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Kim C, Kim S, Jung AR, Jang JH, Bae J, Choi WII, Sung D. Nanoparticle Encapsulation of the Hexane Fraction of Cyperus Rotundus Extract for Enhanced Antioxidant and Anti-Inflammatory Activities in vitro. Int J Nanomedicine 2024; 19:8403-8415. [PMID: 39165772 PMCID: PMC11335006 DOI: 10.2147/ijn.s452636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 07/12/2024] [Indexed: 08/22/2024] Open
Abstract
Aim Cyperus rotundus L. (CR) is traditionally used in medicine for its anti-inflammatory properties. In particular, α-cyperone, which is isolated from the essential oil and found primarily in the n-hexane fraction of the ethanolic extract, is known to inhibit NO production in LPS-stimulated RAW 264.7 cells. However, high concentrations of α-cyperone are required for sufficient anti-inflammatory activity. Even, essential oil obtained from C. rotundus has the disadvantage of low solubility and stability in aqueous environment, which makes it difficult to be applied in various fields and easily loses its activity. Therefore, in this study, we aimed to increase the extraction yield of C. rotundus by microbubble extraction and prepare nanoparticles (NPs) that can preserve its activity in a stable and bioavailable manner by utilizing nanoprecipitation. Methods C. rotundus rhizomes were extracted in 50% ethanol using microbubbles and then fractionated with n-hexane to obtain α-cyperone-rich C. rotundus n-hexane fraction (CRHF). The biodegradable plant extract, α-cyperone, was prepared as green nanoparticles (CR@NPs) by nanoprecipitation technique under mild reaction conditions. The physicochemical properties of CR@NPs, including size, polydispersity index, and surface charge, were determined using dynamic light scattering. The extraction yield and encapsulation efficiency of α-cyperone were quantified by high-performance liquid chromatography. Antioxidant and anti-inflammatory activities were evaluated by DPPH assay and in vitro ROS and NO assays, and biocompatibility was assessed by MTT assay. Results C. rotundus loaded nanoparticles demonstrated overcoming the limitation of α-cyperone solubility and stability in CRHF and also the antioxidant, anti-inflammatory properties as evidenced by in vitro assays in cellular models. Conclusion The versatility of green chemistry, such as α-cyperone, enables the production of nanoparticles with promising biomedical applications such as cosmetics, pharmaceuticals, and food products.
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Affiliation(s)
- Chaehyun Kim
- Center for Bio-Healthcare Materials, Bio-Convergence Materials R&D Division, Korea Institute of Ceramic Engineering and Technology, Cheongju, 28160, Republic of Korea
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sangwoo Kim
- Center for Bio-Healthcare Materials, Bio-Convergence Materials R&D Division, Korea Institute of Ceramic Engineering and Technology, Cheongju, 28160, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Ah-Reum Jung
- J2K-Metabiome, J2KBIO, Cheongju, 28104, Republic of Korea
| | - Jun-Hwan Jang
- J2K-Metabiome, J2KBIO, Cheongju, 28104, Republic of Korea
- College of Pharmacy, Chungbuk National University, Cheongju, Republic of Korea
| | - Juntae Bae
- J2K-Metabiome, J2KBIO, Cheongju, 28104, Republic of Korea
| | - Won I I Choi
- Center for Bio-Healthcare Materials, Bio-Convergence Materials R&D Division, Korea Institute of Ceramic Engineering and Technology, Cheongju, 28160, Republic of Korea
| | - Daekyung Sung
- Center for Bio-Healthcare Materials, Bio-Convergence Materials R&D Division, Korea Institute of Ceramic Engineering and Technology, Cheongju, 28160, Republic of Korea
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Chaos-Hernández D, Reynel-Ávila HE, Bonilla-Petriciolet A, Villalobos-Delgado FJ. Extraction methods of algae oils for the production of third generation biofuels - A review. CHEMOSPHERE 2023; 341:139856. [PMID: 37598949 DOI: 10.1016/j.chemosphere.2023.139856] [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: 03/27/2023] [Revised: 06/19/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
