A highly selective and sensitive sugar-rhodamine "turn-on" fluorescent sensor for divalent copper ion detection in acetonitrile

被引：40
|
作者：
Yin, Junxia [1 ]
Ma, Xing [1 ,2 ]
Wei, Guohua [1 ]
Wei, Dongbin [1 ]
Du, Yuguo [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Environm Chem & Ecotoxicol, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 177卷
基金：
中国国家自然科学基金;
关键词：
Chemosensor; Copper ion; Rhodamine; Sugar; AQUEOUS-SOLUTION; CHEMOSENSOR; CU2+; CU(II); CHEMODOSIMETER;
D O I：
10.1016/j.snb.2012.10.123
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A "turn-on" sugar rhodamine fluorescent probe for Cu2+ detection in CH3CN has been designed and synthesized according to a Cu2+ triggered spirolactam ring-opening reaction. The introduction of sugar into probe molecule, combining with solvent effect, significantly improved its selectivity and sensitivity. The synthesized probe exhibits high Cu2+ selectivity and excellent sensitivity (limit of detection is ca. 10 mu g/L) in acetonitrile media. The limit of detection is about 200 times lower than the World Health Organization (WHO) recommended level (2.0 mg/L) for Cu2+ ions in drinking water. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：213 / 217
页数：5
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