1
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Zayed MEM, Obaid AY, Almulaiky YQ, El-Shishtawy RM. Enhancing the sustainable immobilization of laccase by amino-functionalized PMMA-reinforced graphene nanomaterial. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119503. [PMID: 38043312 DOI: 10.1016/j.jenvman.2023.119503] [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: 03/22/2023] [Revised: 10/09/2023] [Accepted: 10/26/2023] [Indexed: 12/05/2023]
Abstract
Human health and the environment are negatively affected by endocrine-disrupting chemicals (EDCs), such as bisphenol A. Therefore, developing appropriate remediation methods is essential for efficiently removing phenolic compounds from aqueous solutions. Enzymatic biodegradation is a potential biotechnological approach for responsibly addressing water pollution. With its high catalytic efficiency and few by-products, laccase is an eco-friendly biocatalyst with significant promise for biodegradation. Herein, two novel supporting materials (NH2-PMMA and NH2-PMMA-Gr) were fabricated via the functionalization of poly(methylmethacrylate) (PMMA) polymer using ethylenediamine and reinforced with graphene followed by glutaraldehyde activation. NH2-PMMA and NH2-PMMA-Gr were utilized for laccase immobilization with an immobilization yield (IY%) of 78.3% and 82.5% and an activity yield (AY%) of 81.2% and 85.9%, respectively. Scanning electron microscope (SEM) and Fourier-transform infrared (FTIR) were used to study the characteristics of fabricated material supports. NH2-PMMA-Gr@laccase exhibited an optimal pH profile from 4.5 to 5.0, while NH2-PMMA@laccase exhibited optimum pH at 5.0 compared to a value of 4.0 for free form. A wider temperature ranges of 40-50 °C was noted for both immobilized laccases compared to a value of 40 °C for the free form. Additionally, it was reported that immobilized laccase outperformed free laccase in terms of substrate affinity and storage stability. NH2-PMMA@laccase and NH2-PMMA-Gr@laccase improved stability by up to 3.9 and 4.6-fold when stored for 30 days at 4 °C and preserved up to 80.5% and 86.7% of relative activity after ten cycles of reuse. Finally, the degradation of BPA was achieved using NH2-PMMA@laccase and NH2-PMMA-Gr@laccase. After five cycles, NH2-PMMA@laccase and NH2-PMMA-Gr@laccase showed that the residual degradation of BPA was 77% and 84.5% using 50 μm of BPA. This study introduces a novel, high-performance material for organic pollution remediation in wastewater that would inspire further progress.
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Affiliation(s)
- Mohie E M Zayed
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Abdullah Y Obaid
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Yaaser Q Almulaiky
- Department of Chemistry, College of Science and Arts at Khulis, University of Jeddah, Jeddah, 21921, Saudi Arabia
| | - Reda M El-Shishtawy
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
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2
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Ferrer Campos R, Bachimanchi H, Volpe G, Villa K. Bubble-propelled micromotors for ammonia generation. NANOSCALE 2023; 15:15785-15793. [PMID: 37740381 PMCID: PMC10551873 DOI: 10.1039/d3nr03804a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/17/2023] [Indexed: 09/24/2023]
Abstract
Micromotors have emerged as promising tools for environmental remediation, thanks to their ability to autonomously navigate and perform specific tasks at the microscale. In this study, we present the development of MnO2 tubular micromotors modified with laccase for enhanced oxidation of organic pollutants by providing an additional oxidative catalytic pathway for pollutant removal. These modified micromotors exhibit efficient ammonia generation through the catalytic decomposition of urea, suggesting their potential application in the field of green energy generation. Compared to bare micromotors, the MnO2 micromotors modified with laccase exhibit a 20% increase in rhodamine B degradation. Moreover, the generation of ammonia increased from 2 to 31 ppm in only 15 min, evidencing their high catalytic activity. To enable precise tracking of the micromotors and measurement of their speed, a deep-learning-based tracking system was developed. Overall, this work expands the potential applicability of bio-catalytic tubular micromotors in the energy field.
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Affiliation(s)
- Rebeca Ferrer Campos
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans, 16, Tarragona E-43007, Spain.
| | - Harshith Bachimanchi
- Department of Physics, University of Gothenburg, Origovägen 6B, Gothenburg 41296, Sweden.
| | - Giovanni Volpe
- Department of Physics, University of Gothenburg, Origovägen 6B, Gothenburg 41296, Sweden.
| | - Katherine Villa
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans, 16, Tarragona E-43007, Spain.
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3
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Rybarczyk A, Smułek W, Grzywaczyk A, Kaczorek E, Jesionowski T, Nghiem LD, Zdarta J. 3D printed polylactide scaffolding for laccase immobilization to improve enzyme stability and estrogen removal from wastewater. BIORESOURCE TECHNOLOGY 2023; 381:129144. [PMID: 37172744 DOI: 10.1016/j.biortech.2023.129144] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
This study reports a biocatalytic system of immobilized laccase and 3D printed open-structure biopolymer scaffoldings. The scaffoldings were computer-designed and 3D printed using polylactide (PLA) filament. The immobilization of laccase onto the 3D printed PLA scaffolds were optimized with regard to pH, enzyme concentration, and immobilization time. Laccase immobilization resulted in a small reduction in reactivity (in terms of Michaelis constant and maximum reaction rate) but led to significant improvement in chemical and thermal stability. After 20 days of storage, the immobilized and free laccase showed 80% and 35% retention of the initial enzymatic activity, respectively. The immobilized laccase on 3D printed PLA scaffolds achieved 10% improvement in the removal of estrogens from real wastewater as compared to free laccase and showed the significant reusability potential. Results here are promising but also highlight the need for further study to improve enzymatic activity and reusability.
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Affiliation(s)
- Agnieszka Rybarczyk
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Wojciech Smułek
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Adam Grzywaczyk
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Ewa Kaczorek
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Teofil Jesionowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Long D Nghiem
- Centre for Technology in Water and Wastewater, University of Technology Sydney, Ultimo NSW 2007, Australia
| | - Jakub Zdarta
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland.
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4
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Venkataraman S, Vaidyanathan VK. Synthesis of magnetically recyclable porous cross-linked aggregates of Tramates versicolor MTCC 138 laccase for the efficient removal of pentachlorophenol from aqueous solution. ENVIRONMENTAL RESEARCH 2023; 229:115899. [PMID: 37076027 DOI: 10.1016/j.envres.2023.115899] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 03/14/2023] [Accepted: 04/11/2023] [Indexed: 05/03/2023]
Abstract
The primary objective of this study is to synthesize the magnetically separable highly active porous immobilized laccase for the removal of pentachlorophenol (PCP) in an aqueous solution. Magnetic porous cross-linked enzyme aggregates (Mp-CLEAs) of laccase were synthesized using 1% starch solution with 5 mM glutaraldehyde followed by 10 h of cross-linking time with an activity recovery of 90.85 ± 0.2%. The biocatalytic efficiency of magnetic porous CLEAs (Mp-CLEAs) was 2-fold higher than that of magnetic CLEAs. The synthesized Mp-CLEAs were mechanically stable with enhanced catalytic efficiency, and reusability thus overcoming the mass transfer limitations and enzyme loss. At 40 °C, the thermal stability of the magnetic porous immobilized laccase was improved, with a 602 min half-life compared to 207 min half-life for the free enzyme. Using 40 U/mL of laccase for the removal of 100 ppm of PCP, M-CLEAs, and Mp-CLEAs removed 60.44% and 65.53% of PCP, respectively. Furthermore, to enhance PCP removal, a laccase-aided system was harnessed by optimizing various surfactants and mediators. Of these, 0.1 mM of rhamnolipid and 2,3 dimethoxy phenol had the highest PCP removal rates of 95.12% and 99.41%, respectively, for Mp-CLEAs. This study demonstrates the efficacy of the laccase-surfactant-mediator system for the removal of PCP from the aqueous solution, which can also be proposed for real-time application.
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Affiliation(s)
- Swethaa Venkataraman
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science, And Technology, Chennai, Tamil Nadu, 603203, India
| | - Vinoth Kumar Vaidyanathan
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science, And Technology, Chennai, Tamil Nadu, 603203, India.
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5
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Li M, Li L, Sun Y, Ma H, Zhang H, Li F. Facile synthesis of dual-hydrolase encapsulated magnetic ZIF-8 composite for efficient removal of multi-pesticides induced pollution in water. CHEMOSPHERE 2023; 314:137673. [PMID: 36584821 DOI: 10.1016/j.chemosphere.2022.137673] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/12/2022] [Accepted: 12/25/2022] [Indexed: 06/17/2023]
Abstract
Multi-pesticides pollution induced by organophosphorus insecticides (OPs) and aryloxyphenoxypropionate herbicides (AOPPs) has become a significant challenge in bioremediation of water pollution due to their prolonged and over application. Though a number of physical, chemical, and biological approaches have been developed for different pesticides, the explorations usually focus on eliminating single pesticide pollution. Herein, a heterostructure nanocomposite OPH/QpeH@mZIF-8, encapsulating OPs hydrolase OPH and AOPPs hydrolase QpeH in the magnetic zeolitic imidazolate frameworks-8 (mZIF-8), was synthesized through a facile one-pot method in aqueous solution. The immobilized OPH and QpeH in mZIF-8 showed high activities towards the two most common OPs and AOPPs, i.e., chlorpyrifos and quizalofop-P-ethyl, which were hydrolyzed to 3,5,6-Trichloro-2-pyridino (TCP) and quizalofop acid, respectively. Moreover, the magnetic nanocatalyst possessed great tolerance towards broad pH range, high temperatures, and different chemical solvents and excellent recyclability. More importantly, compared to free OPH and QpeH, OPH/QpeH@mZIF-8, with significantly enhanced degradation capability, exhibited enormous potential for simultaneous removal of chlorpyrifos and quizalofop-p-ethyl from the surface and industrial wastewater. Overall, the study demonstrates the applicability of this strategy for utilizing magnetic nanocatalysts encapsulating multiple enzymes due to its simplicity, high efficiency, and economic benefits to removing pesticide compound pollution from various water resources.
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Affiliation(s)
- Mengya Li
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Lei Li
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Yue Sun
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Hengyan Ma
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Hui Zhang
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China.
| | - Feng Li
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China.
