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Maeda H, Soneda Y, Higuchi A, Iizuka M, Nagamoto H. Current Generation from Na 2SO 3 and H 2SO 3 by Using Carbon Fiber Anode. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2012. [DOI: 10.1246/bcsj.20120070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hidekatsu Maeda
- Division of Bioinformatics, Graduate School of Engineering, Soka University
| | - Yasushi Soneda
- Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology
| | - Aya Higuchi
- Division of Bioinformatics, Graduate School of Engineering, Soka University
| | - Miki Iizuka
- Division of Bioinformatics, Graduate School of Engineering, Soka University
| | - Hidetoshi Nagamoto
- Division of Applied Chemistry and Chemical Engineering, Graduate School of Engineering, Kougakuin University
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Sundmacher K, Hanke-Rauschenbach R, Heidebrecht P, Rihko-Struckmann L, Vidaković-Koch T. Some reaction engineering challenges in fuel cells: dynamics integration, renewable fuels, enzymes. Curr Opin Chem Eng 2012. [DOI: 10.1016/j.coche.2012.02.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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53
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Meredith S, Xu S, Meredith MT, Minteer SD. Hydrophobic salt-modified Nafion for enzyme immobilization and stabilization. J Vis Exp 2012:e3949. [PMID: 22824919 DOI: 10.3791/3949] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Over the last decade, there has been a wealth of application for immobilized and stabilized enzymes including biocatalysis, biosensors, and biofuel cells. In most bioelectrochemical applications, enzymes or organelles are immobilized onto an electrode surface with the use of some type of polymer matrix. This polymer scaffold should keep the enzymes stable and allow for the facile diffusion of molecules and ions in and out of the matrix. Most polymers used for this type of immobilization are based on polyamines or polyalcohols - polymers that mimic the natural environment of the enzymes that they encapsulate and stabilize the enzyme through hydrogen or ionic bonding. Another method for stabilizing enzymes involves the use of micelles, which contain hydrophobic regions that can encapsulate and stabilize enzymes. In particular, the Minteer group has developed a micellar polymer based on commercially available Nafion. Nafion itself is a micellar polymer that allows for the channel-assisted diffusion of protons and other small cations, but the micelles and channels are extremely small and the polymer is very acidic due to sulfonic acid side chains, which is unfavorable for enzyme immobilization. However, when Nafion is mixed with an excess of hydrophobic alkyl ammonium salts such as tetrabutylammonium bromide (TBAB), the quaternary ammonium cations replace the protons and become the counter ions to the sulfonate groups on the polymer side chains (Figure 1). This results in larger micelles and channels within the polymer that allow for the diffusion of large substrates and ions that are necessary for enzymatic function such as nicotinamide adenine dinucleotide (NAD). This modified Nafion polymer has been used to immobilize many different types of enzymes as well as mitochondria for use in biosensors and biofuel cells. This paper describes a novel procedure for making this micellar polymer enzyme immobilization membrane that can stabilize enzymes. The synthesis of the micellar enzyme immobilization membrane, the procedure for immobilizing enzymes within the membrane, and the assays for studying enzymatic specific activity of the immobilized enzyme are detailed below.
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Lapinsonnière L, Picot M, Barrière F. Enzymatic versus microbial bio-catalyzed electrodes in bio-electrochemical systems. CHEMSUSCHEM 2012; 5:995-1005. [PMID: 22674690 DOI: 10.1002/cssc.201100835] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Catalyses of electrode reactions by oxidoreductases or living electroactive bacteria are compared and recent advances reviewed. The relation between the biological and nevertheless inert nature of enzymes and the living machinery of electroactive microbes is discussed. The way these biocatalysts may be electrically contacted to anodes or cathodes is considered with a focus on their immobilization at electrodes and on the issue of time stability of these assemblies. Recent improvements in power output of biofuel cells are reviewed together with applications that have appeared in the literature. This account also reviews new approaches for combining enzymes and living microbes in bioelectrochemical systems such as reproducing microbial metabolisms with enzyme cascades and expressing oxidoreductases on genetically engineered microbes. Finally, the use of surface chemistry for studying the microbe-electrode interface and bioelectrodes with cell organelles, such as mitochondria, or with higher organisms, such as yeasts, are discussed. Some perspectives for future research to extend this field are offered as conclusions.
