A label-free ratiometric electrochemical DNA sensor for monitoring intracellular redox homeostasis

Chem Commun (Camb). 2017 Jun 6;53(46):6215-6218. doi: 10.1039/c7cc03239k.

Abstract

A label-free ratiometric electrochemical biosensor was constructed for monitoring intracellular redox homeostasis by DNA metallization-mediated hybridization chain reaction amplification. This platform could also be used to discriminate cancer cells and normal cells.

MeSH terms

  • A549 Cells
  • Animals
  • Biosensing Techniques
  • DNA / analysis
  • DNA / metabolism*
  • Electrochemical Techniques
  • Glutathione / chemistry
  • Glutathione / metabolism
  • HeLa Cells
  • Humans
  • Metal Nanoparticles / chemistry
  • Mice
  • NIH 3T3 Cells
  • Nucleic Acid Amplification Techniques
  • Nucleic Acid Hybridization
  • Oxidation-Reduction
  • Silver / chemistry

Substances

  • Silver
  • DNA
  • Glutathione