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Liquid Purification Or Separation > With Means To Add Treating Material > Chromatography ChromatographyChromatography patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/27/07 - 20070295655 - 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 system in the form of a dispersion comprising an organic phase of droplets dispersed in an aqueous medium, mixing said organic phase ... 11/29/07 - 20070272605 - Purification system The present invention relates to automated chromatography systems and software for controlling such automated systems for optimising the purification of a protein from a sample. The software is adapted to monitor the signal from a detector in the system, determine two signal parameters and to control the components of the ... 11/01/07 - 20070251871 - Integrated high throughput system for the analysis of biomolecules Described is an affinity microcolumn comprising a high surface area material, which has high flow properties and a low dead volume, contained within a housing and having affinity reagents bound to the surface of the high surface area material that are either activated or activatable. The affinity reagents bound to ... 11/01/07 - 20070251870 - Chromatographic stationary phase A surface moiety for use in chromatography which is attached to a solid support, said surface moiety having a structure which comprises at least two arylene groups wherein the arylene groups are separated from each other by a hydrocarbylene group. The surface moiety is attached to a solid support to ... 11/01/07 - 20070251869 - Chromatographic stationary phase A novel chromatographic stationary phase for reversed-phase high performance liquid chromatography (HPLC) is provided. By using mono and dimethyl silanes as endcapping reagents as compared with the use of traditional trimethyl silanes, an improved blocking of unreacted surface silanols is achieved. The improved blocking of surface silanols results in at ... 10/04/07 - 20070227957 - Separating agent for optical isomers and separation column for optical isomers This invention provides a separating agent for optical isomers, which has high asymmetry recognition ability and can be used particularly at a high flow rate when used for the separation of the optical isomers, and a separation column for optical isomers having the same. This invention provides: a separating agent ... 09/20/07 - 20070215534 - Method of purifying polypeptides by simulated moving bed chromatography Provided are methods of separating an immunoreactive compound from at least one immaterial component, using a simulated moving bed (“SMB”) system and a SMB apparatus for use in these methods. Also provided are purified immunoreactive compounds prepared using the SMB methods and apparatus and methods of treatment with the purified ... 09/20/07 - 20070215533 - Filter with support cage The invention further provides a chromatographic separating column which has a syringe-shaped column element (2) which is open at one end and is provided at the other end with a tapered outlet (11) and into which such a filter element (3, 10) has been inserted. ... 08/30/07 - 20070199874 - 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. Preferably, a switching unit and a liquid feed unit for mixing and feeding a plurality of solutions are added to improve a ... 08/30/07 - 20070199873 - Chromatographic separation equipment A chromatographic separator characterized in that two pumps are employed for controlling chromatographic separation that combines a first process for supplying at least one of feed solution and eluent into a circulation system and extracting the same quantity as that of liquid supplied into the circulation system from one position ... 08/23/07 - 20070193934 - Perforated surface for sample preparation In the present invention, we describe a device and a method that shows the use of a perforated surface (e.g. net, grid, mesh etc.) for the preparation of small biological and chemical samples. In this present invention, the sample is concentrated on the edges of the perforation. If a solution ... 08/23/07 - 20070193933 - Method and devices for dry loading of chromatography resins A module (1) for dry loading and unloading of a chromatography resin, a chromatography column (3) and a method for using such a module (1). The column (3) comprises an inlet valve (39) adapted to load dry chromatography resin particles and an outlet port (35) for pumping the air from ... 08/16/07 - 20070187313 - Silica based material An organo-modified silica based material to be used for making a stationary phase for liquid chromatography comprising a part which is unmodified silica, and a part which is silica comprising organic groups bonded to the silica. A method for preparing an organo-modified silica based material comprising mixing in an aqueous ... 08/09/07 - 20070181479 - Column and method of manufacturing the column A column for adsorbing a component in a sample has a tubular member through which a sample flows. The column also has a stationary phase housed in the tubular member and formed by an aggregate of a plurality of particles. At least a portion of surfaces of the particles is ... 