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. 2023 Feb 8;25:239–255. doi: 10.1016/j.bioactmat.2023.01.024

Fig. 1.

Fig. 1

Characterization of Sr-MBGNs and Sr-MBGNs incorporated 3D-printed scaffolds. a) TEM and SEM characterization of Sr-MBGNs; b) ICP characterization of the Sr, Ca, and Si ions released by the 3D-printed scaffolds at 1 d, 3 d 7 d, and 14 d after incubation in high glucose DMEM; c) SEM characterization of the 3D-printed GelMA hydrogel scaffolds incorporated with Sr-MBGNS; d) Mineralization of scaffolds after incubation with DMEM (high glucose) for 14 days and the formation of CaP and HA as observed in the transaction region by SEM; e) XRD patterns confirmation of the formation of CaP and HA during the mineralization process (scaffold incubate in SBF for 14d); f) EDS analysis of the formation of CaP and HA during SEM analysis of the mineralization on the scaffold; g) Swelling behaviors of the 3D-printed hydrogel scaffolds; h) degradation behavior of the 3D-printed hydrogel scaffolds; i) Compression stress-strain curve of the scaffolds; j) Compression strength and Young's modulus of the scaffolds.