Joachim Heyder

TL;DR: The present study suggests that the size distribution of ambient particles helps to elucidate the properties of ambient aerosols responsible for health effects.

TL;DR: Inhaled ultrafine titanium dioxide particles were found on the luminal side of airways and alveoli, in all major lung tissue compartments and cells, and within capillaries, while particle uptake in vitro did not occur by any of the expected endocytic processes, but rather by diffusion or adhesive interactions.

TL;DR: In this paper, the authors presented experimentally determined total and regional deposition data for breathing monodisperse aerosols of a wide particle size range at different patterns through the mouth and nose.

TL;DR: Pulmonary and systemic distribution of inhaled ultrafine elemental silver (EAg) particles was investigated on the basis of morphology and inductively coupled plasma mass spectrometry (ICP-MS) analysis, and it was shown that although instilled agglomerates of ultrafine EAg particles were retained in the lung, Ag was rapidly cleared from the lung after inhalation of ultra Fine silver particles, as well as after instillation of AgNO(3), and entered systemic pathways.

TL;DR: Mortality increased in association with level of ambient air pollution after adjustment for season, influenza epidemics, day of week, and weather, and in two-pollutant models, associations of ultrafine and fine particles seemed to be largely independent of each other, and the risk was enhanced if both were considered at the same time.