Class 204/403.14 - Enzyme included in apparatus

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus which includes an enzyme.
No. of patents: 409
Last issue date: 05/01/2012

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Number	Title	Issue Date
8168052	Transition metal complexes with bidentate ligand having an imidazole ring Novel transition metal complexes of iron, cobalt, ruthenium, osmium, and vanadium are described. The transition metal complexes can be used as redox mediators in enzyme based electrochemical sensors. In such instances, transition metal complexes accept electrons fro...	05/01/2012
8123920	Method and apparatus for assay of electrochemical properties The presence of a select analyte in the sample is evaluated in 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 analyt...	02/28/2012
8021528	Biosensor A biosensor that is capable of measuring a material contained in a sample is provided. The biosensor is configured to be inserted into a display device, and measures a material contained in the sample. The biosensor includes i) first and second substrates that are o...	09/20/2011
7972487	Micro-band electrode The invention concerns an electrochemical cell which, either alone or together which a substrate onto which it is placed, is in the form of a receptacle. The electrochemical cell contains a working electrode and a counter electrode, the working electrode being in a ...	07/05/2011
7935233	Tyrosinase enzyme electrode and production method thereof Disclosed are a tyrosinase enzyme electrode containing metal nanoparticles and its producing method. Metal nanoparticles are applied to a surface of a support with high chemical stability. Also, a buffer layer consisting of a self-assembled monolayer is formed on th...	05/03/2011
7918976	Transition metal complexes with bidentate ligand having an imidazole ring Novel transition metal complexes of iron, cobalt, ruthenium, osmium, and vanadium are described. The transition metal complexes can be used as redox mediators in enzyme based electrochemical sensors. In such instances, transition metal complexes accept electrons fro...	04/05/2011
7811432	Biosensors and methods of making Devices and methods for determining the concentration of an analyte in a sample of liquid are provided. ...	10/12/2010
7699967	Analysis implement with opening in insulation film The present invention relates to an analytical tool (X) which includes a substrate (1), a flow path for moving a sample along the substrate (1), a reagent portion (14) provided in the flow path, and an insulating film (13) covering the su...	04/20/2010
7655119	Meter for use in an improved method of reducing interferences in an electrochemical sensor using two different applied potentials The present invention is directed to an improved meter that utilizes 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 interfering compounds in a system wherein the t...	02/02/2010
7655120	Biosensor A biosensor measuring an analyte contained in a sample is provided, including: an insulative lower substrate that has at least one electrode on which an enzyme reaction layer reacting with the analyte is formed; an upper substrate that faces the lower substrate and ...	02/02/2010
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 interfering compounds in a system wherein the test strip utilizes two or more w...	11/17/2009
7588670	Enzymatic electrochemical-based sensor An enzymatic electrochemical-based sensor includes a substrate and a conductive layer formed from a dried water-miscible conductive ink. The water-miscible conductive ink used to form the conductive layer includes a conductive material, an enzyme, a mediator, and a ...	09/15/2009
7585400	Chip for electrochemical immunoassay The present invention provides a chip 100 that enables an immunoassay with high accuracy and without requiring a high volatile reagent. The chip 100 includes a chip substrate 20, a reagent mixture 12 and potassium ferricyanide 11 t...	09/08/2009
7550069	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...	06/23/2009
7485212	Self-powered biosensor The present invention provides a system for the determination of an analyte in a liquid medium. The system comprises a self-powered biosensor and a detector for measuring an electrical signal generated by said biosensor while the analyte is being oxidized or reduced...	02/03/2009
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, mediator, and binding agent are formulated as a water-miscible aqueous-base...	12/16/2008
7462265	Reduced volume electrochemical sensor An electrochemical glucose sensor comprising a base substrate, a conductive layer disposed on said base substrate, where said conductive layer comprises a reference electrode and at least two working electrodes; an insulation layer disposed on a part of said conduct...	12/09/2008
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
7390391	Concentration measuring method, concentration test instrument, and concentration measuring apparatus The present invention relates to technology for constructing a reaction system including a test target, an oxidation-reduction enzyme, and an electron mediator, and measuring the concentration of the test target by an electrochemical process. A Ru compound is used a...	06/24/2008
