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Reduction of Escherichia Coli Using Metal Plates with the Influenced of Applied Low Current and Physical Barrier of Filter Layers

Author

Listed:
  • Michael Versoza

    (Transportation Environmental Research Team, Korea Railroad Research Institute, Uiwang City 16105, Korea
    Railway System Engineering, University of Science and Technology, Daejeon City 34113, Korea)

  • Wonseok Jung

    (Transportation Environmental Research Team, Korea Railroad Research Institute, Uiwang City 16105, Korea
    Mechanical Engineering Department, Sungkyunkwan University, Suwon City 16419, Korea)

  • Mona Loraine Barabad

    (Transportation Environmental Research Team, Korea Railroad Research Institute, Uiwang City 16105, Korea
    Railway System Engineering, University of Science and Technology, Daejeon City 34113, Korea)

  • Sangwon Ko

    (Transportation Environmental Research Team, Korea Railroad Research Institute, Uiwang City 16105, Korea)

  • Minjeong Kim

    (Transportation Environmental Research Team, Korea Railroad Research Institute, Uiwang City 16105, Korea)

  • Duckshin Park

    (Transportation Environmental Research Team, Korea Railroad Research Institute, Uiwang City 16105, Korea
    Railway System Engineering, University of Science and Technology, Daejeon City 34113, Korea)

Abstract

Although metal contact is known to reduce bacterial growth, the effects of physical barriers and electricity need further investigation. This study examined the bacteria-reducing properties of copper and stainless-steel metal plates with an added electrical current and up to three filter layers on the growth of Escherichia coli (bacteria) and MS2 bacteriophages (virus). When used with a stainless-steel plate, electricity increased bacteria reduction by 39.5 ± 2.30% in comparison with no electricity added, whereas a three-layer physical barrier decreased its efficiency. Copper also reduced the growth of bacteria, by 58.2 ± 8.23%, and the addition of electricity reduced it further (79.5 ± 2.34%). Bacteriophages were also affected by the metal contact. Further experiments showed that MS2 was also reduced by copper, to 82.9 ± 4.5% after 24 h at 37 °C.

Suggested Citation

  • Michael Versoza & Wonseok Jung & Mona Loraine Barabad & Sangwon Ko & Minjeong Kim & Duckshin Park, 2019. "Reduction of Escherichia Coli Using Metal Plates with the Influenced of Applied Low Current and Physical Barrier of Filter Layers," IJERPH, MDPI, vol. 16(20), pages 1-10, October.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:20:p:3887-:d:276211
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    Cited by:

    1. Michael Versoza & Jaeseok Heo & Sangwon Ko & Minjeong Kim & Duckshin Park, 2020. "Solid Oxygen-Purifying (SOP) Filters: A Self-Disinfecting Filters to Inactivate Aerosolized Viruses," IJERPH, MDPI, vol. 17(21), pages 1-11, October.

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