Microalgae are the main source of third-generation biofuels because they have a lipid content of 20-70%, can be abundantly produced and do not compete in the food market besides other benefits. Biofuel production from microalgae is a promising option to contribute for the resolution of the eminent crisis of fossil energy and environmental pollution specially in the transporting sector. The choice of lipid extraction method is of relevance and associated to the algae morphology (i.e., rigid cells). Therefore, it is essential to develop suitable extraction technologies for economically viable and environment-friendly lipid recovery processes with the aim of achieving a commercial production of biofuels from this biomass. This review presents an exhaustive analysis and discussion of different methods and processes of lipid extraction from microalgae for the subsequent conversion to biodiesel. Physical methods based on the use of supercritical fluids, ultrasound and microwaves were reviewed. Chemical methods using solvents with different polarities, aside from mechanical techniques such as mechanical pressure and enzymatic methods, were also analyzed. The advantages, drawbacks, challenges and future prospects of lipid extraction methods from microalgae have been summarized to provide a wide panorama of this relevant topic for the production of economic and sustainable energy worldwide.
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Affiliation(s)
- D Chaos-Hernández
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico
| | - H E Reynel-Ávila
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico; CONACYT, Av. Insurgentes 1582 Sur, Ciudad de México, 03940, Aguascalientes, Ags, Mexico.
| | - A Bonilla-Petriciolet
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico
| | - F J Villalobos-Delgado
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico
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Barrios N, Marquez R, McDonald JD, Hubbe MA, Venditti RA, Pal L. Innovation in lignocellulosics dewatering and drying for energy sustainability and enhanced utilization of forestry, agriculture, and marine resources - A review. Adv Colloid Interface Sci 2023; 318:102936. [PMID: 37331091 DOI: 10.1016/j.cis.2023.102936] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 05/25/2023] [Accepted: 06/05/2023] [Indexed: 06/20/2023]
Abstract
Efficient utilization of forestry, agriculture, and marine resources in various manufacturing sectors requires optimizing fiber transformation, dewatering, and drying energy consumption. These processes play a crucial role in reducing the carbon footprint and boosting sustainability within the circular bioeconomy framework. Despite efforts made in the paper industry to enhance productivity while conserving resources and energy through lower grammage and higher machine speeds, reducing thermal energy consumption during papermaking remains a significant challenge. A key approach to address this challenge lies in increasing dewatering of the fiber web before entering the dryer section of the paper machine. Similarly, the production of high-value-added products derived from alternative lignocellulosic feedstocks, such as nanocellulose and microalgae, requires advanced dewatering techniques for techno-economic viability. This critical and systematic review aims to comprehensively explore the intricate interactions between water and lignocellulosic surfaces, as well as the leading technologies used to enhance dewatering and drying. Recent developments in technologies to reduce water content during papermaking, and advanced dewatering techniques for nanocellulosic and microalgal feedstocks are addressed. Existing research highlights several fundamental and technical challenges spanning from the nano- to macroscopic scales that must be addressed to make lignocellulosics a suitable feedstock option for industry. By identifying alternative strategies to improve water removal, this review intends to accelerate the widespread adoption of lignocellulosics as feasible manufacturing feedstocks. Moreover, this review aims to provide a fundamental understanding of the interactions, associations, and bonding mechanisms between water and cellulose fibers, nanocellulosic materials, and microalgal feedstocks. The findings of this review shed light on critical research directions necessary for advancing the efficient utilization of lignocellulosic resources and accelerating the transition towards sustainable manufacturing practices.
