A system for generating cold plasma is presented, suitable for use in in-vivo treatment of biological tissue. The system comprising: a control unit connectable to an elongated member at a first proximal end of the elongated member. The elongated member comprises a plasma generating unit at a second distal end thereof and gas and electricity transmission channels extending from said first proximal end towards said plasma generating unit. The control unit comprises a gas supply unit configured to provide predetermined flow rate of selected gas composition through said gas transmission channel and a power supply unit configured to generate selected sequence of high-frequency electrical pulses, typically in mega Hertz range, directed through said electricity transmission channel, thereby providing power and gas of said selected composition to the plasma generating unit for generating cold plasma.

A plasma treatment apparatus has a dielectric with an inner cavity and having a cylindrical shape, a coiled inner electrode positioned on the inner peripheral surface side of the dielectric and wound along the axial direction, an outer electrode positioned on the outer peripheral surface side of the dielectric and applying an AC voltage between the outer electrode and the inner electrode, and a gas supply part supplying to the inner cavity a gas to generate plasma by applying the AC voltage.

A detection device for detecting and characterizing biological energy fields emitted by biological specimens is configured to collect and analyze an electromagnetic signal that includes millimeter-length waves generated by the interaction of atmospheric plasma with torsion waves of the biological energy field. The device performs spectral analysis on the millimeter waves to determine characteristics of the corresponding torsion waves that generated them. An array of several hundred non-thermal plasma plumes are placed directly in front of a circular horn. A switchable circular polarizer is used to select left hand circular, linear or right hand circular polarization. A low noise frequency converter allows a noise temperature of less than 1150 K. A frequency scan and averaging algorithm is developed to characterize noise temperature versus frequency, comparing signal and noise levels between plasma on and plasma off, and switching polarization sense.

An apparatus is provided for treating a liquid with a plasma. The apparatus includes one or two dielectric barriers, and the dielectric barrier(s) and high voltage electrode define a discharge zone therebetween. A high voltage electrode may be electrically insulated from the discharge zone by the inner dielectric barrier. In this apparatus, the outer dielectric barrier is gas and the discharge zone is configured to accept a gas flow therethrough.

An apparatus comprising a cold-plasma ozone generator, the ozone generator comprising: a non-arcing non-coronal ozone production cell capable of generating ozone; the ozone production cell having a pair of electrodes placed on two sides of the production cell and spaced apart by an electrode gap, and a dielectric layer on each of the electrodes facing inward into the ozone production cell; a high-voltage pulse generator attached to the electrodes and configured for producing a glow discharge cold plasma between the electrodes, the high-voltage pulse generator being able to produce sufficient voltage to generate the glow discharge cold plasma; a cooling system attached to each of the electrodes; and an oxygen source adapted to provide gas flow through the production cell in the gap between the pair of electrodes that efficiently generates ozone in the cold plasma, wherein the dielectric layers are intimately and directly bonded to each of the electrodes.

Provided herein is a plasma generating device for medical treatment and sanitizing purposes which comprises a control unit and a plasma generator connecting to the control unit. The plasma generator comprises a plasma tube having a first end and a second end; a first dielectric layer disposed on the inner surface of the plasma tube; a first electrode disposed on the first dielectric layer; a second dielectric layer disposed on the first electrode; a second electrode disposed on the second dielectric layer; and a plasma nozzle disposed on the bottom cover on the second end of the plasma tube.

A method of: forming an aerosol of an aqueous liquid, and directing the aerosol into a plasma. The method can be used to degrade a polyfluoroalkyl substance.

An air purification device includes a reactor having a hollow shape and extending in one direction, a discharge plasma generator comprising a first electrode disposed on an outer wall of the reactor and a second electrode disposed inside the reactor, where the discharge plasma generator is configured to generate a discharge plasma in a discharge region, a plurality of dielectric particles disposed on a packed-bed of the reactor, a liquid supplier which supplies a liquid into the reactor, and a liquid recoverer which recovers the liquid discharged from the reactor.

The present invention discloses an ionization apparatus 10 for ionizing an analyte S, comprising an inlet E, an outlet A, a first electrode 1, a second electrode 2 and a dielectric element 3. The first electrode 1, the second electrode 2 and the dielectric element 3 are arranged relative to one another such that, by applying an electric voltage between the first electrode 1 and the second electrode 2, a dielectric barrier discharge is establishable in a discharge area 5 in the ionization apparatus 10. The first and second electrodes 1, 2 are arranged such that they are displaceable or movable relative to each other.

A dielectric barrier discharge device in an embodiment includes: a dielectric having a hollow-shaped flow path; a first electrode and a second electrode provided apart along the dielectric so as to cause a first region in which plasma is formed inside the flow path; and a power supply to apply a voltage between the first electrode and the second electrode. The dielectric includes a flow path area adjusting portion provided to project from an inner wall of the dielectric toward a center of the flow path in a manner that a first flow path cross-sectional area in the first region is smaller than a second flow path cross-sectional area in a second region other than the first region in the flow path.