FN Thomson Reuters Web of Science™
VR 1.0
PT J
AU Mazzoldi, A
Hill, T
Colls, JJ
AF Mazzoldi, Alberto
Hill, Tim
Colls, Jeremy J.
TI Assessing the risk for CO2 transportation within CCS projects, CFD
modelling
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Carbon sequestration; CO2 transportation; Joule-Thomson effect;
Jet-mixing effect; Risk Assessment
ID PERFORMANCE EVALUATION; GAS DISPERSION; KIT FOX
AB Surface transportation of carbon dioxide will be a critical issue in the developing field of carbon capture and storage (CCS). A leak from a high-pressure transportation facility can result in damage to the environment and hazard to people, depending on the total amount of carbon dioxide released to the atmosphere and the concentrations achieved in the proximity of the leakage. Generic Risk Assessments for CO2 transportation to date have relied on various assumptions about the behaviour of carbon dioxide after a severe pressure drop. In this study, simulations by two classes of atmospheric dispersion model (Gaussian and computational fluid dynamics, CFD) have been compared, taking representative input parameters concerning high-pressure CO2 releases from the literature. The CFD model was used to simulate a high-speed release with specified velocities with the aim of evaluating the effect of initial gas dispersion on the downwind length reached by toxic concentrations of the pollutant. Results of this investigation depict a lowering of the Risk involved in the transportation of CO2 by up to one order of magnitude, when modelling the same releases with a CFD tool, compared to the more widespread Gaussian models. The EU used results from Gaussian modelling for drawing up an Impact Assessment on the CO2 transportation within CCS. In this paper, suggestions for future preparation of CCS Risk Assessments are presented. (C) 2011 Published by Elsevier B.V.
C1 [Mazzoldi, Alberto] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Hill, Tim] E ON UK Plc, Power Technol, Ratcliffe On Soar, Notts, England.
[Colls, Jeremy J.] Univ Nottingham, Sch Biosci, Nottingham NG7 2RD, England.
RP Mazzoldi, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM AMazzoldi@lbl.gov
FU E.ON, UK
FX AM has been supported by a studentship from E.ON, UK.
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SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 816
EP 825
DI 10.1016/j.ijggc.2011.01.001
PG 10
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900023
ER
PT J
AU Birkholzer, JT
Nicot, JP
Oldenburg, CM
Zhou, QL
Kraemer, S
Bandilla, K
AF Birkholzer, Jens T.
Nicot, Jean Philippe
Oldenburg, Curtis M.
Zhou, Quanlin
Kraemer, Stephen
Bandilla, Karl
TI Brine flow up a well caused by pressure perturbation from geologic
carbon sequestration: Static and dynamic evaluations
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Brine leakage; Pressure increase; Area of Review
ID CO2 STORAGE; LEAKAGE; BASIN; DEPLOYMENT; INJECTION; AQUIFERS
AB Industrial-scale storage of CO2 in saline sedimentary basins will cause zones of elevated pressure, larger than the CO2 plume itself. If permeable conduits (e.g., leaking wells) exist between the injection reservoir and overlying shallow aquifers, brine could be pushed upwards along these conduits and mix with groundwater resources. This paper discusses the potential for such brine leakage to occur in temperature- and salinity-stratified systems. Using static mass-balance calculations as well as dynamic well flow simulations, we evaluate the minimum reservoir pressure that would generate continuous migration of brine up a leaking wellbore into a freshwater aquifer. Since the brine invading the well is denser than the initial fluid in the wellbore, continuous flow only occurs if the pressure perturbation in the reservoir is large enough to overcome the increased fluid column weight after full invasion of brine into the well. If the threshold pressure is exceeded, brine flow rates are dependent on various hydraulic (and other) properties, in particular the effective permeability of the wellbore and the magnitude of pressure increase. If brine flow occurs outside of the well casing, e.g., in a permeable fracture zone between the well cement and the formation, the fluid/solute transfer between the migrating fluid and the surrounding rock units can strongly retard brine flow. At the same time, the threshold pressure for continuous flow to occur decreases compared to a case with no fluid/solute transfer. Published by Elsevier Ltd.
C1 [Birkholzer, Jens T.; Oldenburg, Curtis M.; Zhou, Quanlin] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Nicot, Jean Philippe] Univ Texas Austin, Bur Econ Geol, Austin, TX 78713 USA.
[Kraemer, Stephen; Bandilla, Karl] US EPA, Off Res & Dev, Athens, GA 30605 USA.
RP Birkholzer, JT (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
EM jtbirkholzer@lbl.gov
RI Zhou, Quanlin/B-2455-2009; Birkholzer, Jens/C-6783-2011; Nicot,
Jean-Philippe/A-3954-2009; Oldenburg, Curtis/L-6219-2013
OI Zhou, Quanlin/0000-0001-6780-7536; Birkholzer, Jens/0000-0002-7989-1912;
Oldenburg, Curtis/0000-0002-0132-6016
FU US Environmental Protection Agency, Office of Water and Office of Air
and Radiation, under U.S. Department of Energy at the Lawrence Berkeley
National Laboratory; Fossil Energy, Office of Sequestration, Hydrogen,
and Clean Coal Fuels, National Energy Technology Laboratory, of the U.S.
Department of Energy
FX The authors wish to thank two anonymous reviewers as well as Lehua Pan
of Lawrence Berkeley National Laboratory for a careful review of the
manuscript and the suggestion of improvements. This paper has also been
reviewed in accordance with the U.S. Environmental Protection Agency's
peer and administrative review policies and approved for publication.
Mention of trade names or commercial products does not constitute
endorsement or recommendation for use. This work was funded in part by
the US Environmental Protection Agency, Office of Water and Office of
Air and Radiation, under an Interagency Agreement with the U.S.
Department of Energy at the Lawrence Berkeley National Laboratory.
Supplementary funding was provided by the Assistant Secretary for Fossil
Energy, Office of Sequestration, Hydrogen, and Clean Coal Fuels,
National Energy Technology Laboratory, of the U.S. Department of Energy.
This research was performed while Karl Bandilla held a National Research
Council Research Associateship Award at US EPA's Ecosystems Research
Division of the National Exposure Research Laboratory.
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JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
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EP 861
DI 10.1016/j.ijggc.2011.01.003
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SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900026
ER
PT J
AU Kutchko, BG
Strazisar, BR
Hawthorne, SB
Lopano, CL
Miller, DJ
Hakala, JA
Guthrie, GD
AF Kutchko, Barbara G.
Strazisar, Brian R.
Hawthorne, Steven B.
Lopano, Christina L.
Miller, David J.
Hakala, J. Alexandra
Guthrie, George D.
TI H2S-CO2 reaction with hydrated Class H well cement: Acid-gas injection
and CO2 Co-sequestration
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Carbon sequestration; Acid-gas; Oilwell cement; CO2; H2S
ID PYRITE FORMATION; PURE WATER; ETTRINGITE; CRYSTALLIZATION;
100-DEGREES-C; MONOSULFIDE; DEGRADATION; TEMPERATURE; SOLUBILITY;
OXIDATION
AB Laboratory experiments were performed in order to determine the alteration in cement exposed to acid gas (H2S-CO2) and pure CO2 under simulated reservoir conditions. Cement samples were exposed for a period of 28 days at a temperature of 50 degrees C and a pressure of 15 MPa using pure CO2 and H2S-CO2 (21 mol% H2S) to simulate acid gas. The cement samples were partially submerged in aqueous solutions to include both saturated aqueous and supercritical CO2 phases. The cement exposed to pure CO2 was identical in alteration to those previously tested and described in that they exhibited the typical carbonation rims which result from the CO2/cement interaction. The H2S-CO2 exposed cement exhibited a carbonated zone similar to the CO2-only samples and underwent an additional sequence of oxidation-reduction and sulfidation reactions. Ettringite was observed in the interior region of the cement, and pyrite in the carbonated rim of the cement exposed to H2S-CO2. The mineralogical changes and alteration front are believed to be controlled by local porewater pH buffering. Although the process of secondary ettringite formation subsequent to the hardening of cement can lead to strength loss and degradation, ettringite induced mechanical damage was not observed in the samples. Published by Elsevier Ltd.
C1 [Kutchko, Barbara G.; Strazisar, Brian R.; Lopano, Christina L.; Hakala, J. Alexandra; Guthrie, George D.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Hawthorne, Steven B.; Miller, David J.] Univ N Dakota, Energy & Environm Res Ctr, Grand Forks, ND 58202 USA.
RP Kutchko, BG (reprint author), US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
EM barbara.kutchko@netl.doe.gov
FU U.S. DOE National Energy Technology Laboratory; Department of Energy
National Energy Technology Laboratory [DE-FC26-05NT42592]
FX This work was supported by the Carbon Sequestration Program of the U.S.
DOE National Energy Technology Laboratory. SBH and DJM appreciate the
support of work performed at EERC under the Plains CO2
Reduction Partnership (PCOR), which is supported by the Department of
Energy National Energy Technology Laboratory under Award Number
DE-FC26-05NT42592. The authors appreciate the technical assistance of
Doug Allen of Salem State College and Bret Howard of NETL. Any opinions,
findings, conclusions, or recommendations expressed herein are those of
the authors and do not necessarily reflect the views of the sponsors.
Reference in this report to any specific commercial product or service
is to facilitate understanding and does not imply endorsement by the
United States Department of Energy.
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PD JUL
PY 2011
VL 5
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DI 10.1016/j.ijggc.2011.02.008
PG 9
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900028
ER
PT J
AU Kobos, PH
Cappelle, MA
Krumhansl, JL
Dewers, TA
McNemar, A
Borns, DJ
AF Kobos, Peter H.
Cappelle, Malynda A.
Krumhansl, Jim L.
Dewers, Thomas A.
McNemar, Andrea
Borns, David J.
TI Combining power plant water needs and carbon dioxide storage using
saline formations: Implications for carbon dioxide and water management
policies
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Carbon dioxide storage; Water treatment costs; Saline formation
assessment; Power generating station cooling water
ID CO2 STORAGE; AQUIFERS; SEQUESTRATION; SIMULATION; SANDSTONE; INJECTION;
DISPOSAL; PROGRAM; USA; TRANSPORT
AB Research involving management of carbon dioxide has increased markedly over the last decade as it relates to concerns over climate change. Capturing and storing carbon dioxide (CO2) in geological formations is one of many proposed methods to manage, and likely reduce, CO2 emissions from burning fossil fuels in the electricity sector. Saline formations represent a vast storage resource, and the waters they contain could be managed for beneficial use. To address this issue, a methodology was developed to test the feasibility of linking coal-fired power plants, deep saline formations for CO2 storage, and extracting and treating saline waters for use as power plant cooling water.
An illustrative hypothetical case study examines a representative power plant and saline formation in the south-western United States. A regional assessment methodology includes analysis of injection-induced changes in subsurface groundwater chemistry and fate and transport of supercritical CO2. Initial water-CO2-formation reactions include dissolution of carbonate minerals as expected, and suggest that very little CO2 will be stored in mineral form within the first few centuries. Reservoir simulations provide direct input into a systems-level economic model, and demonstrate how water extraction can help manage injection-induced overpressure. Options for treatment of extracted water vary depending upon site specific chemistry. A high efficiency reverse osmosis system (HERO (TM)) shows promise for economical desalination at the volumes of recovered water under consideration. Results indicate a coupled use CO2 storage and water extraction and treatment system may be feasible for tens to hundreds of years. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Kobos, Peter H.] Sandia Natl Labs, Earth Syst Dept, Albuquerque, NM 87185 USA.
[Cappelle, Malynda A.] Univ Texas El Paso, Ctr Inland Desalinat Syst, El Paso, TX 79968 USA.
[Krumhansl, Jim L.] Sandia Natl Labs, Dept Geochem, Albuquerque, NM 87185 USA.
[Dewers, Thomas A.] Sandia Natl Labs, Geomech Dept, Albuquerque, NM 87185 USA.
[McNemar, Andrea] Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Borns, David J.] Sandia Natl Labs, Geotechnol & Engn Dept, Albuquerque, NM 87185 USA.
RP Kobos, PH (reprint author), Sandia Natl Labs, Earth Syst Dept, POB 5800,MS 0749, Albuquerque, NM 87185 USA.
EM phkobos@sandia.gov; macappelle@utep.edu; jlkrumh@sandia.gov;
tdewers@sandia.gov; Andrea.McNemar@netl.doe.gov; djborns@sandia.gov
FU National Energy Technology Laboratory; U.S. Department of Energy's
National Nuclear Security Administration [DE-AC04-94AL85000]
FX The authors wish to thank Tom Feeley, Jared Ciferno and Lynn Brickett of
the National Energy Technology Laboratory for initiating and funding
this study. The authors also thank Geoffrey T. Klise for his assistance
in developing the Geographic Information Systems maps and Jesse D. Roach
for related analyses. 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.
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SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 899
EP 910
DI 10.1016/j.ijggc.2011.03.015
PG 12
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900030
ER
PT J
AU Underschultz, J
Boreham, C
Dance, T
Stalker, L
Freifeld, B
Kirste, D
Ennis-King, J
AF Underschultz, Jim
Boreham, Chris
Dance, Tess
Stalker, Linda
Freifeld, Barry
Kirste, Dirk
Ennis-King, Jonathan
TI CO2 storage in a depleted gas field: An overview of the CO2CRC Otway
Project and initial results
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Otway basin; Carbon dioxide storage; Depleted gas field; Dynamic
modeling; Geochemistry; Hydrogeology; Monitoring and verification;
Tracer compounds
AB The Cooperative Research Centre for Greenhouse Gas Technologies (CO2CRC) Otway Project in Australia is the first heavily monitored pilot site for CO2 storage in a depleted natural gas reservoir. With the site characterisation and risk analysis complete, the new CRC-1 injection well was drilled in April 2007. An updated static and dynamic model forecast an injected gas transit time of between 4 and 8 months between CRC-1 injection and Naylor-1 observation wells. Injection began on March 18th 2008 and was halted on August 29th 2009 with 65,445 tonnes of CO2 mixed gas stored. Two pulses of tracer compounds were added to help identify the injected CO2 from other naturally occurring CO2 and to track dispersion and diffusion.
Assurance monitoring included surveillance of the atmosphere, soil gas and shallow groundwater. To date, no tracer compounds have been detected above background levels in samples taken as part of the assurance monitoring system. Monitoring of the reservoir has been accomplished with a combined geophysical and geochemical approach. Formation fluids are sampled at pressure with the multilevel U-Tube system. The transient geochemistry at the observation well has: (1) recorded injected gas arrival at the Naylor-1 observation well; (2) recorded tracer compound arrival at Naylor-1; (3) shown a mixing trend between the isotopic signature of the Naylor indigenous CO2 and that of the injection supply gas: and (4) provided an estimate for the dynamic storage capacity for a portion of the Naylor reservoir. The data collected are compared with the pre-injection dynamic model forecasts and provide a means of calibration.
The CO2CRC Otway Project has successfully demonstrated the storage of CO2 in a depleted gas field. Geochemical assurance monitoring and reservoir surveillance will continue post injection. Continued analysis of the data will serve to reduce uncertainty in forecasting long term fate of the injected CO2 mixed gas. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Underschultz, Jim; Dance, Tess; Stalker, Linda] CSIRO Earth Sci & Resource Engn, Bentley, WA 6102, Australia.
[Underschultz, Jim; Boreham, Chris; Dance, Tess; Stalker, Linda; Kirste, Dirk; Ennis-King, Jonathan] CO2CRC, Canberra, ACT 2601, Australia.
[Boreham, Chris] Geosci Australia, Canberra, ACT 2601, Australia.
[Freifeld, Barry] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Kirste, Dirk] Simon Fraser Univ, Dept Earth Sci, Burnaby, BC V5A 1S6, Canada.
[Ennis-King, Jonathan] CSIRO Earth Sci & Resource Engn, Clayton, Vic 3169, Australia.
RP Underschultz, J (reprint author), CSIRO Earth Sci & Resource Engn, POB 1130, Bentley, WA 6102, Australia.
EM james.underschultz@csiro.au
RI Underschultz, Jim/N-1496-2013; Freifeld, Barry/F-3173-2010;
OI Underschultz, Jim/0000-0003-2151-1478; Ennis-King,
Jonathan/0000-0002-4016-390X
FU Australian government; CO2CRC member organizations; United States
Department of Energy
FX The authors would like the significant contributions of a large
interdisciplinary team working on the CO2CRC Otway Project. These
include the project manager Sandeep Sharma, M&V manager Charles Jenkins,
dynamic modeling by Josh Xu and Lincoln Paterson, assurance monitoring
by Allison Hortle, Ulrike Schacht, Patrice de Caritat, Zoe Loh and David
Etheridge, aqueous geochemistry by Ernie Perkins, geophysics M&V by Tom
Daley and Milovan Urosevic and field sampling by Kate Hill, Toby Kidd,
Leon Meggs and Giorgio Palmeri. The paper was improved from the
technical review of Mark Bunch at the CO2CRC and two unnamed technical
reviews from the IJGGC. The research described in this paper was funded
by the Australian government through its CRC program and the CO2CRC
member organizations. The United States Department of Energy also
provided funding for research presented here, through Lawrence Berkeley
National Laboratory.
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SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 922
EP 932
DI 10.1016/j.ijggc.2011.02.009
PG 11
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900032
ER
PT J
AU Goodman, A
Hakala, A
Bromhal, G
Deel, D
Rodosta, T
Frailey, S
Small, M
Allen, D
Romanov, V
Fazio, J
Huerta, N
McIntyre, D
Kutchko, B
Guthrie, G
AF Goodman, Angela
Hakala, Alexandra
Bromhal, Grant
Deel, Dawn
Rodosta, Traci
Frailey, Scott
Small, Mitchell
Allen, Doug
Romanov, Vyacheslav
Fazio, Jim
Huerta, Nicolas
McIntyre, Dustin
Kutchko, Barbara
Guthrie, George
TI US DOE methodology for the development of geologic storage potential for
carbon dioxide at the national and regional scale
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE CO2; Geologic storage; Saline formations; Oil and gas reservoirs;
Unmineable coal seams; Resource estimates
ID COALBED METHANE PRODUCTION; ARGONNE PREMIUM COALS; DEEP SALINE AQUIFERS;
CO2 STORAGE; CAPACITY ESTIMATION; BASIN-SCALE; SORPTION; ISOTHERMS;
SEQUESTRATION; INJECTION
AB A detailed description of the United States Department of Energy (US-DOE) methodology for estimating CO2 storage potential for oil and gas reservoirs, saline formations, and unmineable coal seams is provided. The oil and gas reservoirs are assessed at the field level, while saline formations and unmineable coal seams are assessed at the basin level. The US-DOE methodology is intended for external users such as the Regional Carbon Sequestration Partnerships (RCSPs), future project developers, and governmental entities to produce high-level CO2 resource assessments of potential CO2 storage reservoirs in the United States and Canada at the regional and national scale: however, this methodology is general enough that it could be applied globally. The purpose of the US-DOE CO2 storage methodology, definitions of storage terms, and a CO2 storage classification are provided. Methodology for CO2 storage resource estimate calculation is outlined. The Log Odds Method when applied with Monte Carlo Sampling is presented in detail for estimation of CO2 storage efficiency needed for CO2 storage resource estimates at the regional and national scale. CO2 storage potential reported in the US-DOE's assessment are intended to be distributed online by a geographic information system in NatCarb and made available as hard-copy in the Carbon Sequestration Atlas of the United States and Canada. US-DOE's methodology will be continuously refined, incorporating results of the Development Phase projects conducted by the RCSPs from 2008 to 2018. Estimates will be formally updated every two years in subsequent versions of the Carbon Sequestration Atlas of the United States and Canada. Published by Elsevier Ltd.
C1 [Goodman, Angela; Hakala, Alexandra; Romanov, Vyacheslav; Fazio, Jim; Huerta, Nicolas; Kutchko, Barbara; Guthrie, George] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Bromhal, Grant; Deel, Dawn; Rodosta, Traci; McIntyre, Dustin] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Frailey, Scott] Illinois State Geol Survey, Midwest Geol Sequestrat Consortium, Champaign, IL 61820 USA.
[Small, Mitchell] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Allen, Doug] Salem State Univ, Salem, MA 01970 USA.
RP Goodman, A (reprint author), US DOE, Natl Energy Technol Lab, POB 10940, Pittsburgh, PA 15236 USA.
EM angela.goodman@netl.doe.gov
RI Romanov, Vyacheslav/C-6467-2008
OI Romanov, Vyacheslav/0000-0002-8850-3539
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SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 952
EP 965
DI 10.1016/j.ijggc.2011.03.010
PG 14
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900035
ER
PT J
AU Yamamoto, H
Doughty, C
AF Yamamoto, Hajime
Doughty, Christine
TI Investigation of gridding effects for numerical simulations of CO2
geologic sequestration
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE CO2 storage; Geologic carbon sequestration; Parallel computation;
Large-scale simulation; Gridding effects; Westcarb
ID POROUS-MEDIA; HYDRAULIC CONDUCTIVITY; INJECTION; RESERVOIR; CODE
AB Potential errors caused by grid shape and resolution are investigated for numerical simulations of CO2 geologic sequestration. The spatial orientation of finite difference grids can strongly influence the calculated shapes of CO2 fronts due to so-called "grid orientation effect". A coarse vertical discretization of a reservoir can impede gravity override (i.e., less-dense CO2 flows over denser groundwater) of CO2 plumes, resulting in underestimation of the maximum plume size. It is known that injection of CO2 into a saline aquifer may cause formation dry-out and precipitation of solid salt near the injection well, which may reduce porosity and permeability of the aquifer. Numerical simulation of salt precipitation may require very fine grid size near the injection well, because dry-out would be greatly underestimated in a large grid block containing a large amount of water. In this study, these gridding effects are demonstrated using one-dimensional and two-dimensional idealized models as well as a three-dimensional field-scale simulation model of a large-volume CO2 injection in a saline formation in California's Central Valley. For the field-scale modeling, we generated a high-resolution grid model utilizing Voronoi tessellation. To solve the high-resolution model efficiently TOUGH-MP, a parallelized version of general purpose multiphase flow simulator TOUGH2, was used. Our results indicate that (1) the use of higher-order Voronoi tessellation significantly reduces the "grid-orientation effects"; (2) coarse grids considerably underestimate gravity override, and thus the maximum lateral extent of a CO2 plume is also underestimated to a few tens of percent; (3) a fine gridding in the vicinity of the injection well may be needed to simulate near-well phenomena accurately, especially when the capillary-driven backflow to the well is significant. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Yamamoto, Hajime] Taisei Corp, Totsuka Ku, Yokohama, Kanagawa 2450051, Japan.
[Doughty, Christine] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Yamamoto, H (reprint author), Taisei Corp, Totsuka Ku, 344-1 Nase Cho, Yokohama, Kanagawa 2450051, Japan.
EM hajime.yamamoto@sakura.taisei.co.jp
RI Doughty, Christine/G-2389-2015
FU Lawrence Berkeley National Laboratory; Satoshi Imamura and Tomoyuki Aoki
of Taisei Corporation; Taisei Corporation; U.S. Department of Energy
[DE-AC02-05CH11231]
FX The authors appreciate Jeff Wagoner of Lawrence Livermore National
Laboratory for providing the geological model of the Kimberlina site. We
thank Keni Zhang for the extensive support on the use of TOUGH2-MP code.
Thanks are also due to Larry Myer and Curt Oldenburg of Lawrence
Berkeley National Laboratory, and Satoshi Imamura and Tomoyuki Aoki of
Taisei Corporation for encouragement and support. Our sincere thanks
also to two anonymous reviewers for their constructive suggestions for
improving the quality of the manuscript. This work is partly supported
by Taisei Corporation, and in part by the U.S. Department of Energy
under contract No. DE-AC02-05CH11231.
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SN 1750-5836
EI 1878-0148
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 975
EP 985
DI 10.1016/j.ijggc.2011.02.007
PG 11
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900037
ER
PT J
AU Daley, TM
Ajo-Franklin, JB
Doughty, C
AF Daley, Thomas M.
Ajo-Franklin, Jonathan B.
Doughty, Christine
TI Constraining the reservoir model of an injected CO2 plume with crosswell
CASSM at the Frio-II brine pilot
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE CO2; Seismic; Crosswell; Reservoir model; Petrophysics
ID PARTIAL GAS SATURATION; GEOLOGIC STORAGE; ATTENUATION; AQUIFER; ROCKS
AB Crosswell CASSM (continuous active-source seismic monitoring) data was acquired as part of the Frio-II brine pilot CO2 injection experiment. To gain insight into the CO2 plume evolution, we have integrated the 3D multiphase flow modeling code TOUGH2 with seismic simulation codes via a petrophysical model that predicts seismic velocity for a given CO2 saturation. Results of forward seismic modeling based on the CO2 saturation distribution produced by an initial TOUGH2 model compare poorly with the CASSM data, indicating that the initial flow model did not capture the actual CO2 plume dynamics. Updates to the TOUGH2 model required to better match the CASSM field data indicate vertical flow near the injection well, with increased horizontal plume growth occurring at the top of the reservoir sand. The CASSM continuous delay time data are ideal for constraining the modeled spatiotemporal evolution of the CO2 plume and allow improvement in reservoir model and estimation of CO2 plume properties. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Daley, Thomas M.; Ajo-Franklin, Jonathan B.; Doughty, Christine] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Daley, TM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM tmdaley@lbl.gov
RI Daley, Thomas/G-3274-2015; Doughty, Christine/G-2389-2015; Ajo-Franklin,
Jonathan/G-7169-2015;
OI Daley, Thomas/0000-0001-9445-0843; Ajo-Franklin,
Jonathan/0000-0002-6666-4702
FU Office of Coal and Power Systems through the National Energy Technology
Laboratory, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the GEOSEQ project for the Assistant
Secretary for Fossil Energy, Office of Coal and Power Systems through
the National Energy Technology Laboratory, of the U.S. Department of
Energy, under contract No. DE-AC02-05CH11231.
NR 23
TC 17
Z9 17
U1 0
U2 10
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 1022
EP 1030
DI 10.1016/j.ijggc.2011.03.002
PG 9
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900042
ER
PT J
AU Boreham, C
Underschultz, J
Stalker, L
Kirste, D
Freifeld, B
Jenkins, C
Ennis-King, J
AF Boreham, Chris
Underschultz, Jim
Stalker, Linda
Kirste, Dirk
Freifeld, Barry
Jenkins, Charles
Ennis-King, Jonathan
TI Monitoring of CO2 storage in a depleted natural gas reservoir: Gas
geochemistry from the CO2CRC Otway Project, Australia
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Otway Basin; Carbon dioxide; Methane; Geosequestration; Depleted natural
gas reservoir; Gas geochemistry; Carbon isotopes; Tracers; Waxy
hydrocarbons; Monitoring
ID EQUATION-OF-STATE; ISOTOPIC FRACTIONATION; CARBON-DIOXIDE; SITE;
HYDROCARBONS; TEMPERATURES; PREDICTIONS; INJECTION; SYSTEMS; WATER
AB The CO2CRC Otway Project in southwestern Victoria, Australia has injected over 17 months 65,445 tonnes of a mixed CO2-CH4 fluid into the water leg of a depleted natural gas reservoir at a depth of similar to 2 km. Pressurized sub-surface fluids were collected from the Naylor-1 observation well using a tri-level U-tube sampling system located near the crest of the fault-bounded anticlinal trap, 300 m up-dip of the CRC-1 gas injection well. Relative to the pre-injection gas-water contact (GWC), only the shallowest U-tube initially accessed the residual methane gas cap. The pre-injection gas cap at Naylor-1 contains CO2 at 1.5 mol% compared to 75.4 mol% for the injected gas from the Buttress-1 supply well and its CO2 is depleted in C-13 by 4.5 parts per thousand VPDB compared to the injected supercritical CO2. Additional assurance of the arrival of injected gas at the observation well is provided by the use of the added tracer compounds, CD4, Kr and SF6 in the injected gas stream. The initial breakthrough of the migrating dissolved CO2 front occurs between 100 and 121 days after CO2 injection began, as evidenced by positive responses of both the natural and artificial tracers at the middle U-tube, located an average 2.3 m below the pre-injection GWC. The major CO2 increase to similar to 60 mol% and transition from sampling formation water with dissolved gas to sampling free gas occurred several weeks after the initial breakthrough. After another similar to 3 months the CO2 content in the lowest U-tube, a further average 4.5 m deeper, increased to similar to 60 mol%, similarly accompanied by a transition to sampling predominantly gases. Around this time, the CO2 content of the upper U-tube, located in the gas cap and an average 10.4 m above the pre-injection GWC, increased to similar to 20 mol%. Subsequently, the CO2 content in the upper U-tube approaches 30 mol% while the lower two U-tubes show a gradual decrease in CO2 to similar to 48 mol%, resulting from mixing of injected and indigenous fluids and partitioning between dissolved and free gas phases. Lessons learnt from the CO2CRC Otway Project have enabled us to better anticipate the challenges for rapid deployment of carbon storage in a commercial environment at much larger scales. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
C1 [Boreham, Chris] Geosci Australia, Canberra, ACT 2601, Australia.
[Boreham, Chris; Underschultz, Jim; Stalker, Linda; Kirste, Dirk; Jenkins, Charles; Ennis-King, Jonathan] CO2CRC, Canberra, ACT 2601, Australia.
[Underschultz, Jim; Stalker, Linda] CSIRO Earth Sci & Resource Engn, Bentley, WA 6102, Australia.
[Kirste, Dirk] Simon Fraser Univ, Dept Earth Sci, Burnaby, BC V5A 1S6, Canada.
[Freifeld, Barry] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Jenkins, Charles] CSIRO Earth Sci & Resource Engn, Canberra, ACT 2601, Australia.
[Ennis-King, Jonathan] CSIRO Earth Sci & Resource Engn, Clayton, Vic 3169, Australia.
RP Boreham, C (reprint author), Geosci Australia, POB 378, Canberra, ACT 2601, Australia.
EM chris.boreham@ga.gov.au
RI Underschultz, Jim/N-1496-2013; Freifeld, Barry/F-3173-2010;
OI Underschultz, Jim/0000-0003-2151-1478; Ennis-King,
Jonathan/0000-0002-4016-390X
NR 47
TC 33
Z9 35
U1 3
U2 25
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 1039
EP 1054
DI 10.1016/j.ijggc.2011.03.011
PG 16
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900044
ER
PT J
AU Kwak, JH
Hu, JZ
Turcu, RVF
Rosso, KM
Ilton, ES
Wang, CM
Sears, JA
Engelhard, MH
Felmy, AR
Hoyt, DW
AF Kwak, Ja Hun
Hu, Jian Zhi
Turcu, Romulus V. F.
Rosso, Kevin M.
Ilton, Eugene S.
Wang, Chongmin
Sears, Jesse A.
Engelhard, Mark H.
Felmy, Andrew R.
Hoyt, David W.
TI The role of H2O in the carbonation of forsterite in supercritical CO2
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Carbon sequestration; CO2; NMR; XPS; Forsterite; Water threshold
ID HIGH-RESOLUTION; GEOLOGICAL MEDIA; SEQUESTRATION REACTIONS; DISSOLUTION
KINETICS; CLIMATE-CHANGE; DIOXIDE; OLIVINE; TEMPERATURE; MINERALS;
AQUIFER
AB The effect of variable H2O content on the carbonation of forsterite in supercritical CO2 (scCO(2)) at 80 degrees C and 76 bars (7.6 MPa) was investigated by a combination of NMR, XRD, TEM and XPS. When trace amounts of H2O were included, limited reaction was observed. Below H2O saturation in scCO2, reaction products were a mixture of partially hydrated/hydroxylated magnesium carbonates and hydroxylated silica species that were mainly in an amorphous state, forming a non-resolved layer on the forsterite surface. At H2O content above saturation, where forsterite was in contact with both a CO2-saturated aqueous fluid and H2O-saturated scCO(2), solid reaction products were magnesite (MgCO3) and an amorphous polymerized SiO2. Formation of these anhydrous phases implies H2O initially bound in precursor hydrated/hydroxylated reaction products was liberated, inducing further reaction. Hence, for a given fluid/mineral ratio there is a H2O threshold above which a significant portion of the H2O serves in a catalytic role where more extensive carbonation reaction occurs. Defining the role of H2O, even in low H2O content environments, is therefore critical to determining the long term impact of CO2 reactivity in the subsurface. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Hu, Jian Zhi] Pacific NW Natl Lab, Dept Fundamental & Computat Sci, Richland, WA 99352 USA.
RP Hu, JZ (reprint author), Pacific NW Natl Lab, Dept Fundamental & Computat Sci, 902 Battelle Blvd,POB 999,MS K8-98, Richland, WA 99352 USA.
EM Jianzhi.Hu@pnl.gov; david.hoyt@pnl.gov
RI Hu, Jian Zhi/F-7126-2012; Engelhard, Mark/F-1317-2010; Hoyt,
David/H-6295-2013; Kwak, Ja Hun/J-4894-2014; Turcu, Flaviu/B-3555-2015;
OI Turcu, Flaviu/0000-0002-0857-9868; Engelhard, Mark/0000-0002-5543-0812
FU Carbon Sequestration Initiative; Laboratory Directed Research and
Development at Pacific Northwest National Laboratory (PNNL); U.S.
Department of Energy (DOE), Office of Basic Energy Sciences through a
Single Investigator Small Group Research (SISGR); Department of Energy's
DOE Office of Biological and Environmental Research; DOE by Battelle
Memorial Institute [DE-AC06-76RLO-1830]
FX This work was supported by the Carbon Sequestration Initiative funded by
Laboratory Directed Research and Development at Pacific Northwest
National Laboratory (PNNL), and the U.S. Department of Energy (DOE),
Office of Basic Energy Sciences through a Single Investigator Small
Group Research (SISGR) grant. All the experiments were performed using
at the Environmental Molecular Science Laboratory, EMSL, a national
scientific user facility sponsored by the Department of Energy's DOE
Office of Biological and Environmental Research, and located at PNNL.
PNNL is operated for DOE by Battelle Memorial Institute under Contract#
DE-AC06-76RLO-1830.
NR 44
TC 45
Z9 45
U1 5
U2 48
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JUL
PY 2011
VL 5
IS 4
BP 1081
EP 1092
DI 10.1016/j.ijggc.2011.05.013
PG 12
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 817UA
UT WOS:000294700900048
ER
PT J
AU Moored, KW
Dewey, PA
Leftwich, MC
Bart-Smith, H
Smits, AJ
AF Moored, Keith W.
Dewey, Peter A.
Leftwich, Megan C.
Bart-Smith, Hilary
Smits, Alexander J.
TI Bioinspired Propulsion Mechanisms Based on Manta Ray Locomotion
SO MARINE TECHNOLOGY SOCIETY JOURNAL
LA English
DT Article
DE mobuliform; manta ray; unsteady; swimming; flexible actuators
ID INERTIAL FLOW REGIMES; ENERGY ECONOMY; WAKE STRUCTURE; HYDRODYNAMICS;
PERFORMANCE; EFFICIENCY; FOILS; FIN
AB Mobuliform swimmers are inspiring novel approaches to the design of underwater vehicles. These swimmers, exemplified by manta rays, present a model for new classes of efficient, highly maneuverable, autonomous undersea vehicles. To improve our understanding of the unsteady propulsion mechanisms used by these swimmers, we report detailed studies of the performance of robotic swimmers that mimic aspects of the animal propulsive mechanisms. We highlight the importance of the undulatory aspect of producing efficient manta ray propulsion and show that there is a strong interaction between the propulsive performance and the flexibility of the actuating surfaces.
C1 [Moored, Keith W.; Dewey, Peter A.; Smits, Alexander J.] Princeton Univ, Princeton, NJ 08544 USA.
[Leftwich, Megan C.] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA.
[Bart-Smith, Hilary] Univ Virginia, Charlottesville, VA 22903 USA.
RP Smits, AJ (reprint author), Princeton Univ, Princeton, NJ 08544 USA.
EM asmits@princeton.edu
RI Smits, Alexander/B-4083-2016
OI Smits, Alexander/0000-0002-3883-8648
FU Office of Naval Research [N0001408-1-0642]; David and Lucille Packard
Foundation; National Science Foundation [CMS-0384884]; Virginia Space
Grant Consortium
FX The authors would like to thank Daphne Rein-Weston, Dan Quinn, and Dr.
Melissa Green for their aid in developing the low-friction carriage
experiment. We would also like to thank Professor Frank Fish for
correspondence regarding manta rays in nature. The authors would like to
acknowledge funding from the Office of Naval Research through the MURI
program on Biologically-Inspired Autonomous Sea Vehicles (grant
N0001408-1-0642), the David and Lucille Packard Foundation, the National
Science Foundation (grant CMS-0384884), and the Virginia Space Grant
Consortium.
NR 25
TC 12
Z9 12
U1 2
U2 20
PU MARINE TECHNOLOGY SOC INC
PI COLUMBIA
PA 5565 STERRETT PLACE, STE 108, COLUMBIA, MD 21044 USA
SN 0025-3324
J9 MAR TECHNOL SOC J
JI Mar. Technol. Soc. J.
PD JUL-AUG
PY 2011
VL 45
IS 4
BP 110
EP 118
PG 9
WC Engineering, Ocean; Oceanography
SC Engineering; Oceanography
GA 818GD
UT WOS:000294738700013
ER
PT J
AU Xu, YM
Richard, P
Nakayama, K
Kawahara, T
Sekiba, Y
Qian, T
Neupane, M
Souma, S
Sato, T
Takahashi, T
Luo, HQ
Wen, HH
Chen, GF
Wang, NL
Wang, Z
Fang, Z
Dai, X
Ding, H
AF Xu, Y. -M.
Richard, P.
Nakayama, K.
Kawahara, T.
Sekiba, Y.
Qian, T.
Neupane, M.
Souma, S.
Sato, T.
Takahashi, T.
Luo, H. -Q.
Wen, H. -H.
Chen, G. -F.
Wang, N. -L.
Wang, Z.
Fang, Z.
Dai, X.
Ding, H.
TI Fermi surface dichotomy of the superconducting gap and pseudogap in
underdoped pnictides
SO NATURE COMMUNICATIONS
LA English
DT Article
ID RESOLVED PHOTOEMISSION-SPECTROSCOPY; NORMAL-STATE; BA0.6K0.4FE2AS2;
BI2SR2CACU2O8+DELTA; ANISOTROPY
AB High-temperature superconductivity in iron-arsenic materials (pnictides) near an anti-ferromagnetic phase raises the possibility of spin-fluctuation-mediated pairing. However, the interplay between antiferromagnetic fluctuations and superconductivity remains unclear in the underdoped regime, which is closer to the antiferromagnetic phase. Here we report that the superconducting gap of underdoped pnictides scales linearly with the transition temperature, and that a distinct pseudogap coexisting with the superconducting gap develops on under-doping. This pseudogap occurs on Fermi surface sheets connected by the antiferromagnetic wavevector, where the superconducting pairing is stronger as well, suggesting that antiferromagnetic fluctuations drive both the pseudogap and superconductivity. Interestingly, we found that the pseudogap and the spectral lineshape vary with the Fermi surface quasi-nesting conditions in a fashion that shares similarities with the nodal-antinodal dichotomous behaviour observed in underdoped copper oxide superconductors.
C1 [Richard, P.; Qian, T.; Luo, H. -Q.; Wen, H. -H.; Chen, G. -F.; Wang, N. -L.; Fang, Z.; Dai, X.; Ding, H.] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
[Richard, P.; Qian, T.; Luo, H. -Q.; Wen, H. -H.; Chen, G. -F.; Wang, N. -L.; Fang, Z.; Dai, X.; Ding, H.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
[Xu, Y. -M.; Neupane, M.; Wang, Z.] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA.
[Richard, P.; Souma, S.; Takahashi, T.] Tohoku Univ, Adv Inst Mat Res, WPI Res Ctr, Sendai, Miyagi 9808577, Japan.
[Xu, Y. -M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Nakayama, K.; Kawahara, T.; Sekiba, Y.; Qian, T.; Sato, T.; Takahashi, T.] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan.
[Sato, T.] Japan Sci & Technol Agcy, TRiP, Kawaguchi, Saitama 3320012, Japan.
[Chen, G. -F.] Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.
RP Ding, H (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
EM dingh@aphy.iphy.ac.cn
RI Nakayama, Kosuke/F-7897-2011; Takahashi, Takashi/E-5080-2010; Richard,
Pierre/F-7652-2010; Sato, Takafumi/E-5094-2010; 石, 源/D-5929-2012; Luo,
Huiqian/F-4049-2012; ruc, phy/E-4170-2012; souma, seigo/A-4858-2010; Xu,
Yiming/B-3966-2011; Fang, Zhong/D-4132-2009;
OI Richard, Pierre/0000-0003-0544-4551; Ding, Hong/0000-0003-4422-9248
FU Chinese Academy of Sciences; NSF [DMR-0537588]; Ministry of Science and
Technology of China; TRiP-JST; CREST-JST; JSPS; MEXT of Japan; DOE of US
FX We thank J.H. Bowen for proofreading our manuscript. We acknowledge the
support through grants from the Chinese Academy of Sciences, NSF,
Ministry of Science and Technology of China, TRiP-JST, CREST-JST, JSPS
and MEXT of Japan, and NSF, DOE of US. This work was based on research
conducted at the Synchrotron Radiation Center supported by NSF No.
DMR-0537588.
NR 33
TC 46
Z9 46
U1 2
U2 34
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 JUL
PY 2011
VL 2
AR 392
DI 10.1038/ncomms1394
PG 5
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 819DJ
UT WOS:000294805300019
PM 21750547
ER
PT J
AU Chevanan, N
Womac, AR
Bitra, VS
Sokhansanj, S
AF Chevanan, N.
Womac, A. R.
Bitra, V. S.
Sokhansanj, S.
TI EFFECT OF PARTICLE SIZE DISTRIBUTION ON LOOSE-FILLED AND TAPPED
DENSITIES OF SELECTED BIOMASS AFTER KNIFE MILL SIZE REDUCTION
SO APPLIED ENGINEERING IN AGRICULTURE
LA English
DT Article
DE Biomass; Loose-filled bulk density; Tapped bulk density; 'S' curve;
Particle size distribution
ID PHYSICAL-PROPERTIES; SWITCHGRASS; WHEAT
AB Unique particle size distributions were created with a knife mill using four different classifying screen sizes ranging from 12.7 to 50.8 mm, plus other mill operating conditions. Mathematical descriptors of these distributions were then correlated with loose-filled and tapped densities. A forage size distribution standard (ASABE Standard S424.1) was used to determine the mass fractions on five sizes of sieves and a pan. Weakness of the forage standard was noted for coarse particle distributions that were not normally distributed across sieve sizes. Resulting particle distributions were modeled using both unconstrained and constrained Sigmoid (('S') curves. A wider range of increased sieve sizes for the standard would aide particle distribution modeling. Mass fractions retained on the bottom sieve and pan correlated significantly with biomass densities, likely due to packing of fine particles in void space. Fitting of the cumulative particle size distributions using unconstrained 'S' curves indicated a strong linear correlation between curve fit parameters such as asymptote value and slope factor with densities of biomass. Asymptote values correlated significantly with loose-filled and tapped bulk densities with Pearson correlation coefficients ranging from -0.668 to -0.765 for chopped switch grass, wheat straw, and corn stover Slope factors correlated significantly with loose-filled and tapped bulk densities with correlation coefficients ranging from -0.712 to -0.879. Regression models developed using slope factor predicted the loose filled and tapped bulk density with greater accuracy than a regression model using asymptote value. Mean loose-filled bulk densities were 67.5 +/- 18.4 kg/m(3) for switch grass, 36.1 +/- 8.6 kg/m(3) for wheat straw, and 52.1 +/- 10.8 kg/m(3) for corn stover Mean tapped bulk densities were 81.8 +/- 26.2 kg/m(3) for switchgrass, 42.8 +/- 11.7 kg/m(3) for wheat straw, and 58.9 +/- 13.4 kg/m(3) for corn stover On average, tapping increased bulk density by 21.2% for switchgrass, 18.7% for wheat straw, and 13.0% for corn stover. These results can be used to design efficient size reduction, handling, storage, and transportation systems for chopped biomass.
C1 [Womac, A. R.; Bitra, V. S.] Univ Tennessee, Dept Biosyst Engn & Soil Sci, Knoxville, TN 37996 USA.
[Chevanan, N.] Altex Technol Corp, Sunnyvale, CA USA.
[Sokhansanj, S.] Oak Ridge Natl Lab, Bioenergy Resource & Engn Syst Grp, Div Environm Studies, Oakridge, TN USA.
RP Womac, AR (reprint author), Univ Tennessee, Dept Biosyst Engn & Soil Sci, Knoxville, TN 37996 USA.
EM awomac@utk.edu
FU USDA-NRCS [68-3A75-4-136]; USDA-DOE Biomass Research and Development
Initiative [DE-PA36-04GO94002]
FX We thankfully acknowledge the funding support provided through the
USDA-NRCS Grant Agreement 68-3A75-4-136 and USDA-DOE Biomass Research
and Development Initiative DE-PA36-04GO94002 for carrying out this
project work.
NR 27
TC 3
Z9 3
U1 1
U2 10
PU AMER SOC AGRICULTURAL & BIOLOGICAL ENGINEERS
PI ST JOSEPH
PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 USA
SN 0883-8542
J9 APPL ENG AGRIC
JI Appl. Eng. Agric.
PD JUL
PY 2011
VL 27
IS 4
BP 631
EP 644
PG 14
WC Agricultural Engineering
SC Agriculture
GA 812WB
UT WOS:000294322500015
ER
PT J
AU Krug, PW
Lee, LJ
Eslami, AC
Larson, CR
Rodriguez, L
AF Krug, Peter W.
Lee, Laura J.
Eslami, Angelique C.
Larson, Christopher R.
Rodriguez, Luis
TI Chemical disinfection of high-consequence transboundary animal disease
viruses on nonporous surfaces
SO BIOLOGICALS
LA English
DT Article
DE Transboundary disease; Foot-and-mouth; Swine fever; Surface disinfection
ID CLASSICAL SWINE-FEVER; MOUTH-DISEASE; VIRUCIDAL ACTIVITY; GREAT-BRITAIN;
INACTIVATION; EPIDEMIC; PH; NETHERLANDS; SURVIVAL; OUTBREAK
AB Disinfection is a critical part of the response to transboundary animal disease virus (TADV) outbreaks by inactivating viruses on fomites to help control infection. To model the inactivation of TADV on fomites, we tested selected chemicals to inactivate Foot and Mouth Disease virus (FMDV), African Swine Fever virus (ASFV), and Classical Swine Fever virus (CSFV) dried on steel and plastic surfaces. For each of these viruses, we observed a 2 to 3 log reduction of infectivity due to drying alone. We applied a modified surface disinfection method to determine the efficacy of selected disinfectants to inactivate surface-dried high-titer stocks of these three structurally different TADV. ASFV and FMDV were susceptible to sodium hypochlorite (500 and 1000 ppm, respectively) and citric acid (1%) resulting in complete disinfection. Sodium carbonate (4%), while able to reduce FMDV infectivity by greater than 4-log units, only reduced ASFV by 3 logs. Citric acid (2%) did not totally inactivate dried CSFV, suggesting it may not be completely effective for disinfection in the field. Based on these data we recommend disinfectants be formulated with a minimum of 1000 ppm sodium hypochlorite for ASFV and CSFV disinfection, and a minimum of 1% citric acid for FMDV disinfection. Published by Elsevier Ltd on behalf of The International Alliance for Biologicals.
C1 [Krug, Peter W.; Rodriguez, Luis] ARS, Foreign Anim Dis Res Unit, USDA, Plum Isl Anim Dis Ctr, Greenport, NY 11944 USA.
[Lee, Laura J.; Eslami, Angelique C.; Larson, Christopher R.] Oak Ridge Inst Sci & Educ, Plum Isl Anim Dis Ctr Res Participat Program, Oak Ridge, TN USA.
RP Krug, PW (reprint author), ARS, Foreign Anim Dis Res Unit, USDA, Plum Isl Anim Dis Ctr, POB 848, Greenport, NY 11944 USA.
EM peter.krug@ars.usda.gov
FU EPA-USDA [60-1940-8-055]; Oak Ridge Institute for Science and Education
at the Plum Island Animal Disease Center
FX This work was funded by EPA-USDA Interagency Agreement number
60-1940-8-055. LJL, CRL and ACE were funded by the Oak Ridge Institute
for Science and Education as part of the Research Participation Program
at the Plum Island Animal Disease Center. We thank Jeff Kempter (EPA)
and Nathan Birnbaum (USDA/APHIS) for helpful comments during the
revision of this manuscript.
NR 28
TC 5
Z9 5
U1 0
U2 10
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 1045-1056
J9 BIOLOGICALS
JI Biologicals
PD JUL
PY 2011
VL 39
IS 4
BP 231
EP 235
DI 10.1016/j.biologicals.2011.06.016
PG 5
WC Biochemical Research Methods; Biotechnology & Applied Microbiology;
Pharmacology & Pharmacy
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Pharmacology & Pharmacy
GA 815NG
UT WOS:000294531700006
PM 21798759
ER
PT J
AU Korber, B
AF Korber, Bette
TI Building on the past to define an efficient path to an HIV vaccine
SO EXPERT REVIEW OF VACCINES
LA English
DT Editorial Material
DE CD8(+) T cells; HIV vaccines; neutralizing antibodies
ID RECOMBINANT GLYCOPROTEIN-120 VACCINE; HUMAN-IMMUNODEFICIENCY-VIRUS;
EFFICACY TRIAL; ANTIBODY-RESPONSE; RHESUS-MONKEYS; GP120 VACCINE; AIDS
RESEARCH; T-CELLS; INFECTION; MACAQUES
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Korber, B (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
EM btk@lanl.gov
OI Korber, Bette/0000-0002-2026-5757
NR 26
TC 3
Z9 3
U1 0
U2 0
PU EXPERT REVIEWS
PI LONDON
PA UNITEC HOUSE, 3RD FL, 2 ALBERT PLACE, FINCHLEY CENTRAL, LONDON N3 1QB,
ENGLAND
SN 1476-0584
J9 EXPERT REV VACCINES
JI Expert Rev. Vaccines
PD JUL
PY 2011
VL 10
IS 7
BP 929
EP 931
DI 10.1586/ERV.11.81
PG 3
WC Immunology
SC Immunology
GA 813UD
UT WOS:000294394800002
PM 21806390
ER
PT J
AU Vogt, R
AF Vogt, R.
TI Predicting the total charm cross section
SO INDIAN JOURNAL OF PHYSICS
LA English
DT Article
DE Heavy ion collisions; particle production
AB We discuss the energy dependence of the total charm cross section and some of its theoretical uncertainties including the quark mass, scale choice and the parton densities.
C1 [Vogt, R.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Vogt, R.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
RP Vogt, R (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM vogt2@llnl.gov
FU US Department of Energy by Lawrence Livermore National Security, LLC;
Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; National
Science Foundation [NSF PHY-0555660]
FX This work was performed under the auspices of the US Department of
Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore
National Laboratory under Contract DE-AC52-07NA27344. The work was also
supported in part by the National Science Foundation Grant NSF
PHY-0555660.
NR 9
TC 0
Z9 0
U1 0
U2 1
PU INDIAN ASSOC CULTIVATION SCIENCE
PI KOLKATA
PA INDIAN J PHYSICS, JADAVPUR, KOLKATA 700 032, INDIA
SN 0973-1458
J9 INDIAN J PHYS
JI Indian J. Phys.
PD JUL
PY 2011
VL 85
IS 7
BP 1075
EP 1078
DI 10.1007/s12648-011-0136-1
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 804ER
UT WOS:000293637600013
ER
PT J
AU Megias, E
Arriola, ER
Salcedo, LL
AF Megias, E.
Arriola, E. R.
Salcedo, L. L.
TI Trace anomaly and dimension two gluon condensate above the phase
transition
SO INDIAN JOURNAL OF PHYSICS
LA English
DT Article
DE QCD; Gluodynamic
ID FINITE-TEMPERATURE; ENERGY; QCD; MASS; LOOP
AB The dimension two gluon condensate has been used previously within a simple phenomenological model to describe power corrections from available lattice data for the renormalized Polyakov loop and the heavy quark-antiquark free energy in the deconfined phase of QCD [1,2]. The QCD trace anomaly of gluodynamics also shows unequivocal inverse temperature power corrections which may be encoded as dimension two gluon condensate. We analyze lattice data of the trace anomaly and compare with other determinations of the condensate from previous references, yielding roughly similar numerical values.
C1 [Megias, E.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Arriola, E. R.; Salcedo, L. L.] Univ Granada, Dept Fis Atom Mol & Nucl, E-18071 Granada, Spain.
RP Megias, E (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM emegias@quark.phy.bnl.gov
RI Salcedo, Lorenzo Luis/A-8845-2008; Ruiz Arriola, Enrique/A-9388-2015;
OI Salcedo, Lorenzo Luis/0000-0002-3575-0341; Ruiz Arriola,
Enrique/0000-0002-9570-2552; Megias, Eugenio/0000-0002-6735-9013
NR 19
TC 4
Z9 5
U1 0
U2 1
PU INDIAN ASSOC CULTIVATION SCIENCE
PI KOLKATA
PA INDIAN J PHYSICS, JADAVPUR, KOLKATA 700 032, INDIA
SN 0973-1458
J9 INDIAN J PHYS
JI Indian J. Phys.
PD JUL
PY 2011
VL 85
IS 7
BP 1191
EP 1196
DI 10.1007/s12648-011-0120-9
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 804ER
UT WOS:000293637600033
ER
PT J
AU Adloff, C
Blaha, J
Blaising, JJ
Drancourt, C
Espargiliere, A
Gaglione, R
Geffroy, N
Karyotakis, Y
Prast, J
Vouters, G
Francis, K
Repond, J
Smith, J
Xia, L
Baldolemar, E
Li, J
Park, ST
Sosebee, M
White, AP
Yu, J
Buanes, T
Eigen, G
Mikami, Y
Watson, NK
Goto, T
Mavromanolakis, G
Thomson, MA
Ward, DR
Yan, W
Benchekroun, D
Hoummada, A
Khoulaki, Y
Benyamna, M
Carloganu, C
Fehr, F
Gay, P
Manen, S
Royer, L
Blazey, GC
Dyshkant, A
Lima, JGR
Zutshi, V
Hostachy, JY
Morin, L
Cornett, U
David, D
Fabbri, R
Falley, G
Gadow, K
Garutti, E
Gottlicher, P
Gunter, C
Karstensen, S
Krivan, F
Lucaci-Timoce, AI
Lu, S
Lutz, B
Marchesini, I
Meyer, N
Morozov, S
Morgunov, V
Reinecke, M
Sefkow, F
Smirnov, P
Terwort, M
Vargas-Trevino, A
Wattimena, N
Wendt, O
Feege, N
Haller, J
Richter, S
Samson, J
Eckert, P
Kaplan, A
Schultz-Coulon, HC
Shen, W
Stamen, R
Tadday, A
Bilki, B
Norbeck, E
Onel, Y
Wilson, GW
Kawagoe, K
Uozumi, S
Dauncey, PD
Magnan, AM
Wing, M
Salvatore, F
Alamillo, EC
Fouz, MC
Puerta-Pelayo, J
Balagura, V
Bobchenko, B
Chadeeva, M
Danilov, M
Epifantsev, A
Markin, O
Mizuk, R
Novikov, E
Rusinov, V
Tarkovsky, E
Kirikova, N
Kozlov, V
Soloviev, Y
Buzhan, P
Dolgoshein, B
Ilyin, A
Kantserov, V
Kaplin, V
Karakash, A
Popova, E
Smirnov, S
Frey, A
Kiesling, C
Seidel, K
Simon, F
Soldner, C
Weuste, L
Bonis, J
Bouquet, B
Callier, S
Cornebise, P
Doublet, P
Dulucq, F
Giannelli, MF
Fleury, J
Li, H
Martin-Chassard, G
Richard, F
de la Taille, C
Poschl, R
Raux, L
Seguin-Moreau, N
Wicek, F
Anduze, M
Boudry, V
Brient, JC
Jeans, D
de Freitas, PM
Musat, G
Reinhard, M
Ruan, M
Videau, H
Bulanek, B
Zacek, J
Cvach, J
Gallus, P
Havranek, M
Janata, M
Kvasnicka, J
Lednicky, D
Marcisovsky, M
Polak, I
Popule, J
Tomasek, L
Tomasek, M
Ruzicka, P
Sicho, P
Smolik, J
Vrba, V
Zalesak, J
Belhorma, B
Ghazlane, H
Takeshita, T
AF Adloff, C.
Blaha, J.
Blaising, J. -J.
Drancourt, C.
Espargiliere, A.
Gaglione, R.
Geffroy, N.
Karyotakis, Y.
Prast, J.
Vouters, G.
Francis, K.
Repond, J.
Smith, J.
Xia, L.
Baldolemar, E.
Li, J.
Park, S. T.
Sosebee, M.
White, A. P.
Yu, J.
Buanes, T.
Eigen, G.
Mikami, Y.
Watson, N. K.
Goto, T.
Mavromanolakis, G.
Thomson, M. A.
Ward, D. R.
Yan, W.
Benchekroun, D.
Hoummada, A.
Khoulaki, Y.
Benyamna, M.
Carloganu, C.
Fehr, F.
Gay, P.
Manen, S.
Royer, L.
Blazey, G. C.
Dyshkant, A.
Lima, J. G. R.
Zutshi, V.
Hostachy, J. -Y.
Morin, L.
Cornett, U.
David, D.
Fabbri, R.
Falley, G.
Gadow, K.
Garutti, E.
Goettlicher, P.
Guenter, C.
Karstensen, S.
Krivan, F.
Lucaci-Timoce, A. -I.
Lu, S.
Lutz, B.
Marchesini, I.
Meyer, N.
Morozov, S.
Morgunov, V.
Reinecke, M.
Sefkow, F.
Smirnov, P.
Terwort, M.
Vargas-Trevino, A.
Wattimena, N.
Wendt, O.
Feege, N.
Haller, J.
Richter, S.
Samson, J.
Eckert, P.
Kaplan, A.
Schultz-Coulon, H. -Ch.
Shen, W.
Stamen, R.
Tadday, A.
Bilki, B.
Norbeck, E.
Onel, Y.
Wilson, G. W.
Kawagoe, K.
Uozumi, S.
Dauncey, P. D.
Magnan, A. -M.
Wing, M.
Salvatore, F.
Alamillo, E. Calvo
Fouz, M. -C.
Puerta-Pelayo, J.
Balagura, V.
Bobchenko, B.
Chadeeva, M.
Danilov, M.
Epifantsev, A.
Markin, O.
Mizuk, R.
Novikov, E.
Rusinov, V.
Tarkovsky, E.
Kirikova, N.
Kozlov, V.
Soloviev, Y.
Buzhan, P.
Dolgoshein, B.
Ilyin, A.
Kantserov, V.
Kaplin, V.
Karakash, A.
Popova, E.
Smirnov, S.
Frey, A.
Kiesling, C.
Seidel, K.
Simon, F.
Soldner, C.
Weuste, L.
Bonis, J.
Bouquet, B.
Callier, S.
Cornebise, P.
Doublet, Ph.
Dulucq, F.
Giannelli, M. Faucci
Fleury, J.
Li, H.
Martin-Chassard, G.
Richard, F.
de la Taille, Ch.
Poeschl, R.
Raux, L.
Seguin-Moreau, N.
Wicek, F.
Anduze, M.
Boudry, V.
Brient, J-C.
Jeans, D.
de Freitas, P. Mora
Musat, G.
Reinhard, M.
Ruan, M.
Videau, H.
Bulanek, B.
Zacek, J.
Cvach, J.
Gallus, P.
Havranek, M.
Janata, M.
Kvasnicka, J.
Lednicky, D.
Marcisovsky, M.
Polak, I.
Popule, J.
Tomasek, L.
Tomasek, M.
Ruzicka, P.
Sicho, P.
Smolik, J.
Vrba, V.
Zalesak, J.
Belhorma, B.
Ghazlane, H.
Takeshita, T.
CA CALICE Collaboration
TI Tests of a Particle Flow Algorithm with CALICE test beam data
SO JOURNAL OF INSTRUMENTATION
LA English
DT Article
DE Calorimeters; Large detector systems for particle and astroparticle
physics; Calorimeter methods; Detector modelling and simulations I
(interaction of radiation with matter, interaction of photons with
matter, interaction of hadrons with matter, etc)
AB The studies presented in this paper provide a first experimental test of the Particle Flow Algorithm (PFA) concept using data recorded in high granularity calorimeters. Pairs of overlaid pion showers from CALICE 2007 test beam data are reconstructed by the PandoraPFA program developed to implement PFA for a future lepton collider. Recovery of a neutral hadron's energy in the vicinity of a charged hadron is studied. The impact of the two overlapping hadron showers on energy resolution is investigated. The dependence of the confusion error on the distance between a 10 GeV neutral hadron and a charged pion is derived for pion energies of 10 and 30 GeV which are representative of a 100 GeV jet. The comparison of these test beam data results with Monte Carlo simulation is done for various hadron shower models within the GEANT4 framework. The results for simulated particles and for beam data are in good agreement thereby providing support for previous simulation studies of the power of Particle Flow Calorimetry at a future lepton collider.
C1 [Balagura, V.; Bobchenko, B.; Chadeeva, M.; Danilov, M.; Epifantsev, A.; Markin, O.; Mizuk, R.; Novikov, E.; Rusinov, V.; Tarkovsky, E.] Inst Theoret & Expt Phys, RU-117218 Moscow, Russia.
[Adloff, C.; Blaha, J.; Blaising, J. -J.; Drancourt, C.; Espargiliere, A.; Gaglione, R.; Geffroy, N.; Karyotakis, Y.; Prast, J.; Vouters, G.] Univ Savoie, Lab Annecy Le Vieux Phys Particules, CNRS, IN2P3, F-74941 Annecy Le Vieux, France.
[Francis, K.; Repond, J.; Smith, J.; Xia, L.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Baldolemar, E.; Li, J.; Park, S. T.; Sosebee, M.; White, A. P.; Yu, J.] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA.
[Buanes, T.; Eigen, G.] Univ Bergen, Inst Phys, N-5007 Bergen, Norway.
[Mikami, Y.; Watson, N. K.] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England.
[Goto, T.; Mavromanolakis, G.; Thomson, M. A.; Ward, D. R.; Yan, W.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
[Benchekroun, D.; Hoummada, A.; Khoulaki, Y.] Univ Hassan II Ain Chock, Fac Sci, Casablanca, Morocco.
[Benyamna, M.; Carloganu, C.; Fehr, F.; Gay, P.; Manen, S.; Royer, L.] Univ Clermont Ferrand, CNRS, IN2P3, Clermont Univ,LPC, F-63000 Clermont Ferrand, France.
[Blazey, G. C.; Dyshkant, A.; Lima, J. G. R.; Zutshi, V.] No Illinois Univ, NICADD, Dept Phys, De Kalb, IL 60115 USA.
[Hostachy, J. -Y.; Morin, L.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, Inst Polytech Grenoble, CNRS IN2P3, F-38026 Grenoble, France.
[Cornett, U.; David, D.; Fabbri, R.; Falley, G.; Gadow, K.; Garutti, E.; Goettlicher, P.; Guenter, C.; Karstensen, S.; Krivan, F.; Lucaci-Timoce, A. -I.; Lu, S.; Lutz, B.; Marchesini, I.; Meyer, N.; Morozov, S.; Morgunov, V.; Reinecke, M.; Sefkow, F.; Smirnov, P.; Terwort, M.; Vargas-Trevino, A.; Wattimena, N.; Wendt, O.] DESY, D-22603 Hamburg, Germany.
[Feege, N.; Haller, J.; Richter, S.; Samson, J.] Univ Hamburg, Dept Phys, Inst Expt Phys, D-22761 Hamburg, Germany.
[Eckert, P.; Kaplan, A.; Schultz-Coulon, H. -Ch.; Shen, W.; Stamen, R.; Tadday, A.] Univ Heidelberg, Fak Phys & Astron, D-69120 Heidelberg, Germany.
[Bilki, B.; Norbeck, E.; Onel, Y.] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA.
[Wilson, G. W.] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.
[Kawagoe, K.; Uozumi, S.] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan.
[Dauncey, P. D.; Magnan, A. -M.] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Dept Phys, London SW7 2AZ, England.
[Wing, M.] UCL, Dept Space Phys & Astron, London WC1E 6BT, England.
[Salvatore, F.] Royal Holloway Univ London, Dept Phys, Egham TW20 0EX, Surrey, England.
[Alamillo, E. Calvo; Fouz, M. -C.; Puerta-Pelayo, J.] CIEMAT, Ctr Invest Energet Medioambient & Tecnol, E-28040 Madrid, Spain.
[Kozlov, V.; Soloviev, Y.] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 117924, Russia.
[Buzhan, P.; Dolgoshein, B.; Ilyin, A.; Kantserov, V.; Kaplin, V.; Karakash, A.; Popova, E.; Smirnov, S.; Frey, A.] Moscow Phys Engn Inst, Dept Phys, MEPhI, Moscow 115409, Russia.
[Kiesling, C.; Seidel, K.; Simon, F.; Soldner, C.; Weuste, L.] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.
[Bonis, J.; Bouquet, B.; Callier, S.; Cornebise, P.; Doublet, Ph.; Dulucq, F.; Giannelli, M. Faucci; Fleury, J.; Li, H.; Martin-Chassard, G.; Richard, F.; de la Taille, Ch.; Poeschl, R.; Raux, L.; Seguin-Moreau, N.; Wicek, F.] Univ Paris 11, Lab Accelerateur Lineaire, Ctr Sci Orsay, CNRS IN2P3, F-91898 Orsay, France.
[Anduze, M.; Boudry, V.; Brient, J-C.; Jeans, D.; de Freitas, P. Mora; Musat, G.; Reinhard, M.; Ruan, M.; Videau, H.] Ecole Polytech, CNRS, IN2P3, LLR, F-91128 Palaiseau, France.
[Bulanek, B.; Zacek, J.] Charles Univ Prague, Inst Particle & Nucl Phys, CZ-18000 Prague 8, Czech Republic.
[Cvach, J.; Gallus, P.; Havranek, M.; Janata, M.; Kvasnicka, J.; Lednicky, D.; Marcisovsky, M.; Polak, I.; Popule, J.; Tomasek, L.; Tomasek, M.; Ruzicka, P.; Sicho, P.; Smolik, J.; Vrba, V.; Zalesak, J.] Acad Sci Czech Republic, Inst Phys, CZ-18221 Prague 8, Czech Republic.
[Belhorma, B.; Ghazlane, H.] Ctr Natl Energie Sci & Tech Nucl, Rabat 10001, Morocco.
[Takeshita, T.] Shinshu Univ, Dept Phys, Nagano 390861, Japan.
RP Markin, O (reprint author), Inst Theoret & Expt Phys, B Cheremushkinskaya Ul 25, RU-117218 Moscow, Russia.
EM markin@itep.ru
RI Kirikova, Nataliia/N-1710-2015; Smirnov, Petr/N-9652-2015; Danilov,
Mikhail/C-5380-2014; Smirnov, Sergei/F-1014-2011; Mizuk,
Roman/B-3751-2014; Chadeeva, Marina/C-8789-2016; Cvach,
Jaroslav/G-6269-2014; Smolik, Jan/H-1479-2014; Marcisovsky,
Michal/H-1533-2014; Zalesak, Jaroslav/G-5691-2014; Calvo Alamillo,
Enrique/L-1203-2014; Kozlov, Valentin/M-8000-2015; Soloviev,
Yury/M-8788-2015
OI Danilov, Mikhail/0000-0001-9227-5164; Smirnov,
Sergei/0000-0002-6778-073X; Chadeeva, Marina/0000-0003-1814-1218;
Zalesak, Jaroslav/0000-0002-4519-4705; Calvo Alamillo,
Enrique/0000-0002-1100-2963; Soloviev, Yury/0000-0003-1136-2827
FU 'Quarks and Leptons' programme, France [CNRS/IN2P3]; Bundesministerium
fur Bildung und Forschung, Germany [05HS6VH1]; DFG cluster of excellence
'Origin and Structure of the Universe' of Germany;
Helmholtz-Nachwuchsgruppen [VH-NG-206]; Alexander von Humboldt
Foundation [RUS1066839 GSA]; joint Helmholtz Foundation and RFBR, SC
Rosatom [HRJRG-002]; Russian GrantsRussian Ministry for Education and
Science [SS-3270.2010.2, RFBR07-02-92281, RFBR08-02-12100-OF,
RFBR09-02-91321]; Russian National Educational Center [02.740.11.0239];
MICINN; CPAN, Spain; US Department of Energy; US National Science
Foundation; Ministry of Education, Youth and Sports of the Czech
Republic [AV0 Z3407391, AV0 Z10100502, LC527, LA09042]; Grant Agency of
the Czech Republic [202/05/0653]; Science and Technology Facilities
Council, UK
FX We would like to thank the technicians and the engineers who contributed
to the design and construction of the prototypes. CALICE conducts test
beams at CERN, DESY and FNAL and we gratefully acknowledge the
managements of these laboratories for their support and hospitality, and
their accelerator staff for the reliable and efficient beam operation.
This work was supported within the 'Quarks and Leptons' programme of the
CNRS/IN2P3, France; Bundesministerium fur Bildung und Forschung, grant
no. 05HS6VH1, Germany; by the DFG cluster of excellence 'Origin and
Structure of the Universe' of Germany; by the Helmholtz-Nachwuchsgruppen
grant VH-NG-206; by the Alexander von Humboldt Foundation (Research
Award IV, RUS1066839 GSA); by joint Helmholtz Foundation and RFBR grant
HRJRG-002, SC Rosatom; by Russian Grants SS-3270.2010.2,
RFBR07-02-92281, RFBR08-02-12100-OF, RFBR09-02-91321, by the Russian
Ministry for Education and Science and by Russian National Educational
Center grant 02.740.11.0239; by MICINN and CPAN, Spain; by the US
Department of Energy and the US National Science Foundation; by the
Ministry of Education, Youth and Sports of the Czech Republic under the
projects AV0 Z3407391, AV0 Z10100502, LC527 and LA09042 and by the Grant
Agency of the Czech Republic under the project 202/05/0653; and by the
Science and Technology Facilities Council, UK.
NR 19
TC 11
Z9 11
U1 0
U2 6
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1748-0221
J9 J INSTRUM
JI J. Instrum.
PD JUL
PY 2011
VL 6
AR P07005
PG 15
WC Instruments & Instrumentation
SC Instruments & Instrumentation
GA 814YL
UT WOS:000294493000005
ER
PT J
AU Leitner, D
Winklehner, D
Strohmeier, M
AF Leitner, D.
Winklehner, D.
Strohmeier, M.
TI Ion beam properties for ECR ion source injector systems
SO JOURNAL OF INSTRUMENTATION
LA English
DT Article
DE Scintillators, scintillation and light emission processes (solid, gas
and liquid scintillators); Ion sources (positive ions, negative ions,
electron cyclotron resonance (ECR), electron beam (EBIS)); Simulation
methods and programs; Beam-line instrumentation (beam position and
profile monitors; beam-intensity monitors; bunch length monitors)
AB Electron Cyclotron Resonance (ECR) ion sources are essential components of heavyion accelerators due to their ability to produce the wide range of ions required by these facilities. The ever-increasing intensity demands have led to remarkable performance improvements of ECR injector systems mainly due to advances in magnet technology as well as an improved understanding of the ECR ion source plasma physics. At the same time, enhanced diagnostics and simulation capabilities have improved the understanding of the injector beam transport properties. However, the initial ion beam distribution at the extraction aperture is still a subject of research. Due to the magnetic confinement necessary to sustain the ECR plasma, the ion density distribution across the extraction aperture is inhomogeneous and charge state dependent. In addition, the ion beam is extracted from a region of high axial magnetic field, which adds a rotational component to the beam, which leads to emittance growth. This paper will focus on the beam properties of ions extracted from ECR ion sources and diagnostics efforts at LBNL to develop a consistent modeling tool for the design of an optimized beam transport system for ECR ion sources.
C1 [Leitner, D.; Winklehner, D.] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA.
[Strohmeier, M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Leitner, D (reprint author), Michigan State Univ, Natl Superconducting Cyclotron Lab, 1 Cyclotron, E Lansing, MI 48824 USA.
EM LeitnerD@nscl.msu.edu
FU Office for Energy Research, Office of High Energy and Nuclear Physics,
Nuclear Physics Division of the U.S. Department of Energy [DE
AC03-76SF00098]
FX This work was supported by the Director, Office for Energy Research,
Office of High Energy and Nuclear Physics, Nuclear Physics Division of
the U.S. Department of Energy under Contract DE AC03-76SF00098.
NR 25
TC 2
Z9 2
U1 1
U2 10
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1748-0221
J9 J INSTRUM
JI J. Instrum.
PD JUL
PY 2011
VL 6
AR P07010
DI 10.1088/1748-0221/6/07/P07010
PG 19
WC Instruments & Instrumentation
SC Instruments & Instrumentation
GA 814YL
UT WOS:000294493000010
ER
PT J
AU Cleroux, C
Demenocal, P
Guilderson, T
AF Cleroux, Caroline
deMenocal, Peter
Guilderson, Thomas
TI Deglacial radiocarbon history of tropical Atlantic thermocline waters:
absence of CO2 reservoir purging signal
SO QUATERNARY SCIENCE REVIEWS
LA English
DT Article
DE Deglaciation; Radiocarbon; Thermocline; Atlantic; Equator; CO2 purging
ID LAST GLACIAL TERMINATION; NORTH-ATLANTIC; DEEP-WATER; SOUTHERN-OCEAN;
SURFACE-TEMPERATURE; C-14 CALIBRATION; ATMOSPHERIC CO2; PACIFIC-OCEAN;
SEA; CARBON
AB A current scenario to explain much of the atmospheric CO2 increase during the Glacial to Holocene climate transition requires the outgassing of a deep, old oceanic CO2 reservoir thought to be located in the Southern Ocean. In this scenario, CO2-rich and C-14-depleted subsurface Antarctic-sourced water, ventilates the thermocline where it is purged to the atmosphere in the equatorial regions, a view that has been met with conflicting results. Using a novel approach (paired surface and deep-dwelling planktonic foraminifer radiocarbon analyses), we document that the equatorial Atlantic thermocline did not see old, C-14-depleted water, which would be characteristic of the proposed isolated deep ocean CO2 reservoir. Data from several studies concur that, during the deglaciation. Antarctic intermediate waters were contributing to Atlantic thermocline waters even more than today, therefore, our observations challenge the current purging hypothesis. Together with other studies, these results suggest that the mechanism responsible for the deglacial CO2 rise cannot invoke contemporary circulation modes and/or thermocline ventilation pathways. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Cleroux, Caroline; deMenocal, Peter] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA.
[Guilderson, Thomas] Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94551 USA.
[Guilderson, Thomas] Univ Calif Santa Cruz, Dept Ocean Sci, Santa Cruz, CA 95064 USA.
RP Cleroux, C (reprint author), Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA.
EM ccleroux@ldeo.columbia.edu
RI demenocal, peter/B-1386-2013
OI demenocal, peter/0000-0002-7191-717X
FU LDEO Climate Center; American Chemical Society PRF [47625-AC2]; NSF
[OCE-0927247]
FX This work was made possible by an LDEO Climate Center grant, American
Chemical Society PRF grant 47625-AC2, and NSF award OCE-0927247. We
thank Brad Linsley and Stephen Howe at SUNY Albany for the stable
isotope measurements.
NR 61
TC 19
Z9 19
U1 1
U2 16
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0277-3791
J9 QUATERNARY SCI REV
JI Quat. Sci. Rev.
PD JUL
PY 2011
VL 30
IS 15-16
BP 1875
EP 1882
DI 10.1016/j.quascirev.2011.04.015
PG 8
WC Geography, Physical; Geosciences, Multidisciplinary
SC Physical Geography; Geology
GA 801KD
UT WOS:000293436700007
ER
PT J
AU Doering, D
Chuang, YD
Andresen, N
Chow, K
Contarato, D
Cummings, C
Domning, E
Joseph, J
Pepper, JS
Smith, B
Zizka, G
Ford, C
Lee, WS
Weaver, M
Patthey, L
Weizeorick, J
Hussain, Z
Denes, P
AF Doering, D.
Chuang, Y. -D.
Andresen, N.
Chow, K.
Contarato, D.
Cummings, C.
Domning, E.
Joseph, J.
Pepper, J. S.
Smith, B.
Zizka, G.
Ford, C.
Lee, W. S.
Weaver, M.
Patthey, L.
Weizeorick, J.
Hussain, Z.
Denes, P.
TI Development of a compact fast CCD camera and resonant soft x-ray
scattering endstation for time-resolved pump-probe experiments
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE CCD image sensors; superlattices; X-ray scattering
ID STRIPE ORDER; ANGLE CALCULATIONS; CHARGE; HOLES; SUPERCONDUCTORS;
DIFFRACTOMETER; LA2-XSRXNIO4; DIFFRACTION; MANGANITES; SPINS
AB The designs of a compact, fast CCD (cFCCD) camera, together with a resonant soft x-ray scattering endstation, are presented. The cFCCD camera consists of a highly parallel, custom, thick, high-resistivity CCD, readout by a custom 16-channel application specific integrated circuit to reach the maximum readout rate of 200 frames per second. The camera is mounted on a virtual-axis flip stage inside the RSXS chamber. When this flip stage is coupled to a differentially pumped rotary seal, the detector assembly can rotate about 100 degrees/360 degrees in the vertical/horizontal scattering planes. With a six-degrees-of-freedom cryogenic sample goniometer, this endstation has the capability to detect the superlattice reflections from the electronic orderings showing up in the lower hemisphere. The complete system has been tested at the Advanced Light Source, Lawrence Berkeley National Laboratory, and has been used in multiple experiments at the Linac Coherent Light Source, SLAC National Accelerator Laboratory. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3609862]
C1 [Doering, D.; Andresen, N.; Chow, K.; Contarato, D.; Cummings, C.; Domning, E.; Joseph, J.; Pepper, J. S.; Smith, B.; Zizka, G.; Denes, P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Engn, Berkeley, CA 94720 USA.
[Chuang, Y. -D.; Hussain, Z.; Denes, P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Lee, W. S.] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci SIMES, Menlo Pk, CA 94025 USA.
[Ford, C.; Lee, W. S.; Weaver, M.] Stanford Univ, Menlo Pk, CA 94025 USA.
[Patthey, L.] Paul Scherrer Inst, CH-5232 Villigen, Switzerland.
[Weizeorick, J.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Doering, D (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Engn, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM ddoering@lbl.gov; ychuang@lbl.gov
FU Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy (DOE) [DE-AC02-05CH11231]; Department of Energy,
Office of Basic Energy Science, through Stanford Institute for Materials
and Energy Science
FX Lawrence Berkeley National Laboratory is supported by the Director,
Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy (DOE) under Contract No. DE-AC02-05CH11231. W. S.
Lee acknowledges support from Department of Energy, Office of Basic
Energy Science, through Stanford Institute for Materials and Energy
Science.
NR 37
TC 39
Z9 39
U1 3
U2 15
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0034-6748
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 073303
DI 10.1063/1.3609862
PG 8
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400014
PM 21806178
ER
PT J
AU Eisaman, MD
Fan, J
Migdall, A
Polyakov, SV
AF Eisaman, M. D.
Fan, J.
Migdall, A.
Polyakov, S. V.
TI Invited Review Article: Single-photon sources and detectors
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Review
DE infrared detectors; photodetectors; quantum communication; ultraviolet
detectors
ID QUANTUM KEY DISTRIBUTION; NUMBER-RESOLVING DETECTOR; TIME-DOMAIN
REFLECTOMETER; SUPERCONDUCTING TUNNEL-JUNCTION; FREQUENCY UP-CONVERSION;
DISPERSION-SHIFTED FIBER; TRANSITION-EDGE SENSORS; FIELD-EFFECT
TRANSISTOR; AVALANCHE-DIODES SPADS; POLED LITHIUM-NIOBATE
AB We review the current status of single-photon-source and single-photon-detector technologies operating at wavelengths from the ultraviolet to the infrared. We discuss applications of these technologies to quantum communication, a field currently driving much of the development of single-photon sources and detectors. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3610677]
C1 NIST, Gaithersburg, MD 20899 USA.
Univ Maryland, Joint Quantum Inst, College Pk, MD 20742 USA.
RP Eisaman, MD (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
RI Eisaman, Matthew/E-8006-2011
OI Eisaman, Matthew/0000-0002-3814-6430
NR 358
TC 334
Z9 340
U1 39
U2 294
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 071101
DI 10.1063/1.3610677
PG 25
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400001
PM 21806165
ER
PT J
AU Madden, T
Fernandez, P
Jemian, P
Narayanan, S
Sandy, AR
Sikorski, M
Sprung, M
Weizeorick, J
AF Madden, T.
Fernandez, P.
Jemian, P.
Narayanan, S.
Sandy, A. R.
Sikorski, M.
Sprung, M.
Weizeorick, J.
TI Firmware lower-level discrimination and compression applied to streaming
x-ray photon correlation spectroscopy area-detector data
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE CCD image sensors; field programmable gate arrays; photon correlation
spectroscopy; X-ray spectroscopy
ID INTENSITY FLUCTUATION SPECTROSCOPY; SCATTERING; DYNAMICS
AB We present a data acquisition system to perform on-the-fly background subtraction and lower-level discrimination compression of streaming x-ray photon correlation spectroscopy data from a fast charge-coupled device (CCD) area detector. The system is built using a commercial frame grabber with an on-board field-programmable gate array. The system is capable of continuously processing at least 60 CCD frames per second each consisting of 1024 x 1024 16-bit pixels with less than or similar to 15 000 photon hits per frame at a maximum compression factor of approximate to 95%. (C) 2011 American Institute of Physics. [doi:10.1063/1.3602277]
C1 [Madden, T.; Fernandez, P.; Jemian, P.; Narayanan, S.; Sandy, A. R.; Sikorski, M.; Sprung, M.; Weizeorick, J.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA.
RP Madden, T (reprint author), Argonne Natl Lab, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM tmadden@aps.anl.gov
FU U.S. DOE [DE-AC02-06CH11357]
FX Use of the Advanced Photon Source, an Office of Science User Facility
operated for the U.S. Department of Energy (DOE) Office of Science by
Argonne National Laboratory, was supported by the U.S. DOE under
Contract No. DE-AC02-06CH11357.
NR 20
TC 3
Z9 3
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0034-6748
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 075109
DI 10.1063/1.3602277
PG 8
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400065
PM 21806229
ER
PT J
AU March, AM
Stickrath, A
Doumy, G
Kanter, EP
Krassig, B
Southworth, SH
Attenkofer, K
Kurtz, CA
Chen, LX
Young, L
AF March, Anne Marie
Stickrath, Andrew
Doumy, Gilles
Kanter, Elliot P.
Kraessig, Bertold
Southworth, Stephen H.
Attenkofer, Klaus
Kurtz, Charles A.
Chen, Lin X.
Young, Linda
TI Development of high-repetition-rate laser pump/x-ray probe methodologies
for synchrotron facilities
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE data acquisition; high-speed optical techniques; laser beams; light
sources; optical focusing; optical harmonic generation; optical pumping;
organic compounds; X-ray absorption spectra; X-ray apparatus; X-ray
lasers
ID ABSORPTION-SPECTROSCOPY; STRUCTURAL DYNAMICS; X-RAYS; GENERATION;
TRANSIENT; METALLOPORPHYRIN; SNAPSHOTS; ELECTRON; SOFT
AB We describe our implementation of a high repetition rate (54 kHz-6.5 MHz), high power (> 10 W), laser system at the 7ID beamline at the Advanced Photon Source for laser pump/x-ray probe studies of optically driven molecular processes. Laser pulses at 1.06 mu m wavelength and variable duration (10 or 130 ps) are synchronized to the storage ring rf signal to a precision of similar to 250 fs rms. Frequency doubling and tripling of the laser radiation using nonlinear optical techniques have been applied to generate 532 and 355 nm light. We demonstrate that by combining a microfocused x-ray probe with focused optical laser radiation the requisite fluence (with < 10 mu J/pulse) for efficient optical excitation can be readily achieved with a compact and commercial laser system at megahertz repetition rates. We present results showing the time-evolution of near-edge x-ray spectra of a well-studied, laser-excited metalloporphyrin, Ni(II)-tetramesitylporphyrin. The use of high repetition rate, short pulse lasers as pump sources will dramatically enhance the duty cycle and efficiency in data acquisition and hence capabilities for laser-pump/x-ray probe studies of ultrafast structural dynamics at synchrotron sources. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3615245]
C1 [March, Anne Marie; Doumy, Gilles; Kanter, Elliot P.; Kraessig, Bertold; Southworth, Stephen H.; Attenkofer, Klaus; Kurtz, Charles A.; Young, Linda] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
[Stickrath, Andrew; Chen, Lin X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Chen, Lin X.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
RP March, AM (reprint author), Argonne Natl Lab, Adv Photon Source, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM amarch@anl.gov
RI Kurtz, Chalres/G-1037-2011
OI Kurtz, Chalres/0000-0003-2606-0864
FU U.S. Department of Energy (DOE) Office of Science, Division of Chemical,
Geological and Biological Sciences [DE-AC02-06CH11357]; U.S. DOE
[DE-AC02-06CH11357]
FX We acknowledge support from the U.S. Department of Energy (DOE) Office
of Science, Division of Chemical, Geological and Biological Sciences
under Contract No. DE-AC02-06CH11357. Use of the Advanced Photon Source,
an Office of Science User Facility operated for DOE Office of Science by
Argonne National Laboratory, was supported by the U.S. DOE under
Contract No. DE-AC02-06CH11357.
NR 35
TC 42
Z9 42
U1 4
U2 27
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 073110
DI 10.1063/1.3615245
PG 8
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400011
PM 21806175
ER
PT J
AU Rhodes, K
Kirkham, M
Meisner, R
Parish, CM
Dudney, N
Daniel, C
AF Rhodes, Kevin
Kirkham, Melanie
Meisner, Roberta
Parish, Chad M.
Dudney, Nancy
Daniel, Claus
TI Novel cell design for combined in situ acoustic emission and x-ray
diffraction study during electrochemical cycling of batteries
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE acoustic emission; cells (electric); electrochemical electrodes; X-ray
diffraction
ID LITHIUM-ION BATTERIES; POWDER; ELECTRODES; CHARGE; LI
AB An in situ acoustic emission (AE) and x-ray diffraction cell for use in the study of battery electrode materials has been designed and tested. This cell uses commercially available coin cell hardware retrofitted with a metalized polyethylene terephthalate (PET) disk, which acts as both an x-ray window and a current collector. In this manner, the use of beryllium and its associated cost and hazards is avoided. An AE sensor may be affixed to the cell face opposite the PET window in order to monitor degradation effects, such as particle fracture, during cell cycling. Silicon particles, which were previously studied by the AE technique, were tested in this cell as a model material. The performance of these cells compared well with unmodified coin cells, while providing information about structural changes in the active material as the cell is repeatedly charged and discharged. (C) 2011 American Institute of Physics. [doi:10.1063/1.3607961]
C1 [Rhodes, Kevin; Kirkham, Melanie; Meisner, Roberta; Parish, Chad M.; Dudney, Nancy; Daniel, Claus] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37931 USA.
[Rhodes, Kevin; Meisner, Roberta; Daniel, Claus] Univ Tennessee, Mat Sci & Engn Dept, Knoxville, TN 37996 USA.
RP Rhodes, K (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, 1 Bethel Valley Rd,MS 6083, Oak Ridge, TN 37931 USA.
RI Kirkham, Melanie/B-6147-2011; Parish, Chad/J-8381-2013;
OI Kirkham, Melanie/0000-0001-8411-9751; Parish, Chad/0000-0003-1209-7439
FU U.S. Department of Energy (DOE) [DE-AC05-00OR22725]; Office of Energy
Efficiency and Renewable Energy; Office of Basic Energy Sciences,
Division of Materials Sciences and Engineering; Office of Basic Energy
Sciences, U.S. Department of Energy
FX Research at Oak Ridge National Laboratory, managed by UT Battelle, LLC,
for the U.S. Department of Energy (DOE) under Contract No.
DE-AC05-00OR22725, was sponsored by the Vehicle Technologies Program,
Office of Energy Efficiency and Renewable Energy and the Office of Basic
Energy Sciences, Division of Materials Sciences and Engineering, with
additional support through the High Temperature Materials Laboratory
User Program, and ORNL's Shared Research Equipment (SHaRE) User
Facility, which is sponsored by the Office of Basic Energy Sciences,
U.S. Department of Energy. The authors would also like to thank Andrew
Payzant for his assistance.
NR 21
TC 20
Z9 20
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 0034-6748
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 075107
DI 10.1063/1.3607961
PG 7
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400063
PM 21806227
ER
PT J
AU Schmidt, M
Eng, PJ
Stubbs, JE
Fenter, P
Soderholm, L
AF Schmidt, M.
Eng, P. J.
Stubbs, J. E.
Fenter, P.
Soderholm, L.
TI A new x-ray interface and surface scattering environmental cell design
for in situ studies of radioactive and atmosphere-sensitive samples
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE geophysical equipment; radiology; surface scattering; X-ray scattering
ID HUMIC ACIDS; SORPTION; BEAMLINE; SPECTROSCOPY; PLUTONIUM; COMPLEXATION;
DIFFRACTION; MICROSCOPY; ACTINIDES; MINERALS
AB We present a novel design of a purpose-built, portable sample cell for in situ x-ray scattering experiments of radioactive or atmosphere sensitive samples. The cell has a modular design that includes two independent layers of containment that are used simultaneously to isolate the sensitive samples. Both layers of containment can be flushed with an inert gas, thus serving a double purpose as containment of radiological material (either as a solid sample or as a liquid phase) and in separating reactive samples from the ambient atmosphere. A remote controlled solution flow system is integrated into the containment system that allows sorption experiments to be performed on the diffractometer. The cell's design is discussed in detail and we demonstrate the cell's performance by presenting first results of crystal truncation rod measurements. The results were obtained from muscovite mica single crystals reacted with 1 mM solutions of Th-IV with 0.1 M NaCl background electrolyte. Data were obtained in specular as well as off-specular geometry. (C) 2011 American Institute of Physics. [doi:10.1063/1.3605484]
C1 [Schmidt, M.; Fenter, P.; Soderholm, L.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Eng, P. J.; Stubbs, J. E.] Univ Chicago, Consortium Adv Radiat Sources, Chicago, IL 60637 USA.
RP Schmidt, M (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM mschmidt@anl.gov
RI Schmidt, Moritz/C-2610-2011; Stubbs, Joanne/F-9710-2013;
OI Schmidt, Moritz/0000-0002-8419-0811; Stubbs, Joanne/0000-0002-8509-2009;
Fenter, Paul/0000-0002-6672-9748
FU United States Department of Energy [DE-AC02-06CH11357]; United States
Department of Energy Office of Science [DE-AC02-06CH11357]; BER
[DE-AC02-06CH11357]; National Science Foundation (NSF)
[DE-AC02-06CH11357]; EPA [DE-AC02-06CH11357]; National Science
Foundation - Earth Sciences [EAR-0622171]; Department of Energy -
Geosciences [DE-FG02-94ER14466]
FX This work conducted at the Argonne National Laboratory, operated by
UChicagoArgonne LLC for the United States Department of Energy under
Contract No. DE-AC02-06CH11357, is jointly supported by the United
States Department of Energy Office of Science, BER, National Science
Foundation (NSF), and EPA. Portions of this work were performed at
GeoSoilEnviroCARS (APS Sector 13), which is supported by the National
Science Foundation - Earth Sciences (EAR-0622171) and Department of
Energy - Geosciences (DE-FG02-94ER14466).
NR 51
TC 2
Z9 2
U1 2
U2 23
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 075105
DI 10.1063/1.3605484
PG 10
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400061
PM 21806225
ER
PT J
AU Zhang, JY
Shaddix, CR
Schefer, RW
AF Zhang, Jiayao
Shaddix, Christopher R.
Schefer, Robert W.
TI Design of "model-friendly" turbulent non-premixed jet burners for C2+
hydrocarbon fuels
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE boundary layer turbulence; chemically reactive flow; combustion
equipment; design engineering; flames; flow visualisation; heat
transfer; jets; organic compounds; pipe flow; soot; stratified flow;
vortices
ID LARGE-EDDY SIMULATION; SANDIA FLAME-D; DIFFUSION FLAMES; NITROGEN
EMISSIONS; SPONTANEOUS RAMAN; SCALAR PROPERTIES; SOOT FORMATION;
SCATTERING; RADIATION; EXTINCTION
AB Experimental measurements in laboratory-scale turbulent burners with well-controlled boundary and flow configurations can provide valuable data for validating models of turbulence-chemistry interactions applicable to the design and analysis of practical combustors. This paper reports on the design of two canonical nonpremixed turbulent jet burners for use with undiluted gaseous and liquid hydrocarbon fuels, respectively. Previous burners of this type have only been developed for fuels composed of H2, CO, and/or methane, often with substantial dilution. While both new burners are composed of concentric tubes with annular pilot flames, the liquid-fuel burner has an additional fuel vaporization step and an electrically heated fuel vapor delivery system. The performance of these burners is demonstrated by interrogating four ethylene flames and one flame fueled by a simple JP-8 surrogate. Through visual observation, it is found that the visible flame lengths show good agreement with standard empirical correlations. Rayleigh line imaging demonstrates that the pilot flame provides a spatially homogeneous flow of hot products along the edge of the fuel jet. Planar imaging of OH laser-induced fluorescence reveals a lack of local flame extinction in the high-strain near-burner region for fuel jet Reynolds numbers (Re) less than 20 000, and increasingly common extinction events for higher jet velocities. Planar imaging of soot laser-induced incandescence shows that the soot layers in these flames are relatively thin and are entrained into vortical flow structures in fuel-rich regions inside of the flame sheet. (C) 2011 American Institute of Physics. [doi:10.1063/1.3605491]
C1 [Zhang, Jiayao; Shaddix, Christopher R.; Schefer, Robert W.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94550 USA.
RP Zhang, JY (reprint author), Sandia Natl Labs, Combust Res Facil, 7011 East Ave, Livermore, CA 94550 USA.
FU U.S. Strategic Environmental Research and Development Program (SERDP);
U.S. Department of Energy (DOE) [DE-AC04-94-AL85000]
FX This work was supported by the U.S. Strategic Environmental Research and
Development Program (SERDP). The authors thank Allen Salmi and Dennis
Morrison of Sandia for their assistance with the design and assembly of
the burners and vaporizer, and Robert Harmon of Sandia for his technical
assistance with experiments. Rob Barlow and Joe Oefelein of Sandia are
gratefully acknowledged for advice on burner design and suggestions on
selecting appropriate flame conditions to investigate. Sandia is
operated by the Sandia Corporation, a Lockheed Martin Company, for the
U.S. Department of Energy (DOE) under Contract DE-AC04-94-AL85000.
NR 62
TC 10
Z9 11
U1 0
U2 20
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0034-6748
EI 1089-7623
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD JUL
PY 2011
VL 82
IS 7
AR 074101
DI 10.1063/1.3605491
PG 10
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 802GX
UT WOS:000293498400037
PM 21806201
ER
PT J
AU Manginell, RP
Bauer, JM
Moorman, MW
Sanchez, LJ
Anderson, JM
Whiting, JJ
Porter, DA
Copic, D
Achyuthan, KE
AF Manginell, Ronald P.
Bauer, Joseph M.
Moorman, Matthew W.
Sanchez, Lawrence J.
Anderson, John M.
Whiting, Joshua J.
Porter, Daniel A.
Copic, Davor
Achyuthan, Komandoor E.
TI A Monolithically-Integrated mu GC Chemical Sensor System
SO SENSORS
LA English
DT Article
DE monolithic integration; mu GC; cost modeling; thermal isolation; CWA
simulants
ID MICRO GAS-CHROMATOGRAPHY; CHIP; PRECONCENTRATOR; ARRAYS; COLUMN
AB Gas chromatography (GC) is used for organic and inorganic gas detection with a range of applications including screening for chemical warfare agents (CWA), breath analysis for diagnostics or law enforcement purposes, and air pollutants/indoor air quality monitoring of homes and commercial buildings. A field-portable, light weight, low power, rapid response, micro-gas chromatography (mu GC) system is essential for such applications. We describe the design, fabrication and packaging of mu GC on monolithically-integrated Si dies, comprised of a preconcentrator (PC), mu GC column, detector and coatings for each of these components. An important feature of our system is that the same mechanical micro resonator design is used for the PC and detector. We demonstrate system performance by detecting four different CWA simulants within 2 min. We present theoretical analyses for cost/power comparisons of monolithic versus hybrid mu GC systems. We discuss thermal isolation in monolithic systems to improve overall performance. Our monolithically-integrated mu GC, relative to its hybrid cousin, will afford equal or slightly lower cost, a footprint that is 1/2 to 1/3 the size and an improved resolution of 4 to 25%.
C1 [Manginell, Ronald P.; Moorman, Matthew W.; Anderson, John M.] Sandia Natl Labs, Integrated Microdevice Syst Dept, Albuquerque, NM 87185 USA.
[Bauer, Joseph M.] Charles Stark Draper Lab Inc, Cambridge, MA 02139 USA.
[Whiting, Joshua J.] 3 Degrees Separat, Dayton, OH 45402 USA.
[Porter, Daniel A.] Univ Louisville, Dept Mech Engn, Louisville, KY 40292 USA.
[Copic, Davor] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA.
[Achyuthan, Komandoor E.] Sandia Natl Labs, Biosensors & Nanomat Dept, Albuquerque, NM 87185 USA.
RP Manginell, RP (reprint author), Sandia Natl Labs, Integrated Microdevice Syst Dept, POB 5800, Albuquerque, NM 87185 USA.
EM rpmangi@sandia.gov; jbauer@draper.com; mmoorma@sandia.gov;
ljsanch@sandia.gov; jmander@sandia.gov;
joshua.whiting@3dsanalytical.com; daport02@louisville.edu;
copicd@umich.edu; kachyut@sandia.gov
RI Copic, Davor/J-5011-2014
OI Copic, Davor/0000-0002-9346-8846
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 24
TC 34
Z9 34
U1 3
U2 28
PU MDPI AG
PI BASEL
PA POSTFACH, CH-4005 BASEL, SWITZERLAND
SN 1424-8220
J9 SENSORS-BASEL
JI Sensors
PD JUL
PY 2011
VL 11
IS 7
BP 6517
EP 6532
DI 10.3390/s110706517
PG 16
WC Chemistry, Analytical; Electrochemistry; Instruments & Instrumentation
SC Chemistry; Electrochemistry; Instruments & Instrumentation
GA 796RK
UT WOS:000293069200003
PM 22163970
ER
PT J
AU Chathoth, SM
AF Chathoth, S. M.
TI Microscopic glass-transition in Ni-based metallic glass-forming melts
SO EPL
LA English
DT Article
ID MODE-COUPLING THEORY; SUPERCOOLED LIQUIDS; RELAXATION; DIFFUSION;
ALLOYS; PD40NI40P20
AB Quasielastic neutron scattering (QENS) has been used to investigate microscopic dynamics in the glass-forming Ni(80)P(20), Pd(40)Ni(40)P(20) and Pd(43)Ni(10)Cu(27)P(20) melts. These melts are characterized by a high-packing fraction that is similar at their liquidus temperatures. Increasing the number of components in these melts increases the viscosity at their liquidus temperature. However, the fragility of these melts did not show a composition dependence. Atomic dynamics in these liquids agree well with mode-coupling theory (MCT) predictions. From the MCT analysis of the QENS data the critical packing fractions for the microscopic glass-transition (phi(c)) were obtained. The values obtained for phi(c) are well within the MCT theoretical predictions for hard-sphere liquids. Copyright (C) EPLA, 2011
C1 [Chathoth, S. M.] Tech Univ Munich, Phys Dept E13, D-85747 Garching, Germany.
RP Chathoth, SM (reprint author), Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
EM smchathoth@gmail.com
RI Mavila Chathoth, Suresh/E-7560-2010
OI Mavila Chathoth, Suresh/0000-0002-4120-6959
FU Deutsche Forschungsgemeinschaft [SPP 1120, Me1958/2-3]
FX The author thanks Prof. A. MEYER (Institut fur Materialphysik im
Weltraum, German Aerospace Center (DLR), Koln, Germany) for his support
and acknowledges financial support from the Deutsche
Forschungsgemeinschaft within SPP 1120 under Grant No. Me1958/2-3.
NR 23
TC 0
Z9 0
U1 1
U2 13
PU EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
PI MULHOUSE
PA 6 RUE DES FRERES LUMIERE, MULHOUSE, 68200, FRANCE
SN 0295-5075
J9 EPL-EUROPHYS LETT
JI EPL
PD JUL
PY 2011
VL 95
IS 2
AR 26001
DI 10.1209/0295-5075/95/26001
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 787NY
UT WOS:000292384900018
ER
PT J
AU Gruber, D
Greiner, J
von Kienlin, A
Rau, A
Briggs, MS
Connaughton, V
Goldstein, A
van der Horst, AJ
Nardini, M
Bhat, PN
Bissaldi, E
Burgess, JM
Chaplin, VL
Diehl, R
Fishman, GJ
Fitzpatrick, G
Foley, S
Gibby, MH
Giles, MM
Guiriec, S
Kippen, RM
Kouveliotou, C
Lin, L
McBreen, S
Meegan, CA
Olivares, F
Paciesas, WS
Preece, RD
Tierney, D
Wilson-Hodge, C
AF Gruber, D.
Greiner, J.
von Kienlin, A.
Rau, A.
Briggs, M. S.
Connaughton, V.
Goldstein, A.
van der Horst, A. J.
Nardini, M.
Bhat, P. N.
Bissaldi, E.
Burgess, J. M.
Chaplin, V. L.
Diehl, R.
Fishman, G. J.
Fitzpatrick, G.
Foley, S.
Gibby, M. H.
Giles, M. M.
Guiriec, S.
Kippen, R. M.
Kouveliotou, C.
Lin, L.
McBreen, S.
Meegan, C. A.
Olivares E, F.
Paciesas, W. S.
Preece, R. D.
Tierney, D.
Wilson-Hodge, C.
TI Rest-frame properties of 32 gamma-ray bursts observed by the Fermi
Gamma-ray Burst Monitor
SO ASTRONOMY & ASTROPHYSICS
LA English
DT Article
DE gamma-ray burst: general
ID E-PEAK; REDSHIFT DISTRIBUTION; LUMINOSITY FUNCTION; SPECTRA; BATSE;
EVOLUTION; MISSION; ENERGETICS; TELESCOPE; ASTRONOMY
AB Aims. In this paper we study the main spectral and temporal properties of gamma-ray bursts (GRBs) observed by Fermi/GBM. We investigate these key properties of GRBs in the rest-frame of the progenitor and test for possible intra-parameter correlations to better understand the intrinsic nature of these events.
Methods. Our sample comprises 32 GRBs with measured redshift that were observed by GBM until August 2010. 28 of them belong to the long-duration population and 4 events were classified as short/hard bursts. For all of these events we derive, where possible, the intrinsic peak energy in the nu F(nu) spectrum (E(p,rest)), the duration in the rest-frame, defined as the time in which 90% of the burst fluence was observed (T(90,rest)) and the isotropic equivalent bolometric energy (E(iso)).
Results. The distribution of E(p), rest has mean and median values of 1.1 MeV and 750 keV, respectively. A log-normal fit to the sample of long bursts peaks at similar to 800 keV. No high-E(p) population is found but the distribution is biased against low E(p) values. We find the lowest possible E(p) that GBM can recover to be approximate to 15 keV. The T(90,rest) distribution of long GRBs peaks at similar to 10 s. The distribution of E(iso) has mean and median values of 8.9 x 10(52) erg and 8.2 x 10(52) erg, respectively. We confirm the tight correlation between E(p,rest) and E(iso) (Amati relation) and the one between E(p,rest) and the 1-s peak luminosity (L(p)) (Yonetoku relation). Additionally, we observe a parameter reconstruction effect, i.e. the low-energy power law index a gets softer when E(p) is located at the lower end of the detector energy range. Moreover, we do not find any significant cosmic evolution of neither E(p,rest) nor T(90,rest).
C1 [Gruber, D.; Greiner, J.; von Kienlin, A.; Rau, A.; Nardini, M.; Bissaldi, E.; Diehl, R.; Foley, S.; McBreen, S.; Olivares E, F.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
[Briggs, M. S.; Connaughton, V.; Goldstein, A.; van der Horst, A. J.; Bhat, P. N.; Burgess, J. M.; Chaplin, V. L.; Guiriec, S.; Lin, L.; Paciesas, W. S.; Preece, R. D.] Univ Alabama, NSSTC, Huntsville, AL 35805 USA.
[Fitzpatrick, G.; McBreen, S.; Tierney, D.] Univ Coll, Dublin 4, Ireland.
[Fishman, G. J.; Kouveliotou, C.; Wilson-Hodge, C.] NASA, George C Marshall Space Flight Ctr, Space Sci Off, VP62, 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.] NSSTC, Univ Space Res Assoc, Huntsville, AL 35805 USA.
RP Gruber, D (reprint author), Max Planck Inst Extraterr Phys, Giessenbachstr 1, 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
FU NASA [NNH07ZDA001-GLAST]; Irish Research Council for Science,
Engineering and Technology; Marie Curie Actions under FP7; German
Bundesministerium fur Wirtschaft und Technologie (BMWi) via the
Deutsches Zentrum fur Luft- und Raumfahrt (DLR) [50 QV 0301, 50 OG 0502]
FX We thank Jonathan Granot for useful discussions. A.J.v.d.H. was
supported by NASA grant NNH07ZDA001-GLAST. SF acknowledges the support
of the Irish Research Council for Science, Engineering and Technology,
cofunded by Marie Curie Actions under FP7. 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.
NR 78
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 JUL
PY 2011
VL 531
AR A20
DI 10.1051/0004-6361/201116953
PG 10
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 795YZ
UT WOS:000293017700161
ER
PT J
AU Labadie, L
Martin, G
Anheier, NC
Arezki, B
Qiao, HA
Bernacki, B
Kern, P
AF Labadie, L.
Martin, G.
Anheier, N. C.
Arezki, B.
Qiao, H. A.
Bernacki, B.
Kern, P.
TI First fringes with an integrated-optics beam combiner at 10 mu m A new
step towards instrument miniaturization for mid-infrared interferometry
SO ASTRONOMY & ASTROPHYSICS
LA English
DT Article
DE instrumentation: high angular resolution; instrumentation:
interferometers; methods: laboratory; techniques: interferometric
ID CONDUCTIVE WAVE-GUIDES; ASTRONOMICAL INTERFEROMETRY; NULLING
INTERFEROMETER; EXTRASOLAR PLANETS; STELLAR INTERFEROMETRY; GLASS;
INTERFEROGRAMS; SEARCH; SPACE; FIBER
AB Context. Observations of milliarcsecond-resolution scales and high dynamic range hold a central place in the exploration of distant planetary systems in order to achieve, for instance, the spectroscopic characterization of exo-Earths or the detailed mapping of their protoplanetary disc birthplace. Multi-aperture infrared interferometry, either from the ground or from space, is a very powerful technique to tackle these goals. However, significant technical efforts still need to be undertaken to achieve a simplification of these instruments if we wish to recombine the light from a large number of telescopes. Integrated-optics concepts appear to be a suitable alternative to the current conventional designs, especially if their use can be extended to a higher number of astronomical bands.
Aims. This article reports, for the first time to our knowledge, the experimental demonstration of the feasibility of an integrated-optics approach to mid-infrared beam combination for single-mode stellar interferometry.
Methods. We fabricated a two-telescope beam combiner prototype integrated on a substrate of chalcogenide glass, a material transparent from similar to 1 mu m to similar to 14 mu m. We developed laboratory tools to characterize in the mid-infrared the modal properties and the interferometric capabilities of our device.
Results. We obtain interferometric fringes at 10 mu m and measure a mean contrast V = 0.981 +/- 0.001 with high repeatability over one week and high stability over a time-period of similar to 5 h. We show experimentally - as well as on the basis of modeling considerations - that the component has a single-mode behavior at this wavelength, which is essential to achieve high-accuracy interferometry. From previous studies, the propagation losses are estimated to be 0.5 dB/cm for this type of component. We also discuss possible issues that may impact the interferometric contrast.
Conclusions. The IO beam combiner performs well at the tested wavelength. We also anticipate the requirement of a closer matching between the numerical apertures of the component and the (de) coupling optics to optimize the total throughput. The next step foreseen is the achievement of wide-band interferograms.
C1 [Labadie, L.] Inst Astrofis Canarias, Tenerife 38200, Spain.
[Martin, G.; Arezki, B.; Kern, P.] UJF Grenoble 1, CNRS INSU, IPAG, UMR 5274, F-38041 Grenoble, France.
[Anheier, N. C.; Qiao, H. A.; Bernacki, B.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Labadie, L.] Univ La Laguna, Dept Astrofis, Tenerife 38205, Islas Canarias, Spain.
[Labadie, L.] Univ Cologne, Phys Inst 1, D-50937 Cologne, Germany.
RP Labadie, L (reprint author), Inst Astrofis Canarias, C Via Lactea S-N, Tenerife 38200, Spain.
EM labadie@iac.es
FU Spanish MICINN [CSD2006-00070]; US Department of Energy, Office of
Nonproliferation Research and Development [NA-22]; U.S. Department of
Energy by Battelle Memorial Institute [DE-AC05-76RLO1830]
FX L.L. is funded by the Spanish MICINN under the Consolider-Ingenio 2010
Program grant CSD2006-00070: First Science with the GTC
(www.iac.es/consolider-ingenio-gtc). This work was also supported by the
US Department of Energy, Office of Nonproliferation Research and
Development (NA-22). Pacific Northwest National Laboratory is operated
for the U.S. Department of Energy by Battelle Memorial Institute under
Contract No. DE-AC05-76RLO1830.
NR 36
TC 14
Z9 14
U1 0
U2 3
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 JUL
PY 2011
VL 531
AR A48
DI 10.1051/0004-6361/201116727
PG 7
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 795YZ
UT WOS:000293017700120
ER
PT J
AU Alverson, AJ
Rice, DW
Dickinson, S
Barry, K
Palmer, JD
AF Alverson, Andrew J.
Rice, Danny W.
Dickinson, Stephanie
Barry, Kerrie
Palmer, Jeffrey D.
TI Origins and Recombination of the Bacterial-Sized Multichromosomal
Mitochondrial Genome of Cucumber
SO PLANT CELL
LA English
DT Article
ID GROUP-I INTRON; CHLOROPLAST DNA; MARCHANTIA-POLYMORPHA; COMPLETE
SEQUENCE; PHYSICAL MAP; GENE CONTENT; GUIDE RNAS; ATPA GENE;
ORGANIZATION; MAIZE
AB Members of the flowering plant family Cucurbitaceae harbor the largest known mitochondrial genomes. Here, we report the 1685-kb mitochondrial genome of cucumber (Cucumis sativus). We help solve a 30-year mystery about the origins of its large size by showing that it mainly reflects the proliferation of dispersed repeats, expansions of existing introns, and the acquisition of sequences from diverse sources, including the cucumber nuclear and chloroplast genomes, viruses, and bacteria. The cucumber genome has a novel structure for plant mitochondria, mapping as three entirely or largely autonomous circular chromosomes (lengths 1556, 84, and 45 kb) that vary in relative abundance over a twofold range. These properties suggest that the three chromosomes replicate independently of one another. The two smaller chromosomes are devoid of known functional genes but nonetheless contain diagnostic mitochondrial features. Paired-end sequencing conflicts reveal differences in recombination dynamics among chromosomes, for which an explanatory model is developed, as well as a large pool of low-frequency genome conformations, many of which may result from asymmetric recombination across intermediate-sized and sometimes highly divergent repeats. These findings highlight the promise of genome sequencing for elucidating the recombinational dynamics of plant mitochondrial genomes.
C1 [Alverson, Andrew J.; Rice, Danny W.; Palmer, Jeffrey D.] Indiana Univ, Dept Biol, Bloomington, IN 47405 USA.
[Dickinson, Stephanie] Indiana Univ, Dept Stat, Bloomington, IN 47408 USA.
[Barry, Kerrie] Joint Genome Inst, Dept Energy, Walnut Creek, CA 94598 USA.
RP Palmer, JD (reprint author), Indiana Univ, Dept Biol, Bloomington, IN 47405 USA.
EM jpalmer@indiana.edu
RI Palmer, Jeffrey/P-6747-2014;
OI Palmer, Jeffrey/0000-0002-4626-2220; Alverson,
Andrew/0000-0003-1241-2654
FU National Institutes of Health [1F32GM080079-01A1, RO1-GM-70612]; METACyt
Initiative of Indiana University; Lilly Endowment; Office of Science of
the U.S. Department of Energy [DE-AC02-05CH11231]
FX We thank Arnie Bendich (University of Washington), Sally Mackenzie
(University of Nebraska), Susanne Renner (University of Munich), Dan
Sloan (University of Virginia), and two anonymous reviewers for critical
comments. We thank Dan Croaker and Nischit Shetty (Seminis Vegetable
Seeds) for providing the Calypso seed. This work was supported by the
National Institutes of Health (1F32GM080079-01A1 to A.J.A. and
RO1-GM-70612 to J.D.P.) and the METACyt Initiative of Indiana
University, funded in part through a major grant from the Lilly
Endowment to J.D.P. The U.S. Department of Energy Joint Genome Institute
provided sequencing and analyses under the Community Sequencing Program
supported by the Office of Science of the U.S. Department of Energy
under Contract DE-AC02-05CH11231.
NR 77
TC 79
Z9 87
U1 7
U2 20
PU AMER SOC PLANT BIOLOGISTS
PI ROCKVILLE
PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 USA
SN 1040-4651
J9 PLANT CELL
JI Plant Cell
PD JUL
PY 2011
VL 23
IS 7
BP 2499
EP 2513
DI 10.1105/tpc.111.087189
PG 15
WC Biochemistry & Molecular Biology; Plant Sciences; Cell Biology
SC Biochemistry & Molecular Biology; Plant Sciences; Cell Biology
GA 810XU
UT WOS:000294164300009
PM 21742987
ER
PT J
AU Weng, JK
Akiyama, T
Ralph, J
Chapple, C
AF Weng, Jing-Ke
Akiyama, Takuya
Ralph, John
Chapple, Clint
TI Independent Recruitment of an O-Methyltransferase for Syringyl Lignin
Biosynthesis in Selaginella moellendorffii
SO PLANT CELL
LA English
DT Article
ID ALFALFA MEDICAGO-SATIVA; DOWN-REGULATION; MONOLIGNOL BIOSYNTHESIS;
SUBSTRATE-SPECIFICITY; CONVERGENT EVOLUTION; ARABIDOPSIS-THALIANA;
VASCULAR PLANTS; GENE CLUSTERS; EXPRESSION; DEFICIENT
AB Syringyl lignin, an important component of the secondary cell wall, has traditionally been considered to be a hallmark of angiosperms because ferns and gymnosperms in general lack lignin of this type. Interestingly, syringyl lignin was also detected in Selaginella, a genus that represents an extant lineage of the most basal of the vascular plants, the lycophytes. In angiosperms, syringyl lignin biosynthesis requires the activity of ferulate 5-hydroxylase (F5H), a cytochrome P450-dependent monooxygenase, and caffeic acid/5-hydroxyferulic acid O-methyltransferase (COMT). Together, these two enzymes divert metabolic flux from the biosynthesis of guaiacyl lignin, a lignin type common to all vascular plants, toward syringyl lignin. Selaginella has independently evolved an alternative lignin biosynthetic pathway in which syringyl subunits are directly derived from the precursors of p-hydroxyphenyl lignin, through the action of a dual specificity phenylpropanoid meta-hydroxylase, Sm F5H. Here, we report the characterization of an O-methyltransferase from Selaginella moellendorffii, COMT, the coding sequence of which is clustered together with F5H at the adjacent genomic locus. COMT is a bifunctional phenylpropanoid O-methyltransferase that can methylate phenylpropanoid meta-hydroxyls at both the 3- and 5-position and function in concert with F5H in syringyl lignin biosynthesis in S. moellendorffii. Phylogenetic analysis reveals that Sm COMT, like F5H, evolved independently from its angiosperm counterparts.
C1 [Weng, Jing-Ke; Chapple, Clint] Purdue Univ, Dept Biochem, W Lafayette, IN 47907 USA.
[Akiyama, Takuya] ARS, US Dairy Forage Res Ctr, USDA, Madison, WI 53706 USA.
[Ralph, John] Univ Wisconsin, Dept Biochem, Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
[Ralph, John] Univ Wisconsin, Dept Energy, Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
RP Chapple, C (reprint author), Purdue Univ, Dept Biochem, W Lafayette, IN 47907 USA.
EM chapple@purdue.edu
RI Ye, Mingli/G-4909-2012; Weng, Jing-Ke/E-7343-2013; Weng,
Jing-Ke/A-6900-2015
OI Weng, Jing-Ke/0000-0003-1079-3668; Weng, Jing-Ke/0000-0003-3059-0075
FU National Science Foundation [IOB-0450289]; Department of Energy Office
of Science [DE-AI02-06ER64299]; Department of Energy Great Lakes
Bioenergy Research Center (Department of Energy Office of Science) [BER
DE-FC02-07ER64494]
FX We thank J.A. Banks for providing S. moellendorffii plant materials, D.
Sherman for the technical assistance with the scanning electron
microscopy, F. Lu and R. Dixon for providing chemicals for enzyme
assays, and G.V. Louie and J.P. Noel for insightful discussion. This
work is supported by the National Science Foundation (Grant
IOB-0450289). Partial funding to J.R. was via the Department of Energy
Office of Science (Grant DE-AI02-06ER64299) and the Department of Energy
Great Lakes Bioenergy Research Center (Department of Energy Office of
Science BER DE-FC02-07ER64494).
NR 66
TC 24
Z9 26
U1 2
U2 29
PU AMER SOC PLANT BIOLOGISTS
PI ROCKVILLE
PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 USA
SN 1040-4651
J9 PLANT CELL
JI Plant Cell
PD JUL
PY 2011
VL 23
IS 7
BP 2708
EP 2724
DI 10.1105/tpc.110.081547
PG 17
WC Biochemistry & Molecular Biology; Plant Sciences; Cell Biology
SC Biochemistry & Molecular Biology; Plant Sciences; Cell Biology
GA 810XU
UT WOS:000294164300023
PM 21742988
ER
PT J
AU Burr, T
Hamada, MS
Cremers, T
Weaver, BP
Howell, J
Croft, S
Vardeman, SB
AF Burr, T.
Hamada, M. S.
Cremers, T.
Weaver, B. P.
Howell, J.
Croft, S.
Vardeman, S. B.
TI Measurement error models and variance estimation in the presence of
rounding error effects
SO ACCREDITATION AND QUALITY ASSURANCE
LA English
DT Article
DE Bayesian methods; Instrument resolution; Item-specific bias; Likelihood
ID INSTRUMENT RESOLUTION; UNCERTAINTY
AB An approach to estimating measurement error variances for any instrument having round-off effects that might also have instrument bias is presented. Recently finite instrument resolution effects on error variances have been studied, but negligible instrument bias was assumed and the contexts were different than considered here. Our intent is to use repeated measurements on several standards to estimate the instrument's random and systematic error variances. Recognizing that rounding impacts item bias and variance in a manner that depends on the true value, an approach is presented to estimate random error variance and instrument systematic error variance. The key finding is that item-specific bias can interfere with the estimation of overall instrument bias unless appropriate error modeling and associated inference steps are taken.
C1 [Burr, T.; Hamada, M. S.; Cremers, T.; Weaver, B. P.; Croft, S.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Howell, J.] Univ Glasgow, Dept Mech Engn, Glasgow G12 8QQ, Lanark, Scotland.
[Vardeman, S. B.] Iowa State Univ, Dept Stat, Ames, IA 50011 USA.
[Vardeman, S. B.] Iowa State Univ, Dept Ind & Mfg Syst Engn, Ames, IA 50011 USA.
RP Burr, T (reprint author), Los Alamos Natl Lab, POB 1663,MS F600, Los Alamos, NM 87545 USA.
EM tburr@lanl.gov
FU Next Generation Safeguards Initiative of the National Nuclear Security
Administration
FX This work was funded as part of the Next Generation Safeguards
Initiative of the National Nuclear Security Administration.
NR 22
TC 5
Z9 5
U1 0
U2 4
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0949-1775
J9 ACCREDIT QUAL ASSUR
JI Accredit. Qual. Assur.
PD JUL
PY 2011
VL 16
IS 7
BP 347
EP 359
DI 10.1007/s00769-011-0791-0
PG 13
WC Chemistry, Analytical; Instruments & Instrumentation
SC Chemistry; Instruments & Instrumentation
GA 799LG
UT WOS:000293287600002
ER
PT J
AU Chekanov, SV
AF Chekanov, S. V.
CA ATLAS Collaboration
TI PRECISION TESTS OF THE STANDARD MODEL USING THE ATLAS DETECTOR AT THE
LHC
SO ACTA PHYSICA POLONICA B
LA English
DT Article; Proceedings Paper
CT Cracow Epiphany Conference on the First Year of the LHC
CY JAN 10-12, 2011
CL Cracow, POLAND
SP H Niewodniczanski Inst Nucl Phys PAN, Jagiellonian Univ, Inst Phys, Polish Acad Arts & Sci, AGH Univ Sci & Technol
AB This article discusses the recent tests of the Standard Model using pp-collision events at root s = 7 TeV collected with the ATLAS detector at the Large Hadron Collider (LHC) during 2010 data taking period. The paper focuses on measurements of hard and soft sectors of quantum chromodynamics (QCD), a theory describing interactions of quarks and gluons.
C1 [Chekanov, S. V.; ATLAS Collaboration] Argonne Natl Lab, HEP Div, Argonne, IL 60439 USA.
RP Chekanov, SV (reprint author), Argonne Natl Lab, HEP Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 23
TC 0
Z9 0
U1 0
U2 3
PU JAGIELLONIAN UNIV PRESS
PI KRAKOW
PA UL MICHALOWSKIEGO 9-2, KRAKOW, 31126, POLAND
SN 0587-4254
EI 1509-5770
J9 ACTA PHYS POL B
JI Acta Phys. Pol. B
PD JUL
PY 2011
VL 42
IS 7
BP 1365
EP 1376
DI 10.5506/APhysPolB.42.1365
PG 12
WC Physics, Multidisciplinary
SC Physics
GA 808QO
UT WOS:000293993700004
ER
PT J
AU Evanoff, K
Magasinski, A
Yang, JB
Yushin, G
AF Evanoff, Kara
Magasinski, Alexandre
Yang, Junbing
Yushin, Gleb
TI Nanosilicon-Coated Graphene Granules as Anodes for Li-Ion Batteries
SO ADVANCED ENERGY MATERIALS
LA English
DT Article
ID LITHIUM INSERTION; COMPOSITE ANODES; CARBONACEOUS MATERIALS;
RAMAN-SPECTROSCOPY; SILICON; PERFORMANCE; STORAGE; ELECTRODES; GRAPHITE;
INSERTION/EXTRACTION
C1 [Evanoff, Kara; Magasinski, Alexandre; Yushin, Gleb] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
[Yang, Junbing] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Yushin, G (reprint author), Georgia Inst Technol, Sch Mat Sci & Engn, 771 Ferst Dr, Atlanta, GA 30332 USA.
EM yushin@gatech.edu
RI Yushin, Gleb/B-4529-2013
OI Yushin, Gleb/0000-0002-3274-9265
FU NASA [NNC08CB01C]
FX This work was partially supported by NASA via Contract No. NNC08CB01C.
We thank B. Hertzberg, I. Kovalenko, B. Zhdyrko, I. Luzinov, and T.
Fuller for helpful discussions.
NR 43
TC 153
Z9 156
U1 21
U2 171
PU WILEY PERIODICALS, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN STREET, MALDEN, MA 02148-529 USA
SN 1614-6832
J9 ADV ENERGY MATER
JI Adv. Energy Mater.
PD JUL
PY 2011
VL 1
IS 4
BP 495
EP 498
DI 10.1002/aenm.201100071
PG 4
WC Chemistry, Physical; Energy & Fuels; Materials Science,
Multidisciplinary; Physics, Applied; Physics, Condensed Matter
SC Chemistry; Energy & Fuels; Materials Science; Physics
GA 806HB
UT WOS:000293795800005
ER
PT J
AU Chen, HY
Hou, JH
Dayal, S
Huo, LJ
Kopidakis, N
Beard, MC
Luther, JM
AF Chen, Hsiang-Yu
Hou, Jianhui
Dayal, Smita
Huo, Lijun
Kopidakis, Nikos
Beard, Matthew C.
Luther, Joseph M.
TI A p-Type Quantum Dot/Organic Donor: Acceptor Solar-Cell Structure for
Extended Spectral Response
SO ADVANCED ENERGY MATERIALS
LA English
DT Article
ID RESOLVED TERAHERTZ SPECTROSCOPY; COLLOIDAL PBS NANOCRYSTALS; POLYMER
PHOTOVOLTAIC CELLS; CHARGE-CARRIER GENERATION; FIELD-EFFECT TRANSISTORS;
CDSE NANOPARTICLES; EFFICIENCY; FILMS; DOTS; POLY(3-HEXYLTHIOPHENE)
C1 [Chen, Hsiang-Yu; Dayal, Smita; Kopidakis, Nikos; Beard, Matthew C.; Luther, Joseph M.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Hou, Jianhui; Huo, Lijun] Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China.
RP Chen, HY (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM Hsiang.Yu.Chen@nrel.gov; Joey.Luther@nrel.gov
RI dayal, smita/F-2756-2011; huo, lijun/A-9367-2012; Hou, Jianhui
/E-5824-2011; Kopidakis, Nikos/N-4777-2015;
OI Hou, Jianhui /0000-0002-2105-6922; BEARD, MATTHEW/0000-0002-2711-1355
FU US DOE Office of Science; NREL; US Department of Energy, Office of
Science, Basic Energy Sciences, Division of Chemical Sciences,
Geosciences and Biosciences; [DE-AC36-08GO28308]
FX We thank Andrew Ferguson, Brian Gregg, Octavi Semonin, and Jianbo Gao
for helpful discussions. We thank Bobby To for SEM imaging. This work is
supported by the Center for Advanced Solar Photophysics an Energy
Frontier Research Center funded by US DOE Office of Science. H.Y.C.
acknowledges the NCPV seed fund program at NREL for funding.
Time-resolved microwave conductivity work was funded by the Solar
Photochemistry program of the US Department of Energy, Office of
Science, Basic Energy Sciences, Division of Chemical Sciences,
Geosciences and Biosciences. The DOE work was funded by Contract
DE-AC36-08GO28308 to NREL.
NR 45
TC 12
Z9 12
U1 2
U2 49
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 1614-6832
J9 ADV ENERGY MATER
JI Adv. Energy Mater.
PD JUL
PY 2011
VL 1
IS 4
BP 528
EP 533
DI 10.1002/aenm.201100190
PG 6
WC Chemistry, Physical; Energy & Fuels; Materials Science,
Multidisciplinary; Physics, Applied; Physics, Condensed Matter
SC Chemistry; Energy & Fuels; Materials Science; Physics
GA 806HB
UT WOS:000293795800011
ER
PT J
AU Hosoi, A
Yukawa, Y
Igarashi, S
Teat, SJ
Roubeau, O
Evangelisti, M
Cremades, E
Ruiz, E
Barrios, LA
Aromi, G
AF Hosoi, Ayako
Yukawa, Yasuhiko
Igarashi, Satoshi
Teat, Simon J.
Roubeau, Olivier
Evangelisti, Marco
Cremades, Eduard
Ruiz, Eliseo
Barrios, Leoni A.
Aromi, Guillem
TI A Molecular Pair of [GdNi3] Tetrahedra Bridged by Water Molecules
SO CHEMISTRY-A EUROPEAN JOURNAL
LA English
DT Article
DE amino acids; coordination chemistry; density functional calculations;
heterometallic complexes; lanthanides; magnetic properties
ID HIGH-FIELD EPR; MAGNETIC-PROPERTIES; STRUCTURAL CHARACTERIZATION;
LANTHANIDE COMPLEXES; HIGH-NUCLEARITY; AMINO-ACIDS; CLUSTERS; SERIES;
LIGANDS; LN
C1 [Hosoi, Ayako; Yukawa, Yasuhiko] Niigata Univ, Fac Sci, Dept Environm Sci, Nishi Ku, Niigata 9502181, Japan.
[Igarashi, Satoshi] Niigata Univ, Grad Sch Sci & Technol, Nishi Ku, Niigata 9502181, Japan.
[Teat, Simon J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Roubeau, Olivier; Evangelisti, Marco] Univ Zaragoza, Dept Fis Mat Condensada, CSIC, ICMA, E-50009 Zaragoza, Spain.
[Cremades, Eduard; Ruiz, Eliseo; Barrios, Leoni A.; Aromi, Guillem] Univ Barcelona, Dept Quim Inorgan, E-08028 Barcelona, Spain.
RP Yukawa, Y (reprint author), Niigata Univ, Fac Sci, Dept Environm Sci, Nishi Ku, 8050 Ikarashi Nino Cho, Niigata 9502181, Japan.
EM yukawa@env.sc.niigata-u.ac.jp; guillem.aromi@qi.ub.es
RI Ruiz, Eliseo/A-6268-2011; Cremades, Eduard/E-3412-2012; Evangelisti,
Marco/B-5878-2011; Aromi, Guillem/I-2483-2015; Roubeau,
Olivier/A-6839-2010; BARRIOS MORENO, LEONI ALEJANDRA/E-5413-2017
OI Ruiz, Eliseo/0000-0001-9097-8499; Evangelisti,
Marco/0000-0002-8028-9064; Aromi, Guillem/0000-0002-0997-9484; Roubeau,
Olivier/0000-0003-2095-5843; BARRIOS MORENO, LEONI
ALEJANDRA/0000-0001-7075-9950
FU Generalitat de Catalunya [2009SGR-1459]; Spanish MCI [CTQ2009-06959,
MAT2009-13977-C03, CTQ2008-06670-C02-01]; U.S. Department of Energy
[DE-AC02-05CH11231]
FX The authors thank the Generalitat de Catalunya for the prize ICREA
Academia 2008 (G. A.) and Grant 2009SGR-1459 (E. C. and E. R.) and
Spanish MCI through CTQ2009-06959 (G. A., L. B.), MAT2009-13977-C03 (M.
E.), and CTQ2008-06670-C02-01 (E. C., ER). Computer resources and
assistance were provided by the Barcelona Supercomputer Centre. The
advanced light source (S.J.T.) is supported by the U.S. Department of
Energy (DE-AC02-05CH11231).
NR 33
TC 42
Z9 43
U1 1
U2 22
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 0947-6539
J9 CHEM-EUR J
JI Chem.-Eur. J.
PD JUL
PY 2011
VL 17
IS 30
BP 8264
EP 8268
DI 10.1002/chem.201100769
PG 5
WC Chemistry, Multidisciplinary
SC Chemistry
GA 806UH
UT WOS:000293838300003
PM 21671297
ER
PT J
AU Melapudi, V
Shanker, B
Seal, S
Aluru, S
AF Melapudi, Vikram
Shanker, Balasubramaniam
Seal, Sudip
Aluru, Srinivas
TI A Scalable Parallel Wideband MLFMA for Efficient Electromagnetic
Simulations on Large Scale Clusters
SO IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
LA English
DT Article
DE Accelerated Cartesian expansion (ACE); Cartesian expansions; fast
multipole method (FMM); fast solvers; integral equation (IE); multipole
methods; parallel multilevel fast multipole algorithm (MLFMA);
scattering; self-similar tree; wideband MLFMA
ID FAST MULTIPOLE ALGORITHM; ACCELERATED CARTESIAN EXPANSIONS; N-BODY
SIMULATION; HELMHOLTZ-EQUATION; 3 DIMENSIONS; INTEGRAL-EQUATIONS; ERROR
ANALYSIS; SCATTERING; UNKNOWNS; FIELDS
AB The development of the multilevel fast multipole algorithm (MLFMA) and its multiscale variants have enabled the use of integral equation (IE) based solvers to compute scattering from complicated structures. Development of scalable parallel algorithms, to extend the reach of these solvers, has been a topic of intense research for about a decade. In this paper, we present a new algorithm for parallel implementation of IE solver that is augmented with a wideband MLFMA and scalable on large number of processors. The wideband MLFMA employed here, to handle multiscale problems, is a hybrid combination of the accelerated Cartesian expansion (ACE) and the classical MLFMA. The salient feature of the presented parallel algorithm is that it is implicitly load balanced and exhibits higher performance. This is achieved by developing a strategy to partition the MLFMA tree, and hence the associated computations, in a self-similar fashion among the parallel processors. As detailed in the paper, the algorithm employs both spatial and direction partitioning approaches in a flexible manner to ensure scalable performance. Plethora of results are presented here to exhibit the scalability of this algorithm on 512 and more processors.
C1 [Melapudi, Vikram; Shanker, Balasubramaniam] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA.
[Seal, Sudip] Oak Ridge Natl Lab, Modeling & Simulat Grp, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA.
[Aluru, Srinivas] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA.
RP Melapudi, V (reprint author), Ansys Inc, Ann Arbor, MI 48108 USA.
EM vikram.melapudi@gmail.com; sealsk@ornl.gov
FU National Science Foundation [CCF-0729157, DMS-0811197]
FX Manuscript received May 16, 2009; revised November 03, 2010; accepted
January 29, 2011. Date of publication May 12, 2011; date of current
version July 07, 2011. This work was supported by the National Science
Foundation under Grants CCF-0729157 and DMS-0811197.
NR 45
TC 19
Z9 19
U1 0
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-926X
EI 1558-2221
J9 IEEE T ANTENN PROPAG
JI IEEE Trans. Antennas Propag.
PD JUL
PY 2011
VL 59
IS 7
BP 2565
EP 2577
DI 10.1109/TAP.2011.2152311
PG 13
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA 801ME
UT WOS:000293442200015
ER
PT J
AU Lin, CR
Liao, WH
Wei, DH
Chang, CK
Fang, WC
Chen, CL
Dong, CL
Chen, JL
Guo, JH
AF Lin, Chii-Ruey
Liao, Wen-Hsiang
Wei, Da-Hua
Chang, Chien-Kuo
Fang, Wei-Chuan
Chen, Chi-Liang
Dong, Chung-Li
Chen, Jeng-Lung
Guo, Jing-Hua
TI Improvement on the synthesis technique of ultrananocrystalline diamond
films by using microwave plasma jet chemical vapor deposition
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article
DE Crystallites; Near-edge X-ray absorption fine structure spectrum
(NEXAFS); Chemical vapor deposition processes; Microwave plasma jet
chemical vapor deposition (MPJCVD); Diamond; Ultrananocrystalline
diamond (UNCD)
ID FIELD ELECTRON-EMISSION; THIN-FILMS; MICROSTRUCTURE; CARBON
AB In this paper, a particular class of smooth ultrananocrystalline diamond (UNCD) films synthesized by home-made microwave plasma jet chemical vapor deposition system (MPJCVD) with gas chemistry of Ar-MCH4-10%H-2 is presented. This synthesis by MPJCVD yields UNCD films identical to those UNCD films fabricated with Ar/CH4 chemistry by MPCVD, but using relatively low Ar introduction, low pressure, and low power due to the focused microwave plasma jet enhanced the dissociation of react gases to form energetic species during the deposition. The transition from microcrystalline to ultrananocrystalline diamond films grown from Ar/Ar+H-2 0% to 90% plasmas using MPJCVD has been systematically studied. The results of this study showed that the grain size, surface roughness, and sp(3) bonding carbon concentration in the films decreased with the increase in Ar concentration. The reason is due to the great increase in renucleation during the films growth. The TEM images clearly exhibited the grain size of the films (Ar/Ar+H-2: 90%) in the range of 3-8 nm. The near-edge X-ray absorption fine structure spectrum also exhibited the clear bonding characteristics of diamond. Moreover, the plasma precarbonization was employed by MPJCVD prior to UNCD films synthesis in order to markedly enhance the smoothness of UNCD films. The UNCD film was synthesized via unique MPJCVD-enhanced nucleation and growth, which produced films with high growth rate (315 nm/h), smooth surfaces (similar to 11.7 nm rms), and extremely fine-grained (3-8 nm) distribution in the whole film. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Lin, Chii-Ruey; Wei, Da-Hua] Natl Taipei Univ Technol, Dept Mech Engn, Taipei 106, Taiwan.
[Lin, Chii-Ruey; Wei, Da-Hua] Natl Taipei Univ Technol, Inst Mfg Technol, Taipei 106, Taiwan.
[Lin, Chii-Ruey; Liao, Wen-Hsiang; Wei, Da-Hua; Chang, Chien-Kuo] Natl Taipei Univ Technol, Grad Inst Mech & Elect Engn, Taipei 106, Taiwan.
[Fang, Wei-Chuan] Ind Technol Res Inst, Mat & Chem Res Labs, Hsinchu 300, Taiwan.
[Chen, Chi-Liang] Acad Sinica, Inst Phys, Taipei 115, Taiwan.
[Dong, Chung-Li] Natl Synchrotron Radiat Res Ctr, Hsinchu 300, Taiwan.
[Chen, Jeng-Lung; Guo, Jing-Hua] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Lin, CR (reprint author), Natl Taipei Univ Technol, Dept Mech Engn, Taipei 106, Taiwan.
EM crlin@ntut.edu.tw; dhwei@ntut.edu.tw
RI Chen, Chi Liang/F-4649-2012
FU National Science Council of R.O.C. [NSC 99-2221-E-027-086, NSC
99-2221-E-027-051]
FX This work was financially supported by the main research projects of the
National Science Council of R.O.C. under Grant nos. NSC
99-2221-E-027-086 and NSC 99-2221-E-027-051, respectively.
NR 25
TC 9
Z9 11
U1 1
U2 13
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
EI 1873-5002
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD JUL 1
PY 2011
VL 326
IS 1
BP 212
EP 217
DI 10.1016/j.jcrysgro.2011.01.100
PG 6
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA 802BH
UT WOS:000293483800048
ER
PT J
AU Akerblom, N
Cornelissen, G
Stavenga, G
van Holten, JW
AF Akerblom, N.
Cornelissen, G.
Stavenga, G.
van Holten, J. W.
TI Nonrelativistic Chern-Simons vortices on the torus
SO JOURNAL OF MATHEMATICAL PHYSICS
LA English
DT Article
ID EQUATION
AB A classification of all periodic self-dual static vortex solutions of the Jackiw-Pi model is given. Physically acceptable solutions of the Liouville equation are related to a class of functions, which we term Omega-quasi-elliptic. This class includes, in particular, the elliptic functions and also contains a function previously investigated by Olesen. Some examples of solutions are studied numerically and we point out a peculiar phenomenon of lost vortex charge in the limit where the period lengths tend to infinity, that is, in the planar limit. (C) 2011 American Institute of Physics. [doi:10.1063/1.3610643]
C1 [Akerblom, N.; van Holten, J. W.] Nikhef Theory Grp, Amsterdam, Netherlands.
[Cornelissen, G.] Univ Utrecht, Dept Math, NL-3508 TC Utrecht, Netherlands.
[Stavenga, G.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Akerblom, N (reprint author), Nikhef Theory Grp, Amsterdam, Netherlands.
EM nikolasa@nikhef.nl; g.cornelissen@uu.nl; stavenga@gmail.com;
t32@nikhef.nl
FU Dutch Foundation for Fundamental Research on Matter (FOM); US Department
of Energy [DE-AC02-07CH11359]
FX We are indebted to P. Horvathy for correspondence and comments and to C.
Hill, S. Moster, E. Plauschinn, and B. Schellekens for helpful
discussions. Two of us (N. Akerblom and J.-W. van Holten) have their
work supported by the Dutch Foundation for Fundamental Research on
Matter (FOM). N. A. also thanks the Max-Planck-Institute for Physics
(Munich) for hospitality during the final stage of this paper. Fermilab
is operated by Fermi Research Alliance, LLC under Contract No.
DE-AC02-07CH11359 with the US Department of Energy.
NR 30
TC 2
Z9 2
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 0022-2488
J9 J MATH PHYS
JI J. Math. Phys.
PD JUL
PY 2011
VL 52
IS 7
AR 072901
DI 10.1063/1.3610643
PG 17
WC Physics, Mathematical
SC Physics
GA 801ZB
UT WOS:000293478000013
ER
PT J
AU Danioux, E
Klein, P
Hecht, MW
Komori, N
Roullet, G
Le Gentil, S
AF Danioux, Eric
Klein, Patrice
Hecht, Matthew W.
Komori, Nobumasa
Roullet, Guillaume
Le Gentil, Sylvie
TI Emergence of Wind-Driven Near-Inertial Waves in the Deep Ocean Triggered
by Small-Scale Eddy Vorticity Structures
SO JOURNAL OF PHYSICAL OCEANOGRAPHY
LA English
DT Article
ID MESOSCALE EDDIES; ENERGY; PROPAGATION; TURBULENCE; STORM; FIELD; MODEL
AB Using numerical simulations forced by a uniform realistic wind time series, the authors show that the presence of a mesoscale eddy field at midlatitudes accelerates the vertical propagation of the wind-forced near-inertial waves (NIW) and produces the emergence of a maximum of vertical velocity into the deep ocean (around 2500 m) characterized by a mean amplitude of 25 m day(-1), a dominant 2f frequency, and scales as small as O(30 km). These results differ from previous studies that reported a smaller depth and larger scales. The authors show that the larger depth observed in the present study (2500 m instead of 1700 m) is due to the wind forcing duration that allows the first five baroclinic modes to disperse and to impact the deep NIW maximum (instead of the first two modes as reported before). The smaller scales (30 km instead of 90 km) are explained by a resonance mechanism (described in previous studies) that affects the high NIW baroclinic modes, but only when small-scale relative vorticity structures (related to the mesoscale eddy field) have an amplitude that is large enough. These results, which point out the importance of the wind forcing duration and the resolution, indicate that the emergence of a deep NIW maximum with a 2f frequency reported before is a robust feature that is enhanced with more realistic conditions. Such 2f frequency in the deep interior raises the question of the mechanisms, still unresolved, that may ultimately transfer this superinertial energy into mixing at these depths.
C1 [Danioux, Eric; Klein, Patrice; Roullet, Guillaume; Le Gentil, Sylvie] IFREMER, LPO, CNRS, UBO,IRD, F-29280 Plouzane, France.
[Hecht, Matthew W.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Komori, Nobumasa] JAMSTEC, Earth Simulator Ctr, Yokohama, Kanagawa, Japan.
RP Klein, P (reprint author), IFREMER, LPO, CNRS, UBO,IRD, BP 70, F-29280 Plouzane, France.
EM patrice.klein@ifremer.fr
RI Komori, Nobumasa/D-1989-2013; Roullet, Guillaume/L-3998-2015;
OI Komori, Nobumasa/0000-0001-6067-8356; Roullet,
Guillaume/0000-0002-7482-864X; Hecht, Matthew/0000-0003-0946-4007
FU IFREMER; CNRS (France); Agence Nationale pour la Recherche
[ANR-05-CIGC-010]; MEXT of Japan [19340130]
FX This work is supported by IFREMER, CNRS (France), and the Agence
Nationale pour la Recherche (Contract ANR-05-CIGC-010). Some of the
simulations reported here were done on the Earth Simulator (Yokohama,
Japan) through an MOU signed between IFREMER, CNRS, and JAMSTEC. PK
thanks Eric D'Asaro for stimulating us to report these results. NK is
partly supported by a Grant-in-Aid for Scientific Research (19340130)
from MEXT of Japan.
NR 25
TC 10
Z9 12
U1 1
U2 4
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0022-3670
J9 J PHYS OCEANOGR
JI J. Phys. Oceanogr.
PD JUL
PY 2011
VL 41
IS 7
BP 1297
EP 1307
DI 10.1175/2011JPO4537.1
PG 11
WC Oceanography
SC Oceanography
GA 802LP
UT WOS:000293513200002
ER
PT J
AU Liu, L
Lo, CF
Kang, TS
Ren, F
Pearton, SJ
Kravchenko, II
Laboutin, O
Cao, Y
Johnson, WJ
AF Liu, Lu
Lo, Chien-Fong
Kang, Tsung-Sheng
Ren, Fan
Pearton, S. J.
Kravchenko, I. I.
Laboutin, O.
Cao, Yu
Johnson, Wayne J.
TI Comparison of DC performance of Pt/Ti/Au- and Ni/Au-gated AlGaN/GaN high
electron mobility transistors
SO JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
LA English
DT Article
DE aluminium compounds; gallium compounds; gold; high electron mobility
transistors; III-V semiconductors; leakage currents; metallisation;
platinum; Schottky barriers; titanium; wide band gap semiconductors
ID THERMAL-STABILITY; CRITICAL VOLTAGE; HEMTS; GAN; RELIABILITY;
HETEROSTRUCTURES; DEGRADATION; MECHANISMS; CONTACTS; LENGTH
AB We have demonstrated significant improvements of AlGaN/GaN high electron mobility transistors (HEMTs) dc performance by employing Pt/Ti/Au instead of the conventional Ni/Au gate metallization. During off-state bias stressing, the typical critical voltage for HEMTs with Ni/Au gate metallization was similar to-45 to -65 V. By sharp contrast, no critical voltage was observed for HEMTs with Pt/Ti/Au gate metallization, even up to -100 V, which was the instrumental limitation in this experiment. After the off-state stressing, the drain current of Ni/Au gated-HEMTs decreased by similar to 15%. For the Pt-gate HEMTs, no degradation of the drain current occurred and there were minimal changes in the Schottky gate characteristics for both forward and reverse bias conditions. The HEMTs with Pt/Ti/Au metallization showed an excellent drain on/off current ratio of 1.56 x 10(8). The on/off drain current ratio of Ni-gated HEMTs was dependent on the drain bias voltage and ranged from 1.16 x 10(7) at V-DS=5 V and 6.29 x 10(5) V-DS = 40 V due to the larger gate leakage current at higher drain bias voltage. (C) 2011 American Vacuum Society. [DOI: 10.1116/1.3607601]
C1 [Liu, Lu; Lo, Chien-Fong; Kang, Tsung-Sheng; Ren, Fan] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
[Pearton, S. J.] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA.
[Kravchenko, I. I.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37830 USA.
[Laboutin, O.; Cao, Yu; Johnson, Wayne J.] Kopin Corp, Taunton, MA 02780 USA.
RP Liu, L (reprint author), Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
EM ren@che.ufl.edu
RI Cao, Yu/E-4990-2011; LIU, LU/H-2307-2013; Kravchenko, Ivan/K-3022-2015
OI LIU, LU/0000-0001-7256-3775; Kravchenko, Ivan/0000-0003-4999-5822
FU AFOSR MURI; Oak Ridge National Laboratory by the Office of Basic Energy
Sciences, U.S. Department of Energy
FX The work performed at UF is supported by an AFOSR MURI monitored by
Gregg Jessen and Kitt Reinhardt. A portion of this research was
conducted at the Center for nanophase Materials Sciences, which is
sponsored at Oak Ridge National Laboratory by the Office of Basic Energy
Sciences, U.S. Department of Energy.
NR 20
TC 2
Z9 2
U1 0
U2 9
PU A V S AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 1071-1023
J9 J VAC SCI TECHNOL B
JI J. Vac. Sci. Technol. B
PD JUL
PY 2011
VL 29
IS 4
AR 042202
DI 10.1116/1.3607601
PG 4
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Physics, Applied
SC Engineering; Science & Technology - Other Topics; Physics
GA 806YS
UT WOS:000293854800039
ER
PT J
AU Park, JY
Belau, L
Seo, H
Somorjai, GA
AF Park, Jeong Y.
Belau, Leonid
Seo, Hyungtak
Somorjai, Gabor A.
TI Improved oxidation resistance of Ru/Si capping layer for extreme
ultraviolet lithography reflector
SO JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
LA English
DT Article
DE atomic force microscopy; boron; carbon; durability; etching; oxidation;
plasma materials processing; reflectivity; ruthenium; scanning electron
microscopy; silicon; surface morphology; surface roughness; ultraviolet
lithography; X-ray photoelectron spectra
ID MASK BLANKS; RU FILMS; OZONE; RUTHENIUM; REMOVAL; SURFACE;
NANOPARTICLES; REDUCTION; OPTICS; PLASMA
AB The authors report on the chemical durability and oxidation resistance of Ru/Si, Ru/B, Ru/C, and Ru capping layers on the extreme ultraviolet (EUV) reflector surface. Surface etching and changes in the oxidation state were probed with x-ray photoelectron spectroscopy. The changes in surface morphology and roughness are characterized using scanning electron microscopy and atomic force microscopy. Out of four different capping layers, Ru/Si layers exhibited the least surface oxidation after oxygen plasma and UV/ozone treatment, indicating a superior oxidation resistance. The authors found that the reflectivity of the Ru/Si capped reflector is similar to that of a bare Ru capped reflector. This study suggests that a Ru/Si layer can be an excellent capping layer for the EUV reflector. (C) 2011 American Vacuum Society. [DOI: 10.1116/1.3596560]
C1 [Belau, Leonid; Seo, Hyungtak; Somorjai, Gabor A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Somorjai, Gabor A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Park, Jeong Y.] Korea Adv Inst Sci & Technol, Grad Sch EEWS WCU, Taejon 305701, South Korea.
[Park, Jeong Y.] Korea Adv Inst Sci & Technol, NanoCentury KI, Taejon 305701, South Korea.
RP Somorjai, GA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
EM somorjai@berkeley.edu
RI Park, Jeong Young/A-2999-2008
FU Intel Corp.; Office of Science, Office of Basic Energy Sciences of the
U.S. Department of Energy [DE-AC02-05CH11231]; WCU through the National
Research Foundation of Korea [R-31-2008-000-10055-0]
FX The authors acknowledge the contribution of Erik Gullikson (CXRO, LBNL)
for his help with reflectivity measurements, and valuable comments from
Ted Liang. This work was funded by Intel Corp. and supported by the
Director, Office of Science, Office of Basic Energy Sciences of the U.S.
Department of Energy under Contract No. DE-AC0-205CH11231; J.Y.P.
acknowledges the support by the WCU program through the National
Research Foundation of Korea (Grant No. R-31-2008-000-10055-0)
NR 26
TC 1
Z9 2
U1 2
U2 13
PU A V S AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 1071-1023
J9 J VAC SCI TECHNOL B
JI J. Vac. Sci. Technol. B
PD JUL
PY 2011
VL 29
IS 4
AR 041602
DI 10.1116/1.3596560
PG 5
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Physics, Applied
SC Engineering; Science & Technology - Other Topics; Physics
GA 806YS
UT WOS:000293854800021
ER
PT J
AU Roy, A
Craver, B
Ocola, LE
Wolfe, JC
AF Roy, Ananya
Craver, Barry
Ocola, Leonidas E.
Wolfe, John C.
TI Image noise in helium lithography
SO JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
LA English
DT Article
DE helium neutral atoms; Monte Carlo methods; noise; Poisson distribution;
proximity effect (lithography); resists
ID LINE-EDGE ROUGHNESS; ION-BEAM LITHOGRAPHY; SHOT-NOISE; PROXIMITY
LITHOGRAPHY; RESIST; MODEL; NANOLITHOGRAPHY; MICROSCOPE; PARAMETERS;
DIMENSION
AB A distinctive feature of resist exposure by energetic helium ions or neutral atoms is that critical exposure densities are very low, about 100 times smaller than for electrons. Thus, particle distributions are sparse, leading to significant statistical fluctuations in the deposited energy density even in polymethylmethacrylate (PMMA), a relatively insensitive, nonchemically amplified resist. The impact is first seen as roughness in the region of partial exposure on a feature's edge where the bunching of just a few particles may cause the energy density to shift above or below the resist development threshold. As feature size is reduced, however, fluctuations in the total number of particles (shot noise) become larger as a fraction of average dose, potentially causing over- and underexposure of the entire feature. This article presents an integrated study of image noise in helium lithography that compares shape variations in neutral particle mask images with the predictions of a Monte Carlo model. The model accounts for the following: (1) Poisson statistics of the particle emission process, (2) the variable spatial distribution of the particles within the aerial image, (3) the effect of scattering on the particle distribution at various depths in the resist, and (4) smoothing of the deposited energy distribution by exposure and development processes. Proximity lithography experiments were carried out using 10 keV neutral helium atoms in 20 nm thick PMMA resist under conditions of 12.7 nm [full width at half maximum (FWHM)] penumbral image blur. The energy smoothing function is assumed, based on previous experiments, to be Gaussian and its standard deviation sigma treated as a free parameter. Model predictions of the power spectral density of line edge roughness agree with experiment for sigma=5.0 perpendicular to 0.5 nm. The model predicts that using a resist with a critical dose 20 times higher than PMMA and reducing penumbra to 0.5 nm (FWHM), for example by reducing the proximity gap, would reduce shape fluctuations to less than 0.5 nm (FWHM) for dense 10 nm dot arrays. (C) 2011 American Vacuum Society. [DOI: 10.1116/1.3597835]
C1 [Roy, Ananya; Craver, Barry] Univ Houston, Dept Elect & Comp Engn, Nanosyst Mfg Ctr, Houston, TX 77204 USA.
[Ocola, Leonidas E.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Wolfe, John C.] Univ Houston, Dept Phys, Nanosyst Mfg Ctr, Houston, TX 77204 USA.
RP Roy, A (reprint author), CGGVeritas, 10300 Town Pk Dr, Houston, TX 77072 USA.
EM wolfe@uh.edu
OI Ocola, Leonidas/0000-0003-4990-1064
FU NSF [DMI-0521523, ECS-0404308]; Center for Nanoscale Materials at the
Argonne National Laboratory; Texas Center for Superconductivity at the
University of Houston; U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX Research supported by NSF Award Nos. DMI-0521523 and ECS-0404308, Center
for Nanoscale Materials at the Argonne National Laboratory, and the
Texas Center for Superconductivity at the University of Houston. Use of
the Center for Nanoscale Materials was supported by the U.S. Department
of Energy, Office of Science, Office of Basic Energy Sciences, under
Contract No. DE-AC02-06CH11357.
NR 28
TC 1
Z9 1
U1 3
U2 11
PU A V S AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 1071-1023
J9 J VAC SCI TECHNOL B
JI J. Vac. Sci. Technol. B
PD JUL
PY 2011
VL 29
IS 4
AR 041005
DI 10.1116/1.3597835
PG 10
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Physics, Applied
SC Engineering; Science & Technology - Other Topics; Physics
GA 806YS
UT WOS:000293854800009
ER
PT J
AU Kleiser, IKW
Poznanski, D
Kasen, D
Young, TR
Chornock, R
Filippenko, AV
Challis, P
Ganeshalingam, M
Kirshner, RP
Li, WD
Matheson, T
Nugent, PE
Silverman, JM
AF Kleiser, Io K. W.
Poznanski, Dovi
Kasen, Daniel
Young, Timothy R.
Chornock, Ryan
Filippenko, Alexei V.
Challis, Peter
Ganeshalingam, Mohan
Kirshner, Robert P.
Li, Weidong
Matheson, Thomas
Nugent, Peter E.
Silverman, Jeffrey M.
TI Peculiar Type II supernovae from blue supergiants
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE supernovae: general; supernovae: individual: SN 2000cb; supernovae:
individual: SN 1987A; supernovae: individual: SN 2005ci; supernovae:
individual: SN 1998A; supernovae: individual: SN 1999em
ID EXPANDING PHOTOSPHERE METHOD; CORE-COLLAPSE SUPERNOVAE; THEORETICAL
LIGHT-CURVE; P SUPERNOVAE; PLATEAU SUPERNOVAE; OBSERVATIONAL
CONSTRAINTS; UBVRI PHOTOMETRY; MAGELLANIC-CLOUD; IA SUPERNOVAE; MASSIVE
STARS
AB The vast majority of Type II supernovae (SNeII) are produced by red supergiants, but SN 1987A revealed that blue supergiants (BSGs) can produce members of this class as well, albeit with some peculiar properties. This best-studied event revolutionized our understanding of SNe and linking it to the bulk of Type II events is essential. We present here the optical photometry and spectroscopy gathered for SN 2000cb, which is clearly not a standard SNII and yet is not a SN 1987A analogue. The light curve of SN 2000cb is reminiscent of that of SN 1987A in shape, with a slow rise to a late optical peak, but on substantially different time-scales. Spectroscopically, SN 2000cb resembles a normal SNII, but with ejecta velocities that far exceed those measured for SN 1987A or normal SNeII, above 18 000 km s(-1) for H alpha at early times. The red colours, high velocities, late photometric peak and our modelling of this object all point towards a scenario involving the high-energy explosion of a small-radius star, most likely a BSG, producing 0.1 M-circle dot of Ni-56. Adding a similar object to the sample, SN 2005ci, we derive a rate of similar to 2 per cent of the core-collapse rate for this loosely defined class of BSG explosions.
C1 [Kleiser, Io K. W.; Poznanski, Dovi; Filippenko, Alexei V.; Ganeshalingam, Mohan; Li, Weidong; Silverman, Jeffrey M.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Poznanski, Dovi; Kasen, Daniel; Nugent, Peter E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Kasen, Daniel] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Young, Timothy R.] Univ N Dakota, Dept Phys & Astrophys, Grand Forks, ND 58202 USA.
[Chornock, Ryan; Challis, Peter; Kirshner, Robert P.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Matheson, Thomas] Natl Opt Astron Observ, Tucson, AZ 85719 USA.
RP Kleiser, IKW (reprint author), Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA.
EM io.kleiser@berkeley.edu; dovi@berkeley.edu
FU Einstein Fellowship; US Department of Energy [DE-FG02-06ER06-04]; NSF
[AST-0908886, AST-0907903]; TABASGO Foundation; Sun Microsystems, Inc.;
Hewlett-Packard Company; AutoScope Corporation; Lick Observatory;
University of California; Sylvia & Jim Katzman Foundation
FX We thank Eddie Baron, Luc Dessart, Dan Maoz and the referee (Stephen
Smartt) for useful discussions and comments on this manuscript; Mario
Hamuy and Andrea Pastorello for sharing their data; and the following
for assistance with observations: Zoltan Balog, Perry Berlind, Alison
Coil, Douglas Leonard, Maryam Modjaz and Mark Phillips. DP acknowledges
support from an Einstein Fellowship and from the US Department of Energy
Scientific Discovery through Advanced Computing (SciDAC) programme under
contract DE-FG02-06ER06-04. AVF's SN group at UC Berkeley is supported
by the NSF grant AST-0908886 and by the TABASGO Foundation. The SN
research at the Harvard College Observatory is supported by NSF grant
AST-0907903. The construction and ongoing operation of the KAIT were
made possible by donations from the Sun Microsystems, Inc.,
Hewlett-Packard Company, AutoScope Corporation, Lick Observatory, NSF,
University of California, Sylvia & Jim Katzman Foundation and TABASGO
Foundation. The Kast spectrograph at the Lick Observatory resulted from
a generous donation made by Bill and Marina Kast. We are grateful to the
dedicated staff at the Lick and F. L. Whipple Observatories.
NR 77
TC 32
Z9 32
U1 0
U2 3
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0035-8711
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD JUL
PY 2011
VL 415
IS 1
BP 372
EP 382
DI 10.1111/j.1365-2966.2011.18708.x
PG 11
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 805UR
UT WOS:000293755000049
ER
PT J
AU De Rosa, RJ
Bulger, J
Patience, J
Leland, B
Macintosh, B
Schneider, A
Song, I
Marois, C
Graham, JR
Bessell, M
Doyon, R
AF De Rosa, R. J.
Bulger, J.
Patience, J.
Leland, B.
Macintosh, B.
Schneider, A.
Song, I.
Marois, C.
Graham, J. R.
Bessell, M.
Doyon, R.
TI The Volume-limited A-Star (VAST) survey - I. Companions and the
unexpected X-ray detection of B6-A7 stars
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE techniques: high angular resolution; binaries: general; stars:
early-type; stars: imaging; X-rays: stars
ID LOW-MASS STARS; ADAPTIVE OPTICS SYSTEM; NEAR-INFRARED CAMERA; B-TYPE
STARS; OPEN CLUSTER; HYADES CLUSTER; BROWN DWARFS; EMISSION; PLEIADES;
ROSAT
AB With an adaptive optics imaging survey of 148 B6-A7 stars, we have tested the hypothesis that unresolved lower mass companions are the source of the unexpected X-ray detections of stars in this spectral type range. The sample is composed of 63 stars detected in X-rays within the ROSAT All Sky Survey and 85 stars that form a control sample; both subsets have the same restricted distribution of spectral type, age, X-ray sensitivity and separation coverage. A total of 68 companion candidates are resolved with separations ranging from 0.3 to 26.2 arcsec, with 23 new detections. The multiple star frequency of the X-ray sample based on companions resolved within the ROSAT error ellipse is found to be 43(-6)(+6) per cent. The corresponding control sample multiple star frequency is three times lower at 12(-3)(+4) per cent - a difference of 31 +/- 7 per cent. These results are presented in the first of a series of papers based on our Volume-limited A-Star (VAST) survey - a comprehensive study of the multiplicity of A-type stars.
C1 [De Rosa, R. J.; Bulger, J.; Patience, J.; Leland, B.] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England.
[Patience, J.; Macintosh, B.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Schneider, A.; Song, I.] Univ Georgia, Athens, GA 30602 USA.
[Marois, C.] NRC Herzberg Inst Astrophys, Victoria, BC V9E 2E7, Canada.
[Graham, J. R.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Graham, J. R.] Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M55 3H8, Canada.
[Bessell, M.] Australian Natl Univ, Inst Adv Studies, Mt Stromlo & Siding Spring Observ, Weston, ACT 2611, Australia.
[Doyon, R.] Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, Canada.
RP De Rosa, RJ (reprint author), Univ Exeter, Sch Phys, Stocker Rd, Exeter EX4 4QL, Devon, England.
EM derosa@astro.ex.ac.uk
FU Science and Technology Facilities Council (STFC) [ST/F 007124/1,
ST/F003277/1]; Air Force Office of Scientific Research (AFOSR) for the
AEOS; EC Research Training Network; US Department of Energy by Lawrence
Livermore National Laboratory [W-7405-Eng-48, DE-AC52-07NA27344];
National Science Foundation (NSF) [AST 98-76783]; JRG; University of
California [09-LR-118057-GRAJ]; NSF [AST-0909188]; National Aeronautics
and Space Administration
FX We gratefully acknowledge several sources of funding. RJDR and JB (ST/F
007124/1) are funded through studentships from the Science and
Technology Facilities Council (STFC). This work was initiated with a
grant awarded to JP from the Air Force Office of Scientific Research
(AFOSR) for the AEOS component and completed with a grant from the STFC
(ST/F003277/1). Funding for collaborative visits was provided by the
CONSTELLATION EC Research Training Network. Portions of this work were
performed 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, and also supported in part by
the National Science Foundation (NSF) Science and Technology CfAO,
managed by the UC Santa Cruz under cooperative agreement AST 98-76783.
This work was supported, through JRG, in part by University of
California Lab Research Programme 09-LR-118057-GRAJ and NSF grant
AST-0909188. We thank LLNL summer students C. White (US Air Force
Academy) and S. Kost (Carnegie Mellon University) who assisted with
obtaining a subset of the data and some of the early analysis. This
research has made use of the SIMBAD and VizieR databases, operated at
CDS, Strasbourg, France. 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 the National
Aeronautics and Space Administration and the NSF. This research has made
use of the Washington Double Star Catalogue maintained at the US Naval
Observatory. We thank the referee for the helpful comments during the
review process.
NR 59
TC 24
Z9 24
U1 1
U2 1
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0035-8711
EI 1365-2966
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD JUL
PY 2011
VL 415
IS 1
BP 854
EP 866
DI 10.1111/j.1365-2966.2011.18765.x
PG 13
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 805UR
UT WOS:000293755000088
ER
PT J
AU Poznanski, D
Ganeshalingam, M
Silverman, JM
Filippenko, AV
AF Poznanski, Dovi
Ganeshalingam, Mohan
Silverman, Jeffrey M.
Filippenko, Alexei V.
TI Low-resolution sodium D absorption is a bad proxy for extinction
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE supernovae: general; dust, extinction; galaxies: ISM
ID BVRI LIGHT CURVES; OBSERVATORY SUPERNOVA SEARCH; TO-GAS RATIO; IA
SUPERNOVAE; IMPROVED DISTANCES; NA-I; DUST; PHOTOMETRY; TELESCOPE;
CONSTANT
AB Dust extinction is generally the least tractable systematic uncertainty in astronomy, and particularly in supernova science. Often in the past, studies have used the equivalent width of NaID absorption measured from low-resolution spectra as proxies for extinction, based on tentative correlations that were drawn from limited data sets. We show here, based on 443 low-resolution spectra of 172 Type Ia supernovae for which we have measured the dust extinction as well as the equivalent width of NaID, that the two barely correlate. We briefly examine the causes for this large scatter that effectively prevents one from inferring extinction using this method.
C1 [Poznanski, Dovi] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Poznanski, Dovi; Ganeshalingam, Mohan; Silverman, Jeffrey M.; Filippenko, Alexei V.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
RP Poznanski, D (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM dovi@berkeley.edu
FU NASA; US National Science Foundation (NSF) [AST-0607485, AST-0908886];
TABASGO Foundation; US Department of Energy SciDAC [DE-FC02-06ER41453];
US Department of Energy [DE-FG02-08ER41563]
FX We thank A. A. Miller, J. S. Bloom and P. E. Nugent for useful comments
on this manuscript. DP is supported by an Einstein Fellowship from NASA.
The research of AVF's supernova group at UC Berkeley has been generously
supported by the US National Science Foundation (NSF; most recently
through grants 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. Some of
the data presented herein were obtained at the W. M. Keck Observatory,
which is operated as a scientific partnership among the California
Institute of Technology, the University of California and NASA; the
observatory was made possible by the generous financial support of the
W. M. Keck Foundation. We thank the staffs of the Lick and Keck
Observatories for their assistance with the observations.
NR 37
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U1 0
U2 1
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0035-8711
EI 1365-2966
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD JUL
PY 2011
VL 415
IS 1
BP L81
EP L84
DI 10.1111/j.1745-3933.2011.01084.x
PG 4
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 805UR
UT WOS:000293755000018
ER
PT J
AU Beresh, SJ
Henfling, JF
Spillers, RW
Pruett, BOM
AF Beresh, Steven J.
Henfling, John F.
Spillers, Russell W.
Pruett, Brian O. M.
TI Fluctuating wall pressures measured beneath a supersonic turbulent
boundary layer
SO PHYSICS OF FLUIDS
LA English
DT Article
DE boundary layer turbulence; flow measurement; flow sensors; fluctuations;
Mach number; pressure measurement; pressure transducers; supersonic
flow; vibrations; wind tunnels
ID SHOCK-WAVE STRUCTURE; HIGH-REYNOLDS-NUMBER; RESOLUTION; FIELD; FLOW;
UNSTEADINESS
AB Wind tunnel experiments up to Mach 3 have provided fluctuating wall-pressure spectra beneath a supersonic turbulent boundary layer to frequencies reaching 400 kHz by combining data from piezoresistive silicon pressure transducers effective at low- and mid-range frequencies and piezoelectric quartz sensors to detect high frequency events. Data were corrected for spatial attenuation at high frequencies and for wind-tunnel noise and vibration at low frequencies. The resulting power spectra revealed the omega(-1) dependence for fluctuations within the logarithmic region of the boundary layer but are essentially flat at low frequency and do not exhibit the theorized omega(2) dependence. When normalized by outer flow variables, a slight dependence upon the Reynolds number is detected, but Mach number is the dominant parameter. Normalization by inner flow variables is largely successful for the omega(-1) region but does not apply for lower frequencies. A comparison of the pressure fluctuation intensities with 50 years of historical data shows their reported magnitude chiefly is a function of the frequency response of the sensors. The present corrected data yield results in excess of the bulk of the historical data, but uncorrected data are consistent with lower magnitudes, suggesting that much of the historical compressible database may be biased low. (C) 2011 American Institute of Physics. [doi:10.1063/1.3609271]
C1 [Beresh, Steven J.; Henfling, John F.; Spillers, Russell W.; Pruett, Brian O. M.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Beresh, SJ (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
FU Sandia National Laboratories; United States Department of Energy; United
States Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX The authors would like to thank Ryan Bond, Larry DeChant, Rich Field,
Keith Miller, Jeff Payne, Jerry Rouse, and Justin Smith for numerous
invaluable conversations regarding the physics of pressure fluctuations
relevant to re-entry vehicles. The compilation of the historical
database was begun by Fred Blottner, now retired from Sandia, and the
authors are grateful for his contribution. Tom Grasser designed much of
the mounting hardware for the pressure sensors. This work is supported
by Sandia National Laboratories and the United States Department of
Energy. 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 68
TC 15
Z9 15
U1 0
U2 7
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 JUL
PY 2011
VL 23
IS 7
AR 075110
DI 10.1063/1.3609271
PG 16
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 801ZD
UT WOS:000293478200038
ER
PT J
AU Gowardhan, AA
Ristorcelli, JR
Grinstein, FF
AF Gowardhan, Akshay A.
Ristorcelli, J. Ray
Grinstein, Fernando F.
TI The bipolar behavior of the Richtmyer-Meshkov instability
SO PHYSICS OF FLUIDS
LA English
DT Article
ID INITIAL CONDITIONS
AB A numerical study of the evolution of the multimode planar Richtmyer-Meshkov instability (RMI) in a light-heavy (air-SF6, Atwood number A = 0.67) configuration involving a Mach number Ma = 1.5 shock is carried out. Our results demonstrate that the initial material interface morphology controls the evolution characteristics of RMI (for fixed A, Ma), and provide a significant basis to develop metrics for transition to turbulence. Depending on initial rms slope of the interface, RMI evolves into linear or nonlinear regimes, with distinctly different flow features and growth rates, turbulence statistics, and material mixing rates. We have called this the bipolar behavior of RMI. Some of our findings are not consistent with heuristic notions of mixing in equilibrium turbulence: more turbulent flow-as measured by spectral bandwidth, can be associated with higher material mixing but, paradoxically, to lower integral measures of turbulent kinetic energy and mixing layer width. (C) 2011 American Institute of Physics. [doi:10.1063/1.3610959]
C1 [Gowardhan, Akshay A.; Grinstein, Fernando F.] Los Alamos Natl Lab, XCP 4, Los Alamos, NM 87545 USA.
[Ristorcelli, J. Ray] Los Alamos Natl Lab, CCS 2, Los Alamos, NM 87545 USA.
RP Gowardhan, AA (reprint author), Los Alamos Natl Lab, XCP 4, MS F644, Los Alamos, NM 87545 USA.
FU DOE NNSA [DE-AC52-06NA25396]; LANL [20090058DR]
FX Los Alamos National Laboratory (LANL) is operated by LANS, LLC for DOE
NNSA under Contract No. DE-AC52-06NA25396. This work was made possible
by funding from the LANL LDRD Program on "Turbulence by Design" through
directed research project 20090058DR.
NR 14
TC 23
Z9 23
U1 0
U2 4
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 JUL
PY 2011
VL 23
IS 7
AR 071701
DI 10.1063/1.3610959
PG 4
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 801ZD
UT WOS:000293478200001
ER
PT J
AU Awe, TJ
Adams, CS
Davis, JS
Hanna, DS
Hsu, SC
Cassibry, JT
AF Awe, T. J.
Adams, C. S.
Davis, J. S.
Hanna, D. S.
Hsu, S. C.
Cassibry, J. T.
TI One-dimensional radiation-hydrodynamic scaling studies of imploding
spherical plasma liners
SO PHYSICS OF PLASMAS
LA English
DT Article
ID INERTIAL CONFINEMENT FUSION; TARGETS
AB One-dimensional radiation-hydrodynamic simulations are performed to develop insight into the scaling of stagnation pressure with initial conditions of an imploding spherical plasma shell or "liner." Simulations reveal the evolution of high-Mach-number (M), annular, spherical plasma flows during convergence, stagnation, shock formation, and disassembly, and indicate that cm-and mu s-scale plasmas with peak pressures near 1 Mbar can be generated by liners with initial kinetic energy of several hundred kilo-joules. It is shown that radiation transport and thermal conduction must be included to avoid non-physical plasma temperatures at the origin which artificially limit liner convergence and, thus, the peak stagnation pressure. Scalings of the stagnated plasma lifetime (tau(stag)) and average stagnation pressure (P(stag), the pressure at the origin, averaged over tau(stag)) are determined by evaluating a wide range of liner initial conditions. For high-M flows, tau(stag) similar to Delta R/v(0), where Delta R and v(0) are the initial liner thickness and velocity, respectively. Furthermore, for argon liners, P(stag) scales approximately as v(0)(15/4) over a wide range of initial densities (n(0)) and as n(0)(1/2) over a wide range of v(0). The approximate scaling P(stag) similar to M(3/2) is also found for a wide range of liner-plasma initial conditions. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3610374]
C1 [Awe, T. J.; Adams, C. S.; Davis, J. S.; Hanna, D. S.; Hsu, S. C.] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA.
[Cassibry, J. T.] Univ Alabama, Prop Res Ctr, Huntsville, AL 35899 USA.
RP Awe, TJ (reprint author), Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA.
EM awetj@lanl.gov
OI Hsu, Scott/0000-0002-6737-4934
FU Office of Fusion Energy Sciences of the U.S. Department of Energy
[DE-AC52-06NA25396]; National Undergraduate Fellowship in Plasma Physics
and Fusion Energy Sciences
FX For assistance with RAVEN simulations, we thank W. Atchison, A. Kaul,
and C. Rousculp. For assistance with HELIOS simulations, we thank J.
MacFarlane and Prism Computational Sciences, Inc. Finally, we thank B.
Bauer, G. Kagan, M. Stanic, X. Tang, Y. C. F. Thio, and F. D.
Witherspoon for many useful conversations. This work was supported by
the Office of Fusion Energy Sciences of the U.S. Department of Energy
under contract No. DE-AC52-06NA25396 and a National Undergraduate
Fellowship in Plasma Physics and Fusion Energy Sciences (JSD).
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PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 072705
DI 10.1063/1.3610374
PG 11
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500032
ER
PT J
AU Berkery, JW
Betti, R
Sabbagh, SA
AF Berkery, J. W.
Betti, R.
Sabbagh, S. A.
TI Investigation of multiple roots of the resistive wall mode dispersion
relation, including kinetic effects
SO PHYSICS OF PLASMAS
LA English
DT Article
ID HIGH-BETA PLASMAS; TOKAMAKS; STABILIZATION; DISSIPATION; PHYSICS; NSTX
AB The resistive wall mode instability in tokamak plasmas has a complex frequency which can be determined by a dispersion relation that is cubic, in general, leading to three distinct roots. A simplified model of the dispersion relation, including kinetic effects, is presented and used to explore the behavior of these roots. By changing the plasma rotation frequency, it is shown that one root has a slow mode rotation frequency (less than the inverse wall time) while the other two rotate more quickly, one leading and one lagging the plasma rotation frequency. When realistic experimental parameters from the National Spherical Torus Experiment [M. Ono et al., Nucl. Fusion 40, 557 (2000)] are used, however, only one slow rotating, near-marginal stability root is found, consistent with present experiments and more detailed calculations with the MISK code [B. Hu et al., Phys. Plasmas 12, 057301 (2005)]. Electron collisionality acts to stabilize one of the rotating roots, while ion collisionality can stabilize the other. In devices with low rotation and low collisionality, these two rotating roots may manifest themselves, but they are likely to remain stable. (C) 2011 American Institute of Physics. [doi:10.1063/1.3604948]
C1 [Berkery, J. W.; Sabbagh, S. A.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
[Betti, R.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Berkery, JW (reprint author), Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
FU U.S. Department of Energy [DE-FG02-99ER54524, DE-AC02-09CH11466,
DE-FG02-93ER54215]
FX The authors would like to acknowledge R. E. Bell and B. P. LeBlanc for
diagnostic contributions to the experimental profiles in Fig. 1.
Supported by the U.S. Department of Energy under Contract Nos.
DE-FG02-99ER54524, DE-AC02-09CH11466, and DE-FG02-93ER54215.
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PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 072501
DI 10.1063/1.3604948
PG 8
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500022
ER
PT J
AU Chen, M
Kumar, N
Pukhov, A
Yu, TP
AF Chen, Min
Kumar, Naveen
Pukhov, Alexander
Yu, Tong-Pu
TI Stabilized radiation pressure dominated ion acceleration from surface
modulated thin-foil targets
SO PHYSICS OF PLASMAS
LA English
DT Article
ID RAYLEIGH-TAYLOR INSTABILITY; INERTIAL CONFINEMENT FUSION; ABLATION
FRONTS; PROTON-BEAMS; LASER; PLASMA; DRIVEN; FLAMES
AB The Rayleigh-Taylor instability in the radiation pressure dominated regime of ion acceleration is studied by means of multidimensional particle-in-cell simulations. It is shown that the growth of the long wavelength mode of the instability can be reduced by transverse diffusion of ions coming from the initial subwavelength modulations on the target front surface. Reduction in the growth of the instability keeps the target structure uniform along the transverse direction and opaque to the laser pulse for a longer duration, improving both the final peak energy and the spectral quality of the ions. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3606562]
C1 [Chen, Min; Kumar, Naveen; Pukhov, Alexander; Yu, Tong-Pu] Univ Dusseldorf, Inst Theoret Phys 1, D-40225 Dusseldorf, Germany.
[Chen, Min] Univ Calif Berkeley, Lawrence Berkeley Lab, LOASIS Program, Berkeley, CA 94720 USA.
[Yu, Tong-Pu] Natl Univ Def Technol, Dept Phys, Changsha 410073, Hunan, Peoples R China.
RP Chen, M (reprint author), Univ Dusseldorf, Inst Theoret Phys 1, D-40225 Dusseldorf, Germany.
EM MinChen@lbl.gov; kumar@tp1.uni-duesseldorf.de
RI Yu, Tong-Pu/A-2360-2011; Kumar, Naveen/E-6017-2012; Chen,
Min/A-9955-2010; pukhov, alexander/C-8082-2016
OI Chen, Min/0000-0002-4290-9330;
FU DFG [TR-18]; Department of Energy, Office of Science, Office of High
Energy Physics [DE-AC02-05CH11231]; Alexander von Humboldt Foundation
FX This work is supported by the DFG through TR-18 project and in parts by
the Department of Energy, Office of Science, Office of High Energy
Physics under contract No. DE-AC02-05CH11231 for utilizing the
computational resources of NERSC. MC also acknowledges support by the
Alexander von Humboldt Foundation and helpful discussions with S. V.
Bulanov at JAEA and S. S. Bulanov, C. G. R. Geddes, C. B. Schroeder, E.
Esarey at LBNL.
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PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 073106
DI 10.1063/1.3606562
PG 4
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500041
ER
PT J
AU Girard, F
Primout, M
Villette, B
Stemmler, P
Jacquet, L
Babonneau, D
Fournier, KB
AF Girard, F.
Primout, M.
Villette, B.
Stemmler, Ph.
Jacquet, L.
Babonneau, D.
Fournier, K. B.
TI Titanium and germanium lined hohlraums and halfraums as multi-keV x-ray
radiators (vol 16, 052704, 2009)
SO PHYSICS OF PLASMAS
LA English
DT Correction
C1 [Girard, F.; Primout, M.; Villette, B.; Stemmler, Ph.; Jacquet, L.] CEA, DAM, DIF, F-91297 Arpajon, France.
[Fournier, K. B.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Girard, F (reprint author), CEA, DAM, DIF, F-91297 Arpajon, France.
NR 2
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PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 079901
DI 10.1063/1.3600532
PG 1
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500063
ER
PT J
AU Kyrala, GA
Seifter, A
Kline, JL
Goldman, SR
Batha, SH
Hoffman, NM
AF Kyrala, G. A.
Seifter, A.
Kline, J. L.
Goldman, S. R.
Batha, S. H.
Hoffman, N. M.
TI Tuning indirect-drive implosions using cone power balance
SO PHYSICS OF PLASMAS
LA English
DT Article
ID MULTIPLE-BEAM CONES; SYMMETRY EXPERIMENTS; LASER SYSTEM; OMEGA; NOVA;
PERFORMANCE; HOHLRAUMS; FACILITY; TARGETS
AB We demonstrate indirect-drive implosion symmetry tuning in a vacuum hohlraum 6.6 mm in length and 3.56 mm in diameter with a CH capsule 6.38 mu m in thickness and 1414 mu m in diameter, scaled roughly 0.7 X from a National ignition facility (NIF) [E. Moses and C. R. Wuest, Fusion Sci. Technol. 47, 314 (2005)] The hohlraums have radiation drives of 117 +/- 4 eV relevant to conditions for the first similar to 1 ns of ignition experiments. By varying the relative ratio of the energy between inner and outer beam cones illuminating the hohlraum at OMEGA [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)]. the shape of the x-ray self-emission, and hence the shape of the emitting object, can be tuned from prolate to oblate. The second-order Legendre coefficient, used to characterize the shape, changes from a negative to a positive value at the time of peak x-ray emission during the implosion through the variation of the cone power balance. With the appropriate selection of the cone power balance, the implosion can be tuned to produce a spherical implosion. Using capsules with thicker walls, this technique can be extended to measure the drive symmetry at later times as the length of the drive pulse is increased [N. M. Hoffman et al., J. Phys.: Conf. Ser. 112, 022075 (2008); N. M. Hoffman et al., Phys. Plasmas 3, 2022 (1996)]. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3598179]
C1 [Kyrala, G. A.; Seifter, A.; Kline, J. L.; Goldman, S. R.; Batha, S. H.; Hoffman, N. M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kyrala, GA (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
OI Kline, John/0000-0002-2271-9919
FU DOE [DE-AC52-06NA25396]
FX For this work, we acknowledge the contributions of our colleagues at
General Atomics in fabricating the shells, the contributions of the
target fabrication group at Los Alamos National Laboratory for building
and characterizing the targets, the helpful discussions with our
colleagues at Laboratory for Laser Energetics that facilitated laser
alignment, the discussions with colleagues at Lawrence Livermore
National Laboratory concerning symmetry tuning techniques, and our
technicians at Los Alamos National Laboratory without whose efforts this
work would have been much more difficult. The work was supported by DOE
Contract No. DE-AC52-06NA25396 to Los Alamos National Laboratory
operated by the Los Alamos National Security, LLC.
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PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 072703
DI 10.1063/1.3598179
PG 6
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500030
ER
PT J
AU Liu, J
Qin, H
AF Liu, Jian
Qin, Hong
TI Geometric phase of the gyromotion for charged particles in a
time-dependent magnetic field
SO PHYSICS OF PLASMAS
LA English
DT Article
ID GYROKINETIC THEORY; ADIABATIC ANGLES; BERRY PHASE; HOLONOMY; QUANTUM
AB We study the dynamics of the gyrophase of a charged particle in a magnetic field which is uniform in space but changes slowly with time. As the magnetic field evolves slowly with time, the changing of the gyrophase is composed of two parts. The first part is the dynamical phase, which is the time integral of the instantaneous gyrofrequency. The second part, called geometric gyrophase, is more interesting, and it is an example of the geometric phase which has found many important applications in different branches of physics. If the magnetic field returns to the initial value after a loop in the parameter space, then the geometric gyrophase equals the solid angle spanned by the loop in the parameter space. This classical geometric gyrophase is compared with the geometric phase (the Berry phase) of the spin wave function of an electron placed in the same adiabatically changing magnetic field. Even though gyromotion is not the classical counterpart of the quantum spin, the similarities between the geometric phases of the two cases nevertheless reveal the similar geometric nature of the different physics laws governing these two physics phenomena. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3609830]
C1 [Liu, Jian] Peking Univ, State Key Lab Nucl Phys & Technol, Sch Phys, Beijing 100871, Peoples R China.
[Qin, Hong] Princeton Univ, Plasma Phys Lab, Princeton, NJ 08543 USA.
[Qin, Hong] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China.
RP Liu, J (reprint author), Peking Univ, State Key Lab Nucl Phys & Technol, Sch Phys, Beijing 100871, Peoples R China.
RI Liu, Jian/E-5857-2010
FU China Scholarship Council [2009601134]; U.S. Department of Energy
[DE-AC02-09CH11466]; ITER-China [2010GB107001]; National Natural Science
Foundation of China [NSFC-11075162]
FX This research is supported by the China Scholarship Council
(2009601134), the U.S. Department of Energy (DE-AC02-09CH11466),
ITER-China Program (2010GB107001), and the National Natural Science
Foundation of China (NSFC-11075162). Jian Liu thanks the Theory
Department of Princeton Plasma Physics Laboratory for the hospitality
during his visit.
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PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 1070-664X
EI 1089-7674
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 072505
DI 10.1063/1.3609830
PG 7
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500026
ER
PT J
AU Muller, SH
Boedo, JA
Burrell, KH
deGrassie, JS
Moyer, RA
Rudakov, DL
Solomon, WM
Tynan, GR
AF Mueller, S. H.
Boedo, J. A.
Burrell, K. H.
deGrassie, J. S.
Moyer, R. A.
Rudakov, D. L.
Solomon, W. M.
Tynan, G. R.
TI Intrinsic rotation generation in ELM-free H-mode plasmas in the DIII-D
tokamak-Experimental observations
SO PHYSICS OF PLASMAS
LA English
DT Article
ID MOMENTUM INPUT; TCV TOKAMAK; CONFINEMENT; TURBULENCE; TRANSPORT; FLOW;
TRANSITION; THRESHOLD; PARADIGM; LANGMUIR
AB A detailed description is presented of the experiment reported in [S. H. Muller et al., Phys. Rev. Lett. 106, 115001 (2011)], which reported the first measurements of fluid turbulent stresses in a tokamak H-mode pedestal. Mach probe measurements disclosed a narrow co-current rotation layer at the separatrix, which is also seen in some L-modes [J. A. Boedo et al., Phys. Plasmas 18, 032510 (2011)]. Independent evidence for the existence of the edge co-rotation layer is presented from main-ion rotation measurements by charge-exchange-recombination spectroscopy in comparable helium plasmas. The probe measurements are validated against density and electron temperature profiles from Thomson scattering and in terms of the measured turbulent particle transport, which is consistent with the global density rise. Non-diffusive non-convective angular momentum transport is required by two independent experimental observations: (1) A persistent dip in the rotation profile separates the edge layer from the evolving core region during intrinsic rotation development. (2) The rotation profiles with co- and counter-current neutral beam injection appear well described as the simple sum of a constant intrinsic part and the beam-driven part, also demonstrating the profile-independence of the intrinsic torque. Characteristics of the turbulent fluctuations composing the fluid turbulent stresses are discussed: Up to 0.5 cm inside the separatrix, the low amplitude of the Reynolds stress (<0.05 Nm of torque) is due to both a reduction of the fluctuation amplitudes at the peak of the edge co-rotation layer and weak correlations between the toroidal and radial velocity fluctuations. Further into the core, the correlations increase significantly up to a value of +0.75, resulting in an almost unidirectional character of the turbulent Reynolds stress, generating substantial counter-current torques up to -2 Nm. Additional mechanisms must be present to balance these torques and explain the co-current core-plasma spin-up at a rate of +0.3 Nm. (C) 2011 American Institute of Physics. [doi:10.1063/1.3605041]
C1 [Mueller, S. H.; Boedo, J. A.; Moyer, R. A.; Rudakov, D. L.; Tynan, G. R.] Univ Calif San Diego, Energy Res Ctr, La Jolla, CA 92093 USA.
[Mueller, S. H.; Tynan, G. R.] Univ Calif San Diego, Ctr Momentum Transport & Flow Org, La Jolla, CA 92093 USA.
[Burrell, K. H.; deGrassie, J. S.] Gen Atom Co, San Diego, CA 92186 USA.
[Solomon, W. M.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Muller, SH (reprint author), Univ Calif San Diego, Energy Res Ctr, 9500 Gilman Dr, La Jolla, CA 92093 USA.
OI Solomon, Wayne/0000-0002-0902-9876
FU US Department of Energy [DE-FG02-07ER54917, DE-FC02-04ER54698,
DE-AC02-09CH11466]
FX This work was supported by the US Department of Energy under
DE-FG02-07ER54917, DE-FC02-04ER54698, and DE-AC02-09CH11466. Many
valuable contributions from P. H. Diamond, P. Gohil, I. H. Hutchinson,
C. C. Petty, H. Reimerdes, J. G. Watkins, and J. H. Yu are gratefully
acknowledged.
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PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 1070-664X
EI 1089-7674
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 072504
DI 10.1063/1.3605041
PG 13
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500025
ER
PT J
AU Sheehan, JP
Raitses, Y
Hershkowitz, N
Kaganovich, I
Fisch, NJ
AF Sheehan, J. P.
Raitses, Y.
Hershkowitz, N.
Kaganovich, I.
Fisch, N. J.
TI A comparison of emissive probe techniques for electric potential
measurements in a complex plasma
SO PHYSICS OF PLASMAS
LA English
DT Article
ID CHARGE LIMITED EMISSION; LOW-TEMPERATURE PLASMA; FAST TIME EVOLUTIONS;
HALL THRUSTERS; SPACE-CHARGE; ELECTROSTATIC-PROBE; VELOCITY
DISTRIBUTION; SHEATH; SECONDARY; LANGMUIR
AB The major emissive probe techniques are compared to better understand the floating potential of an electron emitting surface in a plasma. An overview of the separation point technique, floating point technique, and inflection point in the limit of zero emission technique is given, addressing how each method works as well as the theoretical basis and limitations of each. It is shown that while the floating point method is the most popular, it is expected to yield a value similar to 1.5T(e)/e below the plasma potential due to a virtual cathode forming around the probe. The theoretical predictions were checked with experiments performed in a 2 kW annular Hall thruster plasma (n(e) similar to 10(9)-10(10) cm(-3) and T-e similar to 10-50 eV). The authors find that the floating point method gives a value around 2T(e)/e below the inflection point method, which is shown to be a more accurate emissive probe technique than other techniques used in this work for measurements of the plasma potential. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3601354]
C1 [Sheehan, J. P.; Hershkowitz, N.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
[Raitses, Y.; Kaganovich, I.; Fisch, N. J.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Sheehan, JP (reprint author), Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
EM sheehan2@wisc.edu
OI Sheehan, J. P./0000-0003-4312-0611
FU US Department of Energy [DE-AC02-09CH11466, DE-FG02-97ER54437]; DOE
Office of Fusion Energy Science [DE-SC0001939]; Fusion Energy Sciences
Fellowship; U.S. Department of Energy; Oak Ridge Associated Universities
FX Special thanks are due to Martin Griswold and Lee Ellison for all of
their assistance. This work was supported by US Department of Energy
grants No. DE-AC02-09CH11466, and No. DE-FG02-97ER54437, the DOE Office
of Fusion Energy Science Contract DE-SC0001939, and the Fusion Energy
Sciences Fellowship Program administered by Oak Ridge Institute for
Science and Education under a contract between the U.S. Department of
Energy and the Oak Ridge Associated Universities.
NR 38
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PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 1070-664X
EI 1089-7674
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 073501
DI 10.1063/1.3601354
PG 9
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500046
ER
PT J
AU Zhou, Y
Oughton, S
AF Zhou, Ye
Oughton, Sean
TI Nonlocality and the critical Reynolds numbers of the minimum state
magnetohydrodynamic turbulence
SO PHYSICS OF PLASMAS
LA English
DT Article
ID ENERGY-TRANSFER; NUMERICAL SIMULATIONS; MAGNETIC FLUCTUATIONS;
DISSIPATION RANGE; INERTIAL-RANGE; LOCALITY; ANISOTROPY; TRANSFERS;
CASCADES; SPECTRUM
AB Magnetohydrodynamic (MHD) systems can be strongly nonlinear ( turbulent) when their kinetic and magnetic Reynolds numbers are high, as is the case in many astrophysical and space plasma flows. Unfortunately these high Reynolds numbers are typically much greater than those currently attainable in numerical simulations of MHD turbulence. A natural question to ask is how can researchers be sure that their simulations have reproduced all of the most influential physics of the flows and magnetic fields? In this paper, a metric is defined to indicate whether the necessary physics of interest has been captured. It is found that current computing resources will typically not be sufficient to achieve this minimum state metric. (C) 2011 American Institute of Physics. [doi:10.1063/1.3606473]
C1 [Zhou, Ye] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Oughton, Sean] Univ Waikato, Dept Math, Hamilton 3240, New Zealand.
RP Zhou, Y (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RI Oughton, Sean/A-3380-2012
OI Oughton, Sean/0000-0002-2814-7288
FU Lawrence Livermore National Security, LLC [DE-AC52-07NA27344];
University of Waikato
FX This work was performed under the auspices of the Lawrence Livermore
National Security, LLC under Contract No. DE-AC52-07NA27344 and with
support from the University of Waikato Strategic Research Investment
Fund. Y.Z. is extremely grateful to Professor David Wallace, Director of
the Isaac Newton Institute for Mathematical Sciences, University of
Cambridge and the organizers of the Partial Differential Equations in
Kinetic Theories Programmes, for their kind invitation.
NR 45
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PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 1070-664X
EI 1089-7674
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JUL
PY 2011
VL 18
IS 7
AR 072304
DI 10.1063/1.3606473
PG 4
WC Physics, Fluids & Plasmas
SC Physics
GA 801XS
UT WOS:000293474500019
ER
PT J
AU Bessa, RJ
Miranda, V
Botterud, A
Wang, J
AF Bessa, R. J.
Miranda, V.
Botterud, A.
Wang, J.
TI 'Good' or 'bad' wind power forecasts: a relative concept
SO WIND ENERGY
LA English
DT Article
DE wind power forecasting; neural networks; correntropy; electricity
markets; good forecasts; bad forecasts
ID ELECTRICITY MARKET; INFORMATION; GENERATION; PREDICTION
AB This paper reports a study on the importance of the training criteria for wind power forecasting and calls into question the generally assumed neutrality of the 'goodness' of particular forecasts. The study, focused on the Spanish Electricity Market as a representative example, combines different training criteria and different users of the forecasts to compare them in terms of the benefits obtained. In addition to more classical criteria, an information theoretic learning training criterion, called parametric correntropy, is introduced as a means to correct problems detected in other criteria and achieve more satisfactory compromises among conflicting criteria, namely forecasting value and quality. We show that the interests of wind farm owners may lead to a preference for biased forecasts, which may be in conflict with the larger needs of secure operating policies. The ideas and conclusions are supported by results from three real wind farms. Copyright (c) 2010 John Wiley & Sons, Ltd.
C1 [Bessa, R. J.; Miranda, V.] INESC Porto, Inst Engn Sistemas & Computadores Porto, P-4200465 Oporto, Portugal.
[Bessa, R. J.; Miranda, V.] Univ Porto, Fac Engn, FEUP, P-4100 Oporto, Portugal.
[Botterud, A.; Wang, J.] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA.
RP Bessa, RJ (reprint author), INESC Porto, Inst Engn Sistemas & Computadores Porto, Campus FEUP,Rua Dr Roberto Frias 378, P-4200465 Oporto, Portugal.
EM rbessa@inescporto.pt
RI Miranda, Vladimiro/H-6245-2012;
OI Bessa, Ricardo/0000-0002-3808-0427; Miranda,
Vladimiro/0000-0002-5772-8452
NR 38
TC 19
Z9 21
U1 1
U2 5
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1095-4244
J9 WIND ENERGY
JI Wind Energy
PD JUL
PY 2011
VL 14
IS 5
BP 625
EP 636
DI 10.1002/we.444
PG 12
WC Energy & Fuels; Engineering, Mechanical
SC Energy & Fuels; Engineering
GA 805PE
UT WOS:000293740500001
ER
PT J
AU Falcone, R
Jacobsen, C
Kirz, J
Marchesini, S
Shapiro, D
Spence, J
AF Falcone, Roger
Jacobsen, Chris
Kirz, Janos
Marchesini, Stefano
Shapiro, David
Spence, John
TI New directions in X-ray microscopy
SO CONTEMPORARY PHYSICS
LA English
DT Review
DE X-ray microscopy; X-ray diffraction; X-ray optics; phase-contrast
ID ZERNIKE PHASE-CONTRAST; FRESNEL ZONE-PLATE; DIFFRACTION MICROSCOPY;
PROTEIN NANOCRYSTALLOGRAPHY; TRANSPARENT OBJECTS; CHEMICAL CONTRAST;
RESOLUTION; HOLOGRAPHY; TOMOGRAPHY; SCATTERING
AB The development of high brightness X-ray sources and high resolution X-ray optics has led to rapid advances in Xray microscopy. Scanning microscopes and full-field instruments are in operation at synchrotron light sources worldwide, and provide spatial resolution routinely in the 25-50 nm range using zone plate focusing elements. X-ray microscopes can provide elemental maps and/or chemical sensitivity in samples that are too thick for electron microscopy. Lensless techniques, such as diffraction microscopy, holography and ptychography are also being developed. In high resolution imaging of radiation-sensitive material the effects of radiation damage needs to be carefully considered. This article is designed to provide an introduction to the current state and future prospects of X-ray microscopy for the non-expert.
C1 [Falcone, Roger; Kirz, Janos; Marchesini, Stefano] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Falcone, Roger] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Jacobsen, Chris] Argonne Natl Lab, Argonne, IL 60439 USA.
[Jacobsen, Chris] Northwestern Univ, Evanston, IL USA.
[Shapiro, David] Brookhaven Natl Lab, NSLS 2, Upton, NY USA.
[Spence, John] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
RP Falcone, R (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
EM rwf@berkeley.edu
RI Marchesini, Stefano/A-6795-2009; Jacobsen, Chris/E-2827-2015
OI Jacobsen, Chris/0000-0001-8562-0353
FU Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy [DE-AC02-05CH11231, DE-AC02-06CH11357, DE-AC02-98CH10886]
FX The work as part of Roger Falcone, Janos Kirz, and Stefano Marchesini's
official duties as Federal Government Contractors is published by
permission of the Lawrence Berkeley National Laboratory and the Office
of Science, Office of Basic Energy Sciences, of the US Department of
Energy under Contract DE-AC02-05CH11231 and Chris Jacobsen's official
duties as a Federal Government Contractor is published by permission of
the Argonne National Laboratory and the Office of Science, Office of
Basic Energy Sciences, of the US Department of Energy under Contract
DE-AC02-06CH11357. David Shapiro's work, as part of his official duties
as a Federal Government Contractor, is published by permission of the
Brookhaven National Laboratory and the Office of Science, Office of
Basic Energy Sciences, of the US Department of Energy under Contract No.
DE-AC02-98CH10886. The US Government retains for itself, and others
acting on its behalf, a paid-up, non-exclusive, and 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 117
TC 38
Z9 38
U1 10
U2 93
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0010-7514
J9 CONTEMP PHYS
JI Contemp. Phys.
PD JUL-AUG
PY 2011
VL 52
IS 4
BP 293
EP 318
DI 10.1080/00107514.2011.589662
PG 26
WC Physics, Multidisciplinary
SC Physics
GA 805KM
UT WOS:000293725300003
ER
PT J
AU Zhang, YW
Zalapa, JE
Jakubowski, AR
Price, DL
Acharya, A
Wei, YL
Brummer, EC
Kaeppler, SM
Casler, MD
AF Zhang, Yunwei
Zalapa, Juan E.
Jakubowski, Andrew R.
Price, David L.
Acharya, Ananta
Wei, Yanling
Brummer, E. Charles
Kaeppler, Shawn M.
Casler, Michael D.
TI Post-glacial evolution of Panicum virgatum: centers of diversity and
gene pools revealed by SSR markers and cpDNA sequences
SO GENETICA
LA English
DT Article
DE Switchgrass; DNA markers; Genetic diversity; Genetic structure;
Post-glacial migration
ID PLANT ADAPTATION REGIONS; SWITCHGRASS POPULATIONS; NORTH-AMERICA;
ECOTYPIC VARIATION; CENTRAL FLORIDA; COASTAL-PLAIN; ICE AGES; RECORD;
GRASSES; NUMBER
AB Switchgrass (Panicum virgatum), a central and Eastern USA native, is highly valued as a component in tallgrass prairie and savanna restoration and conservation projects and a potential bioenergy feedstock. The purpose of this study was to identify regional diversity, gene pools, and centers-of-diversity of switchgrass to gain an understanding of its post-glacial evolution and to identify both the geographic range and potential overlap between functional gene pools. We sampled a total of 384 genotypes from 49 accessions that included the three main taxonomic groups of switchgrass (lowland 4x, upland 4x, and upland 8x) along with one accession possessing an intermediate phenotype. We identified primary centers of diversity for switchgrass in the eastern and western Gulf Coast regions. Migration, drift, and selection have led to adaptive radiation in switchgrass, creating regional gene pools within each of the main taxa. We estimate that both upland-lowland divergence and 4x-to-8x polyploidization within switchgrass began approximately 1.5-1 M ybp and that subsequent ice age cycles have resulted in gene flow between ecotype lineages and between ploidy levels. Gene flow has resulted in "hot spots" of genetic diversity in the southeastern USA and along the Atlantic Seaboard.
C1 [Zalapa, Juan E.] Univ Wisconsin, Dept Hort, USDA, ARS,Vegetable Crops Res Unit, Madison, WI 53706 USA.
[Zhang, Yunwei] China Agr Univ, Grassland Inst, Beijing 100094, Peoples R China.
[Zalapa, Juan E.; Kaeppler, Shawn M.; Casler, Michael D.] DOE Great Lakes Bioenergy Res Ctr, Madison, WI USA.
[Jakubowski, Andrew R.; Price, David L.; Kaeppler, Shawn M.] Univ Wisconsin, Dept Agron, Madison, WI 53706 USA.
[Acharya, Ananta; Wei, Yanling; Brummer, E. Charles] Univ Georgia, Crop & Soil Sci Dept, Inst Plant Breeding Genet & Genom, Athens, GA 30602 USA.
[Acharya, Ananta; Wei, Yanling; Brummer, E. Charles] DOE BioEnergy Sci Ctr, Athens, GA USA.
