Articles tagged with Particulate Matter
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A recent study found that exposure to fine particulate matter is associated with a higher degree of albuminuria and a higher risk of developing chronic kidney disease. The study suggests that efforts to improve air quality may yield health benefits, including reducing rates of chronic kidney disease.
A new study from the University of Surrey found that Cairo car drivers are exposed to dangerous levels of air pollution, particularly in cross-city routes. Drivers who leave their windows open can be exposed to 65% more PM10 and 48% more PM2.5 than those with windows closed and AC on.
A team of researchers at the University of Pennsylvania found that when particles are wet and dry, thin solid bridges formed between larger clumps increase aggregates' stability. The size of particles plays a crucial role in determining how strongly they stick together.
A recent nationwide monitoring campaign in China found that fine particulate matter (PM1) is strongly correlated with cardiovascular disease, with a 21% higher risk compared to larger particles. The study suggests that PM1 can more easily deposit in the lungs and circulation, increasing health risks.
A new study found a significant association between fine particulate matter PM2.5 and out-of-hospital cardiac arrests, with increased risks even at low concentrations. The nationwide Japanese study, the largest of its kind, highlights the urgent need to improve air quality and reduce cardiovascular impacts.
A study published in the Journal of Allergy and Clinical Immunology found that people living in areas with high levels of fine particulate matter (PM2.5) and nitrogen dioxide (NO2) experience more severe rhinitis symptoms, including nasal congestion and sneezing.
A comprehensive study by the University of Surrey shows that local activities like construction, vehicle traffic, and domestic heating contribute significantly to Delhi's high air pollution levels. The research highlights a clear trend with higher pollutant levels in winter months, mainly due to crop burning and biomass burning.
A new study has found that metal particles from brake pads can cause inflammation and reduce the ability of immune cells to kill bacteria, similarly to diesel exhaust. Brake dust is estimated to contribute up to 20% of total PM2.5 traffic pollution.
A new study has found an association between exposure to air pollution and poor bone health. Fine particles in the air were linked to lower levels of bone mass, while biomass fuel use was not correlated. The study's findings contribute to a growing body of evidence on the impact of particulate air pollution on bone health.
A new analysis found that people exposed to higher levels of air pollution are more likely to experience depression or die by suicide. Reducing global average exposure to fine particulate matter (PM2.5) could result in a 15% reduction in depression risk worldwide.
A graduate student at the University of Tennessee has developed a new nanocellulose-based material that provides outstanding air filtration performance, with potential to remove over 99% of fine particles in air. The filter is cost-effective and environmentally friendly, making it highly promising for indoor air purification applications.
Studies use portable sensor technology and cellphone apps to measure air pollutant exposure, providing insights into reducing public health risks. Key findings include increased risks of respiratory diseases in children exposed to air pollution.
Fine particulate air pollution has been linked to several common diseases that cause hospitalizations, including septicemia, fluid and electrolyte disorders, renal failure, and skin and tissue infections. The study found substantial health care and economic costs associated with even small increases in PM2.5 exposure.
A new UCL-led study found that living in a more polluted area is associated with a greater likelihood of having glaucoma, a debilitating eye condition that can cause blindness. People in areas with high levels of fine particulate matter pollution were 6% more likely to report having glaucoma than those in less-polluted areas.
A study from 2013-2017 found that China's strict clean air policies led to a significant decrease in particulate matter exposure. The policy changes resulted in an estimated 370,000 deaths avoided annually due to improved air quality.
Research found that maternal exposure to particulate air pollution during pregnancy is associated with decreased heart rate variability in six-month-old infants. This decrease in heart rate variability is a known risk factor for mental and physical health problems later in life.
A Swedish study found that long-term exposure to traffic exhaust at home increases the risk of stroke in low-pollution environments. The researchers discovered that black carbon from traffic exhaust was the primary culprit, with a 4% increased risk for every 0.3 micrograms per cubic meter.
A study found that fine particulate matter increased by 5% between 2016-2018, leading to 9,700 additional premature deaths and $89 billion damages. The rise was associated with economic activity, wildfires, and decreased enforcement of the Clean Air Act.
New studies from Princeton University reveal that individual grains of clay and human skin shrink as they dry, leading to predictable cracking patterns. This knowledge enables the creation of advanced materials with spontaneous healing properties.
Research shows exposure to air pollutants like particulate matter is linked to decreased levels of proteins responsible for hair growth and retention. The study found that higher concentrations of PM10-like dust and diesel particulate led to greater decreases in these proteins.
