Matches 251 - 300 out of 449 < 1 2 3 4 5 6 7 8 9 >


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US20130118980 POLYMERIC MATERIAL, PRODUCTION AND USE THEREOF  
The present invention relates to a polymeric material obtainable by reaction of (A) at least one polyimide selected from condensation products of (a) at least one polyisocyanate having on average...
US20100084345 Method for the Manufacture of Agarose Gels  
A method for the manufacture of an agarose separation gel: The method is characterized in comprising the steps of: i) providing a solution of agar, and ii) one, two or more substeps (ii.A, ii.B,...
US20120184722 CHROMATOGRAPHY COMPONENTS  
Disposable components for a separation and purification system include a flow cell, an end cap for a chromatography column, and a chromatography column useful for medium-pressure liquid...
US20140255409 METHOD FOR EXTRACORPOREAL ELIMINATION OF ONE OR MORE COMPONENTS FROM BLOOD  
A method for extracorporeal elimination of one or more components from blood where whole blood or blood plasma is added to a blood treatment device containing an adsorbent which binds the one or...
US20140299547 CHROMATOGRAPHIC PURIFICATION METHOD  
A chromatographic purification method for the isolation of a desired product fraction from a mixture using 2 chromatographic columns, comprises, within one cycle to be carried out at least once,...
US20130020263 PARALLEL SEPARATION SYSTEM  
A method in a separation system (31) comprising parallel fluid paths (F1′,F2′, . . . Fn′) each comprising a separation module (M1′,M2′, . . . Mn′). According to the invention said method comprises...
US20090188869 Multi-layered macromolecules and methods for their use  
Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of...
US20100193441 Chromatography Column With Pack, Unpack, and Clean-In-Place Features  
A preparative chromatography column is equipped with one or more valves that can each be used to both inject a column packing into the column or withdraw used packing from the column, in addition...
US20060163161 Chromatography columns  
A chromatography column is prepared with a stationary phase comprising a deuterated poly(ethyleneglycol), or other deuterated polymer. Formation of the stationary phase can be performed using...
US20110073547 Ce(IV)-initiated graft polymerisation on polymers containing no hydroxyl groups  
The invention relates to a process for the preparation of a separating material having improved binding capacity, and to materials prepared and to the use thereof for the separation of charged or...
US20070215547 Porous Hybrid Monolith Materials With Organic Groups Removed From the Surface  
A material for chromatographic separations, processes for its preparation, and separation devices containing the chromatographic material. In particular, porous inorganic/organic hybrid monoliths...
US20120205316 Packing Material For Hydrophilic Interaction Chromatography  
The object of the present invention is to provide a packing material and a separation method that manifest excellent hydrophilic interactions. The present invention provides a packing material for...
US20110100915 Packing Material For Hydrophilic Interaction Chromatography  
The object of the present invention is to provide a packing material and a separation method that manifest excellent hydrophilic interactions. The present invention provides a packing material for...
US20110290999 MONOLITHIC COLUMN CHROMATOGRAPHY  
Provided herein are methods of liquid column chromatography in which preparative chromatography is performed in-line with analytical chromatography. In particular aspects a monolithic preparative...
US20070259968 Macroporous Plastic Bead  
(EN) The invention relates to a macroporous plastic bead material with a mean particle diameter of 10 to 1000 pm, radically polymerised from the following monomer types a) 5-40 wt. % vinylic...
US20130319086 HIGH PURITY CHROMATOGRAPHIC MATERIALS COMPRISING AN IONIZABLE MODIFIER  
The present invention provides novel chromatographic materials, e.g., for chromatographic separations, processes for its preparation and separations devices containing the chromatographic...
US20110097813 THREE-DIMENSIONAL LIQUID CHROMATOGRAPHY  
In a liquid chromatography apparatus, a separation column of intermediate stage is additionally connected between a separation column of first stage and a separation column of second stage....
