Abstract: GaN/Al0.20Ga0.80N/GaN heterostructures Micro-Hall effect sensors providing simultaneous current and temperature detection over at least a best performance temperature range of ?183° C. and 252° C.

Abstract: Methods of compensating for undesired influences in a pressure transmitter wherein the pressure transmitter comprises a body for housing a low-pressure sensor and a high-pressure sensor each of which is in fluid communication with a port and in further fluid communication with each other through a connector tube containing a fill fluid. Various embodiments of the compensation process use one of the high-pressure and the low-pressure sensor as a common reference, compensating for changes in calibration, such as changes in the effective areas or spring rates of the non-reference sensor.

Abstract: A mountable sensor assembly for mounting on the sheet metal panel of a vehicle. The mountable sensor assembly may include a sensor circuit and a sensor housing assembly. The sensor housing assembly may include a first mounting surface, a second mounting surface, and a connector. The first mounting surface being on first side of the connector such that mounting first mounting surface to the dry side of the sheet metal panel would comprise a dry side mounting of the mountable sensor assembly, and mounting the second mounting surface to the wet side of the sheet metal panel would comprise a wet side mounting of the mountable sensor assembly.

Abstract: The invention relates to a gas leakage search device including a test gas spray device for spraying a test object with a test gas, a vacuum assembly for evacuating the test object, wherein the vacuum assembly has a vacuum pump and a gas detector downstream of the test object for measuring the test gas proportion, and an analysis unit which evaluates the measurement signal of the gas detector. The invention is characterized in that a data communication connection is established between the spray device and the analysis unit; the spray device is designed to detect at least one point in time of the spraying process and to transmit same to the analysis unit, and the analysis unit is designed to output the corresponding measured test gas proportion at the transmitted point in time of the spraying process.

Abstract: A blockage diagnosis device includes a diagnosis unit that performs blockage diagnosis on a vent passage based on a change over time in an internal pressure of the vent passage in association with the operation of a negative pressure pump. A primary determination unit of the diagnosis unit makes a primary determination that the vent passage is blocked, if a first estimation volume V1 is less than a preset threshold volume Vth. A secondary determination unit of the diagnosis unit makes a secondary determination that the vent passage is blocked, if the second estimation volume V2 is less than the threshold volume Vth. If the primary determination indicating that the vent passage is blocked is made in the primary determination unit, and the secondary determination indicating that the vent passage is blocked is made in the secondary determination unit, the diagnosis unit determines that the vent passage is blocked.

Abstract: A system is provided for testing a component. This system includes a support structure, an excitation system and a sensor system. The support structure is configured to support the component. The excitation system includes a plurality of permanent magnets and a plurality of electromagnets. The permanent magnets are arranged in an array and configured for rigid connection to the component. Each of the electromagnets is associated with a respective one of the permanent magnets. The excitation system is configured to respectively control interaction of the electromagnets with the permanent magnets to excite a vibratory response in the component. The sensor system is configured to output data indicative of the vibratory response.

Abstract: The invention relates to a method for the analysis of the compressed-air supply security of a compressed-air system which comprises one or more compressed-air generators (C1, C2) and supplies one or more compressed-air consumers via a compressed-air network (9), characterized in that a time course of the maximum delivery volumetric flow rate MDVF(t) is recorded, estimated or calculated, that a time course of the consumption volumetric flow rate CVF(t) is recorded, estimated or calculated, and that for the analysis of the compressed-air supply security the time course of the maximum delivery volumetric flow rate MDVF(t) and the time course of the consumption volumetric flow rate CVF(t) are automatically offset against each other over an analysis period.

Abstract: An anomalous sound detection training apparatus includes: a first acoustic feature extraction unit that extracts an acoustic feature of normal sound based on training data for normal sound by using an acoustic feature extractor; a normal sound model updating unit that updates a normal sound model by using the acoustic feature extracted; a second acoustic feature extraction unit that extracts an acoustic feature of anomalous sound based on simulated anomalous sound and extracts the acoustic feature of normal sound based on the training data for normal sound by using the acoustic feature extractor; and an acoustic feature extractor updating unit that updates the acoustic feature extractor by using the acoustic feature of anomalous sound and the acoustic feature of normal sound that have been extracted, in which processing by the units is repeatedly performed.

