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Tohfegar E, Habibi A. Magnetic whole-cell biocatalyst based on intracellular lipases of Candida catenulata as promising technology for green synthesis of epoxy fatty acids. J Biotechnol 2024; 393:117-127. [PMID: 39098744 DOI: 10.1016/j.jbiotec.2024.07.019] [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: 04/15/2024] [Revised: 07/24/2024] [Accepted: 07/31/2024] [Indexed: 08/06/2024]
Abstract
This study focuses on the development a green synthesis of epoxy fatty acids (EFAs) which are commonly used as the plasticizer in polymer industries. The intracellular lipases of Candida catenulata cells as a whole-cell biocatalyst (WCB) were examined in the bio-epoxidation of free fatty acids (FFAs) with hydrogen peroxide. The FFAs in soybean soap stock, an industrial by-product of vegetable oil factories, was used as the feedstock of the process. To remove phosphates from soap stock a degumming process was tested before the bio-epoxidation reaction and results revealed that the EFAs yield was improved using the degummed fatty acids (DFAs). The attachments of magnetic Fe3O4 nanoparticles to the surface of WCBs facilitated the recovery of the biocatalyst, and were improved stabilities. The activation energy for the magnetic whole-cell biocatalysts (MWCB) was 48.54 kJ mol-1, which was lower than the WCB system (51.28 kJ mol-1). The EFA yield was about 47.1 % and 33.8 % after 3 h for the MWCBs and 2 h for the WCBs, respectively. The MWCBs displayed acceptable reusability in the repetitious bio-epoxidation reaction with maintaining 59 % of the original activity after 5 cycles whereas the performance of the WCBs was 5.9 % at the same conditions. The effects of influential factors such as reaction time, molar ratio of H2O2 to CC, and batch and semi-batch operations were investigated for both biocatalyst systems. The quality of EFAs was characterized by FTIR and GC-MS analyses.
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Affiliation(s)
- Elham Tohfegar
- Chemical Engineering Department, Faculty of Engineering, Razi University, Kermanshah, Iran
| | - Alireza Habibi
- Chemical Engineering Department, Faculty of Engineering, Razi University, Kermanshah, Iran.
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2
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Zhu Y, Duan A, Yu Q, Tian S, Zhou Z, Li P, Pan D, Tao H, Zhu Q. Screening bioactive compounds from Fangji Huangqi decoction for treating rheumatoid arthritis via COX-2 magnetic ligand fishing combined with in vivo validation. JOURNAL OF ETHNOPHARMACOLOGY 2024; 337:118725. [PMID: 39222761 DOI: 10.1016/j.jep.2024.118725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 08/11/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fangji Huangqi Decoction (FHD) is a classical Chinese compound formula for treating rheumatoid arthritis (RA) with satisfactory effects. FHD is reputed for its ability to tonify qi with strengthening exterior, and dispel wind while removing dampness, but its mechanisms and bioactive compounds for treating RA remain unclear. AIM OF THE STUDY The aim of this study was to explore the key target and bioactive compounds that were responsible for FHD-mediated improvements in RA. MATERIALS AND METHODS Using network pharmacology, we discovered that cyclooxygenase-2 (COX-2) was the key target of FHD against RA. We utilized a ligand fishing technique with COX-2 immobilized magnetic beads to recognize the bioactive components that act on COX-2. Then we carried out an in vitro assay of COX-2 enzyme inhibition and in vivo assay of carrageenan-induced inflammation and collagen-induced arthritis (CIA) to validate the bioactive effects of these captured ingredients. In the CIA assay, micro-CT, hematoxylin‒eosin staining and safranin-O/fast green staining were employed to assess the influence of the captured ligand on bone damage, pathological injury and cartilage destruction, respectively. Immunohistochemistry (IHC) and enzyme-linked immunosorbent assays (ELISAs) were used to detect the expression of COX-2 target in the ankle joint. interleukin-6 (IL-6) levels in the serum were also detected by ELISA. Molecular docking was used to reveal the binding mechanism of the COX-2 protein and the captured ligand. RESULTS Eleven ligands, including tetrandrine, fangchinoline, cyclanoline, licochalcone B, ononin, calycosin and liquiritin, were specifically bound to the COX-2 protein, as determined by ultrahigh-performance liquid chromatography-mass spectrometry (UPLC-MS), seven of which were present at high levels. One ligand, tetrandrine, not only had a great inhibitory effect on COX-2 enzyme activity but also significantly reduced carrageenan-induced inflammation. In the CIA assay, middle- and high-dose tetrandrine (25 and 50 mg/kg) had effects comparable to those of FHD and celecoxib on ameliorating RA symptoms in CIA mice via the COX-2 target. Furthermore, compared with the low-dose tetrandrine group (12.5 mg/kg), the FHD group exhibited significantly lower arthritis index scores and serum IL-6 expression, although the content of tetrandrine in FHD extract solution was approximately 0.1% of that in the low-dose tetrandrine group. CONCLUSIONS Hence, we inferred that tetrandrine was the main bioactive component responsible for the effects of FHD against RA by suppressing the expression of the COX-2 protein and inhibiting the enzyme catalytic activity of COX-2. The reason for these effects may be that tetrandrine can interact with the residue Tyr385 of COX-2, the enzymatic catalytic site of COX-2 to transform arachidonic acid (AA) to prostaglandin E2 (PGE2), and thereby reduce the production of prostaglandins and inflammatory metabolites. Moreover, in addition to tetrandrine, FHD contains other compounds that could supplement the activity of tetrandrine when FHD was used to treat RA, which is manifested the "multi-component" characteristic of how Traditional Chinese Medicine formulas treat diseases.
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Affiliation(s)
- Yongyan Zhu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou, 510515, PR China
| | - Ao Duan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China
| | - Qianqian Yu
- TCM-Integrated Hospital of Southern Medical University, Guangzhou, 510315, PR China
| | - Shuo Tian
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China
| | - Zishan Zhou
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China
| | - Ping Li
- TCM-Integrated Hospital of Southern Medical University, Guangzhou, 510315, PR China
| | - Dongmei Pan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China
| | - Huaming Tao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou, 510515, PR China
| | - Quanhong Zhu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou, 510515, PR China.
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3
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Waggett A, Pfaendtner J. Hydrophobic Residues Promote Interfacial Activation of Candida rugosa Lipase: A Study of Rotational Dynamics. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 39141441 DOI: 10.1021/acs.langmuir.4c02174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
Microbial lipases constitute a class of biocatalysts with the ability to cleave ester linkages of long-chain triglycerides. This property makes them particularly attractive for industrial applications ranging from food processing to pharmaceutical preparation. Among such enzymes, Candida rugosa lipase (CRL) is one of the most frequently used in biotransformation. A notable feature of CRL, among many lipases, is its propensity for interfacial activation: these enzymes exhibit elevated catalytic rates when acting at the interface between aqueous and hydrophobic phases. Notably, this phenomenon can be attributed to the presence of a mobile lid domain, which in its closed state occludes the enzyme active site. To advance our understanding of interfacial activation, we explore the dynamics of CRL rotation at the octane-water interface in this work. To do so, we employ molecular dynamics and umbrella sampling to evaluate the free energy of rotation of the enzyme at the interface. We identify a global minimum in the rotational landscape that coincides with lid opening at the interface. Additionally, we investigate the role of surface residues outside the lid domain as they serve to instigate rotation of the lid toward the aqueous phase. In doing so, we identify a patch of leucine residues which when mutated to glycine impose a barrier to rotation that maintains the enzyme in the inactive (closed lid) state on the order of 1 μs. Importantly, this study presents a novel quantification of the rotational free energy corresponding to CRL lid opening at the octane-water interface. The accompanying mutagenesis study likewise clarifies the role of hydrophobic surface residues in the transition. As such, this work provides valuable insight into the phenomenon of interfacial activation that might open up new avenues for manipulating the microenvironment of industrially relevant lipases, affording enhanced control over the enzyme state.
