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6937955 |
Method for automatic alignment of metering system for a clinical analyzer
A method for calibrating a clinical analyzer having a dispenser, and for automatically aligning the dispenser of the clinical analyzer includes loading a calibration element at a portion of the...
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6933153 |
Metal ion specific capacity affinity sensor
This invention relates to a metal ion specific capacitance sensor with exceptional sensitivity and wide operating range. It is versatile because different kinds of recognition elements can be...
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6927063 |
Humidity indicators
Silica-based carrier impregnated with iron(III) or iron(II) salts functions as a humidity indicator giving a yellow/amber to nearly colourless colour change as the carrier humidifies.
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6927068 |
Rapid and non-invasive method to evaluate immunization status of a patient
An assay method and kit for detecting the presence of a predesignated, target IgG antibody in a sample selected from one or more patient bodily fluids. The method comprises the following steps: (a)...
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6923936 |
Sterile device and method for producing same
A sterile device immersed in a sterile buffer and a method for providing same. The sterile device may be a medical device such as a biosensor having a biomolecule as a sensing element such as, for...
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6916666 |
Method using a new calibrator and a device and test kit including the calibrator
A lateral flow method for the determination of an analyte in a sample utilizes biospecific affinity reactions. The method comprises forming a complex comprising Reactant I - - - Analyte′ - - -...
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6913931 |
Devices, methods and systems for low volume microarray processing
Devices, methods and systems for low volume microarray processing are disclosed. The microarray devices preferably include a plurality of reactant sites on a reactant surface. The reactant sites...
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6911183 |
Moving microdroplets
The movement and mixing of microdroplets through microchannels is described employing microscale devices, comprising microdroplet transport channels, reaction regions, electrophoresis modules, and...
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6905655 |
Modification of selectivity for sensing for nanostructure device arrays
An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are...
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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...
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6902701 |
Apparatus for sensing volatile organic chemicals in fluids
A chemical-sensing apparatus is formed from the combination of a chemical preconcentrator which sorbs and concentrates particular volatile organic chemicals (VOCs) and one or more chemiresistors...
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6899849 |
Integrated sensor
An integrated optical chip device for molecular diagnostics comprising a tunable laser cavity sensor chip using heterodyned detection at the juncture of a sensor laser and a reference laser, and...
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6895805 |
Hydrogen gas indicator system
A hydrogen gas indicator system that provides various substrate materials ( 4 ) that support hydrogen gas sensor ( 1 ) materials with discrete indicia ( 7 ) that provide information separate from...
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6893880 |
Analyte assays and devices
The present invention provides a method and a device that utilizes capillarity-mediated, chromatographic transport, for the qualitative or semi-quantitative analysis of selected analytes in liquid...
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6893877 |
Methods for screening substances in a microwell array
Methods for manufacturing and using an apparatus for manipulating and analyzing a large number of microscopic samples of a liquid or materials, including cells, in liquid suspension. Parallel...
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6890729 |
Device and method for cytology slide preparation
This invention provides a novel device and method for preparing cytology slides. The device comprises a book-like form including an absorbent material and filter attached to the inside surface of a...
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6887426 |
Reagents test strip adapted for receiving an unmeasured sample while in use in an apparatus
A method for determining the presence of an analyte in a fluid is described along with various components of an apparatus specifically designed to carry out the method. The method involves taking a...
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6884394 |
Chemical indicator reader
A reader for a sterilization indicator having sterilizing agent sensitive indicia is described. The indicator allows a sterilization cycle to be monitored without the need for a user to...
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6884592 |
Devices for analyte concentration determination and methods of manufacturing and using the same
Test strips for determining the concentration of at least one analyte, e.g., glucose, in a physiological sample and methods for their manufacture and use and are provided. The subject test strips...
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6884625 |
Kit and method for detecting food allergies
A method for detection of food allergies, by determining the presence of antibodies against specific antigens in a stool sample, involves diluting the specimen, introducing the diluted specimen to...
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6881581 |
High-density lipoprotein assay device and method
An assay device and method for measuring the concentration of HDL-associated cholesterol in a blood-fluid sample are described. The assay design is such that removal of non-HDL lipoproteins from a...
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6881550 |
Method for the determination of glucose employing an apparatus emplaced matrix
A method for determining the presence of an analyte in a fluid is described along with various components of an apparatus specifically designed to carry out the method. The method involves taking a...
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6881378 |
Multilayered analytical device
The invention concerns an analytical device containing at least two components in which at least two of the components are joined together with the aid of an adhesive, which is characterized in...
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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...
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6875614 |
Occult blood test enhancer
An improved fecal occult blood test having a matrix such as paper that is treated, imprinted or impregnated with a test reagent capable of undergoing a chromogen reaction is disclosed. The...
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6875615 |
Sensors for the determination of organometallic compounds
The present invention relates to sensors for the determination of organometallic compounds comprising the following elements: a) an inorganic, organic or polymeric support, insoluble in the sample...
