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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...
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...
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...
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...
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...
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,...
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...
7338583 Electrophoresis apparatus, and method of analysis  
Analysis is performed efficiently in an electrophoresis apparatus while avoiding deterioration of samples. A plurality of sample plates are stored in frozen storage. When a particular sample plate...
7338584 Electrophoresis apparatus  
An electrophoresis apparatus 1 has an introducing passage 11 for allowing a sample to move from one end of the introducing passage 11 toward the other end thereof, and an analyzing passage 10,...
7320775 Exchangeable flow cell assembly with a suspended capillary  
There is provided a flow cell assembly in which a shuttle supports and positions a capillary with its end extending beyond the shuttle. The flow cell assembly facilitates the replacement of a flow...
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...
7312611 Apparatus and method for trapping bead based reagents within microfluidic analysis systems  
The present invention provides an on-chip packed reactor bed design that allows for an effective exchange of packing materials such as beads at a miniaturized level. In accordance with the present...
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...
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...
7282705 Microdevice having an annular lining for producing an electrospray emitter  
A microdevice is constructed from a substrate having a microchannel formed therein and a cover plate arranged over the substrate. The cover plate in combination with the microchannel at least...
7276207 Microsystem for the dielectric and optical manipulation of particles  
Described is a fluidic microsystem with at least one compartment for the receiving and/or the through-flow of a liquid and having an electrode arrangement with a multiplicity of electrodes,...
7261801 Method for analyzing a sample from a process with on-line capillary electrophoresis apparatus and capillary electrophoresis apparatus  
Disclosed is a method and apparatus by which a sample can be taken from a process and be analyzed on-line by means of a capillary electrophoresis apparatus. On the feed side of the capillary...
7258777 Bridges for electroosmotic flow systems  
In accordance with the present invention, stable electroosmotic flow systems and methods for designing the same are disclosed. The invention provides electroosmotic flow systems comprising...
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...
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...
7235164 Electrokinetic pump having capacitive electrodes  
An electrokinetic pump achieves high and low flow rates without producing significant gaseous byproducts and without significant evolution of the pump fluid. A first feature of the pump is that...
7223326 Capillary electrophoresis system  
A capillary electrophoresis system includes a plurality of capillaries arranged in parallel on a vertical plane at an identical distance from each other, each of which has a sample injection end...
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...
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...
7204263 Flow control method for micro system  
A method of simply controlling the flow of fluid in a micro system without using a complicated value structure, comprising the steps of adding the substance transformed from sol-gel by stimulation...
7201834 Methods and compositions for modifying the surface of a polymeric substrate  
Methods and compositions for modifying the surface of a polymeric substrate are provided. In the subject methods, at least a portion of the surface of the polymeric substrate is contacted with a...
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...
7156117 Method of controlling the movement of fluid through a microfluidic circuit using an array of triggerable passive valves  
The present invention is directed to methods of controlling the flow of fluids through a microfluidic circuit and, more particularly, to methods of controlling the movement of fluid through a...
7153407 Multi-dimensional electrophoresis apparatus  
An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low concentrations. The apparatus...
7150814 Prevention of surface adsorption in microchannels by application of electric current during pressure-induced flow  
Methods and apparatus for reducing adsorption in microscale devices are provided. In the methods and apparatus, an electrical current such as an alternating current is applied to materials under...
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...
7150815 Polymeric microfabricated fluidic device suitable for ultraviolet detection  
A polymer-based microfluidic device and its manufacturing methods. This microfluidic device is suitable for chromatographic and electrophoretic separations in which the detection of the components...
7134453 Microfluidic switch for stopping a liquid flow during a time interval  
The invention relates to a microfluidic switch for stopping a liquid flow during a time interval with the following features: the switch has at least one first channel and at least one second...
7118711 Microcolumn reactor  
The invention relates to a microcolumn reactor for carrying out reactions on solid phases and/or with biological cells. The aim of the invention is to provide a microcolumn reactor for processes...
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...
7118661 Nanolaminate microfluidic device for mobility selection of particles  
A microfluidic device made from nanolaminate materials that are capable of electrophoretic selection of particles on the basis of their mobility. Nanolaminate materials are generally alternating...
7115422 Separation apparatus including porous silicon column  
A sample separation apparatus including a porous, or rough, capillary column. The porous capillary column includes a matrix which defines pores, and may be formed rough surface of hemispherical...
7108775 Apparatus and method for confining eluted samples in electrophoresis systems  
The present teachings provide a microfluidic apparatus comprising a body defining at least one channel that extends through said body, the channel including an inlet and an outlet; and an...
7081189 Microfluidic pumps and mixers driven by induced-charge electro-osmosis  
A microfluidic device includes one or more microchannels providing a passageway for transmitting an electrolyte fluid. A field source provides a defined field in the one or more microchannels,...
7077152 Microfluidic metering systems and methods  
Systems and methods for metering microfluidic volumes are provided. A discrete plug may be separated from a larger volume of first fluid by injecting a second fluid, such as a gas, into a channel...