A differentially selective sensor with fluorescence turn-on response to Zn2+ and dual-mode ratiometric response to Al3+ in aqueous media

被引：313

作者：

Maity, Debabrata ^{[1
]}

Govindaraju, T. ^{[1
]}

机构：

[1] Jawaharlal Nehru Ctr Adv Sci Res, New Chem Unit, Bioorgan Chem Lab, Bangalore 560064, Karnataka, India

来源：

CHEMICAL COMMUNICATIONS | 2012年 / 48卷 / 07期

关键词：

COORDINATION; CHEMOSENSORS; COUMARIN; ALUMINUM; ZINC;

D O I：

10.1039/c1cc16064h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel quinoline-coumarin (QC) fluoroionophore conjugated by means of a triazolyl-pyrrolidinyl linker exhibits differential dual selectivity for Zn2+ and Al3+ in mixed media. QC acts as a turn on fluorescence sensor for Zn2+ while exhibiting overall ratiometric selectivity for Al3+ in aqueous media. Moreover, QC exhibited preferential second mode of selectivity for Al3+ as it ratiometrically displaces Zn2+ from the [QC + Zn2+] complex.

引用

页码：1039 / 1041

页数：3

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