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1. Effects of molecular motion on charge transfer/transport through DNA duplexes with and without base pair mismatch.

Author

Starikov, E. B., Fujita, T., Watanabe, H., Sengokuk, Y., Tanaka, S., and Wenzel, W.

Subjects
*MOLECULAR dynamics, *DNA, *CONDUCTION electrons, *CHARGE transfer, *FLUCTUATIONS (Physics), *BALLISTICS
Abstract

We investigate the influence of molecular motion on DNA conductance and charge transfer in the ballistic transport regime. We evaluate the conductance/charge transfer properties for ensembles of conformations representative of the molecular fluctuations in an explicit all-atom representation. We generate such ensembles by classical molecular dynamics (MD) and investigate the influence of conformational change on the charge transfer properties of the system. Using this approach, we can qualitatively explain the influence of base-pair mismatches on DNA electrical properties. [ABSTRACT FROM AUTHOR]

Published
2006
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