Cell viability and morphology at 24 h and 48 h: (a) Cell viability for Control and membranes at 24 h and 48 h; (b) cell morphology for Control at 24 h; (c) cell morphology for Control at 48 h; (d) cell morphology for CHI:GEL (1:1), ALP, GA at 24 h; (e) cell morphology for CHI:GEL (1:1), ALP, GA, 0.01% MgCl2 at 24 h; (f) cell morphology for CHI:GEL (1:1), ALP, GA, 0.1% MgCl2 at 24 h; (g) cell morphology for CHI:GEL (1:1), ALP, GA, 0.2% MgCl2 at 24 h; (h) cell morphology for CHI:GEL (1:1), ALP, GA at 48 h; (i) cell morphology for CHI:GEL (1:1), ALP, GA, 0.01% MgCl2 at 48 h; (j) cell morphology for CHI:GEL (1:1), ALP, GA, 0.1% MgCl2 at 48 h; and, (k) cell morphology for CHI:GEL (1:1), ALP, GA, 0.2% MgCl2 at 48 h. Scale bar: 50 µm.