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Themed collection Recent Open Access Articles

78 items - Showing page 1 of 2
Open Access Perspective

Perspectives of genetically engineered microbes for groundwater bioremediation

Bacteria degrading 1,2,3-trichloropropane were constructed by genetic engineering and may be applicable for groundwater bioremediation, following the example of 1,2-dichloroethane.

Graphical abstract: Perspectives of genetically engineered microbes for groundwater bioremediation
Open Access Perspective

Connecting environmental exposure and neurodegeneration using cheminformatics and high resolution mass spectrometry: potential and challenges

A multi-disciplinary perspective on connecting chemistry, exposure and medical information to “neurotoxicity” for mass spectrometry-based environmental assessment, including multiple interactive resources for readers to use and explore.

Graphical abstract: Connecting environmental exposure and neurodegeneration using cheminformatics and high resolution mass spectrometry: potential and challenges
From the themed collection: Recent Open Access Articles
Open Access Perspective

Why is high persistence alone a major cause of concern?

High persistence has important implications for chemicals regulation and management.

Graphical abstract: Why is high persistence alone a major cause of concern?
From the themed collection: Recent Open Access Articles
Open Access Perspective

Can the Stockholm convention address the spectrum of chemicals currently under regulatory scrutiny? Advocating a more prominent role for modeling in POP screening assessment

Applying POP screening to a large chemical domain requires less reliance on individual criteria and more on integrated assessment with models.

Graphical abstract: Can the Stockholm convention address the spectrum of chemicals currently under regulatory scrutiny? Advocating a more prominent role for modeling in POP screening assessment
Open Access Critical Review

Strategies for grouping per- and polyfluoroalkyl substances (PFAS) to protect human and environmental health

Grouping strategies are needed for per- and polyfluoroalkyl substances (PFAS), in part, because it would be time and resource intensive to test and evaluate the more than 4700 PFAS on the global market on a chemical-by-chemical basis.

Graphical abstract: Strategies for grouping per- and polyfluoroalkyl substances (PFAS) to protect human and environmental health
Open Access Critical Review

Quantifying the efficiency and selectivity of organohalide dechlorination by zerovalent iron

The various types and definitions of efficiency and selectivity that are used to quantitate the performance of organohalide reduction by zerovalent iron are reviewed and compared.

Graphical abstract: Quantifying the efficiency and selectivity of organohalide dechlorination by zerovalent iron
Open Access Critical Review

The atmospheric chemistry of indoor environments

The review article summarizes the wide variety of atmospheric chemistry phenomena that occur indoors.

Graphical abstract: The atmospheric chemistry of indoor environments
Open Access Critical Review

The concept of essential use for determining when uses of PFASs can be phased out

The concept of essential use is developed and applied to various uses of PFASs to determine the feasibility of elimination or substitution in each use category.

Graphical abstract: The concept of essential use for determining when uses of PFASs can be phased out
Open Access Critical Review

Illuminating the dark side of indoor oxidants

A review of the current understanding of oxidants and their precursors in indoor environments.

Graphical abstract: Illuminating the dark side of indoor oxidants
Open Access Critical Review

Isocyanic acid (HNCO) and its fate in the atmosphere: a review

Isocyanic acid (HNCO) has recently been identified in ambient air at potentially concerning concentrations for human health. Since its first atmospheric detection, significant progress has been made in understanding its sources and sinks.

Graphical abstract: Isocyanic acid (HNCO) and its fate in the atmosphere: a review
From the themed collection: Recent Open Access Articles
Open Access Critical Review

Emerging investigator series: towards a framework for establishing the impacts of pharmaceuticals in wastewater irrigation systems on agro-ecosystems and human health

Use of reclaimed wastewater for agricultural irrigation is seen as an attractive option to meet agricultural water demands of a growing number of countries suffering from water scarcity.

Graphical abstract: Emerging investigator series: towards a framework for establishing the impacts of pharmaceuticals in wastewater irrigation systems on agro-ecosystems and human health
From the themed collection: Emerging Investigator Series
Open Access Critical Review

Methane emissions: choosing the right climate metric and time horizon

We compare and make recommendations for the use of different climate metrics and time horizons with respect to methane emissions, applying to a case study of LNG as a shipping fuel.

Graphical abstract: Methane emissions: choosing the right climate metric and time horizon
Open Access Critical Review

Sunlight-mediated inactivation of health-relevant microorganisms in water: a review of mechanisms and modeling approaches

Inactivation occurs via direct and indirect processes in sunlit waters.