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6
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Kyomuhimbo HD, Brink HG. Applications and immobilization strategies of the copper-centred laccase enzyme; a review. Heliyon 2023; 9:e13156. [PMID: 36747551 PMCID: PMC9898315 DOI: 10.1016/j.heliyon.2023.e13156] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 01/11/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023] Open
Abstract
Laccase is a multi-copper enzyme widely expressed in fungi, higher plants, and bacteria which facilitates the direct reduction of molecular oxygen to water (without hydrogen peroxide production) accompanied by the oxidation of an electron donor. Laccase has attracted attention in biotechnological applications due to its non-specificity and use of molecular oxygen as secondary substrate. This review discusses different applications of laccase in various sectors of food, paper and pulp, waste water treatment, pharmaceuticals, sensors, and fuel cells. Despite the many advantages of laccase, challenges such as high cost due to its non-reusability, instability in harsh environmental conditions, and proteolysis are often encountered in its application. One of the approaches used to minimize these challenges is immobilization. The various methods used to immobilize laccase and the different supports used are further extensively discussed in this review.
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7
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Yang T, Wang Y, Li D, Chen J, Zhang Q. Regenerable Graft of Laccase on Glycosylated Membrane for Treatment of Aquatic Micropollutants. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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8
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Adeola AO, Ore OT, Fapohunda O, Adewole AH, Akerele DD, Akingboye AS, Oloye FF. Psychotropic Drugs of Emerging Concerns in Aquatic Systems: Ecotoxicology and Remediation Approaches. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00334-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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9
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El-Gendi H, Saleh AK, Badierah R, Redwan EM, El-Maradny YA, El-Fakharany EM. A Comprehensive Insight into Fungal Enzymes: Structure, Classification, and Their Role in Mankind's Challenges. J Fungi (Basel) 2021; 8:23. [PMID: 35049963 PMCID: PMC8778853 DOI: 10.3390/jof8010023] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/22/2021] [Accepted: 12/25/2021] [Indexed: 11/16/2022] Open
Abstract
Enzymes have played a crucial role in mankind's challenges to use different types of biological systems for a diversity of applications. They are proteins that break down and convert complicated compounds to produce simple products. Fungal enzymes are compatible, efficient, and proper products for many uses in medicinal requests, industrial processing, bioremediation purposes, and agricultural applications. Fungal enzymes have appropriate stability to give manufactured products suitable shelf life, affordable cost, and approved demands. Fungal enzymes have been used from ancient times to today in many industries, including baking, brewing, cheese making, antibiotics production, and commodities manufacturing, such as linen and leather. Furthermore, they also are used in other fields such as paper production, detergent, the textile industry, and in drinks and food technology in products manufacturing ranging from tea and coffee to fruit juice and wine. Recently, fungi have been used for the production of more than 50% of the needed enzymes. Fungi can produce different types of enzymes extracellularly, which gives a great chance for producing in large amounts with low cost and easy viability in purified forms using simple purification methods. In the present review, a comprehensive trial has been advanced to elaborate on the different types and structures of fungal enzymes as well as the current status of the uses of fungal enzymes in various applications.
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Affiliation(s)
- Hamada El-Gendi
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Universities and Research Institutes Zone, New Borg El-Arab, Alexandria 21934, Egypt;
| | - Ahmed K. Saleh
- Cellulose and Paper Department, National Research Centre, El-Tahrir St., Dokki, Giza 12622, Egypt;
| | - Raied Badierah
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (R.B.); (E.M.R.)
- Medical Laboratory, King Abdulaziz University Hospital, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Elrashdy M. Redwan
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (R.B.); (E.M.R.)
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt;
| | - Yousra A. El-Maradny
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt;
| | - Esmail M. El-Fakharany
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt;
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10
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Kujawa J, Głodek M, Li G, Al-Gharabli S, Knozowska K, Kujawski W. Highly effective enzymes immobilization on ceramics: Requirements for supports and enzymes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149647. [PMID: 34467928 DOI: 10.1016/j.scitotenv.2021.149647] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/27/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Enzyme immobilization is a well-known method for the improvement of enzyme reusability and stability. To achieve very high effectiveness of the enzyme immobilization, not only does the method of attachment need to be optimized, but the appropriate support must be chosen. The essential necessities addressed to the support applied for enzyme immobilization can be focused on the material features as well as on the stability and resistances in certain conditions. Ceramic membranes and nanoparticles are the most widespread supports for enzyme immobilization. Hence, the immobilization of enzymes on ceramic membrane and nanoparticles are summarized and discussed. The important properties of the supports are particle size, pore structure, active surface area, volume to surface ratio, type and number of reactive available groups, as well as thermal, mechanical, and chemical stability. The modifiers and the crosslinkers are crucial to the enzyme loading amount, the chemical and physical stability, and the reusability and catalytical activity of the immobilized enzymes. Therefore, the chemical and physical methods of modification of ceramic materials are presented. The most popular and used modifiers (e.g. APTES, CPTES, VTES) as well as activating agents (GA, gelatin, EDC and/or NHS) applied to the grafting process are discussed. Moreover, functional groups of enzymes are presented and discussed since they play important roles in the enzyme immobilization via covalent bonding. The enhanced physical, chemical, and catalytical properties of immobilized enzymes are discussed revealing the positive balance between the effectiveness of the immobilization process, preservation of high enzyme activity, its good stability, and relatively low cost.
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Affiliation(s)
- Joanna Kujawa
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Marta Głodek
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Guoqiang Li
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Samer Al-Gharabli
- Pharmaceutical and Chemical Engineering Department, German-Jordanian University, Amman 11180, Jordan
| | - Katarzyna Knozowska
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Wojciech Kujawski
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland.
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Adamian Y, Lonappan L, Alokpa K, Agathos SN, Cabana H. Recent Developments in the Immobilization of Laccase on Carbonaceous Supports for Environmental Applications - A Critical Review. Front Bioeng Biotechnol 2021; 9:778239. [PMID: 34938721 PMCID: PMC8685458 DOI: 10.3389/fbioe.2021.778239] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/11/2021] [Indexed: 11/25/2022] Open
Abstract
Τhe ligninolytic enzyme laccase has proved its potential for environmental applications. However, there is no documented industrial application of free laccase due to low stability, poor reusability, and high costs. Immobilization has been considered as a powerful technique to enhance laccase's industrial potential. In this technology, appropriate support selection for laccase immobilization is a crucial step since the support could broadly affect the properties of the resulting catalyst system. Through the last decades, a large variety of inorganic, organic, and composite materials have been used in laccase immobilization. Among them, carbon-based materials have been explored as a support candidate for immobilization, due to their properties such as high porosity, high surface area, the existence of functional groups, and their highly aromatic structure. Carbon-based materials have also been used in culture media as supports, sources of nutrients, and inducers, for laccase production. This study aims to review the recent trends in laccase production, immobilization techniques, and essential support properties for enzyme immobilization. More specifically, this review analyzes and presents the significant benefits of carbon-based materials for their key role in laccase production and immobilization.
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Affiliation(s)
- Younes Adamian
- Université de Sherbrooke Water Research Group, Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Linson Lonappan
- Université de Sherbrooke Water Research Group, Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Komla Alokpa
- Université de Sherbrooke Water Research Group, Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Spiros N. Agathos
- Laboratory of Bioengineering, Earth and Life Institute, Catholic University of Louvain, Louvain-la-Neuve, Belgium
| | - Hubert Cabana
- Université de Sherbrooke Water Research Group, Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada
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12
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Fabrication and Catalytic Characterization of Laccase-Loaded Calcium-Alginate Beads for Enhanced Degradation of Dye-Contaminated Aqueous Solutions. Catal Letters 2021. [DOI: 10.1007/s10562-021-03765-8] [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]
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13
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Xia T, Feng M, Liu C, Liu C, Guo C. Efficient phenol degradation by laccase immobilized on functional magnetic nanoparticles in fixed bed reactor under high-gradient magnetic field. Eng Life Sci 2021; 21:374-381. [PMID: 34140848 PMCID: PMC8182289 DOI: 10.1002/elsc.202100009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/16/2021] [Accepted: 03/23/2021] [Indexed: 11/18/2022] Open
Abstract
Enzymatic degradation of emerging contaminants has gained great interest for the past few years. However, free enzyme often incurs high costs in practice. The immobilized laccase on the polyethylenimine (PEI)-functionalized magnetic nanoparticles (Fe3O4-NH2-PEI-laccase) was fabricated to efficiently degrade phenolic compounds continuously in a newly fixed bed reactor under a high-gradient magnetic field. The degradation rate of continuous treatment in the bed after 18 h was 2.38 times as high as that of batch treatment after six successive operations with the same treatment duration. Under the optimal conditions of volume fraction of nickel wires mesh, flow rate of phenol solution, phenol concentration, and Fe3O4-NH2-PEI-laccase amount, the degradation rate of phenol kept over 70.30% in 48 h continuous treatment. The fixed bed reactor filled with Fe3O4-NH2-PEI-laccase provided a promising avenue for the continuous biodegradation of phenolic compounds for industrial wastewater in practice.
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Affiliation(s)
- Ting‐Ting Xia
- State Key Laboratory of Biochemical Engineering & Key Laboratory of Green Process and EngineeringInstitute of Process EngineeringChinese Academy of SciencesBeijingP. R. China
- University of Chinese Academy of SciencesBeijingP. R. China
- Key Laboratory of Radiological Protection and Nuclear EmergencyChina CDCNational Institute for Radiological ProtectionChinese Center for Disease Control and PreventionBeijingP. R. China
| | - Mei Feng
- State Key Laboratory of Bio‐fibers and Eco‐textilesInstitute of Biochemical EngineeringAffiliated Qingdao Central HospitalCollege of Materials Science and EngineeringQingdao UniversityQingdaoP. R. China
| | - Chun‐Lei Liu
- State Key Laboratory of Bio‐fibers and Eco‐textilesInstitute of Biochemical EngineeringAffiliated Qingdao Central HospitalCollege of Materials Science and EngineeringQingdao UniversityQingdaoP. R. China
| | - Chun‐Zhao Liu
- State Key Laboratory of Biochemical Engineering & Key Laboratory of Green Process and EngineeringInstitute of Process EngineeringChinese Academy of SciencesBeijingP. R. China
- State Key Laboratory of Bio‐fibers and Eco‐textilesInstitute of Biochemical EngineeringAffiliated Qingdao Central HospitalCollege of Materials Science and EngineeringQingdao UniversityQingdaoP. R. China
| | - Chen Guo
- State Key Laboratory of Biochemical Engineering & Key Laboratory of Green Process and EngineeringInstitute of Process EngineeringChinese Academy of SciencesBeijingP. R. China
- University of Chinese Academy of SciencesBeijingP. R. China
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14
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Yadav D, Ranjan B, Mchunu N, Le Roes-Hill M, Kudanga T. Enzymatic treatment of phenolic pollutants by a small laccase immobilized on APTES-functionalised magnetic nanoparticles. 3 Biotech 2021; 11:302. [PMID: 34194895 DOI: 10.1007/s13205-021-02854-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 05/19/2021] [Indexed: 11/25/2022] Open
Abstract
In this study, we have successfully synthesized magnetic nanoparticles (MNPs), functionalised them by silanization and used them for the covalent immobilization of a recombinant small laccase (rSLAC) from Streptomyces coelicolor. The immobilized recombinant laccase (MNP-rSLAC) was subsequently used for the treatment of phenol, 4-chlorophenol (4-CP) and 4-fluorophenol (4-FP). The enzyme completely degraded 80 µg/mL of the selected phenolic compounds within 2 h in the presence of a natural mediator, acetosyringone. The MNP-rSLAC retained > 73% of initial activity (2,6-dimethoxyphenol as substrate) after 10 catalytic cycles and could be easily recovered from the reaction mixture by the application of magnetic field. Furthermore, immobilised rSLAC exhibited better storage stability than its free counterpart. The Michaelis constant (Km) value for the immobilised rSLAC was higher than free rSLAC, however the maximum velocity (Vmax) of the immobilised SLAC was similar to that of the free rSLAC. Growth inhibition studies using Escherichia coli showed that rSLAC-mediated treatment of phenolic compounds reduced the toxicity of phenol, 4-CP and 4-FP by 90, 60 and 55%, respectively. Interestingly, the presence of selected metal ions (Co2+, Cu2+, Mn2+) greatly enhanced the catalytic activity of rSLAC and MNP-rSLAC. This study indicates that immobilized small laccase (MNP-rSLAC) has potential for treating wastewater contaminated with phenolic compounds. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-021-02854-0.