Abstract: A method of fault diagnosis during testing of a turbine unit includes a) obtaining measurement data from turbine sensors and testing sensors, b) calculating at least one parameter value based on measurement data, c) determining a deviation of the measurement data and the at least one parameter value by comparing the measurement data and the at least one parameter value with predetermined reference data, and d) matching the determined deviation to a plurality of predetermined fault signatures in order to detect a fault. The plurality of predetermined fault signatures includes a first set of fault signatures and a second set of fault signatures, the first set of fault signatures corresponding to turbine sensor faults and/or testing sensor faults and assumed fault-free turbine components, the second set of fault signatures corresponding to turbine component faults and assumed fault-free turbine sensors and testing sensors.

Abstract: A road surface condition estimation apparatus may output a detection signal corresponding to a magnitude of a vibration of a tire. The road surface condition estimation apparatus may calculate a level of high frequency component of the detection signal in a contact section. The road surface condition estimation apparatus may transmit a calculation result of the level of high frequency component as road surface condition data each time the tire rotates for a predetermined number of times. The road surface condition estimation apparatus may estimate a condition of road surface based on the road surface condition data. The road surface condition estimation apparatus may stop transmitting the road surface condition data when estimating that the vehicle accelerates or decelerates.

Abstract: A wear inspection apparatus includes a data acquisition unit which is configured to acquire surface shape data including information indicating a shape of a surface of a part wearing as a vehicle travels, and an approximation processing unit which is configured to calculate an approximation line for the acquired surface shape data and calculates a degree of wear of the part from the approximation line and a worn portion included in the surface shape data.

Abstract: A tire deformation calculator includes a processor. The processor (i) detects a contour of a side face of a tire attached to a wheel of a vehicle in a captured image; (ii) calculates load deformation of the contour of the side face, the load corresponding to a weight of the vehicle; (iii) identifies a circular or polygonal shape or pattern on a plane parallel to the contour of the side face; (iv) determines a conversion value for converting the identified shape or pattern in the captured image to a perfect circle or a regular polygon; (v) calculates a predetermined value indicating the load deformation of the tire in the captured image based on the conversion value; and (vi) calculates the load deformation based on the predetermined value.

Abstract: A locomotive simulation device may comprise a portable housing configured to be arranged in a closed position and at least one open position and a simulation system configured to generate locomotive simulation signals. A human-machine interface (HMI) may be accessible in the at least one open position and may be configured to accept at least one user input to the simulation system and present at least one output from the simulation system. At least one interface cable may be accessible in the at least one open position and may be configured to couple the simulation system to at least one external system. The simulation system may be configured to send the locomotive simulation signals to the at least one external system through the at least one interface cable and receive data from the at least one external system through the at least one interface cable.

Abstract: A method of testing a washing machine appliance includes performing a first fill test, performing a second fill test, performing an agitate test, performing a drain test, and performing a spin test. Each of the steps of performing the first fill test, performing the second fill test, performing the agitate test, performing the drain test, and performing the spin test are performed in a continuous process.

Abstract: To provide an observation apparatus, an observation method and an observation program capable of easily understandable output of a relation between a signal waveform representing an actually-observed operation of a machine and an instruction program to the machine. An observation apparatus includes an observation data acquisition unit for acquiring observation data on an operation status of a machine along with time information, an execution status acquisition unit for acquiring execution status data including an execution position and a specific parameter value for an instruction program to the machine, along with time information, and a display unit for displaying the observation data and the execution status data in association with each other in time series.

