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Themed collection Environmental Science: Processes & Impacts Recent HOT Articles

41 items
Communication

Interactions of emerging contaminants with model colloidal microplastics, C60 fullerene, and natural organic matter – effect of surface functional group and adsorbate properties

Molecular properties of emerging contaminants (ECs) and interfacial compositions of colloidal matter dictate the extent of EC–particulate matter surface interaction.

Graphical abstract: Interactions of emerging contaminants with model colloidal microplastics, C60 fullerene, and natural organic matter – effect of surface functional group and adsorbate properties
Paper

An emerging mobile air pollution source: outdoor plastic liner manufacturing sites discharge VOCs into urban and rural areas

The in situ manufacture of cured-in-place-pipe (CIPP) plastic liners in damaged sewer pipes is an emerging mobile source of anthropogenic air pollution.

Graphical abstract: An emerging mobile air pollution source: outdoor plastic liner manufacturing sites discharge VOCs into urban and rural areas
Paper

Photodecay of guaiacol is faster in ice, and even more rapid on ice, than in aqueous solution

Guaiacol photodegradation rate constants in solution, liquid-like regions in ice (frozen solutions), and at the air–ice interface (vapor-deposited to snow).

Graphical abstract: Photodecay of guaiacol is faster in ice, and even more rapid on ice, than in aqueous solution
Paper

Trichloroacetyl chloride, CCl3COCl, as an alternative Cl atom precursor for laboratory use and determination of Cl atom rate coefficients for n-CH2[double bond, length as m-dash]CH(CH2)xCN (x = 3–4)

Investigation of CCl3COCl as a Cl atom precursor for laboratory use in (relative) rate and product.

Graphical abstract: Trichloroacetyl chloride, CCl3COCl, as an alternative Cl atom precursor for laboratory use and determination of Cl atom rate coefficients for n-CH2 [[double bond, length as m-dash]] CH(CH2)xCN (x = 3–4)
Paper

Geochemical and isotope analysis of produced water from the Utica/Point Pleasant Shale, Appalachian Basin

Elemental and isotopic ratios can be used to identify environmental contamination form the increasing development of the Utica/Point Pleasant Shale.

Graphical abstract: Geochemical and isotope analysis of produced water from the Utica/Point Pleasant Shale, Appalachian Basin
Paper

Emerging investigator series: influence of marine emissions and atmospheric processing on individual particle composition of summertime Arctic aerosol over the Bering Strait and Chukchi Sea

Composition of individual atmospheric particles reveals the influence of marine sources, terrestrial sources, and anthropogenic sources on atmospheric chemistry in the changing Alaskan Arctic.

Graphical abstract: Emerging investigator series: influence of marine emissions and atmospheric processing on individual particle composition of summertime Arctic aerosol over the Bering Strait and Chukchi Sea
From the themed collection: Emerging Investigator Series
Open Access Paper

Aging induced changes in ice nucleation activity of combustion aerosol as determined by near edge X-ray absorption fine structure (NEXAFS) spectroscopy

Soot particles aged in acidic aqueous solutions reveal significantly enhanced ice nucleating activity.

Graphical abstract: Aging induced changes in ice nucleation activity of combustion aerosol as determined by near edge X-ray absorption fine structure (NEXAFS) spectroscopy
Paper

Participatory science for coastal water quality: freshwater plume mapping and volunteer retention in a randomized informational intervention

This study presents a novel framework for estimating safe swimming distances at beaches and is the first participatory environmental science study to experimentally test strategies for increasing volunteer retention.

Graphical abstract: Participatory science for coastal water quality: freshwater plume mapping and volunteer retention in a randomized informational intervention
Open Access Paper

Determinants of serum concentrations of perfluoroalkyl acids (PFAAs) in school children and the contribution of low-level PFAA-contaminated drinking water

In order to improve human health risk assessment of perfluoroalkyl acids (PFAAs), demography/life-style/physiological factors and drinking water PFAA concentrations were investigated as possible determinants of child serum PFAA concentrations.

Graphical abstract: Determinants of serum concentrations of perfluoroalkyl acids (PFAAs) in school children and the contribution of low-level PFAA-contaminated drinking water
Paper

Natural and anthropogenic sources of bromoform and dibromomethane in the oceanographic and biogeochemical regime of the subtropical North East Atlantic

Transport of air masses from the subtropics, enriched in trace gases from the oceans, coasts and islands, towards lower latitudes under the trade inversion and uplift to the stratosphere in tropical deep convection.

