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Selective Foam Separation of Binary Protein Solution

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Title: Selective Foam Separation of Binary Protein Solution
Other Titles: Selective Foam Separation of Binary Protein Solution by SDS Complexation Method.
Authors: Suzuki, Akira Browse this author
Yasuhara, Kazuki Browse this author
Seki, Hideshi Browse this author →KAKEN DB
Maruyama, Hideo Browse this author →KAKEN DB
Issue Date: 15-Sep-2002
Publisher: Elsevier
Journal Title: Journal of Colloid and Interface Science
Volume: 253
Issue: 2
Start Page: 402
End Page: 408
Publisher DOI: 10.1006/jcis.2002.8526
PMID: 16290871
Abstract: A fundamental study about the selective foam separation of protein mixture was carried out. A solution containing two proteins, Ovalbumin (OA) and Lysozyme (LZ), and an anionic surfactant, Sodium Dodecyle Sulfate (SDS), was adjusted to pH 6.0 which refered to an intermediate state between the isoelectric points of the proteins. The solution was processed by continuous foam separation. The results showed that a proper addition of SDS greatly improved the selective recovery of LZ to OA. The experimental data were well explained by a simple model that most of cationic protein molecules (LZ) are associated with SDS and the adsorption of all the species including LZ-SDS complexes are subjected to Langmuir adsorption isotherm. The results also showed that one of the Langmuir parameters, which means a kind of lyophillic property of adsorbed material, of LZ-SDS complexes was extremely large as compared with that of primary protein.
Rights: Copyright © 2002 Elsevier
Type: article (author version)
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 丸山 英男

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