Recognition of pyrophosphate anion in aqueous solution using the competition displacement method

被引：31

作者：

Chen, Zhi-hong ^{[1
]}

Lu, Yan ^{[1
]}

He, Yong-bing ^{[1
]}

Huang, Xiao-huan ^{[1
]}

机构：

[1] Wuhan Univ, Dept Chem, Wuhan 430072, Hubei, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2010年 / 149卷 / 02期

关键词：

Anion recognition; Pyrophosphate anion; Aqueous solution detection; Displacement method; SELECTIVE FLUORESCENT CHEMOSENSOR; PHYSIOLOGICAL CONDITIONS; EXCIMER FORMATION; PHOSPHATE ANIONS; AMINO-ACIDS; CHOLIC-ACID; RECEPTORS; WATER; SENSOR; INDICATOR;

D O I：

10.1016/j.snb.2010.06.038

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A chiral compound 1 derived from bis(2-pyridinmethyl)amine was designed and synthesized, the dinuclear complexes 1-2Zn(2+) and 1-2Cu(2+) were formed through binding with metal ions (Zn2+, Cu2+). It was found that both complexes could be used to recognize anions in aqueous solution (10 mM HEPES buffer); pyrocatechol violet (PV) was used as the UV-vis indicator to monitor this binding process. Both ternary complexes 1-2Zn(2+) (PV) and 1-2Cu(2+) (PV) displayed the selective recognition abilities towards pyrophosphate (PPi) anions much better than other anions such as phosphate (P-i), ATP, ADP, AMP, acetate and halogen anions. The binding results were further confirmed by the circular dichroism (CD) spectrum. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：407 / 412

页数：6

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