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Zhang Y, Li J, Yong YC, Fang Z, Liu W, Yan H, Jiang H, Meng J. Efficient butyrate production from rice straw in an optimized cathodic electro-fermentation process. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 336:117695. [PMID: 36907062 DOI: 10.1016/j.jenvman.2023.117695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/25/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Butyrate production from renewable biomass shows great potential against climate change and over-consumption of fossil fuels. Herein, key operational parameters of a cathodic electro-fermentation (CEF) process were optimized for efficient butyrate production from rice straw by mixed culture. The cathode potential, controlled pH and initial substrate dosage were optimized at -1.0 V (vs Ag/AgCl), 7.0 and 30 g/L, respectively. Under the optimal conditions, 12.50 g/L butyrate with yield of 0.51 g/g-rice straw were obtained in batch-operated CEF system. In fed-batch mode, butyrate production significantly increased to 19.66 g/L with the yield of 0.33 g/g-rice straw, but 45.99% butyrate selectivity still needs to be improved in future. Enriched butyrate producing bacteria (Clostridium cluster XIVa and IV) with proportion of 58.75% on the 21st day of the fed-batch fermentation, contributed to the high-level butyrate production. The study provides a promising approach for efficient butyrate production from lignocellulosic biomass.
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Affiliation(s)
- Yafei Zhang
- National Engineering Research Center for Safe Sludge Disposal and Resource Recovery, Harbin Institute of Technology, Harbin, 150090, China; Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Jianzheng Li
- National Engineering Research Center for Safe Sludge Disposal and Resource Recovery, Harbin Institute of Technology, Harbin, 150090, China
| | - Yang-Chun Yong
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Zhen Fang
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Wenbin Liu
- National Engineering Research Center for Safe Sludge Disposal and Resource Recovery, Harbin Institute of Technology, Harbin, 150090, China
| | - Han Yan
- National Engineering Research Center for Safe Sludge Disposal and Resource Recovery, Harbin Institute of Technology, Harbin, 150090, China
| | - Haicheng Jiang
- School of Environmental and Material Engineering, Yantai University, Yantai, 264005, China
| | - Jia Meng
- National Engineering Research Center for Safe Sludge Disposal and Resource Recovery, Harbin Institute of Technology, Harbin, 150090, China.
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Zhang L, Zheng Q, Zhang Z, Li H, Liu X, Sun J, Wang R. Application of Metal-Organic Frameworks (MOFs) in Environmental Biosystems. Int J Mol Sci 2023; 24:2145. [PMID: 36768466 PMCID: PMC9916450 DOI: 10.3390/ijms24032145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/29/2022] [Accepted: 01/04/2023] [Indexed: 01/25/2023] Open
Abstract
Metal-organic frameworks (MOFs) are crystalline materials that are formed by self-assembling organic linkers and metal ions with large specific areas and pore volumes. Their chemical tunability, structural diversity, and tailor-ability make them adaptive to decorate many substrate materials, such as biomass-derived carbon materials, and competitive in many environmental biosystems, such as biofuel cells, bioelectrocatalysts, microbial metal reduction, and fermentation systems. In this review, we surmised the recent progress of MOFs and MOF-derived materials and their applications in environmental biosystems. The behavior of MOFs and MOF-derived materials in different environmental biosystems and their influences on performance are described. The inherent mechanisms will guide the rational design of MOF-related materials and lead to a better understanding of their interaction with biocomponents.
