sulfuric acid/inflamação

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Sulfuric acid-induced changes in the physiology and structure of the tracheobronchial airways.

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Sulfuric acid aerosols occur in the ambient particulate mode due to atmospheric conversion from sulfur dioxide (SO2). This paper describes the response of the rabbit tracheobronchial tree to daily exposures to sulfuric acid (H2SO4) aerosol, relating physiological and morphological parameters.

Acute generalized exanthematous pustulosis (AGEP) due to exposure to sulfuric acid and bromic acid vapor: a case report.

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Acute generalized exanthematous pustulosis (AGEP, toxic pustuloderma, pustular drug eruption) is a not uncommon cutaneous reaction pattern that is usually related to drug administration. The eruption is of sudden onset and appears 7-10 days after the medication is started. A 22-year-old male patient

Sulfuric acid aerosol exposure in humans assessed by bronchoalveolar lavage.

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Epidemiologic and experimental evidence suggests that exposure to acidic aerosols may affect human health. Brief exposures to acidic aerosols alter mucociliary clearance and increase airway responsiveness, but effects on host defense mechanisms at the alveolar level have not been studied in humans.

Neurokinin-1 receptor antagonist inhibits short-term sulfuric-acid-induced airway hyperresponsiveness in sensitized guinea pigs.

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BACKGROUND Tachykinins are involved in the development of bronchial inflammation and airway hyperresponsiveness (AHR); however, the role of the neurokinin-1 (NK(1)) receptor in acid-aerosol-induced bronchial impairment in asthmatic patients remains controversial. METHODS To investigate the effects

Response of the tracheobronchial mucociliary clearance system to repeated irritant exposure: effect of sulfuric acid mist on function and structure.

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This study was designed to determine quantitative and temporal alterations in tracheobronchial mucociliary clearance function and structure due to repeated inhalation exposures to a common irritant, sulfuric acid mist. Rabbits were exposed to 250 micrograms/m3 sulfuric acid (0.3 micron) for 1 h/day,

Assessment of early alveolar particle clearance and macrophage function following an acute inhalation of sulfuric acid mist.

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Rabbits were exposed to submicrometer sulfuric acid mist at 1 mg/m3 for 1 hr to assess effects on alveolar region clearance of a polystyrene latex tracer aerosol. Bronchopulmonary lavage was performed at selected times after exposure for functional characterization of alveolar macrophages. In vivo,

Toxicological interactions in the respiratory system after inhalation of ozone and sulfuric acid aerosol mixtures.

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A factorial design study was performed to examine the acute effects of inhaled acid particles alone and in mixtures with ozone to test the hypothesis that acid particles and ozone would act synergistically. Sprague-Dawley rats were exposed nose-only for a single 4-h period to all 9 possible

Functionalized carbon nanotubes as the pseudostationary phase for capillary EKC separation of non-steroidal anti-inflammatory drugs.

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Functionalized multiwalled carbon nanotubes (f-MWCNTs) can serve as the pseudostationary phase (PSP) for the capillary EKC separation of non-steroidal anti-inflammatory drugs (NSAIDs). To increase their hydrophilicity, we treated MWCNTs, with a sonochemical process in a concentrated nitric/sulfuric

Long-term intermittent exposure to sulfuric acid aerosol, ozone, and their combination: alterations in tracheobronchial mucociliary clearance and epithelial secretory cells.

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Understanding the effects from long-term exposure to individual ambient air pollutants and mixtures of pollutants is necessary for adequate assessment of health risk. This study examined quantitative and temporal alterations in tracheobronchial mucociliary clearance function and bronchial epithelial

Baltic amber teething necklaces: could succinic acid leaching from beads provide anti-inflammatory effects?

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Baltic amber teething necklaces have been popularized as a safe and natural alternative to conventional or pharmacological medicines for the management of teething pain. However, claims made by retailers regarding the efficacy and mechanism of action of these necklaces lack scientific

Nano-crystalline cellulose: Preparation, modification and usage as sustained release drug delivery excipient for some non-steroidal anti-inflammatory drugs.

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Nano crystalline cellulose (NCC) has gained attention in the pharmaceutical industry owing to its biodegradable nature and high mechanical properties. In the present work we reported preparation of NCC from cellulose isolated from a bio-waste, its modification and exploration as drug delivery

Knockout of Ste20-like proline/alanine-rich kinase (SPAK) attenuates intestinal inflammation in mice.

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Inflammatory bowel diseases are characterized by epithelial barrier disruption and alterations in immune regulation. Ste20-like proline/alanine-rich kinase (SPAK) plays a role in intestinal inflammation, but the underlying mechanisms need to be defined. Herein, SPAK knockout (KO) C57BL/6 mice

Removal of non-steroidal anti-inflammatory drugs ibuprofen and ketoprofen from water by emulsion liquid membrane.

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In this work, the removal of the worldwide non-steroidal anti-inflammatory drugs ibuprofen (IBP) and ketoprofen (KTP) by emulsion liquid membrane (ELM) was carried out. An ELM system is made up of hexane as diluent, Span 80 as the surfactant and sodium carbonate as the inner aqueous solution. Effect

Ginsenoside Rb1 and its metabolite compound K inhibit IRAK-1 activation--the key step of inflammation.

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In the preliminary study, ginsenoside Rb1, a main constituent of the root of Panax ginseng (family Araliaceae), and its metabolite compound K inhibited a key factor of inflammation, nuclear transcription factor κB (NF-κB) activation, in lipopolysaccharide (LPS)-stimulated murine peritoneal

Anti-inflammatory effect of a novel food Cordyceps guangdongensis on experimental rats with chronic bronchitis induced by tobacco smoking.

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Cordyceps guangdongensis T. H. Li, Q. Y. Lin & B. Song (Cordycipitaceae) is a novel food approved by the Ministry of Public Health of China in 2013. Preliminary studies revealed that this novel food has multiple pharmacological activities such as anti-fatigue effect, antioxidant ability, prolonging

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