Sentences with phrase «for organic molecules»

It features a tubeless housing design, a reaction chamber that provides ample room for organic molecules to bind with air bubbles, a CE - certified pump with a needle - wheel impeller for increased air - to - water contact, and an easy - to - clean housing.

Thus, comets may be the delivery vehicles for organic molecules necessary for life to begin on a new planet.»

Previous searches for organic molecules in the LMC detected small amounts of methanol, the parent molecule of the two newly - discovered compounds.

The prokaryotic cells that were too small to be digested continued to live inside the host eukaryote, eventually becoming dependent on the host cell for organic molecules and inorganic compounds.

This is why the CND was thought to be a very difficult environment for organic molecules to survive.

Previous hunts for life, including the experiments on the Viking landers, looked for organic molecules on Mars's surface.

But what lurks in the colder regions of near - empty space between stars — regions vast enough for organic molecules to wander for decades, perhaps -LSB-...]

Astronomers used a radio telescope called the Atacama Large Millimeter / submillimeter Array (ALMA) to look for organic molecules in the Large Magellanic Cloud, located about 160,000 light - years from Earth.

Not exact matches

For all entities, elementary particles, atoms, molecules, and so on, are organic unities, each integrating into itself organic unities smaller in size with the differences in size being unproblematical between each level, above or below.11

There can still be local decreases in entropy, as happens with all living organisms while they are still alive and in some other situations as, for example, when complex organic molecules are made from their constituent atoms in outer space, as now seems to be the case.

«We're looking for clever active elements or molecules to store and release the energy, organics that are really abundant, cheap and versatile,» says Crabtree.

One of the key clues will be the presence or lack of complex organic compounds — molecules featuring carbon that are both ingredients for life and potential by - products of it.

Richard Heck, Ei - ichi Negishi and Akira Suzuki won the Nobel Prize in chemistry for the development of new ways to synthesize complex organic molecules using palladium - catalyzed cross-couplings.

To try to develop a more sensitive probe for isolating individual peptides — short strands of amino acids — from a pool of similar molecules, a team led by chemist Clark Still of Columbia University 4 years ago synthesized small organic compounds that selectively fish out peptides dissolved in chloroform.

Though all my work required the making of new molecules, individual projects ranged from designing organic compounds that control the reactivity of metal ions to generating conductive polymers for lithium - ion batteries.

He adds that the crystal might serve as a protective layer for organic LEDs or act as a sieve for separating larger drugs and other organic molecules than is currently practical.

Or perhaps, he says, formation models need to be adjusted to make it easier for larger building blocks to grow in the outer solar system where comets form and where ice and organic molecules could assist in the sticking.

Geneticists and information scientists have built and are building models for the transition of organic molecules to self - replicating living organisms, based on theories of Earth's early development provided by astronomers, geologists, and oceanographers and on the evidence of fossilized microorganisms discovered by paleontologists.

They analyzed the samples for colored dissolved organic matter, which contains light - absorbing molecules from the breakdown of plant polymers such as lignin.

SAN FRANCISCO — NASA's Curiosity rover has caught a whiff of methane in Mars» atmosphere and has for the first time detected organic molecules in rocks on the planet's surface.

Jim Tour and colleagues at Rice University in Houston, US, built a chassis and wheels for a nano - car from organic molecules at the end of 2005.

Volcanic plumes were ideal crucibles for sparking stable nitrogen to form reactive compounds that led to the first organic molecules, chemists report in the 15 August Geophysical Research Letters.

One chemist has a new strategy to scan for life on other worlds: bypass organic chemistry in favour of any molecules too complicated to form spontaneously

In a private letter, Miescher argued that the various forms of organic molecules were sufficient for «all the wealth and variety of hereditary transmission [to] find expression just as all the words and concepts of all languages can find expression in 24 to 30 alphabetic letters.»

