4.7 Article

Label-free electrochemical impedance sensing of DNA hybridization based on functionalized graphene sheets

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 6, Pages 1743-1745

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc04514d

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Funding

  1. NSFC, China [20673109, 20827004]
  2. Chinese Academy of Sciences [KGCX2-YW-231, YZ200906]

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Negative-charge change and conformation transition upon DNA immobilization and hybridization on functionalized graphene sheets were monitored by the EIS technique and adopted as the signal for label-free electrochemical DNA hybridization detection.

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