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7390669 Simultaneous and rapid determination of multiple component concentrations in a Kraft liquor process stream  
The present invention is a rapid method of determining the concentration of the major components in a chemical stream. The present invention is also a simple, low cost, device of determining the...
7381565 Flow cytometers and detection system of lesser size  
Gas focusing flow cytometers are fabricatable employing simple and inexpensive manufacturing techniques. When such cytometers or conventional cytometers are combined with fiber optical light paths...
7378283 Reaction monitoring of chiral molecules using fourier transform infrared vibrational circular dichroism spectroscopy  
A method and apparatus to monitor the enantiomeric excess of chiral molecules participating in a chemical reaction. The method includes real time monitoring of the chemical reaction by obtaining a...
7372572 Device for photometrically measuring the concentration of a chemical substance in a solution to be measured  
An apparatus for photometric measurement of the concentration of a chemical substance in a solution, wherein a cuvette is provided containing the solution The cuvette is transmissive at least in...
7368294 Method for optical detection of an adjoining of a material component to a sensor material with the aid of biological, chemical or physical interaction and device for carrying out said method (variants)  
Method for detecting biological or chemical components in liquid or gas is based on measuring changes of the sensor layer thickness due to binding reactions. A plate or a gap with two surfaces of a...
7368292 Differential reflection spectroscopy system and method for detecting explosives and other target materials  
A system and method for identifying explosive or other target materials includes the steps of irradiating a first location and a second location spaced apart from the first location from a sample...
7364701 Liquid homogenizing unit and high speed liquid chromatograph equipped with the same  
A liquid homogenizing unit comprising a feed flow channel ( 56 ), a discharge flow channel ( 57 ), a first intermediate flow channel ( 58 ) communicating with the feed flow channel ( 56 ), and a...
7354770 Sensing device and method using photo-induced charge movements  
A device and method which comprises a sensing surface on a membrane, solid surface or electrode, where the sensing surface contains a dye or chromophore chosen in relation to a particular target...
7354727 Method and apparatus for classifying B-lymphocytes  
A B-lymphocyte classifying method includes the steps of (1) preparing a measurement sample by mixing a blood sample with a lysing reagent to lyse erythrocytes and to shrink the B-lymphocytes in the...
7351588 Optical sensor with layered plasmon structure for enhanced detection of chemical groups by SERS  
An optical sensor and method for use with a visible-light laser excitation beam and a Raman spectroscopy detector, for detecting the presence chemical groups in an analyte applied to the sensor are...
7351374 Surface plasmon enhanced illumination apparatus having non-periodic resonance configurations  
An apparatus configured to generate surface plasmon enhanced radiation comprises a metal film having first and second surfaces, and one or more resonance configurations formed in the metal film. An...
7344890 Method for discriminating platelets from red blood cells  
A method for discriminating and quantifying platelets within an analyzed blood sample involves initially diluting the blood sample with a ghosting reagent that causes a change in the index of...
7333204 Method and device for analysing a gas likely to contain particles or suspended aerosols  
The present method uses a spectrophotometric and/or ionisation detection device in which the gas to be analyzed and illuminated by a light source emitting in a range of wavelengths distinct from...
7324203 Method and apparatus for optical detection for multi-phase combustion systems  
A method for in-situ monitoring of an emission product includes transmitting a light, tuning the light to a first wavelength, receiving the light at a second location, varying the light from the...
7318909 Method and apparatus for enhanced evanescent field exposure in an optical fiber resonator for spectroscopic detection and measurement of trace species  
An apparatus for detection and measurement of trace species in a gas or liquid sample. A sensor of a ring down cell formed from an optical fiber is exposed to the sample gas or liquid. A coherent...
7318907 Surface plasmon enhanced illumination system  
Methods and apparatus for producing small, bright nanometric light sources from apertures that are smaller than the wavelength of the emitted light. Light is directed at a surface layer of metal...
7306941 Biochemical measuring chip and measuring apparatus  
A simple and convenient sensor and measuring apparatus utilizing the optical interference effect of an optical thin film capable of measuring the binding between biochemical substances at a high...
7304732 Microelectromechanical resonant photoacoustic cell  
An integrated photoacoustic spectroscopy (PAS) cell is fabricated using microelectromechanical (MEMS) techniques. The multi-layer structure includes an inner layer with a patterned resonant cavity...
7294513 Method and apparatus for characterizing solutions of small particles  
A method and apparatus is described by which means molecules in suspension may be characterized in terms of the size and mass distributions present. As a sample solution is separated by centrifugal...
7288227 Biochip reader with enhanced illumination and bioarray positioning apparatus  
A method of illumination and illumination apparatus are provided in a biochip reader. Illumination is provided by a non-collimated laser source or a light emitting diode (LED). The light is...
7282367 Method for verifying amount of sample solution, method for controlling measurement system and method for measuring concentration of solution in apparatus for measuring optical characteristic  
A verification method of a sample solution amount includes the steps of: detecting at least one of a transmitted light component, a scattered light component and a reflected light component of a...
7276380 Transparent liquid inspection apparatus, transparent liquid inspection method, and transparent liquid application method  
The present invention provides a transparent liquid inspection apparatus capable of identifying a boundary between a transparent liquid applied on a base material which provides a multi-piece...
7276377 Method and apparatus for determining anticoagulant therapy factors  
Methods and apparatus are disclosed for determining a new anticoagulant therapy factor (nATF) for monitoring oral anticoagulant therapy to help prevent excessive bleeding or deleterious blood clots...
