Monte Carlo simulation of physicochemical processes of liquid water radiolysis - The effects of dissolved oxygen and OH scavenger

被引:90
|
作者
Tomita, H
Kai, M
Kusama, T
Ito, A
机构
[1] UNIV TOKYO, FAC MED, DEPT RADIOL HLTH, BUNKYO KU, TOKYO 113, JAPAN
[2] INST CANC RES, DEPT PHYS, TOSHIMA KU, TOKYO 170, JAPAN
关键词
D O I
10.1007/s004110050061
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The paper describes developments of the physicochemical part of a computer code system that estimates DNA strand break induction on plasmid pBR322 DNA. In order to test the reliability of the model, we evaluated the dielectric function and the time-dependent yield of chemical species in the presence of OH radical scavenger or dissolved oxygen. Results agree with measurements on the radiolysis of liquid water. When a hybrid model of a liquid inelastic cross-section and a vapour elastic cross-section is used, energy deposition by vibrational excitations is estimated to be approximately 11% of total energy deposition.
引用
收藏
页码:105 / 116
页数:12
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