Showing 916-930 of 1631
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A sensitive method for the detection of legacy and emerging per- and polyfluorinated alkyl substances (PFAS) in dairy milk
Science
9 Aug 2021 | Anal Bioanal Chem
A sensitive method for the determination of 27 PFAS in milk was hence modified and applied on raw and processed milk samples from 13 farms across the US.
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Environmental Sources, Chemistry, Fate and Transport of Per- and Polyfluoroalkyl Substances: State of the Science, Key Knowledge Gaps, and Recommendations Presented at the August 2019 SETAC Focus Topic Meeting
Science
4 Aug 2021 | Environ Toxicol Chem
The synthesis of varying viewpoints and discussion of the current state of the science is highlighted to facilitate the assessment and management of PFAS.
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New compounds, old problems. The case of C6O4 - a substitute of PFOA - and its effects to the clam Ruditapes philippinarum
Science
4 Aug 2021 | J Hazard Mater
C6O4-a was found to disrupt the normal biology of an indicator species of clam.
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Maternal Perfluoroalkyl Substances, Thyroid Hormones, and Genes: A Spanish Cross-sectional Study
Science
4 Aug 2021 | Environ Sci Technol
As PFOA levels increased, hormones which growth and development, levels decreased.
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Accumulation of PFAS by livestock - determination of transfer factors from water to serum for cattle and sheep in Australia
Science
4 Aug 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
PFOS and PFHxS were in cattle serum in appreciable amounts while PFHpS, PFNA, and PFDA were much lower.
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Perfluorooctanoic acid exposure in early pregnancy induces oxidative stress in mice uterus and liver
Science
4 Aug 2021 | Environ Sci Pollut Res Int
PFOA exposure was found to cause damage to the liver and the loss of embryos.
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EPA Approval of PFAS for Fracking May Spell a New Health Crisis for Communities
News
30 Jul 2021 | Truthout
At least 130 oil and gas companies … have used PFAS, or chemicals that can break down into PFAS in fracking in at least 1,200 wells in the U.S. since 2012.
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Evaluation of Different Extraction Methods for the Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Dried Blood Spots from the Florida Manatee (Trichechus manatus)
Science
28 Jul 2021 | Environ Toxicol Chem
An improved method of obtaining marine mammal blood was developed to detect PFAS in sentinel species.
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First Report on the Bioaccumulation and Trophic Transfer of Perfluoroalkyl Ether Carboxylic Acids in Estuarine Food Web
Science
27 Jul 2021 | Environ. Sci. Technol.
HFPO-TrA, HFPO-TeA, and PFO5DoA could be biomagnified along the food chain in editable fishes.
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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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Efforts underway in Europe to ban PFAS compounds
News
23 Jul 2021 | Chemistry World
The five European countries are proposing to ban the entire class of chemicals.
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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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Spatial and Temporal Patterns of PFAS Occurrence at a Wastewater Beneficial Reuse Site in Central Pennsylvania
Science
20 Jul 2021 | ASABE
PFAS present in the crop tissue suggests that PFAS may enter the food chain once those crops are fed to livestock.
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Perfluoroalkyl substances (PFAS) adsorption in drinking water by granular activated carbon: Influence of activated carbon and PFAS characteristics
Science
20 Jul 2021 | Sci Total Environ
Activated carbon filters were found to absorb different PFAS from contaminated water at different efficiencies.
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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.