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7662269 Capillary electrophoretic instrument and capillary array assembly  
The troublesomeness during the setting of a plurality of capillaries is eliminated by composing pairs of electrodes, which are electrically connected to the common electrode, and capillaries. By...
7658830 Capillary array and electrophoresis apparatus, and methods  
A capillary array capable of being easily mounted on an electrophoresis apparatus without damaging the capillaries. The capillary array can include a plurality of capillaries that can be fixed via...
7655125 Electrophoresis apparatus  
For automating the operation of an electrophoresis apparatus and improving the throughput, the present electrophoresis apparatus has two platens capable of controlling temperature of...
7651600 Electrokinetic concentration device and methods of use thereof  
The present invention provides a device and methods of use thereof in concentrating a species of interest and/or controlling liquid flow in a device. The methods, inter-alia, make use of a device...
7651599 High density fluidic chip design and method of sample injection  
The present invention discloses a high-density parallel channel design for a microfabricated capillary array electrophoresis chip, with vertical T or double T design for sample injection. An...
7645369 Separation method and device for protein mixtures  
A separation device and a separation method for biomolecular sample material and in particular protein mixtures. For this purpose a separation element 10 for the two-dimensional and preferable...
7641780 Two-dimensional microfluidics for protein separations and gene analysis  
The invention provides a microfluidic apparatus for performing 2-D biomolecular separations. The microfluidic 2-D device may include first and second planar substrates which include at least a...
7638025 Fluid handling apparatus  
When a first liquid fed into a first flow passage 6 moves therein toward a connecting portion 10 due to capillarity, gas in the first flow passage 6 is pushed by the moving first liquid to be...
7632389 Open tube suitable for separation purposes comprising covalently bonded zwitterionic betaine groups  
A novel open tube with a zwitterionic betaine polymer layer can be prepared by initiated grafting polymerization. This open tube can be used for separating inorganic anions, peptides and proteins....
7632388 Liquid actuator  
A liquid actuator, which contains: an electrolyte layer (14, 114) containing a liquid, two or more electrically separated electrode parts (13a, 13b, 113a, 113b) on one or both sides of the...
7625475 Nanotube fluid pump  
A microfluidic pump has an outer housing such as a capillary tube, a nanotube, and an ionic fluid or alcohol. The nanotube is placed inside the capillary tube, and the capillary tube is filled...
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 are...
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...
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...
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...
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...
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...
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...
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...
7578916 Emulsions of ionic liquids  
The present teachings provide emulsions using ionic liquids for separation of biomolecules and related methods, compositions, and devices.
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...
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...
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...
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...
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...
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...
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 order...
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...
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,...
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...
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...
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,...
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...
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...
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...
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...
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...
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 on...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...