1
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Lima PJM, Rios NS, Vilarrasa-García E, Cecilia JA, Rodríguez-Castellón E, Gonçalves LRB. Preparation of a heterogeneous biocatalyst through Thermomyces lanuginosus lipase immobilization on pore-expanded SBA-15. Int J Biol Macromol 2024; 274:133359. [PMID: 38914393 DOI: 10.1016/j.ijbiomac.2024.133359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 06/18/2024] [Accepted: 06/20/2024] [Indexed: 06/26/2024]
Abstract
Heterogeneous biocatalysts were prepared by adsorbing T. lanuginosus lipase (TLL) onto uncalcined (SBAUC-TLL) and calcined (SBAC-TLL) SBA-15, using ammonium fluoride as a pore expander to facilitate TLL immobilization. At an enzyme load of 1 mg/g, high immobilization yields (>90 %) and recovered activities (>80 % for SBAUC-TLL and 70 % for SBAC-TLL) were achieved. When increasing the enzyme load to 5 mg/g, the immobilization yield of SBAUC-TLL was 80 %, and the recovered activity was 50 %, while SBAC-TLL had a yield of 100 % and a recovered activity of 36 %. Crosslinking with glutaraldehyde (GA) was conducted to improve stability (SBAUC-TLL-GA and SBAC-TLL-GA). Although SBAC-TLL-GA lost 25 % of initial activity after GA modifications, it exhibited the highest thermal (t1/2 = 5.7 h at 65 °C), when compared to SBAC-TLL (t1/2 = 12 min) and the soluble enzyme (t1/2 = 36 min), and operational stability (retained 100 % activity after 5 cycles). Both biocatalysts presented high storage stability since they retained 100 % of initial activity for 30 days. These results highlight SBA-15's potential as an enzyme support and the protocol's efficacy in enhancing stability, with implications for industrial applications in the food, chemical, and pharmaceutical sectors.
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Affiliation(s)
- Paula Jéssyca Morais Lima
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, Ceará, Brazil
| | - Nathália Saraiva Rios
- Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Enrique Vilarrasa-García
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, Ceará, Brazil
| | - Juan Antonio Cecilia
- Departamento de Química Inorgánica, Cristalografía y Mineralogía, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
| | - Enrique Rodríguez-Castellón
- Departamento de Química Inorgánica, Cristalografía y Mineralogía, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
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2
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Yang Y, Guo M, Guo S, Tian J, Gu D. Artificial antibody-antigen-directed immobilization of lipase for consecutive catalytic synthesis of ester: Benzyl acetate case study. BIORESOURCE TECHNOLOGY 2024; 403:130894. [PMID: 38795924 DOI: 10.1016/j.biortech.2024.130894] [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: 04/01/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 05/28/2024]
Abstract
A strategy based on artificial antibody-antigen recognition was proposed for the specific directed immobilization of lipase. The artificial antibody was synthesized using catechol as a template, α-methacrylic acid as a functional monomer, and Fe3O4 as the matrix material. Lipase was modified with 3,4-dihydroxybenzaldehyde as an artificial antigen. The artificial antibody can specifically recognize catechol fragment in the enzyme structure to achieve the immobilization of lipase. The immobilization amount, yield, specific activity, and immobilized enzyme activity were 13.2 ± 0.2 mg/g, 78.9 ± 0.4 %, 7.9 ± 0.2 U/mgprotein, and 104.6 ± 1.7 U/gcarrier, respectively. Moreover, the immobilized lipase exhibited strong reusability and regeneration ability. Additionally, the immobilized lipase successfully catalyzed the synthesis of benzyl acetate and demonstrated robust continuous catalytic activity. These results fully demonstrate the feasibility of the proposed artificial antibody-antigen-directed immobilization of lipase.
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Affiliation(s)
- Yi Yang
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Meishan Guo
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Shuang Guo
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Jing Tian
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Dongyu Gu
- College of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China.
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3
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Gama Cavalcante AL, Dari DN, Izaias da Silva Aires F, Carlos de Castro E, Moreira Dos Santos K, Sousa Dos Santos JC. Advancements in enzyme immobilization on magnetic nanomaterials: toward sustainable industrial applications. RSC Adv 2024; 14:17946-17988. [PMID: 38841394 PMCID: PMC11151160 DOI: 10.1039/d4ra02939a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Accepted: 05/27/2024] [Indexed: 06/07/2024] Open
Abstract
Enzymes are widely used in biofuels, food, and pharmaceuticals. The immobilization of enzymes on solid supports, particularly magnetic nanomaterials, enhances their stability and catalytic activity. Magnetic nanomaterials are chosen for their versatility, large surface area, and superparamagnetic properties, which allow for easy separation and reuse in industrial processes. Researchers focus on the synthesis of appropriate nanomaterials tailored for specific purposes. Immobilization protocols are predefined and adapted to both enzymes and support requirements for optimal efficiency. This review provides a detailed exploration of the application of magnetic nanomaterials in enzyme immobilization protocols. It covers methods, challenges, advantages, and future perspectives, starting with general aspects of magnetic nanomaterials, their synthesis, and applications as matrices for solid enzyme stabilization. The discussion then delves into existing enzymatic immobilization methods on magnetic nanomaterials, highlighting advantages, challenges, and potential applications. Further sections explore the industrial use of various enzymes immobilized on these materials, the development of enzyme-based bioreactors, and prospects for these biocatalysts. In summary, this review provides a concise comparison of the use of magnetic nanomaterials for enzyme stabilization, highlighting potential industrial applications and contributing to manufacturing optimization.
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Affiliation(s)
- Antônio Luthierre Gama Cavalcante
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará Campus Pici Fortaleza CEP 60455760 CE Brazil
| | - Dayana Nascimento Dari
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira Campus das Auroras Redenção CEP 62790970 CE Brazil
| | - Francisco Izaias da Silva Aires
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira Campus das Auroras Redenção CEP 62790970 CE Brazil
| | - Erico Carlos de Castro
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará Campus Pici Fortaleza CEP 60455760 CE Brazil
| | - Kaiany Moreira Dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira Campus das Auroras Redenção CEP 62790970 CE Brazil
| | - José Cleiton Sousa Dos Santos
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará Campus Pici Fortaleza CEP 60455760 CE Brazil
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira Campus das Auroras Redenção CEP 62790970 CE Brazil
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará Campus do Pici, Bloco 940 Fortaleza CEP 60455760 CE Brazil
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Monteiro RRC, de Melo Neta MMF, Rocha WS, Soares JB, de Luna FMT, Fernandez-Lafuente R, Vieira RS. Optimizing the enzymatic production of biolubricants by the Taguchi method: Esterification of the free fatty acids from castor oil with 2-ethyl-1-hexanol catalyzed by Eversa Transform 2.0. Enzyme Microb Technol 2024; 175:110409. [PMID: 38335559 DOI: 10.1016/j.enzmictec.2024.110409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/26/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024]
Abstract
The solvent-free esterification of the free fatty acids (FFAs) obtained by the hydrolysis of castor oil (a non-edible vegetable oil) with 2-ethyl-1-hexanol (a branched fatty alcohol) was catalyzed by different free lipases. Eversa Transform 2.0 (ETL) features surpassed most commercial lipases. Some process parameters were optimized by the Taguchi method (L16'). As a result, a conversion over 95% of the FFAs of castor oil into esters with lubricants properties was achieved under optimized reaction conditions (15 wt% of biocatalyst content, 1:4 molar ratio (FFAs/alcohol), 30 °C, 180 rpm, 96 h). The substrates molar ratio had the highest influence on the dependent variable (conversion at 24 h). FFAs/2-ethyl-1-hexanol esters were characterized regarding the physicochemical and tribological properties. Interestingly, the modification of the FFAs with 2-ethyl-1-hexanol by ETL increased the oxidative stability of the FFAs feedstock from 0.18 h to 16.83 h. The biolubricants presented a lower friction coefficient than the reference commercial mineral lubricant (0.052 ± 0.07 against 0.078 ± 0.04). Under these conditions, ETL catalyzed the oligomerization of ricinoleic acid (a hydroxyl fatty acid) into estolides, reaching a conversion of 25.15% of the initial FFAs (for the first time).
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Affiliation(s)
- Rodolpho R C Monteiro
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil
| | - Maria M F de Melo Neta
- Departamento de Engenharia Mecânica, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil
| | - Wesley S Rocha
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil
| | - Jorge B Soares
- Departamento de Engenharia de Transportes, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil
| | - F Murilo T de Luna
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil; Departamento de Engenharia Mecânica, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil
| | | | - Rodrigo S Vieira
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, 60455760 Fortaleza, Brazil.
