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Michaud M, Nonglaton G, Anxionnaz-Minvielle Z. Wall-Immobilized Biocatalyst vs. Packed Bed in Miniaturized Continuous Reactors: Performances and Scale-Up. Chembiochem 2024; 25:e202400086. [PMID: 38618870 DOI: 10.1002/cbic.202400086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/12/2024] [Accepted: 04/12/2024] [Indexed: 04/16/2024]
Abstract
Sustainable biocatalysis syntheses have gained considerable popularity over the years. However, further optimizations - notably to reduce costs - are required if the methods are to be successfully deployed in a range of areas. As part of this drive, various enzyme immobilization strategies have been studied, alongside process intensification from batch to continuous production. The flow bioreactor portfolio mainly ranges between packed bed reactors and wall-immobilized enzyme miniaturized reactors. Because of their simplicity, packed bed reactors are the most frequently encountered at lab-scale. However, at industrial scale, the growing pressure drop induced by the increase in equipment size hampers their implementation for some applications. Wall-immobilized miniaturized reactors require less pumping power, but a new problem arises due to their reduced enzyme-loading capacity. This review starts with a presentation of the current technology portfolio and a reminder of the metrics to be applied with flow bioreactors. Then, a benchmarking of the most recent relevant works is presented. The scale-up perspectives of the various options are presented in detail, highlighting key features of industrial requirements. One of the main objectives of this review is to clarify the strategies on which future study should center to maximize the performance of wall-immobilized enzyme reactors.
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Affiliation(s)
- Maïté Michaud
- Univ. Grenoble Alpes, CEA, LITEN, DTCH, Laboratoire Composants et Systèmes Thermiques (LCST), F-38000, Grenoble, France
| | - Guillaume Nonglaton
- Univ. Grenoble Alpes, CEA, LETI, DTIS, Plateforme de Recherche Intégration, fonctionnalisation de Surfaces et Microfabrication (PRISM), F-38000, Grenoble, France
| | - Zoé Anxionnaz-Minvielle
- Univ. Grenoble Alpes, CEA, LITEN, DTCH, Laboratoire Composants et Systèmes Thermiques (LCST), F-38000, Grenoble, France
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Oshima S, Oku Y, T Sriwong K, Kimura Y, Matsuda T. Immobilization of Thermoplasma acidophilum Glucose Dehydrogenase and Isocitrate Dehydrogenase Through Enzyme-Inorganic Hybrid Nanocrystal Formation. Curr Microbiol 2024; 81:67. [PMID: 38236425 PMCID: PMC10796475 DOI: 10.1007/s00284-023-03577-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/29/2023] [Indexed: 01/19/2024]
Abstract
The development of green catalysts, specifically biocatalysts, is crucial for building a sustainable society. To enhance the versatility of biocatalysts, the immobilization of enzymes plays a vital role as it improves their recyclability and robustness. As target enzymes to immobilize, glucose dehydrogenases and carboxylases are particularly important among various kinds of enzymes due to their involvement in two significant reactions: regeneration of the reduced form of coenzyme required for various reactions, and carboxylation reactions utilizing CO2 as a substrate, respectively. In this study, we immobilized Thermoplasma acidophilum glucose dehydrogenase (TaGDH) and T. acidophilum isocitrate dehydrogenase (TaIDH) using a previously reported method involving the formation of enzyme-inorganic hybrid nanocrystals, in the course of our continuing study focusing on carboxylation catalyzed by the free form of TaGDH and TaIDH. Subsequently, we investigated the properties of the resulting immobilized enzymes. Our results indicate the successful immobilization of TaGDH and TaIDH through the formation of hybrid nanocrystals utilizing Mn2+. The immobilization process enhanced TaIDH activity, up to 211%, while TaGDH retained 71% of its original activity. Notably, the immobilized TaGDH exhibited higher activity at temperatures exceeding 87 °C than the free TaGDH. Moreover, these immobilized enzymes could be recycled. Finally, we successfully utilized the immobilized enzymes for the carboxylation of 2-ketoglutaric acid under 1 MPa CO2. In conclusion, this study represents the first immobilization of TaGDH and TaIDH using the hybrid nanocrystal forming method. Furthermore, we achieved significant activity enhancement of TaIDH through immobilization and demonstrated the recyclability of the immobilized enzymes.
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Affiliation(s)
- Shusuke Oshima
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-Cho, Midori-Ku, Yokohama, 226-8501, Japan
| | - Yuri Oku
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-Cho, Midori-Ku, Yokohama, 226-8501, Japan
| | - Kotchakorn T Sriwong
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-Cho, Midori-Ku, Yokohama, 226-8501, Japan
- Department of Chemistry and California Institute for Quantitative Bioscience, University of California, Berkeley, Berkeley, California, 94720, USA
| | - Yutaro Kimura
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-Cho, Midori-Ku, Yokohama, 226-8501, Japan
| | - Tomoko Matsuda
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-Cho, Midori-Ku, Yokohama, 226-8501, Japan.
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Han L, Geng J, Wang Z, Hua J. Balancing
anti‐migration
and anti‐aging behavior of binary antioxidants for high‐performance 1,
2‐polybutadiene
rubber. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Long Han
- Key Laboratory of Rubber‐Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber‐Plastics, College of Polymer Science and Engineering Qingdao University of Science and Technology Qingdao China
| | - Jieting Geng
- Key Laboratory of Rubber‐Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber‐Plastics, College of Polymer Science and Engineering Qingdao University of Science and Technology Qingdao China
| | - Zhaobo Wang
- Key Laboratory of Rubber‐Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber‐Plastics, College of Polymer Science and Engineering Qingdao University of Science and Technology Qingdao China
| | - Jing Hua
- Key Laboratory of Rubber‐Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber‐Plastics, College of Polymer Science and Engineering Qingdao University of Science and Technology Qingdao China
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