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Gel electrophoresis type

Subclass of:

204 - Chemistry: electrical and wave energy

204193000 - APPARATUS

204600000 - Electrophoretic or electro-osmotic apparatus

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
204606000 Gel electrophoresis type 44
20090134031Electrophoresis membrane support and manifold unit - An electrophoresis membrane support comprising a substantially planar member having four boundaries. an upper face and a lower face; an inlet port disposed near one boundary; an outlet port disposed opposite the inlet port near an opposite boundary; spacers positioned between the inlet port and outlet port adapted to support a membrane positioned on the upper face or on the lower face of the member; interstitial space disposed between the spacers capable of allowing flow of fluid therein; inlet means in fluid communication with the inlet port and the interstitial space; outlet in fluid communication with the interstitial space and the inlet port, the inlet and outlet means adapted to allow flow of fluid along the interstitial space; first flow port disposed near one boundary; and second flow port disposed opposite the first flow port near an opposite boundary, the first and second flow ports direct flow of fluid to or from the electrophoresis apparatus.05-28-2009
20090145762SYSTEM FOR TWO-DIMENSIONAL (2D) GEL ELECTROPHORESIS - The invention relates to a system for two-dimensional gel electrophoresis, wherein in at least one dimension of the electrophoresis, the functional core part thereof is formed essentially of Corian material. Furthermore, at least one electrode is preferably designed in a mobile manner in the first dimension, so that it can be adapted to varying lengths of gel.06-11-2009
20110114493ELECTROPHORESIS CASSETTE - A pre-packaged electrophoresis cassette (05-19-2011
20120043212REAL-TIME FLUORESCENT ELECTROPHORESIS APPARATUS - A real-time fluorescent electrophoresis apparatus, comprising: an electrophoresis tank comprising a platform, an electrophoresis liquid, a positive electrode and a negative electrode, the platform carrying a gel with a biological sample, the gel comprising a plurality of charged molecules of the biological sample, and the gel, the platform, the positive electrode and the negative electrode being immersed in the electrophoresis liquid; and a lid covering the electrophoresis tank and comprising a filter disposed above the gel and at least one luminous element disposed on at least one side of the filter to irradiate the gel so that the biological sample in the gel is excited to fluoresce. Thereby, the experimenter is able to observe fluorescence phenomenon from the biological sample during electrophoresis so as to trace the electrophoresis process and determine whether the electrophoresis process is to be interrupted and avoid experimental errors.02-23-2012
20130161194NANOPORE DEVICE, METHOD OF FABRICATING THE SAME, AND DNA DETECTION APPARATUS INCLUDING THE SAME - A nanopore device including a nanopore formed by penetrating a thin layer, a nanochannel formed at an entrance of the nanopore, and a filler in the nanochannel, as well as a method of fabricating the nanopore device and an apparatus including the nanopore device.06-27-2013
20140061050SYSTEM FOR RAPID HIGH-RESOLUTION GEL ELECTROPHORESIS - Electrophoretic systems, formulations and methods are described which allow a user to perform electrophoresis experiments under conditions of high voltage and with reduced run time. An electrophoretic system, formulation or method may be run at 50% higher field strength than comparable systems already in use in the art. The presently described systems and formulations may be run at voltages above 225 V, above 250 V, above 275 V, above 300 V, above 325 V or above 350 V. The time required for performing an electrophoresis experiment may be reduced to less than about 30 minutes, less than about 20 minutes, less than about 15 minutes or less than about 12 minutes.03-06-2014
20140102904APPARATUS AND METHODS FOR CONCENTRATING AND SEPERATING PARTICLES SUCH AS MOLECULES - Particles of interest, such as DNA molecules, are injected into a medium by applying a first field. Once in the medium the particles are concentrated by applying one or more fields that cause mobilities of the particles in the medium to vary in a manner that is correlated with motions of the particles. Particle injection and particle concentration may be performed concurrently or in alternation.04-17-2014
20140110261CHIP FOR ELECTROPHORESIS AND METHOD FOR PRODUCING SAME04-24-2014
20140339091GEL CASSETTE ADAPTOR - A gel cassette adaptor for use with an electrophoresis system gel cassette is disclosed herein. The gel cassette adaptor allows a single gel cassette to be compatible with more than one electrophoresis system. In one example embodiment, the gel cassette adaptor includes an open sided trough having an attachment perimeter and an attachment flange coupled to the attachment perimeter. The attachment flange is designed to be compatible for mating with a gel cassette that is compatible with a first electrophoresis system. After attachment of the gel cassette adaptor, the resulting gel cassette assembly is compatible with a second electrophoresis system. Also provided is a gel cassette that includes a stabilizer post that connects the cassette plates to maintain a constant gap width between the plates during electrophoresis. In reducing deformation of the gap space between plates during gel runs, the stabilizer post can improve electrophoresis results for wide format gels.11-20-2014
