Sentences with phrase «of pahs»

Improved source apportionment of PAHs and Pb by integrating Pb stable isotopes and positive matrix factorization application (PAHs): A historical record DATING DOULTON BURSLEM.

Just like the previous compound, higher levels of PAHs can get produced during meat preparation at high temperatures.

Trim the fat off the meat before grilling to help reduce the amount of PAHs.

However, grilled and fried chicken also contain HCAs, and yet studies have shown no connection between poultry intake and cancer, and cereal products, not meats, are the major source of PAHs in the typical American diet.

We find that the [CII] emission spatially corresponds to the PAH emission better than to the dust emission, confirming the relative importance of PAHs for photo - electric heating of gas in photo - dissociation regions.

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.

The team found the predictions with the new shielded model of PAHs came in at the same value that Simonich measured on the mountain - four times higher than the previous model, which was considerably off the mark.

To find out if including the shielding of PAHs by viscous aerosols would improve global atmosphere models, the scientists used laboratory experiments to develop a new way of representing PAHs in a global model.

But the models did not match measurements of PAHs taken in more than 300 urban and rural settings around the globe.

Pre-print: Half - lives of PAHs and temporal microbiota changes in commonly used urban landscaping materials — Marja I Roslund — PeerJ

Within this new program, scientists will perform basic research on the health effects of PAHs that will help policymakers better address the risks they pose.

The experiments show that ciliates can enhance the transport of PAHs and potentially other hydrophobic chemicals up to 100-fold.

However, the new study reveals that motile microorganisms can increase the mobility of PAHs significantly.

The new findings indicate that microorganisms can increase the mobility of PAHs.

Our study shows that mobile microorganisms can in such diffusion - limited condition increase the transport of PAHs.

This can be of great importance for the mobility and bioavailability of such substances and opens up new perspectives for cleaning PAH - contaminated soil because bioavailability is a crucial prerequisite for the biodegradation of PAHs.

The extracted sample was then analyzed with a standard chromatography procedure to determine the amount of PAHs present.

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.

Fisherfolk also hope to measure levels of PAHs in the seafood they were unable to sell so they can claim compensation from BP.

However, the source of PAHs was consistent in samples from before and after Hurricane Harvey.

Preliminary surveys suggest that, following last year's Deepwater Horizon oil spill, sediments in the Gulf of Mexico contain higher than usual quantities of PAHs.

Black beer (think: Guinness) had the strongest effect, reducing levels of PAHs by 53 % compared to unmarinated meat; followed by the non-alcoholic pilsner (25 %); then the regular Pilsner (13 %).

Black beer «marinade was the most efficient on reduction of PAH formation, providing a proper mitigation strategy,» the authors conclude i n their recently published paper in the ACS Journal of Agricultural and Food Chemistry.

In another twist, most (but not all) of the PAH in the Hypatia matrix has been transformed into diamonds smaller than one micrometer, which are thought to have been formed in the shock of impact with the Earth's atmosphere or surface.

Even though, as a group, PAHs seemed to be the answer to this mystery, none of the hundreds of PAH molecules known to exist had ever been conclusively detected in interstellar space.

In laboratory scale tests, the best results showed 96 % of PAH compounds and 64 % of the dioxins were broken down in three months.

Some cases of PAH are caused by inherited genetic defects.

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.

«KCNK3 mutations are a rare cause of PAH, so I don't want to oversell our findings,» said Dr. Chung.

Other forms of PAH can be triggered by autoimmune diseases, congenital heart defects, infections (such as schistosomiasis), and medications (such as the now - banned diet - drug combination commonly known as fen - Phen).

In previously published research on these cohorts, the authors reported newborns born after the plant closure had lower levels of PAH - DNA adducts, lower rates of various health outcomes, and increased levels of BDNF.

Mice engineered to lack either a PAH receptor or the gene that causes apoptosis weren't harmed by injections of PAH, but normal mice lost most of their egg cells.

Together with Professor Philipp Mayer, who is presently employed at the Technical University of Denmark (DTU), she has developed a new test setup that allows exposing the ciliates to a concentration gradient while concurrently enabling their observation through a microscope in real time and measuring the transport of PAH by means of chromatographic methods.

Until now PAHs were considered minimally mobile in soil because they bind to soil particles and only small amounts of PAH can be dissolved in water.

She was chosen by a Scientific Review Committee comprised of leaders in the field of PAH and will receive up to two years of research funding.

The goal of this Center of Excellence is to better understand the mechanisms of vascular dysfunction that lead to PVD, including the various forms of PAH, and to develop new targets and strategies for individualized therapies.

However, when they compared the models to the amount of PAH that is actually measured in the environment, the numbers didn't add up.

To achieve this goal, the center's clinical and basic investigators are engaging in four distinct yet synergistic projects: 1) identifying mechanisms of abnormal cell proliferation, 2) examining the role of thrombosis in the development of PAH, 3) studying the role of nitric oxide deficiency in PAH, and 4) testing two existing drugs to restore lost cellular function due to a genetic mutation related to PAH.

We also find that the interband ratios of the PAH 12.0 $ \ mu $ m, 12.7 $ \ mu $ m, 13.5 $ \ mu $ m, and 14.2 $ \ mu $ m features to the PAH 11.3 $ \ mu $ m feature are high near the M17 center, which suggests structural changes of PAHs through processing due to intense UV radiation, producing abundant edgy irregular PAHs near the M17 center.

Mutations in the receptor BMPR2 cause a heritable form of PAH, and BMPR2 mutant mice spontaneously develop the disease.

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.

Based on the spatially - resolved $ Spitzer $ / IRS maps, we examine spatial variations of the PAH properties in detail.

We have found a correlation between the far - to mid-IR flux ratio and the equivalent width of the PAH emission feature.

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.

They are not roasted or smoked — the roasting and smoking processes are what can lead to the presence of PAH in substances such as yerba maté.

However, no studies have examined whether intake of this PAH source influences survival after breast cancer.

Not exact matches

Johnson & Johnson has been jockeying to snap up Actelion, Europe's largest biotech and a maker of drugs for the deadly heart and lung condition pulmonary arterial hypertension (PAH).

«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).

One of the year's biggest biopharma M&A scuffles came to an end in January when Johnson & Johnson finally struck a deal to buy Actelion, Europe's biggest biotech and a maker of pulmonary arterial hypertension (PAH) drugs.

The future of proposed studies on nanoparticles and oil sands contaminants such as polycyclic aromatic hydrocarbons (PAHs) may now be dead.