Sentences with phrase «containing organic molecules»

The issue for scientists has been that it is not easy to look at simple chlorine - containing organic molecules and determine the origin of the organic compound components.
The risk from chlorine and chlorine - containing organic molecules in water is minute compared to the potential spread of cholera and typhoid,» she said.
Toyohashi University of Technology researchers led by Associate Professor Shibatomi developed new catalytic reaction to produce chlorine - containing organic molecules in isomerically pure (left - or right - handed) form
Scientists led by Sandra Pizzarello, a research professor in ASU's Department of Chemistry and Biochemistry, found that the Sutter's Mill meteorite, which exploded in a blazing fireball over California last year, contains organic molecules not previously found in any meteorites.
Unlike microcrystals, for example, the tubules have complex forms — often observed abruptly changing direction to avoid intersecting each other, in a manner consistent with tunneling microbial behavior — and contain organic molecules associated with biological activity; the Ries tubules are also similar to fossil traces of microbes found in volcanic glass.
Instead of metal, this compound contains organic molecules called nitroxides.
The water contains organic molecules and is one of the key components for supporting known biological organisms, Space.com said, and now researchers have purportedly found a second key ingredient: an energy source.

Not exact matches

A molecular cloud is an interstellar cloud of dust, gas, and a variety of molecules ranging from molecular hydrogen (H2) to complex, carbon - containing organics.
Researchers using the Atacama Large Millimeter / submillimeter Array (ALMA) have discovered a rotating ring containing large organic molecules around a protostar.
They analyzed the samples for colored dissolved organic matter, which contains light - absorbing molecules from the breakdown of plant polymers such as lignin.
One involves organic molecules — not the pricey kind from Whole Foods, but molecules that contain carbon.
The organic molecules that the researchers have built conduct electricity and contain dipoles.
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.
Below this was a huge volume of deoxygenated water containing bacteria that could break down organic molecules without oxygen.
Hayes and his colleagues looked at organic compounds from sediments formed between 1.8 billion and 550 million years ago, and found that simple hydrocarbons from the sediments contained more carbon - 13 than more complex organic molecules.
After some trial and error, the team designed a structure that worked: a metallo - organic case containing both metal ions and a carbon backbone surrounding a spherical molecule called bicyclooctane.
Secondly, the organic material in sewage normally contains long - chain carboxylic molecules, which are negatively charged — something Booker calls «a lucky stroke of nature».
Substrate molecules, such as organic compounds containing double bonds, can extract oxygen atoms from this bank to produce oxidized products.
Comets contain abundant organics — carbon - based molecules that are not necessarily formed from life.
The researchers tested a variety of solutions containing the soil bacteria Geobacter sulfurreducens and Thiobacillus denitrificans, which thrive by eating acetate (an organic compound that makes vinegar sour) and nitrate (a negatively - charged molecule of biologically available nitrogen and oxygen), respectively, when they can find a spare electron or two.
Despite these hurdles, several years ago the team discovered chlorobenzene, a ring - shaped molecule containing six carbons, along with other chlorinated organics, using a sample from a mudstone Curiosity drilled at Yellowknife Bay near its landing site in Gale crater.
Professor Baek and his team introduced a new synthetic methodology for fabrication of a 3D porous organic network with high specific surface area via a solid - state explosion of organic single crystals containing primer molecules.
For example, unlike clinical samples, which contain mostly organic - based biomolecules, environmental samples such as oil or seawater contain a high complexity of organic and inorganic molecules that could greatly complicate mass spectral analysis.
Methylene is the simplest member of a class of organic molecules known as carbenes, which contain an atom of carbon only bonded to two other atoms, in this case, a pair of hydrogen atoms.
Most of the molecules are organic (carbon - containing), including ones similar to Earth - like molecules but still others that are a strange assortment of species that could never be stable on Earth.
Its fundamental organic role lies in the development of the thyroid hormones triiodothyronine (T3) and thyroxine (T4).1 T4 and T3 contain four and three atoms of iodine per molecule, respectively.
Amino acids are biologically important organic molecules containing carboxyl -LRB-- COOH) and amino -LRB-- NH2) functional groups, and each molecule features a Fastlove - Speed Dating Singles Events.
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