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7611621 |
Disposable oxygen sensor and method for correcting oxygen effect on oxidase-based analytical devices
A system and method for correcting the oxygen effect on oxidase-based analyte sensors includes an oxygen sensor with a working electrode, a reagent matrix disposed on at least the working electrode...
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7560012 |
Gas sensor
A gas sensor is constructed as follows. A protector ( 4 ) covering around a gas sensing element ( 2 ) has an inner hollow-cylindrical portion ( 6 ) and an outer hollow-cylindrical portion ( 7 )...
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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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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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7288299 |
Fullerenes to increase radiation resistance in polymer-based pellicles
A pellicle made of a polymer material contains fullerenes within the polymer material to reduce the damaging effects of radiation that is transmitted through the pellicle during an exposure...
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7208077 |
Sensor arrangement with electrically controllable arrays
An electric sensor array which is provided with several sensor positions that each have at least two microelectrodes. Molecular substances can be detected electrochemically and charged molecules...
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7208071 |
Amperometric sensor for low level dissolved oxygen with self-depleting sensor design
A dissolved oxygen sensor having a cathode and anode immersed in an electrolyte is designed to provide a low background current in the sensor when a potential is applied to the cathode. The...
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7182853 |
Redox control/monitoring platform for high throughput screening/drug discovery applications
The invention is a redox control and monitoring platform that is to be used in conduction with another detection scheme. The platform includes a portion of an electrochemical control. The...
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7175753 |
Process and device for monitoring the hydrogen concentration
A process and a device are provided for monitoring the hydrogen concentration in a gas with at least one device, which comprises an electrochemical gas sensor and a bipotentiostat, e.g., for use in...
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7156968 |
Electrode comprising material to help stabilize oxide of catalyst for electrochemical sensor
An electrode comprises a catalyst and material to help stabilize an oxide of the catalyst. The electrode for one embodiment may be used for an electrochemical sensor or sensor cell.
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7146203 |
Implantable biosensor and methods of use thereof
Provided herein is a stabilized oxygen transport matrix that includes a reversible oxygen binding protein, such as hemoglobin, immobilized throughout the stabilized oxygen transport matrix. The...
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6972083 |
Electrochemical method and system for monitoring hydrogen peroxide concentration in slurries
Electrochemical monitoring system and method are provided for online determination of hydrogen peroxide concentration in slurries, e.g., a chemical mechanical polishing slurry. The monitoring...
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6844098 |
Oxide-ion conductor and use thereof
An oxide-ion conductor has the formula Ln 1−x A x Ga 1−y−x B1 Y B2 z oxide, wherein Ln is at least one element selected from the group consisting of La, Ce, Pr, Nd and Sm; A is at least one...
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6837987 |
Carbon monoxide sensor
A method and apparatus for detecting the presence of carbon monoxide in a gas which may also contain contaminating substances uses a pre-treatment means to absorb contaminating substances and to...
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6758962 |
Oxygen sensing
Oxygen concentration measurement is carried out over a broad range by an instrument utilizing a zinc-air cell having a lower-than-nominal potential difference imposed across its electrodes by a...
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6706160 |
Chemical sensor and use thereof
A chemical sensor selectively detects an analyte in a solution. The sensor comprises a flow-through chamber, a selective membrane, a transducer, an inlet for a liquid flow containing a recognition...
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6689272 |
Acetate detecting sensor
An electrochemical sensor for detecting the presence and amount of acetate in cell culture and fermentation media. The electrochemical sensor has a pH electrode, an internal reference electrode, a...
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6652721 |
Sensor for determination of O2 concentration in liquids
A sensor ( 1 ) for measuring O 2 concentrations in liquids ( 2 ) has a working electrode ( 3 ), with a counterelectrode ( 4 ) and with a reference electrode ( 5 ), wherein the working electrode (...
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6344133 |
Process for operating an electrochemical measuring cell
A process for operating an electrochemical measuring cell ( 1 ) is described, with which it is possible to carry out gas concentration measurements already shortly after switching on the measuring...
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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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6187164 |
Method for creating and testing a combinatorial array employing individually addressable electrodes
An electrochemical deposition and testing system consisting of individually addressable electrode arrays, a fully automated deposition head, and a parallel screening apparatus is described. The...
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6171238 |
Portable hand-held device with a biosensor
The invention pertains to a portable hand device with biosensor for the investigation of biological fluids such as whole blood, liquor, urine and serum. It is characterized by a securely fixed...
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6165347 |
Method of identifying a gas
A method and apparatus for identifying an unknown reactive gas in a carrier gas, utilizing a sensor with a diffusion limited inlet. After a signal is established for the carrier gas, a flow of the...
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6146510 |
Sensor cartridge for a fluid analyte analyzer
The present invention is a sensor formed over a subminiature through hole. Because of the small diameter of the through hole, the material that fills the through hole and the through hole itself...
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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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6123828 |
Method and apparatus for measuring ethanol vapor concentration
A method and apparatus for measuring ethanol vapor concentration wherein a cell output is plotted with respect to time. The gradient of the steady rate portion of the plot is determined and an...
