W.G.). A portion of this research was
conducted at the Center for Nanophase Materials Sciences, which is
sponsored at Oak Ridge National Laboratory by the Scientific User
Facilities Division, US DOE. We also acknowledge partial funding support
from the US DOE Office of Basic Energy Sciences, the US DOE Grant No.
DE-SC0002136 (Z.G.), and the National Basic Research Program of China
(973 Program) under Grant No. 2011CB921801 (L.F.Y. and J.S.).
NR 39
TC 23
Z9 24
U1 2
U2 26
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 31
PY 2011
VL 83
IS 12
AR 125125
DI 10.1103/PhysRevB.83.125125
PG 7
WC Physics, Condensed Matter
SC Physics
GA 743DX
UT WOS:000288998600004
ER
PT J
AU Schroeder, CB
Benedetti, C
Esarey, E
Leemans, WP
AF Schroeder, C. B.
Benedetti, C.
Esarey, E.
Leemans, W. P.
TI Nonlinear Pulse Propagation and Phase Velocity of Laser-Driven Plasma
Waves
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ACCELERATOR
AB Laser evolution and plasma wave excitation by a relativistically intense short-pulse laser in underdense plasma are investigated in the broad pulse limit, including the effects of pulse steepening, frequency redshifting, and energy depletion. The nonlinear plasma wave phase velocity is shown to be significantly lower than the laser group velocity and further decreases as the pulse propagates owing to laser evolution. This lowers the thresholds for trapping and wave breaking and reduces the energy gain and efficiency of laser-plasma accelerators that use a uniform plasma profile.
C1 [Schroeder, C. B.; Benedetti, C.; Esarey, E.; Leemans, W. P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Schroeder, CB (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
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 The authors acknowledge valuable conversations with B. Shadwick. 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.
NR 14
TC 31
Z9 31
U1 3
U2 15
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 31
PY 2011
VL 106
IS 13
AR 135002
DI 10.1103/PhysRevLett.106.135002
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 743EK
UT WOS:000289000100009
PM 21517391
ER
PT J
AU Kanarr, AC
Rupert, BL
Hammond, S
van de Lagemaat, J
Johnson, JC
Ferguson, AJ
AF Kanarr, Allison C.
Rupert, Benjamin L.
Hammond, Scott
van de Lagemaat, Jao
Johnson, Justin C.
Ferguson, Andrew J.
TI Excited-State Processes in First-Generation Phenyl-Cored Thiophene
Dendrimers
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID LIGHT-EMITTING-DIODES; POLYMER PHOTOVOLTAIC CELLS; SOLAR-CELLS;
CONJUGATED POLYMERS; OLIGOTHIOPHENES; SPECTROSCOPY; ABSORPTION;
EFFICIENCY; TRANSPORT; SINGLET
AB First generation dendrimers with three oligothiophene arms (meta-arranged, 3G1-nS) and four arms (ortho- and para-arranged, 4G1-nS) connected to a central phenyl core were investigated spectroscopically in solution. In all dendrimers, on an ultrafast time scale (<10 ps), two "cooling" processes convert the initially generated, "hot" exciton into the geometrically relaxed, "cold" exciton. A decrease in the triplet yield, particularly evident for the 4-arm dendrimers; intersystem crossing rate; and nonradiative triplet decay time with increasing number of bridging thiophene units n all meet with expectations from prior studies on linear oligothiophenes. A relatively fast internal conversion process (>0.6 ns(-1)) is observed in both dendrimer series, possibly due to increased twisting about the phenyl core that reduces the triplet yields considerably with respect to oligothiophenes. An anomalous shifting of the triplet triplet absorption spectra characterizes the 4G1-nS dendrimers as unique from the 3G1-nS series in terms of the hindrance of torsional motion and confinement of excited states enforced by the arrangement of dendrons.
C1 [Rupert, Benjamin L.; Hammond, Scott; van de Lagemaat, Jao; Johnson, Justin C.; Ferguson, Andrew J.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Kanarr, Allison C.] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80305 USA.
RP Johnson, JC (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM justin.johnson@nrel.gov; andrew.ferguson@nrel.gov
RI Rupert, Benjamin/E-1694-2011; van de Lagemaat, Jao/J-9431-2012;
OI Ferguson, Andrew/0000-0003-2544-1753
FU U.S. Department of Energy [DE-AC36-08GO28308]
FX This research was performed under a grant from the Laboratory Directed
Research and Development program at the National Renewable Energy
Laboratory, which is supported by the U.S. Department of Energy under
Contract No. DE-AC36-08GO28308.
NR 47
TC 3
Z9 3
U1 2
U2 19
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD MAR 31
PY 2011
VL 115
IS 12
BP 2515
EP 2522
DI 10.1021/jp110428u
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 738MT
UT WOS:000288644600009
PM 21381649
ER
PT J
AU Vasu, SS
Lam, KH
Davidson, DF
Hanson, RK
Golden, DM
AF Vasu, Subith S.
Lam K Huynh
Davidson, David F.
Hanson, Ronald K.
Golden, David M.
TI Reactions of OH with Butene Isomers: Measurements of the Overall Rates
and a Theoretical Study
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID CONCENTRATION-TIME-HISTORIES; HIGH-TEMPERATURE MEASUREMENTS; SHOCK-TUBE;
HYDROXYL RADICALS; OXIDATION; KINETICS; DECOMPOSITION; HYDROCARBONS;
ABSTRACTION; COMBUSTION
AB Reactions of hydroxyl (OH) radicals with 1-butene (k(1)), trans-2-butene (k(2)), and cis-2-butene (k(3)) were studied behind reflected shock waves over the temperature range 880-1341 K and at pressures near 2.2 atm. OH radicals were produced by shock-heating tert-butyl hydroperoxide, (CH3)(3)-CO-OH, and monitored by narrow-line width ring dye laser absorption of the well-characterized R-1(5) line of the OH A-X (0, 0) band near 306.7 nm. OH time histories were modeled using a comprehensive C-5 oxidation mechanism, and rate constants for the reaction of OH with butene isomers were extracted by matching modeled and measured OH concentration time histories. We present the first high-temperature measurement of OH + cis-2-butene and extend the temperature range of the only previous high-temperature study for both 1-butene and trans-2-butene. With the potential energy surface calculated using CCSD(T)/6-311++G(d,p)//QCISD/6-31G(d),the rate constants and branching fractions for the H-abstraction channels of the reaction of OH with 1-butene were calculated in the temperature range 300-1500 K. Corrections for variational and tunneling effects as well as hindered-rotation treatments were included. The calculations are in good agreement with current and previous experimental data and with a recent theoretical study.
C1 [Vasu, Subith S.; Davidson, David F.; Hanson, Ronald K.; Golden, David M.] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA.
[Vasu, Subith S.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
[Lam K Huynh] Int Univ VNUHCM, Sch Biotechnol, Ho Chi Minh City, Vietnam.
[Lam K Huynh] Inst Computat Sci & Technol, Ho Chi Minh City, Vietnam.
[Lam K Huynh] Colorado Sch Mines, Dept Chem Engn, Golden, CO 80401 USA.
RP Vasu, SS (reprint author), Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA.
EM subith@gmail.com
OI Vasu, Subith/0000-0002-4164-3163
FU DOE Office of Basic Energy Sciences; U.S. Department of Energy, Office
of Science, Office of Basic Energy Sciences [DE-SC0001198]
FX The early portions of this work were supported by the DOE Office of
Basic Energy Sciences, with Dr. Wade Sisk as contract monitor; the later
portions were supported by the Combustion Energy Frontier Research
Center funded by the U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences under Award Number DE-SC0001198. The
authors are grateful to Dr. H. Sun for providing calculated data on the
variational effects and to Dr. H.-H. Carstensen for useful discussions.
NR 52
TC 14
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U1 1
U2 41
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD MAR 31
PY 2011
VL 115
IS 12
BP 2549
EP 2556
DI 10.1021/jp112294h
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 738MT
UT WOS:000288644600013
PM 21388160
ER
PT J
AU Herascu, N
Najafi, M
Amunts, A
Pieper, J
Irrgang, KD
Picorel, R
Seibert, M
Zazubovich, V
AF Herascu, Nicoleta
Najafi, Mehdi
Amunts, Alexey
Pieper, Joerg
Irrgang, Klaus-Dieter
Picorel, Rafael
Seibert, Michael
Zazubovich, Valter
TI Parameters of the Protein Energy Landscapes of Several Light-Harvesting
Complexes Probed via Spectral Hole Growth Kinetics Measurements
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID SINGLE-MOLECULE SPECTROSCOPY; HYPERQUENCHED GLASSY WATER; EXCITON LEVEL
STRUCTURE; PLANT PHOTOSYSTEM-II; CORE ANTENNA COMPLEX; LOW-TEMPERATURE;
GREEN PLANTS; ELECTRON-PHONON; LHC-II; THERMOSYNECHOCOCCUS-ELONGATUS
AB The parameters of barrier distributions on the protein energy landscape in the excited electronic state of the pigment/protein system have been determined by means of spectral hole burning for the lowest-energy pigments of CP43 core antenna complex and CP29 minor antenna complex of spinach Photosystem II (PS II) as well as of trimeric and monomeric LHCII complexes transiently associated with the pea Photosystem I (PS I) pool. All of these complexes exhibit sixty to several hundred times lower spectral hole burning yields as compared with molecular glassy solids previously probed by means of the hole growth kinetics measurements. Therefore, the entities (groups of atoms), which participate in conformational changes in protein, appear to be significantly larger and heavier than those in molecular glasses. No evidence of a small (similar to 1 cm(-1)) spectral shift tier of the spectral diffusion dynamics has been observed. Therefore, our data most likely reflect the true barrier distributions of the intact protein and not those related to the interface or surrounding host. Possible applications of the barrier distributions as well as the assignments of low-energy states of CP29 and LHCII are discussed in light of the above results.
C1 [Herascu, Nicoleta; Najafi, Mehdi; Zazubovich, Valter] Concordia Univ, Dept Phys, Montreal, PQ H4B 1R6, Canada.
[Amunts, Alexey] MRC, Mol Biol Lab, Cambridge CB2 2QH, England.
[Pieper, Joerg] Tech Univ Berlin, D-1000 Berlin, Germany.
[Irrgang, Klaus-Dieter] Univ Appl Sci, Berlin, Germany.
[Picorel, Rafael] CSIC, Estn Expt Aula Dei, Zaragoza 50059, Spain.
[Seibert, Michael] NREL, Golden, CO USA.
RP Zazubovich, V (reprint author), Concordia Univ, Dept Phys, 7141 Sherbrooke St W, Montreal, PQ H4B 1R6, Canada.
EM vzazubov@alcor.concordia.ca
RI PICOREL, RAFAEL/K-7930-2014
OI PICOREL, RAFAEL/0000-0003-3791-129X
FU NSERC; CFI; Spanish MICINN [AGL2008-00377]; Deutsche
Forschungsgemeinschaft [SFB 429, TP A1, TP A3]
FX Research at Concordia University is supported by NSERC and CFI. We thank
our collaborator Dr. Nathan Nelson (Tel Aviv University) for helping
with LHCII purification and Dr. Tonu Reinot (ISU) for useful discussions
on HGK modeling. Xin Zhao is acknowledged for buffer preparation. R.P.
would like to thank Spanish MICINN (grant AGL2008-00377). M.S.
acknowledges the contribution of the Photosynthetic Systems Program,
Chemical Sciences, Geosciences, and Biosciences Division, Basic Energy
Sciences, USDOE. J.P. and K.-D.I. gratefully acknowledge support from
Deutsche Forschungsgemeinschaft (SFB 429, TP A1, and TP A3,
respectively).
NR 76
TC 12
Z9 12
U1 0
U2 6
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 MAR 31
PY 2011
VL 115
IS 12
BP 2737
EP 2747
DI 10.1021/jp108775y
PG 11
WC Chemistry, Physical
SC Chemistry
GA 738MU
UT WOS:000288644700006
PM 21391534
ER
PT J
AU Sun, XQ
Wick, CD
Thallapally, PK
McGrail, BP
Dang, LX
AF Sun, Xiuquan
Wick, Collin D.
Thallapally, Praveen K.
McGrail, B. Peter
Dang, Liem X.
TI Computational Study of Hydrocarbon Adsorption in Metal-Organic Framework
Ni-2(dhtp)
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID MOLECULAR-DYNAMICS SIMULATIONS; RANKINE-CYCLE ORC; FORCE-FIELD;
SYSTEMATIC DESIGN; FLUID SELECTION; WORKING FLUIDS; TEMPERATURE;
DIFFUSION; HEAT; OPTIMIZATION
AB Enhancing the efficiency of the Rankine cycle, which is utilized for multiple renewable energy sources, requires the use of a working fluid with a high latent heat of vaporization. To further enhance its latent heat, a working fluid can be placed in a metal organic heat carrier (MOHC) with a high heat of adsorption. One such material is Ni\DOBDC, in which linear alkanes have a higher heat of adsorption than cyclic alkanes. We carried out molecular dynamics simulations to investigate the structural, diffusive, and adsorption properties of n-hexane and cyclohexane in Ni\DOBDC. The strong binding for both n-hexane and cyclohexane with Ni\DOBDC is attributed to the increase of the heat of adsorption observed in experiments. Our structural results indicate the organic linkers in NA\DOBDC are the primary binding sites for both n-hexane and cydohexane molecules. However, at all temperatures and loadings examined in present work, n-hexane clearly showed stronger binding with Ni\DOBDC than cyclohexane. This was found to be the result of the ability of n-hexane to reconfigure its structure to a greater degree than cyclohexane to gain more contacts between adsorbates and adsorbents. The geometry and flexibility of guest molecules were also related to their diffusivity in Ni\DOBDC, with higher diffusion, for flexible molecules. Because of the large pore sizes in Ni\DOBDC, energetic effects were the dominant force for alkane adsorption and selectivity.
C1 [Sun, Xiuquan; Thallapally, Praveen K.; McGrail, B. Peter; Dang, Liem X.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Wick, Collin D.] Louisiana Tech Univ, Ruston, LA 71270 USA.
RP Dang, LX (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM liem.dang@pnl.gov
RI thallapally, praveen/I-5026-2014
OI thallapally, praveen/0000-0001-7814-4467
FU Division of Chemical Sciences, Geosciences and Biosciences, Office of
Basic Energy Sciences; U.S. Department of Energy (DOE); DOE
[DE-AC05-76RL01830]
FX This work was supported by the Division of Chemical Sciences,
Geosciences and Biosciences, Office of Basic Energy Sciences, and by the
Office of Energy Efficiency and Renewable Energy, Geothermal
Technologies Program, U.S. Department of Energy (DOE). This manuscript
has been authored by Battelle Memorial Institute, Pacific Northwest
Division, under Contract No. DE-AC05-76RL01830 with the DOE. 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, worldwide license to publish or
reproduce the published form of this manuscript, or allow others to do
so, for United States Government purposes.
NR 51
TC 7
Z9 7
U1 2
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 MAR 31
PY 2011
VL 115
IS 12
BP 2842
EP 2849
DI 10.1021/jp1115299
PG 8
WC Chemistry, Physical
SC Chemistry
GA 738MU
UT WOS:000288644700019
PM 21384829
ER
PT J
AU Idupulapati, N
Devanathan, R
Dupuis, M
AF Idupulapati, Nagesh
Devanathan, Ram
Dupuis, Michel
TI Atomistic Simulations of Perfluoro Phosphonic and Phosphinic Acid
Membranes and Comparisons to Nafion
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID PROTON-EXCHANGE MEMBRANES; MOLECULAR-DYNAMICS SIMULATIONS; FUEL-CELL
MEMBRANES; INTERMEDIATE TEMPERATURE; PROTOGENIC GROUP; SULFONIC-ACID;
AB-INITIO; HYDRATED MORPHOLOGIES; NANOPHASE-SEGREGATION; CONDUCTING
POLYMERS
AB We used classical molecular dynamics simulations to investigate the morphology and proton transport properties of perfluoro phosphonic (FPA) and phosphinic acid (FPA-I) membranes that have potential applications in low-temperature fuel cells. We systematically investigated these properties as a function of the hydration level. We examined changes in structure, transport dynamics of water and hydronium ions, and water network percolation relative to those in Nafion membrane to examine the effect of functional group acidity on these properties. Phosphonic and phosphinic acid moieties in FPA and FPA-I have lower acidity than sulfonic acid in Nafion, yet the diffusion of water was faster in FPA and FPA-I than in Nafion, particularly at low hydration levels. However this did not give rise to notable differences in hydronium ion diffusion and water network percolation for these membranes over Nafion. These results, along with similar findings from our recent study of perfluoro-sulfonyl imide membranes carrying stronger superacids than the sulfonic acid of Nafion, suggest that there is no strong correlation between the acidity of the functional groups and the dynamics of water and hydronium ions in hydrated polymer electrolyte membranes with similar fluorocarbon backbones and side chains.
C1 [Idupulapati, Nagesh; Devanathan, Ram; Dupuis, Michel] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA.
RP Idupulapati, N (reprint author), Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA.
EM nagesh.idupulapati@pnl.gov
RI Devanathan, Ram/C-7247-2008
OI Devanathan, Ram/0000-0001-8125-4237
FU U.S. Department of Energy's (DOE) Office of Basic Energy Sciences,
Chemical Sciences, Geosciences and Biosciences Division
[DE-AC05-76RL01830]; DOE's Office of Biological and Environmental
Research at Pacific Northwest National Laboratory (PNNL); Office of
Science of DOE [DE-AC02-05CH1123]
FX This work was supported by the U.S. Department of Energy's (DOE) Office
of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences
Division under Contract DE-AC05-76RL01830. It was performed in part
using the Molecular Science Computing Facility (MSCF) in the EMSL, a
national scientific user facility sponsored by DOE's Office of
Biological and Environmental Research located at Pacific Northwest
National Laboratory (PNNL). PNNL is operated by Battelle for DOE. This
work benefited also from resources of the National Energy Research
Scientific Computing Center, which is supported by the Office of Science
of DOE under Contract No. DE-AC02-05CH1123.
NR 60
TC 10
Z9 11
U1 2
U2 14
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 MAR 31
PY 2011
VL 115
IS 12
BP 2959
EP 2969
DI 10.1021/jp111972h
PG 11
WC Chemistry, Physical
SC Chemistry
GA 738MU
UT WOS:000288644700033
PM 21391542
ER
PT J
AU Ganesh, P
Jiang, DE
Kent, PRC
AF Ganesh, P.
Jiang, De-en
Kent, P. R. C.
TI Accurate Static and Dynamic Properties of Liquid Electrolytes for Li-Ion
Batteries from ab initio Molecular Dynamics
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID AUGMENTED-WAVE METHOD; ETHYLENE CARBONATE; PROPYLENE CARBONATE; DIMETHYL
CARBONATE; LITHIUM; SIMULATION; SOLVATION; CHEMISTRY; INTERCALATION;
ASSOCIATION
AB Lithium-ion batteries have the potential to revolutionize the transportation industry, as they did for wireless communication. A judicious choice of the liquid electrolytes used in these systems is required to achieve a good balance among high-energy storage, long cycle life and stability, and fast charging. Ethyle:ne-carbonate (EC) and propylene-carbonate (PC) are popular electrolytes. However, to date, almost all molecular-dynamics simulations of these fluids rely on classical force fields, while a complete description of the functionality of Li-ion batteries will eventually require quantum mechanics. We perform accurate ab initio molecular-dynamics simulations of ethylene- and propylene-carbonate with LiPF(6) at experimental concentrations to build solvation models which explain available neutron scattering and nuclear magnetic resonance (NMR) results and to compute Li-ion solvation energies and diffusion constants. Our results suggest some similarities between the two liquids as well as some important differences. Simulations also provide useful insights into formation of solid-electrolyte interphases in the presence of electrodes in conventional Li-ion batteries.
C1 [Ganesh, P.; Kent, P. R. C.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Jiang, De-en] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Ganesh, P (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
EM gpanchap@gmail.com
RI Jiang, De-en/D-9529-2011; Kent, Paul/A-6756-2008; Ganesh,
Panchapakesan/E-3435-2012; Ganesh, Panchapakesan/L-5571-2013
OI Jiang, De-en/0000-0001-5167-0731; Kent, Paul/0000-0001-5539-4017;
Ganesh, Panchapakesan/0000-0002-7170-2902;
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [ERKCC61]; Office of Science of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX This material is based upon work supported as part of the Fluid
Interface Reactions, Structures and Transport (FIRST) Center, an Energy
Frontier Research Center funded by the U.S. Department of Energy, Office
of Science, Office of Basic Energy Sciences under Award Number ERKCC61.
This research also used 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
NR 36
TC 47
Z9 47
U1 4
U2 70
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 MAR 31
PY 2011
VL 115
IS 12
BP 3085
EP 3090
DI 10.1021/jp2003529
PG 6
WC Chemistry, Physical
SC Chemistry
GA 738MU
UT WOS:000288644700046
PM 21384941
ER
PT J
AU Svedruzic, D
Blackburn, JL
Tenent, RC
Rocha, JDR
Vinzant, TB
Heben, MJ
King, PW
AF Svedruzic, Drazenka
Blackburn, Jeffrey L.
Tenent, Robert C.
Rocha, John-David R.
Vinzant, Todd B.
Heben, Michael J.
King, Paul W.
TI High-Performance Hydrogen Production and Oxidation Electrodes with
Hydrogenase Supported on Metallic Single-Wall Carbon Nanotube Networks
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID FEFE HYDROGENASE; H-2 PRODUCTION; SURFACE-AREA; FUEL-CELLS; ENZYMES;
REDOX; ELECTROCHEMISTRY; CHALLENGES; EVOLUTION; MODELS
AB We studied the electrocatalytic activity of an [FeFe]-hydrogenase from Clostridium acetobutylicum (CaH2ase) immobilized on single-wall carbon nanotube (SWNT) networks. SWNT networks were prepared on carbon cloth by ultrasonic spraying of suspensions with predetermined ratios of metallic and semiconducting nanotubes. Current densities for both proton reduction and hydrogen oxidation electrocatalytic activities were at least 1 order of magnitude higher when hydrogenase was immobilized onto SWNT networks with high metallic tube (m-SWNT) content in comparison to hydrogenase supported on networks with low metallic tube content or when SWNTs were absent. We conclude that the increase in electrocatalytic activities in the presence of SWNTs was mainly due to the m-SWNT fraction and can be attributed to (i) substantial increases in the active electrode surface area, and (ii) improved electronic coupling between CaH2ase redox-active sites and the electrode surface.
C1 [Svedruzic, Drazenka; Vinzant, Todd B.; King, Paul W.] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA.
[Blackburn, Jeffrey L.; Tenent, Robert C.; Rocha, John-David R.] Natl Renewable Energy Lab, Chem & Mat Sci Ctr, Golden, CO 80401 USA.
[Heben, Michael J.] Univ Toledo, Dept Phys & Astron, Toledo, OH 43607 USA.
RP King, PW (reprint author), Natl Renewable Energy Lab, Biosci Ctr, 1617 Cole Blvd, Golden, CO 80401 USA.
EM Pau.King@nrel.gov
RI Blackburn, Jeffrey/D-7344-2012; Rocha, John-David/A-3186-2013; King,
Paul/D-9979-2011
OI Rocha, John-David/0000-0001-6394-4349; King, Paul/0000-0001-5039-654X
FU Laboratory Directed Research and Development program at the National
Renewable Energy Laboratory
FX This work was supported through the Laboratory Directed Research and
Development program at the National Renewable Energy Laboratory.
NR 42
TC 29
Z9 29
U1 2
U2 48
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD MAR 30
PY 2011
VL 133
IS 12
BP 4299
EP 4306
DI 10.1021/ja104785e
PG 8
WC Chemistry, Multidisciplinary
SC Chemistry
GA 778OZ
UT WOS:000291715300036
PM 21384925
ER
PT J
AU Allian, AD
Takanabe, K
Fujdala, KL
Hao, X
Truex, TJ
Cai, J
Buda, C
Neurock, M
Iglesia, E
AF Allian, Ayman D.
Takanabe, Kazuhiro
Fujdala, Kyle L.
Hao, Xianghon
Truex, Timothy J.
Cai, Juan
Buda, Corneliu
Neurock, Matthew
Iglesia, Enrique
TI Chemisorption of CO and Mechanism of CO Oxidation on Supported Platinum
Nanoclusters
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID CARBON-MONOXIDE OXIDATION; DENSITY-FUNCTIONAL THEORY; TOTAL-ENERGY
CALCULATIONS; SURFACE ELEMENTARY STEPS; ELASTIC BAND METHOD; PT-GROUP
METALS; WAVE BASIS-SET; CATALYTIC-OXIDATION; STRUCTURAL REQUIREMENTS;
PT/AL2O3 CATALYST
AB Kinetic, isotopic, and infrared studies on well-defined dispersed Pt clusters are combined here with first-principle theoretical methods on model cluster surfaces to probe the mechanism and structural requirements for CO oxidation catalysis at conditions typical of its industrial practice. CO oxidation turnover rates and the dynamics and thermodynamics of adsorption-desorption processes on cluster surfaces saturated with chemisorbed CO were measured on 1-20 nm Pt clusters under conditions of strict kinetic control. Turnover rates are proportional to O(2) pressure and inversely proportional to CO pressure, consistent with kinetically relevant irreversible O(2) activation steps on vacant sites present within saturated CO monolayers. These conclusions are consistent with the lack of isotopic scrambling in C(16)O-(18)O(2)-(16)O(2) reactions, and with infrared bands for chemisorbed CO that did not change within a CO pressure range that strongly influenced CO oxidation turnover rates. Density functional theory estimates of rate and equilibrium constants show that the kinetically relevant O(2) activation steps involve direct O(2)* (or O(2)) reactions with CO* to form reactive O*-O-C*=O intermediates that decompose to form CO(2) and chemisorbed O*, instead of unassisted activation steps involving molecular adsorption and subsequent dissociation of O(2). These CO-assisted O(2) dissociation pathways avoid the higher barriers imposed by the spin-forbidden transitions required for unassisted O(2) dissociation on surfaces saturated with chemisorbed CO. Measured rate parameters for CO oxidation were independent of Pt cluster size; these parameters depend on the ratio of rate constants for 02 reactions with CO* and CO adsorption equilibrium constants, which reflect the respective activation barriers and reaction enthalpies for these two steps. Infrared spectra during isotopic displacement and thermal desorption with (12)CO-(13)CO mixtures showed that the binding, dynamics, and thermodynamics of CO chemisorbed at saturation coverages do not depend on Pt cluster size in a range that strongly affects the coordination of Pt atoms exposed at cluster surfaces. These data and their theoretical and mechanistic interpretations indicate that the remarkable structure insensitivity observed for CO oxidation reactions reflects average CO binding properties that are essentially independent of cluster size. Theoretical estimates of rate and equilibrium constants for surface reactions and CO adsorption show that both parameters increase as the coordination of exposed Pt atoms decreases in Pt(201) cluster surfaces; such compensation dampens but does not eliminate coordination and cluster size effects on measured rate constants. The structural features and intrinsic non-uniformity of cluster surfaces weaken when CO forms saturated monolayers on such surfaces, apparently because surfaces and adsorbates restructure to balance CO surface binding and CO-CO interaction energies.
C1 [Allian, Ayman D.; Takanabe, Kazuhiro; Iglesia, Enrique] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
[Fujdala, Kyle L.; Hao, Xianghon; Truex, Timothy J.; Cai, Juan] Nanostellar Inc, Redwood City, CA 94063 USA.
[Buda, Corneliu; Neurock, Matthew] Univ Virginia, Dept Chem Engn, Charlottesville, VA 22904 USA.
[Buda, Corneliu; Neurock, Matthew] Univ Virginia, Dept Chem, Charlottesville, VA 22904 USA.
[Iglesia, Enrique] EO Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Fujdala, KL (reprint author), Precursor Energet, 3221 Scott Blvd, Santa Clara, CA 95054 USA.
EM kfujdala@precursorenergetics.com; mn4n@virginia.edu;
iglesia@berkeley.edu
RI Takanabe, Kazuhiro/D-6119-2011; Iglesia, Enrique/D-9551-2017
OI Takanabe, Kazuhiro/0000-0001-5374-9451; Iglesia,
Enrique/0000-0003-4109-1001
FU Nanostellar; Office of Basic Energy Sciences, Chemical Sciences Division
of the U.S. Department of Energy [DE-AC02-05CH11231]; Department of
Energy's office of Biological and Environmental Research
FX We thank Prof. Johannes Lercher (Technical University of Munich) for
help with the design the infrared cell used in the study. This work was
supported by Nanostellar and the Director Office of Basic Energy
Sciences, Chemical Sciences Division of the U.S. Department of Energy
under Contract DE-AC02-05CH11231. We thank Dr. Mats I. Larsson
(Nanostellar, Inc.) for assistance with the dispersion calculations. We
also kindly acknowledge the computational time at the Environmental
Molecular Science Laboratory, a national scientific user facilities
sponsored by the Department of Energy's office of Biological and
Environmental Research and located at Pacific Northwest National
Laboratory, which was used to conduct the computational work. Finally,
this article is dedicated to the memory of D. Timothy J. Truex.
NR 74
TC 119
Z9 121
U1 16
U2 234
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD MAR 30
PY 2011
VL 133
IS 12
BP 4498
EP 4517
DI 10.1021/ja110073u
PG 20
WC Chemistry, Multidisciplinary
SC Chemistry
GA 778OZ
UT WOS:000291715300057
PM 21366255
ER
PT J
AU Groenewold, GS
Appelhans, AD
McIlwain, ME
Gresham, GL
AF Groenewold, G. S.
Appelhans, A. D.
McIlwain, M. E.
Gresham, G. L.
TI Characterization of coordination complexes by desorption electrospray
mass spectrometry with a capillary target
SO INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
LA English
DT Article
DE DEDI; Metal speciation; Coordination complexes; Capillary target
ID LASER-INDUCED FLUORESCENCE; QUADRUPOLE ION-TRAP; GAS-PHASE; IONIZATION
DESI; CROWN-ETHERS; VIBRATIONAL SPECTROSCOPY; GEOMETRY OPTIMIZATION;
IRMPD SPECTROSCOPY; AMBIENT CONDITIONS; METAL-COMPLEXES
AB Metal coordination complexes were formed directly from liquid surfaces using desorption electrospray ionization (DESI) mass spectrometry, in which the analyte solutions were furnished by a target capillary that protrudes into the ESI spray. The approach is attractive because it separates complexities of ESI spray droplet formation from delivery of the analyte solution, and thereby gets around difficulty resulting from alteration of the spray process by changes in solution chemistry. Cs(+), Ba(2+), and La(3+) coordination complexes were formed using 18-crown-6 (18c6) and triethylphosphate (TEP) as ligands (L), that had the general formula [M(n+)(NO(3)(-))(n-1)(L)(m)](+). Formation of singly charged cation complexes was preferred, with charge reduction at the metal site accomplished by attachment of nitrate. Using TEP as a model phosphoryl ligand, alkali metals coordinate with up to three ligands, with Cs(+) preferring fewer than Na(+)center dot Ba(2+) and La(3+) are formed as ion pair complexes [Ba(NO(3))](+) and [La(NO(3))(2)](+), and both will coordinate with up to four TEP ligands. Using 18c6, Cs(+) forms a bis-ligand complex. In contrast, [Ba(NO(3))](+) prefers a single 18c6 ligand, while La forms mainly [La(NO(3))(2)(18c6)](+), for which DFT calculations suggested a structure in which the nitrate ligands occupy pseudo-axial positions on opposing sides of the crown. Lower abundances of bis-18c6 complexes were also formed together with doubly charged [La(NO(3))(18c6)(n)](2+) complexes (n = 2-4). The results suggest an alternative strategy for probing metal speciation in solution that is less perturbed by the droplet formation and ionization mechanisms operating in conventional electrospray ionization mass spectrometry. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Groenewold, G. S.; Appelhans, A. D.; McIlwain, M. E.; Gresham, G. L.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Groenewold, GS (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
EM gary.groenewold@inl.gov
FU U.S. Department of Energy, Assistant Secretary for Environmental
Management; INL Laboratory under DOE Idaho Operations Office
[DE-AC07-05ID14517]
FX Work by G.S. Groenewold was supported by the U.S. Department of Energy,
Assistant Secretary for Environmental Management, and the INL Laboratory
Directed Research & Development Program under DOE Idaho Operations
Office Contract DE-AC07-05ID14517.
NR 56
TC 5
Z9 5
U1 3
U2 18
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1387-3806
J9 INT J MASS SPECTROM
JI Int. J. Mass Spectrom.
PD MAR 30
PY 2011
VL 301
IS 1-3
SI SI
BP 136
EP 142
DI 10.1016/j.ijms.2010.07.028
PG 7
WC Physics, Atomic, Molecular & Chemical; Spectroscopy
SC Physics; Spectroscopy
GA 758TQ
UT WOS:000290190000016
ER
PT J
AU Cruz-Garcia, C
Murray, AE
Rodrigues, JLM
Gralnick, JA
McCue, LA
Romine, MF
Loffler, FE
Tiedje, JM
AF Cruz-Garcia, Claribel
Murray, Alison E.
Rodrigues, Jorge L. M.
Gralnick, Jeffrey A.
McCue, Lee Ann
Romine, Margaret F.
Loeffler, Frank E.
Tiedje, James M.
TI Fnr (EtrA) acts as a fine-tuning regulator of anaerobic metabolism in
Shewanella oneidensis MR-1
SO BMC MICROBIOLOGY
LA English
DT Article
ID ESCHERICHIA-COLI K-12; HYBRID-CLUSTER PROTEIN; GRAM-NEGATIVE BACTERIA;
PSEUDOMONAS-STUTZERI WM88; PUTREFACIENS MR-1; TRANSCRIPTION FACTOR;
ELECTRON-TRANSPORT; PRISMANE PROTEIN; RECEPTOR PROTEIN; STRUCTURAL BASIS
AB Background: EtrA in Shewanella oneidensis MR-1, a model organism for study of adaptation to varied redox niches, shares 73.6% and 50.8% amino acid sequence identity with the oxygen-sensing regulators Fnr in E. coli and Anr in Pseudomonas aeruginosa, respectively; however, its regulatory role of anaerobic metabolism in Shewanella spp. is complex and not well understood.
Results: The expression of the nap genes, nrfA, cymA and hcp was significantly reduced in etrA deletion mutant EtrA7-1; however, limited anaerobic growth and nitrate reduction occurred, suggesting that multiple regulators control nitrate reduction in this strain. Dimethyl sulfoxide (DMSO) and fumarate reductase gene expression was down-regulated at least 2-fold in the mutant, which, showed lower or no reduction of these electron acceptors when compared to the wild type, suggesting both respiratory pathways are under EtrA control. Transcript analysis further suggested a role of EtrA in prophage activation and down-regulation of genes implicated in aerobic metabolism.
Conclusion: In contrast to previous studies that attributed a minor regulatory role to EtrA in Shewanella spp., this study demonstrates that EtrA acts as a global transcriptional regulator and, in conjunction with other regulators, fine-tunes the expression of genes involved in anaerobic metabolism in S. oneidensis strain MR-1. Transcriptomic and sequence analyses of the genes differentially expressed showed that those mostly affected by the mutation belonged to the "Energy metabolism" category, while stress-related genes were indirectly regulated in the mutant possibly as a result of a secondary perturbation (e. g. oxidative stress, starvation). We also conclude based on sequence, physiological and expression analyses that this regulator is more appropriately termed Fnr and recommend this descriptor be used in future publications.
C1 [Cruz-Garcia, Claribel; Murray, Alison E.; Tiedje, James M.] Michigan State Univ, Ctr Microbial Ecol, E Lansing, MI 48824 USA.
[Tiedje, James M.] Michigan State Univ, Dept Microbiol & Mol Genet, E Lansing, MI 48824 USA.
[Cruz-Garcia, Claribel; Tiedje, James M.] Michigan State Univ, Dept Crop & Soil Sci, E Lansing, MI 48824 USA.
[Rodrigues, Jorge L. M.] Univ Texas Arlington, Dept Biol, Arlington, TX 76019 USA.
[Gralnick, Jeffrey A.] Univ Minnesota, Dept Microbiol, St Paul, MN 55108 USA.
[McCue, Lee Ann; Romine, Margaret F.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Loeffler, Frank E.] Univ Tennessee, Dept Microbiol, Knoxville, MN USA.
[Loeffler, Frank E.] Univ Tennessee, Dept Civil & Environm Engn, Knoxville, MN USA.
[Loeffler, Frank E.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Cruz-Garcia, Claribel] Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA.
[Murray, Alison E.] Desert Res Inst, Div Earth & Ecosyst Sci, Reno, NV 89512 USA.
RP Tiedje, JM (reprint author), Michigan State Univ, Ctr Microbial Ecol, E Lansing, MI 48824 USA.
EM tiedjej@msu.edu
RI Loeffler, Frank/M-8216-2013;
OI Gralnick, Jeffrey/0000-0001-9250-7770; Romine,
Margaret/0000-0002-0968-7641; McCue, Lee Ann/0000-0003-4456-517X
FU Department of Energy [DE-FG02-02ER63342]; Office of Biological and
Environmental Research; Environmental Remediation Science Division,
Biological and Environmental Research [DE-FG02-04ER63718.25]; Office of
Biological and Environmental Research [E-FG02-04ER63942]; United States
Department of Energy [DE-AC05-76RL01830]
FX We thank Xiaoyun Qiu for advice on the DNA microarray work, Valley
Stewart and Joel Klappenbach for advice and discussion. We thank
Benjamin K. Amos, Jed Costanza, Qingzhong Wu and Sara H. Thomas for
technical assistance in the phenotypic characterization of the EtrA/-1
strain. We also acknowledge members of the Shewanella Federation for
helpful discussions. This study was supported by Department of Energy
grants DE-FG02-02ER63342 from the Genomics Program, Office of Biological
and Environmental Research (awarded to JMT), DE-FG02-04ER63718.25 from
the Environmental Remediation Science Division, Biological and
Environmental Research (awarded to FEL) and DE-FG02-04ER63942 from the
Genomes to Life Program, Office of Biological and Environmental Research
(awarded to LAM). Contributions by MFR and LAM were performed at Pacific
Northwest National Laboratory, which is operated by Battelle for the
United States Department of Energy under Contract DE-AC05-76RL01830.
NR 64
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PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1471-2180
J9 BMC MICROBIOL
JI BMC Microbiol.
PD MAR 30
PY 2011
VL 11
AR 64
DI 10.1186/1471-2180-11-64
PG 14
WC Microbiology
SC Microbiology
GA 750NQ
UT WOS:000289555600001
PM 21450087
ER
PT J
AU Starodub, E
Bostwick, A
Moreschini, L
Nie, S
El Gabaly, F
McCarty, KF
Rotenberg, E
AF Starodub, Elena
Bostwick, Aaron
Moreschini, Luca
Nie, Shu
El Gabaly, Farid
McCarty, Kevin F.
Rotenberg, Eli
TI In-plane orientation effects on the electronic structure, stability, and
Raman scattering of monolayer graphene on Ir(111)
SO PHYSICAL REVIEW B
LA English
DT Article
ID EPITAXIAL GRAPHENE; WORK-FUNCTION; CRYSTAL-SURFACES; METAL-SURFACES;
SPECTROSCOPY; GRAPHITE; RU(0001); CARBON; LEED; TRANSITION
AB We employ angle-resolved photoemission spectroscopy (ARPES) to investigate the electronic structures of two rotational variants of epitaxial, single-layer graphene on Ir(111). As grown, the more-abundant R0 variant is nearly charge neutral, with strong hybridization between graphene and Ir bands near the Fermi level. The graphene Fermi surface and its replicas exactly coincide with Van Hove singularities in the Ir Fermi surface. Sublattice symmetry breaking introduces a small gap-inducing potential at the Dirac crossing, which is revealed by n doping the graphene using K atoms. The energy gaps between main and replica bands (originating from the moire interference pattern between graphene and Ir lattices) is shown to be nonuniform along the minizone boundary owing to hybridization with Ir bands. An electronically mediated interaction is proposed to account for the stability of the R0 variant. The variant rotated 30 degrees in plane, R30, is p doped as grown, and K doping reveals no band gap at the Dirac crossing. No replica bands are found in ARPES measurements. Raman spectra from the R30 variant exhibit the characteristic phonon modes of graphene, while R0 spectra are featureless. These results show that the film and substrate interaction changes from chemisorption (R0) to physisorption (R30) with in-plane orientation. Finally, graphene-covered Ir has a work function lower than the clean substrate but higher than graphite.
C1 [Starodub, Elena; Nie, Shu; El Gabaly, Farid; McCarty, Kevin F.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Bostwick, Aaron; Moreschini, Luca; Rotenberg, Eli] EO Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Starodub, E (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
RI McCarty, Kevin/F-9368-2012; Bostwick, Aaron/E-8549-2010; Rotenberg,
Eli/B-3700-2009
OI McCarty, Kevin/0000-0002-8601-079X; Rotenberg, Eli/0000-0002-3979-8844
FU Office of Basic Energy Sciences, Division of Materials Sciences and
Engineering of the US DOE [DE-AC04-94AL85000]; Office of Science, Office
of Basic Energy Sciences, of the US Department of Energy
[DE-AC02-05CH11231]; Swiss National Science Foundation [PBELP2-125484]
FX The authors thank Joshua Whaley for programming the stage of the Raman
system. Work at Sandia was supported by the Office of Basic Energy
Sciences, Division of Materials Sciences and Engineering of the US DOE
under Contract No. DE-AC04-94AL85000. The Advanced Light Source is
supported by the Director, Office of Science, Office of Basic Energy
Sciences, of the US Department of Energy under Contract No.
DE-AC02-05CH11231. L.M. acknowledges support by the Swiss National
Science Foundation through project PBELP2-125484.
NR 57
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 30
PY 2011
VL 83
IS 12
AR 125428
DI 10.1103/PhysRevB.83.125428
PG 9
WC Physics, Condensed Matter
SC Physics
GA 742LS
UT WOS:000288945900005
ER
PT J
AU Choi, SG
Yi, HT
Cheong, SW
Hilfiker, JN
France, R
Norman, AG
AF Choi, S. G.
Yi, H. T.
Cheong, S. -W.
Hilfiker, J. N.
France, R.
Norman, A. G.
TI Optical anisotropy and charge-transfer transition energies in BiFeO3
from 1.0 to 5.5 eV
SO PHYSICAL REVIEW B
LA English
DT Article
ID SPECTROSCOPIC ELLIPSOMETRY
AB We discuss uniaxial optical anisotropy in single-crystal BiFeO3 determined by spectroscopic ellipsometry from 1.0 to 5.5 eV. The dielectric function epsilon = epsilon(1) + i epsilon(2) and refractive index N = n + ik spectra of BiFeO3 are extracted for the tensor components along its ordinary and extraordinary principal axes. Using the standard line-shape analysis, we also obtain the energies of the major optical structures associated with the charge-transfer transitions in BiFeO3.
C1 [Choi, S. G.; France, R.; Norman, A. G.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Yi, H. T.; Cheong, S. -W.] Rutgers State Univ, Rutgers Ctr Emergent Mat, Piscataway, NJ 08854 USA.
[Yi, H. T.; Cheong, S. -W.] Rutgers State Univ, Dept Elect & Comp Engn, Piscataway, NJ 08854 USA.
[Hilfiker, J. N.] JA Woollam Co Inc, Lincoln, NE 68508 USA.
RP Choi, SG (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM sukgeun.choi@nrel.gov
RI Norman, Andrew/F-1859-2010; Yi, Hee Taek/F-6399-2010; Choi,
Sukgeun/J-2345-2014
OI Norman, Andrew/0000-0001-6368-521X;
FU U.S. Department of Energy (DOE) [DE-AC36-08GO28308, DE-FG02-07ER46382]
FX This work was supported by the U.S. Department of Energy (DOE) under
Contract No. DE-AC36-08GO28308. The work at Rutgers University was
supported by the U.S. DOE under Grant No. DE-FG02-07ER46382.
NR 21
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 30
PY 2011
VL 83
IS 10
AR 100101
DI 10.1103/PhysRevB.83.100101
PG 4
WC Physics, Condensed Matter
SC Physics
GA 742LO
UT WOS:000288945400001
ER
PT J
AU Fishman, RS
Miller, JS
AF Fishman, Randy S.
Miller, Joel S.
TI Determination of the magnetic ground state of a polycrystalline compound
based on susceptibility measurements
SO PHYSICAL REVIEW B
LA English
DT Article
ID MOLECULE-BASED MAGNETS; BUILDING-BLOCKS; MONOCATION; 3-D
AB The diruthenium compound [Ru(2)(O(2)CMe)(4)](3)[Cr(CN)(6)] contains two interpenetrating sublattices that behave like giant antiferromagnetically coupled moments with strong anisotropy. Preferred orientations of the total moment of each sublattice are determined from susceptibility measurements on a polycrystalline sample. In agreement with previous predictions, fits to the experimental magnetization indicate that the sublattice moments are aligned along cubic diagonals rather than cubic axis or edge diagonals. The parametrization of the sublattice susceptibility implies that the sublattice spin states are more deformed when aligned antiparallel.
C1 [Fishman, Randy S.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
[Miller, Joel S.] Univ Utah, Dept Chem, Salt Lake City, UT 84112 USA.
RP Fishman, RS (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
RI Fishman, Randy/C-8639-2013
FU Division of Materials Science and Engineering of the US Department of
Energy; US National Science Foundation [0553573]
FX The original magnetization data were collected by William W. Shum and
presented in Refs. 7 and 12. Useful conversations with Fernando Reboredo
and Peter Stephens are also gratefully acknowledged. This research was
sponsored by the Division of Materials Science and Engineering of the US
Department of Energy (R.S.F.) and by the US National Science Foundation
(Grant No. 0553573) (J.S.M.).
NR 12
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 30
PY 2011
VL 83
IS 9
AR 094433
DI 10.1103/PhysRevB.83.094433
PG 5
WC Physics, Condensed Matter
SC Physics
GA 742LJ
UT WOS:000288944800005
ER
PT J
AU Mun, ED
Altarawneh, MM
Mielke, CH
Zapf, VS
Hu, R
Bud'ko, SL
Canfield, PC
AF Mun, E. D.
Altarawneh, M. M.
Mielke, C. H.
Zapf, V. S.
Hu, R.
Bud'ko, S. L.
Canfield, P. C.
TI Anisotropic Hc2 of K0.8Fe(1.76)Se(2) determined up to 60 T
SO PHYSICAL REVIEW B
LA English
DT Article
ID HIGH-FIELD SUPERCONDUCTORS; TEMPERATURE
AB The anisotropic upper critical field, H-c2(T), curves for K0.8Fe1.76Se2 are determined over a wide range of temperatures down to 1.5 K and magnetic fields up to 60 T. Anisotropic initial slopes of H-c2 similar to -1.4 T/K and -4.6 T/K for magnetic field applied along c axis and ab plane, respectively, were observed. Whereas the c axis H-c2(c) (T) increases quasilinearly with decreasing temperature, the ab plane H-c2(ab) (T) shows a flattening, starting near 25 K above 30 T. This leads to a nonmonotonic temperature dependence of the anisotropy parameter gamma(H) H-c2(ab)/H-c2(c). The anisotropy parameter is similar to 2 near T-c similar to 32 K and rises to a maximum gamma(H) similar to 3.6 around 27 K. For lower temperatures, gamma(H) decreases with T in a linear fashion, dropping to gamma(H) similar to 2.5 by T similar to 18 K. Despite the apparent differences between the K0.8Fe1.76Se2 and (Ba0.55K0.45)Fe2As2 or Ba(Fe0.926Co0.074)(2)As-2, in terms of the magnetic state and proximity to an insulating state, the H-c2(T) curves are remarkably similar.
C1 [Mun, E. D.; Altarawneh, M. M.; Mielke, C. H.; Zapf, V. S.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
[Hu, R.; Bud'ko, S. L.; Canfield, P. C.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA.
[Hu, R.; Bud'ko, S. L.; Canfield, P. C.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Mun, ED (reprint author), Los Alamos Natl Lab, Natl High Magnet Field Lab, POB 1663, Los Alamos, NM 87545 USA.
RI Hu, Rongwei/E-7128-2012; Zapf, Vivien/K-5645-2013; Canfield,
Paul/H-2698-2014
OI Zapf, Vivien/0000-0002-8375-4515;
FU NSF; DOE; State of Florida; AFOSR MURI [FA9550-09-1-0603]; State of Iowa
through the Iowa State University; U.S. Department of Energy, Office of
Basic Energy Science, Division of Materials Sciences and Engineering;
Iowa State University [E-AC02-07CH11358]
FX We thank V.G. Kogan for edifying and uplifting discussions. Work at the
NHMFL-PFF is supported by the NSF, the DOE, and the State of Florida.
R.H. and P.C.C. are supported by AFOSR MURI Grant No. FA9550-09-1-0603.
S. L. B. was supported in part by the State of Iowa through the Iowa
State University and the U.S. Department of Energy, Office of Basic
Energy Science, Division of Materials Sciences and Engineering.
Synthesis and low field characterization were performed in Ames
Laboratory which is operated for the U.S. Department of Energy by Iowa
State University under Contract No. DE-AC02-07CH11358.
NR 33
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 30
PY 2011
VL 83
IS 10
AR 100514
DI 10.1103/PhysRevB.83.100514
PG 4
WC Physics, Condensed Matter
SC Physics
GA 742LO
UT WOS:000288945400002
ER
PT J
AU Munbodh, K
Perez, FA
Keenan, C
Lederman, D
Zhernenkov, M
Fitzsimmons, MR
AF Munbodh, K.
Perez, F. A.
Keenan, C.
Lederman, D.
Zhernenkov, M.
Fitzsimmons, M. R.
