Sentences with phrase «pah from»

Astrochemists have known that polycyclic aromatic hydrocarbons (PAHs) make up an estimated 10 % of all interstellar carbon in the universe, but it has been challenging for them to distinguish one PAH from another.
«Using machine learning to find a needle in a haystack is where computers can help us transcend our limitations,» says Professor Adam Pah from Northwestern University's Kellogg School of Management and Northwestern's Institute on Complex Systems (NICO).

Not exact matches

Aside from HCAs and PAHs, microwaving meat also produces the carcinogen d - nitrosodiethanolamine.
• folds extremely quickly and compactly, even with the seat fitted • lightweight: only 19.18 lbs • converts fast and easily from stroller to pram • height adjustable push bar • ultra-sleek design • adjusts to multiple positions, including a flat, ergonomically correct sleeping position • reversible seat (sleeping position can also be adjusted to face both directions) • additional option: set air tires (rear wheel only) • front wheels swivel 360 ° for more flexibility • ultra-light pram body (7.5 lbs) • integrated mosquito net with the pram body for fitting over the pram body • extra-layered mosquito net fitting under the canopy to ensure good air circulation on warm days • suspension in chassis and front wheels to guarantee child comfort on rough surfaces • soft PAH - free mattress with breathable mesh layer
The EPA proposed in April that this portion of the creek, downstream from an industrial park, be added as the sediment is contaminated with mercury and polycyclic aromatic hydrocarbons, or PAHs.
A Danish - led study, published today in the journal Environmental Research Letters, examined how microbes from the ice sheet have the potential to resist and degrade globally - emitted contaminants such as mercury, lead, PAH and PCB.
The research builds on earlier work by the Auke Bay Laboratories, part of NOAA Fisheries» Alaska Fisheries Science Center, which found much reduced survival of pink salmon exposed as embryos to polycyclic aromatic hydrocarbons (PAH) from crude oil.
There has long been concern about the health effects of the polycyclic aromatic hydrocarbons (PAHs) from vehicle exhausts and power plants.
However, the source of PAHs was consistent in samples from before and after Hurricane Harvey.
In a new study published in the journal PLOS One, Jennifer Horney, PhD, associate professor and head of the Department of Epidemiology and Biostatistics in the Texas A&M School of Public Health, along with researchers from Texas A&M and the Pacific Northwest National Lab, examined concentrations of polycyclic aromatic hydrocarbons (PAHs) before and after Hurricane Harvey in the Houston environmental justice neighborhood of Manchester.
In this study, Horney and colleagues focused on PAHs, which are a product of combustion from human activities such as petroleum consumption in transportation or natural processes such as wildfires.
The parent compounds involved in this research are polycyclic aromatic hydrocarbons, or PAHs, formed naturally as the result of almost any type of combustion, from a wood stove to an automobile engine, cigarette or a coal - fired power plant.
Fisherfolk also hope to measure levels of PAHs in the seafood they were unable to sell so they can claim compensation from BP.
Becker used a mass spectrometer to analyse the PAHs in several samples of Antarctic ice, including some from the site where the meteorite was found.
In the second study, Luann Becker and her colleagues at the University of California, San Diego, report that the PAHs found in the meteorite could be contaminants from the Antarctic ice.
About 10 percent of mercury emissions come from open burning, as well as 40 percent of polycyclic aromatic hydrocarbons (PAHs).
Woo inserted the gene for mouse PAH into liver cells isolated from these mice and found that this fully restored enzymic activity to the cells.
In babies born pre-closure, researchers found higher levels of PAH - DNA cord adducts, a biomarker for exposure to polycyclic aromatic hydrocarbons, a toxic component of air pollution from coal plants.
They called in the Department of Environmental Management (DEM), and they learned it was very heavily contaminated with arsenic, with a lot of polycyclic aromatic hydrocarbons (PAHs), and with other things contained in waste from a manufactured gas plant.
This action, announced in advance, provided a unique opportunity to compare data on ambient PAH levels, biomarkers, and health outcomes in two successive cohorts of children, with and without prenatal exposure to emissions from the coal - fired power plant.
Polycyclic aromatic hydrocarbons, or PAHs, from motorbikes and other vehicles are caused by incomplete combustion.
To determine the levels of PAHs in soil and sediment, researchers first extract the compounds from a sample, a step that can take up to 16 hours and requires large amounts of hazardous solvents.
New results from Aarhus University indicate that such mobile microorganisms can play a surprising key role in bioremediation of soil which is contaminated with so - called PAHs (Polycyclic Aromatic Hydrocarbons).
In a recent study of data from 450 patients, researchers were able to use the model to diagnose PAH accurately.
Chlorinated paraffins are currently widely used in plastics, paints and insulation materials, while PAHs may be byproducts from local industrial and combustion processes.
