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Sequential Adsorption of Human Serum Albumin (HSA), Immunoglobulin G (IgG), and Fibrinogen (Fgn) at HMDSO Plasma Polymer Surfaces



Sequential Adsorption of Human Serum Albumin (HSA), Immunoglobulin G (IgG), and Fibrinogen (Fgn) at HMDSO Plasma Polymer Surfaces



Journal of Colloid and Interface Science 193(1): 88-95



The sequential adsorption of human serum albumin (HSA), immunoglobulin G (IgG), and fibrinogen (Fgn) at hexamethyldisiloxane (HMDSO) plasma polymer surfaces was investigated with ellipsometry and total internal reflection fluorescence spectroscopy (TIRF) as a function of adsorption time, pH, and excess electrolyte concentration. HSA was found to self-exchange very slowly ( approximately hours) at pH 7.2, irrespective of adsorption time in the range 90 s to 90 min. Preadsorbed HSA was exchanged by Fgn and IgG only to a limited extent irrespectively of pH (5

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Accession: 047340745

Download citation: RISBibTeXText

PMID: 9299092

DOI: 10.1006/jcis.1997.5039


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