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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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;...
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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...
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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...
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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.
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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,...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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