Sentences with phrase «of organic compounds in»

(i) origin and evolution of planetary systems; (ii) origins of organic compounds in space; (iii) rock - water - carbon interactions, organic synthesis on earth, and steps to life; (iv) life and habitability; (v) biosignatures as facilitating life detection.
They also used chemical analysis of organic compounds in the scales to infer the dinosaur's pigmentation pattern.
Intriguingly, radioactive carbon was detected, but then another experiment found no evidence of organic compounds in the soil — there were no alien bodies.
In doing so, they were able to fill in significant gaps in the inventory of organic compounds in the atmosphere, finding that about a third of them were in the form of previously unmeasured semi-volatile and intermediate - volatility organic compounds (SVOCs and IVOCs).
Employed on waste water streams, such technologies can achieve up to 99 % COD removal in some types of wastewater (COD, chemical oxygen demand, indicating the amount of organic compounds in water).

Not exact matches

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.
Life is the natural and outcome of organic compounds that like everthing in the Universe combine and build new things.
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).
These potent organic compounds may play a role in preventing certain types of cancers and provide protection against heart disease, so keeping them in tact is extra important.
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).
Rembialkowska, Ewa; Hallmann, Ewelina; Rusaczonek, Anna; Bennett, Richard; Brandt, Kirsten; Lueck, Lorna and Leifert, Carlo (2007) The content of bioactive compounds in rat experimental diets based on organic, low - input and conventional plant materials.
That's because it contains a variety of organic sulfur compounds in a volatile oil, which provide certain health benefits.
Globally, over 220 million people suffer from food allergies and most countries report an increase in incidence.26 It is predicted that by 2050 the number of patients affected by allergic diseases in Australia will increase by 70 % to 7.7 million.27 By 2021, the markets for naturally healthy (US$ 291 billion), food intolerance (US$ 42 billion) and organic products (US$ 45 billion) are expected to have grown at up to 4.5 % compound annual growth rate (CAGR).28
The 1 MG ADI - BVF anaerobic unit can also treat moderate - to - high concentrations of organic compounds, suspended solids, and fat, oil, and grease (FOG) in a single stage and typically without the need for primary treatment, according to Evoqua.
«Garden equipment engines emit high levels of carbon monoxide, volatile organic compounds and nitrogen oxides, producing up to 5 % of the nation's air pollution and a good deal more in many metropolitan areas like Los Angeles.
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.
I also knew that the MMR was a shot under scrutiny about the link of thimerosal (a mercury - containing organic compound) in this and various vaccines and its link to autism.
A study published in the Archives of Environmental Health in 1999, found that disposable diapers release chemicals called volatile organic compounds (VOCs), including toluene, ethylbenzene, xylene and dipentene.
Greenguard is a third - party independent organization that rates products in regards to indoor air quality and levels of volatile organic compounds.
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 well - drilling unit played a key role in the county's groundwater investigation that forced the U.S. Navy to step up efforts to clean up a groundwater plume contaminated with high concentrations of «volatile organic compounds» beneath the former Grumman weapons facility in Calverton.
We found that the particles seen in our images, which were droplets of ocean only hours earlier, bore evidence of large organic molecules and compounds that indicated hydrothermal activity similar to that observed at deep - sea vents on Earth's seafloor.
Scientific American covers this year's winners, whose work includes advances in the study of nanotechnology, the building of complex organic compounds, the development of in vitro fertilization and the understanding of «search friction» in the job market
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.
In the 5 June issue of the Journal of the American Chemical Society, a team reports that it has carried out a battery of common organic chemistry reactions using solid compounds, without first dissolving them in the usual solventIn the 5 June issue of the Journal of the American Chemical Society, a team reports that it has carried out a battery of common organic chemistry reactions using solid compounds, without first dissolving them in the usual solventin the usual solvents.
To try to develop a more sensitive probe for isolating individual peptides — short strands of amino acids — from a pool of similar molecules, a team led by chemist Clark Still of Columbia University 4 years ago synthesized small organic compounds that selectively fish out peptides dissolved in chloroform.
Three chemists will share the award for developing chemical reactions that enable the building of complex organic compounds with wide applications in medicine, industry and agriculture
Harmful gaseous pollutants in the form of volatile organic compounds are often released into the air when chemicals are used, for example in cleaning products.
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.
Peptides are made up of chains of amino acids — the 20 basic organic compounds found in proteins — but they are about one - tenth the size of proteins.
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.
Evidence for such an origin might be bolstered if scientists find signs of other materials known to be present in comets, like carbon - based compounds called organics.
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.
The goal of both research teams is to provide a baseline of what organic compounds are in the water, in what quantities, and how they are getting there — key steps toward ensuring that the water we drink isn't killing us.
«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.
The organic (carbon - containing) compounds they studied in that patch of Colorado forest play a key role in atmospheric chemical processes that can affect air quality, the health of the ecosystem, and the climate itself.
Their inspiration was a compound with a molecular core consisting of a cube of eight carbon atoms studded with hydrogens, first synthesized in 1964 by Philip Eaton, an organic chemist at the University of Chicago, and his colleagues.
He was an organic chemistry professor at the Federal Institute of Technology in Zurich, Switzerland, from 1942 to 1976, where he carried out research on alkaloids, antibiotics, enzymes, and other organic compounds.
They hit upon a small organic compound called SB 247464 that stimulated the growth of mouse white blood cells in culture and in living mice.
In a new study published in the Proceedings of the National Academy of Sciences (PNAS), researchers from Innsbruck, Austria, present the world's first chemical fingerprint of urban emission sources of volatile organic compounds (VOCsIn a new study published in the Proceedings of the National Academy of Sciences (PNAS), researchers from Innsbruck, Austria, present the world's first chemical fingerprint of urban emission sources of volatile organic compounds (VOCsin the Proceedings of the National Academy of Sciences (PNAS), researchers from Innsbruck, Austria, present the world's first chemical fingerprint of urban emission sources of volatile organic compounds (VOCs).
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.
Researchers in China have developed a battery with organic compound electrodes that can function at -70 degrees Celsius — far colder than the temperature at which lithium - ion batteries lose most of their ability to conduct and store energy.
Biochemist Lars Thelander at the announcement from the Royal Swedish Academy of Sciences: «Palladium - catalyzed cross-coupling has made it possible to synthesize carbon based molecules, for example, new medicines, agricultural chemicals and organic compounds used in the electronics industry.»
«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.
A group of researchers at Osaka University, succeeded in producing nanostructured gas sensor devices for detecting volatile organic compounds (VOC) in breath for the purpose of healthcare in time equivalent to or shorter than one tenth of the time required for manufacturing conventional gas sensors.
at The Institute of Scientific and Industrial Research, Osaka University, succeeded in producing nanostructured gas sensor devices for detecting volatile organic compounds (VOC) in breath for the purpose of healthcare in time equivalent to or shorter than one tenth of the time required for manufacturing conventional gas sensors.
The city authorities in Vienna hope this will reduce the emissions of volatile organic compounds from vehicles from 60 to 45 tonnes a day.
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