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The application of NAA with irradiation at reduced temperature for the study of element losses during pretreatment of biological samples

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Abstract

We have developed an irradiation facility by means of which samples can be irradiated near the core edge of the reactor BER II in liquid nitrogen at a thermal-neutron flux of 1.5.1013 n·cm−2·s−1 for a maximum of 14 days. We present the technique of neutron activation analysis in which biological samples enclosed in thin-walled quartz ampoules are irradiated and measured directly without pretreatment. Using this method, losses of iron, zinc and selenium during pretreatment procedures (freeze-drying and oven-drying at 30, 60, and 90°C) for the analysis of plasma, erythrocytes and liver were studied.

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Authors and Affiliations

  1. Hahn-Meitner-Institut für Kernforschung Berlin, Glienicker Straße 100, D-1000, Berlin 39

    D. Gawlik, K. Berthold, F. Chisela & P. Brätter

Authors
  1. D. Gawlik
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  2. K. Berthold
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  3. F. Chisela
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  4. P. Brätter
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Gawlik, D., Berthold, K., Chisela, F. et al. The application of NAA with irradiation at reduced temperature for the study of element losses during pretreatment of biological samples. Journal of Radioanalytical and Nuclear Chemistry, Articles 112, 309–319 (1987). https://doi.org/10.1007/BF02132363

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  • DOI: https://doi.org/10.1007/BF02132363

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