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834 Matching Results
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Application of Proteomics and Lipid Studies in Environmental Biotechnology
The overview of changes in protein levels or states in response to a growth condition, stress, mutation or metabolic engineering is invaluable in understanding the physiology of a microbial system. The lipid profile of the cell is similarly a valuable diagnostic of the cellular response and health, especially in context of survival in a fluctuating environment. To obtain comprehensive cellular models, post-transcriptional cell wide surveys at the levels of proteins and lipids are required. Both these fields have been greatly bolstered by the development of high throughput methods using mass spectrometry. Multiple strategies now exist for the identification of proteins, and numerous workflows to quantify protein abundance have also been developed. Cellular profiling such as these allows us to assess the potential of a microbial system for environmental applications such as bioremediation and bio-energy.
Date:
August 12, 2008
Creator:
Mukhopadhyay, Aindrila
System:
The UNT Digital Library
Ethanol Production, Distribution, and Use: Discussions on Key Issues
From production to the environment, presentation discusses issues surrounding ethanol as a transportation fuel.
Date:
May 14, 2008
Creator:
Harrow, G.
System:
The UNT Digital Library
Community Proteogenomics: background and application to the Rifle Bioremediation project
None
Date:
April 19, 2007
Creator:
Banfield, Jill
System:
The UNT Digital Library
Potential for Biofuels from Algae
Presentation on the potential for biofuels from algae presented at the 2007 Algae Biomass Summit in San Francisco, CA.
Date:
November 15, 2007
Creator:
Pienkos, P. T.
System:
The UNT Digital Library
Do the Defects Make it Work? Defect Engineering in π - Conjugated Polymer Films and Their Solar Cells
The summaries of this report are: (1) charged defects produce 10{sup 15}-10{sup 17} cm{sup -3} free carriers; (2) treatment with nucleophiles decreases p{sub f} and {sigma} while treatment with electrophiles does not change p{sub f} but increases {sigma}; (3) both treatments increase {mu}{sub p}, L{sub ex} and stability against photo-degradation; (4) charged defects can improve OPV by increasing conductivity and creating interfacial electric fields but they hurt {mu}{sub p}, L{sub ex} and chemical stability; and (5) a better way--synthesize materials without covalent defects and dope with purposely added, bound dopants.
Date:
May 1, 2008
Creator:
Gregg, B. A.; Wang, D.; Reese, M. O. & Kopidakis, N.
System:
The UNT Digital Library
Controlled Hydrogen Fleet and Infrastructure Analysis
This presentation by Keith Wipke at the 2008 DOE Hydrogen Program Annual Merit Review Meeting provides information about NREL's Controlled Hydrogen Fleet and Infrastructure Analysis Project.
Date:
June 10, 2008
Creator:
Wipke, K.; Sprik, S. & Kurtz, J.
System:
The UNT Digital Library
High-Efficiency Solar Cells for Large-Scale Electricity Generation & Design Considerations for the Related Optics
The photovoltaic industry has been growing exponentially at an average rate of about 35%/year since 1979. Recently, multijunction concentrator cell efficiencies have surpassed 40%. Combined with concentrating optics, these can be used for electricity generation.
Date:
September 17, 2007
Creator:
Kurtz, S.; Olson, J.; Geisz, J.; Friedman, D.; McMahon, W.; Ptak, A. et al.
System:
The UNT Digital Library
Session: CSP Advanced Systems: Optical Materials
The Optical Materials project description is to characterize advanced reflector, perform accelerated and outdoor testing of commercial and experimental reflector materials, and provide industry support.
Date:
April 1, 2008
Creator:
Kennedy, C.
System:
The UNT Digital Library
Influence of Electrodes, Light, and Air on Organic Photovoltaic Stability and Various Device Protection Strategies
None
Date:
May 1, 2008
Creator:
Reese, M. O.; Morfa, A. J.; White, M. S.; Kopidakis, N.; Shaheen, S. E.; Rumbles, G. et al.
System:
The UNT Digital Library
Information Dashboards
"A dashboard is a visual interface that provides at-a-glance views into key measures relevant to a particular objective or business process." Key Attributes: Graphical to focus attention on key trends, comparisons and exceptions, Display only relevant data, Inherently contain predefined conclusions. Note: Collecting user requirements is KEYfrom'Excel 2007 Dashboards& Reports for Dummies' by Michael Alexander
Date:
April 11, 2008
Creator:
Shutkin, Amy; Shutkin, Amy & Shutkin, Amy
System:
The UNT Digital Library
Evaluation of Four Imaging Techniques for the Electrical Characterization of Solar Cells
The imaging techniques enable the possibility of higher-level quality control and defect analysis of solar cell materials in in-line production processes.
Date:
December 3, 2008
Creator:
S., Johnston.; Berman, G.; Call, N. & Ahrenkiel, R.
