Fig. 4
From: Silica coating influences the corona and biokinetics of cerium oxide nanoparticles
Elimination of 141Ce post-IT instillation. a. Only 0.03 % – 0.05 % was excreted in the urine in 28 days. b However, 19 % of 141Ce from uncoated and 12 % from silica-coated CeO2 was excreted in the feces. Data are mean ± SEM, n = 5/group