Two birds with one stone: Multifunctional and highly selective fluorescent probe for distinguishing Zn2+ from Cd2+ and selective recognition of sulfide anion

被引：47

作者：

Hou, Ji-Ting ^{[1
]}

Liu, Bei-Yu ^{[1
]}

Li, Kun ^{[1
]}

Yu, Kang-Kang ^{[1
]}

Wu, Ming-Bo ^{[2
]}

Yu, Xiao-Qi ^{[1
]}

机构：

[1] Sichuan Univ, Key Lab Green Chem & Technol, Minist Educ, Coll Chem, Chengdu 610064, Peoples R China

[2] Sichuan Univ, State Key Lab Oral Dis, Chengdu 610041, Peoples R China

来源：

TALANTA | 2013年 / 116卷

基金：

美国国家科学基金会;

关键词：

Fluorescent probe; Recognition; Sulfide anion; Zinc ion; HYDROGEN-SULFIDE; LIVING CELLS; CHEMOSENSING ENSEMBLE; AQUEOUS-SOLUTION; SENSOR; WATER; ZINC; ION; CHEMISTRY; CYSTEINE;

D O I：

10.1016/j.talanta.2013.07.020

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A coumarin-based multifunctional fluorescent sensor containing a di-2-picolylamine (DPA) moiety (1) was presented. Interestingly, this probe could similarly act as ON-OFF type fluorescent sensor for Co2+ and Cu2+, then in situ generated 1-Co(II) and 1-Cu(II) ensembles could further serve as OFF-ON type fluorescent sensors to achieve the discrimination of Zn2+ from Cd2+ and selective recognition of sulfide anion in aqueous solution via displacement approach, respectively. Specially, 1-Cu(II) could permeate the cell membrane and could be used in fluorescence imaging of S2- in living biological samples. These ON-OFF-ON type fluorescent sensors exhibited high selectivity and sensitivity towards the targets. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：434 / 440

页数：7

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