Sentences with phrase «chemical compounds into»

Many geoengineering techniques are focused on ways of reducing the sun's rays by blocking them spraying chemical compounds into the atmosphere to reflect sunlight away from earth.

A second printer painted chemical compounds into the shell, which was sealed by the first printer.

Not exact matches

It is a family of compounds comprised of more than 100 chemicals, according to the Agency for Toxic Substances and Disease Registry, and many are released into the atmosphere by forest fires, volcano eruptions and automobile emissions.

Plutonium and uranium are converted into chemical compounds called oxides, and mixed together in fuel rods for civilian nuclear power plants.

This releases a chemical called a polyphenol oxidase, an enzyme that pulls oxygen from the air and uses it to create compounds called o - quinones, which then link up into long chains (which may include proteins, too) that turn the apple's flesh brown.

Sasol has spent years planning to expand its chemical factory outside Lake Charles, La., into a sprawling facility to turn natural gas into industrial compounds and diesel fuel.

Just because someone said some magic words over water does not mean it somehow changed the water... it is still just water... a simple chemical compound with amazing characteristics... one of the reasons it was incorporated into your relgion is because it was realized that water is a key to life... not divinity.

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.

Even scarier: When exposed to heat (like when it's baked into cookies or cupcakes), the chemical compounds in sucralose may experience a toxic breakdown.

For example: Methyl bromide is introduced into an industrial process in order to synthesise, in combination with other chemicals, a new compound.

What's more, the chemicals may degrade over time or form new compounds that migrate into food.

These volatile organic compounds (VOCs) evaporate into the air, causing chemical fumes that can irritate eyes, nose, and throat as well as trigger headaches.

GSE is made by taking the pulp, not necessarily seeds, from grapefruit juice production and in a multi step industrial chemical process change the natural phenolic compounds into synthetic quaternary ammonium compounds.

However, chemical compounds can eventually leach their way into the food contained within, passing on health complications after consumption.

And SF Gate said you can also make sure they get plenty of time in the sun, as sunlight sets off one of three chemical reactions that convert an inactive compound in the skin into vitamin D. Even with all of these vitamin D outlets for your toddler, it's still not always enough.

One reason this compound is such a problem, is because it seeps into the skin and makes it easier for other chemicals to be topically absorbed.

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.

A pair of environmental monitoring wells drilled deep into an aquifer in Pavillion, Wyo., contain high levels of cancer - causing compounds and at least one chemical commonly used in hydraulic fracturing, according to new water test results released yesterday by the Environmental Protection Agency.

The researchers, who released their findings in the current issue of the Journal of Functional Foods, suggest that cruciferous vegetables — such as broccoli, brussels sprouts and cabbage — contain an organic chemical compound called indole glucosinolates, which breaks down into other compounds, including indolocarbazole — ICZ — in the stomach.

The unique chemical signals for each trace compound are then compiled into a database.

The drug, benzylpiperazine, isn't difficult to make; it requires a chemist to trigger a reaction between two chemicals in a flask, then cool them down until the compounds combine into crystals and the drug precipitates out.

Now, in a study published February 13 in Science Signaling, Lin's team discovered that a chemical compound that activates ATF6 also converts patient - derived stem cells into blood vessels.

When his lab's mass spectrometer showed a chemical profile identical to the one he was seeking, he dissolved the compound in propylene glycol, an odorless solvent that turned the mestanolone into a liquid.

Ectonucleoside triphosphate diphosphohydrolase 2 (E-NTPDase2) is an ectoenzyme that, along with family members E-NTPDase1 and E-NTPDase3, is known to degrade the chemical compound ATP (adenosine triphosphate) into ADP (adenosine diphosphate) for the purpose of sending messages to cells to change the fleet of proteins they are producing.

Some compounds, including more toxic and carcinogenic chemicals, may volatilize back into the air, while others accumulate in the snow and are released with meltwater.

Two chemicals in receipt paper that replace the toxic compound bisphenol A, or BPA, are just as capable of soaking into the human body as their predecessor, researchers report August 25 in Environmental Health Perspectives.

In the heyday of antibiotic development in the mid-20th century many different chemical compounds with antibacterial properties were examined, but only a small proportion were selected for development into drugs.

