Emerging and Legacy Perfluoroalkyl Substances in Breastfed Chinese Infants: Renal Clearance, Body Burden, and Implications

2 Mar 2023 | Environ Health Perspect

Legacy and novel short-chain PFAS were found widespread in human breast milk, with 6:2 Cl-PFESA displaying a median half-life of 49 years in infants.

Per-and Polyfluoroalkyl Substances in Toilet Paper and the Impact on Wastewater Systems

1 Mar 2023 | ACS

Six PFAS were detected in toilet paper samples, and the most prevalent one, 6:2 diPAP, was estimated to contribute between 4% – 89% of 6:2 diPAP concentrations in sludge.

Acute Exposure of Zebrafish to the Next-Generation Perfluoroalkyl Substance, Perfluoroethylcyclohexanesulfonate, Shows Similar Effects as Legacy Substances

28 Feb 2023 | Environ Sci Technol

Exposure to the newer PFAS F-53B and OBS resulted in lower rates of activity as well as induced physiological changes within a human model species.

Association between polyfluoroalkyl substances exposure and sex steroids in adolescents: The mediating role of serum albumin

27 Feb 2023 | Ecotoxicol Environ Saf

Mixed exposure to PFAS was associated with endocrine disruption in developing adolescents, especially in girls, and serum albumin was found to play a possible mediating role in this association.

Bioaccumulation of Per- and Polyfluoroalkyl Substances (PFAS) in Ferns: Effect of PFAS Molecular Structure and Plant Root Characteristics

27 Feb 2023 | Environ Sci Technol

Exposure experiments found that long-chain PFAS collected in fern roots while short-chain PFAS collected in the fronds, demonstrating the feasibility of using ferns as bioindicators of PFAS pollution and the possibility of using ferns for restoration of PFAS-contaminated sites.

Review of Interim USEPA Health Advisories for PFOA and PFOS and Other Relevant Information

23 Feb 2023

The New Jersey Department of Environmental Protection Commissioner requested that the New Jersey Drinking Water Quality Institute review the scientific basis of the US EPA interim drinking water Health Advisories for PFOA and PFOS.

Toxicology assessment for six per- and polyfluoroalkyl (PFAS)-free aqueous film forming foam (AFFF) products

23 Feb 2023 | Integr Environ Assess Manag

PFAS-free AFFF products appear to have a lower likelihood of environmental persistence and bioaccumulation and have lower oral human health toxicity than PFAS-containing AFFF.

Metabolic Signatures of Youth Exposure to Mixtures of Per- and Polyfluoroalkyl Substances: A Multi-Cohort Study

22 Feb 2023 | EHP

Exposure to PFAS was associated with alterations in amino acid metabolism and lipid metabolism in young adults.

Per-and polyfluoroalkyl substances and volatile methyl siloxanes in global air: Spatial and temporal trends

22 Feb 2023 | Env. Poll.

Long-chain PFAS were detected globally in the environment, with PFOS levels still increasing at several sites despite its listing as a persistent organic pollutant to the Stockholm Convention since 2009.

Early-life exposure to per- and polyfluoroalkyl substances and infant gut microbial composition

22 Feb 2023 | Environ Epidemiol

PFAS may increase infant gut microbiome diversity and alter the relative abundance of biologically relevant bacteria.

Exposure to serum perfluoroalkyl substances and biomarkers of liver function: The Korean national environmental health survey 2015-2017

21 Feb 2023 | Chemosphere

Higher serum PFOA, PFOS, PFHxS, PFDA, and PFNA concentrations were related to higher serum concentrations of liver enzymes, although some differences were dependent on sex and obesity status.

Pregnancy-related hemodynamic biomarkers in relation to trimester-specific maternal per - and polyfluoroalkyl substances exposures and adverse birth outcomes.

20 Feb 2023 | Environ Pollut

Prenatal PFAS exposures during each trimester resulted in different adverse health effects.

Exposure to high levels of PFAS through drinking water is associated with increased risk of type 2 diabetes-findings from a register-based study in Ronneby, Sweden

20 Feb 2023 | Environ Res

A higher risk of type 2 diabetes among individuals aged 18–45 years was found, suggesting increased susceptibility to PFAS-related health effects at younger ages.

Prenatal Exposure to Legacy and Alternative Per- and Polyfluoroalkyl Substances and Neuropsychological Development Trajectories over the First 3 Years of Life

17 Feb 2023 | Environ Sci Technol

Mothers’ elevated serum levels of PFHxS, PFOS, and other PFAS mixtures were associated with decreased communication and problem-solving abilities throughout their children’s first 36 months of life.

Target and Nontarget Screening of PFAS in Drinking Water for a Large-Scale Survey of Urban and Rural Communities in Québec, Canada

16 Feb 2023 | Water Res

99.3% of 463 tap water samples from Québec, Canada, had detectable levels of PFAS, including compounds not currently included in US EPA methods for drinking water testing.