Photodetector clamps are provided. Clamps of interest include one or more flexure arms for applying an immobilizing force to one or more photodetectors positioned within a light detection module, and are configured to be positioned on top of a detector block. In embodiments, the bottom of the one or more flexure arms include an opening for contacting the photodetector(s). Light detection modules, systems and methods employing the subject clamps are also provided.

A detection assembly and a method for producing a detection assemblies are disclosed. In an embodiment a detection arrangement includes an emitter configured to generate radiation having a peak wavelength in an infrared spectral range, a detector configured to receive the radiation, a mounting surface comprising at least a first contact surface and a second contact surface for external electrical connection of the detection arrangement, a form body adjoining the emitter and the detector at least in places and deflection optics, on which the radiation impinges during operation of the detection arrangement so that an optical path is formed between the emitter and the detector by the deflection optics, wherein the deflection optics include a scattering body into which the radiation enters during the operation through a surface of the scattering body facing the emitter.

A system for containing a sample for analysis by a spectrometer, comprising a sample receptacle unit with a well for containment of the sample, the well comprising a well inner wall and well floor, a floor aperture in the well floor, and comprising a first spectroscopy element, the first spectroscopy element spanning the opening of floor aperture, wherein the well further comprises a sealing material at the interface of the inner wall with the first spectroscopy element, wherein radiation is free to pass through the floor aperture to the first spectroscopy element.

An optical module (100) for reading a test region of an assay. The optical module comprises: a first light source (101) for illuminating the test region of the assay; an optical detector (103), comprising an optical input for receiving light emitted from the test region and an electrical output; a substrate (104) for mounting the first light source (101) and the optical detector (103); and a housing (105) comprising: a first opening (106) for providing a first optical path from the first light source (101) to the test region (103); wherein the housing (105) and the substrate (104) enclose and positionally align the first source (101) and the optical detector (103) relative to the first opening (106). The housing (105) may comprise one or more legs (108), such as a flexible hook portion which secures the housing (105) to the substrate (104) with a snap-fit engagement, extending from a first and/or second outer surface of the housing (105) in a vertical direction. Beneficially, the snap-fit engagement provided by the flexible hook portion allows the housing to be aligned and secured without the need to use glue or for example a screw and thread that can be difficult to control and/or risks misalignment of the housing.

A detection device for cannabinoid use including a base unit and a display screen disposed on the base unit. A central processing unit and a tetrahydrocannabinol testing device are disposed within the base unit. A testing slot is disposed on a bottom portion of the base unit, with a back end of the testing slot disposed within the tetrahydrocannabinol testing device. Each of a plurality of testing strips is slidably and removably disposed within the testing slot. A printer has a pair of T-shaped attachment extensions. Each of the pair of attachment extensions and a universal serial bus plug disposed on the printer simultaneously removably and slidably engages each of a pair of attachment slots and a universal serial bus port disposed on the base unit, respectively. The tetrahydrocannabinol testing device is configured to analyze and calculate the presence and amount of tetrahydrocannabinol in a person's bloodstream.

An apparatus and examples of methods for using and manufacturing aspects of an apparatus with a sensor having an active surface. A sensor, a lid, and a flow channel bounded by the lid and a surface of the sensor, and including an illumination source, a heater, and a pump. A method includes fluidically coupling a first flow cell and a second flow cell to a reservoir, moving fluid from the reservoir into a flow channel of the first and second flow cell using respective pumps; and heating fluid in the flow channels of the first and second flow cells using respective heaters. A method includes forming a first sensor and a second sensor on a flexible surface, and folding the flexible surface until the first sensor faces the second sensor.

A fluorescence lifetime sensor module comprises an opaque housing having a first chamber and a second chamber which are separated by a light barrier. An optical emitter is arranged in the first chamber and configured to emit through a first aperture. Emission of pulses of light of a specified wavelength is arranged to optically excite a fluorescent probe to be positioned in front of the sensor module. A detector is arranged in the second chamber and configured to detect through a second aperture received photons from the fluorescent probe. A measurement block is configured to determine respective difference values representative of an arrival time of one of the received photons with respect to the emission pulses. A histogram block is configured to accumulate the difference values in a histogram. A processing circuit is configured to compute time-of-flight values based on an evaluation of the histogram, compute a fluorescence lifetime from the time-of-flight values and generate an output signal being indicative of the fluorescence lifetime of the fluorescent probe. A control unit is configured to initiate pulsed emission of the optical emitter.

A fluorescence lifetime sensor module comprises an opaque housing having a first chamber and a second chamber which are separated by a light barrier. An optical emitter is arranged in the first chamber and configured to emit through a first aperture. Emission of pulses of light of a specified wavelength is arranged to optically excite a fluorescent probe to be positioned in front of the sensor module. A detector is arranged in the second chamber and configured to detect through a second aperture received photons from the fluorescent probe. A measurement block is configured to determine respective difference values representative of an arrival time of one of the received photons with respect to the emission pulses. A histogram block is configured to accumulate the difference values in a histogram. A processing circuit is configured to compute time-of-flight values based on an evaluation of the histogram, compute a fluorescence lifetime from the time-of-flight values and generate an output signal being indicative of the fluorescence lifetime of the fluorescent probe. A control unit is configured to initiate pulsed emission of the optical emitter.

The application discloses using sensors on eartips and/or earphones to monitor biometrics of a user and/or the ambient environment.

A detection assembly and a method for producing a detection assemblies are disclosed. In an embodiment a detection arrangement includes an emitter configured to generate radiation having a peak wavelength in an infrared spectral range, a detector configured to receive the radiation, a mounting surface comprising at least a first contact surface and a second contact surface for external electrical connection of the detection arrangement, a form body adjoining the emitter and the detector at least in places and deflection optics, on which the radiation impinges during operation of the detection arrangement so that an optical path is formed between the emitter and the detector by the deflection optics, wherein the deflection optics include a scattering body into which the radiation enters during the operation through a surface of the scattering body facing the emitter.