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6872573 |
Fluorescent creatinine assay
A method of detecting creatinine in body fluids using an indicator which produces a fluorescent response when oxidized in the presence of a copper II /creatinine complex. A preferred indicator is...
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6872522 |
Broad specificity affinity arrays: a qualitative approach to complex sample discrimination
Described is a method for discriminating complex biological samples using an array of discrete biological sensing elements immobilized onto a solid support in which constituents bound to the sensor...
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6866819 |
Sensor for detecting small concentrations of a target matter
A sensor for detecting a target matter includes a chemical sensitive layer that is operable to react when exposed to the target matter and a piezoresistive material coupled to the chemical...
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6867052 |
Biological material detecting articles of manufacture
The present invention relates to articles of manufacture inclusive of or in combination with a biological assay material, formed from a material capable of detecting and identifying the presence of...
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6863866 |
Self-contained devices for detecting biological contaminants
The present invention relates generally to self-contained devices and methods for detecting biological contaminants and, more particularly, to self-contained devices and methods for detecting...
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6858401 |
Minimum procedure system for the determination of analytes
A method for determining the presence of an analyte in a fluid is described along with various components of an apparatus specifically designed to carry out the method. The method involves taking a...
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6855491 |
Device for rapidly diagnosing upper respiratory conditions
A device for detecting upper respiratory conditions. The device includes a support upon which are fixed discrete indicators of pH, protein content, nitrite content and/or leukocyte esterase...
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6852540 |
Control serum for dry analytical element
A control serum for a dry process is provided that does not show misfit in measurement values by the dry process and a wet process. The above-mentioned control serum is obtained by freezing or...
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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. There...
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6849414 |
Assay devices and methods of analyte detection
Assay devices, kits, and methods for detection of one or more analytes in a sample are provided. The assay device features the controlled release of reagents and hence is particularly suitable for...
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RE38688 |
Sheet-like diagnostic device
A solid diagnostic device for the quantitative determination of substances of biological affinity in biological fluids is described. A process is also described in which the biological fluid is...
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6844200 |
Device for carrying out lateral-flow assays involving more than one analyte
Disclosed is an improvement to a dry assay device for determining the concentration of a first analyte in a sample of body fluid and a second analyte in the same sample of body fluid. The device...
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6838244 |
Fluorescent oligonucleotides and uses thereof
Oligonucleotide molecules labeled with a plurality of fluorophores of one or more types embedded in the backbone of said oligonucleotide, wherein at least one of said fluorophores is not located at...
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6835554 |
Kit and method for determining redox status in urine
A method and corresponding kit for determining the redox status of an organism is provided. The method comprises performing a calorimetric assay of a urine sample by mixing the sample with at least...
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6833110 |
Test member
A test member suitable for use in a test device for testing of analyte concentration in a fluid to be applied thereto comprises a base member ( 2 ) having a working area ( 4 ) to which the fluid is...
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6824975 |
Incorporation of selective binding substances in a solid phase assay device
This invention discloses a method and composition for detecting the presence of class specific antibodies reactive with analytes such as bacteria, allergens, autoimmune antigens, viral proteins,...
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6821790 |
Methods and apparatus for separation of biological fluids
A method of separating a cell-containing sample into a substantially cell-depleted portion, and a cell-containing portion comprising at least one of a stem cell, a lymphocyte, and a leukocyte...
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6821786 |
Diagnostic test for elemental imbalances
A self-diagnostic test, a self-diagnostic test apparatus, and method of manufacturing a self-diagnostic test for screening for elemental mineral imbalances in a patient utilizing an analysis of the...
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6821485 |
Method and structure for microfluidic flow guiding
A flow of liquids is carried out on a microscale utilizing surface effects to guide the liquid on flow paths to maintain laminar flow. No sidewall confining structure is required, minimizing...
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6818455 |
Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents
An analytical test device useful for example in pregnancy testing, comprises a hollow casing ( 500 ) constructed of moisture-impervious solid material, such as; plastics materials, containing a dry...
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6818180 |
Devices for testing for the presence and/or concentration of an analyte in a body fluid
Devices and methods for utilizing dry chemistry dye indicator systems for body fluid analysis such as glucose level in whole blood are provided by incorporating a porous membrane with a skin side...
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6818456 |
Color contrast system for lateral flow immunoassay tests
A lateral flow immunoassay device includes a membrane strip for enabling capillary migration of a sample therealong with a labeled reagent disposed on the membrane. The label reagent is formulated...
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6815216 |
Method for solid-phase microextraction and analysis, and a collector for this method
The invention relates to a method for solid-phase microextraction and analysis of substances in a carrier fluid, in which a collector is brought into contact with the stirred fluid containing the...
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6815210 |
Total protein detection methods and devices
An assay for the determination of protein in an aqueous test fluid which combines the test fluid with a buffer and a dye. The buffer is selected from citrulline, malonic acid, cyanoacetic acid,...
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