Researchers are developing a bulletproof vest that can sense the speed and angle of impact, then change its properties to absorb the force. The technology could also protect buildings, satellites and spacecraft from space junk and meteorites.
Researchers at Max Planck Institute for Chemical Physics of Solids spot axion particles in correlated Weyl semimetal (TaSe2I) below -11 °C. The discovery reveals novel properties of axion particles, which can conduct electrical current in a distinct manner from electrons.
Shear-thickening fluids can be manipulated using ultrasonic waves to soften them, opening up new applications for materials like concrete and ceramics. The approach uses acoustic transducers to break force chains responsible for thickening, allowing for dynamic tuning of the material.
Researchers evaluated China's success in controlling coal-fired power plant (CPP) emissions, finding significant reductions in air pollution and premature deaths since 2005-2020. The upgrading of end-pipe control facilities and early retirement of small units led to substantial emissions reductions.
A recent study updated damage estimates of fine particulate matter in the United States, revealing a nationwide total GED attributable to economic activity decreased by over 20% between 2008 and 2014. The largest GED was found in agriculture, while manufacturing and transportation accounted for 75% of damages.
Air pollution from fine particulate matter is associated with premature mortality, with the US economy suffering $20 billion in damages annually. Policymakers should consider regulations that target the agriculture and transportation sectors to mitigate this issue.
A new international study found a link between air pollution and increased mortality rates, particularly among Australians who are more sensitive to particulate matter. The study, published in the New England Journal of Medicine, analyzed data from 652 cities across 24 countries and regions.
A new study found that lower air pollution levels in New York State led to a 67% decrease in premature deaths between 2002 and 2012. Long-term exposure to PM2.5 is linked to respiratory and cardiovascular problems.
A study in northern China suggests replacing solid fuels with electricity or natural gas can substantially reduce air pollution emissions and wintertime indoor particulate matter concentrations. Successful replacement of 60% or more households could lead to significant health benefits, lowering PM levels from 209 μg/m3 to 125 μg/m3.
Researchers have pinpointed the source of acoustic signals emitted by stressed faults in a numerical model, which could lead to more accurate earthquake predictions. The study reveals that the collapse of stress chains inside an earthquake gouge emits these signals.
A study of 5,531 adults in peri-urban villages near Hyderabad found that long-term exposure to fine particulate matter (PM2.5) increased hypertension prevalence by 4% in women, with significant associations with systolic and diastolic blood pressure.
A NIOSH-funded study is assessing how dental professionals come into contact with vapors, gases, and airborne dusts in clinics. The researchers will measure the size and concentration of particulates in real-time during common dental procedures.
A study published in Environment International found that exposure to airborne metal pollution is associated with an increased risk of mortality. The research used moss samples to estimate human exposure to metal particles and found that participants exposed to higher concentrations of anthropogenic metals had a higher risk of death.
A Texas A&M University study found that particulate matter in the atmosphere can cause birth defects, fatalities, and damage to organs in adult rats. High levels of fine particulate matter were detected in Asia, Houston, and Los Angeles, posing a significant health risk to millions worldwide.
Exposure to fine particulate matter during pregnancy impairs fetal development, leading to smaller organs and metabolic disorders in adulthood. The study highlights the importance of reducing prenatal air pollution exposure to prevent long-term health consequences.
Residents of historically redlined neighborhoods are more than twice as likely to visit emergency rooms for asthma, with significantly higher levels of diesel particulate matter in the air. Poverty and psychosocial stresses associated with living in divested neighborhoods also contribute to the disparity.
A new analysis suggests that eliminating emissions from dirty household fuels like wood, dung, coal, and kerosene could bring India's outdoor air pollution levels below the country's standard. This could reduce air pollution-related deaths by approximately 13% and save around 270,000 lives annually.
A new forecasting system provides 72-hour forecasts of fine particulates in New Delhi, helping officials and residents plan to reduce exposure to unhealthy air. The system uses measurements, computer modeling, and statistical techniques, improving accuracy but requiring refinement for precise pollutant levels.
Reducing household fine particulate matter (PM2.5) emissions in India could decrease mean annual ambient PM2.5 exposure by over 17%, averting premature mortality and meeting the national air quality standard for 103 additional districts. Complete mitigation of emissions from cooking alone would be necessary to achieve this goal.
A US study estimates that location-specific air pollution damages result in nearly 107,000 premature deaths annually, with a societal cost of $886 billion, highlighting the need for location-specific emissions mitigation efforts.
