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

被引：310
|
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
收藏
页码：1039 / 1041
页数：3
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