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• Can determination of extractable organofluorine (EOF) be standardized? First interlaboratory comparisons of EOF and fluorine mass balance in sludge and water matrices

  Science

  28 Sep 2021 | Environ Sci Process Impacts

  Combining multiple analytical chemistry methods, unknown PFAS were found in a variety of liquid samples.

• Evaluation, optimization, and application of three independent suspect screening workflows for the characterization of PFASs in water

  Science

  28 Sep 2021 | Environ Sci Process Impacts

  Computational methods were combined to better evaluate the presence and consequence of PFAS in water.

• Impact of the increasing concentrations of selected perfluoroalkyl acids on the observed concentrations of red blood cell folate among US adults aged ≥20 years

  Science

  28 Sep 2021 | ESPR

  Non-Hispanic blacks as compared to non-Hispanic whites were found to have higher levels of PFAS in their red blood cells than whites.

• Ticks as novel sentinels to monitor environmental levels of per- and polyfluoroalkyl substances (PFAS)

  Science

  28 Sep 2021 | Environ Sci Process Impacts

  Four different species of ticks, across two states, were analyzed for 53 PFAS, with the most detects in wetlands.

• Associations among maternal perfluoroalkyl substance levels, fetal sex-hormone enzymatic gene polymorphisms, and fetal sex hormone levels in the Hokkaido study

  Science

  28 Sep 2021 | Reprod Toxicol

  PFAS exposure was associated with abnormal hormone levels leading to disrupted development.

• Exposure to Perfluoro-Octanoic Acid Associated With Upstream Uncoupling of the Insulin Signaling in Human Hepatocyte Cell Line

  Science

  28 Sep 2021 | Front Endocrinol (Lausanne)

  PFOA was found to inhibit the growth and development of liver cells.

• Evaluation of per- and poly-fluorinated alkyl substances (PFAS) in livers of bottlenose dolphins (Tursiops truncatus) found stranded along the northern Adriatic Sea

  Science

  28 Sep 2021 | Environ Pollut

  Long-chain PFAS are widespread in bottlenose dolphins along the North Adriatic Sea, with a total of 17 PFAS found.

• Overview of the Mechanisms of Action of Selected Bisphenols and Perfluoroalkyl Chemicals on the Male Reproductive Axes.

  Science

  27 Sep 2021 | Front Genet

  PFAS exposure inhibited men’s ability to reproduce by altering key hormones.

• Source apportionment and crop bioaccumulation of perfluoroalkyl acids and novel alternatives in an industrial-intensive region with fluorochemical production, China: Health implications for human exposure

  Science

  22 Sep 2021 | J Hazard Mater

  Through crop consumption, short-chained PFAAs and novel alternatives might pose emerging human health threats.

• What we need to know to address PFAS contamination

  Policy

  21 Sep 2021

  To help manage PFAS contamination, researchers affiliated with the Global PFAS Science Panel have called out key knowledge gaps that need to be addressed.

• Pregnancy exposure to perfluoroalkyl substances, prolactin concentrations and breastfeeding in the Odense Child Cohort

  Science

  21 Sep 2021 | J Clin Endocrinol Metab

  Increased serum concentrations of PFOS, PFOA, PFNA, and ∑PFAS were associated with shortened breastfeeding periods.

• Membrane-based technologies for per- and poly-fluoroalkyl substances (PFASs) removal from water: Removal mechanisms, applications, challenges and perspectives

  Science

  21 Sep 2021 | Environ Int

  Here we critically review and analyze the current state-of-the-art of membrane-based techniques for PFASs removal, including direct membrane filtrations, adsorption-based membranes, and hybrid membrane processes.

• Determination of 56 per- and polyfluoroalkyl substances in top predators and their prey from Northern Europe by LC-MS/MS

  Science

  21 Sep 2021 | Chemosphere

  A clear association between the PFAS concentrations in apex predators and the geographical origin of the specimens, with samples that were collected in urban and agricultural zones being highly contaminated compared to samples from pristine or semi-pristine areas.

• Addressing Urgent Questions for PFAS in the 21st Century

  Science

  21 Sep 2021 | Environ Sci Technol

  Six urgent questions relevant to science, technology, and policy were proposed to aid in addressing the -- PFAS problem.

• Organofluorine Mass Balance Analysis of Whole Blood Samples in Relation to Gender and Age.

  Science

  21 Sep 2021 | Environ Sci Technol

  Over 50% of extractable organofluorine could not be explained by the 63 monitored PFAS in the female Swedish population.