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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...
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8152991 |
Ammonia nanosensors, and environmental control system
Embodiments of nanoelectronic sensors are described, including sensors for detecting analytes such ammonia. An environmental control system employing nanoelectronic sensors is described. A...
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8153062 |
Analyte detection via electrochemically transported and generated reagent
Electrochemical devices, methods, and systems for detecting and quantifying analytes are disclosed. A chemical detection reagent is locally generated in a test solution by electrochemical reaction...
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8142640 |
Chloride analysis in acid copper plating baths
The chloride concentration in an acid copper plating bath is determined from the chloride oxidation current measured under controlled hydrodynamic conditions at a noble metal electrode using...
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8142641 |
Electrochemical sensor
A electrochemical sensor comprising a mounting having screen printed array of electrodes located thereon, the array comprising a reference electrode, a counter electrode and a plurality of working...
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8101064 |
Method of using a biosensor
A biosensor for determining the concentration of an analyte in a biological sample. The biosensor comprises a support, a reference electrode or a counter electrode or both disposed on the support,...
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8101062 |
System and methods for determination of analyte concentration using time resolved amperometry
A method for determining a concentration of an analyte is disclosed. The method includes applying a potential excitation to a fluid sample containing an analyte and determining if a current decay...
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8088271 |
Method of measuring hematocrit (Hct), sensor used in the method, and measuring device
The present invention provides a method of electrochemically measuring a hematocrit (Hct) value using a sensor, capable of achieving excellent measurement accuracy and reliability and also provides...
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8026104 |
Transient decay amperometry
A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a...
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7998338 |
Biosensor
A biosensor for determining the concentration of an analyte in a biological sample. The biosensor comprises a support, a reference electrode or a counter electrode or both disposed on the support,...
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7988844 |
Method for measuring an iodine adsorption number of carbon black, electrolytic cell, and kit for measuring an iodine adsorption number of carbon black
A method for measuring an iodine adsorption number of carbon black includes: (a) electrochemically reducing an unknown amount of iodine adsorbed by a predetermined amount of a carbon black sample;...
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7988838 |
Adhesion of membranes on nitride layer in electrochemical sensors by attachment to underlying oxide layer
An electrochemical sensor is provided that exhibits improved adhesion of the membrane to the nitride layer used as an insulating layer in silicon- or silicon-oxide-based electrochemical sensing...
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7985377 |
Apparatus for monitoring chlorine concentration in water
Apparatus (2) for monitoring chlorine in water (4), which apparatus (2) comprises a flow cell (6), the flow cell (6) containing a chlorine sensor (62) and an automatic calibration system, and the...
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7977089 |
Bioreactors with multiple chambers
A bioreactor for cultivating living cells in a liquid medium. In one embodiment of the present invention, the bioreactor has a first substrate having a first surface and an opposite second surface,...
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7959791 |
Enzyme sensor with a cover membrane layer covered by a hydrophilic polymer
The present disclosure relates to an improved enzyme sensor comprising a cover membrane layer of a porous polymeric material, the outer surface and pore mouths of at least one face of the porous...
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7955492 |
Method for measuring blood components and biosensor and measuring instrument for use therein
The present invention provides a method of measuring a component in blood, by which the amounts of blood cells and an interfering substance can be measured with high accuracy and high reliability...
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7914663 |
Structure, porous body, sensor, process of structure and detecting method for specimen
A mesoporous silica structure having a plurality of mesopores includes a dendritic framework having mesopores. 90% or more of the mesopores observable in a 500 nm×500 nm area pass through the ...
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7906008 |
Bacterium consortium, bio-electrochemical device and a process for quick and rapid estimation of biological oxygen demand
The present invention deals with a device for quick estimation of biochemical oxygen demand of beverage waste water. This device consists of an immobilized microbial membrane attached to an...
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7892414 |
Electrochemical biosensors, applications and methods of making biosensors
Electrochemical biosensors, methods of making biosensors and methods of detecting a target analyte in a sample to be analyzed are provided. A preferred embodiment device comprises a non-conductive...
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7851203 |
Functionalized apertures for the detection of chemical and biological materials
Disclosed are nanometer to micron scale functionalized apertures constructed on a substrate made of glass, carbon, semiconductors or polymeric materials that allow for the real time detection of...
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7846321 |
Error detection in analyte measurements based on measurement of system resistance
Measurement of the series track resistance of a working and counter electrode pair in an electrochemical test strip provide error detection for multiple variations in the quality of the test strip,...
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7807043 |
Microfluidic test device
The present invention provides biosensor test devices for measuring the presence or amount of an analyte in a biological fluid. The devices have a base plate that has an electrode system embedded...
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7725148 |
Sensor with layered electrodes
A thin film sensor, such as a glucose sensor, is provided for transcutaneous placement at a selected site within the body of a patient. The sensor includes several sensor layers that include...