We are next hoping to transfer this model to more complex food systems, such as batters for crêpes or puff pastry, in which dozens of chemical compounds come into play and affect the formation and properties of these networks of rigidity.

It is now illegal to import a number of these substances into the United Kingdom and parts of the United States, but the chemical building blocks used to produce them are common compounds that would be hard to ban — or even to control.

That's because researchers have tailored a 3D printer to synthesize pharmaceuticals and other chemicals from simple, widely available starting compounds fed into a series of water bottle — size reactors.

But before life arose, nitrogen fixation must have occurred via purely chemical means: That's because amino acids and nucleic acids, which both contain nitrogen, were likely the organic compounds that developed into Earth's first lifeforms.

«With virtually no energy input, we convert a mixture of plant - derived fatty esters and bio-ethylene, another chemical compound, into fuel,» the professor says.

After reacting with sunlight and other chemicals in the atmosphere, sulfur compounds rain into lakes, streams, and soils.

The hydrogen replaces oxygen in the acids and other compounds in the bio-oils and makes them less corrosive, and the zeolites break the large hydrocarbons into compounds such as toluene and benzene that are commonly used building blocks for a large number of industrial chemicals.

In a research article published November 20, 2013, in the journal Nature, Shokat's team describes a novel chemical compound that fits into a previously unknown pocket in K - Ras and interferes with function of the enzyme.

If you've ever set foot in a nail salon, you've probably smelled volatile organic compounds, chemicals that dissipate rapidly into the surrounding air like acetone and formaldehyde.

The sediment operates as a chemical filter in that microbes in the sand, gravel and mud gobble up compounds such as oxygen and nitrates from the water before the water discharges back into the stream.

To create the screening tool, the researchers dug deep into a «gold mine» of data on 9800 compounds collected by the European Chemicals Agency.

The selectivity problem challenges chemists, who often encounter it when attempting to directly transform unsaturated hydrocarbons that contain one or more carbon - carbon double bonds, resulting in difficult - to - separate mixtures of compounds that require subsequent chemical steps to subdivide the mixtures into the desired molecules.

Stronger mean upward airflow transports these chemicals more quickly into the upper atmosphere, and the ozone layer will recover more quickly to its natural state before the introduction of man - made freon compounds.»

But here's the rub: Chemical companies turn nitrogen found naturally in the atmosphere into ammonium and nitrate compounds that make up fertilizer.

The researchers used a variety of conductive threads that were dipped in physical and chemical sensing compounds and connected to wireless electronic circuitry to create a flexible platform that they sutured into tissue in rats as well as in vitro.

Dr. Walter Voit led the team that created «Polycraft World,» an adaptation or «mod» for «Minecraft» that allows players to incorporate the properties of chemical elements and compounds into game activities.

Having proven that such a compound can exist, the researchers now plan to try introducing new properties into BODCA - MOF that would allow an electric, magnetic or chemical stimulus to alter the molecules» motion.

(Such low air temperatures encourage the formation of icy clouds in the upper atmosphere known as polar stratospheric clouds, which foster the chemical reactions that turn harmless chlorine compounds into ozone eradicators.)

This group's achievement demonstrates the possibility of changing high - value chemical compounds such as bioethanol, which has been gathering attention in recent years, into different chemical compounds by using catalysts differently.

One of the Holy Grails in chemical science has been to find the late - stage, site - specific incorporation of a halogen atom into a complex natural product by replacing an sp ³ C - H bond (one of the most inert chemical bonds known in an organic compound) with a C - X bond (X = halogen).

Levin said that the research team learned how to incorporate the fluorine - 18 marker atoms into the chemical mechanism they used to create new compounds.

Moreover, chemical reactions in the outer disk may have transformed simple carbon compounds into more complex molecules essential to Earth - type life, such as amino acids (Lee et al, 2010; and David Shiga, New Scientist, January 19, 2010).

I didn't groan at this idea unlike most other Star Wars fans — many of whom were outraged by the perceived reduction of the Force from a grand, almost magical power to a function of biology — because I'm a biologist who studies bioenergetics: How organisms convert various molecules (food) into chemical energy (adenosine triphosphate or ATP, a compound that enables energy transfer between cells) that can be used to power life.