Description_x000D_ General description_x000D_ γ-Globulin molecules is made up of four polypeptide chains, of which two have molecular weights of about 50,000 and two of about 20,000. These chains are cross-linked by disulfide bonds._x000D_ Application_x000D_ γ-Globulins from mouse were used to test the development and validation of ELISA for Herceptin detection in human serum._x000D_ Packaging_x000D_ 10, 50 mg in poly bottle_x000D_ Preparation Note_x000D_ Prepared from Cohn Fraction II, III