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Activity-Based Fluorescent Probes for Sensing and Imaging of Reactive Carbonyl Species (RCSs)
Jana A., Baruah M.,
Published in John Wiley and Sons Ltd
PMID: 35239996
Volume: 17
Issue: 8
This review explains various strategies for developing fluorescent probes to detect reactive carbonyl species (RCS). There are several mono and diacarbonyls among 30 varieties of reactive carbonyl species (RCSs) so far discovered, which play pivotal roles in pathological processes such as cancer, neurodegenerative diseases, cardiovascular disease, renal failure, and diabetes mellitus. These RCSs play essential roles in maintaining ion channel regulation, cellular signaling pathways, and metabolisms. Among RCSs, carbon monoxide (CO) is also utilized for its cardioprotective, anti-inflammatory, and anti-apoptotic effects. Fluorescence-based non-invasive optical tools have come out as one of the promising methods for analyzing the concentrations and co-localizations of these small metabolites. There has been a tremendous eruption in developing fluorescent probes for selective detection of specific RCSs within cellular and aqueous environments due to their high sensitivity, high spatial and temporal resolution of fluorescence imaging. Fluorescence-based sensing mechanisms such as intramolecular charge transfer (ICT), photoinduced electron transfer (PeT), excited-state intramolecular proton transfer (ESIPT), and fluorescence resonance energy transfer (FRET) are described. In particular, probes for dicarbonyls such as methylglyoxal (MGO), malondialdehyde (MDA), along with monocarbonyls that include formaldehyde (FA), carbon monoxide (CO) and phosgene are discussed. One of the most exciting advances in this review is the summary of fluorescent probes of dicarbonyl compounds. © 2022 Wiley-VCH GmbH.
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Published in John Wiley and Sons Ltd
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