Several years ago, a researcher used a marker on cassettes that bleed off
during the tissue processing. He was horrified at losing the material
naturally. Somehow, he mentioned it to someone who knew someone,
etc....that forensic labs have a means to treat or xray materials to
"see" where ink HAD been. I don't know how but it worked. Thought I would
mention it .  It sure beat discarding irretrievable tissues.
dlongwoodward@bics.bwh.harvard.edu


On Tue, 25 May 1999 09:46:26 -0600 Gayle Callis
<uvsgc@msu.oscs.montana.edu> writes:
>Secureline are the choice here also, even though they have a short
>life.  One thing to be aware of, the RED secureline pen markings on a
> cassette will be totally lost during processing, had a whole 
>research
>project go into the garbage because of this and my language habits 
>went totally downhill, with closed doors!  USE THE BLACK pens.  The 
>red
>pens followed the ruined cassettes/tissues into trash can!
>
>Or we use soft leaded pencils, Tissue Tek had some that worked, but 
>a #2 pencil will work, press hard! 
>
>Gayle Callis
>
>
>

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