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Matches 201 - 250 out of 275 < 1 2 3 4 5 6 >


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5139637 Plasmid purification system and method  
An apparatus for the purification of DNA and the like comprises a housing having walls forming a reservoir having a plurality of chambers for containing a buffer solution means for circulating a...
5106477 Electrophoresis buffer circulation apparatus  
A fluid circulation apparatus for an electrophoresis device is disclosed. The fluid circulation device has an electrode gas retaining means communicating with the two reservoirs of the...
5106472 Electrophoresis gel layer interface  
A thermally conductive, electrically insulating interface adapted to be interposed between the heat conductive metal floor of an electrophoresis chamber and an electrophoresis plate for conducting...
5085758 Container for electrophoretic gel  
An electrophoretic gel container for protecting an electrophoresis plate during shipment and storage, the electrophoresis plate being the type including a substrate having a major surface and a gel...
5078853 Segmented electrophoretic separation system useful for lipid profiling  
A diagnostic device is provided where the preferred embodiment is useful for sorting seric or plasmatic lipoproteins into four cholesterol fractions. The device comprises a plurality of gel...
5074981 High speed gel electrophoresis  
A method and apparatus for high speed gel electrophoresis employing elevated voltage values and relatively short time periods. There is disclosed a gel block having special geometry and including...
5071531 Casting of gradient gels  
A method and apparatus are presented for the casting of gradient gels, without voids, in confined support structures such as thin slab-type configurations. Furthermore, by using a differential...
5066377 Method and device for producing a controllable and reproducible temperature gradient and use thereof  
A method and a device for producing a controllable and reproducible temperature gradient in a predetermined direction of heat-conducting plates for the separation of mixtures of substances in...
5064769 Immunoassay of apolipoprotein-B of low density lipoproteins in plasma  
Method of assaying the apolipoprotein B (apo B) of low density lipoproteins (LDL) in serum enabling the performance successively, in a single operation, of separation of the LDLs from other...
5047136 Apparatus for electrophoretic separation of high-molecular DNAs in a gel  
The apparatus comprises electrophoresis chamber (1) with positioned therein along the sides of a rectangle electrode groups (2,3,4,5) of equidistantly positioned electrodes. One pair of subtending...
5045164 Electrophoresis plate for diverting generated fluid  
An improved electrophoresis plate of the type including a base layer of an electrophoretic medium and opposed thickened ends made of an electrophoretic medium containing a desired fluid, such as a...
5041203 Apparatus and procedure for rotating gel electrophoresis  
An apparatus and a procedure for fractionating DNA using agarose gel electrophoresis is provided. To improve resolution by length and conformation, the direction of the electric field impressed...
5039386 Electrophoretic method for preparative separation of charged molecules in liquids  
The method for electrophoretic transport of at least one solute from a first solvent stream to a second solvent stream utilizes an apparatus having a housing, a pair of electrodes positioned with...
5011586 Constrained uniform field gel electrophoresis  
A gel electrophoresis apparatus for separating DNA molecules of high molecular weight having means for generating at least two electric fields oriented transversely to each other, and a gel box,...
4985128 Process for preparation of electrophoresis  
Describes a process for controlling the polymerization and cross-linked density of electrophoretic gel products useful for separation of bioorganic molecules, which process does not use initiators...
4975170 Back support for an electrophoresis gel plate assembly  
An improved gel plate assembly for electrophoresis, is described. It comprises glass-like sheet supports between which is placed the gel, at least the back support being a composite comprising a...
4954237 Automatic electrophoresis apparatus  
An automatic electrophoresis machine is provided with a path for refrigerated air to pass over the agarose gel of a support medium during the time that electrophoresis current is applied to the...
4938080 Automatic pipetting apparatus  
An automatic pipetting apparatus is disclosed having a base on which is mounted a vertical frame supporting a row of positive displacement pipettes which are driven in the up or down direction by...
4908112 Silicon semiconductor wafer for analyzing micronic biological samples  
An analytical separation device in which a capillary sized conduit is formed by a channel in a semiconductor device and the channel is closed by a glass plate. Electrodes are positioned in the...
4897306 Medium for electrophoresis  
An improvement of a medium for electrophoresis which comprises a support of a plastic material and an aqueous polyacrylamide gel, wherein a resin layer comprises a resin having an oxygen...
4892639 Electrophoresis plate and method of making same  
An improved electrophoresis plate and method of making same includes a plate having an inert substrate and an electrophoretic medium formed on the substrate. The electrophoretic medium includes, as...
4863582 Process and apparatus for purifying and concentrating DNA from crude mixtures containing DNA  
In an apparatus for purifying and concentrating DNA, from a crude mixture containing DNA, a unitary collection cup for collecting the DNA from a lysate sample is provided; also, a retainer member...
4844786 Means for electrophoresis  
A means for electrophoresis suitably employable for analysis of biopolymers such as proteins, as well as for determination of base sequence of DNA, RNA, their fragments, and their derivatives is...
4844787 Packaging bag for sheets for electrophoresis  
A packaging bag for a sheet for electrophoresis comprising a polyethylene resin layer containing more than 50 wt. % of polyethylene resin having a density of 0.935 to 0.970 g/cm3 and a melt index...
4839016 Curved surface cassette/gel system  
A curved-surface cassette/gel system is disclosed in which the walls of a cassette and the major surfaces of a slab-shaped electrophoresis gel in the cassette coact to substantially exclude liquid...
