Showing 1441-1455 of 1669
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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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PFAS Exposure Pathways for Humans and Wildlife: A Synthesis of Current Knowledge and Key Gaps in Understanding
Science
16 Nov 2020 | Environ Toxicol Chem
Here we synthesize current understanding of the magnitudes and methods for assessing human and wildlife exposures to PFAS.
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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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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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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.
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Associations between six common per- and polyfluoroalkyl substances and estrogens in neonates of China.
Science
10 Nov 2020 | J Hazard Mater
This study provided epidemiological data on the associations between common PFAS exposures resulting in hormone disruption in newborns.
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Exposure to perfluorobutane sulfonate and perfluorooctanesulfonic acid disrupts the production of angiogenesis factors and stress responses in human placental syncytiotrophoblasts
Science
10 Nov 2020 | Reprod Toxicol
Exposure to PFOS or PFBS impacts several key pathways associated with preeclampsia.
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Trends and Patterns of Perfluoroalkyl Substances in Blood Plasma Samples of Bald Eagle Nestlings in Wisconsin and Minnesota, USA
Science
3 Nov 2020 | Environ. Toxicol. Chem.
PFAS concentrations in nestlings were found to depend on proximity to industrial areas and age.
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From Waste Collection Vehicles to Landfills: Indication of Per- and Polyfluoroalkyl Substance (PFAS) Transformation
Science
3 Nov 2020 | ES&T L
Leachate from waste collection vehicles was tested and found to contain PFAS precursors suggesting precursor transformation to PFAAs during the course of landfill disposal.
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Deterministic risk assessment of firefighting water additives to aquatic organisms
Science
3 Nov 2020 | Ecotoxicology
This study investigated the toxicity of six firefighting PFAS additives: Eco-Gel™, Thermo-Gel™, FireAde™, Fire-Brake™, Novacool Foam™, and F-500™ to aquatic biota.
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Microbial Cleavage of C-F Bonds in Two C Per- and Polyfluorinated Compounds via Reductive Defluorination
Science
3 Nov 2020 | Environ Sci Technol
Microbes were found to be able to successfully degrade PFAS under common anaerobic conditions.
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Per- and Polyfluoroalkyl Substance and Cardio Metabolic Markers in Firefighters
Science
3 Nov 2020 | J Occup Environ Med
Firefighters were found to have elevated PFHxS and were not associated with cardiometabolic risk.
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Toxic synthetic 'forever chemicals' are in our water and on our plates
News
2 Nov 2020 | PBS
It was the start of the 2016 growing season when the farmers were told their water was contaminated.