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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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8172995 |
Electrochemical test strips
An easily manufactured electrochemical test strip is made with facing electrode but side by side connectors for insertion into an electrochemical test meter. Current is conducted from the electrode...
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8163527 |
Subsystems and methods for use in patch clamp systems
Subsystems and methods for use in patch clamp systems are provided. For example, in certain embodiments, compensation circuitry is used to compensate for non-idealities present in the patch clamp...
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8163163 |
Method of electrochemical analysis of an analyte
A method of electrochemical analysis using a sensor electrode specific for an analyte under test. The method comprises immersing the sensor electrode in a sample solution suspected of containing...
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8155485 |
Plasmon photocatalysis
Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or...
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8114269 |
System and method for determining the point of hydration and proper time to apply potential to a glucose sensor
According to an embodiment of the invention, a method of determining hydration of a sensor having a plurality of electrodes is disclosed. In particular embodiments, the method couples a sensor...
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8114268 |
Method and system for remedying sensor malfunctions detected by electrochemical impedance spectroscopy
A method and system that enables a user to maintain a sensor in real time. The present invention involves performing a diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure to measure...
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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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8033162 |
Analyte sensors and methods of use
Analyte sensors for determining the concentration of an analyte in a sample. The sensors have a sample chamber having an inlet with a projection extending from an edge of the sensor for...
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8030069 |
Materials and procedures for the purification of cells
The subject invention provides new materials and methods for the efficient isolation and purification of stem cells. Specifically, conductive immunopolymers with stem cell specific antibodies can...
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8029735 |
System and method for transferring calibration data
A test system comprises a sensor container and a testing device. The sensor container has a base and a lid. The container encloses test sensors therein. The container includes a calibration label...
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7998338 |
Biosensor
A biosensor for determining the concentration of an analyte in a biological sample. The biosensor comprises a support, a reference electrode or a counter electrode or both disposed on the support,...
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RE42560 |
Electrochemical biosensor test strip
An electrochemical biosensor test strip with four new features. The test strip includes an indentation for tactile feel as to the location of the strips sample application port. The sample...
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7971425 |
Urea concentration identifying system, method for indentifying urea concentration and automobile exhaust gas reducing system using same, and method for reducing automobile exhaust gas
The concentration of the urea of a urea solution is identified accurately and immediately. A pulse voltage is applied for a predetermined time to a urea concentration identifying sensor heater...
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7964071 |
Device with π-conjugated metal complex immobilized substrate in aqueous electrolyte
A π-conjugated metal complex immobilized substrate, in which π-conjugated metal complex molecules are connected to a substrate via a π-conjugated molecular structure, is adapted for observing an el...
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7947222 |
Mobile communication terminal equipped with temperature compensation function for use in bio-information measurement
Disclosed is a mobile communication terminal equipped with temperature compensation function for use in bio-information measurement, including a biosensor insertion in which a biosensor directly...
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7906008 |
Bacterium consortium, bio-electrochemical device and a process for quick and rapid estimation of biological oxygen demand
The present invention deals with a device for quick estimation of biochemical oxygen demand of beverage waste water. This device consists of an immobilized microbial membrane attached to an...
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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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7842234 |
Diagnostic devices incorporating fluidics and methods of manufacture
The present invention relates to diagnostic devices incorporating electrode modules and fluidics for performing chemical analyses. The invented devices consist of a sensor array formed on an...
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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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7802467 |
Analyte sensors and methods of use
Analyte sensors for determining the concentration of an analyte in a sample. The sensors have a sample chamber having an inlet with a projection extending from an edge of the sensor for...
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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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7781196 |
Thermostable mutants of pyrroloquinoline quinone dependent glucose dehydrogenase
The present invention relates to a mutant protein of PQQ-dependent s-GDH characterized in that in at least one of the positions 122 and 124 the amino acid lysine is present, wherein these positions...
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7776575 |
Mutant glucose dehydrogenase
A mutant glucose dehydrogenase having the amino acid sequence of SEQ ID NO: 3 or an amino acid sequence of SEQ ID NO: 3 including substitution, deletion, insertion or addition of one or more amino...
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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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7737240 |
Hydrogel functionalized with a polymerizable moiety and their uses as biosensors or bioreactors
The present invention relates to a new hydrogel functionalized with a polymerizable moiety, the polymerized hydrogels, films and gels comprising the same and their use for cells, proteins, DNA or...
