Fig. 5From: Landscape of lipidomic metabolites in gut-liver axis of Sprague–Dawley rats after oral exposure to titanium dioxide nanoparticlesAbsolute quantitative lipidomics verified changes of the concentrations of PCs in serum. Compared with the control group, the concentration of three kinds of PCs in serum of the 50 mg/kg TiO2 NPs treated group changed significantly. PC(16:0/20:1) increased significantly, while PC(18:0/18:0) and PC(18:2/20:2) decreased significantly. Significant difference compared with the control group (∗ p < 0.05)Back to article page