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6406919 |
Whole blood collection device and method
A system for collecting whole blood includes a metering chamber and a reservoir. A movable gasket or seal is positioned to a fill position, and whole blood is added to the metering chamber until...
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6406672 |
Plasma retention structure providing internal flow
A capillary hematocrit separation structure is included within a housing having a fluid inlet port, a reaction region, and a capillary pathway connecting the inlet port and the reaction region. The...
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6403383 |
Diagnostic test kit for immunological assays of fluid samples
A diagnostic test kit has a cup-like container for retaining a fluid sample to be tested and the open top end of the container is closed by a closure cap on the open end. There is a slit in the...
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6403037 |
Reaction vessel and temperature control system
The invention provides a reaction vessel and temperature control system for performing heat-exchanging chemical reactions, such as nucleic acid amplification. The vessel has a body defining a...
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6399398 |
Assay device
An assay device comprises a sample-collecting wick made from non-woven fabric material laminated to plastics sheet. Preferably, the fabric is a 30:70 blend of viscose and polyester, and has a...
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6391264 |
Cartridge-based analytical instrument with rotor balance and cartridge lock/eject system
The instrument includes a cartridge carousel assembly which receives analytical cartridges. The cartridges are self-contained units which incorporate a sample metering/separation system which is...
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6391653 |
Acoustic standing-wave enhancement of a fiber-optic salmonella biosensor
A fluorescent fiber-optic biosensor system using ultrasonic concentration of particles and cells for the detection of Salmonella typhimurium . A biosensor test chamber serves as an ultrasonic...
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6391261 |
Device for detecting analytes related to sample pH
A device for measuring, concurrently from the same sample solution, the pH and presence or quantity of an analyte in the solution. The pH and analyte measuring sections of the invention are...
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6391262 |
Test kit for measuring volatile ammonia in biological sample
A test kit for determining the “volatile ammonia content” of biological samples comprising any wet or dry compost, manure, plasma or soil sample. The kit includes a transparent container for...
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6391559 |
Method of sampling, amplifying and quantifying segment of nucleic acid, polymerase chain reaction assembly having nanoliter-sized sample chambers, and method of filling assembly
Methods of detecting and quantifying genomic nucliec acid molecule sequences are provided using the simultaneous amplification of a plurality of discrete nanoliter-sized samples. A miniaturized...
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6391541 |
Apparatus for analyzing a fluid sample
A cartridge for separating a desired analyte from a fluid sample has a sample flow path and a lysing chamber in the sample flow path. The lysing chamber contains at least one filter for capturing...
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6387331 |
Method and apparatus for performing microassays
A system and method for analyzing a plurality of liquid samples. The system has a platen having two substantially parallel planar surfaces and a plurality of through-holes dimensioned so as to...
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6379972 |
Perforating analytical test device
An analytical test device and method of use are taught. The device has a perforating sharp tip to contact the sample. The tip has an aperture permitting the sample to flow into a recess of the...
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6376195 |
Indirect label assay device for detecting small molecules and method of use thereof
A chromatographic strip positive readout binding assay device and method suitable for quick, sensitive and reliable field testing for small molecules such as environmental contaminants, drugs of...
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6375896 |
Swab analyzer for the immunochemical detection of substances
A swab analyzer with advantageous handling and detection sensitivity for the immunochemical detection of substances. The analyzer has a housing, an eluent application zone (a swabbing pen 2 ) and...
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6375897 |
Urine collection cup
A urine collection cup device is provided including a clear plastic cup, a reagent strip disposed against an inner surface of the cup and adhered thereto by means of a plastic laminate or adhesive...
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6372515 |
Device for the testing of fluid samples and process for making the device
A test card for drugs of abuse has a thin flat member having the size and shape of a business card. A plurality of immunoassay test strips extend longitudinally from top to bottom at the card and...
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6372511 |
Swabbing means and methods of use
Swabbing structures and methods of use are provided that enable a test surface to be swabbed, and subsequently facilitate a quantitative determination of the quantities of analyte collected from...
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6372182 |
Integrated body fluid collection and analysis device with sample transfer component
A single, integrated device in which a body fluid (e.g., blood) of a human or animal can be both collected and analyzed easily and without risk of contamination is disclosed. The collection portion...
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6372516 |
Lateral flow test device
A immunochromatographical test device including a cap, an absorbent pad, a membrane, a test strip, a holder, and a housing is disclosed. The housing contains the membrane and the test strip which...
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6372514 |
Even fluid front for liquid sample on test strip device
Test strip device for accepting a liquid sample and forming an even fluid front across the test strip. When the sample is applied to a contacting surface, it runs down the surface where it collects...
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6372513 |
Device and process for lateral flow saliva testing
A method and device are provided for performing diagnostic testing of an oral fluid specimen. The method generally includes providing a lateral flow test strip having a sample portion and a test...
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6368876 |
One step immunochromatographic device and method of use
This invention relates to a lateral flow immunochromatographic assay device without a plastic housing. The assay includes a sample receiving region, analyte detection region and end region all made...
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6365104 |
Assembly for analyzing blood samples
An improved system can be used to examine a centrifuged sample of anticoagulated whole blood for evidence of blood borne rare events such as: circulating cancer cells; malarial parasites; other...
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6350613 |
Determination of white blood cell differential and reticulocyte counts
Target nucleated cells, and target cells containing remnant ribosomal material, which are present in a quiescent anticoagulated whole blood sample are optically detected, enumerated, and analyzed...
