Non-covalent protein-based adhesives for transparent substrates-bovine serum albumin vs. recombinant spider silk.
Adhesion
Beta sheet
Circular dichroism
Rheology
Secondary structure
Journal
Materials today. Bio
ISSN: 2590-0064
Titre abrégé: Mater Today Bio
Pays: England
ID NLM: 101757228
Informations de publication
Date de publication:
Jun 2020
Jun 2020
Historique:
received:
28
04
2020
revised:
23
06
2020
accepted:
26
06
2020
entrez:
23
7
2020
pubmed:
23
7
2020
medline:
23
7
2020
Statut:
epublish
Résumé
Protein-based adhesives could have several advantages over petroleum-derived alternatives, including substantially lower toxicity, smaller environmental footprint, and renewable sourcing. Here, we report that non-covalently crosslinked bovine serum albumin and recombinant spider silk proteins have high adhesive strength on glass (8.53 and 6.28 MPa, respectively) and other transparent substrates. Moreover, the adhesives have high visible transparency and showed no apparent degradation over a period of several months. The mechanism of adhesion was investigated and primarily attributed to dehydration-induced reorganization of protein secondary structure, resulting in the supramolecular association of β-sheets into a densely hydrogen-bonded network.
Identifiants
pubmed: 32695986
doi: 10.1016/j.mtbio.2020.100068
pii: S2590-0064(20)30028-4
pii: 100068
pmc: PMC7366031
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100068Subventions
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/M017702/1
Pays : United Kingdom
Informations de copyright
© 2020 The Authors.
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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