Background per- and polyfluoroalkyl substances (PFAS) in laboratory fish diet: Implications for zebrafish toxicological studies

21 Jun 2022 | Sci Total Environ

PFAS such as PFOS was found in laboratory fish food, potentially leading to false positives in PFAS research.

Seasonal Trends of Per-and Polyfluoroalkyl Substances in River Water Affected by Fire Training Sites and Wastewater Treatment Plants

17 Jun 2022 | SSRN

PFAS concentrations were significantly higher at sites impacted by wastewater treatment plants and airports, with seasonal trends suggesting that the mobilization of PFAS depends on many factors like hydrological events and soil permeability.

[POSTER ABSTRACT] Per-and polyfluoroalkyl substances and obesity in Florida firefighters

15 Jun 2022 | Cancer Research

Firefighters who had higher than average body mass indices had higher total serum PFAS concentrations than firefighters of healthy weight.

Target and suspect screening of 4,777 per-and polyfluoroalkyl substances (PFAS) in river water, wastewater, groundwater and biota samples in the Danube River Basin

13 Jun 2022 | J. Hazard. Mater.

82 PFAS were detected in Europe’s second largest river basin with many at concentrations of environmental concern.

[White Paper] Per- and Polyfluoroalkyl Substances in Food Packaging Second Alternatives Assessment

13 Jun 2022 | WA State Department of Ecology

This is the second Washington State Department of Ecology alternatives assessment of PFAS in plant-fiber-based food packaging.

Association of polyfluoroalkyl substances and allergy in US adolescents: Results from NHANES 2005–2006

13 Jun 2022 | J. Occup. Environ. Med.

PFAS are associated with increased incidence of current allergic symptoms in U.S. adolescents.

The First Quantitative Investigation of Compounds Generated from PFAS, PFAS-containing Aqueous Film-forming Foams and Commercial Fluorosurfactants in Pyrolytic Processes

13 Jun 2022 | J. Hazard. Mater.

Pyrolysis of AFFF and fluorosurfactant samples resulted in the formation of 1,4-dioxane, benzene, and other non-fluorinated compounds, as well as fluorinated volatile compounds, suggesting the uncontrolled heating of PFAS is harmful to the environment and human health.

Occurrence, distribution, and input pathways of per-and polyfluoroalkyl substances in soils near different sources in Shanghai

13 Jun 2022 | Environ. Pollut.

Many PFAS were detected throughout soils, with highest concentrations near fire stations and industrial areas.

Per-and Polyfluoroalkyl Substances (PFAS) and Incident Hypertension in Multi-Racial/Ethnic Women: The Study of Women’s Health Across the Nation

13 Jun 2022 | Hypertension

Several PFAS including a mixture showed positive associations with hypertension, suggesting that PFAS exposure could be an underappreciated contributing factor to cardiovascular disease risk.

Evaluating maternal exposure to an environmental per and polyfluoroalkyl substances (PFAS) mixture during pregnancy: Adverse maternal and fetoplacental effects in a New Zealand White (NZW) rabbit model

13 Jun 2022 | Sci Total Environ

Exposure in a model species to an environmentally-relevant PFAS mixture resulted in maternal effects including weight gain, renal injury, and signs of hypertension, as well as sex-specific placental changes.

Novel per- and polyfluoroalkyl substances in an active-use C6-based aqueous film forming foam

9 Jun 2022 | J. Hazard. Mater.

A combination of PFAS measurement methods were combined to find multiple previously unknown PFAS present in AFFF.

Is the use of paper food contact materials treated with per- and polyfluorinated alkyl substances safe for high-temperature applications? – Migration study in real food and food simulants

6 Jun 2022 | Food Chemistry

Several PFAS migrated from paper-based food contact materials into real food, contributing significantly to tolerable weekly intake.

Estimated daily intake of per- and polyfluoroalkyl substances related to different particle size fractions of house dust

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.

Perturbation of the gut microbiome in wild-caught freshwater turtles (Emydura macquarii macquarii) exposed to elevated PFAS levels

6 Jun 2022 | Sci Total Environ

Impacted turtles had a 60-fold increase in serum PFAS concentrations and displayed indicators of an altered gut microbiome, consistent with stress and inflammation.

Per- and polyfluoroalkyl substances (PFAS) exposure in women seeking in vitro fertilization-embryo transfer treatment (IVF-ET) in China: Blood-follicular transfer and associations with IVF-ET outcomes

6 Jun 2022 | Sci Total Environ

Based on their physicochemical properties, many PFAS can easily cross the blood-follicle barrier, but there was no significant association between PFAS concentrations and select in vitro fertilization outcomes.