Showing 241-255 of 952
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Per- and polyfluoroalkyl substances (PFASs) in airborne particulate matter (PM2.0) emitted during floor waxing: A pilot study
Science
16 Nov 2021 | Atmos. Environ.
Significantly higher levels of PFAS were measured during floor waxing, potentially putting occupational workers at greater risk.
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Investigation of levels of perfluoroalkyl substances in freshwater fishes collected in a contaminated area of Veneto Region, Italy
Science
16 Nov 2021 | Environ Sci Pollut Res Int
Consumption of fish more than once a month from a contaminated region of Italy might result in high exposure to PFAS.
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A New OECD Definition for Per- and Polyfluoroalkyl Substances
Science
16 Nov 2021 | Environ Sci Technol
The Organisation for Economic Co-operation and Development and the United Nations Environment Programme expanded on their definition of PFAS to include fluorinated substances that contain at least one fully fluorinated methyl or methylene carbon atom.
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The infrastructure law aims to clean up pollution in your community
News
15 Nov 2021 | Vox
The law also makes another $10 billion investment in cleaning up PFAS, a class of “forever chemicals” commonly found in drinking water.
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[Blog] The Big Reveal: Hundreds of Health Studies on Next Gen PFAS
News
10 Nov 2021 | NRDC
The PFAS-Tox Database has been updated and includes 1068 studies.
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Per- and Polyfluoroalkyl Substance Exposure Combined with High-Fat Diet Supports Prostate Cancer Progression
Science
9 Nov 2021 | Nutrients
PFOS exposure in conjunction with a high-fat diet may contribute to prostate cancer development and increase tumor aggressiveness.
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Perfluorooctane sulfonate (PFOS) triggers migration and invasion of esophageal squamous cell carcinoma cells via regulation of Zeb1
Science
9 Nov 2021 | Drug Chem Toxicol
Environmental exposure and body accumulation of PFOS might be an important risk factor for esophagus cancer progression, one of the most deadly cancers worldwide.
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Half-lives of several polyfluoroalkyl substances (PFAS) in cattle serum and tissues
Science
9 Nov 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
Cattle drank water contaminated with PFAS-containing fire fighting from were found to have PFOS, PFHpS, PFNA, PFDA, and PFHxS in their blood which was used to estimate half-lives for these substances.
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Engineering human liver fatty acid binding protein for detection of poly- and perfluoroalkyl substances
Science
9 Nov 2021 | Biotechnol Bioeng
A novel method of detecting selected PFAS in water (at parts per billion or million levels) by using human liver proteins was developed and implemented in field applications.
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Per- and polyfluoroalkyl substance (PFAS) exposure, maternal metabolomic perturbation, and fetal growth in African American women: A meet-in-the-middle approach
Science
9 Nov 2021 | Environ Int
Higher PFOA and PFNA blood levels in pregnant African American women were associated with reduced fetal growth.
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Exposure to perfluoroalkyl substances in waste recycling workers: Distributions in paired human serum and urine
Science
9 Nov 2021 | Environ Int
The results of this study suggest that sorters at recycling facilities may be directly exposed to PFAS and is the first to detect PFPAs in human urine.
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Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland
Science
9 Nov 2021 | Chemosphere
Moderate consumption of most Baltic fishes exceeded the tolerable weekly intake set by the European Commission for the sum of four PFAS (PFOA, PFNA, PFHxS, and PFOS).
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Emerging investigator series: human CYP2A6 catalyzes the oxidation of 6:2 fluorotelomer alcohol
Science
9 Nov 2021 | Environ Sci Process Impacts
An enzyme was found to play an important role in the indirect human exposure to bioactive and persistent PFCAs which are metabolites of 6:2 fluorotelomer alcohol.
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Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis
Science
9 Nov 2021 | Environ Sci Technol
Common solvents were found to degrade PFAS during chemical analysis, potentially corrupting results.
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Global occurrence and probabilistic environmental health hazard assessment of per- and polyfluoroalkyl substances (PFASs) in groundwater and surface waters
Science
8 Nov 2021 | Sci Total Environ
US EPA drinking water lifetime health advisory levels were exceeded for PFOS in up to 74% of Oceania groundwater samples and exceeded for PFOA in up to 69% of North American groundwater samples.