Showing 706-720 of 1356
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Associations between polyfluoroalkyl substance and organophosphate flame retardant exposures and telomere length in a cohort of women firefighters and office workers in San Francisco
Science
7 Sep 2021 | Environ Health
Positive associations between PFAS and telomere length in women workers, with larger effects seen among firefighters as compared to office workers.
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The Nrf2a pathway impacts zebrafish offspring development with maternal preconception exposure to perfluorobutanesulfonic acid
Science
2 Sep 2021 | Chemosphere
PFBS exposures were found to alter egg and embryo development, when exposure occurs preconception.
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FDA Releases PFAS Testing Results from First Survey of Nationally Distributed Processed Foods
Policy
1 Sep 2021
The U.S. Food and Drug Administration released the first survey of PFAS in nationally distributed processed foods, including several processed baby foods.
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Per/polyfluoroalkyl substances production, applications and environmental impacts
Science
31 Aug 2021 | Bioresource Tech.
Current chemical and biological remediation technologies are expensive/not effective and thus new remediation technologies must be developed.
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Early pregnancy loss: Do Per- and polyfluoroalkyl substances matter?
Science
31 Aug 2021 | Environ Int
Overall, we suggest that most PFAS were not associated with early pregnancy loss at the current exposure levels.
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Rapid Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Harbour Porpoise Liver Tissue by HybridSPE-UPLC-MS/MS
Science
31 Aug 2021 | Toxics
A new analytical method was optimized for use on mammalian tissues with up to 89% detection.
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Occurrence of perfluoroalkyl substances (PFASs) in marine plastic litter from coastal areas of Central Chile
Science
25 Aug 2021 | Mar Pollut Bull
Long-chain PFAS, which can be metabolically degraded into PFOS, were found on six South American beaches in plastic debris.
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External and internal human exposure to PFOA and HFPOs around a mega fluorochemical industrial park, China: Differences and implications
Science
25 Aug 2021 | Environ Int
PFAS were detected in human hair, and their compositions were similar to those in human serum, suggesting that hair is a good non-invasive indicator for long-term exposure to legacy long-chain perfluoroalkyl carboxylic acids and HFPOs.
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The Dilemma of Perfluorooctanoate (PFOA) Human Half-life
Science
25 Aug 2021 | Regul Toxicol Pharmacol
Based on information from both human observational studies and clinical data, we proposed a range for the half-life for PFOA of 0.5 to 1.5 years, which would likely raise many existing regulatory safe levels if all other parameters stayed the same.
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Perfluoroalkyl substances (PFAS) in drinking water and risk for polycystic ovarian syndrome, uterine leiomyoma, and endometriosis: A Swedish cohort study
Science
25 Aug 2021 | Environ Int
Exposure to high levels of PFAS in drinking water was associated with an increased risk of enlarged and irritated ovaries.
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Removal of per- and poly-fluoroalkyl substances (PFASs) by wetlands: Prospects on plants, microbes and the interplay
Science
25 Aug 2021 | Sci Total Environ
The choice of plants and bacterial species is however crucial for the bioremediation of PFAS, and the system efficiency relies on species-specific, sediment-specific, and pollutant-specific principles.
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Exposure to endocrine disrupting chemicals (EDCs) and cardiometabolic indices during pregnancy: The HOME Study
Science
25 Aug 2021 | Environ Int
HFPO-DA was found to potentially be a major problem of health risk that affects inflammation, gut barrier dysfunction, and gut microbiota disturbance in mammals.
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Chlorinated polyfluoroalkyl ether sulfonic acids in fish, dust, drinking water and human serum: From external exposure to internal doses
Science
25 Aug 2021 | Environ Int
The modeled serum concentrations of 6:2 Cl-PFESA were higher than its observed levels hinting at its gradually increasing exposure levels in the general population.
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Correlates of plasma concentrations of per- and poly-fluoroalkyl substances among reproductive-aged Black women
Science
24 Aug 2021 | Environ Res
PFAS exposure was strongly associated with reproductive factors such as reduced concentrations with parity, recent birth, lactation, and heavy menstrual bleeding in black women.
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[Blog post] Dirty Water: Toxic “Forever” PFAS Chemicals Are Prevalent in the Drinking Water of Environmental Justice Communities
News
18 Aug 2021 | NRDC
At least 69 percent of state-identified disadvantaged communities have PFAS contamination in their public water systems.