Journal Title
Title of Journal: J Biol Phys
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Abbravation: Journal of Biological Physics
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Publisher
Springer Netherlands
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Authors: Kunming Xu
Publish Date: 2009/04/09
Volume: 35, Issue: 3, Pages: 223-230
Abstract
A DNA molecule is characterized by a stepwise oscillatory circuit where every base pair is a capacitor every phosphate bridge is an inductance and every deoxyribose is a charge router The circuitry accounts for DNA conductivity through both short and long distances in good agreement with experimental evidence that has led to the identification of the socalled superexchange and multiplestep hopping mechanisms However in contrast to the haphazard hopping and superexchanging events the circuitry is a welldefined charge transport mechanism reflecting the great reliability of the genetic substance in delivering electrons Stepwise oscillatory charge transport through a nucleotide sequence that directly modulates the oscillation frequency may have significant biological implications
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