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| Number | Title | Issue Date |
| 8182663 | Blood urea nitrogen (BUN) sensor A BUN (blood urea nitrogen) sensor containing immobilized carbonic anhydrase and immobilized urease for the in vitro detection of urea nitrogen in blood and biological samples with improved performance and precision characteristics. ... | 05/22/2012 |
| 8142629 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method A biosensor according to the present invention comprises a support 1, a conductive layer 2 composed of an electrical conductive material such as noble metal, for example gold, palladium or the like, and carbon, slits 3a and 3b | 03/27/2012 |
| 8062490 | Reagent compositions for use in electrochemical detection Biological reagent compositions with improved sensitivity to the concentration of blood glucose in patient samples for use in measuring systems and methods. The reagent compositions comprise a glucose oxidoreductase enzyme, a flavin nucleoside coenzyme and a mediato... | 11/22/2011 |
| 8038860 | Biosensor A biosensor can supply a sample solution accurately and easily, and includes a capillary for collecting a sample solution and analyzes a specific substance in the sample solution, an air hole, and at least two supply ports, i.e., a sample supply port and an auxiliar... | 10/18/2011 |
| 8025780 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and dete... | 09/27/2011 |
| 8012322 | Biosensor for disease diagnosis The present invention relates to a biosensor including: a bottom plate having a base film having a lead mounted at one side of the top surface thereof, an electrode member formed on the base film, a spacer formed on the top surface of the electrode member so as to s... | 09/06/2011 |
| 8007645 | Biosensor A biosensor can supply a sample solution accurately and easily, and includes a capillary for collecting a sample solution and analyzes a specific substance in the sample solution, an air hole, and at least two supply ports, i.e., a sample supply port and an auxiliar... | 08/30/2011 |
| 7998325 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and de... | 08/16/2011 |
| 7955483 | Carbon nanotube-based glucose sensor The present invention provides a sensor, such as a biosensor, comprising at least one self-assembled monolayer (SAM) comprising analyte-sensitive groups, such as glucose-sensitive groups, attached to the surface of the outer wall of a carbon nanotube (CNT), such as ... | 06/07/2011 |
| 7955484 | Glucose biosensor and method A system for more accurately measuring glucose in a sample includes a first glucose-sensing electrode incorporating a quantity of glucose oxidase, a second glucose-sensing electrode incorporating a quantity of PQQ-glucose dehydrogenase, a reference electrode, and me... | 06/07/2011 |
| 7922883 | Biosensors and methods of using the same A biosensor strip having a low profile for reducing the volume of liquid sample needed to perform an assay. In one embodiment, the biosensor strip includes an electrode support; an electrode arrangement on the electrode support; a cover; a sample chamber; and an inc... | 04/12/2011 |
| 7905999 | Biosensor strips and methods of preparing same A biosensor strip having a low profile for reducing the volume of liquid sample needed to perform an assay. In one embodiment, the biosensor strip comprises an electrode support; an electrode arrangement on said electrode support; a cover; a sample flow channel; and... | 03/15/2011 |
| 7833397 | Amino-acid biosensor, Fischer-ratio biosensor and health information management system Disclosed is a biosensor capable of measuring a total concentration of plural types of amino acids. An amino-acid biosensor (200) for measuring a total concentration of a plurality of specific amino acids, comprises a measuring electrode (202) which in... | 11/16/2010 |
| 7780828 | Analytical instrument having improved arrangement of reagent section and analytical method The present invention relates to an analytical instrument (1) which includes a flow path (5) for moving a sample containing blood cells, an introduction port (50) for introducing the sample into the flow path (5), a reagent portion (51... | 08/24/2010 |
| 7740746 | Disposable electrochemical sensor strip A disposable electrochemical sensor strip is provided. The sensor strip includes an isolating sheet having at least a through hole, at least a conductive raw material mounted in the through hole, a metal film covered on the conductive raw material to form an electro... | 06/22/2010 |
| 7678250 | Reagent compositions for use in electrochemical detection Biological reagent compositions with improved sensitivity to the concentration of blood glucose in patient samples for use in measuring systems and methods. The reagent compositions comprise a glucose oxidoreductase enzyme, a flavin nucleoside coenzyme and a mediato... | 03/16/2010 |
| 7563350 | Small volume in vitro analyte sensor A sensor utilizing a non-leachable or diffusible redox mediator is described. The sensor includes a sample chamber to hold a sample in electrolytic contact with a working electrode, and in at least some instances, the sensor also contains a non-leachable or a diffus... | 07/21/2009 |
| 7540948 | Blood urea nitrogen (BUN) sensor A BUN (blood urea nitrogen) sensor containing immobilized carbonic anhydrase and immobilized urease for the in vitro detection of urea nitrogen in blood and biological samples with improved performance and precision characteristics. ... | 06/02/2009 |
