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7615140 |
Potentiometric sensor with status monitoring
A potentiometric sensor for measuring a potentiometric variable of a medium comprises an ISFET whose gate region exhibits an ion-sensitive surface which can be exposed to the medium and which...
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7578912 |
Electro-active sensor, method for constructing the same; apparatus and circuitry for detection of electro-active species
An electro-active sensor includes a nonconductive platform with a first electrode set attached with a first side of a nonconductive platform. The first electrode set serves as an electrochemical...
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7556723 |
Electrode design for biosensor
A test strip for measuring a signal of interest in a biological fluid when the test strip is mated to an appropriate test meter, wherein the test strip and the test meter include structures to...
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7547379 |
Responsive glass membrane for ion selective electrode and ion selective electrode
The present claimed invention intends to provide a responsive glass membrane for ion selective electrode glass and an ion selective electrode comprising the responsive glass membrane that produces...
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7544979 |
Ion concentration transistor and dual-mode sensors
An ion concentration sensor produces a signal reflective of the ion concentration within a solution. The ion concentration sensor is based on an ion sensitive transistor having a solution input, a...
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7491303 |
Measuring instrument and concentration measuring device
The measurement instrument includes an attribute information output section to output attribute information about the attributes of the measurement instrument as an electric physical value. The...
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7452452 |
Carbon nanotube nanoelectrode arrays
The present invention relates to microelectode arrays (MEAs), and more particularly to carbon nanotube nanoelectrode arrays (CNT-NEAs) for chemical and biological sensing, and methods of use. A...
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7407570 |
Disposable, self-administered electrolyte test
A disposable, self-administered electrolyte test is affixed to the label of a commercially available electrolyte supplement, is available in the pharmacy section of a retail store, or is...
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7387714 |
Electrochemical sensor strip
Provided is a single use electrochemical sensor strip having an active portion and an inactive portion. The inactive portion may be a handling strip. Another aspect provided is an article...
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7382004 |
Semiconductor sensing device
A semiconductor sensing device in which a sensing layer is exposed to a medium being tested in an area below and/or adjacent to a contact. In one embodiment, the device comprises a field effect...
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7361257 |
Electrochemical screening system
Devices and methods for evaluating an electrochemical reaction are disclosed. A device includes an electrochemical cell having a cavity for containing a liquidus electrolyte, a first working...
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7347925 |
Biosensor for monitoring an analyte content with a partial voltage generated therefrom
A biosensor for monitoring an analyte content with a partial voltage generated therefrom is provided. The present biosensor includes a chip having a resistance R s , a power source, and a...
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7344627 |
Reference electrode having a flowing liquid junction and filter members
A flowing junction reference electrode comprising a liquid junction member matched with a filter. The junction member and the filter are situated between a reference electrolyte solution and a...
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7323091 |
Multimode electrochemical sensing array
A multimode electrochemical sensing array formed on an integrated circuit chip is structured to provide electrochemical determination of acidity or alkalinity, as well as electrochemical and...
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7314541 |
Ion measuring composite electrode
The present invention provides an improved ion measuring composite electrode, measuring instrument incorporating the composite electrode, and a manufacturing method for forming a preform of a...
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7282083 |
Methods, systems, and uses for calixarenes
A method of identifying, detecting and/or chemically using NO X compounds is provided, wherein calixarene complexes are exposed to a nitrogen-oxide gas containing samples and form...
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7247231 |
Analyzer and method of testing analyzer
An analyzer measures the concentration of a specific component in a sample liquid supplied to a test piece equipped with first and second terminal parts. An analyzer (X 1 ) includes a stage on...
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7241369 |
Electrochemical sensor
An electrochemical sensor has a sensor housing and an ion-sensitive field effect transistor (ISFET) with a source connection (S) and a drain connection (D). An ion-sensitive surface area (IS) on...
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7229538 |
Microfluidic device with network micro channels
A microfluidic device has a plurality of H-shaped micro channels not connected to each other and formed on a substrate. Each of the H-shaped micro channels comprises two main channels separately...
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7226563 |
Ion-detecting sensors comprising plasticizer-free copolymers
Plasticizer-free ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers...
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7208121 |
Plasticizer-free-ion-detective sensors
A plasticizer-free ion detective sensor for detecting a target ion in a sample is provided. The sensor comprises a copolymer of methacrylate monomers with pendant alkyl groups of different length,...
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7201876 |
Ion-detecting sensors comprising plasticizer-free copolymers
Ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers having pendent...
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7201831 |
Impurity detection device
There is provided a sample preparation device and method for preparing a sample of liquid for detection of impurities. First ( 40 ) and second ( 38 ) electrodes are provided, located for immersion...
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7189315 |
Ion sensor and clinical analyzer using the same
An ion sensor has a flow path through which a sample flows. An ion-exchange membrane is in contact with the sample in the sample flow path. An internal solution is provided on one side of the...
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7189314 |
Method and apparatus for quantitative analysis
A sensory apparatus including a substrate including a plurality of sensors to obtain an analyte profile, the sensors including an ion-selective sensor capable of measuring ion content and a...