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Affiliation(s)
- Deepti Yadav
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P.O. BOX 1334, Durban, 4000 South Africa
| | - Bibhuti Ranjan
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P.O. BOX 1334, Durban, 4000 South Africa
- Department of Biochemistry, National University of Singapore, Singapore, Singapore
| | - Nokuthula Mchunu
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P.O. BOX 1334, Durban, 4000 South Africa
- Agricultural Research Council, Biotechnology Platform, Private Bag X5, Onderstepoort, 0110 South Africa
| | - Marilize Le Roes-Hill
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville Campus, Symphony Way, PO Box 1906, Bellville, 7535 South Africa
| | - Tukayi Kudanga
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P.O. BOX 1334, Durban, 4000 South Africa
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Shivalkar S, Gautam PK, Chaudhary S, Samanta SK, Sahoo AK. Recent development of autonomously driven micro/nanobots for efficient treatment of polluted water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 281:111750. [PMID: 33434762 DOI: 10.1016/j.jenvman.2020.111750] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/20/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
Autonomously propelled micro/nanobots are one of the most advanced and integrated structures which have been fascinated researchers owing to its exceptional property that enables them to be carried out user-defined tasks more precisely even on an atomic scale. The unique architecture and engineering aspects of these manmade tiny devices make them viable options for widespread biomedical applications. Moreover, recent development in this line of interest demonstrated that micro/nanobots would be very promising for the water treatment as these can efficiently absorb or degrade the toxic chemicals from the polluted water based on their tunable surface chemistry. These auto propelled micro/nanobots catalytically degrade toxic pollutants into non-hazardous compounds more rapidly and effectively. Thus, for the last few decades, nanobots mediated water treatment gaining huge popularity due to its ease of operation and scope of guided motion that could be monitored by various external fields and stimuli. Also, these are economical, energy-saving, and suitable for large scale water treatment, particularly required for industrial effluents. However, the efficacy of these bots hugely relies on its design, characteristic of materials, properties of the medium, types of fuel, and surface functional groups. Minute variation for one of these things may lead to a change in its performance and hinders its dynamics of propulsion. It is deemed that nanobots might be a smart choice for using these as the new generation devices for treating industrial effluents before discharging it in the water bodies, which is a major concern for human health and the environment.
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Affiliation(s)
- Saurabh Shivalkar
- Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Devghat, Prayagraj, UP, 211015, India
| | - Pavan Kumar Gautam
- Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Devghat, Prayagraj, UP, 211015, India
| | - Shrutika Chaudhary
- Department of Biotechnology, Integral University, Lucknow, UP, 226026, India
| | - Sintu Kumar Samanta
- Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Devghat, Prayagraj, UP, 211015, India.
| | - Amaresh Kumar Sahoo
- Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Devghat, Prayagraj, UP, 211015, India.
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Ren D, Wang Z, Jiang S, Yu H, Zhang S, Zhang X. Recent environmental applications of and development prospects for immobilized laccase: a review. Biotechnol Genet Eng Rev 2021; 36:81-131. [PMID: 33435852 DOI: 10.1080/02648725.2020.1864187] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Laccases have enormous potential as promising 'green' biocatalysts in environmental applications including wastewater treatment and polluted soil bioremediation. The catalytic oxidation reaction they perform uses only molecular oxygen without other cofactors, and the only product after the reaction is water. The immobilization of laccase offers several improvements such as protected activity and enhanced stability over free laccase. In addition, the reusability of immobilized laccase is adistinct advantage for future applications. This review covers the sources of and progress in laccase research, and discusses the different methodologies of laccase immobilization that have emerged in the recent 5-10 years, as well as its applications to environmental fields, and evaluates these emerging technologies. Abbreviations: (2,4,6-TCP): 2,4,6-trichlorophenol; (2,4-DCP): 2,4-dichlorophenol; (ABTS), 2,2-azinobis (3-ethylbenzothiazoline-6-sulfonic acid); (ACE), acetaminophen; (BC-AS), almond shell; (BC-PM), pig manure; (BC-PW), pine wood; (BPA), bisphenol A; (BPA), bisphenol A; (BPF), bisphenol F; (BPS), bisphenol S; (C60), fullerene; (Ca-AIL), calcium-alginate immobilized laccase; (CBZ), carbamazepine; (CETY), cetirizine; (CHT-PGMA-PEI-Cu (II) NPs), Cu (II)-chelated chitosan nanoparticles; (CLEAs), cross-linked enzyme aggregates; (CMMC), carbon-based mesoporous magnetic composites; (COD), chemical oxygen demand; (CPH), ciprofloxacin hydrochloride; (CS), chitosan; (CTC), chlortetracycline; (Cu-AIL), copper-alginate immobilized laccase; (DBR K-4BL), Drimarene brilliant red K-4BL; (DCF), diclofenac; (E1),estrone; (E2), 17 β-estradiol; (EDC), 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride; (EDCs), endocrine disrupting chemicals; (EE2), 17α-ethinylestradiol; (EFMs), electrospun fibrous membranes; (FL), free laccase; (fsMP), fumed silica microparticles; (GA-CBs), GLU-crosslinked chitosan beads; (GA-CBs), glutaraldehyde-crosslinked chitosan beads; (GA-Zr-MOF), graphene aerogel-zirconium-metal organic framework; (GLU), glutaraldehyde; (GO), graphene oxide; (HMCs), hollow mesoporous carbon spheres; (HPEI/PES), hyperbranched polyethyleneimine/polyether sulfone; (IC), indigo carmine; (IL), immobilized laccase; (kcat), catalytic constant; (Km), Michealis constant; (M-CLEAs), Magnetic cross-linked enzyme aggregates; (MMSNPs-CPTS-IDA-Cu2+), Cu2+-chelated magnetic mesoporous silica nanoparticles; (MSS), magnetic mesoporous silica spheres; (MWNTs), multi-walled carbon nanotubes; (MWNTs), multi-walled carbon nanotubes; (NHS), N-hydroxy succinimide; (O-MWNTs), oxidized-MWNTs; (P(AAm-NIPA)), poly(acrylamide-N-isopropylacrylamide); (p(GMA)), poly(glycidyl methacrylate); (p(HEMA)), poly(hydroxyethyl methacrylate); (p(HEMA-g-GMA)-NH2, poly(glycidyl methacrylate) brush grafted poly(hydroxyethyl methacrylate); (PA6/CHIT), polyamide 6/chitosan; (PAC), powdered active carbon; (PAHs), polycyclic aromatic hydrocarbons; (PAM-CTS), chitosan grafted polyacrylamide hydrogel; (PAN/MMT/GO), polyacrylonitrile/montmorillonite/graphene oxide; (PAN/PVdF), polyacrylonitrile/polyvinylidene fluoride; (PEG), poly ethylene glycol; (PEI), Poly(ethyleneimine); (poly(4-VP)), poly(4-vinyl pyridine); (poly(GMA-MAA)), poly(glycidyl methacrylate-methacrylic acid); (PVA), polyvinyl alcohol; (RBBR), Remazol Brilliant Blue R; (SDE), simulated dye effluent; (semi-IPNs), semi-interpenetrating polymer networks; (TC), tetracycline; (TCH), tetracycline hydrochloride; (TCS), triclosan; (Vmax), maximum activity; (Zr-MOF, MMU), micro-mesoporous Zr-metal organic framework.
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Affiliation(s)
- Dajun Ren
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology , Wuhan, China.,Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology , Wuhan, Hubei, China
| | - Zhaobo Wang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology , Wuhan, China.,Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology , Wuhan, Hubei, China
| | - Shan Jiang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology , Wuhan, China.,Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology , Wuhan, Hubei, China
| | - Hongyan Yu
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology , Wuhan, China.,Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology , Wuhan, Hubei, China
| | - Shuqin Zhang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology , Wuhan, China.,Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology , Wuhan, Hubei, China
| | - Xiaoqing Zhang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology , Wuhan, China.,Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology , Wuhan, Hubei, China
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Morsy SAGZ, Ahmad Tajudin A, Ali MSM, Shariff FM. Current Development in Decolorization of Synthetic Dyes by Immobilized Laccases. Front Microbiol 2020; 11:572309. [PMID: 33101245 PMCID: PMC7554347 DOI: 10.3389/fmicb.2020.572309] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 09/01/2020] [Indexed: 12/29/2022] Open
Abstract
The world today is in a quest for new means of environmental remediation as the methods currently used are not sufficient to halt the damage. Mostly, a global direction is headed toward a shift from traditional chemical-based methods to a more ecofriendly alternative. In this context, biocatalysis is seen as a cost-effective, energy saving, and clean alternative. It is meant to catalyze degradation of recalcitrant chemicals in an easy, rapid, green, and sustainable manner. One already established application of biocatalysis is the removal of dyes from natural water bodies using enzymes, notably oxidoreductases like laccases, due to their wide range of substrate specificity. In order to boost their catalytic activity, various methods of enhancements have been pursued including immobilization of the enzyme on different support materials. Aside from increased catalysis, immobilized laccases have the advantages of higher stability, better durability against harsh environment conditions, longer half-lives, resistance against protease enzymes, and the ability to be recovered for reuse. This review briefly outlines the current methods used for detoxification and decolorization of dye effluents stressing on the importance of laccases as a revolutionary biocatalytic solution to this environmental problem. This work highlights the significance of laccase immobilization and also points out some of the challenges and opportunities of this technology.
