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Garland NT, Kaveti R, Bandodkar AJ. Biofluid-Activated Biofuel Cells, Batteries, and Supercapacitors: A Comprehensive Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303197. [PMID: 37358398 DOI: 10.1002/adma.202303197] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/06/2023] [Indexed: 06/27/2023]
Abstract
Recent developments in wearable and implanted devices have resulted in numerous, unprecedented capabilities that generate increasingly detailed information about a user's health or provide targeted therapy. However, options for powering such systems remain limited to conventional batteries which are large and have toxic components and as such are not suitable for close integration with the human body. This work provides an in-depth overview of biofluid-activated electrochemical energy devices, an emerging class of energy sources judiciously designed for biomedical applications. These unconventional energy devices are composed of biocompatible materials that harness the inherent chemistries of various biofluids to produce useable electrical energy. This work covers examples of such biofluid-activated energy devices in the form of biofuel cells, batteries, and supercapacitors. Advances in materials, design engineering, and biotechnology that form the basis for high-performance, biofluid-activated energy devices are discussed. Innovations in hybrid manufacturing and heterogeneous integration of device components to maximize power output are also included. Finally, key challenges and future scopes of this nascent field are provided.
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Affiliation(s)
- Nate T Garland
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, 27606, USA
- Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), North Carolina State University, Raleigh, NC, 27606, USA
| | - Rajaram Kaveti
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, 27606, USA
- Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), North Carolina State University, Raleigh, NC, 27606, USA
| | - Amay J Bandodkar
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, 27606, USA
- Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), North Carolina State University, Raleigh, NC, 27606, USA
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2
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den Boer D, de Heer HC, Buda F, Hetterscheid DGH. Challenges in Elucidating the Free Energy Scheme of the Laccase Catalyzed Reduction of Oxygen. ChemCatChem 2023; 15:e202200878. [PMID: 37082113 PMCID: PMC10107611 DOI: 10.1002/cctc.202200878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/03/2022] [Indexed: 11/06/2022]
Abstract
Artificial redox catalysts are typically limited by unfavorable scaling relations of reaction intermediates leading to a significant overpotential in multi-electron redox reactions such as for example the oxygen reduction reaction (ORR). The multicopper oxidase laccase is able to catalyze the ORR in nature. In particular the high-potential variants show a remarkably low overpotential for the ORR and apparently do not suffer from such unfavorable scaling relations. Although laccases are intensively studied, it is presently unknown why the overpotential for ORR is so low and a clear description regarding the thermodynamics of the catalytic cycle and the underlying design principles is lacking. In order to understand the laccase catalyzed ORR from an electrochemical perspective, elucidation of the free energy scheme would be of high value. This article reviews the energetics of the proposed laccase catalyzed ORR mechanisms based on experimental and computational studies. However, there are still remaining challenges to overcome to elucidate the free energy scheme of laccase. Obtaining thermodynamic data on intermediates is hard or even impossible with analytical techniques. On the other hand, several computational studies have been performed with significantly different parameters and conditions, thus making a direct comparison difficult. For these reasons, a consensus on a clear free energy scheme is still lacking. We anticipate that ultimately conquering these challenges will result in a better understanding of laccase catalyzed ORR and will allow for the design of low overpotential redox catalysts.
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Affiliation(s)
- Daan den Boer
- Leiden Institute of ChemistryLeiden University2300RALeidenThe Netherlands
| | - Hendrik C. de Heer
- Leiden Institute of ChemistryLeiden University2300RALeidenThe Netherlands
| | - Francesco Buda
- Leiden Institute of ChemistryLeiden University2300RALeidenThe Netherlands
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3
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Thadathil DA, Varghese A, Ahamed CVS, Krishnakumar K, Varma SS, Lankalapalli RS, Radhakrishnan KV. Enzyme based bioelectrocatalysis over laccase immobilized poly-thiophene supported carbon fiber paper for the oxidation of D-ribofuranose to D-ribonolactone. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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4
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Abstract
Electrocatalysis is an indispensable technique for small-molecule transformations, which are essential for the sustainability of society. Electrocatalysis utilizes electricity as an energy source for chemical reactions. Hydrogen is considered the “fuel for the future,” and designing electrocatalysts for hydrogen production has thus become critical. Furthermore, fuel cells are promising energy solutions that require robust electrocatalysts for key fuel cell reactions such as the interconversion of oxygen to water. Concerns regarding the rising concentration of atmospheric carbon dioxide have prompted the search for CO2 conversion methods. One promising approach is the electrochemical conversion of CO2 into commodity chemicals and/or liquid fuels, but such chemistry is highly energy demanding because of the thermodynamic stability of CO2. All of the above-mentioned electrocatalytic processes rely on the selective input of multiple protons (H+) and electrons (e–) to yield the desired products. Biological enzymes evolved in nature to perform such redox catalysis and have inspired the design of catalysts at the molecular and atomic levels. While it is synthetically challenging to mimic the exact biological environment, incorporating functional outer coordination spheres into molecular catalysts has shown promise for advancing multi-H+ and multi-e– electrocatalysis. From this Perspective, herein, catalysts with outer coordination sphere(s) are selected as the inspiration for developing new catalysts, particularly for the reductive conversion of H+, O2, and CO2, which are highly relevant to sustainability. The recent progress in electrocatalysis and opportunities to explore beyond the second coordination sphere are also emphasized.
