Showing 1936-1950 of 3347
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Absorption and elimination of per and poly-fluoroalkyl substances substitutes in salmonid species after pre-fertilization exposure
Science
4 Jan 2022 | Sci Total Environ
PFBA, PFBS, and GenX were eliminated faster than PFOS or PFOA in fish.
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Change in global PFAS Cycling as a response of permafrost degradation to climate change
Science
4 Jan 2022 | J. Hazard. Mater. Adv.
Permafrost is a likely source of PFAS pollution due to the freeze-thaw process, which changes the spatial distribution of different compounds of PFAS in permafrost depth.
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Minnesota Department of Health PFHxA health-based guidance for water
Policy
4 Jan 2022
Minnesota's Department of Health updated its toxicological profile for PFHxA.
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Combined Use of Total Fluorine and Oxidative Fingerprinting for Quantitative Determination of Side-Chain Fluorinated Polymers in Textiles
Science
3 Jan 2022 | ES&T
A method was developed to determine the side-chain fluorinated polymer concentrations in terms of the side chain mass, as opposed to fluorine equivalents, facilitating the estimation of the structure and quantity of PFAA degradation products in medical textiles.
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Insufficient evidence for the existence of natural trifluoroacetic acid
Science
3 Jan 2022 | Environ. Sci.: Processes Impacts
The authors argue that there is not sufficient evidence that TFA occurs naturally, contrary to previous claims.
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Predicting the effects of per- and polyfluoroalkyl substance mixtures on peroxisome proliferator-activated receptor alpha activity in vitro
Science
2 Jan 2022 | Toxicology
PFSA and PFCA altered normal endocrine function.
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Cross-sectional associations between serum PFASs and inflammatory biomarkers in a population exposed to AFFF-contaminated drinking water
Science
1 Jan 2022 | Int J Hyg Environ Health
PFAS exposure from drinking water contaminated with AFFF leads to altered inflammatory profiles, which may be associated with adverse health conditions such as inflammatory bowel disease.
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US EPA turns down requests for more PFAS toxicity testing
Policy
30 Dec 2021
The US EPA has deferred or turned down advocacy groups’ requests to require Chemours to conduct toxicity tests on dozens of fluorochemicals found in North Carolina drinking water supplies.
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PFAS destruction technologies are starting to emerge
News
29 Dec 2021 | C&EN
Communities across the US are desperate to rid their environments of toxic per- and polyfluoroalkyl substances (PFAS), especially when these chemicals are in their drinking water.
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Sea Spray Aerosol (SSA) as a Source of Perfluoroalkyl Acids (PFAAs) to the Atmosphere: Field Evidence from Long-Term Air Monitoring
Science
21 Dec 2021 | Environ Sci Technol
Seaspray aerosols may be a source of PFAAs to the air, where they can undergo long-distance transportation.
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Immunotoxicity of PFOA to the Marine Bivalve Species Ruditapes philippinarum
Science
21 Dec 2021 | Environ Toxicol Chem
PFOA was found to be immunotoxic to saltwater clams, at different levels highlighting the potentially detrimental effects of PFAS contamination in marine ecosystems.
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New Additions to the Proposition 65 List
Policy
20 Dec 2021
Over the past week, several new PFAS have been added to California’s Proposition 65 list.
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Forever chemicals: FL Senate panel proposes to tackle PFAS contamination
Policy
20 Dec 2021
The proposed committee bill would create a 16-member task force by next fall to determine how to identify and clean up contamination with PFAS, used for decades in a variety of consumer products such as food packaging and cookware.
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Environmental pollutant exposure associated with altered early-life gut microbiome: Results from a birth cohort study
Science
20 Dec 2021 | Environ Res
Prenatal exposure to PFAS is associated with alterations to gut microbiome development in infants, with larger effects in breastfed and cesarean-section-born babies.
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Development and validation of an LC-MS/MS method for the quantitation of 30 legacy and emerging per- and polyfluoroalkyl substances (PFASs) in human plasma, including HFPO-DA, DONA, and cC6O4
Science
20 Dec 2021 | Anal Bioanal Chem
An assay was developed suitable for large-scale analyses of a wide range of legacy and emerging PFAS in human plasma.