Davidson Marking System offers different color marking inks (orange, yellow,
red, green, blue and black).  We use them prior to processing.  I believe
TBS also has marking inks.

> ----------
> From: 	Wilhelms, Margaret
> B[SMTP:margaret_b_wilhelms@groton.pfizer.com]
> Sent: 	Friday, February 25, 2000 10:01 AM
> To: 	'histonet@pathology.swmed.edu'
> Subject: 	Dye for marking tissue at trim
> 
> I would like to know if anyone uses a dye or ink to mark certain
> structures
> at trimming that will stay in place and be visible after processing (at
> cutting).  I am trimming primate eyes and would like to mark the macula
> (and
> fovea) or the outside of the eye where the macula is so that it would be
> easier to obtain at cutting.  I think I need a color other than black.
> Can
> anyone suggest anything?  Does anyone know of a dye or ink that can be
> applied after processing just prior to embedding?  Thanks in advance for
> your help.
> 
> Meg
> 
>