Showing 1081-1095 of 1843
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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.
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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.
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An integrated approach for chemical water quality assessment of an urban river stretch through Effect-Based Methods and emerging pollutants analysis with a focus on genotoxicity
Science
28 Sep 2021 | J Environ Manage
Chemical analyses confirmed that in the aquatic ecosystems there is a diffuse presence, even at low concentrations, of PFAS.
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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.
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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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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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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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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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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.
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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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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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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.