Sleep apnea

Regulating 'gasotransmitters' could improve care for sleep apnea

Unbalanced signaling by two molecules that regulate breathing leads to sleep apnea in mice and rats, researchers report in the Jan. 23, 2017, Proceedings of the National Academy of Sciences. They show, working with rodents, ...

Medical research

Breathless: How blood-oxygen levels regulate air intake

Researchers have unraveled the elusive process by which small, highly vascular clusters of sensory cells in the carotid arteries "taste the blood," as a 1926 essay put it—the initial step in regulating blood-oxygen levels.

Diseases, Conditions, Syndromes

Carbon monoxide linked to heart problems in elderly

Exposure to carbon monoxide, even at levels well below national limits, is associated with an increased risk of hospitalization for the elderly with heart problems, according to a study published today in Circulation: Journal ...

Medical research

Carbon monoxide reverses diabetic gastric problem in mice

Mayo Clinic researchers have shown that very low doses of inhaled carbon monoxide in diabetic mice reverses the condition known as gastroparesis or delayed stomach emptying, a common and painful complication for many diabetic ...

Medications

Number of poisoning-related deaths in New Zealand remain high

While there has been a decline in carbon monoxide deaths in New Zealand, the number of deaths relating to poisoning remain high with new research revealing a surprising number of deaths involving two prescription medicines, ...

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Carbon monoxide

Carbon monoxide, with the chemical formula CO, is a colorless, odorless and tasteless, yet highly toxic gas. Its molecules consist of one carbon atom and one oxygen atom, connected by a covalent double bond and a dative covalent bond. It is the simplest oxocarbon, and can be viewed as the anhydride of formic acid (CH2O2).

Carbon monoxide is produced from the partial oxidation of carbon-containing compounds; it forms in preference to the more usual carbon dioxide (CO2) when there is a reduced availability of oxygen, such as when operating a stove or an internal combustion engine in an enclosed space. Carbon monoxide has significant fuel value, burning in air with a characteristic blue flame, producing carbon dioxide. Despite its serious toxicity, it was once widely used (as the main component of coal gas) for domestic lighting, cooking and heating, and in the production of nickel. Carbon monoxide still plays a major role in modern technology, in industrial processes such as iron smelting and as a precursor to myriad products.

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