Abstract: A circuit arrangement is provided, having a first circuit configured to receive an input signal, and a second circuit configured to provide an output signal, wherein the first circuit includes a first pull-up network having a first transistor of a first conductivity type and a second transistor of a second conductivity type electrically coupled to each other, and a first pull-down network having a first transistor of the first conductivity type and a second transistor of the second conductivity type electrically coupled to each other, wherein the second circuit includes a second pull-up network having a first transistor of the first conductivity type, and a second pull-down network having a second transistor of the second conductivity type, wherein the first pull-up network and the second pull-down network are electrically coupled to each other, and wherein the first pull-down network and the second pull-up network are electrically coupled to each other.

Abstract: Disclosed herein is a multi-layered composite thin film material formed from graphene quantum dots (GQDs) and metal nanocrystals in a layer-by-layer design, wherein the metal nanocrystals can be selected from the group consisting of Ru, Rh, Os, Ir, Pd, Au, Ag and Pt. In a preferred embodiment, the multi-layered composite thin film material is prepared via a facile, green, and easily accessible layer-by-layer (LbL) self-assembly strategy. In this strategy, positively charged GOQDs and negatively charged metal nanocrystals are alternately and uniformly integrated with each other in a “face-to-face” stacked fashion under substantial electrostatic attractive interaction, and then the obtained GOQDs/metal composite thin film is calcined into GQDs/metal composite thin film. The composite thin film material disclosed herein may be used to catalyse a wide range or reactions, including selective reduction of aromatic nitro compounds in water and electrocatalytic oxidation of methanol at ambient conditions.

Abstract: The present invention relates to a method for synthesizing a compound of Formula (I) as defined herein, comprising: (i) activating a compound of Formula (II) as defined herein, by reacting said compound of Formula (II) with a compound of Formula (III) as defined herein, in the presence of a base, to obtain a compound of Formula (IV) as defined herein; and (ii) reacting the compound of Formula (IV) with an electrophile to obtain the compound of Formula (I). The present invention further relates to the organocatalysts used in the described methods and their respective uses.

Abstract: An apparatus and method for wireless communication, and a method of fabricating the apparatus. The apparatus comprises two or more transceiver array groups, each transceiver array group comprising one or more radio frequency, RF, circuits, and one or more RF front end, RF FE, circuits; wherein the transceiver array groups are configured to operate at different frequencies; wherein the transceiver array groups are configured to be connected to one corresponding digital baseband processor; and wherein the transceiver array groups comprise at least one first transceiver array group configured to operate at cm wavelength or larger. Preferably, the transceiver array groups comprise at least one second transceiver array group configured to operate at mm wavelength.

Abstract: Example embodiments describe a radar sensor, whereby the radar sensor comprises a pair of continuous wave (CW) radar transceivers that each has a leaky wave antenna that are provided adjacent to each other. Each CW radar transceiver comprises a microwave frequency transmission circuit configured to transmit and receive signals reflected off a nearby object. The transmitted and received signals are then processed by the radar sensor to determine a relative displacement between the detected object and the radar sensor. This determined relative displacement may then be used with machine learning techniques to identify dynamic gestures made within the radar sensor's range of detection.

Abstract: Various embodiments may provide a transmitter device. The transmitter device may include an oscillator configured to operate at a variable oscillation frequency to generate an oscillator signal. The transmitter device may also include a transmitter antenna configured to transmit power to a receiver device via magnetic coupling based on the oscillator signal. The transmitter device may further include a feedback arrangement configured to generate a feedback to the oscillator based on a resonant frequency of the magnetic coupling between the transmitter antenna and a receiver antenna of the receiver device such that the variable oscillation frequency of the oscillator is adjusted towards the resonant frequency.

Abstract: A non-destructive testing method of analyzing a sample comprising a composite material is disclosed. The method comprises: emitting an electromagnetic signal onto the sample, the electromagnetic signal having a range of frequencies; detecting a response signal transmitted and/or reflected by the sample in response to the electromagnetic signal; processing the response signal to determine variation with frequency of a dielectric permittivity of the sample over the range of frequencies; and determining an indication of a structural characteristic of the sample from a measure of the variation with frequency of the dielectric permittivity of the sample.

Abstract: Described are compounds and compositions that inhibit or target Cyt-bd, and methods of making, using, and assaying same. Also disclosed are compositions, methods and kits including the compounds and compositions that inhibit or target Cyt-bd, and one or more Cyt-bc1:aa3 inhibitor, F1F0-ATP synthase inhibitor, NADH dehydrogenase (NDH-2) inhibitor, NADH dehydrogenase (NDH-2) activator or antibacterial agent.

Abstract: Compositions and methods related to multiaxially straining defect doped materials as well as their use in electrical circuits are generally described.

Abstract: Methods for training statistical models for modeling phononic energy and/or frequency dispersion, as well as phononic stability of materials as a function of an applied strain, as well as uses of these trained statistical models for elastic strain engineering of materials, are described.

