PerkinElmer QuantaSmart 1694267, Reference Manual

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THE SYSTEM SOFTWARE
PerkinElmer Life and Analytical Sciences 51
Refresh Trees
This menu item allows you to update the Protocols and Replay trees in the main
window. The Replay tree is automatically updated whenever a new assay is
counted. Refresh Trees is only necessary to clear report entries from the tree
displays.
Libraries Menu
Figure 4-22 Libraries Menu
The Library Concept
Radionuclide information is stored and accessed in the Nuclide Library. The
Nuclide Library consists of the Quench Standards and Sample Nuclides Libraries.
If your instrument is equipped with an Alpha Beta option, an Alpha Beta
Standards and an Alpha Beta Nuclides Library will also be included.
The Quench Standards Library (requires single/dual/color DPM option on the
2800TR) is comprised of quench sets, with each quench set containing individual
quench standards. The data from the quench standards is used to construct
quench curves for calculating DPM (Disintegrations Per Minute) in DPM Assays.
Quench Standards are counted once and the entire spectrum for each quench
standard is stored independent of assay information. This allows you to select and
use the same quench set in any number of assays and construct a quench curve
for each sample at the time the sample is counted.
The Sample Nuclides Library allows you to specify and save nuclide names,
counting region limits and quench sets for sample nuclides. Up to three nuclides
can be defined for each entry to support the counting of multiple nuclides. These
sample nuclide parameters are typically specified as part of the assay definition
process and may be edited as needed.
The Alpha Beta Standards and Alpha Beta Nuclides Libraries (not available on the
2800TR) are used in the same manner as the Quench Standards and Sample
Nuclides Libraries. The information stored in these libraries is relevant only when
performing Alpha Beta Assays, where both an Alpha-emitting and a Beta-emitting
radionuclide are quantified independently within the same sample vial.