Formation of urban fine particulate matter

R Zhang, G Wang, S Guo, ML Zamora, Q Ying… - Chemical …, 2015 - ACS Publications
Urban air pollution represents one of the greatest environmental challenges facing mankind
in the 21st century. 1, 2 Noticeably, many developing countries, such as China and India …

[HTML][HTML] Overview of methods to characterize the mass, size, and morphology of soot

TA Sipkens, A Boies, JC Corbin, RK Chakrabarty… - Journal of Aerosol …, 2023 - Elsevier
Combustion and other high-temperature processes can produce solid aerosol nanoparticles
with complex morphologies, including fractal-like aggregates of primary particles …

Markedly enhanced absorption and direct radiative forcing of black carbon under polluted urban environments

J Peng, M Hu, S Guo, Z Du, J Zheng… - Proceedings of the …, 2016 - National Acad Sciences
Black carbon (BC) exerts profound impacts on air quality and climate because of its high
absorption cross-section over a broad range of electromagnetic spectra, but the current …

A new method to quantify mineral dust and other aerosol species from aircraft platforms using single-particle mass spectrometry

KD Froyd, DM Murphy, CA Brock… - Atmospheric …, 2019 - amt.copernicus.org
Single-particle mass spectrometry (SPMS) instruments characterize the composition of
individual aerosol particles in real time. Their fundamental ability to differentiate the …

Role of OH-initiated oxidation of isoprene in aging of combustion soot

AF Khalizov, Y Lin, C Qiu, S Guo… - … science & technology, 2013 - ACS Publications
We have investigated the contribution of OH-initiated oxidation of isoprene to the
atmospheric aging of combustion soot. The experiments were conducted in a fluoropolymer …

Measurements of submicron aerosols in Houston, Texas during the 2009 SHARP field campaign

ME Levy, R Zhang, AF Khalizov, J Zheng… - Journal of …, 2013 - Wiley Online Library
During the field campaign of the Study of Houston Atmospheric Radical Precursors/Surface‐
Induced Oxidation of Organics in the Troposphere (SHARP/SOOT) in Houston, Texas, a …

Laboratory evaluation of the effects of particle size and composition on the performance of integrated devices containing Plantower particle sensors

Y Zou, JD Clark, AA May - Aerosol Science and Technology, 2021 - Taylor & Francis
Particle size and particle composition are two important variables that potentially affect the
performance of low-cost sensors that quantify airborne particle concentrations. In order to …

A comparative study on effective density, shape factor, and volatile mixing of non-spherical particles using tandem aerodynamic diameter, mobility diameter, and mass …

M Kazemimanesh, MM Rahman, D Duca… - Journal of Aerosol …, 2022 - Elsevier
Combustion-generated particles are typically non-spherical (soot aggregates) and
sometimes mixed with organic compounds (eg in vehicle emissions). The effective density …

OH-Initiated Oxidation of m-Xylene on Black Carbon Aging

S Guo, M Hu, Y Lin, M Gomez-Hernandez… - Environmental …, 2016 - ACS Publications
Laboratory experiments are conducted to investigate aging of size-classified black carbon
(BC) particles from OH-initiated oxidation of m-xylene. The variations in the particle size …

Measuring the effectiveness of high-performance Co-Optima biofuels on suppressing soot formation at high temperature

S Barak, RK Rahman, S Neupane… - Proceedings of the …, 2020 - National Acad Sciences
Soot emissions in combustion are unwanted consequences of burning hydrocarbon fuels.
The presence of soot during and following combustion processes is an indication of …