A system for locating a strand including fibers of a first woven preform material, the preform including, at the surface, strands of fibers of a second material and the strand including fibers of the first material forming a tracer. The system further includes a camera; a light source emitting a non-polarized incident beam configured to be directed towards the preform; a polarizer configured to polarize the non-polarized incident beam before interacting with the preform in order to obtain a polarized incident beam; and a crossed analyzer; the first material being chosen from among glass, aramid and aluminum oxide; the second material being chosen from among carbon and silicon carbide; the camera being configured to film a reflected beam originating from the interaction of the polarized incident beam with the preform, the reflected beam having previously crossed the crossed analyzer, so as to locate the tracer of the preform.

Portable real-time airborne fungi acquiring and detecting equipment and method are provided, the equipment includes a light source device, a manual constant-flow air pump, an impactor, an airborne fungi enrichment and dyeing device, and a fluorescence data collecting and processing device sequentially connected. The fluorescence detection technology is combined with the microparticle separation technology to develop the portable airborne fungi real-time acquiring and detecting equipment. This equipment improves the complex and extensive collection methods in conventional airborne fungi detection and the demand limitation of independent detection equipment, and realizes the real-time collection and quantification of airborne fungi concentration. Moreover, the equipment has the advantages of small volume, low costs, easy operation and is easy to be prompted.

A system and related methods include a durable component, an indicator component including an indicator zone comprising at least one colorimetric analyte sensing element, at least one moisture sensor, and a fluid collection reservoir. The durable component contains at least one spectrophotometer, a computing system, and means for electronic communication between the computing system and at least one external device. The indicator component includes at least one colorimetric analyte sensing element and a fluid transport layer in fluid communication with the indicator zone, and it is arranged and configured for attachment to the durable component. In addition, the moisture sensor is arranged and configured to communicate the presence of moisture to initiate a predetermined delay in measuring the concentration of at least one analyte. The fluid collection reservoir is releasable from at least one of the indicator components and the durable component at a predetermined breaking point for clinical analysis.

The object of the invention is a method of detecting genetic material in a biological sample in which the biological sample is loaded into the reaction cartridge (6) and then the reaction cartridge (6) is placed in the control device, the collected biological sample is taken to the isolation chamber (7), isolation of biological material from the tested sample by heating the isolation chamber (7), the isolated genetic material is moved into a plurality of reaction chambers (8.1, 8.2, 8.3, 8.4), genetic material is amplified by heating the reaction chambers (8.1, 8.2, 8.3, 8.4), lyophilized reagents for genetic material amplification together with lyophilized fluorescent tag intercalating with genetic material are present in the reaction chambers (8.1, 8.2, 8.3, 8.4), and signal detection from fluorescent tags is carried out along with the genetic material amplification stage.

Implementations disclosed describe an optical inspection device comprising a source of light to direct a light beam to a location on a surface of a wafer, the wafer being transported from a processing chamber, wherein the light beam is to generate, a reflected light, an optical sensor to collect a first data representative of a direction of the first reflected light, collect a second data representative of a plurality of values characterizing intensity of the reflected light at a corresponding one of a plurality of wavelengths, and a processing device, in communication with the optical sensor, to determine, using the first data, a position of the surface of the wafer; retrieve calibration data, and determine, using the position of the surface of the wafer, the second data, and the calibration data, a characteristic representative of a quality of the wafer.

A calibration apparatus for calibrating an emission spectroscopy analyzer that monitors plasma generated in a plasma processing apparatus. The calibration apparatus comprises a base substrate; a plurality of light emitting devices disposed on the base substrate, each light emitting device of the plurality of light emitting devices is configured to emit light having different wavelengths from other light emitting devices of the plurality of light emitting devices; a reflector disposed on the base substrate, the reflector configured to reflect the light emitted by the plurality of light emitting devices toward an outside of the base substrate in a plan view; and a control device disposed on the base substrate, the control device configured to control the plurality of light emitting devices.

The present invention relates to the field of biochemical detection, and in particular to a reading apparatus for reading an assay result on a testing element. The reading apparatus comprises a first light-emitting element, a first photodetector and a light blocking element, wherein the first light-emitting element emits light and illuminates one or more corresponding areas of the testing element, the first photodetector receives light from one or more corresponding areas of the testing element, and the light blocking element guides a path of light emitted from a light emitting element and/or from a testing element. The light blocking element separates photodetectors in separate spaces, including a first light blocking element and a second light blocking element, wherein the first light blocking element is located between the first light-emitting element and the first photodetector, to guide the light emitted from the light emitting element to illuminate the testing element. The reading apparatus of the present invention allows light from a specific area of the testing element to be received by the photodetector and blocks invalid light from unrelated areas from entering the photodetector, thereby enhancing the accuracy and sensitivity of detection.

An embodiment of a gas analyzer is described that comprises a light source configured to produce a substantially collimated first beam with a diverging angle of less than about 15 degrees; a gas cell comprising an inlet configured to introduce a gas into the gas cell, an outlet configured to remove the gas from the gas cell, and a plurality of mirrors configured to reflect the substantially collimated first beam within the gas cell; and a detector configured to generate a signal in response to the substantially collimated first beam.

An apparatus and an associated method determine the fiber orientation of a moving fibrous web, in particular a paper, cardboard or cellulose web. An illumination device illuminates an area of the fibrous web and a camera records a digital image of the illuminated area of the fibrous web. The illumination device is configured to illuminate the fibrous web for a period of time of 1 μs or less and the camera is configured in such a way that the edge length of a pixel corresponds to no more than 20 μm, in particular no more than 10 μm.

Composition, systems, and methods for the induction of biological endpoints in a cheap contained system. In many embodiments, variation on well numbers on plates and ranging ultraviolet wavelengths produces different and controlled outcomes of the biological endpoint induction. Endpoint induction of this type allows for chemical induction, wherein the system can be turned on and off in short time periods.