Showing 1261-1275 of 1747
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[Invited Perspective] Current Breast Milk PFAS Levels in the United States and Canada Indicate Need for Additional Monitoring and Actions to Reduce Maternal Exposures
Science
28 Feb 2022
Addressing the higher breast milk concentrations from maternal exposure to PFAS in drinking water will require identifying contaminated drinking water sources and establishing health-protective PFAS drinking water guidelines that consider both exposures and risks to breastfed infants.
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Comparative Toxicity of Aquatic PFAS Exposure in Three Species of Amphibians
Science
28 Feb 2022 | Environ Toxicol Chem
Chronic exposure to PFOS, PFOA, PFHxS, and 6:2 FTS can negatively affect amphibian body condition and development at low concentrations.
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Evaluation and validation of methodologies for the extraction of per- and polyfluoroalkyl substances (PFASs) in serum of birds and mammals
Science
28 Feb 2022 | Anal Bioanal Chem
Protein precipitation and enhanced matrix removal were found to be fast and effective methodologies for the extraction of PFAS from low volumes of serum.
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Association between maternal per- and polyfluoroalkyl substance exposure and newborn telomere length: Effect modification by birth seasons
Science
28 Feb 2022 | Environ Int
A higher maternal PFOA concentration was significantly associated with shorter newborn telomere length in spring-born infants but not in those born in other seasons.
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Maternal Perfluorinated Compound Exposure and Risk of Early Pregnancy Loss: A Nested Case-control Study
Science
28 Feb 2022 | Biomed Environ Sci
Higher maternal serum concentrations of PFDA and PFUdA were associated with an elevated risk of early pregnancy loss within 12 weeks of gestation.
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Monitoring breast milk for PFAS
News
24 Feb 2022 | Science Daily
While there is over 20 years of biomonitoring data on PFAS in human serum and urine, scientists and physicians have a limited understanding of the level of these chemicals in breast milk.
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Ski wax industry giving ‘forever chemicals’ the boot
News
23 Feb 2022 | Boise State Public Radio News
On a recent unseasonably warm February day, Straubhar said it had been a few years since he first heard that PFAS was a problem in high-end ski waxes. He said “fluorinated” or PFAS additives had been in some form or another for decades.
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Enhancing Scientific Support for the Stockholm Convention’s Implementation: An Analysis of Policy Needs for Scientific Evidence
Policy
21 Feb 2022
Scientists discuss the success of the Stockholm Convention for addressing global threats of PFAS and provide guidance for further support of the Convention.
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Enhancing Scientific Support for the Stockholm Convention’s Implementation: An Analysis of Policy Needs for Scientific Evidence
Science
21 Feb 2022 | ES&T
Scientists discuss the success of the Stockholm Convention for addressing global threats of PFAS and provide guidance for further support of the Convention.
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Utilizing Pine Needles to Temporally and Spatially Profile Per- and Polyfluoroalkyl Substances (PFAS)
Science
21 Feb 2022 | Environ Sci Technol
Non-targeted analysis of archived and new pine needle samples revealed over 70 PFAS, including both legacy PFAAs and their emerging replacements such as chlorinated derivatives, ultrashort chain PFAS, perfluoroalkyl ether acids, and more.
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Firefighters’ Catch-22: Protective gear full of carcinogens
News
16 Feb 2022 | E&E News
Firefighters are exposed to cancer-causing chemicals in the very clothing and gear that is meant to protect them, a paradox that stems from standards set under industry influence.
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Noise-Reduced Quantitative Fluorine NMR Spectroscopy Reveals the Presence of Additional Per- and Polyfluorinated Alkyl Substances in Environmental and Biological Samples When Compared with Routine Mass Spectrometry Methods
Science
15 Feb 2022 | Anal Chem
Novel techniques were applied to increase the sensitivity of fluorine NMR such that more PFAS were found in aqueous samples compared to traditional LC-MS methods, suggesting NMR as a simple and accurate tool to measure total organic fluorine.
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Sulfonamide functional head on short-chain perfluorinated substance drives developmental toxicity
Science
15 Feb 2022 | iScience
FBSA significantly disrupted normal gene expression in a human model species while other short-chain PFAS induced changes in larval behavior.
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Human exposure to F-53B in China and the evaluation of its potential toxicity: An overview
Science
15 Feb 2022 | Environ Int
A review of a novel PFAS demonstrated hepatotoxicity, endocrine disruption, reproductive, and developmental toxicity, and suggested further research given the extreme biopersistence of F-53B.
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Fire Test Performance of Eleven PFAS-Free Class B Firefighting Foams Varying Fuels, Admixture, Water Types and Foam Generation Techniques
Science
14 Feb 2022 | Fire Tech.
PFAS-free firefighting foams were found to meet performance requirements depending on the foam generation technique and the type of fuel or water on which the foams were applied.