Graphical abstract: Sunlight-mediated inactivation of health-relevant microorganisms in water: a review of mechanisms and modeling approaches
Open Access Paper

The importance of aromaticity to describe the interactions of organic matter with carbonaceous materials depends on molecular weight and sorbent geometry

DOM sorption by CMs is generally controlled by DOM aromaticity but complex sorbent surfaces with high porosity, curvatures and functional groups strongly reduce the importance of aromaticity for sorption.

Graphical abstract: The importance of aromaticity to describe the interactions of organic matter with carbonaceous materials depends on molecular weight and sorbent geometry
From the themed collection: Recent Open Access Articles
Open Access Paper

A novel model concept for modelling the leaching of natural toxins: results for the case of ptaquiloside

Illustration of the processes considered in the model affecting toxin fate at the pedon-scale (Image ID:d0em00182a-u1.gif = ptaquiloside).

Graphical abstract: A novel model concept for modelling the leaching of natural toxins: results for the case of ptaquiloside
From the themed collection: Recent Open Access Articles
Open Access Paper

Surface precipitation of Mn2+ on clay minerals enhances Cd2+ sorption under anoxic conditions

Under anoxic conditions, clay minerals sorb dissolved Mn(II) predominantly by forming surface precipitates, which increase Cd sorption.

Graphical abstract: Surface precipitation of Mn2+ on clay minerals enhances Cd2+ sorption under anoxic conditions
From the themed collection: Recent Open Access Articles
Open Access Paper

The ecological half-life of radiocesium in surficial bottom sediments of five ponds in Fukushima based on in situ measurements with plastic scintillation fibers

Ecological half-life (Teco) of 137Cs concentration over wide pond areas of surface sediments was evaluated from in situ monitoring with plastic scintillation fibers (PSF) between 2013 and 2019.

Graphical abstract: The ecological half-life of radiocesium in surficial bottom sediments of five ponds in Fukushima based on in situ measurements with plastic scintillation fibers
From the themed collection: Recent Open Access Articles
Open Access Paper

Multimodal X-ray microanalysis of a UFeO4: evidence for the environmental stability of ternary U(V) oxides from depleted uranium munitions testing

An environmentally aged (>25 years) radioactive particle of UFeO4 recovered from soil contaminated with munitions depleted uranium (DU) was characterised by microbeam multimodal synchrotron X-ray analysis.

Graphical abstract: Multimodal X-ray microanalysis of a UFeO4: evidence for the environmental stability of ternary U(v) oxides from depleted uranium munitions testing
From the themed collection: Recent Open Access Articles
Open Access Paper

Composition and photo-reactivity of organic matter from permafrost soils and surface waters in interior Alaska

Yedoma permafrost soils are especially susceptible to abrupt thaw due to their exceptional thickness and high ice content.

Graphical abstract: Composition and photo-reactivity of organic matter from permafrost soils and surface waters in interior Alaska
From the themed collection: Recent Open Access Articles
Open Access Paper

Secondary organic aerosol formation from evaporated biofuels: comparison to gasoline and correction for vapor wall losses

With an ongoing interest in displacing petroleum-based sources of energy with biofuels, we measure and model the formation and composition of secondary organic aerosol (SOA) from organic compounds present in biofuels.

Graphical abstract: Secondary organic aerosol formation from evaporated biofuels: comparison to gasoline and correction for vapor wall losses
From the themed collection: Recent Open Access Articles
Open Access Paper

Cooking and electronic cigarettes leading to large differences between indoor and outdoor particle composition and concentration measured by aerosol mass spectrometry

This study assesses aerosol chemical composition PM1 (<1 μm) with the state-of-the-art techniques inside and outside of an occupied residence.

Graphical abstract: Cooking and electronic cigarettes leading to large differences between indoor and outdoor particle composition and concentration measured by aerosol mass spectrometry
From the themed collection: Recent Open Access Articles
Open Access Paper

Interactions of ferrous iron with clay mineral surfaces during sorption and subsequent oxidation

Under anoxic conditions, clay minerals sorb dissolved Fe(II) predominantly by forming surface precipitates, which transform into Fe(III)-phases upon aeration.

Graphical abstract: Interactions of ferrous iron with clay mineral surfaces during sorption and subsequent oxidation
From the themed collection: Recent Open Access Articles
Open Access Paper

Photochemical fate of quaternary ammonium compounds in river water

The photochemical fate of quaternary ammonium compounds in surface water is largely influenced by reaction with hydroxyl radicals.