Abstract: Contamination detection systems, kits, and techniques are described for testing surfaces for the presence of hazardous contaminants, while minimizing user exposure to these contaminants. Even trace amounts of contaminants can be detected. A collection kit provides a swab that is simple to use, easy to hold and grip, allows the user to swab large areas of a surface, and keeps the user's hands away from the surface being tested. The kit also provides open and closed fluid transfer mechanism to transfer the collected fluid to a detection device while minimizing user exposure to hazardous contaminants in the collected fluid. Contamination detection kits can rapidly collect and detect hazardous drugs, including trace amounts of antineoplastic agents, in healthcare settings at the site of contamination.

Abstract: A system and methods for more quickly, accurately, and efficiently collecting, tracking, and transmitting sample collection data and information. Specifically, this involves the generation of printed labels in the field comprising labels with unique identifiers corresponding to specific sample collection data and information. The labels are printed at the location of the sampling and are applied on the outside of sample collection devices and at the location of sample collection. Each unique identifier is associated with a unique record number in the Electronic Chain of Custody (ECOC), corresponding to a specific sample.

Abstract: Provided is a powder collector or the like, which is capable of efficiently performing the work of collecting each powder of a different kind and the like while easily preventing a foreign matter such as another kind of powder from being mixed.

Abstract: A closed and tamper-evident sealed container, including a fluid transport adapter. The adapter provides for sterile fluid communication between a fluid source outside the container and the container interior when adapter is open. The adapter is adjustable to a closed position wherein the fluid communication ceases. An alternative to the adapter utilizes a sampling attachment that fits into tight engagement with the lid which comprises at least one septum. Coupling the sampling attachment to the lid either causes sharps in the attachment to penetrate the at least one septum or to displace the edges of the septum inward to form a fluid communication with the container interior while the lid remains sealed closed. Other variations include a rotatable sampling attachment, a container with a displaceable bottom wall to act as a syringe and a large volume (e.g., 1500 mL) sealed ampoule which also uses a sampling attachment.

Abstract: An access port for a fluid system having a sidewall defining a fluid cavity is provided. A probe receiver, having an inner passage with a valve seat and a chamber adjacent to the valve seat and in fluid communication with the inner passage, is connected to the sidewall of the fluid system. The chamber has an opening in communication with the fluid cavity and a valve member biased to a seated position that moves within the chamber to an unseated position. A probe is connected to the probe receiver and extends through the inner fluid passage of the probe receiver into the chamber. When the probe body is inserted into the probe receiver it moves the valve member to the unseated position and the valve member and a portion of the probe body traverse the opening. When the probe body is removed, the valve member returns to the seated position.

Abstract: An improved apparatus and method for sampling of solids with flexibility to sampling weight and granular size comprises, in one implementation, a sample holder, a grinding unit, a linking channel, a structural support unit and a control unit. The linking channel is arranged to connect the sample holder to the grinding unit. The grinding unit includes a grinding container and a grinding rod with a blade at a bottom end, and is configured to automatically grind a solid specimen. The structural support unit is configured to provide system stability and to protect the control unit from outside. The control unit includes a switch, a regulating module, an actuator motor, a rotational plate, a lever beam and an electronic board, and is configured to regulate automatic weighing and grinding of the solid specimen.

Abstract: A smear staining machine and a smearing control method and device thereof. The viscosity of the test sample is used for guiding the configuration of at least on smearing parameter. Since the viscosity of the test sample presents multiple influences of many effecting parameters, it is more suitable for presenting the characteristics of the test sample. Therefore, better smearing effect could be acquired by referring the viscosity of the test sample to get the smearing parameter.

Abstract: Systems and methods for automated laser microdissection are disclosed including automatic slide detection, position detection of cutting and capture lasers, focus optimization for cutting and capture lasers, energy and duration optimization for cutting and capture lasers, inspection and second phase capture and/or ablation in a quality control station and tracking information for linking substrate carrier or output microdissected regions with input sample or slide.

