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Cytocompatibility (OD, optical density) towards fibroblasts of (a) the scaffold components (GM: growth medium; P: pullulan; CS: chondroitin sulfate; CA: citric acid; CH: chitosan; Val: valinomycin) after 3 days (plain color) and 6 days (oblique line) of growth, and (b) of the scaffolds loaded with HNT or MMT after 3 days (plain colors), 6 days (oblique lines), and 10 days (spotted) of growth (b) (mean values ± SD; n = 8). Statistics: * = Mann–Whitney (Wilcoxon) W test p < 0.05.
