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158. 


Single-molecule DNA conductance in water solutions: Role of explicit water-counterion sheath and chemical modification of nucleobases



E. B. Starikow, C. Nganou, K. H. Lee, G. Cuniberti, W. Wenzel

Biophysical Reviews and Letters 4, 231 (2009)

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 -electronic systems does not significantly alter time-averaged charge transmission probability through DNA duplexes.



online .pdf paper (for personal use only)online .pdf paper (for personal use only)
doi absolute link10.1142/S1793048009001046
publisher site (ISSN:1793-7035)
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