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Affiliation(s)
- Ava Waggett
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Jim Pfaendtner
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
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Sáringer S, Terjéki G, Varga Á, Maléth J, Szilágyi I. Optimization of Interfacial Properties Improved the Stability and Activity of the Catalase Enzyme Immobilized on Plastic Nanobeads. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:16338-16348. [PMID: 39066719 PMCID: PMC11308775 DOI: 10.1021/acs.langmuir.4c01508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 07/23/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
The immobilization of catalase (CAT), a crucial oxidoreductase enzyme involved in quenching reactive oxygen species, on colloids and nanoparticles presents a promising strategy to improve dispersion and storage stability while maintaining its activity. Here, the immobilization of CAT onto polymeric nanoparticles (positively (AL) or negatively (SL) charged) was implemented directly (AL) or via surface functionalization (SL) with water-soluble chitosan derivatives (glycol chitosan (GC) and methyl glycol chitosan (MGC)). The interfacial properties were optimized to obtain highly stable AL-CAT, SL-GC-CAT, and SL-MGC-CAT dispersions, and confocal microscopy confirmed the presence of CAT in the composites. Assessment of hydrogen peroxide decomposition ability revealed that applying chitosan derivatives in the immobilization process not only enhanced colloidal stability but also augmented the activity and reusability of CAT. In particular, the use of MGC has led to significant advances, indicating its potential for industrial and biomedical applications. Overall, the findings highlight the advantages of using chitosan derivatives in CAT immobilization processes to maintain the stability and activity of the enzyme as well as provide important data for the development of processable enzyme-based nanoparticle systems to combat reactive oxygen species.
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Affiliation(s)
- Szilárd Sáringer
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary
| | - Gergő Terjéki
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary
| | - Árpád Varga
- MTA-SZTE
Lendület Epithelial Cell Signaling and Secretion Research Group,
Interdisciplinary Excellence Centre, University
of Szeged, H-6720 Szeged, Hungary
| | - József Maléth
- MTA-SZTE
Lendület Epithelial Cell Signaling and Secretion Research Group,
Interdisciplinary Excellence Centre, University
of Szeged, H-6720 Szeged, Hungary
| | - István Szilágyi
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary
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5
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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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7
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Batool I, Imran M, Anwar A, Khan FA, Mohammed AE, Shami A, Iqbal H. Enzyme-triggered approach to reduce water bodies' contamination using peroxidase-immobilized ZnO/SnO 2/alginate nanocomposite. Int J Biol Macromol 2024; 254:127900. [PMID: 37931863 DOI: 10.1016/j.ijbiomac.2023.127900] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/08/2023]
Abstract
Enzyme immobilization on solid support offers advantages over free enzymes by overcoming characteristic limitations. To synthesize new stable and hyperactive nano-biocatalysts (co-precipitation method), ginger peroxidase (GP) was surface immobilized (adsorption) on ZnO/SnO2 and ZnO/SnO2/SA nanocomposite with immobilization efficacy of 94 % and 99 %, respectively. Thereafter, catalytic and biochemical characteristics of free and immobilized GP were investigated by deploying various techniques, i.e., FTIR, PXRD, SEM, and PL. Diffraction peaks emerged at 2θ values of 26°, 33°, 37°, 51°, 31°, 34°, 36°, 56°, indicating the formation of SnO2 and ZnO. The OH stretching of the H2O molecules was attributed to broad peaks between 3200 and 3500 cm-1, whereas ZnO/SnO2 spikes occurred in the 1626-1637 cm-1 range. SnO stretching mode and ZnO terminal vibrational patterns have been verified at corresponding wavelengths of 625 cm-1 and 560 cm-1. Enzyme entrapment onto substrate was verified via interactions between GP and ZnO/SnO2/SA as corroborated by signals beneath 1100 cm-1. GP-immobilized fractions were optimally active at pH 5, 50 °C, and retained maximum activity after storage of 4 weeks at -4 °C. Kinetic parameters were determined by using a Lineweaver-Burk plot and Vmax for free GP, ZnO/SnO2/GP and ZnO/SnO2/SA/GP with guaiacol as a substrate, were found to be 322.58, 49.01 and 11.45 (μM/min) respectively. A decrease in values of Vmax and KM indicates strong adsorption of peroxidase on support and maximum affinity between nano support and enzyme, respectively. For environmental remediation, free ginger peroxidase (GP), ZnO/SnO2/GP and ZnO/SnO2/SA/GP fractions effectively eradicated highly intricate dye. Multiple scavengers had a significant impact on the depletion of the dye. In conclusion, ZnO/SnO2 and ZnO/SnO2/SA nanostructures comprise an ecologically acceptable and intriguing carrier for enzyme immobilization.
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Affiliation(s)
- Iqra Batool
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Muhammad Imran
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
| | - Ayesha Anwar
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Farhan Ahmed Khan
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Pakistan
| | - Afrah E Mohammed
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Ashwag Shami
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Hafiz Iqbal
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia.
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8
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Kanprakobkit W, Wichai U, Bunyapraphatsara N, Kielar F. Isolation of Fatty Acids from the Enzymatic Hydrolysis of Capsaicinoids and Their Use in Enzymatic Acidolysis of Coconut Oil. J Oleo Sci 2023; 72:1097-1111. [PMID: 37989304 DOI: 10.5650/jos.ess23112] [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] [Indexed: 11/23/2023] Open
Abstract
Herein we report the optimization of enzymatic hydrolysis of a mixture of capsaicinoids, capsaicin and dihydrocapsaicin obtained from chili peppers, and the utilization of the isolated fatty acids for the modification of coconut oil using enzyme catalyzed acidolysis. This work was carried out as the fatty acids that can be isolated from capsaicinoid hydrolysis have been shown to possess interesting biological properties. These biological properties could be better exploited by incorporating the fatty acids into a suitable delivery vehicle. The enzymatic hydrolysis of the mixture of capsaicin and dihydrocapsaicin was carried out using Novozym® 435 in phosphate buffer (pH 7.0) at 50℃. The enzyme catalyst could be reused in multiple cycles of the hydrolysis reaction. The desired 8-methyl-6-trans-nonenoic acid and 8-methylnonanoic acid were isolated from the hydrolysis reaction mixture using a simple extraction procedure with a 47.8% yield. This was carried out by first extracting the reaction mixture at pH 10 with ethyl acetate to remove any dissolved capsaicinoids and vanillyl amine side product. The fatty acids were isolated after adjustment of the pH of the reaction mixture to 5 and second extraction with ethyl acetate. The acidolysis of coconut oil with the obtained fatty acids was performed using Lipozyme® TL IM. The performance of the acidolysis reaction was evaluated using 1H-NMR spectroscopy and verified in selected cases using gas chromatography. The best performing conditions involved carrying out the acidolysis reaction at 60℃ with a 1.2 w/w ratio of the fatty acids to coconut oil and 10% enzyme loading for 72 h. This resulted in the incorporation of 26.61% and 9.86% of 8-methyl-6-trans-nonenoic acid and 8-methylnonanoic acid, respectively, into the modified coconut oil product. This product can act as a potential delivery vehicle for these interesting compounds.
