The atmospheric pressure plasma jet is studied as potential plasma source for medical applications in direct contact with living tissues. Plasma bullets are generated in the region of the high voltage electrode and propagate towards the tissue surface. The presence of a localized plasma structure on tissues, played here by a human fingertip, is experimentally revealed. It was found that this plasma structure is sustained by a current flowing through

Nowadays, atmospheric pressure plasma jets using a dielectric-barrier discharge with an axial symmetry configuration attract the interest of many researchers. However, the mechanisms responsible for the generation of atmospheric plasma jets still remain unknown. In this paper, using intensified charge-coupled device images, we present the “bulletlike” structures of a plasma jet traveling at supersonic velocities.

A sinusoidally driven needle-to-plane discharge in flowing helium at atmospheric pressure was investigated by means of electrical, optical and spectroscopic (VUV, UV and OES) measurements. 'Bullet-like' behaviour of the discharge was observed and investigated with special interest towards velocities and size of the 'forward bullet'. The influence of the discharge gap and oxygen admixture on the discharge properties was analysed. The focus of this

New experiments using atmospheric pressure plasma have found large application in treatment of living cells or tissues, wound healing, cancerous cell apoptosis, blood coagulation on wounds, bone tissue modification, sterilization and decontamination. In this study an atmospheric pressure plasma jet generated using a cylindrical dielectric-barrier discharge was applied for treatment of burned wounds on Wistar rats' skin. The low temperature plasma