• Volatile organic compounds (VOCs) are the key precursors of tropospheric ozone and contributors to the formation of secondary organic aerosols (SOAs). (aaqr.org)
  • He will apply different models to study the formation of secondary organic aerosols (SOA) at the SMEAR II in Hyytiälä and the SORPES station in Nanjing, China. (helsinki.fi)
  • Researchers evaluated the impact of age, body mass index, and gender on aerosol particles. (news-medical.net)
  • The efficacy of aerosol treatments depends mainly on adequate targeting of the aerosol particles to the inflamed airways. (snmjournals.org)
  • An aerosol is a suspension of solid or liquid particles in a gas, and includes both the particles and the suspending gas (Hinds, 1999). (nationalacademies.org)
  • Portable air filtration units, or air cleaners, remove airborne particles (called aerosols) from the air indoors. (cdc.gov)
  • The science of climate and climate change involves study of the interaction between clouds, atmospheric radiation and aerosol particles. (lu.se)
  • Hazardous anthropogenic aerosol particles constitute a major pollution component and cause a direct risk factor. (lu.se)
  • In the figure below, the part of the extinction coefficient that originates from aerosol particles is shown as a function of height and time for one measurement performed in a rural part of Sweden and one in an urban part of China. (lu.se)
  • abstract = "The chemical characteristics of organic aerosol (OA) are still poorly constrained. (edu.sa)
  • The degree of oxygenation of OA, as indicated by several parameters including the fraction of m/z 44 in organic mass spectra (f44), the elemental ratio of oxygen to carbon (O : C), and the carbon oxidation state (OSc), was evaluated against the odd oxygen (Ox) concentration, LWCfp, ionic strength (IS), and in situ pH (pHis). (edu.sa)
  • The first foggy period in late April saw a larger LWCfp and a lower Ox concentration and the OA were made up of ∼ 20 % semi-volatile oxygenated organic aerosol (SVOOA) as resolved by positive matrix factorization (PMF). (edu.sa)
  • 50 % low-volatility oxygenated organic aerosols (LVOOA). (edu.sa)
  • Simulated primary organic aerosols (POA), as well as other particulates and trace gases, in the vicinity of Mexico City are evaluated using measurements collected during the 2006 Megacity Initiative: Local and Global Research Observations (MILAGRO) field campaigns. (copernicus.org)
  • Since the emission inventories, transport, and turbulent mixing will directly affect predictions of total organic matter and consequently total particulate matter, our objective is to assess the uncertainties in predicted POA before testing and evaluating the performance of secondary organic aerosol (SOA) treatments. (copernicus.org)
  • Components of organic aerosols derived from Positive Matrix Factorization of data from several Aerodyne Aerosol Mass Spectrometer instruments deployed both at ground sites and on research aircraft are used to evaluate the model. (copernicus.org)
  • We have implemented and evaluated a secondary organic aerosol scheme within the chemistry transpo. (knmi.nl)
  • BACKGROUND: Automated aerosol puffers that release behaviorally active volatile organic compounds can be used to deter insect pests in crops. (usda.gov)
  • However, it is not totally obvious how one should correct for the forcing assumptions because of subtle issues related to the different efficacy of different forcings and, of course, the remaining uncertainty in the real value of the actual forcings (driven predominantly by the aerosol component). (realclimate.org)
  • Despite conflicting results about their efficacy, bronchodilator aerosols generated by jet nebulizers are still commonly used for treating bronchiolitis ( 1 ). (snmjournals.org)
  • During 2016, we tested the efficacy of aerosol puffer arrays emitting 1-octen-3-ol (octenol), at reducing Drosophila suzukii oviposition in fall-bearing primocane raspberries in Western New York State. (usda.gov)
  • It is now possible to evaluate the efficacy of aerosolized products intended to reduce or eliminate indoor airborne organisms in large indoor spaces such as arenas, hospitals, schools, transportation, and more. (element.com)
