RE: FLT-1/FLK-1 ISH
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From: | "Greer, Patricia" <pwg1@cdc.gov> |
To: | "'AndreaH@imclone.com'" <AndreaH@imclone.com>, HistoNet Server <histonet@pathology.swmed.edu> |
Reply-To: | |
Content-Type: | text/plain; charset="iso-8859-1" |
Andrea,
You're right, there's little difference in paraformaldehyde and 10%NBF.
Paraformaldehyde is a polymerized(solid), form of formaldehyde which is
dissolved in water or PBS with heat and stirring. 10% NBF is made from a
37-40% formalin solution of the gaseous formaldehyde with methanol added as
a stabilizer. Our molecular biologists prefer fixation (when they have a
choice) in freshly made 4%paraformaldehyde in DEP treated PBS especially for
RNA work.
***********************
Patricia W. Greer, MT,HTL(ASCP)
Centers for Disease Control
Infectious Disease Pathology
Mail Stop G-32
Atlanta, GA 30333
phone: 404-639-2811
-----Original Message-----
From: AndreaH@imclone.com [mailto:AndreaH@imclone.com]
Sent: Tuesday, February 15, 2000 11:55 AM
To: HistoNet Server
Subject: Re: FLT-1/FLK-1 ISH
I thought there was little or no difference between 4% paraformaldehyde and
10% neutral buffered formalin. Will a chemist step in and resolve my
confusion??
>Date: 11 Feb 2000 05:34:11 -0600
>From: "Shelton, John" <shelton@ryburn.swmed.edu>
>Subject: FLT-1/FLK-1 ISH
>Some suggestions:
>#225# Paraformaldehyde instead of formalin
>John Shelton
>Research Scientist
>UT Southwestern
>(214)648-1451
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