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Class 435/288.6 - Including column separation means


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Apparatus including a column separation means in addition
No. of patents: 119
Last issue date: 01/05/2010


1      
NumberTitleIssue Date
7642089Immunosubtraction method
Removal of abundant proteins from a sample enhances detection and resolution of less abundant proteins in the sample such as in two-dimensional gel electrophoresis. The removal is accomplished by immunosubtraction of several high abundance, interfering or contaminat...
01/05/2010
7449329Blood test kit
A blood crossmatching apparatus, kit and methods for testing the compatibility of mammals for blood transfusion. Particulate layers in the apparatus allow nonagglutinated red blood cells to permeate through, while agglutinated red blood cells cannot. The apparatus a...
11/11/2008
7396674Reaction vessel
Reaction vessel 1 for assaying of a subject substrate molecule comprises a translucent narrow tube 2 which has a liquid feed port 4 at one end, and which is intended to be packed with microparticles 5 as solid phase support on which a rea...
07/08/2008
7368282Process and device for determining the activity of enzymes in liquids, or the concentration and/or activity of inhibitors in liquids
A process and device are disclosed to determine the activity of enzymes in liquids in a largely automatic manner. The device for carrying out this process has a column (1) with a chromatographic carrier for treating a measurement sample. The carrier is mixed ...
05/06/2008
7364899Device for monitoring haptotaxis
The present invention discloses a device for monitoring haptotaxis including a housing defining a chamber. The chamber comprises: a first well region including at least one first well, the first well configured to receive a test agent therein and further including b...
04/29/2008
7358486Cleaning and reconditioning of an inline automated chemical analysis system
A method, system, and mixture for simultaneously cleaning and reconditioning at least a part of a sampling pathway of an inline automated mass spectrometry system are disclosed. A sampling pathway including a probe or a nebulizer, in one example, may be simultaneous...
04/15/2008
7326561Flow-thru chip cartridge, chip holder, system and method thereof
A system for performing hybridization assays comprises a cartridge for housing a flow through device, where the cartridge includes a test fluid chamber for facilitating a substantially uniform flow of a test fluid mixture through the flow through device, and a fluid...
02/05/2008
7323140Moving microdroplets in a microfluidic device
The present invention relates to a system and method for moving samples, such as fluid, within a microfluidic system using a plurality of gas actuators for applying pressure at different locations within the microfluidic. The system includes a substrate which forms ...
01/29/2008
7320862Microfluidic extraction method
The invention relates to an extraction method for isolating target molecules from a sample using a microfluidic carrier. ...
01/22/2008
7312085Microfluidic particle-analysis systems
The invention provides systems, including apparatus, methods, and kits, for the microfluidic manipulation and/or detection of particles, such as cells and/or beads. The invention provides systems, including apparatus, methods, and kits, for the microfluidic manipula...
12/25/2007
7274447Material porosity pressure impulse testing system
A system and method for determining porosity of a material enables rapid testing of materials by detecting test particle penetration. The material is held by a test chamber wherein a test particle solution covers a surface of the material. The test chamber is pressu...
09/25/2007
7261812Multi-column separation devices and methods
Chromatographic separation devices include multiple batch-processed columns joined by a body structure and adapted to perform parallel analyses. Both slurry-packed and monolithic column embodiments are provided. One or more liquid-permeable frits of various types ma...
08/28/2007
7217562Gradient structures interfacing microfluidics and nanofluidics, methods for fabrication and uses thereof
The present invention relates to a device for interfacing nanofluidic and microfluidic components suitable for use in performing high throughput macromolecular analysis. Diffraction gradient lithography (DGL) is used to form a gradient interface between a microfluid...
05/15/2007
7195923Ratiometric determination of glycated protein
The present invention provides methods for determining a ratio of an amount of a glycated form of a protein to a total amount of the protein in a sample containing the glycated protein, the glycosylated protein, or the glycoprotein. The method incorporates lateral f...
03/27/2007
7192784Method of measurement in chromatography
A substantial amount of a marker reagent associated with a measurement is measured in a marker reagent measurement area, and the substantial amount of the marker reagent is reflected by a result obtained in a reaction result measurement area where a reaction with a ...
03/20/2007
7166443Methods, compositions, and automated systems for separating rare cells from fluid samples
The present invention recognizes that diagnosis and prognosis of many conditions can depend on the enrichment of rare cells from a complex fluid sample. In particular, the enrichment of fetal cells from maternal samples, such as maternal blood samples, can greatly a...
01/23/2007
7166459Test device and method of making same
The present invention discloses a test device including a support member; a top member mounted to the support member, wherein in the support member and the top member are configured such that they together define a discrete chamber. The discrete chamber includes a f...
01/23/2007
RE39457Liquid specimen container and attachable testing modules
A biological fluid collection container comprising a cup member, a lid assembly removably mounted to the cup member comprising a housing with a downwardly extending cylindrical skirt, a luer lock with a throughgoing bore extending from one side of the lid housing. A...
01/02/2007
7128876Microdevice and method for component separation in a fluid
The present invention relates to a microdevice for separating the components of a fluid sample. A cover plate is arranged over the first surface of a substrate, and, in combination with a microchannel formed in the first surface, defines a separation conduit for sep...
10/31/2006
7112453Retentate chromatography and protein chip arrays with applications in biology and medicine
This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the substrate by d...
