Integration of two different sensing modes in an electrochemical DNA sensor for approximation of target mismatch location

Weiwei Yang, Rebecca Y. Lai

Research output: Contribution to journalArticle

16 Scopus citations


We report for the first time an electrochemical DNA sensor that utilizes two different electroactive signaling species, methylene blue and ferrocene, simultaneously, functioning as "signal-off" and "signal-on" probes, respectively, for approximation of the mismatch location on the target DNA.

Original languageEnglish (US)
Pages (from-to)989-992
Number of pages4
JournalElectrochemistry Communications
Issue number9
Publication statusPublished - Sep 1 2011



  • Dual label
  • Electrochemical DNA sensor
  • Ferrocene
  • Methylene blue
  • Mismatch location

ASJC Scopus subject areas

  • Electrochemistry

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