Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8142635 | Capillary array A capillary array includes a light detection portion, a sample supply portion, a buffer solution supply portion and a voltage application portion which are necessary functions for electrophoresis, thereby, when assembling the capillary array into an electrophoresis ... | 03/27/2012 |
| 8128798 | Liquid transfer device A liquid transfer device electrically controls liquid position. The surface of the liquid transfer device is provided with unevenness in order to solve a problem of having a large number of electrodes for controlling voltage. The number of electrodes for controlling... | 03/06/2012 |
| 8114261 | Microfluidic device for electrochemically regulating pH of fluid A microfluidic device for electrochemically regulating the pH of a fluid includes: an ion-exchange material; an anode chamber having a surface defined by a surface of the ion-exchange material and an anode electrode disposed along an edge of the surface of the anode... | 02/14/2012 |
| 8092664 | Electrowetting-based valving and pumping systems The present teachings relate to microfluidic valves and pumping systems, which may be suitable for controlling and facilitating liquid flow. Electrodes are disposed proximately to volumes containing a liquid. The liquid flow can be facilitated by electrowetting forc... | 01/10/2012 |
| 8070928 | Nanofabricated structures for electric field-assisted nucleic acid extraction Embodiments of the invention provide devices and methods for extracting nucleic acid molecules from solution using electric fields. The structures and methods of embodiments of the invention are suited to incorporation into micro and nano fluidic devices, such as la... | 12/06/2011 |
| 8062492 | Method for analyzing protein A method for analyzing proteins with the use of electrophoresis is provided, which makes it possible to rapidly and conveniently analyze a great variety of proteins with high sensitivity. The method for analyzing a protein in a sample comprises setting a sample in a... | 11/22/2011 |
| 8038862 | Connecting structure of a liquid sending apparatus, fuel-cell type electricity generating apparatus, and electronic device Disclosed is a connecting structure of a liquid sending apparatus, including: an electroosmotic flow pump having first and second electrodes upstream and downstream of an electroosmosis material; a flow-path structure which defines with flow-paths for liquid upstrea... | 10/18/2011 |
| 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 hydrophilic-matrix films that have been microfabricated into a variety of mi... | 08/30/2011 |
| 7964077 | Automated two-dimensional electrophoresis apparatus and instrument constituting the apparatus The present invention is to provide a sample separation instrument used in a sample separation apparatus which includes: holding means for holding a first medium supporter which supports a first medium; and driving means for moving fixing means or the holding means ... | 06/21/2011 |
| 7964076 | Manufacturing method of electrophoretic display sheet, manufacturing method of electrophoretic display device, electrophoretic display device, and electronic apparatus A method of manufacturing an electrophoretic display sheet, comprising: forming a wall material on a first substrate, the wall material defining a disposing region; disposing a plurality of microcapsules to the disposing region, each of the plurality of microcapsule... | 06/21/2011 |
| 7943030 | Actuators for microfluidics without moving parts A series of microactuators for manipulating small quantities of liquids, and methods of using these for manipulating liquids, are disclosed. The microactuators are based on the phenomenon of electrowetting and contain no moving parts. The force acting on the liquid ... | 05/17/2011 |
| 7938946 | Vortex-stabilized electrophoretic devices and methods A vortex-stabilized electrophoretic processor comprises an annular processing chamber at least partly defined by concentric first and second processing chamber surfaces. At least one of the processing chamber surfaces is rotatable relative to the other processing ch... | 05/10/2011 |
| 7938947 | Flow control device, microreactor and use thereof A microreactor containing a plurality of introduction channels 21 and 22 for introducing a plurality of liquids, a merging section 23 for merging the plurality of introduction channels 21 and 22, and a reaction channel 41 lo... | 05/10/2011 |
| 7927477 | Precision flow control system A precision flow controller is capable of providing a flow rate less than 100 microliters/minute and varying the flow rate in a prescribed manner that is both predictable and reproducible where the accuracy and precision of the flowrate is less than 5% of the flow r... | 04/19/2011 |
| 7909974 | Layer composition of an electrowetting system A layer composition of an electrowetting system with a first electrode layer, an insulator layer on the first electrode layer, and a fluid layer over the insulator layer, wherein the fluid layer comprises at least two immiscible fluids which, under the influence of ... | 03/22/2011 |
| 7857957 | Integrated portable biological detection system We have performed separation of bacterial and cancer cells from peripheral human blood in microfabricated electronic chips by dielectrophoresis. The isolated cells were examined by staining the nuclei with fluorescent dye followed by laser induced fluorescence imagi... | 12/28/2010 |
| 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 into upstream and downstream regions. When a voltage potential is appl... | 09/21/2010 |
