Aerosol microphysics and chemistry reveal the COVID19 lockdown impact on urban air quality

K Eleftheriadis, MI Gini, E Diapouli, S Vratolis… - Scientific reports, 2021 - nature.com
Air quality in urban areas and megacities is dependent on emissions, physicochemical
process and atmospheric conditions in a complex manner. The impact on air quality metrics …

A review of measurement techniques for aerosol effective density

L Peng, Z Li, G Zhang, X Bi, W Hu, M Tang… - Science of the Total …, 2021 - Elsevier
Density (ρ) is one of the most important physical properties of aerosol particles. Owing to the
complex nature of aerosols and the challenges of measuring them, effective density (ρ e) is …

Mass size distributions, composition and dose estimates of particulate matter in Saharan dust outbreaks

M Gini, M Manousakas, AG Karydas… - Environmental Pollution, 2022 - Elsevier
The present study highlights the importance of examining the contribution of Saharan dust
(SD) sources not only in terms of overall mass contribution but also in terms of composition …

Calibrations, Validations, and Checks of a Dual 23 Nm and 10 Nm Diffusion Charger-Based Portable Emissions Measurement System (PEMS)

A Melas, M Trikka, S Valentini, G Cotogno… - …, 2024 - pmc.ncbi.nlm.nih.gov
The upcoming Euro 7 vehicle exhaust emissions regulation includes particle number (PN)
limits for all vehicles, not only those with direct fuel injection. It also sets the lower detection …

[HTML][HTML] Importance of size representation and morphology in modelling optical properties of black carbon: comparison between laboratory measurements and model …

B Romshoo, M Pöhlker, A Wiedensohler… - Atmospheric …, 2022 - amt.copernicus.org
Black carbon (BC) from incomplete combustion of biomass or fossil fuels is the strongest
absorbing aerosol component in the atmosphere. Optical properties of BC are essential in …

Comparison of particle sizers and counters with soot-like, salt, and silver particles

B Giechaskiel, A Melas - Atmosphere, 2022 - mdpi.com
Vehicle emission regulations in Europe and many Asian countries include a particle number
limit. The number concentration is measured, typically, with condensation particle counters …

Phase separation in the presence of fractal aggregates

S Ghosh, JF Douglas - The Journal of Chemical Physics, 2024 - pubs.aip.org
Liquid–liquid phase separation in diverse manufacturing and biological contexts often
occurs in the presence of aggregated particles or complex-shaped structures that do not …

Determination of the length and diameter of nanorods by a combination of analytical ultracentrifugation and scanning mobility particle sizer

T Thajudeen, J Walter, R Srikantharajah… - Nanoscale …, 2017 - pubs.rsc.org
A combination of orthogonal measurement techniques is utilized in this study to predict the
average lengths and diameters of colloidal nanorods. Sedimentation coefficient distributions …

Experimental and numerical investigations of under-expanded gas flows for optimal operation of a novel multipole differential ion mobility filter in the first vacuum …

D Papanastasiou, D Kounadis, I Orfanopoulos… - International Journal of …, 2021 - Elsevier
The integration process of a higher-order multipole differential mobility spectrometer in the
first vacuum stage of a mass spectrometer is described and separation of ions under the …

Spark Discharge Aerosol‐Generated Copper‐Based Nanoparticles: Structural & Optical Properties; Application on the Antiviral (SARS‐CoV‐2) and Antibacterial …

K Giannakopoulos, M Lasithiotakis… - …, 2024 - Wiley Online Library
Abstract Nanoparticle formation by Spark Discharge Aerosol Generation offers low‐cost
fabrication of nanoparticles, without the use of chemicals or vacuum. It produces aerosol …