  • Efficacy of a Disinfectant Applied to a Room via a Fogging, Misting or Vaporizing Device for Disinfection (bactericidal/fungicidal/tuberculocidal) - The purpose of this assay is to evaluate the efficacy of a room disinfection system applied by a fogging, misting or vaporizing device for disinfection on hard, non-porous surfaces. (element.com)
  • Efficacy of extraoral suction devices in aerosol and splatter reduction during ultrasonic scaling: A laboratory investigation. (bvsalud.org)
  • Primary biological aerosol particle (PBAPs) have a distinctive role because they initiate both cloud droplets and, at remarkably warm sub-zero temperatures, ice crystals. (lu.se)
  • Diagnose interannual variations and trends in aerosols based on model simulations and other observation data, and applications to climate and other areas of long-range transport and deposition of aerosols. (usajobs.gov)
  • Poor total aerosol deposition in infants may be related as much to their small conducting airways as to the disease state. (snmjournals.org)
  • While climate networks provide data that can be used to evaluate the effect of warming on snowpack resources, there are no established regional networks for monitoring aeolian dust deposition to snow. (usgs.gov)
  • In this study, we test the hypothesis that chemistry of snow, wet deposition, and aerosols can be used as a surrogate for dust deposition to snow. (usgs.gov)
  • Spatial patterns in chemistry of snow, wet deposition, and aerosols indicate that dust deposition increases from north to south in the Rocky Mountains, and temporal trends indicate that winter/spring dust deposition increased by 81% in the southern Rockies during 1993-2014. (usgs.gov)
  • The model results are comprehensively evaluated with a large number of measurements including surface air concentrations and deposition fluxes. (lu.se)
  • Level-2 products will provide geophysical and microphysical parameters for aerosols and clouds. (eumetsat.int)
  • We assessed factors associated with adults' perceptions of harm related to children's exposure to secondhand aerosol from electronic vapor products (EVPs). (cdc.gov)
  • This study demonstrates that respiratory elimination is an important excretion pathway for this solvent, exhaled breath is an effective method to evaluate 1-BP exposure, and skin absorption may be an important route of exposure. (cdc.gov)
  • Important considerations in evaluating the effects of secondhand smoke include the magnitude of exposure to it, 1 how exposure can be measured, and how exposure changes with the implementation of smoking bans. (nationalacademies.org)
  • 10 The health effects of paediatric exposure to secondhand and thirdhand e-cigarette aerosols are also of concern. (bmj.com)
  • Air filtration units were widely used during large wildfire outbreaks in the western United States,[1] and their use surged nationwide during the COVID-19 pandemic as a way to reduce exposure to aerosols containing the SARS-CoV-2 virus. (cdc.gov)
  • Endoscopists and staff are at high risk of exposure to coronavirus through aerosols, as well as unintended, unrecognized splashes that are well known to occur frequently during routine endoscopy," Hakimian said during a virtual presentation at the annual meeting of the American College of Gastroenterology. (medscape.com)
  • VCE appears to be a safe alternative to traditional diagnostic evaluation of GI bleeding in the era of COVID," Hakimian concluded, noting that "the VCE-first strategy reduces the risk of staff exposure to endoscopic aerosols, conserves personal protective equipment, and reduces staff utilization. (medscape.com)
  • The main scientific interests are in atmospheric chemistry and aerosol dynamics, and how to apply machine learning and artificial intelligence techniques in this areas. (helsinki.fi)
  • Alexander Mahura's fields of research are modelling of atmospheric processes and transport of pollutants (including radionuclides) on local-meso-regional-hemispheric scales, on-line integrated meteorology-chemistry-aerosols modelling at regional-urban scales, impact of urban areas on meteorology and atmospheric composition, atmospheric chemistry, atmospheric boundary layer processes, environmental impact and risk assessment, fine-scale road weather forecasting, birch pollen modelling, numerical weather prediction, and statistics. (helsinki.fi)
  • Also, don't place any flammable items like paints, aerosol cans, or hand sanitizer near gas appliances. (lifehacker.com)