TI Effects of hydrogen/deuterium absorption on the magnetic properties of
Co/Pd multilayers
SO PHYSICAL REVIEW B
LA English
DT Article
ID X-RAY REFLECTIVITY; PD/FE MULTILAYERS; HYDROGEN ABSORPTION; 001
SUPERLATTICES; PD-CO; PALLADIUM; FILMS; ANISOTROPY; ALLOYS; RESISTIVITY
AB The effects of hydrogen (H(2)) and deuterium (D(2)) absorption were studied in two Co/Pd multilayers with perpendicular magnetic anisotropy (PMA) using polarized neutron reflectivity (PNR). PNR was measured in an external magnetic field H applied in the plane of the sample with the magnetization M confined in the plane for mu(o)H = 6.0 T and partially out of plane at 0.65 T. Nominal thicknesses of the Co and Pd layers were 2.5 and 21 angstrom, respectively. Because of these small values, the actual layer chemical composition, thickness, and interface roughness parameters were determined from the nuclear scattering length density profile (rho(n)) and its derivative obtained from both x-ray reflectivity and PNR, and uncertainties were determined using Monte Carlo analysis. The PNR rho(n) showed that although D2 absorption occurred throughout the samples, absorption in the multilayer stack was modest (0.02 D per Pd atom) and thus did not expand. Direct magnetometry showed that H(2) absorption decreased the total M at saturation and increased the component of M in the plane of the sample when not at saturation. The PNR magnetic scattering length density (rho(m)) revealed that the Pd layers in the multilayer stack were magnetized and that their magnetization was preferentially modified upon D(2) absorption. In one sample, a modulation of M with twice the multilayer period was observed at mu(o)H = 0.65 T, which increased upon D(2) absorption. These results indicate that H(2) or D(2) absorption decreases both the PMA and total magnetization of the samples. The lack of measurable expansion during absorption indicates that these changes are primarily governed by modification of the electronic structure of the material.
C1 [Munbodh, K.; Perez, F. A.; Keenan, C.; Lederman, D.] W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA.
[Zhernenkov, M.; Fitzsimmons, M. R.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Munbodh, K (reprint author), W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA.
EM kmunbodh@mix.wvu.edu
RI Lujan Center, LANL/G-4896-2012;
OI Zhernenkov, Mikhail/0000-0003-3604-0672
FU DOE [DE-PS02-07ER087-15, DE-AC52-06NA25396]; WVNano Initiative at WVU;
US Department of Energy Office of Basic Energy Sciences
FX This work was supported by DOE Grant No. DE-PS02-07ER087-15 and the
WVNano Initiative at WVU. The Los Alamos Neutron Science Center facility
at the Los Alamos National Laboratory is funded by the US Department of
Energy Office of Basic Energy Sciences. Los Alamos National Laboratory
is operated by Los Alamos National Security LLC under DOE Contract No.
DE-AC52-06NA25396. The authors thank Matts Bjorck for his valuable
suggestions in using his program, GENX, for fitting the neutron data.
NR 42
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 30
PY 2011
VL 83
IS 9
AR 094432
DI 10.1103/PhysRevB.83.094432
PG 10
WC Physics, Condensed Matter
SC Physics
GA 742LJ
UT WOS:000288944800004
ER
PT J
AU Ahmed, Z
Akerib, DS
Arrenberg, S
Bailey, CN
Balakishiyeva, D
Baudis, L
Bauer, DA
Brink, PL
Bruch, T
Bunker, R
Cabrera, B
Caldwell, DO
Cooley, J
Silva, EDE
Cushman, P
Daal, M
DeJongh, F
Di Stefano, P
Dragowsky, MR
Duong, L
Fallows, S
Figueroa-Feliciano, E
Filippini, J
Fox, J
Fritts, M
Golwala, SR
Hall, J
Hennings-Yeomans, R
Hertel, SA
Holmgren, D
Hsu, L
Huber, ME
Kamaev, O
Kiveni, M
Kos, M
Leman, SW
Liu, S
Mahapatra, R
Mandic, V
McCarthy, KA
Mirabolfathi, N
Moore, D
Nelson, H
Ogburn, RW
Phipps, A
Pyle, M
Qiu, X
Ramberg, E
Rau, W
Reisetter, A
Resch, R
Saab, T
Sadoulet, B
Sander, J
Schnee, RW
Seitz, DN
Serfass, B
Sundqvist, KM
Tarka, M
Wikus, P
Yellin, S
Yoo, J
Young, BA
Zhang, J
AF Ahmed, Z.
Akerib, D. S.
Arrenberg, S.
Bailey, C. N.
Balakishiyeva, D.
Baudis, L.
Bauer, D. A.
Brink, P. L.
Bruch, T.
Bunker, R.
Cabrera, B.
Caldwell, D. O.
Cooley, J.
do Couto e Silva, E.
Cushman, P.
Daal, M.
DeJongh, F.
Di Stefano, P.
Dragowsky, M. R.
Duong, L.
Fallows, S.
Figueroa-Feliciano, E.
Filippini, J.
Fox, J.
Fritts, M.
Golwala, S. R.
Hall, J.
Hennings-Yeomans, R.
Hertel, S. A.
Holmgren, D.
Hsu, L.
Huber, M. E.
Kamaev, O.
Kiveni, M.
Kos, M.
Leman, S. W.
Liu, S.
Mahapatra, R.
Mandic, V.
McCarthy, K. A.
Mirabolfathi, N.
Moore, D.
Nelson, H.
Ogburn, R. W.
Phipps, A.
Pyle, M.
Qiu, X.
Ramberg, E.
Rau, W.
Reisetter, A.
Resch, R.
Saab, T.
Sadoulet, B.
Sander, J.
Schnee, R. W.
Seitz, D. N.
Serfass, B.
Sundqvist, K. M.
Tarka, M.
Wikus, P.
Yellin, S.
Yoo, J.
Young, B. A.
Zhang, J.
CA CDMS Collaboration
TI Results from a Low-Energy Analysis of the CDMS II Germanium Data
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID INTERACTING MASSIVE PARTICLES; SUPERSYMMETRIC DARK-MATTER; CONSTRAINTS;
CANDIDATES; DAMA/LIBRA
AB We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from weakly interacting massive particles (WIMPs) with masses below similar to 10 GeV/c(2). This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c(2) and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments.
C1 [Ahmed, Z.; Filippini, J.; Golwala, S. R.; Moore, D.] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA.
[Akerib, D. S.; Bailey, C. N.; Dragowsky, M. R.; Hennings-Yeomans, R.] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA.
[Bauer, D. A.; DeJongh, F.; Hall, J.; Holmgren, D.; Hsu, L.; Ramberg, E.; Yoo, J.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Sadoulet, B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Figueroa-Feliciano, E.; Hertel, S. A.; Leman, S. W.; McCarthy, K. A.; Wikus, P.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[Di Stefano, P.; Fox, J.; Liu, S.; Rau, W.] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada.
[Brink, P. L.; do Couto e Silva, E.; Resch, R.] SLAC Natl Accelerator Lab KIPAC, Menlo Pk, CA 94025 USA.
[Reisetter, A.] St Olaf Coll, Dept Phys, Northfield, MN 55057 USA.
[Young, B. A.] Santa Clara Univ, Dept Phys, Santa Clara, CA 95053 USA.
[Cooley, J.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.
[Cabrera, B.; Ogburn, R. W.; Pyle, M.; Yellin, S.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Kiveni, M.; Kos, M.; Schnee, R. W.] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA.
[Mahapatra, R.] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA.
[Daal, M.; Mirabolfathi, N.; Phipps, A.; Sadoulet, B.; Seitz, D. N.; Serfass, B.; Sundqvist, K. M.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Bunker, R.; Caldwell, D. O.; Nelson, H.; Sander, J.; Yellin, S.] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
[Huber, M. E.] Univ Colorado, Dept Phys, Denver, CO 80217 USA.
[Huber, M. E.] Univ Colorado, Dept Elect Engn, Denver, CO 80217 USA.
[Balakishiyeva, D.; Saab, T.] Univ Florida, Dept Phys, Gainesville, FL 32611 USA.
[Cushman, P.; Duong, L.; Fallows, S.; Fritts, M.; Kamaev, O.; Mandic, V.; Qiu, X.; Reisetter, A.; Zhang, J.] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA.
[Arrenberg, S.; Baudis, L.; Bruch, T.; Tarka, M.] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland.
RP Moore, D (reprint author), CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA.
EM davidm@caltech.edu
RI Bailey, Catherine/C-6107-2009; Huber, Martin/B-3354-2011; Yoo,
Jonghee/K-8394-2016; Pyle, Matt/E-7348-2015; Qiu, Xinjie/C-6164-2012;
Hall, Jeter/F-6108-2013; Liu, Sheng/K-2815-2013; Hall, Jeter/E-9294-2015
OI Pyle, Matt/0000-0002-3490-6754; Holmgren, Donald/0000-0001-6701-7737;
Baudis, Laura/0000-0003-4710-1768;
FU National Science Foundation [AST-9978911, PHY-0542066, PHY-0503729,
PHY-0503629, PHY-0503641, PHY-0504224, PHY-0705052, PHY-0801708,
PHY-0801712, PHY-0802575, PHY-0847342, PHY-0855525]; Department of
Energy [DE-AC03-76SF00098, DE-FG02-91ER40688, DE-FG02-92ER40701,
DE-FG03-90ER40569, DE-FG03-91ER40618]; Swiss National Foundation (SNF)
[20-118119]; NSERC Canada [SAPIN 341314-07]
FX The CDMS collaboration gratefully acknowledges the contributions of
numerous engineers and technicians; we would like to especially thank
Jim Beaty, Bruce Hines, Larry Novak, Richard Schmitt, and Astrid Tomada.
In addition, we gratefully acknowledge assistance from the staff of the
Soudan Underground Laboratory and the Minnesota Department of Natural
Resources. This work is supported in part by the National Science
Foundation (Grant Nos. AST-9978911, PHY-0542066, PHY-0503729,
PHY-0503629, PHY-0503641, PHY-0504224, PHY-0705052, PHY-0801708,
PHY-0801712, PHY-0802575, PHY-0847342, and PHY-0855525), by the
Department of Energy (Contracts DE-AC03-76SF00098, DE-FG02-91ER40688,
DE-FG02-92ER40701, DE-FG03-90ER40569, and DE-FG03-91ER40618), by the
Swiss National Foundation (SNF Grant No. 20-118119), and by NSERC Canada
(Grant SAPIN 341314-07).
NR 45
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 30
PY 2011
VL 106
IS 13
AR 131302
DI 10.1103/PhysRevLett.106.131302
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 742MG
UT WOS:000288947600003
PM 21517371
ER
PT J
AU Ocko, BM
Hlaing, H
Jepsen, PN
Kewalramani, S
Tkachenko, A
Pontoni, D
Reichert, H
Deutsch, M
AF Ocko, B. M.
Hlaing, H.
Jepsen, P. N.
Kewalramani, S.
Tkachenko, A.
Pontoni, D.
Reichert, H.
Deutsch, M.
TI Unifying Interfacial Self-Assembly and Surface Freezing
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID LIQUID NORMAL-ALKANES; X-RAY REFLECTIVITY; CHAIN MOLECULES; MONOLAYERS;
ADSORPTION; ALKANETHIOLS; TRANSITION; CRYSTAL; GROWTH
AB X-ray investigations reveal that the monolayers formed at the bulk alkanol-sapphire interface are densely packed with the surface-normal molecules hydrogen bound to the sapphire. About 30-35 degrees C above the bulk, these monolayers both melt reversibly and partially desorb. This system exhibits balanced intermolecular and molecule-substrate interactions which are intermediate between self-assembled and surface-frozen monolayers, each dominated by one interaction. The phase behavior is rationalized within a thermodynamic model comprising interfacial interactions, elasticity, and entropic effects. Separating the substrate from the melt leaves the monolayer structurally intact.
C1 [Ocko, B. M.; Hlaing, H.; Jepsen, P. N.; Kewalramani, S.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
[Tkachenko, A.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Pontoni, D.; Reichert, H.] European Synchrotron Radiat Facil, F-38043 Grenoble, France.
[Deutsch, M.] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel.
[Deutsch, M.] Bar Ilan Univ, Inst Nanotechnol, IL-52900 Ramat Gan, Israel.
RP Ocko, BM (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
EM ocko@bnl.gov
RI Tkachenko, Alexei/I-9040-2012
OI Tkachenko, Alexei/0000-0003-1291-243X
FU U.S. Department of Energy, Basic Energy Sciences; Materials Sciences and
Engineering Division; NSLS; U.S.-Israel Binational Foundation
FX Research supported by the U.S. Department of Energy, Basic Energy
Sciences, by the Materials Sciences and Engineering Division (B. O., H.
H., P. N. J., and S. K.) and through use of the CFN (A. T.) and the
NSLS. Support by the U.S.-Israel Binational Foundation (M. D.) is
greatly acknowledged. We thank the ESRF for provision of beam time and
research support (D. P. and H. R.).
NR 27
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 30
PY 2011
VL 106
IS 13
AR 137801
DI 10.1103/PhysRevLett.106.137801
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 742MG
UT WOS:000288947600013
PM 21517421
ER
PT J
AU Rameau, JD
Smedley, J
Muller, EM
Kidd, TE
Johnson, PD
AF Rameau, J. D.
Smedley, J.
Muller, E. M.
Kidd, T. E.
Johnson, P. D.
TI Properties of Hydrogen Terminated Diamond as a Photocathode
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ELECTRON-AFFINITY; EXCITON BREAKUP; 100 SURFACE; EMISSION; PHONON; LASER
AB Electron emission from the negative electron affinity (NEA) surface of hydrogen terminated, boron doped diamond in the [100] orientation is investigated using angle resolved photoemission spectroscopy (ARPES). ARPES measurements using 16 eV synchrotron and 6 eV laser light are compared and found to show a catastrophic failure of the sudden approximation. While the high energy photoemission is found to yield little information regarding the NEA, low energy laser ARPES reveals for the first time that the NEA results from a novel Franck-Condon mechanism coupling electrons in the conduction band to the vacuum. The result opens the door to the development of a new class of NEA electron emitter based on this effect.
C1 [Rameau, J. D.; Smedley, J.; Kidd, T. E.; Johnson, P. D.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Muller, E. M.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Kidd, T. E.] Univ No Iowa, Cedar Falls, IA 50613 USA.
RP Rameau, JD (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
RI Muller, Erik/A-9790-2008
FU U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and
Engineering Division; Center for Functional Nanomaterials; National
Synchrotron Light Source; DOE-BES; DOE [DE-FG02-08ER41547]; Iowa Office
of Energy Independence [09-IPF-11]
FX We thank Philip Allen for illuminating discussions. This research was
supported by the U.S. Department of Energy, Basic Energy Sciences,
Materials Sciences and Engineering Division and performed at the Center
for Functional Nanomaterials and the National Synchrotron Light Source,
DOE-BES user facilities at Brookhaven National Laboratory, and by DOE
Grant No. DE-FG02-08ER41547. T. E. Kidd was supported by the Iowa Office
of Energy Independence Grant No. 09-IPF-11.
NR 21
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 30
PY 2011
VL 106
IS 13
AR 137602
DI 10.1103/PhysRevLett.106.137602
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 742MG
UT WOS:000288947600012
PM 21517420
ER
PT J
AU Randrup, J
Moller, P
AF Randrup, Jorgen
Moeller, Peter
TI Brownian Shape Motion on Five-Dimensional Potential-Energy Surfaces:
Nuclear Fission-Fragment Mass Distributions
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ONE-BODY DISSIPATION; HEAVY; COLLISIONS; BARRIERS; DISINTEGRATION;
TRANSPORT; DYNAMICS; SCISSION; ELEMENTS; URANIUM
AB Although nuclear fission can be understood qualitatively as an evolution of the nuclear shape, a quantitative description has proven to be very elusive. In particular, until now, there existed no model with demonstrated predictive power for the fission-fragment mass yields. Exploiting the expected strongly damped character of nuclear dynamics, we treat the nuclear shape evolution in analogy with Brownian motion and perform random walks on five-dimensional fission potential-energy surfaces which were calculated previously and are the most comprehensive available. Test applications give good reproduction of highly variable experimental mass yields. This novel general approach requires only a single new global parameter, namely, the critical neck size at which the mass split is frozen in, and the results are remarkably insensitive to its specific value.
C1 [Randrup, Jorgen] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
[Moeller, Peter] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Randrup, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
OI Moller, Peter/0000-0002-5848-3565
FU National Nuclear Security Administration of the U.S. Department of
Energy at LANL [DE-AC52-06NA25396]; Office of Energy Research, Office of
High Energy and Nuclear Physics, Nuclear Physics Division of the DOE
[DE-AC02-05CH11231]
FX We are grateful to K.-H. Schmidt for providing computer-readable files
of the data in Ref. [28] and to L. Bonneau, H. Goutte, D. C. Hoffman, A.
Iwamoto, A. J. Sierk, and R. Vogt for helpful discussions. T. Watanabe
kindly extracted the (n, f) data from the ENDF/B-VII.0 data base. This
work was supported by the Director, Office of Energy Research, Office of
High Energy and Nuclear Physics, Nuclear Physics Division of the DOE
under Contract No. DE-AC02-05CH11231 (J. R.) and by the National Nuclear
Security Administration of the U.S. Department of Energy at LANL under
Contract No. DE-AC52-06NA25396 (P. M.).
NR 35
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U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 30
PY 2011
VL 106
IS 13
AR 132503
DI 10.1103/PhysRevLett.106.132503
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 742MG
UT WOS:000288947600004
PM 21517377
ER
PT J
AU Uhoya, WO
Montgomery, JM
Tsoi, GM
Vohra, YK
McGuire, MA
Sefat, AS
Sales, BC
Weir, ST
AF Uhoya, Walter O.
Montgomery, Jeffrey M.
Tsoi, Georgiy M.
Vohra, Yogesh K.
McGuire, M. A.
Sefat, Athena S.
Sales, Brian C.
Weir, Samuel T.
TI Phase transition and superconductivity of SrFe2As2 under high pressure
SO JOURNAL OF PHYSICS-CONDENSED MATTER
LA English
DT Article
ID METAL
AB High pressure x-ray diffraction and electrical resistance measurements have been carried out on SrFe2As2 to a pressure of 23 GPa and temperature of 10 K using a synchrotron source and designer diamond anvils. At ambient temperature, a phase transition from the tetragonal phase to a collapsed tetragonal (CT) phase is observed at 10 GPa under non-hydrostatic conditions. The experimental relation that T-CT transition pressure for 122 Fe-based superconductors is dependent on ambient pressure volume is affirmed. The superconducting transition temperature is observed at 32 K at 1.3 GPa and decreases rapidly with a further increase of pressure in the region where the T-CT transition occurs. Our results suggest that T-C falls below 10 K in the pressure range of 10-18 GPa where the CT phase is expected to be stable.
C1 [Uhoya, Walter O.; Montgomery, Jeffrey M.; Tsoi, Georgiy M.; Vohra, Yogesh K.] Univ Alabama Birmingham UAB, Dept Phys, Birmingham, AL 35294 USA.
[McGuire, M. A.; Sefat, Athena S.; Sales, Brian C.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Weir, Samuel T.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Uhoya, WO (reprint author), Univ Alabama Birmingham UAB, Dept Phys, Birmingham, AL 35294 USA.
RI McGuire, Michael/B-5453-2009; Weir, Samuel/H-5046-2012; Uhoya,
Walter/D-5476-2014; Sefat, Athena/R-5457-2016
OI McGuire, Michael/0000-0003-1762-9406; Uhoya, Walter/0000-0002-3197-7629;
Sefat, Athena/0000-0002-5596-3504
FU Carnegie/Department of Energy (DOE) Alliance Center (CDAC)
[DE-FC52-08NA28554]; Department of Education [P200A090143]; Materials
Sciences and Engineering Division, Office of Basic Energy Sciences, US
Department of Energy
FX Walter Uhoya acknowledges support from the Carnegie/Department of Energy
(DOE) Alliance Center (CDAC) under Grant No. DE-FC52-08NA28554. Jeffery
M Montgomery acknowledges support from the Department of Education Grant
No. P200A090143. Research at ORNL is sponsored by the Materials Sciences
and Engineering Division, Office of Basic Energy Sciences, US Department
of Energy. Portions of this work were performed at HPCAT (Sector 16),
Advanced Photon Source (APS), Argonne National Laboratory.
NR 35
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U1 1
U2 30
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-8984
J9 J PHYS-CONDENS MAT
JI J. Phys.-Condes. Matter
PD MAR 30
PY 2011
VL 23
IS 12
AR 122201
DI 10.1088/0953-8984/23/12/122201
PG 6
WC Physics, Condensed Matter
SC Physics
GA 732SH
UT WOS:000288209400001
PM 21389565
ER
PT J
AU Velisavljevic, N
Chesnut, GN
Stevens, LL
Dattelbaum, DM
AF Velisavljevic, Nenad
Chesnut, Gary N.
Stevens, Lewis L.
Dattelbaum, Dana M.
TI Effects of interstitial impurities on the high pressure martensitic
alpha to omega structural transformation and grain growth in zirconium
SO JOURNAL OF PHYSICS-CONDENSED MATTER
LA English
DT Article
ID CRYSTAL STRUCTURE; TRANSITION; IRON; TITANIUM; STRESS; METALS; PHASE
AB Static high pressure diamond anvil cell experiments were performed on three polycrystalline Zr samples having varying interstitial impurity concentrations. Systematic increase in transition pressure with the increase in the amount of interstitial impurities is observed for the martensitic alpha ->omega structural phase transition in Zr. Significant room temperature crystal grain growth is also observed for the two highest purity samples at the alpha ->omega transition. In the case of the lowest purity sample interstitial impurities obstruct the alpha ->omega transition, while possibly helping impede grain growth-even as the sample is heated to 1279 K.
C1 [Velisavljevic, Nenad; Stevens, Lewis L.; Dattelbaum, Dana M.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
[Chesnut, Gary N.] Univ W Georgia, Dept Phys, Carrollton, GA 30118 USA.
RP Velisavljevic, N (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87544 USA.
EM nenad@lanl.gov
FU DOE-NNSA; DOE-BES [DE-AC02-06CH11357]; NSF; NIH/National Institute of
General Medical Sciences under NSF [DMR-0225180]; US DOE
[DE-AC52-06NA25396]
FX A portion of this work was performed at HPCAT (Sector 16), Advanced
Photon Source (APS), Argonne National Laboratory. HPCAT is supported by
CIW, CDAC, UNLV and LLNL through funding from DOE-NNSA, DOE-BES and NSF.
APS is supported by DOE-BES, under Contract No. DE-AC02-06CH11357. Part
of the work was also performed at the B2 beamline at Cornell High Energy
Synchrotron Source (CHESS) which is supported by the NSF and the
NIH/National Institute of General Medical Sciences under NSF award
DMR-0225180. LANL is operated by LANS, LLC for the DOE-NNSA. This work
was, in part, supported by the US DOE under contract #
DE-AC52-06NA25396. We would also like to thank the HPCAT and CHESS
beamline staff for their assistance.
NR 16
TC 7
Z9 7
U1 1
U2 10
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-8984
J9 J PHYS-CONDENS MAT
JI J. Phys.-Condes. Matter
PD MAR 30
PY 2011
VL 23
IS 12
AR 125402
DI 10.1088/0953-8984/23/12/125402
PG 4
WC Physics, Condensed Matter
SC Physics
GA 732SH
UT WOS:000288209400006
PM 21386372
ER
PT J
AU Malace, SP
Melnitchouk, W
Psaker, A
AF Malace, S. P.
Melnitchouk, W.
Psaker, A.
TI Evidence for quark-hadron duality in gamma* p helicity cross sections
SO PHYSICAL REVIEW C
LA English
DT Article
ID CONSTITUENT QUARKS; ELECTROPRODUCTION; SCATTERING; NUCLEON; PION; SUM
AB Combining data on unpolarized and polarized inclusive proton structure functions, we perform the first detailed study of quark-hadron duality in individual helicity-1/2 and 3/2 virtual photoproduction cross sections. We find that duality is realized more clearly in the helicity-1/2 channel, with duality-violating corrections less than or similar to 10% over the entire nucleon resonance region, while larger, less than or similar to 20% corrections are found in the helicity-3/2 sector. The results are in general agreement with quark model expectations, and suggest that data above the Delta resonance region may be used to constrain both spin-averaged and spin-dependent parton distributions.
C1 [Malace, S. P.] Duke Univ, Dept Phys, Durham, NC 27708 USA.
[Melnitchouk, W.] Jefferson Lab, Newport News, VA 23606 USA.
[Psaker, A.] Amer Univ Nigeria, Yola, Nigeria.
RP Malace, SP (reprint author), Duke Univ, Dept Phys, Durham, NC 27708 USA.
FU US Department of Energy [DE-FG02-03ER41231]; DOE [DE-AC05-06OR23177]
FX This work was supported by the US Department of Energy under Contract
No. DE-FG02-03ER41231, and DOE Contract No. DE-AC05-06OR23177, under
which Jefferson Science Associates, LLC operates Jefferson Lab.
NR 27
TC 3
Z9 3
U1 0
U2 0
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
J9 PHYS REV C
JI Phys. Rev. C
PD MAR 29
PY 2011
VL 83
IS 3
AR 035203
DI 10.1103/PhysRevC.83.035203
PG 6
WC Physics, Nuclear
SC Physics
GA 741WQ
UT WOS:000288896900004
ER
PT J
AU Aalseth, CE
Barbeau, PS
Bowden, NS
Cabrera-Palmer, B
Colaresi, J
Collar, JI
Dazeley, S
de Lurgio, P
Fast, JE
Fields, N
Greenberg, CH
Hossbach, TW
Keillor, ME
Kephart, JD
Marino, MG
Miley, HS
Miller, ML
Orrell, JL
Radford, DC
Reyna, D
Tench, O
Van Wechel, TD
Wilkerson, JF
Yocum, KM
AF Aalseth, C. E.
Barbeau, P. S.
Bowden, N. S.
Cabrera-Palmer, B.
Colaresi, J.
Collar, J. I.
Dazeley, S.
de Lurgio, P.
Fast, J. E.
Fields, N.
Greenberg, C. H.
Hossbach, T. W.
Keillor, M. E.
Kephart, J. D.
Marino, M. G.
Miley, H. S.
Miller, M. L.
Orrell, J. L.
Radford, D. C.
Reyna, D.
Tench, O.
Van Wechel, T. D.
Wilkerson, J. F.
Yocum, K. M.
CA CoGeNT Collaboration
TI Results from a Search for Light-Mass Dark Matter with a p-Type Point
Contact Germanium Detector
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB We report on several features in the energy spectrum from an ultralow-noise germanium detector operated deep underground. By implementing a new technique able to reject surface events, a number of cosmogenic peaks can be observed for the first time. We discuss an irreducible excess of bulklike events below 3 keV in ionization energy. These could be caused by unknown backgrounds, but also dark matter interactions consistent with DAMA/LIBRA. It is not yet possible to determine their origin. Improved constraints are placed on a cosmological origin for the DAMA/LIBRA effect.
C1 [Aalseth, C. E.; Fast, J. E.; Hossbach, T. W.; Keillor, M. E.; Kephart, J. D.; Miley, H. S.; Orrell, J. L.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Barbeau, P. S.; Collar, J. I.; Fields, N.; Greenberg, C. H.; Hossbach, T. W.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA.
[Barbeau, P. S.; Collar, J. I.; Fields, N.; Greenberg, C. H.; Hossbach, T. W.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Bowden, N. S.; Dazeley, S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Cabrera-Palmer, B.; Reyna, D.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Colaresi, J.; Tench, O.; Yocum, K. M.] CANBERRA Ind, Meriden, CT 06450 USA.
[de Lurgio, P.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Marino, M. G.; Miller, M. L.; Van Wechel, T. D.; Wilkerson, J. F.] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA.
[Marino, M. G.; Miller, M. L.; Van Wechel, T. D.; Wilkerson, J. F.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Radford, D. C.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Wilkerson, J. F.] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA.
RP Aalseth, CE (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM collar@uchicago.edu
RI radford, David/A-3928-2015; Orrell, John/E-9313-2015;
OI Orrell, John/0000-0001-7968-4051; Marino, Michael/0000-0003-1226-6036;
Keillor, Martin/0000-0001-7828-5868; Wilkerson,
John/0000-0002-0342-0217; Bowden, Nathaniel/0000-0002-6115-0956
FU NSF [PHY-0653605, PHY-0239812, PHY-0114422]; LLNL [DE-AC52-07NA27344];
Office of Nuclear Physics, U.S. DOE; DOE/NNSA [2010-1375J,
LLNL-JRNL-425007]
FX Work sponsored by NSF Grants No. PHY-0653605, No. PHY-0239812, No.
PHY-0114422, LLNL Contract No. DE-AC52-07NA27344, LDRD programs at SNL
and PNNL, and the Office of Nuclear Physics, U.S. DOE. N.F. is supported
by the DOE/NNSA SSGF program SAND Number: 2010-1375J, LLNL-JRNL-425007.
We owe gratitude to all personnel at the Soudan Underground Laboratory.
NR 33
TC 540
Z9 547
U1 4
U2 34
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 MAR 29
PY 2011
VL 106
IS 13
AR 131301
DI 10.1103/PhysRevLett.106.131301
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200004
PM 21517370
ER
PT J
AU Cao, QH
Khalil, S
Ma, E
Okada, H
AF Cao, Qing-Hong
Khalil, Shaaban
Ma, Ernest
Okada, Hiroshi
TI Observable T-7 Lepton Flavor Symmetry at the Large Hadron Collider
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID FAMILY SYMMETRY; DELTA(27) SYMMETRY; NEUTRINO; A(4); VIOLATION
AB More often than not, models of flavor symmetry rely on the use of nonrenormalizable operators (in the guise of flavons) to accomplish the phenomenologically successful tribimaximal mixing of neutrinos. We show instead how a simple renormalizable two-parameter neutrino mass model of tribimaximal mixing can be constructed with the non-Abelian discrete symmetry T-7 and the gauging of B - L. This is also achieved without the addition of auxiliary symmetries and particles present in almost all other proposals. Most importantly, it is verifiable at the Large Hadron Collider.
C1 [Cao, Qing-Hong] Argonne Natl Lab, High Energy Div, Argonne, IL 60439 USA.
[Cao, Qing-Hong] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Khalil, Shaaban; Okada, Hiroshi] British Univ Egypt, Ctr Theoret Phys, El Sherouk City 11837, Egypt.
[Khalil, Shaaban] Ain Shams Univ, Dept Math, Fac Sci, Cairo 11566, Egypt.
[Ma, Ernest] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA.
RP Cao, QH (reprint author), Argonne Natl Lab, High Energy Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
FU U.S. DOE [DE-AC02-06CH11357, DE-FG03-94ER40837]; Argonne National
Laboratory; University of Chicago JTI [03921-07-137]; STDF 437; ICTP
[30]
FX The work of Q.-H. C. is supported in part by the U.S. DOE Grant No.
DE-AC02-06CH11357 and in part by the Argonne National Laboratory and
University of Chicago JTI Grant No. 03921-07-137. The work of S. K. and
H. O. is partly supported by STDF 437 and ICTP Project 30. The work of
E. M. is supported in part by the U.S. DOE Grant No. DE-FG03-94ER40837.
NR 25
TC 31
Z9 31
U1 0
U2 1
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 29
PY 2011
VL 106
IS 13
AR 131801
DI 10.1103/PhysRevLett.106.131801
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200006
PM 21517373
ER
PT J
AU Konik, RM
AF Konik, Robert M.
TI Exciton Hierarchies in Gapped Carbon Nanotubes
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SINE-GORDON MODEL; TRANSPORT; SPECTRA; FIELDS
AB We present evidence that the strong electron-electron (e-e) interactions in gapped carbon nanotubes lead to finite hierarchies of excitons within a given nanotube subband. We study these hierarchies by employing a field theoretic reduction of the gapped carbon nanotube permitting e-e interactions to be treated exactly. We analyze this reduction by employing a Wilsonian-like numerical renormalization group. We are so able to determine the gap ratios of the one-photon excitons as a function of the effective strength of interactions. We also determine within the same subband the gaps of the two-photon excitons, the single particle gaps, as well as a subset of the dark excitons. The strong e-e interactions in addition lead to strongly renormalized dispersion relations where the consequences of spin-charge separation can be readily observed.
C1 [Konik, Robert M.] Brookhaven Natl Lab, Condensed Matter Phys, Upton, NY 11973 USA.
[Konik, Robert M.] Brookhaven Natl Lab, Dept Mat Sci, Upton, NY 11973 USA.
RP Konik, RM (reprint author), Brookhaven Natl Lab, Condensed Matter Phys, Upton, NY 11973 USA.
RI Konik, Robert/L-8076-2016
OI Konik, Robert/0000-0003-1209-6890
FU U.S. DOE [DE-AC02-98 CH 10886]
FX R.M.K. acknowledges support from the U.S. DOE (DE-AC02-98 CH 10886)
together with helpful discussions with V. Perebeinos, M. Sfeir, and A.
Tsvelik.
NR 25
TC 15
Z9 15
U1 2
U2 4
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 29
PY 2011
VL 106
IS 13
AR 136805
DI 10.1103/PhysRevLett.106.136805
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200019
PM 21517408
ER
PT J
AU Meziane, M
Brash, EJ
Gilman, R
Jones, MK
Luo, W
Pentchev, L
Perdrisat, CF
Puckett, AJR
Punjabi, V
Wesselmann, FR
Ahmidouch, A
Albayrak, I
Aniol, KA
Arrington, J
Asaturyan, A
Ates, O
Baghdasaryan, H
Benmokhtar, F
Bertozzi, W
Bimbot, L
Bosted, P
Boeglin, W
Butuceanu, C
Carter, P
Chernenko, S
Christy, E
Commisso, M
Cornejo, JC
Covrig, S
Danagoulian, S
Daniel, A
Davidenko, A
Day, D
Dhamija, S
Dutta, D
Ent, R
Frullani, S
Fenker, H
Frlez, E
Garibaldi, F
Gaskell, D
Gilad, S
Goncharenko, Y
Hafidi, K
Hamilton, D
Higinbotham, DW
Hinton, W
Horn, T
Hu, B
Huang, J
Huber, GM
Jensen, E
Kang, H
Keppel, C
Khandaker, M
King, P
Kirillov, D
Kohl, M
Kravtsov, V
Kumbartzki, G
Li, Y
Mamyan, V
Margaziotis, DJ
Markowitz, P
Marsh, A
Matulenko, Y
Maxwell, J
Mbianda, G
Meekins, D
Melnik, Y
Miller, J
Mkrtchyan, A
Mkrtchyan, H
Moffit, B
Moreno, O
Mulholland, J
Narayan, A
Nuruzzaman
Nedev, S
Piasetzky, E
Pierce, W
Piskunov, NM
Prok, Y
Ransome, RD
Razin, DS
Reimer, PE
Reinhold, J
Rondon, O
Shabestari, M
Shahinyan, A
Shestermanov, K
Sirca, S
Sitnik, I
Smykov, L
Smith, G
Solovyev, L
Solvignon, P
Subedi, R
Suleiman, R
Tomasi-Gustafsson, E
Vasiliev, A
Vanderhaeghen, M
Veilleux, M
Wojtsekhowski, BB
Wood, S
Ye, Z
Zanevsky, Y
Zhang, X
Zhang, Y
Zheng, X
Zhu, L
AF Meziane, M.
Brash, E. J.
Gilman, R.
Jones, M. K.
Luo, W.
Pentchev, L.
Perdrisat, C. F.
Puckett, A. J. R.
Punjabi, V.
Wesselmann, F. R.
Ahmidouch, A.
Albayrak, I.
Aniol, K. A.
Arrington, J.
Asaturyan, A.
Ates, O.
Baghdasaryan, H.
Benmokhtar, F.
Bertozzi, W.
Bimbot, L.
Bosted, P.
Boeglin, W.
Butuceanu, C.
Carter, P.
Chernenko, S.
Christy, E.
Commisso, M.
Cornejo, J. C.
Covrig, S.
Danagoulian, S.
Daniel, A.
Davidenko, A.
Day, D.
Dhamija, S.
Dutta, D.
Ent, R.
Frullani, S.
Fenker, H.
Frlez, E.
Garibaldi, F.
Gaskell, D.
Gilad, S.
Goncharenko, Y.
Hafidi, K.
Hamilton, D.
Higinbotham, D. W.
Hinton, W.
Horn, T.
Hu, B.
Huang, J.
Huber, G. M.
Jensen, E.
Kang, H.
Keppel, C.
Khandaker, M.
King, P.
Kirillov, D.
Kohl, M.
Kravtsov, V.
Kumbartzki, G.
Li, Y.
Mamyan, V.
Margaziotis, D. J.
Markowitz, P.
Marsh, A.
Matulenko, Y.
Maxwell, J.
Mbianda, G.
Meekins, D.
Melnik, Y.
Miller, J.
Mkrtchyan, A.
Mkrtchyan, H.
Moffit, B.
Moreno, O.
Mulholland, J.
Narayan, A.
Nuruzzaman
Nedev, S.
Piasetzky, E.
Pierce, W.
Piskunov, N. M.
Prok, Y.
Ransome, R. D.
Razin, D. S.
Reimer, P. E.
Reinhold, J.
Rondon, O.
Shabestari, M.
Shahinyan, A.
Shestermanov, K.
Sirca, S.
Sitnik, I.
Smykov, L.
Smith, G.
Solovyev, L.
Solvignon, P.
Subedi, R.
Suleiman, R.
Tomasi-Gustafsson, E.
Vasiliev, A.
Vanderhaeghen, M.
Veilleux, M.
Wojtsekhowski, B. B.
Wood, S.
Ye, Z.
Zanevsky, Y.
Zhang, X.
Zhang, Y.
Zheng, X.
Zhu, L.
CA GEp2 Collaboration
TI Search for Effects Beyond the Born Approximation in Polarization
Transfer Observables in (e)over-right-arrow p Elastic Scattering
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID FORM-FACTORS; PROTON
AB Intensive theoretical and experimental efforts over the past decade have aimed at explaining the discrepancy between data for the proton electric to magnetic form factor ratio, G(E)/G(M), obtained separately from cross section and polarization transfer measurements. One possible explanation for this difference is a two-photon-exchange contribution. In an effort to search for effects beyond the one-photon-exchange or Born approximation, we report measurements of polarization transfer observables in the elastic H((e) over right arrow, e' (p) over right arrow) reaction for three different beam energies at a Q(2) = 2: 5 GeV2, spanning a wide range of the kinematic parameter epsilon. The ratio R, which equals mu(p)G(E)/G(M) in the Born approximation, is found to be independent of epsilon at the 1.5% level. The epsilon dependence of the longitudinal polarization transfer component P-l shows an enhancement of (2.3 +/- 0.6)% relative to the Born approximation at large epsilon
C1 [Meziane, M.; Pentchev, L.; Perdrisat, C. F.] Coll William & Mary, Williamsburg, VA 23187 USA.
[Brash, E. J.; Carter, P.; Jensen, E.; Marsh, A.; Pierce, W.; Prok, Y.; Veilleux, M.] Christopher Newport Univ, Newport News, VA 23606 USA.
[Brash, E. J.; Gilman, R.; Jones, M. K.; Bosted, P.; Covrig, S.; Ent, R.; Fenker, H.; Gaskell, D.; Higinbotham, D. W.; Horn, T.; Meekins, D.; Suleiman, R.; Wojtsekhowski, B. B.; Wood, S.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Gilman, R.; Kumbartzki, G.; Ransome, R. D.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Luo, W.; Hu, B.; Zhang, X.; Zhang, Y.] Lanzhou Univ, Lanzhou 730000, Gansu, Peoples R China.
[Puckett, A. J. R.; Bertozzi, W.; Gilad, S.; Huang, J.; Moffit, B.] MIT, Cambridge, MA 02139 USA.
[Puckett, A. J. R.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Punjabi, V.; Wesselmann, F. R.; Hinton, W.] Norfolk State Univ, Norfolk, VA 23504 USA.
[Ahmidouch, A.; Danagoulian, S.] N Carolina Agr & Tech State Univ, Greensboro, NC 27411 USA.
[Albayrak, I.; Ates, O.; Christy, E.; Keppel, C.; Kohl, M.; Li, Y.; Ye, Z.; Zhu, L.] Hampton Univ, Hampton, VA 23668 USA.
[Aniol, K. A.; Cornejo, J. C.; Margaziotis, D. J.; Moreno, O.] Calif State Univ Los Angeles, Los Angeles, CA 90032 USA.
[Arrington, J.; Hafidi, K.; Reimer, P. E.; Solvignon, P.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Asaturyan, A.; Mkrtchyan, A.; Mkrtchyan, H.; Shahinyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Baghdasaryan, H.; Commisso, M.; Day, D.; Frlez, E.; Mamyan, V.; Maxwell, J.; Mulholland, J.; Rondon, O.; Shabestari, M.; Subedi, R.; Zheng, X.] Univ Virginia, Charlottesville, VA 22904 USA.
[Benmokhtar, F.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Bimbot, L.; Tomasi-Gustafsson, E.] CNRS, Inst Phys Nucl, IN2P3, F-91405 Orsay, France.
[Bimbot, L.; Tomasi-Gustafsson, E.] Univ Paris 11, Orsay, France.
[Boeglin, W.; Dhamija, S.; Markowitz, P.; Reinhold, J.] Florida Int Univ, Miami, FL 33199 USA.
[Butuceanu, C.; Huber, G. M.] Univ Regina, Regina, SK S4S 0A2, Canada.
[Chernenko, S.; Kirillov, D.; Piskunov, N. M.; Razin, D. S.; Sitnik, I.; Smykov, L.; Zanevsky, Y.] JINR LHE, Dubna 141980, Moscow Region, Russia.
[Daniel, A.; King, P.] Ohio Univ, Athens, OH 45701 USA.
[Davidenko, A.; Goncharenko, Y.; Kravtsov, V.; Matulenko, Y.; Melnik, Y.; Shestermanov, K.; Solovyev, L.; Vasiliev, A.] IHEP, Protvino 142284, Moscow Region, Russia.
[Dutta, D.; Narayan, A.; Nuruzzaman] Mississippi State Univ, Starkville, MS 39762 USA.
[Frullani, S.; Garibaldi, F.] Ist Nazl Fis Nucl, Sez Sanita, I-00161 Rome, Italy.
[Frullani, S.; Garibaldi, F.] Ist Super Sanita, I-00161 Rome, Italy.
[Hamilton, D.] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland.
[Kang, H.] Seoul Natl Univ, Seoul 151742, South Korea.
[Mbianda, G.] Univ Witwatersrand, Johannesburg, South Africa.
[Miller, J.] Univ Maryland, College Pk, MD 20742 USA.
[Nedev, S.] Univ Chem Technol & Met, BU-1756 Sofia, Bulgaria.
[Piasetzky, E.] Tel Aviv Univ, IL-69978 Tel Aviv, Israel.
[Sirca, S.] Jozef Stefan Inst, SI-1001 Ljubljana, Slovenia.
[Tomasi-Gustafsson, E.] CEA Saclay, F-91191 Gif Sur Yvette, France.
[Vanderhaeghen, M.] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany.
RP Meziane, M (reprint author), Coll William & Mary, Williamsburg, VA 23187 USA.
EM mezianem@jlab.org
RI Arrington, John/D-1116-2012; Higinbotham, Douglas/J-9394-2014; Day,
Donal/C-5020-2015; Narayan, Amrendra/Q-3243-2016; Ye,
Zhihong/E-6651-2017; Rondon Aramayo, Oscar/B-5880-2013; Frlez,
Emil/B-6487-2013; Reimer, Paul/E-2223-2013; Mamyan, Vahe/K-4778-2012
OI Arrington, John/0000-0002-0702-1328; Higinbotham,
Douglas/0000-0003-2758-6526; Day, Donal/0000-0001-7126-8934; Narayan,
Amrendra/0000-0003-3814-9559; Ye, Zhihong/0000-0002-1873-2344;
FU U.S. Department of Energy; U.S. National Science Foundation; Italian
Institute for Nuclear research; French Commissariat a l'Energie Atomique
(CEA); Centre National de la Recherche Scientifique (CNRS); Natural
Sciences and Engineering Research Council of Canada; DOE
[DE-AC05-06OR23177]
FX We thank the Hall C technical staff and the Jefferson Lab Accelerator
Division for their outstanding support during the experiment. This work
was supported in part by the U.S. Department of Energy, the U.S.
National Science Foundation, the Italian Institute for Nuclear research,
the French Commissariat a l'Energie Atomique (CEA), the Centre National
de la Recherche Scientifique (CNRS), and the Natural Sciences and
Engineering Research Council of Canada. This work is supported by DOE
Contract No. DE-AC05-06OR23177, under which Jefferson Science
Associates, LLC, operates the Thomas Jefferson National Accelerator
Facility.
NR 32
TC 39
Z9 39
U1 1
U2 11
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 29
PY 2011
VL 106
IS 13
AR 132501
DI 10.1103/PhysRevLett.106.132501
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200007
PM 21520982
ER
PT J
AU Sann, H
Jahnke, T
Havermeier, T
Kreidi, K
Stuck, C
Meckel, M
Schoffler, MS
Neumann, N
Wallauer, R
Voss, S
Czasch, A
Jagutzki, O
Weber, T
Schmidt-Bocking, H
Miyabe, S
Haxton, DJ
Orel, AE
Rescigno, TN
Dorner, R
AF Sann, H.
Jahnke, T.
Havermeier, T.
Kreidi, K.
Stuck, C.
Meckel, M.
Schoeffler, M. S.
Neumann, N.
Wallauer, R.
Voss, S.
Czasch, A.
Jagutzki, O.
Weber, Th.
Schmidt-Boecking, H.
Miyabe, S.
Haxton, D. J.
Orel, A. E.
Rescigno, T. N.
Doerner, R.
TI Electron Diffraction Self-Imaging of Molecular Fragmentation in Two-Step
Double Ionization of Water
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID MICROCHANNEL-PLATE DETECTOR; DOUBLE PHOTOIONIZATION; MOMENTUM
SPECTROSCOPY; RECOIL-ION; RESONANCES; PHOTO
AB We doubly ionize H2O by single photon absorption at 43 eV leading to H+ + OH+. A direct double ionization and a sequential process in which single ionization is followed by rapid dissociation into a proton and an autoionizing OH* are identified. The angular distribution of this delayed autoionization electron shows a preferred emission in the direction of the emitted proton. From this diffraction feature we obtain internuclear distances of 700 to 1100 a.u. at which the autoionization of the OH* occurs. The experimental findings are in line with calculations of the excited potential energy surfaces and their lifetimes.
C1 [Sann, H.; Jahnke, T.; Havermeier, T.; Kreidi, K.; Stuck, C.; Meckel, M.; Schoeffler, M. S.; Neumann, N.; Wallauer, R.; Voss, S.; Czasch, A.; Jagutzki, O.; Weber, Th.; Schmidt-Boecking, H.; Doerner, R.] Goethe Univ Frankfurt, Inst Kernphys, D-60438 Frankfurt, Germany.
[Miyabe, S.; Haxton, D. J.; Rescigno, T. N.] Univ Calif Berkeley, Lawrence Berkeley Lab, Chem Sci & Ultrafast Xray Sci Lab, Berkeley, CA 94720 USA.
[Orel, A. E.] Univ Calif Davis, Dept Appl Sci, Davis, CA 95616 USA.
RP Sann, H (reprint author), Goethe Univ Frankfurt, Inst Kernphys, Max Von Laue Str 1, D-60438 Frankfurt, Germany.
EM doerner@atom.uni-frankfurt.de
RI Doerner, Reinhard/A-5340-2008; Weber, Thorsten/K-2586-2013; Schoeffler,
Markus/B-6261-2008
OI Doerner, Reinhard/0000-0002-3728-4268; Weber,
Thorsten/0000-0003-3756-2704; Schoeffler, Markus/0000-0001-9214-6848
FU U.S. DOE; OBES, Division of Chemical Sciences [DE-AC02-05CH11231]
FX We want to thank the staff of BESSY II for experimental support. This
work was funded by the Deutsche Forschungsgemeinschaft and by BMBF. R.
D. acknowledges the hospitality of the Division of Chemical Sciences at
LBNL during a sabbatical stay. Work at LBNL performed under the auspices
of the U.S. DOE and supported by the OBES, Division of Chemical Sciences
under contract DE-AC02-05CH11231.
NR 20
TC 9
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 29
PY 2011
VL 106
IS 13
AR 133001
DI 10.1103/PhysRevLett.106.133001
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200009
PM 21517378
ER
PT J
AU Satula, W
Dobaczewski, J
Nazarewicz, W
Rafalski, M
AF Satula, W.
Dobaczewski, J.
Nazarewicz, W.
Rafalski, M.
TI Microscopic Calculations of Isospin-Breaking Corrections to Superallowed
Beta Decay
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SYMMETRY-BREAKING; TESTS
AB The superallowed beta-decay rates that provide stringent constraints on physics beyond the standard model of particle physics are affected by nuclear structure effects through isospin-breaking corrections. The self-consistent isospin- and angular-momentum-projected nuclear density functional theory is used for the first time to compute those corrections for a number of Fermi transitions in nuclei from A 10 to A = 74. The resulting leading element of the Cabibbo-Kobayashi-Maskawa matrix, vertical bar V(nd)vertical bar = 0.974 47(23), agrees well with the recent result of Towner and Hardy [Phys. Rev. C 77, 025501 (2008)].
C1 [Satula, W.; Dobaczewski, J.; Nazarewicz, W.; Rafalski, M.] Univ Warsaw, Inst Theoret Phys, Fac Phys, PL-00681 Warsaw, Poland.
[Dobaczewski, J.] Univ Jyvaskyla, Dept Phys, FI-40014 Jyvaskyla, Finland.