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Melo RLF, Freire TM, Valério RBR, Neto FS, de Castro Bizerra V, Fernandes BCC, de Sousa Junior PG, da Fonseca AM, Soares JM, Fechine PBA, Dos Santos JCS. Enhancing biocatalyst performance through immobilization of lipase (Eversa® Transform 2.0) on hybrid amine-epoxy core-shell magnetic nanoparticles. Int J Biol Macromol 2024; 264:130730. [PMID: 38462111 DOI: 10.1016/j.ijbiomac.2024.130730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/12/2024]
Abstract
Magnetic nanoparticles were functionalized with polyethylenimine (PEI) and activated with epoxy. This support was used to immobilize Lipase (Eversa® Transform 2.0) (EVS), optimization using the Taguchi method. XRF, SEM, TEM, XRD, FTIR, TGA, and VSM performed the characterizations. The optimal conditions were immobilization yield (I.Y.) of 95.04 ± 0.79 %, time of 15 h, ionic load of 95 mM, protein load of 5 mg/g, and temperature of 25 °C. The maximum loading capacity was 25 mg/g, and its stability in 60 days of storage showed a negligible loss of only 9.53 % of its activity. The biocatalyst demonstrated better stability at varying temperatures than free EVS, maintaining 28 % of its activity at 70 °C. It was feasible to esterify free fatty acids (FFA) from babassu oil with the best reaction of 97.91 % and ten cycles having an efficiency above 50 %. The esterification of produced biolubricant was confirmed by NMR, and it displayed kinematic viscosity and density of 6.052 mm2/s and 0.832 g/cm3, respectively, at 40 °C. The in-silico study showed a binding affinity of -5.8 kcal/mol between EVS and oleic acid, suggesting a stable substrate-lipase combination suitable for esterification.
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Affiliation(s)
- Rafael Leandro Fernandes Melo
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal do Ceará, Campus do Pici, Fortaleza, CE CEP 60440-554, Brazil; Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, CE CEP 60451-970, Brazil
| | - Tiago Melo Freire
- Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, CE CEP 60451-970, Brazil
| | - Roberta Bussons Rodrigues Valério
- Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, CE CEP 60451-970, Brazil
| | - Francisco Simão Neto
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, CE CEP 60455-760, Brazil
| | - Viviane de Castro Bizerra
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção, CE CEP 62790-970, Brazil
| | - Bruno Caio Chaves Fernandes
- Departamento de Agronomia e Ciência Vegetais, Universidade Federal Rural do Semi-Árido, Campus Mossoró, Mossoró, RN CEP 59625-900, Brazil
| | - Paulo Gonçalves de Sousa Junior
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará, Campus Pici, Fortaleza, CE CEP 60455760, Brazil
| | - Aluísio Marques da Fonseca
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção, CE CEP 62790-970, Brazil
| | - João Maria Soares
- Departamento de Física, Universidade do Estado do Rio Grande do Norte, Campus Mossoró, Mossoró, RN CEP 59610-090, Brazil
| | - Pierre Basílio Almeida Fechine
- Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza, CE CEP 60451-970, Brazil
| | - José Cleiton Sousa Dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção, CE CEP 62790-970, Brazil.
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6
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Scheibel DM, Gitsov IPI, Gitsov I. Enzymes in "Green" Synthetic Chemistry: Laccase and Lipase. Molecules 2024; 29:989. [PMID: 38474502 DOI: 10.3390/molecules29050989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Enzymes play an important role in numerous natural processes and are increasingly being utilized as environmentally friendly substitutes and alternatives to many common catalysts. Their essential advantages are high catalytic efficiency, substrate specificity, minimal formation of byproducts, and low energy demand. All of these benefits make enzymes highly desirable targets of academic research and industrial development. This review has the modest aim of briefly overviewing the classification, mechanism of action, basic kinetics and reaction condition effects that are common across all six enzyme classes. Special attention is devoted to immobilization strategies as the main tools to improve the resistance to environmental stress factors (temperature, pH and solvents) and prolong the catalytic lifecycle of these biocatalysts. The advantages and drawbacks of methods such as macromolecular crosslinking, solid scaffold carriers, entrapment, and surface modification (covalent and physical) are discussed and illustrated using numerous examples. Among the hundreds and possibly thousands of known and recently discovered enzymes, hydrolases and oxidoreductases are distinguished by their relative availability, stability, and wide use in synthetic applications, which include pharmaceutics, food and beverage treatments, environmental clean-up, and polymerizations. Two representatives of those groups-laccase (an oxidoreductase) and lipase (a hydrolase)-are discussed at length, including their structure, catalytic mechanism, and diverse usage. Objective representation of the current status and emerging trends are provided in the main conclusions.
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Affiliation(s)
- Dieter M Scheibel
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 13210, USA
| | - Ioan Pavel Ivanov Gitsov
- Science and Technology, Medtronic Incorporated, 710 Medtronic Parkway, Minneapolis, MN 55432, USA
| | - Ivan Gitsov
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 13210, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY 13210, USA
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, USA
- BioInspired Institute, Syracuse, NY 13210, USA
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7
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Melo RLF, Sales MB, de Castro Bizerra V, de Sousa Junior PG, Cavalcante ALG, Freire TM, Neto FS, Bilal M, Jesionowski T, Soares JM, Fechine PBA, Dos Santos JCS. Recent applications and future prospects of magnetic biocatalysts. Int J Biol Macromol 2023; 253:126709. [PMID: 37696372 DOI: 10.1016/j.ijbiomac.2023.126709] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/25/2023] [Accepted: 09/03/2023] [Indexed: 09/13/2023]
Abstract
Magnetic biocatalysts combine magnetic properties with the catalytic activity of enzymes, achieving easy recovery and reuse in biotechnological processes. Lipases immobilized by magnetic nanoparticles dominate. This review covers an advanced bibliometric analysis and an overview of the area, elucidating research advances. Using WoS, 34,949 publications were analyzed and refined to 450. The prominent journals, countries, institutions, and authors that published the most were identified. The most cited articles showed research hotspots. The analysis of the themes and keywords identified five clusters and showed that the main field of research is associated with obtaining biofuels derived from different types of sustainable vegetable oils. The overview of magnetic biocatalysts showed that these materials are also employed in biosensors, photothermal therapy, environmental remediation, and medical applications. The industry shows a significant interest, with the number of patents increasing. Future studies should focus on immobilizing new lipases in unique materials with magnetic profiles, aiming to improve the efficiency for various biotechnological applications.
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Affiliation(s)
- Rafael Leandro Fernandes Melo
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal do Ceará, Campus do Pici, Bloco 729, Fortaleza CEP 60440-554, CE, Brazil; Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza CEP 60451-970, CE, Brazil
| | - Misael Bessa Sales
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790-970, CE, Brazil
| | - Viviane de Castro Bizerra
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790-970, CE, Brazil
| | - Paulo Gonçalves de Sousa Junior
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará, Campus Pici, Fortaleza CEP 60455-760, CE, Brazil
| | - Antônio Luthierre Gama Cavalcante
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus Pici, Fortaleza CEP 60455-760, CE, Brazil
| | - Tiago Melo Freire
- Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza CEP 60451-970, CE, Brazil; Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus Pici, Fortaleza CEP 60455-760, CE, Brazil
| | - Francisco Simão Neto
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza CEP 60455-760, CE, Brazil
| | - Muhammad Bilal
- Department of Sanitary Engineering, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, G. Narutowicza 11/12 Str., 80-233 Gdansk, Poland
| | - Teofil Jesionowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - João Maria Soares
- Departamento de Física, Universidade do Estado do Rio Grande do Norte, Campus Mossoró, Mossoró CEP 59610-090, RN, Brazil
| | - Pierre Basílio Almeida Fechine
- Grupo de Química de Materiais Avançados (GQMat), Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Fortaleza CEP 60451-970, CE, Brazil; Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus Pici, Fortaleza CEP 60455-760, CE, Brazil
| | - José Cleiton Sousa Dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790-970, CE, Brazil; Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza CEP 60455-760, CE, Brazil.
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Morales AH, Hero JS, Ledesma AE, Perez HA, Navarro MC, Gómez MI, Romero CM. Interfacial Hyperactivation of Candida rugosa Lipase onto Ca 2Fe 2O 5 Nanoparticles: pH and Ionic Strength Fine-Tuning to Modulate Protein-Support Interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:12004-12019. [PMID: 37585874 DOI: 10.1021/acs.langmuir.3c01040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
The current study provides a comprehensive look of the adsorption process of Candida rugosa lipase (CRL) on Ca2Fe2O5 iron oxide nanoparticles (NPs). Protein-support interactions were identified across a broad range of pH and ionic strengths (mM) through a response surface methodology, surface charge determination, and spectroscopic and in silico analyses. The maximum quantity of immobilized protein was achieved at an ionic strength of 50 mM and pH 4. However, this condition did not allow for the greatest hydrolytic activity to be obtained. Indeed, it was recorded at acidic pH, but at 150 mM, where evaluation of the recovered activity revealed hyperactivation of the enzyme. These findings were supported by adsorption isotherms performed under different conditions. Based on zeta potential measurements, electrostatic interactions contributed differently to protein-support binding under the conditions tested, showing a strong correlation with experimentally determined immobilization parameters. Raman spectra revealed an increase in hydrophobicity around tryptophan residues, whereas the enzyme immobilization significantly reduced the phenylalanine signal in CRL. This suggests that this residue was involved in the interaction with Ca2Fe2O2 and molecular docking analysis confirmed these findings. Fluorescence spectroscopy showed distinct behaviors in the CRL emission patterns with the addition of Ca2Fe2O5 at pH 4 and 7. The calculated thermodynamic parameters indicated that the contact would be mediated by hydrophobic interactions at both pHs, as well as by ionic ones at pH 4. In this approach, this work adds to our understanding of the design of biocatalysts immobilized in iron oxide NPs.