  • Data collection involves using two optical particle counters to measure aerosol concentrations inside and outside the cab during at least four different sessions. (nasdonline.org)
  • One objective is to evaluate exhaled breath concentrations of I-BP using a field practical collection method. (cdc.gov)
  • Therefore, in cable car cabins, open windows clearly help to reduce the risk of high aerosol concentrations. (empa.ch)
  • Here we clarify the role of SO2 in maintaining SAs by using new in situ SO2 measurements to evaluate climate models and satellite retrievals. (nasa.gov)
  • evaluate and improve the representation and aerosol-cloud interactions in climate. (usajobs.gov)
  • We evaluated these models both on how well modeled warming compared with observed warming after models were published, and how well the relationship between warming and CO 2 (and other climate forcings) in models compares to observations (the implied transient climate response) (see Figure). (realclimate.org)
  • Aerosol composition and associated spatial distribution are key parameters for the improvement of the air quality and climate products. (eumetsat.int)
  • It is a radiometer dedicated to aerosol and cloud characterisation for climate monitoring, atmospheric composition, air quality and numerical weather prediction. (eumetsat.int)
  • His interests include aerosol nucleation, aerosol-cloud-climate interactions and climate feedbacks and the main tools are global aerosol-climate models and Earth System Models. (helsinki.fi)
  • The Coronavirus Disease 2019 (COVID-19) pandemic has raised many questions about the transmission of the virus that causes COVID-19, SARS-CoV-2, including the possibility of aerosol transmission. (cdc.gov)
  • VCE should be considered even when rapid coronavirus testing is available, as active bleeding is more likely to be detected when evaluated sooner, potentially sparing patients from invasive procedures, reported lead author Shahrad Hakimian, MD , of the University of Massachusetts Medical Center, Worchester, and colleagues. (medscape.com)
  • It infers nearly 50 aerosol and surface parameters, including particle size distribution, the spectral index of refraction, and the degree of sphericity and absorption. (eumetsat.int)
  • Her main research interest is to use the aerosol box model and regional dispersion model coupled with aerosol sectional module to study the dynamics of the particle size distribution in urban environments. (helsinki.fi)
  • Here we present observation results of the degree of oxygenation of OA based on high-resolution time-of-flight aerosol mass spectrometry (HR-ToF-AMS) measurements made at a coastal site in Hong Kong from late April to the end of May in 2011. (edu.sa)
  • Global measurements of absorbing aerosol optical depth (AAOD) are scarce and mostly provided by t. (knmi.nl)
  • The information about the particle concentration is, however, not directly obtained from lidar measurements, but extensive signal processing is necessary to evaluate the results. (lu.se)
  • To analyze and research the Aerosol Container market by regions, type, companies, and applications. (digitaljournal.com)
  • By cleverly choosing a number (~20) of different wavelengths and using statistical methods to analyze the results the concentration of different species can be evaluated. (lu.se)
  • The purpose of the study was to evaluate nicotine levels and the presence of tobacco-derived toxins in tobacco-flavoured conventional and NET liquids. (mdpi.com)
  • The focus in his master thesis was on the development of the new Atmospherically Relevant Chemistry and Aerosol Box Model - ARCA box. (helsinki.fi)
  • Anticipate, recognize, evaluate, control, and confirm (ARECC) is a decision-making framework and process used in the field of industrial hygiene (IH) to anticipate and recognize hazards, evaluate exposures, and control and confirm protection from risks (Figure 1). (wikipedia.org)
  • No data are available on secondhand and thirdhand e-cigarette aerosol exposures in children. (bmj.com)
  • The retrieval provides extended set of aerosol and reflectance surface parameters. (eumetsat.int)
  • GRASP (Generalized Retrieval of Aerosol and Surface Properties) is a highly accurate aerosol retrieval algorithm that processes properties of aerosol and land surface reflectance. (eumetsat.int)
