Sentences with phrase «precursor chemical for»

Methane is of interest as a simple precursor chemical for life.

Consumers reach for highly watered - down hydrogen peroxide to clean out minor cuts and scrapes, but the chemical also could be useful for numerous industrial processes as different as making flexible foam seat cushions or precursor chemicals for flame retardants.

Not exact matches

To do so, he sat down with The Merck Index, a standard reference manual for chemicals, drugs, and other compounds, and turned to the section on the class of hormones to which norbolethone's precursor belonged.

Simple aromatic molecules such as benzonitrile may be precursors for polycyclic aromatic hydrocarbon formation, providing a chemical link to the carriers of the unidentified infrared bands.

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.

Comparing Purple Kush with another popular form of the same plant — the hemp - fiber producing Finola varietal — the group found that one gene critical for churning out the precursors to the chemical that gives pot its kick, tetrahydrocannabinol or THC, had been turned off.

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

Dopamine, a molecule crucial for signaling between neurons, can not cross this barrier, which is why its chemical precursor, L - dopa, is used instead to treat Parkinson's disease.

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.

They were looking for a site with a venting process that produces a lot of hydrogen because of the potential it holds for the chemical, or abiotic, creation of organic molecules like methane — possible precursors to the prebiotic compounds from which life on Earth emerged.

They then split each of these two strains into three groups and to each group added genes for one of three different metabolic pathways that allow the microbes to make chemical precursors for either gasoline, diesel, or jet fuel.

This lack of specificity allows the enzymes to bind to different chemical precursors, which is the reason for a larger number of products.

Thanks to this new interdisciplinary pursuit of astrochemistry, the 140 - foot went on to discover formic acid (you know it as insect venom), methanol, acetaldehyde (the chemical responsible for hangovers), and cyanoacetylene (a possible precursor to the DNA acid cytosine).

The Orbitrap Mass Analyzer combined with advanced quadrupole, S - lens, and a high - performance HCD collision cell for MS / MS plus features such as up to 18 hz scan rate, data - independent analysis (DIA), selected - ion monitoring (SIM), and spectral multiplexing up to ten precursors / scan make this system a state - of - the - art instrument for chemical and biochemical molecules analysis with up to 280,000 resolution, < 1 ppm mass accuracy, and femtogram sensitivity.

Carbohydrates provide precursors for serotonin, the «joy and well - being» brain chemical that can ward off depression and also be calming.

Different amino acids act as neurotransmitters, or may serve as precursors for these chemical messengers.

GLA is a precursor to important biochemicals, such as prostaglandins, leukotrienes, and thromboxanes, which serve as chemical mediators for inflammatory and immune reactions.

Glycine is a precursor for glutathione, greatly needed when the human body has been exposed to chemicals or drugs.

The yields of target chemical molecules produced from the acetate were also encouraging — as high as 26 - percent for butanol, a fuel comparable to gasoline, 25 - percent for amorphadiene, a precursor to the antimaleria drug artemisinin, and 52 - percent for the renewable and biodegradable plastic PHB.

The researchers basically amplified and then short - circuited E. coli's internal machinery for producing large fatty - acid molecules, enabling them to convert precursor molecules directly into fuels and other chemicals.

(a) Toxic chemicals and their precursors, except where intended for purposes not prohibited under this Convention, as long as the types and quantities are consistent with such purposes;