Current Particulate Matter News and Events

Current Particulate Matter News and Events, Particulate Matter News Articles.
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The invisible smallest particles matter for the air we breathe
Researchers of the University of Helsinki have resolved for the first time, how the ultrafine particles of atmosphere effect on the climate and health. (2021-02-23)

For selenium in rivers, timing matters
Researchers have gained new insight into an ongoing environmental health problem. (2021-02-23)

Scientists propose a new heavy particle similar to the Higgs boson
Unlike the Higgs boson, discovered at CERN's Large Hadron Collider in 2012 after a 40-year quest, the new particle proposed by these researchers is so heavy that it could not be produced directly even in this collider The University of Granada is among the participants in this major scientific advancement in Theoretical Physics, which could help unravel the mysteries of dark matter (2021-02-23)

Long-term exposure to low levels of air pollution increases risk of heart and lung disease
Analysis of records for more than 63 million Medicare enrollees from 2000 to 2016 finds long-term exposure to air pollution had a significant impact on the number of people hospitalized for cardiac and respiratory conditions. Researchers examined three components of air pollution: fine particulate matter, nitrogen dioxide and ozone. Even levels lower than national standards affected heart and respiratory illnesses. (2021-02-22)

How outdoor pollution affects indoor air quality
Just when you thought you could head indoors to be safe from the air pollution that plagues the Salt Lake Valley, new research shows that elevated air pollution events, like horror movie villains, claw their way into indoor spaces. (2021-02-22)

Giving oxygen to the question of air quality
Volatile alkanes can rapidly acquire oxygen atoms in a free radical chain reaction, a process significant for fuel combustion and air pollution. (2021-02-18)

Shale gas development in PA increases exposure of some to air pollutants
Air pollution levels may have exceeded air quality standards during the development of some Marcellus Shale natural gas wells in Pennsylvania, potentially impacting more than 36,000 people in one year alone during the drilling boom, according to Penn State scientists. (2021-02-18)

Scientists develop blood test to predict environmental harms to children
Scientists at Columbia University Mailman School of Public Health developed a method using a DNA biomarker to easily screen pregnant women for harmful prenatal environmental contaminants like air pollution linked to childhood illness and developmental disorders. This approach has the potential to prevent childhood developmental disorders and chronic illness through the early identification of children at risk. (2021-02-17)

COVID-19 associated with leukoencephalopathy on brain MRI
According to an open-access article in ARRS' American Journal of Roentgenology (AJR), COVID-19-related disseminated leukoencephalopathy (CRDL) represents an important--albeit uncommon--differential consideration in patients with neurologic manifestations of coronavirus disease (COVID-19). (2021-02-17)

USC biologists devise new way to assess carbon in the ocean
A new study by USC scientists explains how marine microbes control the accumulation of carbon matter with important implications for global warming. (2021-02-16)

The smallest galaxies in our universe bring more about dark matter to light
Our universe is dominated by a mysterious matter known as dark matter. Its name comes from the fact that dark matter does not absorb, reflect or emit electromagnetic radiation, making it difficult to detect. (2021-02-16)

Electricity source determines benefits of electrifying China's vehicles
Researchers have concluded air quality and public health benefits of EVs -- as well as their ability to reduce carbon emissions -- in China are dependent on the type of transport electrified and the composition of the electric grid. (2021-02-16)

Regular caffeine consumption affects brain structure
Coffee, cola or an energy drink: caffeine is the world's most widely consumed psychoactive substance. Researchers from the University of Basel have now shown in a study that regular caffeine intake can change the gray matter of the brain. However, the effect appears to be temporary. (2021-02-15)

Study shows airborne particulate matter is also contaminated with tobacco smoke-driven particulates
After 30 years, Dr Noel Aquilina, alongside world renowned tobacco smoke-related researchers, Emeritus Professor Neal L. Benowitz and Dr Peyton Jacob III from the University of California San Francisco (UCSF), USA and atmospheric chemist and Fellow of the Royal Society, Professor Roy M. Harrison, from the University of Birmingham, UK, ended the wait for the elusive marker! (2021-02-12)

