Showing 136-150 of 605
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Bioremediation of perfluorochemicals: current state and the way forward
Science
7 Feb 2022 | Bioprocess Biosyst Eng
This review examines the efficiencies of the different bacterial, plant, and fungal species in PFAS bioremediation under different conditions, their limitations, and their improvement.
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Per- and polyfluoroalkyl substances in the environment
Science
7 Feb 2022 | Science
This review summarizes the sources, transport, degradation, and toxicological implications of the megatonne of PFAS produced yearly, highlighting the importance of investigating potential PFAS replacements, the importance of lifecycle considerations, and that PFAS remediation efforts are still in their infancy.
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Serum levels of perfluoroalkyl substances (PFAS) and body composition - A cross-sectional study in a middle-aged population
Science
1 Feb 2022 | Environ Res
PFOA, PFNA, and PFDA were inversely related to fat mass measurements in women but not men, while PFOS and PFHxS had no consistent associations with body composition.
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[Working Paper] Nordic enforcement project on PFOS and PFOA in chemical products and articles
Policy
25 Jan 2022
The Nordic Enforcement Group found that 10% of chemical products and articles were non-compliant with restrictions on PFOA and PFOS, with more products containing other PFAS that are not yet restricted.
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PFAS Molecules: A Major Concern for the Human Health and the Environment
Science
25 Jan 2022 | Toxics
This review summarizes the current knowledge on PFAS chemistry uses, occurrence, and environmental fate, with a particular emphasis on effects on humans as well as an analysis of the European Union’s efforts to regulate and remediate PFAS.
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Sulfonamide Functional Head on Short-Chain Perfluorinated Substance Drives Developmental Toxicity
Science
25 Jan 2022 | iScience
FBSA exposure leads to changes in DNA that result in abnormal body structure and disrupted gene expression in human model species.
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Background release and potential point sources of per-and polyfluoroalkyl substances to municipal wastewater treatment plants across Australia
Science
24 Jan 2022 | Chemosphere
About 60% of PFAS in Australian wastewater treatment plant influent was due to background release (at a rate of 8.1-24 μg/day/person) with the remaining ~40% due to point sources including industrial activities.
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Indiana firefighters could get annual blood testing for PFAS under proposed pilot program
Policy
20 Jan 2022
Indiana firefighters could get annual blood testing for exposure to synthetic PFAS chemicals through a proposed pilot program, according to a new bill introduced in the Statehouse.
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Perfluorooctanoic acid (PFOA)-induced alterations of biomolecules in the wetland plant Alisma orientale
Science
20 Jan 2022 | Sci Total Environ
FTIR was used to demonstrate the adverse effects of PFOA on plant growth and water uptake.
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Legal obstacles to toxic chemical research
Policy
17 Jan 2022
Amid debate about how policymakers should apply existing scientific findings, these science-hindering features are easy to overlook including insufficient availability of chemical standards, limited public access to information, and excessive fragmentation of information within and among government agencies.
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A worldwide evaluation of trophic magnification of per- and polyfluoroalkyl substances in aquatic ecosystems
Science
17 Jan 2022 | Integr Environ Assess Manag
This review discusses the variability of environmental characteristics driving PFAS biomagnification in natural ecosystems and highlights the different approaches used by various studies, which can make comparisons among studies challenging.
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Mass-Labeled Fluorotelomer Alcohol Fragmentation Gives "False Positive" for Nonlabeled Fluorotelomer Alcohols with Implications for Consumer Product Analysis
Science
17 Jan 2022 | J Am Soc Mass Spectrom
Deuterium or hydrogen abstraction of some standards was found to produce a false positive when testing for FTOHs by chemical ionization mass spectrometry.
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Michigan’s first PFAS site cleanup trial is scheduled to begin this year
News
12 Jan 2022 | MLive
The first civil trial to arise out of Michigan’s multi-year pursuit of cleanup at toxic PFAS contamination sites is scheduled to take place this summer.
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Injustice Forever? Toxic PFAS Chemicals Have ‘Made a Mockery of Our Environmental Regulations’
Policy
10 Jan 2022
With a lack of regulations addressing toxic “forever chemicals,” students and professors at a Vermont college have taken their research skills into communities to spur action.
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Increased levels of perfluorooctanesulfonic acid (PFOS) during Hurricane Dorian on the east coast of Florida
Science
10 Jan 2022 | Environ Res
Mean PFOS levels in surface water showed the greatest increase of 177% during the hurricane and returned to baseline levels after two days.