Abstract: The present invention relates to antibodies or antigen-binding fragments thereof that neutralise SARS-CoV-2, and uses thereof.

Abstract: A light control film is described comprising alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30. In some embodiments, an absorptive layer or reflective layer is disposed between the alternating transmissive regions and absorptive regions and the light input surface and/or light output surface. In another embodiment, the alternating transmissive regions comprise an absorptive material. The light control film can exhibit low transmission of visible light and high transmission of near infrared light. Also described is a light detection system comprising such light control films and a microstructured film.

Abstract: An article includes an optical filter that comprises a wavelength selective reflective layer and at least one wavelength selective absorbing layer. The optical filter has visible transmittance between 400 nm-700 nm of less than about 30% and near infrared transmittance at 830 nm-900 nm greater than about 30%.

Abstract: The present invention relates to chimeric coronavirus spike polypeptides and uses thereof, including in vaccines.

Abstract: Systems and methods are described herein for presenting user selected scenes. A media guidance application may generate for display a listing for a media asset, wherein a play length of the media asset includes a non-selectable play length portion and a selectable play length portion. The media guidance application may generate for display a first scene option corresponding to a first scene and a second scene option corresponding to a second scene. The media guidance application may receive a user selection of the first or second scene option and incorporate the selected scene into the selectable play length portion of the media asset. The media guidance application may generate for display the media asset with the selected scene incorporated into the selectable play length portion.

Abstract: A dressing system for sensing a presence of an analyte includes a first layer, and a second layer facing a first major surface of the first layer. The second layer has a second permeability to the analyte less than a first permeability of the first layer. The dressing system further includes a first fiber configured to deliver an excitation light. The dressing system further includes at least one sensor layer including a sensor material configured to receive the excitation light from the first fiber and emit an emitted light in response to the excitation light. The dressing system further includes a second fiber separate from the first fiber and configured to receive the emitted light from the at least one sensor layer.

Abstract: A light control film is described comprising alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30. In some embodiments, an absorptive layer or reflective layer is disposed between the alternating transmissive regions and absorptive regions and the light input surface and/or light output surface. In another embodiment, the alternating transmissive regions comprise an absorptive material. The light control film can exhibit low transmission of visible light and high transmission of near infrared light. Also described is a light detection system comprising such light control films and a microstructured film.

Abstract: A nanostructured article includes a substrate; a plurality of first nanostructures disposed on, and extending away from, the substrate; and a covalently crosslinked fluorinated polymeric layer disposed on the plurality of first nanostructures. The plurality of first nanostructures includes polyurethane. The polymeric layer at least partially fills spaces between the first nanostructures to an average minimum height above the substrate of at least 30 nm such that the polymeric layer has a nanostructured surface defined by, and facing away from, the plurality of first nanostructures.

Abstract: The present disclosure includes in one instance an optical article comprising a data rich plurality of retroreflective elements that are configured in a spatially defined arrangement, where the plurality of retroreflective elements comprise retroreflective elements having at least two different retroreflective properties, and where data rich means information that is readily machine interpretable. The present disclosure also includes a system comprising the previously mentioned optical article, an optical system, and an inference engine for interpreting and classifying the plurality of retroreflective elements wherein the optical system feeds data to the inference engine.

Abstract: An optical construction includes an optical film between first and second prismatic films, which each include pluralities of parallel, linear first and second prisms. Each of the first and second prisms have opposing first and second sides extending from first and second ends of a base of the prism and meeting at a peak. The first and second sides make first and second base angles with the base of the prism. The peaks of the prismatic films face away from each other and the optical film. For a collimated, normally incident light, for at least a first wavelength in a first wavelength range, and for each of first and second polarization states: the optical film has an optical transmission of less than about 1%, and the optical construction transmits at least 1% of the incident light at an oblique angle greater than 5 degrees with respect to the optical film.

Abstract: A nanostructured article includes a substrate; a plurality of first nanostructures disposed on, and extending away from, the substrate; and a covalently crosslinked fluorinated polymeric layer disposed on the plurality of first nanostructures. The plurality of first nanostructures includes polyurethane. The polymeric layer at least partially fills spaces between the first nanostructures to an average minimum height above the substrate of at least 30 nm such that the polymeric layer has a nanostructured surface defined by, and facing away from, the plurality of first nanostructures.

