In a message dated 12/03/99 16:59:41 GMT Standard Time,
jkiernan@julian.uwo.ca writes:

> You don't need to do anything. The mounted paraffin ribbons
>    will keep for ever

I think it depends what you want to use them for. Our experience with immuno (
particularly ER's) suggests that unless the p/wax slides are frozen at -20oC
antigenicity will be lost in a matter of days. I seem to recall that amyloid
degenerates on keeping too.


Glyn Woodward