Abstract: A disinfecting apparatus including a housing to accommodate at least one tray therein, the housing having a first side and a second side, an ultraviolet (UV) light source disposed in the housing and configured to emit UV light towards the tray, and a plurality of doors including a first door and a second door disposed on the first side and the second side of the housing, respectively, in which the first door and the second door are configured to be opened in a direction away from the housing.

Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one input for a reactant to enter the at least one cell and at least one output for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing.

Abstract: The display device with an ultraviolet (UV) germicidal lamp includes a display device, an UV germicidal lamp, a power electrically connected to the UV germicidal lamp, a control circuit electrically connected to the UV germicidal lamp, and a fixture member detachably fixing the UV germicidal lamp to a circumferential rim of the display device. The fixture member includes a base, a first clamp piece, and a second clamp piece. The base is joined to the UV germicidal lamp. The first and second clamp pieces are mounted at interval on the base, forming a clamp interval in between. An elastic element is provided between the second clamp piece and the base for forcing the second clamp piece towards the first clamp piece. Therefore, by adjusting the clamp interval, the UV germicidal lamp may be reliably clamped to the display device.

Abstract: An air treatment unit having a frame and a source of UV light, with the frame having an air guidance assembly. Air within a primary treatment volume is guided by the frame to move radially outwardly from the primary treatment volume through a dispersion angle. Air within the primary treatment volume is exposed to UV light rays from the UV light source. The air treatment unit is changeable between: a) a first state wherein a predetermined part of a volume of space within which the air treatment unit resides is strategically blocked from direct exposure to UV light rays generated by the UV light source; and b) a second state wherein at least a portion of the predetermined part of the volume of space is directly exposed to UV light rays from the UV light source.

Abstract: The Desktop Air Purifier with Double-layer Glass Tube Ultraviolet Disinfection Lamp (The desktop air purifier with DLGTUVDL) uses a turbo blower with an air filter to draw in outside air to be disinfected through its specially designed double-layer glass tube ultraviolet disinfection lamp. The ultraviolet disinfection lamp of the desktop air purifier has a double-layer glass tube with an inner glass tube and an outer glass tube. The center of the inner glass tube is a hollow space for external air to pass through and receive UV disinfection. This unique design allows ultraviolet rays to surround the entire hollow tube space to provide 360-degree ultraviolet radiation and disinfection at a close distance without dead ends, which greatly improves the disinfection efficiency. In addition, the desktop air purifier with DLGTUVDL has the function of natural plant scent air purifying agent to provide the disinfected air that carries the natural plant scents.

Abstract: A system for irradiating a microplate may include a modular light engine with one or more light emitting devices. The light emitting devices are configured to emit germicidal radiation to irradiate the microplate, which is configured to be positioned below the modular light engine inside a chamber of the microplate irradiation system. In this way, a uniform intensity of germicidal radiation may be output by light emitting devices, resulting in disruption of contaminating nucleic acids present in the microplate.

Abstract: Described herein generally are sterilization devices that can allow sterilization of surface(s) of instrument(s). Methods of using these devices are also described.

Abstract: Provided are a multilayer film having excellent gas permeability and excellent handling properties and hence is suited for forming a cell culture container, and a cell culture container formed by using the same. A multilayer film used for forming a cell culture container, comprising: a base material composed of a polyethylene-based resin having a density of 0.87 g/cm3 to 0.90 g/cm3; and an inner layer composed of a polyethylene-based resin having a density of 0.896 g/cm3 to 0.93 g/cm3 and forming a cell culture icy surface. A cell culture container is formed by using this multilayer film.

Abstract: Implementations of the disclosed subject matter provide a mobile robot including a motor to drive a drive system to move the mobile robot in an area, a light source to output ultraviolet (UV) light, at least one sensor, a communications interface to receive at least one signal via a communications network, and a first controller to control the drive system, the light source, the at least one sensor, and the communications interface. Operations of the mobile robot may be controlled based in part on the at least one signal received via the communications network from a second controller that is in a location that is remote from the area where the mobile robot is operating.

