Abstract
It is observed that articular cartilage damage is an increasing problem across the globe. Poly 2-hydroxyethyl methacrylate (pHEMA) hydrogels are promising implants for ersatz articular cartilage due to their similar tissue properties. However the major obstacle to their use as replacing articular cartilage is their poor mechanical properties. By the development of composite hydrogels with hydroxylapatite (HA) nano fillers the lack properties may overcome. The purpose of this study is to describe mechanical properties of composite hydrogels for replacement of cartilage. Therefore with different percentages of HA nano fillers the hydrogels (pHEMA/HA) were prepared by cast drying method. Mechanical properties of composite hydrogels are studied with reciprocating sliding tribo-tester and the porous nature is investigated by SEM. By the results it is observed that mechanical properties of composite hydrogels are improved by adding hydroxylapatite nano fillers.
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