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Bedendi G, De Moura Torquato LD, Webb S, Cadoux C, Kulkarni A, Sahin S, Maroni P, Milton RD, Grattieri M. Enzymatic and Microbial Electrochemistry: Approaches and Methods. ACS MEASUREMENT SCIENCE AU 2022; 2:517-541. [PMID: 36573075 PMCID: PMC9783092 DOI: 10.1021/acsmeasuresciau.2c00042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/12/2022] [Accepted: 08/15/2022] [Indexed: 06/17/2023]
Abstract
The coupling of enzymes and/or intact bacteria with electrodes has been vastly investigated due to the wide range of existing applications. These span from biomedical and biosensing to energy production purposes and bioelectrosynthesis, whether for theoretical research or pure applied industrial processes. Both enzymes and bacteria offer a potential biotechnological alternative to noble/rare metal-dependent catalytic processes. However, when developing these biohybrid electrochemical systems, it is of the utmost importance to investigate how the approaches utilized to couple biocatalysts and electrodes influence the resulting bioelectrocatalytic response. Accordingly, this tutorial review starts by recalling some basic principles and applications of bioelectrochemistry, presenting the electrode and/or biocatalyst modifications that facilitate the interaction between the biotic and abiotic components of bioelectrochemical systems. Focus is then directed toward the methods used to evaluate the effectiveness of enzyme/bacteria-electrode interaction and the insights that they provide. The basic concepts of electrochemical methods widely employed in enzymatic and microbial electrochemistry, such as amperometry and voltammetry, are initially presented to later focus on various complementary methods such as spectroelectrochemistry, fluorescence spectroscopy and microscopy, and surface analytical/characterization techniques such as quartz crystal microbalance and atomic force microscopy. The tutorial review is thus aimed at students and graduate students approaching the field of enzymatic and microbial electrochemistry, while also providing a critical and up-to-date reference for senior researchers working in the field.
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Affiliation(s)
- Giada Bedendi
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | | | - Sophie Webb
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
- National
Centre of Competence in Research (NCCR) Catalysis, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Cécile Cadoux
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
- National
Centre of Competence in Research (NCCR) Catalysis, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Amogh Kulkarni
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Selmihan Sahin
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Plinio Maroni
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Ross D. Milton
- Department
of Inorganic and Analytical Chemistry, Faculty of Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
- National
Centre of Competence in Research (NCCR) Catalysis, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Matteo Grattieri
- Dipartimento
di Chimica, Università degli Studi
di Bari “Aldo Moro”, via E. Orabona 4, Bari 70125, Italy
- IPCF-CNR
Istituto per i Processi Chimico Fisici, Consiglio Nazionale delle Ricerche, via E. Orabona 4, Bari 70125, Italy
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2
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Sailapu SK, Menon C. Engineering Self-Powered Electrochemical Sensors Using Analyzed Liquid Sample as the Sole Energy Source. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203690. [PMID: 35981885 PMCID: PMC9561779 DOI: 10.1002/advs.202203690] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Many healthcare and environmental monitoring devices use electrochemical techniques to detect and quantify analytes. With sensors progressively becoming smaller-particularly in point-of-care (POC) devices and wearable platforms-it creates the opportunity to operate them using less energy than their predecessors. In fact, they may require so little power that can be extracted from the analyzed fluids themselves, for example, blood or sweat in case of physiological sensors and sources like river water in the case of environmental monitoring. Self-powered electrochemical sensors (SPES) can generate a response by utilizing the available chemical species in the analyzed liquid sample. Though SPESs generate relatively low power, capable devices can be engineered by combining suitable reactions, miniaturized cell designs, and effective sensing approaches for deciphering analyte information. This review details various such sensing and engineering approaches adopted in different categories of SPES systems that solely use the power available in liquid sample for their operation. Specifically, the categories discussed in this review cover enzyme-based systems, battery-based systems, and ion-selective electrode-based systems. The review details the benefits and drawbacks with these approaches, as well as prospects of and challenges to accomplishing them.
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Affiliation(s)
- Sunil Kumar Sailapu
- Biomedical and Mobile Health Technology (BMHT) labDepartment of Health Sciences and TechnologyETH ZürichZürich8008Switzerland
| | - Carlo Menon
- Biomedical and Mobile Health Technology (BMHT) labDepartment of Health Sciences and TechnologyETH ZürichZürich8008Switzerland
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Ji B, Zhao Y, Yang Y, Tang C, Dai Y, Zhang X, Tai Y, Tao R, Ruan W. Insight into the performance discrepancy of GAC and CAC as air-cathode materials in constructed wetland-microbial fuel cell system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 808:152078. [PMID: 34863746 DOI: 10.1016/j.scitotenv.2021.152078] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/23/2021] [Accepted: 11/26/2021] [Indexed: 06/13/2023]
Abstract
Constructed wetland-microbial fuel cell (CW-MFC) has exhibited the performance discrepancy between using granular activated carbon (GAC) and columnar activated carbon (CAC) as air-cathode materials. No doubt, this is linked with electrochemical performance and decontaminants characteristics in the CW-MFC system. To provide insight into this performance discrepancy, three CW-MFCs were designed with different carbon-material to construct varied shapes of air-cathodes. The results showed that the ring-shaped cathode filled with GAC yielded a highest voltage of 458 mV with maximum power density of 13.71 mW m-2 and >90% COD removal in the CW-MFC system. The electrochemical characteristics and the electron transport system activity (ETSA) are the driven force to bring the GAC a better electron transportation and oxygen reduction reaction (ORR). This will help elucidating underlying mechanisms of different activated carbon for air-cathode and thus promote its large application.
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Affiliation(s)
- Bin Ji
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, PR China; Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China
| | - Yaqian Zhao
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, PR China.
| | - Yang Yang
- Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China.
| | - Cheng Tang
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, PR China; Dooge Centre for Water Resources Research, School of Civil Engineering, University College Dublin, Belfield, Dublin 4, Ireland
| | - Yunyu Dai
- Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
| | - Xiaomeng Zhang
- Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
| | - Yiping Tai
- Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
| | - Ran Tao
- Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
| | - Weifeng Ruan
- Department of Ecology, Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou, PR China
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Wang L, Wu X, Su BSQ, Song R, Zhang JR, Zhu JJ. Enzymatic Biofuel Cell: Opportunities and Intrinsic Challenges in Futuristic Applications. ADVANCED ENERGY AND SUSTAINABILITY RESEARCH 2021. [DOI: 10.1002/aesr.202100031] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Linlin Wang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 China
| | - Xiaoge Wu
- Environment Science and Engineering College Yangzhou University Yangzhou 225009 China
| | - B. S. Qi‐wen Su
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 China
| | - Rongbin Song
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 China
| | - Jian-Rong Zhang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences School of Chemistry and Chemical Engineering Nanjing University Nanjing 210093 China
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Ethanol Biofuel Cells: Hybrid Catalytic Cascades as a Tool for Biosensor Devices. BIOSENSORS-BASEL 2021; 11:bios11020041. [PMID: 33557146 PMCID: PMC7913944 DOI: 10.3390/bios11020041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 01/30/2021] [Accepted: 02/01/2021] [Indexed: 12/02/2022]
Abstract
Biofuel cells use chemical reactions and biological catalysts (enzymes or microorganisms) to produce electrical energy, providing clean and renewable energy. Enzymatic biofuel cells (EBFCs) have promising characteristics and potential applications as an alternative energy source for low-power electronic devices. Over the last decade, researchers have focused on enhancing the electrocatalytic activity of biosystems and on increasing energy generation and electronic conductivity. Self-powered biosensors can use EBFCs while eliminating the need for an external power source. This review details improvements in EBFC and catalyst arrangements that will help to achieve complete substrate oxidation and to increase the number of collected electrons. It also describes how analytical techniques can be employed to follow the intermediates between the enzymes within the enzymatic cascade. We aim to demonstrate how a high-performance self-powered sensor design based on EBFCs developed for ethanol detection can be adapted and implemented in power devices for biosensing applications.
