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. 2022 Feb 1;27(3):997. doi: 10.3390/molecules27030997

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Visual representation of peak fitting and feature value determination. (a) A single-processed Deep MALDI spectrum showing the fine structure (green) and bumps (yellow) components. (b) Initial peak finding and result of applying the fitting algorithm to the fine structure of a single spectrum in the range 7.5–7.9 kDa. (c) The complete fitting of the same range using the master list of all peaks. The triangles indicate locations of fitted peaks and the red trace at the bottom shows the error in the peak fit.