polycyclic aromatic hydrocarbon

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polycyclic aromatic hydrocarbon

n. Abbr. PAH
Any of a class of carcinogenic organic molecules that consist of three or more benzene rings and are commonly produced by fossil fuel combustion. Also called polynuclear aromatic hydrocarbon.
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They found "a rich mixture of nonvolatile, high-mass polycyclic aromatic hydrocarbons in two interplanetary dust particles," which they named Aurelian and Florianus.
The likely culprit, scientists eventually deduced, was the intrinsic infrared emission from a class of organic molecules known as polycyclic aromatic hydrocarbons (PAHs), which, scientists would later discover, are amazingly plentiful; nearly 10 percent of all the carbon in the universe is tied up in PAHs.
3]' -- Choriatika Allantika Xipsitis Ltd -- contains more than the permitted levels of Polycyclic Aromatic Hydrocarbons (PAHs) which are a group of more than 100 different chemicals that are released from burning coal, oil, gasoline, trash, tobacco, wood, or other organic substances such as charcoal-broiled meat.
MT-TNO research into the biodegradation of soils and sediments contaminated with oils and polycyclic aromatic hydrocarbons (PAHs).
pdf) polycyclic aromatic hydrocarbons - a class of chemicals that are produced when coal, oil or wood is burned - can mutate the DNA and cause cancer.
The most familiar sources responsible for the production of polycyclic aromatic hydrocarbons includes the pyrolysis and incomplete combustion of organic matter such as wood, coal, oil as well as the fuels like petrol and diesel (Golomb et al.
Polycyclic aromatic hydrocarbons in cereals, cereal products, vegetables, vegetable products and traditionally smoked foods.
Forsgren presents papers on the sources, lifecycle and removal of polycyclic aromatic hydrocarbons (PAHs) from the environment.
Polycyclic Aromatic Hydrocarbons ( PAHs) are generally considered carcinogenic & mutagenic, and are hence considered an important air pollutant that needs to be monitored Lung cancer is the most serious health risk from exposure to PAHs.
The one-acre site is undeveloped land that was contaminated with heavy metals, polycyclic aromatic hydrocarbons and organic contaminants when contaminated material was used to raise the elevation of the site and the surrounding area.
The most toxic parts are the small aromatic solvents and the complex sheets of cyclic structures called polycyclic aromatic hydrocarbons.
In a cohort study of 432 nonsmoking pregnant women who gave birth at term, consumption of grilled meat (a major source of polycyclic aromatic hydrocarbons [PAH]) was associated with a significant reduction in birth weight of 106 g, after adjustment for prenatal exposure to airborne PAH and other potential confounding variables.

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