Class / Patent application number | Description | Number of patent applications / Date published |
204415000 | Selectively permeable membrane | 59 |
20080202929 | Oxygen Sensors - An electrochemical oxygen sensor includes a micro-porous plastic membrane supported on a sealing disk and located between a gas inflow port and the sensor's electrolyte. The membrane and disk minimize thermal shock effects due to using the sensor at a first location, at a first temperature, and then moving it to a second location at a different temperature. | 08-28-2008 |
20080264789 | Film-Type Solid Polymer Ionomer Sensor And Sensor Cell - A miniaturized gas sensor including film type electrodes, and a solid ionomer electrolyte, for the detection of toxic gases, i.e., carbon monoxide, and other oxidizable or reducible gases and vapors is described. The all-solid planar sensor cell has two or more film type electrodes arranged on a non-conductive planar surface of a supportive material. The electrodes are discrete and in intimate contact with the same solid polymer ionomer membrane. The sensor cell contains no liquid electrolyte and is operated in a potentiostatic or potentiodynamic mode. The unique feature of the sensor cell is that high sensitivity to a select gas or vapor is achieved by a novel three-phase contact area design for a sensing electrode which is easily accessible to the gas sample via small diffusion openings or holes that penetrate through the solid polymer ionomer membrane layer above the sensing electrode. A significant signal to background noise enhancement is achieved for these film type sensor cells by processes that increase the three-phase contact area | 10-30-2008 |
20080296156 | SENSOR ELEMENT FOR DETERMINING A PHYSICAL PROPERTY OF A MEASURING GAS - A sensor element is provided for determining a physical property of a measuring gas, especially of the concentration of at least one gas component in the measuring gas, which has at least one ceramic layer, a diffusion barrier adjoining the at least one ceramic layer and at least one electrode that is exposed to the measuring gas diffusing through the diffusion barrier. In order to reduce the production variations with respect to the static pressure dependence and the limiting current of the diffusion barrier), the proportions of silicon in the diffusion barrier and in the at least one ceramic layer are approximately equal and differ by not more than 1 wt. %. | 12-04-2008 |
20090008251 | Liquid Electrolyte Gas Sensor Comprising Rigid Porous Electrode Support - An electrochemical gas sensor has a working electrode having a gas porous membrane and a catalyst layer formed on one side of the membrane; a counter electrode electrolyte in contact with the catalyst both of the working electrode and of the counter electrode; and a support that is in contact with, and presses against the side of the working electrode remote from the electrolyte and that compresses the electrodes and the electrolyte together. The support includes open areas enabling gas to contact the membrane. The support provides a faster response and provides greater efficiency of catalyst usage. | 01-08-2009 |
20090020423 | Potentiometric Mg2+ Sensor and Method thereof - A potentiometric Mg | 01-22-2009 |
20090026077 | RAPID ELECTROCHEMICAL EVALUATION APPARATUS - A system and method are provided for rapidly evaluating electrochemical components such as catalysts, electrodes, electrolyte, and membranes that delivers a high degree of accuracy and requires minimal materials costs. In one embodiment, the system may comprise a detachable electrochemical cell for housing an electrochemical reaction. The cell may comprise an anode chamber and a cathode chamber separated by an ion-diffusion membrane and an electrically conductive current collector in electrochemical communication with the cell. The reaction cell includes an outlet port in the cell to permit the removal of product gasses, and ports to permit the flow of electrolyte through said cell. The system further comprises means, for example, a reciprocating piston, for sealing the reaction cell to the system to prevent exposure of the electrochemical reaction to the ambient environment, where the cell and adjacent components may be sealed by, for example, gaskets, that permit rapid separation. | 01-29-2009 |
20090120792 | ELECTROLYTE CARTRIDGE UNIT FOR AN ELECTROCHEMICAL SENSOR - Cartridge unit for an electrochemical sensor comprising:
| 05-14-2009 |
20090173629 | MULTIPARAMETER SYSTEM FOR ENVIRONMENTAL MONITORING - A miniature, lightweight, inexpensive, environmental monitoring system containing a number of sensors that can simultaneously and continuously monitor fluorescence, absorbance, conductivity, temperature, and several ions. Sensors that monitor similar parameters can cross-check data to increase the likelihood that a problem with the water will be discovered. | 07-09-2009 |
