Abstract: Described herein is a method for manufacturing a catalytically-active membrane-electrode-assembly (20) with one or more, particularly two electrodes, the method comprising at least the steps of: i) depositing a heterogenous layer (3) on a substrate (5), the heterogeneous layer (3) comprising a base metal (1) and a noble metal (2) heterogeneously distributed in the heterogenous layer (3), ii) leaching of the base metal (1) out of the heterogeneous layer (3), such that a first self-supporting nanoporous catalyst layer (4) comprising the noble metal (2) is formed on the substrate (5), iii) adding of at least one kind of proton-conductive ionomers (40) and/or at least one kind of hydrophobic particles (41) and/or an ionic liquid (42) to the first self-supporting nanoporous catalyst layer (4), and iv) forming a catalytically-active membrane-electrode-assembly (20) by attaching the self-supporting nanoporous catalyst layer (4) to a first side of a membrane (10), such that a catalytically-active membrane-electrode-a

Abstract: The invention relates to a system (1) for generating and controlling a non-thermal atmospheric pressure plasma, comprising: —a discharge space (10) into which a working gas can be introduced via a first opening (12), wherein a plasma (5) can be generated in the discharge space (10), wherein the discharge space (10) has a second opening (14), so that the plasma (5, 6) can exit from the discharge space (10) through this second opening (14) and —at least one high-voltage electrode (20) for generating an electromagnetic field for generating a plasma (5) in the discharge space (10). The plasma (5, 6) exiting through the second opening (14) is controlled by a throughflow controller (40) of the system (1), which throughflow controller (40) is designed to adjust a volume flow (60) of the working gas through the first opening (12) from a working gas source (50) into the discharge space (10).

Abstract: The invention relates to a method for disinfecting surfaces comprising providing an active solution comprising the reactants H2O2 and NO2-, wherein the active solution comprises at least one stopping agent, wherein the stopping agent is a solvent having a boiling temperature below 100° C. Furthermore, the invention relates to a device for the application of this process.

Abstract: The invention relates to a device (1) for disintegrating particles (3) of a suspension with ultrasonic sound, the device (1) comprising: a channel (10) for a suspension, wherein the channel (10) comprises a particle-processing portion (12), at least one pump (20) configured and arranged to adjust a flow velocity of the suspension in the channel (10), at least one ultrasonic sound source (30), arranged such at the channel (10) that an ultrasonic field generated by the ultrasonic sound source (30) extends at least in the particle-processing portion (12) inside the channel (10), wherein the device (1) comprises an instrumentation and control system configured to regulate the flow velocity of the suspension such that particles (3) of the suspension are arrangeable in a predefined spatial particle distribution in the particle-processing portion (12) of the channel (10) by adjusting the flow velocity of the suspension with respect to an inertial force (40) acting on the suspension, wherein the inertial force (40

Abstract: The invention relates to a device (10) for generating a plasma jet (P) comprising a first conduit (11) inside a second conduit (12), a first electrode (17) and a second electrode (18) for generating an electric field in a feed gas flow (F) provided in a first flow channel (15) to generate a plasma jet (P), and adapted to provide a curtain gas flow (C) in the space between the first and second conduit (11,12), wherein the first electrode (17) is positioned radially outside of the first flow channel (15), and wherein the radial distance of the second electrode (18) from a longitudinal axis (I) is larger than the radial distance of the first electrode (17) from said longitudinal axis (1). The invention further relates to an endoscope comprising a device (10), a method for generating a plasma jet (P), a method and a use of the device (10) for manipulating a cavity.

Abstract: The invention relates to a disinfection process comprising the feed materials H2O2 and NO2? and a mixing step and a distribution step, wherein the mixing step and the distribution step (during which each point on the surface being disinfected is wetted with a solution of active substance) are implemented during a processing period ZA. An exposure step follows, in which the distributed solution of active substance acts upon the surface in contact with the solution of active substance during an exposure period ZE. In this process, the maximum NO2? concentration during the mixing step is of 300 mM, and the time-integrated reaction rate W is represented during the exposure period ZE by the integral formula (I), where k1 denotes the pH-value-dependent speed constant of the reaction between H2O2 and NO2? and the pH value of the solution of active substance before it contacts the surface being disinfected lies in the range of 2.1?pH?6.8.

Abstract: The invention relates to a device for producing a cold atmospheric pressure plasma for the treatment of human and/or animal surfaces, comprising a flexible, planar multilayer system with a side facing the surface to be treated and a side facing away from the surface to be treated, wherein the multilayer system comprises the following layers, namely a first electrode layer on the facing away side of the multilayer system, second electrode layer on the facing side of the multilayer system, wherein the electrode layer has a plurality of recesses or is formed in a grid-like or meander-shaped fashion, a dielectric layer arranged between the first electrode layer and the second electrode layer, and a spacer layer arranged adjacent the second electrode layer on the facing side of the multilayer system. In addition, the invention relates to a cable, a generator unit for providing a high voltage, and a system.

