Atmospheric Deposition and Annual Flux of Legacy Perfluoroalkyl Substances and Replacement Perfluoroalkyl Ether Carboxylic Acids in Wilmington, NC, USA

26 Apr 2021 | ES&T L

Particle-bound and gas-phase PFAS that may have undergone long-range transport can be incorporated into raindrops and removed rapidly.

PFAS-Tox Database

21 Apr 2021

The PFAS-Tox Database was developed as a free, online, publicly available tool to explore the health and toxicology research published on 29 PFAS beyond PFOA and PFOS.

A rapid method for the detection and quantification of legacy and emerging per- and polyfluoroalkyl substances (PFAS) in bird feathers using UPLC-MS/MS

21 Apr 2021 | J Chromatogr B Analyt Technol Biomed Life Sci

The developed LC-MS/MS method was validated and shown to be a fast, sensitive and reliable method for determining a broad range of legacy and emerging PFAS in feathers.

Perfluorooctanesulfonic acid (PFOS) thwarts the beneficial effects of calorie restriction and Metformin

20 Apr 2021 | Toxicol Sci

PFOS exposure inhibited the beneficial effects of diabetes treatments.

Time trends of perfluoroalkyl substances in blood in 30-year old Norwegian men and women in the period 1986-2007

20 Apr 2021 | Environ Sci Pollut Res Int

Overall blood burdens of PFAS in men and women increased in reproductively active ages during 1986-2001 and decreases until 2007 with long-chain PFAS increasing after 2007.

Exposure to perfluoroalkyl substances through human milk in preterm infants

20 Apr 2021 | Eur J Pediatr

Exposure of preterm infants to PFASs through breast milk feeding might exceed reference values reported for older and healthier infants.

Perfluorooctane sulfonate alternatives and metabolic syndrome in adults: New evidence from the Isomers of C8 Health Project in China

20 Apr 2021 | Environ Pollut

Exposure to Cl-PFESAs was associated with a cluster of conditions that occur together, increasing the risk of heart disease, stroke, and type 2 diabetes.

Lipid responses to environmental perfluoroalkyl substance exposure in a Taiwanese Child cohort

20 Apr 2021 | Environ Pollut

Different lipid patterns were discovered in children exposed to different levels of specific PFASs, such as PFTrDA, PFOS, and PFDA.

Assessing Indoor Dust Interference with Human Nuclear Hormone Receptors in Cell-Based Luciferase Reporter Assays

19 Apr 2021 | Environ Health Perspect

PFAS was found to exhibit hormonal activities in humans from indoor dust.

Long-term leaching of PFAS from contaminated agricultural soils in Germany

19 Apr 2021 | J. Contam. Hydrol.

Analysis of field data over a time period of 12 years revealed no or slowly decreasing trends as well as seasonal fluctuations, likely due to the ongoing transformation of precursors and a seasonal influence on production rates of mobile PFAS.

Fluorine-Specific Detection Using ICP-MS Helps to Identify PFAS Degradation Products in Nontargeted Analysis

19 Apr 2021 | Anal Chem

The feasibility of the detection of PFAS metabolites using a fluorine-specific detection was demonstrated using a model compound and can thus be applied to new experiments and unknown organofluorine-containing samples in the future.

Toxicological Response of Chironomus dilutus in Single Chemical and Binary Mixture Exposure Experiments with Six Perfluoralkyl Substances

13 Apr 2021 | Environ Toxicol Chem

PFOS was found to be the most toxic PFAS to aquatic life and suggests that PFOS could be more toxic to freshwater insects than previously reported.

Joint effects of prenatal exposure to per- and poly-fluoroalkyl substances and psychosocial stressors on corticotropin-releasing hormone during pregnancy

13 Apr 2021 | J Expo Sci Environ Epidemiol

PFAS was associated with higher levels of stress hormones which affected joints in pregnant women.

Per- and polyfluoroalkyl Substances (PFAS) as Contaminants of Emerging Concern in Asia's Freshwater Resources

13 Apr 2021 | Environ Res

The highest PFAS contamination was detected in surface water relative to ground, tap, and drinking water.

Occurrence and sources of per- and polyfluoroalkyl substances in the ice-melting lakes of Larsemann Hills, East Antarctica

13 Apr 2021 | Sci Total Environ

In the ice-melting lakes, PFOA, PFOS, and Cl-PFESA were detected in ice-melt lakes on the eastern side of Antarctica where there are fewer on-site human activities.