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Affiliation(s)
- Andrés H Morales
- Planta Piloto de Procesos Industriales Microbiológicos PROIMI-CONICET, Av. Belgrano y Pasaje Caseros, Tucumán T4001 MVB, Argentina
| | - Johan S Hero
- Planta Piloto de Procesos Industriales Microbiológicos PROIMI-CONICET, Av. Belgrano y Pasaje Caseros, Tucumán T4001 MVB, Argentina
| | - Ana E Ledesma
- Centro de Investigación en Biofísica Aplicada y Alimentos (CIBAAL-UNSE-CONICET), Departamento Académico de Química, Facultad de Ciuencias Exactas y Tecnológicas, Universidad Nacional de Santiago del Estero, Av. Belgrano Sur 1912, Santiago del Estero 4200, Argentina
| | - Hugo A Perez
- Centro de Investigación en Biofísica Aplicada y Alimentos (CIBAAL-UNSE-CONICET), Departamento Académico de Química, Facultad de Ciuencias Exactas y Tecnológicas, Universidad Nacional de Santiago del Estero, Av. Belgrano Sur 1912, Santiago del Estero 4200, Argentina
| | - María C Navarro
- Facultad de Bioquímica, Química y Farmacia, UNT. Chacabuco 461, San Miguel de Tucumán T4000IL, Argentina
| | - María I Gómez
- Facultad de Bioquímica, Química y Farmacia, UNT. Chacabuco 461, San Miguel de Tucumán T4000IL, Argentina
| | - Cintia M Romero
- Planta Piloto de Procesos Industriales Microbiológicos PROIMI-CONICET, Av. Belgrano y Pasaje Caseros, Tucumán T4001 MVB, Argentina
- Facultad de Bioquímica, Química y Farmacia, UNT. Chacabuco 461, San Miguel de Tucumán T4000IL, Argentina
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9
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Vélez MA, Wolf VI, Espariz M, Acciarri G, Magni C, Hynes E, Perotti MC. Study of volatile compounds profiles in milk matrices using Enterococcus faecalis EstA and Rhizomucor miehei lipase. Food Res Int 2023; 169:112861. [PMID: 37254435 DOI: 10.1016/j.foodres.2023.112861] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 02/02/2023] [Accepted: 04/17/2023] [Indexed: 06/01/2023]
Abstract
The use of esterase/lipase enzymes of different origins in food industry is a widely employed strategy to enhance the formation of characteristic aromatic compounds derived from fat and diversify flavour. In the present work, we studied EstA enzyme of Enterococcus faecalis and a high purity Rhizomucor miehei lipase (Palatase). EstA was obtained recombinantly in Escherichia coli BL21 (DE3), and optimum esterase activity was detected at pH 6.75 and 40 °C. We evaluated the effect of the enzymes on milk mixtures prepared with different fat contents (2.8 and 6%) and structure (native or homogenized) on volatile compounds profiles. The milk fat structure before and after the application of low homogenization was characterized by dynamic light dispersion and microscopy. Native milk fat mixtures presented particles of 4.6 μm and 184 nm and homogenized mixtures had particles of 1.4 μm and 258 nm; microscopy images were in concordance with these results. Fifteen volatile compounds were identified, including ketones, esters, alcohols, and acids. We showed the key role of milk fat levels and microstructure in the nature of the volatile compounds produced by the R. miehei enzyme. Both in native or homogenized states, the highest content of fat favored a higher production of acids whereas the lowest fat level favored a higher esters production along with a more balanced volatile profile. For EstA enzyme, results showed a limited action on fat, as biosynthesis of esters only increased with the highest fat level homogenized.
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Affiliation(s)
- María A Vélez
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina.
| | - Verónica I Wolf
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina
| | - Martín Espariz
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Suipacha 590, 2000, Rosario, Santa Fe, Argentina
| | - Giuliana Acciarri
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Suipacha 590, 2000, Rosario, Santa Fe, Argentina
| | - Christian Magni
- Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Suipacha 590, 2000, Rosario, Santa Fe, Argentina
| | - Erica Hynes
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina
| | - María C Perotti
- Instituto de Lactología Industrial (INLAIN, Universidad Nacional del Litoral/CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM, Santa Fe, Argentina
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Kikani B, Patel R, Thumar J, Bhatt H, Rathore DS, Koladiya GA, Singh SP. Solvent tolerant enzymes in extremophiles: Adaptations and applications. Int J Biol Macromol 2023; 238:124051. [PMID: 36933597 DOI: 10.1016/j.ijbiomac.2023.124051] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/05/2023] [Accepted: 03/12/2023] [Indexed: 03/18/2023]
Abstract
Non-aqueous enzymology has always drawn attention due to the wide range of unique possibilities in biocatalysis. In general, the enzymes do not or insignificantly catalyze substrate in the presence of solvents. This is due to the interfering interactions of the solvents between enzyme and water molecules at the interface. Therefore, information about solvent-stable enzymes is scarce. Yet, solvent-stable enzymes prove quite valuable in the present day biotechnology. The enzymatic hydrolysis of the substrates in solvents synthesizes commercially valuable products, such as peptides, esters, and other transesterification products. Extremophiles, the most valuable yet not extensively explored candidates, can be an excellent source to investigate this avenue. Due to inherent structural attributes, many extremozymes can catalyze and maintain stability in organic solvents. In the present review, we aim to consolidate information about the solvent-stable enzymes from various extremophilic microorganisms. Further, it would be interesting to learn about the mechanism adapted by these microorganisms to sustain solvent stress. Various approaches to protein engineering are used to enhance catalytic flexibility and stability and broaden biocatalysis's prospects under non-aqueous conditions. It also describes strategies to achieve optimal immobilization with minimum inhibition of the catalysis. The proposed review would significantly aid our understanding of non-aqueous enzymology.
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Affiliation(s)
- Bhavtosh Kikani
- Department of Biosciences, Saurashtra University, Rajkot 360 005, Gujarat, India; Department of Biological Sciences, P.D. Patel Institute of Applied Sciences, Charotar University of Science and Technology, Changa 388 421, Gujarat, India
| | - Rajesh Patel
- Department of Biosciences, Veer Narmad South Gujarat University, Surat 395 007, Gujarat, India
| | - Jignasha Thumar
- Government Science College, Gandhinagar 382 016, Gujarat, India
| | - Hitarth Bhatt
- Department of Biosciences, Saurashtra University, Rajkot 360 005, Gujarat, India; Department of Microbiology, Faculty of Science, Atmiya University, Rajkot 360005, Gujarat, India
| | - Dalip Singh Rathore
- Department of Biosciences, Saurashtra University, Rajkot 360 005, Gujarat, India; Gujarat Biotechnology Research Centre, Gandhinagar 382 010, Gujarat, India
| | - Gopi A Koladiya
- Department of Biosciences, Saurashtra University, Rajkot 360 005, Gujarat, India
| | - Satya P Singh
- Department of Biosciences, Saurashtra University, Rajkot 360 005, Gujarat, India.
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11
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Ghasemi S, Yousefi M, Nikseresht A. Comparison of covalent and in situ immobilization of Candida antarctica lipase A on a flexible nanoporous material. 3 Biotech 2023; 13:99. [PMID: 36866325 PMCID: PMC9971526 DOI: 10.1007/s13205-023-03522-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
In this study, Candida antarctica lipase A, which has a unique applicability for the conversion of highly branched and bulky substrates, was subjected to immobilization on the flexible nanoporous MIL-53(Fe) by two approaches: covalent coupling and in situ immobilization method. The pre-synthesized support under ultrasound irradiation was incubated with N,N-dicyclohexylcarbodiimide to mediate the covalent attachment between the carboxylic groups on the support surface and amino groups of enzyme molecules. The in situ immobilization in which the enzyme molecules directly were embedded into the metal-organic framework was performed under mild operating conditions in a facile one-step manner. Both immobilized derivatives of the enzyme were characterized by scanning electron microscopy, X-ray diffraction, thermogravimetric analysis, FT-IR spectra, and energy-dispersive X-ray spectroscopy. In the in situ immobilization method, the enzyme molecules were efficiently encapsulated within the support with a high loading capacity (220 ± 5 mg/g support). On the other hand, the covalent attachment resulted in immobilizing much lower concentrations of the enzyme (20 ± 2.2 mg/g support). Although both immobilized derivatives of lipase showed broader pH and temperature tolerance relative to the soluble enzyme, the biocatalyst, which was prepared through in situ method, was more stable at elevated temperatures than the covalently immobilized lipase. Furthermore, in situ immobilized derivatives of Candida antarctica lipase A could be efficiently reused for at least eight cycles (> 70% of retained activity). In contrast, its covalently immobilized counterpart showed a drastic decrease in activity after five cycles (less than 10% of retained activity at the end of 6 rounds).
