Quantitative SERS-based DNA detection assisted by magnetic microspheres

Chem Commun (Camb). 2015 Oct 25;51(83):15284-6. doi: 10.1039/c5cc06571b. Epub 2015 Sep 3.

Abstract

We report a quantitative SERS measurement scheme based on the magnetic microsphere-Ag nanoparticles to detect target DNA. The quantitative SERS measurements can quantify the target DNA concentration down to 10 nM.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • DNA / analysis*
  • Magnets*
  • Metal Nanoparticles / chemistry*
  • Microspheres*
  • Particle Size
  • Silver / chemistry*
  • Spectrum Analysis, Raman
  • Surface Properties

Substances

  • Silver
  • DNA