Showing 286-300 of 890
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A Roadmap to the Structure-Related Metabolism Pathways of Per- and Polyfluoroalkyl Substances in the Early Life Stages of Zebrafish
Science
27 Jul 2021 | Environ Health Perspect
Five structural categories of PFAS were prone to metabolism with perfluoroalkyl carboxamides showing the highest hydrolysis rates, followed by carboxyesters and sulfonamides.
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Distribution characteristics of per- and polyfluoroalkyl substances (PFASs) in human urines of acrylic fiber plant and chemical plant
Science
26 Jul 2021 | Environ Sci Pollut Res Int
Short-chain PFASs (such as: PFBA and PFBS) were becoming dominant for human exposure, especially occupational workers.
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OEHHA Releases Long-Awaited Proposed Public Health Goals for PFOA and PFOS
News
23 Jul 2021 | JD Surpa
The draft goals identified by OEHHA are 0.007 parts per trillion (ppt) for PFOA to address concerns based on kidney cancer in humans associated with exposure to PFOA and 1 ppt for PFOS to address concerns related to liver and pancreatic tumors in laboratory animals associated with exposure to PFOS.
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Thyroid Disruptors: Extrathyroidal Sites of Chemical Action and Neurodevelopmental Outcome-an Examination Using Triclosan and Perfluorohexane Sulfonate (PFHxS)
Science
21 Jul 2021 | Toxicol Sci
Lifelong exposure to PFAS could affect both the thyroid hormone status and the immune defense of perch in the wild.
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Placental Transfer and Composition of Perfluoroalkyl Substances (PFASs): A Korean Birth Panel of Parent-Infant Triads
Science
20 Jul 2021 | Toxics
Gestational age and birth weight were positively associated with a placental transfer rate of PFOA, PFHxS, and PFOS, while pre-pregnant BMI and weight were inversely associated with PFOS.
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Perfluorononanoic acid impedes mouse oocyte maturation by inducing mitochondrial dysfunction and oxidative stress
Science
20 Jul 2021 | Reprod Toxicol
PFNA was found to inhibit the development of immature eggs preventing successful reproduction.
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Chronic low-level perfluorooctane sulfonate (PFOS) exposure promotes testicular steroidogenesis through enhanced histone acetylation
Science
20 Jul 2021 | Environ Pollut
Low-level PFOS exposure was found to promote the development of steroid hormones.
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Perfluoroalkyl substances (PFASs) in leachate, fly ash, and bottom ash from waste incineration plants: Implications for the environmental release of PFAS
Science
19 Jul 2021 | Sci Total Environ
PFBA and PFBS were associated with leachate contamination while PFOS was found to travel in fly ash readily.
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Time for EPA to come clean on PFAS
News
14 Jul 2021 | The Hill
Corporate coverups allowed PFAS to flood our environment. To stem the damage, we need to turn off the tap.
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Perfluoroalkyl substances (PFAS) exposure and kidney damage: Causal interpretation using the US 2003–2018 National Health and Nutrition Examination Survey (NHANES) datasets
Science
13 Jul 2021 | Environ. Pollut.
PFOA, PFOS, and PFHxS are causally linked to kidney damage in the American population.
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LC-HRMS screening of per- and polyfluorinated alkyl substances (PFAS) in impregnated paper samples and contaminated soils
Science
13 Jul 2021 | Anal Bioanal Chem
PFAS in paper sludge was linked to contamination in soils.
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Perfluoroalkyl acids on suspended particles: Significant transport pathways in surface runoff, surface waters, and subsurface soils
Science
13 Jul 2021 | J Hazard Mater .
Suspended particles, often an overlooked vector for PFAAs, can be a dominant pathway for the transport of PFAAs in environments.
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The relationship between maternal perfluoroalkylated substances exposure and low birth weight of offspring: a systematic review and meta-analysis
Science
13 Jul 2021 | Environ Sci Pollut Res Int
Grouping analysis of PFOS showed a significant positive correlation between maternal PFOS exposure and low birth weights in American babies.
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The association between maternal perfluoroalkyl substances exposure and early attention deficit hyperactivity disorder in children: a systematic review and meta-analysis
Science
13 Jul 2021 | Environ Sci Pollut Res Int
PFOS, PFOA, and PFNA exposure during pregnancy might be associated with increased preterm birth risk, miscarriage, and preeclampsia.
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Bioaccumulation, Biodistribution, Toxicology and Biomonitoring of Organofluorine Compounds in Aquatic Organisms
Science
13 Jul 2021 | Int J Mol Sci
The potential use of species as bioindicators for biomonitoring studies is discussed and data is summarized regarding the number of monitored PFAS and their total concentration as a function of the investigated species.