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Variation of Saturated Surface Density of Ovalbumin on Bubble Surface in Continuous Foam Separation

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タイトル: Variation of Saturated Surface Density of Ovalbumin on Bubble Surface in Continuous Foam Separation
著者: Maruyama, Hideo 著作を一覧する
Seki, Hideshi 著作を一覧する
Suzuki, Akira 著作を一覧する
Inoue, Norio 著作を一覧する
キーワード: Foam separation
Saturated surface density
Ovalbumin
Effective diameter
Surface charge
発行日: 2006年 7月 1日
出版者: Elsevier
誌名: Journal of Colloid and Interface Science
巻: 299
号: 1
開始ページ: 416
終了ページ: 420
出版社 DOI: 10.1016/j.jcis.2006.02.006
抄録: The adsorption of ovalbumin (OA) onto the bubble surfaces was studied with various pHs (3.5, 4.6, 6.0 and 8.0) by a continuous foam separation technique. From the value of the saturated surface density of adsorbed OA, the variation of effective diameter (D) of an OA molecule on the bubble surface was estimated for various pHs (3.5, 4.6, 6.0 and 8.0) of the OA solutions, assuming that the cross-section of the OA molecules be circular and that the OA molecules adsorb on the bubble surface in a closest packing structure. The estimated variation of D with pH was attempted to explain based on a model modified from that proposed by Pujar and Zydney [33]. The modified model could well reproduce the variation of the effective diameter with pH; the values of D calculated on the basis of the modified model almost agreed with that estimated from the saturated surface density in the present experimental pH range. From these, conclusion was drawn that the modified model presented in this study can express the variation in the effective diameter with pH. Keywords: Foam separation; Saturated surface density; Ovalbumin; Effective diameter; Surface charge
関連URI: http://www.sciencedirect.com/science/journal/00219797
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/8539
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 丸山 英男

 

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