Many organic molecules undergo structural changes as a result of catalytic reactions with acid or base. |
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Large, good-quality crystals are valued by structural biologists, but some organic molecules are easier to crystallize than others are. |
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The mix was heated up and given an electrical charge and simple organic molecules were formed. |
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It is specifically designed to measure volatiles, such as water and organic molecules, in the northern polar region of Mars. |
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But orgies of organic molecules are not life, just as flour, water, yeast, and salt are not bread. |
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During photosynthesis, plants reduce carbon from carbon dioxide to form organic molecules. |
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Some organic molecules may carry a positive and a negative charge on different parts of the molecule and are known as zwitterions. |
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To produce bone, nature uses organic molecules to organize inorganic components that become mineralized through additional chemical reactions. |
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They are claimed to be the most primitive objects in the solar system, and the most likely to have organic molecules. |
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Swift advances in basic medical knowledge related to genetics and organic molecules have spurred growth in the field of biotechnology. |
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Another category of chemical treatment is one that breaks down certain types of toxic organic molecules into simpler, harmless materials. |
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Vitamins are organic molecules that play a vital part in the body's growth and function. |
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They rely on the ability of natural processes to degrade organic molecules. |
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A crucial portion of the soil phosphorus is bound into organic molecules, both in the dead material and in the living fraction of the soil. |
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The process of anaerobic digestion involves breaking the organic molecules to transform them into carbon dioxide and methane. |
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The second core, to be kept to 100 m in length, will be analyzed for organic molecules. |
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Primitive organic molecules have been found in the Tagish Lake meteorite, identifiable in part because it has not been contaminated by handling. |
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Few organisms can remain for long periods at temperatures above 45 °C, because organic molecules such as proteins will begin to denature. |
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These compounds link to other organic molecules, the proteins, and constitute ramified compounds known as mucoproteins or proteoglycans. |
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Amino acids are organic molecules which form proteins, one of the basic components of food and feed. |
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One of the things astrobiologists are interested in is trying to understand the formation of organic molecules in space, in interstellar clouds and meteorites. |
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Proteins consist of amino acids which are a class of organic molecules that contain amino and carboxyl groups. |
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Another interesting thing is that Enceladus' geyser contains organic molecules, the key ingredients of life as we know it. |
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Their organic molecules originate in interstellar space as coatings on dust. |
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This discovery was considered extremely important, as methylene is one of the elementary organic molecules. |
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The early ocean and lakes themselves may have been a dilute solution of organic molecules. |
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Some of the carbon is given off as carbon dioxide gas, but much of it remains locked up in organic molecules that help sustain the rest of the food web. |
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We also offer high grades of deuterated solvents for NMR, the most important method in the structural analysis of organic molecules. |
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Reverse osmosis systems are dense membranes that remove almost all inorganic contaminants and all but the smallest organic molecules. |
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Solutions, such as the use of organic molecules and polymers and new coating production processes, are currently being studied. |
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The second group, usually soluble proteins, accepts as substrates small organic molecules, such as flavonoids, steroids, and xenobiotics with diverse chemical structures. |
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Many organic molecules and polymers have been observed to lase in the visible spectrum from the red to the blue, but success has been elusive at the deep blue wavelengths. |
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The role of fermentative microbes is mainly in the partial breakdown of organic molecules that then serve as nutrients for the sulfate reducers and the methanogens. |
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Proteins are giant organic molecules that consist of complex-structured, folded chains of thousands of atoms. |
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Once it lands, the mission is designed to last for three months, during which time it will look for and measure volatiles, such as water and organic molecules. |
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In contrast, many of us are familiar with the pleasant smell of a good whisky or brandy, which also results from the volatilization of certain organic molecules. |
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Air flowing into your nose carries with it a swarm of complex organic molecules that get trapped in the mucus-rich lining of the nose's inner recesses. |