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Affiliation(s)
- Sherine Ahmed Gamal Zakaria Morsy
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Asilah Ahmad Tajudin
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia.,Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Mohd Shukuri Mohamad Ali
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia.,Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Fairolniza Mohd Shariff
- Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia.,Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
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Influence of Carrier Structure and Physicochemical Factors on Immobilisation of Fungal Laccase in Terms of Bisphenol A Removal. Catalysts 2020. [DOI: 10.3390/catal10090951] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Laccase from Pleurotus ostreatus was immobilised on porous Purolite® carriers and amino-functionalised ultrafiltration membranes. The results indicated a correlation between the carrier structure and the activity of laccase immobilised thereon. The highest activity was obtained for carriers characterised by a small particle size and a larger pore diameter (the porous carriers with an additional spacer (C2 and C6) and octadecyl methacrylate beads with immobilised laccase activity of 5.34 U/g, 2.12 U/g and 7.43 U/g, respectively. The conditions of immobilisation and storage of immobilised laccase were modified to improve laccase activity in terms of bisphenol A transformation. The highest laccase immobilisation activity was obtained on small bead carriers with a large diameter of pores incubated in 0.1 M phosphate buffer pH 7 and for immobilisation time of 3 h at 22 °C. The immobilised LAC was stable for four weeks maintaining 80–90% of its initial activity in the case of the best C2, C6, and C18 carriers. The immobilised laccase transformed 10 mg/L of BPA in 45% efficiency and decreased its toxicity 3-fold in the Microtox tests. The effectiveness of BPA transformation, and the legitimacy of conducting this process due to the reduction of the toxicity of the resulting reaction products have been demonstrated. Reusability of immobilised LAC has been proven during BPA removal in 10 subsequent batches.
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19
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From Laboratory Tests to the Ecoremedial System: The Importance of Microorganisms in the Recovery of PPCPs-Disturbed Ecosystems. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10103391] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The presence of a wide variety of emerging pollutants in natural water resources is an important global water quality challenge. Pharmaceuticals and personal care products (PPCPs) are known as emerging contaminants, widely used by modern society. This objective ensures availability and sustainable management of water and sanitation for all, according to the 2030 Agenda. Wastewater treatment plants (WWTP) do not always mitigate the presence of these emerging contaminants in effluents discharged into the environment, although the removal efficiency of WWTP varies based on the techniques used. This main subject is framed within a broader environmental paradigm, such as the transition to a circular economy. The research and innovation within the WWTP will play a key role in improving the water resource management and its surrounding industrial and natural ecosystems. Even though bioremediation is a green technology, its integration into the bio-economy strategy, which improves the quality of the environment, is surprisingly rare if we compare to other corrective techniques (physical and chemical). This work carries out a bibliographic review, since the beginning of the 21st century, on the biological remediation of some PPCPs, focusing on organisms (or their by-products) used at the scale of laboratory or scale-up. PPCPs have been selected on the basics of their occurrence in water resources. The data reveal that, despite the advantages that are associated with bioremediation, it is not the first option in the case of the recovery of systems contaminated with PPCPs. The results also show that fungi and bacteria are the most frequently studied microorganisms, with the latter being more easily implanted in complex biotechnological systems (78% of bacterial manuscripts vs. 40% fungi). A total of 52 works has been published while using microalgae and only in 7% of them, these organisms were used on a large scale. Special emphasis is made on the advantages that are provided by biotechnological systems in series, as well as on the need for eco-toxicological control that is associated with any process of recovery of contaminated systems.
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20
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Zhang Z, Ding C, Li Y, Ke H, Cheng G. Efficient removal of tetracycline hydrochloride from aqueous solution by mesoporous cage MOF-818. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2514-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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21
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Wastewater Treatment by Novel Polyamide/Polyethylenimine Nanofibers with Immobilized Laccase. WATER 2020. [DOI: 10.3390/w12020588] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Endocrine-disrupting chemicals are highly resistant organic compounds, commonly occurring in the aquatic environment, that can interfere with the endocrine system of animals and humans, causing serious chronic diseases. In recent decades, enzymes from oxidoreductases have been studied for their potential to degrade these compounds effectively. In order to use such enzymes repeatedly, it is necessary to ensure their insolubility in water, a method termed enzyme immobilization. We developed novel polyamide/polyethylenimine (PA/PEI) nanofibers as a promising support material for the immobilization of various biomolecules. Our nanofibers are highly suitable due to a unique combination of mechanical endurance provided by polyamide 6 and their affinity toward biomolecules, ensured by numerous PEI amino groups. Enzyme laccase was successfully immobilized onto PA/PEI nanofibers using a simple and fast method, providing exceptional activity and stability of the attached enzyme. We then tested the degradation ability of the PA/PEI-laccase samples on a highly concentrated mixture of endocrine-disrupting chemicals in real wastewater with adjusted pH. The results indicate that the samples were a suitable material for wastewater treatment by degrading a highly concentrated mixture of bisphenol A, 17α-ethinylestradiol, triclosan, and diclofenac, in real wastewater effluent.
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Smeets V, Baaziz W, Ersen O, Gaigneaux EM, Boissière C, Sanchez C, Debecker DP. Hollow zeolite microspheres as a nest for enzymes: a new route to hybrid heterogeneous catalysts. Chem Sci 2019; 11:954-961. [PMID: 34084349 PMCID: PMC8146638 DOI: 10.1039/c9sc04615a] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
In the field of heterogeneous catalysis, the successful integration of enzymes and inorganic catalysts could pave the way to multifunctional materials which are able to perform advanced cascade reactions. However, such combination is not straightforward, for example in the case of zeolite catalysts for which enzyme immobilization is restricted to the external surface. Herein, this challenge is overcome by developing a new kind of hybrid catalyst based on hollow zeolite microspheres obtained by the aerosol-assisted assembly of zeolite nanocrystals. The latter spheres possess open entry-ways for enzymes, which are then loaded and cross-linked to form cross-linked enzyme aggregates (CLEAs), securing their entrapment. This controlled design allows the combination of all the decisive features of the zeolite with a high enzyme loading. A chemo-enzymatic reaction is demonstrated, where the structured zeolite material is used both as a nest for the enzyme and as an efficient inorganic catalyst. Glucose oxidase (GOx) ensures the in situ production of H2O2 subsequently utilized by the TS-1 zeolite to catalyze the epoxidation of allylic alcohol toward glycidol. The strategy can also be used to entrap other enzymes or combination of enzymes, as demonstrated here with combi-CLEAs of horseradish peroxidase (HRP) and glucose oxidase. We anticipate that this strategy will open up new perspectives, leveraging on the spray-drying (aerosol) technique to shape microparticles from various nano-building blocks and on the entrapment of biological macromolecules to obtain new multifunctional hybrid microstructures.
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Affiliation(s)
- Valentin Smeets
- Institute of Condensed Matter and Nanosciences (IMCN), UCLouvain Place L. Pasteur 1 1348 Louvain-la-Neuve Belgium
| | - Walid Baaziz
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 CNRS - Université de Strasbourg 23 rue du Loess 67034 Strasbourg Cedex 2 France
| | - Ovidiu Ersen
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 CNRS - Université de Strasbourg 23 rue du Loess 67034 Strasbourg Cedex 2 France
| | - Eric M Gaigneaux
- Institute of Condensed Matter and Nanosciences (IMCN), UCLouvain Place L. Pasteur 1 1348 Louvain-la-Neuve Belgium
| | - Cédric Boissière
- Laboratoire Chimie de la Matière Condensée de Paris (LCMCP), Sorbonne Université, CNRS, Collège de France, PSL Research University 4 Place Jussieu F-75005 Paris France
| | - Clément Sanchez
- Laboratoire Chimie de la Matière Condensée de Paris (LCMCP), Sorbonne Université, CNRS, Collège de France, PSL Research University 4 Place Jussieu F-75005 Paris France
| | - Damien P Debecker
- Institute of Condensed Matter and Nanosciences (IMCN), UCLouvain Place L. Pasteur 1 1348 Louvain-la-Neuve Belgium
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Arregui L, Ayala M, Gómez-Gil X, Gutiérrez-Soto G, Hernández-Luna CE, Herrera de los Santos M, Levin L, Rojo-Domínguez A, Romero-Martínez D, Saparrat MCN, Trujillo-Roldán MA, Valdez-Cruz NA. Laccases: structure, function, and potential application in water bioremediation. Microb Cell Fact 2019; 18:200. [PMID: 31727078 PMCID: PMC6854816 DOI: 10.1186/s12934-019-1248-0] [Citation(s) in RCA: 189] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 10/31/2019] [Indexed: 11/11/2022] Open
Abstract
The global rise in urbanization and industrial activity has led to the production and incorporation of foreign contaminant molecules into ecosystems, distorting them and impacting human and animal health. Physical, chemical, and biological strategies have been adopted to eliminate these contaminants from water bodies under anthropogenic stress. Biotechnological processes involving microorganisms and enzymes have been used for this purpose; specifically, laccases, which are broad spectrum biocatalysts, have been used to degrade several compounds, such as those that can be found in the effluents from industries and hospitals. Laccases have shown high potential in the biotransformation of diverse pollutants using crude enzyme extracts or free enzymes. However, their application in bioremediation and water treatment at a large scale is limited by the complex composition and high salt concentration and pH values of contaminated media that affect protein stability, recovery and recycling. These issues are also associated with operational problems and the necessity of large-scale production of laccase. Hence, more knowledge on the molecular characteristics of water bodies is required to identify and develop new laccases that can be used under complex conditions and to develop novel strategies and processes to achieve their efficient application in treating contaminated water. Recently, stability, efficiency, separation and reuse issues have been overcome by the immobilization of enzymes and development of novel biocatalytic materials. This review provides recent information on laccases from different sources, their structures and biochemical properties, mechanisms of action, and application in the bioremediation and biotransformation of contaminant molecules in water. Moreover, we discuss a series of improvements that have been attempted for better organic solvent tolerance, thermo-tolerance, and operational stability of laccases, as per process requirements.
