Sentences with phrase «use of chemical compounds»

One of the most common problems dogs have to cope with in winter is the use of chemical compounds used to melt ice and snow on sidewalks and driveways.

All studies that make use of chemical compounds (including pharmaceutical research) must disclose the full structures of those compounds, including stereochemistry if known.

Not exact matches

SUPERIOR, Wis. — The mayors of the Lake Superior twin port cities near last week's oil refinery explosion and fire are calling on its owners to stop using a toxic chemical compound at the site.

SUPERIOR, Wis. (AP)-- The mayors of the Lake Superior twin port cities near last week's oil refinery explosion and fire are calling on its owners to stop using a toxic chemical compound at the site.

In my cell biology course, we investigate the biology and chemistry of a cell surface receptor that helps induce good feelings in us when it binds to a chemical compound found in incense; this may help explain why so many different cultures and religions have independently evolved the use of incense in their ceremonies and rituals.

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.

A few years back, the chemical compound BPA got more than its 15 minutes of fame when news stories upon news stories came out bashing the chemical for its use in the food and beverage industry.

(l) If a marijuana extract was added to the product, a disclosure of the type of extraction process and any solvent, gas or other chemical used in the extraction process, or any other compound added to the extract.

More than three decades after manufacturers stopped making children's pajamas with a flame retardant suspected of causing cancer, new research suggests the same chemical has become the most widely used fire - resistant compound in upholstered furniture sold throughout the United States.

It is a source of cannabidiol, a chemical compound used in medical marijuana applications and is also rich in Omega 3 and Omega 6 fatty acids, which gives it numerous health benefits to both humans and animals.

In a letter to Goodell, Senator Klein pointed to the increasing problem of players using K2, because most drug screens fail to test for the chemical compounds.

Oneida County Executive Anthony J. Picente, Jr. today announced that he has asked the Oneida County Board of Legislators to adopt a countywide local law banning the synthetic drugs that are used in chemical compounds referred to as «bath salts.»

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.

There are more than 30 kinds of anabolic - androgenic steroids — the infamous» roids used and abused to promote muscle growth — but they are all synthetic compounds mimicking testosterone's chemical structure.

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.

Meanwhile, collaborators at The Scripps Research Institute screened millions of chemical compounds, using robotic technology to test each for their abilities to activate ATF6.

Wind power provides the pressure necessary to suck the well's saltwater through a series of filters and membranes laced with copper and silver ions to kill off any potential pathogens, rather than the more expensive chemical compounds used in reverse - osmosis plants.

The new drug - like compounds discovered by Vogel and her co-authors offer hope that using a computer - generated P - gp model, explained here http://bit.ly/1LVmR7a, developed to accurately mimic the physical, chemical and biological functions of the protein in the human body, will speed up the drug discovery process and work in real life as well.

Secondly, they are used in all kinds of chemical compounds, such as those in floor cleaners as oxidizing agents that kill bacteria,» Jena said.

There are approaching 100,000 different human - made chemical compounds in use around the world today, and many of them harm humans and wildlife

According to the researchers there are several chemical compounds that are typically used in a sunscreen that efficiently absorbed varying wavelengths of UVB radiation.

The objective of the research project led by Marko Kallio, Principal Scientist at VTT, was to accelerate the drug development process by identifying new compounds that would possess similar binding properties and cellular phenotype, but a different chemical structure, as the selected drugs in clinical use or investigational compounds in development.

In contrast, preparation of more elaborate phosphorus compounds used in chemical catalysis, pharmaceutical, and battery applications requires laborious generation and chlorination of elemental phosphorus.

Cobbling together the genes of three different species, chemical engineer Jay Keasling (Discover's 2006 Scientist of the Year) of the University of California at Berkeley transformed a metabolic pathway in yeast that allows the engineered microbe to produce a precursor to artemisinin, a compound used to treat malaria.

