RE: IHC control slides/blocks

From:"Gutierrez, Juan"

Refrigerate your blocks, and if you cut sections ahead of time, freeze them
at -80c.  
Cutting through the block ahead of time is recomended.  That way you can
test your sections from beginning to end to make sure the antigen is not
Hope this helps,

Juan C. Gutierrez, HT(ASCP)
Histology Supervisor
Christus Santa Rosa Healthcare

-----Original Message-----
From: Chung, Luong []
Sent: Thursday, May 01, 2003 11:11 AM
To: ''
Subject: IHC control slides/blocks

Hello all,

Can anyone tell me a proper way to store the control slides or blocks for
IHC?  Can I cut a bunch of slides and store in a box?
or cut the block as needed?  How long should a control block or slides be
kept?  I have some control blocks work 6 months ago
and now it's not working.  Any advise should be helpful.


Bruce Chung, AP manager
Pheobe Putney Mem. Hosp.
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