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Generation and loss of reactive oxygen species in low-temperature atmospheric-pressure RF He+O2+H2O plasma

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conference contribution
posted on 2014-12-01, 15:44 authored by Kirsty McKay, Ding-Xin Liu, Ming-Zhe Rong, Felipe IzaFelipe Iza, Michael G. Kong
This study focuses on the generation and loss of reactive oxygen species (ROS) in lowtemperature atmospheric‐pressure rf (13.56MHz) He+O2+H2O plasmas, which are of interest for many biomedical applications. Pure He+O2 plasmas are a good source of ozone, singlet oxygen and atomic oxygen, with densities of these species increasing as oxygen content increases1. He+H2O plasmas offer an interesting alternative to He+O2 plasmas as a source of reactive oxygen species (ROS), and they produce significant amounts of hydrogen peroxide, hydroxyl radicals and hydroperoxyl radicals, which increase with increasing water content2. Admixtures of O2 and H2O lead to richer cocktails of ROS that combine all these species.

Funding

This work was supported by the Engineering Physical Science Research Council (EPSRC) of UK

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

39th IEEE International Conference on Plasma Science

Pages

1B-2 - ?

Citation

MCKAY, K., ... et al, 2012. Generation and loss of reactive oxygen species in low-temperature atmospheric-pressure RF He+O2+H2O plasma. IN: Abstracts of the 2012 IEEE International Conference on Plasma Science (ICOPS), 8th-13th July 2012, Edinburgh, UK, pp. 1B-2.

Publisher

IEEE

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2012

Notes

This conference paper was presented at the 2012 IEEE International Conference on Plasma Science (ICOPS), held in Edinburgh in July 2012.

ISBN

9781457721274

ISSN

0730-9244

Language

  • en

Location

Edinburgh, UK

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