Sentences with phrase «by chemical tests»

This activity is measured by chemical tests known as assays.

The inference from the bioassay can potentially be confirmed by chemical tests, but how can we confirm the inference from a behavioral assay?

Not exact matches

Love is a biological reaction, complete with chemical interaction, and can be measured by testing for certain chemicals and reading brainwave patterns.

My grade - school science teacher demonstrated the chemical reaction of baking soda and vinegar by mixing them in a test tube and placing a balloon over the top so it would inflate from the gas that formed.

The most comprehensive methodology for testing the chemical composition of unrecorded alcohol products was developed as part of the Alcohol Measures for Public Health Research Alliance (AMPHORA) project, a collaboration among 13 EU member states funded by the European Commission.

Summary: To be considered bioactive, honey should be analysed for its chemical composition by a suitably certified laboratory (e.g. NATA — National Association of Testing Authorities).

Yes, we are certified vegan by Vegan Action and free of animal or animal by - products including flesh, bones, dairy, eggs, honey, fur, leather, wool, down feathers, and cosmetics or chemical products tested on animals.

Each lot of every item we receive from an outside source is thoroughly tested by certified laboratories and must pass a number of strict chemical, physical and microbiological tests prior to being accepted by SupHerb Farms.

The Trinidad Scorpion, which has a pod that comes to a point like a stinger, was tested last year by Marlin Bensinger, a chemical engineer who has worked with peppers extensively for more than 40 years.

While there is no concrete proof that BPA is harmful to humans, some tests by the National Toxicology Program (NTP), the National Institutes of Health, as well as the Food & Drug Administration (FDA) have shown that there could be potential issues that could arise due to over exposure of this chemical.

In a new study by Healthy Stuff, 93 % of the receipt paper tested contained hormone - disrupting chemicals, BPS or BPA.

Newton products have been independently tested and certified by UL to meet Greenguard Gold standards for the lowest chemical emissions.

• The Milk - Saver is rigorously tested by an independent lab to ensure zero chemical leaching.

Clean Label Project ™ had the top - selling laundry detergents, dish soap, all - purpose sprays, and all - purpose wipes tested and reviewed by a third party analytical chemistry laboratory for chemicals of concern and product efficacy.

GreenGuard thoroughly tests for chemical emissions in order to guarantee a product is safe for use by babies and toddlers.

But most of the thousands of chemicals on the market are not tested for safety by anyone other than the manufacturer, and they are not regulated to protect a developing baby.

Cherish — Beauty by Nature is an all natural essential oils skin care range that is not tested on animals and that is without any toxic ingredients, additives and chemicals.

All current and previous car seat models are tested for chemical compliance by independent laboratories.

The Britax seats tested were by far the safest of any brand, leading HealthyStuff.org to designate Britax the «Best Overall Child Seat Company» as the gold standard for chemical compliance.

To see if I am the only one out there who feels totally overwhelmed by the «watch - outs» and the warnings and the names of chemicals I can neither spell nor pronounce, I created the quiz below to test your baby personal care product safety savvy.

The company has five goals for its crib mattresses: no harmful chemicals; no allergenic materials; natural, organic and renewable materials wherever possible; practical, easy to clean design; and third - party testing by GreenGuard to ensure they meet strict standards.

Their report notes that the risks from other toxic chemicals including formaldehyde, styrene, tricholorethylene, the pesticide chlorpyrifos and many others have been downplayed and regulations have been delayed or denied due to similar industry - backed computer modeling tests — in many cases, even when the industry tests are contradicted by actual biologically - based experiments.

5 Phases glass baby bottles have been inspected and tested by a third party for known toxic and harmful chemicals.

Also, by avoiding animal testing, chemicals, GMOs, parabens, or other artificial ingredients, Waxelene is both environmentally friendly and humane.

Chemical pregnancy: Sometimes a pregnancy can be detected or indicated by a pregnancy test early on — and then followed by consecutive negative results.

The village water system in Hoosick Falls was not required to test for the organic and chemical compounds listed by the EPA.

A recent round of state tests on 145 water wells in the town of Hoosick and village of Hoosick Falls showed slightly less than a third indicated a presence of a toxic chemical at levels exceeding the safety threshold recently set by the Environmental Protection Agency.

The testing for chemicals was conducted by the two companies with oversight from the DEC, and were the focus of testing because the manmade chemical PFOA and other chemicals were used there for decades.

HR 2576 updates the 40 - year - old Toxic Substances Control Act by removing barriers to repeat chemical testing, mandating new safety reviews, and making information more available to the public.

The Hoosick Falls parents, children and teachers say they are frightened over the high levels of the toxic chemical PFOA found in their blood in recent tests conducted by the state health department.

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 test, which could be available to patients within two years, identifies the chemical signatures found in the plasma of blood joint proteins damaged by oxidation, nitration and glycation; the modification of proteins with oxygen, nitrogen and sugar molecules.

In lab tests, prototype multilayer lenses have shown they can release ciprofloxacin (an antibiotic often used to treat eye and other infections) for up to 100 days, according to a study published in the July issue of Investigative Ophthalmology and Visual Science by researchers from Children's Hospital Boston, the Massachusetts Eye and Ear Infirmary's (MEEI) ophthalmology department, Schepens Eye Research Institute in Boston, and the Massachusetts Institute of Technology's (M.I.T.) chemical engineering department.

After identifying candidate queen pheromones by analysing chemical profiles of queens and workers, they created synthetic samples of the pheromones and tested them to see whether they inhibited worker reproduction.

Next, the team tested chemicals they suspected would react with the smelly molecules to produce larger molecules that could no longer be smelled, or a different shape that would be perceived differently by the nose.

After testing dozens of candidates, the researchers found adociasulfate - 2 (AS - 2), a defense chemical used by a purple ropelike sponge that lives in the western Pacific Ocean.

At the annual meeting of the American Chemical Society, scientists reported here yesterday a better way to measure a community's drug use by testing its wastewater.

Neuroscientists can test odor - sensing neurons» responses to chemical «smells» by exposing them to scent molecules in liquid gradients, which overlap like the blurry rainbow of food coloring shown here.

If this environment is harmed by chemicals, such as through damage to gut cells, it could impact the health of the organisms and would lead to a number of fish diseases but this technique will enable us to increase the tests we can carry out and improve our understanding of how to preserve gut health.»

Environmental groups criticize the EPA, which was granted the authority by Congress in 1996, for taking so long to order manufacturers to test only a small group of chemicals.

In this case, he was testing the idea that a buildup of cellular damage caused by oxidation — technically, the chemical removal of electrons from a molecule by highly reactive compounds, such as free radicals — is the main mechanism behind aging.

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.

The chemicals Greenpeace tested for have been commonly used in textile manufacturing, but are gradually being phased out by some brands due to concern about their polluting impact.

The researchers tested the device prototype by applying their rehabilitation protocol — which combines electrical and chemical stimulation — to paralyzed rats.

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

In another study, the same researchers who discovered the uptake of antibiotics by plants tested four of these drugs to determine how effective composting would be in reducing harmful chemicals in turkey manure.

They also tested other chemicals known to prevent the other two forms of cellular suicide, but only CGP3466B protected mouse nerve cells in the brain from death by cocaine.

STICK TEST Researchers put an adhesive inspired by the chemical structure of slug slime through its paces.

MYTH: Household and industrial chemicals are routinely tested and approved for safe use by the U.S. Environmental Protection Agency.

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.