Research Article

In Vitro Uptake of Hydroxyapatite Nanoparticles and Their Effect on Osteogenic Differentiation of Human Mesenchymal Stem Cells

Figure 8

Release of calcium ions from 10 μg/ml of S50, S100, and S150 in DPBS at 37°C for 7 days. Values are expressed as mean ± SD ( for each sample). compared to the control group (hMSCs without HA NP treatment). comparison between S50 group, S100 group, and S150 group.