Search Results - "Aerosol research"

On the potential of the Cluster Ion Counter (CIC) to observe local new particle formation, condensation sink and growth rate of newly formed particles by M. Kulmala, M. Kulmala, M. Kulmala, S. Tuovinen, S. Mirme, S. Mirme, P. Koemets, P. Koemets, L. Ahonen, Y. Liu, H. Junninen, T. Petäjä, T. Petäjä, T. Petäjä, V.-M. Kerminen

“…The Cluster Ion Counter (CIC) is a simple three-channel instrument designed to observe ions in the electrical mobility equivalent diameter range from 1.0 to 5…”
Get full text

Comparison of size distribution and electrical particle sensor measurement methods for particle lung deposited surface area (LDSAal) in ambient measurements with varying conditions by T. Lepistö, H. Lintusaari, L. Salo, V. Silvonen, L. M. F. Barreira, J. Hoivala, L. Markkula, J. V. Niemi, J. Ondracek, K. Teinilä, H. E. Manninen, S. Saarikoski, H. Timonen, M. Dal Maso, T. Rönkkö

“…It has become evident that additional metrics along the particle mass concentration, together with dense air quality monitoring networks within cities, are…”
Get full text

Influence of soot aerosol properties on the counting efficiency of instruments used for the periodic technical inspection of diesel vehicles by T. Hammer, D. Roos, B. Giechaskiel, A. Melas, K. Vasilatou

“…In this work, we investigated the influence of different types of soot aerosol on the counting efficiency (CE) of instruments employed for the periodic…”
Get full text

A comprehensive design schedule for electrosprayed thin films with different surface morphologies by S. W. Karuga, E. M. Kelder, M. J. Gatari, M. J. Gatari, J. C. M. Marijnissen

“…Electrospraying is a technique in which a liquid jet breaks up into droplets under the influence of electrical forces. The technique is outstanding because of…”
Get full text

Vertical concentrations gradients and transport of airborne microplastics in wind tunnel experiments by E. M. Esders, C. Georgi, W. Babel, W. Babel, A. Held, C. K. Thomas, C. K. Thomas

“…Microplastics are an ubiquitous anthropogenic material in the environment, including the atmosphere. Little work has focused on the atmospheric transport…”
Get full text

Direct detection of polycyclic aromatic hydrocarbons on a molecular composition level in summertime ambient aerosol via proton transfer reaction mass spectrometry by T. Reinecke, M. Leiminger, A. Klinger, M. Müller

“…Condensed particulate polycyclic aromatic hydrocarbons (PAHs) are a group of toxic organic compounds that are produced by the incomplete combustion of organic…”
Get full text

Opinion: Eliminating aircraft soot emissions by U. Trivanovic, S. E. Pratsinis

“…Soot from aircraft engines deteriorates air quality around airports and can contribute to climate change primarily by influencing cloud processes and contrail…”
Get full text

Reduced particle composition dependence in condensation particle counters by P. J. Wlasits, P. J. Wlasits, J. Enroth, J. Vanhanen, A. Pajunoja, H. Grothe, P. M. Winkler, D. Stolzenburg

“…Modern condensation particle counters (CPCs) are indispensable instruments for studies of aerosols in all measurement environments. Relying on heterogeneous…”
Get full text

Performance evaluation of a semivolatile aerosol dichotomous sampler (SADS) for exposure assessment: impact of design issues by N. Rekeb, N. Rekeb, B. Sutter, E. Belut, E. Géhin, R. Olsen

“…Aerosols of semivolatile organic compounds (SVOCs) pose significant health risks to workers in various occupational settings. Measuring human exposure to these…”
Get full text

Comparison of scanning aerosol lidar and in situ measurements of aerosol physical properties and boundary layer heights by H. Zhang, C. Rolf, R. Tillmann, C. Wesolek, F. G. Wienhold, T. Leisner, H. Saathoff

“…The spatiotemporal distribution of aerosol particles in the atmosphere has a great impact on radiative transfer, clouds, and air quality. Modern remote sensing…”
Get full text

Extended aerosol optical depth (AOD) time series analysis in an Alpine valley: a comparative study from 2007 to 2023 by J. Wagner, A. A. Ubele, V. Schenzinger, A. Kreuter, A. Kreuter

