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Protein interactions at solid surfaces
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
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1995 (English)In: Advances in Colloid and Interface Science, ISSN 0001-8686, E-ISSN 1873-3727, Vol. 57, 161-227 p.Article in journal (Refereed)
Abstract [en]

In this review article we discuss a large number of the studies of interactions between protein-coated surfaces that has been presented in the literature. We also demonstrate how to relate surface force data to results from other techniques in order to provide a more full picture of protein behaviour at interfaces. One aim of the article is to discuss the experimental procedure and the difficulties with surface force measurements in protein systems. It is particularly important to point out how the sensitivity of this technique differs from that of other techniques, e.g. in determining structural changes in adsorbed proteins and in detecting proteins adsorbed on top of an inner firmly bound layer. It is also important to realize which surface force data that cannot be easily compared with findings from other techniques (one example is the kinetics of adsorption and desorption). We have tried to group proteins into different classes depending on their size and structure, and to try to find results that are common within these classes. It was found that some observations for unordered proteins with amphiphilic character, and for the small compact proteins, appear consistently within the respective class. Hence, for these types of protein common features/principles of the interfacial behaviour are identified. The very large and flexible glycoproteins behave in a similar way to synthetic polymers, but we found it hard to draw any firm conclusions based on the surface force studies presented so far. Perhaps, the most complicated surface behaviour is observed for soft globular proteins that undergo large scale conformational changes upon adsorption and when the layers are held under a high compressive force.

Place, publisher, year, edition, pages
1995. Vol. 57, 161-227 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26282OAI: oai:DiVA.org:ri-26282DiVA: diva2:1053284
Note
A983Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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