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| Number | Title | Issue Date |
| 8152991 | Ammonia nanosensors, and environmental control system Embodiments of nanoelectronic sensors are described, including sensors for detecting analytes such ammonia. An environmental control system employing nanoelectronic sensors is described. A personnel safety system configured as a disposable badge employing nanoelectr... | 04/10/2012 |
| 8128801 | Automated system for continuously and automatically calibrating electrochemical sensors An electrochemical sensor system that continuously monitors and calibrates the sensors included in the system. The invention also includes a method for determining failure patterns of a sensor and incorporating into an electrochemical sensor system the ability to re... | 03/06/2012 |
| 8105475 | Apparatus and method for determining the composition of a material being examined A method includes identifying first data associated with cyclic voltammetry measurements of a material being examined. The cyclic voltammetry measurements include applying a varying first voltage to the material and measuring a first current. The method also include... | 01/31/2012 |
| 8097146 | Device and method for monitoring an electrochemical gas sensor An electrochemical gas sensor testing device that includes a test signal generator that generates a multiplexed signal that includes a first test signal that includes alternating current (AC) and is free from a direct current (DC) component and a second signal that ... | 01/17/2012 |
| 8080152 | Embossing of microfluidic sensors An electrochemical sensor and method of its production comprising a microfluidic channel and an electronic sensing device on a first substrate, and a second substrate bonded to the first substrate so as to close the microfluidic channel, wherein a functional part of... | 12/20/2011 |
| 8016997 | Method for determination of analyte concentrations and related apparatus A method is provided for determining analyte concentrations, for example glucose concentrations, that utilizes a dynamic determination of the appropriate time for making a glucose measurement, for example when a current versus time curve substantially conforms to a ... | 09/13/2011 |
| 8007655 | Method and apparatus for measuring properties of weak electrolytic, organic fluids such as hydrocarbon-based fluids A method and system for determining chemical properties of a fluid. The method and system include providing a weak electrolyte fluid, a container for the fluid, a detection method performed by a device having at least two electrodes, a detection and amplification de... | 08/30/2011 |
| 7879222 | Detection of additive breakdown products in acid copper plating baths An additive breakdown product in an acid copper plating bath sample is detected by performing a voltammetric analysis for the leveler additive in two measurement solutions comprising different volume fractions of the copper plating bath sample in a background electr... | 02/01/2011 |
| 7867375 | Method for detecting the presence or absence of a gas bubble by dynamic sensor response A method for detecting the presence or absence of a gas bubble in an aqueous liquid is provided comprising providing a sensor positioned within a measuring chamber, wherein the sensor is configured to determine the concentration of a gaseous component dissolved in a... | 01/11/2011 |
| 7857963 | Electrode plate for electrochemical measurements To provide an electrode plate for electrochemical measurements that enables detecting and quantifying the concentration of a target substance contained in a sample solution with rapidity and favorable sensitivity using an apparatus for electrochemical measurements i... | 12/28/2010 |
| 7846320 | Self-adjusting electrochemical sensor A gas detector with a compensated electrochemical sensor exhibits altered sensitivity in response to decreasing stochastic noise in an output thereof. A gain parameter can be adjusted to alter sensitivity. A life-time estimate can be made based on sensitivity. ... | 12/07/2010 |
| 7807041 | Method for detecting the presence or absence of a gas bubble in an aqueous liquid A method for detecting the presence or absence of a gas bubble in an aqueous liquid is provided comprising providing an amperometric sensor positioned within a measuring chamber, wherein the amperometric sensor is configured to determine the concentration of a gaseo... | 10/05/2010 |
| 7713404 | Monitoring apparatus and method for improving the accuracy and repeatability of electrochemical capacitance voltage (ECV) measurements An apparatus and method for improving the accuracy of Electrochemical Capacitance Voltage (ECV) profiling measurements by alerting the operator to the presence of surface films or gas bubbles during the etching process and by using this in-situ monitoring apparatus ... | 05/11/2010 |
| 7695608 | Electrochemical biosensor and biosensor measuring device An electrochemical biosensor and a biosensor measuring device. The electrochemical biosensor includes a plurality of electrodes, capillary sample cell portions, reaction reagent layers, electrode connection portions, and a production lot information identification p... | 04/13/2010 |
| 7691254 | Method of checking the function of a sensor The functioning of an amperometric electrochemical sensor having an electrochemical cell is monitored by the electrochemical cell. A perturbation quantity is imposed on the sensor, which is operated with voltage control at a given polarization voltage. The response ... | 04/06/2010 |
| 7655128 | Electrochemical test strip An electrochemical test system comprising an electrochemical test strip capable of initiating an instrument, determining if it is inserted into a correct position of the instrument, a sample is injected into a reaction region of the electrochemical test strip, and t... | 02/02/2010 |
| 7641784 | Method for measuring by means of chemical sensor, and chemical sensor type measuring apparatus There is disclosed means for quickly solving instability of sensor sensitivity performances found in an initial stage and stabilizing the sensor sensitivity performances, when immersing a chemical sensor kept under a dry state in a buffer solution used as a storage ... | 01/05/2010 |
| 7638035 | Electrode plate for electrochemical measurements An object of the invention is to provide an electrode plate for electrochemical measurements for detecting with high sensitivity and determining a substance included in a living body. The electrode plate of the present invention has on both faces of body of the subs... | 12/29/2009 |
| 7638033 | Biosensor system Biosensor system and method for the electrochemical determination of an concentration of an analyte in a sample. An analyte reactant is at least partially hydrated by the sample to form a reaction layer in contact with electrodes for measurement of an analyte detect... | 12/29/2009 |