[Brummer, E. Charles] Samuel Roberts Noble Fdn Inc, Ardmore, OK USA.
[Casler, Michael D.] ARS, USDA, US Dairy Forage Res Ctr, Madison, WI USA.
RP Zalapa, JE (reprint author), Univ Wisconsin, Dept Hort, USDA, ARS,Vegetable Crops Res Unit, 1575 Linden Dr, Madison, WI 53706 USA.
EM Juan.Zalapa@ars.usda.gov
OI Kaeppler, Shawn/0000-0002-5964-1668
FU DOE Great Lakes Bioenergy Research Center (GLBRC, DOE Office of Science)
[BER DE-FC02-07ER64494]; USDA-ARS CRIS [3655-41000-003-00D,
3655-41000-004-00D]; University of Wisconsin Agricultural Research
Stations; University of Georgia College of Agricultural and
Environmental Sciences; Ministry of Science and Technology, PR China
[2008BADB3B04, 2009BADA7B04, 2011AA100209]; DOE BioEnergy Science Center
(BESC, DOE Office of Science) [BER DE-AC05-00OR22725]; Office of
Biological and Environmental Research in the DOE Office of Science;
National Science Foundation [NSF IOS 0922457]
FX We thank Nick Baker, USDA-ARS, Madison, WI, and Jonathan Markham and
Wesley Dean, University of Georgia, for assistance with field-plot
establishment and maintenance. We thank Dr. Ken Vogel, USDA-ARS,
Lincoln, NE, for many fruitful discussions, particularly his suggestion
of the connection between Fort Robinson and U. S. Army bases in the
eastern USA. We thank Denise Costich, USDA-ARS, Ithaca, NY, for kindly
supplying a confirmed hexaploid control plant for our flow cytometry
assays. We also thank Donna Tabor, Fort Bragg Historian, U. S. Army, for
assistance in locating written historical records. We thank the Florida
State Park Service for permission to collect switchgrass accessions on
Florida State Park lands. This work was funded in part by the DOE Great
Lakes Bioenergy Research Center (GLBRC, DOE Office of Science BER
DE-FC02-07ER64494). Additional funding for this project was provided by
the following organizations and grants: USDA-ARS CRIS Project Nos.
3655-41000-003-00D and 3655-41000-004-00D; the University of Wisconsin
Agricultural Research Stations; the University of Georgia College of
Agricultural and Environmental Sciences; the Ministry of Science and
Technology, PR China, Project Nos. 2008BADB3B04, 2009BADA7B04, and
2011AA100209; and Project 1.3.3.3 of the DOE BioEnergy Science Center
(BESC, DOE Office of Science BER DE-AC05-00OR22725). Both GLBRC and BESC
are U. S. Department of Energy Bioenergy Research Centers supported by
the Office of Biological and Environmental Research in the DOE Office of
Science. This project represents a formal collaboration between GLBRC,
BESC, and the Chinese Ministry of Science and Technology. Mention of a
trademark, product name, or brand does not imply endorsement of a
product over any other product by the USDA-ARS, the University of
Georgia, or the U. S. Department of Energy. Panicum hallii sequence data
were kindly provided to us by Eli Meyer and Tom Juenger of the
University of Texas, Austin, TX. Their efforts were supported through
National Science Foundation Plant Genome Research Program NSF IOS
0922457. Christian Tobias, USDA-ARS, Albany, CA kindly provided the full
chloroplast sequence of P. virgatum cv. Kanlow as a reference genome for
alignment of P. hallii fragments.
NR 72
TC 43
Z9 44
U1 1
U2 36
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0016-6707
J9 GENETICA
JI Genetica
PD JUL
PY 2011
VL 139
IS 7
BP 933
EP 948
DI 10.1007/s10709-011-9597-6
PG 16
WC Genetics & Heredity
SC Genetics & Heredity
GA 798XG
UT WOS:000293244900010
PM 21786028
ER
PT J
AU Kar, A
Upadhya, PC
Dayeh, SA
Picraux, ST
Taylor, AJ
Prasankumar, RP
AF Kar, Ayan
Upadhya, Prashanth C.
Dayeh, Shadi A.
Picraux, S. Tom
Taylor, Antoinette J.
Prasankumar, Rohit P.
TI Probing Ultrafast Carrier Dynamics in Silicon Nanowires
SO IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
LA English
DT Article
DE Nanotechnology; optical spectroscopy; semiconductor materials; silicon;
ultrafast optics
ID RECOMBINATION DYNAMICS; ELECTRON
AB We present the first ultrafast optical pump-probe spectroscopic measurements, to the best of our knowledge, on silicon nanowires (SiNWs). In this study, we performed femtosecond pump-probe measurements on vapor-liquid-solid-grown SiNWs to investigate the influence of the NW diameter, pump and probe polarizations, and pump fluence on the observed dynamics while tuning the probe wavelength below and above the indirect bandgap in Si. For smaller NW diameters, carriers were found to relax more rapidly into both extended and localized states, indicating that a surface-mediated mechanism governs the observed dynamics. The magnitude of the photoinduced transmission change exhibited strong polarization dependence, showing that optical transitions in these quasi-1D systems are highly polarized along the NW axis. Finally, density-dependent experiments revealed that the relaxation time decreases with increasing photoexcited carrier density for an above bandgap probe; however, no significant density-dependent changes in the relaxation dynamics were observed when probed below the bandgap. In short, our experiments reveal the influence of diameter, polarization, and carrier density on carrier dynamics in SiNWs, shedding light on the phenomena that govern carrier relaxation in these important nanosystems and giving insight on their future use in nanophotonic applications.
C1 [Kar, Ayan; Upadhya, Prashanth C.; Dayeh, Shadi A.; Picraux, S. Tom; Taylor, Antoinette J.; Prasankumar, Rohit P.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Kar, A (reprint author), Univ Illinois, Dept Elect & Comp Engn, Chicago, IL 60607 USA.
EM akar2@uic.edu; pupadhya@lanl.gov; shadi@lanl.gov; picraux@lanl.gov;
ttaylor@lanl.gov; rpprasan@lanl.gov
RI Dayeh, Shadi/H-5621-2012
FU Los Alamos National Laboratory, U.S. Department of Energy
[DE-AC52-06NA25396]
FX This work was supported by Los Alamos National Laboratory, an
affirmative action equal opportunity employer 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 31
TC 12
Z9 12
U1 2
U2 25
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1077-260X
J9 IEEE J SEL TOP QUANT
JI IEEE J. Sel. Top. Quantum Electron.
PD JUL-AUG
PY 2011
VL 17
IS 4
BP 889
EP 895
DI 10.1109/JSTQE.2010.2076399
PG 7
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA 805UW
UT WOS:000293755500014
ER
PT J
AU Logeeswaran, VJ
Oh, J
Nayak, AP
Katzenmeyer, AM
Gilchrist, KH
Grego, S
Kobayashi, NP
Wang, SY
Talin, AA
Dhar, NK
Islam, MS
AF Logeeswaran, V. J.
Oh, Jinyong
Nayak, Avinash P.
Katzenmeyer, Aaron M.
Gilchrist, Kristin H.
Grego, Sonia
Kobayashi, Nobuhiko P.
Wang, Shih-Yuan
Talin, A. Alec
Dhar, Nibir K.
Islam, M. Saif
TI A Perspective on Nanowire Photodetectors: Current Status, Future
Challenges, and Opportunities
SO IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
LA English
DT Article
DE High speed; impedance matching; metamaterials; nanoepitaxy; nanowire
(NW); optical waveguide; photodetectors (PDs); photon traps
ID CHEMICAL-VAPOR-DEPOSITION; P-N-JUNCTION; PLASMONIC WAVE-GUIDE;
FIELD-EFFECT TRANSISTORS; THIN-FILM TRANSISTORS; ZINC-OXIDE NANOWIRES;
MATCHED DISTRIBUTED PHOTODETECTORS; HIGHLY CONDUCTIVE NANOWIRES;
CATALYZED SILICON NANOWIRES; INDIUM-PHOSPHIDE NANOWIRES
AB One-dimensional semiconductor nanostructures (nanowires (NWs), nanotubes, nanopillars, nanorods, etc.) based photodetectors (PDs) have been gaining traction in the research community due to their ease of synthesis and unique optical, mechanical, electrical, and thermal properties. Specifically, the physics and technology of NW PDs offer numerous insights and opportunities for nanoscale optoelectronics, photovoltaics, plasmonics, and emerging negative index metamaterials devices. The successful integration of these NWPDs on CMOS-compatible substrates and various low-cost substrates via direct growth and transfer-printing techniques would further enhance and facilitate the adaptation of this technology module in the semiconductor foundries. In this paper, we review the unique advantages of NW-based PDs, current device integration schemes and practical strategies, recent device demonstrations in lateral and vertical process integration with methods to incorporate NWs in PDs via direct growth (nanoepitaxy) methods and transfer-printing methods, and discuss the numerous technical design challenges. In particular, we present an ultrafast surface-illuminated PD with 11.4-ps full-width at half-maximum (FWHM), edge-illuminated novel waveguide PDs, and some novel concepts of light trapping to provide a full-length discussion on the topics of: 1) low-resistance contact and interfaces for NW integration; 2) high-speed design and impedance matching; and 3) CMOS-compatible mass-manufacturable device fabrication. Finally, we offer a brief outlook into the future opportunities of NW PDs for consumer and military application.
C1 [Logeeswaran, V. J.; Oh, Jinyong; Nayak, Avinash P.; Katzenmeyer, Aaron M.; Islam, M. Saif] Univ Calif Davis, Integrated Nanodevices & Nanosyst Res Grp, Dept Elect & Comp Engn, Davis, CA 95616 USA.
[Gilchrist, Kristin H.; Grego, Sonia] Res Triangle Int, Ctr Mat & Elect Technol, Res Triangle Pk, NC 27709 USA.
[Kobayashi, Nobuhiko P.] Univ Calif Santa Cruz, Jack Baskin Sch Engn, Santa Cruz, CA 95064 USA.
[Wang, Shih-Yuan] Hewlett Packard Labs, Informat & Quantum Sci Lab, Palo Alto, CA 94304 USA.
[Talin, A. Alec] Sandia Natl Labs, Livermore, CA 94551 USA.
[Dhar, Nibir K.] Def Adv Res Projects Agcy, Microsyst Technol Off, Arlington, VA 22203 USA.
RP Logeeswaran, VJ (reprint author), Univ Calif Davis, Integrated Nanodevices & Nanosyst Res Grp, Dept Elect & Comp Engn, Davis, CA 95616 USA.
EM sgrego@rti.org; nobby@soe.ucsc.edu; sywang@hp.com;
albert.talin@nist.gov; nibir.dhar@darpa.mil; sislam@ucdavis.edu
RI Wang, Shih-Yuan/C-3889-2009; Kobayashi, Nobuhiko/E-3834-2012;
Katzenmeyer, Aaron/F-7961-2014
OI Wang, Shih-Yuan/0000-0002-1212-3484; Katzenmeyer,
Aaron/0000-0002-5755-8537
FU Department of Defense under Army Research Office [55176-EL-DRP];
Research Triangle International (RTI); National Science Foundation
[0547679]
FX This work was supported in part by the Department of Defense under Army
Research Office Research Grant 55176-EL-DRP, in part by the Research
Triangle International (RTI), and in part by the National Science
Foundation under Grant 0547679.
NR 401
TC 25
Z9 25
U1 2
U2 82
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1077-260X
EI 1558-4542
J9 IEEE J SEL TOP QUANT
JI IEEE J. Sel. Top. Quantum Electron.
PD JUL-AUG
PY 2011
VL 17
IS 4
BP 1002
EP 1032
DI 10.1109/JSTQE.2010.2093508
PG 31
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA 805UW
UT WOS:000293755500029
ER
PT J
AU Massoudi, M
AF Massoudi, Mehrdad
TI A generalization of Reiner's mathematical model for wet sand
SO MECHANICS RESEARCH COMMUNICATIONS
LA English
DT Article
DE Continuum mechanics; Wet sand; Dilatancy; Shear flow; Non-Newtonian
fluids; Granular materials
ID STRESS-DEFORMATION RELATIONS; SATURATED GRANULAR-MATERIALS; FLOW; FLUID;
DILATANCY; MECHANICS; DENSE
AB In this paper we modify the constitutive relation derived by Reiner (1945), to describe dilatancy in wet sand, by suggesting that the shear viscosity would depend on the shear rate and the volume fraction. We then look at the flow of a saturated densely packed bed of particles (with liquid in the pores) between two horizontal flat plates. We obtain exact solutions for a very special case. Published by Elsevier Ltd.
C1 US DOE, NETL, Pittsburgh, PA 15236 USA.
RP Massoudi, M (reprint author), US DOE, NETL, 626 Cochrans Mill Rd,POB 10940, Pittsburgh, PA 15236 USA.
EM Massoudi@netl.doe.gov
NR 42
TC 8
Z9 8
U1 0
U2 7
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0093-6413
J9 MECH RES COMMUN
JI Mech. Res. Commun.
PD JUL
PY 2011
VL 38
IS 5
BP 378
EP 381
DI 10.1016/j.mechrescom.2011.05.002
PG 4
WC Mechanics
SC Mechanics
GA 805IU
UT WOS:000293720900007
ER
PT J
AU Gainsforth, Z
Butterworth, AL
Brownlee, DE
Huss, GR
Joswiak, D
Nagashima, K
Ogliore, RC
Tyliczszak, T
Westphal, AJ
AF Gainsforth, Z.
Butterworth, A. L.
Brownlee, D. E.
Huss, G. R.
Joswiak, D.
Nagashima, K.
Ogliore, R. C.
Tyliczszak, T.
Westphal, A. J.
TI METAMORPHIC INDICATORS IN STARDUST
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID CHONDRITES
C1 [Gainsforth, Z.; Butterworth, A. L.; Westphal, A. J.] UC Berkeley, Berkeley, CA USA.
[Brownlee, D. E.; Joswiak, D.] Univ Hawaii Manoa, Hawaii Inst Geophys & Planetol, Honolulu, HI 96822 USA.
[Huss, G. R.; Nagashima, K.; Ogliore, R. C.] Univ Washington, Dept Astron, Seattle, WA 98195 USA.
[Tyliczszak, T.] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA USA.
EM zackg@ssl.berkeley.edu
NR 6
TC 0
Z9 0
U1 0
U2 3
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A72
EP A72
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700140
ER
PT J
AU Goldstein, JI
Jones, RH
Kotula, PG
Michael, JR
AF Goldstein, J. I.
Jones, R. H.
Kotula, P. G.
Michael, J. R.
TI THERMAL HISTORY OF METAL PARTICLES IN CB CHONDRITES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID EARLY SOLAR-SYSTEM
C1 [Goldstein, J. I.] Univ Massachusetts, Amherst, MA 01003 USA.
[Jones, R. H.] Univ New Mexico, Albuquerque, NM 87131 USA.
[Kotula, P. G.; Michael, J. R.] Sandia Natl Labs, Albuquerque, NM USA.
EM jig0@ecs.umass.edu
NR 7
TC 0
Z9 0
U1 0
U2 2
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A80
EP A80
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700156
ER
PT J
AU Heck, PR
Pellin, MJ
Davis, AM
Isheim, D
Seidman, DN
Hiller, J
Mane, A
Elam, J
Savina, MR
Stephan, T
Stadermann, FJ
Zhao, X
Daulton, TL
Floss, C
AF Heck, P. R.
Pellin, M. J.
Davis, A. M.
Isheim, D.
Seidman, D. N.
Hiller, J.
Mane, A.
Elam, J.
Savina, M. R.
Stephan, T.
Stadermann, F. J.
Zhao, X.
Daulton, T. L.
Floss, C.
TI ATOM-PROBE TOMOGRAPHY OF METEORITIC AND SYNTHETIC NANODIAMONDS
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID INTERSTELLAR DIAMONDS
C1 [Heck, P. R.; Davis, A. M.; Stephan, T.] Field Museum Nat Hist, Dept Geol, Robert A Pritzker Ctr Meteorit & Polar Studies, Chicago, IL 60605 USA.
[Heck, P. R.; Pellin, M. J.; Davis, A. M.; Savina, M. R.; Stephan, T.] Univ Chicago, Chicago Ctr Cosmochem, Chicago, IL 60637 USA.
[Pellin, M. J.; Davis, A. M.; Stephan, T.] Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USA.
[Pellin, M. J.; Hiller, J.; Savina, M. R.; Stephan, T.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Pellin, M. J.; Davis, A. M.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Isheim, D.; Seidman, D. N.] Northwestern Univ, Dept Mat Sci & Engn, Ctr Atom Probe Tomog, Evanston, IL 60208 USA.
[Mane, A.; Elam, J.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Stadermann, F. J.; Zhao, X.; Floss, C.] Wash Univ, Space Sci Lab, St Louis, MO USA.
[Stadermann, F. J.; Zhao, X.; Daulton, T. L.; Floss, C.] Wash Univ, Dept Phys, St Louis, MO USA.
[Daulton, T. L.] Wash Univ, Ctr Mat Innovat, St Louis, MO USA.
EM prheck@fieldmuseum.org
RI Hiller, Jon/A-2513-2009; Heck, Philipp/C-6092-2012; Pellin,
Michael/B-5897-2008; Seidman, David/B-6697-2009
OI Hiller, Jon/0000-0001-7207-8008; Pellin, Michael/0000-0002-8149-9768;
NR 10
TC 2
Z9 2
U1 2
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A90
EP A90
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700177
ER
PT J
AU Hu, ZW
Winarski, R
AF Hu, Z. W.
Winarski, R.
TI NONDESTRUCTIVE THREE-DIMENSIONAL IMAGING OF AN INTERPLANETARY DUST
PARTICLE AT THE NANOSCALE
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID CLOUD
C1 [Hu, Z. W.] XNano Sci Inc, Huntsville, AL 35812 USA.
[Winarski, R.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
EM zwhu@xnano.org
NR 5
TC 0
Z9 0
U1 0
U2 0
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A103
EP A103
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700203
ER
PT J
AU Ishii, HA
Wozniakiewicz, PJ
Kearsley, AT
Burchell, MJ
Bradley, JP
Teslich, N
Price, MC
Cole, MJ
AF Ishii, H. A.
Wozniakiewicz, P. J.
Kearsley, A. T.
Burchell, M. J.
Bradley, J. P.
Teslich, N.
Price, M. C.
Cole, M. J.
TI THE QUESTION OF GEMS IN COMET 81P/WILD 2: STARDUST ANALOG IMPACTS OF
FINE-GRAINED MINERAL AGGREGATES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID DUST
C1 [Ishii, H. A.; Wozniakiewicz, P. J.; Bradley, J. P.; Teslich, N.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Kearsley, A. T.] Nat Hist Museum, Dept Mineral, Impacts & Astromat Res Ctr, London SW7 5BD, England.
[Burchell, M. J.; Price, M. C.; Cole, M. J.] Univ Kent, Sch Phys Sci, Ctr Astrophys & Planetary Sci, Canterbury CT2 7NH, Kent, England.
EM hope.ishii@llnl.gov
NR 5
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A110
EP A110
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700216
ER
PT J
AU Jacobsen, B
Matzel, J
Krot, AN
Hutcheon, ID
Telus, M
Nagashima, K
AF Jacobsen, B.
Matzel, J.
Krot, A. N.
Hutcheon, I. D.
Telus, M.
Nagashima, K.
TI THE TIMING OF AQUEOUS ALTERATION IN UNEQUILIBRATED ORDINARY CHONDRITES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbH, Royal Observ Greenwich
ID FAYALITE FORMATION
C1 [Jacobsen, B.; Matzel, J.; Hutcheon, I. D.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Krot, A. N.; Telus, M.; Nagashima, K.] Univ Hawaii Manoa, Honolulu, HI 96822 USA.
NR 5
TC 0
Z9 0
U1 0
U2 0
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1086-9379
J9 METEORIT PLANET SCI
JI Meteorit. Planet. Sci.
PD JUL
PY 2011
VL 46
SU 1
SI SI
BP A111
EP A111
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700218
ER
PT J
AU Kearsley, AT
Burchell, MJ
Price, MC
Cole, MJ
Wozniakiewicz, PJ
Ishii, HA
Teslich, N
Bradley, JP
Salge, T
AF Kearsley, A. T.
Burchell, M. J.
Price, M. C.
Cole, M. J.
Wozniakiewicz, P. J.
Ishii, H. A.
Teslich, N.
Bradley, J. P.
Salge, T.
TI COMETARY DUST RESIDUE IN LARGE STARDUST FOIL CRATERS: HOW MUCH SURVIVES,
AND HOW TO SAFELY EXTRACT IT FOR ANALYSIS
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID WILD-2; SIZE
C1 [Kearsley, A. T.] Nat Hist Museum, Dept Mineral, IARC, London SW7 5BD, England.
[Burchell, M. J.; Price, M. C.; Cole, M. J.] Univ Kent, Sch Phys Sci, Canterbury CT2 7NH, Kent, England.
[Wozniakiewicz, P. J.; Ishii, H. A.; Teslich, N.; Bradley, J. P.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Salge, T.] Bruker Nano GmbH, D-12489 Berlin, Germany.
EM antk@nhm.ac.uk
NR 5
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A120
EP A120
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700236
ER
PT J
AU Kebukawa, Y
Zolensky, ME
Fries, MD
Steele, A
Kilcoyne, ALD
Cody, GD
AF Kebukawa, Y.
Zolensky, M. E.
Fries, M. D.
Steele, A.
Kilcoyne, A. L. D.
Cody, G. D.
TI ORGANIC ANALYSIS OF XENOLITHIC CLASTS IN METEORITES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID SOLAR-SYSTEM
C1 [Kebukawa, Y.; Steele, A.; Cody, G. D.] Carnegie Inst Washington, Geophys Lab, Washington, DC 20005 USA.
[Zolensky, M. E.] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA.
[Fries, M. D.] Planetary Sci Inst, San Diego, CA USA.
[Kilcoyne, A. L. D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
EM ykebukawa@ciw.edu
RI Kilcoyne, David/I-1465-2013
NR 4
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A121
EP A121
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700238
ER
PT J
AU King, AJ
Sutton, SR
Newville, M
Liu, N
Trappitsch, R
Heck, PR
Davis, AM
Pellin, MJ
Stephan, T
AF King, A. J.
Sutton, S. R.
Newville, M.
Liu, N.
Trappitsch, R.
Heck, P. R.
Davis, A. M.
Pellin, M. J.
Stephan, T.
TI DETERMINING TRACE ELEMENT ABUNDANCES IN SINGLE PRESOLAR SiC GRAINS
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [King, A. J.; Sutton, S. R.; Liu, N.; Trappitsch, R.; Davis, A. M.; Pellin, M. J.; Stephan, T.] Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USA.
[King, A. J.; Liu, N.; Trappitsch, R.; Heck, P. R.; Davis, A. M.; Pellin, M. J.; Stephan, T.] Univ Chicago, Chicago Ctr Cosmochem, Chicago, IL 60637 USA.
[Sutton, S. R.; Newville, M.] Univ Chicago, Consortium Adv Radiat Sources, Chicago, IL 60637 USA.
[Liu, N.; Trappitsch, R.; Pellin, M. J.; Stephan, T.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Heck, P. R.; Davis, A. M.; Stephan, T.] Field Museum, Robert A Pritzker Ctr Meteorit & Polar Studies, Chicago, IL USA.
[Davis, A. M.; Pellin, M. J.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
EM ajking@uchicago.edu
RI Heck, Philipp/C-6092-2012; Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
NR 4
TC 0
Z9 0
U1 0
U2 3
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A125
EP A125
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700246
ER
PT J
AU Kita, NT
Ushikubo, T
Knight, KB
Mendybaev, RA
Davis, AM
Richter, FM
Nakashima, D
Spicuzza, MJ
Valley, JW
AF Kita, N. T.
Ushikubo, T.
Knight, K. B.
Mendybaev, R. A.
Davis, A. M.
Richter, F. M.
Nakashima, D.
Spicuzza, M. J.
Valley, J. W.
TI HIGH PRECISION OXYGEN ISOTOPE SYSTEMATICS OF A TYPE B1 CAI FROM LEOVILLE
(CV3)
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [Kita, N. T.; Ushikubo, T.; Nakashima, D.; Spicuzza, M. J.; Valley, J. W.] Univ Wisconsin, WiscSIMS, Madison, WI 53706 USA.
[Knight, K. B.; Mendybaev, R. A.; Davis, A. M.; Richter, F. M.] Univ Chicago, Chicago, IL 60637 USA.
[Knight, K. B.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM noriko@geology.wisc.edu
NR 7
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A125
EP A125
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700247
ER
PT J
AU Krot, A
Hutcheon, I
Nagashima, K
Crites, S
Gasda, P
Hallis, L
Jilly, C
Petaev, M
Robertson, K
Taylor, G
Telus, M
AF Krot, A.
Hutcheon, I.
Nagashima, K.
Crites, S.
Gasda, P.
Hallis, L.
Jilly, C.
Petaev, M.
Robertson, K.
Taylor, G.
Telus, M.
TI ORIGIN OF FERROAN OLIVINE IN MATRICES OF UNEQUILIBRATED CHONDRITES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID FAYALITE
C1 [Krot, A.; Nagashima, K.; Crites, S.; Gasda, P.; Hallis, L.; Jilly, C.; Robertson, K.; Taylor, G.; Telus, M.] Univ Hawaii Manoa, Honolulu, HI 96822 USA.
[Hutcheon, I.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Petaev, M.] Harvard Univ, Cambridge, MA 02138 USA.
NR 8
TC 2
Z9 2
U1 0
U2 2
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A131
EP A131
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700258
ER
PT J
AU Qin, L
Carlson, RW
Alexander, CMO
AF Qin, L.
Carlson, R. W.
Alexander, C. M. O'D.
TI CORRELATED NUCLEOSYNTHETIC ISOTOPE VARIABILITY IN Cr, Sr, Ba, Sm, Nd,
AND Hf IN MURCHISON AND QUE 97008
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [Qin, L.; Carlson, R. W.; Alexander, C. M. O'D.] Carnegie Inst Washington, DTM, Washington, DC 20015 USA.
[Qin, L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Isotope Geochem, Berkeley, CA 94720 USA.
EM lqin@lbl.gov
NR 0
TC 0
Z9 0
U1 0
U2 0
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A194
EP A194
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700384
ER
PT J
AU Sandford, SA
Nuevo, M
Milam, SN
Cody, GD
Kilcoyne, ALD
De Gregorio, BT
Stroud, RM
AF Sandford, S. A.
Nuevo, M.
Milam, S. N.
Cody, G. D.
Kilcoyne, A. L. D.
De Gregorio, B. T.
Stroud, R. M.
TI XANES ANALYSIS OF ORGANIC RESIDUES FROM THE IRRADIATION OF ASTROPHYSICAL
ICE ANALOGS AND COMPARISON WITH Stardust SAMPLES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
ID AMINO-ACIDS; COMET 81P/WILD-2
C1 [Sandford, S. A.; Nuevo, M.] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
[Milam, S. N.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Cody, G. D.] Carnegie Inst Washington, Washington, DC 20005 USA.
[Kilcoyne, A. L. D.] Adv Light Source, Berkeley, CA USA.
[De Gregorio, B. T.] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA.
[Stroud, R. M.] USN, Res Lab, Washington, DC 20375 USA.
EM Scott.A.Sandford@nasa.gov
RI Milam, Stefanie/D-1092-2012; De Gregorio, Bradley/B-8465-2008; Kilcoyne,
David/I-1465-2013; Stroud, Rhonda/C-5503-2008
OI Milam, Stefanie/0000-0001-7694-4129; De Gregorio,
Bradley/0000-0001-9096-3545; Stroud, Rhonda/0000-0001-5242-8015
NR 9
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A204
EP A204
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700404
ER
PT J
AU Stephan, T
Davis, AM
Pellin, MJ
Savina, MR
Veryovkin, IV
King, AJ
Liu, N
Trappitsch, R
Yokochi, R
AF Stephan, T.
Davis, A. M.
Pellin, M. J.
Savina, M. R.
Veryovkin, I. V.
King, A. J.
Liu, N.
Trappitsch, R.
Yokochi, R.
TI CHILI-APPROACHING THE FINAL FRONTIERS IN LATERAL RESOLUTION AND
SENSITIVITY FOR ISOTOPIC AND CHEMICAL ANALYSIS
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [Stephan, T.; Davis, A. M.; Pellin, M. J.; Savina, M. R.; Veryovkin, I. V.; King, A. J.; Liu, N.; Trappitsch, R.; Yokochi, R.] Chicago Ctr Cosmochem, Chicago, IL USA.
[Stephan, T.; Davis, A. M.; Pellin, M. J.; King, A. J.; Liu, N.; Trappitsch, R.; Yokochi, R.] Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USA.
[Stephan, T.; Pellin, M. J.; Savina, M. R.; Veryovkin, I. V.; Liu, N.; Trappitsch, R.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Davis, A. M.; Pellin, M. J.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
EM tstephan@uchicago.edu
RI Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
NR 4
TC 1
Z9 1
U1 0
U2 4
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A222
EP A222
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700441
ER
PT J
AU Wozniakiewicz, PJ
Ishii, HA
Kearsley, AT
Burchell, MJ
Bradley, JP
Teslich, N
Cole, MJ
AF Wozniakiewicz, P. J.
Ishii, H. A.
Kearsley, A. T.
Burchell, M. J.
Bradley, J. P.
Teslich, N.
Cole, M. J.
TI INVESTIGATING CARBONATE SURVIVAL IN Stardust ALUMINUM FOILS
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [Wozniakiewicz, P. J.; Ishii, H. A.; Bradley, J. P.; Teslich, N.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Kearsley, A. T.] Nat Hist Museum, Impacts & Astromat Res Ctr, Dept Mineral, London SW7 5BD, England.
[Burchell, M. J.; Cole, M. J.] Univ Kent, Sch Phys Sci, Ctr Astrophys & Planetary Sci, Canterbury CT2 7NH, Kent, England.
EM wozniakiewic1@llnl.gov
NR 6
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A253
EP A253
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700502
ER
PT J
AU Wozniakiewicz, PJ
Bradley, JP
Zolensky, ME
Brownlee, DE
Ishii, HA
AF Wozniakiewicz, P. J.
Bradley, J. P.
Zolensky, M. E.
Brownlee, D. E.
Ishii, H. A.
TI KWAJALEIN ATOLL: A NEW COLLECTION SITE FOR MICROMETEORITES
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [Wozniakiewicz, P. J.; Bradley, J. P.; Ishii, H. A.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Zolensky, M. E.] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA.
[Brownlee, D. E.] Univ Washington, Dept Astron, Seattle, WA 98195 USA.
EM wozniakiewic1@llnl.gov
NR 9
TC 0
Z9 0
U1 0
U2 1
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A253
EP A253
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700503
ER
PT J
AU Wozniakiewicz, PJ
Bradley, JP
Zolensky, ME
Brownlee, DE
Ishii, HA
AF Wozniakiewicz, P. J.
Bradley, J. P.
Zolensky, M. E.
Brownlee, D. E.
Ishii, H. A.
TI TAKING PLANETARY SCIENCE AND ASTRONOMY TO STUDENTS IN THE MIDDLE OF THE
PACIFIC OCEAN
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Meeting Abstract
CT 74th Annual Meeting of the Meteoritical-Society
CY AUG 08-12, 2011
CL London, ENGLAND
SP Meteorit Soc, Nat Hist Museum, Imperial Coll, Lunar & Planetary Inst, Natl Aeronaut & Space Adm, European Space Agcy, Barringer Crater Co, CAMECA Instruments, Bruker Nano GmbH, CEPSAR - Open Univ, Univ Leicester, Space Res Ctr, Univ Glasgow, Cambridge Univ Press, Sci (AAAS), WiTec GmbII, Royal Observ Greenwich
C1 [Wozniakiewicz, P. J.; Bradley, J. P.; Ishii, H. A.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Zolensky, M. E.] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA.
[Brownlee, D. E.] Univ Washington, Dept Astron, Seattle, WA 98195 USA.
EM wozniakiewic1@llnl.gov
NR 0
TC 0
Z9 0
U1 1
U2 2
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 JUL
PY 2011
VL 46
SU 1
SI SI
BP A254
EP A254
PG 1
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 797AN
UT WOS:000293094700504
ER
PT J
AU Wijayasekara, D
Manic, M
Sabharwall, P
Utgikar, V
AF Wijayasekara, Dumidu
Manic, Milos
Sabharwall, Piyush
Utgikar, Vivek
TI Optimal artificial neural network architecture selection for performance
prediction of compact heat exchanger with the EBaLM-OTR technique
SO NUCLEAR ENGINEERING AND DESIGN
LA English
DT Article
ID LIMITED EXPERIMENTAL-DATA; PARAMETERS; MODEL; ANN
AB Artificial Neural Networks (ANN) have been used in the past to predict the performance of printed circuit heat exchangers (PCHE) with satisfactory accuracy. Typically published literature has focused on optimizing ANN using a training dataset to train the network and a testing dataset to evaluate it. Although this may produce outputs that agree with experimental results, there is a risk of over-training or over-learning the network rather than generalizing it, which should be the ultimate goal. An over-trained network is able to produce good results with the training dataset but fails when new datasets with subtle changes are introduced. In this paper we present EBaLM-OTR (error back propagation and Levenberg-Marquardt algorithms for over training resilience) technique, which is based on a previously discussed method of selecting neural network architecture that uses a separate validation set to evaluate different network architectures based on mean square error (MSE), and standard deviation of MSE. The method uses k-fold cross validation. Therefore in order to select the optimal architecture for the problem, the dataset is divided into three parts which are used to train, validate and test each network architecture. Then each architecture is evaluated according to their generalization capability and capability to conform to original data. The method proved to be a comprehensive tool in identifying the weaknesses and advantages of different network architectures. The method also highlighted the fact that the architecture with the lowest training error is not always the most generalized and therefore not the optimal. Using the method the testing error achieved was in the order of magnitude of within 10(-5)-10(-3). It was also show that the absolute error achieved by EBaLM-OTR was an order of magnitude better than the lowest error achieved by EBaLM-THP. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Wijayasekara, Dumidu; Manic, Milos] Univ Idaho, Dept Comp Sci, Idaho Falls, ID 83402 USA.
[Sabharwall, Piyush] Idaho Natl Lab, Idaho Falls, ID USA.
[Utgikar, Vivek] Univ Idaho, Dept Chem Engn, Idaho Falls, ID 83402 USA.
RP Wijayasekara, D (reprint author), Univ Idaho, Dept Comp Sci, 1776 Sci Ctr Dr, Idaho Falls, ID 83402 USA.
EM wija2589@vandals.uidaho.edu
RI Wijayasekara, Dumidu/E-6346-2017
NR 32
TC 11
Z9 11
U1 1
U2 9
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0029-5493
EI 1872-759X
J9 NUCL ENG DES
JI Nucl. Eng. Des.
PD JUL
PY 2011
VL 241
IS 7
BP 2549
EP 2557
DI 10.1016/j.nucengdes.2011.04.045
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 802EZ
UT WOS:000293493400021
ER
PT J
AU Gounder, R
Iglesia, E
AF Gounder, Rajamani
Iglesia, Enrique
TI Catalytic Alkylation Routes via Carbonium-Ion-Like Transition States on
Acidic Zeolites
SO CHEMCATCHEM
LA English
DT Article
DE alkylation; Bronsted acid; carbonium ion; cracking; zeolites
ID PROPANE AROMATIZATION; PHOSPHOTUNGSTIC ACID; LOCAL-STRUCTURE;
CONVERSION; CRACKING; METHANE; CHEMISTRY; MECHANISM; ETHYLENE; ALKENES
C1 [Gounder, Rajamani; Iglesia, Enrique] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
[Iglesia, Enrique] EO Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Iglesia, E (reprint author), Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
EM iglesia@berkeley.edu
RI Iglesia, Enrique/D-9551-2017
OI Iglesia, Enrique/0000-0003-4109-1001
FU Chevron Energy Technology Company
FX We acknowledge the financial support from the Chevron Energy Technology
Company.
NR 31
TC 3
Z9 3
U1 2
U2 32
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1867-3880
J9 CHEMCATCHEM
JI ChemCatChem
PD JUL
PY 2011
VL 3
IS 7
BP 1134
EP 1138
DI 10.1002/cctc.201100051
PG 5
WC Chemistry, Physical
SC Chemistry
GA 800RT
UT WOS:000293384000006
ER
PT J
AU Wang, HM
Iglesia, E
AF Wang, Huamin
Iglesia, Enrique
TI Mechanism and Site Requirements of Thiophene Hydrodesulfurization
Catalyzed by Supported Pt Clusters
SO CHEMCATCHEM
LA English
DT Article
DE cluster-size effect; hydrodesulfurization; kinetics; platinum; reaction
mechanisms; thiophene
ID TRANSITION-METAL SULFIDES; STRUCTURAL REQUIREMENTS; HYDROTREATING
CATALYSIS; SULFUR CHEMISORPTION; REACTION PATHWAYS; CARBON; MODEL;
DESULFURIZATION; THERMODYNAMICS; ADSORPTION
AB Kinetic, isotopic, and chemical analysis methods are used to examine the identity and kinetic relevance of elementary steps and the effects of Pt cluster size on thiophene hydrodesulfurization (HDS) turnover rates. Quasi-equilibrated H(2) and H(2)S heterolytic dissociation steps lead to sulfur chemical potentials given by the prevalent H(2)S/H(2) ratio and to cluster surfaces with a metallic bulk, but near-saturation sulfur coverages, during steady-state catalysis. Sulfur-vacancies on such surfaces are required for eta(1)(S) or eta(4) thiophene adsorption modes and for H2 and H2S dissociation steps. H-assisted C-S bond cleavage of eta(1)(S) thiophene and H-addition to eta(4) thiophene limits rates of direct desulfurization and hydrogenation sulfur removal pathways, respectively. These steps, their kinetic relevance, and the prevalent sulfur-saturated surfaces resemble those on Ru clusters; they are also consistent with the observed kinetic effects of reactants and products on rates, with the rapid isotopic exchange in H(2)/D(2)/H(2)S mixtures during HDS catalysis, and with measured H(2)/D(2) kinetic isotope effects. Small Pt clusters exhibit lower turnover rates, stronger inhibition by H(2)S, and a greater preference for desulfurization pathways than those of large clusters. These effects reflect the prevalence of coordinatively unsaturated corner and edge sites on small clusters, which bind sulfur atoms more strongly and lead to lower densities of vacancies and to a preference for eta(1)(S)-bound thiophene species. Sulfur binding energies and their concomitant effects on the number of available vacancies also account for the higher turnover rates measured on Pt clusters compared with Ru clusters of similar size. These data and their mechanistic interpretation suggest that the concepts and steps proposed here apply generally to hydrogenation and direct desulfurization of organosulfur compounds. Taken together with similar observed effects of oxygen binding strength, metal identity, and cluster size for oxidation reactions of NO, hydrocarbons, and oxygenates, which also require vacancies in their respective kinetically relevant steps, these data also indicate that low reactivity of small clusters may reflect in most instances their coordinative unsaturation and the concomitant kinetic and thermodynamic preference for low vacancy concentrations on nearly saturated surfaces.
C1 [Wang, Huamin; Iglesia, Enrique] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Wang, Huamin; Iglesia, Enrique] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
RP Iglesia, E (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
EM iglesia@berkeley.edu
RI Wang, Huamin/J-8701-2012; Iglesia, Enrique/D-9551-2017
OI Iglesia, Enrique/0000-0003-4109-1001
FU Office of Basic Energy Sciences, Chemical Sciences Division of the US
Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Director, Office of Basic Energy
Sciences, Chemical Sciences Division of the US Department of Energy
under Contract DE-AC02-05CH11231. The authors acknowledge Drs. David
Flaherty, Zhijie Wu, Ms. Cathy Chin, and Mr. Brett Loveless of the
University of California at Berkeley for their careful review of the
contents and conclusions of this manuscript. The authors also thank Dr.
Monica Garcia-Dieguez of the University of California at Berkeley for
help with the measurement of H2 and D2 adsorption
isotherms.
NR 45
TC 16
Z9 17
U1 4
U2 52
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1867-3880
J9 CHEMCATCHEM
JI ChemCatChem
PD JUL
PY 2011
VL 3
IS 7
BP 1166
EP 1175
DI 10.1002/cctc.201100027
PG 10
WC Chemistry, Physical
SC Chemistry
GA 800RT
UT WOS:000293384000013
ER
PT J
AU Aad, G
Abbott, B
Abdallah, J
Abdelalim, AA
Abdesselam, A
Abdinov, O
Abi, B
Abolins, M
Abramowicz, H
Abreu, H
Acerbi, E
Acharya, BS
Adams, DL
Addy, N
Adelman, J
Aderholz, M
Adomeit, S
Adragna, P
Adye, T
Aefsky, S
Aguilar-Saavedra, JA
Aharrouche, M
Ahlen, SP
Ahles, F
Ahmad, A
Ahsan, M
Aielli, G
Akdogan, T
Akesson, TPA
Akimoto, G
Akimov, AV
Akiyama, A
Alam, MS
Alam, MA
Albrand, S
Aleksa, M
Aleksandrov, IN
Alessandria, F
Alexa, C
Alexander, G
Alexandre, G
Alexopoulos, T
Alhroob, M
Aliev, M
Alimonti, G
Alison, J
Aliyev, M
Allport, PP
Allwood-Spiers, SE
Almond, J
Aloisio, A
Alon, R
Alonso, A
Alviggi, MG
Amako, K
Amaral, P
Amelung, C
Ammosov, VV
Amorim, A
Amoros, G
Amram, N
Anastopoulos, C
Andeen, T
Anders, CF
Anderson, KJ
Andreazza, A
Andrei, V
Andrieux, ML
Anduaga, XS
Angerami, A
Anghinolfi, F
Anjos, N
Annovi, A
Antonaki, A
Antonelli, M
Antonelli, S
Antonov, A
Antosb, J
Anulli, F
Aoun, S
Bella, LA
Apolle, R
Arabidze, G
Aracena, I
Arai, Y
Arce, ATH
Archambault, JP
Arfaoui, S
Arguin, JF
Arik, E
Arik, M
Armbruster, AJ
Arnaez, O
Arnault, C
Artamonov, A
Artoni, G
Arutinov, D
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Asfandiyarov, R
Ask, S
Asman, B
Asquith, L
Assamagan, K
Astbury, A
Astvatsatourov, A
Atoian, G
Aubert, B
Auerbach, B
Auge, E
Augsten, K
Aurousseau, M
Austin, N
Avramidou, R
Axen, D
Ay, C
Azuelos, G
Azuma, Y
Baak, MA
Baccaglioni, G
Bacci, C
Bach, AM
Bachacou, H
Bachas, K
Bachy, G
Backes, M
Backhaus, M
Badescu, E
Bagnaia, P
Bahinipati, S
Bai, Y
Bailey, DC
Bain, T
Baines, JT
Baker, OK
Baker, MD
Baker, S
Pedrosa, FBD
Banas, E
Banerjee, P
Banerjee, S
Banfi, D
Bangert, A
Bansal, V
Bansil, HS
Barak, L
Baranov, SP
Barashkou, A
Galtieri, AB
Barber, T
Barberio, EL
Barberis, D
Barbero, M
Bardin, DY
Barillari, T
Barisonzi, M
Barklow, T
Barlow, N
Barnett, BM
Barnett, RM
Baroncelli, A
Barr, AJ
Barreiro, F
da Costa, JBG
Barrillon, P
Bartoldus, R
Barton, AE
Bartsch, D
Bartsch, V
Bates, RL
Batkova, L
Batley, JR
Battaglia, A
Battistin, M
Battistoni, G
Bauer, F
Bawa, HS
Beare, B
Beau, T
Beauchemin, PH
Beccherle, R
Bechtle, P
Beck, HP
Beckingham, M
Becks, KH
Beddall, AJ
Beddall, A
Bedikian, S
Bednyakov, VA
Bee, P
Begel, M
Harpaz, SB
Behera, PK
Beimforde, M
Belanger-Champagne, C
Bell, PJ
Bell, WH
Bella, G
Bellagamba, L
Bellina, F
Bellomo, M
Belloni, A
Beloborodova, O
Belotskiy, K
Beltramello, O
Ben Ami, S
Benary, O
Benchekroun, D
Benchouk, C
Bendel, M
Benedict, BH
Benekos, N
Benhammou, Y
Benjamin, DP
Benoit, M
Bensinger, JR
Benslama, K
Bentvelsen, S
Berge, D
Kuutmann, EB
Berger, N
Berghaus, F
Berglund, E
Beringer, J
Bernardet, K
Bernat, P
Bernhard, R
Bernius, C
Berry, T
Bertin, A
Bertinelli, F
Bertolucci, F
Besana, MI
Besson, N
Bethke, S
Bhimji, W
Bianchi, RM
Bianco, M
Biebel, O
Bieniek, SP
Biesiada, J
Biglietti, M
Bilokon, H
Bindi, M
Binet, S
Bingul, A
Bini, C
Biscarat, C
Bitenc, U
Black, KM
Blair, RE
Blanchard, JB
Blanchot, G
Blocker, C
Blocki, J
Blondel, A
Blum, W
Blumenschein, U
Bobbink, GJ
Bobrovnikov, VB
Bocchetta, SS
Bocci, A
Boddy, CR
Boehler, M
Boek, J
Boelaert, N
Boser, S
Bogaerts, JA
Bogdanchikov, A
Bogouch, A
Bohm, C
Boisvert, V
Bold, T
Boldea, V
Bona, M
Bondarenko, VG
Boonekamp, M
Boorman, G
Booth, CN
Booth, P
Bordoni, S
Borer, C
Borisov, A
Borissov, G
Borjanovic, I
Borroni, S
Bos, K
Boscherini, D
Bosman, M
Boterenbrood, H
Botterill, D
Bouchami, J
Boudreau, J
Bouhova-Thacker, EV
Boulahouache, C
Bourdarios, C
Bousson, N
Boveia, A
Boyd, J
Boyko, IR
Bozhko, NI
Bozovic-Jelisavcic, I
Bracinik, J
Braem, A
Branchini, P
Brandenburg, GW
Brandt, A
Brandt, G
Brandt, O
Bratzler, U
Brau, B
Brau, JE
Braun, HM
Brelier, B
Bremer, J
Brenner, R
Bressler, S
Breton, D
Brett, ND
Britton, D
Brochu, FM
Brock, I
Brock, R
Brodbeck, TJ
Brodet, E
Broggi, F
Bromberg, C
Brooijmans, G
Brooks, WK
Brown, G
Brubaker, E
de Renstrom, PAB
Bruncko, D
Bruneliere, R
Brunet, S
Bruni, A
Bruni, G
Bruschi, M
Buanes, T
Bucci, F
Buchanan, J
Buchanan, NJ
Buchholz, P
Buckingham, RM
Buckley, AG
Buda, SI
Budagov, IA
Budick, B
Buscher, V
Bugge, L
Buira-Clark, D
Buis, EJ
Bulekov, O
Bunse, M
Buran, T
Burckhart, H
Burdin, S
Burgess, T
Burke, S
Busato, E
Bussey, P
Buszello, CP
Butin, F
Butler, B
Butler, JM
Buttar, CM
Butterworth, JM
Buttinger, W
Byatt, T
Urban, SC
Caforio, D
Cakir, O
Calafiura, P
Calderini, G
Calfayan, P
Calkins, R
Caloba, LP
Caloi, R
Calvet, D
Calvet, S
Toro, RC
Camard, A
Camarri, P
Cambiaghi, M
Cameron, D
Cammin, J
Campana, S
Campanelli, M
Canale, V
Canelli, F
Canepa, A
Cantero, J
Capasso, L
Garrido, MDMC
Caprini, I
Caprini, M
Capriotti, D
Capua, M
Caputo, R
Caramarcu, C
Cardarelli, R
Carli, T
Carlino, G
Carminati, L
Caron, B
Caron, S
Carpentieri, C
Montoya, GDC
Carter, AA
Carter, JR
Carvalho, J
Casadei, D
Casado, MP
Cascella, M
Caso, C
Hernandez, AMC
Castaneda-Miranda, E
Gimenez, VC
Castro, NF
Cataldi, G
Cataneo, F
Catinaccio, A
Catmore, JR
Cattai, A
Cattani, G
Caughron, S
Cauz, D
Cavallari, A
Cavalleri, P
Cavalli, D
Cavalli-Sforza, M
Cavasinni, V
Cazzato, A
Ceradini, F
Cerqueira, AS
Cerri, A
Cerrito, L
Cerutti, F
Cetin, SA
Cevenini, F
Chafaq, A
Chakraborty, D
Chan, K
Chapleau, B
Chapman, JD
Chapman, JW
Chareyre, E
Charlton, DG
Chavda, V
Cheatham, S
Chekanov, S
Chekulaev, SV
Chelkov, GA
Chelstowska, MA
Chen, C
Chen, H
Chen, L
Chen, S
Chen, T
Chen, X
Cheng, S
Cheplakov, A
Chepurnov, VF
El Moursli, RC
Chernyatin, V
Cheu, E
Cheung, SL
Chevalier, L
Chiefari, G
Chikovani, L
Childers, JT
Chilingarov, A
Chiodini, G
Chizhov, MV
Choudalakis, G
Chouridou, S
Christidi, IA
Christov, A
Chromek-Burckhart, D
Chu, ML
Chudoba, J
Ciapetti, G
Ciba, K
Ciftci, AK
Ciftci, R
Cinca, D
Cindro, V
Ciobotaru, MD
Ciocca, C
Ciocio, A
Cirilli, M
Ciubancan, M
Clark, A
Clark, PJ
Cleland, W
Clemens, JC
Clement, B
Clement, C
Clifft, RW
Coadou, Y
Cobal, M
Coccaro, A
Cochran, J
Coe, P
Cogan, JG
Coggeshall, J
Cogneras, E
Cojocaru, CD
Colas, J
Colijn, AP
Collard, C
Collins, NJ
Collins-Tooth, C
Collot, J
Colon, G
Comune, G
Muino, PC
Coniavitis, E
Conidi, MC
Consonni, M
Constantinescu, S
Conta, C
Conventi, F
Cook, J
Cooke, M
Cooper, BD
Cooper-Sarkar, AM
Cooper-Smith, NJ
Copic, K
Cornelissen, T
Corradi, M
Corriveau, F
Cortes-Gonzalez, A
Cortiana, G
Costa, G
Costa, MJ
Costanzo, D
Costin, T
Cote, D
Torres, RC
Courneyea, L
Cowan, G
Cowden, C
Cox, BE
Cranmer, K
Crescioli, F
Cristinziani, M
Crosetti, G
Crupi, R
Crepe-Renaudin, S
Almenar, CC
Donszelmann, TC
Cuneo, S
Curatolo, M
Curtis, CJ
Cwetanski, P
Czirr, H
Czyczula, Z
D'Auria, S
D'Onofrio, M
D'Orazio, A
Mello, ADG
Da Silva, PVM
Da Via, C
Dabrowski, W
Dahlhoff, A
Dai, T
Dallapiccola, C
Dallison, SJ
Dam, M
Dameri, M
Damiani, DS
Danielsson, HO
Dankers, R
Dannheim, D
Dao, V
Darbo, G
Darlea, GL
Daum, C
Dauvergne, JP
Davey, W
Davidek, T
Davidson, N
Davidson, R
Davies, M
Davison, AR
Dawe, E
Dawson, I
Dawson, JW
Daya, RK
De, K
de Asmundis, R
De Castro, S
Salgado, PEDF
De Cecco, S
de Graat, J
De Groot, N
de Jong, P
De la Taille, C
De la Torre, H
De Lotto, B
De Mora, L
De Nooij, L
Branco, MD
De Pedis, D
de Saintignon, P
De Salvo, A
De Sanctis, U
De Santo, A
De Regie, JBD
Dean, S
Dedovich, DV
Degenhardt, J
Dehchar, M
Deile, M
Del Papa, C
Del Peso, J
Del Prete, T
Dell'Acqua, A
Dell'Asta, L
Della Pietra, M
della Volpe, D
Delmastro, M
Delpierre, P
Delruelle, N
Delsart, PA
Deluca, C
Demers, S
Demichev, M
Demirkoz, B
Deng, J
Denisov, SP
Derendarz, D
Derkaoui, JE
Derue, F
Dervan, P
Desch, K
Devetak, E
Deviveiros, PO
Dewhurst, A
DeWilde, B
Dhaliwal, S
Dhullipudi, R
Di Ciaccio, A
Di Ciaccio, L
Di Girolamo, A
Di Girolamo, B
Di Luise, S
Di Mattia, A
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CA ATLAS Collaboration
TI Search for supersymmetric particles in events with lepton pairs and
large missing transverse momentum in root s=7 TeV proton-proton
collisions with the ATLAS experiment
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID SUPERGAUGE TRANSFORMATIONS; LOCAL SUPERSYMMETRY; GRAND UNIFICATION;
MODEL; SQUARKS; GLUINOS; PHYSICS; FB(-1); STATES; PIONS
AB Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in root s = 7 TeV proton-proton collisions at the Large Hadron Collider. Search strategies requiring lepton pairs with identical-sign or opposite-sign electric charges are described. In a data sample corresponding to an integrated luminosity of 35 pb(-1) collected with the ATLAS detector, no significant excesses are observed. Based on specific benchmark models, limits are placed on the squark mass between 450 and 690 GeV for squarks approximately degenerate in mass with gluinos, depending on the supersymmetric mass hierarchy considered.
C1 [Alam, M. S.; Ernst, J.; Rojo, V.] SUNY Albany, Albany, NY 12222 USA.
[ATLAS Collaboration] CERN, CH-1211 Geneva 23, Switzerland.
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[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.; Berger, N.; Colas, J.; Di Ciaccio, L.; Doan, T. K. O.; Elles, S.; Ghez, P.; Gouanere, M.; Goy, C.; Guillemin, T.; Helary, L.; Hryn'ova, T.; Ionescu, G.; Jeremie, A.; Jezequel, S.; Kataoka, M.; Labbe, J.; Lafaye, R.; Leveque, J.; 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.
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[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.
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[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.; Succurro, A.; 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.; Succurro, A.; Sushkov, S.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] ICREA, Barcelona, Spain.
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[Antonelli, S.; Bertin, A.; Bindi, M.; Caforio, D.; Cambiaghi, M.; Ciocca, C.; Conta, C.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Livan, M.; Massa, I.; Mengarelli, A.; Monzani, S.; Negri, A.; Piccinini, M.; Rebuzzi, D. M.; Rimoldi, A.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Uslenghi, M.; Valentinetti, S.; Villa, M.; Vitale, A.; Zoccoli, A.] Univ Bologna, Dipartmento Fis, Bologna, Italy.
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[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.
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[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.] Univ Politehn Bucuresti, Bucharest, Romania.
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.; Gillberg, D.; 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.; Anghinolfi, F.; Baak, M. A.; Bachas, K.; Bachy, G.; Pedrosa, F. Baltasar Dos Santos; Banfi, D.; Battistin, M.; Bellina, F.; Berge, D.; Bertinelli, F.; Blanchot, G.; Bogaerts, J. A.; Boyd, J.; Braem, A.; Bremer, J.; Burckhart, H.; Butin, F.; Garrido, M. D. M. Capeans; 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.; Di Girolamo, A.; Di Girolamo, B.; Di Micco, B.; Dittus, F.; Dobson, E.; Dopke, J.; Drevermann, H.; Dudarev, A.; Duehrssen, M.; Dunford, M.; Dydak, F.; Elsing, M.; Fabre, C.; Fedorko, I.; Flammer, J.; Foussat, A.; Francis, D.; Froidevaux, D.; Torregrosa, E. Fullana; Gabaldon, C.; Gayde, J. -C.; Gianotti, F.; Godlewski, J.; Gonidec, A.; Goossens, L.; Gorini, B.; Gray, H. M.; Grognuz, J.; Gruwe, M.; Hahn, F.; Hatch, M.; Hauschild, M.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Huhtinen, M.; Inigo-Golfin, J.; Joram, C.; Kaplon, J.; Knobloch, J.; Koblitz, B.; Koeneke, K.; Kollar, D.; Kotamaeki, M. J.; Kvita, J.; La Rosa, A.; Lamanna, M.; Lantzsch, K.; Lasseur, C.; Lassnig, M.; Miotto, G. Lehmann; Magnoni, L.; Mapelli, A.; Mapelli, L.; Marchand, J. F.; Martin, B.; Maugain, J. M.; Menot, C.; Messina, A.; Molina-Perez, J.; Morley, A. K.; Mornacchi, G.; Muenstermann, D.; Nairz, A. M.; Negri, G.; Nessi, M.; Nicquevert, B.; Nordberg, M.; Pastore, Fr.; Pernegger, H.; Petersen, B. A.; Petersen, J.; Piacquadio, G.; Pommes, K.; Poppleton, A.; Poulard, G.; Pribyl, L.; Price, M. J.; Raymond, M.; Rembser, C.; Dos Santos, D. Roda; Salzburger, A.; Savu, D. O.; Schott, M.; Schuler, G.; Sfyrla, A.; Sloper, J.; Spigo, G.; Stanecka, E.; Stockton, M. C.; 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.; Vandoni, G.; Varela Rodriguez, F.; Vinek, E.; Wilkens, H. G.; Winklmeier, F.; Wotschack, J.; Zsenei, A.; Zwalinski, L.] CERN, Geneva, Switzerland.
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[Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile.
[Han, H.; Lu, F.; Ouyang, Q.; Shan, L. Y.; Tong, G.; Xie, Y.; Xu, G.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
[Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Wang, H.; Wu, Y.; Xu, C.; Zhang, D.; Zhao, Z.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, 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.] 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.] Univ Calabria, INFN Grp Collegato Cosenza, I-87030 Commenda 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.; Ilchenko, Y.; 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.; 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; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Gregor, I. M.; Hiller, K. H.; Hristova, I.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kowalski, H.; 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; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Gregor, I. M.; Hiller, K. H.; Hristova, I.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kowalski, H.; 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.; Goessling, C.; Hirsch, F.; Klaiber-Lodewigs, J.; Klingenberg, R.; Krasel, O.; Mass, M.; 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, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland.
[Griesmayer, E.] Fachhochsch 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.; Volpi, G.; Wen, M.] INFN Lab Nazl Frascati, Frascati, Italy.
[Aad, G.; Ahles, F.; Beckingham, M.; Bernhard, R.; Bitenc, U.; Bruneliere, R.; Caron, S.; Carpentieri, C.; Christov, A.; 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.; 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.
[Abdelalim, A. A.; Alexandre, G.; Backes, M.; Bell, P. J.; Bell, W. H.; Berglund, E.; Blondel, A.; Bucci, F.; Clark, A.; Dao, V.; 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.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland.
[Barberis, D.; Beccherle, R.; Caso, C.; Coccaro, A.; Cuneo, S.; Dameri, M.; Darbo, G.; Parodi, A. Ferretto; Gagliardi, G.; Gemme, C.; Morettini, P.; Olcese, M.; Osculati, B.; Parodi, F.; Rossi, L. P.; Saavedra, A. F.; Schiavi, C.] Univ Geneva, INFN Sez Genova, Geneva, Switzerland.
[Chikovani, L.; Djobava, T.; Khubua, J.; Magradze, E.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, Inst Phys, GE-380060 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.
[Astvatsatourov, A.; Dueren, 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.; St Denis, R. D.; Steele, G.; Stewart, G. A.; Thompson, A. S.; Wraight, K.; Wright, C.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland.
[Ay, C.; Blumenschein, U.; Brandt, O.; Erdmann, J.; Evangelakou, D.; George, M.; 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.; 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.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, Grenoble, France.
[Addy, N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[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.; Foehlisch, 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 Phys, Heidelberg, 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.
[Chen, C.; 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.; Huseynov, N.; Kalinovskaya, L. V.; Kazarinov, M. Y.; Kekelidze, G. D.; Kharchenko, D.; Khovanskiy, N.; Khramov, E.; Kolesnikov, V.; Kruchonak, U.; 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.; Rumyantsev, L.; Rusakovich, N. A.; Sadykov, R.; Sisakyan, A. N.; Topilin, N. D.; Trocme, B.; Vinogradov, V. B.; Zhemchugov, A.] Joint Inst Nucl Res 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.
[Akiyama, A.; 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.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Buenos Aires, 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.; Cataldi, G.; Cazzato, A.; Chiodini, G.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] Univ Salento, INFN Sez Lecce, 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.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia.
[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.
[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.; Kuna, M.; 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.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France.
[Akesson, T. P. A.; Alonso, A.; Bocchetta, S. S.; 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.; Cantero, J.; De la Torre, H.; 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.; Buescher, 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.; Hughes-Jones, R. E.; 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.; Le Guirriec, E.; 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.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; 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.; Turra, R.; Vegni, G.; Volpini, G.] Univ Milan, INFN Sez Milano, Milan, Italy.
[Acerbi, E.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; 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.; Turra, R.; Vegni, G.; Volpini, 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.
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.; Taylor, F. E.] 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 Phys Inst, Moscow, Russia.
[Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] ITEP, Moscow, 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.
[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.; Goettfert, T.; Groh, M.; Haefner, P.; Hauff, D.; 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.] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 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.
[Gorelov, I.; Hoeferkamp, M. R.; Metcalfe, J.; Seidel, S. C.; Toms, K.; Wang, R.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA.
[Chelstowska, M. A.; Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Konig, A. C.; Koetsveld, F.; 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.
[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.] BINP, Novosibirsk, Russia.
[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.
[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.; Bourdarios, C.; Breton, D.; Collard, C.; De la Taille, C.; De Regie, J. B. De Vivie; Falou, A. C.; Fournier, D.; Hrivnac, J.; Idarraga, J.; Lounis, A.; Niedercorn, F.; Renaud, A.; Rousseau, D.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Vukotic, I.; Wicek, F.; Zerwas, D.] 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.; 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.
[Cambiaghi, M.; Conta, C.; 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.; Crescioli, F.; 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.
[Amorim, A.; Anjos, N.; Carvalho, J.; Castro, N. F.; Conde Muino, P.; Do Valle Wemans, A.; Fernandes, B.; Fiolhais, M. C. N.; Gomes, A.; Jorge, P. M.; Lopes, L.; Miguens, J. Machado; Martins, P. J. Magalhaes; 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.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, 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.] Inst High Energy Phys, State Res Ctr, 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.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; 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.
[Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Cavallari, A.; Ciapetti, G.; D'Orazio, A.; Dionisi, C.; Gentile, S.; Giagu, S.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Rosati, S.; 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.] Univ Roma Tor Vergata, INFN Sez Roma Tor Vergata, Rome, Italy.
[Bacci, C.; Baroncelli, A.; Biglietti, M.; Branchini, P.; Ceradini, F.; Di Luise, S.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Passeri, A.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Spiriti, E.; Stanescu, C.] Univ Roma Tre, INFN Sez Roma Tre, Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummada, A.; Lablak, S.] Reseau Univ Phys Hautes Energies Univ Hassan II, Fac Sci Ain Chock, Casablanca, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Boonekamp, M.; Chevalier, L.; 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.] CEA Saclay, DSM IRFU Inst Rech Lois Fondament Univers, Commissariat Energie Atom, 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.; 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.; Vetterli, M. C.] 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.; Kenney, C. J.; 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.; 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.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia.
[Antosb, J.; Bruncko, D.; Ferencei, J.; Kladiva, E.; Seman, M.; Strizenec, P.] Slovak Acad Sci, Inst Expt Phys, Dept Subnuclear Phys, Kosice 04353, Slovakia.
[Aurousseau, M.] 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, S-10691 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.; 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.; Azuma, Y.; Dohmae, T.; Imori, M.; 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.; 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.; Tardif, D.; Teuscher, R. J.; Thompson, P. D.] Univ Toronto, Dept Phys, Toronto, ON, Canada.
[Taylor, W.] York Univ, 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, Sci & Technol Ctr, Medford, MA 02155 USA.
[Losada, M.; Loureiro, K. F.; Mendoza Navas, L.; Navarro, G.; Rodriguez, D.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia.
[Benedict, B. H.; 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.; Del Papa, C.; Pinamonti, M.; Shaw, K.; Suruliz, K.] INFN Grp Coll Udine, Udine, Italy.
[Acharya, B. S.; Orestano, D.; Suruliz, K.] Abdus Salaam Int Ctr Theoret Phys, Trieste, 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.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Garcia-Estan, M. T. Perez; 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.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Minano, M.; Moreno Llacer, M.; Oliver Garcia, E.; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; 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.
[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.; 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.; MelladoGarcia, B. R.; 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.; Stroehmer, R.; Trefzger, T.] Univ Wurzburg, Fak Phys & Astron, Wurzburg, Germany.
[Barisonzi, M.; Becks, K. H.; Boek, J.; Braun, H. M.; 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.; Bedikian, S.; 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.; Cogneras, E.; Rahal, G.] Ctr Calcul CNRS IN2P3, Villeurbanne, France.
Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal.
Univ Lisbon, Fac Ciencias, Lisbon, Portugal.
Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland.
Univ Coimbra, Dept Phys, Coimbra, Portugal.
Univ Napoli Parthenope, Naples, Italy.
Louisiana Tech Univ, Ruston, LA 71270 USA.
Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada.
Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan.
Univ Hamburg, Inst Expt Phys, Hamburg, Germany.
Manhattan Coll, New York, NY USA.
Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou, Peoples R China.
Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei, Taiwan.
CALTECH, Pasadena, CA 91125 USA.
Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England.
Univ Geneva, Sect Phys, Geneva, Switzerland.
Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA.
KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary.
Jagiellonian Univ, Inst Phys, Krakow, Poland.
Univ Oxford, Dept Phys, Oxford, England.
[Yuan, L.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France.
[Zhong, J.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China.
RP Aad, G (reprint author), SUNY Albany, Albany, NY 12222 USA.
RI Losada, Marta/B-2261-2010; Jakubek, Jan/E-6530-2011; valente,
paolo/A-6640-2010; Smirnov, Sergei/F-1014-2011; Fazio, Salvatore
/G-5156-2010; Bauer, Florian/G-8816-2011; Marti-Garcia,
Salvador/F-3085-2011; Doyle, Anthony/C-5889-2009; Laycock,
Paul/F-7543-2011; Conde Muino, Patricia/F-7696-2011; Stoicea,
Gabriel/B-6717-2011; Robson, Aidan/G-1087-2011; Smirnova,
Lidia/D-8089-2012; 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; Karyukhin, Andrey/J-3904-2014; Capua,
Marcella/A-8549-2015; Tartarelli, Giuseppe Francesco/A-5629-2016; la
rotonda, laura/B-4028-2016; Idzik, Marek/A-2487-2017; Solodkov,
Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Zhou,
Ning/D-1123-2017; Yang, Haijun/O-1055-2015; Monzani, Simone/D-6328-2017;
Grancagnolo, Francesco/K-2857-2015; Korol, Aleksandr/A-6244-2014;
Vranjes Milosavljevic, Marija/F-9847-2016; SULIN, VLADIMIR/N-2793-2015;
Olshevskiy, Alexander/I-1580-2016; 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; Gavrilenko,
Igor/M-8260-2015; Jones, Roger/H-5578-2011; Chekulaev,
Sergey/O-1145-2015; Gorelov, Igor/J-9010-2015; Carvalho,
Joao/M-4060-2013; Booth, Christopher/B-5263-2016; Tikhomirov,
Vladimir/M-6194-2015; 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; 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; 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; Shmeleva, Alevtina/M-6199-2015; Camarri,
Paolo/M-7979-2015; 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; 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; 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; 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; Annovi, Alberto/G-6028-2012; Brooks,
William/C-8636-2013; Pina, Joao /C-4391-2012; Vanyashin,
Aleksandr/H-7796-2013; Casadei, Diego/I-1785-2013; La Rosa,
Alessandro/I-1856-2013; Moraes, Arthur/F-6478-2010; Boyko,
Igor/J-3659-2013; 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; Di Micco, Biagio/J-1755-2012; spagnolo,
stefania/A-6359-2012; Di Nardo, Roberto/J-4993-2012; Della Pietra,
Massimo/J-5008-2012; Andreazza, Attilio/E-5642-2011; Rotaru,
Marina/A-3097-2011; Bergeaas Kuutmann, Elin/A-5204-2013; Cascella,
Michele/B-6156-2013; messina, andrea/C-2753-2013; de Groot,
Nicolo/A-2675-2009; Amorim, Antonio/C-8460-2013; Orlov,
Ilya/E-6611-2012; Gutierrez, Phillip/C-1161-2011; Ferrando,
James/A-9192-2012; collins-tooth, christopher/A-9201-2012; Perrino,
Roberto/B-4633-2010; De Cecco, Sandro/B-1016-2012; branchini,
paolo/A-4857-2011; Wolter, Marcin/A-7412-2012; McKee, Shawn/B-6435-2012;
Nemecek, Stanislav/C-3487-2012; Buttar, Craig/D-3706-2011; Takai,
Helio/C-3301-2012; St.Denis, Richard/C-8997-2012; Britton,
David/F-2602-2010; Li, Xuefei/C-3861-2012
OI valente, paolo/0000-0002-5413-0068; Smirnov, Sergei/0000-0002-6778-073X;
Doyle, Anthony/0000-0001-6322-6195; Conde Muino,
Patricia/0000-0002-9187-7478; Stoicea, Gabriel/0000-0002-7511-4614;
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;
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; 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;
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; Vranjes Milosavljevic,
Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495;
Olshevskiy, Alexander/0000-0002-8902-1793; 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; Jones, Roger/0000-0002-6427-3513; Gorelov,
Igor/0000-0001-5570-0133; Carvalho, Joao/0000-0002-3015-7821; Booth,
Christopher/0000-0002-6051-2847; Tikhomirov,
Vladimir/0000-0002-9634-0581; 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;
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; Ferrer,
Antonio/0000-0003-0532-711X; Hansen, John/0000-0002-8422-5543;
Grancagnolo, Sergio/0000-0001-8490-8304; Camarri,
Paolo/0000-0002-5732-5645; 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; 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; 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; Morozov, Sergey/0000-0002-6748-7277; Villa,
Mauro/0000-0002-9181-8048; Annovi, Alberto/0000-0002-4649-4398; Brooks,
William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Vanyashin,
Aleksandr/0000-0002-0367-5666; La Rosa, Alessandro/0000-0001-6291-2142;
Moraes, Arthur/0000-0002-5157-5686; Boyko, Igor/0000-0002-3355-4662;
Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci,
Elena/0000-0002-5347-7764; spagnolo, stefania/0000-0001-7482-6348; Della
Pietra, Massimo/0000-0003-4446-3368; Andreazza,
Attilio/0000-0001-5161-5759; Rotaru, Marina/0000-0003-3303-5683;
Cascella, Michele/0000-0003-2091-2501; Orlov, Ilya/0000-0003-4073-0326;
Ferrando, James/0000-0002-1007-7816; Perrino,
Roberto/0000-0002-5764-7337; McKee, Shawn/0000-0002-4551-4502; Takai,
Helio/0000-0001-9253-8307; Britton, David/0000-0001-9998-4342;
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS,
Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada;
NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; MOST, China;
NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR,
Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark;
Lundbeck Foundation, Denmark; ARTEMIS; European Union; IN2P3-CNRS,
France; CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, Germany; DFG,
Germany; HGF, Germany; MPG, Germany; AvH Foundation, Germany; GSRT,
Greece; ISF, Israel; MINERVA, Israel; GIF, Israel; DIP, Israel; Benoziyo
Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco;
FOM, Netherlands; NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES,
Portugal; FCT, Portugal; MERYS (MECTS), Romania; MES of Russia; ROSATOM,
Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS, Slovenia;
MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC, Sweden;
Wallenberg Foundation, Sweden; SER, Switzerland; SNSF and Cantons of
Bern, Switzerland; Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC,
United Kingdom; Royal Society, United Kingdom; Leverhulme Trust, United
Kingdom; DOE, United States of America; NSF, United States of America
FX We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC,
Australia; 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, 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.
NR 56
TC 32
Z9 32
U1 9
U2 61
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1434-6044
EI 1434-6052
J9 EUR PHYS J C
JI Eur. Phys. J. C
PD JUL
PY 2011
VL 71
IS 7
AR 1682
DI 10.1140/epjc/s10052-011-1682-6
PG 19
WC Physics, Particles & Fields
SC Physics
GA 799OL
UT WOS:000293295900015
ER
PT J
AU Aad, G
Abbott, B
Abdallah, J
Abdelalim, AA
Abdesselam, A
Abdinov, O
Abi, B
Abolins, M
Abramowicz, H
Abreu, H
Acerbia, E
Acharya, BS
Adams, DL
Addy, TN
Adelman, J
Aderholz, M
Adomeit, S
Adragna, P
Adye, T
Aefsky, S
Aguilar-Saavedra, JA
Aharrouche, M
Ahlen, SP
Ahles, F
Ahmad, A
Ahsan, M
Aielli, G
Akdogan, T
Akesson, TPA
Akimoto, G
Akimov, AV
Akiyama, A
Alam, MS
Alam, MA
Albrand, S
Aleksa, M
Aleksandrov, IN
Alessandria, F
Alexa, C
Alexander, G
Alexandre, G
Alexopoulos, T
Alhroob, M
Aliev, M
Alimonti, G
Alison, J
Aliyev, M
Allport, PP
Allwood-Spiers, SE
Almond, J
Aloisio, A
Alon, R
Alonso, A
Alviggi, MG
Amako, K
Amaral, P
Amelung, C
Ammosov, VV
Amorim, A
Amoros, G
Amram, N
Anastopoulos, C
Andeen, T
Anders, CF
Anderson, KJ
Andreazza, A
Andrei, V
Andrieux, ML
Anduaga, XS
Angerami, A
Anghinolfi, F
Anjos, N
Annovi, A
Antonaki, A
Antonelli, M
Antonelli, S
Antonov, A
Antos, J
Anulli, F
Aoun, S
Bella, LA
Apolle, R
Arabidze, G
Aracena, I
Arai, Y
Arce, ATH
Archambault, JP
Arfaoui, S
Arguin, JF
Arik, E
Arik, M
Armbruster, AJ
Arnaez, O
Arnault, C
Artamonov, A
Artoni, G
Arutinov, D
Asai, S
Asfandiyarov, R
Ask, S
Asman, B
Asquith, L
Assamagan, K
Astbury, A
Astvatsatourov, A
Atoian, G
Aubert, B
Auerbach, B
Auge, E
Augsten, K
Aurousseau, M
Austin, N
Avramidou, R
Axen, D
Ay, C
Azuelos, G
Azuma, Y
Baak, MA
Baccaglioni, G
Bacci, C
Bach, AM
Bachacou, H
Bachas, K
Bachy, G
Backes, M
Backhaus, M
Badescu, E
Bagnaia, P
Bahinipati, S
Bai, Y
Bailey, DC
Bain, T
Baines, JT
Baker, OK
Baker, MD
Baker, S
Pedrosa, FBD
Banas, E
Banerjee, P
Banerjee, S
Banfi, D
Bangert, A
Bansal, V
Bansil, HS
Barak, L
Baranov, SP
Barashkou, A
Galtieri, AB
Barber, T
Barberio, EL
Barberis, D
Barbero, M
Bardin, DY
Barillari, T
Barisonzi, M
Barklow, T
Barlow, N
Barnett, BM
Barnett, RM
Baroncelli, A
Barr, AJ
Barreiro, F
da Costa, JBG
Barrillon, P
Bartoldus, R
Barton, AE
Bartsch, D
Bartsch, V
Bates, RL
Batkova, L
Batley, JR
Battaglia, A
Battistin, M
Battistoni, G
Bauer, F
Bawa, HS
Beare, B
Beau, T
Beauchemin, PH
Beccherle, R
Bechtle, P
Beck, HP
Beckingham, M
Becks, KH
Beddall, AJ
Beddall, A
Bedikian, S
Bednyakov, VA
Bee, CP
Begel, M
Harpaz, SB
Behera, PK
Beimforde, M
Belanger-Champagne, C
Bell, PJ
Bell, WH
Bella, G
Bellagamba, L
Bellina, F
Bellomo, M
Belloni, A
Beloborodova, O
Belotskiy, K
Beltramello, O
Ben Ami, S
Benary, O
Benchekroun, D
Benchouk, C
Bendel, M
Benedict, BH
Benekos, N
Benhammou, Y
Benjamin, DP
Benoit, M
Bensinger, JR
Benslama, K
Bentvelsen, S
Berge, D
Kuutmann, EB
Berger, N
Berghaus, F
Berglund, E
Beringer, J
Bernardet, K
Bernat, P
Bernhard, R
Bernius, C
Berry, T
Bertin, A
Bertinelli, F
Bertolucci, F
Besana, MI
Besson, N
Bethke, S
Bhimji, W
Bianchi, RM
Bianco, M
Biebel, O
Bieniek, SP
Biesiada, J
Biglietti, M
Bilokon, H
Bindi, M
Binet, S
Bingul, A
Bini, C
Biscarat, C
Bitenc, U
Black, KM
Blair, RE
Blanchard, JB
Blanchot, G
Blocker, C
Blocki, J
Blondel, A
Blum, W
Blumenschein, U
Bobbink, GJ
Bobrovnikov, VB
Bocchetta, SS
Bocci, A
Boddy, CR
Boehler, M
Boek, J
Boelaert, N
Boser, S
Bogaerts, JA
Bogdanchikov, A
Bogouch, A
Bohm, C
Boisvert, V
Bold, T
Boldea, V
Bona, M
Bondarenko, VG
Boonekamp, M
Boorman, G
Booth, CN
Booth, P
Bordoni, S
Borer, C
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CA ATLAS Collaboration
TI Search for an excess of events with an identical flavour lepton pair and
significant missing transverse momentum in root s=7 TeV proton-proton
collisions with the ATLAS detector
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID SUPERGAUGE TRANSFORMATIONS; MODEL; GENERATORS; PIONS
AB Results are presented of a search for particles decaying into final states with significant missing transverse momentum and exactly two identical flavour leptons (e, mu) of opposite charge in root s = 7 TeV collisions at the Large Hadron Collider. This channel is particularly sensitive to supersymmetric particle cascade decays producing flavour correlated lepton pairs. Flavour uncorrelated backgrounds are subtracted using a sample of opposite flavour lepton pair events. Observation of an excess beyond Standard Model expectations following this subtraction procedure would offer one of the best routes to measuring the masses of supersymmetric particles. In a data sample corresponding to an integrated luminosity of 35 pb(-1) no such excess is observed. Model-independent limits are set on the contribution to these final states from supersymmetry and are used to exclude regions of a phenomenological supersymmetric parameter space.
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[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.; Perez Codina, E.; Riu, I.; Rossetti, V.; Segura, E.; Succurro, A.; Trzupek, A.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] ICREA, Barcelona, Spain.
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[Battaglia, A.; Beck, H. P.; Borer, C.; Ereditato, A.; Martin, T. Fonseca; Haug, S.; Kabana, S.; Pretzl, K.; Topfel, C.; Venturi, N.] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland.
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[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.; Limbach, C.; Loddenkoetter, T.; Mathes, M.; Mazur, M.; Meuser, S.; Moeser, N.; Mueller, K.; Nanava, G.; Nattermann, T.; Nuncio-Quiroz, A. -E.; Nunes Hanninger, G.; Peric, I.; Poghosyan, T.; Psoroulas, S.; Radics, B.; Runolfsson, O.; Schaepe, S.; 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.
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[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.] Univ Politehn Bucuresti, Bucharest, Romania.
W Univ Timisoara, Timisoara, Romania.
[Gonzalez Silva, M. L.; 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.; Gillberg, D.; 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; 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.; Di Micco, B.; Dittus, F.; Dobinson, R.; Dobson, E.; Dopke, J.; 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.; Jenni, P.; Jonsson, O.; Joram, C.; Kaplon, J.; Kerschen, N.; Klioutchnikova, T.; Knobloch, J.; Koblitz, B.; Koeneke, K.; Koffas, T.; Kollar, D.; Kotamaeki, M. J.; Kvita, J.; La Rosa, A.; Lamanna, M.; Lantzsch, K.; Lasseur, C.; Lassnig, M.; Miotto, G. Lehmann; Lichard, P.; Magnoni, L.; Mapelli, A.; Mapelli, L.; Marchand, J. F.; 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.; Muenstermann, D.; 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 Maltranaa, D.; Urrejola, P.] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile.
[Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile.
[Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Wang, H.; Wu, Y.; Xu, C.; Zhao, Z.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
[Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Wang, H.; Wu, Y.; Xu, C.; Zhao, Z.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China.
[Chen, S.; Chen, T.; Ping, J.; Yu, J.; Zhong, J.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China.
[Ge, P.; He, M.; Liu, D.; Meng, Z.; Miao, J.; Wang, J.; Zhan, Z.; 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.; Rios, R. R.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] Univ Clermont Ferrand, Lab Phys Corpusculaire, 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.; Rios, R. R.; 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.; Rios, R. R.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] CNRS IN2P3, 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.] Univ Calabria, INFN, Grp Coll Cosenza, Arcavacata Di Rende, Italy.
[La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy.
[Bangert, A.; Bold, T.; Ciba, K.; Dabrowski, W.; Dwuznik, M.; Grabowska-Bold, I.; 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.
[Yagci, K. Dindar; Firan, A.; Goldin, D.; Hadavand, H. K.; Hoffman, J.; Joffe, D.; Kasmi, A.; Lu, L.; Renkel, P.; 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; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Gregor, I. M.; Hiller, K. H.; Hristova, I.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kowalski, H.; 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.; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Gregor, I. M.; Hiller, K. H.; Hristova, I.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kowalski, H.; 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.; Rubinskiy, I.; Stelzer, H. J.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, Zeuthen, Germany.
[Bunse, M.; Dobos, D.; Goessling, C.; Hirsch, F.; Klaiber-Lodewigs, J.; Klingenberg, R.; Krasel, O.; Mass, M.; 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, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland.
[Griesmayer, E.] Fachhsch 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.; Volpi, G.; Wen, M.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Aad, G.; Ahles, F.; Ahmad, A.; Beckingham, M.; Bernhard, R.; Bitenc, U.; Bruneliere, R.; Carpentieri, C.; Christov, A.; 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.; 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.
[Abdelalim, A. A.; Alexandre, G.; Backes, M.; Bell, P. J.; Bell, W. H.; Berglund, E.; Blondel, A.; Bucci, F.; Clark, A.; Dao, V.; Ferrere, D.; Gadomski, S.; Garca Navarro, J. E.; 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.; Nessi, M.; Orellana, F.; Pasztor, G.; Pohl, M.; Robichaud-Veronneau, A.; Rosselet, L.; 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.] Univ Genoa, INFN, Sez Genova, Genoa, Italy.
[Barberis, D.; Caso, C.; Coccaro, A.; 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.] Georgian Acad Sci, Inst Phys, GE-380077 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-380077 Tbilisi, Rep of Georgia.
[Chikovani, L.; Djobava, T.; Khubua, J.; Magradze, E.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Tbilisi State Univ, GE-380086 Tbilisi, Rep of Georgia.
[Astvatsatourov, A.; Dueren, 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.; St Denis, R. D.; Steele, G.; Stewart, G. A.; Thompson, A. S.; Wraight, K.; Wright, C.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland.
[Ay, C.; Blumenschein, U.; Brandt, O.; Chelkov, G. A.; Erdmann, J.; Evangelakou, D.; George, M.; 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.; 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.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, 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.] Inst Natl Polytech Grenoble, F-38031 Grenoble, France.
[Addy, T. N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[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.; Foehlisch, F.; Geweniger, C.; Hanke, P.; Henke, M.; Khomich, A.; Kluge, E. -E.; Lendermann, V.; Meiera, K.; Mueller, F.; Poddar, S.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, 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.; Todorova-Nova, S.; 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.
[Limper, M.; Mallik, U.; Zaidan, R.] Univ Iowa, Iowa City, IA USA.
[Chen, C.; 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.; 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.; 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, 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.
[Akiyama, A.; Ishikawa, A.; Kawagoe, K.; Kiyamura, H.; Kurashige, H.; Miyazaki, K.; Ochi, A.; Omachi, C.; Suita, K.; Takeda, H.] 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.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Argentina.
[Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Consejo Nacl Invest Cient & Tecn, 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.; Owen, M.; Ratoff, P. N.; Sloan, T. J.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England.
[Bianco, M.; Cataldi, G.; Cazzato, A.; Chiodini, G.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] Univ Salento, INFN, Sez Lecce, Lecce, Italy.
[Bianco, M.; Cazzato, A.; 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.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia.
[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.
[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.; Kuna, M.; 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.
[Beau, T.; Bordoni, S.; Calderini, G.; Camard, A.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; 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.] Univ Paris Diderot, Paris, France.
[Beau, T.; Bordoni, S.; Calderini, G.; Camard, A.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; 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.
[Akesson, T. P. A.; Alonso, A.; Bocchetta, S. S.; Groth-Jensen, J.; Hedberg, V.; Jarlskog, G.; Lundberg, B.; Lytken, E.; Meirose, B.; Mjoernmark, J. U.; Smirnova, O.] Lund Univ, Inst Fys, Lund, Sweden.
[Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Labarga, L.; Lagouri, T.; March, L.; Nebot, E.; Rodier, S.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C15, Madrid, Spain.
[Aharrouche, M.; Arnaez, O.; Bendel, M.; Blum, W.; Buescher, 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.; Hughes-Jones, R. E.; 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.; 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.; Arfaoui, 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.; Le Guirriec, E.; 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.
[Aoun, S.; Arfaoui, 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.; Le Guirriec, E.; 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.
[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.; Kotov, S.; Kraus, J.; Linnemann, J. T.; Mangeard, P. S.; Martin, B.; Mattravers, C.; 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.
[Acerbia, E.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; 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.; Turra, R.; Vegni, G.; Volpini, G.] Univ Milan, Ist Nazl Fis Nucl, Sez Milano, Milan, Italy.
[Acerbia, E.; Andreazza, A.; Besana, M. I.; 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.; Turra, R.; 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.
[Azuelos, G.; Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[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 ITEP, Moscow, 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.; Goettfert, T.; Groh, M.; Haefner, P.; Hauff, D.; Jantsch, A.; Kaiser, S.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, 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.; Iengo, P.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sekhniaidze, G.] Univ Napoli, INFN, Sez Napoli, Naples, Italy.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Cevenini, F.; Chiefari, G.; della Volpe, D.; Giordano, R.; Iengo, P.; 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.
[Chelstowska, M. A.; Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Koenig, A. C.; Koetsveld, F.; 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.] Nikhef Natl Inst Subatom Phys, 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.] Univ Amsterdam, Amsterdam, Netherlands.
[Calkins, R.; Chakraborty, D.; de Lima, J. G. Rocha; Suhr, C.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 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 BINP, Novosibirsk, 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.
[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.; 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.
[Abreu, H.; Arnault, C.; Auge, E.; 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, 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.; 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.; 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.] Univ Pavia, Ist Nazl Fis Nucl, Sez Pavia, I-27100 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.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Univ Pisa, Ist Nazl Fis Nucl, Sez Pisa, I-56100 Pisa, Italy.
[Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; 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, I-56100 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.
[Amorim, A.; Anjos, N.; Carvalho, J.; Castro, N. F.; 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.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal.
[Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain.
[Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain.
[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.] Inst High Energy Phys, State Res Ctr, 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.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; 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.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Valente, P.; Vari, R.; Veneziano, S.; Zanello, L.] Univ Roma La Sapienza, Ist Nazl Fis Nucl, Sez Roma 1, Rome, Italy.
[Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Cavallari, A.; Ciapetti, G.; D'Orazio, A.; Dionisi, C.; Gentile, S.; Giagu, S.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Rosati, S.; 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.] Univ Roma Tor Vergata, 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.
[Baroncelli, A.] Univ Roma Tre, Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy.
[Bacci, C.; Biglietti, M.; Ceradini, F.; Di Luise, S.; Orestano, D.; Pastore, F.; Petrucci, F.; Ruggieri, F.] Univ Roma Tre, Dipartimento Fis, Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummadaa, A.; Lablak, S.] Univ Hassan 2, Fac Sci Ain Chock, Reseau Univ Phys Hautes Energies, Casablanca, Morocco.
[Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco.
[El Kacimi, M.; Goujdami, D.] 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.
[El Moursli, R. Cherkaoui] Univ Mohammed 5, Fac Sci, Rabat, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Boonekamp, M.; Chevalier, L.; 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 Commissariat Energie Atom, DSM IRFU Inst Rech Lois Fondamentales Univers, 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.; 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.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Ahmad, A.; 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.; Kenney, C. J.; 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.; 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.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia.
[Antos, J.; Bruncko, D.; Ferencei, J.; Kladiva, E.; Seman, M.; Strizenec, P.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia.
[Aurousseau, M.] 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.; C. Ohm, C.; Papadelis, A.; Ramstedt, M.; Sellden, B.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.
[Asman, B.; Clement, C.; Gellerstedt, K.; Hellman, S.; Johansen, M.; Jon-And, K.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; C. Ohm, 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.; 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.; 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.; Azuma, Y.; Dohmae, T.; Imori, M.; 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.
[Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; 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.
[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.] Tufts Univ, Sci & Technol Ctr, Medford, MA 02155 USA.
[Hawkins, D.; Losada, M.; Loureiro, K. F.; Mendoza Navas, L.; Navarro, G.; Rodriguez, D.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia.
[Behera, P. K.; Benedict, B. H.; Bold, T.; Ciobotaru, M. D.; Deng, J.; Dobson, M.; Eschrich, I. Gough; Grabowska-Bold, I.; 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, Trieste, 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.; Nikolaev, K.; 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.; 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.; 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.; 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.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Microelect Barcelona IMB CNM, 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.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] CSIC, 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.; Cataldi, G.; 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.; Stroehmer, R.; Trefzger, T.] Univ Wurzburg, Fak Phys & Astron, Wurzburg, Germany.
[Barisonzi, M.; Becks, K. H.; Boek, J.; Braun, H. M.; 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.; Bedikian, S.; 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.; Cogneras, E.; Rahal, G.] Ctr Calcul CNRS IN2P3, Villeurbanne, France.
[Aguilar-Saavedra, J. A.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal.
[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.] Univ Lisbon, CFNUL, P-1699 Lisbon, Portugal.
[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.] Univ Lisbon, Fac Ciencias, P-1699 Lisbon, Portugal.
[Bawa, H. S.; Gao, Y. S.; Lowe, A. J.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
[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.
[Dhullipudi, R.; Greenwood, Z. D.; Sawyer, L.] Louisiana Tech Univ, Ruston, LA 71270 USA.
[Guler, H.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada.
[Huseynov, N.] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan.
[Kono, T.; Terwort, M.; Wildt, M. A.] Univ Hamburg, Inst Expt Phys, Hamburg, Germany.
[Konoplich, R.] Manhattan Coll, New York, NY USA.
[Liang, Z.; Soh, D. A.; Weng, Z.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou, Peoples R China.
[Lin, S. C.] Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei, Taiwan.
[Mattravers, C.; Nash, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England.
[Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal.
[Park, W.; Purohit, M.; Trivedi, A.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA.
[Pasztor, G.; Toth, J.] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary.
[Richter-Was, E.] Jagiellonian Univ, Inst Phys, Krakow, Poland.
[Vickey, T.] Univ Oxford, Dept Phys, Oxford, England.
[Mateos, D. Lopez; Marshall, Z.; Perez, K.] CALTECH, Pasadena, CA 91125 USA.
RP Aad, G (reprint author), SUNY Albany, Albany, NY 12222 USA.
RI Di Micco, Biagio/J-1755-2012; spagnolo, stefania/A-6359-2012; Di Nardo,
Roberto/J-4993-2012; Della Pietra, Massimo/J-5008-2012; Andreazza,
Attilio/E-5642-2011; Rotaru, Marina/A-3097-2011; Bergeaas Kuutmann,
Elin/A-5204-2013; Cascella, Michele/B-6156-2013; messina,
andrea/C-2753-2013; de Groot, Nicolo/A-2675-2009; Amorim,
Antonio/C-8460-2013; Orlov, Ilya/E-6611-2012; Fazio, Salvatore
/G-5156-2010; Marti-Garcia, Salvador/F-3085-2011; Doyle,
Anthony/C-5889-2009; Laycock, Paul/F-7543-2011; Conde Muino,
Patricia/F-7696-2011; Stoicea, Gabriel/B-6717-2011; Robson,
Aidan/G-1087-2011; Losada, Marta/B-2261-2010; Bauer,
Florian/G-8816-2011; Jakubek, Jan/E-6530-2011; valente,
paolo/A-6640-2010; Smirnov, Sergei/F-1014-2011; SULIN,
VLADIMIR/N-2793-2015; Olshevskiy, Alexander/I-1580-2016; 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; Idzik, Marek/A-2487-2017; Solodkov,
Alexander/B-8623-2017; Chekulaev, Sergey/O-1145-2015; Gorelov,
Igor/J-9010-2015; Carvalho, Joao/M-4060-2013; Booth,
Christopher/B-5263-2016; Tikhomirov, Vladimir/M-6194-2015; 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; 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;
Cabrera Urban, Susana/H-1376-2015; Cavalli-Sforza, Matteo/H-7102-2015;
Ferrer, Antonio/H-2942-2015; Grancagnolo, Sergio/J-3957-2015; Shmeleva,
Alevtina/M-6199-2015; Camarri, Paolo/M-7979-2015; Gavrilenko,
Igor/M-8260-2015; Smirnova, Lidia/D-8089-2012; 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; 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; 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; Gutierrez,
Phillip/C-1161-2011; Ferrando, James/A-9192-2012; collins-tooth,
christopher/A-9201-2012; Perrino, Roberto/B-4633-2010; De Cecco,
Sandro/B-1016-2012; branchini, paolo/A-4857-2011; Wolter,
Marcin/A-7412-2012; McKee, Shawn/B-6435-2012; Nemecek,
Stanislav/C-3487-2012; Buttar, Craig/D-3706-2011; Takai,
Helio/C-3301-2012; St.Denis, Richard/C-8997-2012; Britton,
David/F-2602-2010; Li, Xuefei/C-3861-2012; 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; 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; Annovi, Alberto/G-6028-2012; Brooks,
William/C-8636-2013; Pina, Joao /C-4391-2012; Vanyashin,
Aleksandr/H-7796-2013; Casadei, Diego/I-1785-2013; La Rosa,
Alessandro/I-1856-2013; Moraes, Arthur/F-6478-2010; Boyko,
Igor/J-3659-2013; 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; Zaitsev, Alexandre/B-8989-2017; Yang,
Haijun/O-1055-2015; Monzani, Simone/D-6328-2017
OI spagnolo, stefania/0000-0001-7482-6348; Della Pietra,
Massimo/0000-0003-4446-3368; Andreazza, Attilio/0000-0001-5161-5759;
Rotaru, Marina/0000-0003-3303-5683; Cascella,
Michele/0000-0003-2091-2501; Orlov, Ilya/0000-0003-4073-0326; Doyle,
Anthony/0000-0001-6322-6195; Conde Muino, Patricia/0000-0002-9187-7478;
Stoicea, Gabriel/0000-0002-7511-4614; valente,
paolo/0000-0002-5413-0068; Smirnov, Sergei/0000-0002-6778-073X; SULIN,
VLADIMIR/0000-0003-3943-2495; Olshevskiy, Alexander/0000-0002-8902-1793;
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; Solodkov,
Alexander/0000-0002-2737-8674; Gorelov, Igor/0000-0001-5570-0133;
Carvalho, Joao/0000-0002-3015-7821; Booth,
Christopher/0000-0002-6051-2847; Tikhomirov,
Vladimir/0000-0002-9634-0581; 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; 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; Ferrer,
Antonio/0000-0003-0532-711X; Grancagnolo, Sergio/0000-0001-8490-8304;
Camarri, Paolo/0000-0002-5732-5645; 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; 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; 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;
Ferrando, James/0000-0002-1007-7816; Perrino,
Roberto/0000-0002-5764-7337; McKee, Shawn/0000-0002-4551-4502; Takai,
Helio/0000-0001-9253-8307; Britton, David/0000-0001-9998-4342; 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;
Morozov, Sergey/0000-0002-6748-7277; Villa, Mauro/0000-0002-9181-8048;
Annovi, Alberto/0000-0002-4649-4398; Brooks,
William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Vanyashin,
Aleksandr/0000-0002-0367-5666; La Rosa, Alessandro/0000-0001-6291-2142;
Moraes, Arthur/0000-0002-5157-5686; Boyko, Igor/0000-0002-3355-4662;
Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci,
Elena/0000-0002-5347-7764; Zaitsev, Alexandre/0000-0002-4961-8368;
Monzani, Simone/0000-0002-0479-2207
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS,
Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada;
NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; MOST, China;
NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR,
Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark;
Lundbeck Foundation, Denmark; ARTEMIS; European Union; IN2P3-CNRS,
France; CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, Germany; DFG,
Germany; HGF, Germany; MPG, Germany; AvH Foundation, Germany; GSRT,
Greece; ISF, Israel; MINERVA, Israel; GIF, Israel; DIP, Israel; Benoziyo
Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco;
FOM , The Netherlands; NWO, The Netherlands; RCN, Norway; MNiSW, Poland;
GRICES, Portugal; FCT, Portugal; MERYS (MECTS), Romania; MES of Russia;
ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS,
Slovenia; MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC,
Sweden; Wallenberg Foundation, Sweden; SER, Switzerland; SNSF and
Cantons of Bern, Switzerland; Geneva, Switzerland; NSC, Taiwan; TAEK,
Turkey; STFC, United Kingdom; Royal Society, United Kingdom; Leverhulme
Trust, United Kingdom; DOE, United States of America; NSF, United States
of America
FX We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC,
Australia; 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.
NR 41
TC 12
Z9 12
U1 6
U2 54
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1434-6044
EI 1434-6052
J9 EUR PHYS J C
JI Eur. Phys. J. C
PD JUL
PY 2011
VL 71
IS 7
AR 1647
DI 10.1140/epjc/s10052-011-1647-9
PG 18
WC Physics, Particles & Fields
SC Physics
GA 799OL
UT WOS:000293295900016
ER
PT J
AU Conley, JA
Gainer, JS
Hewett, JL
Le, MP
Rizzo, TG
AF Conley, John A.
Gainer, James S.
Hewett, JoAnne L.
My Phuong Le
Rizzo, Thomas G.
TI Supersymmetry without prejudice at the LHC
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID HADRON COLLIDERS; GENERIC MODEL; RELIC DENSITY; DARK-MATTER; STANDARD
MODEL; LIGHT GLUINOS; BREAKING; PARTICLES; TEVATRON; SPECTRUM
AB The discovery and exploration of Supersymmetry in a model-independent fashion will be a daunting task due to the large number of soft-breaking parameters in the MSSM. In this paper, we explore the capability of the ATLAS detector at the LHC (root s = 14 TeV, 1 fb(-1)) to find SUSY within the 19-dimensional pMSSM subspace of the MSSM using their standard transverse missing energy and long-lived particle searches that were essentially designed for mSUGRA. To this end, we employ a set of similar to 71k previously generated model points in the 19-dimensional parameter space that satisfy all of the existing experimental and theoretical constraints. Employing ATLAS-generated SM backgrounds and following their approach in each of 11 missing energy analyses as closely as possible, we explore all of these 71k model points for a possible SUSY signal. To test our analysis procedure, we first verify that we faithfully reproduce the published ATLAS results for the signal distributions for their benchmark mSUGRA model points. We then show that, requiring all sparticle masses to lie below 1(3) TeV, almost all (two-thirds) of the pMSSM model points are discovered with a significance S > 5 in at least one of these 11 analyses assuming a 50% systematic error on the SM background. If this systematic error can be reduced to only 20% then this parameter space coverage is increased. These results are indicative that the ATLAS SUSY search strategy is robust under a broad class of Supersymmetric models. We then explore in detail the properties of the kinematically accessible model points which remain unobservable by these search analyses in order to ascertain problematic cases which may arise in general SUSY searches.
C1 [Conley, John A.] Univ Bonn, Inst Phys, D-53115 Bonn, Germany.
[Gainer, James S.] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
[Gainer, James S.] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA.
[Hewett, JoAnne L.; My Phuong Le; Rizzo, Thomas G.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
RP Conley, JA (reprint author), Univ Bonn, Inst Phys, Nussallee 12, D-53115 Bonn, Germany.
EM conley@th.physik.uni-bonn.de
OI Gainer, James/0000-0002-8872-0664
FU Department of Energy, Division of High Energy Physics
[DE-AC02-76SF00515, DE-AC02-06CH11357, DE-FG02-91ER40684]; BMBF
[05H09PDE]
FX Work supported by the Department of Energy, Division of High Energy
Physics, Contracts DE-AC02-76SF00515 DE-AC02-06CH11357, and
DE-FG02-91ER40684, and by the BMBF "Verbundprojekt HEP-Theorie" under
contract 05H09PDE.
NR 80
TC 39
Z9 39
U1 0
U2 2
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1434-6044
EI 1434-6052
J9 EUR PHYS J C
JI Eur. Phys. J. C
PD JUL
PY 2011
VL 71
IS 7
AR 1697
DI 10.1140/epjc/s10052-011-1697-z
PG 35
WC Physics, Particles & Fields
SC Physics
GA 799OL
UT WOS:000293295900005
ER
PT J
AU Ellis, J
Mustafayev, A
Olive, KA
AF Ellis, John
Mustafayev, Azar
Olive, Keith A.
TI Constrained supersymmetric flipped SU(5) GUT phenomenology
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID NEUTRALINO DARK-MATTER; RENORMALIZATION-GROUP EQUATIONS; EVEN HIGGS
BOSONS; RELIC DENSITY; MU-PROBLEM; MINIMAL SUPERGRAVITY; NATURAL
SOLUTION; STAU COANNIHILATION; NEUTRINO MASSES; STRING MODEL
AB We explore the phenomenology of the minimal supersymmetric flipped SU(5) GUT model (CFSU(5)), whose soft supersymmetry-breaking (SSB) mass parameters are constrained to be universal at some input scale, M-in, above the GUT scale, M-GUT. We analyze the parameter space of CFSU(5) assuming that the lightest supersymmetric particle (LSP) provides the cosmological cold dark matter, paying careful attention to the matching of parameters at the GUT scale. We first display some specific examples of the evolutions of the SSB parameters that exhibit some generic features. Specifically, we note that the relationship between the masses of the lightest neutralino chi and the lighter stau (tau) over tilde (1) is sensitive to M-in, as is the relationship between m(chi) and the masses of the heavier Higgs bosons A, H. For these reasons, prominent features in generic (m(1/2), m(0)) planes such as coannihilation strips and rapid-annihilation funnels are also sensitive to M-in, as we illustrate for several cases with tan beta = 10 and 55. However, these features do not necessarily disappear at large M-in, unlike the case in the minimal conventional SU(5) GUT. Our results are relatively insensitive to neutrino masses.
C1 [Ellis, John] CERN, TH Div, PH Dept, CH-1211 Geneva 23, Switzerland.
[Ellis, John] Kings Coll London, Theoret Phys & Cosmol Grp, Dept Phys, London WC2R 2LS, England.
[Mustafayev, Azar; Olive, Keith A.] Univ Minnesota, William I Fine Theoret Phys Inst, Minneapolis, MN 55455 USA.
[Olive, Keith A.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Olive, Keith A.] Stanford Univ, SLAC, Stanford, CA 94305 USA.
RP Ellis, J (reprint author), CERN, TH Div, PH Dept, CH-1211 Geneva 23, Switzerland.
EM mustafayev@physics.umn.edu
RI Ellis, John/J-2222-2012;
OI Ellis, John/0000-0002-7399-0813; Olive, Keith/0000-0001-7201-5998
FU DOE at the University of Minnesota [DE-FG02-94ER-40823,
DE-AC02-76SF00515]; Stanford Institute for Theoretical Physics
FX The work of A.M. and K.A.O. was supported in part by DOE grant
DE-FG02-94ER-40823 at the University of Minnesota. We thank I. Gogoladze
and Q. Shafi for many useful discussions. K.A.O. also thanks SLAC
(supported by the DOE under contract number DE-AC02-76SF00515) and the
Stanford Institute for Theoretical Physics for their hospitality and
support while this work was being finished.
NR 109
TC 9
Z9 9
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1434-6044
EI 1434-6052
J9 EUR PHYS J C
JI Eur. Phys. J. C
PD JUL
PY 2011
VL 71
IS 7
AR 1689
DI 10.1140/epjc/s10052-011-1689-z
PG 15
WC Physics, Particles & Fields
SC Physics
GA 799OL
UT WOS:000293295900014
ER
PT J
AU Friman, B
Karsch, F
Redlich, K
Skokov, V
AF Friman, B.
Karsch, F.
Redlich, K.
Skokov, V.
TI Fluctuations as probe of the QCD phase transition and freeze-out in
heavy ion collisions at LHC and RHIC
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID CRITICAL-POINT; POLYAKOV LOOP; MODEL; DIAGRAM; LATTICE; FLOW
AB We discuss the relevance of higher order cumulants of net baryon number fluctuations for the analysis of freeze-out and critical conditions in heavy ion collisions at LHC and RHIC. Using properties of O(4) scaling functions, we discuss the generic structure of these higher cumulants at vanishing baryon chemical potential and apply chiral model calculations to explore their properties at non-zero baryon chemical potential. We show that the ratios of the sixth to second and eighth to second order cumulants of the net baryon number fluctuations change rapidly in the transition region of the QCD phase diagram. Already at vanishing baryon chemical potential they deviate considerably from the predictions of the hadron resonance gas model which reproduce the second and fourth order cumulants of the net proton number fluctuations at RHIC. We point out that the sixth order cumulants of baryon number and electric charge fluctuations remain negative at the chiral transition temperature. Thus, they offer the possibility to probe the proximity of the chemical freeze-out to the crossover line.
C1 [Friman, B.; Skokov, V.] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany.
[Karsch, F.] Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany.
[Karsch, F.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Redlich, K.] Univ Wroclaw, Inst Theoret Phys, PL-50204 Wroclaw, Poland.
[Redlich, K.] GSI Darmstadt, ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany.
RP Friman, B (reprint author), GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany.
EM karsch@physik.uni-bielefeld.de
OI Skokov, Vladimir/0000-0001-7619-1796; Friman, Bengt/0000-0002-3211-7073
FU U.S. Department of Energy [DE-AC02-98CH10886]; BMBF [06BI401]; GSI
Helmholtzzentrum fur Schwerionenforschung; Polish Ministry of Science
(MEN); ExtreMe Matter Institute (EMMI); Frankfurt Institute for Advanced
Studies (FIAS)
FX We gratefully acknowledge discussions with Jurgen Engels on the O(4)
scaling functions. The work of F.K. was supported in part by contract
DE-AC02-98CH10886 with the U.S. Department of Energy, by the BMBF under
grant 06BI401 and the GSI Helmholtzzentrum fur Schwerionenforschung
under grant BILAER. K.R. acknowledges partial support by the Polish
Ministry of Science (MEN). B.F. and K.R. were supported in part by the
ExtreMe Matter Institute (EMMI). V.S. acknowledges support by the
Frankfurt Institute for Advanced Studies (FIAS).
NR 40
TC 93
Z9 93
U1 0
U2 4
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 JUL
PY 2011
VL 71
IS 7
AR 1694
DI 10.1140/epjc/s10052-011-1694-2
PG 11
WC Physics, Particles & Fields
SC Physics
GA 799OL
UT WOS:000293295900010
ER
PT J
AU Giele, WT
Stavenga, GC
Winter, J
AF Giele, Walter T.
Stavenga, Gerben C.
Winter, Jan
TI Thread-scalable evaluation of multi-jet observables
SO EUROPEAN PHYSICAL JOURNAL C
LA English
DT Article
ID HADRON COLLIDERS; AMPLITUDES
AB We have implemented the leading-color n-gluon amplitudes using the Berends-Giele recursion relations on a multi-threaded GPU. Speed-up factors between 150 and 300 are obtained compared to the CPU-based implementation of the same event generator. In this first paper, we study the feasibility of a GPU-based event generator with an emphasis on the constraints imposed by the hardware. Some studies of Monte Carlo convergence and accuracy are presented for PP --> 2, ... , 10 jet observables using of the order of 10(11) events.
C1 [Giele, Walter T.; Stavenga, Gerben C.; Winter, Jan] Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA.
RP Giele, WT (reprint author), Fermilab Natl Accelerator Lab, Dept Theoret Phys, POB 500, Batavia, IL 60510 USA.
EM giele@fnal.gov; stavenga@fnal.gov; jwinter@fnal.gov
FU United States Department of Energy [AC02-07CH11359]
FX Fermilab is operated by Fermi Research Alliance, LLC, under contract
DE-AC02-07CH11359 with the United States Department of Energy.
NR 31
TC 3
Z9 3
U1 0
U2 2
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 JUL
PY 2011
VL 71
IS 7
AR 1703
DI 10.1140/epjc/s10052-011-1703-5
PG 13
WC Physics, Particles & Fields
SC Physics
GA 799OL
UT WOS:000293295900013
ER
PT J
AU Moses, EI
AF Moses, E. I.
TI THE NATIONAL IGNITION FACILITY AND THE PROMISE OF INERTIAL FUSION ENERGY
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
AB The National Ignition Facility (NIF) at the Lawrence Livermore National Laboratory (LLNL) in Livermore, CA, is now operational. The NIF is the world's most energetic laser system capable of producing 1.8 MJ and 500 TW of ultraviolet light. By concentrating the energy from its 192 extremely energetic laser beams into a mm(3)-sized target, NIF can produce temperatures above 100 million K, densities of 1,000 g/cm(3), and pressures 100 billion times atmospheric pressure-conditions that have never been created in a laboratory and emulate those in planetary interiors and stellar environments. On September 29, 2010, the first integrated ignition experiment was conducted, demonstrating the successful coordination of the laser, cryogenic target system, array of diagnostics and infrastructure required for ignition demonstration. In light of this strong progress, the U.S. and international communities are examining the implication of NIF ignition for inertial fusion energy (IFE). A laser-based IFE power plant will require a repetition rate of 10-20 Hz and a laser with 10% electrical-optical efficiency, as well as further development and advances in large-scale target fabrication, target injection, and other supporting technologies. These capabilities could lead to a prototype IFE demonstration plant in the 10- to 15-year time frame. LLNL, in partnership with other institutions, is developing a Laser Inertial Fusion Engine (LIFE) concept and examining in detail various technology choices. This paper will describe the unprecedented experimental capabilities of the NIF and the results achieved so far on the path toward ignition. The paper will conclude with a discussion about the need to build on the progress on NIF to develop an implementable and effective plan to achieve the promise of LIFE as a source of carbon-free energy.
C1 Lawrence Livermore Natl Lab, Livermore, CA 94451 USA.
RP Moses, EI (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94451 USA.
EM moses1@llnl.gov
NR 17
TC 9
Z9 10
U1 3
U2 5
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 JUL
PY 2011
VL 60
IS 1
BP 11
EP 16
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200003
ER
PT J
AU Dunne, M
Moses, EI
Amendt, P
Anklam, T
Bayramian, A
Bliss, E
Debs, B
Deri, R
de la Rubia, TD
El-Dasher, B
Farmer, JC
Flowers, D
Kramer, KJ
Lagin, L
Latkowski, JF
Lindl, J
Meier, W
Miles, R
Moses, GA
Reyes, S
Roberts, V
Sawicki, R
Spaeth, M
Storm, E
AF Dunne, M.
Moses, E. I.
Amendt, P.
Anklam, T.
Bayramian, A.
Bliss, E.
Debs, B.
Deri, R.
de la Rubia, T. Diaz
El-Dasher, B.
Farmer, J. C.
Flowers, D.
Kramer, K. J.
Lagin, L.
Latkowski, J. F.
Lindl, J.
Meier, W.
Miles, R.
Moses, G. A.
Reyes, S.
Roberts, V.
Sawicki, R.
Spaeth, M.
Storm, E.
TI TIMELY DELIVERY OF LASER INERTIAL FUSION ENERGY (LIFE)
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
ID FUEL-CYCLE
AB The National Ignition Facility (NIF), the world's largest and most energetic laser system, is now operational at Lawrence Livermore National Laboratory. A key goal of the NIF is to demonstrate fusion ignition for the first time in the laboratory. Its flexibility allows multiple target designs (both indirect and direct drive) to be fielded, offering substantial scope for optimization of a robust target design.
In this paper we discuss an approach to generating gigawatt levels of electrical power from a laser-driven source of fusion neutrons based on these demonstration experiments. This "LIFE" concept enables rapid time-to-market for a commercial power plant, assuming success with ignition and a technology demonstration program that links directly to a facility design and construction project.
The LIFE design makes use of recent advances in diode-pumped, solid-state laser technology. It adopts the paradigm of Line Replaceable Units utilized on the NIF to provide high levels of availability and maintainability and mitigate the need for advanced materials development.
A demonstration LIFE plant based on these design principles is described, along with the areas of technology development required prior to plant construction.
C1 [Dunne, M.; Moses, E. I.; Amendt, P.; Anklam, T.; Bayramian, A.; Bliss, E.; Debs, B.; Deri, R.; de la Rubia, T. Diaz; El-Dasher, B.; Farmer, J. C.; Flowers, D.; Kramer, K. J.; Lagin, L.; Latkowski, J. F.; Lindl, J.; Meier, W.; Miles, R.; Reyes, S.; Roberts, V.; Sawicki, R.; Spaeth, M.; Storm, E.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Moses, G. A.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
RP Dunne, M (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM dunne8@llnl.gov
RI Dunne, Mike/B-4318-2014
OI Dunne, Mike/0000-0001-8740-3870
NR 6
TC 24
Z9 25
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 JUL
PY 2011
VL 60
IS 1
BP 19
EP 27
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200004
ER
PT J
AU Bayramian, A
Aceves, S
Anklam, T
Baker, K
Bliss, E
Boley, C
Bullington, A
Caird, J
Chen, D
Deri, R
Dunne, M
Erlandson, A
Flowers, D
Henesian, M
Latkowski, J
Manes, K
Molander, W
Moses, E
Piggott, T
Powers, S
Rana, S
Rodriguez, S
Sawicki, R
Schaffers, K
Seppala, L
Spaeth, M
Sutton, S
Telford, S
AF Bayramian, A.
Aceves, S.
Anklam, T.
Baker, K.
Bliss, E.
Boley, C.
Bullington, A.
Caird, J.
Chen, D.
Deri, R.
Dunne, M.
Erlandson, A.
Flowers, D.
Henesian, M.
Latkowski, J.
Manes, K.
Molander, W.
Moses, E.
Piggott, T.
Powers, S.
Rana, S.
Rodriguez, S.
Sawicki, R.
Schaffers, K.
Seppala, L.
Spaeth, M.
Sutton, S.
Telford, S.
TI COMPACT, EFFICIENT LASER SYSTEMS REQUIRED FOR LASER INERTIAL FUSION
ENERGY
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
ID NATIONAL IGNITION FACILITY; HIGH-AVERAGE-POWER; SPATIAL FILTER PINHOLE;
3RD-HARMONIC GENERATION; OPTICAL-ABSORPTION; YAG LASER; PROPAGATION;
CONVERSION; PHOSPHATE; AMPLIFIER
AB This paper presents our conceptual design for laser drivers used in Laser Inertial Fusion Energy (LIFE) power plants. Although we have used only modest extensions of existing laser technology to ensure near-term feasibility, predicted performance meets or exceeds plant requirements: 2.2 MJ pulse energy produced by 384 beamlines at 16 Hz, with 18% wall-plug efficiency. High reliability and maintainability are achieved by mounting components in compact line-replaceable units that can be removed and replaced rapidly while other beamlines continue to operate, at up to similar to 13% above normal energy, to compensate for neighboring beamlines that have failed. Statistical modeling predicts that laser-system availability can be greater than 99% provided that components meet reasonable mean-time-between-failure specifications.
C1 [Bayramian, A.; Aceves, S.; Anklam, T.; Baker, K.; Bliss, E.; Boley, C.; Bullington, A.; Caird, J.; Chen, D.; Deri, R.; Dunne, M.; Erlandson, A.; Flowers, D.; Henesian, M.; Latkowski, J.; Manes, K.; Molander, W.; Moses, E.; Piggott, T.; Powers, S.; Rana, S.; Rodriguez, S.; Sawicki, R.; Schaffers, K.; Seppala, L.; Spaeth, M.; Sutton, S.; Telford, S.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Bayramian, A (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave,L-470, Livermore, CA 94551 USA.
EM bayramian1@llnl.gov
RI aceves, salvador/G-9052-2011; Dunne, Mike/B-4318-2014
OI aceves, salvador/0000-0001-5687-7256; Dunne, Mike/0000-0001-8740-3870
NR 55
TC 34
Z9 42
U1 8
U2 17
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 JUL
PY 2011
VL 60
IS 1
BP 28
EP 48
PG 21
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200005
ER
PT J
AU Amendt, P
Dunne, M
Ho, DD
Lindl, JD
AF Amendt, Peter
Dunne, M.
Ho, D. D.
Lindl, J. D.
TI LIFE PURE FUSION TARGET DESIGNS: STATUS AND PROSPECTS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
ID DRIVE
AB Analysis and radiation-hydrodynamics simulations for expected high-gain fusion target performance on a demonstration 1-GWe Laser Inertial Fusion Energy (LIFE) power plant are presented. The required laser energy driver is 2.2 MJ at a 0.351-mu m wavelength, and a fusion target gain greater than 60 at a repetition rate of 16 Hz is the design goal for economic and commercial attractiveness. A scaling-law analysis is developed to benchmark the design parameter space for hohlraum-driven central hot-spot ignition. A suite of integrated hohlraum simulations is presented to test the modeling assumptions and provide a basis for near-term experimental resolution of the key physics uncertainties on the National Ignition Facility.
C1 [Amendt, Peter; Dunne, M.; Ho, D. D.; Lindl, J. D.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Amendt, P (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94551 USA.
EM amendt1@llnl.gov
RI Dunne, Mike/B-4318-2014
OI Dunne, Mike/0000-0001-8740-3870
NR 7
TC 11
Z9 11
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 49
EP 53
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200006
ER
PT J
AU Latkowski, JF
Abbott, RP
Aceves, S
Anklam, T
Cook, AW
DeMuth, J
Divol, L
El-Dasher, B
Farmer, JC
Flowers, D
Fratoni, M
Heltemes, T
Kane, J
Kramer, KJ
Kramer, R
Lafuente, A
Loosmore, GA
Morris, KR
Moses, GA
Olson, B
Pantano, C
Reyes, S
Rhodes, M
Sawicki, R
Scott, H
Tabak, M
Wilks, S
AF Latkowski, Jeffery F.
Abbott, Ryan P.
Aceves, Sal
Anklam, Tom
Cook, Andrew W.
DeMuth, James
Divol, Laurent
El-Dasher, Bassem
Farmer, Joseph C.
Flowers, Dan
Fratoni, Massimiliano
Heltemes, Thad
Kane, Jave
Kramer, Kevin J.
Kramer, Richard
Lafuente, Antonio
Loosmore, Gwendolen A.
Morris, Kevin R.
Moses, Gregory A.
Olson, Britton
Pantano, Carlos
Reyes, Susana
Rhodes, Mark
Sawicki, Rick
Scott, Howard
Tabak, Max
Wilks, Scott
TI CHAMBER DESIGN FOR THE LASER INERTIAL FUSION ENERGY (LIFE) ENGINE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
ID REACTOR
AB The Laser Inertial Fusion Energy (LIFE) concept is being designed to operate as either a pure fusion or hybrid fusion-fission system. The present work focuses on the pure fusion option. A key component of a LIFE engine is the fusion chamber subsystem. It must absorb the fusion energy, produce fusion fuel to replace that burned in previous targets, and enable both target and laser beam transport to the ignition point. The chamber system also must mitigate target emissions, including ions, x-rays and neutrons and reset itself to enable operation at 10-15 Hz. Finally, the chamber must offer a high level of availability, which implies both a reasonable lifetime and the ability to rapidly replace damaged components. An integrated design that meets all of these requirements is described herein.
C1 [Latkowski, Jeffery F.; Abbott, Ryan P.; Aceves, Sal; Anklam, Tom; Cook, Andrew W.; DeMuth, James; Divol, Laurent; El-Dasher, Bassem; Farmer, Joseph C.; Flowers, Dan; Fratoni, Massimiliano; Kane, Jave; Kramer, Kevin J.; Lafuente, Antonio; Loosmore, Gwendolen A.; Morris, Kevin R.; Olson, Britton; Reyes, Susana; Rhodes, Mark; Sawicki, Rick; Scott, Howard; Tabak, Max; Wilks, Scott] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Heltemes, Thad; Moses, Gregory A.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
[Kramer, Richard; Pantano, Carlos] Univ Illinois, Dept Mech Engn, Urbana, IL 61801 USA.
[Lafuente, Antonio] Univ Politecn Madrid, ETSI Ind, Madrid, Spain.
RP Latkowski, JF (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM latkowski@llnl.gov
RI Fratoni, Massimiliano/F-9746-2011; Pantano, Carlos/B-7571-2009; aceves,
salvador/G-9052-2011; Fratoni, Massimiliano/M-8323-2015
OI aceves, salvador/0000-0001-5687-7256; Fratoni,
Massimiliano/0000-0003-0452-0508
NR 11
TC 15
Z9 17
U1 1
U2 9
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 JUL
PY 2011
VL 60
IS 1
BP 54
EP 60
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200007
ER
PT J
AU Miles, R
Spaeth, M
Manes, K
Amendt, P
Tabak, M
Bond, T
Kucheyev, S
Latkowski, J
Loosmore, G
Bliss, E
Baker, K
Bhandarkar, S
Havstad, M
Petzoldt, R
Alexander, N
Tillack, M
Holdener, D
AF Miles, Robin
Spaeth, Mary
Manes, Ken
Amendt, Peter
Tabak, Max
Bond, Tiziana
Kucheyev, Sergei
Latkowski, Jeff
Loosmore, Gwen
Bliss, Erlan
Baker, Kevin
Bhandarkar, Suhas
Havstad, Mark
Petzoldt, Ron
Alexander, Neil
Tillack, Mark
Holdener, Dain
TI CHALLENGES SURROUNDING THE INJECTION AND ARRIVAL OF TARGETS AT LIFE
FUSION CHAMBER CENTER
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB IFE target designers must consider several engineering requirements in addition to the physics requirements for successful target implosion. These considerations include low target cost, high manufacturing throughput, the ability of the target to survive the injection into the fusion chamber and arrive in a condition and physical position consistent with proper laser-target interaction and ease of post-implosion debris removal. This article briefly describes these considerations for the Laser Inertial Fusion-based Energy (LIFE) targets currently being designed.
C1 [Miles, Robin; Spaeth, Mary; Manes, Ken; Amendt, Peter; Tabak, Max; Bond, Tiziana; Kucheyev, Sergei; Latkowski, Jeff; Loosmore, Gwen; Bliss, Erlan; Baker, Kevin; Bhandarkar, Suhas; Havstad, Mark] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Petzoldt, Ron; Alexander, Neil] Gen Atom, San Diego, CA USA.
[Tillack, Mark; Holdener, Dain] Univ Calif San Diego, La Jolla, CA 92093 USA.
RP Miles, R (reprint author), Lawrence Livermore Natl Lab, POB 808-L-223, Livermore, CA 94551 USA.
EM miles7@llnl.gov; ronald.petzoldt@gat.com
NR 6
TC 10
Z9 10
U1 0
U2 3
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 61
EP 65
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200008
ER
PT J
AU Anklam, TM
Dunne, M
Meier, WR
Powers, S
Simon, AJ
AF Anklam, Thomas M.
Dunne, Mike
Meier, Wayne R.
Powers, Sarah
Simon, Aaron J.
TI LIFE: THE CASE FOR EARLY COMMERCIALIZATION OF FUSION ENERGY
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB This paper presents the case for early commercialization of laser inertial fusion energy (LIFE). Results taken from systems modeling of the US electrical generating enterprise quantify the benefits of fusion energy in terms of carbon emission, nuclear waste and plutonium production avoidance. Sensitivity of benefits-gained to timing of market-entry is presented. These results show the importance of achieving market entry in the 2030 time frame. Economic modeling results show that fusion energy can be competitive with other low-carbon energy sources. The paper concludes with a description of the LIFE commercialization path. It proposes constructing a demonstration facility capable of continuous fusion operations within 10 to 15 years. This facility will qualify the processes and materials needed for a commercial fusion power plant.
C1 [Anklam, Thomas M.; Dunne, Mike; Meier, Wayne R.; Powers, Sarah; Simon, Aaron J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Anklam, TM (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM anklam2@llnl.gov
RI Dunne, Mike/B-4318-2014
OI Dunne, Mike/0000-0001-8740-3870
NR 16
TC 11
Z9 13
U1 0
U2 8
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 JUL
PY 2011
VL 60
IS 1
BP 66
EP 71
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200009
ER
PT J
AU Kramer, KJ
Fratoni, M
Latkowski, JF
Abbott, RP
Anklam, TM
Beckett, EM
Bayramian, AJ
DeMuth, JA
Deri, RJ
De La Rubia, TD
Dunne, AM
El-dasher, BS
Farmer, JC
Lafuente, A
Meier, WR
Moir, RW
Morris, KL
Moses, EI
Powers, JJ
Reyes, S
Sawicki, RH
Seifried, JE
Storm, E
Taylor, JM
AF Kramer, Kevin J.
Fratoni, Massimiliano
Latkowski, Jeffery F.
Abbott, Ryan P.
Anklam, Thomas M.
Beckett, Elizabeth M.
Bayramian, Andy J.
DeMuth, James A.
Deri, Robert J.
De La Rubia, Tomas Diaz
Dunne, A. Mike
El-dasher, Bassem S.
Farmer, Joseph C.
Lafuente, Antonio
Meier, Wayne R.
Moir, Ralph W.
Morris, Kevin L.
Moses, Edward I.
Powers, Jeffrey J.
Reyes, Susana
Sawicki, Richard H.
Seifried, Jeffrey E.
Storm, Erik
Taylor, Janine M.
TI FUSION-FISSION BLANKET OPTIONS FOR THE LIFE ENGINE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
ID NUCLEAR; ENERGY
AB The Laser Inertial Fusion Energy (LIFE) concept is being developed to operate as either a pure fusion or hybrid fusion-fission system. The hybrid version is designed to generate power and burn both fertile and fissile nuclear fuel. The fuel blanket is composed of TRISO-based fuel cooled by a molten salt. Low-yield (similar to 25-40 MJ) targets and a repetition rate of similar to 10-15 Hz produce a 300-500 MW fusion source. When this fusion power is coupled to a compact (2-4 m diameter) target chamber, a 14 MeV neutron flux of similar to 2 x 10(14) n/cm(2)-s drives fissile production and destruction in the fuel blanket providing an additional energy gain of 4-8, depending on the fuel and design objective.
We employ a methodology using (6)Li as a neutron absorber to generate self-sustaining tritium production for fusion and to maintain constant power over the lifetime of the engine. In a single pass, fertile LIFE blankets achieve uranium and thorium utilization beyond 80% without chemical reprocessing or isotopic enrichment. Fissile blankets destroy more than 90% of the initial load of weapons grade plutonium or highly enriched uranium.
C1 [Kramer, Kevin J.; Fratoni, Massimiliano; Latkowski, Jeffery F.; Abbott, Ryan P.; Anklam, Thomas M.; Beckett, Elizabeth M.; Bayramian, Andy J.; DeMuth, James A.; Deri, Robert J.; De La Rubia, Tomas Diaz; Dunne, A. Mike; El-dasher, Bassem S.; Farmer, Joseph C.; Lafuente, Antonio; Meier, Wayne R.; Moir, Ralph W.; Morris, Kevin L.; Moses, Edward I.; Powers, Jeffrey J.; Reyes, Susana; Sawicki, Richard H.; Seifried, Jeffrey E.; Storm, Erik; Taylor, Janine M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Beckett, Elizabeth M.; Lafuente, Antonio] Purdue Univ, Dept Nucl Engn, W Lafayette, IN 47907 USA.
[Beckett, Elizabeth M.; Lafuente, Antonio] Univ Politecn Madrid, ETSI Ind, Madrid, Spain.
[Powers, Jeffrey J.; Seifried, Jeffrey E.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
RP Kramer, KJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM kramer12@llnl.gov
RI Fratoni, Massimiliano/F-9746-2011; Fratoni, Massimiliano/M-8323-2015
OI Fratoni, Massimiliano/0000-0003-0452-0508
NR 18
TC 2
Z9 2
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 JUL
PY 2011
VL 60
IS 1
BP 72
EP 77
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200010
ER
PT J
AU Berry, J
Ferrada, J
Kim, S
Curd, W
Orco, GD
Barabash, V
AF Berry, Jeanette (Jan)
Ferrada, Juan
Kim, Seokho
Curd, Warren
Orco, Giovanni Dell
Barabash, Vladimir
TI ITER'S TOKAMAK COOLING WATER SYSTEM AND THE USE OF ASME CODES TO COMPLY
WITH FRENCH REGULATIONS FOR NUCLEAR PRESSURE EQUIPMENT
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB During inductive plasma operation of ITER, fusion power will reach 500 MW with an energy multiplication factor of 10. The heat will be transferred by the Tokamak Cooling Water System (TCWS) to the environment using the secondary cooling system. Plasma operations are inherently safe even under the most severe postulated accident condition-a large, in-vessel break that results in a loss-of-coolant accident. A functioning cooling water system is not required to ensure safe shutdown.
Even though ITER is inherently safe, TCWS equipment (e.g., heat exchangers, piping, pressurizers) are classified as safety important components. This is because the water is predicted to contain low-levels of radionuclides (e.g., activated corrosion products, tritium) with activity levels high enough to require the design of components to be in accordance with French regulations for nuclear pressure equipment, i.e., the French Order dated 12 December 2005 (ESPN). ESPN has extended the practical application of the methodology established by the Pressure Equipment Directive (97/23/EC) to nuclear pressure equipment, under French Decree 99-1046 dated 13 December 1999, and Order dated 21 December 1999 (ESP). ASME codes and supplementary analyses (e.g., Failure Modes and Effects Analysis) will be used to demonstrate that the TCWS equipment meets these essential safety requirements.
TCWS is being designed to provide not only cooling, with a capacity of approximately 1 GW energy removal, but also elevated temperature baking of first-wall/blanket, vacuum vessel, and divertor. Additional TCWS functions include chemical control of water, draining and drying for maintenance, and facilitation of leak detection/localization. The TCWS interfaces with the majority of ITER systems, including the secondary cooling system.
U.S. ITER is responsible for design, engineering, and procurement of the TCWS with industry support from an Engineering Services Organization (ESO) (AREVA Federal Services, with support from Northrop Grumman, and OneCIS). ITER International Organization (ITER-IO) is responsible for design oversight and equipment installation in Cadarache, France. TCWS equipment will be fabricated using ASME design codes with quality assurance and oversight by an Agreed Notified Body (approved by the French regulator) that will ensure regulatory compliance.
This paper describes the TCWS design and how US. ITER and fabricators will use ASME codes to comply with EU Directives and French Orders and Decrees.
C1 [Berry, Jeanette (Jan); Ferrada, Juan; Kim, Seokho] Oak Ridge Natl Lab, US ITER, Oak Ridge, TN 37831 USA.
[Curd, Warren; Orco, Giovanni Dell; Barabash, Vladimir] ITER Org, F-13067 St Paul Les Durance, France.
RP Berry, J (reprint author), Oak Ridge Natl Lab, US ITER, Oak Ridge, TN 37831 USA.
EM berryjb@ornl.gov
NR 4
TC 0
Z9 0
U1 1
U2 3
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 JUL
PY 2011
VL 60
IS 1
BP 87
EP 94
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200012
ER
PT J
AU Neumeyer, C
Brooks, A
Bryant, L
Chrzanowski, J
Feder, R
Gomez, M
Heitzenroeder, P
Kalish, M
Lipski, A
Mardenfeld, M
Simmons, R
Titus, P
Zatz, I
Daly, E
Martin, A
Nakahira, M
Pillsbury, R
Feng, J
Bohm, T
Sawan, M
Griffiths, I
Schaffer, M
AF Neumeyer, C.
Brooks, A.
Bryant, L.
Chrzanowski, J.
Feder, R.
Gomez, M.
Heitzenroeder, P.
Kalish, M.
Lipski, A.
Mardenfeld, M.
Simmons, R.
Titus, P.
Zatz, I.
Daly, E.
Martin, A.
Nakahira, M.
Pillsbury, R.
Feng, J.
Bohm, T.
Sawan, M.
Griffiths, I.
Schaffer, M.
TI DESIGN OF THE ITER IN-VESSEL COILS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB The ITER project is considering the inclusion of two sets of in-vessel coils, one to mitigate the effect of Edge Localized Modes (ELMs) and another to provide vertical stabilization (VS). The in-vessel location (behind the blanket shield modules, mounted to the vacuum vessel inner wall) presents special challenges in terms of nuclear radiation (similar to 3000 MGy) and temperature (100 degrees C vessel during operations, 200 degrees C during bakeout). Mineral insulated conductors are well suited to this environment but are not commercially available in the large cross section required. An R&D program is underway to demonstrate the production of mineral insulated (MgO or Spinel) hollow copper conductor with stainless steel jacketing needed for these coils. A preliminary design based on this conductor technology has been developed and is presented herein.
C1 [Neumeyer, C.; Brooks, A.; Bryant, L.; Chrzanowski, J.; Feder, R.; Gomez, M.; Heitzenroeder, P.; Kalish, M.; Lipski, A.; Mardenfeld, M.; Simmons, R.; Titus, P.; Zatz, I.] Princeton Univ, Plasma Phys Lab, Princeton, NJ 08544 USA.
[Daly, E.; Martin, A.; Nakahira, M.] ITER Org, St Paul Les Durance, France.
[Pillsbury, R.] Sherbrooke Consulting, Arlington, VA USA.
[Feng, J.] MIT Plasma Sci & Fus Ctr, Cambridge, MA USA.
[Bohm, T.; Sawan, M.] Univ Wisconsin, Fus Technol Inst, Madison, WI USA.
[Griffiths, I.] Univ Oxford, Oxford, England.
[Schaffer, M.] Gen Atom, San Diegio, CA USA.
RP Neumeyer, C (reprint author), Princeton Univ, Plasma Phys Lab, Princeton, NJ 08544 USA.
EM neumeyer@pppl.gov; Edward.Daly@iter.org; rdpj@sherbrookeconsulting.com;
feng@psfc.mit.edu; tdbohm@wisc.edu; schaffer@fusion.gat.com
NR 7
TC 18
Z9 18
U1 0
U2 8
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 JUL
PY 2011
VL 60
IS 1
BP 95
EP 99
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200013
ER
PT J
AU Dell'Orco, G
Curd, W
Berruyer, F
Kim, S
Shearin, R
Ferrada, J
AF Dell'Orco, Giovanni
Curd, Warren
Berruyer, Fabien
Kim, Seokho
Shearin, Roy
Ferrada, Juan
TI STUDY ON THE OPTIMIZATION OF THE ITER TOKAMAK COOLING WATER SYSTEM
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB ITER is a joint international fusion facility to demonstrate the scientific and technological feasibility of fusion power for future commercial electric power facilities. ITER is designed to reject all the heat generated in the plasma and transmitted to the in-vessel components through the Tokamak Cooling Water System (TCWS) to the intermediate closed loop Component Cooling Water System (CCWS) and then to the environment via the open Heat Rejection System (HRS) and Cooling Towers. At the present the main in-vessel components as First Wall-Blanket (FW-BLK) and the Divertor (DIV) are cooled via four separated Primary Heat Transfer Systems (PHTSs). This paper describes the proposal to integrate the PHTS for the FW-BLK and DIV in a common loop to improve the availability and reliability of the cooling system. Furthermore, the paper presents the new thermal hydraulic design parameters, the relevant Process Flow Diagram (PFD) and a study for the new arrangements of the piping in the TCWS vault. Some associated issues for safety accidental scenarios are planned to be solved before the final acceptance of the proposal in the baseline design.
C1 [Dell'Orco, Giovanni; Curd, Warren; Berruyer, Fabien] ITER Org, F-13115 St Paul Les Durance, France.
[Kim, Seokho; Shearin, Roy; Ferrada, Juan] Oak Ridge Natl Lab, US ITER, Oak Ridge, TN 37831 USA.
RP Dell'Orco, G (reprint author), ITER Org, Route Vinon sur Verdon, F-13115 St Paul Les Durance, France.
EM giovanni.dellorco@iter.org
NR 8
TC 0
Z9 0
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 100
EP 104
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200014
ER
PT J
AU Ferrada, JJ
Reiersen, WT
AF Ferrada, J. J.
Reiersen, W. T.
TI RAMI ANALYSIS FOR DESIGNING AND OPTIMIZING ITER TOKAMAK COOLING WATER
SYSTEM
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB U.S. ITER is responsible for the design, engineering, and procurement of the Tokamak Cooling Water System (TCWS). TCWS is designed to provide cooling and baking for client systems that include the first wall/blanket, vacuum vessel, divertor, and neutral beam injector. Additional operations that support these primary functions include chemical control of water provided to client systems, draining and drying for maintenance, and leak detection/localization. TCWS interfaces with 27 systems including the secondary cooling system, which rejects this heat to the environment.
TCWS is complex because it serves vital functions for four primary clients whose performance is critical to ITER's success, and it interfaces with more than 20 additional ITER systems. Conceptual design of this one-of-a-kind cooling system has been completed; however, several issues remain that must be resolved before moving to the next stage of the design process. The 2004 baseline design indicated cooling loops that have no fault tolerance for component failures. During plasma operation each cooling loop relies on a single pump, a single pressurizer, and one heat exchanger. Consequently, failure of any of these would render TCWS inoperable, resulting in plasma shutdown. The application of reliability, availability, maintainability, and inspectability (RAMI) tools during the different stages of TCWS design is crucial for optimization purposes and for maintaining compliance with project requirements.
RAMI analysis indicates appropriate equipment redundancy that provides graceful degradation in the event of an equipment failure. Results from the study indicate that pump and heat exchanger reliability are key issues.
The ITER International Organization (ITER 10) RAMI group has proposed standardization for the pumps and heat exchangers to reduce fabrication risks of one-of-a-kind components. An aggressive maintenance/repair program should be an integral part of ITER operations. Preventive maintenance should be part of the maintenance system.
For equipment that is infrequently operated, it is suggested that the key components be tested on a regular basis. The analysis has indicated that the RAMI requirements have been exceeded at this point, allowing concentration on cost optimization.
C1 [Ferrada, J. J.; Reiersen, W. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Ferrada, JJ (reprint author), Oak Ridge Natl Lab, 1055 Commerce Pk, Oak Ridge, TN 37831 USA.
NR 5
TC 1
Z9 1
U1 1
U2 3
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 JUL
PY 2011
VL 60
IS 1
BP 105
EP 112
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200015
ER
PT J
AU Popov, E
Ying, A
AF Popov, Emilian
Ying, Alice
TI MODELING AND SIMULATION OF THE ITER FIRST WALL/BLANKET PRIMARY HEAT
TRANSFER SYSTEM
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB ITER inductive power operation is modeled and simulated using a thermal-hydraulics system code (RELAP5) integrated with a 3-D CFD (SC-Tetra) code. The Primary Heat Transfer System (PHTS) functions are predicted together with the main parameters operational ranges. The control algorithm strategy and derivation are summarized as well.
The First Wall and Blanket modules are the primary components of PHTS, used to remove the major part of the thermal heat from the plasma. The modules represent a set of flow channels in solid metal structure that serve to absorb the radiation heat and nuclear heating from the fusion reactions and to provide shield for the vacuum vessel.
The blanket modules are water cooled. The cooling is forced convective with constant blanket inlet temperature and mass flow rate. Three independent water loops supply coolant to the three blanket sectors. The main equipment of each loop consists of a pump, a steam pressurizer and a heat exchanger.
A major feature of ITER is the pulsed operation. The plasma does not burn continuously, but on intervals with large periods of no power between them. This specific feature causes design challenges to accommodate the thermal expansion of the coolant during the pulse period and requires active temperature control to maintain a constant blanket inlet temperature.
C1 [Popov, Emilian] ORNL, Reactor & Nucl Syst Div, Oak Ridge, TN USA.
[Ying, Alice] Univ Calif Los Angeles, Mech & Aerosp Engn Dep, Los Angeles, CA USA.
RP Popov, E (reprint author), ORNL, Reactor & Nucl Syst Div, Oak Ridge, TN USA.
EM popove@ornl.gov; ying@fusion.ucla.edu
NR 3
TC 0
Z9 0
U1 1
U2 4
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 JUL
PY 2011
VL 60
IS 1
BP 128
EP 133
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200019
ER
PT J
AU Carbajo, JJ
Yoder, GL
Kim, SH
AF Carbajo, Juan J.
Yoder, Graydon L.
Kim, Seokho H.
TI THERMAL DESIGN OF THE ITER VACUUM VESSEL COOLING SYSTEM
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB RELAP5-3D models of the ITER Vacuum Vessel (VV) Primary Heat Transfer System (PHTS) have been developed The design of the cooling system is described in detail, and RELAP5 results are presented Two parallel pump/heat exchanger trains comprise the design one train is for full-power operation and the other is for emergency operation or operation at decay heat levels. All the components are located inside the Tokamak Building (a significant change from the original configurations). The results presented include operation at full power, decay heat operation, and baking operation. The RELAP5-3D results confirm that the design can operate satisfactorily during normal pulsed power operation, decay heat operation and baking operation. All the temperatures in the coolant and in the different system components are maintained within acceptable operating limits.
C1 [Carbajo, Juan J.; Yoder, Graydon L.; Kim, Seokho H.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Carbajo, JJ (reprint author), Oak Ridge Natl Lab, POB 2008,MS 6167, Oak Ridge, TN 37831 USA.
EM carbajojj@ornl.gov
NR 5
TC 0
Z9 0
U1 1
U2 3
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 JUL
PY 2011
VL 60
IS 1
BP 150
EP 155
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200023
ER
PT J
AU Kim, SH
Berry, JB
AF Kim, Seokho H.
Berry, Jeanette B.
TI CRITICAL DESIGN ISSUES OF THE TOKAMAK COOLING WATER SYSTEM OF ITER'S
FUSION REACTOR
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB U.S. ITER is responsible for the design, engineering, and procurement of the Tokamak Cooling Water System. The TCWS transfers heat generated in the Tokamak to cooling water during nominal pulsed operation-850 MW at up to 150 degrees C and 4.2MPa water pressure. This water contains radionuclides because impurities (e.g., tritium) diffuse from in-vessel components and the vacuum vessel by water baking at 200-240 degrees C at up to 4.4MPa, and corrosion products become activated by neutron. The complexity of the TCWS design and fabrication presents unique challenges. During completion of the conceptual design of this one-of-a-kind cooling system, several issues were identified because of complex system requirements. Those issues include flow balancing between over a hundred branch pipelines in parallel to supply cooling water to blankets, determination of optimum flow velocity while minimizing the potential for cavitation damage, design for freezing protection for cooling water flowing through the cryostat (freezing environment), requirements for high-energy piping design, and electromagnetic impact to piping and components. Although the TCWS consists of standard commercial components such as piping with valves and fittings, heat exchangers, and pumps, complex requirements present interesting design challenges. The TCWS conceptual design and strategies for resolving critical design issues are described.
C1 [Kim, Seokho H.; Berry, Jeanette B.] Oak Ridge Natl Lab, US ITER, Oak Ridge, TN 37830 USA.
RP Kim, SH (reprint author), Oak Ridge Natl Lab, US ITER, 1055 Commerce Pk, Oak Ridge, TN 37830 USA.
EM kims@ornl.gov
NR 1
TC 0
Z9 0
U1 1
U2 3
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 JUL
PY 2011
VL 60
IS 1
BP 156
EP 160
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200024
ER
PT J
AU Youchison, DL
Ulrickson, MA
Bullock, JH
AF Youchison, D. L.
Ulrickson, M. A.
Bullock, J. H.
TI PREDICTION OF CRITICAL HEAT FLUX IN WATER-COOLED PLASMA FACING
COMPONENTS USING COMPUTATIONAL FLUID DYNAMICS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
ID NUMERICAL SIMULATIONS; ITER; HYPERVAPOTRON; DIAMETER; MODEL; FLOW
AB Several commercial computational fluid dynamics (CFD) codes now have the capability to analyze Eulerian two-phase flow using the Rohsenow nucleate boiling model. Analysis of boiling due to one-sided heating in plasma facing components (pfcs) is now receiving attention during the design of water-cooled first wall panels for ITER that may encounter heat fluxes as high as 5 MW/m(2). Empirical thermalhydraulic design correlations developed for long fission reactor channels are not reliable when applied to pfcs because fully developed flow conditions seldom exist. Star-CCM+ is one of the commercial CFD codes that can model two-phase flows. Like others, it implements the RPI model for nucleate boiling, but it also seamlessly transitions to a volume-of-fluid model for film boiling. By benchmarking the results of our 3d models against recent experiments on critical heat flux for both smooth rectangular channels and hypervapotrons, we determined the six unique input parameters that accurately characterize the boiling physics for ITER flow conditions under a wide range of absorbed heat flux. We can now exploit this capability to predict the onset of critical heat flux in these components. In addition, the results clearly illustrate the production and transport of vapor and its effect on heat transfer in pfcs from nucleate boiling through transition to film boiling.
This article describes the boiling physics implemented in CCM+ and compares the computational results to the benchmark experiments carried out independently in the United States and Russia. Temperature distributions agreed to within 10 degrees C for a wide range of heat fluxes from 3 MW/m(2) to 10 MW/m(2) and flow velocities from I m/s to 10 m/s in these devices. Although the analysis is incapable of capturing the stochastic nature of critical heat flux (i.e., time and location may depend on a local materials defect or turbulence phenomenon), it is highly reliable in determining the heat flux where boiling instabilities begin to dominate. Beyond this threshold, higher heat fluxes lead to the boiling crisis and eventual burnout. This predictive capability is essential in determining the critical heat flux margin for the design of complex 3d components.
C1 [Youchison, D. L.; Ulrickson, M. A.; Bullock, J. H.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Youchison, DL (reprint author), Sandia Natl Labs, MS1129,POB 5800, Albuquerque, NM 87185 USA.
EM dlyouch@sandia.gov; maulric@sandia.gov
NR 26
TC 13
Z9 13
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 177
EP 184
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200028
ER
PT J
AU El-Guebaly, L
Kurtz, R
Rieth, M
Kurishita, H
Robinson, A
AF El-Guebaly, L.
Kurtz, R.
Rieth, M.
Kurishita, H.
Robinson, A.
CA ARIES Team
TI W-BASED ALLOYS FOR ADVANCED DIVERTOR DESIGNS: OPTIONS AND ENVIRONMENTAL
IMPACT OF STATE-OF-THE-ART ALLOYS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
ID STRUCTURAL-MATERIALS; TUNGSTEN; IMPURITIES; FRACTURE
AB The development of radiation-resistant materials to sustain the harsh fusion environment represents a challenging task for divertor designers. In recent years, advanced physics simulations of the power leaving the plasma with radiation and charged particles indicate much higher heat fluxes to the divertor than previous estimates. In response, experts in EU, Japan, and US developed several W alloys for advanced He-cooled divertors that can handle heat fluxes in excess of 10 MW/m(2). This paper briefly discusses the ongoing effort to develop W alloys suitable for fusion applications, the challenging phenomena impacting the behavior of W under a fusion environment, and the environmental impact of the most promising, state-of-the-art alloys: W-La(2)O(3) and W-1.1TiC.
C1 [El-Guebaly, L.; Robinson, A.] Univ Wisconsin, Madison, WI 53706 USA.
[Kurtz, R.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Rieth, M.] Karlsruhe Inst Technol, IMF I, D-76021 Karlsruhe, Germany.
[Kurishita, H.] Tohoku Univ, IMR, Oarai, Ibaraki 3111313, Japan.
RP El-Guebaly, L (reprint author), Univ Wisconsin, 1500 Engn Dr, Madison, WI 53706 USA.
EM elguebaly@engr.wisc.edu; rj.kurtz@pnl.gov; michael.rieth@kit.edu;
kurishi@imr.tohoku.ac.jp; aprobinson@wisc.edu
RI Rieth, Michael/E-4245-2017
OI Rieth, Michael/0000-0002-6231-6241
NR 20
TC 12
Z9 12
U1 1
U2 5
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 185
EP 189
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200029
ER
PT J
AU Zweben, SJ
Ellis, RA
Titus, P
Xing, A
Zhang, H
AF Zweben, S. J.
Ellis, R. A.
Titus, P.
Xing, A.
Zhang, H.
TI RAPIDLY MOVING DIVERTOR PLATES IN A TOKAMAK
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
ID PEBBLE DIVERTOR
AB It may be possible to replace conventional actively cooled tokamak divertor plates with a set of rapidly moving, passively cooled divertor plates on rails. These plates would absorb the plasma heat flux with their thermal inertia for similar to 10-30 sec, and would then be removed from the vessel for processing. When outside the tokamak, these plates could be cooled, cleaned, recoated, inspected, and then returned to the vessel in an automated loop. This scheme could provide near-optimal divertor surfaces at all times, and avoid the need to stop machine operation for repair of damaged or eroded plates. We describe various possible divertor plate designs and access geometries, and discuss an initial design for a movable and removable divertor module for NSTX-U.
C1 [Zweben, S. J.; Ellis, R. A.; Titus, P.; Xing, A.; Zhang, H.] Princeton Plasma Phys Lab, Princeton, NJ 08540 USA.
RP Zweben, SJ (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08540 USA.
EM szweben@pppl.gov
NR 10
TC 1
Z9 1
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 197
EP 202
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200031
ER
PT J
AU Kotulski, JD
Coats, RS
Pasik, MF
Ulrickson, M
AF Kotulski, J. D.
Coats, R. S.
Pasik, M. F.
Ulrickson, M.
TI ELECTROMAGNETIC ANALYSIS OF FORCES AND TORQUES ON SELECTED COMPONENTS OF
THE ITER BLANKET SYSTEM DUE TO PLASMA DISRUPTION
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB The ITER device is based on the tokamak concept of magnetic confinement in which the plasma is contained by the use of strong magnetic fields. The nearest structure to the plasma is the blanket system which provides shielding to the vacuum vessel and the superconducting magnets. There are potential abnormal operating environments where the plasma currents inside the tokamak are disrupted and induce eddy currents in the blanket (first wall and shield module). These currents interact with the large magnetic fields to produce forces in the blanket which could potentially cause mechanical failure in the first wall, shield module, or vacuum vessel. For this reason the design and qualification of the ITER blanket system requires appropriate high-fidelity electromagnetic simulations that capture the physics of these disruption scenarios.
A number of different geometries will be discussed revealing the effect of different first wall designs and shield modules on the forces and torques experienced by these assemblies during plasma disruption.
The key features of the modeling procedure will be presented including the plasma current modeling and geometric modeling of the first wall, shield modules, and vacuum vessel. The eddy current calculation is performed using the Opera-3d software.
C1 [Kotulski, J. D.; Coats, R. S.; Pasik, M. F.; Ulrickson, M.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Kotulski, JD (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM jdkotul@sandia.gov
NR 4
TC 2
Z9 2
U1 1
U2 5
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 272
EP 277
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200044
ER
PT J
AU Katsui, H
Hasegawa, A
Katoh, Y
Hatano, Y
Tanaka, T
Nogami, S
Hinoki, T
Shikama, T
AF Katsui, H.
Hasegawa, A.
Katoh, Y.
Hatano, Y.
Tanaka, T.
Nogami, S.
Hinoki, T.
Shikama, T.
TI STUDY ON COMPATIBILITY BETWEEN SILICON CARBIDE AND SOLID BREEDING
MATERIALS UNDER NEUTRON IRRADIATION
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
ID SIC/SIC COMPOSITES; LI2TIO3
AB Compatibility of monolithic silicon carbide (SiC) with ternary lithium ceramics (Li(1-x)AlO(2-y), Li(2-x)TiO(3-y), Li(2-x)ZrO(3-y), and Li(4-x)SiO(4-y)) under irradiation of neutrons at high temperatures was studied Disk samples of SiC in contact with sintered ternary lithium ceramics were irradiated in High Flux Isotope Reactor (HFIR) at 800 degrees C to 5.9 displacements per atom (dpa). Chemical reactions of SiC as determined by appearance of the surface were relatively less significant for the systems of SiC/Li(1-x)AlO(2-y) and SiC/Li(2-x)TiO(3-y), whereas some bonding likely due to chemical reaction between SiC and the lithium ceramics and broken samples were observed in the systems of SiC/Li(2-x)ZrO(3-y) and SiC/Li(4-x)SiO(4-y). The effect of lithium burnup due to the (n, alpha) nuclear reaction was also examined by using samples of lithium ceramics whose lithium ratio was hypo-stoichiometric in the fabrication process. More reaction products were observed on the surface of beta-SiC in contact with Li(1-x)AlO(2-y) having the lower lithium ratio (Li/Al). It was considered that the formation of LiAl(5)O(8) phase due to lithium loss could deteriorate the compatibility of the SiC - Li(1-x)AlO(2-y) system.
C1 [Katsui, H.; Shikama, T.] Tohoku Univ, Inst Mat Res, Sendai, Miyagi, Japan.
[Hasegawa, A.; Nogami, S.] Tohoku Univ, Dept Quantum Sci & Energy Engn, Sendai, Miyagi 980, Japan.
[Katoh, Y.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN USA.
[Hatano, Y.] Toyama Univ, Hydrogen Isotope Res Ctr, Toyama 930, Japan.
[Tanaka, T.] Natl Inst Nat Sci, Natl Inst Fus Sci, Dept Helical Plasma Res, Toki, Gifu 5095292, Japan.
[Hinoki, T.] Kyoto Univ, Inst Adv Energy, Kyoto, Japan.
RP Katsui, H (reprint author), Tohoku Univ, Inst Mat Res, Sendai, Miyagi, Japan.
EM katsui@imr.tohoku.ac.jp
RI Katsui, Hirokazu/A-8115-2011;
OI Katsui, Hirokazu/0000-0002-6715-7788; Katoh, Yutai/0000-0001-9494-5862
NR 11
TC 5
Z9 5
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 288
EP 291
PG 4
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200047
ER
PT J
AU Tresemer, K
Stevenson, T
Priniski, C
Winkelman, J
Bryant, L
Wood, R
AF Tresemer, K.
Stevenson, T.
Priniski, C.
Winkelman, J.
Bryant, L.
Wood, R.
TI NEUTRAL BEAM ARMOR FOR NSTX UPGRADE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB The National Spherical Torus Experiment (NSTX) is a low aspect ratio, spherical torus (ST) configuration device which is located at Princeton Plasma Physics Laboratory (PPPL). This device is presently being upgraded to enhance its operations by adding a second Neutral Beamline (NBL). This change will nearly double the power available to the plasma but necessitate improvements to other design aspects of NSTX Included in these upgrades are the relocation and upgrade of the NSTX Neutral Beam Armor to capture both sets of beamline source profiles while maintaining the same level of vacuum vessel wall protection.
In order to minimize the space required to accomplish this, it has been proposed to relocate and reuse the existing armor array, improving the design so that two overlapping sets of beam profiles both fit completely. This beam fine overlap could possibly cause the armor tiles to experience higher heat fluxes which translate into higher internal mechanical stresses. This would be mitigated by changing the isotropic graphite (ATJ) tiles in the overlap areas to a rugged 3D carbon-fiber composite (CFC) material, capable of handling thermally-induced stresses. Additional benefits to this recycling design proposal include opportunities to reduce project cost, increase diagnostic port access, and improve an awkward and difficult mounting scheme.
C1 [Tresemer, K.; Stevenson, T.; Priniski, C.; Winkelman, J.; Bryant, L.; Wood, R.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Tresemer, K (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM ktresemer@pppl.gov
NR 6
TC 2
Z9 2
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 303
EP 307
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200050
ER
PT J
AU Muroga, T
Sze, DK
Okuno, K
Terai, T
Kimura, A
Kurtz, RJ
Sagara, A
Nygren, R
Ueda, Y
Doerner, RP
Sharpe, JP
Kunugi, T
Morley, NB
Hatano, Y
Sokolov, MA
Yamamoto, T
Hasegawa, A
Katoh, Y
Ohno, N
Tokunaga, K
Konishi, S
Fukuda, S
Calderoni, P
Yokomine, T
Messadek, K
Oya, Y
Hashimoto, N
Hinoki, T
Hashizume, H
Norimatsu, T
Shikama, T
Stoller, RE
Tanaka, KA
Tillack, MS
AF Muroga, T.
Sze, D. K.
Okuno, K.
Terai, T.
Kimura, A.
Kurtz, R. J.
Sagara, A.
Nygren, R.
Ueda, Y.
Doerner, R. P.
Sharpe, J. P.
Kunugi, T.
Morley, N. B.
Hatano, Y.
Sokolov, M. A.
Yamamoto, T.
Hasegawa, A.
Katoh, Y.
Ohno, N.
Tokunaga, K.
Konishi, S.
Fukuda, S.
Calderoni, P.
Yokomine, T.
Messadek, K.
Oya, Y.
Hashimoto, N.
Hinoki, T.
Hashizume, H.
Norimatsu, T.
Shikama, T.
Stoller, R. E.
Tanaka, K. A.
Tillack, M. S.
TI MIDTERM SUMMARY OF JAPAN-US FUSION COOPERATION PROGRAM TITAN
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
ID IRRADIATION; BLANKET; TUNGSTEN; FLOWS
AB Japan-US cooperation program TITAN (Tritium, Irradiation and Thermofluid for America and Nippon) started in April 2007 as 6-year project. This is the summary report at the midterm of the project. Historical overview of the Japan-US cooperation programs and direction of the TITAN project in its second half are presented in addition to the technical highlights.
C1 [Muroga, T.; Sagara, A.] NIFS, Toki, Gifu, Japan.
[Sze, D. K.; Doerner, R. P.; Tillack, M. S.] UCSD, San Diego, CA USA.
[Okuno, K.; Oya, Y.] Shizuoka Univ, Shizuoka, Japan.
[Terai, T.] Univ Tokyo, Tokyo, Japan.
[Kimura, A.; Konishi, S.; Hinoki, T.] Kyoto Univ, Uji, Kyoto, Japan.
[Kurtz, R. J.] PNNL, Richland, WA USA.
[Nygren, R.] SNL, Albuquerque, NM USA.
[Ueda, Y.; Norimatsu, T.; Tanaka, K. A.] Osaka Univ, Suita, Osaka, Japan.
[Sharpe, J. P.; Calderoni, P.] INL, Idaho Falls, ID USA.
[Kunugi, T.; Yokomine, T.] Kyoto Univ, Kyoto, Japan.
[Morley, N. B.; Messadek, K.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Hatano, Y.] Toyama Univ, Toyama 930, Japan.
[Sokolov, M. A.; Katoh, Y.; Stoller, R. E.] ORNL, Oak Ridge, TN USA.
[Yamamoto, T.] UCSB Santa Barbara, Santa Barbara, CA USA.
[Hasegawa, A.; Hashizume, H.; Shikama, T.] Tohoku Univ, Sendai, Miyagi 980, Japan.
[Ohno, N.] Nagoya Univ, Nagoya, Aichi 4648601, Japan.
[Tokunaga, K.; Fukuda, S.] Kyushu Univ, Kasuga, Fukuoka 816, Japan.
[Hashimoto, N.] Hokkaido Univ, Sapporo, Hokkaido, Japan.
RP Muroga, T (reprint author), NIFS, Toki, Gifu, Japan.
EM muroga@nifs.ac.jp
RI Stoller, Roger/H-4454-2011; HASHIMOTO, Naoyuki/D-6366-2012; Kyushu,
RIAM/F-4018-2015;
OI Katoh, Yutai/0000-0001-9494-5862
NR 20
TC 5
Z9 5
U1 0
U2 10
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 JUL
PY 2011
VL 60
IS 1
BP 321
EP 328
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200053
ER
PT J
AU Hunt, R
Zhang, HJ
Ying, A
Ulrickson, M
AF Hunt, Ryan
Zhang, Hongjie
Ying, Alice
Ulrickson, Michael
TI ASSESSMENT OF BERYLLIUM TILE SIZE IN ITER EHF FIRST WALL
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan, Gen Atom, Univ California
AB This research reveals the results of a thermo-mechanical stress analysis of the beryllium and CuCrZr components of the Enhanced Heat Flux (EHF) First Wall (FW). Under the EHF thermal load, differential thermal expansion at the Be/CuCrZr interface can potentially lead to failure of the beryllium tiles. We have shown that the stress profile in both beryllium and CuCrZr can be improved by reducing the dimensions of the beryllium tiles covering the FW panels.
In addition, our research investigated a failure condition for the FW finger's design. Specifically, we assessed the temperature profile at the CuCrZr/water interface of the EHF FW finger in the event of a single failed tile. This was done in order to determine whether or not the critical heat flux condition occurs in the coolant channel after a single tile failure. Assuming the failure of a single tile between 11.75mm and 50mm in size, temperature profiles were generated assuming flat, rectangular water cooling channels. It was found that tile failure from the edges of the finger resulted in considerably higher temperatures than tile failures at the middle of the finger. Failure of a tile along the edge of the finger may cause catastrophic failure, as the critical heat flux condition occurred at the CuCrZr/water interface even for tiles as small as 11.75mm in size.
C1 [Hunt, Ryan; Zhang, Hongjie; Ying, Alice] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90024 USA.
[Ulrickson, Michael] Sandia Natl Labs, Fus Technol Dept, Albuquerque, NM 87185 USA.
RP Hunt, R (reprint author), Univ Calif Los Angeles, Dept Mech & Aerosp Engn, 420 Westwood Plaza, Los Angeles, CA 90024 USA.
EM rhunt@ucla.edu
NR 5
TC 1
Z9 1
U1 0
U2 3
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 354
EP 358
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200059
ER
PT J
AU Youngblood, GE
Thomsen, EC
Shinavski, RJ
AF Youngblood, G. E.
Thomsen, E. C.
Shinavski, R. J.
TI ELECTRICAL CONDUCTIVITY OF 2D-SICF/CVI-SIC
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Topical Meeting on the Technology of Fusion Energy (TOFE-19)
CY NOV 08-11, 2011
CL Las Vegas, NV
SP Amer Nucl Soc Fus Energy Div, US Dept Energy, Atom Energy Soc Japan (AESJ), Gen Atom, Univ California, Sch Med
AB Electrical conductivity (EC) data for several plate forms of two-dimensional, silicon carbide composite made with chemical vapor infiltration matrix and with Hi Nicalon (TM) type S fibers (2D-SiCf/CVI-SiC) were acquired. The composite fibers were coated with pyrocarbon (PyC) of various thicknesses (50 to 310 nm) and an outer thin (similar to 60 mu m) SiC "seal coat" was applied by CVD to the infiltrated plates.
The EC was highly anisotropic in the transverse and in-plane directions. In-plane EC ranged from similar to 150 to 1600 S/m, increased slowly with increasing temperature, and depended primarily on the total PyC thickness. High in-plane EC-values occur because it is dominated by conduction along the numerous, continuous PyC fiber coating pathways. Transverse EC ranged from similar to 1 to 60 S/m, and increased strongly with increasing temperature up to 800 degrees C. The transverse EC is controlled by conduction through the interconnections of the carbon-coating network within and between fiber bundles, especially at moderate temperatures (degrees 300 to 700 degrees C). Below similar to 300 degrees C, the electrical resistance of the pure SiC seal coat becomes increasingly more important as temperatures are further lowered.
Importantly, a "3-layer series" model predicts that transverse EC-values for a standard seal-coated 2D-SiCf/CV1-SiC with a monolayer PyC fiber coating of similar to 50-nm thickness will be <20 S/m for all temperatures up to 800 degrees C, as desired for a flow channel insert in a fusion reactor blanket component.
C1 [Youngblood, G. E.; Thomsen, E. C.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Shinavski, R. J.] Hyper Therm HTC Inc, Huntington Beach, CA 92648 USA.
RP Youngblood, GE (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM ge.youngblood@pnl.gov
NR 3
TC 1
Z9 1
U1 0
U2 4
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD JUL
PY 2011
VL 60
IS 1
BP 364
EP 368
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 801EP
UT WOS:000293420200061
ER
PT J
AU Hively, L
Sheldon, F
Squicciarini, AC
AF Hively, Lee
Sheldon, Frederick
Squicciarini, Anna Cinzia
TI Toward Scalable Trustworthy Computing Using the
Human-Physiology-Immunity Metaphor
SO IEEE SECURITY & PRIVACY
LA English
DT Article
C1 [Hively, Lee; Sheldon, Frederick] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Squicciarini, Anna Cinzia] Penn State Univ, Coll Informat Sci & Technol, University Pk, PA 16802 USA.
RP Hively, L (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN USA.
EM hivelylm@ornl.gov; sheldon@ieee.org; acs20@psu.edu
OI Sheldon, Frederick/0000-0003-1241-2750
FU US Department of Energy [DE-AC05-00OR222725]
FX UT-Battelle LLC manages Oak Ridge National Laboratory for the US
Department of Energy, under Contract DE-AC05-00OR222725.
NR 12
TC 2
Z9 2
U1 0
U2 2
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1540-7993
J9 IEEE SECUR PRIV
JI IEEE Secur. Priv.
PD JUL-AUG
PY 2011
VL 9
IS 4
BP 14
EP 23
PG 10
WC Computer Science, Information Systems; Computer Science, Software
Engineering
SC Computer Science
GA 800LP
UT WOS:000293361700003
ER
PT J
AU Kraft, AD
Harry, GJ
AF Kraft, Andrew D.
Harry, G. Jean
TI Features of Microglia and Neuroinflammation Relevant to Environmental
Exposure and Neurotoxicity
SO INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
LA English
DT Review
DE neuroinflammation; microglia; neurotoxicity; neurodegeneration;
cytokines; environmental exposure
ID CENTRAL-NERVOUS-SYSTEM; BLOOD-BRAIN-BARRIER; DIESEL EXHAUST PARTICLES;
TOLL-LIKE RECEPTORS; NITRIC-OXIDE SYNTHASE; MANGANESE-INDUCED
PARKINSONISM; FOCAL CEREBRAL-ISCHEMIA; NECROSIS-FACTOR-ALPHA;
NONSTEROIDAL ANTIINFLAMMATORY DRUGS; OXIDATIVE STRESS CONTRIBUTES
AB Microglia are resident cells of the brain involved in regulatory processes critical for development, maintenance of the neural environment, injury and repair. They belong to the monocytic-macrophage lineage and serve as brain immune cells to orchestrate innate immune responses; however, they are distinct from other tissue macrophages due to their relatively quiescent phenotype and tight regulation by the CNS microenvironment. Microglia actively survey the surrounding parenchyma and respond rapidly to changes such that any disruption to neural architecture or function can contribute to the loss in regulation of the microglia phenotype. In many models of neurodegeneration and neurotoxicity, early events of synaptic degeneration and neuronal loss are accompanied by an inflammatory response including activation of microglia, perivascular monocytes, and recruitment of leukocytes. In culture, microglia have been shown to be capable of releasing several potentially cytotoxic substances, such as reactive oxygen intermediates, nitric oxide, proteases, arachidonic acid derivatives, excitatory amino acids, and cytokines; however, they also produce various neurotrophic factors and quench damage from free radicals and excitotoxins. As the primary source for pro-inflammatory cytokines, microglia are implicated as pivotal mediators of neuroinflammation and can induce or modulate a broad spectrum of cellular responses. Neuroinflammation should be considered as a balanced network of processes whereby subtle modifications can shift the cells toward disparate outcomes. For any evaluation of neuroinflammation and microglial responses, within the framework of neurotoxicity or degeneration, one key question in determining the consequence of neuroinflammation is whether the response is an initiating event or the consequence of tissue damage. As examples of environmental exposure-related neuroinflammation in the literature, we provide an evaluation of data on manganese and diesel exhaust particles.
C1 [Harry, G. Jean] NIEHS, Neurotoxicol Grp, Lab Toxicol & Pharmacol, NIH, Res Triangle Pk, NC 27709 USA.
[Kraft, Andrew D.] US EPA, Oak Ridge Inst Sci & Educ Res Participant, Natl Ctr Environm Assessment, Off Res & Dev, Arlington, VA 22202 USA.
RP Harry, GJ (reprint author), NIEHS, Neurotoxicol Grp, Lab Toxicol & Pharmacol, NIH, Res Triangle Pk, NC 27709 USA.
EM kraft.andrew@epamail.epa.gov; harry@niehs.nih.gov
FU Division of Intramural Research, National Institute of Environmental
Health Sciences, National Institutes of Health, Department of Health and
Human Services [1Z01ES101623 and ES021164]; U.S. Department of Energy;
EPA
FX This research was supported by the Division of Intramural Research,
National Institute of Environmental Health Sciences, National Institutes
of Health, Department of Health and Human Services #1Z01ES101623 and
ES021164, and in part by an appointment to the Research Participation
Program for the U. S. Environmental Protection Agency, Office of
Research and Development, administered by the Oak Ridge Institute for
Science and Education through an interagency agreement between the U.S.
Department of Energy and EPA. The views expressed in this article are
those of the authors and they do not represent the NIH or U. S. EPA
policy and guidance.
NR 282
TC 76
Z9 80
U1 3
U2 24
PU MDPI AG
PI BASEL
PA POSTFACH, CH-4005 BASEL, SWITZERLAND
SN 1660-4601
J9 INT J ENV RES PUB HE
JI Int. J. Environ. Res. Public Health
PD JUL
PY 2011
VL 8
IS 7
BP 2980
EP 3018
DI 10.3390/ijerph8072980
PG 39
WC Environmental Sciences; Public, Environmental & Occupational Health
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health
GA 796QS
UT WOS:000293067300025
PM 21845170
ER
PT J
AU Dong, QF
Brulc, JM
Iovieno, A
Bates, B
Garoutte, A
Miller, D
Revanna, KV
Gao, X
Antonopoulos, DA
Slepak, VZ
Shestopalov, VI
AF Dong, Qunfeng
Brulc, Jennifer M.
Iovieno, Alfonso
Bates, Brandon
Garoutte, Aaron
Miller, Darlene
Revanna, Kashi V.
Gao, Xiang
Antonopoulos, Dionysios A.
Slepak, Vladlen Z.
Shestopalov, Valery I.
TI Diversity of Bacteria at Healthy Human Conjunctiva
SO INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE
LA English
DT Article
ID RIBOSOMAL-RNA GENE; MULTIPLE DISPLACEMENT AMPLIFICATION; CORE GUT
MICROBIOME; TOLL-LIKE RECEPTORS; OCULAR SURFACE; IMMUNE-RESPONSE; SKIN
MICROBIOTA; FLORA; MICROORGANISMS; IDENTIFICATION
AB PURPOSE. Ocular surface (OS) microbiota contributes to infectious and autoimmune diseases of the eye. Comprehensive analysis of microbial diversity at the OS has been impossible because of the limitations of conventional cultivation techniques. This pilot study aimed to explore true diversity of human OS microbiota using DNA sequencing-based detection and identification of bacteria.
METHODS. Composition of the bacterial community was characterized using deep sequencing of the 16S rRNA gene amplicon libraries generated from total conjunctival swab DNA. The DNA sequences were classified and the diversity parameters measured using bioinformatics software ESPRIT and MOTHUR and tools available through the Ribosomal Database Project-II (RDP-II).
RESULTS. Deep sequencing of conjunctival rDNA from four subjects yielded a total of 115,003 quality DNA reads, corresponding to 221 species-level phylotypes per subject. The combined bacterial community classified into 5 phyla and 59 distinct genera. However, 31% of all DNA reads belonged to unclassified or novel bacteria. The intersubject variability of individual OS microbiomes was very significant. Regardless, 12 genera-Pseudomonas, Propionibacterium, Bradyrhizobium, Corynebacterium, Acinetobacter, Brevundimonas, Staphylococci, Aquabacterium, Sphingomonas, Streptococcus, Streptophyta, and Methylobacterium-were ubiquitous among the analyzed cohort and represented the putative "core" of conjunctival microbiota. The other 47 genera accounted for <4% of the classified portion of this microbiome. Unexpectedly, healthy conjunctiva contained many genera that are commonly identified as ocular surface pathogens.
CONCLUSIONS. The first DNA sequencing-based survey of bacterial population at the conjunctiva have revealed an unexpectedly diverse microbial community. All analyzed samples contained ubiquitous (core) genera that included commensal, environmental, and opportunistic pathogenic bacteria. (Invest Ophthalmol Vis Sci. 2011; 52: 5408-5413) DOI: 10.1167/iovs.10-6939
C1 [Iovieno, Alfonso; Miller, Darlene; Shestopalov, Valery I.] Univ Miami, Miller Sch Med, Bascom Palmer Eye Inst, Dept Ophthalmol, Miami, FL 33136 USA.
[Dong, Qunfeng; Revanna, Kashi V.; Gao, Xiang] Univ N Texas, Dept Biol Sci, Denton, TX 76203 USA.
[Dong, Qunfeng; Revanna, Kashi V.; Gao, Xiang] Univ N Texas, Dept Comp Sci, Denton, TX 76203 USA.
[Dong, Qunfeng; Revanna, Kashi V.; Gao, Xiang] Univ N Texas, Dept Engn, Denton, TX 76203 USA.
[Brulc, Jennifer M.; Bates, Brandon; Garoutte, Aaron; Antonopoulos, Dionysios A.] Argonne Natl Lab, Inst Genom & Syst Biol, Argonne, IL 60439 USA.
[Slepak, Vladlen Z.] Univ Miami, Miller Sch Med, Dept Mol & Cellular Pharmacol, Miami, FL 33136 USA.
[Shestopalov, Valery I.] Univ Miami, Miller Sch Med, Dept Anat & Cell Biol, Miami, FL 33136 USA.
RP Shestopalov, VI (reprint author), Univ Miami, Miller Sch Med, Bascom Palmer Eye Inst, Dept Ophthalmol, Miami, FL 33136 USA.
EM vshestopalov@med.miami.edu
RI Miller, Darlene /C-9053-2013; Iovieno, Alfonso /B-2939-2011
FU Department of Ophthalmology, Bascom Palmer Eye Institute; National
Institutes of Health [EY019974, RO1EY018666, P30 EY014801l]; Research to
Prevent Blindness
FX Supported by the Department of Ophthalmology, Bascom Palmer Eye
Institute; National Institutes of Health Grants EY019974 (VIS) and
RO1EY018666 (VZS) and Center Grant P30 EY014801l; and an unrestricted
grant from Research to Prevent Blindness to the Department of
Ophthalmology.; The authors thank the Bascom Palmer Eye Institute,
Department of Ophthalmology, for full support of this study, all
volunteers at BPEI for their dedication to ocular biomedical studies,
the personnel of the High-Throughput Sequencing Core at the Argonne
National Laboratory, and the UNT Bioinformatics Core at the Department
of Biology for their expert help in processing and for analysis of
conjunctival samples.
NR 59
TC 49
Z9 52
U1 5
U2 36
PU ASSOC RESEARCH VISION OPHTHALMOLOGY INC
PI ROCKVILLE
PA 12300 TWINBROOK PARKWAY, ROCKVILLE, MD 20852-1606 USA
SN 0146-0404
J9 INVEST OPHTH VIS SCI
JI Invest. Ophthalmol. Vis. Sci.
PD JUL
PY 2011
VL 52
IS 8
BP 5408
EP 5413
DI 10.1167/iovs.10-6939
PG 6
WC Ophthalmology
SC Ophthalmology
GA 800QC
UT WOS:000293377400051
PM 21571682
ER
PT J
AU Soh, DBS
Bisson, SE
Patterson, BD
Moore, SW
AF Soh, Daniel B. S.
Bisson, Scott E.
Patterson, Brian D.
Moore, Sean W.
TI High-power all-fiber passively Q-switched laser using a doped fiber as a
saturable absorber: numerical simulations
SO OPTICS LETTERS
LA English
DT Article
AB We report a design for a power-scalable all-fiber passively Q-switched laser that uses a large mode area Yb-doped fiber as a gain medium adiabatically tapered to an unpumped single-mode Yb-doped fiber, which serves as a saturable absorber. Through the use of a comprehensive numerical simulator, we demonstrate a passively Q-switched 1030 nm pulsed laser with 14 ns pulse duration and 0: 5 mJ pulse energy operating at 200 kHz repetition rate. The proposed configuration has a potential for orders of magnitude of improvement in both the pulse energies and durations compared to the previously reported result. The key mechanism for this improvement relates to the ratio of the core areas between the pumped inverted large mode area gain fiber and the unpumped doped single-mode fiber. (C) 2011 Optical Society of America
C1 [Soh, Daniel B. S.; Bisson, Scott E.; Patterson, Brian D.; Moore, Sean W.] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Soh, DBS (reprint author), Sandia Natl Labs, 7011 East Ave, Livermore, CA 94550 USA.
EM dbsoh@sandia.gov
FU Laboratory Directed Research and Development, Sandia National
Laboratories, United States Department of Energy (DOE)
[DE-AC04-94AL85000]
FX This research was supported by Laboratory Directed Research and
Development, Sandia National Laboratories, United States Department of
Energy (DOE), under contract DE-AC04-94AL85000.
NR 9
TC 16
Z9 16
U1 0
U2 9
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 0146-9592
J9 OPT LETT
JI Opt. Lett.
PD JUL 1
PY 2011
VL 36
IS 13
BP 2536
EP 2538
PG 3
WC Optics
SC Optics
GA 800GA
UT WOS:000293346600053
PM 21725471
ER
PT J
AU Christensen, AN
Arnbjerg, LM
DiMasi, E
Cerenius, Y
Hauback, BC
Jensen, TR
AF Christensen, Axel Norlund
Arnbjerg, Lene M.
DiMasi, Elaine
Cerenius, Yngve
Hauback, Bjorn C.
Jensen, Torben R.
TI Thermally induced phase transitions of barium oxalates
SO SOLID STATE SCIENCES
LA English
DT Article
DE Synchrotron X-ray powder diffraction; Neutron ppwder diffraction;
Structure of alpha-BaC(2)O(4); Thermal transformation of barium oxalates
hydrates
ID CRYSTAL-STRUCTURE DETERMINATION; NEUTRON POWDER DIFFRACTION; SYNCHROTRON
X-RAY; PATTERN
AB The thermal decomposition of BaC(2)O(4)center dot 3.5H(2)O and BaC(2)O(4)center dot 0.5H(2)O was investigated using in situ synchrotron X-ray and neutron powder diffraction. The decomposition routes for the barium oxalate hydrates were observed to depend on the applied heating rate. Thermal decomposition of BaC(2)O(4)center dot 0.5H(2)O showed transformation to alpha-BaC(2)O(4) and to beta-BaC(2)O(4) prior to the formation of BaCO(3). The decomposition of BaC(2)O(4)center dot 3.5H(2)O showed formation of BaC(2)O(4)center dot 0.5H(2)O at 58 degrees C and the hemi hydrate transforms to alpha-BaC(2)O(4) at 187 degrees C using a relatively fast heating rate of 6.25 degrees C/min. The phase transitions were more complicated using lower heating rate, which also reveal formation of beta-BaC(2)O(4) coexisting with alpha-BaC(2)O(4) along with an unidentified compound. Heating alpha- and beta-BaC(2)O(4) to higher temperatures (T > 400 degrees C) produced BaCO(3).
A sample of alpha-BaC(2)O(4) was prepared in situ by thermal decomposition of BaC(2)O(4)center dot 3.5H(2)O on a powder neutron diffractometer. The neutron diffraction data has broad diffraction peaks due to small crystallite sizes and overlapping Bragg reflections. [A structural model for alpha-BaC(2)O(4) was derived from the neutron pattern, triclinic, space group P-1, a = 5.127(7), b = 8.905(12), c = 9.068(12) angstrom, alpha = 82.74(1), beta = 99.46(2), gamma = 100.10(1)degrees measured at T= 300 degrees C. The average Ba-O distances are 2.84(3) angstrom and 2.66(3) angstrom for Ba 1 and Ba2 respectively, C-O atom distances in the oxalate ions were found in the range 1.25(3)-1.26(4) angstrom, and C-C distances were 1.60(1)-1.61(1) angstrom]. (C) 2011 Elsevier Masson SAS. All rights reserved.
C1 [Arnbjerg, Lene M.; Jensen, Torben R.] Univ Aarhus, iNANO, Ctr Mat Crystallog, DK-8000 Aarhus C, Denmark.
[Arnbjerg, Lene M.; Jensen, Torben R.] Univ Aarhus, Dept Chem, DK-8000 Aarhus C, Denmark.
[Christensen, Axel Norlund] Crystal Chem, DK-8210 Aarhus V, Denmark.
[DiMasi, Elaine] Brookhaven Natl Lab, Natl Synchrotron Light Source Dept, Upton, NY 11973 USA.
[Cerenius, Yngve] Lund Univ, Max Lab, S-22100 Lund, Sweden.
[Hauback, Bjorn C.] Inst Energy Technol, NO-2027 Kjeller, Norway.
RP Jensen, TR (reprint author), Univ Aarhus, iNANO, Ctr Mat Crystallog, DK-8000 Aarhus C, Denmark.
EM trj@chem.au.dk
OI Cerenius, Yngve/0000-0001-5805-0113; Jensen, Torben
Rene/0000-0002-4278-3221
FU USDOE, BES [DE-AC02-98CH10886]; Danish National Research Foundation
(Center for Materials Crystallography); Danish Strategic Research
Council (Center for Energy Materials); Danish Research Council for
Nature and Universe (Danscatt)
FX The Daresbury Laboratory Synchrotron Radiation Source, U.K., is thanked
for the use of the diffractometer on Station 2.3. Measurements carried
out at the NSLS at Brookhaven National Laboratory are supported by the
USDOE, BES under contract DE-AC02-98CH10886. Institute Max von Laue -
Paul Langevin, Grenoble France, are thanked for use of the
diffractometers. The access to beamtime at the MAX-II synchrotron, Lund,
Sweden in the research laboratory MAX-lab is gratefully acknowledged.
The work was supported by the Danish National Research Foundation
(Center for Materials Crystallography), the Danish Strategic Research
Council (Center for Energy Materials), and by the Danish Research
Council for Nature and Universe (Danscatt). We are grateful to the
Carlsberg Foundation.
NR 21
TC 2
Z9 2
U1 0
U2 8
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1293-2558
J9 SOLID STATE SCI
JI Solid State Sci.
PD JUL
PY 2011
VL 13
IS 7
BP 1407
EP 1413
DI 10.1016/j.solidstatesciences.2011.04.013
PG 7
WC Chemistry, Inorganic & Nuclear; Chemistry, Physical; Physics, Condensed
Matter
SC Chemistry; Physics
GA 801FX
UT WOS:000293425000008
ER
PT J
AU Chen, TL
Zhang, Y
Smith, P
Tamayo, A
Liu, Y
Ma, BW
AF Chen, Teresa L.
Zhang, Yue
Smith, Patrizia
Tamayo, Arnold
Liu, Yi
Ma, Biwu
TI Diketopyrrolopyrrole-Containing Oligothiophene-Fullerene Triads and
Their Use in Organic Solar Cells
SO ACS APPLIED MATERIALS & INTERFACES
LA English
DT Article
DE organic solar cells; diketopyrrolopyrrole; triads; n-type acceptor;
intramolecular charge separation
ID POLYMER PHOTOVOLTAIC CELLS; HIGH-PERFORMANCE; SMALL-MOLECULE;
EFFICIENCY; ACCEPTOR; NETWORK; DEVICES
AB We report the characterization of a series of oligothiophene-diketopyrrolopyrrole-fullerene triads and their use as active materials for solution processed organic solar cells (OSCs). By incorporating the diketopyrrolopyrrole (DPP) core with electron rich oligothiophene units and electron withdrawing fullerene units, multifunctional electronic molecules have been prepared; these molecules show high solubility in common organic solvents, excellent photophysical properties with high extinction coefficients (1 x 10(4) to 1 x 10(5) M(-1) cm(-1)) and broad absorption spectra coverage (250-800 nm), as well as suitable molecular orbital energy levels (HOMO of approximately -5.1 eV, LUMO of approximately -3.7 eV). Solution-processed thin-film organic field effect transistors (OFETs) from these triads revealed good n-type characteristics with electron mobilities up to 1.5 x 10(-3) cm(2) V(-1) s(-1). With these multifunctional triads, single-component OSCs have been fabricated, exhibiting power conversion efficiencies (PCEs) of up to 0.5 % under AM 1.5 G simulated 1 sun solar illumination. Blending these molecules with poly(3-hexylthiophene) (P3HT) afforded bulk heterojunction OSCs with PCEs reaching as high as 2.41%.
C1 [Smith, Patrizia; Tamayo, Arnold] Colorado Sch Mines, Golden, CO 80401 USA.
[Chen, Teresa L.; Zhang, Yue; Liu, Yi; Ma, Biwu] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Tamayo, A (reprint author), Colorado Sch Mines, Golden, CO 80401 USA.
EM atamayo@mines.edu; BWMa@lbl.gov
RI Ma, Biwu/B-6943-2012; Zhang, Yue/D-5090-2013
FU Office of Science, Office of Basic Energy Sciences, Scientific User
Facilities Division, U.S. Department of Energy [DE-AC02-05CH11231];
Colorado School of Mines (CSM)
FX This work was 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, U.S.
Department of Energy, under Contract DE-AC02-05CH11231. A.T. thanks
Colorado School of Mines (CSM) for financial support.
NR 20
TC 37
Z9 37
U1 2
U2 32
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1944-8244
J9 ACS APPL MATER INTER
JI ACS Appl. Mater. Interfaces
PD JUL
PY 2011
VL 3
IS 7
BP 2275
EP 2280
DI 10.1021/am200145t
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA 798IO
UT WOS:000293196800020
PM 21682269
ER
PT J
AU Ovchinnikova, OS
Nikiforov, MP
Bradshaw, JA
Jesse, S
Van Berkel, GJ
AF Ovchinnikova, Olga S.
Nikiforov, Maxim P.
Bradshaw, James A.
Jesse, Stephen
Van Berkel, Gary J.
TI Combined Atomic Force Microscope-Based Topographical Imaging and
Nanometer-Scale Resolved Proximal Probe Thermal Desorption/Electrospray
Ionization-Mass Spectrometry
SO ACS NANO
LA English
DT Article
DE thermal desorption; nanometer scale; atmospheric pressure; atomic force
microscopy; mass spectrometry; electrospray Ionization; caffeine
ID EVOLVED GAS-ANALYSIS; ELECTROSPRAY; DESORPTION
AB Namimetez-scale proximal probe thermal desorption/electrospray ionization mass spectrometry (TD/ESI-MS) was demonstrated for molecular surface sampling of caffeine from a thin film using a 30 nm diameter nanothermal analysis (nano-TA) probe tip in an atomic force microscope (AFM) coupled via a vapor transfer line and ESI interface to a MS detection platform. Using a probe temperature of 350 degrees C and a spot sampling time of 30 s, conical desorption craters 250 nm in diameter and 100 nm deep were created as shown through subsequent topographical imaging of the surface within the same system. Automated sampling of a 5 x 2 array of spots, with 2 pm spacing between spots, and real time selective detection of the desorbed caffeine using tandem mass spectrometry was also :demonstrated. Estimated from the crater volume (similar to 2 x 10(6) nm(3)), only about 10 amol (2 fg) of caffeine was liberated from each thermal desorption crater in the thin film. These results illustrate a relatively simple experimental setup and means to acquire in an automated fashion submicrometer scale spatial sampling resolution and mass spectral detection of materials amenable to TD. The ability to achieve MS-based chemical imaging with 250 nm scale spatial resolution with this system is anticipated.
C1 [Ovchinnikova, Olga S.; Bradshaw, James A.; Van Berkel, Gary J.] Oak Ridge Natl Lab, Organ & Biol Mass Spectrometry Grp, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Ovchinnikova, Olga S.; Van Berkel, Gary J.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Nikiforov, Maxim P.; Jesse, Stephen] Oak Ridge Natl Lab, Imaging Funct Grp, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Van Berkel, GJ (reprint author), Oak Ridge Natl Lab, Organ & Biol Mass Spectrometry Grp, Div Chem Sci, Oak Ridge, TN 37831 USA.
EM vanberkelgj@ornl.gov
RI Nikiforov, Maxim/C-1965-2012; Jesse, Stephen/D-3975-2016
OI Jesse, Stephen/0000-0002-1168-8483
FU Oak Ridge National Laboratory by the Office of Basic Energy Sciences,
U.S. Department of Energy; Division of Chemical Sciences, Geosciences,
and Biosciences, Office of Basic Energy Sciences, United States
Department of Energy; U.S. Department of Energy [DE-AC05-00OR22725]
FX M. EINaggar (ORNL) is thanked for creating the schematic of the
experimental setup (Figure 1). A portion of this research (M.P.N. and
S.J.) was conducted at the Center for Nanophase Materials Sciences
(CNMS), which is sponsored at Oak Ridge National Laboratory by the
Office of Basic Energy Sciences, U.S. Department of Energy. The authors
are grateful to S. Kalinin (CNMS) for helpful discussions. The work of
O.S.O., J.A.B., and G.J.V.B. was supported by the Division of Chemical
Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences,
United States Department of Energy. Oak Ridge National Laboratory is
managed by UT-Battelle, LLC for the U.S. Department of Energy under
contract DE-AC05-00OR22725.
NR 20
TC 22
Z9 22
U1 5
U2 46
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 JUL
PY 2011
VL 5
IS 7
BP 5526
EP 5531
DI 10.1021/nn200939e
PG 6
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 796ES
UT WOS:000293035200029
PM 21639403
ER
PT J
AU Rance, WL
Ferguson, AJ
McCarthy-Ward, T
Heeney, M
Ginley, DS
Olson, DC
Rumbles, G
Kopidakis, N
AF Rance, William L.
Ferguson, Andrew J.
McCarthy-Ward, Thomas
Heeney, Martin
Ginley, David S.
Olson, Dana C.
Rumbles, Garry
Kopidakis, Nikos
TI Photainduced Carrier Generation and Decay Dynamics in Intercalated and
Non-intercalated Polymer: Fullerene Bulk Heterojunctions
SO ACS NANO
LA English
DT Article
DE conjugated polymer; fullerene; intercalation; photoconductance; electron
transfer; blend
ID CHARGE SEPARATION EFFICIENCY; EXCITONIC SOLAR-CELLS; PHOTOVOLTAIC CELLS;
BLEND FILMS; NANOSCALE MORPHOLOGY; CONJUGATED POLYMERS; DEVICE
PERFORMANCE; ELECTRON-TRANSFER; MOBILITY; POLYTHIOPHENE
AB The dependence of photoinduced carrier generation and decay on donor acceptor nanomorphology is reported as a function of composition for blends of the polymer poly(2,5-bis(3-tetradecylthiophen-2-yl)thieno[3,2-b]thiophene) (pBTTT-C-14) with two electron-accepting fullerenes: phenyl-C-71-butyric acid methyl ester (PC71BM) or the bisadduct of phenyl-C-61-butyric add methyl ester (bis-PC61BM). The formation of partially or fully intercalated bimolecular crystals at weight ratios up to 1:1 for pBTTT-C-14:PC71BM blends leads to efficient exciton quenching due to a combination of static and dynamic mechanisms. At higher fullerene loadings, pure PC71BM domains are formed that result in an enhanced free carrier lifetime, as a consequence of spatial separation of the electron and hole into different phases, and the dominant contribution to the photoconductance comes from the high:frequency electron mobility In the fullerene dusters. In the pBM-C-14:bisPC(61)BM system, phase separation results In a non-intercalated structure, Independent of composition, which Is characterized by exciton quenching that is dominated by a dynamic process, an enhanced carrier lifetime and a hole-dominated photoconductance signal. The results indicate that intercalation of fullerene Into crystalline polymer domains is not detrimental to the density of long-lived carriers, suggesting that efficient organic photovoltaic devices could be fabricated that incorporate intercalated structures, provided that an additional pure fullerene phase is present for charge extraction.
C1 [Ferguson, Andrew J.; Ginley, David S.; Olson, Dana C.; Rumbles, Garry; Kopidakis, Nikos] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Rance, William L.] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA.
[McCarthy-Ward, Thomas; Heeney, Martin] Imperial Coll London, Dept Chem, Kensington SW7 2AZ, England.
RP Kopidakis, N (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM nikos.kopidakis@nrel.gov
RI Heeney, Martin/O-1916-2013; Rumbles, Garry/A-3045-2014; Kopidakis,
Nikos/N-4777-2015
OI Heeney, Martin/0000-0001-6879-5020;
FU U.S. Department of Energy, Office of Science, Basic Energy Sciences,
Division of Chemical Sciences, Geosciences and Biosciences
[DE-AC36-08GO28308]
FX We thank Jao van de Lagemaat and Obadiah Reid (National Renewable Energy
Laboratory, USA), Natalie Stingelin-Stutzmann (Imperial College London,
UK), and Mike McGehee (Stanford University, USA) for helpful
discussions. The Energy Efficiency & Renewable Energy Solar Energy
Technologies Program is acknowledged for the provision of the thin film
fabrication and X-ray diffraction facilities. The remainder of this work
was funded by the Solar Photochemistry program of the U.S. Department of
Energy, Office of Science, Basic Energy Sciences, Division of Chemical
Sciences, Geosciences and Biosciences, under Contract No.
DE-AC36-08GO28308 to NREL.
NR 67
TC 47
Z9 47
U1 3
U2 71
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 JUL
PY 2011
VL 5
IS 7
BP 5635
EP 5646
DI 10.1021/nn201251v
PG 12
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 796ES
UT WOS:000293035200041
PM 21650204
ER
PT J
AU Kalinin, SV
Jesse, S
Tselev, A
Baddorf, AP
Balke, N
AF Kalinin, Sergei V.
Jesse, Stephen
Tselev, Alexander
Baddorf, Arthur P.
Balke, Nina
TI The Role of Electrochemical Phenomena in Scanning Probe Microscopy of
Ferroelectric Thin Films
SO ACS NANO
LA English
DT Article
DE scanning probe microscopy; ferroelectric thin films; electrochemical
phenomena; oxides
ID ATOMIC-FORCE MICROSCOPY; CHEMICAL EXPANSION; OXIDE; SURFACE;
POLARIZATION; CHARGE; PIEZORESPONSE; TRANSITION; TRANSPORT; WATER
AB Applications of piezoresponse force microscopy and conductive atomic force microscopy to ferroelectric thin films necessitate understanding of the possible bias-induced electrochemical reactivity of oxide surfaces. These range from reversible Ionic surface charging (possibly coupled to polarization) and vacancy and proton injection to partially reversible vacancy ordering, to irreversible electrochemical degradation of the film and bottom electrode. Here, the electrochemical phenomena induced by a biased tip are analyzed and both theoretical and experimental criteria for their identification are summarized.
C1 [Kalinin, Sergei V.; Jesse, Stephen; Tselev, Alexander; Baddorf, Arthur P.; Balke, Nina] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Kalinin, SV (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM sergei2@ornl.gov
RI Kalinin, Sergei/I-9096-2012; Tselev, Alexander/L-8579-2015; Balke,
Nina/Q-2505-2015; Jesse, Stephen/D-3975-2016; Baddorf,
Arthur/I-1308-2016
OI Kalinin, Sergei/0000-0001-5354-6152; Tselev,
Alexander/0000-0002-0098-6696; Balke, Nina/0000-0001-5865-5892; Jesse,
Stephen/0000-0002-1168-8483; Baddorf, Arthur/0000-0001-7023-2382
FU Office of Basic Energy Sciences, U.S. Department of Energy
FX This research was conducted at the Center for Nanophase Materials
Sciences, which is sponsored at Oak Ridge National Laboratory by the
Office of Basic Energy Sciences, U.S. Department of Energy. The authors
gratefully acknowledge H.N. Lee (ORNL), P. Yu (UC Berkeley), and P.K.
Davies (UPenn) for samples used in these studies over past decade, and
P. Maksymovych (ORNL), F. Ciucci (Heidelberg), A. Kholkin (U. Aveiro),
A. Morozovska (UAS), and A. Gruverman (UNL) for invaluable discussions.
NR 71
TC 46
Z9 46
U1 4
U2 48
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 JUL
PY 2011
VL 5
IS 7
BP 5683
EP 5691
DI 10.1021/nn2013518
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 796ES
UT WOS:000293035200046
PM 21682317
ER
PT J
AU Ashley, CE
Carnes, EC
Phillips, GK
Durfee, PN
Buley, MD
Lino, CA
Padilla, DP
Phillips, B
Carter, MB
Willman, CL
Brinker, CJ
Caldeira, JD
Chackerian, B
Wharton, W
Peabody, DS
AF Ashley, Carlee E.
Carnes, Eric C.
Phillips, Genevieve K.
Durfee, Paul N.
Buley, Mekensey D.
Lino, Christopher A.
Padilla, David P.
Phillips, Brandy
Carter, Mark B.
Willman, Cheryl L.
Brinker, C. Jeffrey
Caldeira, Jerri do Carmo
Chackerian, Bryce
Wharton, Walker
Peabody, David S.
TI Cell-Specific Delivery of Diverse Cargos by Bacteriophage MS2 Virus-like
Particles
SO ACS NANO
LA English
DT Article
DE virus-like particles; multivalent peptide display; targeted drug
delivery; cancer; nanoparticle; nanocarrier
ID TARGETED DRUG-DELIVERY; HEPATOCELLULAR-CARCINOMA; MULTIDRUG-RESISTANCE;
CANCER-CELLS; IN-VITRO; NANOPARTICLES; PLATFORM; CISPLATIN; PEPTIDES;
VEHICLES
AB Virus-like particles (VLPs) of bacteriophage MS2 possess numerous features that make them well-suited for use in targeted delivery of therapeutic and Imaging agents. MS2 VLPs can be rapidly produced in large quantities using in vivo or in vitro synthesis techniques. Their capsids can be modified in precise locations via genetic insertion or chemical conjugation, facilitating the multivalent display of targeting ligands. MS2 VU's also self-assemble in the presence of nucleic adds to specifically encapsidate siRNA and RNA-modified cargos. Here we report the use of MS2 VLPs to selectively deliver nanoparticles, chemotherapeutic drugs, siRNA cocktails, and protein toxins to human hepatocellular carcinoma (HCC). MS2 VLPs modified with a peptide (SP94) that binds HCC exhibit a 10(4)-fold higher avidity for HCC than for hepatocytes, endothelial cells, monocytes, or lymphocytes and can deliver high concentrations of encapsidated cargo to the cytosol of HCC cells. SP94-targeted VLPs loaded with doxorubicin, cisplatin, and 5-fluorouracil selectively kill the HCC cell line, Hep3B, at drug concentrations <1 nM, while SP94-targeted VLPs that encapsidate a siRNA cocktail, which silences expression of cyclin family members, Induce growth arrest and apoptosis of Hep3B at siRNA concentrations <150 pM. Impressively, M52 VLPs, when loaded with ricin toxin A-chain (RTA) and modified to codisplay the SP94 targeting peptide and a histidine-rich fusogenic peptide (H5WYG) that promotes endosomal escape, kill virtually the entire population of Hep3B cells at an RTA concentration of 100 fM without affecting the viability of control cells. Our results demonstrate that M52 VLPs, because of their tolerance of multivalent peptide display and their ability to specifically encapsidate a variety of chemically disparate cargos, Induce selective cytotoxicity of cancer in vitro and represent a significant improvement in the characteristics of VLP-based delivery systems.
C1 [Ashley, Carlee E.; Padilla, David P.; Brinker, C. Jeffrey] Univ New Mexico, Ctr Microengineered Mat, Albuquerque, NM 87131 USA.
[Carnes, Eric C.; Brinker, C. Jeffrey] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
[Phillips, Genevieve K.; Phillips, Brandy; Carter, Mark B.; Willman, Cheryl L.; Brinker, C. Jeffrey; Chackerian, Bryce; Wharton, Walker; Peabody, David S.] Univ New Mexico, Canc Res & Treatment Ctr, Albuquerque, NM 87131 USA.
[Buley, Mekensey D.] Univ Oklahoma, Norman, OK 73109 USA.
[Willman, Cheryl L.; Wharton, Walker] Univ New Mexico, Dept Pathol, Sch Med, Albuquerque, NM 87131 USA.
[Durfee, Paul N.; Lino, Christopher A.; Brinker, C. Jeffrey; Caldeira, Jerri do Carmo; Chackerian, Bryce; Peabody, David S.] Univ New Mexico, Dept Mol Genet & Microbiol, Albuquerque, NM 87131 USA.
[Brinker, C. Jeffrey] Sandia Natl Labs, Self Assembled Mat Dept, Albuquerque, NM 87185 USA.
RP Ashley, CE (reprint author), Sandia Natl Labs, Biotechnol & Bioengn Dept, Livermore, CA 94551 USA.
EM ceashle@sandia.gov; dpeabody@salud.unm.edu
FU NIH/Roadmap for Medical Research [PHS 2 PN2 EY016570B]; NCI
[U01CA151792-01]; Air Force Office of Scientific Research [FA
9550-07-1-0054/9550-10-1-0054]; U.S. Department of Energy, Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering;
Sandia National Laboratories; NIH [R01 GM42901]; IGERT Fellowship [NSF
DGE-0504276]; NSF [DGE-0549500]; NSF, University of New Mexico Center
for Micro-engineered Materials [DMR-0649132]; NCRR; University of New
Mexico Health Sciences Center; University of New Mexico Cancer Center;
United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX This work was supported by the NIH/Roadmap for Medical Research under
Grant PHS 2 PN2 EY016570B; NCI Cancer Nanotechnology Platform
Partnership Grant U01CA151792-01; Air Force Office of Scientific
Research Grants FA 9550-07-1-0054/9550-10-1-0054; the U.S. Department of
Energy, Office of Basic Energy Sciences, Division of Materials Sciences
and Engineering; Sandia National Laboratories' Laboratory Directed
Research and Development (LDRD) program; and NIH grant R01 GM42901.
Rebecca Lee provided guidance for imaging protocols, Tamara Howard
performed electron microscopy, and Mona Aragon created schematics.