Abstract: Methods and systems are provided which project germicidal light from a lamp toward an individual donned in outerwear to disinfect the outerwear. In specific embodiments, germicidal light is projected toward an individual situated greater than approximately 1 foot from the light source. Some systems include sensor/s for detecting presence of an individual within a target area a set distance from the disinfection apparatus comprising the light source and program instructions for commencing operation of the disinfection apparatus based on information from the sensor/s. In addition or alternatively, some systems include reflective panel/s exhibiting greater than approximately 85% reflectance.

Abstract: A building automation system may control ultraviolet lights to intelligently disinfect susceptible environments based on occupant density. The system comprises multiple occupancy sensors, a disinfection environment tracking engine, and an ultraviolet light control engine. The multiple occupancy sensors generate real time occupancy data associated with multiple objects detected within an area. The disinfection environment tracking engine determines real time occupant density of the multiple objects detected within the area based on the real time occupancy data generated by the multiple occupancy sensors. The ultraviolet light control engine controls operation of one or more ultraviolet lights to disinfect the area based on the real time occupant density determined by the disinfection environment tracking engine.

Abstract: A method of providing doses of light sufficient to deactivate bacteria throughout a volumetric space. The method includes: (1) receiving data associated with a desired illuminance level for the space, indicative of an estimated occupancy of the volumetric space over a pre-determined period of time, and indicative of dimensions of the space; (2) determining, based on the received data, an arrangement of one or more lighting fixtures in the volumetric space, the one or more lighting fixtures configured to at least partially emit disinfecting light having a wavelength of between 400 nm and 420 nm, and a total radiometric power to be applied via the one or more lighting fixtures to produce a desired power density at any exposed surface within the volumetric space during the period of time; and (3) installing the determined arrangement of one or more lighting fixtures in the volumetric space.

Abstract: An imaging target includes a light emitter configured to emit visible light from a surface of the imaging target, and an imaging device captures an image of at least the light emitter of the imaging target and acquires image data including the light emitter.

Abstract: An apparatus for sterilizing a fingerprint recognition area, the apparatus includes at least one finger contact unit for obtaining a fingerprint image on which a body of a user is contacted, a sterilizing light emitting unit configured to emit the sterilizing light onto the at least one finger contact unit for obtaining the fingerprint image, at least one optical sensing unit configured to sense the sterilizing light emitted onto the at least one finger contact unit for obtaining the fingerprint image and a control unit configured to determine an ON timing of the sterilizing light emitting unit after performing user authentication for the user, and determine an OFF timing of the sterilizing light emitting unit based on a result of comparing an accumulated value of the calculated energy of the sterilizing light with a predetermined reference energy.

Abstract: A make-up brush system includes a mandrel having a first end and a second end. The first end includes a gripping surface for engagement with a hand of a make-up artist and the second end being shaped and dimensioned for selective engagement with a plurality of make-up brushes. A plurality of make-up brushes is provided. Each of the plurality of make-up brushes includes a first end and a second end, the first end including a functional component of the make-up brush and the second end including a coupling member shaped and dimensioned for selective engagement with the second end of the mandrel. The system also includes a case both supporting and sanitizing the various components of the present invention. The case includes a tray supporting the plurality of make-up brushes in accessible positions within the case.

Abstract: An air disinfection device includes: a housing including an inlet port and a disinfection chamber that has a shape of a frustum; and a disinfection head disposed in the inlet port and including a fan for taking air into the housing, a filter for filtering the air; and a light source for generating disinfection light that forms a light frustum and disinfects the air in the disinfection chamber. The air disinfection device further includes a power source that provides electrical power for the disinfection head. The light source is arranged so that the light frustum is coaxial with the chamber frustum, and the light and chamber frusta diverge along the same direction. The lateral surface of the light frustum can coincide with the inner lateral surface of the disinfection chamber and the entire portion of a space defined by the disinfection chamber is located within the light frustum.

Abstract: A portable UV-C disinfection apparatus, method, and system for ultraviolet germicidal irradiation. UV-C emitters may be coupled to an array housing having a planar array surface in a vertical configuration. UV-C sensors are configured to measure the amount of UV-C light or near UV-C light from a target surface. A controller may be communicably engaged with the UV-C sensors to determine the amount of UV-C radiation collected by the UV-C sensors. The controller includes instructions stored on a memory according to the amount of UV-C radiation collected corresponding to an effective kill-dose for surface disinfection. The improved apparatus, method, and system reduces exposure time by varying the intensity and wavelength of the UV-C administered, while concurrently reducing UV overexposure to surfaces by administering radiation through a rotational zonal application.

