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Ghéczy N, Tao S, Pour-Esmaeil S, Szymańska K, Jarzębski AB, Walde P. Performance of a Flow-Through Enzyme Reactor Prepared from a Silica Monolith and an α-Poly(D-Lysine)-Enzyme Conjugate. Macromol Biosci 2023; 23:e2200465. [PMID: 36598452 DOI: 10.1002/mabi.202200465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/26/2022] [Indexed: 01/05/2023]
Abstract
Horseradish peroxidase (HRP) is covalently bound in aqueous solution to polycationic α-poly(D-lysine) chains of ≈1000 repeating units length, PDL, via a bis-aryl hydrazone bond (BAH). Under the experimental conditions used, about 15 HRP molecules are bound along the PDL chain. The purified PDL-BAH-HRP conjugate is very stable when stored at micromolar HRP concentration in a pH 7.2 phosphate buffer solution at 4 °C. When a defined volume of such a conjugate solution of desired HRP concentration (i.e., HRP activity) is added to a macro- and mesoporous silica monolith with pore sizes of 20-30 µm as well as below 30 nm, quantitative and stable noncovalent conjugate immobilization is achieved. The HRP-containing monolith can be used as flow-through enzyme reactor for bioanalytical applications at neutral or slightly alkaline pH, as demonstrated for the determination of hydrogen peroxide in diluted honey. The conjugate can be detached from the monolith by simple enzyme reactor washing with an aqueous solution of pH 5.0, enabling reloading with fresh conjugate solution at pH 7.2. Compared to previously investigated polycationic dendronized polymer-enzyme conjugates with approximately the same average polymer chain length, the PDL-BAH-HRP conjugate appears to be equally suitable for HRP immobilization on silica surfaces.
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Affiliation(s)
- Nicolas Ghéczy
- Laboratory for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich, CH-8093, Switzerland
| | - Siyuan Tao
- Laboratory for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich, CH-8093, Switzerland
| | - Sajad Pour-Esmaeil
- Laboratory for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich, CH-8093, Switzerland
| | - Katarzyna Szymańska
- Department of Chemical Engineering and Process Design, Silesian University of Technology, Gliwice, 44-100, Poland
| | - Andrzej B Jarzębski
- Institute of Chemical Engineering, Polish Academy of Sciences, Gliwice, 44-100, Poland
| | - Peter Walde
- Laboratory for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich, CH-8093, Switzerland
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Ghéczy N, Xu W, Szymańska K, Jarzębski AB, Walde P. Controllable Enzyme Immobilization via Simple and Quantitative Adsorption of Dendronized Polymer-Enzyme Conjugates Inside a Silica Monolith for Enzymatic Flow-Through Reactor Applications. ACS OMEGA 2022; 7:26610-26631. [PMID: 35936452 PMCID: PMC9352229 DOI: 10.1021/acsomega.2c02815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
Although many different methods are known for the immobilization of enzymes on solid supports for use in flow-through applications as enzyme reactors, the reproducible immobilization of predetermined amounts of catalytically active enzyme molecules remains challenging. This challenge was tackled using a macro- and mesoporous silica monolith as a support and dendronized polymer-enzyme conjugates. The conjugates were first prepared in an aqueous solution by covalently linking enzyme molecules and either horseradish peroxidase (HRP) or bovine carbonic anhydrase (BCA) along the chains of a water-soluble second-generation dendronized polymer using an established procedure. The obtained conjugates are stable biohybrid structures in which the linking unit between the dendronized polymer and each enzyme molecule is a bisaryl hydrazone (BAH) bond. Quantitative and reproducible enzyme immobilization inside the monolith is possible by simply adding a defined volume of a conjugate solution of a defined enzyme concentration to a dry monolith piece of the desired size. In that way, (i) the entire volume of the conjugate solution is taken up by the monolith piece due to capillary forces and (ii) all conjugates of the added conjugate solution remain stably adsorbed (immobilized) noncovalently without detectable leakage from the monolith piece. The observed flow-through activity of the resulting enzyme reactors was directly proportional to the amount of conjugate used for the reactor preparation. With conjugate solutions consisting of defined amounts of both types of conjugates, the controlled coimmobilization of the two enzymes, namely, BCA and HRP, was shown to be possible in a simple way. Different stability tests of the enzyme reactors were carried out. Finally, the enzyme reactors were applied to the catalysis of a two-enzyme cascade reaction in two types of enzymatic flow-through reactor systems with either coimmobilized or sequentially immobilized BCA and HRP. Depending on the composition of the substrate solution that was pumped through the two types of enzyme reactor systems, the coimmobilized enzymes performed significantly better than the sequentially immobilized ones. This difference, however, is not due to a molecular proximity effect with regard to the enzymes but rather originates from the kinetic features of the cascade reaction used. Overall, the method developed for the controllable and reproducible immobilization of enzymes in the macro- and mesoporous silica monolith offers many possibilities for systematic investigations of immobilized enzymes in enzymatic flow-through reactors, potentially for any type of enzyme.