4828670 Electrophoretic support medium and method of making same  
An electrophoretic support medium and method of making the same are disclosed for use in the analysis of ionizable compounds to be made by subjecting a sample to an electrical potential. The...
4759838 Container for an electrophoretic support medium  
A container for protecting and enclosing an electrophoretic support medium is disclosed. The container includes a top portion and a bottom portion, which when closed sealingly engage one another to...
4737259 Element for electrophoresis  
An element for electrophoresis suitably employable for electrophoresis of biopolymers such as proteins, as well as for the determination of the base sequence of DNA, RNA, their fragments, and their...
4707237 System for identification of cells by electrophoresis  
Cells are identified electrophoretically through isoenzyme analysis. The use of standard and control cells allows semi-skilled workers to achieve reproducible results. A coding sequence is assigned...
4702814 Non-mechanical buffer circulation apparatus for electrophoresis  
An improvement in electrophoretic apparatus is provided for non-mechanical fluid transfer between the anode and cathode electrode containing chambers of the apparatus. Buffering fluid is...
4693804 Apparatus for bidimensional electrophoretic separations  
An apparatus for conducting orthogonal electrophoretic separations in a gel bed. The apparatus comprises two pairs of opposing tanks, each tank having a flat base, an electrode assembly and buffer...
4666581 Apparatus for two-dimensional electrophoresis  
This invention relates to an apparatus for two-dimensional electrophoresis which comprises a supporting plate fixed to a rotary axis, a support for first dimension electrophoresis disposed on the...
4649026 Diagnostic strips  
A method of preparing a diagnostic strip coated with agarose which comprises preparing a roll of web material so that an aqueous silver halide emulsion can adhere thereto on one side thereof, but...
4631122 Electrophoretic apparatus employing a collecting belt moving in contact with a gel  
Apparatus for performing electrophoresis in an electrical field in which molecules or charged particles are moved through a porous substance such as a gel and a collecting tape is transported in...
4624768 Electrophoresis apparatus  
A horizontal electrophoresis apparatus characterized by a cooling plate which consists of a sintered SiC with high thermal conductivity and good insulating properties, or sintered material composed...
4608146 Horizontal electrophoresis cell for rapid assembly  
An electrophoresis apparatus for use with horizontally disposed separation media is disclosed, comprised of a housing with lid, and removable components capable of applying an electric potential...
4495149 Optical-type automatic analyzing and measuring apparatus  
Disclosed is an analyzing apparatus for applying samples and reagents to the surface of a reaction carrier and for optically analyzing each component contained in the various samples. The...
4443319 Device for electrophoresis  
A thin film electropheretic device formed of layers with a substrate, electrodes on the substrate and a gel form over both.
4417967 Grooved gel  
A grooved gel arrangement comprises a base portion having grooves extending in a longitudinal direction thereof, a gel disposed on the grooved portion and filling in the grooves, and a top portion...
4415418 Gel electrophoresis device and method  
Horizontal gel electrophoresis is carried out in a disposable device in the form of a rectangular upwardly open tray having a pair of elongated wells at opposite ends of the container receiving the...
4414073 Supporting body cell in electrophoretic apparatus  
The leg of a tray constituting an electrophoretic cell and accommodating a gel layer are provided with a centrally located partitioning member to eliminate uneven current density over the entire...
4391688 Electrophoresis system for multiple agarose slab gels  
The disclosure describes a horizontal slab gel electrophoresis apparatus. The latter consists of two spaced apart vessels which are each adapted to contain a running buffer. Each vessel is provided...
4385974 Electrophoretic system and method for multidimensional analysis  
A system for electrophoretic analysis includes four tanks, each of which carries an electrolytic solution which accesses a different edge surface of a pair of parallel gel plates. The gel plates...
4375401 Electrophoresis system  
An improved electrophoresis system for simple, rapid and reproducible separations of biological materials such as proteins, nucleic acids, cells, bacteria, cell organelles, etc. is described. The...
4314897 Electrophoretic gel container  
An electrophoretic gel container. The device includes a base and a cover. The gel is adherently bound to a backing sheet. The cover is positioned to clamp the backing sheet between it and the base....
4194963 Electrophoresis apparatus  
A vessel to be used to contain an electrophoresis medium is provided with electrically non-conductive side walls whose thickness vary between a minimum adjacent to the cooled bottom of the vessel...
4189370 Process for obtaining gels of N-methylol-acrylamide copolymers and application of said gels for the stepped gradient separation of seric lipoproteins  
A process for preparing plates of a new gel polymer, said plates being adapted to the electrophoresis separation of the seric or plasmatic lipoproteins under a stepped gradient. The gel polymers...
4130471 Microelectrophoretic apparatus and process  
New gel tray and lid assemblies designed for use in conjunction with slotted electrophoretic membranes have been developed to take advantage of recently improved microelectrophoretic accessories...
4061561 Automatic multiple-sample applicator and electrophoresis apparatus  
An apparatus for performing electrophoresis and a multiple-sample applicator for use therewith. Electrophoresis is a physical process in which electrically charged molecules and colloidal...
3975162 Applying reagent to medium and device therefor  
Device for applying a measured quantity of water-soluble or water-dispersible reagent to a water-containing solid medium for use in molecular diffusion or affinity separation procedures is provided...
Matches 201 - 250 out of 275 < 1 2 3 4 5 6 >