Research Article

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

Figure 2

Surface roughness of the P3HB4HB/(GEL + PVA) scaffolds. (a) Roughness profile (); (b) roughness height (); (c) distance between contour peak line and contour bottom line (). 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. .
(a)
(b)
(c)