低剂量放射超敏感性机制研究及临床应用现状
摘要
低剂量超敏感性(hypersensitivity,HRS),是指低剂量下(〈50cGy)射线所致细胞存活分数的下降程度较大,剂量再增大时(50-100cGy)则出现相对的放射抗拒(increased radiation resistance,IRR)的现象。研究者通过准确地测定低剂量照射时细胞存活,发现在低剂量照射下有些细胞存活与数学模型外推结果不符,而呈超敏感现象。
出处
《中华放射医学与防护杂志》
CAS
CSCD
北大核心
2012年第1期104-107,共4页
Chinese Journal of Radiological Medicine and Protection
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