Highly sensitive and selective chemosensors for D-fructose based on electrostatic interaction in aqueous solution

被引：13
作者：
Wang, Xiaoju [2 ]
Wang, Guofeng [1 ]
Liang, Fei [1 ]
Wang, Yue [1 ]
Wei, Xing [1 ]
Feng, Liheng [1 ]
Zhang, Liwei [2 ]
机构：
[1] Shanxi Univ, Sch Chem & Chem Engn, Taiyuan 030006, Peoples R China
[2] Shanxi Univ, Inst Mol Sci Chem Biol & Mol Engn, Lab Educ Minist, Taiyuan 030006, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2012年 / 171卷
关键词：
D-Fructose; Chemosensor; Polyfluorene; Boronic acid; Viologens; ACID-SUBSTITUTED VIOLOGENS; BORONIC ACID; CHEMICAL SENSORS; FUNCTIONALIZED POLYFLUORENE; MONOSACCHARIDE DETECTION; BIPYRIDINIUM SALTS; FLUORESCENT SENSOR; GLUCOSE; RECOGNITION; RECEPTORS;
D O I：
10.1016/j.snb.2012.05.016
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Anionic water-soluble polyfluorene (PBPSO3Na) and cationic boronic acid functional viologens (BBVs) were synthesized and combined into three new two-component chemosensors of D-monosaccharides, respectively. The sensing abilities of the three chemosensors for detection of D-monosaccharides were determined by fluorescence in a pH 7.4 buffer solution. The results show that o-BBV/PBPSO3Na and m-BBV/PBPSO3Na ensembles both have high selectivity and sensitivity for ID-fructose with reversible "on-off" fluorescence responses. Due to different substituted positions of boronic acid groups in BBVs and electrostatic interactions of three BBVs with PBPSO3Na, the sensing order to D-fructose is m-BBV/PBPSO3Na > o-BBV/PBPSO3Na > p-BBV/PBPSO3Na. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：486 / 491
页数：6
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