We use fresh tissue (umbilical cord works well)and give 2 pieces to micro to incubate, one in gram +, one in gram-. After a couple of days we retrieve it and put in formalin, process and embed a piece of each in a block. Works great.

-----Original Message-----
From: histonet-bounces@lists.utsouthwestern.edu
[mailto:histonet-bounces@lists.utsouthwestern.edu]On Behalf Of Steven
Coakley
Sent: Friday, May 27, 2005 3:32 PM
To: Histonet@lists.utsouthwestern.edu
Subject: **SPAM** [Histonet] gram stain control


I'm looking for a good gram stain control with both gram +/-.   Any good suppliers out there.
 
Steve

		
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