New Method for Estimating Gamma-Ray Exposure Sustained in Radiation Accidents

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Other Title
  • Possibilities of Using Organic Substances as Monitor

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A new method is proposed for estimating the amount of exposure to γ-rays sustained by victims involved in a radiation accident. The concept is to use as measure of exposure the quantity of free radicals generated in organic materials by irradiation, and to determine this quantity through its relation to the electron spin resonance shown by substance containing such radicals. Applying this method, a minimum exposure of about 100 R could be estimated with measurements at room temperature. The monitor substances taken up for the present series of experiments included nails and hair taken from exposed persons, plastic button, polyethylene powder, lucite, paper and wool. The experiments were aimed at determining the sensitivity, the fading with lapse of storage time after irradiation and the effects of differences in condi-tions of storage such as temperature, illumination, and washing before measurement. The method thus developed should prove useful for estimating the extent of exposure, to serve in deciding the medical treatment to be applied.

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Details 詳細情報について

  • CRID
    1390282679074674944
  • NII Article ID
    130000829876
  • DOI
    10.3327/jnst.11.575
  • COI
    1:CAS:528:DyaE2MXptFGlug%3D%3D
  • ISSN
    18811248
    00223131
  • Text Lang
    en
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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