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Class 422/82.09 - Absorbance or transmittance


Subclass of Class 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
Definition: Apparatus having means for measuring the absorbance or transmittance
No. of patents: 600
Last issue date: 04/03/2012


1                      
NumberTitleIssue Date
8147759Automated protein analyzer
A direct rapid automated protein analyzer is disclosed. The protein analyzer includes means for reducing protein samples to small particles, a reaction vessel in material transfer communication with the homogenizer, a reservoir for binding dye composition in fluid c...
04/03/2012
7901631Unit for measuring absorbance
A unit for measurement of absorbance using a microchip has a microchip with a continuous cavity, a sample chamber, a reagent chamber, a reagent mixing chamber and a chamber for measuring absorbance, which is arranged in a straight line in the area of the continuous ...
03/08/2011
7820106Sensor platform, apparatus incorporating the platform and process using the platform
A sensor platform for use in sample analysis comprises a substrate (30) of refractive index (n1) and a thin, optically transparent layer (32) of refractive index (n2) on the substrate, (n2) is greater than (n1
10/26/2010
7754153Optical biosensor for biomolecular interaction analysis
Biomolecular and other interactions are analyzed with a simpler construction. A biotic sample is fixed to noble metal nanoparticles, and light is irradiated from a light source to the noble metal nanoparticles through an optical fiber. Light obtained after reflectio...
07/13/2010
7651663Appliance using a water hardness sensor system and method of operating the same
An appliance using water including an incoming water valve is provided. The appliance includes a sensor disposed in-line to an incoming flow of water received from the incoming water valve and is configured to sense a degree of hardness in the incoming flow of water...
01/26/2010
7438854Biomolecule substrate, and test and diagnosis methods and apparatuses using the same
A test apparatus is for testing a DNA substrate on which a plurality of DNA fragments for testing are arranged, wherein absolute precision is not required. A substrate is provided on which a plurality of biomolecule spots containing a group of biomolecules (e.g., DN...
10/21/2008
7438855Apparatus for measuring glucose concentration
An apparatus for measuring a glucose concentration is noninvasive, accurate, and compact. The apparatus includes a detection unit (10) and a principal component analysis (PCA) unit (20). The detection unit includes a light source (11) to emit mi...
10/21/2008
7427501System and method for optically monitoring the concentration of a gas, or the pressure, in a sample vial to detect sample growth
A system and method employing infrared laser spectrography and dual wavelength modulation to monitor the concentration of a gas, such as oxygen or carbon dioxide, in the sample vial, or to monitor the pressure in the sample vial, to thus detect for microorganism gro...
09/23/2008
7425453Integrated circuit porphyrin-based optical Fabry-Perot chemical sensor
A Fabry-Perot cavity has a pair of partially transmissive, partially reflective, surfaces. A first of the surfaces is flexibly suspended adjacent and parallel to a second of the surfaces. A gap exists between the surfaces. A variable electrostatic potential permits ...
09/16/2008
7419836Device and method for observing reactions in samples
The present invention relates to a device (1) for observing reactions in samples (2), to which a reagent (3) is added, and/or a method which is based on the use of this device. The device includes at least one first optical device (4) for...
09/02/2008
7419636Vapor sensing instruments for ultra trace chemical detection
A detector for detecting vapors emitted from analytes includes a housing, a pump and a sensing assembly. The housing has an inlet, an outlet and an enclosed sensing volume therebetween. The pump communicates with the housing for moving a carrier sequentially through...
09/02/2008
7416701Calibrator for 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 periodical sensitivity validation of the fluorosensor. The optical module h...
08/26/2008
7404929Spectroscopic diagnostic methods and system based on scattering of polarized light
The present invention provides systems and methods for the determination of the physical characteristics of a structured superficial layer of material using light scattering spectroscopy. The light scattering spectroscopy system comprises optical probes that can be ...
07/29/2008
7402805Device for the in-situ measurement of acoustically stimulated bioluminescence
A device and method of use for measurement of in-situ bioluminescence generally comprising an acoustical pulse generator, a detector chamber, a lens assembly and a photomultiplier tube. The generator comprises transducers which can generate acoustical energy in the ...
