2011
DOI: 10.1016/j.radmeas.2011.04.004
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EPR measurements of fingernails in Q-band

Abstract: a b s t r a c tResults of a feasibility study for the use of the Q-band EPR measurements of fingernails are presented. Details of the first protocol developed for Q-band (34 GHz) EPR dose measurements in fingernails and preliminary results of a dosimetry study in comparison with the commonly-used X-band (9 GHz) are reported. It was found that 1e5 mg sample mass was sufficient for EPR measurements in fingernails in the Q-band, which is significantly less than the 15e30 mg needed for the X-band. This finding mak… Show more

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Cited by 19 publications
(7 citation statements)
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“…18 . Similar results were reported in Romanyukha et al ( 2011 ). Based on the spectrum shown in Fig.…”
Section: Resultssupporting
confidence: 92%
See 1 more Smart Citation
“…18 . Similar results were reported in Romanyukha et al ( 2011 ). Based on the spectrum shown in Fig.…”
Section: Resultssupporting
confidence: 92%
“…The X-band (~9.7 GHz) is the frequency commonly used in dosimetry applications, whereas the Q-band (~34 GHz) was only recently proposed for dosimetry application, with only very few application cases (Romanyukha et al 2007b ; De et al 2013 ). The advantages of using the Q-band for nails and calcified tissues (enamel and bones) are the higher sensitivity achieved compared to using the X-band for small mass samples (<10 mg) and the better spectral resolution for these materials (Romanyukha et al 2011 ).…”
Section: Methodsmentioning
confidence: 99%
“…Due to these drawbacks, the number of ESR dosimetry/dating applications involving Q-band spectroscopy has actually been quite limited over the last decade. In the field of retrospective dosimetry, the first paper related to Q-band ESR was published by Romanyukha in 2007 [ 12 ] and only a few studies have been conducted until now, mostly involving modern tooth enamel [ 13 , 14 ] and fingernails [ 16 18 ]. Regarding fossil tooth enamel, most of the published works are based on qualitative studies of the nature and composition of the ESR signals associated to hydroxyapatite [ 11 , 15 , 19 21 ].…”
Section: Introductionmentioning
confidence: 99%
“…In addition, there are recent studies that seek to determine the optimum EPR frequency (e.g. X-band vs. Qband (16,17) , microwave power, etc., for ascertaining the radiation dose). The purpose of this study is solely to compare two EPR data acquisition methods, conventional continuous wave (CW) and the newly developed rapid scan method (18) , for irradiated clipped fingernail samples.…”
Section: Introductionmentioning
confidence: 99%