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. 2021 Jan 28;12:618209. doi: 10.3389/fmicb.2021.618209

FIGURE 1.

FIGURE 1

Schematic representation of a single-electrode cold atmospheric plasma (CAP) jet. During CAP treatment of the infected water samples, the electrode and glass tube are submerged in 10 mL samples and CAP streamers can be seen. Streamers enter the samples in the form of bubbles through the four openings, two on each side of the glass tube.