Figure 3: Coumaphos oxon potently inhibits AChE.
From: Cholinergic pesticides cause mushroom body neuronal inactivation in honeybees

Mean (±s.e.m.) AChE activity measured in honeybee brain (n=3) and rat brain (n=3) by the Ellman assay, showing inhibition by coumaphos oxon but little effect of coumaphos. AChE activity was normalized to control measurements; IC50 values were obtained from Hill equation fits of the data.