... surface area and containing absorbedpolycyclic aromatic hydrocarbons, transition metals and other substances. Ultrafine particles and soluble chemicalscan be transported from the airways to other ... Scymczak W, Wenk A, Mayer P,Takenaka S, Oberdorster G: Size dependence of the translocation of inhaled iridium and carbon nanoparticle aggregates from the lung of rats to the blood and secondary ... ole @cancer. dk1Institute of Cancer Epidemiology, Danish Cancer Society, Strandboulevarden49, 2100 Copenhagen, DenmarkFull list of author information is available at the end of the articleRaaschou-Nielsen...