Abstract: A hybrid germicidal irradiation apparatus, method, and system for dual-band germicidal irradiation. A first plurality of emitters and a second plurality of emitters may be coupled to a housing configured to be coupled to a ceiling of an interior room. The first plurality of emitters and the second plurality of emitters may be operable to emit UV-C radiation at a wavelength of about 265 nanometers and near-UV radiation at a wavelength of about 405 nanometers, respectively. One or more radiation sensors are configured to measure the amount of UV-C light or near UV-C light reflected from a target surface. A controller may be communicably engaged with the radiation sensors to calculate an amount of UV-C radiation and near-UV radiation delivered to a target surface or interior space.

Abstract: A computer-implemented method for approving a medical device disposable component used in a medical procedure comprising providing an identifiable feature on a medical device disposable component, wherein the identifiable feature comprises one or more photo-identifiable entities having a first emission pattern when in an unexcited state and a second emission pattern when in an excited state. The method also comprises illuminating the identifiable feature with an excitation light source to elicit the second emission pattern, detecting the second emission pattern and comparing the second emission pattern against a set of established reference emission patterns, and determining whether the medical device disposable component is approved based on comparison of the second emission pattern to the set of established reference emission patterns.

Abstract: A fabric warming rack comprises a rod extending along a horizontal plane and a first light source rotatably coupled to the rod and configured to rotate about the rod.

Abstract: A multifunctional lamp includes a lighting device and a sterilization device. The lighting device includes a base, a lighting member configured to emit flame-like light; and a light-transmitting suspending chamber defined with a mounting opening. The lighting member is mounted into the light-transmitting suspending chamber through the mounting opening. The light-transmitting suspending chamber is arranged at one side of the base with the base sealing the mounting opening and the sterilization device is arranged at the other side of the base. When the multifunctional lamp is put into liquid, the light-transmitting suspending chamber is capable of floating on the liquid and the sterilization device is capable of being deep into the liquid to sterilize the liquid.

Abstract: Systems and methods for controlling a light emitting diode (LED) system associated with an area and having a plurality of LED arrays are provided. In some implementations, the lighting system can include a first LED array associated with visible light and a second LED array associated with UV light. The lighting system can include one or more first sensors configured to detect occupancy within the area and send signals indicating whether the area is occupied. The lighting system can include one or more second sensors configured to detect microbes within an area and send signals indicating whether microbes are present in the area. The lighting system can include a control circuit configured to receive the signals sent by the one or more first and second sensors and to control the first LED array and the second LED array based on the signals.

Abstract: A sterilization device for improving a disinfection effect includes: a main body, including a first surface, a second surface opposite to the first surface, and an accommodating hole, two sides of the main body respectively configured with a through hole, and the through holes in communication with the accommodating hole; a sanitizing lamp, configured on the second surface of the main body, the sanitizing lamp including a lighting element, sensor element, control element and power element; and a fixing member, passed through the through holes and accommodating hole of the main body. Taking a door handle as an example, the main body is passed through with the door handle through the accommodation hole, and the fixing member is then inserted through the through holes and accommodating hole, thereby fixing the main body on the door handle. Thus, the sanitizing lamp emits light to disinfect the door handle.

Abstract: An automatic analyzer is equipped with a sterilization mechanism removably attached to an opening of a container that holds a reagent and having an ultraviolet light generation section that radiates ultraviolet light; a suction nozzle removably attached, together with the sterilization mechanism, to the opening of the container; an analysis section adding the reagent drawn in by suction from the container via the suction nozzle to the reagent, and executing an analysis operation; and a control section exercising variable control over an irradiation light intensity of the ultraviolet light generated by the ultraviolet light generation section.

