Sentences with phrase «precursor chemicals in»

Not exact matches

Rich in zinc, which can help boost memory and cognitive function, pumpkin seeds also contain plenty of magnesium, B vitamins and tryptophan, which is a precursor to serotonin, a mood - boosting brain chemical.

... The direct synthesis of... nucleotides from prebiotic precursors in reasonable yield and unaccompanied by larger amounts of unrelated molecules could not be achieved by presently known chemical reactions» (5).

He says the proper chemical precursors are simply not found in ginger.

Back then, as a lowly lab tech at a chemical company, Arnold could never get hold of the precursor, a prohibitively expensive synthetic progestogen known as levonorgestrel, the active ingredient in the morning - after pill.

Cobbling together the genes of three different species, chemical engineer Jay Keasling (Discover's 2006 Scientist of the Year) of the University of California at Berkeley transformed a metabolic pathway in yeast that allows the engineered microbe to produce a precursor to artemisinin, a compound used to treat malaria.

Methane, for example, is the second strongest contributor to climate warming after CO2 and is also an ozone precursor: chemical reactions in the atmosphere involving methane produce ozone, a pollutant that presents significant health risks.

Nadeau stumbled upon one study, in mice, describing how environmental factors can tag Foxp3 with chemical markers that tell T - cell precursors to switch the gene on or off.

The chemicals used in methamphetamine production are highly toxic and can include not only pseudoephenadrine — the main ingredient in meth and active ingredient in decongestants — but also 32 other precursor chemicals.

Twelve years ago in his Berkeley lab, Keasling figured out how to program baker's yeast to produce a chemical precursor to artemisinin, the world's most potent anti-malarial drug.

In just two years of work with the Robert C. Byrd Green Bank Telescope, astronomers have discovered eight new organic molecules near the center of the Milky Way, bolstering theories that key chemical precursors of life were first forged in deep spacIn just two years of work with the Robert C. Byrd Green Bank Telescope, astronomers have discovered eight new organic molecules near the center of the Milky Way, bolstering theories that key chemical precursors of life were first forged in deep spacin deep space.

This particular foam is one of about 1,300 that Arsenal Medical researchers tested as they experimented with variables such as the rate of expansion and the amount of time in which the two chemical precursors became a solid foam.

This problem, which Hurst calls single atom failure, may one day be a common nuisance in everyday life, and will be prevented only by heroic new methods of chemical analysis, of which Hurstís resonance technique is a precursor.

In the famous Miller - Urey experiment of the 1950s, researchers produced a rich soup of amino acids by running an electric current through flasks containing elements of a primitive Earth, thus showing how precursor chemicals could have formed here.

Astronomers recently saw the chemical signature of phosphorus - oxygen molecules in a star - forming region, suggesting that simple precursors of DNA float in the soup of new solar systems.

In a paper appearing in the Feb. 13 issue of Nature Biotechnology, the researchers showed that they could significantly enhance the yield of glucaric acid, a chemical that is a precursor to products such as nylons and detergentIn a paper appearing in the Feb. 13 issue of Nature Biotechnology, the researchers showed that they could significantly enhance the yield of glucaric acid, a chemical that is a precursor to products such as nylons and detergentin the Feb. 13 issue of Nature Biotechnology, the researchers showed that they could significantly enhance the yield of glucaric acid, a chemical that is a precursor to products such as nylons and detergents.

Ironically, cyanides are incredibly toxic to life once it's established, but they could be key ingredients in the chemical precursors for life.

Tony and his clientele admit to taking stronger «smart drugs» than those he's selling tonight, drugs such as piracetam (which supposedly boosts levels of acetylcholine in the brain), hydergine and propanolol (both said to work by increasing blood flow through the brain), L - Dopa (a chemical precursor of the neurotransmitter dopamine), phenytoin, vasopressin, deprenyl, the list seems almost endless.

16 Glycolaldehyde can react with a three - carbon sugar to form ribose, the basis for both RNA and DNA, so the glycolaldehyde found in deep space may be a chemical precursor to life on Earth.

Syria possesses about 1,000 metric tons of chemicals for weapons, Walker said, with nearly all of it in the form of chemical precursors for sarin and mustard gas.

These radicals, in turn, reacted with the remaining formamide to generate 2,3 - diaminomaleonitrile — DAMN for short — which is a chemical precursor to the nucleobases.

«The research group focused on three or four different catalytic reactions used in high production volume chemicals, including this one for producing a precursor to nylon, which as an industry has enormous applications,» said Slowing, who is also an adjunct assistant professor of chemistry at Iowa State University.

The brain is well buffered against the effect of arbitrary increases or decreases in circulating chemicals so that simply consuming food additives which are acetylcholine precursors will not normally increase your brain acetylcholine level.

Being able to literally pull apart these triazoles into their constituent precursors and then unlock their chemical reactivity in new ways is now possible with the assistance of mechanical force,» he says.»

In these droplets he can simulate how the chemical precursors to life became the cells we know today.

One to three layers of graphene are formed on the nickel foam in a chemical vapor deposition (CVD) furnace, and the iron, manganese and phosphorus are added on top of that, also via CVD and from a single precursor.

Wang, T, Xue, L, Brimblecombe, P, Lam, YF, Li, L and Zhang, L 2017 Ozone pollution in China: A review of concentrations, meteorological influences, chemical precursors, and effects.

In his laboratory mice, Dr. Ding has now used chemical reprogramming to turn fibroblasts into neural «precursor» cells with the potential to become new oligodendrocytes.

The researchers embedded heteroatoms at equivalent atomic sites in the nanographene ribbons using in - surface chemical reactions with special precursor molecules.

In search of meteor showers, an airborne research mission indicates that the chemical precursors to life found in comet dust into early Earth's atmospherIn search of meteor showers, an airborne research mission indicates that the chemical precursors to life found in comet dust into early Earth's atmospherin comet dust into early Earth's atmosphere.

To sidestep the slow production, Cornell University's Jiwoong Park used Mo (CO) 6 or W (CO) 6 as precursors in a chemical vapor deposition process to form films of MoS2 and WS2, respectively, that were only three atoms thick but covered an area of about 65 cm2 (Nature 2015, DOI: 10.1038 / nature14417).

Until now, scientists created most silicon clathrates by heating a chemical precursor in a vacuum.

PFOA can also be transported via the atmosphere in two ways: bound to other particles which are emitted from industrial facilities, or because its chemical precursors pollute the air and they then degrade into PFOA.

Avocados are a good source of the amino acid tyrosine, a precursor to dopamine, the brain chemical involved in pleasure, motivation and learning.

[1] It is a precursor to other chemicals and is biochemically active, inhibiting energy (adenosine triphosphate, ATP) production in cells with mitochondria.

In a model that calculates atmospheric chemistry, the ozone distribution is a function of the emissions of chemical precursors, the solar UV input and the climate itself.

Instead of harnessing the sun's energy to convert carbon dioxide into plant food, artificial photosynthesis seeks to use the same starting ingredients to produce chemical precursors commonly used in synthetic products as well as fuels like ethanol.

«We have made a sustainable precursor to a tactical fuel with a high energy density,» stated Peralta - Yahya, an assistant professor in the School of Chemistry and Biochemistry and the School of Chemical and Biomolecular Engineering at Georgia Tech.

This paper deals with measurements of aerosols, their chemical properties and precursor trace gases at Agra in the Indo - Gangetic plain.