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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Radiat Res. 2017 May 5;188(1):21–34. doi: 10.1667/RR14656.1

FIG. 1.

FIG. 1

Multivariate and univariate data analysis of urine and serum metabolomics. Panel A: PCA analysis of urine ESI− data reveals distinct clustering of all 1 Gy groups, with time separation on component 1. Serum ESI+ data show time-dependent separation, with unique metabolic profiles for 1 Gy neutrons vs. X rays at day 1 only. Panel B: Volcano plot analysis for urine shows ions that are significantly perturbed on both days 1 and 7 postirradiation (red), while serum metabolomics is more informative at day 1.