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Affiliation(s)
- Nicolas Ghéczy
- Laboratory
for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
| | - Weina Xu
- Laboratory
for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
| | - Katarzyna Szymańska
- Department
of Chemical Engineering and Process Design, Silesian University of Technology, Księdza Marcina Strzody 7, Gliwice 44-100, Poland
| | - Andrzej B. Jarzębski
- Institute
of Chemical Engineering, Polish Academy
of Sciences, Baltycka 5, Gliwice 44-100, Poland
| | - Peter Walde
- Laboratory
for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
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Sebai W, Ahmad S, Belleville MP, Boccheciampe A, Chaurand P, Levard C, Brun N, Galarneau A, Sanchez-Marcano J. Biocatalytic Elimination of Pharmaceutics Found in Water With Hierarchical Silica Monoliths in Continuous Flow. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.823877] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Pharmaceutical products (PPs) are considered as emerging micropollutans in wastewaters, river and seawaters, and sediments. The biodegradation of PPs, such as ciprofloxacin, amoxicillin, sulfamethoxazole, and tetracycline by enzymes in aqueous solution was investigated. Laccase from Trametes versicolor was immobilized on silica monoliths with hierarchical meso-/macropores. Different methods of enzyme immobilization were experienced. The most efficient process was the enzyme covalent bonding through glutaraldehyde coupling on amino-grafted silica monoliths. Silica monoliths with different macropore and mesopore diameters were studied. The best support was the monolith featuring the largest macropore diameter (20 µm) leading to the highest permeability and the lowest pressure drop and the largest mesopore diameter (20 nm) ensuring high enzyme accessibility. The optimized enzymatic reactor (150 mg) was used for the degradation of a PP mixture (20 ppm each in 30 ml) in a continuous recycling configuration at a flow rate of 1 ml/min. The PP elimination efficiency after 24 h was as high as 100% for amoxicillin, 60% for sulfamethoxazole, 55% for tetracycline, and 30% for ciprofloxacin.
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Szymańska K, Ciemięga A, Maresz K, Pudło W, Malinowski J, Mrowiec-Białoń J, Jarzębski AB. Catalytic Functionalized Structured Monolithic Micro-/Mesoreactors: Engineering, Properties, and Performance in Flow Synthesis: An Overview and Guidelines. FRONTIERS IN CHEMICAL ENGINEERING 2021. [DOI: 10.3389/fceng.2021.789102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In this review article, we first discussed the development of silica monoliths with hierarchical macro-/mesopore structure and their potential figures of merit as continuous-flow micro-/mesoreactors of up to 30 ml working volume. Making use of the flow hindrance of different pore structures seen from the Darcy law perspective, we discriminated four structures of the monoliths (M1–M4). We then summarized the most important results, mainly from our studies of continuous-flow structured monolithic reactors and rotating bed reactors (RBRs) filled with structured pellets, activated with various catalytic entities and enzymes. The results show that an increase in the flow rate and thus velocity in reactors activated with more conventional catalytic sites has no or a minor positive effect on the apparent reaction rate. On the contrary, in those with the most open structure (M1) and functionalized with enzymes, it could increase by more than two orders of magnitude even at low overpressures. The production systems worked stably for at least 200 h. To conclude, the synthetic system made of the hierarchically structured monoliths, or RBRs filled with structured catalytic pellets, lay the foundation for a new platform for the high-yield production of a wide variety of specialty chemicals, even on a multikilogram scale, in a safe and sustained manner.
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Biocatalysis in Continuous-Flow Microfluidic Reactors. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2021; 179:211-246. [DOI: 10.1007/10_2020_160] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Salvi HM, Yadav GD. Process intensification using immobilized enzymes for the development of white biotechnology. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00020a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Process intensification of biocatalysed reactions using different techniques such as microwaves, ultrasound, hydrodynamic cavitation, ionic liquids, microreactors and flow chemistry in various industries is critically analysed and future directions provided.
