Immobilization of a Pleurotus ostreatus Laccase Mixture on Perlite and Its Application to Dye Decolourisation
Joint Authors
Marzocchella, Antonio
Salatino, Piero
Russo, Maria Elena
Pezzella, Cinzia
Sannia, Giovanni
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-05-08
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
In the present study, a crude laccase preparation from Pleurotus ostreatus was successfully immobilized on perlite, a cheap porous silica material, and tested for Remazol Brilliant Blue R (RBBR) decolourisation in a fluidized bed recycle reactor.
Results showed that RBBR decolourisation is mainly due to enzyme action despite the occurrence of dye adsorption-related enzyme inhibition.
Fine tuning of immobilization conditions allowed balancing the immobilization yield and the resulting rate of decolourisation, with the adsorption capacity of the solid biocatalyst.
In the continuous lab scale reactor, a maximum conversion degree of 56.1% was achieved at reactor space-time of 4.2 h.
Stability and catalytic parameters of the immobilized laccases were also assessed in comparison with the soluble counterparts, revealing an increase in stability, despite a reduction of the catalytic performances.
Both effects are most likely ascribable to the occurrence of multipoint attachment phenomena.
American Psychological Association (APA)
Pezzella, Cinzia& Russo, Maria Elena& Marzocchella, Antonio& Salatino, Piero& Sannia, Giovanni. 2014. Immobilization of a Pleurotus ostreatus Laccase Mixture on Perlite and Its Application to Dye Decolourisation. BioMed Research International،Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-462288
Modern Language Association (MLA)
Pezzella, Cinzia…[et al.]. Immobilization of a Pleurotus ostreatus Laccase Mixture on Perlite and Its Application to Dye Decolourisation. BioMed Research International No. 2014 (2014), pp.1-11.
https://search.emarefa.net/detail/BIM-462288
American Medical Association (AMA)
Pezzella, Cinzia& Russo, Maria Elena& Marzocchella, Antonio& Salatino, Piero& Sannia, Giovanni. Immobilization of a Pleurotus ostreatus Laccase Mixture on Perlite and Its Application to Dye Decolourisation. BioMed Research International. 2014. Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-462288
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-462288