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6350616 |
Method of manufacturing a device for assay of liquid sample
A device for assay of a liquid sample. The device comprises: a support composed of an organic macromolecule, said support having a surface divided into two areas located adjacent to each other; a...
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6346417 |
Sterilization monitors
A sterilization monitor includes a substrate and an monitor composition. The monitor composition contains a colorant and a halogen source and undergoes a distinct color change when exposed to a...
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6344333 |
Reagent-free immunoassay monitoring electrode assembly
The present invention relates to an apparatus to perform reagent-free assays, which apparatus utilizes an all solid probe having an enzyme label that acts on a substrate by obtaining electrons...
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6340590 |
Verification of thermal sterilization
Thermal sterilization indicator process, apparatus and test indicator product which enable indication of microbial sterility achieved during a thermal sterilizer cycle by measuring visible light...
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6337211 |
System and a method for detecting antifreezing substances in a hermetic compressor
The invention relates to a system and a method for detecting antifreezing substances in a hermetic compressor.
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6335205 |
Method and test strip for determining an analyte
The invention concerns a method for the immunological determination of an analyte on a chromatographic test strip containing one or several absorbent matrices on a carrier material which are in...
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6331441 |
Multiplexed molecular analysis apparatus and method
A method and apparatus for analyzing molecular structures within a sample substance using an array having a plurality of test sites upon which the sample substance is applied. The invention is also...
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6328931 |
Analyte collection and assaying assembly
Swabbing and assaying structures, and selected methods of use, enable a test surface to be swabbed, and subsequently facilitate a quantitative determination of the quantities of analyte collected...
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6329207 |
Wet chemical indicator for the evaluation of peracetic acid chemistries
A wet chemical indicator for peracetic acid solutions includes an indicator for peracetic acid and an inhibitor. The inhibitor is selected to inhibit a selected peracetic acid concentration in a...
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6325975 |
Suction generating device and sample analysis apparatus using the same
A suction generating device for a sample analysis device is provided. The device comprises four parts, namely, a cover plate 61, a middle plate 62, a bottom plate 63 and an operation plate 64. A...
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6325974 |
Package for decayable foodstuffs
Package (1) for decayable foodstuffs (2), consisting of a package material (3) and forming a mainly closed package space (4) and a mainly closed indicator space (5) for an indicator (6). The...
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6326214 |
Immunity testing device
An immunity testing device formed of a thin sheet of material folded to three portions, and the two end portions; named "front cover"0 and "back cover"; fold back to different sides of the center...
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6319719 |
Capillary hematocrit separation structure and method
A capillary hematocrit separation structure is included within a housing having a fluid inlet port, a reaction region, and a capillary pathway connecting the inlet port and the reaction region. The...
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6319466 |
Test device for detecting the presence of a residue analyte in a sample
A test device for detecting the presence of a residue analyte in a sample includes a support strip and a sample-absorbing matrix attached to the support strip. The sample-absorbing matrix has a...
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6319705 |
Microchip device for electrophoresis
A microchip device for electrophoresis includes not only a microchip having a separation flow route for separating a sample electrophoretically and an electrical power source for applying a...
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6319665 |
Home test kit and method with telephone verification of results
Self-testing for a disease or physiological condition is achieved by having the individual being tested obtain a sample of physiological fluid, e.g., blood, urine, sputum or saliva, from him or...
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6319467 |
Allergy test strip
A single allergy test strip is used in determining if a person has allergic reactions to allergens. A perforated layer of non-allergenic material has an adhesive layer on a back side thereof. The...
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6309890 |
Locking structure for securing a fluid transfer tube
A test sample card is provided with a locking feature for achieving a positive, locking engagement with a transfer tube that conducts fluid into the interior of the test sample card. The locking...
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6309607 |
Slide staining system
A slide staining system has a slide holder assembly comprising a plurality of slide holders 3 each holding a slide 2. The holders are mounted rotatably with respect to each other and can rotate...
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6306665 |
Covalent bonding of molecules to an activated solid phase material
Microporous solid phase materials that are suitable for lateral flow and other assays for detecting the presence of analytes in test samples, that are stable under variations in humidity and, even...
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6303389 |
Rapid flow-through binding assay apparatus and method therefor
The invention includes assay cassettes that can be employed during rapid flow-through binding assays. The assay cassettes can be disposable units suitable for one-time use and readily assembled to...
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6299838 |
Test apparatus for assaying a component in a liquid sample
A test apparatus for assaying a component in a liquid sample by measuring a reflected light, comprising a support having a through hole or a light permeable area, a reagent layer having a detecting...
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6299839 |
System and methods for performing rotor assays
An analytical system comprises a frame and movable carriage. An analytical rotor is mounted on the carriage and can be translated among a sample dispensing station, a fluid dispensing station, and...
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6297060 |
Assay devices comprising a porous capture membrane in fluid-withdrawing contact with a nonabsorbent capillary network
Devices for use in heterogeneous ligand-receptor assays, having a porous member in contact with a nonabsorbent textured surface, where the surface texturing is such that a capillary network is...
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6291249 |
Method using an apparatus for separation of biological fluids
A cell containing sample is separated into a cell containing portion and a substantially cell depleted portion, by mixing the sample with particles to produce a cell containing network, and...
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