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Themed collection Best Papers 2018 – Environmental Science: Processes & Impacts

28 items
Editorial

Best Papers from 2018 in the Environmental Science family of journals: great science with a global reach

The Editors-in-Chief of the Environmental Science journals introduce the Best Papers of 2018.

Graphical abstract: Best Papers from 2018 in the Environmental Science family of journals: great science with a global reach
Open Access Perspective

Physiological modes of action across species and toxicants: the key to predictive ecotoxicology

We outline a research strategy that will deliver more effective theory and models for environmental risk assessment of chemicals.

Graphical abstract: Physiological modes of action across species and toxicants: the key to predictive ecotoxicology
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
Critical Review

The cycle of nitrogen in river systems: sources, transformation, and flux

Suspended particle–water and sediment–water interfaces, where oxic and suboxic microenvironments coexist, are the hotspots of nitrogen transformation in river systems.

Graphical abstract: The cycle of nitrogen in river systems: sources, transformation, and flux
Critical Review

Criegee intermediates and their impacts on the troposphere

Criegee intermediates (CIs), carbonyl oxides formed in ozonolysis of alkenes, play key roles in the troposphere.

Graphical abstract: Criegee intermediates and their impacts on the troposphere
Open Access Critical Review

Environmental fate and exposure models: advances and challenges in 21st century chemical risk assessment

Twenty-five years of progress in modeling the environmental fate and exposure of organic contaminants is reviewed, and a strategy for more rapidly adopting scientific progress into regulatory models is proposed.

Graphical abstract: Environmental fate and exposure models: advances and challenges in 21st century chemical risk assessment
Paper

Emerging investigator series: determination of biphasic core–shell droplet properties using aerosol optical tweezers

Algorithm to fit whispering gallery modes retrieves biphasic properties.

Graphical abstract: Emerging investigator series: determination of biphasic core–shell droplet properties using aerosol optical tweezers
Paper

Formation of N-nitrosamines by micelle-catalysed nitrosation of aliphatic secondary amines

Cation micelle-forming surfactants can contribute to the formation of carcinogenic and mutagenic N-nitrosamines by catalysing the nitrosation of secondary amines.

Graphical abstract: Formation of N-nitrosamines by micelle-catalysed nitrosation of aliphatic secondary amines
Paper

Understanding factors influencing the detection of mercury policies in modelled Laurentian Great Lakes wet deposition

Challenges for detecting sub-decadal policy-related changes in mercury wet deposition in the Great Lakes are identified through modelling.

Graphical abstract: Understanding factors influencing the detection of mercury policies in modelled Laurentian Great Lakes wet deposition
Paper

Photochemical degradation of halogenated estrogens under natural solar irradiance

Estrogen photolysis is strongly influenced by the extent of halogenation and pH.

Graphical abstract: Photochemical degradation of halogenated estrogens under natural solar irradiance
Open Access Paper

Inter-individual, inter-city, and temporal trends of per- and polyfluoroalkyl substances in human milk from Swedish mothers between 1972 and 2016

Inter-individual, inter-city, and temporal trends (1972–2016) in PFAS concentrations were examined in human milk from Sweden.

Graphical abstract: Inter-individual, inter-city, and temporal trends of per- and polyfluoroalkyl substances in human milk from Swedish mothers between 1972 and 2016
From the themed collection: Recent Open Access Articles
Open Access Paper

Spatial variation in the atmospheric deposition of perfluoroalkyl acids: source elucidation through analysis of isomer patterns

Perfluorooctanoic acid present in the atmosphere stems from both telomer and electrochemical fluorination manufacturing.

Graphical abstract: Spatial variation in the atmospheric deposition of perfluoroalkyl acids: source elucidation through analysis of isomer patterns
From the themed collection: Recent Open Access Articles
Paper

An experimental methodology to measure the reaction rate constants of processes sensitised by the triplet state of 4-carboxybenzophenone as a proxy of the triplet states of chromophoric dissolved organic matter, under steady-state irradiation conditions

This is an assessment of the reactivity of 4-carboxybenzophenone under steady-state irradiation.

Graphical abstract: An experimental methodology to measure the reaction rate constants of processes sensitised by the triplet state of 4-carboxybenzophenone as a proxy of the triplet states of chromophoric dissolved organic matter, under steady-state irradiation conditions
Paper

Bacterial bioreporter detection of arsenic associated with iron oxides

The mineral properties that govern the detection of surface-bound As(V) by bacterial bioreporters are identified.

Graphical abstract: Bacterial bioreporter detection of arsenic associated with iron oxides
Paper

Comparing winter-time herbicide behavior and exports in urban, rural, and mixed-use watersheds

This study compares winter-time herbicide yields, concentration patterns, and transport pathways in urban versus agricultural streams five to six years after a ban on cosmetic pesticide use.

Graphical abstract: Comparing winter-time herbicide behavior and exports in urban, rural, and mixed-use watersheds
Open Access Paper

Predicting global scale exposure of humans to PCB 153 from historical emissions

Modeled global concentrations of PCB-153 in human milk agree with measurements within a factor 4 for 49 of 78 observations.

