Abstract: A microfluidic component used for measuring electrical impedance across a biological object, the component including a microfluidic space including a zone referred to as measurement zone, at least two electrodes arranged facing one another on each side of the measurement zone, the component being formed by assembling, along a longitudinal junction plane, at least two superposed layers referred to as lower layer and upper layer, the two layers each having at least one cavity, the two layers being assembled with one another in such a way as to position the two cavities facing one another in order to form the microfluidic space.

Abstract: A fluidic system including a fluidic component in which is produced a fluidic circuit that includes at least a first aperture and a second aperture opening onto two separate regions of the component, and an instrumented device fitted on the fluidic component, the instrumented device including a first element fastened to the fluidic component to close the first aperture and a second element fastened to the fluidic component to close the second aperture, a deformable portion joining the first element to the second element, the first element and/or the second element being instrumented with at least one actuator and/or an effector arranged to interact with an internal volume of the fluidic circuit.

Abstract: A process for manufacturing a micro-fluidic device, the device including a substrate made of thermoplastic polymer having a face called the upper face and a first micro-fluidic circuit that includes at least one aperture that opens onto the upper face, and a component bearing pads arranged to become anchored in the substrate on the periphery of the aperture, the process including the following steps: heating so that the anchoring pads of the component reach a temperature at least equal to the glass-transition temperature of the substrate; fastening the component to the substrate by embedding then anchoring its pads in the substrate.

Abstract: A fluidic valve device intended to be arranged in a fluidic circuit, the device notably including a first switching assembly including a first compartment defining a first internal space and a first permanent magnet arranged with the freedom to slide in the first internal space, a second switching assembly including a second compartment defining a second internal space and a second permanent magnet arranged with the freedom to slide in the second internal space, the first permanent magnet and the second permanent magnet being arranged relative to one another in such a way as to be in a first state of magnetic interaction, making it possible to obtain a first stable mechanical configuration or in a second state of magnetic interaction, it possible to obtain a second stable mechanical configuration.

Abstract: A fluidic valve device intended to be arranged in a fluidic circuit, the device notably including a first switching assembly including a first compartment defining a first internal space and a first permanent magnet arranged with the freedom to slide in the first internal space, a second switching assembly including a second compartment defining a second internal space and a second permanent magnet arranged with the freedom to slide in the second internal space, the first permanent magnet and the second permanent magnet being arranged relative to one another in such a way as to be in a first state of magnetic interaction, making it possible to obtain a first stable mechanical configuration or in a second state of magnetic interaction, it possible to obtain a second stable mechanical configuration.

Abstract: The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the fi

Abstract: A method of controlling a liquid lens in an imaging device, the liquid lens including a liquid-liquid interface between first and second immiscible liquids deformable by electrowetting; a chamber containing the first and second liquids, the first liquid being an insulating liquid and the second liquid being a conducting liquid; and a first electrode in contact with the second liquid and at least one second electrode insulated from the second liquid by an insulating layer, the first and second electrodes being arranged to allow a plurality of voltages levels to be applied between the first and second electrodes to control the curvature of the liquid-liquid interface, the method including: determining motion data representative of a movement of the imaging device; determining focusing data representative of a desired focus of the imaging device; determining the plurality of voltage levels to be applied between the first and second electrodes, wherein each of the voltage levels is a function of the motion data,

Abstract: The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the fi

Abstract: The present invention relates to masks for use in mass spectrometry, in particular MALDI, tissue section analysis, comprising a plate made of or coated by an opaque material and having a thickness of less than 150 ?m, said plate comprising regularly spaced openings, wherein in the plate upper plane, the diameter D of the largest circle comprising only one opening is superior to the diameter d of a mass spectrometer, in particular a MALDI analyzer, laser beam divided by sin ?, wherein ? is the mass spectrometer, in particular a MALDI analyzer, laser beam incidence angle with respect to the sample plane. The invention also concerns processes of manufacture of the masks according to the invention, the use thereof for mass spectrometry, in particular MALDI, imaging of tissue sections, and a method for MALDI imaging of a tissue section using said masks.