US20060096924 Method for discovering suitable chromatography conditions for the separation of biological molecules  
The invention relates to a multiparallel chromatography system for developing a method for the purification of proteins and other biomolecules. The system uses cavities of multiwell plates (for...
US20070246427 System and method for processing identified metabolites  
A method of rapidly analyzing unexpected metabolites in a metabolite analyzing system is disclosed. A control sample is run and analyzed to generate an exclusion list of unwanted sample...
US20150136698 GRAFT COPOLYMER FUNCTIONALIZED ARTICLE  
Guanidinyl ligand-functionalized polymers, methods of making the same, and substrates bearing a grafted coating of the ligand-functional polymers are described. The grafted polymer has the...
US20120074066 Microchip Capillary Electrophoresis Absent Electrokinetic Injection  
Microchip capillary electrophoresis (CE) utilizing a sample injector based on a mechanical valve rather than electrokinetic injection can provide improved sample injections, enhanced capabilities,...
US20120024791 PROCESS FOR MAKING IMPROVED CHROMATOGRAPHY MEDIA AND METHOD OF USE  
The present invention further is directed to the improved process for making by free radical polymerization a monodisperse, macroporous polymeric media with covalently bonded polymer chains. The...
US20050242040 Method and apparatus for counterconcurrent chromatography  
A countercurrent chromatography apparatus includes a plurality of plates, at least (16) having first and second interleaved spiral flow channels (52, 54, 56, 58) therein. Each spiral flow channels...
US20140231352 SILICA PARTICLES COATED WITH BETA-CYCLODEXTRIN FOR THE REMOVAL OF EMERGING CONTAMINANTS FROM WASTEWATER  
Provided is a silica particle coated with β-cyclodextrin, wherein said cyclodextrin is attached to said silica particle via at least one crosslinking agent and/or at least one copolymer. Also...
US20100059443 Chromatography Membranes, Devices Containing Them, and Methods of Use Thereof  
Described herein are fluid treatment devices for use in tangential flow filtration, comprising a housing unit and a composite material, wherein the composite material comprises: a support member...
US20090277838 Functionalized substrates with ion-exchange properties  
The current invention provides compositions, which are useful as stationary phases for a variety of chromatographic applications, such as high performance liquid chromatography (HPLC) and...
US20060237367 Polymeric adsorbent, and method of preparation and use  
Macroporous polymers having selected porosity and permeability characteristics that provide rigid polymer matrices suitable for use in medium and high pressure reversed phase liquid chromatography...
US20060000773 Process for the synthesis of a chromatographic phase  
A process for the synthesis, delivery or deposition or localisation of a chromatographic phase, especially for chromatographic separation or solid phase extraction, comprises introducing a...
US20110278228 APPARATUS, SYSTEM, AND METHOD FOR CHROMATOGRAPHY USING A WATER STATIONARY PHASE  
Methods and apparatuses for chromatography are provided, using, for example, water as a stationary phase and carbon dioxide as the mobile phase.
US20120018381 Method and Device for Extracting an Analyte  
The invention provides extraction columns for the purification of an analyte (e.g., a biological macromolecule, such as a peptide, protein or nucleic acid) from a sample solution, as well as...
US20100212662 SEPARATION PROCESS  
The present invention relates to a chromatographic separation process for fractionating betaine-containing solutions by utilizing fractions comprising parts of the separation profile as a...
US20080116138 Packing Material for Ion Chromatography  
The present invention relates to a packing material for ion chromatography, wherein a quaternary ammonium base represented by the following formula (1) is bonded to the substrate directly or...
US20100276371 CHROMATOGRAPHY COLUMN AND METHOD OF MAINTENANCE  
A chromatography column and method of maintenance is described which does not require the use of a hoist or crane for disassembly. The method provides improved operator safety by reducing the need...
US20060076296 Novel stationary phases for use in high-performance liquid chromatography  
The invention provides novel materials for chromatography and chromatography columns. The invention provides a monofunctional silane or a mixture of two or three monofunctional silanes chemically...