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Affiliation(s)
- Laure Lapinsonnière
- Equipe MaCSE, Institut des Sciences Chimiques de Rennes, Université de Rennes 1, CNRS UMR n° 6226, Rennes 35042, France
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55
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Zhang YHP, Huang WD. Constructing the electricity–carbohydrate–hydrogen cycle for a sustainability revolution. Trends Biotechnol 2012; 30:301-6. [DOI: 10.1016/j.tibtech.2012.02.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2011] [Revised: 02/23/2012] [Accepted: 02/24/2012] [Indexed: 10/28/2022]
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56
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Azine/hydrogel/nanotube composite-modified electrodes for NADH catalysis and enzyme immobilization. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.04.017] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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57
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Meredith MT, Minteer SD. Biofuel cells: enhanced enzymatic bioelectrocatalysis. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2012; 5:157-179. [PMID: 22524222 DOI: 10.1146/annurev-anchem-062011-143049] [Citation(s) in RCA: 110] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Enzymatic biofuel cells represent an emerging technology that can create electrical energy from biologically renewable catalysts and fuels. A wide variety of redox enzymes have been employed to create unique biofuel cells that can be used in applications such as implantable power sources, energy sources for small electronic devices, self-powered sensors, and bioelectrocatalytic logic gates. This review addresses the fundamental concepts necessary to understand the operating principles of biofuel cells, as well as recent advances in mediated electron transfer- and direct electron transfer-based biofuel cells, which have been developed to create bioelectrical devices that can produce significant power and remain stable for long periods.
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Affiliation(s)
- Matthew T Meredith
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, USA.
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58
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Hiatt LA, McKenzie JR, Deravi LF, Harry RS, Wright DW, Cliffel DE. A printed superoxide dismutase coated electrode for the study of macrophage oxidative burst. Biosens Bioelectron 2012; 33:128-33. [PMID: 22257735 PMCID: PMC3291099 DOI: 10.1016/j.bios.2011.12.038] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 12/16/2011] [Accepted: 12/20/2011] [Indexed: 11/23/2022]
Abstract
The miniaturization of electrochemical sensors allows for the minimally invasive and cost effective examination of cellular responses at a high efficacy rate. In this work, an ink-jet printed superoxide dismutase electrode was designed, characterized, and utilized as a novel microfluidic device to examine the metabolic response of a 2D layer of macrophage cells. Since superoxide production is one of the first indicators of oxidative burst, macrophage cells were exposed within the microfluidic device to phorbol myristate acetate (PMA), a known promoter of oxidative burst, and the production of superoxide was measured. A 46 ± 19% increase in current was measured over a 30 min time period demonstrating successful detection of sustained macrophage oxidative burst, which corresponds to an increase in the superoxide production rate by 9 ± 3 attomoles/cell/s. Linear sweep voltammetry was utilized to show the selectivity of this sensor for superoxide over hydrogen peroxide. This novel controllable microfluidic system can be used to study the impact of multiple effectors from a large number of bacteria or other invaders along a 2D layer of macrophages, providing an in vitro platform for improved electrochemical studies of metabolic responses.
