Formalin fuming Re: Cryostat decontamination
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From: | Tim Morken <timcdc@hotmail.com> |
To: | mikek@mail.saimr.wits.ac.za, histonet@pathology.swmed.edu |
Reply-To: | |
Content-Type: | text/plain; format=flowed |
Mike,
The formalin fuming method is easy but it is not at all clear that it will
kill organisms buried in dried tissue or OCT-type mounting media. It was
tested only against bacteria in a petri dish and not against viruses.
The method:
Defrost the cryostat. When it is at room temperature put a watch glass of
concentrated formalin (37 percent formaldehyde in water) at the bottom of
the cryostat. Leave overnight. The next day clean out the cryostat and wash
all surfaces with a disinfectant suitable for TB. Allow the cryostat to dry
before using.
I don't endorse this method because no one has proven in a published study
that it really works although it very well may work.
----Original Message Follows----
From: "Mike Kirby" <mikek@mail.saimr.wits.ac.za>
Reply-To: <mikek@mail.saimr.wits.ac.za>
To: <Timcdc@hotmail.com>
Subject: Cryostat decontamination
Date: Mon, 6 Mar 2000 08:48:25 +0200
Tim.
I would be very interested in finding out more about the method using
formalin fumes to decontaminate a Cryostat. Perhaps you would like to post
it on the Histonet as I am sure there will be others equally interested.
Regards.
Mike Kirby
South Africa
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