Anna Sobek
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View article: Disentangling the Impacts of PAHs, Microplastics, and Sediment Resuspension on Algal Physiology: A Partial Least Squares Structural Equation Modeling Approach
Disentangling the Impacts of PAHs, Microplastics, and Sediment Resuspension on Algal Physiology: A Partial Least Squares Structural Equation Modeling Approach Open
Environmental stressors, such as contaminants and physical factors, rarely act in isolation, and studying their joint effects provides a more accurate reflection of real-world scenarios. To capture these interactions and disentangle the di…
View article: Testing effects of a mixture of hydrophobic organic contaminants and zinc in <i>Daphnia magna</i>
Testing effects of a mixture of hydrophobic organic contaminants and zinc in <i>Daphnia magna</i> Open
Ecotoxicity assessments often struggle with contaminant mixtures. This study explored combining chemical activity of hydrophobic organic contaminants (HOCs) and metals, using zinc as a model. An acute Daphnia magna immobilization test, wit…
View article: Multidimensional-Constrained Suspect Screening of Hydrophobic Contaminants Using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry
Multidimensional-Constrained Suspect Screening of Hydrophobic Contaminants Using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry Open
Suspect screening strives to rapidly monitor a large number of substances in a sample using mass spectral libraries. For hydrophobic organic contaminants (HOCs), these libraries are traditionally based on electron ionization mass spectra. …
View article: Exploiting Molecular Ions for Screening Hydrophobic Contaminants in Sediments Using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry
Exploiting Molecular Ions for Screening Hydrophobic Contaminants in Sediments Using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry Open
Hydrophobic organic contaminants (HOCs) are conventionally screened by matching electron ionization (EI) mass spectra acquired using gas chromatography-mass spectrometry (GC-MS) to reference spectra. However, extensive in-source fragmentat…
View article: Multidimensional-constrained Suspect Screening of Hydrophobic Chemicals Using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry
Multidimensional-constrained Suspect Screening of Hydrophobic Chemicals Using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry Open
Suspect screening strives to rapidly monitor a large number of substances in a sample using mass spectral libraries. For hydrophobic organic chemicals (HOCs), these libraries are primarily based on electron ionization mass spectra. To impr…
View article: Exploiting Molecular Ions for Screening Hydrophobic Contaminants in Sediments using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry
Exploiting Molecular Ions for Screening Hydrophobic Contaminants in Sediments using Gas Chromatography-Atmospheric Pressure Chemical Ionization-Ion Mobility-Mass Spectrometry Open
Hydrophobic organic compounds (HOCs) are conventionally screened by matching experimental- to reference electron ionization (EI) mass spectra acquired using gas chromatography-mass spectrometry (GC-MS). However, for identification of novel…
View article: Water column organic carbon composition as driver for water-sediment fluxes of hazardous pollutants in a coastal environment
Water column organic carbon composition as driver for water-sediment fluxes of hazardous pollutants in a coastal environment Open
The environmental fate of hazardous hydrophobic pollutants in the marine environment is strongly influenced by organic carbon (OC) cycling. As an example, the seasonality in primary production impacts both water column OC quantity and qual…
View article: Differences in phytoplankton population vulnerability in response to chemical activity of mixtures
Differences in phytoplankton population vulnerability in response to chemical activity of mixtures Open
A chemical mixture caused diverse responses across five phytoplankton species. Analysis of lipid profiles and changes in neutral lipid content enhanced our understanding of the vulnerability of phytoplankton populations to chemical polluti…
View article: Chemical Activity-Based Loading of Artificial Sediments with Organic Pollutants for Bioassays: A Proof of Concept
Chemical Activity-Based Loading of Artificial Sediments with Organic Pollutants for Bioassays: A Proof of Concept Open
Persistent organic pollutants (POPs) pose a risk in aquatic environments. In sediment, this risk is frequently evaluated using total or organic carbon-normalized concentrations. However, complex physicochemical sediment characteristics aff…
View article: Does pre-exposure to polluted sediment affect sub-cellular to population-level responses to contaminant exposure in a sentinel species?
