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| Number | Title | Issue Date |
| 8178354 | Chemical sensors comprising fluorescent conjugated polymers as sensitive materials, and their use in the detection or assaying of nitro compounds The invention relates to chemical sensors comprising fluorescent conjugated polymers as sensitive materials and to their use in detecting or assaying nitro compounds, in particular nitroaromatic compounds. Fields of application: detection of explosives, monitoring a... | 05/15/2012 |
| 8137979 | Preconcentrator device Improved preconcentrators, particularly MEMs scale preconcentrators which possess a coating comprising polymers of intrinsic microporosity (PIMs). There is further provided devices comprising the preconcentrator, and methods of preparation and use. There is particul... | 03/20/2012 |
| 8137980 | On-board control for analytical elements The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detec... | 03/20/2012 |
| 8053243 | Detection of nitrosylated proteins The present invention, in some aspects, relates to systems and methods for determining oxidized proteins, including nitrosylated proteins such as S-nitrosylated proteins. The systems and methods of the invention can be used in vitro (e.g., in cell or tissue culture)... | 11/08/2011 |
| 8034302 | Transparent conducting composites (TTCs) for creating chemically active surfaces Disclosed are chemically active surfaces for the detection of nitroaromatic, nitramine, and nitrate ester compounds, the primary constituents of explosive devices. Transparent conductive composites (TCCs) combine with gold nanoparticles in a conducting polymer matri... | 10/11/2011 |
| 7947507 | Analysis of sulfated polysaccharides The invention relates to methods and products associated with analyzing and monitoring heterogeneous populations of sulfated polysaccharides. In particular therapeutic heparin products including low molecular weight heparin products and methods of analyzing and moni... | 05/24/2011 |
| 7781220 | 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. ... | 08/24/2010 |
| 7666684 | Determination of explosives including RDX The present invention provides sensors and methods for determination of an analyte. The analytes may be determined by monitoring, for example, a change in an optical signal of an emissive material upon exposure to an analyte. In some embodiments, the analyte and the... | 02/23/2010 |
| 7442553 | Method for determining the amount of the maleimidyl groups of a particle A method for quantitatively determining the amount of maleimidyl groups on a polymer fine particle containing at least maleimidyl groups, by allowing a fluorescent material having an SH group to react with the maleimidyl groups and determining the amount of maleimid... | 10/28/2008 |
| 7442555 | Ammonia gas sensor method and device A mixed potential sensor device and methods for measuring total ammonia (NH3) concentration in a gas is provided. The gas is first partitioned into two streams directed into two sensing chambers. Each gas stream is conditioned by a specific catalyst syste... | 10/28/2008 |
| 7427378 | Analysis method and apparatus for sulfur component using ultraviolet fluorescence An analysis method and analysis apparatus involve analysis for a sulfur component using ultraviolet fluorescence capable of removing the interferential influence of NO with good efficiency and certainty to thereby measure a concentration of only sulfur components su... | 09/23/2008 |
| 7419834 | System for detection of nitrosylated proteins The present invention describes a novel, simplified method for detecting and monitoring whether the presence of nitrosylated proteins, such as S-nitrosoproteins, in a biological sample using fluorescence detection. The present invention further describes a method wh... | 09/02/2008 |
| 7416703 | Polymer based lanthanide luminescent sensors for the detection of organophosphorus compounds A device for measuring and detecting the organophosphonis compounds, such as a pesticides or a nerve agents is provided. The devices function by selectively binding an organophosphorous compound to a luminescent functionality-imprinted copolymer. The copolymers poss... | 08/26/2008 |
| 7378283 | Reaction monitoring of chiral molecules using fourier transform infrared vibrational circular dichroism spectroscopy A method and apparatus to monitor the enantiomeric excess of chiral molecules participating in a chemical reaction. The method includes real time monitoring of the chemical reaction by obtaining a VCD spectra and an IR spectra of the chemical compounds in the reacti... | 05/27/2008 |
| 7374946 | Method for the detection of compounds comprising methylenedioxyphenyl Process and a test kit for the detection of drugs of methylenedioxy amphetamine family and derivatives, are disclosed. The process comprises (a) sampling sufficient amount of a material, suspected to be examined comprise of said methylenedioxyphenyl group; (b) admix... | 05/20/2008 |
| 7371215 | Endoscopic instrument for engaging a device A device, system and method for diagnosing and treating a patient is provided where a functional device is attached to a stomach wall. The device in one embodiment provides electrical stimulation of the stomach wall. The device may also have other functional aspects... | 05/13/2008 |
| 7371829 | Haptens, immunogens, antibodies and conjugates to ketamine and its metabolites The invention provides haptens, immunogens comprising such haptens coupled to an antigenicity-conferring carrier material, conjugates comprising such haptens bonded to a labelling agent as well as, antibodies raised against such immunogens and capable of binding wit... | 05/13/2008 |
| 7368512 | Detection and functionalization of dendrimers A method of detecting unreacted termini within a dendritic structure is achieved by exposing a dendrimer to a single generating compound capable of bonding to and tagging a deprotected but uncoupled termini. A signal generated by the signal generating compound to an... | 05/06/2008 |
| 7367216 | Phased micro analyzer V, VI A micro fluid analyzer having a concentrator and two or more separators. The analyzer may have one, two or more pumps. The analyzer may have a hyper pre-concentrator having a number of channels. There are numerous detectors positioned along the flow path of the anal... | 05/06/2008 |
