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A cartilage-inspired lubrication system

Greene, George Warren, Olszewska, Anna, Osterberg, Monika, Zhu, Haijin and Horn, Roger 2014, A cartilage-inspired lubrication system, Soft matter, vol. 10, no. 2, pp. 374-382.

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Title A cartilage-inspired lubrication system
Author(s) Greene, George Warren
Olszewska, Anna
Osterberg, Monika
Zhu, Haijin
Horn, Roger
Journal name Soft matter
Volume number 10
Issue number 2
Start page 374
End page 382
Total pages 9
Publisher Royal Society of Chemistry
Place of publication London, England
Publication date 2014
ISSN 1744-683X
1744-6848
Keyword(s) Artificial cartilage
Cartilage
Biotribology
tribology
friction
Lubrication
Wear
Biomaterials
Biomimetics
Summary Articular cartilage is an example of a highly efficacious water-based, natural lubrication system that is optimized to provide low friction and wear protection at both low and high loads and sliding velocities. One of the secrets of cartilage's superior tribology comes from a unique, multimodal lubrication strategy consisting of both a fluid pressurization mediated lubrication mechanism and a boundary lubrication mechanism supported by surface bound macromolecules. Using a reconstituted network of highly interconnected cellulose fibers and simple modification through the immobilization of polyelectrolytes, we have recreated many of the mechanical and chemical properties of cartilage and the cartilage lubrication system to produce a purely synthetic material system that exhibits some of the same lubrication mechanisms, time dependent friction response, and high wear resistance as natural cartilage tissue. Friction and wear studies demonstrate how the properties of the cellulose fiber network can be used to control and optimize the lubrication and wear resistance of the material surfaces and highlight what key features of cartilage should be duplicated in order to produce a cartilage-mimetic lubrication system.
Language eng
Field of Research 091309 Tribology
090301 Biomaterials
030603 Colloid and Surface Chemistry
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2014, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30058684

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.