
Action
Step
In the pre-capture screen, tap Select next to Step 1: Select area of interest
(1). Tap and drag to select the area of interest (2).
7
Tap Select next to Step 2: Select background. Tap and drag to select the
background area.
8
Note:
The SNOW algorithm calculates signal and noise from the region of interest
and the selected background area. Select a flat background area that is free
from bands, stain speckles, or dust. If it is not possible to select such a back-
ground area, for example if a post-stained gel exhibits many dye speckles in
the gel background, it is recommended to select a smaller area, or an area
next to the gel.”
Amersham ImageQuant 800 User Manual 29383813 AA
77
3 Handle methods in ImageQuant 800 control software
3.6 Fluorescence image capture
3.6.4 SNOW fluorescence exposure