Figure 3From: Characterisation of the Binding Properties of Bacillus Thuringiensis 18 Toxin on Leukaemic CellsHeterologous competitive binding assays- biotinylated purified Bt 18 toxin versus crude Btj and crude Bt 22 toxins. Fixed concentration (7.41 nM) of biotinylated purified Bt 18 toxin was allowed to compete with various concentrations (0 nM to 59.26 nM) of crude Btj toxin and crude Bt 22 toxin separately for 1 hour at 37°C using CEM-SS cell line.Back to article page