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Affiliation(s)
- Leslie A. Hiatt
- Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, VU Station B 351822, Nashville, TN 37235-1822 USA
| | - Jennifer R. McKenzie
- Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, VU Station B 351822, Nashville, TN 37235-1822 USA
| | - Leila F. Deravi
- Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, VU Station B 351822, Nashville, TN 37235-1822 USA
| | - Reese S. Harry
- Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, VU Station B 351822, Nashville, TN 37235-1822 USA
| | - David W. Wright
- Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, VU Station B 351822, Nashville, TN 37235-1822 USA
| | - David E. Cliffel
- Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, VU Station B 351822, Nashville, TN 37235-1822 USA
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59
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Tsujimura S, Fukuda J, Shirai O, Kano K, Sakai H, Tokita Y, Hatazawa T. Micro-coulometric study of bioelectrochemical reaction coupled with TCA cycle. Biosens Bioelectron 2012; 34:244-8. [PMID: 22391482 DOI: 10.1016/j.bios.2012.02.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Revised: 01/20/2012] [Accepted: 02/10/2012] [Indexed: 11/19/2022]
Abstract
The mediated electro-enzymatic electrolysis systems based on the tricarboxylic acid (TCA) cycle reaction were examined on a micro-bulk electrolytic system. A series of the enzyme-catalyzed reactions in the TCA cycle was coupled with electrode reaction. Electrochemical oxidation of NADH was catalyzed by diaphorase with an aid of a redox mediator with a formal potential of -0.15 V vs. Ag|AgCl. The mediator was also able to shuttle electrons between succinate dehydrogenase and electrode. The charge during the electrolysis increased on each addition of dehydrogenase reaction in a cascade of the TCA cycle. However, the electrolysis efficiencies were close to or less than 90% because of the product inhibition. Lactate oxidation to acetyl-CoA catalyzed by two NAD-dependent dehydrogenases was coupled with the bioelectrochemical TCA cycle reaction to achieve the 12-electron oxidation of lactate to CO(2). The charge passed in the bioelectrocatalytic oxidation of 5 nmol of lactate was 4 mC, which corresponds to 70% of the electrolysis efficiency.
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Affiliation(s)
- Seiya Tsujimura
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto, Japan.
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60
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You C, Zhang YHP. Cell-free biosystems for biomanufacturing. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2012; 131:89-119. [PMID: 23111502 DOI: 10.1007/10_2012_159] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Although cell-free biosystems have been used as a tool for investigating fundamental aspects of biological systems for more than 100 years, they are becoming an emerging biomanufacturing platform in the production of low-value biocommodities (e.g., H(2), ethanol, and isobutanol), fine chemicals, and high-value protein and carbohydrate drugs and their precursors. Here we would like to define the cell-free biosystems containing more than three catalytic components in a single reaction vessel, which although different from one-, two-, or three-enzyme biocatalysis can be regarded as a straightforward extension of multienzymatic biocatalysis. In this chapter, we compare the advantages and disadvantages of cell-free biosystems versus living organisms, briefly review the history of cell-free biosystems, highlight a few examples, analyze any remaining obstacles to the scale-up of cell-free biosystems, and suggest potential solutions. Cell-free biosystems could become a disruptive technology to microbial fermentation, especially in the production of high-impact low-value biocommodities mainly due to the very high product yields and potentially low production costs.
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Affiliation(s)
- Chun You
- Biological Systems Engineering Department, Virginia Tech, 304 Seitz Hall, Blacksburg, VA, 24061, USA
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61
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Zhang YHP, You C, Chen H, Feng R. Surpassing Photosynthesis: High-Efficiency and Scalable CO 2Utilization through Artificial Photosynthesis. ACS SYMPOSIUM SERIES 2012. [DOI: 10.1021/bk-2012-1097.ch015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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62
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Affiliation(s)
- Shuai Xu
- Departments of Chemistry and Materials Science & Engineering, University of Utah, 315 S 1400 E Rm 2020, Salt Lake City, Utah 84112, United States
| | - Shelley D. Minteer
- Departments of Chemistry and Materials Science & Engineering, University of Utah, 315 S 1400 E Rm 2020, Salt Lake City, Utah 84112, United States
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63
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Aquino Neto S, Forti JC, Zucolotto V, Ciancaglini P, De Andrade AR. The kinetic behavior of dehydrogenase enzymes in solution and immobilized onto nanostructured carbon platforms. Process Biochem 2011. [DOI: 10.1016/j.procbio.2011.09.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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64
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Sokic-Lazic D, de Andrade AR, Minteer SD. Utilization of enzyme cascades for complete oxidation of lactate in an enzymatic biofuel cell. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2011.01.050] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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65
