Study and Physicochemical Characterization of the Diesel Particles Inducing Bronchopulmonary Obstructions and Inflammation

Abstract

Micro-Visiography reveals that diesel soot particles are soluble in the physiological pulmonary liquid. It also shows that these substances stick to bronchial capillary walls. Electronic microscopy reveals structures of non-homogeneous morphology with spherical, fibrous and platelet-like structures. Analysis of the surfaces of the aggregates by Energy-dispersive X-ray microanalysis (EDX) shows the composition of chemical charges. Besides, X-ray diffraction and thermogravimetric study show the existence of two phases: organic and crystalline, with a rubber elastomer aspect. Infrared and UV-Visible spectroscopic analysis confirmed the existence of reactive chemical groups.

Keywords

• diesel soot particles, pulmonary obstruction, micro-visiography