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7419636 |
Vapor 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...
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7416701 |
Calibrator 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...
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7416703 |
Polymer based lanthanide luminescent sensors for the detection of organophosphorus compounds
A device for measuring and detecting the organophosphonis compounds, such as a pesticides or a nerve agents is provided. The devices function by selectively binding an organophosphorous compound to...
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7416891 |
Reagent and method for classifying leucocytes
A reagent for classifying leucocytes, including: a) at least one of surfactant selected from a cationic surfactant, an amphoteric surfactant, and the combination thereof; b) an organic compound...
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7416899 |
Method and apparatus for measuring trace ingredients in water
A method and an apparatus are provided for measuring trace ingredients in water, which make it possible to perform detection and quantitative determination of silica, phosphorus or arsenic in a...
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7416850 |
Cytochrome c and leucine-rich alpha-2-glycoprotein-1 assays, methods and antibodies
The present invention relates generally to assays and methods involving Cytochrome c (Cyt c) and leucine-rich alpha-2-glycoprotein-1 (LRG), and related antibodies. In an embodiment, the invention...
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7413893 |
Methods, apparatus and compositions for improved measurements with optical biosensors
The invention provides an apparatus for interrogating an optical biosensor. The apparatus includes (a) locating means for positioning one or more optical biosensors; (b) calibration means for...
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7413905 |
Reagents and methods for classifying leukocytes
The present invention relates to a reagent for classifying leukocytes including (a) at least one surfactant capable of lysing erythrocytes and partly damaging the cell membrane of leukocytes, (b)...
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7413911 |
Method for measuring reaction rate coefficient by surface plasmon resonance analysis
An object of the present invention is to provide a method for measuring a rate coefficient by surface plasmon resonance analysis with excellent accuracy, reliability, and cost performance that can...
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7410794 |
Device based on partially oxidized porous silicon and method for its production
Device having a flat macroporous support material made of silicon and having surfaces, a plurality of pores each having a diameter in a range of from 500 nm to 100 μm distributed over at least one...
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7407815 |
Liquid crystal cassette
A functional cassette for the detection of ligands comprises a first inner housing, a second middle housing and a third outer housing and each housing is at least partially rotatable relative to an...
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7407796 |
Interrogation of changes in the contents of a sealed container
A device and method allowing evaluation of the contents of a sealed primary container by means of an integral sensor which is separated from the contents of the sealed primary container yet...
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7407809 |
Method for determining asphaltenes contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics
A method for determining contamination in marine diesel lubricating oils. The method has been found to have particular utility in estimating asphaltenes contamination in marine diesel lubricating...
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7407817 |
Surface plasmon resonance sensors and method for detecting samples using the same
Disclosed is an optical sensing device including a source unit providing a beam of light with continuously modulated phase retardation between p- and s-polarization components of the light by...
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7405054 |
Signal amplification method for surface plasmon resonance-based chemical detection
The present invention provides methods and compositions for amplifying the detection signal in surface plasmon resonance (SPR)-based flow systems. The signal amplification methods comprise the use...
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7405082 |
Methods and devices for measuring reticulocytes
Methods and devices are described for monitoring a therapeutic effect in a red blood cell-related disease by detecting the size of a reticulocyte using a full-automatic blood cell counting device.
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7402441 |
Method of detecting an analyte in a fluid
A method for the detection of an analyte in a fluid, comprising contacting the fluid with a holographic element comprising a medium and a hologram disposed throughout the volume of the medium,...
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7399446 |
Apparatus 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.
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7399445 |
Chemical 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...
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7396676 |
Evanescent wave sensor with attached ligand
The invention in particular embodiments provides an evanescent wave sensor which includes a ligand bound to a sensor substrate via a NCYX linker moiety, as defined herein. Methods of making the...
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7396684 |
Method for quantitatively and/or qualitatively detecting layer thicknesses, a microreaction vessel and titre plate
The invention relates to a method for quantitatively and/or qualitatively detecting layer thicknesses of biological or chemical molecules by means of ellipsometric measurements. Said molecules are...
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7396675 |
Kit and method for determining a plurality of analytes
The invention is related to different embodiments of a kit for the simultaneous qualitative and/or quantitative determination of a multitude of analytes comprising
a sensor platform...
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7393696 |
Bovine pregnancy test
This invention provides bovine pregnancy test methods and devices. The test is also suitable for other ruminant and/or ungulate animals. Antigens from Group A (early pregnancy antigens), and/or...
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7393690 |
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...
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7390662 |
Method and apparatus for performing platelet measurement
The present invention relates to a hematology instrument system that discriminates platelets from red blood cells, debris and other particles within a blood sample. The instrument system uses an...