| 7431814 | Electrochemical cell A biosensor for use in determining a concentration of a component in an aqueous liquid sample is provided including: an electrochemical cell having a first electrically resistive substrate having a thin layer of electrically conductive material, a second electricall... | 10/07/2008 |
| 7427491 | Nanoparticles for optical sensors The present invention concerns a polymer layer for a sensor, wherein the polymer layer has nanoparticles embedded therein which impart to the polymer layer recognizing properties as well as transducer properties, a sensor comprising such layer and the use of the sen... | 09/23/2008 |
| 7419573 | Circuit for electrochemical sensor strip Provided is an electrochemical sensor strip having circuits comprising electrodes in an electrode region connected to contact pads in a contact region by conductive traces wherein the electrode region is off-set from the contact region in both an x direction paralle... | 09/02/2008 |
| 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 the biomolecular energy source, and a second cell having a reducible... | 08/12/2008 |
| 7364872 | Test methods using enzymatic deposition and alteration of metals Disclosed are methods and materials for utilizing enzymes to act on metal ions in solution so that the ions are reduced to metal and deposited. These methods enable a wide range of applications including the detection of one or more constituents in a test sample. | 04/29/2008 |
| 7364873 | Method for manufacture of lactate biosensing strip We provide a lactate biosensing strip comprising a working electrode and a reference electrode, the two electrodes being deposited on an electrically insulated base support, the working electrode being formed by immobilizing lactate oxidase and an electron mediator ... | 04/29/2008 |
| 7357851 | Electrochemical cell An electrochemical cell for detection and quantification of analytes in a liquid sample, particularly a liquid sample having a small volume. In a preferred embodiment, the electrochemical cell comprises an assembly of conducting layers and insulating layers. The ele... | 04/15/2008 |
| 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 currents for correction, through a measurement of electric current made on... | 03/25/2008 |
| 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 about 1 μL. A piercing member is adapted to pierce and retract from a si... | 02/26/2008 |
| 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 sensor units, and each of the sensor units comprises an electrode system i... | 01/29/2008 |
| 7319018 | Lactate biosensing strip with two electrodes We provide a lactate biosensing strip comprising a working electrode and a reference electrode, the two electrodes being deposited on an electrically insulated base support, the working electrode being formed by immobilizing lactate oxidase and an electron mediator ... | 01/15/2008 |
| 7316766 | Electrochemical biosensor strip An electrochemical biosensor strip has a base, an electrode system, an optional spacer and a cover. The electrode system is laid on the base. The spacer is laid on the electrode system and exposes a portion of the electrode system for electrical connection with a me... | 01/08/2008 |
| 7316700 | Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine... | 01/08/2008 |
| 7294246 | Electrode for electrochemical sensors Provided are electrochemical circuits with electrodes having a main body section and at least one neck section wherein the width of at least a portion of the neck section is less than the width of the narrowest portion of the main body section, and an insulative lay... | 11/13/2007 |
| 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 strips including a sample receiving chamber filled with the sample by c... | 10/02/2007 |
| 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. ... | 10/02/2007 |
| 7267750 | Biosensor A biosensor comprising: an electrically insulating base plate; an electrode system comprising a working electrode and a counter electrode formed on the base plate; a cover member which is joined to the base plate to form a sample solution supply pathway for supplyin... | 09/11/2007 |
| 7250288 | Electrode compositions and configurations for electrochemical bioreactor systems Electrodes and configurations for electrochemical bioreactor systems that can use electrical energy as a source of reducing power in fermentation or enzymatic reactions and that can use electron mediators and a biocatalyst, such as cells or enzymes, to produce elect... | 07/31/2007 |
| 7250095 | Enzyme electrodes and method of manufacture A non-mediated enzyme electrode comprises a base substrate (2) on which is provided an electrically conductive base layer (8) comprising finely divided platinum group metal or oxide bonded together by a resin; a top layer on the base layer (8), ... | 07/31/2007 |
| 7244600 | Glucose dehydrogenase Disclosed is a water-soluble PQQGDH wherein two subunits are linked together via a disulfide bond. The water-soluble PQQGDH of the invention exhibits improved thermal stability. ... | 07/17/2007 |
| 7195738 | Sensor and detecting method A sensor is provided for detecting a target substance in a sample by detecting a product formed in the presence of an enzyme and an enzyme substrate. The sensor comprises two or more working electrodes, a first capturing molecule immobilized on the working electrode... | 03/27/2007 |
| 7195705 | 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. ... | 03/27/2007 |
