抗菌和抗氧化纺织品用聚多巴胺- agnps涂层腈纶织物

IF 2.3 4区 材料科学 Q2 Chemistry Journal of Coatings Technology and Research Pub Date : 2022-12-19 DOI:10.1007/s11998-022-00711-0
Esam S. Allehyani, Yaaser Q. Almulaiky, Sami A. Al-Harbi, Reda M. El-Shishtawy
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引用次数: 0

摘要

公众对功能性纺织品的认识有所提高,功能性纺织品努力为特定应用生产创新面料。在此背景下,选择丙烯酸聚合物这种在纺织工业中使用的重要合成织物,以使其具有多功能特性。为此,用偕胺肟基功能化丙烯酸织物,作为固定银离子的配体,使其可以进一步原位还原为AgNPs。聚多巴胺(PDA)的酚羟基能够将银离子还原为AgNPs,是一种离子结合和还原剂,本研究利用聚多巴胺赋予腈纶织物抗菌和抗氧化性能。此外,葡萄糖作为还原剂也被用来形成负载agnps的酰胺酰肟化腈纶织物。使用ATR-FTIR, SEM, EDX和拉伸强度对原始的,酰胺酰肟化的,pda涂层的agnps负载的酰胺酰肟化和agnps负载的酰胺酰肟化腈纶织物进行了表征。使用DPPH和FRAP测定所有织物样品的抗氧化剂。采用肉汤法对铜绿假单胞菌、金黄色葡萄球菌、大肠杆菌和白色念珠菌的抑菌性能进行了评价。使用pda包被agnps负载的氨基肟化腈纶织物,几乎完全杀死了致病性革兰氏阴性大肠杆菌(99.99%)。综上所述,聚乳酸- agnps复合纳米涂层具有良好的抗拉强度和优异的抗氧化和抗菌性能,表明聚乳酸- agnps涂层在生物医用纺织品领域的应用前景广阔。图形抽象
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Polydopamine-AgNPs coated acrylic fabric for antimicrobial and antioxidant textiles

There is an increase in public awareness of functional textiles, which strive to produce innovative fabrics for specific applications. In this context, acrylic polymer, a significant synthetic fabric used in the textile industry, was selected to provide it with multifunctional characteristics. For this purpose, the acrylic fabric was functionalized with amidoxime groups to serve as ligands for immobilizing silver ions so that it can be further in situ reduced to AgNPs. Polydopamine (PDA) has the advantage of being an ion binding and reducing agent by virtue of its phenolic hydroxyl groups capable of reducing silver ions to AgNPs, and it was exploited in this study for imparting the acrylic fabric with antimicrobial and antioxidant properties. Additionally, glucose as a reducing agent was also used to form AgNPs-loaded amidoximated acrylic fabric. The pristine, amidoximated, PDA-coated AgNPs-loaded amidoximated, and AgNPs-loaded amidoximated acrylic fabrics have been characterized using ATR-FTIR, SEM, EDX, and tensile strength. All fabric samples were assessed as antioxidants using DPPH and FRAP assays. Antimicrobial properties against Pseudomonas Aeruginosa, Staphylococcus aureusEscherichia coli and Candida albicans were also evaluated using broth assay. An almost complete killing (99.99%) of the pathogenic Gram-negative Escherichia coli was achieved using PDA-coated AgNPs-loaded amidoximated acrylic fabric. The overall results indicated that the composite nanocoating using PDA-AgNPs showed good tensile strength and excellent antioxidant and antimicrobial properties to suggest the viability of PDA-AgNPs coating of fabrics for possible application as biomedical textiles.

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来源期刊
Journal of Coatings Technology and Research
Journal of Coatings Technology and Research CHEMISTRY, APPLIED-MATERIALS SCIENCE, COATINGS & FILMS
CiteScore
4.40
自引率
8.70%
发文量
0
期刊介绍: Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.
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