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6730228 Methods and apparatus for characterization of polymers using multi-dimensional liquid chromatography with regular second-dimension sampling  
Methods and apparatus for characterizing a polymer sample and in preferred embodiments, libraries of polymer samples, in a comprehensive, directly-coupled multi-dimensional liquid chromatography...
6726843 Inverse chromatography methods and apparatus for evaluation of interactions between modifying agents and receptors comprising natural or artificial mammalian tissue  
Methods and apparatus for the evaluation of interactions between substances using inverse chromatography are disclosed. Preferably, interactions are evaluated between a liquid test sample and a...
6723985 Multiple electrospray device, systems and methods  
A microchip-based electrospray device, system, and method of fabrication thereof are disclosed. The electrospray device includes a substrate defining a channel between an entrance orifice on an...
6723157 Material for capturing chemical substance, method for producing the same, and chemical substance-capturing tube  
A material is provided for capturing a chemical substance comprising fibers which carry metal alkoxide particles on the surfaces thereof. The metal alkoxide particles are made from an oligosilica,...
6723235 Apparatus for screening compound libraries  
Disclosed are apparatus for screening compound libraries using frontal chromatography in combination with mass spectrometry to identify and rank those members of the library that bind to a target...
6719899 Access valve devices, their use in separation apparatus, and corresponding methods  
An access valve suitable for controlling fluid flow into and out of a chromatography column has a central axially movable probe with a head acting as a spool valve in a barrel. Axial movement of...
6720190 Methods for screening compound libraries  
Disclosed are methods for screening compound libraries using frontal chromatography in combination with mass spectrometry to identify and rank those members of the library that bind to a target...
6717136 Microfludic system (EDI)  
A microfluidic device comprising an MS-analyte presentation unit for a EDI-MS apparatus, said unit comprising an essentially planar support plate which on one side has one, two or more ports...
6712085 Method for the provision of fluid volume streams  
The invention concerns a method supplying volume streams of fluids in channels or capillaries of small stream cross sections, more particularly chromatographic separating columns for the analytical...
6712973 Process and device for separation with variable-length chromatographic zones  
A process for separating at least one component of a mixture in a set of closed-loop chromatographic columns is described, whereby the loop comprises at least one feedstock injection point, a...
6712963 Single-use manifold 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...
6712962 Ion chromatography system for exchanging an ion exchanger in a suppressor and a suppressor means  
An ion chromatography system having a suppressor means which is provided with a main body for accommodating an ion exchanger ready for measuring; a chamber for accommodating a virgin ion exchanger,...
6709583 Continuously regenerated and integrated suppressor and detector for suppressed ion chromatography and method  
An integrated suppressor and detector for suppressed ion chromatography includes a stationary phase, a fluid flow path, at least first and second regeneration electrodes, and at least first and...
6709597 Process for the separation of racemic mixtures  
The present invention relates to a process for the separation of racemic mixtures comprising development of a denser molecular imprint on silica with a desired enantiomer by sol-gel protocol.
6709596 Device, method and system for reversibly trapping and isolating carbohydrates  
Disclosed herein is a reversible carbohydrate (glycan) trap, methods and system for preparing the trap and use of the trap in preparing and trapping glycans for the study of carbohydrate structure....
6706187 Packing material for chromatography having novel characteristic and method for isolation of substance using the same  
To provide chromatographic packings whereby biological components, etc. which cannot be separated by either ion-exchange chromatography or reversed phase chromatography employed alone can be...
6706191 Chromatographic process utilizing a fluidized bed  
A liquid chromatographic process performed at least partly in a fluidised bed contained in a vessel and comprising particle fluidised by an upwardly directed liquid flow, said process comprising...
6706192 Purification process  
Object of the invention is a process for the chromatographic purification of cyclosporin A from a crude product containing cyclosporin complex by using a column filled with silica gel and by the...
6706188 Process and means for down stream processing  
A method for recovering a desired component from a sample solution with beads under stabilized fluidized bed conditions is provided. Also provided are support beads for use in downstream processing...
6706177 Open capillary column and manufacturing method thereof  
In an open capillary column, a stationary phase is formed on the inner wall of a capillary tube. This stationary phase comprises a number of pores on the surface of the capillary tube, and each of...
6702943 Method for anion-exchange adsorption and anion-exchangers  
A method for the removal of a substance carrying a negative charge and being present in an aqueous liquid (I). The method comprises the steps of: (i) contacting the liquid with a matrix carrying a...
6699392 Method to fabricate silicon chromatographic column comprising fluid ports  
A new method for fabricating a silicon chromatographic column comprising through-substrate fluid ports has been developed. This new method enables the fabrication of multi-layer interconnected...
6699386 Endotoxin adsorbent, and a method of removing endotoxin by using the same  
This invention provides an adsorbent having a high ability to adsorb endotoxin selectively and a method of adsorbing endotoxin. The adsorbent comprises a basic substance bonded to a base material...
6695969 Process for obtaining HMG-CoA reductase inhibitors of high purity  
Lovastatin, pravastatin, simvastatin, mevastatin, atorvastatin, and derivatives and analogs thereof are known as HMG-CoA reductase inhibitors and are used as and antihypercholesterolemic agents....
RE38435 Separating agent  
A mixture of chemical substances such as optical isomers, geometrical isomers and polymers having different molecular weight ranges is separated to each ingredient by use of a cellulose derivative...
