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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...