Associations between perfluoroalkyl acids in serum and lead and mercury in whole blood among US children aged 3-11 years

2 Mar 2021 | Environ Sci Pollut Res Int

Statistically significant associations between concentrations of each PFAA and blood lead were observed, leading to possible synergistic toxicity.

Fabrication of a near-infrared excitation surface molecular imprinting ratiometric fluorescent probe for sensitive and rapid detecting perfluorooctane sulfonate in complex matrix

2 Mar 2021 | J Hazard Mater

A PFAS detecting probe was developed for PFOS determination in surface water, human serum, and egg samples across a range of different pHs.

Time trends of persistent organic pollutants (POPs) and Chemicals of Emerging Arctic Concern (CEAC) in Arctic air from 25 years of monitoring

2 Mar 2021 | Sci Total Environ

PFHxS, PFCAs, and 6:2 fluorotelomer alcohol were found to have consistent or increasing levels over the monitoring period.

Reconstructing the Composition of Per- and Polyfluoroalkyl Substances in Contemporary Aqueous Film-Forming Foams

1 Mar 2021 | Environ Sci Technol Lett

A combination of methods can accurately assign the total PFAS mass attributable to AFFF in an aqueous sample with differentiation of gross precursor classes and identification of major precursor species.

Cross-Flow Treatment of PFAS in Water: Materials Challenges and Potential Solutions

23 Feb 2021 | Acc. Mater. Res.

Thin-film composite membranes have shown highly efficient in removing PFAS from contaminated water.

Exposure to perfluoroalkyl substances and blood pressure in pregnancy among 1436 women from the Odense Child Cohort

23 Feb 2021 | Env Int

PFAS exposure was found to have potential long-term health implications for both the mother and the child.

Environmental occurrence and biotransformation of perfluoroalkyl carboxylic acid precursors: Fluorotelomer alcohols

23 Feb 2021 | Env. Chem.

In this paper, the sources and physicochemical properties of FTOHs were introduced, the analytical methods and environmental occurrence of FTOHs were reviewed, and the biotransformation processes and toxic mechanisms of FTOHs were analyzed.

Quantifying Interferent Effects on Molecularly Imprinted Polymer Sensors for Per- and Polyfluoroalkyl Substances (PFAS)

23 Feb 2021 | Anal Chem

A molecularly imprinted polymer electrode was developed for the detection of PFOS and explored the electrode surface and the effects of interfering molecules.

Temporal Trends of Per- and Polyfluoroalkyl Substances in Delaware River Fish, USA

23 Feb 2021 | Integr Environ Assess Manag

Significant decreases in PFNA and PFUnA concentrations were observed in fish fillet from the tidal river during the timeframe of the study, changes in concentrations of other PFAS in tidal and nontidal fish were less substantial.

Perfluorooctanesulfonate and perfluorooctanoate exacerbate airway inflammation in asthmatic mice and in vitro

23 Feb 2021 | Sci Total Environ

PFAS exposure decreased mice’s ability to regulate inflammation in their respiratory organs.

Evaluation of published bioconcentration factor (BCF) and bioaccumulation factor (BAF) data for per- and polyfluoroalkyl substances across aquatic species

23 Feb 2021 | Environ Toxicol Chem

In general, carbonyl and sulfonyl PFAS classes are relatively data-rich while phosphate, fluorotelomer, and ether PFAS classes are data-limited for fish and nonexistent for most other taxonomic classes.

Regulating PFAS as a Chemical Class under the California Safer Consumer Products Program

22 Feb 2021 | Environ Health Perspect

In this commentary, we present the rationale adopted by the State of California's DTSC for regulating PFAS as a class in certain consumer products.

Endocrine Disruptor Potential of Short- and Long-Chain Perfluoroalkyl Substances (PFASs)-A Synthesis of Current Knowledge with Proposal of Molecular Mechanism

21 Feb 2021 | Int J Mol Sci

This paper synthesizes the current literature reports on the presence, bioaccumulation and, particularly, endocrine toxicity of selected long- and short-chain PFASs, with a special emphasis on the mechanisms underlying their endocrine actions.

Per- and polyfluoroalkyl substances (PFAS) in livestock and game species: a review

17 Feb 2021 | Sci. Total Environ.

A compilation of information from livestock and game species as a source of PFAS exposure to humans and discusses toxicokinetics and health effects in animals.

Per- and Polyfluoroalkyl Substances in Human Serum Samples of Selected Populations from Ghana

17 Feb 2021 | Int J Environ Res Public Health

PFOS, PFHxS, PFHpS, and PFDA were found in the general public and electronic repair workers.