Showing 301-315 of 820
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Nearly 100 million Chinese people supplied drinking water with ‘unsafe’ levels of toxic chemicals
News
15 Jan 2021 | South China Morning Post
The study found extremely high levels of PFOA and PFOS in three Chinese cities in the Yangtze River Basin, which were attributed to the presence of fluorochemical plants and industries that use multiple PFAS, such as leather, textile and paper manufacturing.
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Effectiveness of household water purifiers in removing perfluoroalkyl substances from drinking water
Science
12 Jan 2021 | Environ Sci Pollut Res Int
Household water purifiers are effective in decreasing the exposure to PFAS through drinking water, with higher efficiency in longer-chains.
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PFAS exposure found to increase risk of severe Covid-19
News
12 Jan 2021 | Chemistry World
There are also warning that PFASs could diminish the effectiveness of a vaccine against the novel coronavirus.
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PFAS product liability cases – are the floodgates now open?
News
12 Jan 2021 | National Law Review
Even companies without direct use or knowledge of PFAS use in products should consider a review of supplier materials, as those materials may have PFAS as a component, which could some day subject the company to legal liability issues.
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[Blog] How many of us are drinking toxic forever chemicals?
News
12 Jan 2021 | BioMed Central
A recent study found that nearly 100 million people in 16 out of 66 cities investigated in China are likely using drinking water that exceeds 20 ppt for the sum of five PFAS (PFOA, PFOS, PFHxS, PFHpA, and PFNA), new maximum contaminant level set by the U.S. state of Vermont.
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Gestational and childhood exposure to per- and polyfluoroalkyl substances and cardiometabolic risk at age 12 years
Science
12 Jan 2021 | Environ Int
In this cohort of children with higher gestational PFOA exposure, fetal exposure to PFOA and PFHxS was associated with unfavorable cardiometabolic risk in adolescence.
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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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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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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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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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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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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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Spatial Trends of Anionic, Zwitterionic, and Cationic PFASs at an AFFF-Impacted Site
Science
29 Dec 2020 | Environ Sci Technol
Precursor compounds may create long-term sources of perfluoroalkyl acids, although many pathways remain unknown; precursor analysis is critical for PFAS fate and transport understanding.
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Profiling of emerging and legacy per-/polyfluoroalkyl substances in serum among pregnant women in China
Science
29 Dec 2020 | Env. Poll.
6:2Cl-PFESA to PFOS ratio in serum shows an apparent geographic difference in China.