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Affiliation(s)
- Nelson Barrios
- Department of Forest Biomaterials, North Carolina State University, 431 Dan Allen Dr., Raleigh, NC 27695-8005, USA
| | - Ronald Marquez
- Department of Forest Biomaterials, North Carolina State University, 431 Dan Allen Dr., Raleigh, NC 27695-8005, USA; Laboratoire de Physicochimie des Interfaces Complexes, ESPCI Paris, PSL University, 10 rue Vauquelin, 75231 Paris, France
| | | | - Martin A Hubbe
- Department of Forest Biomaterials, North Carolina State University, 431 Dan Allen Dr., Raleigh, NC 27695-8005, USA
| | - Richard A Venditti
- Department of Forest Biomaterials, North Carolina State University, 431 Dan Allen Dr., Raleigh, NC 27695-8005, USA
| | - Lokendra Pal
- Department of Forest Biomaterials, North Carolina State University, 431 Dan Allen Dr., Raleigh, NC 27695-8005, USA.
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4
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Yin S, Jin W, Zhou X, Han W, Gao S, Chen C, Ding W, He Z, Chen Y, Jiang G. Enhancing harvest of biodiesel-promising microalgae using Daphnia domesticated by amino acids. ENVIRONMENTAL RESEARCH 2022; 212:113465. [PMID: 35594959 DOI: 10.1016/j.envres.2022.113465] [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: 12/16/2021] [Revised: 05/03/2022] [Accepted: 05/08/2022] [Indexed: 06/15/2023]
Abstract
Mass production of microalgal biodiesel is hindered by microalgae harvesting efficiency and costs. In this study, Daphnia domesticated by amino acids were used to harvest microalgae via ingesting. The main factors (density of Daphnia, salinity, pH, light-environment, temperature and algal concentration) that were conducive to Daphnia feeding were optimized. Under the optimal condition, Microalgae-feeding Daphnia were domesticated by adding D-glutamic acid and L-cysteine as stimulating factors. After that, the ingestion rate of domesticated Daphnia increased by 24.93%. The presence of Daphnia as a predator can induce microalgae to mass into clusters. Combining Daphnia feeding and the inductive defense flocculation of microalgae, the harvesting rate of mixed algae (Chlorella pyrenoidosa and Scenedesmus obliquus) reached over 95% after 9 h. Overall, this work suggested that Daphnia feeding process is a green and economical approach for microalgae harvesting.
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Affiliation(s)
- Shiyu Yin
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
| | - Wenbiao Jin
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China.
| | - Xu Zhou
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China.
| | - Wei Han
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
| | - Shuhong Gao
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
| | - Chuan Chen
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, 150090, Harbin, China
| | - Wanqing Ding
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
| | - Zhongqi He
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
| | - Yidi Chen
- State Key Lab of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China; Shenzhen Engineering Laboratory of Microalgae Bioenergy, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
| | - Guangming Jiang
- School of Civil, Mining and Environmental Engineering, University of Wollongong, NSW, 2522, Wollongong, Australia
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5
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Lu Z, Beal CM, Johnson ZI. Comparative performance and technoeconomic analyses of two microalgae harvesting systems evaluated at a commercially relevant scale. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Kumar N, Banerjee C, Negi S, Shukla P. Microalgae harvesting techniques: updates and recent technological interventions. Crit Rev Biotechnol 2022; 43:342-368. [PMID: 35168457 DOI: 10.1080/07388551.2022.2031089] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Microalgal biomass has garnered attention as a renewable and sustainable resource for producing biodiesel. The harvesting of microalgal biomass is a significant bottleneck being faced by the industries as it is the crucial cost driver in the downstream processing of biomass. Bioharvesting of microalgal biomass mediated by: microbial, animal, and plant-based polymeric flocculants has gained a higher probability of utility in accumulation due to: its higher dewatering potential, less toxicity, and ecofriendly properties. The present review summarizes the key challenges and the technological advancements associated with various such harvesting techniques. The economic and technical aspects of different microalgal harvesting techniques, particularly the cationic polymeric flocculant-based harvesting of microalgal biomass, are also discussed. Furthermore, interactions of flocculants with microalgal biomass and the effects of these interactions on metabolite and lipid extractions are discussed to offer a promising solution for suitability in selecting the most efficient and economical method of microalgal biomass harvesting for cost-effective biodiesel production.
