2019
DOI: 10.3390/catal9040368
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Laccase-Catalyzed Oxidation of Mixed Aqueous Phenolic Substrates at Low Concentrations

Abstract: It has been proposed that Trametes versicolor laccase can be used to detoxify wastewaters that are contaminated with phenolic pollutants. However, the oxidation of phenols at low concentrations may be impacted if other substrates tend to interfere with or enhance the oxidation of the target substrate. To test this, experiments were conducted to evaluate effects arising from the simultaneous presence of mixed substrates including phenol (P), estradiol (E2), cumylphenol (CP), and triclosan (TCL), each of which a… Show more

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Cited by 7 publications
(2 citation statements)
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“…During the laccase-mediated oxidation and humification coupling of steroidal estrogens, PAs can compete with estrogens as the reactive substrates for T1-Cu site through producing oxidative quinone and self/cross-oligomers, and thus affect the humification coupling rates. The polymerized products of steroidal estrogens can also impede the oxidation efficiency of the target pollutants by acting as secondary substrates of laccase (Rangelov and Nicell, 2019). Hence, considering the effects of various phenolic acids on conversion kinetics and polymerization of steroidal estrogens during laccase-triggered humification processes.…”
Section: U N C O R R E C T E D P R O O Fmentioning
confidence: 99%
“…During the laccase-mediated oxidation and humification coupling of steroidal estrogens, PAs can compete with estrogens as the reactive substrates for T1-Cu site through producing oxidative quinone and self/cross-oligomers, and thus affect the humification coupling rates. The polymerized products of steroidal estrogens can also impede the oxidation efficiency of the target pollutants by acting as secondary substrates of laccase (Rangelov and Nicell, 2019). Hence, considering the effects of various phenolic acids on conversion kinetics and polymerization of steroidal estrogens during laccase-triggered humification processes.…”
Section: U N C O R R E C T E D P R O O Fmentioning
confidence: 99%
“…The laccase activity, which catalyzes the transformation of aromatic and non-aromatic substrates with the reduction of molecular oxygen to water, deserves attention. Apart from lignin degradation, differentiation, and fruiting body formation in fungi, laccases are involved in processes such as the adhesion of phytopathogens to host plant cells, organic residue humification, and xenobiotic detoxification (Rivera-Hoyos et al, 2013;Rangelov & Nicell, 2019;Ben Younes et al, 2019).…”
Section: Discussionmentioning
confidence: 99%