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Tang J, Yan X, Huang W, Engelbrekt C, Duus JØ, Ulstrup J, Xiao X, Zhang J. Bilirubin oxidase oriented on novel type three-dimensional biocathodes with reduced graphene aggregation for biocathode. Biosens Bioelectron 2020; 167:112500. [PMID: 32829175 DOI: 10.1016/j.bios.2020.112500] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/04/2020] [Accepted: 08/04/2020] [Indexed: 11/29/2022]
Abstract
Aggregation of reduced graphene oxide (RGO) due to π-π stacking is a recurrent problem in graphene-based electrochemistry, decreasing the effective working area and therefore the performance of the RGO electrodes. Dispersing RGO on three-dimensional (3D) carbon paper electrodes is one strategy towards overcoming this challenge, with partial relief aggregation. In this report, we describe the grafting of negatively charged 4-aminobenzoic acid (4-ABA) onto a graphene functionalized carbon paper electrode surface. 4-ABA functionalization induces separation of the RGO layers, at the same time leading to favorable orientation of the blue multi-copper enzyme Myrothecium verrucaria bilirubin oxidase (MvBOD) for direct electron transfer (DET) in the dioxygen reduction reaction (ORR) at neutral pH. Simultaneous electroreduction of graphene oxide to RGO and covalent attachment of 4-ABA are achieved by applying alternating cathodic and anodic electrochemical potential pulses, leading to a high catalytic current density (Δjcat:193 ± 4 μA cm-2) under static conditions. Electrochemically grafted 4-ABA not only leads to a favorable orientation of BOD as validated by fitting a kinetic model to the electrocatalytic data, but also acts to alleviate RGO aggregation as disclosed by scanning electron microscopy, most likely due to the electrostatic repulsion between 4-ABA-grafted graphene layers. With a half-lifetime of 55 h, the bioelectrode also shows the highest operational stability for DET-type MvBOD-based bioelectrodes reported to date. The bioelectrode was finally shown to work well as a biocathode of a membrane-less glucose/O2 enzymatic biofuel cell with a maximum power density of 22 μW cm-2 and an open circuit voltage of 0.51 V.
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Affiliation(s)
- Jing Tang
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark
| | - Xiaomei Yan
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark
| | - Wei Huang
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark
| | - Christian Engelbrekt
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark
| | - Jens Øllgaard Duus
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark
| | - Jens Ulstrup
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark; Kazan National Research Technological University, K. Marx Str., 68, 420015, Kazan, Republic of Tatarstan, Russia
| | - Xinxin Xiao
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark.
| | - Jingdong Zhang
- Department of Chemistry, Technical University of Denmark, Kongens Lyngby, 2800, Denmark.
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Arunasri K, Yeruva DK, Vamshi Krishna K, Venkata Mohan S. Monitoring metabolic pathway alterations in Escherichia coli due to applied potentials in microbial electrochemical system. Bioelectrochemistry 2020; 134:107530. [DOI: 10.1016/j.bioelechem.2020.107530] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/27/2020] [Accepted: 04/04/2020] [Indexed: 12/18/2022]
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8
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Wan J, Mi L, Tian Z, Li Q, Liu S. A single-liquid miniature biofuel cell with boosting power density via gas diffusion bioelectrodes. J Mater Chem B 2020; 8:3550-3556. [PMID: 31834338 DOI: 10.1039/c9tb02100k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The low solubility of gas molecules in aqueous solutions has limited the power density output of enzymatic biofuel cells. Herein, a single-liquid miniature glucose-O2 fuel cell was constructed by using gas diffusion electrodes, which were prepared by immobilizing glucose oxidase (GOx) or laccase (Lac) modified on a porous structured carbon paper (CP). Due to the fast and direct O2 diffusion from air to the active sites of the immobilized enzyme through the pores of the CP anode/cathode with controlled wettability, the maximum power output densities dramatically increased to 9.64 μW cm-2 at 0.43 V and 53.0 μW cm-2 at 0.45 V for the cell in 5 mM glucose and after exposing the cell to air or O2 atmosphere, respectively. Interestingly, the resulting single-liquid cell could harvest power from human serum operating at a maximum power density of 49.0 μW cm-2 at 0.2 V. The biofuel cell fabricated by the gas diffusion electrodes displayed advantages such as high output power density, low cost and high 'on-chip' integrability and miniaturization, which suggest its great potential for implantable self-powered sensors and for many future applications.
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Affiliation(s)
- Jing Wan
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device (CMD), School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
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Poli F, Seri J, Santoro C, Soavi F. Boosting Microbial Fuel Cell Performance by Combining with an External Supercapacitor: An Electrochemical Study. ChemElectroChem 2020. [DOI: 10.1002/celc.201901876] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Federico Poli
- Department of Chemistry “Giacomo Ciamician” Alma Mater StudiorumUniversita di Bologna Via Selmi, 2 40126 Bologna Italy
| | - Jacopo Seri
- Department of Chemistry “Giacomo Ciamician” Alma Mater StudiorumUniversita di Bologna Via Selmi, 2 40126 Bologna Italy
| | - Carlo Santoro
- Bristol BioEnergy Centre Bristol Robotics Laboratory T-BlockUniversity West of England Coldharbour Lane Bristol BS16 1QY UK
| | - Francesca Soavi
- Department of Chemistry “Giacomo Ciamician” Alma Mater StudiorumUniversita di Bologna Via Selmi, 2 40126 Bologna Italy
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Wang K, Du L, Wei Q, Zhang J, Zhang G, Xing W, Sun S. A Lactate/Oxygen Biofuel Cell: The Coupled Lactate Oxidase Anode and PGM-Free Fe-N-C Cathode. ACS APPLIED MATERIALS & INTERFACES 2019; 11:42744-42750. [PMID: 31638769 DOI: 10.1021/acsami.9b14486] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The rapid development of both wearable and implantable biofuel cells has triggered more and more attention on the lactate biofuel cell. The novel lactate/oxygen biofuel cell (L/O-BFC) with the direct electron transfer (DET)-type lactate oxidase (LOx) anode and the platinum group metal (PGM)-free Fe-N-C cathode is designed and constructed in this paper. In such a reasonable design, the surface-controlled direct two-electron electrochemical reaction of the lactate oxidase was determined by cyclic voltammetry (CV) on the carbon nanotube (CNT) modified electrode with favorable high electrochemical active surface area and electronic conductivity. Additionally, the biosensor based on DET-type LOx modified electrode impressively presented linear response to lactate with different concentrations from 0.000 mM to 12.300 mM. In particular, the apparent Michealis-constant (KMapp) calculated as 0.140 mM clearly indicates that LOx on CNT has strong affinity to the substrate lactate. Meanwhile, 4e- transfer oxygen reduction reaction (ORR) was proven to take place on the Fe-N-C catalysts inthe 0.1 M PBS system, indicating the advantage by using the Fe-N-C catalysts at the cathode of L/O-BFC. Last but not least, the L/O-BFC with the direct electron transfer (DET)-type lactate oxidase(LOx) anode and the Fe-N-C cathode produced an superior open circuit potential (OCP) of 0.264 V and a maximum output power density (OPD) of 24.430 μW cm-2 in O2 saturated 95.020 mM lactate solution. The above results will not only bring about significant interest in developing a DET-type biofuel cell, but also offer guiding direction to explore novel catalyst materials for the biofuel cell. This work enriches the research content and may push developments of the implantable and wearable biofuel cell forward.
