한빛사 논문
Qingye Lu1, Eric Danner4, J. Herbert Waite3,4, Jacob N. Israelachvili2,3, Hongbo Zeng1,* and Dong Soo Hwang5,*
1Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2V4
2Department of Chemical Engineering, 3Materials Research Laboratory, and 4Department of Molecular, Cell and Developmental Biology, University of California, Santa Barbara, CA 93106, USA
5POSTECH Ocean Science and Technology Institute, School of Environmental Science and Engineering, Pohang University of Science and Technology, Hyoja-Dong, Nam-Gu, Pohang, Gyeongbuk 790784, Korea
*Corresponding author
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.
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