Plasma per-and polyfluoroalkyl substance mixtures during pregnancy and duration of breastfeeding in the New Hampshire birth cohort study
22 Mar 2024 | Int J Hyg Environ Health
Higher maternal levels of a mixture of PFAS, particularly PFOA, was associated with a higher risk of stopping exclusive breastfeeding before 6 months.
Personal Wearable Sampler for Per-and Polyfluoroalkyl Substances Exposure Assessment
21 Mar 2024 | ES&T L
Assessing individual PFAS exposure has been limited due to sampling tool constraints, so researchers employed a new personal air wearable sampler which was found to effectively capture diverse PFAS, offering a potential methodology for quantitative inhalation exposure assessment.
Retention of per-and polyfluoroalkyl substances by syringe filters
19 Mar 2024 | Environ. Chem. Lett.
Researchers found that all tested filters commonly used in water analysis retained PFAS, with glass-fiber cellulose acetate filters showing the lowest retention, and discussed factors influencing PFAS retention as well as alternative pretreatment methods.
Predictors of Serum Per-and Polyfluoroalkyl Substances Concentrations among US Couples Attending a Fertility Clinic
19 Mar 2024 | ES&T
PFAS concentrations among couples seeking fertility treatment in the U.S. were correlated within couples and with factors like race, body mass index, and dietary habits, particularly fish and shellfish consumption, shedding light on potential interventions to mitigate exposure in the preconception period.
Predictors of Serum Per- and Polyfluoroalkyl Substances Concentrations among U.S. Couples Attending a Fertility Clinic
19 Mar 2024 | Environ Sci Technol
PFAS concentrations among couples seeking fertility treatment in the U.S. were correlated within couples and with factors like race, body mass index, and dietary habits, particularly fish and shellfish consumption, shedding light on potential interventions to mitigate exposure in the preconception period.
Evaluation of per- and polyfluoroalkyl substances (PFAS) in landfill liquids from Pennsylvania, Colorado, and Wisconsin
19 Mar 2024 | Chemosphere
Average PFAS levels in landfills from Pennsylvania, Colorado, and Wisconsin were 6,900, 22,000, 280, and 260 ppt in leachate, gas condensate, stormwater, and groundwater, respectively, with variations attributed to landfill design and local climate and higher PFAS levels in leachate exposed to open air and in groundwater near landfills without bottom liners.
Per- and Polyfluoroalkyl Substances in Food Packaging: Migration, Toxicity, and Management Strategies
19 Mar 2024 | Environ Sci Technol
This study systematically maps evidence of PFAS in migrates and extracts of food contact materials, revealing the presence of 68 PFAS, predominantly perfluorocarboxylic acids and fluorotelomer-based compounds, highlighting the need for international regulations to limit PFAS as a group in food packaging for human and environmental safety.
Two for the Price of One: Deriving Per-and Polyfluoroalkyl Substances (PFAS) Fillet and Whole-Body Conversion Equations in Fish
18 Mar 2024 | ES&T Letters
This study developed conversion equations between filet and whole-body concentrations of PFAS in fish from New York State, crucial for both human health advisories and ecological risk assessments, with conversion factors consistent across multiple PFAS chemicals but less consistent across species.
Temporal variability and sources of PFAS in the Rio Grande, New Mexico through an arid urban area using multiple tracers and high-frequency sampling
18 Mar 2024 | Emerg. Contam.
Significant temporal and spatial variability of PFAS were found in the Rio Grande, with notable increases in PFAS from urban runoff and wastewater effluent, and researchers demonstrated the use of longer-term passive samplers to compare PFAS concentrations in water bodies against one-time measurements.
Prenatal Exposure to Poly/Perfluoroalkyl Substances and Risk for Congenital Heart Disease in Offspring
18 Mar 2024 | J. Hazard. Mater.
PFAS exposure during pregnancy was found to potentially increase the risk of congenital heart disease, the most common type of birth defect worldwide.
Novel Meta-Diamide Compounds Containing Sulfide Derivatives Were Designed and Synthesized as Potential Pesticides
17 Mar 2024 | Molecules
C4 sulfonamido derivatives were the dominant PFAS compounds in semiconductor manufacturing wastewater, signaling a shift towards these alternatives and the importance of measuring more than just PFAAs.
Per-and Polyfluoroalkyl Substance Exposure Risks in US Carceral Facilities
15 Mar 2024 | AJPH
To evaluate the risk of exposure to PFAS among the US incarcerated population, this study analyzed the geographic proximity of carceral facilities to known or likely PFAS contamination sites, finding that 5% of facilities are located within the same watershed boundaries as PFAS contamination sources, with implications for health inequities and the need for environmental monitoring in prisons.
Bioaccumulation of Perfluoroalkyl Sulfonamides (FASA)
14 Mar 2024 | Sci Technol Lett.
This study reports high FASA concentrations in fish sampled next to aqueous film-forming foams contaminated sites. Preliminary findings on toxicity suggest an urgent need for FASA to be considered by fish advisory programs.
Exposure to polystyrene microplastics and perfluorooctane sulfonate disrupt the homeostasis of intact planarians and the growth of regenerating planarians
12 Mar 2024 | Sci Total Environ
Both microplastics and PFOS can cause DNA damage and disrupt the nervous system in freshwater planarians, and their combined exposure can exacerbate these effects, shedding light on potential environmental and health risks associated with microplastics and PFAS.
Environmental impact of PFAS: Filling data gaps using theoretical quantum chemistry and QSPR modeling
9 Mar 2024 | Environ. Int.
Utilizing physics-based methods and data-driven models, researchers predicted environmental parameters to address gaps in understanding such as the bioaccumulation potential, contributing to a better understanding of PFAS behavior in the environment.