08/09/07 - 20070181478 - Adsorbent, adsorption apparatus, and method for manufacturing the adsorption apparatus In an adsorbent of the present invention, at least a surface and its vicinity thereof is composed of an apatite represented by the formula Ca10(PO4)6((OH)1-xAx)2, where A represents a halogen element and 0≦x≦1, and a phosphate group contained in the apatite is bonded to a trivalent metal ion. Further, preferably, ... 08/02/07 - 20070175809 - Reusable liquid chromatographic columns A reusable liquid chromatographic column consists of three parts, a column body with an integral outlet port molded on one end, a sealing insert with an inlet port, and a perforated cap providing downward force to compress the sealing insert into the column body. A wedge-like seal is employed to ... 07/05/07 - 20070151910 - Chromatographic material for the absorption of proteins at physiological ionic strength Ion exchange and hydrophobic interaction chromatographic materials are constructed by tethering a terminal binding functionality to a solid support via a hydrophobic linker. The backbone of the linker typically comprises sulfur-containing moieties. Suitable terminal binding functionalities are tertiary amines, quaternary ammonium salts, or hydrophobic groups. These chromatographic materials possess both ... 06/28/07 - 20070144955 - Chromatography column and method of operation A chromatography column is normally filled with a slurry of media for operation. A piston normally compacts the slurry in the column. The piston moves through a cavity in communication with both a slurry inlet and slurry ports which are in communication with the interior of the chromatography column. A ... 06/21/07 - 20070138076 - Devices and methods for microfluidic chromatography Embodiments of the invention provide devices, methods and systems for performing microfluidic chromatography. Particular embodiments provide microfluidic chromatography column devices which can perform chemical separation using small sample volumes and low pressure differentials across the column. One embodiment provides a microfluidic chromatography column device comprising a first, second and third ... 06/14/07 - 20070131600 - 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. The plug can be positioned within the open end of the tubular housing and can have an outer circumferential ... 05/24/07 - 20070114163 - Dual-chamber chromatographic cartridge A chromatography cartridge with a packed bed is manufactured from an inner and outer chamber, the inner chamber being in an insert that is slidable into the outer chamber with openings in each such that a slurry that is originally placed in the interior of the outer chamber flows into ... 05/17/07 - 20070108114 - Column beads gluing A packing composition for inserting in a fluidic device, the packing composition having a packing material adapted for separating different components of a sample, and an adhesive substance to adhere to the packing material. ... 05/03/07 - 20070095736 - Tube structure with sol-gel zirconia coating The subject invention concerns zirconia-based hybrid organic-inorganic sol-gel coating for optional use as a stationary phase in capillary microextraction (CME), gas chromatographic (GC), high performance liquid chromatography (HPLC), capillary electrophoresis (CE), capillary electrochromatography (CEC) and related analytical techniques. Sol-gel chemistry is employed to chemically bind a hydroxy-terminated silicone polymer (polydimethyldiphenylsiloxane, ... 04/26/07 - 20070090035 - Method and apparatus for packing chromatography columns A slurry chamber is fastened to and held in coaxial alignment with a chromatography column by a V-band. One end of the column has an end cap and frit. A slurry of fluid and chromatographic media is placed in the column and chamber. A piston is forced through the chamber ... 04/26/07 - 20070090034 - Substrate for a chromatography column A substrate for retaining a particulate packing medium within a chromatography column is disclosed. The substrate is formed from a polymer material and positionable to retain the packing medium within the column. The polymer has pores sized to retain the packing medium within the column but allow fluid, such as ... 04/19/07 - 20070084774 - Chromatographic stationary phase A chromatographic stationary phase comprises a solid support having bonded thereto a mixture of two different silyl groups I and II. The ratio of the silyl groups I and II ranges from 99:1 to 1:99. Chromatographic stationary phases according to the present invention are more resistant to phase collapse than ... 04/19/07 - 20070084773 - 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. The plug can be positioned within the open end of the tubular housing and can have an outer circumferential ... 04/05/07 - 20070075007 - Multicapillary column for chromatography and sample preparation A multicapillary column especially useful for liquid chromatography and sample preparation comprising a plurality of uniform capillaries coated with an insoluble stationary phase, wherein the thickness of the stationary phase is correlated with the radius of the individual capillaries for high efficiency. ... 