07/22/2008
7403292Fluid analysis element and fluid analysis apparatus
A fluid analysis element includes: a semi transmissive/semi reflective first reflector; a transmissive apertured member, having a plurality of apertures, with diameters sufficiently smaller than the wavelength of measuring light, formed therein for holding a fluid s...
07/22/2008
7399445Chemical sensor
A sensor device is formed from a metal film having a plurality of openings, a sensor material positioned within each of the openings, a light source that emits light having a first wavelength, and a light detector that detects light emitted from the light source and...
07/15/2008
7399446Apparatus and process for locating and for measuring variations in temperature and/or in degree of fouling over the internal surface of equipment
The present invention relates to an apparatus and a process for locating and for measuring variations in temperature and/or in degree of fouling over the internal suface of equipment. ...
07/15/2008
7393692SERS method for rapid pharmacokinetic analysis of drugs in saliva
The method and apparatus rapidly separate drugs and their metabolites from saliva and, in a continuous sequence of steps, rapidly detect, identify and quantify them through surface-enhanced Raman spectroscopy. ...
07/01/2008
7393690Systems 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 region of the container by constricting flow, and wherein the fluid is...
07/01/2008
7393691SERS method and apparatus for rapid extraction and analysis of drugs in saliva
The method and apparatus rapidly separate drugs and their metabolites from saliva and, in a continuous sequence of steps, rapidly detect, identify and quantify them through surface-enhanced Raman spectroscopy. ...
07/01/2008
7390669Simultaneous 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 in-situ concentration of the major components in a chemical stream. In ...
06/24/2008
7381565Flow 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 and laser diode and semiconductor photodetectors, light weight and ha...
06/03/2008
7378283Reaction 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 VCD spectra and an IR spectra of the chemical compounds in the reacti...
05/27/2008
7372572Device 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 predetermined regions for electromagnetic radiation, wherein a transmit...
05/13/2008
7368292Differential 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 suspected of including explosives with ultraviolet, visible or infrare...
05/06/2008
7368294Method 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 solid optical material is used as the sensor layer. The surfaces are...
05/06/2008
7364701Liquid 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 second intermediate flow channel (55) commun...
04/29/2008
7354770Sensing 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 substance to be detected and quantified. The dye or chromophore is of a...
04/08/2008
7354727Method 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 blood sample, (2) letting the measurement sample flow through a flow...
04/08/2008
7351374Surface 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 exemplary resonance configuration includes an aperture extending bet...
04/01/2008
7351588Optical 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 disclosed. The sensor includes a substrate, a plasmon resonance mirr...
04/01/2008
7349080Label-independent detection of unpurified analytes
The present invention features use of evanescent field sensing to detect or evaluate unpurified, unlabeled analytes in raw samples. Capture molecules capable of binding to an analyte of interest can be immobilized to a sensing surface of an evanescent field sensor. ...
03/25/2008
7344890Method 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 refraction of the red blood cells. Owing to the change in the index of ref...
03/18/2008
7333204Method 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 the one used for spectrophotometry so as to carry out a nephelometric a...
02/19/2008
7333938Apparatus for supporting injection mixing work
An apparatus for supporting injection mixing work comprises a memory for storing data for supporting injection mixing work, a display for displaying the data stored in the memory and a controller for controlling the display. The memory has a patient predictability d...
02/19/2008
7327454Method and apparatus for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light...
02/05/2008
7324203Method 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 first wavelength to a second wavelength during a first period, measurin...
01/29/2008
7318907Surface 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 onto a light barrier structure that includes one or more apertures each...
01/15/2008
7318909Method 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 source emits radiation into the optical fiber loop, which in turn is r...
01/15/2008
7317519Swept-angle SPR measurement system
A swept-angle SPR measurement system deflects an optical beam over a range of deflection angles according to a control signal and maps the deflected beam to a target within a range of incidence angles that corresponds to the range of deflection angles. ...
01/08/2008
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