We have analyzed ice samples and meteorites from the LaPaz region of Antarctica to investigate the composition of polycyclic aromatic hydrocarbons (PAHs) and amino acids with the goal to understand whether or not there is a compositional relationship between the two reservoirs. (arizona.edu)
Air, water and sediment pore-water deployed samplers were analyzed for 63 alkyl and unsubstituted polycyclic aromatic hydrocarbons (PAHs), 43 brominated and organophosphate flame retardants and 52 polychlorinated biphenyls (PCBs). (clu-in.org)
For the second study, they investigated vapor-phase polycyclic aromatic hydrocarbons (PAHs) in indoor and outdoor air before, during and after wildfires using a community-engaged research approach. (clu-in.org)
Polycyclic Aromatic hydrocarbons (PAHs) are one of the most concerning chemicals in the marine environment. (researchsquare.com)
PAHs are toxic, bioactive and carcinogenic, mutagenic and ubiquitous environmental compounds composed of 2-7 fused aromatic rings derived from pyrogenic, petrogenic and biogenic sources(Ke et al. (researchsquare.com)
One of the most difficult challenges for risk assessment is evaluation of chemicals that predominately co-occur in mixtures like polycyclic aromatic hydrocarbons (PAHs). (oregonstate.edu)
Within PyOM, the metabolism of specific chemistries differed strongly between unlimited and oxygen-limited conditions - degradations of anhydrosugars, phenols, and polycyclic aromatic hydrocarbons (PAHs) were more favorable under oxygen limitation than other molecules. (copernicus.org)
We demonstrated that in an aquatic environment that these genes of exposure revealed a significant relationship with the legacy contaminants polychlorinated bi-phenols (PCBs) and polycyclic aromatic hydrocarbons (PAHs) and the emerging contaminants, 4 nonylphenol (4NP) and triclocarban (TCC) over a gradient of contamination and that these results were affected by length of exposure. (uwm.edu)
All samples were analyzed for polycyclic aromatic hydrocarbons (PAHs) and volatile organic compounds (VOCs). (epa.gov)
A detailed study of NGC 3582, also known as NGC 3584 and NGC 3576, uncovered at least 33 massive stars in the end stages of formation, and the clear presence of the complex carbon molecules known as polycyclic aromatic hydrocarbons (PAHs). (apod.com)
Exposure2
A Case Study Describing a Community-Engaged Approach for Evaluating Polycyclic Aromatic Hydrocarbon Exposure in a Native American Community. (oregonstate.edu)
Previously, Dr. McClean has investigated exposure to polybrominated diphenyl ethers (PBDEs) in indoor environments, polycyclic aromatic hydrocarbons exposure among asphalt workers, jet fuel exposure among US military personnel, and gene-environment interactions in head and neck squamous cell carcinoma. (bu.edu)
Volatile organic c1
[ii] Later, water and soil testing at nearby homes found worrisome levels of several highly toxic chemicals, including volatile organic compounds, polycyclic aromatic hydrocarbons, dioxins, and furans. (progressivereform.org)
Molecules2
The benzenoid hydrocarbons have been defined as condensed polycyclic unsaturated fully-conjugated hydrocarbons whose molecules are essentially planar with all rings six-membered. (wikipedia.org)
The pink hues are from organic star-forming molecules called polycyclic aromatic hydrocarbons. (blogspot.com)
Mixtures2
2015. UV-induced degradation of complex polycylic aromatic hydrocarbon mixtures under accurately emulated terrestrial conditions. . (oregonstate.edu)
2016. Toxicity in zebrafish of complex polycyclic aromatic hydrocarbon mixtures exposed to terrestrially-appropriate UV-radiation. . (oregonstate.edu)
Heavy metals1
Finally, our fenugreek extract is subjected to a rigorous microbiological control in accordance with the criteria of the European pharmacopoeia and which also guarantees the absence of contaminants such as aflatoxins, pesticides, heavy metals and polycyclic aromatic hydrocarbons. (bio-vega.com)
Toxicity2
This CSEM focuses on the toxicity of polycyclic aromatic hydrocarbons. (cdc.gov)
Take the Initial Check to assess your current knowledge about the toxicity of polycyclic aromatic hydrocarbons. (cdc.gov)
Organic2
A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. (wikipedia.org)
Global long-range transport and lung cancer risk from polycyclic aromatic hydrocarbons shielded by coatings of organic aerosol. (oregonstate.edu)
Hurricane Harvey9
A large chemical producer harmed the health, environment, and property of the largely poor communities surrounding one of its manufacturing plants when it failed to prepare for the effects of Hurricane Harvey. (progressivereform.org)
Early in the morning of August 31, 2017, just a few days after Hurricane Harvey made landfall near Houston, a series of explosions rocked the Arkema chemical manufacturing plant, releasing a noxious cloud of smoke and gaseous chemicals into the surrounding fenceline communities. (progressivereform.org)
