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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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7604722 |
Electrochemical cell
This invention relates to a biosensor and more particularly to an electrochemical biosensor for determining the concentration of an analyte in a carrier. The invention is particularly useful for...
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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...
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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...
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7547383 |
Biosensor and method
An improved biosensor having at least a first working electrode and a first electrode material disposed on the first working electrode. The first electrode material is a mixture made by combining...
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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...
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7527716 |
Connector configuration for electrochemical cells and meters for use in combination therewith
A substantially planar electrochemical test strip for determination of the presence and/or quantity of an analyte in a sample is provided that has a first electrode, a first connector including two...
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7510643 |
Sensor system
A sensor strip comprises an electrode substrate, an electrode set, on the electrode substrate, and a heat conducting layer, on the electrode substrate opposite the electrode set. A sensor...
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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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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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7465796 |
Transition metal complexes with (pyridyl)imidazole ligands
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...
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7445941 |
Diagnostic devices and apparatus for the controlled movement of reagents without membranes
The assay devices, assay systems and device components of this invention comprise at least two opposing surfaces disposed a capillary distance apart, at least one of which is capable of...
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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...
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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...
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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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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...
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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...
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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...
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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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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...
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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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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...
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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...
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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...
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7175746 |
Polymer based enzyme electrode for estimation of cholesterol and process for preparation thereof
A polymer based enzyme electrode useful for estimation for cholesterol is disclosed. The electrode has an ion-doped layer to increase the conductivity of the poly pyrrole layer. The ion doping is...
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7138041 |
Electrochemical biosensor by screen printing and method of fabricating same
An electrochemical biosensor formed by screen printing and method of fabricating such biosensor is disclosed in the present invention. The biosensor can quickly absorb a sample to be measured...
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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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7118667 |
Biosensors having improved sample application and uses thereof
The present invention relates to biosensors having improved sample application and measuring properties and their uses for detection, preferably, quantitative measurement, of analyte in a liquid...
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7118668 |
Electrochemical test sensor
Disclosed is an electrochemical sensor for the determination of analytes in body fluids, e.g. glucose in blood. The sensor involves a non-conductive base which provides a flow path for the body...
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7112453 |
Retentate chromatography and protein chip arrays with applications in biology and medicine
This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity...
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7090756 |
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...
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7081188 |
Electric-current biosensor
An electric-current biosensor has first and second supports, a pair of positive and negative electrodes on the first supports, an activity area covers the positive and negative electrodes, a pair...
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7074307 |
Electrode systems for electrochemical sensors
The present invention relates generally to systems and methods for improved electrochemical measurement of analytes. The preferred embodiments employ electrode systems including an...
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7074308 |
Transition metal complexes with (pyridyl)imidazole ligands
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...
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7070680 |
Biosensor
A biosensor for quantifying a specific substance contained in a biological sample includes an electrically insulating base plate, a plurality of lead terminals formed on the base plate, a plurality...
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7063774 |
Recloseable biosensor
A biosensor is provided that comprises a substrate, a sample site positioned on the substrate, a cover coupled to the substrate, and biocide positioned between the substrate and the cover. The...
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7060168 |
Biosensor
The present invention provides a biosensor having a favorable response characteristic up to a high concentration range, a low blank response and a high storage stability. This sensor comprises an...
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7056425 |
Biosensor
To provide an improved biosensor which allows easy addition of whole blood to the sensor and rapid supply of the added whole blood to a filter even in the case of collecting blood by fingertip...
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7022218 |
Biosensor with interdigitated electrodes
The present invention provides a highly sensitive biosensor capable of yielding good response even when the amount of a sample is extremely small. The biosensor of the present invention includes: a...
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6984307 |
Dual glucose-hydroxybutyrate analytical sensors
Diagnostic dry reagent tests capable of reacting with a single drop of whole blood and reporting both glucose and beta-hydroxybutyrate levels are taught. Such dry reagent tests may employ...
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6969450 |
Biosensor and measuring apparatus for biosensor
In biosensor system 1 , biosensor 2 is mounted in measuring apparatus 3 for quantifying or detecting existence of a targeted substrate in a sample solution. Mounting end portion 20 of...
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6964871 |
Systems 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 or other testing zone, a working electrode, a counter electrode,...
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6942770 |
Disposable sub-microliter volume biosensor with enhanced sample inlet
A disposable electrode strip for testing a fluid sample including a laminated strip with a first and second end, a vent, an open path for receiving a fluid sample of less than one microliter...
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6893545 |
Biosensor
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...
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6821400 |
Electrochemical sensor with increased reproducibility
The invention concerns a sensor allowing the concentration of a constituent to be determined and being formed by a tongue of small dimensions including a thin plastic substrate ( 1 ) supporting at...
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6818109 |
Nucleic acid detections sensor
A nucleic acid detection sensor comprises a plurality of nucleic acid chain fixed electrodes to which a probe nucleic acid chain is fixed, and a counter electrode which is arranged opposite to the...
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6790327 |
Device and method for determining the concentration of a substrate
An apparatus for determining the concentration of a substrate in a sample solution using an electrode system comprising a working electrode, a counter electrode, and a reaction layer which contains...
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6780297 |
Apparatus for measuring biochemical components
A measuring apparatus for a biochemical compound has a channel structure having an inlet port and an outlet port. A passageway extends between the inlet and outlet ports for passing a liquid sample...
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6780296 |
Thermally conductive sensor
A sensor strip comprises an electrode substrate, an electrode set, on the electrode substrate, and a heat conducting layer, on the electrode substrate opposite the electrode set. A sensor...
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