Sentences with phrase «driving chemical reactions»

But, the computer only generates sequences for brand new protein recipes; the molecules then need to be folded into a three - dimensional structure to function, whether it's helping cells recognize chemicals, driving chemical reactions or the myriad other functions that proteins perform in the natural world.

The strain changed the film's electronic structure without altering its chemical composition, creating a catalyst better at driving chemical reactions.

LA's smog is caused by sunlight driving chemical reactions between oxygen, nitrogen compounds and hydrocarbons in the lower atmosphere.

Needed for building and maintaining bones and teeth; also found in the molecule ATP (adenosine triphosphate), which provides energy that drives chemical reactions in cells.

If enzymes are genetically introduced into cyanobacteria, thanks to their catalytic function they will drive the chemical reaction, thus rendering the expensive reducing equivalent superfluous.

The idea is, you have your active molecules on the surface, and you excite electrons down in the solid with ultraviolet light so that they rise up to the surface molecules to drive chemical reactions.

This bacterium can breathe either oxygen or uranium to drive the chemical reactions that provide life - giving energy.

Halas, Rice's Stanley C. Moore Professor of Electrical and Computer Engineering and professor of chemistry, bioengineering, physics and astronomy, and materials science and nanoengineering, said hot electrons are particularly interesting for solar - energy applications because they can be used to create devices that produce direct current or to drive chemical reactions on otherwise inert metal surfaces.

Though this program was very accurate in describing the shape of large molecules, it was blind to the quantum mechanisms that drive chemical reactions.

For decades, scientists have been working to harness the energy from sunlight to drive chemical reactions to form fuels such as hydrogen, which provide a way to store solar energy for future use.

While they're essential to manufacturing everything from the case around your cell phone to the gas in your car, catalysts — molecules that drive chemical reactions but aren't consumed by them — are not always well understood.

«As climate changes and the planet gets warmer, that drives the chemical reactions that create pollutants like ozone and fine particulate matter in the atmosphere,» said lead researcher Jason West.

«In the past 20 years, chemists have developed a technique called quantum control, where shaped laser pulses are used to drive chemical reactions — that is, to drive them between two quantum states.

Essentially that means they drive chemical reactions.

You need water to drive every chemical reaction in your body — and that's a lot of reactions!

The high temperatures are required to drive the chemical reactions to split the H2O and CO2 into the mixture of hydrogen and carbon monoxide, with a separate stream of pure oxygen by - product,» Furler explained.

Concentrated solar radiation serves thereby as clean high - temperature process heat to drive the chemical reactions.

Using sunlight to drive chemical reactions, such as artificial photosynthesis, could soon become much more efficient thanks to nanomaterials.

Not exact matches

But if the water was produced by chemical reactions driven by the solar wind, it is much more recent.

One of the greatest breakthroughs in twentieth century biology was the finding that RNA can serve as a catalyst and drive some of life's essential chemical reactions.

For its food, the artificial pump draws power from chemical reactions, driving molecules step - by - step from a low - energy state to a high - energy state — far away from equilibrium.

Their mercurial movements can be over in just attoseconds — billionths of a billionth of a second — yet they drive our electronic devices, every chemical reaction in nature and every thought in our heads.

«The main sticking point, however, is the catalyst — a compound needed to drive the reaction because CO2 is usually a very inert or unreactive chemical.»

Catalysts that drive the oxygen reduction reaction that lets fuel cells turn chemical energy into electricity are usually made of platinum, which stands up to the acidic nature of the cell's charge - carrying electrolyte.

In addition to its common use in vehicle catalytic converters, rhodium is also used in combination with other metals to efficiently drive a wide range of useful chemical reactions.

In particular, they have looked at the pre-treatment stage, focusing on steam explosion, which involves «pressure - cooking» the biomass, to drive a number of chemical reactions.

We demonstrate that the electron beam, simultaneously acting as an imaging probe and a source of energy to drive chemical transformations, offers a new tool for studying the chemical reactions of individual molecules with atomic resolution, which is vital for the discovery of new reaction mechanisms and more efficient future synthesis.»

It could help answer some of the most fundamental and challenging questions of chemical science; such as how molecules react with each other at the atomistic level; what drives formation of one product instead of another; as well as aid the discovery of brand new chemical reactions.

The researchers engineered a strain in which a Synechococcus gene normally turned on during photosynthesis signals its activity by switching on the gene for luciferase, an enzyme from another bacterium that drives a light - emitting chemical reaction.

There, the chemicals are being liberated from the surfaces of ice grains where they were forged by light - driven reactions, he notes.

This strong «selectivity» of the light - driven catalysis may also extend to other important chemical reactions, the researchers say.

This change drives a series of chemical reactions, triggering the breakdown of the various «cellulose» based materials that are present in these complex wastes.

Likewise, the production and destruction of oxygen, ozone, and methane is driven by chemical reactions powered by light, making the type of star important to consider as well.

They would freeze there instantly, he surmised, creating another kind of environment in which chemical reactions, driven by starlight, could take place.

Titan's methane cycle is probably not biologically driven, but studying chemical reactions there could provide clues to the processes that led to life on Earth billions of years ago.

A detonation sweeps through an explosive as a supersonic shock wave driven by the energy - releasing chemical reactions the wave induces.

These reactions play a huge role in the catalysis - driven creation of common chemical platforms such as methanol, which is produced on the order of 10 million tons per year as raw material for chemicals production and for uses like fuel.

«Ultimately, though, we need to discover new semiconductors that can more efficiently absorb light and help drive the reactions that allow us to store energy from the sun in chemical bonds.»

A bimorph is an assembly of two materials — in this case, graphene and glass — that bends when driven by a stimulus like heat, a chemical reaction or an applied voltage.

The sun can also drive reactions to create chemical fuels, such as hydrogen, that can in turn power cars, trucks and trains.

In addition to its role in the immune system, zinc also reduces oxidative stress, plays a structural role by stabilizing proteins, regulates the expression of many genes, and drives hundreds of chemical reactions in the body.

This technology works similarly to a normal battery, except the chemical reactions that drive it are designed to absorb or release large quantities of heat with each charge and discharge cycle.

Fossil Fuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaged.

Instead of burning a fossil fuel for the heat needed to drive the thermal chemistry process, for chemical reactions like splitting H2 (hydrogen) from H2O, scientists have been testing various kinds of reactors heated by the thermal form of solar, using mirrors to concentrate the solar flux.

Heat drives many chemical reactions.