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Collection of scientific works Nanosystems, nanomaterials, nanotechnologies Year 2025 Volume 23, Issue 2
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vol. 23 / 

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I. O. SYTNYK1,2, V. L. DEMCHENKO2, V. B. DOLGOSHEY1, M. V. IURZHENKO2,3, V. B. NEIMASH4, G. E. MONASTYRSKYI1, and N. P. RYBALCHENKO5

1National Technical University of Ukraine ‘Igor Sikorsky Kyiv Polytechnic Institute’, 37 Beresteis'kyi Ave., 03056 Kyiv, Ukraine
2E. O. Paton Electric Welding Institute, NAS of Ukraine, 11 Kazymyr Malevych Str., 03150 Kyiv, Ukraine
3Institute of Macromolecular Chemistry, NAS of Ukraine, 48 Kharkivske Shose, 02160 Kyiv, Ukraine
4Institute of Physics, NAS of Ukraine, 46 Nauky Ave., 03028 Kyiv, Ukraine
5D. K. Zabolotny Institute of Microbiology and Virology, NAS of Ukraine, 154 Akademik Zabolotny Str., 03143 Kyiv, Ukraine

Structure, Mechanical and Bactericidal Properties of PVA–PEG–TiO2 Hydrogel Composites Cross-Linked by Electron Irradiation

579–590 (2025)

PACS numbers: 61.05.cp, 61.25.hp, 81.40.Jj, 82.35.Np, 87.19.xb, 87.53.-j, 87.85.Rs

The paper describes the synthesis process of hydrogel materials based on polyvinyl alcohol (PVA) and polyethylene glycol (PEG) filled with titanium-dioxide particles in concentrations of 1%, 0.1%, and 0.01% mass. The size distribution of titanium dioxide particles is obtained by the method of dynamic light scattering. To obtain data on the structure of the obtained materials before and after electron irradiation, wide-angle radiography is used, the results of which reveal a possible interplay between the titanium-dioxide particles and the polymer matrix. Tensile tests show a decrease in the tensile strength and strain to break of the hydrogel with increasing titanium-dioxide concentration. PVA–PEG–TiO2 hydrogels do not show antimicrobial activity against reference strains of Staphylococcus aureus and Escherichia coli.

KEY WORDS: hydrogel, PVA–PEG, TiO2, electron irradiation, mechanical strength, bactericidal activity

DOI:  https://doi.org/10.15407/nnn.23.02.0579

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