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7632686 High sensitivity quantitation of peptides by mass spectrometry  
The instant invention provides an economical flow-through method for determining amount of target proteins in a sample. An antibody preparation (whether polyclonal or monoclonal, or any equivalent...
7615382 Magnetic sifter  
The present invention provides a magnetic sifter that is small in scale, enables three-dimensional flow in a direction normal to the substrate, allows relatively higher capture rates and higher...
7604946 Methods for the assay of troponin I and T and complexes of troponin I and T and selection of antibodies for use in immunoassays  
Assay systems and specialized antibodies for the detection and quantitation of troponin I and troponin T in body fluids as an indicator of myocardial infarction. Since troponin I and T exist in...
7592187 Method of calibrating ligand specificity  
A method to determine specificity of ligand binding includes comparing a solid phase carrier first extract obtained by pre-treating a sample with a ligand-immobilized solid phase carrier and a...
7592186 Methods to measure immunosuppressive tacrolimus, sirolimus, and cyclosporin A complexes in a blood sample  
The present invention provides methods, diagnostic assays, and diagnostic kits based on said methods, to determine levels of immunosuppressive complexes containing immunosuppressive drugs...
7569399 Multiplex flow assays preferably with magnetic particles as solid phase  
Heterogeneous assays for different analytes in a single biological sample are performed simultaneously in a multiplexed assay that combines flow cytometry with the use of magnetic particles as the...
7560243 White blood cell functional assay  
A method of rapidly assaying nucleotide receptor P2X 7 pore activity in white blood cells contained within a blood sample. A method according to the invention includes the steps of: (a) labeling...
7560289 Methods of quantitatively measuring biomolecules  
The present invention is directed to methods for quantitatively measuring biomolecules by using magnetic nanoparticles. Through the use of the magnetic nanoparticles and the bioprobes coated to the...
7556928 Method of screening a population of cells  
The invention provides methods of analyzing a secreted protein from a cell encapsulated in a microdrop. The microdrop is formulated with biotinylated matrix molecules at a reduced ratio of biotin...
7537938 Biomarker detection in circulating cells  
A method is provided for detecting biomarkers in rare circulating cells by forming an enriched population of cells immunomagnetically followed by biomarker detection using binding compounds having...
7537907 Products and methods for single parameter and multiparameter phenotyping of cells  
A method of single parameter and multiparameter characterizing of cells, particularly immunophenotyping of cells, is provided. The method preferably uses antibody coated microspheres which are...
7527978 Flow cytometry based micronucleus assays and kits  
The invention is a method for analyzing immature reticulocytes for the presence of micronuclei. The method includes reticulocyte enrichment, fluorescent labeling, micronuclei staining, and analysis...
7524641 Method of separating cells from a sample  
Rare cells are separated from a sample fluid by a positive selection or negative selection antibody by centrifuging in a tube containing a harvesting float. The harvesting float has an axial...
7521258 Methods of detecting, measuring, and evaluating modulators of body weight in biological samples, and diagnostic, monitoring, and therapeutic uses thereof  
Modulators of weight, including, for example, two isoforms of murine and human ob polypeptides, are provided, as well as diagnostic and therapeutic uses and methods comprising such. Also provided...
7494782 Assay for measuring factor viia-antithrombin complexes  
A method for determining the concentration of factor VIIa-antithrombin complexes is disclosed which has application to estimating the level of intravascular exposure of tissue factor, assessing...
7449329 Blood test kit  
A blood crossmatching apparatus, kit and methods for testing the compatibility of mammals for blood transfusion. Particulate layers in the apparatus allow nonagglutinated red blood cells to...
7429458 Methods of using bioelastomers  
Bioelastomers are disclosed for use in methods of binding compounds including immunoassay methods, in biosensors and methods or regenerating biosensors, and in methods for targeting the delivery of...
7402399 Receptor tyrosine kinase signaling pathway analysis for diagnosis and therapy  
The invention provides a method for determining the activation status of receptor tyrosine kinase (RTK) pathways in either cell samples or patient samples by measuring receptor dimerization and...
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...
7361480 Method and means for detecting gluten-induced diseases  
The invention is directed to a method of detecting gluten-induced diseases such as e.g. celiac disease and dermatitis herpetiformis. Said diseases are indicated by the presence of autoantibodies...
7354773 Method and apparatus for preparing cell samples for intracellular antigen detection using flow cytometry  
A method and apparatus for preparing biological cell samples for intracellular analysis. The invention is based upon the recognition that many of the steps of the conventional methods for such...
7354614 Diagnostic device  
A diagnostic device 1 for performing an immunochromatographic analysis of a sample is disclosed. The diagnostic device 1 comprises a porous substrate 10 for performing the analysis and a...
7354776 Method of processing and testing powdered samples using immunochromatographic strip tests  
A method and kit for processing and testing powdered samples are provided herein. The powdered sample is combined with a fluid to produce a slurry or liquid suspension, and the slurry is contacted...
7348185 Method and apparatus for capturing target substance  
A method for capturing a target substance in a sample, comprising the steps of preparing particles capable of capturing the target substance in a dispersed state in a fluid, aggregating the...
