A Turn-on and Reversible Fluorescence Sensor for Zinc Ion Based on 4,5-Diazafluorene Schiff Base

被引：18
|
作者：
Li, Hui [1 ,2 ]
Zhang, ShuJiang [2 ]
Gong, ChenLiang [2 ]
Wang, JianZhi [2 ]
Wang, Feng [1 ]
机构：
[1] Wuhan Inst Technol, Sch Chem Engn & Pharm, Key Lab Green Chem Proc, Minist Educ, Wuhan 430073, Peoples R China
[2] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
来源：
JOURNAL OF FLUORESCENCE | 2016年 / 26卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Fluorescent sensor; Zn2+ ion; Schiff base; Turn-on; ZN2+ ION; CHEMOSENSOR; EMISSION; MOIETY; ANIONS; PROBE; HG2+;
D O I：
10.1007/s10895-016-1877-1
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A new 4,5-diazafluorene-based fluorescent chemosensor has been synthesized by Schiff base condensation of 9,9-bis(3,5-dimethyl-4-aminophenyl)-4,5-diazafluorene with salicylaldehyde. The interaction of Schiff base with different metal ions has been studied over photofluorescent spectra. The results showed that Schiff base exhibited 194-fold enhancements in fluorescence at 465 nm after Zn2+ ions. Such fluorescent responses could be detected by naked eye under UV-lamp. The complex solution (L-Zn2+) exhibited reversibility with EDTA.
引用
收藏
页码：1555 / 1561
页数：7
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