Showing 841-855 of 2162
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Early life exposure to low-dose perfluorooctane sulfonate disturbs gut barrier homeostasis and increases the risk of intestinal inflammation in offspring
Science
24 Apr 2023 | Environ Pollut
Low-dose PFOS exposure disrupted the developing digestive functions in a human model species.
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Association of perfluoroalkyl and polyfluoroalkyl substances with sex hormones in children and adolescents 6-19 Years of age
Science
23 Apr 2023 | Environ Pollut
Serum concentrations of individual PFAS and mixtures were associated with changes in developmental hormone levels.
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IDTechEx Examine the Use of PFAS as Low-Loss Materials for 5G Application
News
21 Apr 2023 | Yahoo Finance
But with certain members of the PFAS family, namely fluoropolymers like PTFE, being considered for next-gen 5G applications, how will this affect the low-loss materials market for 5G?
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Protecting Lake Superior from PFAS from landfill leachate
News
20 Apr 2023 | WDIO
Smelting is a beloved pastime for many in the Northland, but there’s a threat lurking under the surface of Lake Superior.
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Mechanistic Middle-Out Physiologically Based Toxicokinetic Modeling of Transporter-Dependent Disposition of Perfluorooctanoic Acid in Humans
Science
18 Apr 2023 | ES&T
A new model was developed to explain the persistence of PFOA in humans after both high-dose, acute and low-dose, chronic exposures.
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Global ocean contamination of per- and polyfluoroalkyl substances: A review of seabird exposure
Science
18 Apr 2023 | Chemosphere
Seabirds had higher levels of PFOS exposure – often exceeding toxicity reference values in places like the Baltic Sea and the San Francisco Bay – in the late 1990s and early 2000s, consistent with the phase-out of PFOS-based chemicals.
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70 analyte PFAS test method highlights need for expanded testing of PFAS in drinking water
Science
17 Apr 2023 | Sci. Total Environ.
Unregulated Contaminant Monitoring Rule will likely underreport PFAS in drinking water due to existing methods’ limited coverage and higher minimum reporting limits. The most common PFAS present was PFPrA, a poorly studied and monitored short-chain PFAS.
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Pharmaceuticals Account for a Significant Proportion of the Extractable Organic Fluorine in Municipal Wastewater Treatment Plant Sludge
Science
17 Apr 2023 | Environ. Sci. Technol. Lett.
Pharmaceutical substances and pesticides can contribute to sizable portions of the organofluorine content detected in wastewater treatment plant sludge.
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Ecological characteristics impact PFAS concentrations in a US North Atlantic food web
Science
17 Apr 2023 | Sci Total Environ
PFAS concentrations were related to species, body size, habitat, feeding guild, and location, with PFDA, PFOS, and FOSA levels being the highest in game species that live within the water column.
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Weight loss relapse associated with exposure to perfluoroalkylate substances
Science
17 Apr 2023 | Obesity
PFOA and PFHxS plasma concentrations were associated with increased weight gain, meaning obesogenic PFAS may cause weight gain and thus contribute to the obesity pandemic.
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Half of PFAS in drinking water not monitored by EPA: Study
News
14 Apr 2023 | CoastalReview.org
Though millions of people would qualify for drinking water protections under a nationwide proposal to limit certain chemical compounds in water sources, millions more would not, a new study concludes.
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Expert panel to discuss PFAS in firefighting gear with documentary film screening
News
13 Apr 2023 | Notre Dame News
The University of Notre Dame will host a screening of “BURNED: Protecting the Protectors” — a short documentary exploring the link between perfluorinated substances, known as “forever chemicals,” and decades of cancer in the firefighting community.
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NRDC Analysis: Peer-Reviewed Study Finds EPA Misses PFAS Chemicals Already Present in Drinking Water
News
12 Apr 2023
Nearly half of the PFAS “forever chemicals” present in drinking water samples are not monitored by the U.S. EPA, according to a peer-reviewed analysis conducted by NRDC and community members in 16 states.
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Concentrations and isomer profiles of perfluoroalkyl carboxylates in house rats (Rattus norvegicus) and human blood: Implication for human exposure sources
Science
11 Apr 2023 | Sci Total Environ
Fluorotelomer alcohol exposure and subsequent biotransformation is an important source of PFCAs in humans and rats that live nearby.
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PFAS Blood Test Costs a Barrier for Many Who Fear High Exposure
News
10 Apr 2023 | Bloomberg Law
Blood tests measuring PFAS can help doctors manage risks for patients who have been significantly exposed to the chemicals—but the tests cost up to $600, and insurance generally doesn’t cover them.