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Affiliation(s)
- Winranath Kanprakobkit
- Department of Chemistry and Center of Excellence in Biomaterials, Faculty of Science, Naresuan University
| | - Uthai Wichai
- Department of Chemistry and Center of Excellence in Biomaterials, Faculty of Science, Naresuan University
| | | | - Filip Kielar
- Department of Chemistry and Center of Excellence in Biomaterials, Faculty of Science, Naresuan University
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9
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Cocuzza C, Antoniono E, Ottone C, Cauda V, Fino D, Piumetti M. Preparation of a Mesoporous Biosensor for Human Lactate Dehydrogenase for Potential Anticancer Inhibitor Screening. ACS Biomater Sci Eng 2023; 9:6045-6057. [PMID: 37856794 PMCID: PMC10646870 DOI: 10.1021/acsbiomaterials.3c00582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 09/28/2023] [Indexed: 10/21/2023]
Abstract
Cancer is the second leading cause of death worldwide, with a dramatic impact due to the acquired resistance of cancers to used chemotherapeutic drugs and treatments. The enzyme lactate dehydrogenase (LDH-A) is responsible for cancer cell proliferation. Recently the development of selective LDH-A inhibitors as drugs for cancer treatment has been reported to be an efficient strategy aiming to decrease cancer cell proliferation and increase the sensitivity to traditional chemotherapeutics. This study aims to obtain a stable and active biocatalyst that can be utilized for such drug screening purposes. It is conceived by adopting human LDH-A enzyme (hLDH-A) and investigating different immobilization techniques on porous supports to achieve a stable and reproducible biosensor for anticancer drugs. The hLDH-A enzyme is covalently immobilized on mesoporous silica (MCM-41) functionalized with amino and aldehyde groups following two different methods. The mesoporous support is characterized by complementary techniques to evaluate the surface chemistry and the porous structure. Fluorescence microscopy analysis confirms the presence of the enzyme on the support surface. The tested immobilizations achieve yields of ≥80%, and the best retained activity of the enzyme is as high as 24.2%. The optimal pH and temperature of the best immobilized hLDH-A are pH 5 and 45 °C for the reduction of pyruvate into lactate, while those for the free enzyme are pH 8 and 45 °C. The stability test carried out at 45 °C on the immobilized enzyme shows a residual activity close to 40% for an extended time. The inhibition caused by NHI-2 is similar for free and immobilized hLDH-A, 48% and 47%, respectively. These findings are significant for those interested in immobilizing enzymes through covalent attachment on inorganic porous supports and pave the way to develop stable and active biocatalyst-based sensors for drug screenings that are useful to propose drug-based cancer treatments.
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Affiliation(s)
- Clarissa Cocuzza
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Elena Antoniono
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Carminna Ottone
- Escuela
de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2085, Valparaíso 2340000, Chile
| | - Valentina Cauda
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Debora Fino
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Marco Piumetti
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
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10
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Hosseini H, Abdouss M, Golshekan M. Hydroxyapatite Incorporated with Fe 3O 4@MCM-41 Core-Shell: A Promising Nanocomposite for Teriparatide Delivery in Bone Tissue Regeneration. ACS OMEGA 2023; 8:41363-41373. [PMID: 37970037 PMCID: PMC10633862 DOI: 10.1021/acsomega.3c04931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/15/2023] [Accepted: 10/06/2023] [Indexed: 11/17/2023]
Abstract
This article presents a comprehensive study of the development of a novel nanocomposite comprising core-shell Fe3O4@MCM-41 with superparamagnetic properties and hydroxyapatite (HAp). The nanocomposite serves as a pH-responsive nanocarrier, offering an efficient injectable dosage for teriparatide (PTH (1-34)) delivery. The aim is to address the limitations associated with drug-induced side effects, precautionary measures, and frequent injections. The nanocomposites, as prepared, were characterized using techniques including X-ray diffraction, Fourier transform infrared, zeta potential, dynamic light scattering, VSM, scanning electron microscopy, and transmission electron microscopy. The nanocomposites' average crystallite diameter was determined to be 27 ± 5 nm. The hydrodynamic size of the PTH (1-34)-loaded nanocarrier ranged from 357 to 495 nm, with a surface charge of -33 mV. The entrapment and loading efficiencies were determined to be 73% and 31%, respectively. All of these findings collectively affirm successful fabrication. Additionally, in vivo medication delivery was investigated using the HPLC method, mirroring the in vitro tests. Utilizing the dialysis approach, we demonstrated sustained-release behavior. PTH (1-34) diffusion increased as the pH decreased from 7.4 to 5.6. After 24 h, drug release was higher at acidic pH (88%) compared to normal pH (43%). The biocompatibility of the PTH (1-34)-loaded nanocarrier was assessed using the MTT assay employing the NIH3T3 and HEK-293 cell lines. The results demonstrated that the nanocarrier not only exhibited nontoxicity but also promoted cell proliferation and differentiation. In the in vivo test, the drug concentration reached 505 μg within 30 min of exposure to the magnetic field. Based on these findings, the Fe3O4@MCM-41/HAp/PTH (1-34) nanocomposite, in combination with a magnetic field, offers an efficient and biocompatible approach to enhance the therapeutic effect of osteogenesis and overcome drug limitations.
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Affiliation(s)
- Hamid
Reza Hosseini
- Department
of Biomedical Engineering, Central Tehran Branch, Islamic Azad University, Tehran 13185/768, Iran
| | - Majid Abdouss
- Department
of Chemistry, Amirkabir University of Technology, P.O. Box: 15875-4413, Tehran 1591634311, Iran
| | - Mostafa Golshekan
- Guilan
Road Trauma Research Center, Guilan University
of Medical Sciences, Rasht 13111-41937, Iran
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11
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Fan X, Zhang P, Fan M, Jiang P, Leng Y. Effect of Glutaraldehyde Multipoint Covalent Treatments on Immobilized Lipase for Hydrolysis of Acidified Oil. Appl Biochem Biotechnol 2023; 195:6942-6958. [PMID: 36951940 DOI: 10.1007/s12010-023-04477-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2023] [Indexed: 03/24/2023]
Abstract
Immobilized lipase is a green and sustainable catalyst for hydrolysis of acidified oil. Glutaraldehyde is widely used for lipase immobilization while the appropriate strategy optimizes the catalytic performance of lipase. In this research, lipase from Candida rugosa (CRL) was immobilized on spherical silica (SiO2) by glutaraldehyde multipoint covalent treatments, including covalent binding method and adsorption-crosslinking method. The enzymatic stability properties and performance in hydrolysis of refined oil and acidified oil were studied. We confirmed that the residual activity decreased while the stability increased because of the influence on secondary structure of lipase after multipoint covalent treatments. In the comparison of different immobilization strategies in multipoint covalent treatment, SiO2-CRL (covalent binding method) showed lower loading capacity than SiO2-CRL (adsorption-crosslinking method), resulting in low activity. However, SiO2-CRL (covalent binding method) showed better reusability and stability. Immobilized lipase via covalent binding method was more potential in the application of catalytic hydrolysis of acidified oils.
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Affiliation(s)
- Xiulin Fan
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Pingbo Zhang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China.
| | - Mingming Fan
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Pingping Jiang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Yan Leng
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
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12
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Costa IO, Morais JRF, de Medeiros Dantas JM, Gonçalves LRB, Dos Santos ES, Rios NS. Enzyme immobilization technology as a tool to innovate in the production of biofuels: A special review of the Cross-Linked Enzyme Aggregates (CLEAs) strategy. Enzyme Microb Technol 2023; 170:110300. [PMID: 37523882 DOI: 10.1016/j.enzmictec.2023.110300] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 07/19/2023] [Accepted: 07/24/2023] [Indexed: 08/02/2023]
Abstract
This review emphasizes the crucial role of enzyme immobilization technology in advancing the production of two main biofuels, ethanol and biodiesel, with a specific focus on the Cross-linked Enzyme Aggregates (CLEAs) strategy. This method of immobilization has gained attention due to its simplicity and affordability, as it does not initially require a solid support. CLEAs synthesis protocol includes two steps: enzyme precipitation and cross-linking of aggregates using bifunctional agents. We conducted a thorough search for papers detailing the synthesis of CLEAs utilizing amylases, cellulases, and hemicellulases. These key enzymes are involved in breaking down starch or lignocellulosic materials to produce ethanol, both in first and second-generation processes. CLEAs of lipases were included as these enzymes play a crucial role in the enzymatic process of biodiesel production. However, when dealing with large or diverse substrates such as lignocellulosic materials for ethanol production and oils/fats for biodiesel production, the use of individual enzymes may not be the most efficient method. Instead, a system that utilizes a blend of enzymes may prove to be more effective. To innovate in the production of biofuels (ethanol and biodiesel), enzyme co-immobilization using different enzyme species to produce Combi-CLEAs is a promising trend.
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Affiliation(s)
- Isabela Oliveira Costa
- Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | | | | | | | | | - Nathália Saraiva Rios
- Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil.
