(a) A nonthermal soft plasma jet comprising mainly of a high-voltage power supply, dielectrics, and electrodes. Distance between the cell media or target and outer electrode was kept to 5-10 mm during exposure. Reproduced with permission from [81
], Copyright 2020, MDPI. (b) Plume of soft plasma jet through exit nozzle. Reproduced with permission from [83
], Copyright 2019, MDPI.
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