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Determination of polyfluoroalkyl compounds in water and suspended particulate matter in the river Elbe and North Sea, Germany

Lutz AHRENS, Merle PLASSMANN, Zhiyong XIE, Ralf EBINGHAUS

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 152-170 doi: 10.1007/s11783-009-0021-8

Abstract: sulfinates (PFSiAs), C -C perfluorinated carboxylic acids (PFCAs), perfluoro-3,7-dimethyl-octanoic acid(3,7m -PFOA), perfluorooctane sulfonamide (FOSA), and n-ethyl perfluroctane sulfonamidoethanol (EtFOSEPFCs were mostly distributed in the dissolved phase, where perfluorooctanoic acid (PFOA) dominated withHowever, the concentrations of perfluorobutane sulfonate (PFBS) and perfluorobutanoic acid (PFBA) in

Keywords： polyfluoroalkyl compounds (PFCs)     perfluorooctane sulfonate (PFOS)     perfluorooctanoic acid (PFOA)     surface    

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Untargeted metabolomic analysis of pregnant women exposure to perfluorooctanoic acid at different degrees

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1628-x

Abstract:

● Metabolome can distinguish pregnant women exposure to PFOA at different

Keywords： Perfluorooctanoic acid     Exposure     Pregnant women     Metabolomic     GSH     Microbiota metabolism    

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Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 17-25 doi: 10.1007/s11783-011-0371-x

Abstract: Microwave-hydrothermal treatment of persistent and bioaccumulative perfluorooctanoic acid (PFOA) in waterHowever, applications of this process to effectively remediate PFOA pollution require a better understandingconcentrations (0.01–0.15 mol·L ), and temperature (60°C, 90°C, and 130°C) on persulfate oxidation of PFOAMaximum PFOA degradation occurred at pH 2.5, while little or no degradation at pH 10.5.Lowering system pH resulted in an increase in PFOA degradation rate.

Keywords： microwave     perfluorooctanoic acid     pH     persulfate     chloride ions     perfluorocarboxylic acids    

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Photo-induced surface frustrated Lewis pairs for promoted photocatalytic decomposition of perfluorooctanoic acid

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1603-6

Abstract:

● Terminal carboxylate group activation is PFOA degradation’s rate-limiting

Keywords： Heterogeneous photocatalysis     Surface frustrated Lewis pairs     Perfluorooctanoic acid     Defluorination    

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Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1524-9

Abstract:

• New method of mineralizing PFCs was proposed.

Keywords： PFCs     Molten sodium hydroxide     Thermal degradation     Activated carbon regeneration    

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Treatment technologies for aqueous perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA)

Chad D. VECITIS, Hyunwoong PARK, Jie CHENG, Brian T. MADER, Michael R. HOFFMANN

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 129-151 doi: 10.1007/s11783-009-0022-7

Abstract: Perfluorooctanesulfonate (PFOS), and perfluorooctanoate (PFOA) have been detected globally in the hydrosphereThe optimal PFOS/PFOA treatment method is strongly dependent upon the FC concentration, background organic

Keywords： fluorochemical (FC) degradation technologies     perfluoroctanesulfonate (PFOS)     perfluorooctanoate     (PFOA)    

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Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1198-1210 doi: 10.1007/s11705-021-2133-z

Abstract: Sulfonic acid functionalized mesoporous silica based solid acid catalysts with different morphology wereThe sulfonic acid functionalized mesoporous silica catalysts of spherical shape and the cube shape werecatalytic biodiesel production reaction over the catalysts were studied by esterification of free fatty acid, oleic acid with methanol.The effect of various reaction parameters such as catalyst concentration, acid/alcohol molar ratio, catalyst

Keywords： solid acid catalyst     mesoporous silica     sulfonic acid     biodiesel     esterification     oleic acid    

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Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 697-699 doi: 10.1007/s11708-022-0843-7

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Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 784-794 doi: 10.1007/s11705-022-2278-4

Abstract: biocatalysts; however, it is limited by the conditions of metal–organic framework synthesis and its acid-baseHerein, a biocatalytic platform with improved acid-base stability was constructed via a one-pot methodusing bismuth-ellagic acid as the carrier.Bismuth-ellagic acid is a green phenol-based metal–organic framework whose organic precursor is extractedacid was enhanced, which remained stable over a wide pH range (2–12) and achieved multiple recycling

Keywords： bismuth-ellagic acid     in situ encapsulation     enzyme@MOF biocomposites    

