sobota, 9 stycznia 2010

Antibody purification affinity

Article about purification of Antibody using Affinity Methods.

Specific antibodies can be isolated from the antiserum. Affinity chromatography separates molecules on their different affinities for ligand. In this method, a specific antibody binding to antigen rather than on solid matrix. The antigen is bound covalently to small, chemically reactive beads, which are loaded into a column, and antiserum is allowed to pass through the beads.

Specific antibodies, whereas all other proteins in serum that can be washed away, including antibodies against other substances. Specific antibodies are then eluted, typically by lowering the pH to 2.5 or more than 11 Reversibly bind antibodies stable under physiological conditions, the concentration of salt, temperature and pH, but binding as covalent bonds. Affinity chromatography can also for the treatment of antigens from complex mixtures with beads that are coated with specific antibodies.

Affinity chromatography with antigen-antibody binding to the antigen or antibody purification. Purify the specific antigen from a complex mixture of molecules, is monoclonal antibody to the insoluble matrix, such as chromatography beads and a mixture of molecules is connected passed matrix.

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