Object Transportation System Mimicking the Cilia of <i>Paramecium aurelia</i> Making Use of the Light‐Controllable Crystal Bending Behavior of a Photochromic Diarylethene

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  • Ryo Nishimura
    Department of Materials Chemistry Faculty of Science and Technology Ryukoku University Seta Otsu Shiga 520-2194 Japan
  • Ayako Fujimoto
    Department of Materials Chemistry Faculty of Science and Technology Ryukoku University Seta Otsu Shiga 520-2194 Japan
  • Nobuhiro Yasuda
    Diffraction and Scattering Division Japan Synchrotron Radiation Research Institute 1-1-1 Kouto, Sayo-cho Sayo-gun Hyogo 679-5198 Japan
  • Masakazu Morimoto
    Department of Chemistry and Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-Ikebukuro, Toshima-ku Tokyo 171-8501 Japan
  • Tatsuhiro Nagasaka
    Graduate School of Engineering Science Osaka University Toyonaka Osaka 560-8531 Japan
  • Hikaru Sotome
    Graduate School of Engineering Science Osaka University Toyonaka Osaka 560-8531 Japan
  • Syoji Ito
    Graduate School of Engineering Science Osaka University Toyonaka Osaka 560-8531 Japan
  • Hiroshi Miyasaka
    Graduate School of Engineering Science Osaka University Toyonaka Osaka 560-8531 Japan
  • Satoshi Yokojima
    School of Pharmacy Tokyo University of Pharmacy and Life Sciences 1432-1 Horinouchi Hachioji Tokyo 192-0392 Japan
  • Shinichiro Nakamura
    RIKEN Cluster for Science, Technology and Innovation Hub Nakamura Laboratory 2-1 Hirosawa Wako Saitama 351-0198 Japan
  • Ben L. Feringa
    Stratingh Institute for Chemistry University of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
  • Kingo Uchida
    Department of Materials Chemistry Faculty of Science and Technology Ryukoku University Seta Otsu Shiga 520-2194 Japan

説明

<jats:title>Abstract</jats:title><jats:p>The design of an object transportation system exploiting the bending behavior of surface‐assembled diarylethene crystals is reported. A photoactuated smart surface based on this system can transport polystyrene beads to a desired area depending on the direction of the incident light. Two main challenges were addressed to accomplish directional motion along a surface: first, the preparation of crystals whose bending behavior depends on the direction of incident light; second, the preparation of a film on which these photochromic crystal plates are aligned. Nuclei generation and nuclear growth engineering were achieved by using a roughness‐controlled dotted microstructured substrate. This system demonstrates how to achieve a mechanical function as shown by remote‐controlled motion along a surface.</jats:p>

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