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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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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.
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,...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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;...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...