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Featured researches published by Chuzou Miyazawa.


Radiation Measurements | 2003

Gamma-ray dose response of ESR signals in tooth enamel of cows and mice in comparison with human teeth

Shin Toyoda; Honami Tanizawa; A. Romanyukha; Chuzou Miyazawa; Masaharu Hoshi; Yuji Ueda; Yumiko Nitta

The ESR dose responses of the tooth enamel samples prepared from teeth of cow and mice were examined in comparison with that of human. The samples were prepared with combined procedures of mechanical and chemical treatments of teeth. The ESR dose response was extracted from the total ESR spectra of tooth enamel samples by a specially developed matrix method. The dosimetric signal was found to be increased linearly with gamma dose for all studied tooth enamel samples. The radiation sensitivity of cow tooth enamel was found to be close to that of human teeth while that of mouse teeth was about 25% lower. The present results indicate that, having high radiation sensitivity, cow and mouse teeth can be used for retrospective radiation dosimetry in low-dose level.


Applied Radiation and Isotopes | 2005

The 3rd international intercomparison on EPR tooth dosimetry: Part 1, general analysis

A. Wieser; René Debuyst; P. Fattibene; A. Meghzifene; S. Onori; S.N. Bayankin; Bonnie A.B. Blackwell; A. Brik; A. Bugay; V. Chumak; B. Ciesielski; Masaharu Hoshi; H. Imata; Alexander Ivannikov; D. Ivanov; M. Junczewska; Chuzou Miyazawa; B. Pass; M. Penkowski; S. Pivovarov; A. Romanyukha; L. Romanyukha; David A. Schauer; O. Scherbina; K. Schultka; A. I. Shames; S. Sholom; A. Skinner; V.G. Skvortsov; V. F. Stepanenko


Radiation Measurements | 2011

The 4th international comparison on EPR dosimetry with tooth enamel Part 1: Report on the results

P. Fattibene; A. Wieser; Emelie Adolfsson; L.A. Benevides; Maria Brai; Freddy Callens; V. Chumak; B. Ciesielski; S. Della Monaca; K. Emerich; Håkan Gustafsson; Y. Hirai; Masaharu Hoshi; Axel Israelsson; Alexander Ivannikov; D. Ivanov; J. Kaminska; Wu Ke; Eva Lund; Maurizio Marrale; L. Martens; Chuzou Miyazawa; N. Nakamura; W. Panzer; S. Pivovarov; Ricardo A. Reyes; Mohd Rodzi; A. Romanyukha; A. Rukhin; S. Sholom


Journal of Radiation Research | 2006

Results of EPR Dosimetry for Population in the Vicinity of the Most Contaminating Radioactive Fallout Trace After the First Nuclear Test in the Semipalatinsk Test Site

Alexander Ivannikov; Kassym Zhumadilov; Eldana Tieliewuhan; Ling Jiao; Dinara Zharlyganova; Kazbek N. Apsalikov; Gulnara Berekenova; Zhaxybay Zhumadilov; Shin Toyoda; Chuzou Miyazawa; Valeriy Skvortsov; Valeriy Stepanenko; Satoru Endo; Kenichi Tanaka; Masaharu Hoshi


Journal of Radiation Research | 2006

Radiation Dose Estimation by Tooth Enamel EPR Dosimetry for Residents of Dolon and Bodene

Kassym Zhumadilov; Alexander Ivannikov; Kazbek N. Apsalikov; Zhaxybay Zhumadilov; Shin Toyoda; Dinara Zharlyganova; Eldana Tieliewuhan; Satoru Endo; Kenichi Tanaka; Chuzou Miyazawa; Tetsuji Okamoto; Masaharu Hoshi


Radiation Measurements | 2007

Results of tooth enamel EPR dosimetry for population living in the vicinity of the Semipalatinsk nuclear test site

Kassym Zhumadilov; Alexander Ivannikov; Kazbek N. Apsalikov; Zh. Zhumadilov; Dinara Zharlyganova; V. F. Stepanenko; V.G. Skvortsov; G. Berekenova; Shin Toyoda; Satoru Endo; Kimio Tanaka; Chuzou Miyazawa; Masaharu Hoshi


Applied Radiation and Isotopes | 2005

Comparison of three methods of numerical procedures for ESR dosimetry of human tooth enamel

Shin Toyoda; E. Tielewuhan; A. Romanyukha; Alexander Ivannikov; Chuzou Miyazawa; Masaharu Hoshi; H. Imata


Radiation Measurements | 2011

ESR measurements of background doses in teeth of Japanese residents

Shin Toyoda; A. Kondo; K. Zumadilov; Masaharu Hoshi; Chuzou Miyazawa; Alexander Ivannikov


Radiation Measurements | 2011

The influence of the Lop Nor Nuclear Weapons Test Base to the population of the Republic of Kazakhstan

Kassym Zhumadilov; Alexander Ivannikov; Dinara Zharlyganova; Valeriy Stepanenko; Zhaxybay Zhumadilov; Kazbek N. Apsalikov; Shin Toyoda; Satoru Endo; Kenichi Tanaka; Chuzou Miyazawa; Tetsuji Okamoto; Masaharu Hoshi


IPSHU English Research Report Series | 2012

Data of ESR dosimetry study of population in the vicinity of Semipalatinsk Nuclear Test Site

Kassym Zhumadilov; Alexander Ivannikov; Valeriy Stepanenko; Dinara Zharlyganova; Zhaxybay Zhumadilov; Kazbek N. Apsalikov; Shin Toyoda; Anara Zhumadilova; Satoru Endo; Kenichi Tanaka; Chuzou Miyazawa; Masayoshi Yamamoto; Tetsuji Okamoto; Masaharu Hoshi

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Shin Toyoda

Okayama University of Science

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Kenichi Tanaka

Sapporo Medical University

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