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Atmospheric Cold Plasma Inactivation Of Escherichia Coli In Liquid Media Inside A Sealed Package, Dana Ziuzina, Sonal Patil, Paula Bourke, Kevin Keener, Patrick Cullen
Atmospheric Cold Plasma Inactivation Of Escherichia Coli In Liquid Media Inside A Sealed Package, Dana Ziuzina, Sonal Patil, Paula Bourke, Kevin Keener, Patrick Cullen
Articles
Abstract Aims: The main objective of this study was to determine the inactivation efficacy of dielectric barrier discharge atmospheric cold plasma (DBD-ACP) generated inside a sealed package for Escherichia coli ATCC 25922. Methods and Results: A plasma discharge was generated between two circular aluminium electrodes at 40 kV. E. coli suspensions (10^7 CFU/ml) in either maximum recovery diluent (MRD) or phosphate buffered saline (PBS) were treated in a 96-well microtitre plate inside a sealed package. The effects of treatment time, post-treatment storage time, either direct or indirect samples exposure to the plasma discharge and suspension media were studied. Regardless of …