Journal
AMB EXPRESS
Volume 8, Issue -, Pages -Publisher
SPRINGEROPEN
DOI: 10.1186/s13568-018-0665-5
Keywords
Laccase; Polyethylene glycol; Immobilization; PEGylation; Polymerization
Categories
Funding
- Chinese Government Scholarship
- European Regional Development Fund
- Portuguese Foundation for Science and Technology (FCT)
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Laccases have been reported for their ability to eliminate hazardous phenolic compounds by oxidative polymerization. The exploitation of the oxidative behavior of different laccase forms, namely free/native, free/PEGylated, immobilized/native and immobilized/PEGylated, was assessed in this study. We found that PEGylated and immobilized laccase forms have differentiated catalytic behavior revealing distinct conversion rates and differentiated poly(catechol) chains, as confirmed by UV-Visible spectroscopy, by the total content of OH groups and by MALDI-TOF spectroscopy. The synergy underlying on the immobilized/PEGylated enzyme forms reveal to be responsible for the highest conversion rates and for the longer polymers produced.
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