一种基于聚集诱导发光（AIE）和激发态分子内质子转移（ESIPT）机制耦合的新型荧光团及其在生物硫醇成像中的应用。
A novel fluorophore based on the coupling of AIE and ESIPT mechanisms and its application in biothiol imaging.
作者信息
Chen Qing, Jia Chunman, Zhang Yinfeng, Du Wei, Wang Yile, Huang Yan, Yang Qiuyun, Zhang Qi
机构信息
Hainan Provincial Key Lab of Fine Chemistry, Hainan University, Haikou, Hainan 570228, China.
出版信息
J Mater Chem B. 2017 Oct 7;5(37):7736-7742. doi: 10.1039/c7tb02076g. Epub 2017 Sep 13.
A novel fluorophore TPE-HBT was designed based on the intersection of tetraphenylethene (TPE) and 2-(2'-hydroxyphenyl)benzothiazole (HBT). Owing to the synergistic effect of aggregation-induced emission (AIE) and excited-state intramolecular proton transfer (ESIPT) mechanisms, this fluorophore exhibits excellent performance with a high solid-state fluorescence quantum yield (Φ = 0.97) and a large Stokes shift (>200 nm). Moreover, its simple modification with the 2,4-dinitrobenzenesulfonyl group makes it suitable for biothiol imaging.
基于四苯乙烯（TPE）和2-(2'-羟基苯基)苯并噻唑（HBT）的交叉点设计了一种新型荧光团TPE-HBT。由于聚集诱导发光（AIE）和激发态分子内质子转移（ESIPT）机制的协同作用，该荧光团表现出优异的性能，具有高固态荧光量子产率（Φ = 0.97）和大斯托克斯位移（>200 nm）。此外，用2,4-二硝基苯磺酰基对其进行简单修饰使其适用于生物硫醇成像。
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