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. 2019 Jul 16;14:5355–5368. doi: 10.2147/IJN.S210136

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© 2019 Mousavi et al.

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SiO₂ NPs (up to 200 μg/mL) decrease the viability of hMSCs. The cells were incubated with varying concentrations of SiO₂ NPs for 24 hrs before MTT assay was carried out. *P<0.05 compared to the control group.