PFAS: forever chemicals—persistent, bioaccumulative and mobile ...
WEBMar 23, 2023 · The best studied PFAS are carboxylic and sulfonic acids with chain lengths of C4 to C14, particularly perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). These substances are harmful to aquatic fauna, insects, and amphibians at concentrations of a few µg/L or less, accumulate in organisms, and biomagnify in …
PFAS Exposure Pathways for Humans and Wildlife: A Synthesis of …
WEBThere is evidence that both phospholipids and proteins are important for the tissue partitioning and accumulation of PFAS. New mechanistic models for PFAS bioaccumulation are being developed that will assist in wildlife risk evaluations.
Research for Understanding PFAS Uptake and Bioaccumulation …
WEBDec 5, 2023 · Exposure to certain PFAS may lead to detrimental health impacts including reproductive effects, developmental effects, increased risks of cancers, weakening of the immune system, and endocrine system disruption [4,5]. Agriculture and PFAS chemicals can intersect through soil, air, and water.
PFAS and Precursor Bioaccumulation in Freshwater Recreational …
WEBOct 24, 2022 · In this study, surface water and aquatic invertebrates at three Swedish sites impacted by PFAS point sources were characterized, using homolog, isomer and extractable organofluorine (EOF) profiling as well as estn. of bioaccumulation factors (BAFs) and mass discharge.
Per- and polyfluoroalkyl substances in the environment | Science
WEBBioaccumulation modeling suggests that both protein interactions and lipid partitioning are important parameters for accurately assessing PFAS (122, 123), although predicting biomacromolecule interactions has proven difficult because …
Exposure pathways and bioaccumulation of per- and …
WEBMay 20, 2022 · Bioaccumulation of PFAS in macroinvertebrates can be influenced by a variety of factors: PFAS characteristics, organism aspects, and environmental characteristics, with the most important factors described throughout this section.
Revisiting the “forever chemicals”, PFOA and PFOS exposure
WEBAug 21, 2023 · Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), known as the most detected per- and polyfluoroalkyl substances (PFAS) in various environmental compartments, have been...
Exposure routes, bioaccumulation and toxic effects of per- and ...
WEBJan 1, 2022 · The bioaccumulation of PFASs in plants from contaminated sites varied between ng/g and μg/g levels. The 50% inhibition concentration of PFASs for plant growth is often several orders of magnitude higher than the …
Bioaccumulation of Per- and Polyfluoroalkyl Substances (PFAS) …
WEBFeb 27, 2023 · Abstract. The present study assessed the bioaccumulation potential of per- and polyfluoroalkyl substances (PFAS) in ferns and linked root uptake behaviors to root characteristics and PFAS molecular structure.
Literature review of PFAS bioaccumulation data
WEBOct 20, 2020 · File info. Literature review of PFAS bioaccumulation data. Cite. Download(782.44 kB) Share. Embed. presentation. posted on2020-10-20, 21:36authored byLawrence P. Burkhard. Presentation to the EPA-ECOS-ASTHO PFAS Science Call …
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