PahsExposureContain polycyclic aromatic hydVolatile organic cPollutantsBenzeneCompoundsBiodegradationHeavy MetalsChemicalPolynuclearDegradationArylExposuresCarcinogenesisNaphthaleneMechanismsAtmosphericFluorineSoilOilsDeterminationEfficiencyChemicalsFormationIdentificationContentStudySamplesMethodAssess
Pahs38
- This fact sheet answers the most frequently asked health questions about polycyclic aromatic hydrocarbons (PAHs). (cdc.gov)
- Polycyclic aromatic hydrocarbons (PAHs) are a group of over 100 different chemicals that are formed during the incomplete burning of coal, oil and gas, garbage, or other organic substances like tobacco or charbroiled meat. (cdc.gov)
- What happens to polycyclic aromatic hydrocarbons (PAHs) when they enter the environment? (cdc.gov)
- How might I be exposed to polycyclic aromatic hydrocarbons (PAHs)? (cdc.gov)
- How can polycyclic aromatic hydrocarbons (PAHs) affect my health? (cdc.gov)
- How likely are polycyclic aromatic hydrocarbons (PAHs) to cause cancer? (cdc.gov)
- Is there a medical test to show whether I've been exposed to polycyclic aromatic hydrocarbons (PAHs)? (cdc.gov)
- The Committee applied a surrogate approach to the evaluation, in which benzo[a]pyrene was used as a marker of exposure to, and effect of, the 13 genotoxic and carcinogenic polycyclic aromatic hydrocarbons (PAHs). (inchem.org)
- Polycyclic aromatic hydrocarbons (PAHs) are common and persistent environmental pollutants produced during the incomplete combustion of fuels. (tubitak.gov.tr)
- Results indicate a shift in the composition of polycyclic aromatic hydrocarbons (PAHs) in the tissue of all cephalopods after 2010, with a more petrogenic source in 2011 that weathered and mixed with other sources in 2015-2016. (frontiersin.org)
- Exposure to toxic compounds, such as polycyclic aromatic hydrocarbons (PAHs), is of specific concern in deep-pelagic cephalopods. (frontiersin.org)
- Environmental fate of polycyclic aromatic hydrocarbons (PAHs) is a significant issue raising interest in bioremediation. (omicsonline.org)
- Polycyclic aromatic hydrocarbons (PAHs) were measured in plasma samples of 162 juvenile loggerhead sea turtles (Caretta caretta) from Canary Islands, and 205 adult nesting loggerheads from Cape Verde. (nih.gov)
- B. Maliszewska-Kordybach, "Sources, Concentrations, Fate and Effects of Polycyclic Aromatic Hydrocarbons (PAHs) in the Environment. (scirp.org)
- Polycyclic aromatic hydrocarbons (PAHs) are a large group of carcinogenic compounds. (nih.gov)
- Polycyclic aromatic hydrocarbons (PAHs) are produced during the combustion of coal and oil, and they can cause sediment contamination. (degruyter.com)
- Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental pollutants with moderate-to-poor water solubility, which promotes sorption to particles and subsequent sediment buildup [ 1 ]. (degruyter.com)
- PAHs enter the marine environment through processes, such as organic matter combustion (pyrolytic origin), the slow geothermal transformation of organic matter (petroleum hydrocarbons), and degradation of biogenic material (diagenesis). (degruyter.com)
- Our overall objective is to determine the molecular mechanisms by which immune dysregulation leads to human disease, specifically the atopic diseases of food allergy, allergic rhinitis, allergic conjunctivitis and allergic asthma in the children exposed to high levels of PAHs (polycyclic aromatic hydrocarbons). (nih.gov)
- Polycyclic aromatic hydrocarbons (PAHs) are environmental pollutants that can be found anywhere. (sciencewatch.com)
- In soil, heavy metals (HM) and polycyclic aromatic hydrocarbons (PAHs) are often present together. (eurekamag.com)
- Background: Polycyclic aromatic hydrocarbons (PAHs) represent a class of ubiquitous pollutants which are emitted through combustion of organic materials and are recognized as established human carcinogens and endocrine-disrupting chemicals. (queensu.ca)
- The great change in the water level of the Mekong River in each season creates the variation in many environmental factors including polycyclic aromatic hydrocarbons (PAHs). (strath.ac.uk)
- Seventeen polycyclic aromatic hydrocarbons (PAHs) were studied in surface waters (including particulate phase) from the Chenab River, Pakistan and ranged from 289-994 and 437-1290 ng l-1 in summer and winter (2007-09), respectively. (lancs.ac.uk)