Swirlonic super particles baffle physicists
We report a novel state of active matter--a swirlonic state. It is comprised of swirlons, formed by groups of active particles orbiting their common center of mass. (2021-02-11)

Combination of pine scent and ozone as super source of particulate emissions
Scientists have managed to figure out why conifer forests produce so many fine particles into the atmosphere. Aerosol particles are particularly abundant when ?-pinene, the molecule responsible for the characteristic pattern of pine trees reacts with atmospheric ozone. (2021-02-11)

Climate research: rapid formation of iodic particles over the Arctic
When sea ice melts and the water surface increases, more iodine-containing vapours rise from the sea. Scientists from the international research network CLOUD have now discovered that aerosol particles form rapidly from iodine vapours, which can serve as condensation nuclei for cloud formation. The CLOUD researchers, among them scientists from the Goethe University Frankfurt, fear a mutual intensification of sea ice melt and cloud formation, which could accelerate the warming of the Arctic and Antarctic. (2021-02-11)

The role of nanobacteria in the organic matter cycle in freshwater systems
A team of scientists including researchers from Baltic Federal University studied freshwater microorganisms that can pass through biological filters. These microorganisms are understudied but were believed to play an important role in the biosphere. However, experiments showed that they had only a minor impact on the cycle of dissolved organic matter. (2021-02-10)

Astronomers offer possible explanation for elusive dark-matter-free galaxies
A team led by astronomers at the University of California, Riverside, has found that some dwarf galaxies may today appear to be dark-matter free even though they formed as galaxies dominated by dark matter in the past. (2021-02-09)

New research reveals drivers of regionally different ozone responses to the COVID-19
Professor Ding Aijun explored global air-quality changes during COVID-19 lockdowns and regional disparities in O3 responses to emission reductions. They integrated multiple observational datasets, including global air quality monitoring network and satellite retrievals, to shed more light on the regional differences in interactions between emissions, atmospheric chemistry, and meteorological conditions. (2021-02-07)

Establishment testing standards for particulate photocatalysts in solar fuel production proposed
Recently, an international research team initiated the establishment of international efficiency accreditation and testing protocols for particulate photocatalysts toward solar fuel production. (2021-02-05)

COVID-19: Schools urgently need guidelines on improving ventilation in classrooms
There is an urgent need for guidelines on how schools can use ventilation to reduce the risk of COVID-19 transmission in the classroom, according to doctors at Imperial College London and the headteacher of a secondary school in Pinner, Middlesex. (2021-02-05)

A new tool in the search for axions
Researchers have discovered a new avenue to search for axions--a hypothetical particle that is one of the candidates of dark matter particles. The group, which usually performs ultra-high precision measurements of the fundamental properties of trapped antimatter, has for the first time used the ultra-sensitive superconducting single antiproton detection system of their advanced Penning trap experiment as a sensitive dark matter antenna. (2021-02-04)

Father's early-life exposure to stress associated with child's brain development
The FinnBrain research of the University of Turku has demonstrated for the first time that the stress the father has experienced in his childhood is connected to the development of the white matter tracts in the child's brain. Whether this connection is transmitted through epigenetic inheritance needs further research. (2021-02-04)

New methods for exploring the 'dark matter' of biology
New tools and methods have been described by WEHI researchers to study an unusual protein modification and gain fresh insights into its roles in human health and disease. The study - about how certain sugars modify proteins - was published today in Nature Chemical Biology. Led by WEHI researcher Associate Professor Ethan Goddard-Borger, this work lays a foundation for better understanding diseases like muscular dystrophy and cancer. (2021-02-04)

Study reveals how air pollution may increase the risk of cardiovascular disease
A new study has found a link between high levels of air pollution at an individual's home address and an elevated risk of developing cardiovascular disease. Air pollution exposure appears to heighten the production of inflammatory cells in the bone marrow, triggering inflammation of the arteries. (2021-02-04)

