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.
Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea.
Appl Radiat Isot. 2021 Feb;168:109492. doi: 10.1016/j.apradiso.2020.109492. Epub 2020 Oct 24.
Determination of the I activity in the thyroid of exposed people or workers is one of the major concerns that needs to be addressed following a nuclear or radiological emergency. International intercomparison exercises on bioassay measurements are one of the effective methods to improve the capability and quality of internal dose assessment. In 2017, Working Group 1 (Internal Dosimetry) of the Asian Radiation Dosimetry Group (ARADOS) organized an intercomparison exercise on the thyroid measurement, aiming at enhancing and coordinating the radiation dosimetry capabilities of Asian countries. This paper describes the measurement experience and results of In Vivo Monitoring Laboratory of NIRP in the 2017 intercomparison exercise, which can provide technical reference for laboratories that have not yet participated in such thyroid measurement intercomparsion. It covers technical aspects such as calibration, measurement and data processing. The results presented in this intercomparison are within an acceptable range of performance criteria on the bioassay measurements. In addition, further research work considered in the field of thyroid measurement is described in the discussion section.
测定暴露人群或工作人员甲状腺中的碘-131 活度是核或放射性紧急情况后需要解决的主要问题之一。生物检测测量的国际比对活动是提高内部剂量评估能力和质量的有效方法之一。2017 年，亚洲辐射剂量学组（ARADOS）第 1 工作组（内部剂量学）组织了一次甲状腺测量比对活动，旨在加强和协调亚洲国家的辐射剂量学能力。本文介绍了 NIRP 体内监测实验室在 2017 年比对活动中的测量经验和结果，可为尚未参加此类甲状腺测量比对的实验室提供技术参考。它涵盖了校准、测量和数据处理等技术方面。本次比对中呈现的结果在生物检测测量的性能标准可接受范围内。此外，在讨论部分还描述了甲状腺测量领域中考虑的进一步研究工作。