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Affiliation(s)
- Niwas Kumar
- Algal Bioenergy Laboratory, Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines) Dhanbad, Dhanbad, India
| | - Chiranjib Banerjee
- Algal Bioenergy Laboratory, Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines) Dhanbad, Dhanbad, India.,Department of Botany and Microbiology, Faculty of Life Sciences, Gurukula Kangri (Deemed to be University), Haridwar, India
| | - Sangeeta Negi
- Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM, USA
| | - Pratyoosh Shukla
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India.,Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
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Zapata-Boada S, Gonzalez-Miquel M, Jobson M, Cuéllar-Franca RM. A Methodology to Evaluate Solvent Extraction-Based Processes Considering Techno-Economic and Environmental Sustainability Criteria for Biorefinery Applications. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02907] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Santiago Zapata-Boada
- Department of Chemical Engineering and Analytical Science, The University of Manchester, M13 9PL Manchester, United Kingdom
| | - María Gonzalez-Miquel
- Department of Chemical Engineering and Analytical Science, The University of Manchester, M13 9PL Manchester, United Kingdom
- Department of Chemical and Environmental Engineering, Universidad Politécnica de Madrid, C/ José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Megan Jobson
- Department of Chemical Engineering and Analytical Science, The University of Manchester, M13 9PL Manchester, United Kingdom
| | - Rosa M. Cuéllar-Franca
- Department of Chemical Engineering and Analytical Science, The University of Manchester, M13 9PL Manchester, United Kingdom
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8
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Mirizadeh S, Casazza AA, Converti A, Nosrati M, Shojaosadati SA. Repetitive non-destructive extraction of lipids from Chlorella vulgaris grown under stress conditions. BIORESOURCE TECHNOLOGY 2021; 326:124798. [PMID: 33556707 DOI: 10.1016/j.biortech.2021.124798] [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: 12/23/2020] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
The aim of this study was the investigation of non-destructive lipid extraction from Chlorella vulgaris grown under stress conditions of nutrient limitation and salinity. To select a suitable solvent for extraction, the performances of decane, dodecane and hexadecane were tested based on their effect on lipid extraction and cell viability. The results showed that dodecane was the most suitable solvent for the extraction process. The concentration of extracted lipids from stressed cells was 2762.52 ± 11.38 mg L-1, i.e. a value 1.75 times higher than that obtained from unstressed cells. Long-term extraction was also evaluated with continuous dodecane recirculation during five-stage extraction and a recovery time of 24 h between the extraction steps, which yielded after the fifth extraction stage a total lipid amount as high as 9811.56 mg L-1. These results showed that non-destructive lipid recovery can be effectively performed by applying stress conditions and in repetitive extractions.
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Affiliation(s)
- Shabnam Mirizadeh
- Biotechnology Group, Faculty of Chemical Engineering, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran
| | - Alessandro Alberto Casazza
- Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy
| | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy
| | - Mohsen Nosrati
- Biotechnology Group, Faculty of Chemical Engineering, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran.
