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Vickram S, Manikandan S, Deena SR, Mundike J, Subbaiya R, Karmegam N, Jones S, Kumar Yadav K, Chang SW, Ravindran B, Kumar Awasthi M. Advanced biofuel production, policy and technological implementation of nano-additives for sustainable environmental management - A critical review. BIORESOURCE TECHNOLOGY 2023; 387:129660. [PMID: 37573978 DOI: 10.1016/j.biortech.2023.129660] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/15/2023]
Abstract
This review article critically evaluates the significance of adopting advanced biofuel production techniques that employ lignocellulosic materials, waste biomass, and cutting-edge technology, to achieve sustainable environmental stewardship. Through the analysis of conducted research and development initiatives, the study highlights the potential of these techniques in addressing the challenges of feedstock supply and environmental impact and implementation policies that have historically plagued the conventional biofuel industry. The integration of state-of-the-art technologies, such as nanotechnology, pre-treatments and enzymatic processes, has shown considerable promise in enhancing the productivity, quality, and environmental performance of biofuel production. These developments have improved conversion methods, feedstock efficiency, and reduced environmental impacts. They aid in creating a greener and sustainable future by encouraging the adoption of sustainable feedstocks, mitigating greenhouse gas emissions, and accelerating the shift to cleaner energy sources. To realize the full potential of these techniques, continued collaboration between academia, industry representatives, and policymakers remains essential.
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Affiliation(s)
- Sundaram Vickram
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China; Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Nagar, Thandalam, Chennai 602 105. Tamil Nadu, India
| | - S Manikandan
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Nagar, Thandalam, Chennai 602 105. Tamil Nadu, India
| | - S R Deena
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Nagar, Thandalam, Chennai 602 105. Tamil Nadu, India
| | - Jhonnah Mundike
- Department of Environmental Engineering, School of Mines & Mineral Sciences, The Copperbelt University, Riverside Jambo Drive, PO Box 21692, Kitwe, Zambia
| | - R Subbaiya
- Department of Biological Sciences, School of Mathematics and Natural Sciences, The Copperbelt University, Riverside, Jambo Drive, P O Box 21692, Kitwe, Zambia
| | - N Karmegam
- PG and Research Department of Botany, Government Arts College (Autonomous), Salem 636007, Tamil Nadu, India
| | - Sumathi Jones
- Department of Pharmacology and Therapeutics, Sree Balaji Dental College and Hospital, BIHER, Chennai, India
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal 462044, India; Environmental and Atmospheric Sciences Research Group, Scientific Research Center, Al-Ayen University, Thi-Qar, Nasiriyah, 64001, Iraq
| | - Soon Woong Chang
- Department of Environmental Energy and Engineering, Kyonggi University Yeongtong-Gu, Suwon, Gyeonggi-Do 16227, Republic of Korea
| | - Balasubramani Ravindran
- Department of Environmental Energy and Engineering, Kyonggi University Yeongtong-Gu, Suwon, Gyeonggi-Do 16227, Republic of Korea; Institute of Biotechnology, Department of Medical Biotechnology and Integrative Physiology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai, 602 105, Tamil Nadu, India
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
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Mahdi HI, Ramlee NN, da Silva Duarte JL, Cheng YS, Selvasembian R, Amir F, de Oliveira LH, Wan Azelee NI, Meili L, Rangasamy G. A comprehensive review on nanocatalysts and nanobiocatalysts for biodiesel production in Indonesia, Malaysia, Brazil and USA. CHEMOSPHERE 2023; 319:138003. [PMID: 36731678 DOI: 10.1016/j.chemosphere.2023.138003] [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: 07/23/2022] [Revised: 12/24/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Biodiesel is an alternative to fossil-derived diesel with similar properties and several environmental benefits. Biodiesel production using conventional catalysts such as homogeneous, heterogeneous, or enzymatic catalysts faces a problem regarding catalysts deactivation after repeated reaction cycles. Heterogeneous nanocatalysts and nanobiocatalysts (enzymes) have shown better advantages due to higher activity, recyclability, larger surface area, and improved active sites. Despite a large number of studies on this subject, there are still challenges regarding its stability, recyclability, and scale-up processes for biodiesel production. Therefore, the purpose of this study is to review current modifications and role of nanocatalysts and nanobiocatalysts and also to observe effect of various parameters on biodiesel production. Nanocatalysts and nanobiocatalysts demonstrate long-term stability due to strong Brønsted-Lewis acidity, larger active spots and better accessibility leading to enhancethe biodiesel production. Incorporation of metal supporting positively contributes to shorten the reaction time and enhance the longer reusability. Furthermore, proper operating parameters play a vital role to optimize the biodiesel productivity in the commercial scale process due to higher conversion, yield and selectivity with the lower process cost. This article also analyses the relationship between different types of feedstocks towards the quality and quantity of biodiesel production. Crude palm oil is convinced as the most prospective and promising feedstock due to massive production, low cost, and easily available. It also evaluates key factors and technologies for biodiesel production in Indonesia, Malaysia, Brazil, and the USA as the biggest biodiesel production supply.
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Affiliation(s)
- Hilman Ibnu Mahdi
- Department of Chemical and Materials Engineering, National Yunlin University of Science and Technology, Yunlin, 64002, Taiwan; Future Technology Research Center, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin, 64002, Taiwan.
| | - Nurfadhila Nasya Ramlee
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia (UTM), 81310, Johor Bahru, Johor, Malaysia
| | - José Leandro da Silva Duarte
- Laboratory of Applied Electrochemistry, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceió, Alagoas, 57072-900, Brazil
| | - Yu-Shen Cheng
- Department of Chemical and Materials Engineering, National Yunlin University of Science and Technology, Yunlin, 64002, Taiwan; College of Future, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin, 64002, Taiwan
| | - Rangabhashiyam Selvasembian
- Department of Biotechnology, School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, 613401, India.
| | - Faisal Amir
- Department of Mechanical Engineering, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin, 64002, Taiwan; Department of Mechanical Engineering, Universitas Mercu Buana (UMB), Jl. Raya, RT.4/RW.1, Meruya Sel., Kec. Kembangan, Jakarta, Daerah Khusus Ibukota Jakarta, 11650, Indonesia
| | - Leonardo Hadlich de Oliveira
- Laboratory of Adsorption and Ion Exchange (LATI), Chemical Engineering Department (DEQ), State University of Maringá, Maringá (UEM), 5790 Colombo Avenue, Zone 7, 87020-900, Maringá, PR, Brazil
| | - Nur Izyan Wan Azelee
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia (UTM), 81310, Johor Bahru, Johor, Malaysia; Institute of Bioproduct Development (IBD), Universiti Teknologi Malaysia (UTM), UTM Skudai, 81310, Skudai Johor Bahru, Johor, Malaysia.
| | - Lucas Meili
- Laboratory of Processes (LAPRO), Center of Technology, Federal University of Alagoas, Campus A. C. Simões, Lourival Melo Mota Avenue, Tabuleiro Dos Martins, 57072-970, Maceió, AL, Brazil.
| | - Gayathri Rangasamy
- School of Engineering, Lebanese American University, Byblos, Lebanon; Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India.
