Toxic Effects upon Bacteria of Phosphate-Buffered Saline Exposed in a High-Frequency Argon Discharge

Brustad, Tor; Boye, Erik; Wold, Einar

doi:10.2307/3574290

Cited by 2 publications

(1 citation statement)

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“…However, E. coli became nearly sterilized within 5 min in saline and PBS without acidification, which suggested the role of chloride in the N 2 plasma sterilization process. This is consistent with a previous report which showed that PBS containing NaCl had higher toxic effects on bacteria than PBS without NaCl 12. Highly reactive HClO is known to be formed by Cl − and ROS species 13…”

Section: Resultssupporting

confidence: 93%

Feeding‐Gas Effects of Plasma Jets on Escherichia coli in Physiological Solutions

Baik

Kim

Ryu

et al. 2012

Plasma Processes & Polymers

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The effects of air and N2 plasma jets on Escherichia coli inside four different physiological solutions and deionized water are reported here. The feeding gases are found to influence the plasma compositions, the interactions with the liquids, and the subsequent bactericidal effects depending on the aqueous solutions to which they are exposed. Air plasma enhances the bactericidal effects of deionized water and saline by acidification. On the other hand, N2 plasma induces higher toxicity in phosphate buffered saline by generating more electrons. Little bactericidal effects of cell culture media and blood plasma may be due to the slight change in the pH and due to electron scavenging by organic components. Taken together, our study provides additional insight into the basic interactions between plasma and cells in physiological solutions.

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Section: Resultssupporting

confidence: 93%