Sentences with phrase «from chemical testing»

Not exact matches

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

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.

They're just as fast, made from all real food ingredients — no gluten, grains, dairy, sugar, or processed food chemicals — and they even passed the husband test.

Initial soil tests were also taken from her property to make sure they didn't contain any residual chemicals.

On behalf of the Rainforest Alliance, they are training tea estate workers and smallholder farmers to adopt simple, time - tested methods that safeguard soil health and water quality and protect workers from dangerous chemical exposure.

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.

Sun Chemical showed off its famed scope of innovation, including a solution developed in conjunction with the University of Tokyo that helps brands test artwork from the perspective of the 10 % of humans who suffer from the various forms of colour blindness.

The testing / rating means that they are free from synthetic ingredients, fillers, pesticides and toxic chemicals.

The law, aimed at keeping lead - filled merchandise away from children, mandates that all products sold for those age 12 and younger — including clothing — be tested for lead and phthalates, which are chemicals used to make plastics more pliable.

Made from food grade plastic, the patented Milk Saver contains no BPA or phthalates, and has been rigorously tested to ensure zero chemical leaching.

Back Buddy is made in the USA from high - quality structural foam that is certified and tested for performance and made without harmful chemicals, flame retardants, and phthalates.

For radon, an inexpensive test kit that's available at home - improvement stores will be reliable to make sure your home is safe from this toxic chemical.

When buying products from a reputable producer, they should be able to provide you with information about the materials, the chemicals they contain, the safety testing they've undergone, etc..

There are multiple products from The Body Shop I love — why, yes, my kids and I have all been using this skin clearing clay mask for years — but my favorite part is that they never test on animals or use scary chemicals.

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.

WASHINGTON, D.C. - Fort Drum and the Seneca Army Depot in New York are among 664 military sites that will be tested nationwide for potential groundwater contamination from firefighting chemicals.

Fort Drum near Watertown and the old Army depot are among 664 military sites nationwide that will be tested for tainted groundwater from chemicals in firefighting foam.

Suffolk County Health Department officials testing water from private wells near East Hampton Airport have found levels of chemicals at one residence above the Environmental Protection Agency's acceptable level for lifetime exposure.

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.

Toward High School Biology — Developed with support from the U.S. Department of Education's Institute of Education Sciences and in partnership with BSCS, AAAS Project 2061 has developed and tested an innovative eight - week curriculum unit designed to integrate physical and life science concepts to help middle school students understand chemical reactions and their role in the growth and repair of living organisms.

A chemical test revealed that about half of the cockroach - ingested seeds remained viable and that their viability (52.0 %) was not significantly different from that of seeds directly removed from the pulp (49.3 %).

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.

Specifically, the Mount Sinai study was designed to test whether pharmacological compounds designed to block the function of XPO1 / CRM1 could stop disease progression in mouse models that exhibit some of the characteristics of MS. Researchers found that two chemical agents (called KPT - 276 and KPT - 350) prevented XPO1 / CRM1 from shuttling cargo out of the nucleus of nerve cells, which protected them from free radicals and structural damage.

The findings come as the U.S. Environmental Protection Agency faces opposition from the pesticide industry after expanding its Endocrine Disruptor Screening Program, which requires testing of about 200 chemicals found in food and drinking water to see if they interfere with estrogen, androgens or thyroid hormones.

Pesticide companies, in a January letter to the EPA, asked the agency to refrain from listing more chemicals for testing «until the agency has had an opportunity to evaluate the performance» of the techniques used to test the initial 67 pesticides.

He told Moore that her blood test had uncovered high levels of two toxic chemicals — 2 - methylpentane and 3 - methylpentane — both derived from petroleum products.

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 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.

From this perspective, it is heartening that the Government of India has recently given approval for the test planting of Bt cotton, which hopefully will reduce dependence on chemical pesticides in years to come.