- Cooking fumes are known as one of the most significant indoor air pollution sources containing complex chemical compounds, including particulate matter, volatile organic compounds (VOCs), aromatic amines, polycyclic aromatic hydrocarbons (PAHs), etc. (aaqr.org)
- In this study, an innovative and inexpensive approach, based on car engine air filters (CAFs) was used to monitor polycyclic aromatic hydrocarbons (PAHs) and heavy metals (HMs). (aaqr.org)
- Polycyclic aromatic hydrocarbons (PAHs), including naphthalene, phenanthrene and fluoranthene are commonly found in wastewaters from refineries and biomass gasification industries. (manchester.ac.uk)
- PAH biodegradation efficiency in the mixture was mainly affected by initial concentration and aromatic complexity of the PAHs. (manchester.ac.uk)
- Cigarette smoking has been known as the prominent cause of lung cancer, and polycyclic aromatic hydrocarbons (PAHs), the major carcinogens in cigarette smoke, have been suggested as being responsible for the initiation and development of lung cancer. (nih.gov)
- Insulating oils are rich in polycyclic aromatic hydrocarbons (PAHs) which act as inhibitors of oil breakdown, but are believed to be the main source of oil mutagenicity when converted to their epoxide form by mammalian enzymes. (cranfield.ac.uk)
- The polycyclic aromatic hydrocarbons (PAHs) were analyzed by temperature gradient and isothermal gradient. (ukessays.com)
- Tar is made up of Polycyclic Aromatic Hydrocarbons (PAHs) consisting of fused aromatic rings. (tue.nl)
- We conducted a simple solid-liquid extraction on pulverised carbonate samples to prepare them for analysis of 16 polycyclic aromatic hydrocarbons (PAHs) and three monosaccharide anhydrides (MAs). (copernicus.org)
- The reactivity of PVC may form polycyclic aromatic hydrocarbons (PAHs) during the pyrolysis of MSW, which can become a key challenge during the development of pyrolysis technologies. (aston.ac.uk)
- Growing evidence supports the reproductive and developmental toxicity of polycyclic aromatic hydrocarbons (PAHs) from prenatal and postnatal exposure, but the results of epidemiological studies regarding harmful effects of PAHs exposure on male reproductive system still remain limited and inconclusive. (ijomeh.eu)
- There is a growing need to establish alternative approaches for mixture safety assessment of polycyclic aromatic hydrocarbons (PAHs). (mdpi.com)
- Food can be contaminated by PAHs because of the contamination of air, water or soil, and during industrial process, as heating, drying and Polycyclic aromatic hydrocarbons (PAHs) are a group of over 200 smoking process. (bvsalud.org)
- PAHs were found in different foodstuffs, including different organic compounds with two or more fused aromatic rings vegetables, fruit, cereals, oils and fats, smoked fish and meat, coffee and ( Domingo & Nadal, 2015 ). (bvsalud.org)
Exposure7
- Exposure to polycyclic aromatic hydrocarbons usually occurs by breathing air contaminated by wild fires or coal tar, or by eating foods that have been grilled. (cdc.gov)
- Chromium(VI) exposure enhances polycyclic aromatic hydrocarbon-DNA binding at the p53 gene in human lung cells. (nih.gov)
- A new study has found that exposure to polycyclic aromatic hydrocarbons significantly raises the risk of developing rheumatoid arthritis. (medicalnewstoday.com)
- A new study has found that exposure to polycyclic aromatic hydrocarbons - chemicals formed when certain substances are burnt - may significantly increase the risk of developing rheumatoid arthritis. (medicalnewstoday.com)
- A new study has highlighted the importance of one particular environmental factor - exposure to polycyclic aromatic hydrocarbons (PAH) , chemicals found in coal, crude oils, gasoline, and tobacco. (medicalnewstoday.com)
- The aim of the present study was to investigate the relationship between 1-hydroxypyrene, a biomarker of polycyclic aromatic hydrocarbons exposure and semen quality. (ijomeh.eu)
- Another important risk factor, in particular with regards to occupational settings, is the chronic exposure to polycyclic aromatic hydrocarbons (PAH) which are formed during incomplete combustion of organic material and thus can be found in coal tar, creosote, bitumen and related working materials. (frontiersin.org)
