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Figure 9 | BMC Bioinformatics

Figure 9

From: NITPICK: peak identification for mass spectrometry data

Figure 9

Observed (top) and reconstructed (bottom) mass spectrum in the m/z 775–782 range. The separation of two heavily overlapping isotope distribution clearly illustrates the benefits of NITPICK's intensity model-based approach to the peak picking/feature extraction problem: the second isotope peak ofthe isotope distribution located at m/z 779.32 (charge 2) and the monoisotopic peak of the distributionlocated at m/z 780.35 (charge 2) are exactly superimposed and can only be distinguished by takingintensity information into account.

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