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Moehlenbrock MJ, Meredith MT, Minteer SD. Bioelectrocatalytic Oxidation of Glucose in CNT Impregnated Hydrogels: Advantages of Synthetic Enzymatic Metabolon Formation. ACS Catal 2011. [DOI: 10.1021/cs200482v] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Michael J. Moehlenbrock
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
| | - Matthew T. Meredith
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
- Departments of Chemistry and Materials Science and Engineering, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
| | - Shelley D. Minteer
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
- Departments of Chemistry and Materials Science and Engineering, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
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66
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Meredith MT, Minson M, Hickey D, Artyushkova K, Glatzhofer DT, Minteer SD. Anthracene-Modified Multi-Walled Carbon Nanotubes as Direct Electron Transfer Scaffolds for Enzymatic Oxygen Reduction. ACS Catal 2011. [DOI: 10.1021/cs200475q] [Citation(s) in RCA: 156] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Matthew T. Meredith
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Michael Minson
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - David Hickey
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Kateryna Artyushkova
- Department of Chemical & Nuclear Engineering, Center for Emerging Energy Technologies, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Daniel T. Glatzhofer
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Shelley D. Minteer
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
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67
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Hodgman CE, Jewett MC. Cell-free synthetic biology: thinking outside the cell. Metab Eng 2011; 14:261-9. [PMID: 21946161 DOI: 10.1016/j.ymben.2011.09.002] [Citation(s) in RCA: 268] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 08/19/2011] [Accepted: 09/09/2011] [Indexed: 01/19/2023]
Abstract
Cell-free synthetic biology is emerging as a powerful approach aimed to understand, harness, and expand the capabilities of natural biological systems without using intact cells. Cell-free systems bypass cell walls and remove genetic regulation to enable direct access to the inner workings of the cell. The unprecedented level of control and freedom of design, relative to in vivo systems, has inspired the rapid development of engineering foundations for cell-free systems in recent years. These efforts have led to programmed circuits, spatially organized pathways, co-activated catalytic ensembles, rational optimization of synthetic multi-enzyme pathways, and linear scalability from the micro-liter to the 100-liter scale. It is now clear that cell-free systems offer a versatile test-bed for understanding why nature's designs work the way they do and also for enabling biosynthetic routes to novel chemicals, sustainable fuels, and new classes of tunable materials. While challenges remain, the emergence of cell-free systems is poised to open the way to novel products that until now have been impractical, if not impossible, to produce by other means.
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Affiliation(s)
- C Eric Hodgman
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA
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68
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Narváez Villarrubia CW, Rincón RA, Radhakrishnan VK, Davis V, Atanassov P. Methylene green electrodeposited on SWNTs-based "bucky" papers for NADH and l-malate oxidation. ACS APPLIED MATERIALS & INTERFACES 2011; 3:2402-2409. [PMID: 21667995 DOI: 10.1021/am2003137] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
This research introduces a cavity anode design based on new single-walled nanotube (SWNTs) papers, "bucky" papers, used for the oxidation (and regeneration) of nicotinamide adenine dinucleotide (NADH) and the oxidation of l-malate. The materials designed are paper-like processed composites containing also additives: BP11 sample contains SWNTs and isopropanol (IPA); the BPMG sample contains SWNTs, IPA, and methylene green (MG). NADH/NAD(+) is the cofactor responsible for the oxidation of l-malate by malate dehydrogenase (MDH), in the Krebs' cycle. Because of the high overpotential of NADH oxidation, poly methylene green (PMG) was utilized as the electrocatalyst to produce NAD(+). The electrocatalyst was deposited on the surface of the "bucky" papers by electropolymerization by means of 10 voltammetric cycles in a range of -0.5 V and +1.3 V (vs Ag/AgCl reference electrode) at a scan rate of 5 mV/s. The catalytic performance of PMG was evaluated by chronoamperometric measurements of NADH oxidation at 0.3 V in phosphate buffer and l-malate oxidation at 0.1 V in the presence of MDH. For both "bucky" papers, the chronoamperometric curves of PMG, current vs NADH concentration, show a linear relationship demonstrating to have a first order Fick's law behavior for concentrations of NADH lower than 6 mM. The chronoamperometric curves in the presence of MDH, current against l-malate concentration, show a Michaelis-Menten behavior where no inhibition or competitive reaction are detected. Additionally, the anodic materials were characterized by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS), the polymerization of MG is effectively observed in the form of particles nucleation. The anodes show an excellent electrocatalytic activity toward NADH oxidation. The electrode design is feasible, reproducible, and overall stable.
