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8062903 Droplet compartmentalization for chemical separation and on-line sampling  
Methods and devices are provided for overcoming detrimental diffusive effects in a sample liquid stream by forming segmented liquid bodies (e.g., droplets) from a sample liquid stream in an...
8057191 Electrokinetic micropump having ion-exchange membranes  
The invention is directed to the elimination of changes of the chemical composition of a pumped liquid caused by introduction of strange components or by modification of original components....
8057680 Cartridge for electrohemodialysis  
The scope of the invention is to apply an electric current or to use a kind of iontophoresis system with the hemodialysis cartridge and system (the proposed method is also applicable to peritoneal...
8057655 Sub-micron object control arrangement and approach therefor  
Sub-micron objects are manipulated. According to an example embodiment of the present invention, Brownian motion effects are mitigated to facilitate the analysis and/or manipulation of sub-micron...
8030092 Controlled electrophoresis method  
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 comprises...
8021530 Method for separation of chemical substances and/or particles, device and its use  
Electric fields are applied parallel to and/or vertical to the interfaces on adjacent microfluid lamellae made of nonmiscible media containing said biomolecules and bioparticles to which they have...
8007648 Integrated electrokinetic devices and methods of manufacture  
Devices with electrokinetic elements are disclosed as well as their method of microfabrication for use in micro-scale analysis, mixture separation and reaction. The devices consist of solid...
8007725 Electrophoresis apparatus having valve system  
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 comprises...
7998328 Method and apparatus for separating particles by dielectrophoresis  
Methods and apparatus for the micro-scale, dielectrophoretic separation of particles are provided. Fluid suspensions of particles are sorted and separated by dielectrophoretic separation chambers...
7995266 Particles for display media and information display panel  
Particles for display media are constructed as spherical resin fine particles, in which functional groups indicating positively-charging properties are existent on their surfaces, which are...
7982940 Particle for display medium and information display panel utilizing the same  
The present invention provides particles for display media constituting the display media used for an information display panel, in which the display media are sealed between two substrates, at...
7976779 Integrated LC-ESI on a chip  
A microfluidic system with on-chip pumping which can be used for liquid chromatography and also electrospray ionization mass spectrometry and which provides improved efficiency, better integration...
7959779 Macroscopically manipulable nanoscale devices made from nanotube assemblies  
This invention relates generally to cutting single-wall carbon nanotubes (SWNT). In one embodiment, the present invention provides for preparations of homogeneous populations of short carbon...
7951959 Hydrophilic labels for biomolecules  
Compounds, compositions, and methods for optical, including fluorescence optical, determinations useful in labeling biomolecules such as protein and deoxyribonucleic acid for their detection and...
7940450 Electro-optic display apparatus  
An electro-optic display apparatus includes a first electrode, a second electrode, an electro-optic material, and an insulating layer. The second electrode faces the first electrode to form an...
7938945 Microfluidic device for electrochemically regulating pH of fluid and method of regulating pH of fluid using the microfluidic device  
A microfluidic device includes; an ion exchange membrane, an anode chamber one side of which contacts a surface of the ion exchange membrane, wherein the anode chamber further includes a...
RE42315 Nanostructured separation and analysis devices for biological membranes  
The present invention provides a nanostructured device comprising a substrate including nanotroughs therein; and a lipid bilayer suspended on or supported in the substrate. A separation method is...
7931790 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...
7931789 Device for charging separation buffer liquid to microchip, and microchip processing device equipped with the charging device, electrophoresis method in capillary channel and its microchip processing device  
In a separation buffer solution filling device, a microchip is arranged such reservoirs are opened on a surface on respective ends of channels including at least a main separation channel in which...
7922886 Drop dispenser device  
A liquid dispensing device includes first and second substrates, with the first substrate including an opening for introduction of a fluid, and the second substrate including a multiplicity of...
7922885 Device for transporting liquid and system for analyzing  
In a device for transporting liquid, liquid to be transported is enclosed by an oil droplet, which is fractionated with air, for manipulation. Moreover, as a method for supplying liquids wherein a...
7918981 Cell isolation method and uses thereof  
This invention relates generally to the field of cell separation or isolation. In particular, the invention provides a method for separating cells, which method comprises: a) selectively staining...
7918979 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...
7909973 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...
7905996 Interface patch clamping  
The present invention relate to methods and devices for holding a cell and positioning recording electrodes inside it.
7906248 Connecting structure, flow path control section, fuel cell-type power generation device, and electronic apparatus  
Disclosed herein is a connecting structure for connecting to an electro-osmotic flow pump with electrodes formed on both surfaces of electro-osmotic material, including: a first liquid absorber for...
7906001 Method for separating proteins by capillary electrophoresis and buffer compositions for capillary electrophoresis  
The invention concerns a free solution capillary electrophoresis method at alkaline pH for the analysis of samples comprising protein constituents including a lipoprotein constituent or...
