Non-Thermal Microbial Inactivation Using UnderwaterPlasma: Synergistic Effects of Capillary Discharge on E. coliand M. testaceum

This study investigated the synergistic effects of microorganism inactivation using under- water plasma, focusing on applications relevant to food safety. The underwater plasma was generated by capillary electrodes in 10% saltwater circulated at 5 t/h. Two representative bacteria, Escherichia coli (Gram-negative) and Microbacterium testaceum (Gram-positive), were selected due to their relevance to food and water contamination. Inactivation kinet- ics were assessed through first-order rate...