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7619053 |
Monomer solution for producing polycarbonate
A non-reactive monomer mixture has a monomer component dispersed in a melted diaryl carbonate. The monomer component has one or more monomer compounds having a melting point below the melting point...
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7611863 |
Selective staining of biomembranes using voltage-sensitive dyes
The present invention relates to a method for staining membranes, in particular, a method for selective staining of cells using voltage-sensitive dyes.
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7608459 |
Method for the determination of body odor
A method for determining potential for body odor and a method for determining the effectiveness of a deodorant carried out by detecting a substance represented by the following formula (1) or a...
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7601794 |
Monomer solution for producing polycarbonate
A non-reactive monomer mixture is formed from a dihydroxy component having one or more dihydroxy compounds dissolved in a melted diaryl carbonate. The dihydroxy component has less than 600 ppb...
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7592183 |
Amine detection method and materials
Compounds linked to a solid support through a divalent linker moiety are disclosed. In particular, compounds such as 1-hydroxybenzotriazole-6-carboxylic acid are directly linked to the support...
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7592184 |
Ammonia detection and measurement device
There is disclosed an apparatus and method for detecting and measuring volatile acidic or basic components including ammonia, ammonium, or volatile amines (compound) in a gas or liquid state fluid....
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7585680 |
Method and device for monitoring medication usage
The present invention provides methods for detecting and quantifying metabolites in a biological sample by measuring the concentration of a test metabolite in the sample and comparing that...
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7582260 |
Zwitterionic dyes for labeling in proteomic and other biological analyses
The invention relates to compositions and methods useful in the labeling and identification of proteins. The invention provides for highly soluble zwitterionic dye molecules where the dyes and...
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7553450 |
Irreversible humidity exposure dose indicator device
An irreversible humidity exposure dose indicator device, including a housing sealed at a first end thereof and adapted at a second end thereof to admit ambient gas ingress into an interior volume...
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7538188 |
Method for fabricating an olfactory receptor-based biosensor
A biosensor, a method of making a biosensor, and a method of using a biosensor are described. A biosensor includes a transducer and a peptide encoding the most probable binding domain of an...
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7514264 |
Method for estimating the sulfur content in the fuel of an internal combustion engine
A method for estimating the sulfur content in the fuel of an internal combustion engine equipped with a catalyser, using a current sulfur concentration value (S old ) and a correction of said...
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7425453 |
Integrated circuit porphyrin-based optical Fabry-Perot chemical sensor
A Fabry-Perot cavity has a pair of partially transmissive, partially reflective, surfaces. A first of the surfaces is flexibly suspended adjacent and parallel to a second of the surfaces. A gap...
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7341694 |
Ammonia sensor
In an ammonia sensor ( 1 ), lead portions ( 7 ) and ( 9 ) are provided on an insulating substrate ( 5 ); a pair of comb-shaped electrodes ( 11 ) and ( 13 ) are connected to the lead portions ( 7 )...
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7326576 |
Raman spectroscopic monitoring of hemodialysis
Spectroscopic systems and methods are disclosed for determining levels of at least one analyte in blood undergoing hemodialysis. In one aspect, the invention employs Raman spectroscopy to monitor...
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7319038 |
Sensor for monitoring an analyte
A food spoilage sensor of the general formula
wherein M is a transition metal ion; D 1 , D 2 , D 3 and D 4 can be the same or different and can be N or P; R 1 and R 2 , R 3 and R 4 , R 5 ...
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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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7229835 |
Amine detection method and materials
A compound linked to a solid support (R) through a divalent linker moiety (X) and which is represented by the following formula:
is disclosed. In particular, the...
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7204125 |
Pressure activated sampling system
Screening of items for the presence of contaminants, such as explosives residue, is accomplished by subjecting an item loaded into a pressure chamber to a pressure substantially in excess of...
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7202090 |
Hardness measurement reagent
To provide a hardness measurement reagent unaffected by an M alkalinity in hardness measurement. A hardness measurement reagent as a one-solution type reagent includes a dye chosen from Eriochrome...
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7189574 |
Measurement of nitrogen content in a gas mixture by transforming the nitrogen into a substance detectable with nondispersive infrared detection
A method of determining the amount of nitrogen in a gas mixture. The constituent gases of the mixture are dissociated and transformed to create a substance that may measured using nondispersive...
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7186799 |
Peptide and amine examination method using the same
A peptide for detecting amine, and a method and apparatus for detecting amines using the peptide. The method comprises the application of a sensor to examine a sample, wherein the sensor is coated...
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7150997 |
Multiplexed active biologic array
A method of addressing and driving an electrode array includes the step of addressing one or more electrodes within the array using a plurality of row and column lines. In one aspect of the method,...
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7148066 |
Dye solutions for use in methods to detect the prior evaporation of anhydrous ammonia and the production of illict drugs
Systems and methods providing for the introduction of a dye, particularly a xanthene dye, and more particularly a rhodamine dye, to liquid anhydrous ammonia to discourage theft of the anhydrous...