| | - Seyed Abbas Shojaosadati
- Biotechnology Group, Faculty of Chemical Engineering, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran
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Liu J, Obaidi I, Nagar S, Scalabrino G, Sheridan H. The antiviral potential of algal-derived macromolecules. CURRENT RESEARCH IN BIOTECHNOLOGY 2021. [DOI: 10.1016/j.crbiot.2021.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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10
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Microalgal Biomass Generation via Electroflotation: A Cost-Effective Dewatering Technology. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10249053] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Microalgae are an excellent source of bioactive compounds for the production of a wide range of vital consumer products in the biofuel, pharmaceutical, food, cosmetics, and agricultural industries, in addition to huge upstream benefits relating to carbon dioxide biosequestration and wastewater treatment. However, energy-efficient, cost-effective, and scalable microalgal technologies for commercial-scale applications are limited, and this has significantly impacted the full-scale implementation of microalgal biosystems for bioproduct development, phycoremediation, and biorefinery applications. Microalgae culture dewatering continues to be a major challenge to large-scale biomass generation, and this is primarily due to the low cell densities of microalgal cultures and the small hydrodynamic size of microalgal cells. With such biophysical characteristics, energy-intensive solid–liquid separation processes such as centrifugation and filtration are generally used for continuous generation of biomass in large-scale settings, making dewatering a major contributor to the microalgae bioprocess economics. This article analyzes the potential of electroflotation as a cost-effective dewatering process that can be integrated into microalgae bioprocesses for continuous biomass production. Electroflotation hinges on the generation of fine bubbles at the surface of an electrode system to entrain microalgal particulates to the surface. A modification of electroflotation, which combines electrocoagulation to catalyze the coalescence of microalgae cells before gaseous entrainment, is also discussed. A technoeconomic appraisal of the prospects of electroflotation compared with other dewatering technologies is presented.
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Kumar Y, Singhal S, Tarafdar A, Pharande A, Ganesan M, Badgujar PC. Ultrasound assisted extraction of selected edible macroalgae: Effect on antioxidant activity and quantitative assessment of polyphenols by liquid chromatography with tandem mass spectrometry (LC-MS/MS). ALGAL RES 2020. [DOI: 10.1016/j.algal.2020.102114] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Yadav G, Fabiano LA, Soh L, Zimmerman J, Sen R, Seider WD.
CO
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process intensification of algae oil extraction to biodiesel. AIChE J 2020. [DOI: 10.1002/aic.16992] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Geetanjali Yadav
- Department of Chemical and Biomolecular Engineering University of Pennsylvania Philadelphia Pennsylvania USA
- Department of Biotechnology Indian Institute of Technology Kharagpur India
| | - Leonard A. Fabiano
- Department of Chemical and Biomolecular Engineering University of Pennsylvania Philadelphia Pennsylvania USA
| | - Lindsay Soh
- Department of Chemical and Biomolecular Engineering Lafayette University Easton Pennsylvania USA
| | - Julie Zimmerman
- Department of Chemical and Environmental Engineering Yale University New Haven Connecticut USA
| | - Ramkrishna Sen
- Department of Biotechnology Indian Institute of Technology Kharagpur India
| | - Warren D. Seider
- Department of Chemical and Biomolecular Engineering University of Pennsylvania Philadelphia Pennsylvania USA
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Roy UK, Nielsen BV, Milledge JJ. Effect of post-harvest conditions on antioxidant enzyme activity in Dunaliella tertiolecta biomass. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Estrada-Graf A, Hernández S, Morales M. Biomitigation of CO 2 from flue gas by Scenedesmus obtusiusculus AT-UAM using a hybrid photobioreactor coupled to a biomass recovery stage by electro-coagulation-flotation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:28561-28574. [PMID: 32130637 DOI: 10.1007/s11356-020-08240-2] [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: 09/15/2019] [Accepted: 02/25/2020] [Indexed: 05/05/2023]
Abstract
The microalga Scenedesmus obtusiusculus AT-UAM efficiently captured CO2 from two flue gas streams in a hybrid photobioreactor located in a greenhouse. Uptake rates of CO2, NO, and SO2 from a formulated gas stream were 160.7 mg L-1 day-1, 0.73 mg L-1 day-1, and 1.56 mg L-1 day-1, respectively, with removal efficiencies of 100% for all gases. Exhaust gases of a motor generator were also removed with uptake rates of 111.4 mg L-1 day-1, 0.42 mg L-1 day-1, and 0.98 mg L-1 day-1, obtaining removal efficiencies of 77%, 71%, and 53% for CO2, NOx, and SO2, respectively. On average, 61% of the CO2 from both flue gas streams was assimilated as microalgal biomass. The maximum CO2 uptake rate of 182 mg L-1 day-1 was achieved for formulated flue gas flow rate above 100 mL min-1. The biomass recovery of 88% was achieved using a 20-L electro-coagulation-flotation chamber coupled to a settler with a low specific power consumption of 0.27 kWh kg-1. The photobioreactor was operated for almost 7 months without contamination of invasive species or a decrease in the activity. It is a very encouraging result for long-term operation in flue gas treatment.
