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- Title
Estimation of external dose for wild Japanese macaques captured in Fukushima prefecture: decomposition of electron spin resonance spectrum.
- Authors
Mitsuyasu, Yusuke; Oka, Toshitaka; Takahashi, Atsushi; Kino, Yasushi; Okutsu, Kenichi; Sekine, Tsutomu; Yamashita, Takuma; Shimizu, Yoshinaka; Chiba, Mirei; Suzuki, Toshihiko; Osaka, Ken; Sasaki, Keiichi; Suzuki, Masatoshi; Fukumoto, Manabu; Shinoda, Hisashi
- Abstract
The signal intensities of CO2− radicals in teeth can be utilised as an individual indicator of the cumulative external dose for animals. To accurately determine the external dose, it is desirable to analyse the CO2− radical intensity and improve its detection limit. We recently reported a dose–response in the range of 0–200 mGy and estimated the absorbed dose for seven wild Japanese macaques captured in/around the related areas to the Fukushima Daiichi Nuclear Power Plant accident. Herein, for further improvement of this method, we examined the electron spin resonance spectra of the teeth of these seven and an additional four macaques captured in Fukushima by applying two spectrum-decomposition algorithms.
- Subjects
FUKUSHIMA-shi (Japan); ELECTRON paramagnetic resonance; JAPANESE macaque; MACAQUES; FUKUSHIMA Daiichi Nuclear Power Plant (Japan); CESIUM isotopes; NUCLEAR power plant accidents; ABSORBED dose; DETECTION limit
- Publication
Radiation Protection Dosimetry, 2023, Vol 199, Issue 14, p1620
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/ncad146