[Nazarewicz, W.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Nazarewicz, W.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
RP Satula, W (reprint author), Univ Warsaw, Inst Theoret Phys, Fac Phys, Ul Hoza 69, PL-00681 Warsaw, Poland.
FU Polish Ministry of Science [N N202 328234, N N202 239037]; Academy of
Finland and University of Jyvaskyla; Office of Nuclear Physics, U.S.
Department of Energy [DE-FG02-96ER40963]; University of Tennessee
[DE-FC02-09ER41583]
FX This work was supported in part by the Polish Ministry of Science under
Contracts No. N N202 328234 and No. N N202 239037, Academy of Finland
and University of Jyvaskyla within the FIDIPRO programme, and by the
Office of Nuclear Physics, U.S. Department of Energy under Contracts No.
DE-FG02-96ER40963 (University of Tennessee) and No. DE-FC02-09ER41583
(UNEDF SciDAC Collaboration). We acknowledge the CSC-IT Center for
Science Ltd, Finland for the allocation of computational resources.
NR 31
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 29
PY 2011
VL 106
IS 13
AR 132502
DI 10.1103/PhysRevLett.106.132502
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200008
PM 21517376
ER
PT J
AU Vogel, A
Kamionka, T
Martens, M
Drews, A
Chou, KW
Tyliszczak, T
Stoll, H
Van Waeyenberge, B
Meier, G
AF Vogel, Andreas
Kamionka, Thomas
Martens, Michael
Drews, Andre
Chou, Kang Wei
Tyliszczak, Tolek
Stoll, Hermann
Van Waeyenberge, Bartel
Meier, Guido
TI Coupled Vortex Oscillations in Spatially Separated Permalloy Squares
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID DOTS
AB We experimentally study the magnetization dynamics of pairs of micron-sized permalloy squares coupled via their stray fields. The trajectories of the vortex cores in the Landau-domain patterns of the squares are mapped in real space using time-resolved scanning transmission x-ray microscopy. After excitation of one of the vortex cores with a short magnetic-field pulse, the system behaves like coupled harmonic oscillators. The coupling strength depends on the separation between the squares and the configuration of the vortex-core polarizations. Considering the excitation via a rotating in-plane magnetic field, it can be understood that only a weak response of the second vortex core is observed for equal core polarizations.
C1 [Vogel, Andreas; Kamionka, Thomas; Martens, Michael; Drews, Andre; Meier, Guido] Univ Hamburg, Inst Angew Phys, D-20355 Hamburg, Germany.
[Vogel, Andreas; Kamionka, Thomas; Martens, Michael; Drews, Andre; Meier, Guido] Univ Hamburg, Zentrum Mikrostrukturforsch, D-20355 Hamburg, Germany.
[Drews, Andre] Univ Hamburg, Arbeitsbereich Tech Informat Syst, D-22527 Hamburg, Germany.
[Chou, Kang Wei; Tyliszczak, Tolek] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Stoll, Hermann] Max Planck Inst Metallforsch, D-70569 Stuttgart, Germany.
[Van Waeyenberge, Bartel] Univ Ghent, Dept Solid State Sci, B-9000 Ghent, Belgium.
RP Vogel, A (reprint author), Univ Hamburg, Inst Angew Phys, D-20355 Hamburg, Germany.
EM andreas.vogel@physnet.uni-hamburg.de
FU DOE, Office of Science [DE-AC02-05-CH11231]
FX We thank Hyunsung Jung and Sang-Koog Kim for fruitful discussions,
Ulrich Merkt for fruitful discussions and continuous support, Sebastian
Wintz for providing some of his beamtime at the STXM, and Michael
Volkmann for superb technical assistance. Financial support of the
Deutsche Forschungsgemeinschaft via the Sonderforschungsbereich 668 and
the Forschungs- und Wissenschaftsstiftung Hamburg via the
Exzellenzcluster "Nano-Spintronik'' is gratefully acknowledged.
Operation of the x-ray microscope is supported by the DOE, Office of
Science, under Contract No. DE-AC02-05-CH11231.
NR 24
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PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 29
PY 2011
VL 106
IS 13
AR 137201
DI 10.1103/PhysRevLett.106.137201
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741XT
UT WOS:000288901200024
PM 21517417
ER
PT J
AU Burke, BG
Chan, J
Williams, KA
Fuhrer, T
Fu, WJ
Dorn, HC
Puretzky, AA
Geohegan, DB
AF Burke, Brian G.
Chan, Jack
Williams, Keith A.
Fuhrer, Timothy
Fu, Wujun
Dorn, Harry C.
Puretzky, Alexander A.
Geohegan, David B.
TI Vibrational spectrum of the endohedral Y2C2@C-92 fullerene by Raman
spectroscopy: Evidence for tunneling of the diatomic C-2 molecule
SO PHYSICAL REVIEW B
LA English
DT Article
ID IMAGING CONTRAST AGENT; WATER-SOLUBLE METALLOFULLERENES; CAGE; SINGLE;
FAMILY
AB The structure and vibrational spectrum of the novel endohedral fullerene Y2C2@C-92 was studied by Raman spectroscopy, with particular emphasis on the rotational transitions of the diatomic C-2 unit in the low-energy Raman spectrum. We report evidence for tunneling of this unit through the C-2 rotation plane and observe anomalous narrowing in a hindered rotational mode. We also report complementary density functional theory calculations that support our conclusions and discuss potential applications to quantum computing and nonvolatile memory devices.
C1 [Burke, Brian G.; Chan, Jack; Williams, Keith A.] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA.
[Fuhrer, Timothy; Fu, Wujun; Dorn, Harry C.] Virginia Polytech Inst & State Univ, Dept Chem, Blacksburg, VA 24061 USA.
[Puretzky, Alexander A.; Geohegan, David B.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Burke, BG (reprint author), Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA.
EM bgb9q@virginia.edu
RI Dorn, Harry/K-6830-2013; Puretzky, Alexander/B-5567-2016; Geohegan,
David/D-3599-2013
OI Puretzky, Alexander/0000-0002-9996-4429; Geohegan,
David/0000-0003-0273-3139
FU National Science Foundation [CHE-0443850, DMR-0507083]; National
Institutes of Health [1R01-CA119371-01]; Scientific User Facilities
Division, Office of Basic Energy Sciences, US Department of Energy
FX We are grateful for support of this work by the National Science
Foundation [CHE-0443850 (H. C. D.), DMR-0507083 (H. C. D.)] and the
National Institutes of Health [1R01-CA119371-01 (H. C. D.)]. A portion
of this research at Oak Ridge National Laboratory's Center for Nanophase
Materials Science was sponsored by the Scientific User Facilities
Division, Office of Basic Energy Sciences, US Department of Energy.
NR 36
TC 7
Z9 8
U1 0
U2 14
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 29
PY 2011
VL 83
IS 11
AR 115457
DI 10.1103/PhysRevB.83.115457
PG 5
WC Physics, Condensed Matter
SC Physics
GA 741WL
UT WOS:000288896400012
ER
PT J
AU Baird, L
Ong, CP
Cole, RA
Haegel, NM
Talin, AA
Li, QM
Wang, GT
AF Baird, Lee
Ong, C. P.
Cole, R. Adam
Haegel, N. M.
Talin, A. Alec
Li, Qiming
Wang, George T.
TI Transport imaging for contact-free measurements of minority carrier
diffusion in GaN, GaN/AlGaN, and GaN/InGaN core-shell nanowires
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID SEMICONDUCTOR NANOWIRES; GALLIUM NITRIDE; LENGTH; RECOMBINATION;
LIFETIME
AB Minority carrier diffusion lengths (L-d) are measured for GaN, GaN/AlGaN, and GaN/InGaN core-shell nanowires using a technique based on imaging of recombination luminescence. The effect of shell material on transport properties is measured. An AlGaN shell produces L-d values in excess of 1 mu m and a relative insensitivity to wire diameter. An InGaN shell reduces effective diffusion length, while a dependence of L-d on diameter is observed for uncoated nanowires. (C) 2011 American Institute of Physics. [doi:10.1063/1.3573832]
C1 [Baird, Lee; Ong, C. P.; Cole, R. Adam; Haegel, N. M.] USN, Postgrad Sch, Dept Phys, Monterey, CA 93950 USA.
[Talin, A. Alec] Sandia Natl Labs, Livermore, CA 94550 USA.
[Li, Qiming; Wang, George T.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Haegel, NM (reprint author), USN, Postgrad Sch, Dept Phys, Monterey, CA 93950 USA.
EM nmhaegel@nps.edu
RI Wang, George/C-9401-2009
OI Wang, George/0000-0001-9007-0173
FU National Science Foundation [DMR 0804527]; DARPA [61101E]; U.S. DOE,
Office of Basic Energy Sciences (BES) MSE Division; DOE BES; U.S.
Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX This work was supported by National Science Foundation under Grant No.
DMR 0804527 and by a grant from the Nano-MEMS program of DARPA (D.
Polla, Program Manager) (Grant No. 61101E). The growth and structural
characterization was funded by the U.S. DOE, Office of Basic Energy
Sciences (BES) MSE Division and Sandia's Solid State Lighting Science
Energy Frontier Research Center, funded by DOE BES. 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.
NR 25
TC 22
Z9 23
U1 3
U2 35
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD MAR 28
PY 2011
VL 98
IS 13
AR 132104
DI 10.1063/1.3573832
PG 3
WC Physics, Applied
SC Physics
GA 745GJ
UT WOS:000289153600037
ER
PT J
AU Choi, EM
Patnaik, S
Weal, E
Sahonta, SL
Mecklenburg, G
Wang, H
Bi, Z
Xiong, J
Blamire, MG
Jia, QX
MacManus-Driscoll, JL
AF Choi, E-M
Patnaik, S.
Weal, E.
Sahonta, S-L
Mecklenburg, G.
Wang, H.
Bi, Z.
Xiong, J.
Blamire, M. G.
Jia, Q. X.
MacManus-Driscoll, J. L.
TI Strong room temperature magnetism in highly resistive strained thin
films of BiFe0.5Mn0.5O3 (vol 98, 012509, 2011)
SO APPLIED PHYSICS LETTERS
LA English
DT Correction
C1 [Choi, E-M; Patnaik, S.; Weal, E.; Sahonta, S-L; Mecklenburg, G.; Blamire, M. G.; MacManus-Driscoll, J. L.] Univ Cambridge, Dept Mat Sci, Cambridge CB2 3QZ, England.
[Wang, H.; Bi, Z.] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA.
[Xiong, J.; Jia, Q. X.; MacManus-Driscoll, J. L.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Choi, EM (reprint author), Univ Cambridge, Dept Mat Sci, Pembroke St, Cambridge CB2 3QZ, England.
EM jld35@cam.ac.uk
RI Jia, Q. X./C-5194-2008; Wang, Haiyan/P-3550-2014
OI Wang, Haiyan/0000-0002-7397-1209
NR 1
TC 2
Z9 2
U1 0
U2 11
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD MAR 28
PY 2011
VL 98
IS 13
AR 139903
DI 10.1063/1.3565432
PG 1
WC Physics, Applied
SC Physics
GA 745GJ
UT WOS:000289153600108
ER
PT J
AU Reiten, MT
Chowdhury, DR
Zhou, J
Taylor, AJ
O'Hara, JF
Azad, AK
AF Reiten, M. T.
Chowdhury, D. Roy
Zhou, J.
Taylor, A. J.
O'Hara, J. F.
Azad, A. K.
TI Resonance tuning behavior in closely spaced inhomogeneous bilayer
metamaterials
SO APPLIED PHYSICS LETTERS
LA English
DT Article
ID ANTENNAS
AB We have measured the interaction between closely spaced bilayer split ring resonators (SRRs) by varying separation layer and orientation. Terahertz time domain measurements match closely to simulations for arrays separated by a thin micron-scale polyimide layer. Experimental results indicate that bilayer SRRs resonances strongly depend on interlayer coupling tunable by separation and orientation. Simulation shows a relatively high Q resonance (Q approximate to 30) is associated with the "antialigned" SRR pair at separations of lambda/500. Metamaterials tuned through interlayer coupling allows resonances at frequencies lower than the natural resonance of individual SRRs which has implications for electrically small antenna design. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3566978]
C1 [Reiten, M. T.; Chowdhury, D. Roy; Zhou, J.; Taylor, A. J.; O'Hara, J. F.; Azad, A. K.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
RP Reiten, MT (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, POB 1663, Los Alamos, NM 87545 USA.
EM mtreiten@lanl.gov
RI Roy Chowdhury, Dibakar/B-5064-2012; Zhou, Jiangfeng/D-4292-2009;
OI Zhou, Jiangfeng/0000-0002-6958-3342; Azad, Abul/0000-0002-7784-7432
FU U.S. Department of Energy [DE-AC52-06NA25396]; Center for Integrated
Nanotechnologies; IC
FX The authors wish to acknowledge the U.S. Department of Energy
(DE-AC52-06NA25396) through the LANL/LDRD Program, the Center for
Integrated Nanotechnologies, and the IC Postdoctoral Research Program
for support of this research.
NR 16
TC 22
Z9 23
U1 1
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD MAR 28
PY 2011
VL 98
IS 13
AR 131105
DI 10.1063/1.3566978
PG 3
WC Physics, Applied
SC Physics
GA 745GJ
UT WOS:000289153600005
ER
PT J
AU Nagata, T
Brorsen, K
Fedorov, DG
Kitaura, K
Gordon, MS
AF Nagata, Takeshi
Brorsen, Kurt
Fedorov, Dmitri G.
Kitaura, Kazuo
Gordon, Mark S.
TI Fully analytic energy gradient in the fragment molecular orbital method
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; POLARIZABLE CONTINUUM MODEL; DYNAMICS FMO-MD;
AB-INITIO; FORCE-FIELD; PROTEIN-LIGAND; ENZYME CATALYSIS; LARGE SYSTEMS;
SIMULATIONS; WATER
AB The Z-vector equations are derived and implemented for solving the response term due to the external electrostatic potentials, and the corresponding contribution is added to the energy gradients in the framework of the fragment molecular orbital (FMO) method. To practically solve the equations for large molecules like proteins, the equations are decoupled by taking advantage of the local nature of fragments in the FMO method and establishing the self-consistent Z-vector method. The resulting gradients are compared with numerical gradients for the test molecular systems: (H2O)(64), alanine decamer, hydrated chignolin with the protein data bank (PDB) ID of 1UAO, and a Trp-cage miniprotein construct (PDB ID: 1L2Y). The computation time for calculating the response contribution is comparable to or less than that of the FMO self-consistent charge calculation. It is also shown that the energy gradients for the electrostatic dimer approximation are fully analytic, which significantly reduces the computational costs. The fully analytic FMO gradient is parallelized with an efficiency of about 98% on 32 nodes. (C) 2011 American Institute of Physics. [doi:10.1063/1.3568010]
C1 [Nagata, Takeshi; Fedorov, Dmitri G.; Kitaura, Kazuo] Natl Inst Adv Ind Sci & Technol, NRI, Tsukuba, Ibaraki 3058568, Japan.
[Brorsen, Kurt; Gordon, Mark S.] US DOE, Ames Lab, Ames, IA 50011 USA.
[Brorsen, Kurt; Gordon, Mark S.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
[Kitaura, Kazuo] Kyoto Univ, Grad Sch Pharmaceut Sci, Sakyo Ku, Kyoto 6068501, Japan.
RP Nagata, T (reprint author), Natl Inst Adv Ind Sci & Technol, NRI, 1-1-1 Umezono, Tsukuba, Ibaraki 3058568, Japan.
EM takeshi.nagata@aist.go.jp
FU MEXT, Japan; US National Science Foundation; US Department of Energy
FX This work has been supported by the Next Generation Super Computing
Project, Nanoscience Program (MEXT, Japan), and by a US National Science
Foundation Petascale Applications grant. K. B. is supported by a US
Department of Energy Computational Science Graduate Fellowship.
NR 97
TC 57
Z9 57
U1 0
U2 12
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD MAR 28
PY 2011
VL 134
IS 12
AR 124115
DI 10.1063/1.3568010
PG 13
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 745FN
UT WOS:000289151400020
PM 21456653
ER
PT J
AU Yoo, S
Xantheas, SS
AF Yoo, Soohaeng
Xantheas, Sotiris S.
TI Communication: The effect of dispersion corrections on the melting
temperature of liquid water
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; SPACE GAUSSIAN PSEUDOPOTENTIALS; TRANSFERABLE
INTERACTION MODELS; 1ST PRINCIPLES SIMULATIONS; ICE I-H; AMBIENT
CONDITIONS; COMPUTER-SIMULATION; MOLECULAR-DYNAMICS; PHASE-TRANSITION;
POTENTIAL MODEL
AB The melting temperature (T-m) of liquid water with the Becke-Lee-Yang-Parr (BLYP) density functional including dispersion corrections (BLYP-D) and the Thole-type, version 3 (TTM3-F) ab-initio based flexible, polarizable classical potential is reported via constant pressure and constant enthalpy (NPH) molecular dynamics simulations of an ice I-h-liquid coexisting system. Dispersion corrections to BLYP lower T-m to about 360 K, a large improvement over the value of T-m > 400 K previously obtained with the original BLYP functional under the same simulation conditions. For TTM3-F, T-m = 248 K from classical molecular dynamics simulations. (C) 2011 American Institute of Physics. [doi:10.1063/1.3573375]
C1 [Yoo, Soohaeng; Xantheas, Sotiris S.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
RP Yoo, S (reprint author), Pacific NW Natl Lab, Div Chem & Mat Sci, 902 Battelle Blvd,POB 999,MS K1-83, Richland, WA 99352 USA.
EM sotiris.xantheas@pnl.gov
RI Xantheas, Sotiris/L-1239-2015;
OI Xantheas, Sotiris/0000-0002-6303-1037
FU Division of Chemical Sciences, Geosciences and Biosciences, Office of
Basic Sciences, (U.S.) Department of Energy (DOE); DOE's Office of
Biological and Environmental Research
FX Work supported by the Division of Chemical Sciences, Geosciences and
Biosciences, Office of Basic Sciences, (U.S.) Department of Energy
(DOE). Battelle operates the Pacific Northwest National Laboratory for
the DOE. This research was performed in part using the Molecular Science
Computing Facility in the Environmental Molecular Sciences Laboratory, a
national scientific user facility sponsored by the DOE's Office of
Biological and Environmental Research. Additional computer resources
were provided by the Office of Basic Energy Sciences at the National
Energy Research Scientific Computing Center, a DOE's Office of Science
user facility at Lawrence Berkeley National Laboratory.
NR 50
TC 92
Z9 93
U1 1
U2 18
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 MAR 28
PY 2011
VL 134
IS 12
AR 121105
DI 10.1063/1.3573375
PG 4
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 745FN
UT WOS:000289151400005
PM 21456638
ER
PT J
AU Young, RM
Yandell, MA
Neumark, DM
AF Young, Ryan M.
Yandell, Margaret A.
Neumark, Daniel M.
TI Dynamics of electron solvation in I-(CH3OH)(n) clusters (4 <= n <= 11)
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID CHARGE-TRANSFER; PHOTOELECTRON-SPECTROSCOPY; ACETONITRILE CLUSTERS;
MOLECULAR-DYNAMICS; METHANOL CLUSTERS; EXCESS ELECTRONS; EXCITED-STATES;
ASYMMETRIC SOLVATION; FEMTOSECOND DYNAMICS; PROBE SPECTROSCOPY
AB The dynamics of electron solvation following excitation of the charge-transfer-to-solvent precursor state in iodide-doped methanol clusters, I-(CH3OH)(n=4-11), are studied with time-resolved photo-electron imaging. This excitation produces a I-(CH3OH) n-cluster that is unstable with respect to electron autodetachment and whose autodetachment lifetime increases monotonically from similar to 800 fs to 85 ps as n increases from 4 to 11. The vertical detachment energy (VDE) and width of the excited state feature in the photoelectron spectrum show complex time dependence during the lifetime of this state. The VDE decreases over the first 100-400 fs, then rises exponentially to a maximum with a similar to 1 ps time constant, and finally decreases by as much as 180 meV with timescales of 3-20 ps. The early dynamics are associated with electron transfer from the iodide to the methanol cluster, while the longer-time changes in VDE are attributed to solvent reordering, possibly in conjunction with ejection of neutral iodine from the cluster. Changes in the observed width of the spectrum largely follow those of the VDEs; the dynamics of both are attributed to the major rearrangement of the solvent cluster during relaxation. The relaxation dynamics are interpreted as a reorientation of at least one methanol molecule and the disruption and formation of the solvent network in order to accommodate the excess charge. (C) 2011 American Institute of Physics. [doi:10.1063/1.3563720]
C1 [Young, Ryan M.; Yandell, Margaret A.; Neumark, Daniel M.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Neumark, Daniel M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Neumark, DM (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM dneumark@berkeley.edu
RI Neumark, Daniel/B-9551-2009;
OI Neumark, Daniel/0000-0002-3762-9473; Young, Ryan/0000-0002-5108-0261
FU National Science Foundation (NSF) [CHE-0649647]; DOD; (U.S.) Air Force
Office of Scientific Research (US-AFOSR); National Defense Science and
Engineering Graduate (NDSEG) Fellowship [32 CFR 168a]
FX This work was supported by the National Science Foundation
(NSF)(CHE-0649647). M.A.Y. was supported by DOD, (U.S.) Air Force Office
of Scientific Research (US-AFOSR), National Defense Science and
Engineering Graduate (NDSEG) Fellowship, 32 CFR 168a. The authors would
like to thank Professor Knut Asmis for enlightening discussions on ion
microsolvation, and Markus Niemeyer for his work with our data
acquisition software.
NR 74
TC 10
Z9 10
U1 1
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD MAR 28
PY 2011
VL 134
IS 12
AR 124311
DI 10.1063/1.3563720
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 745FN
UT WOS:000289151400033
PM 21456666
ER
PT J
AU Abazov, VM
Abbott, B
Acharya, BS
Adams, M
Adams, T
Alexeev, GD
Alkhazov, G
Alton, A
Alverson, G
Alves, GA
Ancu, LS
Aoki, M
Arov, M
Askew, A
Asman, B
Atramentov, O
Avila, C
BackusMayes, J
Badaud, F
Bagby, L
Baldin, B
Bandurin, DV
Banerjee, S
Barberis, E
Baringer, P
Barreto, J
Bartlett, JF
Bassler, U
Bazterra, V
Beale, S
Bean, A
Begalli, M
Begel, M
Belanger-Champagne, C
Bellantoni, L
Beri, SB
Bernardi, G
Bernhard, R
Bertram, I
Besancon, M
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Blazey, G
Blessing, S
Bloom, K
Boehnlein, A
Boline, D
Bolton, TA
Boos, EE
Borissov, G
Bose, T
Brandt, A
Brandt, O
Brock, R
Brooijmans, G
Bross, A
Brown, D
Brown, J
Bu, XB
Buehler, M
Buescher, V
Bunichev, V
Burdin, S
Burnett, TH
Buszello, CP
Calpas, B
Camacho-Perez, E
Carrasco-Lizarraga, MA
Casey, BCK
Castilla-Valdez, H
Chakrabarti, S
Chakraborty, D
Chan, KM
Chandra, A
Chen, G
Chevalier-Thery, S
Cho, DK
Cho, SW
Choi, S
Choudhary, B
Christoudias, T
Cihangir, S
Claes, D
Clutter, J
Cooke, M
Cooper, WE
Corcoran, M
Couderc, F
Cousinou, MC
Croc, A
Cutts, D
Das, A
Davies, G
De, K
de Jong, SJ
De La Cruz-Burelo, E
Deliot, F
Demarteau, M
Demina, R
Denisov, D
Denisov, SP
Desai, S
DeVaughan, K
Diehl, HT
Diesburg, M
Dominguez, A
Dorland, T
Dubey, A
Dudko, LV
Duggan, D
Duperrin, A
Dutt, S
Dyshkant, A
Eads, M
Edmunds, D
Ellison, J
Elvira, VD
Enari, Y
Evans, H
Evdokimov, A
Evdokimov, VN
Facini, G
Ferbel, T
Fiedler, F
Filthaut, F
Fisher, W
Fisk, HE
Fortner, M
Fox, H
Fuess, S
Gadfort, T
Garcia-Bellido, A
Gavrilov, V
Gay, P
Geist, W
Geng, W
Gerbaudo, D
Gerber, CE
Gershtein, Y
Ginther, G
Golovanov, G
Goussiou, A
Grannis, PD
Greder, S
Greenlee, H
Greenwood, ZD
Gregores, EM
Grenier, G
Gris, P
Grivaz, JF
Grohsjean, A
Grunendahl, S
Grunewald, MW
Guo, F
Gutierrez, G
Gutierrez, P
Haas, A
Hagopian, S
Haley, J
Han, L
Harder, K
Harel, A
Hauptman, JM
Hays, J
Head, T
Hebbeker, T
Hedin, D
Hegab, H
Heinson, AP
Heintz, U
Hensel, C
Heredia-De La Cruz, I
Herner, K
Hildreth, MD
Hirosky, R
Hoang, T
Hobbs, JD
Hoeneisen, B
Hohlfeld, M
Hossain, S
Hubacek, Z
Huske, N
Hynek, V
Iashvili, I
Illingworth, R
Ito, AS
Jabeen, S
Jaffre, M
Jain, S
Jamin, D
Jesik, R
Johns, K
Johnson, M
Johnston, D
Jonckheere, A
Jonsson, P
Joshi, J
Juste, A
Kaadze, K
Kajfasz, E
Karmanov, D
Kasper, PA
Katsanos, I
Kehoe, R
Kermiche, S
Khalatyan, N
Khanov, A
Kharchilava, A
Kharzheev, YN
Khatidze, D
Kirby, MH
Kohli, JM
Kozelov, AV
Kraus, J
Kumar, A
Kupco, A
Kurca, T
Kuzmin, VA
Kvita, J
Lammers, S
Landsberg, G
Lebrun, P
Lee, HS
Lee, SW
Lee, WM
Lellouch, J
Li, L
Li, QZ
Lietti, SM
Lim, JK
Lincoln, D
Linnemann, J
Lipaev, VV
Lipton, R
Liu, Y
Liu, Z
Lobodenko, A
Lokajicek, M
Love, P
Lubatti, HJ
Luna-Garcia, R
Lyon, AL
Maciel, AKA
Mackin, D
Madar, R
Magana-Villalba, R
Malik, S
Malyshev, VL
Maravin, Y
Martinez-Ortega, J
McCarthy, R
McGivern, CL
Meijer, MM
Melnitchouk, A
Menezes, D
Mercadante, PG
Merkin, M
Meyer, A
Meyer, J
Miconi, F
Mondal, NK
Muanza, GS
Mulhearn, M
Nagy, E
Naimuddin, M
Narain, M
Nayyar, R
Neal, HA
Negret, JP
Neustroev, P
Novaes, SF
Nunnemann, T
Obrant, G
Orduna, J
Osman, N
Osta, J
Garzon, GJOY
Owen, M
Padilla, M
Pangilinan, M
Parashar, N
Parihar, V
Park, SK
Parsons, J
Partridge, R
Parua, N
Patwa, A
Penning, B
Perfilov, M
Peters, K
Peters, Y
Petrillo, G
Petroff, P
Piegaia, R
Piper, J
Pleier, MA
Podesta-Lerma, PLM
Podstavkov, VM
Pol, ME
Polozov, P
Popov, AV
Prewitt, M
Price, D
Protopopescu, S
Qian, J
Quadt, A
Quinn, B
Rangel, MS
Ranjan, K
Ratoff, PN
Razumov, I
Renkel, P
Rijssenbeek, M
Ripp-Baudot, I
Rizatdinova, F
Rominsky, M
Royon, C
Rubinov, P
Ruchti, R
Safronov, G
Sajot, G
Sanchez-Hernandez, A
Sanders, MP
Sanghi, B
Santos, AS
Savage, G
Sawyer, L
Scanlon, T
Schamberger, RD
Scheglov, Y
Schellman, H
Schliephake, T
Schlobohm, S
Schwanenberger, C
Schwienhorst, R
Sekaric, J
Severini, H
Shabalina, E
Shary, V
Shchukin, AA
Shivpuri, RK
Simak, V
Sirotenko, V
Skubic, P
Slattery, P
Smirnov, D
Smith, KJ
Snow, GR
Snow, J
Snyder, S
Soldner-Rembold, S
Sonnenschein, L
Sopczak, A
Sosebee, M
Soustruznik, K
Spurlock, B
Stark, J
Stolin, V
Stoyanova, DA
Strauss, M
Strom, D
Stutte, L
Suter, L
Svoisky, P
Takahashi, M
Tanasijczuk, A
Taylor, W
Titov, M
Tokmenin, VV
Tsai, YT
Tsybychev, D
Tuchming, B
Tully, C
Tuts, PM
Uvarov, L
Uvarov, S
Uzunyan, S
Van Kooten, R
van Leeuwen, WM
Varelas, N
Varnes, EW
Vasilyev, IA
Verdier, P
Vertogradov, LS
Verzocchi, M
Vesterinen, M
Vilanova, D
Vint, P
Vokac, P
Wahl, HD
Wang, MHLS
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Demina, R.
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Diesburg, M.
Dominguez, A.
Dorland, T.
Dubey, A.
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Yatsunenko, Y. A.
Ye, Z.
Yin, H.
Yip, K.
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Zelitch, S.
Zhao, T.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
CA D0 Collaboration
TI Search for W H associated production in 5.3 fb(-1) of p(p)over-bar
collisions at the Fermilab Tevatron
SO PHYSICS LETTERS B
LA English
DT Article
DE Tevatron; Standard Model; Higgs boson; Electroweak symmetry breaking
ID MODEL HIGGS-BOSON; STANDARD MODEL; ROOT-S=1.96 TEV; DETECTOR
AB We present a search for associated production of Higgs and W bosons in p (p) over bar collisions at a center of mass energy of root s = 1.96 TeV in 5.3 fb(-1) of integrated luminosity recorded by the DO experiment. Multivariate analysis techniques are applied to events containing one lepton, an imbalance in transverse energy, and one or two b-tagged jets to discriminate a potential WH signal from Standard Model backgrounds. We observe good agreement between data and expected backgrounds, and set an upper limit of 4.5 (at 95% confidence level and for m(H) = 115 GeV) on the ratio of the WH cross section multiplied by the branching fraction of H -> b (b) over bar to its Standard Model prediction, which is consistent with an expected limit of 4.8. (C) 2011 Elsevier B.V. All rights reserved.
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[Chandra, A.; Corcoran, M.; Mackin, D.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA.
[Buehler, M.; Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA.
[BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA.
RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia.
RI Wimpenny, Stephen/K-8848-2013; Fisher, Wade/N-4491-2013; De,
Kaushik/N-1953-2013; Ancu, Lucian Stefan/F-1812-2010; Deliot,
Frederic/F-3321-2014; Sharyy, Viatcheslav/F-9057-2014; Lokajicek,
Milos/G-7800-2014; Kupco, Alexander/G-9713-2014; Kozelov,
Alexander/J-3812-2014; Christoudias, Theodoros/E-7305-2015; Gerbaudo,
Davide/J-4536-2012; Li, Liang/O-1107-2015; Gutierrez,
Phillip/C-1161-2011; Bolton, Tim/A-7951-2012; bu, xuebing/D-1121-2012;
Alves, Gilvan/C-4007-2013; Yip, Kin/D-6860-2013; Merkin,
Mikhail/D-6809-2012; Dudko, Lev/D-7127-2012; Perfilov,
Maxim/E-1064-2012; Boos, Eduard/D-9748-2012; Novaes, Sergio/D-3532-2012;
Santos, Angelo/K-5552-2012; Mercadante, Pedro/K-1918-2012
OI Williams, Mark/0000-0001-5448-4213; Price, Darren/0000-0003-2750-9977;
Bertram, Iain/0000-0003-4073-4941; Belanger-Champagne,
Camille/0000-0003-2368-2617; Wimpenny, Stephen/0000-0003-0505-4908; De,
Kaushik/0000-0002-5647-4489; Ancu, Lucian Stefan/0000-0001-5068-6723;
Sharyy, Viatcheslav/0000-0002-7161-2616; Christoudias,
Theodoros/0000-0001-9050-3880; Gerbaudo, Davide/0000-0002-4463-0878; Li,
Liang/0000-0001-6411-6107; Yip, Kin/0000-0002-8576-4311; Dudko,
Lev/0000-0002-4462-3192; Novaes, Sergio/0000-0003-0471-8549;
FU DOE (USA); NSF (USA); CEA (France); CNRS/IN2P3 (France); FASI (Russia);
Rosatom (Russia); RFBR (Russia); CNPq (Brazil); FAPERJ (Brazil); FAPESP
(Brazil); FUNDUNESP (Brazil); DAE (India); DST (India); Colciencias
(Colombia); CONACyT (Mexico); KRF (Korea); KOSEF (Korea); CONICET
(Argentina); UBACyT (Argentina); FOM (The Netherlands); STFC (United
Kingdom); Royal Society (United Kingdom); MSMT (Czech Republic); GACR
(Czech Republic); CRC Program (Canada); NSERC (Canada); BMBF (Germany);
DFG (Germany); SFI (Ireland); Swedish Research Council (Sweden); CAS
(China); CNSF (China)
FX We thank the staffs at Fermilab and collaborating institutions, and
acknowledge support from the DOE and NSF (USA); CEA and CNRS/IN2P3
(France); FASI, Rosatom and RFBR (Russia); CNPq, FAPERJ, FAPESP and
FUNDUNESP (Brazil); DAE and DST (India): Colciencias (Colombia); CONACyT
(Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM
(The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and
GACR (Czech Republic); CRC Program and NSERC (Canada); BMBF and DFG
(Germany); SFI (Ireland); The Swedish Research Council (Sweden); and CAS
and CNSF (China).
NR 46
TC 18
Z9 18
U1 0
U2 6
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
EI 1873-2445
J9 PHYS LETT B
JI Phys. Lett. B
PD MAR 28
PY 2011
VL 698
IS 1
BP 6
EP 13
DI 10.1016/j.physletb.2011.02.036
PG 8
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 744YR
UT WOS:000289131600002
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CA CMS Collaboration
TI Search for a heavy gauge boson W ' in the final state with an electron
and large missing transverse energy in pp collisions at root s=7 TeV
SO PHYSICS LETTERS B
LA English
DT Article
DE CMS; Physics; Particle physics; LHC
ID VIOLATION; SYMMETRY
AB A search for a heavy gauge boson W' has been conducted by the CMS experiment at the LHC in the decay channel with an electron and large transverse energy imbalance E-T(miss), using proton-proton collision data corresponding to an integrated luminosity of 36 pb(-1). No excess above standard model expectations is seen in the transverse mass distribution of the electron-E-T(miss) system. Assuming standard-model-like couplings and decay branching fractions, a W' boson with a mass less than 1.36 TeV/c(2) is excluded at 95% confidence level. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
C1 [Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Broccolo, G.; Castaldi, R.; D'Agnolo, R. T.; Dell'Orso, R.; Fiori, F.; Foa, L.; Giassi, A.; Kraan, A.; Ligabue, F.; Lomtadze, T.; Martini, L.; Messineo, A.; Palla, F.; Palmonari, F.; Sarkar, S.; Segneri, G.; Serban, A. T.; Spagnolo, P.; Tenchini, R.; Tonelli, G.; Venturi, A.; Verdini, P. G.] INFN Sez Pisa, Pisa, Italy.
[Adam, W.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Haensel, S.; Hartl, C.; Hoch, M.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kasieczka, G.; Kiesenhofer, W.; Krammer, M.; Liko, D.; Mikulec, I.; Pernicka, M.; Rohringer, H.; Schoefbeck, R.; Strauss, J.; Taurok, A.; Teischinger, F.; Waltenberger, W.; Walzel, G.; Widl, E.; Wulz, C. -E.] OeAW, Inst Hochenergiephys, Vienna, Austria.
[Mossolov, V.; Shumeiko, N.; Gonzalez, J. Suarez] Natl Ctr Particle & High Energy Phys, Minsk, Byelarus.
[Benucci, L.; Cerny, K.; De Wolf, E. A.; Janssen, X.; Maes, T.; Mucibello, L.; Ochesanu, S.; Roland, B.; Rougny, R.; Selvaggi, M.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.] Univ Antwerp, B-2020 Antwerp, Belgium.
[Adler, V.; Beauceron, S.; Blekman, F.; Blyweert, S.; D'Hondt, J.; Devroede, O.; Suarez, R. Gonzalez; Kalogeropoulos, A.; Maes, J.; Maes, M.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.] Vrije Univ Brussel, Brussels, Belgium.
[Charaf, O.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P. R.; Hammad, G. H.; Hreus, T.; Marage, P. E.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Wickens, J.] Univ Libre Brussels, Brussels, Belgium.
[Costantini, S.; Grunewald, M.; Klein, B.; Marinov, A.; Mccartin, J.; Ryckbosch, D.; Thyssen, F.; Tytgat, M.; Vanelderen, L.; Verwilligen, P.; Walsh, S.; Zaganidis, N.] Univ Ghent, B-9000 Ghent, Belgium.
[Basegmez, S.; Bruno, G.; Caudron, J.; Ceard, L.; De Jeneret, J. De Favereau; Delaere, C.; Demin, P.; Favart, D.; Giammanco, A.; Gregoire, G.; Hollar, J.; Lemaitre, V.; Liao, J.; Militaru, O.; Ovyn, S.; Pagano, D.; Pin, A.; Piotrzkowski, K.; Schul, N.] Catholic Univ Louvain, B-1348 Louvain, Belgium.
[Beliy, N.; Caebergs, T.; Daubie, E.] Univ Mons, B-7000 Mons, Belgium.
[Alves, G. A.; Damiao, D. De Jesus; Pol, M. E.; Souza, M. H. G.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Carvalho, W.; Da Costa, E. M.; Martins, C. De Oliveira; De Souza, S. Fonseca; Mundim, L.; Nogima, H.; Oguri, V.; Prado Da Silva, W. L.; Santoro, A.; Silva Do Amaral, S. M.; Sznajder, A.] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil.
[Dias, F. A.; Dias, M. A. F.; Fernandez Perez Tomei, T. R.; Gregores, E. M.; Marinho, F.; Novaes, S. F.; Padula, Sandra S.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Darmenov, N.; Dimitrov, L.; Genchev, V.; Iaydjiev, P.; Piperov, S.; Rodozov, M.; Stoykova, S.; Sultanov, G.; Tcholakov, V.; Trayanov, R.; Vankov, I.] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria.
[Dyulendarova, M.; Hadjiiska, R.; Kozhuharov, V.; Litov, L.; Marinova, E.; Mateev, M.; Pavlov, B.; Petkov, P.] Univ Sofia, BU-1126 Sofia, Bulgaria.
[Bian, J. G.; Chen, G. M.; Chen, H. S.; Jiang, C. H.; Liang, D.; Liang, S.; Wang, J.; Wang, J.; Wang, X.; Wang, Z.; Xu, M.; Yang, M.; Zang, J.; Zhang, Z.] Inst High Energy Phys, Beijing 100039, Peoples R China.
[Ban, Y.; Guo, S.; Guo, Y.; Li, W.; Mao, Y.; Qian, S. J.; Teng, H.; Zhang, L.; Zhu, B.; Zou, W.] Peking Univ, State Key Lab Nucl Phys & Tech, Beijing 100871, Peoples R China.
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[Godinovic, N.; Lelas, D.; Lelas, K.; Plestina, R.; Polic, D.; Puljak, I.] Tech Univ Split, Split, Croatia.
[Antunovic, Z.; Dzelalija, M.] Univ Split, Split, Croatia.
[Brigljevic, V.; Duric, S.; Kadija, K.; Morovic, S.] Rudjer Boskovic Inst, Zagreb, Croatia.
[Attikis, A.; Galanti, M.; Mousa, J.; Nicolaou, C.; Ptochos, F.; Razis, P. A.; Rykaczewski, H.] Univ Cyprus, Nicosia, Cyprus.
[Assran, Y.; Mahmoud, M. A.] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, Cairo, Egypt.
[Hektor, A.; Kadastik, M.; Kannike, K.; Muentel, M.; Raidal, M.; Rebane, L.] NICPB, Tallinn, Estonia.
[Azzolini, V.; Eerola, P.] Univ Helsinki, Dept Phys, Helsinki, Finland.
[Czellar, S.; Harkonen, J.; Heikkinen, A.; Karimaki, V.; Kinnunen, R.; Klem, J.; Kortelainen, M. J.; Lampen, T.; Lassila-Perini, K.; Lehti, S.; Linden, T.; Luukka, P.; Maenpaa, T.; Tuominen, E.; Tuominiemi, J.; Tuovinen, E.; Ungaro, D.; Wendland, L.] Helsinki Inst Phys, Helsinki, Finland.
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[Plestina, R.; Baffioni, S.; Beaudette, F.; Bianchini, L.; Bluj, M.; Broutin, C.; Busson, P.; Charlot, C.; Dahms, T.; Dobrzynski, L.; de Cassagnac, R. Granier; Haguenauer, M.; Mine, P.; Mironov, C.; Ochando, C.; Paganini, P.; Sabes, D.; Salerno, R.; Sirois, Y.; Thiebaux, C.; Wyslouch, B.; Zabi, A.; Bernet, C.] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France.
[Agram, J. -L.; Andrea, J.; Besson, A.; Bloch, D.; Bodin, D.; Brom, J. -M.; Cardaci, M.; Chabert, E. C.; Collard, C.; Conte, E.; Drouhin, F.; Ferro, C.; Fontaine, J. -C.; Gele, D.; Goerlach, U.; Greder, S.; Juillot, P.; Karim, M.; Le Bihan, A. -C.; Mikami, Y.; Van Hove, P.] Univ Haute Alsace Mulhouse, Univ Strasbourg, Inst Pluridisciplinaire Hubert Curien, CNRS,IN2P3, Strasbourg, France.
[Fassi, F.; Mercier, D.] IN2P3, Ctr Calcul, Villeurbanne, France.
[Baty, C.; Beaupere, N.; Bedjidian, M.; Bondu, O.; Boudoul, G.; Boumediene, D.; Brun, H.; Chanon, N.; Chierici, R.; Contardo, D.; Depasse, P.; El Mamouni, H.; Falkiewicz, A.; Fay, J.; Gascon, S.; Ille, B.; Kurca, T.; Le Grand, T.; Lethuillier, M.; Mirabito, L.; Perries, S.; Sordini, V.; Tosi, S.; Tschudi, Y.; Verdier, P.; Xiao, H.] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France.
[Roinishvili, V.] Georgian Acad Sci, E Andronikashvili Inst Phys, GE-380060 Tbilisi, Rep of Georgia.
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[Ata, M.; Bender, W.; Erdmann, M.; Frangenheim, J.; Hebbeker, T.; Hinzmann, A.; Hoepfner, K.; Hof, C.; Klimkovich, T.; Klingebiel, D.; Kreuzer, P.; Lanske, D.; Magass, C.; Masetti, G.; Merschmeyer, M.; Meyer, A.; Papacz, P.; Pieta, H.; Reithler, H.; Schmitz, S. A.; Sonnenschein, L.; Steggemann, J.; Teyssier, D.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Bontenackels, M.; Davids, M.; Duda, M.; Fluegge, G.; Geenen, H.; Giffels, M.; Ahmad, W. Haj; Heydhausen, D.; Kress, T.; Kuessel, Y.; Linn, A.; Nowack, A.; Perchalla, L.; Pooth, O.; Rennefeld, J.; Sauerland, P.; Stahl, A.; Thomas, M.; Tornier, D.; Zoeller, M. H.] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany.
[Martin, M. Aldaya; Behrenhoff, W.; Behrens, U.; Bergholz, M.; Borras, K.; Cakir, A.; Campbell, A.; Castro, E.; Dammann, D.; Eckerlin, G.; Eckstein, D.; Flossdorf, A.; Flucke, G.; Geiser, A.; Glushkov, I.; Hauk, J.; Jung, H.; Kasemann, M.; Katkov, I.; Katsas, P.; Kleinwort, C.; Kluge, H.; Knutsson, A.; Kruecker, D.; Kuznetsova, E.; Lange, W.; Lohmann, W.; Mankel, R.; Marienfeld, M.; Melzer-Pellmann, I. -A.; Meyer, A. B.; Mnich, J.; Mussgiller, A.; Olzem, J.; Parenti, A.; Raspereza, A.; Raval, A.; Schmidt, R.; Schoerner-Sadenius, T.; Sen, N.; Stein, M.; Tomaszewska, J.; Volyanskyy, D.; Walsh, R.; Wissing, C.] DESY, Hamburg, Germany.
[Autermann, C.; Bobrovskyi, S.; Draeger, J.; Enderle, H.; Gebbert, U.; Kaschube, K.; Kaussen, G.; Klanner, R.; Lange, J.; Mura, B.; Naumann-Emme, S.; Nowak, F.; Pietsch, N.; Sander, C.; Schettler, H.; Schleper, P.; Schroeder, M.; Schum, T.; Schwandt, J.; Srivastava, A. K.; Stadie, H.; Steinbrueck, G.; Thomsen, J.; Wolf, R.] Univ Hamburg, Hamburg, Germany.
[Barth, C.; Bauer, J.; Buege, V.; Chwalek, T.; De Boer, W.; Dierlamm, A.; Dirkes, G.; Feindt, M.; Gruschke, J.; Hackstein, C.; Hartmann, F.; Heindl, S. M.; Heinrich, M.; Held, H.; Hoffmann, K. H.; Honc, S.; Kuhr, T.; Martschei, D.; Mueller, S.; Mueller, Th; Niegel, M.; Oberst, O.; Oehler, A.; Ott, J.; Peiffer, T.; Piparo, D.; Quast, G.; Rabbertz, K.; Ratnikov, F.; Renz, M.; Saout, C.; Scheurer, A.; Schieferdecker, P.; Schilling, F. -R; Schott, G.; Simonis, H. J.; Stober, F. M.; Troendle, D.; Wagner-Kuhr, J.; Zeise, M.; Zhukov, V.; Ziebarth, E. B.] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany.
[Daskalakis, G.; Geralis, T.; Kesisoglou, S.; Kyriakis, A.; Loukas, D.; Manolakos, I.; Markou, A.; Markou, C.; Mavrommatis, C.; Ntomari, E.; Petrakou, E.] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece.
[Gouskos, L.; Mertzimekis, T. J.; Panagiotou, A.; Sphicas, P.] Univ Athens, Athens, Greece.
[Evangelou, I.; Foudas, C.; Kokkas, P.; Manthos, N.; Papadopoulos, I.; Patras, V.; Triantis, F. A.] Univ Ioannina, GR-45110 Ioannina, Greece.
[Aranyi, A.; Bencze, G.; Boldizsar, L.; Debreczeni, G.; Hajdu, C.; Horvath, D.; Kapusi, A.; Krajczar, K.; Laszlo, A.; Sikler, F.; Vesztergombi, G.; Pasztor, G.] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary.
[Horvath, D.; Beni, N.; Molnar, J.; Palinkas, J.; Szillasi, Z.; Veszpremi, V.] Inst Nucl Res ATOMKI, Debrecen, Hungary.
[Raics, P.; Trocsanyi, Z. L.; Ujvari, B.] Univ Debrecen, Debrecen, Hungary.
[Bansal, S.; Beri, S. B.; Bhatnagar, V.; Dhingra, N.; Gupta, R.; Jindal, M.; Kaur, M.; Kohli, J. M.; Mehta, M. Z.; Nishu, N.; Saini, L. K.; Sharma, A.; Sharma, R.; Singh, A. P.; Singh, J. B.; Singh, S. P.] Panjab Univ, Chandigarh 160014, India.
[Ahuja, S.; Bhattacharya, S.; Choudhary, B. C.; Gupta, P.; Jain, S.; Jain, S.; Kumar, A.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India.
[Choudhury, R. K.; Dutta, D.; Kailas, S.; Kataria, S. K.; Mohanty, A. K.; Pant, L. M.; Shukla, P.] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India.
[Aziz, T.; Guchait, M.; Gurtu, A.; Maity, M.; Majumder, D.; Majumder, G.; Mazumdar, K.; Mohanty, G. B.; Saha, A.; Sudhakar, K.; Wickramage, N.] Tata Inst Fundamental Res EHEP, Mumbai, Maharashtra, India.
[Guchait, M.; Banerjee, S.; Dugad, S.; Mondal, N. K.] Tata Inst Fundamental Res HECR, Mumbai, Maharashtra, India.
[Arfaei, H.; Bakhshiansohi, H.; Etesami, S. M.; Fahim, A.; Hashemi, M.; Jafari, A.; Khakzad, M.; Mohammadi, A.; Najafabadi, M. Mohammadi; Mehdiabadi, S. Paktinat; Safarzadeh, B.; Zeinali, M.] Inst Studies Theoret Phys & Math IPM, Tehran, Iran.
[Abbrescia, M.; Barbone, L.; Calabria, C.; Colaleo, A.; Creanza, D.; De Filippis, N.; De Palma, M.; Dimitrov, A.; Fiore, L.; Iaselli, G.; Lusito, L.; Maggi, G.; Maggi, M.; Manna, N.; Marangelli, B.; My, S.; Nuzzo, S.; Pacifico, N.; Pierro, G. A.; Pompili, A.; Pugliese, G.; Romano, F.; Roselli, G.; Selvaggi, G.; Silvestris, L.; Trentadue, R.; Tupputi, S.; Zito, G.] INFN Sez Bari, Bari, Italy.
[Abbrescia, M.; Barbone, L.; Calabria, C.; De Palma, M.; Lusito, L.; Manna, N.; Marangelli, B.; Nuzzo, S.; Pacifico, N.; Pompili, A.; Roselli, G.; Selvaggi, G.; Tupputi, S.] Univ Bari, Bari, Italy.