Abstract: A device for preparing a glass slide specimen of cells has: a filter that has recesses, which capture target cells that are at least one of circulating tumor cells within blood or rare tumor cells within a body fluid, and pores that are formed in the recesses and that pass non-target cells therethrough; a glass slide that is superposed onto a surface of the filter, at a side at which the target cells are captured, and onto which the target cells are transferred; a cover member that is placed on a surface of the filter at a side opposite from the glass slide, and that seals in a buffer solution for immersing the target cells at interiors of the recesses; and a container into which the glass slide is immersed and in which is stored a preservation liquid that preserves the target cells that have been transferred onto the glass slide.

Abstract: The systems and methods disclosed herein permit automated preparation of biological specimens for examination. The disclosed systems and methods provide fast, efficient, and highly uniform specimen processing using minimal quantities of fluids. The methods include at least a fixing phase for fixing a biological specimen to a substrate such as a microscope slide, a staining phase for staining the specimen, and a rinsing phase for rinsing the specimen. One or more of the fixing, staining, and rinsing phases include one or more agitation cycles for distributing reagents evenly and uniformly across the specimen. The systems can be implemented as a standalone device or as a component in a larger system for preparing and examining biological specimens.

Abstract: A soil analysis device is configured to create a soil sample solution. The device includes a reservoir configured to store an extractant, a mixing chamber coupled to the reservoir and configured to receive extractant from the reservoir and to receive a raw soil sample, and a control system. The control system is configured to determine an amount of extractant needed to produce, from the raw soil sample, a soil sample solution with a particular soil-to-extractant ratio and configured to cause the determined amount of extractant to be transferred from the reservoir to the mixing chamber.

Abstract: Ice test devices include an ice adhesion test device. The ice adhesion test device comprises an ice adhesion test target in the form of a well in which, in use, a layer of accreted ice is built up. The target comprises a sample plate at the bottom of the well and an ice-engagement element positioned circumferentially around the sample plate and providing a side wall of the well, and wherein the sample plate is rotatable relative to the ice-engagement element. The ice adhesion test device also comprises torque means for applying a rotational torque between the sample plate and the ice-engagement element. The ice adhesion test device also comprises transducer means for, at least at a point at which the layer of accreted ice separates from the sample plate, measuring the rotational torque and/or the stress on the ice.

Abstract: Provided is a flow analysis method capable of predicting a flow state of a composite resin material by taking into account a change in filler dispersion degree of the composite resin material. In a flow analysis method for a composite resin material having a filler and a resin, in a certain process of identifying a region in which the composite resin material flows and analyzing a flow, an exothermic reaction speed of the composite resin material in the region is computed using a filler dispersion degree Vwf in the composite resin material, a temperature and the filler dispersion degree Vwf of the composite resin material in the region is computed using the computed exothermic reaction speed, and an exothermic reaction speed in a process subsequent to a process to is computed using the computed filler dispersion degree Vwf.

Abstract: A vibratory sensor (5) includes a vibratory element (104), a receiver circuit (134) that receives a vibration signal from the vibratory element (104), and a drive circuit (138) that generates a drive signal. The drive circuit (138) includes a closed-loop drive (143) and an open-loop drive (147). The meter electronics (20) vibrates the vibratory element (104) commencing at a commanded first frequency and in an open-loop manner to achieve a first target phase difference ?1 for a fluid being characterized and determines a corresponding first frequency point ?1, vibrates the vibratory element (104) commencing at a commanded second frequency and in the open-loop manner to achieve a second target phase difference ?2 and determines a corresponding second frequency point ?2, and determines a viscosity of the fluid being characterized using the first frequency point ?1 and the second frequency point ?2.

Abstract: A method for determining the diffusion radius of in-situ injection and remediation of contaminated soil and groundwater. According to the triangle method, the hole spacing is perpendicular to the groundwater flow direction, the row spacing is along the groundwater flow direction, and the flow diffusion in the groundwater during the effective time of the remediation agent reaction is considered. Under high pressure rotary injection, the remediation agent and a certain proportion of bromide ions are simultaneously injected into the aquifer as a tracer. The diffusion of the agent is determined by observing the phenomenon of slurry-returning and slurry-channeling of adjacent injection points. After the completion of the injection, the groundwater is quickly sampled in fixed depth, the tracer concentration is quickly detected on site, and the concentration of bromide ions in the groundwater is compared with the background value. Comprehensive determination determines the optimal diffusion radius.