Abstract: An interposer (16) and a substrate (10) incorporating the interposer (16) are provided. The interposer (16) includes one or more layers (18) and a cavity (20) defined in the one or more layers (18), the cavity (20) being configured as a waveguide for propagation of electromagnetic waves.

Abstract: The present disclosure refers to an endonuclease-based gene editing construct, wherein the construct comprises a CRISPR-associated endonuclease (such as Cas9 or Cpf1) or a derivative thereof and at least one or more hormone binding domains of the estrogen receptor (ERT2) or derivatives thereof. The present disclosure also describes a method of editing a genome of a host cell using the construct as disclosed herein, the method comprising transfecting the host cell with the nucleic acid sequence as defined herein and incubating the cell with an inducing agent.

Abstract: The invention provides a composite material formed from an inorganic mesoporous, or mesoporous-like, material that is dispersed throughout a polymeric matrix formed by a crosslinked polymer that has acidic- or basic-residues and which may also optionally have further acidic- or basic-residues grafted onto the inorganic mesoporous material. The resulting composite material may be used to remove acidic or basic impurities from a gas in need thereof and can be easily regenerated.

Abstract: A turbine housing for a radial/mixed flow turbine, the turbine having a rotor comprising a plurality of blades disposed about a hub, the turbine housing comprising: a shroud configured to at least partially enshroud the rotor wherein a clearance is provided between the shroud and blade tips of the plurality of blades, the shroud and the hub defining a main passage of fluid flow in the turbine; and at least one injection opening provided in the shroud, the at least one injection opening configured to allow injection of a secondary flow of fluid into at least the clearance between the shroud and the blade tips.

Abstract: A draw solute for a forward osmosis process, the draw solute comprising: a thermally responsive ionic compound having at least one of: a lower critical solution temperature (LCST) and an upper critical solution temperature (UCST), the draw solute being regeneratable from a diluted aqueous draw solution after forward osmosis via one of: liquid-liquid phase separation and solid-liquid phase separation, the draw solute being regeneratable when the diluted aqueous draw solution is at a temperature selected from one of: above the LCST and below the UCST.

Abstract: Compositions and methods related to straining defect doped materials as well as their methods of use in electrical circuits are generally described.

Abstract: A method and an apparatus for hardware security to countermeasure side-channel attacks are provided. The method or apparatus may introduce at least one redundant or partial redundant computation having a similar power dissipation profile or an electromagnetic emission profile when compared to that of a genuine operation for cryptographic devices, and/or to reorder the iterations of operations in a different sequence. The redundant or partial redundant computation may be performed by using a different password key and/or a different raw data (e.g., plaintext). The presence of the redundant or partial redundant computation would make side-channel attacks difficult in the sense that genuine or redundant/partial redundant operations are difficult to be clearly identified, hence serving as a countermeasure for hardware security.

Abstract: The present invention relates to an elastic conductor with high conductivity and stable electrical performance under stretching. The elastic conductor comprises a matrix material; a plurality of electrically conductive structures embedded in the matrix; and one or more particles embedded in the matrix, wherein the particles are configured to release an electrically conductive material upon stretching of the elastic conductor. In a preferred embodiment, each of the particles comprises a core of the electrically conducting material, such as liquid eutectic gallium indium alloy, and an outer shell surrounding the core, such as gallium oxide.

Abstract: A deammonification system 100 and process for treating wastewater are disclosed herein. The system and process may involve an anaerobic reactor 204 operable to produce biogas 2 from organic carbon in the wastewater 1, and a deammonification unit including (i) one or more anoxic chambers 302 in fluid communication with the anaerobic reactor 204, wherein each of the one or more anoxic chambers 302 houses a plurality of biocarriers 306, wherein each of the plurality of biocarriers 306 includes a biofilm of anaerobic ammonium oxidation bacteria, and (ii) one or more oxic chambers 304 operable to produce nitrite from ammonia and/or ammonium, wherein the wastewater processed in an anoxic chamber 302 of the one or more anoxic chambers 302 is channeled to an oxic chamber 304 of the one or more oxic chambers 304 which is adjacent to and downstream of the anoxic chamber 302.

Abstract: A supply modulator is provided, having a first amplifier circuit configured to generate a first electrical signal, a second amplifier circuit configured to generate a second electrical signal, the first and second electrical signals being for driving an electrical load, and a control circuit electrically coupled to the first and second amplifier circuits wherein the control circuit is configured to generate a pulsed electrical signal and to supply an output control signal to the second amplifier circuit for controlling generation of the second electrical output signal, wherein the supply modulator is configured to operate in two modes of operation, for the first amplifier circuit to generate the first electrical signals in response to quiescent current of the first amplifier circuit, for the control circuit to generate a modulated electrical signal in accordance with a clock signal in one mode, and, for the second amplifier circuit to operate.