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477 Matching Results
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7th International Workshop on Microbeam Probes of Cellular Radiation Response
The extended abstracts that follow present a summary of the Proceedings of the 7th International Workshop: Microbeam Probes of Cellular Radiation Response, held at Columbia University’s Kellogg Center in New York City on March 15–17, 2006. These International Workshops on Microbeam Probes of Cellular Radiation Response have been held regularly since 1993 (1–5). Since the first workshop, there has been a rapid growth (see Fig. 1) in the number of centers developing microbeams for radiobiological research, and worldwide there are currently about 30 microbeams in operation or under development. Single-cell/single-particle microbeam systems can deliver beams of different ionizing radiations with a spatial resolution of a few micrometers down to a few tenths of a micrometer. Microbeams can be used to addressquestions relating to the effects of low doses of radiation (a single radiation track traversing a cell or group of cells), to probe subcellular targets (e.g. nucleus or cytoplasm), and to address questions regarding the propagation of information about DNA damage (for example, the radiation-induced bystander effect). Much of the recent research using microbeams has been to study low-dose effects and ‘‘non-targeted’’ responses such as bystander effects, genomic instability and adaptive responses. This Workshop provided a forum to assess the …
Date:
July 21, 2009
Creator:
Brenner, David J.
Object Type:
Report
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 111, No. 269, Ed. 1 Tuesday, July 21, 2009
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 21, 2009
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[American National Bank of Texas Deposit Receipt and Summary]
Checking deposit receipt of $96.05 made on July 21, 2009, and deposit summary of $96.05 made on July 21, 2009.
Date:
July 21, 2009
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Annual Stock Assessment - CWT [Coded Wire Tag program] (USFWS), Annual Report 2007.
In 1989 the Bonneville Power Administration (BPA) began funding the evaluation of production groups of juvenile anadromous fish not being coded-wire tagged for other programs. These groups were the 'Missing Production Groups'. Production fish released by the U.S. Fish and Wildlife Service (FWS) without representative coded-wire tags during the 1980s are indicated as blank spaces on the survival graphs in this report. This program is now referred to as 'Annual Stock Assessment - CWT'. The objectives of the 'Annual Stock Assessment' program are to: (1) estimate the total survival of each production group, (2) estimate the contribution of each production group to fisheries, and (3) prepare an annual report for USFWS hatcheries in the Columbia River basin. Coded-wire tag recovery information will be used to evaluate the relative success of individual brood stocks. This information can also be used by salmon harvest managers to develop plans to allow the harvest of excess hatchery fish while protecting threatened, endangered, or other stocks of concern. All fish release information, including marked/unmarked ratios, is reported to the Pacific States Marine Fisheries Commission (PSMFC). Fish recovered in the various fisheries or at the hatcheries are sampled to recover coded-wire tags. This recovery information is …
Date:
July 21, 2009
Creator:
Pastor, Stephen M.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 89, No. 202, Ed. 1 Tuesday, July 21, 2009
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
July 21, 2009
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 103, No. 58, Ed. 1 Tuesday, July 21, 2009
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
July 21, 2009
Creator:
Cartwright, Brian & Velvin, Candace E.
Object Type:
Newspaper
System:
The Portal to Texas History
Chile: Political and Economic Conditions and U.S. Relations
This report provides a brief historical background of Chile, examines recent political and economic developments, and addresses issues in U.S.-Chilean relations.
Date:
July 21, 2009
Creator:
Meyer, Peter J.
Object Type:
Report
System:
The UNT Digital Library
Costa Rica: Background and U.S. Relations
Costa Rica is a relatively politically stable and economically developed nation with a long tradition of civilian democracy. Once a predominantly agricultural nation, Costa Rica has established a diversified economy with a strong export sector. This report examines recent political and economic developments in Costa Rica as well as issues in U.S.-Costa Rica relations.
Date:
July 21, 2009
Creator:
Meyer, Peter J.
Object Type:
Report
System:
The UNT Digital Library
DART's Thomas Named COMTO 2009 Executive of the Year
News release about DART president Gary Thomas being recognized by the Conference of Minority Transportation Officials for his leadership in the hiring and the advancement of minorities.
