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Open Access Green as soon as Postprint is submitted to ZB.
Parameters affecting EPR dose reconstruction in teeth.
Appl. Radiat. Isot. 62, 147-154 (2005)
The aim of this paper is to analyze the lower limit of detection (LLD), linearity of dose response, variation of radiation sensitivity between different tooth enamel samples, and time/temperature stability of EPR biodosimetry in tooth enamel. The theoretical LLD is shown to be 0.46 mGy, which is far lower than the measured value of about 30 mGy. The main issues to lowering LLD are the differentiation of the radiation-induced component against the total EPR spectrum and the complex nature of the dose dependence of the EPR signal. The following questions are also discussed in detail: need for exfoliated or extracted teeth from persons of interest, accounting for background radiation contribution; conversion of tooth enamel absorbed dose to effective dose; accounting for internal exposure specifically from bone-seeking radionuclides. Conclusions on future development of EPR retrospective biodosimetry are made.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
tooth enamel; EPR dosimetry; radiation dose reconstruction; limits of method; dose response linearity
ISSN (print) / ISBN
0969-8043
e-ISSN
1872-9800
Journal
Applied Radiation and Isotopes
Quellenangaben
Volume: 62,
Issue: 2,
Pages: 147-154
Publisher
Elsevier
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)