C.E.A. was supported by IGERT Fellowship Grant NSF DGE-0504276 and by
Sandia National Laboratories' Truman Fellowship in National Security
Science and Engineering. E.C.C. was supported by NSF IGERT Grant
DGE-0549500. M.B. was supported by NSF Nanoscience and Microsystems REU
program (Grant DMR-0649132) at the University of New Mexico Center for
Micro-engineered Materials. Some images in this paper were generated in
the University of New Mexico Cancer Center Fluorescence Microscopy
Facility supported by NCRR, NSF, and NCI as detailed at
http://hsc.unm.edu/crtc/microscopy/Facility.html. Data was generated in
the Flow Cytometry Shared Resource Center supported by the University of
New Mexico Health Sciences Center and the University of New Mexico
Cancer Center. Sandia National Laboratories is a multiprogram laboratory
operated by Sandia Corporation, a wholly owned subsidiary of Lockheed
Martin Company, for the United States Department of Energy's National
Nuclear Security Administration under Contract DE-AC04-94AL85000.
NR 41
TC 78
Z9 81
U1 15
U2 97
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 JUL
PY 2011
VL 5
IS 7
BP 5729
EP 5745
DI 10.1021/nn201397z
PG 17
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 796ES
UT WOS:000293035200051
PM 21615170
ER
PT J
AU Yao, JM
Le, AP
Schulmerich, MV
Maria, J
Lee, TW
Gray, SK
Bhargava, R
Rogers, JA
Nuzzo, RG
AF Yao, Jimin
Le, An-Phong
Schulmerich, Matthew V.
Maria, Joana
Lee, Tae-Woo
Gray, Stephen K.
Bhargava, Rohit
Rogers, John A.
Nuzzo, Ralph G.
TI Soft Embossing of Nanoscale Optical and Plasmonic Structures in Glass
SO ACS NANO
LA English
DT Article
DE surface plasmon resonance; surface-enhanced Raman scattering; soft
lithography; organic sensing; nanostructure; finite-difference
time-domain; plasmonic crystal
ID ENHANCED RAMAN-SCATTERING; SUBWAVELENGTH HOLE ARRAYS; DIP-PEN
NANOLITHOGRAPHY; IMPRINT LITHOGRAPHY; GOLD NANOPARTICLES; LIGHT
TRANSMISSION; SILVER ELECTRODE; SURFACE; SPECTROSCOPY; FLUORESCENCE
AB We describe here soft nanofabrication methods using spin-on glass (SOG) materials for the fabrication of both bulk materials and replica masters. The precision of soft nanofabrication using SOG is tested using features on size scales ranging from 0.6 nm to 1.0 mu m. The performance of the embossed optics is tested quantitatively via replica patterning of new classes of plasmonic crystals formed by soft nanoimprinting of SOG. These crystals are found to offer significant Improvements over previously reported plasmonic crystals fabricated using embossed polymeric substrate materials in several ways. The SOG structures are shown to be particularly robust, being stable in organic solvent environments and at high temperatures (similar to 450 degrees C), thus extending the capacities and scope of plasmonic crystal applications to sensing In these environments. They also provide a stable, and particularly high-performance, platform for surface-enhanced Raman scattering. We further illustrate that SOG embossed nanostructures can serve as regenerable masters for the fabrication of plasmonic crystals. Perhaps most significantly, we show how the.. design rules of plasmonic crystals replicated from a single master can be tuned during the embossing steps of the fabrication process to provide useful modifications of their optical responses. We illustrate how the strongest feature in the transmission spectrum of a plasmonic crystal formed using a single SOG master can be shifted precisely in a SOG replica between 700 and 900 nm for an exemplary design of a full 3D plasmonic crystal by careful manipulation of the process parameters used to fabricate the optical device.
C1 [Yao, Jimin; Le, An-Phong; Rogers, John A.; Nuzzo, Ralph G.] Univ Illinois, Dept Chem, Urbana, IL 61801 USA.
[Schulmerich, Matthew V.; Bhargava, Rohit] Univ Illinois, Dept Bioengn, Beckman Inst, Urbana, IL 61801 USA.
[Maria, Joana; Rogers, John A.; Nuzzo, Ralph G.] Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA.
[Lee, Tae-Woo] Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA.
[Gray, Stephen K.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Nuzzo, RG (reprint author), Univ Illinois, Dept Chem, Urbana, IL 61801 USA.
EM r-nuzzo@illinois.edu
RI Rogers, John /L-2798-2016;
OI Bhargava, Rohit/0000-0001-7360-994X
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-SC0001293, 67N-1087758, DE-AC02-06CH11357]; U.S. Department
of Energy, Basic Energy Science, Materials Science and Engineering
Division [DE-FG02-07ER46471]
FX This material is based upon work supported as part of the Light-Material
Interactions in Energy Conversion, an Energy Frontier Research Center
funded by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences under prime contract DE-SC0001293 to the
California Institute of Technology via subaward 67N-1087758 to the
University of Illinois. The authors gratefully acknowledge use of the
Frederick Seitz Materials Research Laboratory Central Facilities at the
University of Illinois, including the Center for Microanalysis of
Materials, supported by the U.S. Department of Energy, Basic Energy
Science, Materials Science and Engineering Division under Award No.
DE-FG02-07ER46471. The work at the Center for Nanoscale Materials 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. The authors also gratefully acknowledge
the use of the Turing cluster maintained and operated by the
Computational Science and Engineering Program at the University of
Illinois.
NR 70
TC 16
Z9 16
U1 1
U2 33
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 JUL
PY 2011
VL 5
IS 7
BP 5763
EP 5774
DI 10.1021/nn201464t
PG 12
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 796ES
UT WOS:000293035200054
PM 21711004
ER
PT J
AU Vlassiouk, I
Regmi, M
Fulvio, PF
Dai, S
Datskos, P
Eres, G
Smirnov, S
AF Vlassiouk, Ivan
Regmi, Murari
Fulvio, Pasquale F.
Dai, Sheng
Datskos, Panos
Eres, Gyula
Smirnov, Sergei
TI Role of Hydrogen in Chemical Vapor Deposition Growth of Large
Single-Crystal Graphene
SO ACS NANO
LA English
DT Article
DE graphene; CVD; grain; domain; mechanism; hydrogen; hexagons
ID FILMS; DISSOCIATION; CU(100)
AB We show that graphene chemical vapor deposition growth on copper foil using methane as a carbon source is strongly affected by hydrogen, which appears to serve a dual role: an activator of the surface bound carbon that Is necessary for monolayer growth and an etching reagent that controls the size and morphology of the graphene domains. The resulting growth rate for a fixed methane partial pressure has a maximum at hydrogen partial pressures 200-400 times that of methane. The morphology and size of the graphene domains, as well as the number of layers, change with hydrogen pressure from irregularly shaped incomplete bilayers to well-defined perfect single layer hexagons. Raman spectra suggest the zigzag termination in the hexagons as more stable than the armchair edges.
C1 [Vlassiouk, Ivan; Datskos, Panos] Oak Ridge Natl Lab, Measurement Sci & Syst Engn Div, Oak Ridge, TN 37831 USA.
[Regmi, Murari; Eres, Gyula] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Fulvio, Pasquale F.; Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Smirnov, Sergei] New Mexico State Univ, Dept Chem & Biochem, Las Cruces, NM 88003 USA.
RP Vlassiouk, I (reprint author), Oak Ridge Natl Lab, Measurement Sci & Syst Engn Div, Oak Ridge, TN 37831 USA.
EM vlassioukiv@ornl.gov; snsm@nmsu.edu
RI Fulvio, Pasquale/B-2968-2014; Smirnov, Sergei/H-8774-2016; Vlassiouk,
Ivan/F-9587-2010; Dai, Sheng/K-8411-2015; Eres, Gyula/C-4656-2017
OI Fulvio, Pasquale/0000-0001-7580-727X; Vlassiouk,
Ivan/0000-0002-5494-0386; Dai, Sheng/0000-0002-8046-3931; Eres,
Gyula/0000-0003-2690-5214
FU U.S. Department of Energy [DE-AC05-00OR22725]; Oak Ridge National
Laboratory; Materials Science and Engineering Division through Basic
Energy Sciences Program; US Department of Energy, Office of Science,
Office of Basic Energy Sciences [ERKCC61]
FX I.V. is a Eugene P. Wigner Fellow at the Oak Ridge National Laboratory,
managed by UT-Battelle, LLC, for the U.S. Department of Energy under
Contract DE-AC05-00OR22725. 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,
U.S. Department of Energy. The LPCVD part of the work was supported by
the Materials Science and Engineering Division through Basic Energy
Sciences Program. P.F.F. and S.D. were supported as part of the Fluid
Interface Reactions, Structures and Transport (FIRST) Center, an Energy
Frontier Research Center funded by the US Department of Energy, Office
of Science, Office of Basic Energy Sciences under Award No. ERKCC61
NR 23
TC 392
Z9 401
U1 48
U2 545
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 JUL
PY 2011
VL 5
IS 7
BP 6069
EP 6076
DI 10.1021/nn201978y
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 796ES
UT WOS:000293035200090
PM 21707037
ER
PT J
AU Badger, J
Chie-Leon, B
Logan, C
Sridhar, V
Sankaran, B
Zwart, PH
Nienaber, V
AF Badger, John
Chie-Leon, Barbara
Logan, Cheyenne
Sridhar, Vandana
Sankaran, Banumathi
Zwart, Peter H.
Nienaber, Vicki
TI The structure of LpxD from Pseudomonas aeruginosa at 1.3 angstrom
resolution
SO ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY AND CRYSTALLIZATION
COMMUNICATIONS
LA English
DT Article
ID RESISTANCE; ENDOTOXINS
AB LpxD is a bacterial protein that is part of the biosynthesis pathway of lipid A and is responsible for transferring 3-hydroxymyristic acid from the R-3-hydroxymyristoyl-acyl carrier protein to the 2-OH group of UDP-3-O-(3-hydroxymyristoyl) glucosamine. The crystal structure of LpxD from Pseudomonas aeruginosa has been determined at high resolution (1.3 angstrom). The crystal belonged to space group H3, with unit-cell parameters a = b = 106.19, c = 93.38 angstrom, and contained one molecule in the asymmetric unit. The structure was solved by molecular replacement using the known structure of LpxD from Escherichia coli (PDB entry 3eh0) as a search model and was refined to R-work = 16.4% (R-free = 18.5%) using 91 655 reflections. The final protein model includes 355 amino-acid residues (including 16 amino acids from a 20 amino-acid N-terminal His tag), one chloride ion and two ethylene glycol molecules.
C1 [Badger, John; Chie-Leon, Barbara; Logan, Cheyenne; Sridhar, Vandana; Nienaber, Vicki] Zenobia Therapeut, La Jolla, CA 92122 USA.
[Sankaran, Banumathi; Zwart, Peter H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley Ctr Struct Biol, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Badger, J (reprint author), Zenobia Therapeut, 505 Coast Blvd S,Suite 111, La Jolla, CA 92122 USA.
EM john@zenobiatherapeutics.com
FU National Institutes of Health; National Institute of General Medical
Sciences; Howard Hughes Medical Institute; Office of Basic Energy
Sciences of the US Department of Energy [DE-AC02-05CH11231]
FX The Berkeley Center for Structural Biology is supported in part by the
National Institutes of Health, National Institute of General Medical
Sciences and the Howard Hughes Medical Institute. The Advanced Light
Source is supported by the Director, Office of Basic Energy Sciences of
the US Department of Energy under Contract No. DE-AC02-05CH11231.
NR 13
TC 6
Z9 7
U1 0
U2 1
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1744-3091
J9 ACTA CRYSTALLOGR F
JI Acta Crystallogr. F-Struct. Biol. Cryst. Commun.
PD JUL
PY 2011
VL 67
BP 749
EP 752
DI 10.1107/S1744309111018811
PN 7
PG 4
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA 798GU
UT WOS:000293191400004
PM 21795786
ER
PT J
AU Han, SH
Yoo, S
Kippelen, B
Levi, D
AF Han, S. -H.
Yoo, S.
Kippelen, B.
Levi, D.
TI Precise determination of optical properties of pentacene thin films
grown on various substrates: Gauss-Lorentz model with effective medium
approach
SO APPLIED PHYSICS B-LASERS AND OPTICS
LA English
DT Article; Proceedings Paper
CT Spring Meeting of the AMOP Section of the German-Physical-Society
CY MAR 08-12, 2010
CL Hannover, GERMANY
ID 3,4,9,10-PERYLENETETRACARBOXYLIC DIANHYDRIDE PTCDA; ORGANIC SOLAR-CELLS;
DIELECTRIC FUNCTION; PERFORMANCE; SI
AB Spectroscopic ellipsometry measurements are performed on thin pentacene films grown on glass, SiO2, and n-Si substrates. The Gauss-Lorentz oscillator model is shown to be effective in modeling the pi-pi (au) transitions found in organic compounds. The effective medium approximation that considers the surface roughness of the films, which can be significant in case of pentacene, is also shown to be a key factor in precisely determining their dielectric functions. The proposed method reveals that there are some quantitative differences in the optical properties of the pentacene films prepared on different substrates.
C1 [Han, S. -H.; Levi, D.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Han, S. -H.] LG Elect Inst Technol, Seoul 137724, South Korea.
[Yoo, S.; Kippelen, B.] Georgia Inst Technol, Sch Elect & Comp Engn, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA.
[Yoo, S.] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon, South Korea.
RP Han, SH (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM sungho.han@lge.edu
RI Yoo, Seunghyup/C-1656-2011; Kippelen, Bernard/I-4058-2013
OI Kippelen, Bernard/0000-0002-8417-7051
FU US Department of Energy [DE-AC36-99GO10337]; National Science Foundation
[DMR-0120967]; Office of Naval Research
FX The authors thank H. Moutinho, J. Pankow, and Z. An for their assistance
in characterization of pentacene films. This work was supported in part
by the US Department of Energy under Contract No. DE-AC36-99GO10337 and
in part by the STC Program of the National Science Foundation under
Agreement Number DMR-0120967, by the Office of Naval Research.
NR 25
TC 1
Z9 1
U1 0
U2 15
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0946-2171
EI 1432-0649
J9 APPL PHYS B-LASERS O
JI Appl. Phys. B-Lasers Opt.
PD JUL
PY 2011
VL 104
IS 1
BP 139
EP 144
DI 10.1007/s00340-011-4383-9
PG 6
WC Optics; Physics, Applied
SC Optics; Physics
GA 799NG
UT WOS:000293292800022
ER
PT J
AU McKenzie, DE
Savage, SL
AF McKenzie, D. E.
Savage, S. L.
TI DISTRIBUTION FUNCTIONS OF SIZES AND FLUXES DETERMINED FROM SUPRA-ARCADE
DOWNFLOWS
SO ASTROPHYSICAL JOURNAL LETTERS
LA English
DT Article
DE magnetic reconnection; Sun: corona; Sun: flares; Sun: X-rays, gamma rays
ID ERUPTIVE SOLAR-FLARES; QUANTITATIVE EXAMINATION; RECONNECTION
AB The frequency distributions of sizes and fluxes of supra-arcade downflows (SADs) provide information about the process of their creation. For example, a fractal creation process may be expected to yield a power-law distribution of sizes and/or fluxes. We examine 120 cross-sectional areas and magnetic flux estimates found by Savage & McKenzie for SADs, and find that (1) the areas are consistent with a log-normal distribution and (2) the fluxes are consistent with both a log-normal and an exponential distribution. Neither set of measurements is compatible with a power-law distribution nor a normal distribution. As a demonstration of the applicability of these findings to improved understanding of reconnection, we consider a simple SAD growth scenario with minimal assumptions, capable of producing a log-normal distribution.
C1 [McKenzie, D. E.] Montana State Univ, Dept Phys, Bozeman, MT 59717 USA.
[Savage, S. L.] Oak Ridge Associated Univ, NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
RP McKenzie, DE (reprint author), Montana State Univ, Dept Phys, POB 173840, Bozeman, MT 59717 USA.
FU NASA [NNM07AB07C]; Harvard-Smithsonian Astrophysical Observatory
FX This work was partially supported by NASA under contract NNM07AB07C with
the Harvard-Smithsonian Astrophysical Observatory. Yohkoh data are
provided courtesy of the NASA-supported Yohkoh Legacy Archive at Montana
State University. We gratefully acknowledge the helpful comments of an
anonymous referee.
NR 15
TC 7
Z9 7
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 2041-8205
J9 ASTROPHYS J LETT
JI Astrophys. J. Lett.
PD JUL 1
PY 2011
VL 735
IS 1
AR L6
DI 10.1088/2041-8205/735/1/L6
PG 5
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 797OT
UT WOS:000293137900006
ER
PT J
AU Johnson, DR
Willis, HH
Curtright, AE
Samaras, C
Skone, T
AF Johnson, David R.
Willis, Henry H.
Curtright, Aimee E.
Samaras, Constantine
Skone, Timothy
TI Incorporating uncertainty analysis into life cycle estimates of
greenhouse gas emissions from biomass production
SO BIOMASS & BIOENERGY
LA English
DT Article
DE Life cycle assessment; Uncertainty analysis; Greenhouse gas emissions;
Data variability; Biobased fuels
ID CORN-ETHANOL; BOUNDARIES; INVENTORY; ENERGY
AB Before further investments are made in utilizing biomass as a source of renewable energy, both policy makers and the energy industry need estimates of the net greenhouse gas (GHG) reductions expected from substituting biobased fuels for fossil fuels. Such GHG reductions depend greatly on how the biomass is cultivated, transported, processed, and converted into fuel or electricity. Any policy aiming to reduce GHGs with biomass-based energy must account for uncertainties in emissions at each stage of production, or else it risks yielding marginal reductions, if any, while potentially imposing great costs.
This paper provides a framework for incorporating uncertainty analysis specifically into estimates of the life cycle GHG emissions from the production of biomass. We outline the sources of uncertainty, discuss the implications of uncertainty and variability on the limits of life cycle assessment (LCA) models, and provide a guide for practitioners to best practices in modeling these uncertainties. The suite of techniques described herein can be used to improve the understanding and the representation of the uncertainties associated with emissions estimates, thus enabling improved decision making with respect to the use of biomass for energy and fuel production. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Johnson, David R.] RAND Corp, Santa Monica, CA 90405 USA.
[Willis, Henry H.; Curtright, Aimee E.; Samaras, Constantine] RAND Corp, Pittsburgh, PA 15213 USA.
[Skone, Timothy] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Johnson, DR (reprint author), RAND Corp, 1776 Main St,POB 2138, Santa Monica, CA 90405 USA.
EM djohnson@rand.org
RI Willis, Henry/L-8437-2013;
OI Willis, Henry/0000-0001-6404-721X; Samaras,
Constantine/0000-0002-8803-2845
FU Department of Energy's National Energy Technology Laboratory (NETL)
FX This work was funded by the Department of Energy's National Energy
Technology Laboratory (NETL). The authors thank Robert Dilmore (NETL)
and Jason Hill (University of Minnesota) for assistance with development
of the Calculating Uncertainty in Biomass Emissions (CUBE) model v1.0,
the process which informed the discussion in this paper. We also thank
David Ortiz and Nicholas Burger (both of RAND), who were part of the
CUBE v1.0 development team, Chris Weber (STPI) and H. Scott Matthews
(Carnegie Mellon) for feedback on an earlier draft of the paper, and two
anonymous reviewers who provided valuable feedback that resulted in
substantial improvements.
NR 31
TC 19
Z9 19
U1 1
U2 14
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0961-9534
J9 BIOMASS BIOENERG
JI Biomass Bioenerg.
PD JUL
PY 2011
VL 35
IS 7
BP 2619
EP 2626
DI 10.1016/j.biombioe.2011.02.046
PG 8
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 793UK
UT WOS:000292849200019
ER
PT J
AU Kim, S
Dale, BE
AF Kim, Seungdo
Dale, Bruce E.
TI Indirect land use change for biofuels: Testing predictions and improving
analytical methodologies
SO BIOMASS & BIOENERGY
LA English
DT Article
DE Corn; Biofuel; Historical data; Indirect land use change; Renewable
energy policy; Soybean
ID EMISSIONS
AB Current practices for estimating indirect land use change (iLUC) due to United States biofuel production rely on assumption-heavy, global economic modeling approaches. Prior iLUC studies have failed to compare their predictions to past global historical data. An empirical approach is used to detect evidence for iLUC that might be catalyzed by United States biofuel production through a "bottom-up", data-driven, statistical approach. Results show that biofuel production in the United States from 2002 to 2007 is not significantly correlated with changes in croplands for corn (coarse grain) plus soybean in regions of the world which are corn (coarse grain) and soybean trading partners of the United States. The results may be interpreted in at least two different ways: 1) biofuel production in the United States through 2007 (the last date for which information is available) probably has not induced any indirect land use change, and 2) this empirical approach may not be sensitive enough to detect indirect land use change from the historical data. It seems clear that additional effort may be required to develop methodologies to observe indirect land use change from the historical data. Such efforts might reduce uncertainties in indirect land use change estimates or perhaps form the basis for better policies or standards for biofuels. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Kim, Seungdo; Dale, Bruce E.] Michigan State Univ, Dept Chem Engn & Mat Sci, DOE Great Lakes Bioenergy Res Ctr, Lansing, MI 48910 USA.
RP Dale, BE (reprint author), Michigan State Univ, Dept Chem Engn & Mat Sci, DOE Great Lakes Bioenergy Res Ctr, 3900 Collins Rd, Lansing, MI 48910 USA.
EM kimseun@msu.edu; bdale@egr.msu.edu
FU DOE Great Lakes Bioenergy Research Center by US Department of Energy,
Office of Science, Office of Biological and Environmental Research
[DEFC02-07ER64494]
FX This work was funded by DOE Great Lakes Bioenergy Research Center
(www.greatlakesbioenergy.org) supported by the US Department of Energy,
Office of Science, Office of Biological and Environmental Research,
through Cooperative Agreement DEFC02-07ER64494. Support was also
provided by the Michigan Agricultural Experiment Station.
NR 20
TC 54
Z9 55
U1 1
U2 20
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0961-9534
EI 1873-2909
J9 BIOMASS BIOENERG
JI Biomass Bioenerg.
PD JUL
PY 2011
VL 35
IS 7
BP 3235
EP 3240
DI 10.1016/j.biombioe.2011.04.039
PG 6
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 793UK
UT WOS:000292849200087
ER
PT J
AU Campeau, E
Gobeil, S
AF Campeau, Eric
Gobeil, Stephane
TI RNA interference in mammals: behind the screen
SO BRIEFINGS IN FUNCTIONAL GENOMICS
LA English
DT Article
DE shRNA; siRNA; esiRNA; RNAi screen; lentivirus; retrovirus
ID C VIRUS-REPLICATION; FUNCTIONAL GENOMIC SCREEN; STEM-CELL IDENTITY;
TUMOR-SUPPRESSOR; IMAGE-ANALYSIS; CANCER-CELLS; GENETIC SCREENS;
BREAST-CANCER; IDENTIFICATION; REGULATORS
AB The discovery of RNA interference (RNAi) and the development of technologies exploiting its biology have enabled scientists to rapidly examine the consequences of depleting a particular gene product in a cell or an animal. The availability of genome-wide RNAi libraries targeting the mouse and human genomes has made it possible to carry out large scale, phenotype-based screens, which have yielded seminal information on diverse cellular processes ranging from virology to cancer biology. Today, several strategies are available to perform RNAi screens, each with their own technical and monetary considerations. Special care and budgeting must be taken into account during the design of these screens in order to obtain reliable results. In this review, we discuss a number of critical aspects to consider when planning an effective RNAi screening strategy, including selecting the right biological system, designing an appropriate selection scheme, optimizing technical aspects of the screen, and validating and verifying the hits. Similar to an artistic production, what happens behind the screen has a direct impact on its success.
C1 [Campeau, Eric] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Campeau, Eric] Univ Massachusetts, Sch Med, Program Gene Funct & Express, Worcester, MA USA.
RP Campeau, E (reprint author), Resverlogix Corp 140, Translat Biol Grp, 3553 31st St NW, Calgary, AB T2L 2K7, Canada.
EM ecampeau@gmail.com; stephane.gobeil@crchul.ulaval.ca
FU Canadian Institutes of Health Research [111069]
NR 95
TC 10
Z9 12
U1 0
U2 8
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 2041-2649
J9 BRIEF FUNCT GENOMICS
JI Brief. Funct. Genomics
PD JUL
PY 2011
VL 10
IS 4
SI SI
BP 215
EP 226
DI 10.1093/bfgp/elr018
PG 12
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 799QN
UT WOS:000293301300007
PM 21791555
ER
PT J
AU Fayek, M
Anovitz, LM
Cole, DR
Bostick, DA
AF Fayek, Mostafa
Anovitz, Lawrence M.
Cole, David R.
Bostick, Debra A.
TI O and H diffusion in uraninite: Implications for fluid-uraninite
interactions, nuclear waste disposal, and nuclear forensics
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID HYPERSTOICHIOMETRIC URANIUM-DIOXIDE; OXYGEN SELF-DIFFUSION; ATHABASCA
BASIN; MCARTHUR RIVER; UO2; SASKATCHEWAN; FRACTIONATION; CANADA;
COEFFICIENTS; MECHANISM
AB Diffusion coefficients for oxygen and hydrogen were determined from a series of natural uraninite-H2O experiments between 50 and 700 degrees C. Under hydrous conditions there are two diffusion mechanisms: (1) an initial extremely fast-path diffusion mechanism that overprinted the oxygen isotopic composition of the entire crystals regardless of temperature and (2) a slower volume-diffusive mechanism dominated by defect clusters that displace or eject nearest neighbor oxygen atoms to form two interstitial sites and two partial vacancies, and by vacancy migration. Using the volume diffusion coefficients in the temperature range of 400-600 degrees C, diffusion coefficients for oxygen can be represented by D = 1.90e(-5) exp (-123,382 J/RT) cm(2)/s and for temperatures between 100 and 300 degrees C the diffusion coefficients can be represented by D = 1.95e (10) exp (-62484 J/RT) cm(2)/s, where the activation energies for uraninite are 123.4 and 62.5 kJ/mol, respectively. Hydrogen diffusion in uraninite appears to be controlled by similar mechanisms as oxygen. Using the volume diffusion coefficients for temperatures between 50 and 700 degrees C, diffusion coefficients for hydrogen can be represented by D = 9.28e(-6) exp (-156,528 J/RT) cm(2)/s for temperatures between 450 and 700 degrees C and D = 1.39e(-14) exp (-34518 J/RT) cm(2)/s for temperatures between 50 and 400 degrees C, where the activation energies for uraninite are 156.5 and 34.5 kJ/mol, respectively.
Results from these new experiments have implications for isotopic exchange during natural UO2-water interactions. The exceptionally low delta O-18 values of natural uraninites (i.e. -32 parts per thousand to -19.5 parts per thousand) from unconformity-type uranium deposits in Saskatchewan, in conjunction with theoretical and experimental uraninite-water and UO3-water fractionation factors, suggest that primary uranium mineralization is not in oxygen isotopic equilibrium with coeval clay and silicate minerals. The low delta O-18 values have been interpreted as resulting from the low temperature overprinting of primary uranium mineralization in the presence of relatively modern meteoric fluids having delta O-18 values of ca. -18 parts per thousand, despite petrographic and U-Pb isotope data that indicate limited alteration. Our data show that the anomalously low oxygen isotopic composition of the uraninite from the Athabasca Basin can be due to meteoric water overprinting under reducing conditions, and meteoric water or groundwater can significantly affect the oxygen isotopic composition of spent nuclear fuel in a geologic repository, with minimal change to the chemical composition or texture. Moreover, the rather fast oxygen and hydrogen diffusion coefficients for uraninite, especially at low temperatures, suggest that oxygen and hydrogen diffusion may impart characteristic isotopic signals that can be used to track the route of fissile material. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Fayek, Mostafa] Univ Manitoba, Dept Geol Sci, Winnipeg, MB R3T 2N2, Canada.
[Anovitz, Lawrence M.; Bostick, Debra A.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Cole, David R.] Ohio State Univ, Dept Earth Sci, Columbus, OH 43210 USA.
RP Fayek, M (reprint author), Univ Manitoba, Dept Geol Sci, Winnipeg, MB R3T 2N2, Canada.
EM fayek@cc.umanitoba.ca
RI Anovitz, Lawrence/P-3144-2016
OI Anovitz, Lawrence/0000-0002-2609-8750
FU NSERC; CRC; CFI; US Department of Energy through Divisions of Materials
Sciences and Engineering and Chemical Sciences, Geosciences and
Biosciences, Office of Basic Energy Sciences, US Department of Energy
[DE-AC05-00OR22725]
FX Partial support for this research was provided by a NSERC-discovery,
CRC, and CFI grants to Fayek. The authors would like to thank Dr. Rong
Liu and Brandi Shabaga for their assistance in obtaining the SIMS and
XRD data. Financial support for DRC and LMA was provided by the US
Department of Energy through funding provided by the Divisions of
Materials Sciences and Engineering and Chemical Sciences, Geosciences
and Biosciences, Office of Basic Energy Sciences, US Department of
Energy, by Contract Number DE-AC05-00OR22725 to Oak Ridge National
Laboratory (managed and operated by UT-Battelle, LLC).
NR 50
TC 3
Z9 3
U1 1
U2 29
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 JUL 1
PY 2011
VL 75
IS 13
BP 3677
EP 3686
DI 10.1016/j.gca.2011.03.040
PG 10
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 796YE
UT WOS:000293088600003
ER
PT J
AU Chen, HC
Burgoon, JK
Derrick, DC
Elkins, A
Sanfilippo, A
McGrath, L
AF Chen, Hsinchun
Burgoon, Judee K.
Derrick, Douglas C.
Elkins, Aaron
Sanfilippo, Antonio
McGrath, Liam
TI Social Intelligence and Cultural Awareness
SO IEEE INTELLIGENT SYSTEMS
LA English
DT Editorial Material
C1 [Chen, Hsinchun] Univ Arizona, Artificial Intelligence Lab, Tucson, AZ 85721 USA.
[Burgoon, Judee K.; Elkins, Aaron] Univ Arizona, Ctr Identificat Technol Res, Tucson, AZ 85721 USA.
[Derrick, Douglas C.] Univ Nebraska, Sch Interdisciplinary Informat, Omaha, NE 68182 USA.
[Sanfilippo, Antonio] Pacific NW Natl Lab, Computat & Stat Analyt Div, Richland, WA 99352 USA.
RP Chen, HC (reprint author), Univ Arizona, Artificial Intelligence Lab, Tucson, AZ 85721 USA.
EM hchen@eller.arizona.edu; jburgoon@cmi.arizona.edu;
douglas.derrick@gmail.com; aelkins@cmi.arizona.edu;
antonio.sanfilippo@pnnl.gov; liam.mcgrath@pnnl.gov
NR 6
TC 0
Z9 0
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 1541-1672
J9 IEEE INTELL SYST
JI IEEE Intell. Syst.
PD JUL-AUG
PY 2011
VL 26
IS 4
BP 80
EP 91
PG 12
WC Computer Science, Artificial Intelligence; Engineering, Electrical &
Electronic
SC Computer Science; Engineering
GA 798ZL
UT WOS:000293251300025
ER
PT J
AU Wu, D
Wang, Q
Assary, RS
Broadbelt, LJ
Krilov, G
AF Wu, Di
Wang, Qin
Assary, Rajeev S.
Broadbelt, Linda J.
Krilov, Goran
TI A Computational Approach To Design and Evaluate Enzymatic Reaction
Pathways: Application to 1-Butanol Production from Pyruvate
SO JOURNAL OF CHEMICAL INFORMATION AND MODELING
LA English
DT Article
ID CLOSTRIDIUM-BEIJERINCKII; METABOLIC NETWORKS; ESCHERICHIA-COLI;
BIODEGRADATION PATHWAYS; THERMODYNAMIC ANALYSIS; ALCOHOL-DEHYDROGENASE;
ACCURATE DOCKING; GRAPH-THEORY; IN-SILICO; SUBSTRATE
AB We present a new computational strategy for the design and evaluation of novel enzymatic pathways for the biosynthesis of fuels and chemicals. The approach combines the use of the Biochemical Network Integrated Computational Explorer (BNICE) framework and a structure-based screening method for rapid generation and evaluation of novel enzymatic reactions and pathways. The strategy is applied to a case study of 1-butanol production from pyruvate, which yielded nine novel biosynthetic pathways. Using screening criteria based on pathway length, thermodynamic feasibility, and metabolic flux analysis, all nine novel pathways were deemed to be attractive candidates. To further assess their feasibility of implementation, we introduced a new screening criterion based on structural complementarity using molecular docking methods. We show that this approach correctly reproduces the native binding poses for a wide range of enzymes in key classes related to 1-butanol production and provides qualitative agreement with experimental measures of catalytic activity for different substrates. In addition, we show that the structure-based methods can be used to select specific proteins that may be promising candidates to catalyze novel reactions.
C1 [Wu, Di; Assary, Rajeev S.; Broadbelt, Linda J.] Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA.
[Wang, Qin; Krilov, Goran] Boston Coll, Dept Chem, Chestnut Hill, MA 02467 USA.
[Assary, Rajeev S.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Krilov, Goran] Schrodinger Inc, New York, NY 10036 USA.
RP Broadbelt, LJ (reprint author), Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA.
EM broadbelt@northwestern.edu; goran.krilov@schrodinger.com
RI Broadbelt, Linda/B-7640-2009; Surendran Assary, Rajeev/E-6833-2012
OI Surendran Assary, Rajeev/0000-0002-9571-3307
FU National Science Foundation [CBET-0835800]; U.S. Department of Energy,
Office of Science, and Office of Basic Energy Sciences
FX The authors are grateful for the financial support of the National
Science Foundation (CBET-0835800). This material is based upon work
supported as part of the Institute for Atom-Efficient Chemical
Transformations (IACT), an Energy Frontier Research Center funded by the
U.S. Department of Energy, Office of Science, and Office of Basic Energy
Sciences.
NR 82
TC 9
Z9 9
U1 1
U2 19
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9596
J9 J CHEM INF MODEL
JI J. Chem Inf. Model.
PD JUL
PY 2011
VL 51
IS 7
BP 1634
EP 1647
DI 10.1021/ci2000659
PG 14
WC Chemistry, Medicinal; Chemistry, Multidisciplinary; Computer Science,
Information Systems; Computer Science, Interdisciplinary Applications
SC Pharmacology & Pharmacy; Chemistry; Computer Science
GA 796EU
UT WOS:000293035400013
PM 21671635
ER
PT J
AU Miller, SF
Arul, SG
Kruger, GH
Pan, TY
Shih, AJ
AF Miller, Scott F.
Arul, Senthil G.
Kruger, Grant H.
Pan, Tsung-Yu
Shih, Albert J.
TI Effect of Localized Metal Matrix Composite Formation on Spot Friction
Welding Joint Strength
SO JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME
LA English
DT Article
DE friction stir welding; metal matrix composite; joint strength
ID ALUMINUM; FLOW; REINFORCEMENT; BEHAVIOR; CREEP
AB In this study, metal particles were added during the spot friction welding (SFW) process, a solid state sheet metal joining process, to create a localized metal matrix composite (MMC) for the improvement of lap shear strength in AISI 6111-T4 aluminum alloy sheets. The Ancorsteel (R) 1000 particles were compressed between the upper and lower sheets and distributed concentrically around the tool axis perpendicular to the plate surface, which formed a localized MMC and were effective as the reinforcement particles in aluminum 6111-T4 alloy sheets. Results revealed that the MMC reinforcement improved the lap shear strength of SFW joints by about 25%. An aluminum-ferrous solid solution was formed around the steel particles along the aluminum matrix interface. The load-deflection curve shows that the steel particle MMC increased both the strength and ductility of SFW joint. This is attributed to two phenomena observed on the failed lap shear tensile specimens with SFW MMC. One is the longer and more torturous crack path, and the other is the secondary crack on steel particle MMC reinforced SFW joints. [DOI: 10.1115/1.4004389]
C1 [Miller, Scott F.] Univ Hawaii Manoa, Honolulu, HI 96822 USA.
[Arul, Senthil G.] USN, Sea Syst Command, Dept Navy, Washington, DC 20376 USA.
[Kruger, Grant H.; Shih, Albert J.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Pan, Tsung-Yu] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Miller, SF (reprint author), Univ Hawaii Manoa, Honolulu, HI 96822 USA.
FU Ford Motor Company; NSF [0700617]
FX We acknowledge the support from Ford Motor Company and NSF CMMI Grant
No. 0700617.
NR 23
TC 0
Z9 0
U1 1
U2 10
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0094-4289
J9 J ENG MATER-T ASME
JI J. Eng. Mater. Technol.-Trans. ASME
PD JUL
PY 2011
VL 133
IS 3
AR 031009
DI 10.1115/1.4004389
PG 8
WC Engineering, Mechanical; Materials Science, Multidisciplinary
SC Engineering; Materials Science
GA 794TD
UT WOS:000292923300018
ER
PT J
AU Ramakrishnan, S
Teh, KY
Miller, SL
Edwards, CF
AF Ramakrishnan, Sankaran
Teh, Kwee-Yan
Miller, Shannon L.
Edwards, Christopher F.
TI Optimal Architecture for Efficient Simple-Cycle Steady-Flow Combustion
Engines
SO JOURNAL OF PROPULSION AND POWER
LA English
DT Article
ID THERMODYNAMIC REQUIREMENTS; TURBINE; GENERATION; FUTURE
AB Increasing efficiency of steady-flow engines by way of irreversibility minimization has been the underlying objective in the development of a variety of simple, regenerative, and combined cycles. The approach thus far has been to conceptualize new cycles, or choose existing cycles, perform exergy analyses, and make modifications to minimize irreversibility. In this paper, a different approach is taken by developing a thermodynamic framework that defines the principles governing the minimization of irreversibility and uses these principles to deduce an optimal architecture for simple-cycle stationary gas-turbine and propulsion engines. The optimal architecture is thus obtained as the result of the irreversibility-minimization analysis and not by optimization of a preconceived architecture or cycle. The benefit of this approach is that, based on the chosen constraints for the analysis (e.g., polytropic efficiency of compression and expansion processes, blade temperature limits, etc.), the efficiency of the optimal architecture obtained is greater than any preconceived cycle or architecture subject to the same constraints.
C1 [Ramakrishnan, Sankaran; Miller, Shannon L.; Edwards, Christopher F.] Stanford Univ, Stanford, CA 94305 USA.
[Teh, Kwee-Yan] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
RP Ramakrishnan, S (reprint author), Stanford Univ, Stanford, CA 94305 USA.
EM rsankar@stanford.edu; kteh@sandia.gov; slmiller@stanfordalumni.org;
cfe@stanford.edu
FU Stanford University
FX The authors would like to thank the Global Climate and Energy Project at
Stanford University for supporting this work.
NR 21
TC 0
Z9 0
U1 0
U2 6
PU AMER INST AERONAUT ASTRONAUT
PI RESTON
PA 1801 ALEXANDER BELL DRIVE, STE 500, RESTON, VA 22091-4344 USA
SN 0748-4658
J9 J PROPUL POWER
JI J. Propul. Power
PD JUL-AUG
PY 2011
VL 27
IS 4
BP 873
EP 883
DI 10.2514/1.B34050
PG 11
WC Engineering, Aerospace
SC Engineering
GA 797SF
UT WOS:000293149700015
ER
PT J
AU Rai, D
Yui, M
Schaef, HT
Kitamura, A
AF Rai, Dhanpat
Yui, Mikazu
Schaef, H. Todd
Kitamura, Akira
TI Thermodynamic Model for SnO2(cr) and SnO2(am) Solubility in the Aqueous
Na+-H+-OH--Cl--H2O System
SO JOURNAL OF SOLUTION CHEMISTRY
LA English
DT Article
DE Solubility; Thermodynamic data; Tin; Tin hydroxide; Cassiterite;
Hydrolysis constants of tin; SnO2(am); Sn
ID INORGANIC TIN; 350-DEGREES-C; TEMPERATURES; CASSITERITE; OXIDE
AB The solubility of SnO2(cassiterite) was studied at 23 +/- 2 A degrees C as a function of time (7 to 49 days) and pH (0 to 14.5). Steady state concentrations were reached in < 7 days. The data were interpreted using the SIT model. The data show that SnO2(cassiterite) is the stable phase at pH values of < similar to 11.7. These extensive data provided a log (10) K (0) value of -64.39 +/- 0.30 for the reaction (SnO2(cassiterite) +2H(2)Oa double dagger"Sn4++4OH(-)) and values of 1.86 +/- 0.30, a parts per thousand currency signa'0.62, -9.20 +/- 0.34, and -20.28 +/- 0.34 for the reaction (Sn4++nH(2)O reversible arrow Sn(OH)(n)(4-n)+nH(+)) with values of "n" equal to 1, 4, 5, and 6 respectively. These thermodynamic hydrolysis constants were used to reinterpret the extensive literature data for SnO2(am) solubility, which provided a log (10) K (0) value of -61.80 +/- 0.29 for the reaction (SnO2(am)+2H(2)Oa double dagger"Sn4++4OH(-)). SnO2(cassiterite) is unstable under highly alkaline conditions (NaOH concentrations > 0.003 mola <...dm(-3)) and transforms to a double salt of SnO2 and NaOH. Although additional well-focused studies will be required for confirmation, the experimental data in the highly alkaline region (0.003 to 3.5 mola <...dm(-3) NaOH) can be well described with log (10) K (0) of -5.29 +/- 0.35 for the reaction Na2Sn(OH)(6)(s)a double dagger"Na2Sn(OH)(6)(aq).
C1 [Rai, Dhanpat] Rai Envirochem LLC, Yachats, OR 97498 USA.
[Yui, Mikazu; Kitamura, Akira] Japan Atom Agcy, Tokai, Ibaraki, Japan.
[Schaef, H. Todd] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Rai, D (reprint author), Rai Envirochem LLC, 1000 Hanley Dr,POB 784, Yachats, OR 97498 USA.
EM dhan.rai@raienvirochem.com
FU U.S. Department of Energy (U.S. DOE); Japan Atomic Energy Agency (JAEA),
under a collaborative agreement between JAEA and Rai Enviro-Chem, LLC.;
JAEA
FX The experimental study was conducted at the Pacific Northwest National
Laboratory and funded by the U.S. Department of Energy (U.S. DOE). Data
interpretation and manuscript preparation were supported by the Japan
Atomic Energy Agency (JAEA), under a collaborative agreement between
JAEA and Rai Enviro-Chem, LLC. The senior author gratefully acknowledges
the financial support provided by U.S. DOE and JAEA to complete various
aspects of this study.
NR 26
TC 10
Z9 10
U1 2
U2 23
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 JUL
PY 2011
VL 40
IS 7
BP 1155
EP 1172
DI 10.1007/s10953-011-9723-1
PG 18
WC Chemistry, Physical
SC Chemistry
GA 798NG
UT WOS:000293214600001
ER
PT J
AU Kelly, LC
Cockell, CS
Herrera-Belaroussi, A
Piceno, Y
Andersen, G
DeSantis, T
Brodie, E
Thorsteinsson, T
Marteinsson, V
Poly, F
LeRoux, X
AF Kelly, Laura C.
Cockell, Charles S.
Herrera-Belaroussi, Aude
Piceno, Yvette
Andersen, Gary
DeSantis, Todd
Brodie, Eoin
Thorsteinsson, Thorsteinn
Marteinsson, Viggo
Poly, Franck
LeRoux, Xavier
TI Bacterial Diversity of Terrestrial Crystalline Volcanic Rocks, Iceland
SO MICROBIAL ECOLOGY
LA English
DT Article
ID MONOXIDE-OXIDIZING BACTERIA; CLONE LIBRARY; MICROBIAL DIVERSITY;
COMMUNITY STRUCTURE; BASALTIC GLASS; FLOOR BASALT; MICROARRAY;
POPULATIONS; DEPOSITS; DYNAMICS
AB Bacteria inhabiting crystalline rocks from two terrestrial Icelandic volcanic lava flows of similar age and from the same geographical region, but differing in porosity and mineralogy, were characterised. Microarray (PhyloChip) and clone library analysis of 16S rRNA genes revealed the presence of a diverse assemblage of bacteria in each lava flow. Both methods suggested a more diverse community at the Dmadalshraun site (rhyolitic/andesitic lava flow) than that present at the Hnausahraun site (basaltic lava flow). Proteobacteria dominated the clone library at the Dmadalshraun site, while Acidobacteria was the most abundant phylum in the Hnausahraun site. Although analysis of similarities of denaturing gradient gel electrophoresis profiles suggested a strong correlation of community structure with mineralogy, rock porosity may also play an important role in shaping the bacterial community in crystalline volcanic rocks. Clone sequences were most similar to uncultured microorganisms, mainly from soil environments. Of these, Antarctic soils and temperate rhizosphere soils were prominent, as were clones retrieved from Hawaiian and Andean volcanic soils. The novel diversity of these Icelandic microbial communities was supported by the finding that up to 46% of clones displayed < 85% sequence identities to sequences currently deposited in the RDP database.
C1 [Kelly, Laura C.; Cockell, Charles S.; Herrera-Belaroussi, Aude] Open Univ, Geomicrobiol Res Grp, Planetary & Space Sci Res Inst, Milton Keynes MK7 6AA, Bucks, England.
[Piceno, Yvette; Andersen, Gary; DeSantis, Todd; Brodie, Eoin] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Dept Ecol, Berkeley, CA 94720 USA.
[Thorsteinsson, Thorsteinn] Natl Energy Author, Hydrol Div, IS-108 Reykjavik, Iceland.
[Marteinsson, Viggo] Matis Ohf Iceland Food & Biotech R&D, IS-113 Reykjavik, Iceland.
[Poly, Franck; LeRoux, Xavier] Univ Lyon 1, CNRS, INRA, UMR Ecol Microbienne 5557, F-69622 Villeurbanne, France.
RP Kelly, LC (reprint author), Open Univ, Geomicrobiol Res Grp, Planetary & Space Sci Res Inst, Milton Keynes MK7 6AA, Bucks, England.
EM lckelly23@hotmail.com
RI GenePool, The/D-8812-2012; Brodie, Eoin/A-7853-2008; Piceno,
Yvette/I-6738-2016; Andersen, Gary/G-2792-2015
OI Brodie, Eoin/0000-0002-8453-8435; Piceno, Yvette/0000-0002-7915-4699;
Andersen, Gary/0000-0002-1618-9827
FU Leverhulme Trust [F/00 269/N]
FX This work was made possible and supported by the Leverhulme Trust
(project number F/00 269/N). We thank John Watson (Department of Earth
Science, Open University, UK) for the XRF analyses and Stephen Summers
(Geomicrobiology Group, Open University) for statistical advice. The
authors are also grateful to Steve Blake and Steve Self (Earth and
Environmental Sciences, Open University, UK) for helpful discussions and
advice, and Mark Blaxter (School of Biological Sciences, University of
Edinburgh, UK) for the sequencing facilities.
NR 49
TC 14
Z9 15
U1 0
U2 29
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0095-3628
J9 MICROB ECOL
JI Microb. Ecol.
PD JUL
PY 2011
VL 62
IS 1
BP 69
EP 79
DI 10.1007/s00248-011-9864-1
PG 11
WC Ecology; Marine & Freshwater Biology; Microbiology
SC Environmental Sciences & Ecology; Marine & Freshwater Biology;
Microbiology
GA 796DM
UT WOS:000293030400007
PM 21584756
ER
PT J
AU Hamlet, J
Eng, K
Gurrieri, T
Levy, J
Carroll, M
AF Hamlet, J.
Eng, K.
Gurrieri, T.
Levy, J.
Carroll, M.
TI Modeling of circuits with strongly temperature dependent thermal
conductivities for cryogenic CMOS
SO MICROELECTRONICS JOURNAL
LA English
DT Article
DE Thermal modeling; Cryogenic CMOS; 4 K electronics
ID TRANSISTORS
AB When designing and studying circuits operating at cryogenic temperatures understanding local heating within the circuits is critical due to the temperature dependence of transistor and noise behavior. Local heating effects of a CMOS ring oscillator and current comparator were investigated at T=4.2 K. In two cases, the temperature near the circuit was measured with an integrated thermometer. A lumped element equivalent electrical circuit SPICE model that accounts for the strongly temperature dependent thermal conductivities and special 4.2 K heat sinking considerations was developed. The temperature dependence on power is solved numerically with a SPICE package, and the results are typically within 3 sigma of the measured values for local heating ranging from <1 K to over 100 K. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Hamlet, J.; Eng, K.; Gurrieri, T.; Levy, J.; Carroll, M.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Hamlet, J (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM jrhamle@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multi-program laboratory managed and
operated by Sandia Corporation, a wholly owned subsidiary of Lockheed
Martin Corporation, for the U.S. Department of Energy's National Nuclear
Security Administration under contract DE-AC04-94AL85000.
NR 25
TC 1
Z9 1
U1 0
U2 2
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0026-2692
J9 MICROELECTRON J
JI Microelectron. J.
PD JUL
PY 2011
VL 42
IS 7
BP 936
EP 941
DI 10.1016/j.mejo.2011.04.015
PG 6
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology
SC Engineering; Science & Technology - Other Topics
GA 799CW
UT WOS:000293262100002
ER
PT J
AU Panaitescu, A
Vestrand, WT
AF Panaitescu, A.
Vestrand, W. T.
TI Optical afterglows of gamma-ray bursts: peaks, plateaus and
possibilities
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE radiation mechanisms: non-thermal; shock waves
ID SWIFT XRT DATA; X-RAY; LIGHT-CURVES; LORENTZ FACTOR; EMISSION; PROMPT;
BREAKS; ONSET
AB The optical light curves of gamma-ray burst (GRB) afterglows display either peaks or plateaus. We identify 16 afterglows of the former type, 17 of the latter and four with broad peaks, which could be of either type. The optical energy release of these two classes is similar and is correlated with the GRB output, the correlation being stronger for peaky afterglows, which suggests that the burst and afterglow emissions of peaky afterglows are from the same relativistic ejecta and that the optical emission of afterglows with plateaus arises more often from ejecta that did not produce the burst emission. Consequently, we propose that peaky optical afterglows are from impulsive ejecta releases and that plateau optical afterglows originate from long-lived engines, the break in the optical light curve (peak or plateau end) marking the onset of the entire outflow deceleration. In the peak luminosity-peak time plane, the distribution of peaky afterglows displays an edge with L-p proportional to t(p)(-3), which we attribute to variations (among afterglows) in the ambient medium density. The fluxes and epochs of optical plateau breaks follow an L-p proportional to t(b)(-1) anticorrelation. Sixty per cent of 25 afterglows that were well monitored in the optical and X-rays show light curves with comparable power-law decay indices and achromatic breaks. The other 40 per cent display three types of decoupled behaviours: (1) chromatic optical light-curve breaks (perhaps due to the peak of the synchrotron spectrum crossing the optical), (2) X-ray flux decays faster than in the optical (suggesting that the X-ray emission is from local inverse-Compton scattering) and (3) chromatic X-ray light-curve breaks (indicating that the X-ray emission is from external upscattering).
C1 [Panaitescu, A.; Vestrand, W. T.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Panaitescu, A (reprint author), Los Alamos Natl Lab, MS D466, Los Alamos, NM 87545 USA.
EM alin@lanl.gov
FU NASA [NNG09EK68I, NNG10PM41P]
FX This work was supported by NASA Guest Investigator grants NNG09EK68I and
NNG10PM41P.
NR 24
TC 30
Z9 31
U1 0
U2 1
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0035-8711
EI 1365-2966
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD JUL
PY 2011
VL 414
IS 4
BP 3537
EP 3546
DI 10.1111/j.1365-2966.2011.18653.x
PG 10
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 798CF
UT WOS:000293178600057
ER
PT J
AU Burningham, B
Leggett, SK
Homeier, D
Saumon, D
Lucas, PW
Pinfield, DJ
Tinney, CG
Allard, F
Marley, MS
Jones, HRA
Murray, DN
Ishii, M
Day-Jones, A
Gomes, J
Zhang, ZH
AF Burningham, Ben
Leggett, S. K.
Homeier, D.
Saumon, D.
Lucas, P. W.
Pinfield, D. J.
Tinney, C. G.
Allard, F.
Marley, M. S.
Jones, H. R. A.
Murray, D. N.
Ishii, M.
Day-Jones, A.
Gomes, J.
Zhang, Z. H.
TI The properties of the T8.5p dwarf Ross 458C
SO MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
LA English
DT Article
DE surveys; brown dwarfs; stars: low-mass
ID LARGE-AREA SURVEY; T-DWARFS; BROWN DWARFS; BINARY-SYSTEM; PHOTOMETRIC
CALIBRATION; INFRARED ASTRONOMY; DISCOVERY; UKIDSS; MASS; BENCHMARK
AB We present near-infrared photometry and spectroscopy, and warm-Spitzer IRAC photometry of the young very cool T dwarf Ross 458C, which we have typed as T8.5p. By applying the fiducial age constraints (<= 1 Gyr) imposed by the properties of the active M dwarf Ross 458A, we have used these data to determine that Ross 458C has T-eff = 695 +/- 60 K, log g = 4.0-4.7 and an inferred mass of 5-20M(J). We have compared fits of the near-infrared spectrum and IRAC photometry to the BT Settl and Saumon & Marley model grids, and have found that both sets provide best fits that are consistent with our derived properties, whilst the former provide a marginally closer match to the data for all scenarios explored here. The main difference between the model grids arises in the 4.5-mu m region, where the BT Settl models are able to better predict the flux through the IRAC filter, suggesting that non-equilibrium effects on the CO-CO2 ratio are important for shaping the mid-infrared spectra of very cool T dwarfs. We have also revisited the issue of the dust opacity in the spectra of Ross 458C that was raised by Burgasser et al. We have found that the BT Settl models which also incorporate a condensate cloud model provide a better match to the near-infrared spectrum of this target than the Saumon & Marley model with f(sed) = 2 and we briefly discuss the influence of condensate clouds on T dwarf spectra.
C1 [Burningham, Ben; Lucas, P. W.; Pinfield, D. J.; Jones, H. R. A.; Murray, D. N.; Gomes, J.; Zhang, Z. H.] Univ Hertfordshire, Ctr Astrophys Res, Sci & Technol Res Inst, Hatfield AL10 9AB, Herts, England.
[Leggett, S. K.] Gemini Observ, Hilo, HI 96720 USA.
[Homeier, D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Saumon, D.] Univ Gottingen, Inst Astrophys, D-37077 Gottingen, Germany.
[Tinney, C. G.] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia.
[Allard, F.] Ecole Normale Super Lyon, CRAL, CNRS, UMR 5574, F-69364 Lyon 07, France.
[Marley, M. S.] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
[Ishii, M.] Subaru Telescope, Hilo, HI 96720 USA.
[Day-Jones, A.] Univ Chile, Santiago, Chile.
RP Burningham, B (reprint author), Univ Hertfordshire, Ctr Astrophys Res, Sci & Technol Res Inst, Hatfield AL10 9AB, Herts, England.
EM B.Burningham@herts.ac.uk
OI Burningham, Ben/0000-0003-4600-5627; Marley, Mark/0000-0002-5251-2943;
Tinney, Christopher/0000-0002-7595-0970; Homeier,
Derek/0000-0002-8546-9128; Leggett, Sandy/0000-0002-3681-2989; Jones,
Hugh/0000-0003-0433-3665; Allard, France/0000-0003-1929-9340
FU Gemini Observatory; ARC [DP0774000]
FX We thank our anonymous referee for comments that have greatly improved
the quality of the manuscript. The authors wish to 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. SKL is supported by the Gemini
Observatory, which is operated by the AURA, on behalf of the
international Gemini partnership of Argentina, Australia, Brazil,
Canada, Chile, the United Kingdom and the United States of America. CGT
is supported by ARC grant DP0774000. This research has made use of the
SIMBAD data base operated at CDS, Strasbourg, France, and has benefitted
from the SpeX Prism Spectral Libraries maintained by Adam Burgasser at
http://www.browndwarfs.org/spexprism.
NR 48
TC 48
Z9 48
U1 0
U2 0
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0035-8711
EI 1365-2966
J9 MON NOT R ASTRON SOC
JI Mon. Not. Roy. Astron. Soc.
PD JUL
PY 2011
VL 414
IS 4
BP 3590
EP 3598
DI 10.1111/j.1365-2966.2011.18664.x
PG 9
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 798CF
UT WOS:000293178600063
ER
PT J
AU Chen, ZH
Lee, DJ
Sun, YK
Amine, K
AF Chen, Zonghai
Lee, Dong-Ju
Sun, Yang-Kook
Amine, Khalil
TI Advanced cathode materials for lithium-ion batteries
SO MRS BULLETIN
LA English
DT Article
ID POSITIVE ELECTRODE MATERIAL; VOLTAGE CYCLING PERFORMANCE; CORE-SHELL
STRUCTURE; SECONDARY BATTERIES; ELECTROCHEMICAL PROPERTIES; HIGH-ENERGY;
LINI0.5MN1.5O4 SPINEL; SURFACE MODIFICATION; LICOO2 CATHODE; ANODE
MATERIAL
AB High-energy cathode materials with high working potential and/or high specific capacity are desired for future electrification of vehicles. In this article, we provide a general overview of advanced high-energy cathode materials using different approaches such as core-shell, concentration-gradient materials, and the effects of nanocoatings at the particle level to improve both electrochemical performance and safety. We also summarize the methods used to prepare these materials. Special attention is placed on the co-precipitation process for making dense, spherical particles for the purpose of improving the powder packing density and increasing the electrode energy density.
C1 [Chen, Zonghai; Amine, Khalil] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Lee, Dong-Ju; Sun, Yang-Kook] Hanyang Univ, Seoul 133791, South Korea.
RP Chen, ZH (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM zonghai.chen@anl.gov; 2dongju@gmail.com; yksun@hanyang.ac.kr;
amine@anl.gov
RI Sun, Yang-Kook/B-9157-2013; Chen, Zonghai/K-8745-2013; Amine,
Khalil/K-9344-2013
OI Sun, Yang-Kook/0000-0002-0117-0170;
FU U.S. Department of Energy; FreedomCAR; Vehicle Technologies Office;
UChicago Argonne, LLC [DE-AC02-06CH11357]; Ministry of Education,
Science and Technology (MEST) of Korea for the Center for Next
Generation Dye-sensitized Solar Cells [2010-0001842]; Korea government
Ministry of Knowledge Economy [20104010100560]
FX The research of Z. Chen and K. Amine is funded by the U.S. Department of
Energy, FreedomCAR, and Vehicle Technologies Office. Argonne National
Laboratory is operated for the U.S. Department of Energy by the UChicago
Argonne, LLC, under contract DE-AC02-06CH11357. The work of D.-J. Lee
and Y.-K. Sun was supported by the Basic Science Research Program
through the National Research Foundation of Korea (NRF) grant funded
from the Ministry of Education, Science and Technology (MEST) of Korea
for the Center for Next Generation Dye-sensitized Solar Cells (No.
2010-0001842) and by the Human Resources Development of the Korea
Institute of Energy Technology Evaluation and Planning (KETEP) grant
funded by the Korea government Ministry of Knowledge Economy (No.
20104010100560).
NR 60
TC 24
Z9 24
U1 0
U2 58
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0883-7694
J9 MRS BULL
JI MRS Bull.
PD JUL
PY 2011
VL 36
IS 7
BP 498
EP 505
DI 10.1557/mrs.2011.155
PG 8
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 798XW
UT WOS:000293246500008
ER
PT J
AU Barber, SK
Geckeler, RD
Yashchuk, VV
Gubarev, MV
Buchheim, J
Siewert, F
Zeschke, T
AF Barber, Samuel K.
Geckeler, Ralf D.
Yashchuk, Valeriy V.
Gubarev, Mikhail V.
Buchheim, Jana
Siewert, Frank
Zeschke, Thomas
TI Optimal alignment of mirror-based pentaprisms for scanning
deflectometric devices
SO OPTICAL ENGINEERING
LA English
DT Article
DE optical metrology; surface slope metrology; surface profilometer; long
trace profiler; developmental long trace profiler; pentaprism;
mirror-based pentaprism; alignment; deflectometry; extended shear angle
difference; nanometer optical component measuring machine
ID OPTICS
AB Replacement of a bulk pentaprism with a mirror-based pentaprism (MBPP) in slope-measuring instruments, such as long trace profilers and autocollimator-based deflectometers, is a well-established way to significantly improve the reliability of surface slope measurements. This is due to the elimination of systematic errors introduced by inhomogeneity of the optical material and fabrication imperfections of bulk pentaprisms. Proper use of an MBPP requires precision mutual alignment of its mirrors. In a recent work we have reported on an original experimental procedure for optimal alignment of MBPP mirrors. The procedure has been verified with numerical ray tracing simulations and via test experiments with the developmental long trace profiler, a slope measuring profiler available at the Advanced Light Source Optical Metrology Laboratory. In the present article, we provide an analytical derivation and verification of easily executed optimal alignment algorithms for two different designs of mirror-based pentaprisms. We also provide an analytical description for a mechanism for reduction of the systematic errors introduced by a typical high quality bulk pentaprism. It is also shown that residual misalignments of an MBPP introduce entirely negligible systematic errors in surface slope measurements with scanning deflectometric devices. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3598325]
C1 [Barber, Samuel K.; Yashchuk, Valeriy V.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Geckeler, Ralf D.] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany.
[Gubarev, Mikhail V.] NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA.
[Buchheim, Jana; Siewert, Frank; Zeschke, Thomas] Helmholtz Zentrum Berlin Mat & Energie Elektronen, D-12489 Berlin, Germany.
RP Barber, SK (reprint author), Univ Calif Los Angeles, 405 Hilgard Ave, Los Angeles, CA 90095 USA.
EM VVYashchuk@lbl.gov
FU Office of Science, Office of Basic Energy Sciences, Material Science
Division, of the U.S. Department of Energy at Lawrence Berkeley National
Laboratory [DE-AC02-05CH11231]; United States Government
FX The Advanced Light Source is supported by the Director, Office of
Science, Office of Basic Energy Sciences, Material Science Division, of
the U.S. Department of Energy under Contract No. DE-AC02-05CH11231 at
Lawrence Berkeley National Laboratory.; This document was prepared as an
account of work sponsored by the United States Government. While this
document is believed to contain correct information, neither the United
States Government nor any agency thereof, nor The Regents of the
University of California, nor any of their employees, makes any
warranty, express or implied, or assumes any legal responsibility for
the accuracy, completeness, or usefulness of any information, apparatus,
product, or process disclosed, or represents that its use would not
infringe privately owned rights. Reference herein to any specific
commercial product, process, or service by its trade name, trademark,
manufacturer, or otherwise, does not necessarily constitute or imply its
endorsement, recommendation, or favoring by the United States Government
or any agency thereof, or The Regents of the University of California.
The views and opinions of authors expressed herein do not necessarily
state or reflect those of the United States Government or any agency
thereof or The Regents of the University of California.
NR 18
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U1 4
U2 9
PU SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA
SN 0091-3286
EI 1560-2303
J9 OPT ENG
JI Opt. Eng.
PD JUL
PY 2011
VL 50
IS 7
AR 073602
DI 10.1117/1.3598325
PG 8
WC Optics
SC Optics
GA 797XZ
UT WOS:000293164700024
ER
PT J
AU Eggleton, PP
AF Eggleton, Peter P.
TI Chandrasekhar's book An Introduction to the Study of Stellar Structure
SO PRAMANA-JOURNAL OF PHYSICS
LA English
DT Article; Proceedings Paper
CT Chandrasekhar Centenary Conference
CY DEC 07-11, 2010
CL Bangalore, INDIA
DE S Chandrasekhar; stellar structure; thermodynamics
ID PHOTOELECTRIC RADIAL-VELOCITIES; SPECTROSCOPIC BINARY ORBITS; RED
GIANTS; EVOLUTION; STARS
AB For me, and for many astrophysicists of my generation, Chandrasekhar's book An Introduction to the Study of Stellar Structure was very important. I could not have done my PhD (1962-1965) without it. Much more recently (1998) I realized that I could not have written my lecture course on thermodynamics and statistical mechanics without much of it, particularly the first chapter. I shall present anecdotal evidence that the influence of his discussion on the second law of thermodynamics has been important not just for astrophysics but for a much wider range of physics.
Chandrasekhar's discussion of polytropes was masterly. Even today polytropes play an important role as an aid for understanding stellar structure. I believe that to the list of analytic solutions of the polytrope only one more has to be added: a curious n = 5 model of Srivastava (1962).
Stellar structure is nowadays a very computationally intensive subject. I shall illustrate this with a couple of topics from my experience with Dj ehuty, a supercomputer code for modelling stars in 3D. Nevertheless it remains true, I believe, that analytical mathematical entities like polytropes are fundamental as aids for understanding what the computers churn out.
How close are we to seeing a book with the title 'The Last Word on the Study of Stellar Structure'? Not very, although much has been learned in 70 years. I shall discuss a few of the aspects of stellar evolution that are problematic today.
I shall discuss a couple of aspects where I believe analysis of 'piecewise polytropic' structures sheds light on the question 'Why do stars become red giants?'
C1 Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Eggleton, PP (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94551 USA.
EM eggleton1@llnl.gov
NR 16
TC 0
Z9 0
U1 1
U2 4
PU INDIAN ACAD SCIENCES
PI BANGALORE
PA C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
SN 0304-4289
J9 PRAMANA-J PHYS
JI Pramana-J. Phys.
PD JUL
PY 2011
VL 77
IS 1
SI SI
BP 97
EP 105
PG 9
WC Physics, Multidisciplinary
SC Physics
GA 797RM
UT WOS:000293145400009
ER
PT J
AU Matzner, S
Jones, M
AF Matzner, Shari
Jones, Mark
TI Measuring Coastal Boating Noise to Assess Potential Impacts on Marine
Life Researchers Monitor Noise Levels in Shallow Marine Environments
Produced by Various Motor Configurations in Small Recreational Boats
SO SEA TECHNOLOGY
LA English
DT Article
C1 [Matzner, Shari; Jones, Mark] Pacific NW Natl Lab, Marine Sensing Grp, Marine Sci Lab, Sequim, WA USA.
RP Matzner, S (reprint author), Pacific NW Natl Lab, Marine Sensing Grp, Marine Sci Lab, Sequim, WA USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU COMPASS PUBLICATIONS, INC
PI ARLINGTON
PA 1501 WILSON BLVD., STE 1001, ARLINGTON, VA 22209-2403 USA
SN 0093-3651
J9 SEA TECHNOL
JI Sea Technol.
PD JUL
PY 2011
VL 52
IS 7
BP 41
EP +
PG 4
WC Engineering, Ocean
SC Engineering
GA 796NA
UT WOS:000293056800010
ER
PT J
AU Kovtun, O
Tomlinson, ID
Sakrikar, DS
Chang, JC
Blakely, RD
Rosenthal, SJ
AF Kovtun, Oleg
Tomlinson, Ian D.
Sakrikar, Dhananjay S.
Chang, Jerry C.
Blakely, Randy D.
Rosenthal, Sandra J.
TI Visualization of the Cocaine-Sensitive Dopamine Transporter with
Ligand-Conjugated Quantum Dots
SO ACS CHEMICAL NEUROSCIENCE
LA English
DT Article
DE Quantum dot; live cell imaging; single-cell analysis; dopamine
transporter; cocaine analogue; trafficking
ID PARKINSONS-DISEASE; UPTAKE INHIBITORS; TRAFFICKING; NANOCRYSTALS;
ANALOGS; AMPHETAMINE; ASTROCYTES; RECEPTORS; DISORDER; NEURONS
AB The presynaptic dopamine (DA) transporter is responsible for DA inactivation following release and is a major target for the psychostimulants cocaine and amphetamine. Dysfunction and/or polymorphisms in human DAT (SLC6A3) have been associated with schizophrenia, bipolar disorder, Parkinson's disease, and attention-deficit hyperactivity disorder (ADHD). Despite the clinical importance of DAT, many uncertainties remain regarding the transporter's regulation, in part due to the poor spatiotemporal resolution of conventional methodologies and the relative lack of efficient DAT-specific fluorescent probes. We developed a quantum dot-based labeling approach that uses a DAT-specific, biotinylated ligand, 2-beta-carbomethoxy-3-beta-(4-fluorophenyl)tropane (IDT444), that can be bound by streptavidin-conjugated quantum dots. Flow cytometry and confocal microscopy were used to detect DAT in stably and transiently transfected mammalian cells. IDT444 is useful for quantum-dot-based fluorescent assays to monitor DAT expression, function, and plasma membrane trafficking in living cells as evidenced by the visualization of acute, protein-kinase-C (PKC)-dependent DAT internalization.
C1 [Kovtun, Oleg; Tomlinson, Ian D.; Chang, Jerry C.; Rosenthal, Sandra J.] Vanderbilt Univ, Dept Chem, Nashville, TN 37235 USA.
[Rosenthal, Sandra J.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Rosenthal, Sandra J.] Vanderbilt Univ, Dept Chem & Biomol Engn, Nashville, TN 37235 USA.
[Blakely, Randy D.; Rosenthal, Sandra J.] Vanderbilt Univ, Vanderbilt Inst Nanoscale Sci & Engn, Nashville, TN 37235 USA.
[Sakrikar, Dhananjay S.; Blakely, Randy D.; Rosenthal, Sandra J.] Vanderbilt Univ, Sch Med, Dept Pharmacol, Nashville, TN 37232 USA.
[Blakely, Randy D.] Vanderbilt Univ, Sch Med, Dept Psychiat, Nashville, TN 37232 USA.
[Blakely, Randy D.] Vanderbilt Univ, Sch Med, Ctr Mol Neurosci, Nashville, TN 37232 USA.
[Rosenthal, Sandra J.] Oak Ridge Natl Lab, Joint Fac, Oak Ridge, TN 37831 USA.
RP Rosenthal, SJ (reprint author), Vanderbilt Univ, Dept Chem, Box 1583, Nashville, TN 37235 USA.
EM sandra.j.rosenthal@vanderbilt.edu
OI Sakrikar, Dhananjay/0000-0001-8430-0120
FU NIH [CA68485, DK20593, DK58404, HD15052, DK59637, EY08126, EB003728,
DA07390, DA027739]; Vanderbilt Ingram Cancer Center [P30 CA68485];
Vanderbilt Digestive Disease Research Center [DK058404]
FX Confocal imaging using Zeiss LSM 510 Meta was performed in part through
the use of the VUMC Cell Imaging Shared Resource supported by NIH Grants
CA68485, DK20593, DK58404, HD15052, DK59637, and EY08126. Flow cytometry
experiments were performed in the VMC Flow Cytometry Shared Resource
supported by the Vanderbilt Ingram Cancer Center (P30 CA68485) and the
Vanderbilt Digestive Disease Research Center (DK058404). This work was
supported by NIH Grants EB003728 to S.J.R, and DA07390 and DA027739 to
R.D.B.
NR 39
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U1 0
U2 24
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1948-7193
J9 ACS CHEM NEUROSCI
JI ACS Chem. Neurosci.
PD JUL
PY 2011
VL 2
IS 7
BP 370
EP 378
DI 10.1021/cn200032r
PG 9
WC Biochemistry & Molecular Biology; Chemistry, Medicinal; Neurosciences
SC Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Neurosciences
& Neurology
GA 796EW
UT WOS:000293035600006
PM 22816024
ER
PT J
AU Cline, JP
Von Dreele, RB
Winburn, R
Stephens, PW
Filliben, JJ
AF Cline, James P.
Von Dreele, Robert B.
Winburn, Ryan
Stephens, Peter W.
Filliben, James J.
TI Addressing the amorphous content issue in quantitative phase analysis:
the certification of NIST standard reference material 676a
SO ACTA CRYSTALLOGRAPHICA SECTION A
LA English
DT Article
ID X-RAY-DIFFRACTION; POWDER DIFFRACTOMETRY; RIETVELD METHOD; EXTINCTION;
PROFILE; DISTRIBUTIONS; MIXTURES; PATTERNS; SAMPLES; GROWTH
AB A non-diffracting surface layer exists at any boundary of a crystal and can comprise a mass fraction of several percent in a finely divided solid. This has led to the long-standing issue of amorphous content in standards for quantitative phase analysis (QPA). NIST standard reference material (SRM) 676a is a corundum (alpha-Al2O3) powder, certified with respect to phase purity for use as an internal standard in powder diffraction QPA. The amorphous content of SRM 676a is determined by comparing diffraction data from mixtures with samples of silicon powders that were engineered to vary their specific surface area. Under the (supported) assumption that the thickness of an amorphous surface layer on Si was invariant, this provided a method to control the crystalline/amorphous ratio of the silicon components of 50/50 weight mixtures of SRM 676a with silicon. Powder diffraction experiments utilizing neutron time-of-flight and 25 keV and 67 keV X-ray energies quantified the crystalline phase fractions from a series of specimens. Results from Rietveld analyses, which included a model for extinction effects in the silicon, of these data were extrapolated to the limit of zero amorphous content of the Si powder. The certified phase purity of SRM 676a is 99.02% +/- 1.11% (95% confidence interval). This novel certification method permits quantification of amorphous content for any sample of interest, by spiking with SRM. 676a. (C) 2011 International Union of Crystallography Printed in Singapore - all rights reserved
C1 [Cline, James P.; Filliben, James J.] NIST, Gaithersburg, MD 20899 USA.
[Von Dreele, Robert B.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Winburn, Ryan] Minot State Univ, Minot, ND 58707 USA.
[Stephens, Peter W.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
RP Cline, JP (reprint author), NIST, Gaithersburg, MD 20899 USA.
EM jcline@nist.gov
FU US Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; US Department of Energy, Office of
Science. Office of Basic Energy Sciences [DE-AC02-98CH10886]
FX We are grateful to the following individuals: Marty Green of the NIST
Ceramics Division, Material Science and Engineering Laboratory for
discussions concerning the surface character of silicon; Ashfia Huq of
Oak Ridge National Laboratory for early contributions to this project
leading to the re-certification of SRM 676 for amorphous content; Peter
L. Lee for the collection of 25 keV data on beamline 32-ID-B at the
Advanced Photon Source; Max Peltz of the NIST Materials and Construction
Research Division, Building Fire and Research Laboratory, for the
collection of the light scattering particle-size data; Brian Toby for
useful discussions; and Pamela Whitfield of National Research Council,
Canada, for assistance with the computations concerning the crystallite
size distribution of SRM 676a. Use of the Advanced Photon Source and
Intense Pulsed Neutron Source was supported by the US Department of
Energy, Office of Science, Office of Basic Energy Sciences, under
contract No. DE-AC02-06CH11357. Use of the National Synchrotron Light
Source, Brookhaven National Laboratory, was supported by the US
Department of Energy, Office of Science. Office of Basic Energy
Sciences, under contract No. DE-AC02-98CH10886.
NR 41
TC 20
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U1 0
U2 18
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0108-7673
J9 ACTA CRYSTALLOGR A
JI Acta Crystallogr. Sect. A
PD JUL
PY 2011
VL 67
BP 357
EP 367
DI 10.1107/S0108767311014565
PN 4
PG 11
WC Chemistry, Multidisciplinary; Crystallography
SC Chemistry; Crystallography
GA 794ZW
UT WOS:000292942300005
PM 21694474
ER
PT J
AU Destaillats, H
Chen, WH
Apte, MG
Li, NA
Spears, M
Almosni, J
Brunner, G
Zhang, JS
Fisk, WJ
AF Destaillats, Hugo
Chen, Wenhao
Apte, Michael G.
Li, Nuan
Spears, Michael
Almosni, Jeremie
Brunner, Gregory
Zhang, Jianshun (Jensen)
Fisk, William J.
TI Secondary pollutants from ozone reactions with ventilation filters and
degradation of filter media additives
SO ATMOSPHERIC ENVIRONMENT
LA English
DT Article
DE Ozone; HVAC; Ventilation; Indoor pollutants; Filters
ID VOLATILE ORGANIC-COMPOUNDS; BUILDING-RELATED SYMPTOMS;
INDOOR-ENVIRONMENT; OUTDOOR OZONE; AIR FILTERS; FORMALDEHYDE; EMISSIONS;
PRODUCTS; REMOVAL; QUALITY
AB Prior research suggests that chemical processes taking place on the surface of particle filters employed in buildings may lead to the formation of harmful secondary byproducts. We investigated ozone reactions with fiberglass, polyester, cotton/polyester and polyolefin filter media, as well as hydrolysis of filter media additives. Studies were carried out on unused media, and on filters that were installed for 3 months in buildings at two different locations in the San Francisco Bay Area. Specimens from each filter media were exposed to similar to 150 ppbv ozone in a flow tube under a constant flow of dry or humidified air (50% RH). Ozone breakthrough was recorded for each sample over periods of similar to 1000 min: the ozone uptake rate was calculated for an initial transient period and for steady-state conditions. While ozone uptake was observed in all cases, we did not observe significant differences in the uptake rate and capacity for the various types of filter media tested. Most experiments were performed at an airflow rate of 1.3 L min(-1) (face velocity = 0.013 m s(-1)), and a few tests were also run at higher rates (8-10 L min(-1)) Formaldehyde and acetaldehyde, two oxidation byproducts, were quantified downstream of each sample. Those aldehydes (m/z 31 and 45) and other volatile byproducts (m/z 57, 59.61 and 101) were also detected in real-time using Proton-Transfer Reaction-Mass Spectrometry (PTR-MS). Low-ppbv byproduct emissions were consistently higher under humidified air than under dry conditions, and were higher when the filters were loaded with particles, as compared with unused filters. No significant differences were observed when ozone reacted over various types of filter media. Fiberglass filters heavily coated with impaction oil (tackifier) showed higher formaldehyde emissions than other samples. Those emissions were particularly high in the case of used filters, and were observed even in the absence of ozone, suggesting that hydrolysis of additives, rather than ozonolysis, is the main formaldehyde source in those filters. Emission rates of formaldehyde and acetaldehyde were not found to be large enough to substantially increase indoor concentrations in typical building scenarios. Nevertheless, ozone reactions on HVAC filters cannot be ignored as a source of low levels of indoor irritants. Published by Elsevier Ltd.
C1 [Destaillats, Hugo; Apte, Michael G.; Spears, Michael; Almosni, Jeremie; Fisk, William J.] Lawrence Berkeley Natl Lab, Indoor Environm Dept, Berkeley, CA 94720 USA.
[Destaillats, Hugo] Arizona State Univ, Sch Sustainable Engn & Built Environm, Tempe, AZ 85287 USA.
[Chen, Wenhao; Li, Nuan; Zhang, Jianshun (Jensen)] Syracuse Univ, Bldg Energy & Environm Syst Lab, Syracuse, NY USA.
[Brunner, Gregory] US EPA, Washington, DC 20460 USA.
RP Destaillats, H (reprint author), Lawrence Berkeley Natl Lab, Indoor Environm Dept, Berkeley, CA 94720 USA.
EM HDestaillats@lbl.gov
RI Destaillats, Hugo/B-7936-2013
FU U.S. Environmental Protection Agency [DW-89-92224401]; U.S. Department
of Energy [DE-AC02-05CH11231]; National Institute for Occupational
Safety and Health (NIOSH) [OH008891-01A2]; New York Strategically
Targeted Academic Research Center in Environmental Quality Systems
(NYSTAR-EQS)
FX This research was supported by the U.S. Environmental Protection Agency
through interagency agreement DW-89-92224401 with the U.S. Department of
Energy under Contract DE-AC02-05CH11231. Additional support was provided
by the National Institute for Occupational Safety and Health (NIOSH)
through grant number OH008891-01A2. PTR-MS experiments were conducted at
Syracuse University's Building Energy and Environmental Systems
Laboratory with equipments funded by the New York Strategically Targeted
Academic Research Center in Environmental Quality Systems (NYSTAR-EQS).
Conclusions in this paper are those of the authors and not necessarily
those of the U.S. Environmental Protection Agency or the U.S. Department
of Energy. The authors acknowledge LA. Gundel, M. Sidheswaran and M.
Sleiman (LBNL) for helpful suggestions, T. Hotchi and D. Sullivan (LBNL)
for experimental assistance and R. Patterson and M. Ringbom for
facilitating access to HVAC air handling systems. We also thank
anonymous reviewers for their helpful comments.
NR 29
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U1 1
U2 39
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1352-2310
J9 ATMOS ENVIRON
JI Atmos. Environ.
PD JUL
PY 2011
VL 45
IS 21
BP 3561
EP 3568
DI 10.1016/j.atmosenv.2011.03.066
PG 8
WC Environmental Sciences; Meteorology & Atmospheric Sciences
SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
GA 787DS
UT WOS:000292357400007
ER
PT J
AU Ghosh, A
Hartung, S
van der Does, C
Tainer, JA
Albers, SV
AF Ghosh, Abhrajyoti
Hartung, Sophia
van der Does, Chris
Tainer, John A.
Albers, Sonja-Verena
TI Archaeal flagellar ATPase motor shows ATP-dependent hexameric assembly
and activity stimulation by specific lipid binding
SO BIOCHEMICAL JOURNAL
LA English
DT Article
DE ATPase superfamily; lipid activation; secretion superfamily ATPase;
Sulfolobus acidocaldarius; type II/IV secretion ATPase; type IV pilus
ID CAG PATHOGENICITY ISLAND; IV PILUS STRUCTURE; X-RAY SOLUTION;
HALOBACTERIUM-SALINARUM; PSEUDOMONAS-AERUGINOSA; PROTEIN SECRETION;
SULFOLOBUS-SOLFATARICUS; METHANOCOCCUS-VOLTAE; ESCHERICHIA-COLI;
SCATTERING SAXS
AB Microbial motility frequently depends on flagella or type TV pili. Using recently developed archaeal genetic tools, archaeal flagella and its assembly machinery have been identified. Archaeal flagella are functionally similar to bacterial flagella and their assembly systems are homologous with type IV pill assembly systems of Gram-negative bacteria. Therefore elucidating their biochemistry may result in insights in both archaea and bacteria. Flak a critical cytoplasmic component of the archaeal flagella assembly system in Sulfolobus acidocaldarius, is a member of the type II/IV secretion system ATPase superfamily, and is proposed to be bi-functional in driving flagella assembly and movement. In the present study we show that purified FlaI is a Mn(2+)-dependent ATPase that binds MANT-ATP [2'-/3'-O-(N'-methylanthraniloyl)adenosine-5'-O-triphosphate] with a high affinity and hydrolyses ATP in a co-operative manner. FlaI has an optimum pH and temperature of 6.5 and 75 degrees C for ATP hydrolysis. Remarkably, archaeal, but not bacterial, lipids stimulated the ATPase activity of FlaI 3-4-fold. Analytical gel filtration indicated that FlaI undergoes nucleotide-dependent oligomerization. Furthermore, SAXS (small-angle X-ray scattering) analysis revealed an ATP-dependent hexamerization of FlaI in solution. The results of the present study report the first detailed biochemical analyses of the motor protein of an archaeal flagellum.
C1 [van der Does, Chris; Albers, Sonja-Verena] Max Planck Inst Terr Microbiol, Dept Ecophysiol, D-35043 Marburg, Germany.
[Hartung, Sophia; Tainer, John A.] Scripps Res Inst, Dept Mol Biol, La Jolla, CA 92037 USA.
[Hartung, Sophia; Tainer, John A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Albers, SV (reprint author), Max Planck Inst Terr Microbiol, Dept Ecophysiol, Karl von Frisch Str 10, D-35043 Marburg, Germany.
EM albers@mpi-marburg.mpg.de
RI Albers, Sonja-Verena/H-1213-2012; Ghosh, Abhrajyoti/H-8550-2012;
OI Ghosh, Abhrajyoti/0000-0002-2469-3740; Albers,
Sonja-Verena/0000-0003-2459-2226
FU Max Planck Postdoctoral fellowship; Dutch Science Organization (NWO);
Max Planck Society; National Institutes of Health [AI022160]; 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 A.G. received a Max Planck Postdoctoral fellowship and S.V.A. was
supported by a VIDI grant of the Dutch Science Organization (NWO) and
intramural funds of the Max Planck Society. T4P system studies by S.H.
and J.A.T. are supported by the National Institutes of Health [grant
number AI022160] and the microbial complex SAXS studies are supported by
the ENIGMA Program of the Department of Energy, Office of Biological and
Environmental Research [contract number DE-AC02-05CH11231], the Lawrence
Berkeley National Laboratory and by the National Institutes of Health
[gram number AI022160]. The SIBYLS beamline (BL12.3.1) at the Advanced
Light Source is supported by the United States Department of Energy
program Integrated Diffraction Analysis Technologies (IDAT) [grant
number DE-AC02-05CH11231].
NR 56
TC 25
Z9 27
U1 1
U2 5
PU PORTLAND PRESS LTD
PI LONDON
PA THIRD FLOOR, EAGLE HOUSE, 16 PROCTER STREET, LONDON WC1V 6 NX, ENGLAND
SN 0264-6021
J9 BIOCHEM J
JI Biochem. J.
PD JUL 1
PY 2011
VL 437
BP 43
EP 52
DI 10.1042/BJ20110410
PN 1
PG 10
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 792BC
UT WOS:000292714500005
PM 21506936
ER
PT J
AU Chen, F
Drumm, EC
Guiochon, G
AF Chen, Feng
Drumm, Eric C.
Guiochon, Georges
TI Coupled discrete element and finite volume solution of two classical
soil mechanics problems
SO COMPUTERS AND GEOTECHNICS
LA English
DT Article
DE Discrete element method; Finite volume method; Open source code; Coupled
flow problem; 1D upward seepage flow; 1D consolidation
ID SIMULATIONS; FLOW
AB One dimensional solutions for the classic critical upward seepage gradient/quick condition and the time rate of consolidation problems are obtained using coupled routines for the finite volume method (FVM) and discrete element method (DEM), and the results compared with the analytical solutions. The two phase flow in a system composed of fluid and solid is simulated with the fluid phase modeled by solving the averaged Navier-Stokes equation using the FVM and the solid phase is modeled using the DEM. A framework is described for the coupling of two open source computer codes: YADE-OpenDEM for the discrete element method and OpenFOAM for the computational fluid dynamics. The particle-fluid interaction is quantified using a semi-empirical relationship proposed by Ergun [12]. The two classical verification problems are used to explore issues encountered when using coupled flow DEM codes, namely, the appropriate time step size for both the fluid and mechanical solution processes, the choice of the viscous damping coefficient, and the number of solid particles per finite fluid volume. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Chen, Feng; Drumm, Eric C.] Univ Tennessee, Dept Civil & Environm Engn, Knoxville, TN 37996 USA.
[Guiochon, Georges] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Guiochon, Georges] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Drumm, EC (reprint author), Univ Tennessee, Dept Civil & Environm Engn, Knoxville, TN 37996 USA.
EM edrumm@utk.edu
RI CHEN, FENG/B-5413-2012;
OI Drumm, Eric/0000-0001-9491-0934
FU US Department of Energy [DE-FG05-88-ER-13869]
FX This work was supported in part by Grant DE-FG05-88-ER-13869 of the US
Department of Energy.
NR 20
TC 16
Z9 16
U1 1
U2 30
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0266-352X
J9 COMPUT GEOTECH
JI Comput. Geotech.
PD JUL
PY 2011
VL 38
IS 5
BP 638
EP 647
DI 10.1016/j.compgeo.2011.03.009
PG 10
WC Computer Science, Interdisciplinary Applications; Engineering,
Geological; Geosciences, Multidisciplinary
SC Computer Science; Engineering; Geology
GA 793YM
UT WOS:000292860300005
ER
PT J
AU French, RJ
Stunkel, J
Baldwin, RM
AF French, Richard J.
Stunkel, Jim
Baldwin, Robert M.
TI Mild Hydrotreating of Bio-Oil: Effect of Reaction Severity and Fate of
Oxygenated Species
SO ENERGY & FUELS
LA English
DT Article
ID BIOMASS FAST PYROLYSIS; CATALYTIC HYDROTREATMENT
AB Bio-oil derived by fast pyrolysis of biomass represents a potentially attractive source of hydrocarbon transportation fuels. Raw bio-oil however is completely unsuitable for application as a fuel due primarily to high organic oxygen content, which imparts a number of undesirable properties including high acidity and low stability. These problems can be overcome by catalytic hydrodeoxygenation (HDO); however, removing oxygen to very low levels by hydrotreating carries a strong economic penalty. Mild hydrotreating (where moderate levels of deoxygenation take place) coupled with coprocessing in a petroleum refinery represents an alternative to deep hydrotreating, which may help improve the economics of manufacture of hydrocarbon transportation fuels from biomass. This study reports on the effect of reaction severity on the quality of bio-oil produced via mild hydrotreating in a semibatch reactor using conventional hydroprocessing catalysts. Detailed speciation of oxygen functional groups in distillate and bottoms products has been carried out, and the fate of organic oxygen as a function of reaction severity has been determined. The results indicate that acceptable refinery blendstocks and perhaps final fuels can be produced by mild hydrotreating.
C1 [French, Richard J.; Stunkel, Jim; Baldwin, Robert M.] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
RP Baldwin, RM (reprint author), Natl Renewable Energy Lab, Natl Bioenergy Ctr, 1617 Cole Blvd, Golden, CO 80401 USA.
EM robert.baldwin@nrel.gov
FU U.S. Department of Energy, Office of the Biomass Program
FX We wish to acknowledge the assistance of Teresa Alleman, Earl
Christensen, Gina Chupka, Jon Luecke, Michele Myers, Stuart Black, and
Erica Gjersing for physical and chemical analysis of the products and
Kristiina Iisa for project management. Financial support from the U.S.
Department of Energy, Office of the Biomass Program, is gratefully
acknowledged.
NR 26
TC 30
Z9 31
U1 2
U2 46
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 JUL
PY 2011
VL 25
IS 7
BP 3266
EP 3274
DI 10.1021/ef200462v
PG 9
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 794JR
UT WOS:000292892700059
ER
PT J
AU Nakano, J
Kwong, KS
Bennett, J
Lam, T
Fernandez, L
Komolwit, P
Sridhar, S
AF Nakano, Jinichiro
Kwong, Kyei-Sing
Bennett, James
Lam, Thomas
Fernandez, Laura
Komolwit, Piyamanee
Sridhar, Seetharaman
TI Phase Equilibria in Synthetic Coal-Petcoke Slags
(Al2O3-CaO-FeO-SiO2-V2O3) under Simulated Gasification Conditions
SO ENERGY & FUELS
LA English
DT Article
ID PETROLEUM COKE; VANADIUM
AB Phase equilibria of the Al2O3-CaO-FeO-SiO2-V2O3 system in synthetic slag mixtures simulating coal-petcoke slag chemistry at 1500 degrees C in an oxygen partial pressure of 10(-8) atm were investigated by a series of quench experiments. Quenched samples were analyzed by inductively coupled plasma optical emission spectrometry (ICP), X-ray diffractometry (XRD), transmission electron microscopy (TEM), and wavelength dispersive X-ray (WDX). Two precipitated crystal phases were identified in molten slags: mullite (3Al(2)O(3)center dot 2SiO(2)) in Al2O3-rich slags and karelianite (V2O3) in V2O3-rich slags. Scanning electron microscopy and TEM diffraction patterns confirmed the presence of the mullite and karelianite phases. On the basis of experimental results, an isothermal phase diagram of the Al2O3-CaO-FeO-SiO2-V2O3 system at 1500 degrees C and P-O2, = 10(-8) atm is proposed while keeping CaO = 7.0 wt % and FeO = 13.5 wt %.
C1 [Nakano, Jinichiro; Kwong, Kyei-Sing; Bennett, James; Lam, Thomas; Sridhar, Seetharaman] US DOE, Natl Energy Technol Lab, Albany, OR 97321 USA.
[Nakano, Jinichiro] URS Corp, Albany, OR 97321 USA.
[Fernandez, Laura; Komolwit, Piyamanee; Sridhar, Seetharaman] 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
FU National Energy Technology Laboratory under the RES [DE-FE0004000]
FX This technical effort was performed in support of the ongoing research
of the National Energy Technology Laboratory in Control of Carbon
Feedstock and the Impact on Gasifier under the RES Contract
DE-FE0004000. The authors also acknowledge the FIB TEM preparation work
provided by the CAMCOR facility of the University of Oregon.
NR 22
TC 10
Z9 11
U1 3
U2 33
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 JUL
PY 2011
VL 25
IS 7
BP 3298
EP 3306
DI 10.1021/ef200633q
PG 9
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 794JR
UT WOS:000292892700063
ER
PT J
AU Stalford, H
Young, RW
Nordberg, EP
Pinilla, CB
Levy, JE
Carroll, MS
AF Stalford, Harold
Young, Ralph W.
Nordberg, Eric P.
Borras Pinilla, Carlos
Levy, James. E.
Carroll, Malcolm S.
TI Capacitance Modeling of Complex Topographical Silicon Quantum Dot
Structures
SO IEEE TRANSACTIONS ON NANOTECHNOLOGY
LA English
DT Article
DE FETs; finite-element modeling; quantum capacitance; silicon (Si)
nanowire; silicon quantum dots (QDs)
ID SINGLE-ELECTRON TRANSISTOR; SPINS; COMPUTATION
AB Quantum dot (QD) layouts are becoming more complex as the technology is being applied to more sophisticated multi-QD structures. This increase in complexity requires improved capacitance modeling both for the design and accurate interpretation of QD properties from measurement. A combination of process simulation, electrostatic simulation, and computer-assisted design (CAD) layout packages are used to develop a 3-D classical capacitance model. The agreement of the classical model's capacitances is tested against two different, experimentally measured, topographically complex silicon QD geometries. Agreement with experiment, within 10%-20%, is demonstrated for the two structures when the details of the structure are transferred from the CAD to the model capturing the full 3-D topography. Small uncertainties in device dimensions due to uncontrolled variation in processing, like layer thickness and gate size, are calculated to be sufficient to explain the disagreement. The sensitivity of the capacitances to small variations in the structure also highlights the limits of accuracy of capacitance models for QD analysis. We furthermore observe that a critical density, the metal-insulator transition, can be used as a good approximation of the metallic edge of the QD when electron density in the dot is calculated directly with a semi-classical simulation.
C1 [Stalford, Harold] Univ Oklahoma, Sch Aerosp & Mech Engn, Norman, OK 73019 USA.
[Young, Ralph W.; Levy, James. E.; Carroll, Malcolm S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Nordberg, Eric P.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Borras Pinilla, Carlos] Univ Oklahoma, Norman, OK 73019 USA.
[Borras Pinilla, Carlos] Univ Ind Santander, Bucaramanga 678 6344000, Colombia.
RP Stalford, H (reprint author), Univ Oklahoma, Sch Aerosp & Mech Engn, Norman, OK 73019 USA.
EM stalford@ou.edu; rwyoung@sandia.gov; enordbe@wisc.edu; cborras@ou.edu;
jelevy@sandia.gov; mscarro@sandia.gov
FU Sandia National Laboratories [DE-AC04-94AL85000]
FX This work was supported by the Laboratory Directed Research and
Development program at Sandia National Laboratories under Contract
DE-AC04-94AL85000. 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. The
review of this paper was arranged by Associate Editor M. M. De Souza.
NR 21
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Z9 2
U1 2
U2 8
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1536-125X
J9 IEEE T NANOTECHNOL
JI IEEE Trans. Nanotechnol.
PD JUL
PY 2011
VL 10
IS 4
BP 855
EP 864
DI 10.1109/TNANO.2010.2087035
PG 10
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Materials Science, Multidisciplinary; Physics, Applied
SC Engineering; Science & Technology - Other Topics; Materials Science;
Physics
GA 795HX
UT WOS:000292966400031
ER
PT J
AU Ginosar, DM
Petkovic, LM
Burch, KC
AF Ginosar, Daniel M.
Petkovic, Lucia M.
Burch, Kyle C.
TI Commercial activated carbon for the catalytic production of hydrogen via
the sulfur-Iodine thermochemical water splitting cycle
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Thermochemical water splitting; Sulfur-iodine cycle; Hydroiodic acid
decomposition; Hydrogen production; Activated carbon catalyst
ID CERIA CATALYSTS; DECOMPOSITION; KINETICS
AB Eight commercial activated carbon catalysts were examined for their catalytic activity to decompose hydroiodic acid (HI) to produce hydrogen; a key reaction in the sulfur-iodine (S-I) thermochemical water splitting cycle. Activity was examined under a temperature ramp from 473 to 773 K. No statistically significant correlation was found between the measured catalyst sample properties and catalytic activity. Four of the eight samples were examined for one week of continuous operation at 723 K. All samples appeared to be stable over the period of examination. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Ginosar, Daniel M.; Petkovic, Lucia M.; Burch, Kyle C.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Ginosar, DM (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM daniel.ginosar@inl.gov
RI Petkovic, Lucia/E-9092-2011; Ginosar, Daniel/C-2357-2017
OI Petkovic, Lucia/0000-0002-0870-3355; Ginosar, Daniel/0000-0002-8522-1659
FU U.S. Department of Energy, Office of Nuclear Energy under DOE Idaho
Operations Office [DE-AC07-05ID14517]; Battelle Energy Alliance, LLC,
U.S. Department of Energy [DE-AC07-05ID14517]
FX This work was supported by the U.S. Department of Energy, Office of
Nuclear Energy under DOE Idaho Operations Office Contract
DE-AC07-05ID14517. This manuscript has been authored by Battelle Energy
Alliance, LLC under Contract No. DE-AC07-05ID14517 with the U.S.
Department of Energy. The United States Government retains and the
publisher, by accepting the article for publication, acknowledges that
the United States Government retains a nonexclusive, paid-up,
irrevocable, world-wide license to publish or reproduce the published
form of this manuscript, or allow others to do so, for United States
Government purposes.
NR 22
TC 7
Z9 9
U1 1
U2 10
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 JUL
PY 2011
VL 36
IS 15
BP 8908
EP 8914
DI 10.1016/j.ijhydene.2011.04.164
PG 7
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 795AS
UT WOS:000292944500013
ER
PT J
AU Park, CY
Lee, TH
Dorris, SE
Lu, Y
Balachandran, U
AF Park, C. Y.
Lee, T. H.
Dorris, S. E.
Lu, Y.
Balachandran, U.
TI Oxygen permeation and coal-gas-assisted hydrogen production using oxygen
transport membranes
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE La(0.7)Sr(0.3)Cu(0.2)Fe(0.8)O(3-delta); BaFe(0.9)Zr(0.1)O(3-delta);
Oxygen transport membrane; Water splitting; Hydrogen production
ID BAFEO3-DELTA PEROVSKITES; CERAMIC MEMBRANES; OXIDE MEMBRANES;
FUEL-CELLS; CONDUCTIVITY; PERMEABILITY; CERMET; FOSSIL
AB A tubular oxygen transport membrane (OTM) was developed to produce hydrogen via water splitting using fossil sources. In this study, two OTM materials, La(0.7)Sr(0.3)Cu(0.2)Fe(0.8)O(3-delta)(LSCF) and BaFe(0.9)Zr(0.1)O(3-delta) (BFZ), were prepared by a conventional solid-state technique. In tests with an LSCF thin-film tube (thickness approximate to 30 mu m) as an OTM, hydrogen was produced by flowing simulated product streams from coal gasification on one side of the OTM and steam on the other side. In this method, the coal gas on the oxygen-permeate side drives the removal of oxygen from the other hydrogen-generation side of the OTM, where hydrogen and oxygen are produced by water splitting. With CO (99.5% purity) flowing on the oxygen-permeate side, the hydrogen production rate of the LSCF tube was measured to be approximate to 19.6 cm(3)/min at 900 degrees C, indicating that hydrogen can be produced at a significant rate by using product streams from coal gasification. Concentration polarization effects were found to lower the hydrogen production rate of the LSCF thin-film tube at high temperatures. This process also yields a CO(2)-rich product stream that is ready for sequestration. The other candidate OTM material, BFZ, was tested by measuring its oxygen-permeation flux, DC conductivity, and hydrogen production, and by evaluating its microstructure. The dependences of the hydrogen production rate of BFZ disks (thickness, approximate to 1.6 mm) on water partial pressure and temperature were determined while flowing 80% CO(2)/He over a graphite rod on the oxygen-permeate side and humidified N(2) on the hydrogen-generation side. Preliminary results indicate that BFZ is a promising OTM material. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Park, C. Y.; Lee, T. H.; Dorris, S. E.; Lu, Y.; Balachandran, U.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
RP Park, CY (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave,Bldg 212, Argonne, IL 60439 USA.
EM cpark@anl.gov
FU U.S. Department of Energy (DOE), Office of Fossil Energy, National
Energy Technology Laboratory [DE-AC02-06CH11357]
FX Work supported by the U.S. Department of Energy (DOE), Office of Fossil
Energy, National Energy Technology Laboratory's Advanced Fuels
Technology Program, under Contract DE-AC02-06CH11357.
NR 25
TC 10
Z9 10
U1 4
U2 18
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 JUL
PY 2011
VL 36
IS 15
BP 9345
EP 9354
DI 10.1016/j.ijhydene.2011.04.090
PG 10
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 795AS
UT WOS:000292944500062
ER
PT J
AU Neufeld, RB
AF Neufeld, Richard Bryon
TI TAGGED JETS AND JET RECONSTRUCTION AS A PROBE OF QGP INDUCED PARTONIC
ENERGY LOSS
SO INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
LA English
DT Article; Proceedings Paper
CT Workshop on Jets in Proton-Proton and Heavy-Ion Collisions
CY AUG 12-14, 2010
CL Prague, CZECH REPUBLIC
AB Recent experimental advances at the Relativistic Heavy Ion Collider (RHIC) and the large center-of-mass energies available to the heavy-ion program at the Large Hadron Collider (LHC) will enable strongly interacting matter at high temperatures and densities, that is, the quark-gluon plasma (QCP), to be probed in unprecedented ways. Among these exciting new probes are fully-reconstructed inclusive jets and the away-side hadron showers associated with a weakly or electromagnetically interacting boson, or, tagged jets. Full jet reconstruction provides an experimental window into the mechanisms of quark and gluon dynamics in the QGP which is not accessible via leading particles and leading particle correlations. Theoretical advances in this growing field can help resolve some of the most controversial points in heavy ion physics today. I here discuss the power of jets to reveal the spectrum of induced radiation, thereby shedding light on the applicability of the commonly used energy loss formalisms and present results on the production and subsequent suppression of high energy jets tagged with Z bosons in relativistic heavy-ion collisions at RHIC and LHC energies using the Gyulassy-Levai-Vitev (GLV) parton energy loss approach.
C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM USA.
RP Neufeld, RB (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM USA.
EM neufeld@lanl.gov
FU US Department of Energy, Office of Science [DE-AC52-06NA25396]
FX I wish to thank my collaborators Ivan Vitev and Ben-Wei Zhang, and also
Jaroslav Bielcik and Jana Bielcikova for hosting an excellent workshop.
This work was supported in part by the US Department of Energy, Office
of Science, under Contract No. DE-AC52-06NA25396.
NR 17
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U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
SN 0218-3013
EI 1793-6608
J9 INT J MOD PHYS E
JI Int. J. Mod. Phys. E-Nucl. Phys.
PD JUL
PY 2011
VL 20
IS 7
SI SI
BP 1605
EP 1609
DI 10.1142/S0218301311019957
PG 5
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 794YV
UT WOS:000292938600015
ER
PT J
AU Kotula, PG
Sorensen, NR
AF Kotula, Paul G.
Sorensen, N. R.
TI Tomographic spectral imaging: Data acquisition and analysis via
multivariate statistical analysis
SO JOM
LA English
DT Article
ID MICROANALYSIS; IMAGES
AB Tomographic spectral imaging is a powerful technique for the three-dimensional (3-D) analysis of materials. Using a focused ion-beam/scanning electron microscope equipped with an x-ray spectrometer, 3-D microanalysis can be performed on individual regions of a sample, such as defects, with microanalytical spatial resolution of better than 300 nm typically. The focused ion-beam can serially section at comparable thicknesses to sequentially reveal new analytical surfaces within the specimen. After each slice a full 2-spatial dimension spectral image, consisting of a complete spectrum at each point in the 2-D array, is acquired with the scanning electron microscope/energy-dispersive x-ray spectrometer on the same platform. The process is repeated multiple times to result in a 3-D or tomographic spectral image. The challenge is to effectively and efficiently analyze the tomographic spectral image to extract chemical phase distributions. Therefore, automated multivariate statistical analysis methods were developed and applied to these images. Sandia's Automated eXpert Spectral Image Analysis multivariate statistical analysis software requires no a priori information to find even very weak signals hidden in the data sets. The result of the analysis is a small number of chemical components which describe the 3-D phase distribution in the volume of material sampled. These 3-D phases can then be effectively visualized with off-the-shelf 3-D rendering software.
C1 [Kotula, Paul G.; Sorensen, N. R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Kotula, PG (reprint author), Sandia Natl Labs, POB 5800,MS 0886, Albuquerque, NM 87185 USA.
EM pgkotul@sandia.gov
RI Kotula, Paul/A-7657-2011
OI Kotula, Paul/0000-0002-7521-2759
FU United Stated Department of Energy (DOE) [DE-AC04-94AL85000]
FX The authors would like to acknowledge Michael Rye for assistance in
acquiring the TSI data and Mark Van Benthem for helpful comments. Sandia
is a multiprogram laboratory operated by Sandia Corporation, a Lockheed
Martin Company, for the National Nuclear Security Administration, part
of the United Stated Department of Energy (DOE) under contract
DE-AC04-94AL85000.
NR 4
TC 1
Z9 1
U1 0
U2 7
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1047-4838
J9 JOM-US
JI JOM
PD JUL
PY 2011
VL 63
IS 7
BP 41
EP 43
DI 10.1007/s11837-011-0109-z
PG 3
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mineralogy; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mineralogy;
Mining & Mineral Processing
GA 794IE
UT WOS:000292887900009
ER
PT J
AU Barabash, RI
AF Barabash, Rozaliya I.
TI Small scale materials behavior from X-ray microdiffraction and imaging:
Part II
SO JOM
LA English
DT Editorial Material
ID ELASTIC STRAINS; DIFFRACTION; PLASTICITY
C1 [Barabash, Rozaliya I.] Oak Ridge Natl Lab, MST Div, Oak Ridge, TN 37831 USA.
RP Barabash, RI (reprint author), Oak Ridge Natl Lab, MST Div, Oak Ridge, TN 37831 USA.
NR 7
TC 1
Z9 1
U1 0
U2 6
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1047-4838
J9 JOM-US
JI JOM
PD JUL
PY 2011
VL 63
IS 7
BP 60
EP 60
DI 10.1007/s11837-011-0114-2
PG 1
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mineralogy; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mineralogy;
Mining & Mineral Processing
GA 794IE
UT WOS:000292887900014
ER
PT J
AU Lienert, U
Li, SF
Hefferan, CM
Lind, J
Suter, RM
Bernier, JV
Barton, NR
Brandes, MC
Mills, MJ
Miller, MP
Jakobsen, B
Pantleon, W
AF Lienert, U.
Li, S. F.
Hefferan, C. M.
Lind, J.
Suter, R. M.
Bernier, J. V.
Barton, N. R.
Brandes, M. C.
Mills, M. J.
Miller, M. P.
Jakobsen, B.
Pantleon, W.
TI High-energy diffraction microscopy at the advanced photon source
SO JOM
LA English
DT Article
ID X-RAY-DIFFRACTION; DEFORMATION STRUCTURES; DISLOCATION DENSITIES;
ELASTIC STRAINS; IN-SITU; MICROSTRUCTURE
AB The status of the High Energy Diffraction Microscopy (HEDM) program at the 1-ID beam line of the Advanced Photon Source is reported. HEDM applies high energy synchrotron radiation for the grain and sub-grain scale structural and mechanical characterization of polycrystalline bulk materials in situ during thermomechanical loading. Case studies demonstrate the mapping of grain boundary topology, the evaluation of stress tensors of individual grains during tensile deformation and comparison to a finite element modeling simulation, and the characterization of evolving dislocation structure. Complementary information is obtained by post mortem electron microscopy on the same sample volume previously investigated by HEDM.
C1 [Lienert, U.] Argonne Natl Lab, Lemont, IL 60439 USA.
[Li, S. F.; Hefferan, C. M.; Lind, J.; Suter, R. M.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Bernier, J. V.; Barton, N. R.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Brandes, M. C.] Ohio State Univ, Dept Mat Sci, Columbus, OH 43210 USA.
[Miller, M. P.] Cornell Univ, Ithaca, NY 14853 USA.
[Jakobsen, B.] Roskilde Univ Ctr, DK-4000 Roskilde, Denmark.
[Pantleon, W.] Riso DTU, DK-4000 Roskilde, Denmark.
RP Lienert, U (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Lemont, IL 60439 USA.
EM lienert@aps.anl.gov
RI Li, Shiu Fai/B-2605-2014; Mills, Michael/I-6413-2013; Pantleon,
Wolfgang/L-9657-2014; Suter, Robert/P-2541-2014; Miller,
Matthew/D-7903-2017;
OI Li, Shiu Fai/0000-0001-9805-5621; Pantleon,
Wolfgang/0000-0001-6418-6260; Suter, Robert/0000-0002-0651-0437;
Jakobsen, Bo/0000-0002-4018-6431
FU National Science Foundation [DMR-0520425, DMR-0805100]; Office of Naval
Research [N00014-05-1-0505]; Center of Fundamental Research; Danish
Natural Science Research Council; U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; U.S.
Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; Laboratory Directed Research and Development
[10-ERD-053]
FX Work at CMU was supported by the MRSEC program of the National Science
Foundation under award number DMR-0520425 and the NSF Metals program
under award number DMR-0805100; NSF TeraGrid resources were provided by
the Pittsburgh Supercomputing Center. Cornell gratefully acknowledges
the Office of Naval Research, Julie Christodoulou, Grant Officer for
support of this work as part of the D 3-D Program, contract number
N00014-05-1-0505. Work at Riso DTU was supported by the Danish National
Research Foundation through funding of the Center of Fundamental
Research: Metal Structures in Four Dimensions and the Danish Natural
Science Research Council. 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. Part of
this work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344, with funding supplied by Laboratory Directed Research
and Development grant 10-ERD-053.
NR 17
TC 56
Z9 57
U1 3
U2 48
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1047-4838
J9 JOM-US
JI JOM
PD JUL
PY 2011
VL 63
IS 7
BP 70
EP 77
DI 10.1007/s11837-011-0116-0
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mineralogy; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mineralogy;
Mining & Mineral Processing
GA 794IE
UT WOS:000292887900016
ER
PT J
AU Carvallo, MA
Pino, MT
Jeknic, Z
Zou, C
Doherty, CJ
Shiu, SH
Chen, THH
Thomashow, MF
AF Carvallo, Marcela A.
Pino, Maria-Teresa
Jeknic, Zoran
Zou, Cheng
Doherty, Colleen J.
Shiu, Shin-Han
Chen, Tony H. H.
Thomashow, Michael F.
TI A comparison of the low temperature transcriptomes and CBF regulons of
three plant species that differ in freezing tolerance: Solanum
commersonii, Solanum tuberosum, and Arabidopsis thaliana
SO JOURNAL OF EXPERIMENTAL BOTANY
LA English
DT Article
DE Arabidopsis; CBF regulon; freezing tolerance; low temperature
transcriptome; Solanum species
ID RESPONSIVE GENE-EXPRESSION; LINEAGE-SPECIFIC GENES; COLD-ACCLIMATION;
ABSCISIC-ACID; WATER-DEFICIT; PROBE LEVEL; STRESS; FAMILY; PATHWAYS;
DROUGHT
AB Solanum commersonii and Solanum tuberosum are closely related plant species that differ in their abilities to cold acclimate; whereas S. commersonii increases in freezing tolerance in response to low temperature, S. tuberosum does not. In Arabidopsis thaliana, cold-regulated genes have been shown to contribute to freezing tolerance, including those that comprise the CBF regulon, genes that are controlled by the CBF transcription factors. The low temperature transcriptomes and CBF regulons of S. commersonii and S. tuberosum were therefore compared to determine whether there might be differences that contribute to their differences in ability to cold acclimate. The results indicated that both plants alter gene expression in response to low temperature to similar degrees with similar kinetics and that both plants have CBF regulons composed of hundreds of genes. However, there were considerable differences in the sets of genes that comprised the low temperature transcriptomes and CBF regulons of the two species. Thus differences in cold regulatory programmes may contribute to the differences in freezing tolerance of these two species. However, 53 groups of putative orthologous genes that are cold-regulated in S. commersonii, S. tuberosum, and A. thaliana were identified. Given that the evolutionary distance between the two Solanum species and A. thaliana is 112-156 million years, it seems likely that these conserved cold-regulated genes-many of which encode transcription factors and proteins of unknown function-have fundamental roles in plant growth and development at low temperature.
C1 [Carvallo, Marcela A.; Doherty, Colleen J.; Thomashow, Michael F.] Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
[Zou, Cheng; Shiu, Shin-Han] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
[Thomashow, Michael F.] Michigan State Univ, Dept Crop & Soil Sci, E Lansing, MI 48824 USA.
[Pino, Maria-Teresa; Jeknic, Zoran; Chen, Tony H. H.] Oregon State Univ, Dept Hort, Corvallis, OR 97331 USA.
RP Thomashow, MF (reprint author), Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
EM thomash6@msu.edu
OI Shiu, Shin-Han/0000-0001-6470-235X; Jeknic, Zoran/0000-0002-3965-0401
FU National Science Foundation [DBI 0110124]; Chemical Sciences,
Geosciences and Biosciences Division, Office of Basic Energy Sciences,
US Department of Energy [DE-FG02-91ER20021]; Michigan Agricultural
Experiment Station
FX We thank Sarah Gilmour for assistance in preparing this manuscript for
publication. The research reported was supported by grants from the
National Science Foundation Plant Genome Program (DBI 0110124), the
Chemical Sciences, Geosciences and Biosciences Division, Office of Basic
Energy Sciences, US Department of Energy (DE-FG02-91ER20021), and the
Michigan Agricultural Experiment Station.
NR 59
TC 47
Z9 49
U1 1
U2 43
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0022-0957
J9 J EXP BOT
JI J. Exp. Bot.
PD JUL
PY 2011
VL 62
IS 11
BP 3807
EP 3819
DI 10.1093/jxb/err066
PG 13
WC Plant Sciences
SC Plant Sciences
GA 793QR
UT WOS:000292838700010
PM 21511909
ER
PT J
AU Knepper, R
Tappan, AS
Wixom, RR
Rodriguez, MA
AF Knepper, Robert
Tappan, Alexander S.
Wixom, Ryan R.
Rodriguez, Mark A.
TI Controlling the microstructure of vapor-deposited pentaerythritol
tetranitrate films
SO JOURNAL OF MATERIALS RESEARCH
LA English
DT Article
ID THIN-FILMS; GROWTH; MORPHOLOGY; EXPLOSIVES; INITIATION; PERYLENE;
CRYSTALS; MODEL
AB We have demonstrated that the microstructure of thick pentaerythritol tetranitrate (PETN) films can be controlled using physical vapor deposition by varying the film/substrate interface. PETN films were deposited on silicon and fused silica with and without a thin layer of sputtered aluminum to demonstrate the effects of the interface on subsequent film growth. Evolution of surface morphology, average density, and surface roughness as a function of film thickness were characterized using surface profilometry, scanning electron microscopy, and atomic force microscopy. Significant variations in density, pore size, and surface morphology were observed in films deposited on the different substrates. In addition, x-ray diffraction experiments showed that while films deposited on bare fused silica or silicon had only weak texturing, films deposited on a sputtered aluminum layer were highly oriented, with a strong (110) out-of-plane texture.
C1 [Knepper, Robert; Tappan, Alexander S.; Wixom, Ryan R.; Rodriguez, Mark A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Knepper, R (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM rkneppe@sandia.gov
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]; Sandia's Laboratory Directed
Research and Development; Joint Department of Defense/Department of
Energy Munitions Technology Development
FX The authors thank Michael P. Marquez and M. Barry Ritchey for their
assistance with sample preparation and SEM imaging. Sandia National
Laboratories is a multiprogram laboratory operated by Sandia
Corporation, a wholly owned subsidiary of Lockheed Martin Company, for
the United States Department of Energy's National Nuclear Security
Administration under contract DE-AC04-94AL85000. Sandia's Laboratory
Directed Research and Development Program and the Joint Department of
Defense/Department of Energy Munitions Technology Development Program
supported this work.
NR 38
TC 5
Z9 5
U1 0
U2 14
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0884-2914
J9 J MATER RES
JI J. Mater. Res.
PD JUL
PY 2011
VL 26
IS 13
BP 1605
EP 1613
DI 10.1557/jmr.2011.177
PG 9
WC Materials Science, Multidisciplinary
SC Materials Science
GA 793NQ
UT WOS:000292830800006
ER
PT J
AU Wozniakiewicz, PJ
Ishii, HA
Kearsley, AT
Burchell, MJ
Bland, PA
Bradley, JP
Dai, ZR
Teslich, N
Collins, GS
Cole, MJ
Russell, SS
AF Wozniakiewicz, Penelope J.
Ishii, Hope A.
Kearsley, Anton T.
Burchell, Mark J.
Bland, Philip A.
Bradley, John P.
Dai, Zurong
Teslich, Nick
Collins, Gareth S.
Cole, Mike J.
Russell, Sara S.
TI Investigation of iron sulfide impact crater residues: A combined
analysis by scanning and transmission electron microscopy
SO METEORITICS & PLANETARY SCIENCE
LA English
DT Article
ID INTERPLANETARY DUST PARTICLES; STARDUST ALUMINUM FOILS; MICRON-SIZED
CRATERS; HYPERVELOCITY IMPACT; COMET 81P/WILD-2; LABORATORY IMPACTS;
MARTIAN METEORITES; SAMPLE PREPARATION; NICKEL SULFIDES; QUASI-CRYSTALS
AB Samples returned from comet 81P/Wild 2 by the Stardust mission provided an unequaled opportunity to compare previously available extraterrestrial samples against those from a known comet. Iron sulfides are a major constituent of cometary grains commonly identified within cometary interplanetary dust particles (IDPs) and Wild 2 samples. Chemical analyses indicate Wild 2 sulfides are fundamentally different from those in IDPs. However, as Wild 2 dust was collected via impact into capture media at approximately 6.1 km s(-1), it is unclear whether this is due to variation in preaccretional/parent body processes experienced by these materials or due to heating and alteration during collection. We investigated alteration in pyrrhotite and pentlandite impacted into Stardust flight spare Al foils under encounter conditions by comparing scanning and transmission electron microscope (SEM, TEM) analyses of preimpact and postimpact samples and calculating estimates of various impact parameters. SEM is the primary method of analysis during initial in situ examination of Stardust foils, and therefore, we also sought to evaluate the data obtained by SEM using insights provided by TEM. We find iron sulfides experience heating, melting, separation, and loss of S, and mixing with molten Al. These results are consistent with estimated peak pressures and temperatures experienced (approximately 85 GPa, approximately 2600 K) and relative melting temperatures. Unambiguous identification of preserved iron sulfides may be possible by TEM through the location of Al-free regions. In most cases, the Ni:Fe ratio is preserved in both SEM and TEM analyses and may therefore also be used to predict original chemistry and estimate mineralogy.
C1 [Wozniakiewicz, Penelope J.; Ishii, Hope A.; Bradley, John P.; Dai, Zurong; Teslich, Nick] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Wozniakiewicz, Penelope J.; Kearsley, Anton T.; Russell, Sara S.] Nat Hist Museum, Dept Mineral, IARC, London SW7 5BD, England.
[Burchell, Mark J.; Cole, Mike J.] Univ Kent, Sch Phys Sci, Ctr Astrophys & Planetary Sci, Canterbury CT2 7NH, Kent, England.
[Bland, Philip A.; Collins, Gareth S.; Russell, Sara S.] Univ London Imperial Coll Sci Technol & Med, Dept Earth Sci & Engn, IARC, London SW11 2AZ, England.
[Bland, Philip A.] Curtin Univ Technol, Dept Appl Geol, Perth, WA 6845, Australia.
RP Wozniakiewicz, PJ (reprint author), Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, 7000 East Ave, Livermore, CA 94550 USA.
EM wozniakiewic1@llnl.gov
OI Collins, Gareth/0000-0002-6087-6149; Burchell, Mark/0000-0002-2680-8943
FU STFC; PPARC [PPA/S/S/2005/04118]; NERC [NE/E013589/1]; U.S. DOE
[DE-AC52-07NA27344]; NASA [NNH07AG46I]; LDRD [09-ERI-004]
FX We thank NASA for providing Al foils, STFC for support of the LGG and
PPARC grant funding a Ph.D. studentship for P. J. W. (grant ref.
PPA/S/S/2005/04118). We also thank G. Flynn, M. Zolensky, and D.
Brownlee for their valuable comments and suggestions during review. G.
S. C. was funded by NERC grant NE/E013589/1. Parts of this work were
performed under the auspices of the U.S. DOE by LLNL under Contract
DE-AC52-07NA27344. This work was supported by grants: NASA NNH07AG46I to
H. A. I. & LDRD 09-ERI-004 to J. P. B.
NR 58
TC 14
Z9 14
U1 0
U2 5
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 JUL
PY 2011
VL 46
IS 7
BP 1007
EP 1024
DI 10.1111/j.1945-5100.2011.01206.x
PG 18
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 794OA
UT WOS:000292908500010
ER
PT J
AU Tan, LZ
Park, CH
Louie, SG
AF Tan, Liang Z.
Park, Cheol-Hwan
Louie, Steven G.
TI New Dirac Fermions in Periodically Modulated Bilayer Graphene
SO NANO LETTERS
LA English
DT Article
DE Bilayer graphene; superlattice; periodic modulation; Dirac fermions;
zero-energy modes; quantum phase transition
AB We investigate the effect of periodic potentials on the electronic structure of bilayer graphene and show that there is a critical value of the external potential below which new Dirac fermions are generated in the low-energy band structure, and above which a band gap is opened in the system. Our results, obtained from a self-consistent tight-binding calculation, can be simply explained by a two-band continuum model as a consequence of the pseudospin physics in graphene. The findings are robust against changes in the form of the potential, as well as bias voltages between the layers.
C1 [Louie, Steven G.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Louie, SG (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM sglouie@berkeley.edu
RI Park, Cheol-Hwan/A-1543-2009;
OI Park, Cheol-Hwan/0000-0003-1584-6896; Tan, Liang Z/0000-0003-4724-6369
FU Office of Science, Office of Basic Energy Sciences, Materials Sciences
and Engineering Division, U.S. Department of Energy [DE-
AC02-05CH11231]; Office of Naval Research MURI [N00014-09-1066];
National Science Foundation [DMR10-1006184]
FX L.Z.T. and the simulations were supported by the Director, Office of
Science, Office of Basic Energy Sciences, Materials Sciences and
Engineering Division, U.S. Department of Energy under Contract No. DE-
AC02-05CH11231. C.-H.P. was partially supported by Office of Naval
Research MURI Grant N00014-09-1066 and by National Science Foundation
Grant DMR10-1006184. Computational resources were provided by NSF
through TeraGrid resources at NICS and by DOE at Lawrence Berkeley
National Laboratory's NERSC facility.
NR 44
TC 17
Z9 17
U1 0
U2 24
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 JUL
PY 2011
VL 11
IS 7
BP 2596
EP 2600
DI 10.1021/nl200055s
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 793UM
UT WOS:000292849400004
PM 21699252
ER
PT J
AU Seok, TJ
Jamshidi, A
Kim, M
Dhuey, S
Lakhani, A
Choo, H
Schuck, PJ
Cabrini, S
Schwartzberg, AM
Bokor, J
Yablonovitch, E
Wu, MC
AF Seok, Tae Joon
Jamshidi, Arash
Kim, Myungki
Dhuey, Scott
Lakhani, Amit
Choo, Hyuck
Schuck, Peter James
Cabrini, Stefano
Schwartzberg, Adam M.
Bokor, Jeffrey
Yablonovitch, Eli
Wu, Ming C.
TI Radiation Engineering of Optical Antennas for Maximum Field Enhancement
SO NANO LETTERS
LA English
DT Article
DE Plasmonics; nano-optics; optical antenna; ground plane; impedance
matching
ID RAMAN-SCATTERING; NANOPARTICLES; NANOANTENNAS; NANOCIRCUIT; SUBSTRATE;
SERS
AB Optical antennas have generated much interest in recent years due to their ability to focus optical energy beyond the diffraction limit, benefiting a broad range of applications such as sensitive photodetection, magnetic storage, and surface-enhanced Raman spectroscopy. To achieve the maximum field enhancement for an optical antenna, parameters such as the antenna dimensions, loading conditions, and coupling efficiency have been previously studied. Here, we present a framework, based on coupled-mode theory, to achieve maximum field enhancement in optical antennas through optimization of optical antennas' radiation characteristics. We demonstrate that the optimum condition is achieved when the radiation quality factor (Q(rad)) of optical antennas is matched to their absorption quality factor (Q(abs)). We achieve this condition experimentally by fabricating the optical antennas on a dielectric (SiO(2)) coated ground plane (metal substrate) and controlling the antenna radiation through optimizing the dielectric thickness. The dielectric thickness at which the matching condition occurs is approximately half of the quarter-wavelength thickness, typically used to achieve constructive interference, and leads to similar to 20% higher field enhancement relative to a quarter-wavelength thick dielectric layer.
C1 [Seok, Tae Joon; Jamshidi, Arash; Kim, Myungki; Lakhani, Amit; Choo, Hyuck; Bokor, Jeffrey; Yablonovitch, Eli; Wu, Ming C.] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Dhuey, Scott; Choo, Hyuck; Schuck, Peter James; Cabrini, Stefano; Schwartzberg, Adam M.; Bokor, Jeffrey] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Wu, MC (reprint author), Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
EM wu@eecs.berkeley.edu
RI Wu, Ming/J-9906-2012; Bokor, Jeffrey/A-2683-2011
FU DARPA SERS ST Fundamentals [FA9550-08-1-0257]; Office of Science, Office
of Basic Energy Sciences, Division of Materials Sciences and
Engineering, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported in part by DARPA SERS S&T Fundamentals No.
FA9550-08-1-0257. Work at the Molecular Foundry was supported by the
Director, Office of Science, Office of Basic Energy Sciences, Division
of Materials Sciences and Engineering, of the U.S. Department of Energy
under Contract No. DE-AC02-05CH11231. The authors would like to thank
Professor Luke P. Lee and Professor Kyoungsik Yu. The authors declare no
competing financial interests.
NR 27
TC 60
Z9 60
U1 5
U2 79
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 JUL
PY 2011
VL 11
IS 7
BP 2606
EP 2610
DI 10.1021/nl2010862
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 793UM
UT WOS:000292849400006
PM 21648393
ER
PT J
AU Evans, JE
Jungjohann, KL
Browning, ND
Arslan, I
AF Evans, James E.
Jungjohann, Katherine L.
Browning, Nigel D.
Arslan, Ilke
TI Controlled Growth of Nanoparticles from Solution with In Situ Liquid
Transmission Electron Microscopy
SO NANO LETTERS
LA English
DT Article
DE In situ TEM; liquid TEM; fluid TEM; nanoparticle growth; dynamic TEM;
DTEM
AB Direct visualization of lead sulfide nanoparticle growth is demonstrated by selectively decomposing a chemical precursor from a multicomponent solution using in situ liquid transmission electron microscopy. We demonstrate reproducible control over growth mechanisms that dictate the final morphology of nanostructures while observing growth in real-time with subnanometer spatial resolution. Furthermore, while an intense electron beam can initiate nanoparticle growth, it is also shown that a laser can trigger the reaction independently of the imaging electrons.
C1 [Evans, James E.; Browning, Nigel D.] Univ Calif Davis, Dept Mol & Cellular Biol, Davis, CA 95616 USA.
[Jungjohann, Katherine L.; Browning, Nigel D.; Arslan, Ilke] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Evans, James E.; Browning, Nigel D.] Lawrence Livermore Natl Lab, Phys Life Sci Directorate, Livermore, CA 94550 USA.
RP Evans, JE (reprint author), Univ Calif Davis, Dept Mol & Cellular Biol, 1 Shields Ave, Davis, CA 95616 USA.
EM JEEvans@UCDavis.edu
OI Browning, Nigel/0000-0003-0491-251X
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering [DE-AC52-07NA27344]; NIH
[5RC1GM91755]
FX We thank Melissa Santala, Bryan Reed, and Thomas LaGrange for
experimental assistance with Dynamic TEM. Aspects of this work relating
to Dynamic TEM were performed under the auspices of the U.S. Department
of Energy, Office of Basic Energy Sciences, Division of Materials
Sciences and Engineering, under Contract No. DE-AC52-07NA27344. J.E.E.
and N.D.B. acknowledge NIH funding support from NIH Grant Number
5RC1GM91755.
NR 14
TC 134
Z9 134
U1 20
U2 162
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 JUL
PY 2011
VL 11
IS 7
BP 2809
EP 2813
DI 10.1021/nl201166k
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 793UM
UT WOS:000292849400042
PM 21619024
ER
PT J
AU Gharghi, M
Gladden, C
Zentgraf, T
Liu, YM
Yin, XB
Valentine, J
Zhang, X
AF Gharghi, Majid
Gladden, Christopher
Zentgraf, Thomas
Liu, Yongmin
Yin, Xiaobo
Valentine, Jason
Zhang, Xiang
TI A Carpet Cloak for Visible Light
SO NANO LETTERS
LA English
DT Article
DE Optical metamaterials; invisibility cloak; transformation optics;
nanofabrication
ID FREQUENCIES; DEVICES
AB We report an invisibility carpet cloak device, which is capable of making an object undetectable by visible light. The cloak is designed using quasi conformal mapping and is fabricated in a silicon nitride waveguide on a specially developed nanoporous silicon oxide substrate with a very low refractive index (n<1.25). The spatial index variation is realized by etching holes of various sizes in the nitride layer at deep subwavelength scale creating a local effective medium index. The fabricated device demonstrates wideband invisibility throughout the visible spectrum with low loss. This silicon nitride on low index substrate can also be a general scheme for implementation of transformation optical devices at visible frequencies.
C1 [Gharghi, Majid; Gladden, Christopher; Liu, Yongmin; Yin, Xiaobo; Zhang, Xiang] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr NSEC, Berkeley, CA 94720 USA.
[Zentgraf, Thomas] Univ Paderborn, Dept Phys, D-33098 Paderborn, Germany.
[Valentine, Jason] Vanderbilt Univ, Dept Mech Engn, VU Stn B 351592, Nashville, TN 37235 USA.
[Zhang, Xiang] Univ Calif Berkeley, Lawrence Berkeley Lab, Mat Sci Div, Berkeley, CA 94720 USA.
RP Zhang, X (reprint author), Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr NSEC, 3112 Etcheverry Hall, Berkeley, CA 94720 USA.
EM xiang@berkeley.edu
RI Yin, Xiaobo/A-4142-2011; Zhang, Xiang/F-6905-2011; Valentine,
Jason/A-6121-2012; Liu, Yongmin/F-5322-2010; Gharghi, Majid/E-5412-2012;
Zentgraf, Thomas/G-8848-2013
OI Zentgraf, Thomas/0000-0002-8662-1101
FU U.S. Army Research Office (MURI) [W911NF-09-1-0539]; Natural Sciences
and Engineering Research Council of Canada (NSERC); NSF
FX The authors acknowledge funding support from the U.S. Army Research
Office (MURI programme W911NF-09-1-0539). M.G. acknowledges fellowship
from Natural Sciences and Engineering Research Council of Canada
(NSERC). C.G. acknowledges support from NSF Graduate Research Fellowship
Program (NSF GRFP). Devices fabricated in the UC Berkeley Marvell
Nanofabrication Laboratory.
NR 24
TC 75
Z9 75
U1 1
U2 51
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 JUL
PY 2011
VL 11
IS 7
BP 2825
EP 2828
DI 10.1021/nl201189z
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 793UM
UT WOS:000292849400045
PM 21619019
ER
PT J
AU Wyrick, J
Kim, DH
Sun, DZ
Cheng, ZH
Lu, WH
Zhu, YM
Berland, K
Kim, YS
Rotenberg, E
Luo, MM
Hyldgaard, P
Einstein, TL
Bartels, L
AF Wyrick, Jonathan
Kim, Dae-Ho
Sun, Dezheng
Cheng, Zhihai
Lu, Wenhao
Zhu, Yeming
Berland, Kristian
Kim, Yong Su
Rotenberg, Eli
Luo, Miaomiao
Hyldgaard, Per
Einstein, T. L.
Bartels, Ludwig
TI Do Two-Dimensional "Noble Gas Atoms" Produce Molecular Honeycombs at a
Metal Surface?
SO NANO LETTERS
LA English
DT Article
DE Quantum dots; molecular networks; self-assembly; scanning tunneling
microscopy; adsorption at surfaces; Cu(111)
ID QUANTUM DOTS; TUNNELING SPECTROSCOPY; ELECTRONIC-STRUCTURE; CONFINEMENT;
MICROSCOPE; SCATTERING; DYNAMICS; NETWORK; CORRALS; MIRAGES
AB Anthraquinone self-assembles on Cu(111) into a giant honeycomb network with exactly three molecules on each side. Here we propose that the exceptional degree of order achieved in this system can be explained as a consequence of the confinement of substrate electrons in the pores, with the pore size tailored so that the confined electrons can adopt a noble-gas-like two-dimensional quasi-atom configuration with two filled shells. Formation of identical pores in a related adsorption system (at different overall periodicity due to the different molecule size) corroborates this concept. A combination of photoemission spectroscopy with density functional theory computations (including van der Waals interactions) of adsorbate-substrate interactions allows quantum mechanical modeling of the spectra of the resultant quasi-atoms and their energetics.
C1 [Wyrick, Jonathan; Kim, Dae-Ho; Sun, Dezheng; Cheng, Zhihai; Lu, Wenhao; Zhu, Yeming; Luo, Miaomiao; Bartels, Ludwig] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA.
[Wyrick, Jonathan; Kim, Dae-Ho; Sun, Dezheng; Cheng, Zhihai; Lu, Wenhao; Zhu, Yeming; Luo, Miaomiao; Bartels, Ludwig] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA.
[Berland, Kristian; Hyldgaard, Per] Chalmers, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden.
[Kim, Yong Su; Rotenberg, Eli] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Kim, Yong Su] Hanyang Univ, Dept Appl Phys, Ansan 426791, Gyeonggi Do, South Korea.
[Einstein, T. L.] Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
RP Bartels, L (reprint author), Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA.
EM ludwig.bartels@ucr.edu
RI cheng, zhihai/F-4005-2011; bartelsdoe, ludwig/F-8008-2011; Hyldgaard,
Per/A-2038-2011; Kim, Daeho/D-4353-2011; cheng, zhihai/B-9526-2014;
Rotenberg, Eli/B-3700-2009; Bartels, Ludwig/C-2764-2008;
OI Berland, Kristian/0000-0002-4655-1233; Hyldgaard,
Per/0000-0001-5810-8119; Kim, Daeho/0000-0003-4242-316X; cheng,
zhihai/0000-0003-4938-4490; Rotenberg, Eli/0000-0002-3979-8844;
Einstein, Theodore L./0000-0001-6031-4923
FU NSF [CHE 07-49949, CHE 07-50334]; Swedish Research Council
(Vetenskapsradet VR) [621-2008-4346]; NSF MRSEC [DMR 05-20471]
FX We gratefully acknowledge joint support from NSF under Grants CHE
07-49949 (L.B.) and CHE 07-50334 (T.L.E.) and support from the Swedish
Research Council (Vetenskapsradet VR) under Grant No. 621-2008-4346.
(P.H.) L.B. acknowledges additional support through DOE
DE-FG02-07ER15842. T.L.E. acknowledges secondary support from NSF MRSEC
Grant No. DMR 05-20471 and ancillary support from CNAM.
NR 47
TC 18
Z9 18
U1 2
U2 56
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 JUL
PY 2011
VL 11
IS 7
BP 2944
EP 2948
DI 10.1021/nl201441b
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 793UM
UT WOS:000292849400065
PM 21675715
ER
PT J
AU Zeng, J
Tao, J
Su, D
Zhu, YM
Qin, D
Xia, YN
AF Zeng, Jie
Tao, Jing
Su, Dong
Zhu, Yimei
Qin, Dong
Xia, Younan
TI Selective Sulfuration at the Corner Sites of a Silver Nanocrystal and
Its Use in Stabilization of the Shape
SO NANO LETTERS
LA English
DT Article
DE Site-selection; sulfuration; polysulfide; silver; nanocrystals;
stability
ID ETHYLENE EPOXIDATION; OPTICAL-PROPERTIES; NANOPARTICLES; SODIUM; GROWTH;
NANOSTRUCTURES; NANOPRISMS; NANOWIRES; CHEMISTRY; NANORODS
AB This paper describes a new approach to site-selective sulfuration at the corner sites of Ag nanocrystals including triangular nanoplates and nanocubes. The reaction simply involved mixing an aqueous suspension of the Ag nanocrystals with an aqueous solution of polysulfide at room temperature. As a precursor to elemental S, polysulfide is highly soluble in water and can directly react with elemental Ag upon contact to generate Ag(2)S in the absence of oxygen. The reaction was easily initiated at the corner sites and then pushed toward the center. By controlling the reaction time and/or the amount of polysulfide added, the reaction could be confined to the corner sites only, generating Ag-Ag(2)S hybrid nanocrystals with greatly improved stability against aging at 80 and 100 degrees C in air than their counterparts made of pure Ag.
C1 [Zeng, Jie; Xia, Younan] Washington Univ, Dept Biomed Engn, St Louis, MO 63130 USA.
[Tao, Jing; Zhu, Yimei] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
[Su, Dong] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Qin, Dong] Washington Univ, Nano Res Facil, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA.
RP Xia, YN (reprint author), Washington Univ, Dept Biomed Engn, St Louis, MO 63130 USA.
EM xia@biomed.wustl.edu
RI Xia, Younan/E-8499-2011; Qin, Dong/E-1434-2011; Zeng, Jie/H-1327-2011;
Su, Dong/A-8233-2013
OI Zeng, Jie/0000-0002-8812-0298; Su, Dong/0000-0002-1921-6683
FU National Science Foundation (NSF) [DMR-0804088, ECS-0335765]; Washington
University in St. Louis; Ministry of Education, Science and Technology
[R32-20031]; U.S. Department of Energy (Basic Energy Sciences);
Materials Science and Engineering Division [DE-AC02-98CH10886]; CFN
FX This work was supported in part by a research grant from the NSF
(DMR-0804088) and startup funds from Washington University in St. Louis.
Part of the research was performed at the Nano Research Facility (NRF),
a member of the National Nanotechnology Infrastructure Network (NNIN),
which is supported by the National Science Foundation under NSF Award
No. ECS-0335765. Y.X. was also partially supported by the World Class
University (WCU) program through the National Research Foundation of
Korea funded by the Ministry of Education, Science and Technology
(R32-20031). The work at BNL was supported by the U.S. Department of
Energy (Basic Energy Sciences) and by the Materials Science and
Engineering Division under Contract No. DE-AC02-98CH10886 and through
the use of CFN.
NR 37
TC 39
Z9 42
U1 6
U2 106
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 JUL
PY 2011
VL 11
IS 7
BP 3010
EP 3015
DI 10.1021/nl2016448
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 793UM
UT WOS:000292849400076
PM 21688839
ER
PT J
AU Browne, E
Tuli, JK
AF Browne, E.
Tuli, J. K.
TI Nuclear Data Sheets for A=246
SO NUCLEAR DATA SHEETS
LA English
DT Article
ID EVEN-EVEN ACTINIDES; FISSION HALF-LIVES; INTERNAL-CONVERSION
COEFFICIENTS; GROUND-STATE BANDS; ALPHA-DECAY; SUPERHEAVY NUCLEI;
HEAVY-NUCLEI; EINSTEINIUM ISOTOPES; DEFORMATION SPACE; ROTATIONAL BANDS
AB The evaluators present in this publication spectroscopic data and level schemes from radioactive decay and nuclear reaction studies for all nuclei with mass number A=246.
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 200
TC 4
Z9 4
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 0090-3752
EI 1095-9904
J9 NUCL DATA SHEETS
JI Nucl. Data Sheets
PD JUL
PY 2011
VL 112
IS 7
BP 1833
EP 1873
DI 10.1016/j.nds.2011.06.002
PG 41
WC Physics, Nuclear
SC Physics
GA 792AU
UT WOS:000292713700002
ER
PT J
AU Splettstoesser, T
Holmes, KC
Noe, F
Smith, JC
AF Splettstoesser, Thomas
Holmes, Kenneth C.
Noe, Frank
Smith, Jeremy C.
TI Structural modeling and molecular dynamics simulation of the actin
filament
SO PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS
LA English
DT Article
DE actin; filament; molecular dynamics; model; conformational change
ID RAY FIBER DIFFRACTION; F-ACTIN; ATP HYDROLYSIS; ELECTRON CRYOMICROSCOPY;
CRYSTAL-STRUCTURE; MONOMERIC ACTIN; NUCLEOTIDE; MUSCLE; STATE;
MACROMOLECULES
AB Actin is a major structural protein of the eukaryotic cytoskeleton and enables cell motility. Here, we present a model of the actin filament (F-actin) that not only incorporates the global structure of the recently published model by Oda et al. but also conserves internal stereochemistry. A comparison is made using molecular dynamics simulation of the model with other recent F-actin models. A number of structural determents such as the protomer propeller angle, the number of hydrogen bonds, and the structural variation among the protomers are analyzed. The MD comparison is found to reflect the evolution in quality of actin models over the last 6 years. In addition, simulations of the model are carried out in states with both ADP or ATP bound and local hydrogen-bonding differences characterized.
C1 [Smith, Jeremy C.] Univ Tennessee ORNL, Ctr Biophys Mol, Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Splettstoesser, Thomas; Smith, Jeremy C.] Univ Heidelberg, Interdisciplinary Ctr Sci Comp, D-69120 Heidelberg, Germany.
[Holmes, Kenneth C.] Max Planck Inst Med Res, D-69120 Heidelberg, Germany.
[Noe, Frank] FU Berlin, DFG Res Ctr Matheon, D-14159 Berlin, Germany.
RP Smith, JC (reprint author), Univ Tennessee ORNL, Ctr Biophys Mol, Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM smithjc@ornl.gov
RI smith, jeremy/B-7287-2012;
OI smith, jeremy/0000-0002-2978-3227; Holmes, Kenneth/0000-0001-8894-9453
FU U.S. Department of Energy
FX Grant sponsor: U.S. Department of Energy (Laboratory-Directed Research
and Development grant)
NR 46
TC 25
Z9 25
U1 1
U2 14
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0887-3585
J9 PROTEINS
JI Proteins
PD JUL
PY 2011
VL 79
IS 7
BP 2033
EP 2043
DI 10.1002/prot.23017
PG 11
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 794TP
UT WOS:000292924500003
PM 21557314
ER
PT J
AU Li, YD
Jin, ZM
Yu, XL
Allewell, NM
Tuchman, M
Shi, DS
AF Li, Yongdong
Jin, Zhongmin
Yu, Xiaolin
Allewell, Norma M.
Tuchman, Mendel
Shi, Dashuang
TI The ygeW encoded protein from Escherichia coli is a knotted ancestral
catabolic transcarbamylase
SO PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS
LA English
DT Article
DE ygeW gene; transcarbamylase; purine degradation pathway; knotted protein
ID HUMAN ORNITHINE TRANSCARBAMYLASE; CARBAMYL OXAMIC ACID;
CRYSTAL-STRUCTURE; PUTRESCINE CARBAMOYLTRANSFERASE; ASPARTATE
TRANSCARBAMOYLASE; STREPTOCOCCUS ALLANTOICUS; ARGININE-BIOSYNTHESIS;
CHROMOSOMAL REGION; DEGRADATION; PURIFICATION
C1 [Li, Yongdong; Yu, Xiaolin; Tuchman, Mendel; Shi, Dashuang] George Washington Univ, Med Genet Res Ctr, Washington, DC 20010 USA.
[Li, Yongdong; Yu, Xiaolin; Tuchman, Mendel; Shi, Dashuang] George Washington Univ, Childrens Natl Med Ctr, Dept Integrat Syst Biol, Washington, DC 20010 USA.
[Li, Yongdong] Gannan Normal Univ, Key Lab Organo Pharmaceut Chem, Ganzhou 341000, Jiangxi, Peoples R China.
[Jin, Zhongmin] Argonne Natl Lab, SER CAT, APS, Argonne, IL 60439 USA.
[Allewell, Norma M.] Univ Maryland, Coll Comp Math & Nat Sci, Dept Cell Biol, College Pk, MD 20742 USA.
[Allewell, Norma M.] Univ Maryland, Coll Comp Math & Nat Sci, Dept Mol Genet, College Pk, MD 20742 USA.
[Allewell, Norma M.] Univ Maryland, Coll Comp Math & Nat Sci, Dept Chem & Biochem, College Pk, MD 20742 USA.
RP Shi, DS (reprint author), George Washington Univ, Med Genet Res Ctr, 111 Michigan Ave NW, Washington, DC 20010 USA.
EM dshi@cnmcresearch.org
FU Public Health Service [DK-47870, DK-067935]; National Institute of
Diabetes; Digestive and Kidney Diseases; U.S. Department of Energy
[W-31-109-Eng-38]
FX Grant sponsor: Public Health Service; Grant numbers: DK-47870 (to M.
T.), DK-067935 (to D. S.); Grant sponsor: National Institute of
Diabetes; Grant sponsor: Digestive and Kidney Diseases and U.S.
Department of Energy under contract W-31-109-Eng-38
NR 57
TC 6
Z9 6
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 JUL
PY 2011
VL 79
IS 7
BP 2327
EP 2334
DI 10.1002/prot.23043
PG 8
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 794TP
UT WOS:000292924500030
PM 21557323
ER
PT J
AU Zhang, FZ
Keasling, J
AF Zhang, Fuzhong
Keasling, Jay
TI Biosensors and their applications in microbial metabolic engineering
SO TRENDS IN MICROBIOLOGY
LA English
DT Review
ID ESCHERICHIA-COLI; GENE-EXPRESSION; BACTERIAL CHEMOTAXIS;
SIGNAL-TRANSDUCTION; COMPUTATIONAL DESIGN; BINDING-PROTEINS; SMALL
MOLECULES; LOW-TEMPERATURE; SENSOR; RNA
AB Many metabolic pathways in microbial hosts have been created, modified and engineered to produce useful molecules. The titer and yield of a final compound is often limited by the inefficient use of cellular resources and imbalanced metabolism. Engineering sensory-regulation devices that regulate pathway gene expression in response to the environment and metabolic status of the cell have great potential to solve these problems, and enhance product titers and yields. This review will focus on recent developments in biosensor design, and their applications for controlling microbial behavior.
C1 [Zhang, Fuzhong; Keasling, Jay] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Keasling, Jay] Synthet Biol Engn Res Ctr, Emeryville, CA 94608 USA.
[Zhang, Fuzhong; Keasling, Jay] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Zhang, Fuzhong; Keasling, Jay] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
RP Keasling, J (reprint author), Joint BioEnergy Inst, 5885 Hollis St, Emeryville, CA 94608 USA.
EM keasling@berkeley.edu
RI Keasling, Jay/J-9162-2012
OI Keasling, Jay/0000-0003-4170-6088
FU National Science Foundation [0540879]; U.S. Department of Energy, Office
of Science, Office of Biological and Environmental Research
[DE-AC02-05CH11231]; Natural Sciences and Engineering Research Council
of Canada
FX This work was supported in part by the Synthetic Biology Engineering
Research Center, which is funded by National Science Foundation Award
No. 0540879, and by the Joint BioEnergy Institute, which is funded by
the U.S. Department of Energy, Office of Science, Office of Biological
and Environmental Research, through contract DE-AC02-05CH11231. F.Z. is
supported by the Postdoctoral Fellowships Program of the Natural
Sciences and Engineering Research Council of Canada.
NR 60
TC 47
Z9 47
U1 11
U2 65
PU ELSEVIER SCIENCE LONDON
PI LONDON
PA 84 THEOBALDS RD, LONDON WC1X 8RR, ENGLAND
SN 0966-842X
J9 TRENDS MICROBIOL
JI Trends Microbiol.
PD JUL
PY 2011
VL 19
IS 7
SI SI
BP 323
EP 329
DI 10.1016/j.tim.2011.05.003
PG 7
WC Biochemistry & Molecular Biology; Microbiology
SC Biochemistry & Molecular Biology; Microbiology
GA 797HV
UT WOS:000293116000005
PM 21664818
ER
PT J
AU Kim, AM
Bernhardt, ML
Kong, BY
Ahn, RW
Vogt, S
Woodruff, TK
O'Halloran, TV
AF Kim, Alison M.
Bernhardt, Miranda L.
Kong, Betty Y.
Ahn, Richard W.
Vogt, Stefan
Woodruff, Teresa K.
O'Halloran, Thomas V.
TI Zinc Sparks Are Triggered by Fertilization and Facilitate Cell Cycle
Resumption in Mammalian Eggs
SO ACS CHEMICAL BIOLOGY
LA English
DT Article
ID CORTICAL GRANULE EXOCYTOSIS; MOUSE EGGS; INTRACELLULAR ZINC; CALCIUM;
ACTIVATION; OOCYTES; ARREST; CHEMISTRY; INDICATOR; ELEVATION
AB In last few hours of maturation, the mouse oocyte takes up over twenty billion zinc atoms and arrests after the first meiotic division, until fertilization or pharmacological intervention stimulates cell cycle progression toward a new embryo. Using chemical and physical probes, we show that fertilization of the mature, zinc-enriched egg triggers the ejection of zinc into the extracellular milieu in a series of coordinated events termed zinc sparks. These events immediately follow the well-established series of calcium oscillations within the activated egg and are evolutionarily conserved in several mammalian species, including rodents and nonhuman primates. Functionally, the zinc sparks mediate a decrease in intracellular zinc content that is necessary for continued cell cycle progression, as increasing zinc levels within the, activated egg results in the reestablishment of cell cycle arrest at metaphase. The mammalian egg thus uses a zinc dependent switch mechanism to toggle between metaphase arrest and resumption of the meiotic cell cycle at the initiation of embryonic development.
C1 [Kim, Alison M.; Bernhardt, Miranda L.; Kong, Betty Y.; Woodruff, Teresa K.] Northwestern Univ, Feinberg Sch Med, Dept Obstet & Gynecol, Chicago, IL 60611 USA.
[Kim, Alison M.; Ahn, Richard W.; Woodruff, Teresa K.; O'Halloran, Thomas V.] Northwestern Univ, Chem Life Proc Inst, Evanston, IL 60208 USA.
[Ahn, Richard W.; O'Halloran, Thomas V.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Vogt, Stefan] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA.
[Woodruff, Teresa K.; O'Halloran, Thomas V.] Northwestern Univ, Dept Mol Biosci, Evanston, IL 60208 USA.
RP Woodruff, TK (reprint author), Northwestern Univ, Feinberg Sch Med, Dept Obstet & Gynecol, 250 E Super St,Suite 3-2303, Chicago, IL 60611 USA.
EM tkw@northwestern.edu; t-ohalloran@northwestern.edu
RI Kim, Alison/D-6969-2014; Vogt, Stefan/B-9547-2009; Vogt,
Stefan/J-7937-2013;
OI Kim, Alison/0000-0001-5845-1865; Vogt, Stefan/0000-0002-8034-5513; Vogt,
Stefan/0000-0002-8034-5513; Bernhardt, Miranda/0000-0001-5424-5685
FU National Institutes of Health [P01 HD021921, GM038784]; W. M. Keck
Foundation; Chicago Biomedical Consortium; Reproductive Biology Training
Grant [HD007068]; U.S. Department of Energy, Office of Science, Office
of Basic Energy Sciences [DE-AC02-06CH11357]
FX We are grateful to F. Rademaker for advice on statistical analysis. We
thank S. Kiesewetter, J. Jozefik, and D. Mackovic for rodent care and
concerns, and Primate Products, Inc. for providing all nonhuman primate
tissue. We acknowledge R. Marvin in the Quantitative Bioelement Imaging
Center in the Chemistry of Life Processes Institute at Northwestern
University for reagents and discussions regarding sample processing.
This work is supported by National Institutes of Health Grants P01
HD021921 and GM038784, the W. M. Keck Foundation Medical Research Award,
and the Chicago Biomedical Consortium SPARK Award. A.M.K. and R.W.A. are
Keck Graduate Scholars. A.M.K. and M.L.B. are fellows of the
Reproductive Biology Training Grant (HD007068). R.W.A. is a predoctoral
fellow of the CDMRP Breast Cancer Research Program National Laboratory
is supported by the U.S. Department of Energy, Office of Science, Office
of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
NR 36
TC 69
Z9 71
U1 3
U2 24
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1554-8929
J9 ACS CHEM BIOL
JI ACS Chem. Biol.
PD JUL
PY 2011
VL 6
IS 7
BP 716
EP 723
DI 10.1021/cb200084y
PG 8
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 793VB
UT WOS:000292850900007
PM 21526836
ER
PT J
AU Dimitrov, NB
Michalopoulos, DP
Morton, DP
Nehme, MV
Pan, F
Popova, E
Schneider, EA
Thoreson, GG
AF Dimitrov, Nedialko B.
Michalopoulos, Dennis P.
Morton, David P.
Nehme, Michael V.
Pan, Feng
Popova, Elmira
Schneider, Erich A.
Thoreson, Gregory G.
TI Network deployment of radiation detectors with physics-based detection
probability calculations
SO ANNALS OF OPERATIONS RESEARCH
LA English
DT Article
ID INTERDICTION
AB We describe a model for deploying radiation detectors on a transportation network consisting of two adversaries: a nuclear-material smuggler and an interdictor. The interdictor first installs the detectors. These installations are transparent to the smuggler, and are made under an uncertain threat scenario, which specifies the smuggler's origin and destination, the nature of the material being smuggled, the manner in which it is shielded, and the mechanism by which the smuggler selects a route. The interdictor's goal is to minimize the probability the smuggler evades detection. The performance of the detection equipment depends on the material being sensed, geometric attenuation, shielding, cargo and container type, background, time allotted for sensing and a number of other factors. Using a stochastic radiation transport code (MCNPX), we estimate detection probabilities for a specific set of such parameters, and inform the interdiction model with these estimates.
C1 [Dimitrov, Nedialko B.; Michalopoulos, Dennis P.; Morton, David P.; Nehme, Michael V.; Popova, Elmira; Schneider, Erich A.; Thoreson, Gregory G.] Univ Texas Austin, Austin, TX 78712 USA.
[Pan, Feng] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Morton, DP (reprint author), Univ Texas Austin, Austin, TX 78712 USA.
EM morton@mail.utexas.edu
RI Morton, David/K-2388-2014
FU National Science Foundation [CMMI-0653916, CMMI-0855577]; Defense Threat
Reduction Agency [HDTRA1-08-1-0029]; US Department of Homeland Security
[2008-DN-077-ARI001-02]
FX The authors thank two anonymous referees for helpful comments that
improved the paper. This work has been supported by the National Science
Foundation through grants CMMI-0653916 and CMMI-0855577, the Defense
Threat Reduction Agency through grant HDTRA1-08-1-0029, and the US
Department of Homeland Security under Grant Award Number
2008-DN-077-ARI001-02. The views and conclusions contained in this
document are those of the authors and should not be interpreted as
necessarily representing the official policies, either expressed or
implied, of the US Department of Homeland Security.
NR 25
TC 7
Z9 7
U1 0
U2 11
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0254-5330
J9 ANN OPER RES
JI Ann. Oper. Res.
PD JUL
PY 2011
VL 187
IS 1
BP 207
EP 228
DI 10.1007/s10479-009-0677-2
PG 22
WC Operations Research & Management Science
SC Operations Research & Management Science
GA 792KB
UT WOS:000292741900011
ER
PT J
AU Anderson, TD
Robson, SA
Jiang, XW
Malmirchegini, GR
Fierobe, HP
Lazazzera, BA
Clubb, RT
AF Anderson, Timothy D.
Robson, Scott A.
Jiang, Xiao Wen
Malmirchegini, G. Reza
Fierobe, Henri-Pierre
Lazazzera, Beth A.
Clubb, Robert T.
TI Assembly of Minicellulosomes on the Surface of Bacillus subtilis
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID THERMOCELLUM ENDOGLUCANASE CELD; EXTRACELLULAR SIGNALING PEPTIDE;
COHESIN-DOCKERIN INTERACTION; INTEGRATING PROTEIN CIPA; WALL-ASSOCIATED
PROTEASE; CLOSTRIDIUM-THERMOCELLUM; LIGNOCELLULOSIC BIOMASS;
SACCHAROMYCES-CEREVISIAE; SYNERGISTIC INTERACTION; CELLULOSE HYDROLYSIS
AB To cost-efficiently produce biofuels, new methods are needed to convert lignocellulosic biomass into fermentable sugars. One promising approach is to degrade biomass using cellulosomes, which are surface-displayed multicellulase-containing complexes present in cellulolytic Clostridium and Ruminococcus species. In this study we created cellulolytic strains of Bacillus subtilis that display one or more cellulase enzymes. Proteins containing the appropriate cell wall sorting signal are covalently anchored to the peptidoglycan by coexpressing them with the Bacillus anthracis sortase A (SrtA) transpeptidase. This approach was used to covalently attach the Cel8A endoglucanase from Clostridium thermocellum to the cell wall. In addition, a Cel8A-dockerin fusion protein was anchored on the surface of B. subtilis via noncovalent interactions with a cell wall-attached cohesin module. We also demonstrate that it is possible to assemble multienzyme complexes on the cell surface. A three-enzyme-containing minicellulosome was displayed on the cell surface; it consisted of a cell wall-attached scaffoldin protein noncovalently bound to three cellulase-dockerin fusion proteins that were produced in Escherichia coli. B. subtilis has a robust genetic system and is currently used in a wide range of industrial processes. Thus, grafting larger, more elaborate minicellulosomes onto the surface of B. subtilis may yield cellulolytic bacteria with increased potency that can be used to degrade biomass.
C1 [Anderson, Timothy D.; Jiang, Xiao Wen; Malmirchegini, G. Reza; Clubb, Robert T.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA.
[Clubb, Robert T.] Univ Calif Los Angeles, UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA.
[Lazazzera, Beth A.; Clubb, Robert T.] Univ Calif Los Angeles, Inst Mol Biol, Los Angeles, CA 90095 USA.
[Lazazzera, Beth A.] Univ Calif Los Angeles, Dept Microbiol Immunol & Mol Genet, Los Angeles, CA 90095 USA.
[Fierobe, Henri-Pierre] CNRS, Chim Bacterienne Lab, IFR88, F-13277 Marseille, France.
RP Clubb, RT (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, 611 Charles E Young Dr, Los Angeles, CA 90095 USA.
EM rclubb@mbi.ucla.edu
FU National Institutes of Health [AI52217]; Department of Energy
[DE-FC-03-87ER60615]
FX This work was supported in part by National Institutes of Health grant
AI52217 and Department of Energy grant DE-FC-03-87ER60615.
NR 72
TC 23
Z9 23
U1 0
U2 18
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 JUL
PY 2011
VL 77
IS 14
BP 4849
EP 4858
DI 10.1128/AEM.02599-10
PG 10
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 789IZ
UT WOS:000292510400017
PM 21622797
ER
PT J
AU Van Nostrand, JD
Wu, LY
Wu, WM
Huang, ZJ
Gentry, TJ
Deng, Y
Carley, J
Carroll, S
He, ZL
Gu, BH
Luo, J
Criddle, CS
Watson, DB
Jardine, PM
Marsh, TL
Tiedje, JM
Hazen, TC
Zhou, JZ
AF Van Nostrand, Joy D.
Wu, Liyou
Wu, Wei-Min
Huang, Zhijian
Gentry, Terry J.
Deng, Ye
Carley, Jack
Carroll, Sue
He, Zhili
Gu, Baohua
Luo, Jian
Criddle, Craig S.
Watson, David B.
Jardine, Philip M.
Marsh, Terence L.
Tiedje, James M.
Hazen, Terry C.
Zhou, Jizhong
TI Dynamics of Microbial Community Composition and Function during In Situ
Bioremediation of a Uranium-Contaminated Aquifer (vol 77, pg 3860, 2011)
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Correction
C1 [Van Nostrand, Joy D.] Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA.
Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA.
Virtual Inst Microbial Stress & Survival, Stanford, CA USA.
Stanford Univ, Dept Civil & Environm Engn, Stanford, CA 94305 USA.
Texas A&M Univ, Dept Soil & Crop Sci, College Stn, TX 77843 USA.
Sun Yat Sen Univ, State Key Lab Biocontrol, Sch Marine Sci, Sch Life Sci, Guangzhou 510275, Guangdong, Peoples R China.
Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
Georgia Inst Technol, Dept Civil & Environm Engn, Atlanta, GA 30332 USA.
Michigan State Univ, Ctr Microbial Ecol, E Lansing, MI 48824 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Wu, LY (reprint author), Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA.
EM lwu@rccc.ou.edu
RI Gu, Baohua/B-9511-2012; Watson, David/C-3256-2016; Van Nostrand,
Joy/F-1740-2016; Hazen, Terry/C-1076-2012
OI Gu, Baohua/0000-0002-7299-2956; Watson, David/0000-0002-4972-4136; Van
Nostrand, Joy/0000-0001-9548-6450; Hazen, Terry/0000-0002-2536-9993
NR 1
TC 3
Z9 3
U1 1
U2 12
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 JUL
PY 2011
VL 77
IS 14
BP 5063
EP 5063
DI 10.1128/AEM.05726-11
PG 1
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 789IZ
UT WOS:000292510400046
ER
PT J
AU Miniati, F
Martin, DF
AF Miniati, Francesco
Martin, Daniel F.
TI CONSTRAINED-TRANSPORT MAGNETOHYDRODYNAMICS WITH ADAPTIVE MESH REFINEMENT
IN CHARM
SO ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
LA English
DT Article
DE cosmology: theory; magnetohydrodynamics (MHD); methods: numerical
ID HYPERBOLIC CONSERVATION-LAWS; DIVERGENCE-FREE CONDITION; UNSPLIT GODUNOV
METHOD; IDEAL MAGNETOHYDRODYNAMICS; INTERSTELLAR CLOUDS;
MAGNETIC-FIELDS; MULTIDIMENSIONAL MAGNETOHYDRODYNAMICS; NUMERICAL
SIMULATIONS; COSMIC-RAY; MHD
AB We present the implementation of a three-dimensional, second-order accurate Godunov-type algorithm for magnetohydrodynamics (MHD) in the adaptive-mesh-refinement (AMR) cosmological code CHARM. The algorithm is based on the full 12-solve spatially unsplit corner-transport-upwind (CTU) scheme. The fluid quantities are cell-centered and are updated using the piecewise-parabolic method (PPM), while the magnetic field variables are face-centered and are evolved through application of the Stokes theorem on cell edges via a constrained-transport (CT) method. The so-called multidimensional MHD source terms required in the predictor step for high-order accuracy are applied in a simplified form which reduces their complexity in three dimensions without loss of accuracy or robustness. The algorithm is implemented on an AMR framework which requires specific synchronization steps across refinement levels. These include face-centered restriction and prolongation operations and a reflux-curl operation, which maintains a solenoidal magnetic field across refinement boundaries. The code is tested against a large suite of test problems, including convergence tests in smooth flows, shock-tube tests, classical two-and three-dimensional MHD tests, a three-dimensional shock-cloud interaction problem, and the formation of a cluster of galaxies in a fully cosmological context. The magnetic field divergence is shown to remain negligible throughout.
C1 [Miniati, Francesco] ETH, Dept Phys, CH-8093 Zurich, Switzerland.
[Martin, Daniel F.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Miniati, F (reprint author), ETH, Dept Phys, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland.
EM fm@phys.ethz.ch; DFMartin@lbl.gov
FU Office of Science, Office of Advanced Scientific Computing Research, of
the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Director, Office of Science, Office of
Advanced Scientific Computing Research, of the U.S. Department of Energy
under Contract No. DE-AC02-05CH11231.
NR 68
TC 21
Z9 21
U1 0
U2 4
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 JUL
PY 2011
VL 195
IS 1
AR 5
DI 10.1088/0067-0049/195/1/5
PG 21
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 790LT
UT WOS:000292590200005
ER
PT J
AU Sakamoto, T
Barthelmy, SD
Baumgartner, WH
Cummings, JR
Fenimore, EE
Gehrels, N
Krimm, HA
Markwardt, CB
Palmer, DM
Parsons, AM
Sato, G
Stamatikos, M
Tueller, J
Ukwatta, TN
Zhang, B
AF Sakamoto, T.
Barthelmy, S. D.
Baumgartner, W. H.
Cummings, J. R.
Fenimore, E. E.
Gehrels, N.
Krimm, H. A.
Markwardt, C. B.
Palmer, D. M.
Parsons, A. M.
Sato, G.
Stamatikos, M.
Tueller, J.
Ukwatta, T. N.
Zhang, B.
TI THE SECOND SWIFT BURST ALERT TELESCOPE GAMMA-RAY BURST CATALOG
SO ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
LA English
DT Article
DE gamma-ray burst: general
ID IN-FLIGHT PERFORMANCE; HARD X-RAY; COMPLETE SAMPLE; STAR-FORMATION; HOST
GALAXIES; REDSHIFT; AFTERGLOWS; ENERGY; SPECTRA; GRB
AB We present the second Swift Burst Alert Telescope (BAT) catalog of gamma-ray bursts (GRBs), which contains 476 bursts detected by the BAT between 2004 December 19 and 2009 December 21. This catalog (hereafter the BAT2 catalog) presents burst trigger time, location, 90% error radius, duration, fluence, peak flux, time-averaged spectral parameters, and time-resolved spectral parameters measured by the BAT. In the correlation study of various observed parameters extracted from the BAT prompt emission data, we distinguish among long-duration GRBs (L-GRBs), short-duration GRBs (S-GRBs), and short-duration GRBs with extended emission (S-GRBs with E. E.) to investigate differences in the prompt emission properties. The fraction of L-GRBs, S-GRBs, and S-GRBs with E. E. in the catalog are 89%, 8%, and 2%, respectively. We compare the BAT prompt emission properties with the BATSE, BeppoSAX, and HETE-2 GRB samples. We also correlate the observed prompt emission properties with the redshifts for the GRBs with known redshift. The BAT T-90 and T-50 durations peak at 70 s and 30 s, respectively. We confirm that the spectra of the BAT S-GRBs are generally harder than those of the L-GRBs. The time-averaged spectra of the BAT S-GRBs with E. E. are similar to those of the L-GRBs. Whereas, the spectra of the initial short spikes of the S-GRBs with E. E. are similar to those of the S-GRBs. We show that the BAT GRB samples are significantly softer than the BATSE bright GRBs and that the time-averaged E-peak(obs) of the BAT GRBs peaks at 80 keV, which is significantly lower energy than those of the BATSE sample, which peak at 320 keV. The time-averaged spectral properties of the BAT GRB sample are similar to those of the HETE-2 GRB samples. By time-resolved spectral analysis, we find that only 10% of the BAT observed photon indices are outside the allowed region of the synchrotron shock model. We see no obvious observed trend in the BAT T-90 and the observed spectra with redshifts. The T-90 and T-50 distributions measured at the 140-220 keV band in the GRB rest frame from the BAT known redshift GRBs peak at 19 s and 8 s, respectively. We also provide an update on the status of the on-orbit BAT calibrations.
C1 [Sakamoto, T.; Baumgartner, W. H.; Cummings, J. R.; Krimm, H. A.] NASA, Goddard Space Flight Ctr, CRESST, Greenbelt, MD 20771 USA.
[Sakamoto, T.; Baumgartner, W. H.; Cummings, J. R.] Univ Maryland Baltimore Cty, Joint Ctr Astrophys, Baltimore, MD 21250 USA.
[Fenimore, E. E.; Palmer, D. M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Krimm, H. A.] Univ Space Res Assoc, Columbia, MD 21044 USA.
[Sato, G.] JAXA, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan.
[Stamatikos, M.] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Dept Phys, Columbus, OH 43210 USA.
[Ukwatta, T. N.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Zhang, B.] Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA.
RP Sakamoto, T (reprint author), NASA, Goddard Space Flight Ctr, CRESST, Greenbelt, MD 20771 USA.
RI Barthelmy, Scott/D-2943-2012; Gehrels, Neil/D-2971-2012; Tueller,
Jack/D-5334-2012; Parsons, Ann/I-6604-2012
NR 53
TC 119
Z9 119
U1 0
U2 6
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 JUL
PY 2011
VL 195
IS 1
AR 2
DI 10.1088/0067-0049/195/1/2
PG 27
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 790LT
UT WOS:000292590200002
ER
PT J
AU Woodring, J
Heitmann, K
Ahrens, J
Fasel, P
Hsu, CH
Habib, S
Pope, A
AF Woodring, Jonathan
Heitmann, Katrin
Ahrens, James
Fasel, Patricia
Hsu, Chung-Hsing
Habib, Salman
Pope, Adrian
TI ANALYZING AND VISUALIZING COSMOLOGICAL SIMULATIONS WITH ParaView
SO ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
LA English
DT Article
DE large-scale structure of universe; methods: numerical
ID MATTER POWER SPECTRUM; PRECISION DETERMINATION; MASS FUNCTION; HALOS;
UNIVERSE; CODE
AB The advent of large cosmological sky surveys-ushering in the era of precision cosmology-has been accompanied by ever larger cosmological simulations. The analysis of these simulations, which currently encompass tens of billions of particles and up to a trillion particles in the near future, is often as daunting as carrying out the simulations in the first place. Therefore, the development of very efficient analysis tools combining qualitative and quantitative capabilities is a matter of some urgency. In this paper, we introduce new analysis features implemented within ParaView, a fully parallel, open-source visualization toolkit, to analyze large N-body simulations. A major aspect of ParaView is that it can live and operate on the same machines and utilize the same parallel power as the simulation codes themselves. In addition, data movement is in a serious bottleneck now and will become even more of an issue in the future; an interactive visualization and analysis tool that can handle data in situ is fast becoming essential. The new features in ParaView include particle readers and a very efficient halo finder that identifies friends-of-friends halos and determines common halo properties, including spherical overdensity properties. In combination with many other functionalities already existing within ParaView, such as histogram routines or interfaces to programming languages like Python, this enhanced version enables fast, interactive, and convenient analyses of large cosmological simulations. In addition, development paths are available for future extensions.
C1 [Woodring, Jonathan; Ahrens, James] Los Alamos Natl Lab, CCS 7, CCS Div, Los Alamos, NM 87545 USA.
[Heitmann, Katrin; Pope, Adrian] Los Alamos Natl Lab, ISR 1, ISR Div, Los Alamos, NM 87545 USA.
[Fasel, Patricia] Los Alamos Natl Lab, CCS 3, CCS Div, Los Alamos, NM 87545 USA.
[Hsu, Chung-Hsing] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Habib, Salman; Pope, Adrian] Los Alamos Natl Lab, T 2, Div Theoret, Los Alamos, NM 87545 USA.
RP Woodring, J (reprint author), Los Alamos Natl Lab, CCS 7, CCS Div, POB 1663, Los Alamos, NM 87545 USA.
FU DOE [W-7405-ENG-36]; Los Alamos National Laboratory
FX A special acknowledgment is due for supercomputing time awarded to us
under the LANL Institutional Computing Initiative. Part of this research
was supported by the DOE under contract W-7405-ENG-36. The authors
acknowledge support from the LDRD program at Los Alamos National
Laboratory. We are grateful for P. McCormick's contributions and
comments on in situ visualization and GPUs.
NR 31
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Z9 7
U1 0
U2 7
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 JUL
PY 2011
VL 195
IS 1
AR 11
DI 10.1088/0067-0049/195/1/11
PG 12
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 790LT
UT WOS:000292590200011
ER
PT J
AU Satheesh, SK
Vinoj, V
Moorthy, KK
AF Satheesh, S. K.
Vinoj, V.
Moorthy, K. Krishna
TI Weekly periodicities of aerosol properties observed at an urban location
in India
SO ATMOSPHERIC RESEARCH
LA English
DT Article
DE Aerosols; Anthropogenic effects; Black carbon; Optical depth
ID AIR-POLLUTION; LIGHT-SCATTERING; BLACK CARBON; WEEKLY CYCLE; ABSORPTION;
MORTALITY; REGION; SIZE; MASS
AB Multi-year (similar to 7 years) observations of aerosol optical and microphysical properties were conducted at a tropical urban location in Bangalore, India. As a consequence of rapid urbanization, Bangalore presents high local atmospheric emissions, which makes it an interesting site to study the effect of anthropogenic activities on aerosol properties. It has been found that both column (aerosol optical depth, AOD) and ground-level measurements (black carbon (BC) and composite aerosol mass) exhibit a weekly cycle with low aerosol concentrations on weekends. In comparison to the weekdays, the weekend reductions of aerosol optical depth, black carbon and composite aerosol mass concentrations were similar to 15%, 25% and 24%, respectively. The magnitude of weekend reduction of black carbon is as much as similar to 1 mu g m(-3). The similarity in the weekly cycle between the column and surface measurements suggests that the aerosol column loading at this location is governed by local anthropogenic emissions. The strongest weekly cycle in composite aerosol mass concentration was observed in the super micron mass range (>1 mu m). The weekly cycle of composite aerosol mass in the sub micron mass range (<1 mu m) was weak in comparison to the super micron aerosol mass. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Satheesh, S. K.; Vinoj, V.] Indian Inst Sci, Ctr Atmospher & Ocean Sci, Bangalore 560012, Karnataka, India.
[Satheesh, S. K.] Indian Inst Sci, Divecha Ctr Climate Change, Bangalore 560012, Karnataka, India.
[Vinoj, V.] Pacific NW Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA.
[Moorthy, K. Krishna] Vikram Sarabhai Space Ctr, Space Phys Lab, Thiruvananthapuram 695022, Kerala, India.
RP Satheesh, SK (reprint author), Indian Inst Sci, Ctr Atmospher & Ocean Sci, Bangalore 560012, Karnataka, India.
EM satheesh@caos.iisc.ernet.in
RI Vinoj, V./C-3241-2008
OI Moorthy, K. Krishna/0000-0002-7234-3868; Vinoj, V./0000-0001-8573-6073
FU ISRO; DST, New Delhi
FX Authors thank the ISRO - Geosphere Biosphere Program for supporting this
work. One of the authors (SKS) thanks DST, New Delhi for Swarna Jayanti
Fellowship.
NR 36
TC 13
Z9 13
U1 0
U2 5
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0169-8095
J9 ATMOS RES
JI Atmos. Res.
PD JUL
PY 2011
VL 101
IS 1-2
BP 307
EP 313
DI 10.1016/j.atmosres.2011.03.003
PG 7
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 790WD
UT WOS:000292620500025
ER
PT J
AU Gonzalez, RM
Daly, DS
Tan, RM
Marks, JR
Zangar, RC
AF Gonzalez, Rachel M.
Daly, Don S.
Tan, Ruimin
Marks, Jeffrey R.
Zangar, Richard C.
TI Plasma Biomarker Profiles Differ Depending on Breast Cancer Subtype but
RANTES Is Consistently Increased
SO CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION
LA English
DT Article
ID GENE-EXPRESSION PATTERNS; MOLECULAR SUBTYPES; TUMOR SUBTYPES;
CELL-LINES; MAMMOGRAPHY; ESTROGEN; FEATURES; LIGANDS; PERFORMANCE;
MICROARRAYS
AB Background: Current biomarkers for breast cancer have little potential for detection. We determined whether breast cancer subtypes influence circulating protein biomarkers.
Methods: A sandwich ELISA microarray platform was used to evaluate 23 candidate biomarkers in plasma samples that were obtained from subjects with either benign breast disease or invasive breast cancer. All plasma samples were collected at the time of biopsy, after a referral due to a suspicious screen (e. g., mammography). Cancer samples were evaluated on the basis of breast cancer subtypes, as defined by the HER2 and estrogen receptor statuses.
Results: Ten proteins were statistically altered in at least one breast cancer subtype, including four epidermal growth factor receptor ligands, two matrix metalloproteases, two cytokines, and two angiogenic factors. Only one cytokine, RANTES, was significantly increased (P < 0.01 for each analysis) in all four subtypes, with areas under the curve (AUC) for receiver operating characteristic values that ranged from 0.76 to 0.82, depending on cancer subtype. The best AUC values were observed for analyses that combined data from multiple biomarkers, with values ranging from 0.70 to 0.99, depending on the cancer subtype. Although the results for RANTES are consistent with previous publications, the multi-assay results need to be validated in independent sample sets.
Conclusions: Different breast cancer subtypes produce distinct biomarker profiles, and circulating protein biomarkers have potential to differentiate between true-and false-positive screens for breast cancer.
Impact: Subtype-specific biomarker panels may be useful for detecting breast cancer or as an adjunct assay to improve the accuracy of current screening methods. Cancer Epidemiol Biomarkers Prev; 20(7); 1543-51. (C) 2011 AACR.
C1 [Gonzalez, Rachel M.; Daly, Don S.; Tan, Ruimin; Zangar, Richard C.] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Marks, Jeffrey R.] Duke Univ, Durham, NC USA.
RP Zangar, RC (reprint author), Pacific NW Natl Lab, 790 6th St, Richland, WA 99354 USA.
EM richard.zangar@pnl.gov
FU National Cancer Institute Early Detection Research Network [CA117378,
CA084955]
FX This work was funded by National Cancer Institute Early Detection
Research Network grants CA117378 and CA084955.
NR 40
TC 13
Z9 14
U1 0
U2 4
PU AMER ASSOC CANCER RESEARCH
PI PHILADELPHIA
PA 615 CHESTNUT ST, 17TH FLOOR, PHILADELPHIA, PA 19106-4404 USA
SN 1055-9965
J9 CANCER EPIDEM BIOMAR
JI Cancer Epidemiol. Biomarkers Prev.
PD JUL
PY 2011
VL 20
IS 7
BP 1543
EP 1551
DI 10.1158/1055-9965.EPI-10-1248
PG 9
WC Oncology; Public, Environmental & Occupational Health
SC Oncology; Public, Environmental & Occupational Health
GA 789FK
UT WOS:000292499700031
PM 21586622
ER
PT J
AU Tritsaris, GA
Greeley, J
Rossmeisl, J
Norskov, JK
AF Tritsaris, G. A.
Greeley, J.
Rossmeisl, J.
Norskov, J. K.
TI Atomic-Scale Modeling of Particle Size Effects for the Oxygen Reduction
Reaction on Pt
SO CATALYSIS LETTERS
LA English
DT Article
DE Electrocatalysis; Nanoparticles; DFT; Particle size effect; Oxygen
electroreduction; Platinum
ID ACTIVE-SITES; CATALYSTS; NANOPARTICLES; SURFACES; TRENDS
AB We estimate the activity of the oxygen reduction reaction on platinum nanoparticles of sizes of practical importance. The proposed model explicitly accounts for surface irregularities and their effect on the activity of neighboring sites. The model reproduces the experimentally observed trends in both the specific and mass activities for particle sizes in the range between 2 and 30 nm. The mass activity is calculated to be maximized for particles of a diameter between 2 and 4 nm. Our study demonstrates how an atomic-scale description of the surface microstructure is a key component in understanding particle size effects on the activity of catalytic nanoparticles.
C1 [Tritsaris, G. A.; Rossmeisl, J.] Tech Univ Denmark, Dept Phys, Ctr Atom Scale Mat Design, DK-2800 Lyngby, Denmark.
[Tritsaris, G. A.; Norskov, J. K.] SLAC Natl Accelerator Lab, Ctr Interface Sci & Catalysis, Menlo Pk, CA 94025 USA.
[Greeley, J.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Norskov, J. K.] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA.
RP Tritsaris, GA (reprint author), Tech Univ Denmark, Dept Phys, Ctr Atom Scale Mat Design, DK-2800 Lyngby, Denmark.
EM getri@fysik.dtu.dk
RI Rossmeisl, Jan/A-5714-2011; Norskov, Jens/D-2539-2017
OI Rossmeisl, Jan/0000-0001-7749-6567; Norskov, Jens/0000-0002-4427-7728
FU Lundbeck Foundation; Danish Center for Scientific Computing; U.S.
Department of Energy, Office of Basic Energy Sciences
[DE-AC02-06CH11357]
FX CAMD is funded by the Lundbeck Foundation. This work was supported by
the Danish Center for Scientific Computing. Work at the Center for
Nanoscale Materials at Argonne was supported by the U.S. Department of
Energy, Office of Basic Energy Sciences, under contract No.
DE-AC02-06CH11357.
NR 27
TC 98
Z9 98
U1 8
U2 119
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1011-372X
J9 CATAL LETT
JI Catal. Lett.
PD JUL
PY 2011
VL 141
IS 7
BP 909
EP 913
DI 10.1007/s10562-011-0637-8
PG 5
WC Chemistry, Physical
SC Chemistry
GA 791GF
UT WOS:000292652300001
ER
PT J
AU Alayoglu, S
Aliaga, C
Sprung, C
Somorjai, GA
AF Alayoglu, S.
Aliaga, C.
Sprung, C.
Somorjai, G. A.
TI Size and Shape Dependence on Pt Nanoparticles for the
Methylcyclopentane/Hydrogen Ring Opening/Ring Enlargement Reaction
SO CATALYSIS LETTERS
LA English
DT Article
DE Platinum; Methylcyclopentane hydrogenation; Ethylene/hydrogen probing by
sum frequency generation vibrational spectroscopy; Shape-controlled
nanoparticles; High-resolution electron microscopy; Microscopy;
Spectroscopy and general characterisation; Colloidal synthesis;
Preparation and materials
ID SUM-FREQUENCY GENERATION; METAL-SUPPORT INTERACTIONS; SINGLE-CRYSTAL
SURFACES; PARTICLE-SIZE; VIBRATIONAL SPECTROSCOPY; PLATINUM
NANOPARTICLES; ETHYLENE HYDROGENATION; PYRROLE HYDROGENATION; STRUCTURE
SENSITIVITY; ELECTRON-MICROSCOPY
AB Monodisperse Pt nanoparticles (NPs) with well-controlled sizes in the range between 1.5 and 10.8 nm, and shapes of octahedron, cube, truncated octahedron and spheres (similar to 6 nm) were synthesized employing the polyol reduction strategy with polyvinylpyrrolidone (PVP) as the capping agent. We characterized the as-synthesized Pt nanoparticles using transmission electron microscopy (TEM), high resolution TEM, sum frequency generation vibrational spectroscopy (SFGVS) using ethylene/H(2) reaction as the surface probe, and the catalytic ethylene/H(2) reaction by means of measuring surface concentration of Pt. The nanoparticles were supported in mesoporous silica (SBA-15 or MCF-17), and their catalytic reactivity was evaluated for the methylcyclopentane (MCP)/H(2) ring opening/ring enlargement reaction using 10 torr MCP and 50 torr H(2) at temperatures between 160 and 300 A degrees C. We found a strong correlation between the particle shape and the catalytic activity and product distribution for the MCP/H(2) reaction on Pt. At temperatures below 240 A degrees C, 6.3 nm Pt octahedra yielded hexane, 6.2 nm Pt truncated octahedra and 5.2 nm Pt spheres produced 2-methylpentane. In contrast, 6.8 nm Pt cubes led to the formation of cracking products (i.e. C(1)-C(5)) under similar conditions. We also detected a weak size dependence of the catalytic activity and selectivity for the MCP/H(2) reaction on Pt. 1.5 nm Pt particles produced 2-methylpentane for the whole temperature range studied and the larger Pt NPs produced mainly benzene at temperatures above 240 A degrees C.
C1 [Alayoglu, S.; Aliaga, C.; Sprung, C.; Somorjai, G. A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Alayoglu, S.; Aliaga, C.; Sprung, C.; Somorjai, G. A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Somorjai, GA (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM somorjai@berkeley.edu
FU Office of Science, Department of Energy; U.S. Department of Energy
[DE-AC02-05CH11231]; Office of Science, Office of Basic Energy Sciences,
Division of Material Sciences and Engineering, of the U.S. Department of
Energy [DE-AC02-05CH11231]
FX This work is funded by Office of Science, Department of Energy. The
authors acknowledge support of the National Center for Electron
Microscopy, Lawrence Berkeley Lab, which is supported by the U.S.
Department of Energy under Contract # DE-AC02-05CH11231. Work at the
Molecular Foundry was supported by the Director, Office of Science,
Office of Basic Energy Sciences, Division of Material Sciences and
Engineering, of the U.S. Department of Energy under Contract #
DE-AC02-05CH11231.
NR 32
TC 51
Z9 51
U1 3
U2 79
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1011-372X
J9 CATAL LETT
JI Catal. Lett.
PD JUL
PY 2011
VL 141
IS 7
BP 914
EP 924
DI 10.1007/s10562-011-0647-6
PG 11
WC Chemistry, Physical
SC Chemistry
GA 791GF
UT WOS:000292652300002
ER
PT J
AU Cronauer, DC
Jacobs, G
Linganiso, L
Kropf, AJ
Elam, JW
Christensen, ST
Marshall, CL
Davis, BH
AF Cronauer, Donald C.
Jacobs, Gary
Linganiso, Linda
Kropf, A. Jeremy
Elam, Jeffrey W.
Christensen, Steven T.
Marshall, Christopher L.
Davis, Burtron H.
TI CO Hydrogenation: Exploring Iridium as a Promoter for Supported Cobalt
Catalysts by TPR-EXAFS/XANES and Reaction Testing
SO CATALYSIS LETTERS
LA English
DT Article
DE Cobalt; Iridium; Alumina; Incipient wetness impregnation; Atomic layer
deposition; TPR; EXAFS; XANES
ID FISCHER-TROPSCH SYNTHESIS; RAY-ABSORPTION SPECTROSCOPY; IN-SITU EXAFS;
L-III EDGES; CO/AL2O3 CATALYSTS; REDUCTION PROPERTY; XPS; REDUCIBILITY
AB The price of iridium currently trends at about half the cost of platinum, the latter being a typical reduction promoter for Co/Al(2)O(3) Fischer-Tropsch (FT) synthesis catalysts in gas-to-liquids (GTL) technology. In the current contribution, both fixed-bed catalytic FT and TPR-EXAFS/XANES experiments were carried out over 0.1% iridium-doped 25% Co/Al(2)O(3) catalysts in order to (1) assess the effectiveness of Ir as a promoter of cobalt oxide reduction and (2) evaluate the effectiveness of the incipient wetness impregnation (IWI) technique for adding the Ir precursor by comparing a catalyst prepared by IWI to one prepared by atomic layer deposition (ALD). Ir was demonstrated to be an effective promoter for facilitating the second step of cobalt oxide reduction, CoO to Co(0), and the IWI method was found to be superior to ALD.
C1 [Jacobs, Gary; Linganiso, Linda; Davis, Burtron H.] Univ Kentucky, Ctr Appl Energy Res, Lexington, KY 40511 USA.
[Cronauer, Donald C.; Kropf, A. Jeremy; Elam, Jeffrey W.; Christensen, Steven T.; Marshall, Christopher L.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Davis, BH (reprint author), Univ Kentucky, Ctr Appl Energy Res, 2540 Res Pk Dr, Lexington, KY 40511 USA.
EM burtron.davis@uky.edu
RI ID, MRCAT/G-7586-2011; Marshall, Christopher/D-1493-2015; Jacobs,
Gary/M-5349-2015
OI Marshall, Christopher/0000-0002-1285-7648; Jacobs,
Gary/0000-0003-0691-6717
FU NASA [NNX07AB93A]; Commonwealth of Kentucky; U.S. Department of Energy
(DOE), Office of Fossil Energy, National Energy Technology Laboratory
(NETL) [AA-10-15, 49261-00-107]; U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; Department
of Energy; MRCAT
FX The work carried out at the CAER was supported in part by funding from a
grant from NASA (#NNX07AB93A), as well as the Commonwealth of Kentucky.
Argonne's research was supported in part by the U.S. Department of
Energy (DOE), Office of Fossil Energy, National Energy Technology
Laboratory (NETL) under Project AA-10-15; 49261-00-107. The 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. MRCAT operations are supported by the Department of
Energy and the MRCAT member institutions.
NR 23
TC 17
Z9 17
U1 1
U2 51
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1011-372X
J9 CATAL LETT
JI Catal. Lett.
PD JUL
PY 2011
VL 141
IS 7
BP 968
EP 976
DI 10.1007/s10562-011-0620-4
PG 9
WC Chemistry, Physical
SC Chemistry
GA 791GF
UT WOS:000292652300009
ER
PT J
AU Congdon, JD
Pappas, M
Brecke, B
Capps, J
AF Congdon, Justin D.
Pappas, Michael
Brecke, Bruce
Capps, Joshua
TI Conservation Implications of Initial Orientation of Naive Hatchling
Snapping Turtles (Chelydra serpentina) and Painted Turtles (Chrysemys
picta belli) Dispersing From Experimental Nests
SO CHELONIAN CONSERVATION AND BIOLOGY
LA English
DT Article
DE Reptilia; Testudines, Chelydridae; Emydidae; Chelydra serpentina;
Chrysemys picta belli; dispersal from nests; naive hatchlings;
orientation; turtle; Minnesota, USA
ID DEPENDENT SEX DETERMINATION; SITE SELECTION; BODY-SIZE;
KINOSTERNON-FLAVESCENS; HATCHING SUCCESS; SURVIVAL; BEHAVIOR; MOVEMENTS;
OVIPOSITION; HYPOTHESIS
AB We examined the orientation of 76 naive painted turtles (Chrysemys picta belli) and 746 snapping turtles (Chelydra serpentina) during initial dispersal from experimental nests in the Weaver Dunes area of southeastern Minnesota. We conducted 15 releases into large circular arenas in 4 natural nesting areas and 2 atypical areas. Hatchling orientation and dispersal for both species were 1) all nonrandom, 2) appeared to be based on vision (i.e., nonpolarized light), and 3) toward nearby, open, and highly illuminated horizons, regardless of whether or not they were associated with the wetlands. A first-order estimate of hatchling snapping turtle perception distance was 55-90 m. We found no evidence that suggests that specular light from the wetlands, olfaction, or humidity gradients were important in orientation. At 2 of 3 locations, substantial changes in orientation direction occurred when hatchling snapping turtles were released in morning vs. late afternoon. Changes in dispersal directions in the morning and afternoon indicated that hatchlings were not orienting toward the sun per se but toward different highly illuminated nearby prairie areas. At one site, hatchling orientation in the afternoon (but not in the morning) was toward a nearby wetland and was consistent with either dispersal toward highly illuminated near horizon or with the perception and use of reflected polarized light from the wetland. Collectively, the results from our study also indicate that 1) hatchlings disperse toward open horizons rather than toward wetlands themselves (i.e., open areas that are not necessarily associated with wetlands), 2) dispersal direction is influenced by time of day, apparently because of changes in the degree of illumination of different horizons, and 3) far horizons apparently were not used because they were beyond the perception distance of hatchlings. The most parsimonious evolutionary explanation of solutions to orientation problems is that, for each species, both adults and hatchlings have similar perception distances and use the same sensory modes and types of environmental cues during terrestrial movements. Comprehensive conservation and management plans for aquatic turtles should include consideration of how habitat changes in nesting areas might alter the environmental cues that determine the initial orientation and successful dispersal of hatchlings. We compared the results from this study with the dispersal patterns of naive hatchling Blanding's turtles (Emydoidea blandingii) that emerge from nests located much farther from wetlands.
C1 [Congdon, Justin D.] Savannah River Ecol Lab, Aiken, SC 29802 USA.
[Congdon, Justin D.] Bar Boot Ranch, Douglas, AZ 85608 USA.
[Pappas, Michael] Michaels Restaurant, Rochester, MN 55904 USA.
[Capps, Joshua] Alterra Environm Inc, Santa Cruz, CA 95060 USA.
RP Congdon, JD (reprint author), Savannah River Ecol Lab, Aiken, SC 29802 USA.
EM congdon@vtc.net; michael@michaelsfinedining.com; breckeopod@msn.com;
cappszilla@hotmail.com
FU Office of Biological and Environmental Research, US Department of Energy
[DE-FC09-96SR18546]; Savannah River Ecology Laboratory
FX Nancy Dickson, Richard van Loben Sels, Steve Freedberg, Carolina Pappas,
and students from St Olaf's College helped with field work. Larry Gusa,
Allison, Alyssa, and Michael Pappas II, and John Schmoker assisted in
the collection and incubation of eggs and construction of arenas. Janet
Hostetter helped with field work and photography, and Larry Gates helped
with identification of the flora of the riparian and upland forests. Dr
Jay McLaren (Mayo Clinic, Rochester, MN) reviewed the paper and helped
us understand polarized light. The study was conducted under permits
from Bonita Eliason, Richard Baker, Jaime Edwards, Nick Gulden, and Don
Ramsden of the Minnesota Department of Natural Resources (Permits 10079,
11604, 13808, and 15422); Robert Dreislin, Eric Nelson, and Mary
Stefanski of the US Fish and Wildlife Service (Permits 32574, 06001, and
08007); and Meredith Cornett and Rich Biske of The Nature Conservancy
(Permit 2007-17R). Special thanks to landowners Ray and Evie Brueske of
Mallard Seed and Mary Burmeister for access to their land. Research and
manuscript preparation were aided by the Office of Biological and
Environmental Research, US Department of Energy through Financial
Assistant Award No. DE-FC09-96SR18546 to the University of Georgia
Research Foundation and by the Savannah River Ecology Laboratory.
Improvements of earlier drafts of the manuscript are the results of
comments from N. Dickson, S. Freedberg, J. Hostetter, T. Jenssen, R. van
Loben Sels, L. Vitt, and R. Vogt. Reviews by K. Buhlmann and J. Harding
greatly improved presentation of the results.
NR 62
TC 11
Z9 11
U1 6
U2 34
PU CHELONIAN RESEARCH FOUNDATION
PI LUNENBURG
PA 168 GOODRICH ST., LUNENBURG, MA USA
SN 1071-8443
J9 CHELONIAN CONSERV BI
JI Chelonian Conserv. Biol.
PD JUL
PY 2011
VL 10
IS 1
BP 42
EP 53
PG 12
WC Zoology
SC Zoology
GA 791BP
UT WOS:000292635400007
ER
PT J
AU DeGregorio, BA
Williard, AS
AF DeGregorio, Brett A.
Williard, Amanda Southwood
TI Incubation Temperatures and Metabolic Heating of Relocated and In Situ
Loggerhead Sea Turtle (Caretta caretta) Nests at a Northern Rookery
SO CHELONIAN CONSERVATION AND BIOLOGY
LA English
DT Article
DE Reptilia; Testudines; Cheloniidae; Caretta caretta; loggerhead turtle;
nest relocation; thermal buffering; temperature sex determination; North
Carolina; climate change
ID DERMOCHELYS-CORIACEA; CHELONIA-MYDAS; CLIMATE-CHANGE;
SEXUAL-DIFFERENTIATION; PIVOTAL TEMPERATURES; LEATHERBACK TURTLES; GREEN
TURTLES; RATIOS; CONSERVATION; HATCHLINGS
AB Miniature temperature loggers were used to better understand the incubation temperatures, patterns in metabolic heating, and potential implications for sex determination of relocated and in situ loggerhead sea turtle clutches near the northern extent of their nesting range. All sea turtles display temperature-dependent sex determination, with cooler nests producing males and warmer nests producing females. Analysis of the factors that affect incubation temperatures provides insight into variation in hatchling sex ratios over temporal and spatial scales and may help to guide management measures for the imperiled loggerhead sea turtle. Although no temperature difference was detected between relocated and in situ clutches during the thermal sensitive period, relocated nests hatched more quickly and incubated at warmer temperatures than in situ clutches for the entire incubation period. Metabolic heating was apparent in all clutches, beginning during the middle third of incubation, with the greatest gradient between nest temperature and surrounding sand temperatures ((x) over bar = 1.5 +/- 0.05 degrees C) that occur during the final third of incubation. The magnitude of metabolic heating was not different between relocated and in situ clutches. Diel temperature fluctuations within nests were significantly less pronounced than in adjacent sand, which implies a degree of thermal buffering within the nest chamber. During the thermosensitive period, all nests incubated at a mean temperature above that of the estimated pivotal temperature (29.2 degrees C), which implies a strongly female-biased hatchling sex ratio during the portion of the nesting season monitored. Potential impacts on incubation temperature and resultant sex ratios should be considered and explored on a beach-by-beach basis before adopting nest relocation as a conservation measure.
C1 [DeGregorio, Brett A.] Savannah River Ecol Lab, Aiken, SC 29801 USA.
[Williard, Amanda Southwood] Univ N Carolina, Dept Biol & Marine Biol, Wilmington, NC 28403 USA.
RP DeGregorio, BA (reprint author), Savannah River Ecol Lab, Aiken, SC 29801 USA.
EM Baretta66@hotmail.com; Southwooda@uncw.edu
FU US Department of Energy [DE-AC09-76SROO-819]; University of Georgia's
Savannah River Ecology Laboratory [DE-AC09-76SROO-819]
FX Thanks to the Bald Head Island Conservancy for help in all aspects of
this study. Matthew Godfrey contributed invaluable advice. We thank
Leigh Anne Harden and Justin Henningsen for their diligent editing. Roy
Arrezo, Eric Nordberg, Jacob Hill, Jen Schoonmaker, Meredith Atwood,
Meredith Wilson, and Anna Frankle provided help in the field. Manuscript
preparation was aided by Contract DE-AC09-76SROO-819 between the US
Department of Energy and the University of Georgia's Savannah River
Ecology Laboratory.
NR 46
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U1 2
U2 45
PU CHELONIAN RESEARCH FOUNDATION
PI LUNENBURG
PA 168 GOODRICH ST., LUNENBURG, MA USA
SN 1071-8443
J9 CHELONIAN CONSERV BI
JI Chelonian Conserv. Biol.
PD JUL
PY 2011
VL 10
IS 1
BP 54
EP 61
PG 8
WC Zoology
SC Zoology
GA 791BP
UT WOS:000292635400008
ER
PT J
AU Rajbanshi, A
Moyer, BA
Custelcean, R
AF Rajbanshi, Arbin
Moyer, Bruce A.
Custelcean, Radu
TI Sulfate Separation from Aqueous Alkaline Solutions by Selective
Crystallization of Alkali Metal Coordination Capsules
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
ID ORGANIC FRAMEWORKS; ANION SEPARATION; BINDING; RECOGNITION; RECEPTOR;
ENCAPSULATION; IONS; PHOSPHATE; SOLVENTS; CAVITIES
AB Self-assembly of a tris (urea) anion receptor with Na2SO4 or K2SO4 yields crystalline capsules held together by coordinating Na+ or K+ cations and hydrogen-bonding water bridges, with the sulfate anions encapsulated inside urea-lined cavities. The sodium-based capsules can be selectively crystallized in excellent yield from highly competitive aqueous alkaline solutions (similar to 6 M Na+, pH 14), thereby providing for the first time a viable approach to sulfate separation from nuclear wastes.
C1 [Rajbanshi, Arbin; Moyer, Bruce A.; Custelcean, Radu] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Custelcean, R (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
EM custelceanr@ornl.gov
RI Custelcean, Radu/C-1037-2009; Moyer, Bruce/L-2744-2016
OI Custelcean, Radu/0000-0002-0727-7972; Moyer, Bruce/0000-0001-7484-6277
FU Office of Technology Innovation and Development, Office of Environmental
Management, U.S. Department of Energy
FX This research was sponsored by the Office of Technology Innovation and
Development, Office of Environmental Management, U.S. Department of
Energy.
NR 67
TC 40
Z9 40
U1 1
U2 15
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 JUL
PY 2011
VL 11
IS 7
BP 2702
EP 2706
DI 10.1021/cg200515w
PG 5
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA 788AG
UT WOS:000292417200008
ER
PT J
AU Yi, XY
Fang, HC
Gu, ZG
Zhou, ZY
Cai, YP
Tian, J
Thallapally, PK
AF Yi, Xiao-Yi
Fang, Hua-Cai
Gu, Zhi-Gang
Zhou, Zheng-Yuan
Cai, Yue-Peng
Tian, Jian
Thallapally, Praveen K.
TI Metal-Organic Frameworks with Achiral/Monochiral Nano-Channels
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
ID VIBRATIONAL CIRCULAR-DICHROISM; CHIRAL COORDINATION POLYMERS;
CRYSTAL-STRUCTURE; HELICAL CHAINS; LIGANDS; ARCHITECTURES; COMPLEXES;
MOLECULES; TOPOLOGY; NETWORK
AB Three pH/temperature-dependent 2D MOFs containing 1D nanotubular mesa-helical chains were firstly synthesized from multidentate 2,4(1)-H(2)bpdc. Crystal structure analysis shows that 2 and 3 are monochiral and the resultant crystals were not racemic as evidenced by the observation of strong signals in vibrational circular dichroism (VCD) and circular dichroism (CD) spectra.
C1 [Yi, Xiao-Yi; Fang, Hua-Cai; Gu, Zhi-Gang; Zhou, Zheng-Yuan; Cai, Yue-Peng] S China Normal Univ, Sch Chem & Environm, Key Lab Electrochem Technol Energy Storage & Po, Guangdong Higher Educ Inst, Guangzhou 510006, Guangdong, Peoples R China.
[Yi, Xiao-Yi; Fang, Hua-Cai; Gu, Zhi-Gang; Zhou, Zheng-Yuan; Cai, Yue-Peng] Guangzhou Univ City, Guangzhou, Guangdong, Peoples R China.
[Thallapally, Praveen K.] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
RP Cai, YP (reprint author), S China Normal Univ, Sch Chem & Environm, Key Lab Electrochem Technol Energy Storage & Po, Guangdong Higher Educ Inst, Guangzhou 510006, Guangdong, Peoples R China.
