An improved G-quadruplex DNAzyme for dual-functional electrochemical biosensing of adenosines and hydrogen peroxide from cancer cells

Chem Commun (Camb). 2014 Feb 7;50(10):1178-80. doi: 10.1039/c3cc48356h.

Abstract

A dual-functional electrochemical biosensor for adenosines and hydrogen peroxide from cancer cells was developed based on a traditional switchable electrochemical sensing format and ATP improved G-quadruplex DNAzyme as a biolabel.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adenosine / analysis
  • Adenosine Triphosphate / analysis*
  • Biosensing Techniques / instrumentation*
  • Biosensing Techniques / trends
  • Cell Line, Tumor
  • DNA, Catalytic / chemistry*
  • Electrochemistry
  • G-Quadruplexes*
  • Humans
  • Hydrogen Peroxide / analysis*
  • K562 Cells

Substances

  • DNA, Catalytic
  • Adenosine Triphosphate
  • Hydrogen Peroxide
  • Adenosine