A sugar-aza-crown ether-based fluorescent sensor for Hg2+ and Cu2+

被引：60

作者：

Hsieh, Yu-Chi ^{[1
]}

Chir, Jiun-Ly ^{[2
]}

Wu, Hsiu-Han ^{[1
]}

Chang, Po-Sheng ^{[1
]}

Wu, An-Tai ^{[1
]}

机构：

[1] Natl Changhua Univ Educ, Dept Chem, Changhua 50058, Taiwan

[2] Acad Sinica, Biotechnol Ctr So Taiwan, Tainan 744, Tainan County, Taiwan

来源：

CARBOHYDRATE RESEARCH | 2009年 / 344卷 / 16期

关键词：

Fluorescent sensor; Sugar-aza-crown ether; Fluorescence; Anthracene; ANTHRYLAZAMACROCYCLE CONJUGATE PROBES; SOLID-PHASE SYNTHESIS; OLIGOSACCHARIDE MIMETICS; CYCLIC HOMOOLIGOMERS; AROMATIC CADMIATION; AQUEOUS-SOLUTION; AMINO-ACIDS; CYCLODEXTRINS; CHEMOSENSOR; RECEPTORS;

D O I：

10.1016/j.carres.2009.08.027

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A fluorescent sensor, 5, based upon the sugar-aza-crown ether structure with two anthracenetriazolymethyl groups was prepared and its fluoroionophoric properties toward transition metal ions were investigated. In methanol, the sensor exhibits highly selective recognition of Cu2+ and Hg2+ ions among a series of tested metal ions. The association constant for 5 center dot Cu2+ and 5 center dot Hg2+ in methanol was calculated to be 4.0 x 10(5) M-1 and 1.1 x 10(5) M-1, respectively. The detection limits for the sensing of Cu2+ and Hg2+ ions were 1.39 x 10(-6) M and 1.39 x 10(-5) M, respectively. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2236 / 2239

页数：4

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