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. 2024 Sep 18;131(8):1298–1308. doi: 10.1038/s41416-024-02739-y

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© Waters Technologies Corporation and The Author(s) 2024

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Fig. 3 — Representative REIMS spectra from either normal breast adipose a or invasive breast cancer b. The spectra shown are 1 s scans acquired using cut mode, and subjected to background subtraction and lockmass correction. The PCA c and PCA/LDA d plots compare the overall tissue-type variability between cut and coagulation modes. e–g Differential abundance of selected ions identified by peak picking, used to create a model with only 11 targeted ions.