New blue fluorescent sensors for metal cations and protons based on 1,8-naphthalimide

被引：46

作者：

Grabchev, Ivo ^{[1
]}

Chovelon, Jean-Marc

机构：

[1] Bulgarian Acad Sci, Inst Polymer, Sofia 1113, Bulgaria

[2] Univ Lyon 1, Lab Appl Chem Environm, LACE, CNRS UMR 5634, F-69622 Villeurbanne, France

来源：

DYES AND PIGMENTS | 2008年 / 77卷 / 01期

基金：

美国国家科学基金会;

关键词：

1,8-naphthalimide; blue fluorescent polymer; sensor; environment; PET; metal cations; protons;

D O I：

10.1016/j.dyepig.2007.02.012

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Monomeric 1,8-naphthalimide in acetonitrile was found to respond to the presence of metal cations (Zn2+, Pb2+, CU2+ and Fe3+) via enhancement of its fluorescence intensity; in the nonpolar solvent, tetrahydrofuran, the response was negligible, regardless of the nature of the cations used. When 1,8-naphthalimide was copolymerised with styrene, the ensuing high M-r polymeric chemosensor reacted selectively to the addition of Fe (3+) cations. The finding that the fluorescence intensity of this high M, sensor increased in acidic media due to protonation of the N,N-dimethylamino receptor groups, suggests that it may offer potential as a reusable sensor for water pollution by Fe3+ cations and protons. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1 / 6

页数：6

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