Sentences with phrase «controlled chemical reaction»

Its a controlled chemical reaction (explosion) inside a chamber timed to go off with maximum force at a particular time in the crankshaft rotation cycle.

The baker didn't control every chemical reaction, but hey knew a cake would come out.

These are features needed to make a TNA enzyme that, like RNA, could control a chemical reaction.

On the extremely small scale, however, the push and pull of electrons and protons is what controls chemical reactions, including every compound and every process in your body.

This oxyhydroxide coating plays a role to control chemical reactions on the photocatalyst surface.

The algorithm can also be used to explore how external electric fields can catalyze and control chemical reactions.

The technology used to convert ethanol into butanol is called a catalyst — these are chemicals which can speed up and control a chemical reaction and are already widely used in the petrochemical industry.

This selectivity — the ability to control the chemical reaction so that it generates the desired product with little or no side - products — is an important factor in determining the cost and feasibility of industrial - scale reactions, Zhang says.

These are key steps towards creating a TNA enzyme that can control a chemical reaction, just like RNA.

Given that an atom's chemical properties depend upon the behaviour of its outermost electrons, says Stroud, the laser pulse technique could possibly be used to control chemical reactions.

While 3D printing has found applications in many areas, its use as a way to control chemical reactions, or catalysis, is relatively new.

Even though cells are not threatened by hurricanes and earthquakes, the damage induced by heat or radiation is equally devastating: Important proteins that control chemical reactions, transport substances or recognize signal substances, among others, lose their structure and are rendered useless.

IT»S a new way to control a chemical reaction: use a pair of diamonds to put the squeeze on molecules.

But chemists are also able to synthesise artificial nanoreactors to control chemical reactions.

Those instructions can be used for making molecules and controlling the chemical reaction of life.

By removing the material from the complexity of the operating environment the intrinsic kinetic function of the material in controlling chemical reactions can be more clearly assessed.

In a world's first, scientists are able to control a chemical reaction that precisely transforms two atoms into a single molecule.

The hormones produced by the adrenals control chemical reactions over large parts of our bodies, including something you might have heard of called our «fight - or - flight» response.

Specific proteins in the body control the chemical reactions of metabolism, and each chemical reaction is coordinated with other body functions.

Through the use of heat and controlled chemical reactions, the artist manipulates liquid silver nitrate, watercolor, and layers of mylar on glass.

In the past, industrial food producers used acidifiers as preservatives, to determine necessary processing, and to control chemical reactions while chefs mainly used them for their flavor.

Not exact matches

Previously, however, the range of objects was limited to those with sharp edges and little, if any, curvature, and the transformation methods were based primarily on folding or processes that could not be controlled very precisely (e.g. chemical reactions or inflation).

By manipulating chemical reactions, behaviors of cells can be mimicked resulting in chemical factories on the nanoscale controlled and not by physical touch but by magnets and light.

The robots operate by carrying out chemical reactions in special solutions which can then be controlled and programmed by scientists to perform the basic tasks.

The idea could be useful for shunting drops around microfluidic devices, giving greater control over chemical reactions.

An unlikely vessel could shuttle drops of water around microfluidic devices, giving fine control over chemical reactions

And their detailed understanding of the underlying reaction mechanism should enable the LMU researchers to apply this relatively simple way of controlling molecular motions to other types of chemical switches.

«In step toward controlling chemistry, physicists create a new molecule, atom by atom: Study paves the way for creating on, off buttons for chemical reactions.»

Under these highly controlled conditions, the scientists could observe properties of the atoms and molecules that are otherwise hidden from view, and the «physics tools» they used enabled them to hold a sample of atoms and observe chemical reactions one molecule at a time.

The results are of fundamental relevance to understanding the interactions between light and matter and will make it possible to control electron movements and chemical reactions to an extent that was previously not feasible.

So far researchers have used such coherence induced by laser beams to control molecular dissociation and have considered it as the basis for possible control of chemical reactions using photons.

As a result, up to 1,000 spectra per second can be recorded with the MIR laser source, which, for example, enables the automated monitoring and control of chemical reactions and biotechnological processes in real time.

At Osaka University, a team of organic chemists has now developed and enhanced a chemical reaction that allows controlled transformations of one of the toughest chemical bonds.

Experiments conducted in mice and in human ALS cells reveal that when RIPK1 is out of control, it can spark axonal damage by setting off a chemical chain reaction that culminates in stripping the protective myelin off of axons and triggering axonal degeneration — the hallmark of ALS.

The proteins in turn are the workhorses of biology, spurring chemical reactions inside cells and controlling the expression, transcription, and replication of the genes themselves.

Catalytic micro-reactors may provide green chemistry alternatives — less chemical waste, lower cost and minimal energy waste — to conventional, industrial - sized reactors because they make it easier to control the chemical - reaction conditions and operate the reactor closer to optimal conditions.

Catalysts mediate between the reagents in a chemical reaction and control the process leading to the desired end product.

Szostak: Well, chemical reactions are, you know, controlled by the thermodynamics of chemistry by kinetic considerations, but Darwinian evolution is completely different because in our case we are talking about populations with variation and the selection of variants that are more fit, and it's that -LSB-'s] it's repeated and repeated; then better variants come to dominate the population.

The team's previous research predicted that hydrogen atoms move in and around the enzyme's active site, where the chemical reaction takes place, indicating that the hydrogen atoms» positioning controls the reaction type.

And uridine fuels chemical reactions in mitochondria and may boost the cellular communications that control mood and other mental processes.

«This is what will ultimately allow the outcome of chemical reactions to be controlled.

In addition, we demonstrated that this movement can be controlled, and therefore, it is theoretically possible to control the outcome of chemical reactions,» said Tolstikhin, Chief Researcher and Associate Professor of MIPT's Theoretical Physics Section.

Of course, that's a simplification of a very complex chemical reaction — an exquisitely controlled and regulated process, and one that's very important to maintaining the integrity of the genome.»

Different chemicals used for the field include inhibitors for scaling, fouling, corrosion, asphaltene control, formation damage, differential pressures in multiphase environments which will be met by new synthesis methods including metathesis reactions, bio based feedstocks, new polymer surfactants, living polymers, and nanoparticle.

«We're interested in the mechanism of the chemical reaction, with the goal of controlling and steering it in a certain direction with light,» Schmidt said.

Catalysts need to be integrated into systems spanning a wide range of sizes, shapes, and material compositions, and control a variety of chemical reactions under vastly different conditions.

«What we have done differently is to create more control over it (chemical reaction)... The whole process is happening in an ultra-high vacuum with very low density,» Ni says in the paper published in Science.

«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.

Fat is necessary for the production and storage of energy, supporting cell growth and regeneration, protecting and insulating organs, producing hormones, and starting the chemical reactions that control growth, reproduction, basic metabolism, and immune function.

«This is under very tight biological control because all of the chemical reactions that maintain life depend on it.