System:
The UNT Digital Library
Infiltration and Injection Sites and Example Experiments
The objectives of this paper are: (1) design a characterization and monitoring strategy for vadose zone infiltration and aquifer injection sites; and (2) track spatial and temporal evolution of water and reactive chemicals through vadose zone and aquifer.
Date:
April 19, 2007
Creator:
Rockhold, Mark
System:
The UNT Digital Library
Oak Ridge Integrated Field-Scale Research Challenge: ERKP686 Research Outcomes, Data Management, Site Contributions, and Opportunities
None
Date:
April 19, 2007
Creator:
unknown
System:
The UNT Digital Library
NREL Core Program; Session: Wafer Silicon
This project supports the Solar America Initiative by working on: (1) wafer Si accounts for 92% world-wide solar cell production; (2) research to fill the industry R and D pipeline for the issues in wafer Si; (3) development of industry collaborative research; (4) improvement of NREL tools and capabilities; and (5) strengthen US wafer Si research.
Date:
April 1, 2008
Creator:
Wang, Q.
System:
The UNT Digital Library
Excitonic Solar Cells: The Challenges of Efficiency and Durability
None
Date:
May 1, 2008
Creator:
Rumbles, G.
System:
The UNT Digital Library
High-Performance Systems Biology and Associated Combinatorial Scientific Computing Problems
Presentation discussing a metabolomics study focused on a hydrogen-producing green alga and the problems encountered that are addressable using combinatorial scientific computing methods.
Date:
June 1, 2008
Creator:
Alber, D.
System:
The UNT Digital Library
Direct Comparison of Inverted and Non-inverted Growths of GaInP Solar Cells
The motivation for this presentation is that growing inverted cells may enable technological advances in solar cell fabrication, leading to higher efficiencies. Differences in dopant diffusion during inverted vs. upright growths may lead to differences in atomic depth profiles; changes in carrier concentrations; higher contact resistance and lower overall performance. This presentation summarizes that excellent performance is achievable in both upright and inverted configurations with proper consideration; subtle differences in depth profile QE and JV between upright and inverted growths due to dopant diffusion; and GaInAsN contact layer is resilient to length annealing and more work is necessary to determine why.
Date:
May 1, 2008
Creator:
Steiner, M. A.; Geisz, J. F.; Reedy,Jr. R. C. & Kurtz, S.
System:
The UNT Digital Library
Microscopic Mass Transfer of Uranium in Contaminated Sediments at Hanford Site
None
Date:
April 19, 2007
Creator:
Liu, Chongxuan; Zachara, John; McKinley, James; Majors, Paul & Keristi, Sebastien
System:
The UNT Digital Library
300 Area IFC Site and Data Management
This report presents site and data management of 300 Area IFC.
Date:
April 19, 2007
Creator:
Freshley, Mark
System:
The UNT Digital Library
Inverted GaInP/GaAs/InGaAs Triple-Junction Solar Cells with Low-Stress Metamorphic Bottom Junctions
None
Date:
May 1, 2008
Creator:
Geisz, J. F.; Kurtz, S. R.; Wanlass, M. W.; Ward, J. S.; Duda, A.; Friedman, D. J. et al.
System:
The UNT Digital Library
Geophysical Investigations at the Old Rifle IFC Site
None
Date:
April 19, 2007
Creator:
Williams, Kenneth H.; Hubbard, Susan S.; Banfield, Jillian F.; Kemna, Andreas; N’Guessan, Lucie & Long, and Philip E.
System:
The UNT Digital Library
EE&RE, Session: CdTe - Progress and Roadmap Alignment
This project supports the Solar America Initiative by: (1) assistance to SAI Incubators (Primestar Solar, AvA Solar); (2) providing industry with baseline understanding of CdS/CdTe device formation and reliability--incorporation of low-cost, high quality TCOs, functionality and options for buffer layers, effect of various CdS options, effect of and importance CdSTe alloy formation, effect and options for CdCl{sub 2} treatment, effect and options for back contact, and effect of residual impurities during all stages of device formation; (3) understanding modes and mechanisms of cell-level stability; and (4) establishment of CdTe PDIL Tool for rapid material and process screening.
Date:
April 1, 2008
Creator:
Gessert, T.
System:
The UNT Digital Library
Cutting Edge Ergonomics for Laboratories
None
Date:
September 24, 2007
Creator:
Alexandre, Melanie
System:
The UNT Digital Library
PEEM Thermal Stress and Reliability
Advancing power electronics thermal stress and reliability is a critical factor in power electronics equipment. NREL aims to improve thermal stress and reliability of power electronics technologies.
Date:
November 8, 2007
Creator:
O'Keefe, M. P.
System:
The UNT Digital Library