Figure 8
Estimation of GI 50 of OC against promastigotes. Parasites (2 × 106 cells ml-1) were incubated with serial three-fold dilutions of OC (starting at 100 μg ml-1) for 96 h and viability was determined microscopically as described in Methods. Each point corresponds to the mean ± SE of triplicate samples and data is from one of three experiments.