Matches 101 - 150 out of 265 < 1 2 3 4 5 6 >


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6924147 Method of making a polymeric food spoilage sensor  
A polymeric food spoilage sensor comprises a polymer containing a polyazamacrocyclic transition metal complex. The complex selectively binds biogenic amines, such as cadaverine, putrescine and...
6921660 Cell motility and chemotaxis test device and methods of using same  
The present invention discloses a device for monitoring chemotaxis or chemoinvasion including a housing comprising: a support member and a top member, the top member mounted to the support member...
6905653 Ion activity measuring device and method for producing the same  
Determining a substance to be measured in a liquid sample by measuring the degree of coloring obtained when the substance is subjected to coloring reaction in terms of reflectance. Polymer beads...
6881379 Method for producing detection systems with planar arrays  
The invention relates to a method for producing a detection system for detecting different analytes in a sample, characterised by the following steps: providing a planar or essentially planar...
6861260 Lipid membrane, method for measuring membrane permeability, and method for screening  
The object of the present invention is to provide a lipid membrane whose permeability to substances is high and strongly correlated with the permeability of biomembranes to drugs and which...
6852541 Rapid assay for testing overall oxidative stress  
The invention relates to an assay for testing oxidative stress of a subject by measurement of oxidants in biological fluids such as urine, plasma, bioreactor medium and respiratory aspirants....
6821484 Apparatus for isolation of particles, preferably cell clusters  
An apparatus for the isolation of cell clusters that are either embedded or transported is preferably used for the isolation of the insulin-producing pancreatic islets of Langerhans, but it also...
6723528 Inoculation storage assembly and method for use thereof  
An inoculation storage assembly and method of preserving sterility including an inoculation device (20), a storage rack or container (84, 184), and a handling tool (60, 160). The inoculation...
6702987 Bioactive porous partition members  
The present invention provides bioactive porous partition members for use in connection with studies or tests of the blood coagulation process, wherein the porous partition members have an...
6703245 Oxygen detecting composition  
The oxygen detecting composition of the present invention includes a layered silicate, a cationic surfactant, an organic colorant, a reducing agent, and optionally a basic substance. The oxygen...
6593142 Polymeric food spoilage sensor  
A polymeric food spoilage sensor comprises a polymer containing a polyazamacrocyclic transition metal complex. The complex selectively binds biogenic amines, such as cadaverine, putrescine and...
6576474 Apparatus and method of monitoring an analyte  
A detector for monitoring an analyte includes an analyte-sensing composition. The analyte-sensing composition has a visible color intensity or emission intensity (e.g., fluorescence intensity)...
6497842 Quantitative chromatographic measuring device and method for manufacturing the same  
In a chromatographic quantitative assay device and a manufacturing method thereof according to the present invention, as shown in FIG. 1, there are provided a non-moistenable reaction layer...
6495368 Methods and devices for detecting microbial spoilage in food products  
The present invention pertains to methods and devices for detecting microbial spoilage of a food product. The method involves placing a spoilage indicator device including a barrier sheet in fluid...
6376250 Composition and probe for detection of water  
A visual indicating paste composition for detecting of aqueous solutions in hydrocarbons by changes in color. The paste is utilized by placing on a probe and inserting the probe in a storage...
6348355 Testing element for the colorimetric determination of oxidizable components in gas mixtures  
A testing elements for the calorimetric determination of oxidizable gas and/or vapor components in gas mixtures is provided. The testing element contains, besides usual oxidizing agents, at least...
6335171 Immunochemical determination of substances contained on textile fibers or polymers  
A method for the detection of substances contained on textile fibers or other natural or synthetic polymers is disclosed. The contained substances are identified with immunochemical methods, where...
6316263 Method for measuring antioxidant activities of samples and method for diagnosing diabetes or hyperlipidemia using the same  
A method for measuring antioxidant activity of test samples, which attains higher sensitivity than the conventional methods is disclosed. In the method of this invention, methemoglobin, an...
6316434 Assay for emetic activity  
An assay for emetic activity among inhibitors of type 4 phosphodiesterase (PDE 4) is disclosed. The assay comprises: (A) administering to a test mammal an anesthetic compound in an amount...
6224831 Microassay device and methods  
The subject invention relates to a rapid, field-portable, modular, versatile and highly reliable assay device for substances, particularly drugs of abuse, which provides a positive signal in the...
6171866 Luminescence indicator for determining calcium ions  
The invention relates to a compound having the general Formula I: ##STR1##including its salts, where Z is either the group having the general Formula II: ##STR2##where R1 is alkyl having 1-4 C...
6127168 Containers useful for cell cultures and other applications  
The subject invention provides inexpensive and convenient containers for holding a variety of substances. Although the containers of the subject invention are particularly well adapted for use in...
6126900 Graphite nonwovens as functional layers in diagnostic test kits  
The present invention relates to the use of graphite nonwovens and graphite woven fabrics for removing cellular constituents from blood and corresponding test agents for analysis of blood...
6074881 Method for the prevention of hemoglobin interference in reagent systems for measuring peroxidase activity  
The present invention involves an improvement to an assay for the activity of a metal chelate, such as copper II/creatinine, which activity is related to the concentration of the analyte in a...
