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Elastic and pH responsive hybrid interfaces created with engineered resilin and nanocellulose
VTT Technical Research Centre of Finland Ltd.
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2017 (English)In: Biomacromolecules, ISSN 1525-7797, E-ISSN 1526-4602, Vol. 18, no 6, p. 1866-1873Article in journal (Refereed) Published
Abstract [en]

We investigated how a genetically engineered resilin fusion protein modifies cellulose surfaces. We characterized the pH-responsive behavior of a resilin-like polypeptide (RLP) having terminal cellulose binding modules (CBM) and showed its binding to cellulose nanofibrils (CNF). Characterization of the resilin fusion protein at different pHs revealed substantial conformational changes of the protein, which were observed as swelling and contraction of the protein layer bound to the nanocellulose surface. In addition, we showed that employment of the modified resilin in cellulose hydrogel and nanopaper increased their modulus of stiffness through a cross-linking effect.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2017. Vol. 18, no 6, p. 1866-1873
National Category
Engineering and Technology
Research subject
Biotechnology; Materials Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-212296DOI: 10.1021/acs.biomac.7b00294ISI: 000403387100019Scopus ID: 2-s2.0-85020718786OAI: oai:DiVA.org:kth-212296DiVA, id: diva2:1134020
Note

QC 20170821

Available from: 2017-08-17 Created: 2017-08-17 Last updated: 2017-08-21Bibliographically approved

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Publisher's full textScopushttp://pubs.acs.org/doi/abs/10.1021/acs.biomac.7b00294

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Koskela, Salla
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