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7390664 |
Method and apparatus for high throughput catalysts screening and optimization
The present invention relates to an apparatus and a process for the high-throughput, quick screening, optimization, regeneration, reduction and activation of catalysts. More specifically, the...
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7390677 |
Immunoassay and immunoassay apparatus
An immunoassay comprises the steps of: (a) mixing a whole blood sample with sensitized insoluble carrier particles smaller than erythrocytes to cause an immune agglutination reaction; (b)...
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7390626 |
Methods and kit for diagnosing tick borne illnesses
ELISA, Western Blot, and a peptide-based ELISA were applied to clinical specimens from patients with clinical symptoms of tick borne diseases, including Lyme disease. Peptides from different...
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7390674 |
Lateral flow devices using reactive chemistry
There is provided a lateral flow assay device for detecting the presence or quantity of an analyte residing in a test sample where the lateral flow assay device has a porous membrane in...
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7387898 |
Apparatus and method for conducting assays
A multi-well assay plate structure ( 54 ) and assay apparatus and a method for performing chemical biochemical assays is described. The multi-well assay plate structure ( 54 ) defines a relatively...
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7387880 |
Method for monitoring resting and activated platelets in unfixed blood samples
The amount of platelet surface proteins in a sample may be measured by collecting a sample containing platelets into a collection tube containing a platelet stabilizing composition, labeling the...
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7387889 |
Measurement of concentrations and binding energetics
Free-standing microfluidic channels are used to both transport and analyze molecules of interest. In a biochemical context, such molecules may be polypeptides, nucleic acids, or other biomolecules....
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7387899 |
Saliva sample collection system
Test kit whereby the sponge portion of kit is used to swab saliva. The saliva is then extracted from sponge by either squeezing it out or through the use of a centrifuge. The sponge portion of the...
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7384797 |
Resonant optical cavities for high-sensitivity high-throughput biological sensors and methods
Biosensors including resonant optical cavities. The resonant optical cavities are shaped so as to generate whispering gallery modes, which increase the quality factors of the cavities and...
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7384791 |
Method of analyzing blood
A method of analyzing blood includes delivering a blood sample to a test device, applying a spatially varying electric field to the blood sample to provide a depleted cell concentration in a...
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7381564 |
Method of calibrating the zero point of an apparatus used to determine a quantity of silica using a colorimetric method
A method of calibrating the zero point of an apparatus which is used to determine the quantity of silica contained in a silica solution sample to be analysed, using a colorometric method. The...
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7381572 |
Reagents and procedures for multi-label high-specificity labeling
A detectable complex and methods for use thereof are provided herein. The detectable complex includes: at least one target material; a first peptide tag bound to the at least one target material;...
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7381571 |
Device and method for analyte detection
The invention is directed to a method and device for simultaneously testing a sample for the presence, absence, and/or amounts of one or more of a plurality of selected analytes. The invention...
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7381570 |
Device and method for multiple analyte detection
The invention is directed to a method and device for simultaneously testing a sample for the presence, absence, and/or amounts of one or more of a plurality of selected analytes. The invention...
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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...
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7374948 |
Methods and apparatus for detection of molecular chirality
The disclosure provides methods for the determination of the enantiomeric excess of chiral compounds. The methods involve doping a chiral analyte into an achiral liquid crystal host to form a...
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7371538 |
Microluminometer chip and method to measure bioluminescence
An integrated microluminometer includes an integrated circuit chip having at least one n-well/p-substrate junction photodetector for converting light received into a photocurrent, and a detector on...
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7371562 |
Guided mode resonant filter biosensor using a linear grating surface structure
Methods and compositions are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also...
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7364918 |
Colorimetric sensors constructed of diacetylene materials
Colorimetric sensors comprising a receptor incorporated within polydiacetylene assemblies to form a transducer capable of indicating a color change when contacted with an analyte are disclosed....
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7361514 |
System and method for gas discharge spectroscopy
A system for identifying gases, the system having a plasma generator for generating a plasma using the gas to be identified and an array of detectors for detecting light emitted from the plasma. By...
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7361313 |
Methods for uniform metal impregnation into a nanoporous material
The methods, systems 400 and apparatus disclosed herein concern metal 150 impregnated porous substrates 110, 210. Certain embodiments of the invention concern methods for producing...
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7358403 |
Chiral sensor
An optically active compound having an unsaturated bond at an optically active binding site, wherein the unsaturated bond and a fluorescent substituent or a substituent capable of imparting...
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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...
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7354771 |
Method of determining absolute configuration of chiral compound
The absolute configuration of a chiral compound is determined by (i) coordinating the chiral compound to a metalloporphyrin having a carbon chain-crosslinked porphyrin dimer structure in which one...
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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...
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