[Creanza, D.; De Filippis, N.; Iaselli, G.; Maggi, G.; My, S.; Pugliese, G.; Romano, F.] Politecn Bari, Bari, Italy.
[Abbiendi, G.; Benvenuti, A. C.; Bonacorsi, D.; Braibant-Giacomelli, S.; Brigliadori, L.; Capiluppi, P.; Castro, A.; Cavallo, F. R.; Cuffiani, M.; Dallavalle, G. M.; Fabbri, F.; Fanfani, A.; Fasanella, D.; Giacomelli, P.; Giunta, M.; Grandi, C.; Marcellini, S.; Meneghelli, M.; Montanari, A.; Navarria, F. L.; Odorici, F.; Perrotta, A.; Primavera, F.; Rossi, A. M.; Rovelli, T.; Siroli, G.] INFN Sez Bologna, Bologna, Italy.
[Braibant-Giacomelli, S.; Capiluppi, P.; Castro, A.; Cuffiani, M.; Fanfani, A.; Meneghelli, M.; Navarria, F. L.; Rossi, A. M.; Rovelli, T.; Siroli, G.] Univ Bologna, Bologna, Italy.
[Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Tricomi, A.; Tuve, C.] INFN Sez Catania, Catania, Italy.
[Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Tricomi, A.] Univ Catania, Catania, Italy.
[Barbagli, G.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Gallo, E.; Genta, C.; Lenzi, P.; Meschini, M.; Paoletti, S.; Sguazzoni, G.; Tropiano, A.] INFN Sez Firenze, Florence, Italy.
[Ciulli, V.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Lenzi, P.] Univ Florence, Florence, Italy.
[Fabbri, F.; Benussi, L.; Bianco, S.; Colafranceschi, S.; Piccolo, D.] INFN Lab Nazl Frascati, Frascati, Italy.
[Fabbricatore, P.; Musenich, R.] INFN Sez Genova, Genoa, Italy.
[Benaglia, A.; De Guio, F.; Di Matteo, L.; Ghezzi, A.; Malberti, M.; Malvezzi, S.; Martelli, A.; Massironi, A.; Menasce, D.; Moroni, L.; Paganoni, M.; Pedrini, D.; Ragazzi, S.; Redaelli, N.; Sala, S.; de Fatis, T. Tabarelli; Tancini, V.] INFN Sez Milano Biccoca, Milan, Italy.
[Benaglia, A.; De Guio, F.; Di Matteo, L.; Ghezzi, A.; Malberti, M.; Martelli, A.; Massironi, A.; Paganoni, M.; Ragazzi, S.; de Fatis, T. Tabarelli; Tancini, V.] Univ Milano Bicocca, Milan, Italy.
[Buontempo, S.; Montoya, C. A. Carrillo; Cimmino, A.; De Cosa, A.; De Gruttola, M.; Fabozzi, F.; Iorio, A. O. M.; Lista, L.; Merola, M.; Noli, P.; Paolucci, P.] INFN Sez Napoli, Naples, Italy.
[Cimmino, A.; De Cosa, A.; De Gruttola, M.; Merola, M.; Noli, P.] Univ Naples Federico II, Naples, Italy.
[Azzi, P.; Bacchetta, N.; Bellan, P.; Bisello, D.; Branca, A.; Carlin, R.; Checchia, P.; De Mattia, M.; Dorigo, T.; Dosselli, U.; Gasparini, F.; Gasparini, U.; Giubilato, P.; Gresele, A.; Lacaprara, S.; Lazzizzera, I.; Margoni, M.; Maron, G.; Meneguzzo, A. T.; Nespolo, M.; Passaseo, M.; Perrozzi, L.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Torassa, E.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] INFN Sez Padova, Padua, Italy.
[Bellan, P.; Bisello, D.; Carlin, R.; De Mattia, M.; Gasparini, F.; Gasparini, U.; Giubilato, P.; Margoni, M.; Meneguzzo, A. T.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] Univ Padua, Padua, Italy.
[Gresele, A.; Lazzizzera, I.] Univ Trento Trento, Padua, Italy.
[Baesso, P.; Berzano, U.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] INFN Sez Pavia, Pavia, Italy.
[Baesso, P.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Univ Pavia, I-27100 Pavia, Italy.
[Biasini, M.; Bilei, G. M.; Caponeri, B.; Fano, L.; Lariccia, P.; Lucaroni, A.; Mantovani, G.; Menichelli, M.; Nappi, A.; Santocchia, A.; Servoli, L.; Taroni, S.; Valdata, M.; Volpe, R.; Pioppi, M.] INFN Sez Perugia, Perugia, Italy.
[Biasini, M.; Caponeri, B.; Fano, L.; Lariccia, P.; Lucaroni, A.; Mantovani, G.; Nappi, A.; Santocchia, A.; Taroni, S.; Valdata, M.; Volpe, R.; Pioppi, M.] Univ Perugia, I-06100 Perugia, Italy.
[Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Bernardini, J.; Fiori, F.; Messineo, A.; Tonelli, G.] Univ Pisa, Pisa, Italy.
[Azzurri, P.; Broccolo, G.; D'Agnolo, R. T.; Foa, L.; Ligabue, F.; Sarkar, S.] Scuola Normale Super Pisa, Pisa, Italy.
[Barone, L.; Cavallari, F.; Del Re, D.; Di Marco, E.; Diemoz, M.; Franci, D.; Grassi, M.; Longo, E.; Organtini, G.; Palma, A.; Pandolfi, F.; Paramatti, R.; Rahatlou, S.; Rovelli, C.] INFN Sez Roma, Rome, Italy.
[Colafranceschi, S.] Univ Roma La Sapienza, Fac Ingn, Rome, Italy.
[Amapane, N.; Arcidiacono, R.; Argiro, S.; Arneodo, M.; Biino, C.; Botta, C.; Cartiglia, N.; Castello, R.; Costa, M.; Demaria, N.; Graziano, A.; Mariotti, C.; Marone, M.; Maselli, S.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Obertino, M. M.; Pastrone, N.; Pelliccioni, M.; Romero, A.; Ruspa, M.; Sacchi, R.; Sola, V.; Solano, A.; Staiano, A.; Trocino, D.; Pereira, A. Vilela] INFN Sez Torino, Turin, Italy.
[Amapane, N.; Argiro, S.; Botta, C.; Castello, R.; Costa, M.; Graziano, A.; Marone, M.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Pelliccioni, M.; Romero, A.; Sacchi, R.; Sola, V.; Solano, A.; Trocino, D.; Pereira, A. Vilela] Univ Turin, Turin, Italy.
[Arcidiacono, R.; Arneodo, M.; Obertino, M. M.; Ruspa, M.] Univ Piemonte Orientale Novara, Turin, Italy.
[Ambroglini, F.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; Montanino, D.; Penzo, A.] INFN Sez Trieste, Trieste, Italy.
[Ambroglini, F.; Della Ricca, G.; Montanino, D.] Univ Trieste, Trieste, Italy.
[Heo, S. G.] Kangwon Natl Univ, Chunchon, South Korea.
[Chang, S.; Chung, J.; Kim, D. H.; Kim, G. N.; Kim, J. E.; Kong, D. J.; Park, H.; Son, D.; Son, D. C.] Kyungpook Natl Univ, Taegu, South Korea.
[Kim, Zero; Kim, J. Y.; Song, S.] Chonnam Natl Univ, Inst Univ & Elementary Particles, Kwangju, South Korea.
[Choi, S.; Hong, B.; Jo, M.; Kim, H.; Kim, J. H.; Kim, T. J.; Lee, K. S.; Moon, D. H.; Park, S. K.; Rhee, H. B.; Seo, E.; Shin, S.; Sim, K. S.] Korea Univ, Seoul, South Korea.
[Choi, M.; Kang, S.; Kim, H.; Park, C.; Park, I. C.; Park, S.; Ryu, G.] Univ Seoul, Seoul, South Korea.
[Choi, Y.; Choi, Y. K.; Goh, J.; Lee, J.; Lee, S.; Seo, H.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea.
[Bilinskas, M. J.; Grigelionis, I.; Janulis, M.; Martisiute, D.; Petrov, P.; Sabonis, T.] Vilnius Univ, Vilnius, Lithuania.
[Castilla Valdez, H.; De La Cruz Burelo, E.; Lopez-Fernandez, R.; Sanchez Hernandez, A.; Villasenor-Cendejas, L. M.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico.
[Carrillo Moreno, S.; Vazquez Valencia, F.] Univ Iberoamer, Mexico City, DF, Mexico.
[Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
[Casimiro Linares, E.; Morelos Pineda, A.; Reyes-Santos, M. A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico.
[Allfrey, P.; Krofcheck, D.] Univ Auckland, Auckland 1, New Zealand.
[Butler, P. H.; Doesburg, R.; Silverwood, H.] Univ Canterbury, Christchurch 1, New Zealand.
[Ahmad, M.; Ahmed, I.; Asghar, M. I.; Hoorani, H. R.; Khan, W. A.; Khurshid, T.; Qazi, S.] Quaid I Azam Univ, Natl Ctr Phys, Islamabad, Pakistan.
[Cwiok, M.; Dominik, W.; Doroba, K.; Kalinowski, A.; Konecki, M.; Krolikowski, J.] Univ Warsaw, Inst Expt Phys, Fac Phys, Warsaw, Poland.
[Bluj, M.; Frueboes, T.; Gokieli, R.; Gorski, M.; Kazana, M.; Nawrocki, K.; Romanowska-Rybinska, K.; Szleper, M.; Wrochna, G.; Zalewski, P.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland.
[Almeida, N.; David, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Martins, P.; Musella, P.; Nayak, A.; Ribeiro, P. Q.; Seixas, J.; Silva, P.; Varela, J.; Woehri, H. K.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal.
[Belotelov, I.; Bunin, P.; Finger, M., Jr.; Finger, M.; Golutvin, I.; Kamenev, A.; Karjavin, V.; Kozlov, G.; Lanev, A.; Moisenz, P.; Palichik, V.; Perelygin, V.; Shmatov, S.; Smirnov, V.; Volodko, A.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia.
[Bondar, N.; Golovtsov, V.; Ivanov, Y.; Kim, V.; Levchenko, R.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Andreev, Yu; Gninenko, S.; Golubev, N.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Toropin, A.; Troitsky, S.; Musienko, Y.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
[Epshteyn, V.; Gavrilov, V.; Kaftanov, V.; Kossov, M.; Krokhotin, A.; Lychkovskaya, N.; Safronov, G.; Semenov, S.; Stolin, V.; Vlasov, E.; Zhokin, A.; Starodumov, A.; Nikitenko, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Zhukov, V.; Boos, E.; Dubinin, M.; Dudko, L.; Ershov, A.; Gribushin, A.; Kodolova, O.; Lokhtin, I.; Obraztsov, S.; Petrushanko, S.; Sarycheva, L.; Savrin, V.; Snigirev, A.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia.
[Azhgirey, I.; Bitioukov, S.; Grishin, V.; Kachanov, V.; Konstantinov, D.; Korablev, A.; Krychkine, V.; Petrov, V.; Ryutin, R.; Slabospitsky, S.; Sobol, A.; Tourtchanovitch, L.; Troshin, S.; Tyurin, N.; Uzunian, A.; Volkov, A.] State Res Ctr Russian Federat, Inst High Energy Phys, Protvino, Russia.
[Adzic, P.; Djordjevic, M.; Krpic, D.; Milosevic, J.; Milenovic, P.] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia.
[Adzic, P.; Djordjevic, M.; Krpic, D.; Milosevic, J.; Milenovic, P.] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade 11001, Serbia.
[Aguilar-Benitez, M.; Alcaraz Maestre, J.; Arce, P.; Battilana, C.; Calvo, E.; Cepeda, M.; Cerrada, M.; Colino, N.; De La Cruz, B.; Diez Pardos, C.; Dominguez Vazquez, D.; Fernandez Bedoya, C.; Fernandez Ramos, J. P.; Ferrando, A.; Flix, J.; Fouz, M. C.; Garcia-Abia, P.; Gonzalez Lopez, O.; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; Merino, G.; Puerta Pelayo, J.; Redondo, I.; Romero, L.; Santaolalla, J.; Willmott, C.] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain.
[Albajar, C.; Codispoti, G.; de Troconiz, J. F.] Univ Autonoma Madrid, Madrid, Spain.
[Cuevas, J.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain.
[Brochero Cifuentes, J. A.; Cabrillo, I. J.; Calderon, A.; Chamizo Llatas, M.; Chuang, S. H.; Duarte Campderros, J.; Felcini, M.; Fernandez, M.; Gomez, G.; Gonzalez Sanchez, J.; Jorda, C.; Lobelle Pardo, P.; Lopez Virto, A.; Marco, J.; Marco, R.; Martinez Rivero, C.; Matorras, F.; Munoz Sanchez, F. J.; Piedra Gomez, J.; Rodrigo, T.; Ruiz Jimeno, A.; Scodellaro, L.; Sobron Sanudo, M.; Vila, I.; Vilar Cortabitarte, R.] Univ Cantabria, Inst Fis Cantabria IFCA, CSIC, E-39005 Santander, Spain.
[Hammer, J.; Darmenov, N.; Genchev, V.; Iaydjiev, P.; Panagiotou, A.; Hajdu, C.; Mohanty, A. K.; Lusito, L.; Chiorboli, M.; Tropiano, A.; De Guio, F.; Ghezzi, A.; Perrozzi, L.; Lucaroni, A.; Boccali, T.; Tonelli, G.; Venturi, A.; Pandolfi, F.; Botta, C.; Graziano, A.; Pelliccioni, M.; Pereira, A. Vilela; Varela, J.; Kossov, M.; Grishin, V.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Baillon, P.; Ball, A. H.; Barney, D.; Bell, A. J.; Benedetti, D.; Bernet, C.; Bialas, W.; Bloch, P.; Bocci, A.; Bolognesi, S.; Breuker, H.; Brona, G.; Bunkowski, K.; Camporesi, T.; Cano, E.; Cerminara, G.; Christiansen, T.; Perez, J. A. Coarasa; Cure, B.; D'Enterria, D.; De Roeck, A.; Ramos, F. Duarte; Elliott-Peisert, A.; Frisch, B.; Funk, W.; Gaddi, A.; Gennai, S.; Georgiou, G.; Gerwig, H.; Gigi, D.; Gill, K.; Giordano, D.; Glege, F.; Garrido, R. Gomez-Reino; Gouzevitch, M.; Govoni, P.; Gowdy, S.; Guiducci, L.; Hansen, M.; Harvey, J.; Hegeman, J.; Hegner, B.; Henderson, C.; Hesketh, G.; Hoffmann, H. F.; Honma, A.; Innocente, V.; Janot, P.; Karavakis, E.; Lecoq, P.; Leonidopoulos, C.; Lourenco, C.; Macpherson, A.; Maeki, T.; Malgeri, L.; Mannelli, M.; Masetti, L.; Meijers, F.; Mersi, S.; Meschi, E.; Moser, R.; Mozer, M. U.; Mulders, M.; Nesvold, E.; Nguyen, M.; Orimoto, T.; Orsini, L.; Perez, E.; Petrilli, A.; Pfeiffer, A.; Pierini, M.; Pimiae, M.; Polese, G.; Racz, A.; Antunes, J. Rodrigues; Rolandi, G.; Rommerskirchen, T.; Rovelli, C.; Rovere, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Segoni, I.; Sharma, A.; Siegrist, P.; Simon, M.; Sphicas, P.; Spiga, D.; Spiropulu, M.; Stoeckli, F.; Stoye, M.; Tropea, P.; Tsirou, A.; Tsyganov, A.; Veres, G. I.; Vichoudis, P.; Voutilainen, M.; Zeuner, W. D.; Sharma, V.; Hall-Wilton, R.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[Bertl, W.; Deiters, K.; Erdmann, W.; Gabathuler, K.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Koenig, S.; Kotlinski, D.; Langenegger, U.; Meier, F.; Renker, D.; Rohe, T.; Sibille, J.; Starodumov, A.; Caminada, L.; Marchica, C.] Paul Scherrer Inst, Villigen, Switzerland.
[Bortignon, P.; Caminada, L.; Chen, Z.; Cittolin, S.; Dissertori, G.; Dittmar, M.; Eugster, J.; Freudenreich, K.; Grab, C.; Herve, A.; Hintz, W.; Lecomte, P.; Lustermann, W.; Marchica, C.; del Arbol, P. Martinez Ruiz; Meridiani, P.; Milenovic, P.; Moortgat, F.; Nef, P.; Nessi-Tedaldi, F.; Pape, L.; Pauss, F.; Punz, T.; Rizzi, A.; Ronga, F. J.; Rossini, M.; Sala, L.; Sanchez, A. K.; Sawley, M. -C.; Stieger, B.; Tauscher, L.; Thea, A.; Theofilatos, K.; Treille, D.; Urscheler, C.; Wallny, R.; Weber, M.; Wehrli, L.; Weng, J.] Swiss Fed Inst Technol, Inst Particle Phys, Zurich, Switzerland.
[Aguilo, E.; Amsler, C.; Chiochia, V.; De Visscher, S.; Favaro, C.; Rikova, M. Ivova; Mejias, B. Millan; Regenfus, C.; Robmann, P.; Schmidt, A.; Snoek, H.] Univ Zurich, Zurich, Switzerland.
[Chang, Y. H.; Chen, K. H.; Chen, W. T.; Dutta, S.; Go, A.; Kuo, C. M.; Li, S. W.; Lin, W.; Liu, M. H.; Liu, Z. K.; Lu, Y. J.; Wu, J. H.; Yu, S. S.] Natl Cent Univ, Chungli 32054, Taiwan.
[Bartalini, P.; Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Hou, W. -S.; Hsiung, Y.; Kao, K. Y.; Lei, Y. J.; Lu, R. -S.; Shiu, J. G.; Tzeng, Y. M.; Wang, M.] NTU, Taipei, Taiwan.
[Adiguzel, A.; Bakirci, M. N.; Cerci, S.; Dozen, C.; Dumanoglu, I.; Eskut, E.; Girgis, S.; Gokbulut, G.; Guler, Y.; Gurpinar, E.; Hos, I.; Kangal, E. E.; Karaman, T.; Topaksu, A. Kayis; Nart, A.; Onengut, G.; Ozdemir, K.; Ozturk, S.; Polatoz, A.; Sogut, K.; Tali, B.; Topakli, H.; Uzun, D.; Vergili, L. N.; Vergili, M.; Zorbilmez, C.] Cukurova Univ, Adana, Turkey.
[Akin, I. V.; Aliev, T.; Bilmis, S.; Deniz, M.; Gamsizkan, H.; Guler, A. M.; Ocalan, K.; Ozpineci, A.; Serin, M.; Sever, R.; Surat, U. E.; Yildirim, E.; Zeyrek, M.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey.
[Deliomeroglu, M.; Demir, D.; Gulmez, E.; Halu, A.; Isildak, B.; Kaya, M.; Kaya, O.; Ozkorucuklu, S.; Sonmez, N.] Bogazici Univ, Istanbul, Turkey.
[Levchuk, L.] Kharkov Inst Phys & Technol, Natl Sci Ctr, Kharkov, Ukraine.
[Bell, P.; Bostock, F.; Brooke, J. J.; Cheng, T. L.; Clement, E.; Cussans, D.; Frazier, R.; Goldstein, J.; Grimes, M.; Hansen, M.; Hartley, D.; Heath, G. P.; Heath, H. F.; Huckvale, B.; Jackson, J.; Kreczko, L.; Metson, S.; Newbold, D. M.; Nirunpong, K.; Poll, A.; Senkin, S.; Smith, V. J.; Ward, S.] Univ Bristol, Bristol, Avon, England.
[Newbold, D. M.; Basso, L.; Bell, K. W.; Belyaev, A.; Brew, C.; Brown, R. M.; Camanzi, B.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Kennedy, B. W.; Olaiya, E.; Petyt, D.; Radburn-Smith, B. C.; Shepherd-Themistocleous, C. H.; Tomalin, I. R.; Womersley, W. J.; Worm, S. D.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Bainbridge, R.; Ball, G.; Ballin, J.; Beuselinck, R.; Buchmuller, O.; Colling, D.; Cripps, N.; Cutajar, M.; Davies, G.; Della Negra, M.; Fulcher, J.; Futyan, D.; Bryer, A. Guneratne; Hall, G.; Hatherell, Z.; Hays, J.; Iles, G.; Karapostoli, G.; Lyons, L.; Magnan, A. -M.; Marrouche, J.; Nandi, R.; Nash, J.; Nikitenko, A.; Papageorgiou, A.; Pesaresi, M.; Petridis, K.; Pioppi, M.; Raymond, D. M.; Rompotis, N.; Rose, A.; Ryan, M. J.; Seez, C.; Sharp, P.; Sparrow, A.; Tapper, A.; Tourneur, S.; Acosta, M. Vazquez; Virdee, T.; Wakefield, S.; Wardrope, D.; Whyntie, T.] Univ London Imperial Coll Sci Technol & Med, London, England.
[Barrett, M.; Chadwick, M.; Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leslie, D.; Martin, W.; Reid, I. D.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Hatakeyama, K.] Baylor Univ, Waco, TX 76798 USA.
[Bose, T.; Jarrin, E. Carrera; Clough, A.; Fantasia, C.; Heister, A.; St John, J.; Lawson, P.; Lazic, D.; Rohlf, J.; Sperka, D.; Sulak, L.] Boston Univ, Boston, MA 02215 USA.
[Avetisyan, A.; Bhattacharya, S.; Chou, J. P.; Cutts, D.; Ferapontov, A.; Heintz, U.; Jabeen, S.; Kukartsev, G.; Landsberg, G.; Narain, M.; Nguyen, D.; Segala, M.; Speer, T.; Tsang, K. V.] Brown Univ, Providence, RI 02912 USA.
[Borgia, M. A.; Breedon, R.; Sanchez, M. Calderon De La Barca; Cebra, D.; Chauhan, S.; Chertok, M.; Conway, J.; Cox, P. T.; Dolen, J.; Erbacher, R.; Friis, E.; Ko, W.; Kopecky, A.; Lander, R.; Liu, H.; Maruyama, S.; Miceli, T.; Nikolic, M.; Pellett, D.; Robles, J.; Salur, S.; Schwarz, T.; Searle, M.; Smith, J.; Squires, M.; Tripathi, M.; Sierra, R. Vasquez; Veelken, C.] Univ Calif Davis, Davis, CA 95616 USA.
[Felcini, M.; Andreev, V.; Arisaka, K.; Cline, D.; Cousins, R.; Deisher, A.; Duris, J.; Erhan, S.; Farrell, C.; Hauser, J.; Ignatenko, M.; Jarvis, C.; Plager, C.; Rakness, G.; Schlein, P.; Tucker, J.; Valuev, V.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Babb, J.; Clare, R.; Ellison, J.; Gary, J. W.; Giordano, F.; Hanson, G.; Jeng, G. Y.; Kao, S. C.; Liu, F.; Liu, H.; Luthra, A.; Nguyen, H.; Pasztor, G.; Satpathy, A.; Shen, B. C.; Stringer, R.; Sturdy, J.; Sumowidagdo, S.; Wilken, R.; Wimpenny, S.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Andrews, W.; Branson, J. G.; Cerati, G. B.; Dusinberre, E.; Evans, D.; Golf, F.; Holzner, A.; Kelley, R.; Lebourgeois, M.; Letts, J.; Mangano, B.; Muelmenstaedt, J.; Padhi, S.; Palmer, C.; Petrucciani, G.; Pi, H.; Pieri, M.; Ranieri, R.; Sani, M.; Sharma, V.; Simon, S.; Tu, Y.; Vartak, A.; Wuerthwein, F.; Yagil, A.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Barge, D.; Bellan, R.; Campagnari, C.; D'Alfonso, M.; Danielson, T.; Flowers, K.; Geffert, P.; Incandela, J.; Justus, C.; Kalavase, P.; Koay, S. A.; Kovalskyi, D.; Krutelyov, V.; Lowette, S.; Mccoll, N.; Pavlunin, V.; Rebassoo, F.; Ribnik, J.; Richman, J.; Rossin, R.; Stuart, D.; To, W.; Vlimant, J. R.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Dubinin, M.; Spiropulu, M.; Bornheim, A.; Bunn, J.; Chen, Y.; Gataullin, M.; Kcira, D.; Litvine, V.; Ma, Y.; Mott, A.; Newman, H. B.; Rogan, C.; Timciuc, V.; Traczyk, P.; Veverka, J.; Wilkinson, R.; Yang, Y.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA.
[Akgun, B.; Carroll, R.; Ferguson, T.; Iiyama, Y.; Jang, D. W.; Jun, S. Y.; Liu, Y. F.; Paulini, M.; Russ, J.; Terentyev, N.; Vogel, H.; Vorobiev, I.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Cumalat, J. P.; Dinardo, M. E.; Drell, B. R.; Edelmaier, C. J.; Ford, W. T.; Heyburn, B.; Lopez, E. Luiggi; Nauenberg, U.; Smith, J. G.; Stenson, K.; Ulmer, K. A.; Wagner, S. R.; Zang, S. L.] Univ Colorado, Boulder, CO 80309 USA.
[Agostino, L.; Alexander, J.; Chatterjee, A.; Das, S.; Eggert, N.; Fields, L. J.; Gibbons, L. K.; Heltsley, B.; Hopkins, W.; Khukhunaishvili, A.; Kreis, B.; Kuznetsov, V.; Kaufman, G. Nicolas; Patterson, J. R.; Puigh, D.; Riley, D.; Ryd, A.; Shi, X.; Sun, W.; Teo, W. D.; Thom, J.; Thompson, J.; Vaughan, J.; Weng, Y.; Winstrom, L.; Wittich, P.] Cornell Univ, Ithaca, NY USA.
[Biselli, A.; Cirino, G.; Winn, D.] Fairfield Univ, Fairfield, CT 06430 USA.
[Abdullin, S.; Albrow, M.; Anderson, J.; Apollinari, G.; Atac, M.; Bakken, J. A.; Banerjee, S.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; Bloch, I.; Borcherding, F.; Burkett, K.; Butler, J. N.; Chetluru, V.; Cheung, H. W. K.; Chlebana, F.; Cihangir, S.; Demarteau, M.; Eartly, D. P.; Elvira, V. D.; Esen, S.; Fisk, I.; Freeman, J.; Gao, Y.; Gottschalk, E.; Green, D.; Gunthoti, K.; Gutsche, O.; Hahn, A.; Hanlon, J.; Harris, R. M.; Hirschauer, J.; Hooberman, B.; James, E.; Jensen, H.; Johnson, M.; Joshi, U.; Khatiwada, R.; Kilminster, B.; Klima, B.; Kousouris, K.; Kunori, S.; Kwan, S.; Limon, P.; Lipton, R.; Lykken, J.; Maeshima, K.; Marraffino, J. M.; Mason, D.; McBride, P.; McCauley, T.; Miao, T.; Mishra, K.; Mrenna, S.; Newman-Holmes, C.; O'Dell, V.; Popescu, S.; Pordes, R.; Prokofyev, O.; Saoulidou, N.; Sexton-Kennedy, E.; Sharma, S.; Soha, A.; Spalding, W. J.; Spiegel, L.; Tan, P.; Taylor, L.; Tkaczyk, S.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yang, F.; Yumiceva, F.; Yun, J. C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Piedra Gomez, J.; Acosta, D.; Avery, P.; Bourilkov, D.; Chen, M.; Di Giovanni, G. P.; Dobur, D.; Drozdetskiy, A.; Field, R. D.; Fisher, M.; Fu, Y.; Furic, I. K.; Gartner, J.; Goldberg, S.; Kim, B.; Klimenko, S.; Konigsberg, J.; Korytov, A.; Kropivnitskaya, A.; Kypreos, T.; Matchev, K.; Mitselmakher, G.; Muniz, L.; Pakhotin, Y.; Prescott, C.; Remington, R.; Schmitt, M.; Scurlock, B.; Sellers, P.; Skhirtladze, N.; Wang, D.; Yelton, J.; Zakaria, M.] Univ Florida, Gainesville, FL USA.
[Ceron, C.; Gaultney, V.; Kramer, L.; Lebolo, L. M.; Linn, S.; Markowitz, P.; Martinez, G.; Rodriguez, J. L.] Florida Int Univ, Miami, FL 33199 USA.
[Adams, T.; Askew, A.; Bandurin, D.; Bochenek, J.; Chen, J.; Diamond, B.; Gleyzer, S. V.; Haas, J.; Hagopian, S.; Hagopian, V.; Jenkins, M.; Johnson, K. F.; Prosper, H.; Quertenmont, L.; Sekmen, S.; Veeraraghavan, V.] Florida State Univ, Tallahassee, FL 32306 USA.
[Baarmand, M. M.; Dorney, B.; Guragain, S.; Hohlmann, M.; Kalakhety, H.; Ralich, R.; Vodopiyanov, I.] Florida Inst Technol, Melbourne, FL 32901 USA.
[Adams, M. R.; Anghel, I. M.; Apanasevich, L.; Bai, Y.; Bazterra, V. E.; Betts, R. R.; Callner, J.; Cavanaugh, R.; Dragoiu, C.; Garcia-Solis, E. J.; Gerber, C. E.; Hofman, D. J.; Khalatyan, S.; Lacroix, F.; Malek, M.; O'Brien, C.; Silvestre, C.; Smoron, A.; Strom, D.; Varelas, N.] UIC, Chicago, IL USA.
[Akgun, U.; Albayrak, E. A.; Bilki, B.; Cankocak, K.; Clarida, W.; Duru, F.; Lae, C. K.; McCliment, E.; Merlo, J. -P.; Mermerkaya, H.; Mestvirishvili, A.; Moeller, A.; Nachtman, J.; Newsom, C. R.; Norbeck, E.; Olson, J.; Onel, Y.; Ozok, F.; Sen, S.; Wetzel, J.; Yetkin, T.; Yi, K.] Univ Iowa, Iowa City, IA USA.
[Barnett, B. A.; Blumenfeld, B.; Bonato, A.; Eskew, C.; Fehling, D.; Giurgiu, G.; Gritsan, A. V.; Guo, Z. J.; Hu, G.; Maksimovic, R.; Rappoccio, S.; Swartz, M.; Tran, N. V.; Whitbeck, A.] Johns Hopkins Univ, Baltimore, MD USA.
[Sibille, J.; Baringer, P.; Bean, A.; Benelli, G.; Grachov, O.; Murray, M.; Noonan, D.; Radicci, V.; Sanders, S.; Wood, J. S.; Zhukova, V.] Univ Kansas, Lawrence, KS 66045 USA.
[Bolton, T.; Chakaberia, I.; Ivanov, A.; Makouski, M.; Maravin, Y.; Shrestha, S.; Svintradze, I.; Wan, Z.] Kansas State Univ, Manhattan, KS 66506 USA.
[Gronberg, J.; Lange, D.; Wright, D.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Baden, A.; Boutemeur, M.; Eno, S. C.; Ferencek, D.; Gomez, J. A.; Hadley, N. J.; Kellogg, R. G.; Kim, M.; Lu, Y.; Mignerey, A. C.; Rossato, K.; Rumerio, R.; Santanastasio, F.; Skuja, A.; Temple, J.; Tonjes, M. B.; Tonwar, S. C.; Twedt, E.] Univ Maryland, College Pk, MD 20742 USA.
[Wyslouch, B.; Alver, B.; Bauer, G.; Bendavid, J.; Busza, W.; Butz, E.; Cali, I. A.; Chan, M.; Dutta, V.; Everaerts, P.; Ceballos, G. Gomez; Goncharov, M.; Hahn, K. A.; Harris, P.; Kim, Y.; Klute, M.; Lee, Y. -J.; Li, W.; Loizides, C.; Luckey, P. D.; Ma, T.; Nahn, S.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Sumorok, K.; Sung, K.; Wenger, E. A.; Xie, S.; Yang, M.; Yilmaz, Y.; Yoon, A. S.; Zanetti, M.] MIT, Cambridge, MA 02139 USA.
[Cole, P.; Cooper, S. I.; Cushman, P.; Dahmes, B.; De Benedetti, A.; Dudero, P. R.; Franzoni, G.; Haupt, J.; Klapoetke, K.; Kubota, Y.; Mans, J.; Rekovic, V.; Rusack, R.; Sasseville, M.; Singovsky, A.] Univ Minnesota, Minneapolis, MN USA.
[Cremaldi, L. M.; Godang, R.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Summers, D.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Bose, S.; Butt, J.; Claes, D. R.; Dominguez, A.; Eads, M.; Keller, J.; Kelly, T.; Kravchenko, I.; Lazo-Flores, J.; Lundstedt, C.; Malbouisson, H.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA.
[Baur, U.; Godshalk, A.; Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Shipkowski, S. P.; Smith, K.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Alverson, G.; Barberis, E.; Baumgartel, D.; Boeriu, O.; Chasco, M.; Kaadze, K.; Reucroft, S.; Swain, J.; Wood, D.; Zhang, J.] Northeastern Univ, Boston, MA 02115 USA.
[Anastassov, A.; Kubik, A.; Odell, N.; Ofierzynski, R. A.; Pollack, B.; Pozdnyakov, A.; Schmitt, M.; Stoynev, S.; Velasco, M.; Won, S.] Northwestern Univ, Evanston, IL USA.
[Antonelli, L.; Berry, D.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kolb, J.; Kolberg, T.; Lannon, K.; Luo, W.; Lynch, S.; Marinelli, N.; Morse, D. M.; Pearson, T.; Ruchti, R.; Slaunwhite, J.; Valls, N.; Warchol, J.; Wayne, M.; Ziegler, J.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Bylsma, B.; Durkin, L. S.; Cu, J.; Hill, C.; Killewald, P.; Kotov, K.; Ling, T. Y.; Rodenburg, M.; Williams, G.] Ohio State Univ, Columbus, OH 43210 USA.
[Adam, N.; Berry, E.; Elmer, P.; Gerbaudo, D.; Halyo, V.; Hebda, P.; Hunt, A.; Jones, J.; Laird, E.; Pegna, D. Lopes; Marlow, D.; Medvedeva, T.; Mooney, M.; Olsen, J.; Piroue, P.; Quan, X.; Saka, H.; Stickland, D.; Tully, C.; Werner, J. S.; Zuranski, A.] Princeton Univ, Princeton, NJ 08544 USA.
[Acosta, J. G.; Huang, X. T.; Lopez, A.; Mendez, H.; Oliveros, S.; Vargas, J. E. Ramirez; Zatserklyaniy, A.] Univ Puerto Rico, Mayaguez, PR USA.
[Alagoz, E.; Barnes, V. E.; Bolla, G.; Borrello, L.; Bortoletto, D.; Everett, A.; Garfinkel, A. F.; Gecse, Z.; Gutay, L.; Hu, Z.; Jones, M.; Koybasi, O.; Laasanen, A. T.; Leonardo, N.; Liu, C.; Maroussov, V.; Merkel, P.; Miller, D. H.; Neumeister, N.; Shipsey, I.; Silvers, D.; Svyatkovskiy, A.; Yoo, H. D.; Zablocki, J.; Zheng, Y.] Purdue Univ, W Lafayette, IN 47907 USA.
[Jindal, P.; Parashar, N.] Purdue Univ Calumet, Hammond, LA USA.
[Boulahouache, C.; Cuplov, V.; Ecklund, K. M.; Geurts, F. J. M.; Liu, J. H.; Padley, B. P.; Redjimi, R.; Roberts, J.; Zabel, J.] Rice Univ, Houston, TX USA.
[Betchart, B.; Bodek, A.; Chung, Y. S.; Covarelli, R.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Flacher, H.; Garcia-Bellido, A.; Goldenzweig, P.; Gotra, Y.; Han, J.; Harel, A.; Miner, D. C.; Orbaker, D.; Petrillo, G.; Vishnevskiy, D.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Bhatti, A.; Ciesielski, R.; Demortier, L.; Goulianos, K.; Lungu, G.; Mesropian, C.; Yan, M.] Rockefeller Univ, New York, NY 10021 USA.
[Atramentov, O.; Barker, A.; Duggan, D.; Gershtein, Y.; Gray, R.; Halkiadakis, E.; Hidas, D.; Hits, D.; Lath, A.; Panwalkar, S.; Patel, R.; Richards, A.; Rose, K.; Schnetzer, S.; Somalwar, S.; Stone, R.; Thomas, S.] Rutgers State Univ, Piscataway, NJ USA.
[Cerizza, G.; Hollingsworth, M.; Spanier, S.; Yang, Z. C.; York, A.] Univ Tennessee, Knoxville, TN USA.
[Asaadi, J.; Eusebi, R.; Gilmore, J.; Gurrola, A.; Kamon, T.; Khotilovich, V.; Montalvo, R.; Nguyen, C. N.; Osipenkov, I.; Pivarski, J.; Safonov, A.; Sengupta, S.; Tatarinov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX USA.
[Akchurin, N.; Bardak, C.; Damgov, J.; Jeong, C.; Kovitanggoon, K.; Lee, S. W.; Mane, P.; Roh, Y.; Sill, A.; Volobouev, I.; Wigmans, R.; Yazgan, E.] Texas Tech Univ, Lubbock, TX 79409 USA.
[Appelt, E.; Brownson, E.; Engh, D.; Florez, C.; Gabella, W.; Johns, W.; Kurt, R.; Maguire, C.; Melo, A.; Sheldon, P.; Velkovska, J.] Vanderbilt Univ, Nashville, TN USA.
[Arenton, M. W.; Balazs, M.; Boutle, S.; Buehler, M.; Conetti, S.; Cox, B.; Francis, B.; Hirosky, R.; Ledovskoy, A.; Lin, C.; Neu, C.; Yohay, R.] Univ Virginia, Charlottesville, VA USA.
[Gollapinni, S.; Harr, R.; Karchin, P. E.; Lamichhane, P.; Mattson, M.; Milstene, C.; Sakharov, A.] Wayne State Univ, Detroit, MI USA.
[Anderson, M.; Bachtis, M.; Bellinger, J. N.; Carlsmith, D.; Dasu, S.; Efron, J.; Gray, L.; Grogg, K. S.; Grothe, M.; Hall-Wilton, R.; Herndon, M.; Klabbers, R.; Klukas, J.; Lanaro, A.; Lazaridis, C.; Leonard, J.; Lomidze, D.; Loveless, R.; Mohapatra, A.; Reeder, D.; Ross, I.; Savin, A.; Smith, W. H.; Swanson, J.; Weinberg, M.] Univ Wisconsin, Madison, WI 53706 USA.
[Gregores, E. M.] Univ Fed ABC, Santo Andre, Brazil.
[Assran, Y.] Suez Canal Univ, Suez, Egypt.
[Mahmoud, M. A.] Fayoum Univ, Al Fayyum, Egypt.
[Agram, J. -L.; Conte, E.; Drouhin, F.; Fontaine, J. -C.; Karim, M.] Univ Haute Alsace, Mulhouse, France.
[Bergholz, M.; Lohmann, W.; Schmidt, R.] Brandenburg Tech Univ Cottbus, Cottbus, Germany.
[Krajczar, K.; Vesztergombi, G.; Veres, G. I.] Eotvos Lorand Univ, Budapest, Hungary.
[Gurtu, A.] Visva Bharati Univ, Santini Ketan, W Bengal, India.
[Fabozzi, F.] Univ Basilicata, I-85100 Potenza, Italy.
[Lacaprara, S.; Maron, G.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy.
[Bell, A. J.] Univ Geneva, Geneva, Switzerland.
[Rolandi, G.] Ist Nazl Fis Nucl, Scuola Normale & Sez, I-56100 Pisa, Italy.
[Bakirci, M. N.; Topakli, H.] Gaziosmanpasa Univ, Tokat, Turkey.
[Cerci, S.] Adiyaman Univ, Adiyaman, Turkey.
[Sogut, K.] Mersin Univ, Mersin, Turkey.
[Demir, D.] Izmir Inst Technol, Izmir, Turkey.
[Kaya, M.; Kaya, O.] Kafkas Univ, Kars, Turkey.
[Ozkorucuklu, S.] Suleyman Demirel Univ, TR-32200 Isparta, Turkey.
[Sonmez, N.] Ege Univ, Izmir, Turkey.
[Popescu, S.] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Bucharest, Romania.
[Cankocak, K.] Istanbul Tech Univ, TR-80626 Istanbul, Turkey.
RP Tenchini, R (reprint author), INFN Sez Pisa, Pisa, Italy.
EM Roberto.Tenchini@cern.ch
RI Tinoco Mendes, Andre David/D-4314-2011; Hektor, Andi/G-1804-2011; Wulz,
Claudia-Elisabeth/H-5657-2011; Chen, Jie/H-6210-2011; Mignerey,
Alice/D-6623-2011; Ganjour, Serguei/D-8853-2011; Ruiz,
Alberto/E-4473-2011; Stahl, Achim/E-8846-2011; Bolton, Tim/A-7951-2012;
Yang, Fan/B-2755-2012; Krammer, Manfred/A-6508-2010; Lokhtin,
Igor/D-7004-2012; Kodolova, Olga/D-7158-2012; Dudko, Lev/D-7127-2012; de
Jesus Damiao, Dilson/G-6218-2012; Montanari, Alessandro/J-2420-2012;
Amapane, Nicola/J-3683-2012; tosi, mia/J-5777-2012; Petrushanko,
Sergey/D-6880-2012; Raidal, Martti/F-4436-2012; Della Ricca,
Giuseppe/B-6826-2013; Kadastik, Mario/B-7559-2008; Mundim,
Luiz/A-1291-2012; Santaolalla, Javier/C-3094-2013; Alves,
Gilvan/C-4007-2013; Rolandi, Luigi (Gigi)/E-8563-2013; Katkov,
Igor/E-2627-2012; Boos, Eduard/D-9748-2012; Snigirev,
Alexander/D-8912-2012; Servoli, Leonello/E-6766-2012; Tomei,
Thiago/E-7091-2012; Novaes, Sergio/D-3532-2012; Padula, Sandra
/G-3560-2012; Fruhwirth, Rudolf/H-2529-2012; Azzi, Patrizia/H-5404-2012;
Torassa, Ezio/I-1788-2012; Giacomelli, Paolo/B-8076-2009; Jeitler,
Manfred/H-3106-2012; Venturi, Andrea/J-1877-2012; Zalewski,
Piotr/H-7335-2013; Ivanov, Andrew/A-7982-2013; Hill,
Christopher/B-5371-2012; Wimpenny, Stephen/K-8848-2013; Troitsky,
Sergey/C-1377-2014; Marlow, Daniel/C-9132-2014; Oguri,
Vitor/B-5403-2013; Janssen, Xavier/E-1915-2013; Santoro,
Alberto/E-7932-2014; Codispoti, Giuseppe/F-6574-2014; Gribushin,
Andrei/J-4225-2012; Cerrada, Marcos/J-6934-2014; Calderon,
Alicia/K-3658-2014; de la Cruz, Begona/K-7552-2014; Scodellaro,
Luca/K-9091-2014; Josa, Isabel/K-5184-2014; Calvo Alamillo,
Enrique/L-1203-2014; Vogel, Helmut/N-8882-2014; Marinho,
Franciole/N-8101-2014; Ragazzi, Stefano/D-2463-2009; Benussi,
Luigi/O-9684-2014; Russ, James/P-3092-2014; Dahms, Torsten/A-8453-2015;
Grandi, Claudio/B-5654-2015; Ahmed, Ijaz/E-9144-2015; Lazzizzera,
Ignazio/E-9678-2015; Sen, Sercan/C-6473-2014; vilar, rocio/P-8480-2014;
D'Alessandro, Raffaello/F-5897-2015; Belyaev, Alexander/F-6637-2015;
Trocsanyi, Zoltan/A-5598-2009; Konecki, Marcin/G-4164-2015; Hernandez
Calama, Jose Maria/H-9127-2015; Bedoya, Cristina/K-8066-2014; Matorras,
Francisco/I-4983-2015; My, Salvatore/I-5160-2015; Muelmenstaedt,
Johannes/K-2432-2015; Rovelli, Tiziano/K-4432-2015; Dremin,
Igor/K-8053-2015; Hoorani, Hafeez/D-1791-2013; Andreev,
Vladimir/M-8665-2015; Cakir, Altan/P-1024-2015; TUVE',
Cristina/P-3933-2015; KIM, Tae Jeong/P-7848-2015; Arce,
Pedro/L-1268-2014; Flix, Josep/G-5414-2012; Ozdemir, Kadri/P-8058-2014;
Azarkin, Maxim/N-2578-2015; Paganoni, Marco/A-4235-2016; Kirakosyan,
Martin/N-2701-2015; Gulmez, Erhan/P-9518-2015; Seixas, Joao/F-5441-2013;
Sznajder, Andre/L-1621-2016; Vilela Pereira, Antonio/L-4142-2016; Haj
Ahmad, Wael/E-6738-2016; Xie, Si/O-6830-2016; Leonardo,
Nuno/M-6940-2016; Goh, Junghwan/Q-3720-2016; Govoni, Pietro/K-9619-2016;
Tuominen, Eija/A-5288-2017; Yazgan, Efe/C-4521-2014; Paulini,
Manfred/N-7794-2014; Gerbaudo, Davide/J-4536-2012; Menasce, Dario
Livio/A-2168-2016; Sguazzoni, Giacomo/J-4620-2015; Ligabue,
Franco/F-3432-2014; Fassi, Farida/F-3571-2016; Varela, Joao/K-4829-2016;
OI Tinoco Mendes, Andre David/0000-0001-5854-7699; Hektor,
Andi/0000-0001-7873-8118; Wulz, Claudia-Elisabeth/0000-0001-9226-5812;
Ruiz, Alberto/0000-0002-3639-0368; Stahl, Achim/0000-0002-8369-7506;
Krammer, Manfred/0000-0003-2257-7751; Dudko, Lev/0000-0002-4462-3192; de
Jesus Damiao, Dilson/0000-0002-3769-1680; Montanari,
Alessandro/0000-0003-2748-6373; Amapane, Nicola/0000-0001-9449-2509;
Della Ricca, Giuseppe/0000-0003-2831-6982; Mundim,
Luiz/0000-0001-9964-7805; Rolandi, Luigi (Gigi)/0000-0002-0635-274X;
Katkov, Igor/0000-0003-3064-0466; Servoli, Leonello/0000-0003-1725-9185;
Tomei, Thiago/0000-0002-1809-5226; Novaes, Sergio/0000-0003-0471-8549;
Azzi, Patrizia/0000-0002-3129-828X; Ivanov, Andrew/0000-0002-9270-5643;
Hill, Christopher/0000-0003-0059-0779; Wimpenny,
Stephen/0000-0003-0505-4908; Troitsky, Sergey/0000-0001-6917-6600;
Codispoti, Giuseppe/0000-0003-0217-7021; Cerrada,
Marcos/0000-0003-0112-1691; Scodellaro, Luca/0000-0002-4974-8330; Calvo
Alamillo, Enrique/0000-0002-1100-2963; Vogel,
Helmut/0000-0002-6109-3023; Marinho, Franciole/0000-0002-7327-0349;
Ragazzi, Stefano/0000-0001-8219-2074; Benussi,
Luigi/0000-0002-2363-8889; Russ, James/0000-0001-9856-9155; Dahms,
Torsten/0000-0003-4274-5476; Grandi, Claudio/0000-0001-5998-3070;
Lazzizzera, Ignazio/0000-0001-5092-7531; Sen,
Sercan/0000-0001-7325-1087; D'Alessandro, Raffaello/0000-0001-7997-0306;
Belyaev, Alexander/0000-0002-1733-4408; Trocsanyi,
Zoltan/0000-0002-2129-1279; Konecki, Marcin/0000-0001-9482-4841;
Hernandez Calama, Jose Maria/0000-0001-6436-7547; Bedoya,
Cristina/0000-0001-8057-9152; Matorras, Francisco/0000-0003-4295-5668;
My, Salvatore/0000-0002-9938-2680; Muelmenstaedt,
Johannes/0000-0003-1105-6678; Rovelli, Tiziano/0000-0002-9746-4842;
TUVE', Cristina/0000-0003-0739-3153; KIM, Tae Jeong/0000-0001-8336-2434;
Arce, Pedro/0000-0003-3009-0484; Flix, Josep/0000-0003-2688-8047;
Ozdemir, Kadri/0000-0002-0103-1488; Paganoni, Marco/0000-0003-2461-275X;
Gulmez, Erhan/0000-0002-6353-518X; Seixas, Joao/0000-0002-7531-0842;
Sznajder, Andre/0000-0001-6998-1108; Vilela Pereira,
Antonio/0000-0003-3177-4626; Haj Ahmad, Wael/0000-0003-1491-0446; Xie,
Si/0000-0003-2509-5731; Leonardo, Nuno/0000-0002-9746-4594; Goh,
Junghwan/0000-0002-1129-2083; Govoni, Pietro/0000-0002-0227-1301;
Tuominen, Eija/0000-0002-7073-7767; Yazgan, Efe/0000-0001-5732-7950;
Paulini, Manfred/0000-0002-6714-5787; Gerbaudo,
Davide/0000-0002-4463-0878; Vieira de Castro Ferreira da Silva, Pedro
Manuel/0000-0002-5725-041X; Bean, Alice/0000-0001-5967-8674; Longo,
Egidio/0000-0001-6238-6787; Di Matteo, Leonardo/0000-0001-6698-1735;
Baarmand, Marc/0000-0002-9792-8619; Boccali,
Tommaso/0000-0002-9930-9299; Menasce, Dario Livio/0000-0002-9918-1686;
Attia Mahmoud, Mohammed/0000-0001-8692-5458; Bilki,
Burak/0000-0001-9515-3306; Lloret Iglesias, Lara/0000-0002-0157-4765;
Carrera, Edgar/0000-0002-0857-8507; Sguazzoni,
Giacomo/0000-0002-0791-3350; Ligabue, Franco/0000-0002-1549-7107;
Diemoz, Marcella/0000-0002-3810-8530; Tricomi, Alessia
Rita/0000-0002-5071-5501; Fassi, Farida/0000-0002-6423-7213; Ghezzi,
Alessio/0000-0002-8184-7953; bianco, stefano/0000-0002-8300-4124;
Demaria, Natale/0000-0003-0743-9465; Benaglia, Andrea
Davide/0000-0003-1124-8450; Covarelli, Roberto/0000-0003-1216-5235;
Ciulli, Vitaliano/0000-0003-1947-3396; Martelli,
Arabella/0000-0003-3530-2255; Levchenko, Petr/0000-0003-4913-0538;
Varela, Joao/0000-0003-2613-3146; Faccioli, Pietro/0000-0003-1849-6692;
Heath, Helen/0000-0001-6576-9740; Giubilato, Piero/0000-0003-4358-5355;
Gallinaro, Michele/0000-0003-1261-2277; Tabarelli de Fatis,
Tommaso/0000-0001-6262-4685; Lenzi, Piergiulio/0000-0002-6927-8807;
Raval, Amita/0000-0003-0164-4337; Torassa, Ezio/0000-0003-2321-0599;
Sogut, Kenan/0000-0002-9682-2855
FU FMSR (Austria); FNRS (Belgium); FWO (Belgium); CNPq (Brazil); CAPES
(Brazil); FAPERJ (Brazil); FAPESP (Brazil); MES (Bulgaria); CERN; CAS
(China); MoST (China); NSFC (China); GSRT (Greece); OTKA (Hungary); NKTH
(Hungary); DAE (India); DST (India); IPM (Iran); SFI (Ireland); INFN
(Italy); NRF (Korea); WCU (Korea); LAS (Lithuania); CINVESTAV; CONACYT;
SEP; UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal);
JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST (Russia); MAE
(Russia); MSTD (Serbia); MICINN (Spain); CPAN (Spain); Swiss Funding
Agencies (Switzerland); NSC (Taipei); TUBITAK (Turkey); TAEK (Turkey);
STFC (United Kingdom); DOE (USA); NSF (USA)
FX We wish to congratulate our colleagues in the CERN accelerator
departments for the excellent performance of the LHC machine. We thank
the technical and administrative staff at CERN and other CMS institutes,
and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium);
CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS,
MoST, and NSFC (China); (Germany); GSRT (Greece); OTKA and NKTH
(Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy);
NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and
UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR
(Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia);
MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies
(Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United
Kingdom); DOE and NSF (USA).
