RE: [Histonet] frozen sections

From:"Weems, Joyce"

Please the tissue in baby powder and it will eliminate the air bubble. You can also add baby powder to the OCT and it will give it more "body" for holding the tissue correctly for freezing. I don't remember where I heard this or learned it... I just know it works! Hope it works for you, j

Joyce Weems
Pathology Manager
Saint Joseph's Hospital 
5665 Peachtree Dunwoody Rd NE
Atlanta, GA 30342
404-851-7376 - Phone
404-851-7831 - Fax

-----Original Message-----
[]On Behalf Of Atoska
Sent: Tuesday, October 16, 2007 3:55 PM
To: Histonet
Subject: [Histonet] frozen sections

hello, has anyone observed empty space surrounding tissue frozen in 
O.C.T. or similar tissue freezing medium after snap freezing? Upon 
sectioning samples shipped previously snap frozen to one of our 
researchers I noticed space surrounding various areas of the tissue. 
Does anyone know what probably caused this? Could this be a factor in 
the generation of horrible sections? I suspect the tissue may be moving 
when the blade touches it. Is there a know remedy that will not damage 
the tissue? Has anyone ever added O.C.T. to already frozen tissues? Any 
assistance will be much appreciated. Atoska

Atoska S. Gentry, B.S., HT(ASCP)
Research Assistant IV
Scott-Ritchey RSCH Center
College of Vet. Med
Auburn, AL 36849
PH (334) 844-5579
FAX (334) 844-5850

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