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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1952 1
1955 1
1956 1
1958 1
1960 1
1962 1
1963 2
1965 1
1966 1
1967 1
1968 3
1969 2
1970 4
1971 18
1972 17
1973 20
1974 28
1975 22
1976 27
1977 19
1978 21
1979 17
1980 14
1981 25
1982 33
1983 24
1984 50
1985 39
1986 39
1987 47
1988 57
1989 43
1990 42
1991 53
1992 44
1993 34
1994 45
1995 44
1996 46
1997 45
1998 54
1999 58
2000 63
2001 52
2002 63
2003 74
2004 86
2005 96
2006 97
2007 86
2008 75
2009 77
2010 82
2011 99
2012 126
2013 129
2014 127
2015 116
2016 93
2017 112
2018 112
2019 132
2020 131
2021 140
2022 138
2023 123
2024 66

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3,277 results

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Page 1
Mechanistic Investigations of Thermal Decomposition of Perfluoroalkyl Ether Carboxylic Acids and Short-Chain Perfluoroalkyl Carboxylic Acids.
Alinezhad A, Shao H, Litvanova K, Sun R, Kubatova A, Zhang W, Li Y, Xiao F. Alinezhad A, et al. Environ Sci Technol. 2023 Jun 13;57(23):8796-8807. doi: 10.1021/acs.est.3c00294. Epub 2023 May 17. Environ Sci Technol. 2023. PMID: 37195265 Free article.
In this study, we investigated the thermal decomposition mechanisms of perfluoroalkyl ether carboxylic acids (PFECAs) and short-chain perfluoroalkyl carboxylic acids (PFCAs) that have been manufactured as replacements for phased-out per- and polyfluoroalkyl s …
In this study, we investigated the thermal decomposition mechanisms of perfluoroalkyl ether carboxylic acids (PFECAs) and shor …
Transamidation-Driven Molecular Pumps.
Binks L, Tian C, Fielden SDP, Vitorica-Yrezabal IJ, Leigh DA. Binks L, et al. J Am Chem Soc. 2022 Aug 31;144(34):15838-15844. doi: 10.1021/jacs.2c06807. Epub 2022 Aug 18. J Am Chem Soc. 2022. PMID: 35979923 Free PMC article.
Threading occurs as a result of active template reactions between the pump terminus amine and an acyl electrophile, whereby the bond-forming reaction is accelerated through the cavity of a crown ether. Carboxylation of the resulting amide results in displacement of …
Threading occurs as a result of active template reactions between the pump terminus amine and an acyl electrophile, whereby the bond-forming …
Removal and destruction of perfluoroalkyl ether carboxylic acids (PFECAs) in an anion exchange resin and electrochemical oxidation treatment train.
Fang Y, Meng P, Schaefer C, Knappe DRU. Fang Y, et al. Water Res. 2023 Feb 15;230:119522. doi: 10.1016/j.watres.2022.119522. Epub 2022 Dec 20. Water Res. 2023. PMID: 36577256
Perfluoroalkyl ether carboxylic acids (PFECAs) are a group of emerging recalcitrant contaminants that are being developed to replace legacy per- and polyfluoroalkyl substances (PFAS) in industrial applications and that are generated as by-products in fluoropolymer m …
Perfluoroalkyl ether carboxylic acids (PFECAs) are a group of emerging recalcitrant contaminants that are being developed to r …
Novel Perfluoroalkyl Ether Carboxylic Acids (PFECAs) and Sulfonic Acids (PFESAs): Occurrence and Association with Serum Biochemical Parameters in Residents Living Near a Fluorochemical Plant in China.
Yao J, Pan Y, Sheng N, Su Z, Guo Y, Wang J, Dai J. Yao J, et al. Environ Sci Technol. 2020 Nov 3;54(21):13389-13398. doi: 10.1021/acs.est.0c02888. Epub 2020 Oct 13. Environ Sci Technol. 2020. PMID: 33047597
Although perfluoroalkyl ether carboxylic (PFECAs) and sulfonic acids (PFESAs) have been widely detected in environmental matrices, their occurrence in humans and impact on human health remains insufficiently understood. ...