Under the mentorship of Micheala Aldred, PhD, Associate Staff of the Genomic Medicine Institute, Dr. Drake has studied the effect of experimental drugs on cultured lung or blood cells isolated from PAH patients.
In all cases, the shielded PAHs traveled across oceans and continents, whereas in the previous version they barely moved from their country of origin.
Shielded by the coating, these PAHs can survive long distances, taking their harmful health effects to locations far from their origin.
These predictions from models that considered shielded PAHs were far more accurate than previous predictions which included unshielded pollutants.
We detect MIR and FIR emission in the regions far away from the disk of the galaxy, reflecting the presence of dust and PAHs in the halo of M82.
As a result, we find that the interband ratio of PAH 7.7 $ \ mu $ m / PAH 11.3 $ \ mu $ m varies locally near M17SW, but rather independently of the distance from the OB stars in M17, suggesting that the degree of PAH ionization is mainly controlled by local conditions rather than the global UV environments determined by the OB stars in M17.
In particular, we obtain a tight correlation between the PAH and H$ \ alpha $ emission, which provides evidence that the PAHs are well mixed in the ionized superwind gas and outflowing from the disk.
We have significantly detected polycyclic aromatic hydrocarbon (PAH) features from 14 out of the 18 galaxies, and thus found that the presence of PAHs is not rare but rather common in dusty elliptical galaxies.
We find that the PAH emission features are bright in the region between the HII region traced by Br $ \ gamma $ and the molecular cloud traced by $ ^ -LCB- 13 -RCB- $ CO, supporting that the PAH emission originates mostly from photo - dissociation regions.
The net effect is that the chemistry of the hot gas mixture favors growth from small hydrocarbons to larger ones with PAHs commonly being one of the end products.
PAHs, the second type of compound, are formed when juices from meat drip onto coals or other hot surfaces and create smoke.
More recently, the journal Cancer Epidemiology Biomarkers & Prevention published research from 2008 which found very high levels of carcinogenic polycyclic aromatic hydrocarbons (PAHs) in processed dry yerba mate leaves and in both hot and cold infusions of mate.
Salidroside is an active ingredient isolated from Rhodiola rosea, a member of Crassulaceae and a well - known herb used to relieve high altitude sickness and acute exacerbation of PAH.
In a study of umbilical cord blood from New York City children, researchers found a change in a gene called ACSL3 that is associated with prenatal exposure to chemical pollutants called polycyclic aromatic hydrocarbons (PAHs), which are byproducts of incomplete combustion from carbon - containing fuels, resulting in high levels in heavy - traffic areas.
For one, fumes released from overheating some cooking oils may contain compounds known as heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs), which increase cancer risk, says Dr. Hensrud.
As if any self respecting homo would wear such an awful outfit from M&S in the first place — pah!
Candace Sousa, DVM, DABVP, DACVD, a dermatologist and senior veterinary specialist with the Pfizer Animal Health Veterinary Specialty Team, said the launch of the two sites represents PAH's ongoing commitment to advancing veterinary dermatology — from providing educational tools, programs and websites to researching and developing new molecules and treatment pathways.
The two sites—www.mypetitches.com and www.itchcycle.com — bring visitors the latest research and news from the dermatological community and highlight new information about PAH's portfolio of products for allergic skin conditions.
Located just eight minutes from the Kahului Airport on HANA HIGHWAY, Pa`ia (pronounced «pah - ee - ah») was dominated by a SUGAR PLANTATION for more than... Continue»
A joint study between Environment Canada and scientists at Queen's University discovered elevated levels of polycyclic aromatic hydrocarbons — or PAHs, the chemical produced when petroleum is burned — in bodies of water as far as 90 kilometres away from Fort McMurray.
Results from a new modeling assessment of contamination in the Athabasca Oil Sands Region (AOSR) suggest that officially reported emissions of polycyclic aromatic hydrocarbons (PAHs) in that region have been greatly underestimated.
Standardized values (Z scores) of (A) visible reflectance spectroscopy (VRS) chlorophyll a inferences from the five lakes proximate to major oil sands operations as indicators of lake primary production; (B) total PAH concentrations and (C) total DBT concentrations from all six study sites.
PNNL scientists found that secondary organic aerosols formed in the presence of the toxic pollutant known as polycyclic aromatic hydrocarbons (PAHs) trapped the PAH molecules inside, shielding them from degradation.
In particular, common references to PAHs in relation to human cancer risk have been loose and inconsistent with the scientific understanding of human cancer risk from this class of compounds.
Representing a variety of clients against single - plaintiff claims alleging injury from exposure to various chemicals, including silica dust, pesticides, PAHs, isocyanates, and other industrial chemicals.
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