Showing 1621-1635 of 2162
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Perfluoroalkyl contaminants in eggs from backyard chickens reared in Italy
Science
1 Jun 2021 | Food Chem.
Contamination was found to be higher in eggs from backyard chickens than in eggs from commercial laying hens and contribute to 29% of tolerable weekly intake in children.
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Concentrations and human exposure assessment of per and polyfluoroalkyl substances in farmed marine shellfish in South Africa
Science
1 Jun 2021 | Chemosphere
Short-chain PFAS were more prevalent than long-chain PFAS in farmed shellfish.
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Dry-wet and freeze-thaw cycles enhance PFOA leaching from subsurface soils
Science
1 Jun 2021 | J Haz. Mat. L
Dry-wet and freeze-thaw cycles mobilized PFOA in subsurface soil.
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Are there risks induced by novel and legacy poly- and perfluoroalkyl substances in coastal aquaculture base in South China?
Science
1 Jun 2021 | Sci Total Environ
F-53B was found frequently and has a relatively high concentration in seawater in coastal China.
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Unsaturated PFOS and Other PFASs in Human Serum and Drinking Water from an AFFF-Impacted Community.
Science
31 May 2021 | Environ Sci Technol
PFAS exposure levels decreased over time for all PFAS except PFPeS.
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‘Forever chemicals’ found in home fertilizer made from sewage sludge
News
28 May 2021 | The Guardian
Sewage sludge that wastewater treatment districts across America package and sell as home fertilizer contain alarming levels of toxic PFAS, also known as “forever chemicals”, a new report has revealed.
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High Levels of Legacy and Emerging Contaminants in Killer Whales (Orcinus orca) from Norway, 2015 to 2017
Science
26 May 2021 | Environ Toxicol Chem
PFAS was found in higher levels in adult orcas than offspring, suggesting less efficient maternal transfer.
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Impact of the increasing concentrations of selected perfluoroalkyl acids on the observed concentrations of red blood cell folate among US adults aged ≥20 years
Science
25 May 2021 | Environ Sci Pollut Res Int
The degree to which PFAS concentrations in red blood cells changed varied by age, gender, and race/ethnicity.
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Perfluoroalkyl substance pollutants activate the innate immune system through the AIM2 inflammasome
Science
25 May 2021 | Nat Commun
The AIM2 receptor in mice was found to reduce PFOS-induced inflammation, as well as tissue damage in the lungs, livers, and kidneys.
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Risk Assessment of Perfluorooctane Sulfonate (PFOS) using Dynamic Age Dependent Physiologically based Pharmacokinetic Model (PBPK) across human lifetime
Science
25 May 2021 | Environ Res
A model was developed to quantify the risk of PFOS throughout the human lifetime, particularly in susceptible age groups.
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Perfluoroalkyl substances and immune cell counts in adults from the Mid-Ohio Valley (USA)
Science
25 May 2021 | Environ Int
PFHxS exposure was found to initiate an immune response in the human body.
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Exposure to novel and legacy per- and polyfluoroalkyl substances (PFASs) and associations with type 2 diabetes: A case-control study in East China
Science
25 May 2021 | Environ Int
PFAS was found to be a potential factor in the development of type 2 diabetes.
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Source allocation of per- and polyfluoroalkyl substances (PFAS) with supervised machine learning: Classification performance and the role of feature selection in an expanded dataset
Science
24 May 2021 | Chemosphere
Supervised machine learning based on composition can identify patterns that can be used to distinguish PFAS sources.
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FluoroMatch 2.0-making automated and comprehensive non-targeted PFAS annotation a reality
Science
24 May 2021 | Anal Bioanal Chem
Using the newly developed FluoroMatch Flow 2 software, 1,000 individual PFAS were found in firefighting foam, including previously undescribed compounds.
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Biomarkers of poly- and perfluoroalkyl substances (PFAS) in Sub-Arctic and Arctic communities in Canada
Science
19 May 2021 | Int J Hyg Environ Health
Male participants had higher concentrations of PFAS compared to female participants, and PFAS concentrations tended to increase with age.