EM ypcai8@yahoo.com; Praveen.Thallapally@pnl.gov
RI Tian, Jian/I-8637-2012; thallapally, praveen/I-5026-2014
OI thallapally, praveen/0000-0001-7814-4467
FU National Natural Science Foundation of China [20772037]; Science and
Technology Planning Project of Guangdong Province [2006A10902002,
2010B031100018]; Natural Science Foundation of Guangdong Province
[9251063101000006, 06025033]; US Department of Energy, Office of Basic
Energy Sciences, Division of Materials Sciences and Engineering
[KC020105-FWP12152]; Battelle [DE-AC05-76RL01830]
FX This work was supported by the National Natural Science Foundation of
China (No.20772037), Science and Technology Planning Project of
Guangdong Province (Grant No. 2006A10902002 and 2010B031100018), and the
Natural Science Foundation of Guangdong Province (9251063101000006 and
06025033). PKT thank the US Department of Energy, Office of Basic Energy
Sciences, Division of Materials Sciences and Engineering under Award
KC020105-FWP12152. PNNL is a multiprogram national laboratory operated
for DOE by Battelle under Contract DE-AC05-76RL01830
NR 47
TC 32
Z9 33
U1 2
U2 50
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 JUL
PY 2011
VL 11
IS 7
BP 2824
EP 2828
DI 10.1021/cg101618n
PG 5
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA 788AG
UT WOS:000292417200023
ER
PT J
AU Wiser, R
Barbose, G
Holt, E
AF Wiser, Ryan
Barbose, Galen
Holt, Edward
TI Supporting solar power in renewables portfolio standards: Experience
from the United States
SO ENERGY POLICY
LA English
DT Article
DE Renewables portfolio standards; Solar; Resource diversity
ID TRADABLE GREEN CERTIFICATES; ENERGY; POLICY; FEED; MARKETS; PERSPECTIVE;
COMPETITION; OBLIGATION; EFFICIENCY; GERMANY
AB Renewables portfolio standards (RPS) have become an increasingly popular option for encouraging the deployment of renewable electricity. It is a relatively new policy mechanism, however, and experience with its use is only beginning to emerge. One key concern is whether RPS policies offer adequate support to a wide range of renewable energy technologies and applications or whether, alternatively, they will favor a small number of the currently least-cost forms of renewable energy. This article documents the design of and early experience with state-level RPS programs in the United States that have been specifically tailored to encourage a wider diversity of renewable energy technologies, and solar energy in particular. As shown here, state-level RPS programs specifically designed to support solar have already proven to be an important driver for solar energy deployment, and those impacts are projected to build in the coming years. State experience in supporting solar energy with RPS programs is mixed, however, and full compliance with existing requirements has not been achieved. The comparative experiences described herein highlight the opportunities and challenges of applying an RPS to specifically support solar energy, as well as the importance of policy design details to ensuring that program goals are achieved. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Wiser, Ryan; Barbose, Galen] Univ Calif Berkeley, Lawrence Berkeley Lab, Elect Markets & Policy Grp, Berkeley, CA 94720 USA.
[Holt, Edward] Ed Holt & Associates Inc, Harpswell, ME 04079 USA.
RP Barbose, G (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Elect Markets & Policy Grp, Berkeley, CA 94720 USA.
EM glbarbose@lbl.gov
FU Office of Energy Efficiency and Renewable Energy; Office of Electricity
Delivery and Energy Reliability (Permitting, Siting, and Analysis
Division) of the U.S. Department of Energy [DE-AC02-05CH11231]; National
Renewable Energy Laboratory [DEK-8883050]; Clean Energy States Alliance
FX This work was supported by the Office of Energy Efficiency and Renewable
Energy (Solar Energy Technologies Program) and the Office of Electricity
Delivery and Energy Reliability (Permitting, Siting, and Analysis
Division) of the U.S. Department of Energy under Contract no.
DE-AC02-05CH11231; the National Renewable Energy Laboratory under
Contract no. DEK-8883050; and the Clean Energy States Alliance.
NR 36
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U1 0
U2 23
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 JUL
PY 2011
VL 39
IS 7
SI SI
BP 3894
EP 3905
DI 10.1016/j.enpol.2010.11.025
PG 12
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 790WG
UT WOS:000292620800003
ER
PT J
AU Palmer, K
Paul, A
Woerman, M
Steinberg, DC
AF Palmer, Karen
Paul, Anthony
Woerman, Matt
Steinberg, Daniel C.
TI Federal policies for renewable electricity: Impacts and interactions
SO ENERGY POLICY
LA English
DT Article
DE Renewable portfolio standard; Renewable energy credits; Cap-and-trade
ID ENERGY; PRICES
AB Three types of policies that are prominent in the federal debate over addressing greenhouse gas emissions in the United States are a cap-and-trade program (CTP) on emissions, a renewable portfolio standard (RPS) for electricity production, and tax credits for renewable electricity producers. Each of these policies would have different consequences, and combinations of these policies could induce interactions yielding a whole that is not the sum of its parts. This paper utilizes the Haiku electricity market model to evaluate the economic and technology outcomes, climate benefits, and cost-effectiveness of three such policies and all possible combinations of the policies. A central finding is that the carbon dioxide (CO(2)) emissions reductions from CTP can be significantly greater than those from the other policies, even for similar levels of renewable electricity production, since of the three policies, CTP is the only one that distinguishes electricity generated by coal and natural gas. It follows that CTP is the most cost-effective among these approaches at reducing CO(2) emissions. An alternative compliance payment mechanism in an RPS program could substantially affect renewables penetration, and the electricity price effects of the policies hinge partly on the regulatory structure of electricity markets, which varies across the country. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Palmer, Karen; Paul, Anthony; Woerman, Matt] Resources Future Inc, Washington, DC 20036 USA.
[Steinberg, Daniel C.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Paul, A (reprint author), Resources Future Inc, 1616 P St NW, Washington, DC 20036 USA.
EM Palmer@rff.org; Paul@rff.org; Woerman@rff.org; daniel.steinberg@nrel.gov
OI Steinberg, Daniel/0000-0003-1769-2261
NR 22
TC 16
Z9 17
U1 0
U2 15
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 JUL
PY 2011
VL 39
IS 7
SI SI
BP 3975
EP 3991
DI 10.1016/j.enpol.2011.01.035
PG 17
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 790WG
UT WOS:000292620800012
ER
PT J
AU Wang, JH
Liu, C
Ton, D
Zhou, Y
Kim, J
Vyas, A
AF Wang, Jianhui
Liu, Cong
Ton, Dan
Zhou, Yan
Kim, Jinho
Vyas, Anantray
TI Impact of plug-in hybrid electric vehicles on power systems with demand
response and wind power
SO ENERGY POLICY
LA English
DT Article
DE Plug-in hybrid electric vehicles; Wind power; Demand response
AB This paper uses a new unit commitment model which can simulate the interactions among plug-in hybrid electric vehicles (PHEVs), wind power, and demand response (DR). Four PHEV charging scenarios are simulated for the Illinois power system: (1) unconstrained charging, (2) 3-hour delayed constrained charging, (3) smart charging, and (4) smart charging with DR. The PHEV charging is assumed to be optimally controlled by the system operator in the latter two scenarios, along with load shifting and shaving enabled by DR programs. The simulation results show that optimally dispatching the PHEV charging load can significantly reduce the total operating cost of the system. With DR programs in place, the operating cost can be further reduced. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Wang, Jianhui; Liu, Cong; Zhou, Yan; Vyas, Anantray] Argonne Natl Lab, Argonne, IL 60439 USA.
[Ton, Dan] US DOE, Washington, DC 20585 USA.
[Kim, Jinho] Kyungwon Univ, Kyunggido 461701, South Korea.
RP Wang, JH (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM jianhui.wang@anl.gov
FU US 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 US
Department of Energy Office of Science laboratory, is operated under
Contract no. DE-AC02-06CH11357. The US Government retains for itself,
and others acting on its behalf, a paid-up non-exclusive, 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 24
TC 95
Z9 98
U1 1
U2 23
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 JUL
PY 2011
VL 39
IS 7
SI SI
BP 4016
EP 4021
DI 10.1016/j.enpol.2011.01.042
PG 6
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 790WG
UT WOS:000292620800016
ER
PT J
AU Werth, D
Kurzeja, R
Dias, NL
Zhang, G
Duarte, H
Fischer, M
Parker, M
Leclerc, M
AF Werth, David
Kurzeja, Robert
Dias, Nelson Luis
Zhang, Gengsheng
Duarte, Henrique
Fischer, Marc
Parker, Matthew
Leclerc, Monique
TI The Simulation of the Southern Great Plains Nocturnal Boundary Layer and
the Low-Level Jet with a High-Resolution Mesoscale Atmospheric Model
SO JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
LA English
DT Article
ID EDDY-COVARIANCE FLUXES; UNITED-STATES; TURBULENCE; SHEAR; CLIMATOLOGY;
ENERGY; CANOPY; SYSTEM; FOREST; SCALE
AB A field project over the Atmospheric Radiation Measurement-Cloud and Radiation Test Bed (ARM-CART) site during a period of several nights in September 2007 was conducted to explore the evolution of the low-level jet (LLJ). Data were collected from in situ (a multilevel tower) and remote (sodar) sensors, and the observed LLJ activity during the project was found to agree well with data from earlier studies regarding jet speed, height, and direction. To study nocturnal boundary layer (NBL) behavior, the Regional Atmospheric Modeling System was used to simulate the ARM-CART NBL field experiment and was validated against the data collected from the site. This model was run at high resolution for calculating the interactions among the various motions within the boundary layer and their influence on the surface. The model faithfully simulated the formation and dissolution of the low-level nocturnal jet during a synoptic situation in which low pressure with warm southerly advection replaced high pressure. An additional simulation at 32.5-m resolution was performed for the most stable 5.5-h period, using a turbulence scheme adjusted to allow for greater resolved turbulent kinetic energy, and the model reproduced the turbulence statistics as determined by a power spectrum. The benefit of the high-resolution simulation is evident in the much more realistically resolved model turbulent kinetic energy and the fluxes of momentum, heat, and water vapor.
C1 [Werth, David; Kurzeja, Robert; Parker, Matthew] Savannah River Natl Lab, Aiken, SC 29808 USA.
[Dias, Nelson Luis] Univ Fed Parana, Ctr Politecn, BR-80060000 Curitiba, Parana, Brazil.
[Zhang, Gengsheng; Duarte, Henrique; Leclerc, Monique] Univ Georgia, Lab Environm Phys, Griffin, GA USA.
[Fischer, Marc] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Atmospher Sci, Berkeley, CA 94720 USA.
RP Werth, D (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM david.werth@srnl.doe.gov
FU U.S. Department of Energy [DE-AC09-08SR22470]; DOE Office of Science
[ER64321-1028996-0012858]; Environmental Sciences Division of the Office
of Biological and Environmental Research of the U.S. Department of
Energy
FX This work was prepared for the U.S. Department of Energy under Contract
DE-AC09-08SR22470. This work was sponsored by the DOE Office of Science
Terrestrial Carbon Processes Program (Contract ER64321-1028996-0012858
for the University of Georgia). Select data were obtained from the
Atmospheric Radiation Measurement Program sponsored by the Environmental
Sciences Division of the Office of Biological and Environmental Research
of the U.S. Department of Energy. We also express our gratitude to the
three anonymous reviewers who provided several helpful comments and
critiques that greatly improved the quality of the manuscript.
NR 44
TC 8
Z9 8
U1 1
U2 6
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 1558-8424
EI 1558-8432
J9 J APPL METEOROL CLIM
JI J. Appl. Meteorol. Climatol.
PD JUL
PY 2011
VL 50
IS 7
BP 1497
EP 1513
DI 10.1175/2011JAMC2272.1
PG 17
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 792FI
UT WOS:000292725500008
ER
PT J
AU Jiang, CS
Heath, JT
Moutinho, HR
Al-Jassim, MM
AF Jiang, C. -S.
Heath, J. T.
Moutinho, H. R.
Al-Jassim, M. M.
TI Scanning capacitance spectroscopy on n(+) -p asymmetrical junctions in
multicrystalline Si solar cells
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID ELECTRICAL SIMULATION; N-JUNCTIONS; MICROSCOPY; DELINEATION
AB We report on a scanning capacitance spectroscopy (SCS) study on the n(+) -p junction of multicrystalline silicon solar cells. We found that the spectra taken at space intervals of similar to 10 nm exhibit characteristic features that depend strongly on the location relative to the junction. The capacitance-voltage spectra exhibit a local minimum capacitance value at the electrical junction, which allows the junction to be identified with similar to 10-nm resolution. The spectra also show complicated transitions from the junction to the n-region with two local capacitance minima on the capacitance-voltage curves; similar spectra to that have not been previously reported in the literature. These distinctive spectra are due to uneven carrier-flow from both the n- and p-sides. Our results contribute significantly to the SCS study on asymmetrical junctions. VC 2011 American Institute of Physics. [doi:10.1063/1.3605507]
C1 [Jiang, C. -S.; Heath, J. T.; Moutinho, H. R.; Al-Jassim, M. M.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Heath, J. T.] Linfield Coll, Mcminnville, OR 97128 USA.
RP Jiang, CS (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM chun.sheng.jiang@nrel.gov
RI jiang, chun-sheng/F-7839-2012; Heath, Jennifer/L-1201-2015
FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy
Laboratory; American Chemical Society
FX The authors thank R. Reedy at NREL for performing the SIMS measurement.
This work was supported by the U.S. Department of Energy under Contract
No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory.
J.H. would like to thank the Donors of the American Chemical Society
Petroleum Research Fund for partial support of this research.
NR 11
TC 7
Z9 7
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 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD JUL 1
PY 2011
VL 110
IS 1
AR 014514
DI 10.1063/1.3605507
PG 5
WC Physics, Applied
SC Physics
GA 792US
UT WOS:000292776500135
ER
PT J
AU Staruch, M
Stan, L
Lee, JH
Wang, H
Budnick, JI
Jain, M
AF Staruch, M.
Stan, L.
Lee, J. H.
Wang, H.
Budnick, J. I.
Jain, M.
TI Magnetotransport properties of Pr0.5Ca0.5MnO3 thin films grown by a
solution route
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID MAGNETIC-FIELD; CHARGE; PR1-XCAXMNO3; TRANSITIONS; MANGANITES
AB Thin films of Pr0.5Ca0.5MnO3 were fabricated on (001) oriented SrLaAlO4, NdGaO3, and SrTiO3 substrates using a hybrid solution route and spin coating techniques. Good crystalline and epitaxial quality of the films was confirmed with X-ray diffraction and transmission electron microscopy studies. Strain in the film grown on NdGaO3 substrate did not relax during annealing process and the film exhibited charge-ordered insulator phase at low temperatures even with magnetic fields up to 9 T. However, the films on SrLaAlO4 and SrTiO3 substrates (with partially relaxed compressive and tensile strain, respectively) displayed melting of the charge-ordered phase with applied magnetic fields of less than 5 T. The results suggest that strain-relaxation rather than only the type of strain plays an important role in lowering critical melting magnetic fields in these films. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3603011]
C1 [Staruch, M.; Budnick, J. I.; Jain, M.] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA.
[Stan, L.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87544 USA.
[Lee, J. H.; Wang, H.] Texas A&M Univ, College Stn, TX 77843 USA.
[Budnick, J. I.; Jain, M.] Univ Connecticut, Inst Mat Sci, Storrs, CT 06269 USA.
RP Staruch, M (reprint author), Univ Connecticut, Dept Phys, Storrs, CT 06269 USA.
EM mjain@phys.uconn.edu
RI Wang, Haiyan/P-3550-2014; Staruch, Margo/M-9260-2015;
OI Wang, Haiyan/0000-0002-7397-1209; Staruch, Margo/0000-0003-3088-2553;
Jain, Menka/0000-0002-2264-6895
FU UConn start-up funds; NSF [1105975, 0846504]
FX The author MJ is grateful for financial support from UConn start-up
funds and NSF 1105975 grant. The efforts at Texas A&M University were
supported by NSF 0846504.
NR 21
TC 8
Z9 8
U1 1
U2 17
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 JUL 1
PY 2011
VL 110
IS 1
AR 013921
DI 10.1063/1.3603011
PG 4
WC Physics, Applied
SC Physics
GA 792US
UT WOS:000292776500093
ER
PT J
AU Mathias, G
Baer, MD
AF Mathias, Gerald
Baer, Marcel D.
TI Generalized Normal Coordinates for the Vibrational Analysis of Molecular
Dynamics Simulations
SO JOURNAL OF CHEMICAL THEORY AND COMPUTATION
LA English
DT Article
ID SPACE GAUSSIAN PSEUDOPOTENTIALS; DENSITY-FUNCTIONAL CALCULATIONS;
AB-INITIO; INFRARED-SPECTRUM; SIMULTANEOUS DIAGONALIZATION;
POLYATOMIC-MOLECULES; RETINAL CHROMOPHORE; ATOMIC FLUCTUATIONS; WATER
NETWORKS; LIQUID WATER
AB The computation of vibrational spectra via molecular dynamics (MD) simulations has made lively progress in recent years. In particular, infrared spectra are accessible employing ab initio MD, for which only the total dipole moment has to be computed "on the fly" from the electronic structure along the trajectory. The analysis of such spectra in terms of the normal modes of intramolecular motion, however, still poses a challenge to theory. Here, we present an algorithm to extract such normal modes from MD trajectories by combining several ideas available in the literature. The algorithm allows one to compute both the normal modes and their vibrational bands without having to rely on an equipartition assumption, which hampered previous methods. Our analysis is based on a tensorial definition of the vibrational density of states, which spans both the frequency resolved cross- and auto-correlations of the molecular degrees of freedom. Generalized normal coordinates are introduced as orthonormal transforms of mass-weighted coordinates, which minimize their mutual cross-correlations. The generalized normal coordinates and their associated normal modes are iteratively constructed by a minimization scheme based on the Jacobi diagonalization. Furthermore, the analysis furnishes mode local temperatures, which provide not only a measure for the convergence of the computed intensities but also permits one to correct these intensities a posteriori toward the ensemble limit. As a first non-trivial test application we analyze the infrared spectrum of isoprene based on ab initio MD, which is an important building block of various dye molecules in molecular biology.
C1 [Mathias, Gerald] Univ Munich, Lehrstuhl BioMol Opt, D-80538 Munich, Germany.
[Baer, Marcel D.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
[Mathias, Gerald; Baer, Marcel D.] Ruhr Univ Bochum, Lehrstuhl Theoret Chem, D-44780 Bochum, Germany.
RP Mathias, G (reprint author), Univ Munich, Lehrstuhl BioMol Opt, Oettingenstr 67, D-80538 Munich, Germany.
EM gerald.mathias@physik.uni-muenchen.de
RI Baer, Marcel/K-7664-2012
FU Deutsche Forschungsgemeinschaft within FOR [MA 1547/3, 436]
FX We thank Sergei Ivanov and Harald Forbert for helpful discussions and
Dominik Marx for encouragement and support. Theodoros Zelleke is
acknowledged for implementing the internal coordinate transform. Funding
was provided by the Deutsche Forschungsgemeinschaft through grant MA
1547/3 to D.M. within FOR 436.
NR 55
TC 17
Z9 17
U1 2
U2 26
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9618
J9 J CHEM THEORY COMPUT
JI J. Chem. Theory Comput.
PD JUL
PY 2011
VL 7
IS 7
BP 2028
EP 2039
DI 10.1021/ct2001304
PG 12
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 790VI
UT WOS:000292617900004
PM 26606474
ER
PT J
AU Hynninen, AP
Matthews, JF
Beckham, GT
Crowley, MF
Nimlos, MR
AF Hynninen, Antti-Pekka
Matthews, James F.
Beckham, Gregg T.
Crowley, Michael F.
Nimlos, Mark R.
TI Coarse-Grain Model for Glucose, Cellobiose, and Cellotetraose in Water
SO JOURNAL OF CHEMICAL THEORY AND COMPUTATION
LA English
DT Article
ID CELLULOSE-I-BETA; CARBOHYDRATE-BINDING MODULE; IIII CRYSTAL MODELS;
MOLECULAR-DYNAMICS; BIOMASS RECALCITRANCE; CELLOBIOHYDROLASE-I;
FORCE-FIELD; SIMULATIONS; STABILITY; POTENTIALS
AB We present a coarse-grain (CG) simulation model for aqueous solutions of beta-D-glucose, cellobiose, and cellotetraose, based on atomistic simulation data for each system. In the model, three spherical beads are used to represent glucose, and a single bead is used to represent water. For glucose, the force field is calculated using force matching by minimizing the sum of the square differences between forces calculated from atomistic and CG simulations. For cellobiose and cellotetraose, we use a hybrid method where the nonbonded interactions are obtained using force matching and the bonded interactions are obtained using Boltzmann inversion. We demonstrate excellent agreement in the structural properties between the atomistic simulations and the CG simulations. This model represents the first step in developing a CG force field for cellulose, as it is of significant interest to study cellulose behavior at much longer time and length scales relative to atomistic simulations.
C1 [Hynninen, Antti-Pekka; Beckham, Gregg T.; Crowley, Michael F.; Nimlos, Mark R.] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
[Matthews, James F.] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA.
[Beckham, Gregg T.] Colorado Sch Mines, Dept Chem Engn, Golden, CO 80401 USA.
RP Nimlos, MR (reprint author), Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
EM Mark.Nimlos@nrel.gov
RI crowley, michael/A-4852-2013
OI crowley, michael/0000-0001-5163-9398
FU Colorado School of Mines; National Science Foundation; National
Renewable Energy Laboratory; DOE Office of EERE [DE-AC36-08GO28308]
FX This work was supported by the National Renewable Energy Laboratory
Directed Research & Development program. Computational resources for
this research were supported in part by the Golden Energy Computing
Organization and the Colorado School of Mines using resources acquired
with financial assistance from the National Science Foundation and the
National Renewable Energy Laboratory. Computer time was provided in part
by the NREL Computational Sciences Center supported by the DOE Office of
EERE under contract number DE-AC36-08GO28308. We thank Professor
Jhih-Wei Chu of UC Berkeley for helpful discussions.
NR 64
TC 14
Z9 14
U1 2
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9618
J9 J CHEM THEORY COMPUT
JI J. Chem. Theory Comput.
PD JUL
PY 2011
VL 7
IS 7
BP 2137
EP 2150
DI 10.1021/ct200092t
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 790VI
UT WOS:000292617900015
PM 26606485
ER
PT J
AU Kowalski, K
Olson, RM
Krishnamoorthy, S
Tipparaju, V
Apra, E
AF Kowalski, K.
Olson, R. M.
Krishnamoorthy, S.
Tipparaju, V.
Apra, E.
TI Role of Many-Body Effects in Describing Low-Lying Excited States of
pi-Conjugated Chromophores: High-Level Equation-of-Motion
Coupled-Cluster Studies of Fused Porphyrin Systems
SO JOURNAL OF CHEMICAL THEORY AND COMPUTATION
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; GAUSSIAN-BASIS SETS; OPEN-SHELL SYSTEMS;
EXCITATION-ENERGIES; ELECTRONIC STATES; RESPONSE FUNCTIONS;
CONFIGURATION-INTERACTION; MOLECULAR WIRES; ANTHRACENE; SPECTRA
AB The unusual photophysical properties of the pi-conjugated chromophores make them potential building blocks of various molecular devices. In particular, significant narrowing of the HOMO-LUMO gaps can be observed as an effect of functionalization chromophores with polycyclic aromatic hydrocarbons (PAT-Is). In this paper we present equation-of-motion coupled cluster (EOMCC) calculations for vertical excitation energies of several functionalized forms of porphyrins. The results for free-base porphyrin (FBP) clearly demonstrate significant differences between functionalization of FBP with one- (anthracene) and two-dimensional (coronene) structures. We also compare the EOMCC results with the experimentally available results for anthracene fused zinc-porphyrin. The impact of various types of correlation effects is illustrated on several benchmark models, where the comparison with the experiment is possible. In particular, we demonstrate that for all excited states considered in this paper, all of them being dominated by single excitations, the inclusion of triply excited configurations is crucial for attaining qualitative agreement with experiment. We also demonstrate the parallel performance of the most computationally intensive part of the completely renormalized EOMCCSD(T) approach (CR-EOMCCSD(T)) across 120 000 cores.
C1 [Kowalski, K.] Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, Richland, WA 99352 USA.
[Olson, R. M.] Cray Inc, St Paul, MN 55101 USA.
[Tipparaju, V.; Apra, E.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
RP Kowalski, K (reprint author), Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, K8-91,POB 999, Richland, WA 99352 USA.
EM karol.kowalski@pnl.gov; aprae@ornl.gov
RI Apra, Edoardo/F-2135-2010
OI Apra, Edoardo/0000-0001-5955-0734
FU Extreme Scale Computing Initiative at Pacific Northwest National
Laboratory; Department of Energy's Office of Biological and
Environmental Research at Pacific Northwest National Laboratory; Office
of Science of the U.S. Department of Energy [DE-AC05-00OR22725];
[DE-AC06-76RLO-1830]
FX The work related to the development of the scalable EOMCCSD and
CR-EOMCCSD(T) approaches (K.K.) and development of new parallel tools
(S.K) was supported by the Extreme Scale Computing Initiative, a
Laboratory Directed Research and Development Program at Pacific
Northwest National Laboratory. Most of the calculations have been
performed using 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. The
Pacific Northwest National Laboratory is operated for the U.S.
Department of Energy by the Battelle Memorial Institute under Contract
DE-AC06-76RLO-1830. The scalability tests of the CR-EOMCCSD(T)
implementation of NWChem have been performed on the Jaguar Cray-XTS
computer system of the National Center for Computational Sciences at Oak
Ridge National Laboratory, which is supported by the Office of Science
of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725.
NR 71
TC 12
Z9 12
U1 0
U2 23
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9618
J9 J CHEM THEORY COMPUT
JI J. Chem. Theory Comput.
PD JUL
PY 2011
VL 7
IS 7
BP 2200
EP 2208
DI 10.1021/ct200217y
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 790VI
UT WOS:000292617900020
PM 26606489
ER
PT J
AU Valone, SM
AF Valone, Steven M.
TI Quantum Mechanical Origins of the Iczkowski-Margrave Model of Chemical
Potential
SO JOURNAL OF CHEMICAL THEORY AND COMPUTATION
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; CHARGE-TRANSFER; MOLECULAR-DYNAMICS;
ELECTRONEGATIVITY EQUALIZATION; FORCE-FIELDS; ENERGY; ELECTRONS;
HARDNESS; NUMBER; STATES
AB Charge flow in materials at the atomistic level is controlled through chemical potential equalization among its constituents. Consequently employing this concept in a simulation requires some model of chemical potential. Current atomistic models of chemical potential, such as the Iczkowski-Margrave (IM) model, are built largely on heuristic arguments and depend linearly on the net charge of each constituent. To gain new insight into the IM model, a many-electron model Hamiltonian is constructed at the atomistic level that is commensurate with the IM model, as opposed to one designed at the one-electron level. For a three-state, two-fragment system, the essential electronegativity and the chemical hardness energies are recovered. However, the model Hamiltonian imparts new charge dependencies not found in the IM model. Decidedly nonlinear, transitional or hopping contributions in those new dependencies are shown to be critical to regulating charge flow. Other modifications to the IM model are illustrated with simple two- and three-fragment systems, involving as many as five states, that act as paradigms for general materials models. Including more than three states in the three-fragment example introduces local bonding refinements to the Mulliken electronegativity and chemical hardness.
C1 Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
RP Valone, SM (reprint author), Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
EM smv@lanl.gov
FU U.S. Department of Energy [DE-ACS2-06NA25396]; U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences
[2008LANL1026]
FX Work was performed at Los Alamos National Laboratory under the auspices
of the U.S. Department of Energy, under contract no. DE-ACS2-06NA25396
with funding provided by the U.S. Department of Energy, Laboratory
Directed Research and Development Program (first half) and the Center
for Materials at Irradiation and Mechanical Extremes, an Energy Frontier
Research Center funded by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences under award number 2008LANL1026
(second half). Thanks is given to the Institute for Mathematics and Its
Applications, University of Minnesota, for its support during the
earliest stages of this conceptual development. The author thanks Donald
G. Truhlar, Susan R. Atlas, Heinz Siedentop, Bias P. Uberuaga, Eric
Cances, and Helen G. Telila.
NR 57
TC 14
Z9 14
U1 1
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1549-9618
J9 J CHEM THEORY COMPUT
JI J. Chem. Theory Comput.
PD JUL
PY 2011
VL 7
IS 7
BP 2253
EP 2261
DI 10.1021/ct200283y
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 790VI
UT WOS:000292617900026
PM 26606494
ER
PT J
AU Ma, HY
Ji, X
Neelin, JD
Mechoso, CR
AF Ma, H. -Y.
Ji, X.
Neelin, J. D.
Mechoso, C. R.
TI Mechanisms for Precipitation Variability of the Eastern Brazil/SACZ
Convective Margin
SO JOURNAL OF CLIMATE
LA English
DT Article
ID SEA-SURFACE TEMPERATURE; GENERAL-CIRCULATION MODELS; ATLANTIC
CONVERGENCE ZONE; PLANETARY BOUNDARY-LAYER; SOUTH-AMERICAN SECTOR;
LA-NINA EVENTS; NORTHEAST BRAZIL; EL-NINO; RAINFALL VARIABILITY; LEVEL
CIRCULATION
AB The present study examines the mechanisms for the connection between the precipitation variability in eastern Brazil and the South Atlantic convergence zone (SACZ) convective margin (eastern Brazil/SACZ convective margin) and the variability of low-level inflow on interannual time scales during austral summer. The authors' methodology is based on the analysis of observational datasets and simulations by the University of California, Los Angeles (UCLA) atmospheric general circulation model (AGCM) coupled to the Simplified Simple Biosphere Model.
It is demonstrated that the inflow variability is associated with the leading mode of wind variability over subtropical South America, and the connection is established through the mechanism of an analytic prototype for convective margin shifts proposed in previous studies. Over the eastern Brazil/SACZ convective margin, the weaker (stronger) convection tends to occur together with stronger (weaker) low-level inflows in reference to the mean easterly trades. By changing the "ventilation" effect, stronger (weaker) inflows with low moist static energy from the Atlantic Ocean suppress (promote) convection. The causal relationship is verified by AGCM mechanism-testing experiments performed in perpetual-February mode, in which low-level, nondivergent wind perturbations are imposed in a region overlapping eastern Brazil and the western Atlantic Ocean. With solely the imposed-wind perturbations acting on the moisture advection in the model equation, the AGCM can reproduce the precipitation variability in the eastern Brazil/SACZ convective margin. The capability of the AGCM in capturing such precipitation sensitivity to the low-level inflow variability also suggests that the mechanism can be applied to other regions of convective margins or to other time scales.
C1 [Ma, H. -Y.; Ji, X.; Neelin, J. D.; Mechoso, C. R.] Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA USA.
[Ji, X.] Nanjing Univ, Sch Atmospher Sci, Nanjing 210008, Peoples R China.
RP Ma, HY (reprint author), Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Mail Code L-103,7000 East Ave, Livermore, CA 94550 USA.
EM ma21@llnl.gov
RI Neelin, J. David/H-4337-2011; Ma, Hsi-Yen/K-1019-2013
FU NOAA [NA08OAR4310597, NA08OAR4310882]; NSF [ATM-0645200, AGS-1102838]
FX We thank Dr. Benjamin Lintner for very helpful comments and Joyce
Meyerson for graphical assistance. Computing resources were provided
from the NCAR computational and information systems laboratory. This
research was supported by NOAA under Grants NA08OAR4310597 and
NA08OAR4310882 and by NSF under Grants ATM-0645200 and AGS-1102838.
NR 43
TC 6
Z9 6
U1 1
U2 7
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0894-8755
J9 J CLIMATE
JI J. Clim.
PD JUL
PY 2011
VL 24
IS 13
BP 3445
EP 3456
DI 10.1175/2011JCLI4070.1
PG 12
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 790LW
UT WOS:000292590500019
ER
PT J
AU Donner, LJ
Wyman, BL
Hemler, RS
Horowitz, LW
Ming, Y
Zhao, M
Golaz, JC
Ginoux, P
Lin, SJ
Schwarzkopf, MD
Austin, J
Alaka, G
Cooke, WF
Delworth, TL
Freidenreich, SM
Gordon, CT
Griffies, SM
Held, IM
Hurlin, WJ
Klein, SA
Knutson, TR
Langenhorst, AR
Lee, HC
Lin, YL
Magi, BI
Malyshev, SL
Milly, PCD
Naik, V
Nath, MJ
Pincus, R
Ploshay, JJ
Ramaswamy, V
Seman, CJ
Shevliakova, E
Sirutis, JJ
Stern, WF
Stouffer, RJ
Wilson, RJ
Winton, M
Wittenberg, AT
Zeng, FR
AF Donner, Leo J.
Wyman, Bruce L.
Hemler, Richard S.
Horowitz, Larry W.
Ming, Yi
Zhao, Ming
Golaz, Jean-Christophe
Ginoux, Paul
Lin, S. -J.
Schwarzkopf, M. Daniel
Austin, John
Alaka, Ghassan
Cooke, William F.
Delworth, Thomas L.
Freidenreich, Stuart M.
Gordon, C. T.
Griffies, Stephen M.
Held, Isaac M.
Hurlin, William J.
Klein, Stephen A.
Knutson, Thomas R.
Langenhorst, Amy R.
Lee, Hyun-Chul
Lin, Yanluan
Magi, Brian I.
Malyshev, Sergey L.
Milly, P. C. D.
Naik, Vaishali
Nath, Mary J.
Pincus, Robert
Ploshay, Jeffrey J.
Ramaswamy, V.
Seman, Charles J.
Shevliakova, Elena
Sirutis, Joseph J.
Stern, William F.
Stouffer, Ronald J.
Wilson, R. John
Winton, Michael
Wittenberg, Andrew T.
Zeng, Fanrong
TI The Dynamical Core, Physical Parameterizations, and Basic Simulation
Characteristics of the Atmospheric Component AM3 of the GFDL Global
Coupled Model CM3
SO JOURNAL OF CLIMATE
LA English
DT Article
ID GENERAL-CIRCULATION MODELS; LARGE-SCALE MODELS; SHALLOW CUMULUS
CONVECTION; CLOUD DROPLET ACTIVATION; SEA-SURFACE TEMPERATURE; INCLUDING
MASS FLUXES; AR4 CLIMATE MODELS; PART I; RADIATIVE PROPERTIES;
STRATIFORM CLOUDS
AB The Geophysical Fluid Dynamics Laboratory (GFDL) has developed a coupled general circulation model (CM3) for the atmosphere, oceans, land, and sea ice. The goal of CM3 is to address emerging issues in climate change, including aerosol-cloud interactions, chemistry-climate interactions, and coupling between the troposphere and stratosphere. The model is also designed to serve as the physical system component of earth system models and models for decadal prediction in the near-term future-for example, through improved simulations in tropical land precipitation relative to earlier-generation GFDL models. This paper describes the dynamical core, physical parameterizations, and basic simulation characteristics of the atmospheric component (AM3) of this model. Relative to GFDL AM2, AM3 includes new treatments of deep and shallow cumulus convection, cloud droplet activation by aerosols, subgrid variability of stratiform vertical velocities for droplet activation, and atmospheric chemistry driven by emissions with advective, convective, and turbulent transport. AM3 employs a cubed-sphere implementation of a finite-volume dynamical core and is coupled to LM3, a new land model with ecosystem dynamics and hydrology. Its horizontal resolution is approximately 200 km, and its vertical resolution ranges approximately from 70 m near the earth's surface to 1 to 1.5 km near the tropopause and 3 to 4 km in much of the stratosphere. Most basic circulation features in AM3 are simulated as realistically, or more so, as in AM2. In particular, dry biases have been reduced over South America. In coupled mode, the simulation of Arctic sea ice concentration has improved. AM3 aerosol optical depths, scattering properties, and surface clear-sky downward shortwave radiation are more realistic than in AM2. The simulation of marine stratocumulus decks remains problematic, as in AM2. The most intense 0.2% of precipitation rates occur less frequently in AM3 than observed. The last two decades of the twentieth century warm in CM3 by 0.32 degrees C relative to 1881-1920. The Climate Research Unit (CRU) and Goddard Institute for Space Studies analyses of observations show warming of 0.56 degrees and 0.52 degrees C, respectively, over this period. CM3 includes anthropogenic cooling by aerosol-cloud interactions, and its warming by the late twentieth century is somewhat less realistic than in CM2.1, which warmed 0.66 degrees C but did not include aerosol-cloud interactions. The improved simulation of the direct aerosol effect (apparent in surface clear-sky downward radiation) in CM3 evidently acts in concert with its simulation of cloud-aerosol interactions to limit greenhouse gas warming.
C1 [Donner, Leo J.; Wyman, Bruce L.; Hemler, Richard S.; Horowitz, Larry W.; Ming, Yi; Golaz, Jean-Christophe; Ginoux, Paul; Lin, S. -J.; Schwarzkopf, M. Daniel; Delworth, Thomas L.; Freidenreich, Stuart M.; Gordon, C. T.; Griffies, Stephen M.; Held, Isaac M.; Hurlin, William J.; Knutson, Thomas R.; Nath, Mary J.; Ploshay, Jeffrey J.; Ramaswamy, V.; Seman, Charles J.; Sirutis, Joseph J.; Stern, William F.; Stouffer, Ronald J.; Wilson, R. John; Winton, Michael; Wittenberg, Andrew T.; Zeng, Fanrong] NOAA, Geophys Fluid Dynam Lab, Princeton, NJ 08540 USA.
[Zhao, Ming; Austin, John; Lin, Yanluan] UCAR, GFDL, Princeton, NJ USA.
[Alaka, Ghassan] Colorado State Univ, Ft Collins, CO 80523 USA.
[Cooke, William F.; Langenhorst, Amy R.; Lee, Hyun-Chul; Naik, Vaishali] High Performance Technol Inc, GFDL, Princeton, NJ USA.
[Klein, Stephen A.] Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Livermore, CA USA.
[Magi, Brian I.; Malyshev, Sergey L.; Shevliakova, Elena] Princeton Univ, GFDL, Princeton, NJ 08544 USA.
[Milly, P. C. D.] US Geol Survey, Princeton, NJ USA.
[Pincus, Robert] Univ Colorado, ESRL, Boulder, CO 80309 USA.
RP Donner, LJ (reprint author), NOAA, Geophys Fluid Dynam Lab, Princeton Univ Forrestal Campus,201 Forrestal Rd, Princeton, NJ 08540 USA.
EM leo.j.donner@noaa.gov
RI Ginoux, Paul/C-2326-2008; Ming, Yi/F-3023-2012; Wittenberg,
Andrew/G-9619-2013; Delworth, Thomas/C-5191-2014; Zhao,
Ming/C-6928-2014; Golaz, Jean-Christophe/D-5007-2014; Horowitz,
Larry/D-8048-2014; Naik, Vaishali/A-4938-2013; Shevliakova,
Elena/J-5770-2014; Pincus, Robert/B-1723-2013; lin, yanluan/A-6333-2015;
Klein, Stephen/H-4337-2016; Magi, Brian/K-2000-2015; Alaka,
Ghassan/A-4513-2017
OI Ginoux, Paul/0000-0003-3642-2988; Wittenberg,
Andrew/0000-0003-1680-8963; Golaz, Jean-Christophe/0000-0003-1616-5435;
Horowitz, Larry/0000-0002-5886-3314; Naik, Vaishali/0000-0002-2254-1700;
Pincus, Robert/0000-0002-0016-3470; Klein, Stephen/0000-0002-5476-858X;
Magi, Brian/0000-0001-8131-0083; Alaka, Ghassan/0000-0003-3137-8535
FU Office of Science, U.S. Department of Energy [DE FG02-03ER63561]; Office
of Science in the U.S. Department of Energy; U.S. Department of Energy
by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Office of
Biological and Environmental Research, U.S. Department of Energy [DE
AI02-07ER64477]
FX We acknowledge the modeling groups, PCMDI, and the World Climate
Research Program's (WCRP's) Working Group on Coupled Modelling for their
roles in making available the WCRP CMIP3 multi-model dataset. Support of
this dataset is provided by the Office of Science, U.S. Department of
Energy.; The contribution of Stephen A. Klein to this work was funded
through the Regional and Global Climate Modeling and Atmospheric System
Research Programs of the Office of Science in the U.S. Department of
Energy and was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. Robert Pincus was supported by the Office of Science,
U.S. Department of Energy, under contract DE FG02-03ER63561. Yanluan Lin
was supported by the Office of Biological and Environmental Research,
U.S. Department of Energy, under Project DE AI02-07ER64477.
NR 142
TC 305
Z9 313
U1 5
U2 72
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 JUL
PY 2011
VL 24
IS 13
BP 3484
EP 3519
DI 10.1175/2011JCLI3955.1
PG 36
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 790LW
UT WOS:000292590500022
ER
PT J
AU Xie, R
Long, GG
Weigand, SJ
Moss, SC
Roorda, S
AF Xie, R.
Long, G. G.
Weigand, S. J.
Moss, S. C.
Roorda, S.
TI Order and disorder in edge-supported pure amorphous Si and pure
amorphous Si on Si(001)
SO JOURNAL OF NON-CRYSTALLINE SOLIDS
LA English
DT Article; Proceedings Paper
CT 11th International Conference on the Structure of Non-Crystalline
Materials (NCM 11)
CY JUN 28-JUL 02, 2010
CL Paris, FRANCE
DE Ion-implantation amorphization; Amorphous silicon; Low angle X-ray
scattering
ID SILICON; SUBMICROCRYSTALLITES; DIFFRACTION
AB We report results from an investigation into hidden anisotropy in pure fully-dense amorphous silicon. For amorphous silicon in intimate contact with a crystalline Si(001) substrate, one can reasonably expect that the interface with the substrate may impose anisotropy in the form of distorted ordering within the film. Indeed, we found four-fold periodic intensity variations, with bimodal intensity centered along the substrate c-Si < 110 > directions, in the X-ray scattering from a-Si on Si(001). These well-defined intensity variations disappeared entirely in X-ray scattering from edge-supported a-Si films, where there was no detectable anisotropy. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Xie, R.; Long, G. G.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA.
[Weigand, S. J.] Northwestern Univ, Argonne Natl Lab, DuPontNorthwesternDow Collaborat Access Team Sync, Argonne, IL 60439 USA.
[Moss, S. C.] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA.
[Moss, S. C.] Univ Houston, Dept Phys, Houston, TX 77204 USA.
[Roorda, S.] Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, Canada.
RP Long, GG (reprint author), Argonne Natl Lab, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM gglong@aps.anl.gov
RI USAXS, APS/D-4198-2013; Roorda, Sjoerd/N-2604-2014;
OI Xie, Ruobing/0000-0003-0266-9122
NR 9
TC 2
Z9 2
U1 0
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3093
J9 J NON-CRYST SOLIDS
JI J. Non-Cryst. Solids
PD JUL 1
PY 2011
VL 357
IS 14
SI SI
BP 2498
EP 2501
DI 10.1016/j.jnoncrysol.2011.02.003
PG 4
WC Materials Science, Ceramics; Materials Science, Multidisciplinary
SC Materials Science
GA 791KI
UT WOS:000292663700002
ER
PT J
AU Benmore, CJ
Soignard, E
Guthrie, M
Amin, SA
Weber, JKR
McKiernan, K
Wilding, MC
Yarger, JL
AF Benmore, C. J.
Soignard, E.
Guthrie, M.
Amin, S. A.
Weber, J. K. R.
McKiernan, K.
Wilding, M. C.
Yarger, J. L.
TI High pressure x-ray diffraction measurements on Mg2SiO4 glass
SO JOURNAL OF NON-CRYSTALLINE SOLIDS
LA English
DT Article; Proceedings Paper
CT 11th International Conference on the Structure of Non-Crystalline
Materials (NCM 11)
CY JUN 28-JUL 02, 2010
CL Paris, FRANCE
DE High pressure; Silicate glass; Glass structure; X-ray diffraction;
Equation of state
ID FORSTERITE MG2SIO4; MOLECULAR-DYNAMICS; DISCONTINUITY; SCATTERING;
LIQUID; MANTLE; ATOP; MELT
AB The structure factors of Mg2SiO4 glass have been measured using high energy x-ray diffraction up to pressures of 30.2 GPa, and the equation of state measured up to 12.8 GPa. The average Mg-O coordination numbers were extracted from the experimental pair distribution functions assuming two cases (i) there is no change in Si-O coordination number with pressure and (ii) the average Si-O coordination number increases the same as for pure SiO2 glass. Both analyses give similar results and show a gradual increase in the average Mg-O coordination number from 5.0 at ambient pressure to similar to 6.6(6) at 30.2 GPa. There is good qualitative agreement between the experimental structure and equation of state data for the glass compared to several recent molecular dynamics simulations carried out on liquid Mg2SiO4. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Benmore, C. J.; Guthrie, M.; Weber, J. K. R.] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
[Benmore, C. J.; McKiernan, K.; Yarger, J. L.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
[Soignard, E.; Amin, S. A.; McKiernan, K.; Yarger, J. L.] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA.
[Weber, J. K. R.] Mat Dev Inc, Arlington Hts, IL 60004 USA.
[Wilding, M. C.] Aberystwyth Univ, Inst Math & Phys, Aberystwyth SY23 3BZ, Dyfed, Wales.
RP Benmore, CJ (reprint author), Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
EM Benmore@aps.anl.gov
RI Guthrie, Malcolm/K-3099-2012; Yarger, Jeff/L-8748-2014;
OI Yarger, Jeff/0000-0002-7385-5400; Benmore, Chris/0000-0001-7007-7749
NR 28
TC 10
Z9 11
U1 3
U2 23
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3093
J9 J NON-CRYST SOLIDS
JI J. Non-Cryst. Solids
PD JUL 1
PY 2011
VL 357
IS 14
SI SI
BP 2632
EP 2636
DI 10.1016/j.jnoncrysol.2010.12.064
PG 5
WC Materials Science, Ceramics; Materials Science, Multidisciplinary
SC Materials Science
GA 791KI
UT WOS:000292663700024
ER
PT J
AU Hadamcik, E
Levasseur-Regourd, AC
Renard, JB
Lasue, J
Sen, AK
AF Hadamcik, E.
Levasseur-Regourd, A. C.
Renard, J-B
Lasue, J.
Sen, A. K.
TI Polarimetric observations and laboratory simulations of asteroidal
surfaces: The case of 21 Lutetia
SO JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
LA English
DT Article; Proceedings Paper
CT 12th International Conference on Electromagnetic and Light Scattering by
Nonspherical Particles - Theory, Measurements, and Applications
CY JUN 28-JUL 02, 2010
CL Helsinki, FINLAND
DE Space mission; Asteroid; 21 Lutetia; Polarization; Asteroid type;
Meteorite
ID ROSETTA MISSION; LIGHT-SCATTERING; DUST PARTICLES; SOLAR-SYSTEM;
POLARIZATION; TARGET; 2867-STEINS; 21-LUTETIA; TELESCOPE; SPECTRA
AB The Rosetta spacecraft flew by 21 Lutetia on July 2010. This event provides a unique opportunity to enhance our knowledge of solar system small bodies, by comparing the surface properties measured in situ and the properties deduced from the linear polarization of scattered light, and prepare future observations. The linear polarization is studied as a function of the phase angle at different wavelengths and compared to phase curves of M-type and C-type asteroids. In a second part of the work, 21 Lutetia's polarization phase curves are compared to phase curves measured in the laboratory for powdered carbonaceous chondrites suggested as eventual analogs by spectroscopic studies. The importance of the variation of the linear polarization as a function of the wavelength is emphasized. CV3-class meteorite is found to be the best polarimetric laboratory analog with an average size of regolith grain lower than 50 mu m. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Hadamcik, E.] Univ Paris 06, CNRS, LATMOS IPSL, F-78280 Paris, France.
[Levasseur-Regourd, A. C.] Univ Paris 06, CNRS, LATMOS, UMR 8190, F-75005 Paris, France.
[Renard, J-B] LPC2E CNRS, F-45071 Orleans 2, France.
[Lasue, J.] LANL, Los Alamos, NM 87545 USA.
[Lasue, J.] Lunar & Planetary Inst, Houston, TX 77058 USA.
[Sen, A. K.] Assam Univ, Silchar 788001, India.
RP Hadamcik, E (reprint author), Univ Paris 06, CNRS, LATMOS IPSL, 11 Bld DAlembert, F-78280 Paris, France.
EM edith.hadamcik@aerov.jussieu.fr
NR 36
TC 1
Z9 1
U1 0
U2 0
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0022-4073
J9 J QUANT SPECTROSC RA
JI J. Quant. Spectrosc. Radiat. Transf.
PD JUL
PY 2011
VL 112
IS 11
SI SI
BP 1881
EP 1890
DI 10.1016/j.jqsrt.2011.01.035
PG 10
WC Optics; Spectroscopy
SC Optics; Spectroscopy
GA 789RL
UT WOS:000292533900030
ER
PT J
AU Moyer, RO
Gilson, DFR
Toby, BH
AF Moyer, Ralph O., Jr.
Gilson, Denis F. R.
Toby, Brian H.
TI Neutron powder diffraction, and solid-state deuterium NMR analyses of
Yb2RuD6 and spectroscopic vibrational analysis of Yb2RuD6 and Yb2RuH6
SO JOURNAL OF SOLID STATE CHEMISTRY
LA English
DT Article
DE Ternary metal deuteride; Neutron powder diffraction; Infrared
spectroscopy; Deuterium NMR
ID SPECTRA; SALTS; EARTH
AB The crystal structure of Yb2RuD6 has been determined by neutron powder diffraction and the results were consistent with the Fm3m (#225) space group, a=7.2352(18) angstrom, with the atoms arranged according to the well-known K2PtCl6 structure. No structural phase transition was observed in going from room temperature to 4 K. Raman spectra were not available due to fluorescence, but all fundamental bands and combination bands were assigned from FTIR and PAIR spectra only following previous studies for other alkaline earth and europium ruthenium ternary metal hydrides and deuterides. The deuterium nuclear quadrupole coupling constant, 40.9 kHz, leads to an ionic character of the Ru-D bond of 82%. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Moyer, Ralph O., Jr.] Trinity Coll, Dept Chem, Hartford, CT 06106 USA.
[Gilson, Denis F. R.] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada.
[Toby, Brian H.] Argonne Natl Lab, Adv Photon Source, Argonne, IL USA.
RP Moyer, RO (reprint author), Trinity Coll, Dept Chem, 300 Summit St, Hartford, CT 06106 USA.
EM ralph.moyer@trincoll.edu
RI Toby, Brian/F-3176-2013
OI Toby, Brian/0000-0001-8793-8285
FU Trinity College
FX We thank Dr. F. Morin for assistance with the NMR measurements, Dr. S.
Elowatik (Universite de Montreal) for the PAIR spectra and Dr. J.
Stalick(NIST) for assistance with the powder neutron diffraction
experiments. We acknowledge support from the National Science Foundation
for powder X-ray diffraction laboratory equipment (MRI-CHE 0959526). ROM
acknowledges support from the Trinity College Scovill Chair Research
Fund.
NR 11
TC 5
Z9 5
U1 1
U2 7
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0022-4596
J9 J SOLID STATE CHEM
JI J. Solid State Chem.
PD JUL
PY 2011
VL 184
IS 7
BP 1895
EP 1898
DI 10.1016/j.jssc.2011.04.012
PG 4
WC Chemistry, Inorganic & Nuclear; Chemistry, Physical
SC Chemistry
GA 792CQ
UT WOS:000292718500046
ER
PT J
AU Chazelle, B
Seshadhri, C
AF Chazelle, Bernard
Seshadhri, C.
TI Online Geometric Reconstruction
SO JOURNAL OF THE ACM
LA English
DT Article
DE Algorithms; Theory; Computational geometry; sublinear algorithms
AB We investigate a new class of geometric problems based on the idea of online error correction. Suppose one is given access to a large geometric dataset though a query mechanism; for example, the dataset could be a terrain and a query might ask for the coordinates of a particular vertex or for the edges incident to it. Suppose, in addition, that the dataset satisfies some known structural property P (for example, monotonicity or convexity) but that, because of errors and noise, the queries occasionally provide answers that violate P. Can one design a filter that modifies the query's answers so that (i) the output satisfies P; (ii) the amount of data modification is minimized? We provide upper and lower bounds on the complexity of online reconstruction for convexity in 2D and 3D.
C1 [Chazelle, Bernard] Princeton Univ, Princeton, NJ 08544 USA.
[Seshadhri, C.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Chazelle, B (reprint author), Princeton Univ, 404 Comp Sci Bldg, Princeton, NJ 08544 USA.
EM chazelle@cs.princeton.edu; csesha@gmail.com
FU NSF [CCR-998817, CCR- 0306283]; ARO [DAAH04-96-1-0181]
FX This work was supported in part by NSF grants CCR-998817, CCR- 0306283,
and ARO Grant DAAH04-96-1-0181.
NR 26
TC 2
Z9 2
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 2 PENN PLAZA, STE 701, NEW YORK, NY 10121-0701 USA
SN 0004-5411
EI 1557-735X
J9 J ACM
JI J. ACM
PD JUL
PY 2011
VL 58
IS 4
AR 14
DI 10.1145/1989727.1989728
PG 32
WC Computer Science, Hardware & Architecture; Computer Science, Information
Systems; Computer Science, Software Engineering; Computer Science,
Theory & Methods
SC Computer Science
GA 792RN
UT WOS:000292766900001
ER
PT J
AU Paliwal, B
Tandon, R
Buchheit, TE
Rodelas, JM
AF Paliwal, Bhasker
Tandon, Rajan
Buchheit, Thomas E.
Rodelas, Jeffrey M.
TI An Assessment of the Effectiveness of the Hertzian Indentation Technique
for Determining the Fracture Toughness of Brittle Materials
SO JOURNAL OF THE AMERICAN CERAMIC SOCIETY
LA English
DT Article
ID CONTACT FRACTURE; FINITE FRICTION; STRESS-FIELD; CRACK; GLASS;
ELASTICITY; INITIATION; INDENTER; BENEATH; SPHERES
AB Ring crack initiation loads on glass using a spherical WC indenter were measured, and the methodology proposed by Warren and Hills and Warren was used to estimate glass toughness (K-IC). The values obtained were overestimates of K-IC, primarily because the methodology does not account for friction correctly. Corrected results that show that the stress-intensity factor at the surface crack tip is extremely sensitive to the friction coefficient, l and to Poisson's ratio, nu of the substrate are presented. This sensitivity and an inability to obtain the minimum load for crack initiation despite numerous experimental trials, cast doubt on the utility of the technique to measure K-IC.
C1 [Paliwal, Bhasker; Tandon, Rajan] Sandia Natl Labs, Mat Reliabil Dept, Albuquerque, NM 87185 USA.
[Buchheit, Thomas E.] Sandia Natl Labs, Computat Mat Sci & Engn Dept, Albuquerque, NM 87185 USA.
[Rodelas, Jeffrey M.] Ohio State Univ, Dept Ind Welding & Syst Engn, Coll Engn, Columbus, OH 43221 USA.
RP Paliwal, B (reprint author), Georgia Inst Technol, Dept Mech Engn, CNRS, UMI 2958, 2 Rue Marconi, F-57070 Metz, Lorraine, France.
EM bpaliwal@gatech.edu
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX 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 27
TC 5
Z9 5
U1 0
U2 13
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0002-7820
EI 1551-2916
J9 J AM CERAM SOC
JI J. Am. Ceram. Soc.
PD JUL
PY 2011
VL 94
IS 7
BP 2153
EP 2161
DI 10.1111/j.1551-2916.2010.04345.x
PG 9
WC Materials Science, Ceramics
SC Materials Science
GA 790RJ
UT WOS:000292606600034
ER
PT J
AU Zeng, XP
Tao, WK
Matsui, T
Xie, SC
Lang, S
Zhang, MH
Starr, DO
Li, XW
AF Zeng, Xiping
Tao, Wei-Kuo
Matsui, Toshihisa
Xie, Shaocheng
Lang, Stephen
Zhang, Minghua
Starr, David O'C
Li, Xiaowen
TI Estimating the Ice Crystal Enhancement Factor in the Tropics
SO JOURNAL OF THE ATMOSPHERIC SCIENCES
LA English
DT Article
ID RESOLVING MODEL SIMULATIONS; CUMULUS CLOUDS; TOGA COARE; PARTICLE
CONCENTRATIONS; EXPLICIT MICROPHYSICS; ATMOSPHERIC RADIATION; NUCLEATION
PROCESSES; CONVECTIVE SYSTEMS; RADAR OBSERVATIONS; CUMULIFORM CLOUDS
AB The ice crystal enhancement (IE) factor, defined as the ratio of the ice crystal to ice nuclei (IN) number concentrations for any particular cloud condition, is needed to quantify the contribution of changes in IN to global warming. However, the ensemble characteristics of IE are still unclear. In this paper, a representation of the IE factor is incorporated into a three-ice-category microphysical scheme for use in long-term cloud-resolving model (CRM) simulations. Model results are compared with remote sensing observations, which suggest that, absent a physically based consideration of how IE comes about, the IE factor in tropical clouds is about 10 3 times larger than that in midlatitudinal ones. This significant difference in IE between the tropics and middle latitudes is consistent with the observation of stronger entrainment and detrainment in the tropics. In addition, the difference also suggests that cloud microphysical parameterizations depend on spatial resolution (or subgrid turbulence parameterizations within CRMs).
C1 [Zeng, Xiping; Tao, Wei-Kuo; Matsui, Toshihisa; Lang, Stephen; Starr, David O'C; Li, Xiaowen] NASA, Goddard Space Flight Ctr, Atmospheres Lab, Greenbelt, MD 20771 USA.
[Zeng, Xiping; Matsui, Toshihisa; Li, Xiaowen] Univ Maryland Baltimore Cty, Goddard Earth Sci & Technol Ctr, Baltimore, MD 21228 USA.
[Xie, Shaocheng] Lawrence Livermore Natl Lab, Div Atmospher Sci, Livermore, CA USA.
[Lang, Stephen] Sci Syst & Applicat Inc, Lanham, MD USA.
[Zhang, Minghua] SUNY Stony Brook, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA.
RP Zeng, XP (reprint author), NASA, Goddard Space Flight Ctr, Atmospheres Lab, C423,Bldg 33,Mail Code 613-1, Greenbelt, MD 20771 USA.
EM xiping.zeng@nasa.gov
RI Xie, Shaocheng/D-2207-2013
OI Xie, Shaocheng/0000-0001-8931-5145
FU Office of Science (BER), U.S. Department of Energy/Atmospheric System
Research (DOE/ASR) [DE-AI02-04ER63755, -09ER64753]; NASA MAP
[NNX09AJ46G]; NASA; Stony Brook University; U.S. Department of
Energy/Office of Science, Biological and Environmental Research by the
University of California Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX This research was supported by the Office of Science (BER), U.S.
Department of Energy/Atmospheric System Research (DOE/ASR) Interagency
Agreement DE-AI02-04ER63755 and -09ER64753. It was also supported by the
NASA MAP project under Grant NNX09AJ46G and the NASA and DOE Atmospheric
System Research Programs at the Stony Brook University. Dr. Xie, working
at LLNL, was supported under the auspices of the U.S. Department of
Energy/Office of Science, Biological and Environmental Research by the
University of California Lawrence Livermore National Laboratory under
Contract DE-AC52-07NA27344. The authors greatly appreciate the anonymous
reviewers for their critical yet constructive comments. The authors
acknowledge the NASA Ames Research Center and the NASA Goddard Space
Flight Center for the computer time used in this research. This paper is
dedicated to Dr. Joanne Simpson, who passed away on 4 March 2010. Dr.
Simpson was the leader of the Goddard Mesoscale Dynamics and Modeling
group from 1987 to 2004. She taught the authors (W.-K. Tao, S. Lang, X.
Li, and X. Zeng) to appreciate the value of using observations to
validate simulated cloud processes.
NR 67
TC 12
Z9 12
U1 2
U2 9
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0022-4928
J9 J ATMOS SCI
JI J. Atmos. Sci.
PD JUL
PY 2011
VL 68
IS 7
BP 1424
EP 1434
DI 10.1175/2011JAS3550.1
PG 11
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 791BH
UT WOS:000292634300002
ER
PT J
AU Stratakis, D
Gallardo, JC
Palmer, RB
AF Stratakis, Diktys
Gallardo, Juan C.
Palmer, Robert B.
TI Enhancement of accelerating field of microwave cavities by magnetic
insulation
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Particle accelerators; Microwave cavities; Magnetic insulation; rf
breakdown
ID COLLIDER
AB Limitations on the maximum achievable accelerating gradient of microwave cavities can strongly influence the performance, length, and cost of particle accelerators. Gradient limitations are widely believed to be initiated by electron emission from the cavity surfaces. Here, we show that the deleterious effects of field emission are effectively suppressed by applying a tangential magnetic field to the cavity walls. With the aid of numerical simulations we compute the field strength required to insulate an 805 MHz cavity and estimate the cavity's tolerances to typical experimental errors such as magnet misalignments and positioning errors. Then, we review an experimental program, currently under progress, to further study the concept. Finally, we report on two specific examples that illustrate the feasibility of magnetic insulation into prospective particle accelerator applications. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Stratakis, Diktys; Gallardo, Juan C.; Palmer, Robert B.] Dept Phys, Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Stratakis, D (reprint author), Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
EM diktys@physics.ucla.edu
OI Gallardo, Juan C/0000-0002-5191-3067
FU U.S Department of Energy [DE-AC02-98CH10886]
FX Thanks to A. Bross, V.A. Dolgashev, R.C. Fernow, J.T Keane, H. Kirk, A.
Moretti, J. Norem, and Y. Torun for very stimulating discussions. The
authors also wish to thank A. Woodhead for reading the paper and making
useful suggestions. This work is supported by the U.S Department of
Energy, Contract no. DE-AC02-98CH10886.
NR 27
TC 2
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U1 1
U2 4
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 JUL 1
PY 2011
VL 643
IS 1
BP 1
EP 5
DI 10.1016/j.nima.2011.03.066
PG 5
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 788KB
UT WOS:000292442700001
ER
PT J
AU Hamilton, DJ
Shahinyan, A
Wojtsekhowski, B
Annand, JRM
Chang, TH
Chudakov, E
Danagoulian, A
Degtyarenko, P
Egiyan, K
Gilman, R
Gorbenko, V
Hines, J
Hovhannisyan, E
Hyde-Wright, CE
de Jager, CW
Ketikyan, A
Mamyan, VH
Michaels, R
Nathan, AM
Nelyubin, V
Rachek, I
Roedelbrom, M
Petrosyan, A
Pomatsalyuk, R
Popov, V
Segal, J
Shestakov, Y
Templon, J
Voskanyan, H
AF Hamilton, D. J.
Shahinyan, A.
Wojtsekhowski, B.
Annand, J. R. M.
Chang, T. -H.
Chudakov, E.
Danagoulian, A.
Degtyarenko, P.
Egiyan, K.
Gilman, R.
Gorbenko, V.
Hines, J.
Hovhannisyan, E.
Hyde-Wright, C. E.
de Jager, C. W.
Ketikyan, A.
Mamyan, V. H.
Michaels, R.
Nathan, A. M.
Nelyubin, V.
Rachek, I.
Roedelbrom, M.
Petrosyan, A.
Pomatsalyuk, R.
Popov, V.
Segal, J.
Shestakov, Y.
Templon, J.
Voskanyan, H.
TI An electromagnetic calorimeter for the JLab real compton scattering
experiment
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Calorimeters; Cherenkov detectors
AB A lead-glass hodoscope calorimeter that was constructed for use in the Jefferson Lab Real Compton Scattering experiment is described. The detector provides a measurement of the coordinates and the energy of scattered photons in the GeV energy range with resolutions of 5 mm and 6%/root E-gamma GeV. Features of both the detector design and its performance in the high luminosity environment during the experiment are presented. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Hamilton, D. J.; Annand, J. R. M.] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland.
[Shahinyan, A.; Egiyan, K.; Hovhannisyan, E.; Ketikyan, A.; Mamyan, V. H.; Voskanyan, H.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Wojtsekhowski, B.; Chudakov, E.; Degtyarenko, P.; de Jager, C. W.; Michaels, R.; Popov, V.; Segal, J.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Chang, T. -H.; Danagoulian, A.; Nathan, A. M.; Roedelbrom, M.] Univ Illinois, Urbana, IL 61801 USA.
[Gilman, R.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Gorbenko, V.; Pomatsalyuk, R.] Kharkov Inst Phys & Technol, UA-61108 Kharkov, Ukraine.
[Hines, J.; Templon, J.] Univ Georgia, Athens, GA 30602 USA.
[Hyde-Wright, C. E.] Old Dominion Univ, Norfolk, VA 23529 USA.
[Nelyubin, V.] St Petersburg Nucl Phys Inst, Gatchina 188350, Russia.
[Rachek, I.; Shestakov, Y.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
RP Hamilton, DJ (reprint author), Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland.
EM d.hamilton@physics.gla.ac.uk
RI Mamyan, Vahe/K-4778-2012;
OI Templon, Jeffrey/0000-0002-3371-788X
FU National Science Foundation; DOE [DE-AC05-84ER40150]
FX We acknowledge the RCS collaborators who helped to operate the detector
and the JLab technical staff for providing outstanding support, and
specially D. Hayes, T. Hartlove, T. Hunyady, and S. Mayilyan for help in
the construction of the lead-glass modules. We appreciate S.
Corneliussen's careful reading of the manuscript and his valuable
suggestions. This work was supported in part by the National Science
Foundation in grants for the University of Illinois University and by
DOE Contract DE-AC05-84ER40150 under which the Southeastern Universities
Research Association (SURA) operates the Thomas Jefferson National
Accelerator Facility for the United States Department of Energy.
NR 20
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U1 0
U2 8
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 JUL 1
PY 2011
VL 643
IS 1
BP 17
EP 28
DI 10.1016/j.nima.2011.01.182
PG 12
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 788KB
UT WOS:000292442700004
ER
PT J
AU Neal, JS
Boatner, LA
Ramey, JO
Wisniewski, D
Kolopus, JA
Cherepy, NJ
Payne, SA
AF Neal, John S.
Boatner, Lynn A.
Ramey, Joanne O.
Wisniewski, Dariusz
Kolopus, James A.
Cherepy, Nerine J.
Payne, Stephen A.
TI The characterization of Eu2+-doped mixed alkaline-earth iodide
scintillator crystals
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Scintillator; Radiation; Detection; Gamma-ray; Crystals
AB The high-performance inorganic scintillator, SrI2:Eu2+, when activated with divalent europium in the concentration range of 3-6%, has shown great promise for use in applications that require high-energy-resolution gamma-ray detection. We have recently grown and tested crystals in which other alkaline-earth ions have been partially substituted for strontium ions. Specifically, europium-doped single crystals have been grown in which up to 30 at% of the strontium ions have been substituted for by barium, magnesium, or calcium ions. In the case of the strontium iodide scintillator host, a material that is characterized by an orthorhombic crystal structure, three other column IIA elements are obvious choices for investigations intended to realize potential improvements in the performance of SrI2:Eu2+-based scintillators via the replacement of strontium ions with Mg2+, Ca2+, or Ba2+. Light yields up to 81,400 photons/MeV with an associated energy resolution of 3.7% (fwhm for 662 key gamma rays) have been observed in the case of partial substitution of Ba2+ for Sr2+. The measured decay times ranged from 1.1 to 2.0 mu s, while the peak emission wavelengths ranged from 432 to 438 nm. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Neal, John S.; Boatner, Lynn A.; Ramey, Joanne O.; Wisniewski, Dariusz; Kolopus, James A.] Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA.
[Wisniewski, Dariusz] Nicolaus Copernicus Univ, Inst Phys, Torun, Poland.
[Cherepy, Nerine J.; Payne, Stephen A.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Neal, JS (reprint author), Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA.
EM nealjs1@ornl.gov
RI Cherepy, Nerine/F-6176-2013; Boatner, Lynn/I-6428-2013; Neal,
John/R-8203-2016
OI Cherepy, Nerine/0000-0001-8561-923X; Boatner, Lynn/0000-0002-0235-7594;
Neal, John/0000-0001-8337-5235
FU Division of Materials Sciences and Engineering, Office of Basic Energy
Sciences, US Department of Energy; Domestic Nuclear Detection Office in
the Department of Homeland Security
FX This research was carried out in the Center for Radiation Detection
Materials and Systems at ORNL and was supported in part by the Division
of Materials Sciences and Engineering, Office of Basic Energy Sciences,
US Department of Energy and the Domestic Nuclear Detection Office in the
Department of Homeland Security.
NR 11
TC 5
Z9 5
U1 1
U2 8
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
EI 1872-9576
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD JUL 1
PY 2011
VL 643
IS 1
BP 75
EP 78
DI 10.1016/j.nima.2011.04.010
PG 4
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 788KB
UT WOS:000292442700013
ER
PT J
AU Goldman, T
AF Goldman, Terry
TI On measurement and quantum nondemolition
SO PHYSICS TODAY
LA English
DT Letter
C1 Los Alamos Natl Lab, Los Alamos, NM USA.
RP Goldman, T (reprint author), Los Alamos Natl Lab, Los Alamos, NM USA.
EM tjgoldman@post.harvard.edu
NR 1
TC 0
Z9 0
U1 1
U2 2
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 JUL
PY 2011
VL 64
IS 7
BP 10
EP 11
PG 2
WC Physics, Multidisciplinary
SC Physics
GA 789AE
UT WOS:000292484900005
ER
PT J
AU Goldhaber, AS
Goldhaber, M
AF Goldhaber, Alfred Scharff
Goldhaber, Maurice
TI Clarifying Dirac and Majorana distinctions
SO PHYSICS TODAY
LA English
DT Letter
C1 [Goldhaber, Alfred Scharff] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Goldhaber, Maurice] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Goldhaber, AS (reprint author), SUNY Stony Brook, Stony Brook, NY 11794 USA.
NR 0
TC 0
Z9 0
U1 2
U2 2
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 JUL
PY 2011
VL 64
IS 7
BP 12
EP 12
PG 1
WC Physics, Multidisciplinary
SC Physics
GA 789AE
UT WOS:000292484900009
ER
PT J
AU Schmieder, RW
AF Schmieder, Robert W.
TI Albert Ghiorso obituary
SO PHYSICS TODAY
LA English
DT Biographical-Item
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Schmieder, RW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
NR 1
TC 0
Z9 0
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 JUL
PY 2011
VL 64
IS 7
BP 63
EP 64
PG 2
WC Physics, Multidisciplinary
SC Physics
GA 789AE
UT WOS:000292484900026
ER
PT J
AU Kryvych, S
Kleessen, S
Ebert, B
Kersten, B
Fisahn, J
AF Kryvych, Sergiy
Kleessen, Sabrina
Ebert, Bent
Kersten, Birgit
Fisahn, Joachim
TI Proteomics - The key to understanding systems biology of Arabidopsis
trichomes
SO PHYTOCHEMISTRY
LA English
DT Review
DE Single cell proteomics; Trichome; Arabidopsis thaliana; Systems biology
ID OVERLAPPING EXPRESSION PATTERNS; SINGLE-CELL LEVEL; GENE-EXPRESSION;
GLANDULAR TRICHOMES; SHOTGUN PROTEOMICS; EPIDERMAL-CELLS; PLANT
TRICHOMES; PRESSURE PROBE; THALIANA; BIOSYNTHESIS
AB Every multicellular organism consists of numerous organs, tissues and specific cell types. To gain detailed knowledge about the morphogenesis of these complex structures, it is inevitable to advance biochemical analyses to ultimate spatial and temporal resolution since individual cell types contribute differently to the overall performance of living objects. Single cell sampling combined with systems biological approaches was recently applied to investigations of Arabidopsis thaliana trichomes (leaf hairs). These are single celled structures that provide ideal model systems to address various aspects of plant cell development and differentiation at the level of individual cells. A previously suggested function of trichomes in plant stress responses could thus be confirmed. Furthermore, trichome-specific "omics" data collected in several laboratories are mutually conclusive which demonstrates the applicability of systems biological approaches at the single cell level. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Kryvych, Sergiy; Kleessen, Sabrina; Ebert, Bent; Kersten, Birgit; Fisahn, Joachim] Max Planck Inst Mol Plant Physiol, D-14476 Potsdam, Germany.
[Kryvych, Sergiy] German Inst Human Nutr, Dept Expt Diabetol, D-14558 Nuthetal, Germany.
[Ebert, Bent] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Kersten, Birgit] Johann Heinrich von Thuenen Inst, Fed Res Inst Rural Areas Forestry & Fisheries, Inst Forest Genet, D-22927 Grosshansdorf, Germany.
RP Fisahn, J (reprint author), Max Planck Inst Mol Plant Physiol, D-14476 Potsdam, Germany.
EM fisahn@mpimp-golm.mpg.de
RI Ebert, Berit/F-1856-2016;
OI Ebert, Berit/0000-0002-6914-5473; Kersten, Birgit/0000-0001-9900-9133
FU German Ministry for Education and Research (BMBF) [GABI-FUTURE: 0315046]
FX We thank Prof. Dr. Diego Mauricio Riano-Pachon for integration of
trichome-specific transcript and metabolite data into GabiPD. We highly
acknowledge Maren Imhoff for proof-reading the manuscript. This work was
supported by the German Ministry for Education and Research (BMBF)
(GABI-FUTURE: 0315046).
NR 70
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Z9 7
U1 0
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0031-9422
J9 PHYTOCHEMISTRY
JI Phytochemistry
PD JUL
PY 2011
VL 72
IS 10
SI SI
BP 1061
EP 1070
DI 10.1016/j.phytochem.2010.09.003
PG 10
WC Biochemistry & Molecular Biology; Plant Sciences
SC Biochemistry & Molecular Biology; Plant Sciences
GA 789SH
UT WOS:000292536100009
PM 20952039
ER
PT J
AU Fries, RJ
Nonaka, C
AF Fries, R. J.
Nonaka, C.
TI Evaluating results from the Relativistic Heavy Ion Collider with
perturbative QCD and hydrodynamics
SO PROGRESS IN PARTICLE AND NUCLEAR PHYSICS
LA English
DT Review
DE Relativistic heavy ion collisions; Quark gluon plasma; Quantum
chromodynamics; Relativistic hydrodynamics
ID QUARK-GLUON PLASMA; NUCLEUS-NUCLEUS COLLISIONS; RADIATIVE ENERGY-LOSS;
COLOR GLASS CONDENSATE; MULTIPLE PARTON SCATTERING; DEEP-INELASTIC
SCATTERING; LARGE TRANSVERSE-MOMENTUM; PROMPT PHOTON PRODUCTION;
ELLIPTIC FLOW; FRAGMENTATION FUNCTIONS
AB We review the basic concepts of perturbative quantum chromodynamics (QCD) and relativistic hydrodynamics, and their applications to hadron production in high energy nuclear collisions. We discuss results from the Relativistic Heavy Ion Collider (RHIC) in light of these theoretical approaches. Perturbative QCD and hydrodynamics together explain a large amount of experimental data gathered during the first decade of RHIC running, although some questions remain open. We focus primarily on practical aspects of the calculations, covering basic topics like perturbation theory, initial state nuclear effects, jet quenching models, ideal hydrodynamics, dissipative corrections, freeze-out and initial conditions. We conclude by comparing key results from RHIC to calculations. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Fries, R. J.] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA.
[Fries, R. J.] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
[Nonaka, C.] Nagoya Univ, Dept Phys, Nagoya, Aichi 464, Japan.
RP Fries, RJ (reprint author), Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA.
EM rjfries@comp.tamu.edu
FU US National Science Foundation [PHY-0847538]; Japanese Society for the
Promotion of Science (JSPS) [22740156, 22224003]; RIKEN/BNL Research
Center, DOE [DE-AC02-98CH10886]; Nagoya University [G07]
FX We like to thank R. Rodriguez for many useful discussions. This work was
supported by CAREER Award PHY-0847538 from the US National Science
Foundation, an Invited Fellowship for Research in Japan by the Japanese
Society for the Promotion of Science (JSPS), RIKEN/BNL Research Center,
DOE grant DE-AC02-98CH10886, and the Global COE Program "Quest for
Fundamental Principles in the Universe" of Nagoya University (G07),
Grant-in-Aid for Young Scientists (B) (22740156) and Grant-in-Aid for
Scientific Research (S) (22224003) and the JSPS Institutional Program
for Young Researcher Overseas Visits. R.J.F. would like to express his
gratitude to Chiho Nonaka and the Physics Department at Nagoya
University for their kind hospitality while part of this work was
completed.
NR 311
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U1 1
U2 6
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0146-6410
EI 1873-2224
J9 PROG PART NUCL PHYS
JI Prog. Part. Nucl. Phys.
PD JUL
PY 2011
VL 66
IS 3
BP 607
EP 660
DI 10.1016/j.ppnp.2010.12.001
PG 54
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 788VS
UT WOS:000292473100004
ER
PT J
AU Cui, WJ
Josyula, R
Li, JZ
Fu, ZQ
Sha, BD
AF Cui, Wenjun
Josyula, Ratnakar
Li, Jingzhi
Fu, Zhengqing
Sha, Bingdong
TI Membrane Binding Mechanism of Yeast Mitochondrial Peripheral Membrane
Protzein TIM44
SO PROTEIN AND PEPTIDE LETTERS
LA English
DT Article
DE Mitochondria; peripheral membrane protein; translocation; TIM23; Tim44
ID PROTEIN IMPORT MOTOR; C-TERMINAL DOMAIN; INNER MEMBRANE;
MYCOBACTERIUM-TUBERCULOSIS; PREPROTEIN TRANSLOCASE; EPOXIDE HYDROLASE;
ATPASE DOMAIN; HSP70; EVOLUTION; MTHSP70
AB The protein translocations across mitochondrial membranes are carried out by specialized complexes, the Translocase of Outer Membrane (TOM) and Translocase of Inner Membrane (TIM). TIM23 translocon is responsible for translocating the mitochondrial matrix proteins across the mitochondrial inner membrane. Tim44 is an essential, peripheral membrane protein in TIM23 complex. Tim44 is tightly associated with the inner mitochondrial membrane on the matrix side. The Tim44 C-Terminal Domain (CTD) functions as an Inner Mitochondrial Membrane (IMM) anchor that recruits the Presequence protein Associated Motor (PAM) to the TIM23 channel. Using X-ray crystallographic and biochemical data, we show that the N-terminal helices A1 and A2 of Tim44 - CTD are crucial for its membrane tethering function. Based on our data, we propose a model showing how the N-terminal A1 and A2 amphipathic helices can either expose their hydrophobic face during membrane binding or conceal it in the soluble form. Therefore, the A1 and A2 helices of Tim44 may function as a membrane sensor.
C1 [Cui, Wenjun; Josyula, Ratnakar; Li, Jingzhi; Sha, Bingdong] Univ Alabama, Dept Cell Biol, Birmingham, AL 35294 USA.
[Fu, Zhengqing] Argonne Natl Lab, APS, SER CAT, Argonne, IL 60439 USA.
RP Sha, BD (reprint author), Univ Alabama, Dept Cell Biol, MCLM 364,1918 Univ Blvd, Birmingham, AL 35294 USA.
EM bdsha@uab.edu
RI Josyula, Ratnakar/B-6020-2013
NR 28
TC 3
Z9 3
U1 1
U2 4
PU BENTHAM SCIENCE PUBL LTD
PI SHARJAH
PA EXECUTIVE STE Y26, PO BOX 7917, SAIF ZONE, 1200 BR SHARJAH, U ARAB
EMIRATES
SN 0929-8665
J9 PROTEIN PEPTIDE LETT
JI Protein Pept. Lett.
PD JUL
PY 2011
VL 18
IS 7
BP 718
EP 725
PG 8
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 792PV
UT WOS:000292760900010
PM 21342097
ER
PT J
AU Lockard, MA
Listwan, P
Pedelacq, JD
Cabantous, S
Nguyen, HB
Terwilliger, TC
Waldo, GS
AF Lockard, Meghan A.
Listwan, Pawel
Pedelacq, Jean-Denis
Cabantous, Stephanie
Nguyen, Hau B.
Terwilliger, Thomas C.
Waldo, Geoffrey S.
TI A high-throughput immobilized bead screen for stable proteins and
multi-protein complexes
SO PROTEIN ENGINEERING DESIGN & SELECTION
LA English
DT Article
DE chemical lysis; high-throughput screening; IMAC beads; protein tagging;
split GFP
ID GREEN FLUORESCENT PROTEIN; TELOMERASE REVERSE-TRANSCRIPTASE;
ESCHERICHIA-COLI; RECOMBINANT PROTEINS; STRUCTURAL GENOMICS; SOLUBLE
EXPRESSION; CRYSTAL-STRUCTURE; DIRECTED EVOLUTION; GENETIC SELECTION;
MAMMALIAN-CELLS
AB We describe an in vitro colony screen to identify Escherichia coli expressing soluble proteins and stable, assembled multiprotein complexes. Proteins with an N-terminal 6His tag and C-terminal green fluorescent protein (GFP) S11 tag are fluorescently labeled in cells by complementation with a coexpressed GFP 1-10 fragment. After partial colony lysis, the fluorescent soluble proteins or complexes diffuse through a supporting filtration membrane and are captured on Talon (R) resin metal affinity beads immobilized in agarose. Images of the fluorescent colonies convey total expression and the level of fluorescence bound to the beads indicates how much protein is soluble. Both pieces of information can be used together when selecting clones. After the assay, colonies can be picked and propagated, eliminating the need to make replica plates. We used the method to screen a DNA fragment library of the human protein p85 and preferentially obtained clones expressing the full-length 'breakpoint cluster region-homology' and NSH2 domains. The assay also distinguished clones expressing stable multi-protein complexes from those that are unstable due to missing subunits. Clones expressing stable, intact heterotrimeric E. coli YheNML complexes were readily identified in libraries dominated by complexes of YheML missing the N subunit.
C1 [Lockard, Meghan A.; Listwan, Pawel; Pedelacq, Jean-Denis; Cabantous, Stephanie; Nguyen, Hau B.; Terwilliger, Thomas C.; Waldo, Geoffrey S.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
[Pedelacq, Jean-Denis] CNRS, IPBS, F-31077 Toulouse, France.
[Pedelacq, Jean-Denis] Univ Toulouse, UPS, IPBS, F-31077 Toulouse, France.
[Cabantous, Stephanie] Canc Res Ctr Toulouse, INSERM, UMR1037, F-31052 Toulouse, France.
[Cabantous, Stephanie] Univ Toulouse, F-31052 Toulouse, France.
[Cabantous, Stephanie] Inst Claudius Regaud, F-31052 Toulouse, France.
RP Waldo, GS (reprint author), Los Alamos Natl Lab, Biosci Div, MS M888,POB 1663, Los Alamos, NM 87545 USA.
EM waldo@lanl.gov
RI Pedelacq, Jean-Denis/C-6053-2011; Terwilliger, Thomas/K-4109-2012;
Cabantous, Stephanie/M-3282-2014
OI Terwilliger, Thomas/0000-0001-6384-0320; Cabantous,
Stephanie/0000-0002-8406-9421
FU National Institutes of Health's Protein Structure Initiative
[5U54GM074946-4]; Biosciences Division of Los Alamos National
Laboratories
FX This work was supported by the National Institutes of Health's Protein
Structure Initiative (grant number 5U54GM074946-4). Funding to pay the
Open Access publication charges for this article was provided by
Biosciences Division of Los Alamos National Laboratories.
NR 54
TC 6
Z9 6
U1 0
U2 16
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 1741-0126
J9 PROTEIN ENG DES SEL
JI Protein Eng. Des. Sel.
PD JUL
PY 2011
VL 24
IS 7
BP 565
EP 578
DI 10.1093/protein/gzr021
PG 14
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA 790CW
UT WOS:000292567100004
PM 21642284
ER
PT J
AU Santero, NJ
Masanet, E
Horvath, A
AF Santero, Nicholas J.
Masanet, Eric
Horvath, Arpad
TI Life-cycle assessment of pavements. Part I: Critical review
SO RESOURCES CONSERVATION AND RECYCLING
LA English
DT Review
DE Life-cycle assessment (LCA); Pavements; Climate Change; Energy; Asphalt;
Concrete
ID CONSTRUCTION; ASPHALT
AB The rapidly expanding set of pavement life-cycle assessments (LCAs) available in the literature represents the growing interest in improving the sustainability of this critical infrastructure system. The existing literature establishes a foundational framework for quantifying environmental impact, but fails to deliver global conclusions regarding materials choices, maintenance strategies, design lives, and other best-practice policies for achieving sustainability goals. In order to comprehensively quantify environmental footprints and effectively guide sustainability efforts, functional units need to be standardized, systems boundaries expanded, data quality and reliability improved, and study scopes broadened. Improving these deficiencies will allow future studies to perform equitable and comparable assessments, thus creating a synergistic set of literature that continuously builds upon itself rather than generates independent and isolated conclusions. These improvements will place the body of pavement LCA research in a better position to confidently lead private industry and government agencies on successful paths towards sustainability goals. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Santero, Nicholas J.] MIT, Dept Civil & Environm Engn, Cambridge, MA 02139 USA.
[Masanet, Eric] Univ Calif Berkeley, Lawrence Berkeley Lab, Energy Anal Dept, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Horvath, Arpad] Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
RP Santero, NJ (reprint author), MIT, Dept Civil & Environm Engn, 77 Massachusetts Ave,Bldg 5-417, Cambridge, MA 02139 USA.
EM nsantero@mit.edu; ermasanet@lbl.gov; horvath@ce.berkeley.edu
RI Masanet, Eric /I-5649-2012
FU University of California, Berkeley; Portland Cement Association under
U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Sustainable Products and Solutions
Program at the University of California, Berkeley, and the Portland
Cement Association under U.S. Department of Energy Contract No.
DE-AC02-05CH11231.
NR 33
TC 70
Z9 71
U1 7
U2 55
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0921-3449
EI 1879-0658
J9 RESOUR CONSERV RECY
JI Resour. Conserv. Recycl.
PD JUL-AUG
PY 2011
VL 55
IS 9-10
BP 801
EP 809
DI 10.1016/j.resconrec.2011.03.010
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 793XF
UT WOS:000292856500001
ER
PT J
AU Santero, NJ
Masanet, E
Horvath, A
AF Santero, Nicholas J.
Masanet, Eric
Horvath, Arpad
TI Life-cycle assessment of pavements Part II: Filling the research gaps
SO RESOURCES CONSERVATION AND RECYCLING
LA English
DT Review
DE Life-cycle assessment (LCA); Pavements; Climate change; Energy; Asphalt;
Concrete
ID POLYCYCLIC AROMATIC-HYDROCARBONS; RECLAIMED ASPHALT PAVEMENT; PARKING
LOT SEALCOAT; UNRECOGNIZED SOURCE; CONCRETE; CONSTRUCTION; STRATEGIES;
IMPACTS; DESIGN
AB As life-cycle assessment (LCA) increasingly is used to evaluate the environmental footprint of pavements, there is growing need to critique the state and utility of the supporting science. LCA is a data-intensive methodology that requires inputs and models from a variety of different scientific fields. While some data sources are mature, others are products of nascent and inexact research. Within pavement LCAs, traffic delay, rolling resistance, concrete carbonation, pavement albedo, lighting. leachate, and end of life allocation are areas where the supporting science is incomplete or is ineffectively incorporated into the pavement LCA framework. These components produce quantitative gaps in the assessment methodology, thus jeopardizing the accuracy of results and defensibility of conclusions. Benchmarking where the science stands allows practitioners to perform LCAs while incorporating the best available information, including best estimates and gross evaluations of the uncertainty. Moreover, identifying weaknesses in the fields that support pavement LCAs provides a transparent assessment framework and generates a focused research direction moving forward. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Santero, Nicholas J.] MIT, Dept Civil & Environm Engn, Cambridge, MA 02139 USA.
[Masanet, Eric] Univ Calif Berkeley, Lawrence Berkeley Lab, Energy Anal Dept, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Horvath, Arpad] Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
RP Santero, NJ (reprint author), MIT, Dept Civil & Environm Engn, 77 Massachusetts Ave,Bldg 5-417, Cambridge, MA 02139 USA.
EM nsantero@mit.edu; ermasanet@lbl.gov; horvath@ce.berkeley.edu
RI Masanet, Eric /I-5649-2012
FU University of California, Berkeley; Portland Cement Association under
U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Sustainable Products and Solutions
Program at the University of California, Berkeley, and the Portland
Cement Association under U.S. Department of Energy Contract No.
DE-AC02-05CH11231.
NR 80
TC 39
Z9 39
U1 3
U2 40
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0921-3449
EI 1879-0658
J9 RESOUR CONSERV RECY
JI Resour. Conserv. Recycl.
PD JUL-AUG
PY 2011
VL 55
IS 9-10
BP 810
EP 818
DI 10.1016/j.resconrec.2011.03.009
PG 9
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 793XF
UT WOS:000292856500002
ER
PT J
AU Shet, S
Ahn, KS
Nuggehalli, R
Yan, YF
Turner, J
Al-Jassim, M
AF Shet, Sudhakar
Ahn, Kwang-Soon
Nuggehalli, Ravindra
Yan, Yanfa
Turner, John
Al-Jassim, Mowafak
TI Phase separation in Ga and N co-incorporated ZnO films and its effects
on photo-response in photoelectrochemical water splitting
SO THIN SOLID FILMS
LA English
DT Article
DE Zinc oxide; Sputtering; Phase separation; Co-doping; Gas ambient;
Photoelectrochemistry; X-ray diffraction; Band gap
ID TITANIUM-DIOXIDE; ELECTRODES; HYDROGEN; CELLS; PHOTOCATALYSIS
AB Ga and N co-incorporated ZnO thin films [ZnO:(Ga:N)] with reduced bandgaps were deposited by co-sputtering at different N-2 gas flow rate in mixed N-2 and O-2 ambient at room temperature followed by postannealing at 500 degrees C in air for 2 h. We found that all of the ZnO:(Ga:N) films exhibited enhanced crystallinity which can suppress the recombination rate between the photogenerated electrons and holes. However, phase segregation of Zn3N2 occurred in ZnO:(Ga:N) thin films in nitrogen-rich sputtering ambient. We found that ZnO:(Ga:N) thin films without phase separation of Zn3N2 exhibited much better photoelectrochemical (PEC) response, due to the reduced bandgap and better crystallinity. Our results suggest that growth conditions must be controlled carefully to avoid phase separation in Ga and N co-incorporated ZnO thin films to improve PEC response. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Shet, Sudhakar; Yan, Yanfa; Turner, John; Al-Jassim, Mowafak] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Shet, Sudhakar; Nuggehalli, Ravindra] New Jersey Inst Technol, Newark, NJ 07102 USA.
[Ahn, Kwang-Soon] Yeungnam Univ Gyeongsan, Sch Display & Chem Engn, Kyongsan 712749, South Korea.
RP Shet, S (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM sudhakar.shet@nrel.gov
RI Dom, Rekha/B-7113-2012
FU U.S. Department of Energy (DOE) [DE-AC36-08GO28308]
FX This work is supported by the U.S. Department of Energy (DOE) under
contract # DE-AC36-08GO28308.
NR 28
TC 16
Z9 16
U1 4
U2 43
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0040-6090
J9 THIN SOLID FILMS
JI Thin Solid Films
PD JUL 1
PY 2011
VL 519
IS 18
BP 5983
EP 5987
DI 10.1016/j.tsf.2011.03.050
PG 5
WC Materials Science, Multidisciplinary; Materials Science, Coatings &
Films; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Physics
GA 790GM
UT WOS:000292576500024
ER
PT J
AU Zhu, KK
Sun, JM
Liu, J
Wang, LQ
Wan, HY
Hu, JZ
Wang, Y
Peden, CHF
Nie, ZM
AF Zhu, Kake
Sun, Junming
Liu, Jun
Wang, Liqiong
Wan, Haiying
Hu, Jianzhi
Wang, Yong
Peden, Charles H. F.
Nie, Zimin
TI Solvent Evaporation Assisted Preparation of Oriented Nanocrystalline
Mesoporous MFI Zeolites
SO ACS CATALYSIS
LA English
DT Article
DE ZSM-5; zeolites; hierarchical structure; mesoporous; catalyst; acetone;
isobutene
ID HYPERPOLARIZED XE-129 NMR; HIERARCHICAL ZEOLITES; SINGLE-CRYSTALS;
CATALYTIC-PROPERTIES; ALKYL CHAINS; SILICA; ZSM-5; MESOSTRUCTURES;
TEMPLATE; ROUTE
AB A solvent evaporation route to produce hierarchically porous zeolites with an oriented MFI nanocrystalline structure has been developed, and the method is scalable and low cost. In this method, haadecyltrimethoxysilane is added to an ethanol Solution containing zeolitic precursors. A dry gel is formed during the evaporation process. Subsequent hydrothermal treatments produce the hierarchically porous zeolite. High resolution transmission electron microscopy (HRTEM) studies suggest that misoriented zeolite nuclei are produced in the early stages of the hydrothermal treatment, but further reactions lead to single crystal-like aggregates composed of intergrowth nanocrystals with a mean interparticle pore diameter of 12 nm. Almost all Al atoms exist in tetrahedral sites, as confirmed by (27)Al magic angle spinning nuclear magnetic resonance (MAS NMR). Variable temperature: hyperpolarized (HP) (129)Xe NMR spectroscopy suggests a fast molecular diffusion process from the interconnection, between micro- and mesopores. Catalytic conversion of acetone to isobutene reactions shows comparable (with respect to conventional zeolites) selectivity to isobutene. However, hierarchically porous zeolites display enhanced activity and durability because of the more accessible acidic sites in the hierarchically porous structures.
C1 [Zhu, Kake; Sun, Junming; Liu, Jun; Wang, Liqiong; Wan, Haiying; Hu, Jianzhi; Wang, Yong; Peden, Charles H. F.; Nie, Zimin] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Liu, J (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM jun.liu@pnl.gov
RI Hu, Jian Zhi/F-7126-2012; Sun, Junming/B-3019-2011; Wang,
Yong/C-2344-2013;
OI Sun, Junming/0000-0002-0071-9635; Peden, Charles/0000-0001-6754-9928
FU U.S. Department of Energy (DOE), Office of Basic Energy Sciences,
Division of Chemical Sciences; U.S. Department of Energy (DOE) Office of
Biological and Environmental Research; DOE by Battelle
[DE-AC05-76RL01830]; office of Basic Sciences of the U.S. Department of
Energy
FX We gratefully acknowledge the U.S. Department of Energy (DOE), Office of
Basic Energy Sciences, Division of Chemical Sciences, for supporting
this work.; The TEM work described in this paper was performed at the
Environmental Molecular Sciences 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 for DOE by Battelle under
contract number DE-AC05-76RL01830. This research is supported by the
office of Basic Sciences of the U.S. Department of Energy.
NR 45
TC 34
Z9 34
U1 9
U2 75
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 682
EP 690
DI 10.1021/cs200085e
PG 9
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400002
ER
PT J
AU Mukherjee, D
Thompson, RR
Ellern, A
Sadow, AD
AF Mukherjee, Debabrata
Thompson, Richard R.
Ellern, Arkady
Sadow, Aaron D.
TI Coordinatively Saturated Tris(oxazolinyl)borato Zinc Hydride-Catalyzed
Cross Dehydrocoupling of Silanes and Alcohols
SO ACS CATALYSIS
LA English
DT Article
DE silane alcoholysis; alkoxysilane; zinc hydride; oxazoline;
dehydrocoupling
ID HYDROSILYLATION; COMPLEXES; HYDROSILANES; POLYMETHYLHYDROSILOXANE;
DERIVATIVES; SILYLATION; ACTIVATION; REACTIVITY; CONVERSION; REDUCTION
AB The four-coordinate zinc compound To(M)ZnH (1, To(M) = tris(4,4-dimethyl-2-oxazolinyl)phenylborate) catalyzes selective alcoholysis of substituted hydrosilanes. The catalytic reaction of PhMeSiH(2) and aliphatic alcohols favors the monodehydrocoupled product PhMeHSi-OR With the aryl alcohol 3,5-C(6)H(3)Me(2)OH; the selectivity for mono(aryloxy)-hydrosilane PhMeHSi-OC(6)H(3)Me(2) and bis(aryloxy)silane PhMeSi-(OC(6)H(3)Me(2))(2) is controlled by relative reagent concentrations. Reactions of secondary organosilanes and diols provide cyclic bis(oxo)silacycloalkanes in high yield. The empirical rate law for the To(M)ZnH-catalYzed.reaction of 3,5-dimethylphenol and PhMeSiH(2) is d[PhMeSiH(2)]/dt = k'(obs)[To(M)ZnH](1)[3,5-C(6)H(3)Me(2)OH](0)-, [PhMeSiH(2)](1) (determined at 96 degrees C)which indicates that Si-O bond formation is turnover limiting in the presence of excess phenol.
C1 [Sadow, Aaron D.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
RP Sadow, AD (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
EM sadow@iastate.edu
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences, and Biosciences through the Ames
Laboratory [DE-AC02-07CH11358]
FX This research was supported by the U.S. Department of Energy, Office of
Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and
Biosciences through the Ames Laboratory (Contract No.
DE-AC02-07CH11358).
NR 34
TC 38
Z9 38
U1 2
U2 22
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 698
EP 702
DI 10.1021/cs2001016
PG 5
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400004
ER
PT J
AU Klobukowski, ER
Mueller, ML
Angelici, RJ
Woo, LK
AF Klobukowski, Erik R.
Mueller, Mallory L.
Angelici, Robert J.
Woo, L. Keith
TI Conversions of Cyclic Amines to Nylon Precursor Lactams Using Bulk Gold
and Fumed Silica Catalysts
SO ACS CATALYSIS
LA English
DT Article
DE gold; oxidative-dehydrogenation; catalysis; amidine; hydrolysis; amine;
caprolactam; nylon
ID NON-NANOGOLD CATALYSIS; SECONDARY-AMINES; EPSILON-CAPROLACTAM; AEROBIC
OXIDATION; SUPPORTED GOLD; ISOCYANIDES; HYDROLYSIS; CHEMISTRY; IMINES;
OXYGEN
AB Bulk gold powder (similar to 50 mu m) and alumina-supported gold catalyzed the oxidative dehydrogedation of 5-, 6-, and 7-membered cyclic amines to amidines. These amidines were hydrolyzed upon treatment with Aerosil 200 (fumed silica gel) and water, producing lactams in 42-73% yields and amines in 36-63% yields. The gold and Aerosil 200 catalysts could also be combined in a one-Pot reaction to catalyze the conversion of cyclic amines to lactams in yields up to 51%.
C1 [Angelici, Robert J.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
RP Angelici, RJ (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM angelici@iastate.edu; kwoo@iastate.edu
FU U.S. Department of Energy [DE-AC02-07CH11358]; Iowa State University
FX This research was supported by the U.S. Department of Energy under
contract No. DE-AC02-07CH11358 with Iowa State University. The Ames Lab
provided SULI support for M.L.M.
NR 34
TC 18
Z9 18
U1 0
U2 14
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 703
EP 708
DI 10.1021/cs200120c
PG 6
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400005
ER
PT J
AU Tsai, CH
Chen, HT
Althaus, SM
Mao, KM
Kobayashi, T
Pruski, M
Lin, VSY
AF Tsai, Chih-Hsiang
Chen, Hung-Ting
Althaus, Stacey M.
Mao, Kanmi
Kobayashi, Takeshi
Pruski, Marek
Lin, Victor S. -Y.
TI Rational Catalyst Design: A Multifunctional Mesoporous Silica Catalyst
for Shifting the Reaction Equilibrium by Removal of Byproduct
SO ACS CATALYSIS
LA English
DT Article
DE heterogeneous catalysis; rational catalyst design; mesoporous materials;
fluorinated surface; esterification; solid-state NMR
ID COOPERATIVE CATALYSIS; FUNCTIONAL-GROUPS; SINGLE-SITE; ACID;
ESTERIFICATION; EFFICIENT; NANOSPHERE; TRANSESTERIFICATION;
ENANTIOSELECTIVITY; CONDENSATION
AB Bifunctional mesoporous silica nanoparticle (MSN) catalysts for esterification reaction, containing a Bronsted acid site of diarylammonium triflate (DAT) and a pentafluorophenyl propyl (PFP) group, were synthesized and thoroughly characterized. Their high reactivity is attributed to the formation of a surface-bound hydro, phobic layer of PFP molecules, which facilitates the extrusion of one of the reaction products (water) from the mesopores by suppressing water adsorption onto the surface, thereby shifting the reaction equilibrium to completion.
C1 [Tsai, Chih-Hsiang; Chen, Hung-Ting; Althaus, Stacey M.; Mao, Kanmi; Pruski, Marek; Lin, Victor S. -Y.] Iowa State Univ, Dept Chem, Ames, IA 50010 USA.
[Chen, Hung-Ting; Althaus, Stacey M.; Mao, Kanmi; Kobayashi, Takeshi; Pruski, Marek; Lin, Victor S. -Y.] Ames Lab, Ames, IA 50010 USA.
RP Chen, HT (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50010 USA.
EM hungting@iastate.edu; mpruski@iastate.edu
FU U.S. Department of Energy, Office of Basic Energy Sciences at Ames
Laboratory [DE-AC02-07CH11358]; U.S. Department of Energy, Office of
Basic Energy Sciences Center for Catalytic Hydrocarbon
Functionalization, an Energy Frontier Research Center [DE-SC0001298]
FX This research was supported by the U.S. Department of Energy, Office of
Basic Energy Sciences under Contract No. DE-AC02-07CH11358 (at Ames
Laboratory) and under Award Number DE-SC0001298 (as part of the Center
for Catalytic Hydrocarbon Functionalization, an Energy Frontier Research
Center).
NR 33
TC 17
Z9 17
U1 0
U2 23
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 729
EP 732
DI 10.1021/cs200222t
PG 4
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400008
ER
PT J
AU Pruski, M
Woo, LK
Lin, WB
AF Pruski, Marek
Woo, L. Keith
Lin, Wenbin
TI Preface to Memorial Issue in Honor of Professor Victor S.-Y. Lin
SO ACS CATALYSIS
LA English
DT Biographical-Item
C1 [Pruski, Marek; Woo, L. Keith] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
[Pruski, Marek; Woo, L. Keith] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Lin, Wenbin] Univ N Carolina, Dept Chem, Chapel Hill, NC 27515 USA.
RP Pruski, M (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
NR 1
TC 0
Z9 0
U1 1
U2 3
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 734
EP 735
DI 10.1021/cs200241q
PG 2
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400010
ER
PT J
AU Appel, AM
Pool, DH
O'Hagan, M
Shaw, WJ
Yang, JY
DuBois, MR
DuBois, DL
Bullock, RM
AF Appel, Aaron M.
Pool, Douglas H.
O'Hagan, Molly
Shaw, Wendy J.
Yang, Jenny Y.
DuBois, M. Rakowski
DuBois, Daniel L.
Bullock, R. Morris
TI [Ni((P2N22BN)-N-Ph)(2)(CH3CN)](2+) as an Electrocatalyst for H-2
Production: Dependence on Add Strength and Isomer Distribution
SO ACS CATALYSIS
LA English
DT Article
DE electrocatalysis; catalyst; hydrogen production; pendant amine; PCET;
potential
ID COUPLED ELECTRON-TRANSFER; MOLECULAR CATALYSTS; H BOND; HYDROGEN;
COMPLEXES; OXIDATION; BASES; WATER
AB [(NiP2N22BN)-N-Ph)(2) (CH3CN)](2+) (where (P2N2BN)-N-Ph is 1,5-dilienzy1-3,7-diphenyl-1,5-diaza-3,7-diphosphacydooctane), has been studied as an electrocatalyst for the production of hydrogen in acetonitrile. Strong acids, such as p-cyanoanilinium, protonate [Ni((P2N22BN)-N-Ph)(2)(CH3CN)](2+) prior to reduction under catalytic conditions, and an effective plc of 6.7 +/- 0.4 was determined for the protonation product. Through multinuclear NMR spectroscopy studies, the nickel(II) complex was found to be doubly protonated without any observed singly protonated species. In the doubly protonated complex, both protons are positioned exo with respect to the metal center and are stabilized by an N-H-N hydrogen bond. The formation of exo protonated isomers is proposed to hunt the rate of hydrogen production because the protons are unable to gain suitable proximity to the reduced metal center to generate H-2: Preprotonation of [Ni((P2N2BN2)-N-Ph)(2)(CH3CN)](2+) has been found to shift the catalytic operating potential to more positive potentials by up to 440 mV, depending upon the conditions. The half-wave potential for the catalytic production of H2 depends linearly on the pH of the solution and indicates a proton-coupled electron transfer reaction. The overpotential remains low and nearly constant at 74 +/- 44 mV over the pH range of 6.2-11.9. The catalytic rate was found to increase by an order of magnitude by increasing the, solution pH or through the addition of water.
C1 [Appel, Aaron M.; Pool, Douglas H.; O'Hagan, Molly; Shaw, Wendy J.; Yang, Jenny Y.; DuBois, M. Rakowski; DuBois, Daniel L.; Bullock, R. Morris] Pacific NW Natl Lab, Ctr Mol Electrocatalysis, Richland, WA 99352 USA.
RP Appel, AM (reprint author), Pacific NW Natl Lab, Ctr Mol Electrocatalysis, POB 999,K2-57, Richland, WA 99352 USA.
EM aaron.appel@pnl.gov; daniel.dubois@pnl.gov
RI Bullock, R. Morris/L-6802-2016;
OI Bullock, R. Morris/0000-0001-6306-4851; Appel, Aaron/0000-0002-5604-1253
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences
FX The authors thank Dr. Herman Cho for helpful discussions about 2D NMR
data. This research was supported as part of the Center for Molecular
Electrocatalysis, an Energy Frontier Research Center funded by the U.S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences. Pacific Northwest National Laboratory is operated by Battelle
for the U.S. Department of Energy.
NR 32
TC 60
Z9 60
U1 1
U2 22
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 777
EP 785
DI 10.1021/cs2000939
PG 9
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400015
ER
PT J
AU Sedai, B
Diaz-Urrutia, C
Baker, RT
Wu, RL
Silks, LA
Hanson, SK
AF Sedai, Baburam
Diaz-Urrutia, Christian
Baker, R. Tom
Wu, Ruilian
Silks, L. A. Pete
Hanson, Susan K.
TI Comparison of Copper and Vanadium Homogeneous Catalysts for Aerobic
Oxidation of Lignin Models
SO ACS CATALYSIS
LA English
DT Article
DE lignin models; vanadium; copper; aerobic oxidation; lignocellulose
ID MOLECULAR-OXYGEN ACTIVATION; ALPHA-HYDROXY ESTERS; PRIMARY ALCOHOLS;
PHANEROCHAETE-CHRYSOSPORIUM; FRAGMENTATION REACTIONS; MANGANESE
PEROXIDASE; STEP CONVERSION; BOND-CLEAVAGE; IONIC LIQUID; ALDEHYDES
AB The reactivity of copper and vanadium catalysts toward the aerobic oxidation of lignin models has been explored. Both (dipic)V(V)(0)(O(i)Pr) (3) (dipic = dipicolinate) and CuCl/TEMPO (TEMPO = tetramethylpiperidine N-oxide) catalyzed the aerobic oxidation of the lignin model compound 1,2-diphenyl-2-methoxyethanol (2). The vanadium catalyst 3 pro-The copper catalyzed reaction afforded benzaldehyde (84%) and methylbenzoate (88%) directly, with no intermediate formation of 4. The more complex lignin model system 1-(3,5-dimethoxypheny1)-2-(2-methoxyphenoxy)propane-1,3-diol-[2,3)(13)C(2)] (5-(13)C(2)) was oxidized under air by vanadium catalyst 3, affording ketone 7-(13)C(2) (65%), dehydrated ketone 8-(13)C(2) (5%), alkene product 9-(13)C(2) (14%), 3,5-dirnethoxybenzoic acid (11%), 3,5-dimethoxybenzaldehyde (2%), 2-methoxyphenol, and formic acid-(13)C(1) (4%). Aerobic oxidation of ketone 7-(13)C(2) using catalyst 3 produced dehydrated ketone, 8-(13)C(2), dimethoxybenzoic acid, and formic acid (13)C(1), suggesting that 7 is further oxidized under the catalytic conditions. In contrast, oxidation of beta-O-4 model 5-(13)C(2) using, CuCl/TEMPO affords 3,5-dimethoxybenzaldehyde (43%), 3,5-dimethoxybenzoic acid (13%), 2-methoxyphenol (7%), formic acid (13)C(1) (7%), ketone 7(13)C(2) (1%), dehydrated ketone 8-(13)C(2) (2%), and a number of higher molecular weight products, as determined by (1)H and (13)C NMR, GC-MS, and LC-MS. Attempted oxidation of ketone 7 using CuCl/TEMPO yielded primarily dehydrated ketone 8, indicating that the ketone is not an intermediate in the formation of the aldehyde product The reactivities of the copper and vanadium catalysts in the oxidation of lignin model compounds 2 and 5 are discussed. Remarkably different selectivities were observed for the vanadium and copper catalyzed reactions, suggesting the potential of homogeneous catalysts for controlling selectivity in the aerobic oxidation of lignin.
C1 [Hanson, Susan K.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Wu, Ruilian; Silks, L. A. Pete] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
[Sedai, Baburam; Diaz-Urrutia, Christian; Baker, R. Tom] Univ Ottawa, Dept Chem, Ottawa, ON K1N 6N5, Canada.
[Sedai, Baburam; Diaz-Urrutia, Christian; Baker, R. Tom] Univ Ottawa, Ctr Catalysis Res & Innovat, Ottawa, ON K1N 6N5, Canada.
RP Hanson, SK (reprint author), Los Alamos Natl Lab, Div Chem, POB 1663, Los Alamos, NM 87545 USA.
EM skhanson@lanl.gov
OI Silks, Pete/0000-0002-2993-5630
FU Los Alamos National Laboratory LDRD [ER 20100160]; Center for Enabling
New Technologies through Catalysis [CHE-0650456]
FX S.K.H., R.W., and L.A.S. thank Los Alamos National Laboratory LDRD for
funding (ER 20100160). R.T.B. thanks Lignoworks, the NSERC Biomaterials
and Chemicals Research Network, for funding of this work. We also thank
the Center for Enabling New Technologies through Catalysis (CHE-0650456)
for support.
NR 66
TC 66
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U1 12
U2 126
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 794
EP 804
DI 10.1021/cs200149v
PG 11
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400017
ER
PT J
AU Ma, Z
Dai, S
AF Ma, Zhen
Dai, Sheng
TI Design of Novel Structured Gold Nanocatalysts
SO ACS CATALYSIS
LA English
DT Article
DE gold nanoparticles; catalyst design; gold catalysis; CO oxidation;
core-shell structure
ID TEMPERATURE CO OXIDATION; GAS SHIFT REACTION; AU-FE3O4 DUMBBELL
NANOPARTICLES; MESOPOROUS SILICA MATERIALS; ANALYTICAL TEM OBSERVATION;
HIGHLY EFFICIENT CATALYST; NIAU ALLOY NANOPARTICLES; POROUS CARBON
SHELL; IN-SITU SURFACTANT; NANOCLUSTER CATALYSTS
AB Small gold nanoparticles dispersed on certain oxide supports exhibit unprecedented catalytic activities in low-temperature CO oxidation, and gold catalysts show a great potential for selective oxidation or hydrogenation of organic substrates. Nevertheless, most gold catalysts (e.g., Au/ TiO2, Au/Al2O3, Au/Fe2O3, Au/SiO2, Au/CeO2) have been prepared by loading gold on unmodified or modified solid supports through traditional synthesis methodologies (e.g., deposition precipitation, wet impregnation), therefore having simple metal-on-support structures and metal-support interactions. The current Perspective highlights some recent progress in the design of novel structured gold nanocatalysts, including unsupported or supported core shell or yolk hell structures, gold nanoparticles encapsulated in an inorganic matrix, postmodified gold catalysts, gold-based,alloy catalysts, and gold catalysts with additional interfacial sites (or metal mode components) carried to supports or formed in situ on supports. The objective of most of these studies Was to demonstrate synthetic protocols by testing the catalytic performance, of the prepared catalysts in simple probe reactions, and the focus was more on materials synthesis than on catalytic reactions or reaction mechanisms. These novel structured gold catalysts will certainly bring new opportunities for studying their performance in various catalytic reactions, the nature of active sites, reaction mechanisms, and correlations between structure and catalytic properties.
C1 [Ma, Zhen] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China.
[Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Ma, Z (reprint author), Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China.
EM zhenma@fudan.edu.cn; dais@ornl.gov
RI Ma, Zhen/F-1348-2010; Dai, Sheng/K-8411-2015
OI Ma, Zhen/0000-0002-2391-4943; Dai, Sheng/0000-0002-8046-3931
FU National Science Foundation of China [21007011]; Ministry of Education
in China [20100071120012]; Division of Chemical Sciences, Geosciences,
and Biosciences, Office of Basic Energy Sciences, U.S. Department of
Energy; U.S. Department of Energy [DE-AC0S-00OR22725]
FX Z. Ma is grateful for the financial support by the National Science
Foundation of China (Grant No. 21007011) and the Doctoral Fund of
Ministry of Education in China (Grant No. 20100071120012). S. Dai was
supported by the Division of Chemical Sciences, Geosciences, and
Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy.
The Oak Ridge National Laboratory is managed by UT-Battelle, LLC for the
U.S. Department of Energy under Contract DE-AC05-00OR22725. Many
colleagues working in the field of gold catalysis are acknowledged. In
particular, the laboratory work of Dr. Wenfu Yan, Dr. Haoguo Zhu, Dr.
Hongfeng Yin, Dr. Shenghu Zhou, and Dr. J. Chris Bauer makes the current
literature review possible. This article is in memory of the late
Professor Victor S. Y. Lin for his friendship and research passion.
NR 198
TC 77
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U1 18
U2 300
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 805
EP 818
DI 10.1021/cs200100w
PG 14
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400018
ER
PT J
AU Kaur, P
Hupp, JT
Nguyen, ST
AF Kaur, Parminder
Hupp, Joseph T.
Nguyen, SonBinh T.
TI Porous Organic Polymers in Catalysis: Opportunities and Challenges
SO ACS CATALYSIS
LA English
DT Article
DE porous organic polymers; conjugated porous polymers; hyper-cross-linked
polymers; heterogeneous catalysis
ID MOLECULARLY IMPRINTED POLYMERS; INTRINSIC MICROPOROSITY PIMS; ULTRAHIGH
SURFACE-AREA; GEL-PERMEATION CHROMATOGRAPHY; NANOPOROUS NETWORK
POLYMERS; HETEROGENEOUS CATALYSIS; PORPHYRIN FILMS; PORE-SIZE;
INTERFACIAL POLYMERIZATION; IONOTHERMAL SYNTHESIS
AB Porous organic polymers (POPs), a class of highly crosslinked, amorphous polymers possessing micropores, have recently emerged as a versatile platform for the deployment of catalysts. These materials can be divided into three major classes: POPs that incorporate rigid well-defined homogeneous catalysts as building blocks, POPs that can be modified post-synthesis, and POPs that encapsulate metal particles. This perspective article summarizes the recent developments in POP-based catalysis and outlines the potential of POPs as platforms of heterogeneous catalysts along with some of the challenges.
C1 [Kaur, Parminder; Hupp, Joseph T.; Nguyen, SonBinh T.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Kaur, Parminder; Hupp, Joseph T.; Nguyen, SonBinh T.] Northwestern Univ, Inst Catalysis Energy Proc, Evanston, IL 60208 USA.
[Hupp, Joseph T.; Nguyen, SonBinh T.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Hupp, JT (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM j-hupp@northwestern.edu; stn@northwestern.edu
RI Hupp, Joseph/K-8844-2012; Nguyen, SonBinh/C-1682-2014
OI Hupp, Joseph/0000-0003-3982-9812; Nguyen, SonBinh/0000-0002-6977-3445
FU DTRA [HDTRA1-10-1-0023]; U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences
FX We acknowledge DTRA for funding P.K. (Grant HDTRA1-10-1-0023). This
material is based upon work supported as part of the Institute for
Atom-efficient Chemical Transformations (IACT), an Energy Frontier
Research Center funded by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences. J.T.H. and S.T.N. additionally
acknowledge the LDRD program of Argonne National Laboratory for
supporting some aspects of their research efforts in POP-based
catalysis.
NR 113
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U1 42
U2 267
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 JUL
PY 2011
VL 1
IS 7
SI SI
BP 819
EP 835
DI 10.1021/cs200131g
PG 17
WC Chemistry, Physical
SC Chemistry
GA 788YD
UT WOS:000292479400019
ER
PT J
AU Santala, MK
Radmilovic, V
Giulian, R
Ridgway, MC
Gronsky, R
Glaeser, AM
AF Santala, Melissa K.
Radmilovic, Velimir
Giulian, Raquel
Ridgway, Mark C.
Gronsky, Ronald
Glaeser, Andreas M.
TI The orientation and morphology of platinum precipitates in sapphire
SO ACTA MATERIALIA
LA English
DT Article
DE Alumina; Platinum group; Metal precipitation; Misorientation; Interfaces
ID SURFACE-ENERGY-ANISOTROPY; METAL-CERAMIC INTERFACES; OXYGEN ACTIVITY
DEPENDENCY; CONSERVING SHAPE CHANGES; BASAL-PLANE SAPPHIRE; EQUILIBRIUM
SHAPE; SELF-DIFFUSION; WULFF SHAPE; RAYLEIGH INSTABILITIES; ELLIPSOIDAL
INCLUSION
AB The orientation relationship, crystallography and structure of heterointerfaces influence their energy, and collectively these interface properties can exert a profound effect on a wide range of multiphase-material properties. In this study, stable interfaces were identified and relative interfacial energies were determined in a model oxide metal system from measurements of the shapes of Pt inclusions in a sapphire matrix. Platinum precipitates were formed in sapphire via ion implantation followed by thermal annealing in air. The morphology of precipitates with a high-symmetry orientation relationship was determined after annealing at 1600 degrees C for 100 h, processing conditions anticipated to result in equilibrium morphology if shape changes are only diffusion limited. The precipitates were found to have both faceted and rough interfaces. The facets coincided with low-index planes of sapphire. All sapphire facets that appear in the Wulff shape of undoped sapphire at 1600 degrees C were observed, but additional facets also appeared. Lack of complete convergence on an equilibrium shape is believed to be due to the absence of ledge-producing defects in some particles, and the inability to overcome the nucleation energy barriers required to form ledges. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Santala, Melissa K.] Lawrence Livermore Natl Lab, Condensed Matter & Mat Div, Livermore, CA 94550 USA.
[Radmilovic, Velimir] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA.
[Radmilovic, Velimir] Univ Belgrade, Fac Technol & Met, Nanotechnol & Funct Mat Ctr, Belgrade 11000, Serbia.
[Giulian, Raquel; Ridgway, Mark C.] Australian Natl Univ, Dept Elect Mat Engn, Canberra, ACT, Australia.
[Gronsky, Ronald; Glaeser, Andreas M.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
RP Santala, MK (reprint author), Lawrence Livermore Natl Lab, Condensed Matter & Mat Div, Livermore, CA 94550 USA.
EM santala1@llnl.gov
RI Giulian, Raquel/A-6019-2008; Santala, Melissa/K-6871-2013; Giulian,
Raquel/G-8075-2014;
OI Santala, Melissa/0000-0002-5189-5153
FU National Science Foundation [0805062]; US Department of Energy by
Lawrence Livermore National Laboratory [DE-AC52-07NA27344];
Nanotechnology and Functional Materials Center, Faculty of Technology
and Metallurgy, University of Belgrade, Serbia; Australian Research
Council; Office of Science, Office of Basic Energy Sciences of the US
Department of Energy [DE-AC02-05CH11231]
FX This research was supported by the Metals and Metallic Nanostructures
Program of the National Science Foundation through Grant No. 0805062.
M.K.S. was supported by an NSF Graduate Research Fellowship. Portions of
the work by M.K.S. were performed under the auspices of the US
Department of Energy by Lawrence Livermore National Laboratory under
contract DE-AC52-07NA27344. A.M.G. acknowledges generous support from
the GRF. V.R. acknowledges the support of the Nanotechnology and
Functional Materials Center, Faculty of Technology and Metallurgy,
University of Belgrade, Serbia. R.G. and M.C.R. are supported by the
Australian Research Council. All electron microscopy in this work was
performed at the National Center for Electron Microscopy, which is
supported by the Office of Science, Office of Basic Energy Sciences of
the US Department of Energy under contract no. DE-AC02-05CH11231. M.K.S.
and A.M.G. thank U. Dahmen for many useful conversations over the course
of this work.
NR 99
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U1 0
U2 32
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 JUL
PY 2011
VL 59
IS 12
BP 4761
EP 4774
DI 10.1016/j.actamat.2011.04.012
PG 14
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 788DV
UT WOS:000292426500003
ER
PT J
AU Budruk, A
Phatak, C
Petford-Long, AK
De Graef, M
AF Budruk, A.
Phatak, C.
Petford-Long, A. K.
De Graef, M.
TI In situ lorentz TEM magnetization study of a Ni-Mn-Ga ferromagnetic
shape memory alloy
SO ACTA MATERIALIA
LA English
DT Article
DE Lorentz microscopy; Heusler phases; Martensitic phase transformation;
Magnetic domain; Twinning
ID ANTIPHASE BOUNDARIES; HEUSLER ALLOYS; MARTENSITE; PHASE; NI2MNGA; FIELD
AB The magnetic domain structure of a Ni(49.9)Mn(28.3)Ga(21.8) ferromagnetic shape memory alloy has been investigated by in situ Lorentz TEM. Field-induced changes in the magnetic domain wall structure were recorded over a field range of [-500, +300] Oe. Inside a martensite twin variant, the observed domain structure was either an alternating (80 wall pattern or a maze-like pattern, depending on the relative orientation of the magnetic easy axis and the in-plane applied field. In twin variants with an in-plane easy axis, significant domain wall movement was observed at moderate applied fields, in agreement with an existing magneto-mechanical model. 180 degrees domain walls were found to be pinned by anti-phase boundaries (APBs). The maze-like domain structure was stable under applied fields below about +/- 100 Oe; at higher fields, the walls became aligned with the applied field. Domain walls also remained strongly pinned at twin boundaries up to applied fields of around 400 Oe. Interestingly, depinning of walls from twin boundaries occurs at field values that are significantly lower than those required to induce motion of the structural twins. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Budruk, A.; De Graef, M.] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
[Phatak, C.; Petford-Long, A. K.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP De Graef, M (reprint author), Carnegie Mellon Univ, Dept Mat Sci & Engn, 5000 Forbes Ave, Pittsburgh, PA 15213 USA.
EM abudruk@andrew.cmu.edu; cd@anl.gov; petford.long@anl.gov;
degraef@cmu.edu
RI Phatak, Charudatta/A-1874-2010; DeGraef, Marc/G-5827-2010; Petford-Long,
Amanda/P-6026-2014
OI DeGraef, Marc/0000-0002-4721-6226; Petford-Long,
Amanda/0000-0002-3154-8090
FU National Science Foundation, NSF [1005330]; Argonne National Laboratory,
a US Department of Energy, Office of Science Laboratory
[DE-AC02-06CH11357]; US DOE, Division of Materials Science and
Engineering, Office of Basic Energy Sciences; DOE
FX The results presented in this paper represent a portion of the Doctoral
Thesis research of A.B. The authors would like to acknowledge Dr. Kari
Ullakko for providing the Ni-Mn-Ga alloy. M.D.G. and A.B. would like to
acknowledge the financial support from National Science Foundation, NSF
DMR # 1005330. A part of this work was carried out at Argonne National
Laboratory, a US Department of Energy, Office of Science Laboratory
operated under contract DE-AC02-06CH11357 by University of Chicago
Argonne, LLC. The funding for the JEOL Lorentz TEM was provided by US
DOE, Division of Materials Science and Engineering, Office of Basic
Energy Sciences. C.P. and A.K.P.L. would like to acknowledge the
financial support from the DOE.
NR 25
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U1 12
U2 62
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 JUL
PY 2011
VL 59
IS 12
BP 4895
EP 4906
DI 10.1016/j.actamat.2011.04.031
PG 12
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 788DV
UT WOS:000292426500015
ER
PT J
AU Matesanz, S
Sultan, SE
Jones, KL
Hagen, C
Lance, SL
AF Matesanz, Silvia
Sultan, Sonia E.
Jones, Kenneth L.
Hagen, Cris
Lance, Stacey L.
TI DEVELOPMENT AND CHARACTERIZATION OF MICROSATELLITE MARKERS FOR POLYGONUM
CESPITOSUM (POLYGONACEAE)
SO AMERICAN JOURNAL OF BOTANY
LA English
DT Article
DE microsatellite; PCR primers; Persicaria; Polygonum; SSR; STR
ID LOCI
AB Premise of the study: We isolated and characterized microsatellite markers in Polygonum cespitosum Blume, an herbaceous annual plant species introduced into North America from Asia that has recently become invasive.
Methods and Results: A total of 12 polymorphic and 3 monomorphic loci were screened in 1-2 individuals from each of 20 populations from the introduced and native range, for a total of 24 samples. The number of alleles per locus in the polymorphic loci ranged from 3 to 9, and expected heterozygosity ranged from 0.156 to 0.838.
Conclusions: These new loci will provide tools for examining genetic relatedness among introduced and native populations of this and other related species.
C1 [Matesanz, Silvia; Sultan, Sonia E.] Wesleyan Univ, Dept Biol, Middletown, CT 06459 USA.
[Matesanz, Silvia] CSIC, Museo Nacl Ciencias Nat, Lab Int Cambio Global LINC Global, E-28006 Madrid, Spain.
[Jones, Kenneth L.] Univ Georgia, Georgia Genom Facil, Athens, GA 30602 USA.
[Hagen, Cris; Lance, Stacey L.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
RP Matesanz, S (reprint author), Wesleyan Univ, Dept Biol, Middletown, CT 06459 USA.
EM silvia@ccma.csic.es
RI Matesanz, Silvia/L-5153-2014; Lance, Stacey/K-9203-2013
OI Matesanz, Silvia/0000-0003-0060-6136; Lance, Stacey/0000-0003-2686-1733
FU DOE [DE-FC09-07SR22506]; European Commission; Wesleyan University;
agency of the United States Government
FX This research was partially supported by the DOE under Award Number
DE-FC09-07SR22506 to the University of Georgia Research Foundation, by a
Marie Curie IOF Fellowship (European Commission FP7) awarded to Silvia
Matesanz, and by a Wesleyan University Project Grant to Sonia E. Sultan.
We also thank John R. Kirn and his laboratory for access to their Wetlab
facilities.; This report was prepared as an account of work sponsored by
an agency of the United States Government. Neither the United States
Government nor any agency thereof, nor any of their employees, makes any
warranty, express or implied, or assumes any legal liability or
responsibility for the accuracy, completeness, or usefulness of any
information, apparatus, product, or process disclosed, or represents
that its use would not infringe privately owned rights. Reference herein
to any specific commercial product, process, or service by trade name,
trademark, manufacturer, or otherwise does not necessarily constitute or
imply its endorsement, recommendation, or favoring by the United States
Government or any agency thereof. The views and opinions of authors
expressed herein do not necessarily state or reflect those of the United
States Government or any agency thereof.
NR 10
TC 3
Z9 3
U1 0
U2 10
PU BOTANICAL SOC AMER INC
PI ST LOUIS
PA PO BOX 299, ST LOUIS, MO 63166-0299 USA
SN 0002-9122
J9 AM J BOT
JI Am. J. Bot.
PD JUL
PY 2011
VL 98
IS 7
BP E180
EP E182
DI 10.3732/ajb.1100053
PG 3
WC Plant Sciences
SC Plant Sciences
GA 787LF
UT WOS:000292377000006
PM 21700804
ER
PT J
AU Mitsunobu, S
Takahashi, Y
Utsunomiya, S
Marcus, MA
Terada, Y
Iwamura, T
Sakata, M
AF Mitsunobu, Satoshi
Takahashi, Yoshio
Utsunomiya, Satoshi
Marcus, Matthew A.
Terada, Yasuko
Iwamura, Takeru
Sakata, Masahiro
TI Identification and characterization of nanosized tripuhyite in soil near
Sb mine tailings
SO AMERICAN MINERALOGIST
LA English
DT Article
DE Antimony; tripuhyite; micro-XAFS; micro-XRD; HRTEM
ID X-RAY-FLUORESCENCE; ABSORPTION SPECTROSCOPY; NATURAL SPECIATION; ARSENIC
MOBILITY; MICROMETER SCALE; GREEN RUST; IRON-OXIDE; ANTIMONY; SEDIMENTS;
DIFFRACTION
AB In soil near tailings from an antimony (Sb) mine, we found micro-grains coated with an antimony-rich layer. These grains were characterized in detail using multiple advanced analytical techniques such as micro-X-ray absorption near edge structure (mu-XANES), micro-extended X-ray absorption fine structure (mu-EXAFS), micro-X-ray diffraction (mu-XRD), transmission electron microscope (TEM), and electron probe microanalysis (EPMA). The EPMA showed that one soil grain (grain A) locally accumulated a large amount of Sb in the secondary phases (40-61 wt% Sb2O5) with significant Fe (20-28 wt% Fe2O3). The spatial distribution of Sb in the grain was similar to that of iron. Both Fe mu-XANES and mu-XRD of the Sb hot spots in grain A consistently showed that the secondary products were dominantly composed of ferric antimonate, tripuhyite (FeSbO4). Fits to the Sb K-edge mu-EXAFS of this phase showed second-neighbor coordination numbers similar to 30% smaller than in bulk tripuhyite, indicating that the tripuhyite included in grain A is nanoparticulate and/or has a high structural disorder. The TEM analysis suggests that the particle size of tripuhyite in grain A was around 10 nm, which is consistent with the size range indicated by mu-XRD and mu-EXAFS. This is the first report showing tripuhyite with nanocrystallinity in natural soil to date.
C1 [Mitsunobu, Satoshi; Iwamura, Takeru; Sakata, Masahiro] Univ Shizuoka, Inst Environm Sci, Suruga Ku, Shizuoka 4228526, Japan.
[Takahashi, Yoshio] Hiroshima Univ, Dept Earth & Planetary Syst Sci, Grad Sch Sci, Hiroshima 7398526, Japan.
[Takahashi, Yoshio] Hiroshima Univ, Lab Multiple Isotope Res Astro & Geochem Evolut M, Hiroshima 7398526, Japan.
[Utsunomiya, Satoshi] Kyushu Univ, Dept Chem, Higashi Ku, Fukuoka 8128581, Japan.
[Marcus, Matthew A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Terada, Yasuko] SPring 8, Japan Synchrotron Radiat Res Inst JASRI, Sayo, Hyogo 6795158, Japan.
RP Mitsunobu, S (reprint author), Univ Shizuoka, Inst Environm Sci, Suruga Ku, 52-1 Yada, Shizuoka 4228526, Japan.
EM mitunobu@u-shizuoka-ken.ac.jp
RI Takahashi, Yoshio/F-6733-2011
FU University of Shizuoka
FX We thank Y. Shibata and H. Ishisako for assistance in EPMA and thin
section preparation, respectively. This work is partly supported by a
fund from the University of Shizuoka. This work was performed with the
approval of JASRI (Proposal Nos. 2008A1436, 2009A1243 2009A1571, and
2009B1575), Photon Factory (Proposal Nos. 2008G683 and 2009G655), and
Advanced Light Source (Proposal No. ALS-02648).
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PU MINERALOGICAL SOC AMER
PI CHANTILLY
PA 3635 CONCORDE PKWY STE 500, CHANTILLY, VA 20151-1125 USA
SN 0003-004X
EI 1945-3027
J9 AM MINERAL
JI Am. Miner.
PD JUL
PY 2011
VL 96
IS 7
BP 1171
EP 1181
DI 10.2138/am.2011.3651
PG 11
WC Geochemistry & Geophysics; Mineralogy
SC Geochemistry & Geophysics; Mineralogy
GA 787JM
UT WOS:000292372400023
ER
PT J
AU Effenberger, AJ
Scott, JR
AF Effenberger, Andrew J., Jr.
Scott, Jill R.
TI Effect of atmosphere on collinear double-pulse laser-induced breakdown
spectroscopy
SO ANALYTICAL AND BIOANALYTICAL CHEMISTRY
LA English
DT Article
DE DP-LIBS; Helium; Argon; Air; Reduced pressure
ID INDUCED PLASMA SPECTROSCOPY; PRE-ABLATION SPARK; ELEMENTAL ANALYSIS;
SINGLE-PULSE; ANALYTE INTERACTIONS; SIGNAL ENHANCEMENT; METALLIC
SAMPLES; SOLID SAMPLES; SPECTROMETRY; LIBS
AB Double-pulse laser-induced breakdown spectroscopy (DP-LIBS) has been shown to enhance LIBS spectra. Several researchers have reported significant increases in signal-to-noise and/or spectral intensity compared to single-pulse (SP) LIBS. In addition to DP-LIBS, atmospheric conditions can also increase sensitivity. Thus, in this study, a collinear DP-LIBS scheme was used along with manipulation of the atmospheric conditions. The DP-LIBS scheme consisted of an initial 45-mJ pulse at 1,064-nm fired into a sample contained in a controlled atmospheric/vacuum chamber. A second analytical 45-mJ pulse at 1,064-nm was then fired 0 to 200 mu s after and along the same path of the first pulse. Ar, He, and air at pressures ranging from atmospheric pressure to 1 Torr are introduced during DP-LIBS and SP-LIBS experiments. For a brass sample, significant increases in the spectral intensities of Cu and Zn lines were observed in DP-LIBS under Ar compared to DP-LIBS in air. It was also found that Cu and Zn lines acquired with SP-LIBS in Ar are nearly as intense as DP-LIBS in air. While collinear DP-LIBS is effective for increasing the sensitivity for some reduced atmospheres (i.e., Ar and air at 630 to 100 Torr and He at 300 Torr), the enhanced spectral intensity ultimately dropped off as the pressure was reduced below 10 Torr for all atmospheric compositions in the experimental arrangement used in this study. At all pressures of air and Ar, the plasma temperature remained rather constant with increased inter-pulse delays; however, the plasma temperature was more variable for different He gas pressures and interpulse delays.
C1 [Effenberger, Andrew J., Jr.; Scott, Jill R.] INL, Idaho Falls, ID 83415 USA.
RP Scott, JR (reprint author), INL, MS 2208,1725 N Yellowstone HWY, Idaho Falls, ID 83415 USA.
EM jill.scott@inl.gov
FU US Department of Energy (DOE) through the INL Laboratory Directed
Research and Development (LDRD) under DOE Idaho Operations Office
[DE-AC07-05ID1417]
FX This work was supported by the US Department of Energy (DOE) through the
INL Laboratory Directed Research and Development (LDRD) Program under
DOE Idaho Operations Office Contract DE-AC07-05ID1417.
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PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1618-2642
J9 ANAL BIOANAL CHEM
JI Anal. Bioanal. Chem.
PD JUL
PY 2011
VL 400
IS 10
BP 3217
EP 3227
DI 10.1007/s00216-011-5034-z
PG 11
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 789IE
UT WOS:000292508200005
PM 21553217
ER
PT J
AU Lasue, J
Wiens, RC
Stepinski, TF
Forni, O
Clegg, SM
Maurice, S
AF Lasue, J.
Wiens, R. C.
Stepinski, T. F.
Forni, O.
Clegg, S. M.
Maurice, S.
CA ChemCam Team
TI Nonlinear mapping technique for data visualization and clustering
assessment of LIBS data: application to ChemCam data
SO ANALYTICAL AND BIOANALYTICAL CHEMISTRY
LA English
DT Article
DE ChemCam; Laser-induced breakdown spectroscopy (LIBS); Multivariate
analysis; Sammon's map; Mars Science Laboratory; Geological samples
ID INDUCED BREAKDOWN SPECTROSCOPY; MARS
AB ChemCam is a remote laser-induced breakdown spectroscopy (LIBS) instrument that will arrive on Mars in 2012, on-board the Mars Science Laboratory Rover. The LIBS technique is crucial to accurately identify samples and quantify elemental abundances at various distances from the rover. In this study, we compare different linear and nonlinear multivariate techniques to visualize and discriminate clusters in two dimensions (2D) from the data obtained with ChemCam. We have used principal components analysis (PCA) and independent components analysis (ICA) for the linear tools and compared them with the nonlinear Sammon's map projection technique. We demonstrate that the Sammon's map gives the best 2D representation of the data set, with optimization values from 2.8% to 4.3% (0% is a perfect representation), together with an entropy value of 0.81 for the purity of the clustering analysis. The linear 2D projections result in three (ICA) and five times (PCA) more stress, and their clustering purity is more than twice higher with entropy values about 1.8. We show that the Sammon's map algorithm is faster and gives a slightly better representation of the data set if the initial conditions are taken from the ICA projection rather than the PCA projection. We conclude that the nonlinear Sammon's map projection is the best technique for combining data visualization and clustering assessment of the ChemCam LIBS data in 2D. PCA and ICA projections on more dimensions would improve on these numbers at the cost of the intuitive interpretation of the 2D projection by a human operator.
C1 [Lasue, J.; Wiens, R. C.] Los Alamos Natl Lab, Int Space & Response Div, Los Alamos, NM 87544 USA.
[Lasue, J.; Stepinski, T. F.] Lunar & Planetary Inst, Houston, TX 77058 USA.
[Stepinski, T. F.] Univ Cincinnati, Dept Geog, Cincinnati, OH 45221 USA.
[Forni, O.; Maurice, S.] Univ Toulouse, IRAP, CNRS, F-31400 Toulouse, France.
[Clegg, S. M.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87544 USA.
RP Lasue, J (reprint author), Los Alamos Natl Lab, Int Space & Response Div, POB 1663, Los Alamos, NM 87544 USA.
EM lasue@lanl.gov
OI Forni, Olivier/0000-0001-6772-9689; Clegg, Sam/0000-0002-0338-0948
FU ChemCam/MSL; lab-directed research and development (LDRD)
FX The work at Los Alamos was supported by the ChemCam/MSL project and by
lab-directed research and development (LDRD) funds. The work of French
co-authors was conducted under the auspices of the Centre National
d'Etudes Spatiales (CNES). This is JL contribution to the LPI number
1604. The authors thank two anonymous referees for their relevant
comments and their contribution to improving the manuscript.
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PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1618-2642
J9 ANAL BIOANAL CHEM
JI Anal. Bioanal. Chem.
PD JUL
PY 2011
VL 400
IS 10
BP 3247
EP 3260
DI 10.1007/s00216-011-4747-3
PG 14
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 789IE
UT WOS:000292508200008
PM 21331488
ER
PT J
AU Li, CL
Cheng, G
Balan, V
Kent, MS
Ong, M
Chundawat, SPS
Sousa, LD
Melnichenko, YB
Dale, BE
Simmons, BA
Singh, S
AF Li, Chenlin
Cheng, Gang
Balan, Venkatesh
Kent, Michael S.
Ong, Markus
Chundawat, Shishir P. S.
Sousa, Leonardo daCosta
Melnichenko, Yuri B.
Dale, Bruce E.
Simmons, Blake A.
Singh, Seema
TI Influence of physico-chemical changes on enzymatic digestibility of
ionic liquid and AFEX pretreated corn stover
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Ionic liquid; AFEX; Crystallinity; Surface area; Enzymatic
saccharification
ID BIOMASS RECALCITRANCE; DILUTE-ACID; CELLULOSE; HYDROLYSIS; LIGNIN;
DELIGNIFICATION; SWITCHGRASS; SCATTERING; FEATURES; POROSITY
AB Ionic liquid (IL) and ammonia fiber expansion (AFEX) pretreatments were studied to develop the first direct side-by-side comparative assessment on their respective impacts on biomass structure, composition, process mass balance, and enzymatic saccharification efficiency. AFEX pretreatment completely preserves plant carbohydrates, whereas IL pretreatment extracts 76% of hemicellulose. In contrast to AFEX, the native crystal structure of the recovered corn stover from IL pretreatment was significantly disrupted. For both techniques, more than 70% of the theoretical sugar yield was attained after 48 h of hydrolysis using commercial enzyme cocktails. IL pretreatment requires less enzyme loading and a shorter hydrolysis time to reach 90% yields. Hemicellulase addition led to significant improvements in the yields of glucose and xylose for AFEX pretreated corn stover, but not for IL pretreated stover. These results provide new insights into the mechanisms of IL and AFEX pretreatment, as well as the advantages and disadvantages of each. Published by Elsevier Ltd.
C1 [Singh, Seema] Sandia Natl Labs, Biomass Sci & Convers Technol Dept, Livermore, CA USA.
[Li, Chenlin; Cheng, Gang; Kent, Michael S.; Simmons, Blake A.; Singh, Seema] Joint BioEnergy Inst, Deconstruct Div, Emeryville, CA USA.
[Li, Chenlin; Cheng, Gang; Kent, Michael S.; Ong, Markus; Simmons, Blake A.; Singh, Seema] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Balan, Venkatesh; Chundawat, Shishir P. S.; Sousa, Leonardo daCosta; Dale, Bruce E.] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA.
[Balan, Venkatesh; Chundawat, Shishir P. S.; Sousa, Leonardo daCosta; Dale, Bruce E.] Great Lakes Bioenergy Res Ctr GLBRC, E Lansing, MI USA.
[Melnichenko, Yuri B.] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN USA.
RP Singh, S (reprint author), Sandia Natl Labs, Biomass Sci & Convers Technol Dept, Livermore, CA USA.
EM seesing@sandia.gov
RI da Costa Sousa, Leonardo/A-1536-2016;
OI Li, Chenlin/0000-0002-0793-0505; Chundawat, Shishir/0000-0003-3677-6735;
Simmons, Blake/0000-0002-1332-1810
FU US Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; US Department of Energy
through the DOE Great Lakes Bioenergy Research Center (GLBRC)
[DE-FC02-07ER64494]; Scientific User Facilities Division, Office of
Basic Energy Sciences, US Department of Energy; EPSCoR Neutron through
University of Tennessee
FX The authors thank Novozymes for the gift of the enzyme cocktails used in
this work. This work was part of the DOE Joint BioEnergy Institute
(http://www.jbei.org) supported by the US Department of Energy, Office
of Science, Office of Biological and Environmental Research, through
contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory
and the US Department of Energy. This work was also supported in part by
US Department of Energy through the DOE Great Lakes Bioenergy Research
Center (GLBRC) Grant DE-FC02-07ER64494. The research conducted at Oak
Ridge National Laboratory's High Flux Isotope Reactor was sponsored by
the Scientific User Facilities Division, Office of Basic Energy
Sciences, US Department of Energy. G. Cheng acknowledges the EPSCoR
Neutron Travel Fellowship through University of Tennessee. We would like
to thank Derek Marshall for helping prepare AFEX pretreated biomass.
NR 36
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U1 5
U2 54
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 JUL
PY 2011
VL 102
IS 13
BP 6928
EP 6936
DI 10.1016/j.biortech.2011.04.005
PG 9
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 789BC
UT WOS:000292487300021
PM 21531133
ER
PT J
AU Bu, Q
Lei, HW
Ren, SJ
Wang, L
Holladay, J
Zhang, Q
Tang, J
Ruan, R
AF Bu, Quan
Lei, Hanwu
Ren, Shoujie
Wang, Lu
Holladay, John
Zhang, Qin
Tang, Juming
Ruan, Roger
TI Phenol and phenolics from lignocellulosic biomass by catalytic microwave
pyrolysis
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Biomass; Activated carbon; Catalytic microwave pyrolysis; Phenol;
Phenolics
ID BIO-OIL; LIQUEFACTION; CONVERSION; CHEMICALS; CRACKING; FUELS
AB Catalytic microwave pyrolysis of biomass using activated carbon was investigated to determine the effects of pyrolytic conditions on the yields of phenol and phenolics. The high concentrations of phenol (38.9%) and phenolics (66.9%) were obtained at the temperature of 589 K, catalyst-to-biomass ratio of 3:1 and retention time of 8 min. The increase of phenol and its derivatives compared to pyrolysis without catalysts has a close relationship with the decomposition of lignin under the performance of activated carbon. The concentration of esters was also increased using activated carbon as a catalyst. The high content of phenols obtained in this study can be used either directly as fuel after upgrading or as feedstock of bio-based phenols for chemical industry. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Bu, Quan; Lei, Hanwu; Ren, Shoujie; Wang, Lu; Zhang, Qin; Tang, Juming] Washington State Univ, Dept Biol Syst Engn, Bioprod Sci & Engn Lab, Richland, WA 99354 USA.
[Holladay, John] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Ruan, Roger] Univ Minnesota, Dept Bioprod & Biosyst Engn, St Paul, MN 55108 USA.
RP Lei, HW (reprint author), Washington State Univ, Dept Biol Syst Engn, Bioprod Sci & Engn Lab, Richland, WA 99354 USA.
EM hlei@tricity.wsu.edu
RI ren, shoujie/P-1384-2014;
OI Ruan, Roger/0000-0001-8835-2649
FU Office of Research and Department of Biological Systems Engineering at
Washington State University
FX This work was supported in partial by the Office of Research and
Department of Biological Systems Engineering at Washington State
University.
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PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0960-8524
EI 1873-2976
J9 BIORESOURCE TECHNOL
JI Bioresour. Technol.
PD JUL
PY 2011
VL 102
IS 13
BP 7004
EP 7007
DI 10.1016/j.biortech.2011.04.025
PG 4
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 789BC
UT WOS:000292487300032
PM 21531545
ER
PT J
AU Bellen, HJ
Levis, RW
He, YC
Carlson, JW
Evans-Holm, M
Bae, E
Kim, J
Metaxakis, A
Savakis, C
Schulze, KL
Hoskins, RA
Spradling, AC
AF Bellen, Hugo J.
Levis, Robert W.
He, Yuchun
Carlson, Joseph W.
Evans-Holm, Martha
Bae, Eunkyung
Kim, Jaeseob
Metaxakis, Athanasios
Savakis, Charalambos
Schulze, Karen L.
Hoskins, Roger A.
Spradling, Allan C.
TI The Drosophila Gene Disruption Project: Progress Using Transposons With
Distinctive Site Specificities
SO GENETICS
LA English
DT Article
ID P-ELEMENT INSERTIONS; HOMOLOGOUS RECOMBINATION; TARGETED MUTAGENESIS;
GENOME PROJECT; X-CHROMOSOME; FREE REGIONS; MELANOGASTER; TRANSGENESIS;
SCREEN; TOOL
AB The Drosophila Gene Disruption Project (GDP) has created a public collection of mutant strains containing single transposon insertions associated with different genes. These strains often disrupt gene function directly, allow production of new alleles, and have many other applications for analyzing gene function. Here we describe the addition of similar to 7600 new strains, which were selected from >140,000 additional P or piggyBac element integrations and 12,500 newly generated insertions of the Minos transposon. These additions nearly double the size of the collection and increase the number of tagged genes to at least 9440, approximately two-thirds of all annotated protein-coding genes. We also compare the site specificity of the three major transposons used in the project. All three elements insert only rarely within many Polycomb-regulated regions, a property that may contribute to the origin of "transposon-free regions" (TFRs) in metazoan genomes. Within other genomic regions, Minos transposes essentially at random, whereas P or piggyBac elements display distinctive hotspots and coldspots. P elements, as previously shown, have a strong preference for promoters. In contrast, piggyBac site selectivity suggests that it has evolved to reduce deleterious and increase adaptive changes in host gene expression. The propensity of Minos to integrate broadly makes possible a hybrid finishing strategy for the project that will bring >95% of Drosophila genes under experimental control within their native genomic contexts.
C1 [Bellen, Hugo J.; He, Yuchun; Schulze, Karen L.] Baylor Coll Med, Howard Hughes Med Inst, Dept Mol & Human Genet, Program Dev Biol, Houston, TX 77030 USA.
[Levis, Robert W.; Spradling, Allan C.] Carnegie Inst Sci, Dept Embryol, Howard Hughes Med Inst Res Labs, Baltimore, MD 21218 USA.
[Carlson, Joseph W.; Evans-Holm, Martha; Hoskins, Roger A.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Bae, Eunkyung; Kim, Jaeseob] Aprogen, Seoul 462807, South Korea.
[Metaxakis, Athanasios; Savakis, Charalambos] Fdn Res & Technol, Inst Mol Biol & Biotechnol, Iraklion 71110, Crete, Greece.
RP Spradling, AC (reprint author), Carnegie Inst, Dept Embryol, Baltimore, MD 21218 USA.
EM spradling@ciwemb.edu
OI Bellen, Hugo/0000-0001-5992-5989
FU National Institute of General Medical Sciences [GM067858]; Howard Hughes
Medical Institute
FX We thank Danqing Bei, Ying Fang, Adeel Jawaid, Jianping Li, Zhihua Wang,
and Jin Yue at Baylor College of Medicine, Houston, TX, for generating
and maintaining fly stocks. Vanessa Damm, Shelly Paterno, and Eric Chen
assisted in the line maintenance and balancing at Carnegie Institution
for Science, Baltimore, Maryland. We thank Soo Park and Kenneth Wan at
Lawrence Berkeley National Laboratory, Berkeley, CA, for assistance with
iPCR and sequencing of insertions. We are grateful to Exelixis and
Aprogen (formerly GenExel) for providing lines and sequence data. We are
grateful to researchers at Max Planck Institute, Gottingen, Germany,
EMBL Heidelberg, Germany, and DeveloGen, Gottingen, Germany, for
donating P-insertion lines to the public. We are grateful to Ulrich
Schafer and Herbert Jackle for providing information and lines from the
Gottingen X-linked insertion collection. We thank Peter Maroy for
shipping lines to the project from the Szeged Stock Center. We thank
Kathy Matthews, Kevin Cook, and Annette Parks for coordinating the
transition of the lines to the Bloomington Drosophila Stock Center. We
thank Koen Venken for useful suggestions. This work was supported by
National Institute of General Medical Sciences (GM067858). Additional
funds were provided through the support of the Spradling and Bellen labs
from the Howard Hughes Medical Institute.
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PU GENETICS SOC AM
PI BETHESDA
PA 9650 ROCKVILLE AVE, BETHESDA, MD 20814 USA
SN 0016-6731
J9 GENETICS
JI Genetics
PD JUL
PY 2011
VL 188
IS 3
BP 731
EP U341
DI 10.1534/genetics.111.126995
PG 22
WC Genetics & Heredity
SC Genetics & Heredity
GA 789TJ
UT WOS:000292538900022
PM 21515576
ER
PT J
AU Jin, JM
Miller, NL
AF Jin, Jiming
Miller, Norman L.
TI Improvement of snowpack simulations in a regional climate model
SO HYDROLOGICAL PROCESSES
LA English
DT Article
DE land-surface model; regional climate model; snow; vegetation
ID WESTERN UNITED-STATES; ASSIMILATION SYSTEM NLDAS; SNOWMELT RUNOFF;
MONSOON; IMPLEMENTATION; PRECIPITATION; VARIABILITY; SENSITIVITY;
TRENDS; MASS
AB To improve simulations of regional-scale snow processes and related cold-season hydroclimate, the Community Land Model version 3 (CLM3), developed by the National Center for Atmospheric Research (NCAR), was coupled with the Pennsylvania State University/NCAR fifth-generation Mesoscale Model (MM5). CLM3 physically describes the mass and heat transfer within the snowpack using five snow layers that include liquid water and solid ice. The coupled MM5-CLM3 model performance was evaluated for the snowmelt season in the Columbia River Basin in the Pacific Northwestern United States using gridded temperature and precipitation observations, along with station observations. The results from MM5-CLM3 show a significant improvement in the SWE simulation, which has been underestimated in the original version of MM5 coupled with the Noah land-surface model. One important cause for the underestimated SWE in Noah is its unrealistic land-surface structure configuration where vegetation, snow and the topsoil layer are blended when snow is present. This study demonstrates the importance of the sheltering effects of the forest canopy on snow surface energy budgets, which is included in CLM3. Such effects are further seen in the simulations of surface air temperature and precipitation in regional weather and climate models such as MM5. In addition, the snow-season surface albedo overestimated by MM5-Noah is now more accurately predicted by MM5-CLM3 using a more realistic albedo algorithm that intensifies the solar radiation absorption on the land surface, reducing the strong near-surface cold bias in MM5-Noah. The cold bias is further alleviated due to a slower snowmelt rate in MM5-CLM3 during the early snowmelt stage, which is closer to observations than the comparable components of MM5-Noah. In addition, the over-predicted precipitation in the Pacific Northwest as shown in MM5-Noah is significantly decreased in MM5-CLM3 due to the lower evaporation resulting from the longer snow duration. Copyright. (C) 2011 John Wiley & Sons, Ltd.
C1 [Jin, Jiming] Utah State Univ, Dept Watershed Sci & Plants, Logan, UT 84322 USA.
[Jin, Jiming] Utah State Univ, Dept Soils, Logan, UT 84322 USA.
[Jin, Jiming] Utah State Univ, Dept Climate, Logan, UT 84322 USA.
[Jin, Jiming] Utah State Univ, Utah Climate Ctr, Logan, UT 84322 USA.
[Miller, Norman L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Jin, JM (reprint author), 5210 Old Main Hill, Logan, UT 84322 USA.
EM jimingjin99@gmail.com
RI Jin, Jiming/A-9678-2011
FU Utah Agricultural Experiment Station, USDA [2009-34610-19925]; EPA
[RD83418601]; NOAA MAPP [NA090AR4310195]
FX The authors want to thank Drs Kenneth Mitchell, Helin Wei from NOAA and
the three anonymous reviewers for useful comments, which have improved
the quality of this study. Jiming Jin was supported by the Utah
Agricultural Experiment Station, USDA Special Grants No.
2009-34610-19925, EPA RD83418601 and the NOAA MAPP NA090AR4310195 grant.
NR 30
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U1 1
U2 16
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0885-6087
J9 HYDROL PROCESS
JI Hydrol. Process.
PD JUL 1
PY 2011
VL 25
IS 14
BP 2202
EP 2210
DI 10.1002/hyp.7975
PG 9
WC Water Resources
SC Water Resources
GA 789YF
UT WOS:000292554800004
ER
PT J
AU Hong, M
Fredrick, D
Devito, DM
Howe, JY
Yang, XC
Giles, NC
Neal, JS
Munir, ZA
AF Hong, Mei
Fredrick, Daniela
Devito, David M.
Howe, Jane Y.
Yang, Xiaocheng
Giles, Nancy C.
Neal, John S.
Munir, Zuhair A.
TI Characterization of Green-Emitting Translucent Zinc Oxide Ceramics
Prepared Via Spark Plasma Sintering
SO INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
LA English
DT Article
ID OPTICAL-PROPERTIES; LIGHT-SCATTERING; GRAIN-GROWTH; ZNO FILMS;
FABRICATION; ALUMINA; PHOTOLUMINESCENCE; CONSOLIDATION; TEMPERATURE;
PRESSURE
AB Translucent, green-emitting zinc oxide (ZnO) bodies, 19mm in diameter and 0.72mm in thickness, have been prepared via spark plasma sintering method. The consolidation of ZnO powders was investigated over the temperature range of 550-1050 degrees C and the pressure range of 55-530 MPa. Samples sintered at temperatures >850 degrees C and pressures of similar to 120 MPa were translucent and had densities of similar to 100%. Samples sintered at 950 degrees C and 130 MPa showed a higher maximum transmittance than the samples sintered at higher or lower temperatures or pressures, with an excellent in-line transmission of 70% in the IR region around 2330 nm. The dense ZnO ceramics exhibited a strong green emission and a weak ultraviolet emission, and the relative intensity of the green emission increased with increasing sintering temperature.
C1 [Hong, Mei; Fredrick, Daniela; Munir, Zuhair A.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Devito, David M.; Howe, Jane Y.; Neal, John S.] Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA.
[Yang, Xiaocheng; Giles, Nancy C.] W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA.
[Munir, Zuhair A.] Amer Ceram Soc, Westerville, OH USA.
RP Hong, M (reprint author), Lonza Guangzhou Res & Dev Ctr, Guangzhou 511455, Guangdong, Peoples R China.
EM zamunir@ucdavis.edu
RI Howe, Jane/G-2890-2011; Neal, John/R-8203-2016
OI Neal, John/0000-0001-8337-5235
FU DOE Office of Nonproliferation Research and Engineering in the National
Nuclear Security Administration (NNSA); U.S. Department of Energy
[DE-AC05-00OR22725]; Oak Ridge National Laboratory
FX Research supported by the DOE Office of Nonproliferation Research and
Engineering in the National Nuclear Security Administration (NNSA), U.S.
Department of Energy under contract DE-AC05-00OR22725 with Oak Ridge
National Laboratory, managed and operated by UT-Battelle, LLC.
NR 35
TC 2
Z9 2
U1 4
U2 11
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1546-542X
J9 INT J APPL CERAM TEC
JI Int. J. Appl. Ceram. Technol.
PD JUL-AUG
PY 2011
VL 8
IS 4
BP 725
EP 733
DI 10.1111/j.1744-7402.2010.02527.x
PG 9
WC Materials Science, Ceramics
SC Materials Science
GA 788ND
UT WOS:000292450800004
ER
PT J
AU Jadaan, OM
Wereszczak, AA
Johanns, KE
Daloz, WL
AF Jadaan, Osama M.
Wereszczak, Andrew A.
Johanns, Kurt E.
Daloz, William L.
TI Weibull Effective Area for Hertzian Ring Crack Initiation
SO INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
LA English
DT Article
ID INDENTER; FRACTURE
AB Spherical or Hertzian indentation is used to characterize and guide the development of engineered ceramics under consideration for diverse applications involving contact, wear, rolling fatigue, and impact. Ring crack initiation can be one important damage mechanism of Hertzian indentation. It is caused by surface-located, radial tensile stresses in an annular ring located adjacent to and outside the Hertzian contact circle. While the maximum radial tensile stress is known to be dependent on the elastic properties of the sphere and target, diameter of the sphere, applied compressive force, and coefficient of friction, the Weibull effective area too will be affected by these parameters. However, estimations of a maximum radial tensile stress and Weibull effective area are difficult to obtain because the coefficient of friction during indentation is not known a priori. Circumventing this, the Weibull effective area expressions are derived here for the two extremes that bracket all coefficients of friction; namely (1) the classical, pure-slip frictionless case and (2) the case of an infinite coefficient of friction or pure stick.
C1 [Jadaan, Osama M.] Univ Wisconsin, Coll Engn Math & Sci, Platteville, WI 53818 USA.
[Wereszczak, Andrew A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Johanns, Kurt E.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Daloz, William L.] Georgia Inst Technol, Dept Mat Sci & Engn, Atlanta, GA 30332 USA.
RP Jadaan, OM (reprint author), Univ Wisconsin, Coll Engn Math & Sci, Platteville, WI 53818 USA.
EM Jadaan@uwplatt.edu
RI Wereszczak, Andrew/I-7310-2016
OI Wereszczak, Andrew/0000-0002-8344-092X
FU U.S. Army Tank-Automotive Research, Development and Engineering Center
[DE-AC-00OR22725]; UT-Battelle, LLC; U.S. Army Research, Development and
Engineering Command-Tank-Automotive and Armaments Command
FX Research sponsored by Work For Others sponsor U.S. Army Tank-Automotive
Research, Development and Engineering Center, under contract
DE-AC-00OR22725 with UT-Battelle, LLC.; The authors thank F. Rickert and
D. Templeton of the U.S. Army Research, Development and Engineering
Command-Tank-Automotive and Armaments Command for sponsoring this work.
We also thank ORNL's P. Becher and P. Blau for their useful suggestions.
NR 14
TC 4
Z9 4
U1 0
U2 6
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1546-542X
J9 INT J APPL CERAM TEC
JI Int. J. Appl. Ceram. Technol.
PD JUL-AUG
PY 2011
VL 8
IS 4
BP 824
EP 831
DI 10.1111/j.1744-7402.2010.02514.x
PG 8
WC Materials Science, Ceramics
SC Materials Science
GA 788ND
UT WOS:000292450800015
ER
PT J
AU Wereszczak, AA
Dalozw, WL
Strong, KT
Jadaan, OM
AF Wereszczak, Andrew A.
Dalozw, William L.
Strong, Kevin T., Jr.
Jadaan, Osama M.
TI Effect of Indenter Elastic Modulus on Hertzian Ring Crack Initiation in
Silicon Carbide
SO INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
LA English
DT Article
ID BRITTLE MATERIALS; FRACTURE
AB Hertzian ring cracking in two SiCs was studied as a function of elastic property mismatch between indenter and target. Ring crack initiation forces (RCIF) were measured using ZrO(2), steel, Si(3)N(4), Al(2)O(3), and WC balls. The SiCs were similar; however, similar to 20% of the grains in one were larger than the largest grains in the other. Decreasing indenter stiffness resulted in lower RCIFs and initiation occurred at lower forces in the SiC containing larger grains. Using a spherical indenter with similar elastic properties as the target provides a simpler interpretation and useful and confident estimates of ring crack initiation stresses.
C1 [Wereszczak, Andrew A.; Dalozw, William L.; Strong, Kevin T., Jr.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Jadaan, Osama M.] Univ Wisconsin, Coll Engn Math & Sci, Platteville, WI 53818 USA.
RP Wereszczak, AA (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM wereszczakaa@ornl.gov
RI Wereszczak, Andrew/I-7310-2016
OI Wereszczak, Andrew/0000-0002-8344-092X
FU U.S. Army Tank-Automotive Research, Development and Engineering Center
[DE-AC-00OR22725]; UT-Battelle, LLC; United States Government
[DE-AC05-00OR22725]; United States Department of Energy
FX Research performed under Work For Others funded by the U.S. Army
Tank-Automotive Research, Development and Engineering Center, under
contract DE-AC-00OR22725 with UT-Battelle, LLC.; This submission was
produced by a contractor of the United States Government under contract
DE-AC05-00OR22725 with the United States Department of Energy.
NR 12
TC 3
Z9 3
U1 0
U2 4
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1546-542X
J9 INT J APPL CERAM TEC
JI Int. J. Appl. Ceram. Technol.
PD JUL-AUG
PY 2011
VL 8
IS 4
BP 885
EP 894
DI 10.1111/j.1744-7402.2010.02522.x
PG 10
WC Materials Science, Ceramics
SC Materials Science
GA 788ND
UT WOS:000292450800021
ER
PT J
AU Lang, ZQ
Park, G
Farrar, CR
Todd, MD
Mao, Z
Zhao, L
Worden, K
AF Lang, Z. Q.
Park, G.
Farrar, C. R.
Todd, M. D.
Mao, Z.
Zhao, L.
Worden, K.
TI Transmissibility of non-linear output frequency response functions with
application in detection and location of damage in MDOF structural
systems
SO INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
LA English
DT Article
DE Transmissibility; Non-linear MDOF systems; Damage detection and location
ID PERIODIC STRUCTURES; COMPONENTS
AB Transmissibility is a well-known linear system concept that has been widely applied in the diagnosis of damage in various engineering structural systems. However, in engineering practice, structural systems can behave non-linearly due to certain kinds of damage such as, e.g., breathing cracks. In the present study, the concept of transmissibility is extended to the non-linear case by introducing the Transmissibility of Non-linear Output Frequency Response Functions (NOFRFs). The NOFRFs are a concept recently proposed by the authors for the analysis of non-linear systems in the frequency domain. A NOFRF transmissibility-based technique is then developed for the detection and location of both linear and non-linear damage in MDOF structural systems. Numerical simulation results verify the effectiveness of the new technique. Experimental studies on a three-storey building structure demonstrate the potential to apply the developed technique to the detection and location of damage in practical MDOF engineering structures. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Lang, Z. Q.; Zhao, L.] Univ Sheffield, Dept Automat Control & Syst Engn, Sheffield S1 3JD, S Yorkshire, England.
[Park, G.; Farrar, C. R.] Los Alamos Natl Lab, Engn Inst, Los Alamos, NM 87545 USA.
[Todd, M. D.; Mao, Z.] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA.
[Worden, K.] Univ Sheffield, Dept Mech Engn, Sheffield S1 3JD, S Yorkshire, England.
RP Lang, ZQ (reprint author), Univ Sheffield, Dept Automat Control & Syst Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England.
EM z.lang@sheffield.ac.uk
RI Farrar, Charles/C-6954-2012;
OI Farrar, Charles/0000-0001-6533-6996
NR 30
TC 16
Z9 16
U1 1
U2 21
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7462
EI 1878-5638
J9 INT J NONLIN MECH
JI Int. J. Non-Linear Mech.
PD JUL
PY 2011
VL 46
IS 6
BP 841
EP 853
DI 10.1016/j.ijnonlinmec.2011.03.009
PG 13
WC Mechanics
SC Mechanics
GA 788JS
UT WOS:000292441800004
ER
PT J
AU Mei, F
Fu, HJ
Chen, DR
AF Mei, Fan
Fu, Huijing
Chen, Da-Ren
TI A cost-effective differential mobility analyzer (cDMA) for multiple DMA
column applications
SO JOURNAL OF AEROSOL SCIENCE
LA English
DT Article
DE Cost-effective differential mobility analyzer; Macromolecules; Transfer
function; Size resolution; Transmission efficiency
ID SIZE-RANGE; AEROSOL MEASUREMENTS; PROTEIN COMPLEXES; PARTICLE-SIZE;
NANO-DMA; NANOPARTICLES; IONS; SPECTROMETER; IONIZATION; VIRUSES
AB In aerosol research and applications, a differential mobility analyzer (DMA) is now considered the standard tool for sizing and classifying monodisperse particles in the sub-micrometer and nanometer size ranges. However, DMA application at the pilot or industrial production scale remains infeasible because of the low mass throughput. A simple way to scale up DMA operation is to use multiple DMA columns. The manufacture and maintenance costs of existing DMAs, however, limit such a scale-up. A cost-effective DMA column (named cDMA) has thus been developed in this work to address the above issue. To reduce its manufacturing cost, the prototype was constructed using parts requiring little machining. The cDMA column was also designed for easy maintenance and easy variation of the classification length for any application-specified size range. In this study, prototypes with two particle classification lengths, 1.75 and 4.50 cm, were constructed and their performance was experimentally evaluated at sheath-to-aerosol flowrate ratios of 5:1, 10:1, and 15:1 via the tandem DMA (TDMA) technique. It was concluded that both prototype cDMAs, operated at a sheath/aerosol flowrate ratio less than 15:1 and with a polydisperse aerosol flowrate of 1.0 lpm, achieved sizing resolution comparable to that offered by Nano-DMA. The longer cDMA had comparable transmission efficiency to that of Nano-DMA, and the shorter cDMA exceeded the performance of Nano-DMA. Hence, the cDMA with the shorter (1.75 cm) classification length is better suited for the characterization of macromolecular samples. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Fu, Huijing; Chen, Da-Ren] Washington Univ, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA.
[Mei, Fan] Brookhaven Natl Lab, Div Atmospher Sci, Upton, NY 11973 USA.
RP Chen, DR (reprint author), Washington Univ, Dept Energy Environm & Chem Engn, Campus Box 1180,1 Brookings Dr, St Louis, MO 63130 USA.
EM chen@seas.wustl.edu
RI Mei, Fan/H-2665-2012; Mei, Fan/D-9953-2013;
OI Mei, Fan/0000-0003-4285-2749
FU GeneSeek Inc.
FX The authors are grateful for the partial financial support provided by
GeneSeek Inc. for this DMA development.
NR 51
TC 6
Z9 6
U1 0
U2 11
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0021-8502
J9 J AEROSOL SCI
JI J. Aerosol. Sci.
PD JUL
PY 2011
VL 42
IS 7
BP 462
EP 473
DI 10.1016/j.jaerosci.2011.04.001
PG 12
WC Engineering, Chemical; Engineering, Mechanical; Environmental Sciences;
Meteorology & Atmospheric Sciences
SC Engineering; Environmental Sciences & Ecology; Meteorology & Atmospheric
Sciences
GA 787HF
UT WOS:000292366500002
ER
PT J
AU Goesten, MG
Juan-Alcaniz, J
Ramos-Fernandez, EV
Gupta, KBSS
Stavitski, E
van Bekkum, H
Gascon, J
Kapteijn, F
AF Goesten, Maarten G.
Juan-Alcaniz, Jana
Ramos-Fernandez, Enrique V.
Gupta, K. B. Sai Sankar
Stavitski, Eli
van Bekkum, Herman
Gascon, Jorge
Kapteijn, Freek
TI Sulfation of metal-organic frameworks: Opportunities for acid catalysis
and proton conductivity
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Metal-organic frameworks; MIL-53; MIL-101; Esterification; Proton
conductivity; Flexibility
ID TEREPHTHALATE MIL-53; SPECTROSCOPY; NMR; ADSORPTION; CO2; HYDRATION;
SORPTION; SOLIDS; SULFUR; SITES
AB A new post-functionalization method for metal-organic frameworks (MOFs) has been developed to introduce acidity for catalysis. Upon treatment with a mixture of triflic anhydride and sulfuric acid, chemically stable MOF structures MIL-101(Cr) and MIL-53(Al) can be sulfated, resulting in a Bronsted sulfoxy acid group attached to up to 50% of the aromatic terephthalate linkers of the structure. The sulfated samples have been extensively characterized by solid-state NMR, XANES, and FTIR spectroscopy. The functionalized acidic frameworks show catalytic activity similar to that of acidic polymers like Nafion (R) display in the esterification of n-butanol with acetic acid (TOF similar to 1 min(-1) @ 343 K). Water adsorbs strongly up to 4 molecules per sulfoxy acid group, and an additional 2 molecules are taken up at lower temperatures in the 1-D pore channels of S-MIL-53(Al). The high water content and Bronsted acidity provide the structure S-MIL-53(Al) a high proton conductivity up to moderate temperatures. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Goesten, Maarten G.; Juan-Alcaniz, Jana; Ramos-Fernandez, Enrique V.; van Bekkum, Herman; Gascon, Jorge; Kapteijn, Freek] Delft Univ Technol, Catalysis Engn Chem Engn Dept, NL-2628 BL Delft, Netherlands.
[Gupta, K. B. Sai Sankar] Leiden Univ, NMR Dept, Leiden, Netherlands.
[Stavitski, Eli] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA.
RP Gascon, J (reprint author), Delft Univ Technol, Catalysis Engn Chem Engn Dept, Julianalaan 136, NL-2628 BL Delft, Netherlands.
EM j.gascon@tudelft.nl
RI Juan-Alcaniz, Jana/F-7875-2010; Kapteijn, Frederik /F-2031-2010;
Laboratory, Advanced Materials/I-7298-2015; Gascon, Joaquim/M-3598-2015;
Gascon, Jorge/E-8798-2010; Stavitski, Eli/C-4863-2009; Group,
CE/C-3853-2009; Ramos-Fernandez, Enrique V./B-8407-2011
OI Kapteijn, Frederik /0000-0003-0575-7953; Gascon,
Joaquim/0000-0002-5045-1585; Gascon, Jorge/0000-0001-7558-7123;
Ramos-Fernandez, Enrique V./0000-0001-6357-0383
FU US Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-98CH10886]; TUDelft; European Commission; Netherlands
Science Foundation
FX Use of the National Synchrotron Light Source, Brookhaven National
Laboratory, was supported by the US Department of Energy, Office of
Science, Office of Basic Energy Sciences, under Contract No.
DE-AC02-98CH10886. We are thankful to Dr. Syed Khalid for his help with
the XANES measurements. TUDelft is acknowledged for financial support.
E.V.R.F. gratefully acknowledges the European Commission for his
personal Marie Curie grant. J.G. gratefully acknowledges the Netherlands
Science Foundation for his personal VENI grant.
NR 43
TC 128
Z9 129
U1 35
U2 251
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 JUL 1
PY 2011
VL 281
IS 1
BP 177
EP 187
DI 10.1016/j.jcat.2011.04.015
PG 11
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA 789BP
UT WOS:000292488600018
ER
PT J
AU Yakovlev, S
Downing, KH
AF Yakovlev, S.
Downing, K. H.
TI Crystalline ice as a cryoprotectant: theoretical calculation of cooling
speed in capillary tubes
SO JOURNAL OF MICROSCOPY
LA English
DT Article
DE Cryo-fixation; cryo-microscopy; cooling rate; vitrification
ID HIGH-PRESSURE; POLYMERIC CRYOPROTECTANTS; BIOLOGICAL ULTRASTRUCTURE;
ELECTRON-MICROSCOPY; GLASS-TRANSITION; HEAT-CAPACITY; AMORPHOUS ICE;
PRESERVATION; WATER; CRYOPRESERVATION
AB It is generally assumed that vitrification of both cells and the surrounding medium provides the best preservation of ultrastructure of biological material for study by electron microscopy. At the same time it is known that the cell cytoplasm may provide substantial cryoprotection for internal cell structure even when the medium crystallizes. Thus, vitrification of the medium is not essential for good structural preservation. By contrast, a high cooling rate is an essential factor for good cryopreservation because it limits phase separation and movement of cellular components during freezing, thus preserving the native-like state. Here we present calculations of freezing rates that incorporate the effect of medium crystallization, using finite difference methods. We demonstrate that crystallization of the medium in capillary tubes may increase the cooling rate of suspended cells by a factor of 25-300 depending on the distance from the centre. We conclude that crystallization of the medium, for example due to low cryoprotectant content, may actually improve cryopreservation of some samples in a near native state.
C1 [Yakovlev, S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Donner Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Downing, K. H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Yakovlev, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Donner Lab, Div Mat Sci, Berkeley, CA 94720 USA.
EM SYakovlev@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]
FX We wish to express our thanks to Dr. Mikhael. V. Shokurov and Dr.
Alexander V. Prusov from the Marine Hydrophysical Institute. Ukrainian
National Academy of Sciences, for help with computational aspects of the
work. This work has been supported by the Director, Office of Science,
Office of Basic Energy Sciences, Materials Sciences and Engineering
Division, of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231.
NR 36
TC 3
Z9 3
U1 0
U2 7
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0022-2720
J9 J MICROSC-OXFORD
JI J. Microsc..
PD JUL
PY 2011
VL 243
IS 1
BP 8
EP 14
DI 10.1111/j.1365-2818.2011.03498.x
PG 7
WC Microscopy
SC Microscopy
GA 788XT
UT WOS:000292478400002
PM 21534954
ER
PT J
AU Superko, HR
Momary, KM
Pendyala, LK
Williams, PT
Frohwein, S
Garrett, BC
Skrifvars, C
Gadesam, R
King, SB
Rolader, S
Meyers, B
Dusik, D
Polite, S
AF Superko, H. Robert
Momary, Kathryn M.
Pendyala, Lakshmana K.
Williams, Paul T.
Frohwein, Steven
Garrett, Brenda C.
Skrifvars, Cathy
Gadesam, Radhika
King, Spencer B., III
Rolader, Steve
Meyers, Bill
Dusik, David
Polite, Stoney
TI Firefighters, Heart Disease, and Aspects of Insulin Resistance The FEMA
Firefighter Heart Disease Prevention Study
SO JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
LA English
DT Article
ID CARDIOVASCULAR RISK-FACTORS; METABOLIC SYNDROME; UNITED-STATES;
MYOCARDIAL-INFARCTION; BLOOD-PRESSURE; SYNDROME-X; CHOLESTEROL; ADULTS;
MEN; CLASSIFICATION
AB Objective: To determine the association of cardiovascular risk markers with noninvasive imaging of atherosclerosis in firefighters. Methods: Cross-sectional investigation of subclinical atherosclerosis with metabolic, work related, and life-style variables in 296 professional firefighters. Results: Calcified coronary atherosclerosis (CAC), carotid arterial intimal thickness (CIMT), and electrocardiogram provided independent CVD assessments. Homeostatic Model Assessment (HOMA) concentrations were related to heart-rate-corrected QT (QTc) (slope +/- SE: 2.16 +/- 65, P = 0.001), average common CIMT (0.019 +/- 0.005 mm, P = 0.0005), and total CAC lesions (0.269 +/- 0.116, P = 0.02). Stepwise linear regression selected fasting insulin as the strongest predictor for QTc, HOMA as the strongest predictor of average CIMT, and fasting glucose as the strongest predictor of total coronary lesion number and score. Conclusion: Firemen's HOMA and fasting insulin and glucose concentrations were significantly associated with three measures of CVD. Aspects of insulin resistance are related to CVD risk among firefighters.
C1 [Superko, H. Robert; Momary, Kathryn M.; Frohwein, Steven; Garrett, Brenda C.; Skrifvars, Cathy; Gadesam, Radhika; King, Spencer B., III] Mercer Univ, Sch Pharmaceut Sci, St Josephs Res Inst, Atlanta, GA USA.
[Superko, H. Robert; Garrett, Brenda C.] Cholesterol Genet & Heart Dis Inst, Portola Valley, CA USA.
Celera Corp, Alameda, CA USA.
[Pendyala, Lakshmana K.] Univ Louisville, Louisville, KY 40292 USA.
[Williams, Paul T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Rolader, Steve; Meyers, Bill; Dusik, David; Polite, Stoney] Gwinnett Cty Fire Serv, Gwinnett Cty, GA USA.
RP Superko, HR (reprint author), 1401 Harbor Bay Pkwy, Alameda, CA 94502 USA.
EM HighHDL@mac.com
OI Superko, H. Robert/0000-0002-3542-0393
FU FEMA Grant [EMW-2006-FP-01744]
FX The funding source of this article was FEMA Grant #EMW-2006-FP-01744.
NR 37
TC 3
Z9 3
U1 0
U2 1
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 1076-2752
J9 J OCCUP ENVIRON MED
JI J. Occup. Environ. Med.
PD JUL
PY 2011
VL 53
IS 7
BP 758
EP 764
DI 10.1097/JOM.0b013e31821f64c3
PG 7
WC Public, Environmental & Occupational Health
SC Public, Environmental & Occupational Health
GA 789TQ
UT WOS:000292539600011
PM 21701401
ER
PT J
AU Zhang, QB
Monroe, ME
Schepmoes, AA
Clauss, TRW
Gritsenko, MA
Meng, D
Petyuk, VA
Smith, RD
Metz, TO
AF Zhang, Qibin
Monroe, Matthew E.
Schepmoes, Athena A.
Clauss, Therese R. W.
Gritsenko, Marina A.
Meng, Da
Petyuk, Vladislav A.
Smith, Richard D.
Metz, Thomas O.
TI Comprehensive Identification of Glycated Peptides and Their Glycation
Motifs in Plasma and Erythrocytes of Control and Diabetic Subjects
SO JOURNAL OF PROTEOME RESEARCH
LA English
DT Article
DE nonenzymatic glycation; Amadori compound; boronate affinity
chromatography; electron transfer dissociation; type 2 diabetes
mellitus; plasma; erythrocyte; red blood cell; glycation motif
ID TANDEM MASS-SPECTROMETRY; ELECTRON-TRANSFER DISSOCIATION; HUMANIZED
MONOCLONAL-ANTIBODY; END-PRODUCTS; NONENZYMATIC GLYCOSYLATION; PROTEIN
GLYCATION; MAILLARD REACTION; COMPLICATIONS; GLUCOSE; HEMOGLOBIN
AB Nonenzymatic glycation of proteins sets the stage for formation of advanced glycation end-products and development of chronic complications of diabetes. In this report, we extended our previous methods on proteomics analysis of glycated proteins to comprehensively identify glycated proteins in control and diabetic human plasma and erythrocytes. Using immunodepletion, enrichment, and fractionation strategies, we identified 7749 unique glycated peptides, corresponding to 3742 unique glycated proteins. Semiquantitative comparisons showed that glycation levels of a number of proteins were significantly increased in diabetes and that erythrocyte proteins were more extensively glycated than plasma proteins. A glycation motif analysis revealed that some amino acids were favored more than others in the protein primary structures in the vicinity of the glycation sites in both sample types. The glycated peptides and corresponding proteins reported here provide a foundation for potential identification of novel markers for diabetes, hyperglycemia, and diabetic complications in future studies.
C1 [Zhang, Qibin; Monroe, Matthew E.; Schepmoes, Athena A.; Clauss, Therese R. W.; Gritsenko, Marina A.; Meng, Da; Petyuk, Vladislav A.; Smith, Richard D.; Metz, Thomas O.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
RP Metz, TO (reprint author), POB 999,MS K8-98, Richland, WA 99352 USA.
EM thomas.metz@pnl.gov
RI Smith, Richard/J-3664-2012;
OI Smith, Richard/0000-0002-2381-2349; Petyuk,
Vladislav/0000-0003-4076-151X; Metz, Tom/0000-0001-6049-3968
FU NIH [DK071283]; National Center for Research Resources [RR018522]; U.S.
Department of Energy (DOE) Office of Biological and Environmental
Research; DOE [DE-AC06-76RLO-1830]
FX We thank Dr. Bart Haigh of the Institute for Bioanalytics for kindly
providing the Glycogel II boronate affinity gel and Dr. John W. Baynes
of the University of South Carolina for critically reading the
manuscript. We also thank Dr. Nancy Hess of the Environmental Molecular
Sciences Laboratory (EMSL) and Dr. Odeta Qafoku of Pacific Northwest
National Laboratory (PNNL) for providing the centrifuge used for
isolating erythrocyte membrane and cytosol proteins. This research was
supported by NIH grant DK071283; portions of this research were
supported through the National Center for Research Resources (RR018522),
and work was performed at the EMSL, a national scientific user facility
located at PNNL and sponsored by the U.S. Department of Energy (DOE)
Office of Biological and Environmental Research. PNNL is operated by
Battelle for the DOE under Contract No. DE-AC06-76RLO-1830.
NR 67
TC 37
Z9 37
U1 1
U2 25
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1535-3893
EI 1535-3907
J9 J PROTEOME RES
JI J. Proteome Res.
PD JUL
PY 2011
VL 10
IS 7
BP 3076
EP 3088
DI 10.1021/pr200040j
PG 13
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 788AI
UT WOS:000292417400019
PM 21612289
ER
PT J
AU Chen, HT
O'Hara, JF
Azad, AK
Taylor, AJ
AF Chen, Hou-Tong
O'Hara, John F.
Azad, Abul K.
Taylor, Antoinette J.
TI Manipulation of terahertz radiation using metamaterials
SO LASER & PHOTONICS REVIEWS
LA English
DT Review
DE Metamaterials; terahertz; split ring resonators; inductive-capacitive
resonance; solid state device; active device; passive properties
ID SPLIT-RING RESONATORS; TIME-DOMAIN SPECTROSCOPY; LOW-FREQUENCY PLASMONS;
NEGATIVE-INDEX; BROAD-BAND; SUPERCONDUCTING METAMATERIALS; OPTICAL
METAMATERIALS; ELECTROMAGNETIC METAMATERIALS; MAGNETIC RESPONSE; HOLE
ARRAYS
AB During the past decade electromagnetic metamaterials have realized many exotic phenomena that are difficult or impossible using naturally occurring materials. It is their resonantly enhanced interaction with electromagnetic waves that underpins their attractive qualities, which are increasingly important in the terahertz frequency range. Passive and active terahertz metamaterials and devices have enabled novel functionality and unprecedented terahertz device performance. These demonstrations prove their potential to address the so-called terahertz gap, a technology vacuum associated with the deficiency of natural materials with a desirable terahertz response.
C1 [Chen, Hou-Tong; O'Hara, John F.; Azad, Abul K.; Taylor, Antoinette J.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
RP Chen, HT (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, MS K771, Los Alamos, NM 87545 USA.
EM chenht@lanl.gov
RI Chen, Hou-Tong/C-6860-2009;
OI Chen, Hou-Tong/0000-0003-2014-7571; Azad, Abul/0000-0002-7784-7432
FU Los Alamos National Laboratory; National Nuclear Security Administration
of the US Department of Energy [DE-AC52-06NA25396]
FX We acknowledge support from the Los Alamos National Laboratory LDRD
Program. This work was performed, in part, at the Center for Integrated
Nanotechnologies, a US Department of Energy, 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 US Department of Energy under contract
DE-AC52-06NA25396.
NR 151
TC 76
Z9 77
U1 11
U2 86
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY
SN 1863-8880
J9 LASER PHOTONICS REV
JI Laser Photon. Rev.
PD JUL
PY 2011
VL 5
IS 4
BP 513
EP 533
DI 10.1002/lpor.201000043
PG 21
WC Optics; Physics, Applied; Physics, Condensed Matter
SC Optics; Physics
GA 789TY
UT WOS:000292540400004
ER
PT J
AU Pogorelsky, IV
Polyanskiy, MN
Babzien, M
Yakimenko, V
Dover, NP
Palmer, CAJ
Najmudin, Z
Schreiber, J
Shkolnikov, P
Dudnikova, G
AF Pogorelsky, I. V.
Polyanskiy, M. N.
Babzien, M.
Yakimenko, V.
Dover, N. P.
Palmer, C. A. J.
Najmudin, Z.
Schreiber, J.
Shkolnikov, P.
Dudnikova, G.
TI Laser-induced cavities and solitons in overcritical hydrogen plasma
SO LASER PHYSICS
LA English
DT Article
AB A picosecond CO(2) laser was used successfully in a number of experiments exploring advanced methods of particle acceleration [1]. Proton acceleration from gas-jet plasma exemplifies another advantage of employing the increase in laser wavelength from the optical to the mid-IR region. Recent theoretical- and experimental-studies of ion acceleration from laser-generated plasma point to better ways to control the ion beam's energy when plasma approaches the critical density. Studying this regime with solid-state lasers is problematic due to the dearth of plasma sources at the critical electron density similar to 10(21) cm(-3), corresponding to laser wavelength lambda = 1 mu m. CO(2) laser offers a solution. The CO(2) laser's 10 mu m wavelength shifts the critical plasma density to 10(19) cm(-3), a value attainable with gas jets. Capitalizing on this approach, we focused a circular polarized 1-TW CO(2) laser beam onto a hydrogen gas jet and observed a monoenergetic proton beam in the 1-2 MeV range. Simultaneously, we optically probed the laser/plasma interaction region with visible light, revealing holes bored by radiation pressure, as well as quasi-stationary soliton-like plasma formations. Our findings from 2D PIC simulations agree with experimental results and aid in their interpretation.
C1 [Pogorelsky, I. V.; Polyanskiy, M. N.; Babzien, M.; Yakimenko, V.] Brookhaven Natl Lab, Accelerator Test Facil, Upton, NY 11973 USA.
[Dover, N. P.; Palmer, C. A. J.; Najmudin, Z.; Schreiber, J.] Imperial Coll London, Blackett Lab, London SW7 2BW, England.
[Shkolnikov, P.] SUNY Stony Brook, Elect & Comp Eng Dept, Stony Brook, NY 11794 USA.
[Dudnikova, G.] Univ Maryland, College Pk, MD 20742 USA.
RP Pogorelsky, IV (reprint author), Brookhaven Natl Lab, Accelerator Test Facil, Upton, NY 11973 USA.
EM igor@bnl.gov
RI Polyanskiy, Mikhail/E-8406-2010
FU Libra Basic Technology Consortium; US DOE [DE-FG02-07ER41488]
FX The work was partly funded by the Libra Basic Technology Consortium and
US DOE grant DE-FG02-07ER41488. We thank D. Neely, P. Foster, and J.
Green for help with the proton energy diagnostic, and K. Kusche and the
ATF technical staff for their assistance with our experiments.
NR 13
TC 1
Z9 1
U1 0
U2 11
PU MAIK NAUKA/INTERPERIODICA/SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA
SN 1054-660X
J9 LASER PHYS
JI Laser Phys.
PD JUL
PY 2011
VL 21
IS 7
BP 1288
EP 1294
DI 10.1134/S1054660X11130226
PG 7
WC Optics; Physics, Applied
SC Optics; Physics
GA 788SE
UT WOS:000292463900027
ER
PT J
AU Botta, F
Mairani, A
Battistoni, G
Cremonesi, M
Di Dia, A
Fasso, A
Ferrari, A
Ferrari, M
Paganelli, G
Pedroli, G
Valente, M
AF Botta, F.
Mairani, A.
Battistoni, G.
Cremonesi, M.
Di Dia, A.
Fasso, A.
Ferrari, A.
Ferrari, M.
Paganelli, G.
Pedroli, G.
Valente, M.
TI Calculation of electron and isotopes dose point kernels with FLUKA Monte
Carlo code for dosimetry in nuclear medicine therapy
SO MEDICAL PHYSICS
LA English
DT Article
DE dose point kernel; FLUKA; Monte Carlo simulation; dosimetry;
radionuclide therapy
ID PENELOPE CODE; WATER; DISTRIBUTIONS; RADIOTHERAPY; BREMSSTRAHLUNG;
SIMULATIONS; VALIDATION; SCATTERING; MCNPX; MODEL
AB Purpose: The calculation of patient-specific dose distribution can be achieved by Monte Carlo simulations or by analytical methods. In this study, FLUKA Monte Carlo code has been considered for use in nuclear medicine dosimetry. Up to now, FLUKA has mainly been dedicated to other fields, namely high energy physics, radiation protection, and hadrontherapy. When first employing a Monte Carlo code for nuclear medicine dosimetry, its results concerning electron transport at energies typical of nuclear medicine applications need to be verified. This is commonly achieved by means of calculation of a representative parameter and comparison with reference data. Dose point kernel (DPK), quantifying the energy deposition all around a point isotropic source, is often the one.
Methods: FLUKA DPKS have been calculated in both water and compact bone for monoenergetic electrons (10-3 MeV) and for beta emitting isotopes commonly used for therapy ((89)Sr, (90)Y, (131)I, (153)Sm, (177)Lu, (186)Re, and (188)Re). Point isotropic sources have been simulated at the center of a water (bone) sphere, and deposed energy has been tallied in concentric shells. FLUKA outcomes have been compared to PENELOPE v.2008 results, calculated in this study as well. Moreover, in case of monoenergetic electrons in water, comparison with the data from the literature (ETRAN, GEANT4, MCNPX) has been done. Maximum percentage differences within 0.8.R(CSDA) and 0.9.R(CSDA) for monoenergetic electrons (R(CSDA) being the continuous slowing down approximation range) and within 0.8.X(90) and 0.9.X(90) for isotopes (X(90) being the radius of the sphere in which 90% of the emitted energy is absorbed) have been computed, together with the average percentage difference within 0.9.R(CSDA) and 0.9.X(90) for electrons and isotopes, respectively.
Results: Concerning monoenergetic electrons, within 0.8.R(CSDA) (where 90%-97% of the particle energy is deposed), FLUKA and PENELOPE agree mostly within 7%, except for 10 and 20 keV electrons (12% in water, 8.3% in bone). The discrepancies between FLUKA and the other codes are of the same order of magnitude than those observed when comparing the other codes among them, which can be referred to the different simulation algorithms. When considering the beta spectra, discrepancies notably reduce: within 0.9.X(90), FLUKA and PENELOPE differ for less than 1% in water and less than 2% in bone with any of the isotopes here considered. Complete data of FLUKA DPKs are given as Supplementary Material as a tool to perform dosimetry by analytical point kernel convolution.
Conclusions: FLUKA provides reliable results when transporting electrons in the low energy range, proving to be an adequate tool for nuclear medicine dosimetry. (C) 2011 American Association of Physicists in Medicine. [DOI:10.1118/1.3586038]
C1 [Mairani, A.; Battistoni, G.] Ist Nazl Fis Nucl, I-20133 Milan, Italy.
[Botta, F.; Cremonesi, M.; Di Dia, A.; Ferrari, M.; Pedroli, G.] European Inst Oncol, Dept Med Phys, I-20141 Milan, Italy.
[Fasso, A.] Jefferson Lab, Newport News, VA 23606 USA.
[Ferrari, A.] CERN, CH-1211 Geneva 23, Switzerland.
[Paganelli, G.] European Inst Oncol, Dept Nucl Med, I-2014 Milan, Italy.
[Valente, M.] Univ Nacl Cordoba, FaMAF, RA-5000 Cordoba, Argentina.
[Valente, M.] Consejo Nacl Invest Cient & Tecn, RA-5000 Cordoba, Argentina.
RP Battistoni, G (reprint author), Ist Nazl Fis Nucl, Via Celoria 16, I-20133 Milan, Italy.
EM giuseppe.battistoni@mi.infn.it
RI Battistoni, Giuseppe/B-5264-2012;
OI Battistoni, Giuseppe/0000-0003-3484-1724; VALENTE,
MAURO/0000-0002-1229-1154
NR 39
TC 22
Z9 23
U1 2
U2 15
PU AMER ASSOC PHYSICISTS MEDICINE AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 0094-2405
J9 MED PHYS
JI Med. Phys.
PD JUL
PY 2011
VL 38
IS 7
BP 3944
EP 3954
DI 10.1118/1.3586038
PG 11
WC Radiology, Nuclear Medicine & Medical Imaging
SC Radiology, Nuclear Medicine & Medical Imaging
GA 789NB
UT WOS:000292521100006
PM 21858991
ER
PT J
AU Chanda, D
Shigeta, K
Gupta, S
Cain, T
Carlson, A
Mihi, A
Baca, AJ
Bogart, GR
Braun, P
Rogers, JA
AF Chanda, Debashis
Shigeta, Kazuki
Gupta, Sidhartha
Cain, Tyler
Carlson, Andrew
Mihi, Agustin
Baca, Alfred J.
Bogart, Gregory R.
Braun, Paul
Rogers, John A.
TI Large-area flexible 3D optical negative index metamaterial formed by
nanotransfer printing
SO NATURE NANOTECHNOLOGY
LA English
DT Article
ID NANOIMPRINT LITHOGRAPHY; TERAHERTZ FREQUENCIES; REFRACTIVE-INDEX;
FABRICATION
AB Negative-index metamaterials (NIMs) are engineered structures with optical properties that cannot be obtained in naturally occurring materials(1-3). Recent work has demonstrated that focused ion beam(4) and layer-by-layer electron-beamlithography(5) can be used to pattern the necessary nanoscale features over small areas (hundreds of mu m(2)) for metamaterials with three-dimensional layouts and interesting characteristics, including negative-index behaviour in the optical regime. A key challenge is in the fabrication of such three-dimensional NIMs with sizes and at throughputs necessary for many realistic applications (including lenses, resonators and other photonic components(6-8)). We report a simple printing approach capable of forming large-area, high-quality NIMs with three-dimensional, multilayer formats. Here, a silicon wafer with deep, nanoscale patterns of surface relief serves as a reusable stamp. Blanket deposition of alternating layers of silver and magnesium fluoride onto such a stamp represents a process for 'inking' it with thick, multilayer assemblies. Transfer printing this ink material onto rigid or flexible substrates completes the fabrication in a high-throughput manner. Experimental measurements and simulation results show that macroscale, three-dimensional NIMs (>75 cm(2)) nano-manufactured in this way exhibit a strong, negative index of refraction in the near-infrared spectral range, with excellent figures of merit.
C1 [Chanda, Debashis; Shigeta, Kazuki; Gupta, Sidhartha; Cain, Tyler; Carlson, Andrew; Mihi, Agustin; Braun, Paul; Rogers, John A.] Univ Illinois, Dept Mat Sci, Beckman Inst, Urbana, IL 61801 USA.
[Chanda, Debashis; Shigeta, Kazuki; Gupta, Sidhartha; Cain, Tyler; Carlson, Andrew; Mihi, Agustin; Braun, Paul; Rogers, John A.] Univ Illinois, Dept Engn, Beckman Inst, Urbana, IL 61801 USA.
[Chanda, Debashis; Shigeta, Kazuki; Gupta, Sidhartha; Cain, Tyler; Carlson, Andrew; Mihi, Agustin; Braun, Paul; Rogers, John A.] Univ Illinois, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA.
[Rogers, John A.] Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA.
[Baca, Alfred J.] USN, NAVAIR NAWCWD, Res & Intelligence Dept, Chem Branch, China Lake, CA 93555 USA.
[Bogart, Gregory R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Rogers, JA (reprint author), Univ Illinois, Dept Mat Sci, Beckman Inst, Urbana, IL 61801 USA.
EM jrogers@uiuc.edu
RI Mihi, Agustin/F-6416-2011; Rogers, John /L-2798-2016
FU Office of Naval Research; US Department of Energy [DE-AC04-94AL85000]
FX The work at University of Illinois was supported by a grant from the
Office of Naval Research. The authors also gratefully knowledge the
contribution of Sandia National Laboratory, which is a multi-programme
laboratory operated by Sandia Corporation, a Lockheed Martin Company,
for the US Department of Energy (contract no. DE-AC04-94AL85000), in
fabricating the large-area master mask using deep UV lithography.
NR 35
TC 150
Z9 153
U1 38
U2 333
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1748-3387
EI 1748-3395
J9 NAT NANOTECHNOL
JI Nat. Nanotechnol.
PD JUL
PY 2011
VL 6
IS 7
BP 402
EP 407
DI 10.1038/NNANO.2011.82
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA 788RV
UT WOS:000292463000007
PM 21642984
ER
PT J
AU Crease, RP
Qiu, GM
AF Crease, Robert P.
Qiu, Guangming
TI Critical Point Chinese metrology
SO PHYSICS WORLD
LA English
DT Editorial Material
C1 [Crease, Robert P.] SUNY Stony Brook, Dept Philosophy, Stony Brook, NY 11790 USA.
[Crease, Robert P.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Crease, RP (reprint author), SUNY Stony Brook, Dept Philosophy, Stony Brook, NY 11790 USA.
EM rcrease@notes.cc.sunysb.edu
NR 0
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-8585
J9 PHYS WORLD
JI Phys. World
PD JUL
PY 2011
VL 24
IS 7
BP 16
EP 17
PG 2
WC Physics, Multidisciplinary
SC Physics
GA 790FU
UT WOS:000292574700012
ER
PT J
AU Camporeale, E
Burgess, D
AF Camporeale, Enrico
Burgess, David
TI THE DISSIPATION OF SOLAR WIND TURBULENT FLUCTUATIONS AT ELECTRON SCALES
(vol 730, pg 114, 2011)
SO ASTROPHYSICAL JOURNAL
LA English
DT Correction
C1 [Camporeale, Enrico] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Burgess, David] Queen Mary Univ London, Sch Math Sci, London E1 4NS, England.
RP Camporeale, E (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
NR 1
TC 0
Z9 0
U1 0
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 JUL 1
PY 2011
VL 735
IS 1
AR 67
DI 10.1088/0004-637X/735/1/67
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 779OM
UT WOS:000291788300067
ER
PT J
AU Escala, A
AF Escala, Andres
TI A LAW FOR STAR FORMATION IN GALAXIES
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE galaxies: formation; galaxies: ISM; galaxies: star formation;
instabilities
ID ULTRALUMINOUS INFRARED GALAXIES; INITIAL MASS FUNCTION; GLOBAL SCHMIDT
LAW; NEARBY GALAXIES; GALACTIC DISKS; MOLECULAR GAS;
INTERSTELLAR-MEDIUM; SPIRAL GALAXIES; VIRGO CLUSTER; ENVIRONMENT
AB We study the galactic-scale triggering of star formation. We find that the largest mass scale not stabilized by rotation, a well-defined quantity in a rotating system and with clear dynamical meaning, strongly correlates with the star formation rate in a wide range of galaxies. We find that this relation can be understood in terms of self-regulation toward marginal Toomre stability and the amount of turbulence allowed to sustain the system in this self-regulated quasi-stationary state. We test such an interpretation by computing the predicted star formation rates for a galactic interstellar medium characterized by a lognormal probability distribution function and find good agreement with the observed relation.
C1 [Escala, Andres] Univ Chile, Dept Astron, Santiago, Chile.
[Escala, Andres] Stanford Univ, Dept Phys, Kavli Inst Particle Astrophys & Cosmol, SLAC, Menlo Pk, CA 94025 USA.
RP Escala, A (reprint author), Univ Chile, Dept Astron, Casilla 36-D, Santiago, Chile.
RI Escala, Andres /J-6618-2016
FU Center of Excellence in Astrophysics and Associated Technologies [PFB
06]; FONDECYT [11090216]; Comite Mixto ESO-Chile
FX I thank Richard Larson for valuable comments on an early version of the
draft, Catherine Vlahakis for proofreading this manuscript, and the
referee, Brant Robertson, for a constructive report. I am indebted to
Fernando Becerra for performing the error analysis and graphical
display. I also acknowledge partial support from the Center of
Excellence in Astrophysics and Associated Technologies (PFB 06),
FONDECYT Iniciacion Grant 11090216, and from the Comite Mixto ESO-Chile.
NR 44
TC 9
Z9 9
U1 0
U2 6
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 JUL 1
PY 2011
VL 735
IS 1
AR 56
DI 10.1088/0004-637X/735/1/56
PG 5
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 779OM
UT WOS:000291788300056
ER
PT J
AU Myers, AT
Krumholz, MR
Klein, RI
McKee, CF
AF Myers, Andrew T.
Krumholz, Mark R.
Klein, Richard I.
McKee, Christopher F.
TI METALLICITY AND THE UNIVERSALITY OF THE INITIAL MASS FUNCTION
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE ISM: clouds; radiative transfer; stars: formation; stars: luminosity
function; mass function turbulence
ID SMALL-MAGELLANIC-CLOUD; SELF-GRAVITATIONAL HYDRODYNAMICS; ADAPTIVE MESH
REFINEMENT; STAR-FORMATION; MOLECULAR CLOUDS; PROTOSTELLAR COLLAPSE;
DISRUPTION MECHANISMS; RADIATIVE-TRANSFER; ANTENNAE GALAXIES; TURBULENT
CORES
AB The stellar initial mass function (IMF), along with the star formation rate, is one of the fundamental properties that any theory of star formation must explain. An interesting feature of the IMF is that it appears to be remarkably universal across a wide range of environments. Particularly, there appears to be little variation in either the characteristic mass of the IMF or its high-mass tail between clusters with different metallicities. Previous attempts to understand this apparent independence of metallicity have not accounted for radiation feedback from high-mass protostars, which can dominate the energy balance of the gas in star-forming regions. We extend this work, showing that the fragmentation of molecular gas should depend only weakly on the amount of dust present, even when the primary heating source is radiation from massive protostars. First, we report a series of core collapse simulations using the ORION AMR code that systematically vary the dust opacity and show explicitly that this has little effect on the temperature or fragmentation of the gas. Then, we provide an analytic argument for why the IMF varies so little in observed star clusters, even as the metallicity varies by a factor of 100.
C1 [Myers, Andrew T.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Krumholz, Mark R.] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95060 USA.
[Klein, Richard I.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Klein, Richard I.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[McKee, Christopher F.] Univ Calif Berkeley, Dept Phys & Astron, Berkeley, CA 94720 USA.
