Lower O2 limit - DatLab

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Bioblasts - Richard Altmann and MiPArt by Odra Noel
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Lower O2 limit - DatLab

Description

A Lower O2 limit [µM] can be defined in DL protocols for each chamber, to trigger an automatic warning when the experimental O2 concentration declines below this limit as a WARNING to remind the user that re-oxygenation of the medium may be required. In DatLab 7 set the lower O2 limit in the pull-down menu 'Protocol' \ Set DL-Protocol / O2 limit.

Protocol menu
» Run DL-Protocol/Set O2 limit
O2-limit warning button
Lower O2 limit [µM]. When checked, an automatic warning notifies the user when the actual oxygen level falls below the specified value for the according chamber: A red flashing "WARNING" button in the status line (DatLab window bottom, right) appears and a "WARNING" event is set in the plot. To reset the actual warning status (to notify the next possible fall-below), the red flashing "WARNING" button has to be clicked. First, a 'Warning window' opens to show all warnings during the experiment. After closing the window, the reset is completed.
The lower O2 limit should be considered in relation to the critical oxygen concentration, which differs between isolated mitochondria, large cells, and permeabilized muscle fibers.


Keywords: Oxygen signal


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DatLab, DL7