Abstract: The disclosure relates to a method for transmitting an item of information in a communication channel linking a transmitter to a recipient, the method including the following successive steps: the determination, by the transmitter, of a first intelligible sound signal representative of the item of information to be transmitted, the acoustic processing, by the transmitter, of the first sound signal so as to produce a second sound signal unintelligible to the recipient, the transmission of the second sound signal from the transmitter to the recipient, the transmission of the first sound signal from the transmitter to the recipient, the transmission of the first sound signal being triggered by the transmission of the second sound signal, the second transmission of the second sound signal from the transmitter to the recipient, the second transmission of the second sound signal being triggered by the transmission of the first signal.

Abstract: The object of the invention is a polymer composition including cross-linked polymers, which contain boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. This composition originates from the polymerization of precursor monomers to thermoplastic polymers including at least one pending boronic ester group, the pending boronic ester group not containing any polymerizable groups, and cross-linking agent comprising at least one boronic ester group. This enables the formation of a network of cross-linked polymers containing pending functions and cross-links that are exchangeable by boronic ester metathesis reactions. Another object of the invention is processes for preparing this composition and materials and formulations comprising this composition.

Abstract: The object of the invention is a polymer compositions comprising cross-linked polymer comprising boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. The compositions are obtained from the modification of a polymer by a functionalized boronic ester additive. This polymer can be pre-functionalized boronic ester or functionalized on addition of the said additive. In particular, the invention relates to a process enabling the behavior of a polymer to be modified by addition of a functional additive, enabling a cross-linked network containing exchangeable boronic ester links to be formed.

Abstract: The object of the invention is a composition comprising (a) cross-linked polymers containing pending links and cross-links that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions, obtained by cross-linking of linear or branched polymers; and (b) free monofunctional aldehydes and/or free monofunctional Another object of the invention is preparation processes of such a composition and the uses of the composition. Another object of the invention is compositions for cross-linking linear or branched polymers and their use to form a composition comprising cross-linked polymers containing pending links and cross-links that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions. Finally, an object of the invention is the use of aldehyde to catalyze imine-imine metathesis reactions and imine-aldehyde exchange reactions.

Abstract: The invention relates to a fluidic device for producing platelets from a suspension of megakaryocytes or their fragments, comprising a production chamber comprising at least one channel in which a suspension of megakaryocytes is introduced to flow from its inlet to its outlet wherein said channel is textured with a plurality of obstacles on at least one portion of its inner surface. The invention is further directed to an ex vivo method for producing platelets from megakaryocytes using a fluidic device as defined above.

Abstract: The present invention discloses a method for fusing or contacting reactor and reagent droplets in a three-phase microfluidic or millifluidic system with one of the phases being continuous, in which the reagent droplet is injected in the droplet train before it coalesces or contacts with the reactor droplet. More specifically, the reagent droplet detaches from the reagent inlet before being in contact with the reactor droplet. The method of the invention involves two successive but not concomitant steps: first producing in the droplet train a droplet of a reagent which breaks-up from the reagent reservoir before the second step of merging. The invention also discloses a milli/microfluidic device whose equivalent circuit is represented on FIG. 11.

Abstract: The present disclosure relates to novel compositions of additives that result from mixing at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. A lubricant composition results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. The present disclosure also relates to a process for modulating the viscosity of a lubricant composition that results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers; as well as the use of a diol compound for modulating the viscosity of a lubricant composition.

Abstract: A method of forming an aggregate of objects in a channel including a liquid, the method including: a) providing objects in at least a region of the channel, and b) forming an aggregate of the objects by submitting them to a modulated pulsed acoustic field, wherein the modulated pulsed acoustic field applied at step b) is modulated in amplitude.

Abstract: The invention relates to a composition containing at least one catalyst (C1) containing at least one atom of an element (M1) chosen from: Al, Sc, Ti, Mg, Mn, Fe, Co, Ni, Cu, Zn, Zr, Sn, Hf, Pb, Si, Sb and In; a catalyst (C2) comprising at least one atom of an element (M2) chosen from alkali metals and alkaline-earth metals; a thermosetting resin and/or a hardener for a thermosetting resin. The invention also relates to the use of this composition for rendering a resin which is in the thermoset state hot-deformable and nevertheless free of any residual stress after the deformation thereof; such a resin will advantageously retain its shape even if it is subsequently subjected to high temperatures. The invention relates, moreover, to kits for preparing the composition, to a thermoset-resin-based object obtained from a composition of the invention, to a process for manufacturing objects, to a process for hot-deformation of objects and to various possible uses of the compositions and objects of the invention.

Abstract: The present invention is directed to an entity comprising a particle attached to at least one polymer M through one or several supramolecular interactions -A-B- constituted by 2 to 8 hydrogen bonds X-H-Y, wherein A and B are functional groups respectively grafted to P and M thus forming the particle-containing entity P-(A-B-M)x with x being greater than or equal to 1, functional group(s) B being positioned at one end of the polymeric chain of polymer M, X and Y are heteroatoms present in A and B functional groups, H is hydrogen, and M has a degree of polymerization comprised between 5 and 1000, preferably ranging from 5 to 500. The invention is also directed to a method for preparing this particle-containing entity P-(A-B-M)x, a method for sequentially forming and breaking the supramolecular interactions -A-B- in said particle-containing entity P-(A-B-M)x and dispersions comprising the same.

