%0 Journal Article %T 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 exposure %A Alexander Wenk %A Carsten Schleh %A Manuela Semmler-Behnke %A Martin Sch£¿ffler %A Nadine Haberl %A Neil Gibson %A Stephanie Hirn %A Uwe Holzwarth %A Wolfgang G. Kreyling %J Archive of "Particle and Fibre Toxicology". %D 2019 %R 10.1186/s12989-019-0303-7 %X The online version of this article (10.1186/s12989-019-0303-7) contains supplementary material, which is available to authorized users %K Spark ignition generated titanium dioxide nanoparticle aerosols %K Characterization of physicochemical particle properties %K Intratracheal inhalation of freshly generated aerosols %K Translocation across air-blood-barrier %K Accumulation in secondary organs and tissues %K Long-term alveolar macrophage-mediated nanoparticle clearance %K Nanoparticle relocation into the interstitium %K Re-entrainment from interstitium back to lung epithelium for clearance towards the larynx %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6617842/