Sentences with phrase «by chemicals in the environment»

Not exact matches

The port city of Tianjin saw the sharpest fall in its livability score among the eight Chinese cities surveyed, with the drop compounded by a decline in its environment score following an explosion at a chemical factory a year ago.

There is the unjust exploitation of physical, chemical, biological, and zoological nature, the ecology in which human nature is embedded, by industrial and technocratic production processes of «megamachines» (L. Mumford) polluting and destroying environment after environment.

The chemical environment of the molecule and the molecule itself are in constant, dynamic interaction, influenced by the magnitude of physical forces and configuration of chemicals within the cell.

1962 saw the publication of «Silent Spring» by Rachel Carson, which detailed the damaging impact of DDT and other chemicals on the environment, and played a key part in popularising environmentalism.

Federal regulators described PFOA as «a chemical or material that is characterized by a perceived, potential, or real threat to human health or the environment or by a lack of published health standards» in the March 2014 document.

The panel, which was commissioned by U.K. science minister David Sainsbury in July 2003, concluded that nanoparticles and nanotubes should be treated as new chemicals and their impacts on health and the environment be tested under existing U.K. and E.U. legislation.

A team of researchers, led by the University of Minnesota, has invented a new soap molecule made from renewable sources that could dramatically reduce the number of chemicals in cleaning products and their impact on the environment.

The agency is responding to a report written by 12 scientists who criticized the government's decades - old strategy for testing the safety of many chemicals found in the environment and consumer products

«The brain along with the reproductive system and every other cell in your body is exquisitely sensitive to exceedingly small changes in estrogen and other sex hormones, and the fact that the environment is full of chemicals that can activate estrogen receptors means this phenomenally sensitive system is being perturbed constantly by environmental factors.»

By performing experiments in the precisely controlled environment of the CLOUD chamber, the project's scientists can change the concentrations of chemicals involved in nucleation and then measure the rate at which new particles are created with extreme precision.

The 2 - millimeter - by -2-millimeter devices (pictured) are made up of a film of polymers that detects chemicals in its environment.

By immersing stem cells harvested from men's bone marrow in a cocktail of chemicals that mimic the environment of the testes, Nayernia and his team turned the stem cells into immature sperm.

The study, performed in Garfield County, Colo., between July 2010 and October 2011, was done by researchers at The Endocrine Disruption Exchange, a non-profit organization that examines the impact of low - level exposure to chemicals on the environment and human health.

These predictions, he says, are essential to manufacturing in global chemical, cosmetic and personal care industries impacted by REACH, a European regulatory guideline that aims to improve the protection of human health and the environment through the better and earlier identification of the properties of chemical substances.

By isolating mechanical and biological variables one by one in vitro, Mooney and his research team have discovered how the physical forces and chemical environment in those dense tissues can drive cells into a dangerously invasive, proliferating modBy isolating mechanical and biological variables one by one in vitro, Mooney and his research team have discovered how the physical forces and chemical environment in those dense tissues can drive cells into a dangerously invasive, proliferating modby one in vitro, Mooney and his research team have discovered how the physical forces and chemical environment in those dense tissues can drive cells into a dangerously invasive, proliferating mode.

«This means clumps of atoms surrounded by a bath at some temperature, like the atmosphere or the ocean, should tend over time to arrange themselves to resonate better and better with the sources of mechanical, electromagnetic or chemical work in their environments,» England explained.

The chemical make - up of the zircon crystals suggests that the magma they cooled from was generated by the melting of a mud - rich sediment, which is the sort of environment in which organic remains might accumulate.

The waste usage from the food industry is a great source of raw material recovery rich in chemical diversity, and simultaneously it can reduce the impact generated by the accumulation of waste in the environment

About two thirds of the discarded devices were still functioning, upping the danger that they would crack during transport or when crushed by garbage trucks, tossed into landfills or incinerated (more of an issue in developing countries), thereby releasing toxic chemicals into the environment.

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

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.

All ants communicate largely by «smelling» different chemicals in the environment with their antennae.

«But these single factors don't paint a comprehensive picture of what a person is exposed to in their environment — and may not be as helpful in predicting cancer risk, which is impacted by multiple factors including the air you breathe, the water you drink, the neighborhood you live in, and your exposure to myriad toxins, chemicals and pollutants.»

«People could be exposed to dangerous levels of ultrafine particles emitted by printers if they are in an environment that is poorly ventilated and the printer operation is frequent or continuous,» says Lidia Morawska, a physicist and co-author of the study, which appears in this month's online issue of the American Chemical Society's Environmental Science & Technology.

Even though large amounts are released into the air by human activities such as coal burning, smelting, mining and waste incineration, mercury also occurs naturally in the environment, where it undergoes a complex chemical cycle.

