Fabrication of a highly sensitive sensor electrode using a nano-gapped gold particle film |
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| Affiliation: | 1. Department of Pharmaceutical and Toxicological Chemistry Named after Arzamastsev of the Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia;2. Department of Rural Clinical Sciences, La Trobe University, Bendigo, Australia |
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| Abstract: | Controlling a gap between electrodes arranged in nanometer size has a great potential for a highly sensitive detection. We have successfully fabricated a sensor based on a nano-gapped gold particle film consisting of gold nanoparticle–alkylchain–gold nanoparticle repeated sequences in a straightforward manner. Here we report on its application to direct DNA analysis, enabling us to read out a specific complementary DNA through electronic protocols. |
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