Functionalized Tyrosinase-Lignin Nanoparticles as Sustainable Catalysts for the Oxidation of Phenols

被引：41

作者：

Capecchi, Eliana ^{[1
]}

Piccinino, Davide ^{[1
]}

Delfino, Ines ^{[1
]}

Bollella, Paolo ^{[2
]}

Antiochia, Riccarda ^{[2
]}

Saladino, Raffaele ^{[1
]}

机构：

[1] Univ Tuscia, Dept Biol & Ecol Sci, Via S Camillo de Lellis Snc, I-01100 Viterbo, Italy

[2] Sapienza Univ Rome, Dept Chem & Drug Technol, Ple Aldo Moro 5, I-00185 Rome, Italy

来源：

NANOMATERIALS | 2018年 / 8卷 / 06期

关键词：

lignin nanoparticles; tyrosinase; sustainable catalyst; oxidation of phenols; CARBON NANOTUBES; ANTIOXIDANT ACTIVITY; SELECTIVE SYNTHESIS; BIOSENSOR; EFFICIENT; CATECHOLS; DOPA; PEPTIDOMIMETICS; HYDROXYTYROSOL; IMMOBILIZATION;

D O I：

10.3390/nano8060438

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sustainable catalysts for the oxidation of phenol derivatives under environmentally friendly conditions were prepared by the functionalization of lignin nanoparticles with tyrosinase. Lignin, the most abundant polyphenol in nature, is the main byproduct in the pulp and paper manufacturing industry and biorefinery. Tyrosinase has been immobilized by direct adsorption, encapsulation, and layer-by-layer deposition, with or without glutaraldehyde reticulation. Lignin nanoparticles were found to be stable to the tyrosinase activity. After the enzyme immobilization, they showed a moderate to high catalytic effect in the synthesis of catechol derivatives, with the efficacy of the catalyst being dependent on the specific immobilization procedures.

引用

页数：17

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