Class / Patent application number | Description | Number of patent applications / Date published |
204469000 | Gel composition (other than simple agarose or polyacrylamide) | 22 |
20080237043 | METHODS, ARTICLES AND KITS FOR LABELING POLYMER GELS - The invention provides methods, apparatus and kits for integrally labeling polymeric gels, such as polyacrylamide and agarose gels, with indicia that can serve, inter alia, unambiguously to identify the individual gel, using polymeric film labeled with detectable indicia and coated with materials that bond to the gel matrix as the gel polymerizes. | 10-02-2008 |
20090223823 | METHOD OF SEPARATING PROTEIN, METHOD OF STAINING PROTEIN AND LIQUID PROTEIN-STAINING AGENT AND PROTEIN-STAINING KIT TO BE USED IN THESE METHODS - A method of separating a protein by gel electrophoresis, which comprises a staining step for bringing a protein-containing sample into contact with a staining liquid containing a staining agent, a surfactant and a buffer solution, and an electrophoresis step for subjecting the protein-containing sample after the staining step to gel electrophoresis. | 09-10-2009 |
20100051462 | HYDROLYSIS-RESISTANT POLYACRYLAMIDE GELS - Polyacrylamide gels that offer high resolution in protein separations and are more stable relative to hydrolysis than conventional polyacrylamide gels that rely on Tris or Tris-Bis as buffering agents are made by incorporating triethanolamine in place of most or all of the Tris or Tris-Bis. | 03-04-2010 |
20100101954 | Compositions, Methods, Devices, and Systems for Nucleic Acid Fractionation - The present disclosure provides methods, devices, systems and compositions for nucleic acid separation and/or purification. In some embodiments, nucleic acids from about 10 nucleotides to about 150 nucleotides may be separated and/or purified in seconds to minutes. A system for purifying a nucleic acid within seconds to minutes may include: a fractionator having a housing, a first electrode, a second electrode spaced away from the first electrode, and a lower buffer chamber proximal to the second electrode; and a pre-cast gel cartridge having an upper buffer chamber and an elongate polyacrylamide gel, wherein the upper buffer chamber is in fluid communication with one end of the polyacrylamide gel, the lower buffer chamber is in fluid communication with the other end of the elongate polyacrylamide gel, the first electrode is in electrical communication with the upper buffer chamber, and the second electrode is in electrical communication with the lower buffer chamber. | 04-29-2010 |
20110108420 | METHODS FOR PRODUCTION OF PROTEINS - The current invention provides methods for producing a polypeptide as inclusion bodies in bacterial host cells. The present methods are carried out by forming a gene construct comprising the genetic sequence encoding a polypeptide operatively linked to that of an inclusion partner protein, such as | 05-12-2011 |
20110226622 | NOVEL CLEAR NATIVE ELECTROPHORESIS METHOD UTILIZING AROMATIC SULFONIC ACID COMPOUND - This invention provides a reagent for protein electrophoresis, an electrophoresis gel or buffer composition containing the reagent, and a protein separation method and an electrophoresis kit using the reagent and the composition. | 09-22-2011 |
20110308951 | LONG-LASTING PRECAST ELECTROPHORESIS GEL - Disclosed is a precast polyacrylamide gel for use in gel electrophoresis, comprising polyacrylamide and an aqueous Tris 0.04 M to 0.15 M solution, at least one first ampholyte exhibiting an isoelectric point (pI) of from 5.4 to 6.4 at a total concentration of from 0.01 M to 0.4 M; and at least one second ampholyte exhibiting an isoelectric point (pI) of from 2.5 to 3.5 to adjust the pH to between 5.5 and 7.5 at the temperature of 25° C. The precast gels can be used for electrophoresis of oligopeptides, polypeptides, oligonucleotides, and polynucleotides under denaturating or nondenaturing conditions, and exhibit long shelf-life. | 12-22-2011 |
20130008790 | COMPOSITE COMPOSITIONS FOR ELECTROPHORESIS - The invention is drawn to composite agarose/acrylamide compositions and gels. In particular it relates to gels for the separation of molecules, particularly macromolecules such as proteins. The invention is also directed to the preparation of composite gels, the separation of molecules by techniques such as electrophoresis using such gels, and the transfer of proteins from such gels to a transfer membrane using an immunoblot transfer gel. | 01-10-2013 |
20140097086 | METHODS FOR PRODUCTION OF PROTEINS - The current invention provides methods for producing a polypeptide as inclusion bodies in bacterial host cells. The present methods are carried out by forming a gene construct comprising the genetic sequence encoding a polypeptide operatively linked to that of an inclusion partner protein, such that host cells comprising the gene construct produce the polypeptide as intracellular inclusion bodies thereby facilitating rapid isolation and purification of recombinant proteins. The invention further provides methods for producing protein molecular weight ladders for us in protein gel electrophoresis, as well as proteins and protein molecular weight ladders produced by these methods. | 04-10-2014 |
20140374254 | USE OF STATIONARY PHASE COMPRISING FIBRIL CELLULOSE IN SEPARATION METHODS - Separation methods based on electrophoresis or chromatography that use a stationary phase including fibril cellulose. | 12-25-2014 |
20160123926 | METHODS OF ISOLATING NUCLEIC ACIDS UNDER REDUCED DEGRADATION CONDITION - A method of isolating nucleic acids from a biological material, comprises applying the biological material on a substrate comprising one or more cell lysis reagents impregnated therein; applying a fluid to the biological material applied on the substrate; extracting the nucleic acids from the biological material applied on the substrate; and collecting the extracted nucleic acids in a substantially intact form, wherein the collected nucleic acid has a molecular weight greater than or equal to 20 kb. | 05-05-2016 |
