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| Number | Title | Issue Date |
| 7892489 | Light scattering device having multi-layer micro structure A micro structure includes a silicon substrate, an adhesion layer on the silicon substrate, a bias layer on the adhesion layer, and structure layers on the adhesion layer. The two or more structure layers comprise different material compositions and a plurality of h... | 02/22/2011 |
| 7425302 | Dry chemistry, lateral flow-reconstituted chromatographic enzyme-driven assays A lateral flow chromatographic assay format for the performance of rapid enzyme-driven assays is described. A combination of components necessary to elicit a specific enzyme reaction, which are either absent from the intended sample or insufficiently present therein... | 09/16/2008 |
| 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 communication with a wicking pad. The porous membrane has a detection zone which... | 06/24/2008 |
| 7374951 | System and apparatus for use in detecting microorganisms A system and an apparatus for use in detecting a target microorganism or agent is disclosed which involves a solid support carrying a binding partner specific for the particular microorganism or agent and the solid support being characterised in that it defines mean... | 05/20/2008 |
| 7371582 | Lateral flow quantitative assay method and strip and laser-induced fluorescence detection device therefor Disclosed is a lateral flow quantitative assay method which can measure one or more analyte species at the same time, with high sensitivity. Also, the present invention relates to a strip which can measure one or more analyte species at the same time, with high sens... | 05/13/2008 |
| 7358095 | Buffy coat separator float system and method A tube and float system for use in separation and axial expansion of the buffy coat includes a transparent or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells and plasma. The float incl... | 04/15/2008 |
| 7312028 | Highly cost-effective analytical device for performing immunoassays with ultra high sensitivity A simple easy to manufacture analytical device capable of performing membrane based immunoassays on batch of samples within 3 to 10 minutes wherein the method permits focused application of samples, costly labeled immunoassay and signal amplification reagents, said ... | 12/25/2007 |
| 7303925 | Method of detecting an analyte for lateral flow immunoassay tests A visual perception of a colored site in an immunoassay device comprising a strip for enabling capillary migration of a fluid sample therealong, a labeled reagent disposed on the strip and formulated for suspension in the sample migrating therepast and a captive rea... | 12/04/2007 |
| 7300802 | Membrane strip biosensor system for point-of-care testing The present invention relates to a biosensor for point-of-care testing (POCT) whose detection sensitivity was remarkably improved by introducing to membrane strip chromatographic assay system a successive cross-flow procedure for immune reaction and enzymatic reacti... | 11/27/2007 |
| 7294306 | Inspection tester for explosives An inspection tester that can be used anywhere as a primary screening tool by non-technical personnel to determine whether a surface contains explosives. It includes a body with a sample pad. First and second explosives detecting reagent holders and dispensers are o... | 11/13/2007 |
| 7285246 | Hand-held fluid analyzer A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. An ampoule positioned inside the housing is ruptured by manual pressure through the wall... | 10/23/2007 |
| 7270970 | Point of care diagnostic systems Systems and methods for medical diagnosis or risk assessment for a patient are provided. These systems and methods are designed to be employed at the point of care, such as in emergency rooms and operating rooms, or in any situation in which a rapid and accurate res... | 09/18/2007 |
| RE39816 | Conjunctive analysis of biological marker expression for predicting cardiac mortality A diagnostic tool is disclosed for accurately and rapidly diagnosing the condition of an ailing organ. Although applicable to numerous organ and organ systems, this application particularly illustrates the concept of conjunctive marker utilization as it relates to d... | 09/04/2007 |
| 7238537 | Assays An analytical test device incorporating a dry porous carrier to which a liquid sample, eg. urine, suspected of containing an analyte such as HCG or LH can be applied indirectly, the device also incorporating a labelled specific binding reagent which is freely mobile... | 07/03/2007 |
| 7235400 | Laminated microarray interface device A device for forming a low volume reaction chamber on a substrate such as a microarray slide and its method of use is disclosed. The reaction chamber forming device has an adhesive laminate design that permits it to be manufactured as a disposable device. A preferre... | 06/26/2007 |
| 7229831 | Leak site odorization for gas leak detection An apparatus for detecting a leak of a fluid from a vessel having an inner wall and an outer wall includes: at least one odorant layer adjacent the inner wall or the outer wall; and at least one semi-permeable material layer adjacent the odorant layer. ... | 06/12/2007 |
| 7226793 | Method for adding an apparent non-signal line to a lateral flow assay A test device and method for determining the presence or absence of an analyte in a fluid sample, the test device including a support bearing a mark thereon, and a matrix defining an axial flow path. In operation, an observation area in the test device becomes trans... | 06/05/2007 |
| 7223609 | Arrays for multiplexed surface plasmon resonance detection of biological molecules Arrays are provided for multiplexed evanescent scanning by allowing for high-contrast Surface Plasmon Resonance images thereof. The arrays target features are typically biopolymeric in nature, though they may be any sort of chemical or ligand. The type of scanning i... | 05/29/2007 |
| 7223363 | Method and system for microfluidic interfacing to arrays A method and system for providing a fluidic interface to slides bearing microarrays of biomolecules or other samples immobilized thereon to perform a variety of chemical reactions or processing steps on the slide. An interface device seals against the slide to form ... | 05/29/2007 |
| 7220593 | Buffy coat separator float system and method A tube and float system for use in separation and axial expansion of the buffy coat includes a transparent or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells and plasma. The float incl... | 05/22/2007 |
