Effect of feed-gas humidity on nitrogen atmospheric-pressure plasma jet for biological applications

Stephan, Karl; McLean, Robert; DeLeon, Gian; Мельников, В.П.

doi:10.3233/thc-161226

Cited by 1 publication

(1 citation statement)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In practice, it turned out that humid air is a very convenient discharge atmosphere for surface decontamination [16,[41][42][43][44][45][46][47][48]. Given the extensive studies available, the literature on the subject is surprisingly internally inconsistent [49], apparently also due to the complexity of the humid air plasma chemistry.…”

Section: Bacterial Biofilm Decontaminationmentioning

confidence: 99%

Multi-Hollow Surface Dielectric Barrier Discharge for Bacterial Biofilm Decontamination

et al. 2021

View full text Add to dashboard Cite

The plasma-activated gas is capable of decontaminating surfaces of different materials in remote distances. The effect of plasma-activated water vapor on Staphylococcus epidermidis, methicillin-resistant Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli biofilm contamination was investigated on the polypropylene nonwoven textile surface. The robust and technically simple multi-hollow surface dielectric barrier discharge was used as a low-temperature atmospheric plasma source to activate the water-based medium. The germicidal efficiency of short and long-time exposure to plasma-activated water vapor was evaluated by standard microbiological cultivation and fluorescence analysis using a fluorescence multiwell plate reader. The test was repeated in different distances of the contaminated polypropylene nonwoven sample from the surface of the plasma source. The detection of reactive species in plasma-activated gas flow and condensed activated vapor, and thermal and electrical properties of the used plasma source, were measured. The bacterial biofilm decontamination efficiency increased with the exposure time and the plasma source power input. The log reduction of viable biofilm units decreased with the increasing distance from the dielectric surface.

show abstract

Section: Bacterial Biofilm Decontaminationmentioning

confidence: 99%

Multi-Hollow Surface Dielectric Barrier Discharge for Bacterial Biofilm Decontamination

et al. 2021

View full text Add to dashboard Cite

show abstract

Effect of feed-gas humidity on nitrogen atmospheric-pressure plasma jet for biological applications

Abstract: Atmospheric-pressure plasma jets using nitrogen as a feed gas have a greater oxidizing effect with a high level of humidity added to the feed gas.

Cited by 1 publication

References 9 publications

Multi-Hollow Surface Dielectric Barrier Discharge for Bacterial Biofilm Decontamination

Multi-Hollow Surface Dielectric Barrier Discharge for Bacterial Biofilm Decontamination

Contact Info

Product

Resources

About