
Chapter 3 Preparing Samples
3-58 PerSeptive Biosystems
3
NOTE: You can correct for systematic errors introduced by
a sample preparation device by aligning the sample plate in
the Voyager Workstation. See Section 2.7, Aligning the
Sample Plate.
If you are using different sample preparation devices, you
can compensate for different systematic errors by creating
different .PLT files and sample plate alignments for each
system.
Effect of plate type
on area available
for analysis
When creating search pattern files, consider the plate types
used:
• If you are using laser-etched position plates, the area
available for analysis is limited to the well or laser-etched
position size (2,540 µm on a 100-well plate).
• If you are using plates with polished blank surfaces, the
area available for analysis is determined by the proximity
of other positions specified. Approximately half the
distance between the X,Y coordinates of two adjacent
positions is available for analysis of each position. For
example, if the center X,Y coordinates of the two
positions are 5,080 µm apart (plus positional tolerance,
see below), approximately 2,540 µm around the
X,Y coordinates is available for analysis of each position
(Figure 3-12 on page 3-60).
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