Microstructure Characterisation and Identification of the Mechanical and Functional Properties of a New PMMA-ZnO Composite

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dc.citation.spage2717
dc.citation.volume13
dc.contributor.authorRudolf, Rebeka
dc.contributor.authorPopović, Danica
dc.contributor.authorTomić, Sergej
dc.contributor.authorBobovnik, Rajko
dc.contributor.authorLazić, Vojkan
dc.contributor.authorMajerič, Peter
dc.contributor.authorAnžel, Ivan
dc.contributor.authorČolić, Miodrag
dc.date.accessioned2023-07-04T10:04:09Z
dc.date.available2023-07-04T10:04:09Z
dc.date.issued2020
dc.description.abstractIn this research work, we synthesised poly(methyl methacrylate) (PMMA) enriched with 2 wt.% zinc oxide nanoparticles (ZnO) through conventional heat polymerisation and characterised its microstructure. It was found that the distribution of ZnO nanoparticles was homogeneous through the volume of the PMMA. The mechanical testing of the PMMA-ZnO composite primarily included the determination of the compressive properties on real dentures, while density measurements were performed using a pycnometer. The testing of functional properties involved the identification of the colour of the new PMMA-ZnO composite, where pure PMMA acted as a control. In the second step, the PMMA-ZnO cytotoxicity assays were measured in vitro, which were shown to be similar to the control PMMA. Based on this, it could be concluded that the newly formed PMMA-ZnO composite did not induce direct or indirect cytotoxic e ects in L929 cell cultures; therefore, according to ISO/DIN 10993-5:2009, this composite was categorised as non-cytotoxic.
dc.identifier.doi10.3390/ma13122717
dc.identifier.urihttps://vaseljena.ues.rs.ba/handle/123456789/334
dc.language.isoen
dc.publisherMDPI
dc.sourceMaterials
dc.subjectpoly(methyl methacrylate) (PMMA); zinc oxide nanoparticles (ZnO NPs); composite; microstructure; characterisation; mechanical and functional properties; cytotoxicity; L929 cell cultures
dc.titleMicrostructure Characterisation and Identification of the Mechanical and Functional Properties of a New PMMA-ZnO Composite
dc.typeArticle
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