MATEC Web Conf.
Volume 243, 2018XIV International Workshop High Energy and Special Materials: Demilitarization, Antiterrorism and Civil Application (HEMs-2018)
|Number of page(s)||6|
|Published online||05 December 2018|
Antibacterial activity of zinc oxide nanoparticles obtained by pulsed laser ablation in water and air
1 Tomsk State University, Laboratory of Advanced Materials and Technology, 634050 Tomsk, Russia
2 Tomsk State University, Laboratory of Biopolymers and Biotechnology, 634050 Tomsk, Russia
* Corresponding author: email@example.com
The paper studies physicochemical and antibacterial properties of ZnO nanoparticles obtained by pulsed laser ablation in water and air. Their composition and structure were studied by X-ray diffraction, transmission and scanning electron microscopy. Antibacterial activity of the nanoparticles was examined by its affection on Gram-positive Staphylococcus aureus (S.aureus). The dependence of nanoparticles’ physical and chemical antibacterial properties on the conditions of the ablation was shown. The model materials for the antibacterial bandage were made of cotton, filter paper and biodegradable polymer scaffolds (poly-l-lactide acid), and then they were coated with the obtained ZnO nanoparticles. The model bandage materials were examined by the scanning electron microscopy method and their antibacterial activity (ISO 20743:2013) was determined. High activity of all the samples against S.aureus was proved.
© The Authors, published by EDP Sciences, 2018
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