Themed collection Chemistry of Atmospheric Pollutants

15 items
Editorial

Introduction to the chemistry of atmospheric pollutants themed issue

Guest editors Amila De Silva, Max McGillen, Jason Surratt and Cora Young introduce the Environmental Science: Processes & Impacts themed issue on the chemistry of atmospheric pollutants.

Graphical abstract: Introduction to the chemistry of atmospheric pollutants themed issue
From the themed collection: Chemistry of Atmospheric Pollutants
Perspective

A perspective on iron (Fe) in the atmosphere: air quality, climate, and the ocean

We engage in research motivated by climate change and the impacts of pollution on air, water, and human health. The scientific community need to improve communication and knowledge exchange across disciplines to address pressing research questions holistically.

Graphical abstract: A perspective on iron (Fe) in the atmosphere: air quality, climate, and the ocean
From the themed collection: Atmospheric chemistry
Critical Review

PFAS on atmospheric aerosol particles: a review

PFAS are detected in particulate matter around the world.

Graphical abstract: PFAS on atmospheric aerosol particles: a review
From the themed collection: Atmospheric chemistry
Open Access Paper

From the HOMEChem frying pan to the outdoor atmosphere: chemical composition, volatility distributions and fate of cooking aerosol

New measurements show that cooking aerosol released indoors can partition as it dilutes through a home and to the outdoor atmosphere, impacting both indoor and outdoor air quality.

Graphical abstract: From the HOMEChem frying pan to the outdoor atmosphere: chemical composition, volatility distributions and fate of cooking aerosol
From the themed collection: Atmospheric chemistry
Paper

Elevated levels of chloramines and chlorine detected near an indoor sports complex

Chlorinated cleaning products containing hypochlorous acid (HOCl) and hypochlorite ion (OCl) act as sources of toxic chloramines (NH2Cl, NHCl2, NCl3) and atmospheric oxidant precursors (i.e. Cl2) which impact air quality.

Graphical abstract: Elevated levels of chloramines and chlorine detected near an indoor sports complex
From the themed collection: Atmospheric chemistry
Open Access Paper

Molecular speciation controls arsenic and lead bioaccessibility in fugitive dusts from sulfidic mine tailings

Mine tailings are sources of metal(loid)-rich particulate matter (PM), particularly in dry climates. Inhaled or ingested PM bioavailability and toxicity depends on the solid phase speciation and the rate of PM dissolution.

Graphical abstract: Molecular speciation controls arsenic and lead bioaccessibility in fugitive dusts from sulfidic mine tailings
From the themed collection: Recent Open Access Articles
Paper

Evaluation of iodide chemical ionization mass spectrometry for gas and aerosol-phase per- and polyfluoroalkyl substances (PFAS) analysis

Per- and polyfluoroalkyl substances (PFAS) can be measured in real time in gas and aerosol using iodide chemical ionization mass spectrometry (CIMS).

Graphical abstract: Evaluation of iodide chemical ionization mass spectrometry for gas and aerosol-phase per- and polyfluoroalkyl substances (PFAS) analysis
Paper

Exploring controls on perfluorocarboxylic acid (PFCA) gas–particle partitioning using a model with observational constraints

The atmospheric fate of perfluorocarboxylic acids (PFCAs) has attracted much attention in recent decades due to the role of the atmosphere in global transport of these persistent chemicals.

Graphical abstract: Exploring controls on perfluorocarboxylic acid (PFCA) gas–particle partitioning using a model with observational constraints
Paper

Aqueous processing of water-soluble organic compounds in the eastern United States during winter

The uptake of WSOCg from biomass burning into ALW results in compounds that remain in the particle phase upon drying.

Graphical abstract: Aqueous processing of water-soluble organic compounds in the eastern United States during winter
Paper

Hygroscopicity of nitrogen-containing organic carbon compounds: o-aminophenol and p-aminophenol

As nitrogen-containing organic carbon of atmospheric relevance, the water uptake of two phenolic compounds, o-aminophenol and p-aminophenol, is investigated under sub- and supersaturated conditions through the lens of aerosol-cloud interactions.

Graphical abstract: Hygroscopicity of nitrogen-containing organic carbon compounds: o-aminophenol and p-aminophenol
From the themed collection: Atmospheric chemistry
Paper

Iodine emission from the reactive uptake of ozone to simulated seawater

We suggest a re-evaluation of two reaction rate constants to be able to better model iodine emission from the ozonolysis of iodide in the presence of chloride.

Graphical abstract: Iodine emission from the reactive uptake of ozone to simulated seawater
Paper

Kinetics of oligomer-forming reactions involving the major functional groups present in atmospheric secondary organic aerosol particles

Measurements of the kinetics of accretion reactions involving organic compounds typical of those present in atmospheric aerosol particles demonstrate the potential importance of peroxyhemiacetal and ester formation in a single organic phase and in phase-separated organic/aqueous mixtures containing a sulfuric acid catalyst.

Graphical abstract: Kinetics of oligomer-forming reactions involving the major functional groups present in atmospheric secondary organic aerosol particles
Paper

Molecular investigation of the multi-phase photochemistry of Fe(III)–citrate in aqueous solution

The comprehensive reaction mechanism of FeIII–citrate multiphase photochemistry and formation of unexplored colloidal reaction products that contribute to terrestrial light-absorbing materials.

Graphical abstract: Molecular investigation of the multi-phase photochemistry of Fe(iii)–citrate in aqueous solution
From the themed collection: Atmospheric chemistry
Paper

pH affects the aqueous-phase nitrate-mediated photooxidation of phenolic compounds: implications for brown carbon formation and evolution

This work highlights how the pH of the atmospheric aqueous phase can influence the reactivities of phenolic compounds and brown carbon formation/evolution during nitrate-mediated photooxidation.

Graphical abstract: pH affects the aqueous-phase nitrate-mediated photooxidation of phenolic compounds: implications for brown carbon formation and evolution
From the themed collection: Atmospheric chemistry
Paper

Formation pathways of aldehydes from heated cooking oils

We studied the mechanisms of cooking oil decomposition that lead to emission of aldehydes, an important group of air pollutants, from food cooking.

Graphical abstract: Formation pathways of aldehydes from heated cooking oils
15 items

About this collection

Guest Edited by Amila De Silva (Environment and Climate Change Canada), Max McGillen (CNRS-ICARE), Jason Surratt (University of North Carolina) and Cora Young (York University), this issue presents advances in molecular-level study of atmospheric chemical processes that form our critical understanding of pollutant emissions, transport, transformation, and deposition. Such research is particularly apt given the accelerated perturbations such as climate change, changing emissions (including emerging contaminants), land development and regulations.


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