Sentences with phrase «of organic compounds as»

Molecular dynamics and density functional theory will be employed to catalog the binding energy of adsorption of a host of organic compounds as identified by Project 1.1, onto mineral grains.

Not exact matches

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.

How is it «teddy - bear» like to define yourself as a fleeting clump of organic compounds, rather than a loved child?

Therein he argues, first, that Whiteheadian societies are reductively only aggregates of actual entities, and, secondly, that higher organic compounds (e.g., animal bodies) must be regarded as substances in their own right (NPE 284 - 96).

Organic matter does this either by «gluing» soil particles together or creating favorable living conditions for soil microorganisms, which in turn can «glue» soil particles together through production of various organic compounds such as glomalin or by the action of fungal hyphae (Sylvia et al., 2005).

Dark chocolate is full of organic compounds like polyphenols and flavonoids that act as powerful antioxidants

Inputs into an organic production system are generally prohibited if synthetically compounded — defined by the ACO Standard as a process which chemically changes a material derived from plant, animal or mineral resources, with the exception of microbiological processes.

Depending on what the mother has been exposed to in her environment, breast milk can contain concerning levels of organic compounds like PCBs, as well as heavy metals and hormone - disrupters.

Organic Crib Mattress: As the name implies, such mattresses are made of organic materials, and absent of any chemical and industrial compounds — flame retardants, PBDE, vinyl, polyurethane foam, latex, etc., in the fear of them causing unwanted harm to their occupants.

By using products bearing the GREENGUARD Children & SchoolsSM or GREENGUARD Gold Certification mark, parents, teachers and school officials can rest easy knowing these products have been independently tested and verified to meet strict emission levels of pollutants, such as volatile organic compounds (VOCs), formaldehyde and phthalates.

Researchers tested the the foam padding in crib mattresses, and found they release significant amounts of volatile organic compounds (VOCs), potentially harmful chemicals also found in household items such as cleaners and scented sprays.

The vapor accompanying these particles was mostly water but contained trace amounts of simple organic compounds, as well as carbon dioxide and ammonia — all ingredients important for the sustenance and even origin of life.

These mixtures have recently emerged as a greener alternative to many of the liquids that are often used to absorb volatile organic compounds.

To get around that problem, a group at the Department of Energy's Ames Laboratory in Iowa, led by Vitalij Pecharsky — a materials scientist with a joint appointment at Iowa State University, Ames — started with powdery organic compounds, such as phosphonium salts, solid aldehydes or ketones, and anhydrous potassium carbonate.

In a new paper she studies dimethyl sulfide and chloromethane, compounds that result from the breakdown of organic material, as promising targets.

The researchers, who released their findings in the current issue of the Journal of Functional Foods, suggest that cruciferous vegetables — such as broccoli, brussels sprouts and cabbage — contain an organic chemical compound called indole glucosinolates, which breaks down into other compounds, including indolocarbazole — ICZ — in the stomach.

One of these compounds is classed as a persistent organic pollutant under the UNEP Stockholm Convention and industry agreed, largely voluntarily, to phase out some of these compounds.

And without organic compounds — molecular combinations of carbon and hydrogen — life as we know it is not imaginable.

HER PROJECT: Stabilizing a fluorescent compound WHAT LED TO THE PROJECT: As the daughter of John Zoltewicz, a longtime professor of organic chemistry at the University of Florida in Gainesville, Susie Zoltewicz grew up hearing about chemical experiments.

By measuring the concentration of these microRNAs as well as the number of regulatory T cells in maternal and cord blood it could be shown that a high exposure to inhaled volatile organic compounds (VOCs) associated with tobacco smoke coincides with high values for miR - 223.

The acids form when organic, carbon - containing compounds and water are zapped with a source of energy, such as photons — a process that can take place on Earth or in space.

It is regarded as a fundamental building block of all more complex organic compounds.»

«The deposition of compounds such as sugars and organic acids from living roots can increase the activity of bacteria and fungi, and it's this increase in activity that accelerates the decomposition of carbon in the soil, leading to higher CO2 emissions,» Sulman said.

«Volatile organic compounds are created by physiological processes of the human body's metabolism and are expelled as waste through faeces.

