激光辐射对银纳米粒子抗菌活性的激活研究

2018 IEEE 8th International Conference Nanomaterials: Application & Properties (NAP) Pub Date : 2018-09-01 DOI:10.1109/NAP.2018.8914915

O. Kravchuk, Y. Bobitski, O. Komarovska-Porokhnyavets, A. Barylyak

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引用次数: 0

摘要

众所周知，银纳米颗粒具有抑制和杀菌作用，它们在开发针对许多致病微生物的新型抗菌物质方面发挥着重要作用。本文研究了银纳米颗粒在两种不同细菌培养物(大肠杆菌和金黄色葡萄球菌)上的最低杀菌浓度，以及激光照射增强其抗菌活性的可能性。结果表明，浓度≥3120 μg/ml的纳米银溶液可导致两种微生物的死亡。激光照射后分散的纳米颗粒对金黄色葡萄球菌的抑制作用降低。

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The Study of the Activation of Antibacterial Activity of Silver Nanoparticles by Laser Radiation

Silver nanoparticles are known to have inhibitory and bactericidal effects and they play a significant role in the development of new antimicrobial substances against a number of pathogenic microorganisms. In this article the minimum bactericidal concentration of the silver nanoparticles on two different bacteria cultures (Escherichia coli and Staphylococcus aureus) as well as the possibility to enhance their antimicrobial activity using laser irradiation was investigated. It was found, that solutions of silver nanoparticles at concentrations ≥ 3120 μg/ml cause death of both types of studied microorganisms. Dispersion of nanoparticles after laser irradiation caused the inhibition of Staphylococcus aureusat lower concentrations.

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2018 IEEE 8th International Conference Nanomaterials: Application & Properties (NAP)

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