Showing 2956-2970 of 5090
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An amine-functionalized olefin-linked covalent organic framework used for the solid-phase microextraction of legacy and emerging per- and polyfluoroalkyl substances in fish
Science
28 Sep 2021 | J. Hazard. Mater
The bioconcentration kinetics for goldfish was studied, which can provide a feasible platform for investigating the accumulated ion and toxicity of PFAS.
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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.
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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.
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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.
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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.
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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.
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Lipidomic Analyses Reveal Modulation of Lipid Metabolism by the PFAS Perfluoroundecanoic Acid (PFUnDA) in Non-Obese Diabetic Mice
Science
27 Sep 2021 | Front Genet
PFUnDA exposure in average-sized diabetic mice alters lipid metabolism and is associated with inflammation.
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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.
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Biden EPA Cuts Dangerous Greenhouse Gases Used In Refrigerators, Air Conditioners
Policy
23 Sep 2021
The EPA has signed a rule phasing out a greenhouse gas that cools refrigerators and air conditioners but warms the planet much more than carbon dioxide.
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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.
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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.
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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.
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Tissue-specific distribution of legacy and novel per- and polyfluoroalkyl substances in juvenile seabirds
Science
21 Sep 2021 | Environ Sci Technol Lett
Emerging perfluoroalkyl ether acids (PFEAs)-Nafion byproduct-2 and PFO5DoDA - were detected in greater than 90% of tissues in birds obtained from a nesting region downstream from a major fluorochemical production site.
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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.
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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.