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7517441 Electrophoretic buffer  
By using an electrophoretic buffer comprising a polymerized polymer micelle formed by the steps comprising dispersing into an aqueous medium a block copolymer represented by HPLS-HPBS-PLZA,...
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...
7465381 Electrokinetic molecular separation in nanoscale fluidic channels  
A method for separation of mixtures in fluidic systems through electrokinetic transport by use of nanochannels when the fluidic systems approach the size of an electrical double layer, thereby...
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...
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7425254 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***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...
7413642 Material separation device  
A separating device for use in separating electrically charged components, e.g., by electrophoresis, comprises a channel branched at a branch point to provide a main feed channel (105) connected...
7410559 Electrophoresis methods  
A separation carrier comprising β-1,3-glucan and/or methyl cellulose; a running buffer comprising the separation carrier; a method of capillary electrophoresis or microchip electrophoresis,...
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...
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...
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...
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...
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...
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...
7332902 Micro sensor for electrochemically monitoring residue in micro channels  
The present invention provides a micro sensor for monitoring the cleaning and drying processes for very high aspect ratio micro channels in dielectric films oriented parallel to the fluid-solid...
7316770 Method of electrophoresis, electrophoresis apparatus and capillary array  
A method of electrophoresis, an electrophoresis apparatus and a capillary array in which a fluorescently labelled sample is supplied into capillaries in a capillary array constituted by a...
7314550 Analytical separations with polyelectrolyte layers, molecular micelles, or zwitterionic polymers  
Polymeric surfactants (molecular micelles) are disclosed for use in open tubular capillary electrochromatography or in high performance liquid chromatography. For example, fused silica capillaries...
7307141 Thermoresponsive sensor comprising a polymer solution  
Methods and apparatus for measuring and/or controlling the temperature on the surface or inside of micro chips are provided, including using thermally responsive polymers.
7297243 Methods for forming small-volume electrical contacts and material manipulations with fluidic microchannels  
A microfabricated device employing a bridging membrane and methods for electrokinetic transport of a liquid phase biological or chemical material using the same are described. The bridging...
7297244 Capillary electrophoresis systems and additives  
Capillary electrophoresis systems, reagents, and processes for analyzing a sample which includes at least one protein constituent are disclosed. The processes involve introducing the sample into a...
7294247 Electrophoretic separating device and method for using the device  
The invention concerns to an electrophoretic separation device comprising a separation channel having at least one in- and outlet opening at the beginning and at the end of the channel and one...
7285421 Apparatus for capillary electrophoresis and associated method  
An apparatus and method for capillary zone electrophoresis includes a polyelectrolyte multilayer positioned in a capillary tube for analytical separations of macromolecules. The capillary...
7279082 Method of reacting carboxylic acids  
A carboxylic acid molecule (R COOH) is subjected to an electric field in a micro-reactor. The molecule decarboxyles to form a radical (R•). Two radicals (R•) can dimerise to form the product...
7265348 Apparatus for dispensing a sample in electrospray mass spectrometers  
The present invention relates to an apparatus to dispense a sample for subsequent electrospray ionisation (ESI) mass spectrometry (MS) analysis, to a method of fabricating such apparatus and to...
7252928 Methods for prevention of surface adsorption of biological materials to capillary walls in microchannels  
Methods for reducing surface adsorption of biological materials to the walls of microfluidic conduits in microscale devices are provided. In an example of the methods, one or more colloidal-size...
7250096 Capillary electrophoresis apparatus and method  
An electrophoresis apparatus is provided in which negative effects caused by abnormalities in a current-carrying path in an electrophoresis apparatus can be avoided or reduced. The current flowing...
7244961 Integrated system with modular microfluidic components  
Modular fluidic microchips, systems integrating such microchips, and associated preparative and analytical methods are presented.
7243670 Microfluidic system  
A microfluidic system, particularly a microfluidic chip, with at least one operational channel, in which a fluid and/or the constituents contained therein are moveable in the direction of the...
