Table 1.

In vitro IC₅₀ values of CPO, DZO, PO, and MO for plasma and liver CaE and brain AChE

	Organophosphorus insecticide (nM)a
Tissue	CPO	DZO	PO	MO
Plasma (CaE)	33.7 ± 8.3	16.6 ± 4.2	18.7 ± 2.1	5976.0 ± 495
Liver (CaE)	4.3 ± 0.8	3.9 ± 0.6	1.1 ± 0.3	308.8 ± 29.2
Brain (AChE)	14.0 ± 1.9	96.9 ± 7.6	9.5 ± 1.3	74.6 ± 7.8

^aIC₅₀ values (mean ± SEM). Data from Jansen et al. (2009) with permission