03/29/07 - 20070068861 - Flash chromatography cartridge A low pressure liquid chromatographic cartridge is provided having a tubular polymer container adapted to receive a chromatographic packing material. The container has an outlet port located at a downstream end of the container and container threads formed on an upstream end of the container. A polymer cap having cap ... 03/22/07 - 20070062854 - Agglomerated ion exchange particle bed and method A liquid chromatography agglomerated bed comprising component A comprising (a) substrate particles and polymer chains (e.g. a condensation polymer) bound to the substrate particles and projecting therefrom, and (b) component B comprising substrate particles having external surfaces of opposite charge to that of the charged polymer chains, components A and ... 02/08/07 - 20070029242 - Separating agent including polysaccharide derivative having a polycyclic structure The present invention provides a separating agent for enantiomeric isomers, which has an excellent ability to identify asymmetry. That is, the present invention relates to a separating agent for enantiomeric isomers which includes as an effective component a polysaccharide derivative having a bicyclic or more structure having an aromatic, alicyclic, ... 02/08/07 - 20070029241 - Column for liquid chromatography with adjustable compression A column for liquid chromatography includes a chamber adapted to receive packing medium. Openings in the chamber allow fluid to pass through it. Porous plugs in the chamber retain the packing medium. A piston and one porous plug are movable within the chamber to compress the packing medium. A fitting ... 01/04/07 - 20070000828 - Fluid coupling A fluid coupling comprises a fitting body, and a chamber within the fitting body, the chamber having at least one fluid conduit receiver bore and a restricted portion, the fluid conduit receiver bore configured to minimize unswept volume in the chamber. ... 11/30/06 - 20060266684 - Chromatography column with movable adapter In order to reduce the space required above a chromatography column provided with a movable adapter (17) connected to a duct (33) able to slide though a duct receiving opening (25′) in an end plate (7) of the column, the duct (33) is made flexible. ... 11/16/06 - 20060254969 - Column for ion chromatograph, suppressor and ion chromatograph A separation column for ion chromatograph, which is packed with an organic porous ion exchanger having a three-dimensionally network structure which has a continuous pore structure comprising macropores connected with each other and, being present in the wall between them, a mesopore having a radius of 0.01 to 50 μm, ... 11/02/06 - 20060243651 - Multi-velocity fluid channels in analytical instruments The present invention is directed to a chromatographic separation system, separation unit, and method of use thereof. A separation unit comprises two or more regions, each region having a different cross-sectional area. The separation unit includes single column and multiple column configurations. The invention is also directed to an embodiment ... 11/02/06 - 20060243650 - Chromatography column distribution system A chromatography column distribution system (101) comprises a set of first bed support ribs (107) extending radially from a inner, first radial position (R1) near the centre of the plate to a outer radial position nearer to the periphery (109) of the plate and at least one set of intermediate ... 10/26/06 - 20060237353 - Connector for analytical devices A connector element for use with analytical devices is provided. The connector element includes a cavity for receiving a sealing member, and an access element for providing access to the sealing member when disposed in the cavity, e.g., for dislodging the sealing member from the connector element. Also provided are ... 10/19/06 - 20060231471 - Liquid chromatograph control apparatus, method for perfoming liquid chromatography and computer program for controlling a liquid chromatograph A liquid chromatograph control apparatus (1) includes a measured value storage (25a) that stores a measured retardation factor (Rf) value of a sample (3), which is obtained when components of the sample are separated on thin layer chromatography using eluent (4) containing a plurality of ingredients at a specified mixture ... 10/05/06 - 20060219618 - Solvent supply with correction of piston movement A supply flow path for supplying a solvent is described. The supply flow path comprises a metering device with a piston, the metering device being adapted for metering the solvent. The supply flow path further comprises a control unit adapted for controlling the metering device's piston movement in accordance with ... 10/05/06 - 20060219617 - Apparatus for distributing liquids having an adapter An apparatus for distributing liquids to one or more receiving elements. The apparatus comprises a first element arrangement having one or more first receiving elements, a second element arrangement having one or more second receiving elements, a distributor adapted for distributing liquids to the first receiving elements, and an adapter ... 