Showing 931-945 of 1183
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US chemical industry spent $61M to fend off PFAS regulations
Policy
4 May 2021
Campaign finance records reveal that seven of largest PFAS producers and their industry trade groups spent at least $61 million during 2019 and 2020, the majority of which did not comprise campaign donations but instead funded lobbying efforts aimed at members of Congress and Donald Trump’s administration.
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Serum concentrations of per−/polyfluoroalkyl substances and risk of type 2 diabetes: A case-control study
Science
4 May 2021 | Sci. Tot. Env.
PFHxS and PFHpA exposure were associated with an increased risk of developing type 2 diabetes.
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Diffusion of perfluoroalkyl acids through clay-rich soil
Science
4 May 2021 | J Contam Hydrol
Surface diffusion serves a potentially important role for strongly sorbing PFAAs in clay-rich soils.
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The Case for Direct Measures of Soil-to-Groundwater Contaminant Mass Discharge at AFFF-Impacted Sites
Science
4 May 2021 | Environ Sci Technol
This perspective provides a rationale for why alternative approaches are critically necessary and proposes a practical solution to accurately assess PFAS transport within unsaturated vadose zone soils.
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Microwave regeneration of granular activated carbon saturated with PFAS
Science
4 May 2021 | Water Res
Multiple cycles of microwave treatments were found to successfully regenerate activated carbon saturated with PFOA and PFOS.
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Interference of C6O4 on platelet aggregation pathways: Cues on the new-generation of perfluoro-alkyl substance
Science
4 May 2021 | Environ Int
A PFAS alternative, C6O4, was associated with an increased risk of cardiovascular events.
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Occurrence of per- and polyfluoroalkyl substances (PFASs) in wastewater of major cities across China in 2014 and 2016
Science
4 May 2021 | Chemosphere
Population density and per capita gross domestic product have positive correlations with the concentration of PFBA, PFOA, PFHxA, and total-PFAS in wastewater.
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Immunotoxicity of Per-and Polyfluoroalkyl Substances: Insights into Short-Chain PFAS Exposure
Science
3 May 2021 | Toxics
Understudied PFAS have toxicological potential but require additional investigation across endpoints and species, including humans, to understand health effects via drinking water exposure.
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Towards a Long-Chain Perfluoroalkyl Replacement: Water and Oil Repellent Perfluoropolyether-Based Polyurethane Oligomers
Science
3 May 2021 | Polymers (Basel)
A short-chain PFAS was developed to replace legacy chemicals without losing functionality.
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PFAS paper mill settlement reflects growing trend
News
28 Apr 2021 | National Law Review
Just a few days ago, an $11.9 million settlement was announced in a Michigan lawsuit in which a class of approximately 3,000 plaintiffs alleged that a PFAS manufacturer and a PFAS-using paper mill contaminated drinking water supplies, thereby polluting the environment and placing nearby citizens at increased risk of adverse health effects.
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Bioactivity Profiling of Per- and Polyfluoroalkyl Substances (PFAS) Identifies Potential Toxicity Pathways Related to Molecular Structure
Science
28 Apr 2021 | Toxicology
Using 142 PFAS, key structural features were associated with receptor activity which can inform the design of new structures devoid of biological activity.
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Total and class-specific analysis of per- and polyfluoroalkyl substances in environmental samples using nuclear magnetic resonance spectroscopy
Science
27 Apr 2021 | J Haz. Mat. L.
This paper presents 19F-NMR reference spectra for 34 PFAS and discusses the complementarity of this method with other approaches for the total and class-specific analysis of PFAS.
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Thermal Regeneration of Spent Granular Activated Carbon Presents an Opportunity to Break the Forever PFAS Cycle
Science
27 Apr 2021 | Environ Sci Technol
This comprehensive review evaluates the past two decades of research on conventional thermal regeneration of activated carbon and critically analyzes and summarizes the literature on regeneration of PFAS-laden activated carbon.
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Gestational exposure to perfluoroalkyl substances and congenital heart defects: A nested case-control pilot study
Science
27 Apr 2021 | Environ Int
Gestational exposure to linear PFAS was found to be associated with cardiac deformities.
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Atmospheric Fate of a New Polyfluoroalkyl Building Block, CFOCHFCFSCHCHOH
Science
27 Apr 2021 | Environ Sci Technol
The kinetics and degradation pathway of a novel PFAS, FESOH, was investigated.