気体噴射液体排除によるバイオ界面の濡れ性ダイナミクス評価

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  • 田中 信行
    理化学研究所 生命機能科学研究センター 集積バイオデバイス研究チーム

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タイトル別名
  • The Assessment of Wettability Dynamics on Biointerfaces by Air-Injection Mediated Liquid Exclusion Method
  • キタイ フンシャ エキタイ ハイジョ ニ ヨル バイオ カイメン ノ ヌレ セイ ダイナミクス ヒョウカ

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抄録

<p>In tribology, most phenomena are basically based on interfacial properties involving microscopic physics especially in dynamic motion such as friction, lubrication, and wear. Wettability is an index to describe how much a surface has high affinity to liquid, and is useful for assessing liquid adhesion, liquid-film formation, and lubrication. We previously proposed an air-injection mediated liquid exclusion (AILE) method for assessing the wettability dynamics by removing the liquid covering the target surface instead of measuring the contact angle of liquid droplets on the surface. To date, we have applied the method to various areas among biology, the environment, and biomaterials. The method reveals the difference of wettability on cultivated cells among culture conditions for the first time. And this method is widely used for assessing the wettability of surfaces such as biofilms and biomedical polymer for medical devices which are hard to be evaluated in wet state by previous approaches like the contact angle measurement. This article introduces the method which describes the microscopic dynamics of surface molecules from macroscopic view.</p>

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  • トライボロジスト

    トライボロジスト 66 (10), 780-785, 2021-10-15

    一般社団法人 日本トライボロジー学会

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