External exposure dose estimation by electron spin resonance technique for wild Japanese macaque captured in Fukushima Prefecture

Toshitaka Oka, Atsushi Takahashi, Kazuma Koarai, Yusuke Mitsuyasu, Yasushi Kino, Tsutomu Sekine, Yoshinaka Shimizu, Mirei Chiba, Toshihiko Suzuki, Ken Osaka, Keiichi Sasaki, Yusuke Urushihara, Satoru Endo, Masatoshi Suzuki, Hisashi Shinoda, Manabu Fukumoto

Research output: Contribution to journalArticlepeer-review

Abstract

The relationship between the CO2 radical intensity and the absorbed dose (dose response curve) of tooth enamel of Japanese macaque was observed by electron spin resonance and the detection limit of our system was estimated to be 33.5 mGy. Using the dose response curve, external exposure dose for seven wild Japanese macaques captured in Fukushima prefecture were examined. The results suggest that the external exposure dose for the wild Japanese macaques were ranged between 45 mGy and 300 mGy.

Original languageEnglish
Article number106315
JournalRadiation Measurements
Volume134
DOIs
Publication statusPublished - 2020 Jun

Keywords

  • CO radical
  • Dosimetry
  • Electron paramagnetic resonance (EPR)
  • Electron spin resonance (ESR)
  • Wild Japanese macaque

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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