Low Energy Electron Induced DNA Damage: Effects of Terminal

Low energy electrons (LEE) induce DNA damage by dissociative electron attachment, which involves base release (N-glycosidic bond (N−C) cleavage) and...
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Published on Web 04/04/2008

Low Energy Electron Induced DNA Damage: Effects of Terminal Phosphate and Base Moieties on the Distribution of Damage Zejun Li, Yi Zheng, Pierre Cloutier, Le´on Sanche, and J. Richard Wagner* Department of Nuclear Medicine and Radiobiology, Faculty of Medicine, UniVersite´ de Sherbrooke, Sherbrooke, Que´bec, Canada J1H 5N4 Received October 2, 2007; E-mail: [email protected]

The transfer of energy from ionizing radiation to molecules generates large quantities (∼105/MeV) of low energy electrons (LEE,