Plasma needle generates NO radical s

  • E. Stoffels
  • , Y. Aranda Gonzalvo
  • , T.D. Whitmore
  • , D.L. Seymour
  • , J.A. Rees

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

Abstract

This paper presents the first evidence for generation of nitric oxide (NO) by the plasma needle. Plasma needle is an atmospheric glow generated by a radio-frequency excitation in a helium-air mixture. This plasma source can be used for in vivo treatment, e.g. for disinfection of wounds/dental cavities and for microsurgery. Nitric oxide is a physiologically important radical; its presence may make the plasma suitable for many therapies, including treatment of cardiovascular diseases. Mass spectrometric measurements have been performed under various plasma conditions, in order to study the conversion of atmospheric oxygen and nitrogen into other species. Significant gas conversion (up to 20%) has been observed and large amounts of NO have been detected.
Original languageEnglish
Title of host publicationProceedings of the 27th International Conference on Phenomena in Ionised Gases (XXVII ICPIG 2005) 17-22 July 2005, Eindhoven, the Netherlands
Pages18-365-
Publication statusPublished - 2005

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