To Eva,
Wrap the pellet in lens paper,and put it in a cassette to fix and process with your tissues. I would skip the alcohol fixation and spin the cells down in NBF, then proceed with processing and embed as usual. Some antigens don't like alcohol fix.
Jo

>>> "Eva C. Andersson"  05/20/04 03:18PM >>>
Hi everyone,
My lab wants to paraffin embed some cells to be used as positive 
controls for immunohisochemistry staining.
We have a cell line growing but need a good protocol for fixing the 
cells with formalin. Once the cells have been fixed the pellet will be 
embedded in paraffin by our histopathology department.

Does anyone have a good and easy method for the fixation part?

We will deliver the pellet to the histopathology department in 70% ethanol.

Thanks in advance,

Eva Andersson
Research Assistant
Georgetown University



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