Fig. 15From: Biocompatible Ti3Au–Ag/Cu thin film coatings with enhanced mechanical and antimicrobial functionalityMorphological changes of L929 mouse fibroblast cells following 72 h of incubation with a Cu substrate (positive control), b Ti substrate (negative control) c SCu1, d SCu4, e SAg1 and f SAg4 Ti3Au thin film extracts, obtained after 168 h of ion leaching. Images acquired using an inverted Kern microscope with attached digital camera and 10X lensBack to article page