A ratiometric fluorescence sensor for Fe(3+) based on FRET and PET processes

Luminescence. 2016 Feb;31(1):16-21. doi: 10.1002/bio.2915. Epub 2015 Apr 14.

Abstract

A rhodamine/coumarin-based ratiometric fluorescent Fe(3+) sensor has been designed and synthesized. The sensor exhibits a good response to Fe(3+) ions with high sensitivity, selectivity and a large shift in the emission spectra (>100 nm), which shows Fe(3+) -induced FRET OFF-ON and PET ON-OFF behavior.

Keywords: FRET; Fe3+; rhodamine/coumarin; sensor.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Coumarins / chemistry*
  • Ferric Compounds / analysis*
  • Fluorescence Resonance Energy Transfer*
  • Fluorescent Dyes / chemical synthesis
  • Fluorescent Dyes / chemistry*
  • Molecular Structure
  • Positron-Emission Tomography*
  • Rhodamines / chemistry*

Substances

  • Coumarins
  • Ferric Compounds
  • Fluorescent Dyes
  • Rhodamines
  • coumarin