The quinoline derivative of ratiometric and sensitive fluorescent zinc probe based on deprotonation

被引：74

作者：

Du, Jianjun ^{[1
]}

Fan, Jiangli ^{[1
]}

Peng, Xiaojun ^{[1
]}

Li, Honglin ^{[1
]}

Sun, Shiguo ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2010年 / 144卷 / 01期

关键词：

Fluorescent probe; Ratiometric detection; Zinc ion; Quinoline derivatives; High sensitivity; BIOLOGICAL APPLICATIONS; SENSOR MOLECULES; ZN2+; DESIGN; ZN(II); FAMILY; ACID; ION;

D O I：

10.1016/j.snb.2009.09.022

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new quinoline derivative probe (QZn1) with DPA as recognition group was designed and prepared for selective detection of Zn2+ in aqueous solution. The recognizing affinity is based on the selective deprotonation and coordination. The resulting fluorescence lambda em via ICT is at 499 nm, while the original fluorescence is at 407 nm. The fluorescence ratio (F-499/F-407) shows high selectivity and sensitivity (nanomolar level) to Zn2+ in aqueous solutions. QZn1 has ideal chemical and spectroscopic properties that satisfy the criteria for further biological and environmental applications. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：337 / 341

页数：5

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