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10.
Press the light source button for the channel you wish to set exposure and adjust
the exposure using the light source slider. Repeat the procedure for the
remaining channels, if desired.
11.
After setting the exposure, press Done to return to the Capture screen.
To return to the Capture screen without changing the exposure, press Cancel.
12.
On the Capture screen, select the Collect channels check boxes for the channels
you wish to capture.
13.
Press Capture.
The instrument temporarily captures the image and displays the results (total
concentration, percentage and concentration of cells counted in each fluorescence
channel). For more information, see “View results“ on page 34.
• To identify the objects (i.e., cells) counted in each channel, press More to go to the
Advanced
™
screen (“Identify objects counted“ on page 34).
• To see the distribution of cells counted through each channel in a graphical
format, press the Graph button (“Graph count results“ on page 36).
• To gate the results by object size, brightness, circularity, or relative fluorescence
intensity, first press More to open the Advanced
™
screen, then press Adjust to go
to the Adjust screen (“Gate count results“ on page 37).
Note:
You can save the changes you make to the size, brightness, circularity, and
relative fluorescence intensity parameters in the Adjust screen to the current
profile or as a separate profile directly from the Advanced
™
• To calculate the volume of cell sample and buffer needed to reach a desired
concentration based on the count results, press Dilution Calculator to open the
Dilution Calculator application (Chapter 6, “Dilution calculator“)
Next steps
Chapter 5
Fluorescence assays
Count cell fluorescence
5
Countess
™
II FL automated cell counter User Guide
33
Содержание Invitrogen Countess II FL
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