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Mechanical twisting of a guest by a photoresponsive host

Author

Listed:
  • Takahiro Muraoka

    (The University of Tokyo)

  • Kazushi Kinbara

    (The University of Tokyo
    PRESTO, Japan Science Technology Agency (JST))

  • Takuzo Aida

    (The University of Tokyo)

Abstract

Let's twist A number of ‘molecular machines’ have been developed to do the same jobs as full-size tweezers, rotors and brakes. This week an important step towards more complex molecular machinery is reported, in the shape of light-powered ‘molecular pedals’ that can manipulate a second molecule. The set of pedals is designed so that a light-induced conformational change at one end of the molecule rotates its centre and induces a scissor-like motion of the pedals at the other end. This programmed, fully reversible rotation and pedal action is converted into a twisting motion of a rotary ‘guest’ molecule that has been trapped between the pedals through non-covalent interactions. An extension of this concept might allow the remote control of molecular events in larger interlocked molecular systems.

Suggested Citation

  • Takahiro Muraoka & Kazushi Kinbara & Takuzo Aida, 2006. "Mechanical twisting of a guest by a photoresponsive host," Nature, Nature, vol. 440(7083), pages 512-515, March.
    • Handle: RePEc:nat:nature:v:440:y:2006:i:7083:d:10.1038_nature04635
    DOI: 10.1038/nature04635
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    Cited by:

    1. Tomoki Nakajima & Shohei Tashiro & Masahiro Ehara & Mitsuhiko Shionoya, 2023. "Selective synthesis of tightly- and loosely-twisted metallomacrocycle isomers towards precise control of helicity inversion motion," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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