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The effect of RF electric fields from an atmospheric micro-plasma needle device on the death of cells  

Yoon, Hyun-Jin (부산대 공대 전자전기통신공학부)
Shon, Chae-Hwa (한국전기연구원 전기물리연구그룹)
Kim, Gyoo-Cheon (부산대 치의학과)
Lee, Hae-June (부산대 공대 전자전기통신공학부)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.12, 2008 , pp. 2249-2254 More about this Journal
Abstract
A non-thermal micron size plasma needle is applicable for medical treatment because it includes radicals, charged particles, ultraviolet emission, and strong electric fields. The electric fields around the plasma needle device driven by a radio frequency wave are investigated in order to calculate the power delivered to the cell. A commercial multi-physics code, CFD-ACE, was utilized for the calculation of electric fields for the optimization of the needle structure. The electric field and energy absorption profiles are presented with the variation of the device structure and the distance between the needle and tissues. The living tissues effectively absorb the radio frequency power from the plasma needle device with the covered pyrex structure.
Keywords
Atmospheric plasma; Micro plasma needle; Two-dimensional simulation;
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