Purity:Purified by Protein A affinity chromatography from tissue culture supernatant.
Form:Supplied as a liquid in PBS, pH 7.2, 0.09% sodium azide.
Specificity:Can be used as a negative control for direct FITC immunofluorescence staining (eg. Flow Cytometry) when using mouse monoclonal antibodies to human cell surface antigens of isotype IgG2b. This enables an estimation of non-specific binding of mouse monoclonal antibodies to cell surface components in peripheral blood and tissue. Suitable for whole blood, Ficoll-separated preparations, frozen and paraffin embedded sections.