Matches 251 - 300 out of 402 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6300244 Semiconductor device and method of manufacturing the same  
When a wiring conductor is formed on a semiconductor substrate, a via-hole or a trench is formed by directly performing electroless plating on a barrier layer containing a very small depressed...
6296749 System and method for chromatography and electrophoresis using circular optical scanning  
A system and method is disclosed for chromatography and electrophoresis using circular optical scanning. One or more rectangular microchannel plates or radial microchannel plates has a set of...
6296752 Apparatus for separating molecules  
Provided is an apparatus for separating, in a medium, a component from a composition comprising: (1) an array of three or more electrodes arrayed along a pathway along which molecules of the...
6294064 Method and reagent for suppressing the injection of nucleic acid sequencing template into micro-bore capillary during DNA separation with capillary electrophoresis  
Reagents and methods for preparing samples containing both biomolecule analytes and macrobiomolecules for capillary electrophoresis separation are provided. The reagents comprise a branched...
6290839 Systems for electrophoretic transport and detection of analytes  
The invention relates to compositions and methods useful in the electrophoretic transport of target analytes to a detection electrode comprising a self-assembled monolayer (SAM). Detection proceeds...
6287440 Method for eliminating gas blocking in electrokinetic pumping systems  
A method for eliminating gas bubble blockage of current flow during operation of an electrokinetic pump. By making use of the ability to modify the surface charge on the porous dielectric medium...
6284113 Apparatus and method for transferring liquids  
The present invention concerns devices, apparatus and methods for transferring liquids. One aspect of the present invention is a device comprising a plate having a plurality of transfer elements....
6277258 Device and method for focusing solutes in an electric field gradient  
An electrophoretic device and method for focusing a charged solute is disclosed. The device includes a first chamber for receiving a fluid medium, the first chamber having an inlet for introducing...
6274017 Buffer for analyzing small inorganic cations by capillary electrophoresis  
Disclosed herein is electrophoresis buffer and a buffer kit useful in the analysis of small cations in samples containing simple or complex mixture of ions and/or neutral organic compounds in a...
6274317 Automated allele caller  
An auto allele caller executed in a computer system for identifying alleles from a trace is described. The auto allele caller applies a typical shape of an allele for a marker to the trace to...
6274726 Pressure-enhanced extraction and purification  
The invention is based on the discovery that hyperbaric, hydrostatic pressure reversibly alters the partitioning of biomolecules between certain adsorbed and solvated phases relative to...
6271038 Methods for high throughout determination and ranking of formulations and solubility  
The invention provides apparatus and methods for formulation mixing and measurement to produce rank orders of solubility of chemicals in a variety of formulations. One such method includes mixing a...
6264814 Apparatus and method for isolating and/or analyzing charged molecules  
6264892 Miniaturized planar columns for use in a liquid phase separation apparatus  
Miniaturized planar column devices for use in a liquid phase separation apparatus are described. The devices include microstructures that have been fabricated by laser ablation in a variety of...
6261780 Quantitative analysis of biochemical compound utilizing electrochemical reaction  
A method for quantitatively analyzing a biochemical compound such as glucose or cholesterol is performed by bringing the biochemical compound into contact with double stranded DNA fragments which...
6261430 Micro-electrophoresis chip for moving and separating nucleic acids and other charged molecules  
A microelectrophoresis chip comprises a substrate in which there are formed one or more channels, one channel for each sample to be evaluated. The channels extend for the length of the chip, a...
6261431 Process for microfabrication of an integrated PCR-CE device and products produced by the same  
A fully integrated monolithic small volume PCR-CE device in glass, or the like materials, is fabricated using thin film metal heaters and thermocouples to thermally cycle sub-microliter PCR...
6262833 Capsules for electrophoretic displays and methods for making the same  
An encapsulated electrophoretic display is made of at least one display element. Each display element includes at least one capsule. The capsule contains at least two substantially immiscible...
6258237 Electrophoretic diamond coating and compositions for effecting same  
A method of depositing diamond particles on a surface of a substrate is provided. The method is effected by (a) charging the diamond particles by a positive charge to obtain positively charged...
6255050 Dynamic hybridization system  
Rapid methods and means for hybridizing DNA, RNA and analogs thereof are provided. Hybridization occurs on a partition assembly through which nucleobase-containing sequences are driven by a force,...
6254754 Chip for performing an electrophoretic separation of molecules and method using same  
A chip for performing an electrophoretic separation of micromolecular or macromolecular structures in two dimensions comprises a base substrate comprising a main surface. A channel is formed in the...
6251247 Detection of degradation of RNA using microchannel electrophoresis  
Degradation of RNA present in a sample is detected by using, as an indicator, rRNA included in the RNA. The steps include: (a) introducing the sample onto a microchannel, at an introducing point,...
6245507 In-line complete hyperspectral fluorescent imaging of nucleic acid molecules  
The present invention provides a hyperspectral imaging apparatus and methods for employing such an apparatus for multi-dye/base detection of a nucleic acid molecule coupled to a solid surface.
6241866 Electrodeionization apparatus with fixed ion exchange materials  
Electrodeionization apparatus for purifying water that includes a cathode, an anode, and a plurality of alternating anion permeable membranes and cation permeable membranes between the cathode and...
