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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...
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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...
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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...
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6610201 |
High pressure capillary liquid chromatography solvent delivery system
High pressure capillary liquid chromatography solvent delivery is effected at substantially low volume and atmospheric pressure. The low volume solvent composition is subsequently pressurized and...
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6610546 |
Continuous electrolytically regenerated packed suppressor for ion chromatography
An electrolytic suppressor including (a) packing (a suppressor bed of ion exchange resin or a flow-through monolith), (b) an electrode chamber adjacent the suppressor, (c) a first electrode in the...
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6610200 |
System and its units
This application discloses liquid chromatographic system including units selected from: a) a block ( 4 ) for distributing a liquid flow to a vessel ( 8 ), the characteristics being that there are...
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6602420 |
Method of displacement chromatography
A plurality of chromatographic separation operations, including a first simulated moving bed operation, are coupled into a process which functions, preferably through the application of continuous...
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6591862 |
System and method for carrying out column tests under hydrostatic pressure
A closed ΔP stat -installation is disclosed for the potential-independent control of the pressure difference for continuous column tests under high hydrostatic pressure, as well as a pressure...
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6585937 |
Electrochemical analysis system
A sample pre-separation and concentration system for detecting low levels of analytes in highly complex mixtures includes a plurality of trapping columns having a high selectivity for classes of...
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6581442 |
Splitted tubing apparatus for gradient high performance liquid chromatography
The present invention provides a device capable of simply formulating an arbitrary gradient pattern in a low flow gradient high performance liquid chromatography. That is, the present invention...
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6579459 |
System and method for performing polynucleotide separations using liquid chromatography
Improved liquid chromatography systems having components made of titanium, stainless steel, or organic polymeric material are useful in the separation of polynucleotide fragments, particularly...
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6576124 |
Chromatography device
The present invention relates to a chromatography column 1 in which the net 129 and/or bed support 131 is integrally joined to a net retaining means, preferably a sleeve 135 that protrudes...
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6576125 |
Method of sample introduction for chromatographic systems
An improved method of introducing sample into a low-pressure flow stream of a high-pressure chromatography system to improve efficiency and significantly shorten the time of the separation process...
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6576134 |
Method for displacement chromatography
A method of sample displacement chromatography separation which comprises applying a multicomponent sample to one end of a chromatography bed comprising stationary phase material having affinity...
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6575014 |
Silicon micro-machined fixed-volume back-flush injector having no unswept dead volume during injection
A micro-machined back-flush injector that allows for a sample introduced into the injector to be properly injected into a gas chromatography apparatus in a short time period of between 10 and 100...
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6576133 |
Method and system for RNA analysis by matched ion polynucleotide chromatography
A Matched Ion Polynucleotide Chromatography method and system for size-based segregation of a mixture of RNA molecules. The method includes applying the mixture to a polymeric separation medium...
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6572766 |
Matrices for separation and separation exploiting said matrices
A matrix is disclosed including a core showing a system of micropores and a surface in which the micropore system has openings. The characterizing feature is that the surface is coated with a...
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6572775 |
Method for fractionating a solution
A method for fractionating a solution into two or more fractions by a chromatographic simulated moving bed (SMB) process, wherein the separation system comprises at least two separation profiles in...
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6568244 |
Measuring and evaluating device
A measuring and evaluating device for the analysis of gases is described. The device has an exchangeable gas analyzer, which is of small dimensions. The gas analyzer is a module connected directly...
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6569325 |
Multiuse pressure electric chromatographic device
The present invention is a separation-detection device, which comprises high-voltage power supply, capillary chromatographic column and detection equipment. In addition, the present invention...
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6565752 |
Method for separating a fluid substance and device therefor
The present invention relates to a new separation method and a device therefor, especially to a device and method for chromatographic chemical analysis. In the method according to the invention,...
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6562232 |
Fractionating apparatus
Fractionating apparatus having a plurality of sample elution system (S 1 -S 8 ) in which a nozzle (N) movable in the direction of the row of fractionation vessels ( 4, 4 , ---) arranged in a matrix...
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6562744 |
Process for producing inorganic porous material in a capillary
Inorganic porous materials contained in a confined space with at least one dimension of less than 1 mm, which are in liquid tight contact with the walls of said confined space. Preferred as the...
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6562627 |
High throughput method for measurement of physicochemical values
Methods are provided for determining a dissociation constant for each one of at least a portion of a set of compounds. The methods include contacting a solution of the set of compounds with a...
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6558946 |
Automated sample processing for identification of microorganisms and proteins
The present invention concerns a method for rapidly identifying biological agents in a sample suspected of containing the same. The biomarkers are released from biological agents present in a...
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6558540 |
Exhaust gas collection system for supercritical fluid chromatography
An efficient and safe method and apparatus for collecting exhaust gasses in an open-air sample collection container in a supercritical fluid chromatography system is claimed. The invention uses a...