RP Myers, AT (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM atmyers@berkeley.edu
OI Krumholz, Mark/0000-0003-3893-854X
FU NSF [0847477, AST-0807739, CAREER-0955300, AST-0908553]; France-Berkeley
fund; Institute for Geophysics and Planetary Physics; Center for Origin,
Dynamics and Evolution of Planets; DOE [DE-FC02-06ER41453-03]; Alfred P.
Sloan Fellowship; US Department of Energy at LLNL [DE-AC52-07NA]; NASA
[NNX09AK31G]; NSF through Teragrid resources; ATFP
FX We thank Charles Hansen, Stella Offner, Andrew Cunningham, and the
anonymous referee for helpful comments. This project was initiated
during the ISIMA 2010 summer program, funded by the NSF CAREER grant
0847477, the France-Berkeley fund, the Institute for Geophysics and
Planetary Physics and the Center for Origin, Dynamics and Evolution of
Planets. We thank them for their support. Support for this work was also
provided by the DOE SciDAC program under grant DE-FC02-06ER41453-03
(A.T.M.), an Alfred P. Sloan Fellowship (M.R.K.), NSF grants AST-0807739
(M.R.K.), CAREER-0955300 (M.R.K.), and AST-0908553 (C.F.M., R.I.K., and
A.T.M.), the US Department of Energy at LLNL under contract DE-AC52-07NA
(R.I.K.), NASA through Astrophysics Theory and Fundamental Physics grant
NNX09AK31G (R.I.K., C.F.M., and M.R.K.), and through a Spitzer Space
Telescope Theoretical Research Program grant (M. R. K. and C.F.M.).
Support for computer simulations was provided by an LRAC grant from the
NSF through Teragrid resources and NASA through a grant from the ATFP.
We have used the YT software toolkit (Turk et al. 2011) for data
analysis and plotting.
NR 64
TC 27
Z9 27
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 JUL 1
PY 2011
VL 735
IS 1
AR 49
DI 10.1088/0004-637X/735/1/49
PG 10
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 779OM
UT WOS:000291788300049
ER
PT J
AU Vallinotto, A
Viel, M
Das, S
Spergel, DN
AF Vallinotto, Alberto
Viel, Matteo
Das, Sudeep
Spergel, David N.
TI CROSS-CORRELATIONS OF THE Ly alpha FOREST WITH WEAK-LENSING CONVERGENCE.
ANALYTICAL ESTIMATES OF SIGNAL-TO-NOISE RATIO AND IMPLICATIONS FOR
NEUTRINO MASS AND DARK ENERGY
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE cosmic background radiation; gravitational lensing: weak; intergalactic
medium; large-scale structure of universe; neutrinos
ID QSO ABSORPTION-SPECTRA; SLOAN DIGITAL SKY; INTERGALACTIC MEDIUM; POWER
SPECTRUM; COSMOLOGY; DENSITY; FLUCTUATIONS; BISPECTRUM; EVOLUTION;
REDSHIFT
AB We expect a detectable correlation between two seemingly unrelated quantities: the four-point function of the cosmic microwave background (CMB) and the amplitude of flux decrements in quasar (QSO) spectra. The amplitude of CMB convergence in a given direction measures the projected surface density of matter. Measurements of QSO flux decrements trace the small-scale distribution of gas along a given line of sight. While the cross-correlation between these two measurements is small for a single line of sight, upcoming large surveys should enable its detection. This paper presents analytical estimates for the signal-to-noise ratio (S/N) for measurements of the cross-correlation between the flux decrement and the convergence, , and for measurements of the cross-correlation between the variance in flux decrement and the convergence, <(delta F)(2)kappa >. For the ongoing BOSS (SDSS-III) and Planck surveys, we estimate an S/N of 30 and 9.6 for these two correlations. For the proposed BigBOSS and ACTPOL surveys, we estimate an S/N of 130 and 50, respectively. Since <(delta F)(2)kappa > proportional to sigma(4)(8), the amplitude of these cross-correlations can potentially be used to measure the amplitude of sigma(8) at z similar to 2%-2.5% with BOSS and Planck and even better with future data sets. These measurements have the potential to test alternative theories for dark energy and to constrain the mass of the neutrino. The large potential signal estimated in our analytical calculations motivates tests with nonlinear hydrodynamic simulations and analyses of upcoming data sets.
C1 [Vallinotto, Alberto] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA.
[Viel, Matteo] Osserv Astron Trieste, INAF, I-34131 Trieste, Italy.
[Viel, Matteo] Ist Nazl Fis Nucl, Natl Inst Nucl Phys, I-34127 Trieste, Italy.
[Das, Sudeep; Spergel, David N.] Princeton Univ Observ, Princeton, NJ 08544 USA.
[Das, Sudeep] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, LBNL, Berkeley, CA 94720 USA.
[Das, Sudeep] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
RP Vallinotto, A (reprint author), Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, POB 500,Kirk Rd & Pine St, Batavia, IL 60510 USA.
EM avalli@fnal.gov; viel@oats.inaf.it; sudeep@astro.princeton.edu;
dns@astro.princeton.edu
RI Spergel, David/A-4410-2011;
OI Viel, Matteo/0000-0002-2642-5707
FU DOE; NSF; [INFN/PD51]; [ASI-AAE a PRIN MIUR]; [PRIN INAF]; [ERCStG]
FX We thank S. Matarrese, F. Bernardeau, S. Dodelson, J. Frieman, E.
Sefusatti, N. Gnedin, R. Scoccimarro, S. Ho, D. Weinberg, and J. P. Uzan
for useful conversations. We also thank the referee for a constructive
report. A.V. is supported by the DOE at Fermilab. M.V. is supported by
grants INFN/PD51, ASI-AAE a PRIN MIUR, a PRIN INAF 2009, and the ERCStG
"cosmoIGM." D.N.S. and S.D. are supported by NSF grant
NR 49
TC 4
Z9 4
U1 1
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 JUL 1
PY 2011
VL 735
IS 1
AR 38
DI 10.1088/0004-637X/735/1/38
PG 20
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 779OM
UT WOS:000291788300038
ER
PT J
AU Labaj, PP
Leparc, GG
Linggi, BE
Markillie, LM
Wiley, HS
Kreil, DP
AF Labaj, Pawel P.
Leparc, German G.
Linggi, Bryan E.
Markillie, Lye Meng
Wiley, H. Steven
Kreil, David P.
TI Characterization and improvement of RNA-Seq precision in quantitative
transcript expression profiling
SO BIOINFORMATICS
LA English
DT Article; Proceedings Paper
CT 19th Annual International Conference on Intelligent Systems for
Molecular Biology/10th European Conference on Computational Biology
CY JUL 17-19, 2011
CL Vienna, AUSTRIA
ID SHORT READ ALIGNMENT; DIFFERENTIAL EXPRESSION; GENERATION; CELL; GENOME;
ARRAYS; ULTRAFAST; TOOL
AB Motivation: Measurement precision determines the power of any analysis to reliably identify significant signals, such as in screens for differential expression, independent of whether the experimental design incorporates replicates or not. With the compilation of large-scale RNA-Seq datasets with technical replicate samples, however, we can now, for the first time, perform a systematic analysis of the precision of expression level estimates from massively parallel sequencing technology. This then allows considerations for its improvement by computational or experimental means.
Results: We report on a comprehensive study of target identification and measurement precision, including their dependence on transcript expression levels, read depth and other parameters. In particular, an impressive recall of 84% of the estimated true transcript population could be achieved with 331 million 50 bp reads, with diminishing returns from longer read lengths and even less gains from increased sequencing depths. Most of the measurement power (75%) is spent on only 7% of the known transcriptome, however, making less strongly expressed transcripts harder to measure. Consequently, <30% of all transcripts could be quantified reliably with a relative error <20%. Based on established tools, we then introduce a new approach for mapping and analysing sequencing reads that yields substantially improved performance in gene expression profiling, increasing the number of transcripts that can reliably be quantified to over 40%. Extrapolations to higher sequencing depths highlight the need for efficient complementary steps. In discussion we outline possible experimental and computational strategies for further improvements in quantification precision.
C1 [Labaj, Pawel P.; Leparc, German G.; Kreil, David P.] Boku Univ Vienna, Chair Bioinformat, A-1190 Vienna, Austria.
[Linggi, Bryan E.; Markillie, Lye Meng; Wiley, H. Steven] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Kreil, DP (reprint author), Boku Univ Vienna, Chair Bioinformat, Muthgasse 18, A-1190 Vienna, Austria.
EM rnaseq10@boku.ac.at
RI Kreil, D/O-1783-2013; Labaj, Pawel/N-5425-2014;
OI Kreil, D/0000-0001-7538-2056; Wiley, Steven/0000-0003-0232-6867
NR 45
TC 60
Z9 62
U1 0
U2 21
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 1367-4803
EI 1460-2059
J9 BIOINFORMATICS
JI Bioinformatics
PD JUL 1
PY 2011
VL 27
IS 13
BP I383
EP I391
DI 10.1093/bioinformatics/btr247
PG 9
WC Biochemical Research Methods; Biotechnology & Applied Microbiology;
Computer Science, Interdisciplinary Applications; Mathematical &
Computational Biology; Statistics & Probability
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Computer Science; Mathematical & Computational Biology; Mathematics
GA 779BH
UT WOS:000291752600047
PM 21685096
ER
PT J
AU Savol, AJ
Burger, VM
Agarwal, PK
Ramanathan, A
Chennubhotla, CS
AF Savol, Andrej J.
Burger, Virginia M.
Agarwal, Pratul K.
Ramanathan, Arvind
Chennubhotla, Chakra S.
TI QAARM: quasi-anharmonic autoregressive model reveals molecular
recognition pathways in ubiquitin
SO BIOINFORMATICS
LA English
DT Article; Proceedings Paper
CT 19th Annual International Conference on Intelligent Systems for
Molecular Biology/10th European Conference on Computational Biology
CY JUL 17-19, 2011
CL Vienna, AUSTRIA
ID TIME-SERIES ANALYSIS; PRINCIPAL COMPONENT ANALYSIS; MIMICKING PROTEIN
DYNAMICS; HIERARCHICAL STRUCTURE; ENERGY LANDSCAPE; SIMULATIONS;
PROPAGATION; SCALES; STATES
AB Motivation: Molecular dynamics (MD) simulations have dramatically improved the atomistic understanding of protein motions, energetics and function. These growing datasets have necessitated a corresponding emphasis on trajectory analysis methods for characterizing simulation data, particularly since functional protein motions and transitions are often rare and/or intricate events. Observing that such events give rise to long-tailed spatial distributions, we recently developed a higher-order statistics based dimensionality reduction method, called quasi-anharmonic analysis (QAA), for identifying biophysically-relevant reaction coordinates and substates within MD simulations. Further characterization of conformation space should consider the temporal dynamics specific to each identified substate.
Results: Our model uses hierarchical clustering to learn energetically coherent substates and dynamic modes of motion from a 0.5 mu s ubiqutin simulation. Autoregressive (AR) modeling within and between states enables a compact and generative description of the conformational landscape as it relates to functional transitions between binding poses. Lacking a predictive component, QAA is extended here within a general AR model appreciative of the trajectory's temporal dependencies and the specific, local dynamics accessible to a protein within identified energy wells. These metastable states and their transition rates are extracted within a QAA-derived subspace using hierarchical Markov clustering to provide parameter sets for the second-order AR model. We show the learned model can be extrapolated to synthesize trajectories of arbitrary length.
C1 [Agarwal, Pratul K.; Ramanathan, Arvind] Oak Ridge Natl Lab, Computat Biol Inst, Oak Ridge, TN 37830 USA.
[Agarwal, Pratul K.; Ramanathan, Arvind] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37830 USA.
[Savol, Andrej J.; Burger, Virginia M.; Chennubhotla, Chakra S.] Univ Pittsburgh, Dept Computat & Syst Biol, Pittsburgh, PA 15260 USA.
[Savol, Andrej J.; Burger, Virginia M.] Joint Carnegie Mellon Univ Univ Pittsburgh PhD Pr, Pittsburgh, PA USA.
RP Ramanathan, A (reprint author), Oak Ridge Natl Lab, Computat Biol Inst, Oak Ridge, TN 37830 USA.
EM ramanathana@ornl.gov; chakracs@pitt.edu
OI /0000-0002-8612-4797
FU Howard Hughes Medical Institute; NIBIB NIH HHS [T32 EB009403]; NIGMS NIH
HHS [R01 GM086238, R01 GM086238-04]
NR 47
TC 9
Z9 9
U1 0
U2 4
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 1367-4803
J9 BIOINFORMATICS
JI Bioinformatics
PD JUL 1
PY 2011
VL 27
IS 13
BP I52
EP I60
DI 10.1093/bioinformatics/btr248
PG 9
WC Biochemical Research Methods; Biotechnology & Applied Microbiology;
Computer Science, Interdisciplinary Applications; Mathematical &
Computational Biology; Statistics & Probability
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Computer Science; Mathematical & Computational Biology; Mathematics
GA 779BH
UT WOS:000291752600007
PM 21685101
ER
PT J
AU Meral, C
Benmore, CJ
Monteiro, PJM
AF Meral, Cagla
Benmore, C. J.
Monteiro, Paulo J. M.
TI The study of disorder and nanocrystallinity in C-S-H, supplementary
cementitious materials and geopolymers using pair distribution function
analysis
SO CEMENT AND CONCRETE RESEARCH
LA English
DT Review
DE amorphous material; Calcium-Silicate-Hydrate (C-S-H); X-ray diffraction;
alkali-aggregate reaction; Geopolymer
ID CALCIUM-SILICATE-HYDRATE; X-RAY-DIFFRACTION; AMORPHOUS ALUMINUM
SILICATES; MOLECULAR-DYNAMICS; COMPUTER-SIMULATION; STRUCTURAL FEATURES;
SIO2-AL2O3 GLASSES; CRYSTAL-STRUCTURE; NMR-SPECTROSCOPY; TOTAL
SCATTERING
AB Significant progress was achieved with the application of Rietveld method to characterize the crystalline phases in portland cement paste. However, to obtain detailed information on the amorphous or poorly crystalline phases, it is necessary to analyze the total scattering data. The pair distribution function (PDF) method has been successfully used in the study of liquids and amorphous solids. The method takes the Sine Fourier transform of the measured structure factor over a wide momentum transfer range, providing a direct measure of the probability of finding an atom surrounding a central atom at a radial distance away. The obtained experimental characteristic distances can be also used to validate the predictions by the theoretical models, such as, molecular dynamics, ab initio simulations and density functional theory. The paper summarizes recent results of PDF analysis on silica fume, rice husk ash, fly ash. ASR gel, C-S-H and geopolymers. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Meral, Cagla; Monteiro, Paulo J. M.] Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
[Benmore, C. J.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA.
RP Monteiro, PJM (reprint author), Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
EM monteiro@berkeley.edu
RI Meral, Cagla/J-9467-2012; Meral, Cagla/K-8590-2013;
OI Meral, Cagla/0000-0001-8720-1216; Benmore, Chris/0000-0001-7007-7749
FU U.S. DOE, Argonne National Laboratory [DE-AC02-06CH11357]; King Abdullah
University of Science and Technology (KAUST) [KUS-l1-004021]; NIST
[60NANB10D014]
FX This work was supported by the U.S. DOE, Argonne National Laboratory
under contract number DE-AC02-06CH11357. This publication was based on
work supported in part by Award No. KUS-l1-004021, made by King Abdullah
University of Science and Technology (KAUST) and by NIST Grant
60NANB10D014. Also, thanks to Dr. L.B. Skinner, Dr. C. Erdonmez, Dr. B.
Ercan, Dr. S. Soyer-Uzun and Dr. C. White for their valuable discussions
during the production of this paper.
NR 102
TC 38
Z9 39
U1 5
U2 76
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-8846
J9 CEMENT CONCRETE RES
JI Cem. Concr. Res.
PD JUL
PY 2011
VL 41
IS 7
SI SI
BP 696
EP 710
DI 10.1016/j.cemconres.2011.03.027
PG 15
WC Construction & Building Technology; Materials Science, Multidisciplinary
SC Construction & Building Technology; Materials Science
GA 779LW
UT WOS:000291780100008
ER
PT J
AU van Veenendaal, M
AF van Veenendaal, Michel
TI 3j symbols: to normalize or not to normalize?
SO EUROPEAN JOURNAL OF PHYSICS
LA English
DT Article
ID X-RAY-ABSORPTION; RARE-EARTHS; DISTRIBUTIONS; SCATTERING
AB The systematic use of alternative normalization constants for 3j symbols can lead to a more natural expression of quantities, such as vector products and spherical tensor operators. The redefined coupling constants directly equate tensor products to the inner and outer products without any additional square roots. The approach is extended to tesseral harmonics. The methodology developed here leads to a significantly clearer presentation, which is of interest, not only for textbooks but also for researchers using spherical tensors.
C1 [van Veenendaal, Michel] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
[van Veenendaal, Michel] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP van Veenendaal, M (reprint author), No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
EM veenendaal@niu.edu
FU US Department of Energy (DOE), Office of Basic Energy Sciences, Division
of Materials Sciences and Engineering [DE-FG02-03ER46097]; NIU's
Institute for Nanoscience, Engineering, and Technology; US DOE, Office
of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX This work was supported by the US Department of Energy (DOE), Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering
under Award DE-FG02-03ER46097, and NIU's Institute for Nanoscience,
Engineering, and Technology. Work at Argonne National Laboratory was
supported by the US DOE, Office of Science, Office of Basic Energy
Sciences, under contract DE-AC02-06CH11357.
NR 9
TC 2
Z9 2
U1 0
U2 6
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0143-0807
J9 EUR J PHYS
JI Eur. J. Phys.
PD JUL
PY 2011
VL 32
IS 4
BP 947
EP 954
DI 10.1088/0143-0807/32/4/009
PG 8
WC Education, Scientific Disciplines; Physics, Multidisciplinary
SC Education & Educational Research; Physics
GA 778FD
UT WOS:000291686800013
ER
PT J
AU Tauke-Pedretti, A
Vawter, GA
Skogen, EJ
Peake, G
Overberg, M
Alford, C
Chow, WW
Yang, ZSS
Torres, D
Cajas, F
AF Tauke-Pedretti, Anna
Vawter, G. Allen
Skogen, Erik J.
Peake, Greg
Overberg, Mark
Alford, Charles
Chow, Weng W.
Yang, Zhenshan S.
Torres, David
Cajas, Florante
TI Mutual Injection Locking of Monolithically Integrated Coupled-Cavity DBR
Lasers
SO IEEE PHOTONICS TECHNOLOGY LETTERS
LA English
DT Article
DE Amplitude modulation; coupled-cavity lasers; injection locking;
monolithic integration; photonic integrated circuits (PICs);
semiconductor lasers
ID STRONG OPTICAL-INJECTION; SEMICONDUCTOR-LASERS
AB We present a photonic integrated circuit (PIC) composed of two strongly coupled distributed Bragg reflector (DBR) lasers. This PIC utilizes the dynamics of mutual injection locking to increase the relaxation resonance frequency from 3 GHz to beyond 30 GHz. Mutual injection-locking and external injection-locking operation are compared.
C1 [Tauke-Pedretti, Anna; Vawter, G. Allen; Skogen, Erik J.; Peake, Greg; Overberg, Mark; Alford, Charles; Chow, Weng W.; Yang, Zhenshan S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Torres, David; Cajas, Florante] LMATA Govt Serv LLC, Albuquerque, NM 87185 USA.
RP Tauke-Pedretti, A (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM ataukep@sandia.gov; gavawte@sandia.gov; ejskoge@sandia.gov;
gmpeake@sandia.gov; meoverb@sandia.gov; cralfor@sandia.gov;
wwchow@sandia.gov; dtorres@sandia.gov; fgcajas@sandia.gov
FU U.S. Department of Energy at Sandia National Laboratories; United States
Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Manuscript received October 26, 2010; revised March 01, 2011; accepted
March 26, 2011. Date of publication April 07, 2011; date of current
version June 15, 2011. This work was supported by the U.S. Department of
Energy's Laboratory Directed Research and Development (LDRD) program at
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 8
TC 8
Z9 9
U1 0
U2 14
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1041-1135
J9 IEEE PHOTONIC TECH L
JI IEEE Photonics Technol. Lett.
PD JUL 1
PY 2011
VL 23
IS 13
BP 908
EP 910
DI 10.1109/LPT.2011.2140099
PG 3
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA 778CZ
UT WOS:000291678300001
ER
PT J
AU Wang, ZG
Xue, SW
Li, JB
Gao, F
AF Wang, Zhiguo
Xue, Shuwen
Li, Jingbo
Gao, Fei
TI First principles study of p-type doping in SiC nanowires: role of
quantum effect
SO JOURNAL OF NANOPARTICLE RESEARCH
LA English
DT Article
DE SiC nanowires; p-type doping; First principles; Modeling and simulation
ID THIN-FILMS; SEMICONDUCTORS; GROWTH; DEPOSITION; EMISSION; ENERGY
AB Using first principles density functional theory calculations, we investigated the X and X-N-X (X = Al and Ga) doped 3C-SiC nanowires grown along the [111] crystal direction with diameter of 1.00 and 1.33 nm. We found that the ionization energy of acceptor state is much larger in nanowires than that in the bulk SiC as a result of quantum confinement effect. Simulation results show that the reduced dimensionality in p-type SiC nanowires strongly reduces the capability of the materials to generate free carriers. It is also found that X-N-X (X = Al and Ga) complexes are energetically favored to form in the materials and have lower ionization energy than single doping. It is confirm that codoping is more suitable method for achieving low-resistivity semiconductors either in nano materials or bulk material.
C1 [Wang, Zhiguo; Xue, Shuwen] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
[Wang, Zhiguo; Gao, Fei] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Li, Jingbo] Chinese Acad Sci, State Key Lab Superlattices & Microstruct, Inst Semicond, Beijing 100083, Peoples R China.
RP Wang, ZG (reprint author), Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
EM zgwang@uestc.edu.cn; fei.gao@pnl.gov
RI Gao, Fei/H-3045-2012; Wang, Zhiguo/B-7132-2009
FU National Natural Science Foundation of China [10704014]; Young
Scientists Foundation of Sichuan [09ZQ026-029]; UESTC [JX0731]; Chinese
Academy of Sciences; National Science Fund for Distinguished Young
Scholar [60925016]; Division of Materials Sciences and Engineering,
Office of Basic Energy Sciences, US Department of Energy
[DE-AC05-76RL01830]
FX Z. Wang was financially supported by the National Natural Science
Foundation of China (10704014) and the Young Scientists Foundation of
Sichuan (09ZQ026-029) and UESTC (JX0731). J. Li gratefully acknowledges
financial support from the "One-Hundred Talents Plan" of the Chinese
Academy of Sciences and National Science Fund for Distinguished Young
Scholar (Grants No. 60925016). F. Gao was supported from the Division of
Materials Sciences and Engineering, Office of Basic Energy Sciences, US
Department of Energy under Contract DE-AC05-76RL01830.
NR 25
TC 3
Z9 3
U1 0
U2 17
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1388-0764
EI 1572-896X
J9 J NANOPART RES
JI J. Nanopart. Res.
PD JUL
PY 2011
VL 13
IS 7
BP 2887
EP 2892
DI 10.1007/s11051-010-0177-y
PG 6
WC Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials
Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 778YZ
UT WOS:000291746600022
ER
PT J
AU Conley, AJ
Collins, WD
AF Conley, A. J.
Collins, W. D.
TI Extension of the weak-line approximation and application to correlated-k
methods
SO JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
LA English
DT Article
DE Band model; Radiative transfer; Weak-line approximation; Correlated-k
method; Laplace transform
AB Global climate models require accurate and rapid computation of the radiative transfer through the atmosphere. Correlated-k methods are often used. One of the approximations used in correlated-k models is the weak-line approximation. We introduce an approximation T(gamma) which reduces to the weak-line limit when optical depths are small, and captures the deviation from the weak-line limit as the extinction deviates from the weak-line limit. This approximation is constructed to match the first two moments of the gamma distribution to the k-distribution of the transmission. We compare the errors of the weak-line approximation with T(gamma) in the context of a water vapor spectrum. The extension T(gamma) is more accurate and converges more rapidly than the weak-line approximation. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Conley, A. J.] Natl Ctr Atmospher Res, Boulder, CO 80305 USA.
[Collins, W. D.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
[Collins, W. D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Conley, AJ (reprint author), Natl Ctr Atmospher Res, 1850 Table Mesa Dr, Boulder, CO 80305 USA.
EM aconley@ucar.edu
RI Collins, William/J-3147-2014
OI Collins, William/0000-0002-4463-9848
FU Department of Energy; NCAR; National Science Foundation; Office of
Science, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX Andrew Conley was supported by the SciDAC project from the Department of
Energy and NCAR. The National Center for Atmospheric Research is
sponsored by the National Science Foundation. Any opinions, findings and
conclusions or recommendations expressed in the publication are those of
the author and do not necessarily reflect the views of the National
Science Foundation.; Bill Collins was supported by the Director, Office
of Science, of the U.S. Department of Energy under Contract no.
DE-AC02-05CH11231.
NR 10
TC 4
Z9 4
U1 0
U2 1
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0022-4073
J9 J QUANT SPECTROSC RA
JI J. Quant. Spectrosc. Radiat. Transf.
PD JUL
PY 2011
VL 112
IS 10
BP 1525
EP 1532
DI 10.1016/j.jqsrt.2011.02.008
PG 8
WC Optics; Spectroscopy
SC Optics; Spectroscopy
GA 778OS
UT WOS:000291714600003
ER
PT J
AU Rees, EVL
Priest, JA
Clayton, CRI
AF Rees, Emily V. L.
Priest, Jeffery A.
Clayton, Chris R. I.
TI The structure of methane gas hydrate bearing sediments from the
Krishna-Godavari Basin as seen from Micro-CT scanning
SO MARINE AND PETROLEUM GEOLOGY
LA English
DT Article
DE Gas hydrate; Hydraulic fracturing; Pressure coring; X-ray CT; NGHP-1
ID DISSOCIATION; FRACTURES; IMAGERY; SAMPLES; SLOPE; RIDGE; ZONE
AB The Indian National Gas Hydrate Program (NGHP) Expedition 1, of 2006, cored through several methane gas hydrate deposits on the continental shelf around the coast of India. The pressure coring techniques utilized during the expedition (HYACINTH and PCS) enabled recovery of gas hydrate bearing, fine-grained, sediment cores to the surface. After initial characterization core sections were rapidly depressurized and submerged in liquid nitrogen, preserving the structure and form of the hydrate within the host sediment. Once on shore, high resolution X-ray CT scanning was employed to obtain detailed three-dimensional images of the internal structure of the gas hydrate. Using a resolution of 80 gm the detailed structure of the hydrate veins present in each core could be observed, and allowed for an in depth analysis of orientation, width and persistence of each vein. Hydrate saturation estimates could also be made and saturations of 20-30% were found to be the average across the core section with some portions showing highs of almost 60% saturation. The majority of hydrate veins in each core section were found to be orientated between 50 and 80 degrees to the horizontal. Analysis of the strikes of the veins suggested a slight preferential orientation in individual sample sections, although correlation between individual sections was not possible due to the initial orientation of the sections being lost during the sampling stage. The preferred vein orientation within sample sections coupled with several geometric features identified in individual veins, suggest that hydraulic fracturing by upward advecting pore fluids is the main formation mechanism for the veined hydrate deposits in the K-G Basin. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Rees, Emily V. L.; Priest, Jeffery A.; Clayton, Chris R. I.] Univ Southampton, Sch Civil Engn & Environm, Southampton, Hants, England.
RP Rees, EVL (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM evrees@lbl.gov; J.A.Priest@soton.ac.uk; C.Clayton@soton.ac.uk
RI YAMMANI, SRINIVASARAO/E-9400-2011
OI YAMMANI, SRINIVASARAO/0000-0001-7844-0223
FU UK EPSRC [EP/D035996/1]
FX The authors gratefully acknowledge the Science Team of the Indian NGHP
Expedition 01 and the Indian government for providing recovered pressure
core samples for testing. We would also like to thank Ian Sinclair and
his team from the Mechanical Engineering Department of Southampton
University for their aid in using and interpreting data from the
Micro-focus X-ray CT scanning equipment. This study was partially funded
by UK EPSRC project EP/D035996/1.
NR 46
TC 22
Z9 23
U1 3
U2 34
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0264-8172
J9 MAR PETROL GEOL
JI Mar. Pet. Geol.
PD JUL
PY 2011
VL 28
IS 7
BP 1283
EP 1293
DI 10.1016/j.marpetgeo.2011.03.015
PG 11
WC Geosciences, Multidisciplinary
SC Geology
GA 780DK
UT WOS:000291834500002
ER
PT J
AU Xing, CH
Jensen, C
Ban, H
Phillips, J
AF Xing, Changhu
Jensen, Colby
Ban, Heng
Phillips, Jeffrey
TI Uncertainty analysis on the design of thermal conductivity measurement
by a guarded cut-bar technique
SO MEASUREMENT SCIENCE AND TECHNOLOGY
LA English
DT Article
DE uncertainty analysis; guarded cut-bar technique; thermal conductivity
measurement; nuclear fuel compact
ID VALIDATION; APPARATUS
AB A technique adapted from the guarded-comparative-longitudinal heat flow method was selected for the measurement of the thermal conductivity of a nuclear fuel compact over a temperature range characteristic of its usage. This technique fulfills the requirement for non-destructive measurement of the composite compact. Although numerous measurement systems have been created based on the guarded-comparative method, comprehensive systematic (bias) and measurement (precision) uncertainty associated with this technique have not been fully analyzed. In addition to the geometric effect in the bias error, which has been analyzed previously, this paper studies the working condition which is another potential error source. Using finite element analysis, this study showed the effect of these two types of error sources in the thermal conductivity measurement process and the limitations in the design selection of various parameters by considering their effect on the precision error. The results and conclusions provide valuable reference for designing and operating an experimental measurement system using this technique.
C1 [Xing, Changhu; Jensen, Colby; Ban, Heng] Utah State Univ, Dept Aerosp Engn & Mech, Logan, UT 84322 USA.
[Phillips, Jeffrey] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Xing, CH (reprint author), Utah State Univ, Dept Aerosp Engn & Mech, Logan, UT 84322 USA.
EM changhu.xing@aggiemail.usu.edu
RI Ban, Heng/I-6268-2012;
OI Jensen, Colby/0000-0001-8925-7758
FU US Department of Energy, Office of Nuclear Energy, under DOE Idaho
Operations Office [DE-AC07-05ID14517]; Department of Energy Nuclear
Energy University
FX The work was supported by US Department of Energy, Office of Nuclear
Energy, under DOE Idaho Operations Office, contract DE-AC07-05ID14517.
The work performed by Colby Jensen was supported under a Department of
Energy Nuclear Energy University Programs Graduate Fellowship.
NR 22
TC 10
Z9 10
U1 2
U2 8
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 JUL
PY 2011
VL 22
IS 7
AR 075702
DI 10.1088/0957-0233/22/7/075702
PG 9
WC Engineering, Multidisciplinary; Instruments & Instrumentation
SC Engineering; Instruments & Instrumentation
GA 777YG
UT WOS:000291660500024
ER
PT J
AU Boyce, BL
Padilla, HA
AF Boyce, Brad L.
Padilla, Henry A., II
TI Anomalous Fatigue Behavior and Fatigue-Induced Grain Growth in
Nanocrystalline Nickel Alloys
SO METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND
MATERIALS SCIENCE
LA English
DT Article
ID MECHANICAL-PROPERTIES; BOUNDARY MOTION; PLASTIC-DEFORMATION;
ROOM-TEMPERATURE; THIN-FILMS; METALS; COPPER; NI; MICROSTRUCTURE;
SIMULATION
AB Fatigue failure due to repetitive loading of metallic devices is a pervasive engineering concern. The present work reveals extraordinary fatigue resistance in nanocrystalline (NC) alloys, which appears to be associated with the small (< 100 nm) grain size inhibiting traditional cyclic damage processes. In this study, we examine the fatigue performance of three electrodeposited NC Ni-based metals: Ni, Ni-0.5Mn, and Ni-22Fe (PERMALLOY). When subjected to fatigue stresses at and above the tensile yield strength where conventional coarse-grained (CG) counterparts undergo low-cycle fatigue failure (< 10(4) cycles to failure), these alloys exhibit exceptional fatigue lives (in some cases, > 10(7) cycles to failure). Postmortem examinations show that failed samples contain an aggregate of coarsened grains at the crack initiation site. The experimental data and accompanying microscopy suggest that the NC matrix undergoes abnormal grain growth during cyclic loading, allowing dislocation activity to persist over length scales necessary to initiate a fatigue crack by traditional fatigue mechanisms. Thus, the present observations demonstrate anomalous fatigue behavior in two regards: (1) quantitatively anomalous when considering the extremely high stress levels needed to drive fatigue failure and (2) mechanistically anomalous in light of the grain growth process that appears to be a necessary precursor to crack initiation.
C1 [Boyce, Brad L.; Padilla, Henry A., II] Sandia Natl Labs, Mat Sci & Engn Ctr, Albuquerque, NM 87185 USA.
RP Boyce, BL (reprint author), Sandia Natl Labs, Mat Sci & Engn Ctr, POB 5800, Albuquerque, NM 87185 USA.
EM blboyce@sandia.gov
RI Boyce, Brad/H-5045-2012
OI Boyce, Brad/0000-0001-5994-1743
FU United States Department of Energy, Office of Basic Energy Sciences,
Division of Materials Sciences and Engineering; United States Department
of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
FX The authors thank Drs. T. R Christensen and S. H. Goods for supplying
the various electroplated alloys used in this investigation, as well as
Dr. E. A. Holm for helpful discussions and guidance regarding grain
growth phenomenon. The authors also thank Dr. P. G. Kotula, Dr. B. G.
Clark, Dr. J.R. Michael, M. Rye, and B. McKenzie for electron microscopy
support, as well as Dr. M. Rodriguez for XRD support. This work was
performed, in part, at the Center for Integrated Nanotechnologies, a
United States Department of Energy, Office of Basic Energy Sciences,
user facility. This work was funded by the United States Department of
Energy, Office of Basic Energy Sciences, Division of Materials Sciences
and Engineering. 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 No.
DE-AC04-94AL85000.
NR 66
TC 30
Z9 30
U1 4
U2 67
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 JUL
PY 2011
VL 42A
IS 7
BP 1793
EP 1804
DI 10.1007/s11661-011-0708-x
PG 12
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 775SS
UT WOS:000291484300008
ER
PT J
AU Arias, R
Andrews, J
Pandya, S
Pettit, K
Trout, C
Apkon, S
Karwoski, J
Cunniff, C
Matthews, D
Miller, T
Davis, MF
Meaney, FJ
AF Arias, Rebeca
Andrews, Jennifer
Pandya, Shree
Pettit, Kathleen
Trout, Christina
Apkon, Susan
Karwoski, Jane
Cunniff, Christopher
Matthews, Dennis
Miller, Timothy
Davis, Melinda F.
Meaney, F. John
TI PALLIATIVE CARE SERVICES IN FAMILIES OF MALES WITH DUCHENNE MUSCULAR
DYSTROPHY
SO MUSCLE & NERVE
LA English
DT Article
DE advance directives; Duchenne muscular dystrophy; health services model;
healthcare barriers; palliative care
ID ACCULTURATION; PERCEPTIONS; SURVIVAL; DISEASE
AB Introduction: Palliative care services that address physical pain and emotional, psychosocial, and spiritual needs may benefit individuals with Duchenne muscular dystrophy (DMD). Methods: The objective of this study was to describe the palliative care services that families of males with DMD report they receive. A questionnaire was administered to families of males with DMD born prior to January 1, 1982. Thirty-four families responded. Results: Most families (85%) had never heard the term palliative care. Only attendant care and skilled nursing services showed much usage, with 44% and 50% indicating receipt of these services, respectively. Receipt of other services was reported less frequently: pastoral care (27%); respite care (18%); pain management (12%); and hospice care (6%). Only 8 respondents (25%) reported having any type of directive document in place. Conclusion: The data suggest a need for improved awareness of palliative care and related services among families of young men with DMD. Muscle Nerve 44: 93-101, 2011
C1 [Arias, Rebeca; Andrews, Jennifer; Pettit, Kathleen; Cunniff, Christopher; Miller, Timothy; Meaney, F. John] Univ Arizona, Dept Pediat, Tucson, AZ 85724 USA.
[Arias, Rebeca; Andrews, Jennifer; Pettit, Kathleen; Cunniff, Christopher; Miller, Timothy; Meaney, F. John] Univ Arizona, Steele Res Ctr, Tucson, AZ 85724 USA.
[Pandya, Shree] Univ Rochester, Dept Neurol, Rochester, NY USA.
[Trout, Christina] Univ Iowa, Dept Pediat, Iowa City, IA 52242 USA.
[Apkon, Susan] Seattle Childrens Hosp, Seattle, WA USA.
[Karwoski, Jane] Oak Ridge Inst Sci & Educ, Atlanta, GA USA.
[Karwoski, Jane] Ctr Dis Control & Prevent, Div Human Dev & Disabil, Natl Ctr Birth Defects & Dev Disabil, Atlanta, GA USA.
[Matthews, Dennis] Univ Colorado, Sch Med, Dept Phys Med & Rehabil, Denver, CO USA.
[Matthews, Dennis] Childrens Hosp, Denver, CO 80218 USA.
[Davis, Melinda F.] Univ Arizona, Dept Psychol, Tucson, AZ 85721 USA.
RP Meaney, FJ (reprint author), Univ Arizona, Dept Pediat, 1501 N Campbell Ave,POB 245073, Tucson, AZ 85724 USA.
EM fmeaney@email.arizona.edu
FU Association of University Centers on Disabilities [AUCD RTOI
2004-03-03]; Centers for Disease Control and Prevention [AUCD RTOI
2004-03-03]
FX The authors thank the individuals with DMD and their families who
participated in the survey. We thank Shawnell Damon for her assistance
in conducting the interviews. Finally, we thank Rachele Peterson and
Cecilia Lopez for their expert technical assistance in the preparation
and submission of the manuscript. This work was done by the authors on
behalf of the Association of University Centers on Disabilities through
a cooperative agreement with the Centers for Disease Control and
Prevention (Contract No. AUCD RTOI 2004-03-03).
NR 22
TC 11
Z9 11
U1 0
U2 3
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0148-639X
J9 MUSCLE NERVE
JI Muscle Nerve
PD JUL
PY 2011
VL 44
IS 1
BP 93
EP 101
DI 10.1002/mus.22005
PG 9
WC Clinical Neurology; Neurosciences
SC Neurosciences & Neurology
GA 778HH
UT WOS:000291694000016
PM 21674523
ER
PT J
AU Liu, HH
Rutqvist, J
Birkholzer, JT
AF Liu, H. H.
Rutqvist, J.
Birkholzer, J. T.
TI Constitutive Relationships for Elastic Deformation of Clay Rock: Data
Analysis
SO ROCK MECHANICS AND ROCK ENGINEERING
LA English
DT Article
DE Constitutive model; Clay rock; Coupled processes
ID EXCAVATION DAMAGED ZONE; BEHAVIOR; STRAIN
AB Geological repositories have been considered a feasible option worldwide for storing high-level nuclear waste. Clay rock is one of the rock types under consideration for such purposes, because of its favorable features to prevent radionuclide transport from the repository. Coupled hydromechanical processes have an important impact on the performance of a clay repository, and establishing constitutive relationships for modeling such processes are essential. In this study, we propose several constitutive relationships for elastic deformation in indurated clay rocks based on three recently developed concepts. First, when applying Hooke's law in clay rocks, true strain (rock volume change divided by the current rock volume), rather than engineering strain (rock volume change divided by unstressed rock volume), should be used, except when the degree of deformation is very small. In the latter case, the two strains will be practically identical. Second, because of its inherent heterogeneity, clay rock can be divided into two parts, a hard part and a soft part, with the hard part subject to a relatively small degree of deformation compared with the soft part. Third, for swelling rock like clay, effective stress needs to be generalized to include an additional term resulting from the swelling process. To evaluate our theoretical development, we analyze uniaxial test data for core samples of Opalinus clay and laboratory measurements of single fractures within macro-cracked Callovo-Oxfordian argillite samples subject to both confinement and water reduced swelling. The results from this evaluation indicate that our constitutive relationships can adequately represent the data and explain the related observations.
C1 [Liu, H. H.; Rutqvist, J.; Birkholzer, J. T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Liu, HH (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM hhliu@lbl.gov
RI Birkholzer, Jens/C-6783-2011; Rutqvist, Jonny/F-4957-2015
OI Birkholzer, Jens/0000-0002-7989-1912; Rutqvist,
Jonny/0000-0002-7949-9785
NR 15
TC 8
Z9 8
U1 0
U2 11
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0723-2632
J9 ROCK MECH ROCK ENG
JI Rock Mech. Rock Eng.
PD JUL
PY 2011
VL 44
IS 4
BP 463
EP 468
DI 10.1007/s00603-010-0131-4
PG 6
WC Engineering, Geological; Geosciences, Multidisciplinary
SC Engineering; Geology
GA 777GB
UT WOS:000291602800006
ER
PT J
AU Smith, AM
Perelson, AS
AF Smith, Amber M.
Perelson, Alan S.
TI Influenza A virus infection kinetics: quantitative data and models
SO WILEY INTERDISCIPLINARY REVIEWS-SYSTEMS BIOLOGY AND MEDICINE
LA English
DT Review
ID SERONEGATIVE ADULT VOLUNTEERS; SCALE MICROCARRIER CULTURE; ADAPTIVE
IMMUNE-RESPONSE; LOWER RESPIRATORY-TRACT; DYNAMICS IN-VIVO; VIRAL
DYNAMICS; GENE-EXPRESSION; ALVEOLAR MACROPHAGES; PANDEMIC INFLUENZA;
CYTOKINE RESPONSES
AB Influenza A virus is an important respiratory pathogen that poses a considerable threat to public health each year during seasonal epidemics and even more so when a pandemic strain emerges. Understanding the mechanisms involved in controlling an influenza infection within a host is important and could result in new and effective treatment strategies. Kinetic models of influenza viral growth and decay can summarize data and evaluate the biological parameters governing interactions between the virus and the host. Here we discuss recent viral kinetic models for influenza. We show how these models have been used to provide insight into influenza pathogenesis and treatment, and we highlight the challenges of viral kinetic analysis, including accurate model formulation, estimation of important parameters, and the collection of detailed data sets that measure multiple variables simultaneously. (C) 2010 John Wiley & Sons, Inc. WIREs Syst Biol Med 2011 3 429-445 DOI: 10.1002/wsbm.129
C1 [Smith, Amber M.; Perelson, Alan S.] Los Alamos Natl Lab, Los Alamos, NM USA.
RP Perelson, AS (reprint author), Los Alamos Natl Lab, Los Alamos, NM USA.
EM asp@lanl.gov
FU U.S. Department of Energy [DE-AC52-06NA25396]; NIH [N0I-AI50020,
RR06555, AI28433]
FX This work was done under the auspices of the U.S. Department of Energy
under contract DE-AC52-06NA25396 and supported by NIH contract
N0I-AI50020 and grants RR06555 and AI28433.
NR 110
TC 41
Z9 41
U1 0
U2 20
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1939-5094
J9 WIRES SYST BIOL MED
JI Wiley Interdiscip. Rev.-Syst. Biol
PD JUL-AUG
PY 2011
VL 3
IS 4
BP 429
EP 445
DI 10.1002/wsbm.129
PG 17
WC Medicine, Research & Experimental
SC Research & Experimental Medicine
GA 779ZS
UT WOS:000291821300004
PM 21197654
ER
PT J
AU Luo, Y
Sun, W
Liu, C
Wang, GF
Fang, N
AF Luo, Yong
Sun, Wei
Liu, Chang
Wang, Gufeng
Fang, Ning
TI Superlocalization of Single Molecules and Nanoparticles in High-Fidelity
Optical Imaging Microfluidic Devices
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID GREEN FLUORESCENT PROTEIN; IN-VIVO; CULTURE PLATFORM; LIVE CELLS;
MICROSCOPY; RESOLUTION; PRECISION; DNA; EXPRESSION; TRACKING
AB Superlocalization of single molecules and nanoparticles with a precision of subnanometer to a few tens of nanometers is crucial for elucidating nanoscale structures and movements in biological and chemical systems. A novel design of ultraflat and ultrathin glass/polydimethylsiloxane (PDMS) hybrid microdevices is introduced to provide almost uncompromised optical imaging quality for on-chip superlocalization and super-resolution imaging of single molecules and nanoparticles under a variety of microscopy modes. The performance of the high-fidelity (Hi-Fi) optical imaging microfluidic device was validated by precisely mapping micronecklaces made of fluorescent microtubules and 40 nm gold nanoparticles and by demonstrating the activation and excitation cycles of single Alexa Fluor 647 dyes for direct stochastic optical reconstruction microscopy in PDMS-based microchannels for the first time. Furthermore, the microdevice's feasibility for multimodality microscopy imaging was demonstrated by a vertical scan of live cells in epi-fluorescence and differential interference contrast (DIC) microscopy modes simultaneously.
C1 [Luo, Yong; Sun, Wei; Liu, Chang; Wang, Gufeng; Fang, Ning] US DOE, Ames Lab, Ames, IA 50011 USA.
[Luo, Yong; Sun, Wei; Liu, Chang; Wang, Gufeng; Fang, Ning] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
[Luo, Yong] Dalian Univ Technol, Sch Pharmaceut Sci & Technol, Dalian, Liaoning, Peoples R China.
[Liu, Chang] Univ British Columbia, Dept Chem, Vancouver, BC, Canada.
RP Fang, N (reprint author), US DOE, Ames Lab, Ames, IA 50011 USA.
EM nfang@iastate.edu
RI Liu, Chang/F-5472-2011; Wang, Gufeng/B-3972-2011; Fang,
Ning/A-8456-2011;
OI Liu, Chang/0000-0003-0508-4357
FU Iowa State University; U.S. Department of Energy, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences, and Biosciences
through the Ames Laboratory; Iowa State University [DE-AC02-07CH11358];
Fundamental Research Funds for the Central Universities, China
[DUT10RC(3)92, DUT11SM11]
FX Y.L. and W.S. contributed equally to this work. This work was supported
by the start-up funds from Iowa State University (microfabrication) and
by U.S. Department of Energy, Office of Basic Energy Sciences, Division
of Chemical Sciences, Geosciences, and Biosciences through the Ames
Laboratory (optical imaging). The Ames Laboratory is operated for the
U.S. Department of Energy by Iowa State University under Contract No.
DE-AC02-07CH11358. Y.L. was also supported in part by "Fundamental
Research Funds for the Central Universities, China" (Grants DUT10RC(3)92
and DUT11SM11). We specially thank Prof. David Chen of the University of
British Columbia for his financial support to CL's visit to Ames
Laboratory.
NR 44
TC 10
Z9 10
U1 4
U2 44
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 JUL 1
PY 2011
VL 83
IS 13
BP 5073
EP 5077
DI 10.1021/ac201056z
PG 5
WC Chemistry, Analytical
SC Chemistry
GA 786CN
UT WOS:000292280900009
PM 21648954
ER
PT J
AU Shvartsburg, AA
Singer, D
Smith, RD
Hoffmann, R
AF Shvartsburg, Alexandre A.
Singer, David
Smith, Richard D.
Hoffmann, Ralf
TI Ion Mobility Separation of Isomeric Phosphopeptides from a Protein with
Variant Modification of Adjacent Residues
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID ELECTRON-TRANSFER DISSOCIATION; MULTIPHOSPHORYLATED PEPTIDE ISOMERS;
MASS-SPECTROMETRY; POSTTRANSLATIONAL MODIFICATIONS; ISOBARIC
PHOSPHOPEPTIDES; PHOSPHORYLATED PEPTIDES; LIQUID-CHROMATOGRAPHY;
ALZHEIMERS-DISEASE; IN-VIVO; PHASE
AB Ion mobility spectrometry (IMS), and particularly differential or field asymmetric waveform IMS (FAIMS), was recently shown capable of separating peptides with variant localization of post-translational modifications. However, that work was limited to a model peptide with Ser phosphorylation on fairly distant alternative sites. Here, we demonstrate that FAIMS (coupled to electrospray/mass spectrometry (ESI/MS)) can broadly baseline-resolve variant phosphopeptides from a biologically modified human protein, including those involving phosphorylation of different residues and adjacent sites that challenge existing tandem mass spectrometry (MS/MS) methods most. Singly and doubly phosphorylated variants can be resolved equally well and identified without dissociation, based on accurate separation properties. The spectra change little over a range of infusion solvent pH; hence, the present approach should be viable in conjunction with chromatographic separations using mobile phase gradients.
C1 [Shvartsburg, Alexandre A.; Smith, Richard D.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Singer, David; Hoffmann, Ralf] Univ Leipzig, Inst Bioanalyt Chem, D-04103 Leipzig, Germany.
[Singer, David; Hoffmann, Ralf] Univ Leipzig, Ctr Biotechnol & Biomed, D-04103 Leipzig, Germany.
RP Shvartsburg, AA (reprint author), Pacific NW Natl Lab, Div Biol Sci, POB 999, Richland, WA 99352 USA.
EM alexandre.shvartsburg@pnl.gov
RI Smith, Richard/J-3664-2012
OI Smith, Richard/0000-0002-2381-2349
FU NIH National Center for Research Resources [RR18522]
FX We thank Ron Moore and Heather Brewer for experimental help and Drs.
Keqi Tang, Mike Belov, Yehia Ibrahim, Julia Laskin, and Helen Cooper for
discussions. This research was supported by the NIH National Center for
Research Resources (Grant RR18522). Work was performed in the
Environmental Molecular Sciences Laboratory, a U.S. DoE OBER national
scientific user facility at PNNL.
NR 42
TC 22
Z9 22
U1 2
U2 23
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 JUL 1
PY 2011
VL 83
IS 13
BP 5078
EP 5085
DI 10.1021/ac200985s
PG 8
WC Chemistry, Analytical
SC Chemistry
GA 786CN
UT WOS:000292280900010
PM 21667994
ER
PT J
AU Wymelenberg, AV
Gaskell, J
Mozuch, M
BonDurant, SS
Sabat, G
Ralph, J
Skyba, O
Mansfield, SD
Blanchette, RA
Grigoriev, IV
Kersten, PJ
Cullen, D
AF Wymelenberg, Amber Vanden
Gaskell, Jill
Mozuch, Michael
BonDurant, Sandra Splinter
Sabat, Grzegorz
Ralph, John
Skyba, Oleksandr
Mansfield, Shawn D.
Blanchette, Robert A.
Grigoriev, Igor V.
Kersten, Philip J.
Cullen, Dan
TI Significant Alteration of Gene Expression in Wood Decay Fungi Postia
placenta and Phanerochaete chrysosporium by Plant Species
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID GLYCOSIDE HYDROLASE FAMILY; BROWN-ROT BASIDIOMYCETE; CELLOBIOSE
DEHYDROGENASE; SECRETOME ANALYSIS; MASS-SPECTROMETRY; LIGNIN PEROXIDASE;
CRYSTAL-STRUCTURE; GLYOXAL OXIDASE; ENZYME-SYSTEM; CELLULOSE
AB Identification of specific genes and enzymes involved in conversion of lignocellulosics from an expanding number of potential feedstocks is of growing interest to bioenergy process development. The basidiomycetous wood decay fungi Phanerochaete chrysosporium and Postia placenta are promising in this regard because they are able to utilize a wide range of simple and complex carbon compounds. However, systematic comparative studies with different woody substrates have not been reported. To address this issue, we examined gene expression of these fungi colonizing aspen (Populus grandidentata) and pine (Pinus strobus). Transcript levels of genes encoding extracellular glycoside hydrolases, thought to be important for hydrolytic cleavage of hemicelluloses and cellulose, showed little difference for P. placenta colonizing pine versus aspen as the sole carbon source. However, 164 genes exhibited significant differences in transcript accumulation for these substrates. Among these, 15 cytochrome P450s were upregulated in pine relative to aspen. Of 72 P. placenta extracellular proteins identified unambiguously by mass spectrometry, 52 were detected while colonizing both substrates and 10 were identified in pine but not aspen cultures. Most of the 178 P. chrysosporium glycoside hydrolase genes showed similar transcript levels on both substrates, but 13 accumulated >2-fold higher levels on aspen than on pine. Of 118 confidently identified proteins, 31 were identified in both substrates and 57 were identified in pine but not aspen cultures. Thus, P. placenta and P. chrysosporium gene expression patterns are influenced substantially by wood species. Such adaptations to the carbon source may also reflect fundamental differences in the mechanisms by which these fungi attack plant cell walls.
C1 [Gaskell, Jill; Mozuch, Michael; Kersten, Philip J.; Cullen, Dan] US Forest Serv, USDA, Forest Prod Lab, Madison, WI 53726 USA.
[Wymelenberg, Amber Vanden] Univ Wisconsin, Dept Bacteriol, Madison, WI 53706 USA.
[BonDurant, Sandra Splinter; Sabat, Grzegorz] Univ Wisconsin, Genet & Biotechnol Ctr, Madison, WI 53706 USA.
[Ralph, John] Univ Wisconsin, Dept Biochem, Madison, WI 53726 USA.
[Ralph, John] Univ Wisconsin, Dept Energy, Great Lakes Bioenergy Res Ctr, Madison, WI 53726 USA.
[Skyba, Oleksandr; Mansfield, Shawn D.] Univ British Columbia, Dept Wood Sci, Vancouver, BC V6T 1Z4, Canada.
[Blanchette, Robert A.] Univ Minnesota, Dept Plant Pathol, St Paul, MN 55108 USA.
[Grigoriev, Igor V.] Joint Genome Inst, Dept Energy, Walnut Creek, CA 94598 USA.
RP Cullen, D (reprint author), US Forest Serv, USDA, Forest Prod Lab, 1 Gifford Pinchot Dr, Madison, WI 53726 USA.
EM dcullen@wisc.edu
FU National Research Initiative of the USDA Cooperative State Research,
Education and Extension Service [2007-35504-18257]; Office of Science
U.S. Department of Energy [DE-AC02-05CH11231]; DOE Great Lakes Bioenergy
Research Center (DOE Office of Science) [BER DEFC02-07ER64494]
FX This work was supported by the National Research Initiative of the USDA
Cooperative State Research, Education and Extension Service (grant
2007-35504-18257 to the Forest Products Laboratory), by the Office of
Science U.S. Department of Energy contract DE-AC02-05CH11231 to the
Joint Genome Institute, and by the DOE Great Lakes Bioenergy Research
Center (DOE Office of Science BER DEFC02-07ER64494).
NR 65
TC 18
Z9 18
U1 3
U2 24
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
EI 1098-5336
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD JUL
PY 2011
VL 77
IS 13
BP 4499
EP 4507
DI 10.1128/AEM.00508-11
PG 9
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 782CR
UT WOS:000291985700028
ER
PT J
AU White, J
Gilbert, J
Hill, G
Hill, E
Huse, SM
Weightman, AJ
Mahenthiralingam, E
AF White, Judith
Gilbert, Jack
Hill, Graham
Hill, Edward
Huse, Susan M.
Weightman, Andrew J.
Mahenthiralingam, Eshwar
TI Culture-Independent Analysis of Bacterial Fuel Contamination Provides
Insight into the Level of Concordance with the Standard Industry
Practice of Aerobic Cultivation
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID BURKHOLDERIA-CEPACIA COMPLEX; CRUDE-OIL; COMMUNITY STRUCTURE;
MICROBIAL-CONTAMINATION; CYSTIC-FIBROSIS; RARE BIOSPHERE; RIBOSOMAL-RNA;
AVIATION FUEL; SEA; DIVERSITY
AB Bacterial diversity in contaminated fuels has not been systematically investigated using cultivation-independent methods. The fuel industry relies on phenotypic cultivation-based contaminant identification, which may lack accuracy and neglect difficult-to-culture taxa. By the use of industry practice aerobic cultivation, 16S rRNA gene sequencing, and strain genotyping, a collection of 152 unique contaminant isolates from 54 fuel samples was assembled, and a dominance of Pseudomonas (21%), Burkholderia (7%), and Bacillus (7%) was demonstrated. Denaturing gradient gel electrophoresis (DGGE) of 15 samples revealed Proteobacteria and Firmicutes to be the most abundant phyla. When 16S rRNA V6 gene pyrosequencing of four selected fuel samples (indicated by "JW") was performed, Betaproteobacteria (42.8%) and Gammaproteobacteria (30.6%) formed the largest proportion of reads; the most abundant genera were Marinobacter (15.4%; JW57), Achromobacter (41.6%; JW63), Burkholderia (80.7%; JW76), and Halomonas (66.2%; JW78), all of which were also observed by DGGE. However, the Clostridia (38.5%) and Deltaproteobacteria (11.1%) identified by pyrosequencing in sample JW57 were not observed by DGGE or aerobic culture. Genotyping revealed three instances where identical strains were found: (i) a Pseudomonas sp. strain recovered from 2 different diesel fuel tanks at a single industrial site; (ii) a Mangroveibacter sp. strain isolated from 3 biodiesel tanks at a single refinery site; and (iii) a Burkholderia vietnamiensis strain present in two unrelated automotive diesel samples. Overall, aerobic cultivation of fuel contaminants recovered isolates broadly representative of the phyla and classes present but lacked accuracy by overrepresenting members of certain groups such as Pseudomonas.
C1 [White, Judith; Weightman, Andrew J.; Mahenthiralingam, Eshwar] Cardiff Univ, Cardiff Sch Biosci, Organisms & Environm Div, Cardiff CF10 3AT, S Glam, Wales.
[Gilbert, Jack] Argonne Natl Lab, Argonne, IL 60439 USA.
[Gilbert, Jack] Univ Chicago, Chicago, IL 60637 USA.
[Hill, Graham; Hill, Edward] ECHA Microbiol Ltd, Cardiff Bay Business Ctr, Unit M210, Cardiff, S Glam, Wales.
[Huse, Susan M.] Josephine Bay Paul Ctr Comparat Mol Biol & Evolut, Marine Biol Lab, Woods Hole, MA USA.
RP Mahenthiralingam, E (reprint author), Cardiff Univ, Cardiff Sch Biosci, Organisms & Environm Div, Room 0-11E Main Bldg,Museum Ave, Cardiff CF10 3AT, S Glam, Wales.
EM MahenthiralingamE@cardiff.ac.uk
RI Mahenthiralingam, Eshwar/D-3333-2009; Weightman, Andrew/A-2970-2010
OI Mahenthiralingam, Eshwar/0000-0001-9014-3790; Weightman,
Andrew/0000-0002-6671-2209
FU Natural Environment Research Council (NERC) [NER/S/A/2006/14002, 357];
ECHA Microbiology Ltd., Cardiff, Wales, United Kingdom
FX J.W. acknowledges funding from a Natural Environment Research Council
(NERC) Ph.D. studentship (NER/S/A/2006/14002) and industrial CASE-Ph.D.
sponsorship from ECHA Microbiology Ltd., Cardiff, Wales, United Kingdom.
G.H. and E.H. declare a financial interest in ECHA Microbiology Ltd. as
managing director and laboratory director of the company, respectively.;
We thank Julian Marchesi, Kevin Ashelford, Steffan Adams, Andrew
Cossins, and Margaret Hughes for advice and technical assistance in
performing the pyrosequencing analysis under NERC Biomolecular Analysis
Facility (NBAF) grant 357.
NR 51
TC 17
Z9 20
U1 0
U2 10
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
EI 1098-5336
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD JUL
PY 2011
VL 77
IS 13
BP 4527
EP 4538
DI 10.1128/AEM.02317-10
PG 12
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 782CR
UT WOS:000291985700031
PM 21602386
ER
PT J
AU Sundararajan, A
Kurowski, J
Yan, T
Klingeman, DM
Joachimiak, MP
Zhou, J
Naranjo, B
Gralnick, JA
Fields, MW
AF Sundararajan, A.
Kurowski, J.
Yan, T.
Klingeman, D. M.
Joachimiak, M. P.
Zhou, J.
Naranjo, B.
Gralnick, J. A.
Fields, M. W.
TI Shewanella oneidensis MR-1 Sensory Box Protein Involved in Aerobic and
Anoxic Growth
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID CYCLIC-DI-GMP; AZOTOBACTER-VINELANDII NIFL; HOST-RANGE CLONING;
ANAEROBIC RESPIRATION; CAMPYLOBACTER-JEJUNI; HYPOTHETICAL GENES;
EXPRESSION VECTORS; FUMARATE REDUCTASE; FLAVOCYTOCHROME-C;
ESCHERICHIA-COLI
AB Although little is known of potential function for conserved signaling proteins, it is hypothesized that such proteins play important roles to coordinate cellular responses to environmental stimuli. In order to elucidate the function of a putative sensory box protein (PAS domains) in Shewanella oneidensis MR-1, the physiological role of SO3389 was characterized. The predicted open reading frame (ORF) encodes a putative sensory box protein that has PAS, GGDEF, and EAL domains, and an in-frame deletion mutant was constructed (Delta SO3389) with approximately 95% of the ORF deleted. Under aerated conditions, wild-type and mutant cultures had similar growth rates, but the mutant culture had a lower growth rate under static, aerobic conditions. Oxygen consumption rates were lower for mutant cultures (1.5-fold), and wild-type cultures also maintained lower dissolved oxygen concentrations under aerated growth conditions. When transferred to anoxic conditions, the mutant did not grow with fumarate, iron(III), or dimethyl sulfoxide (DMSO) as electron acceptors. Biochemical assays demonstrated the expression of different c-type cytochromes as well as decreased fumarate reductase activity in the mutant transferred to anoxic growth conditions. Transcriptomic studies showed the inability of the mutant to up-express and down-express genes, including c-type cytochromes (e.g., SO4047/SO4048, SO3285/SO3286), reductases (e.g., SO0768, SO1427), and potential regulators (e.g., SO1329). The complemented strain was able to grow when transferred from aerobic to anoxic growth conditions with the tested electron acceptors. The modeled structure for the SO3389 PAS domains was highly similar to the crystal structures of FAD-binding PAS domains that are known O(2)/redox sensors. Based on physiological, genomic, and bioinformatic results, we suggest that the sensory box protein, SO3389, is an O(2)/redox sensor that is involved in optimization of aerobic growth and transitions to anoxia in S. oneidensis MR-1.
C1 [Fields, M. W.] Montana State Univ, Dept Microbiol, Ctr Biofilm Engn, Bozeman, MT 59717 USA.
[Sundararajan, A.; Kurowski, J.] Miami Univ, Dept Microbiol, Oxford, OH 45056 USA.
[Yan, T.; Klingeman, D. M.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Joachimiak, M. P.] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
[Zhou, J.] Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA.
[Naranjo, B.; Gralnick, J. A.] Univ Minnesota, Dept Microbiol & BioTechnol Inst, St Paul, MN 55108 USA.
RP Fields, MW (reprint author), Montana State Univ, Dept Microbiol, Ctr Biofilm Engn, 366 EPS Bldg, Bozeman, MT 59717 USA.
EM matthew.fields@erc.montana.edu
RI Klingeman, Dawn/B-9415-2012
OI Klingeman, Dawn/0000-0002-4307-2560
FU Office of Science, Office of Biological and Environmental Research, of
the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was conducted by ENIGMA (Ecosystems and Networks Integrated
with Genes and Molecular Assemblies) and was supported by the Office of
Science, Office of Biological and Environmental Research, of the U.S.
Department of Energy under contract no. DE-AC02-05CH11231.
NR 60
TC 5
Z9 5
U1 2
U2 12
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 JUL
PY 2011
VL 77
IS 13
BP 4647
EP 4656
DI 10.1128/AEM.03003-10
PG 10
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 782CR
UT WOS:000291985700045
PM 21602393
ER
PT J
AU Xiong, YL
AF Xiong, Yongliang
TI Organic species of lanthanum in natural environments: Implications to
mobility of rare earth elements in low temperature environments
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID STABILITY-CONSTANTS; IONIC-STRENGTH; AQUEOUS GEOCHEMISTRY; STANDARD
ENTHALPIES; ACETATE SYSTEMS; COMPLEXES; 25-DEGREES-C; SOLUBILITY;
WATERS; COEFFICIENTS
AB Naturally occurring organic ligands, such as acetate, citrate, malonate, oxalate, and succinate, play important roles in mobility and accumulation of La and other rare earth elements in low temperature systems under Earth surface conditions. However, a comprehensive and consistent thermodynamic database covering the complexes of rare earth elements with those naturally occurring organic ligands is lacking. In this study, thermodynamic data of organic species of rare earth elements (REE) represented by La, with an emphasis on their aqueous complexes with organic ligands, are critically reviewed. The organic ligands covered by this study include acetate, citrate, malonate, oxalate and succinate. In this critical review, the Specific Interaction Theory (SIT) model is adopted for extrapolation to infinite dilution. This model is a reliable activity coefficient model valid for a wide range of ionic strengths. These critically reviewed data, including complex formation constants, SIT interaction coefficients and solubility product constants, would enable accurate modeling of the speciation and solubility of REE in various environments including high ionic strength environments, providing insight into mobility and enrichment of REE in various environments. (C) 2011 Elsevier Ltd. All rights reserved.
C1 Sandia Natl Labs, Carlsbad, NM 88220 USA.
RP Xiong, YL (reprint author), Sandia Natl Labs, 4100 Natl Pk Highway, Carlsbad, NM 88220 USA.
EM yxiong@sandia.gov
FU Lockheed Martin company for United States Department of Energy's
National Nuclear Security Administration [DE-AC04-94AL85000]
FX Sandia National Laboratories is a multiprogram laboratory operated by
Sandia Corporation, a wholly owned subsidiary of Lockheed Martin
company, for the United States Department of Energy's National Nuclear
Security Administration under Contract DE-AC04-94AL85000. The author is
grateful to Dr. Phil Verplanck, the journal reviewer, for his insightful
review, and to Dr. Ron Fuge, the journal editor, for his editorial work.
Their efforts have significantly improved the presentation of the paper.
NR 36
TC 6
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U1 0
U2 19
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD JUL
PY 2011
VL 26
IS 7
BP 1130
EP 1137
DI 10.1016/j.apgeochem.2011.04.003
PG 8
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 783XO
UT WOS:000292118400008
ER
PT J
AU Hoover, SW
Marner, WD
Brownson, AK
Lennen, RM
Wittkopp, TM
Yoshitani, J
Zulkifly, S
Graham, LE
Chaston, SD
McMahon, KD
Pfleger, BF
AF Hoover, Spencer W.
Marner, Wesley D., II
Brownson, Amy K.
Lennen, Rebecca M.
Wittkopp, Tyler M.
Yoshitani, Jun
Zulkifly, Shahrizim
Graham, Linda E.
Chaston, Sheena D.
McMahon, Katherine D.
Pfleger, Brian F.
TI Bacterial production of free fatty acids from freshwater macroalgal
cellulose
SO APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
LA English
DT Article
DE Biofuel; Algae; Fatty acid; Escherichia coli; Thioesterase
ID ESCHERICHIA-COLI; TREATMENT FACILITY; NILE RED; BIOFUELS; BIOSYNTHESIS;
EXPRESSION; CELLOBIOHYDROLASE; OVERPRODUCTION; PERIPHYTON; CONVERSION
AB The predominant strategy for using algae to produce biofuels relies on the overproduction of lipids in microalgae with subsequent conversion to biodiesel (methyl-esters) or green diesel (alkanes). Conditions that both optimize algal growth and lipid accumulation rarely overlap, and differences in growth rates can lead to wild species outcompeting the desired lipid-rich strains. Here, we demonstrate an alternative strategy in which cellulose contained in the cell walls of multicellular algae is used as a feedstock for cultivating biofuel-producing microorganisms. Cellulose was extracted from an environmental sample of Cladophora glomerata-dominated periphyton that was collected from Lake Mendota, WI, USA. The resulting cellulose cake was hydrolyzed by commercial enzymes to release fermentable glucose. The hydrolysis mixture was used to formulate an undefined medium that was able to support the growth, without supplementation, of a free fatty acid (FFA)-overproducing strain of Escherichia coli (Lennen et. al 2010). To maximize free fatty acid production from glucose, an isopropyl beta-d-1-thiogalactopyranoside (IPTG)-inducible vector was constructed to express the Umbellularia californica acyl-acyl carrier protein (ACP) thioesterase. Thioesterase expression was optimized by inducing cultures with 50 mu M IPTG. Cell density and FFA titers from cultures grown on algae-based media reached 50% of those (similar to 90 mu g/mL FFA) cultures grown on rich Luria-Bertani broth supplemented with 0.2% glucose. In comparison, cultures grown in two media based on AFEX-pretreated corn stover generated tenfold less FFA than cultures grown in algae-based media. This study demonstrates that macroalgal cellulose is a potential carbon source for the production of biofuels or other microbially synthesized compounds.
C1 [Hoover, Spencer W.; Brownson, Amy K.; Lennen, Rebecca M.; Pfleger, Brian F.] Univ Wisconsin, Madison, WI 53706 USA.
[Hoover, Spencer W.; Marner, Wesley D., II; Lennen, Rebecca M.; Wittkopp, Tyler M.; Pfleger, Brian F.] Great Lakes Bioenergy Res Ctr, Madison, WI 53706 USA.
[Yoshitani, Jun] Bioenergy & Environm Inc, W Chicago, IL 60185 USA.
[Zulkifly, Shahrizim; Graham, Linda E.] Univ Wisconsin, Dept Bot, Madison, WI 53706 USA.
[Chaston, Sheena D.; McMahon, Katherine D.] Univ Wisconsin, Dept Civil & Environm Engn, Madison, WI 53706 USA.
[Chaston, Sheena D.; McMahon, Katherine D.] Univ Wisconsin, Dept Bacteriol, Madison, WI 53706 USA.
RP Pfleger, BF (reprint author), Univ Wisconsin, 2034 Engn Hall,1415 Engn Dr, Madison, WI 53706 USA.
EM pfleger@engr.wisc.edu
RI McMahon, Katherine/I-3651-2012;
OI McMahon, Katherine D./0000-0002-7038-026X; Zulkifly,
Shahrizim/0000-0001-7809-6469
FU Wisconsin Energy Independence Fund; DOE Great Lakes Bioenergy Research
Center (DOE Office of Science) [BER DE-FC02-07ER64494]; Holstrom
Environmental Scholarship
FX This work was supported by a grant from the Wisconsin Energy
Independence Fund to J.Y. and by the DOE Great Lakes Bioenergy Research
Center (DOE Office of Science BER DE-FC02-07ER64494). A.K.B. was
supported as a recipient of a Holstrom Environmental Scholarship. R. M.
L. was supported as a trainee in the Chemistry-Biology Interface
Training Program (NIH).
NR 50
TC 14
Z9 15
U1 1
U2 27
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0175-7598
J9 APPL MICROBIOL BIOT
JI Appl. Microbiol. Biotechnol.
PD JUL
PY 2011
VL 91
IS 2
BP 435
EP 446
DI 10.1007/s00253-011-3344-x
PG 12
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 785BU
UT WOS:000292203200020
PM 21643704
ER
PT J
AU Cooperman, A
Dieckmann, J
Brodrick, J
AF Cooperman, Alissa
Dieckmann, John
Brodrick, James
TI Commercial Envelopes
SO ASHRAE JOURNAL
LA English
DT Editorial Material
AB More than 5 million buildings, totalling more than 80 billion ft(2) (7.4 billion m(2)) of floor space, comprise the U.S. commercial building stock. Eighty percent of these buildings will still be in operation for at least the next two decades. These inefficient buildings will continue to waste energy unless improved.(1,2) Commercial building retrofits occur at a rate of 2.2% of the current stock per year, or approximately 2 billion ft(2) (185 million m(2)) per year.(3)
C1 [Cooperman, Alissa; Dieckmann, John] TIAX LLC, Mech Syst Grp, Cambridge, MA USA.
[Brodrick, James] US DOE, Bldg Technol Program, Washington, DC USA.
RP Cooperman, A (reprint author), TIAX LLC, Mech Syst Grp, Cambridge, MA USA.
NR 14
TC 4
Z9 4
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
J9 ASHRAE J
JI ASHRAE J.
PD JUL
PY 2011
VL 53
IS 7
BP 134
EP 136
PG 3
WC Thermodynamics; Construction & Building Technology; Engineering,
Mechanical
SC Thermodynamics; Construction & Building Technology; Engineering
GA 793GW
UT WOS:000292809400021
ER
PT J
AU Faccioli, L
Kim, AG
Miquel, R
Bernstein, G
Bonissent, A
Brown, M
Carithers, W
Christiansen, J
Connolly, N
Deustua, S
Gerdes, D
Gladney, L
Kushner, G
Linder, EV
Mckee, S
Mostek, N
Shukla, H
Stebbins, A
Stoughton, C
Tucker, D
AF Faccioli, L.
Kim, A. G.
Miquel, R.
Bernstein, G.
Bonissent, A.
Brown, M.
Carithers, W.
Christiansen, J.
Connolly, N.
Deustua, S.
Gerdes, D.
Gladney, L.
Kushner, G.
Linder, E. V.
McKee, S.
Mostek, N.
Shukla, H.
Stebbins, A.
Stoughton, C.
Tucker, D.
TI Reducing zero-point systematics in dark energy supernova experiments
SO ASTROPARTICLE PHYSICS
LA English
DT Article
DE Dark energy; Cosmology: observations; Supernovae
ID IA SUPERNOVAE; COSMOLOGICAL PARAMETERS; LIGHT CURVES; CONSTRAINTS;
UNCERTAINTIES
AB We study the effect of filter zero-point uncertainties on future supernova dark energy missions. Fitting for calibration parameters using simultaneous analysis of all Type la supernova standard candles achieves a significant improvement over more traditional fit methods. This conclusion is robust under diverse experimental configurations (number of observed supernovae, maximum survey redshift, inclusion of additional systematics). This approach to supernova fitting considerably eases otherwise stringent mission calibration requirements. As an example we simulate a space-based mission based on the proposed JDEM satellite; however-the method and conclusions are general and valid for any future supernova dark energy mission, ground or space-based. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Faccioli, L.; Linder, E. V.; Mostek, N.] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA.
[Kim, A. G.; Carithers, W.; Kushner, G.; Shukla, H.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Miquel, R.] Inst Catalana Recerca & Estudis Avancats, E-08010 Barcelona, Spain.
[Miquel, R.] Inst Fiis Altes Energies, E-08193 Bellaterra, Barcelona, Spain.
[Bernstein, G.; Gladney, L.] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA.
[Bonissent, A.] CNRS, IN2P3, CPPM, F-13288 Marseille 9, France.
[Brown, M.] MIT, Lincoln Lab, Lexington, MA 02420 USA.
[Christiansen, J.] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 93407 USA.
[Connolly, N.] Hamilton Coll, Dept Phys, Clinton, NY 13323 USA.
[Deustua, S.] Space Telescope Sci Inst, Baltimore, MD 21218 USA.
[Gerdes, D.; McKee, S.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Linder, E. V.] Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA.
[Linder, E. V.] Ewha Womans Univ, Inst Early Universe, Seoul, South Korea.
[Stebbins, A.; Stoughton, C.; Tucker, D.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Faccioli, L (reprint author), Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA.
EM lfaccioli@lbl.gov
OI Tucker, Douglas/0000-0001-7211-5729; Miquel, Ramon/0000-0002-6610-4836
FU Office of Science, Office of High Energy Physics, of the US Department
of Energy [DE-AC02-05CH11231]
FX This work 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.
NR 26
TC 2
Z9 2
U1 0
U2 6
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-6505
J9 ASTROPART PHYS
JI Astropart Phys.
PD JUL
PY 2011
VL 34
IS 12
BP 847
EP 857
DI 10.1016/j.astropartphys.2011.03.003
PG 11
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 781TF
UT WOS:000291958700001
ER
PT J
AU Chauvin, TR
Liu, T
Nicora, C
Xie, F
Yang, F
Camp, D
Smith, R
Roberts, KP
AF Chauvin, Theodore R.
Liu, Tao
Nicora, Carrie
Xie, Fang
Yang, Feng
Camp, David
Smith, Richard
Roberts, Kenneth P.
TI The Sperm Maturation Proteome of Mus musculus.
SO BIOLOGY OF REPRODUCTION
LA English
DT Meeting Abstract
CT 44th Annual Meeting of the Society-for-the-Study-of-Reproduction (SSR)
CY 2011
CL Portland, OR
SP Soc Study Reproduct
C1 Washington State Univ, Spokane, WA USA.
Pacific NW Natl Lab, Richland, WA 99352 USA.
NR 0
TC 0
Z9 0
U1 0
U2 1
PU SOC STUDY REPRODUCTION
PI MADISON
PA 1691 MONROE ST,SUITE # 3, MADISON, WI 53711-2021 USA
SN 0006-3363
J9 BIOL REPROD
JI Biol. Reprod.
PD JUL
PY 2011
VL 85
SI SI
MA 575
PG 2
WC Reproductive Biology
SC Reproductive Biology
GA 032VC
UT WOS:000310746200155
ER
PT J
AU Nagler, J
Cavileer, T
Caldwell, L
Schultz, I
AF Nagler, James
Cavileer, Timothy
Caldwell, Lucius
Schultz, Irvin
TI Duplication of the Kisspeptin-2 Gene in Rainbow Trout (Oncorhynchus
mykiss) Brain and Pituitary
SO BIOLOGY OF REPRODUCTION
LA English
DT Meeting Abstract
CT 44th Annual Meeting of the Society-for-the-Study-of-Reproduction (SSR)
CY 2011
CL Portland, OR
SP Soc Study Reproduct
C1 Univ Idaho, Moscow, ID 83843 USA.
Battelle Pacific NW Div, Sequim, WA USA.
NR 0
TC 0
Z9 0
U1 0
U2 1
PU SOC STUDY REPRODUCTION
PI MADISON
PA 1691 MONROE ST,SUITE # 3, MADISON, WI 53711-2021 USA
SN 0006-3363
J9 BIOL REPROD
JI Biol. Reprod.
PD JUL
PY 2011
VL 85
SI SI
MA 814
PG 1
WC Reproductive Biology
SC Reproductive Biology
GA 032VC
UT WOS:000310746200706
ER
PT J
AU Nagler, J
Cavileer, T
Caldwell, L
Schultz, I
AF Nagler, James
Cavileer, Timothy
Caldwell, Lucius
Schultz, Irvin
TI Duplication of the Kisspeptin-2 Gene in Rainbow Trout (Oncorhynchus
mykiss) Brain and Pituitary.
SO BIOLOGY OF REPRODUCTION
LA English
DT Meeting Abstract
CT 44th Annual Meeting of the Society-for-the-Study-of-Reproduction (SSR)
CY 2011
CL Portland, OR
SP Soc Study Reproduct
C1 Univ Idaho, Moscow, ID 83843 USA.
Battelle Pacific NW Div, Sequim, WA USA.
NR 0
TC 0
Z9 0
U1 0
U2 2
PU SOC STUDY REPRODUCTION
PI MADISON
PA 1691 MONROE ST,SUITE # 3, MADISON, WI 53711-2021 USA
SN 0006-3363
J9 BIOL REPROD
JI Biol. Reprod.
PD JUL
PY 2011
VL 85
SI SI
MA 814
PG 1
WC Reproductive Biology
SC Reproductive Biology
GA 032VC
UT WOS:000310746200464
ER
PT J
AU Rosner, R
Lordan, R
Goldberg, S
AF Rosner, Robert
Lordan, Rebecca
Goldberg, Stephen
TI Moving to passive designs
SO BULLETIN OF THE ATOMIC SCIENTISTS
LA English
DT Article
DE active design; defense in depth; Fukushima Daiichi; nuclear energy;
nuclear reactors; passive design; safety; small modular reactor
AB The events at Fukushima Daiichi have greatly renewed the public focus on the safety of the existing fleet of nuclear reactors, especially as many US reactors share the same fundamental design-and safety systems-as the affected Japanese reactors. The authors explore the proposition that a transition to increasingly passive safety features in new advanced reactor designs- supplementing, and in some cases superseding, the existing approach of depending on active "defense-in-depth" safety systems-could significantly reduce reactor safety risks. Such passive safety features are highly developed in new small modular reactor designs now under thorough study, designs that may also markedly improve the economic case for nuclear power, based on a factory-built reactor approach. These reactors offer the possibility that US-based manufacturers could regain a significant share of the international nuclear reactor market.
C1 [Rosner, Robert] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Rosner, Robert] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
[Lordan, Rebecca] Univ Chicago, Harris Sch Publ Policy Res, Chicago, IL 60637 USA.
[Goldberg, Stephen] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Rosner, R (reprint author), Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
NR 1
TC 1
Z9 1
U1 0
U2 0
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 0096-3402
J9 B ATOM SCI
JI Bull. Atom. Scient.
PD JUL
PY 2011
VL 67
IS 4
SI SI
BP 23
EP 29
DI 10.1177/0096340211413374
PG 7
WC International Relations; Social Issues
SC International Relations; Social Issues
GA 786MS
UT WOS:000292313100005
ER
PT J
AU Daniel, RC
Billing, JM
Russell, RL
Shimskey, RW
Smith, HD
Peterson, RA
AF Daniel, R. C.
Billing, J. M.
Russell, R. L.
Shimskey, R. W.
Smith, H. D.
Peterson, R. A.
TI Integrated pore blockage-cake filtration model for crossflow filtration
SO CHEMICAL ENGINEERING RESEARCH & DESIGN
LA English
DT Article
DE Filtration; Fouling; Modeling
ID CONCENTRATION POLARIZATION; MICROFILTRATION MEMBRANES; FLUX DECLINE;
ULTRAFILTRATION; SUSPENSIONS; MECHANISMS; FLUIDS; LAYER
AB Crossflow filtration is to be a key process in the treatment and disposal of approximately 60,000 metric tons of high-level radioactive waste stored at the Hanford Site in Richland, Washington. Pacific Northwest National Laboratory is assessing filter performance with waste simulant materials that mimic the chemical and physical properties of Hanford tank waste. Prior simulant studies indicated that waste filtration performance may be limited by pore and cake fouling. To limit the shutdown of waste treatment operations, the pre-treatment facility plans to recover filter flux losses from cake formation and filter fouling by frequently backpulsing the filter elements. The objective of the current paper is to develop a simple model of flux decline resulting from cake and pore fouling and potential flux recovery through backpulsing of the filters for Hanford waste filtration operations. To this end, a model capable of characterizing the decline in waste simulant filter flux as a function of both irreversible pore blockage and reversible cake formation is proposed. This model is used to characterize the filtration behavior of Hanford waste simulants in both continuous and backpulsed operations. The model is then used to infer the optimal backpulse frequency under specific operating conditions. (C) 2010 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
C1 [Daniel, R. C.; Billing, J. M.; Russell, R. L.; Shimskey, R. W.; Smith, H. D.; Peterson, R. A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Peterson, RA (reprint author), Pacific NW Natl Lab, POB 999,MSIN P7-22, Richland, WA 99352 USA.
EM reid.peterson@pnl.gov
OI Peterson, Reid/0000-0003-3368-1896
FU United States Department of Energy [DE-AC05-76RL01830]
FX The work described in this article was performed by Pacific Northwest
National Laboratory, which is operated by Battelle for the United States
Department of Energy under Contract DE-AC05-76RL01830.
NR 29
TC 7
Z9 7
U1 1
U2 13
PU INST CHEMICAL ENGINEERS
PI RUGBY
PA 165-189 RAILWAY TERRACE, DAVIS BLDG, RUGBY CV21 3HQ, ENGLAND
SN 0263-8762
J9 CHEM ENG RES DES
JI Chem. Eng. Res. Des.
PD JUL
PY 2011
VL 89
IS 7A
BP 1094
EP 1103
DI 10.1016/j.cherd.2010.09.006
PG 10
WC Engineering, Chemical
SC Engineering
GA 781GX
UT WOS:000291919700024
ER
PT J
AU Yue, P
Wei, YX
Di, LP
He, LL
Gong, JY
Zhang, LP
AF Yue, Peng
Wei, Yaxing
Di, Liping
He, Lianlian
Gong, Jianya
Zhang, Liangpei
TI Sharing geospatial provenance in a service-oriented environment
SO COMPUTERS ENVIRONMENT AND URBAN SYSTEMS
LA English
DT Article
DE Geospatial Web Service; CSW; ebRIM; Service chaining; Data provenance;
GIS
ID GEOGRAPHIC INFORMATION-SYSTEMS; SCIENTIFIC WORKFLOW; WEB SERVICES;
E-SCIENCE; CHALLENGE; TRACKING; SUPPORT
AB One of the earliest investigations of provenance was inspired by applications in GIS in the early 1990's. Provenance records the processing history of a data product. It provides an information context to help users determine the reliability of data products. Conventional provenance applications in GIS focus on provenance capture, representation, and usage in a stand-alone environment such as a desktop-based GIS software system. They cannot support wide sharing and open access of provenance in a distributed environment. The growth of service-oriented sharing and processing of geospatial data brings some new challenges in provenance-aware applications. One is how to share geospatial provenance in an interoperable way. This paper describes the development of provenance service for geospatial data products using the ebXML Registry Information Model (ebRIM) of a geospatial catalog service, which follows the interface specifications of the OGC Catalogue Services for the Web (CSW). This approach fits well the current service stack of the GIS domain and facilitates the management of geospatial data provenance in an open and distributed environment. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Yue, Peng; Gong, Jianya; Zhang, Liangpei] Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Peoples R China.
[Wei, Yaxing] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Di, Liping] George Mason Univ, Ctr Spatial Informat Sci & Syst CSISS, Fairfax, VA 22030 USA.
[He, Lianlian] Hubei Univ Educ, Dept Math, Wuhan 430205, Hubei, Peoples R China.
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
NR 48
TC 18
Z9 20
U1 1
U2 21
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0198-9715
EI 1873-7587
J9 COMPUT ENVIRON URBAN
JI Comput. Environ. Urban Syst.
PD JUL
PY 2011
VL 35
IS 4
BP 333
EP 343
DI 10.1016/j.compenvurbsys.2011.02.006
PG 11
WC Computer Science, Interdisciplinary Applications; Engineering,
Environmental; Environmental Studies; Geography; Operations Research &
Management Science
SC Computer Science; Engineering; Environmental Sciences & Ecology;
Geography; Operations Research & Management Science
GA 781FV
UT WOS:000291916900007
ER
PT J
AU Arent, DJ
Wise, A
Gelman, R
AF Arent, Douglas J.
Wise, Alison
Gelman, Rachel
TI The status and prospects of renewable energy for combating global
warming
SO ENERGY ECONOMICS
LA English
DT Article
DE Renewable energy; Global warming; Greenhouse gas emissions; Energy
technologies; Energy markets; Energy investments
ID CLIMATE; POLICY; ELECTRICITY; GENERATION; BIOFUELS
AB Reducing anthropogenic greenhouse gas (GHG) emissions in material quantities, globally, is a critical element in limiting the impacts of global warming. GHG emissions associated with energy extraction and use are a major component of any strategy addressing climate change mitigation. Non-emitting options for electrical power and liquid transportation fuels are increasingly considered key components of an energy system with lower overall environmental impacts. Renewable energy technologies (RETs) as well as biofuels technologies have been accelerating rapidly during the past decades, both in technology performance and cost-competitiveness - and they are increasingly gaining market share. These technology options offer many positive attributes, but also have unique cost/benefit trade-offs, such as land-use competition for bioresources and variability for wind and solar electric generation technologies. This paper presents a brief summary of status, recent progress, some technological highlights for RETs and biofuels, and an analysis of critical issues that must be addressed for RETs to meet a greater share of the global energy requirements and lower GHG emissions. (C) 2011 Published by Elsevier B.V.
C1 [Arent, Douglas J.; Wise, Alison; Gelman, Rachel] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Arent, DJ (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM doug.arent@nrel.gov
NR 66
TC 52
Z9 54
U1 4
U2 43
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0140-9883
J9 ENERG ECON
JI Energy Econ.
PD JUL
PY 2011
VL 33
IS 4
SI SI
BP 584
EP 593
DI 10.1016/j.eneco.2010.11.003
PG 10
WC Economics
SC Business & Economics
GA 781BS
UT WOS:000291906200004
ER
PT J
AU Greene, DL
AF Greene, David L.
TI Uncertainty, loss aversion, and markets for energy efficiency
SO ENERGY ECONOMICS
LA English
DT Article
DE Energy efficiency; Fuel economy; Loss aversion
ID REFERENCE-DEPENDENT PREFERENCES; DISCOUNT RATES; FUEL-ECONOMY;
CONSUMERS; INVESTMENT; DECISIONS; CHOICES; RISK
AB Increasing energy efficiency is critical to mitigating greenhouse gas emissions from fossil-fuel combustion, reducing oil dependence, and achieving a sustainable global energy system. The tendency of markets to neglect apparently cost-effective energy efficiency options has been called the "efficiency gap" or "energy paradox." The market for energy efficiency in new, energy-using durable goods, however, appears to have a bias that leads to undervaluation of future energy savings relative to their expected value. This paper argues that the bias is chiefly produced by the combination of substantial uncertainty about the net value of future fuel savings and the loss aversion of typical consumers. This framework relies on the theory of context-dependent preferences. The uncertainty-loss aversion bias against energy efficiency is quantifiable, making it potentially correctible by policy measures. The welfare economics of such policies remains unresolved. Data on the costs of increased fuel economy of new passenger cars, taken from a National Research Council study, illustrate how an apparently cost-effective increase in energy efficiency would be uninteresting to loss-averse consumers. (C) 2010 Elsevier B.V. All rights reserved.
C1 Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA.
RP Greene, DL (reprint author), Oak Ridge Natl Lab, Energy & Transportat Sci Div, POB 2008,MS6472, Oak Ridge, TN 37831 USA.
EM dlgreene@ornl.gov
NR 50
TC 33
Z9 34
U1 3
U2 26
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0140-9883
J9 ENERG ECON
JI Energy Econ.
PD JUL
PY 2011
VL 33
IS 4
SI SI
BP 608
EP 616
DI 10.1016/j.eneco.2010.08.009
PG 9
WC Economics
SC Business & Economics
GA 781BS
UT WOS:000291906200008
ER
PT J
AU McJeon, HC
Clarke, L
Kyle, P
Wise, M
Hackbarth, A
Bryant, BP
Lempert, RJ
AF McJeon, Haewon C.
Clarke, Leon
Kyle, Page
Wise, Marshall
Hackbarth, Andrew
Bryant, Benjamin P.
Lempert, Robert J.
TI Technology interactions among low-carbon energy technologies: What can
we learn from a large number of scenarios?
SO ENERGY ECONOMICS
LA English
DT Article
DE Climate change; Technology R&D; Technological change; Scenario discovery
ID STABILIZATION; UNCERTAINTY; STRATEGIES; ROBUST; POLICY
AB Advanced low-carbon energy technologies can substantially reduce the cost of stabilizing atmospheric carbon dioxide concentrations. Understanding the interactions between these technologies and their impact on the costs of stabilization can help inform energy policy decisions. Many previous studies have addressed this challenge by exploring a small number of representative scenarios that represent particular combinations of future technology developments. This paper uses a combinatorial approach in which scenarios are created for all combinations of the technology development assumptions that underlie a smaller, representative set of scenarios. We estimate stabilization costs for 768 runs of the Global Change Assessment Model (GCAM), based on 384 different combinations of assumptions about the future performance of technologies and two stabilization goals. Graphical depiction of the distribution of stabilization costs provides first-order insights about the full data set and individual technologies. We apply a formal scenario discovery method to obtain more nuanced insights about the combinations of technology assumptions most strongly associated with high-cost outcomes. Many of the fundamental insights from traditional representative scenario analysis still hold under this comprehensive combinatorial analysis. For example, the importance of carbon capture and storage (CCS) and the substitution effect among supply technologies are consistently demonstrated. The results also provide more clarity regarding insights not easily demonstrated through representative scenario analysis. For example, they show more clearly how certain supply technologies can provide a hedge against high stabilization costs, and that aggregate end-use efficiency improvements deliver relatively consistent stabilization cost reductions. Furthermore, the results indicate that a lack of CCS options combined with lower technological advances in the buildings sector or the transportation sector is the most powerful predictor of high-cost scenarios. (C) 2010 Elsevier B.V. All rights reserved.
C1 [McJeon, Haewon C.; Clarke, Leon; Kyle, Page; Wise, Marshall] Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20740 USA.
[Hackbarth, Andrew; Bryant, Benjamin P.; Lempert, Robert J.] RAND Corp, Santa Monica, CA USA.
RP McJeon, HC (reprint author), Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20740 USA.
EM hmcjeon@pnl.gov
NR 33
TC 39
Z9 39
U1 0
U2 18
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0140-9883
J9 ENERG ECON
JI Energy Econ.
PD JUL
PY 2011
VL 33
IS 4
SI SI
BP 619
EP 631
DI 10.1016/j.eneco.2010.10.007
PG 13
WC Economics
SC Business & Economics
GA 781BS
UT WOS:000291906200010
ER
PT J
AU Pugh, G
Clarke, L
Marlay, R
Kyle, P
Wise, M
McJeon, H
Chan, G
AF Pugh, Graham
Clarke, Leon
Marlay, Robert
Kyle, Page
Wise, Marshall
McJeon, Haewon
Chan, Gabriel
TI Energy R&D portfolio analysis based on climate change mitigation
SO ENERGY ECONOMICS
LA English
DT Article
DE Energy technology; Climate change; R&D; Portfolio analysis
ID TECHNOLOGICAL-CHANGE; TECHNICAL CHANGE; COST
AB The diverse nature and uncertain potential of the energy technologies that are or may be available to mitigate greenhouse gas emissions pose a challenge to policymakers trying to invest public funds in an optimal R&D portfolio. This paper discusses two analytical approaches to this challenge used to inform funding decisions related to the U.S. Department of Energy (DOE) applied energy R&D portfolio. The two approaches are distinguished by the constraints under which they were conducted: the need to provide an end-to-end portfolio analysis as input to internal DOE budgeting processes, but with limited time and subject to institutional constraints regarding important issues such as expert judgment. Because of these constraints, neither approach should be viewed as an attempt to push forward the state of the art in portfolio analysis in the abstract. Instead, they are an attempt to use more stylized, heuristic methods that can provide first-order insights in the DOE institutional context. Both approaches make use of advanced technology scenarios implemented in an integrated assessment modeling framework and then apply expert judgment regarding the likelihood of achieving associated R&D and commercialization goals. The approaches differ in the granularity of the scenarios used and in the definition of the benefits of technological advance: in one approach the benefits are defined as the cumulative emission reduction attributable to a particular technology; in the other approach benefits are defined as the cumulative cost reduction. In both approaches a return on investment (ROI) criterion is established based on benefits divided by federal R&D investment. The ROI is then used to build a first-order approximation of an optimal applied energy R&D investment portfolio. Although these methodologies have been used to inform an actual budget request, the results reflect only one input among many used in budget formulation. The results are therefore not representative of an official U.S. government or DOE funding recommendation but should instead be considered illustrative of the way in which methodologies such as these could be applied. Published by Elsevier B.V.
C1 [Pugh, Graham; Marlay, Robert; Chan, Gabriel] US DOE, US Climate Change Technol Program, Washington, DC 20585 USA.
[Clarke, Leon; Kyle, Page; Wise, Marshall; McJeon, Haewon] Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD USA.
RP Pugh, G (reprint author), US DOE, US Climate Change Technol Program, 1000 Independence Ave SW, Washington, DC 20585 USA.
EM graham.pugh@hq.doe.gov
NR 21
TC 7
Z9 7
U1 1
U2 10
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0140-9883
J9 ENERG ECON
JI Energy Econ.
PD JUL
PY 2011
VL 33
IS 4
SI SI
BP 634
EP 643
DI 10.1016/j.eneco.2010.11.007
PG 10
WC Economics
SC Business & Economics
GA 781BS
UT WOS:000291906200012
ER
PT J
AU Wilbanks, TJ
AF Wilbanks, Thomas J.
TI Inducing transformational energy technological change
SO ENERGY ECONOMICS
LA English
DT Article
DE Energy technological change; Transformational technological change;
Serendipity; Economic waves; Information and innovation; Technology
transitions
AB Reducing risks of severe climate change in the latter part of the 20th Century is likely to require not only incremental improvements in known energy technologies, but the discovery of transformational new energy technologies. This paper reviews current knowledge about both demand and supply aspects of the challenge of accelerating transformational change, considering both economic and policy incentives, including targeted government funding of research and development, and several other schools of thought about drivers of scientific discovery and innovation. (C) 2011 Elsevier B.V. All rights reserved.
C1 Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Wilbanks, TJ (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN USA.
EM wilbankstj@ornl.gov
NR 46
TC 5
Z9 5
U1 2
U2 5
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0140-9883
J9 ENERG ECON
JI Energy Econ.
PD JUL
PY 2011
VL 33
IS 4
SI SI
BP 699
EP 708
DI 10.1016/j.eneco.2010.12.019
PG 10
WC Economics
SC Business & Economics
GA 781BS
UT WOS:000291906200020
ER
PT J
AU Luo, JW
Stradins, P
Zunger, A
AF Luo, Jun-Wei
Stradins, Paul
Zunger, Alex
TI Matrix-embedded silicon quantum dots for photovoltaic applications: a
theoretical study of critical factors
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID SOLAR-CELLS; ELECTRICAL-TRANSPORT; SI NANOCRYSTALS; NANOSTRUCTURES;
PHOTOLUMINESCENCE; CONFINEMENT; EFFICIENCY; EXCITONS; PSEUDOPOTENTIALS;
LUMINESCENCE
AB Si Quantum dots (QD's) are offering the possibilities for improving the efficiency and lowering the cost of solar cells. In this paper we study the PV-related critical factors that may affect design of Si QDs solar cell by performing atomistic calculation including many-body interaction. First, we find that the weak absorption in bulk Si is significantly enhanced in Si QDs, specially in small dot size, due to quantum-confinement induced mixing of G-character into the X-like conduction band states. We demonstrate that the atomic symmetry of Si QD also plays an important role on its bandgap and absorption spectrum. Second, quantum confinement has a detrimental effect on another PV property it significantly enhances the exciton binding energy in Si QDs, leading to difficulty in charge separation. We observe universal linear dependence of exciton binding energy versus excitonic gap for all Si QDs. Knowledge of this universal linear function will be helpful to obtain experimentally the exciton binding energy by just measuring the optical gap without requiring knowledge on dot shape, size, and surface treatment. Third, we evaluate the possibility of resonant charge transport in an array of Si QDs via miniband channels created by dot-dot coupling. We show that for such charge transport the Si QDs embedded into a matrix should have tight size tolerances and be very closely spaced. Fourth, we find that the loss of quantum confinement effect induced by dot-dot coupling is negligible - smaller than 70 meV even for two dots at intimate contact.
C1 [Luo, Jun-Wei; Stradins, Paul; Zunger, Alex] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Luo, JW (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
RI LUO, JUN-WEI/A-8491-2010; Zunger, Alex/A-6733-2013; LUO,
JUNWEI/B-6545-2013
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy [DE-AC36-08-GO28308]; National Renewable Energy Laboratory
FX This work is supported by the U.S. Department of Energy, Office of
Energy Efficiency and Renewable Energy, under Contract No.
DE-AC36-08-GO28308 with the National Renewable Energy Laboratory.
NR 62
TC 50
Z9 51
U1 3
U2 28
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 JUL
PY 2011
VL 4
IS 7
BP 2546
EP 2557
DI 10.1039/c1ee01026c
PG 12
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 785CN
UT WOS:000292205100025
ER
PT J
AU Stephens, B
Carter, EM
Gall, ET
Earnest, CM
Walsh, EA
Hun, DE
Jackson, MC
AF Stephens, Brent
Carter, Ellison M.
Gall, Elliott T.
Earnest, C. Matt
Walsh, Elizabeth A.
Hun, Diana E.
Jackson, Mark C.
TI Home Energy-Efficiency Retrofits
SO ENVIRONMENTAL HEALTH PERSPECTIVES
LA English
DT Letter
ID EXPOSURE; INDOOR; HAZARD
C1 [Stephens, Brent; Carter, Ellison M.; Gall, Elliott T.; Earnest, C. Matt; Walsh, Elizabeth A.] Univ Texas Austin, Natl Sci Fdn, IGERT Program Indoor Environm Sci & Engn, Austin, TX 78712 USA.
[Hun, Diana E.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Jackson, Mark C.] Lennox Int Inc, Carrollton, TX USA.
RP Stephens, B (reprint author), Univ Texas Austin, Natl Sci Fdn, IGERT Program Indoor Environm Sci & Engn, Austin, TX 78712 USA.
EM stephens.brent@mail.utexas.edu
NR 15
TC 1
Z9 1
U1 4
U2 10
PU US DEPT HEALTH HUMAN SCIENCES PUBLIC HEALTH SCIENCE
PI RES TRIANGLE PK
PA NATL INST HEALTH, NATL INST ENVIRONMENTAL HEALTH SCIENCES, PO BOX 12233,
RES TRIANGLE PK, NC 27709-2233 USA
SN 0091-6765
J9 ENVIRON HEALTH PERSP
JI Environ. Health Perspect.
PD JUL
PY 2011
VL 119
IS 7
BP A283
EP A284
DI 10.1289/ehp.10733
PG 2
WC Environmental Sciences; Public, Environmental & Occupational Health;
Toxicology
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health; Toxicology
GA 786IT
UT WOS:000292299300004
PM 21719389
ER
PT J
AU Cao, B
Ahmed, B
Kennedy, DW
Wang, ZM
Shi, L
Marshall, MJ
Fredrickson, JK
Isern, NG
Majors, PD
Beyenal, H
AF Cao, Bin
Ahmed, Bulbul
Kennedy, David W.
Wang, Zheming
Shi, Liang
Marshall, Matthew J.
Fredrickson, Jim K.
Isern, Nancy G.
Majors, Paul D.
Beyenal, Haluk
TI Contribution of Extracellular Polymeric Substances from Shewanella sp
HRCR-1 Biofilms to U(VI) Immobilization
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID ONEIDENSIS MR-1; PSEUDOMONAS-SP; URANIUM; REDUCTION; EPS;
EXOPOLYSACCHARIDE; PUTREFACIENS; CYTOCHROMES; ADSORPTION; MICROSCOPY
AB The goal of this study was to quantify the contribution of extracellular polymeric substances (EPS) to U(VI) immobilization by Shewanella sp. HRCR-1. Through comparison of U(VI) immobilization using cells with bound EPS (bEPS) and cells with minimal EPS, we show that (i) bEPS from Shewanella sp. HRCR-1 biofilms contribute significantly to U(VI) immobilization, especially at low initial U(VI) concentrations, through both sorption and reduction; (ii) bEPS can be considered a functional extension of the cells for U(VI) immobilization and they likely play more important roles at lower initial U(VI) concentrations; and (iii) the U(VI) reduction efficiency is dependent upon the initial U(VI) concentration and decreases at lower concentrations. To quantify the relative contributions of sorption and reduction to U(VI) immobilization by EPS fractions, we isolated loosely associated EPS (laEPS) and bEPS from Shewanella sp. HRCR-1 biofilms grown in a hollow fiber membrane biofilm reactor and tested their reactivity with U(VI). We found that, when reduced, the isolated cell-free EPS fractions could reduce U(VI). Polysaccharides in the EPS likely contributed to U(VI) sorption and dominated the reactivity of laEPS, while redox active components (e.g., outer membrane c-type cytochromes), especially in bEPS, possibly facilitated U(VI) reduction.
C1 [Cao, Bin; Ahmed, Bulbul; Beyenal, Haluk] Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA.
[Cao, Bin; Ahmed, Bulbul; Beyenal, Haluk] Washington State Univ, CESAR, Pullman, WA 99164 USA.
[Kennedy, David W.; Wang, Zheming; Shi, Liang; Marshall, Matthew J.; Fredrickson, Jim K.; Isern, Nancy G.; Majors, Paul D.] 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 Wang, Zheming/E-8244-2010; Ahmed, Bulbul/F-8023-2011; Cao,
Bin/H-2639-2012;
OI Wang, Zheming/0000-0002-1986-4357; Cao, Bin/0000-0002-9462-496X; Isern,
Nancy/0000-0001-9571-8864; Kennedy, David/0000-0003-0763-501X
FU U.S. DOE Office of Biological and Environmental Research
[DE-FG92-08ER64560]; DOE-BER; DOE's Office of Biological and
Environmental Research at PNNL; DOE [DE-AC05-76RL01830]
FX 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 DOE-BER SBR Program's
Scientific Focus Area (SFA) at the Pacific Northwest National Laboratory
(PNNL). NMR and LHeT laser fluorescence spectroscopy were performed in
the William R. Wiley Environmental Molecular Sciences Laboratory, a
national scientific user facility sponsored by the DOE's Office of
Biological and Environmental Research and located at PNNL. PNNL is
operated by Battelle for the DOE under Contract DE-AC05-76RL01830.
NR 39
TC 45
Z9 46
U1 9
U2 76
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD JUL 1
PY 2011
VL 45
IS 13
BP 5483
EP 5490
DI 10.1021/es200095j
PG 8
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 783IQ
UT WOS:000292075100007
PM 21627155
ER
PT J
AU Zhang, S
Du, J
Xu, C
Schwehr, KA
Ho, YF
Li, HP
Roberts, KA
Kaplan, DI
Brinkmeyer, R
Yeager, CM
Chang, HS
Santschi, PH
AF Zhang, S.
Du, J.
Xu, C.
Schwehr, K. A.
Ho, Y-F
Li, H-P
Roberts, K. A.
Kaplan, D. I.
Brinkmeyer, R.
Yeager, C. M.
Chang, Hyun-shik
Santschi, P. H.
TI Concentration-Dependent Mobility, Retardation, and Speciation of Iodine
in Surface Sediment from the Savannah River Site
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID HUMIC SUBSTANCES; MASS-SPECTROMETRY; PLANT UPTAKE; SOIL; IODATE;
REDUCTION; TRANSPORT; SORPTION; ACCUMULATION; GROUNDWATER
AB Iodine occurs in multiple oxidation states in aquatic systems in the form of organic and inorganic species. This feature leads to complex biogeochemical cycling of stable iodine and its long-lived isotope, (129)I. In this study, we investigated the sorption, transport, and interconversion of iodine species by comparing their mobility in groundwaters at ambient concentrations of iodine species (10(-8) to 10(-7) M) to those at artificially elevated concentrations (78.7 mu M), which often are used in laboratory analyses. Results demonstrate that the mobility of iodine species greatly depends on, in addition to the type of species, the iodine concentration used, presumably limited by the number of surface organic carbon binding sites to form covalent bonds. At ambient concentrations, iodide and iodate were significantly retarded (K(d) values as high as 49 mL g(-1)), whereas at concentrations of 78.7 mu M, iodide traveled along with the water without retardation. Appreciable amounts of iodide during transport were retained in soils due to iodination of organic carbon, specifically retained by aromatic carbon. At high input concentration of iodate (78.7 mu M), iodate was found to be reduced to iodide and subsequently followed the transport behavior of iodide. These experiments underscore the importance of studying iodine geochemistry at ambient concentrations and demonstrate the dynamic nature of their speciation during transport conditions.
C1 [Zhang, S.; Xu, C.; Schwehr, K. A.; Ho, Y-F; Li, H-P; Brinkmeyer, R.; Santschi, P. H.] Texas A&M Univ, Dept Marine Sci, Galveston, TX 77553 USA.
[Du, J.] E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China.
[Roberts, K. A.; Kaplan, D. I.; Yeager, C. M.] Savannah River Natl Lab, Aiken, SC USA.
[Chang, Hyun-shik] Univ Georgia, Savannah River Ecol Lab, Aiken, SC USA.
RP Zhang, S (reprint author), Texas A&M Univ, Dept Marine Sci, Galveston, TX 77553 USA.
EM saijinzhang03@hotmail.com
RI Santschi, Peter/D-5712-2012; zhang, saijin/A-4986-2013; Ho,
Yi-Fang/H-4198-2013
FU Department of Energy within the Office of Science [DE-FG02-08ER64567];
Welch Grant [BD0046]; 111 project (China) [B08022]; U.S. Department of
Energy [DE-AC09-08SR22470]
FX This work was funded by the Department of Energy's Subsurface
Biogeochemical Research Program within the Office of Science
(DE-FG02-08ER64567), while S.Z. was partially supported by Welch Grant
BD0046. J.D. was supported by the 111 project (China B08022). Work
conducted at SRNL was under U.S. Department of Energy Contract
DE-AC09-08SR22470.
NR 43
TC 28
Z9 28
U1 5
U2 46
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD JUL 1
PY 2011
VL 45
IS 13
BP 5543
EP 5549
DI 10.1021/es1040442
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 783IQ
UT WOS:000292075100015
PM 21663237
ER
PT J
AU Harvey, OR
Herbert, BE
Rhue, RD
Kuo, LJ
AF Harvey, Omar R.
Herbert, Bruce E.
Rhue, Roy D.
Kuo, Li-Jung
TI Metal Interactions at the Biochar-Water Interface: Energetics and
Structure-Sorption Relationships Elucidated by Flow Adsorption
Microcalorimetry
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID ACTIVATED CARBON; AQUEOUS-SOLUTION; BLACK CARBON; IONS; CALORIMETRY;
CHARCOAL; CADMIUM; MODEL; NITROGEN; LIGNIN
AB Plant-derived biochars exhibit large physicochemical heterogeneity due to variations in biomass chemistry and combustion conditions. However, the influence of biochar heterogeneity on biochar-metal interaction mechanisms has not been systematically described. We used flow adsorption microcalorimetry to study structure-sorption relationships between twelve plant-derived biochars and two metals (K(+) and Cd(2+)) of different Lewis acidity. Irrespective of the biochar structure, sorption of K(+) (a hard Lewis acid) occurred predominantly on deprotonated functional groups via ion exchange with molar heats of adsorption (Delta H(ads)) of -4 kJ mol(-1) to -8 kJ mol(-1). By comparison, although ion exchange could not be completely ruled out, our data pointed to Cd(2+) (a soft Lewis acid). sorption occurring predominantly via two distinct cation-pi bonding mechanisms, each with Delta H(ads) of +17 kJ mol(-1). The first, evident in low charge-low carbonized biochars, suggested Cd(2+)-pi bonding to soft ligands such as - C=O; while the second, evident in low charge-highly carbonized biochars, pointed to Cd(2+)-pi bonding with electron-rich domains on aromatic structures. Quantitative contributions of these mechanisms to Cd(2+) sorption can exceed 3 times that expected for ion exchange and therefore could have significant implications for the biogeochemical cycling of metals in fire-impacted or biochar-amended systems.
C1 [Harvey, Omar R.; Herbert, Bruce E.] Texas A&M Univ, College Stn, TX 77843 USA.
[Rhue, Roy D.] Univ Florida, Gainesville, FL 32611 USA.
[Kuo, Li-Jung] Pacific NW Natl Lab, Marine Sci Lab, Sequim, WA 99382 USA.
RP Harvey, OR (reprint author), Pacific NW Natl Lab, Earth Syst Sci Div, Richland, WA 99354 USA.
EM Omar.Harvey@pnnl.gov
RI Herbert, Bruce/K-4744-2013; Herbert, Bruce/L-2170-2015
OI Herbert, Bruce/0000-0002-6736-1148; Herbert, Bruce/0000-0002-6736-1148
NR 33
TC 67
Z9 72
U1 14
U2 126
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD JUL 1
PY 2011
VL 45
IS 13
BP 5550
EP 5556
DI 10.1021/es104401h
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 783IQ
UT WOS:000292075100016
PM 21630654
ER
PT J
AU Wyrzykowska-Ceradini, B
Gullett, BK
Tabor, D
Touati, A
AF Wyrzykowska-Ceradini, Barbara
Gullett, Brian K.
Tabor, Dennis
Touati, Abderrahmane
TI PBDDs/Fs and PCDDs/Fs in the Raw and Clean Flue Gas during Steady State
and Transient Operation of a Municipal Waste Combustor
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID BROMINATED FLAME RETARDANTS; DIBENZO-P-DIOXINS; INCINERATION; BEHAVIOR;
PCDD/F
AB Concentrations of polybrominated dibenzo-p-dioxins, and -dibenzofurans (PBDDs/Fs) and polychlorinated dibenzo-p-dioxins, and -dibenzofurans (PCDDs/Fs), were determined in the pre- and post-air pollution control system (APCS) flue gas of a municipal waste combustor (MWC). Operational transients of the combustor were found to considerably increase levels of PBDDs/Fs and PCDDs/Fs compared to steady state operation, both for the raw and clean flue gas; Sigma PBDDs/Fs increased from 72.7 to 700 pg dscm(-1) in the raw, pre-APCS gas and from 1.45 to 9.53 pg dscm(-1) in the post-APCS flue gas; Sigma PCDDs/Fs increased from 240 to 960 ng dscm(-1) in the pre-APCS flue gas, and from 1.52 to 16.0 ng dscm(-1) in the post-APCS flue gas. The homologue profile of PBDDs/Fs and PCDDs/Fs in the raw flue gas (steady state and transients) was dominated by hexa- and octa-isomers, while the clean flue gas homologue profile was enriched with tetra- and penta-isomers. The efficiency of the APCS for PBDD/F and PCDD/F removal was estimated as 98.5% and 98.7%, respectively. The cumulative TEQ(PCDD/F+PBDD/F) from the stack was dominated by PCDD/F: the TEQ of PBDD/F contributed less than 0.1% to total cumulative toxic equivalency of MWC stack emissions.
C1 [Wyrzykowska-Ceradini, Barbara; Gullett, Brian K.; Tabor, Dennis] US EPA, Off Res & Dev, Natl Risk Management Res Lab, Res Triangle Pk, NC 27711 USA.
[Touati, Abderrahmane] ARCADIS US Inc, Res Triangle Pk, NC 27711 USA.
[Wyrzykowska-Ceradini, Barbara] Oak Ridge Inst Sci & Educ Res Postdoctoral Progra, Oak Ridge, TN 37831 USA.
RP Gullett, BK (reprint author), US EPA, Off Res & Dev, Natl Risk Management Res Lab, E343-04, Res Triangle Pk, NC 27711 USA.
EM gullett.brian@epa.gov
FU U.S. EPA National Risk Management Research Laboratory
FX This research was supported in part by an appointment of the
Postdoctoral Research Program at the U.S. EPA National Risk Management
Research Laboratory, administered by the Oak Ridge Institute for Science
and Education (ORISE). The authors want to thank all participants of the
2006 MWC sampling campaign.
NR 27
TC 11
Z9 11
U1 4
U2 25
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD JUL 1
PY 2011
VL 45
IS 13
BP 5853
EP 5860
DI 10.1021/es200364u
PG 8
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 783IQ
UT WOS:000292075100057
PM 21657324
ER
PT J
AU Ament, LJP
van Veenendaal, M
van den Brink, J
AF Ament, L. J. P.
van Veenendaal, M.
van den Brink, J.
TI Determining the electron-phonon coupling strength from Resonant
Inelastic X-ray Scattering at transition metal L-edges
SO EPL
LA English
DT Article
ID SUPERCONDUCTORS; EXCITATIONS; SPECTRA
AB We show that high-resolution Resonant Inelastic X-ray Scattering (RIXS) provides direct, element-specific and momentum-resolved information on the electron-phonon (e-p) coupling strength. Our theoretical analysis indicates how the e-p coupling can be extracted from RIXS spectra by determining the differential phonon scattering cross-section. An alternative manner to extract the coupling is to use the one-and two-phonon loss ratio, which is governed by the e-p coupling strength and the core-hole lifetime. This allows the determination of the e-p coupling on an absolute energy scale. Copyright (C) EPLA, 2011
C1 [Ament, L. J. P.] Leiden Univ, Inst Lorentz Theoret Phys, NL-2300 RA Leiden, Netherlands.
[Ament, L. J. P.; van den Brink, J.] IFW Dresden, Inst Theoret Solid State Phys, D-01171 Dresden, Germany.
[van Veenendaal, M.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
[van Veenendaal, M.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Ament, LJP (reprint author), Leiden Univ, Inst Lorentz Theoret Phys, NL-2300 RA Leiden, Netherlands.
RI van den Brink, Jeroen/E-5670-2011
OI van den Brink, Jeroen/0000-0001-6594-9610
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-76SF00515, DE-AC02-06CH11357]; Dutch "Stichting voor
Fundamenteel Onderzoek der Materie" (FOM); U.S. Department of Energy
(DOE) [DE-FG02-03ER46097]; Computational Materials Science Network
(CMSN), BES, DOE [DE-FG02-08ER46540]
FX We thank L. BRAICOVICH, J. HILL, S. JOHNSTON and T. DEVEREAUX for
fruitful discussions. This work is supported by the U.S. Department of
Energy, Office of Basic Energy Sciences under contract DE-AC02-76SF00515
and by the Dutch "Stichting voor Fundamenteel Onderzoek der Materie"
(FOM). MvV was supported by the U.S. Department of Energy (DOE), No.
DE-FG02-03ER46097. Work at Argonne National Laboratory was supported by
the U.S. DOE, Office of Basic Energy Sciences (BES), under contract No.
DE-AC02-06CH11357. This research benefited from the RIXS Collaboration
supported by the Computational Materials Science Network (CMSN), BES,
DOE under grant No. DE-FG02-08ER46540.
NR 29
TC 12
Z9 12
U1 1
U2 15
PU EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
PI MULHOUSE
PA 6 RUE DES FRERES LUMIERE, MULHOUSE, 68200, FRANCE
SN 0295-5075
J9 EPL-EUROPHYS LETT
JI EPL
PD JUL
PY 2011
VL 95
IS 2
AR 27008
DI 10.1209/0295-5075/95/27008
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 787NY
UT WOS:000292384900027
ER
PT J
AU Atchison, F
Blau, B
Bodek, K
van den Brandt, B
Brys, T
Daum, M
Fierlinger, P
Geltenbort, P
Hautle, P
Henneck, R
Heule, S
Holley, A
Kasprzak, M
Kirch, K
Knecht, A
Konter, JA
Kuzniak, M
Liu, CY
Pichlmaier, A
Plonka, C
Pokotilovski, Y
Saunders, A
Tortorella, D
Wohlmuther, M
Young, AR
Zejma, J
Zsigmond, G
AF Atchison, F.
Blau, B.
Bodek, K.
van den Brandt, B.
Brys, T.
Daum, M.
Fierlinger, P.
Geltenbort, P.
Hautle, P.
Henneck, R.
Heule, S.
Holley, A.
Kasprzak, M.
Kirch, K.
Knecht, A.
Konter, J. A.
Kuzniak, M.
Liu, C-Y.
Pichlmaier, A.
Plonka, C.
Pokotilovski, Y.
Saunders, A.
Tortorella, D.
Wohlmuther, M.
Young, A. R.
Zejma, J.
Zsigmond, G.
TI Production of ultracold neutrons from cryogenic H-2(2), O-2, and
(CH4)-H-2 converters
SO EPL
LA English
DT Article
ID SOLID-DEUTERIUM SOURCE; COLD NEUTRONS; UCN
AB Ultracold neutrons (UCN) have been produced using the cold neutron (CN) beam FUNSPIN at SINQ on cryogenic oxygen (O-2), tetradeuteromethane ((CH4)-H-2), and deuterium (H-2(2)) targets. The target cell (40mm long, fiducial volume about 45 cm(3)) was operated between room temperature and 8K and UCN were produced from gaseous, liquid and solid targets. UCN rates have been measured as a convolution of UCN production and transport out of the target and to the detector. At least within the accessible temperature range of this experiment, deuterium outperforms the other materials. Copyright (C) EPLA, 2011
C1 [Atchison, F.; Blau, B.; van den Brandt, B.; Brys, T.; Daum, M.; Fierlinger, P.; Hautle, P.; Henneck, R.; Heule, S.; Kasprzak, M.; Kirch, K.; Knecht, A.; Konter, J. A.; Kuzniak, M.; Pichlmaier, A.; Wohlmuther, M.; Zsigmond, G.] Paul Scherrer Inst, CH-5232 Villigen, Switzerland.
[Bodek, K.; Kuzniak, M.; Zejma, J.] Jagiellonian Univ, Inst Phys, Krakow, Poland.
[Fierlinger, P.; Heule, S.; Knecht, A.] Univ Zurich, Inst Phys, CH-8006 Zurich, Switzerland.
[Geltenbort, P.; Plonka, C.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France.
[Holley, A.; Young, A. R.] N Carolina State Univ, Raleigh, NC 27695 USA.
[Kasprzak, M.] Austrian Acad Sci, Stefan Meyer Inst Subat Phys, A-1010 Vienna, Austria.
[Liu, C-Y.] Indiana Univ, Bloomington, IN USA.
[Pokotilovski, Y.] Joint Inst Nucl Res, Dubna, Russia.
[Saunders, A.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Tortorella, D.] Tech Univ Munich, Munich, Germany.
RP Atchison, F (reprint author), Paul Scherrer Inst, CH-5232 Villigen, Switzerland.
EM malgorzata.kasprzak@unifr.ch; klaus.kirch@psi.ch
RI Hautle, Patrick/C-1044-2012; Knecht, Andreas/C-9917-2013; Kuzniak,
Marcin/A-3053-2015
OI Hautle, Patrick/0000-0002-0502-8278; Knecht,
Andreas/0000-0002-3767-950X; Kuzniak, Marcin/0000-0001-9632-9115
FU Polish Ministry of Science and Higher Education [N N202 065436]
FX The work was performed at the Swiss Spallation Neutron Source (SINQ),
PSI, Switzerland. We acknowledge the outstanding technical support of W.
ARRIGONI, M. MEIER and P. SCHURTER. We thank E. WIDMANN, A. WOKAUN and
J. ZMESKAL for discussions. We acknowledge the support from Polish
Ministry of Science and Higher Education, grant No. N N202 065436.
NR 30
TC 4
Z9 4
U1 1
U2 7
PU EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
PI MULHOUSE
PA 6 RUE DES FRERES LUMIERE, MULHOUSE, 68200, FRANCE
SN 0295-5075
J9 EPL-EUROPHYS LETT
JI EPL
PD JUL
PY 2011
VL 95
IS 1
SI SI
AR 12001
DI 10.1209/0295-5075/95/12001
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 782EJ
UT WOS:000291990600009
ER
PT J
AU Lei, HC
Zhu, XD
Petrovic, C
AF Lei, Hechang
Zhu, Xiangde
Petrovic, C.
TI Raising T-c in charge density wave superconductor ZrTe3 by Ni
intercalation
SO EPL
LA English
DT Article
ID TRANSITION-METAL DICHALCOGENIDES; ELECTRONIC-PROPERTIES; TEMPERATURE;
GROWTH; SPIN
AB We report on the discovery of bulk superconductivity in Ni0.05ZrTe3 at T-c = 3.1K, obtained through Ni intercalation. Superconductivity coexists with charge density wave (CDW) state with T-CDW = 41K. When compared to the parent material ZrTe3, the filamentary superconducting transition is substantially increased whereas T-CDW is suppressed. The analysis of superconducting state indicates that Ni0.05ZrTe3 is an intermediately coupled superconductor. Copyright (C) EPLA, 2011
C1 [Lei, Hechang; Zhu, Xiangde; Petrovic, C.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
[Zhu, Xiangde] Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Peoples R China.
RP Lei, HC (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
EM petrovic@bnl.gov
RI Zhu, Xiangde/M-5869-2014; Petrovic, Cedomir/A-8789-2009; LEI,
Hechang/H-3278-2016
OI Petrovic, Cedomir/0000-0001-6063-1881;
NR 27
TC 9
Z9 9
U1 8
U2 49
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 JUL
PY 2011
VL 95
IS 1
SI SI
AR 17011
DI 10.1209/0295-5075/95/17011
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 782EJ
UT WOS:000291990600029
ER
PT J
AU Wang, YYV
Leblanc, M
Fox, N
Mao, JH
Tinkum, KL
Krummel, K
Engle, D
Piwnica-Worms, D
Piwnica-Worms, H
Balmain, A
Kaushansky, K
Wahl, GM
AF Wang, Yunyuan V.
Leblanc, Mathias
Fox, Norma
Mao, Jian-Hua
Tinkum, Kelsey L.
Krummel, Kurt
Engle, Dannielle
Piwnica-Worms, David
Piwnica-Worms, Helen
Balmain, Allan
Kaushansky, Kenneth
Wahl, Geoffrey M.
TI Fine-tuning p53 activity through C-terminal modification significantly
contributes to HSC homeostasis and mouse radiosensitivity
SO GENES & DEVELOPMENT
LA English
DT Article
DE p53; C-terminal modification; HSC; radiosensitivity; cell cycle;
apoptosis
ID HEMATOPOIETIC STEM-CELLS; DNA-DAMAGE; POSTTRANSLATIONAL MODIFICATIONS;
TRANSCRIPTION FACTOR; IONIZING-RADIATION; PROGENITOR CELLS; DEFICIENT
MICE; ACETYLATION; ACTIVATION; STABILITY
AB Cell cycle regulation in hematopoietic stem cells (HSCs) is tightly controlled during homeostasis and in response to extrinsic stress. p53, a well-known tumor suppressor and transducer of diverse stress signals, has been implicated in maintaining HSC quiescence and self-renewal. However, the mechanisms that control its activity in HSCs, and how p53 activity contributes to HSC cell cycle control, are poorly understood. Here, we use a genetically engineered mouse to show that p53 C-terminal modification is critical for controlling HSC abundance during homeostasis and HSC and progenitor proliferation after irradiation. Preventing p53 C-terminal modification renders mice exquisitely radiosensitive due to defects in HSC/ progenitor proliferation, a critical determinant for restoring hematopoiesis after irradiation. We show that fine-tuning the expression levels of the cyclin-dependent kinase inhibitor p21, a p53 target gene, contributes significantly to p53-mediated effects on the hematopoietic system. These results have implications for understanding cell competition in response to stresses involved in stem cell transplantation, recovery from adverse hematologic effects of DNA-damaging cancer therapies, and development of radioprotection strategies.
C1 [Wang, Yunyuan V.; Leblanc, Mathias; Krummel, Kurt; Engle, Dannielle; Wahl, Geoffrey M.] Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA.
[Fox, Norma; Kaushansky, Kenneth] Univ Calif San Diego, Dept Med, La Jolla, CA 92093 USA.
[Mao, Jian-Hua; Balmain, Allan] Univ Calif San Francisco, Helen Diller Family Comprehens Canc Ctr, San Francisco, CA 94158 USA.
[Mao, Jian-Hua] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Tinkum, Kelsey L.; Piwnica-Worms, Helen] Washington Univ, Sch Med, Dept Cell Biol & Physiol, St Louis, MO 63110 USA.
[Tinkum, Kelsey L.; Piwnica-Worms, David] Washington Univ, Sch Med, Mallinckrodt Inst Radiol, St Louis, MO 63110 USA.
[Tinkum, Kelsey L.; Piwnica-Worms, David; Piwnica-Worms, Helen] Washington Univ, Sch Med, BRIGHT Inst, St Louis, MO 63110 USA.
[Piwnica-Worms, David] Washington Univ, Sch Med, Dept Dev Biol, St Louis, MO 63110 USA.
[Piwnica-Worms, Helen] Washington Univ, Sch Med, Dept Med, St Louis, MO 63110 USA.
[Piwnica-Worms, Helen] Howard Hughes Med Inst, St Louis, MO 63130 USA.
RP Wahl, GM (reprint author), Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA.
EM wahl@salk.edu
RI Piwnica-Worms, Helen/C-5214-2012
FU NCI [CA100845, CA61449, CA094056, U01 CA84244]; Cancer Center Core Grant
for Core Facility support [5 P30 CA014195]; DOE
FX We thank Daphne Chen and Daniel Kim for mouse colony assistance and BM
extraction, Dr. Grant Barish for the help with BM transplantation, and
Rose Rodewald for technical assistance. We thank Dr. Alain Mir from
Fluidigm Corporation for designing primers and his assistance in
microfluidic chip analysis. This work was supported by grants from NCI
(grants CA100845 and CA61449 to G.M.W., and CA094056 to D.P.W.) and the
Cancer Center Core Grant for Core Facility support (grant 5 P30
CA014195). A.B. and J.-H.M. acknowledge support from the NCI (U01
CA84244) and the DOE Low Dose Program.
NR 51
TC 28
Z9 28
U1 1
U2 4
PU COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
PI COLD SPRING HARBOR
PA 1 BUNGTOWN RD, COLD SPRING HARBOR, NY 11724 USA
SN 0890-9369
J9 GENE DEV
JI Genes Dev.
PD JUL 1
PY 2011
VL 25
IS 13
BP 1426
EP 1438
DI 10.1101/gad.2024411
PG 13
WC Cell Biology; Developmental Biology; Genetics & Heredity
SC Cell Biology; Developmental Biology; Genetics & Heredity
GA 786IE
UT WOS:000292297200008
PM 21724834
ER
PT J
AU Vermeul, VR
McKinley, JP
Newcomer, DR
Mackley, RD
Zachara, JM
AF Vermeul, Vince R.
McKinley, James P.
Newcomer, Darrell R.
Mackley, Robert D.
Zachara, J. M.
TI River-Induced Flow Dynamics in Long-Screen Wells and Impact on Aqueous
Samples
SO GROUND WATER
LA English
DT Article
ID BOREHOLE FLOWMETER; BIAS; SHALLOW
AB Previously published field investigations and modeling studies have demonstrated the potential for sample bias associated with vertical wellbore flow in conventional monitoring wells constructed with long-screened intervals. This article builds on the existing body of literature by (1) demonstrating the utility of continuous (i.e., hourly measurements for similar to 1 month) ambient wellbore flow monitoring and (2) presenting results from a field experiment where relatively large wellbore flows (up to 4 L/min) were induced by aquifer hydrodynamics associated with a fluctuating river boundary located approximately 250 m from the test well. The observed vertical wellbore flows were strongly correlated with fluctuations in river stage, alternating between upward and downward flow throughout the monitoring period in response to changes in river stage. Continuous monitoring of ambient wellbore flows using an electromagnetic borehole flowmeter allowed these effects to be evaluated in concert with continuously monitored river-stage elevations (hourly) and aqueous uranium concentrations (daily) in a long-screen well and an adjacent multilevel well cluster. This study demonstrates that when contaminant concentrations within the aquifer vary significantly over the depth interval interrogated, river-induced vertical wellbore flow can result in variations in measured concentration that nearly encompass the full range of variation in aquifer contaminant concentration with depth.
C1 [Vermeul, Vince R.; McKinley, James P.; Newcomer, Darrell R.; Mackley, Robert D.; Zachara, J. M.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Vermeul, VR (reprint author), Pacific NW Natl Lab, POB 999,MS K6-96, Richland, WA 99352 USA.
EM vince.vermeul@pnl.gov
FU U.S. Department of Energy, Office of Science, Climate and Environmental
Sciences Division
FX Funding for this study was provided by the U.S. Department of Energy,
Office of Science, Climate and Environmental Sciences Division. The
authors would like to acknowledge Brad Fritz, Don Girvin, and Tom Resch
for their support conducting the field experiment and Wayne Cosby,
Robert Edrington, and Ron Smith for their efforts associated with the
preparation of this manuscript. The authors would also like to
acknowledge Daniel Kurtzman and David Hart for their constructive peer
review comments.
NR 23
TC 12
Z9 12
U1 2
U2 13
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0017-467X
J9 GROUND WATER
JI Ground Water
PD JUL-AUG
PY 2011
VL 49
IS 4
BP 515
EP 524
DI 10.1111/j.1745-6584.2010.00769.x
PG 10
WC Geosciences, Multidisciplinary; Water Resources
SC Geology; Water Resources
GA 783SN
UT WOS:000292104400008
PM 21087248
ER
PT J
AU Morse, WM
AF Morse, William M.
TI EDM of the muon, deuteron, and proton in storage rings
SO HYPERFINE INTERACTIONS
LA English
DT Proceedings Paper
CT 5th International Conference on Trapped Charged Particles and
Fundamental Physics (TCP)
CY APR 12-16, 2010
CL Saariselka, FINLAND
DE Magnetic monopole; EDM; Parity; Time reversal; Muon; Deuteron; Proton
AB I discuss the progression of ideas over the last decade that has led to extremely sensitive dedicated electric dipolemoment (edm) storage ring designs. These ideas grew out of our experience in BNL E821: a precision measurement of the anomalous magnetic moment of the muon (Bennett et al. Phys Rev D73:072003, 2006).
C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Morse, WM (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM morse@bnl.gov
NR 8
TC 1
Z9 1
U1 0
U2 1
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0304-3843
J9 HYPERFINE INTERACT
JI Hyperfine Interact.
PD JUL
PY 2011
VL 199
IS 1-3
BP 93
EP 101
DI 10.1007/s10751-011-0304-x
PG 9
WC Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter;
Physics, Nuclear
SC Physics
GA 069FI
UT WOS:000313420300010
ER
PT J
AU Savard, G
Pardo, RC
Baker, S
Davids, CN
Levand, A
Peterson, D
Phillips, DG
Sun, T
Vondrasek, R
Zabransky, BJ
Zinkann, GP
AF Savard, G.
Pardo, R. C.
Baker, S.
Davids, C. N.
Levand, A.
Peterson, D.
Phillips, D. G.
Sun, T.
Vondrasek, R.
Zabransky, B. J.
Zinkann, G. P.
TI CARIBU: a new facility for the study of neutron-rich isotopes
SO HYPERFINE INTERACTIONS
LA English
DT Proceedings Paper
CT 5th International Conference on Trapped Charged Particles and
Fundamental Physics (TCP)
CY APR 12-16, 2010
CL Saariselka, FINLAND
DE Gas catcher; Neutron-rich isotopes; Californium fission
AB The Californium Rare Ion Breeder Upgrade (CARIBU) to the ATLAS superconducting linac facility is currently being commissioned. It provides low-energy and re-accelerated beams of neutron-rich isotopes obtained from Cf-252 fission. The fission products from a Cf-252 source are stopped in a large high-intensity gas catcher, thermalized and extracted through an RFQ cooler, accelerated to 50 kV and mass separated in a high-resolution separator before being sent to either an ECR charge breeder for post-acceleration through the ATLAS linac or to a low-energy experimental area. This approach gives access to beams of very neutron-rich isotopes, many of which have not been available at low or Coulomb barrier energies previously. These beams provide unique opportunities for measurements along the r-process path. To take advantage of these unique possibility, the reaccelerated beams from CARIBU will be made available at the experimental stations of ATLAS to serve equipment such as Gammasphere, HELIOS and the reaction spectrometers. In addition, the Canadian Penning Trap (CPT) mass spectrometer has been moved to the CARIBU low-energy experimental area and a new injection line has been built. The new injection line consists of a RFQ buncher sitting on a 50 kV high-voltage platform that will accumulate the mass separated 50 kV radioactive beams, cool and extract them as a pulsed beam of 3 keV. This beam can be sent either to a tape station for diagnostics and tuning, or a cryogenic linear trap for preparation before transfer to the high-precision Penning trap where the mass measurements will take place. Initial CARIBU commissioning is proceeding with a 2 mCi source that will be replaced by a 100 mCi source as the commissioning proceeds. Final operation will use a 1 Ci source and attain yield in excess of 10(7) ions/sec for the most intense beams at low energy, an order of magnitude less for reaccelerated beams.
C1 [Savard, G.; Pardo, R. C.; Baker, S.; Davids, C. N.; Levand, A.; Peterson, D.; Phillips, D. G.; Sun, T.; Vondrasek, R.; Zabransky, B. J.; Zinkann, G. P.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Savard, G.] Univ Chicago, Chicago, IL 60637 USA.
RP Savard, G (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM savard@anl.gov
NR 7
TC 17
Z9 17
U1 2
U2 9
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0304-3843
J9 HYPERFINE INTERACT
JI Hyperfine Interact.
PD JUL
PY 2011
VL 199
IS 1-3
BP 301
EP 309
DI 10.1007/s10751-011-0325-5
PG 9
WC Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter;
Physics, Nuclear
SC Physics
GA 069FI
UT WOS:000313420300031
ER
PT J
AU Liao, S
Gopalsami, N
Heifetz, A
Elmer, T
Fiflis, P
Koehl, ER
Chien, HT
Raptis, AC
AF Liao, S.
Gopalsami, N.
Heifetz, A.
Elmer, T.
Fiflis, P.
Koehl, E. R.
Chien, H. T.
Raptis, A. C.
TI Microwave Remote Sensing of Ionized Air
SO IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
LA English
DT Article
DE Electromagnetic reflection; electromagnetic scattering; radar cross
section (RCS); radar scattering
ID RADAR; CALIBRATION
AB We present observations of microwave scattering from ambient room air ionized with a negative ion generator. The frequency dependence of the radar cross section of ionized air was measured from 26.5 to 40 GHz (Ka-band) in a bistatic mode with an Agilent PNA-X series (model N5245A) vector network analyzer. A detailed calibration scheme is provided to minimize the effect of the stray background field and system frequency response on the target reflection. The feasibility of detecting the microwave reflection from ionized air portends many potential applications such as remote sensing of atmospheric ionization and remote detection of radioactive ionization of air.
C1 [Liao, S.; Gopalsami, N.; Heifetz, A.; Elmer, T.; Fiflis, P.; Koehl, E. R.; Chien, H. T.; Raptis, A. C.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Liao, S (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM sliao@anl.gov
OI Elmer, Thomas/0000-0003-0363-5928
FU Office of Nonproliferation and Verification Research and Development
under the National Nuclear Security Administration
FX Manuscript received July 1, 2010; accepted November 23, 2010. Date of
publication January 19, 2011; date of current version June 24, 2011.
This work was supported by the Office of Nonproliferation and
Verification Research and Development under the National Nuclear
Security Administration.
NR 14
TC 0
Z9 0
U1 0
U2 10
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1545-598X
EI 1558-0571
J9 IEEE GEOSCI REMOTE S
JI IEEE Geosci. Remote Sens. Lett.
PD JUL
PY 2011
VL 8
IS 4
BP 617
EP 620
DI 10.1109/LGRS.2010.2098016
PG 4
WC Geochemistry & Geophysics; Engineering, Electrical & Electronic; Remote
Sensing; Imaging Science & Photographic Technology
SC Geochemistry & Geophysics; Engineering; Remote Sensing; Imaging Science
& Photographic Technology
GA 783SW
UT WOS:000292105300007
ER
PT J
AU Cruz-Campa, JL
Nielson, GN
Resnick, PJ
Sanchez, CA
Clews, PJ
Okandan, M
Friedmann, T
Gupta, VP
AF Cruz-Campa, Jose L.
Nielson, Gregory N.
Resnick, Paul J.
Sanchez, Carlos A.
Clews, Peggy J.
Okandan, Murat
Friedmann, Tom
Gupta, Vipin P.
TI Ultrathin Flexible Crystalline Silicon: Microsystems-Enabled
Photovoltaics
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE Crystalline silicon; microsystems-enabled photovoltaics; photovoltaic
modules
AB We present an approach to create ultrathin (<20 mu m) and highly flexible crystalline silicon sheets on inexpensive substrates. We have demonstrated silicon sheets capable of bending at a radius of curvature as small as 2mm without damaging the silicon structure. Using microsystem tools, we created a suspended submillimeter honeycomb-segmented silicon structure anchored to the wafer only by small tethers. This structure is created in a standard thickness wafer enabling compatibility with common processing tools. The procedure enables all the high-temperature steps necessary to create a solar cell to be completed while the cells are on the wafer. In the transfer process, the cells attach to an adhesive flexible substrate which, when pulled away from the wafer, breaks the tethers and releases the honeycomb structure. We have previously demonstrated that submillimeter and ultrathin silicon segments can be converted into highly efficient solar cells, achieving efficiencies up to 14.9% at a thickness of 14 mu m. With this technology, achieving high efficiency (>15%) and highly flexible photovoltaic (PV) modules should be possible.
C1 [Cruz-Campa, Jose L.; Nielson, Gregory N.; Resnick, Paul J.; Sanchez, Carlos A.; Clews, Peggy J.; Okandan, Murat; Friedmann, Tom; Gupta, Vipin P.] Sandia Natl Labs, Albuquerque, NM 87123 USA.
RP Cruz-Campa, JL (reprint author), Sandia Natl Labs, Albuquerque, NM 87123 USA.
EM jlcruzc@sandia.gov; gnniels@sandia.gov; resnicpj@sandia.gov;
carsanc@sandia.gov; pjclews@sandia.gov; mokanda@sandia.gov;
tafried@sandia.gov; vpgupta@sandia.gov
FU Department of Energy Solar Energy Technology Program Seed Fund; United
States Department of Energy's NNSA [DE-AC04-94AL85000]
FX Manuscript received June 8, 2011; revised July 15, 2011; accepted July
18, 2011. Date of publication August 22, 2011; date of current version
October 27, 2011. This work was supported by the Department of Energy
Solar Energy Technology Program Seed Fund and by Sandia, a multiprogram
laboratory operated by Sandia Corporation, a Lockheed Martin Company,
for the United States Department of Energy's NNSA under Contract
DE-AC04-94AL85000.
NR 12
TC 8
Z9 8
U1 0
U2 12
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD JUL
PY 2011
VL 1
IS 1
BP 3
EP 8
DI 10.1109/JPHOTOV.2011.2162973
PG 6
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA V28RI
UT WOS:000208697500002
ER
PT J
AU Grover, S
Moddel, G
AF Grover, Sachit
Moddel, Garret
TI Applicability of Metal/Insulator/Metal (MIM) Diodes to Solar Rectennas
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE Metal/insulator/metal (MIM) diode; optical rectenna; photon-assisted
tunneling; photovoltaics; rectenna; solar cell
AB The current-voltage (I-V) characteristics of metal/insulator/metal (MIM) diodes illuminated at optical frequencies are modeled using a semiclassical approach that accounts for the photon energy of the radiation. Instead of classical small-signal rectification, in which a continuous span of the dc I-V curve is sampled during rectification, at optical frequencies, the radiation samples the dc I-V curve at discrete voltage steps separated by the photon energy (divided by the electronic charge). As a result, the diode resistance and responsivity differ from their classical values. At optical frequencies, a diode with even a moderate forward-to-reverse current asymmetry exhibits high quantum efficiency. An analysis is carried out to determine the requirements imposed by the operating frequency on the circuit parameters of antenna-coupled diode rectifiers, which are also called rectennas. Diodes with low resistance and capacitance are required for the RC time constant of the rectenna to be smaller than the reciprocal of the operating frequency and to couple energy efficiently from the antenna. Existing MIM diodes do not meet the requirements to operate efficiently at visible-to-near-infrared wavelengths.
C1 [Grover, Sachit; Moddel, Garret] Univ Colorado, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA.
RP Grover, S (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM sachitgrover@ieee.org; moddel@colorado.edu
RI Grover, Sachit/M-1881-2013
NR 41
TC 58
Z9 59
U1 3
U2 36
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD JUL
PY 2011
VL 1
IS 1
BP 78
EP 83
DI 10.1109/JPHOTOV.2011.2160489
PG 6
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA V28RI
UT WOS:000208697500014
ER
PT J
AU Kanevce, A
Gessert, TA
AF Kanevce, Ana
Gessert, Timothy A.
TI Optimizing CdTe Solar Cell Performance: Impact of Variations in
Minority-Carrier Lifetime and Carrier Density Profile
SO IEEE JOURNAL OF PHOTOVOLTAICS
LA English
DT Article
DE Carrier lifetime; photovoltaic cells; semiconductor device modeling;
thin films
AB Using numerical simulations, we study the combined effects of nonuniform minority-carrier lifetime tau and carrier density N-A on device performance. In a uniformly doped device, maximum open-circuit voltage V-oc is obtained for high tau and high N-A. The fill-factor (FF) is mainly dependent on the lifetime. When the lifetime is low, and N-A is high, the FF suffers losses due to voltage-dependant carrier collection. For a low carrier density and low lifetime, the electric field strength is low, recombination is a competitive process to drift, and the FF is reduced. Simulations predict that it might be possible to increase the device efficiency with lower carrier density, if the back of the absorber is highly doped. This configuration increases the built-in potential and the electric field close to the junction region, while keeping the space-charge region wide. In addition, a device with such a profile is very tolerant toward lifetime variations of the highly doped layer. With our simulation parameters, when the absorber properties are uniform, efficiencies > 18% require experimentally unrealistic doping and lifetime values. If the back of the absorber is doped significantly higher than the rest, such efficiencies can be achieved with realistic values of doping and lifetime.
C1 [Kanevce, Ana; Gessert, Timothy A.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Kanevce, A (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM Ana.Kanevce@nrel.gov; Tim.Gessert.@nrel.gov
FU U.S. Department of Energy [DE-AC36-08-GO28308]; National Renewable
Energy Laboratory (NREL) [ZEJ-7-77039-01]
FX Manuscript received June 28, 2011; revised July 27, 2011; accepted
August 1, 2011. Date of publication September 1, 2011; date of current
version October 27, 2011. This work was supported by the U.S. Department
of Energy under Contract DE-AC36-08-GO28308 with the National Renewable
Energy Laboratory (NREL) and the NREL subcontract ZEJ-7-77039-01 to
Colorado State University.
NR 8
TC 14
Z9 14
U1 1
U2 18
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 2156-3381
J9 IEEE J PHOTOVOLT
JI IEEE J. Photovolt.
PD JUL
PY 2011
VL 1
IS 1
BP 99
EP 103
DI 10.1109/JPHOTOV.2011.2164952
PG 5
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA V28RI
UT WOS:000208697500017
ER
PT J
AU Xie, J
Wang, GJ
Yow, L
Cela, CJ
Humayun, MS
Weiland, JD
Lazzi, G
Jadvar, H
AF Xie, John
Wang, Gene-Jack
Yow, Lindy
Cela, Carlos J.
Humayun, Mark S.
Weiland, James D.
Lazzi, Gianluca
Jadvar, Hossein
TI Modeling and Percept of Transcorneal Electrical Stimulation in Humans
SO IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING
LA English
DT Article
DE Admittance modeling; DTL-Plus; ERG-Jet; phosphene; positron emission
tomography (PET); transcorneal electrical stimulation (TcES)
ID RETINITIS-PIGMENTOSA; EVOKED RESPONSE; VISUAL-SYSTEM; RETINAL FUNCTION;
ATTENTION; CORTEX; COLOR; EYE; EER
AB Retinal activation via transcorneal electrical stimulation (TcES) in normal humans was investigated by comparing subject perception, model predictions, and brain activation patterns. The preferential location of retinal stimulation was predicted from 3-D admittance modeling. Visual cortex activation was measured using positron emission tomography (PET) and F-18-fluorodeoxyglucose (FDG). Two different corneal electrodes were investigated: DTL-Plus and ERG-Jet. Modeling results predicted preferential stimulation of the peripheral, inferior, nasal retina during right eye TcES using DTL-Plus, but more extensive activation of peripheral, nasal hemiretina using ERG-Jet. The results from human FDG PET study using both corneal electrodes showed areas of visual cortex activation that consistently corresponded with the reported phosphene percept and modeling predictions. ERG-Jet was able to generate brighter phosphene percept than DTL-Plus and elicited retinotopically mapped primary visual cortex activation. This study demonstrates that admittance modeling and PET imaging consistently predict the perceived location of electrically elicited phosphenes produced during TcES.
C1 [Xie, John] Univ So Calif, Keck Sch Med, Los Angeles, CA 90033 USA.
[Yow, Lindy; Humayun, Mark S.; Weiland, James D.] Univ So Calif, Doheny Eye Inst, Los Angeles, CA 90033 USA.
[Wang, Gene-Jack] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
[Cela, Carlos J.] N Carolina State Univ, Raleigh, NC 27607 USA.
[Lazzi, Gianluca] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA.
RP Xie, J (reprint author), Univ So Calif, Keck Sch Med, Los Angeles, CA 90033 USA.
EM jianxie@usc.edu; gjwang@bnl.gov; LYow@doheny.org; cjcela@gmail.com;
humayun@usc.edu; jweiland@doheny.org; lazzi@ncsu.edu; jadvar@usc.edu
FU US Department of Energy [DE-FC02-04ER63735]; National Science Foundation
[CBET-0917458]
FX This work was supported in part by the US Department of Energy under
Grant DE-FC02-04ER63735, and in part by the National Science Foundation
under Grant CBET-0917458.
NR 26
TC 8
Z9 8
U1 1
U2 5
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9294
J9 IEEE T BIO-MED ENG
JI IEEE Trans. Biomed. Eng.
PD JUL
PY 2011
VL 58
IS 7
BP 1932
EP 1939
DI 10.1109/TBME.2010.2087378
PG 8
WC Engineering, Biomedical
SC Engineering
GA 780WL
UT WOS:000291890000007
PM 20952323
ER
PT J
AU Wang, JJA
Chan, JK
Graziano, JA
AF Wang, John Jy-An
Chan, John K.
Graziano, Joseph A.
TI The Lifetime Estimate for ACSR Single-Stage Splice Connector Operating
at Higher Temperatures
SO IEEE TRANSACTIONS ON POWER DELIVERY
LA English
DT Article
DE Aluminum conductor steel reinforced (ACSR); compressive residual stress;
high-temperature low sag conductors; single-stage splice connector;
tensile splice connector; thermal cycling; transmission lines
AB The power transmission conductor system consists of: the aluminum conductor, the steel-core supporting material, and the splice connector. The splice connector connects the aluminum conductor to form a continuing current transmission line. The splice connector region of a conductor system is more sensitive to material aging during service. This is due to the material discontinuity and the crimped connector's forming mechanism. The objective of this project is to develop a protocol to evaluate the integrity of a full tension single-stage splice connector (SSC) assembly operated at high temperature. The project focuses on thermal mechanical testing, thermal cycling simulation and the effective lifetime of the SSC system. The investigation indicates that thermal cycling temperature and frequency, conductor cable tension loading, and the compressive residual stress field within a SSC system have significant impact on SSC integrity and its associated effective lifetime. The developed governing equation and its application to assure the adequate service life of transmission lines are also discussed in the paper.
C1 [Wang, John Jy-An] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Chan, John K.] EPRI, Palo Alto, CA 94304 USA.
[Graziano, Joseph A.] Tennessee Valley Author, Chattanooga, TN 37402 USA.
RP Wang, JJA (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM wangja@ornl.gov; jchan@epri.com; jagraziano@tva.gov
OI Wang, Jy-An/0000-0003-2402-3832
FU EPRI HTLS Program; DOE Office of Electricity Delivery and Energy
Reliability
FX This work was supported in part by EPRI HTLS Program and in par by the
DOE Office of Electricity Delivery and Energy Reliability. Paper no.
TPWRD-00607-2008.
NR 9
TC 7
Z9 7
U1 0
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8977
J9 IEEE T POWER DELIVER
JI IEEE Trans. Power Deliv.
PD JUL
PY 2011
VL 26
IS 3
BP 1317
EP 1325
DI 10.1109/TPWRD.2011.2107921
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA 784OY
UT WOS:000292167800002
ER
PT J
AU Yeager, CM
Milliken, CE
Bagwell, CE
Staples, L
Berseth, PA
Sessions, HT
AF Yeager, Chris M.
Milliken, Charles E.
Bagwell, Christopher E.
Staples, Lauren
Berseth, Polly A.
Sessions, Henry T.
TI Evaluation of experimental conditions that influence hydrogen production
among heterocystous Cyanobacteria
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Hydrogen; Cyanobacteria; Nitrogenase; Bioenergy; Heterocystous
ID ENHANCED BIOHYDROGEN PRODUCTION; ANABAENA-VARIABILIS; NITROGEN-FIXATION;
H-2 PRODUCTION; FIXING CYANOBACTERIUM; ACTIVE-SITE; STRAIN; EVOLUTION;
CULTURES; CYLINDRICA
AB The overall goal of this research was to systematically evaluate H(2) production among different heterocystous cyanobacteria in response to defined experimental variables including N(2) and O(2) concentration, carbon source, and light intensity. N(2) elicited an immediate reduction of H(2) production rates and the magnitude of the effect was strikingly similar across the diverse collection of heterocystous cyanobacteria that were tested. At the N(2):O(2) ratio found in air (4:1), N(2) was a much more potent inhibitor of H(2) production than O(2). Low levels of O(2) (1-5% headspace, vol:vol) were generally found to support optimal H(2) production. Glucose addition (10 mM) stimulated light-dependent H(2) production in 8 of 10 cyanobacteria examined, eliciting a 2-11 fold increase in production rates and 2-45 fold increase in yields. The addition of glucose also effectively lowered the intensity of light required for optimal H2 production in 4 of 10 strains tested. H(2) production rates ranged from 1 to 50 mu mol mg chi a(-1) h(-1). The results from this study provide important benchmark phenotypes against which to evaluate newly discovered H(2)-producing heterocystous cyanobacteria, and we discuss how these findings highlight the necessity of a multi-parameter approach to comprehensively screen for superior H(2)-producing heterocystous cyanobacteria. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Yeager, Chris M.; Milliken, Charles E.; Bagwell, Christopher E.; Staples, Lauren] Savannah River Natl Lab, Environm Biotechnol Sect, Aiken, SC 29808 USA.
[Sessions, Henry T.] Savannah River Natl Lab, Hydrogen Proc Grp, Aiken, SC 29808 USA.
RP Yeager, CM (reprint author), Savannah River Natl Lab, Environm Biotechnol Sect, 999-W, Aiken, SC 29808 USA.
EM Chris.yeager@srnl.doe.gov; Charles.Milliken@srnl.doe.gov;
christopher.bagwell@srnl.doe.gov; staple5@clemson.edu;
Polly.Berseth@wwu.edu; henry.sessions@srnl.doe.gov
FU U.S. Department of Energy, Office of Environmental Management
[LD06ES054]
FX We thank Tanya Soule for carefully reviewing the manuscript. This
project was supported by the U.S. Department of Energy, Office of
Environmental Management as administered by the SRNL Laboratory Directed
Research and Development Program (LD06ES054).
NR 58
TC 13
Z9 13
U1 0
U2 13
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 JUL
PY 2011
VL 36
IS 13
BP 7487
EP 7499
DI 10.1016/j.ijhydene.2011.03.078
PG 13
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 783ZR
UT WOS:000292123900014
ER
PT J
AU Palumbo, O
Paolone, A
Rispoli, P
Cantelli, R
Autrey, T
Karkamkar, A
Navarra, MA
AF Palumbo, Oriele
Paolone, Annalisa
Rispoli, Pasquale
Cantelli, Rosario
Autrey, Tom
Karkamkar, Abhijeet
Navarra, Maria Assunta
TI Hydrogen isotope effects on the structural phase transition of NH3BH3
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Hydrogen storage; Complex hydrides; Phase transition
ID AMMONIA-BORANE; THERMAL-DECOMPOSITION; ANELASTIC SPECTROSCOPY;
CHEMICAL-REACTIONS; STORAGE MATERIAL; DYNAMICS; BH3NH3; NMR
AB A systematic study of the structural phase transition of NH3BH3 and of its fully deuterated analogue was performed combining DSC and anelastic spectroscopy measurements. The transition is accompanied by a latent heat, and therefore is of the 1st order. On the deuterated sample the enthalpy variation is reduced of more than 20%, from 1.29 to 1.01 kJ/mol and the transition is shifted by similar to 1.5 K toward higher temperatures. Both NH3BH3 and ND3BD3 display a temperature hysteresis between cooling and heating, thus denoting that the phase transition is of first-order. In addition, this hysteresis is extremely small (similar to 0.5 K) indicating that the coexistence region between the two phases is very narrow. During isothermal ageing, the transformation of the low-temperature orthorhombic phase into the high-temperature tetragonal one occurs with a time constant of similar to 16 min in NH3BH3 and similar to 64 min in ND3BD3, evidencing a drastic slowing down of kinetics in the deuterated compound. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
C1 [Palumbo, Oriele; Paolone, Annalisa; Rispoli, Pasquale; Cantelli, Rosario] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy.
[Palumbo, Oriele; Paolone, Annalisa] CNR SC, Ist Sistemi Complessi, I-00185 Rome, Italy.
[Autrey, Tom; Karkamkar, Abhijeet] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Navarra, Maria Assunta] Univ Roma La Sapienza, Dipartimento Chim, I-00185 Rome, Italy.
RP Palumbo, O (reprint author), Univ Roma La Sapienza, Dipartimento Fis, Piazzale A Moro 2, I-00185 Rome, Italy.
EM oriele.palumbo@roma1.infn.it
RI Palumbo, Oriele/B-7694-2015; Paolone, Annalisa/B-7701-2015;
OI Paolone, Annalisa/0000-0002-4839-7815; Palumbo,
Oriele/0000-0003-4968-1049
FU Italian "Ministero dell'Ambiente"; U.S. Department of Energy (DOE)
Office of Basic Energy Sciences, Chemical Sciences Division
FX The present study was supported by the Italian "Ministero
dell'Ambiente". TA and AK wish to acknowledge support from the U.S.
Department of Energy (DOE) Office of Basic Energy Sciences, Chemical
Sciences Division. PNNL is operated by Battelle for the US DOE.
NR 25
TC 2
Z9 2
U1 0
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD JUL
PY 2011
VL 36
IS 13
BP 7927
EP 7931
DI 10.1016/j.ijhydene.2010.12.076
PG 5
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 783ZR
UT WOS:000292123900071
ER
PT J
AU Groesser, T
Chang, H
Fontenay, G
Chen, J
Costes, SV
Barcellos-Hoff, MH
Parvin, B
Rydberg, B
AF Groesser, Torsten
Chang, Hang
Fontenay, Gerald
Chen, James
Costes, Sylvain V.
Barcellos-Hoff, Mary Helen
Parvin, Bahram
Rydberg, Bjorn
TI Persistence of gamma-H2AX and 53BP1 foci in proliferating and
non-proliferating human mammary epithelial cells after exposure to
gamma-rays or iron ions
SO INTERNATIONAL JOURNAL OF RADIATION BIOLOGY
LA English
DT Article
DE Foci; MCF10A; HZE; iron; 3D; HMEC
ID DOUBLE-STRAND BREAKS; DENSELY IONIZING-RADIATION;
LINEAR-ENERGY-TRANSFER; HOMOLOGOUS RECOMBINATION; SPACE EXPLORATION;
HUMAN FIBROBLASTS; GENE-EXPRESSION; CULTURE MODELS; DNA FRAGMENTS;
HIGH-LET
AB Purpose: To investigate gamma-H2AX (phosphorylated histone H2AX) and 53BP1 (tumour protein 53 binding protein No. 1) foci formation and removal in proliferating and non-proliferating human mammary epithelial cells (HMEC) after exposure to sparsely and densely ionising radiation under different cell culture conditions.
Material and methods: HMEC cells were grown either as monolayers (2D) or in extracellular matrix to allow the formation of acinar structures in vitro (3D). Foci numbers were quantified by image analysis at various time points after exposure.
Results: Our results reveal that in non-proliferating cells under 2D and 3D cell culture conditions, iron-ion induced gamma-H2AX foci were still present at 72 h after exposure, although 53BP1 foci returned to control levels at 48 h. In contrast in proliferating HMEC, both gamma-H2AX and 53BP1 foci decreased to control levels during the 24-48 h time interval after irradiation under 2D conditions. Foci numbers decreased faster after gamma-ray irradiation and returned to control levels by 12 h regardless of marker, cell proliferation status, and cell culture condition.
Conclusions: The disappearance of radiation-induced gamma-H2AX and 53BP1 foci in HMEC has different dynamics that depend on radiation quality and proliferation status. Notably, the general patterns do not depend on the cell culture condition (2D versus 3D). We speculate that the persistent gamma-H2AX foci in iron-ion irradiated non-proliferating cells could be due to limited availability of double-strand break (DSB) repair pathways in G0/G1-phase, or that repair of complex DSB requires replication or chromatin remodelling.
C1 [Groesser, Torsten; Chang, Hang; Fontenay, Gerald; Chen, James; Costes, Sylvain V.; Barcellos-Hoff, Mary Helen; Parvin, Bahram; Rydberg, Bjorn] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Dept Canc & DNA Damage Responses, Berkeley, CA 94720 USA.
[Barcellos-Hoff, Mary Helen] NYU Langone Med Ctr, Dept Radiat Oncol, New York, NY USA.
[Barcellos-Hoff, Mary Helen] NYU Langone Med Ctr, Dept Cell Biol, New York, NY USA.
RP Groesser, T (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Dept Canc & DNA Damage Responses, Bldg 977-0269,1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM tgroesser@lbl.gov
RI Costes, Sylvain/D-2522-2013
OI Costes, Sylvain/0000-0002-8542-2389
FU NASA [T6275W]; Office of Biological and Environmental Research of the
U.S. Department of Energy [DE-AC02-05CH11231]
FX We thank Dr Marcelo Vazquez, Dr Peter Guida, Dr Betsy Sutherland, and Dr
Adam Rusek and their groups for support during the NSRL runs at
Brookhaven National Laboratory, Dr Janice Pluth (LBNL) for her help with
flow cytometry analysis, Dr Martha Stampfer and Dr James Garbe for
providing the 184v HMEC cells and for their cell culture support, and
Christopher Pham for his help with fitting the curves. The research was
support by NASA Grant no. T6275W (awarded to Dr. Mary-Helen
Barcellos-Hoff, NSCOR), and in part by the Low Dose Radiation Program,
Office of Biological and Environmental Research of the U.S. Department
of Energy under Contract No. DE-AC02-05CH11231.
NR 52
TC 18
Z9 19
U1 0
U2 11
PU INFORMA HEALTHCARE
PI LONDON
PA TELEPHONE HOUSE, 69-77 PAUL STREET, LONDON EC2A 4LQ, ENGLAND
SN 0955-3002
J9 INT J RADIAT BIOL
JI Int. J. Radiat. Biol.
PD JUL
PY 2011
VL 87
IS 7
BP 696
EP 710
DI 10.3109/09553002.2010.549535
PG 15
WC Biology; Nuclear Science & Technology; Radiology, Nuclear Medicine &
Medical Imaging
SC Life Sciences & Biomedicine - Other Topics; Nuclear Science &
Technology; Radiology, Nuclear Medicine & Medical Imaging
GA 786BU
UT WOS:000292278200006
PM 21271785
ER
PT J
AU Gerasimova, A
Kazakov, AE
Arkin, AP
Dubchak, I
Gelfand, MS
AF Gerasimova, Anna
Kazakov, Alexey E.
Arkin, Adam P.
Dubchak, Inna
Gelfand, Mikhail S.
TI Comparative Genomics of the Dormancy Regulons in Mycobacteria
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID TUBERCULOSIS GENE-EXPRESSION; DOSR REGULON; GAMMA-PROTEOBACTERIA;
2-COMPONENT SYSTEM; NITRATE REDUCTION; BACTERIAL GENOMES;
ESCHERICHIA-COLI; HYPOXIC RESPONSE; OXYGEN; TRANSCRIPTION
AB In response to stresses, Mycobacterium cells become dormant. This process is regulated by the DosR transcription factor. In Mycobacterium tuberculosis, the dormancy regulon is well characterized and contains the dosR gene itself and dosS and dosT genes encoding DosR kinases, nitroreductases (acg; Rv3131), diacylglycerol acyltransferase (DGAT) (Rv3130c), and many universal stress proteins (USPs). In this study, we apply comparative genomic analysis to characterize the DosR regulons in nine Mycobacterium genomes, Rhodococcus sp. RHA1, Nocardia farcinica, and Saccharopolyspora erythraea. The regulons are highly labile, containing eight core gene groups (regulators, kinases, USPs, DGATs, nitroreductases, ferredoxins, heat shock proteins, and the orthologs of the predicted kinase [Rv2004c] from M. tuberculosis) and 10 additional genes with more restricted taxonomic distribution that are mostly involved in anaerobic respiration. The largest regulon is observed in M. marinum and the smallest in M. abscessus. Analysis of large gene families encoding USPs, nitroreductases, and DGATs demonstrates a mosaic distribution of regulated and nonregulated members, suggesting frequent acquisition and loss of DosR-binding sites.
C1 [Gerasimova, Anna; Kazakov, Alexey E.; Arkin, Adam P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Gerasimova, Anna; Arkin, Adam P.] Univ Calif Berkeley, Energy Biosci Inst, Berkeley, CA 94720 USA.
[Kazakov, Alexey E.; Gelfand, Mikhail S.] RAS, Inst Informat Transmiss Problems, Moscow 127994, Russia.
[Arkin, Adam P.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Dubchak, Inna] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
[Dubchak, Inna] US DOE, Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Gelfand, Mikhail S.] Moscow MV Lomonosov State Univ, Fac Bioengn & Bioinformat, Moscow 119991, Russia.
RP Gerasimova, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, 1 Cyclotron Rd,Mail Stop 84R0171, Berkeley, CA 94720 USA.
EM AGerasimova@lbl.gov
RI Gelfand, Mikhail/F-3425-2012; Arkin, Adam/A-6751-2008
OI Arkin, Adam/0000-0002-4999-2931
FU RFBR [09-04-92745, 08-04-01000, 10-04-00431]; RAS; Ministry of Science
and Education [2.740.11.0101]
FX This study was partially supported by RFBR (09-04-92745, 08-04-01000,
and 10-04-00431), RAS (Program in Molecular and Cellular Biology), and
the Ministry of Science and Education (2.740.11.0101).
NR 50
TC 18
Z9 20
U1 1
U2 10
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 JUL
PY 2011
VL 193
IS 14
BP 3446
EP 3452
DI 10.1128/JB.00179-11
PG 7
WC Microbiology
SC Microbiology
GA 784DQ
UT WOS:000292134900003
PM 21602344
ER
PT J
AU Lechno-Yossef, S
Fan, Q
Wojciuch, E
Wolk, CP
AF Lechno-Yossef, Sigal
Fan, Qing
Wojciuch, Elizabeth
Wolk, Peter
TI Identification of Ten Anabaena sp Genes That under Aerobic Conditions
Are Required for Growth on Dinitrogen but Not for Growth on Fixed
Nitrogen
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID SP STRAIN PCC-7120; HETEROCYST ENVELOPE POLYSACCHARIDE;
NOSTOC-PUNCTIFORME; CLONING VECTORS; RESPONSE REGULATOR; FILAMENT
INTEGRITY; DIFFERENTIATION; EXPRESSION; FIXATION;
GLUCOSE-6-PHOSPHATE-DEHYDROGENASE
AB Heterocysts are specialized cells required for aerobic fixation of dinitrogen by certain filamentous cyanobacteria. Numerous genes involved in the differentiation and function of heterocysts in Anabaena sp. strain PCC 7120 have been identified by mutagenizing and screening for mutants that require fixed nitrogen for growth in the presence of oxygen. We have verified that 10 Anabaena sp. genes, all1338, all1591, alr1728, all3278, all3520, all3582, all3850, all4019, alr4311, and all4388, identified initially by transposon mutagenesis, are such genes by complementing or reconstructing the original mutation and by determining whether the mutant phenotype might be due to a polar effect of the transposon. Elucidation of the roles of these genes should enhance understanding of heterocyst biology.
C1 [Lechno-Yossef, Sigal; Fan, Qing; Wojciuch, Elizabeth; Wolk, Peter] Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
[Wolk, Peter] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
RP Wolk, CP (reprint author), Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
EM wolk@msu.edu
RI FAN, QING/G-6356-2012
FU Chemical Sciences, Geosciences and Biosciences Division, Office of Basic
Energy Sciences, Office of Science, U.S. Department of Energy [DOE
FG02-91ER20021]
FX This work was supported by the Chemical Sciences, Geosciences and
Biosciences Division, Office of Basic Energy Sciences, Office of
Science, U.S. Department of Energy grant DOE FG02-91ER20021.
NR 47
TC 10
Z9 11
U1 0
U2 2
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 JUL
PY 2011
VL 193
IS 14
BP 3482
EP 3489
DI 10.1128/JB.05010-11
PG 8
WC Microbiology
SC Microbiology
GA 784DQ
UT WOS:000292134900007
PM 21602343
ER
PT J
AU Jiao, YQ
Qian, F
Li, Y
Wang, GM
Saltikov, CW
Gralnick, JA
AF Jiao, Yongqin
Qian, Fang
Li, Yat
Wang, Gongming
Saltikov, Chad W.
Gralnick, Jeffrey A.
TI Deciphering the Electron Transport Pathway for Graphene Oxide Reduction
by Shewanella oneidensis MR-1
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID DISSIMILATORY FE(III); PUTREFACIENS MR-1; STRAIN MR-1; RESPIRATION;
CYTOCHROMES; BACTERIA; FLAVINS; CYMA
AB We determined that graphene oxide reduction by Shewanella oneidensis MR-1 requires the Mtr respiratory pathway by analyzing a range of mutants lacking these proteins. Electron shuttling compounds increased the graphene oxide reduction rate 3- to 5-fold. These results may help facilitate the use of bacteria for large-scale graphene production.
C1 [Jiao, Yongqin; Qian, Fang] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
[Qian, Fang; Li, Yat; Wang, Gongming] Univ Calif Santa Cruz, Dept Chem & Biochem, Santa Cruz, CA 95064 USA.
[Saltikov, Chad W.] Univ Calif Santa Cruz, Dept Microbiol & Environm Toxicol, Santa Cruz, CA 95064 USA.
[Gralnick, Jeffrey A.] Univ Minnesota Twin Cities, Dept Microbiol, St Paul, MN 55108 USA.
[Gralnick, Jeffrey A.] Univ Minnesota Twin Cities, Inst Biotechnol, St Paul, MN 55108 USA.
RP Jiao, YQ (reprint author), Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, 7000 East Ave,L-452, Livermore, CA 94550 USA.
EM jiao1@llnl.gov
RI Wang, Gongming/C-4555-2012; Zong, Xu/B-7149-2013;
OI Li, Yat/0000-0002-8058-2084
FU NSF [CBET 1034222]; University of California, Santa Cruz; ONR
[N000140810166]; [DE-AC52-07NA27344]
FX Y.L. and F.Q. acknowledge partial financial support for this work by the
NSF (CBET 1034222) and faculty research funds granted by the University
of California, Santa Cruz. J.A.G. acknowledges support from ONR
(N000140810166). Work at the Lawrence Livermore National Laboratory was
conducted under contract DE-AC52-07NA27344.
NR 21
TC 25
Z9 29
U1 4
U2 32
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 JUL
PY 2011
VL 193
IS 14
BP 3662
EP 3665
DI 10.1128/JB.00201-11
PG 4
WC Microbiology
SC Microbiology
GA 784DQ
UT WOS:000292134900027
PM 21602337
ER
PT J
AU Brown, SD
Begemann, MB
Mormile, MR
Wall, JD
Han, CS
Goodwin, LA
Pitluck, S
Land, ML
Hauser, LJ
Elias, DA
AF Brown, Steven D.
Begemann, Matthew B.
Mormile, Melanie R.
Wall, Judy D.
Han, Cliff S.
Goodwin, Lynne A.
Pitluck, Samuel
Land, Miriam L.
Hauser, Loren J.
Elias, Dwayne A.
TI Complete Genome Sequence of the Haloalkaliphilic, Hydrogen-Producing
Bacterium Halanaerobium hydrogeniformans
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID WASHINGTON; DIVERSITY; DEEP
AB Halanaerobium hydrogenoformans is an alkaliphilic bacterium capable of biohydrogen production at pH 11 and 7% (wt/vol) salt. We present the 2.6-Mb genome sequence to provide insights into its physiology and potential for bioenergy applications.
C1 [Brown, Steven D.; Land, Miriam L.; Hauser, Loren J.; Elias, Dwayne A.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Begemann, Matthew B.] Univ Wisconsin, Microbiol Doctoral Training Program, Madison, WI 53706 USA.
[Mormile, Melanie R.] Missouri Univ Sci & Technol, Dept Biol Sci, Rolla, MO 65409 USA.
[Wall, Judy D.] Univ Missouri, Dept Biochem, Columbia, MO 65211 USA.
[Han, Cliff S.; Goodwin, Lynne A.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
[Han, Cliff S.; Goodwin, Lynne A.; Pitluck, Samuel; Land, Miriam L.; Hauser, Loren J.] DOE Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Pitluck, Samuel] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
RP Elias, DA (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM eliasda@ornl.gov
RI Elias, Dwayne/B-5190-2011; Hauser, Loren/H-3881-2012; Land,
Miriam/A-6200-2011; Brown, Steven/A-6792-2011;
OI Elias, Dwayne/0000-0002-4469-6391; Land, Miriam/0000-0001-7102-0031;
Brown, Steven/0000-0002-9281-3898; Mormile, Melanie/0000-0001-9054-2687
FU Office of Biological and Environmental Research in the DOE Office of
Science through the BioEnergy Science Center, a US DOE Bioenergy
Research Center; UT-Battelle, LLC [DE-AC05-00OR22725]; Office of Science
of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This study was supported by the Office of Biological and Environmental
Research in the DOE Office of Science through the BioEnergy Science
Center, a US DOE Bioenergy Research Center. 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 13
TC 26
Z9 26
U1 2
U2 11
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 JUL
PY 2011
VL 193
IS 14
BP 3682
EP 3683
DI 10.1128/JB.05209-11
PG 2
WC Microbiology
SC Microbiology
GA 784DQ
UT WOS:000292134900037
PM 21602336
ER
PT J
AU Beller, HR
Goh, EB
Keasling, JD
AF Beller, Harry R.
Goh, Ee-Been
Keasling, Jay D.
TI Definitive Alkene Identification Needed for in Vitro Studies with Ole
(Olefin Biosynthesis) Proteins
SO JOURNAL OF BIOLOGICAL CHEMISTRY
LA English
DT Letter
C1 [Beller, Harry R.] JBEI, Berkeley, CA USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Beller, HR (reprint author), JBEI, Berkeley, CA USA.
EM hrbeller@lbl.gov
RI Keasling, Jay/J-9162-2012; Beller, Harry/H-6973-2014
OI Keasling, Jay/0000-0003-4170-6088;
NR 3
TC 0
Z9 0
U1 0
U2 8
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 JUL 1
PY 2011
VL 286
IS 26
BP LE11
EP LE11
DI 10.1074/jbc.L110.216127
PG 1
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 782QP
UT WOS:000292025000002
PM 21705341
ER
PT J
AU Gardenier, GH
Gui, F
Demas, JN
AF Gardenier, George H.
Gui, Feng
Demas, James N.
TI Error Propagation Made Easy-Or at Least Easier
SO JOURNAL OF CHEMICAL EDUCATION
LA English
DT Article
DE Upper-Division Undergraduate; Analytical Chemistry; Physical Chemistry;
Problem Solving/Decision Making; Computational Chemistry;
Mathematics/Symbolic Mathematics
ID CHEMISTRY
AB Complex error propagation is reduced to formula and data entry into a Mathcad worksheet or an Excel spreadsheet. The Mathcad routine uses both symbolic calculus analysis and Monte Carlo methods to propagate errors in a formula of up to four variables. Graphical output is used to clarify the contributions to the final error of each of the individual variables as well as illustrate how well the results conform to the normal distribution. The Excel routine allows direct entry of the formula and evaluates the error by numerical approximation of the necessary partial derivatives. Students find the routines much more user friendly and informative than traditional error propagation techniques.
C1 [Demas, James N.] Univ Virginia, Dept Chem, Charlottesville, VA 22904 USA.
[Gardenier, George H.] US DOE, New Brunswick Lab, Argonne, IL 60439 USA.
[Gui, Feng] DNV, Dublin, OH 43017 USA.
RP Demas, JN (reprint author), Univ Virginia, Dept Chem, Charlottesville, VA 22904 USA.
EM jnd@virginia.edu
FU NSF [CHE 0410061]; UVA Department of Chemistry
FX We thank the NSF for support with CHE 0410061 and the UVA Department of
Chemistry.
NR 15
TC 4
Z9 4
U1 2
U2 9
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0021-9584
J9 J CHEM EDUC
JI J. Chem. Educ.
PD JUL
PY 2011
VL 88
IS 7
BP 916
EP 920
DI 10.1021/ed1004307
PG 5
WC Chemistry, Multidisciplinary; Education, Scientific Disciplines
SC Chemistry; Education & Educational Research
GA 781TM
UT WOS:000291959400016
ER
PT J
AU Vay, JL
Geddes, CGR
Cormier-Michel, E
Grote, DP
AF Vay, J. -L.
Geddes, C. G. R.
Cormier-Michel, E.
Grote, D. P.
TI Numerical methods for instability mitigation in the modeling of laser
wakefield accelerators in a Lorentz-boosted frame
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Laser wakefield acceleration; Particle-in-cell; Plasma simulation;
Special relativity; Boosted frame; Numerical instability
ID PERFECTLY MATCHED LAYER; NONSTANDARD FINITE-DIFFERENCES; IN-CELL
SIMULATION; ELECTRON-BEAMS; ELECTROMAGNETIC-WAVES; CHARGE CONSERVATION;
PARTICLE CODES; GAUSS LAW; ABSORPTION; PHYSICS
AB Modeling of laser-plasma wakefield accelerators in an optimal frame of reference [1] has been shown to produce orders of magnitude speed-up of calculations from first principles. Obtaining these speedups required mitigation of a high-frequency instability that otherwise limits effectiveness. In this paper, methods are presented which mitigated the observed instability, including an electromagnetic solver with tunable coefficients, its extension to accommodate Perfectly Matched Layers and Friedman's damping algorithms, as well as an efficient large bandwidth digital filter. It is observed that choosing the frame of the wake as the frame of reference allows for higher levels of filtering or damping than is possible in other frames for the same accuracy. Detailed testing also revealed the existence of a singular time step at which the instability level is minimized, independently of numerical dispersion. A combination of the techniques presented in this paper prove to be very efficient at controlling the instability, allowing for efficient direct modeling of 10 GeV class laser plasma accelerator stages. The methods developed in this paper may have broader application, to other Lorentz-boosted simulations and Particle-In-Cell simulations in general. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Vay, J. -L.; Geddes, C. G. R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Cormier-Michel, E.] Tech X Corp, Boulder, CO 80303 USA.
[Grote, D. P.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Vay, JL (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM jlvay@ibl.gov
FU US-DOE [DE-AC02-05CH11231, DE-AC52-07NA27344]
FX We are thankful to D.L. Bruhwiler, J.R. Cary, B. Cowan, E. Esarey, A.
Friedman, C. Huang, S.F. Martins, W.B. Mori, B.A. Shadwick, and C.B.
Schroeder for insightful discussions, as well as to the VORPAL team from
Tech-X for providing plots for benchmarking comparisons. Work supported
by US-DOE Contracts DE-AC02-05CH11231 and DE-AC52-07NA27344, and US-DOE
SciDAC program ComPASS. Used resources of NERSC, supported by US-DOE
Contract DE-AC02-05CH11231.
NR 52
TC 32
Z9 32
U1 1
U2 4
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 JUL 1
PY 2011
VL 230
IS 15
BP 5908
EP 5929
DI 10.1016/j.jcp.2011.04.003
PG 22
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 780ZS
UT WOS:000291901000006
ER
PT J
AU Stojanoff, V
AF Stojanoff, Vivian
TI THE BEAUTY IN SYNCHROTRON LIGHT
SO JOURNAL OF COSMETIC SCIENCE
LA English
DT Article
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Stojanoff, V (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
NR 4
TC 0
Z9 0
U1 0
U2 0
PU SOC COSMETIC CHEMISTS
PI NEW YORK
PA 120 WALL STREET, SUITE 2400, NEW YORK, NY 10005-4088 USA
SN 1525-7886
J9 J COSMET SCI
JI J. Cosmet. Sci.
PD JUL-AUG
PY 2011
VL 62
IS 4
BP 444
EP 444
PG 1
WC Chemistry, Applied; Dermatology
SC Chemistry; Dermatology
GA V34DK
UT WOS:000209066900017
ER
PT J
AU Bowyer, TW
Biegalski, SR
Cooper, M
Eslinger, PW
Haas, D
Hayes, JC
Miley, HS
Strom, DJ
Woods, V
AF Bowyer, T. W.
Biegalski, S. R.
Cooper, M.
Eslinger, P. W.
Haas, D.
Hayes, J. C.
Miley, H. S.
Strom, D. J.
Woods, V.
TI Elevated radioxenon detected remotely following the Fukushima nuclear
accident
SO JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
LA English
DT Article
DE Fukushima; Radioxenon; Xenon; Reactor accident; Xenon-133; Noble gas
ID TEST-BAN TREATY; XENON; DISCRIMINATION; SYSTEM
AB We report on the first measurements of short-lived gaseous fission products detected outside of Japan following the Fukushima nuclear releases, which occurred after a 9.0 magnitude earthquake and tsunami on March 11, 2011. The measurements were conducted at the Pacific Northwest National Laboratory (PNNL), (46 degrees 16'47 '' N, 119 degrees 16'53 '' W) located more than 7000 km from the emission point in Fukushima Japan (37 degrees 25'17 '' N, 141 degrees 1'57 '' E). First detections of (133)Xe were made starting early March 16, only four days following the earthquake. Maximum concentrations of (133)Xe were in excess of 40 Bq/m(3), which is more than x40,000 the average concentration of this isotope is this part of the United States. (C) 2011 Published by Elsevier Ltd.
C1 [Bowyer, T. W.; Cooper, M.; Eslinger, P. W.; Haas, D.; Hayes, J. C.; Miley, H. S.; Strom, D. J.; Woods, V.] Pacific NW Natl Lab, Natl Secur Div, Richland, WA 99352 USA.
[Biegalski, S. R.] Univ Texas Austin, Austin, TX 78712 USA.
RP Bowyer, TW (reprint author), Pacific NW Natl Lab, Natl Secur Div, POB 999, Richland, WA 99352 USA.
EM ted.bowyer@pnl.gov
NR 21
TC 91
Z9 96
U1 1
U2 29
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0265-931X
J9 J ENVIRON RADIOACTIV
JI J. Environ. Radioact.
PD JUL
PY 2011
VL 102
IS 7
BP 681
EP 687
DI 10.1016/j.jenvrad.2011.04.009
PG 7
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 781EC
UT WOS:000291912400005
PM 21530026
ER
PT J
AU Babataheri, A
Roper, M
Fermigier, M
Du Roure, O
AF Babataheri, Avin
Roper, Marcus
Fermigier, Marc
Du Roure, Olivia
TI Tethered fleximags as artificial cilia
SO JOURNAL OF FLUID MECHANICS
LA English
DT Article
DE Low-Reynolds-number flows; MEMS/NEMS; swimming/flying
ID LEFT-RIGHT ASYMMETRY; BIOMIMETIC CILIA; FLUID; DYNAMICS; FILAMENTS;
ARRAYS
AB Flexible superparamagnetic filaments ('fleximags') are very slender elastic filaments, which can be driven by distributed magnetic torques to mimic closely the behaviour of biological flagella. Previously, fleximags have been used as a basis for artificial micro-swimmers capable of transporting small cargos Dreyfus et al. (Nature, vol. 437, 2005, p. 862). Here, we demonstrate how these filaments can be anchored to a wall to make carpets of artificial micro-magnetic cilia with tunable densities. We analyse the dynamics of an artificial cilium under both planar and three-dimensional beating patterns. We show that the dynamics are controlled by a single characteristic length scale varying with the inverse square root of the driving frequency, providing a mechanism to break the fore and aft symmetry and to generate net fluxes and forces. However, we show that an effective geometrical reciprocity in the filament dynamics creates intrinsic limitations upon the ability of the artificial flagellum to pump fluid when driven in two dimensions.
C1 [Babataheri, Avin; Fermigier, Marc; Du Roure, Olivia] Univ Paris Diderot, Univ Paris 06, ESPCI ParisTech, CNRS,UMR 7636, F-75005 Paris, France.
[Roper, Marcus] Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA.
[Roper, Marcus] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Roper, Marcus] Univ Warwick, Inst Math, Coventry CV4 7AL, W Midlands, England.
RP Fermigier, M (reprint author), Univ Paris Diderot, Univ Paris 06, ESPCI ParisTech, CNRS,UMR 7636, 10 Rue Vauquelin, F-75005 Paris, France.
EM marc.fermigier@espci.fr
RI DU ROURE, Olivia/J-6955-2013
OI DU ROURE, Olivia/0000-0002-6364-612X
FU Miller Institute for Basic Research in Sciences; Ile de France region
FX We thank P. Jenffer for technical support. M. R. is supported by a
fellowship from the Miller Institute for Basic Research in Sciences.
This work is supported by the Ile de France region under the SESAME
program. Supplementary movies are available at
journals.cambridge.org/flm.
NR 20
TC 26
Z9 26
U1 0
U2 13
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0022-1120
J9 J FLUID MECH
JI J. Fluid Mech.
PD JUL
PY 2011
VL 678
BP 5
EP 13
DI 10.1017/S002211201100005X
PG 9
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 783PI
UT WOS:000292096000002
ER
PT J
AU Constantino, PJ
Lee, JJW
Morris, D
Lucas, PW
Hartstone-Rose, A
Lee, WK
Dominy, NJ
Cunningham, A
Wagner, M
Lawn, BR
AF Constantino, Paul J.
Lee, James J. -W.
Morris, Dylan
Lucas, Peter W.
Hartstone-Rose, Adam
Lee, Wah-Keat
Dominy, Nathaniel J.
Cunningham, Andrew
Wagner, Mark
Lawn, Brian R.
TI Adaptation to hard-object feeding in sea otters and hominins
SO JOURNAL OF HUMAN EVOLUTION
LA English
DT Article
DE Tooth morphology; Fracture; Wear; Diet; Dental evolution; Enamel
mechanical properties
ID ENAMEL THICKNESS; TOOTH ENAMEL; ENHYDRA-LUTRIS; DENTAL ENAMEL; GREAT
APES; DIET; EVOLUTION; FRACTURE; MORPHOLOGY; PATTERNS
AB The large, bunodont postcanine teeth in living sea otters (Enhydra lutris) have been likened to those of certain fossil hominins, particularly the 'robust' australopiths (genus Paranthropus). We examine this evolutionary convergence by conducting fracture experiments on extracted molar teeth of sea otters and modern humans (Homo sapiens) to determine how load-bearing capacity relates to tooth morphology and enamel material properties. In situ optical microscopy and x-ray imaging during simulated occlusal loading reveal the nature of the fracture patterns. Explicit fracture relations are used to analyze the data and to extrapolate the results from humans to earlier hominins. It is shown that the molar teeth of sea otters have considerably thinner enamel than those of humans, making sea otter molars more susceptible to certain kinds of fractures. At the same time, the base diameter of sea otter first molars is larger, diminishing the fracture susceptibility in a compensatory manner. We also conduct nanoindentation tests to map out elastic modulus and hardness of sea otter and human molars through a section thickness, and microindentation tests to measure toughness. We find that while sea otter enamel is just as stiff elastically as human enamel, it is a little softer and tougher. The role of these material factors in the capacity of dentition to resist fracture and deformation is considered. From such comparisons, we argue that early hominin species like Paranthropus most likely consumed hard food objects with substantially higher biting forces than those exerted by modern humans. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Constantino, Paul J.; Lawn, Brian R.] Marshall Univ, Dept Biol, Huntington, WV 25755 USA.
[Lee, James J. -W.; Morris, Dylan; Lawn, Brian R.] Natl Inst Stand & Technol, Div Ceram, Gaithersburg, MD 20899 USA.
[Lucas, Peter W.; Cunningham, Andrew] George Washington Univ, Dept Anthropol, Ctr Adv Study Human Paleobiol, Washington, DC USA.
[Hartstone-Rose, Adam] Penn State Altoona, Dept Biol, Altoona, PA USA.
[Lee, Wah-Keat] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Dominy, Nathaniel J.] Dartmouth Coll, Dept Anthropol, Hanover, NH 03755 USA.
[Wagner, Mark] George Washington Univ, Dept Engn, Washington, DC USA.
RP Constantino, PJ (reprint author), Marshall Univ, Dept Biol, 1 John Marshall Dr, Huntington, WV 25755 USA.
EM paulconstantino@gmail.com
RI Sanders, Susan/G-1957-2011; Hartstone-Rose, Adam/I-3503-2016;
OI Hartstone-Rose, Adam/0000-0001-5307-5573; Dominy,
Nathaniel/0000-0001-5916-418X
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-06CH11357]; National Science Foundation [0851351]; National
Research Council; George Washington University
FX We wish to thank Jim Estes, Melissa Miller, and the Marine Wildlife
Veterinary Care Research Center for providing access to the sea otter
specimens. Permission to transport and test the sea otter teeth was
granted by the California Department of Fish and Game. Gary Schumacher,
Sabine Dickens and Anthony Guiseppetti of the Pfaffenberger American
Dental Association laboratories at the National Institute of Standards
and Technology provided the human molar specimens. Use of the Advanced
Photon Source (APS) at Argonne National Laboratory was supported by the
U.S. Department of Energy, Office of Basic Energy Sciences, under
contract no. DE-AC02-06CH11357. Thanks also to Jake Socha and Alex Deny
for their assistance at the APS. Amanda Keown obtained the section view
in Fig. 2A and Rebecca Kirkpatrick provided useful comments on the
manuscript. This work was supported by a grant from the National Science
Foundation (#0851351 to P.L., P.C., J.J.-W.L. and B.L.), by a National
Research Council Postdoctoral Fellowship (J.J-W.L) and by the George
Washington University Research Enhancement Fund (P.C.).
NR 62
TC 31
Z9 31
U1 2
U2 27
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0047-2484
J9 J HUM EVOL
JI J. Hum. Evol.
PD JUL
PY 2011
VL 61
IS 1
BP 89
EP 96
DI 10.1016/j.jhevol.2011.02.009
PG 8
WC Anthropology; Evolutionary Biology
SC Anthropology; Evolutionary Biology
GA 785LA
UT WOS:000292229300008
PM 21474163
ER
PT J
AU Luo, ZC
Du, CW
AF Luo, Zhongchi
Du, Congwu
TI POWER OF DUAL-WAVELENGTH APPROACHES IN STUDYING PHYSIOLOGICAL AND
FUNCTIONAL CHANGES OF INTACT HEART AND IN VIVO BRAIN
SO JOURNAL OF INNOVATIVE OPTICAL HEALTH SCIENCES
LA English
DT Article
DE Dual-wavelength; optical spectroscope and biomedical imaging; heart;
brain; Rhod2 fluorescence
AB Since the dual-wavelength spectrophotometer was developed, it has been widely used for studying biological samples and applied to extensive investigations of the electron transport in respiration and redox cofactors, redox state, metabolic control, and the generation of reactive oxygen species in mitochondria. Here, we discuss some extension of dual-wavelength approaches in our research to study the physiological and functional changes in intact hearts and in vivo brain. Specifically, we aimed at (1) making nonratiometric fluorescent indicator become ratiometric fluorescence function for investigation of Ca2+ dynamics in live tissue; (2) eliminating the effects of physiological changes on measurement of intracellular calcium; (3) permitting simultaneous imaging of multiple physiological parameters. The animal models of the perfused heart and transiently ischemic insult of brain are used to validate these approaches for physiological applications.
C1 [Luo, Zhongchi] SUNY Stony Brook, Dept Biomed Engn, Stony Brook, NY 11794 USA.
[Du, Congwu] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
[Du, Congwu] SUNY Stony Brook, Dept Anesthesiol, Stony Brook, NY 11794 USA.
RP Du, CW (reprint author), Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
EM zluo@ic.sunysb.edu; congwu@bnl.gov
FU NIH [K25-DA021200, RC1-DA028534]; Department of Energy at Brookhaven
National Laboratory [LDRD 10-023]
FX The experiments of heart perfusion were conducted in Carnegie Mellon
University with Drs. Guy MacGowan and Alan Koretsky. The brain study is
supported in part by NIH grants K25-DA021200, RC1-DA028534 and by
Department of Energy grant LDRD 10-023 at Brookhaven National
Laboratory.
NR 27
TC 2
Z9 2
U1 0
U2 1
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
SN 1793-5458
J9 J INNOV OPT HEAL SCI
JI J. Innov. Opt. Health Sci.
PD JUL
PY 2011
VL 4
IS 3
BP 261
EP 268
DI 10.1142/S1793545811001575
PG 8
WC Optics; Radiology, Nuclear Medicine & Medical Imaging
SC Optics; Radiology, Nuclear Medicine & Medical Imaging
GA V27YK
UT WOS:000208648300008
ER
PT J
AU Clayton, SM
AF Clayton, Steven M.
TI Spin relaxation and linear-in-electric-field frequency shift in an
arbitrary, time-independent magnetic field
SO JOURNAL OF MAGNETIC RESONANCE
LA English
DT Article
DE Nuclear magnetic resonance; Relaxation; Diffusion; Electric dipole
moment
ID GRADIENT
AB A method is presented to calculate the spin relaxation times T(1), T(2) due to a non-uniform magnetic field, and the linear-in-electric-field precession frequency shift delta(omega E) when an electric field is present, in the diffusion approximation for spins confined to a rectangular cell. It is found that the rectangular cell geometry admits of a general result for T(1), T(2), and delta(omega E) in terms of the spatial cosine-transform components of the magnetic field. The result is applied to the case of a permanently-magnetized dipole impurity near the cell. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Clayton, Steven M.] Univ Illinois, Dept Phys, Urbana, IL 61820 USA.
RP Clayton, SM (reprint author), Los Alamos Natl Lab, POB 1663,MS H846, Los Alamos, NM 87545 USA.
EM sclayton@lanl.gov
FU NSF [NSF06-01067]
FX This work was supported by NSF Grant Number NSF06-01067. The author
thanks R. Golub for suggesting the application to the
linear-in-electric-field frequency shift.
NR 22
TC 10
Z9 10
U1 0
U2 0
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 JUL
PY 2011
VL 211
IS 1
BP 89
EP 95
DI 10.1016/j.jmr.2011.04.008
PG 7
WC Biochemical Research Methods; Physics, Atomic, Molecular & Chemical;
Spectroscopy
SC Biochemistry & Molecular Biology; Physics; Spectroscopy
GA 783DK
UT WOS:000292061500013
PM 21600820
ER
PT J
AU Kern, J
Guskov, A
AF Kern, Jan
Guskov, Albert
TI Lipids in photosystem II: Multifunctional cofactors
SO JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
LA English
DT Review
DE Lipids; Photosystem II; Lipid-protein interactions; Lipid-cofactor
interactions; Water oxidation
ID X-RAY CRYSTALLOGRAPHY; CYTOCHROME B(6)F COMPLEX;
THERMOSYNECHOCOCCUS-ELONGATUS; CRYSTAL-STRUCTURE; ARABIDOPSIS-THALIANA;
ANGSTROM RESOLUTION; THERMOPHILIC CYANOBACTERIUM;
RHODOBACTER-SPHAEROIDES; PROTEIN INTERACTIONS; REACTION CENTERS
AB To maintain its functionality, photosystem II (PSII) employs several types of auxiliary molecules (cofactors). As shown for PSI! from Thermosynechococcus elongatus, lipids previously thought to play mostly the role of a hydrophobic matrix for embedding the membrane proteins, must be considered as a new, multifunctional type of cofactors, playing a vital role in the fine tuning of PSII and in its overall operation. The 2.9 angstrom resolution crystal structure of cyanobacterial homodimeric P511 showed the position of 25 lipid molecules per monomer, and allowed detailed analysis of individual binding sites as well as functional aspects related to lipids. The positions of the bound lipids suggest that they are essential for the assembly and disassembly of PSII, provide the proper environment for plastoquinone exchange, might tune electron transfer through contacts with chlorophylls and carotenoids, and might serve as an oxygen-outlet system from the lumen. Published by Elsevier B.V.
C1 [Kern, Jan] Tech Univ Berlin, Inst Chem, Max Volmer Lab Biophys Chem, D-10623 Berlin, Germany.
[Guskov, Albert] Free Univ Berlin, Inst Chem & Biochem Kristallog, D-14195 Berlin, Germany.
RP Kern, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM janfkern@gmail.com
RI Kern, Jan/G-2586-2013; Guskov, Albert/G-1286-2016
OI Kern, Jan/0000-0002-7272-1603; Guskov, Albert/0000-0003-2340-2216
FU Deutsche Forschungsgemeinschaft [Sfb 498, A4, C7]; Alexander von
Humboldt Foundation; DOE Office of Science, Office of Basic Energy
Sciences (OBES) [DE-AC02-05CH11231]
FX The authors wish to thank all co-workers involved in the structure
determination of photosystem II in Berlin, especially Matthias Broser,
Azat Gabdulkhakov, Athina Zouni and Wolfram Saenger. We are grateful to
the Deutsche Forschungsgemeinschaft for support within the framework of
Sfb 498 (projects A4, C7). Beam time and support at ESRF (Grenoble), SLS
(Villigen), BESSY (Berlin) is gratefully acknowledged. J.K. acknowledges
funding by the Alexander von Humboldt Foundation and the DOE Office of
Science, Office of Basic Energy Sciences (OBES), under Contract
DE-AC02-05CH11231.
NR 75
TC 23
Z9 23
U1 1
U2 20
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 1011-1344
J9 J PHOTOCH PHOTOBIO B
JI J. Photochem. Photobiol. B-Biol.
PD JUL-AUG
PY 2011
VL 104
IS 1-2
SI SI
BP 19
EP 34
DI 10.1016/j.jphotobiol.2011.02.025
PG 16
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 783FD
UT WOS:000292066000003
PM 21481601
ER
PT J
AU Yachandra, VK
Yano, J
AF Yachandra, Vittal K.
Yano, Junko
TI Calcium in the oxygen-evolving complex: Structural and mechanistic role
determined by X-ray spectroscopy
SO JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
LA English
DT Review
DE Manganese; Calcium; Oxygen-evolving complex; Photosystem II; X-ray
Absorption Spectroscopy
ID PHOTOSYNTHETIC WATER OXIDATION; PHOTOSYSTEM-II MEMBRANES; O BOND
FORMATION; ABSORPTION SPECTROSCOPY; MN4CA CLUSTER; MANGANESE CLUSTER; MN
CLUSTER; CRYSTAL-STRUCTURE; STRONTIUM EXAFS; BINDING SITE
AB This review describes the results from X-ray Absorption Spectroscopy studies that have contributed to an understanding of the role of Ca in the photosynthetic water-oxidation reaction. The results include the first Mn, Ca and Sr X-ray spectroscopy studies using Ca or Sr-substituted PS II samples that established the presence of a MnCa heteronuclear structure and its orientation, and the most recent Sr X-ray spectroscopy study using biosynthetically prepared Sr-containing PS II in the various S-states that provide important insights into the requirement for Ca in the mechanism of the Mn(4)Ca catalytic center. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Yachandra, Vittal K.; Yano, Junko] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Yachandra, VK (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
EM VKYachandra@lbl.gov; JYano@LBL.GOV
FU NIH [GM 55302]; DOE, Office of Science, Office of Basic Energy Sciences
(OBES), Chemical Sciences, Geosciences, and Biosciences Division
[DE-AC02-05CH11231]; DOE, OBES; DOE, OBER; NIH, NCRR
FX This work was supported by the NIH Grant (GM 55302), and the DOE,
Director, Office of Science, Office of Basic Energy Sciences (OBES),
Chemical Sciences, Geosciences, and Biosciences Division, under Contract
DE-AC02-05CH11231. Parts of this research were carried out at ALS, APS
and SSRL funded by DOE, OBES. The SSRL SMB Program is supported by the
DOE, OBER and by the NIH, NCRR. We are grateful to all the members of
our group who have contributed to the work presented in this review, and
we especially thank our group members Drs. Matthew Latimer, Roehl Cinco,
Yulia Pushkar, and our collaborator Dr. Alain Boussac (Saclay, France).
NR 69
TC 34
Z9 34
U1 2
U2 32
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 1011-1344
J9 J PHOTOCH PHOTOBIO B
JI J. Photochem. Photobiol. B-Biol.
PD JUL-AUG
PY 2011
VL 104
IS 1-2
SI SI
BP 51
EP 59
DI 10.1016/j.jphotobiol.2011.02.019
PG 9
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 783FD
UT WOS:000292066000006
PM 21524917
ER
PT J
AU Ryan, KJ
Hamada, MS
Reese, CS
AF Ryan, Kenneth J.
Hamada, Michael S.
Reese, C. Shane
TI A Bayesian Hierarchical Power Law Process Model for Multiple Repairable
Systems with an Application to Supercomputer Reliability
SO JOURNAL OF QUALITY TECHNOLOGY
LA English
DT Article
DE Count Data; Failure Time; Markov Chain Monte Carlo; Random-Effects Model
ID WEIBULL PROCESS; INTERVALS; PREDICTION; INFERENCE; INTENSITY; FIT
AB Los Alamos National Laboratory was home to the Blue Mountain supercomputer, which at one point was the world's fastest computer. This paper presents and analyzes hardware failure data from Blue Mountain. Nonhomogeneous Poisson process models are fit to the data within a hierarchical Bayesian framework using Markov chain Monte Carlo methods. The implementation of these methods is convenient and flexible. Simulations are used to demonstrate strong frequentist properties and provide comparisons between time-truncated and failure-count designs and demonstrate the benefits of hierarchical modeling of multiple repairable systems over the modeling of such systems separately.
C1 [Ryan, Kenneth J.] Bowling Green State Univ, Dept Operat Res & Appl Stat, Bowling Green, OH 43403 USA.
[Hamada, Michael S.] Los Alamos Natl Lab, Stat Sci Grp, Los Alamos, NM 87545 USA.
[Reese, C. Shane] Brigham Young Univ, Dept Stat, Provo, UT 84602 USA.
RP Ryan, KJ (reprint author), Bowling Green State Univ, Dept Operat Res & Appl Stat, Bowling Green, OH 43403 USA.
EM kjryan@bgsu.edu; hama.da@lanl.gov; reese@stat.byu.edu
NR 27
TC 2
Z9 2
U1 0
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 JUL
PY 2011
VL 43
IS 3
BP 209
EP 223
PG 15
WC Engineering, Industrial; Operations Research & Management Science;
Statistics & Probability
SC Engineering; Operations Research & Management Science; Mathematics
GA 785LD
UT WOS:000292229600003
ER
PT J
AU Xing, YL
Shu, CW
Noelle, S
AF Xing, Yulong
Shu, Chi-Wang
Noelle, Sebastian
TI On the Advantage of Well-Balanced Schemes for Moving-Water Equilibria of
the Shallow Water Equations
SO JOURNAL OF SCIENTIFIC COMPUTING
LA English
DT Article
DE Shallow water equation; Still water; Moving water equilibrium; High
order accuracy; Well-balanced scheme
ID VOLUME WENO SCHEMES
AB This note aims at demonstrating the advantage of moving-water well-balanced schemes over still-water well-balanced schemes for the shallow water equations. We concentrate on numerical examples with solutions near a moving-water equilibrium. For such examples, still-water well-balanced methods are not capable of capturing the small perturbations of the moving-water equilibrium and may generate significant spurious oscillations, unless an extremely refined mesh is used. On the other hand, moving-water well-balanced methods perform well in these tests. The numerical examples in this note clearly demonstrate the importance of utilizing moving-water well-balanced methods for solutions near a moving-water equilibrium.
