Table 1.

Reactivation ability of five oximes to reactivate OP-inhibited human erythrocyte AChE, at concentrations 10⁻⁴ M and 10⁻⁵ M (%, mean value of three independent determinations; time of reactivation 10 min; pH 7.4; temperature 25 °C).

AChE	Paraoxon [17]				Dichlorvos				DFP [18]				Leptophos-oxon [19]				Methamidophos
	100 μM		10 μM		100 μM		10 μM		100 μM		10 μM		100 μM		10 μM		100 μM		10 μM
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Methoxime	23.4	4.5	4.3	1.5	0	0	0.2	0.6	6.4	0.5	1.5	0.5	52.6	0.5	11.9	0.9	61.7	2.4	68.1	11.4
Pralidoxime	18.1	0.9	1.3	0.9	2.6	0.6	0.2	0.6	2.3	0.2	0	0	13.2	0.9	4.1	1.3	53.4	3.1	53.8	22.6
Obidoxime	96.8	0.9	59.4	0.9	0	0	0.6	0.1	17.1	0.1	7.4	0.5	50.3	0.9	31.4	0.2	5.8	4.8	57.0	18.7
Trimedoxime	86.0	1.6	45.3	0.8	0	0	0	0	23.8	0.2	6.4	0.2	51.3	0.5	26.4	2.7	9.4	7.5	53.1	10.9
HI-6	16.1	0.2	3.9	0.9	0	0	0.6	1.1	0	0	0	0	32.8	8.0	11.6	0.4	37.4	12.3	75.2	14.6