7902500 Methods and interfaces for single and multidimensional separations for characterization and/or identification of molecules by mass spectrometry  
The present invention relates a use of the electrocapture-based separation technology combined with mass spectrometry (e.g. sequence of polypeptides by collision-induce dissociation mass...
7901947 Droplet-based particle sorting  
The present invention relates to droplet-based particle sorting. According to one embodiment, a droplet microactuator is provided and includes: (a) a suspension of particles; and (b) electrodes...
7887774 Methods for selective functionalization and separation of carbon nanotubes  
The present invention is directed toward methods of selectively functionalizing carbon nanotubes of a specific type or range of types, based on their electronic properties, using diazonium...
7883612 Microfluidic device for electrochemically regulating the pH of a fluid therein using semiconductor doped with impurity and method of regulating the pH of a fluid in a microfluidic device using the same  
Provided is a microfluidic device for electrochemically regulating the pH of a fluid comprising: a cathode substrate; an anode substrate facing the cathode substrate and forming a reaction chamber...
7875159 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 the...
7875160 Method for controlling a communication between two areas by electrowetting, a device including areas isolatable from each other and method for making such a device  
Device for displacing drops of liquid by electrowetting, and a method for isolating two areas delimited by at least one wall including a step for: placing by electrowetting, in an aperture of said...
7846676 Methods and devices for analyte detection  
Methods for detecting one or more analytes, such as a protein, in a fluid path are provided. The methods include resolving, immobilizing and detecting one or more analytes in a fluid path, such as...
7842175 Electrophoresis  
The invention relates to a method for separating a target for measurement utilizing electrophoresis, particularly capillary electrophoresis efficiently in high sensitivity and in a short period of...
7838285 Imaging electrophoresis system  
Apparatus and method employing gel electrophoresis and optical imaging techniques to measure the amount of biomaterial that attaches to specified locations on a detector slide and to determine the...
7833398 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...
7811438 Bio-enrichment device to enhance sample collection and detection  
A flow cell is disclosed for collecting and concentrating a sample dispersed in a flowing medium. The collected sample can be selectively manipulated within the cell by the use of one or more...
7811443 Microfluidic dynamic vapor control system  
A microfluidic dynamic vapor control system adapted to change the chemistry of small drops by dynamically controlling the vapor content surrounding the drops. The small volume surface area ratio...
7803261 Method to deposit particles on charge storage apparatus with charge patterns and forming method for charge patterns  
The present invention discloses a method to deposit particles on a charge storage apparatus with charge patterns and a forming method for charge patterns. The forming method for charge patterns...
7799197 Nanopump devices and methods  
A nanopump for pumping small volumes of electrolyte solution under the control of a voltage source is described. The device includes a chamber and a nanopore membrane which partitions the chamber...
7794576 Protein resolution enhancement by using matrix containing DMSO  
An electrophoresis gel matrix is provided for conducting proteomics, in particular the steps of separating and/or identifying proteins. The matrix comprises at least one chemical reagent being at...
7780830 Electro-wetting on dielectric for pin-style fluid delivery  
A method of delivering fluid can include using electro-wetting effects to pick-up, transport, and/or deliver discrete volumes of fluid. Voltage can be applied across a fluid contact area having a...
7776196 Method for arranging particles and method for manufacturing light-emitting device  
A method for arranging particles according to one aspect of the present invention comprises the steps of: forming a thin film on a surface of a substrate, the thin film being obtained by dispersing...
7771582 Method and apparatus for conducting a chemical reaction in the presence of cavitation and an electrical current  
Disclosed is a method and apparatus for conducting a chemical reaction. The reaction is conducted in a reaction vessel or mixing occurring in at least a partial liquid environment in which...
7767468 Repetitive affinity separation and uses therefor  
Improved methods for the separation, isolation, enrichment, or detection of target molecules, such as nucleic acids and proteins, within dilute or heterogeneous samples, such as bodily fluids,...
7767071 Dielectric and conductive imaging applied to gel electrophoresis  
A system for displaying the positions of substances in electrophoretic separations comprises a gel (635) a substance to be separated into a region (450), plates (400, 401) with electrodes (405-420...
7767069 Method for controlling the contact angle of a droplet in electrowetting and an apparatus using the droplet formed thereby  
A method for controlling the hydrophilic droplet using the electrowetting principle is disclosed. More specifically, the present invention provides a method for increasing the change of the contact...
7759132 Methods for performing microfluidic sampling  
Methods for performing microfluidic sampling are provided. The method includes providing a substrate including an arrangement of first, second and third electrodes, wherein the second electrode is...
7740747 Injection method for microfluidic chips  
A microchip for capillary electrophoresis is provided. The microchip comprises an injection channel and a separation channel configured to receive a sample through a sample well disposed on a first...