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Affiliation(s)
- Soumalya Sinha
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, OH 45221, USA
| | - Caroline K Williams
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, OH 45221, USA
| | - Jianbing Jimmy Jiang
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, OH 45221, USA
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5
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Proteins-Based Nanocatalysts for Energy Conversion Reactions. Top Curr Chem (Cham) 2020; 378:43. [PMID: 32562011 DOI: 10.1007/s41061-020-00306-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 06/10/2020] [Indexed: 10/24/2022]
Abstract
In recent years, the incorporation of molecular enzymes into nanostructured frameworks to create efficient energy conversion biomaterials has gained increasing interest as a promising strategy owing to both the dynamic behavior of proteins for their electrocatalytic function and the unique properties of the synergistic interactions between proteins and nanosized materials. Herein, we review the impact of proteins on energy conversion fields and the contribution of proteins to the improved activity of the resulting nanocomposites. We address different strategies to fabricate protein-based nanocatalysts as well as current knowledge on the structure-function relationships of enzymes during the catalytic processes. Additionally, a comprehensive review of state-of-the-art bioelectrocatalytic materials for water-splitting reactions such as hydrogen evolution reaction (HER) and oxygen evolution reactions (OER) is afforded. Finally, we briefly envision opportunities to develop a new generation of electrocatalysts towards the electrochemical reduction of N2 to NH3 using theoretical tools to built nature-inspired nitrogen reduction reaction catalysts.
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6
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Valles M, Kamaruddin AF, Wong LS, Blanford CF. Inhibition in multicopper oxidases: a critical review. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00724b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This review critiques the literature on inhibition of O2-reduction catalysis in multicopper oxidases like laccase and bilirubin oxidase and provide recommendations for best practice when carrying out experiments and interpreting published data.
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Affiliation(s)
- Morgane Valles
- Manchester Institute of Biotechnology
- University of Manchester
- Manchester
- UK
- Department of Chemistry
| | - Amirah F. Kamaruddin
- Manchester Institute of Biotechnology
- University of Manchester
- Manchester
- UK
- Department of Materials
| | - Lu Shin Wong
- Manchester Institute of Biotechnology
- University of Manchester
- Manchester
- UK
- Department of Chemistry
| | - Christopher F. Blanford
- Manchester Institute of Biotechnology
- University of Manchester
- Manchester
- UK
- Department of Materials
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7
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Comparison of Direct and Mediated Electron Transfer for Bilirubin Oxidase from Myrothecium Verrucaria. Effects of Inhibitors and Temperature on the Oxygen Reduction Reaction. Catalysts 2019. [DOI: 10.3390/catal9121056] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
One of the processes most studied in bioenergetic systems in recent years is the oxygen reduction reaction (ORR). An important challenge in bioelectrochemistry is to achieve this reaction under physiological conditions. In this study, we used bilirubin oxidase (BOD) from Myrothecium verrucaria, a subclass of multicopper oxidases (MCOs), to catalyse the ORR to water via four electrons in physiological conditions. The active site of BOD, the T2/T3 cluster, contains three Cu atoms classified as T2, T3α, and T3β depending on their spectroscopic characteristics. A fourth Cu atom; the T1 cluster acts as a relay of electrons to the T2/T3 cluster. Graphite electrodes were modified with BOD and the direct electron transfer (DET) to the enzyme, and the mediated electron transfer (MET) using an osmium polymer (OsP) as a redox mediator, were compared. As a result, an alternative resting (AR) form was observed in the catalytic cycle of BOD. In the absence and presence of the redox mediator, the AR direct reduction occurs through the trinuclear site (TNC) via T1, specifically activated at low potentials in which T2 and T3α of the TNC are reduced and T3β is oxidized. A comparative study between the DET and MET was conducted at various pH and temperatures, considering the influence of inhibitors like H2O2, F−, and Cl−. In the presence of H2O2 and F−, these bind to the TNC in a non-competitive reversible inhibition of O2. Instead; Cl− acts as a competitive inhibitor for the electron donor substrate and binds to the T1 site.
