Sentences with phrase «dust samples»

A new study fails to find evidence of dust mites in dust samples from most of the west.

We demonstrate an alternative approach based on DNA sequencing analyses of the fungal diversity found in dust samples.

We brought back moon rocks & moon dust samples.

A 2011 study compared dust samples from homes with dog breeds reported to be hypoallergenic and those of homes with other dogs.

Scientists collected dust samples from private homes occupied by both smokers and non-smokers.

On September 12, a regional EPA office volunteered to send 30 to 40 electron microscopes to Ground Zero to test bulk dust samples for the presence of asbestos fibers, according to EPA whistle - blower Cate Jenkins, yet the local EPA office declined the offer, opting for the less effective polarized light microscopy testing method instead.

In addition, 25 percent of dust samples contained asbestos, a potent carcinogen.

Generate and evaluate lists of chemical features in dust samples using non-targeted analysis approaches.

«Ultimately, we want to have an online tool for law enforcement to run the results of dust samples taken from a piece of clothing, a body, or a vehicle, and get information on where the clothing, body, or vehicle has been,» Grantham says.

Extracts from seven of the 11 dust samples triggered the pre-adipocytes to develop into mature fat cells and accumulate triglycerides.

They found similar proportions of lead in atmospheric mineral dust samples collected in Switzerland.

«Residual effects would be due to long glass fibers and cement particles,» notes Lioy, who still uses 10 - year - old dust samples to teach students how to measure toxicants.

The types of bacteria found in interior dust samples largely depended on the ratio of male to female residents and on the presence of pets such as dogs and cats, he and his colleagues report online today in the Proceedings of the Royal Society B.

NASA's Stardust spacecraft captures the first - ever comet dust samples, along with close - up views of the pockmarked comet Wild 2.

To identify the major sources of pollution, she and her colleagues collected air and dust samples inside newly - renovated subsidized housing in the City of Boston, before and after residents moved in.

«Researchers can trace dust samples using fungal DNA.»

Led by PNNL, the cross-functional research team, working under a measurements - to - modeling paradigm, investigated the ice nucleating properties for different dust samples affected by another kind of pollution.

Can f 1 levels in settled floor dust samples were lower for Labradoodles, but no differences were found between the other groups.

He then dusted the samples with pigment, employing them as stencils of sorts, to create silhouettes of important state flora.

Dust cleanup is required as part of all abatements, as is final lead dust sample testing.

The researchers collected dust samples from the homes of 140 study subjects: 70 with PTC and 70 individuals without evidence of thyroid disease or cancer as control subjects.

The project collected dust samples from approximately 1,000 homes across the continental U.S., including samples from 47 of the 48 contiguous states.

Upon their re-entry into the planet's atmosphere (and, you know, the country), Aldrin and company had to declare their cargo — moon rock and moon dust samples — and confirm that none of them had any bouts of illness while en route.

Higher concentrations of cockroach, mouse and cat allergens present in dust samples collected from the children's homes during the first three years of life (at age 3 months, 2 years and 3 years) were linked to a lower risk of asthma by age 7 years.

Only one dust sample had no effect.

And in those dust samples the EPA did collect and analyze in the first week after the attacks, 25 percent showed asbestos levels above the 1 percent threshold that indicates «significant risk,» according to the EPA.

The researchers examined exposure to carcinogen N - nitrosamines and tobacco specific nitrosamines (TSNAs) in the dust samples.

Stapleton and colleagues found that dust samples collected from homes and offices had components that activated a protein called PPAR - gamma1.

They tested the children for allergies, collected dust samples from the children's homes to measure allergen levels, and interviewed each family about the child's asthma symptoms every 3 months for a year.

Visits were made to all homes at the beginning, middle, and end of the study, to collect dust samples and have parents respond to questionnaires about their dust mite reduction behaviors.

With the help of citizen scientists, researchers from North Carolina State University and the University of Colorado Boulder analyzed arthropod DNA found in 732 dust samples collected from interior door frames throughout the U.S. Amid their data on many other species, the scientists found that the eastern U.S. and the West Coast are dust - mite utopias, whereas much of the western interior may be a comparative desert.

The researchers developed a model that analyzed the fungal taxa present in a dust sample and predicted where the sample came from.

The goal of that project was to test the dust samples for DNA to identify the microbial species present in and around our homes.

«Based on that finding, we wanted to determine if you could predict where a dust sample came from based on the fungi present in the sample, and — most of the time — we can,» Grantham says.

Researchers from North Carolina State University and the University of Colorado, Boulder, have developed a statistical model that allows them to tell where a dust sample came from within the continental United States based on the DNA of fungi found in the sample.

The preliminary findings of the study are based on an analysis of microscopic particles collected by NASA's Stardust mission launched in 1999 to collect dust samples from the comet Wild 2 and return them to Earth for study.

The Stardust spacecraft used giant tiles made out of aerogel and aluminium foil to collect the dust samples.

Methods to detect selected potential mammary carcinogens and endocrine disruptors in commercial and residential air and dust samples.

Stardust Spacecraft was the first sample return mission to collect dust samples from the coma of a comet and return these to Earth.

Dust samples were collected weekly from the housing air extract filters, as above.

Yes, Horinko admits, the EPA did find asbestos in the dust samples.

If you were to take a dust sample from any home and send it to a lab, you'd almost certainly find phthalates,» says Barrett.

«You would not believe the number of allergens I find in closets,» says May, who has taken air and dust samples from hundreds of them.

And consider this: a 2016 study led by researchers at the George Washington University Milken Institute of Public Health found that typical house dust contains 45 toxic chemicals, and that 90 % of the dust samples contained 10 extremely harmful chemicals that are known to cause cancer, hormonal disruption, reproductive harm, and nervous system toxicity.

The new study appears to confirm the suspicion of the dangers of BFRs because cat food, blood samples and dust samples were taken at the same time from households of participating healthy Swedish kitties.

As part of this study, dust samples from homes of 173 one - dog families were collected, and 163 of them produced levels of the major dog allergen, Canis familiaris 1, or Can f 1.