Designing Novel Interfaces via Surface Functionalization of Short-Chain-Length Polyhydroxyalkanoates

Figure 4

SEM images of P(3HB-co-4HB) copolymer fabricated by (a) salt and (b) NaHCO₃ as porogens. Arrows refer to the surface area and contour that formed rough microporous pore wall surface which is more favorable conditions for the evolution of cell populations.

(a)

(b)