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Bioactivity of bioglass (a) SEM images of GB0.5%, GB1.5%, and GB2.5% cryogels after immersing in SBF solution for seven days. Black arrow represents formed hydroxyapatite; scale bar = 1 μm; (b) EDS mapping of GB2.5%; (c) XRD of G, GB0.5%, GB1.5%, and GB2.5% cryogels.
