Side-chain fluorinated polymer surfactants in biosolids from wastewater treatment plants

20 Jan 2020 | J. Haz. Mat.

The main components in Scotchgard™ fabric protector products were found in high amounts in Canadian biosolids from wastewater treatment plants.

Chlorinated Polyfluoroalkylether Sulfonic Acids Exhibit Stronger Estrogenic Effects than Perfluorooctane Sulfonate by Activating Nuclear Estrogen Receptor Pathways

20 Jan 2020 | Environ. Sci. Technol.

Chlorinated PFAS found to disrupt both thyroid hormones and cell functions.

Environmental pollutants in blood donors: The multicentre Norwegian donor study

20 Jan 2020 | Transfus Med

PFAS was found in 100% of blood banks across Norway with concentrations increasing as donor age rose.

LC-MS screening of poly- and perfluoroalkyl substances in contaminated soil by Kendrick mass analysis

16 Jan 2020 | Anal Bioanal Chem.

A screening of four contaminated soil samples found twelve compound classes comprising more than 61 PFAS.

Acute PFOA exposure promotes epigenomic alterations in mouse kidney tissues

16 Jan 2020 | Tox. Report

PFOA exposure linked to changes in kidney function which are associated with renal disease.

Removal of poly- and perfluoroalkyl substances (PFAS) from water by adsorption: Role of PFAS chain length, effect of organic matter and challenges in adsorbent regeneration

16 Jan 2020 | Water Res.

Short-chain PFAS found to absorb to organic material less efficiently making it harder to remediate from water.

Accumulation and phytotoxicity of perfluorooctanoic acid and 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoate in Arabidopsis thaliana and Nicotiana benthamiana

16 Jan 2020 | Environ. Pollut.

GenX was found to be bioaccumulative, and that accumulation likely inhibits plant growth and photosynthesis.

Immunotoxicity and allergenic potential induced by topical application of perfluorooctanoic acid (PFOA) in a murine model

16 Jan 2020 | Food Chem. Toxicol.

PFOA was found to be toxic to the immune system through skin exposure.

The emerging PFOS alternative OBS exposure induced gut microbiota dysbiosis and hepatic metabolism disorder in adult zebrafish

16 Jan 2020 | Comp. Biochem. Physiol. C Toxicol. Pharmacol.

The PFAS alternative, sodium ρ-perfluorous nonenoxybenzene sulfonate, was found to change gut bacteria levels and negatively impact metabolism.

Characterizing biopersistence potential of the metabolite 5:3 fluorotelomer carboxylic acid after repeated oral exposure to the 6:2 fluorotelomer alcohol

15 Jan 2020 | Tox. and Applied Pharm.

The biopersistence potential was calculated for the 5:3 acid after repeated oral exposure to the parent compound, 6:2 FTOH.

Association between serum concentrations of perfluoroalkyl substances (PFAS) and expression of serum microRNAs in a cohort highly exposed to PFAS from drinking water

15 Jan 2020 | Environ. Intern.

Epigenetic mechanisms were proposed as a mode of action of PFAS toxicity in drinking water.

Highly fluorinated chemicals in functional textiles can be replaced by re-evaluating liquid repellency and end-user requirements

15 Jan 2020 | J. Cleaner Prod.

The best non-fluorinated DWRs have water repellency as good as fluorinated polymers in textiles.

Alternatives of perfluoroalkyl acids and hepatitis B virus surface antibody in adults: Isomers of C8 Health Project in China

13 Jan 2020 | Environ. Poll.

High blood serum PFAAs levels were associated with lower hepatitis B virus antibody levels.

The concentration of several perfluoroalkyl acids in serum appears to be reduced by dietary fiber

13 Jan 2020 | Environ Int

Dietary fiber intake was associated with an increase in the gastrointestinal excretion of PFOA, PFOS, and PFNA.