FLEXIBLE, WIRELESS, INDUCTIVELY COUPLED SURFACE COIL RESONATOR FOR EPR TOOTH DOSIMETRY
FLEXIBLE, WIRELESS, INDUCTIVELY COUPLED SURFACE COIL RESONATOR FOR EPR TOOTH DOSIMETRY
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DOI：
10.1093/rpd/ncw153
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发表时间：
2016-12-01
影响因子：
1
通讯作者：
Swartz, Harold M.
中科院分区：
文献类型：
--
作者：
Schreiber, Wilson;Petryakov, Sergey V.;Swartz, Harold M.
在发生灾难性事件后，大量人员可能受到危及生命剂量的电离辐射，在这种情况下管理辐射损伤，依赖于生物剂量测定的可用性，以评估是否需要对个人进行分类护理。电子顺磁共振（EPR）牙齿剂量测定是一种可行的方法，以准确估计电离辐射量的个人已经暴露。在预期的测量条件和场景中，测量过程必须快速、直接，并在预期的测量条件下为个人提供有意义和准确的剂量估计。用于牙齿剂量测定的常规L波段EPR光谱仪的感测组件通常由刚性地物理附接到耦合器的表面线圈谐振器组成。这种设计可能导致繁琐的操作、可能被测量的牙齿几何形状的限制，并阻碍剂量计的整体效用。一种新型的表面线圈谐振器已开发用于目前现有的L波段（1.15 GHz）EPR牙齿剂量计的预期用途作为一个点的护理设备由最低限度的培训操作员。该谐振器开发为剂量计提供了进一步的实用性，并增加了剂量计在预期使用场景中由非专业操作员使用的可用性。
Managing radiation injuries following a catastrophic event where large numbers of people may have been exposed to life-threatening doses of ionizing radiation relies on the availability of biodosimetry to assess whether individuals need to be triaged for care. Electron Paramagnetic Resonance (EPR) tooth dosimetry is a viable method to accurately estimate the amount of ionizing radiation to which an individual has been exposed. In the intended measurement conditions and scenario, it is essential that the measurement process be fast, straightforward and provides meaningful and accurate dose estimations for individuals in the expected measurement conditions. The sensing component of a conventional L-band EPR spectrometer used for tooth dosimetry typically consists of a surface coil resonator that is rigidly, physically attached to the coupler. This design can result in cumbersome operation, limitations in teeth geometries that may be measured and hinder the overall utility of the dosimeter. A novel surface coil resonator has been developed for the currently existing L-band (1.15 GHz) EPR tooth dosimeter for the intended use as a point of care device by minimally trained operators. This resonator development provides further utility to the dosimeter, and increases the usability of the dosimeter by non-expert operators in the intended use scenario.