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US20060263907 Fluorescence lateral flow immunoassay  
The present invention relates to devices, kits, instruments and methods for conducting lateral flow assays. A naturally hydrophilic membrane a fluorescent or luminescent label are used in the...
US20050019955 Luminescent heterodiamondoids as biological labels  
Novel biological labels are disclosed herein. The label comprises a functionalized heterodiamondoid functioning as a biological probe, the probe having an affinity for a target analyte molecule....
US20090104634 ONE-STEP IMMUNOASSAYS EXHIBITING INCREASED SENSITIVITY AND SPECIFICITY  
The present disclosure relates to immunoassays for detecting or quantifying at least one analyte of interest in a test sample which exhibits improved sensitivity and specificity compared to the...
US20060263890 Electromagnetic probe device  
The invention is an electromagnetic probe used in conjunction with a ferrofluid containng M particles. The electromagnetic probe is used to steer M-particles to a desired location, or use the M...
US20060281194 Magnetic field and field gradient enhanced centrifugation solid-liquid separations  
This invention relates to a continuous or batch centrifugation solid-liquid separation process comprising simultaneously subjecting the solid-liquid mixture to localized magnetic field gradients...
US20060115908 Multiplexed analyses of contaminant-laden gas in a particle impact collector  
Air or gas is drawn into a particle impact collector where the air or gas is forced through non-linear passages inside the collector in such a manner that particles or droplets entrained in the...
US20090075396 Biosensors  
Methods for detecting a biological interaction comprising administering a substrate comprising a ligand attached to the substrate wherein the ligand binds to a receptor and wherein a signal is...
US20090124026 Use of Perfluoropolymer Submicrometric Latexes in the Determination of Molecular Interactions By Laser Light Scattering (Lls)  
Use of a latex of perfluorinated polymers having particles with an average diameter between 5 and 200 nm for determining the binding constant of two interacting molecular species by Laser Light...
US20070292889 Immunoassay magnetic trapping device  
A system for immunoassaying a sample comprising providing magnetic beads, connecting signal molecules to the beads, connecting the sample to the magnetic beads with the connected signal molecules,...
US20070172429 Labeling compositions and methods of use for deterrent trackability  
Compositions and methods for controlling and tracking items are provided. More particularly, labeling compositions useful as a coding system to deter diversion of items of medication or other...
US20100087013 Nanosensors and related technologies  
The present invention generally relates to nanotechnology and sub-microelectronic circuitry, as well as associated methods and devices, for example, nanoscale wire devices and methods for use in...
US20050250130 Method for detecting location of probe bead in capillary bead array  
It is an object to provide a method for accurately identifying the order of probe beads, namely, the types of probes bound to the probe beads, by readily and precisely detecting the locations of...
US20060128034 Diagnostic test using gated measurement of fluorescence from quantum dots  
A rapid diagnostic test system or process uses a gated measurement of the fluorescent light from quantum dots after shutting off an illuminating light source. A delay between shutting off the...
US20080166706 Novel gold nanoparticle aggregates and their applications  
The invention is drawn to novel gold nanoparticles that are used in a dual optical method for sensitive and selective detection of antigens. The gold nanoparticle aggregates are synthesized from...
US20070238140 Method For Multiplex Bead-Based Assays Using Chemiluminescence and Fluorescence  
A method for detecting a target analyte in a sample, the method having the steps of: binding the target analyte to a fluorescently coded particle capable of specifically binding to the target...
US20060127931 Particle detector with waveguide light confinement  
A strong light confining nano-cavity in a photonic structure enhances the effective extinction cross-section of metal nano-particles. As a result of strong light confinement, precisely where the...
US20060160208 Multi-well plate with alignment grooves for encoded microparticles  
A method and apparatus are provided for aligning optical elements or microbeads, wherein each microbead has an elongated body with a code embedded therein along a longitudinal axis thereof to be...
