Photoswitchable Supramolecular Hydrogels Formed by Cyclodextrins and Azobenzene Polymers

Authors

  • Dr. Shingo Tamesue,

    1. Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043 (Japan), Fax: (+81) 6-6850-5445
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  • Dr. Yoshinori Takashima,

    1. Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043 (Japan), Fax: (+81) 6-6850-5445
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  • Dr. Hiroyasu Yamaguchi,

    1. Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043 (Japan), Fax: (+81) 6-6850-5445
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  • Prof. Dr. Seiji Shinkai,

    1. Institute of Systems, Information Technologies and Nanotechnologies (ISIT) (Japan)
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  • Prof. Dr. Akira Harada

    1. Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043 (Japan), Fax: (+81) 6-6850-5445
    2. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST)
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  • This research was supported by the CREST project, Japan Science and Technology Agency. S.T. appreciates a JSPS fellowship from MEXT of Japan. The authors thank Seiji Adachi (Osaka University) for his helpful advice on the measurement of 2D NOESY spectra.

Abstract

original image

Licht ins Dunkel: Ein supramolekulares Hydrogel wird durch das mit α-Cyclodextrinen versehene Glucan Curdlan (CD-CUR) und Azobenzol-modifizierte Polyacrylsäure gebildet (pAC12Azo). Der Sol-Gel-Übergang und die Morphologie des supramolekularen Hydrogels können durch Licht der entsprechenden Wellenlänge geschaltet werden, das die Bildung eines Einschlusskomplexes zwischen α-Cyclodextrinen und den Azobenzol-Einheiten steuert (siehe Bild).

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