Bio-rad Microplate Manager Software Manuel d'utilisateur Page 43

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Analyzing Data Using a Standard Curve
35
Semi-log Fit
When Semi-Log is selected in the Curve Fit dialog box, a plot of the response (y
axis) vs. the logarithm of the concentration (x-axis) is obtained as shown below:
For the semi-log fit, the equation is:
y = Slope*Log
10
(conc)+ Intercept
The calculated intercept, slope, the correlation coefficient (r) and chi
2
values of the
line are shown below the plot.
The semi-log standard curve fitting option should be used when a linear plot of the
data exhibits a strong curvature up or down.
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