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- Title
Enantioselective Inhibition of Dichlorprop on Catalase.
- Authors
Ma, Yun; Jiang, Jihong; Xu, Chao; Lu, Xianting
- Abstract
The enantioselectivity interaction of 2,4-dichlorprop (DCPP) and catalase were studied, and it was further evaluated with the presence of humus. Both of rac-DCPP and R-DCPP can inhibit the activity of catalase with the concentrations of 0.05-80 mg L, the inhibitory type of rac-DCPP was uncompetitive, and of R-DCPP was complex. The presence of humic acid has changed the inhibitory ability of DCPP on catalase, the inhibition of rac-DCPP disappeared and the inhibition type of R-DCPP mainly became uncompetitive. These results suggest that inhibition of chiral DCPP on catalase is enantioselective.
- Subjects
DICHLORPROP; ENANTIOSELECTIVE catalysis; CATALASE; HUMUS; HUMIC acid
- Publication
Bulletin of Environmental Contamination & Toxicology, 2012, Vol 89, Issue 5, p945
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-012-0815-4