Recognition tunneling measurement of the conductance of DNA bases embedded in self-assembled monolayers

Shuo Huang, Shuai Chang, Jin He, Peiming Zhang, Feng Liang, Michael Tuchband, Shengqing Li, Stuart Lindsay

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The DNA bases interact strongly with gold electrodes, complicating efforts to measure the tunneling conductance through hydrogen-bonded Watson-Crick base pairs. When bases are embedded in a self-assembled alkanethiol monolayer to minimize these interactions, new features appear in the tunneling data. These new features track the predictions of density functional calculations quite well, suggesting that they reflect tunnel conductance through hydrogen-bonded base pairs.

Original languageEnglish (US)
Pages (from-to)20443-20448
Number of pages6
JournalJournal of Physical Chemistry C
Volume114
Issue number48
DOIs
StatePublished - Dec 9 2010

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Self assembled monolayers
Hydrogen
DNA
deoxyribonucleic acid
Gold
Density functional theory
Tunnels
hydrogen
Electrodes
tunnels
gold
electrodes
predictions
interactions

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Recognition tunneling measurement of the conductance of DNA bases embedded in self-assembled monolayers. / Huang, Shuo; Chang, Shuai; He, Jin; Zhang, Peiming; Liang, Feng; Tuchband, Michael; Li, Shengqing; Lindsay, Stuart.

In: Journal of Physical Chemistry C, Vol. 114, No. 48, 09.12.2010, p. 20443-20448.

Research output: Contribution to journalArticle

Huang, Shuo ; Chang, Shuai ; He, Jin ; Zhang, Peiming ; Liang, Feng ; Tuchband, Michael ; Li, Shengqing ; Lindsay, Stuart. / Recognition tunneling measurement of the conductance of DNA bases embedded in self-assembled monolayers. In: Journal of Physical Chemistry C. 2010 ; Vol. 114, No. 48. pp. 20443-20448.
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