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7586091 Mass spectrometric system and mass spectrometry  
After a sample is previously separated into plural components in a channel formed in a microchip ( 353 ), the channel is irradiated along a separation direction with a laser beam from a laser...
7578915 Multichannel microscale system for high throughput preparative separation with comprehensive collection and analysis  
A modular multiple lane or capillary electrophoresis (chromatography) system that permits automated parallel separation and comprehensive collection of all fractions from samples in all lanes or...
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...
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...
7528369 Charged droplet spray probe  
An improved sample introduction probe is disclosed for the production of ions from liquid sample solutions in an electrospray ion source. Nebulization of a liquid sample emerging from the end of an...
7513984 Capillary array electrophoresis apparatus  
When irradiating laser beam from the side face of the capillary array, an optical axis of the laser beam is inclined in vertical direction with respect to a plane face formed by the capillary...
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...
7497934 System and method  
An analysis system for and method of enabling determination of the velocities of migrating objects and also classifying migrating objects into groups having a common constraint. In one aspect the...
7473893 ICP/ESI mass spectrometry systems and methods of use thereof  
Briefly described, embodiments of this disclosure include mass spectrometry systems and methods of performing molecular mass spectrometry and elemental mass spectrometry using a single mass...
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...
7452507 Portable apparatus for separating sample and detecting target analytes  
Portable devices and methods for determining the presence of a target analyte using a portable device are provided. The portable device is preferably hand-held. A sample is injected to the portable...
7449097 Electrophoretic mobility measuring apparatus  
The present invention provides an electrophoretic mobility measuring apparatus capable of conducting measurement with high sensitivity with optical attenuation reduced by incidence of light through...
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...
7438792 Separation system with a sheath-flow supported electrochemical detector  
An electrochemical detector including side channels associated with a separation channel of a sample component separation apparatus is provided. The side channels of the detector, in one...
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...
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 substrate...
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,...
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...
7329333 Uniform laser excitation and detection in capillary array electrophoresis system and method  
A capillary electrophoresis system comprises capillaries positioned in parallel to each other forming a plane. The capillaries are configured to allow samples to migrate. A light source is...
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.
7282126 System and method for determining known DNA variants with temperature gradient electrophoresis  
The present invention relates to a method of determining the genotype of a sample polynucleotide having at least a first variant site. At least a portion of the sample polynucleotide is amplified...
7264702 Total analyte quantitation  
Methods for determining total analyte concentrations and amounts, especially in combination with analyte separations are provided. Microfluidic devices are used to separate analyte mixtures and...
7258775 Method and device for the qualitative and/or quantitative analysis of a protein and/or peptide pattern of a liquid sample that is derived from the human or animal body  
The invention relates to a method for the qualitative and/or quantitative analysis of a protein and/or peptide pattern of a liquid sample that is derived from the human or animal body. The proteins...
7250099 Optical detection alignment coupling apparatus  
An apparatus for aligning a capillary column with one or more excitation fibers and with one or more optical lens elements for Capillary Electrophoresis. The apparatus includes two identical blocks...
7250098 Multi-capillary array electrophoresis device  
An electrophoresis apparatus includes a multi-capillary array having a liquid or solid disposed between the capillaries of the array. The liquid or solid exhibits a refractive index higher than...
7244961 Integrated system with modular microfluidic components  
Modular fluidic microchips, systems integrating such microchips, and associated preparative and analytical methods are presented.
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...
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 device....
7195699 Electrophoresis member, production thereof and capillary electrophoresis apparatus  
An electrophoresis member is produced by laying a plurality of capillaries on an adhesive layer born on a support layer to form a capillary layer, laminating thereon a second support layer, and...
7125478 Microscale electrophoresis devices for biomolecule separation and detection  
The present invention relates to microfabrication and utilization of microscale electrophoresis devices as well as the separation and detection of biomolecules in microscale electrophoresis...
7118662 Electrophoresis apparatus  
The windows 5 a, 5 b 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...
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...
7112266 Multi channel capillary electrophoresis device and method  
Embodiments of a device and method are described which provide for control over the distortion of a sample zone upon exiting an electrophoresis separation channel. According to the teachings herein...
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 electrode...
7090758 Capillary array electrophoresis scanner  
An improved rotary confocal fluorescence scanner capable of detecting analytes separated on over a 1,000 capillaries simultaneously. This system uses a confocal microscope objective and mirror...
7060171 Methods and systems for reducing background signal in assays  
Methods and systems of monitoring reactions, e.g., assays, that filter out background signal from substrate, in detecting the product. The methods and systems controllably move detectable reaction...
7037417 Mechanical control of fluids in micro-analytical devices  
An apparatus for manipulating fluid samples comprises a micro-chip device having first and second covered channels, each channel having openings at both ends. The channels intersect to form a...
7033475 Electrophoretic apparatus  
An electrophoretic apparatus which can analyze multiple tests specimens and being comprised of an electrophoretic member having a relatively simple configuration of passages, such that one or a...
7029562 Capillary array electrophoresis apparatus  
The electrophoresis apparatus has plural capillaries for separating fluorephore-labeled samples by electrophoresis, fluorescence detecting parts provided in a part of these capillaries arranged in...
7015466 Electrosonic spray ionization method and device for the atmospheric ionization of molecules  
There is described a device and method for generating gaseous ions of a sample material such as molecules in solution at atmospheric pressure. The device includes a conduit for receiving a solution...
7010391 Methods and systems for control of microfluidic devices  
The present invention provides control methods, control systems, and control software for microfluidic devices that operate by moving discrete micro-droplets through a sequence of determined...
7002144 Transfer line for measurement systems  
An enhanced transfer system that increases the accuracy and sensitivity of a measurement system is disclosed. In one embodiment, the transfer system includes transfer tubing that transports samples...
6998251 Nanoporous membrane reactor for miniaturized reactions and enhanced reaction kinetics  
Reactors and methods for miniaturized reactions having enhanced reaction kinetics. In particular the subject matter is directed to chemical and biological reactions conducted in a nanoporous...
6991712 Spectral calibration of fluorescent polynucleotide separation apparatus  
The invention relates to methods, compositions, and systems for calibrating a fluorescent polynucleotide separation apparatus. One aspect of the invention is multiple color calibration standards...
6989085 Method for separation of compounds using cycling denaturing conditions  
A method for electrophoretic separation in separation channels in which the temperature of the channel is repeatedly cycled during the course of the separation.
6984525 Method for automated isolation of fractions in multichannel separation systems  
A method to collect a plurality of target zones from a plurality of channels. The method includes introducing a plurality of compound mixtures into a plurality of microchannels on a microfabricated...
6982029 Electrophoretic method and system having internal lane standards for color calibration  
An electrophoretic system having a plurality of separation lanes is provided with an automatic color calibration feature in which each lane is separately calibrated. For each lane, a dye matrix...
6974527 Multidimensional separations employing an array of electrophoresis channels  
The present invention relates to a method for separating components of a sample. The method includes obtaining a first separation of the sample components along a first dimension wherein the sample...
6969452 Two-dimensional protein separations using chromatofocusing and multiplexed capillary gel electrophoresis  
Disclosed is a two-dimensional protein separation method. It makes separating a protein sample by chromatofocusing into a plurality of aliquots, and then loading each aliquot into a separate...
6964736 Method and apparatus for analysis and sorting of polynucleotides based on size  
The invention relates to a microfabricated device and methods of using the device for analyzing and sorting polynucleotide molecules by size.
Matches 1 - 50 out of 255 1 2 3 4 5 6 >