Antimicrobial Properties of Cotton E-Textiles Modified with Graphene Oxide and Silver Nanoparticles

IF 0.8 Q3 Engineering
S. A. Smagulova, F. D. Vasileva, L. A. Tarasova, Ya. A. Akhremenko, Z. I. Evseev
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引用次数: 0

Abstract

This study investigates the bactericidal and fungicidal properties of graphene oxide flakes with an average lateral size of 1 μm and an oxygen content of ~45%, mildly oxidized graphene flakes with an average lateral size of 0.1 μm and an oxygen content of ~20%, and a silver nanoparticle–graphene oxide composite in aqueous suspensions and cotton textiles. It is shown that after 24 hours of microbial exposure to the graphene oxide flake suspension, Escherichia coli was reduced by 80%, Staphylococcus aureus by 40%, and Candida albicans by 100%, whereas the mildly oxidized graphene suspension eliminated E. coli and S. aureus by 100% but reduced C. albicans by only 40%. The use of silver nanoparticle–graphene oxide composites demonstrates more effective antimicrobial action, achieving 100% elimination of E. coli, S. aureus, and C. albicans within 24 hours of exposure. The antimicrobial efficacy of textiles treated with graphene oxide and mildly oxidized graphene against E. coli is similar and relatively high compared to their effectiveness against S. aureus and C. albicans. Textiles with silver nanoparticle–graphene oxide composites exhibited antimicrobial efficacy approximately twice as high as that of graphene oxide.

Abstract Image

氧化石墨烯和纳米银改性棉质电子纺织品的抗菌性能
本研究考察了平均横向尺寸为1 μm、氧含量为~45%的氧化石墨烯薄片、平均横向尺寸为0.1 μm、氧含量为~20%的轻度氧化石墨烯薄片以及纳米银-氧化石墨烯复合材料在水悬浮液和棉织物中的杀菌和杀菌性能。结果表明,微生物暴露于氧化石墨烯片悬浮液24小时后,大肠杆菌减少80%,金黄色葡萄球菌减少40%,白色念珠菌减少100%,而轻度氧化的石墨烯悬浮液可消除大肠杆菌和金黄色葡萄球菌100%,但白色念珠菌仅减少40%。纳米银颗粒-氧化石墨烯复合材料的使用显示出更有效的抗菌作用,可在接触后24小时内100%消除大肠杆菌、金黄色葡萄球菌和白色念珠菌。与金黄色葡萄球菌和白色念珠菌相比,氧化石墨烯和轻度氧化石墨烯处理的纺织品对大肠杆菌的抗菌效果相似,而且相对较高。纳米银-氧化石墨烯复合材料纺织品的抗菌效果大约是氧化石墨烯的两倍。
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来源期刊
Nanotechnologies in Russia
Nanotechnologies in Russia NANOSCIENCE & NANOTECHNOLOGY-
CiteScore
1.20
自引率
0.00%
发文量
0
期刊介绍: Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.
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