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Medicine Research ›› 2022, Vol. 6 ›› Issue (1-2): 210013-210013.DOI: 10.21127/yaoyimr20210013

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SARS-CoV-2 Inactivation by Persulfate-Enhanced Silver Ions

Jingyao Zhu,‡,b, Shuhong Wu,‡,b, Yanwen Fang,c, Lin Lin,*,a,b, Jun Zhu*,b   

  1. a School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China;
    b National Engineering Research Center for Nanotechnology, 28 East Jiangchuan Road, Shanghai 200241, China;
    c Heye Health Industrial Research Institute of Zhejiang Heye Technology, Anji, Zhejiang 313300, China
  • Received:2021-12-04 Accepted:2022-02-04 Online:2022-06-20 Published:2022-06-17
  • Contact: Email: linlin@sit.edu.cn (L. L.); yzjzhu@163.com (J. Z.)
  • About author:‡ These authors contributed equally to this work.

Abstract: The emergence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has become a global health concern with over 100 million confirmed cases. Considering the pandemic emergency, new safety strategies must be found against SARS-CoV-2 virus. In present study, a persulfate-enhanced silver ion is obtained against SARS-CoV-2, evidencing its potential as an efficient and rapid alternative for controlling viral spread. The synergistic interacting between Ag+ and K2S2O8 is proposed, which means that K2S2O8 can oxidize +1 of silver ions to a higher valance state and can produce highly oxidative sulfate radical anions (SO4-) for a kind of compound disinfectant with silver ions. The persulfate-enhanced silver ion has 99.54% of Anti-SARS- CoV-2 viral activity at a low concentration of 100 ppm and 99.999%, 99.999% and 99.99% of the killing effect on Escherichia coli, Staphylococcus aureus and Candida albicans at a lower concentration of 30 ppm and a short time of 0.5 min. Thus, the obtained materials may be made available for hand hygiene and for disinfection of surfaces, washing equipment of individual protection in hospitals and laboratories, as well as for household use.

Key words: SARS-CoV-2, silver ion, K2S2O8, antiviral, antibacterial

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