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Bharati A, Chi KB, Trunov D, Sedlářová I, Belluati A, Šoóš M. Effective lipase immobilization on crosslinked functional porous polypyrrole aggregates. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Wang H, Boghossian AA. Covalent conjugation of proteins onto fluorescent single-walled carbon nanotubes for biological and medical applications. MATERIALS ADVANCES 2023; 4:823-834. [PMID: 36761250 PMCID: PMC9900427 DOI: 10.1039/d2ma00714b] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 11/02/2022] [Indexed: 05/20/2023]
Abstract
Single-walled carbon nanotubes (SWCNTs) have optical properties that are conducive for biological applications such as sensing, delivery, and imaging. These applications necessitate the immobilization of macromolecules that can serve as therapeutic drugs, molecular templates, or modulators of surface interactions. Although previous studies have focused on non-covalent immobilization strategies, recent advances have introduced covalent functional handles that can preserve or even enhance the SWCNT optical properties. This review presents an overview of covalent sidewall modifications of SWCNTs, with a focus on the latest generation of "sp3 defect" modifications. We summarize and compare the reaction conditions and the reported products of these sp3 chemistries. We further review the underlying photophysics governing SWCNT fluorescence and apply these principles to the fluorescence emitted from these covalently modified SWCNTs. Finally, we provide an outlook on additional chemistries that could be applied to covalently conjugate proteins to these chemically modified, fluorescent SWCNTs. We review the advantages of these approaches, emerging opportunities for further improvement, as well as their implications for enabling new technologies.
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Affiliation(s)
- Hanxuan Wang
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Chemical Sciences and Engineering CH-1015 Lausanne Switzerland
| | - Ardemis A Boghossian
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Chemical Sciences and Engineering CH-1015 Lausanne Switzerland
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Towards rapid and sustainable synthesis of biodiesel: A review of effective parameters and scale-up potential of intensification technologies for enzymatic biodiesel production. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Tan Z, Li X, Shi H, Yin X, Zhu X, Bilal M, Onchari MM. Enhancing the methanol tolerance of Candida antarctica lipase B by saturation mutagenesis for biodiesel preparation. 3 Biotech 2022; 12:22. [PMID: 35036270 PMCID: PMC8695645 DOI: 10.1007/s13205-021-03095-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/13/2021] [Indexed: 01/03/2023] Open
Abstract
Methanol tolerance of lipase is one of the important factors affecting its esterification ability in biodiesel preparation. By B factor indicated prediction of Candida antarctica lipase B (CalB) surface amino acids, eight sites (Val139, Ala146, Leu147, Pro218, Val286, Ala287, Val306, and Gly307) with high B value indicating more flexibility were chosen to perform saturation mutagenesis. High-methanol-tolerant variants, CalB-P218W and -V306N, created larger haloes on emulsified tributyrin solid plate including 15% (v/v) methanol and showed 19% and 31% higher activity over wild-type CalB (CalB-WT), respectively. By modeling, a newly formed hydrogen bond in CalB-V306N and hydrophobic force in CalB-P218W contributing more stability in protein may have resulted in increased methanol tolerance. CalB-P218W and -V306N transesterified the soybean oil into biodiesel at 30 °C by 85% and 89% yield, respectively, over 82% by CalB-WT for 24 h reactions. These results may provide a basis for molecular engineering of CalB and expand its applications in fuel industries. The as-developed semi-rational method could be utilized to enhance the stabilities of many other industrial enzymes.
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Affiliation(s)
- Zhongbiao Tan
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
| | - Xiangqian Li
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
| | - Hao Shi
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
| | - Xiulian Yin
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
| | - Xiaoyan Zhu
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
| | - Muhammad Bilal
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
| | - Mary Mongina Onchari
- Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration, School of Life Science and Food Engineering, Huaiyin Institute of Technology, 1E Meicheng Road, Huai’an, 223003 People’s Republic of China
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Zhong L, Feng Y, Hu H, Xu J, Wang Z, Du Y, Cui J, Jia S. Enhanced enzymatic performance of immobilized lipase on metal organic frameworks with superhydrophobic coating for biodiesel production. J Colloid Interface Sci 2021; 602:426-436. [PMID: 34144301 DOI: 10.1016/j.jcis.2021.06.017] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 01/19/2023]
Abstract
Inspired by the interfacial catalysis of lipase, Herein, the hydrophobic ZIF-L coated with polydimethylsiloxane (PDMS) were prepared by chemical vapor deposition (CVD) and used to immobilize lipase from Aspergillus oryzae (AOL) for biodiesel production. The results showed that the PDMS coating enhanced the stability of ZIF-8 and ZIF-L in PBS. Immobilization efficiency of AOL on PDMS-modified ZIF-L was 96% under optimized conditions. The resultant immobilized lipase (AOL@PDMS-ZIF-L) exhibited higher activity recovery (430%) than AOL@ZIF-L. Meanwhile, compared with free lipase, the AOL@PDMS-ZIF-L exhibited better storage stability and thermal stability. After 150 days of storage, the free lipase retained only 20% of its original activity of hydrolyzing p-NPP, while the AOL@PDMS-ZIF-L still retained 90% of its original activity. The biodiesel yield catalyzed from soybean oil by free lipase was only 69%, However, the biodiesel yield by AOL@PDMS-ZIF-L reached 94%, and could still be maintained at 85% even after 5 consecutive cycles. It is believed that this convenient and versatile strategy has great promise in the important fields of immobilized lipase on MOF for biodiesel production.
