期刊
DYES AND PIGMENTS
卷 90, 期 3, 页码 239-244出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2011.01.004
关键词
NBD; Triazole; Fluorescence; Naked-eye detection; Hg2+
资金
- China Scholarship Council (CSC)
7-Nitrobenzo-2-oxa-1,3-diazole (NBD) derived compound 1 bearing triazole binding site was used as a selective fluorescent and colorimetric sensor for Hg2+ in aqueous solution. Among the metal ions examined, only Hg(2+)caused significant fluorescence quenching in EtOH/HEPES (v/v = 9:1) at pH 7.4, along with a remarkable red shift in both absorption and fluorescence spectra which then facilitated naked-eye detection. H-1 NMR titration and control experiments by using more rigid triazolyl NBD derivative 2 were carried out to illustrate the complexation mode and the importance of cooperation of amino acid moiety and triazole ring in improving the binding ability of 1 to Hg2+. (C) 2011 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据