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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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Xie X, Huang D, Li Z. Bioproduction of Rare d-Allulose from d-Glucose via Borate-Assisted Isomerization. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:3036-3044. [PMID: 38299460 DOI: 10.1021/acs.jafc.3c07100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
d-Allulose is a low-calorie functional rare sugar with excellent processing suitability and unique physiological efficacy. d-Allulose is primarily produced from d-fructose through enzymatic epimerization, facing the constraints of a low conversion yield and high production cost. In this study, a double-enzyme cascade system with tetraborate-assisted isomerization was constructed for the efficient production of d-allulose from inexpensive d-glucose. With the introduction of sodium tetraborate (STB), capable of forming complexes with diol-bearing sugars, the conversion yield of d-allulose from d-glucose substantially escalated from the initial 17.37% to 44.97%. Furthermore, d-allulose was found to exhibit the most pronounced binding affinity for STB with an association constant of 1980.51 M-1, notably surpassing that of d-fructose (183.31 M-1) and d-glucose (35.37 M-1). Additionally, the structural analysis of the sugar-STB complexes demonstrated that d-allulose reacted with STB via the cis 2,3-hydroxyl groups in the α-furanose form. Finally, the mechanism underlying STB-assisted isomerization was proposed, emphasizing the preferential formation of an allulose-STB complex that effectively shifts the isomerization equilibrium to the allulose side, thereby resulting in high yield of d-allulose. Such an STB-facilitated isomerization system would also provide a guidance for the cost-effective synthesis of other rare sugars.
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Affiliation(s)
- Xiaofang Xie
- Department of Food Science and Technology, National University of Singapore, 117542, Singapore
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou, Jiangsu 215123, China
| | - Dejian Huang
- Department of Food Science and Technology, National University of Singapore, 117542, Singapore
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou, Jiangsu 215123, China
| | - Zhaofeng Li
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Yixing Institute of Food and Biotechnology Co., Ltd, Yixing, Jiangsu 214200, China
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Pucci EFQ, Buffo MM, Del Bianco Sousa M, Tardioli PW, Badino AC. An innovative multi-enzymatic system for gluconic acid production from starch using Aspergillus niger whole-cells. Enzyme Microb Technol 2023; 171:110309. [PMID: 37690395 DOI: 10.1016/j.enzmictec.2023.110309] [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: 06/30/2023] [Revised: 08/21/2023] [Accepted: 08/24/2023] [Indexed: 09/12/2023]
Abstract
The use of multi-enzymatic systems for the industrial production of chemical compounds is currently considered an important green tool in synthetic organic chemistry. Gluconic acid is a multi-functional organic acid widely used in the chemical, pharmaceutical, food, textile, and construction industries. Its industrial production from glucose by fermentation using Aspergillus niger has drawbacks including high costs related to cell growth and maintenance of cell viability. This study presents an innovative one-step multi-enzymatic system for gluconic acid production from starch using Aspergillus niger whole-cells in association with amylolytic enzymes. Using soluble starch as substrate, the following results were achieved for 96 h of reaction: 134.5 ± 4.3 g/L gluconic acid concentration, 98.2 ± 1.3 % gluconic acid yield, and 44.8 ± 1.4 gGA/gwhole-cells biocatalyst yield. Although the process has been developed using starch as raw material, the approach is feasible for any substrate or residue that can be hydrolyzed to glucose.
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Affiliation(s)
| | - Mariane Molina Buffo
- Laboratory of Fermentation Processes, Department of Chemical Engineering, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Marina Del Bianco Sousa
- Laboratory of Fermentation Processes, Department of Chemical Engineering, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Paulo Waldir Tardioli
- Graduate Program in Chemical Engineering, Federal University of São Carlos, São Carlos, SP, Brazil; Laboratory of Enzymatic Processes, Department of Chemical Engineering, Federal University of São Carlos, São Carlos, SP, Brazil.
| | - Alberto Colli Badino
- Graduate Program in Chemical Engineering, Federal University of São Carlos, São Carlos, SP, Brazil; Laboratory of Fermentation Processes, Department of Chemical Engineering, Federal University of São Carlos, São Carlos, SP, Brazil.
