Glossary of Terms 309
V4.2 LabChip GX User Manual PerkinElmer
End Time
This setting determines the time after the start of a run before which
the last peak or fragment will be located (any peaks appearing after
this time are ignored).
Filter Width
This setting on the Peak Find Tab determines the width of the
polynomial (in seconds) to be applied to the data for filtering (noise
reduction). The default depends on the assay selected.
Genomics Quality Score [0-5]
Calculated in gDNA assays to measure the quality (relative
intactness) of the gDNA. The Genomics Quality Score ranges from
0 to 5, where 5 represents the highest quality of gDNA. The
Genomics Quality Score can be used to measure the quality of
gDNA before proceeding with further analysis of the sample. The
Genomics Quality Score displays in the Well Table View.
GXD Files
The file extension for data files created in the LabChip GX software.
The data file contains the data from the read, assay information,
analysis settings, and Run Information for the run.
Data is saved to the file as each well is read. If a run is stopped
before the run is complete, the data for any completed wells is
saved in the data file.
The file name is specified during the run in the Start Run Window.
Hardware Diagnostics
Whenever a run begins, the instrument checks for errors (e.g.,
defective high-voltage supplies, missing conductivity between wells,
etc.). If an error is detected, a message box displays and the run
stops. The message box describes the problem and either contains
information on how to resolve the problem or directs you to call
PerkinElmer Technical Support (see page 3).
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