  • GRASP works under different conditions, including bright surfaces such as deserts, where the reflectance overwhelms the signal of aerosols. (eumetsat.int)
  • In the first stage, the simulation itself, the contribution of each scattering event to the total reflectance and transmittance is evaluated. (spie.org)
  • The propagation of pulsed laser radiation along the atmospheric ground paths containing droplet aerosols (fog, drizzle, rain) belongs to a class of problems in nonlinear optics in which the multiple-factor nature and nonadditivity of the processes affecting the transmission of the radiation channel are strongly pronounced. (spie.org)
  • This might occur when operators use the same equipment (e.g., a pH probe or transfer pump) before and after a virus clearance step without effective cleaning that equipment or when aerosols are created in different process steps in open processes in the same room. (bioprocessintl.com)
  • Reduced uncertainties in the production rates, as demonstrated in this study, improve the utility of 7Be and 10Be as aerosol tracers for evaluating and testing transport and scavenging processes in global models. (lu.se)
  • RESULTS: During 2016, we found that octenol application in the field via aerosol puffer systems resulted in a 20 % decrease in D. suzukii oviposition compared to control plots. (usda.gov)
  • Using an aerosol corticosteroid spray may slow recurrences. (msdmanuals.com)
  • Following several mentions in the media that major international cosmetics groups - such as L'Oréal, LVMH or Shiseido - would be interested in acquiring Australian brand Aesop , the Brazilian cosmetics giant said that it " remains evaluating the feasibility of selling its stake in Aesop as one of the strategic alternatives " that would enable the group to finance Aesop's accelerated growth, as well as to provide more value to the its shareholders. (premiumbeautynews.com)
  • Evaluated the feasibility of specifying GRASP in a detailed specification. (eumetsat.int)
  • Researchers evaluated the biodistribution of cannabidiol (CBD) emulsion and nanoparticles in the central nervous system (CNS). (news-medical.net)
  • Multiple scattering effects in droplet aerosols were investigated theoretically using three different numerical approaches and experimentally by means of a specially developed measuring system. (spie.org)
  • At his thesis, he constructed and evaluated a numerical/computational model for the simulation of aerosol flows with strong homogenous nucleation - condensation coupling. (helsinki.fi)
  • By simulating observed cloud systems the role of this and other types of fragmentation in nature by numerical simulation of observed clouds were evaluated. (lu.se)
  • During 2017, we assessed differences in the implementation of the aerosol puffers and compared puffer performance with a passive diffusion release method (vial dispensers), as well as puffer timing and placement within the field. (usda.gov)
  • During 2017, we found that aerosol puffers releasing octenol were 42-55% more effective than a vial dispenser at deterring oviposition. (usda.gov)
  • Bryophytes (mosses) have long been used to determine the concentration of heavy metals as an alternative to the collection of atmospheric aerosols. (bvsalud.org)
  • Healthcare providers should be alert for and evaluate any patients suspected of having EVD, particularly among people who have recently traveled to affected areas in Uganda. (cdc.gov)
  • While nosocomial transmission of SARS-CoV-2 is reported, the role of aerosol transmission and environmental contamination remains unclear, and infection preventionists require further data to inform appropriate practices 8 . (nature.com)
  • Intradermal administration was shown to be safe in adults with latent TB infection (LTBI), but data are lacking for aerosol-delivered candidate TB vaccines in this population. (ox.ac.uk)
  • The trial did not show any safety concerns in the aerosol delivery of a candidate viral-vectored TB vaccine to two UK adults with Mycobacterium tuberculosis (M.tb) infection. (ox.ac.uk)
  • To evaluate the contamination of delivery systems after an aerosol therapy session in patients with cystic fibrosis who have chronic Pseudomonas aeruginosa infection. (nih.gov)
  • Stratospheric aerosols (SAs) are a variable component of the Earth's albedo that may be intentionally enhanced in the future to offset greenhouse gases (geoengineering). (nasa.gov)
