Scientists have developed virus-killing plastic that could make it more difficult for insects, including the new coronavirus, to spread to hospitals and nursing homes.
The team from Queen’s University in Belfast in the UK says their plastic film is inexpensive and can be made into protective clothing such as aprons.
It works by reacting with light, releasing chemicals that break down the virus.
Studies have shown that it can kill millions of viruses, even those stubborn species that linger on clothing and surfaces.
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La ricerca è stata accelerata come parte della risposta del Regno Unito alla pandemia di coronavirus.
La ricerca ha dimostrato che il nuovo coronavirus può sopravvivere su alcune superfici fino a 72 ore, ma non è niente in confronto alle specie più resistenti. Il norovirus, noto come l’insetto del vomito invernale, può sopravvivere al di fuori del corpo per due settimane in attesa di una nuova infezione.
Il team di chimici e virologi ha studiato materiali autoigienizzanti che potrebbero ridurre il rischio di diffusione dell’infezione da superfici contaminate.
“La pellicola potrebbe sostituire molte pellicole di plastica monouso utilizzate nell’industria medica a causa del valore aggiunto dell’autosterilizzazione senza costi aggiuntivi reali”, ha affermato l’università.
Il materiale è stato testato in laboratorio contro quattro tipi di virus, due dell’influenza, 2019-nCoV e picornavirus, l’ultimo dei quali ha caratteristiche che rendono il virus altamente stabile in vitro.
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Under controlled laboratory conditions, approximately 1 million viral particles are deposited on self-sterilizing plastic. This is much more than the amount of virus needed to start an infection.
“It went from 1 million viruses to zero, we could see the effect in less than 1 hour, maximum death in 2 hours, but we’re adding a surplus of viruses to really challenge the system, probably in It’s effective within the first. minutes, ”said Dr. Conor Bamford, of Queen’s University School of Medicine.
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