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

Shun-ichi Tamaru, Masato Ikeda, Yusuke Shimidzu, Shinji Matsumoto, Shoji Takeuchi and Itaru Hamachi ()
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Shun-ichi Tamaru: Graduate School of Engineering, Kyoto University, Katsura
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

Nature Communications, 2010, vol. 1, issue 1, 1-7

Abstract: 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.

Date: 2010
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DOI: 10.1038/ncomms1018

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