Abstract: A system for contained sterile/aseptic transfer of materials comprises a coupler assembly (6) including an active valve assembly (9) having an active valve and docking part and a passive valve assembly (7) which comprises a passive valve and a complimentary docking part, the two docking parts enabling the two valve assemblies to be secured together in a first position with a void formed between the two facing surfaces of the closed valves. A sterilisation device (20) including a UV emitter assembly is arranged to emit UV light into the void such that the exposed outer surfaces of at least the passive valve and active valve are exposed to UV light emitted by the emitter assembly after the two docking parts are secured together in the first position, and prior to moving of the passive/active valve to a second position where material may transfer through the opened valves.

Abstract: An ultraviolet (UV) sterilization system and a device for sterilizing a garment having shoulder, torso, and sleeve portions including a garment enclosure; a garment hanger; and at least three UV emitter sets, wherein the garment enclosure comprises a housing and a door that are affixed to each other to provide an interior cavity of the garment enclosure, wherein the housing further includes a plurality of housing walls that encapsulate the housing, and wherein each of the plurality of housing walls comprises a housing-wall inside surface located within the plurality of housing walls and a housing-wall outside surface located outside the plurality of housing walls.

Abstract: A UVC germicidal light for indoor appliances includes a housing having UVC LED light strips, a power source, an on-off switch and an LED frequency and amplitude adjustment circuit. The light includes a magnetic attachment so that the unit can be placed inside an appliance such as a washer, dryer, dishwasher, refrigerator, or the like. Multiple modes of operation, including dimming, allow the user to select the ideal conditions for the application and germicidal needs. The UVC LEDs are configured to emit light in the range of 200-280 nm.

Abstract: The present invention relates to methods and devices for diminishing microbes. The invention provides methods and devices to sanitize, disinfect and sterilize areas, spaces, surfaces and items as well as to sanitize human skin. The methods and devices will be of major importance to the healthcare industry and to other industries or physical environments that require sanitizing, disinfecting or sterilizing. The methods comprise the use of near infrared light (NIR), UV, violet and blue emitting LED elements as well as OLED (Organic Light-Emitting Diodes) as a stand-alone technology. Optionally the system may be used in combination with ozone and ionized silver.

Abstract: A system and method for disinfecting hard surfaces in an area such as a hospital room including a light source emitting UV light and a reflector mounted behind the light source for concentrating and directing the light toward a target. The light source and reflector rotate to direct the concentrated beam around a room, thereby making more efficient use of the energy being emitted.

Abstract: A method of forming birnessite ?-MnO2 nanosheets is provided. The method includes oxidizing manganese (Mn2+) in the presence of a source of nitrate and a light source.

Abstract: A UV light delivery device for performing intra-corporeal ultraviolet therapy is provided. The device includes an elongated body separated by a proximal end and a distal end. The device also includes a UV light source configured to be received at the receiving space. In some examples, the UV light source is configured to emit light with wavelengths with significant intensity between 320 nm and 410 nm and is utilized in conjunction with an endotracheal tube or a nasopharyngeal airway.

Abstract: The purpose of the present invention is to provide an ultraviolet sterilization device that can increase the ultraviolet irradiance near the center of a treatment flow path even at a position far from a light emitting element. This ultraviolet sterilization device comprises: a flow path tube having a linear treatment flow path therein; a light emitting element for emitting ultraviolet rays; and a reflector having a reflection surface for reflecting ultraviolet rays emitted from the light emitting element and collecting and directing the ultraviolet rays to the flow path tube. The ultraviolet sterilization device irradiates a fluid flowing in the linear treatment flow path with ultraviolet rays and sterilizes the fluid.

Abstract: Provided is a water treatment apparatus that can uniformly irradiate water to be treated with ultraviolet light in sufficient irradiation quantity and in which a cleaning device and the like can be mounted easily. A water treatment apparatus that subjects water to be treated to ultraviolet treatment using ultraviolet light, the water treatment apparatus comprises: a flow channel through which water to be treated flows; and an ultraviolet irradiation portion that is located on an opposite side of the flow channel from an inlet side, and irradiates the water to be treated flowing in the flow channel with ultraviolet light via a window portion toward the inlet side, the window portion being formed by a transparent member, wherein the flow channel includes a diameter increase portion, and the diameter increase portion is provided with at least one of: a cleaning device used to clean the window portion; and a sensor.