Abstract: The invention relates to a device (1) for disintegrating particles (3) of a suspension with ultrasonic sound, the device (1) comprising: a channel (10) for a suspension, wherein the channel (10) comprises a particle-processing portion (12), at least one pump (20) configured and arranged to adjust a flow velocity of the suspension in the channel (10), at least one ultrasonic sound source (30), arranged such at the channel (10) that an ultrasonic field generated by the ultrasonic sound source (30) extends at least in the particle-processing portion (12) inside the channel (10), wherein the device (1) comprises an instrumentation and control system configured to regulate the flow velocity of the suspension such that particles (3) of the suspension are arrangeable in a predefined spatial particle distribution in the particle-processing portion (12) of the channel (10) by adjusting the flow velocity of the suspension with respect to an inertial force (40) acting on the suspension, wherein the inertial force (40

Abstract: A modular plasma jet treatment system comprising a plasma source with a high-voltage module comprising a high-voltage electrode and first connection means, as well as a plasma jet applicator wherein the plasma jet applicator comprises a cavity for a process gas, wherein a ceiling portion of the cavity is either arranged on the plasma jet applicator and/or on the high-voltage module, the cavity comprising a process gas inlet and at least one plasma jet outlet, wherein the plasma jet applicator comprises a second connection means, such that the plasma jet applicator and the high-voltage module are repeatedly connectable and releasable, wherein, when the plasma jet applicator is connected to the high-voltage module, the cavity is adjacently arranged with the ceiling portion at the high-voltage module, and wherein the cavity is separated by a dielectric from the high-voltage electrode of the high-voltage module.

Abstract: The disclosure relates to a device for treatment of skin, mucous membranes or body parts with a cold atmospheric pressure plasma by generating a dielectric barrier surface discharge, including a flexible insulating material, a flexible high-voltage electrode, a flexible dielectric, a flexible grounded electrode, a gas supply, wherein the flexible high-voltage electrode is embedded between the flexible insulating material and the flexible dielectric, wherein the grounded electrode is applied on a surface of the flexible dielectric that is configured to face a curved surface of a body part to be treated, wherein the flexible high-voltage electrode, the flexible dielectric and the flexible grounded electrode of the device form a flexible layered arrangement for providing the cold atmospheric pressure plasma, wherein the arrangement forms a hollow spherical body with a closed volume and wherein a plasma can be ignited for treating the curved surface with the cold atmospheric pressure plasma.

Abstract: The invention relates to a device (10) for treating a liquid with a plasma, wherein the device (10) has a high-voltage electrode (20) as well as a liquid-permeable ground electrode device (30). The ground electrode device (30) has a flat, conductive region (32) and a porous region (34) arranged on the flat, conductive region (32), wherein the conductive region (32) is liquid-permeable along its flat extension. A discharge space (40) is formed between the ground electrode device (30) and the high-voltage electrode (20). A first dielectric (50) is arranged on the high-voltage electrode (20) so that a plasma can be generated in the discharge space (40) by means of a dielectric barrier discharge. Moreover, the device (10) has an initial flow volume (60) into which the liquid (12) can be conducted, and that is surrounded by a wall (62).

Abstract: The invention relates to a disinfection process comprising the feed materials H2O2 and NO2? and a mixing step and a distribution step, wherein the mixing step and the distribution step (during which each point on the surface being disinfected is wetted with a solution of active substance) are implemented during a processing period ZA. An exposure step follows, in which the distributed solution of active substance acts upon the surface in contact with the solution of active substance during an exposure period ZE. In this process, the maximum NO2? concentration during the mixing step is of 300 mM, and the time-integrated reaction rate W is represented during the exposure period ZE by the integral formula (I), where k1 denotes the pH-value-dependent speed constant of the reaction between H2O2 and NO2? and the pH value of the solution of active substance before it contacts the surface being disinfected lies in the range of 2.1?pH?6.8.

Abstract: The invention relates to a device, a system and a method for antimicrobial treatment during the performance of operations in bodies, a method for manufacturing the device as well as a computer program. There is provided a device (11) for antimicrobial treatment during the performance of operations, in particular minimally invasive operations, in bodies. Said device comprises a base body (1) for partial introduction into a body and, furthermore, at least one plasma source (12) arranged in at least one portion of the base body (1). The plasma source (12) has at least one high-voltage electrode (9) which is at least partially covered and in particular completely covered with a dielectric (10), which high-voltage electrode is set up to produce a plasma by means of dielectric barrier discharge when an electrical voltage is applied and in conjunction with a second electrode.