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Affiliation(s)
- Lu Zhang
- Key Laboratory of Bio-Based Material Science & Technology, Ministry of Education, Material Science and Engineering College, Northeast Forestry University, Harbin 150001, China
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, School of Life Science and Technology, Ministry of Education, Harbin Institute of Technology, Harbin 150001, China
| | - Qingwen Zheng
- Key Laboratory of Bio-Based Material Science & Technology, Ministry of Education, Material Science and Engineering College, Northeast Forestry University, Harbin 150001, China
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, School of Life Science and Technology, Ministry of Education, Harbin Institute of Technology, Harbin 150001, China
| | - Zheng Zhang
- Key Laboratory of Bio-Based Material Science & Technology, Ministry of Education, Material Science and Engineering College, Northeast Forestry University, Harbin 150001, China
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, School of Life Science and Technology, Ministry of Education, Harbin Institute of Technology, Harbin 150001, China
| | - Huidong Li
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, School of Life Science and Technology, Ministry of Education, Harbin Institute of Technology, Harbin 150001, China
| | - Xue Liu
- Key Laboratory of Bio-Based Material Science & Technology, Ministry of Education, Material Science and Engineering College, Northeast Forestry University, Harbin 150001, China
| | - Jinzhi Sun
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, School of Life Science and Technology, Ministry of Education, Harbin Institute of Technology, Harbin 150001, China
| | - Ruiwen Wang
- Key Laboratory of Bio-Based Material Science & Technology, Ministry of Education, Material Science and Engineering College, Northeast Forestry University, Harbin 150001, China
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Yang L, Yang Z, Liu J, Liu Z, Liu Y, Zhu L, Zhu Z, Jiang L. Deciphering the contribution of PerR to oxidative stress defense system in
Clostridium tyrobutyricum. FOOD FRONTIERS 2023. [DOI: 10.1002/fft2.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Lei Yang
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University Nanjing China
| | - Zhihan Yang
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University Nanjing China
| | - Jiayu Liu
- College of Food Science and Light Industry Nanjing Tech University Nanjing China
| | - Zilong Liu
- College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University Nanjing China
| | - Yuxin Liu
- College of Food Science and Light Industry Nanjing Tech University Nanjing China
| | - Liying Zhu
- College of Chemical and Molecular Engineering Nanjing Tech University Nanjing China
| | - Zhengming Zhu
- College of Food Science and Light Industry Nanjing Tech University Nanjing China
| | - Ling Jiang
- College of Food Science and Light Industry Nanjing Tech University Nanjing China
- State Key Laboratory of Materials‐Oriented Chemical Engineering Nanjing Tech University Nanjing China
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Sulman AM, Matveeva VG, Bronstein LM. Cellulase Immobilization on Nanostructured Supports for Biomass Waste Processing. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3796. [PMID: 36364572 PMCID: PMC9656580 DOI: 10.3390/nano12213796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Nanobiocatalysts, i.e., enzymes immobilized on nanostructured supports, received considerable attention because they are potential remedies to overcome shortcomings of traditional biocatalysts, such as low efficiency of mass transfer, instability during catalytic reactions, and possible deactivation. In this short review, we will analyze major aspects of immobilization of cellulase-an enzyme for cellulosic biomass waste processing-on nanostructured supports. Such supports provide high surface areas, increased enzyme loading, and a beneficial environment to enhance cellulase performance and its stability, leading to nanobiocatalysts for obtaining biofuels and value-added chemicals. Here, we will discuss such nanostructured supports as carbon nanotubes, polymer nanoparticles (NPs), nanohydrogels, nanofibers, silica NPs, hierarchical porous materials, magnetic NPs and their nanohybrids, based on publications of the last five years. The use of magnetic NPs is especially favorable due to easy separation and the nanobiocatalyst recovery for a repeated use. This review will discuss methods for cellulase immobilization, morphology of nanostructured supports, multienzyme systems as well as factors influencing the enzyme activity to achieve the highest conversion of cellulosic biowaste into fermentable sugars. We believe this review will allow for an enhanced understanding of such nanobiocatalysts and processes, allowing for the best solutions to major problems of sustainable biorefinery.
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Affiliation(s)
- Aleksandrina M. Sulman
- Department of Biotechnology, Chemistry and Standardization, Tver State Technical University, 22 A. Nikitina St., 170026 Tver, Russia
| | - Valentina G. Matveeva
- Department of Biotechnology, Chemistry and Standardization, Tver State Technical University, 22 A. Nikitina St., 170026 Tver, Russia
- Regional Technological Centre, Tver State University, Zhelyabova St., 33, 170100 Tver, Russia
| | - Lyudmila M. Bronstein
- Department of Chemistry, Indiana University, 800 E. Kirkwood Av., Bloomington, IN 47405, USA
- Department of Physics, Faculty of Science, King Abdulaziz University, P.O. Box 80303, Jeddah 21589, Saudi Arabia
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The Physiological Functions of AbrB on Sporulation, Biofilm Formation and Carbon Source Utilization in Clostridium tyrobutyricum. Bioengineering (Basel) 2022; 9:bioengineering9100575. [PMID: 36290543 PMCID: PMC9598496 DOI: 10.3390/bioengineering9100575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 11/17/2022] Open
Abstract
As a pleiotropic regulator, Antibiotic resistant protein B (AbrB) was reported to play important roles in various cellular processes in Bacilli and some Clostridia strains. In Clostridium tyrobutyricum, abrB (CTK_C 00640) was identified to encode AbrB by amino acid sequence alignment and functional domain prediction. The results of abrB deletion or overexpression in C. tyrobutyricum showed that AbrB not only exhibited the reported characteristics such as the negative regulation on sporulation, positive effects on biofilm formation and stress resistance but also exhibited new functions, especially the negative regulation of carbon metabolism. AbrB knockout strain (Ct/ΔabrB) could alleviate glucose-mediated carbon catabolite repression (CCR) and enhance the utilization of xylose compared with the parental strain, resulting in a higher butyrate titer (14.79 g/L vs. 7.91 g/L) and xylose utilization rate (0.19 g/L·h vs. 0.02 g/L·h) from the glucose and xylose mixture. This study confirmed the pleiotropic regulatory function of AbrB in C. tyrobutyricum, suggesting that Ct/ΔabrB was the potential candidate for butyrate production from abundant, renewable lignocellulosic biomass mainly composed of glucose and xylose.
