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Class 436/808 - Automated or kit


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Art collection under 807 in which the apparatus is self-operated
No. of patents: 839
Last issue date: 08/16/2011


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NumberTitleIssue Date
5288463Positive flow control in an unvented container
A containment device, such as a cuvette, for use in amplifying and detecting nucleic acid material at a contained detection site. A waste compartment provided downstream from the detection site is provided with fold lines that give the compartment a bi-st...
02/22/1994
5283342Biotinylated small molecules
Methods, compounds, compositions and kits that relate to pretargeted delivery of diagnostic and therapeutic agents are disclosed. In particular, methods for radiometal labeling of biotin and for improved radiohalogenation of biotin, as well as related com...
02/01/1994
5272260Reagents and methods for the determination of glycohydrolytic enzymes
Novel pyrene-trisulfonate derivatives and the use thereof in a method for the determination of glycohydrolytic enzyme activity are provided. The method comprises the steps of (a) forming a test solution comprising a test sample containing the glycohydroly...
12/21/1993
5270210Capacitive sensing system and wash/alignment station for a chemical analyzer
The automatic chemical analyzer includes a turntable adapted to hold a plurality of disposable cuvettes. An optical system adjacent to the turntable can perform tests on the contents of each cuvette as they are rotated on the turntable. A sample/reagent t...
12/14/1993
5254315Carrier device
An analytical carrier device permits the holding of a sample, reaction vessel with reagents for the sample, and a container for receiving a processed sample. The container facilitates transfer to an analytical device for analysis....
10/19/1993
5254459Nucleotide and amino acid sequences of protein MTP40 of M. tuberculosis and synthetic peptides derived therefrom
The present invention relates to novel chemically synthesized nucleotides and novel chemically synthesized peptides which have been found to be effective in assaying for the presence of M. tuberculosis....
10/19/1993
5252459Indicator reagents, diagnostic assays and test kits employing organic polymer latex particles
An indicator reagent, assay method and test kit for determining the presence or amount of an analyte in a test sample, in which the indicator reagent is formed by attaching an organic polymer latex particle, preferably a colored particle, to a specific bi...
10/12/1993
5248590Surface modified liposomes
A liposome reagent encapsulating a molecule to be targeted to a body site or used as an assay reporter has a ligand and a sulfonate-containing group on the liposome surface. Preferred ligands are antibodies or antibody fragments and preferred encapsulants...
09/28/1993
5234813Method and device for metering of fluid samples and detection of analytes therein
An analytical device for fluid samples includes a fluid sample well means connected to a sample initiation area in such a fashion that the assay will not commence unless sufficient sample is introduced into the sample well means to conduct the assay. Once...
08/10/1993
5225326One step in situ hybridization assay
A quantitative, sensitive, One-Step In Situ hybridization assay is provided which will detect as few as 1-5 copies of target biopolymer per cell and may be accomplished in 5 minutes to 4 hours. There is provided a simultaneous assay for detecting multiple...
07/06/1993
5221628Binding of aggregated immunoglobulin or immune complexes by serum amyloid P component
A method of binding aggregated immunoglobulin or immune complexes comprising contacting them with serum amyloid P component ("SAP"). The invention also comprises methods of using SAP to detect or quantitate immune complexes and to deplete fluids of aggreg...
06/22/1993
5221613Immunoassay process and liquid reagents used therefor
A combination of reagents including (i) a first liquid containing (a) first microcapsules having an analyte immobilized on surfaces thereof and containing a marker therein and (b) microcapsules encapsulating an antibody and having different capsule walls ...
06/22/1993
5215882Method of immobilizing nucleic acid on a solid surface for use in nucleic acid hybridization assays
Methods of immobilizing nucleic acid on a solid surface for us in nucleic acid hybridization assays is disclosed. The methods of the invention comprise reacting a modified nucleic acid strand comprising a variable portion and an anchor portion wherein the...
06/01/1993
5212065Rapid assay device
A rapid immunoassay device comprising a single porous membrane that serves as both a reagent support and a spent reagent reservoir is disclosed. The immunoassay device directs the flow of sample and reagents within the device in a manner that eliminates b...
05/18/1993
5212060Dry test strip comprising a dextran barrier for excluding erythrocytes
A dry test strip for the detection of an analyte in a test fluid is disclosed. The test strip comprises a porous detection zone containing a reactant system that can generate a signal in the presence of an analyte. The detection zone further comprises dex...
05/18/1993
5208166Reactive chitosan coated articles and test kit for immunoassay
A reagent coating material has been developed to modify the surface of articles used in assay procedures. Polymers of chitosan solubilized with an organic acid form into thin films when contacted to glass, plastic, metal or cellulose articles. The coated ...
05/04/1993
5207918Column analyzer system
An analyzer system for automatic column chromatography, and method for its use, includes an array of chromatograph columns and multi-cell cuvettes associated with each column. Chromatographic separation takes place under a constant, low fluid pressure. A ...
05/04/1993
5200321Microassay on a card
A microassay card for a includes an upper layer containing wells for receiving a liquid sample. A second layer of the card, beneath the first layer, includes a supporting surface bound to a reactive species. A third layer includes a superabsorbent support...
04/06/1993
5200313Nucleic acid hybridization assay employing detectable anti-hybrid antibodies
A nucleic acid hybridization assay employing an immobilized or immobilizable polynucleotide probe selected to form DNA.RNA or RNA.RNA hybrids with the particular polynucleotide sequence to be determined. Resulting hybrids are detected by binding of an ant...
04/06/1993
5192694Anti-PCI monoclonal antibody
A monoclonal antibody specific to a human placenta-derived coagulation inhibitor is disclosed. The antibody is produced by culturing a hybridoma which secretes it. A human placenta-derived coagulation inhibitor can be purified by using the monoclonal anti...
