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2009 NOV 27 -- "Instrumental neutron activation analysis with the internal standard correction was applied to determination Hf in high purity Zr metal. Zirconium, which was a matrix element, was used as an internal standard to compensate for inhomogeneity of......
2009 NOV 27 -- According to a study from the United States, "With the now common availability of large-volume thin-window germanium detectors, it is possible to routinely measure very low energy (< 45 keV) gamma and X-rays while maintaining good sensitivity......
2009 NOV 27 -- According to a study from Debrecen, Hungary, "The alpha-synuclein immunopositive and chaotrope-insoluble material from human brains with Lewy body pathology was analyzed by mass spectrometry. From the proteinase K-cleavable peripheral fraction......
2009 NOV 27 -- According to recent research from Hamilton, New Zealand, "Using New Zealand land snails as a case study, we evaluated recent spatial modelling approaches for the analysis of diversity in species-rich invertebrate groups. Applications and......
2009 NOV 27 -- According to recent research from the United States, "Previous studies including the development of methods for the determination of carbon, nitrogen, and phosphorus in cattail using cold neutron prompt gamma activation (CNPGAA) and thermal......
2009 NOV 27 -- According to recent research from the United States, "Quantitative measurement of fission and activation products resulting from neutron irradiation of fissile materials is of interest for applications in environmental monitoring, nuclear waste......
2009 NOV 27 -- "Many body composition measurement systems are calibrated against a single-sized reference phantom. Prompt-gamma neutron activation (PGNA) provides the only direct measure of total body nitrogen (TBN), an index of the body's lean tissue mass,"......
2009 NOV 29 -- According to recent research from Spain, "This paper presents a gamma radiation dosimeter built in a standard 0.35 mu m CMOS technology." "The dosimeter, which occupies 300 x 150 mu m x mu m of silicon area, gives a digital output......
2009 NOV 27 -- "The environmental changes that occurred in different periods can be identified through the increase or decrease of the concentrations of metals and other substances throughout sediment cores. The purpose of this study was to determine Al, As,......
2009 NOV 27 -- According to a study from the United States, "A detailed Monte Carlo N-Particle Transport Code (MCNP5) model of the University of Missouri research reactor (MURR) has been developed. The ability of the model to accurately predict isotope......
2009 NOV 27 -- "Analytical chemists are scientific scavengers, using any available physical phenomenon to determine the composition of materials," researchers in the United States report. "Accuracy, unlike mere reproducibility, depends on......
2009 NOV 27 -- "A new cascade summing correction method with the algorithm extended to include true coincidence summing effects from low-energy gamma-rays, KX-rays from Electron Capture and Internal Conversion, and to include the 511 keV positron annihilation......
2009 NOV 27 -- According to recent research published in the Journal of Radioanalytical and Nuclear Chemistry, "Microcalorimeter detectors provide superior energy resolution for the detection of X-rays and gamma-rays. The technology utilizes a cryogenic......
2009 NOV 27 -- According to recent research from the United States, "Sensitivities and limits of detection (LODs) for 39 elements were determined for cellulose filters, foods, and biological reference materials by anticoincidence instrumental neutron......
2009 NOV 27 -- "Mono-n-butyltin(IV) dichloride complex with the general formula [n-BuSnCl2(PAP)] has been synthesized by direct reaction of n-BuSnCl3 with pyruvic acid-2-pyridylhydrazone in the presence of KOH in equimolar ratio in absolute methanol under......
2009 NOV 27 -- "This study presents regression analysis method used for prediction and investigation of neutronic performance in a hybrid reactor using UO2 fuel and Flibe (Li2BeF4) coolant. The U-235 fraction is increased gradually from 0 to 4% stepped by 1%......
2009 NOV 27 -- "The present study tests the hypothesis that the structure of extracellular domain Loop 2 can markedly affect ethanol sensitivity in glycine receptors (GlyRs) and gamma-aminobutyric acid type A receptors (GABA(A)Rs). To test this, we mutated......
2009 NOV 27 -- "Lead is a hazardous substance, making it a disposal and industrial hygiene problem. The potential for creating mixed waste or mixed TRU waste exists if the lead becomes contaminated," scientists writing in the Journal of Radioanalytical and......
2009 NOV 27 -- "A pseudo-cyclic instrumental neutron activation analysis method in conjunction with anti-coincidence gamma-ray spectrometry (PC-INAA-AC) has been developed for the determination of ppb levels of Se. The method consists of repetitions of the......
2009 NOV 27 -- According to a study from Madrid, Spain, "Reverse turns, it common motif in proteins and peptides, have attracted attention due to their relevance in it Wide variety of biological processes." "In in attempt to artificially imitate......