Date:
July 21, 2009
Creator:
Lyons, Morgan & Ball, Mark
Object Type:
Text
System:
The Portal to Texas History
Development of a Markerless Genetic Exchange System in Desulfovibrio vulgaris Hildenborough and Its Use in Generating a Strain with Increased Transformation Efficiency
In recent years, the genetic manipulation of the sulfate-reducing bacterium Desulfovibrio vulgaris Hildenborough has seen enormous progress. In spite of this progress, the current marker exchange deletion method does not allow for easy selection of multiple sequential gene deletions in a single strain because of the limited number of selectable markers available in D. vulgaris. To broaden the repertoire of genetic tools for manipulation, an in-frame, markerless deletion system has been developed. The counterselectable marker that makes this deletion system possible is the pyrimidine salvage enzyme, uracil phosphoribosyltransferase, encoded by upp. In wild-type D. vulgaris, growth was shown to be inhibited by the toxic pyrimidine analog 5-fluorouracil (5-FU); whereas, a mutant bearing a deletion of the upp gene was resistant to 5-FU. When a plasmid containing the wild-type upp gene expressed constitutively from the aph(3')-II promoter (promoter for the kanamycin resistance gene in Tn5) was introduced into the upp deletion strain, sensitivity to 5-FU was restored. This observation allowed us to develop a two-step integration and excision strategy for the deletion of genes of interest. Since this inframe deletion strategy does not retain an antibiotic cassette, multiple deletions can be generated in a single strain without the accumulation of genes …
Date:
July 21, 2009
Creator:
Keller, Kimberly L.; Bender, Kelly S. & Wall, Judy D.
Object Type:
Article
System:
The UNT Digital Library
[Email from Daniel Graney to members]
Email from Daniel Graney to Kaye Gooch, Erin Moore, and Al Daniels, on July 21, 2009 discussing scouting venues in Corpus Christi for the 2010 convention.
Date:
July 21, 2009
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, July 21, 2009
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 21, 2009
Creator:
Pittman, Jerry & Wray, Kelly
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Greensheet (Houston, Tex.), Vol. 40, No. 289, Ed. 1 Tuesday, July 21, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
July 21, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 40, No. 290, Ed. 1 Tuesday, July 21, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
July 21, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
International Trade: Prior Updates of the Trade Advisory System Offer Insights for Current Review
Testimony issued by the Government Accountability Office with an abstract that begins "This testimony provides a summary of key findings from the comprehensive report on the trade advisory system that we provided to the Congress in 2002, as well as from our more recent report in 2007 on the Congressional and private sector consultations under Trade Promotion Authority. In particular, this testimony highlights our recommendations in three key areas--committee consultations, logistics, and overall system structure--as well as the changes that have been made by the U.S. agencies since those reports were published."
Date:
July 21, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Lessons Learned in Risk Management on NCSX
The National Compact Stellarator Experiment (NCSX) was designed to test physics principles of an innovative stellarator design developed by the Princeton Plasma Physics Laboratory and Oak Ridge National Laboratory. Construction of some of the major components and sub-assemblies was completed, but the estimated cost and schedule for completing the project grew as the technical requirements and risks became better understood, leading to its cancellation in 2008. The project's risks stemmed from its technical challenges, primarily the complex component geometries and tight tolerances that were required. The initial baseline, established in 2004, was supported by a risk management plan and risk-based contingencies, both of which proved to be inadequate. Technical successes were achieved in the construction of challenging components and subassemblies, but cost and schedule growth was experienced. As part of an effort to improve project performance, a new risk management program was devised and implemented in 2007-08. It led to a better understanding of project risks, a sounder basis for contingency estimates, and improved management tools. Although the risks ultimately were unacceptable to the sponsor, valuable lessons in risk management were learned through the experiences with the NCSX project.
Date:
July 21, 2009
Creator:
G.H. Neilson, C.O. Gruber, J.H. Harris, D.J. Rej, R.T. Simmons, and R.L. Strykowsky
Object Type:
Article
System:
The UNT Digital Library
Lessons Learned in Risk Management on NCSX
The National Compact Stellarator Experiment (NCSX) was designed to test physics principles of an innovative stellarator design developed by the Princeton Plasma Physics Laboratory and Oak Ridge National Laboratory. Construction of some of the major components and sub-assemblies was completed, but the estimated cost and schedule for completing the project grew as the technical requirements and risks became better understood, leading to its cancellation in 2008. The project's risks stemmed from its technical challenges, primarily the complex component geometries and tight tolerances that were required. The initial baseline, established in 2004, was supported by a risk management plan and risk-based contingencies, both of which proved to be inadequate. Technical successes were achieved in the construction of challenging components and subassemblies, but cost and schedule growth was experienced. As part of an effort to improve project performance, a new risk management program was devised and implemented in 2007-08. It led to a better understanding of project risks, a sounder basis for contingency estimates, and improved management tools. Although the risks ultimately were unacceptable to the sponsor, valuable lessons in risk management were learned through the experiences with the NCSX project.