03/09/1993
5185128Test kit containing labeled receptor and wash solution for determination of an immunological ligand
A test kit useful for the determination of an immunological ligand includes a labeled receptor for that ligand, a specific wash solution and a test device. The wash solution is buffered to a pH of from about 5 to about 9 and contains at least 0.01 weight ...
02/09/1993
5182264Angiotensin II receptor blockers as antiglaucoma agents
A method and composition for reducing and/or controlling elevated intraocular pressure, especially the elevated intraocular pressure associated with glaucoma, are disclosed in which an angiotensin II antagonist is administered to the eye....
01/26/1993
5182191Occult blood sampling device and assay
The invention provides a disposable device for collecting, transporting and storing semi-solid or liquid specimens prior to analysis. A sample of the collected specimen is removed from the device for analysis by means of a detachable transferring stick, o...
01/26/1993
5173433Method for chemical analysis
A chemical analysis test device for detection of a selected chemical in a biological fluid is disclosed wherein the test is preformed on a rigid base containing a detection well for holding a reagent and a specimen well for holding a sample of the biologi...
12/22/1992
5171695Determination of analyte concentration using two labelling markers
In order to measure the concentration of an analyte in a liquid sample the sample is contacted with a receptor molecule having binding sites for the analyte and labelled with a first marker, whereby a fraction of the binding sites on the receptor molecule...
12/15/1992
5169599Method and apparatus for optically detecting presence of immunological components
An optical immunosensing device for detecting the presence of an analyte in a liquid sample is fabricated by coating iron phosphate onto a silicon substrate and then etching the iron phosphate layer to obtain steps of varying thickness. Then, a first mip,...
12/08/1992
5167925Precipitation of multivalent antiligands with affinity surfactants
Surfactants bound to a ligand and dissolved in a single phase aqueous solution form a precipitate when a multivalent antiligand is added to the solution. This invention can be used in an affinity precipitation test procedure (and kit) for detecting the pr...
12/01/1992
5162236Method of performing nephelometric analysis with independent temperature control of the reaction cuvette and reagent reservior
A system for analyzing a chemical reaction provides control of the temperature and volume of the reagents to improve the accuracy and precision in quantitative measurements of specific proteins and other immunochemistries in body fluids. The reaction occu...
11/10/1992
5162202Rectal mucus test and kit for detecting cancerous and precancerous conditions
An improved rectal mucus screening test method and kit for cancerous and precancerous conditions which is rapid, employs reagents which can be provided in kit form and which does not give false negatives due to sampling error, immobilizes the mucus sample...
11/10/1992
5162237Reaction cassette for preforming sequential analytical assays by noncentrifugal and noncapillary manipulations
Analytical reaction cassette and method for performing sequential analytical assay procedures to determine the amount of an analyte in a liquid test mixture. The reaction cassette can be in the form of a substantially square container having a substantial...
11/10/1992
5160723Method of imaging colorectal carcinoma lesion and composition for use therein
This invention provides a method of imaging a colorectal carcinoma lesion in a human patient which comprises administering to the patient a monoclonal antibody capable of binding to a cell surface antigen associated with the coloretal carcinoma lesion and...
11/03/1992
5156948Method and kit for diagnosis of diseases
An improved simplified enzyme-linked immunosorbent assay (ELISA) for the diagnosis of viral, fungal, bacterial and parasitic diseases. The diagnostic test is designed for use in non-laboratory settings where the usual equipment and supplies, including run...
10/20/1992
5155022Assay for lyme disease
Diagnosis of Lyme disease by immunoassay for anti-Borrelia burgdorferi antibodies in the serum of a patient includes adsorption of crossreactive antibodies in the serum with antigen of Acinetobacter calcoaceticus or Treponema phagedensis prior to binding ...
10/13/1992
5154888Automatic sealing closure means for closing off a passage in a flexible cuvette
There are described a cuvette and a method for sealing off flow such as flow in a passageway from an access port in the cuvette with a closure, that ensures a complete seal merely by applying the closure. The cuvette is improved in that it has the closure...
10/13/1992
5149630Methods of assay
An electrochemical specific binding assay of a ligand (e.g., antigen, hapten or antibody) wherein at least one of the components is enzyme-labelled, and which includes the step of determining the extent to which the transfer of electrons between the enzym...
09/22/1992
5149625Multiplex analysis of DNA
This invention features vectors and a method for sequencing DNA. The method includes the steps of: a) ligating the DNA into a vector comprising a tag sequence, the tag sequence includes at least 15 bases, wherein the tag sequence will not hybridize to the...
09/22/1992
5149505Diagnostic testing device
A diagnostic testing device is disclosed. The testing device includes a base member and a cover member which defines an opening for the reception of a liquid specimen. A distribution wheel delivers portions of the specimen to antibiotic units which are ci...
09/22/1992
5149501Multichambered container and instrument for performing diagnostic tests
An instrument (50) automatically determines the concentrations of HDL cholesterol, LDL cholesterol, total cholesterol and triglycerides for a sample (80) of whole, anticoagulated blood placed in a doughnut shaped container (10). The sample (80) is first s...
09/22/1992
5147609Assay element
There is described an assay element suitable for use in an automated analytical test instrument for assaying a fluid sample. The element includes a thin porous member possessing a high degree of capillarity such as a fibrous mesh pad supported within a gu...
09/15/1992
5147607Reaction vessel with a rocking base
A reaction vessel for microassay is provided. The reaction vessel has a body structure having provided therein at least one reaction unit having a channel having at least one fluid inlet and at least one reagent-immobilized area in the downstream of the f...
09/15/1992
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