Multifrequency electron paramagnetic resonance study on deproteinized human bone |
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Authors: | Strzelczak Grazyna Sadło Jarosław Danilczuk Marek Stachowicz Wacław Callens Freddy Vanhaelewyn Gauthier Goovaerts Etienne Michalik Jacek |
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Institution: | Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland. grazyna@orange.ichtj.waw.pl |
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Abstract: | Irradiated samples of deproteinized powdered human bone (femur) have been examined by electron paramagnetic resonance (EPR) spectroscopy in X, Q and W bands. In the bone powder sample only one type of CO2- radical ion is stabilized in the hydroxyapatite structure in contrast to powdered human tooth enamel, a material also containing hydroxyapatite, widely used for EPR dosimetry and in which a few radicals are stable at room temperature. It is suggested that the use of deproteinized bone for EPR dosimetry could improve the accuracy of dose determination. |
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Keywords: | EPR at X Q W band Bone Irradiation |
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