Results 251 to 260 of about 19,264 (282)
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Polycyclic Aromatic Hydrocarbon (PAH) Degradation Coupled to Methanogenesis
Biotechnology Letters, 2006Baltimore Harbor (Baltimore, MD) sediments were utilized to initiate anaerobic enrichment cultures with polycyclic aromatic hydrocarbons (PAHs) in the absence of supplementary electron acceptors. Cultures amended with naphthalene and phenanthrene exhibited sustained, transferable degradation of the PAHs.
Wook, Chang +2 more
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Polycyclic aromatic hydrocarbons (PAHs) removal by sorption: A review
Chemosphere, 2016Polycyclic aromatic hydrocarbons (PAHs) are organic micro pollutants which are persistent compounds in the environment due to their hydrophobic nature. Concerns over their adverse effects in human health and environment have resulted in extensive studies on various types of PAHs removal methods.
Lamichhane, Shanti +2 more
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Biodegradation aspects of Polycyclic Aromatic Hydrocarbons (PAHs): A review
Journal of Hazardous Materials, 2009PAHs are aromatic hydrocarbons with two or more fused benzene rings with natural as well as anthropogenic sources. They are widely distributed environmental contaminants that have detrimental biological effects, toxicity, mutagenecity and carcinogenicity.
A K, Haritash, C P, Kaushik
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Contamination of Pastures by Polycyclic Aromatic Hydrocarbons (PAHs) in the Vicinity of a Highway
Journal of Agricultural and Food Chemistry, 2003To assess PAH contamination pastures, grass and soil samples have been collected from 10 m (d1), 50 m (d2), and 150 m (d3) perpendicular to a French highway (70,000 vehicles per day) and at a control site in a rural area away from nearby contaminating sources. Total PAH concentration ranges from 767 ng/g dry weight to 3989 ng/g dry weight, according to
Crépineau, Cécile +5 more
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Nitrated polycyclic aromatic hydrocarbons (nitro-PAHs) in the environment – A review
Science of The Total Environment, 2017Nitrated polycyclic aromatic hydrocarbons (nitro-PAHs) are derivatives of PAHs with at least one nitro-functional group (-NO2) on the aromatic ring. The toxic effects of several nitro-PAHs are more pronounced than those of PAHs. Some nitro-PAHs are classified as possible or probable human carcinogens by the International Agency for Research on Cancer ...
Bandowe, Benjamin A. Musa +1 more
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Infrared spectra of polycyclic aromatic hydrocarbons (PAHs)
Chemical Physics, 2000We have computed the synthetic infrared spectra of some polycyclic aromatic hydrocarbons containing up to 54 carbon atoms. The species studied include ovalene, circumcoronene, dicoronylene, and hexabenzocoronene. We report spectra for anions, neutrals, cations, and multiply charged cations.
C.W. Bauschlicher, E.L.O. Bakes
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Polycyclic aromatic hydrocarbons (PAHs) in foods
2013Polycyclic aromatic hydrocarbons (PAHs) are found in our environment. The major route of human exposure for nonsmokers is however via food. PAHs in food originate from environmental deposits or arise from food processing. Food processing techniques contributing to increased PAH concentrations include smoking, drying, roasting and barbecuing.
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Polycyclic aromatic hydrocarbons (PAHs) in Chicago air
Science of The Total Environment, 1999Ambient air samples were collected in Chicago, IL between June and October 1995 as part of a study to investigate the dry deposition and air–water exchange of polycyclic aromatic hydrocarbons (PAHs). A modified high-volume sampler (PS-1 sampler) was used to collect airborne PAHs in both the particulate and gas phases. The average total (gas+particulate)
Tasdemir, YÜCEL +4 more
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Polycyclic Aromatic Hydrocarbon (PAH) Ecotoxicology in Marine Ecosystems
Journal of Toxicology and Environmental Health, Part A, 2006Low levels of oil and hence polycyclic aromatic hydrocarbons (PAHs) are naturally present in the marine environment, although levels have increased significantly following human extraction and use of oil and gas. Other major anthropogenic sources of PAHs include smelters, the use of fossil fuels in general, and various methods of waste disposal ...
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Biodegradation of Polycyclic Aromatic Hydrocarbons (PAH) in the Subsurface
1990Polycyclic aromatic hydrocarbons represent a group of chemical compounds, many of which are known to be toxic, mutagenic, and carcinogenic already in small concentrations /1, 2/. 60–90% of all cases of human cancer are estimated to be caused by a contact with environmental chemicals containing PAHs /3/.
Stieber, Michael +3 more
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