放射防护剂1

放射防护剂

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fan罗he fanghu皿 放射防护剂‘RadioprotectiVe“gents 黄明欣中国人民解放军军事医学科学院 1.概述··········································……273 2.生物机体的放射损伤····················……274 2.1.分子水平的损伤···························……274 2.2.细胞水平的损伤···························……274 2.3.整体水平的损伤······················，····……274 3.放射防护剂的评价·························“:275 4.主要的放射防护荆···············“····”··”一275 4.1.含硫化合物·································……275 4.1.1.硫醇类·······································……275 4. 1.2.二硫化物····································……277 4.1.3.硫代硫酸醋和硫代磷酸醋··············……278 4.1.4.硫脉衍生物··..·····························……279 4.1.5.噬哇琳和噬吐烷························，··……280 4.1.6.硫辛酸及其衍生物························……280 4.2.含硒和金属元素化合物········”·······……281 43.雌激素和其它激素“······················……281 4.4.生物胺·······································……281 4.5.中草药和其它天然药物·················……282 4.6.其它放射防护剂···························……282 5.放射防护剂的作用原理···········~·····……282 5.L分子水平····································……282 5.1.1.清除自由基·································……282 5.1.2.氢转移···········，···························……282 5.1.3.混合二硫化物假说··。·……“··········，·……283 5.1.组.内源性非蛋白琉基化合物···············……283 5.2.生理一生化水平‘·内························……283 5.2.1.降低体温····································……283 5.2.2.减轻辐射氧效应···························……283 5.2.