20090236224 | ELECTROCHEMICAL SENSOR AND METHOD FOR MANUFACTURING THE SAME - It is an object of the present invention to provide an electrochemical sensor which can prevent occurrence of cracks at the welding portion between a support tube made of lead-free glass and a sensitive glass membrane or ceramics, and a method for manufacturing the same. The electrochemical sensor | 09-24-2009 |
20090266712 | CALCIUM ION SENSORS AND FABRICATION METHOD THEREOF, AND SENSING SYSTEMS COMPRISING THE SAME - A calcium ion sensor is provided. The calcium ion sensor includes a metal oxide semiconductor field effect transistor, a sensing unit including a substrate, a ruthenium dioxide membrane formed thereon and a calcium ion sensing membrane formed on the ruthenium dioxide membrane, and a conductive wire connecting the metal oxide semiconductor field effect transistor and the sensing unit. The invention also provides a method for fabricating a calcium ion sensor, and a sensing system including the sensor. | 10-29-2009 |
20090301876 | SENSOR AND METHODS OF MAKING THE SAME - This disclosure relates to an improved electrochemical sensor that has a simplified electrode assembly. The electrode assembly incorporates electrodes into or onto a single polymeric substrate. The working electrode can be porous, to enable an analyte, such as a toxic gas, to access an electrode-electrolyte interface. Ionic connection between electrodes can be made by an electrolyte on a back side of the electrode assembly, and external electronic circuitry can be connected directly to the electrode assembly. This construction dramatically simplifies the sensor, resulting in reduced costs and potentially improved performance. The construction is compatible with batch fabrication methods. | 12-10-2009 |
20100018860 | SENSOR ELEMENT HAVING LIMITING CURRENT CALIBRATION FREE OF CRACKS - A sensor element for determining at least one physical property of a gas in a measuring gas chamber, particularly for determining an oxygen concentration in an exhaust gas. The sensor element includes at least one first electrode and at least one second electrode, and at least one solid electrolyte connecting the first electrode and the second electrode. The second electrode is situated on the inside of the sensor element and is able to have gas from the measuring gas chamber applied to it via at least one gas access hole and at least one diffusion barrier. At least partially gas-impermeable cover layer is provided on the diffusion barrier, at least from area to area. The gas access hole has at least one chamfer in the vicinity of the cover layer. | 01-28-2010 |
20100044226 | CARBON DIOXIDE SENSOR AND METHOD OF DETERMINING PARTIAL PRESSURE OF CARBON DIOXIDE - A carbon dioxide sensor and a method of detecting carbon dioxide using the sensor are provided, the sensor includes a closed chamber having as a wall portion thereof a substantially watertight, carbon dioxide-permeable membrane, two electrodes disposed in the chamber, and a film of substantially electrolyte-free liquid disposed in the chamber capable of simultaneously contacting the membrane and both of the electrodes. | 02-25-2010 |
20100175993 | DISC-SHAPED MICROFLUIDIC DEVICE CAPABLE OF DETECTING ELECTROLYTES INCLUDED IN SPECIMEN BY USING ELECTROCHEMICAL METHOD - Provided is a rotatable disc-shaped microfluidic device which can electrochemically detect electrolytes comprised in a specimen. The microfluidic device including: a specimen chamber which accommodates a specimen; a detection chamber which receives the specimen from the specimen chamber; and an ion sensor which is formed in the detection chamber to electrochemically detect electrolytes in the specimen and includes an indicator electrode, a standard electrode and an ion selective film formed on a portion of the indicator electrode. The standard specimen is accommodated in the detection chamber, and a standard potential is measured. Then, the specimen is accommodated in the detection chamber, and a measurement potential is obtained to detect the concentration of the electrolytes comprised in the specimen. | 07-15-2010 |
20100230285 | Analyte Sensors and Methods of Making and Using the Same - Methods and systems for providing continuous analyte monitoring including in vivo sensors that do not require any user calibration during in vivo use are provided. Also provided are methods and devices including continuous analyte monitoring systems that include in vivo sensors which do not require any system executed calibration or which do not require any factory based calibration, and which exhibit stable sensor sensitivity characteristics. Methods of manufacturing the no calibration sensors and post manufacturing packaging and storage techniques are also provided. | 09-16-2010 |