Graphical abstract: Photochemical fate of quaternary ammonium compounds in river water
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Quantitative measures of myo-IP6 in soil using solution 31P NMR spectroscopy and spectral deconvolution fitting including a broad signal

Inositol phosphates, particularly myo-inositol hexakisphosphate (myo-IP6), are an important pool of soil organic phosphorus (P) in terrestrial ecosystems.

Graphical abstract: Quantitative measures of myo-IP6 in soil using solution 31P NMR spectroscopy and spectral deconvolution fitting including a broad signal
From the themed collection: Recent Open Access Articles
Open Access Paper

Temporal trends of suspect- and target-per/polyfluoroalkyl substances (PFAS), extractable organic fluorine (EOF) and total fluorine (TF) in pooled serum from first-time mothers in Uppsala, Sweden, 1996–2017

Temporal trends (1996–2017) of suspect- and target-per/polyfluoroalkyl substances (PFAS), extractable organic fluorine (EOF) and total fluorine (TF) were determined in first-time mothers from Uppsala, Sweden.

Graphical abstract: Temporal trends of suspect- and target-per/polyfluoroalkyl substances (PFAS), extractable organic fluorine (EOF) and total fluorine (TF) in pooled serum from first-time mothers in Uppsala, Sweden, 1996–2017
From the themed collection: Recent Open Access Articles
Open Access Paper

A simple field-based biodegradation test shows pH to be an inadequately controlled parameter in laboratory biodegradation testing

We developed a field-based biodegradation test based on OECD 309 which minimizes the need for laboratory resources. Significant differences in biodegradation rates were observed between parallel lab and field tests likely due to pH disparities.

Graphical abstract: A simple field-based biodegradation test shows pH to be an inadequately controlled parameter in laboratory biodegradation testing
From the themed collection: Recent Open Access Articles
Open Access Paper

A geospatially resolved database of hydraulic fracturing wells for chemical transformation assessment

A database to unify physicochemical parameters of oil and gas wells with chemical additive disclosures helps highlight chemical transformation potential across the United States with geospatial specificity, informing improved industrial practice and environmental assessment.

Graphical abstract: A geospatially resolved database of hydraulic fracturing wells for chemical transformation assessment
From the themed collection: Recent Open Access Articles
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
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
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
Open Access Paper

Comprehensive screening of quaternary ammonium surfactants and ionic liquids in wastewater effluents and lake sediments

Quaternary ammonium compounds were found at substantial levels in wastewater effluents and sediment samples with wastewater treatment practices and usage rates determining their environmental prevalence.

Graphical abstract: Comprehensive screening of quaternary ammonium surfactants and ionic liquids in wastewater effluents and lake sediments
From the themed collection: Recent Open Access Articles
Open Access Paper

Trends in heavy metals, polychlorinated biphenyls and toxicity from sediment cores of the inner River Thames estuary, London, UK

River islands (Ait or Eyot) within the inner tidal Thames serve as unique recorders of current and historical estuarine chemical pollution.

Graphical abstract: Trends in heavy metals, polychlorinated biphenyls and toxicity from sediment cores of the inner River Thames estuary, London, UK
From the themed collection: Recent Open Access Articles
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
Open Access Paper

The molecular interactions of organic compounds with tire crumb materials differ substantially from those with other microplastics

Sorption of organic compounds to tire crumb materials highly resembles sorption to the rubber fraction and less sorption to carbon black and sorption to tire materials differs substantially from sorption to other microplastics.

Graphical abstract: The molecular interactions of organic compounds with tire crumb materials differ substantially from those with other microplastics
From the themed collection: Recent Open Access Articles
Open Access Paper

Using recirculating flumes and a response surface model to investigate the role of hyporheic exchange and bacterial diversity on micropollutant half-lives

A flume experimental design to test effects of hyporheic exchange and bacterial diversity on the fate of micropollutants in rivers.

Graphical abstract: Using recirculating flumes and a response surface model to investigate the role of hyporheic exchange and bacterial diversity on micropollutant half-lives
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Exploring open cheminformatics approaches for categorizing per- and polyfluoroalkyl substances (PFASs)

Combining expert knowledge, SMARTS-based cheminformatics and the ontology-based ClassyFire, the categorization of PFASs with open cheminformatics approaches is explored with a set of 770 PFASs.

Graphical abstract: Exploring open cheminformatics approaches for categorizing per- and polyfluoroalkyl substances (PFASs)
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Leachate emissions of short- and long-chain per- and polyfluoralkyl substances (PFASs) from various Norwegian landfills

Restrictions on the use of long-chain per- and polyfluoralkyl substances (PFASs) has led to substitutions with short-chain PFASs.

