Articles with "polyfluoroalkyl" as a keyword



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Polyfluoroalkyl-silica porous coatings with high antireflection properties and low surface free energy for glass in solar energy application

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144864

Abstract: Abstract Polyfluoroalkyl-silica porous coating stacks with durable antireflection (AR) properties have been obtained for photovoltaic (PV) application. An acid-catalyzed sol-gel process combined with evaporation induced self-assembly and the presence of a non-hydrolyzable polyfluoroalkyl group linked… read more here.

Keywords: polyfluoroalkyl silica; energy; antireflection properties; silica porous ... See more keywords
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A simple and efficient synthesis of 3-(polyfluoroalkyl)propane-1,2,3-trione 2-oximes

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Published in 2017 at "Mendeleev Communications"

DOI: 10.1016/j.mencom.2017.09.011

Abstract: A convenient direct synthesis of 1-aryl-3-(polyfluoroalkyl)propane-1,2,3-trione 2-oximes from the corresponding lithium 3-(polyfluoroalkyl)- 1,3-diketonates has been elaborated using sodium nitrite/acetic acid system under very mild conditions. The molecular structure of 4,4-difluoro-1-phenylbutane- 1,2,3-trione 2-oxime has been determined… read more here.

Keywords: polyfluoroalkyl propane; propane trione; trione; polyfluoroalkyl ... See more keywords

Exposure of Preconception Couples to Legacy and Emerging Per- and Polyfluoroalkyl Substances: Variations Within and Between Couples.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.1c07422

Abstract: Exploration of the exposure of preconception couples to per- and polyfluoroalkyl substances (PFAS), as well as the most important influencing factors, promotes the understanding of the joint effects of parental exposure on reproductive health. In… read more here.

Keywords: polyfluoroalkyl; exposure preconception; within couples; preconception couples ... See more keywords
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Tissue-Specific Uptake, Depuration Kinetics, and Suspected Metabolites of Three Emerging Per- and Polyfluoroalkyl Substances (PFASs) in Marine Medaka.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.1c07643

Abstract: Restrictions on legacy per- and polyfluoroalkyl substances (PFASs) have led to the widespread use of emerging PFASs. However, their toxicokinetics have rarely been reported. Here, tissue-specific uptake and depuration kinetics of perfluoroethylcyclohexanesulfonate (PFECHS) and 6:2… read more here.

Keywords: per polyfluoroalkyl; marine medaka; polyfluoroalkyl; polyfluoroalkyl substances ... See more keywords
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Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c00381

Abstract: Human exposure to per- and polyfluoroalkyl substances (PFASs) has gained worldwide attention due to their widespread presence in the environment and adverse health effects, but the exposure assessment in the elderly is still lacking. This… read more here.

Keywords: per polyfluoroalkyl; polyfluoroalkyl; polyfluoroalkyl substances; jinan china ... See more keywords
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Sorption of polyfluoroalkyl surfactants on surface soils: Effect of molecular structures, soil properties, and solution chemistry.

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Published in 2020 at "Environmental science & technology"

DOI: 10.1021/acs.est.9b04989

Abstract: Zwitterionic, cationic, and anionic per- and polyfluoroalkyl substances (PFASs) are identified in aqueous film-forming foam (AFFF) concentrates and AFFF-impacted sites. However, the mobility potential of zwitterionic and cationic PFASs is poorly understood, preventing reliable site… read more here.

Keywords: anionic pfass; chemistry; sorption; polyfluoroalkyl ... See more keywords

Bioavailability and bioaccumulation of 6:2 fluorotelomer sulfonate, 6:2 chlorinated polyfluoroalkyl ether sulfonates and perfluorophosphinates in a soil-plant system.

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Published in 2020 at "Journal of agricultural and food chemistry"

DOI: 10.1021/acs.jafc.0c00542

Abstract: As emerging alternatives of legacy perfluoroalkyl substances, 6:2 fluorotelomer sulfonate (6:2 FTS), 6:2 chlorinated polyfluoroalkyl ether sulfonates (6:2 Cl-PFESA) and perfluorophosphinates (C6/C6 and C8/C8 PFPiAs) are supposed to be partitioned to soil and highly persistent… read more here.

Keywords: fluorotelomer sulfonate; pfass; bioavailability; chlorinated polyfluoroalkyl ... See more keywords
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Powerful Potential of Polyfluoroalkyl-Containing 4-Arylhydrazinylidenepyrazol-3-ones for Pharmaceuticals

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules28010059

Abstract: 4-Arylhydrazinylidene-5-(polyfluoroalkyl)pyrazol-3-ones (4-AHPs) were found to be obtained by the regiospecific cyclization of 2-arylhydrazinylidene-3-(polyfluoroalkyl)-3-oxoesters with hydrazines, by the azo coupling of 4-nonsubstituted pyrazol-5-oles with aryldiazonium chlorides or by the firstly discovered acid-promoted self-condensation of 2-arylhydrazinylidene-3-oxoesters. All… read more here.

Keywords: containing arylhydrazinylidenepyrazol; potential polyfluoroalkyl; powerful potential; polyfluoroalkyl ... See more keywords