نتایج جستجو برای: carbon monoxide

تعداد نتایج: 282315  

Journal: :Chemical research in toxicology 1997
S R Thom Y A Xu H Ischiropoulos

Carbon monoxide causes a perivascular oxidative injury in animals, and we tested the hypothesis that endothelial cells could be a source of the injurious oxidants. Studies were undertaken to assess whether exposure to carbon monoxide would cause cultured bovine pulmonary artery endothelial cells to liberate reactive species. Concentrations of carbon monoxide between 11 and 110 nM caused progres...

Journal: :CMAJ open 2015
Eric Lavigne Scott Weichenthal Joan Wong Marc Smith-Doiron Rose Dugandzic Tom Kosatsky

BACKGROUND The epidemiology of mortality and morbidity from carbon monoxide poisoning in Canada has received little attention. Our objective was to evaluate trends in mortality and hospital admission rates for unintentional nonfire-related carbon monoxide poisoning across Canada. METHODS Age- and sex-standardized mortality (1981-2009) and hospital admission (1995-2010) rates by age group, sex...

Journal: :journal of sciences islamic republic of iran 0

aprotic diazotization of anthranilic acid with isoamylnitrite or amylnitrite gave benzenediazonium-2- carboxylate. subsequent thermal decomposition of this diazonium salt (in situ) in 1,2-dichloroethane as a solvent at 85oc and in the presence of 2,5-diethyl-3,4-diphenylcyclopentadienonaes a trapping agent gave 1,4-diethyl-2, 3-diphenylnaphthalene in high yield, after loss of carbon monoxide. a...

2009
Beng Leong Lim Ghee Hian Lim Eillyne Seow

Carbon monoxide poisoning has been reported as a result of exposure to various sources of smoke, such as car exhaust fumes, home water heaters and tobacco smoke. We describe a case of symptomatic, moderately severe carbon monoxide (CO) poisoning in a young Mediterranean man after smoking a waterpipe, or shisha. This case highlights the importance of considering carbon monoxide exposure in patie...

Journal: :Environmental Health Perspectives 1978
P L Auger B Levesque R Martel H Prud'homme D Bellemare C Barbeau P Lachance M Rhainds

Carbon monoxide, a gas originating from incomplete combustion of carbon-based fuels, is an important cause of human deaths. In this paper, we describe an unusual carbon monoxide poisoning in a dwelling without obvious sources of combustion gases, for which two adults had to be treated in a hyperbaric chamber. Carbon monoxide readings were taken in the house and in the neighboring homes. Methane...

Journal: :asia pacific journal of medical toxicology 0
awatef tahouri physiology-pharmacology and environmental health laboratory, department of life sciences, dhar el mahraz faculty of sciences, sidi mohamed ben abdallah university, fez, morocco badiaa lyoussi physiology-pharmacology and environmental health laboratory, department of life sciences, dhar el mahraz faculty of sciences, sidi mohamed ben abdallah university, fez, morocco sanae achour faculty of medicine and pharmacy, sidi mohamed ben abdallah university, fez, morocco.toxicology unit, central laboratory of medical analysis, hassan ii university hospital, fez, morocco

background: carbon monoxide (co) poisoning has remained a common, serious and often unrecognized event and constitutes a public health problem in morocco. the objective of this study is to describe the epidemiological and clinical profile and risk factors of co poisoning in the region of fez-boulemane, morocco. methods: this is a retrospective study on co poisoning cases occurred in the region ...

2016
Ranjan Roy Gangadhar Andaluri William Miller

Carbon monoxide is colorless, odorless and non-irritating gas that is produced via incomplete combustion. It can be produced from both natural and man-made sources. A few of the most important sources include exhaust from automobiles, inadequately adjusted appliances, furnaces, and fireplaces. Carbon monoxide released into the atmosphere converts to carbon dioxide. However, this can take up to ...

2002
Chong Gu Guang-Hua Gao Yang-Xin Yu Tomoshige Nitta

In this paper, the separation of binary gas mixture carbon monoxide and hydrogen using single-walled carbon nanotubes (SWNTs) is studied by grand canonical Monte Carlo (GCMC) simulation. All of the particle–particle interactions between hydrogen, carbon monoxide and carbon are modeled with Lennard–Jones potential. Widom test particle method in NVT ensemble is used in determining chemical potent...

Journal: :Revista panamericana de salud publica = Pan American journal of public health 2009
Heather C Galada Patrick L Gurian Veronica Corella-Barud Frank G Pérez Gilberto Velázquez-Angulo Susana Flores Teresa Montoya

OBJECTIVES Low-income residents of northern Mexico rely on unvented heaters during the winter, a practice that puts them at elevated risk for carbon monoxide intoxication. The goal of this study is to develop a communication protocol for carbon monoxide intoxication risks among the primarily low socioeconomic status population of Ciudad Juárez, Chihuahua, Mexico. METHODS The mental models ris...

Journal: :Hypertension 2003
Chia-Hui Lin Wan-Chen Lo Michael Hsiao Ching-Jiunn Tseng

Carbon monoxide has been identified as an endogenous biological messenger in the brain. Heme oxygenase catalyzes the metabolism of heme to carbon monoxide and biliverdin. Previously, we have shown the involvement of carbon monoxide in central cardiovascular regulation, baroreflex modulation, and glutamatergic neurotransmission in the nucleus tractus solitarii of rats. We also showed that adenos...

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