ArticleScientific reports2022
Artificial and natural silk materials have high mechanical property variability regardless of sample size.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 51 citations in OpenAlex.
- Liquid-liquid phase separation enables chromatography-free purification and high-performance spidroin-amyloid hybrid silk fibers.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Design and Heterologous Production of Bagworm Silk-Inspired Proteins inComputational and structural biotechnology journal · 2026Article
- A design-of-experiments strategy for engineering 3D topographical features in osteosarcoma modelling.Materials today. Bio · 2025Article
- Form and function in biological filaments: a physicist's review.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2025Review
- Betel leaf-mediated zinc oxide nanoparticle-coated silk fibres: a sustainable approach for biomedical applications.RSC advances · 2025Article
- Elasticity Anisotropy ofBiomacromolecules · 2025Article
- Exploring the Unique Properties and Superior Schwann Cell Guiding Abilities of Spider Egg Sac Silk.ACS applied bio materials · 2025Article
- Fine Structural Analysis of Degummed Fibroin Fibers Reveals Its Superior Mechanical Capabilities.ChemSusChem · 2025Article
- Article
- Exploring the functional properties ofMaterials today. Communications · 2025Article
- Post-spin Stretch Improves Mechanical Properties, Reduces Necking, and Reverts Effects of Aging in Biomimetic Artificial Spider Silk Fibers.ACS applied polymer materials · 2024Article
- Modifying Naturally Occurring, Nonmammalian-Sourced Biopolymers for Biomedical Applications.ACS biomaterials science & engineering · 2024Review
- Article
- Development of mechanically-consistent coarse-grained molecular dynamics model: case study of mechanics of spider silk.Scientific reports · 2023Article
- Protein fibers with self-recoverable mechanical properties via dynamic imine chemistry.Nature communications · 2023Article
- Influence of experimental methods on the mechanical properties of silk fibers: A systematic literature review and future road map.Biophysics reviews · 2023Review
- Recombinant Spider Silk Fiber with High Dimensional Stability in Water and Its NMR Characterization.Molecules (Basel, Switzerland) · 2022Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Silk fibres attract great interest in materials science for their biological and mechanical properties. Hitherto, the mechanical properties of the silk fibres have been explored mainly by tensile tests, which provide information on their strength, Young's modulus, strain at break and toughness modulus. Several hypotheses have been based on these data, but the intrinsic and often overlooked variability of natural and artificial silk fibres makes it challenging to identify trends and correlations. In this work, we determined the mechanical properties of Bombyx mori cocoon and degummed silk, native spider silk, and artificial spider silk, and compared them with classical commercial carbon fibres using large sample sizes (from 10 to 100 fibres, in total 200 specimens per fibre type). The results confirm a substantial variability of the mechanical properties of silk fibres compared to commercial carbon fibres, as the relative standard deviation for strength and strain at break is 10-50%. Moreover, the variability does not decrease significantly when the number of tested fibres is increased, which was surprising considering the low variability frequently reported for silk fibres in the literature. Based on this, we prove that tensile testing of 10 fibres per type is representative of a silk fibre population. Finally, we show that the ideal shape of the stress-strain curve for spider silk, characterized by a pronounced exponential stiffening regime, occurs in only 25% of all tested spider silk fibres.
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