Aromatic hydrocarbon
Evaluation of airborne respirable particulate matter and polycyclic aromatic hydrocarbon exposure of asphalt workers
... polycyclic aromatic hydrocarbon (PAH) content of the fumes, this in turn mainly depends on the heating temperature of the asphalt during the manufacture of asphalt products and when used in the ...
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Formation of polycyclic aromatic hydrocarbon grains using anthracene and their stability under UV irradiation
... polycyclic aromatic hydrocarbon (PAH) grains at the nanometer scale show similar properties with that of macroscopic scale, PAH grains were synthesized by a gas evaporation method and were analyzed using a ...
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Estimation of Dietary Intake Concentration of Polycyclic Aromatic Hydrocarbon (PAH) Carcinogens from Tilapia zilli Commercially Available from Escravos River, Nigeria
... polycyclic aromatic hydrocarbons are carcinogenic and could be of health challenge over ...of aromatic hydrocarbon. Most aromatic hydrocarbon has no trace of carcinogenicity, but their ...
6
The polycyclic aromatic hydrocarbon concentrations in soils in the Region of Valasske Mezirici, the Czech Republic
... polycyclic aromatic hydrocarbon (PAH) contamination of urban, agricultural and forest soil samples was investigated from samples obtained in the surroundings of Valasske ...
21
Biodegradation of Phenanthrene in Polycyclic Aromatic Hydrocarbon Contaminated Wastewater Revealed by Coupling Cultivation Dependent and Independent Approaches
... In situ biodegradation of phenanthrene in polycyclic aromatic hydrocarbon-contaminated sewage water revealed by coupling cultivation-dependent and -independent approaches.. Journal: Manu[r] ...
41
ECCENTRICITY ATOM BOND CONNECTIVITY INDEX OF POLYCYCLIC AROMATIC HYDROCARBON PAHk
... 34. L. Guerrini, J.V. Garcia-Ramos, C. Domingo, and S. Sanchez- Cortes. Sensing Polycyclic Aromatic Hydrocarbons with Dithiocarbamate-Functionalized Ag Nanoparticles by Surface- Enhanced Raman Scattering. Anal. ...
6
Characterization of Aromatic Hydrocarbon Rading Bacteria from Petroleum Contaminated Sites
... Polycyclic aromatic hydrocarbons are ubiquitous con- taminants of terrestrial ecosystems whose presence is attributable to a number of petrogenic and pyrogenic sources, which had increased since the end of the II ...
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Casp8 hypomethylation and neural tube defects in association with polycyclic aromatic hydrocarbon exposure
... oxidative stress, and relative telomere length in biliary atresia patients. Maternal dietary zinc supplementation enhances the epigenetic-activated antioxidant ability of chick embryos f[r] ...
12
Photoinduced polycyclic aromatic hydrocarbon dehydrogenation. Molecular hydrogen formation in dense PDRs
... We note that coronene, ovalene and circumcoronene all have duo hydrogens and, in the case of ovalene and circumcoronene, solo hydrogens with no bay-regions. Following the conclusions from Castellanos et al. (2018), we ...
6
Increases in the polynuclear aromatic hydrocarbon content of an agricultural soil over the last century
... thalene. In bioassays aimed at obtaining toxicity infor- mation relevant to environmental conditions, it is impor- tant that the exposures (in terms of concentration and time) be realistic. There is little merit in ...
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Polycyclic aromatic hydrocarbon exposure and pediatric asthma in children: a case–control study
... Background: Bronchial asthma is one of the most prevalent diseases in Arab children. Environmental pollution has been suggested to be considered causative of asthma, nasal symptoms and bronchitis in both children and ...
6
Determining the Impact of Coal Tar Based Driveway Sealant on Polycyclic Aromatic Hydrocarbon Concentrations in NH Waterbodies
... This project will evaluate existing and data sets and methods as a first step towards determining whether the use of coal-tar-based sealant is impacting aquatic sediments in New Hampshire. PAH compounds are a class of ...
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Design and characterization of functional interfaces for fundamental studies of nitro polycyclic aromatic hydrocarbon chemistry
... The photodegradation o f nPAHs at am orphous carbon surfaces and in solution were investigated and com pared, with similar values for first order rate constants o f degradation obtained.[r] ...
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Enrichment, Isolation and Identification of Polycyclic Aromatic Hydrocarbon Degrading Rhodococcus ruber from Sediments
... olycyclic Aromatic Hydrocarbons (PAHs) known as toxic contaminants of soil & aquifers and carcinogenic for humans are of great environmental concern. The potential use of microorganisms to clean up ...
7
Degradation of Polycyclic Aromatic Hydrocarbon And Total Petroleum Hydrocarbons Using Biosurfactants And Chemical Dispersant
... The action of extracting the compounds sorbet in the matrix was faster, occurring on the 14th day of the process. When biosurfactant was used, this action was detected at 21 days of bioremediation, even with a longer ...
7
Prenatal Airborne Polycyclic Aromatic Hydrocarbon Exposure and Child IQ at Age 5 Years
... 7,22–25 In addition, neu- rodevelopmental effects have been as- sociated with prenatal exposure to PAHs or with PAH-DNA adducts in cord blood; in the prospective CCCEH cohort study using[r] ...
10
Radiation thermo chemical models of protoplanetary disks : grain and polycyclic aromatic hydrocarbon charging
... The charge carriers in disks are either electrons, atomic and molecular ions, polycyclic aromatic hydrocarbons (PAHs), or dust grains (Bai & Stone 2011). The abundances of the carriers vary throughout the disk ...
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STATUS OF POLYCYCLIC AROMATIC HYDROCARBON CONTAMINATION IN PALLIKARANAI WETLAND: FISH AS AN INDICATOR (FUNDED WORK)
... Pallikaranai Wetland, within Tamil Nadu, India, receives runoff from the surrounding urban area, including polycyclic aromatic hydrocarbons (PAHs). PAH have been listed as Priority Pollutants by US EPA (2014) due ...
9
Polycyclic Aromatic Hydrocarbon (PAHs) Concentrations in Some Aquatic Macrophytes in Hilla River, Iraq
... The race to build factories in different countries of the world increases environmental degradation caused by various pollutants and one of these pollutants is polycyclic aromatic hydrocarbons (PAHs). PAHs are a ...
14
The 11.2 μm emission of PAHs in astrophysical objects
... polycyclic aromatic hydrocarbon (PAH) molecules are used as input for a detailed emission model which includes the temperature and mass dependence of PAH band wavelength, and a PAH mass distribution that ...
11