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4 results about "Globulin" patented technology

The globulins are a family of globular proteins that have the higher molecular weights than albumins and are insoluble in pure water but dissolve in dilute salt solutions. Some globulins are produced in the liver, while others are made by the immune system. Globulins, albumins, and fibrinogen are the major blood proteins. The normal concentration of globulins in human blood is about 2.6-3.5 g/dL.

USE OF PHTHALIMIDE AND/OR SULPHONAMIDE DERIVATIVES IN THE TREATMENT OF DISEASES WHICH REQUIRE REDUCING THE TNF-alpha LEVELS AND AN EXOGENOUS SOURCE OF NITRIC OXIDE, PHTHALIMIDE DERIVATIVES, SULPHONAMIDE DERIVATIVES, AND A METHOD FOR OBTAINING A SULPHONAMIDE DERIVATIVE

InactiveUS20100324107A1Improve the quality of lifeBiocideOrganic chemistryPhthalocyanine derivativesNitric oxide
The present invention refers to the use of phthalimide and/or sulphonamide derivatives with nitric oxide donor properties, which have important activities in increasing the gamma-globin gene expression and anti-inflammatory and analgesic activities, effective in the treatment of hematologic diseases which require reducing the TNF-α levels and an exogenous source of nitric oxide. More particularly, the present invention describes the use of such phthalimide and/or sulphonamide derivatives for the treatment of sickle-cell disease. The invention also has as a novel characteristic the disclosure of new functionalized phthalimide derivatives designed from the prototypes thalidomide and hydroxyurea, and designed rationally through the strategy of molecular hybridization for the treatment of said diseases. The invention still discloses a new method for obtaining a specific sulphonamide derivative which can be used in the preparation of a drug for the treatment of diseases which require reducing the levels of the TNF-α factor and an exogenous source of nitric oxide.
Owner:UNIV ESTADUAL DE CAMPINAS UNICAMP +2

Polypeptide, preparation method of polypeptide, bispecific antibody and application of bispecific antibody

ActiveCN114085376AEasy to prepareEasy to manufactureHybrid immunoglobulinsAntibody ingredientsFc bindingIntravenous gammaglobulin
The invention relates to the technical field of biology, in particular to a polypeptide, a preparation method of the polypeptide, a bispecific antibody and application of the bispecific antibody. The polypeptide is an Fc binding polypeptide, and can be universally, simply and conveniently connected with a monoclonal antibody to prepare a bispecific / multispecific antibody. The polyvalent Fc binding polypeptide PGLU-Fc-III-4C or PASP-Fc-III-4C is prepared by bonding side carboxyl groups of polyglutamic acid (PGLU) or polyaspartic acid (PASP) with Fc-III-4C polypeptide which has general high affinity to an immune globulin (antibody) constant region (Fc), and the polyvalent Fc binding polypeptide can react with various monoclonal antibodies in different proportions in an aqueous solution to obtain a bispecific / multispecific antibody. The preparation method of the bispecific / multispecific antibody has the following advantages: the bispecific / multispecific antibody is prepared by direct incubation in a water environment, the reaction condition is mild, and the activity of the monoclonal antibody can be retained to the greatest extent; and the method is simple, efficient, controllable in monoclonal antibody proportion and high in universality, and has an industrialization prospect.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Method of preparing chromatographic materials

InactiveCN105793301AIncrease switching capacityHydrophobic/hydrophilic balanceOther chemical processesSolid sorbent liquid separationCross-linkIntravenous gammaglobulin
The invention relates to a sorbent material. The sorbent material comprises a plurality of cross linked monovinyl monomers defining a matrix, in a ratio of the volume of hydrophobic monovinyl monomers to hydrophilic monovinyl monomers of approximately 5:95 to approximately 40:60, the matrix being bufferable to pH ranges from approximately 5 to approximately 9, and, of particle sizes between approximately 10 micrometers to approximately 300 micrometers. The sorbent is used in chromatographic columns to promote binding of Immunoglobulin G (IgG) from blood plasma, for its isolation, such that the isolated IgG is then extracted from the sorbent. The sorbent is also used in chromatographic columns to promote binding of Immunoglobulin G (IgG) monoclonal antibodies from transgenic milk, for their isolation, such that the isolated IgG monoclonal antibodies are then extracted from the sorbent.
Owner:NEW PROTEINTECH
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