A New Use for an Old Molecule: An Anthraquinone-Based Colorimetric Chemosensor for Sensing of Citrate Anion

被引：2
|
作者：
Liu, Zhao-Hong [1 ]
Devaraj, Soosai [1 ]
Yen, Yao-Pin [1 ]
机构：
[1] Providence Univ, Dept Appl Chem, Taichung 433, Taiwan
来源：
SENSOR LETTERS | 2012年 / 10卷 / 3-4期
关键词：
Chemosensor; Colorimetric; Anionic Sensor; Anthraquinone Derivative; Citrate Ion; CITRIC-ACID; LIQUID-CHROMATOGRAPHY; DICARBOXYLATE ANIONS; SYNTHETIC RECEPTOR; PROTON-TRANSFER; ORGANIC-ACIDS; RECOGNITION; WATER; BEVERAGES; FLUORIDE;
D O I：
10.1166/sl.2012.2599
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A reported chromogenic sensor 1 towards various di- and tri-carboxylate anions was investigated. The sensor 1 undergoes distinct color change with citrate ion (5 x 10(-3) M) from blue to green in DMSO/H2O (4:1, v/v). Moreover, citrate induced color changes were not interfered even in the presence of large excess of malate, tartrate, oxalate, malonate, succinate, glutarate, adipate, pimelate, suberate, cis-aconitate, trans-aconitate and 1,3,5-benzenetricarboxylate. The detection limit for the determination of citrate ion (0.23 +/- 0.04 mu M) of 1 in aqueous solution was also reported. Thus, the receptor 1 can be used as a colorimetric chemosensor for the determination of citrate ion.
引用
收藏
页码：783 / 788
页数：6
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