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Affiliation(s)
- Kunqi Wang
- Key Laboratory of Urban Sewage Treatment of Jilin Province, Department of Applied Chemistry , Changchun Institute of Technology , 130021 , Changchun , China
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Lei Du
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Qiliang Wei
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Jihai Zhang
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Gaixia Zhang
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Wei Xing
- State Key Laboratory of Electroanalytical Chemistry, Jilin Province Key Laboratory of Low Carbon Chemical Power , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , 130022 Changchun , China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
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Pei M, Zhang B, He Y, Su J, Gin K, Lev O, Shen G, Hu S. State of the art of tertiary treatment technologies for controlling antibiotic resistance in wastewater treatment plants. ENVIRONMENT INTERNATIONAL 2019; 131:105026. [PMID: 31351383 DOI: 10.1016/j.envint.2019.105026] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 07/15/2019] [Accepted: 07/15/2019] [Indexed: 05/27/2023]
Abstract
Antibiotic resistance genes (ARGs) have been considered as emerging contaminants of concern nowadays. There are no special technologies designed to directly remove ARGs in wastewater treatment plants (WWTPs). In order to reduce the risk of ARGs, it is vital to understand the efficiency of advanced treatment technologies in removing antibiotic resistance genes in WWTPs. This review highlights the application and efficiency of tertiary treatment technologies on the elimination of ARGs, s, based on an understanding of their occurrence and fate in WWTPs. These technologies include chemical-based processes such as chlorination, ozonation, ultraviolet, and advanced oxidation technology, as well as physical separation processes, biological processes such as constructed wetland and membrane bioreactor, and soil aquifer treatment. The merits, limitations and ameliorative measures of these processes are discussed, with the view to optimizing future treatment strategies and identifying new research directions.
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Affiliation(s)
- Mengke Pei
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Bo Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jianqiang Su
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Karina Gin
- Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore
| | - Ovadia Lev
- The Casali Center and the Institute of Chemistry and The Harvey M. Krueger Family Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem 91904, Israel
| | - Genxiang Shen
- Shanghai Academy of Environmental Sciences, Shanghai 200233, China
| | - Shuangqing Hu
- Shanghai Academy of Environmental Sciences, Shanghai 200233, China
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Bhowmick G, Chakraborty I, Ghangrekar M, Mitra A. TiO2/Activated carbon photo cathode catalyst exposed to ultraviolet radiation to enhance the efficacy of integrated microbial fuel cell-membrane bioreactor. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.biteb.2019.100303] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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13
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Xiao X, Xia HQ, Wu R, Bai L, Yan L, Magner E, Cosnier S, Lojou E, Zhu Z, Liu A. Tackling the Challenges of Enzymatic (Bio)Fuel Cells. Chem Rev 2019; 119:9509-9558. [PMID: 31243999 DOI: 10.1021/acs.chemrev.9b00115] [Citation(s) in RCA: 177] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The ever-increasing demands for clean and sustainable energy sources combined with rapid advances in biointegrated portable or implantable electronic devices have stimulated intensive research activities in enzymatic (bio)fuel cells (EFCs). The use of renewable biocatalysts, the utilization of abundant green, safe, and high energy density fuels, together with the capability of working at modest and biocompatible conditions make EFCs promising as next generation alternative power sources. However, the main challenges (low energy density, relatively low power density, poor operational stability, and limited voltage output) hinder future applications of EFCs. This review aims at exploring the underlying mechanism of EFCs and providing possible practical strategies, methodologies and insights to tackle these issues. First, this review summarizes approaches in achieving high energy densities in EFCs, particularly, employing enzyme cascades for the deep/complete oxidation of fuels. Second, strategies for increasing power densities in EFCs, including increasing enzyme activities, facilitating electron transfers, employing nanomaterials, and designing more efficient enzyme-electrode interfaces, are described. The potential of EFCs/(super)capacitor combination is discussed. Third, the review evaluates a range of strategies for improving the stability of EFCs, including the use of different enzyme immobilization approaches, tuning enzyme properties, designing protective matrixes, and using microbial surface displaying enzymes. Fourth, approaches for the improvement of the cell voltage of EFCs are highlighted. Finally, future developments and a prospective on EFCs are envisioned.
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Affiliation(s)
- Xinxin Xiao
- Institute for Biosensing, and College of Life Sciences , Qingdao University , 308 Ningxia Road , Qingdao 266071 , China.,Department of Chemical Sciences and Bernal Institute , University of Limerick , Limerick V94 T9PX , Ireland
| | - Hong-Qi Xia
- Institute for Biosensing, and College of Life Sciences , Qingdao University , 308 Ningxia Road , Qingdao 266071 , China
| | - Ranran Wu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , 32 West seventh Road, Tianjin Airport Economic Area , Tianjin 300308 , China
| | - Lu Bai
- Institute for Biosensing, and College of Life Sciences , Qingdao University , 308 Ningxia Road , Qingdao 266071 , China
| | - Lu Yan
- Institute for Biosensing, and College of Life Sciences , Qingdao University , 308 Ningxia Road , Qingdao 266071 , China
| | - Edmond Magner
- Department of Chemical Sciences and Bernal Institute , University of Limerick , Limerick V94 T9PX , Ireland
| | - Serge Cosnier
- Université Grenoble-Alpes , DCM UMR 5250, F-38000 Grenoble , France.,Département de Chimie Moléculaire , UMR CNRS, DCM UMR 5250, F-38000 Grenoble , France
| | - Elisabeth Lojou
- Aix Marseille Univ, CNRS, BIP, Bioénergétique et Ingénierie des Protéines UMR7281 , Institut de Microbiologie de la Méditerranée, IMM , FR 3479, 31, chemin Joseph Aiguier 13402 Marseille , Cedex 20 , France
| | - Zhiguang Zhu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences , 32 West seventh Road, Tianjin Airport Economic Area , Tianjin 300308 , China
| | - Aihua Liu
- Institute for Biosensing, and College of Life Sciences , Qingdao University , 308 Ningxia Road , Qingdao 266071 , China.,College of Chemistry & Chemical Engineering , Qingdao University , 308 Ningxia Road , Qingdao 266071 , China.,School of Pharmacy, Medical College , Qingdao University , Qingdao 266021 , China
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15
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Ottoni CA, Simões MF, Santos JG, Peixoto L, Martins CR, Silva BP, Neto AO, Brito AG, Maiorano AE. Application of microbial fuel cell technology for vinasse treatment and bioelectricity generation. Biotechnol Lett 2018; 41:107-114. [PMID: 30443879 DOI: 10.1007/s10529-018-2624-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 11/12/2018] [Indexed: 10/27/2022]
Abstract
OBJECTIVE Our study evaluated the performance of different two-chambered microbial fuel cell (MFC) prototypes, operated with variable distance between electrodes and Nafion membrane and specific inoculum concentration, applied for vinasse treatment. RESULTS The performance of the developed MFC resulted in a maximum current density of 1200 mA m-2 and power density of 800 mW m-2 in a period of 61 days. MFC performed a chemical oxygen demand removal at a rate ranging from 51 to 60%. CONCLUSIONS Taking our preliminary results into consideration, we concluded that the MFC technology presents itself as highly promising for the treatment of vinasse.
