Novel Fluorescent Molecular Clips: Selective Recognition Towards Fe3+ in Aqueous Solution

被引：16

作者：

Li, Lin ^{[1
]}

She, Neng-fang ^{[1
]}

Fei, Zhuan ^{[1
]}

So, Pui-kin ^{[2
,3
]}

Wang, Yu-zhou ^{[1
]}

Cao, Li-ping ^{[1
]}

Wu, An-xin ^{[1
]}

Yao, Zhong-ping ^{[2
,3
]}

机构：

[1] Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China

[2] Hong Kong Polytech Univ, State Key Lab Chirosci, Kowloon, Hong Kong, Peoples R China

[3] Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Kowloon, Hong Kong, Peoples R China

来源：

JOURNAL OF FLUORESCENCE | 2011年 / 21卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Chemosensor; Fluorescence quenching; Fe3+; Diethoxycarbonyl glycoluril derivative; STOKES SHIFT; QUANTUM DOTS; SENSOR; ION; IRON; GLYCOLURIL; CHEMOSENSOR; RECEPTOR; BINDING; ANION;

D O I：

10.1007/s10895-010-0784-0

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

In this paper, we report the synthesis, characterization and Fe3+-sensing properties of a series of new artificial fluorescent molecular clips, and structure of clip 1 is confirmed by X-ray crystallography. All these molecular clips had the ability to bind and sense Fe3+ selectively through decrease fluorescence responses in THF-MeOH-Water. Fluorimetric titration experiment indicated that the quenching of these compounds' fluorescence upon Fe3+ probably arises from the electron/energy transfer between Fe3+ and the excited chemosensors. The limit of detection, linear concentration range and selectivity of the fluorescent molecular clips were evaluated in this study as well.

引用

页码：1103 / 1110

页数：8

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