Showing 226-240 of 851
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Levels, distributions, and sources of legacy and novel per- and perfluoroalkyl substances (PFAS) in the topsoil of Tianjin, China
Science
1 Jun 2021 | J Env. Sci.
PFOA, 6:2 Cl-PFESA, and PFOS were the main PFAS contaminants in the Chinese topsoil.
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Are there risks induced by novel and legacy poly- and perfluoroalkyl substances in coastal aquaculture base in South China?
Science
1 Jun 2021 | Sci Total Environ
F-53B was found frequently and has a relatively high concentration in seawater in coastal China.
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PFAS blood tests in Newburgh show high levels of five chemicals
News
28 May 2021 | Times Herald-Record
Participants were randomly selected from households that until 2016 received drinking water suspected to have been contaminated with firefighting foam used at the New York Stewart Air National Guard base.
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Impact of the increasing concentrations of selected perfluoroalkyl acids on the observed concentrations of red blood cell folate among US adults aged ≥20 years
Science
25 May 2021 | Environ Sci Pollut Res Int
The degree to which PFAS concentrations in red blood cells changed varied by age, gender, and race/ethnicity.
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Perfluoroalkyl substance pollutants activate the innate immune system through the AIM2 inflammasome
Science
25 May 2021 | Nat Commun
The AIM2 receptor in mice was found to reduce PFOS-induced inflammation, as well as tissue damage in the lungs, livers, and kidneys.
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Risk Assessment of Perfluorooctane Sulfonate (PFOS) using Dynamic Age Dependent Physiologically based Pharmacokinetic Model (PBPK) across human lifetime
Science
25 May 2021 | Environ Res
A model was developed to quantify the risk of PFOS throughout the human lifetime, particularly in susceptible age groups.
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Perfluoroalkyl substances and immune cell counts in adults from the Mid-Ohio Valley (USA)
Science
25 May 2021 | Environ Int
PFHxS exposure was found to initiate an immune response in the human body.
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Perfluoroalkyl and polyfluoroalkyl substances and body size and composition trajectories in midlife women: the study of women's health across the nation 1999-2018
Science
19 May 2021 | Int J Obes (Lond)
Certain PFAS were positively associated with greater body size and body fat and may be an underappreciated contributing factor to obesity risk.
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Method Development and Validation of Per- and Polyfluoroalkyl Substances in Foods from FDA's Total Diet Study Program
Science
19 May 2021 | J Agric Food Chem
A PFAS detection method was validated for use in a wide variety of foods and found positive detects of PFOS in meat samples.
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New PFAS health risk levels cement gap between US federal agencies
Policy
18 May 2021
A division of the US Department of Health and Human Services has finalized health risk levels for four PFAS.
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Environmental exposure to perfluoroalkyl substances in early pregnancy, maternal glucose homeostasis and the risk of gestational diabetes: A prospective cohort study
Science
18 May 2021 | Environ Int
Environmental exposure to PFAS may affect glucose homeostasis in pregnancy and increase the risk of diabetes symptoms, especially in average-weight women.
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California expands review of PFOS, PFOA to include cancer risk
News
17 May 2021 | JD Supra
The California Office of Environmental Health Hazard Assessment is expanding its review of potential substances to add to its Proposition 65 list of chemicals that cause cancer. This includes PFOA, PFOS with PFDA, PFHxS, PFNA, and PFUnDA next.
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Per- and Polyfluoroalkyl Substances (PFAS) in Breast Milk: Concerning Trends for Current-Use PFAS
Science
17 May 2021 | Environ Sci Technol
PFOS and PFOA levels have decreased in breast milk from 1996-2019 although short-chain detection doubles every 4 years.
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PFAS and their substitutes in groundwater: Occurrence, transformation and remediation
Science
11 May 2021 | J Hazard Mater
GenX, F-53B, and OBS in groundwater treatment by UV/sulfite system and electrochemical oxidation proved effective.
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Occurrence, profiles, and ecotoxicity of poly- and perfluoroalkyl substances and their alternatives in global apex predators: A critical review
Science
11 May 2021 | J of Env Sci
PFOS was the dominant PFAS found in the top predators, followed by PFUnDA, and the proportions of odd C-chain length PFCAs were higher than adjacent even C-chain length PFCAs.