Class 204/546 - Absorbent strip electrophoresis (e.g., using cellulose acetate or paper strip, etc.)

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Process in which a separation by the differential migration
No. of patents: 35
Last issue date: 02/05/2008

Number	Title	Issue Date
7326326	System and methods for electrophoretic separation of proteins on protein binding membranes Proteins can be rapidly separated to a high degree of resolution by electrophoresis on polymeric membranes that have high protein binding capacity. The electrophoretic separation is carried out in a low conductivity, water-miscible organic solvent buffer. The low co...	02/05/2008
7112453	Retentate chromatography and protein chip arrays with applications in biology and medicine This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the substrate by d...	09/26/2006
6963822	Method and apparatus for separation, analysis and evaluation of data Waveform diagrams of cholesterol and triglyceride, for example, obtained by electrophoresis are overlappedly displayed (superimposed). To compare or overlappedly display two waveform diagrams, one unit of absolute concentration is related to one unit of waveform siz...	11/08/2005
6680208	Rapid protein identification using antibody mixtures A method and device is disclosed for rapidly identifying a large number of proteins by placing a protein mixture in a sample chamber of an electrophoresis gel, and performing electrophoresis to separate the mixture by molecular weight, in a direction of s...	01/20/2004
6391176	Detection of alcaline isophosphatases by electrophoresis The invention concerns a process for separating alkaline phosphatase (ALP) isoenzymes from a biological sample by electrophoresis, characterized in that the electrophoresis is carried out on an electrophoresis support after depositing a solution of lectin...	05/21/2002
6365415	Method for characterization and quality control of porous media The present invention provides a method to characterize, optimize, and control the quality and production of hydrogel media. Additionally, the present invention provides a method for determining the size, size distribution, and spatial distribution of the...	04/02/2002
6231736	Detection of alcaline isophosphatases by electrophoresis The invention concerns a process for separating alkaline phosphatase (ALP) isoenzymes from a biological sample by electrophoresis, characterized in that the electrophoresis is carried out on an electrophoresis support after depositing a solution of lectin...	05/15/2001
6153074	Recording material for electro-coagulation printing and method for printing thereon A recording material having a compression modulus of elasticity of 650 kgf/cm2 or less in the direction of the thickness thereof and exhibiting a maximum strain of 0.08 or more generated under pressure of 40 kgf/cm2 in the thickness ...	11/28/2000
5753519	Liposome-enhanced immunoaggregation assay and test device A test device for detecting or quantifying an analyte in a test sample includes an absorbent material having separate contact and measurement portions. The contact portion is positioned at or proximate to a first end of the absorbent material. The measure...	05/19/1998
5306403	Raman-based system for DNA sequencing-mapping and other separations DNA sequencing and mapping are performed by using a Raman spectrometer with a surface enhanced Raman scattering (SERS) substrate to enhance the Raman signal. A SERS label is attached to a DNA fragment and then analyzed with the Raman spectrometer to ident...	04/26/1994
5068019	Electrophoresis film support An electrophoresis film support particularly useful for the electrophoretic separation of serum proteins. According to one aspect, the electrophoresis film support comprises a microporous polymer membrane sheet containing therein an additive which is sele...	11/26/1991
5047129	Unit for the treatment of electrophoretic strips A unit for the treatment of electrophoretic strips mounted on a frame comprises at least one pair of basins (10a, 10b) and a feed, forced circulation and emptying circuit comprising as many tanks (23, 24) as there are different treatment liquids, a single...	09/10/1991
4920498	Method of processing and analyzing electrophoretic image, and method of displaying electrophoregram and a medium for recording electrophoregram Electrophoretic images of serum test sample and normal serum sample formed on the same substrate are photoelectrically scanned to derive a series of data samples relating to an electrophoregram of serum test sample and a series of data samples relating to...	04/24/1990
4726904	Apparatus and method for the analysis and separation of macroions An apparatus for the separation of macroion groups from a mixture utilizing a three field device for generating forces on the macroions including means for applying a centrifugal force, means for applying a magnetophoretic force, and means for applying a ...	02/23/1988
4666577	Method of recording electrophoretic image pattern In a method of printing on a test report a pattern of fraction images of various kinds of proteins contained in a serum sample, an electrophoretic signal obtained by photoelectrically scanning a substrate bearing electrophoretic images is sampled to deriv...	05/19/1987
4631120	Method in which elemental particles electrophoretically migrate through a gel onto a collecting surface of a moving belt A method in which an electrical field is applied through a gel to cause migration of elemental particles through the gel to an end region thereof and a belt having a collecting surface is advanced on the gel to collect the elemental particles and transpor...	12/23/1986
4468465	Diagnosing cancer by observing marker glycosaminoglycans extracted from patient A disease-specific marker for cancer and hyperplasia of the human prostate comprising hybrid and copolymer glycosaminoglycans (GAGs) extracted from the patient and methods for diagnosing and monitoring treatment of cancer and hyperplasia of the prostate b...	08/28/1984