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8
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Trp-His covalent adduct in bilirubin oxidase is crucial for effective bilirubin binding but has a minor role in electron transfer. Sci Rep 2019; 9:13700. [PMID: 31548583 PMCID: PMC6757100 DOI: 10.1038/s41598-019-50105-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 09/06/2019] [Indexed: 01/09/2023] Open
Abstract
Unlike any protein studied so far, the active site of bilirubin oxidase from Myrothecium verrucaria contains a unique type of covalent link between tryptophan and histidine side chains. The role of this post-translational modification in substrate binding and oxidation is not sufficiently understood. Our structural and mutational studies provide evidence that this Trp396–His398 adduct modifies T1 copper coordination and is an important part of the substrate binding and oxidation site. The presence of the adduct is crucial for oxidation of substituted phenols and it substantially influences the rate of oxidation of bilirubin. Additionally, we bring the first structure of bilirubin oxidase in complex with one of its products, ferricyanide ion, interacting with the modified tryptophan side chain, Arg356 and the active site-forming loop 393-398. The results imply that structurally and chemically distinct types of substrates, including bilirubin, utilize the Trp–His adduct mainly for binding and to a smaller extent for electron transfer.
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9
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Barrio M, Fourmond V. Redox (In)activations of Metalloenzymes: A Protein Film Voltammetry Approach. ChemElectroChem 2019. [DOI: 10.1002/celc.201901028] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Melisa Barrio
- CNRSAix-Marseille Université, BIP UMR 7281 31 chemin J. Aiguier F-13402 Marseille cedex 20 France
| | - Vincent Fourmond
- CNRSAix-Marseille Université, BIP UMR 7281 31 chemin J. Aiguier F-13402 Marseille cedex 20 France
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10
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Jarne C, Paul L, Conesa JC, Shleev S, De Lacey AL, Pita M. Underpotential Photoelectrooxidation of Water by SnS
2
−Laccase Co‐catalysts on Nanostructured Electrodes with Only Visible‐Light Irradiation. ChemElectroChem 2019. [DOI: 10.1002/celc.201900360] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Carmen Jarne
- Instituto de Catálisis y PetroleoquímicaCSIC C/ Marie Curie 2, L10 28049 Madrid Spain
| | - Logan Paul
- Instituto de Catálisis y PetroleoquímicaCSIC C/ Marie Curie 2, L10 28049 Madrid Spain
| | - José Carlos Conesa
- Instituto de Catálisis y PetroleoquímicaCSIC C/ Marie Curie 2, L10 28049 Madrid Spain
| | - Sergey Shleev
- Biomedical ScienceFaculty of Health and SocietyMalmö University SE-0205 06 Malmo Sweden
| | - Antonio L. De Lacey
- Instituto de Catálisis y PetroleoquímicaCSIC C/ Marie Curie 2, L10 28049 Madrid Spain
| | - Marcos Pita
- Instituto de Catálisis y PetroleoquímicaCSIC C/ Marie Curie 2, L10 28049 Madrid Spain
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11
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Rangelov S, Nicell JA. Modelling the transient kinetics of laccase-catalyzed oxidation of four aqueous phenolic substrates at low concentrations. Biochem Eng J 2018. [DOI: 10.1016/j.bej.2018.01.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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13
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Fowler NJ, Blanford CF, Warwicker J, de Visser SP. Prediction of Reduction Potentials of Copper Proteins with Continuum Electrostatics and Density Functional Theory. Chemistry 2017; 23:15436-15445. [PMID: 28815759 PMCID: PMC5698706 DOI: 10.1002/chem.201702901] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Indexed: 12/20/2022]
Abstract
Blue copper proteins, such as azurin, show dramatic changes in Cu2+/Cu+ reduction potential upon mutation over the full physiological range. Hence, they have important functions in electron transfer and oxidation chemistry and have applications in industrial biotechnology. The details of what determines these reduction potential changes upon mutation are still unclear. Moreover, it has been difficult to model and predict the reduction potential of azurin mutants and currently no unique procedure or workflow pattern exists. Furthermore, high‐level computational methods can be accurate but are too time consuming for practical use. In this work, a novel approach for calculating reduction potentials of azurin mutants is shown, based on a combination of continuum electrostatics, density functional theory and empirical hydrophobicity factors. Our method accurately reproduces experimental reduction potential changes of 30 mutants with respect to wildtype within experimental error and highlights the factors contributing to the reduction potential change. Finally, reduction potentials are predicted for a series of 124 new mutants that have not yet been investigated experimentally. Several mutants are identified that are located well over 10 Å from the copper center that change the reduction potential by more than 85 mV. The work shows that secondary coordination sphere mutations mostly lead to long‐range electrostatic changes and hence can be modeled accurately with continuum electrostatics.
