Fig. 4From: Fabrication of chitosan-polyvinyl alcohol and silk electrospun fiber seeded with differentiated keratinocyte for skin tissue regeneration in animal wound modelAnalysis of resultant PVA, Ch-PVA, Ch-PVA + Silk fiber mats. a wettability, (b) contact angle, (Vertical bars: standard deviations; StDev, n = 4)Back to article page