Sentences with phrase «organic molecules like»

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.

It might have been big, complex organic molecules like amino acids, the molecular remains of long - dead martian organisms.

Photosynthesis allows them to take in the latter directly from the air, but they have to procure nitrogen through their roots in the form of organic molecules like ammonia or urea.

In previous passes through the plumes, the Cassini team found organic molecules like methane and formaldehyde.

Not exact matches

This is still a far cry from a cell, but the important thing is that the experiments uniformly demonstrate that organic molecules have a natural tendency to clump together in increasingly complex ways under early Earth - like conditions.

Hitherto, in the eyes of a Science too much accustomed to reconstruct the world on one spatial axis extending in a line from the infinitely small to the infinitely great, the larger molecules of organic chemistry, and still more the living cellular composites, have existed without any defined position, like wandering stars, in the general scheme of cosmic elements.

These experiments suggest that real interstellar ice might behave like a liquid, enhancing the formation of organic compounds, including prebiotic molecules.

Complex organic molecules, consisting of carbon bonded with other elements like oxygen and hydrogen, are common in the Milky Way, but it was uncertain whether they would be produced in certain dwarf galaxies like the neighboring Large Magellanic Cloud.

To build their transistor, Jan Hendrik Schn of Bell Laboratories in New Jersey and colleagues, who describe their findings in the current issue of the journal Nature, allowed many thousands of organic molecules to assemble themselves onto a gold film like bristles on a brush.

This liquid - like ice may enhance the formation of organic compounds including prebiotic molecules and the accretion of dust to form planets.

Inspired by Aequoreas green glow, Mark Thompson of the University of Southern California and his colleagues synthesized chromophore - like molecules, which they then seeded onto a matrix of organic molecules in an organic LED (OLED).

Over the last decade, researchers adapted STMs to probe organic molecules and to build simple devices using atoms like Lego blocks.

That radiation could make ice act like a liquid and help organic molecules form in space.

«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.

Using the energy of the sun, they break the water molecules apart and use the hydrogen to create organic compounds like carbohydrates, leaving oxygen behind as a by - product.

The latter focuses on zeolites and metal — organic frameworks: sponge - like materials with regularly repeating holes in their crystal structures that can trap gas molecules and could be used to store methane or carbon dioxide.

University of Utah physicists believe they have solved the problem by creating a new organic molecule that is shaped like rotelle — wagon - wheel pasta — rather than spaghetti.

«When lightning strikes, it acts like a mini smelter, and the organic molecules strip off oxygen from the phosphorus,» Pasek says.

In the crystal developed by UCLA researchers, a metallo - organic framework (top and bottom layers of molecules) surrounds central sphere - like shapes, which can rotate at up to 50 billion rotations per second.

Makoto Fujita and his team from Japan's University of Tokyo created scaffolding - like crystalline structures known as metal - organic frameworks, or MOFs, whose empty spaces can soak up molecules and provide an ordered array that enables the molecules to then be characterized by X-ray analysis.

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.

These organic molecules behave like mounting brackets to which the selective detector molecules can be attached in the next step.

Waka Nakanishi, an organic chemist at the National Institute for Materials Science in Tsukuba, Japan, has designed a nanocar with two sets of «flaps» that are intended to flutter like butterfly wings when the molecule is energized by the STM tip.

Unlike conventional inorganic metals in which electrons zip through a crystalline lattice, in organics electrons must hop from one molecule to another, like pails of water being passed by a bucket brigade.

The pools swelled when rain fell, but when they evaporated, the organic molecules in them became more concentrated, forming films like cell membranes, or joining into longer chains like strands of RNA.

Mostly it refers to organohalogens — compounds like DDT that incorporate halogens such as chlorine or bromine into organic molecules — that are naturally nearly nonexistent in mammals.

After testing many alternatives, the chemists found an organic molecule that clamps down — like Pac - Man — on one of uranium dioxide's oxygen atoms.

«As more and more fragments join up, they build progressively bigger and more carbon - rich, complicated molecules until they are so complex that we don't even try to give them chemical names, just describe them with generic terms like «organic molecules» or «tholins,»» Grundy said.

But the nine solvent cups, sealed with foil, are designed to tease out organic molecules, like amino acids and degraded fatty acids, that would otherwise resist vaporization.

Food gives us nutrients like nitrogen as parts of complex organic molecules, but our digestive system strips them down into the basic mineral form that plants need — so «we have done half of the job,» Jönsson says.

The power and glory of X-ray crystallography were that it was the first technique to show our eyes what the atomic world really looked like — initially for minerals and simple solids; then for small organic substances; eventually for giant molecules, macromolecular assemblies, and even organelles like the ribosome.

This discovery is momentous because dwarf galaxies like the LMC tend to have a lower abundance of the heavy elements that make up complex organic molecules — most importantly, oxygen, carbon, and nitrogen.

In recent weeks, the blogosphere has greeted a radical advance in synthetic organic chemistry with titles like «3 - D Printer for Small Molecules Opens Access to Customized Chemistry» (Phys Org), «Scientists Unveil 3D Printer for Small Molecules» (STGIST), and «This Chemistry 3D Printer Can Synthesize Molecules from Scratch».

Biologists were surprised to discover that the ecosystems found on the ocean floor along these mid-ocean ridges, consisting of complex organisms like tube worms, clams, and crabs, were dependent for their food on thermophilic chemosynthetic bacteria, which produced organic compounds using the oxidation of inorganic molecules as an energy source, instead of sunlight.

«These ALMA observations give us new insights into how organic molecules, the building blocks of life, form and evolve in a planet - like environment,» said Anthony Remijan, an astronomer at the National Radio Astronomy Observatory in Charlottesville, Va., and coauthor on the paper.

Asteroids like Bennu may have seeded the early Earth with organic molecules.

His other topics of research concern the field of supramolecular chemistry, crystal engineering and fabrication of hybrid organic — inorganic functional materials like coordination polymers based on organometallic nodes or open metal — organic frameworks with controllable size and morphology with potential applications in storage and separation of gases and small organic molecules.

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.

Just some basics: When organic molecules (carbon, oxygen, hydrogen and nitrogen) are broken down to release energy and recycled, the hydrogen carrying electrons need to be neutralized; otherwise the entire process is acidified, like sour milk.

By appending a diamine molecule to the sponge - like solid materials known as metal - organic - frameworks (MOFs), the researchers were able to more than triple the CO2 - scrubbing capacity of the MOFs, while significantly reducing parasitic energy.

the always «on» hood acts in eliminating odors and pollutants from organic molecules suspended in the air like cigarette smoke and smells from cleaning supplies.»