Abstract: A device for measuring a tension of a sheet-like tissue containing cardiomyocytes includes a first gel adapter holder having a frame member and a first gel holding member protruding toward a part of an inside face of the frame member for fixing one end of a film-like gel; and a second gel adapter holder having a second gel holding member for fixing the other end of the gel and a connection member connected to the second gel holding member. A kit includes the tension measuring device; a substrate having a pair of gel molding protruding members fitted along the inside face of the frame member; and a gel forming lid body having a face parallel to a gel contact face of the substrate so as to form an upper face of the gel. Further, a system for measuring the tension includes the tension measuring device.

Abstract: The present disclosure describes a compact and lightweight, radial-flow DMA designed to operate at low aerosol and sheath flowrates (on the order of 0.3 L/min aerosol flow, and 0.6-1.2 L/min sheath flow) and so as to classify aerosols including particles having sizes in the 10-500 nm range. Thus, the DMA is capable of operating at relatively low resolution (RND=2-4) to minimize both instrument volume and pumping/power requirements, while enabling size distribution measurement with the precision required for desired applications.

Abstract: The present disclosure provides a method of determining an optimal filter life cycle between replacements of a filter in a ventilation system. The method comprising performing the following steps in a processing device: receiving at least one filter hardware value, receiving at least one filter use value, receiving a plurality of measured data points, and determining the optimal filter life cycle by minimizing a total filter resource consumption composed of a first factor, a second factor, providing a plurality of predicted data points, grouping successive measured data points into windows, and assigning the identified maximum pressure drop as a maximum pressure drop for all measured data points of that window.

Abstract: The inventors have improved mass cytometer to facilitate its use for the analysis of particles.

Abstract: An optical analysis apparatus, including: a sample delivery system from which a liquid sample may be delivered in operation; a flow cell defining a channel through which, in operation, the delivered liquid sample may flow at a controllable rate, the channel including an optical analysis region; an illumination source focused on a portion of the optical analysis region that, in operation, illuminates a single particle at a time in a stream of the sample wider than the single particle; a detector that, in operation, detects light resulting from the illumination of the sample and outputting a signal representative of the detected light; and an analysis system receiving the representative signal.

Abstract: A device and a method for observing an object by imaging, or by lensless imaging. The object is retained by a holder defining an object plane inserted between a light source and an image sensor, with no enlargement optics being placed between the object and the image sensor. An optical system is arranged between the light source and the holder and is configured to form a convergent incident wave from a light wave emitted by the light source, and for forming a secondary light source, conjugated with the light source, positioned in a half-space defined by the object plane and including the image sensor, such that the secondary source is closer to the image sensor than to the holder. This results in an image with a transversal enlargement factor having an absolute value of less than 1.

Abstract: Reusable network of spatially-multiplexed microfliuidic channels each including an inlet, an outlet, and a cuvette in-between. Individual channels may operationally share a main or common output channel defining the network output and optionally leading to a disposable storage volume. Alternatively, multiple channels are structured to individually lead to the storage volume. An individual cuvette is dimensioned to substantially prevent the formation of air-bubbles during the fluid sample flow through the cuvette and, therefore, to be fully filled and fully emptied. The overall channel network is configured to spatially lock the fluidic sample by pressing such sample with a second fluid against a closed to substantially immobilize it to prevent drifting due to the change in ambient conditions during the measurement. Thereafter, the fluidic sample is flushed through the now-opened valve with continually-applied pressure of the second fluid.

