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Author Spotlight: Optimizing Hollow-Fiber Membranes for Continuous Liquid-Liquid Extraction of Medium-Chain Fatty Acids
Published on: August 9, 2024
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Development of an integrated micro-millisystem for continuous laccase extraction.
Marko Božinović1, Ivan Karlo Cingesar1, Domagoj Vrsaljko1
1University of Zagreb Faculty of Chemical Engineering and Technology, Marulićev trg 19, HR-10000 Zagreb, Croatia.
Bioresource Technology
|January 25, 2025
Summary
This study enhances enzyme extraction using deep eutectic solvents (DES) in aqueous two-phase systems (ATPS). The optimized process efficiently extracts laccase for superior aniline dye degradation, promoting sustainable biocatalysis.
Area of Science:
- Biocatalysis and Environmental Chemistry
- Enzyme Technology and Green Chemistry
Background:
- Growing environmental concerns drive the shift from chemical processes to enzymatic alternatives.
- Laccases are versatile enzymes with significant potential for substrate oxidation and environmental applications.
- Deep eutectic solvents (DES) offer tunable properties for improved biocatalytic reaction media.
Purpose of the Study:
- To optimize deep eutectic solvent-based aqueous two-phase systems (DES-ATPS) for continuous laccase extraction.
- To enhance the efficiency of biocatalytic reactions using extracted laccase.
- To demonstrate the application of laccase in environmental remediation, specifically aniline dye degradation.
Main Methods:
- Optimization of DES-ATPS for laccase extraction in a batch system.
- Intensification of continuous laccase extraction using a microextractor setup.
- Integration of a milliseparator for efficient continuous phase separation.
- Application of extracted laccase as a co-solvent for aniline dye degradation.
Main Results:
- Successful continuous extraction of laccase from crude samples using optimized DES-ATPS.
- Significant increase in process efficiency through continuous extraction and phase separation.
- Demonstrated superior efficiency of extracted laccase in degrading aniline dyes.
- Validated the role of laccase as a co-solvent in enhancing biocatalytic degradation.
Conclusions:
- DES-ATPS provide an effective and efficient method for continuous enzyme extraction.
- Optimized laccase extraction advances enzyme recovery and application in biocatalysis.
- Laccase exhibits significant potential for sustainable environmental remediation, particularly dye degradation.

