Impact of Particle Softness on Segregation of Binary Colloidal Suspensions Flowing in a Microchannel

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  • OURA Shun
    Graduate School of Textile Science & Technology, Shinshu University
  • WATANABE Takumi
    Graduate School of Textile Science & Technology, Shinshu University
  • MINATO Haruka
    Graduate School of Textile Science & Technology, Shinshu University
  • SUZUKI Daisuke
    Graduate School of Textile Science & Technology, Shinshu University Division of Smart Textiles, Institute for Fiber Engineering, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University

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Other Title
  • マイクロ流動場における異種微粒子の分離に対するやわらかさの影響
  • マイクロ リュウドウジョウ ニ オケル イシュ ビリュウシ ノ ブンリ ニ タイスル ヤワラカサ ノ エイキョウ

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Description

<p>In order to realize drug delivery systems, deeper understanding of the relationship between the position of colloidal particles, flowing in a microchannel, and particle characteristics, such as size and softness, is crucial. However, the influence of the softness of the particles on the flowing position (or segregation) in colloidal mixtures containing polymeric microspheres is still not clear. In this study, we investigated the particle position of binary mixtures in microchannels, observed by an optical microscope equipped with a high-speed camera, and clarified the effect of microgel softness on the segregation. These findings help designing carrier microspheres, for some applications, including drug delivery systems and as artificial blood cells.</p>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 76 (3), 226-233, 2019-05-25

    The Society of Polymer Science, Japan

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