204470000 | Including manufacture or preparation (e.g., molding, gelation, etc.) | 11 |
20090014333 | AGAROSE NANO-PLATINUM COMPOSITE - The invention relates to compositions and methods of using electrophoresis separation matrices. The invention provides nano-particle comprising separation matrices having increased conductivity at low voltage. | 01-15-2009 |
20100187114 | HIGH-PERFORMING ELECTROPHORESIS GELS WITH EXTENDED SHELF LIVES - Polyacrylamide gels that offer high resolution as electrophoretic media for protein separations and an improved resistance to hydrolysis upon storage are made by including either taurine, asparagine, or both as an ampholyte, in combination with either tris(hydroxymethyl)-aminomethane or bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane as a buffer, plus other conventional components. | 07-29-2010 |
20100264031 | BUFFER SYSTEM FOR A LONG-LASTING PRECAST ELECTROPHORESIS GEL - Provided is a precast polyacrylamide gel for use in gel electrophoresis, having a shelf-life of at least 12 months. The gel comprises a sulfonated tertiary or secondary amine having a pKa of 6.6-8.0, ampholytes exhibiting pI between 5.4 to 6.4, Tris, and hydrochloric acid to adjust the pH to between 5.5 and 7.5. | 10-21-2010 |
20110114488 | ELECTROPHORETIC SUPPORT - The present invention relates to electrophoresis and in particular low fluorescent electrophoretic supports for hydrogels used for separation of fluorescence labelled biomolecules. More particularly, the invention relates to use of a polymer having the following formula: | 05-19-2011 |
20120006682 | NUCLEIC ACID CONCENTRATION RECOVERY CARTRIDGE, NUCLEIC ACID CONCENTRATION RECOVERY METHOD, AND FABRICATION PROCESS OF CARTRIDGE - A nucleic acid concentration recovery cartridge includes a substrate, a channel with which the substrate is provided to permit introduction of a liquid therein, a high molecular gel arranged in the channel at a predetermined position thereof, and a cathode and anode arranged at opposite ends of the channel, respectively. | 01-12-2012 |
20120160684 | DRY COMPOSITIONS AND METHODS FOR GEL ELECTROPHORESIS - The invention provides dry compositions for preparing and loading a sample on a gel for electrophoretic separation. The dry compositions preferably include a tracking dye and a sedimenting agent selected from a five-carbon polyol (e.g., ribitol, arabitol, or xylitol), iso-erythritol, maltitol, and saccharine. Methods for making and using, as well as kits comprising the disclosed compositions, are also provided. | 06-28-2012 |
20140076727 | ELECTROPHORESIS-GEL-FORMING MONOMER SOLUTION, SOLUTION EJECTING METHOD, METHOD FOR FORMING ELECTROPHORESIS GEL, ELECTROPHORESIS GEL, AND ELECTROPHORESIS REACTION INSTRUMENT - A solution ejecting method includes a first ejection step of ejecting an electrophoresis-gel-forming monomer solution containing at least a monomer that forms a gel structure and a gel polymerization accelerator that activates a gel polymerization initiator and a second ejection step of ejecting a gel polymerization initiating solution containing the gel polymerization initiator onto the electrophoresis-gel-forming monomer solution. | 03-20-2014 |
20140262785 | POLYACRYLAMIDE GELS FOR RAPID CASTING, BLOTTING, AND IMAGING, WITH STORAGE STABILITY - Hand cast gels, and solutions for their preparation, are described. | 09-18-2014 |
20140299474 | CONTROLLED TRANSLOCATION OF MACROMOLECULES EMPLOYING A FUNNEL NANOPORE STRUCTURE AND A GEL - A system of controlled translocation of macromolecules by gel electrophesis employs a funnel nanopore structure. A graphene portion is attached to a porous material layer including funnel-shaped pores such that the graphene portion blocks the side of the porous material layer having openings for smaller pores. A pair of electrical contacts is formed on the graphene portion. A dielectric material layer may be deposited to hold the graphene portion in place. A nanoscale hole is formed through the dielectric material layer and the graphene portion to provide a smallest opening in a funnel nanopore structure. The funnel nanopore structure is placed within a capsule configured for gel electrophoresis. A linear chain of molecules can pass through a funnel-shaped pore and the nanoscale hole during the gel electrophoresis. A graphene nanopore detector allows measurement of blockage current for sufficient resolution of base pairs in DNA's. | 10-09-2014 |
20150122652 | NANOCOMPOSITE POLYMER HYDROGEL WITH ALIGNED NANOPARTICLES - Nanocomposite polymeric hydrogels comprising polyacrylamide (PAAm) formulated in combination with magnetically-susceptible anisotropic microparticles are described, as are method of making and using said hydrogels. | 05-07-2015 |
20150346145 | DEVICE FOR PERFORMING ELECTROPHORESIS PRODUCING MIRROR COPIES OF SEPARATED PROTEINS BY USING THE SAME GEL AND THE SAME SAMPLES - A gel matrix device for performing polyacrylamide gel electrophoresis, comprising: a back plate having spacers on both vertical sides thereof; a front plate, shorter than the back plate; and a middle plate having a middle part shorter than the front plate, two side parts having the same height as the back plate and spacers on both vertical sides thereof, the spacers having the same height as the back plate spacers, wherein said middle plate divides the volume between said back and front plates into two compartments and wherein each one of said two compartments comprises gel up to the height of said middle plate, and wherein the gel continues above the middle plate in an area common to the two compartments, said area comprising wells for sample loading. | 12-03-2015 |