Sentences with phrase «organic compounds using»

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.

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.»

They focused on reactions that create alkoxysilanes — a common ingredient in ceramics and in organic compounds used in agriculture and pharmaceuticals.

New volatile organic compounds used in construction and industry have now been recognised, along with other agents, such as sulphites, chlorates, isocyanates and many other chemicals already known to be potentially toxic, as causes of chronic asthma.

Some sort of steroid is an organic compound used by bodybuilders, athletes as well as weight - lifters as a means to increase themselves mass and amplify their own muscle growth.

The Paris - based artist's series of works with polythene (a chemical and organic compound used for everyday plastic packaging and containers) is set alongside the US - born Cruces» meshen image - objects and vacuum - sealed still lifes.

Not exact matches

Toxic use reduction and sourcing replacements for ozone depleting solvents, volatile organic compounds, flammable solvents, hazardous air pollutants and achieving waste minimization

Soy oil is generally separated from flaked soybeans — leaving defatted meal that's ground into flour — using a chemical called hexane, one of the volatile organic compounds that constitutes natural gas, crude oil and gasoline.

Can botanical compounds, such as essential oils, be used to clean organic products or organic product contact surfaces?

Botanical compounds such as essential oils may be used to clean organic product contact surfaces in accordance with 32.310 8.2.3, or if used as wetting agents (see 32.311 Table 7.4 Wetting agents).

(366) Botanical compounds such as essential oils can not be used to clean organic products because they are not listed in 32.311 Table 7.3.

This environmentally responsible program improves clients» carbon footprints by reducing chemical use, volatile organic compounds, packaging waste and transportation emissions.

By using products bearing the GREENGUARD Children & SchoolsSM or GREENGUARD Gold Certification mark, parents, teachers and school officials can rest easy knowing these products have been independently tested and verified to meet strict emission levels of pollutants, such as volatile organic compounds (VOCs), formaldehyde and phthalates.

We also prefer cribs that are third - party certified to be low emission (that is, the stains or paints used to finish the crib don't emit any volatile organic compounds.)

These mixtures have recently emerged as a greener alternative to many of the liquids that are often used to absorb volatile organic compounds.

In the 5 June issue of the Journal of the American Chemical Society, a team reports that it has carried out a battery of common organic chemistry reactions using solid compounds, without first dissolving them in the usual solvents.

Harmful gaseous pollutants in the form of volatile organic compounds are often released into the air when chemicals are used, for example in cleaning products.

Many methods have already been developed to clean contaminated air, for instance, liquid mixtures that can absorb and trap volatile organic compounds are often used.

According to the researchers, treating the graywater using biofiltration to degrade the hydrophobic organic compounds will eliminate the problem.

The team traced the molecules found in these air samples to their original sources using databases that show the specific volatile organic compounds released by specific products.

On examination, the ozone proved to be largely interacting with one of the primary components of skin oils, the natural organic compound known as squalene, which is used as an adjuvant and moisturizer.

Unlike the electrodes used in lithium - ion batteries, these organic compounds don't rely on intercalation — the process of continuously integrating ions into their molecular matrix, which slows down as the temperature drops.

The WSU and Chinese team developed a new kind of air filtering material that uses natural, purified soy protein and bacterial cellulose — an organic compound produced by bacteria.

Substitution of a purely organic powder, such as one of the organic peroxide compounds already used by terrorists, would avoid the projection of such a distinctive image.

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.

When converting carbon dioxide from the atmosphere into a sugar, plants use an organic catalyst called an enzyme; the researchers used a metal compound called tungsten diselenide, which they fashioned into nanosized flakes to maximize the surface area and to expose its reactive edges.

They found that organic compounds, called amino nitriles, the molecular precursors to amino acids, were able to use molecules present in interstellar ice to trigger the formation of the backbone molecule, 2 - deoxy - D - ribose, of DNA.

Cyanobacteria, which still exist in a similar form today, probably started using energy from sunlight to photosynthesize some of the carbon dioxide in the atmosphere into organic compounds.

In the laboratory, researchers extracted organic compounds from the pre-Harvey dust and post-Harvey soil samples and analyzed them using gas chromatography.

Recently, scientists have begun exploring the use of zirconium - based metal - organic framework (MOF) powders to degrade and destroy these harmful compounds.

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.

He predicts there will soon be an «explosion» of devices using organic compounds as sensors because they are cheap and easy to make, and much of the basic science about how these compounds react is already known.

Using hydrothermal liquefaction, organic matter such as human waste can be broken down to simpler chemical compounds.

They also correlated the amount of energy found in the sample to its chemical oxygen demand (COD), a commonly used indirect measurement of dissolved organic compounds.

«Being in the Mix Lab (special labs that have researchers from different disciplines mixed together) at ITbM, I was able to talk to an organic chemist, Masakazu Nambo, who suggested the use of triarylmethane compounds for cell division inhibition in plant cells,» she continues.

The team made crystals composed of an organic compound, called azobenzene, commonly used in dye manufacturing, and oleic acid, commonly found in cooking oil.

Now, using this new technique — which combines optical microscopy with the use of particular organic compounds that make the energy of excitons visible — «we can directly say what kind of behavior the excitons were moving around with.»

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.

The Notre Dame researchers, on the other hand, used organic compounds — acetylene and ethylene — to attempt to extend the range of the cells.

As organic chemists developed ways to use «combinatorial approaches» — the ability to synthesize vast libraries of compounds — CADD was declared redundant.

Since 2006, he has worked with NOAA's air sampling system that uses glass flasks to collect atmospheric samples from 44 different sites around the world to track the annual increase of ethane and other so - called volatile organic compounds in the air.

Researchers from UC Davis and the California Institute of Technology conducted a series of experiments in a 24 cubic meter environmental chamber using the volatile organic compound toluene, which is emitted from motor vehicles and is an important SOA precursor.

Some autotrophic bacteria are used by EcoVerde (including Theobacilus) to remove hydrogen sulfide and methane; heterotrophic bacteria remove VOCs (volatile organic compounds).

Justin Johnson, also a senior scientist at NREL, said the process is similar to MEG, except that it uses organic molecules — compounds made from carbon — instead of semiconductors.

Compared with the enormous arsenal of catalysts used to produce organic compounds, complementary species that are able to mediate sophisticated organometallic transformations are virtually nonexistent.

The findings also call into question other suggestions for using titanium dioxide for environmental remediation — for example, to remove odor - causing organic compounds from emissions produced by confined livestock feeding operations.

Chemists at The University of Texas at Arlington have devised a safer, more environmentally friendly, less expensive and more efficient water - based system for the synthesis of organic compounds typically used in pharmaceuticals, agrochemicals, cosmetics, plastics, textiles and household chemicals.

Chemists often use nucleophilic additions in organic synthesis to turn molecules with double bonds into more functionalised compounds.

Metals are not commonly used in drug design because of concerns about toxicity and specific targeting as compared to organic compounds.

Instead of working with biological molecules, these researchers are demonstrating how to use the combinatorial technique to screen thousands of both organic and inorganic compounds at a time.