NR 24
TC 21
Z9 21
U1 1
U2 34
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
EI 1873-2445
J9 PHYS LETT B
JI Phys. Lett. B
PD MAR 28
PY 2011
VL 698
IS 1
BP 21
EP 39
DI 10.1016/j.physletb.2011.02.048
PG 19
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 744YR
UT WOS:000289131600004
ER
PT J
AU Voronov, DL
Anderson, EH
Cambie, R
Cabrini, S
Dhuey, SD
Goray, LI
Gullikson, EM
Salmassi, F
Warwick, T
Yashchuk, VV
Padmore, HA
AF Voronov, D. L.
Anderson, E. H.
Cambie, R.
Cabrini, S.
Dhuey, S. D.
Goray, L. I.
Gullikson, E. M.
Salmassi, F.
Warwick, T.
Yashchuk, V. V.
Padmore, H. A.
TI A 10,000 groove/mm multilayer coated grating for EUV spectroscopy
SO OPTICS EXPRESS
LA English
DT Article
ID X-RAY-SCATTERING
AB Ultra-high spectral resolution in the EUV and soft x-ray energy ranges requires the use of very high line density gratings with optimal design resulting in use of a Blazed Multilayer Grating (BMG) structure. Here we demonstrate the production of near-atomically perfect Si blazed substrates with an ultra-high groove density (10,000 l/mm) together with the measured and theoretical performance of an Al/Zr multilayer coating on the grating. A 1(st) order absolute efficiency of 13% and 24.6% was achieved at incidence angles of 11 degrees and 36 degrees respectively. Cross-sectional TEM shows the effect of smoothing caused by the surface mobility of deposited atoms and we correlate this effect with a reduction in peak diffraction efficiency. This work shows the high performance that can be achieved with BMGs based on small-period anisotropic etched Si substrates, but also the constraints imposed by the surface mobility of deposited species. (C) 2011 Optical Society of America
C1 [Voronov, D. L.; Anderson, E. H.; Cambie, R.; Dhuey, S. D.; Gullikson, E. M.; Salmassi, F.; Warwick, T.; Yashchuk, V. V.; Padmore, H. A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Goray, L. I.] RAS, St Petersburg Acad Univ, St Petersburg 194021, Russia.
[Goray, L. I.] RAS, Inst Analyt Instrumentat, St Petersburg 190103, Russia.
RP Voronov, DL (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM dlvoronov@lbl.gov
RI Goray, Leonid/D-4426-2013
OI Goray, Leonid/0000-0002-0381-9607
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the U.S. Department of Energy under contract
number DE-AC02-05CH11231.
NR 10
TC 13
Z9 13
U1 1
U2 14
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 1094-4087
J9 OPT EXPRESS
JI Opt. Express
PD MAR 28
PY 2011
VL 19
IS 7
BP 6328
EP 6333
DI 10.1364/OE.19.006328
PG 6
WC Optics
SC Optics
GA 741GR
UT WOS:000288852700064
ER
PT J
AU Wang, SZ
Wang, LW
AF Wang, Shuzhi
Wang, Lin-Wang
TI Charge flow model for atomic ordering in nonisovalent alloys
SO PHYSICAL REVIEW B
LA English
DT Article
ID SOLID-SOLUTION; VISIBLE-LIGHT; ELECTRONIC-PROPERTIES; SEMICONDUCTOR
ALLOYS; DISORDER TRANSITION; ENERGY; PHASE; PHOTOCATALYST; LATTICE;
WATER
AB Nonisovalent alloys, also known as aliovalent alloys, are formed by mixing two semiconductors of different valences for both cations and anions. These alloys exhibit many interesting properties and have found applications in optoelectronics, refractory materials, photovoltaics, photocatalytic splitting of water, etc. For example, the alloy of GaN and ZnO has a surprisingly large band gap bowing, enabling visible light absorption and overall water splitting at a record quantum efficiency. The understanding of the properties of nonisovalent alloys, however, is hindered by the lack of knowledge of the detailed atomic structures. We recently developed a charge flow model which can predict the total energy of different atomic configurations of nonisovalent alloys. In this work, we extend this model and apply it to a number of alloy systems-GaN/ZnO, GaAs/ZnSe, InP/CdS, AlN/ZnO, AlN/MgO, and AlN/SiC in wurtzite, zinc blende, and/or rocksalt structures. Good agreement between the model-predicted and ab initio results is found. We also employ the charge flow model in parallel tempering Monte Carlo simulations to calculate the thermodynamic properties of nonisovalent alloys of wurtzite structure. A phase transition between the phase separated and alloying regions is found and a general phase diagram is obtained. This model could be used to guide the design and synthesis of new nonisovalent alloy materials.
C1 [Wang, Shuzhi; Wang, Lin-Wang] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Wang, SZ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Mail Stop 66,1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM swang2@lbl.gov
RI Dom, Rekha/B-7113-2012
FU Office of Science, Office of Basic Energy Sciences, Materials Science
and Engineering Division, U.S. Department of Energy (DOE)
[DE-AC02-05CH11231]
FX This work was performed at the Helios Solar Energy Research Center,
which is supported by the Director, Office of Science, Office of Basic
Energy Sciences, Materials Science and Engineering Division, U.S.
Department of Energy (DOE) under Contract No. DE-AC02-05CH11231. This
research used the computational resources of the National Energy
Research Scientific Computing Center (NERSC) and the National Center for
Computational Sciences (NCCS), with computational time allocated by the
Innovative and Novel Computational Impact on Theory and Experiment
(INCITE) project of the DOE.
NR 46
TC 4
Z9 4
U1 1
U2 25
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 28
PY 2011
VL 83
IS 11
AR 115208
DI 10.1103/PhysRevB.83.115208
PG 11
WC Physics, Condensed Matter
SC Physics
GA 741HQ
UT WOS:000288855200006
ER
PT J
AU Aaltonen, T
Gonzalez, BA
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, JA
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, VE
Barnett, BA
Barria, P
Bartos, P
Bauce, M
Bauer, G
Bedeschi, F
Beecher, D
Behari, S
Bellettini, G
Bellinger, J
Benjamin, D
Beretvas, A
Bhatti, A
Binkley, M
Bisello, D
Bizjak, I
Bland, KR
Blumenfeld, B
Bocci, A
Bodek, A
Bortoletto, D
Boudreau, J
Boveia, A
Brau, B
Brigliadori, L
Brisuda, A
Bromberg, C
Brucken, E
Bucciantonio, M
Budagov, J
Budd, HS
Budd, S
Burkett, K
Busetto, G
Bussey, P
Buzatu, A
Calancha, C
Camarda, S
Campanelli, M
Campbell, M
Canelli, F
Canepa, A
Carls, B
Carlsmith, D
Carosi, R
Carrillo, S
Carron, S
Casal, B
Casarsa, M
Castro, A
Catastini, P
Cauz, D
Cavaliere, V
Cavalli-Sforza, M
Cerri, A
Cerrito, L
Chen, YC
Chertok, M
Chiarelli, G
Chlachidze, G
Chlebana, F
Cho, K
Chokheli, D
Chou, JP
Chung, WH
Chung, YS
Ciobanu, CI
Ciocci, MA
Clark, A
Compostella, G
Convery, ME
Conway, J
Corbo, M
Cordelli, M
Cox, CA
Cox, DJ
Crescioli, F
Almenar, CC
Cuevas, J
Culbertson, R
Dagenhart, D
d'Ascenzo, N
Datta, M
de Barbaro, P
De Cecco, S
De Lorenzo, G
Dell'Orso, M
Deluca, C
Demortier, L
Deng, J
Deninno, M
Devoto, F
d'Errico, M
Di Canto, A
Di Ruzza, B
Dittmann, JR
D'Onofrio, M
Donati, S
Dong, P
Dorigo, M
Dorigo, T
Ebina, K
Elagin, A
Eppig, A
Erbacher, R
Errede, D
Errede, S
Ershaidat, N
Eusebi, R
Fang, HC
Farrington, S
Feindt, M
Fernandez, JP
Ferrazza, C
Field, R
Flanagan, G
Forrest, R
Frank, MJ
Franklin, M
Freeman, JC
Funakoshi, Y
Furic, I
Gallinaro, M
Galyardt, J
Garcia, JE
Garfinkel, AF
Garosi, P
Gerberich, H
Gerchtein, E
Giagu, S
Giakoumopoulou, V
Giannetti, P
Gibson, K
Ginsburg, CM
Giokaris, N
Giromini, P
Giunta, M
Giurgiu, G
Glagolev, V
Glenzinski, D
Gold, M
Goldin, D
Goldschmidt, N
Golossanov, A
Gomez, G
Gomez-Ceballos, G
Goncharov, M
Gonzalez, O
Gorelov, I
Goshaw, AT
Goulianos, K
Gresele, A
Grinstein, S
Grosso-Pilcher, C
Group, RC
da Costa, JG
Gunay-Unalan, Z
Haber, C
Hahn, SR
Halkiadakis, E
Hamaguchi, A
Han, JY
Happacher, F
Hara, K
Hare, D
Hare, M
Harr, RF
Hatakeyama, K
Hays, C
Heck, M
Heinrich, J
Herndon, M
Hewamanage, S
Hidas, D
Hocker, A
Hopkins, W
Horn, D
Hou, S
Hughes, RE
Hurwitz, M
Husemann, U
Hussain, N
Hussein, M
Huston, J
Introzzi, G
Iori, M
Ivanov, A
James, E
Jang, D
Jayatilaka, B
Jeon, EJ
Jha, MK
Jindariani, S
Johnson, W
Jones, M
Joo, KK
Jun, SY
Junk, TR
Kamon, T
Karchin, PE
Kato, Y
Ketchum, W
Keung, J
Khotilovich, V
Kilminster, B
Kim, DH
Kim, HS
Kim, HW
Kim, JE
Kim, MJ
Kim, SB
Kim, SH
Kim, YK
Kimura, N
Kirby, M
Klimenko, S
Kondo, K
Kong, DJ
Konigsberg, J
Kotwal, AV
Kreps, M
Kroll, J
Krop, D
Krumnack, N
Kruse, M
Krutelyov, V
Kuhr, T
Kurata, M
Kwang, S
Laasanen, AT
Lami, S
Lammel, S
Lancaster, M
Lander, RL
Lannon, K
Lath, A
Latino, G
Lazzizzera, I
LeCompte, T
Lee, E
Lee, HS
Lee, JS
Lee, SW
Leo, S
Leone, S
Lewis, JD
Lin, CJ
Linacre, J
Lindgren, M
Lipeles, E
Lister, A
Litvintsev, DO
Liu, C
Liu, Q
Liu, T
Lockwitz, S
Lockyer, NS
Loginov, A
Lucchesi, D
Lueck, J
Lujan, P
Lukens, P
Lungu, G
Lys, J
Lysak, R
Madrak, R
Maeshima, K
Makhoul, K
Maksimovic, P
Malik, S
Manca, G
Manousakis-Katsikakis, A
Margaroli, F
Marino, C
Martinez, M
Martinez-Ballarin, R
Mastrandrea, P
Mathis, M
Mattson, ME
Mazzanti, P
McFarland, KS
McIntyre, P
McNulty, R
Mehta, A
Mehtala, P
Menzione, A
Mesropian, C
Miao, T
Mietlicki, D
Mitra, A
Miyake, H
Moed, S
Moggi, N
Mondragon, MN
Moon, CS
Moore, R
Morello, MJ
Morlock, J
Fernandez, PM
Mukherjee, A
Muller, T
Murat, P
Mussini, M
Nachtman, J
Nagai, Y
Naganoma, J
Nakano, I
Napier, A
Nett, J
Neu, C
Neubauer, MS
Nielsen, J
Nodulman, L
Norniella, O
Nurse, E
Oakes, L
Oh, SH
Oh, YD
Oksuzian, I
Okusawa, T
Orava, R
Ortolan, L
Griso, SP
Pagliarone, C
Palencia, E
Papadimitriou, V
Paramonov, AA
Patrick, J
Pauletta, G
Paulini, M
Paus, C
Pellett, DE
Penzo, A
Phillips, TJ
Piacentino, G
Pianori, E
Pilot, J
Pitts, K
Plager, C
Pondrom, L
Potamianos, K
Poukhov, O
Prokoshin, F
Pronko, A
Ptohos, F
Pueschel, E
Punzi, G
Pursley, J
Rahaman, A
Ramakrishnan, V
Ranjan, N
Redondo, I
Renton, P
Rescigno, M
Rimondi, F
Ristori, L
Robson, A
Rodrigo, T
Rodriguez, T
Rogers, E
Rolli, S
Roser, R
Rossi, M
Rubbo, F
Ruffini, F
Ruiz, A
Russ, J
Rusu, V
Safonov, A
Sakumoto, WK
Sakurai, Y
Santi, L
Sartori, L
Sato, K
Saveliev, V
Savoy-Navarro, A
Schlabach, P
Schmidt, A
Schmidt, EE
Schmidt, MP
Schmitt, M
Schwarz, T
Scodellaro, L
Scribano, A
Scuri, F
Sedov, A
Seidel, S
Seiya, Y
Semenov, A
Sforza, F
Sfyrla, A
Shalhout, SZ
Shears, T
Shepard, PF
Shimojima, M
Shiraishi, S
Shochet, M
Shreyber, I
Simonenko, A
Sinervo, P
Sissakian, A
Sliwa, K
Smith, JR
Snider, FD
Soha, A
Somalwar, S
Sorin, V
Squillacioti, P
Stancari, M
Stanitzki, M
Denis, RS
Stelzer, B
Stelzer-Chilton, O
Stentz, D
Strologas, J
Strycker, GL
Sudo, Y
Sukhanov, A
Suslov, I
Takemasa, K
Takeuchi, Y
Tang, J
Tecchio, M
Teng, PK
Thom, J
Thome, J
Thompson, GA
Thomson, E
Ttito-Guzman, P
Tkaczyk, S
Toback, D
Tokar, S
Tollefson, K
Tomura, T
Tonelli, D
Torre, S
Torretta, D
Totaro, P
Trovato, M
Tu, Y
Ukegawa, F
Uozumi, S
Varganov, A
Vazquez, F
Velev, G
Vellidis, C
Vidal, M
Vila, I
Vilar, R
Vizan, J
Vogel, M
Volpi, G
Wagner, P
Wagner, RL
Wakisaka, T
Wallny, R
Wang, SM
Warburton, A
Waters, D
Weinberger, M
Wester, WC
Whitehouse, B
Whiteson, D
Wicklund, AB
Wicklund, E
Wilbur, S
Wick, F
Williams, HH
Wilson, JS
Wilson, P
Winer, BL
Wittich, P
Wolbers, S
Wolfe, H
Wright, T
Wu, X
Wu, Z
Yamamoto, K
Yamaoka, J
Yang, T
Yang, UK
Yang, YC
Yao, WM
Yeh, GP
Yi, K
Yoh, J
Yorita, K
Yoshida, T
Yu, GB
Yu, I
Yu, SS
Yun, JC
Zanetti, A
Zeng, Y
Zucchelli, S
AF Aaltonen, T.
Alvarez Gonzalez, B.
Amerio, S.
Amidei, D.
Anastassov, A.
Annovi, A.
Antos, J.
Apollinari, G.
Appel, J. A.
Apresyan, A.
Arisawa, T.
Artikov, A.
Asaadi, J.
Ashmanskas, W.
Auerbach, B.
Aurisano, A.
Azfar, F.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Barria, P.
Bartos, P.
Bauce, M.
Bauer, G.
Bedeschi, F.
Beecher, D.
Behari, S.
Bellettini, G.
Bellinger, J.
Benjamin, D.
Beretvas, A.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Bland, K. R.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Bortoletto, D.
Boudreau, J.
Boveia, A.
Brau, B.
Brigliadori, L.
Brisuda, A.
Bromberg, C.
Brucken, E.
Bucciantonio, M.
Budagov, J.
Budd, H. S.
Budd, S.
Burkett, K.
Busetto, G.
Bussey, P.
Buzatu, A.
Calancha, C.
Camarda, S.
Campanelli, M.
Campbell, M.
Canelli, F.
Canepa, A.
Carls, B.
Carlsmith, D.
Carosi, R.
Carrillo, S.
Carron, S.
Casal, B.
Casarsa, M.
Castro, A.
Catastini, P.
Cauz, D.
Cavaliere, V.
Cavalli-Sforza, M.
Cerri, A.
Cerrito, L.
Chen, Y. C.
Chertok, M.
Chiarelli, G.
Chlachidze, G.
Chlebana, F.
Cho, K.
Chokheli, D.
Chou, J. P.
Chung, W. H.
Chung, Y. S.
Ciobanu, C. I.
Ciocci, M. A.
Clark, A.
Compostella, G.
Convery, M. E.
Conway, J.
Corbo, M.
Cordelli, M.
Cox, C. A.
Cox, D. J.
Crescioli, F.
Almenar, C. Cuenca
Cuevas, J.
Culbertson, R.
Dagenhart, D.
d'Ascenzo, N.
Datta, M.
de Barbaro, P.
De Cecco, S.
De Lorenzo, G.
Dell'Orso, M.
Deluca, C.
Demortier, L.
Deng, J.
Deninno, M.
Devoto, F.
d'Errico, M.
Di Canto, A.
Di Ruzza, B.
Dittmann, J. R.
D'Onofrio, M.
Donati, S.
Dong, P.
Dorigo, M.
Dorigo, T.
Ebina, K.
Elagin, A.
Eppig, A.
Erbacher, R.
Errede, D.
Errede, S.
Ershaidat, N.
Eusebi, R.
Fang, H. C.
Farrington, S.
Feindt, M.
Fernandez, J. P.
Ferrazza, C.
Field, R.
Flanagan, G.
Forrest, R.
Frank, M. J.
Franklin, M.
Freeman, J. C.
Funakoshi, Y.
Furic, I.
Gallinaro, M.
Galyardt, J.
Garcia, J. E.
Garfinkel, A. F.
Garosi, P.
Gerberich, H.
Gerchtein, E.
Giagu, S.
Giakoumopoulou, V.
Giannetti, P.
Gibson, K.
Ginsburg, C. M.
Giokaris, N.
Giromini, P.
Giunta, M.
Giurgiu, G.
Glagolev, V.
Glenzinski, D.
Gold, M.
Goldin, D.
Goldschmidt, N.
Golossanov, A.
Gomez, G.
Gomez-Ceballos, G.
Goncharov, M.
Gonzalez, O.
Gorelov, I.
Goshaw, A. T.
Goulianos, K.
Gresele, A.
Grinstein, S.
Grosso-Pilcher, C.
Group, R. C.
da Costa, J. Guimaraes
Gunay-Unalan, Z.
Haber, C.
Hahn, S. R.
Halkiadakis, E.
Hamaguchi, A.
Han, J. Y.
Happacher, F.
Hara, K.
Hare, D.
Hare, M.
Harr, R. F.
Hatakeyama, K.
Hays, C.
Heck, M.
Heinrich, J.
Herndon, M.
Hewamanage, S.
Hidas, D.
Hocker, A.
Hopkins, W.
Horn, D.
Hou, S.
Hughes, R. E.
Hurwitz, M.
Husemann, U.
Hussain, N.
Hussein, M.
Huston, J.
Introzzi, G.
Iori, M.
Ivanov, A.
James, E.
Jang, D.
Jayatilaka, B.
Jeon, E. J.
Jha, M. K.
Jindariani, S.
Johnson, W.
Jones, M.
Joo, K. K.
Jun, S. Y.
Junk, T. R.
Kamon, T.
Karchin, P. E.
Kato, Y.
Ketchum, W.
Keung, J.
Khotilovich, V.
Kilminster, B.
Kim, D. H.
Kim, H. S.
Kim, H. W.
Kim, J. E.
Kim, M. J.
Kim, S. B.
Kim, S. H.
Kim, Y. K.
Kimura, N.
Kirby, M.
Klimenko, S.
Kondo, K.
Kong, D. J.
Konigsberg, J.
Kotwal, A. V.
Kreps, M.
Kroll, J.
Krop, D.
Krumnack, N.
Kruse, M.
Krutelyov, V.
Kuhr, T.
Kurata, M.
Kwang, S.
Laasanen, A. T.
Lami, S.
Lammel, S.
Lancaster, M.
Lander, R. L.
Lannon, K.
Lath, A.
Latino, G.
Lazzizzera, I.
LeCompte, T.
Lee, E.
Lee, H. S.
Lee, J. S.
Lee, S. W.
Leo, S.
Leone, S.
Lewis, J. D.
Lin, C. -J.
Linacre, J.
Lindgren, M.
Lipeles, E.
Lister, A.
Litvintsev, D. O.
Liu, C.
Liu, Q.
Liu, T.
Lockwitz, S.
Lockyer, N. S.
Loginov, A.
Lucchesi, D.
Lueck, J.
Lujan, P.
Lukens, P.
Lungu, G.
Lys, J.
Lysak, R.
Madrak, R.
Maeshima, K.
Makhoul, K.
Maksimovic, P.
Malik, S.
Manca, G.
Manousakis-Katsikakis, A.
Margaroli, F.
Marino, C.
Martinez, M.
Martinez-Ballarin, R.
Mastrandrea, P.
Mathis, M.
Mattson, M. E.
Mazzanti, P.
McFarland, K. S.
McIntyre, P.
McNulty, R.
Mehta, A.
Mehtala, P.
Menzione, A.
Mesropian, C.
Miao, T.
Mietlicki, D.
Mitra, A.
Miyake, H.
Moed, S.
Moggi, N.
Mondragon, M. N.
Moon, C. S.
Moore, R.
Morello, M. J.
Morlock, J.
Fernandez, P. Movilla
Mukherjee, A.
Muller, Th.
Murat, P.
Mussini, M.
Nachtman, J.
Nagai, Y.
Naganoma, J.
Nakano, I.
Napier, A.
Nett, J.
Neu, C.
Neubauer, M. S.
Nielsen, J.
Nodulman, L.
Norniella, O.
Nurse, E.
Oakes, L.
Oh, S. H.
Oh, Y. D.
Oksuzian, I.
Okusawa, T.
Orava, R.
Ortolan, L.
Griso, S. Pagan
Pagliarone, C.
Palencia, E.
Papadimitriou, V.
Paramonov, A. A.
Patrick, J.
Pauletta, G.
Paulini, M.
Paus, C.
Pellett, D. E.
Penzo, A.
Phillips, T. J.
Piacentino, G.
Pianori, E.
Pilot, J.
Pitts, K.
Plager, C.
Pondrom, L.
Potamianos, K.
Poukhov, O.
Prokoshin, F.
Pronko, A.
Ptohos, F.
Pueschel, E.
Punzi, G.
Pursley, J.
Rahaman, A.
Ramakrishnan, V.
Ranjan, N.
Redondo, I.
Renton, P.
Rescigno, M.
Rimondi, F.
Ristori, L.
Robson, A.
Rodrigo, T.
Rodriguez, T.
Rogers, E.
Rolli, S.
Roser, R.
Rossi, M.
Rubbo, F.
Ruffini, F.
Ruiz, A.
Russ, J.
Rusu, V.
Safonov, A.
Sakumoto, W. K.
Sakurai, Y.
Santi, L.
Sartori, L.
Sato, K.
Saveliev, V.
Savoy-Navarro, A.
Schlabach, P.
Schmidt, A.
Schmidt, E. E.
Schmidt, M. P.
Schmitt, M.
Schwarz, T.
Scodellaro, L.
Scribano, A.
Scuri, F.
Sedov, A.
Seidel, S.
Seiya, Y.
Semenov, A.
Sforza, F.
Sfyrla, A.
Shalhout, S. Z.
Shears, T.
Shepard, P. F.
Shimojima, M.
Shiraishi, S.
Shochet, M.
Shreyber, I.
Simonenko, A.
Sinervo, P.
Sissakian, A.
Sliwa, K.
Smith, J. R.
Snider, F. D.
Soha, A.
Somalwar, S.
Sorin, V.
Squillacioti, P.
Stancari, M.
Stanitzki, M.
Denis, R. St.
Stelzer, B.
Stelzer-Chilton, O.
Stentz, D.
Strologas, J.
Strycker, G. L.
Sudo, Y.
Sukhanov, A.
Suslov, I.
Takemasa, K.
Takeuchi, Y.
Tang, J.
Tecchio, M.
Teng, P. K.
Thom, J.
Thome, J.
Thompson, G. A.
Thomson, E.
Ttito-Guzman, P.
Tkaczyk, S.
Toback, D.
Tokar, S.
Tollefson, K.
Tomura, T.
Tonelli, D.
Torre, S.
Torretta, D.
Totaro, P.
Trovato, M.
Tu, Y.
Ukegawa, F.
Uozumi, S.
Varganov, A.
Vazquez, F.
Velev, G.
Vellidis, C.
Vidal, M.
Vila, I.
Vilar, R.
Vizan, J.
Vogel, M.
Volpi, G.
Wagner, P.
Wagner, R. L.
Wakisaka, T.
Wallny, R.
Wang, S. M.
Warburton, A.
Waters, D.
Weinberger, M.
Wester, W. C., III
Whitehouse, B.
Whiteson, D.
Wicklund, A. B.
Wicklund, E.
Wilbur, S.
Wick, F.
Williams, H. H.
Wilson, J. S.
Wilson, P.
Winer, B. L.
Wittich, P.
Wolbers, S.
Wolfe, H.
Wright, T.
Wu, X.
Wu, Z.
Yamamoto, K.
Yamaoka, J.
Yang, T.
Yang, U. K.
Yang, Y. C.
Yao, W. -M.
Yeh, G. P.
Yi, K.
Yoh, J.
Yorita, K.
Yoshida, T.
Yu, G. B.
Yu, I.
Yu, S. S.
Yun, J. C.
Zanetti, A.
Zeng, Y.
Zucchelli, S.
TI Observation of B-s(0) -> J/psi K*(892)(0) and B-s(0) -> J/psi K-S(0)
decays
SO PHYSICAL REVIEW D
LA English
DT Article
ID CDF; DETECTOR; UPGRADE; PACKAGE; SYSTEM
AB We report the first observation of two Cabibbo-suppressed decay modes of the B-s(0) meson. Using a sample of p (p) over bar collisions at root s = 1.96 TeV corresponding to 5: 9 fb(-1) of integrated luminosity collected with the CDF II, the collider detector at the Fermilab Tevatron, we search for new B-s(0) decay modes in a sample of events containing J/psi -> mu(+)mu(-) decays. We reconstruct a B-s(0) -> J/psi K*(892)(0) 0 signal with K*(892)(0) -> K+ pi(-), observing a yield of 151 +/- 25 events with a statistical significance of 8.0 sigma. We also reconstruct a B-s(0) -> J/psi K-s(0) signal with K-s(0) -> pi(+)pi(-) , observing a yield of 64 +/- 14 events with a statistical significance of 7.2 sigma. From these yields, we extract the branching ratios B(B-s(0) -> J/psi K* (892)(0) = (8.3 +/- 3.8) X 10(-5) and B(B-s(0) -> J/psi K-0) = (3.5 +/- 0.8) X 10(-5), where statistical, systematic, and fragmentation-fraction uncertainties are included in the combined uncertainty.
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RP Aaltonen, T (reprint author), Acad Sinica, Inst Phys, Taipei 11529, Taiwan.
RI Martinez Ballarin, Roberto/K-9209-2015; Gorelov, Igor/J-9010-2015;
Prokoshin, Fedor/E-2795-2012; Canelli, Florencia/O-9693-2016;
Scodellaro, Luca/K-9091-2014; Grinstein, Sebastian/N-3988-2014; Paulini,
Manfred/N-7794-2014; Russ, James/P-3092-2014; unalan,
zeynep/C-6660-2015; Lazzizzera, Ignazio/E-9678-2015; Garcia, Jose
/H-6339-2015; Cavalli-Sforza, Matteo/H-7102-2015; ciocci, maria agnese
/I-2153-2015; Chiarelli, Giorgio/E-8953-2012; Introzzi,
Gianluca/K-2497-2015; Piacentino, Giovanni/K-3269-2015; Ruiz,
Alberto/E-4473-2011; Warburton, Andreas/N-8028-2013; Kim,
Soo-Bong/B-7061-2014; Lysak, Roman/H-2995-2014; Moon,
Chang-Seong/J-3619-2014; Robson, Aidan/G-1087-2011; De Cecco,
Sandro/B-1016-2012; manca, giulia/I-9264-2012; Amerio,
Silvia/J-4605-2012; Punzi, Giovanni/J-4947-2012; Zeng, Yu/C-1438-2013;
Annovi, Alberto/G-6028-2012; Ivanov, Andrew/A-7982-2013
OI Martinez Ballarin, Roberto/0000-0003-0588-6720; Gorelov,
Igor/0000-0001-5570-0133; Prokoshin, Fedor/0000-0001-6389-5399; Canelli,
Florencia/0000-0001-6361-2117; Scodellaro, Luca/0000-0002-4974-8330;
Grinstein, Sebastian/0000-0002-6460-8694; Paulini,
Manfred/0000-0002-6714-5787; Russ, James/0000-0001-9856-9155; unalan,
zeynep/0000-0003-2570-7611; Lazzizzera, Ignazio/0000-0001-5092-7531;
ciocci, maria agnese /0000-0003-0002-5462; Chiarelli,
Giorgio/0000-0001-9851-4816; Introzzi, Gianluca/0000-0002-1314-2580;
Piacentino, Giovanni/0000-0001-9884-2924; Ruiz,
Alberto/0000-0002-3639-0368; Warburton, Andreas/0000-0002-2298-7315;
Moon, Chang-Seong/0000-0001-8229-7829; Punzi,
Giovanni/0000-0002-8346-9052; Annovi, Alberto/0000-0002-4649-4398;
Ivanov, Andrew/0000-0002-9270-5643
FU U.S. Department of Energy; National Science Foundation; Italian Istituto
Nazionale di Fisica Nucleare; Ministry of Education, Culture, Sports,
Science and Technology of Japan; Natural Sciences and Engineering
Research Council of Canada; National Science Council of the Republic of
China; Swiss National Science Foundation; A.P. Sloan Foundation;
Bundesministerium fur Bildung und Forschung, Germany; Korean World Class
University; National Research Foundation of Korea; Science and
Technology Facilities Council; Royal Society, UK; Institut National de
Physique Nucleaire et Physique des Particules/CNRS; Russian Foundation
for Basic Research; Ministerio de Ciencia e Innovacion; Programa
Consolider-Ingenio 2010, Spain; Slovak RD Agency; Academy of Finland
FX We thank the Fermilab staff and the technical staffs of the
participating institutions for their vital contributions. This work was
supported by the U.S. Department of Energy and National Science
Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the
Ministry of Education, Culture, Sports, Science and Technology of Japan;
the Natural Sciences and Engineering Research Council of Canada; the
National Science Council of the Republic of China; the Swiss National
Science Foundation; the A.P. Sloan Foundation; the Bundesministerium fur
Bildung und Forschung, Germany; the Korean World Class University
Program, the National Research Foundation of Korea; the Science and
Technology Facilities Council and the Royal Society, UK; the Institut
National de Physique Nucleaire et Physique des Particules/CNRS; the
Russian Foundation for Basic Research; the Ministerio de Ciencia e
Innovacion, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D
Agency; and the Academy of Finland.
NR 25
TC 9
Z9 9
U1 2
U2 13
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
J9 PHYS REV D
JI Phys. Rev. D
PD MAR 28
PY 2011
VL 83
IS 5
AR 052012
DI 10.1103/PhysRevD.83.052012
PG 11
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 741IE
UT WOS:000288856600001
ER
PT J
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CA ATLAS Collaboration
TI Search for Supersymmetry Using Final States with One Lepton, Jets, and
Missing Transverse Momentum with the ATLAS Detector in root s=7 TeV pp
Collisions
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SUPERGAUGE TRANSFORMATIONS; LOCAL SUPERSYMMETRY; GRAND UNIFICATION;
MODEL; FB(-1); PIONS
AB This Letter presents the first search for supersymmetry in final states containing one isolated electron or muon, jets, and missing transverse momentum from root s = 7 TeV proton-proton collisions at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of 35 pb(-1). No excess above the standard model background expectation is observed. Limits are set on the parameters of the minimal supergravity framework, extending previous limits. Within this framework, for A(0) = 0 GeV, tan beta = 3, and mu > 0 and for equal squark and gluino masses, gluino masses below 700 GeV are excluded at 95% confidence level.
C1 [Aad, G.; Ahles, F.; Beckingham, M.; Bernhard, R.; Bitenc, U.; Bruneliere, R.; Caron, S.; Carpentieri, C.; Christov, A.; Consorti, V.; Dahlhoff, A.; Dietrich, J.; Eckert, S.; Fehling-Kaschek, M.; Flechl, M.; Glatzer, J.; Hartert, J.; Heldmann, M.; Herten, G.; Horner, S.; Jakobs, K.; Ketterer, C.; Koenig, S.; Kollefrath, M.; Kononov, A. I.; Kuehn, S.; Lai, S.; Landgraf, U.; Lohwasser, K.; Ludwig, I.; Ludwig, J.; Lumb, D.; Mahboubi, K.; Meinhardt, J.; Mohr, W.; Nilsen, H.; Parzefall, U.; Bueso, X. Portell; Rammensee, M.; Runge, K.; Rurikova, Z.; Schmidt, E.; Schumacher, M.; Siegert, F.; Stoerig, K.; Sundermann, J. E.; Temming, K. K.; Thoma, S.; Tobias, J.; Tsiskaridze, V.; Venturi, M.; Vivarelli, I.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Wiik, L. A. M.; Winkelmann, S.; Xie, S.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, Freiburg, Germany.
[Alam, M. S.; Ernst, J.; Rojo, V.] SUNY Albany, Albany, NY 12222 USA.
[Bahinipati, S.; Buchanan, N. J.; Chan, K.; Chen, L.; Gingrich, D. M.; Kim, M. S.; Liu, S.; Lu, J.; Moore, R. W.; Pinfold, J. L.; Soni, N.; Subramania, H. S.] Univ Alberta, Dept Phys, Edmonton, AB, Canada.
[Cakir, O.; Ciftci, A. K.; Ciftci, R.; Persembe, S.] Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey.
[Yildiz, H. Duran] Dumlupinar Univ, Dept Phys, Kutahya, Turkey.
[Yilmaz, M.] Gazi Univ, Dept Phys, Ankara, Turkey.
[Sultansoy, S.] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey.
[Cakir, I. Turk] Turkish Atom Energy Commiss, Ankara, Turkey.
[Bella, L. Aperio; Aubert, B.; Aurousseau, M.; Berger, N.; Colas, J.; Di Ciaccio, L.; Doan, T. K. O.; El Kacimi, M.; Elles, S.; Ghez, P.; Gouanere, M.; Goy, C.; Guillemin, T.; Helary, L.; Hryn'ova, T.; Iengo, P.; Ionescu, G.; Jeremie, A.; Jezequel, S.; Kataoka, M.; Labbe, J.; Lafaye, R.; Massol, N.; Perrodo, P.; Przysiezniak, H.; Sauvage, G.; Todorov, T.; Tsionou, D.; Wingerter-Seez, I.; Zitoun, R.; Zolnierowski, Y.] Univ Savoie, Annecy Le Vieux, France.
[Bella, L. Aperio; Aubert, B.; Aurousseau, M.; Berger, N.; Colas, J.; Di Ciaccio, L.; Doan, T. K. O.; El Kacimi, M.; Elles, S.; Ghez, P.; Gouanere, M.; Goy, C.; Guillemin, T.; Helary, L.; Hryn'ova, T.; Iengo, P.; Ionescu, G.; Jeremie, A.; Jezequel, S.; Kataoka, M.; Labbe, J.; Lafaye, R.; Massol, N.; Perrodo, P.; Przysiezniak, H.; Sauvage, G.; Todorov, T.; Tsionou, D.; Wingerter-Seez, I.; Zitoun, R.; Zolnierowski, Y.] CNRS, IN2P3, LAPP, Annecy Le Vieux, France.
[Asquith, L.; Blair, R. E.; Chekanov, S.; Dawson, J. W.; Fellmann, D.; Gieraltowski, G. F.; Guarino, V. J.; Hill, D.; Hill, N.; Karr, K.; LeCompte, T.; Malon, D.; May, E. N.; Nodulman, L.; Paramonov, A.; Price, L. E.; Proudfoot, J.; Ferrando, B. M. Salvachua; Schlereth, J. L.; Stanek, R. W.; Underwood, D. G.; van Gemmeren, P.; Vaniachine, A.; Yoshida, R.; Zhang, J.] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
[Cheu, E.; Johns, K. A.; Kaushik, V.; Lampen, C. L.; Lampl, W.; Lei, X.; Loch, P.; Mal, P.; Ruhr, F.; Rutherfoord, J. P.; Shaver, L.; Shupe, M. A.; Varnes, E. W.] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA.
[Brandt, A.; De, K.; Farbin, A.; Heelan, L.; Kim, H.; Nilsson, P.; Ozturk, N.; Pravahan, R.; Sarkisyan-Grinbaum, E.; Sosebee, M.; Spurlock, B.; Stradling, A. R.; Usai, G.; Vartapetian, A.; White, A.; Yu, J.] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA.
[Antonaki, A.; Fassouliotis, D.; Giakoumopoulou, V.; Giokaris, N.; Ioannou, P.; Kourkoumelis, C.; Manousakis-Katsikakis, A.; Tzanakos, G.; Vellidis, C.] Univ Athens, Dept Phys, Athens, Greece.
[Alexopoulos, T.; Avramidou, R.; Dris, M.; Filippas, A.; Fokitis, M.; Gazis, E. N.; Iakovidis, G.; Katsoufis, E.; Leontsinis, S.; Maltezos, S.; Mountricha, E.; Panagiotopoulou, E.; Papadopoulou, Th. D.; Savva, P.; Tsipolitis, G.; Vlachos, S.; Xaplanteris, L.] Natl Tech Univ Athens, Dept Phys, Zografos, Greece.
[Abdinov, O.; Aliyev, M.; Khalil-zada, F.; Rzaeva, S.] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan.
[Abdallah, J.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Conidi, M. C.; Demirkoz, B.; Dosil, M.; Espinal Curull, X.; Fiorini, L.; Grinstein, S.; Helsens, C.; Korolkov, I.; Martinez, M.; Meoni, E.; Mir, L. M.; Miralles Verge, L.; Nadal, J.; Osuna, C.; Pacheco Pages, A.; Padilla Aranda, C.; Perez Codina, E.; Riu, I.; Rossetti, V.; Segura, E.; Sushkov, S.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] ICREA, Barcelona, Spain.
[Abdallah, J.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Conidi, M. C.; Demirkoz, B.; Dosil, M.; Espinal Curull, X.; Fiorini, L.; Grinstein, S.; Helsens, C.; Korolkov, I.; Martinez, M.; Meoni, E.; Mir, L. M.; Miralles Verge, L.; Nadal, J.; Osuna, C.; Pacheco Pages, A.; Padilla Aranda, C.; Perez Codina, E.; Riu, I.; Rossetti, V.; Segura, E.; Sushkov, S.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] Univ Autonoma Barcelona, E-08193 Barcelona, Spain.
[Abdallah, J.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Conidi, M. C.; Demirkoz, B.; Dosil, M.; Espinal Curull, X.; Fiorini, L.; Grinstein, S.; Helsens, C.; Korolkov, I.; Martinez, M.; Meoni, E.; Mir, L. M.; Miralles Verge, L.; Nadal, J.; Osuna, C.; Pacheco Pages, A.; Padilla Aranda, C.; Perez Codina, E.; Riu, I.; Rossetti, V.; Segura, E.; Sushkov, S.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] Inst Fis Altes Energies, Barcelona, Spain.
[Borjanovic, I.; Krstic, J.; Popovic, D. S.; Reljic, D.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.; Milosavljevic, M. Vranjes] Univ Belgrade, Inst Phys, Belgrade, Serbia.
[Bozovic-Jelisavcic, I.; Mamuzic, J.; Mudrinic, M.] Vinca Inst Nucl Sci, Belgrade, Serbia.
[Buanes, T.; Burgess, T.; Eigen, G.; Johansen, L. G.; Kastanas, A.; Liebig, W.; Lipniacka, A.; Mohn, B.; Oye, O. K.; Rosendahl, P. L.; Sandaker, H.; Sjursen, T. B.; Stugu, B.; Tonoyan, A.; Ugland, M.] Univ Bergen, Dept Phys & Technol, Bergen, Norway.
[Arguin, J-F.; Bach, A. M.; Galtieri, A. Barbaro; Barnett, R. M.; Beringer, J.; Biesiada, J.; Calafiura, P.; Ciocio, A.; Cooke, M.; Dube, S.; Einsweiler, K.; Ely, R.; Gaponenko, A.; Garcia-Sciveres, M.; Gilchriese, M.; Haber, C.; Heinemann, B.; Hinchliffe, I.; Hsu, S. -C.; Hurwitz, M.; Joseph, J.; Korn, A.; Lavrijsen, W.; Leggett, C.; Loscutoff, P.; Lys, J.; Madaras, R. J.; Quarrie, D. R.; Ruwiedel, C.; Scherzer, M. I.; Shapiro, M.; Siegrist, J.; Skinnari, L. A.; Stavropoulos, G.; Tatarkhanov, M.; Tompkins, L.; Vahsen, S.; Varouchas, D.; Virzi, J.; Yao, W-M.; Yao, Y.; Zenz, S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA.
[Aliev, M.; Brandt, G.; Giorgi, F. M.; Grancagnolo, S.; Herrberg, R.; Kind, O.; Kolanoski, H.; Kwee, R.; Lacker, H.; Leyton, M.; Lohse, T.; Mandrysch, R.; Nikiforov, A.; Garcia, Y. Rodriguez; Schulz, H.; zur Nedden, M.] Humboldt Univ, Dept Phys, Berlin, Germany.
[Battaglia, A.; Beck, H. P.; Borer, C.; Ereditato, A.; Martin, T. Fonseca; Gallo, V.; Haug, S.; Kabana, S.; Pretzl, K.; Topfel, C.; Venturi, N.; Weber, M. S.] Univ Bern, High Energy Phys Lab, Bern, Switzerland.
[Battaglia, A.; Beck, H. P.; Borer, C.; Ereditato, A.; Martin, T. Fonseca; Gallo, V.; Haug, S.; Kabana, S.; Pretzl, K.; Topfel, C.; Venturi, N.; Weber, M. S.] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland.
[Bansil, H. S.; Bracinik, J.; Bright-Thomas, P. G.; Charlton, D. G.; Collins, N. J.; Curtis, C. J.; Dowell, J. D.; Garvey, J.; Hadley, D. R.; Harrison, K.; Hawkes, C. M.; Head, S. J.; Hillier, S. J.; Lilley, J. N.; Mahout, G.; Martin, T. A.; Mclaughlan, T.; Newman, P. R.; O'Neale, S. W.; Palmer, J. D.; Slater, M.; Thomas, J. P.; Thompson, P. D.; Typaldos, D.; Watkins, P. M.; Watson, A. T.; Watson, M. F.; Wilson, J. A.] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England.
[Akdogan, T.; Arik, E.; Arik, M.; Istin, S.; Ozcan, V. E.; Rador, T.] Bogazici Univ, Dept Phys, Istanbul, Turkey.
[Cetin, S. A.] Dogus Univ, Div Phys, Istanbul, Turkey.
[Beddall, A. J.; Beddall, A.; Bingul, A.; Diblen, F.] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey.
[Beddall, A.] Istanbul Tech Univ, Dept Phys, TR-80626 Istanbul, Turkey.
[Antonelli, S.; Bellagamba, L.; Bertin, A.; Bindi, M.; Boscherini, D.; Bruni, A.; Bruni, G.; Bruschi, M.; Caforio, D.; Ciocca, C.; Corradi, M.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Giacobbe, B.; Giusti, P.; Jha, M. K.; Massa, I.; Mengarelli, A.; Monzani, S.; Piccinini, M.; Polini, A.; Rinaldi, L.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Spighi, R.; Valentinetti, S.; Villa, M.; Vitale, A.; Zoccoli, A.] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy.
[Antonelli, S.; Bertin, A.; Bindi, M.; Caforio, D.; Ciocca, C.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Massa, I.; Mengarelli, A.; Monzani, S.; Piccinini, M.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Valentinetti, S.; Villa, M.; Vitale, A.; Zoccoli, A.] Univ Bologna, Dipartmento Fis, Bologna, Italy.
[Alhroob, M.; Anders, C. F.; Arutinov, D.; Backhaus, M.; Barbero, M.; Bartsch, D.; Brock, I.; Cammin, J.; Cristinziani, M.; Desch, K.; Dingfelder, J.; Fischer, P.; Gaycken, G.; Geich-Gimbel, Ch.; Gonella, L.; Havranek, M.; Hillert, S.; Huegging, F.; Ince, T.; Janus, M.; Khoriauli, G.; Koevesarki, P.; Kokott, T.; Kostyukhin, V. V.; Kroseberg, J.; Krueger, H.; Kruth, A.; Lapoire, C.; Lehmacher, M.; Loddenkoetter, T.; Mathes, M.; Mazur, M.; Meuser, S.; Moeser, N.; Mueller, K.; Nanava, G.; Nattermann, T.; Nuncio-Quiroz, A. -E.; Hanninger, G. Nunes; Peric, I.; Poghosyan, T.; Psoroulas, S.; Radics, B.; Rottlaender, I.; Runolfsson, O.; Schmieden, K.; Schmitz, M.; Schumacher, J. W.; Stillings, J. A.; Stockmanns, T.; Therhaag, J.; Treis, J.; Tsung, J. -W.; Uchida, K.; Uhlenbrock, M.; Vlasov, N.; Vogel, A.; von Toerne, E.; Wermes, N.; Wienemann, P.; Zendler, C.; Zimmermann, R.; Zimmermann, S.] Univ Bonn, Inst Phys, D-5300 Bonn, Germany.
[Ahlen, S. P.; Black, K. M.; Butler, J. M.; Harrington, R. D.; Hazen, E.; Lewandowska, M.; Love, J.; Marin, A.; Nation, N. R.; Posch, C.; Shank, J. T.; Whitaker, S. P.; Yan, Z.; Youssef, S.] Boston Univ, Dept Phys, Boston, MA 02215 USA.
[Aefsky, S.; Amelung, C.; Bensinger, J. R.; Blocker, C.; Kirsch, L. E.; Pomeroy, D.; Skvorodnev, N.; Wellenstein, H.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA.
[Caloba, L. P.; Cerqueira, A. S.; Coura Torres, R.; Da Rocha Gesualdi Mello, A.; Da Silva, P. V. M.; do Vale, M. A. B.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Perantoni, M.; Seixas, J. M.] Univ Fed Rio de Janeiro, COPPE, EE, IF, Rio De Janeiro, Brazil.
[Donadelli, M.; Leite, M. A. L.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil.
