Sentences with phrase «produced in chemical reactions»

Not exact matches

On a scientific level, she would have known well enough that as she looked at her baby, a whole bunch of neurons firing on overdrive in her brain would be producing a set of chemical reactions and hormones, and that those would be contributing to the emotional urge to protect and care for her newborn son with every ounce of her being.

I know that it is nothing more than a chemical reaction in the brain to stimuli designed to produce a susceptibility to religious experience.

If you don't mind a green loaf (chlorophyl in the sunflower seeds creates a chemical reaction with the baking soda to produce naturally GREEN baked goods.)

This is because the acid in the recipe curdles the protein in the soy milk and produces butter flavors (probably diacetyl, among others) as part of a chemical reaction.

Chemical reaction occurs when the sufficient energy brought to the molecules and this will produce the collisions that results in breakage and formation of bond in the food molecules.

When you're in a stressful or dangerous situation, your body responds by producing hormones and chemicals as part of the «fight - or - flight» reaction (so named because that's exactly what the body is preparing itself to do — to either fight off the danger or run from it).

In fact, some women never undergo the right chemical reactions to begin producing breast milk.

After all, milk is only produced because of chemical reactions in the body.

Further calculations by Catling and his team conclude that no abiotic methane sources on a rocky planet could produce enough of the gas to counteract this process — whether it is volcanic outgassing from a planet's interior, chemical reactions in hydrothermal vents, even asteroid impacts.

Methane, for example, is the second strongest contributor to climate warming after CO2 and is also an ozone precursor: chemical reactions in the atmosphere involving methane produce ozone, a pollutant that presents significant health risks.

The transfer of electrons during a chemical reaction in lead - acid car batteries produces a potential of more than 2 volts.

The fact that a rather benign mechanical mechanism such as a propagating sound field can produce atomic reactions is a quite remarkable and has attracted considerable scientific attention (see «The Chemical Effects of Ultrasound,» by Kenneth S. Suslick in Scientific American, Vol.

Whereas molecular gastronomy uses scientific techniques to induce weird and wonderful chemical transformations in traditional ingredients, note - by - note cooking goes a step further: it uses chemical reactions to produce meals from chemical compounds and cooking alone.

When the team brought the nanocrystals close to an alkaline phosphate - catalyzed reaction, they saw the violet emissions diminish in direct proportion to a chemical indicator produced by the enzyme.

The foundation for the technology is in the chemical reaction between aluminum powder and water to produce hydrogen.

The researchers don't yet know the exact chemical reactions that produce the free radicals, but the work «quite solidly establishes a new role for reactive oxygen in development,» says ageing researcher Karl - Heinz Krause of the University of Geneva in Switzerland.

Sometimes, the energy from solar storms can trigger a chemical reaction that produces a compound called nitric oxide in the upper atmosphere.

The team found that with the right combination of metals, voltage, and temperature, STEP's coulombic efficiency (a classic measure of chemical yield used to determine how efficiently the product is made) hovered around 95 %, meaning that in STEP's case, 95 % of the current worked toward producing the carbon nanofibers, and only 5 % powered other side reactions.

One of the most ubiquitous is the «octet rule,» which states that each atom in a molecule that is produced by a chemical reaction will have eight outer orbiting electrons.

Researchers at Oregon State University have discovered novel compounds produced by certain types of chemical reactions — such as those found in vehicle exhaust or grilling meat — that are hundreds of times more mutagenic than their parent compounds which are known carcinogens.

Wang's research group designed a five - metal catalyst based on these high - entropy - alloy nanoparticles and demonstrated superior catalytic performance for selective oxidation of ammonia to nitrogen oxide, a reaction used by the chemical industry to produce nitric acid, an important chemical in the large - scale production of fertilizers and other products.

When susceptible people come into contact with flakes of cat skin called dander, T cells in their immune systems set off a chemical chain reaction that produces the familiar symptoms of allergy, including sneezing, runny noses, itching and asthma.

There has been no reported chemical reaction so far that has produced existing components of RNA under commonplace circumstances that spontaneously form Crick - Watson pairs in water.

In Zatko's case, she says the support did produce a finding that could benefit society at large: She concluded that chemical reactions in snow were making only a minimal contribution to the region's ozone pollution, compared with emissions coming from natural gas drillinIn Zatko's case, she says the support did produce a finding that could benefit society at large: She concluded that chemical reactions in snow were making only a minimal contribution to the region's ozone pollution, compared with emissions coming from natural gas drillinin snow were making only a minimal contribution to the region's ozone pollution, compared with emissions coming from natural gas drilling.

