Showing 3061-3075 of 4874
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Behavior Effects of Structurally Diverse Per- and Polyfluoroalkyl Substances in Zebrafish
Science
25 May 2021 | Chem Res Toxicol
Exposure to the PFCAs did not cause significant mortality or morphological effects, with the exception of PFOA and PFNA.
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Impact of the increasing concentrations of selected perfluoroalkyl acids on the observed concentrations of red blood cell folate among US adults aged ≥20 years
Science
25 May 2021 | Environ Sci Pollut Res Int
The degree to which PFAS concentrations in red blood cells changed varied by age, gender, and race/ethnicity.
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Source allocation of per- and polyfluoroalkyl substances (PFAS) with supervised machine learning: Classification performance and the role of feature selection in an expanded dataset
Science
24 May 2021 | Chemosphere
Supervised machine learning based on composition can identify patterns that can be used to distinguish PFAS sources.
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FluoroMatch 2.0-making automated and comprehensive non-targeted PFAS annotation a reality
Science
24 May 2021 | Anal Bioanal Chem
Using the newly developed FluoroMatch Flow 2 software, 1,000 individual PFAS were found in firefighting foam, including previously undescribed compounds.
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U.S. Sen. Ben Ray Luján joins bipartisan group of senators calling on FDA to set limits on PFAS in bottled water
News
22 May 2021 | Los Alamos Daily Post
When tap water is compromised, many consumers turn to bottled water. The FDA regulates bottled water, but has not set a limit for PFAS. Without nationwide EPA regulations for tap water, some states have implemented PFAS limits for drinking water, but not for bottled water.
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Vermont governor signs restrictions on PFAS 'forever chemicals'
News
20 May 2021 | The Hill
The bill bans the chemicals from firefighting foam, food packaging, and ski wax, as well as carpets, rugs, and stain-resistant treatments.
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[Press Release] Vermont Governor signs first-in-nation restrictions on toxic PFAS chemicals
News
19 May 2021 | Safer States
The bill bans PFAS chemicals from firefighting foam, food packaging, ski wax, and carpets, rugs, and stain-resistant treatments.
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There’s no need to control PFAS as a class, industry scientists say
News
19 May 2021 | C&EN
Their analysis counters a policy proposal in the European Union that would restrict production and use of most PFAS as a single class.
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Biomarkers of poly- and perfluoroalkyl substances (PFAS) in Sub-Arctic and Arctic communities in Canada
Science
19 May 2021 | Int J Hyg Environ Health
Male participants had higher concentrations of PFAS compared to female participants, and PFAS concentrations tended to increase with age.
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Method Development and Validation of Per- and Polyfluoroalkyl Substances in Foods from FDA's Total Diet Study Program
Science
19 May 2021 | J Agric Food Chem
A PFAS detection method was validated for use in a wide variety of foods and found positive detects of PFOS in meat samples.
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Perfluoroalkyl and polyfluoroalkyl substances and body size and composition trajectories in midlife women: the study of women's health across the nation 1999-2018
Science
19 May 2021 | Int J Obes (Lond)
Certain PFAS were positively associated with greater body size and body fat and may be an underappreciated contributing factor to obesity risk.
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New PFAS health risk levels cement gap between US federal agencies
Policy
18 May 2021
A division of the US Department of Health and Human Services has finalized health risk levels for four PFAS.
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Environmental Source Tracking of Per- and Polyfluoroalkyl Substances within a Forensic Context: Current and Future Techniques
Science
18 May 2021 | Environ Sci Technol .
In this perspective, we identify the current tools available and principal developments necessary to enable greater confidence in environmental source tracking to identify and apportion PFAS sources.
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Maternal exposure of mice to sodium p-perfluorous nonenoxybenzene sulfonate causes endocrine disruption in both dams and offspring
Science
18 May 2021 | Endocr J
Exposure to PFAS was associated with endocrine disruption in mothers and their offspring.
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Simultaneous analysis of neutral and ionizable per- and polyfluoroalkyl substances in air
Science
18 May 2021 | Chemosphere
A novel method was developed to determine the fate of PFAS in air.