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Affiliation(s)
- Leticia Arregui
- Departamento de Ciencias Naturales, Universidad Autónoma Metropolitana, Unidad Cuajimalpa, Av. Vasco de Quiroga 4871, Col. Santa Fe Cuajimalpa, C.P. 05348 Mexico City, Mexico
| | - Marcela Ayala
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001 Chamilpa, 62210 Cuernavaca, Morelos Mexico
| | - Ximena Gómez-Gil
- Programa de Investigación de Producción de Biomoléculas, Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, AP. 70228, Mexico City, CP. 04510 Mexico
| | - Guadalupe Gutiérrez-Soto
- Facultad de Agronomía, Universidad Autónoma de Nuevo León, Francisco Villa, 66059 Colonia Ex hacienda El Canadá, General Escobedo, Nuevo León Mexico
| | - Carlos Eduardo Hernández-Luna
- Laboratorio de Enzimología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Pedro de Alba y Manuel L. Barragán, Cd. Universitaria, 66451 San Nicolás de los Garza, Nuevo León Mexico
| | - Mayra Herrera de los Santos
- Programa de Investigación de Producción de Biomoléculas, Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, AP. 70228, Mexico City, CP. 04510 Mexico
| | - Laura Levin
- Laboratorio de Micología Experimental, DBBE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INMIBO-CONICET, Ciudad Universitaria, Pabellón 2, Piso 4, C1428BGA Ciudad Autónoma de Buenos Aires, Argentina
| | - Arturo Rojo-Domínguez
- Departamento de Ciencias Naturales, Universidad Autónoma Metropolitana, Unidad Cuajimalpa, Av. Vasco de Quiroga 4871, Col. Santa Fe Cuajimalpa, C.P. 05348 Mexico City, Mexico
| | - Daniel Romero-Martínez
- Programa de Investigación de Producción de Biomoléculas, Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, AP. 70228, Mexico City, CP. 04510 Mexico
| | - Mario C. N. Saparrat
- Instituto de Fisiología Vegetal (INFIVE), Universidad Nacional de La Plata (UNLP)-CCT-La Plata-Consejo Nacional de Investigaciones Científicas y técnicas (CONICET), Diag. 113 y 61, 327CC, 1900, La Plata, Argentina
- Instituto de Botánica Spegazzini, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, 53 # 477, 1900, La Plata, Argentina
| | - Mauricio A. Trujillo-Roldán
- Programa de Investigación de Producción de Biomoléculas, Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, AP. 70228, Mexico City, CP. 04510 Mexico
| | - Norma A. Valdez-Cruz
- Programa de Investigación de Producción de Biomoléculas, Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, AP. 70228, Mexico City, CP. 04510 Mexico
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Maryskova M, Rysova M, Novotny V, Sevcu A. Polyamide-Laccase Nanofiber Membrane for Degradation of Endocrine-Disrupting Bisphenol A, 17α-ethinylestradiol, and Triclosan. Polymers (Basel) 2019; 11:polym11101560. [PMID: 31557869 PMCID: PMC6835364 DOI: 10.3390/polym11101560] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/23/2019] [Accepted: 09/23/2019] [Indexed: 01/20/2023] Open
Abstract
Contamination of potable water by endocrine disrupting chemicals (EDCs) is a growing problem worldwide. One of the possible treatments is the utilization of laccase enzyme catalyzing oxidation of phenolic structures of EDC when anchored in a polymeric nanofiber membrane. Previous studies failed to develop a membrane with a sufficiently active enzyme, or the immobilization process was too complicated and time-consuming. Here, we established an elegant method for immobilizing Trametes versicolor laccase onto polyamide 6 nanofibers (PA6-laccase) via adsorption and glutaraldehyde crosslinking, promoting high enzyme activity and easier applicability in water treatment technology. This simple and inexpensive immobilization ensures both repeated use, with over 88% of initial activity retained after five ABTS catalytic cycles, and enhanced storage stability. PA6-laccase was highly effective in degrading a 50-µM EDC mixture, with only 7% of bisphenol A, 2% of 17α-ethinylestradiol, and 30% of triclosan remaining after a 24-h catalytic process. The PA6-laccase membrane can lead to the improvement of novel technologies for controlling of EDC contamination in potable water.
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Affiliation(s)
- Milena Maryskova
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Bendlova 1409/7, 46117 Liberec, Czech Republic.
- Faculty of Mechatronics, Informatics and Interdisciplinary Studies, Technical University of Liberec, Studentska 1402/2, 46117 Liberec, Czech Republic.
| | - Miroslava Rysova
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Bendlova 1409/7, 46117 Liberec, Czech Republic.
- Faculty of Mechatronics, Informatics and Interdisciplinary Studies, Technical University of Liberec, Studentska 1402/2, 46117 Liberec, Czech Republic.
| | - Vit Novotny
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Bendlova 1409/7, 46117 Liberec, Czech Republic.
| | - Alena Sevcu
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Bendlova 1409/7, 46117 Liberec, Czech Republic.
- Faculty of Mechatronics, Informatics and Interdisciplinary Studies, Technical University of Liberec, Studentska 1402/2, 46117 Liberec, Czech Republic.
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Deska M, Kończak B. Immobilized fungal laccase as "green catalyst" for the decolourization process – State of the art. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.05.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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26
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The Use of Algae and Fungi for Removal of Pharmaceuticals by Bioremediation and Biosorption Processes: A Review. WATER 2019. [DOI: 10.3390/w11081555] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The occurrence and fate of pharmaceuticals in the aquatic environment is recognized as one of the emerging issues in environmental chemistry. Conventional wastewater treatment plants (WWTPs) are not designed to remove pharmaceuticals (and their metabolites) from domestic wastewaters. The treatability of pharmaceutical compounds in WWTPs varies considerably depending on the type of compound since their biodegradability can differ significantly. As a consequence, they may reach the aquatic environment, directly or by leaching of the sludge produced by these facilities. Currently, the technologies under research for the removal of pharmaceuticals, namely membrane technologies and advanced oxidation processes, have high operation costs related to energy and chemical consumption. When chemical reactions are involved, other aspects to consider include the formation of harmful reaction by-products and the management of the toxic sludge produced. Research is needed in order to develop economic and sustainable treatment processes, such as bioremediation and biosorption. The use of low-cost materials, such as biological matrices (e.g., algae and fungi), has advantages such as low capital investment, easy operation, low operation costs, and the non-formation of degradation by-products. An extensive review of existing research on this subject is presented.
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Aptitude of Oxidative Enzymes for Treatment of Wastewater Pollutants: A Laccase Perspective. Molecules 2019; 24:molecules24112064. [PMID: 31151229 PMCID: PMC6600482 DOI: 10.3390/molecules24112064] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 04/19/2019] [Accepted: 04/27/2019] [Indexed: 01/28/2023] Open
Abstract
Natural water sources are very often contaminated by municipal wastewater discharges which contain either of xenobiotic pollutants and their sometimes more toxic degradation products, or both, which frustrates the universal millenium development goal of provision of the relatively scarce pristine freshwater to water-scarce and -stressed communities, in order to augment their socioeconomic well-being. Seeing that both regulatory measures, as regards the discharge limits of wastewater, and the query for efficient treatment methods remain unanswered, partially, the prospects of enzymatic treatment of wastewater is advisable. Therefore, a reconsideration was assigned to the possible capacity of oxidative enzymes and the respective challenges encountered during their applications in wastewater treatment, and ultimately, the prospects of laccase, a polyphenol oxidase that oxidizes aromatic and inorganic substrates with electron-donating groups in treatment aromatic contaminants of wastewater, in real wastewater situations, since it is assumed to be a vehicle for a greener community. Furthermore, the importance of laccase-driven catalysis toward maintaining mass-energy balance, hence minimizing environmental waste, was comprehensibly elucidated, as well the strategic positioning of laccase in a model wastewater treatment facility for effective treatment of wastewater contaminants.
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Patel M, Kumar R, Kishor K, Mlsna T, Pittman CU, Mohan D. Pharmaceuticals of Emerging Concern in Aquatic Systems: Chemistry, Occurrence, Effects, and Removal Methods. Chem Rev 2019; 119:3510-3673. [DOI: 10.1021/acs.chemrev.8b00299] [Citation(s) in RCA: 827] [Impact Index Per Article: 165.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Manvendra Patel
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Rahul Kumar
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Kamal Kishor
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Todd Mlsna
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States
| | - Charles U. Pittman
- Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States
| | - Dinesh Mohan
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
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Lassouane F, Aït-Amar H, Amrani S, Rodriguez-Couto S. A promising laccase immobilization approach for Bisphenol A removal from aqueous solutions. BIORESOURCE TECHNOLOGY 2019; 271:360-367. [PMID: 30293031 DOI: 10.1016/j.biortech.2018.09.129] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/24/2018] [Accepted: 09/25/2018] [Indexed: 05/11/2023]
Abstract
The immobilization of crude laccase from Trametes pubescens by glutaraldehyde crosslinking prior to entrapment into Ca-alginate beads increased the immobilization yield by 30% and reduced the leaking by 7-fold compared to the immobilization with no crosslinking. The performance of the newly developed biocatalyst to degrade Bisphenol A (BPA) from aqueous solutions was tested. Thus, operating at optimal conditions (i.e. pH 5, 30 °C, 20 mg L-1 BPA and 1500 U L-1 laccase), a BPA removal higher than 99% in 2 h was achieved. This value is higher than those reported to date for BPA removal by immobilized laccases. In addition, the biocatalyst was able to remove BPA in 10 successive batches with an efficiency higher than 70% at the end of the last batch. BPA adsorption on the alginate beads was negligible, therefore BPA removal was only due to laccase action. Moreover, Fourier-transform Infrared (FTIR) spectroscopy suggested BPA transformation by laccase.
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Affiliation(s)
- Fatiha Lassouane
- Université des Sciences et de la Technologie Houari Boumediene (USTHB), Laboratoire des Sciences du Génie des Procédés Industriels, Faculté de Génie Mécanique et de Génie des Procédés, BP 32, El-Alia 16111, Algiers, Algeria; Centre de Développement des Energies Renouvelables, CDER, 16340 Algiers, Algeria.
| | - Hamid Aït-Amar
- Université des Sciences et de la Technologie Houari Boumediene (USTHB), Laboratoire des Sciences du Génie des Procédés Industriels, Faculté de Génie Mécanique et de Génie des Procédés, BP 32, El-Alia 16111, Algiers, Algeria
| | - Saïd Amrani
- Université des Sciences et de la Technologie Houari Boumediene (USTHB), Laboratoire de Biologie des Sols, Faculté des Sciences Biologiques, El-Alia 16111, Algiers, Algeria
| | - Susana Rodriguez-Couto
- Ceit-IK4, Water and Health Division, Paseo Manuel de Lardizábal 15, 20018 Donostia-San Sebastian, Spain; Universidad de Navarra, Tecnun, Paseo Manuel de Lardizábal 13, 20018 Donostia-San Sebastian, Spain; IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, 48013 Bilbao, Spain.
