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      Enzymatic extract containing lignin peroxidase immobilized on carbon nanotubes: Potential biocatalyst in dye decolourization

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          Abstract

          The majority of the textile dyes are harmful to the environment and potentially carcinogenic. Among strategies for their exclusion, the treatment of dye contaminated wastewater with fungal extract, containing lignin peroxidase (LiP), may be useful. Two fungi isolates, Pleurotus ostreatus (PLO9) and Ganoderma lucidum (GRM117), produced the enzymatic extract by fermentation in the lignocellulosic residue, Jatropha curcas seed cake. The extracts from PLO9 and GRM117 were immobilized on carbon nanotubes and showed an increase of 18 and 27-fold of LiP specific activity compared to the free enzyme. Also, LiP from both fungi extracts showed higher Vmax and lower Km values. Only the immobilized extracts could be efficiently reused in the dye decolourization, contrary, the carbon nanotubes became saturated and they should be discarded over time. This device may offer a final biocatalyst with higher catalytic efficiency and capability to be reused in the dye decolourization process.

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          Lignin-Degrading Enzyme from the Hymenomycete Phanerochaete chrysosporium Burds.

          M. Chrétien, K. Kirk Shung (1983)
          The extracellular fluid of ligninolytic cultures of the wood-decomposing basidiomycete Phanerochaete chrysosporium Burds. contains an enzyme that degrades lignin substructure model compounds as well as spruce and birch lignins. It has a molecular size of 42,000 daltons and requires hydrogen peroxide for activity.
          Article 0 comments Cited 150 times – based on 0 reviews     Review now
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            Carbon Nanotubes: A Review on Structure and Their Interaction with Proteins

            N. Saifuddin, A. Z. Raziah, A. R. Junizah (2013)
            Carbon nanotubes (CNTs) are allotropes of carbon with a nanostructure that can have a length-to-diameter ratio greater than 1,000,000. Techniques have been developed to produce nanotubes in sizeable quantities, including arc discharge, laser ablation, and chemical vapor deposition. Developments in the past few years have illustrated the potentially revolutionizing impact of nanomaterials, especially in biomedical imaging, drug delivery, biosensing, and the design of functional nanocomposites. Methods to effectively interface proteins with nanomaterials for realizing these applications continue to evolve. The high surface-to-volume ratio offered by nanoparticles resulted in the concentration of the immobilized entity being considerably higher than that afforded by other materials. There has also been an increasing interest in understanding the influence of nanomaterials on the structure and function of proteins. Various immobilization methods have been developed, and in particular, specific attachment of enzymes on carbon nanotubes has been an important focus of attention. With the growing attention paid to cascade enzymatic reaction, it is possible that multienzyme coimmobilization would be one of the next goals in the future. In this paper, we focus on advances in methodology for enzyme immobilization on carbon nanotubes.
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              Enzymes immobilized on carbon nanotubes.

              Wei Hong Feng, Peijun Ji (2011)
              Enzyme immobilizations on carbon nanotubes for fabrication of biosensors and biofuel cells and for preparation of biocatalysts are rapidly emerging as new research areas. Various immobilization methods have been developed, and in particular, specific attachment of enzymes on carbon nanotubes has been an important focus of attention. The method of immobilization has an effect on the preservation of the enzyme structure and retention of the native biological function of the enzyme. In this review, we focus on recent advances in methodology for enzyme immobilization on carbon nanotubes. Copyright © 2011 Elsevier Inc. All rights reserved.
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                Author and article information

                Contributors
                Maria Catarina Megumi Kasuya
                Journal
                Journal ID (nlm-ta): Saudi J Biol Sci
                Journal ID (iso-abbrev): Saudi J Biol Sci
                Title: Saudi Journal of Biological Sciences
                Publisher: Elsevier
                ISSN (Print): 1319-562X
                ISSN (Electronic): 2213-7106
                Publication date PMC-release: 10 March 2016
                Publication date (Print): May 2018
                Publication date (Electronic): 10 March 2016
                Volume: 25
                Issue: 4
                Pages: 651-659
                Affiliations
                [a ]Department of Microbiology, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627 – Pampulha, 31270-901 Belo Horizonte, Minas Gerais, Brazil
                [b ]Department of Microbiology, Universidade Federal de Viçosa, Av. Peter Henry Rolfs, s/n° – Campus Universitário, Viçosa, Minas Gerais, Brazil
                Author notes
                [* ]Corresponding author at: Av. P. H. Rolfs, s/n, Campus UFV, Viçosa, Minas Gerais 36570-000, Brazil. Tel.: +55 31 3899 2970; fax: +55 31 3899 2573. mkasuya@ 123456ufv.br
                Article
                Publisher ID: S1319-562X(16)00065-6
                DOI: 10.1016/j.sjbs.2016.02.018
                PMC ID: 5936880
                PubMed ID: 29740229
                SO-VID: 29e19a15-de9a-470b-bae4-ecd64d0d9d2a
                Copyright © © 2016 The Authors
                License:

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                Date received : 29 October 2015
                Date revision received : 22 January 2016
                Date accepted : 11 February 2016
                Categories
                Subject: Article

                Keywords: lignocellulosic residue,solid state fermentation,immobilization,fungi
                Data availability:
                Keywords: lignocellulosic residue, solid state fermentation, immobilization, fungi

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