US20100006502 DISCRETE DROP DISPENSING DEVICE AND METHOD OF USE  
A discrete drop dispensing device comprises a substrate comprising an upper surface and a lower surface and orifices extending from the upper surface to the lower surface, adapted to receive a...
US20130026099 ORGANOSILANES AND SUBSTRATE BONDED WITH SAME  
The present invention provides novel silicon compounds, methods for making these novel silicon compounds, compositions comprising these novel silicon compounds attached to substrates, methods for...
US20100065499 COMPOSITE MATERIAL  
The invention describes a composite microfibre, which is comprising a polysaccharide polymer selected from the group consisting of cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose,...
US20100193439 Quick Disconnect Liquid Chromatograph Columns  
A chromatography column comprising a chromatography tube, a piston tube with a porous obstruction that inhibits the movement of particle solids therethrough, and a quick connect/disconnect clamp...
US20060086667 Methods for the separation of enantiomeric sulfinylacetamides  
The present invention is directed to a process for the isolation of the enantiomeric forms of modafinil with high enantiomeric purity and high overall yields by means of a continuous...
US20140319057 CHROMATOGRAPHIC MATERIALS FOR THE SEPARATION OF UNSATURATED MOLECULES  
The present disclosure relates to a method of separating a compound of interest, particularly unsaturated compound(s) of interest, from a mixture. The compound is separated using a column having a...
US20120067823 LIQUID CHROMATOGRAPHY COMPONENT  
The present invention aims to provide a liquid chromatography component including a column and a prefilter, which is hard to cause an increase of supplied liquid pressure even when the measurement...
US20100326918 MULTI-COLUMN SEQUENCED SEPARATION PROCESS FOR SEPARATING AN IONIC METAL DERIVATIVE  
The subject of the present disclosure is a multi-column sequenced separation process and a drive for implementing this process. The disclosure applies particularly to the separation of metal...
US20080179248 Process for Cross-Linking Cellulose Ester Membranes  
The invention relates to a process for making porous cross-linked cellulose membranes and processes for coupling a chromatography ligand to cross-linked cellulose membranes. The invention provides...
US20110220575 NEW CHROMATOGRAPHIC MEDIA BASED ON PHENOXY ALKYL AND ALKOXY-OR PHENOXY-PHENYL ALKYL LIGANDS  
A reverse phase chromatographic media selected from media of the formula: [X—C6H4—(O)m—(CH2)n]q—Z and hydrophobic end-capped media of said formula, wherein n is a numeral of from 1 to 4, and m is...
US20060011547 Methods of separating components in treatment fluids  
The present invention relates to the separation of components in treatment fluids. More particularly, the present invention relates to the use of a field test that comprises separating components...
US20110192797 Method and Device for Extracting an Analyte  
The invention provides extraction columns for the purification of an analyte (e.g., a biological macromolecule, such as a peptide, protein or nucleic acid) from a sample solution, as well as...
US20090258419 METHOD FOR REMOVING PRION PROTEIN  
The present invention relates to a method for removing prion PrPSc proteins from biological material by contacting a biological material comprising prion PrPSc proteins with sepharose under...
US20070284308 Immobilized-enzyme microreactor devices for characterization of biomolecular analytes and associated methods  
A method that comprises providing a polymerized sol-gel material (PSG) and linking an enzyme to a surface of the PSG via covalent linkage is provided. The surface of the PSG is derivatized with a...
US20110284465 FUNCTIONALIZED SUBSTRATES WITH AROMATIC STACKING PROPERTIES  
The current invention provides compositions, which are useful as stationary phases for a variety of chromatographic applications, such as high performance liquid chromatography (HPLC) and...
US20080293926 Preparation of Biomolecules  
The present invention relates to a method of separating a target from a liquid, which includes providing a polymer in an aqueous liquid, which polymer comprises at least one hydrophobic portion;...

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