通过中子活化分析改进肾脏中镉的体内测量方法。
Improvements to the in vivo measurement of cadmium in the kidney by neutron activation analysis.
作者信息
McNeill F E, Chettle D R
机构信息
Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada.
出版信息
Appl Radiat Isot. 1998 May-Jun;49(5-6):699-700. doi: 10.1016/s0969-8043(97)00271-6.
The McMaster University in vivo cadmium measurement system has been upgraded. Two large surface area hyperpure germanium planar detectors (51 mm diameter x 21 mm depth) are now employed for the detection of the 559 keV gamma-ray signal from cadmium. Phantom studies indicate that the new detectors have significantly improved the system. The detection limit in kidney phantoms has been reduced from 8.9 to 3.8 mg for the same dose and measurement time.
麦克马斯特大学的体内镉测量系统已升级。现在采用两个大表面积超纯锗平面探测器（直径51毫米×深度21毫米）来探测来自镉的559千电子伏特伽马射线信号。体模研究表明，新探测器显著改进了该系统。在相同剂量和测量时间下，肾脏体模中的检测限已从8.9毫克降至3.8毫克。
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