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| Number | Title | Issue Date |
| 8158437 | Luminescent detection of hydrazine and hydrazine derivatives The present invention generally relates to methods for modulating the optical properties of a luminescent polymer via interaction with a species (e.g., an analyte). In some cases, the present invention provides methods for determination of an analyte by monitoring a... | 04/17/2012 |
| 8048681 | Methods for nucleic acid isolation and instruments for nucleic acid isolation The present invention relates to a technique for efficient isolation of long nucleic acids and short nucleic acids from a sample containing long nucleic acids and short nucleic acids via safe and convenient operations. Specifically, long nucleic acids and short nucl... | 11/01/2011 |
| 7858378 | 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 derivative thereof: wherein R... | 12/28/2010 |
| 7833799 | 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 associated side groups are non-titratable and maintain their net zwitteri... | 11/16/2010 |
| 7736902 | Method for determination of absolute configuration of chiral compounds The present invention provides a simple, highly sensitive, and highly precise method for determining the absolute configuration of a chiral compound such as a diamine or an amino alcohol. The present invention is directed to a method for determining the absol... | 06/15/2010 |
| 7723118 | Compositions and methods for simultaneous detection of volatile sulfur compounds and polyamines Disclosed are compositions and methods useful for the rapid and facile simultaneous detection of malodorous bacterial metabolites in samples of expired breath and other fluids. The invention enables estimation, by simple visual inspection and comparison against stan... | 05/25/2010 |
| 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 derivative thereof: wherein R... | 10/27/2009 |
| 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 under mild conditions (i.e., in aqueous or organic solvents at neutral pH... | 09/22/2009 |
| 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 exists between the surfaces. A variable electrostatic potential permits ... | 09/16/2008 |
| 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) and (9), respectively; a se... | 03/11/2008 |
| 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 and/or control hemodialysis. In one embodiment, the system uses a lase... | 02/05/2008 |
| 7319038 | Sensor for monitoring an analyte A food spoilage sensor of the general formula wherein M is a transition metal ion; D1, D2, D3 and D4 can be the same or different and can be N or P; R1 and R... | 01/15/2008 |
| 7314752 | Secretion-monitoring article A secretion-monitoring article for identifying a secreted biological fluid. The article includes a body with an absorbent material for absorbing a biological fluid secreted from a person and an indicator system. The indicator system includes an indicator agent and a... | 01/01/2008 |
| 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 hydrazone internal standards is provided. Stable isotope labeled oxime i... | 12/18/2007 |
| 7232070 | Chemical/biological hazard trigger with automatic mail piece tagging system and method Apparatus and method for detecting and identifying hazardous material in a mail stream in which hazardous particulates or material in or on mail pieces in a mail stream are detected and the mail piece bearing the hazardous material is identified. A bar code applicat... | 06/19/2007 |
| 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 1-hydroxybenzotriazole-6-carboxylic acid is direct... | 06/12/2007 |
| 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 atmospheric pressure conditions and rapidly decompressing the item to the a... | 04/17/2007 |
| 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 Black T (EBT) and Calmagite, triethanolamine, a glycol compound, and ... | 04/10/2007 |
| 7188538 | Hazardous material detector for detecting hazardous material in a mailstream The invention disclosed herein relates generally to mailpieces and more particularly, a hazardous material detector for detecting hazardous material in a mail stream. The present invention is directed, in general to detector for collecting sample (s) of hazardous ma... | 03/13/2007 |
| 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 infrared adsorption techniques. ... | 03/13/2007 |
| 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 with the peptide. The result collected from the sensor is compared wi... | 03/06/2007 |
| 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, a value corresponding to a voltage is stored in a local memory assoc... | 12/19/2006 |
| 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 ammonia and provide for leak detection in storage vessels. The dye will ... | 12/12/2006 |
| 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 out by introducing the above achiral biaryl-type compound into the chir... | 10/24/2006 |
| 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 electrode of the array, the driven electrodes being driven at one of a p... | 09/05/2006 |
| 7074959 | Methods and systems for remediating hydrazine-contaminated equipment and/or surfaces Methods of and systems for remediating hydrazine spills, solutions and hydrazine-contaminated objects including areas thereof. Initially, an aqueous solution comprising a dicarbonyl-compound can be prepared. The aqueous solution can then be provided for application ... | 07/11/2006 |
| 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 gas therethrough, means for determining a flow rate of NOx reduced fro... | 06/27/2006 |
| 7062312 | Combination and method including a visual marker for determining compliance with a medication regimen A method and combination including a visual marker for monitoring a patient to determine compliance with a medication regimen. An orally administrable medication composition is provided in combination with a visual marker. When the combination is orally ingested, th... | 06/13/2006 |
| 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 derived from the amounts. For each diagnostic information desired, an inp... | 06/06/2006 |
| 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 electrode sites in the semiconductor substrate, wherein each electrode si... | 05/16/2006 |
| 7045098 | Apparatus and method for removing interfering substances from a urine sample using a chemical oxidant Urine samples are made free of potentially interfering substances, such as alkaloids or pharmaceuticals, by contacting the urine sample with an amount of a chemical oxidizing agent in a disposable oxidation bag, while retaining the physical indicia characteristic of... | 05/16/2006 |
| 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. ... | 04/11/2006 |
| 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 food, even when the food is frozen. Alternatively, the indicator compoun... | 03/21/2006 |
| 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 luminescence detection methods. The dyes are cyanine and cyanine-type... | 03/07/2006 |
| 6989275 | 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 luminescence detection methods. The dyes are cyanine and cyanine-type... | 01/24/2006 |
| 6977177 | Method for marking hydrocarbons with substituted anthraquinones A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon at least one substituted anthraquinone dye having formula (I) wherein R1 and R2 ... | 12/20/2005 |
| 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 assemblies, each with a calibrated airflow, are used to expose the fibers ... | 11/22/2005 |
| 6956032 | 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 luminescence detection methods. The dyes are cyanine and cyanine-type... | 10/18/2005 |
| 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; detecting acetic acid present in... | 10/04/2005 |
| 6921647 | Secretion-monitoring article A secretion-monitoring article for identifying a secreted biological fluid having a body with an absorbent material and least one pH determining member and a reagent associated with the absorbent material is disclosed. The article can be embodied as a swab, gauze, p... | 07/26/2005 |
