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Document Title |
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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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7951600 |
Electrodeposition baths, systems and methods
Electrodeposition baths, systems and methods are provided. In some embodiments, the baths, systems and methods are used to deposit metal alloy coatings.
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7918989 |
Gas sensor and method thereof
A gas sensor and method thereof are provided. The example gas sensor may include first and second electrodes formed on a substrate, a carbon nanotube connecting the first and second electrodes on...
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7887685 |
Multilayer gas sensor having dual heating zones
A gas sensor for detecting NOX is provided. The gas sensor may have a plurality of substrate members, a first sensing electrode, and a second sensing electrode. The gas sensor may also have a first...
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7828955 |
Ammonia gas sensors
One embodiment of an ammonia gas sensor includes: a reference electrode, an ammonia selective sensing electrode and an electrolyte disposed therebetween. The sensing electrode comprises the...
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7799202 |
Method for determining parameters of a gas-selective electrode
Gas-selective electrodes in liquid analyzing devices have a characteristic curve K with a linear portion L and a non-linear portion NL. In the non-linear portion NL, the characteristic previously...
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7763154 |
Method and sensor element for determining a gas in a gas mixture
A method and a sensor element are provided for determining the concentration of an oxidizable gas in a gas mixture, e.g., in exhaust gases of internal combustion engines. Within the sensor element...
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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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7722749 |
Gas sensor and method for forming same
A sensor including a species selective electrode and a reference electrode having an electrolyte layer disposed therebetween; a reference gas channel in fluid communication with the reference...
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7611613 |
High temperature total NOx sensor
A total NOx sensor with minimal interferences from CO and O2 includes a yttria-stabilized zirconia (YSZ) pellet and a Pt-loaded zeolite Y layer. Furthermore, three platinum wires are attached to...
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7581390 |
Method and system for improving sensor accuracy
A method and system for improving sensor accuracy of diesel emissions is disclosed. The method and system comprises changing the sensor reading as a function of sensor age to provide a more...
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7537678 |
Detecting electrode and nitrogen oxide sensor using the same
The present invention uses a sensor electrode (3) in a nitrogen oxide sensor (10) which includes a nitrate or nitrite of an alkali metal and an oxide of a rare-earth element. The nitrate/nitrite of...
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7413645 |
Devices, systems and methods for testing gas sensors and correcting gas sensor output
A method of adjusting the output of an electrochemical sensor includes the steps of: simulating the presence of an analyte gas electronically; measuring a response of the sensor to the electronic...
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7244345 |
Electrochemical method and sensor for the detection of traces of explosives
A system for highly sensitive electrochemical detection of trace nitro-aromatic compounds in air, uses a carbon or carbon/gold working electrode with a surface that is modified to increase the...
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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 in a...
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7087150 |
Chloramine amperometric sensor
A chloramine amperometric sensor includes a sensor body with an electrolyte disposed inside the sensor body. A membrane is coupled to the sensor body and adapted to pass chloramine therethrough. A...
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7074319 |
Ammonia gas sensors
One embodiment of an ammonia gas sensor includes: a reference electrode, an ammonia selective sensing electrode and an electrolyte disposed therebetween. The sensing electrode comprises the...
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6890422 |
Oxidizable gas component sensor and method of using the sensor
An electrochemical gas sensor determining the concentration of oxidizable gas components which has an electrochemical measuring cell having a measuring electrode and a reference electrode....
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6827839 |
Plating bath analysis
Disclosed are methods for determining the quantity of leveler in an electroplating bath in the presence of other organic additives, such as accelerators, brighteners and suppressors. Such methods...
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6709568 |
Method for determining concentrations of additives in acid copper electrochemical deposition baths
The present invention relates to a method for determining concentration of brightener and leveler contained in an aqueous acid metal electroplating solution, by firstly determining the...
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6709561 |
Measurement of the concentration of a reducing agent in an electroless plating bath
The concentration of a reducing agent in an electroless bath for plating a first metal is determined from the effect of the reducing agent on the electrodeposition rate of a second metal. For...
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6627066 |
Method of measuring the concentration of a leveler in a plating liquid
The concentration of a leveler in a plating liquid that is used by a plating apparatus for filling metal such as copper in interconnection trenches and holes defined in the surface of a...
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6572753 |
Method for analysis of three organic additives in an acid copper plating bath
Acid copper electroplating baths used to form ultra-fine circuitry features on semiconductor chips contain suppressor, anti-suppressor and leveler additives that must be closely controlled in order...
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6521119 |
Method and device for the detection of not easily volatized substances
A method and device for the detection of substances such as nitrotoluene, trinitrotoluene, dinitrotoluene, or derivatives, wherein a working electrode and an opposing electrode are contacted with...
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6428665 |
Electrochemical gas sensor
An electrochemical gas sensor has a first gas diffusion electrode for a first reaction gas, which is inactive with respect to a second reaction gas at least in a first potential window, and a...
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6416652 |
Method for measuring ammonia in biochemical processes
The present invention relates to apparatus and a method for measuring ammonia in biochemical processes, and more particularly to apparatus for real time measuring the amount of ammonia in a liquid...
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6379529 |
Sensor element design for determining the concentration of oxidizable constituents in a gas mixture
The invention proposes a sensing element which serves to determine the concentration of oxidizable constituents in a gas mixture, in particular of hydrocarbons, NO, and NH3. Electrically conductive...
