REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Chemistry: Analytical And Immunological Testing > Involving An Insoluble Carrier For Immobilizing Immunochemicals > Carrier Is Inorganic Carrier Is InorganicCarrier Is Inorganic patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.04/19/07 - 20070087453 - 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 number of binding sites provided by anti-atrazine antibodies coated on nitrocellulose membrane. The newly developed conjugate has a long shelf life with high stability at ... 04/12/07 - 20070082411 - 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 plurality of nanocrystals comprise quantum dots of varying sizes functionalized with one or more material or compound, where one size left un-conjugated, are contacted ... 03/29/07 - 20070072309 - 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 analytical compositions are useful in detection and/or quantification of analytes, such as chemical compounds, biological species, and the like. The selector renders the ... 03/22/07 - 20070065954 - 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 may have multiple channels, with each channel having operably affixed thereto an antibody specific for a tumor-associated antigen, so as to allow ... 03/08/07 - 20070054417 - Method and device for the detection of very small quantities of particles The invention relates to a method and a device for detecting very small quantities of particles. The inventive method is based on a detection of antigen-antibody reaction products and provides a very high detection sensitivity all the way to the femtomolar or attomolar range. ... 02/22/07 - 20070042507 - 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 second solvent has been absorbed into the porous surface, and said first solvent is immiscible with said second solvent, and ... 02/15/07 - 20070037297 - Highly-sensitive magnetic marker for use in immunoreaction measurement Disclosed are a highly-sensitive magnetic marker for use in measuring an immunoreaction with a SQUID magnetic sensor and the preparation thereof. The magnetic marker is composed of a magnetic fine particle and a polymer encapsulating the particle, wherein the particle diameter of the magnetic fine particle (preferably ferrite Fe3O4) is ... 02/08/07 - 20070031980 - Method for the controlled transport of magnetic beads The present invention is related to a method for controlled transport of magnetic beads between a position X and different position Y, such that the magnetic beads are manipulated or transported by applying successively a series of N local magnetic fields which have magnetic field gradients different from 0 in ... 01/25/07 - 20070020770 - Mems-based integrated magnetic particle identification system The present invention provides a MEMS-based integrated particle identification system having a substrate, a magnetic structure, and a bioferrograph. The substrate includes a topside portion, backside portion and a flow system. The flow system includes a flow channel for accepting the flow of a stream of particles to identified. The ... 01/18/07 - 20070015292 - 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 particle-collectors. In some embodiments, the magnetically-responsive particles have a composition that includes elements that are attracted by magnetic fields, but are not ... 12/21/06 - 20060286683 - Method and testing system for analyzing and/or detecting biomolecules and/or active substances in liquid samples The method for assaying and/or detecting the type and/or quantity of at least one sample substance is characterized by the following features: pre-dosed quantities of carrier particles, which differ in regard to size and/or color (type of color and/or color intensity), are loaded with probe/detector molecules, and are dried, are ... 12/14/06 - 20060281195 - Specific coupling reaction measuring method and reagent kit and specific coupling reaction measuring apparatus for use in the same A specific coupling reaction measuring method of this invention for measuring a content of a subject substance in a sample includes the steps of (a) constructing a reaction system including the sample and a magnetic particle on which a specific coupling substance for specifically coupling with the subject substance is ... 12/14/06 - 20060281194 - 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 and the centrifugation and to improved centrifugation solid-liquid separation processes wherein the improvement comprises simultaneously subjecting the solid-liquid mixture to a homogeneous magnetic field, a magnetic field ... 12/07/06 - 20060275924 - Light-controlled electrokinetic assembly of particles near surfaces A method and apparatus for the manipulation of colloidal particles and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces relies on the combination of three functional elements: the AC electric field-induced assembly of planar aggregates; ... 11/23/06 - 20060263907 - 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 present devices, kits, instruments and methods. Preferably, a single naturally hydrophilic membrane and/or a fluorescent or luminescent particle label is used. ... 11/23/06 - 20060263906 - Tri-functional nanospheres Trifunctional nanoparticles have excellent fluorescence, magnetism, and cell recognition, which can be easily manipulated, tracked, and conveniently used to capture target cells. The surface-immobilized molecules of the TFNs might be optionally changed on demand for the purposes of bioanalysis, biomedical imaging, diagnosis, and the combinatorial screening of drugs. The nanoparticle ... 10/26/06 - 20060240573 - Optical system including nanostructures for biological or chemical sensing An analytical device is disclosed. In one embodiment, the analytical device includes a three-dimensional substrate structure comprising a three-dimensional surface. A plurality of noble metal nanoparticles are on the three-dimensional substrate structure. A plurality of capture agents are on the noble metal nanoparticles. ... 10/26/06 - 20060240572 - 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 field for analysis. The spectral enhancement particle may be comprised of an active SERS metal particle with or without a ... 