Figure 4.
The dose-dependent cytotoxicities of (A) F-AgNPs treated A549 cells, (B) methotrexate (MTX) treated A549 cells, (C) F-AgNPs treated BEAS-2B cells, and (D) methotrexate (MTX) treated BEAS-2B cells, were evaluated after 24 h of incubation at 37 °C via MTT assay. Every datum shown is the mean ± SD of three experiments.