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Question (74983) | Corticosterone ELISA kit (ab108821)

I'm interested in your product to analyse CORT in rat urine samples. I've been looking at several suppliers and have noticed that others recommend running a creatinine assay kit in conjuction with the samples. I was wondering whether this is necessary or recommended for your CORT assay kit also? Many thanks.

It is always good idea to run creatinine assay as a normalization factor for the urine sample since the urine concentration is varied significantly. Some of our customers do use a creatinine assay but others don't so it is really up to you.

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