10/05/06 - 20060219616 - Intelligent system and method for automated packing of chromatography columns The present invention provides an automated system and method for packing chromatography columns. In one embodiment, the system first determines the type of media that is present in the column, and uses this information to generate an automated procedure to pack the specific media type. In a second embodiment, the ... 10/05/06 - 20060219615 - Separating agent for chromatography and process for producing the same A separating agent for chromatography which comprises a polysaccharide derivative having a structure in which part of the hydroxy groups present in the polysaccharide which have been crosslinked to each other through crosslinking molecules and the hydroxy groups present in the polysaccharide which have not been crosslinked have been modified ... 09/28/06 - 20060213824 - Column fitting device and method A fitting device for a tubular column having an exterior flange at one of its ends is disclosed. The device includes a fitting composed of (i) a piston for insertion into the end of the column adjacent the flange, (ii) an enlarged-diameter member having a contact surface for contacting the ... 09/28/06 - 20060213823 - Accel-x™ hplc column hardware The present invention comprises the next generation of narrow bore HPLC Column Hardware. The inventors have developed and designed narrow bore column hardware that provides the ultimate configuration to obtain optimum peak shape, improved sensitivity and reduced backpressure. The improvements of the present invention comprise a new HPLC column hardware ... 09/28/06 - 20060213822 - Method and apparatus for injecting a sample into a chromatography system A method and apparatus for injecting a sample into a chromatography system. The apparatus can include a tubular housing having an inner surface and an open end, and a cap coupled to the open end of the tubular housing. The cap can include an aperture therethrough. The apparatus can further ... 09/21/06 - 20060207923 - Polar-modified bonded phase materials for chromatographic separations Novel compositions are disclosed for use as a stationary phase in chromatography comprising an inorganic substrate that is modified with at least one silane having the formula R1δ-Qα-(CH2)βSiR2γX3-γ. In a preferred embodiment, the inorganic substrate is silica gel and is modified with at least two silanes. Methods of preparation and ... 09/14/06 - 20060201862 - 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, organic or inorganic substances, alkaline metals, heavy metals, ionic or water-soluble biological substances. The cucurbituril-containing polymer may be a stationary phase that may be used for column ... 08/24/06 - 20060186029 - Separation device with integral guard column A separation device is formed of a first tube with a cylindrical wall enclosing a chamber having a first diameter, where the device has a first end for discharging a fluid and a second end for receiving a fluid. At least two stationary phase medias are packed into the chamber ... 08/24/06 - 20060186028 - Mass spectrometer A mass spectrometer and a liquid chromatography system for a mass spectrometer is disclosed. In a peak parking mode of operation solvent from A and B solvent pumps 9, 10 is immediately diverted to waste reducing the backpressure on an analytical column 21. Analyte of interest is then allowed to ... 08/17/06 - 20060180536 - Dual-chamber chromatographic cartridge A chromatography cartridge with a packed bed is manufactured from an inner and outer chamber, the inner chamber being in an insert that is slidable into the outer chamber with openings in each such that a slurry that is originally placed in the interior of the outer chamber flows into ... 08/10/06 - 20060175238 - Deactivated surfaces for chromatographic separations and methods of making and using the same Disclosed are deactivated surfaces for use in chromatographic separations, such as capillary gas chromatography, comprising a surface material coated with a deactivating polymer comprising high surface energy-generating groups and groups for end-capping reactive silanols. Also disclosed are columns comprising such surfaces, methods of making and using the surfaces, and kits ... 08/10/06 - 20060175237 - Method of preparing multi-modal anion-exchange ligands The invention relates to a method of preparing multi-modal anion-exchange ligands, which comprises providing a cyclic three-functional scaffold comprising an amine, a carbonyl and a thiol; optionally derivatisation of the amine of the scaffold to provide an anion-exchanging group and/or to protect the amine; and aminolysis to open up the ... 08/03/06 - 20060169628 - Compression fitting nut with interlocked ferrule The invention pertains to a nut and ferrule assembly for use in joining tubing to a fitting. The ferrule has a male member which interlocks with a nut and freely rotates within the nut. The interlock reduces the number of parts necessary to be handled, eliminates the need for the ... 