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Characterization and antimicrobial properties of ferulic acid grafted self-assembled bacterial cellulose-chitosan membranes

机译:阿魏酸接枝自组织细菌纤维素 - 壳聚糖膜的表征及抗微生物性质

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摘要

Bacterial cellulose (BC) is a biomaterial with many excellent properties, but its application as a food packaging and biomedical material is limited due to its lack of antibacterial properties. In this study, ferulic acid (FA) grafted self-assembled bacterial cellulose-chitosan (BCF) membranes were prepared by soaking BC films in chitosan-ferulic acid (CF) solution to synthesize antibacterial biomaterials. H-1 NMR confirmed that FA grafted onto chitosan successfully. The results of field emission scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, and tensile analysis showed that CF were successfully incorporated into BC matrix and the BCF membranes had good physical properties. The antibacterial experiments demonstrated that BCF membranes had an excellent antibacterial effect against Staphylococcus aureus and Escherichia coli. Therefore, combining all these properties, BCF composite membranes would have potential application in food packaging or wound-healing materials.
机译:细菌纤维素(BC)是一种具有许多优良性能的生物材料,但由于缺乏抗菌性能,其作为食品包装和生物医学材料的应用受到限制。本研究将阿魏酸(FA)接枝自组装细菌纤维素-壳聚糖(BCF)膜浸泡在壳聚糖-阿魏酸(CF)溶液中制备抗菌生物材料。H-1核磁共振证实FA成功接枝到壳聚糖上。场发射扫描电子显微镜、傅里叶变换红外光谱、X射线衍射、热重分析和拉伸分析的结果表明,CF成功地融入到BC基体中,BCF膜具有良好的物理性能。抗菌实验表明,BCF膜对金黄色葡萄球菌和大肠杆菌具有良好的抗菌效果。因此,结合所有这些特性,BCF复合膜在食品包装或伤口愈合材料中具有潜在的应用前景。

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