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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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7625760 |
Analyzing cartridge and liquid feed control device
An analyzing cartridge and method for using it to analyze a sample having a plurality of reservoirs and capillaries connected for communication between these reservoirs and is provided therein with...
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7622076 |
Microfluidic analysis system
A microfluidic analysis system ( 1 ) performs polymerase chain reaction (PCR) analysis on a bio sample. In a centrifuge ( 6 ) the sample is separated into DNA and RNA constituents. The vortex is...
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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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7615189 |
Analyte accumulation device
A device for accumulation of vapor analytes incorporating nanotubes grown by CVD is described. The devices are used in sensors and as a preconcentrator for a gas chromatograph.
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7611669 |
Assay device
The invention provides an assay device for quantification or detection of the presence or absence of an analyte in a liquid sample, comprising a molding ( 1 ) permanently or removably attached to a...
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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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7608463 |
Enhanced waveguide and method
An optical assay apparatus having an optical filter, an optical sensor with a light ray redirection portion and an assay sensing portion, and a filter to block certain wavelengths of excitation...
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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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7604775 |
Fluid collecting and monitoring device
A device that is intended for the sampling of fluids, comprises a base and a lid. Between the base and the lid there is provided an opening and a first open-sided channel extending from the opening...
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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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7601299 |
System and method for coding information on a biosensor test strip
The present invention provides a test strip for measuring a concentration of an analyte of interest in a biological fluid, wherein the test strip may be encoded with information that can be read by...
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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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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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7595170 |
Apparatus and method for measuring concentrations of molecules through a barrier
An apparatus and method for detecting the presence and measuring the concentrations of molecules through a barrier and/or at a distance utilizes the principle of chemical/electrostatic attraction...
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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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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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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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7566421 |
Encapsulated sorbent tube
An encapsulated sorbent tube includes a sampling sorbent tube having an open end and containing a sorbent material therein enclosed within an independent encapsulation element that has a body...
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7563623 |
Biosensor
It is an object of the present invention to provide a biosensor on which a large amount of protein can be immobilized and nonspecific adsorption is less likely to occur with the use of a SAM...
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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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7553675 |
Diagnostic assay device having an apparent non-signal line
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...
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7550290 |
Sensor
In order to realize a sensor that is capable of promptly and accurately supplying a small amount of a liquid sample to a filtration part even if the sensor is not held substantially horizontally,...
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7547552 |
Indication composition for surgical instrument cleaning evaluation
The present invention provides an indicator composition for evaluating cleaning of a medical instrument that includes an extracellular matrix component and hemoglobin, as a contamination model...
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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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7544504 |
Diagnostic methods
The present invention relates to novel methods for the diagnosis of Helicobacter pylori infection. Specifically, the present invention relates to novel non-invasive methods for the detection of...
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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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7534578 |
Self-referencing biodetection method and patterned bioassays
The invention relates to compositions and methods for detecting biomolecular interactions. The detection can occur without the use of labels and can be done in a high-throughput manner. The...
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7531359 |
Cavitands for chemical vapor sensing
The chemical compound:
Each R 1 is H or CH 3 . A device for detecting an analyte having: a substrate; a film on the substrate, a flow cell for delivering air containing the analyte to the film,...
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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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7524625 |
Real time binding analysis of antigens on a biosensor surface
The invention provides methods for detecting interactions between phage and antigen or antigen and antibody using biosensors.
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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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7524455 |
Methods for deposition of sensor regions onto optical storage media substrates and resulting devices
Methods for applying sensor materials to optical storage media substrates are disclosed. After exposure to a sample of interest, the resulting sensors may be read in optical storage media drives...
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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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7521243 |
Enumeration of white blood cells
A sample acquiring device for volumetric enumeration of white blood cells in a blood sample that includes a measurement cavity for receiving a blood sample. The measurement cavity has a...
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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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7510882 |
Method and biosensor for analysis
In a method for analysis biomolecules ( 3 ) attached to a solid surface of a substrate ( 1 ) are used for detecting the presence of analytes ( 4 ) in a sample by binding of the analytes to the...
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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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7491551 |
Quantitative lateral flow assays and devices
This invention provides solid phase specific binding lateral flow assay methods, devices and kits for quantitating high and low molecular weight analytes. The methods and devices of the invention...
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7481975 |
Hydrogen peroxide indicator and method
The present invention provides a hydrogen peroxide indicator that includes a substrate on which is disposed an indicator composition that includes at least one of a select group of colorants. As a...
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