Royal Society of Chemistry, RSC Advances, 52(5), p. 42135-42140
DOI: 10.1039/c5ra01109d
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He / N2 cold atmospheric plasma treatment of E. coli suspension lead to a fast and efficient inactivation process. Significant generation of ammonium is reported. The formation of NH4+ species in saline solution treated by cold atmospheric plasma is proposed for the first time as the main process responsible for the fast bacterial inactivation in pH-buffered solutions, at ambient temperature and physiological pH.