Figure 1.

In vitro cytotoxicity activity determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide test. Vero cells were cultured in 96-well plates in the presence of control, different concentrations of (a) artemether (from 100 to 5 μg/ml) or (b) sulfadiazine (from 200 to 1.56 μg/ml) for 24 h. The results were expressed as viability percent cells in relation with the control. There are statistical differences with control group (P < 0.05)