Graphical abstract: Predicting global scale exposure of humans to PCB 153 from historical emissions
From the themed collection: Recent Open Access Articles
Open Access Paper

Mining legacy across a wetland landscape: high mercury in Upper Peninsula (Michigan) rivers, lakes, and fish

A geographic enigma is that atmospheric deposition of mercury is low and declining in the Upper Peninsula although total mercury (THg) and (MeHg) levels are high in waters and fish.

Graphical abstract: Mining legacy across a wetland landscape: high mercury in Upper Peninsula (Michigan) rivers, lakes, and fish
From the themed collection: Recent Open Access Articles
Paper

Hg isotopes reveal in-stream processing and legacy inputs in East Fork Poplar Creek, Oak Ridge, Tennessee, USA

Reduction processes and inputs of hyporheic pore water influence Hg cycling and flux in Hg-contaminated headwater stream.

Graphical abstract: Hg isotopes reveal in-stream processing and legacy inputs in East Fork Poplar Creek, Oak Ridge, Tennessee, USA
Paper

Emerging investigator series: methylmercury speciation and dimethylmercury production in sulfidic solutions

Experimental and computational evidence show that dimethylmercury is produced from decomposition of bis(methylmercury(II)) sulfide.

Graphical abstract: Emerging investigator series: methylmercury speciation and dimethylmercury production in sulfidic solutions
Open Access Paper

Temporal trends of halogenated flame retardants in the atmosphere of the Canadian Great Lakes Basin (2005–2014)

Temporal and spatial trends of total air concentrations (gas + particle) of halogenated flame retardants at the Canadian Great Lakes Basin were assessed (2005–2014).

Graphical abstract: Temporal trends of halogenated flame retardants in the atmosphere of the Canadian Great Lakes Basin (2005–2014)
Paper

Solid-phase extraction as sample preparation of water samples for cell-based and other in vitro bioassays

Effect recovery for bioassays was evaluated and was similar to recovery by chemical analysis for the studied SPE methods, providing support of bioassay use for water quality monitoring.

Graphical abstract: Solid-phase extraction as sample preparation of water samples for cell-based and other in vitro bioassays
Paper

Exploring the hydraulic fracturing parameter space: a novel high-pressure, high-throughput reactor system for investigating subsurface chemical transformations

Hydraulic fracturing coupled with horizontal drilling (HDHF) involves the deep-well injection of a fracturing fluid composed of diverse and numerous chemical additives designed to facilitate the release and collection of natural gas from shale plays.

Graphical abstract: Exploring the hydraulic fracturing parameter space: a novel high-pressure, high-throughput reactor system for investigating subsurface chemical transformations
Paper

Emerging investigator series: geochemistry of trace elements associated with Fe and Mn nodules in the sediment of limed boreal lakes

We report on the geochemical legacy of the liming of acidified lakes in Norway. We document the occurrence of Fe–Mn nodules and the diagenetic redistribution of trace-elements at the sediment–water interface of limed boreal lakes.

Graphical abstract: Emerging investigator series: geochemistry of trace elements associated with Fe and Mn nodules in the sediment of limed boreal lakes
From the themed collection: Emerging Investigator Series
Paper

Responses of deposition and bioaccumulation in the Great Lakes region to policy and other large-scale drivers of mercury emissions

The effect of policy on fish mercury levels varies spatially, even within the Great Lakes Basin.

Graphical abstract: Responses of deposition and bioaccumulation in the Great Lakes region to policy and other large-scale drivers of mercury emissions
Paper

Passive sampling of DDT, DDE and DDD in sediments: accounting for degradation processes with reaction–diffusion modeling

Applying passive sampling to reactive species may be a way to obtain information about in situ reactivity of compounds in sediments that occur on timescales of days to months.

Graphical abstract: Passive sampling of DDT, DDE and DDD in sediments: accounting for degradation processes with reaction–diffusion modeling
Paper

Evaluating parameter availability for physiologically based pharmacokinetic (PBPK) modeling of perfluorooctanoic acid (PFOA) in zebrafish

Physiologically based pharmacokinetic (PBPK) models are considered useful tools to describe the absorption, distribution, metabolism and excretion of xenobiotics.

Graphical abstract: Evaluating parameter availability for physiologically based pharmacokinetic (PBPK) modeling of perfluorooctanoic acid (PFOA) in zebrafish
Paper

Calibration and evaluation of PUF-PAS sampling rates across the Global Atmospheric Passive Sampling (GAPS) network

Here we present and evaluate a method to determine PUF-PAS sampling rates (RS), and the effective sampling volume (Veff), for gas-phase chemical compounds deployed anywhere in the world.

Graphical abstract: Calibration and evaluation of PUF-PAS sampling rates across the Global Atmospheric Passive Sampling (GAPS) network
28 items

About this collection

The Environmental Science Best Papers Initiative identified a variety of excellent papers published in the Royal Society of Chemistry’s Environmental Science journal family, showcasing great science from across the globe in diverse subject areas. However, selecting the winning papers was no easy decision. The journals’ Editorial and Advisory Boards who selected these papers were faced with many difficult choices. So, to celebrate more of the great papers published in Environmental Science: Processes & Impacts which really deserve recognition, we’ve gathered all nominated papers in this special collection.

Read the portfolio’s winning papers at http://rsc.li/enviro-bestpapers and also browse the nominated papers from our sister journals Environmental Science: Nano and Environmental Science: Water Research & Technology

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