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7713733 |
Device and methods for detecting the response of a plurality of cells to at least one analyte of interest
An apparatus and methods for detecting at least one analyte of interest either produced or consumed by a plurality of cell. In one embodiment of the present invention, the method includes the steps...
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7547384 |
Electrochemical detector systems
The present invention concerns methods for detecting micro-organisms in a sample, and apparatus comprising hollow fibre filter membranes for same.
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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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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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7455760 |
Analytical instruments, biosensors and methods thereof
An electrochemical sensor system and membrane and method thereof for increased accuracy and effective life of electrochemical and enzyme sensors.
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7442289 |
Amperometric biosensor in thick film technology
Described is an amperometric biosensor in thick film technology for the detection an/or determination of substances undergoing enzyme catalyzed reactions, especially glucose or lactate, comprising...
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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...
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7413645 |
Devices, systems and methods for testing gas sensors and correcting gas sensor output
A method of adjusting the output of an electrochemical sensor includes the steps of: simulating the presence of an analyte gas electronically; measuring a response of the sensor to the electronic...
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7408359 |
Current measuring device having artificial lipid bilayer membrane
The current measuring device includes an upper solution chamber (3) and a lower solution chamber (8) whose bottom has a support layer (5) and measures a current flowing via an artificial lipid...
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7379765 |
Oxygen enhancing membrane systems for implantable devices
The present invention relates generally to systems and methods for increasing oxygen availability to implantable devices. The preferred embodiments provide a membrane system configured to provide...
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7270736 |
Electrode system for electrochemical sensor
The system concerns an electrode system for an electrochemical sensor, comprising, arranged on a conductive substrate (10), a plurality of micro-discs (22) electrically connected to the substrate...
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7201831 |
Impurity detection device
There is provided a sample preparation device and method for preparing a sample of liquid for detection of impurities. First (40) and second (38) electrodes are provided, located for immersion in a...
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7146203 |
Implantable biosensor and methods of use thereof
Provided herein is a stabilized oxygen transport matrix that includes a reversible oxygen binding protein, such as hemoglobin, immobilized throughout the stabilized oxygen transport matrix. The...
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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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7108778 |
Electrochemical sensors including electrode systems with increased oxygen generation
The present invention relates generally to systems and methods for increasing oxygen generation in electrochemical sensors in order to overcome the oxygen limitations. The preferred embodiments...
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7087149 |
Biosensor
A novel biosensor was accomplished using a plasma-polymerized membrane. The biosensor of the present invention is a high-performance biosensor produced by a simpler method and applicable to a wide...
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7045054 |
Small volume biosensor for continuous analyte monitoring
Sensors (10, 110, 210, 310, 410) and a method for detecting an analyte are described. Sensors (10, 110, 210, 310, 410) each have a volume of a hydrophilic medium (24) that retains an amount of...
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7033483 |
Fluoride-sensitive electrode
A fluoride-sensitive electrode having a tubular electrode shaft, a lanthanum fluoride crystal, which closes the end of the electrode shaft, an internal electrolyte sealed between the lanthanum...
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6841060 |
Method for quantifying antioxidant levels in food and medical specimens
A simple analytical method for determining antioxidant level in food product and body fluids such as urine is based on reduction of elemental iodine. The method adds an aqueous solution of iodine...
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6740225 |
Method for determining the amount of chlorine and bromine in water
A thick film electrochemical microsensor device for measuring or regulating chlorine and bromine in water, comprising a substrate to which is applied an optimum arrangement of at least two...
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6706160 |
Chemical sensor and use thereof
A chemical sensor selectively detects an analyte in a solution. The sensor comprises a flow-through chamber, a selective membrane, a transducer, an inlet for a liquid flow containing a recognition...
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6673226 |
Voltammetric measurement of halide ion concentration
The concentration of chloride ion in an acid copper electroplating bath is determined from the effect that chloride exerts on the copper electrodeposition rate in the presence of organic additives....
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6627067 |
Molecular and atomic scale evaluation of biopolymers
A method for evaluating a polymer molecule including linearly connected monomer residues includes providing a polymer molecule in a liquid, contacting the liquid with an insulating solid-state...
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6623647 |
Methods of optimized control of multiple oxidizer feedstreams
This invention is directed to a method and apparatus for controlling and optimizing the feed of two or more oxidizers to an aqueous stream, thereby providing a synergistic effect. The system...
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6623616 |
Corrosive environment monitor and methods regarding same
A monitoring method and system to monitor an environment in which an object is located includes monitoring one or more environmental factors associated with corrosion of materials in the...
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6596154 |
Method for regulating the sensitivity of a microsensor, and a microsensor that makes use of this method
The inventive microsensor and method for regulating the sensitivity primarily aims at measuring the nitrate concentration in a surrounding medium by use of a concept named “Migrational S...
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