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Yang Z, Leero DD, Yin C, Yang L, Zhu L, Zhu Z, Jiang L. Clostridium as microbial cell factory to enable the sustainable utilization of three generations of feedstocks. BIORESOURCE TECHNOLOGY 2022; 361:127656. [PMID: 35872277 DOI: 10.1016/j.biortech.2022.127656] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/15/2022] [Accepted: 07/16/2022] [Indexed: 06/15/2023]
Abstract
The sustainable production of chemicals and biofuels from non-fossil carbon sources is considered key to reducing greenhouse gas (GHG) emissions. Clostridium sp. can convert various substrates, including the 1st-generation (biomass crops), the 2nd-generation (lignocellulosic biomass), and the 3rd-generation (C1 gases) feedstocks, into high-value products, which makes Clostridia attractive for biorefinery applications. However, the complexity of lignocellulosic catabolism and C1 gas utilization make it difficult to construct efficient production routes. Accordingly, this review highlights the advances in the development of three generations of feedstocks with Clostridia as cell factories. At the same time, more attention was given to using agro-industrial wastes (lignocelluloses and C1 gases) as the feedstocks, for which metabolic and process engineering efforts were comprehensively analyzed. In addition, the challenges of using agro-industrial wastes are also discussed. Lastly, several new synthetic biology tools and regulatory strategies are emphasized as promising technologies to be developed to address the aforementioned challenges in Clostridia and realize the efficient utilization of agro-industrial wastes.
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Affiliation(s)
- Zhihan Yang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Donald Delano Leero
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Chengtai Yin
- College of Overseas Education, Nanjing Tech University, Nanjing 211816, China
| | - Lei Yang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Liying Zhu
- College of Chemical and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhengming Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Ling Jiang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
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Fu H, Zhang H, Guo X, Yang L, Wang J. Elimination of carbon catabolite repression in Clostridium tyrobutyricum for enhanced butyric acid production from lignocellulosic hydrolysates. BIORESOURCE TECHNOLOGY 2022; 357:127320. [PMID: 35589044 DOI: 10.1016/j.biortech.2022.127320] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Clostridium tyrobutyricum, a gram-positive anaerobic bacterium, is recognized as the promising butyric acid producer. But, the existence of carbon catabolite repression (CCR) is the major drawback for C. tyrobutyricum to efficiently use the lignocellulosic biomass. In this study, the xylose pathway genes were first identified and verified. Then, the potential regulatory mechanisms of CCR in C. tyrobutyricum were proposed and the predicted engineering targets were experimental validated. Inactivation of hprK blocked the CcpA-mediated CCR and resulted in simultaneous conversion of glucose and xylose, although xylose consumption was severe lagging behind. Deletion of xylR further shortened the lag phase of xylose utilization. When hprK and xylR were inactivated together, the CCR in C. tyrobutyricum was completely eliminated. Consequently, ATCC 25755/ΔhprKΔxylR showed significant increase in butyrate productivity (1.8 times faster than the control) and excellent butyric acid fermentation performance using both mixed sugars (11.0-11.9 g/L) and undetoxified lignocellulosic hydrolysates (12.4-13.4 g/L).
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Affiliation(s)
- Hongxin Fu
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China; Guangdong Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510006, China
| | - Huihui Zhang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Xiaolong Guo
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Lu Yang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Jufang Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China; Guangdong Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510006, China.