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Optimization of a Simultaneous Enzymatic Hydrolysis to Obtain a High-Glucose Slurry from Bread Waste. Foods 2022; 11:foods11121793. [PMID: 35741990 PMCID: PMC9222351 DOI: 10.3390/foods11121793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 11/16/2022] Open
Abstract
Bread and bakery products are among the most discarded food products in the world. This work aims to investigate the potential use of wasted bread to obtain a high-glucose slurry. Simultaneous hydrolysis of wasted bread using α-amylase and glucoamylase was carried out performing liquefaction and saccharification at the same time. This process was compared with a traditional sequential hydrolysis. Temperature and pH conditions were optimized using a response surface design determining viscosity, reducing sugars and glucose concentration during the enzymatic processes. The optimal conditions of pH and temperature in the saccharification stage and the simultaneous hydrolysis were pretty similar. Results show that the slurry produced with simultaneous process had a similar glucose yield at 2 h, and at 4 h a yield higher than that obtained by the sequential method of 4 h and could reduce time and energy.
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Berk B, Cavdaroglu C, Grunin L, Ardelean I, Kruk D, Mazi BG, Oztop MH. Use of magic sandwich echo and fast field cycling NMR relaxometry on honey adulteration with corn syrup. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:2667-2675. [PMID: 34713450 DOI: 10.1002/jsfa.11606] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 10/16/2021] [Accepted: 10/28/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Adulteration is defined as the intentional addition of a material that is not a part of the nature. In this study, a non-conventional time domain nuclear magnetic resonance (TD-NMR) pulse sequence: magic sandwich echo (MSE) was used to detect the adulteration of honey by glucose syrup (GS) and high fructose corn syrup (HFCS) accompanied with T1 and T2 relaxation times. Also, fast field cycling NMR (FFC-NMR) relaxometry and multivariate analysis were performed to investigate the adulteration. RESULTS Higher maltose in GS and changing glucose to water ratio of HFCS gave high correlation with the crystal content values. In HFCS adulteration, two separate populations of protons having different T2 values were detected and T1 times were also used to determine GS adulteration. Addition of GS increased T1 while addition of HFCS increased T2 , significantly. CONCLUSION The results showed that it is possible to differentiate the unadulterated and adulterated honey samples by using TD-NMR relaxation times and crystal content values obtained by the MSE sequence. By FFC-NMR relaxometry, not only GS addition but also the amount of GS was examined. The multivariate analysis technique of principal component analysis was able to distinguish the types of adulterants. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Berkay Berk
- Department of Food Engineering, Middle East Technical University, Ankara, Turkey
| | - Cagri Cavdaroglu
- Department of Food Engineering, Izmir Institute of Technology, Izmir, Turkey
| | - Leonid Grunin
- Resonance Systems GmbH, Kirchheim, Germany
- Physics Department, Volga State University of Technology, Yoshkar-Ola, Russian Federation
| | - Ioan Ardelean
- Department of Physics and Chemistry, Technical University of Cluj-Napoca, Cluj-Napoca, Romania
| | - Danuta Kruk
- Faculty of Food Sciences, Department of Physics and Biophysics, University of Warmia & Mazury in Olsztyn, Olsztyn, Poland
| | - Bekir G Mazi
- Department of Food Engineering, Ordu University, Ordu, Turkey
| | - Mecit H Oztop
- Department of Food Engineering, Middle East Technical University, Ankara, Turkey
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Li X, Chen Z, Huang Z, Long J. Aqueous Isomerization of Glucose to Fructose Catalyzed by Guanidinium Ionic Liquids. ChemistrySelect 2022. [DOI: 10.1002/slct.202103804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xuan Li
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou China 510640
- Zhuhai Institute of Advanced Technology Chinese Academy of Sciences Zhuhai China 519003
| | - Zhengjian Chen
- Zhuhai Institute of Advanced Technology Chinese Academy of Sciences Zhuhai China 519003
| | - Zhechao Huang
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou China 510640
| | - Jinxing Long
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou China 510640
