Representative immunofluorescence images of MBMMCs stained for F4/80 (All, green), CD206 (M2, red) and CD68 (M1, rose) on the surface of uncoated and (rhCol III/PDA-PEI) n -coated PLA sheets ( n = 1, 2, and 4) after 3 days of incubation at 37 °C. Scale bars, 100 μm.
