Showing 2401-2415 of 3147
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Serum Per- and Polyfluoroalkyl Substance (PFAS) Concentrations and Predictors of Exposure among Pregnant African American Women in the Atlanta Area, Georgia.
Science
17 Nov 2020 | Environ Res
PFHxS, PFOS, PFOA, and PFNA were detected in > 95% samples with education, parity, BMI, tobacco use, and year of sampling were significantly associated with some serum PFAS levels.
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Formation of perfluorocarboxylic acids (PFCAs) during the exposure of earthworms to 6:2 fluorotelomer sulfonic acid (6:2 FTSA)
Science
17 Nov 2020 | Sci Total Environ
Five terminal PFCA metabolites, including TFA, PFPrA, PFBA, PFPeA and PFHxA were found to be biotransformed from 6:2 FTSA in earthworms.
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Associations between polyfluoroalkyl substance and organophosphate flame retardant exposures and telomere length in a cohort of women firefighters and office workers in San Francisco
Science
17 Nov 2020 | medRxiv
Significant positive associations were found between PFOA and PFOS and telomere length among the whole cohort with stronger associations among firefighters.
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PFAS and Dissolved Organic Carbon Enrichment in Surface Water Foams on a Northern U.S. Freshwater Lake
Science
17 Nov 2020 | Environ Sci Technol
Estimates indicate that foam ingestion is a potentially important route of exposure for children and adults when they are in surface waters where foam is present.
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Association between Prenatal Exposure to PFAS and Fetal Sex Hormones: Are the Short-Chain PFAS Safer?
Science
16 Nov 2020 | Environ Sci Technol
Prenatal exposure to PFBS and PFHpA was associated with the characteristics of reproductive toxicity.
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Seeking PFAS cleanup, New Jersey sues Solvay and Arkema
News
13 Nov 2020 | C&EN
New Jersey is suing Solvay Specialty Polymers and Arkema to clean up PFAS at a site along the Delaware River and in drinking water.
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Selective Associations of Recent Low Concentrations of Perfluoroalkyl Substances With Liver Function Biomarkers: NHANES 2011 to 2014 Data on US Adults Aged ≥20 Years
Science
11 Nov 2020 | J Occup Environ Med
Recent lower levels of PFOA, PFHxS, and PFNA are associated with higher serum liver functions but only among obese participants.
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Per- and Polyfluoroalkyl Substances in the Air Particles of Asia: Levels, Seasonality, and Size-Dependent Distribution
Science
11 Nov 2020 | Environ Sci Technol
PFOS distributed on specific sizes exhibited seasonal and regional dependency, while no such patterns were observed for PFOA.
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Biden EPA transition team member helped DuPont dodge responsibility for PFOA
News
11 Nov 2020 | The Intercept
Michael McCabe, a former EPA official and aide to Joe Biden, led DuPont’s defense of PFOA avoiding regulation that would have cost DuPont dearly.
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The Biden plan to secure environmental justice
Policy
10 Nov 2020
Biden will tackle PFAS pollution by designating PFAS as a hazardous substance, setting enforceable limits for PFAS in the Safe Drinking Water Act, prioritizing substitutes through procurement, and accelerating toxicity studies and research on PFAS.
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Association between per and polyfluoroalkyl substances and markers of inflammation and oxidative stress
Science
10 Nov 2020 | Environ Res.
PFAS are associated with markers of chronic inflammation and oxidative stress.
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PFAS exposure and overweight/obesity among children in a nationally representative sample
Science
10 Nov 2020 | Chemosphere
Elevated PFOA concentrations were associated with overweight/obesity among children after multivariable adjustment.
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Occurrence and Distribution of Per- and Polyfluoroalkyl Substances in Tianjin, China: The Contribution of Emerging and Unknown Analogues
Science
10 Nov 2020 | Environ Sci Technol .
Field-derived sediment-water distribution coefficients of emerging PFAS are provided for the first time, confirming that cationic and zwitterionic PFASs tend to be strongly associated with sediments.
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Exposure to Perfluorooctanoic Acid Induces Cognitive Deficits via Altering Gut Microbiota Composition, Impairing Intestinal Barrier Integrity, and Causing Inflammation in Gut and Brain
Science
10 Nov 2020 | J Agric Food Chem
PFOA exposure has potentially harmful immflamatory effects on the gut and brain.
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Per- and Polyfluoroalkyl Substances in Dust Collected from Residential Homes and Fire Stations in North America
Science
10 Nov 2020 | Environ Sci Technol
PFOS, PFOA, PFHxS, PFNA, and 6:2 diPAP were significantly higher in dust from fire stations than from homes, and 8:2 FTOH was significantly higher in homes than in fire stations.