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SEM images of UG(B) scaffolds seeded with hADMSCs, depicting the adhesion and spreading of hADMSCs inside the porous structure of the scaffolds after 21 days culture in osteogenic differentiation medium. (a) UG(B)3:7; (b) UG(B)5:5; and (c) magnification of UG(B)5:5 showing the changing morphology of hADMSCs towards osteogenic differentiation.