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
7366556	Dual electrode system for a continuous analyte sensor Disclosed herein are systems and methods for a continuous analyte sensor, such as a continuous glucose sensor. One such system utilizes first and second working electrodes to measure additional analyte or non-analyte related signal. Such measurements may provide a b...	04/29/2008
7364551	Hand-held medical apparatus The subject invention provides a hand-held medical apparatus (10) for detecting a predetermined component of user breath and producing a breath-component signal over a measurement time. Such breath-component signal may be correlated to a user fat metabolism i...	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
7351770	Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors include a hydrophilic polymer (such as a hydrophilic polymer backbone) with ionic portions (e.g., cationic monomers incorporated in the hydrophilic polymer back...	04/01/2008
7352465	Sample conditioning and environmental control techniques for gas sensor The present invention is a system and method of conditioning the sample and surrounding environment of an exhaled breath sensor. It includes (i) using a particular molecular sieve for a triple purpose: (a) maintaining the sensor at a constant relative humidity durin...	04/01/2008
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
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 Rs, a power source, and a microprocessor. The power source is used for supplying an applied vol...	03/25/2008
7335286	Immersion sensor for measuring the concentration of an analyte with the help of an oxidase The invention relates to measuring the concentration of analytes with the aid of an oxidase in an immersion sensor situated in a fluid or in a matrix containing fluid. Oxygen diffuses into the enzyme layer from within, from a gas-filled space connected to the atmosp...	02/26/2008
7331931	Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes an electrically powered drive force generator. A penetrating member is operatively coupled to the force generator. The force generato...	02/19/2008
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
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
7297248	Glucose strip sensor and glucose measurement method using the glucose strip sensor Disclosed is a disposable glucose strip sensor configured to rapidly and conveniently measure the concentration of glucose in blood and a glucose measurement method using the glucose strip sensor. In the glucose strip sensor, at least one checking electrodes are add...	11/20/2007
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
7291117	Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a voice coil based penetrating member driver. A plurality of penetrating members are included. A transport mechanism is configured to...	11/06/2007
7291502	Method for performing a non-invasive blood gas test A non-invasive blood gas test is carried out by a method that utilizes a venous blood sample together with a pulse oximeter and a plurality of mathematical equations. The method generates the following data points of the blood: (i) the pH level; (ii) the [H+] concen...	11/06/2007
7291256	Mediator stabilized reagent compositions and methods for their use in electrochemical analyte detection assays Mediator stabilized reagent compositions and methods for their use in electrochemical analyte determination assays are provided. The subject reagent compositions include an enzyme, a redox mediator and a mediator-stabilizing buffer. Optionally, the reagent compositi...	11/06/2007
7287318	Biosensor A biosensor is provided that comprises a plate element with a pre-determined reaction zone and a recess positioned adjacent to the reaction zone. The biosensor also comprises a reagent that is positioned on the reaction zone. In preferred embodiments, the recess cir...	10/30/2007
7288174	Electrochemical biosensor There is provided the reagent layer composition that can substantially reduce the measurement bias arising from hematocrits. The addition of fatty acid (4-20 carbons) and quaternary ammonium salt to a commonly used reagent layer composition composed of an enzyme, an...	10/30/2007
7285198	Strip electrode with conductive nano tube printing An electrochemical test device for determining the presence or concentration of an analyte in an aqueous fluid sample comprises a substrate comprising a non-conductive material; a working electrode comprising a conductive film formed at least with carbon nanotubes, ...	10/23/2007
7278210	Method for producing a 3-D microscope flow-through cell The invention relates to a method of producing a 3-D microscope flow-through cell, consisting of an upper and a lower substrate between which is located a flow channel, an electrode structure penetrating the flow channel and connected with external contacts and with...	10/09/2007

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Class 204/403.14 - Enzyme included in apparatus