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6106692 |
Measuring concentrations of plural target substances by use of diamond electrode
There is provided a concentration sensor for measurement of concentrations of one or plural target substances in a system, with a detection electrode of conductive diamond. The measuring method...
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6096186 |
Method for determining exhaustion of an electrochemical gas sensor
A method by which an oxygen measuring instrument can test the functionality of the oxygen sensor. Oxygen sensors of the galvanic type operate by consumption of an internal easily oxidizable anode,...
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6090268 |
CO gas sensor and CO gas concentration measuring method
A CO gas sensor according to the present invention includes a gas collecting container for collecting a measured gas therein; a detecting section provided within the gas collecting container and...
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6066249 |
Method for calibrating an instrument for measuring electrolytes and metabolites by analysis of blood gases
A method for calibrating an instrument for the analysis of blood gases which possesses ion-sensitive electrodes and gas-sensitive electrodes and is used for the determination, in a biological...
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6042714 |
Method and chemical sensor for determining concentrations of hydrogen peroxide and its precursor in a liquid
A new method which employs a mixed-valence cluster of M y z + [Fe(II)(CN) 6 ] coated on an electrode surface to determine hydrogen peroxide concentration electrochemically is developed. M of the...
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5993640 |
Method of measuring the CaCO.sub.3 content of a scrubbing suspension, especially for a flue gas desulfurizing absorber
The CaCO 3 content of a scrubbing suspension, especially for a desulfurizing apparatus for flue gas is measured by injecting an acid into a constant mass flow of the suspension circulating along a...
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5985129 |
Method for increasing the service life of an implantable sensor
Methods are described for extending the service life of implantable sensors having a silver-containing anodic reference electrode maintained at a high impedance, at least one noble metal cathodic...
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5958200 |
Electrochemical gas sensor
The present invention pertains to an electrochemical gas sensor, which has an electrode system for the measurement and is directly coupled with the environment via a gas inlet. To avoid fault...
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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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5938917 |
Electrodes for measurement of peroxides
An electrode characterized by a layer of at least one polymer containing ferrocenylalkyl groups. The electrodes are useful in detecting hydrogen peroxide, organic (hydro)peroxides and lipid...
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RE36268 |
Method and apparatus for amperometric diagnostic analysis
The present invention relates to a novel method and apparatus for the amperometric determination of an analyte, and in particular, to an apparatus for amperometric analysis utilizing a novel...
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5921922 |
Measuring of bloodgases
A method and an equipment for determining components, particularly pH, pO 2 and pCO 2 in blood. In order to facilitate the determination of blood gases, one sensor is used for measurement of...
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5910450 |
Process and device for enriching gas, vapor and/or aerosol emissions released from an object
A process for enriching substance emissions released from an object in the form of gases, vapors or aerosols, wherein the substance emissions are fed to an adsorption layer by diffusion or...
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5906719 |
Sensor device
An amperometric sensor device comprising a working electrode, a reference/pseudo-reference electrode and a permselective membrane incorporating a charged organic species. The electrodes are in...
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5906726 |
Electrochemical sensor approximating dose-response behavior and method of use thereof
The present invention provides an electrochemical sensor for the detection of an analyte, wherein the output or response of the electrochemical sensor approximates the dose-response behavior of a...
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5893968 |
Method and apparatus for measuring combustible gas component by burning the component
An apparatus for measuring a combustible gas component of a subject gas in an external subject gas space, including a first processing zone communicating with the subject gas space, 58), a second...
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5876577 |
Electrochemical oxygen sensor
An electrochemical oxygen sensor comprises an impermeable substrate and a plurality of conductive layers applied thereto by thick film deposition. At least one conductive layer comprises an...
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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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5788832 |
Temperature compensated electrochemical gas sensor and method for closely tracking the temperature variations of a gas to be sensed
An electrochemical gas sensor having a temperature sensitive element such as a thermistor arranged within the gas sensor in a temperature insulative fashion for preventing any variations in the...
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5741413 |
Gas sensors and method of using same
A method of calibrating and using a device for the determination of the concentration of an active gas in a mixture of gases wherein the device incorporates a gas sensor (4) and has gas diffusion...
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5728290 |
Polarographic sensor and method of using same
A polarographic sensor device to determine the partial pressure of a gas in a sample medium is disclosed. The device comprises a) a substantially hydroscopic electrolyte composition joining a pair...
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5723036 |
Electrochemical measuring cell
The invention is directed to an electrochemical measuring cell 1 for detecting different gas components. The electrochemical measuring cell includes several measuring electrodes (8, 12, 13), a...
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5711868 |
Electrochemical sensors membrane
A solid state, multi-use electrochemical sensor having an electrically nonconductive substrate, a working electrode, and a semi-permeable membrane covering the working electrode. The working...
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5700360 |
Fluoroelastomer gasket for blood sensors
An elastomer, especially a fluoropolymeric elastomer, meets requirements necessary for use as a gasket in contact with primary membranes of electrochemical sensors of both blood gas and ionic...
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