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(A) PCA scores plot of cultured HeLa cells fixed for 24 h in SurePath and desiccated between each time point (24 h, 1 week, 2 weeks, and 4 weeks). (B, C) Corresponding loading vectors PC1 and PC2, respectively. (D) Photomicrographs of one cell monitored at each time point chronologically from top to bottom.
