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Modulation of pulmonary immune defense mechanisms by sulfuric acid: effects on macrophage-derived tumor necrosis factor and superoxide.

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There is considerable interest in the potential health effects resulting from inhalation of acidic aerosols. However, except for well documented irritant effects and acid-induced changes in lung clearance function, other potential health effects have not been well defined. This study was designed to

Extensive multi-organ necrosis secondary to sulfuric acid ingestion.

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This is a report of a case in which a significant quantity of sulfuric acid was ingested, causing life threatening respiratory distress, secondary to glottic injury and edema, and cardiovascular collapse. Vigorous resuscitive efforts allowed survival through the first 48 hours and two major

Arabidopsis leaf necrosis caused by simulated acid rain is related to the salicylic acid signaling pathway.

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Arabidopsis leaves treated with simulated acid rain (SiAR) showed phenotypes similar to necrotic lesions caused by biotic stresses like Pseudomonad infiltration. Exposure of Arabidopsis to SiAR resulted in the up-regulation of genes known to be induced by the salicylic acid (SA)-mediated pathogen

Sulfuric acid poisoning.

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Deliberate ingestion of a corrosive acid is an unusual manner of death. Sulfuric acid, often used in electrical industry, chemical laboratories, and agriculture, is fatal at a dosage of 3.5-7.0 ml. The mortality rate is quite high, with only 35% recovery rate. Poisoning by sulfuric acid resembles

A rare complication due to sulfuric acid ingestion.

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The authors present a case of pyloric and duodenal obstruction in an 8-year-old child, resulting from accidental ingestion of sulfuric acid. A marked pyloric and duodenal cicatrizing stenosis resulting from ingestion of sulfuric acid is seen infrequently, especially in pediatric age. Sulfuric acid

Death of a toddler due to ingestion of sulfuric acid at a clandestine home methamphetamine laboratory.

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Exposure to strong acids such as sulfuric acid to either the skin or the gastrointestinal or respiratory mucosa will result respectively in significant-occasionally fatal-cutaneous chemical burns as well as devastating corrosive damage to the respiratory and gastrointestinal tracts. Most injuries

[Severe burn due to sulfuric acid: a report case at the National Hospital of Niamey].

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Sulfuric acid is easy to obtain and leads to severe caustic burn. Caustic burns are increasingly common in homicides and suicide. We reported a case of sulfuric acid burn due to a family criminal act. Immediate skin washout was performed and avoided many complications like eyes lesion or their

Effects of fine and ultrafine sulfuric acid aerosols in guinea pigs: alterations in alveolar macrophage function and intracellular pH.

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Acidic sulfate is the most toxicologically important sulfur oxide which exists in the ambient air. To determine if particle size influences toxic effects of sulfuric acid, we investigated the effects of sulfuric acid aerosols of two different sizes on biochemical and cellular parameters of

Acute abdomen as a consequence of an unusual suicide attempt: intra-abdominal injection of sulfuric acid.

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Caustic ingestion is a common cause of life-threatening upper gastrointestinal tract injuries. It mostly happens in children as accidental exposure, but may occur in adults as a result of suicide attempt. We present a case of an acute abdomen that occurred after a peculiar way of self-administration

Assessment of toxicologic interactions resulting from acute inhalation exposure to sulfuric acid and ozone mixtures.

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Studies examining effects of air pollutants often use single compounds, while "real world" exposures are to more than one chemical. Thus, it is necessary to assess responses following inhalation of chemical mixtures. Rabbits were exposed for 3 hr to sulfuric acid aerosol at 0, 50, 75, or 125

Absence of functional peroxisome proliferator-activated receptor-alpha enhanced ileum permeability during experimental colitis.

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The aim of the present study was to examine the role of endogenous peroxisome proliferator-activated receptor-alpha (PPAR-alpha) ligand on the permeability and structure of small intestine tight junctions (TJs) in an animal model of experimental colitis, induced by dinitrobenzene sulfuric acid

Catastrophic gastrointestinal injury due to battery acid ingestion.

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BACKGROUND Acids account for 20% of all chemical exposures through various routes. Caustic acids such as hydrochloric and sulfuric acid are common ingredients in many household and industrial products. Due to the corrosive properties of these substances, tissue injury caused by oral exposure can

He-Ne laser therapy by fibroendoscopy in the mucosa of the equine upper airway.

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OBJECTIVE A study was made of the effects of low-level laser irradiation on the cicatrization of superficial wounds in the pharyngeal mucosa of the horse. METHODS Duplicate pharyngeal mucosal ulcers were induced in 12 Spanish horses with submucosal injection of sulfuric acid. A fibroendoscope and an

Activation of PPARα by Fatty Acid Accumulation Enhances Fatty Acid Degradation and Sulfatide Synthesis.

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Very-long-chain acyl-CoA dehydrogenase (VLCAD) catalyzes the first reaction in the mitochondrial fatty acid β-oxidation pathway. VLCAD deficiency is associated with the accumulation of fat in multiple organs and tissues, which results in specific clinical features including cardiomyopathy,

Acid burns of the rectum and colon. Report of a case.

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The case of a patient with acid burns of the large bowel from a self-administered enema of 95 percent sulfuric acid solution is reported. The authors were unable to find a similar case in the English medical literature. The patient presented in metabolic acidosis, and flexible sigmoidoscopy was of

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