Macro- and nano-tribological characterisation of a new HEMA hydrogel for articular cartilage replacement

L. Bostan, A.-M. Sfarghiu Trunfio, L. Verestiuc, M.I. Popa, F. Munteanu and Y. Berthier

Computer Methods in Biomechanics and Biomedical Engineering, 2010, vol. 13, issue S1, 33-35

Abstract: The objective of this study is to compare the tribological characteristic at macro- and nano-scale between the hydrogels based on hydroxylethyl methacrylate (HEMA) in articular cartilage. This study shows that the mechanical and tribological properties are similar at the nano- and macro-scale, irrespective of whether the surface roughness is small (a few tens of nm – peak-to-peak roughness atomic force microscope). HEMA hydrogel with 5% acrylic acid (AA) has the mechanical and tribological properties similar to articular cartilage. Therefore, the HEMA 5% AA hydrogel could be used as cartilage replacement in the treatment of joint diseases.

Date: 2010
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DOI: 10.1080/10255842.2010.491945

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