Showing 1291-1305 of 2205
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Pressure growing to remove PFAS from fast food wrappers
News
1 Jun 2022 | Shelton Herald
Hampton, who believes the contaminated water contributed to kidney problems she and other residents suffer, soon learned that PFAS were found in another source that hit close to home — fast food wrappers, boxes and plates.
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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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A High-Throughput Toxicity Screen of 42 Per- and Polyfluoroalkyl Substances (PFAS) and Functional Assessment of Migration and Gene Expression in Human Placental Trophoblast Cells
Science
1 Jun 2022 | Front. Toxicol.
The placenta is potentially a direct target of PFAS exposure and indicate that trophoblast cell gene expression and function are disrupted at PFAS levels well below the predetermined cell mortality level.
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Assessment of Bioactive Surfactant Levels in Selected Cereal Products
Science
30 May 2022 | Applied Sciences
The most frequently detected compound was PFOA, which was quantified in 65.2% of samples, while PFBA was present in the majority of cereal based products.
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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.
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Systematic Evidence Map for Over One Hundred and Fifty Per- and Polyfluoroalkyl Substances (PFAS)
Science
24 May 2022 | Environ Health Perspect
More than 40,000 studies were identified to compile epidemiological evidence for 150 PFAS, and it was found that many PFAS lack sufficient data to determine health impacts.
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Influence of Perfluoroalkyl Substances on Occurrence of Coronavirus Disease 2019
Science
24 May 2022 | Int J Environ Res Public Health
PFAS exposures occurring early in life may cause deleterious health effects later in life, including decreased antibody response and reduced disease resistance. Highest levels of both PFAS exposure and COVID-19 were found in the oldest populations.
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PFAS use in electronic products and exposure risks during handling and processing of e-waste: A review
Science
24 May 2022 | J Environ Manage
The wide use of PFAS in electronics presents a likely exposure source to workers at electronic-waste disposal sites given that PFAS have been detected in environmental and human samples near waste processing sites.
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Dermal uptake: An important pathway of human exposure to perfluoroalkyl substances?
Science
24 May 2022 | Environ Pollut
The available literature on human dermal absorption of PFAS is critically reviewed and compared to other halogenated contaminants like brominated flame retardants, and the authors highlight the need for dermal permeation and uptake studies for a wide range of PFAS and their precursors.
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More than 3,000 potentially harmful chemicals found in food packaging
News
19 May 2022 | The Guardian
International experts who analyzed more than 1,200 scientific studies warn chemicals are being consumed with unknown long-term impacts