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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...
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7618522 |
Method of reducing interferences in an electrochemical sensor using two different applied potentials
The present invention is directed to a method of reducing the effects of interfering compounds in the measurement of analytes and more particularly to a method of reducing the effects of...
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7611621 |
Disposable oxygen sensor and method for correcting oxygen effect on oxidase-based analytical devices
A system and method for correcting the oxygen effect on oxidase-based analyte sensors includes an oxygen sensor with a working electrode, a reagent matrix disposed on at least the working electrode...
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7608180 |
Amperometric sensor
An amperometric sensor suitable for determining the concentration of hydrogen peroxide in a sample, the sensor comprising a ferricyanide compound which, in reduced form, functions as a mediator...
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7601299 |
System and method for coding information on a biosensor test strip
The present invention provides a test strip for measuring a concentration of an analyte of interest in a biological fluid, wherein the test strip may be encoded with information that can be read by...
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7597793 |
System and method for analyte measurement employing maximum dosing time delay
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...
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7553403 |
Reversible electrochemical sensors for polyions
The present invention is directed to a reversible electrochemical sensor for polyions. The sensor uses active extraction and ion stripping, which are controlled electrochemically. Spontaneous...
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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...
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7510642 |
Biosensor with improved reading resolution
A method for improving a reading resolution of a biosensor is provided. The present invention includes applying a specimen on a chip of a biosensor, and a voltage-time discharge curve is...
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7504019 |
Biosensor electrode mediators for regeneration of cofactors
The present invention is based on the discovery of NAD + and NADP + mediator compounds that do not bind irreversibly to thiol groups in the active sites of intracellular dehydrogenase enzymes....
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7504020 |
Determination method for automatically identifying analyte liquid and standard solution for biosensor
According to the standard solution and the determination method of the present invention, in a case where a voltage is applied by a drive voltage of a measurement apparatus to an electrode portion...
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7501053 |
Biosensor having improved hematocrit and oxygen biases
A biosensor that utilizes a mediator, i.e., an isomer of phenanthroline quinone, 1,10-phenanthroline-5,6-dione, and a metal ion, such as manganese, with an enzyme dependent upon NAD(P) + , such as,...
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7468125 |
System and method of processing a current sample for calculating a glucose concentration
A system and method of processing a test current for an analyte measurement in a fluid using a test strip and a test meter are disclosed. The method comprises sampling the test current at a...
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7452457 |
System and method for analyte measurement using dose sufficiency electrodes
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...
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7429865 |
Method and system for error checking an electrochemical sensor
A method and a corresponding system for error checking an electrochemical sensor having at least two electrodes and a liquid measuring medium applied thereto are disclosed. The method involves...
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7407570 |
Disposable, self-administered electrolyte test
A disposable, self-administered electrolyte test is affixed to the label of a commercially available electrolyte supplement, is available in the pharmacy section of a retail store, or is...
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7378006 |
Aqueous solutions for reducing the rate of oxygen loss, and methods thereof
Compositions and methods for reducing the rate of loss of oxygen from a solution and increasing the effective life span of oxygen-containing calibration solutions.
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7371314 |
Creatinine sensor calibration
In a method for calibrating a biosensor for the amperometric determination of creatinine in biological liquids, consisting of one electrode system each for measuring the concentrations of...
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7361307 |
Biological fluid constituent sampling and measurement devices
A device for accessing biological fluid, sampling biological fluid constituents and determining the concentration of at least one target constituent within the accessed biological fluid is...
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7347926 |
Method and apparatus for measuring specific component
A method for measuring a concentration of a specific component includes the steps of: supplying a sample fluid to a reaction field holding a reagent; obtaining a single or a plurality of leak...
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7347925 |
Biosensor for monitoring an analyte content with a partial voltage generated therefrom
A biosensor for monitoring an analyte content with a partial voltage generated therefrom is provided. The present biosensor includes a chip having a resistance R s , a power source, and a...
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7335294 |
Integrated lancing and measurement device and analyte measuring methods
An integrated lancing and measurement device is provided comprising a sensor designed to determine the amount and/or concentration of analyte in a biological fluid having a volume of less than...
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7323098 |
Biosensor and measuring method using the same
A biosensor capable of measuring the concentration of one or more specific substances in one or more sample solutions almost simultaneously is provided. The biosensor comprises a plurality of...
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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...
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7297241 |
Method and a device for monitoring a medical microsample in the flow measuring cell of an analyzer
The invention relates to a method and device for the monitoring of a medical microsample in the flow measuring cell of an analyzer with regard to position and absence of bubbles by means of an...
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7276146 |
Electrodes, methods, apparatuses comprising micro-electrode arrays
Described are micro-arrays of electrodes disposed proximal to a flexible substrate, electronic components and sensors comprising such arrays, and methods of use for such arrays.
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7276147 |
Method for determining the concentration of an analyte in a liquid sample using small volume samples and fast test times
Analytes in a liquid sample are determined by methods utilizing sample volumes of less than about 1.5 μl and test times within ten seconds. The methods are preferably performed using small test...
