RE: [Histonet] Black artifact on slides. .

From:"Trajkovic, Dusko"

We use Compressed air Duster canisters to blow away the dust on the
slides, created by the labeler. It will not entirely eliminate the
particles, but it will be much better than what you have now.

-----Original Message-----
[] On Behalf Of Henry,
Sent: Tuesday, June 17, 2008 10:06 AM
To: 'Bauer, Karen';
Subject: RE: [Histonet] Black artifact on slides. .

We have dealt with this problem!!!!!!!! We have found that there is so
much glass dust on our slides that we put all of our etched slides in
staining trays and wash them before we cut our blocks. This is very time
consuming so needless to say I have budgeted to replace this instrument.

-----Original Message-----
[] On Behalf Of Bauer,
Sent: Tuesday, June 17, 2008 11:56 AM
Subject: [Histonet] Black artifact on slides. .

Has anyone encountered black, clumpy "stuff" on slides from using a
slide etcher?  It could be compared to graphite particles from writing
on the slides with pencil, but we do not use pencil anywhere.  I'm
thinking it could be the dust from the etcher and I'm wondering if
anyone else has dealt with this.

The pathologists are seeing these particles on our IP slides and
Surgical H&E's.  Since they are stained by two separate stainers, the
only things in common are the washes in tap water and the slides we use.
We tried washing only in Distilled water, but the docs said that the
"stuff" was still there, probably even a little worse.  It's got to be
the debris from the etching.

I'm planning on doing some trial runs with fresh, clean water in the
water bath and with un-etched slides to see if there's a difference.
(We empty and wipe out the waterbaths every day, but if we've placed any
tissue on an etched slide, I'm sure that powder is floating or mixed in
with the water.)  The etched slides do not seem powdery or dirty, but
they could be microscopically.

Any comments or ideas?

Thanks in advance,


Karen L. Bauer HT(ASCP)
Department of Pathology
Histology Supervisor
Luther Hospital
Eau Claire, WI

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