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Affiliation(s)
- Saba Ghasemi
- Department of Chemistry, Ilam Branch, Islamic Azad University, Ilam, Iran
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Ahmad Nikseresht
- Department of Chemistry, Payame Noor University (PNU), PO Box 19395-4697, Tehran, Iran
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12
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Rabbani G, Ahmad E, Ahmad A, Khan RH. Structural features, temperature adaptation and industrial applications of microbial lipases from psychrophilic, mesophilic and thermophilic origins. Int J Biol Macromol 2023; 225:822-839. [PMID: 36402388 DOI: 10.1016/j.ijbiomac.2022.11.146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022]
Abstract
Microbial lipases are very prominent biocatalysts because of their ability to catalyze a wide variety of reactions in aqueous and non-aqueous media. Here microbial lipases from different origins (psychrophiles, mesophiles, and thermophiles) have been reviewed. This review emphasizes an update of structural diversity in temperature adaptation and industrial applications, of psychrophilic, mesophilic, and thermophilic lipases. The microbial origins of lipases are logically dynamic, proficient, and also have an extensive range of industrial uses with the manufacturing of altered molecules. It is therefore of interest to understand the molecular mechanisms of adaptation to temperature in occurring lipases. However, lipases from extremophiles (psychrophiles, and thermophiles) are widely used to design biotransformation reactions with higher yields, fewer byproducts, or useful side products and have been predicted to catalyze those reactions also, which otherwise are not possible with the mesophilic lipases. Lipases as a multipurpose biological catalyst have given a favorable vision in meeting the needs of several industries such as biodiesel, foods, and drinks, leather, textile, detergents, pharmaceuticals, and medicals.
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Affiliation(s)
- Gulam Rabbani
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202 002, India; Department of Medical Biotechnology, Yeungnam University, 280 Daehak-ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
| | - Ejaz Ahmad
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, United States of America
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202 002, India.
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13
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Germano de Sousa I, Valério Chaves A, de Oliveira ALB, da Silva Moreira K, Gonçalves de Sousa Junior P, Simão Neto F, Cristina Freitas de Carvalho S, Bussons Rodrigues Valério R, Vieira Lima G, Sanders Lopes AA, Martins de Souza MC, da Fonseca AM, Fechine PBA, de Mattos MC, dos Santos JCS. A novel hybrid biocatalyst from immobilized Eversa ® Transform 2.0 lipase and its application in biolubricant synthesis. BIOCATAL BIOTRANSFOR 2022. [DOI: 10.1080/10242422.2022.2144263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Isamayra Germano de Sousa
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Anderson Valério Chaves
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Fortaleza, Brazil
| | | | | | | | - Francisco Simão Neto
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Simone Cristina Freitas de Carvalho
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | | | - Gledson Vieira Lima
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Ada Amélia Sanders Lopes
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Maria Cristiane Martins de Souza
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
| | - Aluísio Marques da Fonseca
- Mestrado Acadêmico em Sociobiodiversidades e Tecnologias Sustentáveis – MASTS, Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Acarape, CE, Brazil
| | | | - Marcos Carlos de Mattos
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - José C. S. dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Redenção, Brazil
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Ji X, Zhu N, Ma Y, Liu J, Hu Y. Protein C-Terminal Tyrosine Conjugation via Recyclable Immobilized BmTYR. ACS OMEGA 2022; 7:40532-40539. [PMID: 36385814 PMCID: PMC9647846 DOI: 10.1021/acsomega.2c05794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
Protein modification plays an essential role in biological and pharmaceutical research. Due to the ordinary selectivity and inevitable damage to proteins of chemical synthetic methods, increased efforts were focused on biocatalysts which exhibited high regioselectivity and mild reaction conditions. However, separation of the biocatalysts and modified proteins remained a problem, especially when scaling up. Here, we developed a simple method for site-specific protein modification with a recyclable biocatalyst. The immobilizing tyrosinase (BmTYR) on magnetic beads can oxidize C-terminal tyrosine residues of the target protein to o-quinone, followed by the spontaneous addition of different nucleophiles (e.g., aniline derivatives), resulting in a C-terminal modified protein. Compared to the homogeneous biocatalytic system reported before, this heterogeneous system leads to an easier separation. Furthermore, the solid-phase biocatalyst can be regenerated during separation, providing reusability and lower costs.
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Affiliation(s)
- Xingyu Ji
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia, Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Nanlin Zhu
- Shanghai
Institute of Materia Medica, Chinese Academy
of Sciences, Shanghai 201203, China
| | - Yanjie Ma
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia, Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jia Liu
- Shanghai
Institute of Materia Medica, Chinese Academy
of Sciences, Shanghai 201203, China
- School
of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, Hangzhou 310024, China
| | - Youhong Hu
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia, Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School
of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, Hangzhou 310024, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
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15
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Valério RBR, da Silva NA, Junior JRP, Chaves AV, de Oliveira BP, Souza NF, de Morais SM, dos Santos JCS, Abreu FOMDS. Chitosan-Based Nanoparticles for Cardanol-Sustained Delivery System. Polymers (Basel) 2022; 14:polym14214695. [PMID: 36365690 PMCID: PMC9658813 DOI: 10.3390/polym14214695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/15/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
Cardanol, principal constituent of the technical cashew nut shell liquid, has applications as antioxidant and antibacterial, and these properties may be enhanced through encapsulation. In the present study, we isolated and purified cardanol, and nanoparticles (NPs) were produced by polyelectrolyte complexation using polysaccharide systems with chitosan, sodium alginate, and non-toxic Arabic gum, because they are biocompatible, biodegradable, and stable. We characterized the NPs for morphological, physicochemical, and antioxidant activity. The micrographs obtained revealed spherical and nanometric morphology, with 70% of the distribution ranging from 34 to 300 nm, presenting a bimodal distribution. The study of the spectra in the infrared region suggested the existence of physicochemical interactions and cross-links between the biopolymers involved in the encapsulated NPs. Furthermore, the NPs showed better antioxidant potential when compared to pure cardanol. Thus, the encapsulation of cardanol may be an effective method to maintain its properties, promote better protection of the active ingredient, minimize side effects, and can target its activities in specific locations, by inhibiting free radicals in various sectors such as pharmaceutical, nutraceutical, and biomedical.
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Affiliation(s)
| | - Nilvan Alves da Silva
- Departamento de Química Analítica e Físico-Química, Campus do Pici, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil
| | - José Ribamar Paiva Junior
- Departamento de Química Analítica e Físico-Química, Campus do Pici, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil
| | - Anderson Valério Chaves
- Departamento de Química Analítica e Físico-Química, Campus do Pici, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil
| | - Bruno Peixoto de Oliveira
- Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Ceará, Fortaleza 60714-903, CE, Brazil
| | - Nágila Freitas Souza
- Departamento de Química Analítica e Físico-Química, Campus do Pici, Universidade Federal do Ceará, Fortaleza 60455-760, CE, Brazil
| | - Selene Maia de Morais
- Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Ceará, Fortaleza 60714-903, CE, Brazil
| | - José Cleiton Sousa dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção 62790-970, CE, Brazil
- Correspondence: (J.C.S.d.S.); (F.O.M.d.S.A.)
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17
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Polymer/Enzyme Composite Materials—Versatile Catalysts with Multiple Applications. CHEMISTRY 2022. [DOI: 10.3390/chemistry4040087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
A significant interest was granted lately to enzymes, which are versatile catalysts characterized by natural origin, with high specificity and selectivity for particular substrates. Additionally, some enzymes are involved in the production of high-valuable products, such as antibiotics, while others are known for their ability to transform emerging contaminates, such as dyes and pesticides, to simpler molecules with a lower environmental impact. Nevertheless, the use of enzymes in industrial applications is limited by their reduced stability in extreme conditions and by their difficult recovery and reusability. Rationally, enzyme immobilization on organic or inorganic matrices proved to be one of the most successful innovative approaches to increase the stability of enzymatic catalysts. By the immobilization of enzymes on support materials, composite biocatalysts are obtained that pose an improved stability, preserving the enzymatic activity and some of the support material’s properties. Of high interest are the polymer/enzyme composites, which are obtained by the chemical or physical attachment of enzymes on polymer matrices. This review highlights some of the latest findings in the field of polymer/enzyme composites, classified according to the morphology of the resulting materials, following their most important applications.
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18
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Tailoring Lignin-Based Spherical Particles as a Support for Lipase Immobilization. Catalysts 2022. [DOI: 10.3390/catal12091031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Lignin-based spherical particles have recently gained popularity due to their characteristic and the usage of biopolymeric material. In this study, lignin-based spherical particles were prepared using choline chloride at different pH values, ranging from 2 to 10. Their dispersive, microstructural, and physicochemical properties were studied by a variety of techniques, including scanning electron microscopy, Fourier transform infrared spectroscopy, and zeta potential analysis. The best results were obtained for the particles prepared at pH 5 and 7, which had a spherical shape without a tendency to form aggregates and agglomerates. The lignin-based spherical particles were used for the immobilization of lipase, a model enzyme capable of catalyzing a wide range of transformations. It was shown that the highest relative activity of immobilized lipase was obtained after 24 h of immobilization at 30 °C and pH 7, using 100 mg of the support. Moreover, the immobilized lipase exhibited enhanced stability under harsh process conditions, and demonstrated high reusability, up to 87% after 10 cycles, depending on the support used. In the future, the described approach to enzyme immobilization based on lignin spheres may play a significant role in the catalytic synthesis of organic and fine chemicals, with high utility value.
