Just good old fashion attention to detail and cleaning instruments and the forceps heating  wells in the embedding centers. Eliminating not used floating tissue sections between blocks is also a must.
René J.

--- On Wed, 8/27/08, Carlos Hurtado  wrote:

From: Carlos Hurtado 
Subject: [Histonet] tissue floaters
To: histonet@lists.utsouthwestern.edu
Date: Wednesday, August 27, 2008, 6:36 PM

Does anyone have any suggestions to eliminate/reduce the amount of floaters
found in tissue blocks or paraffin baths? Is there any QC method to track the
amount?

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