6231737 Material transport method and apparatus  
An electrospray apparatus uses a microchannel formed in a microchip. Fluid is pumped through the channel to an outlet orifice using either hydraulic or electrokinetic means. An electrospray is...
6224728 Valve for fluid control  
A valve for controlling fluid flows. This valve, which includes both an actuation device and a valve body provides: the ability to incorporate both the actuation device and valve into a unitary...
6214187 Denaturing gradient affinity electrophoresis and methods of use thereof  
Methods are described for separation and analysis, and a kit for separation and analysis, of single nucleotide polymorphisms, or mutations, in target nucleic acid using denaturing gradient...
6210986 Microfluidic channel fabrication method  
A new channel structure for microfluidic systems and process for fabricating this structure. In contrast to the conventional practice of fabricating fluid channels as trenches or grooves in a...
6210574 System for separation of nucleated fetal erythrocytes from maternal blood samples  
A system for separating nucleated cells from a blood sample includes a charge-flow separator (CFS), which separates blood into fractions according to the surface charge density characteristics...
6193866 Separation of charged particles by a spatially and temporally varying electric field  
This invention relates to a method and device for separating charged particles according to their diffusivities in a separation medium by means of a spatially and temporally varying electric...
6176962 Methods for fabricating enclosed microchannel structures  
Methods are provided for the fabrication of polymeric microchannel structures having enclosed microchannels of capillary dimension. The microchannel structures are constructed of a base plate and a...
6176991 Serpentine channel with self-correcting bends  
A serpentine electrophoresis channel, e.g., for a microchip format, is disclosed. The channel includes pairs of linear segments, e.g., parallel or right-angle segments, each joined by an angled...
6162361 Plating waste water treatment and metals recovery system  
A process for removing heavy metal ions or cyanide ions from a waste water stream originating in a metal plating plant or a mine comprising the steps of pretreatment in which the waste water stream...
6149815 Precise electrokinetic delivery of minute volumes of liquid(s)  
Femtoliter to milliliter volumes of one or a plurality of different liquids are accurately dispensed electrokinetically without any direct electrical contact with such liquid(s). This is...
6150089 Method and characterizing polymer molecules or the like  
A method for observing and determining the size of individual molecules and for determining the weight distribution of a sample containing molecules of varying size, which involves placing a...
6136171 Micromachined electrical field-flow fractionation system  
A micromachined system for electrical field-flow fractionation of small test fluid samples is provided. The system includes a microchannel device comprising a first substrate having a planar inner...
6132579 Liquid separation  
A liquid is separated into its constituent species by electrophoresis along a capillary channel. A plurality of the channels is provided in the thickness of an injection molded plastics disc. The...
6131072 Lane tracking system and method  
A system and method for identifying lanes in images generated from DNA sequencing and fragment analysis is described. One example method includes a computer implemented method of determining the...
6126804 Integrated polymerase chain reaction/electrophoresis instrument  
A new approach and instrument for field identification of micro-organisms and DNA fragments using a small and disposable device containing integrated polymerase chain reaction (PCR) enzymatic...
6120666 Microfabricated device and method for multiplexed electrokinetic focusing of fluid streams and a transport cytometry method using same  
A microfabricated device and method for electrokinetic transport of a liquid phase biological or chemical material is described. In accordance with one aspect of the present invention there is...
6120665 Electrokinetic pumping  
The invention provides a method of changing the electrode-based pumping parameters of a liquid, the method comprising (a) selecting a pumping additive based on the pumping pressure, pumping flow...
6113768 Ultraminiaturized surface structure with controllable adhesion  
An ultra-miniaturized surface structure with controllable adhesion having extremely miniaturized (in the sub atomic range) planar electrode strips applied to the surface to which high frequency...
6107038 Method of binding a plurality of chemicals on a substrate by electrophoretic self-assembly  
An electrophoretic technique is provided for moving a plurality of chemicals into distinct zones for immobilization on a solid surface. The technique includes introducing a first electrolyte and a...
6103199 Capillary electroflow apparatus and method  
The present invention concerns an apparatus for conducting a microfluidic process. The apparatus comprises integral first and second plates. The first plate comprises an array of sample receiving...
6093296 Method and device for moving molecules by the application of a plurality of electrical fields  
Devices and methods are disclosed for moving charged molecules through a medium by the application of a plurality of electrical fields of sufficient strength and applied for sufficient amounts of...
6086243 Electrokinetic micro-fluid mixer  
A method and apparatus for efficiently and rapidly mixing liquids in a system operating in the creeping flow regime such as would be encountered in capillary-based systems. By applying an electric...
6059950 Travelling wave particle separation apparatus  
Travelling wave particle separation apparatus is provided having a flat spiral of electrodes (1,2,3,4) or a helix of similar electrodes on a cylindrical former. Only four electrical connections...
6056860 Surface modified electrophoretic chambers  
Electrophoretic chambers having at least a region of surface modification, and methods for their fabrication, are provided. In some embodiments the subject chambers include in the region of surface...
6056861 Process and device for generating resonance phenomena in particle suspensions  
A method and a device for position and/or type-selective control of the position and/or change of position of suspended particles in a multielectrode system by the effect of polarization forces...
6042709 Microfluidic sampling system and methods  
The present invention provides for techniques for transporting materials using electrokinetic forces through the channels of a microfluidic system. The subject materials are transported in regions...
Matches 251 - 300 out of 402 < 1 2 3 4 5 6 7 8 9 >