Antivirus and antibacterial filters for face masks based on silver quantum dots

Vukoman Jokanović; Nemanja  Zdravković; Božana Petrović; Marija Živković; Vladimir Biočanin; Ema Aleksić; Jovana Milutinović; Tamaš Petrović

doi:10.2298/VSP230922025J

Vukoman Jokanović University of Belgrade, National Institute of the Republic of Serbia, Institute of Nuclear Sciences “Vinča”, Belgrade, Serbia ALBOS doo, Belgrade, Serbia
Nemanja Zdravković Scientific Veterinary Institute of Serbia, Belgrade, Serbia
Božana Petrović University of Belgrade, *National Institute of the Republic of Serbia, Institute of Nuclear Sciences “Vinča”, Belgrade, Serbia
Marija Živković University of Belgrade, Faculty of Dental Medicine, Clinic of Orthodontics, Belgrade, Serbia
Vladimir Biočanin University Business Academy in Novi Sad, Faculty of Stomatology in Pančevo, Pančevo, Serbia
Ema Aleksić University Business Academy in Novi Sad, Faculty of Stomatology in Pančevo, Pančevo, Serbia
Jovana Milutinović University Business Academy in Novi Sad, Faculty of Stomatology in Pančevo, Pančevo, Serbia
Tamaš Petrović Scientific Veterinary Institute “Novi Sad”, Novi Sad, Serbia

DOI: https://doi.org/10.2298/VSP230922025J

Ključne reči: filteri;, maske, hirurške;, polimeraza, reakcija stvaranja lanaca;, sars-cov-2;, srebro;, staphylococcus aureus

Sažetak

Pozadina/cilj. Dostupne maske za lice, koje se koriste za zaštitu respiratornog sistema od različitih vrsta patogena, pokazuju nezadovoljavajuću efikasnost, jer je veličina virusa poput SARS-CoV-2 mnogo manja od pora u ovim maskama. Teško disanje kroz neke maske brzo dovodi do zamora, zbog čega obični ljudi izbegavaju da ih nose. Ove činjenice sugerišu da je poželjna potpuno nova strategija u dizajniranju zaštitnih maski za lice. U ovom radu je predstavljeno novo rešenje, adekvatno za zaštitu ljudi izloženih visokoj koncentraciji bakterija i virusa, posebno SARS-CoV-2. Metode. Filteri za ove maske su izrađeni od guste pamučne tkanine impregnirane srebrnim kvantnim tačkama. Filteri su okarakterisani skenirajućom elektronskom mikroskopijom i jonsko spregnutom plazma masenom spektrometrijom. Svojstva vlaženja određivana su merenjem kontaktnih uglova sa vodom, a ispitana je i postojanost boje ovih filtera. Antibakterijski test je izveden korišćenjem Staphilococcus aureus. Test viabilnosti qPCR – test integriteta virusa i RT-qPCR test su korišćeni za procenu antivirusne aktivnosti. Rezultati. In vitro testovi su pokazali izuzetno visoku efikasnost ovih filtera u uništavanju bakterije Staphilococcus aureus i virusa SARS-CoV-2. Filteri su takođe pokazali visoku sigurnost i lako disanje. Zaključak. Visoka efikasnost ovih maski protiv SARS-CoV-2 dokazana je brojnim testovima i one su, po prvi put u svetu, odobrene kao anti-SARS-CoV-2 maske. U međuvremenu, ovo rešenje je primenjeno u praksi, a podaci dobijeni od kupaca su veoma ohrabrujući.

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Antivirusni i antibakterijski filteri za maske za lice na bazi srebrnih kvantnih tačaka

Sažetak

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