Date: Wed, 5 Jul 2000 14:31:19 -0400
From: ANATECH LTD <email@anatechltdusa.com>

Please update your files. Our website address is www.anatechltdusa.com. If
you go to ww.anatech.com you will find you are at a the website of an
engineering company.

>> We had problem with prefer-fixed tissue and immunos ... have
>> discontinued use.
>
>  Can you tell us all what the problem was?
>
>  Although the exact composition of Anatech's "Prefer" fixative
>  is a trade secret, its active ingredient (glyoxal) and mode
>  of action (aldehyde reactivity similar to formaldehyde's) are
>  clearly explained in Anatech's literature (www.anatech.com)
>  and in some peer-reviewed publications (e.g. Dapson, 1993
>  Biotech Histochem 68:75-82). Glyoxal fixation has also been
>  explained in various HistoNet messages that should be findable
>  in the Archives.
>
>  Any problem encountered with a glyoxal-based fixative but not
>  with formaldehyde would be of general interest. So, for that
>  matter, would any applications for which glyoxal turns out
>  to give better fixation or antigen preservation.

Ada T. Feldman MS, HT/HTL(ASCP)
Director of Manufacturing & Technical Services
ANATECH LTD.
1020 Harts Lake Road
Battle Creek, MI  49015
800-262-8324 or 616-964-6450
Fax 616-964-8084
E-mail: email@anatechltdusa.com
http://www.anatechltdusa.com