09/26/2006
7105339Retentate chromatography and protein chip arrays with applications in biology and medicine
This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the substrate by d...
09/12/2006
7074327Sample preparation for parallel chromatography
Systems and methods are provided for preparing samples for chromatographic separations and then chromatographically separating the prepared samples, preferably in a high-throughput fashion utilizing multiple parallel first (fluid) processing regions in fluid communi...
07/11/2006
7070988Oligosaccharide synthesizer
After various sugar nucleotide solutions and glycosyltransferases (or primers) have been mixed, they are introduced into a reaction tank (column) with primers (or glycosyltransferases) immobilized thereon. Then solutions coming out of the reaction tank are led to an...
07/04/2006
7069151Mapping of differential display of proteins
The present invention relates to protein separation systems and methods capable of resolving and characterizing large numbers of cellular proteins. In particular, the present invention provides a novel mass mapping system and methods for the differential display of ...
06/27/2006
7049558Apparatus and method for heating microfluidic volumes and moving fluids
A device and method for the temperature control, concentration, volume measurement and transport of microfluidic volumes are provided. The device includes one or more heating elements having a resistive material that varies with temperature. The heating elements are...
05/23/2006
7028536Sealing interface for microfluidic device
A threadless interface for a fluidic system includes a microfluidic device having an outer surface and an internal near-surface channel having a first width and disposed at a first depth relative to the outer surface, with the first width being less than about two t...
04/18/2006
7022516Well unit for detecting cell chemotaxis and separating chemotactic cells
The present invention aims at providing a well unit to be used in fabricating an apparatus whereby movements of cells based on their own actions can be accurately and easily detected, in detecting the chemotaxis of cells due to a chemotactic factor or the inhibition...
04/04/2006
7011970Automatic bio-manipulation factory system for manipulating a single cell
This new automatic bio-manipulation factory system for manipulating a single cell comprises: a bio-MEMS that transports, separates, and extracts a single cell for manipulation from a plurality of cells, controls the rotation-orientation of the extracted cell automat...
03/14/2006
6977172Method and apparatus for targeting localized electroporation
The invention comprises an apparatus and a method of effecting localized electroporation in a relatively small target area and for introducing foreign matter into cellular material in which the target area is located. The cellular material may be in vitro, in ovo or...
12/20/2005
6953686Methods of DNA purification and purified DNA
The present invention provides methods for the purification of plasmid DNA that includes removal of host cell impurities, such as endotoxins, RNA, proteins, and chromosomal DNA, from an aqueous solution containing plasmid DNA and methods for separation and purificat...
10/11/2005
6949376Nucleic acid amplification reaction station for disposable test devices
An instrument for conducting nucleic acid amplification reactions in a disposable test device. The test device includes a first reaction chamber containing a first nucleic acid amplification reagent (e.g., primers and nucleotides) and a second reaction chamber eithe...
09/27/2005
6949355Methods, compositions, and automated systems for separating rare cells from fluid samples
The present invention recognizes that diagnosis and prognosis of many conditions can depend on the enrichment of rare cells from a complex fluid sample. In particular, the enrichment of fetal cells from maternal samples, such as maternal blood samples, can greatly a...
09/27/2005
6932940Optical detection in bio-separation device using axial radiation input
In a bio-separation system, incident radiation (e.g., from a laser or LED source) for detection of separated analytes is directed at the detection zone axially along the separation medium, instead of through the boundary walls of the detection zone. In one embodimen...
08/23/2005
6929779Optical detection in bio-separation device using axial radiation output
In a bio-separation system, emitted radiation signals representative of sample analytes are collected from the detection zone axially along the separation medium, instead of through the boundary walls of the detection zone or the separation column. In one embodiment...
08/16/2005
6924151Stable factor VIII/vWF-complex
There are disclosed a stable factor VIII/vWF-complex, particularly comprising high-molecular vWF multimers, being free from low-molecular vWF molecules and from proteolytic vWF degradation products, as well as a method of producing this complex. ...
08/02/2005
6923907Separation column devices and fabrication methods
Pressure-driven microfluidic separation devices, such as may be used for performing high performance liquid chromatography, are provided. Multiple separation columns may be defined in a single device and packed with stationary phase material retained by porous frits...
08/02/2005
6893879Method for separating analyte from a sample
An analyte is separated from a fluid sample by introducing the sample into a cartridge having an extraction chamber containing capture material for capturing the analyte. The sample is forced to flow through the extraction chamber to capture the analyte with the cap...
05/17/2005
6887693Device and method for lysing cells, spores, or microorganisms
A device for lysing components (e.g., cells, spores, or microorganisms) of a fluid sample comprises a cartridge having a lysing chamber for receiving the sample and having at least one solid phase in the lysing chamber for capturing the sample components to be lysed...
05/03/2005
6878540Device for lysing cells, spores, or microorganisms
A device for use with an ultrasonic transducer to lyse components of a fluid sample comprises a cartridge having a lysing chamber, an inlet port in fluid communication with the lysing chamber, and an outlet port for exit of the sample from the lysing chamber. The in...
04/12/2005
6833238Petal-array support for use with microplates
Devices are provided which include supports upon which one or more ion-exchange materials can be disposed for purifying a sample. In various embodiments, the supports include a plurality of deformable members, for example, petal-shaped purification members, that pro...
12/21/2004
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