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7625763 |
Rapid diagnostic test systems and methods
A rapid diagnostic test system includes a lateral-flow strip for performing a binding assay. The lateral-flow strip contains a binding agent having a deposition density that varies periodically...
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7622075 |
Films for detecting fluoride
A film for detecting fluoride concentrations is disclosed. The film includes an organic matrix having a lipophilic aluminum compound incorporated therein. The lipophilic aluminum compound is...
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7619053 |
Monomer solution for producing polycarbonate
A non-reactive monomer mixture has a monomer component dispersed in a melted diaryl carbonate. The monomer component has one or more monomer compounds having a melting point below the melting point...
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7618810 |
Metering strip and method for lateral flow assay devices
A diagnostic method and associated test kit for detecting an analyte residing in a test sample is provided. The kit includes a housing, and a membrane disposed within the housing having a detection...
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7615605 |
Monomer solution for producing polycarbonate
A non-reactive monomer mixture contains a monomer component and a diaryl carbonate dispersed in the mixture. The monomer component includes one or more monomer compounds having a melting point...
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7615218 |
Methods for determining and lowering caffeine concentration in fluids
Single-chain, camelized heavy chain antibodies immunospecific for caffeine and stable at high temperatures are useful for analysis and recovery of caffeine in or from fluids. A device that provides...
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7611670 |
Quantitative analysis of a biological sample of unknown quantity
Disclosed is a method for testing a modified specimen such as a dried blood spot, plasma or serum specimen, for an analyte of interest, such as cholesterol. In accordance with the disclosed subject...
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7611668 |
Marker paint
A marker paint comprises 42 wt % to 52 wt % pigment, 31 wt % to 37 wt % acrylic resin and 17 wt % to 21 wt % silicone resin excluding solvent. The pigment comprises cobalt titanium oxide, titanium...
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7608466 |
Process and device for producing reagent carriers
The invention concerns a process for producing reagent carriers having a binding capability that are suitable for determining analytes in liquids, wherein the process comprises at least one step of...
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7605004 |
Test strip for a lateral flow assay for a sample containing whole cells
A test strip for conducting a lateral flow assay for detection of an analyte in a sample that contains cells and fluid is provided, as well as methods for making and using the test strip. This test...
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7604997 |
Wipes and methods for removal of metal contamination from surfaces
Wipes, methods and kits useful for testing and/or removal of metal from surfaces (such as, dermal surfaces) are disclosed. Exemplar wipes, including the combination of a three-dimensionally...
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7604776 |
Sample-liquid analysis disc and method for analyzing sample mixture liquid
A reaction of a sample mixture liquid is detected accurately, by allowing a solid reagent to be dissolved and reacted in a liquid sample quickly and accurately. A disc main body, and at least one...
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7601794 |
Monomer solution for producing polycarbonate
A non-reactive monomer mixture is formed from a dihydroxy component having one or more dihydroxy compounds dissolved in a melted diaryl carbonate. The dihydroxy component has less than 600 ppb...
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7598090 |
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...
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7598087 |
Protein imprinted polymers with integrated emission sites
This invention provides protein or polypeptide imprinted polymers with integrated emission sites (PIPIES) for detecting the presence of a protein or polypeptide analyte comprising templated sites...
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7597849 |
Evidence collection holder for sample automation
A device and method of securing the original biological specimen collection absorbent within a holder to permit use of the absorbent within automatic specimen analysis devices and to permit...
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7595196 |
Lateral flow assay devices with inhibiting backflow of the sample and methods of use
The present invention is directed novel lateral flow devices for analyzing liquid samples. The devices contain chemical test strips and are useful for testing liquids for physical properties, such...
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7592184 |
Ammonia detection and measurement device
There is disclosed an apparatus and method for detecting and measuring volatile acidic or basic components including ammonia, ammonium, or volatile amines (compound) in a gas or liquid state fluid....
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7592181 |
Occult blood testing device
A self-contained system for testing for the presence of occult blood in a specimen has been provided. The system includes a housing holding a test element and a container for releasing a developing...
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7591978 |
Solid phase test device for sialidase assay
A solid-phase test device and a method for the detection of sialidase activity in a fluid sample. The test device includes a solid support provided with a pre-deposited dry form of a sialidase...
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7587793 |
Evidence collection holder and storage method
A device and method of securing the original biological specimen collection absorbent within a holder to permit use of the absorbent within automatic specimen analysis devices and to permit...
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7582484 |
High-density lipoprotein assay device and method
An assay device and method for measuring the concentration of HDL-associated cholesterol in a blood-fluid sample are described. The assay design is such that removal of non-HDL lipoproteins from a...
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7578971 |
Rapid-response reversible dry surface CO2 detector
Compositions for CO 2 detector solutions and rapid-response reversible dry surface CO 2 detectors made from them are disclosed. The CO 2 detector solutions generally comprise a poly(oxyethylene)...
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7575915 |
Biosensor
A biosensor is provided with a development layer for developing an inspection target solution, that has a reagent immobilization part where an antibody for a measurement target in the inspection...
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7575717 |
Assay device for evaluating entrainable substances
Diagnostic testing apparatus for evaluating entrainable substances (e.g. for determining allergen activity in house dust), comprising a housing for collection and testing of entrainable substances,...