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8
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Shen B, Wang Y, Wang X, Amal FE, Zhu L, Jiang L. A Cruciform Petal-like (ZIF-8) with Bactericidal Activity against Foodborne Gram-Positive Bacteria for Antibacterial Food Packaging. Int J Mol Sci 2022; 23:ijms23147510. [PMID: 35886855 PMCID: PMC9318148 DOI: 10.3390/ijms23147510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 11/16/2022] Open
Abstract
Most antibacterial nanomaterials used in food packaging act by releasing reactive oxygen species (ROS), which cannot efficiently have an inhibitory effect by penetrating the cell wall of Gram-positive Staphylococcus aureus. In this work, we used the cruciform petal-like zeolite imidazole framework-8 (ZIF-8) synthesized in the water phase which can release active Zn compounds in aqueous solution and exert a stronger inhibitory effect on S. aureus. The experimental results demonstrated that the aqueous cruciform petal-like ZIF-8 has the same photocatalytic activity as traditional ZIF-8 and can be applied in photocatalytic bacterial inactivation. The cruciform petal-like ZIF-8 was also shown to release active Zn compounds in aqueous solution with a better antibacterial effect against S. aureus, reaching 95% inactivation efficiency. The antibacterial effect was therefore 70% higher than that of traditional ZIF-8. Based on its excellent antibacterial properties, we loaded petal-like ZIF-8, PDA and PVA onto ordinary fibers to prepare ZIF-8-Film. The results further showed that ZIF-8-Film has a high filtration capacity, which can be used in antibacterial packaging material with the required air permeability. Moreover, ZIF-8-Flim can clean the surface on its own and can maintain a sterile environment. It is different from other disposable materials on the market in that it can be reused and has a self-disinfection function.
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Affiliation(s)
- Bowen Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing 211816, China; (B.S.); (Y.W.)
| | - Yuxian Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing 211816, China; (B.S.); (Y.W.)
| | - Xinlong Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 210009, China; (X.W.); (F.E.A.)
| | - Fatima Ezzahra Amal
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 210009, China; (X.W.); (F.E.A.)
| | - Liying Zhu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 210009, China
- Correspondence: authors: (L.Z.); (L.J.); Tel.: +86-25-58139430 (L.Z. & L.J.)
| | - Ling Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing 211816, China; (B.S.); (Y.W.)
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 210009, China; (X.W.); (F.E.A.)
- Correspondence: authors: (L.Z.); (L.J.); Tel.: +86-25-58139430 (L.Z. & L.J.)
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Moon M, Yeon YJ, Park HJ, Park J, Park GW, Kim GH, Lee JP, Lee D, Lee JS, Min K. Chemoenzymatic valorization of agricultural wastes into 4-hydroxyvaleric acid via levulinic acid. BIORESOURCE TECHNOLOGY 2021; 337:125479. [PMID: 34320759 DOI: 10.1016/j.biortech.2021.125479] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/23/2021] [Accepted: 06/26/2021] [Indexed: 06/13/2023]
Abstract
Given that (i) levulinic acid (LA) is one of the most significant platform chemicals derived from biomass and (ii) 4-hydroxyvaleric acid (4-HV) is a potential LA derivative, the aim of this study is to achieve chemoenzymatic valorization of LA, which was obtained from agricultural wastes, to 4-HV. The thermochemical process utilized agricultural wastes (i.e., rice straw and corncob) as feedstocks and successfully produced LA, ranging from 25.1 to 65.4 mM. Additionally, formate was co-produced and used as a hydrogen source for the enzymatic hydrogenation of LA. Finally, engineered 3-hydroxybutyrate dehydrogenase from Alcaligenes faecalis (eHBDH) was applicable for catalyzing the conversion of agricultural wastes-driven LA, resulting in a maximum concentration of 11.32 mM 4-HV with a conversion rate of 48.2%. To the best of our knowledge, this is the first report describing the production of 4-HV from actual biomass, and the results might provide insights into the valorization of agricultural wastes.
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Affiliation(s)
- Myounghoon Moon
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Young Joo Yeon
- Department of Biochemical Engineering, Gangneung-Wonju National University (GWNU), Gangneung 25457, Republic of Korea
| | - Hyun June Park
- Department of Biotechnology, Duksung Women's University, Seoul 01369, Republic of Korea
| | - Jisu Park
- Department of Biochemical Engineering, Gangneung-Wonju National University (GWNU), Gangneung 25457, Republic of Korea
| | - Gwon Woo Park
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Gil-Hwan Kim
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Joon-Pyo Lee
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Dohoon Lee
- Green Chemistry and Materials Group, Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
| | - Jin-Suk Lee
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Kyoungseon Min
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea.
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