Abstract: A fluidic component intended to be associated with a heating module and wherein there is created a fluidic circuit which includes an inlet channel and an outlet channel, the fluidic component including a fluidic valve mechanism including: a fluidtight reservoir intended to be filled with a volume of gas capable of expanding, a deformable membrane closing the reservoir in a fluidtight manner, the membrane being able to deform by expansion of the volume of gas, between a first position wherein it forms a passage between the inlet channel and the outlet channel so as to allow a fluid to pass, and a second position wherein it obstructs the passage.

Abstract: A fluidic component including a fluidic circuit having at least one fluidic access through which a fluid is intended to pass, an actuator capable of expanding, a deformable membrane that can be actuated by the expansion of the actuator, sealing device for sealing off the fluidic access and including at least a body made of a meltable compound configured to adopt two states: a solid first state, a molten second state obtained under the effect of an increase in temperature, the body of meltable compound being designed to be moved in the molten state, by the expansion of the actuator, between a standby position and a distinct sealing-off position for sealing off the fluidic access.

Abstract: A fluidic component intended to be associated with a heating module and in which there is formed a fluidic circuit including a fluidic channel intended for the circulation of a fluid, the fluidic channel including at least one passage for the fluid and a widened portion forming a location produced at the periphery of the passage, the component including a fluidic valve mechanism including at least an actuating element capable of expanding, trapped by at least one body made of a meltable compound in the location.

Abstract: A membrane for collecting airborne particles, the membrane taking the form of a strip composed of a matrix formed from a mixture of a polymer and of a filler that is made of an electrical conductor, a hydrophilic layer for collecting particles, on which layer is deposited said matrix so as to form at least one composite layer, the membrane including at least one region obtained via a surface treatment of the hydrophilic layer.

Abstract: A method for collecting and analysing airborne particles, including a step of eluting particles precipitated on a collecting surface, a step of analysing the airborne particles collected in the reaction chamber, the eluting step being carried out by heating a first reservoir containing the elution liquid to a first temperature value, the analysing step being carried out by heating the reaction chamber to a second temperature value higher than the first temperature value, so as to: activate a detection reaction in the reaction chamber, isolate the reaction chamber during the detection reaction, initiate a device for sealing the reaction chamber, a step of sealing the reaction chamber.

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 device for collecting particles present in a gas or gas mixture, including a component, a collection zone disposed on the component, on which said particles are deposited, collection device configured to force said particles to be deposited against the collection zone, a fluidic elution circuit arranged in said component to elute the particles present in the collection zone.

Abstract: An electrostatic collector including: a collection chamber delimited by a tubular wall oriented along a first axis; a collection electrode configured to be disposed inside the collection chamber against the wall; a discharge electrode, of elongate form, that extends along the first axis and includes an end, in a shape of a tip, the end being disposed opposite the collection electrode; a first part of a first diameter, emerging on the tip-shaped end, a second part of a second diameter, the second diameter being greater than or equal to twice the first diameter, the second diameter for example being between 2 and 6 times the first diameter; and a sudden widening, extending between the first part and the second part.

Abstract: An electrostatic collector is provided, including a collection chamber, delimited by a tubular wall, and a support holding an electrode in position in the collection chamber and for removing it from the collection chamber, the support including a guide, passing transversally through the collection chamber, the first and second ends of which are fixed to the wall, the guide including a through opening configured to hold the electrode; a first attachment element, including at least one electrically conducting part, that will extend at least partly in the guide, from the first end towards the opening; and a second attachment element, including at least one electrically insulating part, that can move in translation in the guide from the second end towards the opening and from the opening towards the second end.

Abstract: A process carried out for lysing biological species present in an aqueous solution and for recovering a biological material resulting from the lysis of the biological species, the process being carried out by using a system which includes a vessel delimiting a volume, a first electrode and a second electrode each including an end placed in the volume formed by the vessel, a voltage-pulse-generating circuit. The process includes applying at least one voltage pulse between the two electrodes with the voltage-pulse-generating circuit connected to the two electrodes, so as to bring about the creation of an electric arc between the end of the first electrode and the end of the second electrode and the generation of at least one shockwave in the solution.

Abstract: An electrostatic collector including: a collection chamber delimited by a tubular wall oriented along a first axis; a collection electrode configured to be disposed inside the collection chamber against the wall; a discharge electrode, of elongate form, that extends along the first axis and includes an end, in a shape of a tip, the end being disposed opposite the collection electrode; a first part of a first diameter, emerging on the tip-shaped end, a second part of a second diameter, the second diameter being greater than or equal to twice the first diameter, the second diameter for example being between 2 and 6 times the first diameter; and a sudden widening, extending between the first part and the second part.

