Fig. 7
SEM images of bacterial morphology for both S. aureus and E. coli after on various substrates (a), illustration scheme of potential anti-bacterial mechanisms of different substrates (b), FDA fluorescent images of living RAW264.7 cells and osteoblasts after culturing for 3d on various normal or presoak (samples were soaked for 3d in PBS solution before cells incubation) substrates (c), HE immunohistochemistry (red: endochylema; blue: nucleus) and CD68 fluorescence (red: CD68 protein; blue: nucleus) staining images of different implantations (d) [39]