Yes.  There is one from Molecular Probes Inc. called slow fade which is
working very well for us.  We can examine samples which are mounted in this
medium repeatedly and for extended periods of time without too much
problems.
 
Sincerely,
 
Kamiar Moin, Ph.D.
Assistant Professor of Pharmacology
Wayne State University School of Meddicine
Detroit, MI 48201
 
Tel:  (313)577-0514
FAX: (313)577-6739
E-mail:  [log in to unmask]