CJ> We were originally running FACSComp at the beginning of each day...but later found our stability was good enough to go to a weekly check up.....but you have to be vigilant for voltage creep on your laser..once you get around 3000 hrs the 488nm argon can start to drop off and get noisy. Of course a clinical lab will not want to do this..once a day, keeps the FDA away >>> Tami Rosario <trosario@cellmate.cb.uga.edu> 03/29/00 12:55PM >>> I have a question for those of you who run FACSComp on the FACSCaliber for QC. Do you run this each time you start up the cytometer or only occasionally. I have been told that I should run FACSComp each day that I run samples, but the beads are fairly expensive. Any alternatives? Thanks, Tami
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