Naturally made in grapes as a reaction to environmental stress (drought, for instance), resveratrol is one of several related chemicals, called polyphenols, that plants produce.

Martin Lercher of the University of Bath in England and his colleagues studied a benign strain of Escherichia coli to see how the common intestine dweller picked up new parts for its metabolic network — the internal system of chemical reactions that produce the necessities of life, such as amino acids or cellular structures.

«The research group focused on three or four different catalytic reactions used in high production volume chemicals, including this one for producing a precursor to nylon, which as an industry has enormous applications,» said Slowing, who is also an adjunct assistant professor of chemistry at Iowa State University.

While the chemical reaction that the bacteria perform on uranium is a common process known as «reduction,» or the act of accepting electrons, Kerkhof said it's still a mystery how the reduced uranium produced by this microorganism ultimately behaves in the subsurface environment.

While the methane in the Von Damm vent system they studied was produced through chemical reactions (abiotically), it was produced on geologic time scales deep beneath the seafloor and independent of the venting process.

He describes LUCA as half - living, because it may have depended on abiotic reactions in the vents to produce many of the chemicals it needed.

The light or «autoflorescence» produced changes according to the chemical reactions or metabolism going on in the cell.

Chemical engineers have figured out how to synthesize many of these molecules in bulk, but the intricate reactions require expensive materials and often produce poisonous byproducts.

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.

These vents (also know as black smokers) expel minerals dissolved by water which bacteria use to in chemical reactions to produce energy and support ecosystems involving larger multi-cellular lifeforms that feed off of of the massive and fast - growing bacterial populations.

For example, the oxygen in Earth's atmosphere comes from living things, but oxygen can also be produced by inorganic chemical reactions.

Secondary organic aerosols, or SOAs, are created when hydrocarbon gases, given off by everything from pine trees to snow blowers, undergo a series of chemical reactions in the atmosphere to produce particles.

Because laboratory chemical reactions are not usually conducted in chiral environments, they will produce 1:1 (racemic) mixtures of enantiomers.

Tiny ocean microbes produce half of the oxygen we breathe, and they are important drivers in chemical reactions and energy transfers that fuel critical ecological processes.

But in a matter of mere weeks, chemical reactions had produced thirteen of the amino acids necessary for life, showing that these building blocks of proteins could be spawned from the simplest chemicals.

Researchers have developed a 3D printing process that creates a chemically active catalytic object in a single step, opening the door to more efficient ways to produce catalysts for complex chemical reactions in a wide scope of industries.

Hypothyroidism, or an underactive thyroid gland is a condition in which the thyroid gland doesn't produce enough of certain hormones that are vital for maintaining the balance of chemical reactions in the body and its healthy functioning.

That said, there is more and more research coming out each day about how chemical reactions in the gut produce signaling chemicals that effect how our brains work, like seratonin.

Enzymes are protein molecules that make it easier for chemical reactions to take place in the body, including chemical reactions that produce energy.

Once oxygen has been delivered to your muscle cells it is used in the cellular respiration chemical reaction to produce ATP energy.

The immune system sends out an increasing amount of antibodies to fight these foreign substances and in doing that toxic chemicals are produced which attack the body tissues causing allergic reactions and pain and inflammation throughout the body.

When your thyroid doesn't produce enough hormones, the balance of chemical reactions in your body can be upset.

Oxidation is a natural chemical reaction in the body which produces free radicals that damage cells, increasing the risk for chronic diseases such as cardiovascular disease, stroke, Parkinson's disease, Alzheimer's disease, and arthritis.

When fatty acids are free from fat cells and ready to be taken up for the chemical reactions to produce energy, the percent of fat used goes way up in comparison to fatty acids sitting safe in fat cells (especially when through the specific dieting and lactic acid resistance training a body is forced to mix fat with amino acids rather than carbohydrates).

Hydrogenated fats are, by definition, a poison, as even in a small amount they will induce a chemical reaction that may cause damage to structure or disturbance of function, producing symptomatology, illness, or death.

The metabolism, or chemical reactions, of the body's cells allow these cells to produce energy (in the form of a molecule known as ATP).