Figure 4From: Biological variability dominates and influences analytical variance in HPLC-ECD studies of the human plasma metabolome Biological variability of markers. Biological variability of metabolite concentrations assessed in set 1 (A, 14 samples, 66 metabolites) and set 2 (B, 10 samples, 61 metabolites, 0 time point) of human plasma samples. All data are presented as CV (%), and sorted from largest to smallest CVs to simplify comparisons.Back to article page