The comparative study of a laccase-natural clinoptilolite-basedcatalyst activity and free laccase activity on model compounds (Articolo in rivista)

Type
Label
  • The comparative study of a laccase-natural clinoptilolite-basedcatalyst activity and free laccase activity on model compounds (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Alternative label
  • Enrica Donati, Chiara M. Polcaro, Piero Ciccioli, Emanuela Galli (2015)
    The comparative study of a laccase-natural clinoptilolite-basedcatalyst activity and free laccase activity on model compounds
    in Journal of hazardous materials (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Enrica Donati, Chiara M. Polcaro, Piero Ciccioli, Emanuela Galli (literal)
Pagina inizio
  • 83 (literal)
Pagina fine
  • 90 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 289 (literal)
Rivista
Note
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Enrica Donati, Chiara M. Polcaro, Piero Ciccioli IMC - CNR Emanuela Galli IBAF - CNR (literal)
Titolo
  • The comparative study of a laccase-natural clinoptilolite-basedcatalyst activity and free laccase activity on model compounds (literal)
Abstract
  • For the first time a laccase from Trametes versicolor was immobilized on a natural clinoptilolite with Si/Al=5 to obtain a biocatalyst for environmental applications. Immobilization procedures exploiting adsorption and covalent binding were both tested, and only the last provided enough activity for practical applications. The optimal conditions for the immobilization of the enzyme on the support and the kinetic parameters for the free and covalent bonded laccase were determined. The laccase bonded to the zeolitic support showed a lower activity than the free laccase, but the pH and thermal stability were greater. 20 mg of dry biocatalyst containing 1 U of laccase were able to remove in 50 hours 73 to 78% of 2-chlorophenol and 2,4-dichlorophenol in relatively concentrated aqueous solutions (0.1 mMol L-1). (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it