20100252430 | SENSOR FOR MEASURING A BIOANALYTE SUCH AS LACTATE - The present disclosure relates to a sensor including a plurality of electrically conductive fibers. The sensor also includes a sensing material coating at least some of the fibers, and an insulating layer that surrounds the electrically conductive fibers. | 10-07-2010 |
20110005928 | ELECTROCHEMICAL CARBON DIOXIDE SENSOR - A method for the detection of carbon dioxide gas using an electrochemical sensor. The method includes exposing a gas to a sensor, which includes a non-conductive solid substrate and at least one each of a metal oxide sensing electrode, a reference electrode and a counter electrode positioned on the substrate. A solid polymer electrolyte anion-exchange membrane is in intimate contact with the sensing electrode, reference electrode and counter electrode. The method is highly sensitive and selective to carbon dioxide with a very rapid response time. | 01-13-2011 |
20110048943 | Cathodic materials for use in electrochemical sensors and associated devices and methods of manufacturing the same - A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments. | 03-03-2011 |
20110100813 | ELECTROCHEMICAL SENSORS INCLUDING ELECTRODES WITH DIFFUSION BARRIERS - An electrochemical gas sensor includes a housing, a first working electrode within the housing and having a first section of gas transfer medium and a first layer of catalyst on the first section of gas transfer medium, and at least a second working electrode within the housing and having a second section of gas transfer medium and a second layer of catalyst on the second section of gas transfer medium. At least one of the first section of gas transfer medium and the second section of gas transfer medium includes at least one area in which the structure thereof has been irreversibly altered to limit diffusion of gas through the at least one of the first section of gas transfer medium or the second section of gas transfer medium toward the other of the at least one of the first section of gas transfer medium and the second section of gas transfer medium. | 05-05-2011 |
20110100814 | SENSOR ASSEMBLIES AND VENT MEMBERS THEREFOR - A sensor includes a housing, at least two electrodes within the housing, an electrolyte providing ionic conductivity between the electrodes and a vent member including a first section including a portion extending through a passage in the housing. The vent member also includes at least one extending member connected to the first section that extends through at least a portion of an interior of the housing. The first section of the vent member is porous so that gas can diffuse from the interior of the housing to an exterior of the housing via the vent member. | 05-05-2011 |
20110147212 | CAPACITIVE DEIONIZATION DEVICE - A capacitive deionization device includes; at least one flow path configured to receive influent fluid, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, at least one electrolyte solution disposed between at least one of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, and at least one electrolyte compensation device in fluid communication with the at least one electrolyte solution, wherein the at least one electrolyte solution differs from the influent fluid. | 06-23-2011 |
20110147213 | Electrochemical measuring probe, filling arrangment and maintenance system - An electrochemical, especially potentiometric, measuring probe ( | 06-23-2011 |
20120055789 | AMPEROMETRIC ELECTROCHEMICAL CELLS AND SENSORS - Amperometric ceramic electrochemical cells comprise, in one embodiment, an electrolyte layer, a sensing electrode layer comprising a ceramic phase and a metallic phase, and a counter electrode layer, wherein the cell is operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gases such as nitrogen oxides (NO | 03-08-2012 |
20120145542 | SENSITIVE MEMBRANE FOR ION SELECTIVE ELECTRODE - A sensitive membrane for an ion selective electrode selectively responsive to Na+ ion, the sensitive membrane having an ionophore,, an anion exclusion agent, a plasticizer and a membrane matrix, wherein the amount of the ionophore is from 85 wt % to 95 wt % based on the mixed amount of the ionophore and the anion exclusion agent. | 06-14-2012 |