The researchers are now working on sensors that could be used to monitor other biological properties, such as pH. «We hope this is the first of many types of solid - state contrast agents where the material responds to its chemical environment in such a way that we can detect it by MRI,» Cima says.

Complex surface attributes, such as its topography and chemical properties, are not explored here but are expected to influence cluster sizes in some natural environments by increasing the complexity of fluid flow patterns, inducing short - range cell relocation and modifying the long - range relocation mechanism.

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.

SEE ALSO Algal Blooms, Harmful; Algal Blooms in the Ocean; Carbon Dioxide in the Ocean and Atmosphere; El NiÑo and La NiÑA; Food from the Sea; Life in Extreme Water Environments; Human Health and the Ocean; Human Health and Water; Ocean Biogeochemistry; Ocean Currents; Plankton; Pollution by Invasive Species; Pollution of the Ocean by Sewage, Nutrients, AND Chemicals.

Babies are particularly sensitive to chemical changes in their environment because any short - term alterations can have life - long consequences by disrupting proper developmental programming.

This work supports PNNL's mission to strengthen U.S. scientific foundations for innovation by developing tools and understanding required to control chemical and physical processes in complex multiphase environments.

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.

These strategies are: (1) physical separation by temporarily converting the two enantiomers into two diastereomers (called resolution); (2) physical separation in a chiral chromatographic environment; (3) chemical discrimination in a chiral environment (using enzymes or other chiral platforms as chemical reagents); and (4) asymmetric synthesis of one enantiomer in preference to the other.

Source: Lyman 2010 The reaction of the oceans to climate change are some of the most profound across the entire environment, including disruption of the ocean food chain through chemical changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour in the atmosphere.

Thankfully, we can lower the amount of plastic - related chemicals in our bodies, our homes, and the environment — as well as the risks they pose — by simply using fewer plastics in our daily lives.

In a perfect world, I do not believe that supplementation is necessary: if we all had access to nutritionally dense food, ate perfectly, our environment wasn't polluted with toxins and chemicals, we were never exposed to pharmaceutical drug, and we were never affected by physical, emotional or lifestyle stressors.

Even if you're relatively health - conscious, detoxifying once in a while is still important to give your body a rest from chemicals that are caused by inorganic food and the environment.

Free radicals are caused by many things, including chemicals and toxins in our food and environment, and they are responsible for aging, tissue damage and deterioration of the body.

A new guide by Made Safe — a certification scheme that labels products with ingredients that don't harm our health or the environment — seeks to demystify some of the over 80,000 chemicals in our products today.

It breaks down some of the toxic chemicals in plastic, recommends plastic alternatives, and points to products that are certified eco-friendly by the Plastic Pollution Coalition, an organization that seeks to reduce the amount of plastic in the environment, and deemed safe by the Made Safe label.

Reading the baby books, I was shocked by all the chemicals you had to remove from the baby's environment and realized I was completely surrounded by chemicals in the air, food and water.

Inflammation is the chronic activation of our immune system caused by eating a high carb, high processed food diet, lack of proper nutrients, chemicals in our environment, the overuse of medications, and, high levels of stress.

We are constantly exposed to these heavy metals and toxic chemicals in our environment: Mercury can get into our bodies by way of fish, particularly large fish and shellfish; medications, such as thiazide diuretics, prescribed for high blood pressure; vaccines, which may contain thimerosal, a mercury compound used as a preservative; and dental fillings.

And while we learn some seriously concerning details about what's happening to males worldwide - a Danish study in 1992 demonstrated that sperm counts in healthy men had dropped by more than half in 50 years - with rapid cell division in sperm making them vulnerable to chemicals in the environment, especially endocrine disruptors, there is hope at hand!

When weakened by prolonged stress — be it caused by lack of sleep, poor diet, chemical toxins in the environment or mental assaults — the body's ability to maintain homeostasis can be compromised, and illness can result.

Research into the fertility of sheep exposed to endocrine disruptors in the environment by Dr. Michelle Bellingham of the University of Glasgow found that abnormalities that could result in low sperm counts were found in the testes of 42 % of the animals, which led her to suggest that the rise in the use of in - vitro fertilization in humans, particularly as a result of low sperm counts, is due to exposure to these chemicals in the environment.

By comparison, Diana's efforts to stop the Great War provide a sense of hope not present in films like Man of Steel or Batman v Superman, while also taking the superhero genre out of an urban environment and contrasting Diana's supernatural powers against early 20th century firepower and chemical weapons.

12.4 by 2020 achieve environmentally sound management of chemicals and all wastes throughout their life cycle in accordance with agreed international frameworks and significantly reduce their release to air, water and soil to minimize their adverse impacts on human health and the environment

Physical and chemical weathering in hot arid environments, and erosion, transportation and deposition by wind and water

Naturally, plant - based substances make fleas stay off your dog, but they don't have the same serious consequences that chemicals do because they are produced by nature and do not build up in the environment.