Journal
MEMBRANES
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/membranes12100946
Keywords
COVID-19; polyelectrolyte membranes; nanoparticles; medical equipment surfaces; personal protective equipment
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The study demonstrated that membrane coatings containing metallic nanoparticles can adsorb coronaviruses and support lung cell function. These membrane nanocoatings may serve as biomedical materials for reducing coronavirus transmission.
The study of the surface of membrane coatings constructed with adsorbed coronavirus (COV) was described to test their suitability for the antiviral activity for application in personal protective and medical equipment. The nanocoating based on polyethyleneimine (PEI) or polystyrene sulfonate (PSS) with metallic nanoparticles incorporated was investigated using the AFM technique. Moreover, the functioning of human lung cells in a configuration with the prepared material with the adsorbed coronavirus was studied using microscopic techniques and flow cytometry. The mean values of the percentage share of viable cells compared with the control differed by a maximum of 22%. The results showed that PEI and PSS membrane layer coatings, modified with chosen metallic nanoparticles (AuNPs, AgNPs, CuNPs, FeNPs) that absorb COV, could support lung cells' function, despite the different distribution patterns of COV on designed surfaces as well as immobilized lung cells. Therefore, the developed membrane nanocoatings can be recommended as material for biomedical applications, e.g., medical equipment surfaces to reduce coronavirus spreading, as they adsorb COV and simultaneously maintain the functioning of the eukaryotic cells.
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