Graphical abstract: Natural and anthropogenic sources of bromoform and dibromomethane in the oceanographic and biogeochemical regime of the subtropical North East Atlantic
Open Access Paper

Insights into origins and function of the unexplored majority of the reductive dehalogenase gene family as a result of genome assembly and ortholog group classification

Classifying all reductive dehalogenase genes from organohalide respiring bacteria, including nine newly closed genomes, predicts function and conserved synteny within species.

Graphical abstract: Insights into origins and function of the unexplored majority of the reductive dehalogenase gene family as a result of genome assembly and ortholog group classification
Paper

Halogenated semivolatile acetonitriles as chloramination disinfection by-products in water treatment: a new formation pathway from activated aromatic compounds

A new formation pathway has been identified for dichloroacetonitrile, a halogenated semivolatile drinking water disinfection by-product, from activated aromatic compounds.

Graphical abstract: Halogenated semivolatile acetonitriles as chloramination disinfection by-products in water treatment: a new formation pathway from activated aromatic compounds
Paper

Impact of bromide exposure on natural organochlorine loss from coastal wetland soils in the Winyah Bay, South Carolina

Naturally formed halogenated organic compounds are common in terrestrial and marine environments and play an important role in the halogen cycle.

Graphical abstract: Impact of bromide exposure on natural organochlorine loss from coastal wetland soils in the Winyah Bay, South Carolina
Paper

Sources and sinks of chloromethane in a salt marsh ecosystem: constraints from concentration and stable isotope measurements of laboratory incubation experiments

Chloromethane (CH3Cl) is the most abundant long-lived chlorinated organic compound in the atmosphere and contributes significantly to natural stratospheric ozone depletion.

Graphical abstract: Sources and sinks of chloromethane in a salt marsh ecosystem: constraints from concentration and stable isotope measurements of laboratory incubation experiments
Paper

Isotope fractionation (2H/1H, 13C/12C, 37Cl/35Cl) in trichloromethane and trichloroethene caused by partitioning between gas phase and water

This article scrutinizes volatilization isotope effects of chlorinated organic compounds by taking into account all measurable stable isotopes of present elements and the three main kinetic and equilibrium partitioning scenarios.

Graphical abstract: Isotope fractionation (2H/1H, 13C/12C, 37Cl/35Cl) in trichloromethane and trichloroethene caused by partitioning between gas phase and water
Open Access Paper

Reduction of 1,2,3-trichloropropane (TCP): pathways and mechanisms from computational chemistry calculations

Lesser halogenated halocarbons such as 1,2,3-trichloropropane (TCP) are persistent under most conditions, but reductive beta-elimination favors complete dechlorination by hydrogenolysis of the allyl chloride intermediate.

Graphical abstract: Reduction of 1,2,3-trichloropropane (TCP): pathways and mechanisms from computational chemistry calculations
Paper

Diverse dechlorinators and dechlorination genes enriched through amendment of chlorinated natural organic matter fractions

Chlorinated natural organic matter (Cl-NOM) can act as an electron acceptor for organohalide-respiring bacteria, stimulating contaminant dechlorination.

Graphical abstract: Diverse dechlorinators and dechlorination genes enriched through amendment of chlorinated natural organic matter fractions
Paper

Complex epigenetic patterns in cerebellum generated after developmental exposure to trichloroethylene and/or high fat diet in autoimmune-prone mice

Trichloroethylene (TCE) is an environmental contaminant associated with immune-mediated inflammatory disorders and neurotoxicity.

Graphical abstract: Complex epigenetic patterns in cerebellum generated after developmental exposure to trichloroethylene and/or high fat diet in autoimmune-prone mice
Paper

Quantitative use of passive sampling data to derive a complete seasonal sequence of flood event loads: a case study for maize herbicides in Luxembourg

Passive sampler monitoring in surface waters can provide a complete sequence of pesticide event loads for an application season.

Graphical abstract: Quantitative use of passive sampling data to derive a complete seasonal sequence of flood event loads: a case study for maize herbicides in Luxembourg
Open Access Paper

A global atmospheric chemistry model for the fate and transport of PFCAs and their precursors

Global model for the atmospheric chemistry of PFCA precursors.

