Fig. 4From: The osteogenic differentiation of human dental pulp stem cells in alginate-gelatin/Nano-hydroxyapatite microcapsulesThe expression levels of osteogenic differentiation gens of hDPSCs grown on T-flask, Alg-Gel, and Alg-Gel-nHA microcapsules (a) after 21 days and (b) after 28 days. (*P< 0.05) and (**P< 0.01)Back to article page