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6203757 Fluid sample distriution system for test device  
Diagnostic products having multiple test strips within a unitary diagnostic test device, or test icon, are described herein. In the preferred embodiments of the diagnostic test device of this...
6200817 PH and amine test elements and applications 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...
6197494 Apparatus for performing assays on liquid samples accurately, rapidly and simply  
An element and method for easily performing liquid assays are disclosed. The element uses capillary action to draw a predetermined volume of a liquid sample into a reaction chamber charged with...
6197597 Solid phase immunoassay with carriers matching the shape of sample wells  
The invention concerns a solid-phase determination method and equipment and an adapter for use in these. In the method a sample is allowed to react with a separating reagent bound to the outer...
6194224 Diagnostic membrane containing fatty acid sarcosinate surfactant for testing oral fluid  
A diagnostic test strip for determining the presence of a specified analyte in a fluid sample is described. The test strip has a test membrane sandwiched between two layers of a plastic sheath. The...
6194221 Hybrid one-step immunochromatographic device and method of use  
This invention relates to a lateral flow immunochromatographic assay device with an increased range of sensitivity without an increase in the clearance time or the occurrence of false positive...
6190610 Detection of contaminants in food  
A food contamination detector. The food contamination detector comprises a first bar code symbol coded to identify a food product by a bar code reader, a second bar code symbol coded to identify...
6190611 Hardness indicator  
A harness indicator is highly reactive to a trace amount of Ca 2 +, and is slow to degrade in a high temperature environment of greater than 50° C. In one embodiment, the hardness indicator...
6187269 Assay devices  
Storage stability of an assay device, comprising an assay strip and sensitive reagents such as antibodies within a plastics casing, is maintained by moulding some or all of the casing from...
6183692 Kit for purification of plasmin  
A method for rapid purification of a blood component from blood is described in which the blood plasma is first separated from the cellular blood elements by any conventional means, such as...
6180412 Test for chlorine in water  
An improved test is described for chlorine in pool and spa water where potassium monopersulfate is used as an oxidizing agent and DPD is used as an indicator. N,N-bis(hydroxyethyl)-2-aminoethane...
6180417 Immunochromatographic assay  
Disclosed is a device and method for carrying out an assay for an analyte in a fluid test sample by immunochromatography. The device involves a strip having a non-porous receiving member of a...
6177253 Screening methods for the identification of anti-HIV compounds employing a cyclosporine-specific monoclonal antibody that cross-reacts with HIV-1 p24  
The subject invention provides new uses for novel derivatives of cyclosporine A and antibodies directed thereto. Specifically, the derivatives and antibodies are useful in methods of treating AIDS,...
6177051 Dispensable alcohol breath analyzer system  
A dispensable alcohol breath analyzer system including a rectilinear box with an analyzer on one face and an extendable tube on another face. The system also includes a plurality of units located...
6174729 Method, and kit for total protein assay  
A method, device and kit for determining total protein concentration in a protein solution, which comprises applying the protein solution to a protein-support, wherein the protein-support is...
6168758 Liquid sample assay device  
An assay device for determining the presence of specific analytes in a liquid sample comprises a container for collecting the sample liquid and a removable cap for sealing the container. The cap...
6168957 Diagnostic test strip having on-strip calibration  
A dry phase reagent test strip for measuring the concentration of an analyte in a biological fluid includes a colored indicator whose hue indicates a calibration of the strip. Preferably, the test...
6168701 Methods and compositions for improving the loading of analytical instruments  
The invention relates to improved methods and compositions for loading samples into an analytical instrument having a plurality of sample receiving loading ports. In a principle embodiment of the...
6165416 Sample collection device  
6162398 Assay device using shrink wrap  
Devices for conducting an assay are disclosed which utilize shrink wrap as a casing material. The use of shrink wrap casings enables the preliminary fluid filtering step and the chemical detection...
6159743 Method and apparatus for testing surfaces  
A test kit for testing substrates for soluble salts including a test sleeve, a pre-measured volume of solvent solution, and a soluble salt measuring device. The test sleeve includes a generally...
6159747 Analytical test element with a blister filled with liquid  
The invention concerns an analytical test element containing an absorbent material with a sample application and detection zone and a blister filled with liquid on a support, wherein the support...
6156272 Method and apparatus for urine self-test intended for use in a toilet  
A method and apparatus for urine self testing wherein the apparatus is placed directly into the toilet after urination which avoids the direct placement and retention of an apparatus in the stream...
6156271 Assay devices  
An assay device incorporates a composite strip comprising at least two bodies of porous liquid-conductive material in liquid-flow contact with each other via an interface and together defining at...
6153147 Beverage analysis sample  
The device includes a housing having a main body including an analysis chamber with at least one chemical reagent composition contained therein and a vessel portion for receiving and capturing a...
6150341 Vitamin B.sub.12 derivatives and methods for their preparation  
This invention relates to methods for preparing vitamin B 12 (VB 12 ) derivatives suitable for linking to a polymer, nanoparticle or therapeutic agent, protein or peptide. The methods involve...
