Elastic and pH-Responsive Hybrid Interfaces Created with Engineered Resilin and Nanocellulose | Zendy

Wenwen Fang | Zendy; Arja Paananen | Zendy; Marika Vitikainen | Zendy; Salla Koskela | Zendy; Ann WesterholmParvinen | Zendy; Jussi J. Joensuu | Zendy; Christopher P. Landowski | Zendy; Merja Penttilä | Zendy; Markus B. Linder | Zendy; Päivi Laaksonen | Zendy

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Elastic and pH-Responsive Hybrid Interfaces Created with Engineered Resilin and Nanocellulose

Author(s) -

Wenwen Fang,

Arja Paananen,

Marika Vitikainen,

Salla Koskela,

Ann WesterholmParvinen,

Jussi J. Joensuu,

Christopher P. Landowski,

Merja Penttilä,

Markus B. Linder,

Päivi Laaksonen

Publication year - 2017

Publication title -

biomacromolecules

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.689

H-Index - 220

eISSN - 1526-4602

pISSN - 1525-7797

DOI - 10.1021/acs.biomac.7b00294

Subject(s) - nanocellulose , cellulose , swelling , chemistry , silk , materials science , nanofiber , chemical engineering , polymer chemistry , biophysics , nanotechnology , composite material , biochemistry , engineering , biology

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.

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