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7632384 |
Multi-functional sensor system for molten salt technologies
The present invention relates to a multi-functional sensor system that simultaneously measures cathode and anode electrode potentials, dissolved ion (i.e. oxide) concentration, and temperatures in...
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7418882 |
Measuring probe
A measuring probe is provided for measurement in molten metal, the probe having a measuring head arranged on an immersion end of a carrier tube. A bath contact and at least one sensor for...
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7396443 |
Solid-state electrochemical hydrogen probe for the measurement of hydrogen content in the molten aluminum
An electrochemical gas probe capable of measuring an amount of gas in a molten metal. The probe comprises a sensing unit that includes a reference electrode, a sensing electrode, a solid-state...
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7335287 |
Solid electrolyte sensor for monitoring the concentration of an element in a fluid particularly molten metal
The present invention relates to an electrochemical sensor for determining the concentration of a group IA metal in a fluid such as molten metal. The sensor comprises a substantially pure quantity...
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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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7179354 |
Electrochemical sensor
Disclosed is an electrochemical sensor comprising a work electrode and a reference electrode, said sensor adapted to measure the characteristics of a liquid under test, based on the relative...
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7169274 |
Measurement device for determining oxygen activity in metal or slag melts
A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged on one end of a carrier tube and on which an electrochemical...
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7141151 |
Measurement device for determining oxygen activity in molten metal or slag
A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged at one end of a carrier tube and on which an electrochemical...
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6913849 |
Method of screening compositions for electrocatalytic activity in a gas diffusion electrode
A novel process and apparatus to combinatorially screen a large number of discrete compositions for electrocatalytic activity have been developed. The apparatus contains a cell body adjacent to a...
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6869511 |
Ceramic electrochemical corrosion potential sensor probe with increased lifetime
A sensor for use in monitoring electrochemical potentials, includes (a) a crucible made of ceramic material having a closed end and an open end, the close end containing metal/metal oxide powder...
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6855238 |
Measuring device for determining the oxygen activity in metal melts or slag melts
A measuring device for determining the oxygen activity in metal melts or slag melts has a measuring head arranged on the end of a carrier tube, on which head an electrochemical measuring cell is...
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6846639 |
Method for detecting pathogens attached to specific antibodies
The use of impedance measurements to detect the presence of pathogens attached to antibody-coated beads. In a fluidic device antibodies are immobilized on a surface of a patterned interdigitated...
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6787368 |
Biosensor method for detecting analytes in a liquid
A diagnostic method and device for use in detecting or quantitating an analyte present in a liquid sample. The method includes reacting an analyte-containing sample with reagents capable of...
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6716336 |
Sensor for determining the concentration of sulphur compounds in a liquid
A sensor for determining the concentration of sulphur compounds in a liquid includes: a working electrode in contact with the liquid to be analyzed; a referenced electrode insulated from the liquid...
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6576460 |
Filtration-detection device and method of use
The present invention relates to a filtration-detection device for detecting or quantifying an analyte in a test sample including a filtration device having a first binding material immobilized...
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6527943 |
Fuel cell concentration sensor
The measuring range of a fuel cell based concentration sensor can be extended by decreasing the load across the fuel cell terminals and by increasing the amount of oxidant supplied to the fuel...
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6514394 |
Sensor for application in molten metals
An electrochemical sensor to measure the activity of a metallic component in a molten metal, comprising the molten metal as the measuring electrode, a reference electrode containing the metallic...
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6509148 |
Method for fabricating biosensors using hydrophilic polyurethane
Disclosed is a method for fabricating biosensors, using hydrophilic polyurethane. Bio-active reagents, including enzymes, antibodies, antigens, cells and receptors, are mixed with hydrophilic...
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6488837 |
Methanol sensor operated in a passive mode
A sensor outputs a signal related to a concentration of methanol in an aqueous solution adjacent the sensor. A membrane electrode assembly (MEA) is included with an anode side and a cathode side....
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6464940 |
pH sensor and pH measurement method employing the same
A pH sensor is provided capable of readily determining the pH of a solution of a small amount. The pH sensor includes a semiconductor substrate, an oxide film provided on the semiconductor...
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6420168 |
Histamine measuring apparatus and a histamine measuring method
Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and...
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6347543 |
Measuring sensor and method for its fabrication
A measuring sensor, in particular, for determining the oxygen content in exhaust gases of internal combustion engines, includes a ceramic molding arranged in a metal housing for the accommodation...
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6328867 |
Sensors for measuring the solute contents of liquid ferrous and non-ferrous metals
An electrochemical field probe for measuring solute concentrations of elements dissolved in a liquid, such as a molten metal bath, generally including a base having a first end, a second end, an...
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6322680 |
Universal ion-selective meter
The proposed multipurpose ion-selective sensor is designed to be operational in any spatial position in harsh environment and incorporates a housing tube (1) where a number of elements are fixed...
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6306285 |
Techniques for sensing methanol concentration in aqueous environments
An analyte concentration sensor that is capable of fast and reliable sensing of analyte concentration in aqueous environments with high concentrations of the analyte. Preferably, the present...
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6300141 |
Card-based biosensor device
A diagnostic card device for use in detecting or quantitating an analyte present in a liquid sample, comprising a card substrate having a sample introduction region, a biosensor, and a sample-flow...