20120152741 | REFERENCE ELECTRODE - The present invention is intended to enable silver ions in an internal electrolyte solution of a reference electrode to be suppressed from being eluted, and also suppress a potential variation that occurs due to production of a poorly-soluble silver compound on surfaces of a liquid communication part and the like, and specifically provided with: an internal electrode formed of a silver/silver chlorides electrode; an internal electrolyte solution that is in contact with the internal electrode; and a containing body that contains the internal electrolyte solution, in which the containing body is formed of a material that does not have anionic conductivity but has cationic conductivity and moisture permeability. | 06-21-2012 |
20120193229 | Electrochemical Oxygen Sensor with Internal Barrier to Oxygen Diffusion - An electrochemical sensor includes a micro-porous plastic membrane supported on a disk and located between a gas inflow port and an electrolyte having a gelled oxygen diffusion barrier. The oxygen diffusion barrier, formed of gelled agar, minimizes thermal shock effects by impregnating any porous materials in the sensor. | 08-02-2012 |
20120285828 | OXYGEN SENSORS - An electrochemical oxygen sensor includes a micro-porous plastic membrane supported on a sealing disk and located between a gas inflow port and the sensor's electrolyte. The membrane and disk minimize thermal shock effects due to using the sensor at a first location, at a first temperature, and then moving it to a second location at a different temperature. | 11-15-2012 |
20120325659 | MEASURING TRANSDUCER FOR DETERMINING A MEASURED VARIABLE REPRESENTING A CONTENT OF H+ AND/OR OH- IONS IN A MEASURED MEDIUM - A measuring transducer, which is embodied to produce and output a measurement signal dependent on the content of W and/or OH | 12-27-2012 |
20130020198 | SAMPLING PLATE - The present invention relates to a sampling plate. In particular the invention relates to a sampling plate for measuring certain selected properties of a liquid sample, such as the glucose levels in a blood sample. Sampling plates of the present invention have a sample zone ( | 01-24-2013 |
20130032479 | MEASURING TRANSDUCER FOR DETERMINING A MEASURED VARIABLE REPRESENTING AN ACTIVITY OF A TARGET ION IN A MEASURED MEDIUM - A measuring transducer embodied to produce and output a measurement signal dependent on an activity of a target ion present in a measured medium, wherein the measuring transducer has, in a region provided for contact with the measured medium, at least one membrane conducting the target ion; wherein the measuring transducer has a first potential sensing element and a second potential sensing element, and wherein at least one section of the second potential sensing element is arranged in the interior of the membrane and the first potential sensing element is arranged in an inner electrolyte, which is separated from the measured medium by the membrane and is in contact with the membrane. | 02-07-2013 |
20130043129 | GAS SENSOR AND PREPARING METHOD OF THE SAME - The present disclosure relates to a gas sensor including a nanopore electrode and a fluorine compound coated on the nanopore electrode, and also relates to a preparing method of the gas sensor. | 02-21-2013 |
20130068615 | Membrane and Sensor with Membrane - A membrane, especially for application in a sensor, which membrane includes a biocidal effect. The membrane comprises one or more components of the group consisting of: silver nano particles encapsulated in amphiphilic, core, shell structures, antimicrobial silanes, polymers with an antimicrobial end group, polyquads with modified end groups, and biocidally acting block copolymers. The membrane is resistant against aggressive agents, for example, corrosive or oxidizing cleaning agents, in the case of sterilizing, in the case of autoclaving, in the case of thermal loading and/or in the case of mechanical loading. | 03-21-2013 |
20130168245 | WATER ANALYSIS SENSOR ELECTRODE - A water analysis sensor electrode for determining an analyte in water includes a sensor electrode housing which is configured to be closed. The sensor electrode housing comprises an inner wall and an ion-selective sensor electrode diaphragm arranged at a lower distal end of the sensor electrode housing. An electrolyte solution is in the sensor electrode housing. A measuring electrode is arranged in the sensor electrode housing. A gas bubble is enclosed by the sensor electrode housing. A rigid rod element having a round cross section is arranged in the sensor electrode housing so that a continuous open capillary channel extends over a length of the sensor electrode housing between the rigid rod element and the inner wall. | 07-04-2013 |
