A new fluorescent sensor bearing three dansyl fluorophores for highly sensitive and selective detection of mercury(II) ions

被引：20

作者：

Wanichacheva, Nantanit ^{[1
]}

Kumsorn, Ploypan ^{[1
]}

Sangsuwan, Rapeepat ^{[1
]}

Kamkaew, Anyanee ^{[1
]}

Lee, Vannajan Sanghiran ^{[2
,3
]}

Grudpan, Kate ^{[3
,4
]}

机构：

[1] Silpakorn Univ, Fac Sci, Dept Chem, Nakhon Pathom 73000, Thailand

[2] Chiang Mai Univ, Fac Sci, Mat Sci Res Ctr, Chiang Mai 50200, Thailand

[3] Chiang Mai Univ, Fac Sci, Dept Chem, Chiang Mai 50200, Thailand

[4] Chiang Mai Univ, Ctr Excellence Innovat Analyt Sci & Technol, Chiang Mai 50200, Thailand

来源：

TETRAHEDRON LETTERS | 2011年 / 52卷 / 46期

关键词：

Mercury sensor; Fluoroionophore; Hg2+-selectivity; Dansyl fluorophore; PHOTOPHYSICAL PROPERTIES; FLUOROIONOPHORE; CHEMOSENSOR; HG2+; CROWN; CHROMOIONOPHORE; RECEPTORS; BEHAVIOR; BINDING; COPPER;

D O I：

10.1016/j.tetlet.2011.09.033

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel fluorometric sensor bearing three dansyl moieties based on tris[2-(2-aminoethylthio)ethyl]amine was prepared by a simple approach using a conventional two-step synthesis. The sensor exhibits highly Hg2+-selective ON-OFF fluorescence quenching behavior in aqueous acetonitrile solutions and is shown to discriminate various competing metal ions, particularly Cu2+, Ag+, and Pb2+ as well as Ca2+, Cd2+, Co2+, Fe3+, Mn2+, Na+, Ni2+, and Zn2+, with a detection limit of 1.15 x 10(-7) M or 23 ppb. (C) 2011 Elsevier Ltd. All rights reserved,

引用

页码：6133 / 6136

页数：4

共 42 条

[1] Carrier-based ion-selective electrodes and bulk optodes. 1. General characteristics [J].