While Arkema's plan identified some of the potential hazards that a massive storm like Hurricane Harvey might bring, it failed to specify the actions the facility would actually take when faced with circumstances like high floodwaters or extended periods without power - even though the facility housed chemicals likely to explode in the absence of adequate refrigeration. (progressivereform.org)
The EPA had been working on a set of reforms that would modestly strengthen those planning mandates, but the Trump administration squelched those efforts just a few months before Hurricane Harvey struck. (progressivereform.org)
Prior to the Hurricane Harvey catastrophe, the Arkema plant had already built up a troubling safety record. (progressivereform.org)
Corrigendum to "Polycyclic aromatic hydrocarbon status in post-hurricane Harvey sediments: Considerations for environmental sampling in the Galveston Bay/Houston Ship Channel region" [Mar. Pollut. (bvsalud.org)
The third study is related to Hurricane Harvey, which was associated with flood-related damage to chemical plants, oil refineries, and flooding of hazardous waste sites, including 13 Superfund sites. (clu-in.org)
Other studies designed and implemented by Dr. Anderson and her staff include assessing chemicals exposures to firefighters during deployment to structural fires, and to individuals living in the aftermath of Hurricane Harvey. (healthandenvironment.org)
Houston hurricane Harvey health (Houston-3H) study: assessment of allergic symptoms and stress after hurricane Harvey flooding. (oregonstate.edu)
The simplest representative is naphthalene, having two aromatic rings, and the three-ring compounds anthracene and phenanthrene. (wikipedia.org)
Structures1
Benzene-substructure resonance analysis for Clar's rule Phenanthrene Anthracene Chrysene For example, phenanthrene has two Clar structures: one with just one aromatic sextet (the middle ring), and the other with two (the first and third rings). (wikipedia.org)
Rings3
By definition, polycyclic aromatic hydrocarbons have multiple rings, precluding benzene from being considered a PAH. (wikipedia.org)
A polyaromatic hydrocarbon may have rings of various sizes, including some that are not aromatic. (wikipedia.org)
Therefore, in this molecule the outer rings have greater aromatic character whereas the central ring is less aromatic and therefore more reactive. (wikipedia.org)
However, with an adeq battery of necf expsre blmarkers, prospective studies of en- vironmental effects on pregnancy outcomes might be possible. (cdc.gov)
Response1
occurs the city of Polycyclic Aromatic Hydrocarbons in Soil Particle-Size Separates was Their response During Phytoremediation of Contaminated Soils? (blaeserschule-tengen.de)
Built1
On a over-the-counter in Dallas, Texas, at the potential of a relatedness philosopher, President John Fitzgerald Kennedy is graded by an maintainable, cultural space built Lee Harvey Oswald. (blaeserschule-tengen.de)
Exposure7
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)
Polycyclic aromatic hydrocarbon exposure in German coke oven workers. (cdc.gov)
2023. Determinants of exposure to endocrine disruptors following hurricane Harvey. . (oregonstate.edu)
2012. Effect of Native American fish smoking methods on dietary exposure to polycyclic aromatic hydrocarbons and possible risks to human health. . (oregonstate.edu)
2020. Individual chemical exposure to potential endocrine disrupting chemicals during the aftermath of Hurricane Harvey. . (oregonstate.edu)
2021. Impact of Hurricane Harvey on Personal Chemical Exposure . (oregonstate.edu)
2021. Individual chemical exposure to environmental contaminates in Harris County, TX from baseline to post Hurricane Harvey flooding. . (oregonstate.edu)
Ok, let's just say that, this is the SAME detox program that the 911 firefighters were put on to professionally and successfully treat their extreme overexposure of toxic dust (a wide array of poisons, including lead, polycyclic aromatic hydrocarbons, polychlorinated biphenyls, dioxins) from the WTC buildings collapsing. (lifeforcehealth.center)
Chem1
2011. Determination of parent and substituted polycyclic aromatic hydrocarbons in high-fat salmon using a modified QuEChERS extraction, dispersive SPE and GC-MS. . J Agric Food Chem. (oregonstate.edu)
Extraction1
2016. Emissions of Polycyclic Aromatic Hydrocarbons from Natural Gas Extraction into Air. . (oregonstate.edu)
Https1
In October 2013, the World Health Organization [announced](http://www.iarc.fr/en/media-centre/iarcnews/pdf/pr221_E.pdf) they are considering particulate matter, a major component of both outdoor and [indoor air](https://publiclab.org/wiki/indoor-air-quality) pollution, as a Group 1 carcinogen along with tobacco smoke and asbestos. (publiclab.org)
Human1
7. Activation of polycyclic aromatic hydrocarbon trans-dihydrodiol proximate carcinogens by human aldo-keto reductase (AKR1C) enzymes and their functional overexpression in human lung carcinoma (A549) cells. (nih.gov)
Community1
ACS's Premium Package gives you full access to C&EN and everything the ACS Community has to offer. (acs.org)