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Uptake and Distribution of Fenoxanil-Loaded Mesoporous Silica Nanoparticles in Rice Plants

文献类型： 外文期刊

作者： Zhu, Feng 2 ; Liu, Xingang 1 ; Cao, Lidong 1 ; Cao, Chong 1 ; Li, Fengmin 1 ; Chen, Caijun 2 ; Xu, Chunli 1 ; Huang, Qili 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China

2.Guizhou Acad Agr Sci, Inst Plant Protect, Guiyang 550006, Guizhou, Peoples R China

3.China Agr Univ, Dept Appl Chem, Coll Sci, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China

关键词： mesoporous silica nanoparticles; Fenoxanil; uptake; distribution; rice

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2018 年 19 卷 10 期

页码：

收录情况： SCI

摘要： Mesoporous silica nanoparticles (MSNs) can be used as carriers to deliver pesticides into plants, which is considered to be one method of improving the efficacy of pesticide usage in agricultural production. In the present work, MSNs with an average diameter of 258.1 nm were synthesized and loaded with Fenoxanil. The structure of the nanocarriers was observed by scanning electron microscopy. The loading content of Fenoxanil-loaded MSNs was investigated. After rice plants in a hydroponic system were treated with loaded MSNs, the concentrations of Fenoxanil in different samples were determined using high-performance liquid chromatography-tandem mass spectrometry. The results suggested that rice plants can absorb MSNs from water through their roots, and the dosage has almost no effect on the distribution of Fenoxanil in rice plants. The application of pesticide-loaded nanoparticles in a hydroponic system poses a low risk of Fenoxanil accumulation in rice.

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