Graphical abstract: A global atmospheric chemistry model for the fate and transport of PFCAs and their precursors
Open Access Paper

Effects of surface tension time-evolution for CCN activation of a complex organic surfactant

Time-evolving partitioning effects on surface tension and bulk water activity cancel out in Köhler predictions of CCN activation of mixed NAFA–NaCl particles.

Graphical abstract: Effects of surface tension time-evolution for CCN activation of a complex organic surfactant
Open Access Paper

Emerging investigator series: use of behavioural endpoints in the regulation of chemicals

Suggestion for how the use of behavioral endpoints can improve in environmental risk assessment of chemicals.

Graphical abstract: Emerging investigator series: use of behavioural endpoints in the regulation of chemicals
From the themed collection: Emerging Investigator Series
Paper

Predicting Cr(VI) adsorption on soils: the role of the competition of soil organic matter

Surface complexation models can predict Cr(VI) adsorption on soils after accounting for the competition from the soil organic matter.

Graphical abstract: Predicting Cr(vi) adsorption on soils: the role of the competition of soil organic matter
Open Access Paper

Potential emerging chemical risks in the food chain associated with substances registered under REACH

A screening procedure for the identification of potential emerging chemical risks in the food and feed chain developed in a previous EFSA-sponsored study was applied to 15021 substances registered under the REACH regulation at the time of evaluation.

Graphical abstract: Potential emerging chemical risks in the food chain associated with substances registered under REACH
Paper

Evidence for a kinetically controlled burying mechanism for growth of high viscosity secondary organic aerosol

The incorporation of organic nitrates into viscous secondary organic aerosol during particle formation is enhanced relative to expected equilibrium partitioning, and is best described by a kinetically controlled “burying” mechanism.

Graphical abstract: Evidence for a kinetically controlled burying mechanism for growth of high viscosity secondary organic aerosol
Paper

Risk-based water quality thresholds for coliphages in surface waters: effect of temperature and contamination aging

A quantitative microbial risk assessment framework is used to derive risk-based surface water quality thresholds for coliphages.

Graphical abstract: Risk-based water quality thresholds for coliphages in surface waters: effect of temperature and contamination aging
Paper

The determination of two emerging perfluoroalkyl substances and related halogenated sulfonic acids and their significance for the drinking water supply chain

Analytical methodologies were developed for two emerging PFAS, F3-MSA and HFPO-DA, in order to assess their occurrence and levels in Dutch and Belgian waters and evaluate human health risks due to their presence in drinking water.

Graphical abstract: The determination of two emerging perfluoroalkyl substances and related halogenated sulfonic acids and their significance for the drinking water supply chain
Open Access Paper

Point source characterization of per- and polyfluoroalkyl substances (PFASs) and extractable organofluorine (EOF) in freshwater and aquatic invertebrates

Major point sources of per- and polyfluoroalkyl substances (PFASs) cause ubiquitous spread of PFASs in the environment.

Graphical abstract: Point source characterization of per- and polyfluoroalkyl substances (PFASs) and extractable organofluorine (EOF) in freshwater and aquatic invertebrates
Paper

Biomagnification of perfluoroalkyl acids (PFAAs) in the food web of an urban river: assessment of the trophic transfer of targeted and unknown precursors and implications

In the Orge River, the contribution of PFAA precursors decreases between the base and the top of the trophic web.

Graphical abstract: Biomagnification of perfluoroalkyl acids (PFAAs) in the food web of an urban river: assessment of the trophic transfer of targeted and unknown precursors and implications
Open Access Paper

Children's exposure to perfluoroalkyl acids – a modelling approach

The present work assesses the exposure of a child cohort to PFOA, PFOS and PFHxS from 1 year to 10.5 years of age.

Graphical abstract: Children's exposure to perfluoroalkyl acids – a modelling approach
Paper

Partition coefficients of four perfluoroalkyl acid alternatives between bovine serum albumin (BSA) and water in comparison to ten classical perfluoroalkyl acids

Alternatives to long-chain PFAAs sorb similarly strongly to serum albumin as the classical PFAAs.

