Figure 4. The effect of different alloys extracts on the migration ability of U2OS cells.
(a) Mg-1Ca-0.5Sr-2Zn; (b) Mg-1Ca-0.5Sr-4Zn; (c); Mg-1Ca-0.5Sr-6Zn; (d) Mg-1Ca-0.5Sr; (e) Ti-6Al-4V control; (f) denuded areas of the scratched gaps after incubated in the extract for 24 h. *compared to the control group (Ti-6Al-4V), three symbols, p < 0.001.