7270786 Methods and systems for processing microfluidic samples of particle containing fluids  
The present invention relates to a microfluidic system for processing a cell-containing liquid. The system includes a microfabricated substrate having an enrichment channel to prepare an enriched...
7267797 Nanofabricated photon tunneling based sensor  
A system and method for detecting changes in the refractive index of a fluid in a small test volume. A change in the refractive index can indicate a change in the chemical composition of the fluid....
7264971 Read-head for optical diagnostic device  
A readhead for a photometric diagnostic instrument includes a housing adapted for incorporation within the photometric diagnostic instrument, and an elongated sample table operatively engaged with...
7262856 Microstructured optical device for remote chemical sensing  
A microstructure-based chemical sensor that can be interrogated by a remote observer. The device acts as an electromagnetic wave filter in the optical region of the spectrum, filtering one or more...
7262059 Systems and methods for measuring fluid properties  
A method for measuring properties of a fluid including placing a quantity of fluid in a container; inducing flow in the fluid wherein the flow is substantially streamlined in at least a measuring...
7255835 Single pass attenuated total reflection fourier transform infrared microscopy apparatus and method for identifying protein secondary structure, surface charge and binding affinity  
Apparatus and method for acquiring an infrared spectrum of a sample having or suspected to have an amide I band, an amide II band, an amide III band, an amide A band, an OH stretching region or a...
7247489 Ion-detecting microspheres and methods of use thereof  
This invention provides methods of using ion-detecting microspheres containing an ionphore and a chromoionphore in clinical laboratory instrumentation such as flow cytometry for sample analysis. In...
7236237 Spectroscopic fluid analyzer  
An NIR spectroscopy fluid analyzing system using a series of LED's, each having its own preselected center wavelength, as illumination sources. These wavelengths have overlapping spectral widths,...
7232687 Multiple sorter monitor and control subsystem for flow cytometer  
An optical illumination and monitoring subsystem controls the operation of a flow cytometer having a carrier fluid that flows along a channel coupled to a droplet generator, which controls a point...
7229835 Amine detection method and materials  
A compound linked to a solid support (R) through a divalent linker moiety (X) and which is represented by the following formula: is disclosed. In particular, the...
7226563 Ion-detecting sensors comprising plasticizer-free copolymers  
Plasticizer-free ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers...
7223367 Chemical sensor arrangement  
The present invention relates to a chemical sensor arrangement having an analyte sensitive indicator wherein the analyte sensitive indicator has at least one nanoparticle. The invention further...
7214541 Variable rate particle counter and method of use  
A variable rate particle counter for adjusting the volumetric delivery rate of fluid to a flow cell based upon an initial particle count rate in order to effectively “tune” the final dilution...
7214538 Device and method for the determination of lithium ion concentration in a biological fluid  
The present invention relates to a novel device and method for the detection of lithium ions in a biological fluid. In a preferred embodiment, the present invention provides a novel compound and a...
7214530 Biomolecule diagnostic devices and method for producing biomolecule diagnostic devices  
A biosensor includes a substrate with a layer of receptive material disposed thereon overlying a layer containing a photo-reactive agent. The receptive material is specific for an analyte of...
7214345 Apparatus for analyzing reduced inorganic sulphur  
An apparatus for measuring the reduced inorganic sulfur content of a sample. The apparatus has a reaction chamber ( 12 ) and means ( 14 ) for introducing a reducing agent that can selectively...
7211438 Method and apparatus for predicting the presence of haemostatic dysfunction in a patient sample  
Methods for predicting the presence of haemostatic dysfunction in a patient from a time-dependent measurement profile include performing a time-dependent measurement on an unknown sample and...
7208123 Molecular contamination monitoring system and method  
A flow-through monitor for detecting molecular contamination (MC) within a fluid flow. The monitor has a diffusion chamber having an inlet port and an outlet port, and a structure for supporting a...
7208121 Plasticizer-free-ion-detective sensors  
A plasticizer-free ion detective sensor for detecting a target ion in a sample is provided. The sensor comprises a copolymer of methacrylate monomers with pendant alkyl groups of different length,...
7202091 Optically similar reference samples  
Systems and methods for establishing and/or maintaining the accuracy of a multivariate calibration model designed for quantitative optical spectroscopic measurement of attributes or analytes in...
7201876 Ion-detecting sensors comprising plasticizer-free copolymers  
Ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers having pendent...
7201875 Fixed mounted sorting cuvette with user replaceable nozzle  
A flow cell and flow cytometer in which a nozzle at the end of a flow channel is disposed on a removable substrate held at a registered location on a flow cell. Other elements including...
7198756 Non-invasive measurement of pH  
There is a need within the medical community for non-invasive instruments to measure critical physiologic parameters at the point of care. Such a technique may be applicable to a wide variety of...
7198755 Multichannel fluorosensor  
A multichannel fluorosensor includes an optical module and an electronic module combined in a watertight housing with an underwater connector. The fluorosensor has an integral calibrator for...
7192777 Apparatus and method for process monitoring  
An apparatus is provided for testing fluid samples includes a sensor, which can be light source, directed to a flow cell and a photo sensor for detecting a light beam reflected from the flow cell....
7191037 Method for controlling production process  
A method for controlling production process by performing near-infrared absorptiometric analysis by simple procedures in an accurate manner, in which control of production process step can be...
7189362 Optical waveguide microcantilever with differential output and associated methods of cantilever sensing  
A microcantilever sensing system includes a waveguide cantilever that permits an optical signal to propagate through an endface of the cantilever. The propagated signal is received by a receiver...