Sentences with phrase «organic molecules with»

Also, in space beyond our solar system, there have been found organic molecules with bonds of carbon and oxygen which make up amino acids.

The roadmap outlines future research directions toward the goal of enhancing human radioresistance, including upregulation of endogenous repair and radioprotective mechanisms, possible leeways into gene therapy in order to enhance radioresistance via the translation of exogenous and engineered DNA repair and radioprotective mechanisms, the substitution of organic molecules with fortified isoforms, the coordination of regenerative and ablative technologies, and methods of slowing metabolic activity while preserving cognitive function.

In a recent study published in the scientific journal Nature Nanotechnology, physicists and chemists of the University of Münster (Germany) describe an experimental approach to visualising structures of organic molecules with exceptional resolution.

These processes, however, are designed to remove larger organic molecules with lower solubility, thus removal of very small molecules with high solubility is difficult.

It does have similarities in that it is an organic molecule with the carbon - chlorine bonds.

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

I am not one of those and therefore, I can not form molecules which may become organic, and which may eventually — with added energy from solar rays on a planet which is capable of supporting it — evolve» endless form most beautiful and most wonderful.»

First the vitalization of matter, associated with the grouping of molecules; then the hominization of Life, associated with a super-grouping of cells; and finally the planetization of Mankind, associated with a closed grouping of people: Mankind, born on this planet and spread over its entire surface, coming gradually to form around its earthly matrix a single, major organic unity, enclosed upon itself; a single, hyper - complex, hyper - centrated, hyperconscious arch-molecule, co-extensive with the heavenly body on which it was born.

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.

Attaching only a single layer of a 25 - atom organic molecule to the surface of a laser, frequency combs were demonstrated with 1000x reduction in power.

He worked on the organic synthesis of molecules able to recognize and bind with other, smaller molecules, a phenomenon called molecular recognition, which had won Donald J. Cram, Jean - Marie Lehn, and Charles J. Pedersen the Nobel Prize in chemistry in 1987.

Fluorine, the most electronegative atom, interacts strongly with charged soluble organic molecules.

By replacing these materials with carbon - based or organic molecules, the research team led by post-doctoral pursued a fundamentally different approach.

They linked the subunits with clusters of zinc acetate to create a scaffold riddled with wide channels, then soaked the crystals in various large organic molecules to test their sponginess and ability to sort by size.

Seeking such a strategy, researchers at Northwestern University in Evanston, Illinois, created an organic ring - shaped molecule with four metal atoms: two zincs and two rhodiums.

With ALMA, an international team lead by Yoko Oya, a graduate student of Department of Physics, The University of Tokyo, and Nami Sakai, an associate chief scientist of RIKEN, studied the distribution of various organic molecules around a Solar - type protostar IRAS 16293 - 2422A at a high spatial resolution.

The researchers focused on a hybrid membrane that is part polymer and part metal - organic framework, which is a porous three - dimensional crystal with a large internal surface area that can absorb enormous quantities of molecules.

The new observations suggest water ice, mixed with organic molecules, is «widespread on the surface of the asteroid», Humberto Campins of the University of Central Florida in Orlando reported at a meeting of the American Astronomical Society's Division of Planetary Sciences in Fajardo, Puerto Rico, last week.

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.

This latest study looked at how the soft element arsenic interacts with thorium, because arsenic could in principle be used in organic molecules that bond to metal atoms and improve extraction processes.

They began by coating one AFM tip with an ink consisting of 16 - mercaptohexadecanoic acid (MHA), an organic molecule capped with a water - attracting carboxylic acid group.

So far, Steele has found no hint of martian biology — just trace amounts of organic molecules associated with volcanic processes.

On reaching the surface, methane can react with other organic molecules to form complex chemistry.

It started with a fairly fundamental study of polymers, the long chains that certain organic molecules form.

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.»

To construct the solar cell, the semiconductor molecules are deposited as thin films on glass with the same production methods used by organic light - emitting diode manufacturers.

Recently Berkeley Lab scientists used this method to calculate the absorption spectrum and confirm what several experimental results have been hinting — that the element berkelium breaks form with its heavy element peers by taking on an extra positive charge when bound to a synthetic organic molecule.

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.

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.

In just two years of work with the Robert C. Byrd Green Bank Telescope, astronomers have discovered eight new organic molecules near the center of the Milky Way, bolstering theories that key chemical precursors of life were first forged in deep space.

As an organic molecule, the researchers used an azo dye that consists of two carbon rings with attached functional groups that are polar, i.e. slightly positively or negatively charged.

The existence of microbial life on Mars remains highly controversial, but recent evidence of water, complex organic molecules, and methane in the Martian environment, combined with findings from the 1976 Viking mission, have led to the conclusion that existing life on Mars is a possibility that must be considered, as presented in an article in Astrobiology.

As they scattered, they may have showered Earth with water and organic molecules.

MOFs are three - dimensional, coordination networks comprising metal ions and organic molecules and usually are crystalline, porous materials with many applications including storage of gases such as hydrogen and carbon dioxide.

One then «reconstructs» the molecule by examining the interaction of the orbitals of the ligand, typically an organic molecule, with the orbitals of the MLn, fragment.

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.

A three - dimensional metal — organic framework with interpenetrating bridging ligands and guest molecules denoted as large balls (color codes: cadmium, dark magenta; chlorine, green; oxygen, red; nitrogen, blue; carbon, black).

During Curiosity's first «meals» of Martian soil, baked inside the robot's ovens, carbon and hydrogen were found to have reacted with chlorine, creating organic molecules.

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.

«We utilize organic compounds with so - called conjugated double - bond systems, which allow the electrons to circulate freely within the molecule,» Langhals explains.

«The only thing an organic chemist usually gets to do with a plant is grind it up, find some sort of interesting molecule in there, and then try to make it.

Meyer, a chemist at University of North Carolina at Chapel Hill and director of its Energy Frontier Research Center in Solar Fuels, noticed that two separate groups of researchers working on two separate parts of the photosynthetic reaction happened to be using the same class of catalyst — ones with an atom of the metal ruthenium surrounded by organic molecules.

Most drugs on the market today are small molecules, active organic compounds with a structure and weight so minute that they can be ingested and pass more easily through cell membranes.

Among biogenic volatile organic molecules is a class of compounds called monoterpenes, which react with ozone, hydroxyl radicals, nitrogen oxides, and other gases in the atmosphere.

It is possible that this handedness is produced by the interaction of ultraviolet radiation with icebound organic molecules in a vacuum.

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

Water then interacted with impact - heated rock to enable synthesis of complex organic molecules, and the enclosed crater itself was a microhabitat within which life could flourish.

«Despite their small size, these interplanetary dust particles may have provided higher quantities and a steadier supply of extraterrestrial organic material to early Earth,» said Michael Callahan of NASA's Goddard Space Flight Center in Greenbelt, Md. «Unfortunately, there have been limited studies examining their organic composition, especially with regards to biologically relevant molecules that may have been important for the origin of life, due to the miniscule size of these samples.»

Titan's chemistry, replete with organic molecules, may be a facsimile of the early Earth's, but stuck in a deep freeze.