Abstract: A device for optically detecting in transmission nanoparticles moving in a fluid sample includes a light source for emitting a spatially incoherent beam for illuminating the sample; an imaging optical system; and a two-dimensional optical detector. The imaging optical system includes a microscope objective. The two-dimensional optical detector includes a detection plane conjugated with an object focal plane of the microscope objective by said imaging optical system. The two-dimensional optical detector allows a sequence of images of an analysis volume of the sample to be acquired, each image resulting from optical interferences between the illuminating beam incident on the sample and the beams scattered by each of the nanoparticles present in the analysis volume during a preset duration shorter than one millisecond.

Abstract: The present invention is directed to a particle-containing entity P-(A--B-M)x wherein P is a solid particle attached to at least one polymer M through one or several reversible covalent bonds -A---B-, wherein A and B are functional groups respectively grafted to P and M thus forming the P-(A---B-M)x particle-containing entity with x being greater than or equal to 1, M has a degree of polymerization comprised between 5 and 1000, preferably ranging from 5 to 500, and wherein the reversible covalent bond -A---B- is chosen among an imine, a disulfide, a boronic ester or an acetal. The invention is also directed to a method of preparing this particle-containing entity, a method for sequentially forming and breaking the reversible covalent bond -A---B- in said particle-containing entity P-(A---B-M)x and dispersions comprising same.

Abstract: The present invention discloses a method for fusing or contacting reactor and reagent droplets in a three-phase microfluidic or millifluidic system with one of the phases being continuous, in which the reagent droplet is injected in the droplet train before it coalesces or contacts with the reactor droplet. More specifically, the reagent droplet detaches from the reagent inlet before being in contact with the reactor droplet. The method of the invention involves two successive but not concomitant steps: first producing in the droplet train a droplet of a reagent which breaks-up from the reagent reservoir before the second step of merging. The invention also discloses a milli/microfluidic device whose equivalent circuit is represented on FIG. 11.

Abstract: The present invention concerns a method for obtaining a functional parameter of a muscle having a part, the method comprising the steps of: a) applying ultrasound waves to the muscle, b) collecting the ultrasound waves retrodiffused by the muscle at a plurality of times, to obtain collected ultrasound waves, c) determining a first plurality of values representative of stiffness values of one part at a first plurality of times by using the collected ultrasound waves, d) determining a second plurality of values representative of deformation values of said part at a second plurality of times by using the collected ultrasound waves, and e) deducing at least one functional parameter based on the first plurality of values and the second plurality of values. The invention also concerns a corresponding device.

Abstract: The present invention relates to the use of a solution of liquid particles in suspension for the control, calibration and/or performance of physical, in particular optical, measurements in a flow cytometry device for analysis of biological cells, said solution comprising liquid particles (21) of a first liquid phase dispersed in a second liquid phase, said liquid particles (21) having physical, chemical and/or biochemical properties that enable the attainment of physical measurements in said flow cytometry device similar to measurements obtained with biological cells, and said liquid particles (21), having a diameter for which the coefficient of variation within the solution of liquid particles in suspension is less than 10%. The invention also relates to a measurement method and a flow cytometry device implementing the solution of liquid particles in suspension.

Abstract: The object of the invention is a polymer compositions comprising cross-linked polymer comprising boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. The compositions are obtained from the modification of a polymer by a functionalised boronic ester additive. This polymer can be pre-functionalised boronic ester or functionalised on addition of the said additive. In particular, the invention relates to a process enabling the behaviour of a polymer to be modified by addition of a functional additive, enabling a cross-linked network containing exchangeable boronic ester links to be formed.

Abstract: The present invention relates to the preparation of a compound library comprising the following steps: i. Having available at least two different compounds each comprising at least a dioxaborolane or dioxaborinane ring. In said compounds: the boron of the dioxaborolane or dioxaborinane ring is directly linked to a carbon atom of a hydrocarbon radical; at least one carbon atom of the dioxaborolane or dioxaborinane ring is monosubstituted, the other carbon atoms of the dioxaborolane or dioxaborinane ring being non-substituted or monosubstituted; in at least two compounds, the hydrocarbon radicals linked to the boron are different; in at least two compounds, the substituents carried by at least one of the carbon atoms of the dioxaborolane or dioxaborinane rings are different and/or the size of the boronic ester ring is different; ii. Reacting the compounds of step (i.) and forming, by a boronic ester metathesis reaction, the library comprising at least four different compounds.

Abstract: The object of the invention is a polymer compositions comprising cross-linked polymer comprising boronic ester functions enabling exchange reactions, as well as free monofunctional boronic esters. These compositions arise from the polymerisation of precursor monomers to thermoplastic polymers comprising at least one pending boronic ester group, said pending boronic ester group not containing any polymerisable group and cross-linking agent comprising at least one boronic ester group enabling the formation of a network of cross-linked polymer containing pending functions and cross-links that are exchangeable by boronic ester metathesis reactions. Another object of the invention are processes for preparing this composition and materials and formulations comprising this composition.

Abstract: The object of the invention is a composition comprising (a) cross-linked polymers containing pending links and cross-links that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions, obtained by cross-linking of linear or branched polymers; and (b) free monofunctional aldehydes and/or free monofunctional Another object of the invention is preparation processes of such a composition and the uses of the composition. Another object of the invention is compositions for cross-linking linear or branched polymers and their use to form a composition comprising cross-linked polymers containing pending links and cross-links that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions. Finally, an object of the invention is the use of aldehyde to catalyse imine-imine metathesis reactions and imine-aldehyde exchange reactions.

Abstract: The object of the invention is a composition comprising a network of cross-linked polymers.