C1 [Xing, Yulong] Univ Tennessee, Dept Math, Knoxville, TN 37996 USA.
[Xing, Yulong] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Shu, Chi-Wang] Brown Univ, Div Appl Math, Providence, RI 02912 USA.
[Noelle, Sebastian] Rhein Westfal TH Aachen, Inst Geometry & Appl Math, D-52056 Aachen, Germany.
RP Xing, YL (reprint author), Univ Tennessee, Dept Math, Knoxville, TN 37996 USA.
EM xingy@math.utk.edu; shu@dam.brown.edu; noelle@igpm.rwth-aachen
RI xing, yulong/C-1484-2011; Noelle, Sebastian/C-9081-2012; Shu,
Chi-Wang/A-3216-2013
OI Noelle, Sebastian/0000-0001-6267-8309; Shu, Chi-Wang/0000-0001-7720-9564
FU AFOSR [FA9550-09-1-0126]; NSF [DMS-0809086]; DFG [GK 775]; Oak Ridge
National Laboratory the U.S. Government [DE-AC05-00OR22725]
FX C.-W. Shu's research is supported by AFOSR grant FA9550-09-1-0126 and
NSF grant DMS-0809086. S. Noelle's research is supported by DFG grant GK
775.; The first author is a contractor [UT-Battelle, manager of Oak
Ridge National Laboratory] of the U.S. Government under Contract No.
DE-AC05-00OR22725. Accordingly, the U.S. Government retains a
non-exclusive, 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 4
TC 23
Z9 24
U1 0
U2 3
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0885-7474
J9 J SCI COMPUT
JI J. Sci. Comput.
PD JUL
PY 2011
VL 48
IS 1-3
BP 339
EP 349
DI 10.1007/s10915-010-9377-y
PG 11
WC Mathematics, Applied
SC Mathematics
GA 781RX
UT WOS:000291952300023
ER
PT J
AU Liu, WJ
Ice, GE
Assoufid, L
Liu, CA
Shi, B
Khachatryan, R
Qian, J
Zschack, P
Tischler, JZ
Choi, JY
AF Liu, Wenjun
Ice, Gene E.
Assoufid, Lahsen
Liu, Chian
Shi, Bing
Khachatryan, Ruben
Qian, Jun
Zschack, Paul
Tischler, Jonathan Z.
Choi, J. -Y.
TI Achromatic nested Kirkpatrick-Baez mirror optics for hard X-ray
nanofocusing
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article
DE hard X-ray nanofocusing; achromatic; nested Kirkpatrick-Baez; Montel
AB The first test of nanoscale-focusing Kirkpatrick-Baez (KB) mirrors in the nested (or Montel) configuration used at a hard X-ray synchrotron beamline is reported. The two mirrors are both 40 mm long and coated with Pt to produce a focal length of 60 mm at 3 mrad incident angle, and collect up to a 120 mm by 120 mm incident X-ray beam with maximum angular acceptance of 2 mrad and a broad bandwidth of energies up to 30 keV. In an initial test a focal spot of about 150 nm in both horizontal and vertical directions was achieved with either polychromatic or monochromatic beam. The nested mirror geometry, with two mirrors mounted side-by-side and perpendicular to each other, is significantly more compact and provides higher demagnification than the traditional sequential KB mirror arrangement. Ultimately, nested mirrors can focus larger divergence to improve the diffraction limit of achromatic optics. A major challenge with the fabrication of the required mirrors is the need for near-perfect mirror surfaces near the edge of at least one of the mirrors. Special polishing procedures and surface profile coating were used to preserve the mirror surface quality at the reflecting edge. Further developments aimed at achieving diffraction-limited focusing below 50 nm are underway.
C1 [Liu, Wenjun; Assoufid, Lahsen; Liu, Chian; Shi, Bing; Khachatryan, Ruben; Qian, Jun; Zschack, Paul] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Ice, Gene E.; Tischler, Jonathan Z.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Choi, J. -Y.] Pohang Inst Sci & Technol, Pohang Accelerator Lab, Pohang 790600, South Korea.
RP Liu, WJ (reprint author), Argonne Natl Lab, Adv Photon Source, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM wjliu@anl.gov
FU US Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; US Department of Energy (DOE), Office of
Basic Energy Science (BES), Materials Sciences and Engineering Division;
Pohang Accelerator Laboratory
FX The authors wish to thank Shih-Nan Hsiao, Kevin Peterson and Ross Harder
for help in mirror X-ray testing, and Michael Wieczorek and Ali
Khounsary for help in preparing substrates. Use of the Advanced Photon
Source at Argonne National Laboratory was supported by the US Department
of Energy, Office of Science, Office of Basic Energy Sciences, under
Contract No. DE-AC02-06CH11357. GEI and JZT are supported by the US
Department of Energy (DOE), Office of Basic Energy Science (BES),
Materials Sciences and Engineering Division. J-YC is supported by the
Pohang Accelerator Laboratory.
NR 17
TC 20
Z9 20
U1 0
U2 10
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0909-0495
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD JUL
PY 2011
VL 18
BP 575
EP 579
DI 10.1107/S0909049511010995
PN 4
PG 5
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA 783SY
UT WOS:000292105500007
PM 21685674
ER
PT J
AU Toellner, TS
Alatas, A
Said, AH
AF Toellner, T. S.
Alatas, A.
Said, A. H.
TI Six-reflection meV-monochromator for synchrotron radiation
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article
DE high resolution; monochromator; X-ray
ID RAY CRYSTAL COLLIMATORS; MEV ENERGY RESOLUTION; DIFFRACTION CURVES;
SCATTERING
AB An in-line monochromatization scheme suitable for 10-40 keV synchrotron radiation is presented based on the use of six crystal reflections that achieves meV and sub-meV bandwidths with high efficiency. The theoretical spectral efficiency surpasses all previous multicrystal designs and approaches that of single room-temperature back-reflecting crystals. This article presents the designs of two such devices along with their theoretical and measured performances.
C1 [Toellner, T. S.; Alatas, A.; Said, A. H.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Toellner, TS (reprint author), Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
EM toellner@anl.gov
FU US Department of Energy, Basic Energy Sciences, Office of Science
[DE-AC02-06CH11357]; National Science Foundation [DMR-0115852]
FX Use of the Advanced Photon Source was supported by the US Department of
Energy, Basic Energy Sciences, Office of Science, under Contract No.
DE-AC02-06CH11357. The construction of HRM-2 for beamline 30-ID of the
Advanced Photon Source was partially supported by the National Science
Foundation under Grant No. DMR-0115852.
NR 20
TC 40
Z9 40
U1 0
U2 2
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0909-0495
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD JUL
PY 2011
VL 18
BP 605
EP 611
DI 10.1107/S0909049511017535
PN 4
PG 7
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA 783SY
UT WOS:000292105500011
PM 21685678
ER
PT J
AU Helmer, KG
Ambite, JL
Ames, J
Ananthakrishnan, R
Burns, G
Chervenak, AL
Foster, I
Liming, L
Keator, D
Macciardi, F
Madduri, R
Navarro, JP
Potkin, S
Rosen, B
Ruffins, S
Schuler, R
Turner, JA
Toga, A
Williams, C
Kesselman, C
AF Helmer, Karl G.
Ambite, Jose Luis
Ames, Joseph
Ananthakrishnan, Rachana
Burns, Gully
Chervenak, Ann L.
Foster, Ian
Liming, Lee
Keator, David
Macciardi, Fabio
Madduri, Ravi
Navarro, John-Paul
Potkin, Steven
Rosen, Bruce
Ruffins, Seth
Schuler, Robert
Turner, Jessica A.
Toga, Arthur
Williams, Christina
Kesselman, Carl
CA Biomed Informatics Res Network
TI Enabling collaborative research using the Biomedical Informatics
Research Network (BIRN)
SO JOURNAL OF THE AMERICAN MEDICAL INFORMATICS ASSOCIATION
LA English
DT Article
ID MULTICENTER FMRI; VARIABILITY; INTEGRATION; ACTIVATION; DATABASE
AB Objective As biomedical technology becomes increasingly sophisticated, researchers can probe ever more subtle effects with the added requirement that the investigation of small effects often requires the acquisition of large amounts of data. In biomedicine, these data are often acquired at, and later shared between, multiple sites. There are both technological and sociological hurdles to be overcome for data to be passed between researchers and later made accessible to the larger scientific community. The goal of the Biomedical Informatics Research Network (BIRN) is to address the challenges inherent in biomedical data sharing.
Materials and methods BIRN tools are grouped into 'capabilities' and are available in the areas of data management, data security, information integration, and knowledge engineering. BIRN has a user-driven focus and employs a layered architectural approach that promotes reuse of infrastructure. BIRN tools are designed to be modular and therefore can work with pre-existing tools. BIRN users can choose the capabilities most useful for their application, while not having to ensure that their project conforms to a monolithic architecture.
Results BIRN has implemented a new software-based data-sharing infrastructure that has been put to use in many different domains within biomedicine. BIRN is actively involved in outreach to the broader biomedical community to form working partnerships.
Conclusion BIRN's mission is to provide capabilities and services related to data sharing to the biomedical research community. It does this by forming partnerships and solving specific, user-driven problems whose solutions are then available for use by other groups.
C1 [Helmer, Karl G.; Rosen, Bruce] Massachusetts Gen Hosp, Athinoula A Martinos Ctr Biomed Imaging, Boston, MA 02129 USA.
[Helmer, Karl G.; Rosen, Bruce] Harvard Univ, Sch Med, Dept Radiol, Boston, MA 02115 USA.
[Ambite, Jose Luis; Burns, Gully; Chervenak, Ann L.; Schuler, Robert; Williams, Christina; Kesselman, Carl] Univ So Calif, Inst Informat Sci, Marina Del Rey, CA 90292 USA.
[Ames, Joseph; Keator, David; Macciardi, Fabio; Potkin, Steven] Univ Calif Irvine, Dept Psychiat & Human Behav, Irvine, CA 92717 USA.
[Ananthakrishnan, Rachana; Foster, Ian; Liming, Lee; Madduri, Ravi; Navarro, John-Paul] Argonne Natl Lab, Math & Comp Sci MCS Div, Argonne, IL 60439 USA.
[Ananthakrishnan, Rachana; Foster, Ian; Liming, Lee; Madduri, Ravi; Navarro, John-Paul] Univ Chicago, Computat Inst, Chicago, IL 60637 USA.
[Potkin, Steven] Univ Calif Irvine, Brain Imaging Ctr, Irvine, CA USA.
[Ruffins, Seth; Toga, Arthur] Univ Calif Los Angeles, Sch Med, Dept Neurol, Lab Neuro Imaging, Los Angeles, CA 90024 USA.
[Ruffins, Seth] CALTECH, Biol Imaging Ctr, Pasadena, CA 91125 USA.
[Turner, Jessica A.] Mind Res Network, Albuquerque, NM USA.
RP Helmer, KG (reprint author), Massachusetts Gen Hosp, Athinoula A Martinos Ctr Biomed Imaging, 149-13th St Room 2301, Boston, MA 02129 USA.
EM helmer@nmr.mgh.harvard.edu
RI Turner, Jessica/H-7282-2015; Macciardi, Fabio/N-3768-2014;
OI Turner, Jessica/0000-0003-0076-8434; Macciardi,
Fabio/0000-0003-0537-4266; Potkin, Steven/0000-0003-1028-1013; Burns,
Gully/0000-0003-1493-865X; Kesselman, Carl/0000-0003-0917-1562
FU National Center for Research Resources (NCRR) [U24-RR025736,
U24-RR021992, U24-RR021760]; National Institute of General Medical
Sciences (NIGMS [RO1 GM083871]; National Science Foundation and through
the Kinetics and Michael J. Fox Foundations [0849977];
[U24-RR026057-01]
FX BIRN is supported by grants from the National Center for Research
Resources (NCRR) through the following grants: U24-RR025736,
U24-RR021992, and U24-RR021760. The outreach portion of BIRN is
supported through U24-RR026057-01. Some of the knowledge engineering
work is supported though a grant from the National Institute of General
Medical Sciences (NIGMS; RO1 GM083871) and the National Science
Foundation (grant 0849977), and through the Kinetics and Michael J. Fox
Foundations.
NR 37
TC 24
Z9 24
U1 0
U2 10
PU B M J PUBLISHING GROUP
PI LONDON
PA BRITISH MED ASSOC HOUSE, TAVISTOCK SQUARE, LONDON WC1H 9JR, ENGLAND
SN 1067-5027
J9 J AM MED INFORM ASSN
JI J. Am. Med. Inf. Assoc.
PD JUL
PY 2011
VL 18
IS 4
BP 416
EP 422
DI 10.1136/amiajnl-2010-000032
PG 7
WC Computer Science, Information Systems; Computer Science,
Interdisciplinary Applications; Health Care Sciences & Services;
Information Science & Library Science; Medical Informatics
SC Computer Science; Health Care Sciences & Services; Information Science &
Library Science; Medical Informatics
GA 783DM
UT WOS:000292061700012
PM 21515543
ER
PT J
AU Magishi, K
Sugawara, H
Saito, T
Koyama, K
Kanetake, F
Mukuda, H
Kitaoka, Y
Itoh, KM
Haller, EE
AF Magishi, Ko-ichi
Sugawara, Hitoshi
Saito, Takahito
Koyama, Kuniyuki
Kanetake, Fumiya
Mukuda, Hidekazu
Kitaoka, Yoshio
Itoh, Kohei M.
Haller, Eugene E.
TI Ge-73 NQR study of superconducting skutterudites MPt4Ge12 (M = Sr, Ba)
SO JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
LA English
DT Article
DE filled skutterudite; NOR; superconductivity
AB We report on the results of the Ge-73-NQR measurements for MPt4Ge12 (M = Sr, Ba) to clarify the microscopic electronic states and the relationship between superconductivity and rattling. In the normal state, 1/T-1 is proportional to temperature, showing a Korringa relation 1/T-1 T = 0.020 and 0.016 (sK)(-1) for SrPt4Ge12 and BaPt4Ge12, respectively. Also, in the superconducting state, 1/T1 shows a distinct coherence peak just below T-C, which suggests a conventional BCS superconductor.
C1 [Magishi, Ko-ichi; Saito, Takahito; Koyama, Kuniyuki] Univ Tokushima, Inst Socioarts & Sci, Tokushima 7708502, Japan.
[Sugawara, Hitoshi] Kobe Univ, Grad Sch Sci, Dept Phys, Kobe, Hyogo 6578501, Japan.
[Kanetake, Fumiya; Mukuda, Hidekazu; Kitaoka, Yoshio] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan.
[Itoh, Kohei M.] Keio Univ, Dept Appl Phys & Physicoinformat, Yokohama, Kanagawa 2238522, Japan.
[Haller, Eugene E.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Haller, Eugene E.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Magishi, K (reprint author), Univ Tokushima, Inst Socioarts & Sci, Tokushima 7708502, Japan.
EM magishi@ias.tokushima-u.ac.jp
RI Itoh, Kohei/C-5738-2014
FU Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
of Japan [21102517]; Japan Society for the Promotion of Science (JSPS)
[21540339]; MEXT of Japan; JGC-S Scholarship Foundation
FX This work was supported by a Grant-in-Aid for Scientific Research on
Innovative Areas "Heavy Electrons" (No.21102517) of the Ministry of
Education, Culture, Sports, Science, and Technology (MEXT) of Japan,
Grants-in-Aid for Scientific Research (No.21540339) from the Japan
Society for the Promotion of Science (JSPS) and MEXT of Japan, and JGC-S
Scholarship Foundation.
NR 16
TC 0
Z9 0
U1 0
U2 3
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 JUL
PY 2011
VL 80
SU A
AR SA028
PG 3
WC Physics, Multidisciplinary
SC Physics
GA V29DF
UT WOS:000208728400028
ER
PT J
AU Sakai, H
Kurita, N
Miclea, CF
Movshovich, R
Lee, HO
Ronning, F
Bauer, ED
Thompson, JD
AF Sakai, H.
Kurita, N.
Miclea, C. F.
Movshovich, R.
Lee, H. -O.
Ronning, F.
Bauer, E. D.
Thompson, J. D.
TI Dilute La-substitutions in CeRhIn5 studied by means of NMR/NQR
techniques
SO JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
LA English
DT Article
DE CeRhIn5; specific heat; nuclear magnetic resonance
AB The effect of dilute La substitution in Ce1-xLaxRhIn5 (0 <= x <= 0.07) has been investigated macroscopically by specific heat measurement and microscopically by nuclear magnetic/quadrupole resonance (NMR/NQR). The Neel temperature decreases gradually by dilute La substitutions from 3.8 K (x = 0) to 2.9 K (x = 0.07). The specific heat for Ce1-xLaxRhIn5 exhibits nuclear Schottky contributions below 1 K, which are compatible with the microscopic parameters obtained by NMR/NQR. Below the Neel temperature, the residual Sommerfeld coefficient of similar to 50 mJ K-2/ mol is nearly independent of increasing La substitution, while the entropy in the ordered state is slightly enhanced. Microscopically, 1/T-1 in the AF ordered state can be explained by spin-wave term of 4f moments, spin fluctuation term by uncompensated localized Ce moments near the La ions, and a small Korringa contribution by non-4f electrons, which suggests a localized 4f nature in CeRhIn5.
C1 [Sakai, H.; Kurita, N.; Miclea, C. F.; Movshovich, R.; Lee, H. -O.; Ronning, F.; Bauer, E. D.; Thompson, J. D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Sakai, H.] Japan Atom Energy Agcy, Advanced Sci Res Ctr, Tokai, Ibaraki 3191195, Japan.
RP Sakai, H (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
FU U. S. Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering
FX We thank T. Park, K. Gofryk, Y. -f. Yang, S. -H. Back, T. D. Matsuda, Y.
Haga, Y. Tokunaga, S. Kambe, and H. Yasuoka for useful discussions. H.
S. wishes to acknowledge the hospitality of Los Alamos National
Laboratory. Work at Los Alamos National Laboratory was performed under
the auspices of U. S. Department of Energy, Office of Basic Energy
Sciences, Division of Materials Sciences and Engineering.
NR 15
TC 1
Z9 1
U1 2
U2 6
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 JUL
PY 2011
VL 80
SU A
AR SA059
PG 3
WC Physics, Multidisciplinary
SC Physics
GA V29DF
UT WOS:000208728400059
ER
PT J
AU Ma, BH
Tong, S
Narayanan, M
Liu, SS
Chao, S
Balachandran, U
AF Ma, Beihai
Tong, Sheng
Narayanan, Manoj
Liu, Shanshan
Chao, Sheng
Balachandran, U.
TI Fabrication and dielectric property of ferroelectric PLZT films grown on
metal foils
SO MATERIALS RESEARCH BULLETIN
LA English
DT Article
DE Thin film; Ceramics; Sol-gel chemistry; Dielectric properties;
Ferroelectricity
ID TITANATE THIN-FILMS; ELECTROOPTIC PROPERTIES
AB We have grown ferroelectric Pb(0.92)La(0.08)Zr(0.52)Ti(0.48)O(3) (PIZT) films on platinized silicon and LaNiO(3)-buffered nickel substrates by chemical solution deposition using a sol-gel process based on acetic acid chemistry. The following measurements were obtained under zero-bias field: relative permittivity of approximate to 960 and dielectric loss of approximate to 0.04 on the PLZT film grown on Pt/Si substrates, and relative permittivity of and dielectric loss of approximate to 0.06 on the PLZT film grown on LNO-buffered Ni substrates. In addition, a relative permittivity of 125 and dielectric loss of 0.02 were measured at room temperature under a high bias field of 1 x 10(6) V/cm on PLZT deposited on LNO-buffered nickel substrate. Furthermore, a steady-state leakage current density of approximate to 8.1 x 10(-9) A/cm(2) and mean breakdown field strength of 1.7 x 10(6) V/cm were measured at room temperature. Finally, remanent polarization (P(r)) of approximate to 2.0 x 10(-5) C/cm(2), coercive electric field (E(c)) of approximate to 3.4 x 10(4) V/cm, and energy density of approximate to 45 J/cm(3) were determined from room-temperature hysteresis loop measurements on PLZT/LNO/Ni film-on-foil capacitors with 250-mu m-diameter platinum top electrodes. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Ma, Beihai; Tong, Sheng; Narayanan, Manoj; Liu, Shanshan; Chao, Sheng; Balachandran, U.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
RP Ma, BH (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM bma@anl.gov
RI Tong, Sheng/A-2129-2011; Narayanan, Manoj/A-4622-2011; Liu,
Shanshan/A-6143-2012; Ma, Beihai/I-1674-2013
OI Tong, Sheng/0000-0003-0355-7368; Ma, Beihai/0000-0003-3557-2773
FU U.S. Department of Energy, Office of Vehicle Technologies
[DE-AC02-06CH11357]
FX This work was funded by the U.S. Department of Energy, Office of Vehicle
Technologies Program, under Contract DE-AC02-06CH11357. We thank Dr.
R.E. Koritala for her help with SEM measurements. This study benefited
from use of the Electron Microscopy Center (EMC) at Argonne National
Laboratory.
NR 24
TC 20
Z9 20
U1 0
U2 21
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0025-5408
J9 MATER RES BULL
JI Mater. Res. Bull.
PD JUL
PY 2011
VL 46
IS 7
BP 1124
EP 1129
DI 10.1016/j.materresbull.2011.02.047
PG 6
WC Materials Science, Multidisciplinary
SC Materials Science
GA 783ZA
UT WOS:000292122200025
ER
PT J
AU Caporale, N
Kolstad, KD
Lee, T
Tochitsky, I
Dalkara, D
Trauner, D
Kramer, R
Dan, Y
Isacoff, EY
Flannery, JG
AF Caporale, Natalia
Kolstad, Kathleen D.
Lee, Trevor
Tochitsky, Ivan
Dalkara, Deniz
Trauner, Dirk
Kramer, Richard
Dan, Yang
Isacoff, Ehud Y.
Flannery, John G.
TI LiGluR Restores Visual Responses in Rodent Models of Inherited Blindness
SO MOLECULAR THERAPY
LA English
DT Article
ID IONOTROPIC GLUTAMATE-RECEPTOR; LEBERS CONGENITAL AMAUROSIS;
RETINITIS-PIGMENTOSA; RETINAL DEGENERATION; PHOTORECEPTOR DEGENERATION;
ECTOPIC EXPRESSION; GANGLION-CELLS; GENE-THERAPY; MACULAR DEGENERATION;
MOUSE MODEL
AB Inherited retinal degeneration results from many different mutations in either photoreceptor-specific or nonphoto-receptor-specific genes. However, nearly all mutations lead to a common blinding phenotype that initiates with rod cell death, followed by loss of cones. In most retinal degenerations, other retinal neuron cell types survive for long periods after blindness from photoreceptor loss. One strategy to restore light responsiveness to a retina rendered blind by photoreceptor degeneration is to express light-regulated ion channels or transporters in surviving retinal neurons. Recent experiments in rodents have restored light-sensitivity by expressing melanopsin or microbial opsins either broadly throughout the retina or selectively in the inner segments of surviving cones or in bipolar cells. Here, we present an approach whereby a genetically and chemically engineered light-gated ionotropic glutamate receptor (LiGluR) is expressed selectively in retinal ganglion cells (RGCs), the longest-surviving cells in retinal blinding diseases. When expressed in the RGCs of a well-established model of retinal degeneration, the rd1 mouse, LiGluR restores light sensitivity to the RGCs, reinstates light responsiveness to the primary visual cortex, and restores both the pupillary reflex and a natural light-avoidance behavior. Received 31 March 2011; accepted 29 April 2011; published online 24 May 2011. doi: 10.1038/mt.2011.103
C1 [Caporale, Natalia; Kolstad, Kathleen D.; Lee, Trevor; Dalkara, Deniz; Kramer, Richard; Dan, Yang; Isacoff, Ehud Y.; Flannery, John G.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
[Tochitsky, Ivan; Kramer, Richard; Dan, Yang; Isacoff, Ehud Y.; Flannery, John G.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Trauner, Dirk] Univ Munich, Dept Chem, Munich, Germany.
[Kramer, Richard; Isacoff, Ehud Y.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Dan, Yang] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Flannery, John G.] Univ Calif Berkeley, Sch Optometry, Berkeley, CA 94720 USA.
RP Flannery, JG (reprint author), Univ Calif Berkeley, Helen Wills Neurosci Inst, 112 Barker Hall, Berkeley, CA 94720 USA.
EM flannery@berkeley.edu
RI Dalkara, Deniz/D-5057-2017;
OI Dan, Yang/0000-0002-3818-877X
FU National Institutes of Health Nanomedicine Development Center for the
Optical Control of Biological Function [PN2EY018241]; Foundation for
Fighting Blindness
FX The authors would like to thank M. Visel and S. Wiese for technical
assistance, H. Aaron for help with microscopy, Support for this work was
from the National Institutes of Health Nanomedicine Development Center
for the Optical Control of Biological Function (PN2EY018241), The
Foundation for Fighting Blindness (individual grant to J.G.F.).
NR 47
TC 75
Z9 78
U1 1
U2 16
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1525-0016
J9 MOL THER
JI Mol. Ther.
PD JUL
PY 2011
VL 19
IS 7
BP 1212
EP 1219
DI 10.1038/mt.2011.103
PG 8
WC Biotechnology & Applied Microbiology; Genetics & Heredity; Medicine,
Research & Experimental
SC Biotechnology & Applied Microbiology; Genetics & Heredity; Research &
Experimental Medicine
GA 786HU
UT WOS:000292295900007
PM 21610698
ER
PT J
AU Handoko, L
Xu, H
Li, GL
Ngan, CY
Chew, E
Schnapp, M
Lee, CWH
Ye, CP
Ping, JLH
Mulawadi, F
Wong, E
Sheng, JP
Zhang, YB
Poh, T
Chan, CS
Kunarso, G
Shahab, A
Bourque, G
Cacheux-Rataboul, V
Sung, WK
Ruan, YJ
Wei, CL
AF Handoko, Lusy
Xu, Han
Li, Guoliang
Ngan, Chew Yee
Chew, Elaine
Schnapp, Marie
Lee, Charlie Wah Heng
Ye, Chaopeng
Ping, Joanne Lim Hui
Mulawadi, Fabianus
Wong, Eleanor
Sheng, Jianpeng
Zhang, Yubo
Poh, Thompson
Chan, Chee Seng
Kunarso, Galih
Shahab, Atif
Bourque, Guillaume
Cacheux-Rataboul, Valere
Sung, Wing-Kin
Ruan, Yijun
Wei, Chia-Lin
TI CTCF-mediated functional chromatin interactome in pluripotent cells
SO NATURE GENETICS
LA English
DT Article
ID EMBRYONIC STEM-CELLS; NUCLEAR LAMINA INTERACTIONS; RNA-POLYMERASE-II;
HUMAN GENOME; GENE-EXPRESSION; PROTEIN CTCF; CHIP-SEQ; INSULATOR;
DIFFERENTIATION; ORGANIZATION
AB Mammalian genomes are viewed as functional organizations that orchestrate spatial and temporal gene regulation. CTCF, the most characterized insulator-binding protein, has been implicated as a key genome organizer. However, little is known about CTCF-associated higher-order chromatin structures at a global scale. Here we applied chromatin interaction analysis by paired-end tag (ChIA-PET) sequencing to elucidate the CTCF-chromatin interactome in pluripotent cells. From this analysis, we identified 1,480 cis- and 336 trans-interacting loci with high reproducibility and precision. Associating these chromatin interaction loci with their underlying epigenetic states, promoter activities, enhancer binding and nuclear lamina occupancy, we uncovered five distinct chromatin domains that suggest potential new models of CTCF function in chromatin organization and transcriptional control. Specifically, CTCF interactions demarcate chromatin-nuclear membrane attachments and influence proper gene expression through extensive cross-talk between promoters and regulatory elements. This highly complex nuclear organization offers insights toward the unifying principles that govern genome plasticity and function.
C1 [Handoko, Lusy; Xu, Han; Li, Guoliang; Ngan, Chew Yee; Chew, Elaine; Schnapp, Marie; Lee, Charlie Wah Heng; Ye, Chaopeng; Ping, Joanne Lim Hui; Mulawadi, Fabianus; Wong, Eleanor; Zhang, Yubo; Poh, Thompson; Chan, Chee Seng; Shahab, Atif; Bourque, Guillaume; Cacheux-Rataboul, Valere; Sung, Wing-Kin; Ruan, Yijun; Wei, Chia-Lin] Genome Inst Singapore, Singapore, Singapore.
[Wong, Eleanor; Sung, Wing-Kin; Wei, Chia-Lin] Natl Univ Singapore, Singapore 117548, Singapore.
[Sheng, Jianpeng] Nanyang Technol Univ, Singapore, Singapore.
[Kunarso, Galih] Duke NUS Grad Med Sch Singapore, Singapore, Singapore.
RP Wei, CL (reprint author), Joint Genome Inst, Walnut Creek, CA 94598 USA.
EM ruanyj@gis.a-star.edu.sg; cwei@lbl.gov
RI Li, Guoliang/D-8014-2012; Xu, Han/H-1963-2012
OI Li, Guoliang/0000-0003-1601-6640;
FU Agency for Science, Technology and Research (A*STAR), Singapore; US
National Institutes of Health (NIH) [R01 HG004456-01, R01HG003521-01,
1U54HG004557-01]
FX We acknowledge the Genome Technology and Biology Group, particularly the
sequencing team, for technical support. We also thank C. Xi and H.H. Ng
who provided technical guidance for p300 ChIP optimization, M. Fullwood
and B. Han for their 4C assay protocol, L.M. Hui and E. Cheung for 3C
optimization and discussion, Z. Jingyao for BAC clone preparation and K.
Zawack for reading the manuscript. This work was supported by the Agency
for Science, Technology and Research (A*STAR), Singapore, and US
National Institutes of Health (NIH) ENCODE grants (R01 HG004456-01,
R01HG003521-01 and 1U54HG004557-01) to Y.R. and C.-L.W.
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PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1061-4036
J9 NAT GENET
JI Nature Genet.
PD JUL
PY 2011
VL 43
IS 7
BP 630
EP U198
DI 10.1038/ng.857
PG 11
WC Genetics & Heredity
SC Genetics & Heredity
GA 784UV
UT WOS:000292184600006
PM 21685913
ER
PT J
AU Moon, S
Chamberlain, CP
Blisniuk, K
Levine, N
Rood, DH
Hilley, GE
AF Moon, Seulgi
Chamberlain, C. Page
Blisniuk, Kimberly
Levine, Nathaniel
Rood, Dylan H.
Hilley, George E.
TI Climatic control of denudation in the deglaciated landscape of the
Washington Cascades
SO NATURE GEOSCIENCE
LA English
DT Article
ID EROSION RATES; COSMOGENIC NUCLIDES; MOUNTAIN-RANGES; SIERRA-NEVADA; USA;
GLACIATION; INCISION; SEDIMENT; HEIGHT; BE-10
AB Since the Last Glacial Maximum, the extent of glaciers in many mountainous regions has declined, and erosion driven by glacial processes has been supplanted by fluvial incision and mass wasting processes. This shift in the drivers of erosion is thought to have altered the rate and pattern of denudation of these landscapes. The Washington Cascades Mountains in the northwestern USA still bear the topographic imprint of Pleistocene glaciations, and are affected by large variations in precipitation, making them an ideal setting to assess the relative controls of denudation. Here we show that denudation rates over the past millennia, as determined by Be-10 exposure ages, range from 0.08 to 0.57 mm yr(-1), about four times higher than the rates inferred for million-year timescales. We find that the millennial timescale denudation rates increase linearly with modern precipitation rates. Based on our landscape analyses, we suggest that this relationship arises because intense precipitation triggers landslides, particularly on slopes that have been steepened by glacial erosion before or during the Last Glacial Maximum. We conclude that the high modern interglacial denudation rates we observe in the Washington Cascades are driven by a disequilibrium between the inherited topography and the current spatial distribution of erosional processes that makes this range particularly sensitive to spatial variations in climate.
C1 [Moon, Seulgi; Levine, Nathaniel; Hilley, George E.] Stanford Univ, Dept Geol & Environm Sci, Stanford, CA 94305 USA.
[Chamberlain, C. Page] Stanford Univ, Dept Environm Earth Syst Sci, Stanford, CA 94305 USA.
[Blisniuk, Kimberly] Univ Calif Davis, Dept Geol, Davis, CA 95616 USA.
[Rood, Dylan H.] Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94551 USA.
RP Moon, S (reprint author), Stanford Univ, Dept Geol & Environm Sci, Bldg 320,Room 306D,450 Serra Mall, Stanford, CA 94305 USA.
EM sgmoon@stanford.edu
OI Moon, Seulgi/0000-0001-5207-1781
FU Stanford Graduate Fellowship; Terman Fellowship
FX S. M. acknowledges the support of the Stanford Graduate Fellowship and
G. E. H. acknowledges the support of the Terman Fellowship. We thank T.
A. Ehlers, S. D. Willet, P. W. Reiners, and K. X. Whipple for thoughtful
comments.
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PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1752-0894
EI 1752-0908
J9 NAT GEOSCI
JI Nat. Geosci.
PD JUL
PY 2011
VL 4
IS 7
BP 469
EP 473
DI 10.1038/NGEO1159
PG 5
WC Geosciences, Multidisciplinary
SC Geology
GA 785PV
UT WOS:000292241900020
ER
PT J
AU Frank, AM
Monroe, ME
Shah, AR
Carver, JJ
Bandeira, N
Moore, RJ
Anderson, GA
Smith, RD
Pevzner, PA
AF Frank, Ari M.
Monroe, Matthew E.
Shah, Anuj R.
Carver, Jeremy J.
Bandeira, Nuno
Moore, Ronald J.
Anderson, Gordon A.
Smith, Richard D.
Pevzner, Pavel A.
TI Spectral archives: extending spectral libraries to analyze both
identified and unidentified spectra
SO NATURE METHODS
LA English
DT Article
ID TANDEM MASS-SPECTRA; POSTTRANSLATIONAL MODIFICATIONS; PEPTIDE
IDENTIFICATION; PROTEIN IDENTIFICATION; SPECTROMETRY DATA; PROTEOMICS;
SEARCH; ANNOTATION; THROUGHPUT; DISCOVERY
AB Tandem mass spectrometry (MS/MS) experiments yield multiple, nearly identical spectra of the same peptide in various laboratories, but proteomics researchers typically do not leverage the unidentified spectra produced in other labs to decode spectra they generate. We propose a spectral archives approach that clusters MS/MS datasets, representing similar spectra by a single consensus spectrum. Spectral archives extend spectral libraries by analyzing both identified and unidentified spectra in the same way and maintaining information about peptide spectra that are common across species and conditions. Thus archives offer both traditional library spectrum similarity-based search capabilities along with new ways to analyze the data. By developing a clustering tool, MS-Cluster, we generated a spectral archive from similar to 1.18 billion spectra that greatly exceeds the size of existing spectral repositories. We advocate that publicly available data should be organized into spectral archives rather than be analyzed as disparate datasets, as is mostly the case today.
C1 [Frank, Ari M.; Carver, Jeremy J.; Bandeira, Nuno; Pevzner, Pavel A.] Univ Calif San Diego, Dept Comp Sci & Engn, La Jolla, CA 92093 USA.
[Monroe, Matthew E.; Shah, Anuj R.; Moore, Ronald J.; Anderson, Gordon A.; Smith, Richard D.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Bandeira, Nuno] Univ Calif San Diego, Skaggs Sch Pharm & Pharmaceut Sci, La Jolla, CA 92093 USA.
RP Pevzner, PA (reprint author), Univ Calif San Diego, Dept Comp Sci & Engn, La Jolla, CA 92093 USA.
EM ppevzner@eng.ucsd.edu
RI Smith, Richard/J-3664-2012
OI Smith, Richard/0000-0002-2381-2349
FU National Center for Research Resources, US National Institutes of Health
[1-P41-RR024851]; National Center for Research Resources [RR18522]
FX We thank I. Kaufman for his assistance in running the experiments on the
computational grid. This work was supported by US National Institutes of
Health grant 1-P41-RR024851 from the National Center for Research
Resources. This work used measurements based upon capabilities developed
by the Department of Energy, Office of Biological and Environmental
Research, and National Center for Research Resources (grant RR18522)
conducted at the Environmental Molecular Sciences Laboratory, a national
scientific user facility located at Pacific Northwest National
Laboratory in Richland, Washington, USA.
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PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1548-7091
J9 NAT METHODS
JI Nat. Methods
PD JUL
PY 2011
VL 8
IS 7
BP 587
EP U101
DI 10.1038/NMETH.1609
PG 8
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 784YL
UT WOS:000292194500023
PM 21572408
ER
PT J
AU Roy, S
AF Roy, Sujoy
TI X-RAY PHOTONICS X-ray imaging goes broadband
SO NATURE PHOTONICS
LA English
DT News Item
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Roy, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM SRoy@lbl.gov
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U1 1
U2 7
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1749-4885
EI 1749-4893
J9 NAT PHOTONICS
JI Nat. Photonics
PD JUL
PY 2011
VL 5
IS 7
BP 390
EP 391
DI 10.1038/nphoton.2011.128
PG 3
WC Optics; Physics, Applied
SC Optics; Physics
GA 785PI
UT WOS:000292240600008
ER
PT J
AU Abbey, B
Whitehead, LW
Quiney, HM
Vine, DJ
Cadenazzi, GA
Henderson, CA
Nugent, KA
Balaur, E
Putkunz, CT
Peele, AG
Williams, GJ
McNulty, I
AF Abbey, Brian
Whitehead, Lachlan W.
Quiney, Harry M.
Vine, David J.
Cadenazzi, Guido A.
Henderson, Clare A.
Nugent, Keith A.
Balaur, Eugeniu
Putkunz, Corey T.
Peele, Andrew G.
Williams, G. J.
McNulty, I.
TI Lensless imaging using broadband X-ray sources
SO NATURE PHOTONICS
LA English
DT Article
ID RADIATION; MICROSCOPY; RESOLUTION
AB High-resolution X-ray imaging techniques using optical elements such as zone plates are widely used for viewing the internal structure of samples in exquisite detail. The resolution attainable is ultimately limited by the manufacturing tolerances for the optics. Combining ideas from crystallography and holography, this limit may be surpassed by the method of coherent diffractive imaging (CDI)(1). Although CDI shows particular promise in applications involving X-ray free-electron lasers(2), it is also emerging as an important new technique for imaging at third-generation synchrotrons. The limited coherent output of these sources, however, is a significant barrier to obtaining shorter exposure times. A fundamental assumption of coherent diffractive imaging is that the incident light is well-approximated by a single optical frequency. In this Letter, we demonstrate the first experimental realization of 'polyCDI', using a broadband source to achieve a factor of 60 reduction in the exposure time over quasi-monochromatic coherent diffractive imaging.
C1 [Abbey, Brian; Whitehead, Lachlan W.; Quiney, Harry M.; Vine, David J.; Cadenazzi, Guido A.; Henderson, Clare A.; Nugent, Keith A.] Univ Melbourne, Sch Phys, ARC Ctr Excellence Coherent Xray Sci, Melbourne, Vic 3010, Australia.
[Balaur, Eugeniu; Putkunz, Corey T.; Peele, Andrew G.] La Trobe Univ, Dept Phys, ARC Ctr Excellence Coherent Xray Sci, Bundoora, Vic 3086, Australia.
[Williams, G. J.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[McNulty, I.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Nugent, KA (reprint author), Univ Melbourne, Sch Phys, ARC Ctr Excellence Coherent Xray Sci, Melbourne, Vic 3010, Australia.
EM keithan@unimelb.edu.au
RI Williams, Garth/H-1606-2012; Nugent, Keith/J-2699-2012; Abbey,
Brian/D-3274-2011; Nugent, Keith/I-4154-2016; Balaur,
Eugeniu/J-5865-2016;
OI Nugent, Keith/0000-0003-1522-8991; Abbey, Brian/0000-0001-6504-0503;
Nugent, Keith/0000-0002-4281-3478; Balaur, Eugeniu/0000-0003-4029-2055;
Henderson, Clare/0000-0002-4020-0854
FU Australian Research Council Centre of Excellence; Australian Synchrotron
Research Program; US Department of Energy, Office of Science, Office of
Basic Energy Sciences [DE-AC02-06CH11357]
FX The authors acknowledge the support of the Australian Research Council
Centre of Excellence for Coherent x-ray Science and the Australian
Synchrotron Research Program. Use of the Advanced Photon Source was
supported by the US Department of Energy, Office of Science, Office of
Basic Energy Sciences (contract no. DE-AC02-06CH11357).
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PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1749-4885
J9 NAT PHOTONICS
JI Nat. Photonics
PD JUL
PY 2011
VL 5
IS 7
BP 420
EP 424
DI 10.1038/NPHOTON.2011.125
PG 5
WC Optics; Physics, Applied
SC Optics; Physics
GA 785PI
UT WOS:000292240600017
ER
PT J
AU Daughton, W
Roytershteyn, V
Karimabadi, H
Yin, L
Albright, BJ
Bergen, B
Bowers, KJ
AF Daughton, W.
Roytershteyn, V.
Karimabadi, H.
Yin, L.
Albright, B. J.
Bergen, B.
Bowers, K. J.
TI Role of electron physics in the development of turbulent magnetic
reconnection in collisionless plasmas
SO NATURE PHYSICS
LA English
DT Article
ID FLUX-TRANSFER EVENTS; GUIDE-FIELD; MAGNETOPAUSE; ONSET; INSTABILITIES;
SIMULATIONS; THRESHOLD; MODES; SHEET
AB Magnetic reconnection releases energy explosively as field lines break and reconnect in plasmas ranging from the Earth's magnetosphere to solar eruptions and astrophysical applications. Collisionless kinetic simulations have shown that this process involves both ion and electron kinetic-scale features, with electron current layers forming nonlinearly during the onset phase and playing an important role in enabling field lines to break(1-4). In larger two-dimensional studies, these electron current layers become highly extended, which can trigger the formation of secondary magnetic islands(5-10), but the influence of realistic three-dimensional dynamics remains poorly understood. Here we show that, for the most common type of reconnection layer with a finite guide field, the three-dimensional evolution is dominated by the formation and interaction of helical magnetic structures known as flux ropes. In contrast to previous theories(11), the majority of flux ropes are produced by secondary instabilities within the electron layers. New flux ropes spontaneously appear within these layers, leading to a turbulent evolution where electron physics plays a central role.
C1 [Daughton, W.; Roytershteyn, V.; Yin, L.; Albright, B. J.; Bergen, B.; Bowers, K. J.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Karimabadi, H.] Univ Calif San Diego, La Jolla, CA 92093 USA.
RP Daughton, W (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM daughton@lanl.gov
RI Daughton, William/L-9661-2013;
OI Roytershteyn, Vadim/0000-0003-1745-7587; Albright,
Brian/0000-0002-7789-6525; Yin, Lin/0000-0002-8978-5320
FU US Department of Energy; NASA; NSF [ATM 0802380]
FX We gratefully acknowledge support from the US Department of Energy
through the LANL/LDRD Program and through the Advanced Simulation and
Computing program for access to Roadrunner computing resources.
Simulations carried out on Kraken were supported by an allocation of
advanced computing resources provided by the National Science Foundation
at the National Institute for Computational Sciences
(http://www.nics.tennessee.edu/). Contributions from H. K. were
supported by NASA through the Heliophysics Theory Program and NSF
through ATM 0802380. We thank K. Quest and J. T. Gosling for discussions
and P. Fasel, J. Patchett, J. Ahrens, B. Loring, B. Geveci and D.
Partyka for assistance with interfacing the simulation data with
ParaView visualization software.
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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 JUL
PY 2011
VL 7
IS 7
BP 539
EP 542
DI 10.1038/NPHYS1965
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 786FY
UT WOS:000292290000011
ER
PT J
AU Andresen, GB
Ashkezari, MD
Baquero-Ruiz, M
Bertsche, W
Bowe, PD
Butler, E
Cesar, CL
Charlton, M
Deller, A
Eriksson, S
Fajans, J
Friesen, T
Fujiwara, MC
Gill, DR
Gutierrez, A
Hangst, JS
Hardy, WN
Hayano, RS
Hayden, ME
Humphries, AJ
Hydomako, R
Jonsell, S
Kemp, SL
Kurchaninov, L
Madsen, N
Menary, S
Nolan, P
Olchanski, K
Olin, A
Pusa, P
Rasmussen, CO
Robicheaux, F
Sarid, E
Silveira, DM
So, C
Storey, JW
Thompson, RI
van der Werf, DP
Wurtele, JS
Yamazaki, Y
AF Andresen, G. B.
Ashkezari, M. D.
Baquero-Ruiz, M.
Bertsche, W.
Bowe, P. D.
Butler, E.
Cesar, C. L.
Charlton, M.
Deller, A.
Eriksson, S.
Fajans, J.
Friesen, T.
Fujiwara, M. C.
Gill, D. R.
Gutierrez, A.
Hangst, J. S.
Hardy, W. N.
Hayano, R. S.
Hayden, M. E.
Humphries, A. J.
Hydomako, R.
Jonsell, S.
Kemp, S. L.
Kurchaninov, L.
Madsen, N.
Menary, S.
Nolan, P.
Olchanski, K.
Olin, A.
Pusa, P.
Rasmussen, C. O.
Robicheaux, F.
Sarid, E.
Silveira, D. M.
So, C.
Storey, J. W.
Thompson, R. I.
van der Werf, D. P.
Wurtele, J. S.
Yamazaki, Y.
CA ALPHA Collaboration
TI Confinement of antihydrogen for 1,000 seconds
SO NATURE PHYSICS
LA English
DT Article
ID TRAPPED NEUTRAL ATOMS; MAGNETIC TRAP; HYDROGEN; ALPHA; SPECTROSCOPY;
EXCITATION; CAPTURE; PLASMAS; LASER; H-2
AB Atoms made of a particle and an antiparticle are unstable, usually surviving less than a microsecond. Antihydrogen, made entirely of antiparticles, is believed to be stable, and it is this longevity that holds the promise of precision studies of matter-antimatter symmetry. We have recently demonstrated trapping of antihydrogen atoms by releasing them after a confinement time of 172 ms. A critical question for future studies is: how long can anti-atoms be trapped? Here, we report the observation of anti-atom confinement for 1,000 s, extending our earlier results by nearly four orders of magnitude. Our calculations indicate that most of the trapped anti-atoms reach the ground state. Further, we report the first measurement of the energy distribution of trapped antihydrogen, which, coupled with detailed comparisons with simulations, provides a key tool for the systematic investigation of trapping dynamics. These advances open up a range of experimental possibilities, including precision studies of charge-parity-time reversal symmetry and cooling to temperatures where gravitational effects could become apparent.
C1 [Friesen, T.; Fujiwara, M. C.; Hydomako, R.; Thompson, R. I.] Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada.
[Andresen, G. B.; Bowe, P. D.; Hangst, J. S.; Rasmussen, C. O.] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark.
[Ashkezari, M. D.; Hayden, M. E.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Baquero-Ruiz, M.; Fajans, J.; So, C.; Wurtele, J. S.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Bertsche, W.; Charlton, M.; Deller, A.; Eriksson, S.; Humphries, A. J.; Madsen, N.; van der Werf, D. P.] Swansea Univ, Dept Phys, Swansea SA2 8PP, W Glam, Wales.
[Butler, E.; Kemp, S. L.] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland.
[Cesar, C. L.] Univ Fed Rio de Janeiro, Inst Fis, BR-21941972 Rio De Janeiro, Brazil.
[Fajans, J.; Wurtele, J. S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Fujiwara, M. C.; Gill, D. R.; Kurchaninov, L.; Olchanski, K.; Olin, A.; Storey, J. W.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Gutierrez, A.; Hardy, W. N.] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
[Hayano, R. S.] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan.
[Menary, S.] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada.
[Jonsell, S.] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
[Nolan, P.; Pusa, P.] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England.
[Olin, A.] Univ Victoria, Dept Phys & Astron, Victoria, BC V8P 5C2, Canada.
[Robicheaux, F.] Auburn Univ, Dept Phys, Auburn, AL 36849 USA.
[Sarid, E.] NRCN, Dept Phys, IL-84190 Beer Sheva, Israel.
[Silveira, D. M.; Yamazaki, Y.] RIKEN, Atom Phys Lab, Saitama 3510198, Japan.
[Yamazaki, Y.] Univ Tokyo, Grad Sch Arts & Sci, Tokyo 1538902, Japan.
RP Fujiwara, MC (reprint author), Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada.
RI Bertsche, William/A-3678-2012; Madsen, Niels/G-3548-2013; Robicheaux,
Francis/F-4343-2014; Hayano, Ryugo/F-7889-2012; Jonsell,
Svante/J-2251-2016; wurtele, Jonathan/J-6278-2016; Fajans,
Joel/J-6597-2016; Yamazaki, Yasunori/N-8018-2015;
OI Butler, Eoin/0000-0003-0947-7166; Andresen, Gorm
Bruun/0000-0002-4820-020X; Deller, Adam/0000-0002-3430-1501; Bertsche,
William/0000-0002-6565-9282; Madsen, Niels/0000-0002-7372-0784;
Robicheaux, Francis/0000-0002-8054-6040; Hayano,
Ryugo/0000-0002-1214-7806; Jonsell, Svante/0000-0003-4969-1714; wurtele,
Jonathan/0000-0001-8401-0297; Fajans, Joel/0000-0002-4403-6027;
Yamazaki, Yasunori/0000-0001-5712-0853; van der Werf,
Dirk/0000-0001-5436-5214
FU CNPq; FINEP/RENAFAE (Brazil); NSERC; NRC/TRIUMF; AIF; FQRNT (Canada);
FNU (Denmark); ISF (Israel); MEXT (Japan); VR (Sweden); EPSRC; Royal
Society; Leverhulme Trust (UK); DOE; NSF (USA)
FX This work was supported in part by CNPq, FINEP/RENAFAE (Brazil), NSERC,
NRC/TRIUMF, AIF, FQRNT (Canada), FNU (Denmark), ISF (Israel), MEXT
(Japan), VR (Sweden), EPSRC, the Royal Society and the Leverhulme Trust
(UK) and DOE, NSF (USA). We are grateful to the AD team for the delivery
of a high-quality antiproton beam.
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PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
J9 NAT PHYS
JI Nat. Phys.
PD JUL
PY 2011
VL 7
IS 7
BP 558
EP 564
DI 10.1038/NPHYS2025
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 786FY
UT WOS:000292290000015
ER
PT J
AU Theis, T
Ganssle, P
Kervern, G
Knappe, S
Kitching, J
Ledbetter, MP
Budker, D
Pines, A
AF Theis, T.
Ganssle, P.
Kervern, G.
Knappe, S.
Kitching, J.
Ledbetter, M. P.
Budker, D.
Pines, A.
TI Parahydrogen-enhanced zero-field nuclear magnetic resonance
SO NATURE PHYSICS
LA English
DT Article
ID ATOMIC MAGNETOMETER; PARA-HYDROGEN; POLARIZATION TRANSFER; SPIN ISOMERS;
NMR; SEPARATION; CONVERSION; ETHYLENE; ORDER
AB Nuclear magnetic resonance, conventionally detected in magnetic fields of several tesla, is a powerful analytical tool for the determination of molecular identity, structure and function. With the advent of prepolarization methods and detection schemes using atomic magnetometers or superconducting quantum interference devices, interest in NMR in fields comparable to the Earth's magnetic field and below (down to zero field) has been revived. Despite the use of superconducting quantum interference devices or atomic magnetometers, low-field NMR typically suffers from low sensitivity compared with conventional high-field NMR. Here we demonstrate direct detection of zero-field NMR signals generated through parahydrogen-induced polarization, enabling high-resolution NMR without the use of any magnets. The sensitivity is sufficient to observe spectra exhibiting (13)C-(1)H scalar nuclear spin-spin couplings (known as J couplings) in compounds with (13)C in natural abundance, without the need for signal averaging. The resulting spectra show distinct features that aid chemical fingerprinting.
C1 [Theis, T.; Ganssle, P.; Kervern, G.; Pines, A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Theis, T.; Ganssle, P.; Kervern, G.; Pines, A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Knappe, S.; Kitching, J.] NIST, Time & Frequency Div, Boulder, CO 80305 USA.
[Ledbetter, M. P.; Budker, D.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Budker, D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Pines, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
EM pines@berkeley.edu
RI Theis, Thomas/J-2304-2014; Budker, Dmitry/F-7580-2016
OI Theis, Thomas/0000-0001-6779-9978; Budker, Dmitry/0000-0002-7356-4814
FU US Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering [DE-AC02-05CH11231]; National Science
Foundation [CHE-0957655]; National Institute of Standards and Technology
FX Research was supported by the US Department of Energy, Office of Basic
Energy Sciences, Division of Materials Sciences and Engineering under
Contract no DE-AC02-05CH11231 (T. T., P. G., G. K. and A. P.), by the
National Science Foundation under award noCHE-0957655 (D. B. and M. P.
L.) and by the National Institute of Standards and Technology (S. K. and
J.K.). We acknowledge discussions with M. Levitt and magnetometer-cell
fabrication help from S. Schima.
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U1 1
U2 40
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
J9 NAT PHYS
JI Nat. Phys.
PD JUL
PY 2011
VL 7
IS 7
BP 571
EP 575
DI 10.1038/NPHYS1986
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 786FY
UT WOS:000292290000017
ER
PT J
AU Landau, SM
Harvey, D
Madison, CM
Koeppe, RA
Reiman, EM
Foster, NL
Weiner, MW
Jagust, WJ
AF Landau, Susan M.
Harvey, Danielle
Madison, Cindee M.
Koeppe, Robert A.
Reiman, Eric M.
Foster, Norman L.
Weiner, Michael W.
Jagust, William J.
CA Alzheimer's Dis Neuroimaging Initi
TI Associations between cognitive, functional, and FDG-PET measures of
decline in AD and MCI
SO NEUROBIOLOGY OF AGING
LA English
DT Article
DE FDG-PET; Alzheimer's disease; Mild cognitive impairment
ID RANDOM-EFFECTS MODELS; ALZHEIMERS-DISEASE; GLUCOSE-METABOLISM;
IMPAIRMENT; PROGRESSION; DEMENTIA; TOMOGRAPHY; PREDICTION; DIAGNOSIS;
TRIALS
AB The Functional Activities Questionnaire (FAQ) and Alzheimer's Disease Assessment Scale-cognitive subscale (ADAS-cog) are frequently used indices of cognitive decline in Alzheimer's disease (AD). The goal of this study was to compare FDG-PET and clinical measurements in a large sample of elderly subjects with memory disturbance. We examined relationships between glucose metabolism in FDG-PET regions of interest (FDG-ROIs), and ADAS-cog and FAQ scores in AD and mild cognitive impairment (MCI) patients enrolled in the Alzheimer's Disease Neuroimaging Initiative (ADNI). Low glucose metabolism at baseline predicted subsequent ADAS-cog and FAQ decline. In addition, longitudinal glucose metabolism decline was associated with concurrent ADAS-cog and FAQ decline. Finally, a power analysis revealed that FDG-ROI values have greater statistical power than ADAS-cog to detect attenuation of cognitive decline in AD and MCI patients. Glucose metabolism is a sensitive measure of change in cognition and functional ability in AD and MCI, and has value in predicting future cognitive decline. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Landau, Susan M.; Madison, Cindee M.; Jagust, William J.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
[Harvey, Danielle] Univ Calif Davis, Sch Med, Davis, CA 95616 USA.
[Koeppe, Robert A.] Univ Michigan, Sch Med, Ann Arbor, MI 48109 USA.
[Reiman, Eric M.] Banner Alzheimers Inst, Phoenix, AZ 85006 USA.
[Foster, Norman L.] Univ Utah, Dept Neurol, Salt Lake City, UT 84108 USA.
[Weiner, Michael W.] San Francisco Vet Adm Hosp, San Francisco, CA 94121 USA.
[Jagust, William J.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Landau, SM (reprint author), 118 Barker Hall,MC 3190, Uc Berkeley, CA 94720 USA.
EM slandau@berkeley.edu
RI Scharre, Douglas/E-4030-2011
FU NIH [U01 AG024904]
FX This study was supported by NIH grant U01 AG024904.
NR 33
TC 181
Z9 184
U1 2
U2 22
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0197-4580
J9 NEUROBIOL AGING
JI Neurobiol. Aging
PD JUL
PY 2011
VL 32
IS 7
BP 1207
EP 1218
DI 10.1016/j.neurobiolaging.2009.07.002
PG 12
WC Geriatrics & Gerontology; Neurosciences
SC Geriatrics & Gerontology; Neurosciences & Neurology
GA 785QX
UT WOS:000292244900007
PM 19660834
ER
PT J
AU Battaglia, DJ
Bongard, MW
Fonck, RJ
Redd, AJ
AF Battaglia, D. J.
Bongard, M. W.
Fonck, R. J.
Redd, A. J.
TI Tokamak startup using outboard current injection on the Pegasus Toroidal
Experiment
SO NUCLEAR FUSION
LA English
DT Article
ID HELICITY INJECTION; CURRENT DRIVE; MAGNETIC HELICITY; PLASMAS;
OPERATION; MAST
AB Localized current injection near the outboard midplane is used to form 0.1MA plasma discharges with no induction supplied from a central solenoid in the ultra-low aspect ratio Pegasus Toroidal Experiment. The discharges are initiated by driving open-field-line currents that perturb the vacuum magnetic field such that the magnetic topology transitions to a tokamak-like configuration. The plasma is subsequently driven via helicity injection from the edge current sources and poloidal field induction. Intermittent n = 1 MHD activity is observed during periods of strong edge current drive and each event leads to a rapid inward expansion of the plasma volume and a drop in the plasma inductance. The plasmas are sufficiently turbulent such that the equilibrium approaches the lowest energy state described by Taylor relaxation theory. In agreement with that theory, the maximum I-p scales with (ITFIinj/w)(1/2), where I-TF is the toroidal field rod current, I-inj is the injected edge current and w is the radial width of the average poloidal magnetic flux in the driven open flux region.
C1 [Battaglia, D. J.; Bongard, M. W.; Fonck, R. J.; Redd, A. J.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
RP Battaglia, DJ (reprint author), US DOE Fus Energy Sci, Washington, DC 20585 USA.
EM dbattagl@pppl.gov
FU US DOE [DE-FG02-96ER54375]
FX The authors thank E. Hinson, J. Cole, A. Robinson and A. Wiersma for
their assistance with Pegasus operations and G. Winz, B. Lewicki and B.
Kujak-Ford for the design and construction of the plasma gun system.
This work is supported by US DOE Grant DE-FG02-96ER54375.
NR 33
TC 12
Z9 12
U1 0
U2 8
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
EI 1741-4326
J9 NUCL FUSION
JI Nucl. Fusion
PD JUL
PY 2011
VL 51
IS 7
AR 073029
DI 10.1088/0029-5515/51/7/073029
PG 10
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300031
ER
PT J
AU Beidler, CD
Allmaier, K
Isaev, MY
Kasilov, SV
Kernbichler, W
Leitold, GO
Maassberg, H
Mikkelsen, DR
Murakami, S
Schmidt, M
Spong, DA
Tribaldos, V
Wakasa, A
AF Beidler, C. D.
Allmaier, K.
Isaev, M. Yu
Kasilov, S. V.
Kernbichler, W.
Leitold, G. O.
Maassberg, H.
Mikkelsen, D. R.
Murakami, S.
Schmidt, M.
Spong, D. A.
Tribaldos, V.
Wakasa, A.
TI Benchmarking of the mono-energetic transport coefficients-results from
the International Collaboration on Neoclassical Transport in
Stellarators (ICNTS)
SO NUCLEAR FUSION
LA English
DT Article
ID LARGE HELICAL DEVICE; TOROIDAL CONFINEMENT SYSTEMS;
MONTE-CARLO-SIMULATION; BOOTSTRAP CURRENT; ENERGY CONFINEMENT; PARTICLE
CONFINEMENT; RIPPLE TRANSPORT; PLASMA TRANSPORT; PHYSICS ISSUES;
ASPECT-RATIO
AB Numerical results for the three mono-energetic transport coefficients required for a complete neoclassical description of stellarator plasmas have been benchmarked within an international collaboration. These transport coefficients are flux-surface-averaged moments of solutions to the linearized drift kinetic equation which have been determined using field-line-integration techniques, Monte Carlo simulations, a variational method employing Fourier-Legendre test functions and a finite-difference scheme. The benchmarking has been successfully carried out for past, present and future devices which represent different optimization strategies within the extensive configuration space available to stellarators. A qualitative comparison of the results with theoretical expectations for simple model fields is provided. The behaviour of the results for the mono-energetic radial and parallel transport coefficients can be largely understood from such theoretical considerations but the mono-energetic bootstrap current coefficient exhibits characteristics which have not been predicted.
C1 [Beidler, C. D.; Maassberg, H.; Schmidt, M.] IPP EURATOM Assoc, Max Planck Inst Plasmaphys, Greifswald, Germany.
[Allmaier, K.; Kasilov, S. V.; Kernbichler, W.; Leitold, G. O.] Graz Univ Technol, OAW EURATOM Assoc, A-8010 Graz, Austria.
[Isaev, M. Yu] Russian Res Ctr Kurchatov Inst, Nucl Fus Inst, Moscow, Russia.
[Kasilov, S. V.] NSC Kharkov Inst Phys & Technol, Inst Plasma Phys, Kharkov, Ukraine.
[Mikkelsen, D. R.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Murakami, S.; Wakasa, A.] Kyoto Univ, Dept Nucl Engn, Kyoto 606, Japan.
[Spong, D. A.] Oak Ridge Natl Lab, Fus Energy Theory Grp, Oak Ridge, TN 37831 USA.
[Tribaldos, V.] Univ Carlos III Madrid, Dept Fis, Leganes, Spain.
RP Beidler, CD (reprint author), IPP EURATOM Assoc, Max Planck Inst Plasmaphys, Greifswald, Germany.
EM craig.beidler@ipp.mpg.de
RI Spong, Donald/C-6887-2012; Tribaldos, Victor/K-4299-2012; Murakami,
Sadayoshi/A-2191-2016; Isaev, Maxim/A-7910-2012
OI Spong, Donald/0000-0003-2370-1873; Tribaldos,
Victor/0000-0002-8683-9338; Murakami, Sadayoshi/0000-0002-2526-7137;
Isaev, Maxim/0000-0002-8492-0650
FU Austrian Science Foundation, FWF [P16797-N08]; Leading Scientific
Schools [N 2024.2003.2]; Russian Fund for Basic Research [N
03-02-16768]; Department of Atomic Science and Technology, RosAtom,
Russian Federation; Fonds National Suisse pour la Recherche
Scientifique; United States Department of Energy [DE-AC02-09CH11466,
DE-AC05-00OR22725]; MICINN [ENE 2009-12213-C03-03/FTN]; IPP-EURATOM;
OAW-EURATOM; EURATOM-CIEMAT; [WTZ-RUS-01-581]
FX This work was supported in part by:; the Austrian Science Foundation,
FWF, under contract number P16797-N08,; the Russian-German Agreement
WTZ-RUS-01-581,; the Russian Federal Programme for the Support of
Leading Scientific Schools, Grant N 2024.2003.2,; the Russian Fund for
Basic Research, Grant N 03-02-16768,; the Department of Atomic Science
and Technology, RosAtom, Russian Federation,; the Fonds National Suisse
pour la Recherche Scientifique,; the United States Department of Energy
under contract DE-AC02-09CH11466,; the United States Department of
Energy under contract DE-AC05-00OR22725 with UT-Battelle, LLC,; the
Spanish project MICINN ENE 2009-12213-C03-03/FTN,; the Associations
IPP-EURATOM, OAW-EURATOM and EURATOM-CIEMAT (the content of this
publication is the sole responsibility of its authors and does not
necessarily represent the views of the European Commission or its
services).
NR 88
TC 39
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U1 2
U2 7
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
EI 1741-4326
J9 NUCL FUSION
JI Nucl. Fusion
PD JUL
PY 2011
VL 51
IS 7
AR 076001
DI 10.1088/0029-5515/51/7/076001
PG 28
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300049
ER
PT J
AU Buttery, RJ
Gerhardt, S
La Haye, RJ
Liu, YQ
Reimerdes, H
Sabbagh, S
Chu, MS
Osborne, TH
Park, JK
Pinsker, RI
Strait, EJ
Yu, JH
AF Buttery, R. J.
Gerhardt, S.
La Haye, R. J.
Liu, Y. Q.
Reimerdes, H.
Sabbagh, S.
Chu, M. S.
Osborne, T. H.
Park, J. -K.
Pinsker, R. I.
Strait, E. J.
Yu, J. H.
CA DIII-D Team
NSTX Team
TI The impact of 3D fields on tearing mode stability of H-modes
SO NUCLEAR FUSION
LA English
DT Article
ID ERROR-FIELD; DIII-D; PLASMAS; STABILIZATION; TOKAMAK; BETA;
PERTURBATIONS; INSTABILITY; ROTATION; JET
AB New processes have been discovered in the interaction of 3D fields with tearing mode stability at low torque and modest beta on DIII-D and NSTX. These are thought to arise from the plasma response at the tearing resonant surface, which theoretically is expected to depend strongly on plasma rotation and underlying intrinsic tearing stability. This leads to sensitivities additional to those previously identified at low density where the plasma rotation is more readily stopped, or at high beta(N) where ideal MHD responses amplify the fields (where beta(N) is the plasma beta divided by the ratio of plasma current to minor radius multiplied by toroidal field). It is found that the threshold size for 3D fields to induce modes tends to zero as the natural tearing beta(N) limit is approached. 3D field sensitivity is further enhanced at low rotation, with magnetic probing detecting an increased response to applied fields in such regimes. Modelling with the MARS-F code confirms the interpretation with the usual plasma screening response breaking down in low rotation plasmas and a tearing response developing, opening the door to additional sensitivities to beta and the current profile. Typical field thresholds to induce modes in torque-free beta(N) similar to 1.5 H-modes are well below those in ohmic plasmas or plasmas near the ideal beta(N) limit. The strong interaction with the tearing mode beta(N) limit is identified through rotation shear, which is decreased by the 3D field, leading to decreased tearing stability. Thus both locked and rotating mode field thresholds can be considered in terms of a torque balance, with sufficient braking leading to destabilization of a mode. On this basis new measurements of the principal parameter scalings for error field threshold have been obtained in torque-free H-modes leading to new predictions for error field sensitivity in ITER. The scalings have similar exponents to ohmic plasmas, but with seven times lower threshold at the ITER baseline beta(N) value of 1.8, and a linear dependence on proximity to the tearing mode beta(N) limit (similar to 2.2 at zero torque). This reinforces the need to optimize error field correction strategies in ITER, and implement sources to drive plasma rotation.
C1 [Buttery, R. J.; La Haye, R. J.; Chu, M. S.; Osborne, T. H.; Pinsker, R. I.; Strait, E. J.] Gen Atom Co, San Diego, CA 92186 USA.
[Gerhardt, S.; Park, J. -K.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Liu, Y. Q.] Culham Sci Ctr, EURATOM CCFE Fus Assoc, Abingdon OX14 3DB, Oxon, England.
[Reimerdes, H.; Sabbagh, S.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
[Yu, J. H.] Univ Calif San Diego, Energy Res Ctr, La Jolla, CA 92093 USA.
RP Buttery, RJ (reprint author), Gen Atom Co, POB 85608, San Diego, CA 92186 USA.
EM buttery@fusion.gat.com
FU US Department of Energy [DE-FC02-04ER54698, DE-AC02-09CH11466,
DE-FG02-04ER54461, DE-FG02-07ER54917]
FX This work was supported in part by the US Department of Energy under
DE-FC02-04ER54698, DE-AC02-09CH11466, DE-FG02-04ER54461 and
DE-FG02-07ER54917.
NR 27
TC 18
Z9 18
U1 1
U2 9
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 JUL
PY 2011
VL 51
IS 7
AR 073016
DI 10.1088/0029-5515/51/7/073016
PG 12
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300018
ER
PT J
AU Gerhardt, SP
Gates, DA
Kaye, SM
Maingi, R
Menard, JE
Sabbagh, SA
Soukhanovskii, V
Bell, MG
Bell, RE
Canik, JM
Fredrickson, E
Kaita, R
Kolemen, E
Kugel, H
Le Blanc, BP
Mastrovito, D
Mueller, D
Yuh, H
AF Gerhardt, S. P.
Gates, D. A.
Kaye, S. M.
Maingi, R.
Menard, J. E.
Sabbagh, S. A.
Soukhanovskii, V.
Bell, M. G.
Bell, R. E.
Canik, J. M.
Fredrickson, E.
Kaita, R.
Kolemen, E.
Kugel, H.
Le Blanc, B. P.
Mastrovito, D.
Mueller, D.
Yuh, H.
TI Recent progress towards an advanced spherical torus operating point in
NSTX
SO NUCLEAR FUSION
LA English
DT Article
ID RESISTIVE WALL MODE; LOW-ASPECT-RATIO; TOROIDAL-MOMENTUM DISSIPATION;
HIGH-BETA PLASMAS; BOOTSTRAP-CURRENT; TOKAMAK PLASMAS; STEADY-STATE;
DIII-D; PRESSURE PROFILE; STABILITY LIMITS
AB Progress in the development of integrated advanced ST plasma scenarios in NSTX (Ono et al 2000 Nucl. Fusion 40 557) is reported. Recent high-performance plasmas in NSTX following lithium coating of the plasma facing surfaces have achieved higher elongation and lower internal inductance than previously. Analysis of the thermal confinement in these lithiumized discharges shows a stronger plasma current and weaker toroidal field dependence than in previous ST confinement scaling studies; the ITER-98(y, 2) scaling expression describes these scenarios reasonably well. Analysis during periods free of MHD activity has shown that the reconstructed current profile can be understood as the sum of pressure driven, inductive and neutral beam driven currents, without requiring any anomalous fast-ion transport. Non-inductive fractions of 65-70%, and beta(P) > 2, have been achieved at lower plasma current. Some of these low-inductance discharges have a significantly reduced no-wall beta(N) limit, and often have beta(N) at or near the with-wall limit. Coupled m/n = 1/1 + 2/1 kink/tearing modes can limit the sustained beta values when rapidly growing ideal modes are avoided. A beta(N) controller has been commissioned and utilized in sustaining high-performance plasmas. 'Snowflake' divertors compatible with high-performance plasmas have been developed. Scenarios with significantly larger aspect ratios have also been developed, in support of next-step ST devices. Overall, these NSTX plasmas have many characteristics required for next-step ST devices.
C1 [Gerhardt, S. P.; Gates, D. A.; Kaye, S. M.; Menard, J. E.; Bell, M. G.; Bell, R. E.; Fredrickson, E.; Kaita, R.; Kolemen, E.; Kugel, H.; Le Blanc, B. P.; Mastrovito, D.; Mueller, D.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Maingi, R.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Sabbagh, S. A.; Canik, J. M.] Columbia Univ, Dept Appl Phys, New York, NY 10027 USA.
[Soukhanovskii, V.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Yuh, H.] Nova Photon, Princeton, NJ 08540 USA.
RP Gerhardt, SP (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM sgerhard@pppl.gov
OI Canik, John/0000-0001-6934-6681; Menard, Jonathan/0000-0003-1292-3286
FU United States Department of Energy [DE-AC02-09CH11466]
FX The authors would like to thank the members of the NB operations team
for their help with the betaN feedback system, and the NSTX
engineering and operations teams for their support. This research was
funded by the United States Department of Energy under contract
DE-AC02-09CH11466.
NR 113
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U1 2
U2 8
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
EI 1741-4326
J9 NUCL FUSION
JI Nucl. Fusion
PD JUL
PY 2011
VL 51
IS 7
AR 073031
DI 10.1088/0029-5515/51/7/073031
PG 21
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300033
ER
PT J
AU Kim, SS
Jhang, H
Diamond, PH
Terzolo, L
Yi, S
Hahm, TS
AF Kim, S. S.
Jhang, Hogun
Diamond, P. H.
Terzolo, L.
Yi, S.
Hahm, T. S.
TI Intrinsic rotation, hysteresis and back transition in reversed shear
internal transport barriers
SO NUCLEAR FUSION
LA English
DT Article
ID ALCATOR C-MOD; H-MODE; CONFINEMENT BIFURCATION; TOROIDAL ROTATION;
PLASMA ROTATION; DIII-D; TOKAMAK; SIMULATIONS; MOMENTUM; DISCHARGES
AB A study of intrinsic rotation and hysteresis in ion thermal internal transport barrier (ITB) is presented. Global flux-driven gyrofluid simulations are performed. It is found that significant co-current intrinsic rotation (0.1 less than or similar to M-th less than or similar to 0.2, where M-th is the thermal Mach number) can be produced in ITB plasmas. Exploration of the relationship between the intrinsic rotation and the ITB temperature gradient leads to a novel scaling of intrinsic rotation in ITB plasmas. Long time power ramp simulations with self-consistently evolving profiles clearly demonstrate the existence of hysteresis in reversed shear ITBs. It is shown that intrinsic rotation plays an important role in ITB dynamics and is responsible for determining unique properties of ITB hysteresis. A negative feedback mechanism based on destruction of E x B shear prevails in barrier back transition, triggered by an outward momentum transport event during the power ramp down.
C1 [Kim, S. S.; Jhang, Hogun; Diamond, P. H.; Terzolo, L.; Yi, S.] Natl Fus Res Inst, Taejon, South Korea.
[Diamond, P. H.] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA.
[Diamond, P. H.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
[Hahm, T. S.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Kim, SS (reprint author), Natl Fus Res Inst, 52 Yeoeun Dong, Taejon, South Korea.
EM sskim@nfri.re.kr
FU Ministry of Education, Science and Technology of Korea [2009-0001]; US
DOE [DE-FC02-08ER54959]; J.-I.G. Foundation for Cutting Edge Research
FX This research was supported by the Ministry of Education, Science and
Technology of Korea via WCI project 2009-0001, by the US DOE Contract No
DE-FC02-08ER54959, and the J.-I.G. Foundation for Cutting Edge Research.
The authors are grateful to Dr X. Garbet for providing the TRB code and
useful discussions, and to Drs G. Dif-Pradalier, C. L. Fiore, O.D.
Gurcan, F.L. Hinton, K. Ida, J.Y. Kim, J.M. Kwon, C.J. McDevitt, K.
Miki, J.E. Rice, W. M. Solomon and M. Yoshida for useful conversations.
NR 53
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U1 0
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PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
EI 1741-4326
J9 NUCL FUSION
JI Nucl. Fusion
PD JUL
PY 2011
VL 51
IS 7
AR 073021
DI 10.1088/0029-5515/51/7/073021
PG 14
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300023
ER
PT J
AU Liu, W
Hsu, SC
AF Liu, Wei
Hsu, Scott C.
TI Ideal magnetohydrodynamic simulations of unmagnetized dense plasma jet
injection into a hot strongly magnetized plasma
SO NUCLEAR FUSION
LA English
DT Article
ID TOKAMAK; GENERATION
AB We present results from three-dimensional ideal magnetohydrodynamic simulations of unmagnetized dense plasma jet injection into a uniform hot strongly magnetized plasma, with the aim of providing insight into core fuelling of a tokamak with parameters relevant for ITER and National Spherical Torus Experiment (NSTX). Unmagnetized dense plasma jet injection is similar to compact toroid injection but with much higher plasma density and total mass, and consequently lower required injection velocity. Mass deposition of the jet into the background appears to be facilitated via magnetic reconnection along the jet's trailing edge. The penetration depth of the plasma jet into the background plasma is mostly dependent on the jet's initial kinetic energy, and a key requirement for spatially localized mass deposition is for the jet's slowing-down time to be less than the time for the perturbed background magnetic flux to relax due to magnetic reconnection. This work suggests that more accurate treatment of reconnection is needed to fully model this problem. Parameters for unmagnetized dense plasma jet injection are identified for localized core deposition as well as edge localized mode (ELM) pacing applications in ITER and NSTX-relevant regimes.
C1 [Liu, Wei] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Hsu, Scott C.] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA.
RP Liu, W (reprint author), Univ Texas MD Anderson Canc Ctr, Dept Radiat Phys, Houston, TX 77030 USA.
EM scotthsu@lanl.gov
OI Hsu, Scott/0000-0002-6737-4934; Liu, Wei/0000-0003-0935-3999
FU DOE [DE-AC52-06NA25396]
FX The authors thank Dr Shengtai Li for advice on the code. This work was
funded by DOE contract no DE-AC52-06NA25396 under the Los Alamos
Laboratory Directed Research and Development (LDRD) Program.
NR 17
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U1 0
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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 JUL
PY 2011
VL 51
IS 7
AR 073026
DI 10.1088/0029-5515/51/7/073026
PG 8
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300028
ER
PT J
AU Petrie, TW
Evans, TE
Brooks, NH
Fenstermacher, ME
Ferron, JR
Holcomb, CT
Hudson, B
Hyatt, AW
Luce, TC
Lasnier, CJ
Mordijck, S
Moyer, RA
Osborne, TH
Politzer, PA
Rensink, ME
Schaffer, MJ
Snyder, PB
Watkins, JG
AF Petrie, T. W.
Evans, T. E.
Brooks, N. H.
Fenstermacher, M. E.
Ferron, J. R.
Holcomb, C. T.
Hudson, B.
Hyatt, A. W.
Luce, T. C.
Lasnier, C. J.
Mordijck, S.
Moyer, R. A.
Osborne, T. H.
Politzer, P. A.
Rensink, M. E.
Schaffer, M. J.
Snyder, P. B.
Watkins, J. G.
TI Results from radiating divertor experiments with RMP ELM suppression and
mitigation
SO NUCLEAR FUSION
LA English
DT Article
ID EDGE LOCALIZED MODES; DIII-D; COLLISIONALITY REGIME; PEDESTAL; PLASMAS;
PHYSICS; JET
AB The range in density and collisionality for which resonant magnetic perturbations (RMPs) are effective in suppressing edge-localized modes (ELMs) in the presence of a radiating divertor was found to be modest for representative H-mode plasmas in DIII-D. When deuterium and argon gas injection rates were increased during RMP, both the electron collisionality in the pedestal (nu*(e)) and the maximum electron pressure gradient (del P(e,MAX)) in the pedestal also increased. As del P(e,MAX) approached values consistent with the peeling-ballooning stability limit, as determined by edge stability analysis, ELMing activity re-emerged. For cases with the same injected neutral beam power, argon accumulation in the main plasma was greater in the RMP ELM-suppressed cases than in comparable non-RMP ELMing H-mode cases. Reductions in the core concentration of injected argon were observed for both RMP and non-RMP H-mode cases when their respective deuterium injection rates were increased. Although complete ELM suppression in RMP radiating divertor plasmas in DIII-D was only accessible over a limited range in pedestal density and collisionality, significant ELM mitigation with heat flux reduction was possible over a wider range. Comparing RMP radiating divertor discharges after the re-appearance of ELMing activity during gas puffing with a standard ELMing plasma for cases with the same pedestal density reveals that the RMP discharges have (1) lower average electron temperature at the midplane separatrix, implying lower average electron temperature at the divertor target, (2) lower time-averaged peak heat flux and (3) lower transient peak heat flux from ELMs even at the same pedestal collisionality.
C1 [Petrie, T. W.; Evans, T. E.; Brooks, N. H.; Ferron, J. R.; Holcomb, C. T.; Hyatt, A. W.; Luce, T. C.; Osborne, T. H.; Politzer, P. A.; Schaffer, M. J.; Snyder, P. B.] Gen Atom Co, San Diego, CA 92186 USA.
[Fenstermacher, M. E.; Lasnier, C. J.; Rensink, M. E.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Hudson, B.; Mordijck, S.; Moyer, R. A.] Univ Calif San Diego, Dept Mech & Aerosp Engn, San Diego, CA 92093 USA.
[Watkins, J. G.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Petrie, TW (reprint author), Gen Atom Co, POB 85608, San Diego, CA 92186 USA.
FU US Department of Energy [DE-FC02-04ER54698, DE-AC52-07NA27344,
DE-AC05-06OR23100, DE-FG02-07ER54917, DE-FG02-05ER54809,
DE-AC04-94AL85000]
FX This work was supported by the US Department of Energy under
DE-FC02-04ER54698, DE-AC52-07NA27344, DE-AC05-06OR23100,
DE-FG02-07ER54917, DE-FG02-05ER54809 and DE-AC04-94AL85000.
NR 24
TC 6
Z9 7
U1 1
U2 4
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 JUL
PY 2011
VL 51
IS 7
AR 073003
DI 10.1088/0029-5515/51/7/073003
PG 10
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300005
ER
PT J
AU Solomon, WM
Burrell, KH
deGrassie, JS
Boedo, JA
Garofalo, AM
Moyer, RA
Muller, SH
Petty, CC
Reimerdes, H
AF Solomon, W. M.
Burrell, K. H.
deGrassie, J. S.
Boedo, J. A.
Garofalo, A. M.
Moyer, R. A.
Muller, S. H.
Petty, C. C.
Reimerdes, H.
TI Characterization of intrinsic rotation drive on DIII-D
SO NUCLEAR FUSION
LA English
DT Article
ID MOMENTUM TRANSPORT; TOROIDAL ROTATION; D TOKAMAK; DISCHARGES;
TURBULENCE; PLASMAS
AB Recent experiments on DIII-D have focused on elucidating the drive mechanisms for intrinsic rotation in tokamak fusion plasmas. In H-mode plasmas, the effective torque at the edge (rho > 0.8) associated with the intrinsic rotation shows a dependence on the pedestal pressure gradient. del P-ped, which is qualitatively consistent with models describing E x B shear as a means of creating 'residual stress' and driving intrinsic rotation. However, direct measurement of the turbulent Reynolds stress using probes suggests that this is not the full picture. Specifically, there is a significant mismatch between the plasma spin up and the inferred torque from the Reynolds stress at the edge, indicating that additional mechanisms are necessary to completely understand edge intrinsic rotation generation. A narrow rotation layer is observed near the separatrix, which can qualitatively be explained using a model of thermal ion orbit loss. Parametrically, the torque from such a process is expected to vary with root T-i. A good predictor of the edge intrinsic torque is obtained by including this dependence, together with the previously observed. del P-ped dependence, in a regression fit of a wide range of H-mode conditions. The intrinsic torque in the core (rho < 0.5) of H-mode plasmas tends to be much smaller than observed at the edge, although some examples have been found where it is large enough to modify the rotation profile. For instance, in certain plasmas with electron cyclotron heating, a significant counter-intrinsic torque has been observed in the inner region of the plasma.
C1 [Solomon, W. M.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Burrell, K. H.; deGrassie, J. S.; Garofalo, A. M.; Petty, C. C.] Gen Atom Co, San Diego, CA 92186 USA.
[Boedo, J. A.; Moyer, R. A.; Muller, S. H.] Univ Calif San Diego, Energy Res Ctr, La Jolla, CA 92093 USA.
[Reimerdes, H.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
RP Solomon, WM (reprint author), Princeton Univ, Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
EM wsolomon@pppl.gov
OI Solomon, Wayne/0000-0002-0902-9876
FU US Department of Energy [DE-AC02-09CH11466, DE-FC02-04ER54698,
DE-FG02-07ER54917, DE-FG02-04ER54761]
FX This work was supported by the US Department of Energy under
DE-AC02-09CH11466, DE-FC02-04ER54698, DE-FG02-07ER54917 and
DE-FG02-04ER54761. The authors would like to thank P. H. Diamond, G. R.
Tynan and R. E. Waltz for beneficial discussions of this work.
NR 36
TC 31
Z9 31
U1 1
U2 12
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 JUL
PY 2011
VL 51
IS 7
AR 073010
DI 10.1088/0029-5515/51/7/073010
PG 9
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300012
ER
PT J
AU Valovic, M
Akers, R
de Bock, M
McCone, J
Garzotti, L
Michael, C
Naylor, G
Patel, A
Roach, CM
Scannell, R
Turnyanskiy, M
Wisse, M
Guttenfelder, W
Candy, J
AF Valovic, M.
Akers, R.
de Bock, M.
McCone, J.
Garzotti, L.
Michael, C.
Naylor, G.
Patel, A.
Roach, C. M.
Scannell, R.
Turnyanskiy, M.
Wisse, M.
Guttenfelder, W.
Candy, J.
CA MAST Team
TI Collisionality and safety factor scalings of H-mode energy transport in
the MAST spherical tokamak
SO NUCLEAR FUSION
LA English
DT Article
ID TORUS EXPERIMENT NSTX; ASPECT-RATIO; CONFINEMENT
AB A factor of 4 dimensionless collisionality scan of H-mode plasmas in MAST shows that the thermal energy confinement time scales as B tau(E,th) alpha v(*e)(-0.82 +/- 0.1) Local heat transport is dominated by electrons and is consistent with the global scaling. The neutron rate is in good agreement with the nu(*) dependence of tau(E,th). The gyrokinetic code GYRO indicates that micro-tearing turbulence might explain such a trend. A factor of 1.4 dimensionless safety factor scan shows that the energy confinement time scales as B tau(E,th) alpha q(eng)(-0.82 +/- 0.2) eng. These two scalings are consistent with the dependence of energy confinement time on plasma current and magnetic field. Weaker q(eng) and stronger. dependences compared with the IPB98y2 scaling could be favourable for an ST-CTF device, in that it would allow operation at lower plasma current.
C1 [Valovic, M.; Akers, R.; de Bock, M.; McCone, J.; Garzotti, L.; Michael, C.; Naylor, G.; Patel, A.; Roach, C. M.; Scannell, R.; Turnyanskiy, M.; MAST Team] Culham Sci Ctr, EURATOM CCFE Fus Assoc, Abingdon OX14 3DB, Oxon, England.
[Guttenfelder, W.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Candy, J.] Gen Atom Co, San Diego, CA 92186 USA.
[Wisse, M.] Univ Basel, CH-4056 Basel, Switzerland.
RP Valovic, M (reprint author), Culham Sci Ctr, EURATOM CCFE Fus Assoc, Abingdon OX14 3DB, Oxon, England.
EM martin.valovic@ccfe.ac.uk
RI Roach, Colin/C-4839-2011; Michael, Clive /M-1327-2013;
OI Michael, Clive/0000-0003-1804-870X
FU RCUK [EP/I501045]; European Communities
FX This work was funded by the RCUK Energy Programme under grant EP/I501045
and the European Communities under the contract of Association between
EURATOM and CCFE. The views and opinions expressed herein do not
necessarily reflect those of the European Commission. The authors would
like to thank Drs B. Lloyd and A. W. Morris for valuable comments.
Anonymous referees are gratefully acknowledged for their suggestions.
NR 20
TC 27
Z9 27
U1 0
U2 3
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 JUL
PY 2011
VL 51
IS 7
AR 073045
DI 10.1088/0029-5515/51/7/073045
PG 9
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300047
ER
PT J
AU Xu, GS
Wan, BN
Li, JG
Gong, XZ
Hu, JS
Shan, JF
Li, H
Mansfield, DK
Humphreys, DA
Naulin, V
AF Xu, G. S.
Wan, B. N.
Li, J. G.
Gong, X. Z.
Hu, J. S.
Shan, J. F.
Li, H.
Mansfield, D. K.
Humphreys, D. A.
Naulin, V.
CA EAST Team Int Collaborators
TI Study on H-mode access at low density with lower hybrid current drive
and lithium-wall coatings on the EAST superconducting tokamak
SO NUCLEAR FUSION
LA English
DT Article
AB The first high-confinement mode (H-mode) with type-III edge localized modes at an H factor of H-IPB98(y,H-2) similar to 1 has been obtained with about 1 MW lower hybrid wave power on the EAST superconducting tokamak. The first H-mode plasma appeared after wall conditioning by lithium (Li) evaporation before plasma breakdown and the real-time injection of fine Li powder into the plasma edge. The threshold power for H-mode access follows the international tokamak scaling even in the low density range and a threshold in density has been identified. With increasing accumulation of deposited Li the H-mode duration was gradually extended up to 3.6 s corresponding to similar to 30 confinement times, limited only by currently attainable durations of the plasma current flat top. Finally, it was observed that neutral density near the lower X-point was progressively reduced by a factor of 4 with increasing Li accumulation, which is considered the main mechanism for the H-mode power threshold reduction by the Li wall coatings.
C1 [Xu, G. S.; Wan, B. N.; Li, J. G.; Gong, X. Z.; Hu, J. S.; Shan, J. F.] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China.
[Li, H.] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China.
[Mansfield, D. K.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Humphreys, D. A.] Gen Atom Co, San Diego, CA 92186 USA.
[Naulin, V.] Assoc Euratom Riso, DK-4000 Roskilde, Denmark.
RP Xu, GS (reprint author), Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China.
EM bnwan@ipp.ac.cn
RI Naulin , Volker/A-2419-2012; Xu, Guosheng/B-4857-2013
OI Naulin , Volker/0000-0001-5452-9215;
FU National Natural Science Foundation of China [11075181, 10725523,
10721505, 10990212, 11075185]; ITER project of China [2010GB104001]
FX This work was supported by the National Natural Science Foundation of
China under contracts 11075181, 10725523, 10721505, 10990212, 11075185
and the ITER project of China under contract 2010GB104001. We gratefully
acknowledge the contribution of the EAST staff, as well as useful
discussions with R. Maingi from the NSTX team.
NR 21
TC 81
Z9 85
U1 8
U2 70
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
EI 1741-4326
J9 NUCL FUSION
JI Nucl. Fusion
PD JUL
PY 2011
VL 51
IS 7
AR 072001
DI 10.1088/0029-5515/51/7/072001
PG 6
WC Physics, Fluids & Plasmas
SC Physics
GA 781LI
UT WOS:000291933300001
ER
PT J
AU Saraf, LV
AF Saraf, Laxmikant V.
TI Realization of critical distance during the interplay between
re-deposition and secondary sputtering from milling of angular side wall
with a focused ion beam
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM
INTERACTIONS WITH MATERIALS AND ATOMS
LA English
DT Article
DE Re-deposition; FIB; Secondary sputtering
ID REDEPOSITION
AB In situ observation of critical distance (CD), a distance where secondary sputtering effects diminish and re-deposition starts to dominate is realized during controlled focused ion beam (FIB) sputtering. The experiments were performed on representative high density Ni-alloy and lower density porous Ni-YSZ. For the Ni-alloy case, it was observed that linear extrapolation of re-deposited layer width coincides with CD suggesting uniform sputtering and re-deposition effects. Estimation related to percentage of re-deposition from FIB etched layer at an angle of 50 degrees between the lower membrane and FIB etched side wall clearly demonstrated dominant secondary sputtering, neutralizing sputtering/re-deposition and dominant re-deposition regions. Although the angle between FIB etched angular side wall and re-deposited/etched membrane adds some complication, the suggested overall experimental approach would substantially simplify to develop more realistic models than previously considered complex situations dealing with interplay between the re-deposition and secondary sputtering. (C) 2011 Elsevier B.V. All rights reserved.
C1 Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA.
RP Saraf, LV (reprint author), Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA.
EM Lax.Saraf@pnl.gov
FU BER at EMSL [DE-AC06-76RL01830]
FX The research is performed using Environmental Molecular Sciences
Laboratory (EMSL), a national scientific user facility sponsored by the
DOE's Office of Biological and Environmental Research located at PNNL.
PNNL is operated by Battelle for the US DOE. The work support for is
provided by BER under capability development funds at EMSL through the
Grant Contract DE-AC06-76RL01830.
NR 18
TC 3
Z9 3
U1 4
U2 13
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-583X
J9 NUCL INSTRUM METH B
JI Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms
PD JUL 1
PY 2011
VL 269
IS 13
BP 1540
EP 1547
DI 10.1016/j.nimb.2011.04.111
PG 8
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Atomic, Molecular & Chemical; Physics, Nuclear
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 783XS
UT WOS:000292118800014
ER
PT J
AU Kiedrowski, BC
Brown, FB
Wilson, PPH
AF Kiedrowski, Brian C.
Brown, Forrest B.
Wilson, Paul P. H.
TI Adjoint-Weighted Tallies for k-Eigenvalue Calculations with
Continuous-Energy Monte Carlo
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
ID NEUTRON
AB A Monte Carlo method is developed that performs adjoint-weighted tallies in continuous-energy k-eigenvalue calculations. Each contribution to a tally score is weighted by an estimate of the relative magnitude of the fundamental adjoint mode, by way of the iterated fission probability, at the phase-space location of the contribution. The method is designed around the power iteration method such that no additional random walks are necessary, resulting in a minimal increase in computational time. The method is implemented in the Monte Carlo N-Particle (MCNP) code. These adjoint-weighted tallies are used to calculate adjoint-weighted fluxes, point reactor kinetics parameters, and reactivity changes from first-order perturbation theory. The results are benchmarked against discrete ordinates calculations, experimental measurements, and direct Monte Carlo calculations.
C1 [Kiedrowski, Brian C.; Brown, Forrest B.] Los Alamos Natl Lab, X Computat Phys Div, Los Alamos, NM 87545 USA.
[Wilson, Paul P. H.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA.
RP Kiedrowski, BC (reprint author), Los Alamos Natl Lab, X Computat Phys Div, POB 1663,MS A143, Los Alamos, NM 87545 USA.
EM bckiedro@lanl.gov
OI Wilson, Paul/0000-0002-8555-4410
NR 33
TC 29
Z9 30
U1 2
U2 7
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD JUL
PY 2011
VL 168
IS 3
BP 226
EP 241
PG 16
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 783XP
UT WOS:000292118500003
ER
PT J
AU Ramsey, SD
Hutchens, GJ
AF Ramsey, Scott D.
Hutchens, Gregory J.
TI Deterministic and Stochastic Evaluation of Criticality Excursion Power
Bursts
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
ID SOURCE REACTOR STARTUPS; KINETICS EQUATIONS; NEUTRON
AB The utility of stochastic point kinetics theory has been demonstrated through the examination of a criticality excursion in a supercritical system. It has been found that a deterministic point kinetics model underpredicts the excursion maximum energy release by up to two orders of magnitude with respect to a counterpart stochastic model. This potentially large underprediction shows that neutron population fluctuations play an important role in the evolution of that system. This work provides a review of the formalism and approximations used to arrive at this conclusion. To broaden the result's applicability, we relax several approximations, leading to the construction of new, nonanalytical expressions. We compare the two sets of results using local sensitivity analysis, which also allows us to assess the impact of potential uncertainties in included model parameters or data. This comparison (presented also for a U-235 system) also proves useful in assessing the validity of the approximations under consideration.
C1 [Ramsey, Scott D.; Hutchens, Gregory J.] Los Alamos Natl Lab, X Computat Phys Div, Los Alamos, NM 87545 USA.
RP Ramsey, SD (reprint author), Los Alamos Natl Lab, X Computat Phys Div, MS F644, Los Alamos, NM 87545 USA.
EM ramsey@lanl.gov
FU United States Department of Energy by Los Alamos National Security, LLC,
at Los Alamos National Laboratory [DE-AC52-06NA25396]
FX This work was performed under the auspices of the United States
Department of Energy by Los Alamos National Security, LLC, at Los Alamos
National Laboratory under contract DE-AC52-06NA25396.
NR 40
TC 3
Z9 4
U1 2
U2 3
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
EI 1943-748X
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD JUL
PY 2011
VL 168
IS 3
BP 265
EP 277
PG 13
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 783XP
UT WOS:000292118500006
ER
PT J
AU Fortune, EC
Gauld, IC
Wang, CKC
AF Fortune, Eugene C.
Gauld, Ian C.
Wang, C. -K. Chris
TI GAMMA DOSE RATE NEAR A NEW Cf-252 BRACHYTHERAPY SOURCE
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE Cf brachytherapy; gamma dose; bremsstrahlung X-rays
ID CERVICAL-CARCINOMA
AB A new generation of medical grade Cf-252 sources was developed in 2002 at the Oak Ridge National Laboratory. The combination of small size and large activity of Cf-252 makes the new source suitable to be used with the conventional high-dose-rate remote afterloading system for interstitial brachytherapy. A recent in-water calibration experiment showed that the measured gamma dose rates near the new source are slightly greater than the neutron dose rates, contradicting the well established neutron-to-gamma dose ratio of approximately 2:1 at locations near a Cf-252 brachytherapy source. Specifically, the MCNP-predicted gamma dose rate is a factor of two lower than the measured gamma dose rate at the distance of I cm, and the differences between the two results gradually diminish at distances farther away from the source. To resolve this discrepancy, we updated the source gamma spectrum by including in the ORIGEN-S data library the experimentally measured Cf-252 prompt gamma spectrum as well as the true Cf-252 spontaneous fission yield data to explicitly model delayed gamma emissions from fission products. We also investigated the bremsstrahlung X-rays produced by the beta particles emitted from fission product decays. The results show that the discrepancy of gamma dose rates is mainly caused by the omission of the bremsstrahlung X-rays in the MCNP runs. By including the bremsstrahlung X-rays, the MCNP results show that the gamma dose rates near a new Cf-252 source agree well with the measured results and that the gamma dose rates are indeed greater than the neutron dose rates.
C1 [Fortune, Eugene C.; Wang, C. -K. Chris] Georgia Inst Technol, Atlanta, GA 30332 USA.
[Gauld, Ian C.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Fortune, EC (reprint author), Georgia Inst Technol, Atlanta, GA 30332 USA.
EM chris.wang@nre.gatech.edu
OI Gauld, Ian/0000-0002-3893-7515
NR 14
TC 0
Z9 0
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
J9 NUCL TECHNOL
JI Nucl. Technol.
PD JUL
PY 2011
VL 175
IS 1
SI SI
BP 73
EP 76
PG 4
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900014
ER
PT J
AU Hendricks, JS
Quiter, BJ
AF Hendricks, John S.
Quiter, Brian J.
TI MCNP/X FORM FACTOR UPGRADE FOR IMPROVED PHOTON TRANSPORT
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE Monte Carlo; photoatomic; form factor
AB The angular distribution of scattered photons is incorrect in MCNPX and MCNP5 because the incoherent and coherent form factors are obsolete. The obsolete data affect all photon transport problems with E > 74 keV. Elastic backscatter for E > 105 keV is completely missing. Consequently, a new ACE-format photoatomic data library, tentatively named MCPLIB05 and referred to herein as MCPLIB05T, has been developed for MCNP/X. Data in MCPLIB05T other than form factors are identical to that in its predecessor photoatomic library, MCPLIB04. The new form factor data in MCPLIB05T come directly from ENDF/B-VII (rev. 0) and are in a format incompatible with older versions of MCNP/X. Consequently, a new version of MCNP/X has been developed to identify and use the new MCPLIB05T data and yet retain backward compatibility, including tracking, when MCPLIB04 is used. The NJOY nuclear data processing system is undergoing development to enable future generations of photoatomic data libraries with modern form factor data in the new format.
C1 [Hendricks, John S.] TechSource Inc, Los Alamos, NM 87544 USA.
[Hendricks, John S.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Hendricks, John S.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Quiter, Brian J.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
[Quiter, Brian J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Hendricks, JS (reprint author), TechSource Inc, Los Alamos, NM 87544 USA.
EM jxh@lanl.gov
NR 8
TC 3
Z9 3
U1 1
U2 3
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 JUL
PY 2011
VL 175
IS 1
SI SI
BP 150
EP 161
PG 12
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900026
ER
PT J
AU Ibrahim, AM
Mosher, SW
Evans, TM
Peplow, DE
Sawan, ME
Wilson, PPH
Wagner, JC
Heltemes, T
AF Ibrahim, Ahmad M.
Mosher, Scott W.
Evans, Thomas M.
Peplow, Douglas E.
Sawan, Mohamed E.
Wilson, Paul P. H.
Wagner, John C.
Heltemes, Thad
TI ITER NEUTRONICS MODELING USING HYBRID MONTE CARLO/DETERMINISTIC AND
CAD-BASED MONTE CARLO METHODS
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE CAD-based Monte Carlo; ITER; hybrid Monte Carlo/deterministic
ID VARIANCE REDUCTION; NUCLEAR ANALYSIS
AB The immense size and complex geometry of the ITER experimental fusion reactor require the development of special techniques that can accurately and efficiently perform neutronics simulations with minimal human effort. This paper shows the effect of the hybrid Monte Carlo (MC)/deterministic techniques-Consistent Adjoint Driven Importance Sampling (CADIS) and Forward-Weighted CADIS (FW-CADIS)-in enhancing the efficiency of the neutronics modeling of ITER and demonstrates the applicability of coupling these methods with computer-aided-design based MC. Three quantities were calculated in this analysis: the total nuclear heating in the inboard leg of the toroidal field coils (TFCs), the prompt dose outside the biological shield, and the total neutron and gamma fluxes over a mesh tally covering the entire reactor. The use of FW-CADIS in estimating the nuclear heating in the inboard TFCs resulted in a factor of similar to 275 increase in the MC figure of merit (FOM) compared with analog MC and a factor of similar to 9 compared with the traditional methods of variance reduction. By providing a factor of similar to 21000 increase in the MC FOM, the radiation dose calculation showed how the CADIS method can be effectively used in the simulation of problems that are practically impossible using analog MC. The total flux calculation demonstrated the ability of FW-CADIS to simultaneously enhance the MC statistical precision throughout the entire ITER geometry. Collectively, these calculations demonstrate the ability of the hybrid techniques to accurately model very challenging shielding problems in reasonable execution times.
C1 [Ibrahim, Ahmad M.; Sawan, Mohamed E.; Wilson, Paul P. H.; Heltemes, Thad] Univ Wisconsin, Madison, WI 53706 USA.
[Mosher, Scott W.; Evans, Thomas M.; Peplow, Douglas E.; Wagner, John C.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Ibrahim, AM (reprint author), Univ Wisconsin, 1500 Engn Dr, Madison, WI 53706 USA.
EM amibrahim@wisc.edu
RI Wagner, John/K-3644-2015;
OI Wagner, John/0000-0003-0257-4502; Wilson, Paul/0000-0002-8555-4410
NR 21
TC 3
Z9 3
U1 2
U2 5
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 JUL
PY 2011
VL 175
IS 1
SI SI
BP 251
EP 258
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900038
ER
PT J
AU Joseph, RA
Slater, CO
Evans, TM
Mosher, SW
Johnson, JO
AF Joseph, R. A., III
Slater, C. O.
Evans, T. M.
Mosher, S. W.
Johnson, J. O.
TI SENSITIVITIES AND UNCERTAINTIES RELATED TO NUMERICS AND BUILDING
FEATURES IN URBAN MODELING
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE numerics; urban modeling
AB Oak Ridge National Laboratory (ORNL) has been engaged in the development and testing of a computational system that would use a grid of activation foil detectors to provide postdetonation forensic information from a nuclear device detonation. ORNL has developed a high-performance, three-dimensional (3-D) deterministic radiation transport code called Denovo. Denovo solves the multigroup discrete ordinates (S(N)) equations and can output 3-D data in a platform-independent format that can be efficiently analyzed using parallel, high-performance visualization tools. To evaluate the sensitivities and uncertainties associated with the deterministic computational method numerics, a numerical study on the New York City Times Square model was conducted using Denovo. In particular, the sensitivities and uncertainties associated with various components of the calculational method were systematically investigated, including (a) the Legendre polynomial expansion order of the scattering cross sections, (b) the angular quadrature, (c) multigroup energy binning, (d) spatial mesh sizes, (e) the material compositions of the building models, (f) the composition of the foundations upon which the buildings rest (e.g., ground, concrete, or asphalt), and (g) the amount of detail included in the building models. Although Denovo may calculate the idealized model well, there may be uncertainty in the results because of slight departures of the above-named parameters from those used in the idealized calculations. Fluxes and activities at selected locations from perturbed calculations are compared with corresponding values from the idealized or base case to determine the sensitivities associated with specified parameter changes. Results indicate that uncertainties related to numerics can be controlled by using higher fidelity models, but more work is needed to control the uncertainties related to the model.
C1 [Joseph, R. A., III; Slater, C. O.; Evans, T. M.; Mosher, S. W.; Johnson, J. O.] Oak Ridge Natl Lab, Nucl Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Joseph, RA (reprint author), Oak Ridge Natl Lab, Nucl Sci & Technol Div, POB 2008, Oak Ridge, TN 37831 USA.
EM josephiraiii@ornl.gov
NR 11
TC 0
Z9 0
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
J9 NUCL TECHNOL
JI Nucl. Technol.
PD JUL
PY 2011
VL 175
IS 1
SI SI
BP 286
EP 300
PG 15
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900043
ER
PT J
AU Klann, RT
de la Barrera, SC
Vilim, RB
AF Klann, Raymond T.
de la Barrera, Sergio C.
Vilim, Richard B.
TI TREATMENT OF SHIELDING IN REAL-TIME SOURCE TRACKING SOFTWARE
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE source localization; shielding; RADTRAC
AB Within the homeland security and emergency response communities, there is a need for a low-profile system to detect, locate, and identify radioactive sources in real time. Such a system could be deployed for area monitoring around venues for special events. A system was developed at Argonne National Laboratory, called RADTRAC, which is based on a network of radiation detectors and advanced signal-processing algorithms. The initial implementation of RADTRAC did not account for dynamically changing shielding due to crowd movements.
An algorithm was developed that utilizes the gamma-ray energy spectrum from each detector to estimate the amount of attenuation and scattering that is present between the source location (a priori unknown) and the detector location in real time. The attenuation and scattering estimations are then included in the maximum likelihood model to significantly improve the source localization solution. Results are presented for several test cases showing the improvement in the real-time source localization solution.
This algorithm has been implemented into the current version of RADTRAC such that it now accounts for the effects of dynamically changing shielding and scattering due to crowd movements in real time in order to accurately determine the source location in crowded venues.
C1 [Klann, Raymond T.; de la Barrera, Sergio C.; Vilim, Richard B.] Argonne Natl Lab, Nucl Engn Div, Lemont, IL 60439 USA.
RP Klann, RT (reprint author), Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Lemont, IL 60439 USA.
EM klann@anl.gov
RI de la Barrera, Sergio/A-1850-2016
OI de la Barrera, Sergio/0000-0002-5974-9476
NR 4
TC 4
Z9 4
U1 0
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 JUL
PY 2011
VL 175
IS 1
SI SI
BP 301
EP 313
PG 13
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900044
ER
PT J
AU Vilim, R
Klann, R
Thomas, J
AF Vilim, R.
Klann, R.
Thomas, J.
TI INTEGRATED TREATMENT OF DETECTOR ARRAYS FOR SOURCE TRACKING
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE detector; directional; source
AB Illicit radioactive sources can potentially appear in a wide range of public venues. One element in a plan for managing such sources involves searching for them in venues at risk and tracking them in real time when they are detected. A treatment of source tracking using multiple directional detectors in a probabilistic framework is given. The performance of a prototype directional detector based on these methods was characterized in the laboratory. Instances where the performance of a directional detector is not immune to the effects of shielding are identified.
C1 [Vilim, R.; Klann, R.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA.
[Thomas, J.] Penn State Univ, Mech & Nucl Engn Dept, University Pk, PA 16802 USA.
RP Vilim, R (reprint author), Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM rvilim@anl.gov
NR 3
TC 2
Z9 2
U1 0
U2 0
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
J9 NUCL TECHNOL
JI Nucl. Technol.
PD JUL
PY 2011
VL 175
IS 1
SI SI
BP 314
EP 325
PG 12
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900045
ER
PT J
AU Jarman, KD
Miller, EA
Wittman, RS
Gesh, CJ
AF Jarman, Kenneth D.
Miller, Erin A.
Wittman, Richard S.
Gesh, Christopher J.
TI BAYESIAN RADIATION SOURCE LOCALIZATION
SO NUCLEAR TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 16th Biennial Topical Meeting of the
American-Nuclear-Society-(ANS)-and-Radiation-Protection-and-Shielding-Di
vision-(RPSD)
CY APR, 2010
CL Univ Nevada, Las Vegas, NV
SP Amer Nucl Soc, Radiation Protection Shielding Div
HO Univ Nevada
DE radiation source localization; adjoints; Bayesian
ID NEUTRON SOURCE; TRANSPORT
AB Locating illicit radiological sources using gamma-ray or neutron detection is a key challenge for both homeland security and nuclear nonproliferation. Localization methods using an array of detectors or a sequence of observations in time and space must provide rapid results while accounting for a dynamic attenuating environment. In the presence of significant attenuation and scatter, more extensive numerical transport calculations in place of the standard analytical approximations may be required to achieve accurate results. Numerical adjoints based on deterministic transport codes provide relatively efficient detector response calculations needed to determine the most likely location of a true source given a set of observed count rates. Probabilistic representations account for uncertainty in the source location resulting from uncertainties in detector responses and the potential for nonunique solutions. A Bayesian approach improves on previous likelihood methods for source localization by allowing the incorporation of all available information to help constrain solutions.
We present an approach to localizing radiological sources that uses numerical adjoints and a Bayesian formulation and demonstrate the approach on two simple example scenarios. Results indicate accurate estimates of source locations. We briefly study the effect of neglecting the contribution of all scattered radiation in the adjoints, as analytical transport approximations do, for a case with moderately attenuating material between detectors and sources. The source location accuracy of the uncollided-only solutions appears to be significantly worse at the source strength considered here, suggesting that the higher physical fidelity that is provided by full numerical adjoint-based solutions may provide an advantage in operational settings.
C1 [Jarman, Kenneth D.; Miller, Erin A.; Wittman, Richard S.; Gesh, Christopher J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Jarman, KD (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM kj@pnl.gov
RI Jarman, Kenneth/B-6157-2011
OI Jarman, Kenneth/0000-0002-4396-9212
NR 21
TC 6
Z9 6
U1 1
U2 5
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 JUL
PY 2011
VL 175
IS 1
SI SI
BP 326
EP 334
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 784PS
UT WOS:000292169900046
ER
PT J
AU Bates, JT
Chivian, D
Arkin, AP
AF Bates, John T.
Chivian, Dylan
Arkin, Adam P.
TI GLAMM: Genome-Linked Application for Metabolic Maps
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID KEGG ATLAS; PATHWAYS; LANGUAGE; DATABASE; MODELS
AB The Genome-Linked Application for Metabolic Maps (GLAMM) is a unified web interface for visualizing metabolic networks, reconstructing metabolic networks from annotated genome data, visualizing experimental data in the context of metabolic networks and investigating the construction of novel, transgenic pathways. This simple, user-friendly interface is tightly integrated with the comparative genomics tools of MicrobesOnline [Dehal et al. (2010) Nucleic Acids Research, 38, D396-D400]. GLAMM is available for free to the scientific community at glamm.lbl.gov.
C1 [Bates, John T.; Chivian, Dylan; Arkin, Adam P.] DOE Joint BioEnergy Inst, Div Technol, Emeryville, CA 94608 USA.
[Bates, John T.; Chivian, Dylan; Arkin, Adam P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Arkin, Adam P.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
RP Chivian, D (reprint author), DOE Joint BioEnergy Inst, Div Technol, Emeryville, CA 94608 USA.
EM dcchivian@lbl.gov; aparkin@lbl.gov
RI Arkin, Adam/A-6751-2008
OI Arkin, Adam/0000-0002-4999-2931
FU Office of Biological and Environmental Research (BER) of the US
Department of Energy (DOE) Office of Science [DE-AC02-05CH11231];
Lawrence Berkeley National Laboratory (LBNL); Oak Ridge National
Laboratory (ORNL); US Department of Energy [DE-AC05-00OR22725]; Office
of Biological and Environmental Research; US DOE Office of Science
[DE-AC02-05CH11231]
FX Office of Biological and Environmental Research (BER) of the US
Department of Energy (DOE) Office of Science under Contract No.
DE-AC02-05CH11231 with the E.O. Lawrence Berkeley National Laboratory
(LBNL) (to Joint BioEnergy Institute, JBEI); Office of Biological and
Environmental Research in the US DOE Office of Science with American
Recovery and Reinvestment Act (ARRA) funding to Oak Ridge National
Laboratory (ORNL) (to 'Knowledgebase R&D' project performed at LBNL)
administered by UT-Battelle, LLC, for the US Department of Energy under
contract DE-AC05-00OR22725 (to ORNL). Funding for open access charge:
Office of Biological and Environmental Research (to JBEI), of the US DOE
Office of Science under Contract No. DE-AC02-05CH11231 with the E.O.
Lawrence Berkeley National Laboratory (LBNL).
NR 20
TC 17
Z9 17
U1 0
U2 4
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 JUL
PY 2011
VL 39
SU 2
BP W400
EP W405
DI 10.1093/nar/gkr433
PG 6
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 786RJ
UT WOS:000292325300065
PM 21624891
ER
PT J
AU Gao, XF
Hodgson, JL
Jiang, DE
Zhang, SB
Nagase, S
Miller, GP
Chen, ZF
AF Gao, Xingfa
Hodgson, Jennifer L.
Jiang, De-en
Zhang, Shengbai B.
Nagase, Shigeru
Miller, Glen P.
Chen, Zhongfang
TI Open-Shell Singlet Character of Stable Derivatives of Nonacene, Hexacene
and Teranthene
SO ORGANIC LETTERS
LA English
DT Article
ID THIN-FILM TRANSISTORS; HIGHER ACENES; GROUND-STATE; ORGANIC ELECTRONICS;
HEPTACENE; NANOGRAPHENES; GAP
AB The electronic ground states of the recently synthesized stable nonacene derivatives (J. Am. Chem. Soc. 2010, 132, 1261) are open-shell singlets with a polyradical nature instead of closed-shell singlets as originally, assumed, according to the unrestricted broken spin-symmetry density functional theory (UBS-DFT) computations (at B3LYP/6-31G*). It is the bulky protecting groups, not the transfer from the open-shell singlet to closed-shell singlet ground state, that stabilizes these longest characterized acenes. Similar analyses also confirmed the open-shell singlet character of the hexacene and teranthene derivatives.
C1 [Chen, Zhongfang] Univ Puerto Rico, Dept Chem, San Juan, PR 00931 USA.
[Gao, Xingfa] Chinese Acad Sci, Inst High Energy Phys, Key Lab Biomed Effects Nanomat & Nanosafety, Beijing 100049, Peoples R China.
[Hodgson, Jennifer L.; Miller, Glen P.] Univ New Hampshire, Dept Chem, Durham, NH 03824 USA.
[Hodgson, Jennifer L.; Miller, Glen P.] Univ New Hampshire, Mat Sci Program, Durham, NH 03824 USA.
[Jiang, De-en] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Zhang, Shengbai B.] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA.
[Nagase, Shigeru] Natl Inst Nat Sci, Inst Mol Sci, Dept Theoret & Computat Mol Sci, Okazaki, Aichi 4448585, Japan.
RP Chen, ZF (reprint author), Univ Puerto Rico, Dept Chem, San Juan, PR 00931 USA.
EM zhongfangchen@gmail.com
RI Chen, Zhongfang/A-3397-2008; Jiang, De-en/D-9529-2011; Gao,
Xingfa/E-5691-2010; Krausnick, Jennifer/D-6291-2013; Zhang,
Shengbai/D-4885-2013;
OI Jiang, De-en/0000-0001-5167-0731; Gao, Xingfa/0000-0002-1636-6336;
Zhang, Shengbai/0000-0003-0833-5860; Hodgson,
Jennifer/0000-0001-5363-0215
FU MEXT; NSF [EPS-1010094, EEC 0832785]; Department of Energy
[DE-SC0002623]; Division of Chemical Sciences, Geosciences, and
Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy;
[Y1515530U1]
FX This work was supported in Japan by a Grant-in-Aid for Specially
Promoted Research and Next Generation Super Computing Project
(Nanoscience Program) from MEXT and in the USA by the NSF (Grant Nos.
EPS-1010094 and EEC 0832785) and the Department of Energy (Grant No.
DE-SC0002623). D.J. was supported by the Division of Chemical Sciences,
Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S.
Department of Energy. X.G. was partially supported by Y1515530U1.
NR 35
TC 22
Z9 22
U1 0
U2 28
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1523-7060
J9 ORG LETT
JI Org. Lett.
PD JUL 1
PY 2011
VL 13
IS 13
BP 3316
EP 3319
DI 10.1021/ol201004u
PG 4
WC Chemistry, Organic
SC Chemistry
GA 781HG
UT WOS:000291920800008
PM 21648416
ER
PT J
AU Novikov, VV
Avdashchenko, DV
Matovnikov, AV
Moiseev, NV
Bud'ko, SL
Tanaka, T
AF Novikov, V. V.
Avdashchenko, D. V.
Matovnikov, A. V.
Moiseev, N. V.
Bud'ko, S. L.
Tanaka, T.
TI Thermal and magnetic properties of DyB62 at low temperatures
SO PHYSICA B-CONDENSED MATTER
LA English
DT Article
DE Icosahedral boride; Heat capacity; Magnetization; Disordered systems
ID VITREOUS SILICA; HEAT-CAPACITY; YB66; MONOCHROMATOR; CONDUCTIVITY; MK
AB Temperature dependences of heat capacity C-P(T) and magnetization M(T) of an icosahedral dysprosium boride (DyB62) single crystal have been experimentally investigated in the temperature range of 2-300 K. The magnetic susceptibility chi(T) of DyB62 follows Curie-Weiss law with a paramagnetic Curie temperature of -3.7 K, which implies that the antiferromagnetic interactions are dominant in this material and suggests the possibility of magnetic ordering at low temperatures. This conjecture is supported by the temperature dependence of heat capacity C-P(T), which decreases upon heating from 2 to 7 K. The heat capacity of DyB62 at 2 K is analyzed as a sum of magnetic, Debye, two-level system and soft atomic potential components. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Novikov, V. V.; Avdashchenko, D. V.; Matovnikov, A. V.; Moiseev, N. V.] Petrovsky Bryansk State Univ, Bryansk 241036, Russia.
[Bud'ko, S. L.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Bud'ko, S. L.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Tanaka, T.] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan.
RP Avdashchenko, DV (reprint author), Petrovsky Bryansk State Univ, Bedgitskaya 14, Bryansk 241036, Russia.
EM vvnovikov@mail.ru; avdaha@gmail.com
RI Novikov, Vladimir/D-3413-2011
OI Novikov, Vladimir/0000-0003-2081-6691
FU US Department of Energy-Basic Energy Sciences [DE-AC02-07CH11358]
FX Work at the Ames Laboratory was supported by the US Department of
Energy-Basic Energy Sciences under Contract no. DE-AC02-07CH11358.
NR 28
TC 7
Z9 7
U1 0
U2 5
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0921-4526
EI 1873-2135
J9 PHYSICA B
JI Physica B
PD JUL 1
PY 2011
VL 406
IS 13
BP 2642
EP 2645
DI 10.1016/j.physb.2011.04.006
PG 4
WC Physics, Condensed Matter
SC Physics
GA 781YD
UT WOS:000291973000029
ER
PT J
AU Morozovska, AN
Eliseev, EA
Svechnikov, GS
Kalinin, SV
AF Morozovska, A. N.
Eliseev, E. A.
Svechnikov, G. S.
Kalinin, S. V.
TI Nanoscale electromechanics of paraelectric materials with mobile
charges: Size effects and nonlinearity of electromechanical response of
SrTiO3 films
SO PHYSICAL REVIEW B
LA English
DT Article
ID FERROELECTRIC THIN-FILMS; ION BATTERY CATHODE; INDUCED EXPANSION;
RAMAN-SCATTERING; PHASE-DIAGRAMS; FLEXOELECTRICITY; STRESS;
ELECTROSTRICTION; INDENTATION; TEMPERATURE
AB Nanoscale enables a broad range of electromechanical coupling mechanisms that are forbidden or are negligible in the materials. We conduct a theoretical study of the electromechanical response of thin paraelectric films with mobile vacancies (or ions) paradigmatic for capacitor-type measurements in x-ray scattering, piezoresponse force microscopy (PFM), and electrochemical strain microscopy (ESM). Using a quantum paraelectric SrTiO3 (STO) film as a model material with well-known electromechanical, electronic, and electrochemical properties, we evaluate the contributions of electrostriction, Maxwell stress, flexoelectric effect, deformation potential, and compositional Vegard strains caused by mobile vacancies (or ions) and electrons to the electromechanical response. The local electromechanical response manifests strong size effects, the scale of which is determined by the ratio of the STO film thickness and PFM/ESM tip size to the carriers' screening radius. Due to the strong dielectric nonlinearity effect inherent in quantum paraelectrics, the dependence of the STO film electromechanical response on the applied voltage demonstrates a pronounced crossover from the linear to the quadratic law and then to the sublinear law with a factor of 2/3 under the voltage increase. The temperature dependence of the electromechanical response as determined by the interplay between the dielectric susceptibility and the screening radius is nonmonotonic and has pronounced maxima, the position and width of which can be tuned by film thickness. This paper provides a comparative framework for the analysis of electromechanical coupling in the nonpiezoelectric nanosystems.
C1 [Morozovska, A. N.; Eliseev, E. A.; Svechnikov, G. S.] Natl Acad Sci Ukraine, Inst Semicond Phys, UA-03028 Kiev, Ukraine.
[Eliseev, E. A.] Natl Acad Sci Ukraine, Inst Problems Mat Sci, UA-03142 Kiev, Ukraine.
[Kalinin, S. V.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Kalinin, S. V.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Morozovska, AN (reprint author), Natl Acad Sci Ukraine, Inst Semicond Phys, 41 Pr Nauki, UA-03028 Kiev, Ukraine.
EM morozo@i.com.ua; sergei2@ornl.gov
RI Kalinin, Sergei/I-9096-2012
OI Kalinin, Sergei/0000-0001-5354-6152
FU Ukraine State Agency on Science, Innovation and Informatization
[UU30/004, GP/F32/099]; National Academy of Sciences of Ukraine, CNMS
[UR-08-869]; National Science Foundation (Materials World Network)
[DMR-0908718]; U.S. Department of Energy, Basic Energy Sciences,
Materials Sciences and Engineering Division
FX A.N.M., E. A. E. and G. S. S. acknowledgement State Budget funding from
Ukraine State Agency on Science, Innovation and Informatization (Grants
SFFR - NSF No. UU30/004 and No. GP/F32/099), National Academy of
Sciences of Ukraine, user agreement with CNMS No. UR-08-869 and National
Science Foundation (Materials World Network, DMR-0908718). S. V. K. was
supported by the U.S. Department of Energy, Basic Energy Sciences,
Materials Sciences and Engineering Division.
NR 101
TC 42
Z9 42
U1 2
U2 78
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 JUL 1
PY 2011
VL 84
IS 4
AR 045402
DI 10.1103/PhysRevB.84.045402
PG 20
WC Physics, Condensed Matter
SC Physics
GA 786SI
UT WOS:000292327800006
ER
PT J
AU Aad, G
Abbott, B
Abdallah, J
Abdelalim, AA
Abdesselam, A
Abdinov, O
Abi, B
Abolins, M
Abramowicz, H
Abreu, H
Acerbi, E
Acharya, BS
Adams, DL
Addy, TN
Adelman, J
Aderholz, M
Adomeit, S
Adragna, P
Adye, T
Aefsky, S
Aguilar-Saavedra, JA
Aharrouche, M
Ahlen, SP
Ahles, F
Ahmad, A
Ahsan, M
Aielli, G
Akdogan, T
Akesson, TPA
Akimoto, G
Akimov, AV
Akiyama, A
Alam, MS
Alam, MA
Albrand, S
Aleksa, M
Aleksandrov, IN
Alessandria, F
Alexa, C
Alexander, G
Alexandre, G
Alexopoulos, T
Alhroob, M
Aliev, M
Alimonti, G
Alison, J
Aliyev, M
Allport, PP
Allwood-Spiers, SE
Almond, J
Aloisio, A
Alon, R
Alonso, A
Alviggi, MG
Amako, K
Amaral, P
Amelung, C
Ammosov, VV
Amorim, A
Amoros, G
Amram, N
Anastopoulos, C
Andeen, T
Anders, CF
Anderson, KJ
Andreazza, A
Andrei, V
Andrieux, ML
Anduaga, XS
Angerami, A
Anghinolfi, F
Anjos, N
Annovi, A
Antonaki, A
Antonelli, M
Antonelli, S
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CA ATLAS Collaboration
TI Search for contact interactions in dimuon events from pp collisions at
root s=7 TeV with the ATLAS detector
SO PHYSICAL REVIEW D
LA English
DT Article
ID FERMION-PAIR PRODUCTION; PARTON DISTRIBUTIONS; STANDARD MODEL; PHYSICS;
QUARK; HERA; LEP; CONSTRAINTS; DIMENSIONS; TESTS
AB A search for contact interactions has been performed using dimuon events recorded with the ATLAS detector in proton-proton collisions at root s = 7 TeV. The data sample corresponds to an integrated luminosity of 42 pb(-1). No significant deviation from the standard model is observed in the dimuon mass spectrum, allowing the following 95% C. L. limits to be set on the energy scale of contact interactions: Lambda > 4: 9 TeV (4.5 TeV) for constructive (destructive) interference in the left-left isoscalar compositeness model. These limits are the most stringent to date for mu mu qq contact interactions.
C1 [Aad, G.; Ahles, F.; Beckingham, M.; Bernhard, R.; Bitenc, U.; Bruneliere, R.; Caron, S.; Christov, A.; 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.; 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 & Phy, Freiburg, Germany.
[Alam, M. S.; Ernst, J.; Greenwood, Z. D.; Rojo, V.; Sawyer, L.] SUNY Albany, Albany, NY 12222 USA.
[Bahinipati, S.; Buchanan, N. J.; Chan, K.; Gingrich, D. M.; Kim, M. S.; Liu, S.; 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.
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[Bella, L. Aperio; Aubert, B.; Di Ciaccio, L.; Doan, T. K. O.; Ghez, P.; Gouanere, M.; Goy, C.; Guillemin, T.; Hryn'ova, T.; Ionescu, G.; Jeremie, A.; Jezequel, S.; Kataoka, M.; Labbe, J.; Lafaye, R.; Leveque, J.; Lombardo, V. P.; 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.
[Asquith, L.; Blair, E.; Chekanov, S.; Dawson, J. W.; Fellmann, D.; Guarino, V. J.; Hill, D.; Hill, N.; Karr, K.; LeCompte, T.; Malon, D.; May, E. N.; 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.] 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.; Hr, F. Ru; Rutherfoord, J. P.; Shaver, L.; Shupe, M. A.; Varnes, E. W.] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA.
[Brandt, A.; Brown, H.; Farbin, A.; Heelan, L.; Hernandez, C. M.; 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.
[Albrand, S.; 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.; Succurro, A.; Sushkov, S.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] Inst Fis Altes Energies, Barcelona, Spain.
[Abdallah, J.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Demirkoz, B.; Dosil, M.; Espinal Curull, X.; Fiorini, L.; Grinstein, S.; 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.; Succurro, A.; 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.; Demirkoz, B.; Dosil, M.; Espinal Curull, X.; Fiorini, L.; Grinstein, S.; 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.; Succurro, A.; Sushkov, S.; Vives Vaque, F.; Volpi, M.; Vorwerk, V.] ICREA, Barcelona, Spain.
[Borjanovic, I.; Chiefari, G.; Krstic, J.; Popovic, D. S.; Reljic, D.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.; Milosavljevic, M. Vranjes; Wolters, H.] Univ Belgrade, Inst Phys, Belgrade, Serbia.
[Borjanovic, I.; Bozovic-Jelisavcic, I.; Chiefari, G.; Krstic, J.; Mamuzic, J.; Popovic, D. S.; Reljic, D.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.; Milosavljevic, M. Vranjes; Wolters, H.] Vinca Inst Nucl Sci, Belgrade, Serbia.
[Buanes, T.; Eigen, G.; Kastanas, A.; Liebig, W.; Lipniacka, A.; Oye, O. K.; Rosendahl, P. L.; 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.; Einsweiler, K.; Gaponenko, A.; Gilchriese, M.; Heinemann, B.; Hinchliffe, I.; Hsu, S. -C.; Hurwitz, M.; Joseph, J.; Korn, A.; Leggett, C.; Loscutoff, P.; Lys, J.; Ruwiedel, C.; Scherzer, M. I.; Siegrist, J.; Skinnari, L. A.; Stavropoulos, G.; Tatarkhanov, M.; Tompkins, L.; Vahsen, S.; Virzi, J.; Yao, W-M.; Yao, Y.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA.
[Brandt, G.; Giorgi, F. M.; Grancagnolo, S.; Herrberg, R.; Kind, O.; Kolanoski, H.; Kwee, R.; Mandrysch, R.; Nikiforov, A.; Sauvan, J. B.; Schulz, H.; Nedden, M. Zur] Humboldt Univ, Dept Phys, Berlin, Germany.
[Battaglia, A.; Beck, H. P.; Ereditato, A.; Martin, T. Fonseca; Gallo, V.; Haug, S.; Pretzl, K.; Topfel, C.; Venturi, N.; Weber, M. S.] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland.
[Battaglia, A.; Beck, H. P.; Ereditato, A.; Martin, T. Fonseca; Gallo, V.; Haug, S.; Pretzl, K.; Topfel, C.; Venturi, N.; Weber, M. S.] Univ Bern, High Energy Phys Lab, Bern, Switzerland.
[Bansil, H. S.; Charlton, D. G.; Dowell, J. D.; Harrison, K.; Hawkes, C. M.; Hillier, S. J.; Mahout, G.; Mclaughlan, T.; Newman, P. R.; Slater, M.; Thomas, J. P.; Thompson, P. 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.; Dogan, O. B.; 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.
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.] INFN Sez Bologna, Bologna, Italy.
[Antonelli, S.; Bertin, A.; Bindi, M.; Caforio, D.; Cambiaghi, M.; Ciocca, C.; Conta, C.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Franchino, B. S.; Fraternali, M.; Livan, M.; Massa, I.; Mengarelli, A.; Monzani, S.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Uslenghi, M.; Valentinetti, S.; Villa, M.; Vitale, A.; Zoccoli, A.] Univ Bologna, Dipartimento 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.; Koffas, T.; Kokott, T.; Kostyukhin, V. V.; Kroseberg, J.; Krueger, H.; Kruth, A.; Lapoire, C.; Lehmacher, M.; Leyko, A. M.; Limbach, C.; 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.; Runolfsson, O.; Schaepe, S.; 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.; 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.; Torres, R. Coura; Mello, A. Da Rocha Gesualdi; 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.; 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.; Cuciuc, C. -M.; 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.] Univ Politehn Bucuresti, Bucharest, Romania.
W Univ Timisoara, Timisoara, Romania.
[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.; Gillberg, D.; 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.; Di Micco, B.; Dittus, F.; Dobinson, R.; Dobson, E.; Dopke, J.; Drevermann, H.; Dudarev, A.; Duehrssen, M.; Dunford, M.; Dydak, F.; Eifert, T.; Ellis, N.; Elsing, M.; Fabre, C.; Farthouat, P.; Fassnacht, P.; Fedorko, I.; 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.; Silva, M. L. Gonzalez; Goossens, L.; Gorini, B.; Grafstroem, P.; Gray, H. M.; Grognuz, J.; 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.; Jenni, P.; Jonsson, O.; Joram, C.; Kaplon, J.; Klioutchnikova, T.; Knobloch, J.; Koblitz, B.; Koeneke, K.; Kollar, D.; Kotamaeki, M. J.; Kvita, J.; La Rosa, A.; Lamanna, M.; Lantzsch, K.; Lasseur, C.; Lassnig, M.; Miotto, G. Lehmann; Lichard, P.; Magnoni, L.; Malyukov, S.; Mapelli, A.; Mapelli, L.; Marchand, J. F.; Marshall, Z.; 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.; Muenstermann, D.; 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.; 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.; 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.; 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.; Quinonez, F.; Romero Maltrana, D.; Urrejola, P.] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile.
[Diaz, M. A.; Quinonez, F.; Romero Maltrana, D.; Urrejola, P.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile.
[Bai, Y.; Cheng, S.; Han, H.; Lu, F.; Ouyang, Q.; Shan, L. Y.; Tong, G.; Xie, Y.; Xu, G.; Yang, Y.; Yuan, L.; Zheng, S.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
[Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Wang, H.; Wu, Y.; Xu, C.; Zhang, D.; Zhao, Z.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China.
[Chen, S.; Chen, T.; Ping, J.; Yu, J.] Nanjing Univ, Dept Phys, Jiangsu, Peoples R China.
[Feng, C.; Ge, P.; He, M.; Miao, J.; Wang, J.; Zhan, Z.; 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, Ph.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] Clermont Univ, Phys Corpusculaire Lab, Aubiere, France.
[Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Gris, Ph.; 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, Ph.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.; Viret, S.] CNRS, IN2P3, Aubiere, France.
[Andeen, T.; Angerami, A.; Brooijmans, G.; Copic, K.; Dodd, J.; Grau, N.; Guo, J.; Hughes, E. W.; Leltchouk, M.; Mateos, D. Lopez; 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.; 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.] INFN Grp Coll 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.; Gao, Y. S.; Idzik, M.; Jelen, K.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Lowe, A. J.; 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; Da Costa, J. Goncalves Pinto Firmino; 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.; Tackmann, K.; 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; Da Costa, J. Goncalves Pinto Firmino; 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.; Tackmann, K.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, Zeuthen, Germany.
[Bunse, M.; Dobos, D.; Goessling, C.; Hirsch, F.; Klaiber-Lodewigs, J.; Klingenberg, R.; Krasel, O.; Mass, M.; 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.; Kotwal, A.; 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.; Vickey, T.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, 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.; Volpi, G.; Wen, M.] INFN Lab Nazl Frascati, Frascati, Italy.
[Abdelalim, A. A.; Alexandre, G.; Backes, M.; Bell, P. J.; Bell, W. H.; Berglund, E.; Blondel, A.; Bucci, F.; Dao, V.; 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; Herrera, C. Mora; Morone, M-C.; Nektarijevic, S.; Pasztor, G.; Pohl, M.; Robichaud-Veronneau, A.; Rosbach, K.; Rosselet, L.; 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.] INFN 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.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, Inst Phys, GE-380077 Tbilisi, Rep of Georgia.
[Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, HEP Inst, GE-380060 Tbilisi, Rep of Georgia.
[Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Tbilisi State Univ, GE-380086 Tbilisi, Rep of Georgia.
[Astvatsatourov, A.; Dueren, M.; Stenzel, H.] Univ Giessen, Phys Inst 2, 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.; Ferrando, J.; 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.; St Denis, R. D.; Steele, G.; Stewart, G. A.; Thompson, A. S.; Wraight, K.; Wright, C.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland.
[Ay, C.; Blumenschein, U.; Brandt, O.; Erdmann, J.; Evangelakou, D.; George, M.; Grosse-Knetter, J.; Guindon, S.; Haller, J.; Henrichs, A.; Hensel, C.; Keil, M.; Knue, A.; Kohn, F.; Krieger, N.; Kroeninger, K.; Magradze, E.; Mann, A.; Meyer, J.; Quadt, A.; Roe, A.; Shabalina, E.; Uhrmacher, M.; Weber, P.; Weingarten, J.] Univ Gottingen, Phys Inst 2, Gottingen, Germany.
[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.; Nodulman, L.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, Grenoble, France.
[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.; Nodulman, L.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] CNRS, IN2P3, Grenoble, France.
[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.; Nodulman, L.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Inst Natl Polytech Grenoble, F-38031 Grenoble, France.
[Addy, T. N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[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.; Foehlisch, 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 Phys, Heidelberg, Germany.
[Radescu, V.; Schaetzel, S.; Schmitt, 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.
[Chen, C.; Cochran, J.; Dudziak, F.; Lebedev, A.; Mete, A. S.; Meyer, W. T.; Nelson, A.; Prell, S.; Rosenberg, E. I.; Ruiz-Martinez, A.; Triplett, T.; 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.; 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.] Joint Inst Nucl Res Dubna, 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.
[Akiyama, A.; 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.; 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.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Buenos Aires, Argentina.
[Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, 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.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England.
[Bianco, M.; Cataldi, G.; Cazzato, A.; Chiodini, G.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] INFN Sez Lecce, Lecce, Italy.
[Bianco, M.; Cazzato, A.; 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.; 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.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia.
[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.
[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] 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.; 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.; 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.; Kuna, M.; 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.; Traynor, D.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France.
[Beau, T.; Bordoni, S.; Calderini, G.; Camard, A.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; 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.; Traynor, D.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.] Univ Paris Diderot, Paris, France.
[Beau, T.; Bordoni, S.; Calderini, G.; Camard, A.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; 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.; Traynor, D.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.] CNRS, IN2P3, Paris, France.
[Akesson, T. P. A.; Alonso, A.; Bocchetta, S. S.; Groth-Jensen, J.; Hedberg, V.; Jarlskog, G.; Lundberg, B.; Lytken, E.; Meirose, B.; Smirnova, O.] Lund Univ, Inst Fys, Lund, Sweden.
[Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Labarga, L.; Lagouri, T.; Llorente Merino, J.; March, L.; Nebot, E.; Rodier, S.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C15, Madrid, Spain.
[Aharrouche, M.; Arnaez, O.; Bendel, M.; Blum, W.; Buescher, 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.; Fer, U. Scha; 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.; Hughes-Jones, R. E.; 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.; Watts, S.; Yang, U. K.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England.
[Amorim, A.; Aoun, S.; Beddall, A.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Gomes, A.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Jorge, P. M.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Lopes, L.; Maio, A.; Monnier, E.; Morais, A.; Odier, J.; Palma, A.; Petit, E.; Pina, J.; Pinto, B.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Saraiva, J. G.; Silva, J.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France.
[Amorim, A.; Aoun, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Gomes, A.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Jorge, P. M.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Lopes, L.; Maio, A.; Monnier, E.; Morais, A.; Odier, J.; Palma, A.; Petit, E.; Pina, J.; Pinto, B.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Saraiva, J. G.; Silva, J.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, 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.; 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.; Purdham, J.; Qian, J.; Scheirich, D.; Thun, R. P.; Walch, S.; Wilson, A.; Yang, H.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Abolins, M.; Arabidze, G.; Brock, R.; Bromberg, C.; Caughron, S.; 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.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; Carminati, L.; Cavalli, D.; Costa, G.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Giugni, D.; Koletsou, I.; Lari, T.; Lazzaro, A.; 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.; Turra, R.; Vegni, G.; Volpini, G.] INFN Sez Milano, Milan, Italy.
[Acerbi, E.; Andreazza, A.; Besana, M. I.; 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.; Turra, R.; Vegni, G.] Univ Milan, Dipartimento Fis, Milan, Italy.
[Bogouch, A.; Harkusha, S.; 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, 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, 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.; Goettfert, T.; Groh, M.; Haefner, P.; Hauff, D.; 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.; 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.
[Shimojima, M.; Tanaka, Y.; Wakabayashi, J.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Carlino, G.; Cevenini, F.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; della Volpe, D.; Doria, A.; Giordano, R.; Iacobucci, G.; Iengo, P.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sekhniaidze, G.] INFN Sez Napoli, Naples, Italy.
[Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Carlino, G.; Cevenini, F.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; della Volpe, D.; Doria, A.; Giordano, R.; Iacobucci, G.; Iengo, P.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sekhniaidze, G.] 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.
[Chelstowska, M. A.; Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Konig, A. C.; Koetsveld, F.; Raas, M.; Salvucci, A.; 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.; Colijn, A. P.; 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.
[Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; 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.
[Calkins, R.; Chakraborty, D.; de Lima, J. G. Rocha; Suhr, C.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 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.
[Brau, J. E.; Federic, P.; 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.; 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.; 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.
[Abreu, H.; Arnault, C.; Auge, E.; 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.; 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.
[Hanagaki, K.; Hirose, M.; Meguro, T.; Nomachi, M.; Sugaya, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan.
[Bugge, L.; Buran, T.; Cameron, D.; 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.; Buchanan, J.; Buckingham, R. M.; Buira-Clark, D.; Coe, P.; Coniavitis, E.; Cooper-Sarkar, A. M.; Dehchar, M.; Doglioni, C.; Farrington, S. M.; 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.; Lewis, 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, B. S.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.; Vercesi, V.] INFN Sez Pavia, Pavia, Italy.
[Cambiaghi, M.; Conta, C.; Franchino, B. 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, 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.; Crescioli, F.; Del PreteA, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenono, Z.] INFN Sez Pisa, Pisa, Italy.
[Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del PreteA, T.; Dotti, A.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenono, 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.
[Amorim, A.; Anjos, N.; Arik, E.; Bogouch, A.; Caso, C.; Castro, N. F.; Muino, P. Conde; Dawson, J. W.; Do Valle Wemans, A.; Dobinson, R.; Dogan, O. B.; Doi, Y.; Dolgoshein, B. A.; Fiolhais, M. C. N.; Gomes, A.; Hill, D.; Jorge, P. M.; Lapin, V. V.; Lopes, L.; Miguens, J. Machado; Magalhaes Martins, P. J.; Maio, A.; Maneira, J.; Marin, A.; Moisseev, A. M.; Morais, A.; O'Neale, S. W.; Oliveira, M.; Onofre, A.; Palma, A.; Pina, J.; Pinto, B.; Rumiantsev, V.; Santos, H.; Saraiva, J. G.; Schmidt, M. P.; Silva, J.; Soares, M.; Strong, J. A.; Stumer, I.; Veloso, F.; Virchaux, M.; Zmouchko, V. V.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal.
[Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain.
[Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain.
[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.; Svatos, M.; 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.; 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.; 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.; Dewhurst, A.; Emeliyanov, D.; Fisher, S. M.; Gallop, B. J.; Gee, C. N. P.; Gillman, A. R.; Greenfield, D.; Haywood, S. J.; Kirk, J.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; 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.; Ciapetti, G.; D'Orazio, A.; De Pedis, D.; De Salvo, A.; Dionisi, C.; Falciano, S.; Gentile, S.; Giagu, S.; Giunta, M.; 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.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Valente, P.; Vari, R.; Veneziano, S.; Zanello, L.] INFN Sez Roma I, Rome, Italy.
[Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; Dionisi, C.; Gentile, S.; Giagu, S.; Giunta, M.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, Rome, Italy.
[Aielli, G.; Cardarelli, R.; Cattani, G.; Di ciaccio, A.; Di Nardo, R.; Di Simone, A.; Liberti, B.; Marchese, F.; Salamon, A.; Santonico, R.] INFN Sez Roma Tor Vergata, Rome, Italy.
[Aielli, G.; Camarri, P.; Cattani, G.; Di ciaccio, A.; Di Nardo, R.; Di Simone, A.; Marchese, F.; 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.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Passeri, A.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Spiriti, E.; Stanescu, C.] INFN Sez Roma Tre, Rome, Italy.
[Bacci, C.; Biglietti, M.; Ceradini, F.; Di Luise, S.; Orestano, D.; Pastore, F.; Petrucci, F.; Ruggieri, F.] Univ Roma Tre, Dipartimento Fis, Rome, Italy.
[Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummada, A.; Lablak, S.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco.
[Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco.
[El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci Semlalia, 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.
[El Moursli, R. Cherkaoui] Univ Mohammed 5, Fac Sci, Rabat, Morocco.
[Bachacou, H.; Bauer, F.; Besson, N.; Bolnet, N. M.; Boonekamp, M.; Chevalier, L.; 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.; Ouraou, A.; Resende, B.; Royon, C. R.; Schune, Ph.; Schwindling, J.; Simard, O.; Vickey, T.; Virchaux, M.] CEA Saclay, DSM IRFU, 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.; 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.; 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.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada.
[Butler, B.; Haas, A.; Horn, C.; Kenney, C. J.; Lowe, A. J.; Salnikov, A.; Schwartzman, A.; Silverstein, D.; Smith, D.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA.
[Batkova, L.; Blazek, T.; Pecsy, M.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia.
[Antos, J.; Bruncko, D.; Ferencei, J.; Kladiva, E.; Seman, M.; Strizenec, P.] Slovak Acad Sci, Inst Expt Phys, Dept Subnuclear Phys, Kosice 04353, Slovakia.
[Aurousseau, M.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa.
[Leney, K. J. C.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa.
[Batkova, L.; Blazek, T.; Pecsy, M.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Stockholm Univ, Dept Phys, S-10691 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.; Strandberg, J.] 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, 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.; 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.; Azuma, Y.; Dohmae, T.; Imori, M.; 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.
[Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; 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.
[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.; Keung, J.; 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.
[Canepa, A.; Caron, B.; Chekulaev, S. V.; Fortin, D.; Losty, M. J.; Nugent, I. M.; Oram, C. J.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.] 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.] INFN 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.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden.
[Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Fis Corpuscular, Valencia, Spain.
[Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Fis Mol & Nucl, Valencia, Spain.
[Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Ingn Elect, Valencia, Spain.
[Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Microelect Barcelona, Valencia, Spain.
[Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Villaplana Perez, M.; Vos, M.; Wildauer, A.] CSIC, 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.; 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.; Stroehmer, R.; Trefzger, T.] Univ Wurzburg, Fak Phys & Astron, Wurzburg, Germany.
[Barisonzi, M.; Becks, K. H.; Boek, J.; Braun, H. M.; 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.; Khoroshilov, A.; 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.; Bedikian, S.; 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.; Cogneras, E.; Rahal, G.] CNRS, Ctr Calcul, Domaine Sci Doua, IN2P3, Villeurbanne, France.
[Aguilar-Saavedra, J. A.] Univ Lisbon, Fac Ciencias & CFNUL, Lisbon, Portugal.
[Gingrich, D. M.; Oakham, F. G.; Savard, P.; Vetterli, M. C.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
[Bold, T.; Grabowska-Bold, I.] Univ Coimbra, Dept Phys, Coimbra, Portugal.
[Carvalho, J.; Fiolhais, M. C. N.; Magalhaes Martins, P. J.; Oliveira, M.; Wolters, H.] Univ Napoli Parthenope, Naples, Italy.
[Corriveau, F.; McPherson, R. A.; Robertson, S. H.; Sobie, R.; Teuscher, R. J.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey.
RP Aad, G (reprint author), Univ Freiburg, Fak Math & Phy, Freiburg, Germany.
RI Veneziano, Stefano/J-1610-2012; Di Micco, Biagio/J-1755-2012; spagnolo,
stefania/A-6359-2012; Di Nardo, Roberto/J-4993-2012; Della Pietra,
Massimo/J-5008-2012; Bergeaas Kuutmann, Elin/A-5204-2013; Cascella,
Michele/B-6156-2013; M, Saleem/B-9137-2013; messina, andrea/C-2753-2013;
de Groot, Nicolo/A-2675-2009; Amorim, Antonio/C-8460-2013; Orlov,
Ilya/E-6611-2012; Li, Xuefei/C-3861-2012; Smirnova, Lidia/D-8089-2012;
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; Livan, Michele/D-7531-2012; Mitsou,
Vasiliki/D-1967-2009; Joergensen, Morten/E-6847-2015; Martins,
Paulo/M-1844-2014; Mir, Lluisa-Maria/G-7212-2015; Riu, Imma/L-7385-2014;
Cavalli-Sforza, Matteo/H-7102-2015; Ferrer, Antonio/H-2942-2015; Hansen,
John/B-9058-2015; Grancagnolo, Sergio/J-3957-2015; Shmeleva,
Alevtina/M-6199-2015; Camarri, Paolo/M-7979-2015; Gavrilenko,
Igor/M-8260-2015; Jones, Roger/H-5578-2011; Chekulaev,
Sergey/O-1145-2015; Gorelov, Igor/J-9010-2015; Carvalho,
Joao/M-4060-2013; Booth, Christopher/B-5263-2016; Tikhomirov,
Vladimir/M-6194-2015; 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; Vranjes Milosavljevic,
Marija/F-9847-2016; Marcisovsky, Michal/H-1533-2014; Mikestikova,
Marcela/H-1996-2014; Snesarev, Andrey/H-5090-2013; Svatos,
Michal/G-8437-2014; Chudoba, Jiri/G-7737-2014; Peleganchuk,
Sergey/J-6722-2014; Santamarina Rios, Cibran/K-4686-2014; Bosman,
Martine/J-9917-2014; Lei, Xiaowen/O-4348-2014; Demirkoz,
Bilge/C-8179-2014; Ventura, Andrea/A-9544-2015; Villaplana Perez,
Miguel/B-2717-2015; Capua, Marcella/A-8549-2015; Tartarelli, Giuseppe
Francesco/A-5629-2016; la rotonda, laura/B-4028-2016; Solodkov,
Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Monzani,
Simone/D-6328-2017; Karyukhin, Andrey/J-3904-2014; Grancagnolo,
Francesco/K-2857-2015; Korol, Aleksandr/A-6244-2014; Bauer,
Florian/G-8816-2011; Gutierrez, Phillip/C-1161-2011; Ferrando,
James/A-9192-2012; collins-tooth, christopher/A-9201-2012; Perrino,
Roberto/B-4633-2010; De Cecco, Sandro/B-1016-2012; branchini,
paolo/A-4857-2011; Wolter, Marcin/A-7412-2012; McKee, Shawn/B-6435-2012;
Rotaru, Marina/A-3097-2011; Buttar, Craig/D-3706-2011; Takai,
Helio/C-3301-2012; St.Denis, Richard/C-8997-2012; Britton,
David/F-2602-2010; Marti-Garcia, Salvador/F-3085-2011; Laycock,
Paul/F-7543-2011; Conde Muino, Patricia/F-7696-2011; Stoicea,
Gabriel/B-6717-2011; Robson, Aidan/G-1087-2011; Losada,
Marta/B-2261-2010; valente, paolo/A-6640-2010; Doyle,
Anthony/C-5889-2009; Andreazza, Attilio/E-5642-2011; Jakubek,
Jan/E-6530-2011; Smirnov, Sergei/F-1014-2011; Fazio, Salvatore
/G-5156-2010; SULIN, VLADIMIR/N-2793-2015; Olshevskiy,
Alexander/I-1580-2016; BESSON, NATHALIE/L-6250-2015; 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; Idzik, Marek/A-2487-2017; 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;
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; Annovi,
Alberto/G-6028-2012; Brooks, William/C-8636-2013; Pina, Joao
/C-4391-2012; Vanyashin, Aleksandr/H-7796-2013; Casadei,
Diego/I-1785-2013; La Rosa, Alessandro/I-1856-2013; Moraes,
Arthur/F-6478-2010; Boyko, Igor/J-3659-2013; 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
OI Veneziano, Stefano/0000-0002-2598-2659; spagnolo,
stefania/0000-0001-7482-6348; Della Pietra, Massimo/0000-0003-4446-3368;
Cascella, Michele/0000-0003-2091-2501; Orlov, Ilya/0000-0003-4073-0326;
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; Livan, Michele/0000-0002-5877-0062; Mitsou,
Vasiliki/0000-0002-1533-8886; 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; Ferrer,
Antonio/0000-0003-0532-711X; Hansen, John/0000-0002-8422-5543;
Grancagnolo, Sergio/0000-0001-8490-8304; Camarri,
Paolo/0000-0002-5732-5645; Jones, Roger/0000-0002-6427-3513; Gorelov,
Igor/0000-0001-5570-0133; Carvalho, Joao/0000-0002-3015-7821; Booth,
Christopher/0000-0002-6051-2847; Tikhomirov,
Vladimir/0000-0002-9634-0581; 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;
Vranjes Milosavljevic, Marija/0000-0003-4477-9733; Mikestikova,
Marcela/0000-0003-1277-2596; Svatos, Michal/0000-0002-7199-3383;
Peleganchuk, Sergey/0000-0003-0907-7592; Santamarina Rios,
Cibran/0000-0002-9810-1816; Bosman, Martine/0000-0002-7290-643X; Lei,
Xiaowen/0000-0002-2564-8351; Ventura, Andrea/0000-0002-3368-3413;
Villaplana Perez, Miguel/0000-0002-0048-4602; De Lotto,
Barbara/0000-0003-3624-4480; 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; 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; Solodkov,
Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368;
Monzani, Simone/0000-0002-0479-2207; Gomes,
Agostinho/0000-0002-5940-9893; Karyukhin, Andrey/0000-0001-9087-4315;
Grancagnolo, Francesco/0000-0002-9367-3380; Korol,
Aleksandr/0000-0001-8448-218X; Maio, Amelia/0000-0001-9099-0009;
Fiolhais, Miguel/0000-0001-9035-0335; Ferrando,
James/0000-0002-1007-7816; Perrino, Roberto/0000-0002-5764-7337; McKee,
Shawn/0000-0002-4551-4502; Rotaru, Marina/0000-0003-3303-5683; Takai,
Helio/0000-0001-9253-8307; Britton, David/0000-0001-9998-4342; Conde
Muino, Patricia/0000-0002-9187-7478; Stoicea,
Gabriel/0000-0002-7511-4614; valente, paolo/0000-0002-5413-0068; Doyle,
Anthony/0000-0001-6322-6195; Andreazza, Attilio/0000-0001-5161-5759;
Smirnov, Sergei/0000-0002-6778-073X; SULIN,
VLADIMIR/0000-0003-3943-2495; Olshevskiy, Alexander/0000-0002-8902-1793;
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; 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;
Morozov, Sergey/0000-0002-6748-7277; Villa, Mauro/0000-0002-9181-8048;
Annovi, Alberto/0000-0002-4649-4398; Brooks,
William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Vanyashin,
Aleksandr/0000-0002-0367-5666; La Rosa, Alessandro/0000-0001-6291-2142;
Moraes, Arthur/0000-0002-5157-5686; Boyko, Igor/0000-0002-3355-4662;
Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci,
Elena/0000-0002-5347-7764
FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS,
Azerbaijan; SSTC, Belarus; CNPq; 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; CEA-DSM/IRFU, France
[IN2P3-CNRS]; 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; NWO, Netherlands;
RCN, Norway; MNiSW, Poland; GRICES; FCT, Portugal; MERYS (MECTS),
Romania; MES of Russia; ROSATOM; Russian Federation; JINR; MSTD, Serbia;
MSSR, Slovakia; ARRS; MVZT, Slovenia; DST/NRF, South Africa; 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, USA
FX We thank CERN for the very successful operation of the LHC, 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, 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; and DOE
and NSF, USA. 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 (Netherlands),
PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA), and in the Tier-2
facilities worldwide.
NR 38
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U1 7
U2 49
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 JUL 1
PY 2011
VL 84
IS 1
AR 011101
DI 10.1103/PhysRevD.84.011101
PG 18
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 786SU
UT WOS:000292329000001
ER
PT J
AU Kritcher, AL
Doppner, T
Fortmann, C
Ma, T
Landen, OL
Wallace, R
Glenzer, SH
AF Kritcher, A. L.
Doeppner, T.
Fortmann, C.
Ma, T.
Landen, O. L.
Wallace, R.
Glenzer, S. H.
TI In-Flight Measurements of Capsule Shell Adiabats in Laser-Driven
Implosions
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID RAY THOMSON SCATTERING; NATIONAL IGNITION FACILITY; DENSE MATTER;
TARGETS; PLASMA
AB We present the first x-ray Thomson scattering measurements of temperature and density from spherically imploding matter. The shape of the Compton downscattered spectrum provides a first-principles measurement of the electron velocity distribution function, dependent on T-e and the Fermi temperature T-F similar to n(e)(2/3). In-flight compressions of Be and CH targets reach 6-13 times solid density, with T-e/T-F similar to 0.4-0.7 and Gamma(ii) similar to 5, resulting in minimum adiabats of similar to 1.6-2. These measurements are consistent with low-entropy implosions and predictions by radiation-hydrodynamic modeling.
C1 [Kritcher, A. L.; Doeppner, T.; Fortmann, C.; Ma, T.; Landen, O. L.; Wallace, R.; Glenzer, S. H.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Fortmann, C.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
RP Kritcher, AL (reprint author), Lawrence Livermore Natl Lab, L-493,POB 808, Livermore, CA 94551 USA.
RI Ma, Tammy/F-3133-2013
OI Ma, Tammy/0000-0002-6657-9604
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; Laboratory Directed Research and Development
[11-ER-050]; Humboldt Foundation
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract No.
DE-AC52-07NA27344 and supported by Laboratory Directed Research and
Development Grant No. 11-ER-050. C. F. is supported by the Humboldt
Foundation. Thanks to R. Bahukutumbi for discussions on pulse shaping.
NR 28
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PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD JUL 1
PY 2011
VL 107
IS 1
AR 015002
DI 10.1103/PhysRevLett.107.015002
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 786TN
UT WOS:000292330900008
PM 21797548
ER
PT J
AU Weon, BM
Kim, JT
Je, JH
Yi, JM
Wang, S
Lee, WK
AF Weon, B. M.
Kim, J. T.
Je, J. H.
Yi, J. M.
Wang, S.
Lee, W. -K.
TI Colloid Coalescence with Focused X Rays
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SPHERES; TEMPERATURE; DIFFUSION; PARTICLES; BEHAVIOR; CONTACT; SOLIDS;
BUBBLE
AB We show direct evidence that focused x rays enable us to merge polymer colloidal particles at room temperature. This phenomenon is ascribed to the photochemical scission of colloids with x rays, reducing the molecular weight, glass transition temperature, surface tension, and viscosity of colloids. The observation of the neck bridge growth with time shows that the x-ray-induced colloid coalescence is analogous to viscoelastic coalescence. This finding suggests a feasible protocol of photonic nano-fabrication by sintering or welding of polymers, without thermal damage, using x-ray photonics.
C1 [Weon, B. M.; Kim, J. T.; Je, J. H.] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Xray Imaging Ctr, Pohang 790784, South Korea.
[Yi, J. M.] Samsung Adv Inst Technol, Yongin 446712, Gyeonggi, South Korea.
[Wang, S.; Lee, W. -K.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Weon, BM (reprint author), Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Xray Imaging Ctr, Pohang 790784, South Korea.
EM bmweon@hotmail.com; jhje@postech.ac.kr
RI Weon, Byung Mook/D-1493-2011
OI Weon, Byung Mook/0000-0002-5224-5590
FU MEST/NRF; U.S. Department of Energy, Office of Science, Office of Basic
Energy Sciences [DE-AC02-06CH11357]
FX This work was supported by the Creative Research Initiatives (Functional
X-ray Imaging) by MEST/NRF. Use of the Advanced Photon Source 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 33
TC 7
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U1 0
U2 5
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 JUL 1
PY 2011
VL 107
IS 1
AR 018301
DI 10.1103/PhysRevLett.107.018301
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 786TN
UT WOS:000292330900017
PM 21797577
ER
PT J
AU Wagner, A
Tobimatsu, Y
Phillips, L
Flint, H
Torr, K
Donaldson, L
Pears, L
Ralph, J
AF Wagner, Armin
Tobimatsu, Yuki
Phillips, Lorelle
Flint, Heather
Torr, Kirk
Donaldson, Lloyd
Pears, Lana
Ralph, John
TI CCoAOMT suppression modifies lignin composition in Pinus radiata
SO PLANT JOURNAL
LA English
DT Article
DE Pinus radiata; caffeoyl-CoA 3-O-methyltransferase; tracheary elements;
lignin; caffeyl alcohol; benzodioxane
ID TRACHEARY ELEMENT DIFFERENTIATION; THERMAL-DEGRADATION PRODUCTS;
MASS-SPECTROMETRIC CHARACTERIZATION; POLYSACCHARIDE DERIVED PRODUCTS;
GAS-CHROMATOGRAPHIC SEPARATION; CINNAMYL ALCOHOL-DEHYDROGENASE; A
O-METHYLTRANSFERASE; MEDICAGO-SATIVA L.; CAFFEOYL-COENZYME; BIOFUEL
PRODUCTION
AB A cDNA clone encoding the lignin-related enzyme caffeoyl CoA 3-O-methyltransferase (CCoAOMT) was isolated from a Pinus radiata cDNA library derived from differentiating xylem. Suppression of PrCCoAOMT expression in P. radiata tracheary element cultures affected lignin content and composition, resulting in a lignin polymer containing p-hydroxyphenyl (H), catechyl (C) and guaiacyl (G) units. Acetyl bromide-soluble lignin assays revealed reductions in lignin content of up to 20% in PrCCoAOMT-deficient transgenic lines. Pyrolysis-GC/MS and 2D-NMR studies demonstrated that these reductions were due to depletion of G-type lignin. Correspondingly, the proportion of H-type lignin in PrCCoAOMT-deficient transgenic lines increased, resulting in up to a 10-fold increase in the H/G ratio relative to untransformed controls. 2D-NMR spectra revealed that PrCCoAOMT suppression resulted in formation of benzodioxanes in the lignin polymer. This suggested that phenylpropanoids with an ortho-diphenyl structure such as caffeyl alcohol are involved in lignin polymerization. To test this hypothesis, synthetic lignins containing methyl caffeate or caffeyl alcohol were generated and analyzed by 2D-NMR. Comparison of the 2D-NMR spectra from PrCCoAOMT-RNAi lines and synthetic lignins identified caffeyl alcohol as the new lignin constituent in PrCCoAOMT-deficient lines. The incorporation of caffeyl alcohol into lignin created a polymer containing catechyl units, a lignin type that has not been previously identified in recombinant lignin studies. This finding is consistent with the theory that lignin polymerization is based on a radical coupling process that is determined solely by chemical processes.
C1 [Wagner, Armin; Phillips, Lorelle; Flint, Heather; Torr, Kirk; Donaldson, Lloyd; Pears, Lana] Scion, Rotorua, New Zealand.
[Tobimatsu, Yuki; Ralph, John] Univ Wisconsin, Dept Biochem, Madison, WI 53705 USA.
[Ralph, John] Great Lakes Bioenergy Res Ctr, Dept Energy, Madison, WI USA.
[Ralph, John] Wisconsin Bioenergy Initiat, Madison, WI USA.
RP Wagner, A (reprint author), Scion, Private Bag 3020, Rotorua, New Zealand.
EM armin.wagner@scionresearch.com
FU New Zealand Foundation for Research, Science and Technology [C04X0207,
C04X0703]; US Department of Energy Great Lakes Bioenergy Research Center
(Department of Energy Office of Science) [BER DE-FC02-07ER64494]
FX This work was funded in part by grants C04X0207 and C04X0703 from the
New Zealand Foundation for Research, Science and Technology. J.R. was
funded in part by the US Department of Energy Great Lakes Bioenergy
Research Center (Department of Energy Office of Science BER
DE-FC02-07ER64494). We would like to thank Tim Strabala and Brian
Richardson for critical reading of this manuscript.
NR 62
TC 55
Z9 60
U1 1
U2 34
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0960-7412
J9 PLANT J
JI Plant J.
PD JUL
PY 2011
VL 67
IS 1
BP 119
EP 129
DI 10.1111/j.1365-313X.2011.04580.x
PG 11
WC Plant Sciences
SC Plant Sciences
GA 783SQ
UT WOS:000292104700011
PM 21426426
ER
PT J
AU Januszyk, K
Fleissner, MR
Atchabahian, L
Shieh, FK
Altenbach, C
Martin, SL
Guo, F
Hubbell, WL
Clubb, RT
AF Januszyk, Kurt
Fleissner, Mark R.
Atchabahian, Lara
Shieh, Fa-Kuen
Altenbach, Christian
Martin, Sandra L.
Guo, Feng
Hubbell, Wayne L.
Clubb, Robert T.
TI Site-directed spin labeling electron paramagnetic resonance study of the
ORF1 protein from a mouse L1 retrotransposon
SO PROTEIN SCIENCE
LA English
DT Article
DE retrotransposon; LINE-1; L1; nucleic acid chaperone; RNA-binding;
electron paramagnetic resonance spectroscopy; RRM; SDSL-EPR
ID C-TERMINAL DOMAIN; SIDE-CHAINS; CHAPERONE ACTIVITY; NITROXIDE MOTION;
HUMAN GENOMES; T4 LYSOZYME; RNA-BINDING; IN-VITRO; LINE-1; DYNAMICS
AB Long interspersed nuclear element-1 is a highly abundant mammalian retrotransposon that comprises 17% of the human genome. L1 retrotransposition requires the protein encoded by open reading frame-1 (ORF1p), which binds single-stranded RNA with high affinity and functions as a nucleic acid chaperone. ORF1p has been shown to adopt a homo-trimeric, asymmetric dumbbell-shaped structure. However, its atomic-level structure and mechanism of RNA binding remains poorly understood. Here, we report the results of a site-directed spin labeling electron paramagnetic resonance (SDSL-EPR) study of 27 residues within the RNA binding region of the full-length protein. The EPR data are compatible with the large RNA binding lobe of ORF1p containing a RNA recognition motif (RRM) domain and a carboxyl-terminal domain (CTD) that are predicted from crystallographic and NMR studies of smaller fragments of the protein. Interestingly, the EPR data indicate that residues in strands beta 3 and beta 4 of the RRM are structurally unstable, compatible with the previously observed sensitivity of this region to proteolysis. Affinity measurements and RNA-dependent EPR spectral changes map the RNA binding site on ORF1p to residues located in strands beta 3 and beta 4 of the RRM domain and to helix alpha 1 of the CTD. Complementary in vivo studies also identify residues within the RRM domain that are required for retrotransposition. We propose that in the context of the full-length trimeric protein these distinct surfaces are positioned adjacent to one another providing a continuous surface that may interact with nucleic acids.
C1 [Januszyk, Kurt; Fleissner, Mark R.; Atchabahian, Lara; Shieh, Fa-Kuen; Altenbach, Christian; Hubbell, Wayne L.; Clubb, Robert T.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA.
[Fleissner, Mark R.; Altenbach, Christian; Hubbell, Wayne L.] Univ Calif Los Angeles, Jules Stein Eye Inst, Los Angeles, CA 90095 USA.
[Martin, Sandra L.] Univ Colorado, Sch Med, Human Med Genet Program, Aurora, CO 80045 USA.
[Martin, Sandra L.] Univ Colorado, Sch Med, Dept Cell & Dev Biol, Aurora, CO 80045 USA.
[Guo, Feng; Hubbell, Wayne L.; Clubb, Robert T.] Univ Calif Los Angeles, Inst Mol Biol, Los Angeles, CA 90095 USA.
[Clubb, Robert T.] Univ Calif Los Angeles, UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA.
RP Fleissner, MR (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, 611 Charles E Young Dr, Los Angeles, CA 90095 USA.
EM mfleissn@ucla.edu; rclubb@mbi.ucla.edu
FU NIH [R01-GM57487, R01-AI52217, R01EY05216, RT32EY007026]; UCLA; Jules
Stein Professorship Endowment
FX Grant sponsor: NIH; Grant numbers: R01-GM57487, R01-AI52217, R01EY05216,
RT32EY007026; Grant sponsors: UCLA Dissertation Year Fellowship; Jules
Stein Professorship Endowment.
NR 48
TC 1
Z9 1
U1 0
U2 4
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0961-8368
J9 PROTEIN SCI
JI Protein Sci.
PD JUL
PY 2011
VL 20
IS 7
BP 1231
EP 1243
DI 10.1002/pro.651
PG 13
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 785UV
UT WOS:000292257600016
PM 21563223
ER
PT J
AU Meruelo, AD
Samish, I
Bowie, JU
AF Meruelo, Alejandro D.
Samish, Ilan
Bowie, James U.
TI TMKink: A method to predict transmembrane helix kinks
SO PROTEIN SCIENCE
LA English
DT Article
DE membrane protein; protein structure; structure prediction; protein
folding
ID PROTEIN SECONDARY STRUCTURE; NEURAL-NETWORK; SEQUENCE; MEMBRANE;
CONFORMATIONS; DISTORTIONS; MODULATE; DATABASE; PROLINE; SERVER
AB A hallmark of membrane protein structure is the large number of distorted transmembrane helices. Because of the prevalence of bends, it is important to not only understand how they are generated but also to learn how to predict their occurrence. Here, we find that there are local sequence preferences in kinked helices, most notably a higher abundance of proline, which can be exploited to identify bends from local sequence information. A neural network predictor identifies over two-thirds of all bends (sensitivity 0.70) with high reliability (specificity 0.89). It is likely that more structural data will allow for better helix distortion predictors with increased coverage in the future. The kink predictor, TMKink, is available at http://tmkinkpredictor.mbi.ucla.edu/.
C1 [Bowie, James U.] Univ Calif Los Angeles, Dept Chem & Biochem, UCLA DOE Inst Genom & Prote, Inst Mol Biol, Los Angeles, CA 90095 USA.
[Meruelo, Alejandro D.] Univ Calif Los Angeles, Med Scientist Training Program, UCLA DOE Inst Genom & Prote, Inst Mol Biol, Los Angeles, CA 90095 USA.
[Samish, Ilan] Weizmann Inst Sci, Dept Biol Struct, IL-76100 Rehovot, Israel.
RP Bowie, JU (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, UCLA DOE Inst Genom & Prote, Inst Mol Biol, Los Angeles, CA 90095 USA.
EM bowie@mbi.ucla.edu
RI samish, ilan/B-7980-2016; Meruelo, Alejandro/L-3118-2016
OI samish, ilan/0000-0002-0299-9124; Meruelo, Alejandro/0000-0001-6087-1818
FU NIH [RO1 GM063919]; Ruth L. Kirschstein NRSA Predoctoral Fellowship
Award
FX Grant sponsor: NIH; Grant number: RO1 GM063919; Grant sponsors: Ruth L.
Kirschstein NRSA Predoctoral Fellowship Award to Promote Diversity in
Health-Related Research, Molecular Biology Whitecome Stipend.
NR 31
TC 24
Z9 25
U1 0
U2 4
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0961-8368
EI 1469-896X
J9 PROTEIN SCI
JI Protein Sci.
PD JUL
PY 2011
VL 20
IS 7
BP 1256
EP 1264
DI 10.1002/pro.653
PG 9
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 785UV
UT WOS:000292257600018
PM 21563225
ER
PT J
AU Palmer, TA
Elmer, JW
Mayr, P
Specht, ED
AF Palmer, T. A.
Elmer, J. W.
Mayr, P.
Specht, E. D.
TI Direct observation of austenitisation in 1005 C-Mn steel during
continuous heating using in situ synchrotron X-ray diffraction
SO SCIENCE AND TECHNOLOGY OF WELDING AND JOINING
LA English
DT Article
DE Austenitisation; Steels; Phase transformation; Synchrotron radiation
ID DUAL-PHASE STEELS; LOW-CARBON STEEL; ARC WELDS; AFFECTED ZONE; MANGANESE
STEEL; LATTICE-PARAMETERS; TRANSFORMATIONS; FERRITE; KINETICS; PEARLITE
AB The austenitisation (alpha ->gamma) transformation in a 1005 C-Mn steel is monitored in real time at continuous heating rates between 1 and 10 degrees C s(-1) using in situ synchrotron X-ray diffraction and validated using dilatometry. Experimental validation is provided for austenitisation models that predict that the austenitisation transformation proceeds through multiple mechanisms. At temperatures below the A1 transformation temperature, the starting microstructure undergoes recovery and recrystallisation to relieve stress imparted during the initial thermomechanical processing of the steel. The austenitisation transformation follows, beginning at the A1 temperature, with the initial transformation proceeding as the pearlite in the microstructure is dissolved and high carbon concentration austenite is formed. Since the carbon is localised near the original pearlite colonies, there is a pronounced heating rate dependent delay before the remaining low C ferrite grains begin to transform. The transformation reaches completion at temperatures above the A3 temperature, and the last ferrite to be transformed is nearly pure iron.
C1 [Mayr, P.] Graz Univ Technol, A-8010 Graz, Austria.
[Palmer, T. A.; Elmer, J. W.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Specht, E. D.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Mayr, P (reprint author), Graz Univ Technol, A-8010 Graz, Austria.
EM peter.mayr@tugraz.at
RI Mayr, Peter/C-4560-2008; Specht, Eliot/A-5654-2009
OI Mayr, Peter/0000-0003-2530-4644; Specht, Eliot/0000-0002-3191-2163
FU US Department of Energy, Lawrence Livermore National Laboratory
[W-7405-ENG-48]; US Department of Energy Division of Materials Sciences
and Engineering [DE-AC05-00OR22725]; UT-Battelle, LLC; US DOE through
the Frederick Seitz Materials Research Laboratory at the University of
Illinois at Urbana-Champaign [DEFG02-91ER45439]; Oak Ridge National
Laboratory (US DOE) [DE-AC05-00OR22725]; Oak Ridge National Laboratory
(UT-Battelle LLC); National Institute of Standards and Technology (US
Department of Commerce); UOP LLC; US DOE, Basic Energy Sciences, Office
of Science [W-31-109-ENG-38]
FX The LLNL portion of this work was performed under the auspices of the US
Department of Energy, Lawrence Livermore National Laboratory, under
contract no. W-7405-ENG-48. The ORNL portion of this work was sponsored
by the US Department of Energy Division of Materials Sciences and
Engineering under contract no. DE-AC05-00OR22725 with UT-Battelle, LLC.
The UNICAT facility at the APS is supported by the US DOE under award
no. DEFG02-91ER45439, through the Frederick Seitz Materials Research
Laboratory at the University of Illinois at Urbana-Champaign, the Oak
Ridge National Laboratory (US DOE contract DE-AC05-00OR22725 with
UT-Battelle LLC), the National Institute of Standards and Technology (US
Department of Commerce) and UOP LLC. The APS is supported by the US DOE,
Basic Energy Sciences, Office of Science under contract no.
W-31-109-ENG-38. The authors express gratitude to Bob Vallier and
Jackson Go of LLNL for performing optical metallography.
NR 44
TC 3
Z9 3
U1 2
U2 16
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 JUL
PY 2011
VL 16
IS 5
BP 377
EP 384
DI 10.1179/1362171811Y.0000000028
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 783KY
UT WOS:000292082500001
ER
PT J
AU Chambers, SA
AF Chambers, Scott A.
TI Understanding the mechanism of conductivity at the LaAlO3/SrTiO3(001)
interface
SO SURFACE SCIENCE
LA English
DT Article
DE Electrical transport measurements; Lanthanum; Aluminum; Oxygen;
Strontium; Titanium; Single crystal epitaxy; Heterojunctions
ID 2-DIMENSIONAL ELECTRON-GAS; SRTIO3/LAALO3 INTERFACES; OXIDE INTERFACES;
SRTIO3 FILMS; HETEROJUNCTION; TEMPERATURE
AB The observation of conductivity at (001)-oriented interfaces of the 2 band insulators LaAlO3 and SrTiO3 is both fascinating and potentially useful for next-generation electronics. The paradigm commonly used to explain this phenomenon is an electronic reconstruction resulting from the instability created by forming an interface of polar and nonpolar perovskites, leading to the formation of a two-dimensional electron gas. This explanation has typically been conceptualized within the framework of an atomically abrupt interface. However, a significant and growing body of data now exists which reveals that the interface is not abrupt, and that all four cations diffuse across the interface. Yet, the potential roles of the resulting defects and dopants in alleviating the polar catastrophe and promoting conductivity are rarely considered. The purpose of this prospective is to take an overview of the field from outside the reigning paradigm and consider ways in which dopants and defects might affect the electronic structure. (C) 2011 Elsevier B.V. All rights reserved.
C1 Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA.
RP Chambers, SA (reprint author), Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, POB 999,MS K8-87, Richland, WA 99352 USA.
EM sa.chambers@pnl.gov
FU U.S. Department of Energy, Office of Science, Division of Materials
Sciences and Engineering; Department of Energy's Office of Biological
and Environmental Research
FX The author thanks Bharat Jalan, Susanne Stemmer, Jim Allen and Jeremy
Levy for informative discussions, as well as Peter Sushko and Tim
Droubay for critical readings of this manuscript. This work was
supported by the U.S. Department of Energy, Office of Science, Division
of Materials Sciences and Engineering, and was performed in the
Environmental Molecular Sciences Laboratory, a national science user
facility sponsored by the Department of Energy's Office of Biological
and Environmental Research and located at Pacific Northwest National
Laboratory.
NR 49
TC 36
Z9 36
U1 2
U2 39
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0039-6028
EI 1879-2758
J9 SURF SCI
JI Surf. Sci.
PD JUL
PY 2011
VL 605
IS 13-14
BP 1133
EP 1140
DI 10.1016/j.susc.2011.04.011
PG 8
WC Chemistry, Physical; Physics, Condensed Matter
SC Chemistry; Physics
GA 781BK
UT WOS:000291905400002
ER
PT J
AU Brooks, JD
Chen, TL
Mullins, DR
Cox, DF
AF Brooks, John D.
Chen, Tsung-Liang
Mullins, David R.
Cox, David F.
TI Reactions of ethylidene on a model chromia surface: 1,1-dichloroethane
on stoichiometric alpha-Cr2O3 (10(1)over-bar2)
SO SURFACE SCIENCE
LA English
DT Article
DE Temperature programmed desorption; Chromium oxide; 1,1-dichloroethane;
Halogen; Ethane dehydrogenation; Ethylidene
ID IRON CARBENE COMPLEXES; METHYL RADICALS; OXIDATIVE DEHYDROGENATION;
ALKYLIDENE TRANSFER; CRYSTAL SURFACES; OXIDE CATALYSTS; CARBON-DIOXIDE;
DECOMPOSITION; ETHYLENE; PD(111)
AB The reaction of CH3CHCl2 over the nearly-stoichiometric alpha-Cr2O3 (10 (1) over bar2) surface produces an ethylidene intermediate that yields primarily gas phase CH2=CH2 and surface chlorine adatoms: however, trace amounts of HC CH, CH3CH3, H-2 and CH3CH=CHCH3 are also observed. A rate-limiting intramolecular isomerization (2,1-hydrogen shift) in the surface ethylidene species produces gas phase CH2=CH2. The chlorine freed from the dissociation of CH3CHCl2 binds at the five-coordinate surface Cr3+ sites on the stoichiometric surface, completing the octahedral coordination sphere, and inhibits the surface chemistry by simple site blocking. No surface carbon deposition is observed from the thermal reaction of 1,1-dichloroethane under the conditions of this study, demonstrating that the ethylidene intermediate is not a primary coke forming intermediate over (10 (1) over bar2) facets of alpha-Cr2O3 under the conditions of this study. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Brooks, John D.; Cox, David F.] Virginia Polytech Inst & State Univ, Dept Chem Engn, Blacksburg, VA 24061 USA.
[Chen, Tsung-Liang; Mullins, David R.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Cox, DF (reprint author), Virginia Polytech Inst & State Univ, Dept Chem Engn, Blacksburg, VA 24061 USA.
EM dfcox@vt.edu
FU Chemical Sciences, Geosciences and Biosciences Division, Office of Basic
Energy Sciences, Office of Science, U.S. Department of Energy
[DE-FG02-97ER14751]; Division of Chemical Sciences, Geosciences, and
Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy
[DE-AC05-000R22725]; Oak Ridge National Laboratory; U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-98CH10886]
FX JDB and DFC gratefully acknowledge financial support by the Chemical
Sciences, Geosciences and Biosciences Division, Office of Basic Energy
Sciences, Office of Science, U.S. Department of Energy through Grant
DE-FG02-97ER14751. The efforts of TLC and DRM are sponsored by the
Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, U.S. Department of Energy, under contract No.
DE-AC05-000R22725 with Oak Ridge National Laboratory, managed and
operated by UT-Battelle, LLC. Use of the National Synchrotron Light
Source, Brookhaven National Laboratory, is supported by the U.S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences, under Contract No. DE-AC02-98CH10886.
NR 42
TC 1
Z9 1
U1 2
U2 10
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0039-6028
EI 1879-2758
J9 SURF SCI
JI Surf. Sci.
PD JUL
PY 2011
VL 605
IS 13-14
BP 1170
EP 1176
DI 10.1016/j.susc.2011.03.020
PG 7
WC Chemistry, Physical; Physics, Condensed Matter
SC Chemistry; Physics
GA 781BK
UT WOS:000291905400008
ER
PT J
AU Preston, BL
Yuen, EJ
Westaway, RM
AF Preston, Benjamin L.
Yuen, Emma J.
Westaway, Richard M.
TI Putting vulnerability to climate change on the map: a review of
approaches, benefits, and risks
SO SUSTAINABILITY SCIENCE
LA English
DT Review
DE Vulnerability assessment; Mapping; Climate change; Adaptation
ID SEA-LEVEL RISE; GLOBAL ENVIRONMENTAL-CHANGE; 2003 HEAT-WAVE; ADAPTIVE
CAPACITY; COASTAL VULNERABILITY; SOCIAL VULNERABILITY; NATURAL HAZARDS;
FACILITATING ADAPTATION; MARINE ECOSYSTEMS; HEALTH-RISKS
AB There is growing demand among stakeholders across public and private institutions for spatially-explicit information regarding vulnerability to climate change at the local scale. However, the challenges associated with mapping the geography of climate change vulnerability are non-trivial, both conceptually and technically, suggesting the need for more critical evaluation of this practice. Here, we review climate change vulnerability mapping in the context of four key questions that are fundamental to assessment design. First, what are the goals of the assessment? A review of published assessments yields a range of objective statements that emphasize problem orientation or decision-making about adaptation actions. Second, how is the assessment of vulnerability framed? Assessments vary with respect to what values are assessed (vulnerability of what) and the underlying determinants of vulnerability that are considered (vulnerability to what). The selected frame ultimately influences perceptions of the primary driving forces of vulnerability as well as preferences regarding management alternatives. Third, what are the technical methods by which an assessment is conducted? The integration of vulnerability determinants into a common map remains an emergent and subjective practice associated with a number of methodological challenges. Fourth, who participates in the assessment and how will it be used to facilitate change? Assessments are often conducted under the auspices of benefiting stakeholders, yet many lack direct engagement with stakeholders. Each of these questions is reviewed in turn by drawing on an illustrative set of 45 vulnerability mapping studies appearing in the literature. A number of pathways for placing vulnerability mapping on a more robust footing are also identified.
C1 [Preston, Benjamin L.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Yuen, Emma J.] CSIRO Climate Adaptat Flagship, Aspendale, Vic 3195, Australia.
[Westaway, Richard M.] IMS Consulting, Bristol BS1 2AW, Avon, England.
RP Preston, BL (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008,MS 6038,1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM prestonbl@ornl.gov; emma.j.yuen@csiro.au; westaway.richard@gmail.com
RI Yuen, Emma/G-5110-2012; Preston, Benjamin/B-9001-2012
OI Preston, Benjamin/0000-0002-7966-2386
NR 187
TC 108
Z9 110
U1 18
U2 138
PU SPRINGER JAPAN KK
PI TOKYO
PA CHIYODA FIRST BLDG EAST, 3-8-1 NISHI-KANDA, CHIYODA-KU, TOKYO, 101-0065,
JAPAN
SN 1862-4065
EI 1862-4057
J9 SUSTAIN SCI
JI Sustain. Sci.
PD JUL
PY 2011
VL 6
IS 2
BP 177
EP 202
DI 10.1007/s11625-011-0129-1
PG 26
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Environmental Sciences
SC Science & Technology - Other Topics; Environmental Sciences & Ecology
GA 782VV
UT WOS:000292041700007
ER
PT J
AU Andres, RJ
Gregg, JS
Losey, L
Marland, G
Boden, TA
AF Andres, R. J.
Gregg, J. S.
Losey, L.
Marland, G.
Boden, T. A.
TI Monthly, global emissions of carbon dioxide from fossil fuel consumption
SO TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY
LA English
DT Article
ID UNITED-STATES; CO2 EMISSIONS; INVENTORY; CYCLE; US
AB This paper examines available data, develops a strategy and presents a monthly, global time series of fossil-fuel carbon dioxide emissions for the years 1950-2006. This monthly time series was constructed from detailed study of monthly data from the 21 countries that account for approximately 80% of global total emissions. These data were then used in a Monte Carlo approach to proxy for all remaining countries. The proportional-proxy methodology estimates by fuel group the fraction of annual emissions emitted in each country and month. Emissions from solid, liquid and gas fuels are explicitly modelled by the proportional-proxy method. The primary conclusion from this study is the global monthly time series is statistically significantly different from a uniform distribution throughout the year. Uncertainty analysis of the data presented show that the proportional-proxy method used faithfully reproduces monthly patterns in the data and the global monthly pattern of emissions is relatively insensitive to the exact proxy assignments used. The data and results presented here should lead to a better understanding of global and regional carbon cycles, especially when the mass data are combined with the stable carbon isotope data in atmospheric transport models.
C1 [Andres, R. J.; Marland, G.; Boden, T. A.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Gregg, J. S.] Riso DTU Natl Lab Sustainable Energy, DK-4000 Roskilde, Denmark.
[Losey, L.] Univ N Dakota, Dept Space Studies, Grand Forks, ND 58202 USA.
RP Andres, RJ (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008, Oak Ridge, TN 37831 USA.
EM andresrj@ornl.gov
RI ANDRES, ROBERT/B-9786-2012; Gregg, Jay/C-6732-2011;
OI Gregg, Jay/0000-0003-3946-3099; ANDRES, ROBERT/0000-0001-8781-4979
FU U.S. Department of Energy [DE-FG02-03ER46030]; U.S. Department of
Energy, Office of Science; UT-Battelle, LLC, for the U.S. Department of
Energy [DE-AC05-00OR22725]; U.S. Government [DE-AC05-00OR22725]
FX This work was initially supported by U.S. Department of Energy grant
DE-FG02-03ER46030. This work was also sponsored by U.S. Department of
Energy, Office of Science, Biological and Environmental Research (BER)
programs and performed at Oak Ridge National Laboratory (ORNL). ORNL is
managed by UT-Battelle, LLC, for the U.S. Department of Energy under
contract DE-AC05-00OR22725. The submitted paper has been authored by a
contractor of the U.S. Government under contract DE-AC05-00OR22725.
Accordingly, the U.S. Government retains a nonexclusive, royalty-free
license to publish or reproduce the published form of this contribution,
or allow others to do so, for U.S. Government purposes.
NR 41
TC 57
Z9 61
U1 1
U2 43
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 JUL
PY 2011
VL 63
IS 3
BP 309
EP 327
DI 10.1111/j.1600-0889.2011.00530.x
PG 19
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 785BK
UT WOS:000292202200003
ER
PT J
AU Muthukumar, K
Yu, JJ
Xu, Y
Guliants, VV
AF Muthukumar, Kaliappan
Yu, Junjun
Xu, Ye
Guliants, Vadim V.
TI Propane Ammoxidation Over the Mo-V-Te-Nb-O M1 Phase: Reactivity of
Surface Cations in Hydrogen Abstraction Steps
SO TOPICS IN CATALYSIS
LA English
DT Article
DE Mo-V-Te-Nb-O; Mixed metal oxide; M1 phase; Propane; Propyl; Propene;
Allyl; Oxidative dehydrogenation; Ammoxidation; Acrylonitrile; Density
functional theory calculations
ID VANADIUM-OXIDE CATALYSTS; FINDING SADDLE-POINTS; INITIO
MOLECULAR-DYNAMICS; MINIMUM ENERGY PATHS; ELASTIC BAND METHOD; OXIDATIVE
DEHYDROGENATION; SELECTIVE AMMOXIDATION; (AMM)OXIDATION CATALYSTS;
V2O5(001) SURFACE; ACTIVE-CENTERS
AB Density functional theory calculations (GGA-PBE) have been performed to investigate the adsorption of C(3) (propane, isopropyl, propene, and allyl) and H species on the proposed active center present in the surface ab planes of the bulk Mo-V-Te-Nb-O M1 phase in order to better understand the roles of the different surface cations in propane ammoxidation. Modified cluster models were employed to isolate the closely spaced V=O and Te=O from each other and to vary the oxidation state of the V cation. While propane and propene adsorb with nearly zero adsorption energy, the isopropyl and allyl radicals bind strongly to V=O and Te=O with adsorption energies, Delta E, being <=-1.75 eV, but appreciably more weakly on other sites, such as Mo=O, bridging oxygen (Mo-O-V and Mo-O-Mo), and empty metal apical sites (Delta E > -1 eV). Atomic H binds more strongly to Te=O (Delta E <= -3 eV) than to all the other sites, including V=O (Delta E = -2.59 eV). The reduction of surface oxo groups by dissociated H and their removal as water are thermodynamically favorable except when both H atoms are bonded to the same Te=O. Consistent with the strong binding of H, Te=O is markedly more active at abstracting the methylene H from propane (E(a) <= 1.01 eV) than V=O (E(a) = 1.70 eV on V(5+)=O and 2.13 eV on V(4+)=O). The higher-than-observed activity and the loose binding of Te=O moieties to the mixed metal oxide lattice of M1 raise the question of whether active Te=O groups are in fact present in the surface ab planes of the M1 phase under propane ammoxidation conditions.
C1 [Muthukumar, Kaliappan; Yu, Junjun; Guliants, Vadim V.] Univ Cincinnati, Cincinnati, OH 45221 USA.
[Xu, Ye] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Guliants, VV (reprint author), Univ Cincinnati, Cincinnati, OH 45221 USA.
EM kaliappan.muthukumar@gmail.com; yuj3@mail.uc.edu; xuy2@ornl.gov;
Vadim.Guliants@uc.edu
RI Xu, Ye/B-5447-2009; Kaliappan, Muthukumar/B-2364-2008
OI Xu, Ye/0000-0002-6406-7832; Kaliappan, Muthukumar/0000-0002-8644-7668
FU Chemical Sciences, Geosciences and Biosciences Division, Office of Basic
Energy Sciences, Office of Science, U.S. Department of Energy
[DE-FG02-04ER15604]; Division of Scientific User Facilities, U.S.
Department of Energy at Oak Ridge National Laboratory
FX This research was supported by the Chemical Sciences, Geosciences and
Biosciences Division, Office of Basic Energy Sciences, Office of
Science, U.S. Department of Energy under grant no. DE-FG02-04ER15604. A
portion of this research was conducted at the Center for Nanophase
Materials Sciences, which is sponsored at Oak Ridge National Laboratory
by the Division of Scientific User Facilities, U. S. Department of
Energy. We gratefully acknowledge National Energy Research Scientific
Computing Center and Ohio Supercomputing Center for providing
computational resources.
NR 60
TC 12
Z9 12
U1 0
U2 16
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1022-5528
J9 TOP CATAL
JI Top. Catal.
PD JUL
PY 2011
VL 54
IS 10-12
BP 605
EP 613
DI 10.1007/s11244-011-9682-1
PG 9
WC Chemistry, Applied; Chemistry, Physical
SC Chemistry
GA 782JI
UT WOS:000292003900004
ER
PT J
AU Perkins, TA
Jager, HI
AF Perkins, T. Alex
Jager, Henriette I.
TI Falling Behind: Delayed Growth Explains Life-History Variation in Snake
River Fall Chinook Salmon
SO TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY
LA English
DT Article
ID ALTERNATIVE MALE PHENOTYPES; ONCORHYNCHUS-TSHAWYTSCHA; PACIFIC SALMON;
ATLANTIC SALMON; COLUMBIA RIVER; CONDITIONAL STRATEGIES; BODY-SIZE;
TEMPERATURE; SURVIVAL; POPULATIONS
AB Fall Chinook salmon Oncorhynchus tshawytscha typically migrate to the ocean as subyearlings (age 0), but a strategy whereby juveniles overwinter in freshwater and migrate to the ocean as yearlings (age 1) has emerged over the past few decades in Idaho's Snake River population. The recent appearance of the yearling strategy has conservation implications for this threatened population because of survival and reproductive differences between the two life histories. Different proportions of juveniles adopt the yearling life history in different river reaches and years, and temperature differences are thought to play some role in accounting for this variation. The specific circumstances under which juveniles pursue the yearling life history are poorly understood. We advance a hypothesis for the mechanism by which juveniles adopt a life history, formalize it with a model, and present the results of fitting this model to life history data. The model captures patterns of variation in proportions of yearling out-migrants among reaches and years, and it appears robust to uncertainty in a key unknown parameter. Results from fitting the model to empirical yearling migrant proportions suggest that juveniles commit to a life history earlier in development than the time at which smoltification typically begins. Specifically, juveniles that become yearling migrants do so soon after emergence if they are too far behind a typical growth schedule given temperature and photoperiod cues at that time. Our model also offers those interested in the management and conservation of Snake River fall Chinook salmon a useful tool by which to account for life history variation in population viability analyses and decision making.
C1 [Perkins, T. Alex] Univ Calif Davis, Ctr Populat Biol, Davis, CA 95616 USA.
[Perkins, T. Alex; Jager, Henriette I.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Perkins, TA (reprint author), Univ Calif Davis, Ctr Populat Biol, 1 Shields Ave, Davis, CA 95616 USA.
EM taperkins@ucdavis.edu
OI Jager, Henriette/0000-0003-4253-533X
FU U.S. Department of Energy (DOE) [DE-AC05-00OR22725, DE-FG02-97ER25308];
Idaho Power Company under U.S. DOE [NFE-06-00450]
FX This research was conducted at the Oak Ridge National Laboratory, which
is managed by UT-Battelle, LLC, under Contract Number DE-AC05-00OR22725
with the U.S. Department of Energy (DOE). The publisher, by accepting
the article for publication, acknowledges that the U.S. Government
retains a nonexclusive, paid-up, irrevocable, worldwide license to
publish or reproduce the published form of this manuscript, or allow
others to do so, for U.S. Government purposes. H.I.J. was funded by
Idaho Power Company under U.S. DOE Contract Number NFE-06-00450. T. A.
P. was funded by a Computational Sciences Graduate Fellowship, which is
managed by Krell Institute under U.S. DOE Contract Number
DE-FG02-97ER25308. We appreciate comments on the manuscript from G. Cada
(Oak Ridge National Laboratory), J. Chandler, P. Groves, R. Waples, and
an anonymous reviewer. J. Chandler and P. Groves provided spawning and
temperature data on behalf of Idaho Power Company; B. Bellgraph and G.
McMichael provided data on variation in fry emergence timing and FL; and
W. P. Connor (U. S. Fish and Wildlife Service) provided life history
data for 2000-2005. Thanks are extended to A. Lockhart for assistance
with temperature imputation.
NR 56
TC 4
Z9 4
U1 1
U2 23
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 520 CHESTNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
SN 0002-8487
EI 1548-8659
J9 T AM FISH SOC
JI Trans. Am. Fish. Soc.
PD JUL
PY 2011
VL 140
IS 4
BP 959
EP 972
DI 10.1080/00028487.2011.599257
PG 14
WC Fisheries
SC Fisheries
GA 836VH
UT WOS:000296142700008
ER
PT J
AU Thome, L
Moll, S
Jagielski, J
Debelle, A
Garrido, F
Sattonnay, G
AF Thome, L.
Moll, S.
Jagielski, J.
Debelle, A.
Garrido, F.
Sattonnay, G.
TI Damage Accumulation in Nuclear Ceramics
SO ACTA PHYSICA POLONICA A
LA English
DT Article; Proceedings Paper
CT 8th International Conference on Ion Implantation and Other Applications
of Ions and Electrons - ION 2010
CY JUN 14-17, 2010
CL Maria Curie-Sklodowska Univ, Kazimierz Dolny, POLAND
HO Maria Curie-Sklodowska Univ
ID ION-BEAM IRRADIATION; SWIFT HEAVY-IONS; SILICON-CARBIDE; IMPLANTATION
TEMPERATURE; ANNEALING BEHAVIOR; DEFECT PRODUCTION; RADIATION-DAMAGE;
SINGLE-CRYSTALS; WASTE; PLUTONIUM
AB Ceramics are key engineering materials in many industrial domains. The evaluation of radiation damage in ceramics placed in a radiative environment is a challenging problem for electronic, space and nuclear industries. Ion beams delivered by various types of accelerators are very efficient tools to simulate the interactions involved during the slowing-down of energetic particles. This article presents a review of the radiation effects occurring in nuclear ceramics, with an emphasis on new results concerning the damage build-up. Ions with energies in the keV-GeV range are considered for this study in order to explore both regimes of nuclear collisions (at low energy) and electronic excitations (at high energy). The recovery, by electronic excitation, of the damage created by ballistic collisions (swift heavy ion beam induced epitaxial recrystallization process) is also reported.
C1 [Thome, L.; Moll, S.; Debelle, A.; Garrido, F.] Univ Paris 11, CNRS, Ctr Spectrometrie Nucl & Spectrometrie Masse, IN2P3, F-91405 Orsay, France.
[Moll, S.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Jagielski, J.] Inst Elect Mat Technol, PL-01919 Warsaw, Poland.
[Jagielski, J.] Andrzej Soltan Inst Nucl Studies, PL-05400 Otwock, Poland.
[Sattonnay, G.] Univ Paris 11, LEMHE, ICMMO, UMR 8182, F-91405 Orsay, France.
RP Thome, L (reprint author), Univ Paris 11, CNRS, Ctr Spectrometrie Nucl & Spectrometrie Masse, IN2P3, Bat 108, F-91405 Orsay, France.
EM thome@csnsm.in2p3.fr
NR 49
TC 0
Z9 0
U1 4
U2 18
PU POLISH ACAD SCIENCES INST PHYSICS
PI WARSAW
PA AL LOTNIKOW 32-46, PL-02-668 WARSAW, POLAND
SN 0587-4246
J9 ACTA PHYS POL A
JI Acta Phys. Pol. A
PD JUL
PY 2011
VL 120
IS 1
BP 7
EP 12
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 776CS
UT WOS:000291512700003
ER
PT J
AU Hodge, JA
Becker, RH
White, RL
Richards, GT
Zeimann, GR
AF Hodge, J. A.
Becker, R. H.
White, R. L.
Richards, G. T.
Zeimann, G. R.
TI HIGH-RESOLUTION VERY LARGE ARRAY IMAGING OF SLOAN DIGITAL SKY SURVEY
STRIPE 82 AT 1.4 GHz
SO ASTRONOMICAL JOURNAL
LA English
DT Article
DE catalogs; radio continuum: general; surveys
ID VLA-COSMOS SURVEY; ACTIVE GALACTIC NUCLEI; FIELD-SOUTH REGION;
RADIO-SOURCE COUNTS; 7TH DATA RELEASE; DEEP FIELD; 1ST SURVEY;
LUMINOSITY FUNCTION; SOURCE POPULATION; REDSHIFT CUTOFF
AB We present a high-resolution radio survey of the Sloan Digital Sky Survey (SDSS) Southern Equatorial Stripe, a.k.a. Stripe 82. This 1.4 GHz survey was conducted with the Very Large Array primarily in the A-configuration, with supplemental B-configuration data to increase sensitivity to extended structure. The survey has an angular resolution of 1 ''.8 and achieves a median rms noise of 52 mu Jy beam(-1) over 92 deg(2). This is the deepest 1.4 GHz survey to achieve this large of an area, filling a gap in the phase space between small, deep and large, shallow surveys. It also serves as a pilot project for a larger high-resolution survey with the Expanded Very Large Array. We discuss the technical design of the survey and details of the observations, and we outline our method for data reduction. We present a catalog of 17,969 isolated radio components, for an overall source density of similar to 195 sources deg(-2). The astrometric accuracy of the data is excellent, with an internal check utilizing multiply observed sources yielding an rms scatter of 0 ''.19 in both right ascension and declination. A comparison to the SDSS DR7 Quasar Catalog further confirms that the astrometry is well tied to the optical reference frame, with mean offsets of 0 ''.02 +/- 0 ''.01 in right ascension, and 0 ''.01 +/- 0 ''.02 in declination. A check of our photometry reveals a small, negative CLEAN-like bias on the level of 35 mu Jy. We report on the catalog completeness, finding that 97% of FIRST-detected quasars are recovered in the new Stripe 82 radio catalog, while faint, extended sources are more likely to be resolved out by the resolution bias. We conclude with a discussion of the optical counterparts to the catalog sources, including 76 newly detected radio quasars. The full catalog as well as a search page and cutout server are available online at http://third.ucllnl.org/cgi-bin/stripe82cutout.
C1 [White, R. L.] Space Telescope Sci Inst, Baltimore, MD 21218 USA.
[Richards, G. T.] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA.
[Hodge, J. A.; Becker, R. H.; Zeimann, G. R.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
[Becker, R. H.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hodge, JA (reprint author), Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.
EM hodge@mpia.de
FU NRAO [GSSP08-0034]; Hubble Space Telescope [HST-GO-10412.03-A]; National
Science Foundation [AST 00-98355]; U.S. Department of Energy by Lawrence
Livermore National Laboratory [DE-AC52-07NA27344]; Space Telescope
Science Institute under NASA [NAS5-26555]; Alfred P. Sloan Research
Fellowship
FX J.A.H. acknowledges the support of NRAO grant GSSP08-0034, a UC Davis
Graduate Block Grant Fellowship, and grant HST-GO-10412.03-A from the
Hubble Space Telescope. R.H.B. acknowledges the support of the National
Science Foundation under grant AST 00-98355. The work by R.H.B. was
partly performed under the auspices of the U.S. Department of Energy by
Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
R.L.W. acknowledges the support of the Space Telescope Science
Institute, which is operated by the Association of Universities for
Research in Astronomy under NASA contract NAS5-26555. G.T.R.
acknowledges support from an Alfred P. Sloan Research Fellowship.
NR 61
TC 34
Z9 34
U1 0
U2 3
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 JUL
PY 2011
VL 142
IS 1
AR 3
DI 10.1088/0004-6256/142/1/3
PG 17
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 777AE
UT WOS:000291584200003
ER
PT J
AU Zhao, J
Scheibe, TD
Mahadevan, R
AF Zhao, Jiao
Scheibe, Timothy D.
Mahadevan, R.