20160025676COMPOSITIONS AND METHODS FOR IMPROVING RESOLUTION OF BIOMOLECULES SEPARATED ON POLYACRYLAMIDE GELS - Gels, such as polyacrylamide gels, are provided that include linear polyacrylamide in the stacking gel. Native gels that include linear polyacrylamide in the stacker can be used to separate biomolecular complexes, such as protein complexes. Gel cassettes in which the gap width between front and back plates does not vary by more than 5% at the upper edge of the cassette are also provided. The gel cassettes can be used for electrophoretic separation of proteins and protein complexes on native gels, such as native gels that include linear polyacrylamide in the stacker. The native gels can have multiple wells for electrophoresing at least one sample and/or at least one molecular weight standard.01-28-2016
204608000 With programmed, cyclic, or time responsive control means 1
20130277223METHODS AND APPARATUS FOR PARTICLE INTRODUCTION AND RECOVERY - Particles may be injected into a matrix for concentration by scodaphoresis using a quadrupole injection field. Particles may be injected from two or more sample chambers simultaneously. Particle injection may be performed simultaneously with performing scodaphoresis. In some embodiments the particles are concentrated into a well containing fluid. The well can extend out of a plane of the matrix. Altering the relative phases of components of a scodaphoresis field permits concentration of selected particles and exclusion of other particles. Scodaphoresis methods may be applied to DNA, other bio-molecules and other particles.10-24-2013
204610000 Isoelectric focusing (i.e., uses pH variation) 3
20100163416ELECTRODIC BRIDGE - The present invention relates to an electrode bridge or sample application bridge for use in electrophoresis, preferably isoelectric focusing, IEF. More closely, the invention relates to an electrodic bridge or sample loading bridge for preventing denaturant depletion from the IPG (immobilised pH gradient) gel and, optionally, for loading samples onto the IPG gel. The pH of the bridge is adjustable for adoption to positioning at the acid as well as basic end of the IPG strips.07-01-2010
20120273360INSTRUMENT FOR ELECTROPHORESIS AND ELECTROPHORESIS APPARATUS - An instrument for electrophoresis includes a sample-separating portion in which a slab sample-separating medium that separates a sample is provided. The instrument for electrophoresis includes a sample-transporting portion that transports a sample-containing medium containing the sample to the sample-separating portion. The instrument for electrophoresis includes a positioning portion that is provided to the sample-separating portion and/or the sample-transporting portion and used for connecting the sample-transporting portion to a predetermined position of the sample-separating portion.11-01-2012
20140374260TWO-DIMENSIONAL ELECTROPHORESIS KIT, METHOD FOR MANUFACTURING TWO-DIMENSIONAL ELECTROPHORESIS KIT, TWO-DIMENSIONAL ELECTROPHORESIS METHOD, AND TWO-DIMENSIONAL ELECTROPHORESIS CHIP - With intent to increase the number of sample spots separated through two-dimensional electrophoresis and to enhance the intensity in detection of the spots, a two-dimensional electrophoresis kit includes a first medium 12-25-2014
204612000 With detailed detection system (e.g., including a light source and a camera, etc.) 9
20100140094Gel excitation apparatus - A gel excitation apparatus for exciting a gel that includes a container for holding an aqueous solution within which the gel can be positioned, at least one light source disposed proximate the container for irradiating the gel with radiation within at least a first wavelength band, the first wavelength band selected to excite the gel to cause the gel to emit radiation into said aqueous solution. The aqueous core of the apparatus functions not only to increase the efficiency of excitation, but also increases the contrast between excitation light and sample emission light.06-10-2010
20110253541Illuminator for Visualization of Fluorophores - The present invention discloses apparatuses and methods for the visualization of fluorophores in biological systems such as electrophoresis gels and cell cultures. Preferred embodiments of the apparatuses consists of a tray or tank having one or more light sources disposed to direct light through an electrophoresis gel disposed within the vessel such that the luminescence from fluorophores in the gel are easily visualized.10-20-2011
20110308954Gel excitation apparatus - A gel excitation apparatus for exciting a gel that includes a container for holding an aqueous solution within which the gel can be positioned, at least one light source disposed whereas the light path is perpendicular to the optical axis, the container for irradiating the gel with radiation within at least a first wavelength band, the first wavelength band selected to excite the gel to cause the gel to emit radiation into said aqueous solution. The aqueous core of the apparatus has a low refractive index, thus retaining the first wavelength band selected within said aqueous core to excite the gel. Thus, the aqueous core functions not only to increase the efficiency of excitation, but also increases the contrast between excitation light and sample emission light by retaining the light within said aqueous core.12-22-2011
