Human purified IgG, Fc fragment (1 mg)

Purified human IgG, Fc fragment contains Protein A purified human IgG from normal serum and is excellent for use as blocking reagent in immunoassays.

purified human immunoglobulins which can be used as blocking reagents or controls of immunoassays

Secondary antibodies

Human IgG is provided in 50 mM Tris, 200 mM sodium chloride, pH 8 0.05 % sodium azide is added as preservative.

Purity >95 % by SDS-PAGE. Expected MW of human Fc fragment  is 26 kDa. On SDS-PAGE performed in reduced conditions it migrates below 31 kDa.

Donor serum was tested by approved methods and found negative for antibodies to HIV 1/2, HCV, HBsAg, HIV-1 RNA, HCV and HBc.