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Affiliation(s)
- Le Zhong
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Yuxiao Feng
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Hongtong Hu
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Jiabao Xu
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Ziyuan Wang
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China.
| | - Yingjie Du
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Jiandong Cui
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China.
| | - Shiru Jia
- State Key Laboratory of Food Nutrition and Safety, Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
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Zhou ZW, Cai CX, Xing X, Li J, Hu ZE, Xie ZB, Wang N, Yu XQ. Magnetic COFs as satisfied support for lipase immobilization and recovery to effectively achieve the production of biodiesel by great maintenance of enzyme activity. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:156. [PMID: 34261529 PMCID: PMC8278614 DOI: 10.1186/s13068-021-02001-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/20/2021] [Indexed: 05/07/2023]
Abstract
BACKGROUND Production of biodiesel from renewable sources such as inedible vegetable oils by enzymatic catalysis has been a hotspot but remains a challenge on the efficient use of an enzyme. COFs (Covalent Organic Frameworks) with large surface area and porosity can be applied as ideal support to avoid aggregation of lipase and methanol. However, the naturally low density limits its application. In this work, we reported a facile synthesis of core-shell magnetic COF composite (Fe3O4@COF-OMe) to immobilize RML (Rhizomucor miehei lipase), to achieve its utilization in biodiesel production. RESULT This strategy gives extrinsic magnetic property, and the magnetic COFs is much heavier and could disperse in water medium well, facilitating the attachment with the enzyme. The resultant biocomposite exhibited an excellent capacity of RML due to its high surface area and fast response to the external magnetic field, as well as good chemical stability. The core-shell magnetic COF-OMe structure not only achieved highly efficient immobilization and recovery processes but also maintained the activity of lipase to a great extent. RML@Fe3O4@COF-OMe performed well in practical applications, while free lipase did not. The biocomposite successfully achieved the production of biodiesel from Jatropha curcas Oil with a yield of about 70% in the optimized conditions. CONCLUSION Magnetic COFs (Fe3O4@COF-OMe) for RML immobilization greatly improved catalytic performance in template reaction and biodiesel preparation. The magneticity makes it easily recovered and separated from the system. This first successful attempt of COFs-based immobilized enzyme broadened the prospect of biodiesel production by COFs with some inspiration.
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Affiliation(s)
- Zi-Wen Zhou
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China
| | - Chun-Xian Cai
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China
| | - Xiu Xing
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China
| | - Jun Li
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China
| | - Zu-E Hu
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China
| | - Zong-Bo Xie
- Jiangxi Province Key Laboratory of Synthetic Chemistry, School of Chemistry, Biology and Material Science, East China University of Technology, Nanchang, 330013, People's Republic of China
| | - Na Wang
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China.
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu, 610064, People's Republic of China.
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Gkantzou E, Chatzikonstantinou AV, Fotiadou R, Giannakopoulou A, Patila M, Stamatis H. Trends in the development of innovative nanobiocatalysts and their application in biocatalytic transformations. Biotechnol Adv 2021; 51:107738. [PMID: 33775799 DOI: 10.1016/j.biotechadv.2021.107738] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 03/20/2021] [Accepted: 03/20/2021] [Indexed: 12/22/2022]
Abstract
The ever-growing demand for cost-effective and innocuous biocatalytic transformations has prompted the rational design and development of robust biocatalytic tools. Enzyme immobilization technology lies in the formation of cooperative interactions between the tailored surface of the support and the enzyme of choice, which result in the fabrication of tremendous biocatalytic tools with desirable properties, complying with the current demands even on an industrial level. Different nanoscale materials (organic, inorganic, and green) have attracted great attention as immobilization matrices for single or multi-enzymatic systems. Aiming to unveil the potentialities of nanobiocatalytic systems, we present distinct immobilization strategies and give a thorough insight into the effect of nanosupports specific properties on the biocatalysts' structure and catalytic performance. We also highlight the development of nanobiocatalysts for their incorporation in cascade enzymatic processes and various types of batch and continuous-flow reactor systems. Remarkable emphasis is given on the application of such nanobiocatalytic tools in several biocatalytic transformations including bioremediation processes, biofuel production, and synthesis of bioactive compounds and fine chemicals for the food and pharmaceutical industry.
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Affiliation(s)
- Elena Gkantzou
- Laboratory of Biotechnology, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece
| | - Alexandra V Chatzikonstantinou
- Laboratory of Biotechnology, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece
| | - Renia Fotiadou
- Laboratory of Biotechnology, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece
| | - Archontoula Giannakopoulou
- Laboratory of Biotechnology, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece
| | - Michaela Patila
- Laboratory of Biotechnology, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece.
| | - Haralambos Stamatis
- Laboratory of Biotechnology, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece.
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Xu J, Zhang R, Liu C, Yu Y, Wang F, Deng L. High Efficient Biosynthesis 2-Ethylhexyl Palmitate in a Rotating Packed Bed Reactor. Appl Biochem Biotechnol 2021; 193:2420-2429. [PMID: 33689122 DOI: 10.1007/s12010-021-03527-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
Abstract
2-Ethylhexyl palmitate (2-EHP) is one of the important chemical products. Normally, 2-EHP is produced through the esterification. Since 2-EHP has a high viscosity, the mass transfer is significantly influenced with the product accumulation. In this work, a rotating packed bed reactor with intensive mixing was employed to solve the problem in the mass transfer during the enzymatic reaction. Under the optimal conditions, compared with the traditional continuous stirred-tank reactor (CSTR), the RPB reactor enhanced the final yield of 2-EHP, and shortened the reaction time to 1 h. In addition, the enzyme has a longer life-time in the RPB reactor, with production yield of closing to 99% after 9 batches. The results of this research indicated that the RPB has a great potential to be applied in the enzymatic production of 2-EHP. Application of the rotating packed bed in synthesis of 2-ethylhexyl palmitate.
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Affiliation(s)
- Juntao Xu
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Renwei Zhang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Changsheng Liu
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Yue Yu
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Fang Wang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Li Deng
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
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Suresh A, Shravan Ramgopal D, Panchamoorthy Gopinath K, Arun J, SundarRajan P, Bhatnagar A. Recent advancements in the synthesis of novel thermostable biocatalysts and their applications in commercially important chemoenzymatic conversion processes. BIORESOURCE TECHNOLOGY 2021; 323:124558. [PMID: 33383359 DOI: 10.1016/j.biortech.2020.124558] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/11/2020] [Accepted: 12/12/2020] [Indexed: 06/12/2023]
Abstract
Thermostable enzymes are a field of growing interest in bioremediation, pharmaceuticals, food industry etc., due to their ability to catalyze bio reactions at high temperatures. This review aims to provide an overview on extremophiles with a special focus on thermophiles and enzymes produced from extremophilic bacteria. Novel thermostable catalysts, used in producing commercially important chemicals, are discussed in this review. Various classes of enzymes produced by microbes, synthesis of thermozymes and comparison with enzymes produced at optimal conditions are critically discussed. A detailed discussion on immobilized enzymes in comparisons with free enzymes, produced by extremozymes, is included. Different parameters which affect enzyme production are also discussed. The current industrial trends along with the future of biocatalysts in the production of chemicals using efficient methods are also discussed.
