Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Vol. 90 Commemorative Account: Fascinating Molecules and Reactions
Photoswitchable Turn-on Mode Fluorescent Diarylethenes: Strategies for Controlling the Switching Response
Masahiro IrieMasakazu Morimoto
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2018 Volume 91 Issue 2 Pages 237-250

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Abstract

A new type of photoswitchable fluorescent diarylethenes, which have no fluorophore unit but emit strong fluorescence (Φf ∼ 0.9) in the closed-ring isomers, has been developed. They are sulfone derivatives of 1,2-bis(2-alkyl-4-methyl-5-phenyl-3-thienyl)perfluorocyclopentenes and 1,2-bis(2-alkyl-1-benzothiophen-3-yl)perfluorocyclopentenes. By chemical modifications of the structures their switching response was tuned to meet the requirements for super-resolution fluorescence microscopies. The water-soluble derivatives have been successfully applied to acquire super-resolution bioimages using a single-wavelength visible beam.

Recent development and future prospect of photochromic diarylethenes that undergo turn-on mode fluorescence switching upon photoirradiation are described. By chemical modifications of the structures their switching response was tuned to meet the requirements for super-resolution fluorescence microscopies. The water-soluble derivatives have been successfully applied to acquire super-resolution bioimages using a single-wavelength visible beam. Fullsize Image
 
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© 2018 The Chemical Society of Japan
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