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Detection of HDPSCs survival rates, plated on WPC enriched by ZrO2 and ZnO particles over a period of 21 days. In all the groups, except for WPC + ZnO NPs, an increased cell survival rate was evident. On day 21, the cell viability index in cells from the WPC + ZnO NP group was similar to the control group. These data showed that WPC substrate enriched by ZrO2 and ZnO particles was suitable for the expansion and culture of HDPSCs