US20100081216 METHOD AND DEVICE FOR RAPID PARALLEL MICROFLUIDIC MOLECULAR AFFINITY ASSAYS  
Disclosed are methods and devices for rapid parallel molecular affinity assays performed in a microfluidic environment. The invention exploits hydrodynamic addressing to provide simultaneous...
US20100099203 Substrates with surfaces modified with PEG  
Compositions and methods of modifying surfaces using hydroxyl terminated PEG are described herein. The surfaces so modified are useful in detection of synthetic and natural product organic...
US20100040553 SPHERICAL FERRITE NANOPARTICLE AND METHOD FOR PRODUCTION THEREOF  
A method for producing spherical ferrite nanoparticles includes the steps of: preparing a first aqueous solution containing a disaccharide, an alkaline, an oxidation agent, seed particles and...
US20060003465 Luminescence Characterization of Quantum Dots Conjugated with Biomarkers for Early Cancer Detection  
Luminescent semiconductor quantum dots (QDs) conjugated with biomolecules to serve as sensitive probes for early detection of the cancer cells, specifically for ovarian cancer and lung cancer,...
US20070059705 Fluorescent magnetic nanoparticles and process of preparation  
This invention provides nanometer-sized fluorescent magnetic particles and processes of making them. The nanoparticle has a core particle comprising a magnetic material and a fluorescent material,...
US20070059782 Magnetic particle tagged blood bank reagents and techniques  
Magnets and magnetic particle-labeled reagents are used to capture and/or release magnetic particle-tagged entities for immunohematology diagnostic testing purposes, especially tests performed in...
US20070020700 Lateral flow assay and device using magnetic particles  
A complex including magnetic particle bound to a metal colloid. The complex may be part of a reagent for use in a method for determining analytes. The reagent may include a binding partner...
US20070105163 Flow-controlled magnetic particle manipulation  
Inventive methods and apparatus are useful for collecting magnetic materials in one or more magnetic fields and resuspending the particles into a dispersion medium, and optionally repeating...
US20060210987 Method for the spatially resolved determination of physcial, chemical and/or biological properties or state variables  
Method for the spatially resolved determination of physical, chemical and/or biological properties or state variables and/or the change therein in an examination area of an examination object by...
US20060228719 Method for imaging an array of microspheres using specular illumination  
A specular light source and camera for detecting and quantifying the presence of biological probes, which contain a colorant with spectral properties that depend upon the angle of illumination and...
US20060134774 Detection of protease enzymes  
Methods and compositions for the detection of biomolecules, for example, proteases, are provided. The novel compositions, methods, and kits of the present invention have broad applicability in the...
US20070054407 Mass spectrometric analysis of ligand conjugated magnetic nanoparticles  
The present invention provides methods, compositions, and systems for mass spectrometric analysis of magnetic nanoparticles displaying ligands on their surface. For example, the present invention...
US20070015292 Apparatus, System and Method for Evaluating Fluid Systems  
In one aspect, the invention relates to a system for evaluating a fluid system, which includes one or more batches of magnetically-responsive particles and one or more magnetic...
US20100135856 NANOPARTICLE FOR DETECTING BIOMATERIALS AND BIOSENSOR BY USING THE NANOPARTICLE  
Provided are a nanoparticle for detecting biomaterials and a biosensor by using the nanoparticle. The nanoparticle includes a metal nanostructure around which an electric field is induced by...
US20070072309 Analytical compositions including nanometer-sized transducers, methods to make thereof, and devices therefrom  
Disclosed is an analytical composition comprising a carrier coupled to an analytical transducer nanoparticle and a selector. Disclosed also are methods to make the analytical compositions. The...
US20050153460 Agglutination assay method in binder medium  
An agglutination assay method for quantitatively determination of an analyte in a liquid sample using particles bearing an anti-analyte. The agglutination is conducted in a reagent layer composed...