6063337 Test strip for measuring device for optically detecting the concentration of a substance in a body fluid  
In a test strip for use with a measuring device for determining the concentration of a substance in a body fluid by means of an optical measuring system using a beam of light directed onto a...
6060321 Sun tan dosimeter  
A disposable ultraviolet dosimeter for rapid visual estimation of cumulative exposure to UV-A and UV-B radiation.
5972477 Laminated fiber networks  
Laminated fiber network structures having high resilience, good cushioning properties, and excellent impact-resistance include at least one layer of a three-dimensional fiber network material and...
5925318 Iron detecting sensors  
The present invention is directed to iron sensors. Immobilized in close proximity of the potential or pH measuring surface of a proton sensing device, minute quantities of an iron chelator such as...
5910447 pH and amine test to diagnosis of vaginal infections  
Tests for elevated pH and volatile amines in aqueous fluids are disclosed, including tests useful in the diagnosis of bacterial vaginosis and in other biological conditions. By using formulated...
5888827 Method for determination of cholesterol in low-density lipoprotein or very low-density lipoprotein  
Cholesterol in low-density lipoprotein (LDL) or very low-density lipoprotein (VLVL) in a sample is determined in the presence of a sugar compound and/or a protein-solubilizing agent.
5881879 System for preserving and delivering gas-containing solutions  
A container system for containing and preserving gas generating solutions such as bicarbonate-containing solutions is provided. The system includes an outer container or barrier that is gas...
5871695 Diagnostic strips  
A gelatinous reagent containing chloride ions, aliphatic alcohol, Fe3+ and trace amounts of selected agents is useful for detecting the pathologies of atherogenic metabolism and bilirubinemia by...
5858797 Test composition, device and method for the colorimetric determination of phosphorus  
A unitized, one step test reagent composition, device and method is presented for the determination of phosphorus in various test sample fluids such as soil extracts. The invention is a...
5851611 Multi-layered storage container  
One aspect of the present invention reveals a multi-layered storage container that changes color in response to acid gases. The storage container is comprised of at least one layer of a plastic...
5824268 Rapid self-contained assay format  
A test strip, a device incorporating the test strip and a method for use of the test strip within the device detecting an analyte in a solution or bodily fluid are disclosed. The test strip was...
5770152 Collapsible container for measuring particles in a sample fluid  
A device and method for the detection of small particles in a fluid. The device is a collapsible sample container having a opening which is covered, at least in part, by a porous membrane having a...
5766875 Metabolic monitoring of cells in a microplate reader  
The present invention method may be practiced with many different types of biological cells. Biological cells may be either eucaryotic or procaryotic cells. The cells may be in the form of tissue...
5702913 Chromgen-reagent test system  
An improved chromogen-reagent test system for a slide, test kit or the like has particular utility in the testing of fecal specimens for occult blood. The chromogen-reagent system may include the...
5620900 Means and method for the determination of ammonium ions  
The invention relates to an absorptive support and a method for the determination of ammonium ions in aqueous solutions by the Berthelot method using one absorptive support. The absorptive support...
5601986 Assays and devices for the detection of extrahepatic biliary atresia  
The present invention involves a variety of assay methods and devices for screening or diagnosing the occurrence of extrahepatic biliary atresia. In particular the methods and devices involve an...
5550060 Method and procedure for preparing red blood fractions  
Methods and apparatus for separating red blood cells by density are described. Older red blood cells are more dense than younger ones. Certain changes in the physiology are recorded in changes in...
5541069 Assay having improved dose response curve  
An assay for determining the presence of a threshold concentration of an analyte in a sample comprises first reacting the sample with an amount of anti-analyte selected to reduce the free analyte...
5468641 Device for validating urobilinogen test devices  
The present invention involves the use of certain indole sulfonates in a test control method for the Ehrlich reagent used in diagnostic tests for urobilinogen. The indole sulfonates exhibit unique...
5439648 Gas indicator for a package  
A gas indicator (11) for a modified atmosphere food package (19) comprises a series of strips (12, 13, 14, 15, 16) which progressively change colour as the proportion of carbon dioxide in the...
5409833 Microvessel cell isolation apparatus  
A processing vessel for isolating microvessel endothelial cells from liposuctioned fat tissues includes a fat-receiving basket defined by polyester screen material. Fat tissue removed from a...
5399498 Reduction of background interferences in the molybdate-dye protein assay  
Disclosed is an improvement to the assay for protein in urine involving the use of a molybdate or tungstate salt and an indicator dye which forms a complex with molybdate or tungstate whose...
5372945 Device and method for collecting and processing fat tissue and procuring microvessel endothelial cells to produce endothelial cell product  
Methods and apparatus for collecting and processing tissue to produce an endothelial cell product having a vessel for rinsing, draining, digesting and isolating tissue. The vessel has a rinsing...
5369007 Microassay on a card  
A microassay card 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...
5344780 Method for determining indole compounds associated with boar taint in pork as well as a sample container to be used in the method  
A sample of lard or fat is taken from a carcass of a pig or part thereof and heated until the fat is liquid, whereupon the sample is extracted by a polar solvent, and the contents of the indole...
5340539 Non-instrumented cholesterol assay  
An assay for determining the cholesterol level in a sample involving a bibulous strip comprising a transfer region for transporting a transport medium from a transport medium source, a sample...

Matches 101 - 150 out of 265 < 1 2 3 4 5 6 >