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Lacerda MFAR, Lopes FM, Sartoratto A, Ponezi AN, Thomaz DV, Schimidt F, Santiago MF. Stability of immobilized laccase on Luffa Cylindrica fibers and assessment of synthetic hormone degradation. Prep Biochem Biotechnol 2018; 49:58-63. [DOI: 10.1080/10826068.2018.1525568] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
| | | | - Adilson Sartoratto
- Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas, Universidade Estadual de Campinas, Campinas, SP, Brazil
| | - Alexandre Nunes Ponezi
- Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas, Universidade Estadual de Campinas, Campinas, SP, Brazil
| | | | - Fernando Schimidt
- Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Goiânia, GO, Brazil
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Zdarta J, Meyer AS, Jesionowski T, Pinelo M. Developments in support materials for immobilization of oxidoreductases: A comprehensive review. Adv Colloid Interface Sci 2018; 258:1-20. [PMID: 30075852 DOI: 10.1016/j.cis.2018.07.004] [Citation(s) in RCA: 135] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 07/11/2018] [Accepted: 07/23/2018] [Indexed: 12/07/2022]
Abstract
Bioremediation, a biologically mediated transformation or degradation of persistent chemicals into nonhazardous or less-hazardous substances, has been recognized as a key strategy to control levels of pollutants in water and soils. The use of enzymes, notably oxidoreductases such as laccases, tyrosinases, various oxygenases, aromatic dioxygenases, and different peroxidases (all of EC class 1) is receiving significant research attention in this regard. It should be stated that immobilization is emphasized as a powerful tool for enhancement of enzyme activity and stability as well as for protection of the enzyme proteins against negative effects of harsh reaction conditions. As proper selection of support materials for immobilization and their performance is overlooked when it comes to comparing performance of immobilized enzyme in academic studies, this review summarizes the current state of knowledge regarding the materials used for enzyme immobilization of these oxidoreductase enzymes for environmental applications. In the presented study, thorough physicochemical characteristics of the support materials was presented. Moreover, various types of reactions and notably operational modes of enzymatic processes for biodegradation of harmful pollutants are summarized, and future trends in use of immobilized oxidoreductases for environmental applications are discussed. Our goal is to provide an improved foundation on which new technological advancements can be made to achieve efficient enzyme-assisted bioremediation.
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Golveia JCS, Santiago MF, Sales PTF, Sartoratto A, Ponezi AN, Thomaz DV, Gil EDS, F Bara MT. Cupuaçu (Theobroma grandiflorum) residue and its potential application in the bioremediation of 17-Α-ethinylestradiol as a Pycnoporus sanguineus laccase inducer. Prep Biochem Biotechnol 2018; 48:541-548. [PMID: 29939831 DOI: 10.1080/10826068.2018.1466161] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Bioremediation is a strategy to mitigate environmental impacts of hazardous pollutants from anthropogenic sources. Natural byproducts, including agroindustrial wastes (AW) can be used to induce enzyme biosynthesis, leading up to enhancement of pollutants degradation process. Therefore, this study aimed to evaluate the use of cupuaçu, Theobroma grandiflorum AW as Pycnoporus sanguineus Laccase (Lac) inducer in order to promote 17-α-ethinylestradiol (EE2) bioremediation. The macro and micro-nutrients levels of cupuaçu AWs were evaluated in order to establish further correlations with enzymatic biosynthesis induction. The fungus was cultivated for 7 days in temperature of 28 ± 2 °C and agitation of 150 rpm. For bioremediation, Lac enzymatic extract was added to EE2 solution (10 µg mL-1) and the percentage of removal was evaluated by HPLC after 1-24 hr of reaction. At optimized conditions, the enzyme extract production was remarkably enhanced by adding only 1% (w/v) of cupuaçu AW. Lac activity reached 1642 U mL-1 on the 6th day of culture, which was higher than positive control (511 U mL-1). 86% of EE2 removal was reached after 4 hr, and after 8 hr of reaction, 96.5% was removed. Analysis by direct infusion in MS-ESI-TOF exhibited intermediary compounds formed by radical hydroxilation.
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Affiliation(s)
- Jhéssica C S Golveia
- a Faculdade de Farmácia , Universidade Federal de Goiás , Goiânia , Goiás , Brazil
| | | | - Paulo T F Sales
- a Faculdade de Farmácia , Universidade Federal de Goiás , Goiânia , Goiás , Brazil
| | - Adilson Sartoratto
- b Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas , Universidade de Campinas , Campinas , São Paulo , Brazil
| | - Alexandre N Ponezi
- b Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas , Universidade de Campinas , Campinas , São Paulo , Brazil
| | - Douglas V Thomaz
- a Faculdade de Farmácia , Universidade Federal de Goiás , Goiânia , Goiás , Brazil
| | - Eric de Souza Gil
- a Faculdade de Farmácia , Universidade Federal de Goiás , Goiânia , Goiás , Brazil
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34
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Naghdi M, Taheran M, Brar SK, Kermanshahi-Pour A, Verma M, Surampalli RY. Removal of pharmaceutical compounds in water and wastewater using fungal oxidoreductase enzymes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 234:190-213. [PMID: 29175684 DOI: 10.1016/j.envpol.2017.11.060] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/13/2017] [Accepted: 11/16/2017] [Indexed: 05/26/2023]
Abstract
Due to recalcitrance of some pharmaceutically active compounds (PhACs), conventional wastewater treatment is not able to remove them effectively. Therefore, their occurrence in surface water and potential environmental impact has raised serious global concern. Biological transformation of these contaminants using white-rot fungi (WRF) and their oxidoreductase enzymes has been proposed as a low cost and environmentally friendly solution for water treatment. The removal performance of PhACs by a fungal culture is dependent on several factors, such as fungal species, the secreted enzymes, molecular structure of target compounds, culture medium composition, etc. In recent 20 years, numerous researchers tried to elucidate the removal mechanisms and the effects of important operational parameters such as temperature and pH on the enzymatic treatment of PhACs. This review summarizes and analyzes the studies performed on PhACs removal from spiked pure water and real wastewaters using oxidoreductase enzymes and the data related to degradation efficiencies of the most studied compounds. The review also offers an insight into enzymes immobilization, fungal reactors, mediators, degradation mechanisms and transformation products (TPs) of PhACs. In brief, higher hydrophobicity and having electron-donating groups, such as amine and hydroxyl in molecular structure leads to more effective degradation of PhACs by fungal cultures. For recalcitrant compounds, using redox mediators, such as syringaldehyde increases the degradation efficiency, however they may cause toxicity in the effluent and deactivate the enzyme. Immobilization of enzymes on supports can enhance the performance of enzyme in terms of reusability and stability. However, the immobilization strategy should be carefully selected to reduce the cost and enable regeneration. Still, further studies are needed to elucidate the mechanisms involved in enzymatic degradation and the toxicity levels of TPs and also to optimize the whole treatment strategy to have economical and technical competitiveness.
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Affiliation(s)
- Mitra Naghdi
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada
| | - Mehrdad Taheran
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada
| | - Satinder Kaur Brar
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada.
| | - Azadeh Kermanshahi-Pour
- Biorefining and Remediation Laboratory, Department of Process Engineering and Applied Science, Dalhousie University, 1360 Barrington Street, Halifax, B3J 1Z1, Nova Scotia, Canada
| | - Mausam Verma
- INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec G1K 9A9, Canada
| | - R Y Surampalli
- Global Institute for Energy, Environment and Sustainability, P.O. Box 14354, Lenexa, KS 66285, USA
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Hahn V, Meister M, Hussy S, Cordes A, Enderle G, Saningong A, Schauer F. Enhanced laccase-mediated transformation of diclofenac and flufenamic acid in the presence of bisphenol A and testing of an enzymatic membrane reactor. AMB Express 2018; 8:28. [PMID: 29478084 PMCID: PMC6890904 DOI: 10.1186/s13568-018-0546-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 01/27/2018] [Indexed: 01/11/2023] Open
Abstract
The inadequate removal of pharmaceuticals and other micropollutants in municipal wastewater treatment plants, as evidenced by their detection of these substances in the aquatic environment has led to the need for sustainable remediation strategies. Laccases possess a number of advantages including a broad substrate spectrum. To identify promoting or inhibitory effects of reaction partners in the remediation processes we tested not only single compounds-as has been described in most studies-but also mixtures of pollutants. The reaction of diclofenac (DCF) and flufenamic acid (FA), mediated by Trametes versicolor laccase resulted in the formation of products, which were more hydrophilic than the respective reactant (reactant concentration of 0.1 mM; laccase activity 0.5 U/ml). Analyses (HPLC, LC/MS) showed that the product 1a and 1b for DCF and FA, respectively, to be a para-benzoquinone imine derivative. The formation of 1a was enhanced by the addition of bisphenol A (BPA). After 6 days 97% more product was formed in the mixture of DCF and BPA compared with DCF tested alone. Product 1a was also detected in experiments with micropollutant-supplemented secondary effluent. Within 24 h 67% and 100% of DCF and BPA were transformed, respectively (25 U/ml). Experiments with a membrane reactor (volume 10 l; phosphate buffer, pH 7) were in good agreement with the results of the laboratory scale experiments (50 ml). EC50-values were also determined. The data support the use of laccases for the removal or detoxification of recalcitrant pollutants. Thus, the enzyme laccase may be a component of an additional environmentally friendly process for the treatment stage of wastewater remediation.
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Affiliation(s)
- Veronika Hahn
- Institute of Microbiology, Ernst-Moritz-Arndt-University Greifswald, Friedrich-Ludwig-Jahn-Str. 15, 17487 Greifswald, Germany
- Leibniz Institute for Plasma Science and Technology (INP Greifswald e.V.), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
| | - Mareike Meister
- Institute of Microbiology, Ernst-Moritz-Arndt-University Greifswald, Friedrich-Ludwig-Jahn-Str. 15, 17487 Greifswald, Germany
- Leibniz Institute for Plasma Science and Technology (INP Greifswald e.V.), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
| | - Stephan Hussy
- Atec Automatisierungstechnik GmbH, Emmi-Noether-Str. 6, 89231 Neu-Ulm, Germany
| | - Arno Cordes
- ASA Spezialenzyme GmbH, Am Exer 19 C, 38302 Wolfenbüttel, Germany
| | - Günther Enderle
- Atec Automatisierungstechnik GmbH, Emmi-Noether-Str. 6, 89231 Neu-Ulm, Germany
| | | | - Frieder Schauer
- Institute of Microbiology, Ernst-Moritz-Arndt-University Greifswald, Friedrich-Ludwig-Jahn-Str. 15, 17487 Greifswald, Germany
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Asif MB, Hai FI, Kang J, van de Merwe JP, Leusch FDL, Price WE, Nghiem LD. Biocatalytic degradation of pharmaceuticals, personal care products, industrial chemicals, steroid hormones and pesticides in a membrane distillation-enzymatic bioreactor. BIORESOURCE TECHNOLOGY 2018; 247:528-536. [PMID: 28972906 DOI: 10.1016/j.biortech.2017.09.129] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 09/17/2017] [Accepted: 09/18/2017] [Indexed: 06/07/2023]
Abstract
Laccase-catalyzed degradation of a broad spectrum of trace organic contaminants (TrOCs) by a membrane distillation (MD)-enzymatic membrane bioreactor (EMBR) was investigated. The MD component effectively retained TrOCs (94-99%) in the EMBR, facilitating their continuous biocatalytic degradation. Notably, the extent of TrOC degradation was strongly influenced by their molecular properties. A significant degradation (above 90%) of TrOCs containing strong electron donating functional groups (e.g., hydroxyl and amine groups) was achieved, while a moderate removal was observed for TrOCs containing electron withdrawing functional groups (e.g., amide and halogen groups). Separate addition of two redox-mediators, namely syringaldehyde and violuric acid, further improved TrOC degradation by laccase. However, a mixture of both showed a reduced performance for a few pharmaceuticals such as primidone, carbamazepine and ibuprofen. Mediator addition increased the toxicity of the media in the enzymatic bioreactor, but the membrane permeate (i.e., final effluent) was non-toxic, suggesting an added advantage of coupling MD with EMBR.
