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7582419 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.
7579145 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.
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.
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...
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...
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.
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7018523 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.
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...
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...
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...
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....
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...
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...
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...
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...
6592746 Sensor probe for determining hydrogen peroxide concentration and method of use thereof  
A sensor probe is disclosed which can measure the hydrogen peroxide content of a single sample using two oxygen sensors whose electrodes are encased in defined membranes. The oxygen reference...
6579434 Electrode with reversibly sealed fluoride sensing crystal  
A free fluoride ion sensitive electrode with longer service life can be obtained by eliminating the use of any cement or similar adhesive to hold the fluoride sensing crystal of the electrode in...
6573109 Surface amplifier  
The present invention relates to a membrane for use in detecting the presence of an analyte. The membrane comprises an array of closely packed self-assembling amphiphilic molecules and a plurality...
6551496 Microstructured bilateral sensor  
A bilateral biosensor based upon a microporous architecture is provided which seeks to reduce the effect of co-reactant concentration limitations by utilizing a new sensor microgeometry. If...
6537441 Biosensor involving the use of optically sensitive moieties  
The present invention provides biosensors which include or are fabricated using optically sensitive moieties. The use of optically sensitive moieties provides advantages in the synthesis of the...
6514402 Sensor and method for detecting an air borne or exogenously introduced analyte  
The present invention includes a method and sensor that is easy to assemble and can operate to effectively detect an air borne or exogenously introduced analyte. In one embodiment, the assembled...
6451196 Ionic reservoir through application of an electrical potential  
An improved membrane based biosensor incorporates sensing and reference electrodes and a dc electrical potential produced by a counter electrode. The biosensor incorporates ionophores. The...
6432296 Polymeric compositions for ion-selective electrodes  
Improved dry-operative ion-selective electrodes and their use are described. The dry-operative ion-selective electrodes include an internal reference electrode comprising a water-soluble salt...
6372105 Apparatus for measuring a silver or halogen ion concentration  
A method of producing a silver halide photographic emulsion in which a silver ion concentration in precipitation of a silver halide emulsion in a precipitation bath is controlled, wherein a...
6348319 Enzyme detection biosensors  
The present invention provides a biosensor for use in detecting the presence of an enzyme or enzymes in a sample. The biosensor comprises a membrane and means for determining the impedance of the...
6340597 Electrochemical biosensors and process for their preparation  
The present invention concerns new electrochemical biosensors for the determination of analytes concentration in sample solutions or suspensions, based on composite transducers containing an...
6309535 Electrodes and their use in assays  
An electrode comprises a non-conductive substrate and a conductive layer comprising, in a bonded matrix, graphite particles coated with a noble metal, and carbon particles, wherein the graphite...
6306284 Apparatus and method for monitoring fluorine ions  
An apparatus and a method for determining concentration of fluorine ions in aqueous solutions are provided. In the apparatus, a pH sensor is provided for sensing a pH value of an aqueous solution...
6290838 Apparatus and method for characterizing liquids  
An apparatus and a method of characterising liquids employ liquid sensors of different types of technology, in order to generate characterisation data from the whole of the output signals...
6280604 Electrode materials, systems and methods for the electrochemical detection of nitric oxide  
Nitric oxide-specific electrodes are useful for in situ detection of nitric oxide in biomedical applications and have at least a surface region capable of forming complexes with nitric oxide. The...
6270680 Amperometric sensor probe for an automatic halogen control system  
An amperometric bromine control system accurately maintains a desired concentration of bromine within a home spa or in other water features. The control system employs amperometric sensing to...
6241863 Amperometric biosensors based on redox enzymes  
The invention includes various prototypical amperometric biosensors for the quantification of biological substrates such as fructose, creatinine, creatine, and sarcosine, and the methods for...
6225078 Method for quantitative measurement of a substrate  
The invention provides a method for quantitative measurement of a substrate with high accuracy by electrochemically oxidizing an electron mediator which has been reduced by enzyme reaction thereby...
6224550 Method for monitoring the level of an osmotically active component in body fluid and device for carrying out said method  
A method for monitoring changes in the level of an osmotically active component, such as for instance glucose, or in healthy humans, such as athletes for monitoring the level of lactic acid in the...
6221238 Enzymatic-electrochemical one-shot affinity sensor for the quantitative determination of analytes for aqueous media and affinity assay  
6214206 Use of a chemical sensor  
A chemical sensor (1) for selectively detecting an analyte in a solution as described. The sensor comprises a flow-through chamber (2), a selective membrane (3), a transducer means (4), an inlet...
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