Re: Cedarwood Oil
Thanks for this info! *g*
Connie M.
At 12:45 PM 1/24/02 -0500, Smith, Allen wrote:
> Aldrich (1-800-558-9160) has cedarwood oil (#31,808-6), $43.10 plus
>shipping for 500 ml. Carolina (1-800-334-5551) also has cedarwood oil
>(#8000-27-9), $23.65 plus shipping for 100 ml. Allen A. Smith Barry
>University Miami Shores, Florida -----Original Message-----
>From: Dr. Ian Montgomery
>Sent: Thu 1/24/2002 6:47 AM
>To: histonet@pathology.swmed.edu
>Cc:
>Subject: Fwd: Re: "Overprocessed tissue."
>
>Connie,
> suitable schedules. John's book is one of these texts everyone
>should have, a mine of solid gold nuggets. Cedarwood oil is a bit
>expensive so you'd have to weigh the benefits before using heavily. I
>routinely use chloroform overnight for clearing with a final 15 minutes
>in xylene as the link agent with wax. If it's a tissue I know will be
>difficult then it gets cedarwood oil as the clearing agent.
>Ian.
>
> X-Sender: conmac@cc.usu.edu
>X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.6 (32)
>Date: Wed, 23 Jan 2002 15:53:01 -0700
><>
><>
>Subject: Re: "Overprocessed tissue."
>
>Ian,
> Do you
> I have only heard of using this, never actually
> I would love to try this... if it is economically
> Would you care to share your
>
>
>much thanks from across the Pond
>Connie McManus in Utah
>
>At 01:40 PM 1/23/02 +0000, you wrote:
>>> Recently there has been series of postings regarding
overprocessed
>tissue that have left me totally confused. The object in processing and
>embedding in paraffin wax is the complete removal of water from
tissue and
> tissue
>has been lost and replaced by wax. If that is what's meant then the
>overprocessed tissue is only fit for the rubbish bin. I really think
that
>the term overprocessing should be dropped and replaced by something more
>suitable and probably more accurate such as under processed,
>mis-processed,
>it wasn't me it was the machine and so forth. From the descriptions
people
>give I think water is still present in the tissue or users have moved
away
>from "proper" clearing agents and rely on xylene or a substitute as the
>agent of choice which can result in "crumbly" blocks. I still use
>chloroform, cedarwood oil etc., "real" clearing agents and when the
tissue
>has been thoroughly dehydrated, cleared and embedded the resulting
blocks
>are a dream.
>> Then we have the next wee problem. "How long did you fix the
>tissue." "Oh, not very long, it's only been in Bouin for a couple of
>months. That's alright, isn't it."
>>Ian.
>>
>
>Veterinary Diagnostics Lab
>Utah State University
>Logan, UT
>USA
>fax (435) 797-2805
> Dr. Ian Montgomery,
>Microscopy Service Unit,
>Graham Kerr Building,
>& Life Sciences,
>University of Glasgow,
>Glasgow,
>G12 8QQ.
>Tel: 0141 332 8855 Extn.6644.
>e-mail: ian.montgomery@bio.gla.ac.uk
>
Veterinary Diagnostics Lab
Utah State University
Logan, UT
USA
fax (435) 797-2805
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