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Affiliation(s)
- Adrián Estrada-Graf
- Maestría en Ciencias Naturales e Ingeniería, Universidad Autónoma Metropolitana Cuajimalpa, Av. Vasco de Quiroga 4871, Colonia Santa Fe Cuajimalpa, 05300, Mexico City, Mexico
| | - Sergio Hernández
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana Cuajimalpa, Av. Vasco de Quiroga 4871, Colonia Santa Fe Cuajimalpa, 05300, Mexico City, Mexico
| | - Marcia Morales
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana Cuajimalpa, Av. Vasco de Quiroga 4871, Colonia Santa Fe Cuajimalpa, 05300, Mexico City, Mexico.
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15
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An Innovative Low-Cost Equipment for Electro-Concentration of Microalgal Biomass. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10144841] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Microalgal harvesting is one of the most challenging processes in the development of algal research and development. Several methods, such as centrifugation, flocculation and filtration, are available at the laboratory scale. However, the requirement for expensive pieces of equipment and the possibility of biomass contamination are recurring gaps that hinder the development of microalgae R&D (research and development) in different parts of the world. Recently, electroflotation has been proved to be a suitable method for the harvesting of different species of microalgae and cyanobacteria. To this day, there are no companies that sell laboratory-scale electroflotation equipment; this is mainly due to the gap in the knowledge of which factors (time, mixing rate, number of electrodes and others) will affect the efficiency of concentration without reducing the biomass quality. This paper aims to build an innovative, low-cost electroflotation system for under 300 USD (United States dollar) with cheap and resistant materials. To achieve our goal, we tested the interaction of three variables (time, mixing rate and amount of electrodes). Results showed that an efficiency closer to 100% could be achieved in under 20 min using > 10 electrodes and 150 rpm (round per minute). We hope this innovative approach can be used by different researchers to improve our knowledge of the concentration and harvesting of algae and cyanobacteria.
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Kumar M, Sun Y, Rathour R, Pandey A, Thakur IS, Tsang DCW. Algae as potential feedstock for the production of biofuels and value-added products: Opportunities and challenges. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 716:137116. [PMID: 32059310 DOI: 10.1016/j.scitotenv.2020.137116] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/14/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
The current review explores the potential application of algal biomass for the production of biofuels and bio-based products. The variety of processes and pathways through which bio-valorization of algal biomass can be performed are described in this review. Various lipid extraction techniques from algal biomass along with transesterification reactions for biodiesel production are briefly discussed. Processes such as the pretreatment and saccharification of algal biomass, fermentation, gasification, pyrolysis, hydrothermal liquefaction, and anaerobic digestion for the production of biohydrogen, bio-oils, biomethane, biochar (BC), and various bio-based products are reviewed in detail. The biorefinery model and its collaborative approach with various processes are highlighted for the production of eco-friendly, sustainable, and cost-effective biofuels and value-added products. The authors also discuss opportunities and challenges related to bio-valorization of algal biomass and use their own perspective regarding the processes involved in production and the feasibility to make algal research a reality for the production of biofuels and bio-based products in a sustainable manner.
