Plasma deposition of silver nanoparticles onto poly(ethylene terephthalate) surfaces for the preparation of antimicrobial materials

IF 2.3 4区 材料科学 Q2 Chemistry Journal of Coatings Technology and Research Pub Date : 2023-02-21 DOI:10.1007/s11998-022-00752-5
Hanène Salmi-Mani, Grégory Balthazar, Christophe J. Atkins, Caroline Aymes-Chodur, Patrick Ribot, Gabriel Terreros, Nadine Barroca-Aubry, Christophe Regeard, Philippe Roger
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引用次数: 1

Abstract

Poly(ethylene terephthalate) (PET) films were surface-modified according to microwave plasma activation allowing for dithiol functions grafting (1,6-hexanedithiol) in order to fabricate self-assembled photogenerated silver nanoparticles monolayers. The present study was carried out in constant discharge power conditions and the impact of the plasma treatment on PET wettability properties were reported. PET material modifications were characterized at various stages of the process: plasma activation, dithiol functionalization, and nanosilver grafting according to several experimental techniques: water contact angle measurements and X-ray photoelectron spectroscopy (XPS). The surface topography was studied by atomic force microscopy (AFM). Finally, antibacterial properties of PET material including silver nanoparticles were evaluated to determine the probability to reduce the surface bacterial adhesion of Staphylococcus aureus strain selected as pathogenic bacteria model. Surface grafted with silver nanoparticles was found to be particularly reactive and led to an inhibition of S. aureus adhesion around 96.2% in comparison with the unmodified PET material.

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等离子沉积纳米银到聚对苯二甲酸乙酯表面用于制备抗菌材料
利用微波等离子体活化对聚对苯二甲酸乙酯(PET)薄膜进行表面修饰,允许二硫醇功能接枝(1,6-己二硫醇),以制备自组装光生银纳米颗粒单层。本研究在恒放电条件下进行,并报道了等离子体处理对PET润湿性的影响。根据水接触角测量和x射线光电子能谱(XPS)等实验技术,在等离子体活化、二硫醇功能化和纳米银接枝等不同阶段对PET材料的改性进行了表征。用原子力显微镜(AFM)研究了表面形貌。最后,对含银纳米粒子的PET材料的抗菌性能进行了评价,以确定其降低金黄色葡萄球菌菌株表面细菌粘附的概率。与未修饰的PET材料相比,表面接枝银纳米粒子的反应性特别强,对金黄色葡萄球菌粘附的抑制率约为96.2%。
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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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