| 7211405 | Placental protein 13 The full amino acid and DNA sequences of placental protein 13 (PP13) are disclosed. Also described are various PP13 derived peptide fragments, and a recombinant method for the production of PP13. PP13 may be used in a screening and a diagnostic method for pregnancy-... | 05/01/2007 |
| 7201877 | Device and method for detecting sulfuryl fluoride A device for detecting sulfuryl fluoride, in which the gas specimen to be examined is subjected to pyrolysis with ensuing detection of a pyrolysis product, is to be improved for the sake of achieving a mobile, economical structure. To attain this object, in a prelim... | 04/10/2007 |
| 7179657 | Method for adding an apparent non-signal line to a rapid diagnostic assay A test device and method for determining the presence or absence of one or more analytes in a fluid sample, the test device including a support or member bearing a mark thereon, and a matrix or member containing a capture zone. In operation, an observation area in t... | 02/20/2007 |
| 7160687 | Miniaturized cell array methods and apparatus for cell-based screening The present invention describes methods and cassettes for cell-based toxin detection and organ localization. The cassettes includes an array containing cells and a matrix of openings or depressions, wherein each region of the substrate enclosed by the opening or dep... | 01/09/2007 |
| RE39457 | Liquid specimen container and attachable testing modules A biological fluid collection container comprising a cup member, a lid assembly removably mounted to the cup member comprising a housing with a downwardly extending cylindrical skirt, a luer lock with a throughgoing bore extending from one side of the lid housing. A... | 01/02/2007 |
| 7128876 | Microdevice and method for component separation in a fluid The present invention relates to a microdevice for separating the components of a fluid sample. A cover plate is arranged over the first surface of a substrate, and, in combination with a microchannel formed in the first surface, defines a separation conduit for sep... | 10/31/2006 |
| 7125493 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters The present invention relates to the field of synthetic polymeric microfiltration membrane materials that are fabricated to separate liquids from solids contained therein. One aspect of the invention relates to a highly asymmetric, hydrophilic microfiltration membra... | 10/24/2006 |
| 7112451 | Biosensor A biosensor is provided with an area in which a reagent having bleaching action is carried in a state where it can be dissolved, at least in a part of a sample application area to which an inspection target solution is applied or the downstream of the sample applica... | 09/26/2006 |
| 7108993 | Use of dual conjugated labels in the elimination of serum interference in immunochromatographic assays A method and device for carrying out immunoassays in which non analyte specific binding of heterophilic antibodies to a labeled antibody in a capture region produces an incorrect measure of the amount of an analyte attached to the antibody. Immunoglobulin from the s... | 09/19/2006 |
| 7101716 | Formaldehyde detecting material A detecting material to detect formaldehyde at low concentration in the atmosphere in a short time is prepared by impregnating a base material containing at least silica gel with a coloring liquid containing 4-amino-4-phenyl-3-ene-2-one and a buffer solution and vol... | 09/05/2006 |
| 7097812 | Device for storing and/or treating chemicals A device for storing and/or treating chemicals is described. The device includes a glass casing provided with a receiving cavity for storing chemicals therein, and further includes a transponder having a memory, the transponder being arranged in the device such that... | 08/29/2006 |
| 7097983 | Method for detecting the presence of an analyte in a sample The invention features a method of determining whether one or more members of an analyte family are present in a sample. The method makes use of a test zone binder, e.g., a receptor that can bind one or a plurality of analytes within an analyte family, the analytes ... | 08/29/2006 |
| 7087389 | Highly cost-effective analytical device for performing immunoassays with ultra high sensitivity A simple easy to manufacture analytical device capable of performing membrane based immunoassays on batch of samples within 3 to 10 minutes wherein the method permits focused application of samples, costly labeled immunoassay and signal amplification reagents, said ... | 08/08/2006 |
| 7087397 | Method for determining HDL concentration from whole blood or plasma A multilayer test strip and method of using the test strip for determining concentration of HDL cholesterol in a whole blood sample. The inventive test strip includes a two-stage blood separation mechanism, including a first glass fiber matrix which separates most o... | 08/08/2006 |
| 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 subject. The assay device includes a reaction medium having at least one re... | 06/13/2006 |
| 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. Light-controlled electrokinetic assembly of particles near surfaces relies on t... | 06/06/2006 |
| 7026168 | Sample processing devices Methods and devices for thermal processing of multiple samples at the same time are disclosed. The sample processing devices provide process arrays that include conduits useful in distributing sample materials to a group pf process chambers located in fluid communic... | 04/11/2006 |
| 6991912 | Systems and methods for performing magnetic chromatography assays Novel magnetic assay methods and systems. According to a preferred embodiment, a chromatographic medium, which preferably comprises a test strip, is provided that is designed to be contacted with a test solution having activated magnetic particles such that the solu... | 01/31/2006 |
| 6989276 | Rapid classification of biological components A method is disclosed for analyzing a biological sample by antibody profiling for identifying forensic samples or for detecting the presence of an analyte. In an illustrative embodiment of the invention, the analyte is a drug, such as marijuana, cocaine, methampheta... | 01/24/2006 |
| 6960323 | Compositions containing a urea derivative dye for detecting an analyte and methods for using the same Compositions, reagent test strips, analyte detection systems and kits of the same, as well as methods for their use in the detection of an analyte in a sample, are provided. The subject compositions are characterized by having a positively charged porous matrix and ... | 11/01/2005 |