  • Our team of industry researchers are studying Covid19 and its impact on the growth of the Aerosol Container market and where necessary we will consider the Covid-19 footmark for better analysis of the market and industries. (digitaljournal.com)
  • Madeleine Petersson Sjögren, one of the researchers who studied and evaluated the method, has recently presented her results in a thesis in aerosol technology. (lu.se)
  • As part of ASABE Standard S525, optical particle counters and ambient aerosol are used to quantitatively evaluate the performance of these enclosures. (nasdonline.org)
  • The article's purpose is to review the basis for the ambient aerosol testing procedures, as specified in ASABE Standard S525, and to point out the standard's pitfalls. (nasdonline.org)
  • This study provides a comprehensive understanding of market value with the product price, demand, gross margin, and supply of the Aerosol Container market. (digitaljournal.com)
  • This study evaluated the lower respiratory tract distribution characteristics of nebulized bronchodilators in infants with acute bronchiolitis. (snmjournals.org)
  • This study evaluated the dose and distribution of the inhaled β-agonist bronchodilator 99m Tc-albuterol in acute RSV bronchiolitis. (snmjournals.org)
  • This study focuses on optimising the GRASP algorithm for 3MI L2 aerosol retrieval. (eumetsat.int)
  • The aim of this study is to assess the use (e.g. computationally expensive elements, sensitivity studies) of the GRASP algorithm for future optimisation, in order to update the day 1 3MI Level 2 aerosol product generation which has a non-sufficient level of performances. (eumetsat.int)
  • Based on the experimental conditions chosen in this study, an attempt was made to explain the accuracy of the applied models to describe multiple scattering effects in aerosols. (spie.org)
  • The present study aimed to evaluate the effectiveness of extraoral suction (EOS) units in aerosol and splatter reduction during ultrasonic scaling. (bvsalud.org)
  • Most notable responses were found in August over tropical land areas, suggesting that the susceptivity of clouds to GCRs depends on the depth of convective activities and the abundance of aerosol precursor materials. (frontiersin.org)
  • The method has now been tested on over 800 people, and the results look promising, according to a new thesis in aerosol technology. (lu.se)
  • The Aerosol Container market report presents data and information on the development of the investment structure, technological improvements, market trends and developments, capabilities, and comprehensive information on the key players of the Aerosol Container market. (digitaljournal.com)
  • It also provides historical data, current market scenario and future insights on Aerosol Container market. (digitaljournal.com)
  • Because the test procedure can be complicated by aerosol generation in the cab, sophisticated judgment is needed before testing and data accumulation begin. (nasdonline.org)
  • Youhua Tang describes the efforts to improve Aerosol Data Assimilation for the UFS framework, and the fine tuning made to improve future forecasts. (noaa.gov)
  • CONCLUSIONS: Our data indicate that automated aerosol puffer systems may reduce D. suzukii infestation to a greater extent than previously evaluated static release methods. (usda.gov)
  • He works with integration of observations to simulation data, in order to evaluate and constrain the aerosol models. (helsinki.fi)
  • The laser beam can be scanned through several different directions to create a 2D concentration map which can be combined with wind data to evaluate the pollutant flux. (lu.se)
  • Ltd -:The latest research report provides a complete assessment of the Global Aerosol Container market for the forecast year 2022-2031, which is beneficial for companies regardless of their size and revenue. (digitaljournal.com)
  • It also includes the impact of COVID-19 on the global Aerosol Container market trends, future forecasts, growth opportunities, end-user industries, and market players. (digitaljournal.com)
  • Using HR-ToF-AMS measured inorganic species as input, the Extended Aerosol Inorganic Model (E-AIM) predicted a fine-particle liquid water content (LWCfp) up to 85 μg m-3 during the foggy days. (edu.sa)
