Sentences with phrase «by the chemical changes»

How this metamorphosis takes place; how a force existing as motion, heat, or light can become a mode of consciousness; how it is possible for aerial vibrations to generate the sensation we call sound, or for the forces liberated by chemical changes in the brain to give rise to emotion, — these are mysteries which it is impossible to fathom.

In their report they found that essential oils cause a positive emotional response supported by the chemical change of an individual's brain and increase in blood flow.

The ozone process is complex and little understood, but recent finds by Haigh are showing quantities of ozone can increase above 45 km and decrease below during times of weak solar activity, which is no doubt brought about by the chemical changes that fluctuating EUV / FUV brings along.

Not exact matches

Hari has been able to convince big chains to make system - wide changes in the past by isolating one or two ingredients, such as the «yoga mat chemical» or corn syrup, that she feels are especially dangerous for customers and would be feasible for the company to cut.

Using what's called dielectric properties — chemical changes that occur as a fruit ripens or rots, for example — the sensors emit an electromagnetic signal that can be monitored by a reader.

Chief executive Andrew Liveris told the Wall Street Journal that a potential name change would hopefully help position the company as one linked by «chemistry rather than chemicals» as it transforms.

By turning manure and wastewater into a power source, dairy farms could curb their climate - change causing emissions and keep harmful chemicals out of the surrounding environment.

Highly acidic foods, such as sauces like BBQ and ketchup, have a higher risk of changes to their chemical composition due to their low pH. Both acid hydrolysis (decomposition) and the reaction of additives and substitutions are accelerated and dictated by the temperatures that the ingredients are exposed to.

The heating process influences the taste of the beverage by changing the coffee bean both physical and chemical composition.

The company claims the ingredient can maintain its chemical, physical and sensory characteristics during prolonged storage time and avoids quality deterioration caused by changes in temperature.

Just by changing the way we farm, by stopping deep tilling, mono - cropping, and chemical fertilizer use — the Climate Collaborative estimates regenerative carbon farming practices could mitigate as much as 4 billion to 6 billion tons of CO2 equivalents a year or 10 percent to 12 percent of global human - caused emissions.

Researchers at McGill University have shown that specific parenting behaviors by mother rats change the way certain chemicals are affixed to certain sequences on a baby rat's DNA, a process known as methylation.

While rashes can be caused by a variety of problems (food allergies, yeast, etc.), the majority of these rashes come from contact allergies to diaper and wipe chemicals and dyes, lack of air, higher diaper temperatures, and infrequent changing because diapers feel dry when they are saturated with urine.

Dioxin, by far the most toxic of chemicals regulated by the Environmental Protection Agency, is linked to cancer, birth defects, liver damage, skin diseases, immune system disorders and changes in endocrine regulation.

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.

The PPPA changed that by requiring dozens of household items, such as prescription and over-the-counter drugs as well as household chemicals, to be contained in packaging that children under 5 can't open.

Anti-depressant drugs combat your blues by changing the balance of mood - alerting chemicals in your brain.

By SafBaby Founders Sandra Blum and Samantha Fox Olson The Patemm Laminated Cotton Changing Pad is a revolutionary, chemical free changChanging Pad is a revolutionary, chemical free changingchanging pad.

By Jesse McKinley ALBANY — For the second time in two weeks, New York State Department of Health officials sought to blame the Environmental Protection Agency for a contaminated water crisis in upstate New York, saying on Wednesday that they were confused and hamstrung by changing federal standards on perfluorooctanoic acid, a toxic chemical known as PFOBy Jesse McKinley ALBANY — For the second time in two weeks, New York State Department of Health officials sought to blame the Environmental Protection Agency for a contaminated water crisis in upstate New York, saying on Wednesday that they were confused and hamstrung by changing federal standards on perfluorooctanoic acid, a toxic chemical known as PFOby changing federal standards on perfluorooctanoic acid, a toxic chemical known as PFOA.

The EPA's abrupt new direction on legacy chemicals — like PFOA — is part of a broad initiative by the Trump administration to change the way the federal government evaluates health and environmental risks associated with hazardous chemicals, making it more aligned with the industry's wishes.

That's important because heat can potentially change the effectiveness of these oils by changing their chemical properties.

He works by tweaking the chemical structures of the drugs, sometimes changing just a few molecules to see what impact this might have on the interaction between the drug and the brain receptors their parent compounds normally act upon.