TI Model-Based Analysis of the Role of Biological, Hydrological and
Geochemical Factors Affecting Uranium Bioremediation
SO BIOTECHNOLOGY AND BIOENGINEERING
LA English
DT Article
DE bioremediation of uranium; electron capacitance; Geobacter; global
sensitivity analysis; reactive-transport model
ID FRESH-WATER SEDIMENTS; GEOBACTER-SULFURREDUCENS; CONTAMINATED AQUIFER;
SENSITIVITY-ANALYSIS; MICROBIAL REDUCTION; TRANSPORT MODEL; SITU;
GROUNDWATER; DYNAMICS; KINETICS
AB Uranium contamination is a serious concern at several sites motivating the development of novel treatment strategies such as the Geobacter-mediated reductive immobilization of uranium. However, this bioremediation strategy has not yet been optimized for the sustained uranium removal. While several reactive-transport models have been developed to represent Geobacter-mediated bioremediation of uranium, these models often lack the detailed quantitative description of the microbial process (e.g., biomass build-up in both groundwater and sediments, electron transport system, etc.) and the interaction between biogeochemical and hydrological process. In this study, a novel multi-scale model was developed by integrating our recent model on electron capacitance of Geobacter (Zhao et al., 2010) with a comprehensive simulator of coupled fluid flow, hydrologic transport, heat transfer, and biogeochemical reactions. This mechanistic reactive-transport model accurately reproduces the experimental data for the bioremediation of uranium with acetate amendment. We subsequently performed global sensitivity analysis with the reactive-transport model in order to identify the main sources of prediction uncertainty caused by synergistic effects of biological, geochemical, and hydrological processes. The proposed approach successfully captured significant contributing factors across time and space, thereby improving the structure and parameterization of the comprehensive reactive-transport model. The global sensitivity analysis also provides a potentially useful tool to evaluate uranium bioremediation strategy. The simulations suggest that under difficult environments (e. g., highly contaminated with U(VI) at a high migration rate of solutes), the efficiency of uranium removal can be improved by adding Geobacter species to the contaminated site (bioaugmentation) in conjunction with the addition of electron donor (biostimulation). The simulations also highlight the interactive effect of initial cell concentration and flow rate on U(VI) reduction. Biotechnol. Bioeng. 2011; 108: 1537-1548. (C) 2011 Wiley Periodicals, Inc.
C1 [Zhao, Jiao; Mahadevan, R.] Univ Toronto, Dept Chem Engn & Appl Chem, Toronto, ON M5S 3E5, Canada.
[Scheibe, Timothy D.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Mahadevan, R.] Univ Toronto, Inst Biomat & Biomed Engn, Toronto, ON M5S 3G9, Canada.
RP Mahadevan, R (reprint author), Univ Toronto, Dept Chem Engn & Appl Chem, 200 Coll St, Toronto, ON M5S 3E5, Canada.
EM krishna.mahadevan@utoronto.ca
RI Scheibe, Timothy/A-8788-2008; Mahadevan, Radhakrishnan/A-8502-2008
OI Scheibe, Timothy/0000-0002-8864-5772; Mahadevan,
Radhakrishnan/0000-0002-1270-9063
FU Office of Science (BER), U. S. Department of Energy [DE-SC0004080]
FX This research was supported by the Office of Science (BER), U. S.
Department of Energy, Award No. DE-SC0004080.
NR 34
TC 9
Z9 9
U1 1
U2 16
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0006-3592
J9 BIOTECHNOL BIOENG
JI Biotechnol. Bioeng.
PD JUL
PY 2011
VL 108
IS 7
BP 1537
EP 1548
DI 10.1002/bit.23096
PG 12
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 775NV
UT WOS:000291467600006
PM 21337330
ER
PT J
AU Liu, WN
Sun, X
Stephens, E
Khaleel, M
AF Liu, W. N.
Sun, X.
Stephens, E.
Khaleel, M.
TI Effect of substrate thickness on oxide scale spallation for solid oxide
fuel cells
SO CORROSION SCIENCE
LA English
DT Article
DE Ferritic alloy; Oxidation and internal oxidation; Interface;
Experiments; Modeling studies
ID SOFC INTERCONNECT APPLICATIONS; METALLIC INTERCONNECTS; OXIDATION
BEHAVIOR; STAINLESS-STEELS; FE-CR; STRESS; ALLOY; GROWTH; ADDITIONS;
COATINGS
AB In this paper, the effect of the ferritic interconnect thickness on the delamination/spallation of the oxide scale was investigated experimentally and numerically. At the operating environment of solid oxide fuel cells (SOFCs), a combination of growth stress with thermal stresses may lead to scale delamination/buckling and eventual spallation during SOFC stack cooling, even leading to serious degradation of cell performance. The experimental and numerical results show that the interfacial shear stresses increase with the growth of the oxide scale and also with the thickness of the ferritic substrate, i.e., the thick ferritic substrate can easily lead to scale delamination and spallation. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Liu, W. N.; Sun, X.; Stephens, E.; Khaleel, M.] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Liu, WN (reprint author), MSC Software, 101 N Brand Blvd, Pasadena, CA USA.
EM Wenning.Liu@mscsoftware.com
OI khaleel, mohammad/0000-0001-7048-0749
FU US Department of Energy, Battlle [DE-AC05-76RL01830]; US Department of
Energy's National Energy Technology Laboratory
FX Pacific Northwest National Laboratory is operated for the US Department
of Energy by Battelle under Contract DE-AC05-76RL01830. The work was
funded as part of the Solid-State Energy Conversion Alliance Core
Technology Program by the US Department of Energy's National Energy
Technology Laboratory.
NR 33
TC 6
Z9 6
U1 0
U2 10
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0010-938X
J9 CORROS SCI
JI Corrosion Sci.
PD JUL
PY 2011
VL 53
IS 7
BP 2406
EP 2412
DI 10.1016/j.corsci.2011.03.025
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 775IX
UT WOS:000291454100008
ER
PT J
AU Liao, HF
AF Liao, Huafei
TI Preface to the Special Issue: Human Factors in Control Rooms of Nuclear
Power Plants
SO HUMAN FACTORS AND ERGONOMICS IN MANUFACTURING & SERVICE INDUSTRIES
LA English
DT Editorial Material
C1 Sandia Natl Labs, Risk & Reliabil Anal Dept, Albuquerque, NM 87185 USA.
RP Liao, HF (reprint author), Sandia Natl Labs, Risk & Reliabil Anal Dept, POB 5800, Albuquerque, NM 87185 USA.
EM hnliao@sandia.gov
RI Liao, Huafei/D-4611-2013
NR 1
TC 0
Z9 0
U1 1
U2 5
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1090-8471
J9 HUM FACTOR ERGON MAN
JI Hum. Factors Ergonom. Manuf. Serv. Ind.
PD JUL-AUG
PY 2011
VL 21
IS 4
SI SI
BP 329
EP 330
DI 10.1002/hfm.20338
PG 2
WC Engineering, Manufacturing; Ergonomics
SC Engineering
GA 776CO
UT WOS:000291512300001
ER
PT J
AU Liao, HF
Chang, JL
AF Liao, Huafei
Chang, Jo-Ling
TI Human Performance in Control Rooms of Nuclear Power Plants: A Survey
Study
SO HUMAN FACTORS AND ERGONOMICS IN MANUFACTURING & SERVICE INDUSTRIES
LA English
DT Article
DE Human error; Human performance; Human factors; Human reliability;
Human-system interface; Factor analysis; Nuclear power plants; Control
rooms
ID INTERFACE DESIGN
AB Driven by the increasing demand for reliable and clean energy, the nuclear industry is booming worldwide three decades after the Three Mile Island accident. The transition of technology in nuclear power plants has raised many important human performance issues in every aspect of control systems. To obtain insights on how to meet the challenges imposed by new technologies, a survey was conducted to examine the causal factors of the human-system interface-related human errors in NPP plant control rooms. The survey results can help us identify error categories in terms of the interrelationships among the error causal factors. Moreover, an investigation of the error causal factors can enable us to better understand the nature of the errors and then propose effective corrective action guidelines to mitigate their consequences and enhance human reliability. A five-factor structure was identified through an exploratory factor analysis: Invisibility of System Status, Incorrect System Interface Design, Insufficient Support for System Diagnosis and Decision Making, Misoperations, and Manual Actions. The five factors are discussed in the context of the decision-action model developed in this study to derive corrective actions for each type of potential human error. (C) 2011 Wiley Periodicals, Inc.
C1 [Liao, Huafei] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Chang, Jo-Ling] Bechtel Power Corp, Frederick, MD USA.
RP Liao, HF (reprint author), POB 5800,MS 0748, Albuquerque, NM 87185 USA.
EM hnliao@sandia.gov
RI Liao, Huafei/D-4611-2013
NR 46
TC 1
Z9 1
U1 1
U2 7
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1090-8471
J9 HUM FACTOR ERGON MAN
JI Hum. Factors Ergonom. Manuf. Serv. Ind.
PD JUL-AUG
PY 2011
VL 21
IS 4
SI SI
BP 412
EP 428
DI 10.1002/hfm.20260
PG 17
WC Engineering, Manufacturing; Ergonomics
SC Engineering
GA 776CO
UT WOS:000291512300007
ER
PT J
AU Zhou, Z
Gill, AS
Qian, D
Mannava, SR
Langer, K
Wen, YH
Vasudevan, VK
AF Zhou, Zhong
Gill, Amrinder S.
Qian, Dong
Mannava, S. R.
Langer, Kristina
Wen, Youhai
Vasudevan, Vijay K.
TI A finite element study of thermal relaxation of residual stress in laser
shock peened IN718 superalloy
SO INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
LA English
DT Article
DE Inconel 718; Laser shock peening; Residual stress relaxation; Finite
element analysis
ID HIGH-TEMPERATURE; INCONEL-718; NICKEL; FATIGUE; MICROSTRUCTURE;
BEHAVIOR; IMPACT; ALLOY
AB The residual stresses in laser shock peened (LSP) Inconel 718 Ni-base superalloy and their thermal relaxation behavior were investigated based on three-dimensional nonlinear finite element analysis. To account for the nonlinear constitutive behavior, the Johnson Cook model has been employed and the model parameters for high strain rate response of IN718 are calibrated by comparison with recent experimental results. Based on the LSP simulation, the thermal relaxation behavior was studied through coupled thermal-structure analysis in LS-DYNA. More specifically, the effects of test temperature, exposure time and degree of initial plastic deformation are analyzed and discussed. It is observed that stress relaxation mainly occurs during the initial period of exposure, and the relaxation amplitude increases with the increase of applied temperature and as-peened plastic deformation. Based on the simulation results, an analytical model based on Zener-Wert-Avrami function is proposed to model the thermal residual stress relaxation. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Zhou, Zhong; Gill, Amrinder S.; Qian, Dong; Mannava, S. R.; Vasudevan, Vijay K.] Univ Cincinnati, Coll Engn & Appl Sci, Cincinnati, OH 45221 USA.
[Langer, Kristina] USAF, Res Lab, RBSM, Dayton, OH 45433 USA.
[Wen, Youhai] Natl Energy Technol Lab, Albany, OR 97321 USA.
RP Qian, D (reprint author), Univ Cincinnati, Coll Engn & Appl Sci, Cincinnati, OH 45221 USA.
EM dong.qian@uc.edu
RI Qian, Dong/B-2326-2008
OI Qian, Dong/0000-0001-9367-0924
FU National Science Foundation [DMR-0706161]; General Dynamics Information
Technologies (GDIT)/Air Force Research Laboratory/RBSM
[FA-8650-3446-29-SC-001]
FX The authors (ZZ, ASG, DQ SRM, VKV) would like to thank the National
Science Foundation (grant # DMR-0706161, Dr. Alan Ardell Program
Monitor) and General Dynamics Information Technologies (GDIT)/Air Force
Research Laboratory/RBSM (contract # FA-8650-3446-29-SC-001), Mr.
Jeffrey Moore, Program Monitor) for financial support of this research.
Any opinions, findings, conclusions, or recommendations expressed in
these documents are those of the author(s) and do not necessarily
reflect the views of the NSF and GDIT.
NR 27
TC 25
Z9 30
U1 7
U2 35
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0734-743X
J9 INT J IMPACT ENG
JI Int. J. Impact Eng.
PD JUL
PY 2011
VL 38
IS 7
BP 590
EP 596
DI 10.1016/j.ijimpeng.2011.02.006
PG 7
WC Engineering, Mechanical; Mechanics
SC Engineering; Mechanics
GA 776BA
UT WOS:000291508300007
ER
PT J
AU Betan, RI
Racz, A
Vertse, T
AF Betan, R. Id
Racz, A.
Vertse, T.
TI Calculation of the Isobaric Analogue Resonance Using Shell Model in the
Complex Energy Plane
SO INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
LA English
DT Article
DE Gamow states; Continuum; Complex energy shell model; Lane equations
ID QUANTUM-FIELD-THEORY; VACUUM ENERGY; POTENTIALS; SCATTERING
AB A convenient tool for studying nuclei being far away from the beta stability line is the complex energy shell model (CXSM) in which the Berggren representation (Nucl. Phys. A 109:265, 1968) (BR) is used. The BR is formed from bound, resonant sates, and complex-energy scattering states. The parameters of isobaric analog resonance (IAR) are calculated in the framework of the Lane-model (Nucl. Phys. A 35:676, 1962) using CXSM. The novel feature of the present CXSM calculation is that the optical potentials used are complex. Results of the CXSM calculation are checked against those of the standard solution of the coupled channel Lane-equations (CC). The IAR parameters calculated by the CXSM agree well with that of the CC results for absorptive and emittive optical potentials. This agreement confirms the applicability of the CXSM calculation for complex potential.
C1 [Betan, R. Id] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Betan, R. Id] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Betan, R. Id] Inst Fis Rosario CONICET UNR, Rosario, Argentina.
[Racz, A.; Vertse, T.] Univ Debrecen, Fac Informat, H-4010 Debrecen, Hungary.
[Vertse, T.] Hungarian Acad Sci, Inst Nucl Res, H-4001 Debrecen, Hungary.
RP Betan, RI (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
EM ridbetan@ornl.gov
OI Id Betan, Rodolfo/0000-0002-6813-3235
NR 18
TC 1
Z9 1
U1 0
U2 4
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0020-7748
J9 INT J THEOR PHYS
JI Int. J. Theor. Phys.
PD JUL
PY 2011
VL 50
IS 7
SI SI
BP 2222
EP 2241
DI 10.1007/s10773-011-0722-1
PG 20
WC Physics, Multidisciplinary
SC Physics
GA 775XE
UT WOS:000291496000026
ER
PT J
AU Ravcheev, DA
Best, AA
Tintle, N
DeJongh, M
Osterman, AL
Novichkov, PS
Rodionov, DA
AF Ravcheev, Dmitry A.
Best, Aaron A.
Tintle, Nathan
DeJongh, Matthew
Osterman, Andrei L.
Novichkov, Pavel S.
Rodionov, Dmitry A.
TI Inference of the Transcriptional Regulatory Network in Staphylococcus
aureus by Integration of Experimental and Genomics-Based Evidence
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID GRAM-POSITIVE BACTERIA; ESCHERICHIA-COLI; HYDROGEN-PEROXIDE;
BACILLUS-SUBTILIS; LIPID BIOSYNTHESIS; GENE-EXPRESSION; VIRULENCE;
DATABASE; STRESS; METABOLISM
AB Transcriptional regulatory networks are fine-tuned systems that help microorganisms respond to changes in the environment and cell physiological state. We applied the comparative genomics approach implemented in the RegPredict Web server combined with SEED subsystem analysis and available information on known regulatory interactions for regulatory network reconstruction for the human pathogen Staphylococcus aureus and six related species from the family Staphylococcaceae. The resulting reference set of 46 transcription factor regulons contains more than 1,900 binding sites and 2,800 target genes involved in the central metabolism of carbohydrates, amino acids, and fatty acids; respiration; the stress response; metal homeostasis; drug and metal resistance; and virulence. The inferred regulatory network in S. aureus includes similar to 320 regulatory interactions between 46 transcription factors and similar to 550 candidate target genes comprising 20% of its genome. We predicted similar to 170 novel interactions and 24 novel regulons for the control of the central metabolic pathways in S. aureus. The reconstructed regulons are largely variable in the Staphylococcaceae: only 20% of S. aureus regulatory interactions are conserved across all studied genomes. We used a large-scale gene expression data set for S. aureus to assess relationships between the inferred regulons and gene expression patterns. The predicted reference set of regulons is captured within the Staphylococcus collection in the RegPrecise database (http://regprecise.lbl.gov).
C1 [Ravcheev, Dmitry A.; Osterman, Andrei L.; Rodionov, Dmitry A.] Sanford Burnham Med Res Inst, La Jolla, CA 92037 USA.
[Ravcheev, Dmitry A.; Rodionov, Dmitry A.] Kharkevich Inst, Inst Informat Transmiss Problems RAS, Moscow 127994, Russia.
[Best, Aaron A.; Tintle, Nathan; DeJongh, Matthew] Hope Coll, Holland, MI 49423 USA.
[Novichkov, Pavel S.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Rodionov, DA (reprint author), Sanford Burnham Med Res Inst, 10901 N Torrey Pines Rd, La Jolla, CA 92037 USA.
EM rodionov@sanfordburnham.org
RI Ravcheev, Dmitry/B-5899-2013; Ravcheev, Dmitry/M-6877-2015;
OI Ravcheev, Dmitry/0000-0002-8435-5516; Rodionov,
Dmitry/0000-0002-0939-390X
FU National Science Foundation [DBI-0850546]; Office of Science (BER), U.S.
Department of Energy [DE-SC0004999]; U.S. Department of Energy
[DE-AC02-05CH11231]; Russian Academy of Sciences; Russian Foundation for
Basic Research [10-04-01768]
FX This work was supported by the National Science Foundation under award
DBI-0850546 (M. D.) and by the Office of Science (BER), U.S. Department
of Energy, under contract DE-SC0004999 (D. A. R.). The Lawrence Berkeley
National Laboratory is funded by the U.S. Department of Energy Genomics
GTL program (grant DE-AC02-05CH11231). Additional funding was provided
by the Russian Academy of Sciences (program Molecular and Cellular
Biology) and the Russian Foundation for Basic Research (10-04-01768).
NR 54
TC 20
Z9 20
U1 0
U2 3
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 JUL
PY 2011
VL 193
IS 13
BP 3228
EP 3240
DI 10.1128/JB.00350-11
PG 13
WC Microbiology
SC Microbiology
GA 777CS
UT WOS:000291592600007
PM 21531804
ER
PT J
AU Weilharter, A
Mitter, B
Shin, MV
Chain, PSG
Nowak, J
Sessitsch, A
AF Weilharter, Alexandra
Mitter, Birgit
Shin, Maria V.
Chain, Patrick S. G.
Nowak, Jerzy
Sessitsch, Angela
TI Complete Genome Sequence of the Plant Growth-Promoting Endophyte
Burkholderia phytofirmans Strain PsJN
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID BACTERIUM; COLONIZATION
AB Burkholderia phytofirmans PsJN(T) is able to efficiently colonize the rhizosphere, root, and above-ground plant tissues of a wide variety of genetically unrelated plants, such as potatoes, canola, maize, and grapevines. Strain PsJN shows strong plant growth-promoting effects and was reported to enhance plant vigor and resistance to biotic and abiotic stresses. Here, we report the genome sequence of this strain, which indicates the presence of multiple traits relevant for endophytic colonization and plant growth promotion.
C1 [Sessitsch, Angela] AIT Austrian Inst Technol GmbH, Dept Hlth & Environm, Bioresources Unit, A-3430 Tulln, Austria.
[Shin, Maria V.; Chain, Patrick S. G.] Joint Genome Inst, Dept Energy, Walnut Creek, CA USA.
[Chain, Patrick S. G.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Nowak, Jerzy] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA.
RP Sessitsch, A (reprint author), AIT Austrian Inst Technol GmbH, Dept Hlth & Environm, Bioresources Unit, Konrad Lorenz Str 24, A-3430 Tulln, Austria.
EM angela.sessitsch@ait.ac.at
RI chain, patrick/B-9777-2013;
OI Sessitsch, Angela/0000-0003-0137-930X; Chain,
Patrick/0000-0003-3949-3634
FU FWF (National Science Foundation) [P 21261-B03]; U.S. DOE's Office of
Science [DE-AC02-05CH11231]
FX This work was supported by a grant provided by the FWF (National Science
Foundation grant no. P 21261-B03). The sequencing for the project was
provided through the U.S. Department of Energy (DOE) Sequencing Program
(http://www.jgi.doe.gov/CSP/index.html). This work was performed at
Lawrence Berkeley National Laboratory, Lawrence Livermore National
Laboratory, and Los Alamos National Laboratory, under the auspices of
the U.S. DOE's Office of Science, Biological and Environmental Research
Program under contract no. DE-AC02-05CH11231.
NR 9
TC 37
Z9 38
U1 3
U2 25
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 JUL
PY 2011
VL 193
IS 13
BP 3383
EP 3384
DI 10.1128/JB.05055-11
PG 2
WC Microbiology
SC Microbiology
GA 777CS
UT WOS:000291592600025
PM 21551308
ER
PT J
AU Coleman, NV
Wilson, NL
Barry, K
Brettin, TS
Bruce, DC
Copeland, A
Dalin, E
Detter, JC
del Rio, TG
Goodwin, LA
Hammon, NM
Han, SS
Hauser, LJ
Israni, S
Kim, E
Kyrpides, N
Land, ML
Lapidus, A
Larimer, FW
Lucas, S
Pitluck, S
Richardson, P
Schmutz, J
Tapia, R
Thompson, S
Tice, HN
Spain, JC
Gossett, JG
Mattes, TE
AF Coleman, Nicholas V.
Wilson, Neil L.
Barry, Kerrie
Brettin, Thomas S.
Bruce, David C.
Copeland, Alex
Dalin, Eileen
Detter, John C.
del Rio, Tijana Glavina
Goodwin, Lynne A.
Hammon, Nancy M.
Han, Shunsheng
Hauser, Loren J.
Israni, Sanjay
Kim, Edwin
Kyrpides, Nikolaos
Land, Miriam L.
Lapidus, Alla
Larimer, Frank W.
Lucas, Susan
Pitluck, Sam
Richardson, Paul
Schmutz, Jeremy
Tapia, Roxanne
Thompson, Sue
Tice, Hope N.
Spain, Jim C.
Gossett, James G.
Mattes, Timothy E.
TI Genome Sequence of the Ethene- and Vinyl Chloride-Oxidizing Actinomycete
Nocardioides sp Strain JS614
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID IDENTIFICATION; BIODEGRADATION; DEGRADATION; GENES; METABOLISM;
BACTERIUM; SUBSTRATE; PATHWAYS
AB Nocardioides sp. strain JS614 grows on ethene and vinyl chloride (VC) as sole carbon and energy sources and is of interest for bioremediation and biocatalysis. Sequencing of the complete genome of JS614 provides insight into the genetic basis of alkene oxidation, supports ongoing research into the physiology and biochemistry of growth on ethene and VC, and provides biomarkers to facilitate detection of VC/ethene oxidizers in the environment. This is the first genome sequence from the genus Nocardioides and the first genome of a VC/ethene-oxidizing bacterium.
C1 [Coleman, Nicholas V.] Univ Sydney, Sch Mol Biosci, Darlington 2006, Australia.
[Wilson, Neil L.] Univ Sydney, Fac Agr Food & Nat Resources, Darlington 2006, Australia.
[Barry, Kerrie; Copeland, Alex; del Rio, Tijana Glavina; Hammon, Nancy M.; Israni, Sanjay; Kim, Edwin; Kyrpides, Nikolaos; Lapidus, Alla; Lucas, Susan; Pitluck, Sam; Richardson, Paul; Tice, Hope N.] DOE Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Brettin, Thomas S.; Hauser, Loren J.; Land, Miriam L.; Larimer, Frank W.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Bruce, David C.; Detter, John C.; Goodwin, Lynne A.; Han, Shunsheng; Tapia, Roxanne; Thompson, Sue] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Dalin, Eileen] Synthet Genom, La Jolla, CA 92037 USA.
[Schmutz, Jeremy] HudsonAlpha Inst Biotechnol, Huntsville, AL 35806 USA.
[Spain, Jim C.] Georgia Inst Technol, Environm Engn Program, Atlanta, GA 30332 USA.
[Gossett, James G.] Cornell Univ, Sch Civil & Environm Engn, Ithaca, NY 14853 USA.
[Mattes, Timothy E.] Univ Iowa, Dept Civil & Environm Engn, Iowa City, IA 52242 USA.
RP Coleman, NV (reprint author), Univ Sydney, Sch Mol Biosci, Darlington 2006, Australia.
EM nicholas.coleman@sydney.edu.au
RI Hauser, Loren/H-3881-2012; Lapidus, Alla/I-4348-2013; Schmutz,
Jeremy/N-3173-2013; Land, Miriam/A-6200-2011; Kyrpides,
Nikos/A-6305-2014
OI Lapidus, Alla/0000-0003-0427-8731; Schmutz, Jeremy/0000-0001-8062-9172;
Land, Miriam/0000-0001-7102-0031; Kyrpides, Nikos/0000-0002-6131-0462
FU U.S. Department of Energy's Office of Science; University of California,
Lawrence Livermore National Laboratory [W-7405-Eng-48]; Lawrence
Berkeley National Laboratory [DE-AC03-76SF00098]; Los Alamos National
Laboratory [W-7405-ENG-36]
FX This work was performed under the auspices of the U.S. Department of
Energy's Office of Science, Biological and Environmental Research
Program and by the University of California, Lawrence Livermore National
Laboratory, under contract no. W-7405-Eng-48, Lawrence Berkeley National
Laboratory under contract no. DE-AC03-76SF00098, and Los Alamos National
Laboratory under contract no. W-7405-ENG-36.
NR 31
TC 6
Z9 6
U1 1
U2 12
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 JUL
PY 2011
VL 193
IS 13
BP 3399
EP 3400
DI 10.1128/JB.05109-11
PG 2
WC Microbiology
SC Microbiology
GA 777CS
UT WOS:000291592600033
PM 21551312
ER
PT J
AU Chen, J
Stefano, G
Brandizzi, F
Zheng, HQ
AF Chen, Jun
Stefano, Giovanni
Brandizzi, Federica
Zheng, Huanquan
TI Arabidopsis RHD3 mediates the generation of the tubular ER network and
is required for Golgi distribution and motility in plant cells
SO JOURNAL OF CELL SCIENCE
LA English
DT Article
DE RHD3; Tubular ER; Golgi distribution; GTP/GDP; Protein secretion
ID CORTICAL ENDOPLASMIC-RETICULUM; MEMBRANE-PROTEINS; EXPORT SITES; ACTIN
ORGANIZATION; TOBACCO-LEAVES; APPARATUS; GENE; MORPHOGENESIS; TRANSPORT;
DYNAMICS
AB In plant cells, the endoplasmic reticulum (ER) and Golgi apparatus form a unique system in which single Golgi stacks are motile and in close association with the underlying ER tubules. Arabidopsis has three RHD3 (ROOT HAIR DEFECTIVE 3) isoforms that are analogous to the mammalian atlastin GTPases involved in shaping ER tubules. We used live-cell imaging, genetic complementation, split ubiquitin assays and western blot analyses in Arabidopsis and tobacco to show that RHD3 mediates the generation of the tubular ER network and is required for the distribution and motility of Golgi stacks in root and leaf epidermal cells. We established that RHD3 forms homotypic interactions at ER punctae. In addition, the activity of RHD3 on the tubular ER is specifically correlated with the cellular distribution and motility of Golgi stacks because ER to Golgi as well as Golgi to plasma membrane transport was not affected by RHD3 mutations in the conserved GDP/GTP motifs. We found a possible partial redundancy within the RHD3 isoforms in Arabidopsis. However, yeast Sey1p, a functional atlastin homologue, and RHD3 are not interchangeable in complementing the respective loss-of-function mutants, suggesting that the molecular mechanisms controlling ER tubular morphology might not be entirely conserved among eukaryotic lineages.
C1 [Chen, Jun; Zheng, Huanquan] McGill Univ, Dept Biol, Montreal, PQ H3A 1B1, Canada.
[Stefano, Giovanni; Brandizzi, Federica] Michigan State Univ, DOE Plant Res Lab, E Lansing, MI 48824 USA.
RP Zheng, HQ (reprint author), McGill Univ, Dept Biol, 1205 Dr Penfield Ave, Montreal, PQ H3A 1B1, Canada.
EM hugo.zheng@mcgill.ca
RI zheng, Huanquan/G-4739-2011; STEFANO, GIOVANNI/A-8264-2011
OI STEFANO, GIOVANNI/0000-0002-2744-0052
FU The National Science and Engineering Research Council of Canada; McGill
University (Montreal, Canada); National Science Foundation
[MCB-0948584]; Department of Energy Great Lakes Bioenergy Research
Center; Chemical Sciences, Geosciences and Biosciences Division, Office
of Basic Energy Sciences, Office of Science, US Department of Energy
[DE-FG02-91ER20021]
FX We thank Sylvie Lalonde (Carnegie Institution, Stanford, CA, USA) for
pNX32 and pXN22 mbSUS Gateway vectors; David Bird (University of
Manitoba, Winnipeg, Canada) for pNCW-GWRFC.1; Tsuyoshi Nakagawa (Shimane
University, Matsue, Japan) for pUGW2-nEYFP, pUGW2-cEYFP and pUGW0-cEYFP
BiFC gateway vectors; Mark Curtis (University of Zurich, Zurich,
Switzerland) for pMDC43; William Prinz (National Institute of Diabetes
and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA) for the Sey1p
clone and sey1 Delta yop1 Delta::Sec63-GFP yeast double mutant; Inhwan
Hwang (Pohang University of Science and Technology, Pohang, Korea) for
AHA2-GFP; and Tamara Western for critical reading of manuscript. This
work was supported by a grant from The National Science and Engineering
Research Council of Canada and a startup grant from McGill University
(Montreal, Canada) to H.Z. and a grant from National Science Foundation
(MCB-0948584) and from the Department of Energy Great Lakes Bioenergy
Research Center and the Chemical Sciences, Geosciences and Biosciences
Division, Office of Basic Energy Sciences, Office of Science, US
Department of Energy (award number DE-FG02-91ER20021) to F. B.
NR 59
TC 46
Z9 48
U1 0
U2 14
PU COMPANY OF BIOLOGISTS LTD
PI CAMBRIDGE
PA BIDDER BUILDING CAMBRIDGE COMMERCIAL PARK COWLEY RD, CAMBRIDGE CB4 4DL,
CAMBS, ENGLAND
SN 0021-9533
J9 J CELL SCI
JI J. Cell Sci.
PD JUL 1
PY 2011
VL 124
IS 13
BP 2241
EP 2252
DI 10.1242/jcs.084624
PG 12
WC Cell Biology
SC Cell Biology
GA 776LS
UT WOS:000291537200014
PM 21652628
ER
PT J
AU Wang, DN
Hicks, CB
Goswami, ND
Tafoya, E
Ribeiro, RM
Cai, FP
Perelson, AS
Gao, F
AF Wang, Dongning
Hicks, Charles B.
Goswami, Neela D.
Tafoya, Emi
Ribeiro, Ruy M.
Cai, Fangping
Perelson, Alan S.
Gao, Feng
TI Evolution of Drug-Resistant Viral Populations during Interruption of
Antiretroviral Therapy
SO JOURNAL OF VIROLOGY
LA English
DT Article
ID HUMAN-IMMUNODEFICIENCY-VIRUS; HIV-1 REVERSE-TRANSCRIPTASE; SINGLE-DOSE
NEVIRAPINE; PROTEASE INHIBITORS; TREATMENT-NAIVE; REPLICATIVE FITNESS;
STOPPING THERAPY; IN-VITRO; TYPE-1; MUTATIONS
AB Analysis of a large number of HIV-1 genomes at multiple time points after antiretroviral treatment (ART) interruption allows determination of the evolution of drug-resistant viruses and viral fitness in vivo in the absence of drug selection pressure. Using a parallel allele-specific sequencing (PASS) assay, potential primary drug-resistant mutations in five individual patients were studied by analyzing over 18,000 viral genomes. A three-phase evolution of drug-resistant viruses was observed after termination of ART. In the first phase, viruses carrying various combinations of multiple-drug-resistant (MDR) mutations predominated with each mutation persisting in relatively stable proportions while the overall number of resistant viruses gradually increased. In the second phase, viruses with linked MDR mutations rapidly became undetectable and single-drug-resistant (SDR) viruses emerged as minority populations while wild-type viruses quickly predominated. In the third phase, low-frequency SDR viruses remained detectable as long as 59 weeks after treatment interruption. Mathematical modeling showed that the loss in relative fitness increased with the number of mutations in each viral genome and that viruses with MDR mutations had lower fitness than viruses with SDR mutations. No single viral genome had seven or more drug resistance mutations, suggesting that such severely mutated viruses were too unfit to be detected or that the resistance gain offered by the seventh mutation did not outweigh its contribution to the overall fitness loss of the virus. These data provide a more comprehensive understanding of evolution and fitness of drug-resistant viruses in vivo and may lead to improved treatment strategies for ART-experienced patients.
C1 [Wang, Dongning; Cai, Fangping; Gao, Feng] Duke Univ, Duke Human Vaccine Inst, Med Ctr, Durham, NC 27710 USA.
[Hicks, Charles B.; Goswami, Neela D.] Duke Univ, Dept Med, Med Ctr, Durham, NC 27710 USA.
[Tafoya, Emi; Ribeiro, Ruy M.; Perelson, Alan S.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Gao, F (reprint author), Duke Univ, Duke Human Vaccine Inst, Med Ctr, 3072B MSRB 2,DUMC 103020,Res Dr, Durham, NC 27710 USA.
EM fgao@duke.edu
OI Ribeiro, Ruy/0000-0002-3988-8241
FU National Institutes of Health [GM065057, AI64518, AI067854, AI28433,
RR06555, P20-RR18754, K24-AI01608]; National Science Foundation [NSF
PHY05-51164]; U.S. Department of Energy [DE-AC52-06NA25396]
FX This work was supported by grants from the National Institutes of Health
(GM065057, AI64518, AI067854, AI28433, RR06555, P20-RR18754, and
K24-AI01608) and the National Science Foundation (grant NSF
PHY05-51164), and portions of the work were done under the auspices of
the U.S. Department of Energy under contract DE-AC52-06NA25396.
NR 41
TC 11
Z9 14
U1 1
U2 7
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 JUL
PY 2011
VL 85
IS 13
BP 6403
EP 6415
DI 10.1128/JVI.02389-10
PG 13
WC Virology
SC Virology
GA 775CG
UT WOS:000291434300030
PM 21490094
ER
PT J
AU Dale, VH
Efroymson, RA
Kline, KL
AF Dale, Virginia H.
Efroymson, Rebecca A.
Kline, Keith L.
TI The land use-climate change-energy nexus
SO LANDSCAPE ECOLOGY
LA English
DT Article
DE Bioenergy; Climate change; Disturbances; Energy; Fossil fuel; Greenhouse
gases; Landscape ecology; Solar energy; Wind energy
ID ATMOSPHERIC CO2; UNITED-STATES; COASTAL ZONES; GLOBAL CHANGE; COVER
CHANGE; WETLAND LOSS; FOREST; IMPACTS; LANDSCAPE; BIOFUELS
AB Landscape ecology focuses on the spatial patterns and processes of ecological and human interactions. These patterns and processes are being altered by both changing resource-management practices of humans and changing climate conditions associated, in part, with increases in atmospheric concentrations of greenhouse gases. Dominant resource-extraction and land-management activities involve energy, and the use of fossil energy is one of the key drivers behind increasing greenhouse gas emissions as well as land-use changes. Alternative energy sources (such as wind, solar, nuclear, and bioenergy) are being explored to reduce greenhouse gas emission rates. Yet, energy production, including alternative-energy options, can have a wide range of effects on land productivity, surface cover, albedo, and other factors that affect carbon, water, and energy fluxes and, in turn, climate. Meanwhile, climate influences the potential output, relative efficiencies, and sustainability of alternative energy sources. Thus, land use, climate change, and energy choices are linked, and any comprehensive analysis in landscape ecology that considers one of these factors should be cognizant of these interactions. This analysis explores the implications of linkages between land use, climate hange, and energy and points out ecological patterns and processes that may be affected by their interactions.
C1 [Dale, Virginia H.; Efroymson, Rebecca A.; Kline, Keith L.] Oak Ridge Natl Lab, Div Environm Sci, Ctr Bioenergy Sustainabil, Oak Ridge, TN 37831 USA.
RP Dale, VH (reprint author), Oak Ridge Natl Lab, Div Environm Sci, Ctr Bioenergy Sustainabil, Bethel Valley Rd,Bldg 1505,Room 200,POB 2008, Oak Ridge, TN 37831 USA.
EM dalevh@ornl.gov; efroymsonra@ornl.gov; klinekl@ornl.gov
OI Kline, Keith/0000-0003-2294-1170; Efroymson, Rebecca/0000-0002-3190-880X
FU U.S. Department of Energy (DOE) [DE-AC05-00OR22725]
FX This research was supported by the U.S. Department of Energy (DOE) under
the Office of the Biomass Program. Oak Ridge National Laboratory is
managed by the UT-Battelle, LLC, for DOE under contract
DE-AC05-00OR22725. We thank Arielle Notte and Christen Donald for
helping us synthesize background information. Frederick O'Hara edited
the manuscript, and Jennifer Smith checked some references. Ben Preston,
Paul Opdam, Jianguo Wu, and two anonymous reviewers provided useful
comments in reviews of an earlier draft of the manuscript.
NR 122
TC 43
Z9 44
U1 9
U2 84
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0921-2973
J9 LANDSCAPE ECOL
JI Landsc. Ecol.
PD JUL
PY 2011
VL 26
IS 6
BP 755
EP 773
DI 10.1007/s10980-011-9606-2
PG 19
WC Ecology; Geography, Physical; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Physical Geography; Geology
GA 775TD
UT WOS:000291485400001
ER
PT J
AU Zhang, XZ
Sathitsuksanoh, N
Zhu, ZG
Zhang, YHP
AF Zhang, Xiao-Zhou
Sathitsuksanoh, Noppadon
Zhu, Zhiguang
Zhang, Y. -H. Percival
TI One-step production of lactate from cellulose as the sole carbon source
without any other organic nutrient by recombinant cellulolytic Bacillus
subtilis
SO METABOLIC ENGINEERING
LA English
DT Article
DE Bacillus subtilis; Cellulase engineering; Consolidated bioprocessing;
Endoglucanase; Lactate; Metabolic engineering; Directed evolution
ID CLOSTRIDIUM-CELLULOVORANS; ENZYMATIC-HYDROLYSIS; AMORPHOUS CELLULOSE;
KLEBSIELLA-OXYTOCA; ETHANOL-PRODUCTION; SUPRAMOLECULAR STRUCTURE;
HETEROLOGOUS EXPRESSION; FERMENTATIVE METABOLISM; RIBOFLAVIN PRODUCTION;
ESCHERICHIA-COLI
AB Although intensive efforts have been made to create recombinant cellulolytic microorganisms, real recombinant cellulose-utilizing microorganisms that can produce sufficient secretory active cellulase, hydrolyze cellulose, and utilize released soluble sugars for supporting both cell growth and cellulase synthesis without any other organic nutrient (e.g., yeast extract, peptone, amino acids), are not available. Here we demonstrated that over-expression of Bacillus subtilis endoglucanase BsCel5 enabled B. subtilis to grow on solid cellulosic materials as the sole carbon source for the first time. Furthermore, two-round directed evolution was conducted to increase specific activity of BsCel5 on regenerated amorphous cellulose (RAC) and enhance its expression/secretion level in B. subtilis. To increase lactate yield, the alpha-acetolactate synthase gene (alsS) in the 2,3-butanediol pathway was knocked out. In the chemically defined minimal M9/RAC medium, B. subtilis X27(pBscel5-MT2C) strain (Delta alsS), which expressed a BsCel5 mutant MT2C, was able to hydrolyze RAC with cellulose digestibility of 74% and produced about 3.1 g/L lactate with a yield of 60% of the theoretical maximum. When 0.1% (w/v) yeast extract was added in the M9/RAC medium, cellulose digestibility and lactate yield were enhanced to 92% and 63% of the theoretical maximum, respectively. The recombinant industrially safe cellulolytic B. subtilis would be a promising consolidated bioprocessing platform for low-cost production of biocommodities from cellulosic materials. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Zhang, Xiao-Zhou; Sathitsuksanoh, Noppadon; Zhu, Zhiguang; Zhang, Y. -H. Percival] Virginia Tech, Dept Biol Syst Engn, Blacksburg, VA 24061 USA.
[Sathitsuksanoh, Noppadon; Zhang, Y. -H. Percival] Virginia Tech, Inst Crit Technol & Appl Sci, Blacksburg, VA 24061 USA.
[Zhang, Y. -H. Percival] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Zhang, YHP (reprint author), Virginia Tech, Dept Biol Syst Engn, Blacksburg, VA 24061 USA.
EM ypzhang@vt.edu
RI sathitsuksanoh, noppadon/O-6305-2014; Zhu, Zhiguang/I-3936-2016
OI sathitsuksanoh, noppadon/0000-0003-1521-9155;
FU DOE BioEnergy Science Center; Office of Biological and Environmental
Research in the DOE Office of Science; USDA Bioprocessing and Biodesign
Center; College of Agriculture and Life Sciences Biodesign and
Bioprocessing Research Center; Virginia Tech; Institute for Critical
Technology and Applied Science (ICTAS) at Virginia Tech
FX This work was supported mainly by the DOE BioEnergy Science Center. The
BioEnergy Science Center is a US Department of Energy Bioenergy Research
Center supported by the Office of Biological and Environmental Research
in the DOE Office of Science. This work was also partially supported by
the USDA Bioprocessing and Biodesign Center, the College of Agriculture
and Life Sciences Biodesign and Bioprocessing Research Center and the
Integrated Internal Competitive Grants Program at Virginia Tech. N.S.
was supported in part by the Institute for Critical Technology and
Applied Science (ICTAS) at Virginia Tech. We thank Dr. Daniel Zeigler
from the Bacillus Genetic Stock Center, Dr. Alfredo Martinez-Jimenez
from National Autonomous University of Mexico, and Dr. Sui-Lam Wong from
University of Calgary for providing bacterial strains and/or plasmids.
NR 70
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U1 2
U2 48
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1096-7176
J9 METAB ENG
JI Metab. Eng.
PD JUL
PY 2011
VL 13
IS 4
BP 364
EP 372
DI 10.1016/j.ymben.2011.04.003
PG 9
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 775OX
UT WOS:000291471500002
PM 21549854
ER
PT J
AU Alonso, AP
Val, DL
Shachar-Hill, Y
AF Alonso, Ana Paula
Val, Dale L.
Shachar-Hill, Yair
TI Understanding fatty acid synthesis in developing maize embryos using
metabolic flux analysis (vol 12, pg 488, 2010)
SO METABOLIC ENGINEERING
LA English
DT Correction
C1 [Alonso, Ana Paula; Shachar-Hill, Yair] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
[Alonso, Ana Paula; Shachar-Hill, Yair] Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA.
RP Alonso, AP (reprint author), Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
EM alonsoa@msu.edu
RI Shachar-Hill, Yair/B-6165-2013
OI Shachar-Hill, Yair/0000-0001-8793-5084
NR 1
TC 0
Z9 0
U1 1
U2 15
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1096-7176
J9 METAB ENG
JI Metab. Eng.
PD JUL
PY 2011
VL 13
IS 4
BP 454
EP 454
DI 10.1016/j.ymben.2011.01.007
PG 1
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 775OX
UT WOS:000291471500011
ER
PT J
AU Hofmockel, KS
Zak, DR
Moran, KK
Jastrow, JD
AF Hofmockel, Kirsten S.
Zak, Donald R.
Moran, Kelly K.
Jastrow, Julie D.
TI Changes in forest soil organic matter pools after a decade of elevated
CO2 and O-3
SO SOIL BIOLOGY & BIOCHEMISTRY
LA English
DT Article
DE Soil C sequestration; Soil organic matter; Physical fractionation; N-15;
C-13; Stable isotope; Elevated O-3; Elevated CO2; FACE experiment; POM
ID ATMOSPHERIC CARBON-DIOXIDE; TROPOSPHERIC O-3; TREMBLING ASPEN;
LIQUIDAMBAR-STYRACIFLUA; RESIDUE DECOMPOSITION; MICROBIAL BIOMASS;
NORTHERN FORESTS; MEDIATE CHANGES; FACE EXPERIMENT; PARTICLE-SIZE
AB The impact of rising atmospheric carbon dioxide (CO2) may be mitigated, in part, by enhanced rates of net primary production and greater C storage in plant biomass and soil organic matter (SOM). However, C sequestration in forest soils may be offset by other environmental changes such as increasing tropospheric ozone (O-3) or vary based on species-specific growth responses to elevated CO2. To understand how projected increases in atmospheric CO2 and O-3 alter SOM formation, we used physical fractionation to characterize soil C and N at the Rhinelander Free Air CO2-O-3 Enrichment (FACE) experiment. Tracer amounts of (NH4+)-N-15 were applied to the forest floor of Populus tremuloides, P. tremuloides-Betula papynlera and P. tremuloides-Acer saccharum communities exposed to factorial CO2 and O-3 treatments. The N-15 tracer and strongly depleted C-13-CO2 were traced into SOM fractions over four years. Over time, C and N increased in coarse particulate organic matter (cPOM) and decreased in mineral-associated organic matter (MAOM) under elevated CO2 relative to ambient CO2. As main effects, neither CO2 nor O-3 significantly altered N-15 recovery in SOM. Elevated CO2 significantly increased new C in all SOM fractions, and significantly decreased old C in fine POM (fPOM) and MAOM over the duration of our study. Overall, our observations indicate that elevated CO2 has altered SOM cycling at this site to favor C and N accumulation in less stable pools, with more rapid turnover. Elevated O-3 had the opposite effect, significantly reducing cPOM N by 15% and significantly increasing the C:N ratio by 7%. Our results demonstrate that CO2 can enhance SOM turnover, potentially limiting long-term C sequestration in terrestrial ecosystems; plant community composition is an important determinant of the magnitude of this response. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Hofmockel, Kirsten S.] Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA 50011 USA.
[Hofmockel, Kirsten S.; Zak, Donald R.] Univ Michigan, Sch Nat Resources & Environm, Ann Arbor, MI 48109 USA.
[Zak, Donald R.] Univ Michigan, Dept Ecol & Evolutionary Biol, Ann Arbor, MI 48109 USA.
[Moran, Kelly K.; Jastrow, Julie D.] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
RP Hofmockel, KS (reprint author), Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA 50011 USA.
EM khof@iastate.edu
RI Zak, Donald/C-6004-2012
FU U.S. Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-06CH11357]
FX Our work was supported by the U.S. Department of Energy, Office of
Science, Office of Biological and Environmental Research under grants to
the University of Michigan and contract DE-AC02-06CH11357 to Argonne
National Laboratory. We are greatly thankful to the people who assisted
with field and laboratory work associated with this research, including
Lindsay Cameron, Lauren Cline, Bill Holmes, Wendy Loya, Claire
Marchetta, and Rima Upchurch.
NR 68
TC 22
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U1 7
U2 67
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0038-0717
J9 SOIL BIOL BIOCHEM
JI Soil Biol. Biochem.
PD JUL
PY 2011
VL 43
IS 7
BP 1518
EP 1527
DI 10.1016/j.soilbio.2011.03.030
PG 10
WC Soil Science
SC Agriculture
GA 776YI
UT WOS:000291576800016
ER
PT J
AU de la Venta, J
Basaran, AC
Grant, T
Machado, AJS
Suchomel, MR
Weber, RT
Fisk, Z
Schuller, IK
AF de la Venta, J.
Basaran, Ali C.
Grant, T.
Machado, A. J. S.
Suchomel, M. R.
Weber, R. T.
Fisk, Z.
Schuller, Ivan K.
TI Methodology and search for superconductivity in the La-Si-C system
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article
ID RARE-EARTH SILICIDES; PHASE-DIAGRAM; GERMANIDES; PRESSURE
AB In this paper we describe a methodology for the search for new superconducting materials. This consists of a parallel synthesis of a highly inhomogeneous alloy which covers large areas of the metallurgical phase diagram combined with a fast, microwave-based method which allows non-superconducting portions of the sample to be discarded. Once an inhomogeneous sample containing a minority phase superconductor is identified, we revert to well-known thorough identification methods which include standard physical and structural methods. We show how a systematic structural study helps in avoiding misidentification of new superconducting materials when there are indications from other methods of new discoveries. These ideas are applied to the La-Si-C system which exhibits promising normal state properties which are sometimes correlated with superconductivity. Although this system shows indications for the presence of a new superconducting compound, the careful analysis described here shows that the superconductivity in this system can be attributed to intermediate binary and single phases of the system.
C1 [de la Venta, J.; Basaran, Ali C.; Schuller, Ivan K.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
[de la Venta, J.; Basaran, Ali C.; Schuller, Ivan K.] Univ Calif San Diego, Ctr Adv Nanosci, La Jolla, CA 92093 USA.
[Grant, T.; Machado, A. J. S.; Fisk, Z.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
[Machado, A. J. S.] Univ Sao Paulo, EEL, BR-12600970 Sao Paulo, Brazil.
[Suchomel, M. R.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Weber, R. T.] Bruker BioSpin Corp, EPR Div, Billerica, MA 01821 USA.
RP de la Venta, J (reprint author), Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
EM jdelaventa@physics.ucsd.edu
RI Machado, Antonio /F-6130-2012; Basaran, Ali/K-2563-2013; Grant,
Ted/O-7453-2014;
OI Grant, Ted/0000-0002-2636-8212; SUCHOMEL, Matthew/0000-0002-9500-5079
FU AFOSR MURI; US Department of Energy, Office of Science, Office of Basic
Energy Sciences [DE-AC02-06CH11357]
FX We gratefully acknowledge the critical reading and valuable comments
from Professor I Felner. This work was supported by an AFOSR MURI grant.
Use of the Advanced Photon Source at Argonne National Laboratory was
supported by the US Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
NR 34
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U1 2
U2 14
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD JUL
PY 2011
VL 24
IS 7
AR 075017
DI 10.1088/0953-2048/24/7/075017
PG 7
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 775NU
UT WOS:000291467500017
ER
PT J
AU Kametani, F
Shen, T
Jiang, J
Scheuerlein, C
Malagoli, A
Di Michiel, M
Huang, Y
Miao, H
Parrell, JA
Hellstrom, EE
Larbalestier, DC
AF Kametani, F.
Shen, T.
Jiang, J.
Scheuerlein, C.
Malagoli, A.
Di Michiel, M.
Huang, Y.
Miao, H.
Parrell, J. A.
Hellstrom, E. E.
Larbalestier, D. C.
TI Bubble formation within filaments of melt-processed Bi2212 wires and its
strongly negative effect on the critical current density
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article
ID MAGNET APPLICATIONS; TECHNOLOGY; CONDUCTORS; OXYGEN; TAPES; J(C)
AB Most studies of Bi2Sr2CaCu2Ox (Bi2212) show that the critical current density J(c) is limited by the connectivity of the filaments, but what determines the connectivity is still elusive. Here we report on the role played by filament porosity in limiting J(c). By a microstructural investigation of wires quenched from the melt state, we find that porosity in the unreacted wire agglomerates into bubbles that segment the Bi2212 melt within the filaments into discrete sections. These bubbles do not disappear during subsequent processing because they are only partially filled by Bi2212 grains as the Bi2212 forms on cooling. Correlating the microstructure of quenched wires to their final, fully processed J(c) values shows an inverse relation between J(c) and bubble density. Bubbles are variable between conductors and perhaps from sample to sample, but they occur frequently and almost completely fill the filament diameter, so they exert a strongly variable but always negative effect on J(c). Bubbles reduce the continuous Bi2212 path within each filament and force supercurrent to flow through Bi2212 grains that span the bubbles or through a thin Bi2212 layer at the interface between the bubble and the Ag matrix. Eliminating bubbles appears to be a promising new path to raise the J(c) of Bi2212 round wires.
C1 [Kametani, F.; Shen, T.; Jiang, J.; Malagoli, A.; Hellstrom, E. E.; Larbalestier, D. C.] Florida State Univ, Natl High Field Magnet Lab, Ctr Appl Superconduct, Tallahassee, FL 32310 USA.
[Shen, T.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Scheuerlein, C.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[Di Michiel, M.] European Synchrotron Radiat Facil, F-38043 Grenoble, France.
[Huang, Y.; Miao, H.; Parrell, J. A.] Oxford Superconducting Technol, Carteret, NJ 07008 USA.
RP Kametani, F (reprint author), Florida State Univ, Natl High Field Magnet Lab, Ctr Appl Superconduct, Tallahassee, FL 32310 USA.
RI Larbalestier, David/B-2277-2008; Shen, Tengming/G-7320-2012; Jiang,
Jianyi/F-2549-2017
OI Larbalestier, David/0000-0001-7098-7208; Jiang,
Jianyi/0000-0002-1094-2013
FU US Department of Energy; National Science Foundation [NSF/DMR-0084173];
State of Florida
FX We are very grateful to discussions within the Very High Field
Superconducting Magnet Collaboration. The work was supported by the
VHFSMC, an ARRA grant of the US Department of Energy and by the National
High Magnetic Field Laboratory which is supported by the National
Science Foundation under NSF/DMR-0084173 and by the State of Florida. We
also acknowledge the ESRF for beam time on the ID15A beamline.
NR 20
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U1 2
U2 13
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD JUL
PY 2011
VL 24
IS 7
AR 075009
DI 10.1088/0953-2048/24/7/075009
PG 7
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 775NU
UT WOS:000291467500009
ER
PT J
AU Rezaei, F
Joh, LD
Kashima, H
Reddy, AP
VanderGheynst, JS
AF Rezaei, Farzaneh
Joh, Lawrence D.
Kashima, Hiroyuki
Reddy, Amitha P.
VanderGheynst, Jean S.
TI Selection of Conditions for Cellulase and Xylanase Extraction from
Switchgrass Colonized by Acidothermus cellulolyticus
SO APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
LA English
DT Article
DE Enzyme extraction; Solid-state fermentation; Cellulase; Xylanase;
Acidothermus cellulolyticus
ID SOLID-STATE FERMENTATION; ENZYMATIC-HYDROLYSIS; TRICHODERMA-REESEI;
ASPERGILLUS-NIGER; PHENOLIC MONOMERS; PURIFICATION; CULTIVATION;
BACTERIA; LIGNOCELLULOSE; OPTIMIZATION
AB Solid-state fermentation has been widely used for enzyme production. However, secreted enzymes often bind to the solid substrate preventing their detection and recovery. A series of screening studies was performed to examine the role of extraction buffer composition including NaCl, ethylene glycol, sodium acetate buffer, and Tween 80, on xylanase and cellulase recovery from switchgrass. Our results indicated that the selection of an extraction buffer is highly dependent on the nature and source of the enzyme being extracted. While a buffer containing 50 mM sodium acetate at pH 5 was found to have a positive effect on the recovery of commercial fungal-derived cellulase and xylanase amended to switchgrass, the same buffer had a significant negative effect on enzyme extraction from solid fermentation samples colonized by the bacterium Acidothermus cellulolyticus. Xylanase activity was more affected by components in the extraction buffers compared to cellulase. This study demonstrated that extraction followed by diafiltration is important for assessing enzyme recovery from solid fermentation samples. Reduction in activity due to compounds present in the switchgrass extracts is reversible when the compounds are removed via diafiltration.
C1 [Rezaei, Farzaneh; Joh, Lawrence D.; Kashima, Hiroyuki; Reddy, Amitha P.; VanderGheynst, Jean S.] Univ Calif Davis, Dept Biol & Agr Engn, Davis, CA 95616 USA.
[Reddy, Amitha P.; VanderGheynst, Jean S.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
RP VanderGheynst, JS (reprint author), Univ Calif Davis, Dept Biol & Agr Engn, 1 Shields Ave, Davis, CA 95616 USA.
EM jsvander@ucdavis.edu
FU Chevron Technology Ventures; U.S. Department of Energy, Office of
Science, Office of Biological and Environmental Research between
Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]; U.S.
Department of Energy
FX Funding for this research was provided by Chevron Technology Ventures.
The authors wish to thank Christopher Lee and Joshua Claypool for
assistance with enzyme extraction studies. Research by A.P. Reddy and
J.S. VanderGheynst 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 40
TC 7
Z9 8
U1 0
U2 11
PU HUMANA PRESS INC
PI TOTOWA
PA 999 RIVERVIEW DRIVE SUITE 208, TOTOWA, NJ 07512 USA
SN 0273-2289
J9 APPL BIOCHEM BIOTECH
JI Appl. Biochem. Biotechnol.
PD JUL
PY 2011
VL 164
IS 6
BP 793
EP 803
DI 10.1007/s12010-011-9174-6
PG 11
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA 772EY
UT WOS:000291218200007
PM 21318368
ER
PT J
AU Lee, J
Lee, TK
Loffler, FE
Park, J
AF Lee, Jaejin
Lee, Tae Kwon
Loeffler, Frank E.
Park, Joonhong
TI Characterization of microbial community structure and population
dynamics of tetrachloroethene-dechlorinating tidal mudflat communities
SO BIODEGRADATION
LA English
DT Article
DE Titanium pyrosequencing; Microbial reductive dechlorination; Tidal flat
ID STRICTLY ANAEROBIC BACTERIUM; DEHALOCOCCOIDES SP STRAIN; VINYL-CHLORIDE;
REDUCTIVE DECHLORINATION; DEHALOSPIRILLUM-MULTIVORANS; SP NOV.;
ELECTRON-ACCEPTORS; GEOBACTER-LOVLEYI; FLAT SEDIMENTS; GEN. NOV.
AB Tetrachloroethene (PCE) and trichloroethene (TCE) are common groundwater contaminants that also impact tidal flats, especially near urban and industrial areas. However, very little is known about dechlorinating microbial communities in tidal flats. Titanium pyrosequencing, 16S rRNA gene clone libraries, and dechlorinator-targeted quantitative real-time PCR (qPCR) characterized reductive dechlorinating activities and populations in tidal flat sediments collected from South Korea's central west coast near Kangwha. In microcosms established with surface sediments, PCE dechlorination to TCE began within 10 days and 100% of the initial amount of PCE was converted to TCE after 37 days. cis-1,2-Dichloroethene (cis-DCE) was observed as dechlorination end product in microcosms containing sediments collected from deeper zones (i.e., 35-40 cm below ground surface). Pyrosequencing of bacterial 16S rRNA genes and 16S rRNA gene-targeted qPCR results revealed Desulfuromonas michiganensis-like populations predominanted in both TCE and cis-DCE producing microcosms. Other abundant groups included Desulfuromonas thiophila and Pelobacter acidigallici-like populations in the surface sediment microcosms, and Desulfovibrio dechloracetivorans and Fusibacter paucivorans-like populations in the deeper sediment microcosms. Dehalococcoides spp. populations were not detected in these sediments before and after incubation with PCE. The results suggest that tidal flats harbor novel, salt-tolerant dechlorinating populations and that titanium pyrosequencing provides more detailed insight into community structure dynamics of the dechlorinating microcosms than conventional 16S rRNA gene sequencing or fingerprinting methods.
C1 [Lee, Jaejin; Lee, Tae Kwon; Park, Joonhong] Yonsei Univ, Sch Civil & Environm Engn, Seoul 120749, South Korea.
[Loeffler, Frank E.] Univ Tennessee, Dept Microbiol, Knoxville, TN 37996 USA.
[Loeffler, Frank E.] Univ Tennessee, Dept Civil & Environm Engn, Knoxville, TN 37996 USA.
[Loeffler, Frank E.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
RP Park, J (reprint author), Yonsei Univ, Sch Civil & Environm Engn, Shinchon Dong 134, Seoul 120749, South Korea.
EM parkj@yonsei.ac.kr
RI Park, Joonhong/G-8064-2012; Loeffler, Frank/M-8216-2013; Park,
Joonhong/A-3520-2016
FU Korea Ministry of Environment [051-071-031]; Ministry of Education,
Science and Technology [R33-10076]
FX We gratefully acknowledge Dr. James M. Tiedje from Center for Microbial
Ecology at Michigan State University for his valuable review and advice.
This study was supported by Korea Ministry of Environment as "The
Eco-technopia 21 Project'' (051-071-031) and WCU (World Class
University) program through the National Research Foundation of Korea
funded by the Ministry of Education, Science and Technology (R33-10076).
NR 50
TC 15
Z9 15
U1 0
U2 25
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0923-9820
J9 BIODEGRADATION
JI Biodegradation
PD JUL
PY 2011
VL 22
IS 4
SI SI
BP 687
EP 698
DI 10.1007/s10532-010-9429-x
PG 12
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 771NZ
UT WOS:000291168600002
PM 21053056
ER
PT J
AU Cusack, DF
Silver, WL
Torn, MS
McDowell, WH
AF Cusack, Daniela F.
Silver, Whendee L.
Torn, Margaret S.
McDowell, William H.
TI Effects of nitrogen additions on above- and belowground carbon dynamics
in two tropical forests
SO BIOGEOCHEMISTRY
LA English
DT Article
DE Aboveground biomass; Dissolved organic carbon; Nutrient limitation;
Roots; Soil density fractions; Soil respiration
ID SOIL ORGANIC-MATTER; SUBTROPICAL WET FOREST; FINE-ROOT DYNAMICS;
LONG-TERM PATTERNS; PUERTO-RICO; RAIN-FOREST; N DEPOSITION; PHOSPHORUS
FERTILIZATION; TERRESTRIAL ECOSYSTEMS; NUTRIENT LIMITATION
AB Anthropogenic nitrogen (N) deposition is increasing rapidly in tropical regions, adding N to ecosystems that often have high background N availability. Tropical forests play an important role in the global carbon (C) cycle, yet the effects of N deposition on C cycling in these ecosystems are poorly understood. We used a field N-fertilization experiment in lower and upper elevation tropical rain forests in Puerto Rico to explore the responses of above- and belowground C pools to N addition. As expected, tree stem growth and litterfall productivity did not respond to N fertilization in either of these N-rich forests, indicating a lack of N limitation to net primary productivity (NPP). In contrast, soil C concentrations increased significantly with N fertilization in both forests, leading to larger C stocks in fertilized plots. However, different soil C pools responded to N fertilization differently. Labile (low density) soil C fractions and live fine roots declined with fertilization, while mineral-associated soil C increased in both forests. Decreased soil CO2 fluxes in fertilized plots were correlated with smaller labile soil C pools in the lower elevation forest (R-2 = 0.65, p < 0.05), and with lower live fine root biomass in the upper elevation forest (R-2 = 0.90, p < 0.05). Our results indicate that soil C storage is sensitive to N deposition in tropical forests, even where plant productivity is not N-limited. The mineral-associated soil C pool has the potential to respond relatively quickly to N additions, and can drive increases in bulk soil C stocks in tropical forests.
C1 [Cusack, Daniela F.; Silver, Whendee L.] Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA.
[Torn, Margaret S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[McDowell, William H.] Univ New Hampshire, Dept Nat Resources & Environm, Durham, NH 03824 USA.
RP Cusack, DF (reprint author), Univ Calif Santa Barbara, Dept Geog, 1832 Ellison Hall, Santa Barbara, CA 93106 USA.
EM dcusack@geog.ucsb.edu
RI Silver, Whendee/H-1118-2012; McDowell, William/E-9767-2010; Torn,
Margaret/D-2305-2015
OI McDowell, William/0000-0002-8739-9047;
FU NSF [DEB 0543558, DEB 0620910]; USDA [9900975]; International Institute
of Tropical Forestry USDA Forest Service; Climate Change Research
Division of the U.S. Department of Energy [DE-AC02-05CH11231];
Agricultural Experiment Station; International Institute of Tropical
Forestry, USDA Forest Service
FX We thank C. Castanha, J. K. Harte, J. Merriam, A. Thompson, S.
Weintraub, and J. Wright for assistance in the field and laboratory.
Funding was provided by an NSF Graduate Student Research Fellowship, an
NSF Doctoral Dissertation Improvement Grant, and a University of
California-Berkeley Atmospheric Sciences Center grant to D. F. Cusack.
This research was also supported by NSF grant DEB 0543558 to W. Silver,
USDA grant 9900975 to W. H. McDowell, and NSF grant DEB 0620910 to the
Institute for Tropical Ecosystem Studies, University of Puerto Rico, and
the International Institute of Tropical Forestry USDA Forest Service.
Partial support was provided by the Climate Change Research Division of
the U.S. Department of Energy under Contract No. DE-AC02-05CH11231 to M.
Torn, by Agricultural Experiment Station funds to W. Silver, and by the
International Institute of Tropical Forestry, USDA Forest Service. C. D.
Evans and two anonymous reviewers provided insightful editorial
comments.
NR 109
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U1 8
U2 121
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0168-2563
J9 BIOGEOCHEMISTRY
JI Biogeochemistry
PD JUL
PY 2011
VL 104
IS 1-3
BP 203
EP 225
DI 10.1007/s10533-010-9496-4
PG 23
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 771OA
UT WOS:000291168900015
ER
PT J
AU Findlay, SEG
Mulholland, PJ
Hamilton, SK
Tank, JL
Bernot, MJ
Burgin, AJ
Crenshaw, CL
Dodds, WK
Grimm, NB
McDowell, WH
Potter, JD
Sobota, DJ
AF Findlay, S. E. G.
Mulholland, P. J.
Hamilton, S. K.
Tank, J. L.
Bernot, M. J.
Burgin, A. J.
Crenshaw, C. L.
Dodds, W. K.
Grimm, N. B.
McDowell, W. H.
Potter, J. D.
Sobota, D. J.
TI Cross-stream comparison of substrate-specific denitrification potential
SO BIOGEOCHEMISTRY
LA English
DT Article
DE Stream; Denitrification; DEA; Comparative; Substrate-specific;
Comparison of potential with realized denitrification
ID GULF-OF-MEXICO; TRANSIENT STORAGE; HEADWATER STREAMS; NITROGEN; NITRATE;
ECOSYSTEMS; RETENTION; RIVER; NITRIFICATION; TERRESTRIAL
AB Headwater streams have a demonstrated ability to denitrify a portion of their nitrate (NO(3) (-)) load but there has not been an extensive consideration of where in a stream this process is occurring and how various habitats contribute to total denitrification capability. As part of the Lotic Intersite Nitrogen Experiment II (LINX II) we measured denitrification potential in 65 streams spanning eight regions of the US and draining three land-use types. In each stream, potential denitrification rates were measured in common substrate types found across many streams as well as locations unique to particular streams. Overall, habitats from streams draining urban and agricultural land-uses showed higher potential rates of denitrification than reference streams draining native vegetation. This difference among streams was probably driven by higher ambient nitrate concentrations found in urban or agricultural streams. Within streams, sandy habitats and accumulations of fine benthic organic matter contributed more than half of the total denitrification capacity (mg N removed m(-2) h(-1)). A particular rate of potential denitrification per unit area could be achieved either by high activity per unit organic matter or lower activities associated with larger standing stocks of organic matter. We found that both small patches with high rates (hot spots) or more widespread but less active areas (cool matrix) contributed significantly to whole stream denitrification capacity. Denitrification estimated from scaled-up denitrification enzyme assay (DEA) potentials were not always dramatically higher than in situ rates of denitrification measured as (15)N gas generation following 24-h (15)N-NO(3) tracer additions. In general, headwater streams draining varying land-use types have significant potential to remove nitrate via denitrification and some appear to be functioning near their maximal capacity.
C1 [Findlay, S. E. G.; Burgin, A. J.] Cary Inst Ecosyst Studies, Millbrook, NY 12545 USA.
[Mulholland, P. J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Hamilton, S. K.] Michigan State Univ, Kellogg Biol Stn, Hickory Corners, MI 49060 USA.
[Tank, J. L.] Univ Notre Dame, Dept Biol Sci, Notre Dame, IN 46556 USA.
[Bernot, M. J.] Ball State Univ, Dept Biol, Muncie, IN 47306 USA.
[Crenshaw, C. L.] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
[Dodds, W. K.] Kansas State Univ, Div Biol, Manhattan, KS 66506 USA.
[Grimm, N. B.] Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA.
[McDowell, W. H.; Potter, J. D.] Univ New Hampshire, Dept Nat Resources & Environm, Durham, NH 03824 USA.
[Sobota, D. J.] Oregon State Univ, Dept Fisheries & Wildlife, Corvallis, OR 97331 USA.
RP Findlay, SEG (reprint author), Cary Inst Ecosyst Studies, Millbrook, NY 12545 USA.
EM findlays@CaryInstitute.org
RI Mulholland, Patrick/C-3142-2012; Grimm, Nancy/D-2840-2009; Burgin,
Amy/G-7444-2014; McDowell, William/E-9767-2010; Hamilton,
Stephen/N-2979-2014
OI Grimm, Nancy/0000-0001-9374-660X; Burgin, Amy/0000-0001-8489-4002;
McDowell, William/0000-0002-8739-9047; Hamilton,
Stephen/0000-0002-4702-9017
NR 34
TC 24
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U1 1
U2 72
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0168-2563
J9 BIOGEOCHEMISTRY
JI Biogeochemistry
PD JUL
PY 2011
VL 104
IS 1-3
BP 381
EP 392
DI 10.1007/s10533-010-9512-8
PG 12
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 771OA
UT WOS:000291168900026
ER
PT J
AU Willson, JD
Dorcas, ME
Snow, RW
AF Willson, John D.
Dorcas, Michael E.
Snow, Raymond W.
TI Identifying plausible scenarios for the establishment of invasive
Burmese pythons (Python molurus) in Southern Florida
SO BIOLOGICAL INVASIONS
LA English
DT Article
DE Everglades National Park; Introduction; Invasive species; Population
growth; Python molurus bivittatus; Reptiles; Snakes
ID BOA-CONSTRICTOR; PREDATORS; SURVIVAL; ECOLOGY; SNAKE
AB Successful invasions of secretive alien species often go unrecognized until spread has exceeded the point where control or eradication is feasible. In such situations, understanding factors that contributed to establishment can be critical to preventing subsequent introductions of previously-successful invaders or ecologically similar species. The Burmese python (Python molurus bivittatus), a native to Southeast Asia, is abundant in the pet trade and is now well-established in southern Florida. Although there can be little argument that the ultimate source of Florida pythons was the pet industry, there has been limited consideration of biological support for scenarios that may have lead to their establishment. In this study we use information on python capture rates and biologically-derived population growth models to evaluate the plausibility of various scenarios for python establishment. Our results indicate that scenarios involving relatively recent establishment (post-1990) require large numbers (100-1,000) of founders or unrealistically high juvenile survivorship. Intentional simultaneous release of large numbers of pythons is unlikely and accidental release of large numbers of founders is inconsistent with the spatial and temporal pattern of pythons captures in the region. We conclude that the most parsimonious scenario for establishment of pythons in Florida involves the release of a relatively small number of founders prior to 1985. Our results demonstrate that for pythons and other species with low inherent detection probabilities, early action during incipient phases of an invasion is critical and understanding likely introduction scenarios is important for preventing similar situations from occurring elsewhere or with other species.
C1 [Willson, John D.] Virginia Polytech Inst & State Univ, Dept Fisheries & Wildlife Sci, Blacksburg, VA 24061 USA.
[Willson, John D.] Savannah River Ecol Lab, Aiken, SC 29809 USA.
[Dorcas, Michael E.] Davidson Coll, Dept Biol, Davidson, NC 28035 USA.
[Snow, Raymond W.] Everglades Natl Pk, Homestead, FL 33034 USA.
RP Willson, JD (reprint author), Virginia Polytech Inst & State Univ, Dept Fisheries & Wildlife Sci, 100 Cheatham Hall, Blacksburg, VA 24061 USA.
EM willsonj@vt.edu
FU USGS; Davidson College Biology Department; National Science Foundation
[DEB-0, DEB-347, DEB-326]; Department of Energy [DE-FC-09-075R22506]
FX We thank numerous people who collected python abundance and life-history
data in Florida, without which these modeling exercises would not have
been possible. Of particular note for their involvement in field
collection and data collection for pythons are Matt Brien, Michael
Cherkiss, Justin Davis, Anthony Flanagan, Wellington Guzman, Kristen
Hart, Bobby Hill, Toren Hill, Frank Mazzotti, Kenneth Rice, Michael
Rochford, LeRoy Rodgers, Theresa Walters, and Alex Wolf. Discussions
with Kenneth Krysko, Robert Reed, and Paul Andreadis were useful in
evaluating the spatial and temporal patterns of python captures. Kristen
Hart, Shannon Pittman, Steven Price, Robert Reed, J. W. Gibbons, and one
anonymous reviewer provided comments that helped to improve the
manuscript. Partial funding for this study was provided by USGS,
Davidson College Biology Department, and by National Science Foundation
grant (DEB-0,347,326) to M.E. Dorcas. This material is based upon work
supported by the Department of Energy under Award Number
DE-FC-09-075R22506.
NR 27
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U1 28
U2 224
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1387-3547
J9 BIOL INVASIONS
JI Biol. Invasions
PD JUL
PY 2011
VL 13
IS 7
BP 1493
EP 1504
DI 10.1007/s10530-010-9908-3
PG 12
WC Biodiversity Conservation; Ecology
SC Biodiversity & Conservation; Environmental Sciences & Ecology
GA 771MZ
UT WOS:000291164300002
ER
PT J
AU Nelson, MA
Pardyjak, ER
Klein, P
AF Nelson, Matthew A.
Pardyjak, Eric R.
Klein, Petra
TI Momentum and Turbulent Kinetic Energy Budgets Within the Park Avenue
Street Canyon During the Joint Urban 2003 Field Campaign
SO BOUNDARY-LAYER METEOROLOGY
LA English
DT Article
DE Momentum budget; Street canyon; Turbulent kinetic energy budget; Urban
turbulence
ID ANEMOMETER (CO)SINE RESPONSE; SONIC ANEMOMETER; FLUX MEASUREMENT;
WIND-FIELD; FLOW; TEMPERATURE; STATISTICS; ROUGHNESS; STABILITY; SPECTRA
AB Very few attempts have so far been made to quantify the momentum and turbulent kinetic energy (TKE) budgets within real urban canopies. In this study, sonic anemometer data obtained during the Joint Urban 2003 field campaign in Oklahoma City, U.S.A. were used for calculating the momentum and TKE budgets within a real-world urban street canyon. Sonic anemometers were deployed on multiple towers in the lower half of the canyon. Gradients in all three principal directions were included in the analyses. The storage and buoyancy terms were found to have negligible contributions to both the momentum and TKE budgets. The momentum budgets were generally found to be more complex than a simple balance of two physical processes. The horizontal terms were found to have significant and sometimes dominant contributions to the momentum and TKE budgets.
C1 [Nelson, Matthew A.] Los Alamos Natl Lab, Grp D 3, Los Alamos, NM 87545 USA.
[Pardyjak, Eric R.] Univ Utah, Dept Mech Engn, Salt Lake City, UT 84112 USA.
[Klein, Petra] Univ Oklahoma, Sch Meteorol, Norman, OK 73072 USA.
RP Nelson, MA (reprint author), Los Alamos Natl Lab, Grp D 3, POB 1663, Los Alamos, NM 87545 USA.
EM nelsonm@lanl.gov
RI Klein, Petra/G-1894-2012
OI Klein, Petra/0000-0003-2943-7831
FU Defence Threat Reduction Agency; Dugway Proving Ground; H. E. Cramer
Company, Inc.; Marc Parlange; Laboratory of Environmental Fluid
Mechanics and Hydrology (EFLUM) at Ecole Polytechnique Federale de
Lausanne (EPFL)
FX The above study was supported by the Defence Threat Reduction Agency and
Dugway Proving Ground through a contract with the H. E. Cramer Company,
Inc. The authors also acknowledge the hard work of the other Park Avenue
street canyon team workers and others who contributed to the datasets
and figures presented in this study. In addition, the authors are very
grateful to the local government workers, business owners and workers,
and citizens of Oklahoma City who made the JU2003 field experiment
possible. The authors would also like to thank Marc Parlange and the
Laboratory of Environmental Fluid Mechanics and Hydrology (EFLUM) at
Ecole Polytechnique Federale de Lausanne (EPFL) for their support in
Switzerland.
NR 31
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U1 1
U2 5
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0006-8314
J9 BOUND-LAY METEOROL
JI Bound.-Layer Meteor.
PD JUL
PY 2011
VL 140
IS 1
BP 143
EP 162
DI 10.1007/s10546-011-9610-8
PG 20
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 774BH
UT WOS:000291355800009
ER
PT J
AU Finsterle, S
Zhang, YQ
AF Finsterle, Stefan
Zhang, Yingqi
TI Solving iTOUGH2 simulation and optimization problems using the PEST
protocol
SO ENVIRONMENTAL MODELLING & SOFTWARE
LA English
DT Article
DE Optimization; Sensitivity analysis; Inverse modeling; Uncertainty
quantification; iTOUGH2; PEST
ID UNSATURATED FLOW; BACTERIAL UREOLYSIS; AQUIFER PARAMETERS; HARMONY
SEARCH; VADOSE ZONE; MODEL; ALGORITHM; SEEPAGE; INVERSE; FIELD
AB The PEST protocol has been implemented into the iTOUGH2 code, allowing the user to link any simulation program (with ASCII-based inputs and outputs) to iTOUGH2's sensitivity analysis, inverse modeling, and uncertainty quantification capabilities. These application models can be pre- or post-processors of the TOUGH2 non-isothermal multiphase flow and transport simulator, or programs that are unrelated to the TOUGH suite of codes. PEST-style template and instruction files are used, respectively, to pass input parameters updated by the iTOUGH2 optimization routines to the model, and to retrieve the model-calculated values that correspond to observable variables. We summarize the iTOUGH2 capabilities and demonstrate the flexibility added by the PEST protocol for the solution of a variety of simulation optimization problems. In particular, the combination of loosely coupled and tightly integrated simulation and optimization routines provides both the flexibility and control needed to solve challenging inversion problems for the analysis of multiphase subsurface flow and transport systems. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Finsterle, Stefan; Zhang, Yingqi] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Finsterle, S (reprint author), Lawrence Berkeley Natl Lab, Div Earth Sci, 1 Cyclotron Rd,MS 90-1116, Berkeley, CA 94720 USA.
EM safinsterle@lbl.gov
RI Finsterle, Stefan/A-8360-2009; Zhang, Yingqi/D-1203-2015
OI Finsterle, Stefan/0000-0002-4446-9906;
FU Office of Wind and Geothermal Technologies, of the U.S. Department of
Energy; U.S. Department of Energy, Office of Science, Office of
Biological and Environmental Resources [DE-AC02-05CH11231]
FX We would like to thank John Doherty for making the PEST protocol and
related parsing routines publicly available, and to Nicolas Spycher for
his review of the manuscript and for providing the TOUGHREACT simulation
for the analysis in Section 3.1. We very much appreciate the thoughtful
and constructive comments of the three anonymous reviewers. This work
was supported, in part, by the Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of Wind and Geothermal Technologies, of the
U.S. Department of Energy, and as part of the Subsurface Science
Scientific Focus Area funded by the U.S. Department of Energy, Office of
Science, Office of Biological and Environmental Resources under Award
Number DE-AC02-05CH11231.
NR 51
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U1 0
U2 7
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1364-8152
J9 ENVIRON MODELL SOFTW
JI Environ. Modell. Softw.
PD JUL
PY 2011
VL 26
IS 7
BP 959
EP 968
DI 10.1016/j.envsoft.2011.02.008
PG 10
WC Computer Science, Interdisciplinary Applications; Engineering,
Environmental; Environmental Sciences
SC Computer Science; Engineering; Environmental Sciences & Ecology
GA 759ZT
UT WOS:000290291100011
ER
PT J
AU Standart, GD
Stulken, KR
Zhang, X
Zong, ZL
AF Standart, G. D.
Stulken, K. R.
Zhang, X.
Zong, Z. L.
TI Geospatial visualization of global satellite images with Vis-EROS
SO ENVIRONMENTAL MODELLING & SOFTWARE
LA English
DT Article
DE Geo-visualization; Spatial data; Satellite images; Google Earth; USGS
EROS
AB Geospatial data visualization is significantly changing the way we view spatial data and discover information. On the one hand, a large number of spatial data, which carry extremely valuable information, are generated on daily basis. On the other hand, these data are not well utilized due to the lack of free and easily used data visualization tools. This paper describes a way of visualizing massive spatial data at no cost by utilizing publically available visualization tools like Google Earth. We illustrate our methods by visualizing a million global download requests for satellite images maintained by the Earth Resources Observation and Science (EROS) Center of U.S. Geological Survey (USGS). (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Standart, G. D.; Stulken, K. R.; Zong, Z. L.] S Dakota Sch Mines & Technol, Dept Math & Comp Sci, Rapid City, SD 57701 USA.
[Zhang, X.] Pacific NW Natl Lab, Joint Global Change Res Inst, Richland, WA 99352 USA.
RP Zong, ZL (reprint author), S Dakota Sch Mines & Technol, Dept Math & Comp Sci, Rapid City, SD 57701 USA.
EM ziliang.zong@sdsmt.edu
RI zhang, xuesong/B-7907-2009
FU Earth Resources Observation and Science (EROS) Center of USGS; U.S.
National Science Foundation (NSF) [CNS-0915762]; Nelson Research Grant
FX The authors sincerely appreciate the comments and feedbacks from the
reviewers and editors. Their valuable discussions and thoughts have
tremendously helped in improving the quality of this paper. The authors
also gratefully acknowledge the support from the Earth Resources
Observation and Science (EROS) Center of USGS. The work reported in this
paper was supported by the U.S. National Science Foundation (NSF) under
Grants No. CNS-0915762 and the Nelson Research Grant.
NR 6
TC 6
Z9 6
U1 0
U2 4
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1364-8152
J9 ENVIRON MODELL SOFTW
JI Environ. Modell. Softw.
PD JUL
PY 2011
VL 26
IS 7
BP 980
EP 982
DI 10.1016/j.envsoft.2011.02.012
PG 3
WC Computer Science, Interdisciplinary Applications; Engineering,
Environmental; Environmental Sciences
SC Computer Science; Engineering; Environmental Sciences & Ecology
GA 759ZT
UT WOS:000290291100014
ER
PT J
AU Alleman, TL
Fouts, L
McCormick, RL
AF Alleman, Teresa L.
Fouts, Lisa
McCormick, Robert L.
TI Quality analysis of wintertime B6-B20 biodiesel blend samples collected
in the United States
SO FUEL PROCESSING TECHNOLOGY
LA English
DT Article
DE Biodiesel blend; B20; Quality
ID STORAGE STABILITY
AB A survey of the quality of biodiesel blends in the United States was conducted in the winter of 2009-2010. Forty samples were collected in the study; two-thirds of the samples collected were from areas with a 10th percentile minimum ambient temperature below - 12 degrees C. Fuel properties were measured and compared to the relevant ASTM D7467-09 specification properties. The B6-B20 study shows increased compliance with the blend level requirements to 72.5% of samples tested, with a cold state average biodiesel content of 12% and a warm state average biodiesel content of 19%. The decreased biodiesel content in cold states is likely to due to deliberate reductions to meet the cloud point expectations. Continuing problems were noted with induction period stability for B6-B20 blends, with a failure rate of 24%. Samples collected from cold weather states had a failure rate of only 18%, likely because of the reduced biodiesel content; the failure rate from warm weather states rose to 57%. Samples failed the induction period stability specification before the acid value increased to the point of failure and no acid value failures were recorded. No failures were observed water and sediment. A single failure was noted for flash point, likely due to external contamination during fuel handling. Cloud point and cold filter plugging points are reported. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Alleman, Teresa L.; Fouts, Lisa; McCormick, Robert L.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Alleman, TL (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd,MS1634, Golden, CO 80401 USA.
EM Teresa.Alleman@nrel.gov
RI Alleman, Teresa/F-6281-2011; McCormick, Robert/B-7928-2011
FU U.S. Department of Energy (DOE)
FX The authors are supported by the U.S. Department of Energy (DOE) Vehicle
Technologies Program. The authors also thank BP and GM for providing
in-kind testing support for this project.
NR 19
TC 15
Z9 15
U1 0
U2 6
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 JUL
PY 2011
VL 92
IS 7
BP 1297
EP 1304
DI 10.1016/j.fuproc.2011.02.004
PG 8
WC Chemistry, Applied; Energy & Fuels; Engineering, Chemical
SC Chemistry; Energy & Fuels; Engineering
GA 773IO
UT WOS:000291300400004
ER
PT J
AU Mortensen, NP
Fowlkes, JD
Maggart, M
Doktycz, MJ
Nataro, JP
Drusano, G
Allison, DP
AF Mortensen, Ninell P.
Fowlkes, Jason D.
Maggart, Michael
Doktycz, Mitchel J.
Nataro, James P.
Drusano, George
Allison, David P.
TI Effects of sub-minimum inhibitory concentrations of ciprofloxacin on
enteroaggregative Escherichia coli and the role of the surface protein
dispersin
SO INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
LA English
DT Article
DE Ciprofloxacin; MIC; Sub-MIC antimicrobial effects; Enteroaggregative
Escherichia coli; Dispersin
ID BACTERIAL ADHESION; HEP-2 CELLS; SUBINHIBITORY CONCENTRATIONS;
PSEUDOMONAS-AERUGINOSA; INVITRO ACTIVITY; ADHERENCE; HYDROPHOBICITY;
SUSCEPTIBILITY; RESISTANCE; DIARRHEA
AB Enteroaggregative Escherichia coli (EAEC) are bacterial pathogens that cause watery diarrhoea, which is often persistent and can be inflammatory. The antibiotic ciprofloxacin is used to treat EAEC infections, but a full understanding of the antimicrobial effects of ciprofloxacin is needed for more efficient treatment of bacterial infections. In this study, it was found that sub-minimum inhibitory concentrations (sub-MICs) of ciprofloxacin had an inhibitory effect on EAEC adhesion to glass and mammalian HEp-2 cells. It was also observed that bacterial surface properties play an important role in bacterial sensitivity to ciprofloxacin. In an EAEC mutant strain where the hydrophobic positively charged surface protein dispersin was absent, sensitivity to ciprofloxacin was reduced compared with the wild-type strain. Identified here are several antimicrobial effects of ciprofloxacin at sub-MIC concentrations indicating that bacterial surface hydrophobicity affects the response to ciprofloxacin. Investigating the effects of sub-MIC doses of antibiotics on targeted bacteria could help to further our understanding of bacterial pathogenicity and elucidate future antibiotic treatment modalities. (C) 2011 Elsevier B.V. and the International Society of Chemotherapy. All rights reserved.
C1 [Mortensen, Ninell P.; Maggart, Michael; Doktycz, Mitchel J.; Allison, David P.] Oak Ridge Natl Lab, Biosci Div, Biol & Nanoscale Syst Grp, Oak Ridge, TN 37831 USA.
[Fowlkes, Jason D.; Doktycz, Mitchel J.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Nataro, James P.] Univ Virginia, Sch Med, Dept Pediat, Charlottesville, VA 22908 USA.
[Drusano, George] Ordway Res Inst, Emerging Infect & Pharmacodynam Lab, Albany, NY 12208 USA.
[Allison, David P.] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37932 USA.
RP Mortensen, NP (reprint author), Oak Ridge Natl Lab, Biosci Div, Biol & Nanoscale Syst Grp, POB 2008,Bldg 1061,MS 6445, Oak Ridge, TN 37831 USA.
EM mortensennp@ornl.gov
RI Doktycz, Mitchel/A-7499-2011
OI Doktycz, Mitchel/0000-0003-4856-8343
FU US Department of Energy (DoE) Office of Biological and Environmental
Sciences; US DoE [DEAC05-00OR22725]; Lundbeckfonden (Denmark)
FX The authors acknowledge research support from the US Department of
Energy (DoE) Office of Biological and Environmental Sciences. Oak Ridge
National Laboratory is managed by UT-Battelle, LLC, for the US DoE under
Contract no. DEAC05-00OR22725. NPM would like to thank Lundbeckfonden
(Denmark) for financial support.
NR 40
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U1 0
U2 5
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0924-8579
J9 INT J ANTIMICROB AG
JI Int. J. Antimicrob. Agents
PD JUL
PY 2011
VL 38
IS 1
BP 27
EP 34
DI 10.1016/j.ijantimicag.2011.03.011
PG 8
WC Infectious Diseases; Microbiology; Pharmacology & Pharmacy
SC Infectious Diseases; Microbiology; Pharmacology & Pharmacy
GA 772AU
UT WOS:000291202600005
PM 21570813
ER
PT J
AU Long, KN
Scott, TF
Dunn, ML
Qi, HJ
AF Long, Kevin N.
Scott, Timothy F.
Dunn, Martin L.
Qi, H. Jerry
TI Photo-induced deformation of active polymer films: Single spot
irradiation
SO INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
LA English
DT Article
DE Light activated polymers; Soft active materials; Surface patterning;
Surface buckling
ID SHAPE-MEMORY POLYMERS; CROSS-LINKED POLYMERS; LIGHT; HYDROGELS;
BEHAVIOR; GELS
AB Light-activated polymers can undergo complex deformation in response to the combination of mechanical and optical stimuli. These materials are attractive for remote actuation and sensing applications. However, the behavior of such materials subjected to photomechanical patterning is not well understood. In this paper we consider a polymer that operates by photoactivated stress relaxation: at the molecular level, photoinitiation of residual initiator molecules generate free radicals that break and then reform in-chain functionalities of stretched chains in an elastomeric network, which results in macroscopic stress relaxation. We carry out experiments and finite element calculations that demonstrate the sequence of deformation events culminating in the formation of a buckled spot as a result of biaxially stretching the elastomeric film then irradiating a circular region followed by releasing the mechanical constraint. In order to better understand the photomechanics, we analyze a simpler model problem wherein a linear elastic, stress relaxing disk is subjected to (i) radial extension, (ii) irradiation of a concentric circular region, and (iii) release of the applied displacements in (i), which results in deformation and stress redistribution. In the final step, the deformation may transition from planar to buckling out of the plane depending on system parameters. Companion finite element calculations are performed against which our analytical results are in good agreement. Although not directly comparable, the analytic model qualitatively agrees with the experiments. The results of this work provide a useful foundation from which to explore more interesting behavior of periodically photo-mechanically patterned films and other more challenging actuation problems. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Long, Kevin N.; Scott, Timothy F.; Dunn, Martin L.; Qi, H. Jerry] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
[Long, Kevin N.] Sandia Natl Labs, Computat Solid Mech Dept, Albuquerque, NM 87185 USA.
RP Qi, HJ (reprint author), Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
EM qih@colorado.edu
RI Qi, H. Jerry/C-1588-2009;
OI DUNN, MARTIN/0000-0002-4531-9176
FU Sandia National Laboratories [LDRD 11-1001]; NSF [ID 2007056220,
CMMI-0645219]; AFOSR [FA9550-09-1-0195]; United States Department of
Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
FX We gratefully acknowledge the support of Sandia National Laboratories
(LDRD 11-1001) and the NSF Graduate Research Fellowship for K.N.L. (ID
2007056220), an NSF career award (CMMI-0645219) to H.J.Q., and an AFOSR
grant (FA9550-09-1-0195) to M.L.D. and H.J.Q. 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 32
TC 21
Z9 23
U1 8
U2 54
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 JUL
PY 2011
VL 48
IS 14-15
BP 2089
EP 2101
DI 10.1016/j.ijsolstr.2011.02.027
PG 13
WC Mechanics
SC Mechanics
GA 771WJ
UT WOS:000291191100001
ER
PT J
AU Lee, DW
Powell, J
Perajarvi, K
Guo, FQ
Moltz, DM
Cerny, J
AF Lee, D. W.
Powell, J.
Peraejaervi, K.
Guo, F. Q.
Moltz, D. M.
Cerny, Joseph
TI Study of the C-11(p, gamma) reaction via the indirect d(C-11, N-12)n
transfer reaction
SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
LA English
DT Article
ID ASYMPTOTIC NORMALIZATION COEFFICIENTS; ASTROPHYSICAL S-FACTOR; DIRECT
CAPTURE; DEUTERON; NUCLEI; BEAM; C-11(P,GAMMA)N-12; SCATTERING; RATES;
STARS
AB The C-11(p, gamma)N-12 reaction is expected to be an important branch point in supermassive low-metallicity stars because it could produce CNO seed nuclei before the traditional triple-alpha process turns on. In this work, the d(C-11, N-12)n transfer reaction was employed to evaluate this reaction using a radioactive ion beam of 150MeV C-11 with 6 x 10(5) ions s(-1) on target from the BEARS project at the 88 inch cyclotron at the Lawrence Berkeley National Laboratory. Excellent agreement was obtained between the experimental cross sections (theta(c.m.) = 10.9-71.5 degrees.) and DWBA calculations. The asymptotic normalization coefficient was deduced to be (C-eff(12N))(2) = (C-p1/2(12N))(2) + (C-p3/2(12N))(2) = 1.83 +/- 0.27 fm(-1).
C1 [Lee, D. W.; Powell, J.; Peraejaervi, K.; Guo, F. Q.; Cerny, Joseph] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
[Moltz, D. M.; Cerny, Joseph] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Lee, DW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM dmmoltz@highdesertnuclear.com; jcerny@berkeley.edu
RI Lee, Dongwon/F-8675-2012
OI Lee, Dongwon/0000-0003-3133-5199
FU US Department of Energy, Office of Nuclear Physics [DE-AC03-76SF00098]
FX This work was supported by the US Department of Energy, Office of
Nuclear Physics, under contract no DE-AC03-76SF00098. We thank Professor
David K Geiger of the State University of New York at Geneseo for
providing the CD2 target.
NR 33
TC 4
Z9 4
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0954-3899
J9 J PHYS G NUCL PARTIC
JI J. Phys. G-Nucl. Part. Phys.
PD JUL
PY 2011
VL 38
IS 7
AR 075201
DI 10.1088/0954-3899/38/7/075201
PG 10
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 773YH
UT WOS:000291347500006
ER
PT J
AU Milhans, J
Li, DS
Khaleel, M
Sun, X
Al-Haik, MS
Harris, A
Garmestani, H
AF Milhans, J.
Li, D. S.
Khaleel, M.
Sun, X.
Al-Haik, Marwan S.
Harris, Adrian
Garmestani, H.
TI Mechanical properties of solid oxide fuel cell glass-ceramic seal at
high temperatures
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Nanoindentation; Creep; Glass-ceramic; High-temperature
ID NANOINDENTATION CREEP; RESISTANT ALLOYS; ELASTIC-MODULUS; INDENTATION;
BEHAVIOR; INTERCONNECT; POLYMERS; SILICA; RANGE; LOAD
AB Mechanical properties of solid oxide fuel cell glass-ceramic seal material. G18, are studied at high temperatures. Samples of G18 are aged for either 4h or 100 h, resulting in samples with different crystallinity. Reduced modulus, hardness, and time-dependent behavior are measured by nanoindentation. The nanoindentation is performed at room temperature, 550, 650, and 750 degrees C, using loading rates of 5 mN s(-1) and 25 mN s(-1). Results show a decrease in reduced modulus with increasing temperature, with significant decrease above the glass transition temperature. Hardness generally decreases with increasing temperature, with a slight increase before Tg for the 4 h-aged sample. Dwell tests show that creep increases with increasing temperature, but decrease with further aging. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Milhans, J.; Garmestani, H.] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
[Li, D. S.; Khaleel, M.; Sun, X.] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99354 USA.
[Al-Haik, Marwan S.] Virginia Polytech Inst & State Univ, Dept Engn Sci & Mech, Blacksburg, VA 24061 USA.
[Harris, Adrian] Micro Mat Ltd, Unit 3, Wrexham LL13 7YP, Wales.
RP Milhans, J (reprint author), Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
EM jmilhans@gatech.edu
RI Al-Haik, Marwan/L-7732-2014;
OI Al-Haik, Marwan/0000-0001-7465-0274; khaleel,
mohammad/0000-0001-7048-0749
FU United States Department of Energy [DE-AC06-76RL01830]; U.S. Department
of Energy's National Energy Technology Laboratory (NETL); Boeing
Fellowship
FX The Pacific Northwest National Laboratory is operated by Battelle
Memorial Institute for the United States Department of Energy under
Contract DE-AC06-76RL01830. The work summarized in this report was
funded as part of the Solid-State Energy Conversion Alliance (SECA) Core
Technology Program by the U.S. Department of Energy's National Energy
Technology Laboratory (NETL). Funding was additionally provided by the
Boeing Fellowship.
NR 19
TC 17
Z9 17
U1 0
U2 24
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 JUL 1
PY 2011
VL 196
IS 13
SI SI
BP 5599
EP 5603
DI 10.1016/j.jpowsour.2011.02.033
PG 5
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 771GA
UT WOS:000291144000030
ER
PT J
AU Xiao, J
Hu, JZ
Wang, DY
Hu, DH
Xu, W
Graff, GL
Nie, ZM
Liu, J
Zhang, JG
AF Xiao, Jie
Hu, Jianzhi
Wang, Deyu
Hu, Dehong
Xu, Wu
Graff, Gordon L.
Nie, Zimin
Liu, Jun
Zhang, Ji-Guang
TI Investigation of the rechargeability of Li-O-2 batteries in non-aqueous
electrolyte
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Li-air batteries; Carbon air electrode; Oxygen diffusion; Energy storage
ID LI-AIR BATTERIES; LITHIUM/AIR BATTERIES; LI/AIR BATTERIES;
LITHIUM/OXYGEN BATTERY; POLYMER ELECTROLYTE; OPTIMIZATION; PERFORMANCE
AB To understand the limited cycle life performance and poor energy efficiency associated with rechargeable lithium-oxygen (Li-O-2) batteries, the discharge products of primary Li-O-2 cells at different depths of discharge (DOD) were systematically analyzed using XRD, FTIR and Ultra-high field MAS NMR. When discharged to 2.0V, the reaction products of Li-O-2 cells include a small amount of Li2O2 along with Li2CO3 and RO-(C=O)-OLi in the alkyl carbonate-based electrolyte. However, regardless of the DOD, there is no Li2O detected in the discharge products in the alkyl-carbonate electrolyte. For the first time it was revealed that in an oxygen atmosphere the high surface area carbon significantly reduces the electrochemical operation window of the electrolyte, and leads to plating of insoluble Li salts on the electrode at the end of the charging process. Therefore, the impedance of the Li-O-2 cell continues to increase after each discharge and recharge process. After only a few cycles, the carbon air electrode is completely insulated by the accumulated Li salt terminating the cycling. Published by Elsevier B.V.
C1 [Xiao, Jie; Hu, Jianzhi; Wang, Deyu; Hu, Dehong; Xu, Wu; Graff, Gordon L.; Nie, Zimin; Liu, Jun; Zhang, Ji-Guang] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
RP Xiao, J (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
EM jie.xiao@pnl.gov; jigunag.zhang@pnl.gov
RI Hu, Jian Zhi/F-7126-2012; Hu, Dehong/B-4650-2010; Deyu, Wang/J-9496-2014
OI Hu, Dehong/0000-0002-3974-2963;
FU Pacific Northwest National Laboratory
FX This work was supported by the Laboratory Directed Research and
Development Program at Pacific Northwest National Laboratory, which is a
multiprogram national laboratory operated by Battelle for the U.S.
Department of Energy. We acknowledge Ms. Mary Hu and Dr. Ja Hun Kwak for
their assistance with the NMR experiments and data analysis.
NR 23
TC 145
Z9 150
U1 7
U2 147
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 JUL 1
PY 2011
VL 196
IS 13
SI SI
BP 5674
EP 5678
DI 10.1016/j.jpowsour.2011.02.060
PG 5
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 771GA
UT WOS:000291144000041
ER
PT J
AU Bailey, DH
Borwein, JM
AF Bailey, D. H.
Borwein, J. M.
TI High-precision numerical integration: Progress and challenges
SO JOURNAL OF SYMBOLIC COMPUTATION
LA English
DT Article
DE Quadrature; Numerical integration; High-precision arithmetic; Quantum
field theory; Ising theory
ID ISING-CLASS
AB One of the most fruitful advances in the field of experimental mathematics has been the development of practical methods for very high-precision numerical integration, a quest initiated by Keith Geddes and other researchers in the 1980s and 19905. These techniques, when coupled with equally powerful integer relation detection methods, have resulted in the analytic evaluation of many integrals that previously were beyond the realm of symbolic techniques. This paper presents a survey of the current state-of-the-art in this area (including results by the present authors and others), mentions some new results, and then sketches what challenges lie ahead. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Bailey, D. H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Borwein, J. M.] Univ Newcastle, Sch Math & Phys Sci, Callaghan, NSW 2308, Australia.
[Borwein, J. M.] Dalhousie Univ, Fac Comp Sci, Halifax, NS B3H 2W5, Canada.
RP Bailey, DH (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM dhbailey@lbl.gov; jborwein@cs.dal.ca
OI Borwein, Jonathan/0000-0002-1263-0646
FU Office of Computational and Technology Research, Division of
Mathematical, Information, and Computational Sciences of the U.S.
Department of Energy [DE-AC02-05CH11231]; NSERC; Canada Research Chair
FX The first author is supported in part by the Director, Office of
Computational and Technology Research, Division of Mathematical,
Information, and Computational Sciences of the U.S. Department of
Energy, under contract number DE-AC02-05CH11231. The second author is
supported in part by NSERC and the Canada Research Chair Programme.
NR 26
TC 8
Z9 8
U1 0
U2 2
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0747-7171
J9 J SYMB COMPUT
JI J. Symb. Comput.
PD JUL
PY 2011
VL 46
IS 7
SI SI
BP 741
EP 754
DI 10.1016/j.jsc.2010.08.010
PG 14
WC Computer Science, Theory & Methods; Mathematics, Applied
SC Computer Science; Mathematics
GA 771AX
UT WOS:000291130700002
ER
PT J
AU Shvartsburg, AA
Isaac, G
Leveque, N
Smith, RD
Metz, TO
AF Shvartsburg, Alexandre A.
Isaac, Giorgis
Leveque, Nathalie
Smith, Richard D.
Metz, Thomas O.
TI Separation and Classification of Lipids Using Differential Ion Mobility
Spectrometry
SO JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
LA English
DT Article
DE Ion mobility spectrometry (IMS); Differential IMS (FAIMS); Lipid
analyses; Isomer separation
ID GAS-PHASE SEPARATIONS; MASS-SPECTROMETRY; STRUCTURAL-CHARACTERIZATION;
BIOLOGICAL SAMPLES; PEAK-CAPACITY; FAIMS-MS; PEPTIDES; FIELD;
PHOSPHOLIPIDS; LIPIDOMICS
AB Correlations between the dimensions of a 2-D separation create trend lines that depend on structural or chemical characteristics of the compound class and thus facilitate classification of unknowns. This broadly applies to conventional ion mobility spectrometry (IMS)/mass spectrometry (MS), where the major biomolecular classes (e.g., lipids, peptides, nucleotides) occupy different trend line domains. However, strong correlation between the IMS and MS separations for ions of same charge has impeded finer distinctions. Differential IMS (or FAIMS) is generally less correlated to MS and thus could separate those domains better. We report the first observation of chemical class separation by trend lines using FAIMS, here for lipids. For lipids, FAIMS is indeed more independent of MS than conventional IMS, and subclasses (such as phospho-, glycero-, or sphingolipids) form distinct, often non-overlapping domains. Even finer categories with different functional groups or degrees of unsaturation are often separated. As expected, resolution improves in He-rich gases: at 70% He, glycerolipid isomers with different fatty acid positions can be resolved. These results open the door for application of FAIMS to lipids, particularly in shotgun lipidomics and targeted analyses of bioactive lipids.
C1 [Shvartsburg, Alexandre A.; Isaac, Giorgis; Smith, Richard D.; Metz, Thomas O.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Leveque, Nathalie] Univ Paris 11, LETIAM, Orsay, France.
RP Shvartsburg, AA (reprint author), Pacific NW Natl Lab, Div Biol Sci, POB 999, Richland, WA 99352 USA.
EM alexandre.shvartsburg@pnl.gov
RI Smith, Richard/J-3664-2012;
OI Smith, Richard/0000-0002-2381-2349; Metz, Tom/0000-0001-6049-3968
FU NIH NCRR [RR 18522]; NIH [DK071283]; NIAID [U54AI081680]; US DoE OBER
FX The authors thank Rui Zhao and Dr. Keqi Tang for experimental help, and
Professor John A. McLean for discussions. The authors acknowledge that
parts of this research were supported by NIH NCRR (RR 18522), NIH grant
DK071283, and NIAID Award U54AI081680. The content of this paper is
solely the responsibility of the authors and does not necessarily
represent the official views of the NIAID or NIH. The work was performed
in the Environmental Molecular Sciences Laboratory, a scientific user
facility at PNNL supported by the US DoE OBER.
NR 54
TC 41
Z9 41
U1 3
U2 56
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 JUL
PY 2011
VL 22
IS 7
BP 1146
EP 1155
DI 10.1007/s13361-011-0114-z
PG 10
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry,
Physical; Spectroscopy
SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy
GA 772SW
UT WOS:000291257400005
PM 21953096
ER
PT J
AU ElNaggar, MS
Barbier, C
Van Berkel, GJ
AF ElNaggar, Mariam S.
Barbier, Charlotte
Van Berkel, Gary J.
TI Liquid Microjunction Surface Sampling Probe Fluid Dynamics:
Computational and Experimental Analysis of Coaxial Intercapillary
Positioning Effects on Sample Manipulation
SO JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
LA English
DT Article
DE Surface sampling probe; Fluid dynamics; Mass spectrometry; Electrospray
ionization; Surface sampling
ID MASS-SPECTROMETRY SYSTEM; THIN-LAYER-CHROMATOGRAPHY; BAYONET TUBE;
DEVICE
AB A coaxial geometry liquid microjunction surface sampling probe (LMJ-SSP) enables direct extraction of analytes from surfaces for subsequent analysis by techniques like mass spectrometry. Solution dynamics at the probe-to-sample surface interface in the LMJ-SSP has been suspected to influence sampling efficiency and dispersion but has not been rigorously investigated. The effect on flow dynamics and analyte transport to the mass spectrometer caused by coaxial retraction of the inner and outer capillaries from each other and the surface during sampling with a LMJ-SSP was investigated using computational fluid dynamics and experimentation. A transparent LMJ-SSP was constructed to provide the means for visual observation of the dynamics of the surface sampling process. Visual observation, computational fluid dynamics (CFD) analysis, and experimental results revealed that inner capillary axial retraction from the flush position relative to the outer capillary transitioned the probe from a continuous sampling and injection mode through an intermediate regime to sample plug formation mode caused by eddy currents at the sampling end of the probe. The potential for analytical implementation of these newly discovered probe operational modes is discussed.
C1 [ElNaggar, Mariam S.; Van Berkel, Gary J.] Oak Ridge Natl Lab, Div Chem Sci, Organ & Biol Mass Spectrometry Grp, Oak Ridge, TN 37831 USA.
[Barbier, Charlotte] Oak Ridge Natl Lab, Computat Sci & Engn Div, Modeling & Simulat Grp, Oak Ridge, TN 37831 USA.
RP Van Berkel, GJ (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Organ & Biol Mass Spectrometry Grp, Oak Ridge, TN 37831 USA.
EM vanberkelgj@ornl.gov
RI ElNaggar, Mariam/H-3669-2016;
OI ElNaggar, Mariam/0000-0001-9259-0148; Barbier,
Charlotte/0000-0003-2752-0148
FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, United States Department of Energy; U.S.
Department of Energy [DE-AC05-00OR22725]
FX Dr. Vilmos Kertesz (ORNL) is thanked for critical review of this
manuscript. The authors acknowledge support for this work by the
Division of Chemical Sciences, Geosciences, and Biosciences, Office of
Basic Energy Sciences, United States Department of Energy. ORNL is
managed by UT-Battelle, LLC for the U.S. Department of Energy under
contract DE-AC05-00OR22725.
NR 19
TC 5
Z9 5
U1 1
U2 19
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 JUL
PY 2011
VL 22
IS 7
BP 1157
EP 1166
DI 10.1007/s13361-011-0145-5
PG 10
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry,
Physical; Spectroscopy
SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy
GA 772SW
UT WOS:000291257400006
PM 21953098
ER
PT J
AU Liu, X
Tseng, SC
Tripathi, R
Heifetz, A
Krishnamurthy, S
Shahriar, MS
AF Liu, Xue
Tseng, Shih C.
Tripathi, Renu
Heifetz, Alexander
Krishnamurthy, Subramanian
Shahriar, M. S.
TI White light interferometric detection of unpolarized light for complete
Stokesmetric optical coherence tomography
SO OPTICS COMMUNICATIONS
LA English
DT Article
DE Optical coherence tomography; Polarization sensitive; Mueller matrix;
Interferometric detection
ID BIOLOGICAL TISSUE; BIREFRINGENCE CHARACTERIZATION
AB Optical coherence tomography (OCT) relies on interference between a polarized reference and the target reflection. Thus, it has generally been impossible to detect any unpolarized part in the signal. Here, we demonstrate a scheme that overcomes this limitation. Using a combination of heterodyning and filtering, we realize a polarization-sensitive OCT system capable of measuring the full Stokes vector, including the depolarized part. Based on such a system, we perform full Stokesmetric imaging of different layers in a porcine tendon sample. The complete 4 x 4 backscattering Muellermetric images of one layer are acquired and investigated. (c) 2011 Elsevier B.V. All rights reserved.
C1 [Liu, Xue; Tseng, Shih C.; Tripathi, Renu; Heifetz, Alexander; Krishnamurthy, Subramanian; Shahriar, M. S.] Northwestern Univ, Dept Elect Engn & Comp Sci, Evanston, IL 60208 USA.
[Shahriar, M. S.] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA.
[Tripathi, Renu] Delaware State Univ, Dept Phys & Preengn, CREOSA, Dover, DE 19901 USA.
[Heifetz, Alexander] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA.
RP Liu, X (reprint author), Northwestern Univ, Dept Elect Engn & Comp Sci, Evanston, IL 60208 USA.
EM xueliu2012@u.northwestern.edu
FU AFOSR [FA9550-06-1-0466]; NASA [NNX09AU90A]; DOE [DE-AC02-06CH11357];
NSF [0630388]
FX This work is supported in part by AFOSR grant #FA9550-06-1-0466, NASA
Grant #NNX09AU90A, DOE grant #DE-AC02-06CH11357 and NSF Crest grant
#0630388.
NR 20
TC 4
Z9 6
U1 1
U2 6
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0030-4018
J9 OPT COMMUN
JI Opt. Commun.
PD JUL 1
PY 2011
VL 284
IS 14
BP 3497
EP 3503
DI 10.1016/j.optcom.2011.03.054
PG 7
WC Optics
SC Optics
GA 771RV
UT WOS:000291179300002
ER
PT J
AU Chen, TL
Chen, JJA
Catane, L
Ma, BW
AF Chen, Teresa L.
Chen, John Jun-An
Catane, Luis
Ma, Biwu
TI Fully solution processed p-i-n organic solar cells with an industrial
pigment - Quinacridone
SO ORGANIC ELECTRONICS
LA English
DT Article
DE Organic solar cells; Industrial pigment; Quinacridone; p-i-n; Solution
processing; Thermal treatment
ID PHOTOVOLTAIC CELLS; LATENT PIGMENTS; SMALL-MOLECULE;
DIKETOPYRROLOPYRROLE; EFFICIENCY; DEVICES; OXIDE; FILM
AB We report solution processed organic solar cells with quinacridone (QA), an industrial pigment, as the electron donor. Applying simple spin casting and thermal annealing, trilayer devices with a pure donor (p) layer, a bulk heterojunction (i) layer, and a pure acceptor (n) layer have been fabricated. Tert-butoxycarbonyl quinacridone (t-BOC QA), a soluble yellow precursor of industrial red pigment of quinacridone, was synthesized by replacing the H atom of the NH group on QA with a t-BOC group. Uniform thin films were prepared by spin casting t-BOC QA solutions, which could be converted into insoluble thin films by thermal treatment to remove the solubilizing groups. This conversion allowed for the subsequent depositions of multiple layers without the use of orthogonal solvents. The p-i-n devices showed much higher device performance than their bilayer and simple bulk heterojunction counterparts, exhibiting power conversion efficiencies (PCEs) as high as 0.83%. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Chen, Teresa L.; Chen, John Jun-An; Catane, Luis; Ma, Biwu] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Ma, BW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
EM BWMa@lbl.gov
RI Ma, Biwu/B-6943-2012
FU Office of Science, Office of Basic Energy Sciences, Scientific User
Facilities Division, of the US Department of Energy [DE-AC02-05CH11231]
FX This work was 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 US
Department of Energy under Contract No. DE-AC02-05CH11231.
NR 31
TC 23
Z9 23
U1 2
U2 42
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1566-1199
J9 ORG ELECTRON
JI Org. Electron.
PD JUL
PY 2011
VL 12
IS 7
BP 1126
EP 1131
DI 10.1016/j.orgel.2011.03.039
PG 6
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 771ZY
UT WOS:000291200400005
ER
PT J
AU Ferreira, SR
Davis, RJ
Lee, YJ
Lu, P
Hsu, JWP
AF Ferreira, Summer R.
Davis, Robert J.
Lee, Yun-ju
Lu, Ping
Hsu, Julia W. P.
TI Effect of device architecture on hybrid zinc oxide nanoparticle: poly
(3-hexylthiophene) blend solar cell performance and stability
SO ORGANIC ELECTRONICS
LA English
DT Article
DE Solar cell; Morphology; Hybrid; ZnO; P3HT
ID OPEN-CIRCUIT VOLTAGE; PHOTOVOLTAIC DEVICES; CONJUGATED POLYMER; ZNO
NANOPARTICLES; MORPHOLOGY
AB Hybrid zinc oxide nanoparticle (ZnO np):poly(3-hexylthiophene) (P3HT) photovoltaic devices with a blend morphology in the active layer show up to a ninefold improvement in device efficiency above devices with a planar donor-acceptor interface. However, blend devices in a conventional architecture have very poor stability upon white light exposure. Blend devices in an inverted architecture have not been previously achieved because the commercially available poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) hole transport layer etches the ZnO when PEDOT:PSS is deposited on top of the ZnO np:P3HT blend. Here we report the successful demonstration of an inverted ZnO np:P3HT blend solar cells that is made possible through the use of a pH neutralized PEDOT: PSS hole transport layer, and show how the inverted device architecture leads to greatly improved device stability under white light exposure. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Ferreira, Summer R.; Davis, Robert J.; Lee, Yun-ju; Lu, Ping; Hsu, Julia W. P.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Ferreira, SR (reprint author), Sandia Natl Labs, POB 5800,MS-1415, Albuquerque, NM 87185 USA.
EM srferre@sandia.gov
FU Sandia LDRD; United States Department of Energy [DE-AC04-94AL85000]
FX We thank Nelson Bell for discussions and assistance with the
nanoparticle synthesis. This work was supported by Sandia LDRD program.
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 36
TC 14
Z9 14
U1 0
U2 15
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1566-1199
J9 ORG ELECTRON
JI Org. Electron.
PD JUL
PY 2011
VL 12
IS 7
BP 1258
EP 1263
DI 10.1016/j.orgel.2011.04.008
PG 6
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 771ZY
UT WOS:000291200400026
ER
PT J
AU Jiang, H
Kang, DW
Xie, SJ
Saxena, A
AF Jiang, Hong
Kang, Dawei
Xie, Shijie
Saxena, Avadh
TI Effect of spin-flip scattering on current polarization in an organic
spin filter
SO ORGANIC ELECTRONICS
LA English
DT Article
DE Spin filter; Spin-flip; Organic spintronics
ID MAGNETORESISTANCE; VALVE
AB We studied the effect of spin-flip scattering to understand the spin-dependent quantum transport properties through an organic spin filter. We found that the electronic orbitals of the organic polymer are spin-mixed when the spin-flip scattering is included. The Peierls energy gap is reduced due to the spin-flip effect, which is a peculiar property of the organic ferromagnetic polymer. An analysis based on the extended Landauer-Buttiker formula shows that the spin polarization of the current through the spin filter decreases with the spin-flip scattering. However, the device keeps the spin filter function intact even when a considerable spin-flip scattering is included. We also discuss the competing effects of spin-flip scattering and ferromagnetism of the organic interlayer on the spin filter. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Jiang, Hong; Kang, Dawei; Xie, Shijie] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.
[Jiang, Hong; Kang, Dawei; Xie, Shijie] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China.
[Saxena, Avadh] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Xie, SJ (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.
EM xsj@sdu.edu.cn; avadh@lanl.gov
RI Jiang, Hong/E-1060-2011
FU National Basic Research Program of China [2009CB929204, 2010CB923402];
National Natural Science Foundation of the People's Republic of China
[10874100]; US Department of Energy
FX The authors would like to acknowledge the financial support from the
National Basic Research Program of China (Grant Nos. 2009CB929204 and
2010CB923402) and the National Natural Science Foundation of the
People's Republic of China (Grant No. 10874100). This work was supported
in part by the US Department of Energy.
NR 36
TC 2
Z9 5
U1 2
U2 17
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1566-1199
J9 ORG ELECTRON
JI Org. Electron.
PD JUL
PY 2011
VL 12
IS 7
BP 1264
EP 1270
DI 10.1016/j.orgel.2011.04.009
PG 7
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 771ZY
UT WOS:000291200400027
ER
PT J
AU Velasco, M
Van Swygenhoven, H
Brandl, C
AF Velasco, M.
Van Swygenhoven, H.
Brandl, C.
TI Coupled grain boundary motion in a nanocrystalline grain boundary
network
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Molecular dynamics; Dislocations; Plasticity; Nanocrystalline; Grain
boundary
ID MIGRATION; AL; DEFORMATION
AB Coupled grain boundary motion was simulated in a three-dimensional nanocrystalline Al grain boundary network using molecular dynamics. It is shown that, in spite of the triple junction constraints, a symmetrical Sigma 75 tilt boundary can migrate during the microplastic regime with the same coupling factor as when simulated in a bicrystal configuration. After reaching the full plastic regime, dislocations start coming into play, changing the grain boundary structure and hindering further coupled motion. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Velasco, M.; Van Swygenhoven, H.] Paul Scherrer Inst Mat Sci & Simulat, CH-5232 Villigen, Switzerland.
[Velasco, M.; Van Swygenhoven, H.] Ecole Polytech Fed Lausanne, Inst Mat IMX, CH-1015 Lausanne, Switzerland.
[Brandl, C.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Van Swygenhoven, H (reprint author), Paul Scherrer Inst Mat Sci & Simulat, CH-5232 Villigen, Switzerland.
EM helena.vs@psi.ch
RI Brandl, Christian/C-6405-2009; Brandl, Christian/D-4013-2015
OI Brandl, Christian/0000-0003-1587-4678; Brandl,
Christian/0000-0003-1587-4678
FU US Department of Energy, Office of Science, Office of Basic Energy
Sciences [2008LANL1026]
FX C.B. was partially supported by the Center for Materials at Irradiation
and Mechanical Extremes, an Energy Frontier Research Center funded by
the US Department of Energy, Office of Science, Office of Basic Energy
Sciences under Award No. 2008LANL1026.
NR 18
TC 31
Z9 31
U1 0
U2 22
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 JUL
PY 2011
VL 65
IS 2
BP 151
EP 154
DI 10.1016/j.scriptamat.2011.03.039
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 771CC
UT WOS:000291133800019
ER
PT J
AU Bansal, DG
Streator, JL
AF Bansal, Dinesh G.
Streator, Jeffrey L.
TI Effect of Operating Conditions on Tribological Response of Al-Al Sliding
Electrical Interface
SO TRIBOLOGY LETTERS
LA English
DT Article
DE Aluminum; Unlubricated friction; Unlubricated wear; Bench wear tests;
Electrical contacts; Thermal softening
ID ALUMINUM; CONDUCTORS; CONTACT; PERFORMANCE; CONNECTORS; BEHAVIOR;
BRUSHES; CREEP
AB Aluminum is widely used in electrical contacts due to its electrical properties and inexpensiveness when compared to copper. In this study, we investigate the influence of operating conditions like contact load (pressure), sliding speed, current, and surface roughness on the electrical and tribological behavior of the interface. The tests are conducted on a linear, pin-on-flat tribo-simulator specially designed to investigate electrical contacts under high contact pressures and high current densities. Control parameters include sliding speed, load, current, and surface roughness. The response of the interface is evaluated in the light of coefficient of friction, contact resistance, contact voltage, mass loss of pins, and interfacial temperature rise. As compared to sliding speed, load, and roughness, current is found to have the greatest influence on the various measured parameters. Under certain test conditions, the interface operates in a "voltage saturation" regime, wherein increase in current do not result in any increase in contact voltage. Within the voltage saturation regime the coefficient of friction tends to be lower, a result that is attributed to the higher temperatures associated with the higher voltage (and resulting material softening). Higher interfacial temperatures also appear to be responsible for the higher wear rates observed at higher current levels as well as lower coefficients of friction for smoother surfaces in the presence of current.
C1 [Bansal, Dinesh G.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
[Streator, Jeffrey L.] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA.
RP Bansal, DG (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
EM bansaldg@ornl.gov; jeffrey.streator@me.gatech.edu
RI Bansal, Dinesh/F-2255-2010
OI Bansal, Dinesh/0000-0001-8044-6341
FU University Research Initiative as Office of Naval Research
[N00014-04-1-0601]
FX This research was conducted at Georgia Institute of Technology, and
supported in part through the Department of Defense Multidisciplinary
Research Program of the University Research Initiative as Office of
Naval Research Grant N00014-04-1-0601, entitled "Friction & Wear under
Very High Electromagnetic Stress." Information conveyed in this
manuscript does not necessarily reflect the position or policy of the
Government, and no official endorsement should be inferred.
NR 26
TC 3
Z9 3
U1 0
U2 5
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1023-8883
J9 TRIBOL LETT
JI Tribol. Lett.
PD JUL
PY 2011
VL 43
IS 1
BP 43
EP 54
DI 10.1007/s11249-011-9784-8
PG 12
WC Engineering, Chemical; Engineering, Mechanical
SC Engineering
GA 772UP
UT WOS:000291262900004
ER
PT J
AU Mitri, FG
Silva, GT
AF Mitri, F. G.
Silva, G. T.
TI Off-axial acoustic scattering of a high-order Bessel vortex beam by a
rigid sphere
SO WAVE MOTION
LA English
DT Article
DE Acoustic scattering; Bessel vortex beam; Off-axial scattering; Rigid
sphere
ID RADIATION FORCE; SELF-RECONSTRUCTION; LIGHT-SCATTERING; ELASTIC SPHERE;
GAUSSIAN-BEAM; SHELLS; WAVES; REFLECTION; ULTRASOUND; GENERATION
AB In this paper, the off-axial acoustic scattering of a high-order Bessel vortex beam by a rigid immovable (fixed) sphere is investigated. It is shown here that shifting the sphere off the axis of wave propagation induces a dependence of the scattering on the azimuthal angle. Theoretical expressions for the incident and scattered field from a rigid immovable sphere are derived. The near- and far-field acoustic scattering fields are expressed using partial wave series involving the spherical harmonics, the scattering coefficients of the sphere, the half-conical angle of the wave number components of the beam, its order and the beam-shape coefficients. The scattering coefficients of the sphere and the 3D scattering directivity plots in the near- and far-field regions are evaluated using a numerical integration procedure. The calculations indicate that the scattering directivity patterns near the sphere and in the far-field are strongly dependent upon the position of the sphere facing the incident high-order Bessel vortex beam. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Mitri, F. G.] Los Alamos Natl Lab, Acoust & Sensors Technol Team, Los Alamos, NM 87545 USA.
[Silva, G. T.] Univ Fed Alagoas, Inst Fis, BR-57072970 Maceio, Alagoas, Brazil.
RP Mitri, FG (reprint author), Los Alamos Natl Lab, Acoust & Sensors Technol Team, MPA-11,MS D429, Los Alamos, NM 87545 USA.
EM mitri@lanl.gov
RI Silva, Glauber/B-3240-2008
OI Silva, Glauber/0000-0001-8911-5848
FU Los Alamos National Laboratory [LDRD-X9N9]; CNPq [150745/2007-9]
FX Dr. Mitri acknowledges the financial support provided through a
Director's fellowship (LDRD-X9N9) from Los Alamos National Laboratory.
Dr. Silva acknowledges the funding from a grant CNPq 150745/2007-9
(Brazilian agency).
NR 47
TC 36
Z9 41
U1 3
U2 19
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0165-2125
J9 WAVE MOTION
JI Wave Motion
PD JUL
PY 2011
VL 48
IS 5
BP 392
EP 400
DI 10.1016/j.wavemoti.2011.02.001
PG 9
WC Acoustics; Mechanics; Physics, Multidisciplinary
SC Acoustics; Mechanics; Physics
GA 772MW
UT WOS:000291239000002
ER
PT J
AU Merchel, S
Bremser, W
Alfimov, V
Arnold, M
Aumaitre, G
Benedetti, L
Bourles, DL
Caffee, M
Fifield, LK
Finkel, RC
Freeman, SPHT
Martschini, M
Matsushi, Y
Rood, DH
Sasa, K
Steier, P
Takahashi, T
Tamari, M
Tims, SG
Tosaki, Y
Wilcken, KM
Xu, S
AF Merchel, S.
Bremser, W.
Alfimov, V.
Arnold, M.
Aumaitre, G.
Benedetti, L.
Bourles, D. L.
Caffee, M.
Fifield, L. K.
Finkel, R. C.
Freeman, S. P. H. T.
Martschini, M.
Matsushi, Y.
Rood, D. H.
Sasa, K.
Steier, P.
Takahashi, T.
Tamari, M.
Tims, S. G.
Tosaki, Y.
Wilcken, K. M.
Xu, S.
TI Ultra-trace analysis of Cl-36 by accelerator mass spectrometry: an
interlaboratory study
SO ANALYTICAL AND BIOANALYTICAL CHEMISTRY
LA English
DT Article
DE Accelerator mass spectrometry; Long-lived radionuclides; Cosmogenic
nuclides; Exposure dating
ID PRODUCTION-RATES; COSMOGENIC CL-36; AMS FACILITY; PERFORMANCE;
SPALLATION; BE-10
AB A first international Cl-36 interlaboratory comparison has been initiated. Evaluation of the final results of the eight participating accelerator mass spectrometry (AMS) laboratories on three synthetic AgCl samples with Cl-36/Cl ratios at the 10(-11), 10(-12), and 10(-13) level shows no difference in the sense of simple statistical significance. However, more detailed statistical analyses demonstrate certain interlaboratory bias and underestimation of uncertainties by some laboratories. Following subsequent remeasurement and reanalysis of the data from some AMS facilities, the round-robin data indicate that Cl-36/Cl data from two individual AMS laboratories can differ by up to 17%. Thus, the demand for further work on harmonising the Cl-36-system on a worldwide scale and enlarging the improvement of measurements is obvious.
C1 [Merchel, S.; Arnold, M.; Aumaitre, G.; Benedetti, L.; Bourles, D. L.; Finkel, R. C.] Univ Aix Marseille, CNRS, IRD, CEREGE, F-13545 Aix En Provence, France.
[Bremser, W.] BAM Fed Inst Mat Res & Testing, D-12489 Berlin, Germany.
[Alfimov, V.] ETH, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland.
[Caffee, M.] Purdue Univ, PRIME Lab, W Lafayette, IN 47906 USA.
[Fifield, L. K.; Tims, S. G.] Australian Natl Univ, Canberra, ACT 0200, Australia.
[Finkel, R. C.; Rood, D. H.] Lawrence Livermore Natl Lab, CAMS, Livermore, CA 94550 USA.
[Freeman, S. P. H. T.; Wilcken, K. M.; Xu, S.] Scottish Univ Environm Res Ctr SUERC, E Kilbride G75 0QF, Lanark, Scotland.
[Martschini, M.; Steier, P.] Univ Vienna, Fac Phys, Vienna Environm Res Accelerator VERA, A-1090 Vienna, Austria.
[Matsushi, Y.; Sasa, K.; Takahashi, T.; Tamari, M.; Tosaki, Y.] Univ Tsukuba, Tsukuba, Ibaraki 3058577, Japan.
RP Merchel, S (reprint author), Helmholtz Zentrum Dresden Rossendorf HZDR, D-01314 Dresden, Germany.
EM s.merchel@hzdr.de
RI Tosaki, Yuki/E-4845-2011; Caffee, Marc/K-7025-2015; Tims,
Stephen/P-6505-2015; Freeman, Stewart/C-3290-2012;
OI Caffee, Marc/0000-0002-6846-8967; Tims, Stephen/0000-0001-6014-0126;
Freeman, Stewart/0000-0001-6148-3171; Bourles,
Didier/0000-0001-5991-6126
FU INSU/CNRS; French Ministry of Research and Higher Education; IRD; CEA;
CRONUS-EU [511927]
FX We highly appreciate discussions with and support by R. Braucher
(CEREGE), H.-A. Synal (ETH), and A. Priller and A. Wallner (VERA). The
measurements performed at the ASTER AMS national facility (CEREGE,
Aix-en-Provence) are supported by the INSU/CNRS, the French Ministry of
Research and Higher Education, IRD, and CEA. This work was partially
funded within the framework of CRONUS-EU (Marie-Curie Action 6th
framework programme; Contract No: 511927).
NR 35
TC 17
Z9 17
U1 1
U2 6
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1618-2642
J9 ANAL BIOANAL CHEM
JI Anal. Bioanal. Chem.
PD JUL
PY 2011
VL 400
IS 9
BP 3125
EP 3132
DI 10.1007/s00216-011-4979-2
PG 8
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 769SE
UT WOS:000291037800044
PM 21533641
ER
PT J
AU Sarathy, SM
Yeung, C
Westbrook, CK
Pitz, WJ
Mehl, M
Thomson, MJ
AF Sarathy, S. M.
Yeung, C.
Westbrook, C. K.
Pitz, W. J.
Mehl, M.
Thomson, M. J.
TI An experimental and kinetic modeling study of n-octane and
2-methylheptane in an opposed-flow diffusion flame
SO COMBUSTION AND FLAME
LA English
DT Article
DE Alkane combustion; Iso-alkane combustion; Opposed-flow diffusion flame;
Diesel fuel surrogate; Chemical kinetic modeling; Reaction mechanism
ID SHOCK-TUBE; RAPID COMPRESSION; LENNARD-JONES; DECOMPOSITION; IGNITION;
ISOMERS; HEPTANE; ISOMERIZATION; OXIDATION; RADICALS
AB Fischer-Tropsch (FT) fuels derived from biomass syngas are renewable fuels that can replace conventional petroleum fuels in jet engine and diesel engine applications. FT fuels typically contain a high concentration of lightly methylated iso-alkanes, whereas petroleum derived jet and diesel fuels contain large fractions of n-alkanes, cycloalkanes, and aromatics plus some lightly methylated iso-alkanes. In order to better understand the combustion characteristics of FT and petroleum fuels, this study presents new experimental data for 2-methylheptane and n-octane in an opposed-flow diffusion flame. The high temperature oxidation of 2-methylheptane and n-octane has been modeled using an extended transport database and a reaction mechanism consisting of 3401 reactions involving 714 species. The proposed model shows good qualitative and quantitative agreement with the experimental data. The measured and predicted concentrations of 1-alkenes and ethylene are higher in the n-octane flame, while the concentrations of iso-alkenes (especially iso-butene) and propene are higher in the 2-methylheptane flame. The proposed chemical kinetic model is used to delineate the reactions pathways leading to these observed differences in product species concentrations. An uncertainty analysis was conducted to assess experimental and modeling uncertainties. The results indicate that the simulations are sensitive to the transport parameters used to calculate fuel diffusion. (C) 2010 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Sarathy, S. M.; Westbrook, C. K.; Pitz, W. J.; Mehl, M.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA USA.
[Yeung, C.; Thomson, M. J.] Univ Toronto, Dept Mech & Ind Engn, Toronto, ON M5S 1A1, Canada.
RP Sarathy, SM (reprint author), Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA USA.
EM sarathy1@llnl.gov
RI 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
FU LLNL; US Department of Energy; Lawrence Livermore National Laboratory
[DE-AC52-07NA 27344]; US Department of Energy, Office of Vehicle
Technologies; Office of Naval Research; Natural Science and Engineering
Research Council of Canada (NSERC) at the University of Toronto
FX The portion of this work supported by LLNL was performed under the
auspices of the US Department of Energy by Lawrence Livermore National
Laboratory under Contract DE-AC52-07NA 27344. LLNL also acknowledges the
support of the US Department of Energy, Office of Vehicle Technologies
(program manager Gurpreet Singh) and the Office of Naval Research
(program manager Dr. David Shifler). The Natural Science and Engineering
Research Council of Canada (NSERC) supported the work at the University
of Toronto.
NR 49
TC 20
Z9 22
U1 2
U2 13
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
J9 COMBUST FLAME
JI Combust. Flame
PD JUL
PY 2011
VL 158
IS 7
BP 1277
EP 1287
DI 10.1016/j.combustflame.2010.11.008
PG 11
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA 768KF
UT WOS:000290932600006
ER
PT J
AU Loubere, R
Maire, PH
Shashkov, M
AF Loubere, Raphael
Maire, Pierre-Henri
Shashkov, Mikhail
TI ReALE: A Reconnection Arbitrary-Lagrangian-Eulerian method in
cylindrical geometry
SO COMPUTERS & FLUIDS
LA English
DT Article; Proceedings Paper
CT 10th Institute for Computational Fluid Dynamics (ICFD) Conference
CY 2010
CL Univ Reading, ENGLAND
SP Inst Computational Fluid Dynamics (ICFD)
HO Univ Reading
DE ReALE; Cylindrical geometry; Lagrangian hydrodynamics; Voronoi mesh;
Arbitrary-Lagrangian-Eulerian; Mesh reconnection; Polygonal mesh
ID CENTROIDAL VORONOI TESSELLATIONS; ALGORITHMS
AB This paper deals with the extension to the cylindrical geometry of the recently introduced Reconnection algorithm for Arbitrary-Lagrangian-Eulerian (ReALE) framework. The main elements in standard ALE methods are an explicit Lagrangian phase, a rezoning phase, and a remapping phase. Usually the new mesh provided by the rezone phase is obtained by moving grid nodes without changing connectivity of the underlying mesh. Such rezone strategy has its limitation due to the fixed topology of the mesh. In ReALE we allow connectivity of the mesh to change in rezone phase, which leads to general polygonal mesh and permits to follow Lagrangian features much better than for standard ALE methods. Rezone strategy with reconnection is based on using Voronoi tesselation machinery. In this work we focus on the extension of each phase of ReALE to cylindrical geometry. The Lagrangian, rezone with reconnection and remap phases are revamped to take into account the cylindrical geometry. We demonstrate the efficiency of our ReALE in cylindrical geometry on series of numerical examples. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Loubere, Raphael] Univ Toulouse, CNRS, Inst Math Toulouse, Toulouse, France.
[Maire, Pierre-Henri] CEA, CESTA, F-33114 Le Barp, France.
[Shashkov, Mikhail] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Loubere, R (reprint author), Univ Toulouse, CNRS, Inst Math Toulouse, Toulouse, France.
EM raphael.loubere@math.univ-toulouse.fr
RI Maire, Pierre-Henri/H-6219-2013
OI Maire, Pierre-Henri/0000-0002-4180-8220
NR 14
TC 14
Z9 14
U1 0
U2 3
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
J9 COMPUT FLUIDS
JI Comput. Fluids
PD JUL
PY 2011
VL 46
IS 1
SI SI
BP 59
EP 69
DI 10.1016/j.compfluid.2010.08.024
PG 11
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA 767CY
UT WOS:000290834100008
ER
PT J
AU Dai, WW
Woodward, PR
AF Dai, William W.
Woodward, Paul R.
TI Moment preserving schemes for Euler equations
SO COMPUTERS & FLUIDS
LA English
DT Article; Proceedings Paper
CT 10th Institute-for-Computational-Fluid-Dynamics (ICFD) Conference
CY 2010
CL Univ Reading, ENGLAND
SP Inst Computat Fluid Dynam (ICFD)
HO Univ Reading
DE Finite difference; Finite element; Hyperbolic system; Gas dynamics
ID CONSERVATIVE DIFFERENCE SCHEME; NONOSCILLATORY SCHEMES; RECONSTRUCTION
AB A high order accurate finite difference scheme is proposed for one-dimensional Euler equations. In the scheme a set of first three moments of each signal are preserved during the updating. The scheme is one of 5th order in space and 4th order in time. This feature is different from that in typical existing methods in which the use of the first three polynomials results in only 3rd order accuracy in space. The scheme has different features from the existing high order schemes, and the most noticeable are the simultaneous discretization both in space and time, and the use of moments of Riemann invariants instead of primitive physical variables. Numerical examples are given to show the accuracy of the scheme and its robustness for the flows involving shocks. Published by Elsevier Ltd.
C1 [Dai, William W.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Woodward, Paul R.] Univ Minnesota, Minneapolis, MN 55455 USA.
RP Dai, WW (reprint author), Los Alamos Natl Lab, Mail Stop T080, Los Alamos, NM 87545 USA.
EM dai@lanl.gov
NR 18
TC 1
Z9 1
U1 0
U2 3
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
EI 1879-0747
J9 COMPUT FLUIDS
JI Comput. Fluids
PD JUL
PY 2011
VL 46
IS 1
SI SI
BP 186
EP 196
DI 10.1016/j.compfluid.2010.11.005
PG 11
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA 767CY
UT WOS:000290834100026
ER
PT J
AU Kucharik, M
Breil, J
Galera, S
Maire, PH
Berndt, M
Shashkov, M
AF Kucharik, M.
Breil, J.
Galera, S.
Maire, P-H
Berndt, M.
Shashkov, M.
TI Hybrid remap for multi-material ALE
SO COMPUTERS & FLUIDS
LA English
DT Article; Proceedings Paper
CT 10th Institute for Computational Fluid Dynamics (ICFD) Conference
CY 2010
CL Univ Reading, ENGLAND
SP Inst Computational Fluid Dynamics (ICFD)
HO Univ Reading
DE Multi-material ALE; Conservative interpolations; Hybrid remap
ID EULERIAN COMPUTING METHOD; FLOW SPEEDS; GRIDS
AB Remapping is one of the essential parts of most arbitrary Lagrangian-Eulerian (ALE) methods. In this short paper we focus on multi-material fluid flows. We present a hybrid remapping method combining the swept remapping algorithm in pure regions with the intersection-based remapping algorithm close to material interfaces. We describe the hybrid remapping method in two formulations, as a one-step and a two-step procedure and compare behaviour of both approaches with the standard intersection-based algorithm using several numerical examples. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Kucharik, M.] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague 1, Czech Republic.
[Breil, J.; Galera, S.; Maire, P-H] Univ Bordeaux 1, UMR CELIA CEA CNRS, F-33405 Talence, France.
[Berndt, M.] Los Alamos Natl Lab, CCS Grp 2, Los Alamos, NM 87545 USA.
[Shashkov, M.] Los Alamos Natl Lab, XCP Grp 4, Los Alamos, NM 87545 USA.
RP Kucharik, M (reprint author), Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, CR-11519 Prague 1, Czech Republic.
EM kucharik@newton.fjfi.cvut.cz
RI Berndt, Markus/F-3185-2013; Maire, Pierre-Henri/H-6219-2013;
OI Maire, Pierre-Henri/0000-0002-4180-8220; Berndt,
Markus/0000-0001-5360-6848
NR 12
TC 18
Z9 18
U1 1
U2 7
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
J9 COMPUT FLUIDS
JI Comput. Fluids
PD JUL
PY 2011
VL 46
IS 1
SI SI
BP 293
EP 297
DI 10.1016/j.compfluid.2010.08.004
PG 5
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA 767CY
UT WOS:000290834100043
ER
PT J
AU Liska, R
Shashkov, M
Vachal, P
Wendroff, B
AF Liska, Richard
Shashkov, Mikhail
Vachal, Pavel
Wendroff, Burton
TI Synchronized flux corrected remapping for ALE methods
SO COMPUTERS & FLUIDS
LA English
DT Article; Proceedings Paper
CT 10th Institute-for-Computational-Fluid-Dynamics (ICFD) Conference
CY 2010
CL Univ Reading, ENGLAND
SP Inst Computat Fluid Dynam (ICFD)
HO Univ Reading
DE ALE; FCT; Remapping
ID TRANSPORT; EQUATIONS
AB A new optimization-based synchronized flux corrected conservative interpolation (remapping) of mass, momentum and energy for arbitrary Lagrangian Eulerian method is developed. Fluxes of conserved variables (mass, momentum and total energy) are limited in a synchronous FCT-like way to preserve local bounds in density, velocity and specific internal energy. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Liska, Richard; Vachal, Pavel] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague 1, Czech Republic.
[Shashkov, Mikhail; Wendroff, Burton] Los Alamos Natl Lab, Appl Math & Plasma Phys Grp T5, Los Alamos, NM 87545 USA.
RP Liska, R (reprint author), Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, CR-11519 Prague 1, Czech Republic.
EM liska@siduri.fjfi.cvut.cz
RI Vachal, Pavel/G-2131-2011; Liska, Richard/C-3142-2009;
OI Liska, Richard/0000-0002-6149-0440; Vachal, Pavel/0000-0002-6668-9045
NR 13
TC 14
Z9 14
U1 0
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
EI 1879-0747
J9 COMPUT FLUIDS
JI Comput. Fluids
PD JUL
PY 2011
VL 46
IS 1
SI SI
BP 312
EP 317
DI 10.1016/j.compfluid.2010.11.013
PG 6
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA 767CY
UT WOS:000290834100046
ER
PT J
AU Sherbini, S
Ilas, D
Eckerman, K
DeCicco, J
AF Sherbini, Sami
Ilas, Dan
Eckerman, Keith
DeCicco, Joseph
TI CORRECTION FACTORS APPLIED TO FINGER DOSIMETRY: A THEORETICAL ASSESSMENT
OF APPROPRIATE VALUES FOR USE IN HANDLING RADIOPHARMACEUTICALS
SO HEALTH PHYSICS
LA English
DT Article
DE dose; skin; dosimetry; personnel; International Commission on
Radiological Protection; radiopharmaceuticals
ID MONTE-CARLO; WORKERS
AB United States Nuclear Regulatory Commission (USNRC) regulations limit the dose to the skin to 500 mSv per year. This is also the dose limit recommended by the International Commission on Radiological Protection (ICRP). The operational quantity recommended by ICRP for quantifying dose to the skin is the personal dose equivalent, H-p (0.07) and is identical to NRC's shallow dose equivalent, Hs, also measured at a skin depth of 7 mg cm(-2). However, whereas ICRP recommends averaging the dose to the skin over an area of 1 cm(2) regardless of the size of the exposed area of skin, USNRC requires the shallow dose equivalent to be averaged over 10 cm(2). To monitor dose to the skin of the hands of workers handling radioactive materials and particularly in radiopharmaceutical manufacturing facilities, which is the focus of this work, workers are frequently required to wear finger ring dosimeters. The dosimeters monitor the dose at the location of the sensitive element, but this is not the dose required to show compliance (i.e., the dose averaged over the highest exposed contiguous 10 cm(2) of skin). Therefore, it may be necessary to apply a correction factor that enables estimation of the required skin dose from the dosimeter reading. This work explored the effects of finger ring placement and of the geometry of the radioactive materials being handled by the worker on the relationship between the dosimeter reading and the desired average dose. A mathematical model of the hand was developed for this purpose that is capable of positioning the fingers in any desired grasping configuration, thereby realistically modeling manipulation of any object. The model was then used with the radiation transport code MCNP to calculate the dose distribution on the skin of the hand when handling a variety of radioactive vials and syringes, as well as the dose to the dosimeter element. Correction factors were calculated using the results of these calculations and examined for any patterns that may be useful in establishing an appropriate correction factor for this type of work. It was determined that a correction factor of one applied to the dosimeter reading, with the dosimeter placed at the base of the middle finger, provides an adequate estimate of the required average dose during a monitoring period for most commonly encountered geometries. Different correction factors may be required for exceptional or unusual source geometries and must be considered on a case-by-case basis. Health Phys. 101(1):1-12; 2011
C1 [Sherbini, Sami] US Nucl Regulatory Commiss, Off Nucl Regulatory Res, Washington, DC 20555 USA.
[Ilas, Dan; Eckerman, Keith] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Sherbini, S (reprint author), US Nucl Regulatory Commiss, Off Nucl Regulatory Res, Mail Stop CSB C3A07M, Washington, DC 20555 USA.
EM sxs2@nrc.gov
OI Ilas, Dan/0000-0002-4971-9476
NR 10
TC 0
Z9 0
U1 0
U2 3
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 JUL
PY 2011
VL 101
IS 1
BP 1
EP 12
DI 10.1097/HP.0b013e318207ce10
PG 12
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 769NF
UT WOS:000291021500001
PM 21617388
ER
PT J
AU Tolstykh, EI
Degteva, MO
Peremyslova, LM
Shagina, NB
Shishkina, EA
Krivoshchapov, VA
Anspaugh, LR
Napier, BA
AF Tolstykh, E. I.
Degteva, M. O.
Peremyslova, L. M.
Shagina, N. B.
Shishkina, E. A.
Krivoshchapov, V. A.
Anspaugh, L. R.
Napier, B. A.
TI RECONSTRUCTION OF LONG-LIVED RADIONUCLIDE INTAKES FOR TECHA RIVERSIDE
RESIDENTS: STRONTIUM-90
SO HEALTH PHYSICS
LA English
DT Article
DE contamination, environmental; dose, internal; food chain; metabolism
ID STRONTIUM; COHORT; TEETH; AGE; UNCERTAINTIES; POPULATION; METABOLISM;
INFANTS; SYSTEM; MODEL
AB Releases of radioactive materials from the Mayak Production Association in 1949-1956 resulted in contamination of the Techa River; a nuclide of major interest was Sr-90, which downstream residents consumed with water from the river and with milk contaminated by cows' consumption of river water and contaminated pasture. Over the years, several reconstructions of dose have been performed for the approximately 30,000 persons who make up the Extended Techa River Cohort. The purpose of the study described here was to derive a revised reference-Sr-90-intake function for the members of this cohort. The revision was necessary because recently discovered data have provided a more accurate description of the time course of the releases, and more is now known about the importance of the pasture grass-cow-milk pathway for the members of this cohort. The fundamental basis for the derivation of the reference-Sr-90-intake function remains the same: thousands of measurements of Sr-90 content in bone with a special whole-body counter, thousands of measurements of beta-activity of front teeth with a special tooth-beta counter, and a variety of other measurements, including post mortem measurements of Sr-90 in bone, measurements of Sr-90 in cow's milk, and measurements of beta activity in human excreta. Results of the new analyses are that the major intake started in September 1950 and peaked somewhat later than originally postulated. However, the total intake for adult residents has not changed significantly. For children of some birth years, the intake and incorporation of Sr-90 in bone tissue have changed substantially. Health Phys. 101(1):28-47; 2011
C1 [Tolstykh, E. I.; Degteva, M. O.; Peremyslova, L. M.; Shagina, N. B.; Shishkina, E. A.] Urals Res Ctr Radiat Med, Chelyabinsk 454076, Russia.
[Krivoshchapov, V. A.] So Urals State Univ, Chelyabinsk, Russia.
[Anspaugh, L. R.] Univ Utah, Div Radiobiol, Dept Radiol, Salt Lake City, UT 84112 USA.
[Napier, B. A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Tolstykh, EI (reprint author), Urals Res Ctr Radiat Med, Vorovskogo 68 A, Chelyabinsk 454076, Russia.
EM evgenia@urcrm.ru
RI Shishkina, Elena/G-4595-2016;
OI Shishkina, Elena/0000-0003-4464-0889; Shishkina,
Elena/0000-0002-3076-2108
FU U.S. Department of Energy's Office of International Health Studies; U.S.
Environmental Protection Agency's Office of Radiation and Indoor Air;
Federal Medical-Biological Agency of the Russian Federation; European
Union
FX This work has been funded by the U.S. Department of Energy's Office of
International Health Studies, the U.S. Environmental Protection Agency's
Office of Radiation and Indoor Air, and the Federal Medical-Biological
Agency of the Russian Federation. The authors also acknowledge the
useful contributions that have been performed by Russian-European
investigators working within the SOUL Project funded by the European
Union.
NR 43
TC 23
Z9 25
U1 1
U2 9
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA TWO COMMERCE SQ, 2001 MARKET ST, PHILADELPHIA, PA 19103 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD JUL
PY 2011
VL 101
IS 1
BP 28
EP 47
DI 10.1097/HP.0b013e318206d0ff
PG 20
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 769NF
UT WOS:000291021500003
PM 21617390
ER
PT J
AU Kuby, MJ
Bielicki, JM
Middleton, RS
AF Kuby, Michael J.
Bielicki, Jeffrey M.
Middleton, Richard S.
TI Optimal Spatial Deployment of CO2 Capture and Storage Given a Price on
Carbon
SO INTERNATIONAL REGIONAL SCIENCE REVIEW
LA English
DT Article; Proceedings Paper
CT ISOLDE XI Conference
CY 2008
CL Santa Barbara, CA
DE pipeline; network; optimization; model; infrastructure; location; CCS
ID TECHNOLOGIES
AB Carbon dioxide capture and storage (CCS) links together technologies that separate carbon dioxide (CO2) from fixed point source emissions and transport it by pipeline to geologic reservoirs into which it is injected underground for long-term containment. Previously, models have been developed to minimize the cost of a CCS infrastructure network that captures a given amount of CO2. The CCS process can be costly, however, and large-scale implementation by industry will require government regulations and economic incentives. The incentives can price CO2 emissions through a tax or a cap-and-trade system. This paper extends the earlier mixed-integer linear programming model to endogenously determine the optimal quantity of CO2 to capture and optimize the various components of a CCS infrastructure network, given the price per tonne to emit CO2 into the atmosphere. The spatial decision support system first generates a candidate pipeline network and then minimizes the total cost of capturing, transporting, storing, or emitting CO2. To illustrate how the new model based on CO2 prices works, it is applied to a case study of CO2 sources, reservoirs, and candidate pipeline links and diameters in California.
C1 [Kuby, Michael J.] Arizona State Univ, Sch Geog Sci & Urban Planning, Tempe, AZ 85069 USA.
[Bielicki, Jeffrey M.] Univ Minnesota, Ctr Sci Technol & Publ Policy, Humphrey Sch, Minneapolis, MN USA.
[Middleton, Richard S.] Los Alamos Natl Lab, Los Alamos Natl Lab Earth & Environm Sci, Los Alamos, NM USA.
RP Kuby, MJ (reprint author), Arizona State Univ, Sch Geog Sci & Urban Planning, Tempe, AZ 85069 USA.
EM mikekuby@asu.edu
RI Middleton, Richard/A-5470-2011; Bielicki, Jeffrey/D-4239-2016;
OI Bielicki, Jeffrey/0000-0001-8449-9328; Middleton,
Richard/0000-0002-8039-6601
NR 27
TC 20
Z9 20
U1 1
U2 7
PU SAGE PUBLICATIONS INC
PI THOUSAND OAKS
PA 2455 TELLER RD, THOUSAND OAKS, CA 91320 USA
SN 0160-0176
J9 INT REGIONAL SCI REV
JI Int. Reg. Sci. Rev.
PD JUL
PY 2011
VL 34
IS 3
BP 285
EP 305
DI 10.1177/0160017610397191
PG 21
WC Environmental Studies; Planning & Development; Urban Studies
SC Environmental Sciences & Ecology; Public Administration; Urban Studies
GA 769VZ
UT WOS:000291047700002
ER
PT J
AU Beavers, CM
Talbo, GH
Richards, AF
AF Beavers, Christine M.
Talbo, Gert H.
Richards, Anne F.
TI Ketiminate supported aluminum(III) complexes: Synthesis,
characterization and reactivity
SO JOURNAL OF ORGANOMETALLIC CHEMISTRY
LA English
DT Article
DE Ketiminate; Aluminum(III); Crystal structure
ID X-RAY-STRUCTURE; RING-OPENING POLYMERIZATION; BETA-DIKETIMINATO LIGAND;
CARBON BOND FORMATION; 2 ALPHA-DIIMINES; SCHIFF-BASES; COMPOUND;
COORDINATION; 4-COORDINATE; DINUCLEAR
AB The reaction of LLi, (L = [RNC(Me)CHC(Me) = O] (R = C(2)H(4)NEt(2))), with AlCl(3) at -78 degrees C forms the mono-ketiminate product, LAlCl(2), 1, while the same reaction at 0 degrees C affords the bis-ketiminate complex, [{(LH)(2)AlCl}(Cl(2))], 2, Reduction of 1 with Li(o), K(o) or Mg(o) yielded an unusual dimeric aluminum(III) species, [L'AlCl](2), 3, where C-C coupling of the ligand backbone is observed. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Talbo, Gert H.; Richards, Anne F.] La Trobe Univ, La Trobe Inst Mol Sci, Dept Chem, Melbourne, Vic 3086, Australia.
[Beavers, Christine M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Richards, AF (reprint author), La Trobe Univ, La Trobe Inst Mol Sci, Dept Chem, Melbourne, Vic 3086, Australia.
EM a.richards@latrobe.edu.au
FU Australian Research Council [FT100100003]
FX AFR acknowledges the Australian Research Council for the award of a
Future Fellowship, (FT100100003).
NR 50
TC 3
Z9 3
U1 0
U2 8
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 JUL 1
PY 2011
VL 696
IS 13
BP 2507
EP 2511
DI 10.1016/j.jorganchem.2011.03.024
PG 5
WC Chemistry, Inorganic & Nuclear; Chemistry, Organic
SC Chemistry
GA 769MK
UT WOS:000291017700006
ER
PT J
AU Sanchez, R
Newman, DE
Leboeuf, JN
Decyk, VK
AF Sanchez, R.
Newman, D. E.
Leboeuf, J-N
Decyk, V. K.
TI Nature of turbulent transport across sheared zonal flows: insights from
gyrokinetic simulations
SO PLASMA PHYSICS AND CONTROLLED FUSION
LA English
DT Article; Proceedings Paper
CT 15th International Congress on Plasma Physics (ICPP) / 13th Latin
American Workshop on Plasma Physics (LAWPP)
CY AUG 08-13, 2010
CL Santiago, CHILE
SP Chilean Nucl Energy Commiss, Thermonuclear Plasma Dept
ID PLASMA; TOKAMAK; CONFINEMENT; DISCHARGES; MODEL
AB The traditional view regarding the reduction of turbulence-induced transport across a stable sheared flow invokes a reduction of the characteristic length scale in the direction perpendicular to the flow as a result of the shearing and stretching of eddies caused by the differential pull exerted in the direction of the flow. A reduced effective transport coefficient then suffices to capture the reduction, that can then be readily incorporated into a transport model. However, recent evidence from gyrokinetic simulations of the toroidal ion-temperature-gradient mode suggests that the dynamics of turbulent transport across sheared flows changes in a more fundamental manner, and that the use of reduced effective transport coefficients fails to capture the full dynamics that may exhibit both subdiffusion and non-Gaussian statistics. In this contribution, after briefly reviewing these results, we propose some candidates for the physical mechanisms responsible for endowing transport with such non-diffusive characteristics, backing these proposals with new numerical gyrokinetic data.
C1 [Sanchez, R.] Oak Ridge Natl Lab, Div Fus Energy, Oak Ridge, TN 37831 USA.
[Sanchez, R.] Univ Carlos III Madrid, Dept Fis, Madrid 28911, Spain.
[Newman, D. E.] Univ Alaska, Dept Phys, Fairbanks, AK 99775 USA.
[Leboeuf, J-N] JNL Sci Inc, Casa Grande, AZ 85294 USA.
[Decyk, V. K.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
RP Sanchez, R (reprint author), Oak Ridge Natl Lab, Div Fus Energy, Oak Ridge, TN 37831 USA.
EM sanchezferlr@ornl.gov
FU US DOE [DE-AC05-00OR22725]; DOE at University of Alaska
[DE-FG02-04ER54741]; DOE at UCLA [DE-FG02-04ER54740]; Spanish National
Project [ENE2009-12213-C03-03]; ARSC (Alaska, USA); NERSC (Berkeley,
USA); Spanish National Supercomputing Network; Universidad Carlos III de
Madrid (Spain)
FX Research was carried out in part at ORNL, managed by UT-Battelle LLC,
for US DOE under Contract No DE-AC05-00OR22725. Research funded in part
by the DOE Grants No DE-FG02-04ER54741 at University of Alaska and No
DE-FG02-04ER54740 at UCLA. Research funded in part by Spanish National
Project No ENE2009-12213-C03-03. Simulations run thanks to grants for
the use of supercomputing resources at ARSC (Alaska, USA), at NERSC
(Berkeley, USA), at the Spanish National Supercomputing Network and at
the Universidad Carlos III de Madrid (Spain).
NR 28
TC 10
Z9 10
U1 0
U2 7
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0741-3335
EI 1361-6587
J9 PLASMA PHYS CONTR F
JI Plasma Phys. Control. Fusion
PD JUL
PY 2011
VL 53
IS 7
AR 074018
DI 10.1088/0741-3335/53/7/074018
PG 10
WC Physics, Fluids & Plasmas
SC Physics
GA 769QY
UT WOS:000291034500019
ER
PT J
AU Gonzalez, RM
Zhang, QB
Zangar, RC
Smith, RD
Metz, TO
AF Gonzalez, Rachel M.
Zhang, Qibin
Zangar, Richard C.
Smith, Richard D.
Metz, Thomas O.
TI Development of a fibrinogen-specific sandwich enzyme-linked
immunosorbent assay microarray assay for distinguishing between blood
plasma and serum samples
SO ANALYTICAL BIOCHEMISTRY
LA English
DT Article
DE ELISA; Plasma; Proteomics; Serum
ID ANTIBODY STANDARDIZATION PROGRAM; LIQUID-CHROMATOGRAPHY;
MASS-SPECTROMETRY; CHAIN
AB We have developed a fibrinogen-specific sandwich enzyme-linked immunosorbent assay (ELISA) microarray assay for use in qualitatively distinguishing between blood plasma and serum samples. Three capture antibodies (4902, HPA001900, and F8512) were evaluated in conjunction with 106 as the detection antibody. The data show that 4902 and (to a lesser extent) F8512 successfully identify previously unknown plasma and serum samples based on approximately a 28-fold difference in signal intensity between the sample types. This assay has utility in rapidly identifying previously archived clinical samples with incomplete annotation in a high-throughput manner prior to proteomic analyses. (C) 2011 Elsevier Inc. All rights reserved.
C1 [Gonzalez, Rachel M.; Zhang, Qibin; Zangar, Richard C.; Smith, Richard D.; Metz, Thomas O.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
RP Metz, TO (reprint author), Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
EM thomas.metz@pnl.gov
RI Smith, Richard/J-3664-2012
OI Metz, Tom/0000-0001-6049-3968; Smith, Richard/0000-0002-2381-2349
FU National Institutes of Health (NIH) [DK070146]; National Institute of
Biomedical Imaging and Bioengineering (NIBIB) [EB006177]; US Department
of Energy (DOE) Office of Biological and Environmental Research
[DE-AC06-76RLO-1830]
FX The authors thank Roger L Lundblad of Lundblad Biotechnology for very
helpful discussions of fibrinogen assays. This work was supported in
part by National Institutes of Health (NIH) Grant DK070146 to R.D.S. and
T.O.M. and National Institute of Biomedical Imaging and Bioengineering
(NIBIB) Grant EB006177 to R.C.Z. A portion of the work was performed in
the Environmental Molecular Sciences Laboratory (EMSL), a national
scientific user facility located at Pacific Northwest National
Laboratory (PNNL) and sponsored by the US Department of Energy (DOE)
Office of Biological and Environmental Research. PNNL is operated by
Battelle for the DOE under contract DE-AC06-76RLO-1830.
NR 16
TC 2
Z9 2
U1 0
U2 5
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0003-2697
J9 ANAL BIOCHEM
JI Anal. Biochem.
PD JUL 1
PY 2011
VL 414
IS 1
BP 99
EP 102
DI 10.1016/j.ab.2011.02.039
PG 4
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 765KK
UT WOS:000290704300013
PM 21371419
ER
PT J
AU Iamnitchi, A
Ripeanu, M
Santos-Neto, E
Foster, I
AF Iamnitchi, Adriana
Ripeanu, Matei
Santos-Neto, Elizeu
Foster, Ian
TI The Small World of File Sharing
SO IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS
LA English
DT Article
DE File sharing; workload characterization; small-world graphs;
self-organization; peer-to-peer systems
ID COMPLEX NETWORKS; SOCIAL NETWORKS; MANAGEMENT; SYSTEMS; WEB
AB Webcaches, content distribution networks, peer-to-peer file-sharing networks, distributed file systems, and data grids all have in common that they involve a community of users who use shared data. In each case, overall system performance can be improved significantly by first identifying and then exploiting the structure of community's data access patterns. We propose a novel perspective for analyzing data access workloads that considers the implicit relationships that form among users based on the data they access. We propose a new structure-the interest-sharing graph-that captures common user interests in data and justify its utility with studies on four data-sharing systems: a high-energy physics collaboration, the Web, the Kazaa peer-to-peer network, and a BitTorrent file-sharing community. We find small-world patterns in the interest-sharing graphs of all four communities. We investigate analytically and experimentally some of the potential causes that lead to this pattern and conclude that user preferences play a major role. The significance of small-world patterns is twofold: it provides a rigorous support to intuition and it suggests the potential to exploit these naturally emerging patterns. As a proof of concept, we design and evaluate an information dissemination system that exploits the small-world interest-sharing graphs by building an interest-aware network overlay. We show that this approach leads to improved information dissemination performance.
C1 [Iamnitchi, Adriana] Univ S Florida, Dept Comp Sci & Engn, Tampa, FL 33637 USA.
[Ripeanu, Matei; Santos-Neto, Elizeu] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V6T 1Z4, Canada.
[Foster, Ian] Univ Chicago, Chicago, IL 60637 USA.
[Foster, Ian] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Iamnitchi, A (reprint author), Univ S Florida, Dept Comp Sci & Engn, 4202 E Fowler Ave, Tampa, FL 33637 USA.
EM anda@cse.usf.edu; matei@ece.ubc.ca; elizeus@ece.ubc.ca;
foster@cs.uchicago.edu
FU US National Science Foundation (NSF) [CNS-0831785]
FX The authors are grateful to Ruth Pordes and Gabriele Garzoglio of Fermi
National Accelerator Laboratory for facilitating access to the D0
traces, to Nathaniel Leibowitz for the access to the Kazaa traces, and
to Nazareno Andrade who helped with the BitSoup data collection. Adriana
Iamnitchi was partially supported under US National Science Foundation
(NSF) grant CNS-0831785.
NR 62
TC 14
Z9 14
U1 0
U2 7
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1045-9219
EI 1558-2183
J9 IEEE T PARALL DISTR
JI IEEE Trans. Parallel Distrib. Syst.
PD JUL
PY 2011
VL 22
IS 7
BP 1120
EP 1134
DI 10.1109/TPDS.2010.170
PG 15
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA 767QM
UT WOS:000290871100005
ER
PT J
AU Jiang, YL
Tian, K
Shen, XP
Zhang, JH
Chen, J
Tripathi, R
AF Jiang, Yunlian
Tian, Kai
Shen, Xipeng
Zhang, Jinghe
Chen, Jie
Tripathi, Rahul
TI The Complexity of Optimal Job Co-Scheduling on Chip Multiprocessors and
Heuristics-Based Solutions
SO IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS
LA English
DT Article
DE Co-scheduling; shared cache; CMP scheduling; cache contention; perfect
matching; integer programming
AB In Chip Multiprocessors (CMPs) architecture, it is common that multiple cores share some on-chip cache. The sharing may cause cache thrashing and contention among co-running jobs. Job co-scheduling is an approach to tackling the problem by assigning jobs to cores appropriately so that the contention and consequent performance degradations are minimized. Job co-scheduling includes two tasks: the estimation of co-run performance, and the determination of suitable co-schedules. Most existing studies in job co-scheduling have concentrated on the first task but relies on simple techniques (e. g., trying different schedules) for the second. This paper presents a systematic exploration to the second task. The paper uncovers the computational complexity of the determination of optimal job co-schedules, proving its NP-completeness. It introduces a set of algorithms, based on graph theory and Integer/Linear Programming, for computing optimal co-schedules or their lower bounds in scenarios with or without job migrations. For complex cases, it empirically demonstrates the feasibility for approximating the optimal effectively by proposing several heuristics-based algorithms. These discoveries may facilitate the assessment of job co-schedulers by providing necessary baselines, as well as shed insights to the development of co-scheduling algorithms in practical systems.
C1 [Jiang, Yunlian; Tian, Kai; Shen, Xipeng] Coll William & Mary, Dept Comp Sci, Williamsburg, VA 23185 USA.
[Zhang, Jinghe] Univ N Carolina, Dept Comp Sci, Chapel Hill, NC 27599 USA.
[Chen, Jie] Thomas Jefferson Natl Accelerator Facil, Sci Comp Grp, Newport News, VA 23606 USA.
[Tripathi, Rahul] Univ S Florida, Dept Comp Sci & Engn, Tampa, FL 33620 USA.
RP Jiang, YL (reprint author), Coll William & Mary, Dept Comp Sci, Williamsburg, VA 23185 USA.
EM jiang@cs.wm.edu; ktian@cs.wm.edu; xshen@cs.wm.edu; jing2009@cs.unc.edu;
chen@jlab.org; tripathi@cse.usf.edu
FU US National Science Foundation (NSF) [0720499, 0811791, 0954015]; IBM
CAS; University of South Florida
FX The authors thank Cliff Stein from Columbia University and William Cook
from Georgia Tech for their helpful comments on perfect matching
algorithms. This material is based upon work supported by the US
National Science Foundation (NSF) under Grant No. 0720499 and 0811791
and 0954015 and IBM CAS Fellowship. 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 NSF or IBM.
Research of Rahul Tripathi was supported by the New Researcher Grant of
the University of South Florida. This paper extends our earlier
publications in the 2008 PACT [16] and 2009 ACM Computing Frontiers [27]
conferences with three improvements. First, it presents the challenges
and solutions of optimal job co-scheduling in a systematic way, unifying
the proofs and algorithms published in the two previous papers into a
single theoretical framework. Second, it introduces an Integer
Programming formulation of the optimal co-scheduling problem and the use
of the Linear Programming relaxed form for efficiently computing the
co-scheduling lower bounds (Section 4.2). Third, it adds a set of new
experimental results, including the empirical confirmation of the
optimality of the polynomial-time optimal co-scheduling algorithm
(Section 6.2.1), the validation of the IP/LP models in determining
optimal schedules or lower bounds (Section 6.2.2), and the results of
the co-scheduling algorithms on a new set of real jobs when job
migrations are allowed (Section 6.3). Finally, it reveals some insights
for the development of practical co-scheduling systems by examining the
results in a holistic manner (Section 7).
NR 30
TC 7
Z9 7
U1 0
U2 2
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1045-9219
EI 1558-2183
J9 IEEE T PARALL DISTR
JI IEEE Trans. Parallel Distrib. Syst.
PD JUL
PY 2011
VL 22
IS 7
BP 1192
EP 1205
DI 10.1109/TPDS.2010.193
PG 14
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA 767QM
UT WOS:000290871100011
ER
PT J
AU Burke, KB
Stapleton, AJ
Vaughan, B
Zhou, XJ
Kilcoyne, ALD
Belcher, WJ
Dastoor, PC
AF Burke, Kerry B.
Stapleton, Andrew J.
Vaughan, Ben
Zhou, Xiaojing
Kilcoyne, A. L. David
Belcher, Warwick J.
Dastoor, Paul C.
TI Scanning transmission x-ray microscopy of polymer nanoparticles: probing
morphology on sub-10 nm length scales
SO NANOTECHNOLOGY
LA English
DT Article
ID PHASE-SEPARATION; PHOTOVOLTAIC DEVICES; AQUEOUS DISPERSION; BLENDS;
PERFORMANCE
AB Water-processable nanoparticle dispersions of semiconducting polymers offer an attractive approach to the fabrication of organic electronic devices since they offer: (1) control of nanoscale morphology and (2) environmentally friendly fabrication. Although the nature of phase segregation in these polymer nanoparticles is critical to device performance, to date there have been no techniques available to directly determine their intra-particle structure, which consequently has been poorly understood. Here, we present scanning transmission x-ray microscopy (STXM) compositional maps for nanoparticles fabricated from poly(9,9-dioctyl-fluorene- 2,7-diyl-co-bis-N,N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenedi-amine) (PFB) and poly(9,9-dioctylfluorene-2,7-diyl-co-benzothiadiazole) (F8BT) 1: 1 blend mixtures. The images show distinct phase segregation within the nanoparticles. The compositional data reveals that, within these nanoparticles, PFB and F8BT segregate into a core-shell morphology, with an F8BT-rich core and a PFB-rich shell. Structural modelling demonstrates that the STXM technique is capable of quantifying morphological features on a sub-10 nm length scale; below the spot size of the incident focused x-ray beam. These results have important implications for the development of water-based 'solar paints' fabricated from microemulsions of semiconducting polymers.
C1 [Burke, Kerry B.; Stapleton, Andrew J.; Vaughan, Ben; Zhou, Xiaojing; Belcher, Warwick J.; Dastoor, Paul C.] Univ Newcastle, Ctr Organ Elect, Callaghan, NSW 2308, Australia.
[Burke, Kerry B.] CSIRO Energy Technol, Newcastle, NSW 2300, Australia.
[Kilcoyne, A. L. David] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Dastoor, PC (reprint author), Univ Newcastle, Ctr Organ Elect, Callaghan, NSW 2308, Australia.
EM Paul.Dastoor@newcastle.edu.au
RI Burke, Kerry/C-9627-2011; DASTOOR, PAUL/G-7189-2013; Stapleton, Andrew
/M-7611-2014; Kilcoyne, David/I-1465-2013
OI Burke, Kerry/0000-0002-4977-1426; Stapleton, Andrew
/0000-0003-1198-1572;
FU University of Newcastle; Office of Science, Office of Basic Energy
Sciences, of the US Department of Energy [DE-AC02-05CH11231]
FX The authors would like to thank Deming Zhu of the EMX unit at UoN for
assistance with TEM. PhD scholarships from the University of Newcastle
(AS and BV) are gratefully acknowledged. The ALS 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.
NR 18
TC 33
Z9 33
U1 1
U2 38
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0957-4484
J9 NANOTECHNOLOGY
JI Nanotechnology
PD JUL 1
PY 2011
VL 22
IS 26
AR 265710
DI 10.1088/0957-4484/22/26/265710
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Physics, Applied
SC Science & Technology - Other Topics; Materials Science; Physics
GA 765OY
UT WOS:000290719500048
PM 21586810
ER
PT J
AU Pattengale, ND
Aberer, AJ
Swenson, KM
Stamatakis, A
Moret, BME
AF Pattengale, Nicholas D.
Aberer, Andre J.
Swenson, Krister M.
Stamatakis, Alexandros
Moret, Bernard M. E.
TI Uncovering Hidden Phylogenetic Consensus in Large Data Sets
SO IEEE-ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS
LA English
DT Article
DE Phylogeny; consensus methods; bootstrapping; support values; MAST
ID TREES; INFORMATION; AGREEMENT
AB Many of the steps in phylogenetic reconstruction can be confounded by "rogue" taxa-taxa that cannot be placed with assurance anywhere within the tree, indeed, whose location within the tree varies with almost any choice of algorithm or parameters. Phylogenetic consensus methods, in particular, are known to suffer from this problem. In this paper, we provide a novel framework to define and identify rogue taxa. In this framework, we formulate a bicriterion optimization problem, the relative information criterion, that models the net increase in useful information present in the consensus tree when certain taxa are removed from the input data. We also provide an effective greedy heuristic to identify a subset of rogue taxa and use this heuristic in a series of experiments, with both pathological examples from the literature and a collection of large biological data sets. As the presence of rogue taxa in a set of bootstrap replicates can lead to deceivingly poor support values, we propose a procedure to recompute support values in light of the rogue taxa identified by our algorithm; applying this procedure to our biological data sets caused a large number of edges to move from "unsupported" to "supported" status, indicating that many existing phylogenies should be recomputed and reevaluated to reduce any inaccuracies introduced by rogue taxa. We also discuss the implementation issues encountered while integrating our algorithm into RAxML v7.2.7, particularly those dealing with scaling up the analyses. This integration enables practitioners to benefit from our algorithm in the analysis of very large data sets (up to 2,500 taxa and 10,000 trees, although we present the results of even larger analyses).
C1 [Pattengale, Nicholas D.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Aberer, Andre J.; Stamatakis, Alexandros] Heidelberg Inst Theoret Studies, Sci Comp Grp, D-69118 Heidelberg, Germany.
[Swenson, Krister M.] Univ Ottawa, Lab Innovat Bioinformat, Ottawa, ON K1N 6N5, Canada.
[Swenson, Krister M.] Univ Quebec, Lab Combinatoire & Informat Math, Montreal, PQ H2P 2K7, Canada.
[Moret, Bernard M. E.] EPFL IC IIF LCBB, EPFL, Swiss Fed Inst Technol, Lab Computat Biol & Bioinformat, CH-1015 Lausanne, Switzerland.
RP Pattengale, ND (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM ndpatte@sandia.gov; Andre.Aberer@h-its.org; akswenson@uottawa.ca;
Alexandros.Stamatakis@h-its.org; bernard.moret@epfl.ch
RI Stamatakis, Alexandros/B-8740-2009;
OI Moret, Bernard/0000-0003-1549-4544
NR 22
TC 14
Z9 14
U1 0
U2 6
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1545-5963
J9 IEEE ACM T COMPUT BI
JI IEEE-ACM Trans. Comput. Biol. Bioinform.
PD JUL-AUG
PY 2011
VL 8
IS 4
BP 902
EP 911
DI 10.1109/TCBB.2011.28
PG 10
WC Biochemical Research Methods; Computer Science, Interdisciplinary
Applications; Mathematics, Interdisciplinary Applications; Statistics &
Probability
SC Biochemistry & Molecular Biology; Computer Science; Mathematics
GA 762CD
UT WOS:000290449000005
PM 21301032
ER
PT J
AU Dera, P
Lazarz, JD
Prakapenka, VB
Barkley, M
Downs, RT
AF Dera, Przemyslaw
Lazarz, John D.
Prakapenka, Vitali B.
Barkley, Madison
Downs, Robert T.
TI New insights into the high-pressure polymorphism of SiO2 cristobalite
SO PHYSICS AND CHEMISTRY OF MINERALS
LA English
DT Article
DE High pressure; Phase transitions; Metastability; Polymorphism; Silica
ID SILICA POLYMORPHS; ALPHA-CRISTOBALITE; POWDER DIFFRACTION; QUARTZ; ATOMS
AB Single-crystal X-ray diffraction experiments with SiO2 alpha-cristobalite reveal that the well-known reversible displacive phase transition to cristobalite-II, which occurs at approximately 1.8 GPa, can be suppressed by rapid pressure increase, leading to an overpressurized metastable state, persisting to pressure as high as 10 GPa. In another, slow pressure increase experiment, the monoclinic high-pressure phase-II was observed to form at similar to 1.8 GPa, in agreement with earlier in situ studies, and its crystal structure has been unambiguously determined. Single-crystal data have been used to refine the structure models of both phases over the range of pressure up to the threshold of formation of cristobalite X-I at similar to 12 GPa, providing important constraints on the feasibility of the two competing silica densification models proposed in the literature, based on quantum mechanical calculations. Preliminary diffraction data obtained for cristobalite X-I reveal a monoclinic unit cell that contradicts the currently assumed model.
C1 [Dera, Przemyslaw; Lazarz, John D.; Prakapenka, Vitali B.] Univ Chicago, Argonne Natl Lab, Ctr Adv Radiat Sources, Argonne, IL 60439 USA.
[Barkley, Madison; Downs, Robert T.] Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA.
RP Dera, P (reprint author), Univ Chicago, Argonne Natl Lab, Ctr Adv Radiat Sources, Bldg 434A,9700 S Cass Ave, Argonne, IL 60439 USA.
EM dera@cars.uchicago.edu
RI Dera, Przemyslaw/F-6483-2013
FU National Science Foundation-Earth Sciences [EAR-0622171]; Department of
Energy-Geosciences [DE-FG02-94ER14466]; U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357];
CDAC
FX We would like to thank the anonymous reviewers for useful suggestions
that helped to improve the manuscript. This work was performed at
GeoSoilEnviroCARS (Sector 13), Advanced Photon Source (APS), Argonne
National Laboratory. GeoSoilEnviroCARS is supported by the National
Science Foundation-Earth Sciences (EAR-0622171) and Department of
Energy-Geosciences (DE-FG02-94ER14466). 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. Funding for MB and RTD was provided by the CDAC
program.
NR 27
TC 24
Z9 25
U1 2
U2 22
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 JUL
PY 2011
VL 38
IS 7
BP 517
EP 529
DI 10.1007/s00269-011-0424-5
PG 13
WC Materials Science, Multidisciplinary; Mineralogy
SC Materials Science; Mineralogy
GA 762PS
UT WOS:000290492500002
ER
PT J
AU Archibald, R
Fann, G
Shelton, W
AF Archibald, Rick
Fann, George
Shelton, William
TI Adaptive discontinuous Galerkin methods in multiwavelets bases
SO APPLIED NUMERICAL MATHEMATICS
LA English
DT Article
DE Multiwavelets; Discontinuous Galerkin
ID EQUATIONS; SCHEMES
AB We use a multiwavelet basis with the Discontinuous Galerkin (DG) method to produce a multi-scale DG method. We apply this Multiwavelet DG method to convection and convection-diffusion problems in multiple dimensions. Merging the DG method with multiwavelets allows the adaptivity in the DG method to be resolved through manipulation of multiwavelet coefficients rather than grid manipulation. Additionally, the Multiwavelet DG method is tested on non-linear equations in one dimension and on the cubed sphere. Published by Elsevier B.V. on behalf of IMACS.
C1 [Archibald, Rick; Fann, George; Shelton, William] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Archibald, R (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM archibaldrk@ornl.gov; fanngi@ornl.gov; sheltonwajr@ornl.gov
RI Archibald, Rick/I-6238-2016
OI Archibald, Rick/0000-0002-4538-9780
FU [DE-AC05-00OR22725]
FX The submitted manuscript has been authored by a contractor [UT-Battelle,
manager of Oak Ridge National Laboratory (ORNL)] of the U.S. Government
under Contract No. DE-AC05-00OR22725. Accordingly, the U.S. Government
retains a nonexclusive, royalty-free license to publish or reproduce the
published form of this contribution, or allow others to do so, for U.S.
Government purposes.
NR 19
TC 9
Z9 9
U1 0
U2 3
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9274
EI 1873-5460
J9 APPL NUMER MATH
JI Appl. Numer. Math.
PD JUL
PY 2011
VL 61
IS 7
BP 879
EP 890
DI 10.1016/j.apnum.2011.02.005
PG 12
WC Mathematics, Applied
SC Mathematics
GA 759XI
UT WOS:000290281700006
ER
PT J
AU Lehman, JH
Terrones, M
Mansfield, E
Hurst, KE
Meunier, V
AF Lehman, John H.
Terrones, Mauricio
Mansfield, Elisabeth
Hurst, Katherine E.
Meunier, Vincent
TI Evaluating the characteristics of multiwall carbon nanotubes
SO CARBON
LA English
DT Review
ID CHEMICAL-VAPOR-DEPOSITION; RAMAN-SCATTERING; THERMOGRAVIMETRIC ANALYSIS;
PYROELECTRIC DETECTOR; ELECTRONIC-STRUCTURE; OPTICAL-PROPERTIES;
GRAPHENE LAYERS; SURFACE-AREA; OXIDATION; CVD
AB During the past 20 years, multiwall carbon nanotubes (MWCNTs) have become an important industrial material. Hundreds of tons are produced each year. This review is a survey of the scientific literature, motivated by industrial requirements and guidelines for environment, health and safety compliance. Sampling, size, area, density, color, crystallinity, as well as purity compared to properties of non-MWCNT carbon and catalyst metals, are presented. No single measurement tool provides a complete characterization; therefore, we summarize methods that include scanning electron microscopy, transmission electron microscopy (TEM), fast Fourier transform of high-resolution TEM, Raman spectroscopy, reflectance and thermogravimetric analysis. Fourier transform infrared spectroscopy reveals information with regard to functional groups interacting the tube surface. Brunauer-Emmett-Teller (BET) analysis is reviewed as the basis for evaluating specific surface area. We extend the review by presenting taxonomy of defects present in MWCNTs. Finally, we provide an appendix from documentary standards that are pertinent and reasonable for bulk measurements. Published by Elsevier Ltd.
C1 [Lehman, John H.] Natl Inst Stand & Technol, Div Optoelect, Phys Measurement Lab, Boulder, CO 80305 USA.
[Terrones, Mauricio] Shinshu Univ, Res Ctr Exot Nanocarbons JST, Nagano 3808553, Japan.
[Terrones, Mauricio] Penn State Univ, Dept Mat Sci & Engn, Dept Phys, Davey Lab 104, University Pk, PA 16802 USA.
[Terrones, Mauricio] Penn State Univ, Mat Res Inst, Davey Lab 104, University Pk, PA 16802 USA.
[Mansfield, Elisabeth] Natl Inst Stand & Technol, Div Mat Reliabil, Mat Measurement Lab, Boulder, CO 80305 USA.
[Hurst, Katherine E.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Meunier, Vincent] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA.
RP Lehman, JH (reprint author), Natl Inst Stand & Technol, Div Optoelect, Phys Measurement Lab, 325 Broadway, Boulder, CO 80305 USA.
EM lehman@boulder.nist.gov
RI Mansfield, Elisabeth/C-5258-2012; Meunier, Vincent/F-9391-2010;
Terrones, Mauricio/B-3829-2014
OI Mansfield, Elisabeth/0000-0003-2463-0966; Meunier,
Vincent/0000-0002-7013-179X;
FU JST-Japan
FX Thanks to Prof. M.S. Dresslhaus for helpful feedback regarding this
review. M.T. thanks JST-Japan for funding the Research Center for Exotic
NanoCarbons, under the Japanese regional Innovation Strategy Program by
the Excellence. Thanks to Robert Keller for comments regarding imaging.
NR 113
TC 261
Z9 264
U1 23
U2 211
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 JUL
PY 2011
VL 49
IS 8
BP 2581
EP 2602
DI 10.1016/j.carbon.2011.03.028
PG 22
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 757KM
UT WOS:000290083900001
ER
PT J
AU Potts, JR
Lee, SH
Alam, TM
An, J
Stoller, MD
Piner, RD
Ruoff, RS
AF Potts, Jeffrey R.
Lee, Sun Hwa
Alam, Todd M.
An, Jinho
Stoller, Meryl D.
Piner, Richard D.
Ruoff, Rodney S.
TI Thermomechanical properties of chemically modified graphene/poly(methyl
methacrylate) composites made by in situ polymerization
SO CARBON
LA English
DT Article
ID EXFOLIATED GRAPHITE OXIDE; SINGLE GRAPHENE SHEETS; AQUEOUS DISPERSIONS;
ELASTIC PROPERTIES; ORGANIC-SOLVENTS; NANOCOMPOSITES; NANOSHEETS;
REDUCTION; INCLUSIONS
AB The morphology and thermomechanical properties of composites of poly(methyl methacrylate) (PMMA) and chemically modified graphene (CMG) fillers were investigated. For composites made by in situ polymerization, large shifts in the glass transition temperature were observed with loadings as low as 0.05 wt.% for both chemically-reduced graphene oxide (RG-O) and graphene oxide (G-O)-filled composites. The elastic modulus of the composites improved by as much as 28% at just 1 wt.% loading. Mori-Tanaka theory was used to quantify dispersion, suggesting platelet aspect ratios greater than 100 at low loadings and a lower quality of dispersion at higher loadings. Fracture strength increased for G-O/PMMA composites but decreased for RG-O/PMMA composites. Wide angle X-ray scattering suggested an exfoliated morphology of both types of CMG fillers dispersed in the PMMA matrix, while transmission electron microscopy revealed that the platelets adopt a wrinkled morphology when dispersed in the matrix. Both techniques suggested similar exfoliation and dispersion of both types of CMG filler. Structural characterization of the resulting composites using gel permeation chromatography and solid state nuclear magnetic resonance showed no change in the polymer structure with increased loading of CMG filler. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Potts, Jeffrey R.; An, Jinho; Stoller, Meryl D.; Piner, Richard D.; Ruoff, Rodney S.] Univ Texas Austin, Dept Mech Engn, Austin, TX 78712 USA.
[Potts, Jeffrey R.; An, Jinho; Stoller, Meryl D.; Piner, Richard D.; Ruoff, Rodney S.] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA.
[Lee, Sun Hwa] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea.
[Alam, Todd M.] Sandia Natl Labs, Dept Elect & Nanostruct Mat, Albuquerque, NM 87185 USA.
RP Ruoff, RS (reprint author), Univ Texas Austin, Dept Mech Engn, 1 Univ Stn C2200, Austin, TX 78712 USA.
EM r.ruoff@mail.utexas.edu
RI Lee, Sun Hwa/N-6779-2014; Ruoff, Rodney/K-3879-2015
OI Lee, Sun Hwa/0000-0003-1368-1274;
FU Laboratory Directed Research and Development (LDRD); National Institute
for Nano-Engineering at Sandia National Laboratories
FX The authors would like to thank Prof. Don Paul for use of the melt
compounding and injection molding equipment, Prof. Ken Liechti for use
of mechanical testing equipment, and Prof. Chris Bielawski for use of
the GPC and IR spectrometer. This work was supported (in part) by the
Laboratory Directed Research and Development (LDRD) program and the
National Institute for Nano-Engineering 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 US Department of Energy's National Nuclear Security
Administration.
NR 32
TC 90
Z9 90
U1 5
U2 108
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 JUL
PY 2011
VL 49
IS 8
BP 2615
EP 2623
DI 10.1016/j.carbon.2011.02.023
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 757KM
UT WOS:000290083900003
ER
PT J
AU Roberts, HLL
Chang, L
Cloet, IC
Roberts, CD
AF Roberts, Hannes L. L.
Chang, Lei
Cloet, Ian C.
Roberts, Craig D.
TI Masses of Ground- and Excited-State Hadrons
SO FEW-BODY SYSTEMS
LA English
DT Article
ID DYSON-SCHWINGER EQUATIONS; JONA-LASINIO MODEL; DECUPLET BARYONS; LADDER
APPROXIMATION; FADDEEV APPROACH; QUARK-MODEL; NJL MODEL; QCD; NUCLEON;
PHYSICS
AB We present the first Dyson-Schwinger equation calculation of the light hadron spectrum that simultaneously correlates the masses of meson and baryon ground- and excited-states within a single framework. At the core of our analysis is a symmetry-preserving treatment of a vector-vector contact interaction. In comparison with relevant quantities the root-mean-square-relative-error/degree-of freedom is 13%. Notable amongst our results is agreement between the computed baryon masses and the bare masses employed in modern dynamical coupled-channels models of pion-nucleon reactions. Our analysis provides insight into numerous aspects of baryon structure; e.g., relationships between the nucleon and Delta masses and those of the dressed-quark and diquark correlations they contain.
C1 [Roberts, Hannes L. L.; Chang, Lei; Roberts, Craig D.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Cloet, Ian C.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Roberts, Hannes L. L.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Chang, Lei; Roberts, Craig D.] Peking Univ, Dept Phys, Ctr High Energy Phys, Beijing 100871, Peoples R China.
[Chang, Lei; Roberts, Craig D.] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.
[Roberts, Craig D.] Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany.
RP Roberts, CD (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM cdroberts@anl.gov
OI Roberts, Craig/0000-0002-2937-1361
FU Forschungszentrum Julich GmbH; U. S. Department of Energy, Office of
Nuclear Physics [DE-FG03-97ER4014, DE-AC02-06CH11357]; Department of
Energy's Science Undergraduate Laboratory
FX We acknowledge valuable discussions with A. Bashir, M. Doring, S.
Krewald, T.S-H. Lee, C. Hanhart and S. M. Schmidt. This work was
supported by: Forschungszentrum Julich GmbH; the U. S. Department of
Energy, Office of Nuclear Physics, contract nos. DE-FG03-97ER4014 and
DE-AC02-06CH11357; and the Department of Energy's Science Undergraduate
Laboratory Internship programme.
NR 70
TC 47
Z9 47
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 JUL
PY 2011
VL 51
IS 1
BP 1
EP 25
DI 10.1007/s00601-011-0225-x
PG 25
WC Physics, Multidisciplinary
SC Physics
GA 756TS
UT WOS:000290038200001
ER
PT J
AU Renshaw, J
Holland, SD
Thompson, RB
Anderegg, J
AF Renshaw, Jeremy
Holland, Stephen D.
Thompson, R. Bruce
Anderegg, James
TI Vibration-induced tribological damage to fracture surfaces via
vibrothermography
SO INTERNATIONAL JOURNAL OF FATIGUE
LA English
DT Article
DE Vibrothermography; Fracture surface; Crack; Friction; Thermography
AB Vibrothermography is a nondestructive evaluation technique that uses a temperature-sensitive infrared (IR) camera that observes vibration-induced heat generation at defects, such as cracks, to detect and locate defects within a structure. Vibrothermography has been hindered by issues of repeatability even between consecutive experimental excitations on the same sample. This paper presents experimental evidence of tribological damage - or microscopic changes - that can occur on rubbing crack faces resulting from vibration-induced frictional heat generation. The observed changes include plastic deformation, fretting, adhesive wear, oxidation, and phase transformations, such as melting. These tribological damage mechanisms on the rubbing crack faces are partly responsible for the non-repeatability of vibrothermographic testing. These mechanisms can be minimized by limiting vibrational stresses, thus improving vibrothermographic repeatability. (C) 2011 Elsevier Ltd All rights reserved.
C1 [Renshaw, Jeremy; Holland, Stephen D.; Thompson, R. Bruce] Iowa State Univ, Ctr NDE, Ames, IA 50011 USA.
[Anderegg, James] Ames Lab, Ames, IA 50010 USA.
RP Renshaw, J (reprint author), Iowa State Univ, Ctr NDE, 1917 Scholl Rd, Ames, IA 50011 USA.
EM jeremy.renshaw@areva.com
FU Air Force Research Laboratory [FA8650-04-C-5228]
FX This material is based upon work supported by the Air Force Research
Laboratory under Contract #FA8650-04-C-5228 at Iowa State University's
Center for NDE.
NR 17
TC 6
Z9 8
U1 1
U2 3
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0142-1123
EI 1879-3452
J9 INT J FATIGUE
JI Int. J. Fatigue
PD JUL
PY 2011
VL 33
IS 7
BP 849
EP 857
DI 10.1016/j.ijfatigue.2011.01.005
PG 9
WC Engineering, Mechanical; Materials Science, Multidisciplinary
SC Engineering; Materials Science
GA 751FM
UT WOS:000289602900003
ER
PT J
AU Bacuta, C
Vassilevski, PS
Zhang, SY
AF Bacuta, Constantin
Vassilevski, Panayot S.
Zhang, Shangyou
TI A New Approach For Solving Stokes Systems Arising from a Distributive
Relaxation Method
SO NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS
LA English
DT Article
DE distribution relaxation; penalty method; Stokes systems; Uzawa algorithm
AB The distributed relaxation method for the Stokes problem has been advertised as an adequate change of variables that leads to a lower triangular system with Laplace operators on the main diagonal for which multigrid methods are very efficient. We show that under high regularity of the Laplacian, the transformed system admits almost block-lower triangular form. We analyze the distributed relaxation method and compare it with other iterative methods for solving the Stokes system. We also present numerical experiments illustrating the effectiveness of the transformation which is well established for certain finite difference discretizations of Stokes problems. (C) 2010 Wiley Periodicals, Inc. Numer Methods Partial Differential Eq 27: 898-914, 2011
C1 [Bacuta, Constantin; Vassilevski, Panayot S.; Zhang, Shangyou] Univ Delaware, Dept Math Sci, Newark, DE 19716 USA.
[Bacuta, Constantin; Vassilevski, Panayot S.; Zhang, Shangyou] Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94550 USA.
RP Bacuta, C (reprint author), Univ Delaware, Dept Math Sci, Newark, DE 19716 USA.
EM bacuta@math.udel.edu
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; NSF [DMS-0713125, O1SE-0438765]; LLNL
FX Contract grant sponsor: U.S. Department of Energy by Lawrence Livermore
National Laboratory; contract grant number: DE-AC52-07NA27344; Contract
grant sponsor: NSF; contract grant numbers: DMS-0713125, O1SE-0438765;
Contract grant sponsor: LLNL
NR 11
TC 2
Z9 3
U1 0
U2 1
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0749-159X
J9 NUMER METH PART D E
JI Numer. Meth. Part Differ. Equ.
PD JUL
PY 2011
VL 27
IS 4
BP 898
EP 914
DI 10.1002/num.20560
PG 17
WC Mathematics, Applied
SC Mathematics
GA 749BV
UT WOS:000289438000010
ER
PT J
AU Liraz-Zaltsman, S
Alexandrovich, AG
Trembovler, V
Fishbein, I
Yaka, R
Shohami, E
Biegon, A
AF Liraz-Zaltsman, Sigal
Alexandrovich, Alexander G.
Trembovler, Victoria
Fishbein, Ianai
Yaka, Rami
Shohami, Esther
Biegon, Anat
TI Regional Sensitivity to Neuroinflammation: In Vivo and In Vitro Studies
SO SYNAPSE
LA English
DT Article
DE neuroinflammation; regional sensitivity; autoradiography; cognitive
deficits; LPS; peripheral benzodiazepine receptors; translocator protein
ID PERIPHERAL BENZODIAZEPINE-RECEPTORS; CENTRAL-NERVOUS-SYSTEM; TRAUMATIC
BRAIN-INJURY; CLOSED-HEAD INJURY; PROTEIN 18 KDA; ACTIVATED MICROGLIA;
NMDA RECEPTORS; BINDING-SITES; RAT-BRAIN; COGNITIVE IMPAIRMENT
AB Background: Neuroinflammation is involved in several acute-onset neuropathologies such as meningitis, encephalitis, stroke, and traumatic brain injury as well as in neurodegenerative diseases. All of these patholologies are associated with cognitive deficits. Using a model of pure neuroinflammation (intracisternal injection of endotoxin in mice), we tested the hypothesis that brain regions involved in cognition are the most vulnerable to inflammatory insults, and this vulnerability is an inherent property of neocortical neurons. Methods: Mice (n = 10/group) injected with endotoxin (LPS) or saline in the cisterna magna underwent neurobehavioral and cognitive testing followed by quantitative autoradiographic assessment of regional neuroinflammation with [3H]PK11195, an established marker of microgliosis. In parallel, cocultures of cortical and striatal neurons taken from embryonic day 19 rat embryos or postnatal day 1 mice expressing green fluorescent protein were exposed for 24 h to the proinflammatory cytokine TNFalpha, glutamate, or a combination of the two agents. Results: LPS-treated mice exhibited significant deficits in memory and significant increases in specific PK11195 binding in cortical and hippocampal regions, but not in striatum. Cultured neurons of cortical origin showed significantly lower survival rate relative to striatal neurons in response to TNFalpha, glutamate, or a combination of the two agents. Furthermore, TNFalpha exerted neuroprotective rather than neurotoxic effects in the striatal but not in the cortical neurons. Conclusions: These results suggest that the cortex is inherently more sensitive than the striatum to the deleterious effects of neuroinflammation, and may offer an explanation for the preponderance of cognitive deficits in neuropathologies with a neuroinflammatory component. Synapse 65: 634-642, 2011. (C) 2010 Wiley-Liss, Inc.
C1 [Liraz-Zaltsman, Sigal; Biegon, Anat] Sheba Med Ctr, Joseph Sagol Neurosci Ctr, Ramat Gan, Israel.
[Liraz-Zaltsman, Sigal; Alexandrovich, Alexander G.; Trembovler, Victoria; Yaka, Rami; Shohami, Esther] Hebrew Univ Jerusalem, Sch Pharm, Dept Pharmacol, IL-91120 Jerusalem, Israel.
[Yaka, Rami] Weizmann Inst Sci, Dept Neurobiol, IL-76100 Rehovot, Israel.
[Biegon, Anat] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
RP Biegon, A (reprint author), Bldg 490 Med, Upton, NY 11973 USA.
EM biegon@bnl.gov
FU BSF [2005-021-01]
FX Contract grant sponsor: BSF; Contract grant number: 2005-021-01
NR 40
TC 11
Z9 11
U1 0
U2 4
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0887-4476
J9 SYNAPSE
JI Synapse
PD JUL
PY 2011
VL 65
IS 7
BP 634
EP 642
DI 10.1002/syn.20889
PG 9
WC Neurosciences
SC Neurosciences & Neurology
GA 748WY
UT WOS:000289424900010
PM 21108236
ER
PT J
AU Tsai, A
Tucker, D
Groves, C
AF Tsai, Alex
Tucker, David
Groves, Craig
TI Improved Controller Performance of Selected Hybrid SOFC-GT Plant Signals
Based on Practical Control Schemes
SO JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE
ASME
LA English
DT Article
AB This paper compares and demonstrates the efficacy of implementing two practical single input single output multiloop control schemes on the dynamic performance of selected signals of a solid oxide fuel cell gas turbine (SOFC-GT) hybrid simulation facility. The hybrid plant located at the U. S. Department of Energy National Energy Technology Laboratory in Morgantown, WV is capable of simulating the interaction between a 350 kW solid oxide fuel cell and a 120 kW gas turbine using a hardware in the loop configuration. Previous studies have shown that the thermal management of coal based SOFC-GT hybrid systems is accomplished by the careful control of the cathode air stream within the fuel cell (FC). Decoupled centralized and dynamic decentralized control schemes are tested for one critical airflow bypass loop to regulate cathode FC airflow and modulation of turbine electric load to maintain synchronous turbine speed during system transients. Improvements to the studied multivariate architectures include: feed-forward control for disturbance rejection, antiwindup compensation for actuator saturation, gain scheduling for adaptive operation, bumpless transfer for manual to auto switching, and adequate filter design for the inclusion of derivative action. Controller gain tuning is accomplished by Skogestad's internal model control tuning rules derived from empirical first order plus delay time transfer function models of the hybrid facility. Avoidance of strong input-output coupling interactions is achieved via relative gain array, Niederlinski index, and decomposed relative interaction analysis, following recent methodologies in proportional integral derivative control theory for multivariable processes. [DOI: 10.1115/1.4002253]
C1 [Tsai, Alex; Tucker, David] Natl Energy Technol Lab, Morgantown, WV 26505 USA.
[Groves, Craig] Georgia Inst Technol, Atlanta, GA 30332 USA.
RP Tsai, A (reprint author), Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26505 USA.
EM alex.tsai@netl.doe.gov; david.tucker@netl.doe.gov; cgroves3@gatech.edu
FU Oak Ridge Institute for Science and Education
FX The authors would like to acknowledge Ms. Susan Shoemaker for her
invaluable insight and assistance in the programming and design of
HYPER's control algorithms. This research was possible in part, thanks
to a postdoctoral fellowship offered by the Oak Ridge Institute for
Science and Education.
NR 18
TC 1
Z9 1
U1 1
U2 5
PU ASME
PI NEW YORK
PA TWO PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0742-4795
EI 1528-8919
J9 J ENG GAS TURB POWER
JI J. Eng. Gas. Turbines Power-Trans. ASME
PD JUL
PY 2011
VL 133
IS 7
AR 071702
DI 10.1115/1.4002253
PG 11
WC Engineering, Mechanical
SC Engineering
GA 740PW
UT WOS:000288807900007
ER
PT J
AU Lin, ZP
Li, SD
Liu, M
Tsai, SY
Duh, JG
Liu, MM
Xu, F
AF Lin, Zhiping
Li, Shandong
Liu, Ming
Tsai, Su-Yueh
Duh, Jenq-Gong
Liu, Meimei
Xu, Feng
TI The magnetic entropy change in La0.8Ce0.2Fe11.4Si1.6Bx compounds
prepared by copper-mold casting
SO JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
LA English
DT Article
DE Magnetocaloric effect; Copper-mold casting; Thermal lag; Magnetic
hysteresis
ID METAMAGNETIC TRANSITION; PHASE-TRANSITION; ROOM-TEMPERATURE;
LA(FEXSI1-X)(13); LAFE11.4SI1.6; GD-5(SI2GE2); LA
AB The magnetocaloric effect (MCE) of La0.8Ce0.2Fe11.4Si1.6Bx (x = 0.0-0.5) compounds, prepared by a copper-mold casting (CMC) method, has been investigated. Comparing with the conventional arc-melting (CAM) method, the relatively homogenous composition and microstructure were achieved in the precursor alloys prepared by the CMC method. As a result, the annealing time is dramatically shortened from several weeks for CAM alloys to 2 h for CMC alloys, suggesting that CMC method is a time-saving and energy-saving method for fabrication of MCE alloys. On the other hand, it is revealed that B addition gives rise to an enhancement of Curie temperature (T-C), a reduction of thermal lag and magnetic hysteresis and a broadening of working temperature span as well. Although the peak value of magnetic entropy change decreases with B content, various B-contained compounds hold close refrigerant capacities. Comprehensively considering magnetocaloric properties of the B-contained La0.8Ce0.2Fe11.4Si1.6Bx compounds, it can be concluded that the B-contained compounds prepared by CMC method are promising candidates of magnetocaloric materials in practical application. (C) 2011 Elsevier B. V. All rights reserved.
C1 [Lin, Zhiping; Li, Shandong] Fujian Normal Univ, Dept Phys, Fuzhou 350007, Peoples R China.
[Liu, Ming] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Tsai, Su-Yueh] Natl Tsing Hua Univ, Precis Instrument Ctr, EPMA Lab, Hsinchu 30013, Taiwan.
[Duh, Jenq-Gong] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan.
[Liu, Meimei] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 350201, Zhejiang, Peoples R China.
[Xu, Feng] Nanjing Univ Sci & Technol, Dept Mat Sci & Engn, Nanjing 210094, Peoples R China.
RP Li, SD (reprint author), Fujian Normal Univ, Dept Phys, Fuzhou 350007, Peoples R China.
EM dylsd007@yahoo.com.cn
RI Liu, Ming/B-4143-2009
OI Liu, Ming/0000-0002-6310-948X
FU Program for New Century Excellent Talents in University [NCET-08-0631];
NSFC [11074040, 10904071]; Ministry of Economics, Taiwan; [2010J06001];
[2009H0019]; [SBK2009 22570]; [2008100217]; [98-EC-17-A-08-S1-003]
FX This work was financially supported by the Program for New Century
Excellent Talents in University (NCET-08-0631), NSFC (11074040 and
10904071), 2010J06001, 2009H0019, SBK2009 22570, 2008100217 and
98-EC-17-A-08-S1-003, (Ministry of Economics, Taiwan).
