RE: [Histonet] Paraffin specimen clamp

From:"Bonner, Janet"

    We occasionally get some of these blocks, often from South America.  Though the paraffin is a different media, we melt them, let them soak/infiltrate for about two hours in our paraffin, and reembed them with a cassette. - But you cannot do that.  
     In this instance, I would embed the entire block as you would a piece of tissue, without melting the existing paraffin, and attach a cassette.   Chill, cut, and good luck! 


From: on behalf of Kinsley, David
Sent: Mon 6/25/2007 3:47 PM
Subject: [Histonet] Paraffin specimen clamp


I cut paraffin sections on a Microm HM 355 microtome.  I recently
received some paraffin samples from Europe and they are rectangular
paraffin blocks measuring approximately 32x22x22mm without any plastic
cassette attached to them.  Does anyone know where I may be able to
purchase a different type of specimen holder/clamp that would hold the
paraffin block directly without the need for a cassette?

Unfortunately, I cannot melt the blocks and re-embed them with

thanks in advance


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