Fig. 3From: The osteogenic differentiation of human dental pulp stem cells in alginate-gelatin/Nano-hydroxyapatite microcapsulesMTT assay results for Alg/Gel and Alg/Gel/nHA microcapsules after 7, 14, and 21 days (*P< 0.05) and (**P< 0.01)Back to article page