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Affiliation(s)
- Cristiane Angélica Ottoni
- São Paulo State University (UNESP), Bioscience Institute, São Vicente, SP, 11380-972, Brazil. .,Laboratório de Biotecnologia Industrial, Instituto de Pesquisas Tecnológicas do Estado de São Paulo, São Paulo, SP, 05508-901, Brazil.
| | - Marta F Simões
- Biology Department, Edge Hill University, St Helens Road, Lancashire, Ormskirk, L39 4QP, UK
| | - Jonas G Santos
- Laboratório de Biotecnologia Industrial, Instituto de Pesquisas Tecnológicas do Estado de São Paulo, São Paulo, SP, 05508-901, Brazil
| | - Luciana Peixoto
- Centre of Biological Engineering, University of Minho, Campus of Gualtar, 4710-057, Braga, Portugal
| | - Cleiton R Martins
- São Paulo State University (UNESP), Bioscience Institute, São Vicente, SP, 11380-972, Brazil
| | - Bruno P Silva
- São Paulo State University (UNESP), Bioscience Institute, São Vicente, SP, 11380-972, Brazil
| | - Almir O Neto
- Centro de Célula a Combustível e Hidrogênio, Instituto de Pesquisas Energéticas e Nucleares, São Paulo, SP, 05508-000, Brazil
| | - António G Brito
- Department of Biosystems Sciences and Engineering, Institute of Agronomy, University of Lisbon, Tapada da Ajuda, 1349-017, Lisbon, Portugal
| | - Alfredo E Maiorano
- Laboratório de Biotecnologia Industrial, Instituto de Pesquisas Tecnológicas do Estado de São Paulo, São Paulo, SP, 05508-901, Brazil
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16
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Pagnoncelli KC, Pereira AR, Sedenho GC, Bertaglia T, Crespilho FN. Ethanol generation, oxidation and energy production in a cooperative bioelectrochemical system. Bioelectrochemistry 2018; 122:11-25. [PMID: 29510261 DOI: 10.1016/j.bioelechem.2018.02.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 02/14/2018] [Accepted: 02/25/2018] [Indexed: 11/26/2022]
Abstract
Integrating in situ biofuel production and energy conversion into a single system ensures the production of more robust networks as well as more renewable technologies. For this purpose, identifying and developing new biocatalysts is crucial. Herein, is reported a bioelectrochemical system consisting of alcohol dehydrogenase (ADH) and Saccharomyces cerevisiae, wherein both function cooperatively for ethanol production and its bioelectrochemical oxidation. Here, it is shown that it is possible to produce ethanol and use it as a biofuel in a tandem manner. The strategy is to employ flexible carbon fibres (FCF) electrode that could adsorb both the enzyme and the yeast cells. Glucose is used as a substrate for the yeast for the production of ethanol, while the enzyme is used to catalyse the oxidation of ethanol to acetaldehyde. Regarding the generation of reliable electricity based on electrochemical systems, the biosystem proposed in this study operates at a low temperature and ethanol production is proportional to the generated current. With further optimisation of electrode design, we envision the use of the cooperative biofuel cell for energy conversion and management of organic compounds.
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Affiliation(s)
- Kamila C Pagnoncelli
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil
| | - Andressa R Pereira
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil
| | - Graziela C Sedenho
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil
| | - Thiago Bertaglia
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil
| | - Frank N Crespilho
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP 13560-970, Brazil.
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17
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Lee CY, Reuillard B, Sokol KP, Laftsoglou T, Lockwood CWJ, Rowe SF, Hwang ET, Fontecilla-Camps JC, Jeuken LJC, Butt JN, Reisner E. A decahaem cytochrome as an electron conduit in protein-enzyme redox processes. Chem Commun (Camb) 2018; 52:7390-3. [PMID: 27193068 DOI: 10.1039/c6cc02721k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The decahaem cytochrome MtrC from Shewanella oneidensis MR-1 was employed as a protein electron conduit between a porous indium tin oxide electrode and redox enzymes. Using a hydrogenase and a fumarate reductase, MtrC was shown as a suitable and efficient diode to shuttle electrons to and from the electrode with the MtrC redox activity regulating the direction of the enzymatic reactions.
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Affiliation(s)
- Chong-Yong Lee
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
| | - Bertrand Reuillard
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
| | - Katarzyna P Sokol
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
| | - Theodoros Laftsoglou
- School of Biomedical Sciences and the Astbury Centre, University of Leeds, Leeds, LS2 9JT, UK.
| | - Colin W J Lockwood
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
| | - Sam F Rowe
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
| | - Ee Taek Hwang
- School of Biomedical Sciences and the Astbury Centre, University of Leeds, Leeds, LS2 9JT, UK.
| | - Juan C Fontecilla-Camps
- Metalloproteins Unit, Institut de Biologie Structurale, CEA, CNRS, Université Grenoble Alpes, 38044 Grenoble, France
| | - Lars J C Jeuken
- School of Biomedical Sciences and the Astbury Centre, University of Leeds, Leeds, LS2 9JT, UK.
| | - Julea N Butt
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
| | - Erwin Reisner
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
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18
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Chen J, Munje R, Godman NP, Prasad S, Glatzhofer DT, Schmidtke DW. Improved Performance of Glucose Bioanodes Using Composites of (7,6) Single-Walled Carbon Nanotubes and a Ferrocene-LPEI Redox Polymer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:7591-7599. [PMID: 28742363 DOI: 10.1021/acs.langmuir.7b00718] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The effect of incorporating different types of carbon nanotubes into composite films of a redox polymer (FcMe2-C3-LPEI) and glucose oxidase (GOX) was investigated. The composite films were constructed by first forming a high-surface area network film of either single-walled carbon nanotubes (SWNTs) or multiwalled carbon nanotubes (MWNTs) on a glassy carbon electrode (GCE) by solution casting of a suspension of Triton-X-100 dispersed SWNTs. Next a glucose responsive redox hydrogel was formed on top of the nanotube-modified electrode by cross-linking FcMe2-C3-LPEI with glucose oxidase via ethylene glycol diglycidyl ether (EGDGE). Electrochemical and enzymatic measurements showed that composite films made with (7,6) SWNTs produced a higher response (3.3 mA/cm2) to glucose than films made with (6,5) SWNTs (1.8 mA/cm2) or MWNTs (1.2 mA/cm2) or films made without SWNTs (0.7 mA/cm2). We also show that the response of the composite films could be systematically varied by fabricating SWNT films with different weight ratios of (7,6) and (6,5) SWNTs. Optimization of the (7,6) SWNTs loading and the redox polymer-enzyme film produced a glucose response of 11.2 mA/cm2. Combining the optimized glucose films with a platinum oxygen breathing cathode into a biofuel cell produced a maximum power density output of 343 μW/cm2.