7344849 Assay  
The present invention relates to assay methods for the determination of cobalamin or vitamin B 12 in a body fluid and in particular to assay methods for the metabolically active pool of cobalamin,...
7338809 Method for assaying whole blood  
In a method for measuring an analyte, which comprises a reaction step of forming a reaction system including a sample containing whole blood, a first substance carried by a solid carrier and...
7320893 Lipoprotein fingerprinting methods using metal ion chelate salts  
Methods are disclosed which separate and identify lipoproteins in biological samples. An ultracentrifuge density gradient is used to separate lipoprotein fractions. The fractions are visualized,...
7314763 Fluidics-based assay devices  
A fluidics-based assay device for detecting the presence or quantity of an analyte residing in a test sample is provided. The device utilizes a self-calibrated magnetic binding assay format (e.g.,...
7309723 Redox polymer nanoparticles  
The invention provides nanoparticles comprising one or more redox-active species, methods of making such nanoparticles, and methods for using such nanoparticles, for example, as diagnostic agents...
7309615 High quantum yield acridinium compounds and their uses in improving assay sensitivity  
The present invention relates to hydrophilic, high quantum yield acridinium compounds. It has been discovered that the placement of electron-donating groups in the acridinium ring system increases...
7291473 Screening process for atopic dermatitis  
The present invention provides a process of screening patients for atopic dermatitis. The process includes the step of determining, in sera of the patient, the presence of antibodies against...
7285424 Membrane-based assay devices  
A membrane-based assay device for detecting the presence or quantity of an analyte residing in a test sample is provided. The device utilizes a self-calibrated magnetic binding assay format (e.g.,...
7271009 Multi-analyte diagnostic test for thyroid disorders  
Immunological assays for several biological markers for thyroid disorders in a biological sample are performed in a single test with a combination of sandwich-type, sequential competitive, and...
7252961 Competitive immunoassay using complexed analyte derivatives  
The invention relates to a method for the detection of an analyte in a competitive immunoassay in the presence of an analyte derivative and first and second receptor molecules, and to a kit for...
7232690 Method and device for detecting and isolating pharmacological compounds being contained in substance mixtures  
A process for isolating and/or identifying at least one active chemical substance from a mixture of active and inactive chemical substances, is characterized by the steps: a) adding a target...
7205159 Diagnostic testing process and apparatus  
A method and apparatus for use in a flow through assay process is disclosed. The method is characterised by a “pre-incubation step” in which the sample which is to be analysed, (typically for...
7193066 Preparation of highly pure toxin fragments  
Toxin derivatives are prepared by proteolytic treatment of holotoxin, and their toxicity is reduced by contacting the preparation with a ligand, which can be a metal or an antibody or another...
7192784 Method of measurement in chromatography  
A substantial amount of a marker reagent associated with a measurement is measured in a marker reagent measurement area, and the substantial amount of the marker reagent is reflected by a result...
7176035 Protein-protein interactions and methods for identifying interacting proteins and the amino acid sequence at the site of interaction  
The invention relates to protein-protein interactions and methods for identifying interacting proteins and the amino acid sequence at the site of interaction. Using overlapping hexapeptides that...
7176036 Electroactive microspheres and methods  
Methods and devices for electrochemical detection of a specific binding pair member utilizing a microsphere with an incorporated electroactive marker, wherein a member of the specific binding pair...
7169618 Magnetic particles and methods of producing coated magnetic particles  
An improved method for separating materials is provided, using colloidal, magnetizable aggregates, optionally silanized, and coated with a one or more layers of novel polysaccharide derivatives....
7166477 Muscle sample prepared for prion assay  
A method of preparing a sample of muscle tissue and of assaying the prepared sample to determine the presence of prions in the sample is disclosed. The muscle tissue is homogenized and mixed with a...
7153701 Method for quantitatively detecting antigen  
A method for quantitatively detecting an antigen which comprises (1) a first step of providing an Fab′ antibody having a uniform isoelectric point, said antibody forming an immune complex with an...
7151000 Method of concentrating proteins from serum  
A sample is prepared from blood in a manner which makes it possible to further analyze proteins in the sample, e.g. to detect prions in the sample. Blood is extracted, allowed to clot and subjected...
7144710 Method for detecting inflammation and inflammatory conditions  
Methods for detecting the inflammatory biomarkers molecule CD 163 in biological samples are provided. Also provided are methods for monitoring the course of an inflammatory process or condition in...
7115378 Peptide biomarker and method of identification  
A method for identifying and quantifying peptides resulting from enzyme cleavage of collagen type II by mass spectrometric analysis to detect characteristic peptide fragments of a carboxy-terminus...
7091050 Solid phase assay for detection of ligands  
The present invention provides an improved system for detecting the presence or level of an analyte in a sample. In “competition-like” assays of the present invention, a sample including an...
7060505 Assay device  
An assay device and method are provided which allow the determination of the presence or absence of at least one analyte in a test sample, while providing specific identification of the test...
7056746 Array cytometry  
A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution....
7049150 Binding assay device with non-absorbent carrier material  
A binding assay device includes a porous membrane comprising a material enabling capillary movement of a liquid sample from a first area on the membrane on a second area on the membrane. A...