Chemiluminescence biosensors for DNA detection using graphene oxide and a horseradish peroxidase-mimicking DNAzyme

Chem Commun (Camb). 2012 Jan 28;48(8):1126-8. doi: 10.1039/c2cc16868e. Epub 2011 Dec 14.

Abstract

In this communication, we demonstrate that graphene oxide (GO) greatly inhibits the peroxidatic activity of a horseradish peroxidase-mimicking DNAzyme. Combining this observation with the unique DNA/GO interactions, an ultrasensitive GO-based chemiluminescence DNA biosensing platform is developed.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biomimetic Materials / metabolism
  • Biosensing Techniques / methods*
  • DNA / analysis*
  • DNA / chemistry
  • DNA, Catalytic / metabolism*
  • Graphite / chemistry*
  • HIV
  • Horseradish Peroxidase / metabolism*
  • Luminescent Measurements / methods*
  • Models, Molecular
  • Molecular Conformation
  • Oligonucleotide Probes / chemistry
  • Oxides / chemistry*

Substances

  • DNA, Catalytic
  • Oligonucleotide Probes
  • Oxides
  • Graphite
  • DNA
  • Horseradish Peroxidase