A novel activatable AIEgen fluorescent probe for peroxynitrite detection and its application in EC1 cells
文献类型： 外文期刊
作者： Han, Xiaojing 1 ; Yang, Xiaopeng 1 ; Zhang, Yongru 1 ; Li, Zipeng 1 ; Cao, Wenbo 3 ; Zhang, Di 2 ; Ye, Yong 1 ;
作者机构： 1.Zhengzhou Univ, Coll Chem, Green Catalysis Ctr, Zhengzhou 450001, Peoples R China
2.Henan Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Zhengzhou 450002, Peoples R China
3.Zhengzhou Univ, Sch Basic Med Sci, Zhengzhou 450001, Peoples R China
关键词： AIE fluorescent probe; Long emission wavelength; Peroxynitrite; Cell imaging
期刊名称：SENSORS AND ACTUATORS B-CHEMICAL （ 影响因子：7.46； 五年影响因子：6.743 ）
ISSN：
年卷期： 2020 年 321 卷
页码：
收录情况： SCI
摘要： Peroxynitrite (ONOO-), as one type of reactive nitrogen species (RNS), is closely related to multiple pathophysiological processes. Visualization of ONOO- in living system is essential for further study of its physiological functions. However, most existing ONOO- fluorescent probes continuously display the aggregation-caused quenching (ACQ). In present research, a new activatable AIEgen fluorescent probe QM-ONOO- for ONOO- recognition and imaging was proposed. Activation of the probe by ONOO-, induced aggregation of QM-OH. This sensor showed fast response time (< 4 min) and high sensitivity (DL, 27.5 nM), large Stock's shift (190 nm), long emission wavelength. Furthermore, the outcomes indicate that QM-ONOO- as an activatable AIEgen fluorescent sensor was robust chemical tool to detect endogenous peroxynitrite in living biological system.
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