20130175168 | Microelectrode Assemblies and Associated Electrochemical Sensors for Use in Gas and or Fire Detection Devices - An electrochemical carbon monoxide sensor that is optionally tankless and/or reservoir free for use in a gas/fire detector having a housing for containing a micro electrode assembly therein, and a micro electrode assembly which includes an anode, a cathode and an ion conducting membrane, wherein the ion conducting membrane permits ion transport between the anode and the cathode, and wherein the ion conducting membrane prevents electron conduction between the anode and the cathode, and further wherein the ion conducting membrane comprises at least one of an acid doped polybenzimidazole, an acid doped polypyridylbenzimidazole, a protic ionic liquid doped polybenzimidazole, a protic ionic liquid doped sulfonated polyimide, and combinations thereof. | 07-11-2013 |
20130277217 | THIN FILM MICROMACHINED GAS SENSOR - A thin film/MEMS electrochemical gas sensor includes a body having first and second joined subassemblies to form an interior portion of the body, and is composed of a semiconductor material. The body includes at least one opening configured to allow air to pass into the interior portion of the body. A membrane stack is located in the interior of the body, producing an electrical signal that represents a concentration of target gas in the air at the membrane stack. Conductive contacts are configured to provide electrical connection to the membrane stack to access the electrical signal produced by the membrane stack. | 10-24-2013 |
20130313111 | WATER-CONCENTRATION DETECTION DEVICE - A water-concentration detection device is configured to detect a water concentration of insulating gas filled in a gas-insulated device. The water-concentration detection device includes: a gas chamber in which the insulating gas introduced from the gas-insulated device is enclosed; electrodes that are porous and are arranged to face each other within the gas chamber; a solid electrolyte membrane that is hydrogen-ion conductive and is held between and fixedly attached to the electrodes; an impedance measurement unit that measures an alternating-current impedance between the electrodes by applying an alternating-current voltage to the electrodes; a water-concentration detection unit that detects the water concentration of the insulating gas based on the alternating-current impedance measured by the impedance measurement unit; and a drying unit that removes water from an atmosphere in the gas chamber before the insulating gas is introduced into the gas chamber from the gas-insulated device. | 11-28-2013 |
20140083852 | ELECTROCHEMICAL GAS SENSOR AND MOUNTING STRUCTURE THEREFOR - A sensor body of an electrochemical gas sensor having no water reservoir is housed in a metal can including a sensing electrode on one surface of a proton-conducting membrane or a separator retaining an electrolyte and a counter electrode on the opposite surface thereof. The counter electrode is supported by and electrically connected to the metal can via a connecting member. The sensing electrode is connected to a diffusion control plate with the sensing electrode-side ring member, and the ring member is conductive and includes a hole at a center thereof that is connected to a hole of the diffusion control plate. | 03-27-2014 |
20140090977 | Lead-Free Oxygen Sensor - An electrochemical sensor cell is disclosed. The cell comprised of a diffusion membrane, a cathode, an anode, an electrolyte, electronic circuit board with electronic leads contained in housing. The anode is made of substantially pure bismuth. The electrolyte may be either solid or aqueous solution of potassium hydroxide (KOH) solution or acetic acid (CH | 04-03-2014 |
20140116880 | Cathodic Materials for Use in Electrochemical Sensors and Associated Devices and Methods of Manufacturing the Same - A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments. | 05-01-2014 |
20140138245 | GAS SENSOR - A protector includes an inside protector having an inside peripheral wall and a front end wall in a front end side thereof and a tubular outside protector which surrounds the inside protector. In an outside peripheral wall of the outside protector, a plurality of outside introducing ports through which an external part of the outside protector communicates with a gas separating chamber are formed at equal intervals along a circumferential direction. The outside introducing ports are formed at positions nearer to the front end side than positions where inside introducing ports of the inside protector are formed. The outside introducing ports extend in the circumferential direction of the outside peripheral wall and formed in shapes of lateral holes in which opening lengths in the circumferential direction are larger than opening lengths in the direction perpendicular to the circumferential direction. | 05-22-2014 |
