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7618524 |
Polymeric salt bridges for conducting electric current in microfluidic devices
A “cast-in-place” monolithic microporous polymer salt bridge for conducting electrical current in microfluidic devices, and methods for manufacture thereof is disclosed. Polymeric salt bridges...
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7601252 |
Multi-capillary electrophoresis apparatus
Scattering on analysis in a multi-capillary electrophoresis apparatus is suppressed. The multi-capillary electrophoresis apparatus has a multi-capillary array that has a sample and a separation...
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7597790 |
Flow control systems
A flow controller which uses a combination of hydrostatic pressure and electroosmotic flow to control the flow of a fluid. A driving fluid ( 1204 ) whose flow rate is dependent on both hydrostatic...
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7594986 |
Apparatus for capillary electrophoresis comprising polyelectrolyte multilayers
An apparatus and method for capillary zone electrophoresis includes a polyelectrolyte multilayer positioned in a capillary tube for analytical separations of macromolecules. The capillary comprises...
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7591936 |
Microfluidic device wherein the liquid/fluid interface is stabilized
The microfluidic device comprises at least one microchannel bounded by a bottom wall, side walls and a top wall and which is designed to contain at least one liquid and at least one fluid...
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7588671 |
Microfluidic treatment method and device
The present invention relates to a microchip apparatus using liquids. More specifically, the invention provides a liquid mixing apparatus comprising at least two microchannels for introducing...
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7582263 |
Universal interface for a micro-fluidic chip
An integrated capillary electrophoresis system comprising a universal interface is disclosed. The universal interface includes one or more of the following structural elements: a chip assembly that...
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7578916 |
Emulsions of ionic liquids
The present teachings provide emulsions using ionic liquids for separation of biomolecules and related methods, compositions, and devices.
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7578915 |
Multichannel microscale system for high throughput preparative separation with comprehensive collection and analysis
A modular multiple lane or capillary electrophoresis (chromatography) system that permits automated parallel separation and comprehensive collection of all fractions from samples in all lanes or...
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7569127 |
Interconnecting microfluidic package and fabrication method
A one-piece, microfluidic package with standardized multiple ports allows devices to be connected in series without resorting to extra tubing connections or bonding processes. The one-piece...
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7559356 |
Electrokinetic pump driven heat transfer system
A heat transfer system comprising a primary heat exchanger for receiving heat from a heat source; a secondary heat exchanger for exhausting heat to a heat sink; a conduit connecting the primary...
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7540949 |
Capillary array electrophoresis apparatus and method of separating and analyzing specimen
At a wall constituting a space for a thermostatic oven in an electrophoresis apparatus, a capillary array attachment portion is formed which permits attachment of a plurality of capillary arrays...
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7537679 |
Materials classifier, method of using, and method of making
The present invention relates to a method of classifying charged molecules such as proteins for quantitative analysis. An analyte solution of the molecules is subjected to separational forces may...
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7534335 |
Multiplexed, absorbance-based capillary electrophoresis system and method
A multiplexed, absorbance-based electrophoresis system for analyzing multiple samples simultaneously without use of a mask or slit comprising a light source, a planar array of capillary tubes and a...
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7531076 |
Capillary cassette and method of manufacturing the same
Capillary columns ( 102 ) pass through and are inserted in a rubber plate ( 14 ), held and fixed by elastic force of rubber, and two-dimensionally arranged on a sample injection side. it fixes the...
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7527767 |
Micro-fluidic system with sensors respectively assigned to plural fluid paths
To monitor functions in a micro-fluidic system having mutually similar parallel fluid paths, sensors ( 7 ) are assigned to the individual fluid paths ( 5 ) at the same respective locations, in...
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7527719 |
Capillary electrophoresis chip apparatus for detecting nucleotide polymorphism and single nucleotide polymorphism
The present invention provides a capillary electrophoresis chip apparatus for detecting nucleotide polymorphism or single nucleotide polymorphism belonging to capillary electrophoresis apparatuses....
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7524409 |
Method and system for electrokinetic, preparative sample separation in high-surface-area separation channels with non-convex cross sections
Embodiments of the present invention employ complexly shaped, high-surface-area channels for separation and purification of molecules, including important biopolymers such as proteins,...
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7513984 |
Capillary array electrophoresis apparatus
When irradiating laser beam from the side face of the capillary array, an optical axis of the laser beam is inclined in vertical direction with respect to a plane face formed by the capillary...
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7497937 |
Microfabricated chip and method of use
A multiplexed, absorbance-based microfabricated chip electrophoresis system, microfabricated chip, and method of use are included for the detection and identification of protein species. The...
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7494577 |
Tandem isotachophoresis/zone electrophoresis method and system
A method of separating components having a given negative or positive charge and contained in a sample is disclosed. The method involves, in one embodiment, loading a microchannel with a sample,...
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7491305 |
High density electrophoresis device and method
The present invention provides, in one aspect, an apparatus or electrophoretic separation of analytes. In one aspect, the apparatus comprises a disc-shaped substrate defining (1) a central...
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7485214 |
Microfluidic device and method of locally concentrating electrically charged substances in a microfluidic device
A microfluidic device includes a microfluidic circuit, having an axis, and an electric field generator, arranged to establish an electric field (E) within at least a section of the microfluidic...
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7473342 |
Capillary array and capillary electrophoresis apparatus
In a case where the temperature of capillaries cannot be controlled rapidly in accordance with the change of the amount of heat generated from the capillaries, the phoretic speed of the sample is...
