So I just found a few boxes of unused E-Gels ( 4% High Resolution, Invitrogen™ /ThermoFisher) with an expiration date of 10/2017 in my lab. I'm wondering if anyone has worked with expired E-Gels before and they still function properly? I hate to have to trash them as that's quite a lot of money... Thanks!
I would be dealing with the same situation as you in near future and I understand your concern. But I would give it a try... It's really nothing which can go bad untill and unless the gel is moist like before.
I have an experience of using commercial precast gels (2%) after date expiration. It was not from Thermo Fisher, but I think the same principle. In the case of intact individual pack it could be ok, but you shoud verify the hydratation and consistency (visual and/or by touching) . The gel may dry up, then the results of electrophoresis will be unsuitable.
I agree with Andrrei and Abhjeet. proper storage and avoiding dryness it may be work.
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