期刊
POLYHEDRON
卷 190, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2020.114752
关键词
MOFs; Jinggangmycin; Avermectin; Pesticide loading; Pesticide release; Biological activity
资金
- National Natural Science Foundation of China/Regional Science Foundation [21965038]
- Applied Basic Research Program of Yunnan Province/General Projects of Basic Research [2019FB024]
The ligands of (E)-bis(p-3-nitrobenzoic acid) vinyl (C16H10N2O8) were synthesized in three steps, and then the MOF-Zn-2(EBNB)(2)(BPY)(2)center dot 2H(2)O was synthesized by solvothermal method. This structure was characterized by X-ray single crystal diffraction, SEM and TG. The pesticide loading and release of Zn-2(EBNB)(2)(BPY)(2)center dot 2H(2)O were also studied with jinggangmycin and avermectin as model pesticides, representing water-soluble and oil-soluble pesticides respectively. The results show that the highest loading amount of Zn-2(EBNB)(2)(BPY)(2)center dot 2H(2)O to jinggangmycin and avermectin was 0.346 g/g and 0.304 g/g. The pesticide delivery system was a two-phase mode and the cumulative release of jinggangmycin was 76.8%, of avermectin was 73.8% in 84 h, which show obvious slow release effect. Meanwhile, compared with the control group of jinggangmycin center dot avermectin wettable powder, the sustained-release system has better effect on the inhibition of rhizoctonia graminearum. (C) 2020 Elsevier Ltd. All rights reserved.
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