电离辐射生物学作用的理化基础（二）
课程介绍
本节课主要介绍了电离辐射生物学效应中的直接作用与间接作用、水分子的电离和激发及由此产生的自由基、氧效应的概念及其发生机制、氧增强比（OER）及LET与OER之间的关系。其中氧效应的概念及其发生机制、氧增强比（OER）及LET与OER之间的关系是本节课的重点及难点。临床上采用分割放疗的方法治疗肿瘤即是基于氧效应的原理提出的。学员需要结合课件中的图表理解相关概念及关系。
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最新学员
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