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Affiliation(s)
- Harshada M. Salvi
- Department of Chemical Engineering
- Institute of Chemical Technology
- Mumbai-400019
- India
| | - Ganapati D. Yadav
- Department of Chemical Engineering
- Institute of Chemical Technology
- Mumbai-400019
- India
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Gal CA, Barabás LE, Bartha Vári JH, Moisă ME, Balogh-Weiser D, Bencze LC, Poppe L, Paizs C, Toșa MI. Lipase on carbon nanotubes – an active, selective, stable and easy-to-optimize nanobiocatalyst for kinetic resolutions. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00342a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
An efficient biocatalyst was obtained by covalent immobilization of lipase B from C. antarctica on functionalized SwCNTs for the kinetic resolution of some aryl-ethanols in batch and continuous-flow modes.
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Affiliation(s)
- Cristian Andrei Gal
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Laura Edit Barabás
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Judith-Hajnal Bartha Vári
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Mădălina Elena Moisă
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Diana Balogh-Weiser
- Budapest University of Technology and Economics, Department of Organic Chemistry and Technology, Műegyetem rkp. 3. Budapest, H-1111, Hungary
- Budapest University of Technology and Economics, Department of Physical Chemistry and Materials Science, Műegyetem rkp. 3. Budapest, H-1111, Hungary
| | - László Csaba Bencze
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - László Poppe
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
- Budapest University of Technology and Economics, Department of Organic Chemistry and Technology, Műegyetem rkp. 3. Budapest, H-1111, Hungary
| | - Csaba Paizs
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Monica Ioana Toșa
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
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8
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Enzyme immobilization on functionalized monolithic CNTs-Ni foam composite for highly active and stable biocatalysis in organic solvent. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2019.110714] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Zhu Y, Chen Q, Shao L, Jia Y, Zhang X. Microfluidic immobilized enzyme reactors for continuous biocatalysis. REACT CHEM ENG 2020. [DOI: 10.1039/c9re00217k] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
This review investigates strategies for employing μ-IMERs for continuous biocatalysis via a top-down approach.
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Affiliation(s)
- Yujiao Zhu
- Department of Applied Physics
- The Hong Kong Polytechnic University
- Hong Kong
- China
- The Hong Kong Polytechnic University Shenzhen Research Institute
| | - Qingming Chen
- Department of Applied Physics
- The Hong Kong Polytechnic University
- Hong Kong
- China
- The Hong Kong Polytechnic University Shenzhen Research Institute
| | - Liyang Shao
- Department of Electrical and Electronic Engineering
- Southern University of Science and Technology
- Shenzhen
- China
| | - Yanwei Jia
- State Key Laboratory of Analog and Mixed Signal VLSI
- Institute of Microelectronics
- University of Macau
- Macau
- China
| | - Xuming Zhang
- Department of Applied Physics
- The Hong Kong Polytechnic University
- Hong Kong
- China
- The Hong Kong Polytechnic University Shenzhen Research Institute
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10
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Salva ML, Temiz Y, Rocca M, Arango YC, Niemeyer CM, Delamarche E. Programmable hydraulic resistor for microfluidic chips using electrogate arrays. Sci Rep 2019; 9:17242. [PMID: 31754240 PMCID: PMC6872553 DOI: 10.1038/s41598-019-53885-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 10/27/2019] [Indexed: 12/16/2022] Open
Abstract
Flow rates play an important role in microfluidic devices because they affect the transport of chemicals and determine where and when (bio)chemical reactions occur in these devices. Flow rates can conveniently be determined using external peripherals in active microfluidics. However, setting specific flow rates in passive microfluidics is a significant challenge because they are encoded on a design and fabrication level, leaving little freedom to users for adjusting flow rates for specific applications. Here, we present a programmable hydraulic resistor where an array of "electrogates" routes an incoming liquid through a set of resistors to modulate flow rates in microfluidic chips post-fabrication. This approach combines a battery-powered peripheral device with passive capillary-driven microfluidic chips for advanced flow rate control and measurement. We specifically show a programmable hydraulic resistor composed of 7 parallel resistors and 14 electrogates. A peripheral and smartphone application allow a user to activate selected electrogates and resistors, providing 127 (27-1) flow resistance combinations with values spanning on a 500 fold range. The electrogates feature a capillary pinning site (i.e. trench across the flow path) to stop a solution and an electrode, which can be activated in a few ms using a 3 V bias to resume flow based on electrowetting. The hydraulic resistor and microfluidic chip shown here enable flow rates from ~0.09 nL.s-1 up to ~5.66 nL.s-1 with the resistor occupying a footprint of only 15.8 mm2 on a 1 × 2 cm2 microfluidic chip fabricated in silicon. We illustrate how a programmable hydraulic resistor can be used to set flow rate conditions for laminar co-flow of 2 liquids and the enzymatic conversion of a substrate by stationary enzymes (alkaline phosphatase) downstream of the programmable hydraulic resistor.