Although perfluoroalkyl ether carboxylic (PFECAs) and sulfonic acids (PFESAs) have been widely detected in environmental matri …
First Report on the Bioaccumulation and Trophic Transfer of Perfluoroalkyl Ether Carboxylic Acids in Estuarine Food Web.
Li Y, Yao J, Zhang J, Pan Y, Dai J, Ji C, Tang J. Li Y, et al. Environ Sci Technol. 2022 May 17;56(10):6046-6055. doi: 10.1021/acs.est.1c00965. Epub 2021 Jul 23. Environ Sci Technol. 2022. PMID: 34296857
As novel alternatives to legacy poly- and perfluoroalkyl substances (PFAS), perfluoroalkyl ether carboxylic acids (PFECAs) have been widely detected in the environment; however, there is limited information and knowledge regarding their bioaccumulation and trophic t …
As novel alternatives to legacy poly- and perfluoroalkyl substances (PFAS), perfluoroalkyl ether carboxylic acids (PFECAs) hav …
Unexpected Isomerization of Oxetane-Carboxylic Acids.
Chalyk B, Grynyova A, Filimonova K, Rudenko TV, Dibchak D, Mykhailiuk PK. Chalyk B, et al. Org Lett. 2022 Jul 8;24(26):4722-4728. doi: 10.1021/acs.orglett.2c01402. Epub 2022 Jun 29. Org Lett. 2022. PMID: 35766229 Free PMC article.
Many oxetane-carboxylic acids were found to be unstable. They easily isomerized into new (hetero)cyclic lactones while being stored at room temperature or slightly heated. ...
Many oxetane-carboxylic acids were found to be unstable. They easily isomerized into new (hetero)cyclic lactones while being stored a …
Trophic behaviors of PFOA and its alternatives perfluoroalkyl ether carboxylic acids (PFECAs) in a coastal food web.
Li Y, Yao J, Pan Y, Dai J, Tang J. Li Y, et al. J Hazard Mater. 2023 Jun 15;452:131353. doi: 10.1016/j.jhazmat.2023.131353. Epub 2023 Apr 3. J Hazard Mater. 2023. PMID: 37030227
With the increasing restrictions and concerns about legacy poly- and perfluoroalkyl substances (PFAS), the production and usage of alternatives, i.e., perfluoroalkyl ether carboxylic acids (PFECAs), have risen recently. However, there is a knowledge gap regarding th …
With the increasing restrictions and concerns about legacy poly- and perfluoroalkyl substances (PFAS), the production and usage of alternati …
Comprehensive Assessment of Exposure Pathways for Perfluoroalkyl Ether Carboxylic Acids (PFECAs) in Residents Near a Fluorochemical Industrial Park: The Unanticipated Role of Cereal Consumption.
Dong F, Pan Y, Zhang J, Hu J, Luo Y, Tang J, Dai J, Sheng N. Dong F, et al. Environ Sci Technol. 2023 Dec 5;57(48):19442-19452. doi: 10.1021/acs.est.3c06910. Epub 2023 Nov 6. Environ Sci Technol. 2023. PMID: 37931148
With the replacement of perfluorooctanoic acid (PFOA) with perfluorinated ether carboxylic acids (PFECAs), residents living near fluorochemical industrial parks (FIPs) are exposed to various novel PFECAs. ...
With the replacement of perfluorooctanoic acid (PFOA) with perfluorinated ether carboxylic acids (PFECAs), residents living ne …
Cyclopropenium Ions in Catalysis.
Wilson RM, Lambert TH. Wilson RM, et al. Acc Chem Res. 2022 Oct 18;55(20):3057-3069. doi: 10.1021/acs.accounts.2c00546. Epub 2022 Sep 28. Acc Chem Res. 2022. PMID: 36170613
First, we discuss our early work aimed at promoting dehydrative reactions, starting with Appel-type chlorodehydrations of alcohols and carboxylic acids, cyclic ether formations, and Beckmann rearrangements and culminating in the realization of catalytic chlorodehydr …
First, we discuss our early work aimed at promoting dehydrative reactions, starting with Appel-type chlorodehydrations of alcohols and ca …
3,277 results