68 | Chapter 3: Operation
BioTek Instruments, Inc.
Formula Type
The ELx800™ supports three types of formulas, as well as the ability to define
variables for use within Transformation formulas.
Note: GENERAL formulas are not used.
S E L E C T FORMULA TYPE:
C U T O F F TRANS VAL *M O R E
S E L E C T FORMULA TYPE:
G E N E R A L T R A N S - V A R * M O R E
• CUTOFF formulas are used to classify results. During data reduction,
results are evaluated against the cutoff formulas, and each well is
assigned a user-specified label (POS, NEG, or EQUIV).
•
TRANSformation formulas are applied to the raw data in preparation
for further data reduction and/or curve fit calculation.
•
VALidation formulas can be used to determine whether or not blanks
and/or controls are valid. In addition, Assay Validation formulas can
be used to determine whether or not the entire assay should be
considered valid.
• The
TRANS-VAR option allows you to define a variable to be used in
transformation formulas.
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