Comparative studies on the CO2¯ signal in tooth enamel and carbonates

DL Hoffmann, A Mangini

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)

Abstract

Systematic studies are made on the CO2- signal in tooth enamel to improve the calculation of the absorbed dose D-E. They consist of experiments oil the effect of heating on the CO2- signal and the examination of the long-term development of the signals after irradiation and after heating experiments. Oil Suitable teeth both single- and multiple-aliquot methods were used to calculate an absorbed dose D-E. The peak to peak intensity of the CO2- signal shows ail enhancement within 3 days of irradiation. Furthermore a transient increase in the signal intensity after heating tooth enamel at 120degreesC is observed, which mostly fades within 10-20 days. After artificial irradiation it is necessary to wait at least 3 days before electron spin resonance (ESR) measurements can be done. Differences in signal growth curves obtained using, various protocols, for example single- or multiple-aliquot methods with and without heating after irradiation. are presented. Results for tooth enamel are compared with analogous experiments on the CO2- signal in carbonates.
Translated title of the contributionComparative studies on the CO2¯ signal in tooth enamel and carbonates
Original languageEnglish
Pages (from-to)359 - 362
Number of pages4
JournalRadiation Protection Dosimetry
Volume101
Publication statusPublished - 2002

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