Fig. 4From: Role of offset and gradient architectures of 3-D melt electrowritten scaffold on differentiation and mineralization of osteoblastsALP activity of osteoblasts in osteogenic (a) and basal (b) medium seeded on PCL scaffolds with various porous structures for 3, 14, and 30 days; ns: non-significant; *: significant versus other scaffolds at the same time point (p < 0.01)Back to article page