Research Article

PLGA/Nano-ZnO Composite Particles for Use in Biomedical Applications: Preparation, Characterization, and Antimicrobial Activity

Figure 6

Viability of HepG2 cells treated with ZnO nanoparticles or PLGA/nano-ZnO for 24 h. The data are presented as mean values of six replicates from two independent experiments ±SEM. : statistically significant difference compared to the control (0% w/v), .