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Affiliation(s)
- Nicholas J Fowler
- Manchester Institute of Biotechnology and School of Chemistry, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Christopher F Blanford
- Manchester Institute of Biotechnology and School of Materials, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Jim Warwicker
- Manchester Institute of Biotechnology and School of Chemistry, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Sam P de Visser
- Manchester Institute of Biotechnology, and School of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
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14
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Affiliation(s)
- Nicolas Mano
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- University of Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Anne de Poulpiquet
- Aix Marseille Univ., CNRS, BIP, 31, chemin Aiguier, 13402 Marseille, France
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15
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de Poulpiquet A, Kjaergaard CH, Rouhana J, Mazurenko I, Infossi P, Gounel S, Gadiou R, Giudici-Orticoni MT, Solomon EI, Mano N, Lojou E. Mechanism of chloride inhibition of bilirubin oxidases and its dependence on potential and pH. ACS Catal 2017; 7:3916-3923. [PMID: 29930880 PMCID: PMC6007015 DOI: 10.1021/acscatal.7b01286] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bilirubin oxidases (BODs) belong to the multi-copper oxidase (MCO) family and efficiently reduce O2 at neutral pH and in physiological conditions where chloride concentrations are over 100 mM. BODs were consequently considered to be Cl- resistant contrary to laccases. However, there has not been a detailed study on the related effect of chloride and pH on the redox state of immobilized BODs. Here, we investigate by electrochemistry the catalytic mechanism of O2 reduction by the thermostable Bacillus pumilus BOD immobilized on carbon nanofibers in the presence of NaCl. The addition of chloride results in the formation of a redox state of the enzyme, previously observed for different BODs and laccases, which is only active after a reductive step. This behavior has not been previously investigated. We show for the first time that the kinetics of formation of this state is strongly dependent on pH, temperature, Cl- concentration and on the applied redox potential. UV-visible spectroscopy allows us to correlate the inhibition process by chloride with the formation of the alternative resting form of the enzyme. We demonstrate that O2 is not required for its formation and show that the application of an oxidative potential is sufficient. In addition, our results suggest that the reactivation may proceed thought the T3 β.
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Affiliation(s)
- Anne de Poulpiquet
- Aix Marseille Univ, CNRS, BIP, 31 chemin Aiguier, 13402 Marseille, France
| | | | - Jad Rouhana
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Ievgen Mazurenko
- Aix Marseille Univ, CNRS, BIP, 31 chemin Aiguier, 13402 Marseille, France
| | - Pascale Infossi
- Aix Marseille Univ, CNRS, BIP, 31 chemin Aiguier, 13402 Marseille, France
| | - Sébastien Gounel
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Roger Gadiou
- Institut des Sciences de Matériaux de Mulhouse, CNRS, 15 rue Starcky, 68057 Mulhouse, France
| | | | - Edward I. Solomon
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Nicolas Mano
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Elisabeth Lojou
- Aix Marseille Univ, CNRS, BIP, 31 chemin Aiguier, 13402 Marseille, France
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16
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Stines-Chaumeil C, Roussarie E, Mano N. The nature of the rate-limiting step of blue multicopper oxidases: Homogeneous studies versus heterogeneous. BIOCHIMIE OPEN 2017; 4:36-40. [PMID: 29450139 PMCID: PMC5801829 DOI: 10.1016/j.biopen.2017.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 01/21/2017] [Indexed: 11/15/2022]
Abstract
Multicopper oxidases (MCOs) catalyzed two half reactions (linked by an intramolecular electron transfer) through a Ping-Pong mechanism: the substrate oxidation followed by the O2 reduction. MCOs have been characterized in details in solution or immobilized on electrode surfaces. The nature of the rate-limiting steps, which is controversial in the literature, is discussed in this mini review for both cases. Deciphering such rate-limiting steps is of particular importance to efficiently use MCOs in any applications requiring the reduction of O2 to water. Limiting rate constant of multicopper oxidase in solution is discussed. Limiting rate constant of immobilized multicopper oxidase is discussed. Homogeneous and heterogeneous enzyme kinetics are compared.
