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7604718 Dynamically configurable electrode formed of pixels  
A dynamically configurable electrode includes a first planar electrode and a planar array of pixels in a different plane, wherein a polarizable liquid medium (including electrolyte solutions) is to...
7597791 Method and apparatus for generating electric fields and flow distributions for rapidly separating molecules  
A method and apparatus for generating tunable, uniform electric fields in fluidic applications for rapid separation of molecules, such as DNA, is provided. A region receives the molecules to be...
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...
7591938 Method and device for transporting or binding-specific separation of electrically charged molecules  
Electrically charged molecules need to be transported in order to create a DNA sensor. The following measures are undertaken: base metals are introduced into a solution as a positive ion;...
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...
7579149 Method and apparatus to separate molecules according to their mobilities  
A method and apparatus for separating molecules comprises placing different kinds of molecular species onto a probe; and introducing an electric field between the probe and a surface in proximity...
7578941 Length-based liquid-liquid extraction of carbon nanotubes using a phase transfer catalyst  
The present invention is generally directed to new liquid-liquid extraction methods for the length-based separation of carbon nanotubes (CNTs) and other 1-dimensional nanostructures. In some...
7572357 Chiral temperature gradient focusing  
A method and device are provided for concentrating and separating materials in fluids within a fluidic device having a fluid conduit such as a channel or capillary. The concentration is achieved by...
7569129 Methods for manipulating droplets by electrowetting-based techniques  
Methods are provided for manipulating droplets. The methods include providing the droplet on a surface comprising an array of electrodes and a substantially co-planer array of reference elements,...
7553622 Process for preparing processed sample liquid solution for electrophoresis  
A process for preparing a processed sample liquid solution for gel electrophoresis, comprising (a) treating a sample comprising a cell suspension in a non-shearing manner to produce a processed...
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...
7537680 Mixing reactions by temperature gradient focusing  
A method is provided for observing mixing interactions and reactions of two materials in a fluid. The method in one form provides for concentrating by balancing electrophoretic velocities of a...
7531072 Device for controlling the displacement of a drop between two or several solid substrates  
A device for reversibly displacing at least one volume of liquid under the effect of an electrical control, including first electrically conductive device, second electrically conductive device,...
7517440 Electrokinetic delivery systems, devices and methods  
A method of pumping fluid including the steps of providing an electrokinetic pump comprising a pair of double-layer capacitive electrodes having a capacitance of at least 10−2 Farads/cm2 and b...
7510637 Microelectronic arrays for cell-based functional genomics/high throughput phenotyping by electrokinetic assembly  
An electrochemical apparatus 1 permits electric-field-assisted fluidic assembly of objects 2 on a patterned silicon substrate 11 by means of electrical addressing. Charged objects 2 such as beads...
7494819 Electrochemiluminescence electrode  
Disclosed is a bipolar electrode useful for ECL assays and a method for using the same.
7491304 Carrierless electrophoresis process and electrophoresis device for carrying out this process  
A free flow electrophoresis method for separating sample substances into their analytes. This method comprises multiple steps: a first step for the crude fractionation of the sample substance and...
7488421 Method and device for the purification, especially desalination, of water  
Water processing method, in particular for producing fresh water from salt water by membrane distillation. In comparison with previously known methods, a significant reduction in investment cost...
7488406 Apparatus for collecting particles  
Detail is apparatus for collecting particles from a liquid, including a first electrode having an upper surface defining one or more substantially circular areas of a predetermined diameter...
7488407 Castable three-dimensional stationary phase for electric field-driven applications  
A polymer material useful as the porous dielectric medium for microfluidic devices generally and electrokinetic pumps in particular. The polymer material is produced from an inverse (water-in-oil)...
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...
7455770 Implementation of microfluidic components in a microfluidic system  
A system and method for integrating microfluidic components in a microfluidic system enables the microfluidic system to perform a selected microfluidic function. A capping module includes a...
7449093 Device and method for preparative electrophoresis  
Method and appliance for carrying out membrane electrophoresis using microfiltration or ultrafiltration membranes, wherein the electroosmotic flow which develops in the membrane pores is reduced or...
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...
7436387 Electrooptical device utilizing electrophoresis  
An electrooptical device comprises an electrooptical layer between electrodes. The electrooptical layer includes a dispersion medium and particles contained in the dispersion medium. The particles...
7429317 Electrokinetic device employing a non-newtonian liquid  
A non-Newtonian fluid is used in an electrokinetic device to produce electroosmotic flow therethrough. The nonlinear viscosity of the non-Newtonian fluid allows the electrokinetic device to behave...
