Identifying single nucleotides by tunnelling current

書誌事項

公開日
2010-03-21
権利情報
  • http://www.springer.com/tdm
DOI
  • 10.1038/nnano.2010.42
公開者
Springer Science and Business Media LLC

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説明

A major goal in medical research is to develop a DNA sequencing technique that is capable of reading an entire human genome at low cost. Recently, it was proposed that DNA sequencing could be performed by measuring the electron transport properties of the individual nucleotides in a DNA molecule. Here, we report electrical detection of single nucleotides using two configurable nanoelectrodes and show that electron transport through single nucleotides occurs by tunnelling. We also demonstrate statistical identification of the nucleotides based on their electrical conductivity, thereby providing an experimental basis for a DNA sequencing technology based on measurements of electron transport.

収録刊行物

  • Nature Nanotechnology

    Nature Nanotechnology 5 (4), 286-290, 2010-03-21

    Springer Science and Business Media LLC

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