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He L, Zheng J, Feng S, Xu L, Zhong N. Immobilization of Candida antarctica Lipase A onto Macroporous Resin NKA-9: Esterification and Glycerolysis Performance Study. J Oleo Sci 2022; 71:1337-1348. [PMID: 36047241 DOI: 10.5650/jos.ess22028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In this study, lipase A from Candida antarctica (CALA) was immobilized onto the macroporous resin NKA-9. Immobilization conditions (pH, time and CALA concentration) were studied, enzymatic activity and immobilization efficiency (IE) up to 968.89 U/g and 53.19% were respectively obtained under optimal conditions (immobilization pH 5.0, time 5 h and CALA concentration at 30 mg/mL). Then, the NKA-9 supported CALA (CALA@NKA-9) samples were used to catalyze glycerolysis in solvent-free system. With 0.25 g of the present CALA@NKA-9 (soybean oil 3.52 g and glycerol 0.184 g) and after 12 h reaction at 50 °C, diacylglycerols (DAG) content up to 64.37% and triacylglycerols (TAG) conversion at 83.33% were obtained. The relationship between temperature and TAG conversion was LnV 0 = 13.9310-6.4212/T for CALA@NKA-9. Meanwhile, the activation energy (Ea) of CALA@NKA-9 was calculated to be 53.39 kJ/mol. In addition, reusability in the glycerolysis reaction was also evaluated, and 57.82% of the initial glycerolysis activity was retained after 9 consecutive applications. Furthermore, the CALA@NKA-9 was also used to catalyze the esterification (esterification of fatty acids with glycerol), however, the present CALA@NKA-9 cannot initiate the esterification. Therefore, the present CALA@NKA-9 is shown to be potential for DAG production through glycerolysis reaction.
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Affiliation(s)
- Lihong He
- School of Food Science, Guangdong Pharmaceutical University
| | - Jiawei Zheng
- School of Food Science, Guangdong Pharmaceutical University
| | - Siting Feng
- School of Food Science, Guangdong Pharmaceutical University
| | - Li Xu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University.,Guangdong Pharmaceutical University-University of Hong Kong Joint Biomedical Innovation Platform
| | - Nanjing Zhong
- School of Food Science, Guangdong Pharmaceutical University
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Chemical modification of clay nanocomposites for the improvement of the catalytic properties of Lipase A from Candida antarctica. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.05.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Fabrication of chitosan-coated magnetite nanobiocatalyst with Bacillus atrophaeus γ-glutamyl transpeptidase and its application to the synthesis of a bioactive peptide SCV-07. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.08.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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22
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Vesoloski JF, Todero AS, Macieski RJ, de Oliveira Pereira F, Dallago RM, Mignoni ML. Immobilization of Lipase from Candida antarctica B (CALB) by Sol-Gel Technique Using Rice Husk Ash as Silic Source and Ionic Liquid as Additive. Appl Biochem Biotechnol 2022; 194:6270-6286. [PMID: 35907063 DOI: 10.1007/s12010-022-04096-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2022] [Indexed: 11/27/2022]
Abstract
This work presents the immobilization in situ of commercial lipase from Candida antarctica B (CALB) by the sol-gel technique (xerogel) using silica from rice husk ash (RHA) as a source of silicon. It was used the Ionic Liquid (IL) 1-octyl-3-methylimidazolium bromide (C8MI.Br) as additive. The immobilized derivatives were characterized per SEM, XRD, and per method BET. The enzymatic activity of xerogels was evaluated with different tests, these being the reactional thermal analysis, immobilization yield, and operational and storage stability. The XDR showed that the obtained xerogels have halos in the region between 15 and 35° (2θ) what characterizes it as amorphous materials. The SEM analysis of xerogel shows irregular particles with dimensions less than 20 μm. The immobilized presented an esterification activity (EA) with 263.2 and 213.8 U/g, with and without IL, respectively, higher than the free enzyme (169.6 U/g). The immobilized, with and without IL, presented a significant improvement in the activity performance in relation to free enzyme for the three reactional temperatures (40, 60, and 80 °C) evaluated. The operational stability demonstrated that is possible to use xerogel without ionic liquid for 17 recycles and 21 recycles in IL presence. This methodology allows the preparation of new highly active and selective enzyme catalysts using the rice husk ash as a source of silicon, and the ionic liquid [C8MI]Br as additive. Furthermore, the new materials can provide greater viability in the processes, ensuring longer catalyst life.
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Affiliation(s)
- Josieli Fátima Vesoloski
- Department of Food and Chemical Engineering, URI - Erechim, Sete de Setembro Av, Erechim, RS, 162199709-910, Brazil
| | - Adriele Sabrina Todero
- Department of Food and Chemical Engineering, URI - Erechim, Sete de Setembro Av, Erechim, RS, 162199709-910, Brazil
| | - Ricardo Jorge Macieski
- Department of Food and Chemical Engineering, URI - Erechim, Sete de Setembro Av, Erechim, RS, 162199709-910, Brazil
| | - Fabiana de Oliveira Pereira
- Department of Food and Chemical Engineering, URI - Erechim, Sete de Setembro Av, Erechim, RS, 162199709-910, Brazil
| | - Rogério Marcos Dallago
- Department of Food and Chemical Engineering, URI - Erechim, Sete de Setembro Av, Erechim, RS, 162199709-910, Brazil
| | - Marcelo Luis Mignoni
- Department of Food and Chemical Engineering, URI - Erechim, Sete de Setembro Av, Erechim, RS, 162199709-910, Brazil.
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Tan B, Li Y, Fei X, Tian J, Xu L, Wang Y. Lipase-polydopamine magnetic hydrogel microspheres for the synthesis of octenyl succinic anhydride starch. Int J Biol Macromol 2022; 219:482-490. [PMID: 35850268 DOI: 10.1016/j.ijbiomac.2022.07.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/04/2022] [Accepted: 07/10/2022] [Indexed: 11/28/2022]
Abstract
Octenyl succinic anhydride (OSA) starch is an important edible additive in the food field, and its synthesis method has attracted much attention. Lipase as a biocatalyst can improve the synthesis efficiency of OSA starch, and significantly inhibit the occurrence of side reactions. However, free lipase has not been widely applied in the synthesis of OSA starch due to the difficulty of separation from starch and poor reusability. In this work, a promising strategy for the synthesis of OSA starch catalyzed by lipase immobilized on polydopamine magnetic hydrogel microspheres (PMHM) is reported. The prepared lipase-polydopamine magnetic hydrogel microspheres (L-PMHM) can be uniformly dispersed in starch slurry, which is conducive to the full contact between lipase and starch. L-PMHM (Km =2.6276 μmol/mL) exhibits better affinity to the substrate than free lipase (Km = 3.4301 μmol/mL). Compared with the OSA starch catalyzed by free lipase (DS = 0.0176), the degree of substitution of OSA starch catalyzed by L-PMHM is up to 0.0277 in a short reaction time. In cyclic catalysis, L-PHMM can remain about 48 % of their original activity after 20 reuses and can be quickly separated from the product. These results suggest that L-PMHM has great potential as a biocatalyst for the efficient synthesis of OSA starch.
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Affiliation(s)
- Bozhi Tan
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China; School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Yao Li
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Xu Fei
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China.
| | - Jing Tian
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China.
| | - Longquan Xu
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China
| | - Yi Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
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24
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The Chemistry and Applications of Metal-Organic Frameworks (MOFs) as Industrial Enzyme Immobilization Systems. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27144529. [PMID: 35889401 PMCID: PMC9320690 DOI: 10.3390/molecules27144529] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/02/2023]
Abstract
Enzymatic biocatalysis is a sustainable technology. Enzymes are versatile and highly efficient biocatalysts, and have been widely employed due to their biodegradable nature. However, because the three-dimensional structure of these enzymes is predominantly maintained by weaker non-covalent interactions, external conditions, such as temperature and pH variations, as well as the presence of chemical compounds, can modify or even neutralize their biological activity. The enablement of this category of processes is the result of the several advances in the areas of molecular biology and biotechnology achieved over the past two decades. In this scenario, metal–organic frameworks (MOFs) are highlighted as efficient supports for enzyme immobilization. They can be used to ‘house’ a specific enzyme, providing it with protection from environmental influences. This review discusses MOFs as structures; emphasizes their synthesis strategies, properties, and applications; explores the existing methods of using immobilization processes of various enzymes; and lists their possible chemical modifications and combinations with other compounds to formulate the ideal supports for a given application.
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25
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Wahba MI. Gum tragacanth for immobilization of Bacillus licheniformis protease: Optimization, thermodynamics and application. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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26
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Chen S, Bao X, Wang Z, Rong X, Zhang X, Li C, Wang X, Wei L. Comparative study on the effects of water pressure on water absorption of ultra‐high molecular weight polyethylene and polyformaldehyde. J Appl Polym Sci 2022. [DOI: 10.1002/app.52783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Song Chen
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Xiangcai Bao
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Zhiheng Wang
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Xiangbin Rong
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Xiaohong Zhang
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Chao Li
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Xinyu Wang
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
| | - Lei Wei
- College of Mechanical Engineering Hunan Institute of Science and Technology Yueyang China
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27
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Yagi Y, Kimura T, Kamezawa M. Biomolecular Chemical Simulations on Enantioselectivity and Reactivity of Lipase Enzymes to Azulene Derivatives. Nat Prod Commun 2022. [DOI: 10.1177/1934578x221108572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Biomolecular chemical simulations have recently become a useful research method in the fields of organic chemistry and bioscience. In the last few years, we have been focusing on the biomolecular computational simulation on lipase enzyme and ligand complexes to predict the enantioselectivity and reactivity of lipases toward non-natural organic compounds. In this paper, we describe the molecular simulations including molecular dynamics (MD) and fragment molecular orbital (FMO) calculations for the complexes of Candida antarctica lipase type A (CALA) and trifluoromethylazulene alcohol derivatives. From the MD calculations, we found that the fast-reacting enantiomer of esters with high enantioselectivity stays in the vicinity of the active site of CALA, while the slow-reacting enantiomer leaves the active site of CALA. On the other hand, both ( R)- and ( S)-enantiomers of ester with low ensntioselectivity were found to keep near to near the active site of CALA. Further, for the esters that do not react with lipase enzyme, we found that both ( R)- and ( S)-enantiomers move away from the active site of lipase enzyme. From the FMO calculations, we found that each fast-reacting enantiomer of esters with high enantioselectivity strongly interacts with certain particular amino acid residues in CALA containing Asp95, while both ( R)- and ( S)-enantiomers of ester with low enantioselectivity interact with same amino acid residues in CALA including Asp95. These results suggest that it is possible to predict not only the enantioselectivity but also the reactivity of CALA and to identify the amino acid residues important to the enzymatic reaction. Therefore, we consider that our computational simulations would be a useful method for predicting and understanding the reactivity and the enantioselectivity of lipase-catalyzed biotransformations.