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7727467 |
Reagent stripe for test strip
A test strip having a small sample-receiving chamber on the order of less than 1 microliter. The inventive test strip includes a reagent layer that extends across the width of the test strip and...
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7729866 |
Method of determining level of specified component in blood sample and apparatus for level determination
The present invention relates to a method for measuring the concentration of a particular component in a blood sample containing blood cells based on a variable correlated with the concentration of...
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7709246 |
Device and method for detecting bioelectric signals from electrophysiologically active regions in spheroids
Disclosed is a device for detecting bioelectric signals from spheroids comprising a measuring chamber having a measuring chamber wall which encloses a volume, which is open at least at one side, is...
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7704357 |
Potentiometric sensor
A potentiometric sensor, especially a pH-sensor or redox-sensor, includes: an elementary sensor for registering a potentiometric parameter, especially a pH-value or a redox potential; and an...
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7686929 |
Sensing apparatus and method
A sensing apparatus comprising an ion sensitive field effect transistor arranged to generate an electrical output signal in response to localized fluctuations of ionic charge at or adjacent the...
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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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7651596 |
Cellulosic-based interference domain for an analyte sensor
The present invention relates generally to devices for measuring an analyte in a host. More particularly, the present invention relates to devices for measurement of glucose in a host that...
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7645421 |
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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7641777 |
Biological testing system
A connector for establishing electrical connection between a testing device and a test strip with a biological fluid thereon includes a contact pad on the test strip, and one or more contact wires...
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7638033 |
Biosensor system
Biosensor system and method for the electrochemical determination of an concentration of an analyte in a sample. An analyte reactant is at least partially hydrated by the sample to form a reaction...
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7640047 |
Test instrument, attachment, and concentration measuring apparatus
The present invention relates to a test instrument (X) including a capillary (5) for moving a sample liquid (B), a liquid pooling portion (4) communicating with the capillary (5) for retaining the...
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7622026 |
Biosensor
There is provided a biosensor in which a spacer 6 having a cutout portion is bonded between at least first support 1 and a second support 8 to form a specimen supply path 7 through which a supplied...
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7601299 |
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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7598081 |
Materials and procedures for the purification of cells
The subject invention provides new materials and methods for the efficient isolation and purification of stem cells. Specifically, conductive immunopolymers with stem cell specific antibodies can...
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7594984 |
Apparatus and method for measuring activity signals of biological samples
The present invention provides an apparatus for measuring activity signals of a biological sample comprising: a measurement chamber (A) storing a target liquid containing a biological sample; a...
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7572356 |
Electrochemical-based sensor with a redox polymer and redox enzyme entrapped by a dialysis membrane
An electrochemical-based sensor includes an electrode with at least one electrode surface, a film disposed on the electrode surface, and a dialysis membrane disposed on the film. The film includes...
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7544438 |
Electron mediator, electron mediator immobilized electrode, and biofuel cell using the electrode
An object of the present invention is to provide a highly functional mediator capable of smoothly proceeding electron transfer between an electrode and a biocatalyst based on the premise that the...
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7540948 |
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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7534330 |
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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7520970 |
Immobilization support, process for producing the same, electrode, process for producing the same, electrode reaction utilizing apparatus and process for producing the same
An immobilization carrier containing an electron acceptor compound is used in addition to glutaraldehyde and poly-L-lysine to immobilize an enzyme and an electron acceptor compound simultaneously...
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7462264 |
Subcutaneous glucose electrode
A small diameter flexible electrode designed for subcutaneous in vivo amperometric monitoring of glucose is described. The electrode is designed to allow “one-point” in vivo calibration, i.e., to ...
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7462322 |
Methods and apparatus for improved luminescence assays
An apparatus for performing a binding assay for an analyte of interest present in a sample based upon measurement of electrochemiluminescence at an electrode surface comprising a cell defining a...
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7431811 |
Ruthenium oxide electrodes and fabrication method thereof
A ruthenium oxide electrode. The ruthenium oxide electrode includes a substrate, a ruthenium oxide film formed thereon, and a conductive wire connecting to the ruthenium oxide film. The invention...
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7418285 |
Analyte test sensor and method of manufacturing the same
An analyte test sensor for use in measuring the concentration of a particular analyte in a test sample includes a non-conductive substrate, a reference electrode deposited on the substrate, a...
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