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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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3960499 |
Biological test apparatus
An improved biological test apparatus has an organoplastic support surface which has been treated to become hydrophilic, said surface supporting an aqueous gel employed for the desired test...
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3932229 |
Method of sample application to gel electrophoresis media
The invention concerns a method for the application of sample liquids to a gel type electrophoretic medium which leaves substantially no application artifact in the final electrophoretic pattern....
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3922432 |
Medium for separation processes
A thin layer medium for use in molecular diffusion or affinity separation processes is made by bonding to the surface of a hydrated gel sheet a layer of discrete particles of water-sorptive...
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3875044 |
Hydratable gel sheets
Hydratable gel sheets for use in molecular diffusion processes are made by depositing a layer of hydrated gel material on a water-impervious supporting backing, drying the layer to render it...
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3865712 |
ELECTRODE ARRANGEMENT FOR AN ELECTROPHORETICAL SEPARATION PERFORMED IN A GEL PLATE
The present invention relates to an electrode arrangement for an electrophoretical separation performed in a gel plate. A multiple simultaneous electrophoretical separations it is suitable that...
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3856656 |
ELECTROHORETIC APPARATUS
Apparatus facilitating electrophoresis studies. A previously prepared gel is shipped and stored in a closed container with the gel and a moisture preserving pad disposed in space separated...
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