Proposed EPA changes to causality framework, promoted by Tony Cox, raise concerns about the agency's ability to protect public health. The new approach requires direct evidence of causation from epidemiological studies, which is unattainable with observational data.
Reduced NOx emissions lower particulate matter production through decreased oxidant abundance. Atmospheric autoxidation of plant compounds decreases with NOx reductions, consistent with US observations from 1990 to 2010.
A recent study found that short-term wood burning in small-scale room heaters and sauna stoves significantly increased residents' daily exposure to particulate air pollution. The study highlights the importance of natural ventilation in reducing indoor levels of hazardous particles.
Researchers from University of Colorado at Boulder found that daily household activities like cooking and cleaning release high levels of airborne chemicals, contributing to indoor and outdoor air quality. The study highlights the importance of proper ventilation in homes to minimize health impacts.
A study by San Francisco State University researchers used satellite data to track oil industry 'flaring', a practice that burns off unwanted natural gas and contributes to greenhouse gas emissions. The study found over 43,000 flares in south Texas, with most associated with fracking operations.
A new model developed by the University of Illinois predicts how ground shipping will affect future human health and the environment. The study found that a carbon tax could lead to a 24% reduction in greenhouse gas emissions, while enforcing truck fleet maintenance could cut particulate emissions by one-third by 2050.
A breakthrough discovery has identified new links between natural air pollutants and manmade emissions, which could lead to more accurate climate-related legislation. The study found that particles formed from a mixture of natural and man-made vapours are significantly reduced compared to individual components.
A study of air pollution and respiratory emergency room visits found associations between ozone, fine particulate pollution, and increased ER visits for asthma, COPD, and pneumonia, varying by age group and pollutant level. The study suggests that protecting vulnerable populations from air pollution is crucial.
Researchers found that a reduction in PM 2.5 concentrations in eastern China has led to an increase in ground-level ozone pollution, particularly in large cities. The study suggests that extra efforts are needed to reduce NOx and VOC emissions to stem the tide of ozone pollution.
Summer surface ozone levels in China rose in four major cities between 2013 and 2017 due to decreasing particulate matter emissions. This increase can slow the natural cleanup of hydroperoxy radicals from aerosols, sparking concerns about anthropogenic ozone precursor emissions.
Researchers at Ohio State University found that mice exposed to polluted air before conception had heart problems and impaired function in their offspring. The study suggests that pollution-related cardiovascular disease may start even before conception.
The formation of secondary particulate matter in the atmosphere is still not fully understood. Alexander Vogel's research aims to identify its sources and improve air quality by analyzing molecular fingerprints from atmospheric samples.
Researchers found that using low-cost portable air purifiers at home significantly lowered urban seniors' fine particulate matter exposure and blood pressure. The study showed a 40% reduction in air pollutant exposure and an average of 3.4 mm Hg decrease in systolic blood pressure.
Researchers in South India measured personal exposure to fine particulate matter using a combination of techniques, finding significant differences between men and women. Men showed higher levels of personal exposure throughout the day, while women's exposures were related to cooking and industrial activities.
A study by Rice University researchers found that Texas would be healthier with stronger limits on sulfur dioxide emissions from coal plants. The study analyzed 13 coal plants and concluded that particulate matter is the deadliest air pollutant, causing respiratory diseases, heart attacks, and strokes.
A study published in Environmental Health Perspectives found that air pollution from ozone and fine particulate matter may be responsible for nine to 33 million emergency room visits globally. The research suggests that policies aimed at cleaning up the air can reduce the global burden of asthma.
A study by the University of Leeds reveals a 20% decrease in particulate pollution concentrations across China between 2015 and 2017. Concentrations of fine particulates fell by 7.2% per year, while those of sulphur dioxide decreased by 10.3%. However, ozone concentrations increased by 5% over the same period.
A research team, led by Anil Misra from the University of Kansas, is developing a center to advance basic science for next-generation transport technology. The team aims to create intelligent infrastructure for safe, efficient mobility, reducing accidents and pollution.
A two-year study found that indoor HEPA filters significantly reduce fine-particulate matter in the air, with a 55% reduction in PM2.5 levels when used during poor air quality days.
A Stanford study has mapped the human exposome, a dynamic cloud of microbes, chemicals, and particulates that surround us. The research provides unprecedented detail on the variety of biological and chemical exposures at an individual level, offering new insights into human health and environmental influences.