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Affiliation(s)
- Jie Chen
- Department of Bioengineering, University of Texas at Dallas , 800 W. Campbell Rd., Richardson, Texas 75083, United States
| | - Rujuta Munje
- Department of Bioengineering, University of Texas at Dallas , 800 W. Campbell Rd., Richardson, Texas 75083, United States
| | | | - Shalini Prasad
- Department of Bioengineering, University of Texas at Dallas , 800 W. Campbell Rd., Richardson, Texas 75083, United States
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19
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Santoro C, Arbizzani C, Erable B, Ieropoulos I. Microbial fuel cells: From fundamentals to applications. A review. JOURNAL OF POWER SOURCES 2017; 356:225-244. [PMID: 28717261 PMCID: PMC5465942 DOI: 10.1016/j.jpowsour.2017.03.109] [Citation(s) in RCA: 527] [Impact Index Per Article: 75.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 03/23/2017] [Indexed: 05/03/2023]
Abstract
In the past 10-15 years, the microbial fuel cell (MFC) technology has captured the attention of the scientific community for the possibility of transforming organic waste directly into electricity through microbially catalyzed anodic, and microbial/enzymatic/abiotic cathodic electrochemical reactions. In this review, several aspects of the technology are considered. Firstly, a brief history of abiotic to biological fuel cells and subsequently, microbial fuel cells is presented. Secondly, the development of the concept of microbial fuel cell into a wider range of derivative technologies, called bioelectrochemical systems, is described introducing briefly microbial electrolysis cells, microbial desalination cells and microbial electrosynthesis cells. The focus is then shifted to electroactive biofilms and electron transfer mechanisms involved with solid electrodes. Carbonaceous and metallic anode materials are then introduced, followed by an explanation of the electro catalysis of the oxygen reduction reaction and its behavior in neutral media, from recent studies. Cathode catalysts based on carbonaceous, platinum-group metal and platinum-group-metal-free materials are presented, along with membrane materials with a view to future directions. Finally, microbial fuel cell practical implementation, through the utilization of energy output for practical applications, is described.
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Affiliation(s)
- Carlo Santoro
- Department of Chemical and Biological Engineering, Center Micro-Engineered Materials (CMEM), University of New Mexico, 87106, Albuquerque, NM, USA
| | - Catia Arbizzani
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Benjamin Erable
- University of Toulouse, CNRS, Laboratoire de Génie Chimique, CAMPUS INP – ENSIACET, 4 Allée Emile Monso, CS 84234, 31432, Toulouse Cedex 4, France
| | - Ioannis Ieropoulos
- Bristol BioEnergy Centre, Bristol Robotics Laboratory, T Block, University of the West of England, Frenchay Campus, Coldharbour Ln, Bristol, BS16 1QY, United Kingdom
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20
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Zhang S, Song HL, Yang XL, Huang S, Dai ZQ, Li H, Zhang YY. Dynamics of antibiotic resistance genes in microbial fuel cell-coupled constructed wetlands treating antibiotic-polluted water. CHEMOSPHERE 2017; 178:548-555. [PMID: 28351013 DOI: 10.1016/j.chemosphere.2017.03.088] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 02/11/2017] [Accepted: 03/19/2017] [Indexed: 06/06/2023]
Abstract
Microbial fuel cell-coupled constructed wetlands (CW-MFCs) use electrochemical, biological, and ecological functions to treat wastewater. However, few studies have investigated the risks of antibiotic resistance genes (ARGs) when using such systems to remove antibiotics. Therefore, three CW-MFCs were designed to assess the dynamics of ARGs in filler biofilm and effluent over 5000 h of operation. The experimental results indicated that relatively high steady voltages of 605.8 mV, 613.7 mV, and 541.4 mV were obtained at total influent antibiotic concentrations of 400, 1,000, and 1600 μg L-1, respectively. The 16S rRNA gene level in the cathode layer was higher than those in the anode and two middle layers, but the opposite trend was observed for the sul and tet genes. The relative abundance of the three tested sul genes were in the order sulI > sulII > sulIII, and those of the five tet genes were in the order tetA > tetC > tetW > tetO > tetQ. The levels of sul and tet genes in the media biofilm showed an increase over the treatment period. The effluent water had relatively low abundances of sul and tet genes compared with the filler biofilm. No increases were observed for most ARGs over the treatment period, and no significant correlations were observed between the ARGs and 16S rRNA gene copy numbers, except for sulI and tetW in the effluent. However, significant correlations were observed among most of the ARG copy numbers.
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Affiliation(s)
- Shuai Zhang
- School of Energy and Environment, Southeast University, Nanjing 210096, China.
| | - Hai-Liang Song
- School of Energy and Environment, Southeast University, Nanjing 210096, China.
| | - Xiao-Li Yang
- School of Civil Engineering, Southeast University, Nanjing 210096, China.
| | - Shan Huang
- School of Energy and Environment, Southeast University, Nanjing 210096, China.
| | - Zhe-Qin Dai
- School of Energy and Environment, Southeast University, Nanjing 210096, China.
| | - Hua Li
- School of Energy and Environment, Southeast University, Nanjing 210096, China.
| | - Yu-Yue Zhang
- School of Energy and Environment, Southeast University, Nanjing 210096, China.
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21
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Destruction of tetracycline hydrochloride antibiotics by FeOOH/TiO2 granular activated carbon as expanded cathode in low-cost MBR/MFC coupled system. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2016.10.047] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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22
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Mani P, Keshavarz T, Chandra TS, Kyazze G. Decolourisation of Acid orange 7 in a microbial fuel cell with a laccase-based biocathode: Influence of mitigating pH changes in the cathode chamber. Enzyme Microb Technol 2016; 96:170-176. [PMID: 27871379 DOI: 10.1016/j.enzmictec.2016.10.012] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 10/16/2016] [Accepted: 10/17/2016] [Indexed: 11/25/2022]
Abstract
Biocathodes may be a suitable replacement of platinum in microbial fuel cells (MFCs) if the cost of MFCs is to be reduced. However, the use of enzymes as bio-cathodes is fraught with loss of activity as time progresses. A possible cause of this loss in activity might be pH increase in the cathode as pH gradients in MFCs are well known. This pH increase is however, accompanied by simultaneous increase in salinity; therefore salinity may be a confounding variable. This study investigated various ways of mitigating pH changes in the cathode of MFCs and their effect on laccase activity and decolourisation of a model azo dye Acid orange 7 in the anode chamber. Experiments were run with catholyte pH automatically controlled via feedback control or by using acetate buffers (pH 4.5) of various strength (100mM and 200mM), with CMI7000 as the cation exchange membrane. A comparison was also made between use of CMI7000 and Nafion 117 as the transport properties of cations for both membranes (hence their potential effects on pH changes in the cathode) are different. Results show that using Nafion 117 membrane limits salinity and pH changes in the cathode (100mM acetate buffer as catholyte) leading to prolonged laccase activity and faster AO7 decolourisation compared to using CMI7000 as a membrane; similarly automatic pH control in the cathode chamber was found to be better than using 200mM acetate buffer. It is suggested that while pH control in the cathode chamber is important, it does not guarantee sustained laccase activity; as salinity increases affect the activity and it could be mitigated using a cation selective membrane.
