Electrophoretic deposition of tetracycline modified silk fibroin coatings for functionalization of titanium surfaces

•Silk fibroin was decorated with tetracycline in aqueous solution to impart positive charge.•Cationic silk fibroin was deposited on titanium substrate as cathode via electrophoretic deposition.•Osteoblast-like cells achieved acceptable cell affinity on the cationic silk fibroin coatings.•Tetracycline was responsible for the antibacterial activity of cationic silk fibroin coatings.