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| Number | Title | Issue Date |
| 7998746 | Systems and methods for localizing and analyzing samples on a bio-sensor chip Chips that include one or more particle manipulation mechanisms, or force transduction elements, provided at specific locations to manipulate and localize particles proximal the substrate surface. In one embodiment, individually addressable magnetic control mechanis... | 08/16/2011 |
| 7993932 | Leak sensor for flowing electrolyte batteries A leak detection system for a flowing electrolyte battery comprising a containment member associated with at least one of a stack of a flowing electrolyte battery and an electrolyte reservoir of a flowing electrolyte battery and a sensing member for sensing a fluid ... | 08/09/2011 |
| 7575933 | Modification of selectivity for sensing for nanostructure 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... | 08/18/2009 |
| 7459312 | Photodesorption in carbon nanotubes Carbon nanotube devices are manipulated in a manner that is useful for a variety of implementations. According to an example embodiment of the present invention, light (632) is used to photodesorb molecules from a carbon nanotube (620). ... | 12/02/2008 |
| 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 |
| 7407811 | System and method for analyte measurement using AC excitation A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the an... | 08/05/2008 |
| 7404928 | Thiol terminated monodisperse ethylene oxide oligomer capped gold nanoclusters A thiol terminated ethylene oxide oligomer and the method of substituting the oligomer onto a gold nanocluster surface using a thiol-exchange reaction to form a charge-neutral, non-ionizable, water soluble, ethylene oxide protected gold nanocluster. The thiol termin... | 07/29/2008 |
| 7396683 | Detection of allergen-associated materials Measurement of the redox properties of household dust is used to detect the presence of allergen-associated materials. Measurement may be electrochemical, preferably amperometric. A disposable electrode assembly may be made by screen printing with conductive (e.g. c... | 07/08/2008 |
| 7390667 | System and method for analyte measurement using AC phase angle measurements A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the an... | 06/24/2008 |
| 7391225 | Carbon nanotube sensor and apparatus and method for detecting change time of engine oil for automobile using the same A system and method for determining the time to change the oil of an automobile engine including a power source unit for converting power into necessary power and supplies power at the startup time. A degradation detection unit is installed in an engine oil chamber ... | 06/24/2008 |
| 7374942 | Process and apparatus for the combinatorial production and testing of catalyst material libraries by using at least two analytical methods A process and apparatus for testing material libraries, in particular catalysts, by means of coupled use of at least two analytical methods, preferably IR thermography and mass spectrometry. Owing to the selected arrangement, the disadvantages of the two previously ... | 05/20/2008 |
| 7369242 | Cavity ring-down spectrometer for semiconductor processing An apparatus is provided for measuring a gas within a semiconductor thin film process. The apparatus includes an optical resonator disposed within an environment of the thin-film process, a tunable laser that excites the optical resonator at a characteristic frequen... | 05/06/2008 |
| 7367222 | Multi-sensor system for fluid monitoring with selective exposure of sensors A multi-sensor apparatus for monitoring a fluid is described. The apparatus includes a plurality of sensors, wherein each sensor is configured to be exposed to a fluid, and includes at least one membrane that covers the plurality of sensors. A mechanical member or a... | 05/06/2008 |
| 7354770 | Sensing device and method using photo-induced charge movements A device and method which comprises a sensing surface on a membrane, solid surface or electrode, where the sensing surface contains a dye or chromophore chosen in relation to a particular target substance to be detected and quantified. The dye or chromophore is of a... | 04/08/2008 |
| 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 |
| 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 |
| 7338639 | System and method for analyte measurement A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the an... | 03/04/2008 |
| 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 |
| 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 |
| 7318336 | Methods for controlling one or more parameters of a flow cytometer type measurement system Various methods for controlling one or more parameters of a flow cytometer type measurement system are provided. One embodiment includes monitoring parameter(s) of the measurement system during measurements of sample microspheres. The method also includes altering t... | 01/15/2008 |
| 7314761 | Leak sensor for flowing electrolyte batteries A leak detection system for a flowing electrolyte battery comprising a containment member associated with at least one of a stack of a flowing electrolyte battery and an electrolyte reservoir of a flowing electrolyte battery and a sensing member for sensing a fluid ... | 01/01/2008 |
| 7302829 | Contactless humidity/chemical vapor sensor device and associated method of fabrication The invention provides a contactless sensor device operable for sensing water vapor or a predetermined chemical vapor including a thin film, wherein the thin film includes a nanostructured sensing layer and a soft magnetic layer disposed directly adjacent to the nan... | 12/04/2007 |
