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7625473 Test strip with identification function and test instrument using the same  
The present invention discloses a test strip with an identification function and a test instrument using the same. The test strip of the present invention comprises a substrate, a test area on the...
7622934 Method and apparatus for sensing a time varying current passing through an ion channel  
A capacitive sensing system is used to measure a time-varying ion current through a channel, such as an ion channel or protein pore. Such a capacitive system does not suffer problems of electrode...
7616006 Method and system for electrolyzer diagnosis based on curve fitting analysis and efficiency optimization  
The present invention provides a method and system for electrolyzer diagnosis based on curve fitting analysis and efficiency optimization. The present invention relates to monitoring the...
7608042 Blood monitoring system  
The present invention is directed towards apparatuses and methods for the automated measurement of blood analytes and blood parameters for bedside monitoring of patient blood chemistry....
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...
7597932 Mesoporous permeation layers for use on active electronic matrix devices  
The present invention provides improved synthetic polymer hydrogel permeation layers for use on active electronic matrix devices for biological assays. The present invention includes methods for...
7597788 Oxygen-chemical agent sensor  
A gas sensing mechanism and a gas sensor based on a semiconducting carbon nanotube diode structure are disclosed. The gas sensor operates by detecting the change in conductivity characteristic of...
7594983 Analytical tool  
The present invention relates to an analytical tool ( 1 ) including a capillary ( 5 ) for moving a sample liquid introduced through a liquid introduction port ( 51 ), and a window ( 43 ) for...
7585464 Biosensor cartridge and biosensor dispensing device  
A compact biosensor cartridge allows biosensors to be tested one by one and protects the biosensors from moisture until they are set. A biosensor dispensing device is also disclosed. A biosensor...
7582196 Laminated membranes for diffusion limited gas sensors resistant to pressure variations  
A micro fuel cell sensor having laminated gas permeable membrane. The sensor comprises a housing, first and second gas diffusing electrodes spaced from one another, a fuel-cell spacer having an...
7579184 Methods to increase dynamic range and improve quantitative analysis in rapid biosensors  
Conductimetric assay devices that have both low end and high end sensitivity are described. The geometric shape and/or arrangement of the capture zones make it possible for the assay devices to...
7569128 Coulometric water vapor sensor  
A sensor for detecting water vapor in a gaseous sample. The sensor comprises (a) an anode, (b) a cathode, (c) an electrolyte intermediate the anode and cathode, and (d) an inlet orifice through a...
7566418 Biochemical concentrator and drug discovery  
A novel label-free sensitive detection method by employing a novel sensitive charge sensor is provided. Dissociation constant information is provided by a simple measurement of the dissociation of...
7556725 Sealing ring assembly and mounting method  
A sealing ring assembly and an improved method for mounting a sealing ring into an electrochemical cell used for Electrochemical Capacitance Voltage (ECV) profiling measurements. The ring is...
7553402 Method and device for developing an electrochemical measuring system  
A method and a device for developing an electrochemical measuring system, in particular a sensor, is provided. A plurality of different electrode materials are applied to at least one substrate and...
7550290 Sensor  
In order to realize a sensor that is capable of promptly and accurately supplying a small amount of a liquid sample to a filtration part even if the sensor is not held substantially horizontally,...
7545148 Electrochemical sensor  
In an electrochemical sensor, the potential difference applied to the electrochemical cell is raised to a measuring value at a rate determined to reduce the transient current. The maximum rate of...
7544277 Electrochemical test sensors  
Sensors for the electro-chemical analysis of samples and methods for the manufacturing of sensors allow for more efficient manufacture and use of electro-chemical sensors. Flexible sheets, such as...
7516543 Method for manufacturing semiconductor component with a media channel  
A semiconductor component includes a media channel and at least the following components: a semiconductor chip on a wiring substrate, electric connecting elements disposed between the semiconductor...
7513983 Insulator electrode devices  
Methods and insulator electrode devices for performing electrochemical reactions are disclosed. The devices consist of high specific surface area electrodes based on a channeled conducting base...
7491303 Measuring instrument and concentration measuring device  
The measurement instrument includes an attribute information output section to output attribute information about the attributes of the measurement instrument as an electric physical value. The...
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...
7488405 Electrode for electrochemical measurement and method for manufacturing the same  
The present invention provides an electrode for electrochemical measurement including: a carbon nanotube and an insulator that encloses carbon nanotube, wherein: the carbon nanotube is enclosed by...