Abstract: A gas cleaning system includes an inlet receiving a gas, an outlet spaced apart from the inlet, a gas channel defined between the inlet and the outlet to direct the gas from the inlet to the outlet, a photoionizer disposed to emit radiation towards a portion of the gas channel, and a first electrode module. The first electrode module includes a first discharge electrode assembly that generates a corona discharge within the gas channel and a first collection electrode assembly that collects ionized particles from the gas in the gas channel.

Abstract: Methods of the present invention comprise photoinactivation of catalase in combination with low-concentration peroxide solutions and/or ROS generating agents to provide antibacterial effects.

Abstract: A point-of-use (POU) water filtration device has a container. A plurality of channels is formed within the container, water entering the container flowing through the plurality of channels. A plurality of Ultraviolet (UV) Light Emitting Diodes (LEDs) is provided. Each of the plurality of UV LEDs illuminating UV light down an associated channel of the plurality of channels.

Abstract: An apparatus is provided for delivering IR and/or UV radiation, to an area or a surface in which virions, such as SARS-CoV-2 (the virus that causes the disease, COVID-19), may exist, wherein the IR radiation is intended to degrade the viral envelope of the virions and wherein the UV radiation is intended to break specific molecular bonds in order to degrade the RNA of the virion contained within a viral envelope.

Abstract: A disinfecting system includes a housing. An ultraviolet light (UV) source is secured to the housing and configured to emit UV light for disinfection of a target. A processor is secured to the housing in communication with the UV light source. The processor is configured to activate the UV light source for a selected amount of time suitable for disinfection of the target.

Abstract: A germicidal system for use in disinfecting one or more contact surfaces includes one or more germicidal devices each comprising a germicidal light source. The one or more germicidal devices may be connected to a network, which allows for controlling the operational parameters of the one or more germicidal devices and/or collecting information from the one or more germicidal devices.

Abstract: A UV treatment cartridge having an exterior housing and a UV treatment module located inside of the exterior housing. The UV treatment module having a UVLED array for UV treatment of a fluid passing through the UV treatment module. An internal annular space between the exterior sidewall and the module sidewall forms an entry flow path to the UV treatment module thereby substantially balancing fluid pressure acting on the inside of the module sidewall and acting on the outside of the module sidewall.

Abstract: The present invention provides a slow-start photocuring device, comprising: a housing, an ultraviolet (UV) light-emitting diode (LED) module, and a switch control module. The housing has an inner side provided with an internal cavity, wherein the inner side of the housing is further provided with one or a plurality of openings on one or two sides of the internal cavity. The UV LED module is provided around the internal cavity, wherein the UV LED module has a light-emitting side facing the internal cavity. The switch control module is connected to the UV LED module, wherein the switch control module includes a signal modulator, the signal modulator activates a buffer mode when receiving a trigger signal, and the UV LED module in the buffer mode outputs light of a plurality of brightness levels sequentially according to an output signal of the signal modulator.

Abstract: A device for reconstituting a filter and/or a filter-containing consumable for use in breath monitoring, the device including a connector socket that may receive and/or mate with the filter or filter-containing consumable, a pump that may pump ambient air into a chamber of the device, an inlet that may allow flow of oxygen into the chamber, a UV source that may catalyze the formation of ozone from the oxygen, thereby obtaining ozone enriching air in the chamber, and an outlet that may eject the ozone enriched air, from the chamber, into the filter, thereby reconstituting the filter and/or the filter-containing consumable.

Abstract: Disclosed herein is a light emitting diode (LED) lighting device for sterilizing a surface or a space capable of effectively performing short-distance sterilization or long-distance sterilization. The device includes: a body including an inner transparent tube and an outer transparent tube in a double-tube type, the inner transparent tube forming a vertical ventilation hole and the outer transparent tube being spaced apart from the inner transparent tube at a predetermined distance; a substrate provided in a space formed by the inner transparent tube and the outer transparent tube; and a first light emitting element and a second light emitting element provided on an outer surface of the substrate. The first light emitting element emits visible light having a first wavelength of 405 nm, and the second light emitting element emits short-wavelength visible light having a second wavelength in the range of 400 to 450 nm.