[Adams, D. L.; Assamagan, K.; Baker, M. D.; Begel, M.; Bernius, C.; Chen, H.; Chernyatin, V.; Salgado, P. E. De Castro Faria; Dhullipudi, R.; Ernst, M.; Gadfort, T.; Gibbard, B.; Gordon, H. A.; Greenwood, Z. D.; Hackenburg, R.; Klimentov, A.; Lanni, F.; Lissauer, D.; Lynn, D.; Ma, H.; Maeno, T.; Majewski, S.; Nevski, P.; Nikolopoulos, K.; Damazio, D. Oliveira; Paige, F.; Panitkin, S.; Park, W.; Pleier, M. -A.; Poblaguev, A.; Polychronakos, V.; Protopopescu, S.; Purohit, M.; Rahm, D.; Rajagopalan, S.; Redlinger, G.; Sawyer, L.; Snyder, S.; Sondericker, J.; Steinberg, P.; Stumer, I.; Takai, H.; Tamsett, M. C.; Tarrade, F.; Trivedi, A.; Undrus, A.; Wenaus, T.; White, S.; Ye, S.; Yu, D.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Alexa, C.; Badescu, E.; Boldea, V.; Buda, S. I.; Caprini, I.; Caprini, M.; Caramarcu, C.; Ciubancan, M.; Constantinescu, S.; Dita, P.; Dita, S.; Micu, L.; Pantea, D.; Popeneciu, G. A.; Rotaru, M.; Stoicea, G.] Natl Inst Phys & Nucl Engn, Bucharest, Romania.
[Darlea, G. L.] W Univ Timisoara, Timisoara, Romania.
[Silva, M. L. Gonzalez; Otero y Garzon, G.; Piegaia, R.; Romeo, G.] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina.
[Ask, S.; Barber, T.; Barlow, N.; Batley, J. R.; Brochu, F. M.; Buttinger, W.; Carter, J. R.; Chapman, J. D.; Cowden, C.; French, S. T.; Frost, J. A.; Hill, J. C.; Khoo, T. J.; Lester, C. G.; Moeller, V.; Parker, M. A.; Phillips, A. W.; Robinson, D.; Sandoval, T.; Thomson, M.; Ward, C. P.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
[Archambault, J. P.; Cojocaru, C. D.; Hughes-Jones, R. E.; Khakzad, M.; Liu, C.; McCarthy, T. G.; Oakham, F. G.; Randrianarivony, K.; Ueno, R.; Vincter, M. G.; Whalen, K.] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada.
[Aleksa, M.; Amaral, P.; Anghinolfi, F.; Arfaoui, S.; Baak, M. A.; Bachas, K.; Bachy, G.; Pedrosa, F. Baltasar Dos Santos; Banfi, D.; Battistin, M.; Bellina, F.; Beltramello, O.; Berge, D.; Bertinelli, F.; Bianchi, R. M.; Blanchot, G.; Bogaerts, J. A.; Boyd, J.; Braem, A.; Bremer, J.; Burckhart, H.; Butin, F.; Campana, S.; Garrido, M. D. M. Capeans; Carli, T.; Cataneo, F.; Catinaccio, A.; Cattai, A.; Cerri, A.; Chromek-Burckhart, D.; Cook, J.; Cote, D.; Danielsson, H. O.; Dauvergne, J. P.; Branco, M. De Oliveira; Dell'Acqua, A.; Delmastro, M.; Delruelle, N.; Di Girolamo, A.; Di Girolamo, B.; Dittus, F.; Dobinson, R.; Dobson, E.; Drevermann, H.; Dudarev, A.; Duehrssen, M.; Dunford, M.; Dydak, F.; Eifert, T.; Ellis, N.; Elsing, M.; Fabre, C.; Farthouat, P.; Fassnacht, P.; Fedorko, I.; Flammer, J.; Foussat, A.; Francis, D.; Franz, S.; Froeschl, R.; Froidevaux, D.; Torregrosa, E. Fullana; Gabaldon, C.; Gallas, M. V.; Garelli, N.; Garonne, V.; Gayde, J-C.; Gianotti, F.; Gibson, S. M.; Godlewski, J.; Gonidec, A.; Goossens, L.; Gorini, B.; Grafstroem, P.; Gray, H. M.; Grognuz, J.; Gruwe, M.; Haas, S.; Hahn, F.; Haider, S.; Hatch, M.; Hauschild, M.; Hawkings, R. J.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Huhtinen, M.; Inigo-Golfin, J.; Jaekel, M. R.; Jantsch, A.; Jenni, P.; Jonsson, O.; Joram, C.; Kaplon, J.; Kerschen, N.; Klioutchnikova, T.; Knobloch, J.; Koblitz, B.; Koeneke, K.; Koffas, T.; Kollar, D.; Kotamaki, M. J.; La Rosa, A.; Lamanna, M.; Lantzsch, K.; Lasseur, C.; Lassnig, M.; Leahu, M.; Miotto, G. Lehmann; Lichard, P.; Magnoni, L.; Mapelli, A.; Mapelli, L.; Marchand, J. F.; Marchesotti, M.; Martin, B.; Maugain, J. M.; McLaren, R. A.; Menot, C.; Messina, A.; Meyer, T. C.; Michal, S.; Miele, P.; Molina-Perez, J.; Morley, A. K.; Mornacchi, G.; Nairz, A. M.; Negri, G.; Nessi, M.; Nicquevert, B.; Niinikoski, T.; Nordberg, M.; Nyman, T.; Palestini, S.; Pastore, Fr.; Pauly, T.; Pengo, R.; Pernegger, H.; Petersen, B. A.; Petersen, J.; Piacquadio, G.; Pirotte, O.; Pommes, K.; Poppleton, A.; Poulard, G.; Pribyl, L.; Price, M. J.; Raymond, M.; Rembser, C.; Dos Santos, D. Roda; Roe, S.; Salzburger, A.; Savu, D. O.; Schlenker, S.; Schott, M.; Schuh, S.; Schuler, G.; Sfyrla, A.; Shimizu, S.; Sloper, J.; Spigo, G.; Spiwoks, R.; Stanecka, E.; Stockton, M. C.; Sumida, T.; Szeless, B.; Tackmann, K.; Tappern, G. P.; Ten Kate, H.; Viegas, F. J. Tique Aires; Torchiani, I.; Tremblet, L.; Tricoli, A.; Tsarouchas, C.; Tyrvainen, H.; Unal, G.; Van der Ster, D.; Vandelli, W.; Vandoni, G.; Rodriguez, F. Varela; Veness, R.; Vinek, E.; Voss, R.; Vuillermet, R.; Wells, P. S.; Wengler, T.; Wenig, S.; Werner, P.; Wilkens, H. G.; Winklmeier, F.; Wotschack, J.; Zajacova, Z.; Zema, P. F.; Zsenei, A.; Zwalinski, L.] CERN, Geneva, Switzerland.
[Anderson, K. J.; Boveia, A.; Brubaker, E.; Canelli, F.; Choudalakis, G.; Costin, T.; Feng, E. J.; Fiascaris, M.; Gardner, R. W.; Gupta, A.; Jen-La Plante, I.; Kapliy, A.; Melachrinos, C.; Merritt, F. S.; Onyisi, P. U. E.; Oreglia, M. J.; Pilcher, J. E.; Shochet, M. J.; Tuggle, J. M.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Diaz, M. A.; Panes, B.; Quinonez, F.; Romero Maltrana, D.; Urrejola, P.] Catholic Univ Chile, Dept Fis, Santiago, Chile.
[Brooks, W. K.; Kuleshov, S.; Oyarzun, A.; Pezoa, R.; Prokoshin, F.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile.
[Bai, Y.; Cheng, S.; Han, H.; Jin, S.; Lu, F.; Ouyang, Q.; Shan, L. Y.; Tong, G.; Xie, Y.; Xu, G.; Yang, Y.; Yu, J.; Yuan, L.; Zheng, S.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
[D'Orazio, A.; Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Wu, Y.; Xu, C.; Zhao, Z.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China.
[Bocci, A.; Chen, S.; Chen, T.; Ping, J.; Zhong, J.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China.
[Feng, C.; Ge, P.; He, M.; Liu, D.; Meng, Z.; Miao, J.; Wang, J.; Zhang, X.; Zhu, C. G.] Shandong Univ, High Energy Phys Grp, Jinan, Shandong, Peoples R China.
[Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Gris, P. L. Y.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] CNRS, IN2P3, Aubiere, France.
[Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Gris, P. L. Y.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] Univ Clermont Ferrand, Aubiere, France.
[Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Gris, P. L. Y.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] Clermont Univ, Lab Phys Corpusculaire, Aubiere, France.
[Andeen, T.; Angerami, A.; Brooijmans, G.; Copic, K.; Dodd, J.; Grau, N.; Guo, J.; Hughes, E. W.; Leltchouk, M.; Mateos, D. Lopez; Marshall, Z.; Parsons, J. A.; Penson, A.; Perez, K.; Reale, V. Perez; Spano, F.; Tuts, P. M.; Urbaniec, D.; Williams, E.; Willis, W.; Wulf, E.; Zivkovic, L.] Columbia Univ, Nevis Lab, Irvington, NY USA.
[Boelaert, N.; Dam, M.; Driouichi, C.; Facius, K.; Hansen, J. R.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Heisterkamp, S.; Jakobsen, S.; Jez, P.; Joergensen, M. D.; Kadlecik, P.; Klinkby, E. B.; Lundquist, J.; Mackeprang, R.; Mehlhase, S.; Petersen, T. C.; Rensch, B.; Simonyan, M.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark.
[Capua, M.; Crosetti, G.; Fazio, S.; La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] Ist Nazl Fis Nucl, Grp C0ll Cosenza, Cosenza, Italy.
[Capua, M.; Crosetti, G.; Fazio, S.; La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy.
[Ciba, K.; Dabrowski, W.; Dwuznik, M.; Idzik, M.; Jelen, K.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Rulikowska-Zarebska, E.; Toczek, B.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland.
[Banas, E.; Blocki, J.; de Renstrom, P. A. Bruckman; Derendarz, D.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa.; Malecki, P.; Olszewski, A.; Olszowska, J.; Richter-Was, E.; Trzupek, A.; Turala, M.; Wolter, M. W.; Wosiek, B. K.; Zemla, A.] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland.
[Daya, R. K.; Yagci, K. Dindar; Firan, A.; Goldin, D.; Hadavand, H. K.; Hoffman, J.; Ilchenko, Y.; Ishmukhametov, R.; Joffe, D.; Kama, S.; Kasmi, A.; Kehoe, R.; Liang, Z.; Lu, L.; Renkel, P.; Rios, R. R.; Stroynowski, R.; Ye, J.; Zarzhitsky, P.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.
[Ahsan, M.; Galyaev, E.; Izen, J. M.; Lou, X.; Reeves, K.] Univ Texas Dallas, Dept Phys, Richardson, TX 75083 USA.
[Bechtle, P.; Kuutmann, E. Bergeaas; Boehler, M.; Ehrenfeld, W.; Ferrara, V.; Fischer, G.; Glazov, A.; Goebel, M.; Fajardo, L. S. Gomez; Gosdzik, B.; Gregor, I. M.; Hiller, K. H.; Hristova, I.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Lange, C.; Lobodzinska, E.; Ludwig, D.; Maettig, S.; Medinnis, M.; Mijovic, L.; Moenig, K.; Naumann, T.; Nozicka, M.; Cavalcanti, T. Perez; Petschull, D.; Piec, S. M.; Placakyte, R.; Qin, Z.; Rubinskiy, I.; Stelzer, H. J.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, D-2000 Hamburg, Germany.
[Bechtle, P.; Kuutmann, E. Bergeaas; Boehler, M.; Ehrenfeld, W.; Ferrara, V.; Fischer, G.; Glazov, A.; Goebel, M.; Fajardo, L. S. Gomez; Gosdzik, B.; Gregor, I. M.; Hiller, K. H.; Hristova, I.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Lange, C.; Lobodzinska, E.; Ludwig, D.; Maettig, S.; Medinnis, M.; Mijovic, L.; Moenig, K.; Naumann, T.; Nozicka, M.; Cavalcanti, T. Perez; Petschull, D.; Piec, S. M.; Placakyte, R.; Qin, Z.; Rubinskiy, I.; Stelzer, H. J.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, Zeuthen, Germany.
[Bunse, M.; Dobos, D.; Gossling, C.; Hirsch, F.; Klaiber-Lodewigs, J.; Klingenberg, R.; Krasel, O.; Mass, M.; Muenstermann, D.; Rajek, S.; Reisinger, I.; Walbersloh, J.; Weber, J.; Wunstorf, R.] Tech Univ Dortmund, Inst Expt Phys 4, Dortmund, Germany.
[Goepfert, T.; Kar, D.; Kobel, M.; Leonhardt, K.; Ludwig, A.; Mader, W. F.; Prudent, X.; Schwierz, R.; Seifert, F.; Steinbach, P.; Straessner, A.; Vest, A.] Tech Univ Dresden, Inst Kern & Teilchenphys, Dresden, Germany.
[Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Ebenstein, W. L.; Fowler, A. J.; Ko, B. R.; Oh, S. H.; Wang, C.; Yamaoka, J.] Duke Univ, Dept Phys, Durham, NC 27706 USA.
[Bhimji, W.; Buckley, A. G.; Clark, P. J.; O'Brien, B. J.; Wynne, B. M.] Univ Edinburgh, Sch Phys & Astron, SUPA, Edinburgh, Midlothian, Scotland.
[Griesmayer, E.] Fachhochschule Wiener Neustadt, Wiener Neustadt, Austria.
[Annovi, A.; Antonelli, M.; Bilokon, H.; Cerutti, F.; Curatolo, M.; Esposito, B.; Ferrer, M. L.; Gatti, C.; Laurelli, P.; Maccarrone, G.; Sansoni, A.; Testa, M.; Vilucchi, E.; Wen, M.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Abdelalim, A. A.; Alexandre, G.; Backes, M.; Bell, P. J.; Bell, W. H.; Berglund, E.; Blondel, A.; Bucci, F.; Clark, A.; Dao, V.; Efthymiopoulos, I.; Ferrere, D.; Gadomski, S.; Navarro, J. E. Garcia; Gaumer, O.; Gonzalez-Sevilla, S.; Goulette, M. P.; Hamilton, A.; Leger, A.; Lister, A.; Macina, D.; Latour, B. Martin Dit; Mikulec, B.; Moneta, L.; Herrera, C. Mora; Morone, M-C.; Nektarijevic, S.; Orellana, F.; Pasztor, G.; Pohl, M.; Robichaud-Veronneau, A.; Rosselet, L.; Urquijo, P.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland.
[Barberis, D.; Beccherle, R.; Caso, C.; Coccaro, A.; Cornelissen, T.; Cuneo, S.; Dameri, M.; Darbo, G.; Parodi, A. Ferretto; Gagliardi, G.; Gemme, C.; Morettini, P.; Olcese, M.; Osculati, B.; Parodi, F.; Rossi, L. P.; Schiavi, C.] Ist Nazl Fis Nucl, Sez Genova, Genoa, Italy.
[Barberis, D.; Caso, C.; Coccaro, A.; Cornelissen, T.; Cuneo, S.; Dameri, M.; Parodi, A. Ferretto; Gagliardi, G.; Osculati, B.; Parodi, F.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy.
[Chikovani, L.; Djobava, T.; Khubua, J.; Magradze, E.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Tbilisi State Univ, GE-380086 Tbilisi, Rep of Georgia.
[Chikovani, L.; Djobava, T.; Khubua, J.; Magradze, E.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, HEP Inst, GE-380060 Tbilisi, Rep of Georgia.
[Chikovani, L.; Djobava, T.; Khubua, J.; Magradze, E.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, Inst Phys, GE-380077 Tbilisi, Rep of Georgia.
[Astvatsatourov, A.; Duren, M.; Stenzel, H.] Univ Giessen, Inst Phys 2, D-6300 Giessen, Germany.
[Allwood-Spiers, S. E.; Bates, R. L.; Britton, D.; Bussey, P.; Buttar, C. M.; Collins-Tooth, C.; D'Auria, S.; Doherty, T.; Doyle, A. T.; Ferrag, S.; Gemmell, A.; Kenyon, M.; McGlone, H.; Moraes, A.; O'Shea, V.; Barrera, C. Oropeza; Pickford, A.; Robson, A.; Saxon, D. H.; Shaw, C.; Smith, K. M.; Denis, R. D. St.; Steele, G.; Stewart, G. A.; Thompson, A. S.; Wraight, K.; Wright, C.] Univ Glasgow, Sch Phys & Astron, SUPA, Glasgow, Lanark, Scotland.
[Ay, C.; Blumenschein, U.; Brandt, O.; Erdmann, J.; Evangelakou, D.; Grosse-Knetter, J.; Guindon, S.; Haller, J.; Henrichs, A.; Hensel, C.; Keil, M.; Knue, A.; Kohn, F.; Krieger, N.; Kroeninger, K.; Mann, A.; Meyer, J.; Morel, J.; Quadt, A.; Roe, A.; Shabalina, E.; Uhrmacher, M.; Weber, P.; Weingarten, J.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; de Saintignon, P.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.] Inst Natl Polytech Grenoble, F-38031 Grenoble, France.
[Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; de Saintignon, P.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.] CNRS, IN2P3, Grenoble, France.
[Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; de Saintignon, P.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, Grenoble, France.
[Addy, T. N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[Astvatsatourov, A.; da Costa, J. Barreiro Guimaraes; Belloni, A.; Brandenburg, G. W.; Franklin, M.; Hurst, P.; Huth, J.; Jeanty, L.; Kagan, M.; Outschoorn, V. Martinez; Mercurio, K. M.; Mills, C.; Moed, S.; Morii, M.; Prasad, S.; Smith, B. C.; della Porta, G. Zevi] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA.
[Andrei, V.; Childers, J. T.; Dietzsch, T. A.; Fohlisch, F.; Geweniger, C.; Hanke, P.; Henke, M.; Khomich, A.; Kluge, E. -E.; Lendermann, V.; Meier, K.; Mueller, F.; Poddar, S.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Physik, Heidelberg, Germany.
[Radescu, V.; Schaetzel, S.; Schoening, A.] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany.
[Kugel, A.; Maenner, R.; Schroer, N.] Heidelberg Univ, ZITI Inst Tech Informat, D-6800 Mannheim, Germany.
[Ohsugi, T.] Hiroshima Univ, Fac Sci, Hiroshima 730, Japan.
[Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan.
[Brunet, S.; Cwetanski, P.; Evans, H.; Gagnon, P.; Jain, V.; Luehring, F.; Marino, C. P.; Ogren, H.; Penwell, J.; Price, D.; Rust, D. R.; Whittington, D.; Yang, Y.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA.
[Epp, B.; Jussel, P.; Kneringer, E.; Kuhn, D.; Rudolph, G.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria.
[Behera, P. K.; Limper, M.; Mallik, U.; Zaidan, R.] Univ Iowa, Iowa City, IA USA.
[Cochran, J.; Dudziak, F.; Lebedev, A.; Mete, A. S.; Meyer, W. T.; Nelson, A.; Prell, S.; Rosenberg, E. I.; Ruiz-Martinez, A.; Triplett, N.; Yamamoto, K.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA.
[Aleksandrov, I. N.; Barashkou, A.; Bardin, D. Y.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chepurnov, V. F.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Glonti, G. L.; Gostkin, M. I.; Grigalashvili, N.; Gusakov, Y.; Huseynov, N.; Kalinovskaya, L. V.; Kazarinov, M. Y.; Kekelidze, G. D.; Kharchenko, D.; Khovanskiy, N.; Khramov, E.; Kolesnikov, V.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Lazarev, A. B.; Malyukov, S.; Manjavidze, I. D.; Minashvili, I. A.; Mineev, M.; Nikolaev, K.; Olchevski, A. G.; Peshekhonov, V. D.; Romanov, V. M.; Rumyantsev, L.; Rusakovich, N. A.; Sadykov, R.; Sisakyan, A. N.; Topilin, N. D.; Vinogradov, V. B.; Zhemchugov, A.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia.
[Amako, K.; Arai, Y.; Doi, Y.; Haruyama, T.; Ikegami, Y.; Ikeno, M.; Ishii, K.; Ishino, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Makida, Y.; Manabe, A.; Mitsui, S.; Morita, Y.; Murakami, K.; Nagano, K.; Nozaki, M.; Odaka, S.; Ohska, T. K.; Sasaki, O.; Sasaki, T.; Suzuki, Y.; Tanaka, S.; Terada, S.; Tojo, J.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan.
[Hayakawa, T.; Homma, Y.; Ichimiya, R.; Ishikawa, A.; Kawagoe, K.; King, M.; Kiyamura, H.; Kurashige, H.; Matsushita, T.; Miyazaki, K.; Nishiyama, T.; Ochi, A.; Okada, S.; Omachi, C.; Suita, K.; Takeda, H.; Tani, K.; Tokunaga, K.; Yamazaki, Y.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan.
[Sasao, N.] Kyoto Univ, Fac Sci, Kyoto, Japan.
[Takashima, R.] Kyoto Univ, Kyoto 612, Japan.
[Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Consejo Nacl Invest Cient & Tecn, La Plata, Argentina.
[Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Argentina.
[Barton, A. E.; Borissov, G.; Bouhova-Thacker, E. V.; Brodbeck, T. J.; Catmore, J. R.; Cheatham, S.; Chilingarov, A.; Davidson, R.; De Mora, L.; Fox, H.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Ratoff, P. N.; Sloan, T. J.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England.
[Bianco, M.; Brambilla, E.; Cataldi, G.; Cazzato, A.; Chiodini, G.; Coluccia, R.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] Ist Nazl Fis Nucl, Sez Lecce, Lecce, Italy.
[Bianco, M.; Brambilla, E.; Cazzato, A.; Coluccia, R.; Crupi, R.; Gorini, E.; Guida, A.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Fis, Lecce, Italy.
[Allport, P. P.; Austin, N.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Greenshaw, T.; Gwilliam, C. B.; Hayward, H. S.; Houlden, M. A.; Jackson, J. N.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kluge, T.; Kretzschmar, J.; Laycock, P.; Maxfield, S. J.; Mehta, A.; Migas, S.; Prichard, P. M.; Sellers, G.; Vossebeld, J. H.; Waller, P.; Wiglesworth, C.; Wrona, B.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England.
[Cindro, V.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Univ Ljubljana, Ljubljana, Slovenia.
[Cindro, V.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia.
[Adragna, P.; Bona, M.; Carter, A. A.; Cerrito, L.; Eisenhandler, E.; Ellis, K.; Landon, M. P. J.; Lloyd, S. L.; Morin, J.; Morris, J. D.; Piccaro, E.; Poll, J.; Rizvi, E.; Stevenson, K.; Castanheira, M. Teixeira Dias; Traynor, D.] Queen Mary Univ London, Dept Phys, London, England.
[Alam, M. A.; Berry, T.; Boisvert, V.; Boorman, G.; Cooper-Smith, N. J.; Cowan, G.; Edwards, C. A.; George, S.; Goncalo, R.; Hayden, D.; Kilvington, G.; Misiejuk, A.; Rose, M.; Strong, J. A.; Teixeira-Dias, P.] Royal Holloway Univ London, Dept Phys, Surrey, England.
[Baker, S.; Bernat, P.; Bieniek, S. P.; Boeser, S.; Butterworth, J. M.; Byatt, T.; Campanelli, M.; Christidi, I. A.; Cooper, B. D.; Davison, A. R.; Dean, S.; Drohan, J. G.; Jansen, E.; Jones, T. W.; Konstantinidis, N.; Monk, J.; Nash, M.; Nurse, E.; Prabhu, R.; Richards, A.; Robinson, J. E. M.; Sherwood, P.; Simmons, B.; Taylor, C.; Waugh, B. M.; Wijeratne, P. A.] UCL, Dept Phys & Astron, London, England.
[Beau, T.; Bordoni, S.; Calderini, G.; Camard, A.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lellouch, J.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] CNRS, IN2P3, Paris, France.
[Beau, T.; Bordoni, S.; Calderini, G.; Camard, A.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lellouch, J.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France.
[Akesson, T. P. A.; Alonso, A.; Groth-Jensen, J.; Hedberg, V.; Jarlskog, G.; Lundberg, B.; Lytken, E.; Meirose, B.; Mjornmark, J. U.; Smirnova, O.] Lund Univ, Fysiska Inst, Lund, Sweden.
[Barreiro, F.; Del Peso, J.; Glasman, C.; Labarga, L.; Lagouri, T.; March, L.; Nebot, E.; Rodier, S.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C 15, Madrid, Spain.
[Aharrouche, M.; Arnaez, O.; Bendel, M.; Blum, W.; Buscher, V.; Eckweiler, S.; Edmonds, K.; Ellinghaus, F.; Ertel, E.; Fiedler, F.; Fleckner, J.; Goeringer, C.; Handel, C.; Hohlfeld, M.; Ji, W.; Kawamura, G.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lungwitz, M.; Masetti, L.; Meyer, C.; Moreno, D.; Neusiedl, A.; Rieke, S.; Sander, H. G.; Schaefer, U.; Schmitt, C.; Schroeder, C.; Siragusa, G.; Tapprogge, S.; Anh, T. Vu] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany.
[Almond, J.; Brown, G.; Chavda, V.; Cox, B. E.; Da Via, C.; Duerdoth, I. P.; Forti, A.; Foster, J. M.; Howarth, J.; Ibbotson, M.; Jones, G.; Keates, J. R.; Kelly, M.; Kolya, S. D.; Lane, J. L.; Loebinger, F. K.; Marshall, R.; Martyniuk, A. C.; Marx, M.; Masik, J.; Miyagawa, P. S.; Oh, A.; Owen, M.; Pater, J. R.; Pilkington, A. D.; Plano, W. G.; Schwanenberger, C.; Snow, S. W.; Tevlin, C. M.; Watts, S.; Yang, U. K.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England.
[Aoun, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Kuna, M.; Le Guirriec, E.; Leveque, J.; Li, B.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, Marseille, France.
[Aoun, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Kuna, M.; Le Guirriec, E.; Leveque, J.; Li, B.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France.
[Brau, B.; Colon, G.; Dallapiccola, C.; Meade, A.; Moyse, E. J. W.; Thompson, E. N.; van Eldik, N.; Willocq, S.; Woudstra, M. J.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA.
[Chapleau, B.; Corriveau, F.; Dobbs, M.; Dufour, M-A.; Guler, H.; Klemetti, M.; Robertson, S. H.; Rios, C. Santamarina; Schram, M.; Vachon, B.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada.
[Barberio, E. L.; Davey, W.; Davidson, N.; Felzmann, C. U.; Kazi, S. I.; Limosani, A.; Moorhead, G. F.; Phan, A.; Sevior, M. E.; Shao, Q. T.; Taylor, G. N.; White, M. J.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.
[Armbruster, A. J.; Chapman, J. W.; Cirilli, M.; Dai, T.; Diehl, E. B.; Eppig, A.; Ferretti, C.; Goldfarb, S.; Harper, D.; Levin, D.; Li, X.; Liu, H.; Liu, J. B.; Mc Kee, S. P.; Neal, H. A.; Panikashvili, N.; Purdham, J.; Qian, J.; Scheirich, D.; Strandberg, J.; Thun, R. P.; Walch, S.; Wilson, A.; Yang, H.; Zhou, B.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Abolins, M.; Arabidze, G.; Brock, R.; Bromberg, C.; Caughron, S.; Comune, G.; Di Mattia, A.; Fedorko, W.; Hauser, R.; Heim, S.; Holzbauer, J. L.; Huston, J.; Koll, J.; Kraus, J.; Linnemann, J. T.; Mangeard, P. S.; Martin, B.; Miller, R. J.; Pope, B. G.; Ryan, P.; Schwienhorst, R.; Tollefson, K.; Zhang, H.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Acerbi, E.; Aleppo, M.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Bellomo, G.; Besana, M. I.; Broggi, F.; Caccia, M.; Carminati, L.; Cavalli, D.; Costa, G.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Giugni, D.; Koletsou, I.; Lari, T.; Lazzaro, A.; Lombardo, V. P.; Mandelli, L.; Mazzanti, M.; Meroni, C.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Tartarelli, G. F.; Troncon, C.; Vegni, G.; Volpini, G.] Ist Nazl Fis Nucl, Sez Milano, Milan, Italy.
[Acerbi, E.; Aleppo, M.; Andreazza, A.; Bellomo, G.; Besana, M. I.; Caccia, M.; Carminati, L.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Lazzaro, A.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Vegni, G.] Univ Milan, Dipartimento Fis, Milan, Italy.
[Bogouch, A.; Kulchitsky, Y.; Kurochkin, Y. A.; Satsounkevitch, I.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Inst Phys, Minsk, Byelarus.
[Gilewsky, V.; Kuzhir, P.; Rumiantsev, V.; Starovoitov, P.; Yanush, S.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus.
[Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[Azuelos, G.; Banerjee, P.; Bouchami, J.; Davies, M.; Ferland, J.; Gutierrez, A.; Lebel, C.; Leroy, C.; Goia, J. A. Macana; Martin, J. P.; Mehdiyev, R.; Scallon, O.] 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.; Tikhomirov, V. O.] Acad Sci, PN Lebedev Inst Phys, Moscow, Russia.
[Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Antonov, A.; Belotskiy, K.; Bondarenko, V. G.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Morozov, S. V.; Romaniouk, A.; Smirnov, S. Yu.; Soldatov, E.] Moscow Engn & Phys Inst MEPhI, Moscow, Russia.
[Gladilin, L. K.; Grishkevich, Y. V.; Kramarenko, V. A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia.
[Adomeit, S.; Biebel, O.; Calfayan, P.; de Graat, J.; Deile, M.; Duckeck, G.; Ebke, J.; Elmsheuser, J.; Engl, A.; Galea, C.; Genest, M. H.; Hertenberger, R.; Kennedy, J.; Kummer, C.; Legger, F.; Lichtnecker, M.; Mameghani, R.; Mueller, T. A.; Nunnemann, T.; Rauscher, F.; Reznicek, P.; Ruckert, B.; Sanders, M. P.; Schaile, D.; Schieck, J.; Serfon, C.; Staude, A.; Walker, R.; Will, J. Z.; Zhuang, X.] Univ Munich, Fak Phys, Munich, Germany.
[Aderholz, M.; Barillari, T.; Beimforde, M.; Bethke, S.; Capriotti, D.; Cortiana, G.; Dannheim, D.; Dietl, H.; Dubbert, J.; Ehrich, T.; Flowerdew, M. J.; Giovannini, P.; Gottfert, T.; Groh, M.; Haefner, P.; Hauff, D.; Hott, T.; Jantsch, A.; Kaiser, S.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kotov, S.; Kroha, H.; Lutz, G.; Macchiolo, A.; Manz, A.; Menke, S.; Mohrdieck-Moeck, S.; Moser, H. G.; Nisius, R.; Oberlack, H.; Pospelov, G. E.; Potrap, I. N.; Rauter, E.; Richter, R.; Salihagic, D.; Schacht, P.; Seuster, R.; Stonjek, S.; Valderanis, C.; von der Schmitt, H.; von Loeben, J.; Weigell, P.; Zhuravlov, V.] Werner Heisenberg Inst, Max Planck Inst Phys, Munich, Germany.
[Shimojima, M.; Tanaka, Y.] Nagasaki Inst Appl Sci, Nagasaki, Japan.
[Hasegawa, S.; Itoh, Y.; Ohshima, T.; Okumura, Y.; Sugimoto, T.; Takahashi, Y.; Tomoto, M.; Wakabayashi, J.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Carlino, G.; Cevenini, F.; Chiefari, G.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; della Volpe, D.; Doria, A.; Giordano, R.; Iacobucci, G.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sekhniaidze, G.] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Cevenini, F.; Chiefari, G.; della Volpe, D.; Giordano, R.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy.
[Gorelov, I.; Hoeferkamp, M. R.; Metcalfe, J.; Seidel, S. C.; Toms, K.; Wang, R.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA.
[Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Koenig, A. C.; Koetsveld, F.; Magrath, C. A.; Ordonez, G.; Raas, M.; Timmermans, C. J. W. P.] Radboud Univ Nijmegen Nikhef, Inst Math Astrophys & Particle Phys, Nijmegen, Netherlands.
[Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Buis, E. J.; Colijn, A. P.; Dankers, R.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Muijs, A.; Mussche, I.; Ottersbach, J. P.; Peters, O.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Salamanna, G.; Sandstroem, R.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.] Univ Amsterdam, Amsterdam, Netherlands.
[Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Buis, E. J.; Colijn, A. P.; Dankers, R.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Muijs, A.; Mussche, I.; Ottersbach, J. P.; Peters, O.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Salamanna, G.; Sandstroem, R.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
[Calkins, R.; Chakraborty, D.; de Lima, J. G. Rocha; Suhr, C.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL USA.
[Beloborodova, O.; Bobrovnikov, V. B.; Bogdanchikov, A.; Kazanin, V. A.; Kolachev, G. M.; Korol, A.; Malyshev, V.; Maslennikov, A. L.; Maximov, D. A.; Orlov, I.; Peleganchuk, S. V.; Schamov, A. G.; Skovpen, K.; Soukharev, A.; Talyshev, A.; Tikhonov, Y. A.; Zaytsev, A.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
[Budick, B.; Casadei, D.; Cranmer, K.; Djilkibaev, R.; van Huysduynen, L. Hooft; Konoplich, R.; Krasznahorkay, A.; Lewis, G. H.; Mincer, A. I.; Nemethy, P.; Neves, R. M.; Prokofiev, K.; Shibata, A.; Zhao, L.] NYU, Dept Phys, New York, NY 10003 USA.
[Fernando, W.; Fisher, M. J.; Gan, K. K.; Kagan, H.; Kass, R. D.; Moss, J.; Rahimi, A. M.; Strang, M.] Ohio State Univ, Columbus, OH 43210 USA.
[Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan.
[Abbott, B.; Gutierrez, P.; Huang, G. S.; Jana, D. K.; Marzin, A.; Meera-Lebbai, R.; Saleem, M.; Severini, H.; Skubic, P.; Snow, J.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA.
[Abi, B.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA.
[Hamal, P.; Kocnar, A.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic.
[Antos, J.; Brau, J. E.; Potter, C. T.; Ptacek, E.; Reinsch, A.; Robinson, M.; Searcy, J.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA.
[Abreu, H.; Arnault, C.; Auge, E.; Azuma, Y.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J. -B.; Bourdarios, C.; Breton, D.; Collard, C.; De La Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Falou, A. C.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Nakahama, Y.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] CNRS, IN2P3, F-91405 Orsay, France.
[Abreu, H.; Arnault, C.; Auge, E.; Azuma, Y.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J. -B.; Bourdarios, C.; Breton, D.; Collard, C.; De La Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Falou, A. C.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Nakahama, Y.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] Univ Paris 11, LAL, Orsay, France.
[Hanagaki, K.; Hirose, M.; Meguro, T.; Nomachi, M.; Sugaya, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan.
[Bugge, L.; Buran, T.; Cameron, D.; Cogneras, E.; Czyczula, Z.; Gjelsten, B. K.; Lund, E.; Ould-Saada, F.; Pajchel, K.; Pylypchenko, Y.; Read, A. L.; Rohne, O.; Samset, B. H.; Stapnes, S.; Strandlie, A.; Taga, A.] Univ Oslo, Dept Phys, Oslo, Norway.
[Abdesselam, A.; Apolle, R.; Barr, A. J.; Beauchemin, P. H.; Boddy, C. R.; Brett, N. D.; Buchanan, J.; Buckingham, R. M.; Buira-Clark, D.; Coe, P.; Coniavitis, E.; Cooper-Sarkar, A. M.; Dehchar, M.; Doglioni, C.; Farrington, S. M.; Ferrando, J.; Gallas, E. J.; Gilbert, L. M.; Gwenlan, C.; Hawes, B. M.; Holmes, A.; Horton, K.; Howell, D. F.; Huffman, T. B.; Issever, C.; Karagoz, M.; King, R. S. B.; Kirsch, G. P.; Kundu, N.; Larner, A.; Lau, W.; Lavorato, A.; Liang, Z.; Livermore, S. S. A.; Loken, J.; Mattravers, C.; Mermod, P.; Nickerson, R. B.; Pinder, A.; Ryder, N. C.; Short, D.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Whitehead, S. R.; Wooden, G.] Univ Oxford, Dept Phys, Oxford, England.
[Bellomo, M.; Cambiaghi, M.; Conta, C.; Ferrari, R.; Franchino, S.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.; Vercesi, V.] Ist Nazl Fis Nucl, Sez Pavia, Pavia, Italy.
[Cambiaghi, M.; Conta, C.; Franchino, S.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy.
[Alison, J.; Degenhardt, J.; Donega, M.; Dressnandt, N.; Fratina, S.; Hance, M.; Hines, E.; Jackson, B.; Kroll, J.; Kunkle, J.; LeGeyt, B. C.; Lipeles, E.; Martin, F. F.; Olivito, D.; Ospanov, R.; Reece, R.; Stahlman, J.; Thomson, E.; Wagner, P.; Williams, H. H.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA.
[Fedin, O. L.; Gratchev, V.; Grebenyuk, O. G.; Maleev, V. P.; Nesterov, S. Y.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Zalite, Yo. K.] Petersburg Nucl Phys Inst, Gatchina, Russia.
[Bertolucci, F.; Cascella, M.; Cavasinni, V.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy.
[Bertolucci, F.; Cascella, M.; Cavasinni, V.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy.
[Boudreau, J.; Boulahouache, C.; Cleland, W.; Kittelmann, T.; Mueller, J.; Paolone, V.; Prieur, D.; Savinov, V.; Tsulaia, V.; Wendler, S.; Yoosoofmiya, R.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA.
[Aguilar-Saavedra, J. A.; Amorim, A.; Anjos, N.; Carvalho, J.; Coccaro, A.; Conde Muino, P.; Do Valle Wemans, A.; Fernandes, B.; Fiolhais, M. C. N.; Gomes, A.; Jorge, P. M.; Lopes, L.; Machado Miguens, J.; Magalhaes Martins, P. J.; Maio, A.; Maneira, J.; Morais, A.; Oliveira, M.; Onofre, A.; Palma, A.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Soares, M.; Veloso, F.; Wolters, H.; Yuan, L.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal.
[Aguilar-Saavedra, J. A.; Castro, N. F.] Univ Granada, CAFPE, Granada, Portugal.
[Aguilar-Saavedra, J. A.; Castro, N. F.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Portugal.
[Chudoba, J.; Gallus, P.; Gunther, J.; Hruska, I.; Juranek, V.; Kepka, O.; Kupco, A.; Kus, V.; Kvasnicka, O.; Lipinsky, L.; Lokajicek, M.; Marcisovsky, M.; Mikestikova, M.; Myska, M.; Nemecek, S.; Panuskova, M.; Ruzicka, P.; Schovancova, J.; Sicho, P.; Staroba, P.; Tasevsky, M.; Tic, T.; Valenta, J.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic.
[Davidek, T.; Dolejsi, J.; Dolezal, Z.; Drasal, Z.; Kodys, P.; Leitner, R.; Novakova, J.; Rybar, M.; Spousta, M.; Strachota, P.; Suk, M.; Sykora, T.; Tas, P.; Valkar, S.; Vorobel, V.; Wilhelm, I.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic.
[Augsten, K.; Holy, T.; Horazdovsky, T.; Hubacek, Z.; Jakubek, J.; Kohout, Z.; Kral, V.; Krejci, F.; Pospisil, S.; Simak, V.; Slavicek, T.; Smolek, K.; Sodomka, J.; Solar, M.; Solc, J.; Sopko, V.; Sopko, B.; Stekl, I.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Ammosov, V. V.; Borisov, A.; Bozhko, N. I.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Gapienko, V. A.; Golovnia, S. N.; Gorokhov, S. A.; Goryachev, V. N.; Gushchin, V. N.; Ivashin, A. V.; Kabachenko, V. V.; Karyukhin, A. N.; Kholodenko, A. G.; Kiver, A. M.; Kopikov, S. V.; Koreshev, V.; Korotkov, V. A.; Kozhin, A. S.; Lapin, V. V.; Larionov, A. V.; Levitski, M. S.; Minaenko, A. A.; Mitrofanov, G. Y.; Moisseev, A. M.; Myagkov, A. G.; Nikolaenko, V.; Pleskach, A. V.; Ryadovikov, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Sviridov, Yu. M.; Vorobiev, A. P.; Vovenko, A. S.; Zaets, V. G.; Zaitsev, A. M.; Zenin, A. V.; Zenin, O.; Zmouchko, V. V.] State Res Ctr Inst High Energy Phys, Protvino, Russia.
[Adye, T.; Baines, J. T.; Barnett, B. M.; Botterill, D.; Burke, S.; Clifft, R. W.; Dallison, S. J.; Dewhurst, A.; Emeliyanov, D.; Fisher, S. M.; Gallop, B. J.; Gee, C. N. P.; Gillman, A. R.; Greenfield, D.; Haywood, S. J.; Kirk, J.; Mattravers, C.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Nash, M.; Norton, P. R.; Phillips, P. W.; Sankey, D. P. C.; Scott, W. G.; Strube, J.; Tyndel, M.; Weber, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England.
[Benslama, K.; Ju, X.; Ming, Y.; Ortega, E. O.; Smit, G. V. Ybeles] Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada.
[Tanaka, S.] Ritsumeikan Univ, Shiga, Japan.
[Anulli, F.; Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Cavallari, A.; Ciapetti, G.; D'Orazio, A.; De Pedis, D.; De Salvo, A.; Dionisi, C.; Falciano, S.; Gentile, S.; Giagu, S.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Luminari, L.; Maiani, C.; Marzano, F.; Mirabelli, G.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Valente, P.; Vari, R.; Veneziano, S.; Zanello, L.] Ist Nazl Fis Nucl, Sez Roma 1, Rome, Italy.
[Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Cavallari, A.; Ciapetti, G.; Dionisi, C.; Gentile, S.; Giagu, S.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy.
[Aielli, G.; Camarri, P.; Cardarelli, R.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Liberti, B.; Marchese, F.; Paoloni, A.; Salamon, A.; Santonico, R.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy.
[Aielli, G.; Camarri, P.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Marchese, F.; Paoloni, A.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy.
[Bacci, C.; Baroncelli, A.; Biglietti, M.; Branchini, P.; Ceradini, F.; Di Luise, S.; Di Micco, B.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Passeri, A.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Spiriti, E.; Stanescu, C.; Tonazzo, A.] Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy.
[Bacci, C.; Biglietti, M.; Ceradini, F.; Di Luise, S.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Tonazzo, A.] Univ Roma Tre, Dipartimento Fis, Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Gouighri, M.; Goujdami, D.; Hoummada, A.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco.
[Hoummada, A.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco.
[Cherkaoui El Moursli, R.] Univ Cadi Ayyad, Fac Sci Semlalia, Dept Phys, Marrakech 40000, Morocco.
[Derkaoui, J. E.; Ouchrif, M.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco.
[Derkaoui, J. E.; Ouchrif, M.] LPTPM, Oujda, Morocco.
[Ghazlane, H.] Univ Mohammed 5, Fac Sci, Rabat, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Boonekamp, M.; Chevalier, L.; Chevallier, F.; Ernwein, J.; Etienvre, A. I.; Formica, A.; Gauthier, L.; Giraud, P. F.; Guyot, C.; Hassani, S.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Le Menedeu, E.; Legendre, M.; Lenzi, B.; Mansoulie, B.; Meyer, J-P.; Morange, N.; Nicolaidou, R.; Ouraou, A.; Pomarede, D. M.; Resende, B.; Royon, C. R.; Schune, Ph.; Schwindling, J.; Simard, O.; Virchaux, M.; Yu, J.] CEA Saclay, DSM, IRFU, Inst Rech Lois Fondament Univ,Commiss Energie Ato, F-91191 Gif Sur Yvette, France.
[Bangert, A.; Chouridou, S.; Damiani, D. S.; Dubbs, T.; Fowler, K.; Grillo, A. A.; Hare, G. A.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Mitrevski, J.; Nielsen, J.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Forbush, D. A.; Goussiou, A. G.; Griffiths, J.; Harris, O. M.; Kuykendall, W.; Lubatti, H. J.; Mockett, P.; Policicchio, A.; Rosati, S.; Rothberg, J.; Ventura, D.; Verducci, M.; Wang, J. C.; Watts, G.; Zhao, T.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Anastopoulos, C.; Booth, C. N.; Booth, P.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Duxfield, R.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Mayne, A.; Mcfayden, J. A.; Nicolas, L.; Owen, S.; Paganis, E.; Sutton, M. R.; Tovey, D. R.; Tua, A.; Xu, D.] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England.
[Hasegawa, Y.; Ohshita, H.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan.
[Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Grybel, K.; Holder, M.; Ibragimov, I.; Rammes, M.; Sipica, V.; Stahl, T.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-5900 Siegen, Germany.
[Dawe, E.; Godfrey, J.; Komaragiri, J. R.; O'Neil, D. C.; Petteni, M.; Schouten, D.; Stelzer, B.; Trottier-McDonald, M.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Aracena, I.; Barklow, T.; Bartoldus, R.; Bawa, H. S.; Butler, B.; Cogan, J. G.; Gao, Y. S.; Grenier, P.; Haas, A.; Hansson, P.; Horn, C.; Jackson, P.; Kim, P. C.; Kocian, M.; Koi, T.; Lowe, A. J.; Miller, D. W.; Mount, R.; Nelson, S.; Nelson, T. K.; Salnikov, A.; Schwartzman, A.; Silverstein, D.; Smith, D.; Strauss, E.; Su, D.; Vetterli, M. C.; Wilson, M. G.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA.
[Batkova, L.; Federic, P.; Pecsy, M.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.; Zilka, B.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia.
[Bruncko, D.; Ferencei, J.; Kladiva, E.; Strizenec, P.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia.
[Braem, A.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa.
[Leney, K. J. C.; Vickey, T.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa.
[Asman, B.; Bohm, C.; Clement, C.; Eriksson, D.; Gellerstedt, K.; Hellman, S.; Hidvegi, A.; Holmgren, S. O.; Johansen, M.; Johansson, K. E.; Jon-And, K.; Lesser, J.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Papadelis, A.; Ramstedt, M.; Sellden, B.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Stockholm Univ, Dept Phys, Stockholm, Sweden.
[Asman, B.; Clement, C.; Gellerstedt, K.; Hellman, S.; Johansen, M.; Jon-And, K.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Ramstedt, M.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Oskar Klein Ctr, Stockholm, Sweden.
[Grahn, K-J.; Lund-Jensen, B.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden.
[Ahmad, A.; Caputo, R.; Deluca, C.; Devetak, E.; DeWilde, B.; Engelmann, R.; Farley, J.; Goodson, J. J.; Grassi, V.; Gray, J. A.; Hobbs, J.; Jia, J.; Khodinov, A.; McCarthy, R. L.; Mohapatra, S.; Rijssenbeek, M.; Schamberger, R. D.; Stupak, J.; Tsybychev, D.; Yurkewicz, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA.
[Bartsch, V.; De Santo, A.; Potter, C. J.; Salvatore, F.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England.
[Lee, J. S. H.; Patel, N.; Saavedra, A. F.; Varvell, K. E.; Waugh, A. T.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia.
[Chu, M. L.; Hou, S.; Lee, S. C.; Lin, S. C.; Liu, D.; Mazini, R.; Meng, Z.; Ren, Z. L.; Soh, D. A.; Teng, P. K.; Wang, J.; Wang, S. M.; Weng, Z.; Zhong, J.; Zhou, Y.] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Harpaz, S. Behar; Ben Ami, S.; Bressler, S.; Hershenhorn, A. D.; Kajomovitz, E.; Landsman, H.; Lifshitz, R.; Rozen, Y.; Tarem, S.; Tennenbaum-Katan, Y. D.; Vallecorsa, S.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel.
[Abramowicz, H.; Alexander, G.; Amram, N.; Bella, G.; Benary, O.; Benhammou, Y.; Brodet, E.; Etzion, E.; Gershon, A.; Ginzburg, J.; Guttman, N.; Hod, N.; Kreisel, A.; Mahalalel, Y.; Munwes, Y.; Oren, Y.; Reinherz-Aronis, E.; Sadeh, I.; Silver, Y.; Soffer, A.; Taiblum, N.; Urkovsky, E.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel.
[Iliadis, D.; Kordas, K.; Kouskoura, V.; Nomidis, I.; Petridis, A.; Petridou, C.; Sampsonidis, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece.
[Akimoto, G.; Asai, S.; Dohmae, T.; Imori, M.; Isobe, T.; Kanaya, N.; Kaneda, M.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Kubota, T.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Nomoto, H.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamamura, T.; Yamazaki, T.] Univ Tokyo, Dept Phys, Tokyo 113, Japan.
[Akimoto, G.; Asai, S.; Dohmae, T.; Imori, M.; Isobe, T.; Kanaya, N.; Kaneda, M.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Kubota, T.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Nomoto, H.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamamura, T.; Yamazaki, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan.
[Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan.
[Jinnouchi, O.; Kanno, T.; Kuze, M.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan.
[Bailey, D. C.; Bain, T.; Beare, B.; Brelier, B.; Cheung, S. L.; Deviveiros, P. O.; Dhaliwal, S.; Farooque, T.; Fatholahzadeh, B.; Gibson, A.; Guo, B.; Jankowski, E.; Krieger, P.; Le Maner, C.; Martens, F. K.; Orr, R. S.; Rezvani, R.; Rosenbaum, G. A.; Sandhu, P.; Savard, P.; Sinervo, P.; Spreitzer, T.; Tardif, D.; Teuscher, R. J.; Thompson, P. D.; Trischuk, W.] Univ Toronto, Dept Phys, Toronto, ON, Canada.
[Azuelos, G.; Canepa, A.; Caron, B.; Chekulaev, S. V.; Fortin, D.; Gingrich, D. M.; Losty, M. J.; Nugent, I. M.; Oakham, F. G.; Oram, C. J.; Savard, P.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada.
[Hara, K.; Kim, S. H.; Kurata, M.; Nagai, K.; Ukegawa, F.] Univ Tsukuba, Inst Pure & Appl Sci, Ibaraki, Japan.
[Hamilton, S.; Napier, A.; Rolli, S.; Sliwa, K.; Todorova-Nova, S.] Tufts Univ, Ctr Sci & Technol, Medford, MA 02155 USA.
