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Plasma Medicine

Published 4 issues per year

ISSN Print: 1947-5764

ISSN Online: 1947-5772

SJR: 0.216 SNIP: 0.263 CiteScore™:: 1.4 H-Index: 24

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A Reference Technique to Compare the Antimicrobial Properties of Atmospheric Pressure Plasma Sources

Volume 5, Issue 1, 2015, pp. 27-47
DOI: 10.1615/PlasmaMed.v5.i1.30
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ABSTRACT

Medical devices need to submit stringent controls to gain a high quality standard. Therefore, international comparability has to be ensured between the laboratories or the producing industries via globally standardized assays. For medically used plasma sources, we developed a microbial assay that allows comparison of plasma sources with different designs. In the present case, test sources are an atmospheric pressure plasma jet (kINPen MED, neoplas tools GmbH, Greifswald, Germany) and a surface dielectric barrier discharge. Beforehand, both sources were tested for their antimicrobial antimicrobial effectiveness. We normalized the data by the treated surface area and thereby defined a smallest treated unit area. Subsequently, the values were used to obtain inactivation kinetics for comparison. By normalizing the data obtained from treatment by different plasma sources we were able to compare plasma sources, independent of the treatment time. To produce an extensive overview, the assay was carried out with Escherichia coli K12 (gram-negative), Staphylococcus aureus (gram-positive), and Candida albicans (yeast). The microorganisms revealed different inactivation kinetics, which offered for all tested objects the highest test stability in the stationary phase. Thus, to gain the most conclusive test data, microorganisms in the stationary phase are recommended for the assay.

CITED BY
  1. Fiebrandt Marcel, Lackmann Jan-Wilm, Raguse Marina, Moeller Ralf, Awakowicz Peter, Stapelmann Katharina, VUV absorption spectroscopy of bacterial spores and DNA components, Plasma Physics and Controlled Fusion, 59, 1, 2017. Crossref

  2. Hahn Veronika, Brandenburg Ronny, von Woedtke Thomas, DIN SPEC 91315: A First Attempt to Implement Mandatory Test Protocols for the Characterization of Plasma Medical Devices, in Comprehensive Clinical Plasma Medicine, 2018. Crossref

  3. Hahn Veronika, Dikyol Caner, Altrock Beke, Schmidt Michael, Wende Kristian, Ercan Utku K., Weltmann Klaus‐Dieter, von Woedtke Thomas, Plasma‐mediated inactivation ofE. coli: Influence of protein on wet surface and in liquid medium, Plasma Processes and Polymers, 16, 5, 2019. Crossref

  4. Handorf Oliver, Schnabel Uta, Bösel André, Weihe Thomas, Bekeschus Sander, Graf Alexander Christian, Riedel Katharina, Ehlbeck Jörg, Antimicrobial effects of microwave‐induced plasma torch (MiniMIP) treatment on Candida albicans biofilms , Microbial Biotechnology, 12, 5, 2019. Crossref

  5. Schnabel Uta, Handorf Oliver, Yarova Kateryna, Zessin Björn, Zechlin Susann, Sydow Diana, Zellmer Elke, Stachowiak Jörg, Andrasch Mathias, Below Harald, Ehlbeck Jörg, Plasma-Treated Air and Water—Assessment of Synergistic Antimicrobial Effects for Sanitation of Food Processing Surfaces and Environment, Foods, 8, 2, 2019. Crossref

  6. Schnabel Uta, Yarova Kateryna, Zessin Björn, Stachowiak Jörg, Ehlbeck Jörg, The Combination of Plasma-Processed Air (PPA) and Plasma-Treated Water (PTW) Causes Synergistic Inactivation of Candida albicans SC5314, Applied Sciences, 10, 9, 2020. Crossref

  7. Ranieri Pietro, Mohamed Hager, Myers Brayden, Dobossy Leah, Beyries Keely, Trosan Duncan, Krebs Fred C., Miller Vandana, Stapelmann Katharina, GSH Modification as a Marker for Plasma Source and Biological Response Comparison to Plasma Treatment, Applied Sciences, 10, 6, 2020. Crossref

  8. Korzec Dariusz, Hoppenthaler Florian, Nettesheim Stefan, Piezoelectric Direct Discharge: Devices and Applications, Plasma, 4, 1, 2020. Crossref

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