Abstract: An optical system includes a multilayer optical film configured to block transmission of visible light but allow peaks or bands of certain visible wavelengths to pass through; an object disposed on a first side of the multilayer optical film; and a light source and a light sensor disposed on an opposite second side of, and facing, the multilayer optical film. The object is configured to receive light emitted by the light source through the multilayer optical film. The light sensor is configured to receive light from the multilayer optical film. An optical filter may include the multilayer optical film disposed on a wavelength selective scattering layer and/or on a wavelength selective absorbing layer. The wavelength selective scattering layer may have a near-infrared scattering ratio of less than about 0.9.

Abstract: An optical system includes a lens layer having a first major surface including first and second microlenses and a first light absorbing layer. The light absorbing layer defines first and second through openings with a one-to-one correspondence between the first and second microlenses and respective first and second through openings. Each pair of first microlens and first through opening centered on a first optical axis makes a first angle with a normal to the first light absorbing layer. Each pair of second microlens and second through opening centered on a second optical axis makes a second angle, different than the first angle, with the normal to the first light absorbing layer. A light source emits light incident on the first major surface side. The emitted light includes first and second light beams carrying respective first and second information and propagating substantially parallel to the first and second optical axes, respectively.

Abstract: An optical device is disclosed and includes an optical sensor, a plurality of photosensitive pixels disposed on the optical sensor, a wavelength-selective optical filter in optical communication with the photosensitive pixels, and a plurality of spatially-variant written regions disposed in the optical filter, the written regions having a transmission spectrum and each of the written regions being larger than each of the pixels.

Abstract: An optical construction includes an optical film between first and second prismatic films, which each include pluralities of parallel, linear first and second prisms. Each of the first and second prisms have opposing first and second sides extending from first and second ends of a base of the prism and meeting at a peak. The first and second sides make first and second base angles with the base of the prism. The peaks of the prismatic films face away from each other and the optical film. For a collimated, normally incident light, for at least a first wavelength in a first wavelength range, and for each of first and second polarization states: the optical film has an optical transmission of less than about 1%, and the optical construction transmits at least 1% of the incident light at an oblique angle greater than 5 degrees with respect to the optical film.

Abstract: Devices are provided, including a housing defining at least one window, a broadband UVC light source, and a multilayer article positioned within the housing. The multilayer article includes an absorbent layer and an ultraviolet mirror containing at least a plurality of alternating first and second optical layers. The absorbent layer absorbs and/or scatters ultraviolet light having a wavelength between at least 230 nanometers (nm) and 400 nm. The ultraviolet mirror reflects ultraviolet light in a wavelength range from 190 nm to 240 nm. Methods of disinfecting a material are also provided, including obtaining a device and directing ultraviolet radiation through the window, and exposing the material to the ultraviolet radiation for a time sufficient to achieve a desired degree of disinfection of the material. Systems and computing devices including the device are also provided.

Abstract: Stray light absorbing films are described. In particular, stray light films including a black substrate, and first and second sets of microstructures are described. The described films can reduce stray light reflections in sensor modules and other optical devices. The first set of microstructures can have an average largest diameter between 0.5 and 125 ?m. The second set of microstructures can have an average largest diameter of less than ½ of the average largest diameter of the first set of microstructures. The stray light absorbing film can have a specular reflectance for 8° incidence for wavelengths from 350-1200 nm of less than 0.3%.

Abstract: An optical sensing system includes an optical film and a transceiver configured to at least 5 one of emit and receive a first light toward an object through the optical film along a propagation direction making a first angle of greater than about 20 degrees in an air with a normal to the optical film. The first light has a first infrared wavelength in an infrared wavelength range extending from about 800 nm to about 2000 nm. For an incident light incident on the optical film in the air and having the first infrared wavelength and for at least one of mutually orthogonal first and second 10 polarization states, the optical film reflects at least 60% of the incident light at an incident angle of less than about 5 degrees, and transmits at least 40% of the incident light at an incident angle substantially equal to the first angle.

Abstract: The disclosed patterned wavelength-selective material and process for making the patterned wavelength-selective material uses patterned applied adhesive and a structurally weak wavelength-selective material that includes portions that contact the adhesive and break to remain in contact with the adhesive. In one embodiment, the wavelength-selective material comprises an array of sections with cuts at least partially through a wavelength-selective film at each section secured to the adhesive. In another embodiment, the wavelength-selective film comprises a transfer stack of layers.

Abstract: Luminescent imaging films (100) for fluorescent enhancement and methods of making and using the same are provided. The films (100) include a flexible carrier layer (1109, and a pattern of photonic structure (120) disposed on the flexible carrier layer, which is interspersed with an anti-biofouling material (130) to provide a pattern of analyte sites (132). The pattern of photonic structure includes a patterned high-refractive-index dielectric material surface (123) so as to provide resonance at the excitation or emission wavelength to enhance a fluorescence signal from labeled analytes.