Abstract: An electrostatic collection device of particles in suspension in a gas including a collecting chamber with a collecting wall, part of which forms a collecting electrode. The collecting electrode faces a discharge electrode in the form of a wire, so as to create a corona discharge between the discharge electrode and the collecting electrode, the collecting wall extends to the periphery of the discharge electrode. The discharge electrode is maintained at a first end by a first holder and at the second end by a second holder, both holders made of electrically insulating material(s). At least one traversal wall protrudes from the collecting wall, and has a shape adapted to deflect the path of a liquid present in the gas and flowing on the collecting wall to the transversal wall such that it does not come into contact with the second holder.

Abstract: An electrostatic collector is provided, including a collection chamber, delimited by a tubular wall, and a support holding an electrode in position in the collection chamber and for removing it from the collection chamber, the support including a guide, passing transversally through the collection chamber, the first and second ends of which are fixed to the wall, the guide including a through opening configured to hold the electrode; a first attachment element, including at least one electrically conducting part, that will extend at least partly in the guide, from the first end towards the opening; and a second attachment element, including at least one electrically insulating part, that can move in translation in the guide from the second end towards the opening and from the opening towards the second end.

Abstract: The present invention relates to a device for the vaporization of a liquid, said device comprising: a reservoir capable of containing a liquid to be vaporized, a heating element capable of heating the liquid in order to vaporize the liquid, a capillary pump capable of pumping the liquid contained in said reservoir to said heating element by capillary pumping, and a capillary barrier arranged along a capillary pumping direction of the liquid to be vaporized downstream from the capillary pump, said capillary barrier being capable of preventing the non-vaporized liquid from escaping from the device.

Abstract: A device for collecting particles in air comprising a collecting chamber (4), a capillary tube (12) whereof one end (12.1) terminates in the chamber (4), a collecting electrode, the capillary tube (12) containing polarisable liquid. Sufficient difference in voltage is applied between the liquid and the collecting electrode (16) for a corona effect between the drop of liquid at the end of the capillary tube (12) and the collecting electrode (12) and the spraying of the drop (20) by electrospray. The corona discharge causes flow of air through the collecting chamber (4) and the electrospray ensures wetting of the collecting electrode (16).

Abstract: A device for collecting particles in air comprising a collecting chamber (4), a capillary tube (12) whereof one end (12.1) terminates in the chamber (4), a collecting electrode, the capillary tube (12) containing polarisable liquid. Sufficient difference in voltage is applied between the liquid and the collecting electrode (16) for a corona effect between the drop of liquid at the end of the capillary tube (12) and the collecting electrode (12) and the spraying of the drop (20) by electrospray. The corona discharge causes flow of air through the collecting chamber (4) and the electrospray ensures wetting of the collecting electrode (16).

Abstract: The invention relates to an electrostatic collection device (1) of particles in suspension in a gas environment by corona effect. The effect is created by a discharge electrode in the form of a wire (4) judiciously maintained at its two ends (40, 41), the maintaining means (7) downstream of the collecting chamber (2) extending inside at least one space delimited by a wall (9) transversal to the collecting wall (3) part of which (30) forms the collecting electrode, the transversal wall having a shape adapted to deflect the path of a liquid present in the gas and flowing on the collecting electrode and carried along up to said transversal wall such that it does not come into contact directly with the maintaining means (7).

Abstract: The present invention provides a method of measuring the flow rate of an electrically conductive liquid in laminar flow and to an implementation measurement device that are easy to implement, simple to produce and compact. For this purpose, the invention provides a device for measuring the flow rate, comprising: a channel (1); a pair of electrodes (2a-2b); and at least one device (3) for measuring the voltage (V) between the electrodes (2a-2b) of said pair, an electrical double layer forming at the interface of each electrode with the conducting liquid. The device comprises means (4, 5) designed so that, when the conducting liquid is flowing through the channel, the flow velocity fields in the diffuse layers facing each electrode are different and so that the convective/diffusive charge equilibria of the electrical double layer at the interface of each electrode are different.

Abstract: The invention concerns a microfluidic device for the controlled movement of liquid. The controlled-movement device according to the invention comprises a microchannel (10) filled with a first liquid (F1) and a fluid (F2) forming a first interface (I1) with the first liquid (F1), or forming a first interface (I1) with the first liquid (F1) and a second interface (I1) with a second liquid (F3) situated downstream of said fluid (F2), and means of moving the first liquid (F1) by electrowetting. A control system is provided for controlling the movement of the first liquid (F1) according to the position of an interface (I1, 13) of the fluid (F2).

Abstract: The present invention relates to a device for the vaporization of a liquid, said device comprising: a reservoir capable of containing a liquid to be vaporized, a heating element capable of heating the liquid in order to vaporize the liquid, a capillary pump capable of pumping the liquid contained in said reservoir to said heating element by capillary pumping, and a capillary barrier arranged along a capillary pumping direction of the liquid to be vaporized downstream from the capillary pump, said capillary barrier being capable of preventing the non-vaporized liquid from escaping from the device.