10/12/06 - 20060228814 - Electrochemical immunoassays using colloidal metal markers The invention concerns a method for detecting or quantifying a biological substance coupled with a colloidal metal particle by electrochemical detection, characterized in that it comprises a step which consists in dissolving by chemical treatment of said colloidal metal particle, prior to detection. ... 10/12/06 - 20060228813 - Method for immobilizing biomolecules on metal oxide substrates The present invention relates to an improved method for providing biomolecules on a metal oxide substrate. In another aspect, the invention relates to a metal oxide substrate, having a surface that is coated with a polymer, said substrate having biomolecules immobilised thereon, wherein said biomolecules are immobilized on said coated ... 10/05/06 - 20060223197 - Method and apparatus for the detection of biological molecules A detection system and a method for the detection of a plurality of substances is disclosed. The detection system has a plurality of detection probes, each of the detection probes having an up-conversion fluorescing core of dimensions less than 200 nm and is linked to an affinity moiety. The affinity ... 09/28/06 - 20060216835 - Method of separating unattached raman-active tag from bioassay or other reaction mixture A superparamagnetic Raman-active complex that includes a Raman-active tag, a target, and a superparamagnetic particle is disclosed. A method of applying a magnetic field to a mixture is also disclosed. The mixture includes a Raman-active tag unattached to a target and a superparamagnetic Raman-active complex. Also disclosed is a method ... 09/07/06 - 20060199281 - Surfaces coated with target-induced fluorescent compounds for detection of target elements Surfaces coated with a target-induced fluorescent compound are used to detect target elements, especially trace elements. The target-induced fluorescent compound does not fluoresce when excited at a specific wavelength until it has bound a target element. The use of these coated surfaces provides several benefits including reduced background for greater ... 08/17/06 - 20060183247 - Detection method for specific biomolecular interactions using fret between metal nanoparticle and quantum dot The present invention relates to (1) a method for detecting a specific binding for bio-molecules; (2) a method for detecting a presence of target molecules within a specimen; and (3) a method for measuring a quantity of target molecules existing in a specimen, in which a pair of energy donor ... 08/17/06 - 20060183246 - Fluorescent silica-based nanoparticles The invention generally relates to fluorescent nanoparticles and more specifically to silica-based fluorescent nanoparticles of less than 30 nm with covalently attached organic dyes. The invention provides a fluorescent monodisperse silica nanoparticle comprising fluorophore center core and a silica shell wherein the radiative properties of the nanoparticle are dependent upon ... 08/10/06 - 20060177945 - Organo luminescent semiconductor nanocrystal probes for biological applications and process for making and using such probes A semiconductor nanocrystal compound is described capable of linking to an affinity molecule. The compound comprises (1) a semiconductor nanocrystal capable of emitting electromagnetic radiation and/or absorbing energy, and/or scattering or diffracting electromagnetic radiation—when excited by an electromagnetic radiation source or a particle beam; and (2) an affinity molecule linked ... 08/03/06 - 20060172438 - Methods and kits for detecting heparin/platelet factor 4 antibodies Methods for determining the presence of heparin/platelet factor 4 antibodies in a sample suspected to contain heparin/platelet factor 4 antibodies are provided, along with apparatus suitable for performing the methods. The method depends upon a color visualization indicating the presence or absence of heparin/platelet factor 4 antibodies in the sample. ... 07/27/06 - 20060166375 - Microscale diffusion immunoassay utilizing multivalent reactants An improved microscale diffusion immunoassay utilizing multivalent reactants is disclosed. In particular, a method for detecting the presence of analyte particles in an analyte fluid is disclosed, the method comprising: (a) providing the analyte fluid comprising the analyte particles; (b) providing a diffusion fluid comprising binding particles capable of binding ... 07/06/06 - 20060148104 - Detection of ion channel or receptor activity The invention provides nanosensors and nanosensor components for the detection of ion channel activity, receptor activity, or protein protein interactions. Certain of the nanosensor components comprise a nanoparticle and recognition domain. Following contact with cells and, optionally, internalization of the nanosensor component by a cell, the recognition domain binds to ... 07/06/06 - 20060148103 - Highly sensitive biological assays Biological assay systems with enhanced sensitivity may employ waveguides. Quantum dots, which are inorganic fluorescent markers, may be used as markers that will indicate a presence of amount of one or more target molecules (e.g., analytes) in a sample. Multiple markers may be bound to each target molecule or a ... 07/06/06 - 20060148102 - Apparatuses and methods for assaying analytes using photoelectrochemical labels The present invention provides apparatus, kits and methods for assaying analytes using photoelectrochemical molecules as labels. Specifically, the present invention provides a method for assaying an analyte, comprising: a) contacting a sample suspected of containing an analyte with a reactant capable of binding and/or reacting with the analyte under suitable ... 06/22/06 - 20060134806 - Method of separating unattached raman-active tag from bioassay or other reaction mixture A method of separating a Raman-active tag unattached to a target from a Raman-active complex is disclosed. The Raman-active complex includes a Raman-active tag attached to a target. The method includes providing a mixture including at least one Raman-active tag unattached to a target and at least one Raman-active complex; ... 