7427343 Entropic trapping and sieving of molecules  
Nanofluidic entropic traps, comprising alternating thin and thick regions, sieve small molecules such as DNA or protein polymers and other molecules. The thick region is comparable or substantially...
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...
7419574 Dielectrophoresis device and method having non-uniform arrays for manipulating particles  
Microfluidic devices according to embodiments of the present invention include an inlet port, an outlet port, and a channel or chamber having a non-uniform array of insulating features on one or...
7408698 Portable display device using electrophoretic display  
A portable display device includes a flexible electrophoretic display, a circuit board electrically connected to the display, and a base receiving and securing the display and the circuit board...
7399394 Electrophoresis device, electrophoresis method using an electrophoresis device and use of the electrophoresis device  
An electrophoresis device having a separation chamber that is provided with at least one sample inlet on the inlet side and outlets (9) for the electrophoretically treated sample species on the...
7390388 Method of sorting cells on a biodevice  
A method of sorting cells for a biodevice comprises directing a flow of cells within a fluid into a filtration structure defining an array of fluid openings and encouraging cell passage of each...
7385210 Device for spectroscopy using charged analytes  
A device for spectroscopy using charged analytes has an electron generator, which sends electrons through membrane into a charging chamber. The thermal strain of the membrane may be lowered...
7384520 Method for manufacturing hybrid carbon nanotube  
The invention of present application relates to a method for enabling a hybrid carbon nanotube having an arbitrary composition ratio to be readily manufactured, and the hybrid carbon nanotube. A...
7381315 Multi-channel analyte-separation device employing side-entry excitation  
A side-entry excitation arrangement is provided with a multi-channel analyte-separation device. In various embodiments, a plurality of channels are disposed in an array, with a laser disposed to...
7347957 Methods and compositions for improved electrophoretic display performance  
The invention is directed to novel methods and compositions useful for improving the performance of electrophoretic displays. The methods comprise adding a high absorbance dye or pigment, or...
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...
7341651 Nanoscale mass conveyors  
A mass transport method and device for individually delivering chargeable atoms or molecules from source particles is disclosed. It comprises a channel; at least one source particle of chargeable...
7338808 Method and apparatus for determining zeta potential using alternating current electric field and T channel  
Provided is a method for determining a zeta potential generated between a solid wall and a solution. The method includes (a) injecting an electrolyte solution into a first inlet of a T channel,...
7329497 Gene causative of Rothmund-Thomson syndrome and its gene product  
The RecQ4 helicase gene, belonging to the RecQ helicase gene family, is revealed herein to be the causative gene of Rothmund-Thomson syndrome. The present inventors found out that it is possible to...
7326816 Process for the production of nitrobenzene  
Nitrobenzene is produced and then purified using an acidic wash, an alkaline wash, a neutral wash, subjecting a dispersion formed in the neutral wash to electrophoresis to separate water and...
7326326 System and methods for electrophoretic separation of proteins on protein binding membranes  
Proteins can be rapidly separated to a high degree of resolution by electrophoresis on polymeric membranes that have high protein binding capacity. The electrophoretic separation is carried out in...
7316769 Length-dependent recoil separation of long molecules  
Separation of long molecules by length is obtained by forcing such molecules to traverse a boundary between a low free-energy region and a high free-energy region. In one embodiment, the high...
7316320 Sorting charged particles  
Charged particles may undergo two different separations within a single device, without manual intervention to effect the transfer of the particles between separations. In some embodiments, the...
7314567 Method for transferring heterogeneous liquids in microchannels without the occurrence of mixing  
In the method for mixing-free transport of homogeneous liquids in microchannels a heterogeneous liquid flow (14) is autonomously divided into portions, transported over a distance and then...
7314542 Methods and materials for optimization of electronic transportation and hybridization reactions  
Methods for the transport and hybridization of a nucleic acid on an electrode device by providing a low conductivity buffer with a reducing agent to the device. The low conductivity buffer may also...
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 membrane...
7288404 Microcantilevers for biological and chemical assays and methods of making and using thereof  
Disclosed herein are microcantilevers having structural shapes that are less sensitive to turbulence and drift effects yet provide greater deflections due to analyte concentration. The structural...
7285199 Apparatus and method for electrophoretic microspot concentration  
A method and apparatus for concentrating dilute biomolecules in samples using electrophoresis are described. The method involves using the charged nature of the biomolecules to localize them to a...