| 7638034 | Electrochemical detection of single molecules using abiotic nanopores having electrically tunable dimensions A barrier structure for use in an electrochemical stochastic membrane sensor for single molecule detection. The sensor is based upon inorganic nanopores having electrically tunable dimensions. The inorganic nanopores are formed from inorganic materials and an electr... | 12/29/2009 |
| 7635422 | Electrode plate for electrochemical measurements An electrode plate for electrochemical measurements capable of measuring the concentration of a target substance included in a sample solution with favorable accuracy and high sensitivity is provided. The electrode plate for electrochemical measurements of the prese... | 12/22/2009 |
| 7591938 | Method and device for transporting or binding-specific separation of electrically charged molecules Electrically charged molecules need to be transported in order to create a DNA sensor. The following measures are undertaken: base metals are introduced into a solution as a positive ion; negatively charged molecules are transported in an opposite direction and are ... | 09/22/2009 |
| 7566392 | Pulsed electrochemical detection method In one embodiment, the present invention is directed to a pulsed electrochemical detection method comprising (a) flowing a liquid sample stream including at least one analyte past a working electrode in a flow-through cell; (b) applying at least three pulsed electri... | 07/28/2009 |
| 7553402 | Method and device for developing an electrochemical measuring system A method and a device for developing an electrochemical measuring system, in particular a sensor, is provided. A plurality of different electrode materials are applied to at least one substrate and introduced into a medium together with at least one reference electr... | 06/30/2009 |
| 7547382 | Determination of partial fill in electrochemical strips Partial fill of an electrochemical test strip is determined by making a DC determination of double layer capacitance from charging or discharging charge on a test strip containing sample, for example a blood sample to be tested for glucose. The measured double layer... | 06/16/2009 |
| 7501052 | Method and apparatus for assay of electrochemical properties The presence of a select analyte in the sample is evaluated in an an electrochemical system using a conduction cell-type apparatus. A potential or current is generated between the two electrodes of the cell sufficient to bring about oxidation or reduction of the ana... | 03/10/2009 |
| 7431820 | Electrochemical cell The present invention relates to electrochemical cells including a first working electrode 32, a first counter electrode 34, a second working electrode 36, and a second counter electrode 38, wherein the electrodes are spaced such that rea... | 10/07/2008 |
| 7427346 | Electrochemical drive circuitry and method An electrochemical drive circuitry and method, such as may be employed in electroplating bath chemical monitoring. A microcontroller can be utilized to selectively apply galvanostatic or potentiostatic conditions on the electrochemical cell, for measurement of respo... | 09/23/2008 |
| 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 simulation; and adjusting the output of the sensor as a function of th... | 08/19/2008 |
| 7410564 | Apparatus and method for biopolymer identification during translocation through a nanopore The present invention provides an apparatus and method for identifying and sequencing a biopolymer translocating a nanopore. The apparatus of the present invention provides a first electrode, a second electrode and a potential means for applying a bias ramping poten... | 08/12/2008 |
| 7399401 | Methods for use in assessing a flow condition of a fluid A device for use in assessing a flow condition of a fluid, or a fluid in a flow path, is provided. The device comprises at least one electrochemical cell, comprising a working electrode and at least one other electrode, sufficient for communication with the fluid, o... | 07/15/2008 |
| 7399400 | Nanobiosensor and carbon nanotube thin film transistors The present invention is directed to systems and methods for detecting biological and chemical species in liquid and gaseous phase. The systems and methods utilize carbon nanotubes to enhance sensitivity and selectivity towards the reacting species by decreasing int... | 07/15/2008 |
| 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 |
| 7384535 | Bath analysis Analytical methods are disclosed for determining the quantity of brightener and leveler in an electroplating bath in the presence of other organic additives, such as accelerators, brighteners and suppressors. The methods improve the reproducibility of measuring brig... | 06/10/2008 |
| 7371247 | Method and apparatus for penetrating tissue A tissue penetrating system includes a plurality of penetrating members each having a tip. A penetrating member driver is coupled to the plurality of penetrating members. Each tip of a penetrating member is uncovered during launch of the penetrating member by the pe... | 05/13/2008 |
| 7367217 | Sensor device for detection of dissolved hydrocarbon gases in oil filled high-voltage electrical equipment A multi-gas sensor device for the detection of dissolved hydrocarbon gases in oil-filled electrical equipment. The device comprising a semiconductor substrate, one or more catalytic metal gate-electrodes deposited on the surface of the semiconductor substrate operab... | 05/06/2008 |
| 7367215 | Formation of metal nanowires for use as variable-range hydrogen sensors The present invention provides for variable-range hydrogen sensors and methods for making same. Such variable-range hydrogen sensors comprise a series of fabricated Pd—Ag (palladium-silver) nanowires—each wire of the series having a different Ag to Pd ratio—wi... | 05/06/2008 |
| 7361257 | Electrochemical screening system Devices and methods for evaluating an electrochemical reaction are disclosed. A device includes an electrochemical cell having a cavity for containing a liquidus electrolyte, a first working electrode having at least one electrolytic surface at least partially withi... | 04/22/2008 |
| 7359804 | System and method for calibrating remote emissions sensing instruments A system and method is provided for obtaining calibration curves for CO and CO2 during laboratory calibration of one or more remote emissions sensing (RES) instruments, and for self-calibration of on-road RES instruments to compensate for changes in backg... | 04/15/2008 |
| 7354704 | High throughout screening method and apparatus High-throughput screening method and apparatus arm described. The method includes placing cells on a substrate defining a plurality of discrete microwells, at a well density of greater than about 100/cm2, with the number of cells in each well being less t... | 04/08/2008 |
