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)
12/2003
12/11/2003US20030228259 Measurement of biosynthesis and breakdown rates of biological molecules that are inaccessible or not easily accessible to direct sampling, non-invasively, by label incorporation into metabolic derivatives and catabolitic products
12/11/2003US20030226806 Methods and devices for liquid extraction
12/11/2003US20030226755 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis
12/11/2003US20030226754 Analyte species separation system
12/11/2003US20030226753 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis
12/11/2003US20030226394 Process and apparatus for providing gas for isotopic ratio analysis
12/11/2003CA2487944A1 Biomolecular kinetics method using a flow-through microarray
12/11/2003CA2486911A1 Method of screening groups of radioactive molecules and applications thereof
12/11/2003CA2486676A1 Polyol-modified silanes as precursors for silica
12/11/2003CA2478925A1 Non-affinity purification of proteins
12/10/2003EP1369690A1 Immobilised G-protein coupled receptors on an artificial lipid membrane of a liquid chromatography stationary phase and use thereof for screening
12/10/2003EP1369680A1 Method of determining concentration profiles using Infrared profiles and HPLC data
12/10/2003EP1369174A1 Carrier for chromatography, carrier for pre-treatment and kit for preparing the same
12/10/2003EP1368370A2 Method of isolating charged compounds, especially peptides and proteins
12/10/2003EP0990153B1 Jacket for monolithic sorbents
12/10/2003EP0842429B1 Method for characterization of the fine structure of protein binding sites
12/10/2003EP0777887B1 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
12/10/2003EP0717839B1 A high efficiency fluorescence flow cell
12/10/2003CN1460860A Vehicle-mounted transformer chromatographic in-lin monitoring equipment
12/10/2003CN1460854A Analysis method of residual monomer acrylamide content in medical polyacrylamide aqueous gel
12/10/2003CN1460510A Chinese patent medicine with the functions of replenishing qi and blood and nourishing the heart to calm the mind, its preparation method and quality control method
12/10/2003CN1460509A Chinese patent medicine for curing cardiovascular disease, its preparation method and quality control method
12/09/2003US6661241 Temperature control for conductive member
12/09/2003US6660999 Helium droplet mass spectrometry (HDMS)
12/09/2003US6660149 Multichannel microscale system for high throughput preparative separation with comprehensive collection and analysis
12/09/2003CA2193085C Composite membranes for solid phase extractions and reactions
12/09/2003CA2081085C Process for separating from one another the non-functional, monofunctional and bifunctional species contained in the perfluoropolyoxyalkylenes
12/05/2003CA2412556A1 Immobilized g-protein coupled receptors on liquid chromatography stationary phases and use thereof for on-line screening
12/04/2003WO2003099438A1 Apparatus and method for trapping bead based reagents within microfluidic analysis systems
12/04/2003WO2003099411A1 Methods and devices utilizing adsorption of chiral molecules at a surface or interface
12/04/2003WO2003099407A2 Method for transferring heterogeneous liquids in microchannels without the occurrence of mixing
12/04/2003WO2003083468A3 Analyzer for automatic rapid analysis of the acetadehyde content of pet products, particularly preforms, and its operative process
12/04/2003WO2003074526A3 Method and system for separation and purification of at least one narcotic alkaloid using reverse phase preparative chromatography
12/04/2003WO2003064460A8 Two gonadotropin releasing hormones and a method to isolate the same
12/04/2003WO2003062867A3 Methods and apparatus for generating and utilizing linear moving optical gradients
12/04/2003US20030225261 Methods and compositions for mutation analysis of polynucleotides by liquid chromatography
12/04/2003US20030224531 Miniaturized apparatus for conducting chemical processes such as mass spectroscopy, drug screening and diagnostics, separations and chemical and biochemical synthesis
12/04/2003US20030224389 Concurrently separating double and single stranded polynucleotide sequences present in mixture via absorption of nucleic acids to mineral support; in vitro transcription
12/04/2003US20030224346 Determining molecular weight distribution of anionic polysaccharides such as chondroitin sulfate, keratan sulfate, dermatan sulfate, heparin sulfate and/or heparan sulfate
12/04/2003US20030224133 Packing material for chromatography, packing material for pre-treatment and kit for preparing the same
12/04/2003US20030224073 Cinnamomi and poria composition, method to prepare same and uses thereof
12/04/2003US20030223913 A pressure-driven microfluidic device for separating chemical or biological species from a sample provides on-column sample injection from a sample loading segment, with mobile phase solvent supplied to both the separation column and the sample
12/04/2003US20030222024 Chromatography method and device with recovery of solvent
12/04/2003US20030222007 Automated introduction of small sample volumes into high pressure liquid chromatography system
12/04/2003US20030222004 Chromatography system for automatically separating different compounds in a sample
