Development of a cold atmospheric pressure microplasma jet for freeform cell printing

An atmospheric pressure non-thermal microplasma jet (Ø 50 μ m) was developed for localized functionalization of various substrates, including polymers, to allow maskless freeform cell printing. The applied microplasma jet power ranged from 0.1 to 0.2 W without causing any damage to the polyethylene...

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Bibliographic Details
Published in:Applied physics letters 2011-09, Vol.99 (11), p.111502-111502-3
Main Authors: Ayan, Halim, Yildirim, Eda D., Pappas, Daphne D., Sun, Wei
Format: Article
Language:English
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Summary:An atmospheric pressure non-thermal microplasma jet (Ø 50 μ m) was developed for localized functionalization of various substrates, including polymers, to allow maskless freeform cell printing. The applied microplasma jet power ranged from 0.1 to 0.2 W without causing any damage to the polyethylene substrate. The surface characterization results demonstrate that the microplasma treatment locally changes the surface roughness and the concentration of oxygen-containing functional groups on the polyethylene surface. The biological characterization confirms that the osteoblast cells attach and survive on the plasma activated line while untreated surfaces show almost no attachment and viability.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3638062