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Affiliation(s)
- Aravind Suresh
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam - 603110, Chennai, Tamil Nadu, India
| | - Dhakshin Shravan Ramgopal
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam - 603110, Chennai, Tamil Nadu, India
| | - Kannappan Panchamoorthy Gopinath
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam - 603110, Chennai, Tamil Nadu, India
| | - Jayaseelan Arun
- Centre for Waste Management, International Research Centre, Sathyabama Institute of Science and Technology, Jeppiaar Nagar (OMR), Chennai 600119, Tamil Nadu, India
| | - Panneerselvam SundarRajan
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam - 603110, Chennai, Tamil Nadu, India
| | - Amit Bhatnagar
- Department of Separation Science, LUT School of Engineering Science, LUT University, Sammonkatu 12, FI-50130 Mikkeli, Finland.
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12
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Bilal M, Fernandes CD, Mehmood T, Nadeem F, Tabassam Q, Ferreira LFR. Immobilized lipases-based nano-biocatalytic systems - A versatile platform with incredible biotechnological potential. Int J Biol Macromol 2021; 175:108-122. [PMID: 33548312 DOI: 10.1016/j.ijbiomac.2021.02.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/26/2021] [Accepted: 02/01/2021] [Indexed: 12/13/2022]
Abstract
Lipases belong to α/β hydrolases that cause hydrolytic catalysis of triacylglycerols to release monoacylglycerols, diacylglycerols, and glycerol with free fatty acids. Lipases have a common active site that contains three amino acid residues in a conserved Gly-X-Ser-X-Gly motif: a nucleophilic serine residue, an acidic aspartic or glutamic acid residue, and a basic histidine residue. Lipase plays a significant role in numerous industrial and biotechnological processes, including paper, food, oleochemical and pharmaceutical applications. However, its instability and aqueous solubility make application expensive and relatively challenging. Immobilization has been considered as a promising approach to improve enzyme stability, reusability, and survival under extreme temperature and pH environments. Innumerable supporting material in the form of natural polymers and nanostructured materials is a crucial aspect in the procedure of lipase immobilization used to afford biocompatibility, stability in physio-chemical belongings, and profuse binding positions for enzymes. This review outlines the unique structural and functional properties of a large number of polymers and nanomaterials as robust support matrices for lipase immobilization. Given these supporting materials, the applications of immobilized lipases in different industries, such as biodiesel production, polymer synthesis, additives, detergent, textile, and food industry are also discussed.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Clara Dourado Fernandes
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil; Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP), Tiradentes University (UNIT), Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
| | - Tahir Mehmood
- Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences-UVAS, Lahore 54000, Pakistan.
| | - Fareeha Nadeem
- Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences-UVAS, Lahore 54000, Pakistan
| | - Qudsia Tabassam
- Institute of Chemistry, University of Sargodha, Sargodha 4010, Pakistan
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil; Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP), Tiradentes University (UNIT), Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
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13
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Abstract
Converting useless feedstock into biodiesel by utilizing the process of transesterification has been regarded as an alternative approach recently used to address the fuel and energy resources shortage issues. Nanobiocatalysts (NBCs), containing the biological component of lipase enzyme immobilized on nanomaterials (NMs), have also been presented as an advanced catalyst to effectively carry out the process of transesterification with appreciable yields. This study highlights the fundamentals associated with NBCs and the transesterification reaction catalyzed by NBCs for summarizing present academic literature reported in this research domain in recent years. Classification of the NBCs with respect to the nature of NMs and immobilization methods of lipase enzyme is also provided for organizing the recently documented case studies. This review is designed to act as a guideline for the researchers aiming to explore this domain of biodiesel production via NBCs as well as for the scholars looking to expand on this field.
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14
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Gal CA, Barabás LE, Bartha Vári JH, Moisă ME, Balogh-Weiser D, Bencze LC, Poppe L, Paizs C, Toșa MI. Lipase on carbon nanotubes – an active, selective, stable and easy-to-optimize nanobiocatalyst for kinetic resolutions. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00342a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
An efficient biocatalyst was obtained by covalent immobilization of lipase B from C. antarctica on functionalized SwCNTs for the kinetic resolution of some aryl-ethanols in batch and continuous-flow modes.
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Affiliation(s)
- Cristian Andrei Gal
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Laura Edit Barabás
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Judith-Hajnal Bartha Vári
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Mădălina Elena Moisă
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Diana Balogh-Weiser
- Budapest University of Technology and Economics, Department of Organic Chemistry and Technology, Műegyetem rkp. 3. Budapest, H-1111, Hungary
- Budapest University of Technology and Economics, Department of Physical Chemistry and Materials Science, Műegyetem rkp. 3. Budapest, H-1111, Hungary
| | - László Csaba Bencze
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - László Poppe
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
- Budapest University of Technology and Economics, Department of Organic Chemistry and Technology, Műegyetem rkp. 3. Budapest, H-1111, Hungary
| | - Csaba Paizs
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
| | - Monica Ioana Toșa
- Babeș-Bolyai University, Faculty of Chemistry and Chemical Engineering, Enzymology and Applied Biocatalysis Research Center, Arany János 11, Cluj-Napoca 400028, România
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15
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Bilal M, Iqbal HMN. Armoring bio-catalysis via structural and functional coordination between nanostructured materials and lipases for tailored applications. Int J Biol Macromol 2021; 166:818-838. [PMID: 33144258 DOI: 10.1016/j.ijbiomac.2020.10.239] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/10/2020] [Accepted: 10/30/2020] [Indexed: 02/08/2023]
Abstract
Nanostructured materials represent an interesting and novel class of support matrices for the immobilization of different enzymes. Owing to the high surface area, robust mechanical stability, outstanding optical, thermal, and electrical properties, nanomaterials have been rightly perceived as desired immobilization matrices for lipases immobilization with a wide array of biotechnological applications such as dairy, food technology, fine chemical, pharmaceutical, detergent, and oleochemical industries. Lipases immobilized on nanomaterials have demonstrated superior attributes than free counterparts, such as aggrandized pH and thermal stability, robustness, long-term stability, and the possibility of reuse and recycling in several times. Here we review current and state-of-the-art literature on the use of nanomaterials as novel platforms for the immobilization of lipase enzymes. The physicochemical properties and exploitation of a large number of new nanostructured materials such as carbon nanotubes, nano-silica, graphene/graphene oxide, metal nanoparticles, magnetic nanostructures, metal-organic frameworks, and hybrid nanoflowers as a host matrix to constitute robust lipases-based nanobiocatalytic systems are discussed. Conclusive remarks, trends, and future recommendations for nanomaterial immobilized enzymes are also given.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
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16
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Bilal M, Anh Nguyen T, Iqbal HM. Multifunctional carbon nanotubes and their derived nano-constructs for enzyme immobilization – A paradigm shift in biocatalyst design. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213475] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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17
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Saikia K, Senthil Kumar P, Karanam Rathankumar A, SaiLavanyaa S, Srinivasan L, Subramanian S, Cabana H, Gosselin M, Vinoth Kumar V. Amino-functionalised mesoporous silica microspheres for immobilisation of Candida antarctica lipase B - application towards greener production of 2,5-furandicarboxylic acid. IET Nanobiotechnol 2020; 14:732-738. [PMID: 33108331 DOI: 10.1049/iet-nbt.2020.0021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
In the present study, amino-functionalised mesoporous silica microspheres were utilised as support for the covalent immobilisation of Candida antarctica lipase B (CaLB) for the subsequent production of 2,5-furandicarboxylic acid (FDCA) from 2,5-diformylfuran (DFF). Under the optimised operating conditions of pH 6.5, particle/enzyme ratio of 1.25:1.0 and glutaraldehyde concentration of 4 mM, a maximum CaLB immobilisation yield of 82.4% on silica microspheres was obtained in 12.25 h. The immobilised CaLB was used for the synthesis of alkyl esters, which were utilised along with hydrogen peroxide for FDCA synthesis. The biocatalytic conversion of 30 mM DFF dictated a 77-79% FDCA in 48 h at 30°C; where the turnover number and turnover frequency of immobilised CaLB were 6220.73 mol mol-1 and 129.59 h-1, respectively, for ethyl acetate, against 6297.65 mol mol-1 and 131.2 h-1, respectively, for ethyl butyrate. Upon examining the operational stability, the immobilised CaLB exhibited high stability till five cycles of FDCA production.
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Affiliation(s)
- Kongkona Saikia
- Integrated Bioprocessing Laboratory, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, India
| | | | - Abiram Karanam Rathankumar
- Integrated Bioprocessing Laboratory, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, India
| | - Sundar SaiLavanyaa
- Integrated Bioprocessing Laboratory, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, India
| | - Lakshmi Srinivasan
- Integrated Bioprocessing Laboratory, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, India
| | - Sivanesan Subramanian
- Department of Applied Science and Technology, Alagappa College of Technology, Anna University, Chennai 600 025, India
| | - Hubert Cabana
- Laboratoire de génie de l'environnement, Faculté de génie, Université de Sherbrooke, 2500 boul. de l'Université, Sherbrooke, Québec, J1K 2R1, Canada
| | - Mathilde Gosselin
- Materium Innovations INC., Boulevard Industriel 790, Granby, J2G 9J5, Canada
| | - Vaidyanathan Vinoth Kumar
- Laboratoire de génie de l'environnement, Faculté de génie, Université de Sherbrooke, 2500 boul. de l'Université, Sherbrooke, Québec, J1K 2R1, Canada.
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18
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Xu J, Zhang R, Han Z, Wang Z, Wang F, Deng L, Nie K. The highly-stable immobilization of enzymes on a waste mycelium carrier. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 271:111032. [PMID: 32778312 DOI: 10.1016/j.jenvman.2020.111032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 06/22/2020] [Accepted: 06/28/2020] [Indexed: 06/11/2023]
Abstract
Mycelium is an abundant waste from the fermentation industry, and the environmental problems associated with its required disposal seriously limited the development of fermentation industry. In China, millions of tons of various kinds of mycelium residues were produced each year. Research into providing added-value to mycelium, while avoiding its disposal, is hence of paramount importance. Mycelium can be used as carrier for enzymes, while the enzyme immobilization moreover improves their stability and lifetime performance. Carrier recycling, the natural degradation and disposal of artificial polymer carriers are critical issues in immobilization. This research investigated its use to manufacture a highly-stable immobilized enzyme. An acid pretreatment was employed to enhance the adsorption ability of mycelium, and its adsorption ability was compared with other carriers. Under the optimal conditions, a core-shell immobilized enzyme with porous structure was obtained. The stability and the recycle results of the evaluation indicated the excellent performance of the immobilized enzyme. The mycelium recycling was also investigated to verify the practicability. All the results indicated that the use of a mycelium-based carrier was a promising strategy for the reutilization of the fermentation waste, and this technique provides an alternative way to reduce the total amount of the waste mycelium. Meanwhile, the stability and reusability performance of the mycelium-based immobilization could also decrease the influence of the disposal of the solid waste from denatured enzymes to the environment.
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Affiliation(s)
- Juntao Xu
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Renwei Zhang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Zehui Han
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Zheng Wang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Fang Wang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Li Deng
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China.
| | - Kaili Nie
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China.
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19
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Lipase immobilization on ceramic supports: An overview on techniques and materials. Biotechnol Adv 2020; 42:107581. [DOI: 10.1016/j.biotechadv.2020.107581] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 02/08/2023]
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20
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Wahab RA, Elias N, Abdullah F, Ghoshal SK. On the taught new tricks of enzymes immobilization: An all-inclusive overview. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104613] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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21
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A Review on Bio-Based Catalysts (Immobilized Enzymes) Used for Biodiesel Production. ENERGIES 2020. [DOI: 10.3390/en13113013] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The continuous increase of the world’s population results in an increased demand for energy drastically from the industrial and domestic sectors as well. Moreover, the current public awareness regarding issues such as pollution and overuse of petroleum fuel has resulted in the development of research approaches concerning alternative renewable energy sources. Amongst the various options for renewable energies used in transportation systems, biodiesel is considered the most suitable replacement for fossil-based diesel. In what concerns the industrial application for biodiesel production, homogeneous catalysts such as sodium hydroxide, potassium hydroxide, sulfuric acid, and hydrochloric acid are usually selected, but their removal after reaction could prove to be rather complex and sometimes polluting, resulting in increases on the production costs. Therefore, there is an open field for research on new catalysts regarding biodiesel production, which can comprise heterogeneous catalysts. Apart from that, there are other alternatives to these chemical catalysts. Enzymatic catalysts have also been used in biodiesel production by employing lipases as biocatalysts. For economic reasons, and reusability and recycling, the lipases urged to be immobilized on suitable supports, thus the concept of heterogeneous biocatalysis comes in existence. Just like other heterogeneous catalytic materials, this one also presents similar issues with inefficiency and mass-transfer limitations. A solution to overcome the said limitations can be to consider the use of nanostructures to support enzyme immobilization, thus obtaining new heterogeneous biocatalysts. This review mainly focuses on the application of enzymatic catalysts as well as nano(bio)catalysts in transesterification reaction and their multiple methods of synthesis.
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22
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Bourkaib MC, Guiavarc’h Y, Chevalot I, Delaunay S, Gleize J, Ghanbaja J, Valsaque F, Berrada N, Desforges A, Vigolo B. Non-covalent and covalent immobilization of Candida antarctica lipase B on chemically modified multiwalled carbon nanotubes for a green acylation process in supercritical CO2. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.08.046] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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23
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Zhong L, Feng Y, Wang G, Wang Z, Bilal M, Lv H, Jia S, Cui J. Production and use of immobilized lipases in/on nanomaterials: A review from the waste to biodiesel production. Int J Biol Macromol 2020; 152:207-222. [PMID: 32109471 DOI: 10.1016/j.ijbiomac.2020.02.258] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 02/20/2020] [Accepted: 02/23/2020] [Indexed: 01/19/2023]
Abstract
As a highly efficient and environmentally friendly biocatalyst, immobilized lipase has received incredible interest among the biotechnology community for the production of biodiesel. Nanomaterials possess high enzyme loading, low mass transfer limitation, and good dispersibility, making them suitable biocatalytic supports for biodiesel production. In addition to traditional nanomaterials such as nano‑silicon, magnetic nanoparticles and nano metal particles, novel nanostructured forms such as nanoflowers, carbon nanotubes, nanofibers and metal-organic frameworks (MOFs) have also been studied for biodiesel production in the recent years. However, some problems still exist that need to be overcome in achieving large-scale biodiesel production using immobilized lipase on/in nanomaterials. This article mainly presents an overview of the current and state-of-the-art research on biodiesel production by immobilized lipases in/on nanomaterials. Various immobilization strategies of lipase on various advanced nanomaterial supports and its applications in biodiesel production are highlighted. Influential factors such as source of lipase, immobilization methods, feedstocks, and production process are also critically discussed. Finally, the current challenges and future directions in developing immobilized lipase-based biocatalytic systems for high-level production of biodiesel from waste resources are also recommended.
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Affiliation(s)
- Le Zhong
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Yuxiao Feng
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Gaoyang Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Ziyuan Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Hexin Lv
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China.
| | - Shiru Jia
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Jiandong Cui
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China.
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24
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Bartha-Vári JH, Moisă ME, Bencze LC, Irimie FD, Paizs C, Toșa MI. Efficient Biodiesel Production Catalyzed by Nanobioconjugate of Lipase from Pseudomonas fluorescens. Molecules 2020; 25:E651. [PMID: 32028723 PMCID: PMC7037990 DOI: 10.3390/molecules25030651] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/20/2020] [Accepted: 02/01/2020] [Indexed: 01/18/2023] Open
Abstract
The Amano lipase from Pseudomonas fluorescens (L-AK) was covalently immobilized on various carbon nanomaterials (functionalized single-walled carbon nanotubes and graphene oxide) and tested for biodiesel production. Using the most active lipase preparation (covalently immobilized L-AK on SwCNTNH2 derivatized with glycerol diglycidyl ether) under optimal conditions, quasi-complete conversion (>99%) of sunflower oil was obtained after only 4 h reaction time. Moreover, the biocatalyst maintained more than 99% of its initial activity in the batch system after multiple recycling experiments.
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Affiliation(s)
| | | | | | | | | | - Monica Ioana Toșa
- Babeș-Bolyai University, Biocatalysis and Biotransformation Research Center, Arany János 11, 400028 Cluj-Napoca, Romania; (J.-H.B.-V.); (M.E.M.); (L.C.B.); (F.-D.I.); (C.P.)
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25
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Lipase Catalysis in Presence of Nonionic Surfactants. Appl Biochem Biotechnol 2019; 191:744-762. [DOI: 10.1007/s12010-019-03212-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 12/05/2019] [Indexed: 02/06/2023]
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26
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Li Y, Wang H, Lu J, Chu A, Zhang L, Ding Z, Xu S, Gu Z, Shi G. Preparation of immobilized lipase by modified polyacrylonitrile hollow membrane using nitrile-click chemistry. BIORESOURCE TECHNOLOGY 2019; 274:9-17. [PMID: 30496970 DOI: 10.1016/j.biortech.2018.11.075] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 06/09/2023]
Abstract
The application of immobilized lipase in the enzymatic production of biodiesel has shown numerous advantages. In this study, surface of Polyacrylonitrile (PAN) hollow membrane was first modified using nitrile-click chemistry in order to fit for interaction with enzyme proteins. Then sodium alginate (SA) was introduced and the membrane was post-treated by CaCl2. When the prepared PAN-PEI-SA-CaCl2 was used for lipase immobilization, the protein loading was 36.90 mg/g, and the enzyme activity reached up to 54.47 U/g, which was 2.5 times as much as that of Novozym® 435. As a result, the constructed immobilized lipase obtained a maximum biodiesel yield of 78.5%, which was 2.4 times that of the Novozym® 435 in transesterification reactions. Moreover, the biodiesel yield decreased by only 11% after the immobilized enzyme was continuously used for 20 times. This study exhibits that this technic has broad application prospects in the field of conversion of biomass resources.
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Affiliation(s)
- Youran Li
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Hanrong Wang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Jiawei Lu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Alex Chu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Liang Zhang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Zhongyang Ding
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Sha Xu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Zhenghua Gu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China
| | - Guiyang Shi
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, People's Republic of China.
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27
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Nagy F, Tasnádi G, Balogh‐Weiser D, Bell E, Hall M, Faber K, Poppe L. Smart Nanoparticles for Selective Immobilization of Acid Phosphatases. ChemCatChem 2018; 10:3490-3499. [PMID: 30263083 PMCID: PMC6146910 DOI: 10.1002/cctc.201800405] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Indexed: 01/24/2023]
Abstract
An easy to use method combining the selectivity of metal chelate affinity binding with strong covalent linking was developed for immobilization of non-specific acid phosphatases bearing a His-tag from crude cell lysate. Silica nanoparticles were grafted with aminopropyl functions which were partially transformed further with EDTA dianhydride to chelators. The heterofunctionalized nanoparticles charged with Ni2+ as the most appropriate metal ion were applied as support. First, the His-tagged phosphatases were selectively bound to the metal-chelate functions of the support. Then, the enzyme-charged silica nanoparticles were further stabilized by forming a covalent linkage between nucleophilic moieties at the enzyme surface and free amino groups of the support using neopentylglycol diglycidylether as the most effective bifunctional linking agent. The phosphatase biocatalysts obtained by this method exhibited better phosphate transfer activity with a range of alcohols and PPi as phosphate donor in aqueous medium applying batch and continuous-flow modes than the ones immobilized on conventional supports. Furthermore, this novel strategy opens up novel possibility for efficient immobilization of other His-tagged recombinant enzymes.
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Affiliation(s)
- Flóra Nagy
- Department of Organic Chemistry and TechnologyBudapest University of Technology and EconomicsMűegyetem rkp. 31111BudapestHungary
| | - Gábor Tasnádi
- Austrian Centre of Industrial Biotechnology,c/oDepartment of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 288010GrazAustria
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 288010GrazAustria
| | - Diána Balogh‐Weiser
- Department of Organic Chemistry and TechnologyBudapest University of Technology and EconomicsMűegyetem rkp. 31111BudapestHungary
| | - Evelin Bell
- Department of Organic Chemistry and TechnologyBudapest University of Technology and EconomicsMűegyetem rkp. 31111BudapestHungary
| | - Mélanie Hall
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 288010GrazAustria
| | - Kurt Faber
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 288010GrazAustria
| | - László Poppe
- Department of Organic Chemistry and TechnologyBudapest University of Technology and EconomicsMűegyetem rkp. 31111BudapestHungary
- Biocatalysis and Biotransformation Research Center Faculty of Chemistry and Chemical EngineeringBabes-Bolyai University of Cluj-NapocaArany János str. 11400028Cluj-NapocaRomania
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28
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Ong CB, Annuar MSM. Immobilization of cross-linked tannase enzyme on multiwalled carbon nanotubes and its catalytic behavior. Prep Biochem Biotechnol 2018; 48:181-187. [DOI: 10.1080/10826068.2018.1425707] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Chong-Boon Ong
- Faculty of Science, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Mohamad S. M. Annuar
- Faculty of Science, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
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29
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Moisă ME, Poppe L, Gal CA, Bencze LC, Irimie FD, Paizs C, Peter F, Toşa MI. Click reaction-aided enzymatic kinetic resolution of secondary alcohols. REACT CHEM ENG 2018. [DOI: 10.1039/c8re00091c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new, efficient lipase-mediated kinetic resolution–click-reaction-based procedure is presented for the production of both enantiomers of various 1-(hetero)aromatic ethanols.
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Affiliation(s)
- Mădălina Elena Moisă
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
| | - László Poppe
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
- Department of Organic Chemistry and Technology
| | - Cristian Andrei Gal
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
| | - László Csaba Bencze
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
| | - Florin Dan Irimie
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
| | - Csaba Paizs
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
| | - Francisc Peter
- Biocatalysis Group
- University Politehnica of Timişoara
- 300001 Timisoara
- Romania
| | - Monica Ioana Toşa
- Biocatalysis and Biotransformation Research Center
- Babeş-Bolyai University of Cluj-Napoca
- RO-400028 Cluj-Napoca
- Romania
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30
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Zhou L, He Y, Ma L, Jiang Y, Huang Z, Yin L, Gao J. Conversion of levulinic acid into alkyl levulinates: Using lipase immobilized on meso-molding three-dimensional macroporous organosilica as catalyst. BIORESOURCE TECHNOLOGY 2018; 247:568-575. [PMID: 28982086 DOI: 10.1016/j.biortech.2017.08.134] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 08/19/2017] [Accepted: 08/21/2017] [Indexed: 06/07/2023]
Abstract
For conversion of biomass-derived levulinic acid into alkyl levulinates, a novel kind of lipase-based biocatalyst was prepared through immobilized lipase B from C. antarctica (CALB) on organosilica material with highly ordered 3D macroporous organosilica frameworks and a 2D hexagonal meso-structure (named 3DOM/m-OS) for the first time. The catalytic performance of the immobilized lipase (NER@3DOM/m-OS) was investigated. NER@3DOM/m-OS was used as biocatalyst to catalyze the esterification reaction between levulinic acid (LA) and n-butanol. Under optimized reaction conditions, 74.59% of ester yield was achieved after 12h of reaction. NER@3DOM/m-OS was also used to production of other alkyl levulinates, the ester yields increased to 84.51% (octyl levulinate) and 91.14% (dodecyl levulinate), respectively. When NER@3DOM/m-OS was used repeatedly in batch reactions, the ester yields of n-butyl, octyl, and dodecyl levulinate could retain 46.18%, 82.33% and 81.25% after 9 reaction cycles, respectively, which was better than commercial lipase Novozym 435 under the same condition.
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Affiliation(s)
- Liya Zhou
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Ying He
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Li Ma
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Yanjun Jiang
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China; National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, Hebei University of Technology, Tianjin 300130, China.
| | - Zhihong Huang
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Luyan Yin
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Jing Gao
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
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31
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Spongin-Based Scaffolds from Hippospongia communis Demosponge as an Effective Support for Lipase Immobilization. Catalysts 2017. [DOI: 10.3390/catal7050147] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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32
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Liu LH, Shih YH, Liu WL, Lin CH, Huang HY. Enzyme Immobilized on Nanoporous Carbon Derived from Metal-Organic Framework: A New Support for Biodiesel Synthesis. CHEMSUSCHEM 2017; 10:1364-1369. [PMID: 28195433 DOI: 10.1002/cssc.201700142] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 02/12/2017] [Indexed: 06/06/2023]
Abstract
In this study, nanoporous carbon (NPC) derived from metal-organic framework was used as support for the immobilization of Burkholderia cepacia lipase. The decorated aluminum oxide within the mesoporous NPC improved the enzyme loading efficiency as well as the catalytic ability for the transesterification of soybean oil, thus making it a promising green and sustainable catalytic system for industrial application.
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Affiliation(s)
- Li-Hao Liu
- Department of Chemistry, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan
| | - Yung-Han Shih
- Department of Chemistry, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan
| | - Wan-Ling Liu
- Department of Chemistry, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan
| | - Chia-Her Lin
- Department of Chemistry, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan
| | - Hsi-Ya Huang
- Department of Chemistry, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan
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33
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He Y, Li J, Kodali S, Chen B, Guo Z. The near-ideal catalytic property of Candida antarctica lipase A to highly concentrate n-3 polyunsaturated fatty acids in monoacylglycerols via one-step ethanolysis of triacylglycerols. BIORESOURCE TECHNOLOGY 2016; 219:466-478. [PMID: 27521783 DOI: 10.1016/j.biortech.2016.08.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 08/01/2016] [Accepted: 08/03/2016] [Indexed: 06/06/2023]
Abstract
Declining quantity/quality of available n-3 polyunsaturated fatty acids (n-3 PUFAs) resources demand innovative technology to concentrate n-3 PUFAs from low quality oils into value-added products/health-beneficial ingredients rich in n-3 PUFAs. This work proposed the catalytic property and specificity of an ideal enzyme required to tackle this task and identified Candida antarctica lipase A (CAL-A) is such a near-ideal enzyme in practice, which concentrates n-3 PUFAs from 25% to 27% in oils to a theoretically closer value 90% in monoacylglycerols (MAGs) via one-step enzymatic ethanolysis. Non-regiospecificity and high non-n-3 PUFAs preference of CAL-A are the catalytic feature to selectively cleave non-n-3 PUFAs in all 3 positions of triacylglycerols (TAGs); while high ethanol/TAGs ratio, low operation temperature and high tolerance to polar ethanol are essential conditions beyond biocatalyst itself. C-13 Nuclear magnetic resonance ((13)C NMR) analysis and competitive factor estimation verified the hypothesis and confirmed the plausible suggestion of catalytic mechanism of CAL-A.
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Affiliation(s)
- Yongjin He
- College of Life Science, Fujian Normal University, Fuzhou 350117, China; Department of Engineering, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark
| | - Jingbo Li
- Department of Engineering, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark
| | - Sitharam Kodali
- Department of Engineering, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark
| | - Bilian Chen
- College of Life Science, Fujian Normal University, Fuzhou 350117, China; Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou 350117, China.
| | - Zheng Guo
- Department of Engineering, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark
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34
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Koutinas ΑΑ, Papafotopoulou-Patrinou E, Gialleli AI, Petsi T, Bekatorou A, Kanellaki M. Production of nanotubes in delignified porous cellulosic materials after hydrolysis with cellulase. BIORESOURCE TECHNOLOGY 2016; 213:169-171. [PMID: 26996258 DOI: 10.1016/j.biortech.2016.03.065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 03/09/2016] [Accepted: 03/11/2016] [Indexed: 06/05/2023]
Abstract
In this study, tubular cellulose (TC), a porous cellulosic material produced by delignification of sawdust, was treated with a Trichoderma reesei cellulase in order to increase the proportion of nano-tubes. The effect of enzyme concentration and treatment duration on surface characteristics was studied and the samples were analyzed with BET, SEM and XRD. Also, a composite material of gelatinized starch and TC underwent enzymatic treatment in combination with amylase (320U) and cellulase (320U) enzymes. For TC, the optimum enzyme concentration (640U) led to significant increase of TC specific surface area and pore volume along with the reduction of pore diameter. It was also shown that the enzymatic treatment did not result to a significant change of cellulose crystallinity index. The produced nano-tubular cellulose shows potential for application to drug and chemical preservative delivery systems.
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Affiliation(s)
- Αthanasios Α Koutinas
- Food Biotechnology Group, Department of Chemistry, University of Patras, Patras 26500, Greece.
| | | | | | - Theano Petsi
- Food Biotechnology Group, Department of Chemistry, University of Patras, Patras 26500, Greece
| | - Argyro Bekatorou
- Food Biotechnology Group, Department of Chemistry, University of Patras, Patras 26500, Greece
| | - Maria Kanellaki
- Food Biotechnology Group, Department of Chemistry, University of Patras, Patras 26500, Greece
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35
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Abaházi E, Lestál D, Boros Z, Poppe L. Tailoring the Spacer Arm for Covalent Immobilization of Candida antarctica Lipase B-Thermal Stabilization by Bisepoxide-Activated Aminoalkyl Resins in Continuous-Flow Reactors. Molecules 2016; 21:molecules21060767. [PMID: 27304947 PMCID: PMC6274432 DOI: 10.3390/molecules21060767] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 06/07/2016] [Accepted: 06/08/2016] [Indexed: 11/18/2022] Open
Abstract
An efficient and easy-to-perform method was developed for immobilization of CaLB on mesoporous aminoalkyl polymer supports by bisepoxide activation. Polyacrylate resins (100–300 µm; ~50 nm pores) with different aminoalkyl functional groups (ethylamine: EA and hexylamine: HA) were modified with bisepoxides differing in the length, rigidity and hydrophobicity of the units linking the two epoxy functions. After immobilization, the different CaLB preparations were evaluated using the lipase-catalyzed kinetic resolution (KR) of racemic 1-phenylethanol (rac-1) in batch mode and in a continuous-flow reactor as well. Catalytic activity, enantiomer selectivity, recyclability, and the mechanical and long-term stability of CaLB immobilized on the various supports were tested. The most active CaLB preparation (on HA-resin activated with 1,6-hexanediol diglycidyl ether—HDGE) retained 90% of its initial activity after 13 consecutive reaction cycles or after 12 month of storage at 4 °C. The specific rate (rflow), enantiomer selectivity (E) and enantiomeric excess (ee) achievable with the best immobilized CaLB preparations were studied as a function of temperature in kinetic resolution of rac-1 performed in continuous-flow packed-bed bioreactors. The optimum temperature of the most active HA-HDGE CaLB in continuous-flow mode was 60 °C. Although CaLB immobilized on the glycerol diglycidyl ether (GDGE)-activated EA-resin was less active and less selective, a much higher optimum temperature (80 °C) was observed with this form in continuous-flow mode KR of rac-1.
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Affiliation(s)
- Emese Abaházi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, Budapest H-1111, Hungary.
| | - Dávid Lestál
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, Budapest H-1111, Hungary.
| | - Zoltán Boros
- SynBiocat LLC; Lövőház u. 19/1, Budapest H-1043, Hungary.
| | - László Poppe
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, Budapest H-1111, Hungary.
- SynBiocat LLC; Lövőház u. 19/1, Budapest H-1043, Hungary.
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36
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Heterocycles 36. Single-Walled Carbon Nanotubes-Bound N,N-Diethyl Ethanolamine as Mild and Efficient Racemisation Agent in the Enzymatic DKR of 2-Arylthiazol-4-yl-alanines. Molecules 2015; 21:E25. [PMID: 26712727 PMCID: PMC6273000 DOI: 10.3390/molecules21010025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 12/17/2015] [Accepted: 12/21/2015] [Indexed: 11/16/2022] Open
Abstract
In this paper we describe the chemoenzymatic synthesis of enantiopure l-2-arylthiazol-4-yl alanines starting from their racemic N-acetyl derivatives; by combining the lipase-catalysed dynamic kinetic resolution of oxazol-5(4H)-ones with a chemical and an enzymatic enantioselective hydrolytic step affording the desired products in good yields (74%–78%) and high enantiopurities (ee > 99%). The developed procedure exploits the utility of the single-walled carbon nanotubes-bound diethylaminoethanol as mild and efficient racemisation agent for the dynamic kinetic resolution of the corresponding oxazolones.
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