Ann Maruska asked about a fixative/transfer fluid that would hold 
specimens for weeks without loss of immunoreactivity.  Zinc formalin 
in most of its formulations will do that.

Dick

-- 
Richard W. Dapson, Ph.D.
Anatech Ltd.
Battle Creek, MI
800-ANATECH (800-262-8324)
email@anatechltdusa.com
Web address:  anatechltdusa.com