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. 2019 Oct 29;6:239. doi: 10.1038/s41597-019-0260-x

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© The Author(s) 2019

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Fig. 1 — Graphical illustration of the process leading to data spatial structure characterization. FT-IR data (left) served as a base for Fuzzy C-means Clustering, which led to obtaining three spatial profiles (right) including proteins, nucleic acids and lipids. Black and white images with color frames present the class membership probability of each profile separately, and RGB image shows a combination of all.