Adsorption of Collagen by Sepiolite
R. Pérez-Castells, A. Alvarez, J. Gavilanes, M. A. Lizarbe, A. Martínez Del Pozo, N. Olmo, J. Santarén, 1985. "Adsorption of Collagen by Sepiolite", Proceedings of the International Clay Conference Denver, 1985, Leonard G. Schultz, H. van Olphen, Frederick A. Mumpton
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Interaction between sepiolite and collagen has been studied using two different micronizing procedures for the sepiolite. Micronizing in the dry state yields shorter fibers than micronizing in the wet state. The adsorption of collagen was followed by ultraviolet-absorbance and measurement of the amino acid content of the protein-clay complexes. The interaction primarily involved the high molecular weight aggregates of the protein. A collagen-clay weight ratio of 0.4 was reached at pH ~4. The adsorption decreased with increasing ionic strength. A model is proposed wherein rod-shaped protein molecules are bound on the stepped surface of the sepiolite.
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Proceedings of the International Clay Conference Denver, 1985
The papers included in this proceedings volume are representative of the research on clays being conducted in all parts of the world at the time of publication. Many of the subjects treated are controversial, and although some ideas expressed may not necessarily represent the views of the editors, the referees, or the publisher, they deserve to be brought to the attention of the international clay community.