Recognition tunneling measurement of the conductance of DNA bases embedded in self-assembled monolayers.
Recognition tunneling measurement of the conductance of DNA bases embedded in self-assembled monolayers.
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DOI:
10.1021/jp104792s
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发表时间:
2010-12-09
影响因子:
3.7
通讯作者:
Lindsay, Stuart
中科院分区:
文献类型:
--
作者:
Huang, Shuo;Chang, Shuai;He, Jin;Zhang, Peiming;Liang, Feng;Tuchband, Michael;Li, Shengqing;Lindsay, Stuart
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 alkane-thiol 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.
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