Patents
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
10/09/2003US20030188575 Method for measuring flow within an open tube
10/09/2003CA2480075A1 A chromatography system for automatically separating different compounds in a sample
10/09/2003CA2477806A1 Multi-chambered pump-valve device
10/08/2003EP1350759A2 Methods for embossing and bonding of PAEK for microfluidic devices
10/08/2003EP1350095A2 Method and apparatus for combined magnetophoretic and dielectrophoretic manipulation of analyte mixtures
10/08/2003EP1349915A2 Immunosubtraction method for sample preparation for 2-dge
10/08/2003EP1349879A2 System and method for determining molecular weight and intrinsic viscosity of a polymeric distribution using gel permeation chromatography
10/08/2003EP1349731A1 Microscale nozzle and method for manufacturing the same
10/08/2003EP1349631A2 Method for fractionating liquid mixtures
10/08/2003EP0878021B1 Apparatus for forming liquid droplets having a mechanically fixed inner microtube
10/08/2003CN2578827Y Six-path automatic sample feed valve for ion chromatography and flow injection analyse
10/08/2003CN1123372C Fluid distributing-collecting system and corresponding equipment
10/07/2003US6630354 Chromatography using microwave pulsing
10/07/2003US6629626 Liquid transfer device
10/02/2003WO2003081968A1 A method for integrating microparticles into mems
10/02/2003WO2003081229A1 Method of assaying coenzymes a in biological sample
10/02/2003WO2003081114A1 Device for mounting an elongated element with axial clamping
10/02/2003WO2003081103A1 System for treating fluids
10/02/2003WO2003080852A1 Process for the preparation of a desired erythropoietin glyco-isoform profile
10/02/2003WO2003080834A2 Purification methods for oligonucleotides and their analogs
10/02/2003WO2003080655A1 A mutated immunoglobulin-binding protein
10/02/2003WO2003080211A1 Device for solid phase extraction and method for purifying samples prior to analysis
10/02/2003WO2003079996A2 Process for preparing purified s-bel and r-bel and compositions thereof
10/02/2003WO2003054514A3 Novel parallel throughput system
10/02/2003US20030185714 Valve arrangement
10/02/2003US20030184733 Combined analizing apparatus
10/02/2003US20030183757 Electrospray ionization mass analysis apparatus and method thereof
10/02/2003US20030183566 Chromatographic device and method of forming a chromatographic device
10/02/2003US20030183565 Preparatory scale liquid system; accurate, efficient high purity collection
10/02/2003US20030183299 Device and process for filling a column with a filler material
10/02/2003US20030183020 Multi-chambered pump-valve device
10/02/2003CA2480306A1 Method of assaying coenzymes a in biological sample
10/02/2003CA2479901A1 Purification methods for oligonucleotides and their analogs
10/02/2003CA2479896A1 A mutated immunoglobulin-binding protein
10/01/2003EP1348958A1 Chromatographic apparatus
10/01/2003EP1348957A1 Device and process for filling a column with a filling material
10/01/2003EP1348956A2 Rapid sample collection in supercritical fluid chromatography
10/01/2003EP1348944A1 Combined analyzing apparatus
10/01/2003EP1348127A1 Elemental analysis of tagged biologically active materials
10/01/2003EP1348116A2 Focused acoustic ejection cell sorting system and method
10/01/2003EP1347831A1 Stimulus responsive affinity chromatographic material and separation/purification method
10/01/2003EP1347820A1 Integrated separation methods
10/01/2003CN1445543A Method for measuring content of yam saponin
09/2003
09/30/2003US6629039 Method and apparatus for impurity detection
09/30/2003US6627882 Multiple electrospray device, systems and methods
09/30/2003US6627875 Tailored waveform/charge reduction mass spectrometry
09/30/2003US6627454 Method and system for gas chromatography
09/30/2003US6627453 Using frontal chromatography in combination with mass spectrometry to screen a library of compounds to identify and rank those members that bind to a target receptor
09/30/2003US6627076 Compact microchannel system
09/30/2003US6627075 Device for and process of preparing volume flows of liquids in at least one passage of a chromatographic column
09/30/2003CA2140921C Method and kit for pyridinium crosslink assay
09/30/2003CA2112982C Process for the preparation of optical isomers of a amino-2-napththyridine derivative
09/25/2003WO2003079001A1 Single jet, single stage cryogenic modulator
09/25/2003WO2003079000A1 Gradient liquid feed pump system, and liquid chromatograph
09/25/2003WO2003078999A2 Modulator for gaschromatography
09/25/2003WO2003078989A1 High-sensitivity measuring instrument
