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Atmospheric-pressure air microplasma jets in aqueous media for the inactivation of Pseudomonas fluorescens cells
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10.1063/1.4803190
/content/aip/journal/pop/20/5/10.1063/1.4803190
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/5/10.1063/1.4803190
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The schematic diagram (a), (b), and photograph (c) of this well-aligned air microplasma jet array operating at atmospheric pressure.

Image of FIG. 2.
FIG. 2.

The photographs of the single microplasma jet taken by a digital camera with an exposure time of 40 ms for (a)  = 3 mm, (b)  = 8 mm, and (c)  = 13 mm as a function of applied voltage (V).

Image of FIG. 3.
FIG. 3.

The photographs of the single microplasma jet taken by a digital camera with an exposure time of 40 ms for (a)  = 3 mm, (b)  = 8 mm, and (c)  = 13 mm as a function of the air flow rate.

Image of FIG. 4.
FIG. 4.

The typical applied voltage and current waveforms of the single microplasma jet obtained at  = 3 mm, 8 mm, and 13 mm, and at the air flow rate of 1 SLM.

Image of FIG. 5.
FIG. 5.

The applied voltage and current waveforms of the single microplasma jet obtained at the air flow rates of (a) 0.3 SLM, (b) 1.0 SLM, and (c) 1.5 SLM.

Image of FIG. 6.
FIG. 6.

The applied voltage and the total current of the air microplasma jet array obtained at the flow rate of 20 SLM.

Image of FIG. 7.
FIG. 7.

The Lissajous figure of the single microplasma jet generated at V = 1.6 kV.

Image of FIG. 8.
FIG. 8.

The discharge powers of the single microplasma jet generated at  = 3 mm, 8 mm, and 13 mm as a function of V.

Image of FIG. 9.
FIG. 9.

The typical OES spectrum of the air microplasma jet array generated at  = 8 mm and V = 2.2 kV.

Image of FIG. 10.
FIG. 10.

The photographs of samples from (a) the untreated cultures; (b) plasma-treated for 2 min; (c) plasma-treated for 3 min; and (d) plasma-treated for 4 min.

Image of FIG. 11.
FIG. 11.

The concentration of the cultures diluted to 10 as a function of processing time.

Image of FIG. 12.
FIG. 12.

TEM images for (a) the untreated and (b) plasma-treated cell.

Image of FIG. 13.
FIG. 13.

The pH value of the cultures as a function of treatment time.

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/content/aip/journal/pop/20/5/10.1063/1.4803190
2013-05-03
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Atmospheric-pressure air microplasma jets in aqueous media for the inactivation of Pseudomonas fluorescens cells
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/5/10.1063/1.4803190
10.1063/1.4803190
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