Student astronomer finds galactic missing matter
Half of the universe's matter is 'missing', but PhD student Yuanming Wang has developed an ingenious method to help track it down. She has done this using distant galaxies as 'locator pins' to detect an otherwise 'invisible' cold clump of gas just 10 light years from Earth. (2021-02-04)

Air pollution poses risk to thinking skills in later life, a study says
Exposure to air pollution in childhood is linked to a decline in thinking skills in later life, a study suggests. A greater exposure to air pollution at the very start of life was associated with a detrimental effect on people's cognitive skills up to 60 years later, the research found. (2021-02-02)

Extreme UV laser shows generation of atmospheric pollutant
Hokkaido University scientists show that under laboratory conditions, ultraviolet light reacts with nitrophenol to produce smog-generating nitrous acid. (2021-02-02)

Astronomers detect extended dark matter halo around ancient dwarf galaxy
Findings suggest the first galaxies in the universe were more massive than previously thought. (2021-02-01)

Searching for dark matter through the fifth dimension
Theoretical physicists of the PRISMA+ Cluster of Excellence at Johannes Gutenberg University Mainz are working on a theory that goes beyond the Standard Model of particle physics. The central element is an extra dimension in spacetime. Until now, the scientists have faced the problem that the predictions of their theory could not be tested experimentally. They have now overcome this problem in a publication in the current issue of the European Physical Journal C. (2021-02-01)

Study links intensive BP lowering to reduced CV risk in patients exposed to air pollution
In the study 'The Benefits of Intensive Versus Standard Blood Pressure Treatment According to Fine Particulate Matter Air Pollution Exposure' published this week in the journal Hypertension, researchers at University Hospitals (UH) and Case Western Reserve University (CWRU) School of Medicine found intensive BP lowering is effective in reducing cardiovascular risk in patients exposed to high levels of air pollution. (2021-02-01)

How heavy is dark matter? Scientists radically narrow the potential mass range for the first time
Scientists have calculated the mass range for Dark Matter - and it's tighter than the science world thought. (2021-01-27)

Precision measurements of intracluster light suggest possible link to dark matter
Faint light from rogue stars not bound to galaxies has been something of a mystery to scientists. The dimness of this intracluster light makes it difficult to measure, and no one knows how much there is. Scientists on the Dark Energy Survey, led by Fermilab, have made the most radially extended measurement of this light ever, and they've found that its distribution might point to the distribution of dark matter. (2021-01-27)

Melatonin produced in the lungs prevents infection by novel coronavirus
The hormone acts as a barrier against SARS-CoV-2, blocking the expression of genes that encode proteins in cells serving as viral entry points, according to a study by researchers at the University of São Paulo. (2021-01-27)

Multiple sclerosis: Immune cells silence neurons by removing synapses
Damage to the brain gray matter plays an important role in the progression of multiple sclerosis. This study now shows that such damage can be caused by inflammatory reactions that lead to loss of synapses, which impairs neural activity. (2021-01-26)

Air pollution linked to higher risk of sight loss from AMD
Air pollution is linked to a heightened risk of progressive and irreversible sight loss, known as age related macular degeneration (AMD), reveals a large long term study led by UCL researchers, published in the British Journal of Ophthalmology. (2021-01-25)

Internet and freedom of speech, when metaphors give too much power
Since 1997, when the US supreme court metaphorically called the Internet the free market of ideas, attempts at regulation have been blocked by the 1st amendment. But with power concentrated in a few platforms, that metaphor is now misleading, says a study by Bocconi's Oreste Pollicino (2021-01-21)

Alpha particles lurk at the surface of neutron-rich nuclei
Scientists from an international collaboration have found evidence of alpha particles at the surface of neutron-rich heavy nuclei, providing new insights into the structure of neutron stars, as well as the process of alpha decay. (2021-01-21)

Eggs reveal what may happen to brain on impact
Our brains consist of soft matter bathed in watery cerebrospinal fluid inside a hard skull, and in Physics of Fluids, researchers describe studying another system with the same features, an egg, to search for answers about concussions. Considering that in most concussive brain injuries, the skull does not break, they wanted to find out if it was possible to break or deform the egg yolk without breaking the eggshell. (2021-01-19)

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