Effect of Selenium, Copper and Silver Microparticles Obtained in Viscous Media on the Gram-Positive and Gram-Negative Bacteria Survival

IF 1.4 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
I. N. Saraeva, E. R. Tolordava, R. A. Khmelnitsky, S. N. Shelygina, D. S. Pozdnyakova, A. A. Nastulyavichus, E. N. Rimskaya, A. E. Rupasov
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引用次数: 0

Abstract

The work presents a multiparametric analysis of the effect of antibacterial nanogels based on nano- and (sub)microparticles of silver, copper and selenium on single- and multicomponent biofilms of gram-positive bacteria Staphylococcus aureus, Staphylococcus epidermidis, as well as gram-negative bacteria Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa. Nanogels are based on glycerol, silicone oil and Vaseline, which are low-costing biocompatible materials, suitable for use in wound dressings. The active components are bactericidal Ag, Cu, and Se nanoparticles. Nanogels and their effect on the bacterial biofilms were studied by standard microbiological inoculations, as well as Fourier transform infrared spectroscopy methods, followed by principal component analysis. After the treatment of biofilms with nanogels, a decrease in the bacterial population up to 99% was observed. Principal component analysis demonstrated the ability to differentiate viable from nonviable bacteria.

粘性培养基中硒、铜和银微粒对革兰氏阳性和革兰氏阴性细菌存活的影响
这项工作提出了基于纳米和(亚)银、铜和硒微粒的抗菌纳米凝胶对革兰氏阳性细菌金黄色葡萄球菌、表皮葡萄球菌以及革兰氏阴性细菌大肠杆菌、肺炎克雷伯菌和铜绿假单胞菌的单组分和多组分生物膜的影响的多参数分析。纳米凝胶是基于甘油,硅油和凡士林,这是低成本的生物相容性材料,适合用于伤口敷料。活性成分为具有杀菌作用的Ag、Cu和Se纳米粒子。采用标准微生物接种法、傅里叶变换红外光谱法和主成分分析法研究纳米凝胶及其对细菌生物膜的影响。用纳米凝胶处理生物膜后,观察到细菌数量减少了99%。主成分分析证明了区分活菌和非活菌的能力。
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来源期刊
JETP Letters
JETP Letters 物理-物理:综合
CiteScore
2.40
自引率
30.80%
发文量
164
审稿时长
3-6 weeks
期刊介绍: All topics of experimental and theoretical physics including gravitation, field theory, elementary particles and nuclei, plasma, nonlinear phenomena, condensed matter, superconductivity, superfluidity, lasers, and surfaces.
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