Cefazolin/BMP-2-Loaded Mesoporous Silica Nanoparticles for the Repair of Open Fractures with Bone Defects

Figure 4

BMSC viability assessment. (a–c) DIC image of BMSCs in the control, PLGA, and MSN groups on day 7. (d–f) Anti-Ki67 expression pattern in the control, PLGA, and MSN groups on the 7th day.