Thermo Fisher Scientific Mouse IgG2a/IgG2b Isotype Control Cocktail, PE-Cyanine5

Applications

• Flow Cytometry (Flow): Assay-dependent
• Control (Ctrl): Assay-dependent

Product Specifications

Product Specific Information

This antibody contains a mix of IgG2a (Cy5) and IgG2b (RPE) isotypes.
SA1-12477 has been successfully used in FACS procedures to assess non-specific binding of mouse monoclonal antibodies in human samples.

Target Information

The isotype of a primary antibody and the application it is being used in can result in background staining.
Primary antibody background noise can be caused by binding to Fc receptors on target cells; by non-specific interactions with cellular proteins, carbohydrates, and lipids; or by cell autofluorescence.

Isotype control antibodies can act as negative controls to help differentiate non-specific background signal from specific antibody signal because they have no relevant specificity to a target antigen.
While isotype controls are most commonly used in flow cytometry, they are useful in other applications such as chromatin immunoprecipitation (ChIP), immunohistochemistry, and gel shifts.

Isotype controls should match with the primary antibody species and isotype so that the level of specific staining by the primary antibody may be accurately determined.
If using directly labeled primary antibodies, the isotype control works best if conjugated with the same label as the test antibody.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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