Showing 31-45 of 291
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Characterizing the Movement of Per-and Polyfluoroalkyl Substances in an Avian Aquatic–Terrestrial Food Web
Science
24 Nov 2023 | Environ. Sci. Technol.
Tree swallow nestlings were found to feed on both terrestrial and aquatic macroinvertebrates, leading to the bioaccumulation and biomagnification of PFAS, particularly PFOS, highlighting the complex and chemical-specific movement of PFAS through linked aquatic-terrestrial food webs.
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Per- and poly-fluoroalkyl substances in commercial organic eggs via fishmeal in feed
Science
7 Nov 2023 | Chemosphere
Organic eggs from certain farms in Denmark were found to contain elevated levels of PFAS originating from fishmeal used in organic feed, leading to the voluntary removal of fishmeal from the feed by producers to mitigate PFAS exposure.
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Chemical crisis: The unseen toxic threat contaminating wildlife worldwide
News
28 Oct 2023 | The Hill
An unseen but growing chemical contamination crisis is threatening wildlife across all seven continents, exacerbating a host of environmental threats they’re already facing.
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Trends in Serum Per-and Polyfluoroalkyl Substance (PFAS) Concentrations in Teenagers and Adults, 1999–2018 NHANES
Science
27 Oct 2023 | Int. J. Environ. Res. Public Health
Some longer chain PFAS levels in serum have decreased over time, however they are still detected in drinking water and consumer products, with certain racial/ethnic groups showing differing levels of exposure, highlighting the need for continued monitoring.
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Is it raining PFAS in France? An analysis of 52 PFAS at ng/L levels in French rainwaters during Autumn season
Science
27 Oct 2023 | J Environ Qual
This study analyzed rainwater in France for PFAS and detected the presence of PFNA, PFUnA, and PFHxA while also emphasizing the importance of environmental surveillance and improved analysis methods.
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Per- and Polyfluoroalkyl Substances (PFAS) in PubChem: 7 Million and Growing
Science
23 Oct 2023 | Environ. Sci. Technol.
The Organisation for Economic Co-operation and Development's 2021 revision of the PFAS definition has led to the inclusion of over 7 million PFAS compounds in PubChem.
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Metabolic Perturbations Associated with an Exposure Mixture of Per-and Polyfluoroalkyl Substances in the Atlanta African American Maternal-Child Cohort
Science
19 Oct 2023 | Environ Sci Technol
Prenatal exposure to a mixture of PFAS chemicals, including PFOA, PFNA, PFOS, and PFHxS, is associated with significant metabolic perturbations indicative of systemic inflammation and oxidative stress in pregnant African-American women, highlighting the importance of considering the joint effects of these chemicals on human health.
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Serum concentrations of per- and polyfluoroalkyl substances and risk of renal cell carcinoma in the Multiethnic Cohort Study
Science
14 Sep 2023 | Environ. Int.
Researchers found a significant positive correlation between PFNA and renal cell carcinoma risk, particularly in African American participants but also in Native Hawaiian and White participants.
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Per- and polyfluoroalkyl substances and sleep health in U.S. adults, NHANES 2005-2014
Science
6 Sep 2023 | Environ Res
No indications were found that exposure to four legacy PFAS compounds has a detrimental impact on the self-reported sleep quality of U.S. adults.
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Prenatal and childhood exposure to per-/polyfluoroalkyl substances (PFASs) and its associations with childhood overweight and/or obesity: a systematic review with meta-analyses
Science
14 Aug 2023 | Environ Health
The review revealed positive correlations between prenatal PFNA and BMI, between PFOA and BMI in children older than 3 years, as well as between prenatal PFNA and waist circumference. Negative associations were found between prenatal PFOS and BMI in children younger than 3 years and PFHxS and the risk of being overweight.
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Per- and Polyfluoroalkyl Substances (PFAS) and Lipid Trajectories in Women 45-56 Years of Age: The Study of Women's Health Across the Nation
Science
8 Aug 2023 | Environ Health Perspect
Research conducted among midlife women revealed a correlation between specific PFAS and elevated cholesterol levels in the bloodstream, characterized by a distinctive pattern of rapid increase followed by a decrease.
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Environmental explanation of prostate cancer progression based on the comprehensive analysis of perfluorinated compounds
Science
25 Jul 2023 | Ecotoxicol Environ Saf
PFOA and PFNA were found to promote the growth of prostate cancer cells.
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Per- and polyfluoroalkyl substances (PFAS) measured in seafood from a cross-section of retail stores in the United States
Science
13 Jul 2023 | J Hazard Mater
PFAS levels in several grocery store seafood samples were found to exceed safe levels, and PFBS from food storage bags contaminated the fish, potentially leading to a substantial impact on human exposure.
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An LC-MS/MS method for the quantitative determination of 57 per- and polyfluoroalkyl substances at ng/kg levels in different food matrices
Science
6 Jul 2023 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
An analytical method was optimized for quantifying the amount of PFAS in milk powder, milk-based infant formula, meat-based baby food puree, fish and fish oil, fresh egg, and soluble coffee, with limits of quantification low enough to comply with EU regulation.
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PFAS in western Tokyoites’ blood more than double national average
News
8 Jun 2023 | The Japan Times
A group of residents in western Tokyo checking concentrations of potentially harmful PFAS chemicals in their blood have confirmed an exposure that is 2.7 times higher than the national average and at a level that may produce long-term health effects.