09/25/2003WO2003078018A1 Method and apparatus for monitoring a fluid system
09/25/2003WO2003054522A3 Method for determining phase distribution coefficients, in addition to a corresponding device
09/25/2003WO2002072880A3 Method for detecting cytosine methylation patterns having high sensitivity
09/25/2003US20030180963 Determination of hydrocarbon species in hydrocarbon samples through use of Townsend Discharge Nitric Oxide Chemical Ionization gas chromatography/mass spectrometry; includes speciation within various boiling point ranges
09/25/2003US20030180954 Providing test solution comprising candidate compounds, contacting solution with simulated biological membrane to partition compounds into membrane, detecting amount of compound in membrane at one or more permeation times
09/25/2003US20030180807 Apparatus for assay, synthesis and storage, and methods of manufacture, use, and manipulation thereof
09/25/2003US20030180772 Detection of DNA damage
09/25/2003US20030180771 Electrochemically analyzing samples from selected areas of the body of living organism for elevated free levels of nucleotide excision products resulting from DNA or RNA damage
09/25/2003US20030180711 Three dimensional microfluidic device having porous membrane
09/25/2003US20030180193 Analyzing blood; insertion of syringe; sample transfer
09/25/2003US20030180185 Apparatus for sample handling for an injection system of a chromatograph
09/25/2003US20030178370 Device for solid phase extraction and method for purifying samples prior to analysis
09/25/2003US20030178075 Fabrication of ultra-shallow channels for microfluidic devices and systems
09/25/2003DE10210048C1 Apparatus for preparation and delivery of sample tubes e.g. for a chromatograph, has a magazine with sample tubes moved in steps, and lifter with a grip operated by electromotor to manipulate sample tubes
09/25/2003CA2477693A1 Method and apparatus for monitoring a fluid system
09/24/2003EP1347493A2 Method and apparatus for desorption and ionization of analytes
09/24/2003EP1347282A2 Medical sample introducing apparatus in an analyzer
09/24/2003EP1346229A2 Inverse labeling method for the rapid identification of marker/target proteins
09/24/2003EP1346214A2 Reference standards and processes for determining the purity or stability of amlodipine maleate
09/24/2003EP1064090B1 Device for analyzing a sample
09/24/2003EP0764048B1 Chromatography adsorbents utilizing mercapto heterocyclic ligands
09/24/2003EP0655135B1 Random generation and bio-specific selection of chemical compounds
09/24/2003CN2575666Y Electromagnetic tracking controller
09/24/2003CN1444041A Method for analyzing fragrancer matter in apple wine
09/23/2003US6624269 Tetrafluoroethylene thermoprocessable copolymer microspheres
09/23/2003US6623659 Separation of olefins from paraffins using ionic liquid solutions
09/23/2003US6623655 Nitrilotriacetic acid derivatives; improved specificity and stability; protein purification, detection and/or binding
09/23/2003US6623630 Method and apparatus for monitoring a fluid system
09/23/2003US6623545 For liquid-liquid extraction of analyte from a sample and transfer to a gas chromatography apparatus comprising a membrane-based extraction unit
09/18/2003WO2003076930A1 Method for characterizing metabolites using hydrogen/deuterium exchange
09/18/2003WO2003076927A1 Method and apparatus for determining a molecular descriptor of absorption for a candidate compound
09/18/2003WO2003076925A1 Method of purifying oxidatively injured guanine nucleoside, method of measuring the same and analyzer for the embodiment thereof
09/18/2003WO2003076924A1 Sanitary seal for modular chromatography columns
09/18/2003WO2003076923A1 Improved chromatography column
09/18/2003WO2003076905A1 A method and apparatus for automated analysis and characterization of chemical constituents of process solutions
09/18/2003WO2003076063A1 Microcomponent connection system
09/18/2003WO2003076040A1 Polar silanes and their use on silica supports
09/18/2003WO2003075772A2 Micro-devices and analytical procedures for investigation of biological systems
09/18/2003WO2003045559A3 Microfluidic devices with distributing inputs
09/18/2003WO2002079751A3 Ultrasonic transducing probe with liquid flow-through capability and related automated workstation and methods of using same
09/18/2003US20030176805 Method for detecting alpha-oxoaldehydes in the whole blood, blood plasma and/or serum of a patient
09/18/2003US20030176651 Multiprotein-complex comprising a nmda receptor and uses thereof
09/18/2003US20030176647 Antibodies to OCIF-binding molecules
09/18/2003US20030175979 Electrospraying ionization; liquid chromatography