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| Number | Title | Issue Date |
| 7323141 | Button layout for a testing instrument A sensor dispensing instrument adapted to handle a sensor pack containing a plurality of sensors and to perform a test using one of the sensors. The sensor dispensing instrument includes an outer housing and display disposed on the outer housing for showing items. T... | 01/29/2008 |
| 7312087 | Devices and methods for biochip multiplexing The invention is directed to devices and methods that allow for simultaneous multiple biochip analysis. The method of analyzing the plurality of biochips includes inserting a first biochp into a first station of an analysis device, inserting a second biochip into a ... | 12/25/2007 |
| 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 |
| 7232510 | Biosensor, measuring instrument for biosensor, and method of quantifying substrate A biosensor, a measuring instrument for biosensor, and a method of quantifying a substrate contained in specimen liquid to reduce a measurement error by the biosensor; a biosensor, comprising at least a pair of electrodes formed on an insulation substrate; a measuri... | 06/19/2007 |
| 7172728 | Test strip containers and methods of using the same Devices for dispensing test strips and methods of using the same are provided. The subject devices are characterized by having a base and a cover, where the cover includes a test strip selecting element. The subject devices may also be characterized by having a test... | 02/06/2007 |
| 7041206 | Medical diagnostic system A system for conducting a plurality of different medical diagnostic tests comprises a hand-held portable self contained instrument for engaging a disposable test cell containing a fluid to be tested. The instrument performs a diagnostic test selected from the plural... | 05/09/2006 |
| 7022212 | Micro structured electrode and method for monitoring wafer electroplating baths A microstructured electrode coupled with an analytical method designed to simulate the actual conditions on the wafer and to measure critical parameters such as mass transfer of the active plating components, deposition rates of the copper in the plating bath soluti... | 04/04/2006 |
| 6905655 | 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... | 06/14/2005 |
| 6902661 | Corrosion sensor A system using tank corrosion sensors to provide for an overall assessment and monitoring of the electro-chemical corrosion and coatings condition in ships' tanks, and particularly in ships' seawater or compensated fuel tanks. The system includes reference half-cell... | 06/07/2005 |
| 6881578 | Analyte concentration determination meters and methods of using the same Devices and methods for determining the concentration of an analyte in a physiological sample are provided. The subject devices are meters characterized by having an internal structure that includes a test strip selecting element having a continuously reduced cross-... | 04/19/2005 |
| 6846639 | Method for detecting pathogens attached to specific antibodies The use of impedance measurements to detect the presence of pathogens attached to antibody-coated beads. In a fluidic device antibodies are immobilized on a surface of a patterned interdigitated electrode. Pathogens in a sample fluid streaming past the electrode att... | 01/25/2005 |
| 6841053 | Electronic tongue as ozone detector An electronic tongue for the detection of ozone is based on voltammetry, and comprises at least one working electrode and a counter electrode, wherein the working electrode(s) is(are) made of one or more transition metals or Au, or alloys thereof, or alloys thereof ... | 01/11/2005 |
| 6827899 | Test device A test device for testing of analyte concentration in a fluid comprises: a housing (2) having an opening and containing a stack of sensors (16); a transport member (4) rotatably mounted in the opening of the housing, having an axis of rotation w... | 12/07/2004 |
| 6787368 | Biosensor method for detecting analytes in a liquid A diagnostic method and device for use in detecting or quantitating an analyte present in a liquid sample. The method includes reacting an analyte-containing sample with reagents capable of generating a first coil-forming peptide in solution form. This peptide is th... | 09/07/2004 |
| 6668230 | Computer readable medium for performing sensor array based materials characterization A modular materials characterization apparatus includes a sensor array disposed on a substrate, with a standardized array and contact pad format; electronic test and measurement apparatus for sending electrical signals to and receiving electrical signals ... | 12/23/2003 |
| 6551493 | Ultraviolet light measuring chip and ultraviolet light sensor using the same An ultraviolet light measuring chip and a sensor are provided simple in structure, easy to handle and of high precise measurement. The chip comprises a first reaction chamber for detection of total received light and a second reaction chamber for detectio... | 04/22/2003 |
| 6524866 | Capillary electrophoretic method to detect target-binding ligands and to determine their relative affinities The invention relates to capillary electrophoretic methods for detecting ligands or hit compounds that can bind to a selected target at or above a selected binding strength. The method allows one to rank various ligands based on their relative affinity, i... | 02/25/2003 |
| 6300141 | Card-based biosensor device A diagnostic card device for use in detecting or quantitating an analyte present in a liquid sample, comprising a card substrate having a sample introduction region, a biosensor, and a sample-flow pathway communicating between the sample-introduction regi... | 10/09/2001 |
| 6129895 | Fuel additive analyzer system and process An oxygenate additive analyzer is provided which detects and determines the presence of oxygen enhancing additives in gasoline or other fuels. The oxygenate additive analyzer includes a portable electronic controller with a fuel cell connected to the cont... | 10/10/2000 |
| 6071391 | Enzyme electrode structure A biosensor comprises a space part for sucking and housing a sample formed of two upper and lower plates, the two plates being stuck together by an adhesive layer, the space part for sucking and housing the sample being constituted so as to be partially o... | 06/06/2000 |
| 5872713 | Synchronized analyte testing system An analyte detection system is provided with calibration information uniquely specific to the set of test strips to which the sample is to be applied. The calibration information may be stored in permanent memory of the testing device, such that the devic... | 02/16/1999 |
