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Variation of selenium concentration in toenails following long-term storage, washing and reactor irradiation

Variation of selenium concentration in toenails following long-term storage, washing and reactor... Neutron activation analysis of toenails is often used to monitor body selenium in studies looking for an association between selenium deficiency and an increased cancer risk. In this study, 87 toenail samples were analyzed for Se four times, using neutron activation with 17.4-second 77m Se, to determine the possible systematic effects of long-term storage, the washing procedure, and irradiation in a nuclear reactor. The mean Se concentration found was 0.92 mg/g, standard deviation 0.14 mg/g. The results showed that the Se concentrations are unaffected by washing and neutron irradiation, but the samples lost moisture during storage causing a 2% increase in the mean Se concentration. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Radioanalytical and Nuclear Chemistry Springer Journals

Variation of selenium concentration in toenails following long-term storage, washing and reactor irradiation

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Publisher
Springer Journals
Copyright
Copyright © 2006 by Springer-Verlag/Akadémiai Kiadó
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry; Nuclear Chemistry; Diagnostic Radiology; Nuclear Physics, Heavy Ions, Hadrons
ISSN
0236-5731
eISSN
1588-2780
DOI
10.1007/s10967-006-0390-4
Publisher site
See Article on Publisher Site

Abstract

Neutron activation analysis of toenails is often used to monitor body selenium in studies looking for an association between selenium deficiency and an increased cancer risk. In this study, 87 toenail samples were analyzed for Se four times, using neutron activation with 17.4-second 77m Se, to determine the possible systematic effects of long-term storage, the washing procedure, and irradiation in a nuclear reactor. The mean Se concentration found was 0.92 mg/g, standard deviation 0.14 mg/g. The results showed that the Se concentrations are unaffected by washing and neutron irradiation, but the samples lost moisture during storage causing a 2% increase in the mean Se concentration.

Journal

Journal of Radioanalytical and Nuclear Chemistry – Springer Journals

Published: Aug 1, 2006

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