Estimation of Cell Surface Tension from the Contact Angle Measurements Present Status and Problems

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  • 接触角から細胞の表面張力を推定する現状と問題点
  • セツショッカク カラ サイボウ ノ ヒョウメン チョウリョク オ スイテイスル

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Current experimental techniques for estimation of the cell surface tension by contact angle measurements were reviewed. <BR>It is shown that in the process of measuring the contact angles of drops of water or air bubbles at biological surfaces, transfer of natural surface active materials to the air/water interface occurs with a consequent reduction in the surface tension. The estimation of cell surface tensions from contact angles based on theoretical calculations in which the air/water tension of pure water is used are in error. <BR>The adhering bubble method is preferable for contact angle determinations in biological systems.

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