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| Number | Title | Issue Date |
| 8187543 | Electrochemical gas sensor with a hydrophilic membrane coating An electrochemical gas sensor is provided comprising a gas-permeable and substantially ion- and liquid-impermeable membrane for separating an aqueous outer solution and an inner electrolyte solution comprising a gas-permeable film of a hydrophilic polymer consisting... | 05/29/2012 |
| 8043568 | Ozonesonde having a hydrothermal buffer An ozonesonde for in-situ measurement of stratospheric ozone concentration profiles by balloon launches includes a hydrothermal buffer having a vessel surrounding a measurement cell having an aqueous reaction solution. The aqueous reaction solution has melting and b... | 10/25/2011 |
| 8043567 | Gas sensor A gas sensor which includes walls delimiting a gas detection chamber, and having an introduction port (or an inlet) through which an observed gas is introduced into the gas detection chamber, a measuring element disposed in the gas detection chamber and measuring co... | 10/25/2011 |
| 8029734 | Noncovalent sidewall functionalization of carbon nanotubes Carbon nanotubes are functionalized in a broadly applicable manner. According to an example embodiment of the present invention, single-wall carbon nanotubes (SWNTs) are noncovalently functionalized. The functionalized SWNTs are highly versatile, being useful for a ... | 10/04/2011 |
| 7998417 | Particulate matter sensor with a heater An apparatus to detect particulate matter. The apparatus includes a sensor electrode, a shroud, and a heater. The electrode measures a chemical composition within an exhaust stream. The shroud surrounds at least a portion of the sensor electrode, exclusive of a dist... | 08/16/2011 |
| 7955562 | Chemical sensor using thin-film sensing member Provided is a chemical sensor that may include a first electrode on a substrate, a sensing member covering the first electrode on the substrate, and a plurality of second electrodes on a surface of the sensing member exposing the surface of the sensing member. The c... | 06/07/2011 |
| 7939024 | Sensor device comprising elongated nanostructures A sensor device is provided for determining the presence and/or amount of at least one component in a fluid. The sensor device comprises at least one sensor unit, the at least one sensor unit comprising at least one elongated nanostructure and a dielectric material ... | 05/10/2011 |
| 7833483 | Mesoporous nano-crystalline titania structures for hydrogen sensing A structure includes a substantially non-conductive frame having an exterior surface. The structure defines a plurality of passages that open to the exterior surface. Mesoporous material is disposed in the plurality of passages and is supported therein by the frame.... | 11/16/2010 |
| 7794663 | Method and system for detection of solid materials in a plasma using an electromagnetic circuit A method for solid material detection in a medium includes receiving an exhaust gas downstream with respect to a workpiece from which a photoresist material is removed. An electromagnetic circuit is configured to include the exhaust gas, the exhaust gas is excited w... | 09/14/2010 |
| 7780918 | Sensor platform using a horizontally oriented nanotube element Sensor platforms and methods of making them are described, and include platforms having horizontally oriented sensor elements comprising nanotubes or other nanostructures, such as nanowires. Under certain embodiments, a sensor element has an affinity for an analyte.... | 08/24/2010 |
| 7628959 | Hydrogen gas sensor A hydrogen gas sensor and/or switch fabricated from arrays nanowires composed of metal or metal alloys that have stable metal hydride phases. The sensor and/or switch response times make it quite suitable for measuring the concentration of hydrogen in a flowing gas ... | 12/08/2009 |
| 7442555 | Ammonia gas sensor method and device A mixed potential sensor device and methods for measuring total ammonia (NH3) concentration in a gas is provided. The gas is first partitioned into two streams directed into two sensing chambers. Each gas stream is conditioned by a specific catalyst syste... | 10/28/2008 |
| 7416699 | Carbon nanotube devices Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is adapted to pass current between two conductive elements. In one implementation, each conductive element incl... | 08/26/2008 |
| 7402284 | Orientation device for a gas analyzer A method and apparatus for determining the orientation of a gas analyzer. Because condensation can build-up in a filter of the gas analyzer, it needs to be purged from the analyzer so that accurate readings can be made. By having a orientation device built-in, the a... | 07/22/2008 |
| 7393505 | Proton conductor gas sensor A proton conductor gas sensor whose durability at high temperature is enhanced by using gel not converted to sol even at high temperature in a water reservoir. Fine particles of silica are gelled by adding water thereto and agitating the mixture under shear force. T... | 07/01/2008 |
| 7387010 | Sensor arrangement having sensor array provided on upper portion of a container A chemical sensing system has: an interrogation unit operable to wirelessly transmit an interrogation signal and wirelessly receive a response; an environmentally sealed container for holding a chemical analyte; a sensor array unit in fluid communication with the an... | 06/17/2008 |
| 7370511 | Gas sensor with attenuated drift characteristic A sensor with an attenuated drift characteristic, including a layer structure in which a sensing layer has a layer of diffusional barrier material on at least one of its faces. The sensor may for example be constituted as a hydrogen gas sensor including a palladium/... | 05/13/2008 |
| 7367221 | Sensor for detection of liquid ingredients, particularly for biological materials and the detection device contained in the sensor This invention relates to a sensor for the detection of liquid ingredients with a carrier element (10), a sensor element (1) on the carrier element (10) and a sensor array, which is disposed on the surface of the sensor element and contains one ... | 05/06/2008 |
| 7359802 | Methods for remote characterization of an odor Provided are compositions and systems useful in remote monitoring of chemical hazards, air quality, and medical conditions, for example, robotic systems to search for and detect explosives, mines, and hazardous chemicals. In addition, the methods, systems and compos... | 04/15/2008 |
