Abstract: A surface-emitting light source system for generating coherent light having two spin modes comprises a two-dimensional material exhibiting a direct band gap. The two-dimensional material is coupled to a planar heterostructure cavity having an inversion asymmetric core region at least partially surrounded by an inversion symmetric cladding region.

Abstract: Compositions comprising a tetraaryl ammonium salt, a tetraaryl ammonium salt covalently bound to a polymer and methods for manufacturing the same are disclosed. The disclosed compositions are useful e.g., for an anion exchange membrane, or an anion conducting polymer, and may further be used in electrochemical devices such as alkaline fuel cells, and alkaline redox-flow batteries.

Abstract: A system for generating light, comprises a spectral light source, characterized by a spectral line shape described by a visibility function; and a multimode waveguide, characterized by an optical path difference distribution described by a standard deviation. The standard deviation typically matches, within a predetermined tolerance, a location of a zero point of the visibility function at which a contrast of the visibility function is less than 0.1.

Abstract: A method of analyzing the therapeutic efficacy of a therapeutic agent for treating an immune-related disorder is disclosed. The method comprises contacting blood cells of the subject with the agent, measuring the expression of at least 20 genes in the blood cells of the subject; obtaining an immune age value based on the expression of the at least 20 genes, and comparing the immune age value with an immune age value of the subject calculated on the basis of expression of the at least 20 genes in blood cells of the subject, in the absence of the agent.

Abstract: A new class of pseudo-trisaccharide aminoglycosides having an alkyl group at the 5? position, exhibiting efficient stop codon mutation readthrough activity, low cytotoxicity and high selectivity towards eukaryotic translation systems are provided. Also provided are pharmaceutical compositions containing the same, and uses thereof in the treatment of genetic disorders, as well as processes of preparing these aminoglycosides. The disclosed aminoglycosides can be represented by the general formula I: or a pharmaceutically acceptable salt thereof, wherein R1 is selected from the group consisting of alkyl, cycloalkyl and aryl; and all other variables and features are as described in the specification.

Abstract: A method for locating a vessel, the method comprising illuminating at least a portion of the vessel with a background light having a substantially high susceptibility to absorption by particles in said portion of the vessel; detecting backscattered light from said illuminated portion of the vessel; reproducing an image from said backscattered light; and identifying dark regions within said reproduced image.

Abstract: An optical digital to analog converter (oDAC) that may include (a) multiple optical paths that are parallel to each other; (b) a combiner, (c) a splitter that is configured to receive an optical signal at a splitter input and split the optical signal between multiple splitter outputs to provide multiple path input signals to the multiple optical paths. The multiple optical paths are configured to optically process, in parallel, path input signals to provide path output signals. Each optical path is configured to apply an optical process that comprises applying optical modulation, by an optical gate of the optical path and under a control of an electrical modulator, to provide an optical signal having a value selected out of multiple constellation levels. The combiner is configured to add the multiple path output signals to provide an oDAC output signal having a value selected from values of a single quadrature constellation.

Abstract: The invention provides metal-peptoid complexes for use as electrocatalyst in water oxidation processes.

Abstract: Provided herein is forward osmosis-based water purification process, that includes contacting a solution of a soluble draw agent with a dehydrated insoluble draw agent, separating the now hydrated insoluble draw agent from the now concentrated draw solution, and exerting a stimulus on the hydrated insoluble draw agent for extracting water therefrom, thereby regenerating a dehydrated insoluble draw agent, wherein the osmotic concentration (osmolality) of the insoluble draw agent is greater than the osmotic concentration of the diluted draw solution, and the insoluble draw agent is impermeable to the soluble draw agent.

Abstract: A method for localization of a drone within a building, the method may include (a) detecting, by an acoustic detection unit of the drone, sounds generated by a propulsion unit of the drone while the drone is located within the building; and (b) determining, by a processing unit of the drone, the location of the drone within the building, based on the sounds and on building acoustic information regarding sounds detected at different portions of the building.