Graphical abstract: Leachate emissions of short- and long-chain per- and polyfluoralkyl substances (PFASs) from various Norwegian landfills
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Geochemical conditions conducive for retention of trace elements and radionuclides during shale–fluid interactions

Geochemical interactions occurring at the shale–water interface resulting in mobilization and retardation of solutes to produced water.

Graphical abstract: Geochemical conditions conducive for retention of trace elements and radionuclides during shale–fluid interactions
From the themed collection: Recent Open Access Articles
Open Access Paper

NO2 and natural organic matter affect both soot aggregation behavior and sorption of S-metolachlor

Transformation of soot with NO2 and interactions with NOM decreased the soot surface charge, size and sorption affinity for organic contaminants.

Graphical abstract: NO2 and natural organic matter affect both soot aggregation behavior and sorption of S-metolachlor
From the themed collection: Recent Open Access Articles
Open Access Paper

Biochar particle aggregation in soil pore water: the influence of ionic strength and interactions with pyrene

Adsorption of pyrene to biochar surfaces in a solution with low CaCl2 concentrations results in charge neutralization and promotes biochar aggregation.

Graphical abstract: Biochar particle aggregation in soil pore water: the influence of ionic strength and interactions with pyrene
From the themed collection: Recent Open Access Articles
Open Access Paper

Prospects for finding Junge variability-lifetime relationships for micropollutants in the Danube river

Junge variability-lifetime relationships could potentially be used to infer persistence of micropollutants in rivers from field measurements of concentrations.

Graphical abstract: Prospects for finding Junge variability-lifetime relationships for micropollutants in the Danube river
From the themed collection: Recent Open Access Articles
Open Access Paper

Organic contaminants of emerging concern in Norwegian digestates from biogas production

The aim of this study was to analyze a variety of environmental organic contaminants of emerging concern (CEC) and their metabolites in representative digestate samples from Norwegian biogas production plants.

Graphical abstract: Organic contaminants of emerging concern in Norwegian digestates from biogas production
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Role of location, season, occupant activity, and chemistry in indoor ozone and nitrogen oxide mixing ratios

Indoor field studies and in situ chamber experiments illustrate the interdependence of oxidants and oxidant precursors in residences.

Graphical abstract: Role of location, season, occupant activity, and chemistry in indoor ozone and nitrogen oxide mixing ratios
From the themed collection: Recent Open Access Articles
Open Access Paper

Residential water-soluble organic gases: chemical characterization of a substantial contributor to indoor exposures

Characterization of residential indoor air showed that organic acids make up a significant portion of water-soluble organic gases.

Graphical abstract: Residential water-soluble organic gases: chemical characterization of a substantial contributor to indoor exposures
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Assessment of fine particles released during paper printing and shredding processes

In this study, we investigated the airborne particles released during paper printing and paper shredding processes in an attempt to characterize and differentiate these particles.

Graphical abstract: Assessment of fine particles released during paper printing and shredding processes
From the themed collection: Recent Open Access Articles
Open Access Paper

Distribution of five SVOCs in a model room: effect of vacuuming and air cleaning measures

We monitored the distribution of SVOCs in model rooms in dependence of temperature and cleaning measures over a period of six months.

Graphical abstract: Distribution of five SVOCs in a model room: effect of vacuuming and air cleaning measures
From the themed collection: Recent Open Access Articles
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

Comparability of long-term temporal trends of POPs from co-located active and passive air monitoring networks in Europe

Atmospheric concentrations and temporal trends of PCB 28 measured by co-located active (green) and passive (red) air sampling at the Birkenes monitoring station in Norway from 2004–2018.

Graphical abstract: Comparability of long-term temporal trends of POPs from co-located active and passive air monitoring networks in Europe
From the themed collection: Recent Open Access Articles
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
Open Access Paper

Provenance of drinking water revealed through compliance sampling

First use of drinking water compliance samples for hydrochemistry. Distinct groundwater–surface water split. Samples show water provenance.

Graphical abstract: Provenance of drinking water revealed through compliance sampling
From the themed collection: Recent Open Access Articles
Open Access Paper

The behaviour of irrigation induced Se in the groundwater-soil-plant system in Punjab, India

Selenium species transformation is the key to understand the strong long-term Se enrichment in soils and its critical transfer into plants.

Graphical abstract: The behaviour of irrigation induced Se in the groundwater-soil-plant system in Punjab, India
From the themed collection: Recent Open Access Articles
Open Access Paper

Comparison of analytical techniques to explain variability in stored drinking water quality and microbial hand contamination of female caregivers in Tanzania

Identifying explanatory variables of stored drinking water quality and hand contamination in Bagamoyo, Tanzania using 3 different modeling techniques.

