Fig. 7From: Quantitative biokinetics over a 28 day period of freshly generated, pristine, 20 nm titanium dioxide nanoparticle aerosols in healthy adult rats after a single two-hour inhalation exposureComparison of the daily urinary excretion for three types of inhaled, 20-nm sized nanoparticles. Mean daily urinary excretion (± SEM) for n = 4 rats of each group analyzed at different retention days. a: [48V]TiO2-NP; b: [192Ir]IrNP; c: [195Au]AuNPBack to article page