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Mean 100 * stdev (%) uniformity – Eppendorf AF2200 Plate Reader User Manual

Page 58

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Maintenance
Eppendorf

®

PlateReader AF2200

English (EN)

58

Calculating the precision across the plate

The results of the formula specifies the precision across the plate in % CV (coefficient of variation).

Precision from one measurement to the next

Carry out the following measurement to determine the precision and reproducibility.

Mean value

F

Mean RFU value of the wells filled with fluorophore

Std. deviation

F

Standard deviation of the RFU values of the wells
filled with fluorophore

Parameter

Setting

Measuring mode

Lower fluorescence

Wavelength, excitation

485 (20 nm)

Wavelength, emission

535 (25 nm)

Number of flashes

25

Integration time

40 (μs)

Setting time

0 (μs)

Signal gain

Optimal

Plate type

GRE96fb

Part of plate

A1

Kinetic

20 cycles

Time interval

Minimum

F

F

mean

100

*

stdev

(%)

Uniformity

=