Comparison of properties of dust in alveolar of rats and the workplace

The purpose of this study was to analyze the α-SiO2 content, composition, dispersion, morphology, and free radical content of dust between the alveolar and the workplace, to explore the possible changes in the properties (especially the pathogenicity) of dust after it enters the lung.We collected the dust in the workplace in HANDAN Coal mine. They were selected by a 400 mesh sieve and was made a suspension of 50 mg/ml, which would be used to...