A retrievable fluorescence "TURN ON" sensor for sulfide anions

被引：34

作者：

Kar, Chirantan ^{[1
]}

Das, Gopal ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Gauhati 781039, Assam, India

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2013年 / 251卷

关键词：

Sulfide sensing; Fluorescence spectroscopy; UV/vis spectroscopy; Mass spectroscopy; HYDROGEN-SULFIDE; SENSITIVE DETECTION; TRIPODAL RECEPTOR; RECOGNITION; CHEMODOSIMETER; SAMPLES; PROBE;

D O I：

10.1016/j.jphotochem.2012.10.024

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A benzimidazole based tripodal fluorescence derivative (L-1) is synthesized and characterized. Combining L-1 with Cu2+ shows excellent selectivity toward sulfide anions. The binding stoichiometry of L-1 with Cu2+ is established by jobs plot analysis and mass spectral evidence and the binding mode is established by synthesis of a control compound L-2. The initial fluorescence of L-1 is lost on complexation with Cu2+ and is regained in presence of sulfide. The "OFF-ON" behavior of L-1 is studied by Fluorescence, UV/vis and mass spectroscopic methods. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：128 / 133

页数：6

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