But alternative approaches, like capturing CO2 directly from the air using chemical reactions or absorbing it with ground - up minerals added to soils, are just beginning to see their first real - world tests.

Greenpeace said 12 of the 27 articles it tested contained residues of nonylphenol ethoxylates (NPEs), used in textile manufacturing which it said can break down into hormone - disrupting chemicals when released from garments during washing.

Typical blood glucose testing strips also contain a molecule that ultimately amplifies the signal from the chemical reactions on the strip enough to register electronically on a monitoring device.

When they tested chemicals from the type of cypress tree that was used to construct the building they found that some are so repellant that rodents will not gnaw anything coated with them (Journal of Chemical Ecology», vol 21, p 263).

This NIH decision came in response to claims from scientists and public health advocates that members of the panel worked for the chemical industry and cherry - picked the data in favor of industry - funded studies, which did not test low - dose exposure to BPA.

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.

In another test, the researchers looked to see if chemical signals released from the endothelial cells would cause the media layer to relax and constrict, as they do in the human body.

This illustration is a montage of photographs, taken from Figure 4 of «Testing Turing's Theory of Morphogenesis in Chemical Cells,» depicting the evolution of physical morphogenesis from an initial homogeneous state (upper left, same volume and color) through a chemically heterogeneous state (center, same volume but different colors) and into a chemo - physical heterogeneous state (lower right, different volumes and colors).

Rather than ordinary spot - testing approaches, which look for unnatural ratios between biological constituents in a single sample or for direct chemical evidence of known doping agents, the passport allows investigators to see the big picture — any deviations from the rider's test - established norm that might result from doping, even if the specific drug or tactic remains unknown.

Building on previous work from Yuan's lab showing that the activity of RIPK1 could be blocked by a chemical called necrostatin - 1, the research team tested how ALS cells in lab dishes would respond to the same treatment.

More than one - third of the tested products contained the same carcinogenic chemical that was removed from children's pajamas in the late 1970s.

Kasting, who is collaborating with Arne Naegel and Gabriel Wittum from Goethe University in Frankfurt, Germany, for this research, says mathematical modeling allows scientists to test chemical compounds virtually, in place of human or animal testing.

To test whether the fava plants were truly communicating through the roots, the researchers covered all three groups of plants in polyester bags, preventing them from talking via airborne chemicals — another way plants can exchange information.

For instance, pharmacologist Andrew Holt and his team at the University of Alberta in Canada recently discovered that chemicals released from disposable plastic test tubes interfered with a Parkinson's drug they were testing by binding to the gamma - aminobutyric acid proteins in the experiment.

Further testing in the laboratory dish showed that hematopoietic stem cells from the sleep - deprived mice responded less strongly than their peers to naturally occurring chemical signals that trigger cellular migration.

The researchers performed a number of tests to eliminate the possibility of contamination from modern wheat, including trying to sequence DNA from the chemical solutions it used in the experiments, but no plant sequences were detected.

Because of this lapse, WatchFrog is targeting its tests to OECD guidelines, which define hormone disruptors as chemicals that can disrupt the ability of a fish to produce eggs or change sex or prevent a tadpole from metamorphosing.

Researchers monitor chemical emissions from an ordinary office desk, chair, rug and clothing in a small, stainless steel test chamber at the Georgia Tech Research Institute in Atlanta, Ga..

Many of these studies relied on microscopes and chemical or DNA tests to detect parasites and their eggs in soil from grave sites and public latrines.

Scientists say their findings could be used alongside a chemical test to monitor whether methane at gas extraction sites has escaped from deep shale.

The increase in medical radiation exposure (from 0.53 mSv to 3.0 mSv) stemmed primarily from a rise in the use of computer tomography (CT) scans (which use x-rays to create cross sectional images of inside the body to spot tumors, clogged arteries, among other things), and nuclear imaging tests, which involve injecting radioactive chemicals into the bloodstream that can be picked up by special instruments and used to create images of the body's inner structures.