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Physicochemical characterization of PLGA/ECM/Mg(OH)2 scaffolds. (a) SEM images of microporous scaffolds (×100, scale bar = 300 μm; and ×1000 magnification, scale bar = 30 μm). (b) Water contact angles and (c) DSC curves of the PLGA-based matrix with Mg(OH)2 and ECM additives. (d) pH changes and (e) mass loss in scaffolds during in vitro degradation at 37 °C for 42 days (n = 4).
