抗菌醋酸纤维素纳米纤维的静电纺丝研究

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Chemistry and Technology Pub Date : 2023-02-28 DOI:10.35812/cellulosechemtechnol.2023.57.08

İ.Y. Mol, F. Cengiz Çallıoğlu, Hülya Kesici Güler, E. Sesli Çetin, G. Bilir

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引用次数: 0

摘要

本文旨在实现抗菌醋酸纤维素（CA）纳米纤维的制备和表征。首先，测定了溶液的粘度、导电性和表面张力等性能。其次，制备了CA/氧化锌（ZnO）纳米纤维采用静电纺丝法制备了具有最佳工艺参数的复合纳米纤维。然后，通过SEM、EDX、DSC、TGA、XRD、透气性和水蒸气渗透性测试对电纺纳米纤维进行了表征。最后，根据AATCC100方法对金黄色葡萄球菌（ATCC 25923）和大肠杆菌（ATCC 259 22）进行抗菌活性测试。结果表明，溶液电导率降低，表面张力不随ZnO浓度的变化而变化。另一方面，粘度随着ZnO的首次加入而显著降低，然后随着ZnO浓度的增加而略有增加。通常，可以获得精细（354–464 nm）、均匀且无珠的纳米纤维。平均纤维直径、透气性和水蒸气透过率随ZnO浓度的增加而增加。EDX分析结果证实了ZnO在CA纳米纤维结构中的存在。抗菌研究的结果表明，具有最高浓度ZnO的CA/氧化锌（ZnO）复合纳米纤维对金黄色葡萄球菌和大肠杆菌菌株都表现出非常好的抗菌活性。“

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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ELECTROSPINNING OF ANTIBACTERIAL CELLULOSE ACETATE NANOFIBERS

"Herein, it was aimed to achieve antibacterial cellulose acetate (CA) nanofiber production and characterization. Firstly, solution properties, such as viscosity, conductivity and surface tension, were determined. Secondly, CA/zinc oxide (ZnO) composite nanofibers were produced with optimum process parameters via the electrospinning method. Then, the electrospun nanofibers were characterized by SEM, EDX, DSC, TGA, XRD, air permeability and water vapor permeability testing. Lastly, antibacterial activity tests were carried out in accordance with the AATCC100 method, against Staphylococcus aureus (ATCC 25923) and Escherichia coli (ATCC 25922). According to the results, solution conductivity decreased and surface tension did not change with ZnO concentration. On the other hand, viscosity decreased significantly with the first addition of ZnO and then increased slightly with increasing ZnO concentration. Generally, fine (354–464 nm), uniform and beadless nanofibers were obtained. Average fiber diameter, air permeability and water vapor permeability increased with ZnO concentration. EDX analysis results verified the existence of ZnO in the structure of CA nanofibers. As a result of antibacterial studies, it was determined that the CA/zinc oxide (ZnO) composite nanofibers with the highest concentration of ZnO showed very good antibacterial activity against both S. aureus and E. coli bacterial strains."

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来源期刊

Cellulose Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

2.30

自引率

23.10%

发文量

审稿时长

7.3 months

期刊介绍： Cellulose Chemistry and Technology covers the study and exploitation of the industrial applications of carbohydrate polymers in areas such as food, textiles, paper, wood, adhesives, pharmaceuticals, oil field applications and industrial chemistry. Topics include: • studies of structure and properties • biological and industrial development • analytical methods • chemical and microbiological modifications • interactions with other materials