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Updated: Feb 5, 2026

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer
Published on: October 1, 2016
A coumarin based highly sensitive fluorescent chemosensor for selective detection of zinc ion
Mohammad Zareh Jonaghani1, Hassan Zali-Boeini1, Hassan Moradi1
1Department of Chemistry, University of Isfahan, 81746-73441 Isfahan, Iran.
Abstract:
A very effective and highly sensitive fluorescent chemosensor, based on 4-hydroxycoumarin skeleton substituted by benzothiazole moiety was synthesized and investigated for the detection of zinc ion. This chemosensor displays highly selective and sensitive fluorescence enhancement to Zn2+ over other metal ions examined in solution and in biological systems. The detection limit for the fluorescent chemosensor 1 toward Zn2+ was 3.58 × 10-8 M. A simple and efficient approach was improved for the synthesis of chemosensor 1 starting from 4-hydroxycoumarin.
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