Simple terpyridine based Cu(II)/Zn(II) complexes for the selective fluorescent detection of H2S in aqueous medium

被引：41

作者：

Kaushik, Rahul ^{[1
]}

Ghosh, Amrita ^{[1
]}

Jose, D. Amilan ^{[1
]}

机构：

[1] NIT Kurukshetra, Dept Chem, Kurukshetra 136119, Haryana, India

来源：

JOURNAL OF LUMINESCENCE | 2016年 / 171卷

关键词：

Hydrogen Sulfide; Terpyridine; Fluorescent probe; Molecular logic; Molecular sensing; HYDROGEN-SULFIDE DETECTION; LIVING CELLS; SEQUENTIAL DETECTION; ION RECOGNITION; PROBE; CHEMISTRY; POLYMER; SENSOR; COPPER; ZN2+;

D O I：

10.1016/j.jlumin.2015.10.005

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Simple 4'-phenyl-2,2':6',2 ''-terpyridine derived metal complexes (1.Cu and 1.Zn) are studied for selective detection of H2S, based on metal displacement approach. Probe 1.Cu exhibits turn-on and 1.Zn exhibits turn-off fluorescence detection of H2S both in aqueous buffer and biological medium. In the presence of H2S, fluorescent output signal turned ON or OFF by simply changing the metal from copper to zinc in terpyridine coordination center. The advantages of the probes include a low detection limit (2.2 mu M for I. Cu and 31 mu M for 1.Zn), fluorescent response, good selectivity, high sensitivity and fast response (45-60 s) and easy to synthesize the probe. Furthermore, the detection of H2S could be used for the construction of INHIBIT and NAND molecular logic gates based on the optical signal. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：112 / 117

页数：6

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