20140190827 | GAS SENSOR ELEMENT AND GAS SENSOR - A gas sensor element which has water-permeable electrodes, and water-impermeable leads connected to the electrodes A first electrode ( | 07-10-2014 |
20140246316 | CATHODIC MATERIALS FOR USE IN ELECTROCHEMICAL SENSORS AND ASSOCIATED DEVICES AND METHODS OF MANUFACTURING THE SAME - A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments. | 09-04-2014 |
20140339079 | IONOPHORE AND POLYMER MEMBRANE SELECTIVE FOR ALUMINUM (III) ION - The ionophore and polymer membrane selective for aluminum (III) ion provide an ionophore that is selective for aluminum (III) ion [Al | 11-20-2014 |
20140374251 | INTEGRATED PH AND CONDUCTIVITY SENSOR AND MANUFACTURING METHOD THEREOF - Disclosed is a pH and conductivity sensor including a carrier comprising a plurality of conductive tracks and an exposed conductive area defining a reference electrode connected to a first track of said plurality of conductive tracks, a sensing device mounted on the carrier and connected to at least a second track of said plurality of conductive tracks, the sensing device including an exposed surface that is sensitive to H | 12-25-2014 |
20150014165 | SOLID STATE AMPEROMETRIC CHLORAMINE SENSOR - A monochloramine microsensor includes an elongated housing defining a central axis and an open interior and having a capillary opening at one end. A semi-permeable membrane covers the capillary opening, the semi-permeable membrane allowing diffusion of chloramines there-through while preventing water from entering into the interior of the housing. A chloramine sensitive element in the form of a wire, fiber or nanotube is mounted within the housing, the chloramine sensitive element, when used in conjunction with an anode, outputs current in an amount proportional to the concentration of chloramine present in a liquid sample in which the chloramine sensitive element is immersed. The chloramine sensitive element extends along a length of the central axis to a first end adjacent to and spaced from the semi-permeable membrane. The chloramine sensitive element is a gold wire, a platinum wire, a carbon fiber or a carbon nanotube. | 01-15-2015 |
20150014166 | GALVANIC CELL TYPE OXYGEN SENSOR - Provided is a galvanic cell type oxygen sensor including a positive electrode, a negative electrode, an electrolyte solution, and a first oxygen permeable membrane, wherein the concentration of oxygen detected before ordinary use of the sensor is controlled into the range of 0.1 to 4.0% by volume both inclusive, or the output voltage of the sensor before ordinary use of the sensor is controlled into the range of 2.5 to 20% both inclusive of the output voltage thereof at the time of the ordinary use. | 01-15-2015 |
20150014167 | ELECTROCHEMICAL GAS SENSOR COMPRISING AN ANION-EXCHANGE MEMBRANE - The present invention is directed to electrochemical gas sensors for the detection of combustible, flammable or toxic gases and to catalyst-coated membranes (CCMs) used therein. The gas sensor comprises at least one solid anion exchange membrane (AEM), a sensing electrode and a counter electrode. The sensing electrode comprises catalytically active material and anionic ionomer material, the weight ratio between the catalyst material and the anionic ionomer material in the sensing electrode is in the range of 3/1 to 99/1, preferably in the range of 4/1 to 30/1. | 01-15-2015 |
20150021180 | HIGHLY PROTON-CONDUCTIVE POLYMER FILM, METHOD FOR PRODUCING SAME, AND HUMIDITY SENSOR - A proton conductive film, a method of producing the proton conductive film, and a highly sensitive humidity sensor are provided. The proton conductivity (room temperature, 95% RH) of the proton conductive film is 3×10 | 01-22-2015 |
20150068898 | Measuring Membrane for an Optochamical or Amperometric Sensor - A measuring membrane for an optochemical or amperometric sensor for determining or monitoring an analyte located in a medium, comprising a substrate material and a sensor element, which has at least one functional layer with a sensor-specific substance. The sensor element is embedded completely in a matrix, and the matrix is composed of a material, which at least in a portion facing the medium and adjoining the sensor element is permeable for the analyte. | 03-12-2015 |
20150122649 | SUPPORT FOR ELECTRODE STACK & PROVISION FOR VENTING OF A GAS SENSOR USING AN INTERNALLY MOUNTED TABLE - A sensor with a sensor housing or body, a plastic molded table positioned in the sensor housing; and a counter electrode carried on a first end of the table. | 05-07-2015 |
