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Class 435/970 - TEST STRIP OR TEST SLIDE


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter involving the use of a test strip or slide
No. of patents: 568
Last issue date: 09/23/2008


1                      
NumberTitleIssue Date
7427511Immunochromatographic test device
An immunochromatographic test device of the present invention comprises: a sample receiving member for receiving a sample; a label holding member for holding a labeling substance to bind to an analyte contained in the sample; and a chromatographic membrane having a ...
09/23/2008
7416839“Prionins”, highly specific markers for noninvasive presymptomatic detection of TSE diseases, and targets for therapeutic reagents to prevent and control TSE diseases in animals and humans
Proteins expressed from within the prion protein genes of all animals and humans, “prionins”, against which reagents can be prepared for accurate pre-symptomatic diagnosis, for detecting latent TSE, for detecting TSE contamination of food, blood and blood produc...
08/26/2008
7407813Assays
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...
08/05/2008
7405084Analytical method using particles and test kit for performing the method
A method for use in a flow matrix, which utilizes biospecific affinity reactions to detect an analyte in the sample, and which comprises allowing the sample comprising the analyte and an analytically detectable reactant (Reactant*) to migrate through flow channels i...
07/29/2008
7390674Lateral 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
7387890Immunoassay 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 with immobilized antigen or antibody for the ligand to be tested, an...
06/17/2008
7384796Assays
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...
06/10/2008
7378285Devices for the detection of multiple analytes in a sample
The present invention relates generally to an assay for detecting and differentiating multiple analytes, if present, in a single fluid sample, including devices and methods therefore. ...
05/27/2008
7374950Immunoassay device for diagnosing congestive heart failure and predicting mortality in congestive heart failure patients
An immunochemical assay device for determining the presence of NT-proBNP alone or conjunctively with Cardiac Troponin I comprising a base member, an array disposed on the base member, and at least one assay indicia zone. The array comprises (i) a reservoir pad to re...
05/20/2008
7371583Apparatus and method for analyte detection
Disclosed is a testing device and methods for the identification of an analyte of interest in a sample. In a preferred embodiment, the testing device includes a front panel having at least one sample application aperture; a rear panel having at least one solvent app...
05/13/2008
7358099Process for (A) separating biological/ligands from dilute solutions and (B) conducting an immunochromatographic assay thereof employing superparamagnetic particles throughout
Superparamagnetic (“SPM”) subunits of 1–30 nm average mean diameter (e.g. ferro fluid) subparticles are treated with a magnetically noninterfering substance capable of coating and covering them (e.g, BSA) and they spontaneously form agglomerates of about 100 n...
04/15/2008
7354776Method of processing and testing powdered samples using immunochromatographic strip tests
A method and kit for processing and testing powdered samples are provided herein. The powdered sample is combined with a fluid to produce a slurry or liquid suspension, and the slurry is contacted with an immunochromatographic test strip containing detectable reagen...
04/08/2008
7354614Diagnostic device
A diagnostic device 1 for performing an immunochromatographic analysis of a sample is disclosed. The diagnostic device 1 comprises a porous substrate 10 for performing the analysis and a pre-filter 30 to remove solid components, such as s...
04/08/2008
7344893Immuno-gold lateral flow assay
A chromatographic lateral-flow assay system for rapid, high sensitivity method of detecting low levels of ligands in body fluids, with few false positives and few false negatives. The lateral-flow assay may have a membrane strip in ribbon form, which increases detec...
03/18/2008
7326578Urine assay for ovarian reserve
It has been found that a urine test for ovarian reserve can be provided which is equivalent in sensitivity to current laboratory methods which determine ovarian reserve based on FSH levels in serum. A lateral flow device for indicating ovarian reserve is disclosed. ...
02/05/2008
7320867Linker compound, ligand, and producing method thereof
A linker compound has a structure represented by general formula (1) below, where n is an integer of 1 to 6, and X has a structure serving as a multi-branched structure moiety including three or four hydrocarbon derivative chains each having an aromatic amino group ...
01/22/2008
7319032Non-sugar sweeteners for use in test devices
The present invention provides methods, compositions, and kits for rapid detection of analytes in a sample. Surprisingly, it has been found that bulking materials having non-sugar sweeteners effectively enhance chromatographic detection methods by providing componen...
01/15/2008
7314763Fluidics-based assay devices
A fluidics-based assay device for detecting the presence or quantity of an analyte residing in a test sample is provided. The device utilizes a self-calibrated magnetic binding assay format (e.g., sandwich, competitive, etc.) that includes detection probes capable o...
01/01/2008
7309611Prewetting stop flow test strip
A test strip and method for detecting an analyte present in a sample. The test strip comprising: a buffer addition zone to which a buffer may be added; an absorbent zone proximal to the buffer addition zone; one or more test zones distal to the buffer addition zone,...
12/18/2007
7303923Biochemical and immunochemical assay device
We describe an assay device which comprises (a) a substrate comprising: (i) a porous material capable of chromatographically transporting a liquid and (ii) one or more test reagents for an assay provided on the porous material; and (b) a water-impermeable coating po...
