Showing 721-735 of 1008
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These tiny, self-assembling traps capture PFAS
News
27 May 2020 | University at Buffalo
The iron-based tetrahedral cages capture a subset of PFAS with chains of six or more fluorinated carbon atoms, including perfluorocarboxylic acids, sulfonic acids and fluorotelomers.
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Legacy and emerging per- and polyfluoroalkyl substances (PFASs) in the coastal environment of Korea: Occurrence, spatial distribution, and bioaccumulation potential
Science
27 May 2020 | Chemosphere
Seawater was dominated by short-chained PFASs as a prompt reflection of regulation, while the sediment and bivalves were dominated by long-chained PFASs.
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Integrative omics analyses uncover the mechanism underlying the immunotoxicity of perfluorooctanesulfonate in human lymphocytes
Science
27 May 2020 | Chemosphere
The findings of this study offer insight into the molecular mechanisms underlying the immunotoxicity of PFOS and open the potential of using the identified PFOS-responsive genes and lipids as biomarkers for risk assessment.
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Interactions of perfluorooctanesulfonate (PFOS) and 6:2 chlorinated polyfluorinated ether sulfonate (6:2 Cl-PFESA) with human serum albumin (HSA): A comparative study
Science
27 May 2020 | Chem. Res. Toxicol.
The stronger binding affinity of 6:2 Cl-PFESA to human blood cells may contribute to its higher bioaccumulation potential than PFOS.
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Per- and polyfluoroalkyl substances (PFASs) in blood of captive Siberian tigers in China: Occurrence and association with biochemical parameters
Science
19 May 2020 | Env Poll
Ten PFASs were detected in the blood of captive Siberian tigers, including PFOS alternative 6:2 Cl-PFESA, primarily from the consumption of PFAS-contaminated meat.
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Removal of eight perfluoroalkyl acids from aqueous solutions by aeration and duckweed
Science
19 May 2020 | Sci the Total Env
With duckweed, >95% of long chain PFAS at 200 ppb were removed after 2 weeks.
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Perfluoroalkyl Substance Exposure Was Negatively Associated With Cortisone Levels in Pregnancy
Science
19 May 2020 | J Endocr Soc
Early pregnancy concentrations of maternal PFAS were inversely associated with late pregnancy cortisone levels, indicating potential endocrine disruption in highly exposed mothers.
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Investigation of Levels of Perfluoroalkyl Substances in Surface Water, Sediment and Fish Tissue in New Jersey, USA
Science
19 May 2020 | Sci of Total Env
PFOS, PFDA, PFUnA, and PFDoA were the predominant PFAS detected in fish tissue with the highest levels downstream of a military facility.
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Controversy over incinerator-linked PFAS in New York draws scrutiny from federal lawmakers
News
14 May 2020 | Waste Dive
Norlite’s Cohoes incinerator, one of nine facilities nationwide approved to burn PFAS-laden firefighting foam, has stated it is not currently accepting the foam pending EPA research.
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Persistent organic pollutant exposure and celiac disease: A pilot study
Science
13 May 2020 | Environ. Res.
Females found to be at higher risk of celiac disease associated with exposure to PFOS and PFOA.
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Long-term investigation on the removal of perfluoroalkyl substances in a full-scale drinking water treatment plant in the Veneto Region, Italy
Science
12 May 2020 | Sci. of the Total Envir.
A granular activated carbon system was studied for five years in Italy to determine various PFAS breakthrough behaviors.
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Associations of Per-/Polyfluoroalkyl Substances with Glucocorticoids and Progestogens in Newborns
Science
12 May 2020 | Env. Int.
These results suggested that not only PFOS and PFOA but also other PFAS have potential impacts on the endocrine system in newborns.
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In-situ Sequestration of Perfluoroalkyl Substances Using Polymer-Stabilized Powdered Activated Carbon
Science
12 May 2020 | ES&T
Experiments conducted in a model aquifer further demonstrated the potential for powdered activated carbon to be effective in situ treatment option for PFAS-impacted groundwater.
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Early Life Exposure to Perfluoroalkyl Substances (PFAS) and ADHD: A Meta-Analysis of Nine European Population-Based Studies
Science
12 May 2020 | Environ. Health Perspect.
PFAS exposure was associated with an increased prevalence of ADHD in children from low-educated households.
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The Relationship between Perfluoroalkyl Substances Concentrations and Thyroid Function in Early Childhood: A Prospective Cohort Study
Science
12 May 2020 | Thyroid
A significant relationship was found between early-life exposure to PFAS and thyroid function.