From: Walter Stafford <STAFFORD@bbri.harvard.edu>
  To  : rasmb@bbri.harvard.edu
  Date: Wed, 12 Nov 1997 11:31:34 -0500 (EST)

cell cleaning

I generally sonicate the windows and centerpieces in 0.1-1.0% SDS for about 
5 minutes in a Branson 1200 sonicator. This seems to work quite well.