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Methods for Silk Property Analyses across Structural Hierarchies and Scales

journal contribution
posted on 2023-03-27, 23:08 authored by SJ Blamires, A Rawal, AD Edwards, JL Yarger, S Oberst, Ben AllardyceBen Allardyce, Rangam RajkhowaRangam Rajkhowa
Silk from silkworms and spiders is an exceptionally important natural material, inspiring a range of new products and applications due to its high strength, elasticity, and toughness at low density, as well as its unique conductive and optical properties. Transgenic and recombinant technologies offer great promise for the scaled-up production of new silkworm- and spider-silk-inspired fibres. However, despite considerable effort, producing an artificial silk that recaptures the physico-chemical properties of naturally spun silk has thus far proven elusive. The mechanical, biochemical, and other properties of pre-and post-development fibres accordingly should be determined across scales and structural hierarchies whenever feasible. We have herein reviewed and made recommendations on some of those practices for measuring the bulk fibre properties; skin-core structures; and the primary, secondary, and tertiary structures of silk proteins and the properties of dopes and their proteins. We thereupon examine emerging methodologies and make assessments on how they might be utilized to realize the goal of developing high quality bio-inspired fibres.

History

Journal

Molecules

Volume

28

Pagination

2120-2120

Location

Switzerland

ISSN

1420-3049

eISSN

1420-3049

Language

en

Issue

5

Publisher

MDPI AG