Winger

In a first aspect, the present invention relates to a gas diffusion electrode (15) for electrochemical gas conversion, comprising: i) a porous solid structure (20), comprising a network (30) formed of a plurality of interconnected electrically conductive wires, and a catalytic surface (32) for catalysing the electrochemical gas conversion, said catalytic surface (32) being a surface of the network (30) as such or of a catalyst (31) coating the network (30); and ii) an electrolyte (50) in the porous solid structure (20) and in contact with the catalytic surface (32); wherein-in operation-at least one side of the porous solid structure (20) is directly exposed to a gas flow comprising the gas to be converted (60), or indirectly exposed to said gas flow through a diffusion layer having a thickness of 10 µm or less, preferably 1 µm or less.

A method for screening entities with different characteristics for their effect on biological cells of a biological cellular material, comprising: laterally constraining said entities having different characteristics in different locations of said biological cellular material, thereby preventing mixing of said entities having different characteristics; applying a transfection activation field to said different locations to allow said entities to be delivered into said biological cells, thereby allowing said entities to have an effect on said biological cells; and detecting said effect.

A device for delivering charged entities into biological cells of a biological cellular material, comprising a microelectrode array for supporting the biological cellular material, the microelectrode array comprising individually addressable electrodes made of an electrically-conductive CMOS-compatible material having an oxide top layer, and the charged entities electrostatically coupled to the oxide top layer. The oxide top layer may be a native oxide top layer. The charged entities can be negatively charged entities electrostatically attached to positively charged carriers directly attached to the oxide top layer, or positively charged entities encapsulated in a negatively charged carrier electrostatically coupled to the native oxide top layer. The electrically-conductive CMOS-compatible material can be a metal, metal nitride, or metal oxide. Charged entities differing in their characteristics may be electrostatically coupled to distinct electrodes of the microelectrode.

A method for identifying biomarkers of a health condition, comprising: providing a first neuronal circuit with neuronal cells from a first individual organism on a multi-electrode array, applying stimuli to the circuit, obtaining electrophysiological recordings, deriving cell-level and/or circuit-level features from the recordings, associating derived features with presence or absence of the health condition, comparing associated data with reference data, and determining if reference features or derived features are biomarkers for the condition.

A microfluidic device (100) comprising: a monolithic semiconductor substrate (10) with thermal conductivity ks; one or more heaters (20) on its top surface, each with a heating element (21); a thermal insulation layer (40) between the heaters (20) and the substrate (10), with thermal conductivity ki at least 50 times smaller than ks; and one or more liquid cooling units (30) with cooling fins (31) on the substrate's bottom surface. Each fin (31) has an extremity (32) within 100 µm of a heating element (21). A cover (60) encloses the cooling units (30), forming cooling channels (61) and including inlet (62) and outlet (63) ports for liquid circulation.

A barbecue appliance comprising: a grilling and/or griddling section; a slow cooking chamber; a fire pit for, in use, simultaneously supplying heat to both the grilling and/or griddling section and the slow cooking chamber; wherein the slow cooking chamber is adjustable in position relative to the fire pit to control its temperature.

An energy handling system (100) comprises a DC motor/generator (210) for converting between DC electrical energy and mechanical energy, and a compressed air energy storage equipment (220) for converting between mechanical energy and compressed air using energy exchange units based on a flexible fluid container in a vessel. A controller (230) is configured for converting DC electrical energy into mechanical energy using the DC motor/generator and for converting the mechanical energy into compressed air using the compressed air energy storage equipment. The controller (230) is further configured for re-converting compressed air stored in the compressed air energy storage equipment back into mechanical energy using the DC motor/generator. The energy handling system (100) also includes a DC-AC converter for converting DC electrical energy into AC electrical energy, and is configured for providing DC electrical energy to the DC-AC converter (120) using the compressed air energy storage equipment and the DC motor/generator (210). The energy handling system (100) further comprises at least one DC electrical green energy source (110) connected to the DC motor/generator for driving it as a motor using DC electrical energy.

A system and method for verifying the authenticity of video content is described. The system comprises a transmitter device including video capture functionality configured to capture video data of a scene and an artificial lighting device arranged to illuminate at least a portion of the scene during at least part of the capture by the video capture functionality. It also comprises an authentication platform configured to control the artificial lighting device to introduce controlled, variable lighting changes into the scene according to predetermined instructions, to receive the captured video data from the video capture functionality, and to analyze the captured video data to detect artifacts resulting from the controlled lighting changes. It further compares the detected artifacts with expected artifacts based on the predetermined instructions to determine the authenticity of the video content.

An energy handling system (1) for converting, storing or transmitting energy, the energy handling system (1) is described. It comprises a heat exchange unit (100) for exchanging heat between a first substance (110) and a second substance (120). The heat exchange unit (100) comprises a first inner compartment (130) and a second outer compartment (140), the first inner compartment (130) and the second outer compartment (140) being positioned adjacent each other and being separated by a heat exchange surface (150). It also comprises a bladder (200) being mounted in the first inner compartment (130) so as to form in the first inner compartment (130) a hermetically sealed volume (170) between the outer surface of the bladder (200) and the heat exchange surface (150), the hermetically sealed volume (170) being filled with the first substance (110), the bladder (200) being configured for being filled with bladder fluid (202). It furthermore comprises a controller for controlling the filling of the bladder (200) with bladder fluid (202) for inducing heat exchange at the heat exchange surface (150).

A vessel (101) for use in an energy exchange unit (100) is described. The vessel (101) comprises an inner surface (150). At least a portion of the inner surface (150) is provided with a protective material (200) to prevent damage to a balloon (160) fixed within the vessel (101) and further contacting the inner surface (150) of the vessel (101) when the balloon (160) is expanded. In some embodiments, the protective material (200) prevents the balloon from entering an assembly gap between different parts forming the vessel.