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Immobilized laccase: an effective biocatalyst for industrial dye degradation from wastewater

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Abstract

Environmental concerns due to the release of industrial wastewater contaminated with dyes are becoming more and more intense with the increasing industrialization. Decolorization of industrial effluents has become the top priority due to the continuous demand for color-free discharge into the receiving water bodies. Different dye removal techniques have been developed, among which biodegradation by laccase enzyme is competitive. Laccase, as a green catalyst, has a high catalytic activity, generates less toxic by-products, and has been extensively researched in the field of remediation of dyes. However, laccase’s significant catalytic activity could only be achieved after an effective immobilization step. Immobilization helps strengthen and stabilize the protein structure of laccase, thus enhancing its functional properties. Additionally, the reusability of immobilized laccase makes it an attractive alternative to traditional dye degradation technologies and in the realistic applications of water treatment, compared with free laccase. This review has elucidated different methods and the carriers used to immobilize laccase. Furthermore, the role of immobilized laccase in dye remediation and the prospects have been discussed.

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Acknowledgements

The authors are thankful to Director Dr. Anjan Ray, CSIR-Indian Institute of Petroleum, for providing the necessary facilities to complete this work and for constant encouragement.

Funding

This work was supported by funding provided by CSIR-Indian Institute of Petroleum, Dehradun, India, MLP 1170, and research fellowship funding from the Department of Biotechnology (DBT), New Delhi, India to RSR.

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Sunil Kumar Suman and Deepshikha Pandey contributed to the study conception and design of the manuscript. Material preparation, data collection, and analysis were performed by Shifa Naseem and Raja Singh Rawal. The first draft of the manuscript was written by Shifa Naseem and Raja Singh Rawal. Deepshikha Pandey and Sunil Kumar Suman reviewed and corrected the previous version of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Sunil Kumar Suman.

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Naseem, S., Rawal, R.S., Pandey, D. et al. Immobilized laccase: an effective biocatalyst for industrial dye degradation from wastewater. Environ Sci Pollut Res 30, 84898–84917 (2023). https://doi.org/10.1007/s11356-023-28275-5

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  • DOI: https://doi.org/10.1007/s11356-023-28275-5

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