Sentences with phrase «other organic compounds of»

Not exact matches

found that organic crops have considerably higher concentrations of antioxidants and other beneficial compounds — about 50 percent more, compared to conventional crops.
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.
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 goal of this $ 2.5 million machine, the most ambitious ever sent to Mars, is geological: to analyse sediments that could have preserved organic compounds or other evidence of ancient microbes, if these were ever there.
Other guidelines may be found at the relevant society website: for example the American Chemical Society gives standards for the characterization of organic and inorganic molecular compounds.
Turning over rocks across the crater, the rover has compiled evidence of ancient water — a lake fed by rivers once occupied the crater itself — and organic compounds and other chemicals essential for life.
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.
«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.
Such model included meteorological factors like levels of aerosols, anthropogenic and biogenic volatile organic compounds (VOCs), ozone, carbon dioxide, methane, and other items that influence global temperature — the surface albedo among them.
Other molecules may help explain the origins of the organic compounds that gave rise to life on Earth.
Scientists from the Nencki Institute of Experimental Biology of the Polish Academy of Sciences in Warsaw have recently discovered that the alpha and beta cells communicate with each other, and the central role in this communication is played by cannabinoids — organic compounds that occur in nature also in inflorescences of cannabis.
The rover's science payload has the potential to identify organic carbon and other ingredients and compounds that make up the building blocks of biology.
In addition to methane, these «organic compounds» also include a large number of other gases that play an important role in the atmosphere.
Among biogenic volatile organic molecules is a class of compounds called monoterpenes, which react with ozone, hydroxyl radicals, nitrogen oxides, and other gases in the atmosphere.
The Notre Dame researchers, on the other hand, used organic compounds — acetylene and ethylene — to attempt to extend the range of the cells.
The study will involve doing an analysis not only of benzene biomarkers and other volatile organic compounds, but also of certain heavy metals in urine and hair samples.
Since 2006, he has worked with NOAA's air sampling system that uses glass flasks to collect atmospheric samples from 44 different sites around the world to track the annual increase of ethane and other so - called volatile organic compounds in the air.
Finding out how methane and other organic species are formed in deep - sea hydrothermal systems is compelling because these compounds support modern day life, providing energy for microbial communities in the deep biosphere, and because of the potential role of abiotically - formed organic compounds in the origin of life.
«We managed to present the first molecular evidence of a direct and ubiquitous source of ELVOCs arising from the oxidation of monoterpenes and other volatile organic compounds in the gas phase.»
In a separate study, researchers report that all samples drawn from 45 crocodiles at five sites in and around South Africa's Kruger National Park contained detectable levels of four PFAAs, often in different combinations with other of the 15 fluorinated organic compounds tracked.
For example, many scientists argue that DNA and other organic compounds could simply be remnants of past life, says Mark Lever, a geomicrobiologist at Aarhus University in Denmark.
While other species detected in space are formed by gas - phase chemistry alone, or by a combination of both gas and solid - phase generation, methanol is a complex organic compound which is formed solely in the ice phase via surface reactions on dust grains.
The abundance of water vapor, oxygen, methane, and other organic compounds in the atmosphere could be evidence of an active biosphere on the surface of a planet.
Stormwater is effectively a toxic mixture that can include polycyclic aromatic hydrocarbons, many of which are carcinogenic, metals, suspended particles, and other organic compounds, most of which have yet to be identified.
New volatile organic compounds used in construction and industry have now been recognised, along with other agents, such as sulphites, chlorates, isocyanates and many other chemicals already known to be potentially toxic, as causes of chronic asthma.
ORGANIC COMPOUNDS Organic compounds, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or COMPOUNDS Organic compounds, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or compounds, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.
Certain particle compounds may directly generate ROS in vivo because of their surface chemistry (eg, metals, organic compounds, and semiquinones) or after bioactivation by cytochrome P450 systems (eg, polycyclic aromatic hydrocarbon conversion to quinones).6, 290 a, 290 b A particle surface or anions present on otherwise more inert particles may disrupt iron homeostasis in the lung and thereby also generate ROS via Fenton reactions.291 Other PM constituents may do so indirectly by the upregulation of endogenous cellular sources (eg, nicotinamide adenine dinucleotide phosphate [NADPH]-RRB- oxidase) 292,293 or by perturbing organelle function (eg, mitochondria) by taken - up PM components.261 Particle stimulation of irritant and afferent ANS fibers may also play a role in local and systemic oxidative stress formation.294 Given the rich antioxidant defenses in the lung fluid, secondarily generated oxidization products of endogenous molecules (eg, oxidized phospholipids, proteins) or a reduction in endogenous antioxidants per se may be responsible at least in part for the state of oxidative stress in the lungs (along with instigating the subsequent cellular responses) rather than ROS derived directly from PM and its constituents.
