A K(+)-mediated G-quadruplex formation enhancement fluorescence polarization system based on quantum dots for detection of Hg2+ and biothiols

Chem Commun (Camb). 2014 Feb 25;50(16):2049-51. doi: 10.1039/c3cc49424a.

Abstract

A fluorescence polarization homogenous system based on CdTe/CdS QDs that employed a K(+)-mediated G-quadruplex as an enhancer was identified for sensitive and selective detection of Hg(2+) and biothiols in complex samples.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Cadmium Compounds / chemistry*
  • Fluorescence Polarization*
  • G-Quadruplexes*
  • Mercury / analysis*
  • Potassium / chemistry*
  • Quantum Dots*
  • Sulfhydryl Compounds / analysis*
  • Sulfides / chemistry*
  • Tellurium / chemistry*

Substances

  • Cadmium Compounds
  • Sulfhydryl Compounds
  • Sulfides
  • cadmium sulfide
  • Mercury
  • Tellurium
  • Potassium
  • cadmium telluride