A simple internal charge transfer probe offering dual optical detection of Co (II) via color and fluorescence modulations

被引：51

作者：

Mashraqui, Sabir H. ^{[1
]}

Chandiramani, Mukesh ^{[1
]}

Betkar, Rupesh ^{[1
]}

Poonia, Kiran ^{[1
]}

机构：

[1] Univ Bombay, Dept Chem, Bombay 400098, Maharashtra, India

来源：

TETRAHEDRON LETTERS | 2010年 / 51卷 / 09期

关键词：

ELECTRON-TRANSFER; EXCITED-STATE; SPECTROPHOTOMETRIC DETERMINATION; FLOW-INJECTION; COBALT; METAL; SENSORS; DESIGN; RECOGNITION; CHEMOSENSOR;

D O I：

10.1016/j.tetlet.2009.12.132

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A newly designed internal charge transfer chemosensor, DIPZON exhibits Co2+ selective optical responses, which include 112 nm red shift in absorption and a dramatic 37-fold enhancement in the fluorescence Output in the buffer CH3OH/H2O(11 v/v) system. By contrast, the optical responses were not as sensitive with several other biologically relevant metal ions examined with the binding interactions following the sequence CO2+ > Cu2+ > Zn2+ > Cd2+ >> Ba2+ approximate to Ca2+ approximate to Mg2+ approximate to K+ approximate to Na+ approximate to Li+. (C) 2010 Published by Elsevier Ltd.

引用

页码：1306 / 1308

页数：3

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