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The migration of Sr90 along the biological chain plant-to-sheep-to-fetus

  • Experimental Biology
  • Published:
Bulletin of Experimental Biology and Medicine Aims and scope

Summary

When pregnant sheep are fed radioactive hay with a specific activity of 0.05 μC/kg body weight for a period of six months, the concentration of Sr90 in the skeleton reaches 0.263 μC/kg. This concentration is 14.6 times as high as the concentration in the skeleton of the fetus. During Sr90 migration within the biological chain, discrimination occurs between Sr90 and calcium. Discrimination coefficients for the chains plant-to-mother and plant-to-fetus are 0.21 and 0.091, respectively; the protection coefficients, which are the reciprocals of the discrimination coefficients, are 4.37 and 10.9, respectively.

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Authors
  1. L. A. Buldakov
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  2. Yu. I. Moskalev
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Buldakov, L.A., Moskalev, Y.I. The migration of Sr90 along the biological chain plant-to-sheep-to-fetus. Bull Exp Biol Med 50, 1081–1083 (1961). https://doi.org/10.1007/BF00784885

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  • DOI: https://doi.org/10.1007/BF00784885

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