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A core-satellite MOF-on-MOF hybrid for intelligent delivery of multi-agrochemicals for sustainable agriculture by Song Ma; Xipeng Yang; Yingjie Wang; Xin Yang; Yuhu Li; Shaoyu Lü is a Materials Science article available to read on EtoBox.

What is A core-satellite MOF-on-MOF hybrid for intelligent delivery of multi-agrochemicals for sustainable agriculture about?

Intelligent delivery formulations of agrochemicals have had a great impact on improving utilization efficiency, reducing chemical usage and easing the risk on the environment. However, constructing smart carriers for multi-agrochemicals to simultaneously control multiple botanic diseases, remains a challenge. In this study, a core-satellite MOF-on-MOF hybrid was designed for intelligent pest and fungus management. Zirconium-based metal–organic framework (UIO) nanoparticles were synthesized as metal–organic framework (MOF) cores to load the insecticide dinotefuran (DNF). Subsequently, a fungicide tebuconazole (Teb) loaded zeolitic imidazolate framework (ZIF) was formed in situ as MOF satellites. The loading contents of DNF and Teb were 6.87% and 8.59%, respectively. DNF released rapidly under alkaline conditions corresponding to the microenvironment of pests, whereas Teb released preferentially under acidic environment. The EC95 of the MOF-on-MOF hybrid against Exserohilum turcicum was 3.5 times lower than that of Teb alone. After 48 h, the mortality of armyworm treated with 3.0 mg/L MOF-on-MOF hybrid was 87%. The UV resistances of DNF and Teb were 7.0 and 1.9 times higher, respecti

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Author

Song Ma; Xipeng Yang; Yingjie Wang; Xin Yang; Yuhu Li; Shaoyu Lü

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)