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7615150 Separation agent for separating optical isomer and method for preparation thereof  
A method of producing a novel separating agent for separating enantiomeric isomers, characterized by including: a step of supporting an optically active polymer compound and a compound having an...
7608187 Manufacture of a chromatography matrix  
The present invention relates to method of manufacturing a sulphonate-functionalized (S-functionalized) cation exchanger, which method comprises reacting olefinic groups with bisulphite in the...
7597804 Optically active support materials, their method of preparation and their uses  
This invention relates to optically active support materials which include one or more esters and/or one or more carbamates and/or one or more mixed ester and carbamate compounds of polysaccharide...
7596988 High performance liquid chromatography sample introduction optimized with bubble detection  
A device ( 100 ) for detecting a condition in a fluid system ( 14 ) and initiating a response based on the condition. The device consists of a sensor ( 12 ) that responds to a first and second...
7588687 Method for separating electrolytes  
The present invention is directed to a method of separating electrolytes by size exclusion chromatography using neutral microporous sorbent materials. Two types of sorbents have shown to be most...
7582684 Macroporous ion exchange resins  
Ion exchange resins are described that are hydrophilic, crosslinked (meth)acrylic copolymers. The ion exchange resins are macroporous, have a surface area of at least 50 m 2 /g, and an average...
7576034 Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof  
The invention concerns a crosslinked optically active three-dimensional polymer network, consisting of homochiral units of a first selector and of homochiral units of at least a second selector of...
7566401 Process for separating and isolating xanthines, individual polar protic monomers, and polar protic oligomers  
An improved process for separating and isolating individual polar protic monomer(s) and/or oligomer(s) on the basis of degree of polymerization. A liquid sample containing polar protic monomer(s)...
7563367 pH stable chromatographic media using templated multilayer organic/inorganic grafting  
An advanced silica gel sorbent for use in chromatographic separations that has been chemically modified by surface polycondensation of a trifunctional and/or difunctional organosilane. The...
7560030 Method for separation and enrichment of phosphopeptides  
The present invention relates to phosphopeptide isolation and enrichment, particularly to a highly selective and specific phosphopeptide enrichment method. The method mentioned in the invention is...
7560023 Method of modifying surface of material  
A method for surface modification of a material by means of introducing the phosphorylcholine group represented by the following formula (1-1) onto the surface of the material by treating a...
7553421 Method for optimally sizing cells of a centrifugal partition chromatography device  
Method for sizing the cells of a centrifugal liquid-liquid chromatography “column” (CPC column) consisting of stacked discs on which the cells connected in cascade (in series) by small channels...
7547395 Macroporous gel, its preparation and its use  
A separation medium in macroporous gel form is disclosed which is obtainable by cooling an aqueous solution of at least one gel forming polymer to a temperature, at which the solvent in the system...
7540962 Method of preparing spheroid polymer particles having a narrow size distribution by dispersion polymerization, particles obtainable by the method and use of these particles  
The invention relates to a method of preparing spheroid polymer particles having a narrow size distribution by dispersion polymerization. This method comprises the steps of: providing a two-phase...
7537703 High-endurance packing material for liquid chromatography  
The present invention provides a highly durable packing material for liquid chromatography that is excellent in acidic resistance and alkalic resistance. Such a packing material for liquid...
7534352 Reversed endcapping and bonding of chromatographic stationary phases using hydrosilanes  
A process for producing a chromatographic stationary phase for use in reversed-phase chromatography. Chromatographic stationary phases prepared according to the methods of the current invention and...
7520982 Cucurbituril-containing polymer, stationary phase and column using the same  
Provided is a cucurbituril-containing polymer. The cucurbituril-containing polymer may be used in removal, separation, or purification of air pollutants, water contaminants, biological substances,...
7514000 Implementation of microfluidic components, including molecular fractionation devices, in a microfluidic system  
A system and method for integrating microfluidic components in a microfluidic system enables the microfluidic system to perform a selected microfluidic function. A capping module includes a...
7510657 Method of preparing affinity ligands  
The present invention is a method of preparing affinity ligands, which method comprises to provide a cyclic scaffold comprising a thiol group, a carbonyl group and an amine group; to derivatize the...
7504029 Silica gel bonded with cucurbituril  
A cucurbituril-bonded silica gel and its use are provided. The cucurbituril-bonded silica gel is useful for removal of air pollutants or water contaminants, and separation and purification of...
7479223 Porous adsorptive or chromatographic media  
A porous substrate capable of adsorptive filtration of a fluid having a porous self-supporting substrate and one or more porous, adsorptive coatings comprising from about 1 to about 80% of the void...
7473367 Monolithic column  
Permeable polymeric monolithic materials are prepared in a plastic column casing. In one embodiment, the permeable polymeric monolithic materials are polymerized by the application of heat from an...
7473366 Process for the purification of macrolides  
The invention relates to a process for the recovery of a macrolide in substantial pure form including: a) treating an impure or crude macrolide with water immiscible solvent to form a mixture, b)...
