Abstract: The invention relates to a method for obtaining a numerical model, the numerical model associating at least one objective measurement to a subjective sensation, the method comprising the steps of: a) imaging the at least one area of the brain by using unfocused waves produced by a transcranial ultrasound probe (20), to obtain at least one acquired image of the activity of the area, b) evaluating a physical quantity representative of the activity of the at least one area based on the acquired images, to obtain at least one objective measurement, c) obtaining from the subject at least one numerical value representative of a subjective sensation, and d) determining the numerical model by using the obtained objective measurement and the obtained numerical value.

Abstract: A body part for a motorized land vehicle is provided. The body part includes at least one wall made of a plastic material and including at least one housing forming a cavity for electromagnetic waves, said housing includes: at least one transceiver for transmitting and/or receiving an electromagnetic wave in said housing; at least one adaptable surface capable of reflecting the electromagnetic wave transmitted by the transceiver in a given direction (in a controlled manner) and, conversely, capable of reflecting the electromagnetic wave coming from the exterior of the housing toward the transceiver.

Abstract: The present invention relates to a digital multiplex method for detecting and/or quantifying multiple target biomolecules in a sample, said biomolecules being selected from DNA, RNA, and proteins. The present invention further relates to different applications of the digital multiplex method and to a kit.

Abstract: The invention relates to a method for determining the electrophoretic velocity of droplets of a first fluid in a second fluid, the method comprising: providing a first capillary (3?) having an outlet positioned in a first channel (3); providing a stream of the first fluid in the first capillary and providing a stream of the second fluid in the first channel external to the first capillary, so as to generate droplets of the first fluid in the second fluid at the outlet of the first capillary; transporting the droplets to an observation area (200) in a second channel (11); applying an electric field to the observation area of the second channel; and measuring the velocity of the droplets in the observation area. The invention also relates to a device for determining the electrophoretic velocity of droplets of a first fluid in a second fluid.

Abstract: The present invention relates to a digital method for detecting and/or quantifying at least one target biomolecules in a sample, said biomolecules being selected from DNA, RNA, and proteins based on isothermal amplification. The present invention further relates to different applications of the digital method and to a kit.

Abstract: According to a first aspect, the present disclosure relates to a digital holography device (100) for full-field blood flow imaging of ocular vessels of a field of view of a layer (11) of the eye (10). The device comprises an optical source (101) configured for the generation of an illuminating beam (Eobj) and a reference beam (ELO), and a detector (135) configured to acquire a plurality of interferograms (I(x,y,t)) wherein an interferogram is defined as the signal resulting from the interference between the said reference beam (ELO) and a part of said illuminating beam (Eobj) that is backscattered from said layer (11).

Abstract: The use of porous crystalline solids constituted of a metal-organic framework (MOF) for the capture of polar volatile organic compounds (VOCs). In particular, the MOF of interest are material having an average pores sizes of 0.4 to 0.6 nm and an hydrophobic core formed by a metal oxide and/or hydroxide network connected by linkers, the linkers being selected from the group including (i) C6-C24 aromatic polycarboxylate linkers, such as benzyl or naphtyl di-, tri- or tetracarboxylate, and (ii) C6-C16 polycarboxylate aliphatic linkers; the linkers bearing or not apolar fluorinated groups, e.g. —(CF2)n—CF3 groups, n being a integer from 0 to 5, preferably 0 ou 3, and/or apolar C1-C20 preferably C1-C4 alkyl groups, e.g. —CH3 or —CH2—CH3, grafted directly to the linkers and pointing within the pores of the MOF.

Abstract: The present invention relates to a method for the non-invasive optical characterization of a heterogeneous medium, comprising: a step of illuminating, by means of a series of incident light waves, a given field of view of the heterogeneous medium, positioned in a focal plane of a microscope objective (30); a step of determining a first distortion matrix (Dur, Drr) in an observation basis defined between a conjugate plane of the focal plane (FP) and an observation plane, said first distortion matrix corresponding, in a correction basis defined between a conjugate plane of the focal plane and an aberration correction plane, to the term-by-term matrix product of a first reflection matrix (Rur) of the field of view, determined in the correction basis, with the phase conjugate matrix of a reference reflection matrix, defined for a model medium, in said correction basis; and a step of determining, from the first distortion matrix, at least one mapping of a physical parameter of the heterogeneous medium.

Abstract: Method for determining a characteristic of detection and/or identity information and/or location information of a receiver, wherein: a) a primary wave is emitted by an antenna, b) adjustable elements are controlled with a plurality of sets of parameters, to modify the propagation of a primary wave and/or of a secondary wave coming from the receiver, and c) signals received by the antenna are saved, and d) the characteristic of the receiver in the medium is determined based on the signals received for each set of parameters.

Abstract: The present invention relates to a method for selecting and recovering products, comprising the following steps: providing an emulsion (6) comprising a plurality of drops (4) contained in a carrier fluid (10), each drop comprising an internal fluid (8), measuring at least one physical parameter for several drops (4) of the emulsion (6), classifying at least some of the drops (4) of the emulsion in a class based on measurements obtained during the measuring step, tagging at least some of the classified drops (4) based on the class of the drop (4), selectively recovering the drop (4) or part of the drop (4) using the tag of the drop or part of the drop (4).

