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7608460 Fluorescent pH detector system and related methods  
Fluorescent pH detector and methods for measuring pH using the fluorescent pH detector.
7534619 Method for determining metabolic type  
A method for determining a person's metabolic typing. The method includes the steps of taking a baseline reading to determine a person's blood pH, administering a substance challenge to a person to...
7494816 System and method for determining a temperature during analyte measurement  
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...
7488601 System and method for determining an abused sensor during analyte measurement  
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...
7445894 Compositions and methods for detection and isolation of phosphorylated molecules  
The present invention relates to phosphate-binding compounds that find use in binding, detecting and isolating phosphorylated target molecules including the subsequent identification of target...
7416699 Carbon nanotube devices  
Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is adapted to pass current between two...
7390462 Ratiometric fluorescent pH sensor for non-invasive monitoring  
The present invention provides ratiometric fluorescent pH sensors for non-invasive, continuous monitoring of pH in such applications as fermentation processes. The ratiometric fluorescent pH...
7294312 Test cartridge holder for blood samples  
Improved methods and apparatus that make more accurate and reduces risk of filling reaction chambers of cartridge cells with blood samples to conduct blood coagulation tests of the type employing...
7291502 Method for performing a non-invasive blood gas test  
A non-invasive blood gas test is carried out by a method that utilizes a venous blood sample together with a pulse oximeter and a plurality of mathematical equations. The method generates the...
7247497 Testing multiple fluid samples with multiple biopolymer arrays  
A method of testing multiple fluid samples with multiple biopolymer arrays. A cover is assembled to a contiguous substrate carrying on a first side, multiple arrays each with multiple regions of...
7247493 Reusable pH sensor device and related methods  
The present invention relates to devices, methods, and kits for quickly and easily measuring and monitoring the pH of aquatic environments, such as lakes, streams, drinking waters, fisheries,...
7206624 Hydration monitoring circuitry for pH sensors  
The present invention pertains to an apparatus for evaluating the signal strength from the pH sensor to determine whether the sensor is hydrated sufficiently to accurately measure pH. This is...
7129329 Heme proteins hemAT-Hs and hemAT-Bs and their use in medicine and microsensors  
The present invention provides an isolated archael and bacterial heme binding protein which reversibly binds oxygen with a low affinity. The heme binding protein may be utilized as a blood...
7097809 Combinatorial synthesis system  
The present invention provides a microfluidic device for synthesizing an array of compounds and methods for using the same. In particular, the microfluidic device of the present invention comprises...
7087436 Membrane countercurrent exchanger and membrane inlet mass spectrometer for the analysis of gas partial pressure in liquid samples  
A method and apparatus for the analysis of blood or other liquids by mass spectrometry to determine the partial pressures of gases and other volatile substances dissolved in the blood or other...
7056686 Method of diagnosing fibromyalgia caused by small intestinal bacterial overgrowth  
Disclosed is a method of diagnosing irritable bowel syndrome, fibromyalgia, chronic fatigue syndrome, depression, attention deficit/hyperactivity disorder, autoimmune diseases, such as multiple...
6905655 Modification of selectivity for sensing for nanostructure device arrays  
An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are...
6890757 Portable diagnostic system  
A portable system for analysis of blood or other bodily fluids removable from a patient is disclosed. The system includes a temperature sensing device and a temperature control circuit. The...
6852541 Rapid assay for testing overall oxidative stress  
The invention relates to an assay for testing oxidative stress of a subject by measurement of oxidants in biological fluids such as urine, plasma, bioreactor medium and respiratory aspirants. There...
6835571 Multi-analyte reference solutions with stable pO2 in zero headspace containers  
Multi-analyte reference solutions having a stable partial pressure of oxygen (pO 2 ) in zero headspace packaging and methods for preparing such solutions are disclosed. The solutions have long...
6827899 Test device  
A test device for testing of analyte concentration in a fluid comprises: a housing ( 2 ) having an opening and containing a stack of sensors ( 16 ); a transport member ( 4 ) rotatably mounted in...
6815211 Oxygen monitoring methods and apparatus (I)  
Apparatus or systems which employ luminescence quenching to produce an oxygen concentration indicative signal. Components of such systems include: (1) an airway adapter, sampling cell, or the like...
6811751 Method and apparatus for determining indirectly the concentration of a specific substance in the blood  
Method and apparatus for determining in a person's exhalation air the concentration of a specific substance in the blood by measuring the concentration of said substance and the concentration of...
6806091 Method and apparatus for determining blood oxygen transport  
The present invention relates to a method and apparatus for determining blood oxygen transport, and to measure lipid levels by correlating these levels with the rate at which oxygen diffuses...
6806089 Low frequency modulation sensors using nanosecond fluorophores  
Described is a new approach to fluorescence sensing based on a mixture of fluorophores, one of which is sensitive to the desired analyte. If a long lifetime analyte-insensitive fluorophore is mixed...
6793885 Blood test container  
A blood test container which facilitate the procedures starting from blood collection and ending with measurement of various components present in the blood while eliminating a risk for a tester to...
6701168 Apparatus for measuring an oxygen concentration gradient and method of use thereof  
The invention provides an improved, reliable and efficient way of measuring the oxygen concentration gradient in a sample by a novel apparatus and accompanying method of calculating linear oxygen...