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Affiliation(s)
- Muhammad B Asif
- Strategic Water Infrastructure Lab, School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Faisal I Hai
- Strategic Water Infrastructure Lab, School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Jinguo Kang
- Strategic Water Infrastructure Lab, School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia; Strategic Water Infrastructure Lab, School of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Jason P van de Merwe
- Australian Rivers Institute and Griffith School of Environment, Griffith University, QLD 4222, Australia
| | - Frederic D L Leusch
- Australian Rivers Institute and Griffith School of Environment, Griffith University, QLD 4222, Australia
| | - William E Price
- Strategic Water Infrastructure Lab, School of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Long D Nghiem
- Strategic Water Infrastructure Lab, School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
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37
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Immobilization of laccase of Pycnoporus sanguineus CS43. N Biotechnol 2017; 39:141-149. [DOI: 10.1016/j.nbt.2016.12.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 12/02/2016] [Accepted: 12/17/2016] [Indexed: 11/20/2022]
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38
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Yang J, Li W, Ng TB, Deng X, Lin J, Ye X. Laccases: Production, Expression Regulation, and Applications in Pharmaceutical Biodegradation. Front Microbiol 2017; 8:832. [PMID: 28559880 PMCID: PMC5432550 DOI: 10.3389/fmicb.2017.00832] [Citation(s) in RCA: 141] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 04/24/2017] [Indexed: 01/08/2023] Open
Abstract
Laccases are a family of copper-containing oxidases with important applications in bioremediation and other various industrial and biotechnological areas. There have been over two dozen reviews on laccases since 2010 covering various aspects of this group of versatile enzymes, from their occurrence, biochemical properties, and expression to immobilization and applications. This review is not intended to be all-encompassing; instead, we highlighted some of the latest developments in basic and applied laccase research with an emphasis on laccase-mediated bioremediation of pharmaceuticals, especially antibiotics. Pharmaceuticals are a broad class of emerging organic contaminants that are recalcitrant and prevalent. The recent surge in the relevant literature justifies a short review on the topic. Since low laccase yields in natural and genetically modified hosts constitute a bottleneck to industrial-scale applications, we also accentuated a genus of laccase-producing white-rot fungi, Cerrena, and included a discussion with regards to regulation of laccase expression.
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Affiliation(s)
- Jie Yang
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Wenjuan Li
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Tzi Bun Ng
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong KongShatin, Hong Kong
| | - Xiangzhen Deng
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Juan Lin
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Xiuyun Ye
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
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Becker D, Rodriguez-Mozaz S, Insa S, Schoevaart R, Barceló D, de Cazes M, Belleville MP, Sanchez-Marcano J, Misovic A, Oehlmann J, Wagner M. Removal of Endocrine Disrupting Chemicals in Wastewater by Enzymatic Treatment with Fungal Laccases. Org Process Res Dev 2017. [DOI: 10.1021/acs.oprd.6b00361] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dennis Becker
- Biological
Sciences Division, Aquatic Ecotoxicology, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438 Frankfurt, Germany
| | - Sara Rodriguez-Mozaz
- Catalan
Institute for Water Research (ICRA), ParcCientíficiTecnològic de la Universitat de Girona, Emili Grahit 101, 17003 Girona, Spain
| | - Sara Insa
- Catalan
Institute for Water Research (ICRA), ParcCientíficiTecnològic de la Universitat de Girona, Emili Grahit 101, 17003 Girona, Spain
| | - Rob Schoevaart
- Chiralvision BV, J. H. Oortweg 21, 2333CH Leiden, Netherlands
| | - Damià Barceló
- Catalan
Institute for Water Research (ICRA), ParcCientíficiTecnològic de la Universitat de Girona, Emili Grahit 101, 17003 Girona, Spain
- Water
and Soil Quality Research Group, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/Jordi Girona 18-26, 08911 Barcelona, Spain
| | - Matthias de Cazes
- Institut
Européen des Membranes, ENSCM, UM2, CNRS−Université de Montpellier, CC 047, Place Eugène Bataillon, 34095 Montpellier, France
| | - Marie-Pierre Belleville
- Institut
Européen des Membranes, ENSCM, UM2, CNRS−Université de Montpellier, CC 047, Place Eugène Bataillon, 34095 Montpellier, France
| | - José Sanchez-Marcano
- Institut
Européen des Membranes, ENSCM, UM2, CNRS−Université de Montpellier, CC 047, Place Eugène Bataillon, 34095 Montpellier, France
| | - Andrea Misovic
- Biological
Sciences Division, Aquatic Ecotoxicology, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438 Frankfurt, Germany
| | - Jörg Oehlmann
- Biological
Sciences Division, Aquatic Ecotoxicology, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438 Frankfurt, Germany
| | - Martin Wagner
- Biological
Sciences Division, Aquatic Ecotoxicology, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438 Frankfurt, Germany
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Ba S, Vinoth Kumar V. Recent developments in the use of tyrosinase and laccase in environmental applications. Crit Rev Biotechnol 2017; 37:819-832. [DOI: 10.1080/07388551.2016.1261081] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Sidy Ba
- Department of Civil & Environmental Engineering, A’Sharqiyah University, Ibra, Sultanate of Oman
- Department of Chemical Engineering and Biotechnological Engineering, Université de Sherbrooke, Sherbrooke, Québec, Canada
| | - Vaidyanathan Vinoth Kumar
- Department of Biotechnology, Bioprocess Engineering Laboratory, SRM University, Kattankulathur, Chennai, India
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Blavier J, Songulashvili G, Simon C, Penninckx M, Flahaut S, Scippo ML, Debaste F. Assessment of methods of detection of water estrogenicity for their use as monitoring tools in a process of estrogenicity removal. ENVIRONMENTAL TECHNOLOGY 2016; 37:3104-19. [PMID: 27144327 DOI: 10.1080/09593330.2016.1177119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Methods of monitoring of estrogenicity in water were gathered, compared, and tested within the context of their practical use as measurement and design tools, in the development of a process of degradation of estrogenic endocrine disruptors. In this work, the focus was put on in vitro assays, with the use of analytical techniques as additional analysis when possible. Practically, from a literature review, four methods that seemed most suitable to practical use required in a process development were tested: the Yeast Estrogen Screen assay, the Lyticase-assisted Yeast Estrogen Screen assay (LYES), the MMV-LUC assay and the HPLC-UV analytical method. Dose-response curves in response to estrogenic standard 17β-estradiol were compared. Bisphenol A estrogenicity was measured by the methods as well. The model for the calculation of estradiol equivalents as measurements units was adapted. The methods were assessed in terms of ranges of detection, time of experiment, cost, ease of the experiment, reproducibility, etc. Based on that assessment, the LYES assay was selected and successfully applied to the monitoring of estrogenicity removal from 17β-estradiol and bisphenol A. More precisely, the bioassay allowed the acquisition of kinetic curves for a laboratory-scaled process of estrogenicity removal by immobilized enzymes in a continuous packed-bed reactor. The LYES assay was found to have a real methodological potential for scale-up and design of a treatment process. The HPLC-UV method showed good complementarity with the LYES assay for the monitoring of bisphenol A concentrations in parallel with estrogenicity, reporting no significant estrogenicity from degradation byproducts, among others.