Graphical abstract: Partition coefficients of four perfluoroalkyl acid alternatives between bovine serum albumin (BSA) and water in comparison to ten classical perfluoroalkyl acids
Open Access Paper

Electrochemical characterization of natural organic matter by direct voltammetry in an aprotic solvent

Improved methods for direct electrochemical characterization of a wide range of natural organic matter (NOM) samples dissolved in an aprotic solvent gives well defined peaks with similar peak breadths and potentials regardless of source, which probably reflects selectivity in the methods used to extract NOM from environmental samples.

Graphical abstract: Electrochemical characterization of natural organic matter by direct voltammetry in an aprotic solvent
Paper

N2O5 reactive uptake kinetics and chlorine activation on authentic biomass-burning aerosol

The reactive uptake kinetics of nitrogen pentoxide (N2O5) to authentic biomass-burning aerosol and the production of nitryl chloride (ClNO2) was determined using an entrained aerosol flow tube reactor.

Graphical abstract: N2O5 reactive uptake kinetics and chlorine activation on authentic biomass-burning aerosol
Open Access Paper

Overview of HOMEChem: House Observations of Microbial and Environmental Chemistry

The House Observations of Microbial and Environmental Chemistry (HOMEChem) study was a large-scale collaborative experimental investigation probing indoor air composition and chemistry.

Graphical abstract: Overview of HOMEChem: House Observations of Microbial and Environmental Chemistry
Paper

Emissions of DEHP from vehicle cabin materials: parameter determination, impact factors and exposure analysis

A VVR method is developed to measure the key parameters of DEHP from vehicular materials.

Graphical abstract: Emissions of DEHP from vehicle cabin materials: parameter determination, impact factors and exposure analysis
Open Access Paper

Secondary product creation potential (SPCP): a metric for assessing the potential impact of indoor air pollution on human health

Secondary Product Creation Potential (SPCP): a new metric for ranking the impact of volatile organic compounds on indoor air chemistry and human health.

Graphical abstract: Secondary product creation potential (SPCP): a metric for assessing the potential impact of indoor air pollution on human health
Paper

Human occupant contribution to secondary aerosol mass in the indoor environment

Occupancy in indoor spaces can contribute to indoor aerosol mass via reactions of oxidants such as ozone with skin constituents and subsequent partitioning of those oxidation product to existing aerosol.

Graphical abstract: Human occupant contribution to secondary aerosol mass in the indoor environment
Paper

Emerging investigator series: spatial distribution of dissolved organic matter in ice and at air–ice interfaces

Organic solutes in snow and ice can be distributed heterogeneously throughout the ice bulk and across the ice surface. This may affect air-surface interactions and heterogeneous reactions in snow-covered regions.

Graphical abstract: Emerging investigator series: spatial distribution of dissolved organic matter in ice and at air–ice interfaces
From the themed collection: Emerging Investigator Series
Open Access Paper

Mass balance study of brominated flame retardants in female captive peregrine falcons

Mass balance study in peregrine falcons showed efficient dietary uptake, bioaccumulation, transfer to eggs of tri–decaBDE, HBCDD; metabolism also indicated.

Graphical abstract: Mass balance study of brominated flame retardants in female captive peregrine falcons
Open Access Paper

Uncertainty and equifinality in environmental modelling of organic pollutants with specific focus on cyclic volatile methyl siloxanes

We explore, for the first time, the concept of equifinality (similar model predictions from different parameter combinations) in MFTMs.

Graphical abstract: Uncertainty and equifinality in environmental modelling of organic pollutants with specific focus on cyclic volatile methyl siloxanes
Paper

Analyzing a broader spectrum of endocrine active organic contaminants in sewage sludge with high resolution LC-QTOF-MS suspect screening and QSAR toxicity prediction

118 endocrine active compounds were identified in 14 sewage sludge samples using a new sample preparation method that extracts a broad range of compounds analyzed by high-resolution LC-QTOF-MS. Library screening matches were run in a predictive model to identify compounds likely to interfere with estrogen or other reproductive signaling.

Graphical abstract: Analyzing a broader spectrum of endocrine active organic contaminants in sewage sludge with high resolution LC-QTOF-MS suspect screening and QSAR toxicity prediction
41 items

About this collection

Here is a collection of recent Environmental Science: Processes & Impacts articles which have been classified as ‘HOT articles’ due to receiving particularly high scores at peer review.

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