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Affiliation(s)
- Manish Kumar
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Yuqing Sun
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Rashmi Rathour
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Ashok Pandey
- CSIR-Indian Institute of Toxicology Research, 31 MG Marg, Lucknow 226 001, India
| | - Indu Shekhar Thakur
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
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Trivedi J, Atray N, Agrawal D. Evaluating Cell Disruption Strategies for Aqueous Lipid Extraction from Oleaginous
Scenedesmus obliquus
at High Solid Loadings. EUR J LIPID SCI TECH 2020. [DOI: 10.1002/ejlt.201900328] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Jayati Trivedi
- Biofuels DivisionCSIR‐ Indian Institute of Petroleum Mohkampur Dehradun 248005 India
- Academy of Scientific and Innovative Research (AcSIR)CSIR‐HRDC Campus Ghaziabad 201002 India
| | - Neeraj Atray
- Biofuels DivisionCSIR‐ Indian Institute of Petroleum Mohkampur Dehradun 248005 India
- Academy of Scientific and Innovative Research (AcSIR)CSIR‐HRDC Campus Ghaziabad 201002 India
| | - Deepti Agrawal
- Academy of Scientific and Innovative Research (AcSIR)CSIR‐HRDC Campus Ghaziabad 201002 India
- Materials resource efficiency DivisionCSIR‐ Indian Institute of Petroleum Mohkampur Dehradun 248005 India
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18
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Roy M, Mohanty K. A comprehensive review on microalgal harvesting strategies: Current status and future prospects. ALGAL RES 2019. [DOI: 10.1016/j.algal.2019.101683] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Nguyen MK, Moon JY, Bui VKH, Oh YK, Lee YC. Recent advanced applications of nanomaterials in microalgae biorefinery. ALGAL RES 2019. [DOI: 10.1016/j.algal.2019.101522] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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20
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Simplifying biodiesel production from microalgae via wet in situ transesterification: A review in current research and future prospects. ALGAL RES 2019. [DOI: 10.1016/j.algal.2019.101557] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Cuellar-Bermudez SP, Kilimtzidi E, Devaere J, Goiris K, Gonzalez-Fernandez C, Wattiez R, Muylaert K. Harvesting of Arthrospira platensis with helicoidal and straight trichomes using filtration and centrifugation. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1624573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Sara P. Cuellar-Bermudez
- KU Leuven Campus Kortrijk, Laboratory Aquatic Biology, Kortrijk, Belgium
- Department of Proteomic and Microbiology, Research Institute for Biosciences, Mons, Belgium
| | | | - Jolien Devaere
- KU Leuven Technology Campus Ghent, Laboratory of Enzyme, Fermentation and Brewing Technology, Ghent, Belgium
| | - Koen Goiris
- KU Leuven Technology Campus Ghent, Laboratory of Enzyme, Fermentation and Brewing Technology, Ghent, Belgium
| | | | - Ruddy Wattiez
- Department of Proteomic and Microbiology, Research Institute for Biosciences, Mons, Belgium
| | - Koenraad Muylaert
- KU Leuven Campus Kortrijk, Laboratory Aquatic Biology, Kortrijk, Belgium
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23
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Tsai YY, Ohashi T, Wu CC, Bataa D, Misaki R, Limtong S, Fujiyama K. Delta-9 fatty acid desaturase overexpression enhanced lipid production and oleic acid content in Rhodosporidium toruloides for preferable yeast lipid production. J Biosci Bioeng 2019; 127:430-440. [DOI: 10.1016/j.jbiosc.2018.09.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 08/28/2018] [Accepted: 09/10/2018] [Indexed: 01/26/2023]
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Wen H, Zou X, Xu K, Shen Z, Ren X, Li Y. Buoy-bead flotation application for the harvesting of microalgae and mechanistic analysis of significant factors. Bioprocess Biosyst Eng 2018; 42:391-400. [DOI: 10.1007/s00449-018-2043-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Accepted: 11/10/2018] [Indexed: 10/27/2022]
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25
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Gorry PL, Sánchez L, Morales M. Microalgae Biorefineries for Energy and Coproduct Production. ENERGY FROM MICROALGAE 2018. [DOI: 10.1007/978-3-319-69093-3_5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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