6664111 Fluorescence based oxygen sensor systems  
Sensing elements, sensor systems and methods for determining the concentration of oxygen and oxygen-related analytes in a medium are provided. The sensing element comprises a solid polymeric matrix...
6579722 Chemiluminescence chemical detection of vapors and device therefor  
A solid phase chemical sensor includes a polymer film which has a chemiluminescent reagent immobilized therein. The polymer film and chemiluminescent reagent are chosen to significantly enhance the...
6531320 Method of monitoring redox of blood plasma using ESR and method of estimating progress of dialysis  
A method of judging the redox (oxidation-reduction) in human blood plasma precisely in a short time using electron spin resonance (ESR) spectroscopy is provided. Also, a method of evaluating the...
6451608 Method for measuring amount of active oxygen produced by leukocytes and oxidative stress  
A method for measuring luminol enhancing light emission without separating leukocytes and erythrocytes, that is, using whole blood and a method for measuring the number of leukocytes trapped by the...
6436712 Apparatus and method for monitoring internal combustion exhaust  
A method and apparatus according to the present invention monitors an emission gas, such as a carbon monoxide gas, from an emission source, such as a carbon monoxide source, by periodically sensing...
6395556 Polarization based sensing  
The present invention relates to the determination of the presence or concentration of an analyte in a sample by visual or electronic element, using polarization based sensing techniques ( 14 )...
6395555 Method and apparatus for determining the effect of a drug on cells  
A method is described for determining the effect of a drug or drugs on an attached culture of cells comprising (i) dissolving the phosphorescent compound, of known or predetermined quenching...
6379969 Optical sensor for sensing multiple analytes  
A device for analyzing simultaneously multiple analytes in a fluid of unknown composition. The device includes a plurality of sensors, a light source for providing light to shine on the sensors,...
6306609 Methods for the detection of nitric oxide in fluid media  
In accordance with the present invention, there are provided articles for use in non-invasive measurements of nitric oxide levels in a variety of fluid media, e.g., in mammalian body fluids....
6303386 Optical temperature sensors and optical-chemical sensors with optical temperature compensation  
The invention relates to a device for the temperature-compensated determination of chemical parameters, comprising: an optical temperature sensor which contains a temperature indicator that has...
6274086 Apparatus for non-invasive imaging oxygen distribution in multi-dimensions  
A detection device for three-dimensional tissue oxygen measurement in animals and humans comprising an array of fiber optics effective for transmitting emitted phosphorescent light, and further...
6254829 Optochemical sensor  
There is disclosed an optical sensor including a matrix containing a luminescence indicator whose luminescence may be quenched by oxygen. The optical sensor contains at least one agent capable of...
6214628 Method of conducting an assay of a sample containing an analyte of interest  
In accordance with the present invention, a method of conducting an assay of a sample containing an analyte of interest includes the step of forming a mixture so as to bring a metal-ligand complex...
6190612 Oxygen sensing membranes and methods of making same  
Optical sensor formulations comprising polymeric sensing formulations and methods of predictably making optical sensor formulations, for, e.g., measuring O 2 levels in patient blood samples. These...
6174728 Control or calibration standard for use with instruments for optical measurement of hemoglobin concentration in blood samples  
A control or calibration standard for use with instruments for the optical measurement of the hemoglobin content in blood samples, features scattering particles or beads dispersed in aqueous...
6103197 Method and apparatus for optically determining total hemoglobin concentration  
In a method of optically determining the total hemoglobin concentration (tHb) in non-hemolyzed whole blood, using at least two wavelengths for measuring, a first wavelength of λ<805 nm and a...
6101406 Cassette for measuring parameters of blood  
A cassette useful for measuring one or more parameters of blood in, for example, a cardiopulmonary bypass circuit has a convex coupling for releasable connection with a mating, concave coupling of...
6060319 Temperature stabilized fluid reference system  
A method and system for controlling the concentration of one or more gaseous species of interest in a fluid reference medium throughout a range of temperatures in which a temperature related,...
6027445 Method for flushing and calibrating a sensor in a body fluid analysis system  
In a method for flushing and calibrating at least one sensor in a system for body fluid analysis, said system having a first container, connected to the sensor, holding a first flushing liquid, and...
5997818 Cassette for tonometric calibration  
A cassette for tonometric calibration especially useful for systems that measure one or more blood parameters includes a cassette having an elongated fluid chamber. In one embodiment of the...
5970163 Process for visually measuring a microbial activity state during real time  
A method of measuring microbial activity of microbes in real time includes preparing a medium to enable microbial activity and placing the medium in operative contact with an appropriate sensor....
5944660 Disposable cartridge assembly with optional integrated temperature control system, and systems containing same  
A cartridge assembly is provided for analyzing characteristics of a sample fluid. The cartridge assembly comprises an assembly body having a passageway, a cavity and, interposed between the...
5921922 Measuring of bloodgases  
A method and an equipment for determining components, particularly pH, pO 2 and pCO 2 in blood. In order to facilitate the determination of blood gases, one sensor is used for measurement of...
Matches 1 - 50 out of 221 1 2 3 4 5 >