Using cold atmospheric plasma treated-air for COVID-19 disinfection in cold-chain environment
Hao Zhang, Min Chen, Lingling Huang, Li Guo, Shengduo Xu, Jishen Zhang, Xi Wang, Zifeng Wang, Dingxin Liu, Michael G. Kong, Mingzhe Rong
Abstract
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.