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Figure 1. Plasma discharge formed by the FE-DBD. FE-DBD: Floating electrode dielectric barrier discharge. Reproduced with permission from [19].
(Figure omitted. See article PDF.)
Figure 2. Microwave plasma system, MicroPlaSter beta (Adtec Plasma Technology Co. Ltd., London, UK). The system has all the functional units inside. The torch is located at the end of a flexible arm. A touch screen on the device is used for regulating the settings of the system. The insert shows six plasmas produced inside the torch.
(Figure omitted. See article PDF.)
Figure 3. Plasma plume launched out of the plasma pencil. Helium is the operating gas. Reproduced with permission from [46].
(Figure omitted. See article PDF.)
Figure 4. Atmospheric pressure plasma jet for the treatment of punctually inoculated test strips: schematic setup and photo taken with 8 ms of exposure time. RF: Radiofrequency. Reproduced with permission from [47].
(Figure omitted. See article PDF.)
Figure 5. Atmospheric pressure plasma jet, kINPen 09 (INP Greifswald/neoplas GmbH, Greifswald, Germany). For plasma production, radiofrequency power at 1.5 MHz is applied. Argon is used as the feed gas. Reproduced with permission from [45].
(Figure omitted. See article PDF.)
Figure 6. The three-layer structure of a surface micro discharge electrode. 1: Grounded mesh electrode; 2: Floating dielectric plate; 3: Powered planar electrode.
(Figure omitted. See article PDF.)
Figure 7. FlatPlaSter device (Adtec Plasma Technologies Co. Ltd, London, UK). (A) Construction drawing of the FlatPlatSter v2.0.7. (B) Photo of the device in use. SMD: Surface micro discharge. Reproduced with permission from [68].
(Figure omitted. See article PDF.)
Figure 8. MiniFlatPlaSter device (Adtec Plasma Technologies Co. Ltd, London, UK). (A) Construction drawing of the MiniFlatPlaSter 8. (B) MiniFlatPlaSter in use. Reproduced with permission from [68].
(Figure omitted. See article PDF.)
Figure 9. A possible electrode arrangement to produce a self-sterilizing surface discharge. The diameter of the electrode is 6 cm.
(Figure omitted. See article PDF.)
Plasma is called the fourth state of matter in physics, beside solid, liquid and gas, and is generated in a strong electric field. The resulting partly ionized gas consists of a highly reactive mix of ions and electrons, reactive molecules, excited species, electric fields and UV radiation and is normally accompanied by enormous production of heat. This heat is produced by collisions...