Azulene-Derived Fluorescent Probe for Bioimaging: Detection of Reactive Oxygen and Nitrogen Species by Two-Photon Microscopy

Lloyd C. Murfin, Maria Weber, Sang Jun Park, Won Tae Kim, Carlos M. Lopez-Alled, Claire L. McMullin, Fabienne Pradaux-Caggiano, Catherine L. Lyall, Gabriele Kociok-Köhn, Jannis Wenk, Steven D. Bull, Juyoung Yoon, Hwan Myung Kim, Tony D. James, Simon E. Lewis

Research output: Contribution to journalArticlepeer-review

127 Scopus citations

Abstract

Two-photon fluorescence microscopy has become an indispensable technique for cellular imaging. Whereas most two-photon fluorescent probes rely on well-known fluorophores, here we report a new fluorophore for bioimaging, namely azulene. A chemodosimeter, comprising a boronate ester receptor motif conjugated to an appropriately substituted azulene, is shown to be an effective two-photon fluorescent probe for reactive oxygen species, showing good cell penetration, high selectivity for peroxynitrite, no cytotoxicity, and excellent photostability.

Original languageEnglish
Pages (from-to)19389-19396
Number of pages8
JournalJournal of the American Chemical Society
Volume141
Issue number49
DOIs
StatePublished - 11 Dec 2019

Bibliographical note

Publisher Copyright:
© 2019 American Chemical Society.

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