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Showing 1291-1305 of 1711

• Association between the total plasma isomers of per- and polyfluoroalkyl substances and erythrograms in young and middle-aged Taiwanese populations.

  Science

  14 Oct 2021 | Ecotoxicol Environ Saf

  PFOA and PFOS isomers may increase the weight and volume of red blood cells.

• Concentration profiles of per- and polyfluoroalkyl substances in major sources to the environment

  Science

  12 Oct 2021 | J. Environ. Manage.

  Precursor biotransformation products are detected in landfill leachates and wastewater-related sources.

• Information Requirements under the Essential-Use Concept: PFAS Case Studies

  Science

  11 Oct 2021 | Environ Sci Technol

  An investigation into how much information is available on the types and functions of PFAS in specific uses, how much information is available on alternatives, their performance and hazardous properties, and whether this information is sufficient as a basis for deciding on the essentiality of a PFAS use, was conducted.

• Per- and Polyfluoroalkyl Substances (PFAS) in Street Sweepings

  Science

  5 Oct 2021 | Environ Sci Technol

  In different cities, the dominant PFAS by concentration and frequency of detection varied; however, PFOA and linear PFOS were the two PFAS that were detected the most frequently.

• Occurrence of selected per- and polyfluorinated alkyl substances (PFASs) in food available on the European market - A review on levels and human exposure assessment

  Science

  5 Oct 2021 | Chemosphere

  Fruits and vegetables recently showed relatively high levels of PFASs, and have become a more significant source of PFASs than meat.

• Comparison of bioconcentration and kinetics of GenX in tilapia Oreochromis mossambicus in fresh and brackish water

  Science

  5 Oct 2021 | Chemosphere

  As bioconcentration in all tissues increased with increasing salinity, this may raise concern for marine organisms and human exposure.

• 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.

• 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.

• 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.

• 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.

• 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.

• Perfluoroalkyl substances (PFAS) in drinking water and risk for polycystic ovarian syndrome, uterine leiomyoma, and endometriosis: A Swedish cohort study

  Science

  14 Sep 2021 | Environ Int .

  Exposure to high levels of PFAS in drinking water was associated with an increased risk of reproductive harm