An enzyme-free and amplified colorimetric detection strategy: assembly of gold nanoparticles through target-catalytic circuits

Analyst. 2015 Feb 21;140(4):1004-7. doi: 10.1039/c4an02060j.

Abstract

Herein we introduce an enzyme-free and amplified colorimetric detection strategy, which is based on gold nanoparticle (AuNP) aggregation through target-catalytic DNA circuits (HCR and CHA).

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biosensing Techniques
  • Colorimetry
  • DNA / analysis*
  • Gold / chemistry*
  • Metal Nanoparticles / chemistry*
  • Nucleic Acid Hybridization

Substances

  • Gold
  • DNA