Graphical abstract: Comparison of analytical techniques to explain variability in stored drinking water quality and microbial hand contamination of female caregivers in Tanzania
From the themed collection: Recent Open Access Articles
Open Access Paper

Bromoanisoles and methoxylated bromodiphenyl ethers in macroalgae from Nordic coastal regions

The content of bromoanisoles and methoxylated bromodiphenyl ethers varies by orders of magnitude among sixteen species of macroalgae collected from Nordic coastal waters.

Graphical abstract: Bromoanisoles and methoxylated bromodiphenyl ethers in macroalgae from Nordic coastal regions
From the themed collection: Recent Open Access Articles
Open Access Paper

Global transport of perfluoroalkyl acids via sea spray aerosol

Sea spray aerosols can act as a vector for sea-to-land transport of perfluorinated alkyl acids via the atmosphere.

Graphical abstract: Global transport of perfluoroalkyl acids via sea spray aerosol
From the themed collection: Recent Open Access Articles
Open Access Paper

Effect of bicarbonate and phosphate on arsenic release from mining-impacted sediments in the Cheyenne River watershed, South Dakota, USA

We investigated the effect of competing environmentally relevant anions (PO43−,HCO3) on the release of As from solids (WW, DR) collected from the Cheyenne River watershed exposed to surface oxidizing conditions.

Graphical abstract: Effect of bicarbonate and phosphate on arsenic release from mining-impacted sediments in the Cheyenne River watershed, South Dakota, USA
From the themed collection: Recent Open Access Articles
Open Access Paper

Updated and validated solar irradiance reference spectra for estimating environmental photodegradation rates

Irradiance reference spectra are used to calculate environmentally relevant photodegradation half-lives, but the currently used spectra were originally published in the 1980s with limited validation.

Graphical abstract: Updated and validated solar irradiance reference spectra for estimating environmental photodegradation rates
From the themed collection: Recent Open Access Articles
Open Access Paper

Urban sources of synthetic musk compounds to the environment

Synthetic musk compounds found in ambient air and surface tributary waters may due to emissions from indoor air and release from wastewater treatment plant.

Graphical abstract: Urban sources of synthetic musk compounds to the environment
From the themed collection: Recent Open Access Articles
Open Access Paper

Microphysics of the aqueous bulk counters the water activity driven rate acceleration of bromide oxidation by ozone from 289–245 K

Microphysics of the aqueous bulk counters rate acceleration of bromide oxidation by ozone at low temperatures.

Graphical abstract: Microphysics of the aqueous bulk counters the water activity driven rate acceleration of bromide oxidation by ozone from 289–245 K
From the themed collection: Recent Open Access Articles
Open Access Paper

Per- and polyfluoroalkyl substances and fluorine mass balance in cosmetic products from the Swedish market: implications for environmental emissions and human exposure

Occurrence of PFASs, total fluorine and extractable organic fluorine in cosmetic products and their importance to human and environmental exposure.

Graphical abstract: Per- and polyfluoroalkyl substances and fluorine mass balance in cosmetic products from the Swedish market: implications for environmental emissions and human exposure
Open Access Paper

Determination of polar organic micropollutants in surface and pore water by high-resolution sampling-direct injection-ultra high performance liquid chromatography-tandem mass spectrometry

A new method was developed for in situ characterization of polar organic micropollutants in hyporheic pore water at high spatial and temporal resolution.

Graphical abstract: Determination of polar organic micropollutants in surface and pore water by high-resolution sampling-direct injection-ultra high performance liquid chromatography-tandem mass spectrometry
From the themed collection: Recent Open Access Articles
Open Access Paper

Cloud droplet activation of organic–salt mixtures predicted from two model treatments of the droplet surface

A new monolayer model predicts the bulk-surface partitioning, surface composition, and thickness of droplets comprising chemically unresolved, atmospherically relevant organic aerosols.

Graphical abstract: Cloud droplet activation of organic–salt mixtures predicted from two model treatments of the droplet surface
From the themed collection: Recent Open Access Articles
Open Access Paper

Differences in bulk and microscale yttrium speciation in coal combustion fly ash

Yttrium speciation in coal fly ash differs depending on the scale of the analysis.

Graphical abstract: Differences in bulk and microscale yttrium speciation in coal combustion fly ash
From the themed collection: Recent Open Access Articles
78 items - Showing page 1 of 2

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