Abstract
This study applied surface discharge plasma treated-air to deactivate the pseudovirus with the SARS-CoV-2S protein in a cold-chain environment. The results of experiments show that the capability of infection of either the dried or the wet COVID-19 pseudovirus are inhibited after exposure to plasma treated-air regardless of whether it is attached to flakes of plastic or a copper sheet. Moreover, various plasma-generated reactive species provide it with an advantage over conventional ozone in deactivating the wet pseudovirus in a cold-chain environment. Our findings provide a potential disinfecting strategy to combat the spread of SARS-CoV-2 through cold-chain systems.
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