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A caveat to common hemicyanine dye components and their resolution

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Abstract

Near-infrared-emitting hemicyanine dyes are widely used in activatable fluorescent probes for various biological analytes; however, they are chemically unstable and show photoinstability, as shown here with naphthalene-based hemicyanines containing a typical hemicyanine moiety, 2-indolium. These issues can be resolved with a 4-pyridinium derivative, which also has good two-photon imaging capability.

Graphical abstract: A caveat to common hemicyanine dye components and their resolution

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Article information


Submitted
10 Mar 2020
Accepted
06 May 2020
First published
06 May 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

A caveat to common hemicyanine dye components and their resolution

H. J. Park, C. W. Song, S. Sarkar, Y. W. Jun, Y. J. Reo, M. Dai and K. H. Ahn, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01833C

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