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. 2014 Apr 15;4:4698. doi: 10.1038/srep04698

Figure 5. Loading spectra of principal component analysis (PCA).

Figure 5

Loadings exhibit the spectral differences of viable Saos-2 cells compared to (a) early apoptotic, (b) late apoptotic and (c) necrotic Saos-2 cells. Loadings of PCA depict specific peak shifts due to (d) early apoptosis, (e) late apoptosis and (f) necrosis in SW-1353 cells.