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开始束流性能测试和细胞辐照试验

2017-08-07 10:03:38   中国青年网

兰州晚报讯(记者何燕)近日,中国科学院近代物理研究所和兰州科近泰基新技术有限责任公司的专家,对武威重离子医院的医用重离子加速器示范装置进行了束流性能测试和细胞辐照试验。

束流性能测试的内容包括装置所有标称能量的深度剂量分布、照射野均整度和对称性、剂量响应线性等;细胞辐照试验进行了三株非小细胞肺癌细胞系以细胞存活为生物学终点的剂量效应关系。测试结果表明:示范装置所有五个标称能量碳离子束流经扫描后形成10cm×10cm照射野的均整度及对称性均达到规定的性能指标。细胞试验具有重要意义,将会得到碳离子的相对生物学效应(RBE)值,为验证示范装置中碳离子放射治疗计划系统的这一数据提供基础数据。

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