[Losada, M.; Loureiro, K. F.; Navas, L. Mendoza; Navarro, G.; Rodriguez, D.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia.
[Benedict, B. H.; Bold, T.; Ciobotaru, M. D.; Deng, J.; Dobson, M.; Eschrich, I. Gough; Grabowska-Bold, I.; Hawkins, D.; Lankford, A. J.; Okawa, H.; Porter, R.; Scannicchio, D. A.; Taffard, A.; Toggerson, B.; Unel, G.; Werth, M.; Wheeler-Ellis, S. J.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
[Acharya, B. S.; Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.; Suruliz, K.] Ist Nazl Fis Nucl, Grp Coll Udine, Udine, Italy.
[Acharya, B. S.; Suruliz, K.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy.
[Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy.
[Benekos, N.; Coggeshall, J.; Cortes-Gonzalez, A.; Errede, D.; Errede, S.; Khandanyan, H.; Lie, K.; Liss, T. M.; McCarn, A.; Neubauer, M. S.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA.
[Belanger-Champagne, C.; Brenner, R.; Buszello, C. P.; Ekelof, T.; Ellert, M.; Ferrari, A.; Hansen, C. J.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden.
[Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] CSIC, Valencia, Spain.
[Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain.
[Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain.
[Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Ingn Elect, Valencia, Spain.
[Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain.
[Axen, D.; Gay, C.; Loh, C. W.; Mills, W. J.; Muir, A.; Swedish, S.; Viel, S.] Univ British Columbia, Dept Phys, Vancouver, BC, Canada.
[Astbury, A.; Banerjee, Sw; Bansal, V.; Berghaus, F.; Courneyea, L.; Fincke-Keeler, M.; Keeler, R.; Kowalewski, R.; Lefebvre, M.; Lessard, J-R.; McPherson, R. A.; Plamondon, M.; Sobie, R.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada.
[Kimura, N.; Yorita, K.] Waseda Univ, Tokyo, Japan.
[Alon, R.; Barak, L.; Duchovni, E.; Frank, T.; Gabizon, O.; Gross, E.; Klier, A.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Milstein, D.; Roth, I.; Silbert, O.; Smakhtin, V.; Vitells, O.] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel.
[Asfandiyarov, R.; Montoya, G. D. Carrillo; Hernandez, A. M. Castaneda; Castaneda-Miranda, E.; Chen, X.; Dos Anjos, A.; Fang, Y.; Fasching, D.; Castillo, L. R. Flores; Gonzalez, S.; Gutzwiller, O.; Ji, H.; Kashif, L.; Cheong, A. Leung Fook; Li, H.; Ma, L. L.; Garcia, B. R. Mellado; Pan, Y. B.; Pataraia, S.; Morales, M. I. Pedraza; Peng, H.; Poveda, J.; Quayle, W. B.; Sarangi, T.; Wang, H.; Wiedenmann, W.; Wu, S. L.; Zhu, Y.; Zobernig, G.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Fleischmann, P.; Meyer, J.; Redelbach, A.; Strohmer, R.; Trefzger, T.] Univ Wurzburg, Fak Phys & Astron, Wurzburg, Germany.
[Barisonzi, M.; Becks, K. H.; Boek, J.; Braun, H. M.; Dopke, J.; Drees, J.; Fleischmann, S.; Flick, T.; Gerlach, P.; Glitza, K. W.; Gorfine, G.; Grah, C.; Hamacher, K.; Harenberg, T.; Henss, T.; Hirschbuehl, D.; Imhaeuser, M.; Kalinin, S.; Kersten, S.; Kootz, A.; Kuhl, T.; Lenz, T.; Lenzen, G.; Maettig, P.; Mechtel, M.; Sandhoff, M.; Sandvoss, S.; Sartisohn, G.; Schultes, J.; Siebel, A.; Sturm, P.; Thadome, J.; Voss, T. T.; Wagner, W.; Wahlen, H.; Wicke, D.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany.
[Adelman, J.; Atoian, G.; Auerbach, B.; Baker, O. K.; Almenar, C. Cuenca; Demers, S.; Garberson, F.; Golling, T.; Guest, D.; Hsu, P. J.; Kaplan, B.; Lee, L.; Lockwitz, S.; Loginov, A.; Martin, A. J.; Schmidt, M. P.; Sherman, D.; Thioye, M.; Tipton, P.; Wall, R.; Zeller, M.] Yale Univ, Dept Phys, New Haven, CT USA.
[Grabski, V.; Hakobyan, H.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Biscarat, C.; Rahal, G.] CNRS, IN2P3, Ctr Calcul, Villeurbanne, France.
[Amorim, A.; Fernandes, B.; Gomes, A.; Jorge, P. M.; Lopes, L.; Maio, A.; Morais, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. G.; Silva, J.; Zajacova, Z.; Zhong, J.] Univ Lisbon, CFNUL, Lisbon, Portugal.
[Amorim, A.; Dos Anjos, A.; Fernandes, B.; Gomes, A.; Jorge, P. M.; Lopes, L.; Maio, A.; Morais, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. G.; Silva, J.; Zhong, J.] Univ Lisbon, Fac Ciencias, Lisbon, Portugal.
[Carvalho, J.; Fiolhais, M. C. N.; Magalhaes Martins, P. J.; Oliveira, M.; Wolters, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal.
[Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy.
[Mateos, D. Lopez; Marshall, Z.; Perez, K.] CALTECH, Pasadena, CA 91125 USA.
[Kono, T.; Terwort, M.; Wildt, M. A.] Univ Hamburg, Inst Expt Phys, Hamburg, Germany.
[Konoplich, R.] Manhattan Coll, New York, NY USA.
[Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal.
[Liang, Z.; Soh, D. A.; Weng, Z.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou, Peoples R China.
[Pasztor, G.; Toth, J.] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary.
[Vickey, T.] Jagiellonian Univ, Inst Phys, Krakow, Poland.
[Bawa, H. S.; Gao, Y. S.; Lowe, A. J.; Park, W.; Purohit, M.; Trivedi, A.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
[Dhullipudi, R.; Greenwood, Z. D.; Sawyer, L.] Louisiana Tech Univ, Ruston, LA 71270 USA.
[Lin, S. C.] Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei, Taiwan.
Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA.
[Arfaoui, S.] CNRS, IN2P3, Marseille, France.
[Arfaoui, S.] Aix Marseille Univ, CPPM, Marseille, France.
[Bold, T.; Grabowska-Bold, I.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland.
[Guler, H.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada.
[Huseynov, N.] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan.
[Yuan, L.] Univ Paris Diderot, Paris, France.
RP Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Freiburg, Germany.
RI Mora Herrera, Maria Clemencia/L-3893-2016; Maneira, Jose/D-8486-2011;
Prokoshin, Fedor/E-2795-2012; KHODINOV, ALEKSANDR/D-6269-2015; Morone,
Maria Cristina/P-4407-2016; Goncalo, Ricardo/M-3153-2016; Canelli,
Florencia/O-9693-2016; Battistoni, Giuseppe/B-5264-2012; Idzik,
Marek/A-2487-2017; Solodkov, Alexander/B-8623-2017; Zaitsev,
Alexandre/B-8989-2017; Monzani, Simone/D-6328-2017; Grancagnolo,
Francesco/K-2857-2015; Korol, Aleksandr/A-6244-2014; Karyukhin,
Andrey/J-3904-2014; Capua, Marcella/A-8549-2015; Tartarelli, Giuseppe
Francesco/A-5629-2016; la rotonda, laura/B-4028-2016; Booth,
Christopher/B-5263-2016; Gonzalez de la Hoz, Santiago/E-2494-2016; Guo,
Jun/O-5202-2015; Smirnova, Oxana/A-4401-2013; Aguilar Saavedra, Juan
Antonio/F-1256-2016; Leyton, Michael/G-2214-2016; Jones,
Roger/H-5578-2011; Vranjes Milosavljevic, Marija/F-9847-2016; Franco ,
Fernando /D-5021-2013; SULIN, VLADIMIR/N-2793-2015; Samset, Bjorn
H./B-9248-2012; Olshevskiy, Alexander/I-1580-2016; Cabrera Urban,
Susana/H-1376-2015; Cavalli-Sforza, Matteo/H-7102-2015; Ferrer,
Antonio/H-2942-2015; Hansen, John/B-9058-2015; Grancagnolo,
Sergio/J-3957-2015; Tikhomirov, Vladimir/M-6194-2015; Shmeleva,
Alevtina/M-6199-2015; Camarri, Paolo/M-7979-2015; Gavrilenko,
Igor/M-8260-2015; Akimov, Andrey/N-1769-2015; Chekulaev,
Sergey/O-1145-2015; Gorelov, Igor/J-9010-2015; Carvalho,
Joao/M-4060-2013; Grinstein, Sebastian/N-3988-2014; Lei,
Xiaowen/O-4348-2014; Demirkoz, Bilge/C-8179-2014; Ventura,
Andrea/A-9544-2015; Villaplana Perez, Miguel/B-2717-2015; Livan,
Michele/D-7531-2012; Mitsou, Vasiliki/D-1967-2009; CARPENTIERI,
CARMELA/E-2137-2015; Joergensen, Morten/E-6847-2015; Martins,
Paulo/M-1844-2014; Mir, Lluisa-Maria/G-7212-2015; Riu, Imma/L-7385-2014;
Morozov, Sergey/C-1396-2014; Villa, Mauro/C-9883-2009; Nemecek,
Stanislav/G-5931-2014; Staroba, Pavel/G-8850-2014; Lokajicek,
Milos/G-7800-2014; Kupco, Alexander/G-9713-2014; Marcisovsky,
Michal/H-1533-2014; Mikestikova, Marcela/H-1996-2014; Snesarev,
Andrey/H-5090-2013; Chudoba, Jiri/G-7737-2014; Peleganchuk,
Sergey/J-6722-2014; Santamarina Rios, Cibran/K-4686-2014; Bosman,
Martine/J-9917-2014; Kuleshov, Sergey/D-9940-2013; Anjos,
Nuno/I-3918-2013; Kartvelishvili, Vakhtang/K-2312-2013; Dawson,
Ian/K-6090-2013; Solfaroli Camillocci, Elena/J-1596-2012; Castro,
Nuno/D-5260-2011; Wolters, Helmut/M-4154-2013; Warburton,
Andreas/N-8028-2013; De, Kaushik/N-1953-2013; Sukharev,
Andrey/A-6470-2014; O'Shea, Val/G-1279-2010; Lee, Jason/B-9701-2014;
Mehdiyev, Rashid/H-6299-2013; Vanyashin, Aleksandr/H-7796-2013; Casadei,
Diego/I-1785-2013; La Rosa, Alessandro/I-1856-2013; Moraes,
Arthur/F-6478-2010; Conde Muino, Patricia/F-7696-2011; Boyko,
Igor/J-3659-2013; Takai, Helio/C-3301-2012; St.Denis,
Richard/C-8997-2012; branchini, paolo/A-4857-2011; collins-tooth,
christopher/A-9201-2012; spagnolo, stefania/A-6359-2012; Di Nardo,
Roberto/J-4993-2012; Della Pietra, Massimo/J-5008-2012; Andreazza,
Attilio/E-5642-2011; Bergeaas Kuutmann, Elin/A-5204-2013; Cascella,
Michele/B-6156-2013; messina, andrea/C-2753-2013; Amorim,
Antonio/C-8460-2013; Orlov, Ilya/E-6611-2012; Annovi,
Alberto/G-6028-2012; Brooks, William/C-8636-2013; Pina, Joao
/C-4391-2012; Gladilin, Leonid/B-5226-2011; Kramarenko,
Victor/E-1781-2012; Alexa, Calin/F-6345-2010; Moorhead,
Gareth/B-6634-2009; Petrucci, Fabrizio/G-8348-2012; Wemans,
Andre/A-6738-2012; Fabbri, Laura/H-3442-2012; Kurashige,
Hisaya/H-4916-2012; Kuzhir, Polina/H-8653-2012; Delmastro,
Marco/I-5599-2012; Weigell, Philipp/I-9356-2012; Veneziano,
Stefano/J-1610-2012; Di Micco, Biagio/J-1755-2012; Bauer,
Florian/G-8816-2011; Gutierrez, Phillip/C-1161-2011; Ferrando,
James/A-9192-2012; Perrino, Roberto/B-4633-2010; De Cecco,
Sandro/B-1016-2012; Wolter, Marcin/A-7412-2012; Nemecek,
Stanislav/C-3487-2012; Britton, David/F-2602-2010; Li,
Xuefei/C-3861-2012; Smirnova, Lidia/D-8089-2012; Smirnov,
Sergei/F-1014-2011; Robson, Aidan/G-1087-2011; valente,
paolo/A-6640-2010; Rotaru, Marina/A-3097-2011; Stoicea,
Gabriel/B-6717-2011; Losada, Marta/B-2261-2010; Buttar,
Craig/D-3706-2011; de Groot, Nicolo/A-2675-2009; Fazio, Salvatore
/G-5156-2010; Doyle, Anthony/C-5889-2009; Jakubek, Jan/E-6530-2011;
Marti-Garcia, Salvador/F-3085-2011
OI Mora Herrera, Maria Clemencia/0000-0003-3915-3170; Maneira,
Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399;
KHODINOV, ALEKSANDR/0000-0003-3551-5808; Morone, Maria
Cristina/0000-0002-0200-0632; Goncalo, Ricardo/0000-0002-3826-3442;
Canelli, Florencia/0000-0001-6361-2117; Battistoni,
Giuseppe/0000-0003-3484-1724; Solodkov, Alexander/0000-0002-2737-8674;
Zaitsev, Alexandre/0000-0002-4961-8368; Monzani,
Simone/0000-0002-0479-2207; Grancagnolo, Francesco/0000-0002-9367-3380;
Korol, Aleksandr/0000-0001-8448-218X; Maio, Amelia/0000-0001-9099-0009;
Fiolhais, Miguel/0000-0001-9035-0335; Karyukhin,
Andrey/0000-0001-9087-4315; Anjos, Nuno/0000-0002-0018-0633; Abdelalim,
Ahmed Ali/0000-0002-2056-7894; Capua, Marcella/0000-0002-2443-6525; Di
Micco, Biagio/0000-0002-4067-1592; Tartarelli, Giuseppe
Francesco/0000-0002-4244-502X; Doria, Alessandra/0000-0002-5381-2649;
Veloso, Filipe/0000-0002-5956-4244; Gomes,
Agostinho/0000-0002-5940-9893; la rotonda, laura/0000-0002-6780-5829;
Osculati, Bianca Maria/0000-0002-7246-060X; Amorim,
Antonio/0000-0003-0638-2321; Santos, Helena/0000-0003-1710-9291;
Coccaro, Andrea/0000-0003-2368-4559; De Lotto,
Barbara/0000-0003-3624-4480; Booth, Christopher/0000-0002-6051-2847;
Gonzalez de la Hoz, Santiago/0000-0001-5304-5390; Guo,
Jun/0000-0001-8125-9433; Smirnova, Oxana/0000-0003-2517-531X; Aguilar
Saavedra, Juan Antonio/0000-0002-5475-8920; Leyton,
Michael/0000-0002-0727-8107; Jones, Roger/0000-0002-6427-3513; Vranjes
Milosavljevic, Marija/0000-0003-4477-9733; Franco , Fernando
/0000-0002-5829-3155; SULIN, VLADIMIR/0000-0003-3943-2495; Samset, Bjorn
H./0000-0001-8013-1833; Olshevskiy, Alexander/0000-0002-8902-1793;
Ferrer, Antonio/0000-0003-0532-711X; Hansen, John/0000-0002-8422-5543;
Grancagnolo, Sergio/0000-0001-8490-8304; Tikhomirov,
Vladimir/0000-0002-9634-0581; Camarri, Paolo/0000-0002-5732-5645;
Gorelov, Igor/0000-0001-5570-0133; Carvalho, Joao/0000-0002-3015-7821;
Grinstein, Sebastian/0000-0002-6460-8694; Lei,
Xiaowen/0000-0002-2564-8351; Ventura, Andrea/0000-0002-3368-3413;
Villaplana Perez, Miguel/0000-0002-0048-4602; Livan,
Michele/0000-0002-5877-0062; Mitsou, Vasiliki/0000-0002-1533-8886;
CARPENTIERI, CARMELA/0000-0002-2994-0317; Joergensen,
Morten/0000-0002-6790-9361; Martins, Paulo/0000-0003-3753-3751; Mir,
Lluisa-Maria/0000-0002-4276-715X; Riu, Imma/0000-0002-3742-4582;
Morozov, Sergey/0000-0002-6748-7277; Villa, Mauro/0000-0002-9181-8048;
Mikestikova, Marcela/0000-0003-1277-2596; Peleganchuk,
Sergey/0000-0003-0907-7592; Santamarina Rios,
Cibran/0000-0002-9810-1816; Bosman, Martine/0000-0002-7290-643X;
Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci,
Elena/0000-0002-5347-7764; Castro, Nuno/0000-0001-8491-4376; Wolters,
Helmut/0000-0002-9588-1773; Warburton, Andreas/0000-0002-2298-7315; De,
Kaushik/0000-0002-5647-4489; O'Shea, Val/0000-0001-7183-1205; Lee,
Jason/0000-0002-2153-1519; Vanyashin, Aleksandr/0000-0002-0367-5666; La
Rosa, Alessandro/0000-0001-6291-2142; Moraes,
Arthur/0000-0002-5157-5686; Conde Muino, Patricia/0000-0002-9187-7478;
Boyko, Igor/0000-0002-3355-4662; Takai, Helio/0000-0001-9253-8307;
spagnolo, stefania/0000-0001-7482-6348; Della Pietra,
Massimo/0000-0003-4446-3368; Andreazza, Attilio/0000-0001-5161-5759;
Cascella, Michele/0000-0003-2091-2501; Orlov, Ilya/0000-0003-4073-0326;
Annovi, Alberto/0000-0002-4649-4398; Brooks,
William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Gladilin,
Leonid/0000-0001-9422-8636; Moorhead, Gareth/0000-0002-9299-9549;
Petrucci, Fabrizio/0000-0002-5278-2206; Wemans,
Andre/0000-0002-9669-9500; Fabbri, Laura/0000-0002-4002-8353; Kuzhir,
Polina/0000-0003-3689-0837; Delmastro, Marco/0000-0003-2992-3805;
Veneziano, Stefano/0000-0002-2598-2659; Ferrando,
James/0000-0002-1007-7816; Perrino, Roberto/0000-0002-5764-7337;
Britton, David/0000-0001-9998-4342; Smirnov, Sergei/0000-0002-6778-073X;
valente, paolo/0000-0002-5413-0068; Rotaru, Marina/0000-0003-3303-5683;
Stoicea, Gabriel/0000-0002-7511-4614; Doyle,
Anthony/0000-0001-6322-6195;
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS,
Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC; NRC;
CFI, Canada; CERN; CONICYT, Chile; CAS; MOST; NSFC, China; COLCIENCIAS,
Colombia; MSMT CR; MPO CR; VSC CR, Czech Republic; DNRF; DNSRC; Lundbeck
Foundation, Denmark; ARTEMIS; European Union; IN2P3-CNRS; CEA-DSM/IRFU,
France; GNAS, Georgia; BMBF; DFG; HGF; MPG; AvH Foundation, Germany;
GSRT, Greece; ISF; MINERVA; GIF; DIP; Benoziyo Center, Israel; INFN,
Italy; MEXT; JSPS, Japan; CNRST, Morocco; FOM and NWO, The Netherlands;
RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS),
Romania; MES of Russia; ROSATOM, Russian Federation; JINR; MSTD, Serbia;
MICINN, Spain; SRC; Wallenberg Foundation, Sweden; SER; SNSF; Cantons of
Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC; Royal
Society; Leverhulme Trust; United Kingdom; DOE; NSF, United States of
America
FX We thank CERN for the efficient commissioning and operation of the LHC
during this initial high-energy data-taking period as well as the
support staff from our institutions without whom ATLAS could not be
operated efficiently. We acknowledge the support of ANPCyT, Argentina;
YerPhI, Armenia; ARC, Australia; BMWF, 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; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU,
France; GNAS, Georgia; BMBF, DFG, HGF, MPG, and AvH Foundation, Germany;
GSRT, Greece; ISF, MINERVA, GIF, DIP, and Benoziyo Center, Israel; INFN,
Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, The
Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS
(MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR;
MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South
Africa; MICINN, 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. The crucial computing support from all
WLCG partners is acknowledged gratefully, in particular, from CERN and
the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway,
Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy),
NL-T1 (The Netherlands), PIC (Spain), ASGC (Taiwan), RAL (United
Kingdom), and BNL (USA) and in the Tier-2 facilities worldwide.
NR 41
TC 117
Z9 117
U1 8
U2 131
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 MAR 28
PY 2011
VL 106
IS 13
AR 131802
DI 10.1103/PhysRevLett.106.131802
PG 19
WC Physics, Multidisciplinary
SC Physics
GA 741IR
UT WOS:000288857900004
PM 21517374
ER
PT J
AU Jablin, MS
Zhernenkov, M
Toperverg, BP
Dubey, M
Smith, HL
Vidyasagar, A
Toomey, R
Hurd, AJ
Majewski, J
AF Jablin, Michael S.
Zhernenkov, Mikhail
Toperverg, Boris P.
Dubey, Manish
Smith, Hillary L.
Vidyasagar, Ajay
Toomey, Ryan
Hurd, Alan J.
Majewski, Jaroslaw
TI In-Plane Correlations in a Polymer-Supported Lipid Membrane Measured by
Off-Specular Neutron Scattering
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ROUGH SURFACES; REFLECTION; INTERFACES
AB Polymer-supported single lipid bilayers are models to study configurations of cell membranes. We used off-specular neutron scattering to quantify in-plane height-height correlations of interfacial fluctuations of such a lipid bilayer. As temperature decreased from 37 degrees C to 25 degrees C, the polymer swells and the polymer-supported lipid membrane deviates from its initially nearly planar structure. A correlation length characteristic of capillary waves changes from 30 mu m at 37 degrees C to 11 mu m at 25 degrees C, while the membrane bending rigidity remains roughly constant in this temperature range.
C1 [Jablin, Michael S.; Zhernenkov, Mikhail; Dubey, Manish; Smith, Hillary L.; Hurd, Alan J.; Majewski, Jaroslaw] Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA.
[Toperverg, Boris P.] Ruhr Univ Bochum, Dept Phys, D-44780 Bochum, Germany.
[Toperverg, Boris P.] Petersburg Nucl Phys Inst, St Petersburg 188300, Russia.
[Vidyasagar, Ajay; Toomey, Ryan] Univ S Florida, Dept Chem & Biomed Engn, Tampa, FL 33620 USA.
RP Jablin, MS (reprint author), Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, POB 1663, Los Alamos, NM 87545 USA.
EM jarek@lanl.gov
RI Dubey, Manish/C-9946-2011; Vidyasagar, Ajay/A-5412-2012; Lujan Center,
LANL/G-4896-2012;
OI Zhernenkov, Mikhail/0000-0003-3604-0672; Toperverg,
Boris/0000-0001-5166-7997
FU DOE Office of Basic Energy Sciences; Los Alamos National Laboratory
under DOE [DE-AC52-06NA25396]; Camille and Henry Dreyfus Foundation;
National Science Foundation [DMR-0645574]
FX This work benefited from the use of the Lujan Neutron Scattering Center
at LANSCE funded by the DOE Office of Basic Energy Sciences and Los
Alamos National Laboratory under DOE Contract No. DE-AC52-06NA25396.
This work was partially supported by the Camille and Henry Dreyfus
Foundation and a National Science Foundation CAREER Grant DMR-0645574.
We thank Professor Efim Kats (ILL, Grenoble, France) for enlightening
discussions.
NR 22
TC 17
Z9 17
U1 1
U2 25
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD MAR 28
PY 2011
VL 106
IS 13
AR 138101
DI 10.1103/PhysRevLett.106.138101
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 741IR
UT WOS:000288857900009
PM 21517422
ER
PT J
AU Bowring, MA
Bergman, RG
Tilley, TD
AF Bowring, Miriam A.
Bergman, Robert G.
Tilley, T. Don
TI Disambiguation of Metal and Bronsted Acid Catalyzed Pathways for
Hydroarylation with Platinum(II) Catalysts
SO ORGANOMETALLICS
LA English
DT Article
ID AROMATIC-SUBSTITUTION; TRIFLIC ACID; COMPLEXES; HYDROAMINATION;
ACTIVATION; OLEFINS; BENZENE; ALKANES
AB The hydroarylation of unactivated olefins effected by Pt(II) precatalysts was found to proceed through the in situ production of protic acid followed by a Friedel Crafts mechanism. The reaction was investigated using the hindered base 2,6-di-tert-butyl-4-methylpyridine and a variety of substrates.
C1 [Bergman, Robert G.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Bergman, RG (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM rbergman@berkeley.edu; tdtilley@berkeley.edu
FU Office of Energy Research, Office of Basic Energy Sciences, Chemical
Sciences Division, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX We gratefully acknowledge financial support from the Director of the
Office of Energy Research, Office of Basic Energy Sciences, Chemical
Sciences Division, of the U.S. Department of Energy under Contract
DE-AC02-05CH11231. We thank Kathryn Liu for the synthesis of starting
materials.
NR 19
TC 16
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U1 0
U2 15
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0276-7333
J9 ORGANOMETALLICS
JI Organometallics
PD MAR 28
PY 2011
VL 30
IS 6
BP 1295
EP 1298
DI 10.1021/om2000458
PG 4
WC Chemistry, Inorganic & Nuclear; Chemistry, Organic
SC Chemistry
GA 736DO
UT WOS:000288470900005
ER
PT J
AU Fulmer, GR
Kaminsky, W
Kemp, RA
Goldberg, KI
AF Fulmer, Gregory R.
Kaminsky, Werner
Kemp, Richard A.
Goldberg, Karen I.
TI Syntheses and Characterization of Palladium Complexes with a Hemilabile
"PCO" Pincer Ligand
SO ORGANOMETALLICS
LA English
DT Article
ID H BOND ACTIVATION; CARBON-DIOXIDE; PLATINUM(II) COMPLEXES; INSERTION
REACTIONS; REACTIVITY; IRIDIUM; CO2; HYDROXIDE; CARBAMATO; METALS
AB The synthesis of a new pincer ligand ((tBu)PCO = 2-(CH(2)P(t)Bu(2))-6-(CH(2)OCH(3))C(6)H(3)) is reported. This ligand has been observed to coordinate in three different modes to palladium. The (tBu)pco ligand coordinates in a monodentate fashion through the phosphine moiety in the dimeric [((tBu)PCO)Pd(Cl)(mu-Cl)](2). Bidentate coordination is observed through the phosphine and the aryl ring in the binuclear [((tBu)PCO)Pd(mu-OH)](2). The traditional tridentate coordination mode of a pincer is observed in the monomeric complex ((tBu)PCO)PdCl, wherein the ether oxygen provides the third point of attachment. Each of these novel palladium(II) complexes was characterized by NMR spectroscopy, elemental analyses, and single-crystal X-ray crystallography. A variety of other palladium(II) complexes of (tBu)PCO have also been prepared and characterized, including the hydroxide complex ((tBu)PCO)PdOH. The reactivity of the hydroxide complex with CO(2), CO, and H(2) is reported.
C1 [Kemp, Richard A.] Univ New Mexico, Dept Chem & Chem Biol, Albuquerque, NM 87131 USA.
[Fulmer, Gregory R.; Kaminsky, Werner; Goldberg, Karen I.] Univ Washington, Dept Chem, Seattle, WA 98195 USA.
[Kemp, Richard A.] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87106 USA.
RP Kemp, RA (reprint author), Univ New Mexico, Dept Chem & Chem Biol, Albuquerque, NM 87131 USA.
EM rakemp@unm.edu; goldberg@chem.washington.edu
FU Department of Energy [DE-FG02-06ER15765]
FX We thank the Department of Energy (DE-FG02-06ER15765) for support.
NR 36
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U2 18
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0276-7333
J9 ORGANOMETALLICS
JI Organometallics
PD MAR 28
PY 2011
VL 30
IS 6
BP 1627
EP 1636
DI 10.1021/om101150y
PG 10
WC Chemistry, Inorganic & Nuclear; Chemistry, Organic
SC Chemistry
GA 736DO
UT WOS:000288470900045
ER
PT J
AU Meyer, S
Schafer, J
Blumenstein, C
Hopfner, P
Bostwick, A
McChesney, JL
Rotenberg, E
Claessen, R
AF Meyer, S.
Schaefer, J.
Blumenstein, C.
Hoepfner, P.
Bostwick, A.
McChesney, J. L.
Rotenberg, E.
Claessen, R.
TI Strictly one-dimensional electron system in Au chains on Ge(001)
revealed by photoelectron k-space mapping
SO PHYSICAL REVIEW B
LA English
DT Article
ID SPIN
AB Atomic nanowires formed by Au on Ge(001) are scrutinized for the band topology of the conduction electron system by k-resolved photoemission. Two metallic electron pockets are observed. Their Fermi surface sheets form straight lines without undulations perpendicular to the chains within experimental uncertainty. The electrons hence emerge as strictly confined to one dimension. Moreover, the system is stable against a Peierls distortion down to 10 K, lending itself for studies of the spectral function.
C1 [Meyer, S.; Schaefer, J.; Blumenstein, C.; Hoepfner, P.; Claessen, R.] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany.
[Bostwick, A.; McChesney, J. L.; Rotenberg, E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Meyer, S (reprint author), Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany.
RI Bostwick, Aaron/E-8549-2010; McChesney, Jessica/K-8911-2013; Rotenberg,
Eli/B-3700-2009; Claessen, Ralph/A-2045-2017
OI McChesney, Jessica/0000-0003-0470-2088; Rotenberg,
Eli/0000-0002-3979-8844; Claessen, Ralph/0000-0003-3682-6325
FU DFG [Scha 1510/3-1, FOR 1162]; DOE [DE-AC03-76SF00098]
FX The authors are grateful to Y. S. Kim, L. Patthey, and T. Umbach for
technical support, and funding by the DFG (Grants No. Scha 1510/3-1 and
No. FOR 1162) and DOE (Grant No. DE-AC03-76SF00098).
NR 21
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U1 0
U2 22
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 28
PY 2011
VL 83
IS 12
AR 121411
DI 10.1103/PhysRevB.83.121411
PG 4
WC Physics, Condensed Matter
SC Physics
GA 741HV
UT WOS:000288855700003
ER
PT J
AU Sales, BC
Delaire, O
McGuire, MA
May, AF
AF Sales, Brian C.
Delaire, Olivier
McGuire, Michael A.
May, Andrew F.
TI Thermoelectric properties of Co-, Ir-, and Os-doped FeSi alloys:
Evidence for strong electron-phonon coupling
SO PHYSICAL REVIEW B
LA English
DT Article
ID LOW-TEMPERATURE TRANSPORT; THERMAL CONDUCTIVITY; BAND-STRUCTURE;
MONOSILICIDES; PURE
AB The effects of various transition-metal dopants on the electrical and thermal transport properties of Fe(1-x)M(x)Si alloys (M = Co, Ir, Os) are reported. The maximum thermoelectric figure of merit ZT(max) is improved from 0.007 at 60 K for pure FeSi to ZT = 0.08 at 100 K for 4% Ir doping. A comparison of the thermal conductivity data among Os-, Ir-, and Co-doped alloys indicates strong electron-phonon coupling in this compound. Because of this interaction, the common approximation of dividing the total thermal conductivity into independent electronic and lattice components (kappa(total) = kappa(electronic) + kappa(lattice)) fails for these alloys. The effects of grain size on thermoelectric properties of Fe(0.96)Ir(0.04)Si alloys are also reported. The thermal conductivity can be lowered by similar to 50% with little or no effect on the electrical resistivity or Seebeck coefficient. This results in ZT(max) = 0.125 at 100 K, still approximately a factor of 5 too low for solid-state refrigeration applications.
C1 [Sales, Brian C.; McGuire, Michael A.; May, Andrew F.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Delaire, Olivier] Oak Ridge Natl Lab, Div Neutron Sci, Oak Ridge, TN 37831 USA.
RP Sales, BC (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RI McGuire, Michael/B-5453-2009; May, Andrew/E-5897-2011
OI McGuire, Michael/0000-0003-1762-9406; May, Andrew/0000-0003-0777-8539
FU Material Sciences and Engineering Division, Office of Basic Energy
Sciences, US Department of Energy; ORNL; Scientific Users Facilities
Division, Office of Basic Energy Sciences US DOE; D.O.E. Frontier
Research Center [DE-SC00001299]
FX It is a pleasure to acknowledge useful discussions with David Mandrus,
David Parker, David Singh, and Paul Kent. The technical assistance of Hu
Longmire, Larry Walker, and Ed Kenik is gratefully acknowledged.
Research sponsored by the Material Sciences and Engineering Division,
Office of Basic Energy Sciences, US Department of Energy. Early portions
of this research were supported by the ORNL LDRD program. O.D. was
sponsored partially by the Scientific Users Facilities Division, Office
of Basic Energy Sciences US DOE and a D.O.E. Frontier Research Center,
DE-SC00001299.
NR 26
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 28
PY 2011
VL 83
IS 12
AR 125209
DI 10.1103/PhysRevB.83.125209
PG 7
WC Physics, Condensed Matter
SC Physics
GA 741HV
UT WOS:000288855700007
ER
PT J
AU Tseng, YC
Ma, HJ
Yang, CY
Mudryk, Y
Pecharsky, VK
Gschneidner, KA
Souza-Neto, NM
Haskel, D
AF Tseng, Yuan-Chieh
Ma, Hao-Jhong
Yang, Chao-Yao
Mudryk, Yaroslav
Pecharsky, Vitalij K.
Gschneidner, Karl A., Jr.
Souza-Neto, Narcizo M.
Haskel, Daniel
TI Effect of Si doping and applied pressure upon magnetostructural
properties of Tb-5(SixGe1-x)(4) magnetocaloric compounds
SO PHYSICAL REVIEW B
LA English
DT Article
ID MAGNETIC CIRCULAR-DICHROISM
AB The composition-and pressure-dependent magnetostructural properties of Tb-5(SixGe1-x)(4) (x = 0.4, 0.485, 0.625, and 0.7) were investigated using x-ray powder diffraction and x-ray magnetic circular dichroism in a diamond anvil cell, respectively. Substituting the smaller-size Si for Ge stabilizes a single-phase, ferromagnetic (FM) orthorhombic O(I) structure for x >= 0.7. Similarly, application of external pressure causes a canted antiferromagnetic orthorhombic O(II) sample (x=0.4) to transform into an FMO(I) phase at 4 GPa. The element- and orbital-specific x-ray absorption data indicate that the Tb 4f orbital occupation changes with external pressure, likely through 4f-5d electronic mixing, yet no changes in Tb 4f electronic structure are observed with Si doping. The results point to different mechanisms behind the enhancement of FM exchange interactions in Tb-5(SixGe1-x)(4) with chemical and applied pressure, respectively.
C1 [Tseng, Yuan-Chieh; Ma, Hao-Jhong; Yang, Chao-Yao] Natl Chiao Tung Univ, Dept Mat Sci & Engn, Hsinchu 30010, Taiwan.
[Mudryk, Yaroslav; Pecharsky, Vitalij K.; Gschneidner, Karl A., Jr.] Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA.
[Pecharsky, Vitalij K.; Gschneidner, Karl A., Jr.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
[Souza-Neto, Narcizo M.; Haskel, Daniel] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Tseng, YC (reprint author), Natl Chiao Tung Univ, Dept Mat Sci & Engn, Hsinchu 30010, Taiwan.
EM yctseng21@mail.nctu.edu.tw
RI Souza-Neto, Narcizo/G-1303-2010
OI Souza-Neto, Narcizo/0000-0002-7474-8017
FU National Science Council of Taiwan [NSC 98-2112-M-009 022-MY3]; US
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC-02-06CH11357]; U.S. Department of Energy, Office of Basic Energy
Science, Division of Materials Sciences and Engineering
[DE-AC02-07CH11358]
FX The authors would like to thank Hwo-Shuenn Hsu and Wei-Tsung Chuang for
their help in XRD data collection at the BL01C2 beamline of the National
Synchrotron Radiation Research Center at Taiwan. Work at National Chiao
Tung University is supported by the National Science Council of Taiwan
under Grant No. NSC 98-2112-M-009 022-MY3. Work at Argonne is supported
by the US Department of Energy, Office of Science, Office of Basic
Energy Sciences, under Contract No. DE-AC-02-06CH11357. Work at Ames
Laboratory is 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 with Iowa State University.
NR 33
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U1 1
U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD MAR 28
PY 2011
VL 83
IS 10
AR 104419
DI 10.1103/PhysRevB.83.104419
PG 7
WC Physics, Condensed Matter
SC Physics
GA 741HL
UT WOS:000288854700003
ER
PT J
AU Aggarwal, MM
Ahammed, Z
Alakhverdyants, AV
Alekseev, I
Alford, J
Anderson, BD
Anson, CD
Arkhipkin, D
Averichev, GS
Balewski, J
Barnby, LS
Beavis, DR
Bellwied, R
Betancourt, MJ
Betts, RR
Bhasin, A
Bhati, AK
Bichsel, H
Bielcik, J
Bielcikova, J
Biritz, B
Bland, LC
Borowski, W
Bouchet, J
Braidot, E
Brandin, AV
Bridgeman, A
Bruna, E
Bueltmann, S
Bunzarov, I
Burton, TP
Cai, XZ
Caines, H
Sanchez, MCD
Cebra, D
Cendejas, R
Cervantes, MC
Chajecki, Z
Chaloupka, P
Chattopadhyay, S
Chen, HF
Chen, JH
Chen, JY
Cheng, J
Cherney, M
Chikanian, A
Choi, KE
Christie, W
Chung, P
Codrington, MJM
Corliss, R
Cramer, JG
Crawford, HJ
Dash, S
Leyva, AD
De Silva, LC
Debbe, RR
Dedovich, TG
Derevschikov, AA
de Souza, RD
Didenko, L
Djawotho, P
Dogra, SM
Dong, X
Drachenberg, JL
Draper, JE
Dunlop, JC
Mazumdar, MRD
Efimov, LG
Elnimr, M
Engelage, J
Eppley, G
Erazmus, B
Estienne, M
Eun, L
Evdokimov, O
Fatemi, R
Fedorisin, J
Fersch, RG
Finch, E
Fine, V
Fisyak, Y
Gagliardi, CA
Gangadharan, DR
Ganti, MS
Geromitsos, A
Geurts, F
Ghosh, P
Gorbunov, YN
Gordon, A
Grebenyuk, O
Grosnick, D
Guertin, SM
Gupta, A
Guryn, W
Haag, B
Hamed, A
Han, LX
Harris, JW
Hays-Wehle, JP
Heinz, M
Heppelmann, S
Hirsch, A
Hjort, E
Hoffmann, GW
Hofman, DJ
Hollis, RS
Huang, B
Huang, HZ
Humanic, TJ
Huo, L
Igo, G
Iordanova, A
Jacobs, P
Jacobs, WW
Jena, C
Jin, F
Joseph, J
Judd, EG
Kabana, S
Kang, K
Kapitan, J
Kauder, K
Keane, D
Kechechyan, A
Kettler, D
Kikola, DP
Kiryluk, J
Kisiel, A
Kizka, V
Klein, SR
Knospe, AG
Kocoloski, A
Koetke, DD
Kollegger, T
Konzer, J
Koralt, I
Koroleva, L
Korsch, W
Kotchenda, L
Kouchpil, V
Kravtsov, P
Krueger, K
Krus, M
Kumar, L
Kurnadi, P
Lamont, MAC
Landgraf, JM
LaPointe, S
Lauret, J
Lebedev, A
Lednicky, R
Lee, CH
Lee, JH
Leight, W
LeVine, MJ
Li, C
Li, L
Li, N
Li, W
Li, X
Li, X
Li, Y
Li, ZM
Lisa, MA
Liu, F
Liu, H
Liu, J
Ljubicic, T
Llope, WJ
Longacre, RS
Love, WA
Lu, Y
Lukashov, EV
Luo, X
Ma, GL
Ma, YG
Mahapatra, DP
Majka, R
Mall, OI
Mangotra, LK
Manweiler, R
Margetis, S
Markert, C
Masui, H
Matis, HS
Matulenko, YA
McDonald, D
McShane, TS
Meschanin, A
Milner, R
Minaev, NG
Mioduszewski, S
Mitrovski, MK
Mohanty, B
Mondal, MM
Morozov, B
Morozov, DA
Munhoz, MG
Naglis, M
Nandi, BK
Nayak, TK
Netrakanti, PK
Ng, MJ
Nogach, LV
Nurushev, SB
Odyniec, G
Ogawa, A
Ohlson, A
Okorokov, V
Oldag, EW
Olson, D
Pachr, M
Page, BS
Pal, SK
Pandit, Y
Panebratsev, Y
Pawlak, T
Peitzmann, T
Perkins, C
Peryt, W
Phatak, SC
Pile, P
Planinic, M
Ploskon, MA
Pluta, J
Plyku, D
Poljak, N
Poskanzer, AM
Potukuchi, BVKS
Powell, CB
Prindle, D
Pruneau, C
Pruthi, NK
Pujahari, PR
Putschke, J
Qiu, H
Raniwala, R
Raniwala, S
Ray, RL
Redwine, R
Reed, R
Ritter, HG
Roberts, JB
Rogachevskiy, OV
Romero, JL
Rose, A
Ruan, L
Sakai, S
Sakrejda, I
Sakuma, T
Salur, S
Sandweiss, J
Sangaline, E
Schambach, J
Scharenberg, RP
Schmah, AM
Schmitz, N
Schuster, TR
Seele, J
Seger, J
Selyuzhenkov, I
Seyboth, P
Shahaliev, E
Shao, M
Sharma, M
Shi, SS
Sichtermann, EP
Simon, F
Singaraju, RN
Skoby, MJ
Smirnov, N
Sorensen, P
Spinka, HM
Srivastava, B
Stanislaus, TDS
Staszak, D
Stevens, JR
Stock, R
Strikhanov, M
Stringfellow, B
Suaide, AAP
Suarez, MC
Subba, NL
Sumbera, M
Sun, XM
Sun, Y
Sun, Z
Surrow, B
Svirida, DN
Symons, TJM
de Toledo, AS
Takahashi, J
Tang, AH
Tang, Z
Tarini, LH
Tarnowsky, T
Thein, D
Thomas, JH
Tian, J
Timmins, AR
Timoshenko, S
Tlusty, D
Tokarev, M
Tram, VN
Trentalange, S
Tribble, RE
Tsai, OD
Ullrich, T
Underwood, DG
Van Buren, G
van Leeuwen, M
van Nieuwenhuizen, G
Vanfossen, JA
Varma, R
Vasconcelos, GMS
Vasiliev, AN
Videbaek, F
Viyogi, YP
Vokal, S
Voloshin, SA
Wada, M
Walker, M
Wang, F
Wang, G
Wang, H
Wang, JS
Wang, Q
Wang, XL
Wang, Y
Webb, G
Webb, JC
Westfall, GD
Whitten, C
Wieman, H
Wissink, SW
Witt, R
Wu, YF
Xie, W
Xu, H
Xu, N
Xu, QH
Xu, W
Xu, Y
Xu, Z
Xue, L
Yang, Y
Yepes, P
Yip, K
Yoo, IK
Yue, Q
Zawisza, M
Zbroszczyk, H
Zhan, W
Zhang, JB
Zhang, S
Zhang, WM
Zhang, XP
Zhang, Y
Zhang, ZP
Zhao, J
Zhong, C
Zhou, W
Zhu, X
Zhu, YH
Zoulkarneev, R
Zoulkarneeva, Y
AF Aggarwal, M. M.
Ahammed, Z.
Alakhverdyants, A. V.
Alekseev, I.
Alford, J.
Anderson, B. D.
Anson, C. D.
Arkhipkin, D.
Averichev, G. S.
Balewski, J.
Barnby, L. S.
Beavis, D. R.
Bellwied, R.
Betancourt, M. J.
Betts, R. R.
Bhasin, A.
Bhati, A. K.
Bichsel, H.
Bielcik, J.
Bielcikova, J.
Biritz, B.
Bland, L. C.
Borowski, W.
Bouchet, J.
Braidot, E.
Brandin, A. V.
Bridgeman, A.
Bruna, E.
Bueltmann, S.
Bunzarov, I.
Burton, T. P.
Cai, X. Z.
Caines, H.
Sanchez, M. Calderon de la Barca
Cebra, D.
Cendejas, R.
Cervantes, M. C.
Chajecki, Z.
Chaloupka, P.
Chattopadhyay, S.
Chen, H. F.
Chen, J. H.
Chen, J. Y.
Cheng, J.
Cherney, M.
Chikanian, A.
Choi, K. E.
Christie, W.
Chung, P.
Codrington, M. J. M.
Corliss, R.
Cramer, J. G.
Crawford, H. J.
Dash, S.
Leyva, A. Davila
De Silva, L. C.
Debbe, R. R.
Dedovich, T. G.
Derevschikov, A. A.
Derradi de Souza, R.
Didenko, L.
Djawotho, P.
Dogra, S. M.
Dong, X.
Drachenberg, J. L.
Draper, J. E.
Dunlop, J. C.
Mazumdar, M. R. Dutta
Efimov, L. G.
Elnimr, M.
Engelage, J.
Eppley, G.
Erazmus, B.
Estienne, M.
Eun, L.
Evdokimov, O.
Fatemi, R.
Fedorisin, J.
Fersch, R. G.
Finch, E.
Fine, V.
Fisyak, Y.
Gagliardi, C. A.
Gangadharan, D. R.
Ganti, M. S.
Geromitsos, A.
Geurts, F.
Ghosh, P.
Gorbunov, Y. N.
Gordon, A.
Grebenyuk, O.
Grosnick, D.
Guertin, S. M.
Gupta, A.
Guryn, W.
Haag, B.
Hamed, A.
Han, L-X.
Harris, J. W.
Hays-Wehle, J. P.
Heinz, M.
Heppelmann, S.
Hirsch, A.
Hjort, E.
Hoffmann, G. W.
Hofman, D. J.
Hollis, R. S.
Huang, B.
Huang, H. Z.
Humanic, T. J.
Huo, L.
Igo, G.
Iordanova, A.
Jacobs, P.
Jacobs, W. W.
Jena, C.
Jin, F.
Joseph, J.
Judd, E. G.
Kabana, S.
Kang, K.
Kapitan, J.
Kauder, K.
Keane, D.
Kechechyan, A.
Kettler, D.
Kikola, D. P.
Kiryluk, J.
Kisiel, A.
Kizka, V.
Klein, S. R.
Knospe, A. G.
Kocoloski, A.
Koetke, D. D.
Kollegger, T.
Konzer, J.
Koralt, I.
Koroleva, L.
Korsch, W.
Kotchenda, L.
Kouchpil, V.
Kravtsov, P.
Krueger, K.
Krus, M.
Kumar, L.
Kurnadi, P.
Lamont, M. A. C.
Landgraf, J. M.
LaPointe, S.
Lauret, J.
Lebedev, A.
Lednicky, R.
Lee, C-H.
Lee, J. H.
Leight, W.
LeVine, M. J.
Li, C.
Li, L.
Li, N.
Li, W.
Li, X.
Li, X.
Li, Y.
Li, Z. M.
Lisa, M. A.
Liu, F.
Liu, H.
Liu, J.
Ljubicic, T.
Llope, W. J.
Longacre, R. S.
Love, W. A.
Lu, Y.
Lukashov, E. V.
Luo, X.
Ma, G. L.
Ma, Y. G.
Mahapatra, D. P.
Majka, R.
Mall, O. I.
Mangotra, L. K.
Manweiler, R.
Margetis, S.
Markert, C.
Masui, H.
Matis, H. S.
Matulenko, Yu. A.
McDonald, D.
McShane, T. S.
Meschanin, A.
Milner, R.
Minaev, N. G.
Mioduszewski, S.
Mitrovski, M. K.
Mohanty, B.
Mondal, M. M.
Morozov, B.
Morozov, D. A.
Munhoz, M. G.
Naglis, M.
Nandi, B. K.
Nayak, T. K.
Netrakanti, P. K.
Ng, M. J.
Nogach, L. V.
Nurushev, S. B.
Odyniec, G.
Ogawa, A.
Ohlson, A.
Okorokov, V.
Oldag, E. W.
Olson, D.
Pachr, M.
Page, B. S.
Pal, S. K.
Pandit, Y.
Panebratsev, Y.
Pawlak, T.
Peitzmann, T.
Perkins, C.
Peryt, W.
Phatak, S. C.
Pile, P.
Planinic, M.
Ploskon, M. A.
Pluta, J.
Plyku, D.
Poljak, N.
Poskanzer, A. M.
Potukuchi, B. V. K. S.
Powell, C. B.
Prindle, D.
Pruneau, C.
Pruthi, N. K.
Pujahari, P. R.
Putschke, J.
Qiu, H.
Raniwala, R.
Raniwala, S.
Ray, R. L.
Redwine, R.
Reed, R.
Ritter, H. G.
Roberts, J. B.
Rogachevskiy, O. V.
Romero, J. L.
Rose, A.
Ruan, L.
Sakai, S.
Sakrejda, I.
Sakuma, T.
Salur, S.
Sandweiss, J.
Sangaline, E.
Schambach, J.
Scharenberg, R. P.
Schmah, A. M.
Schmitz, N.
Schuster, T. R.
Seele, J.
Seger, J.
Selyuzhenkov, I.
Seyboth, P.
Shahaliev, E.
Shao, M.
Sharma, M.
Shi, S. S.
Sichtermann, E. P.
Simon, F.
Singaraju, R. N.
Skoby, M. J.
Smirnov, N.
Sorensen, P.
Spinka, H. M.
Srivastava, B.
Stanislaus, T. D. S.
Staszak, D.
Stevens, J. R.
Stock, R.
