Recognition of Mg2+ by a new fluorescent “turn-on” chemosensor based on pyridyl-hydrazono-coumarin
作者： Jessica Orrego-Hernández , Nelson Nuñez-Dallos , Jaime Portilla
DOI: 10.1016/J.TALANTA.2016.02.020
关键词:
摘要: A new fluoroionophore PyHC bearing 2-pyridylhydrazone and 7-hydroxycoumarin moieties for selective detection of Mg(2+) was synthesized characterized. This chemosensor exhibited "turn-on" fluorescence behavior sensitive to concentrations as low 105 nmol L(-1) in ethanol-water solution. Detailed spectroscopic studies revealed the binding mode a 1:1 complex between that leads enhancement.
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