| 7303848 | Liquid toners comprising amphipathic copolymeric binder and soluble polymers for electrographic applications The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles and at least one soluble polymer dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner partic... | 12/04/2007 |
| 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 |
| 7291310 | Microsystem for determining clotting time of blood and low-cost, single-use device for use therein A microsystem for determining clotting time of blood and a low-cost, single-use device for use therein are provided wherein the device has no moving parts or expensive optical sensors or magnets. The device includes a microfluidic channel and a microsensor at least ... | 11/06/2007 |
| 7287412 | Method and apparatus for sensing hydrogen gas A hydrogen sensor and/or switch fabricated from an array of nanowires or a nanoparticle thick film composed of metal or metal alloys. The sensor and/or switch demonstrates a wide operating temperature range and shortened response time due to fabrication materials an... | 10/30/2007 |
| 7267751 | Programmable multiplexed active biologic array The present invention is directed to devices and methods for carrying out and/or monitoring biological reactions in response to electrical stimuli. A programmable multiplexed active biologic array includes an array of electrodes coupled to sample-and-hold circuits. ... | 09/11/2007 |
| 7247271 | Compact ceramic sensor for fuel volatility and oxygenate concentration A compact ceramic fuel property sensor comprises a plurality of laminated ceramic layers. The heater, temperature sensor, and capacitance measurement electrodes are embedded between the layers. The capacitance electrodes include interdigitated electrodes and fuel tr... | 07/24/2007 |
| 7248972 | Computer code for portable sensing The present invention relates to a computer program product or code in memory for detecting and transmitting sensory data from a portable field device 10 to a processor 12 via a computer network 10 for analytic purposes. The product includes a c... | 07/24/2007 |
| 7247494 | Scanner with array anti-degradation features A reader is provided that, itself, addresses the issue of damage or degradation to arrays within the reader by virtue of air exposure. In doing so, experimental variability is reduced, and read/scan signal strength degradation is minimized for arrays/slides scanned ... | 07/24/2007 |
| 7247921 | Semiconductor apparatus and method of manufacturing same, and method of detecting defects in semiconductor apparatus A semiconductor apparatus includes a semiconductor substrate having a device region and a periphery region surrounding the device region; a semiconductor device provided in the device region of the semiconductor substrate; a first electrode pad provided on the semic... | 07/24/2007 |
| 7247485 | Karl Fischer reagent Karl Fischer reagent comprising iodide, sulphur dioxide with an initial concentration above 0.5 M, and imidazole/imidazole derivative dissolved in alcoholic solvent, whereby the molar ratio between the initial imidazole/imidazole derivative concentration and the ini... | 07/24/2007 |
| 7249000 | Fluid monitoring systems and methods with data communication to interested parties Various sensor unit configurations are disclosed within the context of a fluid quality monitoring system. The distribution of sensor units can be accomplished using existing product distribution channels to sell, distribute and install sensor units so that a fluid d... | 07/24/2007 |
| 7237429 | Continuous-range hydrogen sensors The present invention provides for novel hydrogen sensors and methods for making same. In some embodiments, such novel hydrogen sensors are continuous-range hydrogen sensors comprising Pd—Ag nanoparticles arrayed as nanowires or two-dimensional shapes on a resisti... | 07/03/2007 |
| 7228725 | Thin film gas sensor configuration A gas sensor for sensing a gas stream constituent includes, mounted a substrate, a first gas-sensing element capable of sensing the constituent in a first concentration range, a reference element insensitive to the constituent and having electrical properties congru... | 06/12/2007 |
| 7226563 | Ion-detecting sensors comprising plasticizer-free copolymers Plasticizer-free ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers and a polymerizable ion exchanger, wherein the methacrylated monomer... | 06/05/2007 |
| 7223607 | Process and device for the detection of hydrocarbons in a gas The invention relates to a process for the detection of hydrocarbons other than methane in a gas predominantly or essentially comprising oxygen, as well as methane and the said hydrocarbons other than methane, the said process comprising: ... | 05/29/2007 |
| 7211439 | Selective chemical sensors based on interlinked nanoparticle assemblies The invention relates to a nanoparticle film comprising a nanoparticle network formed of nanoparticles interlinked by linker molecules. The linker molecules have at least two linker units that can bind to the surface of the nanoparticles. By introducing selectivity-... | 05/01/2007 |
| 7212284 | Method for forming nanoparticle films and application thereof Disclosed herein is a method for making a nanoparticle film comprising dispersing nanoparticles in a first liquid; adding a second liquid to the first liquid to form a nanoparticle film on top of a solution comprising the first liquid, the second liquid and the nano... | 05/01/2007 |
