23 November 2017 1 8K Report

Dear fellows,

I am facing a problem using Isotype control,

for example, when I run flow , the signal in un-stimulated samples is 10%, and in stimulated samples is 12%. However, the isotype control is 30% . isotype control should be negative, right ?

I am using the same concentration and the same staining period for isotype control and the target antibodies,

Can someone help me to understand why I am facing this problem.

Thank you in advance!

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