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A simple atmospheric pressure room-temperature air plasma needle device for biomedical applications
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10.1063/1.3258071
/content/aip/journal/apl/95/18/10.1063/1.3258071
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/18/10.1063/1.3258071
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic of the device. (b) Photograph of the air plasma touched by a human finger. The distance between the needle tip and the finger is about 1 mm. (c) Photograph of the device.

Image of FIG. 2.
FIG. 2.

(a) characteristic of the plasma. , , and are the voltages at three different locations, as shown in Fig. 1(a). I is the discharge current. (b) Zoom in the first three discharge current spikes I and the voltage on the needle .

Image of FIG. 3.
FIG. 3.

Experimental and simulated spectra of second positive system 0-0 transition.

Image of FIG. 4.
FIG. 4.

The emission spectra of the plasma for (a) 200–300, (b) 300–500, and (c) 500–800 nm.

Image of FIG. 5.
FIG. 5.

Photograph of Enterococcus faecalis on agar in Petri dish treated by the plasma. The distance between the needle tip and the bacteria sample is about 1 mm. During the treatment, the Petri dish moves with a speed of about 2 mm/s in a crisscross pattern.

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/content/aip/journal/apl/95/18/10.1063/1.3258071
2009-11-02
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A simple atmospheric pressure room-temperature air plasma needle device for biomedical applications
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/18/10.1063/1.3258071
10.1063/1.3258071
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