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13
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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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14
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Pal N, Chakraborty D, Cho EB, Seo JG. Recent Developments on the Catalytic and Biosensing Applications of Porous Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2184. [PMID: 37570502 PMCID: PMC10420944 DOI: 10.3390/nano13152184] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/19/2023] [Accepted: 07/19/2023] [Indexed: 08/13/2023]
Abstract
Nanoscopic materials have demonstrated a versatile role in almost every emerging field of research. Nanomaterials have come to be one of the most important fields of advanced research today due to its controllable particle size in the nanoscale range, capacity to adopt diverse forms and morphologies, high surface area, and involvement of transition and non-transition metals. With the introduction of porosity, nanomaterials have become a more promising candidate than their bulk counterparts in catalysis, biomedicine, drug delivery, and other areas. This review intends to compile a self-contained set of papers related to new synthesis methods and versatile applications of porous nanomaterials that can give a realistic picture of current state-of-the-art research, especially for catalysis and sensor area. Especially, we cover various surface functionalization strategies by improving accessibility and mass transfer limitation of catalytic applications for wide variety of materials, including organic and inorganic materials (metals/metal oxides) with covalent porous organic (COFs) and inorganic (silica/carbon) frameworks, constituting solid backgrounds on porous materials.
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Affiliation(s)
- Nabanita Pal
- Department of Physics and Chemistry, Mahatma Gandhi Institute of Technology, Gandipet, Hyderabad 500075, India;
| | - Debabrata Chakraborty
- Institute for Applied Chemistry, Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
| | - Eun-Bum Cho
- Institute for Applied Chemistry, Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
| | - Jeong Gil Seo
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
- Clean-Energy Research Institute, Hanyang University, Seoul 04763, Republic of Korea
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15
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Wei X, Kang J, Gan L, Wang W, Yang L, Wang D, Zhong R, Qi J. Recent Advances in Co 3O 4-Based Composites: Synthesis and Application in Combustion of Methane. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1917. [PMID: 37446434 DOI: 10.3390/nano13131917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023]
Abstract
In recent years, it has been found that adjusting the organizational structure of Co3O4 through solid solution and other methods can effectively improve its catalytic performance for the oxidation of low concentration methane. Its catalytic activity is close to that of metal Pd, which is expected to replace costly noble metal catalysts. Therefore, the in-depth research on the mechanism and methods of Co3O4 microstructure regulation has very important academic value and economic benefits. In this paper, we reviewed the catalytic oxidation mechanism, microstructure regulation mechanism, and methods of nano-Co3O4 on methane gas, which provides reference for the development of high-activity Co3O4-based methane combustion catalysts. Through literature investigation, it is found that the surface energy state of nano-Co3O4 can be adjusted by loading of noble metals, resulting in the reduction of Co-O bond strength, thus accelerating the formation of reactive oxygen species chemical bonds, and improving its catalytic effect. Secondly, the use of metal oxides and non-metallic oxide carriers helps to disperse and stabilize cobalt ions, improve the structural elasticity of Co3O4, and ultimately improve its catalytic performance. In addition, the performance of the catalyst can be improved by adjusting the microstructure of the composite catalyst and optimizing the preparation process. In this review, we summarize the catalytic mechanism and microstructure regulation of nano-Co3O4 and its composite catalysts (embedded with noble metals or combined with metallic and nonmetallic oxides) for methane combustion. Notably, this review delves into the substance of measures that can be used to improve the catalytic performance of Co3O4, highlighting the constructive role of components in composite catalysts that can improve the catalytic capacity of Co3O4. Firstly, the research status of Co3O4 composite catalyst is reviewed in this paper. It is hoped that relevant researchers can get inspiration from this paper and develop high-activity Co3O4-based methane combustion catalyst.
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Affiliation(s)
- Xinfang Wei
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Jiawei Kang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Lin Gan
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Wei Wang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Lin Yang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Dijia Wang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Ruixia Zhong
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Jian Qi
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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16
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Wan GZ, Ma XH, Jin L, Chen J. Fabrication of a Magnetic Porous Organic Polymer for α-Glucosidase Immobilization and Its Application in Inhibitor Screening. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:5239-5249. [PMID: 37014629 DOI: 10.1021/acs.langmuir.2c02979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The technology based on immobilized enzymes was employed to screen the constituents inhibiting disease-related enzyme activity from traditional Chinese medicine, which is expected to become an important approach of innovative drug development. Herein, the Fe3O4@POP composite with a core-shell structure was constructed for the first time with Fe3O4 magnetic nanoparticles as the core, 1,3,5-tris (4-aminophenyl) benzene (TAPB) and 2,5-divinylterephthalaldehyde (DVA) as organic monomers, and used as the support for immobilizing α-glucosidase. Fe3O4@POP was characterized by transmission electron microscopy, energy-dispersive spectrometry, Fourier transform infrared, powder X-ray diffraction, X-ray photoelectron spectroscopy, and vibrating sample magnetometry. Fe3O4@POP exhibited a distinct core-shell structure and excellent magnetic response (45.2 emu g-1). α-Glucosidase was covalently immobilized on core-shell Fe3O4@POP magnetic nanoparticles using glutaraldehyde as the cross-linking agent. The immobilized α-glucosidase possessed improved pH stability and thermal stability as well as good storage stability and reusability. More importantly, the immobilized enzyme exhibited a lower Km value and enhanced affinity for the substrate than the free one. The immobilized α-glucosidase was subsequently used for inhibitor screening from 18 traditional Chinese medicines in combination with capillary electrophoresis analysis among which Rhodiola rosea exhibited the highest enzyme inhibitory activity. These positive results demonstrated that such magnetic POP-based core-shell nanoparticles were a promising carrier for enzyme immobilization and the screening strategy based on immobilized enzyme provided an effective way to rapidly explore the targeted active compounds from medicinal plants.
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Affiliation(s)
- Guang-Zhen Wan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Xiao-Hui Ma
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Ling Jin
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Juan Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
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17
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Liu WX, Zhou WN, Song S, Zhao YG, Lu Y. Preparation and Characterization of Nano-Fe 3O 4 and Its Application for C18-Functionalized Magnetic Nanomaterials Used as Chromatographic Packing Materials. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1111. [PMID: 36986005 PMCID: PMC10058610 DOI: 10.3390/nano13061111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/11/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
A new type of magnetic nanomaterial with Fe3O4 as the core and organic polymer as the shell was synthesized by seed emulsion polymerization. This material not only overcomes the problem of insufficient mechanical strength of the organic polymer, it also solves the problem that Fe3O4 is prone to oxidation and agglomeration. In order to make the particle size of Fe3O4 meet the requirement of the seed, the solvothermal method was used to prepare Fe3O4. The effects of the reaction time, amount of solvent, pH value, and polyethylene glycol (PEG) on the particle size of Fe3O4 were investigated. In addition, in order to accelerate the reaction rate, the feasibility of preparing Fe3O4 by microwave was studied. The results showed that under the optimum conditions, the particle size of Fe3O4 could reach 400 nm and had good magnetic properties. After three stages of oleic acid coating, seed emulsion polymerization, and C18 modification, the obtained C18-functionalized magnetic nanomaterials were used for the preparation of the chromatographic column. Under optimal conditions, stepwise elution significantly shortened the elution time of sulfamethyldiazine, sulfamethazine, sulfamethoxypyridazine, and sulfamethoxazole while still achieving a baseline separation.
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Affiliation(s)
- Wen-Xin Liu
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China; (W.-X.L.); (S.S.)
- College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
| | - Wei-Na Zhou
- College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
| | - Shuang Song
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China; (W.-X.L.); (S.S.)
| | - Yong-Gang Zhao
- College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
| | - Yin Lu
- College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
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18
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Souza-Gonçalves J, Fialho A, Soares CMF, Osório NM, Ferreira-Dias S. Continuous Production of Dietetic Structured Lipids Using Crude Acidic Olive Pomace Oils. Molecules 2023; 28:molecules28062637. [PMID: 36985609 PMCID: PMC10054457 DOI: 10.3390/molecules28062637] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/15/2023] Open
Abstract
Crude olive pomace oil (OPO) is a by-product of olive oil extraction. In this study, low-calorie structured triacylglycerols (TAGs) were produced by acidolysis of crude OPO with medium-chain fatty acids (caprylic, C8:0; capric, C10:0) or interesterification with their ethyl ester forms (C8EE, C10EE). These new TAGs present long-chain fatty acids (L) at position sn-2 and medium-chain fatty acids (M) at positions sn-1,3 (MLM). Crude OPO exhibited a high acidity (12.05–28.75% free fatty acids), and high contents of chlorophylls and oxidation products. Reactions were carried out continuously in a packed-bed bioreactor for 70 h, using sn-1,3 regioselective commercial immobilized lipases (Thermomyces lanuginosus lipase, Lipozyme TL IM; and Rhizomucor miehei lipase, Lipozyme RM IM), in solvent-free media at 40 °C. Lipozyme RM IM presented a higher affinity for C10:0 and C10EE. Lipozyme TL IM preferred C10:0 over C8:0 but C8EE over C10EE. Both biocatalysts showed a high activity and operational stability and were not affected by OPO acidity. The New TAG yields ranged 30–60 and the specific productivity ranged 0.96–1.87 g NewTAG/h.g biocatalyst. Lipozyme RM IM cost is more than seven-fold the Lipozyme TL IM cost. Therefore, using Lipozyme TL IM and crude acidic OPO in a continuous bioreactor will contribute to process sustainability for structured lipid production by lowering the cost of the biocatalyst and avoiding oil refining.