07/27/06 - 20060163133 - Multi column chromatography system The present invention relates to a method and apparatus for chromatographically analyzing each of a plurality of samples in detector, comprising an autosampler to contain a plurality of samples for chromatographic analysis and a plurality of chromatographic systems, each system comprising one or more pumps and one or more chromatography ... 07/06/06 - 20060144770 - Polymeric solid supports for chromatography nanocolumns Nanocolumn chromatography devices useful, e.g., in CEC and nanoLC are disclosed. An exemplary chromatography device of the invention includes a nanocolumn, e.g., a capillary, packed with a particulate stationary phase material and a solid support. The solid support, or in situ frit, is adjacent to and integral with the stationary ... 06/22/06 - 20060131222 - Methods for time-alignment of liquid chromatography-mass spectrometry data Nonlinear retention time variations in chromatography-mass spectrometry data sets are adjusted by time-alignment methods, enabling automated comparison of spectra for differential phenotyping and other applications. ... 06/15/06 - 20060124525 - Hoist-free chromatography column and method A chromatography column, or other type of processing column, including a column tube having a top end cap having an opening there through and an open bottom end. A bottom end cap covers and is removably attached to the open bottom end of the column tube and a piston is ... 06/08/06 - 20060118472 - Single-use manifold and sensors for automated, aseptic transfer of solutions in bioprocessing applications Presteralized manifolds are provided which are designed for sterile packaging and single-use approaches. Disposable tubing and flexible-wall containers are assembled via aseptic connectors. These manifolds interact with valves and pumping equipment which can be operated by a controller which provides automated and accurate delivery of biotechnology fluid. The manifold also ... 06/08/06 - 20060118471 - Stackable chromatography module, and chromatography column comprising a stack of said modules The invention also proposes a chromatography column comprising a stack of said modules (1) fitted together. ... 06/01/06 - 20060113232 - Chromatography columns The present invention relates to a chromatography column that removes the longitudinal load from the column tube altogether and transfers it to a yoke and stanchion arrangement situated around but external to the column tube. By using the yoke/stanchion system, the central adjuster can be used to move the top ... 06/01/06 - 20060113231 - Sample pre-concentration tubes with sol-gel surface coatings and/or sol-gel monolithic beds A method of pre-concentrating trace analytes is accomplished by extracting polar and non-polar analytes through a sol-gel coating. The sol-gel coating is either disposed on the inner surface of a capillary tube or disposed within the tube as a monolithic bed. ... 05/11/06 - 20060096903 - Method and apparatus for packed column separations and purifications In one aspect, the invention encompasses a method of packing and unpacking a column chamber. A mixture of a fluid and a matrix material are introduced through a column chamber inlet so that the matrix material is packed within a column chamber to form a packed column. After the packing, ... 05/04/06 - 20060091053 - Fractionating/collecting device of liquid chromatograph In a preferred embodiment, a sample container storage part for storing a number of sample containers S, a nozzle for dropping a sample component separated and supplied by an LC and an additive liquid such as digestive fluid supplied from another liquid supplying part to the sample container S, a ... 05/04/06 - 20060091052 - Chromatography column A chromatography column having a longitudinal axis and comprising a column wall with a first end and a second end, a first end plate assembly removably connectable to said first end of the column wall, a second end plate assembly removably connectable to said second end of the column wall, ... 05/04/06 - 20060091051 - Micro fluid device and process for producing the same 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 or other protein or catalyst on the inner surface of a minute channel of a microfluidic ... 04/20/06 - 20060081522 - Separating agent for optical isomers A separating agent for optical isomers which contains a polysaccharide derivative as an active ingredient, wherein the polysaccharide derivative serving as an active ingredient is one formed by replacing at least part of the hydrogen atoms of the hydroxyl groups and amino groups of a polysaccharide with at least one ... 04/06/06 - 20060070937 - 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 chromatographic media exhibits a wider pH range and improved pH stability as compared to other silica gel based sorbents, while retaining all other positive aspects ... 03/30/06 - 20060065583 - Separation medium and method for its preparation The present invention relates to a method of preparing a separation medium, which method comprises to provide a slurry of essentially spherical polymer beads in an aqueous solution of a natural polymer and contacting the slurry with an organic solvent in the presence of emulsifier to allow aggregation of the ... 