Rod-Like Structure of Cotton Cellulose/Polyvinyl Alcohol/Tellurium Dioxide (TeO2) Hybrid Nanocomposite and Antimicrobial Properties

Q2 Materials Science
S. Ramesh, H. Kim, S. Msolli, A. Rengaraj, Y. Huh, Joo-Hyung Kim
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引用次数: 4

Abstract

ABSTRACT We report on the in situ synthesis through sol-gel processing of a tellurium dioxide (TeO2)–cellulose–polyvinyl alcohol (PVA) hybrid composite. The cellulose–PVA hybrid composite was synthesized through chemical graft in the presence of aqueous sodium hydroxide. Field emission scanning electron microscopy, SEM-EDX, high-resolution transition microscopy (FE-TEM) revealed that polycrystalline nanorods were uniformly distributed with sizes of 20 nm in the cotton cellulose–PVA–TeO2 hybrid nanocomposite. The average size of TeO2 crystallite was calculated to be 0.292 nm, as shown in the FE-TEM, SAED, and X-ray diffraction analysis. Furthermore, the hybrid nanocomposites were studied for their antimicrobial activity against Bacillus cereus and Escherichia coli strains, which was inhibited at a size of 10–12 mm after 24 h of incubation. GRAPHICAL ABSTRACT
棉纤维素/聚乙烯醇/二氧化碲(TeO2)纳米复合材料棒状结构及抗菌性能
本文报道了用溶胶-凝胶法原位合成二氧化碲(TeO2) -纤维素-聚乙烯醇(PVA)杂化复合材料。在氢氧化钠的存在下,通过化学接枝法制备了纤维素-聚乙烯醇杂化复合材料。场发射扫描电镜(SEM-EDX)和高分辨率透射电镜(FE-TEM)分析表明,棉花纤维素- pva - teo2杂化纳米复合材料中多晶纳米棒均匀分布,尺寸为20 nm。通过FE-TEM、SAED和x射线衍射分析,计算得出TeO2晶体的平均尺寸为0.292 nm。此外,研究了复合材料对蜡样芽孢杆菌和大肠杆菌的抑菌活性,结果表明,在10 ~ 12 mm大小的细菌孵育24 h后,复合材料的抑菌活性被抑制。图形抽象
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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来源期刊
Polymer-Plastics Technology and Engineering
Polymer-Plastics Technology and Engineering 工程技术-高分子科学
CiteScore
1.71
自引率
0.00%
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0
审稿时长
4 months
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