Oxazine-thione-based Colorimetric Fluorescent OFF-ON Probes for Hg2+ Recognition

被引：4

作者：

Zhang Qianqian ^{[1
]}

Sun Ru ^{[1
]}

Ge Jianfeng ^{[1
]}

Xu Qingfeng ^{[2
]}

Li Najun ^{[2
]}

Lu Jianmei ^{[1
,2
]}

机构：

[1] Soochow Univ, Key Lab Organ Synth Jiangsu Prov, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Jiangsu, Peoples R China

[2] Soochow Univ, Key Lab Funct Mat Environm Protect Suzhou City, Suzhou 215123, Jiangsu, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2011年 / 29卷 / 12期

基金：

中国国家自然科学基金;

关键词：

fluorescence probe; mercury ion; DFT calculation; ATOMIC-ABSORPTION-SPECTROMETRY; AQUEOUS-SOLUTION; MERCURIC ION; CHEMOSENSORS; DERIVATIVES; HG(II); SENSOR; SILVER; SPIROLACTAM; DESIGN;

D O I：

10.1002/cjoc.201100376

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two colorimetric probes based on oxazine-thione la and 1b for the detection of Hg2+ were designed and synthesized. The probe la exhibits about a 70-fold enhancement in fluorescence and a color change after the addition of Hg2+ in acetonitrile/wate solvent. la was also highly selective to Hg2+ over other metal ions. Furthermore, DFT/TDDFT calculations were taken to explain the OFF-ON emission response.

引用

页码：2584 / 2590

页数：7

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