Selective recognition of acetate ion based on fluorescence enhancement chemosensor

被引：22

作者：

Hosseini, Morteza ^{[1
]}

Ganjali, Mohammad Reza ^{[2
]}

Veismohammadi, Bahareh ^{[2
]}

Faridbod, Farnoush ^{[3
]}

Abkenar, Shiva Dehghan ^{[4
]}

Salavati-Niasari, Masoud ^{[5
]}

机构：

[1] Unvers Tehran, Fac New Sci & Technol, Dept Life Sci Engn, Tehran, Iran

[2] Univ Tehran, Fac Chem, Ctr Excellence Electrochem, Tehran, Iran

[3] Univ Tehran Med Sci, Endocrinol & Metab Res Ctr, Tehran, Iran

[4] Islamic Azad Univ, Savadkooh Branch, Dept Chem, Savadkooh, Iran

[5] Univ Kashan, Fac Sci, Dept Chem, Kashan, Iran

来源：

LUMINESCENCE | 2012年 / 27卷 / 05期

关键词：

fluorescence enhancing; acetate; uranyl salophen; fluorescent sensor; COLORIMETRIC SENSOR; MEMBRANE-ELECTRODE; BINDING CONSTANTS; ANION RECOGNITION; RECEPTOR; COMPLEX;

D O I：

10.1002/bio.1354

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Fluorescence study of the complexation between uranyl salophen (L) and some common anions in acetonitrilewater (90:10, v/v) solution showed a tendency of L toward acetate ion (AcO-). The fluorescence enhancement of L is attributed to a 1:1 complex formation between L and acetate ion which was utilized as the basis for the selective detection of AcO-. The association constant of the 1:1 complex formation of LAcO- was calculated as 6.60?x?106. The linear response range of the fluorescent chemosensor covers a AcO- concentration range of 1.6?x?10-7 to 2.5?x?10-5?mol/L, with a detection limit of 2.5?x?10-8?mol/L. L showed a selective and sensitive fluorescence enhancement response toward acetate ion over I3-, NO3-, CN-, CO32-, Br-, Cl-, F-, H2PO4- and SO42-, which was attributed to the higher stability of inorganic complex between acetate and L. Copyright (c) 2012 John Wiley & Sons, Ltd.

引用

页码：341 / 345

页数：5

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