(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 solvent
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 solvent
in 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 (VOCs
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 (VOCs
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 (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.