“…This study presents an extended analysis of aerosol optical depth (AOD) at 501 nm in the Alpine valley of Innsbruck, Austria, from 2007 to 2023, and offers a…”
Get full text

Atmospheric ice-nucleating particles in the eastern Mediterranean and the contribution of mineral and biological aerosol by M. D. Tarn, B. V. Wyld, N. Reicher, M. Alayof, D. Gat, A. Sanchez-Marroquin, S. N. F. Sikora, A. D. Harrison, Y. Rudich, B. J. Murray

“…While the atmosphere in the eastern Mediterranean is part of the dust belt, it encounters air masses from Europe, the Mediterranean Sea, and the Sahara and…”
Get full text

A cluster-of-functional-groups approach for studying organic enhanced atmospheric cluster formation by A. N. Pedersen, Y. Knattrup, J. Elm

“…The role of organic compounds in atmospheric new particle formation is difficult to disentangle due to the myriad of potentially important oxygenated organic…”
Get full text

Assessment of light-absorbing carbonaceous aerosol origins and properties at the ATOLL site in northern France by A. Velazquez-Garcia, A. Velazquez-Garcia, J. F. de Brito, S. Crumeyrolle, I. Chiapello, V. Riffault

“…Understanding the lifecycle of light-absorbing carbonaceous aerosols, from emission to deposition, is critical for assessing their climate impact. This study…”
Get full text

Intermediate ions as indicator for local new particle formation by S. Tuovinen, J. Lampilahti, V.-M. Kerminen, M. Kulmala

“…Atmospheric aerosol particles have a considerable influence on climate via both aerosol–radiation and aerosol–cloud interactions. A major fraction of global…”
Get full text

Determining the ultraviolet radiation dose experienced by aerosols using ultraviolet-sensitive dyes by Q. Fu, Q. Fu, F. E. Kruis, F. E. Kruis

“…​​​​​​​The application of ultraviolet (UV)-light-based air disinfection methods holds promise but also presents several challenges. Among these, the…”
Get full text

A multi-instrumental approach for calibrating real-time mass spectrometers using high-performance liquid chromatography and positive matrix factorization by M. K. Schueneman, M. K. Schueneman, D. A. Day, D. A. Day, D. Kim, D. Kim, P. Campuzano-Jost, P. Campuzano-Jost, S. Yun, S. Yun, M. P. DeVault, M. P. DeVault, A. C. Ziola, A. C. Ziola, P. J. Ziemann, P. J. Ziemann, J. L. Jimenez, J. L. Jimenez

“…Obtaining quantitative information for molecular species present in aerosols from real-time mass spectrometers such as an extractive electrospray…”
Get full text

Opinion: A paradigm shift in investigating the general characteristics of atmospheric new particle formation using field observations by M. Kulmala, M. Kulmala, M. Kulmala, M. Kulmala, D. Aliaga, S. Tuovinen, R. Cai, R. Cai, H. Junninen, C. Yan, C. Yan, C. Yan, F. Bianchi, Y. Cheng, A. Ding, A. Ding, D. R. Worsnop, T. Petäjä, T. Petäjä, K. Lehtipalo, K. Lehtipalo, P. Paasonen, V.-M. Kerminen, V.-M. Kerminen

“…Atmospheric new particle formation (NPF) and associated production of secondary particulate matter dominate aerosol particle number concentrations and…”
Get full text

Photocatalytic chloride-to-chlorine conversion by ionic iron in aqueous aerosols: a combined experimental, quantum chemical, and chemical equilibrium model study by M. K. Mikkelsen, J. B. Liisberg, M. M. J. W. van Herpen, K. V. Mikkelsen, M. S. Johnson

“…Prior aerosol chamber experiments show that the ligand-to-metal charge transfer absorption in iron(III) chlorides can lead to the production of chlorine (Cl 2…”
Get full text

Opinion: Should high-resolution differential mobility analyzers be used in mainstream aerosol studies? by J. Fernandez de la Mora

“…Differential mobility analyzers (DMAs) are widely used instruments to measure the size distributions of submicron aerosols. High-resolution DMAs (HRDMAs) are…”
Get full text