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7125725 |
Biaryl-type compounds, CD color fixing agent and method for determination of absolute configuration
A novel achiral biaryl-type compound and a circular dichroism(CD) color fixing agent are provided. Furthermore, a method for determining an absolute configuration of a chiral compound is carried...
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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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7067319 |
System for diagnosing reagent solution quality and emissions catalyst degradation
A system for determining a reagent solution quality indicator includes a reagent solution source for supplying the reagent solution to an emissions catalyst configured to receive a NOx-containing...
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7056745 |
Diagnostic method and apparatus
Diagnostic method, based on the amounts of biogenic amines that are contained in a body fluid or other sample. A number of measured parameters related to the desired diagnostic information are...
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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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7026166 |
Fluorogenic dyes
The present invention relates to the use of fluorogenic or chromogenic dyes as reporter molecules for detecting cell entry by a specific molecule.
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7014816 |
Food quality indicator device
A food quality indicator device an indicator compound provided on a substrate. The indicator compound changes color due to the presence of volatile compounds, such as volatile bases, in spoiled...
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7008798 |
Cyanine dyes as labeling reagents for detection of biological and other materials by luminescence methods
The present invention pertains to luminescent dyes and methods for covalently attaching the dyes to a component or mixture of components so that the components may be detected and/or quantified by...
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6967103 |
Apparatus and methods for detecting explosives and other substances
An explosive detector that utilizes an array of molecularly imprinted polymer (MIP) coated, bifurcated fiber optic cables to form an image of a target molecule source. Individual sensor fiber...
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6951759 |
Detection of bacterial vaginosis
There is disclosed a method for detecting the presence of bacterial vaginosis in a female subject comprising the steps of:
obtaining a sample from the vaginal region of the subject;...
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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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6867048 |
Multiplexed active biologic array
A method of addressing and driving an electrode array includes the step of addressing one or more electrodes within the array using a plurality of row and column lines. In one aspect of the method,...
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6861262 |
Composition and method for detecting an adulterant in an aqueous sample
It is discovered that a composition comprising at least one amine and at least one stabilizer may be useful in detecting the presence of an adulterant in a urine sample. Such adulterant includes an...
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6855557 |
Detection of base contaminants in gas samples
A detection system for detecting contaminant gases includes a converter, a detector, a primary channel for delivering a target gas sample through the converter to the detector, and at least two...
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6773926 |
Nanoparticle-based sensors for detecting analytes in fluids
Sensors, sensor arrays and sensing methods provide for detection of a chemical analyte in a fluid. Sensors include a plurality of conductive and nonconductive regions in contact with a measuring...
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6727098 |
Biaryl-type compounds, CD color fixing agent and method for determination of absolute configuration
A novel achiral biaryl-type compound and a circular dichroism (CD) color fixing agent are provided. Furthermore, a method for determining an absolute configuration of a chiral compound is carried...
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6682936 |
Addressable biologic electrode array
A biologic electrode array assembly is formed on an integrated circuit chip that includes an array of electrodes. At least one metal oxide semiconductor (MOS) switch is coupled to at least one of...
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6680204 |
Polymer for binding amine containing ligands and uses thereof
Reaction of a dialdehyde, particularly phthaldialdehyde (I), with R—Z where Z is a nucleophilic group (preferably SH) and R is polymerisable (e.g. allyl) gives a reactive thioacetal (V) which can...
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6627455 |
Use of fluorescent dyes for surface analysis
Fluorescent dyes bearing at least one reactive group capable of reaction with nucleophilic groups are used for the qualitative and, if desired, quantitative fluorescence-analytical determination of...
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6608178 |
5-hydroxytryptophol (5-HTOL) derivatives, antibodies, immunoassays and detection of recent alcohol consumption
Antibody specific for a 5-HTOL compound. A glucuronide with 5-hydroxytryptophol (5-HTOL) characterized in that it comprises the structure of the β-glucuronide between the 5-hydroxy group of 5-HTOL...
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6537821 |
Method and apparatus for detecting, measuring, and/or removing chlorine gas contamination in gaseous chlorine dioxide
Method and apparatus for detecting the presence of or removing chlorine in a gaseous product stream from a chlorine dioxide generator by mixing gaseous ammonia or ammonia vapors with the product...
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6524846 |
Biological toxin detection system for mailed materials
Envelopes and other containers intended for mail transportation possess a biological agent/toxin indicator operative upon the interior in detection of volatile bases including gaseous amines...
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6503726 |
Chromogenic substrate to detect urine adulteration
A device and method to detect oxidant adulterants added to a sample to prevent detection of tetrahydrocannabinol and/or tetrahydrocannabinol metabolites. The device and method detect popularly...
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6451607 |
External dried-reagent control for analytical test devices
A control device serving as a source of control reagent for a solid-phase analytical test device is disclosed. The analytical test device analyzes a biological sample for the presence of an analyte...
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6432717 |
Stabilized test composition, device and method for the determination of cyanuric acid in water
A test reagent composition and device are provided for determination of cyanuric acid in water, said composition including melamine, a pH indicator that changes color due to the reaction of...
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