Strikhanov, M.
Stringfellow, B.
Suaide, A. A. P.
Suarez, M. C.
Subba, N. L.
Sumbera, M.
Sun, X. M.
Sun, Y.
Sun, Z.
Surrow, B.
Svirida, D. N.
Symons, T. J. M.
Szanto de Toledo, A.
Takahashi, J.
Tang, A. H.
Tang, Z.
Tarini, L. H.
Tarnowsky, T.
Thein, D.
Thomas, J. H.
Tian, J.
Timmins, A. R.
Timoshenko, S.
Tlusty, D.
Tokarev, M.
Tram, V. N.
Trentalange, S.
Tribble, R. E.
Tsai, O. D.
Ullrich, T.
Underwood, D. G.
Van Buren, G.
van Leeuwen, M.
van Nieuwenhuizen, G.
Vanfossen, J. A., Jr.
Varma, R.
Vasconcelos, G. M. S.
Vasiliev, A. N.
Videbaek, F.
Viyogi, Y. P.
Vokal, S.
Voloshin, S. A.
Wada, M.
Walker, M.
Wang, F.
Wang, G.
Wang, H.
Wang, J. S.
Wang, Q.
Wang, X. L.
Wang, Y.
Webb, G.
Webb, J. C.
Westfall, G. D.
Whitten, C., Jr.
Wieman, H.
Wissink, S. W.
Witt, R.
Wu, Y. F.
Xie, W.
Xu, H.
Xu, N.
Xu, Q. H.
Xu, W.
Xu, Y.
Xu, Z.
Xue, L.
Yang, Y.
Yepes, P.
Yip, K.
Yoo, I-K.
Yue, Q.
Zawisza, M.
Zbroszczyk, H.
Zhan, W.
Zhang, J. B.
Zhang, S.
Zhang, W. M.
Zhang, X. P.
Zhang, Y.
Zhang, Z. P.
Zhao, J.
Zhong, C.
Zhou, W.
Zhu, X.
Zhu, Y. H.
Zoulkarneev, R.
Zoulkarneeva, Y.
CA STAR Collaboration
TI Scaling properties at freeze-out in relativistic heavy-ion collisions
SO PHYSICAL REVIEW C
LA English
DT Article
ID QCD; THERMODYNAMICS; SEARCH
AB Identified charged pion, kaon, and proton spectra are used to explore the system size dependence of bulk freeze-out properties in Cu + Cu collisions at root s(NN) = 200 and 62.4 GeV. The data are studied with hydrodynamically motivated blast-wave and statistical model frameworks in order to characterize the freeze-out properties of the system. The dependence of freeze-out parameters on beam energy and collision centrality is discussed. Using the existing results from Au + Au and pp collisions, the dependence of freeze-out parameters on the system size is also explored. This multidimensional systematic study furthers our understanding of the QCD phase diagram revealing the importance of the initial geometrical overlap of the colliding ions. The analysis of Cu + Cu collisions expands the system size dependence studies from Au + Au data with detailed measurements in the smaller system. The systematic trends of the bulk freeze-out properties of charged particles is studied with respect to the total charged particle multiplicity at midrapidity, exploring the influence of initial state effects.
C1 [Bridgeman, A.; Krueger, K.; Spinka, H. M.; Underwood, D. G.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Barnby, L. S.] Univ Birmingham, Birmingham, W Midlands, England.
[Arkhipkin, D.; Beavis, D. R.; Bland, L. C.; Burton, T. P.; Christie, W.; Debbe, R. R.; Didenko, L.; Dunlop, J. C.; Fine, V.; Fisyak, Y.; Gordon, A.; Guryn, W.; Lamont, M. A. C.; Landgraf, J. M.; Lauret, J.; Lebedev, A.; Lee, J. H.; LeVine, M. J.; Ljubicic, T.; Longacre, R. S.; Love, W. A.; Ogawa, A.; Pile, P.; Ruan, L.; Sorensen, P.; Tang, A. H.; Ullrich, T.; Van Buren, G.; Videbaek, F.; Webb, J. C.; Xu, Z.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Crawford, H. J.; Engelage, J.; Judd, E. G.; Ng, M. J.; Perkins, C.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Sanchez, M. Calderon de la Barca; Cebra, D.; Draper, J. E.; Haag, B.; Liu, H.; Mall, O. I.; Reed, R.; Romero, J. L.; Salur, S.; Sangaline, E.] Univ Calif Davis, Davis, CA 95616 USA.
[Biritz, B.; Cendejas, R.; Gangadharan, D. R.; Guertin, S. M.; Huang, H. Z.; Igo, G.; Sakai, S.; Staszak, D.; Trentalange, S.; Tsai, O. D.; Wang, G.; Whitten, C., Jr.; Xu, W.] Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
[Derradi de Souza, R.; Takahashi, J.; Vasconcelos, G. M. S.] Univ Estadual Campinas, Sao Paulo, Brazil.
[Betts, R. R.; Evdokimov, O.; Hofman, D. J.; Hollis, R. S.; Iordanova, A.; Kauder, K.; Suarez, M. C.] Univ Illinois, Chicago, IL 60607 USA.
[Cherney, M.; Gorbunov, Y. N.; McShane, T. S.; Seger, J.] Creighton Univ, Omaha, NE 68178 USA.
[Bielcik, J.; Krus, M.; Pachr, M.] Czech Tech Univ, FNSPE, CZ-11519 Prague, Czech Republic.
[Bielcikova, J.; Chaloupka, P.; Chung, P.; Kapitan, J.; Kouchpil, V.; Sumbera, M.; Tlusty, D.] Nucl Phys Inst AS CR, CZ-25068 Rez, Czech Republic.
[Kollegger, T.; Mitrovski, M. K.; Schuster, T. R.; Stock, R.] Goethe Univ Frankfurt, Frankfurt, Germany.
[Dash, S.; Jena, C.; Mahapatra, D. P.; Phatak, S. C.] Inst Phys, Bhubaneswar 751005, Orissa, India.
[Nandi, B. K.; Pujahari, P. R.; Varma, R.] Indian Inst Technol, Bombay 400076, Maharashtra, India.
[Jacobs, W. W.; Page, B. S.; Selyuzhenkov, I.; Stevens, J. R.; Wissink, S. W.] Indiana Univ, Bloomington, IN 47408 USA.
[Alekseev, I.; Koroleva, L.; Kurnadi, P.; Morozov, B.; Svirida, D. N.] Alikhanov Inst Theoret & Expt Phys, Moscow, Russia.
[Bhasin, A.; Dogra, S. M.; Gupta, A.; Mangotra, L. K.; Potukuchi, B. V. K. S.] Univ Jammu, Jammu 180001, India.
[Alakhverdyants, A. V.; Averichev, G. S.; Bunzarov, I.; Dedovich, T. G.; Efimov, L. G.; Fedorisin, J.; Kechechyan, A.; Kizka, V.; Lednicky, R.; Panebratsev, Y.; Rogachevskiy, O. V.; Shahaliev, E.; Tokarev, M.; Vokal, S.; Zoulkarneev, R.; Zoulkarneeva, Y.] Joint Inst Nucl Res, RU-141980 Dubna, Russia.
[Alford, J.; Anderson, B. D.; Bouchet, J.; Joseph, J.; Keane, D.; Kumar, L.; Margetis, S.; Pandit, Y.; Subba, N. L.; Vanfossen, J. A., Jr.; Zhang, W. M.] Kent State Univ, Kent, OH 44242 USA.
[Fatemi, R.; Fersch, R. G.; Korsch, W.; Webb, G.] Univ Kentucky, Lexington, KY 40506 USA.
[Qiu, H.; Sun, Z.; Wang, J. S.; Xu, H.; Yang, Y.; Zhan, W.] Inst Modern Phys, Lanzhou, Peoples R China.
[Ahammed, Z.; Dong, X.; Grebenyuk, O.; Hjort, E.; Jacobs, P.; Kikola, D. P.; Kiryluk, J.; Klein, S. R.; Masui, H.; Matis, H. S.; Naglis, M.; Odyniec, G.; Olson, D.; Ploskon, M. A.; Poskanzer, A. M.; Powell, C. B.; Ritter, H. G.; Rose, A.; Sakrejda, I.; Schmah, A. M.; Sichtermann, E. P.; Sun, X. M.; Symons, T. J. M.; Thomas, J. H.; Tram, V. N.; Wieman, H.; Xu, N.; Zhang, Y.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Aggarwal, M. M.; Bhati, A. K.; Pruthi, N. K.] Panjab Univ, Chandigarh 160014, India.
[Balewski, J.; Betancourt, M. J.; Corliss, R.; Hays-Wehle, J. P.; Kocoloski, A.; Leight, W.; Milner, R.; Redwine, R.; Sakuma, T.; Seele, J.; Surrow, B.; van Nieuwenhuizen, G.; Walker, M.] MIT, Cambridge, MA 02139 USA.
[Schmitz, N.; Seyboth, P.; Simon, F.] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.
[Tarnowsky, T.; Wang, H.; Westfall, G. D.] Michigan State Univ, E Lansing, MI 48824 USA.
[Brandin, A. V.; Kotchenda, L.; Kravtsov, P.; Lukashov, E. V.; Okorokov, V.; Strikhanov, M.; Timoshenko, S.] Moscow Engn Phys Inst, Moscow 115409, Russia.
[Braidot, E.; Peitzmann, T.; van Leeuwen, M.] NIKHEF, Amsterdam, Netherlands.
[Braidot, E.; Peitzmann, T.; van Leeuwen, M.] Univ Utrecht, Amsterdam, Netherlands.
[Anson, C. D.; Chajecki, Z.; Humanic, T. J.; Lisa, M. A.] Ohio State Univ, Columbus, OH 43210 USA.
[Bueltmann, S.; Koralt, I.; Plyku, D.] Old Dominion Univ, Norfolk, VA 23529 USA.
[Eun, L.; Heppelmann, S.] Penn State Univ, University Pk, PA 16802 USA.
[Derevschikov, A. A.; Matulenko, Yu. A.; Meschanin, A.; Minaev, N. G.; Morozov, D. A.; Nogach, L. V.; Nurushev, S. B.; Vasiliev, A. N.] Inst High Energy Phys, Protvino, Russia.
[Hirsch, A.; Konzer, J.; Li, X.; Netrakanti, P. K.; Scharenberg, R. P.; Skoby, M. J.; Srivastava, B.; Stringfellow, B.; Wang, F.; Wang, Q.; Xie, W.] Purdue Univ, W Lafayette, IN 47907 USA.
[Choi, K. E.; Lee, C-H.; Yoo, I-K.] Pusan Natl Univ, Pusan 609735, South Korea.
[Raniwala, R.; Raniwala, S.] Univ Rajasthan, Jaipur 302004, Rajasthan, India.
[Eppley, G.; Geurts, F.; Liu, J.; Llope, W. J.; McDonald, D.; Roberts, J. B.; Yepes, P.] Rice Univ, Houston, TX 77251 USA.
[Munhoz, M. G.; Suaide, A. A. P.; Szanto de Toledo, A.] Univ Sao Paulo, Sao Paulo, Brazil.
[Chen, H. F.; Huang, B.; Li, C.; Lu, Y.; Luo, X.; Shao, M.; Sun, Y.; Tang, Z.; Wang, X. L.; Xu, Y.; Zhang, Z. P.] Univ Sci & Technol China, Hefei 230026, Peoples R China.
[Li, X.; Xu, Q. H.; Zhou, W.] Shandong Univ, Jinan 250100, Shandong, Peoples R China.
[Cai, X. Z.; Chen, J. H.; Han, L-X.; Jin, F.; Li, W.; Ma, G. L.; Ma, Y. G.; Tian, J.; Xue, L.; Zhang, S.; Zhao, J.; Zhong, C.; Zhu, Y. H.] Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
[Borowski, W.; Erazmus, B.; Estienne, M.; Geromitsos, A.; Kabana, S.] SUBATECH, Nantes, France.
[Cervantes, M. C.; Codrington, M. J. M.; Djawotho, P.; Drachenberg, J. L.; Gagliardi, C. A.; Hamed, A.; Huo, L.; Mioduszewski, S.; Tribble, R. E.] Texas A&M Univ, College Stn, TX 77843 USA.
[Leyva, A. Davila; Hoffmann, G. W.; Li, L.; Markert, C.; Oldag, E. W.; Ray, R. L.; Schambach, J.; Thein, D.; Wada, M.] Univ Texas Austin, Austin, TX 78712 USA.
[Cheng, J.; Kang, K.; Li, Y.; Wang, Y.; Yue, Q.; Zhang, X. P.; Zhu, X.] Tsinghua Univ, Beijing 100084, Peoples R China.
[Witt, R.] USN Acad, Annapolis, MD 21402 USA.
[Grosnick, D.; Koetke, D. D.; Manweiler, R.; Stanislaus, T. D. S.] Valparaiso Univ, Valparaiso, IN 46383 USA.
[Chattopadhyay, S.; Mazumdar, M. R. Dutta; Ganti, M. S.; Ghosh, P.; Mohanty, B.; Mondal, M. M.; Nayak, T. K.; Pal, S. K.; Singaraju, R. N.; Viyogi, Y. P.] Ctr Variable Energy Cyclotron, Kolkata 700064, India.
[Kisiel, A.; Pawlak, T.; Peryt, W.; Pluta, J.; Zawisza, M.; Zbroszczyk, H.] Warsaw Univ Technol, Warsaw, Poland.
[Bichsel, H.; Cramer, J. G.; Kettler, D.; Prindle, D.] Univ Washington, Seattle, WA 98195 USA.
[Bellwied, R.; De Silva, L. C.; Elnimr, M.; LaPointe, S.; Pruneau, C.; Sharma, M.; Tarini, L. H.; Timmins, A. R.; Voloshin, S. A.] Wayne State Univ, Detroit, MI 48201 USA.
[Chen, J. Y.; Li, N.; Li, Z. M.; Liu, F.; Shi, S. S.; Wu, Y. F.; Zhang, J. B.] CCNU HZNU, Inst Particle Phys, Wuhan 430079, Peoples R China.
[Bruna, E.; Caines, H.; Chikanian, A.; Finch, E.; Harris, J. W.; Heinz, M.; Knospe, A. G.; Majka, R.; Ohlson, A.; Putschke, J.; Sandweiss, J.; Smirnov, N.] Yale Univ, New Haven, CT 06520 USA.
[Planinic, M.; Poljak, N.] Univ Zagreb, HR-10002 Zagreb, Croatia.
RP Aggarwal, MM (reprint author), Panjab Univ, Chandigarh 160014, India.
RI Okorokov, Vitaly/C-4800-2017; Ma, Yu-Gang/M-8122-2013; Barnby,
Lee/G-2135-2010; Pandit, Yadav/I-2170-2013; Lednicky,
Richard/K-4164-2013; Takahashi, Jun/B-2946-2012; Planinic,
Mirko/E-8085-2012; Yang, Yanyun/B-9485-2014; Bielcikova,
Jana/G-9342-2014; Yoo, In-Kwon/J-6222-2012; Peitzmann,
Thomas/K-2206-2012; Witt, Richard/H-3560-2012; Yip, Kin/D-6860-2013;
Xue, Liang/F-8077-2013; Voloshin, Sergei/I-4122-2013; Alekseev,
Igor/J-8070-2014; Sumbera, Michal/O-7497-2014; Strikhanov,
Mikhail/P-7393-2014; Xu, Wenqin/H-7553-2014; Bruna, Elena/C-4939-2014;
Dogra, Sunil /B-5330-2013; Chaloupka, Petr/E-5965-2012; Huang,
Bingchu/H-6343-2015; Derradi de Souza, Rafael/M-4791-2013; Suaide,
Alexandre/L-6239-2016; Svirida, Dmitry/R-4909-2016; Inst. of Physics,
Gleb Wataghin/A-9780-2017
OI van Leeuwen, Marco/0000-0002-5222-4888; Okorokov,
Vitaly/0000-0002-7162-5345; Ma, Yu-Gang/0000-0002-0233-9900; Fisyak,
Yuri/0000-0002-3151-8377; Mohanty, Bedangadas/0000-0001-9610-2914;
Bhasin, Anju/0000-0002-3687-8179; Sorensen, Paul/0000-0001-5056-9391;
Thomas, James/0000-0002-6256-4536; Barnby, Lee/0000-0001-7357-9904;
Pandit, Yadav/0000-0003-2809-7943; Takahashi, Jun/0000-0002-4091-1779;
Yang, Yanyun/0000-0002-5982-1706; Peitzmann, Thomas/0000-0002-7116-899X;
Yip, Kin/0000-0002-8576-4311; Xue, Liang/0000-0002-2321-9019; Alekseev,
Igor/0000-0003-3358-9635; Sumbera, Michal/0000-0002-0639-7323;
Strikhanov, Mikhail/0000-0003-2586-0405; Xu, Wenqin/0000-0002-5976-4991;
Bruna, Elena/0000-0001-5427-1461; Huang, Bingchu/0000-0002-3253-3210;
Derradi de Souza, Rafael/0000-0002-2084-7001; Suaide,
Alexandre/0000-0003-2847-6556;
FU RHIC Operations Group; RCF at BNL; NERSC Center at LBNL; Open Science
Grid consortium; Office of NP within the US DOE Office of Science;
Office of HEP within the US DOE Office of Science; US NSF; Sloan
Foundation; DFG of Germany; CNRS/IN2P3; STFC; EPSRC of the United
Kingdom; FAPESP CNPq of Brazil; Ministry of Ed. and Sci. of the Russian
Federation; NNSFC; CAS; MoST; MoE of China; MSMT of the Czech Republic;
FOM; NWO of the Netherlands; DAE; DST; CSIR of India; Polish Ministry of
Sci. and Higher Ed.; Ministry of Sci., Ed. and Sports of the Rep. of
Croatia; Russian Ministry of Sci. and Tech.; RosAtom of Russia; Korea
Research Foundation; GA
FX We thank the RHIC Operations Group and RCF at BNL, the NERSC Center at
LBNL, and the Open Science Grid consortium for providing resources and
support. This work was supported in part by the Offices of NP and HEP
within the US DOE Office of Science, the US NSF, the Sloan Foundation,
the DFG cluster of excellence "Origin and Structure of the Universe" of
Germany, CNRS/IN2P3, STFC and EPSRC of the United Kingdom, FAPESP CNPq
of Brazil, Ministry of Ed. and Sci. of the Russian Federation, NNSFC,
CAS, MoST, and MoE of China, GA and MSMT of the Czech Republic, FOM and
NWO of the Netherlands, DAE, DST, and CSIR of India, Polish Ministry of
Sci. and Higher Ed., Korea Research Foundation, Ministry of Sci., Ed.
and Sports of the Rep. of Croatia, Russian Ministry of Sci. and Tech.
and RosAtom of Russia.
NR 26
TC 16
Z9 16
U1 0
U2 10
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 MAR 28
PY 2011
VL 83
IS 3
AR 034910
DI 10.1103/PhysRevC.83.034910
PG 12
WC Physics, Nuclear
SC Physics
GA 741IA
UT WOS:000288856200005
ER
PT J
AU Singh, R
Al-Naib, IAI
Koch, M
Zhang, WL
AF Singh, Ranjan
Al-Naib, Ibraheem A. I.
Koch, Martin
Zhang, Weili
TI Sharp Fano resonances in THz metamaterials
SO OPTICS EXPRESS
LA English
DT Article
ID PLANAR TERAHERTZ METAMATERIALS; SPLIT-RING RESONATORS; INDUCED
TRANSPARENCY; LASING SPASER; DEVICES
AB We report on the occurrence of sharp Fano resonances in planar terahertz metamaterials by introducing a weak asymmetry in a two gap split ring resonator. As the structural symmetry of the metamaterial is broken a Fano resonance evolves in the low-frequency flank of the symmetric fundamental dipole mode resonance. This Fano resonance can have much higher Q factors than that known from single gap split ring resonators. Supporting simulations indicate a Q factor of 50 for lowest degree of asymmetry. The Q factor decreases exponentially with increasing asymmetry. Hence, minute structural variations allow for a tuning of the Fano resonance. Such sharp resonances could be exploited for biochemical sensing. Besides, the strong current oscillations excited at the Fano resonance frequency could lead to the design of novel terahertz narrow band emitters. (C) 2011 Optical Society of America
C1 [Singh, Ranjan; Zhang, Weili] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA.
[Singh, Ranjan] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Al-Naib, Ibraheem A. I.; Koch, Martin] Univ Marburg, Dept Phys, D-35032 Marburg, Germany.
RP Singh, R (reprint author), Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA.
EM ranjan@lanl.gov
RI Al-Naib, Ibraheem/A-2344-2009; Singh, Ranjan/B-4091-2010; Zhang,
Weili/C-5416-2011;
OI Singh, Ranjan/0000-0001-8068-7428; Zhang, Weili/0000-0002-8591-0200;
Al-Naib, Ibraheem/0000-0002-7499-0655
FU U.S. National Science Foundation
FX This work was partially supported by the U.S. National Science
Foundation.
NR 54
TC 155
Z9 159
U1 19
U2 155
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 1094-4087
J9 OPT EXPRESS
JI Opt. Express
PD MAR 28
PY 2011
VL 19
IS 7
BP 6312
EP 6319
DI 10.1364/OE.19.006312
PG 8
WC Optics
SC Optics
GA 741GR
UT WOS:000288852700063
PM 21451657
ER
PT J
AU McNeil, BWJ
Thompson, NR
Dunning, DJ
Sheehy, B
AF McNeil, B. W. J.
Thompson, N. R.
Dunning, D. J.
Sheehy, B.
TI High harmonic attosecond pulse train amplification in a free electron
laser
SO JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
LA English
DT Article
ID GENERATION
AB It is shown using three-dimensional simulations that the temporal structure of an attosecond pulse train, such as that generated via high harmonic generation in noble gases, may be retained in a free electron laser amplifier through to saturation using a mode-locked optical klystron configuration. At wavelengths of similar to 12 nm, a train of attosecond pulses of widths similar to 300 as with peak powers in excess of 1 GW are predicted.
C1 [McNeil, B. W. J.; Thompson, N. R.; Dunning, D. J.] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland.
[Thompson, N. R.; Dunning, D. J.] Cockcroft Inst, STFC Daresbury Lab, Warrington WA4 4AD, Cheshire, England.
[Thompson, N. R.; Dunning, D. J.] ASTeC, Warrington WA4 4AD, Cheshire, England.
[Sheehy, B.] Brookhaven Natl Lab, Collider Accelerator Dept, Upton, NY 11973 USA.
RP McNeil, BWJ (reprint author), Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland.
EM b.w.j.mcneil@strath.ac.uk
OI McNeil, Brian/0000-0002-7267-611X
FU Brookhaven Science Associates, LLC [DE-AC02-98CH10886]; US Department of
Energy
FX This work received support from Brookhaven Science Associates, LLC under
contract no DE-AC02-98CH10886 with the US Department of Energy.
NR 23
TC 4
Z9 4
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-4075
J9 J PHYS B-AT MOL OPT
JI J. Phys. B-At. Mol. Opt. Phys.
PD MAR 28
PY 2011
VL 44
IS 6
AR 065404
DI 10.1088/0953-4075/44/6/065404
PG 8
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 733FX
UT WOS:000288249700014
ER
PT J
AU Aden, A
AF Aden, Andy
TI Economic analysis of advanced biofuels from lignocellulosic biomass
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Aden, Andy] Natl Bioenergy Ctr, Natl Renewable Energy Lab, Golden, CO USA.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 284-CELL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802686
ER
PT J
AU Agarwal, P
AF Agarwal, Pratul
TI Non-homologous enzymes catalyzing same chemistry: Insights into linkage
between enzyme fold, flexibility and catalysis
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Agarwal, Pratul] Oak Ridge Natl Lab, Oak Ridge, TN USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 321-COMP
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804058
ER
PT J
AU Alam, K
Dellinger, J
Martin, L
AF Alam, Kathleen
Dellinger, Jennifer
Martin, Laura
TI Accelerated aging of phthalate-saturated cellulose paper using infrared
spectroscopy and chemometrics
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Alam, Kathleen; Dellinger, Jennifer; Martin, Laura] Sandia Natl Labs, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 16-CARB
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802303
ER
PT J
AU Albada, HB
Giordano, A
Zagermann, J
Metzler-Nolte, N
Fish, RH
AF Albada, H. Bauke
Giordano, Andrea
Zagermann, Johannes
Metzler-Nolte, Nils
Fish, Richard H.
TI Highly regioselective reactions of [Cp*Rh(H2O)(3)](OTf)(2) with
peptides, Leu-Enkephalin, neurotensin, octreotide, and an
autophosphorylation sequence of the epidermal growth factor receptor, in
water, as a function of pH
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Ruhr Univ Bochum, Dept Chem & Biochem, Bochum, Germany.
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RI Metzler-Nolte, Nils/H-7626-2014
OI Metzler-Nolte, Nils/0000-0001-8111-9959
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 144-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805527
ER
PT J
AU Alesi, WR
Kitchin, J
AF Alesi, Walter Richard, Jr.
Kitchin, John
TI Determining the conditions necessary for optimal CO2 capture of solid
sorbents
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Natl Energy Technol Lab, Pittsburgh, PA USA.
Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA.
NR 0
TC 0
Z9 0
U1 0
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 208-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804575
ER
PT J
AU Alexandrov, V
Skomurski, F
Becker, U
Shvareva, T
Navrotsky, A
Asta, M
AF Alexandrov, Vitali
Skomurski, Frances
Becker, Udo
Shvareva, Tatiana
Navrotsky, Alexandra
Asta, Mark
TI First-principles study of surface stability and water adsorption on ThO2
surfaces
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
Univ Calif Davis, NEAT ORU, Davis, CA 95616 USA.
Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA.
Univ Michigan, Dept Geol Sci, Ann Arbor, MI 48109 USA.
Univ Calif Davis, Peter A Rock Thermochem Lab, Davis, CA 95616 USA.
NR 0
TC 0
Z9 0
U1 0
U2 9
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 81-NUCL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806324
ER
PT J
AU Anderson, AS
Schmidt, JG
Dattelbaum, AM
Mukundan, H
Swanson, BI
AF Anderson, Aaron S.
Schmidt, Jurgen G.
Dattelbaum, Andrew M.
Mukundan, Harshini
Swanson, Basil I.
TI Robust silane-based, PEG-modified sensing films: A versatile
bio-inorganic interface
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Los Alamos Natl Lab, CPCS Phys Chem & Appl Spect, Los Alamos, NM USA.
Los Alamos Natl Lab, Biosecur & Publ Hlth B7, Los Alamos, NM USA.
Los Alamos Natl Lab, MPA CINT Ctr Integrated Nanotechnol, Los Alamos, NM USA.
Los Alamos Natl Lab, C DO Chem Div, Los Alamos, NM USA.
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 579-ORGN
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806534
ER
PT J
AU Anderson, P
Elmer, S
Turner, K
De Sapio, V
Schoeniger, J
Roe, D
AF Anderson, Peter
Elmer, Sidney
Turner, Kevin
De Sapio, Vincent
Schoeniger, Joe
Roe, Diana
TI Classifying proteins by common conserved motifs to control ligand
binding specificity
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Anderson, Peter; Elmer, Sidney; Turner, Kevin; De Sapio, Vincent; Schoeniger, Joe; Roe, Diana] Sandia Natl Labs, Dept Syst Biol, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 170-COMP
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804171
ER
PT J
AU Andrews, JC
Meirer, F
Cabana, J
Liu, YJ
Pianetta, P
AF Andrews, Joy C.
Meirer, Florian
Cabana, Jordi
Liu, Yijin
Pianetta, Piero
TI 3D nanoscale chemical imaging of Li-ion battery electrodes
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA USA.
Fdn Bruno Kessler, MiNA Lab, Povo, Italy.
Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RI Meirer, Florian/H-7642-2016
OI Meirer, Florian/0000-0001-5581-5790
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 200-ANYL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982801471
ER
PT J
AU Appel, AM
Linehan, JC
Boro, BJ
Galan, BR
DuBois, DL
AF Appel, Aaron M.
Linehan, John C.
Boro, Brian J.
Galan, Brandon R.
DuBois, Daniel L.
TI Molecular catalysts for the reduction of CO2
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Appel, Aaron M.; Linehan, John C.; Boro, Brian J.; Galan, Brandon R.; DuBois, Daniel L.] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA.
NR 0
TC 0
Z9 0
U1 1
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 121-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804561
ER
PT J
AU Armstrong, CR
Nyman, M
Shvareva, T
Navrotsky, A
AF Armstrong, Christopher R.
Nyman, May
Shvareva, Tatiana
Navrotsky, Alexandra
TI Energetics of monomeric alkali-uranyl-peroxide compounds
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Davis, Peter A Rock Thermochem Lab, Davis, CA 95616 USA.
Univ Calif Davis, NEAT ORU, Davis, CA 95616 USA.
Sandia Natl Labs, Albuquerque, NM 87185 USA.
NR 1
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 23-NUCL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806297
ER
PT J
AU Aryal, BP
Lewis, DG
Paunesku, T
Lai, B
Vogt, S
Woloschak, GE
He, C
Jensen, MP
AF Aryal, Baikuntha P.
Lewis, Drew Gorman
Paunesku, Tatjana
Lai, Barry
Vogt, Stefan
Woloschak, Gayle E.
He, Chuan
Jensen, Mark P.
TI Plutonium uptake and distribution in mammalian cells
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Chicago, Dept Chem, Chicago, IL 60637 USA.
Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
Northwestern Univ, Dept Radiat Oncol & Radiol, Chicago, IL 60611 USA.
Univ Wasington, Seattle, WA USA.
RI Paunesku, Tatjana/A-3488-2017; Woloschak, Gayle/A-3799-2017
OI Paunesku, Tatjana/0000-0001-8698-2938; Woloschak,
Gayle/0000-0001-9209-8954
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 755-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805860
ER
PT J
AU Aryal, BP
Brugarolas, P
He, C
AF Aryal, Baikuntha P.
Brugarolas, Pedro
He, Chuan
TI Direct labeling of proteins with radionuclides
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Chicago, Chicago, IL 60637 USA.
Argonne Natl Lab, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 45-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805022
ER
PT J
AU Assary, RS
Curtiss, LA
Paul, RC
Greeley, J
AF Assary, Rajeev Surendran
Curtiss, Larry A.
Paul, Redfern C.
Greeley, Jeff
TI Toward the molecular level understanding of reactions involved in the
biomass catalysis
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Northwestern Univ, Evanston, IL USA.
Argonne Natl Labs, Div Mat Sci, Evanston, IL USA.
RI Surendran Assary, Rajeev/E-6833-2012
OI Surendran Assary, Rajeev/0000-0002-9571-3307
NR 0
TC 0
Z9 0
U1 0
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 39-CARB
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802307
ER
PT J
AU Baker, LR
Hervier, A
Seo, H
Somorjai, GA
AF Baker, L. Robert
Hervier, Antoine
Seo, Hyungtak
Somorjai, Gabor A.
TI Electronic mediation of surface chemistry at the metal-oxide interface
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 55-CATL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802428
ER
PT J
AU Bashir, S
Liu, DJ
Liu, JBL
AF Bashir, Sajid
Liu, Di-Jia
Liu, Jingbo L.
TI Building better cathode catalysis for fuel cells
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Texas A&M Univ, Kingsville, TX USA.
Argonne Natl Lab, Div Chem Sci & Engn, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 1
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 19-IEC
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804911
ER
PT J
AU Baumann, T
Worsley, M
Satcher, J
AF Baumann, Theodore
Worsley, Marcus
Satcher, Joe, Jr.
TI Novel carbon aerogel architectures for energy storage applications
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Baumann, Theodore; Worsley, Marcus; Satcher, Joe, Jr.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 3
U2 12
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 418-POLY
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982807369
ER
PT J
AU Beketayev, K
Weber, G
Haranczyk, M
AF Beketayev, Kenes
Weber, Gunther
Haranczyk, Maciej
TI Visualization of topology of transformation pathways in complex chemical
systems using Metro Maps
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Beketayev, Kenes; Weber, Gunther; Haranczyk, Maciej] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 233-COMP
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804223
ER
PT J
AU Bennett, ME
Despotopulos, J
Henderson, RA
Shaughnessy, DA
Sudowe, R
AF Bennett, Megan E.
Despotopulos, John
Henderson, Roger A.
Shaughnessy, Dawn A.
Sudowe, Ralf
TI Extraction chromatographic studies of Rf using crown ether based resins
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Nevada, Las Vegas, NV 89154 USA.
Lawrence Livermore Natl Lab, Div Chem Sci, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 63-NUCL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806339
ER
PT J
AU Benson, MT
Stewart, FF
Klaehn, JR
Christenson, M
Sing, N
AF Benson, Michael T.
Stewart, Frederick F.
Klaehn, John R.
Christenson, Michael
Sing, Neil
TI Novel triazine materials as CO2 sorbents
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Benson, Michael T.; Stewart, Frederick F.; Klaehn, John R.; Christenson, Michael; Sing, Neil] Idaho Natl Lab, Dept Interfacial Chem, Idaho Falls, ID 83415 USA.
RI Benson, Michael/B-8855-2017
OI Benson, Michael/0000-0003-4927-614X
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 307-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804590
ER
PT J
AU Bergman, RG
AF Bergman, Robert G.
TI Selective stoichiometric and catalytic reactions in water-soluble
host-guest supramolecular systems
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Div Chem Sci, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 63-ORGN
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806464
ER
PT J
AU Beste, A
Buchanan, AC
AF Beste, Ariana
Buchanan, Archibald C.
TI Challenges in the computation of rate constants for lignin model
compounds
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Beste, Ariana; Buchanan, Archibald C.] Oak Ridge Natl Lab, Joint Inst Computat Sci, Oak Ridge, TN USA.
NR 0
TC 0
Z9 0
U1 1
U2 14
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 270-CELL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802703
ER
PT J
AU Bolin, TB
Heald, S
Winans, R
Stair, P
Miller, J
AF Bolin, Trudy B.
Heald, Steven
Winans, Randall
Stair, Peter
Miller, Jeffrey
TI Catalyst center at the Advanced Photon Source beamline 9-BM
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
Argonne Natl Lab, Dept Chem Engn, Argonne, IL 60439 USA.
Northwestern Univ, Dept Chem, Evanston, IL USA.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 176-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804694
ER
PT J
AU Borole, AP
Ichihashi, O
Hamiloton, CY
AF Borole, Abhijeet P.
Ichihashi, Osamu
Hamiloton, Choo Y.
TI Chronoamperometric investigation of electro-active biofilms in
biorefinery MFCs
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Borole, Abhijeet P.; Ichihashi, Osamu; Hamiloton, Choo Y.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RI Borole, AP/F-3933-2011
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 436-BIOT
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802219
ER
PT J
AU Bowden, M
Karkamkar, A
Kim, H
Cho, H
Hess, N
Autrey, T
AF Bowden, Mark
Karkamkar, Abhi
Kim, Hyunjeong
Cho, Herman
Hess, Nancy
Autrey, Tom
TI Experimental approaches to study the properties of energy storage
materials in nanoconfined environments: Modification of ammonia borane
in porous silica
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Pacific NW Natl Lab, Richland, WA 99352 USA.
Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki, Japan.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 395-COLL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982803687
ER
PT J
AU Boyle, TJ
Bell, N
Anderson, BJ
Celina, M
AF Boyle, TImothy J.
Bell, Nelson
Anderson, Benjamin J.
Celina, Mathias
TI Improved flywheel nanocomposite materials
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Boyle, TImothy J.; Bell, Nelson; Anderson, Benjamin J.; Celina, Mathias] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 1
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 236-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805468
ER
PT J
AU Boyle, TJ
Ottley, LAM
Velasquez, A
Dimos, BA
AF Boyle, Timothy J.
Ottley, Leigh Anna M.
Velasquez, Andrew
Dimos, Brad A.
TI Lanthanide alkoxides for production of fluorescent nanomaterials
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Boyle, Timothy J.; Ottley, Leigh Anna M.; Velasquez, Andrew; Dimos, Brad A.] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 1017-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802772
ER
PT J
AU Bullock, RM
Kilgore, UJ
Roberts, JAS
Helm, ML
DuBois, DL
AF Bullock, R. Morris
Kilgore, Uriah J.
Roberts, John A. S.
Helm, Monte L.
DuBois, Daniel L.
TI Electrocatalysts of the production of hydrogen by Ni(diphosphine)(2)(2+)
complexes with pendant amines as proton relays
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Bullock, R. Morris; Kilgore, Uriah J.; Roberts, John A. S.; Helm, Monte L.; DuBois, Daniel L.] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA.
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 81-CATL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802439
ER
PT J
AU Burton, PD
Boyle, TJ
Datye, AK
AF Burton, Patrick D.
Boyle, Timothy J.
Datye, Abhaya K.
TI Synthesis of Pd nanoparticles without capping agents: Novel catalysts
for selective acetylene hydrogenation
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Unviers New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM USA.
Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 44-CATL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802419
ER
PT J
AU Busani, T
Tian, YME
Martin, KE
Shelnutt, JA
AF Busani, Tito
Tian, Yongming E.
Martin, Kathleen E.
Shelnutt, John A.
TI Structural and electrical studies of novel photoconductive
self-assembled porphyrin structures
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Nova Lisboa, Dept CiAancia Mat CENIMAT I3N, Caparica, Portugal.
Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA.
Univ New Mexico, Ctr Microengineered Mat, Albuquerque, NM 87131 USA.
Univ Georgia, Dept Chem, Athens, GA 30602 USA.
RI Tian, Yongming/B-9720-2009
NR 0
TC 0
Z9 0
U1 1
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 53-CATL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802427
ER
PT J
AU Cao, B
Shi, L
Brown, R
Xiong, YJ
Fredrickson, JK
Romine, MF
Marshall, MJ
Lipton, MS
Beyenal, H
AF Cao, Bin
Shi, Liang
Brown, Roslyn
Xiong, Yijia
Fredrickson, Jim K.
Romine, Margaret F.
Marshall, Matthew J.
Lipton, Mary S.
Beyenal, Haluk
TI Extracellular polymeric substances of Shewanella biofilms contain redox
active components with potential roles in extracellular electron
transfer
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA.
Pacific NW Natl Lab, Richland, WA 99352 USA.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 288-BIOT
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802164
ER
PT J
AU Carothers, JM
Goler, JA
Juminaga, A
Keasling, JD
AF Carothers, James M.
Goler, Jonathan A.
Juminaga, Alex
Keasling, Jay D.
TI Design-driven approaches for engineering RNA-regulated pathway controls
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Berkeley Ctr Synthet Biol, Berkeley, CA 94720 USA.
DOE Joint BioEnergy Inst, Berkeley, CA USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RI Keasling, Jay/J-9162-2012
OI Keasling, Jay/0000-0003-4170-6088
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 162-BIOT
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802051
ER
PT J
AU Cave, RJ
Edwards, ST
Kouzelos, JA
Newton, MD
AF Cave, Robert J.
Edwards, Stephen T.
Kouzelos, J. Andrew
Newton, Marshall D.
TI Multi-state generalized Mulliken-Hush analysis of a series of model
compounds: Pathways in complex systems
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Harvey Mudd Coll, Dept Chem, Claremont, CA 91711 USA.
Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
NR 0
TC 0
Z9 0
U1 2
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 186-PHYS
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806744
ER
PT J
AU Celina, MC
Giron, NH
Rojo, MR
Trujillo, AB
AF Celina, Mathew C.
Giron, Nicholas H.
Rojo, Manuel R.
Trujillo, Ana B.
TI Cure reactions of advanced composite resins explored by high
tempereature micro ATR-IR
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Celina, Mathew C.; Giron, Nicholas H.; Rojo, Manuel R.; Trujillo, Ana B.] Sandia Natl Labs, Organ Mat Dept, Albuquerque, NM USA.
NR 0
TC 0
Z9 0
U1 1
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 211-POLY
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982807207
ER
PT J
AU Chai, MH
Alejandro, P
Gorski, EK
Liu, Y
AF Chai, Minghui
Alejandro, Phillip
Gorski, Ewa K.
Liu, Yi
TI NMR characterization on the interaction between polycyclic donor and
acceptor via the enhancement of electron transfer
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Cent Michigan Univ, Dept Chem, Mt Pleasant, MI 48859 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 246-ANYL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982801311
ER
PT J
AU Chang, CEA
Kang, M
Roberts, C
Cheng, YH
AF Chang, Chia-en A.
Kang, Myungshim
Roberts, Christopher
Cheng, Yuhui
TI Gating, crowding, and intermolecular interactions in ligand-protein
association: Modeling with multiscale simulation methods
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA.
Pacific NW Natl Lab, Richland, WA 99352 USA.
RI Kang, Myungshim /K-5331-2014
OI Kang, Myungshim /0000-0002-4778-8240
NR 0
TC 0
Z9 0
U1 0
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 319-COMP
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804056
ER
PT J
AU Chatterjee, S
Edwards, MK
Wang, ZM
Del Negro, AS
Bryan, SA
Krause, JA
Kaval, N
Heineman, WR
Seliskar, CJ
AF Chatterjee, Sayandev
Edwards, Matthew K.
Wang, Zheming
Del Negro, Andrew S.
Bryan, Samuel A.
Krause, Jeanette A.
Kaval, Necati
Heineman, William R.
Seliskar, Carl J.
TI Spectroelectrochemical sensor for the detection of pertechnetate (TcO4-)
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Pacific NW Natl Lab, Richland, WA 99352 USA.
Univ Cincinnati, Dept Chem, Cincinnati, OH 45221 USA.
RI Wang, Zheming/E-8244-2010
OI Wang, Zheming/0000-0002-1986-4357
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 84-ANYL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982801366
ER
PT J
AU Checco, A
Hofmann, T
DiMasi, E
Black, CT
Ocko, BM
AF Checco, Antonio
Hofmann, Tommy
DiMasi, Elaine
Black, Charles T.
Ocko, Benjamin M.
TI Morphology of air nanobubbles trapped at superhydrophobic nanopattened
surfaces
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA.
Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 88-COLL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982803603
ER
PT J
AU Chen, ZW
Tran, HM
Hadi, MZ
Simmons, BA
Sale, KL
AF Chen, Zhiwei
Tran, Huu M.
Hadi, Masood Z.
Simmons, Blake A.
Sale, Kenneth L.
TI Directed evolution of a thermophilic cellulase for biomass hydrolysis
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Joint BioEnergy Inst, Emeryville, CA USA.
Sandia Natl Labs, Livermore, CA USA.
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 244-BIOT
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802124
ER
PT J
AU Cheng, L
Curtiss, L
Assary, RS
Greeley, J
AF Cheng, Lei
Curtiss, Larry
Assary, Rajeev Surendran
Greeley, Jefferey
TI Quantum chemistry studies of selective fructose dehydration on H-ZSM5
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL USA.
RI Cheng, Lei/J-9014-2012; Surendran Assary, Rajeev/E-6833-2012
OI Surendran Assary, Rajeev/0000-0002-9571-3307
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 120-CARB
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982802356
ER
PT J
AU Chennubhotla, CS
Ramanathan, A
Savol, A
Agarwal, PK
AF Chennubhotla, Chakra S.
Ramanathan, Arvind
Savol, Andrej
Agarwal, Pratul K.
TI Identifying conformational sub-states directly relevant to protein
function
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Oak Ridge Natl Lab, Computat Biol Inst, Oak Ridge, TN USA.
Univ Pittsburgh, Dept Computat & Syst Biol, Pittsburgh, PA USA.
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 308-COMP
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804064
ER
PT J
AU Cho, S
Castellano, FN
Chen, LX
AF Cho, Sung
Castellano, Felix N.
Chen, Lin X.
TI Electronic coherence in metal-metal-to-ligand-charge-transfer
transitions of a dimetallic complex revealed by ultrafast transient
absorption anisotropy
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
Northwestern Univ, Dept Chem, Evanston, IL USA.
Bowling Green State Univ, Dept Chem, Bowling Green, OH 43403 USA.
Bowling Green State Univ, Ctr Photochem Sci, Bowling Green, OH 43403 USA.
NR 0
TC 0
Z9 0
U1 1
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 313-PHYS
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982806844
ER
PT J
AU Choi, CL
Alivisatos, AP
AF Choi, Charina L.
Alivisatos, A. Paul
TI Tetrapod quantum dots as fluorescent probes of mechanical stress in
materials and biological systems
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Choi, Charina L.; Alivisatos, A. Paul] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 677-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805093
ER
PT J
AU Choi, S
Gray, ML
Eisenberger, PM
Jones, CW
AF Choi, Sunho
Gray, McMahan L.
Eisenberger, Peter M.
Jones, Christopher W.
TI Solid-supported amines for extraction of CO2 from ultra-low
concentration sources such as ambient air
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
Global Thermostat LLC, New York, NY USA.
US DOE, Natl Energy Technol Lab, Pittsburgh, PA USA.
NR 0
TC 0
Z9 0
U1 1
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 241-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804576
ER
PT J
AU Christensen, ST
Hurst, KE
Bult, JB
Olson, TS
Dameron, AA
Ginley, DS
Dinh, HN
Gennett, T
AF Christensen, Steven T.
Hurst, Katherine E.
Bult, Justin B.
Olson, Tim S.
Dameron, Arrelaine A.
Ginley, David S.
Dinh, Huyen N.
Gennett, Thomas
TI Alloy catalyst development on carbon supports by atomic layer deposition
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Christensen, Steven T.; Hurst, Katherine E.; Bult, Justin B.; Olson, Tim S.; Dameron, Arrelaine A.; Ginley, David S.; Dinh, Huyen N.; Gennett, Thomas] Natl Renewable Energy Lab, Golden, CO USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 319-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804744
ER
PT J
AU Closser, KD
Head-Gordon, M
AF Closser, Kristina D.
Head-Gordon, Martin
TI Configuration interaction singles using absolutely localized molecular
orbitals with applications to very large helium clusters
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 104-PHYS
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804276
ER
PT J
AU Collier, P
Jung, SY
Retterer, S
AF Collier, Pat
Jung, Seung-Yong
Retterer, Scott
TI Towards the smallest chemical reactors: On-demand generation and fusion
of femtoliter-volume aqueous droplets
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Collier, Pat; Jung, Seung-Yong; Retterer, Scott] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN USA.
RI Retterer, Scott/A-5256-2011
OI Retterer, Scott/0000-0001-8534-1979
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 311-ANYL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982801412
ER
PT J
AU Colon-Mercado, HR
Fox, EB
Martinez-Rodriguez, MJ
McWhorter, S
Greenway, SD
AF Colon-Mercado, Hector R.
Fox, Elise B.
Martinez-Rodriguez, Michael J.
McWhorter, Scott
Greenway, Scott D.
TI Effect of NH3 and chlorinated hydrocarbons on the performance of PEM
fuel cells
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Savannah River Natl Lab, Aiken, SC USA.
Greenway Energy LLC, Aiken, SC USA.
RI Fox, Elise/G-5438-2013
OI Fox, Elise/0000-0002-4527-5820
NR 0
TC 0
Z9 0
U1 0
U2 3
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 86-FUEL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804615
ER
PT J
AU Cui, QZ
Wang, W
Gu, BH
AF Cui, Qingzhou
Wang, Wei
Gu, Baohua
TI Controlled fabrication of nanostructured TiO2 films with varying light
absorption and photocatalytic characteristics
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Cui, Qingzhou; Wang, Wei; Gu, Baohua] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RI Gu, Baohua/B-9511-2012; Wang, Wei/B-5924-2012
OI Gu, Baohua/0000-0002-7299-2956;
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 554-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805084
ER
PT J
AU Cui, QZ
Wang, W
Gu, BH
Liang, LY
AF Cui, Qingzhou
Wang, Wei
Gu, Baohua
Liang, Liyuan
TI Fabrication of new nanoparticle-hydrogel sensing materials through a
combined physical-chemical polymerization process
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 [Cui, Qingzhou; Wang, Wei; Gu, Baohua; Liang, Liyuan] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RI Gu, Baohua/B-9511-2012; Wang, Wei/B-5924-2012; Liang, Liyuan/O-7213-2014
OI Gu, Baohua/0000-0002-7299-2956; Liang, Liyuan/0000-0003-1338-0324
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 40-ANYL
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982801243
ER
PT J
AU Culp, JT
Kauffman, KL
Madden, C
Matranga, C
AF Culp, Jeffrey T.
Kauffman, Kristi L.
Madden, Catherine
Matranga, Christopher
TI Highly versatile synthesis of pore-functionalized pillared coordination
polymers
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Natl Energy Technol Lab, Pittsburgh, PA USA.
URS, South Pk, PA USA.
Univ Pittsburgh, Pittsburgh, PA USA.
RI Kauffman, Kristi/F-5186-2011; Culp, Jeffrey/B-1219-2010; Matranga,
Christopher/E-4741-2015
OI Culp, Jeffrey/0000-0002-7422-052X; Matranga,
Christopher/0000-0001-7082-5938
NR 0
TC 0
Z9 0
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 561-INOR
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982805480
ER
PT J
AU Cygan, RT
Greathouse, JA
Nenoff, TM
AF Cygan, Randall T.
Greathouse, Jeffery A.
Nenoff, Tina M.
TI Dynamics of interlayer water and cations in clay minerals
SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Meeting Abstract
CT 241st National Meeting and Exposition of the American-Chemical-Society
(ACS)
CY MAR 27-31, 2011
CL Anaheim, CA
SP Amer Chem Soc
C1 Sandia Natl Labs, Dept Geochem, Albuquerque, NM 87185 USA.
Sandia Natl Labs, Surface & Interface Sci Dept, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0065-7727
J9 ABSTR PAP AM CHEM S
JI Abstr. Pap. Am. Chem. Soc.
PD MAR 27
PY 2011
VL 241
MA 50-GEOC
PG 1
WC Chemistry, Multidisciplinary
SC Chemistry
GA 782BO
UT WOS:000291982804879
ER
EF