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US20120138468 |
PROTON CONCENTRATION TOPOGRAPHIES, METHODS AND DEVICES FOR PRODUCING THE SAME
A device for isoelectric focusing. The device comprises a focusing container configured to contain an electrolyte solution and having a longitudinal axis and at least one electrolysis unit mounted... |
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US20100307920 |
pH GRADIENTS CONTROLLED BY ELECTROLYSIS, AND THEIR USE IN ISOELECTRIC FOCUSING
A specified proton concentration in a volume (80) is produced by passing a controlled electrophoresis current through an adjacent electrophoresis volume (28) between a working electrode (26) and a... |
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US20090178929 |
SEPARATION DEVICE FOR ISOELECTRIC FOCUSING
The invention relates to a device for use in separation, especially isoelectric focusing employing “pH sink regions”, whereby the direction of change in pH is reversed. |
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US20110100821 |
MINERAL OIL FREE ISOELECTRIC FOCUSING APPARATUS FOR IMMOBILIZED PH GRADIENT STRIPS
A protective sheath for use with an immobilized pH gradient (IPG) strip in an isoelectric focusing (IEF) process is generally disclosed. The protective sheath can inhibit dehydration of the IPG... |
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US20120138469 |
MICROFLUIDIC DEVICES FOR TRANSVERSE ELECTROPHORESIS AND ISOELECTRIC FOCUSING
Devices and methods are provided for separation of particles of a first selected electrophoretic mobility or isoelectric point from a fluid comprising particles of at least one other selected... |
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US20110253535 |
NON-GEL BASED TWO-DIMENSIONAL PROTEIN SEPARATION MULTI-CHANNEL DEVICES
Provided is a multi-channel apparatus for non-gel based two-dimensional protein separation. One or more flat channels are arranged in parallel and have an isoelectric focusing section for... |
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US20070119712 |
Electrophoretic separation of amphoteric molecules
Disclosed is a separation of amphoteric molecules according to their isoelectric points, wherein a first separation according to the isoelectric points of the molecules in one ore more first... |
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US20120073971 |
SELF-ASSEMBLY OF COATINGS UTILIZING SURFACE CHARGE
An apparatus and method for measuring the isoelectric pH for materials deposited on or otherwise affixed onto and in contact with an electrode surface, and a method for utilizing the isoelectric... |
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US20070187249 |
Novel use of a positively charged support
The present invention relates to a novel use of a positively charged support, namely as a sample loading support for loading samples onto an IPG (Immobilised pH gradient) gel. The support or paper... |
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US20120000779 |
SURFACE ACOUSTIC WAVE SENSOR DEVICE INCLUDING TARGET BIOMOLECULE ISOLATION COMPONENT
Provided herein is a surface acoustic wave (“SAW”) sensor device including an isolation component of a target biomolecule. A sample containing the target biomolecule is separated by its size using... |
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US20130134042 |
FFE Media and FFE Methods Comprising Volatile Separation Media
The present invention provides methods and separation media for separating analytes of interest via free flow electrophoresis (FFE) using volatile buffer systems. The separation media provided... |
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US20110132763 |
SOLUTION PHASE ELECTROPHORESIS DEVICE, COMPONENTS, AND METHODS
A device for fluid phase electrophoresis, particularly solution phase isoelectric focusing, components thereof, and methods for use are presented. |
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US20110303542 |
Use of Additives for Enhancing Droplet Operations
The invention relates to a droplet actuator with a substrate comprising electrodes arranged for conducting droplet operations on a droplet operations surface of the substrate; a filler fluid phase... |
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US20050205427 |
Multi-compartment filter and method of filtering using same
Each embodiment includes a central sample reservoir and a plurality of satellite reservoirs. In a first embodiment, a first electrode in electrical contact with the central reservoir is charged... |
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US20110062025 |
ISOELECTRIC FOCUSING SYSTEMS AND METHODS
The invention relates to devices and methods for the separation of species, including biological species and involves the use of free flow isolectric focusing (FF-IEF) devices capable of... |
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US20120184456 |
Methods and systems for analysis of nutraceutical associated components
The present disclosure relates to methods and systems that may be used for analysis of nutraceutical associated components. |
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US20130126356 |
SIMULTANEOUS PURIFICATION OF CELL COMPONENTS
Methods and devices for purification of different cell components from the same sample are provided. |
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US20100288638 |
SEPARATION OF BIOMOLECULES
A method and apparatus for performing separation of molecules, in particular biomolecules such as nucleic acids and peptides, are disclosed. The method comprises separating molecules by a first... |
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US20120145548 |
METHODS AND DEVICES OF SEPARATING MOLECULAR ANALYTES
A method of separating a mixture of a plurality of molecular analytes having different isoelectric points (pIs). The method comprises placing a solution containing a mixture of a plurality of... |
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US20070163884 |
Method and apparatus determining the isoelectric point of charged analyte
Devices are provided for determining the isoelectric point of a charged analyte, comprising a titration chamber and an electrode chamber. The electrode chamber comprises at least two electrodes,... |
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US20100252435 |
Method and device for separation and depletion of certain proteins and particles using electrophoresis
The present invention provides a novel and advantageous method for separating analytes by free flow electrophoresis. The methods are particularly suitable for depleting major constituents such as... |
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US20050139470 |
Device for isoelectric focussing
A device for separating one or more components in a sample is disclosed, the device including: (a) a first planar member (1) having a channel (2) along which a sample may be loaded and... |
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US20080035484 |
Method and apparatus for precise selection and extraction of a focused component in isoelectric focusing performed in micro-channels
An apparatus and method are disclosed for the precise selection and extraction of a selected analyte in a focused zone produced by isoelectric focusing performed in micro-channels. A cross-channel... |
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US20080047836 |
Configurable Microfluidic Substrate Assembly
A microfluidic substrate assembly includes a substrate body having at least one fluid inlet port. At least one microscale fluid flow channel in the substrate is in fluid communication with the... |
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US20130153422 |
STOPPED-FLOW, MICRO-FLUIDIC DEVICE AND METHOD FOR THE CHARGE-BASED SEPARATION OF COMPLEX ANALYTE MIXTURES
The present inventions relate to micro-fluidic devices and related methods of fractionating samples of analytes, such as peptides or proteins, according to their isoelectric points. The disclosed... |
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US20090071827 |
METHOD AND APPARATUS TO REDUCE FALSE POSITIVE AND FALSE NEGATIVE IDENTIFICATIONS OF COMPOUNDS
A method, computer program medium, and system for analyzing a protein sample that obtains a mass spectrum of the derived peptides, and determines from the mass spectrum a first set of peptide... |