With its sophisticated on - board chemistry lab, Curiosity is hunting for more robust signs of habitability, including organic compounds — the carbon - based building blocks of life as we know it.

Titan's surface temperature of — 290 degrees Fahrenheit probably rules out life as we know it, but the simulation shows that organic compounds can arise even under hostile conditions.

On examination, the ozone proved to be largely interacting with one of the primary components of skin oils, the natural organic compound known as squalene, which is used as an adjuvant and moisturizer.

Unlike the electrodes used in lithium - ion batteries, these organic compounds don't rely on intercalation — the process of continuously integrating ions into their molecular matrix, which slows down as the temperature drops.

«The presence of synthetic compounds such as glycol ethers... and the assortment of other organic components is explained as the result of direct mixing of hydraulic fracturing fluids with ground water in the Pavillion gas field,» the draft report states.

With many sources of pollution in some parts of the world, however, air pollution also can contain a mix of hazardous gaseous molecules, such as carbon monoxide, formaldehyde, sulfur dioxide and other volatile organic compounds.

Substitution of a purely organic powder, such as one of the organic peroxide compounds already used by terrorists, would avoid the projection of such a distinctive image.

As paper decomposes, it emits a blend of volatile organic compounds that our noses recognize as the familiar old book smelAs paper decomposes, it emits a blend of volatile organic compounds that our noses recognize as the familiar old book smelas the familiar old book smell.

It also red flags varieties known to contain high levels of mercury, a metal associated with neurological problems and birth defects, as well as polychlorinated biphenyls (PCBs), organic compounds that are assumed carcinogens and have also been linked to reproductive problems.

The presence of these so - called herbivore - induced volatile organic compounds can make the plant less attractive to pollinators, which can reduce pollen deposition and negatively affect individual plants, an effect known as herbivore - induced pollinator limitation.

Using the energy of the sun, they break the water molecules apart and use the hydrogen to create organic compounds like carbohydrates, leaving oxygen behind as a by - product.

As a result, this group succeeded in isolating ORs which respond to three types of volatile organic compounds (2 - pentanone, pyridine, 2 - butanone) respectively in urine samples from lung cancer patients.

He predicts there will soon be an «explosion» of devices using organic compounds as sensors because they are cheap and easy to make, and much of the basic science about how these compounds react is already known.

Air monitoring by researchers in 2000 found levels of volatile organic compounds — highly reactive ozone precursors such as benzene, known as VOCs — were 10 to 100 times higher than what had previously been estimated.

They write, «We show that anaerobic microsites are important regulators of soil carbon persistence, shifting microbial metabolism to less efficient anaerobic respiration and selectively protecting otherwise bioavailable, reduced organic compounds such as lipids and waxes from decomposition.

Polyaniline belongs to a class of compounds known as organic conducting polymers.

Both compounds, known as persistent organic compounds or POPs, do not easily degrade and can accumulate in the tissue of humans and animals.

Of course, the more we burn, the more we produce those man - made precursor pollutants, such as nitrous oxides and so - called volatile organic compounds.

Titan's gentle winds will push TiME along as it snaps photos and measures the moon's rich mix of organic compounds.

BRUSSELS has taken a step closer to agreement over a directive that will reduce emissions of volatile organic compounds, such as benzene.

As organic chemists developed ways to use «combinatorial approaches» — the ability to synthesize vast libraries of compounds — CADD was declared redundant.

For this project, Isaacman - VanWertz studied the smell of pine, which is made of an organic compound known as pinene.

Alien as this may seem, Titan's atmosphere — rich in nitrogen and organic compounds — may be similar to the atmosphere of early Earth.

In the new study, led by Purdue biochemist Natalia Dudareva, the team looked for genetic changes as the plant developed from its budding stage, which had the lowest levels of volatile organic compounds, to its flower - opening stage, with the highest levels.

An evaluation test with total volatile organic compounds (TVOC), such as acetaldehyde, nicotine and tar, which account for the largest volume of gaseous materials in cigarette smoke, is conducted to evaluate the performance of the newly - developed catalyst.

Cellulose, the world's most abundant organic compound, has long interested researchers as a source of renewable fuel.