Fig. 2From: Fabrication of chitosan-polyvinyl alcohol and silk electrospun fiber seeded with differentiated keratinocyte for skin tissue regeneration in animal wound modelSEM photograph (a, b, c) and normal size distribution (e, f, g) of nanofibers in different composition PVA (a, e), Ch-PVA (b, f), and Ch-PVA + Silk (c, g)Back to article page