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Fluidic supramolecular nano- and microfibres as molecular rails for regulated movement of nanosubstances

Author

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  • Shun-ichi Tamaru

    (Graduate School of Engineering, Kyoto University, Katsura
    Sojo University, 4-22-1 Ikeda)

  • Masato Ikeda

    (Graduate School of Engineering, Kyoto University, Katsura)

  • Yusuke Shimidzu

    (Graduate School of Engineering, Kyoto University, Katsura)

  • Shinji Matsumoto

    (Graduate School of Engineering, Kyoto University, Katsura)

  • Shoji Takeuchi

    (Japan Science and Technology Agency (JST), CREST, 5 Sanbancho, Chiyoda-ku)

  • Itaru Hamachi

    (Graduate School of Engineering, Kyoto University, Katsura
    Center for International Research on MicroMechatronics, Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku)

Abstract

Nano- and micro-sized fibrous architectures are ubiquitous in nature; in particular, microtubules have an essential role within live cells, as tracks for transporting objects to a desired place, driven by molecular motors such as dynein and kinesin. Such functions of bionanofibres motivated us to construct an artificial supramolecular rail using the fluidic property of self-assembled glycolipid nanofibres. Artificial supramolecular nanofibres constructed through molecular self-assembly of small molecules have recently attracted considerable attention for their unique properties, such as reversible formation/destruction under mild conditions and various stimuli responsiveness. In this paper, we show that a supramolecular nanofibre has sufficient fluidity, on the basis of its non-crystalline nature, to function as a molecular track for the directional movement of attached molecules, proteins and nanobeads along the fibre.

Suggested Citation

  • Shun-ichi Tamaru & Masato Ikeda & Yusuke Shimidzu & Shinji Matsumoto & Shoji Takeuchi & Itaru Hamachi, 2010. "Fluidic supramolecular nano- and microfibres as molecular rails for regulated movement of nanosubstances," Nature Communications, Nature, vol. 1(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:1:y:2010:i:1:d:10.1038_ncomms1018
    DOI: 10.1038/ncomms1018
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