Selective dendritic fluorescent sensors for Zn(II)

被引：18

作者：

Wang, Feng ^{[1
]}

Peng, Ruogu ^{[1
]}

Sha, Yaowu ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorous Chem & Chem Biol, Beijing 100084, Peoples R China

来源：

MOLECULES | 2008年 / 13卷 / 04期

关键词：

dendritic; 8-hydroxyquinoline; Zn2+; fluorescence enhancement;

D O I：

10.3390/molecules13040922

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A series of dendritic 8-hydroxyquinoline (8-HQ) and 5-dialkyl(aryl) aminomethyl-8-HQ derivatives were synthesized and their fluoroionophoric properties toward representative alkali, alkaline earth, group IIIA and transition metal ions were investigated. Among the selected ions, Zn(II) enhanced the fluorescence of N-di-(methoxycarbonylethyl)aminoethyl-3-[4-(8-hydroxyquinolin-5-ylmethyl)piperazin-1-yl]propanoic amide] (7) by 31-fold, while Al(III) caused enhancement to some extent. The absence of any significant fluorescence enhancement by the other ions examined renders 7 a highly useful Zn(II)-selective fluorescent sensor.

引用

页码：922 / 930

页数：9

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