Staining of U937 cell line with Mouse IgG2a Isotype Control FITC (Product # 11-4724-42) (left) or Mouse IgG2b Isotype Control FITC (Product # 11-4732-42) (right) without (purple shading) or with (blue line) pre-treatment with Human Fc gamma R-Binding Inhibitor. The red line represents autofluorescence of U937 cells.
Supplier Page from Thermo Fisher Scientific for Fc Receptor Binding Inhibitor Antibody Functional Grade