Environmentally relevant concentrations of microplastic exhibits negligible impacts on thiacloprid dissipation and enzyme activity in soil.
作者： Zhenlan Xu , Xiaoting Qian , Chao Wang , Chunrong Zhang , Tao Tang
DOI: 10.1016/J.ENVRES.2020.109892
关键词:
摘要: Microplastics (MPs) as a type of emerging contaminant in the environment have attracted extensive attentions recent years, and understanding impacts MPs on soil biodiversity functioning are thus increasingly urgent. Nevertheless, few studies were performed to investigate potential effects decay organic pollutants particular pesticides enzyme activities. Herein, three types including polystyrene fragments (PS-50) polyvinyl chloride beads (PVC-42000 PVC-10) added at environmentally relevant concentrations (0.2 1.0%) study their dissipation thiacloprid activities urease, acid phosphatase, invertase catalase. exhibited negligible regardless content, being probably attributed unaltered bioavailability even after an addition MPs, which was documented by using hydroxypropyl-β- cyclodextrin (HPCD) extraction method. Batch sorption experiments also comparable adsorption capacity with without along Kf valuses 3.44-3.77. Besides, exerted soil. Taken together, this showed activity, expanding our knowledge pesticide
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