ArticleNanomaterials (Basel, Switzerland)2020
Tensegrity Modelling and the High Toughness of Spider Dragline Silk.
Article in Nanomaterials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Precision Stress Engineering in Tensegrity-Inspired Nanoarchitectures Enabled by Size-Affected Shrinkage.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Progress in Multiscale Modeling of Silk Materials.Biomacromolecules · 2024Review
- Micro and nano-scale compartments guide the structural transition of silk protein monomers into silk fibers.Nature communications · 2022Article
- Spider Silk-Improved Quartz-Enhanced Conductance Spectroscopy for Medical Mask Humidity Sensing.Molecules (Basel, Switzerland) · 2022Article
- An Image-Analysis-Based Method for the Prediction of Recombinant Protein Fiber Tensile Strength.Materials (Basel, Switzerland) · 2022Article
- Multiscale Innovative Materials and Structures (MIMS).Nanomaterials (Basel, Switzerland) · 2021Article
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Authors and funding
6 authors.
Funding
Abstract
This work establishes a tensegrity model of spider dragline silk. Tensegrity systems are ubiquitous in nature, being able to capture the mechanics of biological shapes through simple and effective modes of deformation via extension and contraction. Guided by quantitative microstructural characterization via air plasma etching and low voltage scanning electron microscopy, we report that this model is able to capture experimentally observed phenomena such as the Poisson effect, tensile stress-strain response, and fibre toughness. This is achieved by accounting for spider silks' hierarchical organization into microfibrils with radially variable properties. Each fibril is described as a chain of polypeptide tensegrity units formed by crystalline granules operating under compression, which are connected to each other by amorphous links acting under tension. Our results demonstrate, for the first time, that a radial variability in the ductility of tensegrity chains is responsible for high fibre toughness, a defining and desirable feature of spider silk. Based on this model, a discussion about the use of graded tensegrity structures for the optimal design of next-generation biomimetic fibres is presented.
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