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. 2020 Feb 10;15(2):e0228772. doi: 10.1371/journal.pone.0228772

Fig 4. Inter-chip variation in GC-FP signal.

Fig 4

The mean GC-FP signals ± Standard Error of the Mean is shown for three replicate biochips. The corresponding signals from a biochip processed with negative control serum is also shown (red dot). Black bars indicate where replicate biochips demonstrated significant difference from the negative control, and asterisks indicates a GC-FP signal significantly different from the negative control (****, p<0.0001; ***, p<0.001; **, p<0.01; *, p<0.05; 2-way ANOVA followed by Fisher’s LSD test for multiple comparisons).