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Comparison of sample preparation and signal evaluation methods for EPR analysis of tooth enamel

, : Comparison of sample preparation and signal evaluation methods for EPR analysis of tooth enamel. Applied Radiation and Isotopes 52(5): 1059-1064

In dose reconstruction by EPR dosimetry with teeth various methods are applied to prepare tooth enamel samples and to evaluate the dosimetric signal. A comparison of seven frequently used methods in EPR dosimetry with tooth enamel was performed. The participating Institutes have applied their own procedure to prepare tooth enamel samples and to evaluate the dosimetric signal. The precision of the EPR measurement and the dependence of the estimated dosimetric signal with irradiation up to 1000 mGy were compared. The obtained results are consistent among the different methods. The reproducibility of the dosimetric signal and its estimated relation with the absorbed dose was found to be very close for the applied methods with one possible exception.


PMID: 10836406

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