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Excretion of 65Zn post-injection of uncoated 65ZnO and silica-coated 65ZnO nanoparticles. A. Urinary excretion. B. Fecal excretion. Data are mean ± SE, n=5 rats/group. No differences in cumulative urine and fecal excretion between uncoated and silica-coated 65ZnO nanoparticles were observed.
