Highly sensitive and selective detection of miRNA: DNase I-assisted target recycling using DNA probes protected by polydopamine nanospheres

Chem Commun (Camb). 2015 Feb 7;51(11):2156-8. doi: 10.1039/c4cc08912j. Epub 2015 Jan 2.

Abstract

Based on the protective properties of polydopamine nanospheres for DNA probes against nuclease digestion, we have developed a DNase I-assisted target recycling signal amplification method for highly sensitive and selective detection of miRNA.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biosensing Techniques / methods*
  • Cell Line, Tumor
  • DNA Probes / chemistry*
  • DNA Probes / genetics
  • Deoxyribonuclease I / metabolism*
  • Drug Carriers / chemistry
  • Humans
  • Indoles / chemistry*
  • Limit of Detection*
  • MicroRNAs / genetics
  • MicroRNAs / metabolism*
  • Models, Molecular
  • Nanospheres / chemistry*
  • Nucleic Acid Amplification Techniques
  • Nucleic Acid Conformation
  • Polymers / chemistry*

Substances

  • DNA Probes
  • Drug Carriers
  • Indoles
  • MicroRNAs
  • Polymers
  • polydopamine
  • Deoxyribonuclease I