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7264709 |
Method and apparatus for conditioning a sensor for measuring oxidation reduction potential
A method and apparatus for conditioning a sensor to measure an oxidation reduction potential of an aqueous solution such that the time to obtain a reliable oxidation reduction potential measurement...
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7229546 |
Method and apparatus for measuring sucrose transport into the fruit of plants
The method and apparatus are concerned with measurement of the onset and magnitude of sucrose transport between a petiole and fruit within a plant over extended time periods. Sensors are implanted...
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7198708 |
Electrochemical biosensor
An electrochemical biosensor for quantifying one or more redox species in a liquid sample comprising a background electrochemical activity, wherein said biosensor comprises:
(i) an electrode...
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7192515 |
Mobile hand-held apparatus with reusable biosensor
Mobile hand-held apparatus with reusable biosensor, in particular for the local determination of original biological solutions, marked by a functional wheel with valve and pump function, an...
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7182853 |
Redox control/monitoring platform for high throughput screening/drug discovery applications
The invention is a redox control and monitoring platform that is to be used in conduction with another detection scheme. The platform includes a portion of an electrochemical control. The...
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7144495 |
Electrochemical test strip with an integrated micro-needle and associated methods
Methods and devices for electrochemically detecting a change in the viscosity of a fluid are provided. In the subject methods, a fluid sample (e.g., a whole blood sample) is introduced into an...
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7146203 |
Implantable biosensor and methods of use thereof
Provided herein is a stabilized oxygen transport matrix that includes a reversible oxygen binding protein, such as hemoglobin, immobilized throughout the stabilized oxygen transport matrix. The...
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7144496 |
Biological fluid analysis device
A biological fluid analysis device ( 100 ) including a biosensor ( 50 ) comprising an electrochemical-enzymatic sensor including a working electrode ( 51 ) and a reference electrode ( 52 ), is...
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7132041 |
Methods of determining the concentration of an analyte in a fluid test sample
A method of determining the concentration of an analyte in a fluid test sample that includes providing an electrochemical sensor adapted to measure the analyte in the test sample. The test sample...
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7125481 |
Electrochemical-sensor design
An electrochemical test sensor adapted to assist in determining the concentration of analyte in a fluid sample is disclosed. The sensor comprises a base that assists in forming an opening for...
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7122111 |
Sample discriminating method
A glucose sensor system comprising the steps of using as a sample discriminating parameter a ratio (I/ΔI) of a measured current value I to the time-differential value of the current value ΔI,...
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7101472 |
Microfluidic ion-selective electrode sensor system
Ion-selective electrode sensor systems, and methods of fabricating such systems, may be utilized to analyze microfluidic sample volumes, i.e., sample volumes on the order of 1 to 1000 microliters.
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7081195 |
Systems and methods for improving electrochemical analyte sensors
An analyte-measuring device, particularly an electrochemical sensor, is provided for measuring current values at multiple bias potential settings to assess the quality of the analyte measurement,...
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7063782 |
Electrochemical detection of ischemia
The subject invention comprises electrochemical methods and devices for in vitro detection of an ischemic event in a patient sample. Following addition of a known amount of a transition metal ion...
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7056430 |
Detachable cell-delivery system for patch-clamp unit
The cell-delivery unit of a high-throughput electrophysiological testing system is implemented as a reusable movable unit suitable for repetitive delivery of cells to a disposable, multi-aperture...
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7045054 |
Small volume biosensor for continuous analyte monitoring
Sensors ( 10, 110, 210, 310, 410 ) and a method for detecting an analyte are described. Sensors ( 10, 110, 210, 310, 410 ) each have a volume of a hydrophilic medium ( 24 ) that retains an amount...
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7041210 |
Method of filling an amperometric cell
The invention relates to an amperometric electrochemical cell having a first insulating substrate carrying a first electrode, a second insulting substrate carrying a second electrode, said...
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7022219 |
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...
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7008524 |
Sensors with variable response behavior
A sensor and method for detecting biological and chemical agents comprising metal interdigitized electrodes coated with hybrid polymer-based conducting film and an instrument for applying...
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6946067 |
Method of forming an electrical connection between an electrochemical cell and a meter
A method of forming an electrical connection between an electrochemical cell and a meter is provided. According to the method, an electrical connection is made between a meter, by means of a...
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RE38775 |
Electrode with improved signal to noise ratio
An electrode assembly for sensing an electrochemical signal diffused from a source to a working electrode which is comprised of a plurality of substantially separated working electrode surfaces is...
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6890421 |
Electrochemical methods and devices for use in the determination of hematocrit corrected analyte concentrations
Methods and devices for determining the concentration of an analyte in a physiological sample are provided which correct for errors in the analyte concentration measurement which are due to the...
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6863800 |
Electrochemical biosensor strip for analysis of liquid samples
A biosensor in the form of a strip. In one embodiment, the biosensor strip comprises an electrode support, a first electrode, i.e., a working electrode, a second electrode, i.e., a counter...
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