A reversible ratiometric sensor for intracellular Cu2+ imaging: metal coordination-altered FRET in a dual fluorophore hybrid

Chem Commun (Camb). 2013 Sep 7;49(69):7632-4. doi: 10.1039/c3cc42959h. Epub 2013 Jul 22.

Abstract

ICT fluorophore benzoxadiazole with its electron-donating group modified as a Cu(2+) chelator was conjugated with coumarin to construct a new ratiometric sensor with reversible intracellular Cu(2+) imaging ability.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Benzoxazoles / chemistry
  • Coordination Complexes / chemistry*
  • Copper / analysis*
  • Fluorescence Resonance Energy Transfer*
  • Humans
  • Ions / chemistry
  • MCF-7 Cells
  • Methylamines / chemistry
  • Microscopy, Confocal*
  • Pyridines / chemistry

Substances

  • Benzoxazoles
  • Coordination Complexes
  • Ions
  • Methylamines
  • Pyridines
  • bis(2-pyridyl)methylamine
  • Copper