03/23/06 - 20060060516 - Stimulus responsive affinity chromatographic material and separation/purification method A separation material characterized by supporting, in its surface, a linear or crosslinked stimulus responsive polymer to which a substance A having specific affinity for a target substance and a low-molecular substance B having specific affinity for the substance A have been bonded. Such a separation material can increase the ... 03/23/06 - 20060060515 - Capillary tube liquid transport device A capillary tube liquid transport device adapted to make nano-sized capillaries (5 μm to 180 μm) resilient. A first nano-capillary has a first sleeve about an inlet end that provides a resilient surface for installation of a fitting. The nano-capillary has a second sleeve about an outlet end that deforms ... 03/16/06 - 20060054545 - Chromatography columns The present invention relates to a chromatography column that removes the longitudinal load from the column tube altogether and transfers it to a yoke and stanchion arrangement situated around but external to the column tube. By using the yoke/stanchion system, the central adjuster can be used to move the top ... 03/16/06 - 20060054544 - Fraction collector with adjustable tray A fraction collector comprising a movable tray is provided. The movable tray may be attached to the fraction collector support system in a variety of ways and adjusted without adjusting the parts of the fraction collector support system. The moveable tray may be stably attached to the fraction collector support ... 03/16/06 - 20060054543 - System and method for rapid chromatography with fluid temperature and mobile phase composition control The invention relates to liquid chromatography techniques for rapidly characterizing samples, such as polymer solutions, emulsions and dispersions, and to devices for implementing such techniques. The system includes a design that provides the ability to perform chromatographic separations by using mobile phase composition gradients and temperature gradients during separations. The ... 03/16/06 - 20060054542 - Production process of film and column for cation chromatography One object of the present invention is to produce a weakly acidic cation exchanger under mild conditions. Another object of the present invention is to produce a more firm weakly acidic cation exchange film. Still another object of the present invention is to provide a weakly acidic cation exchanger capable ... 03/09/06 - 20060049090 - Chromatographic device and method of forming a chromatographic device A chromatographic device comprises a tube, a chromatographic medium, a piston assembly, and a locking mechanism. The tube comprises first and second opposite ends and an inner surface. The inner surface of the tube at least in part defines an intermediate region. The intermediate region is generally between the first ... 02/09/06 - 20060027490 - Chromatography system and method A chromatography system and method for analyzing a sample of interest. The chromatography system can include a housing, a cartridge holder coupled to the housing and formed to hold a chromatography cartridge containing a stationary phase, a collection vessel stand holder coupled to the housing and formed to hold a ... 01/19/06 - 20060011532 - Chromatography cartridge A cartridge for use in purification processes, including liquid chromatography, scavenging and reactions, is described. In one embodiment, the cartridge can include a tubular member and at least one porous member fitted within the interior region of the tubular member. The tubular member can have an interior surface forming an ... 01/05/06 - 20060000759 - Liquid feeding system This liquid feeding system has the first and second pumps each of which is provided with a plunger. Liquid sucked through each of the pump suction ports is discharged out of the discharging port through the first pump and/or second pump. Under the starting operation mode, the second pump is ... 01/05/06 - 20060000758 - Novel supported catalyst systems The present invention relates to a supported catalyst system. The supported catalyst of the present invention comprises an inorganic support having attached to at least one surface thereof non-acidic, hydrophillic, hydroxyl-containing organic R10 groups having no or substantially no surface charge in solution, and at least one linker capable of ... 12/15/05 - 20050274662 - Disposable 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 external source starting at a low temperature such as 40 degrees centigrade, depending on the mixture and size of the column, and ... 11/24/05 - 20050258088 - Chromatography oven with heat exchange and method of use Methods and systems for cooling gas chromatography ovens that comprise a housing having a fluid entry and a sleeve positioned within the housing to provide a fluid gap between the inner surface of the housing and the outer surface of the sleeve, where the sleeve is coupled to the fluid ... 