12/04/2007
7294502Device for collecting liquid samples
The invention relates to a device for collecting samples of fluids, in particular of body fluids such as saliva, said device comprising an absorbent pad and two housing parts which are connected to the latter in a movable manner and can enclose the absorbent pad. Th...
11/13/2007
7285426Bulking materials containing starch reagent for use in test devices
The present invention provides methods, compositions, and kits for rapid detection of analytes in a sample. Surprisingly, it has been found that bulking materials having starch reagents effectively enhance chromatographic detection methods by providing component sta...
10/23/2007
7285424Membrane-based assay devices
A membrane-based assay device for detecting the presence or quantity of an analyte residing in a test sample is provided. The device utilizes a self-calibrated magnetic binding assay format (e.g., sandwich, competitive, etc.) that includes detection probes capable o...
10/23/2007
7285425Assay test system for regulating temperature
A device for evaluating at least one analyte in a test sample. The device comprises a cassette having a hollow test chamber, a test strip disposed within the test chamber for receiving the test sample, and a temperature control member. The cassette has at least one ...
10/23/2007
7270995Analyzing device
The present invention is an analytical device which comprises a porous piece assembly consisting of a liquid reagent-receiving porous piece (1), a labeled substance-retaining piece (2), a test piece (3) comprising a detection site (4) and...
09/18/2007
7267992Method for the determination of an analyte in a liquid
A method is provided to determine the presence of an analyte in a sample. The method provides an element with a sample application zone, a detection zone, a zone containing immobilized analyte or analyte analogue, a conjugate that has a first bioaffine binding partn...
09/11/2007
RE39816Conjunctive 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
7255998High sensitivity immunoassay method
A method for detecting a cytokine in a biological fluid sample with a high sensitivity is provided. A time-resolved fluoroimmunoassay (TR-FIA) method including a step of forming on a solid phase a composite in which a cytokine is captured and which includes a fluore...
08/14/2007
7250308Capture assay utilising a particulate analyte
Device (1) for assaying a particulate analyte, comprising (a) a receptacle (2) for receiving a suspension (5) of particulate analyte, and containing label (3) for the particulate analyte, and (b) a porous detection material (4) tha...
07/31/2007
7238537Assays
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
7238538Chromatographic assay device and methods
A chromatographic assay device for the analysis of an analyte in a liquid sample has a proximal sample application zone and a distal test zone. The test zone contains a first ligand capable of binding with the analyte to form an analyte-ligand complex. The device al...
07/03/2007
7238519Automated immunoassay cassette, apparatus and method
An immunoassay cassette, apparatus, and method for detecting an analyte in a liquid body-fluid sample are disclosed. The cassette has a body and a support mounted on the body, for movement relative to the body to first and second transfer positions. Sample supplied ...
07/03/2007
7229839Bidirectional lateral flow test strip and method
A test strip adapted to receive a sample and detect an analyte therein is provided. The test strip comprises a sample addition zone to which a sample may be added; an absorbent zone proximal to the sample addition zone; one or more test zones distal to the sample ad...
06/12/2007
RE39664Lateral flow chromatographic binding assay device
The present invention relates to improved specific binding assay devices comprising a chromatographic medium including a reaction site at which a specific binding reagent is immobilized, a sample application well located adjacent to the chromatographic medium and of...
05/29/2007
7220595Automated immunoassay cassette, apparatus and method
An immunoassay cassette, apparatus, and method for detecting an analyte in a liquid body-fluid sample are disclosed. The cassette has a body and a support mounted on the body, for movement toward and away from a sample transfer position. Sample supplied to a sample ...
05/22/2007
7214531Pressure transduced chemical assay and method
An assay system has a chamber that receives a test strip onto which a sample comprising an analyte has been placed. The chamber is in gaseous communication with a piezoelectric material that generates an electrical signal in response to a pressure change in the cham...
05/08/2007
7195923Ratiometric determination of glycated protein
The present invention provides methods for determining a ratio of an amount of a glycated form of a protein to a total amount of the protein in a sample containing the glycated protein, the glycosylated protein, or the glycoprotein. The method incorporates lateral f...
03/27/2007
7195924Method for immobilizing a biomolecule on a solid substrate at a high density by using the substrate having an activated carboxyl group on a surface thereof and microarray produced using the method
Provided is a method for immobilizing a biomolecule on a solid substrate. The method includes coating the solid substrate with silane anhydride to introduce an anhydride functional group onto a surface of the solid substrate; obtaining a carboxyl group from the anhy...
03/27/2007
7183067Versatile linker compound, ligand, and producing method thereof
A versatile linker compound has a structure represented by following general formula (1), wherein Y has a structure represented by O or NH, and X has a structure serving as a multi-branched moiety including four hydrocarbon derivative chains each of which has an aro...
02/27/2007
7179640Method and apparatus for detecting conception in animals
The present invention provides antibodies which specifically bind early conception factor, which can be found in body fluids of animals including but not limited to the cow, cat, dog, horse, human, sheep, and pig. The invention provides methods for detecting concept...
02/20/2007
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