| 7785458 | Capillary array A capillary array includes a light detection portion, a sample supply portion, a buffer solution supply portion and a voltage application portion which are necessary functions for electrophoresis, thereby, when assembling the capillary array into an electrophoresis ... | 08/31/2010 |
| 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 and 430-445) placed ... | 08/03/2010 |
| 7722753 | Electrophoresis plate An electrophoresis plate has a plurality of separation channels provided inside a substrate. The separation channels are arranged along the surface of the substrate without intersecting each other, and the separation channels have openings on both ends on the substr... | 05/25/2010 |
| 7722752 | Variable charge films for controlling microfluidic flow A microfluidic device for carrying a liquid, the device comprising a microfluidic channel having an interior wall and a polyelectrolyte film on the interior wall whereby liquid carried by the channel contacts the polyelectrolyte film, the polyelectrolyte film having... | 05/25/2010 |
| 7695603 | Electroosmotic flow controller Electroosmotic flow controllers and methods of fluid flow control are described. The invention uses an electroosmotically generated flow component in conjunction with a pressure driven flow component to modulate fluid flow. The devices and methods of the invention m... | 04/13/2010 |
| 7666287 | Method for preparing an electrokinetic element A method for preparing an electrokinetic element is provided and generally includes providing a porous membrane adapted for use in an electrokinetic pump and encapsulating the porous membrane within a polymer substrate to yield an electrokinetic element base member ... | 02/23/2010 |
| 7648619 | Hydrogel-driven micropump A hydrogel-driven micropump, comprising: two fluid chambers; a fluid channel, connecting the two fluid chambers; a first substrate plate and a second substrate plate, which are glass wafers produced by micromechanical working, each having accommodation chambers whic... | 01/19/2010 |
| 7632388 | Liquid actuator A liquid actuator, which contains: an electrolyte layer (14, 114) containing a liquid, two or more electrically separated electrode parts (13a, 13b, 113a, 113b) on one or both sides of the electrolyte la... | 12/15/2009 |
| 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 separated, the molecules being injected into the region by an injection ... | 10/06/2009 |
| 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) emulsion that creates a 3-dimensional network characterized by small ... | 02/10/2009 |
| 7465382 | Precision flow control system A precision flow controller is capable of providing a flow rate less than 100 microliters/minute and varying the flow rate in a prescribed manner that is both predictable and reproducible where the accuracy and precision of the flowrate is less than 5% of the flow r... | 12/16/2008 |
| 7462268 | Particle/cell separation device and compositions A particle/cell separation device is described which is particularly adapted for neutrophil depletion from a preparation of whole blood or platelet-rich plasma. Also described are blood and platelet rich plasma compositions produced using the device which are neutro... | 12/09/2008 |
| 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 flow at the end of a discharge channel (14) of the micro... | 10/21/2008 |
| 7435388 | Applicator of a fluid sample on a substrate Applicator of a fluid sample on a substrate, wherein at least an applying blade substantially of rectangular shape in its turn defining a body of the blade, a tip of the blade and two facing side edges of the blade, wherein each blade has a drain of the body of the ... | 10/14/2008 |
| 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 are colored a first color, while the dispersion medium is colored a s... | 10/14/2008 |
| 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 differently under different operating conditions, such as externally ... | 09/30/2008 |
| 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 larger than the molecule to be separated, while the thin region is s... | 09/23/2008 |
| 7425254 | 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 having two different fields at different orientations is applied. The alt... | 09/16/2008 |
| 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 more surfaces. Electrodes are provided for generation of a spatially no... | 09/02/2008 |
| 7419575 | Microfluidic systems and methods for transport and lysis of cells and analysis of cell lysate Microfluidic systems and methods are disclosed which are adapted to transport and lyse cellular components of a test sample for analysis. The disclosed microfluidic systems and methods, which employ an electric field to rupture the cell membrane, cause unusually rap... | 09/02/2008 |
| 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 outlet side. The separation chamber is divided into two chamber p... | 07/15/2008 |
| 7399398 | Variable potential electrokinetic devices Variable potential electrokinetic devices and electrokinetic multipliers used for pumping and flow control are disclosed that offer improvements in safety and design flexibility. The devices of the present invention take advantage of combinations of pumping conduits... | 07/15/2008 |
| 7397597 | Electrophoretic display panel An electrophoretic display panel for displaying a picture has a pixel having an electrophorectic medium having first and second charged particles, the first charged particles having a first optical property, the second charged particles having a second optical prope... | 07/08/2008 |