20150144486 | POLYMERIC FILM COMPOSITION FOR NON-ENZYMATIC GLUCOSE SENSOR AND NON-ENZYMATIC GLUCOSE SENSOR INCLUDING THE SAME - A polymeric film composition and a non-enzymatic glucose sensor including the functional polymeric film are provided. The polymeric film composition includes polyurethane and perfluorosulfonic acid polymer. | 05-28-2015 |
20150308975 | MEASURING DEVICE - A measuring device comprises a guard electrode that is arranged around a cathode, reduces oxygen that is not from an oxygen permeable membrane and inhibits the oxygen from reaching the cathode. The guard electrode is electrically connected to an anode through a resistor having a prescribed resistance. | 10-29-2015 |
20150346139 | PERACETIC ACID CONCENTRATION METER - A main object of the present invention is to provide a membrane covered type peracetic acid concentration meter that can prevent various common problems, including problems that occur in the event of an internal solution leak into a sample solution. The membrane covered type peracetic acid concentration meter adapted to measure the concentration of peracetic acid in the sample solution includes: a membrane that allows peracetic acid to permeate; and the internal solution that dissolves peracetic acid having permeated the membrane. In addition, as the internal solution, a buffer solution having a buffering action on hydrogen ion concentration is used. | 12-03-2015 |
20150377821 | Gas Sensor - A sensor for sensing a target substance in a target substance is provided, the sensor comprising: a sensing element disposed to be exposed to the gas stream, the sensing element comprising: a working electrode; a counter electrode; and a layer of ion exchange material extending between the working electrode and the counter-electrode; whereby contact of the ion exchange layer with the gas stream firms an electrical contact between the working and counter electrodes. | 12-31-2015 |
20160116429 | ELECTROCHEMICAL SENSOR AND METHOD FOR PRODUCING ELECTROCHEMICAL SENSOR - An electrochemical sensor includes a base member, a conductor disposed on the base member, an insulating layer covering the conductor with a portion of the conductor exposed, a silver/silver chloride electrode formed on at least the exposed portion of the conductor, and a water-permeable organic layer covering the silver/silver chloride electrode. | 04-28-2016 |
20160139074 | NITROGEN OXIDE RESPONSIVE ELEMENT AND METHOD FOR PRODUCING SAME - The present specification provides a NOx responsive element suitable for directly sensing NOx. The NOx responsive element an oxygen ion conductive layer has a first electrode layer having a nitrogen oxide decomposition catalyst phase composed of perovskite-type oxide, being in contact with the oxygen ion conductive layer, and being exposed to NOx, and a second electrode layer opposing the first electrode layer across the oxygen ion conductive layer. The nitrogen oxide decomposition catalyst phase has a nitrogen oxide adsorption stabilizing surface on its surface exposed to nitrogen oxide. | 05-19-2016 |
20160146751 | MEMBRANES FOR USE IN ELECTROCHEMICAL SENSORS AND ASSOCIATED DEVICES - A membrane is provided, as well as membrane electrode assemblies and sensors utilizing the membrane of the present technology. The membrane includes a membrane material with a top surface and a bottom surface; and a protonic ionic liquid disposed at least between the top surface and the bottom surface of the membrane material where the protonic ionic liquid is of Formula I. | 05-26-2016 |
20160161441 | GAS SENSOR ELEMENT - A gas sensor is described comprising a solid electrolytic cell having at least one solid electrolyte and at least two electrodes, disposed on opposite surfaces of the solid electrolyte, namely a reference electrode and a measurement electrode. The reference electrode is disposed in a reference chamber. At least part of a wall of the reference chamber is formed by a heating element comprising a ceramic substrate. The measurement electrode is disposed in a measurement chamber containing the sample gas. At least part of a wall of the measurement chamber comprises a fine filter for separation of pollutant gases from the sample gas and the measurement chamber is otherwise sealed off in a gastight manner. The fine filter, the solid electrolyte and the ceramic substrate of the heating element are disposed one above the other in the form of a sandwich structure and connected to one another by connecting elements. | 06-09-2016 |
20160161447 | COULOMETRIC TITRATION CELL - A cell and/or a measuring instrument are arranged for coulometric titration. The cell has first and second electrochemical half-cells, each of which is connected into a regulated circuit and each of which has an associated electrode. The second electrode ( | 06-09-2016 |