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Cytocompatibility and adhesion of MG63 cells. (a) Mitochondrial activity of cells cultured in dilutions of eluates of chitosan/Na-β-GP (Ch Na) and chitosan/Na-β-GP/Mg-GP (Ch Na/Mg) hydrogels. Mean values (n = 3) error bars show standard deviation; (b) Live-Dead staining of cells cultured directly on hydrogels after 2 and 4 days.
