Impact of physio-chemical spinning conditions on the mechanical properties of biomimetic spider silk fibers

Benjamin Schmuck; Gabriele Greco; Fredrik G. Bäcklund; Nicola M. Pugno; Jan Johansson; Anna Rising

doi:10.1038/s43246-022-00307-6

Communications Materials (Nov 2022)

Impact of physio-chemical spinning conditions on the mechanical properties of biomimetic spider silk fibers

Benjamin Schmuck,
Gabriele Greco,
Fredrik G. Bäcklund,
Nicola M. Pugno,
Jan Johansson,
Anna Rising

Affiliations

Benjamin Schmuck: Department of Biosciences and Nutrition, Karolinska Institutet
Gabriele Greco: Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural, Sciences
Fredrik G. Bäcklund: Department of Biosciences and Nutrition, Karolinska Institutet
Nicola M. Pugno: Laboratory of Bio-Inspired, Bionic, Nano, Meta, Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento
Jan Johansson: Department of Biosciences and Nutrition, Karolinska Institutet
Anna Rising: Department of Biosciences and Nutrition, Karolinska Institutet

DOI: https://doi.org/10.1038/s43246-022-00307-6
Journal volume & issue: Vol. 3, no. 1
pp. 1 – 12

Abstract

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The mechanical properties of spider silk are known to be dependent on spinning conditions. Here, the tensile behavior of over 1000 biomimetic spider silk fibers spun under 92 different conditions are tested, resulting in a yield strength of more than 250 MPa.

Published in Communications Materials

ISSN: 2662-4443 (Online)
Publisher: Nature Portfolio
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://www.nature.com/commsmat/

About the journal