It has been reported that damage of genome in a living cell by ionizing radiation is about one-third direct and two-thirds indirect. The former which has been introduced in our last paper, concerns direct energy deposition and ionizing reactions in the biomolecules; the latter results from radiation induced reactive species (mainly radicals) in the medium (mainly water) surrounding the biomolecules. In this review, a short description of ion implantation induced radical formation in water is presented. Then we summarize the aqueous radical reaction chemistry of DNA, protein and their components, followed by a brief introduction of biomolecular damage induced by secondary particles (ions and electron). Some downstream biological effects are also discussed.
@article{arxiv.1004.4394,
title = {Ion irradiation and biomolecular radiation damage II. Indirect effect},
author = {Wei Wang and Zengliang Yu and Wenhui Su},
journal= {arXiv preprint arXiv:1004.4394},
year = {2010}
}