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On-demand cold plasma activation of acetyl donors for bacteria and virus decontamination

Endre J. Szili, Bhagirath Ghimire, Bethany Lee Patenall, Mohammed Rohaim, Dharmit Mistry, Adrian Fellows, Muhammad Munir, A. Toby A. Jenkins, Robert D. Short

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Abstract

Antibiotics are commonly used as the first line of defense in the treatment of infectious diseases. However, the rise of antimicrobial resistance (AMR) is rendering many antibiotics less effective. Consequently, effective non-antibiotic antimicrobial strategies are urgently needed to combat AMR. This paper presents a strategy utilizing cold plasma for the "on-demand"activation of acetyl donor molecules. The process generates an aqueous-based antimicrobial formulation comprising a rich mixture of highly oxidizing molecules: peracetic acid, hydrogen peroxide, and other reactive oxygen and nitrogen species. The synergistic potent oxidative action between these molecules is shown to be highly effective at eradicating common wound pathogenic bacteria (Pseudomonas aeruginosa and Staphylococcus aureus) and at inactivating a virus (SARS-CoV-2).

Original languageEnglish
Article number054104
JournalApplied Physics Letters
Volume119
Issue number5
DOIs
Publication statusPublished - 2 Aug 2021

Bibliographical note

Funding Information:
The authors would like to thank the EPSRC for funding on Grant Nos. EP/R003556/1 and EP/V00607X/1. E.J.S. acknowledges the support from the Australian Research Council Future Fellowship No. FT190100263, the National Health Medical Research Council Ideas Grant No. 2002510, and the Future Industries Accelerator Mobility Scheme MOB024.

Publisher Copyright:
© 2021 Author(s).

Funding

The authors would like to thank the EPSRC for funding on Grant Nos. EP/R003556/1 and EP/V00607X/1. E.J.S. acknowledges the support from the Australian Research Council Future Fellowship No. FT190100263, the National Health Medical Research Council Ideas Grant No. 2002510, and the Future Industries Accelerator Mobility Scheme MOB024.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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