Showing 106-120 of 321
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Comparison of untargeted and targeted perfluoroalkyl acids measured in adolescent girls
Science
25 Jan 2022 | Chemosphere
Environmental exposure measures from untargeted assays are comparable with targeted assays, and can serve as reliable inputs into statistical analysis for discovery and for determining their biological impacts.
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Background release and potential point sources of per-and polyfluoroalkyl substances to municipal wastewater treatment plants across Australia
Science
24 Jan 2022 | Chemosphere
About 60% of PFAS in Australian wastewater treatment plant influent was due to background release (at a rate of 8.1-24 μg/day/person) with the remaining ~40% due to point sources including industrial activities.
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Demographic, life-style and physiological determinants of serum per- and polyfluoroalkyl substance (PFAS) concentrations in a national cross-sectional survey of Swedish adolescents
Science
17 Jan 2022 | Environ Res
Legacy PFAS were found at elevated levels throughout Swedish adolescents in addition to the novel 9Cl-PF3ONS in 5% of those tested, and females had lower serum PFAS concentration than males.
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Quantitation of linear and branched perfluoroalkane sulfonic acids (PFSAs) in women and infants during pregnancy and lactation
Science
10 Jan 2022 | Environ Int
A linear relation between PFSA concentrations in mothers at pregnancy week 18 and infants at six months was observed, suggesting that pregnancy and lactation are major excretion routes for PFSA, but accumulate in the infant.
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Association between maternal serum concentration of perfluoroalkyl substances (PFASs) at delivery and acute infectious diseases in infancy
Science
20 Dec 2021 | Chemosphere
Prenatal exposure to PFAS was associated with increased risks of diarrhea during the first year of life, and these effects were stronger among breastfed infants.
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To Understand Health Effects of PFAS Polluted Water, Residents Submit Blood Samples
News
15 Dec 2021 | North Carolina Health News
The 209 people tested in Pittsboro are part of the latest round of research being conducted to determine the extent to which North Carolina residents are being affected by the industrial pollution.
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[Press Release] Rep. Sherrill Holds Science, Space, and Technology Committee Hearing on PFAS Research and Development
Policy
13 Dec 2021
Representative Mikie Sherrill (NJ-11) held a hearing on PFAS to discuss the role of federal research and development to better understand and address the growing problem and expand public understanding about PFAS in NJ-11 and across the country.
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Illinois EPA Proposes Groundwater Standards for Dangerous Chemicals
News
13 Dec 2021 | KHAQ
The proposed rule includes new groundwater quality standards for five PFAS chemicals: PFOA, PFOS, PFNA, PFHxS, and PFBS.
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Poly- and Perfluorinated Alkyl Substances in Air and Water from Dhaka, Bangladesh.
Science
30 Nov 2021 | Environ Toxicol Chem
The prevalence of 6:2 FTOH and PFBA across sites likely reflects their usage in textile manufacturing and could indicate the industry's switch to shorter chain PFAS.
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Prenatal exposure to poly-/per-fluoroalkyl substances is associated with alteration of lipid profiles in cord-blood
Science
30 Nov 2021 | Metabolomics
Prenatal PFAS exposure may explain associations between PFAS exposure and adverse health conditions later in life, such as type 2 diabetes.
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A New OECD Definition for Per- and Polyfluoroalkyl Substances
Science
16 Nov 2021 | Environ Sci Technol
The Organisation for Economic Co-operation and Development and the United Nations Environment Programme expanded on their definition of PFAS to include fluorinated substances that contain at least one fully fluorinated methyl or methylene carbon atom.
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[Blog] The Big Reveal: Hundreds of Health Studies on Next Gen PFAS
News
10 Nov 2021 | NRDC
The PFAS-Tox Database has been updated and includes 1068 studies.
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Half-lives of several polyfluoroalkyl substances (PFAS) in cattle serum and tissues
Science
9 Nov 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
Cattle drank water contaminated with PFAS-containing fire fighting from were found to have PFOS, PFHpS, PFNA, PFDA, and PFHxS in their blood which was used to estimate half-lives for these substances.
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Engineering human liver fatty acid binding protein for detection of poly- and perfluoroalkyl substances
Science
9 Nov 2021 | Biotechnol Bioeng
A novel method of detecting selected PFAS in water (at parts per billion or million levels) by using human liver proteins was developed and implemented in field applications.
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Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland
Science
9 Nov 2021 | Chemosphere
Moderate consumption of most Baltic fishes exceeded the tolerable weekly intake set by the European Commission for the sum of four PFAS (PFOA, PFNA, PFHxS, and PFOS).