Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography
Patents for G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (41,194)
10/2003
10/30/2003US20030203501 Method for producing a fluorinated ester compound by means of gas chromatography
10/30/2003US20030203469 Efficient purification of adenovirus
10/30/2003US20030203397 Diagnosing cancer via screening and identifying aberrations/polymorphisms in nucleotide sequences of tumor marker genes in biopsied tissues
10/30/2003US20030203353 Methods, devices, and systems for monitoring time dependent reactions
10/30/2003US20030201390 Separation media, multiple electrospray nozzle system and method
10/30/2003US20030201230 Using a cross-flow filter; chromatography
10/30/2003US20030200796 Analytical devices based on diffusion boundary layer calibration and quantitative sorption
10/30/2003US20030200795 Apparatus for conducting high-temperature liquid chromatography analysis
10/30/2003US20030200794 Capillary column chromatography process and system
10/30/2003US20030200786 Monitoring impurities concentration of dielectrics; signal detecting gases effluents
10/30/2003CA2484102A1 Multi-element screening of trace elements
10/30/2003CA2484078A1 Quantitation of biological molecules
10/29/2003EP1356281A1 Rapid and quantitative proteome analysis and related methods
10/29/2003EP1355858A2 Method for orthogonal analyte stacking/injection systems in electrophoresis
10/29/2003EP1355710A1 Devices and methods for purification
10/29/2003EP1355709A1 Multi column chromatography system
10/29/2003EP1113867B1 Fluid distributor-mixer-extractor and related method
10/29/2003EP1105517B1 Rapid quantitative analysis of proteins or protein function in complex mixtures
10/29/2003EP0796403B1 Functionalized nanotubes
10/29/2003CN2583672Y High speed counterflow chromatograph
10/29/2003CN1452514A Assay device
10/29/2003CN1451961A Calixarene bonded silica gel immobile phase preparing process
10/28/2003US6639216 Orthogonal ion sampling for APCI mass spectrometry
10/28/2003US6638346 Vaporization injector
10/28/2003US6637263 Flow divider
10/23/2003WO2003088294A2 Mass spectrometer autosampler
10/23/2003WO2003087808A1 Optical isomer separation packing for simulated moving bed chromatography
10/23/2003WO2003087807A1 Method and apparatus for counterconcurrent chromatography
10/23/2003WO2003087773A2 Multiplexed capillary electrophoresis systems
10/23/2003WO2003087772A2 Method for detecting low concentrations of a target bacterium that uses phages to infect target bacterial cells
10/23/2003WO2003087756A2 Chemical analysis of samples
10/23/2003WO2003087206A2 Patterned polymeric structures, particularly microstructures, and methods for making same
10/23/2003WO2003086639A2 Centrifuge
10/23/2003WO2003086431A1 Virally infected plants as a source of insect reppelants/attractents
10/23/2003WO2002028507A3 Electronic detection of interaction based on the interruption of flow
10/23/2003US20030199016 Incubating the sample with a protease capable of cleaving theArg275-Ile276 bond of human wild-type tPA (plasmogen activator) and then with denaturing/reducing agents to reduce the disulfide bonds of tPA, performing reverse phase HPLC
10/23/2003US20030199015 Reacting a sample obtained from a patient with a thiopurine derivative free of 6-mercaptopurine, contacting with perchloric acid, precipitating proteinaceous material from the sample, separating, detecting methylated purine product
10/23/2003US20030196958 Polar silanes and their use on silica supports
10/23/2003DE10219790C1 Sample handling device, for chromatograph, comprises moving arm for holder moving between hanging position on receiver opposite arm and position on arm
10/23/2003CA2482338A1 Multiplexed capillary electrophoresis systems
10/22/2003EP1354206A2 Standard diluent for multiplex assays
10/22/2003EP1354203A2 Biomarkers of transitional cell carcinoma of the bladder
10/22/2003EP1353741A2 Methods and apparatus for separating and detecting specific polyhalogenated diaromatic hydrocarbons
10/22/2003CN1450349A Quick petroleum hydrocarbon distribution analysis instrument
10/22/2003CN1449761A Medicine for relieving spasm and pain and preparation process thereof
10/22/2003CN1125343C Neutrality for polycation used in chromatographic apparatus of whole blood
10/22/2003CN1125336C Prepn of efficient liquid-phase chromatographic amide bonded stationary phase
10/22/2003CN1125185C Method for quickly detecting CpG cytosine methylation
10/21/2003US6635429 Incubating a cell containing sequence linked to a DNA response element with an agent to determine its capability of transactivating the sequence; retinoic acid, thyroid, retinoid X
10/21/2003US6635226 Device having substrate of non-silicon based materials, with cavity serving as reaction zone in fluid communication with microchannels, cover plate defining reaction chamber, ports defining fluid flow path, and surface containing polyether
10/21/2003US6635201 Cast membrane structures for sample preparation
10/21/2003US6635173 Multi column chromatography system
10/21/2003US6635163 Entropic trapping and sieving of molecules
