Try wiping the plate, blade, and/or slides with one of the anti-static
sheets sold for use in clothes dryers.  Cheap and effective.

>Date: Thu, 17 May 2001 08:54:05 +0100
>From: "t.hacker@har.mrc.ac.uk" <T.Hacker@har.mrc.ac.uk>
>Subject: Cryostat phenomenon
>To: "'Histonet'" <Histonet@pathology.swmed.edu>
>
>  Has anyone encountered a phenomenon that I occasionally get
>with cryostat frozen sectioning. I assume it is due to static
>electrical charges? the sections tend to "leap" from the knife edge
>onto the slide, the slide may be some several centimeters from the
>section/knife holder.