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Unidirectional rotation of micromotors on water powered by pH-controlled disassembly of chiral molecular crystals

Author

Listed:
  • Itai Carmeli

    (Tel Aviv University)

  • Celine M. Bounioux

    (Tel Aviv University)

  • Philip Mickel

    (University of Illinois at Chicago)

  • Mark B. Richardson

    (CSIRO Manufacturing)

  • Yael Templeman

    (Ben-Gurion University of the Negev)

  • Joel M. P. Scofield

    (University of Melbourne)

  • Greg G. Qiao

    (University of Melbourne)

  • Brian Ashley Rosen

    (Tel Aviv University)

  • Yelena Yusupov

    (Tel Aviv University)

  • Louisa Meshi

    (Ben-Gurion University of the Negev)

  • Nicolas H. Voelcker

    (Monash University)

  • Oswaldo Diéguez

    (Tel Aviv University
    Tel Aviv University)

  • Touvia Miloh

    (Tel Aviv University)

  • Petr Král

    (University of Illinois at Chicago
    University of Illinois at Chicago)

  • Hagai Cohen

    (Weizmann Institute of Science)

  • Shachar E. Richter

    (Tel Aviv University)

Abstract

Biological and synthetic molecular motors, fueled by various physical and chemical means, can perform asymmetric linear and rotary motions that are inherently related to their asymmetric shapes. Here, we describe silver-organic micro-complexes of random shapes that exhibit macroscopic unidirectional rotation on water surface through the asymmetric release of cinchonine or cinchonidine chiral molecules from their crystallites asymmetrically adsorbed on the complex surfaces. Computational modeling indicates that the motor rotation is driven by a pH-controlled asymmetric jet-like Coulombic ejection of chiral molecules upon their protonation in water. The motor is capable of towing very large cargo, and its rotation can be accelerated by adding reducing agents to the water.

Suggested Citation

  • Itai Carmeli & Celine M. Bounioux & Philip Mickel & Mark B. Richardson & Yael Templeman & Joel M. P. Scofield & Greg G. Qiao & Brian Ashley Rosen & Yelena Yusupov & Louisa Meshi & Nicolas H. Voelcker , 2023. "Unidirectional rotation of micromotors on water powered by pH-controlled disassembly of chiral molecular crystals," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-38308-9
    DOI: 10.1038/s41467-023-38308-9
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    References listed on IDEAS

    as
    1. Christian Scholz & Michael Engel & Thorsten Pöschel, 2018. "Publisher Correction: Rotating robots move collectively and self-organize," Nature Communications, Nature, vol. 9(1), pages 1-2, December.
    2. Christian Scholz & Michael Engel & Thorsten Pöschel, 2018. "Rotating robots move collectively and self-organize," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
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    Cited by:

    1. Chung Wing Chan & Daihui Wu & Kaiyao Qiao & Kin Long Fong & Zhiyu Yang & Yilong Han & Rui Zhang, 2024. "Chiral active particles are sensitive reporters to environmental geometry," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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