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SEM images of the surface microstructures. (A and B: P0, C and D: P2, E and F: P4, G and H: P8).
Notes: P2, P4, or P8 represents the PLGA scaffold coated by MBG precursor solution for 2, 4, or 8 times, respectively. P0 represents the unmodified PLGA scaffold.
Abbreviations: SEM, scanning electron microscopy; MBG, mesoporous bioactive glass; PLGA, poly(lactic-co-glycolic acid).
