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7465380 |
Water-miscible conductive ink for use in enzymatic electrochemical-based sensors
A water-miscible conductive ink for use in enzymatic electrochemical-based sensors includes a conductive material, an enzyme, a mediator and a binding agent. The conductive material, enzyme,...
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7410709 |
Bio-battery
A bio-battery includes a biomolecular energy source, a first electrode and a second electrode. In some configurations, a bio-battery may also include a first cell containing the first electrode and...
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7393448 |
Method of binding a compound to a sensor surface
The present invention relates to a method of non-covalently binding a compound to a sensor surface. The method comprises adsorbing a hydrophobin-like substance to at least a part of the sensor...
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RE39390 |
Biosensor
There is provided a cholesterol sensor with high-accuracy and excellent response, whose object to be measured is whole blood, where plasma with which is obtained by filtering out hemocytes ...
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7112265 |
Disposable test strips with integrated reagent/blood separation layer
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...
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7108778 |
Electrochemical sensors including electrode systems with increased oxygen generation
The present invention relates generally to systems and methods for increasing oxygen generation in electrochemical sensors in order to overcome the oxygen limitations. The preferred embodiments...
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6776888 |
Biosensor
The present invention provides a biosensor that enables highly-accurate measurement of a sample solution including a solid component like hemocytes and has a little variation in response. The...
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6706160 |
Chemical sensor and use thereof
A chemical sensor selectively detects an analyte in a solution. The sensor comprises a flow-through chamber, a selective membrane, a transducer, an inlet for a liquid flow containing a recognition...
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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...
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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...
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6689265 |
Electrochemical analyte sensors using thermostable soybean peroxidase
A sensor for the detection and measurement of an analyte in a biofluid. The sensor includes two enzymes. One type of sensor measures the concentration of hydrogen peroxide using a thermostable...
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6440296 |
Microstructured biosensor, use of the biosensor and process for the immobilization of biocatalysts
A biosensor is used for measuring principal metabolites in blood and other substances. The biosensor has a special structure formed of a two-layer enzymatic membrane with a considerably increased...
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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 to...
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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...
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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...
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6117289 |
Cholesterol sensor and method for producing the same
A cholesterol sensor facilitating rapid measurement of serum cholesterol levels is disclosed. The sensor comprises an electrode system composed of at least a measuring electrode and a counter...
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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 surface...
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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...
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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...
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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...
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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...
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5804048 |
Electrode assembly for assaying glucose
An improved electrode assembly is disclosed for use in assaying glucose in solution, e.g., in undiluted whole blood. The assembly includes a sensor electrode and a special overlaying multi-layer...
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5776324 |
Electrochemical biosensors
An electrochemical biosensor for determining the level of a target chemical in a biological fluid includes an electrochemical system including a enzyme substrate which reacts with the target...
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5759796 |
Method for the determination of lactic acid in organic materials of alimentary interest and biosensor for putting this method into effect
A method is described for the determination of lactic acid in organic materials of alimentary interest that involves reacting, in a buffered aqueous medium, a sample of the said materials, or a...
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5746898 |
Electrochemical-enzymatic sensor
An electrochemical-enzymatic sensor for the determination of substances, in particular glucose, in body fluids, which possesses a good long-term stability, includes: a sensor electrode of...
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5696314 |
Multilayer enzyme electrode membranes and methods of making same
An electrochemical sensor is designed for use in detecting a concentration of an analyte in a sample solution. The sensor to have a longer useful lifetime, improved stability and improved response...
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5683562 |
Planar sensor for determining a chemical parameter of a sample
A planar sensor for determining a chemical parameter of a sample, includes a substrate whose surface is at least partly plane and is provided with at least one potentiometric or amperometric and,...
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5658444 |
Electrochemical sensors
Erythrocyte exclusion membranes suited for test strips of electrochemical sensors have a porous matrix and a mobile erythrocyte aggregating agent. The membranes typically comprise a water-insoluble...
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5653864 |
Protein biosensor and method for protein measurement with the same
A protein biosensor, which comprises an insulating substrate, a working electrode, a counter-electrode and a reference electrode, each electrodes provided on the insulating substrate, the working...
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5607565 |
Apparatus for measuring analytes in a fluid sample
A method and apparatus provide a system for measuring a measurable component in a sample. A sample is introduced into a chamber. A permeable membrane to the measurable component allows the...