10/21/2003US6634211 Method translation in gas chromatography
10/16/2003WO2003085395A1 Automatic sample collector
10/16/2003WO2003085109A2 Method and apparatus for extracting nucleic acids from a complex mixture
10/16/2003WO2003084986A2 Novel purified polypeptides involved in cellular metabolism
10/16/2003WO2003084945A1 An antispastic, analgetic pharmaceutical composition and the preparation method thereof as well as the quality control technique therefor
10/16/2003WO2003084869A2 Method for separating single-wall carbon nanotubes and compositions thereof
10/16/2003WO2003067249A3 Capillary column chromatography process and system
10/16/2003WO2003059822A3 Chromatogtraphy apparatus and electrolytic method for purifying an aqueous stream containing a contaminant iom
10/16/2003WO2003054549A3 Method of mass spectrometry
10/16/2003WO2003021251A9 Methods for characterization of polymers using multi-dimentional liquid chromatography
10/16/2003WO2002101355A9 Improved proteomic analysis
10/16/2003WO2002068452A3 Method of isolating charged compounds, especially peptides and proteins
10/16/2003WO2002013228A3 Method and system for identifying and quantifying chemical components of a mixture
10/16/2003US20030194814 Positing a piston within the tube, between the tube and chromatographic medium, secured with threaded member; analysis apparatus; improve performance
10/16/2003US20030194755 Early detection of apoptotic events and apoptosis using optophoretic analysis
10/16/2003US20030192829 Filler for separation of enantiomeric isomers in simulated moving bed chromatography
10/15/2003EP1352235A2 Mobile phase dilution scheme for enhanced chromatography
10/15/2003EP1352097A1 A method and test kit for quantitative determination of variations in polynucleotide amounts in cell or tissue samples
10/15/2003EP1351698A2 Herbal composition for angina pectoris, method to prepare same and uses thereof
10/15/2003EP1131383B1 Composite material and its use
10/15/2003EP0935813B1 Ion source for a mass analyser and method of cleaning an ion source
10/15/2003EP0703450B1 Gas chromatographic analysis of fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether
10/15/2003CN1449416A Functionalized polymeric media for separation of analytes
10/15/2003CN1124486C Quantitative analysis device for oil bearing component generated through rock pyrolysis
10/15/2003CN1124167C Integrated monolithic microfabricated electrospray and liquid chromatography system and method
10/14/2003US6633031 A droplet/electrospray device and a liquid chromatography-electrospray system are disclosed. The droplet/electrospray device comprises a substrate defining a channel between an entrance orifice on an injection surface and an exit orifice
10/14/2003US6632652 Comprising a receptacle, upstanding structures configured to separate the macromolecules as they flow through and a removable cover; elastomers; used to separate viruses, cells, and minute particles
10/14/2003US6632460 Treating angina pectoris, reducing the usage of nitroglycerin
10/14/2003US6632353 Rapid sample collection in supercritical fluid chromatography
10/14/2003US6632268 Method and apparatus for comprehensive two-dimensional gas chromatography
10/09/2003WO2003083468A2 Analyzer for automatic rapid analysis of the acetadehyde content of pet products, particularly preforms, and its operative process
10/09/2003WO2003083467A2 Gas chromatograph and method for analysing a mixture of substances by gas chromatography
10/09/2003WO2003083444A1 Multi-chambered pump-valve device
10/09/2003WO2003083433A2 Method for analysing a gas sample and apparatus therefor
10/09/2003WO2003082429A2 Liquid-liquid separation
10/09/2003WO2003082428A1 A chromatography system for automatically separating different compounds in a sample
10/09/2003WO2003082427A1 Method and apparatus for measuring velocity of chromatographic pulse
10/09/2003WO2003060508A3 Method and device for vaporization injection of high volumes in gas chromatographic analysis
10/09/2003WO2002099413A3 Device for dosing and evaporating small quantities of a liquid
10/09/2003WO2002077016A3 Methods and apparatus for gel-free qualitative and quantitative proteome analysis, and uses therefore
10/09/2003US20030190757 Column configured such that the inside of a narrow tube is provided with a porous body having open pore structures
10/09/2003US20030190756 Fractionation of extracts with liquid chromatography; loading a pretreated plastic slide and conducting hybridization and signal detection for presence of biologically active ingredients; ginseng that binds to tumor necrosis factor
10/09/2003US20030190608 For nucleic acid hybridization assays
10/09/2003US20030190265 Very small chemical device and flow rate adjusting method therefor
10/09/2003US20030189167 Integrated monolithic microfabricated dispensing nozzle and liquid chromatography-electrospray system and method
10/09/2003US20030189001 Open capillary column and manufacturing method thereof
10/09/2003US20030188587 Sampling system for a separation channel
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