Contain polycyclic aromatic hyd1
- The specialist stated that there are two particularly harmful types of processed foods: cured meat (which has N-nitroso compounds) and smoked meat and fish, which contain polycyclic aromatic hydrocarbons, chemical substances directly related with certain cooking methods. (medscape.com)
Volatile organic c2
- Concepts were developed to establish relationships between the stable carbon isotope ratios of nitrophenols in the atmosphere and the photochemical processing of their precursors, light aromatic volatile organic compounds. (copernicus.org)
- These concepts were based on the assumption that nitrophenols are formed dominantly from the photo-oxidation of aromatic volatile organic compounds (VOCs). (copernicus.org)
Pollutants2
- It is one of the primary mechanisms which lead to the elimination of hydrocarbon pollutants. (omicsonline.org)
- Levels of persistent organic pollutants and polycyclic aromatic hydrocarbons in ambient air of Central and Eastern Europe. (muni.cz)
Benzene2
- Research on thermal rearrangements of aromatic hydrocarbons has since been expanded to isomerizations and automerizations of benzene and polycyclic aromatic hydrocarbons. (wikipedia.org)
- Kinetic data and 13C-labeling have been used to elucidate the correct mechanism, and have led organic chemists to believe that one of the benzene ring contractions is the most likely mechanism through which these isomerizations of aromatic hydrocarbons occur. (wikipedia.org)
Compounds7
- The leakage of petroleum hydrocarbons from the underground storage tanks contaminate the surrounding ground water and soil and compounds enter into the environment by being soluble in water and binding strongly to soil ( Arafa, 2003 ). (scialert.net)
- Benzo[a]pyrene (BaP), a key polycyclic aromatic hydrocarbon (PAH) often associated with soot particles coated by organic compounds, is a known carcinogen and mutagen. (escholarship.org)
- 2014). The compounds of interest in this study are nitrophenols, which have been proposed to be formed specifically from the gas-phase photo-oxidation of aromatic VOCs (Forstner et al. (copernicus.org)
- By being insensitive to these compounds, FID becomes ideally suited for the analysis application for hydrocarbons in atmospheric and aqueous samples. (ukessays.com)
- Polynuclear aromatic compounds / this publication represents the views and expert opinions of an IARC Working Group on the Evaluation of the Carcinogenic Risk of Chemicals to Humans which met in Lyon, 18-25 October 1983. (who.int)
- Polynuclear aromatic compounds / this publication represents the views and expert opinions of an IARC Working Group on the Evaluation of the Carcinogenic Risk of Chemicals to Humans which met in Lyon, 7-14 June 1983. (who.int)
- The results suggest that for fast pyrolysis, the dehydrochlorination of the PVC might be incomplete, resulting in the formation of chlorinated aromatic compounds. (aston.ac.uk)
Biodegradation1
- In the environment, natural populations of bacteria and fungi carry out biodegradation of hydrocarbons to produce end products. (omicsonline.org)
Heavy Metals1
- M. Samdudin, H. Azahar, A. Abas and Z. Zakaria, "Determination of Heavy Metals and Polycyclic Aromatic Hydrocarbons (PAH) Contents Using the Lichen Dirinaria picta in Universiti Kebangsaan Malaysia," Journal of Environmental Protection , Vol. 4 No. 8, 2013, pp. 760-765. (scirp.org)
Chemical1
- Chemical equilibrium calculations indicate that, if time scales approach infinity, it is possible to convert naphthalene to lighter hydrocarbons at smallvalues of the equivalence ratio, lambda. (tue.nl)
Polynuclear1
- When burning in appropriate furnaces Tire Derived Fuel (TDF), emission of several Polynuclear Aromatic Hydrocarbon (PAH) specimens may occur if optimal conditions are not fulfilled. (unive.it)
Degradation1
- The capacity of isolated strains to mineralize 5 hydrocarbons is presented in this study wherein ISO2 showed a consistent degradation and higher metabolic versatility in comparison to other strains in all the experiments. (scialert.net)
Aryl1
- Importantly, both exposomal factors unleash their carcinogenic potential, at least to some extent, by activating the aryl hydrocarbon receptor (AHR). (frontiersin.org)