Abstract: An EUV collector mirror for an extreme ultra violet (EUV) radiation source apparatus includes an EUV collector mirror body on which a reflective layer as a reflective surface is disposed, a trajectory correcting device attached to or embedded in the EUV collector mirror body and a trajectory correcting device to adjust the trajectory of metal from the reflective surface of the EUV collector mirror body to an opposite side of the EUV collector mirror body.

Abstract: Systems and methods for providing ultraviolet (UV) sterilization, disinfection and decontamination of electronic gaming machines (EGMs), gaming chips, dice, playing cards, currency, TITO tickets, etc. The ultraviolet sterilization, disinfection and decontamination may include a singular or plurality of UV lamps of any type or style or UV LEDs or RGB-UV LEDs or any type or style of UV LEDs of at least such wavelengths to be effective in at least partially reducing or eliminating viruses or the like. The UV sources are mounted on, in or proximate to a variety of gaming devices or equipment such as EGMs, mechanical gaming machines, chip trays, chippers, dice holders, automatic card shufflers, bill validators, currency counting devices, currency dispensing devices, printers, magnetic card readers, playing card and currency sterilization, disinfection or decontamination storage mechanisms, ATMs, redemption machines, promotional kiosks, etc., or similar devices used in other industries.

Abstract: Various devices for sterilizing a surface and an object in contact with the surface are disclosed. For example, a first device includes an ultraviolet light source, a touch sensor, a processing system, and a computer-readable medium. The computer-readable medium stores instructions which, when executed by the processing system, cause the processing system to perform operations that include detecting, via the touch sensor, a tactile state of the device, detecting a tactile state of at least one additional device, determining, based upon the tactile states, that the device is on an edge of a pattern of contact between an object and a surface comprising the device and the at least one additional device, and implementing an action associated with the ultraviolet light source in response to determining that the device is on the edge of the pattern of contact.

Abstract: A sanitizer includes a shell defining first and second chamber portions, and having an opening into the first portion. A cover has a closed position over the opening for preventing access to the chamber, and an open position for permitting access to the chamber. A tray is moveable between an access position in the first portion, for placement and retrieval of an article within the tray, and a sanitizing position in the second portion, for exposing the article to sanitizing electromagnetic radiation from an emitter mounted in the second portion. A controller controls an actuator coupled to the tray to move the tray to the sanitizing position when the cover is closed, and to return the tray to the access position when a return condition is satisfied. A radiation barrier is configured to substantially prevent radiation from reaching the opening when the tray is in the access position.

Abstract: A fluid sterilization module includes an inner cylinder forming a processing flow path, a case portion in which the inner cylinder is accommodated, a member provided between an outer circumferential surface of the inner cylinder and an inner circumferential surface the case portion, a first chamber located in a region on a side of one end portion of the inner cylinder with respect to the member, in a gap between the inner cylinder and the case portion, a second chamber located in a region on a side of the other end portion of the inner cylinder with respect to the member, and a light emitting element provided in at least one of the one end portion and the other end portion of the inner cylinder, and configured to emit ultraviolet light to the object passing through the processing flow path.

Abstract: A low-power system for cleaning an underwater object, comprising an autonomous vehicle configured to move along a surface of an underwater object to be cleaned, the autonomous vehicle including a cleaning device. The cleaning device is configured to remove biofouling from the surface of the underwater object. The autonomous vehicle further includes a variable buoyancy mechanism configured to control a buoyancy of the autonomous vehicle, such that the autonomous vehicle moves up and/or down an underwater object.

Abstract: An illuminator comprising more than one set of ultraviolet radiation sources. A first set of ultraviolet radiation sources operate in a wavelength range of approximately 270 nanometers to approximately 290 nanometers. A second set of ultraviolet radiation sources operate in a wavelength range of approximately 380 nanometers to approximately 420 nanometers. The illuminator can also include a set of sensors for acquiring data regarding at least one object to be irradiated by the first and the second set of ultraviolet radiation sources. A control system configured to control and adjust a set of radiation settings for the first and the second set of ultraviolet radiation sources based on the data acquired by the set of sensors.