| 5832410 | Method of using a computer to collect chemical signals directly The present invention relates to a method of using a computer to collect chemical signals directly from a chemical sensor. This method first converts output signals received from the chemical sensor into digital signals by using a transforming circuit and... | 11/03/1998 |
| 5825668 | Monitoring method and apparatus of surface area of semiconductor wafer A surface-roughened polysilicon wafer is submerged in an electrolytic solution, and a voltage is applied between the measured wafer and a reference wafer submerged in the same electrolytic solution. The surface area of the surface-roughened polysilicon wa... | 10/20/1998 |
| 5820551 | Strip electrode with screen printing A sensor system that detects a current representative of a compound in a liquid mixture features a two-electrode strip adapted for releasable attachment to signal readout circuitry. The strip comprises an elongated support (preferably flat) adapted for re... | 10/13/1998 |
| 5783397 | Screening natural samples for new therapeutic compounds using capillary electrophoresis A method in which natural sample components are simultaneously fractionated and screened for compounds that bind tightly to specific molecules of interest is disclosed. Such newly isolated ligands are good candidates for potential therapeutic or diagnosti... | 07/21/1998 |
| 5727548 | Strip electrode with screen printing A sensor system that detects a current representative of a compound in a liquid mixture features a two-electrode strip adapted for releasable attachment to signal readout circuitry. The strip comprises an elongated support (preferably flat) adapted for re... | 03/17/1998 |
| 5682884 | Strip electrode with screen printing A sensor system that detects a current representative of a compound in a liquid mixture features a two-electrode strip adapted for releasable attachment to signal readout circuitry. The strip comprises an elongated support (preferably flat) adapted for re... | 11/04/1997 |
| 5665215 | Method and apparatus for making predetermined events with a biosensor A method and apparatus are provided for marking predetermined events with a biosensor. The biosensor includes a sensor for receiving a user sample to be measured and a processor for performing a predefined test sequence for measuring a predefined paramete... | 09/09/1997 |
| 5644501 | Method of using a computer to collect chemical signals directly The present invention relates to a method of using a computer to collect chemical signals directly from a chemical sensor. This method first transforms analog chemical signals received from the chemical sensor into analog electronic signals in a transform... | 07/01/1997 |
| 5627479 | Method and apparatus for determining characteristic electrical material parameters of semi-conducting materials The present invention relates to a method for determining characteristic electrical properties of semi-conducting materials wherein the time/frequency dependent electrical impedance or admittance of the material is measured. The invention also relates to ... | 05/06/1997 |
| 5595635 | Apparatus for measuring lead content of water An electrochemical cell for measuring concentrations of metal ions comprises a sampling enclosure including a working electrode, a reference electrode, and a counter electrode. Ports are provided in the sampling enclosure for the introduction and removal ... | 01/21/1997 |
| 5589045 | Data managing method in portable blood sugar value-measuring and portable blood sugar value-measuring apparatus using same A managing method includes steps of selecting a function according to the type of an electrode mounted on the portable blood sugar value-measuring apparatus; executing a process of clocking a predetermined period of time; deciding whether or not the clock... | 12/31/1996 |
| 5509410 | Strip electrode including screen printing of a single layer A sensor system that detects a current representative of a compound in a liquid mixture features a two-electrode strip adapted for releasable attachment to signal readout circuitry. The strip comprises an elongated support (preferably flat) adapted for re... | 04/23/1996 |
| 5494831 | Electrochemical immunosensor system and methods A electrochemical immunosensor system is provided which uses electrical signals to measure binding events. The system includes an immunosensor having a sensing electrode in contact with a fluid containing an analyte concentration. A quantity of antibodies... | 02/27/1996 |
| 5470484 | Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor A method for controlling the chemical treatment of a solution comprises the steps of feeding a treatment chemical into the solution, applying an external voltage across a reference electrode and a working electrode of a voltammetric sensor while the elect... | 11/28/1995 |
| 5382331 | Method and apparatus for inline electrochemical monitoring and automated control of oxidizing or reducing agents in water systems Method and apparatus for electrochemical monitoring of oxidizing agents, such as nitrite, or reducing agents in a water system and for controlling concentration levels for protecting surfaces exposed to the water. The apparatus includes a probe for select... | 01/17/1995 |
| 5374892 | Digital electrochemical instrument with background compensation An instrument and method for measuring chemical properties, the instrument having electrodes suitable for immersion in a chemical solution. A voltage source and a current-sensing circuit are connected to the electrodes to measure the current produced in t... | 12/20/1994 |
| 5366609 | Biosensing meter with pluggable memory key A biosensing meter is enabled to receive a sample strip that includes a sample well with an analyte reactant therein and electrodes in contact therewith. The biosensing meter includes an excitation supply for supplying potentials to a sample strip electro... | 11/22/1994 |
| 5352351 | Biosensing meter with fail/safe procedures to prevent erroneous indications A biosensing meter receives a sample strip that includes electrically isolated sense and excitation electrodes bridged by a reaction zone. When a drop of biological sample fluid is placed in the reaction zone, a plurality of fail/safe tests are performed.... | 10/04/1994 |
| 5344544 | Diagnostic electrode for evaluating circuitry of an analyzer A diagnostic electrode actively generates test signals to be supplied to analyzer circuitry. The electrode emulates a disposable sensor associated with the analyzer during a normal mode of normal operation. The diagnostic device generates predetermined si... | 09/06/1994 |
