Susceptibility of Staphylococcus aureus biofilms to reactive discharge gases.
Susceptibility of Staphylococcus aureus biofilms to reactive discharge gases.
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DOI:
10.1080/08927014.2011.602188
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发表时间:
2011-08
期刊:
影响因子:
2.7
通讯作者:
Liang JF
中科院分区:
文献类型:
--
作者:
Traba C;Liang JF
Formation of bacterial biofilms at solid-liquid interfaces creates numerous problems in both industrial and biomedical sciences. In this study, the susceptibility of Staphylococcus aureus biofilms to discharge gas generated from plasma was tested. It was found that despite distinct chemical/physical properties, discharge gases from oxygen, nitrogen, and argon demonstrated very potent and almost the same anti-biofilm activity. The bacterial cells in S. aureus biofilms were killed (>99.9%) by discharge gas within minutes of exposure. Under optimal experimental conditions, no bacteria and biofilm re-growth from discharge gas treated biofilms was found. Further studies revealed that the anti-biofilm activity of the discharge gas occurred by two distinct mechanisms: 1) killing bacteria in biofilms by causing severe cell membrane damage, and 2) damaging the extracellular polymeric matrix in the architecture of the biofilm to release biofilm from the surface of the solid substratum . Information gathered from this study provides an insight into the anti-biofilm mechanisms of plasma and confirms the applications of discharge gas in the treatment of biofilms and biofilm related bacterial infections.
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影响因子:
2.8
作者:
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通讯作者:
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影响因子:
3.8
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DOI:
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