Abstract: A determination method includes: using a microchip, including a capillary flow path and a sample reservoir connected to the capillary flow path at an upstream side, to fill the capillary flow path with a first solution for electrophoresis, and supply the sample reservoir with a second solution containing an analyte; applying a voltage between the sample reservoir supplied with the second solution and the inside of the capillary flow path filled with the first solution, to move a component contained in the second solution in the capillary flow path and separate the component in the capillary flow path; optically detecting a value related to a component difference between the first solution and the second solution, other than a value related to the analyte, for the separated component; and determining whether the optical detection is favorable or poor by comparing the optically detected value with a predetermined threshold value.

Abstract: A testing device for body fluid analysis includes: a sheet unit having a sheet of which a first surface receives body fluid of a user to be deposited thereon; a contact unit having a magnifying lens group for magnifying the body fluid deposited on the sheet, the contact unit being provided with a first side at which the magnifying lens group is placed to face the first surface of the sheet and being provided with a second side at which a guide adhering to a photographing means obtaining an image of the body fluid magnified by the magnifying lens group or coming into contact with around an eye of the user is placed; and a light source unit placed to face a second surface of the sheet of the sheet unit in a direction facing the contact unit with the sheet unit in between.

Abstract: An apparatus configured to detect a substance, and method of operating and forming the same. In one embodiment, the apparatus includes a tunable resonator including a first Bragg reflector with a first optical stop band separated by a cavity from a second Bragg reflector with a second optical stop band. The first optical stop band is offset in wavelength from the second optical stop band. The tunable resonator is configured to be illuminated by a light source and produce a first spectral optical response from a substance within the cavity. The apparatus also includes a detector positioned proximate the tunable resonator configured to provide a first photonic absorption signal representing the first spectral optical response.

Abstract: A general-purpose optical measuring device enables at least measurement of a nucleic acid amplification amount; detection or quantitative measurement by a nucleic acid detection method, an immunoassay method, an enzyme method; or measurement of concentration or absorbance, and a method of the same. There are included a photometric content designation unit, an irradiation reception pair including an emission end that can emit measurement light, and a reception end that can receive light from the emission end, a photometric container that can store measurement target chemical substance solution, and includes a bottom portion having a formed translucent region, a nozzle communicated with a suction discharge mechanism of gas, a flow tube, an optical measurement unit, and a control unit configured to suck and hold the chemical substance solution into the flow tube, or store the chemical substance solution into the photometric container.

Abstract: System for performing chemical spectroscopy on samples from the scale of nanometers to millimeters or more with a multifunctional platform combining analytical and imaging techniques including dual beam photo-thermal spectroscopy with confocal microscopy, Raman spectroscopy, fluorescence detection, various vacuum analytical techniques and/or mass spectrometry. In embodiments described herein, the light beams of a dual-beam system are used for heating and sensing.

Abstract: A measuring device for sensing different gases and gas concentrations, includes an infrared radiation source, a measurement channel, which has an optical path and a gas interaction path, and radiation detectors arranged along the measurement channel. The optical path has first band-pass interference filter arranged at a first deflection point and a first radiation detector is arranged after the band-pass interference filter. A method that uses the measuring device, includes: measurement radiation is introduced into measurement channel containing the gas to be measured, the measurement radiation hits the first band-pass interference filter, wherein only radiation of a wavelength defined by the first band-pass interference filter hits the first radiation detector radiation reflected at the band-pass interference filter is forwarded along the optical path in the measurement channel to a second radiation detector, and the gas concentrations measured by the radiation detectors are evaluated.

Abstract: The invention relates to a radiation source which comprises: a support (400) provided with a wall (410); a membrane (200) comprising two faces, the membrane (200) being adapted to emit an infrared radiation according to one and the other of its faces, and maintained in suspension with respect to the support (400), the rear face (220) in line with and at a distance D from the wall (410); electrostatic actuating means (300) adapted to vary the distance D; the membrane (200) and the means (300) being laid out such that, for each wavelength, the infrared radiation emitted by the rear face (220) is reflected by the wall (410), passes through the membrane (200) and interferes with the infrared radiation emitted by the front face (210).

