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Calcium deposition of osteoblast following 15 days in osteogenic media in the CHI-100, CHI-90, and CHI-80 scaffolds. The values represent mean ± standard deviation, n = 4. ∗indicates p < 0.05; ∗∗indicated p < 0.001 vs. PEG-100 and PEG-90; PEG-100 and PEG-80.
