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. 2021 Mar 5;13(5):797. doi: 10.3390/polym13050797

Figure 6.

Figure 6

Osteogenic differentiation on the scaffolds (a) Calcium deposition visualized by alizarin red S staining after 10 and 20 days of incubation on the scaffolds. (b) Quantification demonstrated a significantly higher amount of alizarin red S staining in the PDLSCs differentiated on scaffolds. (c) Result of alkaline phosphatase (ALP) assay after 1 day and 4 days. Error bars in Figure 6a,b indicate standard errors. Same letters indicate that there is no significant difference between samples.