20130075261ELECTROPHORETICALLY ENHANCED DETECTION OF ANALYTES ON A SOLID SUPPORT - The present embodiments provide systems, kits and methods suitable for performing dry or substantially dry electro-blotting analyses on immobilized protein or nucleic acid samples. Electro-blotting performed according to the presently described embodiments may include a step whereby detection of one or more immobilized proteins or nucleic acids is electrophoretically accelerated. Methods for performing electro-blotting of immobilized proteins or nucleic acids may include applying an electric voltage to one or more reagents typically used in protein or nucleic acid blotting procedure. The one or more reagents may be absorbed on a suitable carrier matrix. Electro-blotting performed in accordance with the systems and methods described herein may be performed under substantially dry conditions (i.e., with little or no aqueous buffers).03-28-2013
20130112562Real-time observable electrophoresis system which does not require any kind of light filter - This invention avoids the need for UV light as well as all the various filters utilized by prior systems while allowing real-time observation and recording of molecules during electophoresis. This invention is a real-time observable electrophoresis system that avoids the use of light filters as the activation of fluorescent dyes is done by LEDs that give off visible light with a certain wavelength, instead of ultraviolet light, which are positioned not on the top or bottom of the electrophoresis gel but on the sides. The background light that is observed in some gels is eliminated by the image analyzing computer software. This system eliminates the need to filter the wavelength of the activating light and enables the observation and recording of the molecules during the entirety of the electrophoresis.05-09-2013
20140158541Transilluminator Base and Scanner for Imaging Fluorescent Gels - Cassette electrophoresis systems that allow viewing of molecules during the electrophoresis run are disclosed. Cassette electrophoresis bases that reversibly engage light sources, such as light source bases are disclosed. Also disclosed are visible light transillumination systems for viewing a pattern of fluorescence emitted by fluorophores comprising a cassette housing fluorophore-containing material and a base unit to support the cassette. In some aspects the base unit that includes a power supply also houses a light source having output in the visible wavelength region and a filter placed between the light source and the fluorophores. The system is constructed and arranged such that patterns of fluorescence emitted by the fluorophores are viewable.06-12-2014
20140332389KIT FOR CO-PURIFICATION AND CONCENTRATION OF DNA AND PROTEINS USING ISOTACHOPHORESIS - A kit for separating and concentrating nucleic acid and protein targets includes labeled reagents which affect simultaneous co-purification and concentration of a nucleic acid and a protein, a gel isotachophoresis separation unit to which a sample comprising the nucleic acid and the protein is added, a detection unit for the detection of the presence of the nucleic acid and the protein, and instructions for use. The gel electrophoresis includes a gel box having a negative electrode side and a positive electrode side, the negative electrode side being filled with a first buffer comprising 2-Hydroxy-N-(tris(hydroxymethyl)methyl)-3-aminopropanesulfonic acid buffer and the positive electrode side being filled with a second buffer being different than the first buffer. The gel isotachophoresis separation is configured to subject the sample to isotachophoresis using a voltage.11-13-2014
20150346146ELECTROPHORESIS METHOD AND ELECTROPHORESIS DEVICE - To provide an electrophoresis method and an electrophoresis device which can reduce difficulty in operation while implementing sufficient staining. An electrophoresis device includes a temperature gradient tank, a dispenser, a holder storage cabinet, a photographing unit, a PCR device, a chip rack, a chip disposal box, a DC power unit, a control unit, an arm, and a liquid feeder. A holder and a cassette removably attached to the holder are put on the temperature gradient tank. The control unit controls a carrying device, the arm, the liquid feeder, the temperature gradient tank, an excitation light source and a camera in the photographing unit, and the DC power unit. The control unit prestores a program for executing the control operation in its internal memory.12-03-2015
20170234832ELECTROPHORESIS DEVICE, METHOD FOR MANUFACTURING ELECTROPHORESIS DEVICE, AND DEVICE FOR SEPARATING EXTRACELLULAR VESICLES08-17-2017
204613000 With means for posttreatment of gel to purify or recover a desired component 2
204614000 Blotter (e.g., membrane, etc.) 2