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Affiliation(s)
- Claudia W Narváez Villarrubia
- Department of Chemical and Nuclear Engineering, University of New Mexico, Albuquerque, New Mexico 87106, United States
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69
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Maeda H, Nagamoto H, Soneda Y. Direct Current Generation from NADH and L-Cysteine Using Carbon Fiber: Possible Uses in Biofuel Cells. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2011. [DOI: 10.1246/bcsj.20100286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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70
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Abstract
The development of coimmobilized multi-enzymatic systems is increasingly driven by economic and environmental constraints that provide an impetus to develop alternatives to conventional multistep synthetic methods. As in nature, enzyme-based systems work cooperatively to direct the formation of desired products within the defined compartmentalization of a cell. In an attempt to mimic biology, coimmobilization is intended to immobilize a number of sequential or cooperating biocatalysts on the same support to impart stability and enhance reaction kinetics by optimizing catalytic turnover. There are three primary reasons for the utilization of coimmobilized enzymes: to enhance the efficiency of one of the enzymes by the in-situ generation of its substrate, to simplify a process that is conventionally carried out in several steps and/or to eliminate undesired by-products of an enzymatic reaction. As such, coimmobilization provides benefits that span numerous biotechnological applications, from biosensing of molecules to cofactor recycling and to combination of multiple biocatalysts for the synthesis of valuable products.
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Affiliation(s)
- Lorena Betancor
- Madrid Institute for Advanced Studies, Campus Universitario de Cantoblanco, Madrid, Spain.
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71
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Self-powered sensors. Anal Bioanal Chem 2011; 400:1605-11. [DOI: 10.1007/s00216-011-4782-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2011] [Revised: 02/04/2011] [Accepted: 02/07/2011] [Indexed: 10/18/2022]
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72
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Aquino Neto S, Forti J, Zucolotto V, Ciancaglini P, de Andrade A. Development of nanostructured bioanodes containing dendrimers and dehydrogenases enzymes for application in ethanol biofuel cells. Biosens Bioelectron 2011; 26:2922-6. [DOI: 10.1016/j.bios.2010.11.038] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2010] [Revised: 10/29/2010] [Accepted: 11/23/2010] [Indexed: 11/27/2022]
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73
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Rincón RA, Lau C, Garcia KE, Atanassov P. Flow-through 3D biofuel cell anode for NAD+-dependent enzymes. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2010.11.041] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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74
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Arechederra MN, Addo PK, Minteer SD. Poly(neutral red) as a NAD+ reduction catalyst and a NADH oxidation catalyst: Towards the development of a rechargeable biobattery. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2010.10.045] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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75
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Zhang YHP, Myung S, You C, Zhu Z, Rollin JA. Toward low-cost biomanufacturing through in vitro synthetic biology: bottom-up design. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm12078f] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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76
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Matsumoto R, Kakuta M, Sugiyama T, Goto Y, Sakai H, Tokita Y, Hatazawa T, Tsujimura S, Shirai O, Kano K. A liposome-based energy conversion system for accelerating the multi-enzyme reactions. Phys Chem Chem Phys 2010; 12:13904-6. [PMID: 20848047 DOI: 10.1039/c0cp00556h] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the first example of a liposome-based energy conversion system that is useful for entrapping enzymes and NAD coenzyme to accelerate multi-step enzymatic reactions. The liposome generates a much higher catalytic current compared with the non-liposome system, which is in good consistency with numerical simulations.
