UNIVERSITE GRENOBLE ALPES

The invention relates to compounds of formula (I) as follows: (I) wherein X 1 and X 2 , identical or different, are NR 5 or a sulfur atom, Y is a group (C 1 -C 10 )alkanediyl, Ar 1 and Ar 2 , identical or different, are an aryl group optionally substituted by one or several groups selected from a halogen atom, a (C 1 -C 6 ) alkyl, —OR 1 , —NR 1 R 2 and —COOR 3 ′ with R 1 and R 2 , independently of each other, are a hydrogen atom, a (C- 1 -C 6 ) alkyl group or a —COR 3 group, R 3 and R 4 ′ independently of each other, are a hydrogen atom or a (C 1 -C 6 ) alkyl group, and R 5 is a hydrogen atom or a (C 1 -C 6 )alkyl group, or a pharmaceutically acceptable salt and/or solvate thereof, in particular for use in cancer treatment.

An optoelectronic device including one or a plurality of light-emitting diodes, each light-emitting diode including a three-dimensional semiconductor element, an active area resting on the three-dimensional semiconductor element and a stack of semiconductor layers covering the active area, the active area including a plurality of quantum wells, said stack being in mechanical contact with a plurality of quantum wells.

A magnetoresistive sensor sensitive to an out-of-plane applied magnetic field includes a sensing layer; a reference layer with a fixed magnetization, the direction of the fixed magnetization being perpendicular to the plane of the reference layer; a non-magnetic spacer layer separating the sensing layer and the reference layer; the sensing layer having spontaneously a magnetization vortex configuration in the absence of an applied magnetic field, the vortex core diameter varying in the presence of an applied magnetic field perpendicular to the plane of the reference layer.

A sensor device including a conductive graphene film covered on at least one side by a graphene support layer of parylene, a detection element configured to sense an environmental change, and an electrode. The parylene repairs some defects of the conductive graphene film without damaging, polluting, or degrading the conductivity of conductive graphene film.

The hydromechanical device ( 102 ) for supplying each of two opposing active chambers (vr 1 ca 1 , vr 1 ca 2 ) of a double-acting receiving cylinder (vr 1 ) for servo-controlled operation of at least one first output rod (vr 1 ts 1 , vr 1 ts 2 ) INCLUDES: a first double-acting generating cylinder (vg 1 ) INCLUDING a first movement input rod (vg 1 te 1 ) which is rigidly connected to a first piston (vg 1 p 1 ) that delimits two first opposing passive chambers (vg 1 cp 1 , vg 1 cp 2 ), each of which is selectively connected to at least one of THE two opposing active chambers of the receiving cylinder (vr 1 ); and an assembly ( 110 ) for driving the first rod (vg 1 te 1 ) of the first generating cylinder (vg 1 ), INCLUDING a movement-transforming screw-nut assembly ( 112, 114 ), one movement output component ( 114 ) of which is rigidly connected to the first rod (vg 1 te 1 ) of the first generating cylinder (vg 1 ) and the other movement input component ( 112 ) of which is rotated by a drive motor (m 1 ).

A wideband device for measuring the cross-correlation of a first signal and a second signal, includes a first frequency-shifting optical cavity comprising a first frequency shifter designed to shift the optical frequency of the first signal by a first frequency f 1 per round trip in the first cavity, the first cavity having a first trip time τ 1 ; a second frequency-shifting optical cavity comprising a second frequency shifter designed to shift the optical frequency of the second signal by a second frequency f 2 per round trip in the second cavity, the second cavity having a second trip time τ 2 ; the first and the second optical cavity being designed such that a maximum number of round trips of the first and the second signal in the first and the second cavity is equal to predetermined N, a detector designed to coherently detect the first signal transmitted by the first cavity and the second signal transmitted by the second cavity and generate a photocurrent (Tr) proportional to a luminous intensity detected by the detector, a low-pass filter designed to filter frequencies of the photocurrent that are lower than min (I), a processor configured to compute a Fourier transform of the photocurrent, so as to generate an output signal that is representative (II).

An NPF radiofrequency device includes a first end terminal E 1 , four first branches BR 1 0 , BR 1 1 , BR 1 2 , BR 1 3 connected to E 1 and each including a capacitor, respectively C 0 , C 1 , C 2 , C 3 , having the same capacitance, including a first terminal and a second terminal connected to ground, and a switch arranged between E 1 and the first terminal of the capacitor of the first branch; the device being designed to, in each first branch BR 1 i , close the switch at each time pT 0 +(i)T 0 /4, for T 0 /4, where p is a natural number and T 0 is the period of the clock signal; the device including at least two successive second branches from among an ordered set of second branches BR 2 0 , BR 2 1 , BR 2 2 , BR 2 3 , the second branch BR 2 i including a second end terminal E 2 i , and each second branch BR 2 k of the device including, for each first branch, BR 1 1 , i=0 to 3, a switch between the first terminal of the capacitor C i and the second branch, the device being designed to close the switch at each pT 0 +(i+k)T 0 /4, for T 0 /4.

A catalytic material comprising at least one group VIB metal at least partly in sulfide form, at least one group IVB metal at least partly in sulfide form, and an electrically conductive support wherein said group VIB metal is chosen from molybdenum and/or tungsten, said group IVB metal is chosen from titanium, zirconium and/or hafnium.

A method for producing an aluminium nitride (AlN)-based layer on a structure with the basis of silicon (Si) or with the basis of a III-V material, may include several deposition cycles performed in a plasma reactor comprising a reaction chamber inside which is disposed a substrate having the structure. Each deposition cycle may include at least the following: deposition of aluminium-based species on an exposed surface of the structure, the deposition including at least one injection into the reaction chamber of an aluminium (Al)-based precursor; and nitridation of the exposed surface of the structure, the nitridation including at least one injection into the reaction chamber of a nitrogen (N)-based precursor and the formation in the reaction chamber of a nitrogen-based plasma. During the formation of the nitrogen-based plasma, a non-zero polarisation voltage V bias_substrate may be applied to the substrate.

An electrode and the manufacturing method thereof, the electrode including a body at least partially covered with a composite coating including a polypyrrole polymer or derivatives thereof, the polymer including pyrrole monomeric units having a side chain including at least one carboxylate group. Particles of a metal oxide based on at least one metal, the amount of the at least one metal of the metal oxide being smaller than or equal to 7 mmol·cm −3 per carboxylate group of the pyrrole monomeric units. The electrode is improved in particular in terms of resources, environmental impact and cost, while preserving a satisfactory electrocatalytic activity.