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Affiliation(s)
- Priyadharshini Mani
- Faculty of Science and Technology, University of Westminster, London W1W 6UW, United Kingdom.
| | - Taj Keshavarz
- Faculty of Science and Technology, University of Westminster, London W1W 6UW, United Kingdom
| | - T S Chandra
- Department of Biotechnology, Indian Institute of Technology-Madras, Chennai-36, India
| | - Godfrey Kyazze
- Faculty of Science and Technology, University of Westminster, London W1W 6UW, United Kingdom
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23
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Rudolph D, Bates D, DiChristina TJ, Mizaikoff B, Kranz C. Detection of Metal-reducing Enzyme Complexes by Scanning Electrochemical Microscopy. ELECTROANAL 2016. [DOI: 10.1002/elan.201600333] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Douglas Rudolph
- School of Chemistry and Biochemistry; Georgia Institute of Technology; Atlanta GA 30332-0230 U.S.A
| | - David Bates
- School of Biology; Georgia Institute of Technology; Atlanta GA 30332-0230 U.S.A
| | | | - Boris Mizaikoff
- Institute of Analytical and Bioanalytical Chemistry; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Christine Kranz
- Institute of Analytical and Bioanalytical Chemistry; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
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24
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Yazdi AA, D'Angelo L, Omer N, Windiasti G, Lu X, Xu J. Carbon nanotube modification of microbial fuel cell electrodes. Biosens Bioelectron 2016; 85:536-552. [PMID: 27213269 DOI: 10.1016/j.bios.2016.05.033] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 04/21/2016] [Accepted: 05/08/2016] [Indexed: 12/20/2022]
Abstract
The use of carbon nanotubes (CNTs) for energy harvesting devices is preferable due to their unique mechanical, thermal, and electrical properties. On the other hand, microbial fuel cells (MFCs) are promising devices to recover carbon-neutral energy from the organic matters, and have been hindered with major setbacks towards commercialization. Nanoengineered CNT-based materials show remarkable electrochemical properties, and therefore have provided routes towards highly effective modification of MFC compartments to ultimately reach the theoretical limits of biomass energy recovery, low-cost power production, and thus the commercialization of MFCs. Moreover, these CNT-based composites offer significant flexibility in the design of MFCs that enable their use for a broad spectrum of applications ranging from scaled-up power generation to medically related devices. This article reviews the recent advances in the modification of MFCs using CNTs and CNT-based composites, and the extent to which each modification route impacts MFC power and current generation.
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Affiliation(s)
- Alireza Ahmadian Yazdi
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Lorenzo D'Angelo
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Nada Omer
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Gracia Windiasti
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Xiaonan Lu
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Jie Xu
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA.
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25
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Self-powered supercapacitive microbial fuel cell: The ultimate way of boosting and harvesting power. Biosens Bioelectron 2016; 78:229-235. [DOI: 10.1016/j.bios.2015.11.026] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 10/26/2015] [Accepted: 11/10/2015] [Indexed: 11/22/2022]
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26
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Santoro C, Babanova S, Erable B, Schuler A, Atanassov P. Bilirubin oxidase based enzymatic air-breathing cathode: Operation under pristine and contaminated conditions. Bioelectrochemistry 2016; 108:1-7. [DOI: 10.1016/j.bioelechem.2015.10.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 10/16/2015] [Accepted: 10/23/2015] [Indexed: 11/25/2022]
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27
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Zhang S, Song HL, Yang XL, Yang YL, Yang KY, Wang XY. Fate of tetracycline and sulfamethoxazole and their corresponding resistance genes in microbial fuel cell coupled constructed wetlands. RSC Adv 2016. [DOI: 10.1039/c6ra20509g] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
CW-MFC could significantly reduce the concentrations of TC and SMX in wastewater.
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Affiliation(s)
- Shuai Zhang
- School of Energy and Environment
- Southeast University
- Nanjing 210096
- China
| | - Hai-Liang Song
- School of Energy and Environment
- Southeast University
- Nanjing 210096
- China
| | - Xiao-Li Yang
- School of Civil Engineering
- Southeast University
- Nanjing 210096
- China
| | - Yu-Li Yang
- School of Civil Engineering
- Southeast University
- Nanjing 210096
- China
| | - Ke-Yun Yang
- School of Energy and Environment
- Southeast University
- Nanjing 210096
- China
| | - Xiao-Yang Wang
- School of Civil Engineering
- Southeast University
- Nanjing 210096
- China
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28
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Mecheri B, Iannaci A, D'Epifanio A, Mauri A, Licoccia S. Carbon-Supported Zirconium Oxide as a Cathode for Microbial Fuel Cell Applications. Chempluschem 2015; 81:80-85. [DOI: 10.1002/cplu.201500347] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Indexed: 12/14/2022]
Affiliation(s)
- Barbara Mecheri
- Department of Chemical Sciences and Technologies; University of Rome Tor Vergata; Via della Ricerca Scientifica 00133 Rome Italy
| | - Alessandro Iannaci
- Department of Chemical Sciences and Technologies; University of Rome Tor Vergata; Via della Ricerca Scientifica 00133 Rome Italy
| | - Alessandra D'Epifanio
- Department of Chemical Sciences and Technologies; University of Rome Tor Vergata; Via della Ricerca Scientifica 00133 Rome Italy
| | - Arianna Mauri
- Department of Chemical Sciences and Technologies; University of Rome Tor Vergata; Via della Ricerca Scientifica 00133 Rome Italy
| | - Silvia Licoccia
- Department of Chemical Sciences and Technologies; University of Rome Tor Vergata; Via della Ricerca Scientifica 00133 Rome Italy
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29
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Aghababaie M, Farhadian M, Jeihanipour A, Biria D. Effective factors on the performance of microbial fuel cells in wastewater treatment – a review. ACTA ACUST UNITED AC 2015. [DOI: 10.1080/09593330.2015.1077896] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Marzieh Aghababaie
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran
| | - Mehrdad Farhadian
- Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
| | - Azam Jeihanipour
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran
- Department of Chemistry and Biosciences, Institute of Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, Karlsruhe 76131, Germany
| | - David Biria
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran
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30
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Horst AE, Mangold KM, Holtmann D. Application of gas diffusion electrodes in bioelectrochemical syntheses and energy conversion. Biotechnol Bioeng 2015; 113:260-7. [DOI: 10.1002/bit.25698] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 07/01/2015] [Accepted: 07/01/2015] [Indexed: 02/02/2023]
Affiliation(s)
- Angelika E.W. Horst
- DECHEMA Research Institute; Biochemical Engineering; Frankfurt am Main Germany
| | | | - Dirk Holtmann
- DECHEMA Research Institute; Biochemical Engineering; Frankfurt am Main Germany