«Dandelion uses latex to protect its roots against insect feeding: Single chemical compound in latex sap of plant deters cockchafer larvae.»

To accomplish this, they used compounds of the chemical element ruthenium as a catalyst.

Researchers working on the Ribeirão Preto campus of the University of São Paulo (USP) in Brazil have discovered that a bacterium found in the microbiota associated with leafcutter ant species Atta sexdens rubropilosa produces the so - called «trail pheromones,» i.e, the aromatic chemical compounds used by the ants to lay a trail to their nest.

Using this strategy, researchers can engineer specific cells to produce a surface receptor that binds to a chemical compound known as CNO, a derivative of clozapine.

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.

In Pavillion, Wyo., where residents have complained of nerve damage and loss of sense of taste and smell, EPA superfund investigators found benzene and other hydrocarbons in well water samples, as well as methane gas, metals, and an unusual chemical variant of a compound used in hydraulic fracturing.

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.»

The agency released data from these test wells in November that confirmed high levels of carcinogenic chemicals such as benzene, and a chemical compound called 2 Butoxyethanol, which is known to be used in fracking.

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.

At the heart of the STEP process is an electrolysis cell, a device that uses electricity to break down chemical compounds.

A chemical compound using superheavy element seaborgium is the first to show effects linked to Einstein's theory of relativity

Using just one tropical plant called a bromeliad, scientists were able to remove 80 % of six different compounds from the air in a small, sealed container, they reported today at the American Chemical Society's annual meeting.

Using data captured by ALMA in Chile and from the ROSINA instrument on ESA's Rosetta mission, a team of astronomers has found faint traces of the chemical compound [Freon - 40]--(CH3Cl), also known as methyl chloride and chloromethane, around both the infant star system IRAS 16293 - 2422, about 400 light - years away, and the famous comet 67P / Churyumov - Gerasimenko (67P / C - G) in our own Solar System.

Given the potential for living systems to produce highly complex chemical compounds, researchers working with Michelle C.Y. Chang at the University of California, Berkeley (USA), aimed to manipulate the biosynthetic machinery in cells to use simple fluorinated building blocks to make new organofluorine target molecules.

Hamilton provides an example of why the upward airflow is so significant: «The manufacture of ozone - destroying chemicals such as the freon compounds used in the past in spray cans and in refrigerators has been largely banned for over 20 years.

Scientists at San Diego — based Genomatica, Inc., have announced success in manipulating the bacteria to directly produce butanediol (BDO), a chemical compound used to make everything from spandex to car bumpers, thereby providing a more energy - efficient way of making it without oil or natural gas.

Using spectral readings from telescopes at the Keck Observatory in Hawaii, Hand has found high levels of oxidative chemicals such as sulfate, oxygen, sulfur dioxide and hydrogen peroxide on Europa's surface, which are produced as ionizing radiation from Jupiter scours it, splitting apart water molecules and sulfur compounds in the uppermost layers of its ice.

The Aberdeen scientists are studying the potential of marine organisms as a source for new chemical compounds, which could be used to develop novel treatments for cancer, inflammation, infection and parasitic diseases.

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.

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.

Researchers at the University of Cincinnati (UC) James L. Winkle College of Pharmacy are presenting collaborative research on the use of mathematical methods for understanding the transportation of chemical compounds in biological tissues, like the skin.

The study's lead author, Heather Stapleton, a Duke University assistant professor of environmental chemistry, said many of the compounds have been used in foam cushions only recently, replacing another chemical that was banned after 2004 because it was building up rapidly in human bodies.

One of the hurdles they faced was to safely fabricate the phosphor using a compound containing fluoride, which is itself a toxic, corrosive and potentially dangerous chemical to handle.

Yale University chemists have helped develop a family of new chemical catalysts that are expected to lower the cost and boost the sustainability of the production of chemical compounds used by a number of industries.

The new catalysts are already commercially available from a number of different chemical companies and are likely to be used in the near future to make important chemical compounds.