您好，欢迎访问江苏省农业科学院 机构知识库！
江苏省农业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Smart controlled-release avermectin nanopesticides based on metal-organic frameworks with large pores for enhanced insecticidal efficacy

文献类型： 外文期刊

作者： Liu, Jincan 1 ; Xu, Dejin 2 ; Xu, Guangchun 2 ; Li, Xiaona 1 ; Dong, Jiangtao 3 ; Luan, Xingkun 1 ; Du, Xuezhong 1 ;

作者机构： 1.Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem, State Key Lab Coordinat Chem, Nanjing 210023, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Peoples R China

3.Henan Inst Sci & Technol, Henan Engn Res Ctr Green Pesticide Creat & Intelli, Postdoctoral Res Base, Xinxiang 453003, Peoples R China

关键词： Avermectin; Controlled release; Insecticidal efficacy; Metal -organic framework; Nanopesticide

期刊名称：CHEMICAL ENGINEERING JOURNAL （ 影响因子：15.1； 五年影响因子：14.3 ）

ISSN： 1385-8947

年卷期： 2023 年 475 卷

页码：

收录情况： SCI

摘要： Nanopestcides based on metal-organic frameworks (MOFs) have attracted great attention. Highly stable meso-porous metal-organic framework PCN-777 with large pores can accommodate the biologically active insecticide avermectin (AVM) of relatively large molecular dimensions. In this work, PCN-777 nanoparticles were synthesized for the creation of double-gated nanopesticides with sodium lignosulfonate (SL) and chitosan. The double gatekeepers could realize excellent sealing performance to prevent premature leakage of AVM. The double-gated PCN-777 based nanopesticides could achieve the controlled release of AVM in response to pH, laccase, phos-phate, and phytic acid (PA), which are related to the physiological environments of pests and crops. The PA -triggered controlled release of loaded cargos in MOF-based delivery systems was reported for the first time. This is the first example of PCN-777 drug/pesticide delivery system and also the first case of controlled-release MOF-based AVM nanopesticides, and the mechanisms of the stimuli-responsive controlled pesticide release were clearly elucidated. The nanopesticides prevented the ultraviolet photolysis of AVM owing to the PCN-777 organic ligands and SL coating. The nanopesticides had high insecticidal efficacy and field control efficacy against the pests Spodoptera litura Fabricius on cabbage, in comparison with traditional pesticide formulations, and the nanopesticides had no influence on plant growth and showed high biosafety toward non-target organisms and human cells. The smart controlled-release nanopesticides show high potential and application prospect in ecological agriculture.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：江苏省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台