Showing 211-225 of 1034
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The Conundrum of the PFOA human half-life, an international collaboration
Science
1 Jul 2022 | RTP
The Alliance for Risk Assessment developed an international collaboration to explore human half-life of perfluorooctanoate.
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Exposure to perfluoroalkyl substances and neonatal immunoglobulin profiles in the upstate KIDS study (2008-2010)
Science
1 Jul 2022 | Environ Pollut
Early exposure to PFOA and PFOS may disrupt neonatal immunoglobulin levels, weakening neonatal immune systems.
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Global patterns and temporal trends of perfluoroalkyl substances in municipal wastewater: A meta-analysis
Science
30 Jun 2022 | Water Res
Serum PFHxS, Sm‐PFOS, n‐PFOS, n‐PFOA, and PFNA concentrations were increased in at least two of four fire departments compared to NHANES national data.
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Vermont-wide Assessment of Anthropogenic Background Concentrations of Perfluoroalkyl Substances in Surface Soils
Science
25 Jun 2022 | J. Hazard. Mater.
PFOS was the most dominant substance followed by PFNA and PFOA in all soil samples.
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2022 Interim Updated PFOA and PFOS Health Advisories
Policy
15 Jun 2022
The health advisory levels for PFOA and PFOS were greatly decreased, indicating that negative health effects may occur with concentrations of PFOA or PFOS in water that are near zero.
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Occurrence, distribution, and input pathways of per-and polyfluoroalkyl substances in soils near different sources in Shanghai
Science
13 Jun 2022 | Environ. Pollut.
Many PFAS were detected throughout soils, with highest concentrations near fire stations and industrial areas.
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Estimated daily intake of per- and polyfluoroalkyl substances related to different particle size fractions of house dust
Science
6 Jun 2022 | Chemosphere
Children’s estimated daily intake for the sum of PFOA, PFNA, PFHxS, and PFOS from house dust exposure is close to the tolerable weekly intake value presented by the European Union.
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Early-pregnancy plasma per- and polyfluoroalkyl substance (PFAS) concentrations and hypertensive disorders of pregnancy in the Project Viva cohort
Science
6 Jun 2022 | Environ Int
Exposure to certain PFAS may increase the odds of gestational hypertension during pregnancy, with potential implications for maternal and child health outcomes.
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Are resource recovery insects safe for feed and food? A screening approach for bioaccumulative trace organic contaminants
Science
1 Jun 2022 | Sci. Total Environ.
Four PFAS (PFBA, PFOA, PFBS, and PFOS) did not bioaccumulate in larvae, and non-target analysis revealed emerging PFAS present in larvae and almond hulls.
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Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment
Science
24 May 2022 | Environ Sci Technol
Dietary ingestion, especially fish, was likely an important exposure pathway for PFAS among elderly adults in one city.
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Sorption of Per-and Polyfluoroalkyl Substances (PFAS) using Polyethylene (PE) microplastics as adsorbent: Grand Canonical Monte Carlo and Molecular Dynamics (GCMC-MD) studies
Science
17 May 2022 | Int. J. Environ. Anal. Chem.
Several PFAS were found to easily sorb on to polyethylene microplastics, especially as pollutant concentration increased.
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Putting the Brakes on Toxic “Forever Chemicals” in Maryland
Policy
10 May 2022
On April 21, Maryland Governor Larry Hogan signed into state law SB0273/HB0275, the George “Walter” Taylor Act, which curtails the introduction of new PFAS into the environment.
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Interaction of Per-and Polyfluoroalkyl Substances and Allostatic Load among Adults in Various Occupations
Science
10 May 2022 | Diseases
Increased chronic physiological stress was positively associated with serum concentrations of certain PFAS, as well as with different occupation groups such as Public Administration and Arts, Entertainment, and Recreation.
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Serum PFAS and Urinary Phthalate Biomarker Concentrations and Bone Mineral Density in 12-19 Year Olds: 2011-2016 NHANES
Science
10 May 2022 | J Clin Endocrinol Metab
Certain PFAS and phthalates may be associated with reduced bone mineral density in adolescent males, which may have implications for lifelong skeletal health.
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Identification of Branched and Linear Forms of PFOA and Potential Precursors: A User-Friendly SMILES Structure-based Approach.
Science
10 May 2022 | Front Environ Sci
A new computational toxicology method searched a database of over 10,700 structures and correctly classified PFOA and its related compounds as defined by the Stockholm Convention, with 100% sensitivity and 99.7% accuracy.