Showing 991-1005 of 1492
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Colorado bans PFAS in oil- and gas-extraction products
News
6 Jun 2022 | C&EN
Colorado has become the first US state to ban per- and polyfluoroalkyl substances (PFAS) in products used in drilling for oil and gas.
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Concerning measures to increase protections from perfluoroalkyl and polyfluoroalkyl chemicals
Policy
6 Jun 2022
The Colorado state legislature passed HB22-1345, which was signed into law by Gov. Jared Polis (D).
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Is the use of paper food contact materials treated with per- and polyfluorinated alkyl substances safe for high-temperature applications? – Migration study in real food and food simulants
Science
6 Jun 2022 | Food Chemistry
Several PFAS migrated from paper-based food contact materials into real food, contributing significantly to tolerable weekly intake.
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Per- and polyfluoroalkyl substances (PFAS) exposure in women seeking in vitro fertilization-embryo transfer treatment (IVF-ET) in China: Blood-follicular transfer and associations with IVF-ET outcomes
Science
6 Jun 2022 | Sci Total Environ
Based on their physicochemical properties, many PFAS can easily cross the blood-follicle barrier, but there was no significant association between PFAS concentrations and select in vitro fertilization outcomes.
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Early-pregnancy plasma per- and polyfluoroalkyl substance (PFAS) concentrations and hypertensive disorders of pregnancy in the Project Viva cohort
Science
6 Jun 2022 | Environ Int
Exposure to certain PFAS may increase the odds of gestational hypertension during pregnancy, with potential implications for maternal and child health outcomes.
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Estimated daily intake of per- and polyfluoroalkyl substances related to different particle size fractions of house dust
Science
6 Jun 2022 | Chemosphere
Children’s estimated daily intake for the sum of PFOA, PFNA, PFHxS, and PFOS from house dust exposure is close to the tolerable weekly intake value presented by the European Union.
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Dietary Perfluorohexanoic Acid (PFHxA) Exposures in Juvenile Zebrafish Produce Subtle Behavioral Effects across Generations
Science
4 Jun 2022 | Toxics
PFHxA juvenile dietary exposure induced abnormal adult behavior and anxiety in a multigenerational human model species.
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Application of soil amendments for reducing PFAS leachability and bioavailability
Science
1 Jun 2022 | Environ. Pollut.
Through the use of commercially-available soil additives, the mobility and potential exposure to soil-borne PFAS was decreased by 98%.
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Extraction of Chemical Structures from Literature and Patent Documents using Open Access Chemistry Toolkits: A Case Study with PFAS
Science
1 Jun 2022 | Comput. Theor. Chem.
This work extracted ~1.7 M PFAS from patents and ~27 K from repositories to better understand how chemical structures are being normalized and communicated.
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Are resource recovery insects safe for feed and food? A screening approach for bioaccumulative trace organic contaminants
Science
1 Jun 2022 | Sci. Total Environ.
Four PFAS (PFBA, PFOA, PFBS, and PFOS) did not bioaccumulate in larvae, and non-target analysis revealed emerging PFAS present in larvae and almond hulls.
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Communicating Confidence of Per- and Polyfluoroalkyl Substance Identification via High-Resolution Mass Spectrometry
Science
30 May 2022 | Environ. Sci. Technol. Lett.
A confidence scale system was developed for the identification of PFAS through mass spectrometry to aid scientific research, especially considering the lack of analytical reference standards for PFAS.
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Silicone Wristbands Track Firefighters’ Exposure to Harmful Chemicals
News
25 May 2022 | Duke University
Recent research by scientists at Duke University could give doctors and public health officials a new tool for tracking firefighters’ exposures to PFAS, cancer-causing chemicals and determining where and when the risks might be greatest.
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U.S. government’s $650 billion buying power could move markets to PFAS-free products
Policy
24 May 2022
Curbing the needless use of the toxic "forever chemicals" known as PFAS could end their cycle of contamination, and the U.S. government has an extraordinary ability to move markets to PFAS-free products with its $650 billion annual purchasing power.
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San Diego files lawsuit over toxic PFAS chemicals in water
News
24 May 2022 | CBS8
San Diego is suing more than 20 companies including 3M, DuPont and Raytheon over decades-long contamination.
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Extraction and Matrix Cleanup Method for Analyzing Novel Per- and Polyfluoroalkyl Ether Acids and Other Per- and Polyfluoroalkyl Substances in Fruits and Vegetables
Science
24 May 2022 | J. Agric. Food Chem.
An extraction and cleanup method was developed to quantify 45 PFAS, including 13 PFEAs, 3 perfluoroalkane sulfonamides, and 6 fluorotelomer carboxylic acids in 10 types of fruits and vegetables.