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8173440 |
Nanoporous material for aldehydes with direct optical transduction
The invention concerns a method for detecting and/or assaying and/or capturing at least one aldehyde, preferably formaldehyde, including a step of contacting a gas stream with a material comprising...
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8158435 |
Tandem mass spectrometry for detecting and/or screening for conditions associated with altered sterols
Embodiments of the present invention provide for detecting and/or screening for conditions associated with altered sterols by derivatization of sterols to provide suitable sensitivity and...
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8137978 |
Diagnostic method for biomarkers of adverse coronary events
A diagnostic method using biomarkers to predict future adverse coronary events is provided. More particularly, the present invention is directed to diagnostic tests for characterizing an...
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8114580 |
Simulation of normal fresh blood platelets for reference control
The present invention provides for novel analogs of fresh human platelets for use in hematological instrument. Methods for preparing such analogs are also described.
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8114382 |
Myelin detection using benzofuran derivatives
The present invention relates to methods for the detection of myelin and a quantitative measurement of its local concentration in a sample using a benzofuran compound or its radioisotope...
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8114674 |
Method for determining whether or not a mammal is affected with a lung cancer
The present invention relates to a method for determining whether or not a mammal is affected with a lung cancer. The method for determining whether or not a mammal is affected with a lung cancer...
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8067242 |
Method for methylmalonic acid detemination based on alkylative extraction associated to liquid chromatography coupled to mass spectrometry
The present invention relates to the determination of the presence of methylmalonic acid in biologic samples including the steps of methylmalonic extraction from the sample; derivatization of...
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8021886 |
Method for determining whether or not a mammal is affected with a lung cancer
The present disclosure relates to a method for assessing if a patient is affected with a lung cancer. The method includes analyzing the presence and amount of cyclohexanone contained in the urine...
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8012761 |
Detection of formaldehyde in urine samples
A method for rapidly detecting the presence of formaldehyde in a urine sample (e.g., urine or a urinary material associated therewith, such as headspace gas located associated with urine) is...
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7955861 |
Luminescent diketonate polymers
The present invention provides in one aspect polymeric luminescent dye compounds having fluorescent properties, phosphorescent properties, or both fluorescent and phosphorescent properties.
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7922971 |
Integrated meter for analyzing biological samples
Analyte monitoring devices and methods therefore are provided. The devices integrate various functions of analyte monitoring, e.g., sample acquisition and testing.
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7914793 |
Method for producing an antigenic substance and antibody
This invention provides antigen substance inductors which produce highly selective and/or specific vaccine precursor, vaccine, antibody (including idiotype antibody), neutralizing antibody,...
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7867772 |
Method for the determination of the CaCO3 content of a scrubbing liquid
The present invention relates to a method for the determination of the CaCO3, content of a scrubbing liquid, which has been separated from a scrubbing liquid circuit of a scrubbing column.
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7858381 |
Process for preparing high-purity, halogen-free o-phthaladehyde
Improved process for preparing high-purity, halogen-free o-phthalaldehyde, in which a) tetrahalo-o-xylene is hydrolyzed at a temperature of 155-160° C. and a pressure of from 2 to 5 bar, where ...
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7824919 |
Method for analyzing activated polyethylene glycol compounds
A chemical analysis method for the determination of RO(CH2CH2O)nH, RO(C2H4O)nA, and AO(C2H4O)nA in a mixture thereof, wherein R is an alkyl group, A is a functional group for coupling with a...
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7754419 |
Determination of testosterone by mass spectrometry
Provided are methods for determining the presence or amount of testosterone in a test sample, comprising ionizing all or a portion of the testosterone present in the sample to produce one or more...
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7736612 |
Processes for production of silica gels carrying derivatization agents for carbonyl compounds
The subject of the present invention is to provide a method for producing a silica gel supporting a derivatizing agent for a carbonyl compound that hardly collects carbonyl compounds during...
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7704751 |
Polymeric fluorescent chemical sensor
A method of detecting organic vapors is described. More particularly, the method involves the use of an analyte sensor that contains a polymeric material having a relatively large intrinsic...
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7695980 |
Chemiluminescent compounds and their use
The present invention relates to novel chemiluminescent compounds, to a method for synthesizing these compounds, to derivatives and conjugates comprising these compounds, to the use of these...
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7674625 |
Method for determining improper manipulation of urine samples using marker compounds
The invention relates to a diagnostic method and to marker substances which enable manipulations in endogenic marking to be detected and thus prevented. According to the invention, a metabolizable...
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7582801 |
Synthesis of [1-13C]pyruvic acid], [2-13C]pyruvic acid], [3-13C]pyruvic acid] and combinations thereof
The present invention is directed to labeled compounds, of the formulae wherein C* is each independently selected from the group consisting of 13C and 12C with the proviso that at least one C* is...
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7531361 |
Coloration agent for carbonyl sulfide, detecting means and fuel cell system
Provided are a coloration agent for carbonyl sulfide which contains a metal oxide, and at least one metal component selected from among a cerium component, a silver component, a copper component, a...
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7514265 |
Aldehyde detection kit and method thereof
The present application describes a reagent system for detecting presence of aldehyde in a sample that includes (i) Component A, which includes bisulfite, pararosalinine, and hydrochloric acid; and...
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7482161 |
Preparation of a red blood cell component for a hematology control
Red blood cells from a vertebrate are treated to make them effective components of a hematology control, allowing the control to be used for detecting all blood cell components, including white...
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7435600 |
Infrared methods of measuring the extent of cure of a binder in fibrous products
A method of measuring the extent of cure of a binder in a fibrous product is provided. The method comprises (a) providing a sample of a fibrous product, the fibrous product comprising fibers and a...
