Biokinetics and effects of barium sulfate nanoparticles
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چکیده
منابع مشابه
Toxicity and Biokinetics of Colloidal Gold Nanoparticles
Gold nanoparticles (Au-NPs) have promising potential for diverse biological application, but it has not been completely determined whether Au-NP has potential toxicity in vitro and in vivo. In the present study, toxicity of Au-NP was evaluated in human intestinal cells as well as in rats after 14-day repeated oral administration. Biokinetic study was also performed to assess oral absorption and...
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A woman was evaluated for dyspnea after she inhaled barium sulfate during an upper gastrointestinal barium study that was administered by means of a percutaneous endo scopic gastrostomy tube. A plain radiograph of the chest revealed alveolar barium sulfate depositions (arrows) in the middle lobe of the right lung and in the lower lobes and the posterior aspects of the upper lobes of both lungs ...
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Reflux of barium sulfate preparations into the biliary tract is rare, but serious complications have been recorded. To consider the implications of such reflux through enterobiliary stents, the literature was reviewed. A case illustrating such an occurrence is presented. Based upon the limited literature available, barium suspension may be retained in particular circumstances and cause or contr...
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Flotation is, doubtless, the most important process among the various techniques used for the treatment of ore. This generalpurpose technique allows the treatment of several complex ores (lead zinc, copper zinc), sulphides (copper, lead, and zinc), oxides (hematite, quartz), oxidized minerals (malachite, cerusite) and even non-metal ores (fluorite, phosphate, coal). Due to the flotation, it is ...
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Alveolarization of the barium sulfate and subsequent retention of barium sulfate for years was demonstrated in three patients in whom dilute suspension of barium sulfate in water was used for bronchography. Pathologic examination in one patient showed barium sulfate within macrophages in the alveolar spaces and walls and in the perivascular and peribronchial interstitium. Since the residual bar...
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ژورنال
عنوان ژورنال: Particle and Fibre Toxicology
سال: 2014
ISSN: 1743-8977
DOI: 10.1186/s12989-014-0055-3