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Affiliation(s)
- Joana Souza-Gonçalves
- Instituto Superior de Agronomia, Universidade de Lisboa, LEAF—Linking Landscape, Environment, Agriculture and Food—Research Center, Associated Laboratory TERRA, 1349-017 Lisbon, Portugal
- Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - Arsénio Fialho
- Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
- iBB—Institute for Bioengineering and Biosciences and i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, 1049-001 Lisbon, Portugal
| | - Cleide M. F. Soares
- Institute of Technology and Research (ITP), Avenida Murilo Dantas 300—Farolandia, Aracaju 49032-490, Brazil
- Tiradentes University (UNIT), Avenida Murilo Dantas 300—Farolandia, Aracaju 49032-490, Brazil
| | - Natália M. Osório
- Instituto Politécnico de Setúbal, Escola Superior de Tecnologia do Barreiro, 2839-001 Lavradio, Portugal
- Instituto Superior de Agronomia, Universidade de Lisboa, Centro de Estudos Florestais, Associated Laboratory TERRA, 1349-017 Lisbon, Portugal
| | - Suzana Ferreira-Dias
- Instituto Superior de Agronomia, Universidade de Lisboa, LEAF—Linking Landscape, Environment, Agriculture and Food—Research Center, Associated Laboratory TERRA, 1349-017 Lisbon, Portugal
- Instituto Superior de Agronomia, Universidade de Lisboa, Laboratório de Estudos Técnicos, 1349-017 Lisbon, Portugal
- Correspondence:
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19
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Qin Z, Li Y, Feng N, Fei X, Tian J, Xu L, Wang Y. Modulating the performance of lipase-hydrogel microspheres in a "micro water environment". Colloids Surf B Biointerfaces 2023; 223:113171. [PMID: 36739676 DOI: 10.1016/j.colsurfb.2023.113171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 01/24/2023]
Abstract
In our previous work, we successfully stimulated lipase activity in an anhydrous reaction system using porous polyacrylamide hydrogel microsphere (PPAHM) as a carrier of lipase and free water. However, the effect of the existence state and content of water in lipase-porous polyacrylamide hydrogel microsphere (L-PPAHM) on the interfacial activation remained unclear. In this work, L-PPAHM with different water contents were obtained by water mist rehydration and were used to catalyze the synthesis of conjugated linoleic acid ethyl ester (CLA-EE). The results revealed that there were three existence states of water in L-PPAHM: bound water, semi-bound water and free water, and free water provided the "micro water environment" for the interfacial activation of lipase. The reusability of L-PPAHM with different water contents showed that the activity and stability of L-PPAHM could be achieved by varying the water content of L-PPAHM. The proportion of free water in L-PPAHM increased, and the activity of L-PPAHM increased, but the strength of hydrogen bond interaction between PPAHM and lipase weakened, resulting in the decrease of stability. L-PPAHM with 2/3 of water absorption could ensure sufficient immobilized lipase activity and stability, and its water absorption property could reduce the free water generated during esterification, thus increasing the yield of CLA-EE.
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Affiliation(s)
- Zhengqiang Qin
- 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
| | - Nuan Feng
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China; School of Biological 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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20
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Suo H, Geng H, Zhang L, Liu G, Yan H, Cao R, Zhu J, Hu Y, Xu L. Covalent immobilization of lipase on an ionic liquid-functionalized magnetic Cu-based metal-organic framework with boosted catalytic performance in flavor ester synthesis. J Mater Chem B 2023; 11:1302-1311. [PMID: 36651865 DOI: 10.1039/d2tb02246j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Enzymatic esterification plays an important role in the fields of chemistry and biotechnology. In this study, lipase was immobilized on an ionic liquid (IL)-modified magnetic metal-organic framework (MOF) and used to synthesize isoamyl acetate. The immobilized lipase (PPL-ILs/Fe3O4@MOF) showed 2.1-fold and 1.8-fold higher activity compared to the free and immobilized lipase without ILs (PPL-Fe3O4@MOF), respectively. In addition, the anti-denaturant ability and reusability of the PPL-ILs/Fe3O4@MOF were also higher than those of other samples. The ester yield reached 75.1% when the biocatalyst was used to synthesize isoamyl acetate in hexane. The synthesized supports supplied a good microenvironment for the immobilized lipase through multiple interactions. Results of the structural analysis showed that the conformation state of lipase molecules changed after immobilization. The magnetism of the prepared biocatalyst makes it easy to recycle so that PPL-ILs/Fe3O4@MOF maintained 70.2% of the initial activity after eight cycles. The prepared composite materials exhibited good potential in lipase immobilization with enhanced catalytic ability and stability.
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Affiliation(s)
- Hongbo Suo
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Huining Geng
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Lu Zhang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Guoyun Liu
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Hui Yan
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Rui Cao
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Jiahao Zhu
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
| | - Yi Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China.
| | - Lili Xu
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, 252059, China.
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21
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Singh A, Yadav SK. Immobilization of L-ribose isomerase on the surface of activated mesoporous MCM41 and SBA15 for the synthesis of L-ribose. J Biotechnol 2023; 362:45-53. [PMID: 36592665 DOI: 10.1016/j.jbiotec.2022.12.010] [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: 06/13/2022] [Revised: 12/22/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022]
Abstract
A hexagonal mesoporous molecular sieve-like structure of MCM41 and SBA15 with a large surface area was used to immobilize protein L-ribose isomerase (L-RI) through covalent linkages. The amino group of APTES functionalized nanosilica support MCM41 and SBA15 interacted with glutaraldehyde to promote bidentate linkage and on other side with amino group of enzyme. The use of mesoporous silica matrix for immobilization was observed to conserve the distinctive properties of the protein. The various operational conditions optimized for covalent conjugation of protein with the silica support were found to be dependent on enzyme support ratio, immobilization temperature and time. The immobilization yield of L-RI on MCM41 and SBA15 was achieved to be 60 % (600 mg enzyme /g matrix) and 45 % (450 mg enzyme/g matrix), respectively under the optimized conditions. The immobilized biocatalyst was characterized by various analytical techniques like HR-TEM, EDS, FTIR, TGA and BET. Effects of different experimental conditions were optimized to study enzyme kinetics, pH, temperature, bioconversion, reusability, metal ion effect and storage stability. The biocatalytic efficiency (kcat/Km) was increased by 1.2 fold on immobilization with the catalytic activity of 39.64 IU. Increase in the catalytic efficiency after immobilization could be due to the suitable orientation of enzyme active site and improved accessibility for substrate binding. The immobilization of L-RI on mesoporous silica support could improve the biocatalytic activity, storage stability and reusability. The immobilized biocatalyst was found to be reusable for more than 4 cycles retaining more than 50 % of catalytic activity and promoting the synthesis of a rare sugar L-ribose from L-ribulose with a conversion yield of 22 % in 2 h time.
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Affiliation(s)
- Aishwarya Singh
- Center of Innovative and Applied Bioprocessing (CIAB), Sector 81, Knowledge City, Mohali 140306, India; Regional Center for Biotechnology (RCB), Faridabad, Haryana 121001, India
| | - Sudesh Kumar Yadav
- Center of Innovative and Applied Bioprocessing (CIAB), Sector 81, Knowledge City, Mohali 140306, India; Regional Center for Biotechnology (RCB), Faridabad, Haryana 121001, India.
