Showing 3721-3735 of 5190
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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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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.
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Toxic effects and mechanisms of PFOA and its substitute GenX on the photosynthesis of Chlorella pyrenoidosa
Science
5 Jan 2021 | Sci Total Environ
Prolonged exposure to GenX lead to decreased ability to photosynthesize.
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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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COVID-19 vaccine could be less effective in people with high PFAS levels in blood
News
4 Jan 2021 | Michigan Advance
The COVID-19 vaccine could be less effective in people with high levels of perfluorinated compounds — PFAS — in their blood, several scientists said.
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State to begin monitoring ‘forever chemicals’ in public water supplies
Policy
4 Jan 2021
The Minnesota Department of Health will sample public water systems for PFAS starting in early 2021.
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Perfluorooctanesulfonic Acid Detection Using Molecularly Imprinted Polyaniline on a Paper Substrate
Science
4 Jan 2021 | Sensors (Basel)
A low-cost electrical paper sensor was developed to have excellent sensitivity and selectivity provides the potential for large-scale monitoring of wastewater.
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Much Still Unknown about PFAS Destruction and Disposal
Policy
1 Jan 2021
This guidance, published Dec. 18, 2020, highlights how much is still unknown about how to effectively remove these materials from the environment.
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Revisiting pesticide pollution: The case of fluorinated pesticides
Science
1 Jan 2021 | Environ. Pollut.
This review discusses how an increasing number of pesticides are fluorinated and calls for more research to address the safety of these chemicals.