A Sensitive Probe for Determination of Cu2+ With Optical Detection in Aqueous Solution

被引：8

作者：

Hu Ming-Ming ^{[1
]}

Fan Jiang-Li ^{[1
]}

Li Hong-Lin ^{[1
]}

Ziyauduna, Pahirdin ^{[1
]}

Peng Xiao-Jun ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2011年 / 39卷 / 08期

关键词：

Rhodamin B; Copper ion; Reversibility; Probe; FLUORESCENT CHEMODOSIMETER; CHEMOSENSOR; SELECTIVITY; COPPER;

D O I：

10.3724/SP.J.1096.2011.01195

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel Rodamine B derivative D2 was designed and synthesized as a specific probe for Cu2+. D2 itself has no color and weak fluorescence in 2 X 10(-5) mol/L 4-(2-hydroxyerhyDpiperazine-1-erhanesulfonic acid(HEPES)-CH3CN(1:1, V/V, 0.1 mol/L NaNO3 pH = 7.4) solution; after added Cu2+, the solution turned into pink color quickly, as well as 2.7-fold fluorescence enhancement, while other common metal ions were not responding. The UV detection limit was 1.29 X 10(-7) mol/L. The color change reduced by 1 X 10(-6) mol/L Cu2+ still can be seen by naked eyes. D2 can be loaded as test paper for detecting Cu2+ with mg/L level in water solution. This method has potential application for detection of Cu2+ in the actual environment with rapid real-time analysis.

引用

页码：1195 / 1200

页数：6

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