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Hydrothermal Conversion of Fructose to Lactic Acid and Derivatives: Synergies of Metal and Acid/Base Catalysts. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2021.12.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Hu S, Huang J, Huang D, Li P, Tang J, Meng F. Preparation of a bagasse-based solid catalyst loaded with phosphotungstic acid and its catalytic activity in the conversion of monosaccharide. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-021-01846-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Catalyst Replacement Policy on Multienzymatic Systems: Theoretical Study in the One-Pot Sequential Batch Production of Lactofructose Syrup. Catalysts 2021. [DOI: 10.3390/catal11101167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
One-pot systems are an interesting proposal to carry out multi-enzymatic reactions, though this strategy implies establishing an optimal balance between the activity and operability of the involved enzymes. This is crucial for enzymes with marked differences in their operational stability, such as one-pot production of lactofructose syrup from cheese whey permeate, which involves two enzymes—β-galactosidase (β-gal) and glucose isomerase (GI). The aim of this work was to study the behavior of one-pot sequential batch production of lactofructose syrup considering both enzymes immobilized individually, in order to evaluate and design a strategy of replacement of the catalysts according to their stabilities. To this end, the modelling and simulation of the process was carried out, considering simultaneously the kinetics of both reactions and the kinetics of inactivation of both enzymes. For the latter, it was also considered the modulating effect that sugars present in the medium may have on the stability of β-gal, which is the less stable enzyme. At the simulated reaction conditions of 40 °C, pH 7, and 0.46 (IUGI/IUβ-gal), the results showed that considering the stability of β-gal under non-reactive conditions, meaning in absence of the effect of modulation, it is necessary to carry out four replacements of β-gal for each cycle of use of GI. On the other hand, when considering the modulation caused by the sugars on the β-gal stability, the productivity increases up to 23% in the case of the highest modulation factor studied (η = 0.8). This work shows the feasibility of conducting a one-pot operation with immobilized enzymes of quite different operational stability, and that a proper strategy of biocatalyst replacement increases the productivity of the process.
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Composites of Crosslinked Aggregates of Eversa® Transform and Magnetic Nanoparticles. Performance in the Ethanolysis of Soybean Oil. Catalysts 2020. [DOI: 10.3390/catal10080817] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Eversa® Transform 2.0 has been launched to be used in free form, but its immobilization may improve its performance. This work aimed to optimize the immobilization of Eversa® Transform 2.0 by the crosslinked enzyme aggregates (CLEAs) technique, using almost all the available tools to improve its performance. Several variables in the CLEA preparation were optimized to improve the recovered activity, such as precipitant nature and crosslinker concentration. Moreover, some feeders were co-precipitated to improve the crosslinking step, such as bovine serum albumin, soy protein, or polyethyleneimine. Starch (later enzymatically degraded) was utilized as a porogenic agent to decrease the substrate diffusion limitations. Silica magnetic nanoparticles were also utilized to simplify the CLEA handling, but it was found that a large percentage of the Eversa activity could be immobilized on these nanoparticles before aggregation. The best CLEA protocol gave a 98.9% immobilization yield and 30.1% recovered activity, exhibited a porous structure, and an excellent performance in the transesterification of soybean oil with ethanol: 89.8 wt% of fatty acid ethyl esters (FAEEs) yield after 12 h of reaction, while the free enzyme required a 48 h reaction to give the same yield. A caustic polishing step of the product yielded a biodiesel containing 98.9 wt% of FAEEs and a free fatty acids content lower than 0.25%, thus the final product met the international standards for biodiesel. The immobilized biocatalyst could be reused for at least five 12 h-batches maintaining 89.6% of the first-batch yield, showing the efficient catalyst recovery by applying an external magnetic field.
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