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7144485 |
Strips for analyzing samples
This invention relates to a strip for analyzing a sample. The strip includes two insulating layers, a spacer layer, and a conducting circuit. The spacer layer is disposed between the two insulating...
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7135100 |
Amperometric sensor
An amperometric sensor suitable for determining the concentration of hydrogen peroxide in a sample, said sensor comprising a ferricyanide compound which, in reduced form, functions as a mediator...
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7125481 |
Electrochemical-sensor design
An electrochemical test sensor adapted to assist in determining the concentration of analyte in a fluid sample is disclosed. The sensor comprises a base that assists in forming an opening for...
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7122110 |
Electrochemical test sensor
Disclosed is an improved electrochemical sensor for the detection of an analyte in a fluid test sample. The electrochemical sensor is of the type in which the fluid test sample is drawn into a...
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7122102 |
Electrochemical sensor
An electrochemical sensor with a capillary channel is formed by placing a sacrificial insert on a sensor base and applying casting material. After the casting material is cured, the sacrificial is...
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7118668 |
Electrochemical test sensor
Disclosed is an electrochemical sensor for the determination of analytes in body fluids, e.g. glucose in blood. The sensor involves a non-conductive base which provides a flow path for the body...
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7115195 |
Ion selective monoelectrode complex
An ion selective monoelectrode complex which is favorably employable to manufacture an ion activity measuring apparatus, has on a common non-electroconductive support sheet, plural ion selective...
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7101472 |
Microfluidic ion-selective electrode sensor system
Ion-selective electrode sensor systems, and methods of fabricating such systems, may be utilized to analyze microfluidic sample volumes, i.e., sample volumes on the order of 1 to 1000 microliters.
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7094323 |
Process analyzer for monitoring electrochemical deposition solutions
The present invention relates to a process analyzer for analyzing composition of sample electrochemical deposition solutions, comprising at least one microelectrode having a radius of not more than...
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7083709 |
Potentiometric, ion-selective electrode
The invention relates to a potentiometric, ion-selective electrode for the measurement of cation concentration in a sample, which electrode is made of electrically conductive electrode material...
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7047795 |
Analyzing instrument, analyzing device, and method of manufacturing analyzing instrument
An analyzing instrument ( 2 ) according to the present invention includes a capillary ( 6 ), a sample liquid inlet ( 42 ), and a liquid introduction controller for a controlled pattern of...
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7045046 |
Sensor connection means
The invention relates to a sensor adapted for electrical connection to a power source having an electrical contact means ( 3 ). The sensor has a first insulating substrate ( 1 ) carrying a first...
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7022212 |
Micro structured electrode and method for monitoring wafer electroplating baths
A microstructured electrode coupled with an analytical method designed to simulate the actual conditions on the wafer and to measure critical parameters such as mass transfer of the active plating...
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6960287 |
Underfill detection system for a test sensor
A test sensor having a pair of electrodes and a reagent for electrochemically measuring the concentration of the analyte in a liquid sample. The test sensor comprises a capillary channel for...
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6955749 |
Sensor for measuring an ion concentration or gas concentration
The invention relates to a sensor for measuring ion concentration or gas concentration, with a gas- or ion-sensitive layer ( 6 ) that has two sensitive partial areas ( 20 and 21 ), two conducting...
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6942769 |
Electrochemical sensor strip with low porosity screen
The electrode test strip is used with an electrochemical sensor for measuring an analyte in an aqueous sample, e.g., glucose in blood. The electrode strip includes an elongated electrode support, a...
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6936156 |
Automated self-calibrating water quality monitoring sensor housing assembly
An automated self-calibrating water quality monitoring sensor housing assembly includes a number of ion-selective electrodes combined in a single flow train to provide for the multi constituent...
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6926814 |
Automatable measuring, cleaning and calibration device for pH-electrodes or electrodes for measuring redox potentials
An automatable measuring, cleaning and calibrating device for pH-electrodes or electrodes for measuring redox potentials, specifically in process engineering, having an electrode armature which...
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6893545 |
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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6890715 |
Sensors of conducting and insulating composites
The present invention provides a class of sensors prepared from at least a first material having a positive temperature coefficient of resistance and a second non-conductive or insulating material...
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6881306 |
Combination electrode for electrochemical restoration of corrosion-damaged reinforced concrete and method of controlling same
Re-usable, energy-efficient apparatus for the restoration of corrosion-damaged reinforced concrete and a method for controlling the same. The apparatus includes a combination electrode device in a...
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6878251 |
Heated electrochemical cell
The invention provides a method for determining the concentration of an analyte in a sample comprising the steps of heating the sample and measuring the concentration of the analyte or the...
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6875337 |
Method and means for performing electrochemical analysis
The present invention concerns a method for improving the sensitivity in measurements when performing electrochemical analysis containing low metal concentrations and a means for performing...
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6875328 |
pH sensor
An inexpensive, high-performance pH sensor measure the surface of a solid substance in a simple manner, comprising an ion sensing part 2 which responds to pH, a reference electrode 3, a...
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6869512 |
Device for measuring ionic activities
A device for measuring ionic activity is composed of:
a block of insulating material having a hollow space therein, a solution-receiving surface area in which a pair of openings for...
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