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6558539 |
Slurry fill method and valve
A chromatography column has valve and method for filling it with a slurry of media, the valve utilizing a piston to compact the slurry in the column. The piston moves through a cavity in...
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6558551 |
Method and system for generating a high purity eluant
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...
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6551512 |
Continuous method for separating substances according to molecular size
Continuous separation methods, in partricular using SMB methods, are disclosed, in which the analytes are separated by size exclusion chromatography (gel permeation chromatography).
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6544422 |
Method of making a composition for separating and concentrating certain ions from mixed ion solutions
A method for removing, separating, and concentrating certain selected ions from a source solution that may contain larger concentrations of other ions comprises bringing the source solution in...
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6541273 |
Multiple sorbent cartridges for solid phase extraction
Methods and apparatus are disclosed which are useful for detecting the presence of various pesticides, including aryl pyrazoles such as fipronil. Pesticide residues are extracted from a variety of...
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6541213 |
Microscale diffusion immunoassay
Methods and apparatuses are provided for determining presence and concentration of analytes by exploiting molecular binding reactions and differential diffusion rates. Analyte particles and binding...
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6541272 |
Pulse introduction membrane extraction apparatus and method for separating and analyzing at least one component in a fluid contaminated with the at least one component
An apparatus and method for separating and analyzing a component of a fluid sample that is considered to be a contaminant, and particularly, that is or may be an organic material. The invention is...
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6537502 |
Surface coated housing for sample preparation
This invention relates to a novel method for small sample preparation using a tube or column, such as a pipette tip, in which the interior surface is coated with a solid matrix for sample...
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6537451 |
Rotary valve
Disclosed is a rotary valve that makes it possible to link several groups of hoses referenced group G 1 , group G 2 , and group G 3 . The valve includes a stator ( 40 ) that is provided with means...
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6537452 |
Cell centrifuge partition chromatography device
A centrifuge partition chromatography device for separating a liquid into at least two phases, comprising at least one flat ring ( 3 a ) that can be rotationally driven around its axis, disposed in...
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6533940 |
Process for separation in a simulated moving bed of at least one component in columns that have a suitable length to diameter ratio
The invention relates to a process for separating at least one component of a mixture in a simulated moving bed, in which each of the chromatographic columns that contains an adsorbent has a ratio...
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6533936 |
Method for separation of optical isomers
The method of separation of optical isomers in accordance with the present invention is directed to providing a method of separation of optical isomers which enables efficient optical resolution of...
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6533939 |
Packing agent for reversed phase liquid chromatography and production process thereof
The present invention relates to a packing agent for reversed phase liquid chromatography, including crosslinked polymer base particles which are obtained by aqueous suspension-polymerization of a...
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6532802 |
Flowmeter for pressure-driven chromatography systems
A flowmeter for accurately measuring the flowrate of fluids in high pressure chromatography systems. The flowmeter is a porous bed of a material, the porous bed having a porosity in the range of...
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6530260 |
Gas chromatography analysis system
A gas chromatography system includes a gas chromatography oven having a door adapted for integration with gas chromatography modules which are located outside of the oven cavity. For these...
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6531285 |
Automated detection apparatus with a conveying means for test columns
An apparatus and method for detecting the presence of at least two predetermined known materials in a test sample are disclosed. The apparatus includes a sample addition station for adding a sample...
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6531060 |
Capillary column including porous silica gel having continuous throughpores and mesopores
A capillary column comprising a capillary of which the inner diameter is less than 1000 μm and a continuous porous silica gel which uniformly fills the capillary, said silica gel containing both...
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6527946 |
Device for treating a fluid
Device for treating a fluid, including a number of columns which are arranged on a support frame and through which the fluid is guided. This support frame rotates with respect to the environment...
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6527951 |
Chromatographic column
A chromatography column with filters having minimal volume. A stamped screen disk is coated with fluorocarbon polymer on both sides, leaving a center area open. The fluorocarbon polymer coating...
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6524480 |
Non-polar media for polynucleotide separations
Nonporous beads having an average diameter of about 0.5-100 microns are suitable for chromatographic separation of mixtures of polynucleotides when the beads comprise a nonporous particle which are...
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6524866 |
Capillary electrophoretic method to detect target-binding ligands and to determine their relative affinities
The invention relates to capillary electrophoretic methods for detecting ligands or hit compounds that can bind to a selected target at or above a selected binding strength. The method allows one...
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6524482 |
Use of ion binding ligands attached to solid supports and membranes for ion removal from a biological system
The present invention provides methods for removing species of ions from biological solutions, thereby allowing controlled study of the biological effect of one or more ion on a biological system...
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6521123 |
Polynucleotide separations on polymeric separation media
Non-polar polymeric separation media, such as beads or monoliths, are suitable for chromatographic separation of mixtures of polynucleotides when the surfaces of the media are unsubstituted or...
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6511603 |
Alkaline earth cation extraction from acid solution
An extractant medium for extracting alkaline earth cations from an aqueous acidic sample solution is described as are a method and apparatus for using the same. The separation medium is free of...
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