Abstract: A light field imaging system and method are presented. The light-field imaging system comprises an optical arrangement configured for collecting an input light field from a scene and projecting collected light on a pixel matrix of a detector unit, the optical arrangement comprising” an optical coder configured for applying angular coding to the light being collected to produce angularly coded light by separating the light being collected into an array of u angular light components corresponding to u different discrete viewpoints of the scene and projecting light from all of said u angular light components onto each of at least some of the pixels in the pixel matrix thereby causing in-pixel summation of the u angular light components on the pixel matrix of the sensor unit.

Abstract: A system for expressing a chloramphenicol split protein is disclosed. Uses thereof are also disclosed.

Abstract: Composite electrodes are described herein, comprising a stainless steel substrate and silicon-containing nanostructures extending from the substrate, as well as processes for preparing such electrodes without requiring a catalyst by pre-treatment of the steel. At least a portion of the silicon-containing nanostructures are characterized by: being substantially devoid of a non-silicon catalyst material and/or a noble metal; and/or including along its length a metal constituent originating from the steel substrate; and/or including a metal silicide extending from the substrate and along at least a portion of its length; and/or being fused with at least one other silicon-containing nanostructure at a location removed from a surface of the substrate to form a sponge-like three-dimensional structure; and/or being stainless steel nanostructures having a layer of silicon disposed thereon.

Abstract: Disclosed herein is a novel a tunable Micro-Electro-Mechanical (MEMS) Etalon system including: a functional layer patterned to define a suspension structure for suspending a first mirror being an aperture mirror of the Etalon, an aperture mirror coupled to the suspension structure, and a back layer including a second mirror, being a back mirror of the Etalon. The functional layer may be located above the back layer and the back layer may include spacer structures protruding therefrom towards the aperture mirror to define a minimal gap between the aperture mirror and the back mirror and prevent collision between them. The aspect ratio between the width of the etalon/mirrors may be high (e.g. at least 500), and the minimal gap/distance between the mirrors may be small in the order of tens of nanometers (nm).

Abstract: Energetic nitrogen-rich monomers represented by the general Formula I: wherein each of X1 and X2 is independently NR or a covalent bond, R is H or C1-4 alkyl, each of T1 and T2 is independently a moiety selected from the group consisting of a triazole moiety, a tetrazole moiety and a guanidine moiety, at least one of T1 and T2 being substituted by at least one polymerizable group, are disclosed herein, as well as polymers based thereon, and uses of such polymers.

Abstract: The present invention provides wheat cultivars that are resistant to leaf rust and/or stripe rust disease caused by strains of the fungus Puccinia and to means and methods for producing same. Particularly, the present invention provides wheat cultivars comprising a chromosome segment of Ae. sharonensis, the chromosome segment confers, enhances, or otherwise facilitates resistance of the wheat plants to leaf rust and/or stripe rust disease.

Abstract: Provided are methods and formulations for imaging at least one body region of a subject, employing a glucose analog resistant or inactive to phosphrylation, or which is not a substrate for hexokinase.

Abstract: A hyperspectral imaging system and method are presented for use in reconstruction of spectral data of an object. The system comprises: a pixel matrix of a detector; a tunable dispersive unit in front of the pixel matrix; and a control system. The control system comprises: a controller for tuning the dispersive unit during n image acquisition sessions to provide n different partially overlapping spectral transmission profiles of the dispersive unit; and a control unit which is in data communication with the detector and is configured and operable for processing n image data pieces generated by the pixel matrix in said n image acquisition sessions respectively, each being indicative of a spectral image detected by the pixel matrix and corresponding to the different spectral transmission profile of the dispersive unit, and determining the reconstructed spectral data of the object.

Abstract: An apparatus (32) includes an electronic circuit (76, 80, 84), an electro-acoustic transducer (60) and a coupler (64). The electronic circuit is configured to receive data to be transmitted over an optical cable (24), and to convert the data into a modulating signal. The electro-acoustic transducer is configured to convert the modulating signal into an acoustic wave. The coupler is mechanically coupled to a section of the optical cable, and is configured to apply to the section a longitudinal strain that varies responsively to the acoustic wave, so as to modulate the data onto an optical carrier traversing the optical cable.

