[Histonet] Expiration date

Luis Chiriboga Luis.Chiriboga <@t> med.nyu.edu
Thu Jun 16 10:57:30 CDT 2005

Just a thought.....
Perhaps people could donate expired reagents to a local histology
program.....I don't know about the logistical or administrative issues that
might be involved (there always are).

Just as a side note.....I have antibodies (research) that are over 7 years
old that still work perfectly fine. In fact, out of a ~400 hundred
antibodies I have in stock, there are only a handful that truly "expire".
The most unstable tend to be raw serum or ascities preparations with out
preservatives, but this can be easily corrected to prevent deterioration.
Commercial antibodies tend to be relatively stable if handled appropriately.

Luis Chiriboga Ph.D.
NYU Cancer Institute and
Bellevue Hospital Center
New York University School Of Medicine
Department Of Pathology 4W27
462 First Avenue
New York, N.Y. 10016
W(212) 562-4667.
F(212) 263-2041

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu]On Behalf Of Katia
Cristina Catunda
Sent: Wednesday, June 15, 2005 9:21 PM
To: histonet
Subject: [Histonet] Expiration date

What should we do with antibodies and reagents after their indicated
expiration dates? Theorectically they shouldn't be estable after the
expiration date but we do know that most of them still works perfectly...
should we just throw them out and not use them anymore, wouldn't this be a
way for the manufacturers manipulate their sellings? Need some opinions...



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