7473354 Recycled suppressor regenerants  
A suppressed ion chromatographic apparatus using a regenerant recycle loop, comprising (a) an ion separation device, (b) a membrane suppressor, (c) a detector, (d) a container for regenerant...
7468281 Hollow fiber membrane sample preparation devices  
Simultaneous sample purification, enrichment and analysis of pharmaceuticals, illicit drugs, pollutants, biotechnological products, synthetic organic reaction products and food/flavor ingredients...
7468130 Organosilanes and substrates covalently bonded with same and methods for synthesis and use 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...
7455770 Implementation of microfluidic components in a microfluidic system  
A system and method for integrating microfluidic components in a microfluidic system enables the microfluidic system to perform a selected microfluidic function. A capping module includes a...
7449116 Methods and systems for protein separation  
The present disclosure relates to a system and method for protein separation including: fractionating a mixture of proteins on a reversed-phase superficially porous stationary phase at a...
7442299 Ion exchange porous resins for solid phase extraction and chromatography  
Embodiments of the present invention are directed to porous resins for solid phase extractions. The resins feature at least one hydrophobic component, at least one hydrophilic component and at...
7427358 Process for the recovery of tyrosol and hydroxytyrosol from oil mill wastewaters and catalytic oxidation method in order to convert tyrosol in hydroxytyrosol  
A for preparing Tyrosol and/or Hydroxytyrosol from oil mill wastewaters. includes: a) Microfiltration (MF), Ultrafiltration (UF). Nanofiltration (NF) and Reverse Osmosis (RO) of the OMW;...
7422685 Method and device for separating constituents of a liquid charge by means of liquid-liquid centrifuge chromatography  
The invention relates to a method for separating constituents of a liquid feed by liquid-liquid centrifugal chromatography and to a device for implementing it. Constituents (A, B) having different...
7413658 Separation method  
The present invention relates to a method for separating products from a mixture by reversed phase high performance liquid chromatography using a column packed with a stationary phase which is...
7410586 Purification or work-up on ionic liquids by means of adsorptive separation processes  
Process for the work-up of a mixture comprising ionic liquids and a further substance, wherein the substance present is separated off by means of adsorptive separation processes.
7407576 Separating agent for an optical enantiomeric isomer  
The present invention is to provide a method of producing a separating agent for an enantiomeric isomer having a high optical resolution power together with sufficient solvent resistance. That is,...
7402243 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...
7399415 Parking a sample stream and suppressing the sample  
Pretreatment method and apparatus to remove matrix ions from a liquid sample, prior to separation of the sample analytes (e.g. by chromatography), by flowing the liquid sample into a sample...
7399409 Packing material for separation of optical isomer and method of separating optical isomer with the same  
The objectives of this invention are to provide a filler for separating optical isomers, capable of efficiently carrying out optical resolution of optical isomer mixtures, and to provide a process...
7396468 Methods and system for protein separation  
The present disclosure relates to a system and method for membrane protein separation including: fractionating a membrane sample on a reversed-phase superficially porous stationary phase at a...
7396467 Method of preparing a chromatography matrix  
The present invention relates to a method of preparing a porous cross-linked polysaccharide chromatography matrix, which comprises to provide an aqueous solution of a gellable polysaccharide,...
7393453 Method for analysis of perchlorate  
A method for analyzing the content of perchlorate in a sample matrix comprising the steps of extracting the sample matrix and applying it to a reverse phase column, followed by elution with a...
7384546 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...
7374673 Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up  
Polymer fibers having a novel cross-sectional geometry are used as stationary phase materials for liquid chromatography separations. Fibers of 20 to 50 micrometer diameters have surface-channel...
7364656 Triazine-based detoxification agents and their use  
An affinity ligand-matrix conjugate comprises the matrix and conjugated thereto by the group Z, a ligand having general formula (I): wherein one X is N and the other X is N, CCL or CCn; A 1 ...
7361273 Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof  
The present invention relates to a method of separating sugars and sugar alcohols from each other. More particularly the present invention relates to the use of a weakly basic anion exchange resin...
7357864 Microfluidic device  
The object of the present invention is to provide a production process of a microfluidic device in which a porous resin layer, which is capable of optimally fixing a large amount of enzyme, antigen...
7354517 Separation of platinum group metals  
A process for the chromatographic interseparation of rhodium in admixture with at least one base metal from a feed solution comprising complexes of these metals. The process comprises contacting...
7351332 Chromatography cartridge and method for manufacturing a chromatography cartridge  
A chromatography cartridge and method of manufacturing same. A chromatography cartridge of the present invention can include a tubular housing having an open end and an inner surface, and a plug....
7335306 Chromatographic medium  
A chromatographic medium including thioether ligands bound to a cross-linked polymer matrix. The polymer is an organic polymer and the medium is hydrophilic. A method of manufacturing the media is...
7332086 Method for preparing a separation medium  
The present invention relates to a method of preparing a separation medium starting with an aqueous solution of spherical and preferably functionalised primary particles of defined size, comprising...
RE40070 Antibody purification  
This invention relates to the application of hydrophobic interaction chromatography combination chromatography to the purification of antibody molecule proteins. The questions raised in...