Abstract: An apparatus (32) includes an electronic circuit (76, 80, 84), an electro-acoustic transducer (60) and a coupler (64). The electronic circuit is configured to receive data to be transmitted over an optical cable (24), and to convert the data into a modulating signal. The electro-acoustic transducer is configured to convert the modulating signal into an acoustic wave. The coupler is mechanically coupled to a section of the optical cable, and is configured to apply to the section a longitudinal strain that varies responsively to the acoustic wave, so as to modulate the data onto an optical carrier traversing the optical cable.

Abstract: Provided is a platform for of the preparation of improved nucleic acid delivery vehicles, specifically, vehicles having an extended host recognition ability. Further provided are improved vehicles, compositions and uses thereof.

Abstract: Bacterial systems for analyzing ubiquitination of proteins is disclosed herein. Kits for analyzing the ubiquitination and methods for carrying out the analysis are also disclosed.

Abstract: Provided is a novel printing process for fabricating metallic, conductive and transparent ultra-thin nanowires and patterns including same on a substrate. The process includes two different controllable steps, each designed to achieving a useful and efficient pattern.

Abstract: Hybrid hydrogels formed of a plurality of peptides that are capable of self-assembling into a hydrogel in an aqueous solution and a biocompatible polymer that is characterized by high swelling capability, high elasticity and low mechanical strength are disclosed, with exemplary hybrid hydrogels being formed of a plurality of aromatic dipeptides and hyaluronic acid. The hybrid hydrogels are characterized by controllable mechanical and biological properties which can be adjusted by controlling the concentration ratio of the peptides and the polymer, and which average the mechanical and biological properties of the peptides and the polymer. Processes of preparing the hydrogels and uses thereof in pharmaceutical, cosmetic or cosmeceutic applications such as tissue engineering and/or regeneration are further disclosed.

Abstract: Energetic nitrogen-rich monomers represented by the general Formula I: wherein each of X1 and X2 is independently NR or a covalent bond, R is H or C1-4 alkyl, each of T1 and T2 is independently a moiety selected from the group consisting of a triazole moiety, a tetrazole moiety and a guanidine moiety, at least one of T1 and T2 being substituted by at least one polymerizable group, are disclosed herein, as well as polymers based thereon, and uses of such polymers.

Abstract: An imaging system color image acquisition including: an image sensor; a tunable spectral filter arranged in an optical path of light propagation towards the image sensor; and a controller connected to the image sensor and to the tunable spectral filter. The controller is configured and operable for generating a colored image by sequentially operating the tunable spectral filter for sequentially filtering light passing towards the image sensor with three or more different spectral filtering curves during three or more corresponding integration time durations. The tunable spectral filter is configured, as an etalon and includes a pair of reflective surfaces. At least one of the reflective surfaces includes a layer of high refractive index of at least n=2.3 or even higher than 3, or a layer of low refractive index, smaller than n=1.

Abstract: Energetic nitrogen-rich monomers represented by the general Formula I: wherein each of X1 and X2 is independently NR or a covalent bond. R is H or C1-4 alkyl, each of T1 and T2 is independently a moiety selected from the group consisting of a triazole moiety, a tetrazole moiety and a guanidine moiety, at least one of T1 and T2 being substituted by at least one polymerizable group, are disclosed herein, as well as polymers based thereon, and uses of such polymers.

Abstract: Provided are methods and formulations for imaging at least one body region of a subject, employing a glucose analog resistant or inactive to phosphrylation, or which is not a substrate for hexokinase.

Abstract: A bioadhesive formulation, comprising gelatin, alginate and a coupling agent, capable of forming a bioadhesive matrix, which is characterized by rapid curing, optimal viscosity, high bonding strength, flexibility, biocompatibility and biodegradability, is disclosed. Further disclosed is such a bioadhesive formulation which further comprises a bioactive agent, and a drug-eluting bioadhesive matrix formed therefrom, the bioadhesive matrix being capable of delivering the bioactive agent to a bodily site. Methods utilizing the bioadhesive formulations and matrices in various biological and medical procedures are also disclosed.

Abstract: A bioadhesive formulation, comprising gelatin, alginate and a coupling agent, capable of forming a bioadhesive matrix, which is characterized by rapid curing, optimal viscosity, high bonding strength, flexibility, biocompatibility and biodegradability, is disclosed. Further disclosed is such a bioadhesive formulation which further comprises a bioactive agent, and a drug-eluting bioadhesive matrix formed therefrom, the bioadhesive matrix being capable of delivering the bioactive agent to a bodily site. Methods utilizing the bioadhesive formulations and matrices in various biological and medical procedures are also disclosed.