Abstract: Modified quinolones (e.g., fluoroquinolones) featuring a quinolone (e.g., fluoroquinolone) skeleton having conjugated thereto, via selected linkers, a metal chelating moiety, and metal complexes thereof, are provided. Uses of the compounds and complexes in treating medical conditions associated with pathogenic microorganism are also provided.

Abstract: An adaptor for coupling a proximal portion of an elongate surgical tool to a motorized robotic surgical device, the adaptor comprising: a recess shaped and sized for receiving a proximal portion of an elongate surgical tool; one or more movers positioned to contact and move a control component of the proximal portion; and transmission coupling which couples the one or more movers to motorized transmission of the robotic surgical device.

Abstract: A device that may include a transmitter that is configured to transmit, per each sensing iteration, a radiation pulse; an array of pixels, each pixel comprises multiple subpixels, each subpixel comprises single photon avalanche diodes (SPADs) that are coupled to each other in parallel, and one or more quenching circuits, wherein each subpixel is configured to output a subpixel output signal indicative of a reflected radiation pulse sensed by one or more SPADs of the subpixel; wherein the reflected radiation pulse is reflected from an area of an object that was illuminated by the radiation pulse; and a processing circuit that is configured to: read, for each pixel, multiple subpixel output signals from the multiple subpixels of the pixel; receive, per each sensing iteration, transmission timing information indicative of a timing of transmission of the radiation pulse; and determine, per each sensing iteration and per each subpixel, a timing of a first detection of the reflected pulse detected by any of the SPA

Abstract: A semiconductor laser element a first ring resonator. The first ring resonator includes a first semiconductor stack including a first n-side semiconductor layer, a first p-side semiconductor layer, and a first active layer located between the first n-side semiconductor layer and the first A-side semiconductor layer, wherein the first ring resonator comprises a diffraction grating. The semiconductor laser element further includes a second ring resonator optically coupled to the first ring resonator by evanescent field coupling. The second ring resonator includes a second semiconductor stack including a second n-side semiconductor layer, a second p-side semiconductor layer, and a second active layer located between the second n-side semiconductor layer and the second p-side semiconductor layer, wherein a peak wavelength of light emitted by the second ring resonator is the same as a peak wavelength of light emitted by the first ring resonator.

Abstract: Provided herein is a porous PLA-based monolith having a microstructure templated by an external phase of a HIPE, as well as processes of manufacturing the same and uses thereof.

Abstract: A monolithic solid state system comprises a ferroelectric crystal and a semiconductor crystal arranged laterally to define a nanolayer having a heterojunction between the two crystals. In some embodiments, the ferroelectric crystal exhibits in-plane polarization.

Abstract: The present invention provides a flow-gate design that utilizes chemo-responsive colloidal particles to control the flow rate therethrough. The flow-gate operates by changing the compactness of the colloidal particles, which changes in response to changes in pH or ionic strength in the flow medium or the surrounding environment. The design also allows the flow-gate as a size-discriminating filter. The ability to control the flow rate in response to changes in the flow medium or the environment makes the presently provided flow-gate useful for a variety of applications, including those that require automatic control of the flow rate, and automatic irrigation.

Abstract: Anion exchange membrane electrode assemblies, fuel cells and electrochemical cells comprising such assemblies, which comprise an anion exchange membrane sandwiched between an anode compartment and a cathode compartment, and which are operable at a temperature of at least 100° C., are provided. Systems, devices, articles and methods that utilize such assemblies at an operating temperature of at least 100° C. are also provided.

Abstract: An analog to digital converter comprises an input for receiving an analog input signal; a plurality of outputs for outputting parallel bits of a digital signal that represents said analog input signal; and a neural network layer providing connections between each of said outputs respectively, each connection having an adjustable weighting. The synapses of the neural networks may be memristors and training may use online gradient descent.

Abstract: Provided is a superabsorbent structure based on a covalently crosslinked copolymer having a microstructure of a HIPE, and characterized by hydrophobic and hydrophilic segments of at least five residues; the unique chemical and structural properties of the copolymer afford a polymeric superabsorbent structure that is capable of swelling in polar as well as apolar media. Also provided are processes of manufacturing the superabsorbent structure, and uses thereof.