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Affiliation(s)
- Yoichiro Yagi
- Graduate School of Engineering, Okayama University of Science, Okayama, Japan
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28
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Iron oxide nanoparticles immobilized Aspergillus flavus manganese peroxidase with improved biocatalytic, kinetic, thermodynamic, and dye degradation potentialities. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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29
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Characterization of the chimeric protein cUBC1 engineered by substituting the linker of E2-25K into UBC1 enzyme of Saccharomyces cerevisiae. Int J Biol Macromol 2022; 209:991-1000. [PMID: 35429515 DOI: 10.1016/j.ijbiomac.2022.04.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/27/2022] [Accepted: 04/07/2022] [Indexed: 11/21/2022]
Abstract
Ubiquitination is an important posttranslational modification of proteins in eukaryotic cells, wherein ubiquitin molecules are conjugated to target proteins. Ubiquitination is catalyzed by the cascade of ubiquitin activating enzyme (E1), ubiquitin conjugating enzyme (E2), and ubiquitin ligase (E3). The number of E2s encoded in eukaryotes partly explains their contribution to the inherent specificity of the ubiquitin system. The ubiquitin conjugating enzyme UBC1 of Saccharomyces cerevisiae participates the degradation of short-lived and abnormal proteins. UBC1 consists of two well-defined domains separated by a long flexible linker. E2-25K, the human homolog of UBC1 is crucial to neurons and its failure leads to neurodegenerative disorders. The linker of UBC1 is of 22 amino acids, while that of E2-25K has 6 amino acids. To understand the importance of the linker, the chimeric protein, cUBC1 was constructed by substituting the linker of E2-25K in UBC1. cUBC1 shows minor changes in its secondary structure. cUBC1 expression in ubc1 deletion mutants showed no effect over growth, thermotolerance and resistance to antibiotic stress. However, survival under heat stress was enhanced with cUBC1. Western blot analysis of the enzymatic activity showed cUBC1 performed equally well as UBC1. Hence, cUBC1 demonstrates that the shorter linker increased the stability of UBC1.
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Aghaei H, Mohammadbagheri Z, Hemasi A, Taghizadeh A. Efficient hydrolysis of starch by α-amylase immobilized on cloisite 30B and modified forms of cloisite 30B by adsorption and covalent methods. Food Chem 2022; 373:131425. [PMID: 34710686 DOI: 10.1016/j.foodchem.2021.131425] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 10/13/2021] [Accepted: 10/16/2021] [Indexed: 12/15/2022]
Abstract
In this paper, α-amylase from Bacillus subtilis was successfully immobilized on three supports. First, α-amylase was immobilized on cloisite 30B via the adsorption method. Then cloisite 30B was activated with tosyl chloride and epichlorohydrin. These activated supports were used for covalent immobilization of α-amylase, and their enzymatic activities were effectively tested in the starch hydrolysis. The results demonstrated that the specific activity of α-amylase immobilized on cloisite 30B was 2.39 ± 0.03, for α-amylase immobilized on activated cloisite 30B with epichlorohydrin was 1.96 ± 0.05 and for α-amylase immobilized on activated cloisite 30B with tosyl chloride was 2.17 ± 0.05 U mg-1. The optimum pH for the activity of free α-amylase was 7, but for α-amylase immobilized on cloisite 30B was 8, and for α-amylase immobilized on activated supports was 7.5. The immobilized enzymes had better thermal resistance and storage stability than free α-amylase, and they also showed excellent reusability.
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Affiliation(s)
- Hamidreza Aghaei
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran.
| | - Zahra Mohammadbagheri
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran
| | - Amineh Hemasi
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran
| | - Ameneh Taghizadeh
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran
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31
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Fabrication of lipase-loaded particles by coacervation with chitosan. Food Chem 2022; 385:132689. [PMID: 35303653 DOI: 10.1016/j.foodchem.2022.132689] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/05/2022] [Accepted: 03/10/2022] [Indexed: 12/20/2022]
Abstract
Coacervation of the lipase from Aspergillus oryzae (AOL) with chitosan was a feasible way to fabricate lipase-loaded particles and the optimum conditions were phase separation pH 5.5, chitosan to AOL mass ratio 1:5, and temperature 25 °C in the absence of NaCl, which conferred an AOL loading efficiency of up to 95.48% and activity recovery of 69.60%. The AOL-chitosan coacervates were highly porous and more susceptible to weight loss upon heating. Coacervation with chitosan increased the activity of AOL and shifted its optimum pH from 7.0 to 6.0, but exerted no effect on its optimum temperature (45 °C). Thermal deactivation kinetics analysis revealed that the coacervated AOL was more thermal stable, while the Michaelis-Menten kinetics analysis indicated that coacervation with chitosan increased the Vmax of AOL by 2.4 folds, but decreased its substrate affinity by 3.6 folds. Hence, the AOL-chitosan coacervates are potential in the construction of Pickering emulsion-based lipase catalysis systems.
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32
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Remonatto D, Miotti Jr. RH, Monti R, Bassan JC, de Paula AV. Applications of immobilized lipases in enzymatic reactors: A review. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.01.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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33
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Biodiesel production from microalgae using lipase-based catalysts: Current challenges and prospects. ALGAL RES 2022. [DOI: 10.1016/j.algal.2021.102616] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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34
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Glutaraldehyde functionalization of halloysite nanoclay enhances immobilization efficacy of endoinulinase for fructooligosaccharides production from inulin. Food Chem 2022; 381:132253. [PMID: 35123224 DOI: 10.1016/j.foodchem.2022.132253] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/20/2022] [Accepted: 01/23/2022] [Indexed: 12/14/2022]
Abstract
Current work describes the enhancement of immobilization efficacy of Aspergillus tritici endoinulinase onto halloysite nanoclay using crosslinker glutaraldehyde. Under statistical optimized immobilization conditions, viz. glutaraldehyde 1.50% (v/v), enzyme coupling-time 2.20 h, glutaraldehyde activation-time 1.00 h and endoinulinase load 50 IU, maximum activity yield (65.77%) and immobilization yield (82.45%) was obtained. An enhancement of 1.15- and 1.23-fold in both enzyme activity yield and immobilization yield of endoinulinase was observed, when compared with APTES-functionalized halloysite nanoclay immobilized endoinulinase. Immobilized biocatalyst showed maximum activity at pH 5.0 and temperature 60 °C with broad pH (4.0-8.5) and temperature (50-75 °C) stability. Further, optimal hydrolytic conditions (inulin concentration 8.0%; endoinulinase load 80 IU; agitation 125 rpm and hydrolysis-time 13 h) supported fructooligosaccharides yield (95.44%) in a batch system. HPTLC studies blueprint confirmed 95.44% fructooligosaccharides containing 35.41% kestose, 26.19% nystose and 9.69% fructofuranosylnystose. The developed immobilized biocatalyst shown good stability of 8 cycles for inulin hydrolysis.
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35
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A Comprehensive Review on the Use of Metal–Organic Frameworks (MOFs) Coupled with Enzymes as Biosensors. ELECTROCHEM 2022. [DOI: 10.3390/electrochem3010006] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Several studies have shown the development of electrochemical biosensors based on enzymes immobilized in metal–organic frameworks (MOFs). Although enzymes have unique properties, such as efficiency, selectivity, and environmental sustainability, when immobilized, these properties are improved, presenting significant potential for several biotechnological applications. Using MOFs as matrices for enzyme immobilization has been considered a promising strategy due to their many advantages compared to other supporting materials, such as larger surface areas, higher porosity rates, and better stability. Biosensors are analytical tools that use a bioactive element and a transducer for the detection/quantification of biochemical substances in the most varied applications and areas, in particular, food, agriculture, pharmaceutical, and medical. This review will present novel insights on the construction of biosensors with materials based on MOFs. Herein, we have been highlighted the use of MOF for biosensing for biomedical, food safety, and environmental monitoring areas. Additionally, different methods by which immobilizations are performed in MOFs and their main advantages and disadvantages are presented.
