Showing 2536-2550 of 3571
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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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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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Spatial and temporal baseline of perfluorooctanesulfonic acid retained in sediment core samples from Puget Sound, Washington, USA
Science
11 May 2021 | Mar Pollut Bull
Sediments adjacent to Seattle, WA, had the largest PFOS flux, beginning in 1959.
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Perfluoroalkyl substances in drinking water sources along the Yangtze River in Jiangsu Province, China: Human health and ecological risk assessment
Science
11 May 2021 | Ecotoxicol Environ Saf
PFOS, PFOA, and PFBS induced considerable risk on human health and aquatic species.
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N-Acetyl cysteine abates hepatorenal toxicities induced by perfluorooctanoic acid exposure in male rats.
Science
11 May 2021 | Environ Toxicol Pharmacol
A common antioxidant was found to alleviate inflammation caused by PFOA.
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Associations of perfluorooctane sulfonate alternatives and serum lipids in Chinese adults
Science
11 May 2021 | Environ Int
Cl-PFESAs are adversely associated with serum lipid levels, and that such associations are also observed in legacy PFAS.
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Biomonitoring: A tool to assess PFNA body burdens and evaluate the effectiveness of drinking water intervention for communities in New Jersey
Science
10 May 2021 | Int. J. Hyg. Environ. Health
PFNA half-life was estimated ~3.5 years from this unique biomonitoring study.
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These pets have high levels of forever chemicals in their blood. Has that made them sick?
News
10 May 2021 | North Carolina Health News
A study of pets who live near Chemours plant in Fayetteville found at least one measurable type of PFAS in every dog tested and all but one horse. Some of the levels were staggering.
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‘Canary in a coal mine’: Scientists test alligators for PFAS chemical compounds
News
6 May 2021 | The Fayetteville Observer
Alligators in the lower Cape Fear River had changes in their immune system that could indicate the development of autoimmune-like diseases in response to exposure to high-levels of the contaminants.
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Prevalence and Predictors of Per- and Polyfluoroalkyl Substances (PFAS) Serum Levels among Members of a Suburban US Volunteer Fire Department
Science
5 May 2021 | Int J Environ Res Public Health
Serum levels of both PFDA and PFDoA were positively associated with years of firefighting.
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Serum concentrations of per−/polyfluoroalkyl substances and risk of type 2 diabetes: A case-control study
Science
4 May 2021 | Sci. Tot. Env.
PFHxS and PFHpA exposure were associated with an increased risk of developing type 2 diabetes.
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Adsorption Behavior of Perfluorooctanesulfonate (PFOS) onto Activated Spent Coffee Grounds Biochar in Synthetic Wastewater Effluent
Science
4 May 2021 | J Haz. Mat. L
Spent coffee ground activated biochar performed comparably to commercial adsorbents.
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Diffusion of perfluoroalkyl acids through clay-rich soil
Science
4 May 2021 | J Contam Hydrol
Surface diffusion serves a potentially important role for strongly sorbing PFAAs in clay-rich soils.
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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.