| 7357015 | Gas concentration sensor, hydrogen purification unit using this and fuel cell system In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a gas concentration detector comprising a reaction chamber which has a ... | 04/15/2008 |
| 7347974 | Materials, method and apparatus for detection and monitoring of chemical species A method for investigating a target environment to determine whether or in what amount a chemical species may be present therein, which comprises: (a) exposing to said environment an article of manufacture comprising a multiplicity of particles in close-packed orien... | 03/25/2008 |
| 7344678 | Composite sensor membrane A sensor may include a membrane to deflect in response to a change in surface stress, where a layer on the membrane is to couple one or more probe molecules with the membrane. The membrane may deflect when a target molecule reacts with one or more probe molecules. | 03/18/2008 |
| 7341694 | Ammonia sensor In an ammonia sensor (1), lead portions (7) and (9) are provided on an insulating substrate (5); a pair of comb-shaped electrodes (11) and (13) are connected to the lead portions (7) and (9), respectively; a se... | 03/11/2008 |
| 7342368 | Automated garage door closer An automated garage door closing device for a remote controlled overhead garage door wherein the device is mounted on one of a pair of parallel tracks receiving rollers suitably mounted on the outer edges of the door panels, the device including a switch housing con... | 03/11/2008 |
| 7340938 | MIS-based sensors with hydrogen selectivity The invention provides hydrogen selective metal-insulator-semiconductor sensors which include a layer of hydrogen selective material. The hydrogen selective material can be polyimide layer having a thickness between 200 and 800 nm. Suitable polyimide materials inclu... | 03/11/2008 |
| 7338811 | Integrated circuit chip for bioassays The invention is directed to novel IC chips containing substances used particularly in bioassays. Furthermore, the invention is directed to assay methods and kits using these chips. ... | 03/04/2008 |
| 7338812 | Biochemical labeling materials and manufacturing method thereof A biochemical labeling material and manufacturing method thereof. The manufacturing method provides a plurality of nanoparticles, bonding the nanoparticles to template molecules by molecular imprinting, polymerizing the nanoparticles to form a matrix with uniformly-... | 03/04/2008 |
| 7333204 | Method and device for analysing a gas likely to contain particles or suspended aerosols The present method uses a spectrophotometric and/or ionisation detection device in which the gas to be analyzed and illuminated by a light source emitting in a range of wavelengths distinct from the one used for spectrophotometry so as to carry out a nephelometric a... | 02/19/2008 |
| 7329389 | Sensor device and method for qualitative and quantitative analysis of gas phase substances New sensors and methods for qualitative and quantitative analysis of multiple gaseous substances simultaneously with both high selectivity and high sensitivity are provided. The new sensors rely on a characteristic difference in energy between the interaction of a p... | 02/12/2008 |
| 7329877 | Photoelectrocatalytic sensor for measuring oxidizable impurities in air A photoelectrocatalytic sensor system for measuring oxidizable impurities in air. The sensor system may include a transistor having an electrode and a channel for the flow of current, a photocatalytic material coated onto the electrode of the transistor, a light sou... | 02/12/2008 |
| 7323343 | Nitrogen monoxide, nitrogen dioxide and ozone determination in air An analytical system is provided for determining nitrogen monoxide, nitrogen dioxide and ozone concentrations in air samples. An ultraviolet light source 4 is used to alter the equilibrium between nitrogen dioxide and oxygen on the one hand and nitrogen monox... | 01/29/2008 |
| 7318338 | Measuring device for measuring aerosol The invention relates to a measuring device for measuring aerosols, which measuring device comprises detection means (13), means (41) for conveying a signal from the detection means (13), a first insulation (43), a second insulation (4... | 01/15/2008 |
| 7318908 | Integrated nanotube sensor Integrated nanotube sensors are adapted for detecting various chemical and biological molecules. In one implementation, nanotube sensor arrays are formed as nano-electronic noses capable of such detection, and can be implemented in devices including carbon nanotube-... | 01/15/2008 |
| 7316929 | Auto-calibration label and apparatus comprising same An auto-calibration label for use with one or more sensing instruments. The label includes first and second encoded calibration information. The second encoded calibration information may correspond to a different instrument than the first encoded calibration inform... | 01/08/2008 |
| 7312095 | Modification of selectivity for sensing for nanostructure sensing device arrays An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are at least two different selectivities for sensing among the nanostruct... | 12/25/2007 |
| 7297312 | Simultaneous multianalyte electrochemical assay based on spatial resolution A simultaneous multianalyte electrochemical assay includes a cell which has a surface and the surface includes analyte binding sites i.e., antibodies or antigens on a solid phase at distinct separate locations. Separate working electrodes are located within proximit... | 11/20/2007 |
| 7297549 | Method of determining measurement bias in an emissions monitoring system A method of determining bias in a measurement of a constituent concentration level in a sample gas is provided. The method comprises establishing a sample gas flow from an emission stream into a sample gas line of an emissions monitoring system. The method further c... | 11/20/2007 |
| 7294249 | Microfluidic component and method for sorting particles in a fluid Microtechnologically prepared component as a flow cytometer. The component contains a preparation area to specifically influence and separate the particles, preferably by dielectrophoresis, a measuring channel area for characterizing the particles, and a sorting are... | 11/13/2007 |
| 7291503 | Reversible resistivity-based sensors One aspect of the present invention relates to a method for detecting the presence of an analyte by comparing the conductivity of a mixture containing an analyte and a sensor to the conductivity of the sensor in the absence of analyte. In certain embodiments, the se... | 11/06/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