Abstract: The invention relates to a device (10) for treating a liquid with a plasma, wherein the device (10) has a high-voltage electrode (20) as well as a liquid-permeable ground electrode device (30). The ground electrode device (30) has a flat, conductive region (32) and a porous region (34) arranged on the flat, conductive region (32), wherein the conductive region (32) is liquid-permeable along its flat extension. A discharge space (40) is formed between the ground electrode device (30) and the high-voltage electrode (20). A first dielectric (50) is arranged on the high-voltage electrode (20) so that a plasma can be generated in the discharge space (40) by means of a dielectric barrier discharge. Moreover, the device (10) has an initial flow volume (60) into which the liquid (12) can be conducted, and that is surrounded by a wall (62).

Abstract: The invention relates to a device for the treatment of free-form areas and zones of human or animal skin areas or plant surfaces by means of cold atmospheric-pressure plasma. The core of the device is a specific, preferably gas-permeable, electrode arrangement for generating a dielectrically impeded surface discharge where the earthed electrode is composed of electrically conductive textile material and the high-voltage electrode consists of a thin wire or electrically conductive thread which is sheathed with an insulting layer which has to meet specific requirements. On the basis of the present invention, it is possible to generate, in the area of diseased skin parts of the human body, in direct proximity to the skin surface or to wounds, a flat plasma for the treatment of the diseased areas which is acceptable in respect of the stress on the skin caused by temperature and electric potentials.

Abstract: A device for generating plasma (1) comprises a high voltage electrode (10) as well as at least one external electrode (11, 12), wherein the high voltage electrode (10) at least in one coordinate direction (34) is arranged between conductive material of at least one external electrode (11, 12). The high voltage electrode (10) is covered with a dielectric (21) at least one side facing an external electrode (11, 12). Between the respective external electrode (11, 12) and the high voltage electrode (10) over its longitudinal extension at least one spacer element (20) is present, which at least in the region of its arrangement electrically insulates the respective external electrode (11,12) from the high voltage electrode (10) and which positions the respective external electrode (11, 12) at a constant distance from the high voltage electrode (10), wherein the spacer element is a gas-permeable foil.

Abstract: The invention relates to a method for generating a product gas stream (G), comprising the steps: provision of a process gas stream (P), generation of a reactive gas stream (R) from the process gas stream (P) at reduced pressure, provision of a compressed gas stream (D) and mixing the reactive gas stream (R) with the compressed gas stream (D) with formation of a product gas stream (G).

Abstract: The device for treating an object with plasma comprises a jacket apparatus (10) which forms, or can form, a substantially gas-tight holding chamber (15) in which an object (1) to be treated can be accommodated. The device comprises a first electrode (20) and a second electrode (21), wherein the two electrodes (20, 21) are arranged with reference to the jacket apparatus (10) such that a plasma (2) can be generated in the holding chamber (15) of the jacket apparatus (10). A wall (13) of the jacket apparatus (10) forming the holding chamber (15) of the jacket apparatus (10) has a modulus of elasticity of Ew<10 kN/mm2, at least in sections. The device comprises a housing (30), by means of which a housing interior (33) is or can be formed, wherein the jacket apparatus (10) is arranged within the interior of the housing (33).

Abstract: The invention relates to a modular plasma jet treatment system (1), particularly for therapeutic or oral applications, comprising a plasma source (2) with least the following components; a high-voltage module (20) comprising a high-voltage electrode (21) and first connection means, a plasma jet applicator (30) configured to generate at least one plasma jet (35), wherein the plasma jet applicator (30) comprises a cavity (31) for a process gas (100), wherein a ceiling portion (32) of the cavity (31) is either arranged on the plasma jet applicator (30) and/or on the high-voltage module (20), the cavity (31) comprising a process gas inlet (33) and at least one plasma jet outlet (34), wherein the plasma jet applicator (30) comprises a second connection means, wherein the first and second connection means are configured such that the plasma jet applicator (30) and the high-voltage module (20) are repeatedly connectable and releasable, wherein, when the plasma jet applicator (30) is connected to the high-voltage mod

Abstract: The invention relates to a device, preferably a collar, for treating areas of human or animal skin or mucous membrane with a cold atmospheric pressure plasma by creating a dielectrically hindered surface discharge, comprising at least one flexible insulating material (1), a flexible high-voltage electrode (2), a flexible dielectric (3), a flexible grounded electrode (4) and a gas supply (7), characterized in that the flexible high-voltage electrode (2) is embedded in the insulating elastomer (3), having the effect of a dielectric, and the grounded electrode (4) is applied to the elastomer surface facing the surface to be treated.