Results 141 to 150 of about 2,012,687 (197)
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Nature, 1966
IN 1963, Hopkins et al.1 reported the accumulation of significant amounts of strontium-90 in the hair of rats which had acquired known body burdens of the radio-nuclide either by injection or in utero. They further suggested that the analysis of hair could provide a non-destructive method of measuring bone seeking radio-elements.
G. Peterson, R.J. Della Rosa, F. Gielow
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IN 1963, Hopkins et al.1 reported the accumulation of significant amounts of strontium-90 in the hair of rats which had acquired known body burdens of the radio-nuclide either by injection or in utero. They further suggested that the analysis of hair could provide a non-destructive method of measuring bone seeking radio-elements.
G. Peterson, R.J. Della Rosa, F. Gielow
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Nature, 1961
Measurements were made of the Sr/sup 90/ content of 121 teeth collected in 1959. After a number of analytical steps, the final Sr/sup 90/ content was determined by counting carrier-free Y/sup 90/ daughter. A statistical analysis of results indicates that there is a definite inverse correlation between Sr/sup 90/ concentration and age.
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Measurements were made of the Sr/sup 90/ content of 121 teeth collected in 1959. After a number of analytical steps, the final Sr/sup 90/ content was determined by counting carrier-free Y/sup 90/ daughter. A statistical analysis of results indicates that there is a definite inverse correlation between Sr/sup 90/ concentration and age.
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Strontium-90 in antlers of red deer: an indicator of environmental contamination by strontium-90
Science of The Total Environment, 1994The sampling procedures in connection with a very sensitive analytical method are described. Results from different areas in Austria are presented and an interpretion of the results is attempted. Some findings are in accordance with measurements from other substances, some are not. The differences most probably depend on several factors like soil type,
M. Friedrich +2 more
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Medical Dosimetry, 1989
Details of the Strontium-90 Eye Application including equipment, irradiation technique, radiation safety and data are presented.
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Details of the Strontium-90 Eye Application including equipment, irradiation technique, radiation safety and data are presented.
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Radiolabeling Dermacentor variabilis with Strontium-90 and Strontium-90 Plus Carbon-14 Mixtures12
Journal of Economic Entomology, 1970The feasibility of radiolabeling larval American dog ticks, Dermacentor variabilis (Say) with strontium-90 (90Sr) is demonstrated. The radioisotope was administered in inorganic form by inoculation of procreant females. Transovarial transfer to larval progeny resulted in sufficient radioactivity to permit easy detection of labeling in individual larvae.
Daniel E. Sonenshine, Gertrude Esch
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Clams as Indicators of Strontium-90
Science, 1962Fresh-water clams concentrate strontium-90 in their shells and may be used as indicators of the Sr 90 contamination of their environment. Analysis of data derived from the specific activity of Sr 90 in shells showed that Sr 90 released to the Tennessee River system ...
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Foliar Retention of Strontium-90 by Wheat
Science, 1961Wheat harvested from the University of Maryland Agronomy Farm in June 1959 contained 20 to 50 micromicrocuries of strontium-90 per kilogram of grain. More than 90 percent of the strontium-90 came from deposition on aboveground plant parts, and less than 10 percent was taken up through the soil.
Howard Roberts +2 more
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Availability of yttrium-90 from strontium-90: a nuclear medicine perspective.
Cancer Biotherapy and Radiopharmaceuticals, 2012Yttrium-90 (T(½) 64.1 hours, E(βmax)=2.28 MeV) is a pure β⁻ particle emitting radionuclide with well-established applications in targeted therapy. There are several advantages of ⁹⁰Y as a therapeutic radionuclide.
Rubel Chakravarty, A. Dash, M. Pillai
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Sorptive Removal of Cesium-137 and Strontium-90 from Water by Unconventional Sorbents.
, 2012It has been shown that coal fly ash is a good adsorbent for both radionuclides of 137Cs and 90Sr. Radiocesium adsorption is maximal around the neutral region whereas radiostrontium adsorption increases with pH, especially above pH 8.
R. Apak, G. Atun, K. Güçlü, E. Tütem
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