El potencial de las nanopartículas de Ag y Cu para la fabricación de recubrimientos fotocatalíticos para mitigar la propagación de la COVID-19
Resumen
En el trabajo se aborda el uso de diferentes tipos de nanopartículas (NP’) con propiedades fotocatalíticas y antimicrobianas, con posible uso para mitigar la propagación del virus SARS-CoV-2 que provoca la enfermedad COVID-19. El trabajo está estructurado con énfasis en el mecanismo por el cual las NPs de Ag y Cu pueden eliminar virus y bacterias. Posteriormente, se aborda la preparación de materiales, como las zeolitas, que contienen impregnadas a las NPs de Ag y Cu. Otras de las NPs presentadas son las de ZnO y TiO2, las cuales también presentan altas eficiencias para eliminar microorganismos. Por último, se analizan algunos trabajos en donde las NPs, en suspensión o soportadas, se emplearon para preparar pinturas. Estas pinturas se evaluaron para degradar algunos contaminantes atmosféricos; no obstante, lo más interesante fue su uso como recubrimientos antibacterianos. Si bien, la mayoría de los trabajos se enfocaron en comprobar las propiedades antimicrobianas de las pinturas, su uso se puede extender hacia la inactivación de virus, como el SARS-CoV-2. Esto permitiría utilizar estos recubrimientos en zonas con alta frecuencia del virus, como es el caso de hospitales o áreas de alto contacto humano.
Citas
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