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6258231 |
Chemical mechanical polishing endpoint apparatus using component activity in effluent slurry
An apparatus for determining the endpoint in a chemical mechanical polishing operation used for polishing a metal-containing material includes an electrochemical cell and an electronic circuit. An...
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6156174 |
Immersion sensor for measuring an electrochemical activity
A process as well as an immersion sensor for measuring an electrochemical activity of a layer lying on a melt is provided, using an electrochemical sensor, which has a measuring cell and a counter...
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6083368 |
Probe device for continuous measurements of oxygen in running molten metal
An external conductive protection tube has in a front half wall thereof a front opening formed therein with a front open area large enough to leave molten metal running in due course to inflow...
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6074547 |
Process and device for measuring the oxygen potential in a silicon melt
A process for measuring the oxygen potential in a silicon melt uses an electrochemical potential probe which dips into the melt. The probe voltage is measured using this potential probe which is...
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6013163 |
Probe for detection of the concentration of various elements in molten metal
A system is provided for measuring the concentration of an element in molten metal such as silicon, chromium, manganese or aluminum. The system includes a probe with a sensor having a solid...
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5989408 |
Process for measuring an electrochemical activity
A a process as well as an immersion sensor for measuring an electrochemical activity of a layer lying on a melt is provided, using an electrochemical sensor, which has a measuring cell and a...
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5942388 |
Electrobiochemical method and system for the determination of an analyte which is a member of a recognition pair in a liquid medium, and electrodes thereof
An elcctrobiochemical system for the determination of the presence and optionally concentration of an analyte in a liquid medium, the system comprising an electrode having immobilized thereon a...
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5902468 |
Device for conducting electrochemical measurements in glass or salt melts
A device for conducting electrochemical measurements in glass or salt melts has at least one indicator electrode and one reference electrode arrangement. In order to be able to conduct very exact...
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5894082 |
Apparatus for measuring oxygen within molten substance
An apparatus for measuring oxygen within a molten substance comprises a compact oxygen probe unit constructed by assembling a tubular shell whose one end is closed, which is made of solid...
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5792329 |
Apparatus to measure an electro-chemical activity
The invention relates to a method to measure an electro-chemical activity of a non-metallic liquid layer lying on a molten bath by means of a measuring cell with an electro-chemical element which...
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5719033 |
Thin film transistor bio/chemical sensor
A chemical sensor includes a thin film transistor with a gate positioned on one side. An insulating layer is positioned on the opposite side and an indicator film is positioned on the insulating...
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5656677 |
Method for preparing and applying a sprayable, light stable polyurethane
A method for preparing a light stable polyurethane, sprayable by means of a spray pistol, wherein use is made of an active hydrogen containing compound, wherein the functional groups consist for at...
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5656143 |
Sensors for the analysis of molten metals
A solid electrolyte sensor to measuring the amount of trace elements, such as sulfur, in molten metals such as steel is provided wherein zirconia toughened strontium β-alumina is used as the solid...
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5611901 |
Oxygen measuring probe
An oxygen measuring probe for use with molten metal baths for the manufacture of glass which probe comprises a probe body (4) comprising an elongate tubular member (6) closed at one end by a...
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5580439 |
Reference electrode for electrochemical determination of oxygen partial pressure in an ionic melt
The method of electrochemical determination of oxygen partial pressure in ionic melts includes providing a metal/metal oxide reference electrode consisting of an electrode body made of a metal...
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5494831 |
Electrochemical immunosensor system and methods
A electrochemical immunosensor system is provided which uses electrical signals to measure binding events. The system includes an immunosensor having a sensing electrode in contact with a fluid...
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5495176 |
Ceramics cell for measuring electrical conductivity of liquid solution
In a cell for measuring electrical conductivity, a container (2) and electrodes (1) are made of ceramics having high corrosion-resistant property. Insulating ceramics are used for the container...
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5480523 |
Method of using oxygen measuring probe
An oxygen measuring probe for use with molten metal baths for the manufacture of glass which probe comprises a probe body (4) comprising an elongate tubular member (6) closed at one end by a...
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5445725 |
Sensor probe for measuring hydrogen concentration in molten metal and method for measuring hydrogen concentration
On the inner surface of sensor element made of proton conductive solid electrolyte with perovskite structure and enclosed at its lower end, a reference electrode constituted of porous electrode is...
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5393403 |
Probe using a mixed sub-electrode for measuring the activity of carbon in molton iron
A probe having the inventive composition, it is possible to measure the activity of the solute carbon which could not be measured by the prior art because there did not exist solid oxide or solid...
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5393400 |
Component sensor for molten metals
A metal melt is used as a measuring electrode while a pure form of a particular metal component to be measured or an alloy containing it is used as a standard electrode. The active substance to...
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5368818 |
Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide
A cation exchange resin is regenerated to remove alkanolamine and alkali metal cations from the resin by eluting the resin with alkali metal hydroxide to selectively displace alkanolamine from the...
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5354449 |
pH electrode
A pH electrode suitable for in vivo use is provided in a cannula 10, and comprises a reference electrode 14 consisting of a chloridized silver wire surrounded by a solid unbuffered internal...
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5344547 |
Polycrystalline ion selective electrode
An improved "all solid state" ion selective electrode device comprising a unique sensing element of triple-layer membrane construction. The first sensor layer of the sensing membrane comprising a...
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