7
Troubleshooting
Troubleshooting the Application
Figure 47
The root cause of this focusing failure was that the IPG strip was dried out at
one position so that the conductivity was lost.
Example 3. Reduced Electrical Charge in One Lane
Figure 48
just highlights the different electrical charges (in µAh) that were measured
throughout the focusing for each lane. The signal of electrical charge for lane F
(see arrow) is clearly lower than for the other lanes. Indeed, it could be
verified in a follow-up experiment that the focusing of lane F was impaired.
108
Example 2- current drop during fractionation.
shows an example of a fractionation of eight samples in parallel and
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