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. 2011 Nov 11;12:439. doi: 10.1186/1471-2105-12-439

Figure 2.

Figure 2

Illustration of the problem considered in SCFIA. The sequence information and the elution time of a peptide in Q1 is known based on Tandem MS identification information on the top panel. On the bottom panel, we are not sure which elution peak is the corresponding feature of the peptide of interest in Q2 due to random elution time shifts.