Showing 316-330 of 1258
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Associations between Per-and Polyfluoroalkyl Substances Exposures and Blood Lipid Levels among Adults—A Meta-Analysis
Science
4 May 2023 | EHP
This meta-analysis concluded that PFOA and PFOS are significantly associated with increased cholesterol levels in human blood.
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Environmental Exposure to Emerging Alternatives of Per- and Polyfluoroalkyl Substances and Polycystic Ovarian Syndrome in Women Diagnosed with Infertility: A Mixture Analysis
Science
3 May 2023 | Environ Health Perspect
Environmental exposure to a PFAS mixture was associated with an increased incidence of abnormal ovarian health in infertile women, with 6:2 Cl-PFESA, HFPO-DA, PFOS, and PFDoA being the major contributors, especially in overweight women.
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Occurrence and risk assessments of per-and polyfluoroalkyl substances in tea bags from India
Science
1 May 2023 | Food Control
PFOS, PFHxS, and PFuNA were abundantly present in tea bag materials and tea powder, with PFOS and PFHxS contributing to high levels of exposure.
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Researchers Pin Down PFAS Prevalence in Firefighter Gear
News
1 May 2023 | NIST
Researchers at the National Institute of Standards and Technology have conducted an in-depth examination of a range of textiles used in turnout gear coats and pants, which are constructed in three layers.
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Association of Early Pregnancy Perfluoroalkyl and Polyfluoroalkyl Substance Exposure With Birth Outcomes
Science
1 May 2023 | JAMA Netw Open
Associations between blood PFOS and PFNA concentrations and lower birth weight, and between PFNA and preterm birth were noted only among mothers whose prenatal folic acid levels were low.
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Is PFAS pollution a human rights violation? These activists say yes
News
27 Apr 2023 | Grist
Activists in North Carolina allege that DuPont has for decades fouled Cape Fear River. They want the UN Human Rights Commission to hold it accountable.
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Lithium-ion battery recycling: a source of per- and polyfluoroalkyl substances (PFAS) to the environment?
Science
27 Apr 2023 | Environ. Sci: Process. Impacts.
This review highlights the need to further study emissions of fluorinated substances during lithium-ion battery recycling and suggests that substitution or treatment of PFAS-based materials is needed.
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Impact of PFAS exposure on prevalence of immune-mediated diseases in adults in the Czech Republic
Science
26 Apr 2023 | Environ Res.
PFAS exposure was found to have some adverse immune effects, including an association of elevated PFOS levels in men with higher rates of eczema.
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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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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.