How plasma induced oxidation, oxygenation, and de-oxygenation influences viability of skin cells

Oh, Jun Seok and Strudwick, Xanthe and Short, Robert D. and Ogawa, Kotaro and Hatta, Akimitsu and Furuta, Hiroshi and Gaur, Nishtha and Hong, Sung Ha and Cowin, Allison J. and Fukuhara, Hideo and Inoue, Keiji and Ito, Masafumi and Charles, Christine and Boswell, Roderick W. and Bradley, James W. and Graves, David B. and Szili, Endre J. (2016) How plasma induced oxidation, oxygenation, and de-oxygenation influences viability of skin cells. Applied Physics Letters, 109 (20). ISSN 0003-6951

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Abstract

The effect of oxidation, oxygenation, and de-oxygenation arising from He gas jet and He plasma jet treatments on the viability of skin cells cultured in vitro has been investigated. He gas jet treatment de-oxygenated cell culture medium in a process referred to as "sparging." He plasma jet treatments oxidized, as well as oxygenated or de-oxygenated cell culture medium depending on the dissolved oxygen concentration at the time of treatment. He gas and plasma jets were shown to have beneficial or deleterious effects on skin cells depending on the concentration of dissolved oxygen and other oxidative molecules at the time of treatment. Different combinations of treatments with He gas and plasma jets can be used to modulate the concentrations of dissolved oxygen and other oxidative molecules to influence cell viability. This study highlights the importance of a priori knowledge of the concentration of dissolved oxygen at the time of plasma jet treatment, given the potential for significant impact on the biological or medical outcome. Monitoring and controlling the dynamic changes in dissolved oxygen is essential in order to develop effective strategies for the use of cold atmospheric plasma jets in biology and medicine.

Item Type:
Journal Article
Journal or Publication Title:
Applied Physics Letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
ID Code:
135138
Deposited By:
Deposited On:
01 Aug 2019 12:50
Refereed?:
Yes
Published?:
Published
Last Modified:
07 Apr 2020 06:21