A new hydroxynaphthyl benzothiazole derived fluorescent probe for highly selective and sensitive Cu2+ detection

被引：34

作者：

Tang, Lijun ^{[1
]}

He, Ping ^{[1
]}

Zhong, Keli ^{[1
]}

Hou, Shuhua ^{[1
]}

Bian, Yanjiang ^{[1
]}

机构：

[1] Bohai Univ, Dept Chem, Jinzhou 121013, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 169卷

基金：

中国国家自然科学基金;

关键词：

Cu2+ recognition; Cu2+ catalyzed hydrolysis; Benzothiazole; ESIPT; Cell imaging; INTRAMOLECULAR PROTON-TRANSFER; RATIOMETRIC DETECTION; VISUAL DETECTION; COPPER; CHEMODOSIMETER; IONS; ESIPT; CHEMOSENSOR; SENSORS; CU(II);

D O I：

10.1016/j.saa.2016.06.045

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A new reactive probe, 1-(benzo[d]thiazol-2-yl)naphthalen-2-yl-picolinate (BTNP), was designed and synthesized. BTNP acts as a highly selective probe to Cu2+ in DMSO/H2O (7/3, v/v, Tris-HCl 10 mM, pH = 7.4) solution based on Cu2+ catalyzed hydrolysis of the picolinate ester moiety in BTNP, which leads to the formation of an ESIPT active product with dual wavelength emission enhancement. The probe also possesses the advantages of simple synthesis, rapid response and high sensitivity. The pseudo-first-order reaction rate constant was calculated to be 0.205 min(-1). Moreover, application of BTNP to Cu2+ detection in living cells and real water samples was also explored. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：246 / 251

页数：6

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