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Studies of Endocrine Disruptors: Nonylphenol and Isomers in Biological Models.
De la Parra-Guerra AC, Acevedo-Barrios R. De la Parra-Guerra AC, et al. Environ Toxicol Chem. 2023 Jul;42(7):1439-1450. doi: 10.1002/etc.5633. Epub 2023 May 22. Environ Toxicol Chem. 2023. PMID: 37057841 Review.
Certain emerging pollutants are among the most widely used chemicals globally, causing widespread concern in relation to their use in products devoted to cleaniness and asepsis. Nonylphenol ethoxylate (NPEOn) is one such contaminant, along with its degradation produ …
Certain emerging pollutants are among the most widely used chemicals globally, causing widespread concern in relation to their use in produc …
Toxicity of nonylphenol and nonylphenol ethoxylate on Caenorhabditis elegans.
De la Parra-Guerra A, Olivero-Verbel J. De la Parra-Guerra A, et al. Ecotoxicol Environ Saf. 2020 Jan 15;187:109709. doi: 10.1016/j.ecoenv.2019.109709. Epub 2019 Oct 22. Ecotoxicol Environ Saf. 2020. PMID: 31654870
Among the most used chemicals in the world are nonionic surfactants. One of these environmental pollutants is nonylphenol ethoxylate (NP-9), also known as Tergitol, and its degradation product, nonylphenol (NP). ...With the exception of glutathione peroxidase, which …
Among the most used chemicals in the world are nonionic surfactants. One of these environmental pollutants is nonylphenol ethoxyla …
A comparison of endocrine disruption potential of nonylphenol ethoxylate, vanillin ethoxylate, 4-n-nonylphenol and vanillin in vitro.
Ji X, Li N, Yuan S, Zhou X, Ding F, Rao K, Ma M, Wang Z. Ji X, et al. Ecotoxicol Environ Saf. 2019 Jul 15;175:208-214. doi: 10.1016/j.ecoenv.2019.03.060. Epub 2019 Mar 19. Ecotoxicol Environ Saf. 2019. PMID: 30901638
The widely used surfactant nonylphenol ethoxylate (NPEO) and its raw material 4-n-nonylphenol (4-n-NP), as well as its degradation products, are recognized as endocrine disrupting chemicals. ...The in vitro data indicated that NPEO, 4-n-NP and VAEO have the p …
The widely used surfactant nonylphenol ethoxylate (NPEO) and its raw material 4-n-nonylphenol (4-n-NP), as well as its degrada …
Environmental analysis of alcohol ethoxylates and nonylphenol ethoxylate metabolites by ultra-performance liquid chromatography-tandem mass spectrometry.
Lara-Martín PA, González-Mazo E, Brownawell BJ. Lara-Martín PA, et al. Anal Bioanal Chem. 2012 Mar;402(7):2359-68. doi: 10.1007/s00216-011-5449-6. Epub 2011 Oct 15. Anal Bioanal Chem. 2012. PMID: 22002557
We have focused our attention here on the most widely used nonionic surfactants, alcohol ethoxylates (AEOs), and on nonylphenol ethoxylate (NPEO) degradation products (short-chain nonylphenol ethoxylates, NP1-3EO, nonylphenol, NP, and nonylphenol ethoxycarboxylates, …
We have focused our attention here on the most widely used nonionic surfactants, alcohol ethoxylates (AEOs), and on nonylphenol et …
Nonylphenol ethoxylate degradation in detergents during shelf time, a new exposure pathway, and a perspective on their substitution.
Bernal-Jácome LA, Izar-Landeta JM, Flores-Ramírez R, González-Salazar LF, Vargas-Berrones KX. Bernal-Jácome LA, et al. Environ Sci Pollut Res Int. 2024 Apr 12. doi: 10.1007/s11356-024-33260-7. Online ahead of print. Environ Sci Pollut Res Int. 2024. PMID: 38607492
In the environment, NPE biodegrades into the metabolite nonylphenol (NP), classified as an endocrine disruptor. The identification and quantification of 4-NP in a designed detergent and 30 commercially available detergents were performed to prove the degradation of NPE int …
In the environment, NPE biodegrades into the metabolite nonylphenol (NP), classified as an endocrine disruptor. The identification an …
Removal of nonylphenol ethoxylate surfactant in batch reactors: emphasis on methanogenic potential and microbial community characterization under optimized conditions.
