Abstract

High osteoblast proliferation-based bioactive corrosion resistance of nano biocomposite (nanoHAP: nanoTiO2) coatings on 316L stainless steel (316L SS) is developed by electrophoretic deposition process (EPD) followed by vacuum sintering, and the surfaces were characterized. The electrochemical performances of the nano biocomposite coated samples were evaluated in Hank’s solution. The uniform distribution of coatings and the formation of a stable nano biocomposite–metal interface with improved corrosion resistance were obtained at a constant potential of 30 V and 1 min. Cytotoxicity and cell culture studies were carried out with MC3T3-E1 osteoblast cell indicating non-toxicity and a higher level of cell proliferation of coated samples. These studies proved the improved corrosion resistance with enhanced cell attachment and proliferation on the nano biocomposite coated samples thus producing it an ideal candidate for biomedical application.

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