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7459069 |
Electrophoresis device and the use thereof
The invention relates to a device for electrophoretically separating molecules. The inventive device comprises: at least one plate having a top side and an underside; a first separating channel...
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7459068 |
Multi-capillary electrophoresis apparatus
A multi-capillary electrophoresis apparatus is provided for reducing errors during analysis caused by fluctuations in electrophoresis time among plural capillaries of the apparatus. The...
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7455758 |
Fluidic microsystem comprising field-forming passivation layers provided on microelectrodes
Described is a fluidic microsystem ( 100 ) including at least one channel ( 10 ) through which a particle suspension can flow; and first and second electrode devices ( 40, 60 ) which are arranged...
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7449096 |
Apparatus for the operation of a microfluidic device
In a system for operation or handling of a laboratory microchip ( 41 ) for chemical processing or analysis, the microchip ( 41 ) is mounted in a first physical unit ( 42 ). The microchip ( 41 ) is...
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7445701 |
Capillary array unit and electrophoresis based thereon
A capillary array includes multiple capillaries and two holding substrates for arranging the aforementioned multiple capillaries in a substantially plane surface by sandwiching at least some of...
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7439075 |
Method and device for withdrawing suspended microparticles from a fluidic microsystem
A method of discharging a fluid flow with suspended microparticles from a fluidic microsystem ( 10 ) is described, whereby the fluid flow converges with at least one output flow to form a discharge...
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7438793 |
Capillary array having load header
A multi-capillary array which can be used for a multi-capillary electrophoresis apparatus to effectively disperse the heat generated within a load header. In a load header of the capillary array...
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7425254 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Fractionation of macro-molecules using asymmetric pulsed field electrophoresis
A method and apparatus for fractionation of charged macro-molecules such as DNA is provided. DNA solution is loaded into a matrix including an array of obstacles. An alternating electric field...
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7422669 |
Microfluidic device and method for focusing, segmenting, and dispensing of a fluid stream
A microfluidic device and method for forming and dispensing minute volume segments of a material are described. In accordance with the present invention, a microfluidic device and method are...
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7419577 |
Removal method for coating of polymer coated glass capillary tubing and polymer coated glass capillary tubing
The present invention provides a method for producing a high-quality capillary tube used in an electrophoresis apparatus in a safe and inexpensive manner. A polymer coating on a capillary tube is...
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7419576 |
Analyzing apparatus
One of the principal objects of the present invention is to realize, in a small scale and at a low cost, an analyzing apparatus that analyzes and manipulates a minute sample such as DNA. The...
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7411184 |
Microfluidic device comprising an electrospray nose
A microfluidic device including a microfluidic chip assembled to an electrospray structure. The microfluidic chip includes at least one microfluidic channel leading through an outlet aperture to a...
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7402229 |
Fabrication and use of semipermeable membranes and gels for the control of electrolysis in a microfluidic device
A microfluidic device and method is disclosed having one or more membranes for the control of electrolysis. In one embodiment, a microfluidic device is disclosed that includes body with first...
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7399398 |
Variable potential electrokinetic devices
Variable potential electrokinetic devices and electrokinetic multipliers used for pumping and flow control are disclosed that offer improvements in safety and design flexibility. The devices of the...
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7396444 |
Device to operate a laboratory microchip
In a device to operate and handle a laboratory microchip to chemically process or analyze substances, the microchip is on a chip holder ( 41 ) that is part of a first assembly ( 42 ). The first...
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7390390 |
Capillary array electrophoretic device and auto sampler used for the device
A capillary array electrophoretic device capable of securing a sample plate array and a buffer container three dimensionally on a tray of an autosampler. A tray ( 700 ) is provided with a guide...
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7384525 |
Electrophoretic analysis system having in-situ calibration
An electrophoretic system having a plurality of separation lanes is provided with an automatic calibration feature in which each lane is separately calibrated. For each lane, the calibration...
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7375875 |
Electrophoretic media and processes for the production thereof
A first electrophoretic medium comprises an electrically charged particle suspended in a suspending fluid, the particle having a polymeric shell having repeating units derived from at least one...
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7371310 |
Apparatus for producing a thin sample band in a microchannel system
The present invention improves the performance of microchannel systems for chemical and biological synthesis and analysis by providing a method and apparatus for producing a thin band of a species...
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7361259 |
Capillary array and electrophoresis apparatus, and method
A capillary electrophoresis device including a capillary array, and a method of manufacturing the capillary array, are provided. During the manufacture of the capillary array, a plurality of...
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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...
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7357852 |
Bubble-free and pressure-generating electrodes for electrophoretic and electroosmotic devices
Bubble-free electrodes, electrochemical cells including bubble-free electrodes, analytical devices, and methods for preparing and using them are provided. The analytical devices each include at...
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7347921 |
Apparatus and method for threading a biopolymer through a nanopore
The present invention provides an apparatus and method for threading a biopolymer through a nanopore. The apparatus of the present invention provides a substrate having a channel with a channel...
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7344628 |
Capillary electrophoresis-electrochemical detection microchip device and supporting circuits
The present invention is a capillary electrophoresis device, comprising a substrate; a first channel in the substrate, and having a buffer arm and a detection arm; a second channel in the substrate...
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7341653 |
Method and device for separating particle
A plurality of types of liquid with different electrical conductivity flow through a micro channel having a plurality of channels. When an electric field is applied thereto, an electrokinetic...
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7341652 |
Stationary capillary electrophoresis system
A system and method for capillary electrophoresis are provided for analyzing a macromolecule prepared from a complex liquid mixture. In particular applications, methods and apparatus are provided...
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