| 7337616 | System for sampling cryogenic liquids, and air separation unit provided with at least one such system A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the compressed air. The liquid passes through the vaporizer generally downward... | 03/04/2008 |
| 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 |
| 7323343 | Nitrogen monoxide, nitrogen dioxide and ozone determination in air An analytical system is provided for determining nitrogen monoxide, nitrogen dioxide and ozone concentrations in air samples. An ultraviolet light source 4 is used to alter the equilibrium between nitrogen dioxide and oxygen on the one hand and nitrogen monox... | 01/29/2008 |
| 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 |
| 7306953 | Detection of disease by analysis of emissions A method of determining the cause of disease is described, which method uses the detection of “signature” or “fingerprint” volatile compounds in an emission, especially flatus, from a patient. ... | 12/11/2007 |
| 7291503 | Reversible resistivity-based sensors One aspect of the present invention relates to a method for detecting the presence of an analyte by comparing the conductivity of a mixture containing an analyte and a sensor to the conductivity of the sensor in the absence of analyte. In certain embodiments, the se... | 11/06/2007 |
| 7265369 | Method and system for detecting chemical substance A chemical detecting apparatus includes a substrate 10 for chemicals in gas-to-be-monitored to be adsorbed to, a substrate adsorption rate improving means 12 which enhances the adsorption of the chemical in the gas-to-be-monitored to the substrate, an ... | 09/04/2007 |
| 7264777 | Measurement of surface areas by polyvinylpyrrolidone sorption A method of quantitatively determining surface area of a sample uses polyvinylpyrrolidone (PVP) dispersed in a solution containing the sample, and determining the amount of PVP that has deposited on the sample. ... | 09/04/2007 |
| 7262188 | Phenyl sulfone derivatives and their use in the treatment of CNS disorders This invention relates to novel phenyl sulfone compounds having pharmacological activity, processes for their preparation, to compositions containing them and to their use in the treatment of CNS and other disorders. ... | 08/28/2007 |
| 7255836 | Analytical sensitivity enhancement by catalytic transformation A device and method for quantifying an impurity in an input gas stream. The device and method employ a catalyst to convert the impurity to a detectable species in an output gas stream, and the concentration of the detectable species is then measured by means of a de... | 08/14/2007 |
| 7253002 | Fluid storage and dispensing vessels having colorimetrically verifiable leak-tightness, and method of making same A chemical storage and dispensing vessel having associated therewith a colorimetric member that is effective to change color in exposure to leakage of a gas contained in the vessel. The colorimetric member may be constituted by a film, e.g., of a shrink-wrap charact... | 08/07/2007 |
| 7241622 | Method for high throughput screening of antioxidants at near ambient temperatures A method was developed for the screening of antioxidant efficacy in food and feed matrices. The novel method uses radical initiators to accelerate the oxidation process. Consequently the screening of the oxidation process can be performed at significantly lower temp... | 07/10/2007 |
| 7239766 | Optical sensing elements for nitrogen dioxide (NO) gas detection, a sol-gel method for making the sensing elements and fiber optic sensors incorporating nitrogen dioxide gas optical sensing elements A sensing element, a method of making a sensing element, and a fiber optic sensor incorporating the sensing element are described. The sensor can be used for the quantitative detection of NO2 in a mixture of gases. The sensing element can be made by incor... | 07/03/2007 |
| 7223606 | Methods of detecting nitrotyrosine and aminotyrosine residues of peptides and proteins Methods and compositions are disclosed for quantifying and/or identifying a nitroderivative compound, or a residue thereof, and are applicable for assessing in vivo nitrative stress and for aiding in diagnosis of mammalian pathologies such as asthma, atherosclerosis... | 05/29/2007 |
| 7211793 | Mass spectrometry system and method Mass spectrometry system for analyzing components of a gas. In accordance with one embodiment, the system includes a mass spectrometer adapted to analyze components of the gas, and an inlet capillary fluidically connected to the mass spectrometer to convey a sample ... | 05/01/2007 |
| 7209605 | Packaged optical sensors on the side of optical fibers The present invention concerns an optical sensor located on a preferred azimuthal portion of the side of an optical fiber. An optical fiber having two opposite ends, a core and a cladding and at least one sensing area is disclosed. Each of the sensing areas is locat... | 04/24/2007 |
| 7192781 | Methods for stabilizing 5-azacytidine in plasma The invention provides methods for stabilizing 5-azacytidine against hydrolysis in plasma. By extracting the 5-azacytidine into acetonitrile and zinc sulfate, the 5-azacytidine can be stored for at least about 3 hours at about room temperature, and for at least abou... | 03/20/2007 |
| 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 |
| 7186379 | Continuous real-time measurement of aqueous cyanide This invention provides a method and system capable of the continuous, real-time measurement of low concentrations of aqueous free cyanide (CN) using an on-line, flow through system. The system is based on the selective reactivity of cyanide anions and the character... | 03/06/2007 |
| 7183108 | Selection and uses of lactic acid bacteria strains modulating non-specific immunity The invention concerns lactic acid bacteria strains capable of regulating the production of NO and inflammatory cytokines by enterocytes, depending on the inflammatory condition of said enterocytes. The strains can also be incorporated in food supplements such as fe... | 02/27/2007 |
| 7157052 | Linear chemoselective carbosilane polymers and methods for use in analytical and purification applications This invention relates generally to a new class of chemoselective polymer materials. In particular, the invention relates to linear polycarbosilane compounds for use in various analytical applications involving sorbent polymer materials, including chromatoghraphy, c... | 01/02/2007 |
