RE: [Histonet] Richard Allan Hematoxylin problems

From:"Molinari, Betsy"

Phew, I thought it was me. I use Hematoxylin 1 (7221) and have the same
Betsy Molinari HT(ASCP)
Texas Heart Institute
Cardiovascular Pathology
6770 Bertner Ave.
Houston,Texas 77030
832-355-6812 (fax)

-----Original Message-----
[] On Behalf Of Paula
Sent: Wednesday, May 21, 2008 3:10 PM
To: Angela Bitting; Gayle Callis; Patty Dunlop;
Subject: Re: [Histonet] Richard Allan Hematoxylin problems

Yes, I am experiencing the same problem.  I haven't changed my protocol,
since it's been in place now for the past 6 years.  About three weeks
ago, my pathologist started complaining that the nuclei is too pale. 

I use their 7211 and I asked for a sample of their Hematoxylin 1. I'll
see if it produces a darker stain. 


---- Angela Bitting  wrote:
> We have always changed our hematoxylin every Sunday night, and just
filtered on the days in between. We've had no change in volumes. Now,
all of a sudden, by Tuesday my hematoxylin staining is so pale that the
docs are screaming. This has been going on for about two weeks now. We
use Richard Allan Modified Harris Hematoxylin. Anyone else seen a change
with that brand? I know there is supposed to be a "shortage" of
hematoxylin right now.
> Angela Bitting, HT(ASCP)
> Technical Specialist, Histology
> Geisinger Medical Center 
> 100 N Academy Ave. MC 23-00
> Danville, PA 17822
> phone  570-214-9634
> fax  570-271-5916 
> No trees were hurt in the sending of this email
> However many electrons were severly inconvienienced!
> >>> "Gayle Callis"  5/20/2008 4:00 PM >>>
> We use xylene to remove coverslips and do this work inside a hood.
> coverslip is off and mounting media is gone with an extra xylene
rinse, we 
> go back to Clearite 3 to rinse off xylene and recoverslip.  Anything
to try 
> an minimize exposure to xylene is done.  Unfortunately, we found the 
> substitute just didn't work for this job.
> Gayle M. Callis
> Bozeman MT
> ----- Original Message ----- 
> From: "Patty Dunlop" 
> To: 
> Sent: Tuesday, May 20, 2008 1:20 PM
> Subject: [Histonet] xylene substitute recoverslipping
> > Hello Histonetters,
> >
> > I use Clear-Rite 3, a xylene substitute, and am having problems when
> > need
> > to recoverslip.  Currently, I just put the slide that needs
> > into a coplin jar of Clear-rite 3 at room temperature.  The
> > really
> > doesn't like to come off (takes a week) and it tends to be a sticky,
> > process.  Does anyone have a method for removing coverslips with a
> > substitute?  Should I use heat?
> >
> > Thanks,
> > Patty
> > _______________________________________________
> > Histonet mailing list
> > 
> > 
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