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Adsorption of plasma proteins on hydrophobic surfaces. II. Fibrinogen and fibrinogen-containing protein mixtures

✍ Scribed by Bagnall, Robert David

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
876 KB
Volume
12
Category
Article
ISSN
0021-9304

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✦ Synopsis

Abstract

The adsorption of fibrinogen from single solution and from mixed solution with albumin and γ‐globulin has been followed at the air–buffer, isooctane–buffer, and methylene iodide–buffer interfaces by the pendant drop technique. Fibrinogen is shown to form substantial coherent films on isooctane and methylene iodide, suggesting considerable unfolding and lateral association. From this, a novel hypothesis has been proposed to account for the dominance of fibrinogen adsorption from mixed solutions on certain hydrophobic surfaces, in which the spreading pressure of rapidly unfolding fibrinogen molecules is sufficient to desorb other plasma proteins.

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