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7407626 |
Composition and method of use of medical test kit
A medical test kit includes a glucose testing composition, a protein testing composition, a bilirubin testing composition, a bilinogen testing composition, an amylase testing composition, a blood...
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7378282 |
Method for measuring hypochlorite ion
A method for measuring hypochlorite ion, which comprises the steps of: (A) reacting, with hypochlorite ion, a compound represented by the following general formula (I): wherein R1 represents a...
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7348137 |
Determination of testosterone by mass spectrometry
Provided are methods for determining the presence or amount of testosterone in a test sample, comprising ionizing all or a portion of the testosterone present in the sample to produce one or more...
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7309608 |
Method of analysis of aldehyde and ketone by mass spectrometry
A method of identification and quantitative analysis of aldehydes and/or ketones in a sample by mass spectrometry using stable isotope labeled oxime internal standards or stable isotope labeled...
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7241625 |
Carbonyl compound scavenger and method of quantifying carbonyl compound using the same
A carbonyl compound scavenger comprising a mineral acid salt of a benzylhydroxyamine-based compound of the formula (1) and at least one adsorbent selected from the group consisting of silica gel,...
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7204959 |
Stabilized powdered formaldehyde
According to an aspect of the invention, a polymerized form of formaldehyde is available in granular form containing a polymerized form of formaldehyde, such as paraformaldehyde, a buffer, such as...
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7112448 |
MBTH for aliphatic aldehyde measurement
A new method is proposed where a limited amount of MBTH is used to detect a point of interest (POI) of an aldehyde in a test sample. Preferably, it reacts with aldehyde first to form an azine. Only...
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7109043 |
Fluorescent probe for magnesium ion determination
A fluorescent probe for measuring magnesium ion, which can selectively form a complex with magnesium ion in aqueous system is disclosed. The fluorescent probe for measuring magnesium ion according...
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7101717 |
Addressable biologic electrode array
An addressable biologic electrode array includes an array of electrodes disposed on a support, the array of electrodes being selectively addressed and driven using a memory associated with each...
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7101716 |
Formaldehyde detecting material
A detecting material to detect formaldehyde at low concentration in the atmosphere in a short time is prepared by impregnating a base material containing at least silica gel with a coloring liquid...
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7087434 |
Automatic portable formaldehyde analyzer
An apparatus for measuring the concentration of formaldehyde in an exhaust stream from turbines, internal combustion engines and the like, which apparatus includes a portable housing having a...
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7045097 |
Biologic electrode array with integrated optical detector
A biologic electrode array is formed on a semiconductor substrate. A matrix of electrode sites is disposed on the semiconductor substrate. A matrix of optical detectors is disposed beneath the...
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7033541 |
Bicarbonate receptor compounds
The present invention relates to compounds and more particularly to compounds which are useful for the determination of bicarbonate and the delivery of bicarbonate to a non-aqueous solution. The...
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6958243 |
Organic reactions with CO generating materials
The present invention is drawn to a method of performing a one-pot organic reactions including carbon monoxide as reactant, without the use of an external CO gas source, wherein a reaction mixture...
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6927066 |
Process for the determination of MTBE in the ground and air
A process is described, and also the system for its embodiment, for the determination of pollution by MTBE in the soil and in the overlying atmosphere. An example is described relating to the...
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6921668 |
Determining infections in liquid samples by detecting short-chain fatty acids and ammonia in the headspace associated with the liquid sample using polymer sensors
A method for determining the presence of an infection in a liquid sample comprising the steps of: lowering the pH of the liquid sample so as to drive short-chain fatty acids present in the liquid...
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6913932 |
Formaldehyde-ammonium salt complexes for the stabilization of blood cells
A stabilization reagent composition, particularly desirable for stabilizing blood samples containing platelets, contains reactants that generate multiple species of formaldehyde-ammonium complexes;...
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6906076 |
Compounds and methods of use to treat infectious diseases
The present invention concerns alkyl aryl carbonyl compounds that possess anti-infective activity. The compounds of the invention can be used to target specific nuclear localization signal, thereby...
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6890758 |
Measurement of complexing agent concentration in an electroless plating bath
The concentration of citrate complexing agent in an electroless cobalt or nickel plating bath is determined by titrating a sample of the electroless plating bath containing a small concentration of...
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6872829 |
Process for the direct preparation of 5-alkoxy and 5-acyloxy analogues of camptothecins or mappicene ketones
A convenient and efficient process for direct preparation of 5-alkoxy and 5-acyloxy analogues of camptothecins (anticancer compounds) and mappicine ketones (antiviral compounds) has been invented...
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6835573 |
Method and device for testing aldehyde in polyester polymer
A test strip, methods for making and using the test strip, and a kit are described, which allow for the simple and efficient determination of the acetaldehyde content in a polyester polymer. The...
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6833274 |
Cortisol sensor
Devices and methods for sensing and detecting cortisol levels in a fluid sample in real-time using a cortisol-imprinted polymer are provided. Also provided are hydration devices that include a...
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6818452 |
Lateral flow contact test apparatus
A test strip assembly for detecting the presence of a substance in liquid sample comprises a contact detection pad in communication with a reagent-free absorbent strip. The absorbent strip receives...
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6818450 |
Use of infrared spectroscopy for on-line process control and endpoint detection
The present invention is directed to an analytical method for measuring the concentration of an N-(phosphonomethyl)iminodiacetic acid (“NPMIDA”) substrate, an N-(phosphonomethyl)glycine pro...
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6800489 |
Electrospray tandem mass spectrometry of transition metal diimine complexes of amino acids, α-hydroxyketones and hexose phosphates for newborn screening
Tandem mass spectrometry (MS/MS) has been used extensively for solving various biological problems, such as structure identification of oligopeptides, nucleic acids, and nucleotides. One of the...
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