Fig. 1From: Direct comparison of 3D and 2D cultivation reveals higher osteogenic capacity of elderly osteoblasts in 3DComparison of ALP activity and alizarin red staining (mineralization) of 2D versus 3D cultures in advanced donor-age osteoblasts after an observation period of 14 days. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001Back to article page