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El-Faramawy, N.A.* ; El-Somany, I.* ; Mansour, A.* ; Maghraby, A.M.* ; Eissa, H.* ; Wieser, A.

Camel molar tooth enamel response to gamma rays using EPR spectroscopy.

Radiat. Environ. Biophys. 57, 63-68 (2018)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
Tooth enamel samples from molar teeth of camel were prepared using a combined procedure of mechanical and chemical tooth treatment. Based on electron paramagnetic resonance (EPR) spectroscopy, the dose response of tooth enamel samples was examined and compared to that of human enamel. The EPR dose response of the tooth enamel samples was obtained through irradiation to gamma doses from 1 Gy up to 100 kGy. It was found that the radiation-induced EPR signal increased linearly with gamma dose for all studied tooth enamel samples, up to about 15 kGy. At higher doses, the dose response curve leveled off. The results revealed that the location of the native signal of camel tooth enamel was similar to that of enamel from human molars at 2.00644, but different from that of enamel from cows and goats. In addition, the peak-to-peak width (Delta H (pp)) for human and camel molar teeth was similar. It was also found that the response of camel enamel to gamma radiation was 36% lower than that of human enamel. In conclusion, the results indicate the suitability of camel teeth for retrospective gamma dosimetry.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Epr Dosimetry ; Camel ; Gamma Ray Sensitivity ; Retrospective Dosimetry; Electron-paramagnetic-resonance; Dose Reconstruction; Human Teeth; Part 1; Dosimetry; Sensitivity; Spectra; Signals; Cows
Language english
Publication Year 2018
Prepublished in Year 2017
HGF-reported in Year 2017
ISSN (print) / ISBN 0301-634X
e-ISSN 1432-2099
Journal Radiation and Environmental Biophysics
Quellenangaben Volume: 57, Issue: 1, Pages: 63-68 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
DOI 10.1007/s00411-017-0718-1
WOS ID WOS:000425287100007
Scopus ID 85031396100
PubMed ID 29027002
Erfassungsdatum 2017-10-17
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