The invention relates to a method for treating an elongated object using a plasma process. The method comprises the steps of providing an elongated object in a planar electrode structure, and applying potential differences between electrodes of an electrode structure to generate the plasma process. Further, the method comprises at least partially surrounding the elongated object by a unitary section of the guiding structure, the electrode structure being associated with the unitary section.

An underwater low temperature plasma generating device includes a first electrode of a tubular type, a second electrode that is arranged inside the first electrode to generate bubbles in water introduced into the first electrode, an insulator arranged between the first electrode and the second electrode and a power supply. The plasma generating device generates low temperature plasma by generating an electric field underwater. The plasma generating device can be used to sterilize contaminated water with low temperature plasma that is generated underwater.

An inductively coupled plasma (ICP) torch is described that includes a tapered outer end. A system embodiment includes, but is not limited to, a tubular sample injector configured to receive an aerosolized sample in an interior defined by walls of the tubular sample injector; an inner tube surrounding at least a portion of the tubular sample injector to form a first annular space between the inner tube and the walls of the tubular sample injector, the inner tube defining at least one inlet port for introduction of an auxiliary gas into the first annular space; and an outer tube surrounding at least a portion of the inner tube to form a second annular space, the outer tube defining at least one inlet port for introduction of a cooling gas into the second annular space, the outer tube having a flared region at an outlet of the outer tube.

An ionization device includes a first electrode comprising a conductive member coated with a dielectric layer. The ionization device also includes a spine extending adjacent to and at least partially along the first electrode. The ionization device further includes a second electrode comprising conductive segments disposed adjacent the first electrode. Each one of the conductive segments contacts the spine at a respective contact location. The dielectric layer of the first electrode separates the conductive member of the first electrode from the spine and the second electrode. The ionization device is configured to create plasma generating locations corresponding to respective crossings of the first electrode and the second electrode.

The present invention relates to an underwater low temperature plasma generating device. The device includes: a first electrode of a tubular type; a second electrode that is arranged inside the first electrode to generate bubbles in water introduced into the first electrode; and an insulator arranged between the first electrode and the second electrode. The plasma generating device further includes a power supply. The plasma generating device generates low temperature plasma by generating an electric field underwater. The present invention has an advantageous effect of realizing a tubular low temperature intensive plasma generator that can sterilize contaminated water with low temperature plasma that is generated underwater.

Water is flowed inside main body section formed from an insulating material such that a specified space remains inside the main body section. Electrodes and are arranged along the outer walls of the main body section and voltage is applied to the electrodes. Processing gas present inside the main body section is plasmarized and plasma is emitted to the water flowing inside the main body section.

A method for preparing cold atmospheric plasma stimulated cell culture media with a cold atmospheric plasma system having a delivery port out of which an inert gas flows. The inert gas may be helium. The method comprises the steps of placing a cell culture media in a first well, the first well having a bottom and having a diameter greater than 20 mm; wherein the cell culture media placed in the first well has a volume of 4 ml or less, treating the cell culture media in the first well with cold atmospheric plasma, wherein the treating is performed with a gap between the delivery port and the bottom of the first well is between 2.5 cm and 3.5 cm, and transferring a portion of the treated media to cultured cancer cells in a second well. The cold atmospheric plasma may be applied for 0.5 minutes to 2 minutes.

A method and a device for generating a plasma in atmospheric-pressure, low-temperature conditions are described herein. The device described for the generation of the plasma comprises a first pair of electrodes, each of which separated by a dielectric layer and externally positioned with respect to a tubular duct where the gas flows, and a second pair of electrodes, also in this case each of which separated by a dielectric layer and externally positioned with respect to said tubular duct where the same gas flows downstream with respect to the first pair with respect to the direction of the flow. A high-frequency excitation is applied to the first pair of electrodes while a Radio-Frequency excitation is applied to the second pair of electrodes. The plasma generated in this manner emerges from the gas flow at the outlet of the transport duct. The high-frequency excitation can be applied in pulse trains and the Radio-Frequency generator is substantially activated in said pulse trains for the purpose of limiting the thermal load on the treated substrate. Chemical precursors and reagents can be added to the plasma as vapors or aerosols by means of a central transport duct coaxial with the tubular duct for the gas.

A plasma propulsion nozzle incorporates a cylinder having an inlet and an outlet. A plurality of substantially cylindrical planarly disbanded electrodes with sandwiched dielectric spacers is cascaded in an array to be concentrically expanding from the inlet through an interior chamber to the outlet for a nozzle. A voltage source applies aperiodic signal with rapidly reversing polarity to the electrodes with differential phase applied to adjacent electrodes in the array creating and expelling plasma clusters at each dielectric spacer inducing flow from the nozzle outlet to produce thrust.

A device for treating living cells by plasmaporation contains, in addition to devices for generating plasma and generating a field, devices for mixing and transporting active substances, predominantly in the form of nano and microparticles, for affecting the metabolism of the cells.