Fabrication and characterization of antibacterial and bioactive coatings for orthopaedic applications
Supervisors: Muhammad Asim Akhtar, Prof. Aldo R. Boccaccini
Biomedical coatings exhibiting bioactivity and antibacterial properties are receiving increasing attention to enhance the surface properties of metallic implants . The antibacterial properties of implants are of great importance today, in particular research being carried out to reduce the usage of antibiotics and thus to slow down the build-up of bacterial resistance. This project is developing and characterizing polymer-bioactive glass composite coatings for implants. Antibacterial properties can be achieved through biopolymers doped with metal ions that are released in a controlled manner. The bioactive properties are achieved through incorporation of bioactive glass particles. As it is well-known, bioactive glasses create a bonelike apatite layer on the implant surface and the ions released by the degradation of bioactive glasses induce osteoconductivity to form optimal conditions for osteointegration. Electrophoretic deposition (EPD), as a versatile and simple room-temperature technique, is being applied to deposit such composite coatings .
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