While working with synthetic organic molecules, Arndt's group has observed interference patterns for the largest molecule ever: a 430 - atom behemoth with 8 tentacles radiating from its center, earning it the nickname, «the quantum octopus.»

Biochemist Lars Thelander at the announcement from the Royal Swedish Academy of Sciences: «Palladium - catalyzed cross-coupling has made it possible to synthesize carbon based molecules, for example, new medicines, agricultural chemicals and organic compounds used in the electronics industry.»

Amines are used widely in bioactive molecules, drugs, and various organic materials, and preparing them is one of the most important tasks for synthetic chemists in both academia and industry.

It is also much longer than the average lifetime of dissolved organic molecules in the ocean, which generally circulate for thousands of years, not millions.

Using the same principle, researchers today replace protons with deuterons in organic compounds, to pin down the way molecules are arranged in, for example, thin films.

Known for their exceptional porosity that enables the trapping or transport of molecules, metal - organic frameworks (MOFs) take the form of a powder, which makes them difficult to format.

It can reveal details of the minerals inside rocks, and so what the micro-environment for life is, but we can also use it to detect organic molecules and signs of life itself.»

This is because the organic molecules responsible for DIBs clump together there.

He searches for organics in dinosaur fossils by using heat to break down molecules into volatile components and running them through a mass spectrometer.

«That gives us some idea about why the environment looks like it does and it also gives us an idea of where to look for rocks that are even less exposed to cosmic rays,» and thus are more likely to have preserved organic molecules, Farley says.

In addition to water, the rover will look for organic carbon — from which life could be built — and molecules that could serve as an energy source.

The Grignard reaction is a classic reaction in organic chemistry, useful for building the carbon skeleton of molecules by transforming carbon - halogen bonds into carbon - carbon bonds.

The new study showed wagon - wheel molecules emit light randomly in all directions — a necessary feature for a more efficient OLED, or organic LED.

In York, inspired by the «beauty and symmetry» of the dendritic organic molecules he had worked on for his postdoc, Smith and his lab members worked to create similar molecules.

In their experiments, the researchers made use of DXP, the organic molecule which is a red dye of the same type as once used by Ferrari for their famous Testarossa.

At present, most instruments on astrobiology missions look for habitable conditions, small organic molecules and other «biosignatures» that generally could not be formed without life.

For the first time, complex organic molecules (depicted by stick molecules in the artist's representation above) that are potential precursors to some building blocks of life have been spotted in the protoplanetary disk surrounding another star.

The results are encouraging for Aspuru - Guzik, who, in collaboration with computer giant IBM, is using the same computational tools to screen some 3.5 million organic molecules in the search for a new generation of flexible and lightweight solar cells.

They suspect that the way the olfactory system is organized has little to do with how an organic chemist might organize molecules (for instance, by the number of carbon atoms on each molecule); instead, it more closely resembles the complex way that chemicals are associated in the real world.

This novel technique and the information it provides have significant implications for future transport property manipulation in electronic devices featuring organic molecules, such as solar cells and light - emitting diodes.

Water locked away in rocks for 1.5 billion years reveals conditions were right for complex organic molecules to form in deep sea hydrothermal vents

«We don't know yet how the organic molecules and inorganic nanoparticles interacted,» Kotov said, «or how chirality evolved to become left for amino acids and on right for sugars.

They have also found components used to make DNA, the molecule that carries the instructions for how to build and regulate a living organism, as well as other biologically important molecules like nitrogen heterocycles, sugar - related organic compounds, and compounds found in modern metabolism.

It has long been suggested that the meteoritic and cometary material that bombarded the early Earth delivered the raw materials — complex organic molecules, such as glycine, β - alanine, γ - amino - n - butyric acid, and water — and the energy that was required for synthesis.

With phosphorus tied up in organic molecules, it can be exceedingly difficult for bacteria to reach.

Their results for the organic semiconductors 4T and P3HT showed that the guest molecules — quite contrary to the expectations — are not uniformly incorporated in the host lattice at all.