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Affiliation(s)
- J Blavier
- a Department Transfers, Interfaces & Processes , Université Libre de Bruxelles , Bruxelles , Belgium
| | - G Songulashvili
- b Department of Applied Microbiology , Université Libre de Bruxelles c/o Institut de Recherches Microbiologiques Jean-Marie Wiame , Bruxelles , Belgium
| | - C Simon
- c Department of Food Sciences, Laboratory of Food Analysis , FARAH - Veterinary Public Health, Université de Liège , Liege , Belgium
| | - M Penninckx
- a Department Transfers, Interfaces & Processes , Université Libre de Bruxelles , Bruxelles , Belgium
| | - S Flahaut
- b Department of Applied Microbiology , Université Libre de Bruxelles c/o Institut de Recherches Microbiologiques Jean-Marie Wiame , Bruxelles , Belgium
| | - M L Scippo
- c Department of Food Sciences, Laboratory of Food Analysis , FARAH - Veterinary Public Health, Université de Liège , Liege , Belgium
| | - F Debaste
- a Department Transfers, Interfaces & Processes , Université Libre de Bruxelles , Bruxelles , Belgium
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42
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Labrou NE, Muharram MM. Biochemical characterization and immobilization of Erwinia carotovora l -asparaginase in a microplate for high-throughput biosensing of l -asparagine. Enzyme Microb Technol 2016; 92:86-93. [DOI: 10.1016/j.enzmictec.2016.06.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 06/20/2016] [Accepted: 06/20/2016] [Indexed: 10/21/2022]
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Spina F, Junghanns C, Donelli I, Nair R, Demarche P, Romagnolo A, Freddi G, Agathos SN, Varese GC. Stimulation of laccases from Trametes pubescens: Use in dye decolorization and cotton bleaching. Prep Biochem Biotechnol 2016; 46:639-47. [DOI: 10.1080/10826068.2015.1128445] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Federica Spina
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy
| | - Charles Junghanns
- Earth and Life Institute, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Ilaria Donelli
- Divisione Stazione Sperimentale per la Seta, Innovhub-SSI, Milano, Italy
| | - Rakesh Nair
- Earth and Life Institute, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Philippe Demarche
- Earth and Life Institute, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Alice Romagnolo
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy
| | - Giuliano Freddi
- Divisione Stazione Sperimentale per la Seta, Innovhub-SSI, Milano, Italy
| | - Spiros N. Agathos
- Earth and Life Institute, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
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Polyamide 6/chitosan nanofibers as support for the immobilization of Trametes versicolor laccase for the elimination of endocrine disrupting chemicals. Enzyme Microb Technol 2016; 89:31-8. [DOI: 10.1016/j.enzmictec.2016.03.001] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 03/01/2016] [Accepted: 03/03/2016] [Indexed: 01/01/2023]
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45
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Gasser CA, Ammann EM, Schäffer A, Shahgaldian P, Corvini PFX. Production of superparamagnetic nanobiocatalysts for green chemistry applications. Appl Microbiol Biotechnol 2016; 100:7281-96. [DOI: 10.1007/s00253-016-7479-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 03/03/2016] [Accepted: 03/17/2016] [Indexed: 12/31/2022]
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Laccase-Functionalized Graphene Oxide Assemblies as Efficient Nanobiocatalysts for Oxidation Reactions. SENSORS 2016; 16:287. [PMID: 26927109 PMCID: PMC4813862 DOI: 10.3390/s16030287] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 02/08/2016] [Accepted: 02/16/2016] [Indexed: 01/29/2023]
Abstract
Multi-layer graphene oxide-enzyme nanoassemblies were prepared through the multi-point covalent immobilization of laccase from Trametes versicolor (TvL) on functionalized graphene oxide (fGO). The catalytic properties of the fGO-TvL nanoassemblies were found to depend on the number of the graphene oxide-enzyme layers present in the nanostructure. The fGO-TvL nanoassemblies exhibit an enhanced thermal stability at 60 °C, as demonstrated by a 4.7-fold higher activity as compared to the free enzyme. The multi-layer graphene oxide-enzyme nanoassemblies can efficiently catalyze the oxidation of anthracene, as well as the decolorization of an industrial dye, pinacyanol chloride. These materials retained almost completely their decolorization activity after five reaction cycles, proving their potential as efficient nano- biocatalysts for various applications.
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47
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Arca-Ramos A, Ammann EM, Gasser CA, Nastold P, Eibes G, Feijoo G, Lema JM, Moreira MT, Corvini PFX. Assessing the use of nanoimmobilized laccases to remove micropollutants from wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:3217-3228. [PMID: 26490891 DOI: 10.1007/s11356-015-5564-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 10/06/2015] [Indexed: 06/05/2023]
Abstract
Enzymes immobilization is a useful way to allow enzyme reuse and increase their stability. A high redox potential laccase from Trametes versicolor (TvL) and a low redox potential, but commercially available low-cost laccase from Myceliophthora thermophila (MtL), were successfully immobilized and co-immobilized onto fumed silica nanoparticles (fsNP). Enzyme loads of 1.78 ± 0.07, 0.69 ± 0.03, and 1.10 ± 0.01 U/mg fsNP were attained for the optimal doses of TvL, MtL, and co-immobilized laccases, respectively. In general, the laccase-fsNP conjugates showed a higher resistance against an acidic pH value (i.e., pH 3), and a higher storage stability than free enzymes. In addition, immobilized enzymes exhibited a superior long-term stability than free laccases when incubated in a secondary effluent from a municipal wastewater treatment plant (WWTP). For instance, the residual activity after 2 weeks for the co-immobilized laccases and the mixture of free laccases were 40.2 ± 2.5% and 16.8 ± 1.0%, respectively. The ability of the laccase-fsNP to remove a mixture of (14)C-bisphenol A (BPA) and (14)C-sodium diclofenac (DCF) from spiked secondary effluents was assessed in batch experiments. The catalytic efficiency was highly dependent on both the microbial source and state of the biocatalyst. The high redox potential TvL in free form attained a four-fold higher percentage of BPA transformation than the free MtL. Compared to free laccases, immobilized enzymes led to much slower rates of BPA transformation. For instance, after 24 h, the percentages of BPA transformation by 1000 U/L of a mixture of free laccases or co-immobilized enzymes were 67.8 ± 5.2 and 27.0 ± 3.9%, respectively. Nevertheless, the use of 8000 U/L of co-immobilized laccase led to a nearly complete removal of BPA, despite the unfavorable conditions for laccase catalysis (pH ~ 8.4). DCF transformation was not observed for any of the enzymatic systems, showing that this compound is highly recalcitrant toward laccase oxidation under realistic conditions.
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Affiliation(s)
- A Arca-Ramos
- Department of Chemical Engineering, Institute of Technology, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain.
| | - E M Ammann
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Gründenstrasse 40, Muttenz, 4132, Switzerland
| | - C A Gasser
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Gründenstrasse 40, Muttenz, 4132, Switzerland
| | - P Nastold
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Gründenstrasse 40, Muttenz, 4132, Switzerland
| | - G Eibes
- Department of Chemical Engineering, Institute of Technology, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - G Feijoo
- Department of Chemical Engineering, Institute of Technology, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - J M Lema
- Department of Chemical Engineering, Institute of Technology, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - M T Moreira
- Department of Chemical Engineering, Institute of Technology, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - P F-X Corvini
- Institute for Ecopreneurship, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Gründenstrasse 40, Muttenz, 4132, Switzerland
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University Xianlin Campus, Xianlin Avenue 163, Nanjing, 210023, China
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48
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Kumar VV, Cabana H. Towards high potential magnetic biocatalysts for on-demand elimination of pharmaceuticals. BIORESOURCE TECHNOLOGY 2016; 200:81-89. [PMID: 26476168 DOI: 10.1016/j.biortech.2015.09.100] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/20/2015] [Accepted: 09/21/2015] [Indexed: 06/05/2023]
Abstract
The present study investigated the applicability of a laccase based bioprocess for the treatment of a mixture containing 13 selected pharmaceuticals. To do so, laccase was immobilized as cross-linked enzyme aggregates (MAC-CLEAs) on amine functionalized magnetic nanoparticles using chitosan/1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (EDAC) as the cross-linking system. The activity recovery of laccase reached 61.4% under the optimal conditions of MAC-CLEAs formation. The latter exhibited enhanced storage stability over one year at 4°C and showed better temperature resistance compared to its soluble counterpart. The biocatalysts were properly recycled and the catalytic activity recovery was good even after a hundred and fifty batch reactions. Complete removal of pharmaceuticals like acetaminophen, diclofenac, mefenamic acid, atenolol and epoxy carbamazepine and partial removal of fenofibrate, diazepam, trimethoprim, and ketoprofen by laccase was achieved within 12h of incubation, whereas efficient removal of indometacin required the presence of mediator.
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Affiliation(s)
- Vaidyanathan Vinoth Kumar
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Chennai 603203, India; Department of Civil Engineering, Université de Sherbrooke, 2500 Boulevard de l'Université, Sherbrooke, Québec J1K 2R1, Canada
| | - Hubert Cabana
- Department of Civil Engineering, Université de Sherbrooke, 2500 Boulevard de l'Université, Sherbrooke, Québec J1K 2R1, Canada; Etienne-Le Bel Centre de Recherche Clinique, Centre Hospitalier Universitaire de Sherbrooke, 3001, 12(e) Avenue Nord, Sherbrooke, Québec J1K 2R1, Canada.
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49
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Ardao I, Magnin D, Agathos SN. Bioinspired production of magnetic laccase-biotitania particles for the removal of endocrine disrupting chemicals. Biotechnol Bioeng 2015; 112:1986-96. [PMID: 26058804 DOI: 10.1002/bit.25612] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 03/30/2015] [Indexed: 01/25/2023]
Abstract
Microbial laccases are powerful enzymes capable of degrading lignin and other recalcitrant compounds including endocrine disrupting chemicals (EDCs). Efficient EDC removal on an industrial scale requires robust, stable, easy to handle and cost-effective immobilized biocatalysts. In this direction, magnetic biocatalysts are attractive due to their easy separation through an external magnetic field. Recently, a bioinspired immobilization technique that mimics the natural biomineralization reactions in diatoms has emerged as a fast and versatile tool for generating robust, cheap, and highly stable (nano) biocatalysts. In this work, bioinspired formation of a biotitania matrix is triggered on the surface of magnetic particles in the presence of laccase in order to produce laccase-biotitania (lac-bioTiO2 ) biocatalysts suitable for environmental applications using a novel, fast and versatile enzyme entrapment technique. Highly active lac-bioTiO2 particles have been produced and the effect of different parameters (enzyme loading, titania precursor concentration, pH, duration of the biotitania formation, and laccase adsorption steps) on the apparent activity yield of these biocatalysts were evaluated, the concentration of the titania precursor being the most influential. The lac-bioTiO2 particles were able to catalyze the removal of bisphenol A, 17α-ethinylestradiol and diclofenac in a mixture of six model EDCs and retained 90% of activity after five reaction cycles and 60% after 10 cycles.
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Affiliation(s)
- Inés Ardao
- Earth & Life Institute-Laboratory of Bioengineering, Université Catholique de Louvain, Place Croix du Sud 2-L7.05.19, 1348, Louvain-la-Neuve, Belgium.
| | - Delphine Magnin
- Institute of Condensed Matter and Nanosciences-Bio and soft matter group, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Spiros N Agathos
- Earth & Life Institute-Laboratory of Bioengineering, Université Catholique de Louvain, Place Croix du Sud 2-L7.05.19, 1348, Louvain-la-Neuve, Belgium
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50
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Taboada-Puig R, Lu-Chau TA, Eibes G, Feijoo G, Moreira MT, Lema JM. Continuous removal of endocrine disruptors by versatile peroxidase using a two-stage system. Biotechnol Prog 2015; 31:908-16. [DOI: 10.1002/btpr.2116] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 03/15/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Roberto Taboada-Puig
- Dept. Chemical Engineering, Inst. of Technology; University of Santiago de Compostela; 15782 Spain
| | - Thelmo A. Lu-Chau
- Dept. Chemical Engineering, Inst. of Technology; University of Santiago de Compostela; 15782 Spain
| | - Gemma Eibes
- Dept. Chemical Engineering, Inst. of Technology; University of Santiago de Compostela; 15782 Spain
| | - Gumersindo Feijoo
- Dept. Chemical Engineering, Inst. of Technology; University of Santiago de Compostela; 15782 Spain
| | - Maria T. Moreira
- Dept. Chemical Engineering, Inst. of Technology; University of Santiago de Compostela; 15782 Spain
| | - Juan M. Lema
- Dept. Chemical Engineering, Inst. of Technology; University of Santiago de Compostela; 15782 Spain
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