Fabrication and Characterization of Zein/PDADMAC Nanoparticles to Encapsulate Tebuconazole by Antisolvent Precipitation Method
文献类型： 外文期刊
作者： Liu, Hui 1 ; Shi, Wenhui 1 ; Li, Shiqing 1 ; Lei, Bin 3 ; Li, Shujing 1 ; Zhang, Xiaojun 2 ;
作者机构： 1.Beijing Technol & Business Univ, Dept Chem, Beijing 100048, Peoples R China
2.Sino Agri Leading Biosci Co LTD, Beijing 100052, Peoples R China
3.Xinjiang Acad Agr Sci, Res Inst Nucl Technol & Biotechnol, Urumqi 830091, Peoples R China
关键词： tebuconazole; zein; poly dimethyl diallyl ammonium chloride (PDADMAC); Nanoparticles; Antisolvent precipitation
期刊名称：CHEMISTRYSELECT （ 影响因子：2.1； 五年影响因子：2.0 ）
ISSN： 2365-6549
年卷期： 2023 年 8 卷 47 期
页码：
收录情况： SCI
摘要： In order to improve the sustained release effect and antifungal activity of tebuconazole (TEB), zein /poly dimethyl diallyl ammonium chloride (PDADMAC) nanoparticles (NPs) were prepared in this study. The hollow zein NPs were made by anti-solvent precipitation method in which sodium carbonate was chosen as sacrificial template, and PDADMAC was combined with zein NPs via electrostatic self-assembly after loading TEB. The NPs were characterized through particle size, Zeta potential, scanning electron microscopy (SEM), sustained release effect, contact angle, encapsulation efficiency (EE), loading efficiency (LE) and antifungal activity. In this study, TEB/zein/PDADMAC NPs were stable for at least 28 days at room temperature. The release of TEB showed lower release in NPs compared with technical concentrate (TEB TC, 98 %). In addition, NPs also significantly influenced performance such as wetting performance and antifungal activity. The developed functional TEB/zein/PDADMAC NPs with excellent properties can be promising for antifungal pesticide applications. TEB was loaded into the hollow zein cavities prepared by antisolvent precipitation method with sodium carbonate as a sacrificial template, and then PDADMAC was added to the zein solution, which was successfully prepared to form TEB/zein/PDADMAC NPs by electrostatic self-assembly. These TEB/zein/PDADMAC NPs improve wetting properties and antifungal activity, and they are expected to be used in antifungal pesticides.**image
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