Showing 931-945 of 1718
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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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Gestational exposure to GenX induces hepatic alterations by the gut-liver axis in maternal mice: A similar mechanism as PFOA
Science
1 Feb 2022 | Sci Total Environ
Gestational exposure to PFOA or GenX induced similar disease indicator changes in maternal livers.
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A review of PFAS fingerprints in fish from Norwegian freshwater bodies subject to different source inputs
Science
1 Feb 2022 | Environ Sci Process Impacts
Source tracking of PFAS exposure was most successful using fish livers, with fingerprints from AFFF dominated by PFOS and PFSA and fingerprints from paper production dominated by PFCAs and high ∑PFAS and PFOS.
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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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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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[Working Paper] Nordic enforcement project on PFOS and PFOA in chemical products and articles
Science
25 Jan 2022 | Norden
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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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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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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Bioaccumulation and impact of maternal PFAS offloading on egg biochemistry from wild-caught freshwater turtles (Emydura macquarii macquarii)
Science
17 Jan 2022 | Sci Total Environ
PFAS from the mothers were found to bioaccumulate in egg yolks which contained up to 97% of bioaccumulated PFAS, and impacted eggs had changes in metabolite, lipid, and protein levels.
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Anthropogenic Drivers of Variation in Concentrations of Perfluoroalkyl Substances in Otters () from England and Wales.
Science
17 Jan 2022 | Environ Sci Technol
PFAS concentrations in otters were positively associated with effluent from wastewater treatment plants, agriculture, and a fluoropolymer production facility.
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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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Cannabis may be a surprising solution to Maine’s ‘forever chemicals’ problem
News
16 Jan 2022 | BDN
It turns out that when it comes to neutralizing at least one group of toxic chemicals, the solution may be planting cannabis. Lots of it.