With great structure comes great functionality: Understanding and emulating spider silk

Brown, Cameron P., Whaite, Alessandra D., MacLeod, Jennifer M., Macdonald, Joanne, & Rosei, Federico (2015) With great structure comes great functionality: Understanding and emulating spider silk. Journal of Materials Research, 30(01), pp. 108-120.

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Abstract

The overarching aim of biomimetic approaches to materials synthesis is to mimic simultaneously the structure and function of a natural material, in such a way that these functional properties can be systematically tailored and optimized. In the case of synthetic spider silk fibers, to date functionalities have largely focused on mechanical properties. A rapidly expanding body of literature documents this work, building on the emerging knowledge of structure–function relationships in native spider silks, and the spinning processes used to create them. Here, we describe some of the benchmark achievements reported until now, with a focus on the last five years. Progress in protein synthesis, notably the expression on full-size spidroins, has driven substantial improvements in synthetic spider silk performance. Spinning technology, however, lags behind and is a major limiting factor in biomimetic production. We also discuss applications for synthetic silk that primarily capitalize on its nonmechanical attributes, and that exploit the remarkable range of structures that can be formed from a synthetic silk feedstock.

Impact and interest:

3 citations in Scopus
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3 citations in Web of Science®

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ID Code: 89973
Item Type: Journal Article
Refereed: Yes
DOI: 10.1557/jmr.2014.365
ISSN: 2044-5326
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 Materials Research Society
Deposited On: 04 Apr 2016 03:40
Last Modified: 04 Apr 2016 21:00

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