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J R Soc Interface. 2013 Feb;10(79):20120759. doi: 10.1098/rsif.2012.0759.

Adhesion of mussel foot proteins to different substrate surfaces.

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1
Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada.

Abstract

Mussel foot proteins (mfps) have been investigated as a source of inspiration for the design of underwater coatings and adhesives. Recent analysis of various mfps by a surface forces apparatus (SFA) revealed that mfp-1 functions as a coating, whereas mfp-3 and mfp-5 resemble adhesive primers on mica surfaces. To further refine and elaborate the surface properties of mfps, the force-distance profiles of the interactions between thin mfp (i.e. mfp-1, mfp-3 or mfp-5) films and four different surface chemistries, namely mica, silicon dioxide, polymethylmethacrylate and polystyrene, were measured by an SFA. The results indicate that the adhesion was exquisitely dependent on the mfp tested, the substrate surface chemistry and the contact time. Such studies are essential for understanding the adhesive versatility of mfps and related/similar adhesion proteins, and for translating this versatility into a new generation of coatings and (including in vivo) adhesive materials.

PMID:
23173195
PMCID:
PMC3565691
DOI:
10.1098/rsif.2012.0759
[Indexed for MEDLINE]
Free PMC Article
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