Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 446040
Title Enhanced rigidity and rupture strength of composite hydrogel networks of bio-inspired block copolymers
Author(s) Rombouts, W.H.; Colomb-Delsuc, M.; Werten, M.W.T.; Otto, S.; Wolf, F.A. de; Gucht, J. van der
Source Soft Matter 9 (2013). - ISSN 1744-683X - p. 6936 - 6942.
Department(s) Physical Chemistry and Colloid Science
FBR Bioconversion
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) stereocomplex formation - biomedical applications - periodic polypeptides - reversible hydrogels - triblock copolymers - secreted production - actin networks - gels - polymers - proteins
Abstract We study self-assembled composite networks consisting of silk-like protein fibers dispersed in a soft gel matrix formed by collagen-like block copolymers. Rheological analysis shows that the composite networks have significantly higher storage moduli than either of the single networks. This is caused by bundling of the fibrils due to depletion attraction induced by the collagen-like polymers. Moreover, the soft background network significantly modifies the non-linear response of the fibrillar network; the strain-hardening disappears almost completely and the stress and strain at which the gel breaks increase strongly, resulting in tougher hydrogels.
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