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22
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Immobilization of Lipase on the Graphene Oxides Magnetized with NiFe2O4 Nanoparticles for Biodiesel Production from Microalgae Lipids. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.01.012] [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: 01/18/2023]
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23
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Liu X, Li X, Bai Y, Zhou X, Chen L, Qiu C, Lu C, Jin Z, Long J, Xie Z. Enhanced Stability of β-Agarase Immobilized on Streptavidin-Coated Fe 3O 4 Nanoparticles: Effect of Biotin Linker Length. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c03071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Xuewu Liu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Xingfei Li
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Yuxiang Bai
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Xing Zhou
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Long Chen
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Chao Qiu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Cheng Lu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Bioengineering, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
| | - Zhengyu Jin
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Jie Long
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
| | - Zhengjun Xie
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi214122, China
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24
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Synthesis and Characterization of Magnetic Poly(STY-EGDMA) Particles for Application as Biocatalyst Support in Octyl Oleate Ester Synthesis: Kinetic and Thermodynamic Parameters and Mathematical Modeling. Catal Letters 2022. [DOI: 10.1007/s10562-022-04234-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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25
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Taghizadeh SM, Ghoshoon MB, Ghasemi Y, Dehshahri A, Berenjian A, Ebrahiminezhad A. Efficiency of magnetic immobilization for recombinant Pichia pastoris cells harvesting over consecutive production cycles. SEP SCI TECHNOL 2022. [DOI: 10.1080/01496395.2022.2121725] [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: 10/14/2022]
Affiliation(s)
- Seyedeh-Masoumeh Taghizadeh
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Younes Ghasemi
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Dehshahri
- Department of Pharmaceutical Biotechnology, School of Pharmacy, and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Aydin Berenjian
- School of Engineering, Faculty of Science and Engineering, the University of Waikato, Shiraz, Hamilton, New Zealand
- Department of Agricultural and Biological Engineering, 221 Agricultural Engineering Building, Pennsylvania State University, University Park, PA, USA
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26
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Dong L, Chen G, Liu G, Huang X, Xu X, Li L, Zhang Y, Wang J, Jin M, Xu D, Abd El-Aty AM. A review on recent advances in the applications of composite Fe 3O 4 magnetic nanoparticles in the food industry. Crit Rev Food Sci Nutr 2022; 64:1110-1138. [PMID: 36004607 DOI: 10.1080/10408398.2022.2113363] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Fe3O4 magnetic nanoparticles (MNPs) have attracted tremendous attention due to their superparamagnetic properties, large specific surface area, high biocompatibility, non-toxicity, large-scale production, and recyclability. More importantly, numerous hydroxyl groups (-OH) on the surface of Fe3O4 MNPs can provide coupling sites for various modifiers, forming versatile nanocomposites for applications in the energy, biomedicine, and environmental fields. With the development of science and technology, the potential of nanotechnology in the food industry has also gradually become prominent. However, the application of composite Fe3O4 MNPs in the food industry has not been systematically summarized. Herein, this article reviews composite Fe3O4 MNPs, including their properties, modifications, and physical functions, as well as their applications in the entire food industry from production to processing, storage, and detection. This review lays a solid foundation for promoting food innovation and improving food quality and safety.
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Affiliation(s)
- Lina Dong
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - Ge Chen
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - Guangyang Liu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - Xiaodong Huang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - XiaoMin Xu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - Lingyun Li
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - Yanguo Zhang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - Jing Wang
- Institute of Quality Standard and Testing Technology for Agri-Produc-Product Quality and Safety, Ministry of Agriculture Rural Affairs China, Beijing, PR China
| | - Maojun Jin
- Institute of Quality Standard and Testing Technology for Agri-Produc-Product Quality and Safety, Ministry of Agriculture Rural Affairs China, Beijing, PR China
| | - Donghui Xu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control; Laboratory of Quality and Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing, PR China
| | - A M Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, Erzurum, Turkey
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27
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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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28
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Domingues O, Remonatto D, dos Santos LK, Galán JPM, Flumignan DL, de Paula AV. Evaluation of Candida rugosa Lipase Immobilized on Magnetic Nanoparticles in Enzymatic/Chemical Hydroesterification for Biodiesel Production. Appl Biochem Biotechnol 2022; 194:5419-5442. [DOI: 10.1007/s12010-022-04046-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 11/02/2022]
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29
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Ren D, Jiang S, Fu L, Wang Z, Zhang S, Zhang X, Gong X, Chen W. Laccase immobilized on amino-functionalized magnetic Fe 3O 4-SiO 2 core-shell material for 2,4-dichlorophenol removal. ENVIRONMENTAL TECHNOLOGY 2022; 43:2697-2711. [PMID: 33621162 DOI: 10.1080/09593330.2021.1895323] [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: 12/01/2020] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
In this study, an amino-functionalized magnetic silica microsphere material (Fe3O4-SiO2-NH2) was prepared. Using glutaraldehyde as a cross-linking agent, Trametes versicolor laccase was adsorbed-covalently bonded and immobilized on the material to prepare Laccase @ Fe3O4-SiO2. In addition, the materials were characterized and analysed by SEM, TEM, XRD, FT-IR and VSM. Finally, the thermal inactivation dynamics of immobilized laccase in polar/non-polar/toxic systems and the adsorption and degradation of 2,4-DCP were studied. The results showed that Laccase @ Fe3O4-SiO2 under the optimal conditions (pH 6, temperature 65°C, initial concentration of 2,4-DCP 10 mg/L), the removal rate was as high as 81.6%. Moreover, compared with free laccase, immobilized laccase had good tolerance under low pH and high-temperature conditions, and storage stability was also greatly improved. After repeated use for 7 times, Laccase @ Fe3O4-SiO2 can still maintain 59% removal rate of 2,4-DCP, which gives it the potential for industrial applications.
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Affiliation(s)
- Dajun Ren
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Shan Jiang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Linjun Fu
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Zhaobo Wang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Shuqin Zhang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Xiaoqing Zhang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Xiangyi Gong
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
| | - Wangsheng Chen
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, People's Republic of China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, People's Republic of China
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Shirvandi Z, Rostami A, Ghorbani-Choghamarani A. Magnetic mesocellular foams with nickel complexes: as efficient and reusable nanocatalysts for the synthesis of symmetrical and asymmetrical diaryl chalcogenides. NANOSCALE ADVANCES 2022; 4:2208-2223. [PMID: 36133448 PMCID: PMC9419205 DOI: 10.1039/d1na00822f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/03/2022] [Indexed: 06/15/2023]
Abstract
In this work, magnetic mesocellular foam (M-MCF) silica nanoparticles were prepared via inserting magnetic nanoparticles into the pores of mesocellular foams, the inner surface of which was functionalized with a methionine-nickel complex (M-MCF@Met-Ni). The structure of the as-prepared nanocatalysts was studied by FT-IR spectroscopy, BET, TGA, VSM, SEM, HR-TEM, EDS, WDX, XRD, and ICP-OES techniques. Thereafter, this nanocatalyst was used as a new, effective, and magnetically reusable catalyst for C-S and C-Se bond formation under mild conditions. All corresponding products were prepared with good yields and appropriate turnover number (TON) and turnover frequency (TOF), which reveals the high activity of this magnetic nanocatalyst in both reactions. In addition, the recovery and hot filtration tests indicated that this catalyst could be simply separated from the reaction mixture using an outside magnet and reused five consecutive times without any significant loss of its catalyst activity or metal leaching.