Date:
July 21, 2009
Creator:
G.H. Neilson, C.O. Gruber, J.H. Harris, D.J. Rej, R.T. Simmons, and R.L. Strykowsky
Object Type:
Report
System:
The UNT Digital Library
Molecular Genetic Analysis of Maize Starch Branching Isoforms: Modulation of Starch Branching Enzyme Isoform Activities in Maize to Produce Starch with Novel Branching Architecture and Properties
Modulation of Starch Branching enzyme Isoform Activities in Maize to Produce Starch with Novel Branching Architecture and Properties.
Date:
July 21, 2009
Creator:
Guiltinan, Mark J. & Thompson, Donald
Object Type:
Report
System:
The UNT Digital Library
Nuclear Cooperation with Other Countries: A Primer
This report discusses section 123 of the Atomic Energy Act (AEA), the specific requirements of which must be met in order for the United States to engage in civilian nuclear cooperation with other states. The AEA also provides for exemptions to these requirements, export control licensing procedures, and criteria for terminating cooperation.
Date:
July 21, 2009
Creator:
Kerr, Paul K. & Nikitin, Mary Beth
Object Type:
Report
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 94, No. 169, Ed. 1 Tuesday, July 21, 2009
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
July 21, 2009
Creator:
Atkinson, Luke
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Pawnee Nation Energy Option Analyses
Pawnee Nation of Oklahoma Energy Option Analyses In 2003, the Pawnee Nation leadership identified the need for the tribe to comprehensively address its energy issues. During a strategic energy planning workshop a general framework was laid out and the Pawnee Nation Energy Task Force was created to work toward further development of the tribe’s energy vision. The overarching goals of the “first steps” project were to identify the most appropriate focus for its strategic energy initiatives going forward, and to provide information necessary to take the next steps in pursuit of the “best fit” energy options. Description of Activities Performed The research team reviewed existing data pertaining to the availability of biomass (focusing on woody biomass, agricultural biomass/bio-energy crops, and methane capture), solar, wind and hydropower resources on the Pawnee-owned lands. Using these data, combined with assumptions about costs and revenue streams, the research team performed preliminary feasibility assessments for each resource category. The research team also reviewed available funding resources and made recommendations to Pawnee Nation highlighting those resources with the greatest potential for financially-viable development, both in the near-term and over a longer time horizon. Findings and Recommendations Due to a lack of financial incentives for renewable energy, …
Date:
July 21, 2009
Creator:
Matlock, M.; Kersey, K. & Riding In, C.
Object Type:
Report
System:
The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 142, Ed. 1 Tuesday, July 21, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 21, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Peru: Current Conditions and U.S. Relations
Peru shows promising signs of economic and political stability and the inclination to work with the United States on mutual concerns. This report discusses current political and economic issues in Peru and examines the country's relationship with the U.S.
Date:
July 21, 2009
Creator:
Taft-Morales, Maureen
Object Type:
Report
System:
The UNT Digital Library
PRELIMINARY FRIT DEVELOPMENT AND MELT RATE TESTING FOR SLUDGE BATCH 6 (SB6)
The Liquid Waste Organization (LWO) provided the Savannah River National Laboratory (SRNL) with a Sludge Batch 6 (SB6) composition projection in March 2009. Based on this projection, frit development efforts were undertaken to gain insight into compositional effects on the predicted and measured properties of the glass waste form and to gain insight into frit components that may lead to improved melt rate for SB6-like compositions. A series of Sludge Batch 6 (SB6) based glasses was selected, fabricated and characterized in this study to better understand the ability of frit compositions to accommodate uncertainty in the projected SB6 composition. Acceptable glasses (compositions where the Product Composition Control System (PCCS) Measurement Acceptability Region (MAR) predicted acceptable properties, good chemical durability was measured, and no detrimental nepheline crystallization was observed) can be made using Frit 418 with SB6 over a range of Na{sub 2}O and Al{sub 2}O{sub 3} concentrations. However, the ability to accommodate variation in the sludge composition limits the ability to utilize alternative frits for potential improvements in melt rate. Frit 535, which may offer improvements in melt rate due to its increased B2O3 concentration, produced acceptable glasses with the baseline SB6 composition at waste loadings of 34 and 42%. …
Date:
July 21, 2009
Creator:
Fox, K.; Miller, D. & Edwards, T.
Object Type:
Report
System:
The UNT Digital Library