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7632392 |
Sensor of pyrophosphate and SNP typing sensor using the same
A sensor of pyrophosphate which can detect pyrophosphate conveniently with high sensitivity in a method for measuring pyrophosphate in SNP typing utilizing a primer extension reaction is provided. ...
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7632674 |
Apparatus for stimulating an animal cell and recording its physiological signal and production and use methods thereof
The present invention provides an apparatus for stimulating an animal cell and recording its physiological signal and methods of making and using thereof. The purpose of the present invention is to...
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7625729 |
Electroporation device
Electro-poration device for the permeabilization of cells contained in a substrate comprising a signal generator for generating a stimulating signal applied by means of electrodes to the substrate...
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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...
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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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7608180 |
Amperometric sensor
An amperometric sensor suitable for determining the concentration of hydrogen peroxide in a sample, the sensor comprising a ferricyanide compound which, in reduced form, functions as a mediator...
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7601249 |
Method and apparatus for assay of electrochemical properties
A method for monitoring a select analyte in a sample in an electrochemical system. The method includes applying to the electrochemical system a time-varying potential superimposed on a DC potential...
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7597793 |
System and method for analyte measurement employing maximum dosing time delay
A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC...
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7594984 |
Apparatus and method for measuring activity signals of biological samples
The present invention provides an apparatus for measuring activity signals of a biological sample comprising: a measurement chamber (A) storing a target liquid containing a biological sample; a...
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7555144 |
Optical scanning device for liquid biological samples, process of operation and computer program for a computer connected to said device
Optical scanning device for the production of a 2D computer image of a liquid or humid biological sample observed by transparency, wherein an even thickness of the liquid biological sample is...
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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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7537684 |
Sample analyzing method and sample analyzing device
This invention relates to a technique for analyzing a sample. A sample analyzer ( 1 ) provided by the invention includes: a voltage applier ( 12 ) for applying a voltage to a reaction field which...
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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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7520970 |
Immobilization support, process for producing the same, electrode, process for producing the same, electrode reaction utilizing apparatus and process for producing the same
An immobilization carrier containing an electron acceptor compound is used in addition to glutaraldehyde and poly-L-lysine to immobilize an enzyme and an electron acceptor compound simultaneously...
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7514228 |
Detection of analytes using reorganization energy
The invention relates to novel methods and compositions for the detection of analytes using the nuclear reorganization energy, λ, of an electron transfer process.
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7510642 |
Biosensor with improved reading resolution
A method for improving a reading resolution of a biosensor is provided. The present invention includes applying a specimen on a chip of a biosensor, and a voltage-time discharge curve is...
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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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7501052 |
Method and apparatus for assay of electrochemical properties
The presence of a select analyte in the sample is evaluated in an an electrochemical system using a conduction cell-type apparatus. A potential or current is generated between the two electrodes of...
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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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7497940 |
Glucose sensor and glucose level measuring apparatus
The present invention relates to a glucose sensor ( 2 ) including an electrode ( 32 ) which includes a conductive component and glucose dehydrogenase immobilized to the conductive component. As the...
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7494819 |
Electrochemiluminescence electrode
Disclosed is a bipolar electrode useful for ECL assays and a method for using the same.
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7491310 |
Concentration measuring method and concentration measuring apparatus
The present invention relates to a technique for measuring the concentration of a particular component in a sample liquid using a test tool ( 2 ). The test tool ( 2 ) includes a first through a...
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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...
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7473533 |
Membrane arrays and methods of manufacture
The invention relates to G protein-coupled receptor (GPCR) microarrays on porous substrates for structural or functional analyses of GPCRs, and methods of preparing porous substrate surfaces for...
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7431820 |
Electrochemical cell
The present invention relates to electrochemical cells including a first working electrode 32 , a first counter electrode 34 , a second working electrode 36 , and a second counter electrode 38...
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7410564 |
Apparatus and method for biopolymer identification during translocation through a nanopore
The present invention provides an apparatus and method for identifying and sequencing a biopolymer translocating a nanopore. The apparatus of the present invention provides a first electrode, a...
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7407781 |
Oocyte recording chamber
An oocyte recording chamber for electrophysiological measurements. The recording chamber includes a base and a cover attached to the base. The cover and the base define a chamber having a size...
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7399400 |
Nanobiosensor and carbon nanotube thin film transistors
The present invention is directed to systems and methods for detecting biological and chemical species in liquid and gaseous phase. The systems and methods utilize carbon nanotubes to enhance...
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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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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...
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7384733 |
Interface patch clamping
The invention provides a novel development of the conventional patch clamp technique for measurement of whole cell electrical activity. The invention provides for one or more cell or cells to be...
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7371314 |
Creatinine sensor calibration
In a method for calibrating a biosensor for the amperometric determination of creatinine in biological liquids, consisting of one electrode system each for measuring the concentrations of...
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7351323 |
Quantitative analyzing method and quantitative analyzer using sensor
A quantitative analyzing method is provided for electrochemically measuring the concentration of a substance in a sample liquid using a sensor including a reagent layer ( 30 ) which contains a...
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RE40198 |
Method and device for electrochemical immunoassay of multiple analytes
A method and device for detection and quantification of biologically significant analytes in a liquid sample is described. The method includes contacting a volume of a liquid sample with...
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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...
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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 R s , a power source, and a...
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7344626 |
Method and apparatus for detection of abnormal traces during electrochemical analyte detection
Detection of abnormal signal traces in electrochemical measurements generated using an electrochemical test strip to which a potential is applied allows for an indication of an erroneous analyte...
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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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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...
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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....
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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...
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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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7250105 |
Measurement of substances in liquids
In accordance with the present invention a measuring device compares the current generated by two working sensor parts and gives an error indication if they are too dissimilar, i.e., the current at...
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7244349 |
Multiaperture sample positioning and analysis system
Systems for positioning and/or analyzing samples such as cells, vesicles, cellular organelles, and fragments, derivatives, and mixtures thereof, for electrical and/or optical analysis, especially...
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7223330 |
Biosensor, biosensor array and method for detecting macromolecular biopolymers with a biosensor
The inventive biosensor has three electrodes, the first electrode having a retaining area for retaining probe molecules which bind with the macromolecular biopolymers. The second electrode and the...
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7205099 |
Methods for studying ion channels incorporated onto a solid-supported membrane
Methods for studying ion channels comprise incorporating an ion channel onto the surface of a solid-supported membrane; applying a potential to the solid-supported membrane; and measuring an...
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7195704 |
Determination of sample volume adequacy in biosensor devices
Methods and systems are provided for determining whether a volume of biological sample is adequate to produce an accurate electrochemical analyte concentration measurement. Certain such methods and...
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