Single-Molecule DNA Conductance in Water Solutions: Role of Explicit Water-counterion Sheath and Chemical Modification of Nucleobases
- Single-Molecule DNA Conductance in Water Solutions: Role of Explicit Water-counterion Sheath and Chemical Modification of Nucleobases
- E. B. Starikov; C. Nganou; 이규환; G. Cuniberti; W. Wenzel
- DNA; counterion; hydration; charge transfer; chart transport
- Issue Date
- Biophysical Reviews and Letters
- VOL 4, NO 3, 231-243
- 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.
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