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Interactions of organic molecules such as dihydropyridines, ubiquinone, tryptophan, and halothane with lipid bilayers have been studied through molecular dynamics simulations. |
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Many organic molecules form crystals where the molecules are bound by van der Waals forces. |
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In some aspects, the organic molecules are a step backward compared to conventional materials. |
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Complex organic molecules just randomly present in the stuff our solar system was made from? |
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Instead, left to themselves, organic molecules become something more like tar or asphalt, said Prof Benner. |
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A class of organic molecules containing amino and carboxylic groups, forming the chief constituents of proteins found in a plant or a plant material, an alga, a bacterium, a fungus, or a non-human animal material. |
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Water is a good polar solvent, that dissolves many salts and hydrophilic organic molecules such as sugars and simple alcohols such as ethanol. |
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Cationic organic molecules, such as certain aliphatic and aromatic amines, pyridines, and methylene blue, may replace inorganic exchangeable cations present in the interlayer of expansible minerals. |
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Yet, the process or processes by which non-living organic molecules turn into life are still unknown to science. |
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Inside their body is a large organ filled with bacteria which use the hydrogen sulfide from the vent fluid to synthesize nutritious organic molecules which are taken up directly in the blood of the worm. |
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Reverse Osmosis is a technology that uses a semi-permeable membrane to remove dissolved salts or organic molecules. |
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By Ruba Shawwa Vitamins are organic molecules in food that are needed in small amounts for growth, reproduction and maintenance of good health. |
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Resonance fluorescence is generally observed for monatomic gases and for many organic molecules, in particular aromatic systems that absorb in the visible and near-ultraviolet regions. |
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Algae that rely on ingestion and oxidation of organic molecules are referred to as heterotrophic algae because they depend on the organic materials produced by other organisms. |
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Paints and dyes for outdoor advertising contain strongly fluorescing organic molecules such as fluorescein, eosin, rhodamine, and stilbene derivatives. |
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Tens of thousands of comets, as well as some thousands of asteroids and asteroidal fragments revolving about the Sun between the orbits of Mars and Jupiter, contain organic molecules. |
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Chauvin's work centred on metathesis, in which catalysts create and break double carbon bonds of organic molecules in a way that causes different groups of atoms in the molecules to change places with one another. |
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As with many organic molecules, there are possibilities for conformational isomerism due to internal hydrogen bonding within the molecule. |
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Of the major groups of saprotrophs, fungi are among the most efficient at decomposing complex organic molecules and recycling those nutrients back into the ecosystem. |
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Both carbon-carbon and carbon-hydrogen sigma bonds are single strong, nonpolar covalent bonds that are normally the least reactive bonds in organic molecules. |
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All of these fluids are dominated by water but also contain dissolved ions and organic molecules, especially methane. |
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Reliable quantification of the various organic molecules outgassed by photoresists has been a challenging goal. |
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One thing we know for sure is that specific organic molecules led to the creation of the first cells and eventually-about 1 billion 200 million years ago-to the creation of the first multicellular organisms. |
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Nearly all organic molecules absorb infrared and ultraviolet light. |
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When impacting the early Earth at a sustained rate, comets could have brought many constituants: part of the oceans' water, but also complex organic molecules, whose presence in comets is attested by ethylene glycol. |
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Surfactants are organic molecules that enter into the composition of hundreds of products used as cleaning agents for both domestic and industrial purposes. |
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Chlorine dioxide attacks the electron-rich centers of organic molecules. |
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They contain a few percent carbon in very fine-grained carbonates, carbides, graphite, diamonds, and primitive organic molecules, detectable mainly by isotopic analyses. |
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André Hamer Postgraduate Prize for Doctoral Students, says CO2 is an ideal feedstock for synthesizing organic molecules because it is economical, non-toxic and highly abundant. |
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What sort of organic molecules exist beyond our solar system? |
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Compression fossils, such as those of fossil ferns, are the result of chemical reduction of the complex organic molecules composing the organism's tissues. |
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This interesting work shows that exactly the right purified solution of linear organic molecules can cyclize under the right conditions to present activated nucleotides. |
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The basis for this teeming life is chemosynthesis, a process by which microbes convert such substances as hydrogen sulfide or ammonia into organic molecules. |
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