Showing 466-480 of 1056
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Perfluorooctanesulfonic acid (PFOS) thwarts the beneficial effects of calorie restriction and Metformin
Science
20 Apr 2021 | Toxicol Sci
PFOS exposure inhibited the beneficial effects of diabetes treatments.
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Long-term leaching of PFAS from contaminated agricultural soils in Germany
Science
19 Apr 2021 | J. Contam. Hydrol.
Analysis of field data over a time period of 12 years revealed no or slowly decreasing trends as well as seasonal fluctuations, likely due to the ongoing transformation of precursors and a seasonal influence on production rates of mobile PFAS.
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‘Forever chemicals,’ other pollutants found around the summit of Everest
News
17 Apr 2021 | Washington Post
PFAS likely shed from climbers’ outdoor gear such as parkas and tents, which are often treated with chemicals to weatherproof.
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Lawmakers, environmental activist introduce PFAS Action Act
News
13 Apr 2021 | ABC News
U.S. Reps. Fred Upton (R-MI) and Debbie Dingell (D-MI) introduced legislation that aims to protect people and the environment from chemicals known as PFAS.
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Joint effects of prenatal exposure to per- and poly-fluoroalkyl substances and psychosocial stressors on corticotropin-releasing hormone during pregnancy
Science
13 Apr 2021 | J Expo Sci Environ Epidemiol
PFAS was associated with higher levels of stress hormones which affected joints in pregnant women.
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Toxicological Response of Chironomus dilutus in Single Chemical and Binary Mixture Exposure Experiments with Six Perfluoralkyl Substances
Science
13 Apr 2021 | Environ Toxicol Chem
PFOS was found to be the most toxic PFAS to aquatic life and suggests that PFOS could be more toxic to freshwater insects than previously reported.
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Time Trend of Persistent Organic Pollutants and Metals in Greenlandic Inuit during 1994-2015
Science
13 Apr 2021 | Int J Environ Res Public Health
PFOS, PFHxS, and PFOA decreased across Greenland while PFNA, PFDA, and PFUnDA increased in women.
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Occurrence and sources of per- and polyfluoroalkyl substances in the ice-melting lakes of Larsemann Hills, East Antarctica
Science
13 Apr 2021 | Sci Total Environ
In the ice-melting lakes, PFOA, PFOS, and Cl-PFESA were detected in ice-melt lakes on the eastern side of Antarctica where there are fewer on-site human activities.
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Biological and behavioural responses of European honey bee (Apis mellifera) colonies to perfluorooctane sulfonate (PFOS) exposure
Science
12 Apr 2021 | Integr Environ Assess Manag
PFOS exposure adversely affects honey bee colonies and may transfer to honey.
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Federal agencies plan to investigate links between PFAS exposure and viral illness
News
8 Apr 2021 | Circle of Blue
Two federal health agencies, National Center for Environmental Health and the Agency for Toxic Substances and Disease Registry, are planning to investigate potential links between exposure to toxic PFAS chemicals and susceptibility to viral illnesses such as Covid-19, pneumonia, and the flu.
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Alaska sues PFAS makers as lawmakers seek broader action from regulators
News
8 Apr 2021 | Alaska Public Media
The lawsuit focuses on two compounds — PFOS and PFOA — that are contained in firefighting foams commonly used at airports that are designed to suppress fuel fires.
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Considerations for Toxicity Experiments and Risk Assessments with PFAS Mixtures
Science
7 Apr 2021 | IEAM
This perspective article discusses available approaches for mixtures risk assessment with a specific focus on application to PFAS mixtures.
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Exploring Unknown Per- and Polyfluoroalkyl Substances in the German Environment – the Total Oxidizable Precursor Assay as Helpful Tool in Research and Regulation
Science
7 Apr 2021 | Sci. Total Environ.
Time trend analysis showed decreasing trends for most detected PFAS since 2005 with the results demonstrating that target analysis detects only a minor fraction of the PFAS burdens in environmental samples.
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PFAS accumulation in indigenous and translocated aquatic organisms from Belgium, with translation to human and ecological health risk
Science
7 Apr 2021 | Environ. Sci. Eur.
In mussels, PFAS profiles were dominated by PFOA and showed a higher relative contribution of short-chained PFAS, while PFAS profiles in fish were dominated by PFOS.
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Human exposure pathways to poly- and perfluoroalkyl substances (PFAS) from indoor media: A systematic review protocol
Science
7 Apr 2021 | Environ. Int
An adapted protocol was developed to utilize existing systematic review tools for exposure science questions concerning PFAS.