In a new paper in the journal Biology Letters, researchers from QMUL's School of Biological and Chemical Sciences found that goats respond to people by gazing at them when facing a problem they can not solve alone, and their responses change depending on the person's behaviour.

Obtaining it from living humans is not difficult, but it's a formidable challenge to extract and sequence genome - wide aDNA, which can degrade into fragments, undergo chemical reactions that change its code, and be contaminated by modern DNA.

The researchers proved that this was caused by chemical «epigenetic» changes to parts of the gene that codes for Hnf4a, making it less active than it should be.

By analyzing chemical changes of the IRS - 2 protein in immortalized cultures of human white blood cells, it determined that IRS - 2 appeared in two different forms — «on,» which allows the signal to pass through, and «off,» which stops the signal from activating the cells into M2 macrophages.

In the human body cells turn genes on and off by means of chemical modifications that change DNA and related proteins.

The chemicals may contribute to diabetes by altering insulin production, disrupting related genes or changing glucose transport or fat metabolism, according to scientists.

DNA damage caused by replication errors includes copying mistakes, insertions or deletions of DNA, and chemical changes that alter the DNA's message.

He already knew that plants can change their chemical structure to protect themselves once attacked, or just touched, by a hungry herbivore.

Those nuclei beef up by gobbling neutrons in rapid succession and then quickly change their chemical identities through radioactive decay.

The term diagenesis is used to describe all the chemical, physical, and biological changes, including cementation, undergone by a sediment after its initial deposition and during and after its lithification, exclusive of surface weathering.

The quantities of certain chemicals with known roles in insect learning (octopamine), aversive conditioning (dopamine) and aggression (serotonin) were all reduced by the procedure, suggesting that as with their mammalian counterparts, duress in bees causes sustained, system - wide changes in brain state — a possible analogue of mood.

«We found that these clusters can perform very well as room - temperature nanoscale diodes whose electrical response we can tailor by changing their chemical composition,» says Venkataraman.

Later in life the genetic material can be changed by epigenetic modifications, i.e. chemical alterations of the DNA the affect the activity of the genes.

The researchers were the first to discover that the Pacific Plate is formed by a combination of mechanisms: The plate thickens as the rocks of the mantle cool, the chemical makeup of the rocks that form the plate changes with depth, and the mechanical behavior of the rocks change with depth and their proximity to where the plate is being formed at the mid-ocean ridge.

In his Perspective, Crutzen discusses results reported in the same issue by Summers et al. in which they find that chemical balance can be achieved if changes are made to some important reaction rates.

«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.»

The long - lasting medication was developed by making pharmacological changes in the chemical structure of the drug, while at the same time protecting its abilities to contain infection.

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.

«There must have been regional climate and chemical conditions that varied in time and space,» he says, adding that this would occur as the tilt of Mars's spin axis changed over tens of thousands of years, a wobble caused by the lack of a massive moon to stabilise the planet.

The new set - up differs from other types of thin - metal sensors currently in use, the authors note, because it detects molecules directly instead of measuring indirect changes caused by the presence of a chemical.

Further tests showed that the activation of specific inhibitory neurons — parvalbumin, somatostatin, and vasointestinal peptide — was responsible for these changes and was in turn controlled by the chemical messenger, or neurotransmitter, acetylcholine.

He found major changes in baby coral caused by these chemical additions to the water, both during the lifetime of the organisms and beyond.

By looking at how concentrations of chemical elements in the sediment change with depth, the researchers can develop a continuous record of how much surface runoff poured into the lake.

What, did you think this column was written by a theoretical aggregation of molecules constituting a structural particle of protoplasm and capable of increase or diminution without change in chemical nature?

While there's still no way to definitely know that the amygdalae are responding to postpartum chemical changes, «it's very likely,» Lonstein says, pointing out that the amygdalae are influenced by the body's reaction to hormones in other emotional settings.

By detecting changes in an optical property known as refractive index, the device can sense concentration, pH and other chemical parameters.

Prior research with cultured tissue had shown that a mix of chemicals could change bone marrow stem cells from mice to those resembling brain cells, but when a team led by neurologist Lorraine Iacovitti of Thomas Jefferson University in Philadelphia tried the same brew on human cells, the number altered was modest.

«By doing that, you're getting a more perfect shell that's less likely to cause chemical changes to the surface of the nanoparticle core.»