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Table 1 Examples of the experiments conducted using control samples with different settings applied in the MS instrument

From: A simpler method of preprocessing MALDI-TOF MS data for differential biomarker analysis: stem cell and melanoma cancer studies

Sample group

Total samples

Deflection mass

(user-controlled)

Delay time

(instrument-controlled)

Calibration standard

(user/instrument-controlled)

Total m/z points

Intra-sample variation (in-between m/z ranges 800-3500)

Control

(Plate 1)

15

650 da

9993 ns

Internal

198592

95223 points ± 824

Control

(Plate 2)

21

650 da

9993 ns

Internal

198592

95213 points ± 3

Control

(Plate 3)

10

450 da

9999 ns

Internal

198584

95200 points ± 825

Control

(Plate 4)

16

450 da

9999 ns

External

198584

95199 points ± 3

Control

(Plate 5)

10

450 da

10003 ns

External

198602

95211 points ± 3