期刊
NANO LETTERS
卷 12, 期 6, 页码 2679-2684出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl2028969
关键词
Redox protein; STM; molecular electronics; molecular junctions; electrochemical gate; azurin transistor
类别
资金
- MICINN [PET0808]
- Generalitat de Catalunya [2009-SGR277]
Single protein junctions consisting of azurin bridged between a gold substrate and the probe of an electrochemical tunneling microscope (ECSTM) have been obtained by two independent methods that allowed statistical analysis over a large number of measured junctions. Conductance measurements yield (7.3 +/- 1.5) x 10(-6)G(0) in agreement with reported estimates using other techniques. Redox gating of the protein with an on/off ratio of 20 was demonstrated and constitutes a proof-of-principle of a single redox protein field-effect transistor.
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