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A Rhodamine-based Hg2+ Sensor with High Selectivity and Sensitivity in Aqueous Solution: a NS2-containing Receptor

Overview
Journal J Org Chem
Specialty Chemistry
Date 2009 Feb 13
PMID 19209877
Citations 28
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Abstract

A rhodamine-based sensor 1 was designed and synthesized by incorporation the rhodamine fluorophore and ionophore NS(2) with high affinity to Hg(2+). Sensor 1 exhibits a high selectivity and an excellent sensitivity and is a dual-responsive colorimetric and fluorescent Hg(2+)-specific sensor in aqueous buffer solution. In addition, the 1:1 binding mode was proposed based on the (1)H NMR and ES(+)MS studies.

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