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31
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Rousseau G, Zhang S, Oms O, Dolbecq A, Marrot J, Liu R, Shang X, Zhang G, Keita B, Mialane P. Sequential Synthesis of 3 d-3 d, 3 d-4 d, and 3 d-5 d Hybrid Polyoxometalates and Application to the Electrocatalytic Oxygen Reduction Reactions. Chemistry 2015; 21:12153-60. [DOI: 10.1002/chem.201501609] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Indexed: 11/09/2022]
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32
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Electricity production from Azo dye wastewater using a microbial fuel cell coupled constructed wetland operating under different operating conditions. Biosens Bioelectron 2015; 68:135-141. [DOI: 10.1016/j.bios.2014.12.047] [Citation(s) in RCA: 174] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Accepted: 12/22/2014] [Indexed: 11/24/2022]
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33
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Babanova S, Bretschger O, Roy J, Cheung A, Artyushkova K, Atanassov P. Innovative statistical interpretation of Shewanella oneidensis microbial fuel cells data. Phys Chem Chem Phys 2015; 16:8956-69. [PMID: 24691574 DOI: 10.1039/c4cp00566j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The last decade of research has made significant strides toward practical applications of Microbial Fuel Cells (MFCs); however, design improvements and operational optimization cannot be realized without equally considering engineering designs and biological interfacial reactions. In this study, the main factors contributing to MFCs' overall performance and their influence on MFC reproducibility are discussed. Two statistical approaches were used to create a map of MFC components and their expanded uncertainties, principal component analysis (PCA) and uncertainty of measurement results (UMR). PCA was used to identify the major factors influencing MFCs and to determine their ascendency over MFC operational characteristics statistically. UMR was applied to evaluate the factors' uncertainties and estimate their level of contribution to the final irreproducibility. In order to simplify the presentation and concentrate on the MFC components, only results from Shewanella spp. were included; however, a similar analysis could be applied for any DMRB or microbial community. The performed PCA/UMR analyses suggest that better reproducibility of MFC performance can be achieved through improved design parameters. This approach is exactly opposite to the MFC optimization and scale up approach, which should start with improving the bacteria-electrode interactions and applying these findings to well-designed systems.
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Affiliation(s)
- Sofia Babanova
- Chemical and Nuclear Engineering Department, Center for Emerging Energy Technologies, University of New Mexico, Albuquerque, NM 87131, USA.
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Artyushkova K, Cornejo JA, Ista LK, Babanova S, Santoro C, Atanassov P, Schuler AJ. Relationship between surface chemistry, biofilm structure, and electron transfer in Shewanella anodes. Biointerphases 2015; 10:019013. [PMID: 25743616 PMCID: PMC5849046 DOI: 10.1116/1.4913783] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Revised: 02/13/2015] [Accepted: 02/18/2015] [Indexed: 11/17/2022] Open
Abstract
A better understanding of how anode surface properties affect growth, development, and activity of electrogenic biofilms has great potential to improve the performance of bioelectrochemical systems such as microbial fuel cells. The aim of this paper was to determine how anodes with specific exposed functional groups (-N(CH3)3 (+), -COOH, -OH, and -CH3), created using ω-substituted alkanethiolates self-assembled monolayers attached to gold, affect the surface properties and functional performance of electrogenic Shewanella oneidensis MR-1 biofilms. A combination of spectroscopic, microscopic, and electrochemical techniques was used to evaluate how electrode surface chemistry influences morphological, chemical, and functional properties of S. oneidensis MR-1 biofilms, in an effort to develop improved electrode materials and structures. Positively charged, highly functionalized, hydrophilic surfaces were beneficial for growth of uniform biofilms with the smallest cluster sizes and intercluster diffusion distances, and yielding the most efficient electron transfer. The authors derived these parameters based on 3D morphological features of biofilms that were directly linked to functional properties of the biofilm during growth and that, during polarization, were directly connected to the efficiency of electron transfer to the anode. Our results indicate that substratum chemistry affects not only primary attachment, but subsequent biofilm development and bacterial physiology.
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Affiliation(s)
- Kateryna Artyushkova
- Department of Chemical and Biological Engineering, Center for Emerging Energy Technology, The University of New Mexico, Albuquerque, New Mexico 87131
| | - Jose A Cornejo
- Department of Chemical and Biological Engineering, Center for Emerging Energy Technology, The University of New Mexico, Albuquerque, New Mexico 87131
| | - Linnea K Ista
- Department of Chemical and Biological Engineering, Center for Emerging Energy Technology, The University of New Mexico, Albuquerque, New Mexico 87131
| | - Sofia Babanova
- Department of Chemical and Biological Engineering, Center for Emerging Energy Technology, The University of New Mexico, Albuquerque, New Mexico 87131
| | - Carlo Santoro
- Department of Chemical and Biological Engineering, Center for Emerging Energy Technology, The University of New Mexico, Albuquerque, New Mexico 87131
| | - Plamen Atanassov
- Department of Chemical and Biological Engineering, Center for Emerging Energy Technology, The University of New Mexico, Albuquerque, New Mexico 87131
| | - Andrew J Schuler
- Department of Civil Engineering, The University of New Mexico, Albuquerque, New Mexico 87131
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Milton RD, Giroud F, Thumser AE, Minteer SD, Slade RC. Glucose oxidase progressively lowers bilirubin oxidase bioelectrocatalytic cathode performance in single-compartment glucose/oxygen biological fuel cells. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.02.058] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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36
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Liu XW, Li WW, Yu HQ. Cathodic catalysts in bioelectrochemical systems for energy recovery from wastewater. Chem Soc Rev 2014; 43:7718-45. [DOI: 10.1039/c3cs60130g] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Vaghari H, Jafarizadeh-Malmiri H, Berenjian A, Anarjan N. Recent advances in application of chitosan in fuel cells. ACTA ACUST UNITED AC 2013. [DOI: 10.1186/2043-7129-1-16] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Abstract
Fuel cells are electrochemical devices which convert chemical energy into electrical energy. Fuel cells have attracted attention due to their potential as a promising alternative to traditional power sources. More recently, efficient and environmentally benign biopolymer “chitosan” have been extensively investigated as a novel material for its application in fuel cells. This biopolymer can be used in both membrane electrolyte and electrode in various fuel cells such as alkaline polymer electrolyte fuel cells, direct methanol fuel cells and biofuel cells. This review provides an overview of main available fuel cells following by application of chitosan as novel biopolymer in fuel cells technology. Recent achievements are included and recommendations are also given for areas of future research.