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5601694 |
Electrochemical sensors
A solid shale, multi-use electrochemical sensor having an electrically nonconductive substrate, a working electrode, and a semi-permeable membrane covering the working electrode. The working...
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5582698 |
Sensor package
A solid state, multi-use electrochemical sensor having an electrically nonconductive substrate, a working electrode, and a semi-permeable membrane covering the working electrode. The working...
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5573649 |
Miniaturized oxygen electrode and process of producing same
The miniaturized oxygen electrode having a small size exceeding the limit of miniaturization of the prior art electrode comprises an insulating substrate 21, 31 and, provided thereon, a pair of...
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5567290 |
Sensor devices
Sensor devices for examining fluid samples having, between the sample under examination and a detector, a membrane made of polyvinyl chloride in un-plasticized form. This membrane material acts as...
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5525511 |
Electrochemical biosensor stability
An electrochemical biosensor comprising a conductive support member (2) mounted on a substrate (1) and carbon pads (4) overlying the conductors (2) and surmounted by working electrode and reference...
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5497772 |
Glucose monitoring system
A glucose monitoring system continuously measures the glucose concentration in a patient's blood, provides an indication of the rate of change of such concentration, and determines whether the...
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5352348 |
Method of using enzyme electrode
Disclosed is a method of assaying a high concentration of a substance in a liquid sample with a polarographic cell. The cell contains an electrode assembly that includes a reference electrode and a...
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5326449 |
Composite membrane
A sensor device for measuring the concentration of an analyte in solution is described. The device includes a composite membrane which incorporates a porous membrane containing an immobilized...
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5310469 |
Biosensor with a membrane containing biologically active material
A sensor for measuring the concentration of an analyte in a solution is disclosed. The sensor may be adapted for use as either an amperometric or a potentiometric sensor. It includes a membrane...
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5264105 |
Enzyme electrodes
An improved enzyme electrode includes a three-dimensional redox polymer network having redox enzymes bound thereto, and also having a protein excluding polymeric coating.
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5264092 |
Redox polymer modified electrode for the electrochemical regeneration of coenzyme
The present invention relates to an electrochemical enzyme biosensor for use in liquid mixtures of components for detecting the presence of, or measuring the amount of, one or more selected...
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5223124 |
Method for immobilizing a polypeptide in a polymer and a membrane produced thereby
The present invention relates generally to the immobilization or incorporation of polypeptides, especially enzymes or other bioactive polypeptides into polymeric matrixes, especially polyurethane,...
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5200051 |
Wholly microfabricated biosensors and process for the manufacture and use thereof
An efficient method for the microfabrication of electronic devices which have been adapted for the analyses of biologically significant analyte species is described. The techniques of the present...
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5196340 |
Enzyme electrode containing an enzyme and a coenzyme immobilized in separate layers of a membrane
An enzyme electrode comprising an enzyme and a coenzyme immobilized in at least one layer is provided. This electrode has an outer membrane preventing the coenzyme from dissipation and so...
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4999295 |
Biocatalyst entrapped in a silk fibroin membrane
A silk fibroin membrane containing an entrapped biocatalyst such as an enzyme or microorganism is provided by forming a mixture of a biocatalyst solution and a silk fibroin solution, forming a...
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4929330 |
Diffusion-limiting membrane holding means for sensor
A diffusion-limiting membrane holding means for a sensor comprising: a slender resilient thin plate, of which one shorter side serves as an engagement side, and of which one longer side is provided...
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4923586 |
Enzyme electrode unit
An enzyme electrode unit having, on the surfaces of the base electrodes thereof, an enzyme-immobilized membrane for oxidizing or reducing a target substance to be measured, and a diffusion-limiting...
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4919141 |
Implantable electrochemical sensor
The implantable electrochemical sensor for amperometric measurements in body liquids comprises at least one measurement electrode formed as a platinum wire, a reference electrode tubularly...
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4919767 |
Sensor and method for analyte determination
A sensor of the enzyme-electrode type comprising an electrode and a membrane permeable to liquids and solutes which is positioned between the electrode and a specimen containing the analyte to be...
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4894137 |
Enzyme electrode
An enzyme electrode comprising: an insulative base plate; two or more electrodes formed on the surface of the insulative base plate and each having an exposed portion; an insulative protection film...
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