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Preparation of Cinnamon Oil‐Loaded Antibacterial Composite Microcapsules by In Situ Polymerization of Pickering Emulsion Templates
Macromolecular Materials and Engineering ( IF 3.9 ) Pub Date : 2020-02-24 , DOI: 10.1002/mame.201900851
Yaozong Li 1 , Jiaming Liu 1 , Xiaofen He 1 , Dexin Kong 2 , Chuang Zhou 3 , Hong Wu 2 , Ziming Yang 3 , Zhuohong Yang 1 , Yang Hu 1
Affiliation  

In this study, the cinnamon oil (CMO)‐loaded antibacterial composite microcapsules with silicon dioxide (SiO2)/poly(melamine formaldehyde) (PMF) hybrid shells are effectively and facilely constructed by in situ polymerization of SiO2 nanoparticle–stabilized Pickering emulsion templates. The morphological structure, composition, and thermal performance of the microcapsules are determined by scanning electronic microscopy, Fourier transform infrared spectroscopy, and thermal gravimetric analysis. In addition, in vitro CMO release and antimicrobial investigations of the microcapsules are also performed, respectively. The results demonstrate that the microcapsules own an approximately spherical shape with a core–shell structure. Moreover, the micro‐encapsulation of CMO clearly increases its thermal stability, and meanwhile results in obtaining microcapsules with the controlled CMO release and visibly long‐term antimicrobial effects. All the results show that in situ polymerization based on templating Pickering emulsions is an attractive method to construct antibacterial essential oil–loaded microcapsules, which can be served as promising antibacterial materials.

中文翻译:

皮克林乳液模板原位聚合制备肉桂油载抗菌复合微胶囊

在这项研究中,通过SiO 2原位聚合,可以有效,方便地构建具有二氧化硅(SiO 2)/聚(三聚氰胺甲醛)(PMF)混合壳的肉桂油(CMO)抗菌复合微胶囊。纳米稳定的Pickering乳液模板。通过扫描电子显微镜,傅立叶变换红外光谱和热重分析来确定微胶囊的形态结构,组成和热性能。另外,还分别进行了微胶囊的体外CMO释放和抗菌研究。结果表明,微胶囊具有核壳结构的近似球形。此外,CMO的微囊化明显提高了其热稳定性,同时导致获得了具有受控CMO释放和可见的长期抗菌作用的微胶囊。
更新日期:2020-03-12
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