Exposures1
- Some non-heterocyclic polycyclic aromatic hydrocarbons and some related exposures / IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2005, Lyon, France. (who.int)
Carcinogenesis1
- Polycyclic aromatic hydrocarbons in carcinogenesis. (nih.gov)
Naphthalene2
- The first proposed mechanism for a thermal rearrangement of an aromatic compound was for the automerization of naphthalene. (wikipedia.org)
- This is currently the preferred mechanism and is as follows: The isomerization of unsubstituted azulene to naphthalene was the first reported thermal transformation of an aromatic hydrocarbon, and has consequently been the most widely studied rearrangement. (wikipedia.org)
Mechanisms1
- However, the following mechanisms are generalized to all thermal isomerizations of aromatic hydrocarbons. (wikipedia.org)
Atmospheric1
- A biomonitoring study on lichens was conducted to assess the levels of atmospheric heavy metal and polycyclic aromatic hydrocarbon (PAH) at ten sites at the Universiti Kebangsaan Malaysia Campus, Bangi, Selangor, Malaysia. (scirp.org)
Fluorine2
- The efficient synthesis of fluorous polyaromatic hydrocarbons via the arene-fluorine nucleophilic substitution reaction offers a fast and clean synthetic route to highly π-conjugated systems of interest for organic electronics. (gdch.app)
- The straightforward synthesis of several Fluorinated Polycyclic Aromatic Hydrocarbons by the efficient, transition-metal-free, arene fluorine nucleophilic substitution reaction is described, and the full investigation of their liquid crystalline and optical properties reported. (gdch.app)
Soil2
- Polycyclic aromatic hydrocarbons are the most important components of contaminants retained in the soil environment after any oil spillage. (scialert.net)
- The aim of the study was to screen Polycyclic Aromatic Hydrocarbon (PAH) Degrading Soil Microbes from an Automobile Workshop Sediments. (scialert.net)
Oils1
- hydrocarbon found among all types of oils, with the highest median values. (bvsalud.org)
Determination1
- L. R Bordajandi, M. Dabrio, F. Ulberth and H. Emons, "Optimization of the GC-MS Conditions for the Determination of the 16 EU Foodstuff Priority Polycyclic Aromatic Hydrocarbons," Journal of Separation Science, Vol. 31, No. 10, 2008, pp. 1769-1778. (scirp.org)
Efficiency1
- Among the 34 oil-degrading microbial isolates collected from petrochemical contaminated workshop sediments of Puducherry in India five isolates are screened and selected based on their efficiency to mineralize Polycyclic Aromatic Hydrocarbons. (scialert.net)
Chemicals1
- Polycyclic aromatic hydrocarbons are chemicals that are released when coal, oil, gasoline, wood, tobacco, and garbage are burnt, and when meat and some other foods are burnt during cooking. (medicalnewstoday.com)
Formation2
- Likewise, they found that among the meats, chicken is the most prone to the formation of polycyclic aromatic hydrocarbons. (medscape.com)
- One strategy is "marinating the food in an acid solution for more than one hour, since through this, the formation of these hydrocarbons is reduced, as are the final products of advanced glycation, which are prooxidants and proinflammatory," said Carrera. (medscape.com)
Identification1
- Identification and carcinogenicity of polycyclic aromatic hydrocarbons in transformer oil. (cranfield.ac.uk)
Content1
- The current industry- recognised measurement of oil risk, the IP 346 method, measures total aromatic content and therefore cannot be directly related to PAH risk. (cranfield.ac.uk)
Study1
- To illustrate the role that the various cooking methods play, Carrera analyzed the results of one study carried out in China in which polycyclic aromatic hydrocarbons of animal and vegetable origin were compared when raw and after being grilled. (medscape.com)
Samples1
- Polyhalogenated aromatic hydrocarbons are being measured in banked serum/plasma samples from cohort studies to evaluate the association with thyroid cancer incidence. (nih.gov)
Method1
- The purpose of the experiment was to use the gas chromatography method to analyze polycyclic aromatic hydrocarbons with flame ionization detection. (ukessays.com)
Assess1
- Take the Initial Check to assess your current knowledge about the toxicity of polycyclic aromatic hydrocarbons. (cdc.gov)