06/15/06 - 20060128035 - Sensor and method for measuring the areal density of magnetic nanoparticles on a micro-array A magnetoresistive sensor device for measuring an areal density of magnetic nanoparticles on a micro-array, the magnetic nanoparticles (15) being directly or indirectly coupled to the target sample (11), is described. The magnetoresistive sensor device comprises a substrate (3) having attached thereto binding sites (9) able to selectively bind target ... 06/15/06 - 20060128034 - 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 illumination and measuring allows background fluorescence from substances other than the quantum dots to drop significantly when compared to ... 06/01/06 - 20060115908 - 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 air or gas, or contaminant vapors in the air or gas, are retained in and concentrated ... 05/11/06 - 20060099721 - Radioimmunoassay using nanoparticle-antibody conjugates A radioimmunoassay method for determining the quantity of an analyte of interest in a sample is disclosed. The analyte of interest may be an antigen or other chemical entity. A known antibody to the antigen or other entity is employed and is conjugated to a functionalized nanoparticle. Because of the ... 04/27/06 - 20060088946 - Optical microlabels: shapes and reflectors Labels and methods of producing labels for use in clinical, analytical and pharmaceutical development assays are provided. Labels may comprise shape-encoded particles which may be coupled to ligands such as DNA, RNA and antibodies, where different shapes are used to identify which ligand(s) are present. Labels may also comprise reflectors, ... 02/23/06 - 20060040409 - Method for measuring dissociation rate coefficient by surface plasmon resonance analysis An object of the present invention is to provide a method for measuring the dissociation rate coefficient (Kd) by surface plasmon resonance analysis without measuring the theoretical maximum amount of binding (Rmax). The present invention provides a method for measuring the dissociation rate coefficient (Kd) of the reaction between an ... 02/09/06 - 20060030056 - Use of magnetic material to fractionate samples A method useful for the reversible binding of a protein molecule in a biological sample. The method uses paramagnetic particles having an associated electronic charge to bind proteins with the opposite charge to form a particle/protein complex. The complex can be immobilized to a container wall by applying a magnetic ... 01/26/06 - 20060019409 - Spectroscopic methods for component particle analysis The invention relates to methods of assessing one or more geometric properties of a particle of a substance using an infrared spectroscopic property of the substance. The method is useful, for example, for assessing particle sizes and size distributions in mixtures containing both particles of the substance and other materials. ... 01/05/06 - 20060003465 - 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, which represents the most lethal malignancies. The luminescence characterization of the bin-conjugated QDs with cancer specific antigens using linkage molecules. Photo-enhancement is measured ... 01/05/06 - 20060003464 - Organo luminescent semiconductor nanocrystal probes for biological applications and process for making and using such probes A semiconductor nanocrystal compound is described capable of linking to an affinity molecule. The compound comprises (1) a semiconductor nanocrystal capable of emitting electromagnetic radiation and/or absorbing energy, and/or scattering or diffracting electromagnetic radiation—when excited by an electromagnetic radiation source or a particle beam; and (2) at least one linking ... 12/29/05 - 20050287681 - Target substance detecting element, target substance detection apparatus and target substance detection method Magnetic particles with a metal coat holding target substance captors are made to react with a target substance contained in a specimen in a solution where the magnetic particles are dispersed in a liquid medium. Subsequently, the dispersion of the magnetic particles is applied to a surface having a periodic ... 11/03/05 - 20050244987 - Detection device, detection apparatus, and detection kit employing the device and reagent A detection device for detecting a target substance in a specimen comprises a flow channel for delivering the specimen, a coil surrounding the flow channel, and a reaction region being placed in a portion of the flow channel surrounded by the coil outside and holding a first trap substance immobilized ... 10/06/05 - 20050221505 - Optoelectronic rapid diagnostic test system A rapid diagnostic test system or process uses a single-use module that includes a photodetector. The photodetector generates an electrical signal representing a measurement of light from a test region on a medium such as a lateral-flow strip for a binding assay. For light measurement, the test medium can contain ... 10/06/05 - 20050221504 - Optoelectronic rapid diagnostic test system A rapid diagnostic test system or process uses a single-use module that includes a photodetector. The photodetector generates an electrical signal representing a measurement of light from a test region on a medium such as a lateral-flow strip for a binding assay. For light measurement, the test medium can contain ... 07/21/05 - 20050158877 - 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 metallic particles is so small that no significant SERS signal can be detected. An analyte molecule binds two ... 07/14/05 - 20050153460 - 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 of at least one binder selected from the group consisting of: a water-soluble polymer having a solution viscosity of 6 cP or ... 07/07/05 - 20050148101 - Interaction of colloid-immobilized species with species on non-colloidal structures The invention provides novel techniques for derivatizing colloids with self-assembled monolayers. This provides the capability of a wide variety of assays including chemical or biochemical agent/agent interaction studies. Bio-derivatized colloids, with or without signaling entities, are used to probe interactions with species on non-colloidal structures. The invention provides techniques for ... ### FreshPatents.com Support |