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. 2021 Aug 16;16:5603–5619. doi: 10.2147/IJN.S321387

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© 2021 Shi et al.

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Growth and expansion of MSCs embedded in HAP-SN nanocomposite hydrogel. (A–B) Absorbance rate by CCK-8 assay of the GelMA-based hydrogels with various HAP or SN concentrations, respectively. (C) Cell viability labeled by live-dead assay and spreading behavior by DAPI (blue)- phalloidin (red) on Day 3 in the GelMA-based hydrogels demonstrated. (D) Quantification of cell viability and spreading area by ImageJ. *P < 0.05 indicates statistical difference.