(Color online) (a) Schematic of the experimental setup. (b) Image of the plasma jet with 900 SCCM Ar (P j = 18 W).
(Color online) The effect of power on plume length.
(Color online) Typical oscillograms of applied voltage and discharge current of a filamentary discharge (FD) in Ar at 11.55 kHZ excitation frequency.
(Color online) Morphological differences between the dead cells and the viable cells stained with neutral red under inverted microscope (Olympus IX70).
(Color online) Survival curves of A549 cells in 900 SCCM Ar with different applied powers and exposure time at a nozzle-to-sample separation of 3 mm.
(Color online) Emission spectrum of plasma with 900 SCCM Ar taken at 3 mm bottom the plume and P j = 18 W.
(Color online) Emission spectrum of the plasma with 900 SCCM Ar taken at 2 mm deep in DMEM and P j = 18 W.
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