Figure 1From: Characterisation of the Binding Properties of Bacillus Thuringiensis 18 Toxin on Leukaemic CellsCell viability assay-comparing the effect of biotinylated and unlabelled purified Bt 18 toxin on CEM-SS. Both biotinylated purified Bt 18 toxin and the unlabelled toxin were incubated with CEM-SS cells at 37°C for 72 hours.Back to article page