Low-energy electron-induced oxygen fixation to DNA SAMs studied by stimulated anion desorption

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Abstract

Reactions of 18O2 with self-assembled monolayer films of thiolated DNA oligomers are studied by the electron stimulated desorption of anions. Electrons with energies < 20 eV initiate dehydrogenation of the DNA by resonant and non-resonant processes, to form radical sites for oxygenation. This damage mechanism may underlie the oxygen fixation process of radiobiology. © Published under licence by IOP Publishing Ltd.

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Massey, S., Mirsaleh-Kohan, N., Zheng, Y., Bass, A. D., & Sanche, L. (2014). Low-energy electron-induced oxygen fixation to DNA SAMs studied by stimulated anion desorption. In Journal of Physics: Conference Series (Vol. 488). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/488/5/052029

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