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36
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Basetty S, Kumaraguru T. Preparation of enantiopure pregabalin intermediate using cross linked enzyme aggregates (CLEAs) in basket reactor. BIOCATAL BIOTRANSFOR 2022. [DOI: 10.1080/10242422.2021.2023507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Shalini Basetty
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Thenkrishnan Kumaraguru
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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37
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Taguchi design-assisted co-immobilization of lipase A and B from Candida antarctica onto chitosan: Characterization, kinetic resolution application, and docking studies. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2021.10.033] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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38
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Yuan M, Cong F, Zhai Y, Li P, Yang W, Zhang S, Su Y, Li T, Wang Y, Luo W, Liu D, Cui Z. Rice straw enhancing catalysis of Pseudomonas fluorescens lipase for synthesis of citronellyl acetate. Bioprocess Biosyst Eng 2021; 45:453-464. [PMID: 34686911 DOI: 10.1007/s00449-021-02659-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 10/15/2021] [Indexed: 10/20/2022]
Abstract
Citronellyl acetate as an important flavor, can be effectively synthesized by lipase catalysis in nonaqueous system. But lipases usually behave low catalytic activity due to aggregation and denaturation of them in organic phase. To enhance the nonaqueous catalysis, based on the mechanism of lipases activated at water/oil (organic phase) interface, the inexpensive race straw was processed into powder and filaments on which Pseudomonas fluorescens lipase was immobilized by physical adsorption, used for synthesis of citronellyl acetate via transesterification of citronellol and vinyl acetate. Results showed that the desired loading was 10 mg lipase immobilized on 30 mg rice straw filaments or 25 mg rice straw powder. When the two immobilized lipases were employed in the reaction system consisted of 1-mL citronellol and 2-mL vinyl acetate at 37 ℃ and 160 rpm, the conversions all reached 99.8% after 12 h. Under the reaction condition, the conversion catalyzed by 10 mg native lipase was 85.1%. Undergoing six times of 8-h reuses in the organic system, the filament and power immobilized lipases had weak activity attenuation rates 0.36 and 0.32% h-1, lower than 1.52% h-1 of native lipase. Even at the room temperature and the static state without shaking and stirring, the rice straw filaments immobilized lipase could brought conversion 62.9% after 10 h but the native lipase only gave 37.0%. Obviously, the rice straw, especially its filaments, is an inexpensive and available natural material to prepare immobilized lipase with desired catalysis in organic phase, meant significant potential in flavor industry.
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Affiliation(s)
- Min Yuan
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Fangdi Cong
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China. .,Biccamin (Tianjin) Biotechnology R and D Stock Co., Ltd, Tianjin, 300393, People's Republic of China.
| | - Yali Zhai
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Ping Li
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Wei Yang
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Shulin Zhang
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Yongpeng Su
- Biccamin (Tianjin) Biotechnology R and D Stock Co., Ltd, Tianjin, 300393, People's Republic of China
| | - Tao Li
- School of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Yingchao Wang
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Wei Luo
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Daying Liu
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Tianjin Chemical Experiment Teaching Demonstration Center, College of Basic Science, Tianjin Agricultural University, Tianjin, 300392, People's Republic of China
| | - Zhongqiu Cui
- Tianjin Key Laboratory of Crop Genetics and Breeding, Tianjin Academy of Agricultural Sciences Crop Institute, Tianjin, 300384, People's Republic of China
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Abstract
The market for industrial enzymes has witnessed constant growth, which is currently around 7% a year, projected to reach $10.5 billion in 2024. Lipases are hydrolase enzymes naturally responsible for triglyceride hydrolysis. They are the most expansively used industrial biocatalysts, with wide application in a broad range of industries. However, these biocatalytic processes are usually limited by the low stability of the enzyme, the half-life time, and the processes required to solve these problems are complex and lack application feasibility at the industrial scale. Emerging technologies create new materials for enzyme carriers and sophisticate the well-known immobilization principles to produce more robust, eco-friendlier, and cheaper biocatalysts. Therefore, this review discusses the trending studies and industrial applications of the materials and protocols for lipase immobilization, analyzing their advantages and disadvantages. Finally, it summarizes the current challenges and potential alternatives for lipases at the industrial level.
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Molina-Gutiérrez M, Alcaraz L, López FA, Rodríguez-Sánchez L, Martínez MJ, Prieto A. Immobilized Forms of the Ophiostoma piceae Lipase for Green Synthesis of Biodiesel. Comparison with Eversa Transform 2.0 and Cal A. J Fungi (Basel) 2021; 7:jof7100822. [PMID: 34682243 PMCID: PMC8539422 DOI: 10.3390/jof7100822] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/23/2021] [Accepted: 09/26/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, we analyzed the suitability of a versatile recombinant lipase, secreted by Ophiostoma piceae (OPEr) and produced in Pichia pastoris, as a catalyst of the synthesis of biodiesel. The enzyme was immobilized by five covalent procedures and by hydrophobicity on functionalized nanoparticles of magnetite or of a novel Zn/Mn oxide named G1. Then, they were tested for green production of biodiesel by solventless enzymatic transesterification of discarded cooking oil and methanol (1:4) at 25 °C. The results were compared with those shown by free OPEr and the commercial lipases Eversa® and Cal A®. Several preparations with immobilized OPEr produced high synthesis yields (>90% transesterification), comparable to those obtained with Eversa®, the commercial enzyme designed for this application. Three of the biocatalysts maintained their catalytic efficiency for nine cycles. The process catalyzed by AMNP-CH-OPEr was scaled from 500 µL to 25 mL (50 times), improving its efficiency.
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Affiliation(s)
- María Molina-Gutiérrez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
| | - Lorena Alcaraz
- Centro Nacional de Investigaciones Metalúrgicas (CENIM), Consejo Superior de Investigaciones Científicas (CSIC), Av. Gregorio del Amo 8, 28040 Madrid, Spain; (L.A.); (F.A.L.)
| | - Félix A. López
- Centro Nacional de Investigaciones Metalúrgicas (CENIM), Consejo Superior de Investigaciones Científicas (CSIC), Av. Gregorio del Amo 8, 28040 Madrid, Spain; (L.A.); (F.A.L.)
| | - Leonor Rodríguez-Sánchez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
| | - María Jesús Martínez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
| | - Alicia Prieto
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
- Correspondence:
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41
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Recent Advances in Feedstock and Lipase Research and Development towards Commercialization of Enzymatic Biodiesel. Processes (Basel) 2021. [DOI: 10.3390/pr9101743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Biodiesel is a biodegradable, renewable, and carbon-neutral alternative to petroleum diesel that can contribute to the global effort of minimizing the use of fossil fuels and meeting the ever-growing energy demands and stringent environmental constraints. The aim of this work was to (1) review the recent progress in feedstock development, including first, second, third, and fourth-generation feedstocks for biodiesel production; (2) discuss recent progress in lipase research and development as one of the key factors for establishing a cost-competitive biodiesel process in terms of enzyme sources, properties, immobilization, and transesterification efficiency; and (3) provide an update of the current challenges and opportunities for biodiesel commercialization from techno-economic and social perspectives. Related biodiesel producers, markets, challenges, and opportunities for biodiesel commercialization, including environmental considerations, are critically discussed.
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Meena J, Gupta A, Ahuja R, Singh M, Panda AK. Recent advances in nano-engineered approaches used for enzyme immobilization with enhanced activity. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116602] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Bayramoglu G, Celikbicak O, Kilic M, Yakup Arica M. Immobilization of Candida rugosa lipase on magnetic chitosan beads and application in flavor esters synthesis. Food Chem 2021; 366:130699. [PMID: 34348221 DOI: 10.1016/j.foodchem.2021.130699] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/14/2021] [Accepted: 07/23/2021] [Indexed: 12/20/2022]
Abstract
In this work, magnetic chitosan (MCH) beads were synthesized by phase-inversion method, and grafted with polydopamine (PDA) and then used for direct immobilization of Candida rugosa lipase by Schiff base reaction. The amount of immobilized enzyme and the retained activity were found to be 47.3 mg/g and 72.8%, respectively, at pH 7.0, and at 25 °C. The apparent Km (9.7 mmol/L), and Vmax (384 U/mg) values of the immobilized lipase were significantly changed compared to the free lipase. The MCH@PDA-lipase was better thermal and storage stability at different temperatures than those of the free lipase. In hexane medium, the esterification reaction results showed that the maximum conversions of isoamylalcohol and isopentyl alcohol to isoamyl acetate and isopentyl acetate using the MCH@PDA-lipase were found to be 98.4 ± 1.3% and 73.7 ± 0.7%, respectively. These results showed that the MCH@PDA-lipase can be used as an operative immobilized enzyme system for many biotechnological applications.
