Ultrafine Particles and the Potential Risks of without
A 3D study of desktop 3D printers reveals that ultrafine particles may be emitted during the 3D process.
Health effects of ultrafine particles: a systematic literature …
Objectives: Due to their small size, ultrafine particles (UFP) are believed to exert higher toxicity than larger particles. As numerous studies on health effects of UFP have been published since the last systematic review in 2013, …
Multiple semi-coherent particles strengthened ultra-fine …
Multiple semi-coherent particles strengthened ultra-fine-grained Al composites for neutron shielding materials. Author links open overlay panel Chen Yang a b, Jie Huang a b, Jing Dai a b, Kangbao Wang a b c, ... In detail, the microstructure consists of …
The health effects of ultrafine particles
Ultrafine particles (PM[0.1] ), which are present in the air in large numbers, pose a health risk. They generally enter the body through the lungs but translocate to essentially all organs. Compared to fine particles (PM[2.5] ), they cause more pulmonary ...
Ultrafine particles
What are ultrafine particles? The term ultrafine particles (UFPs) refers to airborne particulate matter smaller than 0.1 micron in diameter (sometimes called PM0.1).
MIPELON™ | MITSUI CHEMICALS AMERICA, INC.
MIPELON™ is a very fine particle, ultra-high molecular weight polyethylene powder with a diameter range of 10µm - 30µm. More spherical particles of MIPELON contribute to enhance the lubricity as an additive for compounding of rubbers and engineering plastics as well as work as a key-element for coatings.
Ultrafine particles in concrete: Influence of ultrafine particles …
Most of the available models take only the aggregates into consideration and ignore the finer particles. But it is the fine particles which allow for workability of concrete in the fresh state and ...
Filtrete™ Smart MPR 2500 Premium Allergen & Ultrafine Particles …
Optimize HVAC system performance with optimal filter change using the Filtrete™ Smart Air Filter and Filtrete™ Smart App. The Smart Air Filter uses data from your homes HVAC system to track its remaining life and the filter captures microscopic particles, like smoke, bacteria, viruses, as well as large particles like dust, mold spores, and pollen.
Ultrafine particles linked to over 1,000 deaths per year in …
A new study conducted in Canada's two largest cities has linked about 1,100 premature deaths per year to an unregulated air pollutant. Ultrafine particles (UFPs) …
Ultrafine Particles
Ultrafine particles are generally defined as those that are less than 0.1 μm (less than 100 nm) in size. Airborne particles can be classified into three modes, according to
Ultra-Fine Particles | ScienceDirect
To publicize the achievements of the Ultra-Fine Particle Project, which was carried out under the auspices of the Exploratory Research for Advanced Technology program (ERATO). In addition to the members of the Ultra-Fine Particle Project, contributions from other pioneers in this field are included.
Toxicity and health effects of ultrafine particles: Towards an
This literature review aims to summarize toxicological and epidemiological studies of the effect of ultrafine particles (UFPs), also called nanoparticles (NPs, <100 …
Aggregates characterizations of the ultra-fine coal particles …
Thus, the introduction of NBs inevitably enhances the flotation of hydrophobic ultra-fine coal particles, contributing to a greater flotation recovery and flotation kinetics, whereas NBs have little influence on hydrophilic particles. Given that the ultra-fine particles aggregates are critical to the final flotation performance, one of the main ...
Aggregation of ultra-fine scheelite particles induced by hydrodynamic
Hydrodynamic cavitation enhanced ultra-fine particles flotation could be mainly due to the generation of nanobubbles in the process of cavitation, and their role in bridging particles to form aggregates. In this paper, the aggregation behavior of ultra-fine scheelite particles induced by hydrodynamic cavitation was investigated.
Aggregation of ultra-fine scheelite particles induced by …
Hydrodynamic cavitation enhanced ultra-fine particles flotation could be mainly due to the generation of nanobubbles in the process of cavitation, and their role in bridging particles to form aggregates. In this paper, the aggregation behavior of ultra-fine scheelite particles induced by hydrodynamic cavitation was investigated.
UFP Monitoring: Fundamentals and More | TSI
TSI offers solutions for ultrafine particle monitoring, from taking a representative sample to quantifying PN and PSD. Find out more!
