A question for EPICS XL users. We see a conistant 5-7% decrease in the mean intensity of fluorescent microspheres measured by our EPICS XL over a period of 3 hours from morning start up. Ambient room temperature varies less than 2 degrees. Coulter is not sure if this exceeds any of their specifications for performance. My question is if this is a systemic problem. Do any other XL users see similar behavior? Thanks gary Gary Durack University of Illinois Biotechnology Center voice (217) 244-0559 fax (217) 244-0466 durack@uiuc.edu http://www.life.uiuc.edu/biotech
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