Figure 8

(a) The percentage of cell viability of A549 and A375 cells after treatment with different doses of ZnO NSs (5 μg/ml 10 μg/ml, 50 μg/ml, 100 μg/ml) using MTT assay. (b) Live dead assay for A549 and A375 cells after treatment with different doses of ZnO NSs (10 μg/ml).