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- Q7201784 subject Q7452038.
- Q7201784 abstract "The plasma pencil is a dielectric tube where two disk-shaped electrodes of about the same diameter as the tube are inserted, and are separated by a small gap. Each of the two electrodes is made of a thin copper ring attached to the surface of a centrally perforated dielectric disk. The plasma is ignited when nanoseconds-wide high voltage pulses at kHz repetition rate are applied between the two electrodes and a gas mixture (such as helium and oxygen) is flown through the holes of the electrodes. When a plasma is ignited in the gap between the electrodes, a plasma plume reaching lengths up to 12 cm is launched through the aperture of the outer electrode and into the surrounding room air. The cold plasma plume emitted by the plasma pencil can be used to kill bacteria without harming skin tissue. Applications of the plasma pencil are in wound healing, killing of oral bacteria, and in controlled surface modification of heat-sensitive materials. The plasma pencil was invented by Mounir Laroussi, a plasma science professor at Old Dominion University, Norfolk, VA, USA.".
- Q7201784 thumbnail Plasma_Pencil.jpg?width=300.
- Q7201784 wikiPageExternalLink story?id=5987227&page=7.
- Q7201784 wikiPageExternalLink news050919-13.html.
- Q7201784 wikiPageWikiLink Q10251.
- Q7201784 wikiPageWikiLink Q10876.
- Q7201784 wikiPageWikiLink Q184753.
- Q7201784 wikiPageWikiLink Q184996.
- Q7201784 wikiPageWikiLink Q560.
- Q7201784 wikiPageWikiLink Q629.
- Q7201784 wikiPageWikiLink Q6919192.
- Q7201784 wikiPageWikiLink Q7452038.
- Q7201784 wikiPageWikiLink Q753.
- Q7201784 comment "The plasma pencil is a dielectric tube where two disk-shaped electrodes of about the same diameter as the tube are inserted, and are separated by a small gap. Each of the two electrodes is made of a thin copper ring attached to the surface of a centrally perforated dielectric disk.".
- Q7201784 label "Plasma pencil".
- Q7201784 depiction Plasma_Pencil.jpg.