A novel and efficient oxidative functionalization of lignin by layer-by-layer immobilised Horseradish peroxidase
Author(s)
Perazzini, Raffaella
Saladino, Raffaele
Guazzaroni, Melissa
Crestini, Claudia
Date Issued
2011
Type
Article
Abstract
Horseradish peroxidase (HRP) was chemically immobilised onto alumina particles and coated by polyelectrolytes layers, using the layer-by-layer technique. The reactivity of the immobilised enzyme was studied in the oxidative functionalisation of softwood milled wood and residual kraft lignins and found higher than the free enzyme. In order to investigate the chemical modifications in the lignin structure, quantitative 31P NMR was used. The immobilised HRP showed a higher reactivity with respect to the native enzyme yielding extensive depolymerisation of lignin.
Additional information
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Citation
Perazzini R. et al. 2011. A novel and efficient oxidative functionalization of lignin by layer-by-layer immobilised Horseradish peroxidase. "Bioorganic and Medicinal Chemistry" 19(1): 440-447
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