Decomposition of spectra in EPR dosimetry using the matrix method
Decomposition of spectra in EPR dosimetry using the matrix method
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DOI：
10.1016/s1350-4487(03)00013-1
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发表时间：
2003-08-01
影响因子：
2
通讯作者：
Chumak, VV
中科院分区：
文献类型：
--
作者：
Sholom, SV;Chumak, VV
发展了EPR谱分解的矩阵方法，并将其应用于牙齿EPR剂量回溯性测量。该方法利用矩阵代数的方法，将初始的EPR谱分解成几个特定于每种材料的参考分量(参考矩阵)，并以牙釉质为例进行了验证。参考光谱是一个空样品管的光谱和三个牙釉质的标准信号(两个在g=2.0045处，对于自然信号和一个在g(垂直)=2.0018，g(平行)=1.9973处用于剂量测量信号)。用该方法获得的剂量学信号值与通过手动操纵光谱获得的数据进行了比较，获得了良好的一致性。这使得所提出的方法可以有效地应用于常规的EPR剂量测定。(C)2003爱思唯尔科学有限公司。保留所有权利。
The matrix method of EPR spectra decomposition is developed and adapted for routine application in retrospective EPR dosimetry with teeth. According to this method, the initial EPR spectra are decomposed (using methods of matrix algebra) into several reference components (reference matrices) that are specific for each material.Proposed procedure has been tested on the example of tooth enamel. Reference spectra were a spectrum of an empty sample tube and three standard signals of enamel (two at g = 2.0045, both for the native signal and one at g(perpendicular to) = 2.0018, g(parallel to) = 1.9973 for the dosimetric signal).Values of dosimetric signals obtained using the given method have been compared with data obtained by manual manipulation of spectra, and good coincidence was observed. This allows considering the proposed method as potent for application in routine EPR dosimetry. (C) 2003 Elsevier Science Ltd. All rights reserved.