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7569397 |
Immunoassay devices and use thereof
An immunoassay device has a housing defining a first opening for receiving a solution and a second opening through which a liquid sample is deposited, a strip of sorbent material having a test site...
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7569359 |
Indicator device having an active agent encapsulated in an electrospun nanofiber
An indicator device for determining the efficacy of an antimicrobial treatment process. The indicator device includes an active agent encapsulated in an encapsulation component. The encapsulation...
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7563621 |
Absorbing organic reagents into diagnostic test devices by formation of amine salt complexes
A method of applying an organic acid reagent having limited transolubility in organic solvents, aqueous solvents, and mixtures thereof to a component of a diagnostic test device by mixing an...
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7560272 |
Specimen collection and assay container
The present invention includes but is not limited to a specimen collection device that includes a chamber capable of collecting a specimen, a specimen passage slot, a reservoir, a reservoir seal,...
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7556769 |
Fecal occult test packaging
A specimen testing device having a folding top having a top inside and a top outside; a back portion having at least one flap opening, the back portion in folding communication with the folding...
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7553458 |
Alcohol sensor using the work function measurement principle
An alcohol sensor having gas-sensitive layers made of polymers or inorganic oxides wherein a signal is read out by means of work function change which is produced in the form of a field-effect...
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7549323 |
Diagnostic test strip for collecting and detecting an analyte in a fluid sample and method for using the same
A system and method for determining the concentration of an analyte in a fluid sample includes a test strip having a first and second portion separated by a bend line formed in the base. The bend...
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7547557 |
Directed-flow assay device
A diagnostic assay device that directs an applied sample to the analytical membrane of a directed flow device. The device has a sample receiving port defined by layers of built-up material on one...
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7544517 |
Stabilized reagent, apparatus and method for measuring cyanuric acid
Reagents for determining presence or concentration of cyanuric acid are described. The reagents include an indicator, a 2,4-diamino-6-alkyl-1,3,5-triazine, caffeine, which acts as a stabilizer, and...
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7544324 |
Rapid sample analysis storage devices and methods of use
The present invention provides test devices for detecting an analyte suspected of being present in a liquid sample. The devices contain a reservoir compartment, a test compartment, and a port for a...
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7541177 |
Methods for identifying pathological conditions in a female subject
A method for identifying physiological conditions associated with a biological fluid secreted from a person, by providing a secretion-monitoring article of a body that includes an absorbent...
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7537937 |
Lateral flow assay device
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...
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7537733 |
System for automatically testing a fluid specimen
A system for automatically testing a fluid specimen, e.g., urine, to indicate the presence of specified chemical components in the specimen. The system preferably utilizes an assaying device...
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7534624 |
Method and apparatus for assay in utilizing attenuated total reflection, and sample immobilizing device
A sensor unit for assay in utilizing surface plasmon resonance (SPR) includes a dielectric prism. Metal film has a light entrance surface fitted on the prism, and a sensing surface reverse to the...
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7527981 |
Bioweapon-detecting fibrous-network products and methods for making same
Methods are disclosed for producing a bioweapon-sensitive fibrous-network product, wherein the subject products exhibit a color change in response to exposure to a biological agent (or portion...
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7527765 |
Consumer food testing device
A food testing device for testing for the presence of harmful contaminants in a food sample, includes a vessel adapted for holding a liquefied food sample, a liquefier operatively associated with...
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7524462 |
Capillary flow for a heterogenous assay in a micro-channel environment
Apparatus and methods consistent with certain principles related to the present invention include a first channel, where a fluid flows through the first channel, where the first channel comprises...
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7521260 |
Assay test strips and reading same
An assay test strip includes a flow path, a sample receiving zone, a label, a detection zone that includes a region of interest, and at least one position marker. The at least one position marker...
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7521259 |
Assay test strips with multiple labels and reading same
In one aspect, an assay test strip includes a test label that specifically binds a target analyte and a control label that is free of any specific binding affinity for the target analyte and has a...
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7517691 |
Device for and method of testing occult blood in feces
The presence of occult blood in feces is detected using device including a liquid tight packet containing a sheet of absorbent material impregnated with a liquid solution that reacts with feces to...
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7514262 |
Plural intrinsic expiration initiation application indicators
A device and method for monitoring the expiration of goods includes a substrate, a coating of polydiacetylene, said coating having properties of (1) changing from a first color irreversibly to a...
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7507550 |
Analytical sandwich test for determining NT-proBNP
The present invention concerns an immunological test for determining NT-proBNP comprising at least two antibodies to NT-proBNP, wherein at least one of the antibodies to NT-proBNP is a monoclonal...
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7507469 |
Multi-layer coated porous materials and methods of making the same
Multi-layer coated materials and methods of making them are disclosed. In a specific embodiment, a porous polymeric substrate is pre-activated and immersed in a polyelectrolyte solution to form a...
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7507373 |
Assay device for the testing of fluid samples
An assay device for testing of liquid samples for drugs of abuse has a transparent container for retaining a liquid sample. A backing member is within the container and is curved so that its front...
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7501093 |
Vial for test strips
A diagnostic test strip vial has a container, a lid, and a plurality of diagnostic test strips. The container has a generally annular wall terminating at a base and at an open mouth. The lid has a...
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