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. 2023 Jul 11;57(29):10542–10553. doi: 10.1021/acs.est.3c01746

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© 2023 The Authors. Published by American Chemical Society

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(A) pLSA score plots of MALDI profiles in different CCS areas in positive and negative ionization modes (n = 9). (B) Ion images of metabolites and lipids in sections of CCS between TCS-exposed and control groups. The range of intensity values was indicated from 0 to 100%. The color gradient used was a heat map, with white indicating the highest intensity and blue indicating the lowest intensity. The intensity values were normalized to the TIC for each pixel. All scale bars were 500 μm.