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.