Showing 76-90 of 433
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FluoroMatch 2.0-making automated and comprehensive non-targeted PFAS annotation a reality
Science
24 May 2021 | Anal Bioanal Chem
Using the newly developed FluoroMatch Flow 2 software, 1,000 individual PFAS were found in firefighting foam, including previously undescribed compounds.
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Method Development and Validation of Per- and Polyfluoroalkyl Substances in Foods from FDA's Total Diet Study Program
Science
19 May 2021 | J Agric Food Chem
A PFAS detection method was validated for use in a wide variety of foods and found positive detects of PFOS in meat samples.
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Environmental Source Tracking of Per- and Polyfluoroalkyl Substances within a Forensic Context: Current and Future Techniques
Science
18 May 2021 | Environ Sci Technol .
In this perspective, we identify the current tools available and principal developments necessary to enable greater confidence in environmental source tracking to identify and apportion PFAS sources.
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PFAS and their substitutes in groundwater: Occurrence, transformation and remediation
Science
11 May 2021 | J Hazard Mater
GenX, F-53B, and OBS in groundwater treatment by UV/sulfite system and electrochemical oxidation proved effective.
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Release of soil colloids during flow interruption increases the pore-water PFAS concentration in saturated soil
Science
11 May 2021 | Env Poll
Removal of colloids from water samples can underestimate PFAS concentration.
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Occurrence, profiles, and ecotoxicity of poly- and perfluoroalkyl substances and their alternatives in global apex predators: A critical review
Science
11 May 2021 | J of Env Sci
PFOS was the dominant PFAS found in the top predators, followed by PFUnDA, and the proportions of odd C-chain length PFCAs were higher than adjacent even C-chain length PFCAs.
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Significant Reductive Transformation of 6:2 Chlorinated Polyfluorooctane Ether Sulfonate to Form Hydrogen-Substituted Polyfluorooctane Ether Sulfonate and Their Toxicokinetics in Male Sprague-Dawley Rats
Science
11 May 2021 | Environ Sci Technol
The toxicokinetic properties determined for 6:2 Cl-PFESA and 6:2 H-PFESA in blood and urine were found to be structure and dose-dependent.
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The Case for Direct Measures of Soil-to-Groundwater Contaminant Mass Discharge at AFFF-Impacted Sites
Science
4 May 2021 | Environ Sci Technol
This perspective provides a rationale for why alternative approaches are critically necessary and proposes a practical solution to accurately assess PFAS transport within unsaturated vadose zone soils.
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Systemic PFOS and PFOA exposure and disturbed lipid homeostasis in humans: what do we know and what not?
Science
27 Apr 2021 | Crt. Rev. Tox.
This paper aims to present the main issues regarding the modulation of lipid homeostasis by the two most common PFASs, PFOS and PFOA, with emphasis on the underlying mechanisms relevant for humans.
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Atmospheric Fate of a New Polyfluoroalkyl Building Block, CFOCHFCFSCHCHOH
Science
27 Apr 2021 | Environ Sci Technol
The kinetics and degradation pathway of a novel PFAS, FESOH, was investigated.
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Atmospheric Deposition and Annual Flux of Legacy Perfluoroalkyl Substances and Replacement Perfluoroalkyl Ether Carboxylic Acids in Wilmington, NC, USA
Science
26 Apr 2021 | ES&T L
Particle-bound and gas-phase PFAS that may have undergone long-range transport can be incorporated into raindrops and removed rapidly.
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PFAS-Tox Database
Science
21 Apr 2021
The PFAS-Tox Database was developed as a free, online, publicly available tool to explore the health and toxicology research published on 29 PFAS beyond PFOA and PFOS.
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A rapid method for the detection and quantification of legacy and emerging per- and polyfluoroalkyl substances (PFAS) in bird feathers using UPLC-MS/MS
Science
21 Apr 2021 | J Chromatogr B Analyt Technol Biomed Life Sci
The developed LC-MS/MS method was validated and shown to be a fast, sensitive and reliable method for determining a broad range of legacy and emerging PFAS in feathers.
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Lipid responses to environmental perfluoroalkyl substance exposure in a Taiwanese Child cohort
Science
20 Apr 2021 | Environ Pollut
Different lipid patterns were discovered in children exposed to different levels of specific PFASs, such as PFTrDA, PFOS, and PFDA.
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Perfluorooctanesulfonic acid (PFOS) thwarts the beneficial effects of calorie restriction and Metformin
Science
20 Apr 2021 | Toxicol Sci
PFOS exposure inhibited the beneficial effects of diabetes treatments.