Single-Molecule DNA Conductance in Water Solutions: Role of Explicit Water-counterion Sheath and Chemical Modification of Nucleobases

Title
Single-Molecule DNA Conductance in Water Solutions: Role of Explicit Water-counterion Sheath and Chemical Modification of Nucleobases
Authors
E. B. StarikovC. Nganou이규환G. CunibertiW. Wenzel
Keywords
DNA; counterion; hydration; charge transfer; chart transport
Issue Date
2009-06
Publisher
Biophysical Reviews and Letters
Citation
VOL 4, NO 3, 231-243
Abstract
Dependence of charge transmission through several conventional and extended DNA duplexes on the explicit presence of their water–counterion surrounding has been theoretically studied.We show here that: (a) the latter does not form specific charge transmission channels in addition to those available in DNA duplexes themselves; (b) chemically modifying DNA bases to extend their π-electronic systems does not significantly alter time-averaged charge transmission probability through DNA duplexes.
URI
http://pubs.kist.re.kr/handle/201004/36064
ISSN
1793-7035
Appears in Collections:
KIST Publication > Article
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