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Affiliation(s)
- Marie L Salva
- IBM Research - Zurich, Säumerstrasse 4, 8803, Rüschlikon, Switzerland
- Karlsruhe Institute of Technology (KIT) - Institute for Biological Interfaces (IBG-1), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Yuksel Temiz
- IBM Research - Zurich, Säumerstrasse 4, 8803, Rüschlikon, Switzerland
| | - Marco Rocca
- Karlsruhe Institute of Technology (KIT) - Institute for Biological Interfaces (IBG-1), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Yulieth C Arango
- IBM Research - Zurich, Säumerstrasse 4, 8803, Rüschlikon, Switzerland
| | - Christof M Niemeyer
- Karlsruhe Institute of Technology (KIT) - Institute for Biological Interfaces (IBG-1), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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11
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Mestrom L, Przypis M, Kowalczykiewicz D, Pollender A, Kumpf A, Marsden SR, Bento I, Jarzębski AB, Szymańska K, Chruściel A, Tischler D, Schoevaart R, Hanefeld U, Hagedoorn PL. Leloir Glycosyltransferases in Applied Biocatalysis: A Multidisciplinary Approach. Int J Mol Sci 2019; 20:ijms20215263. [PMID: 31652818 PMCID: PMC6861944 DOI: 10.3390/ijms20215263] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/17/2019] [Accepted: 10/18/2019] [Indexed: 01/13/2023] Open
Abstract
Enzymes are nature’s catalyst of choice for the highly selective and efficient coupling of carbohydrates. Enzymatic sugar coupling is a competitive technology for industrial glycosylation reactions, since chemical synthetic routes require extensive use of laborious protection group manipulations and often lack regio- and stereoselectivity. The application of Leloir glycosyltransferases has received considerable attention in recent years and offers excellent control over the reactivity and selectivity of glycosylation reactions with unprotected carbohydrates, paving the way for previously inaccessible synthetic routes. The development of nucleotide recycling cascades has allowed for the efficient production and reuse of nucleotide sugar donors in robust one-pot multi-enzyme glycosylation cascades. In this way, large glycans and glycoconjugates with complex stereochemistry can be constructed. With recent advances, LeLoir glycosyltransferases are close to being applied industrially in multi-enzyme, programmable cascade glycosylations.
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Affiliation(s)
- Luuk Mestrom
- Department of Biotechnology, Delft University of Technology, Section Biocatalysis, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
| | - Marta Przypis
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland.
- Biotechnology Center, Silesian University of Technology, B. Krzywoustego 8, 44-100 Gliwice, Poland.
| | - Daria Kowalczykiewicz
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland.
- Biotechnology Center, Silesian University of Technology, B. Krzywoustego 8, 44-100 Gliwice, Poland.
| | - André Pollender
- Environmental Microbiology, Institute of Biosciences, TU Bergakademie Freiberg, Leipziger Str. 29, 09599 Freiberg, Germany.
| | - Antje Kumpf
- Environmental Microbiology, Institute of Biosciences, TU Bergakademie Freiberg, Leipziger Str. 29, 09599 Freiberg, Germany.
- Microbial Biotechnology, Faculty of Biology & Biotechnology, Ruhr-Universität Bochum, Universitätsstr. 150, 44780 Bochum, Germany.
| | - Stefan R Marsden
- Department of Biotechnology, Delft University of Technology, Section Biocatalysis, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
| | - Isabel Bento
- EMBL Hamburg, Notkestraβe 85, 22607 Hamburg, Germany.
| | - Andrzej B Jarzębski
- Institute of Chemical Engineering, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland.
| | - Katarzyna Szymańska
- Department of Chemical and Process Engineering, Silesian University of Technology, Ks. M. Strzody 7, 44-100 Gliwice, Poland.
| | | | - Dirk Tischler
- Environmental Microbiology, Institute of Biosciences, TU Bergakademie Freiberg, Leipziger Str. 29, 09599 Freiberg, Germany.
- Microbial Biotechnology, Faculty of Biology & Biotechnology, Ruhr-Universität Bochum, Universitätsstr. 150, 44780 Bochum, Germany.
| | - Rob Schoevaart
- ChiralVision, J.H. Oortweg 21, 2333 CH Leiden, The Netherlands.
| | - Ulf Hanefeld
- Department of Biotechnology, Delft University of Technology, Section Biocatalysis, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
| | - Peter-Leon Hagedoorn
- Department of Biotechnology, Delft University of Technology, Section Biocatalysis, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
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