Pneumoconiosis after sericite inhalation

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Pneumoconiosis after sericite inhalation.

BACKGROUND Between 1997 and 1999 three sericite plant workers in Parana, Brazil, were diagnosed with pneumoconiosis. AIMS To investigate and describe the radiological, clinical, and pathological changes in miners and millers exposed to sericite dust with mineralogical characteristics of inhaled dust. METHODS The working premises were visited to examine the sericite processing and to classif...

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Microstructural Modification and Characterization of Sericite

Activated sericite was prepared by thermal modification, acid activation and sodium modification, and it was characterized by X-ray diffraction (XRD) analysis, differential scanning calorimetry (DSC), N₂ adsorption test, thermo-gravimetric analysis (TGA), nuclear magnetic resonance (NMR), and scanning electron microscope (SEM). The results indicated that the crystallinity of raw sericite decrea...

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BACKGROUND Talcosis, a granulomatous inflammation of the lungs caused by inhalation of talcum dust, is a rare form of pneumoconiosis. Besides inhalative occupational exposure, intravenous abuse of adulterated drugs is a major cause for this condition. Minerals such as talcum (magnesium silicate) and sand (predominant silicon dioxide) are used to increase both volume and weight of illicit substa...

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Metabolites of Tame after Inhalation

Because tertiary amyl methyl ether (TAME) is used to oxygenate gasoline, the United States Environmental Protection Agency (US EPA) concluded that metabolism and distribution data were needed (US EPA, 1995). These data, along with the developmental (Welsch et al., 2003) and reproductive (Tyl et al., 2003) studies, were to be used for a comprehensive evaluation of the health effects due to expos...

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injury are probably due to increased intracranial pressure,3 but there was no question of this in our patient either symptomatically or on computed tomography. The most logical explanation for the haematoma in our patient was shearing injury to the blood vessels supplying the lower midbrain and upper pons with no damage to brain stem tissue, which might explain why he remained alert and conscious.

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ژورنال

عنوان ژورنال: Occupational and Environmental Medicine

سال: 2005

ISSN: 1351-0711

DOI: 10.1136/oem.2003.012609