Figure 5

The zone of inhibition for ZnO NSs for E. coli and S. aureus at different concentrations (0, 2.5, 5, 10, 50, and 100 μg/ml). The diameter of clear zone is shown in Table 2 and minimum inhibitory concentration (MIC) was observed to be 5 μg/mL for E. coli and 10 μg/mL for S. aureus.