US20050158723 Irreversible colloidal chanis with recognition sites  
A collection of colloidal particles in the form of one or several chains, in which the chains are generated in an irreversible manner and have at least one recognition site for a species, the site...
US20070111208 Determination of free fractions  
The invention relates to methods for the determination of pharmacological properties of substances, such as, e.g., chemical substances. The invention also relates to methods and kits for use in...
US20060148016 Nanoparticle for bioaffinity assays  
Thus this invention relates to a nanoparticle, useful for bioaffinity assays. The nanoparticle has a self-assembling shell built up of several protein and/or peptide subunits, which protein and/or...
US20070065954 Surface plasmon resonance biosensor system for detection of antigens and method for determining the presence of antigens  
The present invention provides an SPR system and corresponding methods of use, for determining the presence or concentration of tumor-associated antigens in cancer patient samples. The SPR system...
US20060177850 Particle-based multiplex assay system with three or more assay reporters  
A system and method for developing and utilizing particle-based n-multiplexed assays that include three or more reporters utilizes n particle sets that are associated with particle identification...
US20070099307 LIGAND CONCENTRATING, LIQUID CRYSTAL BIOSENSOR SYSTEM  
A method for detecting a ligand is provided. Antibodies to a predetermined ligand are attached to substrates. The substrates are superparamagnetic, dyed beads. The beads are exposed to an...
US20060240572 System and method for Raman spectroscopy assay using paramagnetic particles  
A Raman spectroscopy technique allows an analyte, a paramagnetic particle, and a spectral enhancement particle to combine in solution and for the combination product to be localized by a magnetic...
US20070160984 Multiple-property composite beads and preparation and use thereof  
This invention relates generally to the field of moiety or molecule isolation, detection and manipulation and library synthesis. In particular, the invention provides a bead, which bead comprises:...
US20070082411 Detection and identification of biological materials using functionalized quantum dots  
A method and apparatus has been invented to detect and identify biological materials and their properties based on the affinity of water-soluble, semiconductor nanocrystals bioconjugates. A...
US20060292552 Method for the detection and multiplex quantification of analytes in a sample, using microspheres  
The invention relates to a method for the detection and multiplex quantification of analytes in a sample, using functionalised microspheres, whereby said microspheres are magnetised after the...
US20060240489 Carbodithioate ligands for nanotechnology and biosensing applications  
The present invention is directed to methods and products related to carbodithioate ligands bonded to surfaces. The invention is further directed to molecular and biomolecular sensing methods...
US20050250094 Method for detecting analytes based on evanescent illumination and scatter-based detection of nanoparticle probe complexes  
The invention provides methods of detecting one or more specific binding analytes, such as nucleic acids and proteins, in the presence of a neutral or anionic polysaccharide, through light...
US20070042507 Composite nanoparticles  
The method of measuring the partition coefficient of a test molecule comprises incorporating the molecule in a composition of nanoparticles having a porous surface and a first solvent, wherein a...
US20070087453 Immuno conjugate and process for preparation thereof  
Present invention deals with a new immuno-reagent comprising hapten (MPAD)-protein-gold for pesticides detection. The conjugate MPAD-protein-gold competes with the analyte of interest for a finite...
US20050158877 Novel antibody mediated surface enhanced raman scattering (SERS) immunoassay and multiplexing schemes  
Assay reagents include small metallic particles labeled with a Raman dye and antibody molecules capable of binding the analyte of interest. In the absence of the analyte, the size of the isolated...
US20070172890 MAGNETIC ROTATION TO IMPROVE SIGNAL-OVER-BACKGROUND IN BIOSENSING  
The invention provides a method and a device (10) for distinguishing a specific binding from a less specific binding between at least one magnetic nanoparticle (11) and a surface of another entity...
US20050244873 Detecting method, detection device and detection kit  
A detection device and a detecting method using the detection device are provided in which a magnetic particle is used as a marker particle and a ratio of a region with reversed magnetization to...

Matches 1 - 50 out of 94 1 2 >