Showing 286-300 of 1056
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[Press Release] Rep. Sherrill Holds Science, Space, and Technology Committee Hearing on PFAS Research and Development
Policy
13 Dec 2021
Representative Mikie Sherrill (NJ-11) held a hearing on PFAS to discuss the role of federal research and development to better understand and address the growing problem and expand public understanding about PFAS in NJ-11 and across the country.
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Illinois EPA Proposes Groundwater Standards for Dangerous Chemicals
News
13 Dec 2021 | KHAQ
The proposed rule includes new groundwater quality standards for five PFAS chemicals: PFOA, PFOS, PFNA, PFHxS, and PFBS.
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Montmorillonite clay-based sorbents decrease the bioavailability of per- and polyfluoroalkyl substances (PFAS) from soil and their translocation to plants
Science
13 Dec 2021 | Environ Res
The addition of amended clay to soils was found to reduce the uptake of PFAS into edible crops by up to 74%.
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A Bad Start in Life? Maternal Transfer of Legacy and Emerging Poly- and Perfluoroalkyl Substances to Eggs in an Arctic Seabird
Science
13 Dec 2021 | Environ Sci Technol
Researchers identified 7:3 fluorotelomer carboxylic acid in 84% of seabird egg yolks and provided the first documented finding of ADONA in wildlife.
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Tumorigenic activity of alternative per- and polyfluoroalkyl substances (PFAS): Mechanistic in vitro studies
Science
6 Dec 2021 | Sci Total Environ
PFHxS has been associated with breast cancer in epidemiological studies, and this study demonstrated how this shorter-chain PFAS can affect cell proteins and cell proliferation.
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Perfluorooctane sulfonate (PFOS) exposure of bovine oocytes affects early embryonic development at human-relevant levels in an in vitro model
Science
6 Dec 2021 | Toxicology
Human-relevant levels of PFOS alter early bovine embryo development in vitro.
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Perfluorooctane sulfonate induces heart toxicity involving cardiac apoptosis and inflammation in rats
Science
6 Dec 2021 | Exp Ther Med
Exposure to PFOS left rats with heart inflammation and other markers of cardiac toxicity.
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Species- and Tissue-Specific Chronic Toxicity Values for Northern Bobwhite Quail (Colinus virginianus) Exposed to PFHxA and a Binary Mixture of PFOS and PFHxA
Science
30 Nov 2021 | Environ Toxicol Chem
PFHxA was more toxic to reproducing birds than either PFOS or a PFOS:PFHxS mixture, suggesting that avian PFAS toxicity is not necessarily additive.
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Prenatal exposure to poly-/per-fluoroalkyl substances is associated with alteration of lipid profiles in cord-blood
Science
30 Nov 2021 | Metabolomics
Prenatal PFAS exposure may explain associations between PFAS exposure and adverse health conditions later in life, such as type 2 diabetes.
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Poly- and Perfluorinated Alkyl Substances in Air and Water from Dhaka, Bangladesh.
Science
30 Nov 2021 | Environ Toxicol Chem
The prevalence of 6:2 FTOH and PFBA across sites likely reflects their usage in textile manufacturing and could indicate the industry's switch to shorter chain PFAS.
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PFASs pollution in Galveston Bay surface waters and biota (shellfish and fish) following AFFFs use during the ITC fire at Deer Park (March 17th-20th 2019), Houston, TX
Science
30 Nov 2021 | Sci Total Environ
High PFAS levels were measured in water following AFFF usage on a nearby petrochemical fire and a risk assessment suggested a fish consumption advisory to protect against human exposure.
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Distribution and ten-year temporal trends (2009-2018) of perfluoroalkyl substances in gull eggs from Spanish breeding colonies
Science
30 Nov 2021 | Environ Pollut
Total PFAS concentrations in gull eggs decreased through the 10-year study period in all but one colony, highlighting the usefulness of gull eggs as bioindicators of PFAS pollution in water and fish.
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Tumor and serum levels of per- and polyfluoroalkyl (PFAS) in hepatobiliary and gastrointestinal malignancy
Science
30 Nov 2021 | Am J Surg
Cancer patients had higher levels of PFOS than the national average and those with higher blood serum levels of PFOS were more likely to have higher levels of PFOS in tumors.
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DNR Finalizing Rules Limiting Some PFAS in Drinking, Surface Waters
News
29 Nov 2021 | Wisconsin State Journal
The agency is separately working on rules to limit PFOA and PFOS in groundwater and another 12 fluorinated compounds in drinking water.
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Immunotoxicity mechanisms of perfluorinated compounds PFOA and PFOS
Science
23 Nov 2021 | Chemosphere
Mechanisms of PFOA and PFOS immunotoxicity in humans and animals were summarized.