RE: [Histonet] friable or crumbly O.C.T.

2010-08-09 Thread Bill B.
I will 2nd this. When I did neuropathology at a major institution, we froze all frozen sections in an isopentane slurry cooled with LN2. We waited for the OCT to warm to cryostate temps before cutting. If there was time pressure from the surgeons, I used my thumb to warm more quickly, until se

Re: [Histonet] friable or crumbly O.C.T.

2010-08-09 Thread jsjurczak
There is an OCT for lower temperatures. - Original Message - From: "Della Speranza, Vinnie" To: "Bruce W Brodersen" , histo...@pathology.swmed.edu Sent: Monday, August 9, 2010 9:40:03 AM Subject: RE: [Histonet] friable or crumbly O.C.T. I'm guessing that l

RE: [Histonet] friable or crumbly O.C.T.

2010-08-09 Thread Della Speranza, Vinnie
26 PM To: histo...@pathology.swmed.edu Subject: [Histonet] friable or crumbly O.C.T. Anyone have an explanation as to why OCT would be friable or crumbly for sectioning? Here's how it was used. Thanks. "We held the plastic 'tray' with the tissue in the compound just over the liquid

[Histonet] friable or crumbly O.C.T.

2010-08-06 Thread Bruce W Brodersen
Anyone have an explanation as to why OCT would be friable or crumbly for sectioning? Here's how it was used. Thanks. "We held the plastic 'tray' with the tissue in the compound just over the liquid nitro for 30sec-1min, until it was opaque and white (frozen) and then dipped the tray into the li