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. 2021 Mar 19;6(10):3411–3423. doi: 10.1016/j.bioactmat.2021.03.006

Fig. 2.

Fig. 2

Preparation and characterization of MMSs. (a) Schematic diagram of the MMSs fabrication process. (b) SEM showed that micropores distributed on the surface and in the interior of the MMSs. (c) BET results indicated that the pore diameters of MMSs mainly ranged from 2–60 nm. (d) The elemental mapping results displayed two distribution areas: Ca–P and Mg–Si–O. (e) XRD patterns showed that the main phase of MMSs was MgO, and the secondary phases were Ca7Mg2P6O24 and Mg2SiO4 compared with JCPDS#45–0946, JCPDS#20–0348, and JCPDS#34–0189, which corresponded to MgO, Ca7Mg2P6O24, and Mg2SiO4, respectively.