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Covalent co-assembly between resilin-like polypeptide and peptide amphiphile into hydrogels with controlled nanostructure and improved mechanical properties

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Abstract

Covalent co-assembly holds great promise for the fabrication of hydrogels with controllable nanostructure, versatile chemical composition, and enhanced mechanical properties given its relative simplicity, high efficiency, and bond stability. This report describes our approach to designing functional multicomponent hydrogels based on photo-induced chemical interactions between an acrylamide-functionalized resilin-like polypeptide (RLP) and a peptide amphiphile (PA). Circular dichroism (CD) spectroscopy, electron microscopy, and amplitude sweep rheology were used to demonstrate that the co-assembled hydrogel systems acquired distinct structural conformations, tunable nanostructures, and enhanced elasticity in a PA concentration-dependent manner. We envisage the use of these materials in numerous biomedical applications such as controlled drug release systems, microfluidic devices, and scaffolds for tissue engineering.

Graphical abstract: Covalent co-assembly between resilin-like polypeptide and peptide amphiphile into hydrogels with controlled nanostructure and improved mechanical properties

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Publication details

The article was received on 05 Nov 2019, accepted on 14 Nov 2019 and first published on 19 Nov 2019


Article type: Paper
DOI: 10.1039/C9BM01796H
Biomater. Sci., 2020, Advance Article

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    Covalent co-assembly between resilin-like polypeptide and peptide amphiphile into hydrogels with controlled nanostructure and improved mechanical properties

    B. O. Okesola, H. K. Lau, B. Derkus, D. K. Boccorh, Y. Wu, A. W. Wark, K. L. Kiick and A. Mata, Biomater. Sci., 2020, Advance Article , DOI: 10.1039/C9BM01796H

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