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Discovery of novel ursolic acid derivatives as effective antimicrobial agents through a ROS-mediated

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2101-2113 doi: 10.1007/s11705-023-2361-5

Abstract: In this study, we prepared three series of ursolic acid derivatives and assessed their antibacterialredox system of phytopathogenic bacteria, further demonstrating the unprecedented potential of ursolic acid

Keywords： ursolic acid     antibacterial activities     reactive oxygen species     apoptosis    

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Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 261-265 doi: 10.1007/s11705-007-0047-z

Abstract: Polyaspartic acid (PASP) composite, a scale inhibitor, was prepared from PASP, itaconic acid–acrylicacid–acrylic ester (IA-AA-AE) terpolymer and 2-phosphonobutane- 1,2,4-tricarboxylic acid (PBTCA).

Keywords： synergism     magnetic     PBTCA     dynamic     acid–acrylic acid–acrylic    

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Abiotic association of phthalic acid esters with humic acid of a sludge landfill

Xiaoli CHAI, Yongxia HAO, Xin ZHAO, Guixiang LIU, Ying ZHU, Rong JI, Jun WU, Huanhuan TONG, Youcai ZHAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 778-783 doi: 10.1007/s11783-012-0434-7

Abstract: The abiotic association between phthalic acid esters (PAEs) and humic substances (HS) in sludge landfillthe abiotic association of two abundant PAEs (diethyl phthalate and di- -butyl phthalate) with humic acid

Keywords： abiotic association     phthalic acid esters (PAEs)     humic acid     sludge     landfill    

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New perspectives in free nitrous acid (FNA) uses for sustainable wastewater management

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11783-024-1786-5

Abstract:

● The historical development of free nitrous acid (FNA) technologies

Keywords： Free nitrous acid     Acid-tolerant ammonia oxidizer     In situ generation     Wastewater management    

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Genomic and metabolomic analysis of with enhanced poly--glutamic acid production through atmospheric

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1751-1760 doi: 10.1007/s11705-022-2211-x

Abstract: Poly-γ-glutamic acid is an extracellular polymeric substance with various applications owing toHowever, the ability of natural strains to produce poly-γ-glutamic acid is low.licheniformis CGMCC 2876, and a mutant strain M32 with an 11% increase in poly-γ-glutamic acidplipastatin synthase subunit C and glutamate, which might contribute to the higher poly-γ-glutamic acidThe maximum poly-γ-glutamic acid yield of 14.08 g·L–1 was finally reached with 30 g

Keywords： ARTP mutagenesis     Bacillus licheniformis     poly-γ-glutamic acid     metabolomics    

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Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023531

Abstract:

● Proline-2′-deoxymugineic (PDMA) significantly altered the bacterial community in the peanut rhizosphere.

Keywords： rhizobacteria recruitment     peanut     plant-soil micronutrition enhancement     proline-2′-deoxymugineic acid    

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Title Author Date Type Operation

Determination of polyfluoroalkyl compounds in water and suspended particulate matter in the river Elbe and North Sea, Germany

Lutz AHRENS, Merle PLASSMANN, Zhiyong XIE, Ralf EBINGHAUS

Journal Article

Untargeted metabolomic analysis of pregnant women exposure to perfluorooctanoic acid at different degrees

Journal Article

Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Journal Article

Photo-induced surface frustrated Lewis pairs for promoted photocatalytic decomposition of perfluorooctanoic acid

Journal Article

Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten

Journal Article

Treatment technologies for aqueous perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA)

Chad D. VECITIS, Hyunwoong PARK, Jie CHENG, Brian T. MADER, Michael R. HOFFMANN

Journal Article

Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Journal Article

Amino acid promoted hydrogen battery system using Mn-pincer complex for reversible CO hydrogenation toformic acid

Journal Article

Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Journal Article

Discovery of novel ursolic acid derivatives as effective antimicrobial agents through a ROS-mediated

Journal Article

Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Journal Article

Abiotic association of phthalic acid esters with humic acid of a sludge landfill

Xiaoli CHAI, Yongxia HAO, Xin ZHAO, Guixiang LIU, Ying ZHU, Rong JI, Jun WU, Huanhuan TONG, Youcai ZHAO

Journal Article

New perspectives in free nitrous acid (FNA) uses for sustainable wastewater management

Journal Article

Genomic and metabolomic analysis of with enhanced poly--glutamic acid production through atmospheric

Journal Article

Proline-2′-deoxymugineic acid, a phytosiderophore analog, drives beneficial rhizobacterial community

Journal Article