In-depth compositional analysis of water-soluble and
Ultra-high resolution FT-ICR mass spectrometry was used to study organic substances in fine airborne particles (PM 2.5).. Water-soluble and -insoluble organic compounds in PM 2.5 particles were comprehensively investigated.. In conjunction with FT-ICR MS data, GC×GC-TOFMS data were used to identify potentially hazardous …
Particle Pollution
Ultrafine particles (not shown) are smaller than 0.1 micron in diameter and are small enough to pass through the lung tissue into the blood stream, circulating like …
Communities around Sea-Tac Airport exposed to a unique …
"We found that communities under the flight paths near the airport are exposed to higher proportions of smaller-sized, 'ultra-ultrafine' pollution particles and over a larger area compared to pollution particles associated with roadways," said Edmund Seto, co-principal investigator and associate professor of environmental and …
NMR studies on the surface magnetism of vanadium ultra fine particles
The NMR studies were carried out on the ultra fine particles of vanadium. The observed signal with Knight shift 0.7% might arise form surface region s…
Adhesion effect analysis of ultra-fine lunar dust particles …
Investigation on the adhesion effect of lunar dust particles on contacting interface improves in lunar dust protection and prolongs the equipment service life. In this work, the contact mathematical adhesion model between an ultra-fine lunar dust particle and the aluminum-based rough surface is established based on the fractal theory.
Ultrafine particles: unique physicochemical properties …
Ultrafine particles (UFPs) are particles with an aerodynamic diameter of 0.1 µm (100 nm) or less 1, 2. Particles may be described in terms of surface area per …
Special issue on ultrafine particles: where are they from and …
This special issue, entitled 'ultrafine particles,' provides insights into current trending topics in the field of UFPs, including concepts, sources, physicochemical characteristics of UFPs and...
Ultrafine Particle Metrics and Research Considerations: …
1. Preface. In February 2015, the United States Environmental Protection Agency (EPA) sponsored a workshop in Research Triangle Park, NC, USA to review the current state of the science on emissions, air quality impacts, and health effects associated with exposures to ultrafine particles [].The workshop provided scientific presentations …
Novel conical section design for ultra-fine particles classification by
To overcome the limitation of the conventional hydrocyclone for the ultra-fine particles classification, the novel conical section design of the hydrocyclone is computationally investigated in this work.
Measurement of ultrafine particles at airports: A review
Concern about the health impact of exposure to ultrafine particles has prompted a large number of research studies in the last twenty years. Attention…
Ultrafine Condensation Particle Counter 3756 | TSI
This Condensation Particle Counter (CPC) is the long-standing reference for counting ultrafine particles down to 2.5 nm.
Sources, characteristics, toxicity, and control of ultrafine …
This paper presents an overview of emission sources, physicochemical characteristics, collection and measurement methodologies, toxicity, and existing control …
MEMS sensor for detection and measurement of ultra-fine particles
The fine and ultra-fine particles such as particulate matter (PM), ferrous particles, and nanoparticles are known to contaminate the atmosphere, fluids used in industrial machines, and food, respectively. The physical principles involved in the target particles accumulating on the sensor are presented. Micro-gravimetric resonators that …
Ultrafine particles in cities
Ultrafine particles (UFPs; diameter less than 100nm) are ubiquitous in urban air, and an acknowledged risk to human health. Globally, the major source…
Ultrafine particles/nanoparticles
Where do ultrafine particles come from and why should we be concerned about them? 15 September 2019. What are ultrafine particles? 15 September 2019. What advice would you give to local policy-makers if they wanted to conduct a health impact assessment? and other answers by Michal Krzyzanowski and Annette Peters.
Dust Control Solutions for Ultrafine and Fine Dust | RoboVent
If your processes create fine dust or ultrafine particulate, read on to learn the best way to control it. RoboVent offers the best fine dust collectors.
Experimental and theoretical studies of ultra-fine particle …
A cylindrical electrostatic precipitator (ESP) was used to investigate the applied voltage versus corona current characteristics and ultra-fine particle (diameter <0.1 μm) capture under controlled conditions.Corona currents were measured under various applied voltages for a one- and two-stage mode of operation.