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Fluorescent Photochromic Diarylethene That Turns on with Visible Light

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posted on 2015-10-02, 00:00 authored by Takaki Sumi, Tomohiro Kaburagi, Masakazu Morimoto, Kanako Une, Hikaru Sotome, Syoji Ito, Hiroshi Miyasaka, Masahiro Irie
A new fluorescent photochromic diarylethene that can be activated by irradiation with 405 nm light was synthesized. The turn-on mode switching of fluorescence with visible light is favorable for application to biological systems. The fluorescence quantum yield of the photogenerated closed-ring isomer was as high as 0.8 in less or medium polar solvents, and even in polar acetonitrile the yield was higher than 0.6.

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