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Affiliation(s)
- Zeinab Shirvandi
- Department of Chemistry, Faculty of Science, University of Kurdistan Zip Code 66177-15175 Sanandaj Iran
| | - Amin Rostami
- Department of Chemistry, Faculty of Science, University of Kurdistan Zip Code 66177-15175 Sanandaj Iran
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31
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Immobilized glucosyltransferase and sucrose synthase on Fe3O4@Uio-66 in cascade catalysis for the one-pot conversion of rebaudioside D from rebaudioside A. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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32
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Maroa S, Inambao F. A review of sustainable biodiesel production using biomass derived heterogeneous catalysts. Eng Life Sci 2021; 21:790-824. [PMID: 34899118 PMCID: PMC8638282 DOI: 10.1002/elsc.202100025] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/22/2021] [Accepted: 06/24/2021] [Indexed: 12/22/2022] Open
Abstract
The production of biodiesel through chemical production processes of transesterification reaction depends on suitable catalysts to hasten the chemical reactions. Therefore, the initial selection of catalysts is critical although it is also dependent on the quantity of free fatty acids in a given sample of oil. Earlier forms of biodiesel production processes relied on homogeneous catalysts, which have undesirable effects such as toxicity, high flammability, corrosion, by-products such as soap and glycerol, and high wastewater. Heterogeneous catalysts overcome most of these problems. Recent developments involve novel approaches using biomass and bio-waste resource derived heterogeneous catalysts. These catalysts are renewable, non-toxic, reusable, offer high catalytic activity and stability in both acidic and base conditions, and show high tolerance properties to water. This review work critically reviews biomass-based heterogeneous catalysts, especially those utilized in sustainable production of biofuel and biodiesel. This review examines the sustainability of these catalysts in literature in terms of small-scale laboratory and industrial applications in large-scale biodiesel and biofuel production. Furthermore, this work will critically review natural heterogeneous biomass waste and bio-waste catalysts in relation to upcoming nanotechnologies. Finally, this work will review the gaps identified in the literature for heterogeneous catalysts derived from biomass and other biocatalysts with a view to identifying future prospects for heterogeneous catalysts.
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Affiliation(s)
- Semakula Maroa
- College of Agriculture Science and EngineeringDiscipline of Mechanical EngineeringGreen Energy GroupUniversity of KwaZulu‐NatalDurbanSouth Africa
| | - Freddie Inambao
- College of Agriculture Science and EngineeringDiscipline of Mechanical EngineeringGreen Energy GroupUniversity of KwaZulu‐NatalDurbanSouth Africa
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33
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Almeida FLC, Castro MPJ, Travália BM, Forte MBS. Erratum to “Trends in lipase immobilization: Bibliometric review and patent analysis” [Process Biochem. 110 (2021) 37–51]. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.10.012] [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: 12/01/2022]
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34
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Paixão MVG, da Silva Fernandes R, de Souza EA, de Carvalho Balaban R. Thermal energy storage technology to control rheological properties of drilling fluid. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116931] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Almeida FLC, Castro MPJ, Travália BM, Forte MBS. Trends in lipase immobilization: Bibliometric review and patent analysis. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.07.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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36
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Pourhasan-Kisomi R, Golshekan M, Shirini F. Fe₃O4@MCM@ZrCI₂: A Practical Magnetic Mesoporous Zirconium-Based Nanocomposite as a Reusable Catalyst for the Synthesis of Spirooxindoles. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:5765-5775. [PMID: 33980391 DOI: 10.1166/jnn.2021.19495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the present study, we aimed to investigate the catalytic role of the newly reported MCM-41 -based nanocomposite in which the low acidity of this mesoporous moiety was favourably improved via the stabilization of zirconium nanoparticles and was magnetized to make a facile work-up procedure as an applicable and efficient method. The prepared Fe₃O₄@MCM-41 @ZrCI₂ nanocomposite was successfully characterized using different analyses and then it was favourably exploited for the synthesis of spirooxindoles as the most prominent spiro compounds. As predicted, Fe₃O₄@MCM- 41 @ZrCI₂ showed considerable efficiency in the promotion of the studied reaction.
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Affiliation(s)
| | - Mostafa Golshekan
- Guilan Road Trauma Research Center, Guilan University of Medical Sciences, Rasht, 41937-13111, Iran
| | - Farhad Shirini
- Department of Chemistry, College of Sciences, University of Guilan, Rasht, 41335-19141, Iran
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37
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Gong L, Xiu Y, Dong J, Han R, Xu G, Ni Y. Sustainable one-pot chemo-enzymatic synthesis of chiral furan amino acid from biomass via magnetic solid acid and threonine aldolase. BIORESOURCE TECHNOLOGY 2021; 337:125344. [PMID: 34098500 DOI: 10.1016/j.biortech.2021.125344] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/24/2021] [Accepted: 05/26/2021] [Indexed: 06/12/2023]
Abstract
Sustainable synthesis of valuable noncanonical amino acids from renewable feedstocks is of great importance. Here, a feasible chemo-enzymatic procedure was developed for the synthesis of chiral β-(2-furyl)serine from biomass catalyzed by a solid acid catalyst and immobilized E. coli whole-cell harboring l-threonine aldolase. A novel magnetic solid acid catalyst Fe3O4@MCM-41/SO42- was successfully synthesized for conversion of corncob into furfural in an aqueous system. Under the optimum conditions, furfural yield of 63.6% was achieved in 40 min at 180 ℃ with 2.0% catalyst (w/w). Furthermore, biomass-derived furfural was converted into an aldol-addition product β-(2-furyl)serine with 73.6% yield, 99% ee and 20% de by immobilized cells in 6 h. The magnetic solid acid and biocatalyst can be readily recovered and efficiently reused for five consecutive cycles without significant loss on product yields. This chemo-enzymatic route can be attractive for producing noncanonical amino acids from biomass.
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Affiliation(s)
- Lei Gong
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Institute of Urban & Rural Mining, National & Local Joint Engineering Research Center on High Efficient Biorefinery and High Quality Utilization of Biomass, Changzhou University, Changzhou 213164, Jiangsu, China
| | - Yuansong Xiu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Jinjun Dong
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Danyang Jindanyang Winery Industry Co., Ltd., Danyang 212300, Jiangsu, China
| | - Ruizhi Han
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Guochao Xu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Ye Ni
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China.
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38
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39
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Performance of Candida rugosa lipase supported on nanocellulose-silica-reinforced polyethersulfone membrane for the synthesis of pentyl valerate: Kinetic, thermodynamic and regenerability studies. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111852] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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40
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Wang JZ, Wu CK, Yan CH, Chen H, You S, Sheng S, Wu FA, Wang J. Nutritional targeting modification of silkworm pupae oil catalyzed by a smart hydrogel immobilized lipase. Food Funct 2021; 12:6240-6253. [PMID: 34128015 DOI: 10.1039/d1fo00913c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
To prepare a nutritional supplement using silkworm pupae oil (SPO) as a feedstock, a microfluidic reactor with a smart hydrogel immobilized lipase was first constructed to reduce the relative content of palmitic acid at sn-1,3 and improve the nutritional function. The effects of flow rate, reaction temperature, and substrate molar ratio were investigated. In vitro digestion and pH-stat models were employed to analyze the digestion feature after the modification of SPO, while HPLC-ELSD, zeta potential, DSC, and TGA were used to evaluate the nutritional function. The relative content of "OOO" and "OPO" type triglycerides was increased by 49.48% and 107.67%, and that of palmitic acid at sn-1,3 was decreased by 49.61% in 10 s. After the verification of the in vitro digestion model, the fatty acid release rate of the modified SPO was significantly improved by 22.07%, indicating the nutritional function improvement of SPO. Therefore, the nutritional function of SPO has been improved successfully by the application of a microchannel reactor with photo-immobilized lipase, which could set a reference for the utilization of insect oil resources.
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Affiliation(s)
- Jin-Zheng Wang
- Jiangsu Key Laboratory Sericutural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China.
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41
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Ding SS, Zhu JP, Wang Y, Yu Y, Zhao Z. Recent progress in magnetic nanoparticles and mesoporous materials for enzyme immobilization: an update. BRAZ J BIOL 2021; 82:e244496. [PMID: 34190805 DOI: 10.1590/1519-6984.244496] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 11/20/2020] [Indexed: 11/22/2022] Open
Abstract
Enzymes immobilized onto substrates with excellent selectivity and activity show a high stability and can withstand extreme experimental conditions, and their performance has been shown to be retained after repeated uses. Applications of immobilized enzymes in various fields benefit from their unique characteristics. Common methods, including adsorption, encapsulation, covalent attachment and crosslinking, and other emerging approaches (e.g., MOFs) of enzyme immobilization have been developed mostly in recent years. In accordance with these immobilization methods, the present review elaborates the application of magnetic separable nanoparticles and functionalized SBA-15 and MCM-41 mesoporous materials used in the immobilization of enzymes.
