Petin V G, Komarov V P
Radiat Environ Biophys. 1982;20(2):79-87. doi: 10.1007/BF01323929.
A simple theoretical model is proposed for estimating the differential contribution of ionization and excitation to the lethal effect of ionizing radiation. Numerical results were obtained on the basis of published experimental data on the ability of bacterial cells Escherichia coli to undergo photoreactivation of radiation-induced damage. It was shown that inactivation by excitation may be highly significant for UV-hypersensitive cells capable of photoreactivation; inactivation by excitation increased with the energy of ionizing radiation and the volume of irradiated suspensions. The data are in qualitative agreement with the assumption of a possible contribution of the UV-component of Cerenkov radiation to the formation of excitations responsible for the lethal effect and the phenomenon of photoreactivation after ionizing radiation. Some predictions from the model are discussed.
提出了一个简单的理论模型，用于估计电离和激发对电离辐射致死效应的差异贡献。基于已发表的关于大肠杆菌细菌细胞对辐射诱导损伤进行光复活能力的实验数据，获得了数值结果。结果表明，对于能够进行光复活的紫外线敏感细胞，激发导致的失活可能非常显著；激发导致的失活随着电离辐射能量和辐照悬浮液体积的增加而增加。这些数据与切伦科夫辐射的紫外线成分可能对导致致死效应的激发形成以及电离辐射后光复活现象有贡献的假设在定性上是一致的。讨论了该模型的一些预测。
