Mary

If you're a research lab and the tissue is not dear, I recommend that you
test it/them.  I've tried antibodies that are 4 years out of date kept at
4 deg C with outstanding results.  Others have been apparently dead dead
dead.

John Carroll Dennis
Anatomy, Physiology, and Pharmacology
109 Greene Hall
Auburn University, AL  36849


On Wed, 13 Mar 2002, Mary Gavin , Dennis Durgan wrote:

> Does anyone know if expired antibodies must be tossed or is it appropriate
> to freeze them and test before use??
>
>