Exclusive Papers of the Editorial Board Members and Topical Advisory Panel Members of Catalysts in Section "Biocatalysis"

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Biocatalysis".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 4726

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Guest Editor
Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytech Str, Zografou Campus, 15780 Athens, Greece
Interests: biocatalysis; industrial biotechnology; lignocellulose degrading enzymes; novel enzymes; structure-function relationship
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Special Issue Information

Dear Colleagues,

This Special Issue for the section “Biocatalysis” of Catalysts is dedicated to recent advances in the cross-disciplinary field of biotechnology and comprises a diverse selection of exclusive papers by the Editorial Board Members (EBMs) and Topical Advisory Panel Members (TAPMs) of the journal. It focuses on highlighting recent interesting investigations conducted in the laboratories of our section’s EBMs and TAPMs. It also represents our journal as an attractive open access publishing platform for research data in the cross-disciplinary field of biotechnology.

Dr. Evangelos Topakas
Guest Editor

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Keywords

  • biocatalyst immobilization
  • biocatalytic cascade reactions
  • bioelectrochemistry
  • biotransformations
  • cell factory
  • chemo-biocatalytic processes
  • computational biocatalysis
  • design of biocatalytic processes
  • environmental biocatalysis
  • enzymatic polymerization and polymer modification
  • enzyme formulation
  • flow biocatalysis
  • industrial biocatalysis
  • metabolic engineering
  • novel enzymes
  • protein engineering
  • reaction engineering in biocatalytic systems

Published Papers (3 papers)

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Research

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12 pages, 5195 KiB  
Article
Preparation of Ordered Macroporous ZIF-8-Derived Magnetic Carbon Materials and Its Application for Lipase Immobilization
by Yongheng Shi, Hao Zhou, Lingmei Dai, Dehua Liu and Wei Du
Catalysts 2024, 14(1), 55; https://doi.org/10.3390/catal14010055 - 12 Jan 2024
Viewed by 854
Abstract
Metal–organic framework materials (MOFs) and their derivatives are considered ideal immobilization carrier materials because of their large specific surface area, high porosity and excellent structural designability. Among them, ZIF-8 has great potential for immobilization of enzymes due to mild synthesis conditions, and good [...] Read more.
Metal–organic framework materials (MOFs) and their derivatives are considered ideal immobilization carrier materials because of their large specific surface area, high porosity and excellent structural designability. Among them, ZIF-8 has great potential for immobilization of enzymes due to mild synthesis conditions, and good biocompatibility. However, conventional ZIF-8 crystals have poor separation and recovery efficiency due to their small pore size and poor acid stability, greatly limiting their application in enzyme immobilization and further application. Although the carbonization of ZIF-8 by pyrolysis has been shown to be one of the approaches that can enhance its chemical stability, this still does not effectively solve the problem of the difficulty of recycling. Herein, we developed a strategy of pre-carbonization immersion (immersion in aqueous FeSO4 solution before carbonization) to synthesize ordered macroporous ZIF-8-derived carbon materials with stable ferromagnetism (denoted as CZ-x-M-y, where x denotes the carbonization temperature and y denotes the concentration of the impregnated FeSO4 solution) and used them to immobilize lipases for biodiesel production. XRD analysis showed that the magnetic properties in the materials came from Fe3C species. We found that the magnetic carbon materials obtained by carbonization at 600 °C showed the best immobilization effect, where CZ-600-M-0.3 (using 0.3 mol·L−1 FeSO4 aqueous solution to soak ZIF-8 and carbonized at 600 °C) had the highest enzyme loading of 183.04 mg·g−1, which was 49.7% higher than that of the non-magnetic CZ-600. In addition, CZ-600-M-0.5 maintained the highest enzyme activity, which was 81.9% of the initial activity, after five batches of reuse. The stable magnetic support materials reported in this study have promising potential for the industrial application of immobilized lipase. Full article
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Review

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28 pages, 7972 KiB  
Review
Enzymatic Glycosylation Strategies in the Production of Bioactive Compounds
by Alicia Andreu, Marija Ćorović, Carla Garcia-Sanz, A. Sofia Santos, Ana Milivojević, Clara Ortega-Nieto, Cesar Mateo, Dejan Bezbradica and Jose M. Palomo
Catalysts 2023, 13(10), 1359; https://doi.org/10.3390/catal13101359 - 11 Oct 2023
Cited by 2 | Viewed by 1674
Abstract
Enzymatic glycosylation is a versatile and sustainable biotechnological approach that plays a pivotal role in the production of bioactive compounds. This process involves the enzymatic transfer of sugar moieties onto various acceptor molecules, such as small molecules, peptides, or proteins, resulting in the [...] Read more.
Enzymatic glycosylation is a versatile and sustainable biotechnological approach that plays a pivotal role in the production of bioactive compounds. This process involves the enzymatic transfer of sugar moieties onto various acceptor molecules, such as small molecules, peptides, or proteins, resulting in the synthesis of glycosides. These glycosides often exhibit enhanced bioactivity, improved solubility, and enhanced stability, making them valuable in pharmaceuticals, nutraceuticals, and the food industry. This review explores the diverse enzymatic glycosylation strategies employed in the synthesis of bioactive compounds. It highlights the enzymatic catalysts involved, including glycosyltransferases, glycosidases, glycophosphorylases, and glycosynthases. It considers the advantages and disadvantages of these biocatalysts in the stereoselective and regioselective synthesis of different types of glycosylated molecules, phenolic and aliphatic alcohols, oligosaccharides, polysaccharides, glycoderivatives, glycopeptides, and glycoproteins with a clear focus on food and pharmaceutical chemistry. Furthermore, the review outlines various sources of sugar donors, activated glycosides, and sugar nucleotides, as well as the utilization of engineered enzymes and microorganisms for glycosylation reactions. The advantages of enzymatic glycosylation, including its high regioselectivity, stereoselectivity, and sustainability, are emphasized. Therefore, these approaches combining the use of different catalytic systems, the improvement of tools such as immobilization technology or chemical or genetic modification to improve the glycosylation process, could be useful tools in continuous biotechnological advancements. Full article
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26 pages, 921 KiB  
Review
Removal of Taste and Odor Compounds from Water: Methods, Mechanism and Prospects
by Feng Wang, Xiaohui Li, Tingting Liu, Xiang Li, Yi Cui, Ling Xu, Shuhao Huo, Bin Zou, Jingya Qian, Anzhou Ma and Guoqiang Zhuang
Catalysts 2023, 13(10), 1356; https://doi.org/10.3390/catal13101356 - 10 Oct 2023
Cited by 1 | Viewed by 1828
Abstract
In recent years, taste and odor (T&O) compounds in drinking water are becoming a serious problem, which has brought many challenges to drinking water treatment plants. Due to global concerns about the emergence of T&O compounds, researchers have proposed various water treatment technologies [...] Read more.
In recent years, taste and odor (T&O) compounds in drinking water are becoming a serious problem, which has brought many challenges to drinking water treatment plants. Due to global concerns about the emergence of T&O compounds, researchers have proposed various water treatment technologies to ensure the quality of drinking water. In this paper, abiotic and biotic methods for the treatment of T&O compounds are reviewed, including process parameters, advantages and disadvantages, removal efficiency and mechanism. Geosmin (GSM) and 2-methylisoborneol (2-MIB) are the most common odorous substances with earthy and musty smells. The chemical and biological methods for the possible degradation pathways of these two compounds are summarized. Furthermore, suggestions and approaches are provided for efficient and safe strategies for T&O compound treatments and their future applications. Full article
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