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Sequence Dependence of Electronic Transport in DNA

Antonio Rodriguez, Rudolf A. Roemer, Matthew S. Turner

cond-mat.softarXiv:cond-mat/0508720

Abstract

We study electronic transport in long DNA chains using the tight-binding approach for a ladder-like model of DNA. We find insulating behavior with localizaton lengths xi ~ 25 in units of average base-pair seperation. Furthermore, we observe small, but significant differences between lambda-DNA, centromeric DNA, promoter sequences as well as random-ATGC DNA.

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