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8182663 |
Blood urea nitrogen (BUN) sensor
A BUN (blood urea nitrogen) sensor containing immobilized carbonic anhydrase and immobilized urease for the in vitro detection of urea nitrogen in blood and biological samples with improved...
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8172996 |
Enzyme electrode and method for producing the same
An enzyme electrode and its producing method are disclosed. The method includes providing a substrate having a carbon surface; forming a gold surface on the carbon surface and forming an electrode;...
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8168052 |
Transition metal complexes with bidentate ligand having an imidazole ring
Novel transition metal complexes of iron, cobalt, ruthenium, osmium, and vanadium are described. The transition metal complexes can be used as redox mediators in enzyme based electrochemical...
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8163160 |
Biosensor having improved hematocrit and oxygen biases
The present invention provides reagent compositions, and analyte measuring devices and methods that utilize the reagent compositions.
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8160670 |
Analyte monitoring: stabilizer for subcutaneous glucose sensor with incorporated antiglycolytic agent
An analyte sensor including an antiglycolytic agent or a precursor thereof and a chelating agent that stabilizes the antiglycolytic agent positioned proximate to the working electrode of the...
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8128803 |
Method and system for determining the concentration of an analyte/enzyme complex or of an analyte/enzyme conjugate, especially for the electrochemical detection of the analyte, and corresponding measuring device
A method follow the change in concentration of a redox-active substance, whereby suitable potentials for a reduction process or an oxidation process are applied to the working electrode of a...
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8128802 |
Analysis apparatus and analysis method for glycosylated hemoglobin
Disclosed is a method for calculating a ratio of glycosylated hemoglobin with high accuracy by electrochemically detecting the concentration of fructosyl valine or fructosyl valyl-histidine in a...
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8123920 |
Method and apparatus for assay of electrochemical properties
The presence of a select analyte in the sample is evaluated in an electrochemical system using a conduction cell-type apparatus. A potential or current is generated between the two electrodes of...
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8101062 |
System and methods for determination of analyte concentration using time resolved amperometry
A method for determining a concentration of an analyte is disclosed. The method includes applying a potential excitation to a fluid sample containing an analyte and determining if a current decay...
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8083884 |
Method of forming a multilayer test sensor
A method of forming an electrochemical multilayer test sensor that includes a base, a second layer and a reactive layer. The reactive area includes an enzyme. The test sensor is adapted to be used...
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8083925 |
Analyte determination methods and devices
The present invention provides methods and apparatuses for analyte detection.
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8083927 |
Analyte sensors and methods of use
In vitro analyte sensors and methods of analyte determination are provided. Embodiments include sensors that include a pair of electrodes to monitor filling of the sample chamber with sample.
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8076035 |
Fuel cell with sequential enzymatic reactions
A fuel cell which utilizes the biogenic metabolism to produce a high current density is provided. The fuel cell generates electric power in such a way that the fuel is decomposed stepwise by a...
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8072008 |
Biosensor having ultra fine fiber
A high-sensitivity field effect transistor using as a channel ultrafine fiber elements such as carbon nanotube, and a biosensor using it. The field effect transistor comprises a substrate, a source...
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8070934 |
Transition metal complexes with (pyridyl)imidazole ligands
Novel transition metal complexes of iron, cobalt, ruthenium, osmium, and vanadium are described. The transition metal complexes can be used as redox mediators in enzyme-based electrochemical...
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8062488 |
Biosensor containing ruthenium, measurement using the same and the application thereof
A biosensor containing ruthenium, measurement using the same, and the application thereof. The biosensor comprises an extended gate field effect transistor (EGFET) structure, including a metal...
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8057659 |
Detection of analytes in a dual-mediator electrochemical test strip
Determination of an analyte such as glucose in a sample is done making use of a plurality of electron transfer reagents, for example two electron transfer reagents, that work together to transfer...
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8038860 |
Biosensor
A biosensor can supply a sample solution accurately and easily, and includes a capillary for collecting a sample solution and analyzes a specific substance in the sample solution, an air hole, and...
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8025780 |
Biosensor, thin film electrode forming method, quantification apparatus, and quantification method
A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as noble metal, for example gold or palladium, and carbon; slits parallel to and...
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8021528 |
Biosensor
A biosensor that is capable of measuring a material contained in a sample is provided. The biosensor is configured to be inserted into a display device, and measures a material contained in the...
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8007645 |
Biosensor
A biosensor can supply a sample solution accurately and easily, and includes a capillary for collecting a sample solution and analyzes a specific substance in the sample solution, an air hole, and...
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8003052 |
Diagnostic tape cassette
A diagnostic tape cassette especially for blood sugar tests comprises a test tape which is provided with a plurality of test fields for analysing body fluid, and a housing for receiving the test...
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7993512 |
Electrochemical test sensor
An electrochemical test sensor for detecting the concentration of an analyte in a sample. The electrochemical test sensor comprises a base that provides a flow path for the fluid test sample having...
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7981363 |
System and method for analyte measurement
A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC...
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7972487 |
Micro-band electrode
The invention concerns an electrochemical cell which, either alone or together which a substrate onto which it is placed, is in the form of a receptacle. The electrochemical cell contains a working...
