Hydrazine bridged coumarin-pyrimidine conjugate as a highly selective and sensitive Zn2+ sensor: Spectroscopic unraveling of sensing mechanism with practical application

被引：21

作者：

Bhattacharyya, Arghyadeep ^{[1
]}

Ghosh, Soumen ^{[1
]}

Makhal, Subhash Chandra ^{[1
]}

Guchhait, Nikhil ^{[1
]}

机构：

[1] Univ Calcutta, Dept Chem, 92 APC Rd, Kolkata 700009, India

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2017年 / 183卷

关键词：

Coumarin; Zn2+ sensor; Paper strip; Fluorescence enhancement; Lifetime measurement; NAKED EYE DETECTION; TURN-ON; FLUORESCENCE SENSOR; ZINC IONS; RELEASE; CHEMOSENSORS; HIPPOCAMPUS; BIOSENSORS; INDUCTION; PLATFORM;

D O I：

10.1016/j.saa.2017.04.035

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

We report the synthesis and Zn2+ sensing of a novel coumarin-hydrazine conjugate 3-{1-[(4, 6-Dhnethyl-pyrimidin-2-yl)-hydrazono]-ethyl)-chromen-2-one (3). Compound 3 can act as a neat fluorescent Zn2+ sensor by an increment in fluorescence intensity along with an appreciable red shift. Fluorescence enhancement is caused by complexation through cis-trans isomerization process in the presence of Zn2+ ion. The practical utility of 3 was demonstrated by successful test kit experiment to detect Zn2+ in water under UV-light. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：306 / 311

页数：6

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