Match the IgG subclass and conjugation
Isotype controls provide an essential negative control by helping to distinguish target labeling from non-specific background. They should be matched with both the IgG subclass (e.g. IgG1, IgG2, etc.), if available, and the conjugation (e.g. PE, biotin, HRP). For example, If you are using IgG1 PE antibody, find an IgG1 and PE-conjugated isotype control.
The IgG isotype controls offered by Bioss are sufficient for testing against IgG monoclonal and polyclonal antibodies.
You can see our listing of isotype controls here: https://www.biossusa.com/collections/isotype-control
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