A facile probe for D-fructose with fluorescence "on-off-on" switch ensemble

被引:15
作者
Feng, Liheng [1 ]
Liang, Fei [1 ]
Wang, Yue [1 ]
Wang, Xiaoju [2 ]
机构
[1] Shanxi Univ, Sch Chem & Chem Engn, Taiyuan 030006, Peoples R China
[2] Shanxi Univ, Educ Minist, Chem Biol & Mol Engn Lab, Inst Mol Sci, Taiyuan 030006, Peoples R China
关键词
Fluorescence probe; Pyridine salt quencher; Monosaccharide; Boronic acid; ACID-SUBSTITUTED VIOLOGENS; GLUCOSE; RECOGNITION; RECEPTORS; SENSORS; CHARGE; SALTS;
D O I
10.1016/j.snb.2012.07.038
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A highly selective switch for D-fructose was formed by a water-soluble fluorescent dye (HPTS) and boronic acid functionalized pyridine salt (m-P3BQ). The sensing ensemble shows high selectivity and sensitivity for D-fructose in aqueous solution. The construct of the sensing ensemble is facile and simple. The high selectivity of the sensing ensemble for D-fructose may be depended on suitable spacer width of boronic acid groups and a stable pyranose ester form of D-fructose with m-P3BQ The research results can offer a new strategy to design and synthesize highly selective monosaccharides probes. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:575 / 579
页数:5
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