11/24/05 - 20050258087 - Novel collection system for chromatographic system The present invention provides a method and device for collecting and concentrating a desired compound from a chromatographic column exit stream. The collection chamber can be heated or cooled and washed in a forward or backward direction for efficient removal. ... 11/17/05 - 20050252840 - Micromixer Methods and apparatus for mixing fluids are provided. The devices and methods operate without moving parts, and generate well-mixed fluids over a broad dynamic range of flow rates. Preferred embodiments include junction-type mixers, bundled mixers, and co-axial mixers. The devices and methods are optimized to produce rapid, accurate gradients to ... 11/03/05 - 20050242018 - Disposable chromatographic columns To make an inexpensive chromatographic column and perform chromatography with it, column walls and a column end with a port are molded integrally from plastic. A closure is integrally molded with a port as well. One type of closure includes part of a snap-on fastener integrally molded to it to ... 11/03/05 - 20050242017 - Microfluidic devices for liquid chromatography and mass spectrometry In one aspect, a microfluidic device includes a substrate with a top surface and a raised channel architecture in which at least one channel is formed and defined across a top surface of the substrate and between raised side walls such that a floor of the channel is coplanar with ... 10/27/05 - 20050236314 - Variable flow rate injector A variable flow rate injector provides accurate, precise, and reproducible injection volumes that have low dispersion. The invention is particularly well-suited for HPLC injection volumes <500 nL but can be used to inject larger volumes and in different applications as well. Injections are performed at a first flow rate and ... 10/27/05 - 20050236313 - Composition and method for high efficiency chromatography The invention provides novel compositions, columns and methods for improved chromatographic separations. In particular, novel column packings are provided to improve overall chromatographic separation and efficiency. The invention provides a packing material having particles or mixtures of particles that are used for separation of small molecules, proteins or nucleic acids. ... 10/27/05 - 20050236312 - Method and device for packing chromatography columns A column comprising a first end (2a) provided with a column packing means and a second end (2b) provided with a fluid collection means for collecting fluid from over some or all of the internal cross-section of the column, wherein said first and second ends (2a, 2b) are held apart ... 10/20/05 - 20050230298 - Porous inorganic/organic homogenous copolymeric hybrid materials for chromatographic separation and process for the preparation thereof Those skilled in the art will recognize, or be able to ascertain using no more than routine experimentation, numerous equivalents to the specific procedures described herein. Such equivalents were considered to be within the scope of this invention and are covered by the following claims. The contents of all references, ... 10/20/05 - 20050230297 - Chromatographic separator An intermittently-moving-head or simulated-moving-bed chromatographic separator capable of stably maintaining purities of separated components, wherein a loop path (16) is formed by connecting four or more columns (14) to one another. Feed liquid material containing component-A and component-C and liquid eluent are injected into the loop path (16), followed by ... 10/13/05 - 20050224403 - Liquid chromatographic method and system A chromatographic monitor includes an array of flow cells with individual light sensors that are collectively an array of photodiodes. The output from the photodiodes are multiplexed. To prevent losing information, the photodiodes are each connected to a different one of a plurality of inputs to the multiplexer through a ... 10/13/05 - 20050224402 - Installation for separating components in a plurality of parallel channels An installation for separating components, in particular by high-pressure liquid chromatography along a plurality of channels in parallel, the outlets from the channels being connected via controlled selective connection means to the inlets of parallel temporary storage means whose outlets are connected via controlled selective connection means to ducts for ... 10/06/05 - 20050218055 - Liquid chromatograph A two-dimensional liquid chromatograph includes a first-dimension separation channel for guiding a sample injected from a sample injection part to a first-dimension analysis column using a first-dimension analysis mobile phase for separation; two trap columns; an analysis channel for guiding components retained in the trap columns to a second-dimension analysis ... 09/29/05 - 20050211617 - High throughput flash purification stand and cartridge A chromatography cartridge for use in a chromatography stand has a hollow body for containing chromatography media and an end cap adapted to fit in an open end of the hollow body for closing the end of the hollow body. The end cap has an external axial surface at least ... 09/29/05 - 20050211616 - 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 volume of the pores of the substrate. The resultant substrate has good convective and diffusive flow and capacity. ... 