12/04/2003CA2771788A1 Manipulation of the rate of gastrointestinal transit by modulating intestinal methane concentration
12/03/2003EP1366817A2 System for generating a high purity eluant by electrolysis of water
12/03/2003EP1366506A1 Apparatus and method for dispensing a sample
12/03/2003EP1366358A1 Chromatography device
12/03/2003EP1366357A2 Gas chromatograph injection valve
12/03/2003EP1365855A2 Ultrasonic transducing probe with liquid flow-through capability and related automated workstation and methods of using same
12/03/2003CN1460036A Very small chemical device and flow rate adjusting method thereof
12/03/2003CN1459631A Novel method for determining herb medicine quality
12/03/2003CN1129590C Reference compound for use in analysis of levosimendan batches
12/03/2003CA2430859A1 Packing material for chromatography, packing material for pre-treatment and kit for preparing the same
12/02/2003US6656739 Monitoring receptors for receptivity to preferential ligands; provide ligands, apply to supprt, wash with effluent, monitor in mass spectrometer, evaluate specrtum analysis
12/02/2003US6656358 Method for the chromatographic isolation of vitamin E isomers
12/02/2003US6656354 Apparatus and method for preparative supercritical fluid chromatography
12/02/2003US6655197 Automatic transmission fluid characteristic monitoring system employed for repair/maintenance and during operation of a land motor vehicle
11/2003
11/27/2003WO2003098208A1 Molecular topological frationation of macromolecules
11/27/2003WO2003098046A1 Pump system for pumping liquefied gases
11/27/2003WO2003097229A1 Microreactor, method for preparing same, and method for producing a biochemical or biological reaction
11/27/2003WO2003097208A1 Equipment and method for sequential chromatographic simulated moving bed separation
11/27/2003WO2003027669A3 Method for producing a normalized gene library from nucleic acid extracts of soil samples and the use thereof
11/27/2003WO2003026793A3 Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof
11/27/2003WO2003021274A3 Method for separating macromolecules having been chemically modified in a reversible manner
11/27/2003WO2002083932A3 Enzymatic degradation chains
11/27/2003WO2001058926A3 Protein mapping
11/27/2003US20030220232 Peptide with the sequence Gln-Tyr-Asn-Ala-Asp and derivatives differing from the original sequence by the addition, substitution, inversion, insertin, deletion or modification of one or more amino acids; sodium ion channel binder
11/27/2003US20030219905 Preparing sample for analysis, by breaking down protein in sample with enzyme solution to form peptides; purification
11/27/2003US20030219812 Methods and devices for obtaining and assaying mammary fluid samples for evaluating breast diseases, including cancer
11/27/2003US20030217973 Sample dissolving in solution; drawing liquid into module bycapillary action
11/27/2003US20030217970 Method for fractionating liquid mixtures
11/27/2003US20030217923 Apparatus and method for trapping bead based reagents within microfluidic analysis systems
11/26/2003EP1365237A1 Method and apparatus for evaluation of cell or particle adhesion
11/26/2003EP1364208A2 Conjugates of defined stoichiometry
11/26/2003EP1363937A2 Immunomodulating agents from parasitic worms and method for isolation thereof
11/26/2003EP1363714A1 A microchip electrospray device and column with affinity adsorbents and use of the same
11/26/2003CN1458524A Sample gas pretreating system
11/26/2003CN1458163A Oriental waterplantain rhizome sterol extract and its preparing method and quality control method
11/25/2003US6653626 Ion sampling for APPI mass spectrometry
11/25/2003US6653625 Microfluidic system (MS)
11/25/2003US6653624 Mass spectrograph
11/25/2003US6653501 Using chromatographic process for separating a target chiral compound from its enantiomer in a racemic mixtures; purification
11/25/2003US6653144 Method and an apparatus for analyzing trace impurities in gases
11/25/2003US6653143 Flash combustion in oxygen environment combustion reactor; oxygen flow determined using algorithm
11/25/2003US6653138 Apparatus and method of research for creating and testing novel catalysts, reactions and polymers
11/25/2003US6653076 Stable isotope metabolic labeling for analysis of biopolymers
11/25/2003US6652754 Rapidly reaching fixed set values for efficiently purifying extracted constituents
11/25/2003US6652753 Apparatus and method for preparative supercritical fluid chromatography
11/25/2003US6652746 Preparatory scale liquid system; accurate, efficient high purity collection
11/25/2003US6652625 Analyte pre-concentrator for gas chromatography
11/25/2003CA2193885C Iontophoretic sampling device and method
11/24/2003CA2387443A1 Improved apparatus and method for trapping bead based reagents within microfluidic analysis systems
11/20/2003WO2003096008A1 Chemical analyzer and gene diagnosing apparatus
11/20/2003WO2003095981A1 Auto injector adapter for gas chromatograph
11/20/2003WO2003095978A2 Methods for time-alignment of liquid chromatography-mass spectrometry data
11/20/2003WO2003053581A3 Biomolecule handling method and machine using an array dispenser
11/20/2003WO2003053555A3 Dockable processing module for extracting molecules from a solution
11/20/2003WO2003041830A3 Macroporous gel, its preparation and its use
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