7238269 Sample processing device with unvented channel  
A device includes a substrate having first and second major surfaces and a hub that defines an axis of rotation for the substrate, and an unvented channel having a plurality of connected...
7238268 Microfluidic devices for the controlled manipulation of small volumes  
A method for conducting a broad range of biochemical analyses or manipulations on a series of nano- to subnanoliter reaction volumes and an apparatus for carrying out the same are disclosed. The...
7229539 Destructible surfactants and uses thereof  
Destructible surfactants and methods of using same are provided. The invention includes anionic surfactants having a dioxolane or dioxane functional group which enables the surfactant to be broken...
7223325 Method for orthogonal analyte stacking/injection systems in electrophoresis  
In the present capillary electrokinetic chromatograpy method, analytes are injected by electroosmotic flow directly from a sample matrix into a separation buffer containing an electrokinetic...
7217350 Mobility and effects arising from surface charge  
A method of, and apparatus for, automatically determining an electric charge—related characteristic or derived parameter of particles in a dispersion or of a cell wall, comprises having a...
7214298 Microfabricated cell sorter  
The invention provides a microfabricated device for sorting cells based on a desired characteristic, for example, reporter-labeled cells can be sorted by the presence or level of reporter on the...
7214299 Method for separation, identification and evaluation of microbes and cells  
The method entails using capillary electrophoresis or capillary isoelectric focusing to separate intact microbes. The capillary system can be a conventional capillary tube or a microfluidic...
7211184 Capillary electrophoresis devices  
A capillary electrophoresis device as well as a process for fabrication of the device is disclosed. The capillary electrophoresis device comprises a device body structure having a plurality of...
7208320 Open-field serial to parallel converter  
Microfluidic devices and systems for affecting the serial to parallel conversion of materials introduced into the device or system. Material or materials to be converted from a serial orientation,...
7198701 Nucleic acid analyzing method  
To provide a method for analyzing a nucleic acid according to high throughput microcapillary electrophoresis during microchip electrophoresis under non-steady electric field, the method being...
7195698 Capillary electrophoretic apparatus, sample plate and sample injection method  
An electrode plate of a sample plate is set on the body of an electrophoretic apparatus, while a plug is inserted into a migration high voltage line connection hole and connected to a high-tension...
7169279 Sample handling system for a multi-channel capillary electrophoresis device  
A sample handling system in a multi-channel capillary electrophoresis apparatus is disclosed. The sample handling system includes a work surface for supporting a plurality of samples located at a...
7169276 Capillary electrophoresis method and apparatus for reducing peak broadening associated with the establishment of an electric field  
Methods for reducing peak broadening associated with the establishment of a run field in a capillary electrophoresis process, and apparatus useful for carrying out such methods, are described....
7160423 Mixed mode microfluidic systems  
Methods and systems that employ hybrid fluid flow profiles for optimized movement of materials through channel networks. These systems employ hybrid pressure-based and electrokinetic based flow...
7150812 Method for continuous particle separation using obstacle arrays asymmetrically aligned to fields  
The present invention relates to methods and devices for separating particles according to size. More specifically, the present invention relates to a microfluidic method and device for the...
7135144 Method for the manipulation of a fluid sample  
The invention provides a device and method for the manipulation of materials (e.g., particles, cells, macromolecules, such as proteins, nucleic acids or other moieties) in a fluid sample. The...
7118660 Method and apparatus for analyzing a mixture of sample substances  
An apparatus for analyzing a mixture of sample substances comprises a fluid-guiding structure wherein the sample substances are moving essentially in one dimension along the structure and are...
7118659 Robotic friendly external loading system for electrophoresis instrument and method  
An electrophoresis instrument for analyzing multiple samples having a loading system. The loading system having a carriage moveable between an external station and a sampling station. The carriage...
7118662 Electrophoresis apparatus  
The windows 5a, 5b are configured so that the thickness of the upper and lower parts of the substrate formed therein with the channels becomes thinner in these parts than in other parts. An air...