Research Article

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

Figure 6

Effect of montmorillonite and kaolinite on the activity of purified LAP, LAP in red soil, and LAP in purple soil in the presence of 0, 4, and 10 μmol L-1 Cd.
(a) Montmorillonite-purified enzyme
(b) Montmorillonite-red soil
(c) Montmorillonite-purple soil
(d) Kaolinite-purified enzyme
(e) Kaolinite-red soil
(f) Kaolinite-purple soil