Mitochondria-specific ultrasensitive ratiometric AIE probe for imaging endogenous peroxynitrite

Bingpeng Guo*, Wei Shu, Wenjie Liu, Hong Wang, Shu Xing, Jianbin Chen, Xiaoling Zhang

*此作品的通讯作者

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44 引用 (Scopus)

摘要

Peroxynitrite (ONOO), one of well-known highly reactive oxygen and nitrogen species, is closely related to a quantity of pathological and physiological activities. Studies indicated that mitochondria were the main organelles for the ONOO production. Therefore, accurately detecting the fluctuations of mitochondrial ONOO significantly effect in revealing the mechanism of ONOO in living systems. In this research, a ratiometric fluorescent probe TPE-BOH with AIE characteristic was developed for detecting of ONOO in living cells. AIEgen TPE-BOH exhibited a quantitative response to ONOO (50–300 nM) with an ultra-low detection limit (0.45 nM). Remarkably, due to the good biocompatibility and excellent mitochondria-targeted ability of TPE-BOH, it was successfully employed to ratiometric image the fluctuations of ONOO in mitochondria.

源语言英语
文章编号130206
期刊Sensors and Actuators, B: Chemical
344
DOI
出版状态已出版 - 1 10月 2021

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