An aggregation-induced emission (AIE) ratiometric fluorescent cysteine probe with an exceptionally large blue shift

被引：25

作者：

Yan, Liqiang ^{[1
]}

Kong, Zhineng ^{[1
]}

Shen, Wei ^{[1
]}

Du, Wenqi ^{[1
]}

Zhou, Yan ^{[1
]}

Qi, Zhengjian ^{[1
]}

机构：

[1] Southeast Univ, Coll Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 07期

关键词：

SELECTIVE DETECTION; HOMOCYSTEINE; MITOCHONDRIA; PLASMA; THIOLS; SENSOR; CELLS;

D O I：

10.1039/c5ra22245a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, we developed a novel colorimetric and ratiometric fluorescence probe for the selective and sensitive monitoring of cysteine based on a coumarin Schiff-base platform. This probe exhibited remarkable AIE characteristics with an exceptionally large blue shift (125 nm), which showed low emission in DMSO but strong aggregation-induced emission in water solution. An excellent linear relationship of fluorescence intensity ratio (F-450/F-575) (R-2 = 0.9922) versus Cys concentration in the range of 1-13 mu M was obtained.

引用

页码：5636 / 5640

页数：5

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