Re: Frozen secioning fat tissue

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From:"Alan Bright" <>
To:"Ian Montgomery" <>, <>
Date:Fri, 20 Aug 1999 09:10:35 +0100
Content-Type:text/plain; charset="iso-8859-1"

Dear Dr.Montgomery,

I was very pleased to see your comments re. Vacuum Debris Collector & Fan
Cooler Hazards when fitted to cryostats.
These two points seemed to have been overlooked by many cryostat users in
the past, and I am pleased you raised this warning.

I was also pleased to see Peggy A. Wink make a most valid warning on the use
of cryogenic sprays, on infected tissue.

I await comments on these most important issues.

Alan Bright

Bright Instrument Co.Ltd.
St Margarets Way
PE18 6EB

Tel No:+44 (0)1480 454528
Fax No:+44 (0)1480 456031
Web Site:

-----Original Message-----
From: Ian Montgomery <>
To: <>
Date: Thursday, August 19, 1999 10:04
Subject: Re: Frozen secioning fat tissue

> Perhaps spraying is not such a good idea in this instance with, as
>you say, Federal Registry and CAP prohibition. But, can I raise the matter
>of cryostats fitted with vacuum debris collector. Although they have
>filters do they really, or can they really, filter out prion particles. I
>would be a bit more afraid of a constant airflow out the rear of a cryostat
>than a quick blast of  coolant. Plus, some models of cryostat have fan
>coolers, again giving a gentle breeze of air around the cryostat. Open the
>lid and what will you get straight in the face and up the nose.

>Dr. Ian Montgomery,
>West Medical Building,
>University of Glasgow,
>G12 8QQ,
>Tel: 0141 339 8855 Extn. 6602.
>Fax: 0141 330 4100.

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