Skip to main content
. 2016 Sep 6;6:32797. doi: 10.1038/srep32797

Figure 2. PCA analysis of positive mode data for the ToF-SIMS experiment for 3 rats imaging 15 brain tissues containing the cerebellum and stem regions for SPC-fed versus control samples.

Figure 2

(a) Score plot of the first principle component (t[1]) vs. the third principle component (t[3]) from the spectra. (b) Corresponding loading plot of the first principle component (p[1]) representing the m/z peaks with strong impact on the separation between groups.