Three highly sensitive and selective colorimetric and off-on fluorescent chemosensors for Cu2+ in aqueous solution

被引：51

作者：

Zhang, Di ^{[1
]}

Wang, Min ^{[1
]}

Chai, Meimei ^{[1
]}

Chen, Xiaopo ^{[1
]}

Ye, Yong ^{[1
,2
]}

Zhao, Yufen ^{[1
,2
]}

机构：

[1] Zhengzhou Univ, Dept Chem, Key Lab Chem Biol & Organ Chem Henan Prov, Phosphorus Chem Engn Res Ctr Henan Prov, Zhengzhou 450052, Peoples R China

[2] Tsinghua Univ, Dept Chem, Minist Educ, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2012年 / 168卷

基金：

中国国家自然科学基金;

关键词：

Rhodamine; Chemosensors; Cu2+; Fluorescence; Spirolactam; CU(II); SENSOR; FLUOROIONOPHORE; IONS; HG2+;

D O I：

10.1016/j.snb.2012.04.009

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Three new fluorescent chemosensors (2a, 2b, 2c) bearing rhodamine B and sugar groups have been designed and synthesized. The chemosensors (2a, 2b, 2c) exhibit high selectivity and excellent sensitivity in both absorbance and fluorescence detection of Cu2+ in aqueous solution. The significant changes in the fluorescence color could be used for naked-eye detection. Furthermore, all the three chemosensors (2a, 2b, 2c) exhibited selective absorbance enhancement to Cu2+ over other metal ions and a detection limit of 1 ppm Cu2+. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：200 / 206

页数：7

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