[RASMB] Abrupt change in intensity

Maluf, Nasib K nasib-maluf at uiowa.edu
Thu Aug 10 07:36:13 PDT 2006


Dear All,
 
I have attached the raw intensity data for a recent sedimentation velocity experiment.  The first 18 scans showed a baseline intensity around 23000 counts (for both air and buffer).  Then for scan 19, the intensity suddenly increased to around 35000 counts and contained much more systematic noise.  According to the header files for every scan, the wavelength was set at 260 nm.  What is going on?
 
Thanks for any help,
 
Karl Maluf
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