Figure 5
The SEM images of human dermal fibroblasts cultured on a film sheet composed of random PHBV with 23% 3HV content; the surface of the film sheet (A) before cell cultivation, bar 100 μm; (B) after cell cultivation for one month, bar 100 μm; (C) the opposite side of the same film sheet after cell cultivation for one month, bar 10 μm; (D) the same film with human dermal fibroblast cells grown on the surface for one month, bar 10 μm.