Research Article

Preparation of P3HB4HB/(Gelatin + PVA) Composite Scaffolds by Coaxial Electrospinning and Its Biocompatibility Evaluation

Figure 9

Observation of hBMSCs-P3HB4HB/(GEL + PVA) under electron microscope after in vitro culture for 7 days. (a) GEL : PVA = 0.6 g : 0.2 g; (b) GEL : PVA = 0.4 g : 0.4 g; (c) GEL : PVA = 0.2 g : 0.6 g.
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