  • He will work with the FLEXPART/SOSAA model system to examine the effects of biogenic aerosols in the area of Athens, as an ERASMUS+ trainee. (helsinki.fi)
  • Barry Baker describes work on aerosols, including mineral dust and soils, which are a source of uncertainty in many atmospheric models. (noaa.gov)
  • Using machine learning, the authors update the threshold friction velocity of soils and dust to compare the results and apply it within the UFS-Aerosol framework. (noaa.gov)
  • Spiking studies are conducted to evaluate the capacity of a purification process to clear viruses. (bioprocessintl.com)
  • Phase I Trial Evaluating the Safety and Immunogenicity of Candidate TB Vaccine MVA85A, Delivered by Aerosol to Healthy M.tb-Infected Adults. (ox.ac.uk)
  • We carried out a Phase I trial to evaluate the safety and immunogenicity of MVA85A delivered by aerosol in UK adults with LTBI (NCT02532036). (ox.ac.uk)
  • Linsey Marr, an aerosol scientist who has long studied airborne viral transmission, told me even cloth masks that fit well and use appropriate materials can help. (kottke.org)
  • To simulate these aerosol tracers, it is critical to evaluate the influence of radionuclide production uncertainties on simulations. (lu.se)
  • Aerosol and Air Quality Research (AAQR) is an independently-run non-profit journal that promotes submissions of high-quality research and strives to be one of the leading aerosol and air quality open-access journals in the world. (aaqr.org)
  • Aerosol and Air Quality Research has published over 2,000 peer-reviewed articles. (aaqr.org)
  • Therefore, EUMETSAT will increase the number of satellite aerosol parameters provided operationally, which are driven by the 3MI instrument. (eumetsat.int)
  • We evaluated cardiorespiratory parameters at rest and during maximal exertion to highlight any differences with the use of protection masks. (researchgate.net)
  • This aerosol displayed the normal progression of expansion and transformation into a cirrus type layer. (carnicominstitute.org)
  • Barry Baker describes the next versions of these two systems, GFSv17 and GEFSv13, are planned as fully coupled atmosphere/land/ocean/sea-ice/wave/aerosols applications developed within the Unified Forecast System (UFS) framework. (noaa.gov)
  • Aerosol drug delivery: developments in device design and clinical use. (wikidata.org)
  • Amongst those planes which were observed spraying, this one was unique in that the aerosol was especially thick, dense and appeared to encompass the full wing span of the aircraft. (carnicominstitute.org)
  • The four photographs at the bottom of this page show various views of the above aerosol over approximately a 10 minute interval after the aircraft passed. (carnicominstitute.org)
  • To evaluate the environmental concentration of lead, cadmium, mercury and arsenic in autochthonous species of moss and to a. (bvsalud.org)
  • The immunogenicity of the candidate tuberculosis (TB) vaccine MVA85A may be enhanced by aerosol delivery. (ox.ac.uk)
  • acr ) was generated which was further evaluated for its ability to impart protection as a booster vaccine against tuberculosis in a heterologous prime boost approach. (nature.com)
  • In addition, the physics of how droplets and aerosols spread in a room are not fully understood. (empa.ch)
  • FDA has not evaluated whether this product complies. (nih.gov)
  • The report begins with a brief presentation and overview of the Aerosol Container market, about the current market landscape, market trends, major market players, product type, application, and region. (digitaljournal.com)
  • The aerosol retrieval for the 3MI operational product will use the GRASP algorithm. (eumetsat.int)
  • B efore a pharmaceutical product is introduced into humans, either in a clinical trial or as a marketed product, virus safety must be evaluated carefully. (bioprocessintl.com)
  • Evaluate product performance with purposefully designed R&D protocols before engaging in GLP-compliant testing. (element.com)
  • There is considerable room for improvement in aerosol delivery in this age group, with greater emphasis on targeting narrowed peripheral airways with superfine aerosols. (snmjournals.org)
  • The poor response to bronchodilator (and steroid) aerosols in bronchiolitis may be accounted for, at least in part, by inadequate aerosol delivery to the peripheral airways. (snmjournals.org)