[Histonet] tissue microarray problem

Helen Fedor hfedor <@t> jhmi.edu
Tue Sep 28 15:27:12 CDT 2004

Move the handle back and forth a couple of times and then gently Tamp
on top of the stylus. these two steps have always take care of any
resistant core removal.

Helen L. Fedor B.S.
Johns Hopkins University
Pathology Department
600 N Wolfe St
Marburg Room 406
Baltimore MD 21287
email: hfedor <@t> jhmi.edu
Phone: 410 614-1660
Pager: 410 283-3419

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>>> Jacqueline Miller <Jacqueline.Miller <@t> UTSouthwestern.edu> 09/28/04
03:57PM >>>
Hi everyone,

I'm making several practice tissue microarrays, and I'm having a lot
problem with not being able to retrieve the donor core.  In other
after I punch the donor block, the core does not stay in the needle as
the needle is withdrawn.  Instead, the core remains in the block and
only way to get it out is to pry it out, which ruins the surrounding
tissue.  I appreciate any tips that anyone can offer as to how to
retrieve the core when this happens, or better yet, how to keep this
from happening in the first place.


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