4420384	Method for determining boundary points on electrophoretic patterns and means therefor A method for determining boundary points on electrophoretic patterns whereby boundary points can be easily and accurately added onto or erased from fractionated patterns or analogue patterns by utilizing a densitometer for obtaining fractionated patterns ...	12/13/1983
4351711	Electrophoresis method for detecting glycosylated hemoglobin in blood In accordance with the invention the glycosylated hemoglobin in a blood sample is electrophoretically separated from the other constituents by including dextran sulphate in the electrophoresis buffer, or by mixing a solution of the dextran sulphate with t...	09/28/1982
4321119	Buffer composition and method for the electrophoretic separation of proteins A non-barbiturate buffer composition for use in the electrophoretic separation of proteins into fractions, the buffer composition consisting essentially of a water soluble salicylate, a water soluble inorganic salt such as sodium chloride, and buffer to m...	03/23/1982
4312728	Method for determining boundary points on electrophoretic densitograms A method for determining boundary points on electrophoretic densitograms comprising a bounding point judging step for locating boundary points on electrophoretic densitograms, a normal fraction judging step for judging whether or not the boundary points l...	01/26/1982
4298441	Method of preserving the electrophoretic properties of lipoproteins A method of preserving the electrophoretic properties of lipoproteins in human or animal plasma, plasma fractions or sera, in which the lipoprotein pattern is to be electrophoretically determined, consists in that non-reducing sugars are added to the plas...	11/03/1981
4295949	Method for determining boundary points in electrophoresis A method for determining boundary points in electrophoresis comprising a step to determine points on the abscissa corresponding to peak tops on a densitogram traced on the basis of electrophoresis of a standard sample as standard positions, a step to loca...	10/20/1981
4292162	Buffer composition and method for the electrophoretic separation of proteins A buffer composition for use in the electrophoretic separation of proteins into fractions, the buffer composition consisting essentially of Tris; an acid having the formula R1 --CO--NH--R2 --COOH where R1 is NH2...	09/29/1981
4292154	Buffer composition and method for the electrophoretic separation of proteins A buffer composition for use in the electrophoretic separation of proteins into fractions, the buffer composition consisting essentially of Tris; an acid having the formula R1 --CO--NH--R2 --COOH where R1 is NH2...	09/29/1981
4246084	Electrophoretic technique for assaying the relative distribution of lactate dehydrogenase isoenztimes and buffers for use therein An electrophoretic technique for assaying the relative distribution of lactate dehydrogenase (LD) isoenzymes characterized in that the electrophoretic and/or substrate buffer employed therein comprises a first and second moiety wherein the first moiety is...	01/20/1981
4200508	Method and composition for detecting antigenic substances A method and composition for detecting an antigenic substance by immunodiffusion using an antigenic substance to be detected labeled by a chromogenic enzyme. According to the method and the detection material of this invention, even a small amount of an a...	04/29/1980
4167467	Clinical procedure for measuring lipoprotein free cholesterols An electrophoresis method of determining the concentration of high density lipoprotein (HDL) free cholesterols in body fluids and simultaneously determining the concentration of very low density lipoprotein (VLDL) and low density lipoprotein (LDL) free ch...	09/11/1979
4147606	Clinical procedure for measuring lipoprotein triglycerides An electrophoresis method of determining the concentration of high density lipoprotein (HDL) triglycerides in fluids, for example, body fluids and simultaneously determining the concentration of very low density lipoprotein (VLDL) and low density lipoprot...	04/03/1979
4146454	Electromolecular propulsion in diverse semiconductive media This application is directed to an electromotive process for exciting a chemical species which includes orientating, re-positioning and transporting and for the separation of chemical species on a support. Unlike conventional semiconductive technology in ...	03/27/1979
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 which include a multisample applicator capable of applying u...	12/19/1978
4105521	Clinical procedure for measuring lipoprotein cholesterols An electrophoresis method of determining the concentration of high density lipoprotein (HDL) cholesterol in body fluids and simultaneously determining the concentrations of very low density lipoprotein (VLDL) and low density lipoprotein (LDL) cholesterols...	08/08/1978
3988230	Chamber and process for crossed immunoelectro-phoresis A process for performing the electroimmunomigration step (the second phase of a crossed-electro-phoresis process) for separating protein-containing biological fluids. The chamber utilized in practicing the process preferably includes a base plate having a...	10/26/1976
3984298	Electromolecular propulsion in semiconductive media This application is directed to a high-voltage electromotive process to excite a chemical species, which includes orientating, re-positioning and transporting and for the separation of chemical species on a support. Unlike conventional semiconductive tech...	10/05/1976
3930973	Electrophoretic process A method and apparatus for electrophoresis, counter electrophoresis, or immuno electrophoresis on a cellulose acetate membrane carried out on a flat rigid support plate supported over buffer reservoirs of opposite polarity. The membrane is wetted with buf...	01/06/1976

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Class 204/546 - Absorbent strip electrophoresis (e.g., using cellulose acetate or paper strip, etc.)