Showing 1276-1290 of 1718
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Development and validation of an LC-MS/MS method for the quantitation of 30 legacy and emerging per- and polyfluoroalkyl substances (PFASs) in human plasma, including HFPO-DA, DONA, and cC6O4
Science
20 Dec 2021 | Anal Bioanal Chem
An assay was developed suitable for large-scale analyses of a wide range of legacy and emerging PFAS in human plasma.
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Extractable organofluorine analysis: A way to screen for elevated per- and polyfluoroalkyl substance contamination in humans?
Science
19 Dec 2021 | Environ Int
Extractable organofluorine analysis was found to be an accurate screening method for detecting high PFAS levels in human blood.
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PFAS ‘forever chemicals’ constantly cycle through ground, air and water, study finds
News
18 Dec 2021 | The Guardian
Seaspray aerosols may be a source of PFAAs to the air, where they can undergo long-distance transportation, traveling thousands of kilometers.
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PFAS ‘forever chemicals’ constantly cycle through ground, air and water, study finds
News
18 Dec 2021 | The Guardian
Toxic PFAS “forever chemicals” in the ocean are transported from seawater to air when waves hit the beach and that phenomenon represents a significant source of air pollution, a new study from Stockholm University has found.
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The use of in vitro methods in assessing human health risks associated with short-chain perfluoroalkyl and polyfluoroalkyl substances (PFAS)
Science
13 Dec 2021 | J Appl Toxicol
This review summarizes the PFAS toxicity data obtained using human cells in vitro, discusses the advantages and limitations of cell-based models, and provides thoughts on potential solutions to the challenges of these methods.
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Montmorillonite clay-based sorbents decrease the bioavailability of per- and polyfluoroalkyl substances (PFAS) from soil and their translocation to plants
Science
13 Dec 2021 | Environ Res
The addition of amended clay to soils was found to reduce the uptake of PFAS into edible crops by up to 74%.
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PFOA induces alteration in DNA methylation regulators and SARS-CoV-2 targets and in mouse lung tissues
Science
12 Dec 2021 | Toxicol Rep
PFOA was found to change gene expression in lungs, potentially increasing susceptibility to COVID-19.
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[Press Release] Chemical companies tout green credentials whilst developing hazardous chemicals behind closed doors
News
9 Dec 2021 | ChemSec
Chemical companies around the world are actively marketing their greener, more sustainable products, whilst holding back details on the mass production of hazardous chemicals, ChemSec’s ranking of chemical companies reveals today.
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Per- and Poly-fluoroalkyl Substances (PFAS) and Female Reproductive Outcomes: PFAS Elimination, Endocrine-Mediated Effects, and Disease
Science
30 Nov 2021 | Toxicology
A summary of the role of PFAS in female reproductive dysfunction and disease is presented with the major data gaps, highlighting the importance for further study of the action mechanisms of PFAS harm in women.
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Uptake of perfluoroalkyl substances, pharmaceuticals, and parabens by oyster mushrooms (Pleurotus ostreatus) and exposure risk in human consumption
Science
24 Nov 2021 | Chemosphere
Uptake of PFAS by oyster mushrooms was negatively correlated with perfluorocarbon chain length, and mushrooms grown in soil contaminated by PFAS may pose a risk if consumed.
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Legislation to Protect Public Health and the Environment from PFAS
Policy
16 Nov 2021
Several state attorneys generals write to urge a U.S. Congressional Committee to pass legislation that ensures that PFAS contamination is addressed.
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Perfluorooctane sulfonate (PFOS) triggers migration and invasion of esophageal squamous cell carcinoma cells via regulation of Zeb1
Science
9 Nov 2021 | Drug Chem Toxicol
Environmental exposure and body accumulation of PFOS might be an important risk factor for esophagus cancer progression, one of the most deadly cancers worldwide.
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Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis
Science
9 Nov 2021 | Environ Sci Technol
Common solvents were found to degrade PFAS during chemical analysis, potentially corrupting results.
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Emerging investigator series: human CYP2A6 catalyzes the oxidation of 6:2 fluorotelomer alcohol
Science
9 Nov 2021 | Environ Sci Process Impacts
An enzyme was found to play an important role in the indirect human exposure to bioactive and persistent PFCAs which are metabolites of 6:2 fluorotelomer alcohol.
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Exposure to perfluoroalkyl substances in waste recycling workers: Distributions in paired human serum and urine
Science
9 Nov 2021 | Environ Int
The results of this study suggest that sorters at recycling facilities may be directly exposed to PFAS and is the first to detect PFPAs in human urine.