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Affiliation(s)
- S-S Ding
- Jiangsu University of Science and Technology, School of Grain Science and Technology, Zhenjiang, P.R. China
| | - J-P Zhu
- Jiangsu University of Science and Technology, School of Grain Science and Technology, Zhenjiang, P.R. China
| | - Y Wang
- Jiangsu University of Science and Technology, School of Grain Science and Technology, Zhenjiang, P.R. China
| | - Y Yu
- Jiangsu University of Science and Technology, School of Grain Science and Technology, Zhenjiang, P.R. China
| | - Z Zhao
- Jiangsu University of Science and Technology, School of Grain Science and Technology, Zhenjiang, P.R. China
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42
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Pourhasan Kisomi R, Shirini F, Golshekan M. Fe
3
O
4
@MCM‐41@ZrCl
2
: A novel magnetic mesoporous nanocomposite catalyst including zirconium nanoparticles for the synthesis of 1‐(benzothiazolylamino)phenylmethyl‐2‐naphthols. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Farhad Shirini
- Department of Chemistry, College of Sciences University of Guilan Rasht Iran
| | - Mostafa Golshekan
- Medical Biotechnology Research center, School of Paramedicine Guilan University of Medical Sciences Rasht Iran
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43
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Immobilization of α-amylase on modified magnetic zeolite (MAZE) coated with carboxymethyl cellulose (CMC) composite and its properties. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111214] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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44
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Acyl migration occurrence of palm olein during interesterification catalyzed by sn-1,3 specific lipase. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111023] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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45
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Ternary biogenic silica/magnetite/graphene oxide composite for the hyperactivation of Candida rugosa lipase in the esterification production of ethyl valerate. Enzyme Microb Technol 2021; 148:109807. [PMID: 34116744 DOI: 10.1016/j.enzmictec.2021.109807] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/16/2021] [Accepted: 04/20/2021] [Indexed: 02/07/2023]
Abstract
Oil palm leaves (OPL) silica (SiO2) can replace the energy-intensive, commercially produced SiO2. Moreover, the agronomically sourced biogenic SiO2 is more biocompatible and cost-effective enzyme support, which properties could be improved by the addition of magnetite (Fe3O4) and graphene oxide (GO) to yield better ternary support to immobilize enzymes, i.e., Candida rugosa lipase (CRL). This study aimed to optimize the Candida rugosa lipase (CRL immobilization onto the ternary OPL-silica-magnetite (Fe3O4)-GO (SiO2/Fe3O4/GO) support, for use as biocatalyst for ethyl valerate (EV) production. Notably, this is the first study detailing the CRL/SiO2/Fe3O4/GO biocatalyst preparation for rapid and high yield production of ethyl valerate (EV). AFM and FESEM micrographs revealed globules of CRL covalently bound to GL-A-SiO2/Fe3O4/GO; similar to Raman and UV-spectroscopy results. FTIR spectra revealed amide bonds at 3478 cm-1 and 1640 cm-1 from covalent interactions between CRL and GL-A-SiO2/Fe3O4/GO. Optimum immobilization conditions were 4% (v/v) glutaraldehyde, 8 mg/mL CRL, at 16 h stirring in 150 mM NaCl at 30 °C, offering 24.78 ± 0.26 mg/g protein (specific activity = 65.24 ± 0.88 U/g). The CRL/SiO2/Fe3O4/GO yielded 77.43 ± 1.04 % of EV compared to free CRL (48.75 ± 0.70 %), verifying the suitability of SiO2/Fe3O4/GO to hyperactivate and stabilize CRL for satisfactory EV production.
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46
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Immobilized Candida antarctica lipase B (CALB) on functionalized MCM-41: Stability and catalysis of transesterification of soybean oil and phytosterol. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.100906] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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47
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Cipolatti EP, Rios NS, Sousa JS, Robert JDM, da Silva AAT, Pinto MC, Simas ABC, Vilarrasa-García E, Fernandez-Lafuente R, Gonçalves LRB, Freire DMG, Manoel EA. Synthesis of lipase/silica biocatalysts through the immobilization of CALB on porous SBA-15 and their application on the resolution of pharmaceutical derivatives and on nutraceutical enrichment of natural oil. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111529] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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48
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Engelmann JI, Peres PP, Igansi AV, Monte ML, Pohndorf RS, Cadaval TRS, Crexi VT, Pinto LAA. Structured lipids of swine lard and oils from byproducts of skipjack tuna and of common carp. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Jênifer I. Engelmann
- Industrial Technology Laboratory, School of Chemistry and Food Federal University of Rio Grande – FURG Rio Grande Brazil
| | - Patrick P. Peres
- Industrial Technology Laboratory, School of Chemistry and Food Federal University of Rio Grande – FURG Rio Grande Brazil
| | - Andrei V. Igansi
- Industrial Technology Laboratory, School of Chemistry and Food Federal University of Rio Grande – FURG Rio Grande Brazil
| | - Micheli L. Monte
- Industrial Technology Laboratory, School of Chemistry and Food Federal University of Rio Grande – FURG Rio Grande Brazil
| | - Ricardo S. Pohndorf
- Department of Agroindustrial Science and Technology Federal University of Pelotas Pelotas Brazil
| | - Tito R. S. Cadaval
- Department of Agroindustrial Science and Technology Federal University of Pelotas Pelotas Brazil
| | - Valéria T. Crexi
- Laboratory of Food Engineering Federal University of Pampa– UNIPAMPA Bage Brazil
| | - Luiz A. A. Pinto
- Industrial Technology Laboratory, School of Chemistry and Food Federal University of Rio Grande – FURG Rio Grande Brazil
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49
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Enzymatically Modified Fats Applied in Emulsions Stabilized by Polysaccharides. Biomolecules 2020; 11:biom11010049. [PMID: 33396507 PMCID: PMC7824501 DOI: 10.3390/biom11010049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 12/27/2020] [Accepted: 12/28/2020] [Indexed: 11/17/2022] Open
Abstract
The subject of the study was emulsions based on enzymatically modified fats and stabilized with polysaccharides (xanthan gum and scleroglucan). Emulsion oil phases (blends of mutton tallow and hemp seed oil in a ratio of 3:1, 3:2, 3:3, 2:3 and 1:3) were characterized in the terms of acid value, melting point and mono- and diacylglycerols content before and after the modification. Emulsions containing modified fat blends and various amount (0.6, 0.8 and 1.0% w/w) of polysaccharides were investigated in the terms of their color, rheological properties, microstructure, droplet size and stability. The obtained results confirmed that enzymatic modification allowed to produce new fats, which can successfully be applied as an emulsion oil phases equipped with a sufficient amount of emulsifiers. The use of a variable amount of texture modifier in the proposed formulations did not show clear differences in the stability of the systems. Therefore, it does not seem justified to use greater amounts of a modifier (above 0.6% w/w) in this type of emulsions. The proposed formulations could be of interest to the cosmetics, food or pharmaceutical industry.
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50
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Baf MMF, Akhlaghinia B, Zarei Z, Ghodsinia SSE. Ecofriendly and Facile One‐Pot Multicomponent Synthesis of 5‐Phenyl‐5,10‐dihydropyrido[2,3‐d : 6,5‐d′]dipyrimidine‐2,4,6,8(1
H
,3
H
,7
H
,9
H
)‐tetraone Derivatives Catalyzed by Cu
II
Immobilized on Functionalized Magnetic Mesoporous MCM‐41 (Fe
3
O
4
@MCM‐41‐GPTMS‐Gu‐Cu
II
). ChemistrySelect 2020. [DOI: 10.1002/slct.202004112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Batool Akhlaghinia
- Department of Chemistry Faculty of Science Ferdowsi University of Mashhad Mashhad 9177948974 Iran
| | - Zeinab Zarei
- Department of Chemistry Faculty of Science Ferdowsi University of Mashhad Mashhad 9177948974 Iran
| | - Sara S. E. Ghodsinia
- Department of Chemistry Faculty of Science Ferdowsi University of Mashhad Mashhad 9177948974 Iran
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