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6372105 |
Apparatus for measuring a silver or halogen ion concentration
A method of producing a silver halide photographic emulsion in which a silver ion concentration in precipitation of a silver halide emulsion in a precipitation bath is controlled, wherein a...
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6312585 |
Method for determining oxidizable constituents in a gaseous mixture
A method and arrangement is described for determining oxidizable constituents in a gas mixture by using a solid electrolyte cell with at least one reference electrode and at least one working...
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6299743 |
Electrolytic generation of nitrogen
The invention provides methods and devices for the electrochemical generation of nitrogen from organic nitrogen compounds, such as hydrazides (RCONHNH2), the corresponding organic...
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6261440 |
Interference free biosensor
Provided are microparticle forms of carbon, carbon catalysts and carbon-containing electrically conductive materials which are covalently linked to peroxidase. The carbon:peroxidase conjugates are...
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6248224 |
Toxic sensor and method of manufacture
An electrochemical sensor is described for the analysis of ammonia in air functioning in an amperometric measuring operation. The cell consists of either an immobilized organic electrolyte or a...
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6224745 |
Process and device for continuously detecting at least one substance in a gaseous or liquid mixture by means of a sensor electrode
Processes and devices are disclosed for continuously detecting at least one substance in a gaseous or liquid mixture by means of a sensor electrode to which is applied a variable potential. In an...
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6177000 |
Biosensor comprising a lipid membrane containing gated ion channels
A biosensor has a lipid membrane (7) containing gated ion channels sensitive to the presence or otherwise of an analyte molecule in a sample applied, in use, to a first side of the lipid membrane...
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6129824 |
Electrochemical sensor for the detection of hydrogen chloride
The present invention provides an electrochemical sensor for the detection of hydrogen chloride. In general, the electrochemical sensor comprises a housing having disposed therein a working...
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6129831 |
Hydrogen peroxide sensor
The sensor electrode has a sensing surface intended to contact a liquid medium for continuous measuring, in combination with a counter electrode and a reference electrode, of the hydrogen peroxide...
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6090267 |
Methods and apparatus for quantitative analysis of a sample
Methods for determining the amount of volatile electrolyte present in an aqueous liquid sample comprise transferring the electrolyte from the aqueous liquid sample to an absorber solution across a...
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6074539 |
Electrochemical sensor for the detection of hydrogen cyanide
The present invention provides an electrochemical sensor for the detection of hydrogen cyanide. In general, the electrochemical sensor includes a housing having disposed therein a working...
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6001240 |
Electrochemical detection of hydrogen cyanide
The present invention provides an electrochemical sensor for the detection of hydrogen cyanide. In general, the electrochemical sensor includes a housing having disposed therein a working...
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5958214 |
Electrochemical sensor with a solid electrolyte for measuring the gas concentration
The invention relates to an electrochemical sensor to determine the concentration of a gas to be quantified, comprising a housing, a measuring electrode comprising a catalystically active material...
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5948236 |
Determination of chlorate ion concentration using microelectrodes
An in-situ procedure is described for measuring chlorate ion concentration in aqueous media containing the same by employing electrodes, particularly microelectrodes which generate a sigmoidal-type...
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5944969 |
Electrochemical sensor with a non-aqueous electrolyte system
Accordingly, the present invention provides an electrochemical sensor comprising at least two electrochemically active electrodes, a non-aqueous electrolyte system and a diffusion barrier membrane...
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5942102 |
Electrochemical method
A method for determining the concentration of a reduced or oxidized form of a redox species in an electrochemical cell (FIG. 10) of the kind comprising a working electrode (2) and a counter...
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5908546 |
Detection of hydrogen chloride
The present invention provides an electrochemical sensor for the detection of hydrogen chloride. In general, the electrochemical sensor comprises a housing having disposed therein a working...
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5820745 |
Method of measuring the concentration of a gas in a gas mixture and electrochemical sensor for determining the gas concentration
The invention relates to a method as well as to an electrochemical sensor for measuring the concentration of at least one predetermined gas in a gas mixture by means of an electrolyte provided with...
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5733437 |
Method for detecting small molecules in aqueous liquids
A method for detecting organic molecules such as benzene, xylene, ethylbenzene and toluene present in trace quantities in aqueous solutions is provided. The method uses a zeolite having a multiple...
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5662806 |
Hemodialysis monitoring system for hemodialysis machines
An improved on-line real time hemodialysis monitoring system for hemodialysis treatment. The hemodialysis monitoring system quantitates the rate and amount of a constituent, such as urea, removed...
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5626738 |
Methods for the separation and detection of nitrosothiols
A method for detecting a nitrosothiol in an eluant from a chromatographic process including passing the eluant through a series of electrodes comprising an upstream working electrode and a...
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5624546 |
Method and apparatus for the detection of toxic gases
A compact electrochemical cell utilized for the detection of numerous toxic gases. The cell includes working and counter electrodes, surrounded by a liquid electrolyte, all of which is enclosed...
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5605617 |
Conductive polymer film doped by mixed heteropolyanions usable for the detection of nitrite ions, nitrogen monoxide or a substance containing NO
The invention relates to the amperometric detection of nitrite ions and nitrogen monoxide by electrocatalytic reduction by means of electrodes (15) modified by an electronically conductive polymer...
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