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6751491 Analyte measuring biosensor chip using image scanning system  
An implantable chip biosensor for detecting an analyte in vivo in body fluids comprises an analyte-sensitive hydrogel slab chemically configured to vary its displacement volume according to...
6743635 System and methods for blood glucose sensing  
A system for measuring a glucose level in a blood sample includes a test strip and a meter. The test strip includes a sample chamber, a working electrode, a counter electrode, fill-detect...
6730212 Sensor for chemical and biological materials  
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...
6730200 Electrochemical sensor for analysis of liquid samples  
An electrochemical cell having an auxiliary area that contains a redox species on a working electrode. The auxiliary area provides a low resistance current path between the working electrode and a...
6726818 Biosensors with porous chromatographic membranes  
Disclosed is a porous membrane built-in biosensor comprising (a) at least one substrate; (b) an electrode layer patterned on the substrate, consisting of an electrode system and a circuit...
6699382 Method for analyzing a biological sample  
A biosensor enabling accurate measurement of the concentration of a substrate contained in a trace amount of a sample solution is disclosed. The electrochemical analysis element in accordance with...
6695958 Electrochemical sensor  
The invention relates to a sensor for detecting substance concentration or activity or for determining the presence of substances based on electrochemical reactions. The electrochemical sensor...
6613379 Implantable analyte sensor  
An insertable analyte needle sensor, comprising a set of fine wires positioned together and a dielectric material covering a substantial portion of the fine wires but defining an opening filled...
6582573 Membrane based electrochemical test device  
An electrochemical test device is provided for determining the presence or concentration of an analyte in an aqueous fluid sample. The electrochemical test device includes a working electrode and...
6576101 Small volume in vitro analyte sensor  
A sensor designed to determine the amount and concentration of analyte in a sample having a volume of less than about 1 μL. The sensor has a working electrode coated with a non-leachable redox...
6576117 Method and apparatus for electrochemical measurement using statistical technique  
A predetermined voltage is applied to a biosensor twice to promote an electrochemical reaction, and the following parameters (P1 and P2) are calculated from the values of detected current. A...
6551496 Microstructured bilateral sensor  
A bilateral biosensor based upon a microporous architecture is provided which seeks to reduce the effect of co-reactant concentration limitations by utilizing a new sensor microgeometry. If...
6491803 Test strip and biosensor incorporating with nanometer metal particles  
The present invention relates to a test strip and a biosensor having an increased conductivity and a slurry comprising a fiber, meal particles having a size in nanometer and a bioactive substance....
6413393 Sensor including UV-absorbing polymer and method of manufacture  
A sensor is provided that includes at least one functional coating layer that includes a UV-absorbing polymer. Methods for making the inventive sensors are also provided.
6387232 Membrane for a sensor  
A membrane for use in a sensor having a detection arrangement. The membrane is of a cellulosic material incorporating a hydrophobic agent (e.g. isopropyl myristate) and is permeable by diffusion...
6340597 Electrochemical biosensors and process for their preparation  
The present invention concerns new electrochemical biosensors for the determination of analytes concentration in sample solutions or suspensions, based on composite transducers containing an...
6326160 Microprocessors for use in a device for predicting physiological values  
The invention relates generally to methods, systems, and devices for measuring the concentration of target analytes present in a biological system using a series of measurements obtained from a...
6309526 Biosensor  
A biosensor is fabricated by forming a metal film over the surface of a substrate through evaporation, sputtering or by gluing a metal foil, then splitting the metal film into three regions, and...
6309535 Electrodes and their use in assays  
An electrode comprises a non-conductive substrate and a conductive layer comprising, in a bonded matrix, graphite particles coated with a noble metal, and carbon particles, wherein the graphite...
6287451 Disposable sensor and method of making  
A disposable electrode strip for testing a fluid sample including a laminated strip with a first and second end, a reference electrode embedded in the laminated strip proximate to the first end,...
6258254 Biosensor  
A method using a biosensor is disclosed which facilitates high accuracy quantitation of a substrate by best eliminating adverse effects of red blood cell existing in blood together with the...
6251260 Potentiometric sensors for analytic determination  
A potentiometric electrode and method for the determination of an analyte in a sample by linearly correlating potential at the electrode with the concentration of the analyte in the sample.
6225078 Method for quantitative measurement of a substrate  
The invention provides a method for quantitative measurement of a substrate with high accuracy by electrochemically oxidizing an electron mediator which has been reduced by enzyme reaction thereby...
6214206 Use of a chemical sensor  
A chemical sensor (1) for selectively detecting an analyte in a solution as described. The sensor comprises a flow-through chamber (2), a selective membrane (3), a transducer means (4), an inlet...
6212416 Device for monitoring changes in analyte concentration  
The invention provides an electrochemical sensor system for measuring analyte concentrations in a fluid sample. The invention is particularly useful for measuring analytes such as glucose in a...
6176988 Membrane electrode for measuring the glucose concentration in fluids  
The present invention concerns a membrane electrode for measuring glucose concentration in liquids, comprising: a base membrane with at least one noble metal electrode which is arranged on one...