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Affiliation(s)
- Ryuhei Matsumoto
- Advanced Materials Laboratories, Sony Corporation, Atsugi-shi, Kanagawa 243-0021, Japan
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77
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Arechederra MN, Jenkins C, Rincón RA, Artyushkova K, Atanassov P, Minteer SD. Chemical polymerization and electrochemical characterization of thiazines for NADH electrocatalysis applications. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.06.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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78
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79
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Moehlenbrock MJ, Toby TK, Waheed A, Minteer SD. Metabolon Catalyzed Pyruvate/Air Biofuel Cell. J Am Chem Soc 2010; 132:6288-9. [DOI: 10.1021/ja101326b] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Michael J. Moehlenbrock
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103 and Edward A. Doisy Department of Biochemistry, Saint Louis University, 1100 South Grand, St. Louis, Missouri 63104
| | - Timothy K. Toby
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103 and Edward A. Doisy Department of Biochemistry, Saint Louis University, 1100 South Grand, St. Louis, Missouri 63104
| | - Abdul Waheed
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103 and Edward A. Doisy Department of Biochemistry, Saint Louis University, 1100 South Grand, St. Louis, Missouri 63104
| | - Shelley D. Minteer
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103 and Edward A. Doisy Department of Biochemistry, Saint Louis University, 1100 South Grand, St. Louis, Missouri 63104
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80
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81
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Addo P, Arechederra R, Minteer S. Evaluating Enzyme Cascades for Methanol/Air Biofuel Cells Based on NAD+-Dependent Enzymes. ELECTROANAL 2010. [DOI: 10.1002/elan.200980009] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Rincón R, Artyushkova K, Mojica M, Germain M, Minteer S, Atanassov P. Structure and Electrochemical Properties of Electrocatalysts for NADH Oxidation. ELECTROANAL 2010. [DOI: 10.1002/elan.200880008] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Zhang YHP. Production of biocommodities and bioelectricity by cell-free synthetic enzymatic pathway biotransformations: challenges and opportunities. Biotechnol Bioeng 2010; 105:663-77. [PMID: 19998281 DOI: 10.1002/bit.22630] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Cell-free synthetic (enzymatic) pathway biotransformation (SyPaB) is the assembly of a number of purified enzymes (usually more than 10) and coenzymes for the production of desired products through complicated biochemical reaction networks that a single enzyme cannot do. Cell-free SyPaB, as compared to microbial fermentation, has several distinctive advantages, such as high product yield, great engineering flexibility, high product titer, and fast reaction rate. Biocommodities (e.g., ethanol, hydrogen, and butanol) are low-value products where costs of feedstock carbohydrates often account for approximately 30-70% of the prices of the products. Therefore, yield of biocommodities is the most important cost factor, and the lowest yields of profitable biofuels are estimated to be ca. 70% of the theoretical yields of sugar-to-biofuels based on sugar prices of ca. US$ 0.18 per kg. The opinion that SyPaB is too costly for producing low-value biocommodities are mainly attributed to the lack of stable standardized building blocks (e.g., enzymes or their complexes), costly labile coenzymes, and replenishment of enzymes and coenzymes. In this perspective, I propose design principles for SyPaB, present several SyPaB examples for generating hydrogen, alcohols, and electricity, and analyze the advantages and limitations of SyPaB. The economical analyses clearly suggest that developments in stable enzymes or their complexes as standardized parts, efficient coenzyme recycling, and use of low-cost and more stable biomimetic coenzyme analogs, would result in much lower production costs than do microbial fermentations because the stabilized enzymes have more than 3 orders of magnitude higher weight-based total turn-over numbers than microbial biocatalysts, although extra costs for enzyme purification and stabilization are spent.
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Affiliation(s)
- Y-H Percival Zhang
- Biological Systems Engineering Department, Virginia Polytechnic Institute and State University, 210-A Seitz Hall, Blacksburg, Virginia 24061, USA. USA.
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Sokic-Lazic D, Arechederra R, Treu B, Minteer S. Oxidation of Biofuels: Fuel Diversity and Effectiveness of Fuel Oxidation through Multiple Enzyme Cascades. ELECTROANAL 2010. [DOI: 10.1002/elan.200980010] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Moehlenbrock MJ, Arechederra RL, Sjöholm KH, Minteer SD. Analytical Techniques for Characterizing Enzymatic Biofuel Cells. Anal Chem 2009; 81:9538-45. [DOI: 10.1021/ac901243s] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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