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Open AccessArticle

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

1
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China
2
Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Huaxi District, Guiyang 550006, China
3
Department of Applied Chemistry, College of Science, China Agricultural University, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2018, 19(10), 2854; https://doi.org/10.3390/ijms19102854
Received: 3 September 2018 / Revised: 14 September 2018 / Accepted: 17 September 2018 / Published: 20 September 2018
(This article belongs to the Special Issue Mesoporous Materials: From Synthesis to Applications)
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Abstract

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. View Full-Text
Keywords: mesoporous silica nanoparticles; Fenoxanil; uptake; distribution; rice mesoporous silica nanoparticles; Fenoxanil; uptake; distribution; rice
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhu, F.; Liu, X.; Cao, L.; Cao, C.; Li, F.; Chen, C.; Xu, C.; Huang, Q.; Du, F. Uptake and Distribution of Fenoxanil-Loaded Mesoporous Silica Nanoparticles in Rice Plants. Int. J. Mol. Sci. 2018, 19, 2854.

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