Roche Cedex Bio - Page 350

Roche Diagnostics
C-24
Operator’s Manual · Version 3.4
8 Data analysis methods Cedex Bio analyzer
Photometric measurements
Logit/Log 4 calibration mode This mode is used with controls and samples.
The results are determined according to the following equation:
If the standard curve is not defined for a particular rate, the Calc Range flag is
displayed.
Logit/Log 5 calibration mode This mode is used with controls and samples.
The results are determined according to the following equation:
Exponential 5 calibration mode Results are determined according to the following equation:
Sample or control result in standard units.
Rate of sample or control.
Curve parameters.
CC
samp-n
A
K
c
RR
samp-n
R
0
–
---------------------------------- -
1–ln+
B–
-----------------------------------------------------------------
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


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




exp=
CC
samp-n
RR
samp-n
R
0
K
c
A, B,,
Sample or control result in standard units.
Rate of sample or control.
Curve parameters.
fx() Ax Bx C x()exp
RR
samp-n
R
0
–
K
c
RR
samp-n
R
0
–[]–
--------------------------------------------------- -
ln–⋅+⋅+⋅=
fx()
RR
samp-n
R
0
K
c
A, B, C,,
Sample or control result in standard units.
Rate of sample or control.
Curve parameters.
fx() Ax Bx
2
Cx
3
RR
samp-n
R
0
–
K
c
---------------------------------- -
ln–⋅+⋅+⋅=
fx()
RR
samp-n
R
0
K
c
A, B, C,,