Does pre-exposure to polluted sediment affect sub-cellular to population-level responses to contaminant exposure in a sentinel species? Open
Understanding how key-species respond to anthropogenic stress such as chemical pollution is critical for predicting ecosystem changes. Little is however known about the intra-specific variability in the physiological and biochemical traits…
View article: Assessing the effects of a mixture of hydrophobic contaminants on the algae Rhodomonas salina using the chemical activity concept
Assessing the effects of a mixture of hydrophobic contaminants on the algae Rhodomonas salina using the chemical activity concept Open
The production and release of chemicals from human activities are on the rise. Understanding how the aquatic environment is affected by the presence of an unknown number of chemicals is lacking. We employed the chemical activity concept to…
View article: Scenario-based modelling of changes in chemical intake fraction in Sweden and the Baltic Sea under global change
Scenario-based modelling of changes in chemical intake fraction in Sweden and the Baltic Sea under global change Open
The climate in Europe is warming twice as fast as it is across the rest of the globe, and in Sweden annual mean temperatures are forecast to increase by up to 3-6 °C by 2100, with increasing frequency and magnitude of floods, heatwaves, an…
View article: Multiple stressor effects of a heatwave and a herbicide on zooplankton communities: Implications of global climate change
Multiple stressor effects of a heatwave and a herbicide on zooplankton communities: Implications of global climate change Open
Aquatic ecosystems are exposed to pesticides through various pathways such as spray-drift, agricultural runoff, and chemical spills. Understanding the impact of pesticides on freshwater ecosystems requires not only understanding how pestic…
View article: ECORISK2050: An Innovative Training Network for predicting the effects of global change on the emission, fate, effects, and risks of chemicals in aquatic ecosystems
ECORISK2050: An Innovative Training Network for predicting the effects of global change on the emission, fate, effects, and risks of chemicals in aquatic ecosystems Open
By 2050, the global population is predicted to reach nine billion, with almost three quarters living in cities. The road to 2050 will be marked by changes in land use, climate, and the management of water and food across the world. These g…
View article: Biogeochemical functioning of the Baltic Sea
Biogeochemical functioning of the Baltic Sea Open
Location, specific topography, and hydrographic setting together with climate change and strong anthropogenic pressure are the main factors shaping the biogeochemical functioning and thus also the ecological status of the Baltic Sea. The r…
View article: Sediment Remediation Using Activated Carbon: Effects of Sorbent Particle Size and Resuspension on Sequestration of Metals and Organic Contaminants
Sediment Remediation Using Activated Carbon: Effects of Sorbent Particle Size and Resuspension on Sequestration of Metals and Organic Contaminants Open
Thin-layer capping using activated carbon has been described as a cost-effective in situ sediment remediation method for organic contaminants. We compared the capping efficiency of powdered activated carbon (PAC) against granular activated…
View article: ECORISK2050: An Innovative Training Network for predicting the effects of global change on the emission, fate, effects, and risks of chemicals in aquatic ecosystems
ECORISK2050: An Innovative Training Network for predicting the effects of global change on the emission, fate, effects, and risks of chemicals in aquatic ecosystems Open
By 2050, the global population is predicted to reach nine billion, with almost three quarters living in cities. The road to 2050 will be marked by changes in land use, climate, and the management of water and food across the world. These g…
View article: Combined effects of heatwaves and micropollutants on freshwater ecosystems: Towards an integrated assessment of extreme events in multiple stressors research
Combined effects of heatwaves and micropollutants on freshwater ecosystems: Towards an integrated assessment of extreme events in multiple stressors research Open
Freshwater ecosystems are strongly influenced by weather extremes such as heatwaves (HWs), which are predicted to increase in frequency and magnitude in the future. In addition to these climate extremes, the freshwater realm is impacted by…
View article: Inconsistencies in How Environmental Risk Is Evaluated in Sweden for Dumping Dredged Sediment at Sea
Inconsistencies in How Environmental Risk Is Evaluated in Sweden for Dumping Dredged Sediment at Sea Open
Millions of tons of dredged sediment are dumped at sea annually. International conventions limit dumping when there is a risk of adverse ecological effects, for example if the sediment is contaminated. However, the perception of risk diffe…
View article: Effects of Organic Carbon Origin on Hydrophobic Organic Contaminant Fate in the Baltic Sea
Effects of Organic Carbon Origin on Hydrophobic Organic Contaminant Fate in the Baltic Sea Open
The transport and fate of hydrophobic organic contaminants (HOCs) in the marine environment are closely linked to organic carbon (OC) cycling processes. We investigated the influence of marine versus terrestrial OC origin on HOC fluxes at …
View article: Comment on esd-2021-33
Comment on esd-2021-33 Open
Location, specific topography and hydrographic setting together with climate change and strong anthropogenic pressure are the main factors shaping the biogeochemical functioning and thus also the ecological status of the Baltic Sea. The re…
View article: Baltic Earth Assessment Report on the biogeochemistry of the Baltic Sea
Baltic Earth Assessment Report on the biogeochemistry of the Baltic Sea Open
Location, specific topography and hydrographic setting together with climate change and strong anthropogenic pressure are the main factors shaping the biogeochemical functioning and thus also the ecological status of the Baltic Sea. The re…
View article: The Baltic Health Index (BHI): Assessing the social–ecological status of the Baltic Sea
The Baltic Health Index (BHI): Assessing the social–ecological status of the Baltic Sea Open
Improving the health of coastal and open sea marine ecosystems represents a substantial challenge for sustainable marine resource management, since it requires balancing human benefits and impacts on the ocean. This challenge is often exac…