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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Physical and biological mechanisms of direct plasma interaction with living tissue

Focus on Plasma Medicine

Danil Dobrynin1, Gregory Fridman2,4, Gary Friedman1 and Alexander Fridman3

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Part of Focus on Plasma Medicine

Mechanisms of plasma interaction with living tissues and cells can be quite complex, owing to the complexity of both the plasma and the tissue. Thus, unification of all the mechanisms under one umbrella might not be possible. However, the authors are attempting to make first steps in this direction. In this paper, analysis of interaction of floating electrode dielectric barrier discharge (FE-DBD) with living tissues and cells is presented and biological and physical mechanisms are discussed. In physical mechanisms, charged species are identified as the major contributors to the desired effect and a mechanism of this interaction is proposed. Biological mechanisms are also addressed and a hypothesis of plasma selectivity and its effects is offered.


PACS

87.80.-y Biophysical techniques (research methods)

52.77.-j Plasma applications

87.17.-d Cell processes

Subjects

Instrumentation and measurement

Medical physics

Biological physics

Plasma physics

Dates

Issue 11 (November 2009)

Received 18 May 2009

Published 26 November 2009



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