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7955483 |
Carbon nanotube-based glucose sensor
The present invention provides a sensor, such as a biosensor, comprising at least one self-assembled monolayer (SAM) comprising analyte-sensitive groups, such as glucose-sensitive groups, attached...
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7955856 |
Method of making a diagnostic test strip having a coding system
An auto-calibration system for diagnostic test strips is described for presenting data individually carried on each test strip readable by a diagnostic meter. The carried data may include an...
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7951606 |
Bilirubin sensor
A bilirubin sensor has a working electrode with a first chemical matrix disposed thereon that contains a binder, a substrate electrode with a second chemical matrix dispose thereon that contains a...
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7935233 |
Tyrosinase enzyme electrode and production method thereof
Disclosed are a tyrosinase enzyme electrode containing metal nanoparticles and its producing method. Metal nanoparticles are applied to a surface of a support with high chemical stability. Also, a...
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7922883 |
Biosensors and methods of using the same
A biosensor strip having a low profile for reducing the volume of liquid sample needed to perform an assay. In one embodiment, the biosensor strip includes an electrode support; an electrode...
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7918976 |
Transition metal complexes with bidentate ligand having an imidazole ring
Novel transition metal complexes of iron, cobalt, ruthenium, osmium, and vanadium are described. The transition metal complexes can be used as redox mediators in enzyme based electrochemical...
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7909984 |
Small volume in vitro analyte sensor
A sensor designed to determine the amount and concentration of analyte in a sample having a volume of less than about 1 μL. The sensor has a working electrode coated with a non-leachable redox ...
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7905998 |
Biosensor
A biosensor comprises a space part for sucking and housing a sample formed of two upper and lower plates, the two plates being stuck together by an adhesive layer, the space part for sucking and...
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7905999 |
Biosensor strips and methods of preparing same
A biosensor strip having a low profile for reducing the volume of liquid sample needed to perform an assay. In one embodiment, the biosensor strip comprises an electrode support; an electrode...
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7901554 |
Biosensor
A biosensor comprises a space part for sucking and housing a sample formed of two upper and lower plates, the two plates being stuck together by an adhesive layer, the space part for sucking and...
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7887682 |
Analyte sensors and methods of use
In vitro analyte sensors and methods of analyte determination are provided. Embodiments include sensors that include a pair of electrodes to monitor filling of the sample chamber with sample.
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7867740 |
Thermotoga maritima mannitol dehydrogenase
Nucleic acids encoding Thermotoga maritima mannitol dehydrogenase and the Thermotoga maritima mannitol dehydrogenase polypeptide are disclosed. Further provided are an electrochemical bioreactor...
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7838282 |
Electrode compositions and configurations for electrochemical bioreactor systems
Electrodes and configurations for electrochemical bioreactor systems that can use electrical energy as a source of reducing power in fermentation or enzymatic reactions and that can use electron...
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7826879 |
Analyte sensors and methods of use
An analyte sensor system including a substrate, a first electrode disposed on a first surface of the substrate, a second electrode disposed on a second surface of the substrate, a third electrode...
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7822455 |
Analyte sensors and methods of use
An analyte sensor system including a substrate, a first electrode disposed on a first surface of the substrate, a second electrode disposed on a second surface of the substrate, a third electrode...
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7811432 |
Biosensors and methods of making
Devices and methods for determining the concentration of an analyte in a sample of liquid are provided.
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7811430 |
Biosensors and methods of making
Devices and methods for determining the concentration of an analyte in a sample of liquid are provided.
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7799191 |
Epoxy enhanced polymer membrane to increase durability of biosensors
The present invention provides a polymer membrane enhanced with cured epoxy resin for use as the outer membrane of biosensors. The membrane includes approximately 30-80% epoxy resin adhesives,...
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7754093 |
Biosensor having improved hematocrit and oxygen biases
The present invention provides reagent compositions, and analyte measuring devices and methods that utilize the reagent compositions.
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7749766 |
Bilirubin sensor
A bilirubin sensor has a working electrode with a first chemical matrix disposed thereon that contains a binder, a substrate electrode with a second chemical matrix dispose thereon that contains a...
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7731835 |
Electrochemical sensor and method for continuous analyte monitoring
Sensors and a method for detecting an analyte are described. Sensors each have a volume of a hydrophilic medium that retains an amount of analyte proportionate to the concentration of analyte in a...
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7718439 |
System and method for coding information on a biosensor test strip
The present invention provides a test strip for measuring a concentration of an analyte of interest in a biological fluid, wherein the test strip may be encoded with information that can be read by...
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RE41264 |
Biosensor with peroxidase enzyme
An improved biosensor having at least a first working electrode and a first electrode material disposed on the first working electrode. The first electrode material is a mixture made by combining...
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7699967 |
Analysis implement with opening in insulation film
The present invention relates to an analytical tool (X) which includes a substrate (1), a flow path for moving a sample along the substrate (1), a reagent portion (14) provided in the flow path,...
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7678250 |
Reagent compositions for use in electrochemical detection
Biological reagent compositions with improved sensitivity to the concentration of blood glucose in patient samples for use in measuring systems and methods. The reagent compositions comprise a...
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