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Dynamics of Dielectric Barrier Discharges Over Wounded Skin

By Natalia Yu. Babaeva and Mark J. Kushner


Abstract—The intersection of plasma filaments in a dielectric barrier discharge with a small wound in the human skin in the context of plasma medicine is investigated with results from a computer model. The relative location of the filament with respect to the wound determines the symmetry of treatment. Index Terms—Dielectric barrier discharge (DBD), plasma medicine. ATMOSPHERIC-PRESSURE plasmas in direct contact with living tissue have therapeutic effects for wound healing and sterilization [1]. These effects are attributed to production of beneficial radicals intersecting with biological reaction chains, ions delivering activation energy to the tissue, and intracellular production of electric fields. A typical plasma source is a multifilamentary dielectric barrier discharge (DBD) where the tissue serves as a counter electrode (Fig. 1)

Year: 2010
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