NR 23
TC 8
Z9 8
U1 3
U2 16
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0304-8853
J9 J MAGN MAGN MATER
JI J. Magn. Magn. Mater.
PD JUL
PY 2011
VL 323
IS 13
BP 1741
EP 1744
DI 10.1016/j.jmmm.2010.12.038
PG 4
WC Materials Science, Multidisciplinary; Physics, Condensed Matter
SC Materials Science; Physics
GA 736IM
UT WOS:000288486700002
ER
PT J
AU Mitri, FG
Fellah, ZEA
AF Mitri, F. G.
Fellah, Z. E. A.
TI Axial acoustic radiation force of progressive cylindrical diverging
waves on a rigid and a soft cylinder immersed in an ideal compressible
fluid
SO ULTRASONICS
LA English
DT Article
DE Acoustic radiation force; Cylindrical diverging waves; Progressive
waves; Rigid cylinder; Soft cylinder
ID BESSEL BEAM; SOUND FIELD; SPHERE; TWEEZERS
AB Background and motivation: Previous works investigating the radiation force of diverging spherical progressive waves incident upon spherical particles have demonstrated the direction of reversal of the force when the particle is subjected to a curved wave-front. In this communication, the analysis is extended to the case of diverging cylindrical progressive waves incident upon a rigid or a soft cylinder in a nonviscous fluid with explicit calculations for the radiation force function (which is the radiation force per unit energy density and unit cross-sectional surface) not shown in [F.G. Mitri, Ultrasonics 50 (2010) 620-627].
Method: A closed-form solution presented previously in [F.G. Mitri, Ultrasonics 50 (2010) 620-627] is used to plot the radiation force function with particular emphasis on the difference from the results of incident plane progressive waves versus the size parameter ka (k is the wave number and a is the cylinder's radius) and the distance of the cylinder from the acoustic source r(0).
Results: Radiation force function calculations for the rigid cylinder unexpectedly reveal that under specific conditions determined by the frequency of the acoustic field, the radius of the cylinder, as well as the distance to the acoustic source, the force becomes attractive (negative force). In addition, the numerical results show that the radiation force on a rigid cylinder does not generally obey the inverse-distance law with respect to the distance from the source.
Conclusion and potential applications: These results suggest that it may be possible, under specific conditions, to pull a cylindrical structure back toward the acoustic source using progressive cylindrical diverging waves. They may also provide a means to predict the radiation force required to manipulate non-destructively a single cylindrical structure. Potential applications include the design of a new generation of acoustic tweezers operating using a single beam of progressive waves (in contrast to the traditional version of acoustical tweezers in which an acoustic standing wave field is produced using two counter-propagating acoustic fields) for investigations in the field of flow cytometry, particle manipulation and entrapment. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Mitri, F. G.] Los Alamos Natl Lab, Acoust & Sensors Technol Team, MPA 11, Los Alamos, NM 87545 USA.
[Fellah, Z. E. A.] CNRS UPR 7051, Lab Mecan & Acoust, F-13009 Marseille, France.
RP Mitri, FG (reprint author), Los Alamos Natl Lab, Acoust & Sensors Technol Team, MPA 11, MS D429, Los Alamos, NM 87545 USA.
EM mitri@lanl.gov
FU Los Alamos National Laboratory [LDRD-X9N9]
FX The financial support provided through a Director's fellowship
(LDRD-X9N9) from Los Alamos National Laboratory is gratefully
acknowledged. Disclosure: this unclassified publication, with the
following Reference No. LA-UR 10-08260, has been approved for unlimited
public release under DUSA ENSCI.
NR 23
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Z9 13
U1 1
U2 21
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0041-624X
EI 1874-9968
J9 ULTRASONICS
JI Ultrasonics
PD JUL
PY 2011
VL 51
IS 5
BP 523
EP 526
DI 10.1016/j.ultras.2010.12.004
PG 4
WC Acoustics; Radiology, Nuclear Medicine & Medical Imaging
SC Acoustics; Radiology, Nuclear Medicine & Medical Imaging
GA 730DW
UT WOS:000288014000001
PM 21339000
ER
PT J
AU Mitri, FG
AF Mitri, F. G.
TI Axial time-averaged acoustic radiation force on a cylinder in a
nonviscous fluid revisited (vol 50, pg 620, 2010)
SO ULTRASONICS
LA English
DT Correction
C1 Los Alamos Natl Lab, Acoust & Sensors Technol Team, MPA 11, Los Alamos, NM 87545 USA.
RP Mitri, FG (reprint author), Los Alamos Natl Lab, Acoust & Sensors Technol Team, MPA 11, MS D429, Los Alamos, NM 87545 USA.
EM mitri@lanl.gov
NR 1
TC 2
Z9 2
U1 0
U2 3
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0041-624X
J9 ULTRASONICS
JI Ultrasonics
PD JUL
PY 2011
VL 51
IS 5
BP 645
EP 645
DI 10.1016/j.ultras.2010.12.013
PG 1
WC Acoustics; Radiology, Nuclear Medicine & Medical Imaging
SC Acoustics; Radiology, Nuclear Medicine & Medical Imaging
GA 730DW
UT WOS:000288014000018
ER
PT J
AU Yoon, KJ
Stevenson, JW
Marina, OA
AF Yoon, Kyung Joong
Stevenson, Jeffry W.
Marina, Olga A.
TI Effect of nickel substitution on defect chemistry, electrical
properties, and dimensional stability of calcium-doped yttrium chromite
SO SOLID STATE IONICS
LA English
DT Article
DE Doped yttrium chromite; Defect model; Electrical conductivity; Chemical
expansion
ID OXIDE FUEL-CELLS; THERMAL TRANSPORT-PROPERTIES; LANTHANUM CHROMITES;
INTERCONNECT MATERIAL; SEEBECK COEFFICIENT; HIGH-TEMPERATURE;
CONDUCTIVITY; LACRO3; NONSTOICHIOMETRY; EXPANSION
AB The effect of nickel substitution on defect chemistry, electrical properties, and dimensional stability of calcium-doped yttrium chromite was studied for use as an interconnect material in high temperature solid oxide fuel cells (SOFCs). The compositions of Y0.8Ca0.2Cr1-xNixO3 +/-delta(x = 0-0.15), prepared using the glycine nitrate process, showed single phase orthorhombic perovskite structures over a wide range of oxygen partial pressures (4.6 x 10(-20) atm <= pO(2)<= 0.21 atm at 900 degrees C). X-ray diffraction (XRD) analysis indicated that most of the nickel ions replacing chromium ions are divalent and act as acceptor dopants, leading to a substantial increase in conductivity. In particular, the conductivity at 900 degrees C in air increased from 10 S/cm to 34 S/cm with 15% nickel substitution, and an increase in charge carrier density was confirmed by Seebeck measurements, which validated the predominant Ni2+ oxidation state. A point defect model was derived, and the relationship between electrical conductivity and oxygen partial pressure was successfully fitted into the proposed model. The defect modeling results indicated that nickel substitution improves the stability of calcium-doped yttrium chromite toward reduction and suppresses the oxygen vacancy formation, which results in significantly increased electrical conductivity in reducing environment. The electrical conductivity of Y0.8Ca0.2Cr0.85Ni0.15O3 +/-delta at 900 degrees C in reducing atmosphere (pO(2)=10(-17) atm) was 5.8 S/cm, which was more than an order of magnitude higher than that of Y0.8Ca0.2CrO3 +/-delta (0.2 S/cm). Improved stability in reducing atmosphere was further confirmed by dilatometry measurements showing reduced isothermal "chemical" expansion, and the isothermal expansion in reducing atmosphere (pO(2)=10(-17) atm) at 900 degrees C decreased from 0.07% for Y0.8Ca0.2CrO3 +/-delta to 0.03% for Y0.8Ca0.2Cr0.85Ni0.15O3 +/-delta. Based on these results, enhanced electrical performance and mechanical integrity is expected with nickel substitution on calcium-doped yttrium chromite in SOFC operating conditions. (C) 2011 Elsevier B.V. All rights reserved.
C1 [Yoon, Kyung Joong; Stevenson, Jeffry W.; Marina, Olga A.] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Yoon, KJ (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99354 USA.
EM kyungjoong.yoon@pnl.gov
FU U.S. Department of Energy; [DE-AC06-76RLO 1830]
FX The authors appreciate the XRD analysis performed by Carolyn N. Cramer.
The work summarized in this paper was funded by the U.S. Department of
Energy's Solid-State Energy Conversion Alliance (SECA) Core Technology
Program. PNNL is operated by Battelle Memorial Institute for the U.S.
Department of Energy under Contract DE-AC06-76RLO 1830.
NR 40
TC 5
Z9 5
U1 1
U2 15
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-2738
EI 1872-7689
J9 SOLID STATE IONICS
JI Solid State Ion.
PD JUN 30
PY 2011
VL 193
IS 1
BP 60
EP 65
DI 10.1016/j.ssi.2011.04.008
PG 6
WC Chemistry, Physical; Physics, Condensed Matter
SC Chemistry; Physics
GA 795BH
UT WOS:000292946000010
ER
PT J
AU Smathers, RL
Galligan, JJ
Stewart, BJ
Petersen, DR
AF Smathers, Rebecca L.
Galligan, James J.
Stewart, Benjamin J.
Petersen, Dennis R.
TI Overview of lipid peroxidation products and hepatic protein modification
in alcoholic liver disease
SO CHEMICO-BIOLOGICAL INTERACTIONS
LA English
DT Article; Proceedings Paper
CT 18th International Conference on Biological Reactive Intermediates
CY JUL 15-18, 2010
CL Parc Recerca Biomedica, Barcelona, SPAIN
HO Parc Recerca Biomedica
DE Alcoholic liver disease; Oxidative stress; Proteomics; Hepatic 4-HNE
modified proteins
ID ACID-BINDING PROTEIN; ENDOPLASMIC-RETICULUM STRESS; PEROXIREDOXIN 6;
COVALENT MODIFICATION; IN-VITRO; ETHANOL; INJURY; MODEL; RAT;
MALONDIALDEHYDE
AB Objectives: Oxidative stress is one component of alcoholic liver disease (ALD) that is manifested in the peroxidation of cellular lipids producing the electrophile, 4-hydroxynonenal (4-HNE). This electrophile is proposed to modify essential cellular proteins resulting in loss of protein function and cellular homeostasis. Studies were initiated to identify hepatic proteins that are targets of 4-HNE modification and determine their relationship with progression of the early stages of ALD.
Methods: Rat and mouse models were developed using the Lieber-DeCarli diet to simulate early stages of ALD consisting of fatty liver (steatosis) and hepatocellular injury indicated by a 1.5-2-fold elevation of plasma ALT activity. Liver samples obtained from control and ethanol treated animals were subjected to two-dimensional electrophoresis and immunoblotting using polyclonal antibodies generated against 4-HNE epitopes for detection of proteins modified by 4-HNE. Following identification of 4-HNE adducted proteins, the respective recombinant proteins modified with physiologic concentrations of 4-HNE were evaluated to determine the functional consequences of 4-HNE modification.
Results: One group of proteins identified included Hsp70. Hsp90 and protein disulfide isomerase (PDI), all of which are involved in protein folding or processing are targets of adduction. In vitro assays indicated significant impairment of the protein activities following modification with physiologically relevant concentrations of 4-HNE. Liver fatty acid binding protein. L-FABP, was also identified as a target and additional studies revealed that the levels of this protein were significantly decreased because of chronic ethanol ingestion. Erk1/2 was identified as a target for modification and subsequently determined to have impaired activity.
Conclusions: Inhibition of Hsp70, Hsp90 and PDI function could be involved in initiation of the early phases of ER stress contributing to stimulation and accumulation of hepatic lipids. Likewise, impairment of L-FABP activity could also disrupt lipid transport also contributing to steatosis. The modification and inhibition of Erk1/2 by 4-HNE may also contribute to the decreased hepatocellular proliferation associated with ALD. Collectively, these results provide new information concerning the mechanisms whereby the modification of hepatic proteins by 4-HNE contributes to ALD. Published by Elsevier Ireland Ltd
C1 [Smathers, Rebecca L.; Petersen, Dennis R.] Univ Colorado Denver, Dept Pharmaceut Sci, Mol Toxicol Program, Aurora, CO 80045 USA.
[Galligan, James J.] Univ Colorado Denver, Dept Pharmacol, Aurora, CO 80045 USA.
[Stewart, Benjamin J.] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Petersen, DR (reprint author), Univ Colorado Denver, Dept Pharmaceut Sci, Mol Toxicol Program, Mail Stop C238-P15,Res Complex 2,Room 3013,12700, Aurora, CO 80045 USA.
EM Dennis.Petersen@uchsc.edu
RI McCullough, Rebecca/I-4081-2014; Galligan, James/A-5041-2015
FU NIAAA NIH HHS [5 F31 AA018898-02, F31 AA018898, F31 AA018898-02, R37
AA009300, R37 AA009300-15, R37AA09300]; NIDDK NIH HHS [R01 DK074487, R01
DK074487-01, R01 DK074487-01A2]
NR 36
TC 57
Z9 63
U1 0
U2 9
PU ELSEVIER IRELAND LTD
PI CLARE
PA ELSEVIER HOUSE, BROOKVALE PLAZA, EAST PARK SHANNON, CO, CLARE, 00000,
IRELAND
SN 0009-2797
J9 CHEM-BIOL INTERACT
JI Chem.-Biol. Interact.
PD JUN 30
PY 2011
VL 192
IS 1-2
SI SI
BP 107
EP 112
DI 10.1016/j.cbi.2011.02.021
PG 6
WC Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Toxicology
SC Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Toxicology
GA 788HD
UT WOS:000292435100018
PM 21354120
ER
PT J
AU Bell, D
Berchuck, A
Birrer, M
Chien, J
Cramer, DW
Dao, F
Dhir, R
DiSaia, P
Gabra, H
Glenn, P
Godwin, AK
Gross, J
Hartmann, L
Huang, M
Huntsman, DG
Iacocca, M
Imielinski, M
Kalloger, S
Karlan, BY
Levine, DA
Mills, GB
Morrison, C
Mutch, D
Olvera, N
Orsulic, S
Park, K
Petrelli, N
Rabeno, B
Rader, JS
Sikic, BI
Smith-McCune, K
Sood, AK
Bowtell, D
Penny, R
Testa, JR
Chang, K
Dinh, HH
Drummond, JA
Fowler, G
Gunaratne, P
Hawes, AC
Kovar, CL
Lewis, LR
Morgan, MB
Newsham, IF
Santibanez, J
Reid, JG
Trevino, LR
Wu, YQ
Wang, M
Muzny, DM
Wheeler, DA
Gibbs, RA
Getz, G
Lawrence, MS
Cibulskis, K
Sivachenko, AY
Sougnez, C
Voet, D
Wilkinson, J
Bloom, T
Ardlie, K
Fennell, T
Baldwin, J
Gabriel, S
Lander, ES
Ding, L
Fulton, RS
Koboldt, DC
McLellan, MD
Wylie, T
Walker, J
O'Laughlin, M
Dooling, DJ
Fulton, L
Abbott, R
Dees, ND
Zhang, Q
Kandoth, C
Wendl, M
Schierding, W
Shen, D
Harris, CC
Schmidt, H
Kalicki, J
Delehaunty, KD
Fronick, CC
Demeter, R
Cook, L
Wallis, JW
Lin, L
Magrini, VJ
Hodges, JS
Eldred, JM
Smith, SM
Pohl, CS
Vandin, F
Raphael, BJ
Weinstock, GM
Mardis, R
Wilson, RK
Meyerson, M
Winckler, W
Getz, G
Verhaak, RGW
Carter, SL
Mermel, CH
Saksena, G
Nguyen, H
Onofrio, RC
Lawrence, MS
Hubbard, D
Gupta, S
Crenshaw, A
Ramos, AH
Ardlie, K
Chin, L
Protopopov, A
Zhang, JH
Kim, TM
Perna, I
Xiao, Y
Zhang, H
Ren, G
Sathiamoorthy, N
Park, RW
Lee, E
Park, PJ
Kucherlapati, R
Absher, DM
Waite, L
Sherlock, G
Brooks, JD
Li, JZ
Xu, J
Myers, RM
Laird, PW
Cope, L
Herman, JG
Shen, H
Weisenberger, DJ
Noushmehr, H
Pan, F
Triche, T
Berman, BP
Van den Berg, DJ
Buckley, J
Baylin, SB
Spellman, PT
Purdom, E
Neuvial, P
Bengtsson, H
Jakkula, LR
Durinck, S
Han, J
Dorton, S
Marr, H
Choi, YG
Wang, V
Wang, NJ
Ngai, J
Conboy, JG
Parvin, B
Feiler, HS
Speed, TP
Gray, JW
Levine, DA
Socci, ND
Liang, Y
Taylor, BS
Schultz, N
Borsu, L
Lash, AE
Brennan, C
Viale, A
Sander, C
Ladanyi, M
Hoadley, KA
Meng, S
Du, Y
Shi, Y
Li, L
Turman, YJ
Zang, D
Helms, EB
Balu, S
Zhou, X
Wu, J
Topal, MD
Hayes, DN
Perou, CM
Getz, G
Voet, D
Saksena, G
Zhang, JNH
Zhang, H
Wu, CJ
Shukla, S
Cibulskis, K
Lawrence, MS
Sivachenko, A
Jing, R
Park, RW
Liu, Y
Park, PJ
Noble, M
Chin, L
Carter, H
Kim, D
Karchin, R
Spellman, PT
Purdom, E
Neuvial, P
Bengtsson, H
Durinck, S
Han, J
Korkola, JE
Heiser, LM
Cho, RJ
Hu, Z
Parvin, B
Speed, TP
Gray, JW
Schultz, N
Cerami, E
Taylor, BS
Olshen, A
Reva, B
Antipin, Y
Shen, R
Mankoo, P
Sheridan, R
Ciriello, G
Chang, WK
Bernanke, JA
Borsu, L
Levine, DA
Ladanyi, M
Sander, C
Haussler, D
Benz, CC
Stuart, JM
Benz, SC
Sanborn, JZ
Vaske, CJ
Zhu, J
Szeto, C
Scott, GK
Yau, C
Hoadley, KA
Du, Y
Balu, S
Hayes, DN
Perou, CM
Wilkerson, MD
Zhang, N
Akbani, R
Baggerly, KA
Yung, WK
Mills, GB
Weinstein, JN
Penny, R
Shelton, T
Grimm, D
Hatfield, M
Morris, S
Yena, P
Rhodes, P
Sherman, M
Paulauskis, J
Millis, S
Kahn, A
Greene, JM
Sfeir, R
Jensen, MA
Chen, J
Whitmore, J
Alonso, S
Jordan, J
Chu, A
Zhang, JH
Barker, A
Compton, C
Eley, G
Ferguson, M
Fielding, P
Gerhard, DS
Myles, R
Schaefer, C
Shaw, KRM
Vaught, J
Vockley, JB
Good, PJ
Guyer, MS
Ozenberger, B
Peterson, J
Thomson, E
AF Bell, D.
Berchuck, A.
Birrer, M.
Chien, J.
Cramer, D. W.
Dao, F.
Dhir, R.
DiSaia, P.
Gabra, H.
Glenn, P.
Godwin, A. K.
Gross, J.
Hartmann, L.
Huang, M.
Huntsman, D. G.
Iacocca, M.
Imielinski, M.
Kalloger, S.
Karlan, B. Y.
Levine, D. A.
Mills, G. B.
Morrison, C.
Mutch, D.
Olvera, N.
Orsulic, S.
Park, K.
Petrelli, N.
Rabeno, B.
Rader, J. S.
Sikic, B. I.
Smith-McCune, K.
Sood, A. K.
Bowtell, D.
Penny, R.
Testa, J. R.
Chang, K.
Dinh, H. H.
Drummond, J. A.
Fowler, G.
Gunaratne, P.
Hawes, A. C.
Kovar, C. L.
Lewis, L. R.
Morgan, M. B.
Newsham, I. F.
Santibanez, J.
Reid, J. G.
Trevino, L. R.
Wu, Y. -Q.
Wang, M.
Muzny, D. M.
Wheeler, D. A.
Gibbs, R. A.
Getz, G.
Lawrence, M. S.
Cibulskis, K.
Sivachenko, A. Y.
Sougnez, C.
Voet, D.
Wilkinson, J.
Bloom, T.
Ardlie, K.
Fennell, T.
Baldwin, J.
Gabriel, S.
Lander, E. S.
Ding, L.
Fulton, R. S.
Koboldt, D. C.
McLellan, M. D.
Wylie, T.
Walker, J.
O'Laughlin, M.
Dooling, D. J.
Fulton, L.
Abbott, R.
Dees, N. D.
Zhang, Q.
Kandoth, C.
Wendl, M.
Schierding, W.
Shen, D.
Harris, C. C.
Schmidt, H.
Kalicki, J.
Delehaunty, K. D.
Fronick, C. C.
Demeter, R.
Cook, L.
Wallis, J. W.
Lin, L.
Magrini, V. J.
Hodges, J. S.
Eldred, J. M.
Smith, S. M.
Pohl, C. S.
Vandin, F.
Raphael, B. J.
Weinstock, G. M.
Mardis, R.
Wilson, R. K.
Meyerson, M.
Winckler, W.
Getz, G.
Verhaak, R. G. W.
Carter, S. L.
Mermel, C. H.
Saksena, G.
Nguyen, H.
Onofrio, R. C.
Lawrence, M. S.
Hubbard, D.
Gupta, S.
Crenshaw, A.
Ramos, A. H.
Ardlie, K.
Chin, L.
Protopopov, A.
Zhang, Juinhua
Kim, T. M.
Perna, I.
Xiao, Y.
Zhang, H.
Ren, G.
Sathiamoorthy, N.
Park, R. W.
Lee, E.
Park, P. J.
Kucherlapati, R.
Absher, D. M.
Waite, L.
Sherlock, G.
Brooks, J. D.
Li, J. Z.
Xu, J.
Myers, R. M.
Laird, P. W.
Cope, L.
Herman, J. G.
Shen, H.
Weisenberger, D. J.
Noushmehr, H.
Pan, F.
Triche, T., Jr.
Berman, B. P.
Van den Berg, D. J.
Buckley, J.
Baylin, S. B.
Spellman, P. T.
Purdom, E.
Neuvial, P.
Bengtsson, H.
Jakkula, L. R.
Durinck, S.
Han, J.
Dorton, S.
Marr, H.
Choi, Y. G.
Wang, V.
Wang, N. J.
Ngai, J.
Conboy, J. G.
Parvin, B.
Feiler, H. S.
Speed, T. P.
Gray, J. W.
Levine, D. A.
Socci, N. D.
Liang, Y.
Taylor, B. S.
Schultz, N.
Borsu, L.
Lash, A. E.
Brennan, C.
Viale, A.
Sander, C.
Ladanyi, M.
Hoadley, K. A.
Meng, S.
Du, Y.
Shi, Y.
Li, L.
Turman, Y. J.
Zang, D.
Helms, E. B.
Balu, S.
Zhou, X.
Wu, J.
Topal, M. D.
Hayes, D. N.
Perou, C. M.
Getz, G.
Voet, D.
Saksena, G.
Zhang, Junihua
Zhang, H.
Wu, C. J.
Shukla, S.
Cibulskis, K.
Lawrence, M. S.
Sivachenko, A.
Jing, R.
Park, R. W.
Liu, Y.
Park, P. J.
Noble, M.
Chin, L.
Carter, H.
Kim, D.
Karchin, R.
Spellman, P. T.
Purdom, E.
Neuvial, P.
Bengtsson, H.
Durinck, S.
Han, J.
Korkola, J. E.
Heiser, L. M.
Cho, R. J.
Hu, Z.
Parvin, B.
Speed, T. P.
Gray, J. W.
Schultz, N.
Cerami, E.
Taylor, B. S.
Olshen, A.
Reva, B.
Antipin, Y.
Shen, R.
Mankoo, P.
Sheridan, R.
Ciriello, G.
Chang, W. K.
Bernanke, J. A.
Borsu, L.
Levine, D. A.
Ladanyi, M.
Sander, C.
Haussler, D.
Benz, C. C.
Stuart, J. M.
Benz, S. C.
Sanborn, J. Z.
Vaske, C. J.
Zhu, J.
Szeto, C.
Scott, G. K.
Yau, C.
Hoadley, K. A.
Du, Y.
Balu, S.
Hayes, D. N.
Perou, C. M.
Wilkerson, M. D.
Zhang, N.
Akbani, R.
Baggerly, K. A.
Yung, W. K.
Mills, G. B.
Weinstein, J. N.
Penny, R.
Shelton, T.
Grimm, D.
Hatfield, M.
Morris, S.
Yena, P.
Rhodes, P.
Sherman, M.
Paulauskis, J.
Millis, S.
Kahn, A.
Greene, J. M.
Sfeir, R.
Jensen, M. A.
Chen, J.
Whitmore, J.
Alonso, S.
Jordan, J.
Chu, A.
Zhang, Jinghui
Barker, A.
Compton, C.
Eley, G.
Ferguson, M.
Fielding, P.
Gerhard, D. S.
Myles, R.
Schaefer, C.
Shaw, K. R. Mills
Vaught, J.
Vockley, J. B.
Good, P. J.
Guyer, M. S.
Ozenberger, B.
Peterson, J.
Thomson, E.
CA Canc Genome Atlas Res Network
TI Integrated genomic analyses of ovarian carcinoma
SO NATURE
LA English
DT Article
ID HIGH-THROUGHPUT ANNOTATION; GYNECOLOGIC-ONCOLOGY-GROUP; GRADE SEROUS
CARCINOMA; BRCA MUTATION CARRIERS; CLEAR-CELL CARCINOMA; SOMATIC
MUTATIONS; CANCER STATISTICS; DRIVER MUTATIONS; HYBRID SELECTION;
MUTANT-CELLS
AB A catalogue of molecular aberrations that cause ovarian cancer is critical for developing and deploying therapies that will improve patients' lives. The Cancer Genome Atlas project has analysed messenger RNA expression, microRNA expression, promoter methylation and DNA copy number in 489 high-grade serous ovarian adenocarcinomas and the DNA sequences of exons from coding genes in 316 of these tumours. Here we report that high-grade serous ovarian cancer is characterized by TP53 mutations in almost all tumours (96%); low prevalence but statistically recurrent somatic mutations in nine further genes including NF1, BRCA1, BRCA2, RB1 and CDK12; 113 significant focal DNA copy number aberrations; and promoter methylation events involving 168 genes. Analyses delineated four ovarian cancer transcriptional subtypes, three microRNA subtypes, four promoter methylation subtypes and a transcriptional signature associated with survival duration, and shed new light on the impact that tumours with BRCA1/2 (BRCA1 or BRCA2) and CCNE1 aberrations have on survival. Pathway analyses suggested that homologous recombination is defective in about half of the tumours analysed, and that NOTCH and FOXM1 signalling are involved in serous ovarian cancer pathophysiology.
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[Berchuck, A.] Duke Univ, Div Gynecol Oncol, Dept Obstet & Gynecol, Med Ctr, Durham, NC 27708 USA.
[Berchuck, A.] Duke Univ, Duke Inst Genome Sci & Policy, Med Ctr, Durham, NC 27708 USA.
[Birrer, M.] Harvard Univ, Sch Med, Dept Med, Boston, MA 02114 USA.
[Birrer, M.; Imielinski, M.] Massachusetts Gen Hosp, Boston, MA 02114 USA.
[Chien, J.] Mayo Clin, Div Expt Pathol, Rochester, MN 55905 USA.
[Cramer, D. W.] Brigham & Womens Hosp, Dept Obstet & Gynecol, Epidemiol Ctr, Boston, MA 02115 USA.
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[Dhir, R.] Univ Pittsburgh, Dept Pathol, Pittsburgh, PA 15213 USA.
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[Gabra, H.] Univ London Imperial Coll Sci Technol & Med, Dept Surg & Canc, Ovarian Canc Act Res Ctr, London W12 0NN, England.
[Glenn, P.; Smith-McCune, K.] Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Serv, San Francisco, CA 94143 USA.
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RP Spellman, PT (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
EM spellmap@ohsu.edu
RI sander, chris/H-1452-2011; Karchin, Rachel/A-3385-2010; Lester,
Jenny/B-5933-2012; Meyerson, Matthew/E-7123-2012; Sherlock,
Gavin/E-9110-2012; Laird, Peter/G-8683-2012; Weinstock,
George/C-6314-2013; Noushmehr, Houtan/C-9692-2013; Vaske,
Charles/D-6018-2013; Reva, Boris/B-6436-2014; Berman,
Benjamin/D-5942-2014; Bowtell, David/H-1007-2016
OI Benz, Stephen/0000-0002-4067-0602; Triche, Tim/0000-0001-5665-946X;
Park, Kay/0000-0001-8989-2938; Brennan, Cameron/0000-0003-4064-8891;
Hayes, D. Neil/0000-0001-6203-7771; Kandoth, Cyriac/0000-0002-1345-3573;
Lash, Alex/0000-0003-3787-1590; Sherlock, Gavin/0000-0002-1692-4983;
Perou, Charles/0000-0001-9827-2247; Chien, Jeremy/0000-0003-4744-8374;
Schultz, Nikolaus/0000-0002-0131-4904; Weinstock,
George/0000-0002-2997-4592; Noushmehr, Houtan/0000-0003-4051-8114;
Vaske, Charles/0000-0001-8151-6612; Reva, Boris/0000-0002-8805-389X;
Bowtell, David/0000-0001-9089-7525
FU USA National Institutes of Health [U24CA143840, U24CA143882,
U24CA143731, U24CA143835, U24CA143845, U24CA143858, U24CA144025,
U24CA143866, U24CA143867, U24CA143848, U24CA143843, R21CA135877]
FX We thank J. Palchik, A. Mirick and Julia Zhang for administrative
coordination of TCGA activities. This work was supported by the
following grants from the USA National Institutes of Health:
U54HG003067, U54HG003079, U54HG003273, U24CA126543, U24CA126544,
U24CA126546, U24CA126551, U24CA126554, U24CA126561, U24CA126563,
U24CA143840, U24CA143882, U24CA143731, U24CA143835, U24CA143845,
U24CA143858, U24CA144025, U24CA143882, U24CA143866, U24CA143867,
U24CA143848, U24CA143843 and R21CA135877.
NR 51
TC 1448
Z9 1467
U1 31
U2 299
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
EI 1476-4687
J9 NATURE
JI Nature
PD JUN 30
PY 2011
VL 474
IS 7353
BP 609
EP 615
DI 10.1038/nature10166
PG 7
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 785CF
UT WOS:000292204300032
ER
PT J
AU Kim, JH
Kim, YN
Bi, ZH
Manthiram, A
Paranthaman, MP
Huq, A
AF Kim, Jung-Hyun
Kim, Young Nam
Bi, Zhonghe
Manthiram, Arumugam
Paranthaman, M. Parans
Huq, Ashfia
TI High temperature phase stabilities and electrochemical properties of
InBaCo4-xZnxO7 cathodes for intermediate temperature solid oxide fuel
cells
SO ELECTROCHIMICA ACTA
LA English
DT Article
DE SOFC; Cathode; InBaCo4-xZnxO7; X-ray diffraction; Electrochemical
properties
ID TRANSPORT-PROPERTIES; THERMAL-EXPANSION; CAPABILITY
AB InBaCo4-xZnxO7 oxides have been synthesized and characterized as cathode materials for intermediate temperature solid oxide fuel cells (IT-SOFC). The effect of Zn substitution for Co on the structure, phase stability, thermal expansion, and electrochemical properties of the InBaCo4-xZnxO7 has been investigated. The increase in the Zn content from x = 1 to 1.5 improves the high temperature phase stability at 600 degrees C and 700 degrees C for 100 h, and chemical stability against a Gd(0.2)Ce(0.8)o(1.9) (GDC) electrolyte. Thermal expansion coefficient (TEC) values of the InBaCo(4-x)Zn(x)o(7) (x = 1, 1.5, 2) specimens were determined to be 8.6 x 10(-6) to 9.6 x 10(-6)/degrees C in the range of 80-900 degrees C, which provides good thermal expansion compatibility with the standard SOFC electrolyte materials. The InBaCo4-xZnxO7 +GDC (50:50 wt.%) composite cathodes exhibit improved cathode performances compared to those obtained from the simple InBaCo4-xZnxO7 cathodes due to the extended triple-phase boundary (TPB) and enhanced oxide-ion conductivity through the GDC portion in the composites. (C) 2011 Elsevier Ltd. All rights reserved.
C1 [Kim, Jung-Hyun; Huq, Ashfia] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Spallat Neutron Source, Oak Ridge, TN 37831 USA.
[Kim, Young Nam; Manthiram, Arumugam] Univ Texas Austin, Electrochem Energy Lab, Austin, TX 78712 USA.
[Kim, Young Nam; Manthiram, Arumugam] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA.
[Bi, Zhonghe; Paranthaman, M. Parans] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Huq, A (reprint author), Oak Ridge Natl Lab, Neutron Scattering Sci Div, Spallat Neutron Source, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM huqa@ornl.gov
RI bi, zhonghe/E-7901-2011; Bi, zhonghe/D-7377-2012; Kim,
Jung-Hyun/I-5273-2013; Huq, Ashfia/J-8772-2013; Paranthaman,
Mariappan/N-3866-2015
OI Kim, Jung-Hyun/0000-0002-4598-4686; Huq, Ashfia/0000-0002-8445-9649;
Paranthaman, Mariappan/0000-0003-3009-8531
FU Oak Ridge National Laboratory; Scientific User Facilities Division,
Office of Basic Energy Sciences, U.S. Department of Energy; ORISE
postdoctoral fellowship; Welch Foundation [F-1254]; Division of
Scientific User Facilities, Office of Basic Energy Sciences, US
Department of Energy [DE-AC05-00OR22725]; UT-Battelle, LLC
FX This work was sponsored by the Laboratory Directed Research and
Development (LDRD) Program of Oak Ridge National Laboratory. A portion
of the characterization effort was conducted at both ORNL SHaRE user
facility and Center for Nanophase Materials Sciences, Oak Ridge National
Laboratory, which is sponsored by the Scientific User Facilities
Division, Office of Basic Energy Sciences, U.S. Department of Energy.
Jung-Hyun Kim and Zhonghe Bi acknowledge the support of the ORISE
postdoctoral fellowship. Ashfia Huq acknowledges Spallation Neutron
Source for financial support which is supported by the Division of
Scientific User Facilities, Office of Basic Energy Sciences, US
Department of Energy, under contract DE-AC05-00OR22725 with UT-Battelle,
LLC. Financial support for the work done at the University of Texas at
Austin by the Welch Foundation grant F-1254 is gratefully acknowledged
by Young Nam Kim and Arumugam Manthiram.
NR 18
TC 12
Z9 12
U1 0
U2 9
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0013-4686
J9 ELECTROCHIM ACTA
JI Electrochim. Acta
PD JUN 30
PY 2011
VL 56
IS 16
BP 5740
EP 5745
DI 10.1016/j.electacta.2011.04.047
PG 6
WC Electrochemistry
SC Electrochemistry
GA 788EK
UT WOS:000292428000041
ER
PT J
AU Prellier, W
Christen, HM
Dubourdieu, C
Triscone, JM
AF Prellier, Wilfrid
Christen, Hans M.
Dubourdieu, Catherine
Triscone, Jean-Marc
TI Proceedings of the EMRS 2010 Summer Meeting Symposium E: Frontiers of
Multifunctional Oxides Preface
SO THIN SOLID FILMS
LA English
DT Editorial Material
C1 [Prellier, Wilfrid] ENSICAEN, Lab CRISMAT, CNRS, Caen, France.
[Christen, Hans M.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Dubourdieu, Catherine] IBM TJ Watson Res Ctr, Yorktown Hts, NY USA.
[Triscone, Jean-Marc] Univ Geneva, CH-1211 Geneva 4, Switzerland.
RP Prellier, W (reprint author), ENSICAEN, Lab CRISMAT, CNRS, Caen, France.
EM Wilfrid.Prellier@ensicaen.fr; christenhm@ornl.gov; dubour@us.ibm.com;
Jean-Marc.Triscone@unige.ch
RI Christen, Hans/H-6551-2013
OI Christen, Hans/0000-0001-8187-7469
NR 0
TC 0
Z9 0
U1 0
U2 8
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0040-6090
J9 THIN SOLID FILMS
JI Thin Solid Films
PD JUN 30
PY 2011
VL 519
IS 17
SI SI
BP 5721
EP 5721
DI 10.1016/j.tsf.2011.05.004
PG 1
WC Materials Science, Multidisciplinary; Materials Science, Coatings &
Films; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Physics
GA 787CJ
UT WOS:000292353900001
ER
PT J
AU Yakes, M
Tringides, MC
AF Yakes, M.
Tringides, M. C.
TI Probing the Buried Pb/Si(111) Interface with SPA LEED and STM on
Si(111)-Pb alpha root 3x root 3
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID GROWTH; FILMS; PB; TEMPERATURES; ISLANDS; LATTICE; HEIGHT
AB High resolution spot profile analysis low energy electron diffraction (SPA-LEED) and variable temperature scanning tunneling microscopy (STM) have been used to observe the growth of Pb on the Pb/Si(111)-alpha root 3x root 3 phase, which is driven by quantum size effects (QSE). A change in the rotation of the Pb grown islands with respect to the Si substrate has been observed with increasing coverage theta. At lower coverage, separated two-step islands are grown and are aligned with the [1 (1) over bar0] axis of the substrate. With increasing coverage above 1.5 ML, of the islands coalesce and form a bilayer, with additional islands grown on top. The preferred Pb island orientation changes to 5.6 degrees with respect to the [1 (1) over bar0] direction. These changes at the metal/semiconductor buried interface are obtained both with SPA LEED and STM as changes to the period of the Moire pattern. The method of analysis of the corrugation period and rotation angle of the Moire pattern measured with diffraction and STM can be applied to obtain the structure of buried metal/substrate interfaces in other epitaxial systems.
C1 [Tringides, M. C.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Tringides, MC (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM tringides@ameslab.gov
RI Yakes, Michael/E-5510-2011
NR 33
TC 12
Z9 12
U1 1
U2 34
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 JUN 30
PY 2011
VL 115
IS 25
SI SI
BP 7096
EP 7104
DI 10.1021/jp1124266
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 780XU
UT WOS:000291895500043
PM 21591682
ER
PT J
AU Whitley, HD
DuBois, JL
Whaley, KB
AF Whitley, Heather D.
DuBois, Jonathan L.
Whaley, K. Birgitta
TI Theoretical Analysis of the Anomalous Spectral Splitting of Tetracene in
He-4 Droplets
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID SUPERFLUID-HELIUM DROPLETS; BOSE-EINSTEIN CONDENSATION; DER-WAALS
COMPLEXES; AROMATIC MOLECULE; MAXIMUM-ENTROPY; LIQUID-HELIUM;
PHTHALOCYANINE; CLUSTERS; SPECTROSCOPY; DYNAMICS
AB We present a theoretical analysis of the electronic absorption spectra of tetracene in He-4 droplets based on many body quantum simulations. Using the path integral ground state approach, we calculate one- and two-body reduced density matrices of the most strongly localized He atoms near the molecule surface and use these to investigate the helium ground-state quantum coherence and correlations when tetracene is in its electronic ground and excited states. We identify a trio of quasi-one-dimensional, strongly localized atoms adsorbed along the long axis of the molecule that show some quantum coherence among themselves but far less with the remaining solvating helium. We evaluate the single-particle natural orbitals of the localized He atoms by diagonalization of the one-body density matrix and use these to construct single- and many-particle solvating helium basis states with which the zero-phonon spectral features of the tetracene-He-4(N) absorption spectrum are then calculated. The absorption spectrum resulting from the three-body density matrix for the strongly bound trio of helium atoms is in very good agreement with the experimental data, accounting quantitatively for the anomalous splitting of the zero-phonon line [Hartmann, M.; Lindinger, A.; Toennies, J. P.; Vilesov, A. F. Chem. Phys. 1998, 239, 139; Krasnokutski, S.; Rouille, G.; Huisken, F. Chem. Phys. Lett. 2005, 406, 386]. Our results indicate that the combination of strong localization and the quasi-one-dimensional nature of trios of helium atoms adsorbed along the long axis of tetracene leads to a quantum coherent, yet highly correlated ground state for the helium density closest to the molecule. The spectroscopic analysis shows that this feature accounts quantitatively for the anomalous splittings and hitherto unexplained fine structure observed in the absorption spectra of tetracene and suggests that it may be responsible for the corresponding zero-phonon splittings in other quasi-one-dimensional planar aromatic molecules.
C1 [Whitley, Heather D.; DuBois, Jonathan L.; Whaley, K. Birgitta] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Whitley, Heather D.; DuBois, Jonathan L.; Whaley, K. Birgitta] Univ Calif Berkeley, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA.
[Whitley, Heather D.; DuBois, Jonathan L.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Whaley, KB (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM whaley@berkeley.edu
OI DuBois, Jonathan/0000-0003-3154-4273; Whitley,
Heather/0000-0002-2344-8698
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX We are grateful to Prof. J. P. Toennies for initial discussions that
inspired us to investigate the anomalous zero-phonon splitting of
tetracene in helium droplets and to A. Slenzcka and R Lehnig for
discussion of their experimental data. This work was performed in part
under the auspices of the U.S. Department of Energy by Lawrence
Livermore National Laboratory under Contract DE-AC52-07NA27344.
NR 43
TC 10
Z9 10
U1 2
U2 11
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 JUN 30
PY 2011
VL 115
IS 25
SI SI
BP 7220
EP 7233
DI 10.1021/jp2003003
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 780XU
UT WOS:000291895500058
PM 21574641
ER
PT J
AU Kwon, TH
Kneafsey, TJ
Rees, EVL
AF Kwon, Tae-Hyuk
Kneafsey, Timothy J.
Rees, Emily V. L.
TI Thermal Dissociation Behavior and Dissociation Enthalpies of
Methane-Carbon Dioxide Mixed Hydrates
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID CLAPEYRONS EQUATION; GUEST SIZE; CO2; HEAT; VALIDITY; NUMBER
AB Replacement of methane with carbon dioxide in hydrate has been proposed as a strategy for geologic sequestration of carbon dioxide (CO(2)) and/or production of methane (CH(4)) from natural hydrate deposits. This replacement strategy requires a better understanding of the thermodynamic characteristics of binary mixtures of CH(4) and CO(2) hydrate (CH(4)-CO(2) mixed hydrates), as well as thermophysical property changes during gas exchange. This study explores the thermal dissociation behavior and dissociation enthalpies of CH(4)-CO(2) mixed hydrates. We prepared CH(4)-CO(2) mixed hydrate samples from two different, well-defined gas mixtures. During thermal dissociation of a CH(4)-CO(2) mixed hydrate sample, gas samples from the head space were periodically collected and analyzed using gas chromatography. The changes in CH(4)-CO(2) compositions in both the vapor phase and hydrate phase during dissociation were estimated based on the gas chromatography measurements. It was found that the CO(2) concentration in the vapor phase became richer during dissociation because the initial hydrate composition contained relatively more CO(2) than the vapor phase. The composition change in the vapor phase during hydrate dissociation affected the dissociation pressure and temperature; the richer CO(2) in the vapor phase led to a lower dissociation pressure. Furthermore, the increase in CO(2) concentration in the vapor phase enriched the hydrate in CO(2). The dissociation enthalpy of the CH(4)-CO(2) mixed hydrate was computed by fitting the Clausius-Clapeyron equation to the pressure temperature (PT) trace of a dissociation test. It was observed that the dissociation enthalpy of the CH(4)-CO(2) mixed hydrate lays between the limiting values of pure CH(4) hydrate and CO(2) hydrate, increasing with the CO(2) fraction in the hydrate phase.
C1 [Kwon, Tae-Hyuk; Kneafsey, Timothy J.; Rees, Emily V. L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Kwon, TH (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM thkwon@lbl.gov
RI Kwon, Tae-Hyuk/F-2183-2013; Kneafsey, Timothy/H-7412-2014
OI Kneafsey, Timothy/0000-0002-3926-8587
FU ConocoPhillips [LB09005884]; LBNL; U.S. Department of Energy
[DE-AC02-05CH11231]; Korean Government [NRF-2009-352-D00299]
FX The authors are grateful to anonymous reviewers for valuable comments
and suggestions. Support for this research was provided by
ConocoPhillips under Agreement Number LB09005884 with LBNL, by the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231, and by the
National Research Foundation of Korea Grant funded by the Korean
Government (NRF-2009-352-D00299).
NR 26
TC 5
Z9 5
U1 1
U2 29
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 JUN 30
PY 2011
VL 115
IS 25
BP 8169
EP 8175
DI 10.1021/jp111490w
PG 7
WC Chemistry, Physical
SC Chemistry
GA 780YB
UT WOS:000291896200014
PM 21604671
ER
PT J
AU Yang, L
Taylor, R
de Jong, WA
Hase, WL
AF Yang, Li
Taylor, Ramona
de Jong, Wibe A.
Hase, William L.
TI A Model DMMP/TiO2 (110) Intermolecular Potential Energy Function
Developed from ab Initio Calculations
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID DIMETHYL METHYLPHOSPHONATE DMMP; TIO2 ANATASE 101; MOLECULAR-DYNAMICS;
TIO2(110) SURFACE; ROOM-TEMPERATURE; 1ST-ROW ELEMENTS; MAGNESIUM-OXIDE;
ALUMINUM-OXIDE; BASIS-SET; ADSORPTION
AB A hierarchy of electronic structure calculations, scalings, and fittings were used to develop an analytic intermolecular potential for dimethyl methylphosphonate (DMMP) interacting with the TiO2 rutile (110) surface. The MP2/aug-cc-pVDZ (6-311+G** for Ti) level of theory, with basis set superposition error (BSSE) corrections, was used to calculate multiple intermolecular potential curves between TiO5H6 as a model for the Ti and O atoms of the TiO2 surface, and CH3OH and O=P(CH3)(OH)(2) as models for different types of atoms comprising DMMP. Each intermolecular potential energy emphasized a particular atom-atom interaction, and the curves were fit simultaneously by a sum of two-body potentials between the atoms of the two interacting molecules. The resulting analytic intermolecular potential gives DMMP/TiO5H6 potential curves in excellent agreement with those calculated using MP2/aug-cc-pVDZ (6-311+G** for Ti) theory. MP2 theory with the smaller basis set, 6-31++G** (6-31G** for Ti), gives DMMP/TiO5H6 potential energy curves similar to those found using MP2/aug-cc-pVDZ (6-311+G** for Ti), suggesting the smaller basis set may be used to describe DMMP interactions with larger cluster models of the TiO2 surface. The TiO5H6 cluster does not model either the 6-fold coordinated Ti atoms or the bridging 0 atoms of the TiO2 (110) surface, and to also model these atoms MP2/6-31++G** (6-31G** for Ti) theory was used to calculate potential energy. curves for DMMP interacting with the larger Ti3O13H14 cluster and much large cluster Ti11O40H36 cluster. The two-body potential energy curves for DMMP/TiO5H6 were scaled to fit both the DMMP/Ti3O13H14 and DMMP/Ti11O40H36 potential energy curves. The resulting parameters for the 5- and 6-fold coordinated Ti atoms and bridging and bulk 0 atoms were used to develop an analytic intermolecular potential for DMMP interacting with rutile TiO2 (110).
C1 [Yang, Li; Hase, William L.] Texas Tech Univ, Dept Chem & Biochem, Lubbock, TX 79409 USA.
[Taylor, Ramona] Spectral Sci Inc, Burlington, MA 01803 USA.
[de Jong, Wibe A.] Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA.
RP Hase, WL (reprint author), Texas Tech Univ, Dept Chem & Biochem, Lubbock, TX 79409 USA.
EM bill.hase@ttu.edu
RI DE JONG, WIBE/A-5443-2008
OI DE JONG, WIBE/0000-0002-7114-8315
FU Army Research Office [HDTRA1-07-C-0098]; Robert A. Welch Foundation
[D-0005]; High-Performance Computing Center (HPCC) at Texas Tech
University; Department of Energy's Office of Biological and
Environmental Research and located at Pacific Northwest National
Laboratory
FX This material is based upon work supported by the Army Research Office
under Contract HDTRA1-07-C-0098 and the Robert A. Welch Foundation under
Grant D-0005. Support was also provided by the High-Performance
Computing Center (HPCC) at Texas Tech University, under the direction of
Dr. Philip W. Smith. The research was also performed using 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. The authors acknowledge important
conversations with Hans Lischka and Adelia Aquino.
NR 59
TC 8
Z9 8
U1 1
U2 12
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD JUN 30
PY 2011
VL 115
IS 25
BP 12403
EP 12413
DI 10.1021/jp1112137
PG 11
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 780XZ
UT WOS:000291896000023
ER
PT J
AU Srivastava, R
Docherty, H
Singh, JK
Cummings, PT
AF Srivastava, Rajat
Docherty, Hugh
Singh, Jayant K.
Cummings, Peter T.
TI Phase Transitions of Water in Graphite and Mica Pores
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID HYDROPHOBIC SURFACES; HYDRATION WATER; SIMPLE LIQUIDS; CONFINEMENT;
SIMULATION; DYNAMICS; FLUIDS; VISCOSITY; HEAT
AB We report all-atom molecular dynamics simulations of water confined in graphite and mica slit pores of variable size ranging from 10 to 60 angstrom. For each pore size, we demonstrate that the confinement not only reduces the critical temperature of the water but also introduces inhomogeneity in the system that, in turn, results in different vapor liquid coexistence densities at different layers of the pore. We report, in detail, the contribution of different layers toward the vapor liquid phase diagram of the confined water in graphite and mica slit pores. We also present the hydrogen bonding (HB) distribution in various layers and the ordering of water molecules near the surface of pore. Bond orientational order calculations of water near the surface of the pores indicate that water molecules tend to order near the mica surface whereas the ordering is absent for the case of graphite pores.
C1 [Srivastava, Rajat; Singh, Jayant K.] Indian Inst Technol, Dept Chem Engn, Kanpur 208016, Uttar Pradesh, India.
[Docherty, Hugh; Cummings, Peter T.] Vanderbilt Univ, Dept Chem & Biomol Engn, Nashville, TN 37235 USA.
[Cummings, Peter T.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Singh, JK (reprint author), Indian Inst Technol, Dept Chem Engn, Kanpur 208016, Uttar Pradesh, India.
EM jayantks@iitk.ac.in; petercummings@vanderbilt.edu
RI Singh, Jayant/A-1820-2011; srivastava, Rajat/P-5151-2014; Cummings,
Peter/B-8762-2013
OI srivastava, Rajat/0000-0003-0731-2755; Cummings,
Peter/0000-0002-9766-2216
FU Department of Science and Technology, Govt. of India
[SR/S3/CE/061/2009]; U.S. National Science Foundation [CHE-0626259];
U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [ERKCC61]
FX The research of R.S. and J.K.S. was supported by the Department of
Science and Technology, Govt. of India. (grant no. SR/S3/CE/061/2009).
H.D. was supported by the U.S. National Science Foundation through grant
CHE-0626259. P.T.C.'s contribution to this research was supported as
part of the Fluid Interface Reactions, Structure and Transport Center,
an Energy Frontier Research Center funded by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences under award
no. ERKCC61.
NR 40
TC 19
Z9 19
U1 1
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD JUN 30
PY 2011
VL 115
IS 25
BP 12448
EP 12457
DI 10.1021/jp2003563
PG 10
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 780XZ
UT WOS:000291896000028
ER
PT J
AU Liu, JC
Keskin, S
Sholl, DS
Johnson, JK
AF Liu, Jinchen
Keskin, Seda
Sholl, David S.
Johnson, J. Karl
TI Molecular Simulations and Theoretical Predictions for Adsorption and
Diffusion of CH4/H-2 and CO2/CH4 Mixtures in ZIFs
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID ZEOLITIC IMIDAZOLATE FRAMEWORKS; METAL-ORGANIC FRAMEWORKS; CANONICAL
MONTE-CARLO; CARBON-DIOXIDE; DYNAMICS SIMULATIONS; ATOMISTIC
SIMULATIONS; CO2 CAPTURE; SEPARATION; TRANSPORT; MEMBRANE
AB Adsorption and diffusion of CO2/CH4 and CH4/H-2 mixtures were computed in zeolite imidazolate frameworks (ZIFs), ZIF-68 and ZIF-70, using atomically detailed simulations. Adsorption selectivity, diffusion selectivity, and membrane selectivity of ZIFs were calculated based on the results of atomistic simulations. Mixture adsorption isotherms predicted by the ideal adsorbed solution theory agree well with the results of molecular simulations for both ZIFs. Mixture diffusivity calculations indicate that diffusion of CH4 is increased with increasing concentration of H-2 in the CH4/H-2 mixture, while the diffusivity of H-2 decreases with increasing CH4 concentration. In contrast, the diffusivity of CH4 is essentially independent of the concentration of CO2 in the CO2/CH4 mixture, while CO2 diffusivity decreases with increased CH4 loading, even though the diffusivity of CH4 is substantially larger than that of CO2. This unusual behavior can be explained in terms of differences in adsorption site preferences due to charge-quadrupole interactions.
C1 [Liu, Jinchen; Johnson, J. Karl] Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA.
[Liu, Jinchen; Johnson, J. Karl] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Keskin, Seda] Koc Univ, Dept Chem & Biol Engn, TR-34450 Istanbul, Turkey.
[Sholl, David S.] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA.
RP Johnson, JK (reprint author), Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA.
EM karlj@pitt.edu
RI Johnson, Karl/E-9733-2013
OI Johnson, Karl/0000-0002-3608-8003
FU RES [DE-FE0004000]
FX This technical effort was performed in support of the National Energy
Technology Laboratory's ongoing research in CO2 capture under
the RES contract DE-FE0004000.
NR 43
TC 54
Z9 55
U1 10
U2 71
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD JUN 30
PY 2011
VL 115
IS 25
BP 12560
EP 12566
DI 10.1021/jp203053h
PG 7
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 780XZ
UT WOS:000291896000041
ER
PT J
AU Kwak, JH
Peden, CHF
Szanyi, J
AF Kwak, Ja Hun
Peden, Charles H. F.
Szanyi, Janos
TI Using a Surface-Sensitive Chemical Probe and a Bulk Structure Technique
to Monitor the gamma- to theta-Al2O3 Phase Transformation
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID PENTACOORDINATED AL3+ IONS; UV RAMAN-SPECTROSCOPY; THERMAL EVOLUTION;
ALUMINA SURFACES; NANOPARTICLES; TEMPERATURE; GAMMA-AL2O3; MORPHOLOGY;
TIO2; AREA
AB In this work, we investigated the phase transformation of gamma-Al2O3 to theta-Al2O3 by ethanol TPD and XRD. Ethanol TPD showed remarkable sensitivity toward the surface structures of the aluminas studied. Maximum desorption rates for the primary product of ethanol adsorption, ethylene, were observed at 225, 245, and 320 degrees C over gamma-, theta-, and alpha-Al2O3, respectively. Ethanol TPD over a gamma-Al2O3 sample calcined at 800 degrees C clearly shows that the surface of the resulting material possesses theta-alumina characteristics, even though only the gamma-alumina phase was detected by XRD. These results strongly suggest that the gamma-to-theta phase transformation of alumina initiates at oxide particle surfaces. The results obtained are also consistent with our previous finding that the presence of penta-coordinated Al3+ sites, formed on the (100) facets of the alumina surface, is strongly correlated with the thermal stability of gamma-alumina.
C1 [Kwak, Ja Hun; Peden, Charles H. F.; Szanyi, Janos] Pacific NW Natl Lab, Inst Integrated Catalysis, Richland, WA 99352 USA.
RP Kwak, JH (reprint author), Pacific NW Natl Lab, Inst Integrated Catalysis, Richland, WA 99352 USA.
EM kwak@pnl.gov
RI Kwak, Ja Hun/J-4894-2014;
OI Peden, Charles/0000-0001-6754-9928
FU U.S. Department of Energy (DOE), Basic Energy Sciences, Division of
Chemical Sciences; DOE; DOE's Office of Biological and Environmental
Research located at Pacific Northwest National Laboratory (PNNL);
Battelle Memorial Institute [DE-AC05-76RL01830]
FX We gratefully acknowledge the U.S. Department of Energy (DOE), Basic
Energy Sciences, Division of Chemical Sciences, and the DOE's Vehicle
Technologies Program for the support of this work. The research
described in this paper was performed in the Environmental Molecular
Sciences Laboratory (EMSL), a national scientific user facility
sponsored by the DOE's Office of Biological and Environmental Research
and located at Pacific Northwest National Laboratory (PNNL). PNNL is
operated for the U.S. DOE by Battelle Memorial Institute under contract
number DE-AC05-76RL01830.
NR 20
TC 21
Z9 21
U1 1
U2 37
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD JUN 30
PY 2011
VL 115
IS 25
BP 12575
EP 12579
DI 10.1021/jp203541a
PG 5
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 780XZ
UT WOS:000291896000043
ER
PT J
AU Golosova, NO
Kozlenko, DP
Kolesnikov, AI
Kazimirov, VY
Smirnov, MB
Jirak, Z
Savenko, BN
AF Golosova, N. O.
Kozlenko, D. P.
Kolesnikov, A. I.
Kazimirov, V. Yu.
Smirnov, M. B.
Jirak, Z.
Savenko, B. N.
TI Evolution of the phonon density of states of LaCoO3 over the spin state
transition
SO PHYSICAL REVIEW B
LA English
DT Article
ID OPTICAL PHONONS; MOLECULES; OXIDES
AB The phonon spectra of LaCoO3 were studied by inelastic neutron scattering in the temperature range of 4-120 K. The DFT calculations of the lattice dynamics have been made for interpretation of the experimental data. The observed and calculated phonon frequencies were found to be in a reasonable agreement. The evolution of the phonon density of states over the spin state transition was analyzed. In the low-temperature range (T < 50 K), an increase in the energy of resolved breathing, stretching, and bending phonon modes was found, followed by their softening and broadening at higher temperatures due to the spin state transition and relevant orbital-phonon coupling.
C1 [Golosova, N. O.; Kozlenko, D. P.; Kazimirov, V. Yu.; Savenko, B. N.] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Russia.
[Kolesnikov, A. I.] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
[Smirnov, M. B.] St Petersburg State Univ, Dept Phys, St Petersburg 194508, Russia.
[Jirak, Z.] Inst Phys, Prague 16253 6, Czech Republic.
RP Golosova, NO (reprint author), Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Russia.
RI Smirnov, Mikhail/G-9551-2013; Kazimirov, Viacheslav/O-1834-2013; Jirak,
Zdenek/G-6281-2014; Kolesnikov, Alexander/I-9015-2012
OI Smirnov, Mikhail/0000-0002-4292-1989; Kolesnikov,
Alexander/0000-0003-1940-4649
FU Department of Energy (DOE) [DE-AC02-06CH11357, DE-AC05-00OR22725];
[MD-696.2010.2]; [RFBR 10-02-90043-Bel_a]; [02.740.11.0542]
FX Work at Argonne National Laboratory was supported by the Department of
Energy (DOE) under contract DE-AC02-06CH11357, and work at Oak Ridge
National Laboratory was managed by UT-Battelle, LLC, for the DOE under
contract DE-AC05-00OR22725. Work at Frank Laboratory of Neutron Physics,
Joint Institute for Nuclear Research was partially supported by grants
MD-696.2010.2, RFBR 10-02-90043-Bel_a, and state contract
02.740.11.0542.
NR 35
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U1 3
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 JUN 30
PY 2011
VL 83
IS 21
AR 214305
DI 10.1103/PhysRevB.83.214305
PG 6
WC Physics, Condensed Matter
SC Physics
GA 785TH
UT WOS:000292252300004
ER
PT J
AU Kogan, VG
Kirtley, JR
AF Kogan, V. G.
Kirtley, J. R.
TI Meissner response of superconductors with inhomogeneous penetration
depths
SO PHYSICAL REVIEW B
LA English
DT Article
AB We discuss the Meissner response to a known field source of superconductors having inhomogeneities in their penetration depth. We simplify the general problem by assuming that the perturbations of the fields by the penetration depth inhomogeneities are small. We present expressions for inhomogeneities in several geometries, but concentrate for comparison with experiment on planar defects, perpendicular to the sample surfaces, with superfluid densities different from the rest of the samples. These calculations are relevant for magnetic microscopies, such as Scanning Superconducting Quantum Interference Device (SQUID) and Magnetic Force Microscope, which image the local diamagnetic susceptibility of a sample.
C1 [Kogan, V. G.] US DOE, Ames Lab, Ames, IA 50011 USA.
[Kirtley, J. R.] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
[Kirtley, J. R.] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA.
RP Kogan, VG (reprint author), US DOE, Ames Lab, Ames, IA 50011 USA.
FU DOE-Office of Basic Energy Sciences, Division of Materials Sciences and
Engineering [DE- AC02-07CH11358]; NSF [PHY-0425897]; French NanoSciences
Foundation
FX We thank K. Moler for many discussions and support. We also thank H.
Bluhm for showing us how the ac/dc module in Comsol can be used for the
solution of London's equations. The work of V. K. was supported by the
DOE-Office of Basic Energy Sciences, Division of Materials Sciences and
Engineering under Contract No. DE- AC02-07CH11358. The work of J.K. was
supported in part by the NSF Grant No. PHY-0425897 and by the French
NanoSciences Foundation.
NR 9
TC 3
Z9 3
U1 0
U2 5
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 JUN 30
PY 2011
VL 83
IS 21
AR 214521
DI 10.1103/PhysRevB.83.214521
PG 9
WC Physics, Condensed Matter
SC Physics
GA 785TH
UT WOS:000292252300007
ER
PT J
AU Ma, QL
Wang, SG
Wei, HX
Liu, HF
Zhang, XG
Han, XF
AF Ma, Q. L.
Wang, S. G.
Wei, H. X.
Liu, H. F.
Zhang, X. -G.
Han, X. F.
TI Evidence for magnon excitation contribution to the magnetoresistance
behavior during thermal annealing in CoFeB/MgO/CoFeB magnetic tunnel
junctions
SO PHYSICAL REVIEW B
LA English
DT Article
ID ROOM-TEMPERATURE; SPECTRA
AB For sputteredCoFeB/MgO/CoFeB magnetic tunnel junctions, it is well known that the tunnel magnetoresistance (TMR) ratio increases with increasing annealing temperature (T-a) up to a critical value (T-p), and then decreases with further increasing T-a, resulting in a peak around T-p. The improved crystallinity of the MgO barrier and CoFeB electrodes due to annealing has been considered as the main reason for the enhancement of the TMR ratio, especially for T-a < T-p. In this work, the evidence is provided that the magnon excitation plays a great contribution to the magnetoresistance (MR) behavior in annealed samples based on the measurement of dynamic conductance and inelastic electron tunneling (IET) spectra. The magnon activation energy (E-c) obtained from the fits for IET spectra exhibits a similar temperature dependence with that of the TMR ratio. A detailed analysis shows that the magnon excitation, together with improved crystallinity of the MgO barrier and CoFeB layers, is the main contribution to the annealing-temperature-dependent MR behavior.
C1 [Ma, Q. L.; Wang, S. G.; Wei, H. X.; Liu, H. F.; Han, X. F.] Chinese Acad Sci, State Key Lab Magnetism, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China.
[Zhang, X. -G.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci & Comp Sci, Oak Ridge, TN 37831 USA.
[Zhang, X. -G.] Oak Ridge Natl Lab, Div Math, Oak Ridge, TN 37831 USA.
RP Ma, QL (reprint author), Chinese Acad Sci, State Key Lab Magnetism, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China.
EM Sgwang@aphy.iphy.ac.cn
RI Wang, Shouguo/C-3078-2014; Wang, Shouguo/D-5710-2016; Ma,
Qinli/H-2508-2011
OI Wang, Shouguo/0000-0001-6130-7071; Wang, Shouguo/0000-0002-4488-2645;
FU National Basic Research Program of China (MOST) [2009CB929203,
2010CB934400]; National Natural Science Foundation of China (NSFC)
[50972163, 50721001, 10934009, 10904167]; ORNL by the Division of
Scientific User Facilities, US DOE
FX Q.L.M. is thankful for support from the SFI/MOST IrelandChina project
for his visit to Trinity College, Dublin, where he prepared the samples.
We thank Dr. T. Hesjedal at Clarendon Laboratory of the University of
Oxford for helpful discussions. This work was supported by the National
Basic Research Program of China (MOST under Grants No. 2009CB929203 and
No. 2010CB934400), and the National Natural Science Foundation of China
(NSFC under Grants No. 50972163, No. 50721001, No. 10934009, and No.
10904167). Partial support was from the international joint projects of
NSFC-the Royal Society (UK), NSFC-Australia DEST, and the K. C. Wong
Education Foundation, Hong Kong. A portion of this research was
conducted at the CNMS sponsored at ORNL by the Division of Scientific
User Facilities, US DOE.
NR 33
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U1 0
U2 19
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 2469-9950
EI 2469-9969
J9 PHYS REV B
JI Phys. Rev. B
PD JUN 30
PY 2011
VL 83
IS 22
AR 224430
DI 10.1103/PhysRevB.83.224430
PG 4
WC Physics, Condensed Matter
SC Physics
GA 785TN
UT WOS:000292253000004
ER
PT J
AU Yao, YX
Wang, CZ
Ho, KM
AF Yao, Y. X.
Wang, C. Z.
Ho, K. M.
TI Including many-body screening into self-consistent calculations:
Tight-binding model studies with the Gutzwiller approximation
SO PHYSICAL REVIEW B
LA English
DT Article
ID STRONGLY CORRELATED SYSTEMS; RANDOM-PHASE-APPROXIMATION; MEAN-FIELD
THEORY; ELECTRONIC-STRUCTURE; TRANSITION; SPECTRA; NI
AB We introduce a scheme to include many-body screening processes explicitly into a set of self-consistent equations for electronic-structure calculations using the Gutzwiller approximation. The method is illustrated by the application to a tight-binding model describing the strongly correlated gamma-Ce system. With the inclusion of the 5d electrons into the local Gutzwiller projection subspace, the correct input Coulomb repulsion U-ff between the 4f electrons for gamma-Ce in the calculations can be pushed far beyond the usual screened value U-ff(scr) and close to the bare atomic value U-bare(ff). This indicates that the d-f many-body screening is the dominant contribution to the screening of Uff in this system. The method provides a promising way toward the ab initio Gutzwiller density functional theory.
C1 [Yao, Y. X.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA.
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Yao, YX (reprint author), Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA.
RI Yao, Yongxin/B-7320-2008;
OI Wang, Chong/0000-0003-4489-4344
FU US Department of Energy, Office of Basic Energy Science, Division of
Materials Science and Engineering [DE-AC02-07CH11358]
FX We are grateful to J. Schmalian for useful discussions. Work at the Ames
Laboratory was supported by the US Department of Energy, Office of Basic
Energy Science, Division of Materials Science and Engineering including
a grant of computer time at the National Energy Research Supercomputing
Center (NERSC) at the Lawrence Berkeley National Laboratory under
Contract No. DE-AC02-07CH11358.
NR 32
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U1 0
U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-0121
EI 1550-235X
J9 PHYS REV B
JI Phys. Rev. B
PD JUN 30
PY 2011
VL 83
IS 24
AR 245139
DI 10.1103/PhysRevB.83.245139
PG 6
WC Physics, Condensed Matter
SC Physics
GA 785TV
UT WOS:000292254000001
ER
PT J
AU Ziegler, D
Gava, P
Guttinger, J
Molitor, F
Wirtz, L
Lazzeri, M
Saitta, AM
Stemmer, A
Mauri, F
Stampfer, C
AF Ziegler, D.
Gava, P.
Guettinger, J.
Molitor, F.
Wirtz, L.
Lazzeri, M.
Saitta, A. M.
Stemmer, A.
Mauri, F.
Stampfer, C.
TI Variations in the work function of doped single- and few-layer graphene
assessed by Kelvin probe force microscopy and density functional theory
SO PHYSICAL REVIEW B
LA English
DT Article
ID BILAYER GRAPHENE; ELECTRON TRANSISTOR; CARBON
AB We present Kelvin probe force microscopy measurements of single-and few-layer graphene resting on SiO2 substrates. We compare the layer thickness dependency of the measured surface potential with ab initio density functional theory calculations of the work function for substrate-doped graphene. The ab initio calculations show that the work function of single-and bilayer graphene is mainly given by a variation of the Fermi energy with respect to the Dirac point energy as a function of doping, and that electrostatic interlayer screening only becomes relevant for thicker multilayer graphene. From the Raman G-line shift and the comparison of the Kelvin probe data with the ab initio calculations, we independently find an interlayer screening length in the order of four to five layers. Furthermore, we describe in-plane variations of the work function, which can be attributed to partial screening of charge impurities in the substrate, and result in a nonuniform charge density in single-layer graphene.
C1 [Ziegler, D.; Stemmer, A.] ETH, Nanotechnol Grp, CH-8092 Zurich, Switzerland.
[Gava, P.; Lazzeri, M.; Saitta, A. M.; Mauri, F.] Univ Paris 6 7, CNRS IPGP, F-75015 Paris, France.
[Guettinger, J.; Molitor, F.; Stampfer, C.] ETH, Solid State Phys Lab, CH-8093 Zurich, Switzerland.
[Wirtz, L.] CNRS, UMR 8520, Dept ISEN, IEMN, F-59652 Villeneuve Dascq, France.
[Stampfer, C.] Rhein Westfal TH Aachen, JARA FIT & II, Inst Phys, D-52074 Aachen, Germany.
RP Ziegler, D (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM dziegler@lbl.gov
RI Stampfer, Christoph/K-3147-2013; Guttinger, Johannes/F-3290-2014;
Saitta, Antonino Marco/D-9605-2015; mauri, francesco/K-5726-2012;
Lazzeri, Michele/N-7615-2016
OI Stampfer, Christoph/0000-0002-4958-7362; Guttinger,
Johannes/0000-0002-3630-9515; Saitta, Antonino
Marco/0000-0002-3298-2040; mauri, francesco/0000-0002-6666-4710;
Lazzeri, Michele/0000-0002-6644-6617
FU Swiss National Science Foundation; NCCR Nanoscience; IDRIS
supercomputing center [096128]
FX The authors wish to thank D. Bishop, P. Brouwer, K. Ensslin, F. Guinea,
T. Ihn, and R. W. Stark for helpful discussions and C. Hierold for
providing access to the Raman spectrometer. Support by the ETH FIRST Lab
and financial support by the Swiss National Science Foundation and NCCR
Nanoscience are gratefully acknowledged. Calculations were performed at
the IDRIS supercomputing center (Project No. 096128).
NR 41
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U2 82
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 JUN 30
PY 2011
VL 83
IS 23
AR 235434
DI 10.1103/PhysRevB.83.235434
PG 7
WC Physics, Condensed Matter
SC Physics
GA 785TQ
UT WOS:000292253400008
ER
PT J
AU Hong, L
Novikov, VN
Sokolov, AP
AF Hong, L.
Novikov, V. N.
Sokolov, A. P.
TI Dynamic heterogeneities, boson peak, and activation volume in
glass-forming liquids
SO PHYSICAL REVIEW E
LA English
DT Article
ID DIAMOND-ANVIL CELL; LENGTH SCALE; SUPERCOOLED LIQUIDS;
TEMPERATURE-DEPENDENCE; STRUCTURAL GLASSES; PHOTON-CORRELATION;
MOLECULAR LIQUIDS; ELEVATED PRESSURE; PROPYLENE-GLYCOL; ALPHA-RELAXATION
AB There are various arguments and models connecting the characteristic length associated with the boson peak vibrations xi to the length scale of dynamical heterogeneity L-het. xi is usually defined as the ratio of the transverse sound velocity to the boson peak frequency. Here we present pressure, temperature, and molecular weight dependencies of xi, estimated using light scattering, in a few molecular and polymeric glass formers. These dependencies are compared with respective dependencies of the activation volume Delta V-# in the same materials. Good agreement is found for the pressure and molecular weight dependencies of xi and Delta V-# measured at the glass transition temperature T-g. These results provide more evidence for a possible relationship between the sensitivity of structural relaxation to density (activation volume) and the heterogeneity volume. However, contrary to the expectations for L-het, xi does not decrease with temperature above T-g in most of the studied materials. The temperature dependence of xi is compared to that of L-het in glycerol and orthoterphenyl (OTP) estimated from literature data. The analysis shows a clear difference in the behavior of xi (T) and Delta V-#(T) at temperatures above T-g, although Delta V-#(T)(1/3) and L-het(T) have similar temperature dependence. Possible reasons for the observed difference are discussed.
C1 [Hong, L.] Oak Ridge Natl Lab, Ctr Biophys Mol, Oak Ridge, TN 37831 USA.
[Novikov, V. N.; Sokolov, A. P.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Novikov, V. N.; Sokolov, A. P.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Novikov, V. N.] Russian Acad Sci, IA&E, Novosibirsk 630090, Russia.
RP Hong, L (reprint author), Oak Ridge Natl Lab, Ctr Biophys Mol, Oak Ridge, TN 37831 USA.
EM novikov@utk.edu
RI hong, liang/D-5647-2012
FU Division of Materials Sciences and Engineering, DOE Office of Basic
Energy Sciences; ORNL [5843]; RFBR [09-02-01297a]
FX A.P.S. acknowledges the support from the Division of Materials Sciences
and Engineering, DOE Office of Basic Energy Sciences. V.N.N acknowledges
the financial support from the LDRD Program of ORNL, managed by
UT-Battelle, LLC, LOIS#: 5843, for DOE, and from the RFBR (Grant No.
09-02-01297a).
NR 65
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U1 1
U2 37
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 2470-0045
EI 2470-0053
J9 PHYS REV E
JI Phys. Rev. E
PD JUN 30
PY 2011
VL 83
IS 6
AR 061508
DI 10.1103/PhysRevE.83.061508
PN 1
PG 10
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA 785WO
UT WOS:000292263600006
PM 21797373
ER
PT J
AU Abazov, VM
Abbott, B
Acharya, BS
Adams, M
Adams, T
Alexeev, GD
Alkhazov, G
Alton, A
Alverson, G
Alves, GA
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
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
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
Deterre, C
DeVaughan, K
Diehl, HT
Diesburg, M
Ding, PF
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
Garcia-Bellido, A
Gavrilov, V
Gay, P
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
Guillemin, T
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
Hesketh, G
Hildreth, MD
Hirosky, R
Hoang, T
Hobbs, JD
Hoeneisen, B
Hohlfeld, M
Hubacek, Z
Huske, N
Hynek, V
Iashvili, I
Ilchenko, Y
Illingworth, R
Ito, AS
Jabeen, S
Jaffre, M
Jamin, D
Jayasinghe, A
Jesik, R
Johns, K
Johnson, M
Johnston, D
Jonckheere, A
Jonsson, P
Joshi, J
Jung, AW
Juste, A
Kaadze, K
Kajfasz, E
Karmanov, D
Kasper, PA
Katsanos, I
Kehoe, R
Kermiche, S
Khalatyan, N
Khanov, A
Kharchilava, A
Kharzheev, YN
Kirby, MH
Kohli, JM
Kozelov, AV
Kraus, J
Kulikov, S
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
de Sa, RL
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
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Simak, V.
Sirotenko, V.
Skubic, P.
Slattery, P.
Smirnov, D.
Smith, K. J.
Snow, G. R.
Snow, J.
Snyder, S.
Soeldner-Rembold, S.
Sonnenschein, L.
Soustruznik, K.
Stark, J.
Stolin, V.
Stoyanova, D. A.
Strauss, M.
Strom, D.
Stutte, L.
Suter, L.
Svoisky, P.
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Tanasijczuk, A.
Taylor, W.
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van Leeuwen, W. M.
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Wicke, D.
Williams, M. R. J.
Wilson, G. W.
Wobisch, M.
Wood, D. R.
Wyatt, T. R.
Xie, Y.
Xu, C.
Yacoob, S.
Yamada, R.
Yang, W. -C.
Yasuda, T.
Yatsunenko, Y. A.
Ye, Z.
Yin, H.
Yip, K.
Youn, S. W.
Yu, J.
Zelitch, S.
Zhao, T.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
TI Bounds on an Anomalous Dijet Resonance in W plus jets Production in
p(p)over-bar Collisions at root s=1.96 TeV
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB We present a study of the dijet invariant mass spectrum in events with two jets produced in association with a W boson in data corresponding to an integrated luminosity of 4.3 fb(-1) collected with the D0 detector at root s = 1.96 TeV. We find no evidence for anomalous resonant dijet production and derive upper limits on the production cross section of an anomalous dijet resonance recently reported by the CDF Collaboration, investigating the range of dijet invariant mass from 110 to 170 GeV/c(2). The probability of the D0 data being consistent with the presence of a dijet resonance with 4 pb production cross section at 145 GeV/c(2) is 8 x 10(-6).
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[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Johnston, D.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA.
[Atramentov, O.; Duggan, D.; Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA.
[Iashvili, I.; Kharchilava, A.; Kumar, A.; Smith, K. J.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Haas, A.; Parsons, J.] Columbia Univ, New York, NY 10027 USA.
[Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Petrillo, G.; Slattery, P.; Tsai, Y. -T.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Boline, D.; Chakrabarti, S.; Grannis, P. D.; Guo, F.; Hobbs, J. D.; de Sa, R. Lopes; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Begel, M.; Evdokimov, A.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Snow, J.] Langston Univ, Langston, OK 73050 USA.
[Abbott, B.; Gutierrez, P.; Jayasinghe, A.; Severini, H.; Skubic, P.; Strauss, M.; Svoisky, P.] Univ Oklahoma, Norman, OK 73019 USA.
[Hegab, H.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Cho, D. K.; Cutts, D.; Heintz, U.; Jabeen, S.; Landsberg, G.; Narain, M.; Parihar, V.; Partridge, R.; Zivkovic, L.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Pal, A.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Ilchenko, Y.; Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Chandra, A.; Corcoran, M.; Mackin, D.; Orduna, J.; 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), Univ Buenos Aires, Buenos Aires, DF, Argentina.
RI Gutierrez, Phillip/C-1161-2011; 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; Fisher,
Wade/N-4491-2013; De, Kaushik/N-1953-2013; 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; Gerbaudo,
Davide/J-4536-2012; Li, Liang/O-1107-2015
OI Yip, Kin/0000-0002-8576-4311; Dudko, Lev/0000-0002-4462-3192; Novaes,
Sergio/0000-0003-0471-8549; De, Kaushik/0000-0002-5647-4489; Sharyy,
Viatcheslav/0000-0002-7161-2616; Gerbaudo, Davide/0000-0002-4463-0878;
Li, Liang/0000-0001-6411-6107
FU DOE (USA); NSF (USA); CEA (France); CNRS (France) [IN2P3]; 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 26
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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 JUN 30
PY 2011
VL 107
IS 1
AR 011804
DI 10.1103/PhysRevLett.107.011804
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 785UM
UT WOS:000292256400006
PM 21797537
ER
PT J
AU Adamson, P
Auty, DJ
Ayres, DS
Backhouse, C
Barr, G
Bishai, M
Blake, A
Bock, GJ
Boehnlein, DJ
Bogert, D
Cavanaugh, S
Cherdack, D
Childress, S
Coelho, JAB
Coleman, SJ
Corwin, L
Cronin-Hennessy, D
Danko, IZ
de Jong, JK
Devenish, NE
Diwan, MV
Dorman, M
Escobar, CO
Evans, JJ
Falk, E
Feldman, GJ
Frohne, MV
Gallagher, HR
Gomes, RA
Goodman, MC
Gouffon, P
Graf, N
Gran, R
Grant, N
Grzelak, K
Habig, A
Harris, D
Hartnell, J
Hatcher, R
Himmel, A
Holin, A
Huang, X
Hylen, J
Ilic, J
Irwin, GM
Isvan, Z
Jaffe, DE
James, C
Jensen, D
Kafka, T
Kasahara, SMS
Koizumi, G
Kopp, S
Kordosky, M
Kreymer, A
Lang, K
Lefeuvre, G
Ling, J
Litchfield, PJ
Loiacono, L
Lucas, P
Mann, WA
Marshak, ML
Mayer, N
McGowan, AM
Mehdiyev, R
Meier, JR
Messier, MD
Miller, WH
Mishra, SR
Mitchell, J
Moore, CD
Morfin, J
Mualem, L
Mufson, S
Musser, J
Naples, D
Nelson, JK
Newman, HB
Nichol, RJ
Nicholls, TC
Nowak, JA
Oliver, WP
Orchanian, M
Paley, J
Patterson, RB
Pawloski, G
Pearce, GF
Petyt, DA
Phan-Budd, S
Pittam, R
Plunkett, RK
Qiu, X
Ratchford, J
Raufer, TM
Rebel, B
Rodrigues, PA
Rosenfeld, C
Rubin, HA
Sanchez, MC
Schneps, J
Schreiner, P
Sharma, R
Shanahan, P
Sousa, A
Stamoulis, P
Strait, M
Tagg, N
Talaga, RL
Tetteh-Lartey, E
Thomas, J
Thomson, MA
Tinti, G
Toner, R
Torretta, D
Tzanakos, G
Urheim, J
Vahle, P
Viren, B
Walding, JJ
Weber, A
Webb, RC
White, C
Whitehead, L
Wojcicki, SG
Zwaska, R
AF Adamson, P.
Auty, D. J.
Ayres, D. S.
Backhouse, C.
Barr, G.
Bishai, M.
Blake, A.
Bock, G. J.
Boehnlein, D. J.
Bogert, D.
Cavanaugh, S.
Cherdack, D.
Childress, S.
Coelho, J. A. B.
Coleman, S. J.
Corwin, L.
Cronin-Hennessy, D.
Danko, I. Z.
de Jong, J. K.
Devenish, N. E.
Diwan, M. V.
Dorman, M.
Escobar, C. O.
Evans, J. J.
Falk, E.
Feldman, G. J.
Frohne, M. V.
Gallagher, H. R.
Gomes, R. A.
Goodman, M. C.
Gouffon, P.
Graf, N.
Gran, R.
Grant, N.
Grzelak, K.
Habig, A.
Harris, D.
Hartnell, J.
Hatcher, R.
Himmel, A.
Holin, A.
Huang, X.
Hylen, J.
Ilic, J.
Irwin, G. M.
Isvan, Z.
Jaffe, D. E.
James, C.
Jensen, D.
Kafka, T.
Kasahara, S. M. S.
Koizumi, G.
Kopp, S.
Kordosky, M.
Kreymer, A.
Lang, K.
Lefeuvre, G.
Ling, J.
Litchfield, P. J.
Loiacono, L.
Lucas, P.
Mann, W. A.
Marshak, M. L.
Mayer, N.
McGowan, A. M.
Mehdiyev, R.
Meier, J. R.
Messier, M. D.
Miller, W. H.
Mishra, S. R.
Mitchell, J.
Moore, C. D.
Morfin, J.
Mualem, L.
Mufson, S.
Musser, J.
Naples, D.
Nelson, J. K.
Newman, H. B.
Nichol, R. J.
Nicholls, T. C.
Nowak, J. A.
Oliver, W. P.
Orchanian, M.
Paley, J.
Patterson, R. B.
Pawloski, G.
Pearce, G. F.
Petyt, D. A.
Phan-Budd, S.
Pittam, R.
Plunkett, R. K.
Qiu, X.
Ratchford, J.
Raufer, T. M.
Rebel, B.
Rodrigues, P. A.
Rosenfeld, C.
Rubin, H. A.
Sanchez, M. C.
Schneps, J.
Schreiner, P.
Sharma, R.
Shanahan, P.
Sousa, A.
Stamoulis, P.
Strait, M.
Tagg, N.
Talaga, R. L.
Tetteh-Lartey, E.
Thomas, J.
Thomson, M. A.
Tinti, G.
Toner, R.
Torretta, D.
Tzanakos, G.
Urheim, J.
Vahle, P.
Viren, B.
Walding, J. J.
Weber, A.
Webb, R. C.
White, C.
Whitehead, L.
Wojcicki, S. G.
Zwaska, R.
TI Active to Sterile Neutrino Mixing Limits from Neutral-Current
Interactions in MINOS
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID MUON NEUTRINO; OSCILLATIONS; SEARCH
AB Results are reported from a search for active to sterile neutrino oscillations in the MINOS long-baseline experiment, based on the observation of neutral-current neutrino interactions, from an exposure to the NuMI neutrino beam of 7.07 x 10(20) protons on target. A total of 802 neutral-current event candidates is observed in the Far Detector, compared to an expected number of 754 +/- 28(stat) +/- 37(syst) for oscillations among three active flavors. The fraction f(s) of disappearing nu(mu) that may transition to nu(s) is found to be less than 22% at the 90% C.L.
C1 [Ayres, D. S.; Goodman, M. C.; Huang, X.; McGowan, A. M.; Paley, J.; Phan-Budd, S.; Sanchez, M. C.; Schreiner, P.; Talaga, R. L.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Stamoulis, P.; Tzanakos, G.] Univ Athens, Dept Phys, GR-15771 Athens, Greece.
[Bishai, M.; Diwan, M. V.; Jaffe, D. E.; Ling, J.; Viren, B.; Whitehead, L.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Himmel, A.; Mualem, L.; Newman, H. B.; Orchanian, M.; Patterson, R. B.] CALTECH, Lauritsen Lab, Pasadena, CA 91125 USA.
[Blake, A.; Mitchell, J.; Thomson, M. A.; Toner, R.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
[Coelho, J. A. B.; Escobar, C. O.] Univ Estadual Campinas, IFGW UNICAMP, BR-13083970 Campinas, SP, Brazil.
[Adamson, P.; Bock, G. J.; Boehnlein, D. J.; Bogert, D.; Childress, S.; Harris, D.; Hatcher, R.; Hylen, J.; James, C.; Jensen, D.; Koizumi, G.; Kreymer, A.; Lucas, P.; Moore, C. D.; Morfin, J.; Plunkett, R. K.; Rebel, B.; Sharma, R.; Shanahan, P.; Torretta, D.; Zwaska, R.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Gomes, R. A.] Univ Fed Goias, Inst Fis, BR-74001970 Goiania, Go, Brazil.
[Cavanaugh, S.; Feldman, G. J.; Sanchez, M. C.; Sousa, A.] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA.
[Frohne, M. V.] Coll Holy Cross, Notre Dame, IN 46556 USA.
[Graf, N.; Rubin, H. A.; White, C.] IIT, Div Phys, Chicago, IL 60616 USA.
[Corwin, L.; Mayer, N.; Messier, M. D.; Mufson, S.; Musser, J.; Paley, J.; Urheim, J.] Indiana Univ, Bloomington, IN 47405 USA.
[Sanchez, M. C.] Iowa State Univ Sci & Technol, Dept Phys & Astron, Ames, IA 50011 USA.
[Dorman, M.; Evans, J. J.; Holin, A.; Nichol, R. J.; Thomas, J.] UCL, Dept Phys & Astron, London WC1E 6BT, England.
[Cronin-Hennessy, D.; Kasahara, S. M. S.; Litchfield, P. J.; Marshak, M. L.; Meier, J. R.; Miller, W. H.; Nowak, J. A.; Petyt, D. A.; Strait, M.] Univ Minnesota, Minneapolis, MN 55455 USA.
[Gran, R.; Habig, A.] Univ Minnesota, Dept Phys, Duluth, MN 55812 USA.
[Tagg, N.] Otterbein Coll, Westerville, OH 43081 USA.
[Backhouse, C.; Barr, G.; de Jong, J. K.; Pittam, R.; Rodrigues, P. A.; Tinti, G.; Weber, A.] Univ Oxford, Subdept Particle Phys, Oxford OX1 3RH, England.
[Danko, I. Z.; Isvan, Z.; Naples, D.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA.
[Grant, N.; Hartnell, J.; Ilic, J.; Litchfield, P. J.; Nicholls, T. C.; Pearce, G. F.; Raufer, T. M.] Sci & Technol Facil Council, Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Gouffon, P.] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil.
[Ling, J.; Mishra, S. R.; Rosenfeld, C.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA.
[Irwin, G. M.; Pawloski, G.; Qiu, X.; Wojcicki, S. G.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Auty, D. J.; Devenish, N. E.; Falk, E.; Hartnell, J.; Lefeuvre, G.] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England.
[Tetteh-Lartey, E.; Webb, R. C.] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA.
[Kopp, S.; Lang, K.; Loiacono, L.; Mehdiyev, R.; Ratchford, J.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA.
[Cherdack, D.; Gallagher, H. R.; Kafka, T.; Mann, W. A.; Oliver, W. P.; Schneps, J.] Tufts Univ, Dept Phys, Medford, MA 02155 USA.
[Grzelak, K.] Warsaw Univ, Dept Phys, PL-00681 Warsaw, Poland.
[Coleman, S. J.; Kordosky, M.; Nelson, J. K.; Vahle, P.; Walding, J. J.] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA.
RP Adamson, P (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Nowak, Jaroslaw/P-2502-2016; Ling, Jiajie/I-9173-2014; Inst. of Physics,
Gleb Wataghin/A-9780-2017; Qiu, Xinjie/C-6164-2012; Gomes,
Ricardo/B-6899-2008; Coelho, Joao/D-3546-2013; Tinti, Gemma/I-5886-2013;
Evans, Justin/P-4981-2014; Gouffon, Philippe/I-4549-2012
OI Hartnell, Jeffrey/0000-0002-1744-7955; Cherdack,
Daniel/0000-0002-3829-728X; Weber, Alfons/0000-0002-8222-6681; Nowak,
Jaroslaw/0000-0001-8637-5433; Ling, Jiajie/0000-0003-2982-0670; COLEMAN,
STEPHEN/0000-0002-4621-9169; Corwin, Luke/0000-0001-7143-3821; Gomes,
Ricardo/0000-0003-0278-4876; Evans, Justin/0000-0003-4697-3337; Gouffon,
Philippe/0000-0001-7511-4115
FU U.S. DOE; UK STFC; U.S. NSF; State and University of Minnesota;
University of Athens, Greece; Brazil's FAPESP; CNPq; CAPES
FX This work was supported by the U.S. DOE; the UK STFC; the U.S. NSF; the
State and University of Minnesota; the University of Athens, Greece; and
Brazil's FAPESP, CNPq, and CAPES. We gratefully acknowledge the
Minnesota DNR, the crew of the Soudan Underground Laboratory, and the
personnel of Fermilab for their contribution to this effort.
NR 41
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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 JUN 30
PY 2011
VL 107
IS 1
AR 011802
DI 10.1103/PhysRevLett.107.011802
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 785UM
UT WOS:000292256400004
ER
PT J
AU Parnell, JJ
Callister, SJ
Rompato, G
Nicora, CD
Pasa-Tolic, L
Williamson, A
Pfrender, ME
AF Parnell, J. Jacob
Callister, Stephen J.
Rompato, Giovanni
Nicora, Carrie D.
Pasa-Tolic, Ljiljana
Williamson, Ashley
Pfrender, Michael E.
TI Time-course analysis of the Shewanella amazonensis SB2B proteome in
response to sodium chloride shock
SO SCIENTIFIC REPORTS
LA English
DT Article
ID MASS-SPECTROMETRY; PUTREFACIENS MR-1; BACILLUS-SUBTILIS;
ESCHERICHIA-COLI; SOFTWARE PACKAGE; BRANCHED-CHAIN; FATTY-ACID; GROWTH;
STRESS; HYPERSALINE
AB Shewanellae are microbial models for environmental stress response; however, the sequential expression of mechanisms in response to stress is poorly understood. Here we experimentally determine the response mechanisms of Shewanella amazonensis SB2B during sodium chloride stress using a novel liquid chromatography and accurate mass-time tag mass spectrometry time-course proteomics approach. The response of SB2B involves an orchestrated sequence of events comprising increased signal transduction associated with motility and restricted growth. Following a metabolic shift to branched chain amino acid degradation, motility and cellular replication proteins return to pre-perturbed levels. Although sodium chloride stress is associated with a change in the membrane fatty acid composition in other organisms, this is not the case for SB2B as fatty acid degradation pathways are not expressed and no change in the fatty acid profile is observed. These findings suggest that shifts in membrane composition may be an indirect physiological response to high NaCl stress.
C1 [Parnell, J. Jacob; Rompato, Giovanni] Utah State Univ, Ctr Integrated BioSyst, Logan, UT 84322 USA.
[Parnell, J. Jacob; Rompato, Giovanni] Utah State Univ, Dept Biol, Logan, UT 84322 USA.
[Callister, Stephen J.; Nicora, Carrie D.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Pasa-Tolic, Ljiljana] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Williamson, Ashley] Logan High Sch, Logan, UT 84321 USA.
[Pfrender, Michael E.] Univ Notre Dame, Dept Biol Sci, Notre Dame, IN 46556 USA.
RP Parnell, JJ (reprint author), Utah State Univ, Ctr Integrated BioSyst, Logan, UT 84322 USA.
EM jacob.parnell@usu.edu
FU NSF [DEB-021212487]; USDA CSREES [2006- 34526-17001]; Utah Agricultural
Experiment Station at Utah State University [8199]; DOE [DE-AC05-76RLO
1830]
FX Funding for this research was provided by NSF grant DEB-021212487 to
MEP, a grant from USDA CSREES 2006- 34526-17001 and supported by the
Utah Agricultural Experiment Station at Utah State University as journal
paper number 8199. A portion of the research described in this paper was
performed in the Environmental Molecular Sciences Laboratory (EMSL), a
DOE/BER national scientific user facility located at Pacific Northwest
National Laboratory (PNNL) in Richland, Washington. PNNL is a
multi-program national laboratory operated by Battelle for the DOE under
Contract DE-AC05-76RLO 1830.
NR 47
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U1 1
U2 12
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 2045-2322
J9 SCI REP-UK
JI Sci Rep
PD JUN 29
PY 2011
VL 1
AR 25
DI 10.1038/srep00025
PG 8
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 835OY
UT WOS:000296046900001
PM 22355544
ER
PT J
AU Tang, KH
Barry, K
Chertkov, O
Dalin, E
Han, CS
Hauser, LJ
Honchak, BM
Karbach, LE
Land, ML
Lapidus, A
Larimer, FW
Mikhailova, N
Pitluck, S
Pierson, BK
Blankenship, RE
AF Tang, Kuo-Hsiang
Barry, Kerrie
Chertkov, Olga
Dalin, Eileen
Han, Cliff S.
Hauser, Loren J.
Honchak, Barbara M.
Karbach, Lauren E.
Land, Miriam L.
Lapidus, Alla
Larimer, Frank W.
Mikhailova, Natalia
Pitluck, Samuel
Pierson, Beverly K.
Blankenship, Robert E.
TI Complete genome sequence of the filamentous anoxygenic phototrophic
bacterium Chloroflexus aurantiacus
SO BMC GENOMICS
LA English
DT Article
ID AUTOTROPHIC CO2 FIXATION; PHOTOSYNTHESIS GENE-CLUSTER; ISOCYCLIC RING
FORMATION; GREEN-SULFUR BACTERIUM; BLUE COPPER PROTEINS;
3-HYDROXYPROPIONATE CYCLE; REACTION CENTERS; CARBON FIXATION;
HELIOBACTERIUM-MODESTICALDUM; ROSEIFLEXUS-CASTENHOLZII
AB Background: Chloroflexus aurantiacus is a thermophilic filamentous anoxygenic phototrophic (FAP) bacterium, and can grow phototrophically under anaerobic conditions or chemotrophically under aerobic and dark conditions. According to 16S rRNA analysis, Chloroflexi species are the earliest branching bacteria capable of photosynthesis, and Cfl. aurantiacus has been long regarded as a key organism to resolve the obscurity of the origin and early evolution of photosynthesis. Cfl. aurantiacus contains a chimeric photosystem that comprises some characters of green sulfur bacteria and purple photosynthetic bacteria, and also has some unique electron transport proteins compared to other photosynthetic bacteria.
Methods: The complete genomic sequence of Cfl. aurantiacus has been determined, analyzed and compared to the genomes of other photosynthetic bacteria.
Results: Abundant genomic evidence suggests that there have been numerous gene adaptations/replacements in Cfl. aurantiacus to facilitate life under both anaerobic and aerobic conditions, including duplicate genes and gene clusters for the alternative complex III (ACIII), auracyanin and NADH: quinone oxidoreductase; and several aerobic/anaerobic enzyme pairs in central carbon metabolism and tetrapyrroles and nucleic acids biosynthesis. Overall, genomic information is consistent with a high tolerance for oxygen that has been reported in the growth of Cfl. aurantiacus. Genes for the chimeric photosystem, photosynthetic electron transport chain, the 3-hydroxypropionate autotrophic carbon fixation cycle, CO2-anaplerotic pathways, glyoxylate cycle, and sulfur reduction pathway are present. The central carbon metabolism and sulfur assimilation pathways in Cfl. aurantiacus are discussed. Some features of the Cfl. aurantiacus genome are compared with those of the Roseiflexus castenholzii genome. Roseiflexus castenholzii is a recently characterized FAP bacterium and phylogenetically closely related to Cfl. aurantiacus. According to previous reports and the genomic information, perspectives of Cfl. aurantiacus in the evolution of photosynthesis are also discussed.
Conclusions: The genomic analyses presented in this report, along with previous physiological, ecological and biochemical studies, indicate that the anoxygenic phototroph Cfl. aurantiacus has many interesting and certain unique features in its metabolic pathways. The complete genome may also shed light on possible evolutionary connections of photosynthesis.
C1 [Tang, Kuo-Hsiang; Honchak, Barbara M.; Karbach, Lauren E.; Blankenship, Robert E.] Washington Univ, Dept Biol, St Louis, MO 63130 USA.
[Tang, Kuo-Hsiang; Honchak, Barbara M.; Karbach, Lauren E.; Blankenship, Robert E.] Washington Univ, Dept Chem, St Louis, MO 63130 USA.
[Barry, Kerrie; Dalin, Eileen; Pitluck, Samuel] DOE Joint Genome Inst, Lawrence Berkeley Lab, Walnut Creek, CA 94598 USA.
[Barry, Kerrie; Dalin, Eileen; Pitluck, Samuel] DOE Joint Genome Inst, Prod Genom Facil, Walnut Creek, CA 94598 USA.
[Chertkov, Olga; Han, Cliff S.] Los Alamos Natl Lab, DOE Joint Genome Inst, Los Alamos, NM 87544 USA.
[Chertkov, Olga; Han, Cliff S.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87544 USA.
[Hauser, Loren J.; Land, Miriam L.; Larimer, Frank W.] Oak Ridge Natl Lab, Computat Biol & Bioinformat Grp, Biosci Div, Oak Ridge, TN 37831 USA.
[Pierson, Beverly K.] Univ Puget Sound, Dept Biol, Tacoma, WA 98416 USA.
RP Blankenship, RE (reprint author), Washington Univ, Dept Biol, Campus Box 1137, St Louis, MO 63130 USA.
EM Blankenship@wustl.edu
RI Hauser, Loren/H-3881-2012; Lapidus, Alla/I-4348-2013; Land,
Miriam/A-6200-2011
OI Lapidus, Alla/0000-0003-0427-8731; Land, Miriam/0000-0001-7102-0031
FU Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231]
FX 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. The authors thank the
contribution of Alex Copeland, Susan Lucas, Tijana Glavina del Rio,
Nancy Hammon, Hope N. Tice, Jeremy Schmutz, Thomas S. Brettin, David
Bruce, Chris Detter, Nikos C. Kyrpides, and Paul Richardson for gene
sequencing, assembling and annotation.
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U2 27
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1471-2164
J9 BMC GENOMICS
JI BMC Genomics
PD JUN 29
PY 2011
VL 12
AR 334
DI 10.1186/1471-2164-12-334
PG 21
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 803JK
UT WOS:000293577400001
PM 21714912
ER
PT J
AU Koenigsmann, C
Santulli, AC
Gong, KP
Vukmirovic, MB
Zhou, WP
Sutter, E
Wong, SS
Adzic, RR
AF Koenigsmann, Christopher
Santulli, Alexander C.
Gong, Kuanping
Vukmirovic, Miomir B.
Zhou, Wei-ping
Sutter, Eli
Wong, Stanislaus S.
Adzic, Radoslav R.
TI Enhanced Electrocatalytic Performance of Processed, Ultrathin, Supported
Pd-Pt Core-Shell Nanowire Catalysts for the Oxygen Reduction Reaction
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID PLATINUM-MONOLAYER ELECTROCATALYSTS; FUEL-CELL ELECTROCATALYSTS; O-2
REDUCTION; DURABILITY ENHANCEMENT; METAL NANOWIRES; NANOPARTICLES;
CARBON; SURFACES; CATHODE; NANOSTRUCTURES
AB We report on the synthesis, characterization, and electrochemical performance of novel, ultrathin Pt monolayer shell-Pd nanowire core catalysts. Initially, ultrathin Pd nanowires with diameters of 2.0 +/- 0.5 nm were generated, and a method has been developed to achieve highly uniform distributions of these catalysts onto the Vulcan XC-72 carbon support. As-prepared wires are activated by the use of two distinctive treatment protocols followed by selective CO adsorption in order to selectively remove undesirable organic residues. Subsequently, the desired nanowire core-Pt monolayer shell motif was reliably achieved by Cu underpotential deposition followed by galvanic displacement of the Cu adatoms. The surface area and mass activity of the acid and ozone-treated nanowires were assessed, and the ozone-treated nanowires were found to maintain outstanding area and mass specific activities of 0.77 mA/cm(2) and 1.83 A/mg(pt), respectively, which were significantly enhanced as compared with conventional commercial Pt nanoparticles, core-shell nanoparticles, and acid-treated nanowires. The ozone-treated nanowires also maintained excellent electrochemical durability under accelerated half-cell testing, and it was found that the area-specific activity increased by similar to 1.5 fold after a simulated catalyst lifetime.
C1 [Koenigsmann, Christopher; Santulli, Alexander C.; Wong, Stanislaus S.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Gong, Kuanping; Vukmirovic, Miomir B.; Zhou, Wei-ping; Adzic, Radoslav R.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Sutter, Eli] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 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; adzic@bnl.gov
RI zhou, weiping/C-6832-2012
OI zhou, weiping/0000-0002-8058-7280
FU U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and
Engineering Division; Department of Energy [DE-AC02-98CH10886]
FX Research (including support for S.S.W. and electrochemical experiments)
was supported by the U.S. Department of Energy, Basic Energy Sciences,
Materials Sciences and Engineering Division. We also acknowledge that
this work was done in part or in whole at the Center for Functional
Nanomaterials at Brookhaven National Laboratory, supported by the
Department of Energy under contract no. DE-AC02-98CH10886. S.S.W. thanks
the Alfred P. Sloan Foundation for experimental supplies necessary for
the synthesis reactions.
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U2 395
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 JUN 29
PY 2011
VL 133
IS 25
BP 9783
EP 9795
DI 10.1021/ja111130t
PG 13
WC Chemistry, Multidisciplinary
SC Chemistry
GA 788IX
UT WOS:000292439700035
PM 21644515
ER
PT J
AU Thorne, PW
Brohan, P
Titchner, HA
McCarthy, MP
Sherwood, SC
Peterson, TC
Haimberger, L
Parker, DE
Tett, SFB
Santer, BD
Fereday, DR
Kennedy, JJ
AF Thorne, Peter W.
Brohan, Philip
Titchner, Holly A.
McCarthy, Mark P.
Sherwood, Steve C.
Peterson, Thomas C.
Haimberger, Leopold
Parker, David E.
Tett, Simon F. B.
Santer, Benjamin D.
Fereday, David R.
Kennedy, John J.
TI A quantification of uncertainties in historical tropical tropospheric
temperature trends from radiosondes
SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
LA English
DT Article
ID CLIMATE-CHANGE; TIME-SERIES; DATA SET; RECORDS; BIASES; REANALYSIS;
PRODUCTS; NETWORK; QUALITY; SURFACE
AB The consistency of tropical tropospheric temperature trends with climate model expectations remains contentious. A key limitation is that the uncertainties in observations from radiosondes are both substantial and poorly constrained. We present a thorough uncertainty analysis of radiosonde-based temperature records. This uses an automated homogenization procedure and a previously developed set of complex error models where the answer is known a priori. We perform a number of homogenization experiments in which error models are used to provide uncertainty estimates of real-world trends. These estimates are relatively insensitive to a variety of processing choices. Over 1979-2003, the satellite-equivalent tropical lower tropospheric temperature trend has likely (5-95% confidence range) been between -0.01 K/decade and 0.19 K/decade (0.05-0.23 K/decade over 1958-2003) with a best estimate of 0.08 K/decade (0.14 K/decade). This range includes both available satellite data sets and estimates from models (based upon scaling their tropical amplification behavior by observed surface trends). On an individual pressure level basis, agreement between models, theory, and observations within the troposphere is uncertain over 1979 to 2003 and nonexistent above 300 hPa. Analysis of 1958-2003, however, shows consistent model-data agreement in tropical lapse rate trends at all levels up to the tropical tropopause, so the disagreement in the more recent period is not necessarily evidence of a general problem in simulating long-term global warming. Other possible reasons for the discrepancy since 1979 are: observational errors beyond those accounted for here, end-point effects, inadequate decadal variability in model lapse rates, or neglected climate forcings.
C1 [Thorne, Peter W.; Brohan, Philip; Titchner, Holly A.; McCarthy, Mark P.; Parker, David E.; Fereday, David R.; Kennedy, John J.] Met Off Hadley Ctr, Exeter EX1 3PB, Devon, England.
[Thorne, Peter W.] N Carolina State Univ, Cooperat Inst Climate & Satellites, Asheville, NC 28801 USA.
[Thorne, Peter W.; Peterson, Thomas C.] NOAA, Natl Climat Data Ctr, Asheville, NC 28801 USA.
[Santer, Benjamin D.] Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Livermore, CA 94551 USA.
[Haimberger, Leopold] Univ Vienna, Dept Meteorol & Geophys, A-1090 Vienna, Austria.
[Sherwood, Steve C.] Univ New S Wales, Climate Change Res Ctr, Sydney, NSW 2052, Australia.
[Tett, Simon F. B.] Univ Edinburgh, Sch Geosci, Edinburgh EH9 3JW, Midlothian, Scotland.
RP Thorne, PW (reprint author), Met Off Hadley Ctr, Exeter EX1 3PB, Devon, England.
EM Peter.Thorne@noaa.gov
RI Santer, Benjamin/F-9781-2011; Sherwood, Steven/B-5673-2008; Tett,
Simon/B-1504-2013; Thorne, Peter/F-2225-2014
OI Sherwood, Steven/0000-0001-7420-8216; Tett, Simon/0000-0001-7526-560X;
Thorne, Peter/0000-0003-0485-9798
FU Joint DECC; Defra Integrated Climate Programme - DECC/Defra [GA01101]
FX Many Met Office research staff allowed their computers to be used to
complete the monthly and pentad ensembles over Christmas 2007 and
Christmas 2008. Steve Sherwood, Leo Haimberger, and Thomas Peterson
received within-UK travel costs from the Met Office under the Integrated
Climate Program while undertaking portions of this work. Discussions
with Matt Menne and Claude Williams of NOAA NCDC on a related project
helped focus some of the work. Met Office authors were supported by the
Joint DECC and Defra Integrated Climate Programme - DECC/Defra
(GA01101). NCDC graphics team helped improve figure clarity.
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PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 2169-897X
EI 2169-8996
J9 J GEOPHYS RES-ATMOS
JI J. Geophys. Res.-Atmos.
PD JUN 29
PY 2011
VL 116
AR D12116
DI 10.1029/2010JD015487
PG 19
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 787MK
UT WOS:000292380500003
ER
PT J
AU Wang, LL
Johnson, DD
AF Wang, Lin-Lin
Johnson, Duane D.
TI Ternary tetradymite compounds as topological insulators
SO PHYSICAL REVIEW B
LA English
DT Article
ID TOTAL-ENERGY CALCULATIONS; SINGLE DIRAC CONE; WAVE BASIS-SET;
ELECTRON-GAS; SURFACE; BI2TE3
AB Ternary tetradymites Bi(2)Te(2)S, Bi(2)Te(2)Se, and Bi(2)Se(2)Te are found to be stable, bulk topological insulators via theory, showing band inversion between group V and VI p(z) orbitals. We identify Bi(2)Se(2)Te as a good candidate to study massive Dirac fermions, with a (111) cleavage-surface-derived Dirac point (DP) isolated in the bulk-band gap at the Fermi energy (E(f))-like Bi(2)Se(3) but with a spin texture alterable by layer chemistry. In contrast, Bi(2)Te(2)S and Bi(2)Te(2)Se (111) behave like Bi(2)Te(3), with a DP below E(f) buried in bulk bands. Bi(2)Te(2)S offers large bulk resistivity needed for devices.
C1 [Wang, Lin-Lin; Johnson, Duane D.] Ames Lab, Div Engn & Mat Sci, Ames, IA 50011 USA.
[Johnson, Duane D.] Iowa State Univ Sci & Technol, Dept Mat Sci & Engn, Ames, IA 50011 USA.
RP Wang, LL (reprint author), Ames Lab, Div Engn & Mat Sci, Ames, IA 50011 USA.
EM llw@ameslab.gov; ddj@ameslab.gov
OI Johnson, Duane/0000-0003-0794-7283
FU US Department of Energy, Office of Basic Energy Sciences, Division of
Materials Science and Engineering; DoE [DE-AC02-07CH11358]
FX Work at Ames Laboratory was supported by the US Department of Energy,
Office of Basic Energy Sciences, Division of Materials Science and
Engineering. Ames Laboratory is operated for DoE by Iowa State
University under Contract No. DE-AC02-07CH11358.
NR 28
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U2 19
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 JUN 29
PY 2011
VL 83
IS 24
AR 241309
DI 10.1103/PhysRevB.83.241309
PG 4
WC Physics, Condensed Matter
SC Physics
GA 785HV
UT WOS:000292219500001
ER
PT J
AU Wee, SH
Specht, ED
Cantoni, C
Zuev, YL
Maroni, V
Wong-Ng, W
Liu, GY
Haugan, TJ
Goyal, A
AF Wee, Sung Hun
Specht, Eliot D.
Cantoni, Claudia
Zuev, Yuri L.
Maroni, Victor
Wong-Ng, Winnie
Liu, Guangyao
Haugan, Timothy J.
Goyal, Amit
TI Formation of stacking faults and their correlation with flux pinning and
critical current density in Sm-doped YBa2Cu3O7-(delta) films
SO PHYSICAL REVIEW B
LA English
DT Article
ID EPITAXIAL NDBA2CU3O7-DELTA FILMS; SELF-ASSEMBLED NANODOTS; PULSED-LASER
DEPOSITION; YBA2CU3O7-DELTA FILMS; THIN-FILMS; DEFECTS; GROWTH; BAZRO3;
LAYER
AB A correlation between flux-pinning characteristics and stacking faults (SFs) formed by Sm substitution on Y and Ba sites was found in Sm-doped YBa2Cu3O7-delta films. It was confirmed that 223-type-SFs, Y2Ba2Cu3Ox, composed of extra Y and O planes aligned parallel to the ab-planes formed via Sm substitution on the Y site and increased in number with increasing Sm doping on the Ba site. The number density of 223 SFs is correlated strongly with the enhancement in ab-plane-correlated flux pinning, resulting in a sharpening of the H parallel to ab peak in the plot of critical current density versus magnetic field orientation.
C1 [Wee, Sung Hun; Specht, Eliot D.; Cantoni, Claudia; Zuev, Yuri L.; Goyal, Amit] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Zuev, Yuri L.] Univ Tennessee, Dept Phys, Knoxville, TN 37996 USA.
[Maroni, Victor] Argonne Natl Lab, Argonne, IL 60439 USA.
[Wong-Ng, Winnie; Liu, Guangyao] NIST, Div Ceram, Gaithersburg, MD 20899 USA.
[Haugan, Timothy J.] USAF, AFRL RZPG, Res Lab, Wright Patterson AFB, OH 45433 USA.
RP Wee, SH (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM wees@ornl.gov
RI Specht, Eliot/A-5654-2009; Cantoni, Claudia/G-3031-2013
OI Specht, Eliot/0000-0002-3191-2163; Cantoni, Claudia/0000-0002-9731-2021
FU US Department of Energy (DOE) Office of Electricity Delivery and Energy
Reliability Advanced Cables and Conductors [DE-AC05-00OR22725];
UT-Battelle, LLC; Office of Basic Energy Sciences, US DOE; Argonne
National Laborator [DE-AC02-06CH11357]; UChicago Argonne, LLC; US DOE,
Office of Science, Office of Basic Energy Sciences
FX We would like to thank SuperPower Inc. for providing the Hastelloy
substrates with the multilayer configuration of IBAD MgO layer,
homoepitaxial MgO layer, and epitaxial LaMnO3. This research
was sponsored by the US Department of Energy (DOE) Office of Electricity
Delivery and Energy Reliability Advanced Cables and Conductors under
Contract DE-AC05-00OR22725 with UT-Battelle, LLC, managing contractor
for Oak Ridge National Laboratory. Research also supported by ORNL's
Shared Research Equipment (SHaRE) User Facility, which is sponsored by
the Office of Basic Energy Sciences, US DOE. Use of Raman
instrumentation at Argonne's Center for Nanoscale Materials was
supported by the US DOE, Office of Science, Office of Basic Energy
Sciences. The work performed at the Argonne National Laboratory was
carried out under Contract DE-AC02-06CH11357 between UChicago Argonne,
LLC, and the US DOE.
NR 24
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U1 0
U2 5
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 JUN 29
PY 2011
VL 83
IS 22
AR 224520
DI 10.1103/PhysRevB.83.224520
PG 6
WC Physics, Condensed Matter
SC Physics
GA 785HK
UT WOS:000292218200007
ER
PT J
AU 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
Koch, H
Schroeder, T
Asgeirsson, DJ
Hearty, C
Mattison, TS
McKenna, JA
Khan, 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
Stoker, DP
Atmacan, H
Gary, JW
Liu, F
Long, O
Vitug, GM
Campagnari, C
Hong, TM
Kovalskyi, D
Richman, JD
West, CA
Eisner, AM
Kroseberg, J
Lockman, WS
Martinez, AJ
Schalk, T
Schumm, BA
Seiden, A
Cheng, CH
Doll, DA
Echenard, B
Flood, KT
Hitlin, DG
Ongmongkolkul, P
Porter, FC
Rakitin, AY
Andreassen, R
Dubrovin, MS
Meadows, BT
Sokoloff, MD
Bloom, PC
Ford, WT
Gaz, A
Nagel, M
Nauenberg, U
Smith, JG
Wagner, SR
Ayad, R
Toki, WH
Spaan, B
Kobel, MJ
Schubert, KR
Schwierz, R
Bernard, D
Verderi, M
Clark, PJ
Playfer, S
Watson, JE
Bettoni, D
Bozzi, C
Calabrese, R
Cibinetto, G
Fioravanti, E
Garzia, I
Luppi, E
Munerato, M
Negrini, M
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
Bhuyan, B
Prasad, V
Lee, CL
Morii, M
Edwards, AJ
Adametz, A
Marks, J
Uwer, U
Bernlochner, FU
Ebert, M
Lacker, HM
Lueck, T
Dauncey, PD
Tibbetts, M
Behera, PK
Mallik, U
Chen, C
Cochran, J
Crawley, HB
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gritsan, AV
Guo, ZJ
Arnaud, N
Davier, M
Derkach, D
Grosdidier, G
Le Diberder, F
Lutz, AM
Malaescu, B
Roudeau, P
Schune, MH
Stocchi, A
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Chavez, CA
Coleman, JP
Fry, JR
Gabathuler, E
Hutchcroft, DE
Payne, DJ
Touramanis, C
Bevan, AJ
Di Lodovico, F
Sacco, R
Sigamani, M
Cowan, G
Paramesvaran, S
Brown, DN
Davis, CL
Denig, AG
Fritsch, M
Gradl, W
Hafner, A
Alwyn, KE
Bailey, D
Barlow, RJ
Jackson, G
Lafferty, GD
Cenci, R
Hamilton, B
Jawahery, A
Roberts, DA
Simi, G
Dallapiccola, C
Salvati, E
Cowan, R
Dujmic, D
Sciolla, G
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
Taras, P
De Nardo, G
Monorchio, D
Onorato, G
Sciacca, C
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Wang, WF
Honscheid, K
Kass, R
Brau, J
Frey, R
Sinev, NB
Strom, D
Torrence, E
Feltresi, E
Gagliardi, N
Margoni, M
Morandin, M
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Ben-Haim, E
Bomben, M
Bonneaud, GR
Briand, H
Calderini, G
Chauveau, J
Hamon, O
Leruste, P
Marchiori, G
Ocariz, 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
Oberhof, B
Paoloni, E
Perez, A
Rizzo, G
Walsh, JJ
Pegna, DL
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Anulli, F
Cavoto, G
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Gioi, LL
Mazzoni, MA
Piredda, G
Bunger, C
Hartmann, T
Leddig, T
Schroder, H
Waldi, R
Adye, T
Olaiya, EO
Wilson, FF
Emery, S
de Monchenault, GH
Vasseur, G
Yeche, C
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
Lewis, P
Li, S
Lindquist, B
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Muller, DR
Neal, H
Nelson, S
Ofte, I
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Santoro, V
Schindler, RH
Snyder, A
Su, D
Sullivan, MK
Va'vra, J
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Wulsin, HW
Yarritu, AK
Young, CC
Ziegler, V
Park, W
Purohit, MV
White, RM
Wilson, JR
Randle-Conde, A
Sekula, SJ
Bellis, M
Burchat, PR
Miyashita, TS
Alam, MS
Ernst, JA
Gorodeisky, R
Guttman, N
Peimer, DR
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
Lanceri, L
Vitale, L
Lopez-March, N
Martinez-Vidal, F
Oyanguren, A
Ahmed, H
Albert, J
Banerjee, S
Choi, HHF
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
Pan, Y
Prepost, R
Vuosalo, CO
Wu, SL
AF Lees, J. P.
Poireau, V.
Prencipe, E.
Tisserand, V.
Garra Tico, J.
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.
Koch, H.
Schroeder, T.
Asgeirsson, D. J.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Khan, 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.
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. A.
Eisner, A. M.
Kroseberg, J.
Lockman, W. S.
Martinez, A. J.
Schalk, T.
Schumm, B. A.
Seiden, A.
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Ebert, M.
Lacker, H. M.
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Tibbetts, M.
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Meyer, W. T.
Prell, S.
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Rubin, A. E.
Gritsan, A. V.
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Arnaud, N.
Davier, M.
Derkach, D.
Grosdidier, G.
Le Diberder, F.
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Malaescu, B.
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Wormser, G.
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Wright, D. M.
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Gabathuler, E.
Hutchcroft, D. E.
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Sacco, R.
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Paramesvaran, S.
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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.
Cenci, R.
Hamilton, B.
Jawahery, A.
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Simi, G.
Dallapiccola, C.
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Dujmic, D.
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Lazzaro, A.
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Palombo, F.
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Cremaldi, L.
Godang, R.
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Taras, P.
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Frey, R.
Sinev, N. B.
Strom, D.
Torrence, E.
Feltresi, E.
Gagliardi, N.
Margoni, M.
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Posocco, M.
Rotondo, M.
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de Monchenault, G. Hamel
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Wittgen, M.
Wright, D. H.
Wulsin, H. W.
Yarritu, A. K.
Young, C. C.
Ziegler, V.
Park, W.
Purohit, M. V.
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Sekula, S. J.
Bellis, M.
Burchat, P. R.
Miyashita, T. S.
Alam, M. S.
Ernst, J. A.
Gorodeisky, R.
Guttman, N.
Peimer, D. R.
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.
Lanceri, L.
Vitale, L.
Lopez-March, N.
Martinez-Vidal, F.
Oyanguren, A.
Ahmed, H.
Albert, J.
Banerjee, Sw.
Choi, H. H. F.
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.
Pan, Y.
Prepost, R.
Vuosalo, C. O.
Wu, S. L.
CA BaBar Collaboration
TI Amplitude analysis of B-0 -> K+ pi(-) pi(0) and evidence of direct CP
violation in B -> K * pi decays
SO PHYSICAL REVIEW D
LA English
DT Article
ID PHYSICS; MESONS
AB We analyze the decay B-0 -> K+ pi(-) pi(0) with a sample of 4.54 x 10(8) B (B) over bar events collected by the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC, and extract the complex amplitudes of seven interfering resonances over the Dalitz plot. These results are combined with amplitudes measured in B-0 -> K-S(0)pi(+)pi(-) decays to construct isospin amplitudes from B-0 -> K* pi and B-0 -> rho K decays. We measure the phase of the isospin amplitude Phi(3/2), useful in constraining the Cabibbo-Kobayashi-Maskawa unitarity triangle angle gamma and evaluate a CP rate asymmetry sum rule sensitive to the presence of new physics operators. We measure direct CP violation in B-0 -> K*(+) pi(-) decays at the level of 3 sigma when measurements from both B-0 -> K+ pi(-) pi(0) and B-0 -> K-S(0) pi(+) pi(-) decays are combined.
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[Lanceri, L.; Vitale, L.] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy.
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RP Lees, JP (reprint author), Univ Savoie, CNRS IN2P3, Lab Annecy Le Vieux Phys Particules LAPP, F-74941 Annecy Le Vieux, France.
RI Rizzo, Giuliana/A-8516-2015; Kolomensky, Yury/I-3510-2015; Lo Vetere,
Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin,
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Raymond/E-2830-2016; White, Ryan/E-2979-2015; Kravchenko,
Evgeniy/F-5457-2015; Calabrese, Roberto/G-4405-2015; Neri,
Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Rotondo,
Marcello/I-6043-2012; de Sangro, Riccardo/J-2901-2012; 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; Martinez Vidal, F*/L-7563-2014
OI Raven, Gerhard/0000-0002-2897-5323; Cibinetto,
Gianluigi/0000-0002-3491-6231; Pacetti, Simone/0000-0002-6385-3508;
Rizzo, Giuliana/0000-0003-1788-2866; Faccini,
Riccardo/0000-0003-2613-5141; 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;
Paoloni, Eugenio/0000-0001-5969-8712; White, Ryan/0000-0003-3589-5900;
Calabrese, Roberto/0000-0002-1354-5400; 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; 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; Martinez Vidal,
F*/0000-0001-6841-6035
FU US Department of Energy; National Science Foundation; Natural Sciences
and Engineering Research Council (Canada); Commissariat a l'Energie
Atomique and Institut National de Physique Nucleaire et de Physique des
Particules (France); Bundesministerium fur Bildung und Forschung and
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 (USA); Binational Science
Foundation (USA-Israel)
FX We thank Michael Gronau, Dan Pirjol, and Jonathan Rosner for useful
discussions. 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 US 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 (USA), and the
Binational Science Foundation (USA-Israel).
NR 29
TC 14
Z9 14
U1 2
U2 7
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
EI 1550-2368
J9 PHYS REV D
JI Phys. Rev. D
PD JUN 29
PY 2011
VL 83
IS 11
AR 112010
DI 10.1103/PhysRevD.83.112010
PG 21
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 785PF
UT WOS:000292240300001
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
Arnoud, Y
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
Caughron, S
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
Cwiok, M
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
Hesketh, G
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
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
Rich, 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
Warchol, J
Watts, G
Wayne, M
Weber, M
Welty-Rieger, L
White, A
Wicke, D
Williams, MRJ
Wilson, GW
Wimpenny, SJ
Wobisch, M
Wood, DR
Wyatt, TR
Xie, Y
Xu, C
Yacoob, S
Yamada, R
Yang, WC
Yasuda, T
Yatsunenko, YA
Ye, Z
Yin, H
Yip, K
Youn, SW
Yu, J
Zelitch, S
Zhao, T
Zhou, B
Zhu, J
Zielinski, M
Zieminska, D
Zivkovic, L
AF Abazov, V. M.
Abbott, B.
Acharya, B. S.
Adams, M.
Adams, T.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alverson, G.
Alves, G. A.
Ancu, L. S.
Aoki, M.
Arnoud, Y.
Arov, M.
Askew, A.
Asman, B.
Atramentov, O.
Avila, C.
BackusMayes, J.
Badaud, F.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, S.
Barberis, E.
Baringer, P.
Barreto, J.
Bartlett, J. F.
Bassler, U.
Bazterra, V.
Beale, S.
Bean, A.
Begalli, M.
Begel, M.
Belanger-Champagne, C.
Bellantoni, L.
Beri, S. B.
Bernardi, G.
Bernhard, R.
Bertram, I.
Besancon, M.
Beuselinck, R.
Bezzubov, V. A.
Bhat, P. C.
Bhatnagar, V.
Blazey, G.
Blessing, S.
Bloom, K.
Boehnlein, A.
Boline, D.
Bolton, T. A.
Boos, E. E.
Borissov, G.
Bose, T.
Brandt, A.
Brandt, O.
Brock, R.
Brooijmans, G.
Bross, A.
Brown, D.
Brown, J.
Bu, X. B.
Buehler, M.
Buescher, V.
Bunichev, V.
Burdin, S.
Burnett, T. H.
Buszello, C. P.
Calpas, B.
Camacho-Perez, E.
Carrasco-Lizarraga, M. A.
Casey, B. C. K.
Castilla-Valdez, H.
Caughron, S.
Chakrabarti, S.
Chakraborty, D.
Chan, K. M.
Chandra, A.
Chen, G.
Chevalier-Thery, S.
Cho, D. K.
Cho, S. W.
Choi, S.
Choudhary, B.
Christoudias, T.
Cihangir, S.
Claes, D.
Clutter, J.
Cooke, M.
Cooper, W. E.
Corcoran, M.
Couderc, F.
Cousinou, M. -C.
Croc, A.
Cutts, D.
Cwiok, M.
Das, A.
Davies, G.
De, K.
de Jong, S. J.
De La Cruz-Burelo, E.
Deliot, F.
Demarteau, M.
Demina, R.
Denisov, D.
Denisov, S. P.
Desai, S.
DeVaughan, K.
Diehl, H. T.
Diesburg, M.
Dominguez, A.
Dorland, T.
Dubey, A.
Dudko, L. V.
Duggan, D.
Duperrin, A.
Dutt, S.
Dyshkant, A.
Eads, M.
Edmunds, D.
Ellison, J.
Elvira, V. D.
Enari, Y.
Evans, H.
Evdokimov, A.
Evdokimov, V. N.
Facini, G.
Ferbel, T.
Fiedler, F.
Filthaut, F.
Fisher, W.
Fisk, H. E.
Fortner, M.
Fox, H.
Fuess, S.
Gadfort, T.
Garcia-Bellido, A.
Gavrilov, V.
Gay, P.
Geist, W.
Geng, W.
Gerbaudo, D.
Gerber, C. E.
Gershtein, Y.
Ginther, G.
Golovanov, G.
Goussiou, A.
Grannis, P. D.
Greder, S.
Greenlee, H.
Greenwood, Z. D.
Gregores, E. M.
Grenier, G.
Gris, Ph.
Grivaz, J. -F.
Grohsjean, A.
Gruenendahl, S.
Gruenewald, M. W.
Guo, F.
Gutierrez, G.
Gutierrez, P.
Haas, A.
Hagopian, S.
Haley, J.
Han, L.
Harder, K.
Harel, A.
Hauptman, J. M.
Hays, J.
Head, T.
Hebbeker, T.
Hedin, D.
Hegab, H.
Heinson, A. P.
Heintz, U.
Hensel, C.
Heredia-De La Cruz, I.
Herner, K.
Hesketh, G.
Hildreth, M. D.
Hirosky, R.
Hoang, T.
Hobbs, J. D.
Hoeneisen, B.
Hohlfeld, M.
Hossain, S.
Hubacek, Z.
Huske, N.
Hynek, V.
Iashvili, I.
Illingworth, R.
Ito, A. S.
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, P. A.
Katsanos, I.
Kehoe, R.
Kermiche, S.
Khalatyan, N.
Khanov, A.
Kharchilava, A.
Kharzheev, Y. N.
Khatidze, D.
Kirby, M. H.
Kohli, J. M.
Kozelov, A. V.
Kraus, J.
Kumar, A.
Kupco, A.
Kurca, T.
Kuzmin, V. A.
Kvita, J.
Lammers, S.
Landsberg, G.
Lebrun, P.
Lee, H. S.
Lee, S. W.
Lee, W. M.
Lellouch, J.
Li, L.
Li, Q. Z.
Lietti, S. M.
Lim, J. K.
Lincoln, D.
Linnemann, J.
Lipaev, V. V.
Lipton, R.
Liu, Y.
Liu, Z.
Lobodenko, A.
Lokajicek, M.
Love, P.
Lubatti, H. J.
Luna-Garcia, R.
Lyon, A. L.
Maciel, A. K. A.
Mackin, D.
Madar, R.
Magana-Villalba, R.
Malik, S.
Malyshev, V. L.
Maravin, Y.
Martinez-Ortega, J.
McCarthy, R.
McGivern, C. L.
Meijer, M. M.
Melnitchouk, A.
Menezes, D.
Mercadante, P. G.
Merkin, M.
Meyer, A.
Meyer, J.
Mondal, N. K.
Muanza, G. S.
Mulhearn, M.
Nagy, E.
Naimuddin, M.
Narain, M.
Nayyar, R.
Neal, H. A.
Negret, J. P.
Neustroev, P.
Novaes, S. F.
Nunnemann, T.
Obrant, G.
Orduna, J.
Osman, N.
Osta, J.
Otero y Garzon, G. J.
Owen, M.
Padilla, M.
Pangilinan, M.
Parashar, N.
Parihar, V.
Park, S. K.
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, M. -A.
Podesta-Lerma, P. L. M.
Podstavkov, V. M.
Pol, M. -E.
Polozov, P.
Popov, A. V.
Prewitt, M.
Price, D.
Protopopescu, S.
Qian, J.
Quadt, A.
Quinn, B.
Rangel, M. S.
Ranjan, K.
Ratoff, P. N.
Razumov, I.
Renkel, P.
Rich, P.
Rijssenbeek, M.
Ripp-Baudot, I.
Rizatdinova, F.
Rominsky, M.
Royon, C.
Rubinov, P.
Ruchti, R.
Safronov, G.
Sajot, G.
Sanchez-Hernandez, A.
Sanders, M. P.
Sanghi, B.
Santos, A. S.
Savage, G.
Sawyer, L.
Scanlon, T.
Schamberger, R. D.
Scheglov, Y.
Schellman, H.
Schliephake, T.
Schlobohm, S.
Schwanenberger, C.
Schwienhorst, R.
Sekaric, J.
Severini, H.
Shabalina, E.
Shary, V.
Shchukin, A. A.
Shivpuri, R. K.
Simak, V.
Sirotenko, V.
Skubic, P.
Slattery, P.
Smirnov, D.
Smith, K. J.
Snow, G. R.
Snow, J.
Snyder, S.
Soeldner-Rembold, S.
Sonnenschein, L.
Sopczak, A.
Sosebee, M.
Soustruznik, K.
Spurlock, B.
Stark, J.
Stolin, V.
Stoyanova, D. A.
Strauss, M.
Strom, D.
Stutte, L.
Suter, L.
Svoisky, P.
Takahashi, M.
Tanasijczuk, A.
Taylor, W.
Titov, M.
Tokmenin, V. V.
Tsai, Y. -T.
Tsybychev, D.
Tuchming, B.
Tully, C.
Tuts, P. M.
Uvarov, L.
Uvarov, S.
Uzunyan, S.
Van Kooten, R.
van Leeuwen, W. M.
Varelas, N.
Varnes, E. W.
Vasilyev, I. A.
Verdier, P.
Vertogradov, L. S.
Verzocchi, M.
Vesterinen, M.
Vilanova, D.
Vint, P.
Vokac, P.
Wahl, H. D.
Wang, M. H. L. S.
Warchol, J.
Watts, G.
Wayne, M.
Weber, M.
Welty-Rieger, L.
White, A.
Wicke, D.
Williams, M. R. J.
Wilson, G. W.
Wimpenny, S. J.
Wobisch, M.
Wood, D. R.
Wyatt, T. R.
Xie, Y.
Xu, C.
Yacoob, S.
Yamada, R.
Yang, W. -C.
Yasuda, T.
Yatsunenko, Y. A.
Ye, Z.
Yin, H.
Yip, K.
Youn, S. W.
Yu, J.
Zelitch, S.
Zhao, T.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
CA D0 Collaboration
TI Search for Resonant WW and WZ Production in p(p)over-bar Collisions at
root s=1.96 TeV
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB We search for resonant WW or WZ production by using up to 5: 4 fb(-1) of integrated luminosity collected by the D0 experiment in run II of the Fermilab Tevatron Collider. The data are consistent with the standard model background expectation, and we set limits on a resonance mass by using the sequential standard model W' boson and the Randall-Sundrum model graviton G as benchmarks. We exclude a sequential standard model W' boson in the mass range 180-690 GeV and a Randall-Sundrum graviton in the range 300-754 GeV at 95% C. L.
C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia.
[Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina.
[Alves, G. A.; Barreto, J.; Maciel, A. K. A.; Pol, M. -E.; Rangel, M. S.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
[Begalli, M.] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil.
[Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil.
[Lietti, S. M.; Novaes, S. F.; Santos, A. S.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Beale, S.; Liu, Z.; Taylor, W.] Simon Fraser Univ, Vancouver, BC, Canada.
[Alton, A.; Beale, S.; Liu, Z.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada.
[Han, L.; Liu, Y.] Univ Sci & Technol China, Hefei 230026, Peoples R China.
[Avila, C.; Negret, J. P.] Univ Los Andes, Bogota, Colombia.
[Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hubacek, Z.; Hynek, V.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hoeneisen, B.] Univ San Francisco Quito, Quito, Ecuador.
[Badaud, F.; Gay, P.; Gris, Ph.] Univ Clermont Ferrand, LPC, CNRS, IN2P3, Clermont, France.
[Arnoud, Y.; Sajot, G.; Stark, J.] Univ Grenoble 1, CNRS, LPSC, Inst Natl Polytech Grenoble,IN2P3, Grenoble, France.
[Calpas, B.; Cousinou, M. -C.; Duperrin, A.; Geng, W.; Jamin, D.; Kajfasz, E.; Kermiche, S.; Muanza, G. S.; Nagy, E.] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France.
[Grivaz, J. -F.; Jaffre, M.; Petroff, P.] Univ Paris 11, CNRS, LAL, IN2P3, F-91405 Orsay, France.
[Bernardi, G.; Brown, D.; Brown, J.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 06, CNRS, LPNHE, IN2P3, Paris, France.
[Bernardi, G.; Brown, D.; Brown, J.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 07, CNRS, LPNHE, IN2P3, Paris, France.
[Bassler, U.; Besancon, M.; Chevalier-Thery, S.; Couderc, F.; Croc, A.; Deliot, F.; Grohsjean, A.; Hubacek, Z.; Madar, R.; Royon, C.; Shary, V.; Titov, M.; Tuchming, B.; Vilanova, D.] CEA, SPP, Irfu, Saclay, France.
[Geist, W.; Greder, S.; Ripp-Baudot, I.] Univ Strasbourg, IPHC, CNRS, IN2P3, Strasbourg, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon, Lyon, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon 1, CNRS, IPNL, IN2P3, F-69622 Villeurbanne, France.
[Hebbeker, T.; Meyer, A.; Sonnenschein, L.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Bernhard, R.] Univ Freiburg, Inst Phys, Freiburg, Germany.
[Brandt, O.; Hensel, C.; Meyer, J.; Quadt, A.; Shabalina, E.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Buescher, V.; Fiedler, F.; Hohlfeld, M.] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany.
[Nunnemann, T.; Sanders, M. P.] Univ Munich, Munich, Germany.
[Schliephake, T.; Wicke, D.] Berg Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany.
[Beri, S. B.; Bhatnagar, V.; Dutt, S.; Joshi, J.; Kohli, J. M.] Panjab Univ, Chandigarh 160014, India.
[Choudhary, B.; Dubey, A.; Naimuddin, M.; Nayyar, R.; Ranjan, K.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India.
[Acharya, B. S.; Banerjee, S.; Mondal, N. K.] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.
[Cwiok, M.; Gruenewald, M. W.] Univ Coll Dublin, Dublin 2, Ireland.
[Cho, S. W.; Choi, S.; Lee, H. S.; Lim, J. K.; Park, S. K.] Korea Univ, Korea Detector Lab, Seoul, South Korea.
[Camacho-Perez, E.; Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-De La Cruz, I.; Luna-Garcia, R.; Magana-Villalba, R.; Martinez-Ortega, J.; Orduna, J.; Podesta-Lerma, P. L. M.; Sanchez-Hernandez, A.] CINVESTAV, Mexico City 14000, DF, Mexico.
[van Leeuwen, W. M.] FOM Inst NIKHEF, Amsterdam, Netherlands.
[van Leeuwen, W. M.] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands.
[Ancu, L. S.; de Jong, S. J.; Filthaut, F.; Meijer, M. M.] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands.
[Gavrilov, V.; Polozov, P.; Safronov, G.; Stolin, V.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Boos, E. E.; Bunichev, V.; Dudko, L. V.; Karmanov, D.; Kuzmin, V. A.; Merkin, M.; Perfilov, M.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Bezzubov, V. A.; Denisov, S. P.; Evdokimov, V. N.; Kozelov, A. V.; Lipaev, V. V.; Popov, A. V.; Razumov, I.; Shchukin, A. A.; Stoyanova, D. A.; Vasilyev, I. A.] Inst High Energy Phys, Protvino, Russia.
[Alkhazov, G.; Lobodenko, A.; Neustroev, P.; Obrant, G.; Scheglov, Y.; Uvarov, L.; Uvarov, S.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Asman, B.; Belanger-Champagne, C.; Buszello, C. P.] Stockholm Univ, S-10691 Stockholm, Sweden.
[Asman, B.; Belanger-Champagne, C.; Buszello, C. P.] Uppsala Univ, Uppsala, Sweden.
[Bertram, I.; Borissov, G.; Burdin, S.; Fox, H.; Love, P.; Ratoff, P. N.; Sopczak, A.; Williams, M. R. J.] Univ Lancaster, Lancaster LA1 4YB, England.
[Beuselinck, R.; Christoudias, T.; Davies, G.; Hays, J.; Jesik, R.; Jonsson, P.; Osman, N.; Scanlon, T.; Vint, P.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Harder, K.; Head, T.; Owen, M.; Peters, K.; Peters, Y.; Rich, P.; Schwanenberger, C.; Soeldner-Rembold, S.; Suter, L.; Takahashi, M.; Vesterinen, M.; Wyatt, T. R.; Yang, W. -C.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Das, A.; Johns, K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA.
[Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.; Wimpenny, S. J.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Adams, T.; Askew, A.; Bandurin, D. V.; Blessing, S.; Hagopian, S.; Hoang, T.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA.
[Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Bu, X. B.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Juste, A.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rominsky, M.; Rubinov, P.; Sanghi, B.; Savage, G.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Weber, M.; Xie, Y.; Yamada, R.; Yasuda, T.; Ye, Z.; Yin, H.; Youn, S. W.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adams, M.; Bazterra, V.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Uzunyan, S.] Univ Illinois, De Kalb, IL 60115 USA.
[Kirby, M. H.; Schellman, H.; Welty-Rieger, L.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA.
[Evans, H.; Lammers, S.; Parua, N.; Price, D.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA.
[Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA.
[Chan, K. M.; Hildreth, M. D.; Osta, J.; Ruchti, R.; Smirnov, D.; Warchol, J.; Wayne, M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Hauptman, J. M.; Lee, S. W.] Iowa State Univ, Ames, IA 50011 USA.
[Baringer, P.; Bean, A.; Carrasco-Lizarraga, M. A.; Chen, G.; Clutter, J.; McGivern, C. L.; Sekaric, J.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA.
[Bolton, T. A.; Kaadze, K.; Maravin, Y.] Kansas State Univ, Manhattan, KS 66506 USA.
[Arov, M.; Greenwood, Z. D.; Sawyer, L.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA.
[Bose, T.] Boston Univ, Boston, MA 02215 USA.
[Alverson, G.; Barberis, E.; Facini, G.; Haley, J.; Hesketh, G.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA.
[Alton, A.; Herner, K.; Neal, H. A.; Qian, J.; Xu, C.; Zhou, B.; Zhu, J.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Brock, R.; Edmunds, D.; Fisher, W.; Geng, W.; Kraus, J.; Linnemann, J.; Piper, J.; Schwienhorst, R.] Michigan State Univ, E Lansing, MI 48824 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Johnston, D.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA.
[Atramentov, O.; Duggan, D.; Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA.
[Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Smith, K. J.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Caughron, S.; Haas, A.; Parsons, J.; Tuts, P. M.; Zivkovic, L.] Columbia Univ, New York, NY 10027 USA.
[Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Petrillo, G.; Slattery, P.; Tsai, Y. -T.; Wang, M. H. L. S.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Boline, D.; Chakrabarti, S.; Grannis, P. D.; Guo, F.; Hobbs, J. D.; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Begel, M.; Evdokimov, A.; Gadfort, T.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Snow, J.] Langston Univ, Langston, OK 73050 USA.
[Abbott, B.; Gutierrez, P.; Hossain, S.; Severini, H.; Skubic, P.; Strauss, M.; Svoisky, P.] Univ Oklahoma, Norman, OK 73019 USA.
[Hegab, H.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Cho, D. K.; Cutts, D.; Heintz, U.; Jabeen, S.; Khatidze, D.; Landsberg, G.; Narain, M.; Pangilinan, M.; Parihar, V.; Partridge, R.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Sosebee, M.; Spurlock, B.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[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 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; De, Kaushik/N-1953-2013; Ancu, Lucian
Stefan/F-1812-2010; Boos, Eduard/D-9748-2012; Santos,
Angelo/K-5552-2012; Novaes, Sergio/D-3532-2012; Dudko, Lev/D-7127-2012;
Gutierrez, Phillip/C-1161-2011; Mercadante, Pedro/K-1918-2012; Alves,
Gilvan/C-4007-2013; Yip, Kin/D-6860-2013; Bolton, Tim/A-7951-2012;
Fisher, Wade/N-4491-2013; Deliot, Frederic/F-3321-2014
OI Sharyy, Viatcheslav/0000-0002-7161-2616; Christoudias,
Theodoros/0000-0001-9050-3880; Gerbaudo, Davide/0000-0002-4463-0878; Li,
Liang/0000-0001-6411-6107; De, Kaushik/0000-0002-5647-4489; Ancu, Lucian
Stefan/0000-0001-5068-6723; Novaes, Sergio/0000-0003-0471-8549; Dudko,
Lev/0000-0002-4462-3192; Yip, Kin/0000-0002-8576-4311;
FU DOE (USA); NSF (USA); CEA (France); CNRS (France) [IN2P3]; 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 (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).
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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 JUN 29
PY 2011
VL 107
IS 1
AR 011801
DI 10.1103/PhysRevLett.107.011801
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 785PM
UT WOS:000292241000003
ER
PT J
AU Spilde, M
Lanzirotti, A
Qualls, C
Phillips, G
Ali, AM
Agenbroad, L
Appenzeller, O
AF Spilde, Mike
Lanzirotti, Antonio
Qualls, Clifford
Phillips, Genevieve
Ali, Abdul-Mehdi
Agenbroad, Larry
Appenzeller, Otto
TI Biologic Rhythms Derived from Siberian Mammoths' Hairs
SO PLOS ONE
LA English
DT Article
ID LIFE
AB Hair is preserved for millennia in permafrost; it enshrines a record of biologic rhythms and offers a glimpse at chronobiology as it was in extinct animals. Here we compare biologic rhythms gleaned from mammoth's hairs with those of modern human hair. Four mammoths' hairs came from varying locations in Siberia 4600 km, four time zones, apart ranging in age between 18,000 and 20,000 years before present. We used two contemporaneous human hairs for comparison. Power spectra derived from hydrogen isotope ratios along the length of the hairs gave insight into biologic rhythms, which were different in the mammoths depending on location and differed from humans. Hair growth for mammoths was,31 cms/year and,16 cms/year for humans. Recurrent annual rhythms of slow and fast growth varying from 3.4 weeks/cycles to 8.7 weeks/cycles for slow periods and 1.2 weeks/cycles to 2.2 weeks/cycles for fast periods were identified in mammoth's hairs. The mineral content of mammoth's hairs was measured by electron microprobe analysis (k-ratios), which showed no differences in sulfur amongst the mammoth hairs but significantly more iron then in human hair. The fractal nature of the data derived from the hairs became evident in Mandelbrot sets derived from hydrogen isotope ratios, mineral content and geographic location. Confocal microscopy and scanning electron microscopy showed varied degrees of preservation of the cuticle largely independent of age but not location of the specimens. X-ray fluorescence microprobe and fluorescence computed micro-tomography analyses allowed evaluation of metal distribution and visualization of hollow tubes in the mammoth's hairs. Seasonal variations in iron and copper content combined with spectral analyses gave insights into variation in food intake of the animals. Biologic rhythms gleaned from power spectral plots obtained by modern methods revealed life style and behavior of extinct mega-fauna.
C1 [Spilde, Mike] Univ New Mexico, Inst Meteorit, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA.
[Lanzirotti, Antonio] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA.
[Qualls, Clifford] Univ New Mexico, Dept Math, Albuquerque, NM 87131 USA.
[Qualls, Clifford] Univ New Mexico, Dept Stat, Albuquerque, NM 87131 USA.
[Phillips, Genevieve] Univ New Mexico, Canc Res & Treatment Ctr, Fluorescence Microscopy Facil, Albuquerque, NM 87131 USA.
[Ali, Abdul-Mehdi] Univ New Mexico, Analyt Chem Lab, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA.
[Agenbroad, Larry] Mammoth Site, Hot Springs, SD USA.
[Appenzeller, Otto] New Mexico Hlth Enhancement & Marathon Clin Res F, Albuquerque, NM USA.
RP Spilde, M (reprint author), Univ New Mexico, Inst Meteorit, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA.
EM oarun@unm.edu
FU New Mexico Health Enhancement and Marathon Clinics (NMHEMC) Research
Foundation
FX This work was supported by the New Mexico Health Enhancement and
Marathon Clinics (NMHEMC) Research Foundation. The funders had no role
in study design, data collection and analysis, decision to publish, or
preparation of the manuscript.
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U1 0
U2 8
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD JUN 29
PY 2011
VL 6
IS 6
AR e21705
DI 10.1371/journal.pone.0021705
PG 14
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 786FZ
UT WOS:000292290100057
PM 21747920
ER
PT J
AU Bednarcik, J
Michalik, S
Sikorski, M
Curfs, C
Wang, XD
Jiang, JZ
Franz, H
AF Bednarcik, J.
Michalik, S.
Sikorski, M.
Curfs, C.
Wang, X. D.
Jiang, J. Z.
Franz, H.
TI Thermal expansion of a La-based bulk metallic glass: insight from in
situ high-energy x-ray diffraction
SO JOURNAL OF PHYSICS-CONDENSED MATTER
LA English
DT Article
ID ALLOYS; LIQUID; SPACE; DIAMETER
AB Constant-rate heating experiments using a fast x-ray camera (time resolution of 2.7 s) reveal detailed information about the thermal stability of La62Al14(Cu5/6Ag1/6)(14)Ni5Co5 (at.%) bulk metallic glass. Analyzing diffraction patterns in reciprocal space yields the thermal expansion of the amorphous alloy providing insight into the thermally activated relaxation effects and kinetics of the glass transition. The glass transition appears as a break in the value of the coefficient of volume thermal expansion. Furthermore, real space analysis based on the reduced pair distribution function G(r) allows one to follow in situ the changes in the local atomic structure of the amorphous material during constant-rate heating.
C1 [Bednarcik, J.; Michalik, S.; Sikorski, M.; Franz, H.] DESY, D-22603 Hamburg, Germany.
[Michalik, S.] Safarik Univ, Fac Sci, Inst Phys, Kosice 04154, Slovakia.
[Sikorski, M.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Curfs, C.] European Synchrotron Radiat Facil, F-38043 Grenoble, France.
[Wang, X. D.; Jiang, J. Z.] Zhejiang Univ, ICNSM, Hangzhou 310027, Peoples R China.
[Wang, X. D.; Jiang, J. Z.] Zhejiang Univ, Dept Mat Sci & Engn, Lab New Struct Mat, Hangzhou 310027, Peoples R China.
RP Bednarcik, J (reprint author), DESY, Notkestr 85, D-22603 Hamburg, Germany.
EM jozef.bednarcik@desy.de
RI Curfs, Caroline/K-5898-2013; Michalik, Stefan/G-8039-2014
FU DAAD fellowship; Zhejiang University-Helmholtz cooperation fund; Slovak
Ministry of Education [VEGA 10167/10]; National Natural Science
Foundation of China [51071141, 50701038, 60776014, 60876002, 10804096];
Ministry of Education of China; Department of Science and Technology of
Zhejiang province; Zhejiang University
FX We acknowledge the European Synchrotron Radiation Facility for provision
of synchrotron radiation facilities in using beamline ID11. SM thanks
Deutscher Akademischer Austausch Dienst for providing the DAAD
fellowship. Financial supports from Zhejiang University-Helmholtz
cooperation fund, the Slovak Ministry of Education (project VEGA
10167/10), the National Natural Science Foundation of China (Grant Nos
51071141, 50701038, 60776014, 60876002 and 10804096), the Ministry of
Education of China (Program for Changjiang Scholars), the Department of
Science and Technology of Zhejiang province and Zhejiang University are
gratefully acknowledged.
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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 JUN 29
PY 2011
VL 23
IS 25
AR 254204
DI 10.1088/0953-8984/23/25/254204
PG 8
WC Physics, Condensed Matter
SC Physics
GA 775BX
UT WOS:000291433000007
ER
PT J
AU Lauter, V
Muller-Buschbaum, P
Lauter, H
Petry, W
AF Lauter, Valeria
Mueller-Buschbaum, Peter
Lauter, Hans
Petry, Winfried
TI Morphology of thin nanocomposite films of asymmetric diblock copolymer
and magnetite nanoparticles
SO JOURNAL OF PHYSICS-CONDENSED MATTER
LA English
DT Article
ID SPECULAR NEUTRON-SCATTERING; BLOCK-COPOLYMER; REFLECTIVITY; COMPOSITES;
SEPARATION; MIXTURES; POLYMERS; SURFACES; SOLVENT; DIAGRAM
AB Thin self-assembled nanocomposite films of an asymmetric diblock copolymer and nanoparticles are fabricated. The morphologies of the films of the diblock copolymer poly(styrene-block-n-butyl methacrylate), P(Sd-b-BMA), with different volume fractions of large magnetite Fe(3)O(4) nanoparticles are studied before and after annealing. Neutron reflectometry reveals remarkable evidence that confining asymmetric copolymer to a limit of two layers forces the film, after the annealing, to form a mixed cylindrical-lamellar two-layer structure. This complex morphology is very stable and is preserved after the incorporation of nanoparticles up to 10% volume fraction. The other striking result is that the monodispersed nanoparticles with affinity to the polystyrene (PS) domain and with a size of 10 nm, which is close to the size of the PS chains, are assembled by the diblock copolymer matrix, so the distribution of the nanoparticles is reduced solely to the PS domain of the film. Our studies demonstrate that for asymmetric block copolymers in thin film geometry the self-assembly is strongly influenced by the interfacial and surface energies of the blocks and substrate.
C1 [Lauter, Valeria; Lauter, Hans] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Spallat Neutron Source, Oak Ridge, TN 37831 USA.
[Mueller-Buschbaum, Peter; Petry, Winfried] Tech Univ Munich, Phys Dept E13, Lehrstuhl Funkti Mat, D-85747 Garching, Germany.
RP Lauter, V (reprint author), Oak Ridge Natl Lab, Neutron Scattering Sci Div, Spallat Neutron Source, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM lauterv@ornl.gov
RI Petry, Winfried/K-4998-2016; Muller-Buschbaum, Peter/C-3397-2017
OI Petry, Winfried/0000-0001-5208-7070; Muller-Buschbaum,
Peter/0000-0002-9566-6088
FU BMBF (German Ministry of Research and Education) [03DU03MU]; Scientific
User Facilities Division, Office of Basic Energy Sciences, US Department
of Energy
FX We thank Dr Orlova and G P Gordeev for the preparation of the
nanoparticles, and M Jernenkov for his participation in the early stage
of this study and his help with the AFM measurements. This work was
supported by the BMBF (German Ministry of Research and Education) grant
No 03DU03MU; Research at Oak Ridge National Laboratory's Spallation
Neutron Source was sponsored by the Scientific User Facilities Division,
Office of Basic Energy Sciences, US Department of Energy.
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U2 14
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-8984
J9 J PHYS-CONDENS MAT
JI J. Phys.-Condes. Matter
PD JUN 29
PY 2011
VL 23
IS 25
AR 254215
DI 10.1088/0953-8984/23/25/254215
PG 6
WC Physics, Condensed Matter
SC Physics
GA 775BX
UT WOS:000291433000018
PM 21654048
ER
PT J
AU Yoon, H
Ansong, C
McDermott, JE
Gritsenko, M
Smith, RD
Heffron, F
Adkins, JN
AF Yoon, Hyunjin
Ansong, Charles
McDermott, Jason E.
Gritsenko, Marina
Smith, Richard D.
Heffron, Fred
Adkins, Joshua N.
TI Systems analysis of multiple regulator perturbations allows discovery of
virulence factors in Salmonella
SO BMC SYSTEMS BIOLOGY
LA English
DT Article
ID ENTERICA SEROVAR TYPHIMURIUM; PATHOGENICITY ISLAND 2; III SECRETION;
MEMBRANE-VESICLES; PROTEOMIC ANALYSIS; MASS-SPECTROMETRY;
GENE-EXPRESSION; TYPHOID-FEVER; ACCURATE MASS; IDENTIFICATION
AB Background: Systemic bacterial infections are highly regulated and complex processes that are orchestrated by numerous virulence factors. Genes that are coordinately controlled by the set of regulators required for systemic infection are potentially required for pathogenicity.
Results: In this study we present a systems biology approach in which sample-matched multi-omic measurements of fourteen virulence-essential regulator mutants were coupled with computational network analysis to efficiently identify Salmonella virulence factors. Immunoblot experiments verified network-predicted virulence factors and a subset was determined to be secreted into the host cytoplasm, suggesting that they are virulence factors directly interacting with host cellular components. Two of these, SrfN and PagK2, were required for full mouse virulence and were shown to be translocated independent of either of the type III secretion systems in Salmonella or the type III injectisome-related flagellar mechanism.
Conclusions: Integrating multi-omic datasets from Salmonella mutants lacking virulence regulators not only identified novel virulence factors but also defined a new class of translocated effectors involved in pathogenesis. The success of this strategy at discovery of known and novel virulence factors suggests that the approach may have applicability for other bacterial pathogens.
C1 [Ansong, Charles; McDermott, Jason E.; Gritsenko, Marina; Smith, Richard D.; Adkins, Joshua N.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Yoon, Hyunjin; Heffron, Fred] Oregon Hlth & Sci Univ, Dept Mol Microbiol & Immunol, Portland, OR 97239 USA.
RP Adkins, JN (reprint author), Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
EM Joshua.adkins@pnl.gov
RI Smith, Richard/J-3664-2012; Adkins, Joshua/B-9881-2013;
OI Smith, Richard/0000-0002-2381-2349; Adkins, Joshua/0000-0003-0399-0700;
McDermott, Jason/0000-0003-2961-2572
FU National Institute of Allergy and Infectious Diseases NIH/DHHS
[Y1-AI-4894-01, Y1-AI-840101]; NIH National Center for Research
Resources [RR 018522]; U.S. Department of Energy Office of Biological
and Environmental Research (DOE/BER); DOE [DE-AC05- 76RLO1830]
FX We would like to thank George Niemann, Roslyn Brown, Liang Shi, and
Penny Colton for helpful discussions. For additional technical
assistance we would like to thank Ron Moore and Matt Monroe for
proteomic analysis and Aurelie Snyder for immunofluorescence microscopy.
This work was supported in part by the National Institute of Allergy and
Infectious Diseases NIH/DHHS through interagency agreements
Y1-AI-4894-01 and Y1-AI-840101 (project website http://www.SysBEP.org
with links to raw proteomics and transcriptomics data). This work used
instrumentation and capabilities developed under support from the NIH
National Center for Research Resources (Grant RR 018522) and the U.S.
Department of Energy Office of Biological and Environmental Research
(DOE/BER). Significant portions of this work were performed using EMSL,
a DOE/BER national scientific user facility located at Pacific Northwest
National Laboratory. The Pacific Northwest National Laboratory is
operated for the DOE by Battelle under Contract DE-AC05- 76RLO1830.
NR 73
TC 18
Z9 18
U1 0
U2 5
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1752-0509
J9 BMC SYST BIOL
JI BMC Syst. Biol.
PD JUN 28
PY 2011
VL 5
AR 100
DI 10.1186/1752-0509-5-100
PG 16
WC Mathematical & Computational Biology
SC Mathematical & Computational Biology
GA 803PK
UT WOS:000293593000001
PM 21711513
ER
PT J
AU Worsley, MA
Kucheyev, SO
Kuntz, JD
Olson, TY
Han, TYJ
Hamza, AV
Satcher, JH
Baumann, TF
AF Worsley, Marcus A.
Kucheyev, Sergei O.
Kuntz, Joshua D.
Olson, Tammy Y.
Han, T. Yong-Jin
Hamza, Alex V.
Satcher, Joe H., Jr.
Baumann, Theodore F.
TI Carbon Scaffolds for Stiff and Highly Conductive Monolithic Oxide-Carbon
Nanotube Composites
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID MECHANICAL-PROPERTIES; TITANIUM-DIOXIDE; ANATASE TIO2; NANOCOMPOSITES;
NANOPARTICLES; FABRICATION; CAPABILITY; CATALYSTS; AEROGELS; SUPPORT
AB The ultra low density, high electrical conductivity, and mechanical robustness of carbon nanotube aerogels (SWNT-CA) make them ideal scaffolds around which to create novel composites. Here we report on the synthesis and characterization of oxide/carbon nanotube composites fabricated through the sol-gel deposition of oxide coatings (SiO(2), SnO(2) or TiO(2)) on SWNT-CA. The porous network of the SWNT-CA scaffold is retained after the deposition and drying process. In each case, the deposited oxide appears to form a uniform coating on the surfaces of aerogel ligaments. The composite materials exhibit high electrical conductivity (similar to 100 S/m) and enhanced mechanical properties relative to the uncoated SWNT-CA support. In addition, the oxide/SWNT-CA composites possess high surface areas (as high as 742 m(2)/g) and large mesopore volumes (as high as 2.2 cm(3)/g). This approach offers viability in engineering new oxide/CNT composites for applications such as energy storage, sensing, and catalysis.
C1 [Worsley, Marcus A.; Kucheyev, Sergei O.; Kuntz, Joshua D.; Olson, Tammy Y.; Han, T. Yong-Jin; Hamza, Alex V.; Satcher, Joe H., Jr.; Baumann, Theodore F.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
RP Worsley, MA (reprint author), Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, 7000 E Ave, Livermore, CA 94550 USA.
EM worsley1@llnl.gov
RI Worsley, Marcus/G-2382-2014
OI Worsley, Marcus/0000-0002-8012-7727
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; DOE Office of Energy Efficiency and Renewable
Energy
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344 and funded by the DOE Office of Energy Efficiency and
Renewable Energy.
NR 57
TC 25
Z9 25
U1 2
U2 53
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD JUN 28
PY 2011
VL 23
IS 12
BP 3054
EP 3061
DI 10.1021/cm200426k
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 780YL
UT WOS:000291897300007
ER
PT J
AU Maskey, S
Pierce, F
Perahia, D
Grest, GS
AF Maskey, Sabina
Pierce, Flint
Perahia, Dvora
Grest, Gary S.
TI Conformational study of a single molecule of poly para phenylene
ethynylenes in dilute solutions
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE conducting polymers; electro-optical effects; macromolecules; molecular
dynamics method; solutions
ID CONJUGATED POLYMER; DYNAMICS
AB The conformation of single molecules of dialkyl poly para phenylene ethynylenes (PPEs), electro-active polymers, is studied in solutions using molecular dynamics simulations. The conformation of conjugated polymers affects their electro-optical properties and therefore is critical to their current and potential uses, though only limited theoretical knowledge is available regarding the factors that control their configuration. The present study investigates the affects of molecular parameters including molecular weight of the polymer and chemical structure of the side chains of PPEs in different solvents on the conformation of the polymers. The PPEs are modeled atomistically where the solvents are modeled both implicitly and explicitly. The study finds that PPEs assume extended configuration which is affected by the length of the polymer backbone and the nature and length of substituting side chains. While the polymer remains extended, local dynamics is retained and no long range correlations are observed within the backbone. The results are compared with scattering experiments. (C) 2011 American Institute of Physics. [doi:10.1063/1.3604820]
C1 [Maskey, Sabina; Pierce, Flint; Perahia, Dvora] Clemson Univ, Dept Chem, Clemson, SC 29634 USA.
[Pierce, Flint; Grest, Gary S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Maskey, S (reprint author), Clemson Univ, Dept Chem, Clemson, SC 29634 USA.
EM gsgrest@sandia.gov
NR 17
TC 8
Z9 8
U1 0
U2 16
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 JUN 28
PY 2011
VL 134
IS 24
AR 244906
DI 10.1063/1.3604820
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 786TX
UT WOS:000292331900061
PM 21721663
ER
PT J
AU Merer, AJ
Steeves, AH
Baraban, JH
Bechtel, HA
Field, RW
AF Merer, Anthony J.
Steeves, Adam H.
Baraban, Joshua H.
Bechtel, Hans A.
Field, Robert W.
TI Cis-trans isomerization in the S-1 state of acetylene: Identification of
cis-well vibrational levels
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE ab initio calculations; fluorescence; infrared spectra; isomerisation;
isotope shifts; organic compounds; radiative lifetimes; resonant states;
rotational states; ultraviolet spectra; vibrational states; Zeeman
effect
ID X BAND SYSTEM; LASER-INDUCED FLUORESCENCE; AB-INITIO MO; EXCITED-STATES;
(A)OVER-TILDE(1)A(U) STATE; PARTIAL DEPERTURBATION; TRIPLET
PERTURBATIONS; ROTATION CONSTANTS; STATIONARY-POINTS; WAVELENGTH BANDS
AB A systematic analysis of the S-1-trans ((A) over tilde (1)A(u)) state of acetylene, using IR-UV double resonance along with one-photon fluorescence excitation spectra, has allowed assignment of at least part of every single vibrational state or polyad up to a vibrational energy of 4200 cm(-1). Four observed vibrational levels remain unassigned, for which no place can be found in the level structure of the trans-well. The most prominent of these lies at 46 175 cm(-1). Its C-13 isotope shift, exceptionally long radiative lifetime, unexpected rotational selection rules, and lack of significant Zeeman effect, combined with the fact that no other singlet electronic states are expected at this energy, indicate that it is a vibrational level of the S-1-cis isomer ((A) over tilde (1)A(2)). Guided by ab initio calculations [J. H. Baraban, A. R. Beck, A. H. Steeves, J. F. Stanton, and R. W. Field, J. Chem. Phys. 134, 244311 (2011)] of the cis-well vibrational frequencies, the vibrational assignments of these four levels can be established from their vibrational symmetries together with the C-13 isotope shift of the 46 175 cm(-1) level (assigned here as cis-3(1)6(1)). The S-1-cis zero-point level is deduced to lie near 44 900 cm(-1), and the nu(6) vibrational frequency of the S-1-cis well is found to be roughly 565 cm(-1); these values are in remarkably good agreement with the results of recent ab initio calculations. The 46 175 cm(-1) vibrational level is found to have a 3.9 cm(-1) staggering of its K-rotational structure as a result of quantum mechanical tunneling through the isomerization barrier. Such tunneling does not give rise to ammonia-type inversion doubling, because the cis and trans isomers are not equivalent; instead the odd-K rotational levels of a given vibrational level are systematically shifted relative to the even-K rotational levels, leading to a staggering of the K-structure. These various observations represent the first definite assignment of an isomer of acetylene that was previously thought to be unobservable, as well as the first high resolution spectroscopic results describing cis-trans isomerization. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3599091]
C1 [Steeves, Adam H.; Baraban, Joshua H.; Bechtel, Hans A.; Field, Robert W.] MIT, Dept Chem, Cambridge, MA 02139 USA.
[Merer, Anthony J.] Acad Sinica, Inst Atom & Mol Sci, Taipei 10617, Taiwan.
[Merer, Anthony J.] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada.
[Steeves, Adam H.] Univ Calif San Francisco, Dept Pharmaceut Chem, San Francisco, CA 94143 USA.
[Bechtel, Hans A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source Div, Berkeley, CA 94720 USA.
RP Field, RW (reprint author), MIT, Dept Chem, Cambridge, MA 02139 USA.
EM rwfield@mit.edu
FU U.S. Department of Energy (DOE) [DE-FG0287ER13671]; Academia Sinica,
Taiwan; Natural Sciences and Engineering Research Council of Canada; NSF
FX We thank Dr. Jon Hougen (NIST, Gaithersburg) for valuable discussions on
the group theory aspects, and Dr. Michelle (Silva) Clark for recording
the 13C2H2 data. At MIT, this work was
supported by the U.S. Department of Energy (DOE) Grant No.
DE-FG0287ER13671. A.J.M. thanks the Academia Sinica, Taiwan, for the
award of a Distinguished Visiting Professorship, and the Natural
Sciences and Engineering Research Council of Canada for partial support
of this work. J. H. Baraban acknowledges the support of a NSF Graduate
Research Fellowship.
NR 47
TC 16
Z9 16
U1 1
U2 8
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 JUN 28
PY 2011
VL 134
IS 24
AR 244310
DI 10.1063/1.3599091
PG 13
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 786TX
UT WOS:000292331900031
PM 21721633
ER
PT J
AU Prinz, JH
Chodera, JD
Pande, VS
Swope, WC
Smith, JC
Noe, F
AF Prinz, Jan-Hendrik
Chodera, John D.
Pande, Vijay S.
Swope, William C.
Smith, Jeremy C.
Noe, Frank
TI Optimal use of data in parallel tempering simulations for the
construction of discrete-state Markov models of biomolecular dynamics
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE biochemistry; macromolecules; Markov processes; molecular biophysics;
molecular dynamics method; organic compounds; probability; solvation
ID HISTOGRAM ANALYSIS METHOD; PROTEIN-FOLDING KINETICS; MOLECULAR-DYNAMICS;
MONTE-CARLO; COMPUTER EXPERIMENTS; CLASSICAL FLUIDS; REPLICA-EXCHANGE;
PEPTIDE; TEMPERATURE; EQUATIONS
AB Parallel tempering (PT) molecular dynamics simulations have been extensively investigated as a means of efficient sampling of the configurations of biomolecular systems. Recent work has demonstrated how the short physical trajectories generated in PT simulations of biomolecules can be used to construct the Markov models describing biomolecular dynamics at each simulated temperature. While this approach describes the temperature-dependent kinetics, it does not make optimal use of all available PT data, instead estimating the rates at a given temperature using only data from that temperature. This can be problematic, as some relevant transitions or states may not be sufficiently sampled at the temperature of interest, but might be readily sampled at nearby temperatures. Further, the comparison of temperature-dependent properties can suffer from the false assumption that data collected from different temperatures are uncorrelated. We propose here a strategy in which, by a simple modification of the PT protocol, the harvested trajectories can be reweighted, permitting data from all temperatures to contribute to the estimated kinetic model. The method reduces the statistical uncertainty in the kinetic model relative to the single temperature approach and provides estimates of transition probabilities even for transitions not observed at the temperature of interest. Further, the method allows the kinetics to be estimated at temperatures other than those at which simulations were run. We illustrate this method by applying it to the generation of a Markov model of the conformational dynamics of the solvated terminally blocked alanine peptide. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3592153]
C1 [Prinz, Jan-Hendrik] Heidelberg Univ, Inst Comp Sci IWR, D-69126 Heidelberg, Germany.
[Prinz, Jan-Hendrik] FU Berlin, DFG Res Ctr Matheon, D-14195 Berlin, Germany.
[Chodera, John D.] Univ Calif Berkeley, Calif Inst Quantitat Biosci QB3, Berkeley, CA 94720 USA.
[Pande, Vijay S.] Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
[Swope, William C.] IBM Almaden Res Ctr, San Jose, CA 95120 USA.
[Smith, Jeremy C.] Oak Ridge Natl Lab, UT ORNL Ctr Mol Biophys, Oak Ridge, TN 37831 USA.
[Noe, Frank] FU Berlin, DFG Res Ctr Matheon, D-14195 Berlin, Germany.
RP Prinz, JH (reprint author), Heidelberg Univ, Inst Comp Sci IWR, Neuenheimer Feld 368, D-69126 Heidelberg, Germany.
EM jan-hendrik.prinz@fu-berlin.de; jchodera@berkeley.edu;
pande@stanford.edu; swope@almaden.ibm.com; smithjc@ornl.gov;
noe@math.fu-berlin.de
RI smith, jeremy/B-7287-2012;
OI smith, jeremy/0000-0002-2978-3227; Chodera, John/0000-0003-0542-119X
FU German Research Foundation (DFG) [IGK 710, 725/2]; HHMI; IBM; National
Institutes of Health (NIH) [GM34993]; NSF [NSF CHE-0535616]; California
Institute for Quantitative Biosciences (QB3); NIH [RO1 GM062868]; DFG
Research Center Matheon; U.S. Department of Energy [ERKJE84/ERKPE84]
FX The authors would like to thank Jed W. Pitera (IBM Almaden),
Nicolae-Viorel Buchete (UCD Dublin), and Gerhard Hummer (NIH) for
stimulating conversations during the execution of this work. J.-H.P.
gratefully acknowledges funding from the German Research Foundation
(DFG) through the award of a doctoral scholarship in the International
Graduiertenkolleg IGK 710: "Complex processes: Modeling, Simulation and
Optimization." J.D.C. gratefully acknowledges support from HHMI and IBM
predoctoral fellowship programs, National Institutes of Health (NIH)
Grant No. GM34993 through Ken A. Dill (UCSF), and NSF grant for
Cyberinfrastructure (Grant No. NSF CHE-0535616), and a California
Institute for Quantitative Biosciences (QB3) Distinguished Postdoctoral
Fellowship at various points throughout this work. V. S. P. acknowledges
support from NIH RO1 GM062868. J.H.P. and F.N. acknowledge support from
DFG Research Center Matheon and DFG Grant No. 725/2. J.C.S. acknowledges
funding from the U.S. Department of Energy "Multiscale Mathematics"
SciDAC and Genomes-to life program (Grant No. ERKJE84/ERKPE84.
NR 44
TC 23
Z9 23
U1 1
U2 16
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 JUN 28
PY 2011
VL 134
IS 24
AR 244108
DI 10.1063/1.3592153
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 786TX
UT WOS:000292331900011
PM 21721613
ER
PT J
AU Tao, H
Allison, TK
Wright, TW
Stooke, AM
Khurmi, C
van Tilborg, J
Liu, Y
Falcone, RW
Belkacem, A
Martinez, TJ
AF Tao, H.
Allison, T. K.
Wright, T. W.
Stooke, A. M.
Khurmi, C.
van Tilborg, J.
Liu, Y.
Falcone, R. W.
Belkacem, A.
Martinez, T. J.
TI Ultrafast internal conversion in ethylene. I. The excited state lifetime
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE ab initio calculations; excited states; molecular dynamics method;
nonradiative transitions; organic compounds; perturbation theory;
photoelectron spectra; time resolved spectra
ID RESOLVED PHOTOELECTRON-SPECTROSCOPY; CIS-TRANS PHOTOISOMERIZATION;
QUANTUM MOLECULAR-DYNAMICS; HIGH-ORDER HARMONICS; AB-INITIO;
POLYATOMIC-MOLECULES; NONADIABATIC DYNAMICS; REGION; ENERGY;
ISOMERIZATION
AB Using a combined theoretical and experimental approach, we investigate the non-adiabatic dynamics of the prototypical ethylene (C2H4) molecule upon pi -> pi* excitation. In this first part of a two part series, we focus on the lifetime of the excited electronic state. The femtosecond time-resolved photoelectron spectrum (TRPES) of ethylene is simulated based on our recent molecular dynamics simulation using the ab initio multiple spawning method with multi-state second order perturbation theory [H. Tao, B. G. Levine, and T. J. Martinez, J. Phys. Chem. A 113, 13656 (2009)]. We find excellent agreement between the TRPES calculation and the photoion signal observed in a pumpprobe experiment using femtosecond vacuum ultraviolet (h nu = 7.7 eV) pulses for both pump and probe. These results explain the apparent discrepancy over the excited state lifetime between theory and experiment that has existed for ten years, with experiments [e. g., P. Farmanara, V. Stert, and W. Radloff, Chem. Phys. Lett. 288, 518 (1998) and K. Kosma, S. A. Trushin, W. Fuss, and W. E. Schmid, J. Phys. Chem. A 112, 7514 (2008)] reporting much shorter lifetimes than predicted by theory. Investigation of the TRPES indicates that the fast decay of the photoion yield originates from both energetic and electronic factors, with the energetic factor playing a larger role in shaping the signal. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3604007]
C1 [Allison, T. K.; Wright, T. W.; Stooke, A. M.; Khurmi, C.; van Tilborg, J.; Liu, Y.; Falcone, R. W.; Belkacem, A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Ultrafast Xray Sci Lab, Berkeley, CA 94720 USA.
[Tao, H.; Martinez, T. J.] Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
[Tao, H.; Martinez, T. J.] Stanford Univ, PULSE Inst, Stanford, CA 94305 USA.
[Tao, H.; Martinez, T. J.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94309 USA.
[Allison, T. K.; Stooke, A. M.; Liu, Y.; Falcone, R. W.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Wright, T. W.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA.
RP Belkacem, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Ultrafast Xray Sci Lab, Berkeley, CA 94720 USA.
EM abelkacem@lbl.gov; Todd.Martinez@stanford.edu
RI Martinez, Todd/F-4306-2010
OI Martinez, Todd/0000-0002-4798-8947
FU U.S. Department of Energy (DOE) [DE-AC02-7600515]; U.S. Department of
Energy Office of Basic Energy Sciences [DE-AC02-05CH1123,
DE-FG-52-06NA26212]; Fannie and John Hertz Foundation
FX The theory work was performed under U.S. Department of Energy (DOE)
Contract No. DE-AC02-7600515. The experiment was supported by the U.S.
Department of Energy Office of Basic Energy Sciences, under Contracts
Nos. DE-AC02-05CH1123, and DE-FG-52-06NA26212. We acknowledge W. G.
Glover, C. R. Evenhuis and T. Mori for helpful discussion. A. M. Stooke
gratefully acknowledges the full support of the Fannie and John Hertz
Foundation. We thank A. Stolow for helpful discussions. We acknowledge
C. Caleman, M. Bergh, H. Merdji, and M. P. Hertlein for help with the
apparatus in its early stages.
NR 46
TC 53
Z9 53
U1 7
U2 55
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 JUN 28
PY 2011
VL 134
IS 24
AR 244306
DI 10.1063/1.3604007
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 786TX
UT WOS:000292331900027
PM 21721629
ER
PT J
AU Ward, DK
Zhou, XW
Wong, BM
Doty, FP
Zimmerman, JA
AF Ward, D. K.
Zhou, X. W.
Wong, B. M.
Doty, F. P.
Zimmerman, J. A.
TI Accuracy of existing atomic potentials for the CdTe semiconductor
compound
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE ab initio calculations; atomic forces; cadmium compounds; crystal growth
from vapour; elastic constants; II-VI semiconductors; melting; molecular
dynamics method; semiconductor growth; vacancies (crystal); zinc
compounds
ID FILM SOLAR-CELLS; BOND-ORDER POTENTIALS; CDZNTE RADIATION DETECTORS;
MOLECULAR-DYNAMICS; MULTICOMPONENT SYSTEMS; CADMIUM TELLURIDE;
LATTICE-DYNAMICS; SINGLE-CRYSTALS; MONTE-CARLO; X-RAY
AB CdTe and CdTe-based Cd1-xZnxTe (CZT) alloys are important semiconductor compounds that are used in a variety of technologies including solar cells, radiation detectors, and medical imaging devices. Performance of such systems, however, is limited due to the propensity of nano- and micro-scale defects that form during crystal growth and manufacturing processes. Molecular dynamics simulations offer an effective approach to study the formation and interaction of atomic scale defects in these crystals, and provide insight on how to minimize their concentrations. The success of such a modeling effort relies on the accuracy and transferability of the underlying interatomic potential used in simulations. Such a potential must not only predict a correct trend of structures and energies of a variety of elemental and compound lattices, defects, and surfaces but also capture correct melting behavior and should be capable of simulating crystalline growth during vapor deposition as these processes sample a variety of local configurations. In this paper, we perform a detailed evaluation of the performance of two literature potentials for CdTe, one having the Stillinger-Weber form and the other possessing the Tersoff form. We examine simulations of structures and the corresponding energies of a variety of elemental and compound lattices, defects, and surfaces compared to those obtained from ab initio calculations and experiments. We also perform melting temperature calculations and vapor deposition simulations. Our calculations show that the Stillinger-Weber parameterization produces the correct lowest energy structure. This potential, however, is not sufficiently transferrable for defect studies. Origins of the problems of these potentials are discussed and insights leading to the development of a more transferrable potential suitable for molecular dynamics simulations of defects in CdTe crystals are provided. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3596746]
C1 [Ward, D. K.; Doty, F. P.] Sandia Natl Labs, Radiat & Nucl Detect Mat & Anal Dept, Livermore, CA 94550 USA.
[Zhou, X. W.; Zimmerman, J. A.] Sandia Natl Labs, Mech Mat Dept, Livermore, CA 94550 USA.
[Wong, B. M.] Sandia Natl Labs, Dept Chem Mat, Livermore, CA 94550 USA.
RP Ward, DK (reprint author), Sandia Natl Labs, Radiat & Nucl Detect Mat & Anal Dept, Livermore, CA 94550 USA.
EM donward@sandia.gov
RI Wong, Bryan/B-1663-2009
OI Wong, Bryan/0000-0002-3477-8043
FU NNSA/DOE Office of Nonproliferation Research and Development
[DE-AC04-94AL85000]
FX This work is supported by the NNSA/DOE Office of Nonproliferation
Research and Development, Proliferation Detection Program, Advanced
Materials Portfolio. Sandia National Laboratories is a multi-program
laboratory managed and operated by Sandia Corporation, for the U. S.
Department of Energy's National Nuclear Security Administration under
Contract No. DE-AC04-94AL85000.
NR 97
TC 24
Z9 24
U1 1
U2 20
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 JUN 28
PY 2011
VL 134
IS 24
AR 244703
DI 10.1063/1.3596746
PG 13
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 786TX
UT WOS:000292331900051
PM 21721653
ER
PT J
AU Borovsky, JE
Cayton, TE
AF Borovsky, Joseph E.
Cayton, Thomas E.
TI Entropy mapping of the outer electron radiation belt between the
magnetotail and geosynchronous orbit
SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
LA English
DT Article
ID CENTRAL PLASMA SHEET; WAVE-PARTICLE INTERACTIONS; CORONAL MASS
EJECTIONS; SELF-CONSISTENT THEORY; SOLAR-WIND; POLYTROPIC INDEX;
RELATIVISTIC ELECTRONS; CHARGED-PARTICLES; MAGNETIC CLOUDS;
MAGNETOSPHERIC PARTICLES
AB The specific entropy (entropy density) S is examined for the outer electron radiation belt at geosynchronous orbit and for the energetic electron population in the Earth's magnetotail. The outer electron radiation belt is measured with the SOPA detectors on board six geosynchronous satellites and the energetic electrons of the magnetotail are measured with instrumentation on board 12 Global Positioning Satellites (GPS) with a magnetic field model used to map the GPS orbit to the magnetotail. Density n and temperature T values are determined from relativistic Maxwellian fits to the electron measurements, enabling the specific entropy S to be calculated. For low temperatures the nonrelativstic specific entropy is S = T/n(2/3); for a relativistic Maxwellian distribution a relativistically correct expression for S = S(T,n) is derived and used. The outer electron radiation belt at geosynchronous orbit local midnight (n similar to 3 x 10(-4) cm(-3) and T similar to 140 keV) and the energetic-electron population in the magnetotail (n similar to 1 x 10(-4) cm(-3) and T similar to 50 keV) statistically have the same specific entropy. Hence the two populations are probably the same. This implies adiabatic transport (1) from the magnetotail to the dipole (where the magnetotail electrons are the source of the outer electron radiation belt) or (2) from the dipole to the magnetotail (where the magnetotail electrons are leakage from the radiation belt).
C1 [Borovsky, Joseph E.; Cayton, Thomas E.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Borovsky, Joseph E.] Univ Michigan, Dept Atmospher Ocean & Space Sci, Ann Arbor, MI 48109 USA.
RP Borovsky, JE (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM jborovsky@lanl.gov
FU NASA Living; U.S. Department of Energy; Star TRT Program
FX The authors wish to thank Evan Noveroske for providing the BDD and CXD
data files, to thank Mick Denton for preparing data sets, and to thank
Joachim Birn and Mick Denton for stimulating conversations. This work
was supported by the NASA Living with a Star TR&T Program and by the
U.S. Department of Energy.
NR 143
TC 19
Z9 19
U1 0
U2 2
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 2169-9380
EI 2169-9402
J9 J GEOPHYS RES-SPACE
JI J. Geophys. Res-Space Phys.
PD JUN 28
PY 2011
VL 116
AR A06216
DI 10.1029/2011JA016470
PG 12
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 787RM
UT WOS:000292394400003
ER
PT J
AU Chopdekar, RV
Nelson-Cheeseman, BB
Liberati, M
Arenholz, E
Suzuki, Y
AF Chopdekar, R. V.
Nelson-Cheeseman, B. B.
Liberati, M.
Arenholz, E.
Suzuki, Y.
TI Role of magnetic anisotropy in spin-filter junctions
SO PHYSICAL REVIEW B
LA English
DT Article
ID LARGE MAGNETORESISTANCE; THIN-FILMS; MAGNETOTRANSPORT; FE3O4
AB We have fabricated oxide-based spin-filter junctions in which we demonstrate that magnetic anisotropy can be used to tune the transport behavior of spin-filter junctions. We have demonstrated spin-filtering behavior in La0.7Sr0.3MnO3/CoCr2O4/Fe3O4 and La0.7Sr0.3MnO3/MnCr2O4/Fe3O4 junctions where the interface anisotropy plays a significant role in determining transport behavior. Detailed studies of chemical and magnetic structure at the interfaces indicate that abrupt changes in magnetic anisotropy across the nonisostructural interface is the cause of the significant suppression of junction magnetoresistance in junctions with MnCr2O4 barrier layers.
C1 [Chopdekar, R. V.; Nelson-Cheeseman, B. B.; Suzuki, Y.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Chopdekar, R. V.] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA.
[Liberati, M.; Arenholz, E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Suzuki, Y.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Chopdekar, RV (reprint author), Paul Scherrer Inst, Lab Micro & Nanotechnol, CH-5232 Villigen, Switzerland.
EM rvc2@cornell.edu
RI Chopdekar, Rajesh/D-2067-2009
OI Chopdekar, Rajesh/0000-0001-6727-6501
FU National Science Foundation [DMR 0604277]; Director, Office of Science,
Office of Basic Energy Sciences, of the US Department of Energy
[DE-AC02-05CH11231]
FX The authors would like to thank Angelica Stacy for the use of her
theta-2 theta diffractometer, Kin Man Yu from the Lawrence Berkeley
National Laboratory Materials Science Division for taking RBS spectra,
and Franklin Wong for transmission electron microscopy on spinel
heterostructures. This research is supported by the National Science
Foundation (Grant No. DMR 0604277). The Advanced Light Source and the
National Center for Electron Microscopy are supported by the Director,
Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy under Contract No. DE-AC02-05CH11231.
NR 24
TC 8
Z9 8
U1 1
U2 13
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 2469-9950
EI 2469-9969
J9 PHYS REV B
JI Phys. Rev. B
PD JUN 28
PY 2011
VL 83
IS 22
AR 224426
DI 10.1103/PhysRevB.83.224426
PG 8
WC Physics, Condensed Matter
SC Physics
GA 784UE
UT WOS:000292182900005
ER
PT J
AU Guyer, RA
Kim, HA
Derome, D
Carmeliet, J
TenCate, J
AF Guyer, R. A.
Kim, H. Alicia
Derome, Dominique
Carmeliet, Jan
TenCate, J.
TI Hysteresis in modeling of poroelastic systems: Quasistatic equilibrium
SO PHYSICAL REVIEW E
LA English
DT Article
ID NUCLEPORE; DYNAMICS; HELIUM; SOUND; WAVE
AB The behavior of hysteretic, coupled elastic and fluid systems is modeled. The emphasis is on quasistatic equilibrium in response to prescribed chemical potential (mu) protocols and prescribed stress (sigma) protocols. Hysteresis arises in these models either from the presence of hysterons or from the presence of self-trapping internal fields. This latter mechanism is modeled in finite element calculations which serve to illustrate the creation of hysteresis in a range of circumstances that go from conventionally hysteretic systems, a sandstone, to systems like a wood fiber. An essential ingredient in the behavior of these systems, the interaction between the mechanical variables and the fluid variables, is accorded special attention. The proper venue for the exploration of these systems is (mu, sigma) space and appropriate mu protocols, sigma protocols, and combined mu-sigma protocols.
C1 [Guyer, R. A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Guyer, R. A.] Univ Nevada, Dept Phys, Reno, NV 89577 USA.
[Kim, H. Alicia] Univ Bath, Dept Mech Engn, Bath BA2 7AY, Avon, England.
[Derome, Dominique] EMPA, Swiss Fed Lab Mat Sci & Technol, Wood Lab, CH-8600 Dubendorf, Switzerland.
[Carmeliet, Jan] ETH, HIL E46 3, CH-8093 Zurich, Switzerland.
[Carmeliet, Jan] EMPA, Swiss Fed Lab Mat Sci & Technol, Lab Bldg Sci & Technol, CH-8600 Dubendorf, Switzerland.
[TenCate, J.] Earth & Environm Sci MS D443 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Guyer, RA (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM guyer@physics.umass.edu; h.a.kim@bath.ac.uk; Dominique.Derome@empa.ch;
Jan.Carmeliet@empa.ch; tencate@lanl.gov
OI Kim, Hyunsun Alicia/0000-0002-5629-2466
NR 19
TC 0
Z9 0
U1 1
U2 4
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1539-3755
J9 PHYS REV E
JI Phys. Rev. E
PD JUN 28
PY 2011
VL 83
IS 6
AR 061408
DI 10.1103/PhysRevE.83.061408
PN 1
PG 13
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA 785WA
UT WOS:000292261900004
PM 21797365
ER
PT J
AU Macridin, A
Spentzouris, P
Amundson, J
Spentzouris, L
McCarron, D
AF Macridin, Alexandru
Spentzouris, Panagiotis
Amundson, James
Spentzouris, Linda
McCarron, Daniel
TI Coupling impedance and wake functions for laminated structures with an
application to the Fermilab Booster
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
AB We calculate the impedance and wake functions for laminated structures with parallel-plane and circular geometries in the ultrarelativistic limit. We critically examine the approximations used in the literature for the coupling impedance in laminated chambers and find that most of them are not justified because the wall surface impedance is large. A comparison between flat and circular geometry impedances is presented. We apply our calculation in a state-of-the-art beam dynamics simulation of the Fermilab Booster which includes nonlinear optics, laminated wakefields, and space charge impedance. The latter can have a significant effect away from the ultrarelativistic limit. Even though the simulations and the comparison with the experiment are done at the Booster injection energy, where the relativistic factor gamma = 1.42, we find good agreement between our calculation of the coherent tune shift and recent experimental measurements.
C1 [Macridin, Alexandru; Spentzouris, Panagiotis; Amundson, James] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Spentzouris, Linda; McCarron, Daniel] IIT, Chicago, IL 60616 USA.
RP Macridin, A (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
FU United States Department of Energy [DE-AC02-07CH11359]; DOE Office of
High Energy Physics; NSF [0237162]; Office of Science of the U. S.
Department of Energy [DE-AC02-05CH11231, DE-AC02-06CH11357]
FX We thank Alexey Burov, Valeri Lebedev, and K. Y. Ng for fruitful
discussions. We also thank Yuri Alexahin, William Pellico, and William
Marsh for help with beam studies. This work was supported by the United
States Department of Energy under Contract No. DE-AC02-07CH11359, the
ComPASS project, funded through the Scientific Discovery through
Advanced Computing program in the DOE Office of High Energy Physics, and
NSF Grant No. 0237162. This research 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, as well as resources of the Argonne Leadership
Computing Facility at Argonne National Laboratory, which is supported by
the Office of Science of the U. S. Department of Energy under Contract
No. DE-AC02-06CH11357.
NR 22
TC 4
Z9 4
U1 0
U2 0
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1098-4402
J9 PHYS REV SPEC TOP-AC
JI Phys. Rev. Spec. Top.-Accel. Beams
PD JUN 28
PY 2011
VL 14
IS 6
AR 061003
DI 10.1103/PhysRevSTAB.14.061003
PG 17
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 784VE
UT WOS:000292185600001
ER
PT J
AU Chhabra, SR
Joachimiak, MP
Petzold, CJ
Zane, GM
Price, MN
Reveco, SA
Fok, V
Johanson, AR
Batth, TS
Singer, M
Chandonia, JM
Joyner, D
Hazen, TC
Arkin, AP
Wall, JD
Singh, AK
Keasling, JD
AF Chhabra, Swapnil R.
Joachimiak, Marcin P.
Petzold, Christopher J.
Zane, Grant M.
Price, Morgan N.
Reveco, Sonia A.
Fok, Veronica
Johanson, Alyssa R.
Batth, Tanveer S.
Singer, Mary
Chandonia, John-Marc
Joyner, Dominique
Hazen, Terry C.
Arkin, Adam P.
Wall, Judy D.
Singh, Anup K.
Keasling, Jay D.
TI Towards a Rigorous Network of Protein-Protein Interactions of the Model
Sulfate Reducer Desulfovibrio vulgaris Hildenborough
SO PLOS ONE
LA English
DT Article
ID ESCHERICHIA-COLI; MASS-SPECTROMETRY; GLOBAL ANALYSIS; VULGATIS
HILDENBOROUGH; PURIFICATION; METHYLATION; COMPLEXES; ACETYLATION;
PEPTIDES; AFFINITY
AB Protein-protein interactions offer an insight into cellular processes beyond what may be obtained by the quantitative functional genomics tools of proteomics and transcriptomics. The aforementioned tools have been extensively applied to study Escherichia coli and other aerobes and more recently to study the stress response behavior of Desulfovibrio vulgaris Hildenborough, a model obligate anaerobe and sulfate reducer and the subject of this study. Here we carried out affinity purification followed by mass spectrometry to reconstruct an interaction network among 12 chromosomally encoded bait and 90 prey proteins based on 134 bait-prey interactions identified to be of high confidence. Protein-protein interaction data are often plagued by the lack of adequate controls and replication analyses necessary to assess confidence in the results, including identification of potential false positives. We addressed these issues through the use of biological replication, exponentially modified protein abundance indices, results from an experimental negative control, and a statistical test to assign confidence to each putative interacting pair applicable to small interaction data studies. We discuss the biological significance of metabolic features of D. vulgaris revealed by these protein-protein interaction data and the observed protein modifications. These include the distinct role of the putative carbon monoxide-induced hydrogenase, unique electron transfer routes associated with different oxidoreductases, and the possible role of methylation in regulating sulfate reduction.
C1 [Chhabra, Swapnil R.; Joachimiak, Marcin P.; Zane, Grant M.; Price, Morgan N.; Singer, Mary; Chandonia, John-Marc; Joyner, Dominique; Hazen, Terry C.; Arkin, Adam P.; Wall, Judy D.; Singh, Anup K.; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Virtual Inst Microbial Stress & Survival, Berkeley, CA 94720 USA.
[Chhabra, Swapnil R.; Joachimiak, Marcin P.; Petzold, Christopher J.; Price, Morgan N.; Reveco, Sonia A.; Fok, Veronica; Johanson, Alyssa R.; Batth, Tanveer S.; Chandonia, John-Marc; Arkin, Adam P.; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Singer, Mary; Joyner, Dominique; Hazen, Terry C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Chandonia, John-Marc] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Zane, Grant M.; Wall, Judy D.] Univ Missouri, Dept Biochem, Columbia, MO USA.
[Zane, Grant M.; Wall, Judy D.] Univ Missouri, Dept Mol Microbiol & Immunol, Columbia, MO USA.
[Singh, Anup K.] Sandia Natl Labs, Biosyst Res Dept, Livermore, CA USA.
[Arkin, Adam P.; Keasling, Jay D.] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
[Arkin, Adam P.; Keasling, Jay D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Chhabra, Swapnil R.; Petzold, Christopher J.; Reveco, Sonia A.; Fok, Veronica; Johanson, Alyssa R.; Batth, Tanveer S.; Hazen, Terry C.; Arkin, Adam P.; Singh, Anup K.; Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA USA.
RP Chhabra, SR (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Virtual Inst Microbial Stress & Survival, Berkeley, CA 94720 USA.
EM srchhabra@lbl.gov; mpjoachimiak@lbl.gov
RI Keasling, Jay/J-9162-2012; Arkin, Adam/A-6751-2008; Hazen,
Terry/C-1076-2012;
OI Keasling, Jay/0000-0003-4170-6088; Arkin, Adam/0000-0002-4999-2931;
Hazen, Terry/0000-0002-2536-9993; Zane, Grant/0000-0002-3357-3097
FU U.S. Department of Energy, Office of Science, Office of Biological and
Environmental Research, Genomics [DE-AC02-05CH11231]; Office of Science,
Office of Biological and Environmental Research, of the U.S. Department
of Energy [DE-AC02-05CH11231]
FX This work was part of the U.S. Department of Energy Genomics Sciences
program: ENIGMA is a Scientific Focus Area Program supported by the U.S.
Department of Energy, Office of Science, Office of Biological and
Environmental Research, Genomics: GTL Foundational Science through
contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory
and the U.S. Department of Energy. This work conducted by the Joint
BioEnergy Institute was supported by the Office of Science, Office of
Biological and Environmental Research, of the U.S. Department of Energy
under Contract No. DE-AC02-05CH11231. The funders had no role in study
design, data collection and analysis, decision to publish, or
preparation of the manuscript.
NR 63
TC 9
Z9 9
U1 1
U2 12
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD JUN 28
PY 2011
VL 6
IS 6
AR e21470
DI 10.1371/journal.pone.0021470
PG 16
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 784FW
UT WOS:000292142800026
PM 21738675
ER
PT J
AU de Vries, LE
Valles, Y
Agerso, Y
Vaishampayan, PA
Garcia-Montaner, A
Kuehl, JV
Christensen, H
Barlow, M
Francino, MP
AF de Vries, Lisbeth E.
Valles, Yvonne
Agerso, Yvonne
Vaishampayan, Parag A.
Garcia-Montaner, Andrea
Kuehl, Jennifer V.
Christensen, Henrik
Barlow, Miriam
Francino, M. Pilar
TI The Gut as Reservoir of Antibiotic Resistance: Microbial Diversity of
Tetracycline Resistance in Mother and Infant
SO PLOS ONE
LA English
DT Article
ID STREPTOCOCCUS-GALLOLYTICUS; FECAL MICROBIOTA; GENES; BACTERIA; SEQUENCE;
TET(W); BACTEROIDES; TRANSPOSON; ELEMENTS; PCR
AB The microbiota in the human gastrointestinal tract (GIT) is highly exposed to antibiotics, and may be an important reservoir of resistant strains and transferable resistance genes. Maternal GIT strains can be transmitted to the offspring, and resistances could be acquired from birth. This is a case study using a metagenomic approach to determine the diversity of microorganisms conferring tetracycline resistance (Tc(r)) in the guts of a healthy mother-infant pair one month after childbirth, and to investigate the potential for horizontal transfer and maternal transmission of Tc(r) genes. Fecal fosmid libraries were functionally screened for Tc(r), and further PCR-screened for specific Tc(r) genes. Tc(r) fosmid inserts were sequenced at both ends to establish bacterial diversity. Mother and infant libraries contained Tc(r), although encoded by different genes and organisms. Tc(r) organisms in the mother consisted mainly of Firmicutes and Bacteroidetes, and the main gene detected was tet(O), although tet(W) and tet(X) were also found. Identical Tc(r) gene sequences were present in different bacterial families and even phyla, which may indicate horizontal transfer within the maternal GIT. In the infant library, Tc(r) was present exclusively in streptococci carrying tet(M), tet(L) and erm(T) within a novel composite transposon, Tn6079. This transposon belongs to a family of broad host range conjugative elements, implying a potential for the joint spread of tetracycline and erythromycin resistance within the infant's gut. In addition, although not found in the infant metagenomic library, tet(O) and tet(W) could be detected in the uncloned DNA purified from the infant fecal sample. This is the first study to reveal the diversity of Tc(r) bacteria in the human gut, to detect a likely transmission of antibiotic resistance from mother to infant GITs and to indicate the possible occurrence of gene transfers among distantly related bacteria coinhabiting the GIT of the same individual.
C1 [de Vries, Lisbeth E.; Christensen, Henrik] Univ Copenhagen, Dept Vet Dis Biol, Frederiksberg, Denmark.
[de Vries, Lisbeth E.; Agerso, Yvonne] Tech Univ Denmark, Natl Food Inst, DK-2800 Lyngby, Denmark.
[Valles, Yvonne; Garcia-Montaner, Andrea; Francino, M. Pilar] Univ Valencia, Inst Cavanilles, Ctr Super Invest Salut Publ, Unitat Mixta Invest Genom & Salut, Valencia, Spain.
[Vaishampayan, Parag A.; Kuehl, Jennifer V.; Francino, M. Pilar] Joint Genome Inst, Dept Energy, Evolutionary Genom Program, Walnut Creek, CA USA.
[Barlow, Miriam; Francino, M. Pilar] Univ Calif Merced, Sch Nat Sci, Merced, CA USA.
RP de Vries, LE (reprint author), Univ Copenhagen, Dept Vet Dis Biol, Frederiksberg, Denmark.
EM francino_pil@gva.es
RI Francino, M. Pilar/H-9090-2015
OI Francino, M. Pilar/0000-0002-4510-5653
FU Danish Research Council for Technology and Production Sciences
[274-05-0117]; NIH (National Institutes of Health, USA) [R01 DK66288];
Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231]
FX This study was partly funded by a grant from The Danish Research Council
for Technology and Production Sciences (274-05-0117) and by a grant R01
DK66288 from NIH (National Institutes of Health, USA) to MPF. Part of
this work was performed at the U.S. Department of Energy Joint Genome
Institute. 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. The funders
had no role in the study design, data collection and analysis, decision
to publish, or preparation of the manuscript.
NR 42
TC 36
Z9 36
U1 6
U2 35
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD JUN 28
PY 2011
VL 6
IS 6
AR e21644
DI 10.1371/journal.pone.0021644
PG 11
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 784FW
UT WOS:000292142800051
PM 21738748
ER
PT J
AU Jiang, YY
Sirinupong, N
Brunzelle, J
Yang, Z
AF Jiang, Yuanyuan
Sirinupong, Nualpun
Brunzelle, Joseph
Yang, Zhe
TI Crystal Structures of Histone and p53 Methyltransferase SmyD2 Reveal a
Conformational Flexibility of the Autoinhibitory C-Terminal Domain
SO PLOS ONE
LA English
DT Article
ID FUNCTIONAL-ANALYSIS; HSP90; CHROMATIN; PROTEIN; PROLIFERATION;
METHYLATION; SPECIFICITY; DROSOPHILA; ENCODES; COMPLEX
AB SmyD2 belongs to a new class of chromatin regulators that control gene expression in heart development and tumorigenesis. Besides methylation of histone H3 K4, SmyD2 can methylate non-histone targets including p53 and the retinoblastoma tumor suppressor. The methyltransferase activity of SmyD proteins has been proposed to be regulated by autoinhibition via the intra-and interdomain bending of the conserved C-terminal domain (CTD). However, there has been no direct evidence of a conformational change in the CTD. Here, we report two crystal structures of SmyD2 bound either to the cofactor product S-adenosylhomocysteine or to the inhibitor sinefungin. SmyD2 has a two-lobed structure with the active site located at the bottom of a deep crevice formed between the CTD and the catalytic domain. By extensive engagement with the methyltransferase domain, the CTD stabilizes the autoinhibited conformation of SmyD2 and restricts access to the catalytic site. Unexpectedly, despite that the two SmyD2 structures are highly superimposable, significant differences are observed in the first two helices of the CTDs: the two helices bend outwards and move away from the catalytic domain to generate a less closed conformation in the sinefungin-bound structure. Although the overall fold of the individual domains is structurally conserved among SmyD proteins, SmyD2 appear to be a conformational "intermediate'' between a close form of SmyD3 and an open form of SmyD1. In addition, the structures reveal that the CTD is structurally similar to tetratricopeptide repeats (TPR), a motif through which many cochaperones bind to the heat shock protein Hsp90. Our results thus provide the first evidence for the intradomain flexibility of the TPR-like CTD, which may be important for the activation of SmyD proteins by Hsp90.
C1 [Jiang, Yuanyuan; Sirinupong, Nualpun; Yang, Zhe] Wayne State Univ, Sch Med, Dept Biochem & Mol Biol, Detroit, MI 48202 USA.
[Brunzelle, Joseph] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Jiang, YY (reprint author), Wayne State Univ, Sch Med, Dept Biochem & Mol Biol, Detroit, MI 48202 USA.
EM zyang@med.wayne.edu
FU American Heart Association (AHA)
FX This work was supported, in part, by the American Heart Association
(AHA). The funders had no role in study design, data collection and
analysis, decision to publish, or preparation of the manuscript.
NR 36
TC 21
Z9 21
U1 1
U2 11
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD JUN 28
PY 2011
VL 6
IS 6
AR e21640
DI 10.1371/journal.pone.0021640
PG 9
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 784FW
UT WOS:000292142800049
PM 21738746
ER
EF