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A MTT assays for cell viability study of hDPSCs combined with PCEC-CS nanofibrous scaffolds with different n-HA and n-SiO2 contents cultured for 3, 7, and 12 days. The n-HA and n-SiO2 contents were biocompatible for hDPSCs and higher cell numbers were observed in treatment groups. *p < 0.05. B DAPI staining of hDPSCs cultured on electrospun scaffolds after 12 days of culture