Teixeira RM, Sakamoto IK, Motteran F, Camargo FP, Varesche MBA. Teixeira RM, et al. Environ Technol. 2024 Mar;45(7):1343-1357. doi: 10.1080/09593330.2022.2143287. Epub 2022 Nov 15. Environ Technol. 2024. PMID: 36352347
ABSTRACTNonylphenol ethoxylate (NPE) is an endocrine-disrupting chemical that has bioaccumulative, persistent and toxic characteristics in different environmental matrices and is difficult to remove in sewage treatment plants. ...
ABSTRACTNonylphenol ethoxylate (NPE) is an endocrine-disrupting chemical that has bioaccumulative, persistent and toxic characteristi …
Genotoxicity of 4-nonylphenol and nonylphenol ethoxylate mixtures by the use of Saccharomyces cerevisiae D7 mutation assay and use of this text to evaluate the efficiency of biodegradation treatments.
Frassinetti S, Barberio C, Caltavuturo L, Fava F, Di Gioia D. Frassinetti S, et al. Ecotoxicol Environ Saf. 2011 Mar;74(3):253-8. doi: 10.1016/j.ecoenv.2010.10.039. Epub 2010 Nov 18. Ecotoxicol Environ Saf. 2011. PMID: 21087794
Nonylphenol ethoxylates (NPnEOs, where n is the number of ethoxylic units in the molecule) are non-ionic surfactants widely used for domestic and industrial purposes. 4-Nonylphenol (4-NP), the main product of NPnEO biodegradation, is a toxic xenobiotic compound classified as e …
Nonylphenol ethoxylates (NPnEOs, where n is the number of ethoxylic units in the molecule) are non-ionic surfactants widely used for domesti …
Occurrence of nonylphenol, nonylphenol ethoxylate surfactants and nonylphenol carboxylic acids in wastewater in Japan.
Komori K, Okayasu Y, Yasojima M, Suzuki Y, Tanaka H. Komori K, et al. Water Sci Technol. 2006;53(11):27-33. doi: 10.2166/wst.2006.334. Water Sci Technol. 2006. PMID: 16862771
NPnEO are biodegraded to shorter ethoxylate (EO) chain NPnEO or nonylphenol carboxylates (NPnEC) under aerobic conditions, and then biodegraded to NP under anaerobic conditions. NP is one of the suspected endocrine disruptors (ED). Moreover, shorter EO chain NPnEO has grea …
NPnEO are biodegraded to shorter ethoxylate (EO) chain NPnEO or nonylphenol carboxylates (NPnEC) under aerobic conditions, and then biodegra …
Simultaneous determination of the free and total forms of nonylphenol, nonylphenol monoethoxylate, and nonylphenol diethoxylate in human urine by gas chromatography-mass spectrometry.
Shin C, Lee SM, Kim M, Kim YS. Shin C, et al. Anal Bioanal Chem. 2023 Nov;415(26):6583-6593. doi: 10.1007/s00216-023-04938-7. Epub 2023 Sep 15. Anal Bioanal Chem. 2023. PMID: 37712952
Nonylphenol (NP), nonylphenol monoethoxylate (NP1EO), and nonylphenol diethoxylate (NP2EO) are widely used in various daily products and have been cataloged as endocrine-disrupting chemicals. Due to their high lipophilicity and low biodegradability, these compounds remain …
Nonylphenol (NP), nonylphenol monoethoxylate (NP1EO), and nonylphenol diethoxylate (NP2EO) are widely used in various daily products and hav …
Accurate-mass identification of chlorinated and brominated products of 4-nonylphenol, nonylphenol dimers, and other endocrine disrupters.
Thurman EM. Thurman EM. J Mass Spectrom. 2006 Oct;41(10):1287-97. doi: 10.1002/jms.1097. J Mass Spectrom. 2006. PMID: 16981224
The products were produced by a simulated study of industrial cleaning procedures where 4-NP, nonylphenol ethoxylate (NPEO-1 and 2), and nonylphenol carboxylate (NPEC-1) were in contact with sodium hypochlorite solutions (with and without bromide) of various strengt …
The products were produced by a simulated study of industrial cleaning procedures where 4-NP, nonylphenol ethoxylate (NPEO-1 a …
37 results