Clay Minerals Change the Toxic Effect of Cadmium on the Activities of Leucine Aminopeptidase

Table 4

Changes in the kinetic constants ( and ) of montmorillonite-immobilized LAP and kaolinite-immobilized LAP with 0, 4, and 10 μmol L^-1 Cd contamination.

	Montmorillonite-immobilized enzyme			Kaolinite-immobilized enzyme
	0 μmol L^-1Cd	4 μmol L^-1Cd	10 μmol L^-1Cd	0 μmol L^-1Cd	4 μmol L^-1Cd	10 μmol L^-1Cd
	22.19^A	18.93^A	15.73^A	20.52^A	21.60^A	24.49^A
	74.42^a	72.44^a	88.65^a	76.53^a	93.19^a	83.68^a
	0.98	0.98	0.99	0.99	0.99	0.99