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Roy JN, Luckarift HR, Sizemore SR, Farrington KE, Lau C, Johnson GR, Atanassov P. Microbial-enzymatic-hybrid biological fuel cell with optimized growth conditions for Shewanella oneidensis DSP-10. Enzyme Microb Technol 2013; 53:123-7. [DOI: 10.1016/j.enzmictec.2013.03.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 03/19/2013] [Accepted: 03/20/2013] [Indexed: 10/26/2022]
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Bioelectrocatalytic O2 reduction with a laccase-bearing poly(3-methylthiophene) film based on direct electron transfer from the polymer to laccase. Bioelectrochemistry 2013; 91:28-31. [DOI: 10.1016/j.bioelechem.2012.12.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2012] [Revised: 12/17/2012] [Accepted: 12/23/2012] [Indexed: 11/22/2022]
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40
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Liu Y, Du Y, Li CM. Direct Electrochemistry Based Biosensors and Biofuel Cells Enabled with Nanostructured Materials. ELECTROANAL 2013. [DOI: 10.1002/elan.201200555] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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41
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Pankratov DV, Zeifman YS, Morozova OV, Shumakovich GP, Vasil'eva IS, Shleev S, Popov VO, Yaropolov AI. A Comparative Study of Biocathodes Based on Multiwall Carbon Nanotube Buckypapers Modified with Three Different Multicopper Oxidases. ELECTROANAL 2013. [DOI: 10.1002/elan.201200516] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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42
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Higgins SR, Lopez RJ, Pagaling E, Yan T, Cooney MJ. Towards a hybrid anaerobic digester-microbial fuel cell integrated energy recovery system: an overview of the development of an electrogenic biofilm. Enzyme Microb Technol 2013; 52:344-51. [PMID: 23608503 DOI: 10.1016/j.enzmictec.2013.02.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Revised: 02/26/2013] [Accepted: 02/26/2013] [Indexed: 10/27/2022]
Abstract
An electrogenic biofilm was developed on a macroporous chitosan-carbon nanotube (CHIT-CNT) electrode under constant poised potential (-0.25V versus Ag/AgCl reference electrode) and flow through conditions utilizing the effluent of an anaerobic digester as both the inoculant and substrate for the electrogenic biofilm. After 125 days of inoculation the bioelectrode demonstrated an open circuit potential of -0.62V and a current density of 9.43μAcm(-3) (at -0.25V). Scanning electron microscopy images indicate thorough surface coverage of the biofilm with a high density of bacterial nanowires physically connecting bacteria to bacteria and bacteria to carbon nanotube (electrode surface) suggesting the nanowires are electrically conductive. DGGE was used to identify the major bacterial and archaeal populations.
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Affiliation(s)
- Scott R Higgins
- 1680 East West Rd., POST 109, Hawaii Natural Energy Institute, University of Hawaii, Honolulu HI 96822, United States.
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43
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Walcarius A, Minteer SD, Wang J, Lin Y, Merkoçi A. Nanomaterials for bio-functionalized electrodes: recent trends. J Mater Chem B 2013; 1:4878-4908. [DOI: 10.1039/c3tb20881h] [Citation(s) in RCA: 261] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Yang J, Ghobadian S, Goodrich PJ, Montazami R, Hashemi N. Miniaturized biological and electrochemical fuel cells: challenges and applications. Phys Chem Chem Phys 2013; 15:14147-61. [DOI: 10.1039/c3cp50804h] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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45
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Ma J, Sahai Y. Chitosan biopolymer for fuel cell applications. Carbohydr Polym 2012; 92:955-75. [PMID: 23399116 DOI: 10.1016/j.carbpol.2012.10.015] [Citation(s) in RCA: 141] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 10/01/2012] [Accepted: 10/03/2012] [Indexed: 11/29/2022]
Abstract
Fuel cell is an electrochemical device which converts chemical energy stored in a fuel into electrical energy. Fuel cells have been receiving attention due to its potential applicability as a good alternative power source. Recently, cost-effective and eco-friendly biopolymer chitosan has been extensively studied as a material for membrane electrolytes and electrodes in low to intermediate temperature hydrogen polymer electrolyte fuel cell, direct methanol fuel cell, alkaline fuel cell, and biofuel cell. This paper reviews structure and property of chitosan with respect to its applications in fuel cells. Recent achievements and prospect of its applications have also been included.
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Affiliation(s)
- Jia Ma
- Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH 43210, USA
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Liu J, Yong YC, Song H, Li CM. Activation Enhancement of Citric Acid Cycle to Promote Bioelectrocatalytic Activity of arcA Knockout Escherichia coli Toward High-Performance Microbial Fuel Cell. ACS Catal 2012. [DOI: 10.1021/cs3003808] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jing Liu
- School of Chemical and Biomedical Engineering & Centre for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
| | - Yang-Chun Yong
- School of Chemical and Biomedical Engineering & Centre for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
- Biofuels Institute, School of
the Environment, Jiangsu University, 301
Xuefu Road, Zhenjiang 212013, Jiangsu Province, People's Republic
of China
| | - Hao Song
- School of Chemical and Biomedical Engineering & Centre for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
- Singapore
Centre on Environmental
Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, SBS-01n-27, Singapore
637551
| | - Chang Ming Li
- School of Chemical and Biomedical Engineering & Centre for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
- Institute for Clean Energy & Advanced Materials, Southwest University, Chongqing 400715, People's Republic of China
- Chongqing Key Laboratory for Advance Materials and Technologies of Clean Energies, Chongqing 400715, People's Republic of China
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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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48
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Popat SC, Ki D, Rittmann BE, Torres CI. Importance of OH(-) transport from cathodes in microbial fuel cells. CHEMSUSCHEM 2012; 5:1071-1079. [PMID: 22615062 DOI: 10.1002/cssc.201100777] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 02/05/2012] [Indexed: 06/01/2023]
Abstract
Cathodic limitation in microbial fuel cells (MFCs) is considered an important hurdle towards practical application as a bioenergy technology. The oxygen reduction reaction (ORR) needs to occur in MFCs under significantly different conditions compared to chemical fuel cells, including a neutral pH. The common reason cited for cathodic limitation is the difficulty in providing protons to the catalyst sites. Here, we show that it is not the availability of protons, but the transport of OH(-) from the catalyst layer to the bulk liquid that largely governs cathodic potential losses. OH(-) is a product of an ORR mechanism that has not been considered dominant before. The accumulation of OH(-) at the catalyst sites results in an increase in the local cathode pH, resulting in Nernstian concentration losses. For Pt-based gas-diffusion cathodes, using polarization curves developed in unbuffered and buffered solutions, we quantified this loss to be >0.3 V at a current density of 10 Am(-2) . We show that this loss can be partially overcome by replacing the Nafion binder used in the cathode catalyst layer with an anion-conducting binder and by providing additional buffer to the cathode catalyst directly in the form of CO(2) , which results in enhanced OH(-) transport. Our results provide a comprehensive analysis of cathodic limitations in MFCs and should allow researchers to develop and select materials for the construction of MFC cathodes and identify operational conditions that will help minimize Nernstian concentration losses due to pH gradients.
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Affiliation(s)
- Sudeep C Popat
- Swette Center for Environmental Biotechnology, Biodesign Institute, Arizona State University, 727 E Tyler St, Tempe, AZ 85287, USA
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