Figure 1 | Scientific Reports

Figure 1

From: Effect of additive oxygen gas on cellular response of lung cancer cells induced by atmospheric pressure helium plasma jet

Figure 1

Plasma jet device used to treat living cells.

Structure of the jet devices and photographs of helium/oxygen plasma for different oxygen flow rates (Type 1: one channel with admixture gas, Type 2: a capillary tube acts as a separate channel for O2 gas mixing). A typical operating condition of pulsed-dc plasma jet is the applied voltage 1.8 kVpp, repetition frequency 50 kHz and duty ratio 10%.

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