Abstract: Disclosed is a terahertz, reflection imaging system using a rotating polyhedral mirror and a telecentric f-theta lens. The terahertz reflection imaging system may include a light source configured to output a terahertz, beam, a rotating polyhedral mirror of which a mirror is combined with each of polyhedral faces, and configured to reflect the terahertz beam transmitted from the light source in a direction in which a specimen is disposed, a telecentric f-theta lens configured to transmit the terahertz beam reflected from the rotating polyhedral mirror to the specimen and correct a chief ray of the terahertz beam reflected from the rotating polyhedral mirror to be parallel to an optical axis of the telecentric f-theta lens, and a detector configured to detect a terahertz beam reflected from the specimen.

Abstract: A terahertz wave is spectrally dispersed into two waves which are caused to pass through a sample liquid film 101 and a reference liquid film 102 and are then collected, and the terahertz waves in an interference state are detected by a terahertz wave detecting semiconductor 15. Consequently, only spectroscopic information related to a distinctive characteristic of the sample liquid film 101 is detected. In addition, a predetermined optical path length difference is provided between a path where the terahertz wave is transmitted through the sample liquid film 101 and a path where the terahertz wave is transmitted through the reference liquid film 102 by an optical delaying unit 17.

Abstract: Disclosed is a micro-lens imaging multi-well test plate which comprises: a transparent plate of 3-5 mm in thickness with one or more trapezoidal wells locating in the middle of the plate, each of the wells is of an underside of 2-4 mm in diameter, 0.2-0.5 mm in thickness, a trapezoidal dip angle of 60-75°, and has a micro-lens which upper half is hemispherical, lower half is a cylinder, with radius of 0.1˜1.0 mm, height of 0.2˜2.5 mm, molded on the bottom of the well. The micro-lens imaging multi-well test plate is made of homogeneous optical transparent materials. When the trapezoidal concave wells of the test plate are filled with fluid to immerse the micro-lens, under parallel light illumination, due to the refraction effect of light, the image of micro-lens is a round one with an outer edge that is a black ring.

Abstract: An illumination system includes a measurement stage on which a measurement target is located, a light-providing part having illumination sections providing multi-directional incident lights to the measurement target, a light-receiving part receiving single-directional reflection lights reflected by the measurement target according to the multi-directional incident lights, and a processing part that performs acquiring a first distribution of intensities the single-directional reflection lights with respect to the multi-directional incident lights, acquiring, from the first distribution, a second distribution of intensities of multi-directional reflections lights with respect to a single-directional incident light, and determining material of the measurement target based on parameters of the second distribution. A method of recognizing material using the illumination system and a computer readable non-transitory recording medium recording a program embodying the method are provided.

Abstract: In a first aspect, a system for analysing a fluid sample is provided, comprises: a container configured to receive the fluid sample; a first light source optically coupled to the container and configured to project a first light having a first wavelength; a second light source optically coupled to the container and configured to project a second light having a second wavelength different from the first wavelength; one or more photo-sensors optically coupled to the container and configured to analyse the fluid sample in response to a first scattered light generated in response to projecting the fluid sample with the first light source and a second scattered light generated in response to projecting the fluid sample with the second light source. In a preferred embodiment, the nutritious compositions (such as the concentration of fats and protein) of milk samples are identified based on the scattering of the first and second light source by the milk sample.

Abstract: Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a centrifuge assembly having a light-transmissive portion, a light reflector, and a fluid processing region therebetween. An optical sensor system emits a scanning light beam along a path toward the light-transmissive portion, which transmits at least a portion of the scanning light beam to the fluid processing region and the light reflector. The light reflector reflects at least a portion of the scanning light beam toward the optical sensor system along a path substantially coaxial to the path of the scanning light beam from the optical sensor system toward the light-transmissive portion of the centrifuge assembly. The scanning light beam may be a white light beam or narrow spectrum beam. The reflected beam may be directed through the optical sensor system via optical fibers.