20130248370METHODS FOR SEPARATION AND IMMUNO-DETECTION OF BIOMOLECULES, AND APPARATUS RELATED THERETO - Disclosed are methods and apparatus for separation of biomolecules via two-dimensional gel electrophoresis, methods and apparatus for immunoblotting separated biomolecules, and methods for the use of biomolecules processed via the methods and apparatus of the present invention, including use in a clinical setting. The methods and apparatus for separation of biomolecules via two-dimensional gel comprises vertical agarose gel electrophoresis in the first dimension, and the electrophoresis of a novel non-denaturing 3-35% concave gradient polyacrylamide gel in the second dimension. This novel gel can be cast in a modified gel caster that can facilitate the pouring of multiple gels simultaneously. The methods and apparatus for immunblotting are useful with any type of immunoblotting, including Western blot, Northern blot, and Southern blot analyses. These methods and apparatus provide safe, efficient and cost-effective immunoblots, while facilitating the reduction of exposure to toxic or radioactive materials, as well as the disposal of those materials.09-26-2013
20160377574INTEGRATED SYSTEM FOR ELECTRO-BLOTTING - An integrated system for performing electro-blotting, probing and drying of the membrane is disclosed. The integrated system comprises a transfer unit for receiving one or more transfer sandwich holder. Each transfer sandwich holder holding a transfer sandwich comprises a gel member and the membrane. The transfer unit is configured to transfer samples from the gel member to the membrane. The integrated system also includes a probing unit for receiving the membrane therewithin. The membrane is exposed to a plurality of antibodies for binding with the samples in the membrane. A drying unit is also present for drying the membrane with hot air.12-29-2016
204615000 Unitary preparation apparatus (e.g., preparative means, etc.) 1
20130334050Main Body Of Electrophoresis Device Having Glass Gel Cell Fast Assemble Structure - A electrophoresis device having glass gel cell fast assemble structure is provided, including a main body, a pair of electrode connection terminals attached to the main body, and side clamping parts pivotally connected to the main body on respective side of the main body for maintaining at least one glass gel cell to a surface of the main body. At least one sealing and positioning structure is provided on a surface of the main body including a U-shaped sealing strip partially inlayed on at least one surface of the main body, and at least a pair of positioning poles perpendicularly attached to the main body, wherein the U-shaped sealing strip having a U-shaped body to form a seal between the main body and the gel cell, and positioning protrusions formed on the respective free end of the U-shaped body.12-19-2013
204616000 Slab gel 18
20080217178Double Chamber Tank for Horizontal Gel Electrophoresis - A tank apparatus (09-11-2008
20090308751WELDED ELECTROPHORESIS CASSETTE WITHOUT LEAKAGE-PRONE WELD LINE - A slab gel cassette is formed from generally flat plates welded together along their borders with a gel space between the plates that is open at the top and bottom edges of the plates to expose the opposing ends of a gel in the gel space to buffer solutions in which electrodes are immersed. The plates are shaped such that the weld line does not intersect with the bottom opening of the gel space. Sealing of the bottom of the gel space, which is necessary for gel casting, is achieved by placing a sealing strip over the bottom opening with no danger of leakage of the gel solution along a weld line.12-17-2009
20100059380APPARATUS FOR CONCURRENT ELECTROPHORESIS IN A PLURALITY OF GELS - Apparatus and methods for conducting electrophoretic separation concurrently in a plurality of gels with improved reproducibility among the gels.03-11-2010
20100236932Electrophoresis Gel and Method of Making Same - An electrophoresis gel has a colored or pigmented loading area at one edge having a plurality of sample wells for receiving samples, the loading area extending beyond the ends of the wells so that the wells can be visually differentiated from the surrounding colored material in the loading area. The remainder of the gel is transparent or substantially transparent.09-23-2010
20110073478SYSTEM FOR RAPID HIGH-RESOLUTION GEL ELECTROPHORESIS - Electrophoretic systems, formulations and methods are described which allow a user to perform electrophoresis experiments under conditions of high voltage and with reduced run time. An electrophoretic system, formulation or method may be run at 50% higher field strength than comparable systems already in use in the art. The presently described systems and formulations may be run at voltages above 225 V, above 250 V, above 275 V, above 300 V, above 325 V or above 350 V. The time required for performing an electrophoresis experiment may be reduced to less than about 30 minutes, less than about 20 minutes, less than about 15 minutes or less than about 12 minutes.03-31-2011
20110127166SYSTEM FOR PH-NEUTRAL STABLE ELECTROPHORESIS GEL - A gel and buffer system for gel electrophoresis wherein separation occurs at neutral pH.06-02-2011
