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Shishkina, E.A.* ; Tolstykh, E.I.* ; Verdi, E. ; Volchkova, A.Y.* ; Veronese, I.* ; El-Faramawy, N.A. ; Göksu, H.Y. ; Degteva, M.O.*

Concentrations of 90Sr in the tooth tissues 60 years after intake: Results of TL measurements and applications for Techa River dosimetry.

Radiat. Environ. Biophys. 53, 159-173 (2014)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
This article focuses on the study of (90)Sr in the tooth tissues of Techa riverside residents 60 years after intake. The Techa River was contaminated by radioactive wastes in the 1950s. Contamination of the river system, including water, bottom sediment, floodplain soil, and grass, depended on the distance from the source of releases. Therefore, the average (90)Sr intake was different in different settlements located downstream the river. An additional factor influencing (90)Sr accumulation in the teeth is the rate of tissue mineralization at the time of intake which depended on the donor's age at the time of releases. Measurements of (90)Sr concentration in various dental tissues (enamel, crown, and root dentin) of 166 teeth were performed about 60 years after the main intake using the method of thermoluminescence passive beta detection. The paper presents the current levels of tooth tissue contamination, and the tooth-to-tooth variability of (90)Sr concentration in tooth tissues was assessed for the tissues which were matured at the time of massive liquid radioactive waste releases into the Techa River. A model describing the expected levels of (90)Sr in matured dental tissues depending on age and intake has been elaborated for the population under study. The results obtained will be used for calculation of internal dose in enamel and for interpretation of tooth doses measured by means of the electron paramagnetic resonance method, among the population of the Techa River region.
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Publication type Article: Journal article
Document type Scientific Article
Keywords 90Sr; Dentin; Enamel; Intake; PTL; Teeth; Mayak-production-association; Electron-paramagnetic-resonance; Dose Reconstruction; Human Teeth; Enamel; Population; Dentin; Verification; Parameters; Detectors
Language english
Publication Year 2014
Prepublished in Year 2013
HGF-reported in Year 2013
ISSN (print) / ISBN 0301-634X
e-ISSN 1432-2099
Journal Radiation and Environmental Biophysics
Quellenangaben Volume: 53, Issue: 1, Pages: 159-173 Article Number: , Supplement: ,
Publisher Springer
Publishing Place New York
Reviewing status Peer reviewed
Institute(s) Institute of Radiation Protection (ISS)
POF-Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s) Radiation Sciences
PSP Element(s) G-501100-005
PubMed ID 24292426
DOI 10.1007/s00411-013-0501-x
WOS ID WOS:000331977300014
Scopus ID 84895929763
Erfassungsdatum 2013-12-06
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