perfluoroalkyl acid
Crop bioaccumulation and human exposure of perfluoroalkyl acids through multi media transport from a mega fluorochemical industrial park, China
... Perfluoroalkyl acids (PFAAs) have been widely used in industrial processes and household products, including performance chemicals, lubricants, pesticides, surfactants and surface protectors, owing to their ...
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Breastfeeding : a potential excretion route for mothers and implications for infant exposure to perfluoroalkyl acids
... lipids, perfluoroalkyl acids (PFAAs) strongly bind to the protein fraction in blood, notably to albumin (Voelkel et ...perfluorooctanoic acid (PFOA), perfluoro octane sulfonate (PFOS), perfluorononanoic ...
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What is the effect of phasing out long-chain per- and polyfluoroalkyl substances on the concentrations of perfluoroalkyl acids and their precursors in the environment? A systematic review protocol
... with perfluoroalkyl chain length ...of perfluoroalkyl acids (PFAAs, including PFCAs and PFSAs) occurring in Arctic marine food ...canoic acid (PFDcA), perfluoroundecanoic acid (PFUnA), ...
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Can perfluoroalkyl acids biodegrade in the rumen simulation technique (RUSITEC)?
... PFAAs: perfluoroalkyl acids; PFAS: per‑ and polyfluoroalkyl substances; PFBS: perfluorobutane sulfonic acid; PFCAs: perfluoroalkyl carboxylic acids; PFHpA: perfluoroheptane carboxylic acid; ...
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Short-chain perfluoroalkyl acids: environmental concerns and a regulatory strategy under REACH
... in paints, the production of fluoropolymers, etc. [3, 4]. During the production and life cycle of the products, a certain fraction of PFASs is inevitably emitted into the environment (e.g., [5]). Many commonly used PFASs ...
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Association between perfluoroalkyl acids and kidney function in a cross-sectional study of adolescents
... Several cross-sectional epidemiological studies in adults and children have also shown a positive association be- tween PFOA and uric acid (UA) [10–13], though one failed to detect such an association [14]. This ...
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What is the effect of phasing out long-chain per- and polyfluoroalkyl substances on the concentrations of perfluoroalkyl acids and their precursors in the environment? A systematic review
... Perfluoroalkane sulfonic acids (PFSAs) and their precursors Similar to PFCAs, sources of PFSAs include release dur- ing manufacture and use, as well as from the degrada- tion of various precursor substances [5, 31]. ...
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Perfluoroalkyl acids and time to pregnancy revisited: An update from the Danish National Birth Cohort
... In the pooled analyses including both parous and nulliparous women fecundability ratios were 13-22 % lower for the three higher quartiles of PFOS or PFOA compared to the reference quarti[r] ...
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Prenatal Exposure to Perfluoroalkyl Acids and Serum Testosterone Concentrations at 15 Years of Age in Female ALSPAC Study Participants
... octanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) on menstrual characteristics, reproductive hormone levels, and number of follicles (Kristensen et ...octanoic acid (PFOA) was associated ...
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Food Web Contaminant Dynamics of a Large Atlantic Regulated River: Implications for Common and Imperiled Species.
... risk. Perfluoroalkyl acids (PFAAs) are one such class of compounds that have attracted substantial scientific and regulatory attention due to their persistence, bioaccumulative potential, toxicity, and global ...
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Home produced eggs:An important pathway of human exposure to perfluorobutanoic acid (PFBA) and perfluorooctanoic acid (PFOA) around a fluorochemical industrial park in China
... Perfluoroalkyl acids PFAAs in indoor and outdoor dusts around a mega fluorochemical industrial park in China: Implications for human exposure.. TWK Trinkwasserkommission, Drinking Water [r] ...
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Can profiles of poly- and Perfluoroalkyl substances (PFASs) in human serum provide information on major exposure sources?
... PFAA: Perfluoroalkyl acid; PFASs: Poly- and perfluoroalkyl substances; PFBA: Perfluorobutanoic acid; PFBS: Perfluorobutanesulfonic acid; PFCAs: Perfluoroalkyl carboxylates; PFDA: ...
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Catalytic enantioselective synthesis of perfluoroalkyl substituted β lactones via a concerted asynchronous [2+2] cycloaddition : a synthetic and computational study
... phenylacetic acid with pivaloyl chloride to provide mixed anhydride 15 provided access to peruorobutyl-substituted b-lactone 21 in 51% yield and promising stereoselectivity (92 : 8 dr, 89 : 11 er; entry ...
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Association between prenatal exposure to perfluoroalkyl substances and asthma in 5-year-old children in the Odense Child Cohort
... sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), and perfluorodecanoic acid (PFDA) phase-out has not been adequately implemented and serum con- centrations are increasing in some countries ...
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Association between Perfluoroalkyl substances and thyroid stimulating hormone among pregnant women: a cross-sectional study
... In a study of 44 Korean pregnant women with serum measures of PFAS and several thyroid hormones in cord blood [25], inverse associations were found between maternal PFOS and neonatal total T3, and between maternal ...
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Fitting Nonlinear Calibration Curves: No Models Perfect
... (six perfluoroalkyl compounds (perfluorooctane sulfonic acid and five perfluoroalkyl carboxylic acids), three preservatives (methyl-, ethyl- and pro- pylparabens) and the brominated flame retardant ...
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PHYTOCHEMICAL PROFILE OF SEQUOIA SEMPERVIRENS GROWN IN EGYPT
... ABSTRACT: The immunomodulatory and antiulcerogenic activities of the chloroform, ethyl acetate and n-butanol fractions of Sequoia sempervirens (D. Don.) leaves were investigated. The ethyl acetate fraction showed the ...
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“A Comprehensive Review on Biological Activities of P-Hydroxy Benzoic Acid and Its Derivatives” by Rohini Manuja, Shikha Sachdeva, Akash Jain, Jasmine Chaudhary, India.
... Protocatechuic acid (3, 4-dihydroxybenzoic acid, ...p-hydroxybenzoic acid which can be synthesized chemically as well as isolated naturally 1 from sources like Spanish heath (Ericaaustralis), dog ...
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Changes in plasma levels of perfluoroalkyl substances (PFASs) are related to increase in carotid intima-media thickness over 10 years – a longitudinal study
... perfluoroheptanoic acid (PFHpA), perfluorononanoic acid (PFNA), perfluorodeca- noic acid (PFDA), perfluoroundecanoic acid (PFUnDA), perfluorohexane sulfonic acid (PFHxS), linear isomer ...
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Method of Making Fatty Acid N Acylalkanolamines
... radecenoic acid, pentadecanoic acid, palmitic acid, palmi toleic acid, cis-9-hexadecenoic acid, heptadecanoic acid, heptadecenoic acid, stearic acid, oleic acid, linoleic acid, linolenic[r] ...
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