Application of a Newly Developed Photoluminescence Glass Dosimeter for Measuring the Absorbed Dose in Individual Mice Exposed to Low-dose Rate <sup>137</sup>Cs γ-rays

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  • HOSHI YUKO
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • NOMURA TAKAHARU
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • ODA TAKESHI
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • IWASAKI TOSHIYASU
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • FUJITA KAZUKO
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • ISHIKAWA TATSUYA
    Chiyoda Technol Corporation
  • KATO AKIRA
    Chiyoda Technol Corporation
  • IKEGAMI TOHRU
    Asahi Technoglass Corporation
  • SAKAI KAZUO
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • TANOOKA HIROSHI
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry
  • YAMADA TAKESHI
    Komae Branch, Bio-Science Department, Central Research Institute of Electric Power Industry

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  • Application of a Newly Developed Photoluminescence Glass Dosimeter for Measuring the Absorbed Dose in Individual Mice Exposed to Low-dose Rate 137Cs γ-rays
  • Application of a Newly Developed Photoluminescence Glass Dosimeter for Measuring the Absorbed Dose in Individual Mice Exposed to Low dose Rate 137Cs ガンマ rays

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A photoluminescence glass dosimeter, GD-301, was applied to the measurement of low absorbed doses in mice exposed to low-dose rate 137Cs γ-rays. The dosimeter system consists of small rod-shaped glass chip detectors capable of embedded in the body of a mouse and an automatic readout device equipped with a standard detector irradiated with 137Cs γ-source. The measured absorbed doses were compared with the "exposure" estimated by an ionization chamber and with the doses measured by a BeO:Na thermoluminescence system. The results clearly demonstrate the superiority of the glass dosimetry regarding simplicity of operation, stability of long-term dose accumulation and good detector uniformity, which allow accurate tissue dosimetry.

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