09/29/05 - 20050211615 - 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 polymeric coatings comprising from about 1 to about 80% of the void volume of the pores of the substrate. The resultant substrate has good convective and diffusive flow and ... 09/15/05 - 20050199540 - Hplc column design and method of making same The disclosed HPLC column is formed with overlying concentric inner and outer tubes. The flow path is established via the inner tube bore that holds packed absorbent, end filters and capping sealing members, and end coupling members cooperate with the inner tube at its ends. The sealing and end coupling ... 09/01/05 - 20050189279 - Stationary phase for liquid chromatography using chemically modified diamond surfaces Hydrophilic diamond surfaces comprise surface oxygen bonded onto diamond surface only through oxygen/carbon single bond. The hydrophilic diamond surfaces are treated with strong reductant (e.g., lithium aluminum hydride) to reduce oxygen/carbon double bonds to oxygen/carbon single bond. The hydrophilic diamond surfaces can be used as stationary phase for liquid chromatography. ... 08/18/05 - 20050178709 - Supports for solid phase extraction An object of the present invention is to provide a support for solid phase extraction for preventing the fracture of the porous body of the support and the space between the porous body and its container, and for processing various amounts of liquids to be processed while maintaining the ease ... 08/11/05 - 20050173324 - Endpiece for a chromatography column A liquid transfer system (100) comprising a net (170) and a net support (160), wherein, the net (170) is integrally joined with the net support (160). The net (170) and the net support (160) are preferably joined by welding, such as contact welding or by welding at a lower edge ... 08/04/05 - 20050167348 - Liquid chromatograph A liquid chromatograph has switching valves as a flow passage switching mechanism and an automatic sampler as an injection section. The liquid chromatograph can switch, by switching the switching valves between a concentration flow passage for concentrating the sample injected by the automatic sample via a flow passage which connects ... 07/28/05 - 20050161382 - Laser welded frit A method of forming a column (100 and 200) for use with an analytical chemical instrument. The method includes placing a frit (102 and 202) in proximity to a distal end (110 and 210) of a tube (104 and 204) having an internal bore (106 and 206) adapted to receive ... 07/28/05 - 20050161381 - Tortuous path in diffusion bonded plates for fluid handling A method and corresponding system provide a tortuous path, which functions as restrictors or filters, in diffusion bonded plates for fluid handing. Fluid includes gases, liquids and all types of sample fluids. The method constructs various restrictive elements and etches the restrictive elements into one or more substrates. The substrates ... 06/30/05 - 20050139536 - Multicapillary column for chromatography and sample preparation A multicapillary column especially useful for liquid chromatography and sample preparation comprising a plurality of uniform capillaries coated with an insoluble stationary phase, wherein the thickness of the stationary phase is correlated with the radius of the individual capillaries for high efficiency. ... 06/23/05 - 20050133426 - Chromatography cartridge and method for manufacturing a chromatography cartridge A chromatography cartridge. In some embodiments, the chromatography cartridge can include a tubular housing defining a longitudinal axis and including a relatively non-laser-writable first portion, and a relatively laser-writable second portion. The relatively laser-writable second portion can be positioned substantially parallel to the longitudinal axis and can define at least ... 06/23/05 - 20050133425 - Sample preparation of biological fluids for proteomic applications A system, kit and process for the separation, recovery, purification and identification of biomarkers such as peptides and the like from serum or plasma. The process is to filter the sample through a UF filtration device optionally having a vertical or substantial vertical ultrafilter membrane, especially when in a single ... 06/23/05 - 20050133424 - Water-wettable chromatographic media for solid phase extraction A method for removing an organic solute from a solution comprises contacting the solution with a polymer formed by copolymerizing one or more hydrophobic monomers and one or more hydrophilic monomers, whereby the solute is adsorbed onto the polymer. The solution can comprise a polar solvent such as a polar ... 06/09/05 - 20050121378 - Process for producing mass transfer device and apparatus for production thereof A process for producing a mass transfer device is provided which enables packing of a packing material uniformly in a flow channel, and transfers a specified substance by flowing a fluid containing the specified substance through a flow channel on a substrate. A mass transfer device produced by the process ... ### FreshPatents.com Support |