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Next generation protein-based materials capture and preserve projectiles from supersonic impacts

Jack A. Doolan, Luke S. Alesbrook, Karen B. Baker, Ian R. Brown, George T. Williams, Jennifer R. Hiscock, View ORCID ProfileBenjamin T. Goult
doi: https://doi.org/10.1101/2022.11.29.518433
Jack A. Doolan
1School of Biosciences, University of Kent, Canterbury, UK
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Luke S. Alesbrook
2School of Chemistry and Forensic Science, University of Kent, Canterbury, UK
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Karen B. Baker
1School of Biosciences, University of Kent, Canterbury, UK
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Ian R. Brown
1School of Biosciences, University of Kent, Canterbury, UK
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George T. Williams
2School of Chemistry and Forensic Science, University of Kent, Canterbury, UK
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Jennifer R. Hiscock
2School of Chemistry and Forensic Science, University of Kent, Canterbury, UK
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  • For correspondence: B.T.Goult@kent.ac.uk J.R.Hiscock@kent.ac.uk
Benjamin T. Goult
1School of Biosciences, University of Kent, Canterbury, UK
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  • ORCID record for Benjamin T. Goult
  • For correspondence: B.T.Goult@kent.ac.uk J.R.Hiscock@kent.ac.uk
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Abstract

Extreme energy dissipating materials are essential for a range of applications. The military and police force require ballistic armour to ensure the safety of their personnel, while the aerospace industry requires materials that enable the capture, preservation and study of hypervelocity projectiles. However, current industry standards display at least one inherent limitation. To resolve these limitations we have turned to nature, utilising proteins that have evolved over millennia to enable effective energy dissipation. Specifically, a recombinant form of the mechanosensitive protein talin was incorporated into a monomeric unit and crosslinked, resulting in the production of the first reported example of a talin shock absorbing material (TSAM). When subjected to 1.5 km/s supersonic shots, TSAMs were shown not only to absorb the impact, but to capture/preserve the projectile, making TSAMs the first reported protein material to achieve this.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted November 29, 2022.
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Next generation protein-based materials capture and preserve projectiles from supersonic impacts
Jack A. Doolan, Luke S. Alesbrook, Karen B. Baker, Ian R. Brown, George T. Williams, Jennifer R. Hiscock, Benjamin T. Goult
bioRxiv 2022.11.29.518433; doi: https://doi.org/10.1101/2022.11.29.518433
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Next generation protein-based materials capture and preserve projectiles from supersonic impacts
Jack A. Doolan, Luke S. Alesbrook, Karen B. Baker, Ian R. Brown, George T. Williams, Jennifer R. Hiscock, Benjamin T. Goult
bioRxiv 2022.11.29.518433; doi: https://doi.org/10.1101/2022.11.29.518433

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