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Affiliation(s)
- Gulay Bayramoglu
- Biochemical Processing and Biomaterial Research Laboratory, Gazi University, 06500 Teknikokullar, Ankara, Turkey; Department of Chemistry, Faculty of Sciences, Gazi University, 06500 Teknikokullar, Ankara, Turkey.
| | - Omur Celikbicak
- Department of Chemistry, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Murat Kilic
- Biochemical Processing and Biomaterial Research Laboratory, Gazi University, 06500 Teknikokullar, Ankara, Turkey
| | - M Yakup Arica
- Biochemical Processing and Biomaterial Research Laboratory, Gazi University, 06500 Teknikokullar, Ankara, Turkey
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The Lord of the Chemical Rings: Catalytic Synthesis of Important Industrial Epoxide Compounds. Catalysts 2021. [DOI: 10.3390/catal11070765] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The epoxidized group, also known as the oxirane group, can be considered as one of the most crucial rings in chemistry. Due to the high ring strain and the polarization of the C–O bond in this three-membered ring, several reactions can be carried out. One can see such a functional group as a crucial intermediate in fuels, polymers, materials, fine chemistry, etc. Literature covering the topic of epoxidation, including the catalytic aspect, is vast. No review articles have been written on the catalytic synthesis of short size, intermediate and macro-molecules to the best of our knowledge. To fill this gap, this manuscript reviews the main catalytic findings for the production of ethylene and propylene oxides, epichlorohydrin and epoxidized vegetable oil. We have selected these three epoxidized molecules because they are the most studied and produced. The following catalytic systems will be considered: homogeneous, heterogeneous and enzymatic catalysis.
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Development of a Novel Bi-Enzymatic Nanobiocatalyst for the Efficient Bioconversion of Oleuropein to Hydroxytyrosol. Catalysts 2021. [DOI: 10.3390/catal11060749] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Lipase A from Candida antarctica (CalA) and β-glucosidase from Thermotoga maritima (bgl) were covalently co-immobilized onto the surface of chitosan-coated magnetic nanoparticles (CS-MNPs). Several parameters regarding the co-immobilization procedure (glutaraldehyde concentration, incubation time, CS-MNPs to enzyme mass ratio and bgl to CalA mass ratio) were evaluated and optimized. The developed nanobiocatalyst was characterized by various spectroscopic techniques. Biochemical parameters such as kinetic constants and thermal stability were also evaluated. The nanobiocatalytic system revealed an increase in the Km constant followed by a decrease in Vmax value compared with the native enzymes, while a significant increase (>5-fold higher) of the thermal stability of the immobilized CalA, both in individual and in co-immobilized form, was observed after 24 h incubation at 60 °C. Finally, the nanobiocatalyst was efficiently applied for the bioconversion of oleuropein to hydroxytyrosol, one of the most powerful naturally derived antioxidants, and it could be recycled for up to 10 reaction cycles (240 h of constant operation) at 60 °C, retaining more than 50% of its initial activity.
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Designing of Nanomaterials-Based Enzymatic Biosensors: Synthesis, Properties, and Applications. ELECTROCHEM 2021. [DOI: 10.3390/electrochem2010012] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Among the many biological entities employed in the development of biosensors, enzymes have attracted the most attention. Nanotechnology has been fostering excellent prospects in the development of enzymatic biosensors, since enzyme immobilization onto conductive nanostructures can improve characteristics that are crucial in biosensor transduction, such as surface-to-volume ratio, signal response, selectivity, sensitivity, conductivity, and biocatalytic activity, among others. These and other advantages of nanomaterial-based enzymatic biosensors are discussed in this work via the compilation of several reports on their applications in different industrial segments. To provide detailed insights into the state of the art of this technology, all the relevant concepts around the topic are discussed, including the properties of enzymes, the mechanisms involved in their immobilization, and the application of different enzyme-derived biosensors and nanomaterials. Finally, there is a discussion around the pressing challenges in this technology, which will be useful for guiding the development of future research in the area.
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Different strategies for the lipase immobilization on the chitosan based supports and their applications. Int J Biol Macromol 2021; 179:170-195. [PMID: 33667561 DOI: 10.1016/j.ijbiomac.2021.02.198] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 01/15/2023]
Abstract
Immobilized enzymes have received incredible interests in industry, pharmaceuticals, chemistry and biochemistry sectors due to their various advantages such as ease of separation, multiple reusability, non-toxicity, biocompatibility, high activity and resistant to environmental changes. This review in between various immobilized enzymes focuses on lipase as one of the most practical enzyme and chitosan as a preferred biosupport for lipase immobilization and provides a broad range of studies of recent decade. We highlight several aspects of lipase immobilization on the surface of chitosan support containing various types of lipase and immobilization techniques from physical adsorption to covalent bonding and cross-linking with their benefits and drawbacks. The recent advances and future perspectives that can improve the present problems with lipase and chitosan such as high-price of lipase and low mechanical resistance of chitosan are also discussed. According to the literature, optimization of immobilization methods, combination of these methods with other techniques, physical and chemical modifications of chitosan, co-immobilization and protein engineering can be useful as a solution to overcome the mentioned limitations.
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Monteiro RR, Virgen-Ortiz JJ, Berenguer-Murcia Á, da Rocha TN, dos Santos JC, Alcántara AR, Fernandez-Lafuente R. Biotechnological relevance of the lipase A from Candida antarctica. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.03.026] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Mylkie K, Nowak P, Rybczynski P, Ziegler-Borowska M. Polymer-Coated Magnetite Nanoparticles for Protein Immobilization. MATERIALS (BASEL, SWITZERLAND) 2021; 14:E248. [PMID: 33419055 PMCID: PMC7825442 DOI: 10.3390/ma14020248] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/26/2020] [Accepted: 12/28/2020] [Indexed: 11/20/2022]
Abstract
Since their discovery, magnetic nanoparticles (MNPs) have become materials with great potential, especially considering the applications of biomedical sciences. A series of works on the preparation, characterization, and application of MNPs has shown that the biological activity of such materials depends on their size, shape, core, and shell nature. Some of the most commonly used MNPs are those based on a magnetite core. On the other hand, synthetic biopolymers are used as a protective surface coating for these nanoparticles. This review describes the advances in the field of polymer-coated MNPs for protein immobilization over the past decade. General methods of MNP preparation and protein immobilization are presented. The most extensive section of this article discusses the latest work on the use of polymer-coated MNPs for the physical and chemical immobilization of three types of proteins: enzymes, antibodies, and serum proteins. Where possible, the effectiveness of the immobilization and the activity and use of the immobilized protein are reported. Finally, the information available in the peer-reviewed literature and the application perspectives for the MNP-immobilized protein systems are summarized as well.
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Affiliation(s)
| | | | | | - Marta Ziegler-Borowska
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland; (K.M.); (P.N.); (P.R.)
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de Sousa Fonseca T, de Oliveira UMF, de Oliveira MDCF, de Lemos TLG, da Silva MR, Rios NS, Gonçalves LRB, de Mattos MC. Immobilization of Amano lipase AK from Pseudomonas fluorescens on different types of chitosan-containing supports: use in the kinetic resolution of rac-indanol. Bioprocess Biosyst Eng 2021; 44:785-792. [PMID: 33389170 DOI: 10.1007/s00449-020-02487-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 11/19/2020] [Indexed: 11/30/2022]
Abstract
Amano lipase AK from P. fluorescens was immobilized on different types of chitosan-containing supports. Chitosan lower molecular weight (2.5%), chitosan lower molecular weight/sodium alginate (2.5%/2.5%) and chitosan lower molecular weight/carrageenan (2.5%/2.5%) allowed the highest values of immobilization yields (IY) of 81, 81 and 83%, respectively. Best activity results were achieved using chitosan average molecular weight (5%) and chitosan lower molecular weight/sodium alginate (2.5%/2.5%) as support, with values of 1.40 and 1.30 UpNPB/ggel and with recovery activities of 45.75 and 35.6%, respectively. These derivatives were evaluated in the kinetic resolution of rac-indanol to obtain a key intermediate in the synthesis of a drug used in the treatment of Parkinson's disease. The most efficient derivatives in the kinetic resolution were lipase immobilized on chitosan average molecular weight (5.0%) and chitosan low molecular weight/sodium alginate, the latter leading to obtaining both (S)-indanol and (R)-indanyl acetate with > 99% ee and 50% conversion.
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Affiliation(s)
- Thiago de Sousa Fonseca
- Department of Organic and Inorganic Chemistry, Laboratory of Biotechnology and Organic Synthesis (LABS), Federal University of Ceará, Campus do Pici, Fortaleza, Ceará, 60455-970, Brazil.,Federal Institute of Education, Science and Technology of Ceará, Campus de Crateús, Avenida Geraldo Barbosa Marques, 567, Crateús, CE, 63708-260, Brazil
| | - Ulisses Marcondes Freire de Oliveira
- Department of Organic and Inorganic Chemistry, Laboratory of Biotechnology and Organic Synthesis (LABS), Federal University of Ceará, Campus do Pici, Fortaleza, Ceará, 60455-970, Brazil
| | - Maria da Conceição Ferreira de Oliveira
- Department of Organic and Inorganic Chemistry, Laboratory of Biotechnology and Organic Synthesis (LABS), Federal University of Ceará, Campus do Pici, Fortaleza, Ceará, 60455-970, Brazil
| | - Telma Leda Gomes de Lemos
- Department of Organic and Inorganic Chemistry, Laboratory of Biotechnology and Organic Synthesis (LABS), Federal University of Ceará, Campus do Pici, Fortaleza, Ceará, 60455-970, Brazil
| | | | - Nathalia Saraiva Rios
- Department of Chemical Engineering, Federal University of Ceará, Campus do Pici, Fortaleza, Ceará, 60455-760, Brazil
| | | | - Marcos Carlos de Mattos
- Department of Organic and Inorganic Chemistry, Laboratory of Biotechnology and Organic Synthesis (LABS), Federal University of Ceará, Campus do Pici, Fortaleza, Ceará, 60455-970, Brazil.
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