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Affiliation(s)
- Claire Stines-Chaumeil
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France.,Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Elodie Roussarie
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France.,Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Nicolas Mano
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France.,Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
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17
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Monsalve K, Mazurenko I, Gutierrez-Sanchez C, Ilbert M, Infossi P, Frielingsdorf S, Giudici-Orticoni MT, Lenz O, Lojou E. Impact of Carbon Nanotube Surface Chemistry on Hydrogen Oxidation by Membrane-Bound Oxygen-Tolerant Hydrogenases. ChemElectroChem 2016. [DOI: 10.1002/celc.201600460] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Karen Monsalve
- Aix Marseille Univ, CNRS, BIP, UMR 7281; 31 chemin Joseph Aiguier 13402 Marseille France
| | - Ievgen Mazurenko
- Aix Marseille Univ, CNRS, BIP, UMR 7281; 31 chemin Joseph Aiguier 13402 Marseille France
| | | | - Marianne Ilbert
- Aix Marseille Univ, CNRS, BIP, UMR 7281; 31 chemin Joseph Aiguier 13402 Marseille France
| | - Pascale Infossi
- Aix Marseille Univ, CNRS, BIP, UMR 7281; 31 chemin Joseph Aiguier 13402 Marseille France
| | - Stefan Frielingsdorf
- Institute für Chemie, Sekretariat PC14; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | | | - Oliver Lenz
- Institute für Chemie, Sekretariat PC14; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Elisabeth Lojou
- Aix Marseille Univ, CNRS, BIP, UMR 7281; 31 chemin Joseph Aiguier 13402 Marseille France
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18
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Mukherjee S, Mukherjee A, Bhagi-Damodaran A, Mukherjee M, Lu Y, Dey A. A biosynthetic model of cytochrome c oxidase as an electrocatalyst for oxygen reduction. Nat Commun 2015; 6:8467. [PMID: 26455726 PMCID: PMC4633646 DOI: 10.1038/ncomms9467] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 08/24/2015] [Indexed: 12/30/2022] Open
Abstract
Creating an artificial functional mimic of the mitochondrial enzyme cytochrome c oxidase (CcO) has been a long-term goal of the scientific community as such a mimic will not only add to our fundamental understanding of how CcO works but may also pave the way for efficient electrocatalysts for oxygen reduction in hydrogen/oxygen fuel cells. Here we develop an electrocatalyst for reducing oxygen to water under ambient conditions. We use site-directed mutants of myoglobin, where both the distal Cu and the redox-active tyrosine residue present in CcO are modelled. In situ Raman spectroscopy shows that this catalyst features very fast electron transfer rates, facile oxygen binding and O-O bond lysis. An electron transfer shunt from the electrode circumvents the slow dissociation of a ferric hydroxide species, which slows down native CcO (bovine 500 s(-1)), allowing electrocatalytic oxygen reduction rates of 5,000 s(-1) for these biosynthetic models.
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Affiliation(s)
- Sohini Mukherjee
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A&2B Raja SC Mullick Road, Jadavpur Kolkata 700032, India
| | - Arnab Mukherjee
- Department of Chemistry, University of Illinois at Urbana-Champaign, Champaign, Illinois 61801, USA
| | - Ambika Bhagi-Damodaran
- Department of Chemistry, University of Illinois at Urbana-Champaign, Champaign, Illinois 61801, USA
| | - Manjistha Mukherjee
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A&2B Raja SC Mullick Road, Jadavpur Kolkata 700032, India
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Champaign, Illinois 61801, USA
| | - Abhishek Dey
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A&2B Raja SC Mullick Road, Jadavpur Kolkata 700032, India
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19
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Rangelov S, Nicell JA. A model of the transient kinetics of laccase-catalyzed oxidation of phenol at micromolar concentrations. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2015.02.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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20
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de Poulpiquet A, Ranava D, Monsalve K, Giudici-Orticoni MT, Lojou E. Biohydrogen for a New Generation of H2/O2Biofuel Cells: A Sustainable Energy Perspective. ChemElectroChem 2014. [DOI: 10.1002/celc.201402249] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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21
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Koper MTM. Theory of multiple proton–electron transfer reactions and its implications for electrocatalysis. Chem Sci 2013. [DOI: 10.1039/c3sc50205h] [Citation(s) in RCA: 442] [Impact Index Per Article: 40.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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22
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Electrochemistry of bilirubin oxidase and its use in preparation of a low cost enzymatic biofuel cell based on a renewable composite binder chitosan. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2012.09.054] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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