A novel highly specific and ultrasensitive fluorescent probe for monitoring hypochlorous acid and its application in live cellsElectronic supplementary information (ESI) available. See DOI: 10.1039/c8ra09551e

Based on the important role of hypochlorous acid (HOCl) in the immune system and numerous physiological processes, the detection of intracellular basal HOCl is of significant interest. In this work, we present a simple thiocarbamate-protected fluorescein fluorescent probe, TCFL , for imaging basal H...

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Bibliographic Details
Main Authors: Li, Xinyuan, Wu, Liu, Zhao, Ziyang, Liu, Caiyun, Zhu, Baocun
Format: Article
Language:English
Online Access:Get full text
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Summary:Based on the important role of hypochlorous acid (HOCl) in the immune system and numerous physiological processes, the detection of intracellular basal HOCl is of significant interest. In this work, we present a simple thiocarbamate-protected fluorescein fluorescent probe, TCFL , for imaging basal HOCl in live cells. Surprisingly, probe TCFL could determine HOCl quantitatively in a large concentration range with a detection limit of 0.65 nM. In addition, probe TCFL showed excellent specificity for HOCl in the presence of other higher concentration analytes (1 mM). Moreover, probe TCFL exhibited a rapid response (within 3 s) to HOCl and thus could provide a tool for real-time monitoring of HOCl. Importantly, probe TCFL with outstanding response features could be applied for monitoring basal HOCl in live cells. A highly specific, ultrasensitive, thiocarbamate-caged fluorescein probe was developed for real-time detection of HOCl in live cells.
ISSN:2046-2069
DOI:10.1039/c8ra09551e