Showing 751-765 of 1105
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PFAS in German children: Human biomonitoring data highlight urgent need for group restriction
News
23 Jul 2020 | CHEM Trust
One-fifth of the participants had levels of the PFAS chemical PFOA in their blood that exceeded the HBM-I-value, which indicates an exposure at which harmful effects cannot be excluded.
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Per- and polyfluoroalkyl substances in ducks and the relationship with concentrations in water, sediment, and soil
Science
22 Jul 2020 | Environ. Toxicol. Chem.
Elevated PFOS and PFOS+PFHxS concentrations in ducks were observed near local point-sources, but also at wetlands with no known point-sources of contamination.
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Cooking methods affect the intake of per- and polyfluoroalkyl substances (PFASs) from grass carp
Science
22 Jul 2020 | Ecotoxicol. Environ. Saf.
The effects of various cooking methods (boiling, steaming, grilling, and frying) on the levels of PFASs in fish muscle and the intake of PFASs were explored.
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Interactions of Perfluorooctanesulfonate and 6:2 Chlorinated Polyfluorinated Ether Sulfonate with Human Serum Albumin: A Comparative Study
Science
21 Jul 2020 | Chem Res Toxicol
6:2 Cl-PFESA was found to have a stronger binding affinity human blood cells than PFOS.
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Laboratory-scale and pilot-scale stabilization and solidification (S/S) remediation of soil contaminated with per- and polyfluoroalkyl substances (PFASs)
Science
21 Jul 2020 | J of Haz. Mat.
PFOA and PFOS was found to be remediated up to 97% in soil.
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Background contamination of perfluoralkyl substances in a Belgian general population
Science
21 Jul 2020 | Toxicol. Lett.
Half of the population showed PFOS and PFOA serum levels above the health guidance values set by the German HBM Commission.
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Accumulation of six PFAS compounds by woody and herbaceous plants: potential for phytoextraction
Science
14 Jul 2020 | Int J Phytoremediation
PFPeA, PFHxA, PFOA, PFBS, PFHxS, and PFOS were successfully remediated using herbaceous and woody plant species.
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Are feathers of a songbird model species (the great tit: ) suitable for monitoring perfluoroalkyl acids (PFAAs) in blood plasma?
Science
14 Jul 2020 | Environ. Sci. Technol.
Results suggest that feathers cannot be used to estimate PFOA and PFOS concentrations in blood plasma, except when there is a great deal of variation in pollutant concentrations among sites/individual birds.
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Efficient Photocatalytic PFOA Degradation over Boron Nitride
Science
13 Jul 2020 | ES&T L
Boron nitride was found to efficiently defluorinate PFAS when combined with UV light.
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Serum Half-Lives for Short- and Long-Chain Perfluoroalkyl Acids after Ceasing Exposure from Drinking Water Contaminated by Firefighting Foam
Science
13 Jul 2020 | Environ. Health Perspect.
Branched PFOS isomers had shorter half-lives than linear PFOS isomers in contaminated human blood.
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Boron nitride destroys PFAS ‘forever’ chemicals PFOA, GenX
News
7 Jul 2020 | EurekAlert
Rice University chemical engineers found an efficient catalyst for destroying PFAS "forever" chemicals where they least expected.
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Pregnancy per- and polyfluoroalkyl substance concentrations and postpartum health in Project Viva, a prospective cohort
Science
7 Jul 2020 | J. Clin. Endocrinol. Metab.
Pregnancy concentrations of EtFOSAA, PFOS, and PFOA were associated with above-normal weight gain.
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Perfluorooctane sulfonic acid, a persistent organic pollutant, inhibits iodide accumulation by thyroid follicular cells in vitro
Science
7 Jul 2020 | Mol. Cell. Endocrinol.
PFOS was associated with specific mechanisms of action resulting in endocrine disruption.
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Perfluorooctanoic Acid Activates the Unfolded Protein Response in Pancreatic Acinar Cells
Science
30 Jun 2020 | J Biochem Mol Toxicol
PFOA-induced stress in cells may be the trigger leading to decreased pancreatic function.
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[Press Release] Scientists Urge Business & Government to Treat PFAS Chemicals as a Class
Policy
30 Jun 2020
All per- and polyfluorinated substances (PFAS) should be treated as one class and avoided for nonessential uses, according to a peer-reviewed article published today in Environmental Science & Technology Letters.