6150178 Diagnostic testing device  
A specimen collecting and testing device has a housing containing a test membrane. An elongated handle having a foam member is slidably received in the housing. Once the foam member obtains a...
6149866 Stopper having a cavity for reagents and an assay method using said stopper  
6149865 Test strips for the determination of the ionic strength or specific gravity of an aqueous sample  
The ionic strength or the specific gravity of an aqueous test sample is determined by mixing the sample with a reagent composition on a test strip. The strip includes a bibulous carrier containing...
6146589 Assay device for detecting the presence of an analyte involving sequential delivery of reagents through a liquid circuit  
An assay device for detecting the presence of an analyte in a sample, wherein a visible signal indicative of the presence or absence of said analyte is produced at a detection site on a support,...
6146590 Vessel for an analytic test device  
A vessel for an analytic test device of the type including a sample receiving member and one or more other components for conducting an analytical test is disclosed. The vessel comprises a body...
6143572 Method for detecting imitation gold, using a pen-like device  
A pen-like device having a scriber for scratching a deep groove in a yellow colored, metal article object, such as jewelry, being tested for the gold content thereof, and an applicator provided on...
6140062 Method of determining the heparin content  
6136269 Combinatorial kit for polymer synthesis  
A device for forming large arrays of polymers on a substrate (401). According to a preferred aspect of the invention, the substrate is contacted by a channel block (407) having channels (409)...
6136960 Method for evaluation of the ratio of amounts of biomolecules or their sub-populations in a mixture  
The present invention is directed to a method of determining the ratio of the concentration or amounts of two or more chemical compounds and/or biopolymers, or of the relative amounts of...
6132681 Disposable dosimeter for sun radiation  
A disposable dosimeter for sun radiation comprising a matrix with at least one active chemical compound distributed therein, capable of changing its original color to a new color due to a chemical...
6133040 Process and test kit for cocaine detection  
Test kit and method for discriminating cocaine and its salts from substances that falsely give a positive color reaction with Scott's thiocyanate reagent. As all Scott false positive substances...
6132975 Method of collecting markers of bone metabolism from sweat  
The invention disclosed herein relates to a method of monitoring bone metabolism comprising continuously collecting a sweat sample from a subject and assaying the sweat sample to determine the...
6130097 Process and device for detecting dust-associated substances  
A process for detecting dust-associated substances wherein the dust to be analyzed is brought together with a solvent for eluting the substance to be detected from the dust. The particulate...
6129894 Device for taking swab samples and sample dilution  
A device is provided for taking swab samples and sample dilution. The device has a plug made of a porous, absorbent material, which projects from a sleeve and is used to take a swab sample. The...
6127189 Compositions and methods for detection of an amine compound in a fingerprint  
The invention includes compositions comprising and methods of using 1,2-indanedione derivatives for detecting an amine compound such as an amino acid. Methods of detecting and recording the pattern...
6120733 Self-contained assay device  
The present invention relates to a self-contained assay device which is capable of detecting various analyte(s), including bioanalytes, in specimens for example, from biological sources. The assay...
6113857 Gauge type time and temperature integrating indicator device  
A time and temperature integrating device for providing a visually observable indication of cumulative thermal exposure is disclosed comprising (a) at least two thermally sensitive image-forming...
6114179 Method and test kit for detecting antigens and/or antibodies  
A suspension of inert particles is prepared in an aqueous solution, to which an antibody or an antigen and a carrier-bound antigen or antibody, respectively, are added in any desired order. After...
6107098 Uranium-containing/metal binding complex, process of making and method of use for the determination of natural, and depleted uranium in biological samples  
A uranium-containing/metal binding complex and process for the determinat of natural and depleted uranium in biological samples such as water, urine, blood serum, saliva, amniotic fluid,...
6106779 Lysis chamber for use in an assay device  
A lysis chamber of an assay device capable of producing lysis of cells in a sample fluid such as whole blood, said chamber comprising a surface which contacts the sample fluid when the sample fluid...
6103194 Apparatus for testing items of metal such as jewelry  
Apparatus (1) for testing items of metal such as jewelry comprises a housing (3) which is closed at one end (3a) and partly open at the other end (3b). Sealed within the housing is an insert...
6100099 Test strip having a diagonal array of capture spots  
The invention relates to multiplex ligase chain reaction (LCR). Two or more putative target sequences are selected. For each one, a set of four probes is used simultaneously to amplify the putative...
6096270 Apparatus and methods useful in determining disinfectant effective concentration of hypochlorite ions  
The invention involves apparatus, reagents, and methods for determining a disinfecting effective amount of hypochlorite in a sample. These involve using enough neutralizing agent sufficient to...
6096269 Analyte detection device and process  
The present invention provides a device and a process for detecting an analyte in a biological fluid. That device comprises a cover portion with a restricted area for sample application, a...