6168699 Easy to handle electrochemical sensor in the shape of a strip  
Electrochemical sensor, in the shape of a strip of small dimensions including a thin plastic substrate (1) carrying, over all or part of its length, at least two current collectors (4, 5)...
6156173 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...
6153069 Apparatus for amperometric Diagnostic analysis  
The present invention relates to a novel method and apparatus for the amperometric determination of an analyte, and in particular, to an apparatus for amperometric analysis utilizing a novel...
6121009 Electrochemical analyte measurement system  
A small diameter flexible electrode designed for subcutaneous in vivo amperometric monitoring of glucose is described. The electrode is designed to allow "one-point" in vivo calibration, i.e., to...
6099804 Sensor and membrane for a sensor  
In a sensor for measuring an analyte in a biological sample whose measuring surface is covered by or comprises a membrane, the membrane has free groups on the surface facing the sample. The...
6083367 Oxygen electrode and its manufacture  
An oxygen electrode having: an electrode substrate; a first electrode and a first lead wire formed on the electrode substrate; an insulating layer formed on the electrode substrate covering the...
6077408 Biosensor and method of manufacturing the same  
Disclosed is a biosensor facilitating high accuracy quantification of a specific component in a sample solution with no adverse influence of solid substances. The biosensor comprises an...
6020052 Laminated membrane structure for polarographic measurement and methods of making said structures  
PCT No. PCT/US96/12412 Sec. 371 Date Jan. 28, 1998 Sec. 102(e) Date Jan. 28, 1998 PCT Filed Jul. 30, 1996 PCT Pub. No. WO97/04954 PCT Pub. Date Feb. 13, 1997An improved laminated enzyme containing...
5989409 Method for glucose sensing  
A method for measuring the concentration of glucose diffused from a source to a working electrode which assembly includes a scavenging electrode is disclosed. The electrode of the invention is...
5985130 Method for quantifying substrate  
The present invention provides a method for quantifying a substrate having improved measurement accuracy and measurement sensitivity. According to the method for quantifying the substrate of the...
5964993 Glucose sensor  
A sensor that is capable of accurately measuring glucose and other analytes in low oxygen environments is provided. The sensor employs an enzyme-containing membrane comprising a...
5951836 Disposable glucose test strip and method and compositions for making same  
An improved disposable glucose test strip for use in a test meter of the type which receives a disposable test strip and a sample of blood from a patient and performs an electrochemical analysis...
5938917 Electrodes for measurement of peroxides  
An electrode characterized by a layer of at least one polymer containing ferrocenylalkyl groups. The electrodes are useful in detecting hydrogen peroxide, organic (hydro)peroxides and lipid...
5922183 Metal oxide matrix biosensors  
A thin film matrix for biomolecules, suitable for forming electrochemical and biosensors comprising a general class of materials known as hydrous metal oxides which are also conductive or...
5916156 Electrochemical sensors having improved selectivity and enhanced sensitivity  
The present invention describes electrochemical sensors, preferably electrochemical biosensors, in which the reference electrode and the measuring electrode are separated from one another by a...
5914026 Implantable sensor employing an auxiliary electrode  
An implantable sensor comprising a biocompatible electroconductive case which houses a measuring electrode, a reference electrode, an auxiliary electrode, and an electronic circuit for measuring...
5882494 Polyurethane/polyurea compositions containing silicone for biosensor membranes  
A homogenous polymer composition useful as a membrane for biosensors is disclosed. The polymer composition comprises the reaction products of a diisocyanate, a hydrophilic diol or diamine, and a...
5876577 Electrochemical oxygen sensor  
An electrochemical oxygen sensor comprises an impermeable substrate and a plurality of conductive layers applied thereto by thick film deposition. At least one conductive layer comprises an...
5863400 Electrochemical cells  
An electrochemical cell comprises a porous membrane (8) of electrically insulating composition, the membrane having pores (not illustrated) communicating from one side of the membrane to another,...
5846392 Miniaturized circulatory measuring chamber with integrated chemo- and/or biosensor elements  
A miniaturized circulatory measuring chamber with integrated chemo- and/or biosensor elements including a substrate formed from a plate-shaped carrier. Within the plate-shaped carrier is inserted...
5842983 Biosensor  
Biosensor for amperometric measurements wherein the measuring electrode (34) is made of an electrically conductive carrier made of carbon which is saturated with a platinum metal in colloidal form...
5834224 Electrochemical sensor containing an enzyme linked to binding molecules bound to a noble metal surface  
An electrochemical sensor is provided containing a supporting material having a surface of noble metal such as gold or palladium to which is bound an enzyme such as glucose oxidase via binding...
5830341 Electrodes and metallo isoindole ringed compounds  
The present invention provides for electrode assemblies and methods in which electron transfer between a redox reaction product and an electrically conductive electrode material is facilitated by...
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...

Matches 101 - 150 out of 320 < 1 2 3 4 5 6 7 >