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7390409 Membrane holder for membrane adsorber chromotography  
Membrane holder for membrane adsorber chromatography comprising a housing body ( 12 ) with a reception space for at least one layer of adsorber membranes ( 22 ) and at least one first housing cap (...
7390403 Prefilter system for biological systems  
The present invention is to a prefilter for purification systems such as affinity chromatography columns and ultrafiltration systems. The prefilter, positioned upstream of the system inlet, reduces...
7386427 Method for correcting the effects of interdetector band broadening  
Chromatographic separations are often characterized by multiple detectors through which the sample flows serially. As the sample flows between detectors, it becomes progressively diluted due to...
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...
7374724 Device for processing samples, use of the device, and method for producing the device  
The invention relates to a device ( 1 ) for processing samples ( 2 ), comprising a body ( 3 ) with a collecting chamber ( 4 ), which can be connected with a pump ( 5 ) for aspirating, or dispensing...
7374674 Liquid chromatography apparatus  
A liquid chromatography apparatus includes a separation column, liquid feed pump which feeds eluent into the separation column, a detector which detects elution component fed from the separation...
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...
7365142 Polyelectrolyte complex films for analytical and membrane separation of chiral compounds  
The present invention is directed to enantioselective polyelectrolyte complex films. Further, said films may be free or isolated membranes, or coatings on substrates such a porous substrates,...
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 ...
7364655 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...
7364646 High-purity eluant generator  
An apparatus and method for electrochemically modifying the retention of a species on a chromatography material is disclosed. The apparatus comprises a housing having an effluent flow channel...
7361278 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...
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...
7361269 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...
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...
7351333 Centrifuge  
A centrifuge ( 10 ) is provided with a cantilevered shaft ( 18 ) upon which the main drive rotor ( 26 ) is located. A bobbin ( 62 ) is attached to the planetary gear shaft ( 44 ), which is driven...
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....
7350401 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...
7347943 Methods and compositions for chromatography  
The present invention is directed to methods and compositions for separating and isolating target molecules. In particular, the present invention comprises devices, such as CCDs, that contain...
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...
7332126 Integrated microfluidic disc  
Disclosed is a method for performing the steps of nucleic acid template purification, thermocycling reaction and purification of the products of the thermocycling reaction characterized in that the...
7332087 Flow sensing apparatus used to monitor/provide feedback to a split flow pumping system  
A method and apparatus for monitoring and controlling the nano-scale flow rate of fluid in the operating flow path of a HPLC system without relying on a nano-scale sensor in the operating flow...
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...
7329386 Column packing material and method for producing the same  
The first subject of this invention is a column packing material comprising: a silica gel having a silanol group; a first chemical modification group which is bound to said silanol group; a...
7329353 LC/MS method of analyzing high molecular weight proteins  
The present invention is directed to a novel method of analysis of high molecular weight proteins. More specifically, it is directed to a novel reversed-phase LC/MS method of analysis of high...
7329346 Ion chromatography system using catalytic gas elimination  
A liquid chromatographic system is provided including catalytically combining hydrogen and oxygen gases in the chromatography eluent stream in a catalytic gas elimination chamber, to form water and...
7323101 Separating agent for optical isomer and method for preparation thereof  
A separating agent which combines a high optical resolving power inherent in polysaccharide derivatives with sufficient solvent resistance and a method with which the separating agent can be...
7320755 Method of preparing ligands for hydrophobic interaction chromatography  
The invention is a method of preparing multimodal ligands for hydrophobic interaction chromatography (HIC), which comprises providing a cyclic scaffold comprising a thiol, an amine and a carbonyl...
7320754 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;...
7318900 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...
7317187 Frontal affinity chromatography/MALDI tandem mass spectrometry  
Sol-gel derived monolithic silica columns containing entrapped dihydrofolate reductase were used for frontal affinity chromatography of small molecule mixtures. The output from the column combined...
7316777 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...
7314845 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...
7314567 Method for transferring heterogeneous liquids in microchannels without the occurrence of mixing  
In the method for mixing-free transport of homogeneous liquids in microchannels a heterogeneous liquid flow ( 14 ) is autonomously divided into portions, transported over a distance and then...
7314551 Flow distribution apparatus  
Disclosed is a mixer-distributor-collector apparatus for use between beds of solid particles in a fluid-solid contacting vessel. The apparatus includes a solids retaining screen, fluid deflector,...
7314550 Analytical separations with polyelectrolyte layers, molecular micelles, or zwitterionic polymers  
Polymeric surfactants (molecular micelles) are disclosed for use in open tubular capillary electrochromatography or in high performance liquid chromatography. For example, fused silica capillaries...
7314505 Stationary phase deposition based on onium salts  
Onium salt chemistry can be used to deposit very uniform thickness stationary phases on the wall of a gas chromatography column. In particular, the stationary phase can be bonded to non-silicon...
7311826 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...
7311825 Polymer modified porous substrate for solid phase extraction  
A polymer modified porous substrate for solid phase extraction or chromatography, comprising a porous substrate and a polymeric monolith formed thereon, wherein the polymeric monolith comprises C...
7309426 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...
7306734 Method for separation of enantiomeric isomers by simulated moving bed chromatography  
The present invention provides a method having a high productivity for preparative separation by simulated moving bed chromatography. That is, in a filler for enantiomeric isomer separation by...
7306720 Membrane based volatile component-removal devices for liquid chromatography  
In a liquid chromatographic system, removing at least part of a volatile component from the liquid sample stream after separation by flowing it through a volatile component-removal device including...
7303682 Distributing or collecting device  
The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to...
7303671 Ion exchange particle-bound flow-through porous monolith  
A flow-through ion exchange medium comprising a monolithic stationary phase having interconnecting pores defined by pore walls, and fine ion exchange polymeric layering particles irreversibly bound...
7300999 Method of making polyesters  
Thermoplastic polyesters are made by a method in which precondensation is carried in a column whose sections are formed with structured packings and operated at subatmospheric, pressure.
7297943 Polymer based electrospray nozzle for mass spectrometry  
A MEMS device with an overhanging ‘polymer’ capillary provides vital and significant improvements in interfacing a MEMS electrospray nozzle to an MS inlet or other macroscopic instrumentation....
7291383 Supports for solid phase extraction  
A support for solid phase extraction is provided 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...
7291263 Polymeric fiber rods for separation applications  
A separation element is provided for use in a chromatographic analysis system for the separation of a mixture using a stationary phase and a mobile phase. The separation element comprises a fluid...
7288200 System for injecting a by-pass fluid in a separation method in a simulated moving bed  
Device and process for separating at least one compound from a mixture in a simulated moving bed, comprising: an enclosure comprising several absorbent beds, two adsorbent beds being...