ArticlePloS one2014
The "Egg of Columbus" for making the world's toughest fibres.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Knots are not for naught: Design, properties, and topology of hierarchical intertwined microarchitected materials.Science advances · 2023Article
- Structural Characterization of Black Widow Spider Dragline Silk Proteins CRP1 and CRP4.Molecules (Basel, Switzerland) · 2020Article
- Tightening slip knots in raw and degummed silk to increase toughness without losing strength.Scientific reports · 2016Article
- Slip knots and unfastening topologies enhance toughness without reducing strength of silk fibroin fibres.Interface focus · 2016Article
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Authors and funding
1 author.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this letter we present the "Egg of Columbus" for making fibres with unprecedented toughness: a slider, in the simplest form just a knot, is introduced as frictional element to dissipate additional energy and thus demonstrating the existence of a previously "hidden" toughness. The proof of concept is experimentally realized making the world's toughest fibre, increasing the toughness modulus of a commercial Endumax macroscopic fibre from 44 J/g up to 1070 J/g (and of a zylon microfiber from 20 J/g up to 1400 J/g). The ideal upperbound toughness is expected for graphene, with a theoretical value of ∼10(5) J/g. This new concept, able of maximizing (one fold increment) the structural robustness, could explain the mysterious abundance of knot formations, in spite of their incremental energy cost and topological difficulty, in biological evolved structures, such as DNA strands and proteins.
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Registered trials
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