Performance tests of a portable thyroid radioiodine meter  

作　　者：Zeshu Li Zhijie Yang Fei Tuo Shuo Wang Qianqian Zhou Juncheng Liang 

机构地区：[1]Key Laboratory of Radiological Protection and Nuclear Emergency,China CDC,National Institute for Radiological Protection,Chinese Centre for Disease Control and Prevention,Beijing 100088,China [2]National Institute of Metrology,Beijing 100029,China

出　　处：《Radiation Medicine and Protection》2024年第1期53-58,共6页放射医学与防护（英文）

摘　　要：Objective:To evaluate the effectiveness of a portable thyroid radioiodine meter in on-site monitoring to enhance the monitoring precision of radioiodine inhaled by nuclear medicine staff and patients.Methods:A portable thyroid radioiodine meter was developed to measure the 131I activity in the thyroid.Performance tests of the portable thyroid radioiodine meter were conducted using calibration sources and testing methodologies adhering to national metrological standards.Results:The thyroid radioiodine meter exhibited integral non-linearity,8-h measurement stability,measurement linearity,and an energy resolution of 0.42%,1.05%,1.56%,and 7.11%,respectively for ^(137)Cs at 661.66 keV.Additionally,its minimum detectable activity for ^(131)I at 364.49 keV was approximately 22 Bq(10 min).Conclusion:The developed thyroid radioiodine meter features elevated performance and great potential for application in nuclear medicine and monitoring of responses to nuclear or radiological emergencies.

关 键 词：Thyroid radioiodine meter Performance test Nuclear medicine Nuclear or radiological emergency 

分 类 号：O57[理学—粒子物理与原子核物理]