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  • Cold plasma for sustainable control of hygienically relevant biofilms [Elektronski vir] : the interaction of plasma distance and exposure time
    Dahle, Sebastian ; Žigon, Jure ; Fink, Rok, 1984-
    This study aimed to analyse the efficacy of a new cold plasma device adapted for treatment with a low power consumption . We tested the reduction of bacterial cells in biofilms of E. coli, S. aureus ... and P. aeruginosa. . The results show significant differences between bacterial cells, suggesting that Gramme-positive S. aureus is less susceptible to plasma treatment than Gramme-negative E. coli and P. aeruginosa. Increasing the exposure time and decreasing the distance decreases the number of cells in the biofilm. However, the combination of close distance and long exposure time resulted in synergistic effects. We demonstrated a reduction of up to 6.6 log CFU cm2 for E. coli at 1mm and an exposure time of 60seconds. All these indicate that the new cold plasma jet device can be an important key to ensuring hygiene and numerous applications in medicine and engineering are possible.
    Source: International journal of environmental health research. - ISSN 1369-1619 (Vol. 34, iss. 1, 2024, Str. 340-354)
    Type of material - e-article ; adult, serious
    Publish date - 2024
    Language - english
    COBISS.SI-ID - 131261699

    Link(s):

    https://www.tandfonline.com/doi/full/10.1080/09603123.2022.2149710
    Repository of the University of Ljubljana – RUL
    DOI

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