Abstract: A medical device including an electric measurement circuit, in which are connected at least two sensors the impedance of which varies as a function of a sensed physical parameter, a source of electrical power for powering the electric measurement circuit, an antenna for emitting an electromagnetic field as a function of the impedance of the electric measurement circuit, each of the sensors being associated with a switch for short circuiting the sensor in the measurement circuit, the medical device further including a system for controlling the switches in order successively to command the opening or closing of the switches in determined configurations. The medical device may notably be able to be applied to the human body or implanted in the human body.

Abstract: The invention relates to a method for discriminating cells of a cellular structure, notably of a cellular tissue, comprising the steps consisting in determining (12) a frequency spectrum of the impedance of the cellular structure; defining (22) at least one model of the impedance of the cellular structure including a constant phase element (30); determining (44) the impedance of the constant phase element (30) which optimizes the correlation of each model of the impedance of the cellular structure with the spectrum; and deducing (66), from the impedance of the constant phase element (30) or from the impedances of the constant phase elements (30), an item of information on the cells of the cellular structure. The invention also relates to a system for implementing the method for discriminating cells of a cellular structure.

Abstract: The invention relates to a method for discriminating cells of a cellular structure, notably of a cellular tissue, comprising the steps consisting in determining (12) a frequency spectrum of the impedance of the cellular structure; defining (22) at least one model of the impedance of the cellular structure including a constant phase element (30); determining (44) the impedance of the constant phase element (30) which optimizes the correlation of each model of the impedance of the cellular structure with the spectrum; and deducing (66), from the impedance of the constant phase element (30) or from the impedances of the constant phase elements (30), an item of information on the cells of the cellular structure. The invention also relates to a system for implementing the method for discriminating cells of a cellular structure.

Abstract: A medical device including an electric measurement circuit, in which are connected at least two sensors the impedance of which varies as a function of a sensed physical parameter, a source of electrical power for powering the electric measurement circuit, an antenna for emitting an electromagnetic field as a function of the impedance of the electric measurement circuit, each of the sensors being associated with a switch for short circuiting the sensor in the measurement circuit, the medical device further including a system for controlling the switches in order successively to command the opening or closing of the switches in determined configurations. The medical device may notably be able to be applied to the human body or implanted in the human body.

Abstract: The present disclosure relates to a method for producing an insulated electrode comprising a conductive material coated with an electrically insulating material. The method includes at least the following steps of: forming a mold in an electrically insulating material, the mold including at least one channel, the mold being adapted to confine a conductive material, introducing the conductive material in a liquid state into the channel of the mold, the conductive material having a melting point that is lower than the melting point of the electrically insulating material.

Abstract: The invention relates to a durable hydrophilic non-porous surface-modified polymer composition, to aqueous fluid channels based on said composition, to a microfluidic system comprising said channels, to a method for the production thereof and to a microfluidic chip or cells incorporating said composition.

Abstract: The present disclosure relates to a method for producing an insulated electrode comprising a conductive material coated with an electrically insulating material.

Abstract: The present disclosure relates to the delivery of electric pulses any organic or inorganic conductive material and/or any biological material and/or to cells in vivo, ex vivo or in vitro, for example for the electroporation of the cells, for the electrically mediated transfer gene transfer of nucleic acids into tissue cell using a pulsed electric field and/or for the electromanipulation, in general, of the cell membrane or of the cell inside. The electric pulse applicator for the treatment of a conductive material such as biological material allowing an electric field to be applied to said conductive material in such a way as to modify it properties, includes at least one electrode including a conductive main body and an electrically insulating coating intended to be introduced into and/or at the vicinity of the conductive material to be treated, and a pulse generator sending pulses to the electrodes having a slope (dE/dt) greater than 1015 V/m/s.

Abstract: The invention relates to a durable hydrophilic non-porous surface-modified polymer composition, to aqueous fluid channels based on said composition, to a microfluidic system comprising said channels, to a method for the production thereof and to a microfluidic chip or cells incorporating said composition.

Abstract: A system for using dielectrophoresis to manipulate dielectric particles, in particular biological cells in suspension in a medium and subjected to the action of an alternating electric field of distribution that is made to be non-uniform by means of a regular array of electrodes suitable for defining local zones where the electric field is at a minimum in rows to concentrate particles in said local zones by the action of negative dielectrophoresis forces, wherein the array of electrodes is formed on the surface of a multilayer substrate, and wherein the same-polarity electrodes of the array are connected to respective common power supply pads via two arrays of conductor tracks which are formed at an intermediate level situated beneath the array of electrodes.

Abstract: A method of manufacturing a microfluidic structure, in particular a biochip, said method consisting at least: