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Lu T, Su K, Ma G, Jia C, Li J, Zhao Q, Song M, Xu C, Song X. The growth and nutrient removal properties of heterotrophic microalgae Chlorella sorokiniana in simulated wastewater containing volatile fatty acids. CHEMOSPHERE 2024; 358:142270. [PMID: 38719126 DOI: 10.1016/j.chemosphere.2024.142270] [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: 02/04/2024] [Revised: 04/22/2024] [Accepted: 05/05/2024] [Indexed: 05/12/2024]
Abstract
To reduce the high cost of organic carbon sources in waste resource utilization in the cultivation of microalgae, volatile fatty acids (VFAs) derived from activated sludge were used as the sole carbon source to culture Chlorella sorokiniana under the heterotrophic cultivation. The addition of VFAs in the heterotrophic condition enhanced the total nitrogen (TN) and phosphorus (TP) removal of C. sorokiniana, which proved the advantageous microalgae in using VFAs in the heterotrophic culture after screening in the previous study. To discover the possible mechanism of nitrogen and phosphorus adsorption in heterotrophic conditions by microalgae, the effect of different ratios of VFAs (acetic acid (AA): propionic acid (PA): butyric acid (BA)) on the nutrient removal and growth properties of C. sorokiniana was studied. In the 8:1:1 group, the highest efficiency (77.19%) of VFAs assimilation, the highest biomass (0.80 g L-1) and lipid content (31.35%) were achieved, with the highest TN and TP removal efficiencies of 97.44 % and 91.02 %, respectively. Moreover, an aerobic denitrifying bacterium, Pseudomonas, was determined to be the dominant genus under this heterotrophic condition. This suggested that besides nitrate uptake and utilization by C. sorokiniana under the heterotrophy, the conduct of the denitrification process was also the main reason for obtaining high nitrogen removal efficiency.
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Affiliation(s)
- Tianxiang Lu
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China
| | - Kunyang Su
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China; Shandong Society for Environmental Sciences, Jinan, Shandong, 250014, PR China
| | - Guangxiang Ma
- Shandong Society for Environmental Sciences, Jinan, Shandong, 250014, PR China
| | - Cong Jia
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China
| | - Jie Li
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China
| | - Qi Zhao
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China
| | - Mingming Song
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China.
| | - Chongqing Xu
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China; Ecology Institute of Shandong Academy of Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250013, PR China
| | - Xiaozhe Song
- School of Environmental Science & Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, 250353, PR China
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Liu X, Cong F, Han M, Zhang L, Wang Z, Jiang L, Liu B, Zhang S, Yang W, Su Y, Li T, Wang Y, Liu D. Copper Phthalocyanine Improving Nonaqueous Catalysis of Pseudomonas cepacia Lipase for Ester Synthesis. Appl Biochem Biotechnol 2024; 196:1786-1802. [PMID: 37368171 DOI: 10.1007/s12010-023-04339-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2023] [Indexed: 06/28/2023]
Abstract
The nonaqueous catalysis of lipases is significant for synthesis of high pure esters, but they usually behave low catalytic activity due to denaturation and aggregation of enzyme protein in organic phases. To improve the nonaqueous catalysis, the inexpensive copper phthalocyanine was taken as a new carrier on which Pseudomonas cepacia lipase was immobilized by physical absorption, and used for synthesis of hexyl acetate, an important flavor, via transesterification of hexanol and vinyl acetate. Results showed that the desired loading was 10-mg lipase immobilized on 10-mg copper phthalocyanine powder. When the immobilized lipase was employed in the reaction system consisted of 1.5-mL hexanol and 1.5-mL vinyl acetate at 37°C and 160 rpm, the conversion was fivefolds of that catalyzed by native lipase after 1 h, and reached 99.0% after 8 h. In six times of 8-h reuses, the immobilized lipase behaved an activity attenuation rate 1.22% h-1, lower than 1.77% h-1 of native lipase, which meant that the immobilized lipase was more stable. Even at the room temperature and the static state without shaking or stirring, the immobilized lipase still brought conversion 42.8% after 10 h and the native lipase gave 20.1%. Obviously, the immobilized lipase is an available biocatalyst in organic phase and has great potential in food industry.
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Affiliation(s)
- Xinran Liu
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Fangdi Cong
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China.
- Biccamin (Tianjin) Biotechnology R & D Stock Co., Ltd, Tianjin, 300393, People's Republic of China.
| | - Mengyao Han
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Liwang Zhang
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Zhongli Wang
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Lu Jiang
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Bingqian Liu
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Shulin Zhang
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Wei Yang
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Yongpeng Su
- Biccamin (Tianjin) Biotechnology R & D Stock Co., Ltd, Tianjin, 300393, People's Republic of China
| | - Tao Li
- School of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Yingchao Wang
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
| | - Daying Liu
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agriculture University, Tianjin, 300392, People's Republic of China
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Symons J, Dixon TA, Dalziell J, Curach N, Paulsen IT, Wiskich A, Pretorius IS. Engineering biology and climate change mitigation: Policy considerations. Nat Commun 2024; 15:2669. [PMID: 38531884 DOI: 10.1038/s41467-024-46865-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 03/13/2024] [Indexed: 03/28/2024] Open
Abstract
Engineering biology (EngBio) is a dynamic field that uses gene editing, synthesis, assembly, and engineering to design new or modified biological systems. EngBio applications could make a significant contribution to achieving net zero greenhouse gas emissions. Yet, policy support will be needed if EngBio is to fulfil its climate mitigation potential. What form should such policies take, and what EngBio applications should they target? This paper reviews EngBio's potential climate contributions to assist policymakers shape regulations and target resources and, in so doing, to facilitate democratic deliberation on desirable futures.
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Affiliation(s)
- Jonathan Symons
- Australian Research Council (ARC) Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, NSW, 2109, Australia.
| | - Thomas A Dixon
- Australian Research Council (ARC) Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, NSW, 2109, Australia
| | - Jacqueline Dalziell
- School of History and Philosophy of Science, University of Sydney, Sydney, NSW, Australia
| | | | - Ian T Paulsen
- Australian Research Council (ARC) Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, NSW, 2109, Australia
| | - Anthony Wiskich
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Brisbane, QLD, Australia
| | - Isak S Pretorius
- Australian Research Council (ARC) Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, NSW, 2109, Australia
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Sahu S, Sharma S, Kaur A, Singh G, Khatri M, Arya SK. Algal carbohydrate polymers: Catalytic innovations for sustainable development. Carbohydr Polym 2024; 327:121691. [PMID: 38171696 DOI: 10.1016/j.carbpol.2023.121691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024]
Abstract
Algal polysaccharides, harnessed for their catalytic potential, embody a compelling narrative in sustainable chemistry. This review explores the complex domains of algal carbohydrate-based catalysis, revealing its diverse trajectory. Starting with algal polysaccharide synthesis and characterization methods as catalysts, the investigation includes sophisticated techniques like NMR spectroscopy that provide deep insights into the structural variety of these materials. Algal polysaccharides undergo various preparation and modification techniques to enhance their catalytic activity such as immobilization. Homogeneous catalysis, revealing its significance in practical applications like crafting organic compounds and facilitating chemical transformations. Recent studies showcase how algal-derived catalysts prove to be remarkably versatile, showcasing their ability to customise reactions for specific substances. Heterogeneous catalysis, it highlights the significance of immobilization techniques, playing a central role in ensuring stability and the ability to reuse catalysts. The practical applications of heterogeneous algal catalysts in converting biomass and breaking down contaminants, supported by real-life case studies, emphasize their effectiveness. In sustainable chemistry, algal polysaccharides emerge as compelling catalysts, offering a unique intersection of eco-friendliness, structural diversity, and versatile catalytic properties. Tackling challenges such as dealing with complex structural variations, ensuring the stability of the catalyst, and addressing economic considerations calls for out-of-the-box and inventive solutions. Embracing the circular economy mindset not only assures sustainable catalyst design but also promotes efficient recycling practices. The use of algal carbohydrates in catalysis stands out as a source of optimism, paving the way for a future where chemistry aligns seamlessly with nature, guiding us toward a sustainable, eco-friendly, and thriving tomorrow. This review encapsulates-structural insights, catalytic applications, challenges, and future perspectives-invoking a call for collective commitment to catalyze a sustainable scientific revolution.
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Affiliation(s)
- Sudarshan Sahu
- Department of Biotechnology Engineering, University Institute of Engineering & Technology, Panjab University, Chandigarh, India
| | - Shalini Sharma
- Department of Biotechnology Engineering, University Institute of Engineering & Technology, Panjab University, Chandigarh, India
| | - Anupreet Kaur
- Department of Biotechnology Engineering, University Institute of Engineering & Technology, Panjab University, Chandigarh, India
| | - Gursharan Singh
- Department of Medical Laboratory Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Madhu Khatri
- Department of Biotechnology Engineering, University Institute of Engineering & Technology, Panjab University, Chandigarh, India
| | - Shailendra Kumar Arya
- Department of Biotechnology Engineering, University Institute of Engineering & Technology, Panjab University, Chandigarh, India.
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Abellanas-Perez P, Carballares D, Rocha-Martin J, Fernandez-Lafuente R. The effects of the chemical modification on immobilized lipase features are affected by the enzyme crowding in the support. Biotechnol Prog 2024; 40:e3394. [PMID: 37828788 DOI: 10.1002/btpr.3394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/07/2023] [Accepted: 09/22/2023] [Indexed: 10/14/2023]
Abstract
In this article, we have analyzed the interactions between enzyme crowding on a given support and its chemical modification (ethylenediamine modification via the carbodiimide route and picryl sulfonic (TNBS) modification of the primary amino groups) on the enzyme activity and stability. Lipase from Thermomyces lanuginosus (TLL) and lipase B from Candida antarctica (CALB) were immobilized on octyl-agarose beads at two very different enzyme loadings, one of them exceeding the capacity of the support, one well under this capacity. Chemical modifications of the highly loaded and lowly loaded biocatalysts gave very different results in terms of activity and stability, which could increase or decrease enzyme activity depending on the enzyme support loading. For example, both lowly loaded biocatalysts increased their activity after modification while the effect was the opposite for the highly loaded biocatalysts. Additionally, the modification with TNBS of highly loaded CALB biocatalyst increased its stability while decrease the activity.
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Affiliation(s)
| | - Diego Carballares
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain
| | - Javier Rocha-Martin
- Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University of Madrid, Madrid, Spain
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Sundaram T, Rajendran S, Gnanasekaran L, Rachmadona N, Jiang JJ, Khoo KS, Show PL. Bioengineering strategies of microalgae biomass for biofuel production: recent advancement and insight. Bioengineered 2023; 14:2252228. [PMID: 37661811 PMCID: PMC10478748 DOI: 10.1080/21655979.2023.2252228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/12/2023] [Accepted: 05/23/2023] [Indexed: 09/05/2023] Open
Abstract
Algae-based biofuel developed over the past decade has become a viable substitute for petroleum-based energy sources. Due to their high lipid accumulation rates and low carbon dioxide emissions, microalgal species are considered highly valuable feedstock for biofuel generation. This review article presented the importance of biofuel and the flaws that need to be overcome to ensure algae-based biofuels are effective for future-ready bioenergy sources. Besides, several issues related to the optimization and engineering strategies to be implemented for microalgae-based biofuel derivatives and their production were evaluated. In addition, the fundamental studies on the microalgae technology, experimental cultivation, and engineering processes involved in the development are all measures that are commendably used in the pre-treatment processes. The review article also provides a comprehensive overview of the latest findings about various algae species cultivation and biomass production. It concludes with the most recent data on environmental consequences, their relevance to global efforts to create microalgae-based biomass as effective biofuels, and the most significant threats and future possibilities.
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Affiliation(s)
- Thanigaivel Sundaram
- Department of Biotechnology, Faculty of Science & Humanities, SRM Institute of Science and Technology, Tamil Nadu, India
| | - Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Arica, Chile
| | - Lalitha Gnanasekaran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Arica, Chile
- Department of Mechanical Engineering, University Centre for Research & Development, Mohali, India
| | - Nova Rachmadona
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, West Java, Indonesia
- Research Collaboration Center for Biomass and Biorefinery between BRIN, Universitas Padjadjaran, West Java, Indonesia
| | - Jheng-Jie Jiang
- Advanced Environmental Ultra Research Laboratory (ADVENTURE) & Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan, Taiwan
- Center for Environmental Risk Management (CERM), Chung Yuan Christian University, Taoyuan, Taiwan
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu, India
| | - Pau Loke Show
- Department of Chemical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Selangor Darul Ehsan, Malaysia
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7
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Wang N, Li X. Mining of a novel reductase and its application for asymmetric reduction of p-methoxyacetophenone. Lett Appl Microbiol 2023; 76:ovad091. [PMID: 37533205 DOI: 10.1093/lambio/ovad091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/16/2023] [Accepted: 08/01/2023] [Indexed: 08/04/2023]
Abstract
(R)-1-(4-methoxyphenyl) ethanol [(R)-1b] is an essential precursor for the synthesis of aryl propanoic acids' anti-inflammatatory drugs. Biocatalysts for (R)-1b preparation are limited and reductase has problems of low substrate concentration and low conversion rate. As a result, there is a constant need for discovering novel biocatalysts with excellent catalytic performances. In this study, a novel reductase LpSDR from Lacisediminihabitans profunda for the biocatalytic reduction of p-methoxyacetophenone (1a) to (R)-1b was obtained based on gene-mining technology, and some key reaction parameters were also investigated to improve the conversion rate of 1a using whole cells of recombinant Escherichia coli expressing reductase LpSDR as biocatalysts. It was found that the optimal concentration of isopropanol, ZnSO4·7H2O solution, 1a, and recombinant E. coli resting cells, the optimal reaction temperature, buffer pH, and reaction time were 1.95 mol l-1, 0.75 mmol l-1, 75 mmol l-1, 250 g (wet weight) l-1, 28°C, 7.0, and 21 h, respectively. Under the above conditions, a conversion rate of 99.5% and an enantiomeric excess of 99.6% were obtained, which were superior to the corresponding values previously reported. This study provides a novel reductase LpSDR, which is helpful in reducing 1a to (R)-1b.
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Affiliation(s)
- Nengqiang Wang
- College of Basic Medicine, Youjiang Medical University for Nationalities, Baise 533000, Guangxi, China
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting, Youjiang Medical University for Nationalities, Education Department of Guangxi Zhuang Autonomous Region, Baise 533000, Guangxi, China
| | - Xiaojun Li
- Department of Fundamental Medicine, Xinyu University, Xinyu 338004, Jiangxi, China
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Song X, Zhang G, Luan J, Liu G, Wang J. Effect of magnetic fields on simultaneous nitrification and denitrification microbial systems. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2023; 88:517-529. [PMID: 37578871 PMCID: wst_2023_250 DOI: 10.2166/wst.2023.250] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
Magnetic fields positively influence the nitrogen removal efficiency in activated sludge systems. However, the structural succession pattern of microorganisms by magnetic fields still remains further explored. In this paper, a magnetic simultaneous nitrification and denitrification (MSND) reactor was constructed, and the influence of optimized magnetic field intensity (0, 10, 20 and 30 mT) on the nitrogen removal efficiency was investigated at HRT 6 h, 28.0-30.0 °C, and pH 7.0-8.0. Molecular biology was used to investigate the succession process of the dominant microbial flora and the functional gene structure of MSND systems. The results showed that the denitrification effects of the MSND system were significantly enhanced, which contributed to the lower concentration of total nitrogen in the effluent of the magnetic reactor than that of the nonmagnetic group reactor. The magnetic fields induced the succession of microbial community structure and improved the stability of microbial communities, thereby the relative abundances of nitrifying and denitrifying bacteria, and the functional genes were improved. In particular, the abundance of functional genes related to gene proliferation and transmembrane transport was increased. Therefore, the efficient nitrogen removal was achieved, which gives inspiration in the enhanced wastewater treatment by magnetic fields.
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Affiliation(s)
- Xintong Song
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China E-mail:
| | - Guanglu Zhang
- Jinan Urban Construction Group Co., Ltd, Jinan 250014, China
| | - Jiajia Luan
- Logistics Service Office of Weifang Vocational College, Weifang 262737, China
| | - Guicai Liu
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
| | - Jiabin Wang
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
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Kiyani DA, Maryam S, Amina SJ, Ahmad A, Chattha MWA, Janjua HA. Lipid extraction and analysis of microalgae strain pectinodesmus PHM3 for biodiesel production. BMC Biotechnol 2023; 23:20. [PMID: 37430266 DOI: 10.1186/s12896-023-00784-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 05/23/2023] [Indexed: 07/12/2023] Open
Abstract
The current study is focused on the lipid extract of microalgae; Pectinodesmus strain PHM3 and its general analysis in terms of chemical contents. Combinations of both chemical and mechanistic approaches were applied to obtain the maximum yield of lipids which was recorded to be 23% per gram through continuous agitation using Folch solution. The extraction methods used in this study included: Bligh and Dyers method, Continuous agitation method, Extraction using Soxhlet and Acid base extraction method. Lipid quantification of ethanol and Folch solution lipid extract was performed through gravimetric methods and qualification was done through Fourier Transmission Infrared Spectroscopy (FTIR) and Gas Chromatographymass spectrometry (GC-MS). Phytochemical analysis identified other compounds in ethanol extract and the results confirmed the presence of steroids, coumarins, tannins, phenols and carbohydrates. Transesterification of lipids showed 7% per gram dry weight yield of Pectinodesmus PHM3. GC-MS studies of extracted biodiesel suggested that 72% of biofuels was in the form of dipropyl ether, ethyl butyl ethers, methyl butyl ether and propyl butyl ether. Lipid processing of acid-base extract showed that oily nature of lipid shifted to a more precipitated form which is a common observation when mixture of lipids is converted to phosphatides.
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Affiliation(s)
- Dania Akram Kiyani
- Department of Industrial Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
| | - Shafia Maryam
- Department of Industrial Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
| | - Sundus Jabeen Amina
- Department of Industrial Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
| | - Abdullah Ahmad
- Department of Industrial Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
| | - Muhammad Waqas Alam Chattha
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
| | - Hussnain Ahmed Janjua
- Department of Industrial Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan.
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Vélez MA, Wolf VI, Espariz M, Acciarri G, Magni C, Hynes E, Perotti MC. Study of volatile compounds profiles in milk matrices using Enterococcus faecalis EstA and Rhizomucor miehei lipase. Food Res Int 2023; 169:112861. [PMID: 37254435 DOI: 10.1016/j.foodres.2023.112861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 02/02/2023] [Accepted: 04/17/2023] [Indexed: 06/01/2023]
Abstract
The use of esterase/lipase enzymes of different origins in food industry is a widely employed strategy to enhance the formation of characteristic aromatic compounds derived from fat and diversify flavour. In the present work, we studied EstA enzyme of Enterococcus faecalis and a high purity Rhizomucor miehei lipase (Palatase). EstA was obtained recombinantly in Escherichia coli BL21 (DE3), and optimum esterase activity was detected at pH 6.75 and 40 °C. We evaluated the effect of the enzymes on milk mixtures prepared with different fat contents (2.8 and 6%) and structure (native or homogenized) on volatile compounds profiles. The milk fat structure before and after the application of low homogenization was characterized by dynamic light dispersion and microscopy. Native milk fat mixtures presented particles of 4.6 μm and 184 nm and homogenized mixtures had particles of 1.4 μm and 258 nm; microscopy images were in concordance with these results. Fifteen volatile compounds were identified, including ketones, esters, alcohols, and acids. We showed the key role of milk fat levels and microstructure in the nature of the volatile compounds produced by the R. miehei enzyme. Both in native or homogenized states, the highest content of fat favored a higher production of acids whereas the lowest fat level favored a higher esters production along with a more balanced volatile profile. For EstA enzyme, results showed a limited action on fat, as biosynthesis of esters only increased with the highest fat level homogenized.
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Affiliation(s)
- María A Vélez
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina.
| | - Verónica I Wolf
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina
| | - Martín Espariz
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Suipacha 590, 2000, Rosario, Santa Fe, Argentina
| | - Giuliana Acciarri
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Suipacha 590, 2000, Rosario, Santa Fe, Argentina
| | - Christian Magni
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Suipacha 590, 2000, Rosario, Santa Fe, Argentina
| | - Erica Hynes
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina
| | - María C Perotti
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina
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Eser A, Aydemir T. Immobilization of Subtilisin Carlsberg and its use for transesterification of N-acetyl-L-phenylalanine ethyl ester in organic medium. Bioprocess Biosyst Eng 2023:10.1007/s00449-023-02887-0. [PMID: 37269356 DOI: 10.1007/s00449-023-02887-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 05/23/2023] [Indexed: 06/05/2023]
Abstract
In this study, inorganic-based carrier perlite (PER) and cyclodextrin-modified perlite (PER-CD) were used for Subtilisin Carlsberg (SC) immobilization. For enzyme immobilization, the supports aminated with 3-aminotriethoxysilane were first activated with glutaraldehyde (GA) and genipin (GE), and then, the immobilized enzymes (PER-SC and PER-CD-SC) were obtained. The reaction medium for SC immobilization consisted of 500 mg carrier and 5 ml (1 mg/ml) enzyme solution. The immobilization conditions were pH 8.0, 25 °C, and 2 h incubation time. Free and immobilized SC were used for transesterification of N-acetyl-L-phenylalanine ethyl ester (APEE) with 1-propanol in tetrahydrofuran (THF). The transesterification activity of the enzyme and the yield of the transesterification reaction were determined by gas chromatography (GC). 50 mg of immobilized or 2.5 mg of free SC was added to the reaction medium, which was prepared as 1 mmol APEE and 10 mmol alcohol in 10 mL of THF. The conditions for the transesterification reaction were 60 °C and 24 h of incubation. The structure and surface morphology of the prepared carriers were characterized using scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). Casein substrate was used in the optimization study. The optimum temperature and pH for SC activity were found to be 50 °C and pH 8.0, respectively, for free and immobilized SC. The thermal stability of immobilized SC was found to be greater than that of free SC. At the end of 4 h of exposure to high temperature, the immobilized enzyme maintained its activity at approximately 50%, while the free enzyme was maintained at approximately 20%. However, modification with cyclodextrin did not alter the thermal stability. The transesterification yield was found to be approximately 55% for the free enzyme, while it was found to be approximately 68% and 77% for PER-SC and PER-CD-SC, respectively. The effect of metal ions and salts on transesterification yield was examined. The results showed that the addition of metal ions decreased the percentage of transesterification by approximately 10% compared to the control group, whereas the addition of salt significantly decreased the percentage of transesterification by 60-80% compared to the control group.
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Affiliation(s)
- Ahmet Eser
- Department of Chemistry, Faculty of Arts and Sciences, Manisa Celal Bayar University, 45140, Manisa, Turkey.
| | - Tülin Aydemir
- Department of Chemistry, Faculty of Arts and Sciences, Manisa Celal Bayar University, 45140, Manisa, Turkey
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dos Santos JCS, Dhenadhayalan N, Li Y, Pinilla JL. Editorial: Chemical reactions and catalysis for a sustainable future. Front Chem 2023; 11:1228591. [PMID: 37332892 PMCID: PMC10272991 DOI: 10.3389/fchem.2023.1228591] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/20/2023] Open
Affiliation(s)
- José C. S. dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, CE, Brazil
| | | | - Yanwei Li
- Environment Research Institute, Shandong University, Qingdao, China
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13
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Neto FS, Fernandes de Melo Neta MM, Sales MB, Silva de Oliveira FA, de Castro Bizerra V, Sanders Lopes AA, de Sousa Rios MA, Santos JCSD. Research Progress and Trends on Utilization of Lignocellulosic Residues as Supports for Enzyme Immobilization via Advanced Bibliometric Analysis. Polymers (Basel) 2023; 15:polym15092057. [PMID: 37177203 PMCID: PMC10181460 DOI: 10.3390/polym15092057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 03/05/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
Lignocellulosic biomasses are used in several applications, such as energy production, materials, and biofuels. These applications result in increased consumption and waste generation of these materials. However, alternative uses are being developed to solve the problem of waste generated in the industry. Thus, research is carried out to ensure the use of these biomasses as enzymatic support. These surveys can be accompanied using the advanced bibliometric analysis tool that can help determine the biomasses used and other perspectives on the subject. With this, the present work aims to carry out an advanced bibliometric analysis approaching the main studies related to the use of lignocellulosic biomass as an enzymatic support. This study will be carried out by highlighting the main countries/regions that carry out productions, research areas that involve the theme, and future trends in these areas. It was observed that there is a cooperation between China, USA, and India, where China holds 28.07% of publications in this area, being the country with the greatest impact in the area. Finally, it is possible to define that the use of these new supports is a trend in the field of biotechnology.
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Affiliation(s)
- Francisco Simão Neto
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza 60440-554, Brazil
| | | | - Misael Bessa Sales
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790-970, Brazil
| | - Francisco Arisson Silva de Oliveira
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790-970, Brazil
| | - Viviane de Castro Bizerra
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790-970, Brazil
| | - Ada Amélia Sanders Lopes
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790-970, Brazil
| | - Maria Alexsandra de Sousa Rios
- Departamento de Engenharia Mecânica, Universidade Federal do Ceará, Campus do Pici, Bloco 714, Fortaleza 60440-554, Brazil
| | - José Cleiton Sousa Dos Santos
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza 60440-554, Brazil
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790-970, Brazil
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14
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Xiao YY, Zhang JT, Dong YH, Li SL, Zhi GY, Zhang YF, Zhang DH. Improving the Encapsulation Efficiency of Lipase in Molecular Cages and Its Application. Bioconjug Chem 2023. [PMID: 37097628 DOI: 10.1021/acs.bioconjchem.3c00127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
Here, lipase encapsulation is constructed by locking enzyme molecules in nanomolecular cages on the surface of SH-PEI@PVAC magnetic microspheres. To improve the encapsulation efficiency in enzyme loading, the thiol group is efficiently modified on the grafted polyethyleneimine (PEI) using 3-mercaptopropionic acid. N2 adsorption-desorption isotherms reveal the existence of mesoporous molecular cages on the microsphere surface. The robust immobilizing strength of carriers to lipase demonstrates the successful encapsulation of enzymes in nanomolecular cages. The encapsulated lipase shows high enzyme loading (52.9 mg/g) and high activity (51.4 U/mg). Different sizes of molecular cages are established, and the cage size showed important effects on lipase encapsulation. It shows that enzyme loading is low at a small size of molecular cages, which is attributed to that the nanomolecular cage is too small to house lipase. The investigation in lipase conformation suggests that the encapsulated lipase retains its active conformation. Compared with the adsorbed lipase, the encapsulated lipase shows higher thermal stability (4.9 times) and higher resistance to denaturants (5.0 times). Encouragingly, the encapsulated lipase shows high activity and reusability in lipase-catalyzed synthesis of propyl laurate, suggesting the potential application value of encapsulated lipase.
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Affiliation(s)
- Yun-Yan Xiao
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Jiang-Tao Zhang
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Yong-Hua Dong
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Shu-Li Li
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Gao-Ying Zhi
- Department of Computer Teaching, Hebei University, Baoding 071002, China
| | - Ya-Fang Zhang
- Pharmacy Department, Baoding Children's Hospital, Baoding 071000, China
| | - Dong-Hao Zhang
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Science, Hebei University, Baoding 071002, China
- Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
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Cieh NL, Mokhtar MN, Baharuddin AS, Mohammed MAP, Wakisaka M. Progress on Lipase Immobilization Technology in Edible Oil and Fat Modifications. FOOD REVIEWS INTERNATIONAL 2023. [DOI: 10.1080/87559129.2023.2172427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- Ng Lin Cieh
- Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Mohd Noriznan Mokhtar
- Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Laboratory of Processing and Product Development, Institute of Plantation Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Azhari Samsu Baharuddin
- Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Mohd Afandi P. Mohammed
- Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Minato Wakisaka
- Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, Kitakyushu, Japan
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16
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Bin Rashid A. Utilization of Nanotechnology and Nanomaterials in Biodiesel Production and Property Enhancement. JOURNAL OF NANOMATERIALS 2023; 2023:1-14. [DOI: 10.1155/2023/7054045] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
In today’s world, the applications of nanotechnology and nanomaterials are attracting interest in a wide variety of study domains because of their appealing qualities. The use of nanotechnology and nanomaterials in biodiesel processing and manufacturing is a focus of research globally. For accelerating the progress and development of biodiesel production, more focus is being given to the application of advanced nanotechnology for maximum yield in low cost. Hence, this paper will discuss the utilization of numerous nanomaterials/nanocatalysts for biodiesel synthesis from multiple feedstocks. This study will also focus on nanomaterials’ applications in algae cultivation and lipid extraction. Furthermore, the current study will comprehensively overview the nanoadditives blended biodiesel in diesel engines and the significant challenges and future opportunities. Moreover, this paper will also focus on human and environmental safety concerns of nanotechnology-based large-scale biodiesel production. Hence, this review will provide perception for future manufacturers, researchers, and academicians into the extent of research in nanotechnology and nanomaterials assisted biodiesel production and its efficiency enhancement.
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Affiliation(s)
- Adib Bin Rashid
- Department of Industrial and Production Engineering, Military Institute of Science and Technology, Dhaka, Bangladesh
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17
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Carbohydrate microcapsules tailored and grafted for covalent immobilization of glucose isomerase for pharmaceutical and food industries. Biotechnol Lett 2023; 45:175-189. [PMID: 36482052 DOI: 10.1007/s10529-022-03323-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 10/31/2022] [Accepted: 11/15/2022] [Indexed: 12/14/2022]
Abstract
Carrageenan is one of the most common carbohydrates utilised in the entrapment industry to immobilise cells and enzymes. However, it lacks functionality. Carrageenan has been grafted to produce fructose by covalently immobilising glucose isomerase (GI). Fructose is one of the most widely used sweeteners in beverages, food production, and the pharmaceutical business. Up to 91.1 U g-1 gel beads are immobilised by the grafted beads. Immobilized GI has a Vmax of 13.8 times that of the free enzyme. pH of immobilized GI was improved from 6.5-7 to 6-7.5 that means more stability in wide pH range. Also, optimum temperature was improved and become 65-75 °C while it was at 70 °C for free enzyme. The immovability and tolerance of the gel beads immobilised with GI over 15 consecutive cycles were demonstrated in a reusability test, with 88 percent of the enzyme's original activity retained, compared to 60 percent by other authors. These findings are encouraging for high-fructose corn syrup producers.
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18
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Investigation and Screening of Mixed Microalgae Species for Lipase Production and Recovery using Liquid Biphasic Flotation Approach. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2022.104646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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19
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Wu S, Wu Y, Sun B, Zhang P, Tang K. Experimental and optimization for kinetic resolution of 1-(4-(trifluoromethyl)phenyl)ethanol enantiomers by lipase-catalyzed transesterification in organic phase. REACTION KINETICS MECHANISMS AND CATALYSIS 2022. [DOI: 10.1007/s11144-022-02339-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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20
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Liu X, Li X, Bai Y, Zhou X, Chen L, Qiu C, Lu C, Jin Z, Long J, Xie Z. Enhanced Stability of β-Agarase Immobilized on Streptavidin-Coated Fe 3O 4 Nanoparticles: Effect of Biotin Linker Length. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c03071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Xuewu Liu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Xingfei Li
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Yuxiang Bai
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Xing Zhou
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Long Chen
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Chao Qiu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Cheng Lu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Bioengineering, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Zhengyu Jin
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Jie Long
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Zhengjun Xie
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
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Suo H, Geng X, Sun Y, Zhang L, Yang J, Yang F, Yan H, Hu Y, Xu L. Surface Modification of Magnetic ZIF-90 Nanoparticles Improves the Microenvironment of Immobilized Lipase and Its Application in Esterification. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15384-15393. [PMID: 36448653 DOI: 10.1021/acs.langmuir.2c02672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Interactions of enzymes with supports significantly affect the activity and stability of immobilized enzymes. Herein, amino-functionalized ionic liquid (IL)-grafted magnetic zeolitic imidazolate framework-90 (MZIF-90) was prepared and used to immobilize porcine pancreatic lipase (PPL). The nanocomposites were fully characterized; meanwhile, the interactions between ILs and ZIF-90 were calculated based on density functional theory. The prepared biocatalyst (PPL-ILs/MZIF-90) had a lipase loading of 178.3 mg/g and hydrolysis activity up to 287.5 U/g. When the biocatalyst was used to synthesize isoamyl acetate, the reaction media, molar ratio of alcohol/acid, temperature, and reaction time were optimized. Under the optimized reaction conditions (in hexane, alcohol/acid = 3:1, under 45 °C, reacted for 9 h), the ester yield reached 85.5%. The results of the stability test showed that PPL-ILs/MZIF-90 retained 88.7% of the initial activity after storing for 35 days and 92.5% of the initial activity after reusing for seven cycles for synthesizing isoamyl acetate. Moreover, the secondary structure analysis showed that the synthesized supports protected the active conformation of immobilized lipase, which lead to the enhanced catalytic performance. Additionally, the biocatalyst can be easily separated with a magnet, which facilitated the reusability. This study provides insights regarding the application of metal organic framework composites in the field of enzyme catalysis.
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Affiliation(s)
- Hongbo Suo
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Xinyue Geng
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Yinghui Sun
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Lu Zhang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Jie Yang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Fan Yang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Hui Yan
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Yi Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China
| | - Lili Xu
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong 252059, China
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22
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Biosynthesis of alkanes/alkenes from fatty acids or derivatives (triacylglycerols or fatty aldehydes). Biotechnol Adv 2022; 61:108045. [DOI: 10.1016/j.biotechadv.2022.108045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/22/2022] [Accepted: 09/24/2022] [Indexed: 11/27/2022]
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Germano de Sousa I, Valério Chaves A, de Oliveira ALB, da Silva Moreira K, Gonçalves de Sousa Junior P, Simão Neto F, Cristina Freitas de Carvalho S, Bussons Rodrigues Valério R, Vieira Lima G, Sanders Lopes AA, Martins de Souza MC, da Fonseca AM, Fechine PBA, de Mattos MC, dos Santos JCS. A novel hybrid biocatalyst from immobilized Eversa ® Transform 2.0 lipase and its application in biolubricant synthesis. BIOCATAL BIOTRANSFOR 2022. [DOI: 10.1080/10242422.2022.2144263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Isamayra Germano de Sousa
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Anderson Valério Chaves
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Fortaleza, Brazil
| | | | | | | | - Francisco Simão Neto
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Simone Cristina Freitas de Carvalho
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | | | - Gledson Vieira Lima
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Ada Amélia Sanders Lopes
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Maria Cristiane Martins de Souza
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Aluísio Marques da Fonseca
- Mestrado Acadêmico em Sociobiodiversidades e Tecnologias Sustentáveis – MASTS, Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Acarape, CE, Brazil
| | | | - Marcos Carlos de Mattos
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - José C. S. dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
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Kumari M, Chattopadhyay S. The evaluation of the performance of rice husk and rice straw as potential matrix to obtain the best lipase immobilized system: creating wealth from wastes. Prep Biochem Biotechnol 2022:1-10. [PMID: 36332158 DOI: 10.1080/10826068.2022.2140355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
India generates 126.6 and 42 million tons of Rice straw (RS) and Rice husk (RH) annually, respectively. These agro-processing wastes feedstock are dumped in landfills or burnt, releasing toxic gases and particulate matter into the environment. This paper explores the valorization of these wastes feedstock into sustainable, economic products. We compare these wastes as matrices for lipase immobilization. These matrices were characterized, different parameters (pH, temperature, ionic strength, and metal ion cofactors) were checked, and the selected matrix was analyzed for reusability and hydrolysis of vegetable oils. Lipase immobilized Rice straw (LIRS) showed the highest activity with 72.84% protein loading. Field emission scanning electron microscopy (FESEM) demonstrated morphological changes after enzyme immobilization. FTIR showed no new bond formation, and immobilization data was fitted to Freundlich adsorption isotherm (with K = 12.18 mg/g, nF = 4.5). The highest activity with protein loading, 91.05%, was observed at pH 8, 37 °C temperature, 50 mM ionic strength, and lipase activity doubled in the presence of Mg2+ ions. The LIRS retained 75% of its initial activity up to five cycles and efficiently hydrolyzed different oils. The results reflected that the LIRS system performs better and can be used to degrade oily waste.
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Affiliation(s)
- Mamta Kumari
- Department of Bioengineering and Biotechnology, Birla Institute of Technology, Ranchi, India
| | - Soham Chattopadhyay
- Department of Bioengineering and Biotechnology, Birla Institute of Technology, Ranchi, India
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25
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Cutinase fused with C-terminal residues of α-synuclein improves polyethylene terephthalate degradation by enhancing the substrate binding. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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26
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A Theoretical and Experimental Study for Enzymatic Biodiesel Production from Babassu Oil (Orbignya sp.) Using Eversa Lipase. Catalysts 2022. [DOI: 10.3390/catal12111322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A theoretical and experimental study was carried out on the biocatalytic production of babassu biodiesel through enzymatic hydroesterification. The complete hydrolysis of babassu oil was carried out using a 1:1 mass solution at 40 °C for 4 h using 0.4% of lipase from Thermomyces lanuginosus (TLL). Then, with the use of Eversa® Transform 2.0 lipase in the esterification step, a statistical design was used, varying the temperature (25–55 °C), the molar ratio between free fatty acids (FFAs) and methanol (1:1 to 1:9), the percentage of biocatalyst (0.1% to 0.9%), and the reaction time (1–5 h) using the Taguchi method. The ideal reaction levels obtained after the statistical treatment were 5 h of reaction at 40 °C at a molar ratio of 1:5 (FFAs/methanol) using 0.9% of the biocatalyst. These optimal conditions were validated by chromatographic analysis; following the EN 14103 standard, the sample showed an ester concentration of 95.76%. A theoretical study was carried out to evaluate the stability of Eversa with FFAs. It was observed in the molecular docking results that the ligands interacted directly with the catalytic site. Through molecular dynamics studies, it was verified that there were no significant conformational changes in the studied complexes. Theoretical and experimental results show the feasibility of this process.
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Sales MB, Borges PT, Ribeiro Filho MN, Miranda da Silva LR, Castro AP, Sanders Lopes AA, Chaves de Lima RK, de Sousa Rios MA, dos Santos JCS. Sustainable Feedstocks and Challenges in Biodiesel Production: An Advanced Bibliometric Analysis. Bioengineering (Basel) 2022; 9:bioengineering9100539. [PMID: 36290507 PMCID: PMC9598810 DOI: 10.3390/bioengineering9100539] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/02/2022] [Accepted: 10/04/2022] [Indexed: 11/16/2022] Open
Abstract
Biodiesel can be produced from vegetable oils, animal fats, frying oils, and from microorganism-synthesized oils. These sources render biodiesel an easily biodegradable fuel. The aim of this work was to perform an advanced bibliometric analysis of primary studies relating to biodiesel production worldwide by identifying the key countries and regions that have shown a strong engagement in this area, and by understanding the dynamics of their collaboration and research outputs. Additionally, an assessment of the main primary feedstocks employed in this research was carried out, along with an analysis of the current and future trends that are expected to define new paths and methodologies to be used in the manufacture of biodegradable and renewable fuels. A total of 4586 academic outputs were selected, including peer-reviewed research articles, conference papers, and literature reviews related to biodiesel production, in the time period spanning from 2010 to 2021. Articles that focused on feedstocks for the production of biodiesel were also included, with a search that returned 330 papers. Lastly, 60 articles relating to biodiesel production via sewage were specifically included to allow for an analysis of this source as a promising feedstock in the future of the biofuel market. Via the geocoding and the document analyses performed, we concluded that China, Malaysia, and India are the largest writers of articles in this area, revealing a great interest in biofuels in Asia. Additionally, it was noted that environmental concerns have caused authors to conduct research on feedstocks that can address the sustainability challenges in the production of biodiesel.
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Affiliation(s)
- Misael B. Sales
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
| | - Pedro T. Borges
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
| | - Manoel Nazareno Ribeiro Filho
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
| | - Lizandra Régia Miranda da Silva
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
| | - Alyne P. Castro
- Departamento de Engenharia Mecânica, Grupo de Inovações Tecnológicas e Especialidades Químicas—GRINTEQUI, Universidade Federal do Ceará, Bloco 715, Campus do Pici, Fortaleza 60440554, CE, Brazil
| | - Ada Amelia Sanders Lopes
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
| | - Rita Karolinny Chaves de Lima
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
| | - Maria Alexsandra de Sousa Rios
- Departamento de Engenharia Mecânica, Grupo de Inovações Tecnológicas e Especialidades Químicas—GRINTEQUI, Universidade Federal do Ceará, Bloco 715, Campus do Pici, Fortaleza 60440554, CE, Brazil
| | - José C. S. dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790970, CE, Brazil
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza 60455760, CE, Brazil
- Correspondence:
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Protein extraction from microalgae residue and nutritional assessment. Bioprocess Biosyst Eng 2022; 45:1879-1888. [DOI: 10.1007/s00449-022-02794-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/27/2022] [Indexed: 11/02/2022]
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Zurier HS, Goddard JM. Directed Immobilization of PETase on Mesoporous Silica Enables Sustained Depolymerase Activity in Synthetic Wastewater Conditions. ACS APPLIED BIO MATERIALS 2022; 5:4981-4992. [PMID: 36194455 DOI: 10.1021/acsabm.2c00700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Microplastic accumulation in terrestrial and aquatic environments is a growing environmental challenge. Biodegradation has shown promise as an intervention strategy for reducing the spread of microplastics. The wastewater treatment system is a key intervention point in microplastic biodegradation due to its pivotal role in the water cycle at the interface between human activity and the environmental. However, the best characterized microplastic degradation enzyme, PETase, lacks the stability to perform at scale in wastewater treatment. In this work, we show that genetic fusion of PETase to a silica binding peptide enables directed immobilization of the enzyme onto silica nanoparticles. PETase activity in simulated wastewater conditions is quantified by linear regression from time zero to the time of maximum fluorescence of a fluorescent oxidized product of PETase degradation of PET microfibers. Mesoporous silica is shown to be a superior support material to nonporous silica. The resulting biocatalytic nanomaterial has up to 2.5-fold enhanced stability and 6.2-fold increased activity compared to free enzyme in unbuffered, 40 °C simulated influent (ionic strength ∼15 mM). In unbuffered, 40 °C simulated effluent (ionic strength ∼700 μM), reaction velocity and overall catalytic activity were increased by the biocatalytic material 2.1-fold relative to free PETase. All reactions were performed in 0.2 mL volumes, and enzyme concentrations were normalized across both free and immobilized samples to 9 μg/mL. Site-directed mutagenesis is shown to be a complementary technique to directed immobilization, which may aid in optimization of the biomaterial for wastewater applications. PETase stabilization in application-relevant environments as shown here enables progress toward application of PETase for microplastic biodegradation in wastewater treatment.
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Affiliation(s)
- Hannah S Zurier
- Department of Food Science and Technology, Cornell University, Ithaca, New York14853, United States
| | - Julie M Goddard
- Department of Food Science and Technology, Cornell University, Ithaca, New York14853, United States
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Ideris F, Zamri MFMA, Shamsuddin AH, Nomanbhay S, Kusumo F, Fattah IMR, Mahlia TMI. Progress on Conventional and Advanced Techniques of In Situ Transesterification of Microalgae Lipids for Biodiesel Production. ENERGIES 2022; 15:7190. [DOI: 10.3390/en15197190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Global warming and the depletion of fossil fuels have spurred many efforts in the quest for finding renewable, alternative sources of fuels, such as biodiesel. Due to its auxiliary functions in areas such as carbon dioxide sequestration and wastewater treatment, the potential of microalgae as a feedstock for biodiesel production has attracted a lot of attention from researchers all over the world. Major improvements have been made from the upstream to the downstream aspects related to microalgae processing. One of the main concerns is the high cost associated with the production of biodiesel from microalgae, which includes drying of the biomass and the subsequent lipid extraction. These two processes can be circumvented by applying direct or in situ transesterification of the wet microalgae biomass, hence substantially reducing the cost. In situ transesterification is considered as a significant improvement to commercially produce biodiesel from microalgae. This review covers the methods used to extract lipids from microalgae and various in situ transesterification methods, focusing on recent developments related to the process. Nevertheless, more studies need to be conducted to further enhance the discussed in situ transesterification methods before implementing them on a commercial scale.
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He L, Zheng J, Feng S, Xu L, Zhong N. Immobilization of Candida antarctica Lipase A onto Macroporous Resin NKA-9: Esterification and Glycerolysis Performance Study. J Oleo Sci 2022; 71:1337-1348. [PMID: 36047241 DOI: 10.5650/jos.ess22028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In this study, lipase A from Candida antarctica (CALA) was immobilized onto the macroporous resin NKA-9. Immobilization conditions (pH, time and CALA concentration) were studied, enzymatic activity and immobilization efficiency (IE) up to 968.89 U/g and 53.19% were respectively obtained under optimal conditions (immobilization pH 5.0, time 5 h and CALA concentration at 30 mg/mL). Then, the NKA-9 supported CALA (CALA@NKA-9) samples were used to catalyze glycerolysis in solvent-free system. With 0.25 g of the present CALA@NKA-9 (soybean oil 3.52 g and glycerol 0.184 g) and after 12 h reaction at 50 °C, diacylglycerols (DAG) content up to 64.37% and triacylglycerols (TAG) conversion at 83.33% were obtained. The relationship between temperature and TAG conversion was LnV 0 = 13.9310-6.4212/T for CALA@NKA-9. Meanwhile, the activation energy (Ea) of CALA@NKA-9 was calculated to be 53.39 kJ/mol. In addition, reusability in the glycerolysis reaction was also evaluated, and 57.82% of the initial glycerolysis activity was retained after 9 consecutive applications. Furthermore, the CALA@NKA-9 was also used to catalyze the esterification (esterification of fatty acids with glycerol), however, the present CALA@NKA-9 cannot initiate the esterification. Therefore, the present CALA@NKA-9 is shown to be potential for DAG production through glycerolysis reaction.
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Affiliation(s)
- Lihong He
- School of Food Science, Guangdong Pharmaceutical University
| | - Jiawei Zheng
- School of Food Science, Guangdong Pharmaceutical University
| | - Siting Feng
- School of Food Science, Guangdong Pharmaceutical University
| | - Li Xu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University.,Guangdong Pharmaceutical University-University of Hong Kong Joint Biomedical Innovation Platform
| | - Nanjing Zhong
- School of Food Science, Guangdong Pharmaceutical University
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Copper Phthalocyanine Improving Nonaqueous Catalysis of Pseudomonas cepacia Lipase for Ester Synthesis. Appl Biochem Biotechnol 2022; 194:6302-6318. [PMID: 35917103 DOI: 10.1007/s12010-022-04080-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 11/02/2022]
Abstract
The nonaqueous catalysis of lipases is significant for synthesis of high pure esters, but they usually behave low catalytic activity due to denaturation and aggregation of enzyme protein in organic phases. To improve the nonaqueous catalysis, the inexpensive copper phthalocyanine was taken as a new carrier on which Pseudomonas cepacia lipase was immobilized by physical absorption, and used for synthesis of hexyl acetate, an important flavor, via transesterification of hexanol and vinyl acetate. Results showed that the desired loading was 10 mg lipase immobilized on 10 mg copper phthalocyanine powder. When the immobilized lipase was employed in the reaction system consisted of 1.5 mL hexanol and 1.5 mL vinyl acetate at 37℃ and 160 rpm, the conversion was five fold of that catalyzed by native lipase after 1 h, and reached 99.0% after 8 h. Undergoing six times of 8-h reuses, the immobilized lipase had an activity attenuation rate 1.22% h- 1, lower than 1.77% h- 1 of native lipase, which meant that the immobilized lipase was more stable. Even at the room temperature and the static state without shaking or stirring, the immobilized lipase could bring conversion 42.8% after 10 h and the native lipase gave 20.1%. Obviously, the immobilized lipase is an available biocatalyst in organic phase and has great potential in food industry.
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Influence of Varying Compression Ratio of a Compression Ignition Engine Fueled with B20 Blends of Sea Mango Biodiesel. Processes (Basel) 2022. [DOI: 10.3390/pr10071423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The ever-worsening environmental situation brought on by the huge use of fossil fuels has ramped up biodiesel production. Several studies have shown that a 20% biodiesel-diesel blend (B20) could be the best for utility in a compression ignition (CI) engine. The present study focuses on the characteristics of a variable compression ratio (VCR) engine running with a B20 blend of sea mango biodiesel at compression ratios of 16:1, 17:1 and 18:1. VCR is a technology which permits the engine to modify its compression ratio to improve the fuel economy under varying loads. The experimental results reveal an improvement of 5.27% and 6.25% in the BTE as well as SFC with B20 mix, respectively, at compression ratio (CR) 18:1 against diesel at standard CR, which is 17:1. At CR 18:1, the CO, HC and smoke emissions of B20 fuel at full load were 26.78%, 37.76% and 23.44%, correspondingly lower than those of diesel at standard CR. However, the blend was found to have higher NOx emissions at all the CRs. The least NOx emissions of the blend were noted to be at CR 16:1, although it was 0.77% higher than diesel at standard CR. The combustion characteristics also improved at higher CRs. The findings of this study indicate that the B20 blend of sea mango biodiesel could be utilized at CR 18:1 to replace diesel without any engine modifications.
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The Chemistry and Applications of Metal-Organic Frameworks (MOFs) as Industrial Enzyme Immobilization Systems. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27144529. [PMID: 35889401 PMCID: PMC9320690 DOI: 10.3390/molecules27144529] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/02/2023]
Abstract
Enzymatic biocatalysis is a sustainable technology. Enzymes are versatile and highly efficient biocatalysts, and have been widely employed due to their biodegradable nature. However, because the three-dimensional structure of these enzymes is predominantly maintained by weaker non-covalent interactions, external conditions, such as temperature and pH variations, as well as the presence of chemical compounds, can modify or even neutralize their biological activity. The enablement of this category of processes is the result of the several advances in the areas of molecular biology and biotechnology achieved over the past two decades. In this scenario, metal–organic frameworks (MOFs) are highlighted as efficient supports for enzyme immobilization. They can be used to ‘house’ a specific enzyme, providing it with protection from environmental influences. This review discusses MOFs as structures; emphasizes their synthesis strategies, properties, and applications; explores the existing methods of using immobilization processes of various enzymes; and lists their possible chemical modifications and combinations with other compounds to formulate the ideal supports for a given application.
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Yagi Y, Kimura T, Kamezawa M. Biomolecular Chemical Simulations on Enantioselectivity and Reactivity of Lipase Enzymes to Azulene Derivatives. Nat Prod Commun 2022. [DOI: 10.1177/1934578x221108572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Biomolecular chemical simulations have recently become a useful research method in the fields of organic chemistry and bioscience. In the last few years, we have been focusing on the biomolecular computational simulation on lipase enzyme and ligand complexes to predict the enantioselectivity and reactivity of lipases toward non-natural organic compounds. In this paper, we describe the molecular simulations including molecular dynamics (MD) and fragment molecular orbital (FMO) calculations for the complexes of Candida antarctica lipase type A (CALA) and trifluoromethylazulene alcohol derivatives. From the MD calculations, we found that the fast-reacting enantiomer of esters with high enantioselectivity stays in the vicinity of the active site of CALA, while the slow-reacting enantiomer leaves the active site of CALA. On the other hand, both ( R)- and ( S)-enantiomers of ester with low ensntioselectivity were found to keep near to near the active site of CALA. Further, for the esters that do not react with lipase enzyme, we found that both ( R)- and ( S)-enantiomers move away from the active site of lipase enzyme. From the FMO calculations, we found that each fast-reacting enantiomer of esters with high enantioselectivity strongly interacts with certain particular amino acid residues in CALA containing Asp95, while both ( R)- and ( S)-enantiomers of ester with low enantioselectivity interact with same amino acid residues in CALA including Asp95. These results suggest that it is possible to predict not only the enantioselectivity but also the reactivity of CALA and to identify the amino acid residues important to the enzymatic reaction. Therefore, we consider that our computational simulations would be a useful method for predicting and understanding the reactivity and the enantioselectivity of lipase-catalyzed biotransformations.
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Affiliation(s)
- Yoichiro Yagi
- Graduate School of Engineering, Okayama University of Science, Okayama, Japan
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36
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Itakorode BO, Okonji RE, Torimiro N. Cyanide bioremediation potential of Klebsiella oxytoca JCM 1665 rhodanese immobilized on alginate-glutaraldehyde beads. BIOCATAL BIOTRANSFOR 2022. [DOI: 10.1080/10242422.2022.2087510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- B. O. Itakorode
- Department of Chemical Sciences, Oduduwa University Ipetumodu, Ile-Ife, Nigeria
- Department of Biochemistry and Molecular Biology, Faculty of Science, Obafemi Awolowo University Ile-Ife, Nigeria
| | - R. E. Okonji
- Department of Biochemistry and Molecular Biology, Faculty of Science, Obafemi Awolowo University Ile-Ife, Nigeria
| | - N. Torimiro
- Department of Microbiology, Faculty of Science, Obafemi Awolowo University Ile-Ife, Nigeria
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Ranjbari M, Shams Esfandabadi Z, Ferraris A, Quatraro F, Rehan M, Nizami AS, Gupta VK, Lam SS, Aghbashlo M, Tabatabaei M. Biofuel supply chain management in the circular economy transition: An inclusive knowledge map of the field. CHEMOSPHERE 2022; 296:133968. [PMID: 35181422 DOI: 10.1016/j.chemosphere.2022.133968] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/08/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
Investment in biofuels, as sustainable alternatives for fossil fuels, has gained momentum over the last decade due to the global environmental and health concerns regarding fossil fuel consumption. Hence, effective management of biofuel supply chain (BSC) components, including biomass feedstock production, biomass logistics, biofuel production in biorefineries, and biofuel distribution to consumers, is crucial in transitioning towards a low-carbon and circular economy (CE). The present study aims to render an inclusive knowledge map of the BSC-related scientific production. In this vein, a systematic review, supported by a keywords co-occurrence analysis and qualitative content analysis, was carried out on a total of 1,975 peer-reviewed journal articles in the target literature. The analysis revealed four major research hotspots in the BSC literature, namely (1) biomass-to-biofuel supply chain design and planning, (2) environmental impacts of biofuel production, (3) biomass to bioenergy, and (4) techno-economic analysis of biofuel production. Besides, the findings showed that the following subject areas of research in the BSC research community have recently attracted more attention: (i) global warming and climate change mitigation, (ii) development of the third-generation biofuels produced from algal biomass, which has recently gained momentum in the CE debate, and (iii) government incentives, pricing, and subsidizing policies. The provided insights shed light on the understanding of researchers, stakeholders, and policy-makers involved in the sustainable energy sector by outlining the main research backgrounds, developments, and tendencies within the BSC arena. Looking at the provided knowledge map, potential research directions in BSCs towards implementing the CE model, including (i) integrative policy convergence at macro, meso, and micro levels, and (ii) industrializing algae-based biofuel production towards the CE transition, were proposed.
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Affiliation(s)
- Meisam Ranjbari
- Henan Province Forest Resources Sustainable Development and High-value Utilization Engineering Research Center, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Department of Economics and Statistics "Cognetti de Martiis", University of Turin, Turin, Italy.
| | - Zahra Shams Esfandabadi
- Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, Turin, Italy; Energy Center Lab, Politecnico di Torino, Turin, Italy
| | - Alberto Ferraris
- Department of Management, University of Turin, Turin, Italy; Laboratory for International and Regional Economics, Graduate School of Economics and Management, Ural Federal University, Russia; Faculty of Economics and Business, University of Rijeka, Croatia
| | - Francesco Quatraro
- Department of Economics and Statistics "Cognetti de Martiis", University of Turin, Turin, Italy; BRICK, Collegio Carlo Alberto, Piazza Arbarello 8, 10123, Turin, Italy
| | - Mohammad Rehan
- Center of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdul-Sattar Nizami
- Center of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia; Sustainable Development Study Centre, Government College University, Lahore, Pakistan
| | - Vijai Kumar Gupta
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK; Centre for Safe and Improved Foods, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK
| | - Su Shiung Lam
- Henan Province Forest Resources Sustainable Development and High-value Utilization Engineering Research Center, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia.
| | - Mortaza Aghbashlo
- Henan Province Forest Resources Sustainable Development and High-value Utilization Engineering Research Center, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Department of Mechanical Engineering of Agricultural Machinery, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
| | - Meisam Tabatabaei
- Henan Province Forest Resources Sustainable Development and High-value Utilization Engineering Research Center, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia; Biofuel Research Team (BRTeam), Terengganu, Malaysia.
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Ali SS, Al-Tohamy R, Mohamed TM, Mahmoud YAG, Ruiz HA, Sun L, Sun J. Could termites be hiding a goldmine of obscure yet promising yeasts for energy crisis solutions based on aromatic wastes? A critical state-of-the-art review. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2022; 15:35. [PMID: 35379342 PMCID: PMC8981686 DOI: 10.1186/s13068-022-02131-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 03/13/2022] [Indexed: 12/26/2022]
Abstract
Biodiesel is a renewable fuel that can be produced from a range of organic and renewable feedstock including fresh or vegetable oils, animal fats, and oilseed plants. In recent years, the lignin-based aromatic wastes, such as various aromatic waste polymers from agriculture, or organic dye wastewater from textile industry, have attracted much attention in academia, which can be uniquely selected as a potential renewable feedstock for biodiesel product converted by yeast cell factory technology. This current investigation indicated that the highest percentage of lipid accumulation can be achieved as high as 47.25% by an oleaginous yeast strain, Meyerozyma caribbica SSA1654, isolated from a wood-feeding termite gut system, where its synthetic oil conversion ability can reach up to 0.08 (g/l/h) and the fatty acid composition in yeast cells represents over 95% of total fatty acids that are similar to that of vegetable oils. Clearly, the use of oleaginous yeasts, isolated from wood-feeding termites, for synthesizing lipids from aromatics is a clean, efficient, and competitive path to achieve "a sustainable development" towards biodiesel production. However, the lacking of potent oleaginous yeasts to transform lipids from various aromatics, and an unknown metabolic regulation mechanism presented in the natural oleaginous yeast cells are the fundamental challenge we have to face for a potential cell factory development. Under this scope, this review has proposed a novel concept and approach strategy in utilization of oleaginous yeasts as the cell factory to convert aromatic wastes to lipids as the substrate for biodiesel transformation. Therefore, screening robust oleaginous yeast strain(s) from wood-feeding termite gut system with a set of the desirable specific tolerance characteristics is essential. In addition, to reconstruct a desirable metabolic pathway/network to maximize the lipid transformation and accumulation rate from the aromatic wastes with the applications of various "omics" technologies or a synthetic biology approach, where the work agenda will also include to analyze the genome characteristics, to develop a new base mutation gene editing technology, as well as to clarify the influence of the insertion position of aromatic compounds and other biosynthetic pathways in the industrial chassis genome on the expressional level and genome stability. With these unique designs running with a set of the advanced biotech approaches, a novel metabolic pathway using robust oleaginous yeast developed as a cell factory concept can be potentially constructed, integrated and optimized, suggesting that the hypothesis we proposed in utilizing aromatic wastes as a feedstock towards biodiesel product is technically promising and potentially applicable in the near future.
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Affiliation(s)
- Sameh S. Ali
- School of the Environment and Safety Engineering, Biofuels Institute, Jiangsu University, Zhenjiang, 212013 China
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527 Egypt
| | - Rania Al-Tohamy
- School of the Environment and Safety Engineering, Biofuels Institute, Jiangsu University, Zhenjiang, 212013 China
| | - Tarek M. Mohamed
- Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta, 31527 Egypt
| | | | - Héctor A. Ruiz
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, 25280 Saltillo, Coahuila Mexico
| | - Lushan Sun
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, China
| | - Jianzhong Sun
- School of the Environment and Safety Engineering, Biofuels Institute, Jiangsu University, Zhenjiang, 212013 China
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Sarocladium strictum lipase (LipSs) produced using crude glycerol as sole carbon source: A promising enzyme for biodiesel production. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102299] [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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A Comprehensive Review on the Use of Metal–Organic Frameworks (MOFs) Coupled with Enzymes as Biosensors. ELECTROCHEM 2022. [DOI: 10.3390/electrochem3010006] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Several studies have shown the development of electrochemical biosensors based on enzymes immobilized in metal–organic frameworks (MOFs). Although enzymes have unique properties, such as efficiency, selectivity, and environmental sustainability, when immobilized, these properties are improved, presenting significant potential for several biotechnological applications. Using MOFs as matrices for enzyme immobilization has been considered a promising strategy due to their many advantages compared to other supporting materials, such as larger surface areas, higher porosity rates, and better stability. Biosensors are analytical tools that use a bioactive element and a transducer for the detection/quantification of biochemical substances in the most varied applications and areas, in particular, food, agriculture, pharmaceutical, and medical. This review will present novel insights on the construction of biosensors with materials based on MOFs. Herein, we have been highlighted the use of MOF for biosensing for biomedical, food safety, and environmental monitoring areas. Additionally, different methods by which immobilizations are performed in MOFs and their main advantages and disadvantages are presented.
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