• Radioactivity
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Functionalized Gold Nanoparticles for Rapid, Ultra- sensitive Detection of Environmental Pollutants A rapid, highly sensitive, inexpensive method to detect and identify specific hazardous environmental pollutants has been invented by ORNL researchers. The method uses gold nanoparticles, modified and positively charged by an amine group, to identify hazards such as perchlorates, nitrates, and some…

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Next Generation Extractants for Cesium Separation from High-Level Waste: From Fundamental Concepts to Site Implementation Project 90252 Calix[4]arenebiscrown-6 molecules are currently the selected technology for removal of radioactive cesium-137 from DOE nuclear wastes. By attachment of an acidic function to such molecules, the efficiency with which cesium ion can be extracted from an aq…

Inexpensivegamma-Raydetector Inexpensive Gamma-ray Detector Overview The RADSiP II gamma-ray sensor is a small, inexpensive, virtually passive hardware system designed for individual-item monitoring of radioactive materials. The system provides a method for maintaining 24-hour surveillance of stored radioactive items and recording any gamma-ray change. The system can be retrofitted into existing…

RCB Hazardous Materials Transportation Hazardous Materials Transportation O RNL has a staff with extensive experience in planning hazardous materials transportation shipping campaigns. Capabilities Regulatory Compliance, including DOT, NRC, IAEA Route planning for highway, rail, or waterway Packaging, including recommendation, design, and testing Detailed simulation of loading, trans…

Use of radioactive tracers for selection of rare earth precipitants and ignition temperatures PREPRIHT UCRL- 53402 Lawrence Livermore Laboratory USE OF RADIOACTIVE TRACERS FOR SELECTION OF RARE EARTH FRECIPITANTS AND IGNITION TEMPERATURES This paper was prepared for submission to: 23rd Conference on Analytical Chemistry in Energy Technology Oak Ridge National Laboratory, Oak rcidge, T…

Fs Nstd Finm ORNL is advancing the applications of medical, industrial, and research isotopes; developing separation processes for the processing of Separations Science and Technology Conduct research and development of energy-related separations, including basic studies of physical properties, modeling of chemical processes from continuum to molecular scale, development of advanced processes for…

Inexpensivepassive Inexpensive, passive gamma-ray sensor Overview The RADTELL II gamma-ray sensor is a small, inexpensive, virtually passive hardware system designed for individual-item monitoring of radioactive materials. The system provides a method for maintaining 24-hour surveillance of stored radioactive items and recording any gamma-ray change. The system can be retrofitted into existing…

Total effective dose equivalent associated with fixed uranium surface contamination r I I . OWL-6913 TOTAL EFFECTIVE DOSE EQUIVALENT ASSOCIATED WITH FIXED URANIUM SURFACE CONTAMINATION J. S. Bogard R. N. Hamm J. C. Ashley J. E. Turner C. A. England D. E. Swenson K. S. Brown This report has been reproduced directly from the best available copy. Available to DOE and DOE…

Technical basis for the internal dosimetry program at the Y-12 Plant V Item 14 Y/DQ-40 Y-12 O A K R l D G E TECHNICAL BASIS FOR THE Y 1 2 INTERNAL DOSIMETRY PROGRAM ! " \TL ~ A T T H E Y"12 PLANT PLANT J.C. Ashley J.M. Barber L.M. Snapp J.E. Turner March 2, 1992 f~ <- K ""sm Prepared by the S T I If Rirla* Y-1? Plant * * Oak dge - 2 Oak Ridge, Tennessee 37831 …

Method for preparing high specific activity 177Lu Description The present invention relates to methods of preparing medically useful radioisotopes, particularly high specific activity no-carrier-added radioisotopes, and more particularly to methods of preparing high specific activity, no-carrier-added Lutetium-177 (.sup.177 Lu). The use of beta particle-emitting radioisotopes for appli…

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