Abstract: The invention relates to functionalised dioxaborolane or dioxaborinane derivatives of formula (I), wherein R1 is covalently bonded to the boron atom by a carbon atom; one of R2, R3, R?3 or R4 is a radical of formula —X; or one of R1, R2, R3, R?3 or R4 is a radical of formula —X; and X is a functionalised radical. The invention relates to the method for preparing same and the uses thereof.

Abstract: The invention relates to a method for characterising bone, the method comprising the steps of receiving (102) ultrasonic wave echo signals transmitted into a body, determining (104) a speed of sound in the body's non-bone biological tissue, locating (106) a first demarcation curve between non-bone biological tissue and bone in an image of the body constructed during said determining step, and determining (108) a speed of sound in bone. The steps of determining speed include constructing images from the signals, and a metric calculation indicative of a focus quality in the constructed images.

Abstract: In a first aspect, the present description relates to a system for non-invasively characterizing a heterogeneous medium using ultrasound, comprising at least one first array (10) of transducers configured to generate a series of incident ultrasound waves in a region of said heterogeneous medium and record the ultrasound waves which are backscattered by said region as a function of time, as well as a computing unit (42) which is coupled to said at least one first array of transducers and configured to: record an experimental reflection matrix defined between an emission basis at the input and the basis of the transducers at the output; determine, from said experimental reflection matrix, at least one first wideband reflection matrix defined in a focused base at the input and output; determine a first distortion matrix defined between said focused basis and an observation basis, said first distortion matrix resulting, directly or after a change of basis, from the term-by-term matrix product of said first wideba

Abstract: Antenna for transmitting and/or receiving an electromagnetic wave, including a radiating element, a tunable surface of variable impedance, and a controller connected to the tunable surface and which controls it based on a desired direction of the electromagnetic wave. The radiating element and the tunable surface are integrated inside a housing, the housing forming a cavity for the waves and including an opening for the electromagnetic wave to be transmitted to the outside.

Abstract: The invention concerns additive compositions obtained by mixing at least two thermoassociative and exchangeable compounds and at least one boronic ester compound that enables the association of these two copolymers to be controlled; a lubricating composition obtained by mixing at least one lubricating base oil, at least two thermoassociative and exchangeable compounds, and at least one boronic ester compound that enables the association of these two copolymers to be controlled; a method for adjusting the viscosity of a lubricating composition obtained by mixing at least one lubricating base oil and at least two thermoassociative and exchangeable compounds; and the use of a boronic ester compound to adjust the viscosity of a lubricating composition.

Abstract: The invention relates to functionalised dioxaborolane or dioxaborinane derivatives of formula (I), wherein R1 is covalently bonded to the boron atom by a carbon atom; one of R2, R3, R?3 or R4 is a radical of formula —X; or one of R1, R2, R3, R?3 or R4 is a radical of formula —X; and X is a functionalised radical. The invention relates to the method for preparing same and the uses thereof.

Abstract: A method for detecting movements of a plurality of points (P) of a surface (21), comprising a measuring step during which an incident ultrasonic wave is emitted into the air towards the surface and an ultrasonic wave reflected into the air by the surface (21) is detected. During the measuring step, each measuring point is illuminated by the incident ultrasonic wave at a multiplicity of angles of incidence, and the reflected ultrasonic wave is detected by a network of receiving transducers (3) comprising a plurality of ultrasonic receiving transducers (3a). The movements of the surface are determined at a measuring point by determining a delay and/or a phase shift between two beam-forming signals for said measuring point.

Abstract: The invention concerns a detecting apparatus (12) comprising:—at least two sensors (24, 26, 28), with at least one sensor (24) being an ultrasound transducer adapted to produce ultrasound waves, and—a positioning device (16) defining several compartments (22), each compartment (22) being adapted to hold a sensor (24, 26, 28) and each compartment (22) being located at predetermined location, the positioning device (16) comprising a holder adapted to be fixed on the skull of a subject, the positioning device (16) being adapted to be maintained on the head of the subject using the holder.

Abstract: In a first aspect, the present description relates to a system for non-invasively characterizing a heterogeneous medium using ultrasound, comprising at least one first array (10) of transducers configured to generate a series of incident ultrasound waves in a region of said heterogeneous medium and record the ultrasound waves which are backscattered by said region as a function of time, as well as a computing unit (42) which is coupled to said at least one first array of transducers and configured to: record an experimental reflection matrix defined between an emission basis at the input and the basis of the transducers at the output; determine, from said experimental reflection matrix, at least one first wideband reflection matrix defined in a focused base at the input and output; determine a first distortion matrix defined between said focused basis and an observation basis, said first distortion matrix resulting, directly or after a change of basis, from the term-by-term matrix product of said first wideba

Abstract: A method for determining a flow rate and/or a concentration of particles of a fluid flowing in a chamber, which includes the steps of: producing an ultrasound beam of a given frequency with a first transducer such that all fluid components traveling through an intersection region between the ultrasound beam and the chamber are insonated by the first transducer; receiving Doppler-shifted ultrasound signals generated by the fluid components in the insonated region of the chamber with a second transducer; acquiring the ultrasound signals received by the second transducer during an acquisition time; obtaining a Doppler Power Spectrum of the acquired ultrasound signals; and determining the flow rate and/or the concentration of particles of the fluid by adjustment between, on the one hand, the obtained Doppler Power Spectrum and, on the other hand, a model of the Doppler Power Spectrum.