20140138248POLYACRYLAMIDE ELECTROPHORESIS GELS WITH PROTECTION AGAINST OXYGEN EXPOSURE - The detrimental effect of oxygen exposure on the formation of polyacrylamide electrophoresis gels in oxygen-permeable plastic cassettes is reduced or eliminated either by the use of an oxygen barrier material over the surfaces of the plastic walls of the cassette through which oxygen would otherwise pass into the cassette cavity, or by the incorporation of an oxygen scavenger in the plastic from which the cassette walls are made, or both.05-22-2014
20150144492ELECTROPHORESIS GEL CASSETTE WITH AT LEAST ONE REMOVABLE SECTION - Electrophoresis gel cassette comprising a first and a second face wall member and one or more side wall members, defining a gel compartment for a gel member with a first and second face, wherein the first face wall member has high gel adhesion compared to the second face wall member, whereby a gel member molded in the cassette will stay attached to the high gel adhesion face wall member when the cassette is opened, and wherein the first face wall member is provided with at least one removable section to expose a section of the first face of the gel member, the removable section of the first face wall member having lower gel adhesion compared to the non-removable part of the first face wall member.05-28-2015
204618000 Vertical or inclined 4
20080202935Apparatus and Method for Performing Vertical Electrophoresis - An apparatus for performing vertical electrophoresis comprises a main body, a pair of gel plates, a pair of clamping devices, and a lower buffer tank. The clamping devices are slidably attachable to the sides of the main body between a loading position for allowing the gel plates to be inserted into the main body, and a locking position for allowing secure attachment of the gel plates to the main body by a single horizontal sliding movement.08-28-2008
20160011147EXPANDING CAM LOCK FOR SEALING SLAB GELS IN AN ELECTROPHORESIS APPARATUS01-14-2016
204619000 With gel shaping or molding means (e.g., comb, ribbed insert, gel injectors, etc.) 2
20120205247Vertical slice gel electrophoresis cell - In the present innovated vertical slice gel electrophoresis cell, at least one piece of large diameter screw urging ring is held to face to one U-shaped side opening of an upper buffer chamber, but an interval is left therebetween. After inserting a gel cassette into the interval, turning tight the screw urging ring can force at least one piece of gel cassette to join the upper buffer chamber tightly, no matter how thick the cassette is. In addition, some other materials are found also suitable for absorbing the Joule-heat after sealing them into dielectric shells respectively.08-16-2012
20160084797LEAK-PROOF GEL CASTING DEVICE FOR VERTICAL PROTEIN ELECTROPHORESIS SYSTEM - Disclosed is a leak-proof gel casting device for a vertical protein electrophoresis system which includes a gel caster which has a plurality of compartments and a sealing pad which is inserted to the compartments of the gel cater, and is formed to wrap around both sides and an edge of a lower side of a plate set. The present invention with a simple structure is capable of being manufactured at a low cost, does not require frequent replacement because of its long-term durability, and is highly effective in preventing the leakage of the gel placed in the gap between the plates.03-24-2016
204620000 With gel shaping or molding means (e.g., comb, ribbed insert, gel injectors, etc.) 6
20100200406In-situ Gel Casting Machine - An In-Situ gel casting machine comprising a gel casting stand (08-12-2010
20110042217ELECTROPHORESIS GEL CASSETTE AND COMB - Provided herein is an apparatus for gel electrophoresis comprising a cassette and a comb having at least one wedge-shaped tooth.02-24-2011
20140138249GEL ELECTROPHORESIS DEVICE FOR LOADING LARGE SAMPLE VOLUMES - A device for gel electrophoresis is provided having larger wells for loading an increased sample volume with improved gel resolution. The device includes a gel cassette having a front plate and a back plate, wherein at least one plate has a stepped inner surface to create a wider opening at the top of the gel cassette, a gel matrix, and a comb with teeth having a thickness substantially equal to the spacing at the top opening of the gel cassette. Using this device, the sample volume in each well can be increased and the sample height in each well can be significantly reduced, as compared to loading the same volume in the wells of a standard gel cassette.05-22-2014
20140231260ELECTROPHORESIS GEL CASSETTE AND COMB - Provided herein is an apparatus for gel electrophoresis comprising a cassette and a comb having at least one wedge-shaped tooth.08-21-2014
20140332390PREFABRICATED, SELF-CONTAINED GEL ELECTROPHORESIS MODULE - An electrophoresis system is provided. The system includes a buffer chamber box having a front surface. The buffer chamber box is divided into a first chamber and a second chamber by a divider. The system also includes a gel plate. A gel chamber is formed by the gel plate and the front surface of the buffer chamber box. The first chamber has a first electrode and a first conductive path member. The second chamber has a second electrode and a second conductive path member.11-13-2014
20180024094ELECTROPHORESIS GEL CASSETTE AND COMB01-25-2018

Patent applications in all subclasses Gel electrophoresis type

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