What it is: An organic, glucose - like compound that facilitates the transmission of serotonin and other neurotransmitters.
When building or remodeling your home, ask for building materials and supplies that have the least amount of formaldehyde and other volatile organic compounds.
Does the brand Sea tangle, kelp noodles contain an unacceptable amount of non organic arsenic or other harmful compounds!?
found that organic crops have considerably higher concentrations of antioxidants and other beneficial compounds — about 50 percent more, compared to conventional crops.
They go on to say, «The manufacture of polyester and other synthetic fabrics is an energy - intensive process requiring large amounts of crude oil and releasing emissions including volatile organic compounds, particulate matter, and acid gases such as hydrogen chloride, all of which can cause or aggravate respiratory disease.»
Daily sauna sweating can help detoxify your body as it rids itself of accumulated highly toxic metals (lead, mercury, nickel, and cadmium) as well as alcohol, nicotine, sulfuric acid, and other organic and inorganic compounds.
The eco-INSTITUT evaluates the latex for an extensive list of chemicals including: formaldehyde, VOCS (volatile organic compounds), heavy metals, pesticides, phthalates, and other potentially harmful chemicals.
Avoid flooring with a short lifespan, made of non-recyclable materials, or those with installation methods that require lots of glue or other high - VOC (volatile organic compound) adhesives.
The report examined the levels of volatile organic compounds in a school and nine other buildings.
«My instinct is that it only makes sense to prevent children's exposure to chemicals known to affect the nervous system, and those include pesticides, solvents, many volatile organic compounds, metals, PCBs, and thousands of other poorly tested synthetic chemicals now in commerce.
In particular, aircraft jet engines produce carbon dioxide (CO2), water vapor (H2O), nitrogen oxides (NOx), carbon monoxide (CO), oxides of sulfur (SOx), unburned or partially combusted hydrocarbons (also known as volatile organic compounds, or VOCs), particulates, and other trace compounds.
EcoWellDog — Skunk Odor Neutralizing Products EcoWellDog's Skunk Odor Neutralizing Spray and Skunk Odor Neutralizing Shampoo contain naturally derived essential oils and organic compounds that neutralize skunk odors and other foul smells by chemically altering the molecular structure of the malodor components.
Biological residue is defined as any substance, including metabolites, remaining in poultry at the time of slaughter or in any of its tissues after slaughter, as the result of treatment or exposure of the live poultry to a pesticide, organic compound, metallic or inorganic compound, hormone, hormone - like substance, growth promoter, antibiotic, anthelmintic, tranquilizer, or other agent that leaves a residue (9 CFR 381.1).»
The standards we recommend in this report would also significantly reduce emissions of other air pollutants, specifically smog - forming volatile organic compounds and toxic pollutants like benzene that cause cancer and are associated with a host of other health problems.
Various Updates In a move that environmental campaigners had sought for years (as had I), the Environmental Protection Agency has issued final rules that could substantially cut emissions of heat - trapping methane, smog - forming volatile organic compounds and toxic air pollutants such as benzene from new, rebuilt or modified oil and gas wells and other infrastructure and operations.
On the other hand, reactions of the CH3S (O)(O) O • radical with organic compounds such as formaldehyde (HCHO) or methane (CH4) are more favorable.
An international team of researchers report in Nature Communications that they made a computer model of the planet's atmospheric conditions: they included natural and human - triggered aerosols, volatile organic compounds, greenhouse gases and other factors that influence temperature, one of which is albedo: the scientist's word for the capacity of terrain to absorb or reflect solar radiation.
In addition, the introduction of volatile organic compounds (VOCs) and other contaminants to the site can degrade the building's indoor environmental quality before occupancy begins.
Since there are no environmental protection regulations governing indoor residential kitchens, your lungs, skin and digestive systems have become the de facto filter for a soufflé of carbon monoxide, nitrogen dioxide, formaldehydes, volatile organic compounds, polycyclic aromatic hydrocarbons, fine and ultra fine particles and other pollutants associated with meal preparation.
An EPA study of chemicals in septic tanks found toluene, methylene chloride, benzene, chloroform, and other volatile synthetic organic compounds related to home chemical use, many of them cancer - causing.
Seitz's letter warned that» [t] he United States is very close to adopting» the Kyoto Protocol, which, according to Seitz, «would ration the use of energy and of technologies that depend upon coal, oil, and natural gas and some other organic compounds
Just like the paint on your walls, the stuff holding your house together can off - gas volatile organic compounds and other hazardous air pollutants that are not good for you, but you can avoid the headache (literally) of dealing with these with something like Titebond's GreenChoice.
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