Showing 2086-2100 of 2911
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Assessment of perfluorooctanoic acid toxicity in pancreatic cells
Science
12 Jan 2021 | Toxicol In Vitro
Oxidative stress is thought to play a role in PFOA-induced pancreatic toxicity and highlight the incidence of inflammation with PFOA exposure.
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EPA denies petition to address PFAS
News
11 Jan 2021 | Coastal Review Online
The U.S. Environmental Protection Agency on Thursday denied the petition, by six eastern North Carolina organizations to require Chemours Co. to fund testing by independent scientists on 54 PFAS, produced at its Fayetteville Works facility.
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Per- and polyfluoroalkyl substances (PFASs) in Chinese drinking water: risk assessment and geographical distribution
Science
11 Jan 2021 | Environ. Sci. Eur.
The PFAS concentrations reported in more than 20% of the studied cities, likely affecting 98.5 million people, were above the maximum contaminant level issued by Vermont in 2019.
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Chemours can skip testing 54 ‘forever chemicals,’ EPA says
News
8 Jan 2021 | Bloomberg Law Review
The EPA has rejected a request from six North Carolina environmental health groups to force Chemours Co. to generate toxicity, human health, and other data for dozens of toxic PFAS chemicals.
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Removal of per- and polyfluoroalkyl substances from aqueous media using synthesized silver nanocomposite-activated carbons
Science
7 Jan 2021 | J Environ Health Sci Eng
Silver-based compounds were effective for the removal of PFAS from aqueous media and are good alternatives to commercially available activated carbons.
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Current Contributions of Organofluorine Compounds to the Agrochemical Industry
Science
6 Jan 2021 | iScience
A database of 424 fluoro-agrochemicals was developed to better understand the role of PFAS in agriculture.
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Perfluorooctane Sulfonate (PFOS) Disrupts Testosterone Biosynthesis via CREB/CRTC2/StAR Signaling Pathway in Leydig Cells
Science
6 Jan 2021 | Toxicology
PFOS was found to suppress testosterone leading to reproductive issues.
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Per- and polyfluoroalkyl substances and their alternatives in black-tailed gull (Larus crassirostris) eggs from South Korea islands during 2012-2018
Science
6 Jan 2021 | J Hazard Mater
Significant increasing temporal trends were observed for PFOS, PFNA, and F-53B suggesting continuous use or accumulation of these in the Korean environment.
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Contamination Characteristics and Potential Ecological Risks of Typical Perfluoroalkyl Substances in the Water and Sediment of Coastal Tourism Resorts in Shandong Province
Science
5 Jan 2021 | Huan Jing Ke Xue .
Discharge of municipal industrial wastewater and domestic sewage is the main source of contamination around tourist-heavy areas.
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An evaluation of health-based federal and state PFOA drinking water guidelines in the United States
Science
5 Jan 2021 | Sci Total Environ
More rigorous efforts are warranted to establish consistent health-based drinking water guidelines for PFOA, given that drinking water is a primary source of human exposure to PFOA in the United States.
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High levels of fluoroalkyl substances and potential disruption of thyroid hormones in three gull species from South Western France
Science
5 Jan 2021 | Sci Total Environ
Elevated levels of PFAS in seabirds are potentially associated with thyroid issues.
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Development of Per and Polyfluoroalkyl Substances (PFAS) Ecological Risk Based Screening Levels (RBSLs)
Science
5 Jan 2021 | Environ Toxicol Chem
PFNA, PFOS, PFOA, PFHxA, PFBS, and PFBA were evaluated and a risk-based screening level was developed for each.
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Per- and polyfluoroalkyl substances (PFASs) are positively associated with thyroid hormones in an arctic seabird
Science
5 Jan 2021 | Environ Toxicol Chem
PFAS exposure was thought to lead to biological changes in male and female avian species.
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Prenatal exposure to per- and polyfluoroalkyl substances in association with autism spectrum disorder in the MARBLES study
Science
5 Jan 2021 | Environ Int
From this high-risk cohort, we observed an increased risk of autism spectrum disorder in children exposed to PFOA and PFNA.
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PFAS and cancer, a scoping review of the epidemiologic evidence
Science
5 Jan 2021 | Environ Res
Evidence for an association between cancer and PFAS remains sparse and needs further study.