7477053 Detection of electromagnetic fields  
Method and apparatus for detecting or analyzing chemical reactions, such as an enzyme reaction, and other events in which electron translation is accompanied by photon emission utilizing a...
7462322 Methods and apparatus for improved luminescence assays  
An apparatus for performing a binding assay for an analyte of interest present in a sample based upon measurement of electrochemiluminescence at an electrode surface comprising a cell defining a...
7452452 Carbon nanotube nanoelectrode arrays  
The present invention relates to microelectode arrays (MEAs), and more particularly to carbon nanotube nanoelectrode arrays (CNT-NEAs) for chemical and biological sensing, and methods of use. A...
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...
7438853 Photoelectrocatalytic method and photoelectrochemical detector for electrochemical analysis  
A photoelectrocatalytic method for detecting current that illuminates a photoelectrochemical electrode to generate a photocurrent and to magnify the current. Thereby, accuracy of the detection is...
7438796 Electrochemical chlorine sensor  
A sensor for measurement of free chlorine and of total chlorine in aqueous solution including a working electrode having a self-assembled monolayer (SAM) formed on the surface thereof, producing a...
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...
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...
7407566 System and method for sensing using diamond based microelectrodes  
A method and system is disclosed for monitoring one or more characteristics associated with a fluid. An insulating layer comprising non-conducting diamond is positioned within a housing and has a...
7404880 Sensor element  
A layered sensor element used in a gas measuring sensor for measuring a physical property of a measuring gas, preferably for determining the temperature of the measuring gas or the concentration of...
7399401 Methods for use in assessing a flow condition of a fluid  
A device for use in assessing a flow condition of a fluid, or a fluid in a flow path, is provided. The device comprises at least one electrochemical cell, comprising a working electrode and at...
7396683 Detection of allergen-associated materials  
Measurement of the redox properties of household dust is used to detect the presence of allergen-associated materials. Measurement may be electrochemical, preferably amperometric. A disposable...
7393504 Flow injection electrochemical detecting device  
A flow injection electrochemical detecting device has a base ( 10 ), a cover pivotally mounted on the base ( 10 ), and a locking device attached between the base ( 10 ) and the cover ( 20 ). The...
7388200 Sensing method and nanosensing device for performing the same  
A sensing method includes exposing a nano-transducer having a controlled surface to a sample including at least one species. Adsorption of the species on the nano-transducer is transduced to a...
7387714 Electrochemical sensor strip  
Provided is a single use electrochemical sensor strip having an active portion and an inactive portion. The inactive portion may be a handling strip. Another aspect provided is an article...
7378006 Aqueous solutions for reducing the rate of oxygen loss, and methods thereof  
Compositions and methods for reducing the rate of loss of oxygen from a solution and increasing the effective life span of oxygen-containing calibration solutions.
7361257 Electrochemical screening system  
Devices and methods for evaluating an electrochemical reaction are disclosed. A device includes an electrochemical cell having a cavity for containing a liquidus electrolyte, a first working...
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...
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...
7338808 Method and apparatus for determining zeta potential using alternating current electric field and T channel  
Provided is a method for determining a zeta potential generated between a solid wall and a solution. The method includes (a) injecting an electrolyte solution into a first inlet of a T channel,...
7335292 Sensor with improved shelf life  
The present invention provides a metal electrode stabilized by a coating, the coating comprising a sulfur containing moiety in its molecular structure. The coating may also include a hydrophilic...
7332130 Heat-reduction methods and systems related to microfluidic devices  
A system and method for preventing or reducing unwanted heat in a microfluidic of the device while generating heat in selected regions of the device. In one example, current is supplied to a...
7318887 Solid state reference electrode  
A reference electrode includes a conductive substrate having a first surface and an ionically insulating, hydrophobic layer adjacent to the first surface having a plurality of non-selective ion...
7312087 Devices and methods for biochip multiplexing  
The invention is directed to devices and methods that allow for simultaneous multiple biochip analysis. The method of analyzing the plurality of biochips includes inserting a first biochp into a...
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...
7291503 Reversible resistivity-based sensors  
One aspect of the present invention relates to a method for detecting the presence of an analyte by comparing the conductivity of a mixture containing an analyte and a sensor to the conductivity of...
7288404 Microcantilevers for biological and chemical assays and methods of making and using thereof  
Disclosed herein are microcantilevers having structural shapes that are less sensitive to turbulence and drift effects yet provide greater deflections due to analyte concentration. The structural...