6692643 Method for detecting PSA and its molecular forms using thiophilic gel on magnetic beads  
A method for capturing PSA and its molecular forms that may be in a fluid biological material including the steps of: preparing a bed of magnetic beads by binding thiophilic ligands to the beds...
6692577 Process for purifying maltose  
The invention relates to a process for purifying a maltose-containing liquor from a undesired impurities, such as maltotriose. The process of the invention is characterized by nanofiltering said...
6685841 Nanostructured devices for separation and analysis  
The present invention provides a matrix comprising an array of nanostructures that exhibit a variation (gradient) in physical properties (such as size or pitch) in at least one direction of the...
6685828 Automated sample collection in supercritical fluid chromatography  
A system for collection of liquid phase sample fractions from a supercritical fluid chromatography system is disclosed. The system has different ways of gathering the liquid phase into a collection...
6685837 Method for separating and analyzing hydrogen ion and ion chromatographic instrument  
A method for the separation of hydrogen ion, characterized in that a substance having a conjugate base (A − ) of an acid (HA) as a functional group is used as a stationary phase, and an...
6679989 Integral, thru-bore, direct coupled high pressure liquid chromatography guard column  
Guard columns for high-pressure liquid chromatography (HPLC) apparatuses. These guard columns can be removable and/or metallic guard columns. Further, all of the outlet of the guard column can...
6670024 Glass-silicon column  
A glass-silicon column that can operate in temperature variations between room temperature and about 450° C. The glass-silicon column includes large area glass, such as a thin Corning 7740...
6663779 Autoclavable annular chromatograph  
A continuous annular chromatography (CAC) device is disclosed including a stationary column head, a stationary eluate ring, a rotating body which is located between said column head and said...
6656354 Apparatus and method for preparative supercritical fluid chromatography  
A fractionated sample collection process and device having at least one pressurized chamber used to gather and store liquid samples generated from a flow stream containing a mixture of highly...
6652746 Chromatography system for automatically separating different compounds in a sample  
A chromatography system including a chromatography column connected to receive a sample and separate different compounds in the sample, a flow-through detector that outputs a signal indicating the...
6641736 Permanently radially compressed column  
An embodiment of the present invention features a chromatographic device. The chromatographic device comprises a body having a cylindrical wall having an exterior diameter. The cylindrical wall is...
6638710 Adsorbent for reducing the concentration of fibrinogen and/or fibrin, method of producing an adsorber from the adsorbent, and an adsorber with the adsorbent  
An adsorbent for reducing the concentration of fibrinogen and/or fibrin in blood or blood plasma comprises a matrix and synthetic lateral chains that are covalently bonded to the matrix. The...
6635174 Foamed material filled with inner material  
A matrix including: a) a polymeric base matrix including macropores (pore system 1) and b) an interior material, possibly porous (pore system 2), retained within the macropores. The matrix is...
6632353 Rapid sample collection in supercritical fluid chromatography  
A process and device for chromatography, such as preparative and analytical supercritical fluid chromatography, or supercritical fluid extraction for a liquid phase SFC collection system that...
6630354 Chromatography using microwave pulsing  
A method of using microwave-induced dielectric polarization to enhance the diffusivity of a liquid or a supercritical fluid mobile phase in chromatography, while having essentially no effect on...
6627075 Device for and process of preparing volume flows of liquids in at least one passage of a chromatographic column  
Volume flows of liquids in capillary tubes of chromatographic separation columns for analytical liquid measuring technology are controlled. The volume flows are derived from a liquid transport,...
6627076 Compact microchannel system  
The present invention provides compact geometries for the layout of microchannel columns through the use of turns and straight channel segments. These compact geometries permit the use of long...
6623630 Method and apparatus for monitoring a fluid system  
An apparatus for monitoring a fluid system particularly suited for use with high pressure liquid chromatography systems. The apparatus monitors seal leakage as well as the general wellness of the...
6620326 Expanded bed adsorption system  
The present application describes various improvements and further developments to the Expanded Bed Adsorption (EBA) technology. In particular, the application describes an EBA process where...
6620625 Ultra high throughput sampling and analysis systems and methods  
Ultra-high throughput systems and methods are used for sampling large numbers of different materials from surfaces of substantially planar library storage components. The systems and methods...
6616846 Extraction of phosphonates  
Glyphosate and other phosphonates including the bone resorption-inhibiting bisphosphonates are extracted from samples using immobilized forms of zinc, including zinc methacrylate polymers. The...
6613234 Large pore volume composite mineral oxide beads, their preparation and their applications for adsorption and chromatography  
The present invention provides porous mineral oxide beads which have large pore volumes and enhanced stability. The beads are based on a tetravalent metal oxide, such as zirconia, titania or...
6613224 Liquid separation column smart cartridge  
A LC column cartridge comprising a memory component integrally attached to it at the time of its manufacture, as well as a method for producing such a LC column cartridge with an integral memory...
6613235 Method of detecting sample ions by continuous electrochemical regeneration of a stationary phase  
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...
6610208 Device for reducing loss of liquid during fraction collection  
Spillage of liquid during switching of receptacles in a fraction collector is avoided by introducing a device in the flow path between an inlet tube and a dispensing means. The device includes an...