Journal
BIOINTERPHASES
Volume 10, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1116/1.4916533
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Funding
- BMBF [03Z2DN11, 12]
- project Plasmamedical Research-New pharmaceutical and medical fields of application - Ministry of Education, Science and Culture of the State of Mecklenburg-Western Pomerania
- European Union, European Social Fund [AU 11 038, ESF/IV-BM-B35-0010/13]
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One of the most desired aims in plasma medicine is to inactivate prokaryotic cells and leave eukaryotic cells unharmed or even stimulate proliferation to promote wound healing. The method of choice is to precisely control the plasma component composition. Here the authors investigate the inactivation of bacteria (Escherichia coli) by a plasma jet treatment. The reactive species composition created by the plasma in liquids is tuned by the use of a shielding gas device to achieve a reactive nitrogen species dominated condition or a reactive oxygen species dominated condition. A strong correlation between composition of the reactive components and the inactivation of the bacteria is observed. The authors compare the results to earlier investigations on eukaryotic cells and show that it is possible to find a plasma composition where bacterial inactivation is strongest and adverse effects on eukaryotic cells are minimized. (C) 2015 American Vacuum Society.
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