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Bessoni Kosctiuk J, Ribeiro Neto ME, Alcoforado Pereira G, Krieger N, Zambelli Mezalira D, Pilissão C. A Multicomponent Mannich Reaction Catalyzed by Hydrolases Immobilized on Titanate Nanotubes. Chempluschem 2024; 89:e202300698. [PMID: 38242852 DOI: 10.1002/cplu.202300698] [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: 11/28/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/21/2024]
Abstract
This study presents an innovative method for synthesizing β-amino carbonylated compounds, specifically 2-[phenyl(phenylamino)methyl] cyclohexanone, achieving high conversions and diastereomeric ratios. Using trypsin or α-chymotrypsin in both free and immobilized forms on titanate nanotubes (NtsTi), synthesized through alkaline hydrothermal methods, successful immobilization yields were attained. Notably, α-chymotrypsin, when free, displayed a diastereoselective synthesis of the anti-isomer with 97 % conversion and 16 : 84 (syn : anti) diastereomeric ratio, which slightly decreased upon immobilization on NtsTi. Trypsin, in its free form, exhibited diastereoselective recognition of the syn-isomer, while immobilization on NtsTi (trypsin/NtsTi) led to an inversion of diastereomeric ratio. Both trypsin/NtsTi and α-chymotrypsin/NtsTi demonstrated significant catalytic efficiency over five cycles. In conclusion, NtsTi serves as an effective support for trypsin and α-chymotrypsin immobilization, presenting promising prospects for diastereoselective synthesis and potential industrial applications. Furthermore, it offers promising prospects for the diastereoselective synthesis of 2-[phenyl(phenylamino)methyl] cyclohexanone through multicomponent Mannich reaction and future industrial application.
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Affiliation(s)
- Juliane Bessoni Kosctiuk
- Department of Chemistry and Biology, Federal University Technological of Paraná, 81280-340, Curitiba, PR, Brazil
| | - Matheus Enrique Ribeiro Neto
- Department of Chemistry and Biology, Federal University Technological of Paraná, 81280-340, Curitiba, PR, Brazil
| | - Gabriela Alcoforado Pereira
- Department of Chemistry and Biology, Federal University Technological of Paraná, 81280-340, Curitiba, PR, Brazil
| | - Nadia Krieger
- Department of Chemistry, Federal University of Paraná, 81531-980, Curitiba, PR, Brazil
| | | | - Cristiane Pilissão
- Department of Chemistry and Biology, Federal University Technological of Paraná, 81280-340, Curitiba, PR, Brazil
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Pedro KCNR, da Silva JVV, Cipolatti EP, Manoel EA, Campisano ISP, Henriques CA, Langone MAP. Adsorption of lipases on porous silica-based materials for esterification in a solvent-free system. 3 Biotech 2023; 13:380. [PMID: 37900269 PMCID: PMC10600090 DOI: 10.1007/s13205-023-03801-x] [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: 04/01/2023] [Accepted: 10/03/2023] [Indexed: 10/31/2023] Open
Abstract
This study deals with lipase immobilization on micro- and mesoporous silica-based materials. The effects of the type of support (silica MCM-41, zeolite HZSM-5 (SAR 25), zeolite HZSM-5 (SAR 280), and the silica-aluminas Siral 10, Siral 20, and Siral 40) were investigated on the immobilization of lipase B from Candida antarctica (CALB) and lipase from Rhizomucor miehei (RML). The supports that allowed the highest immobilization efficiencies for the CALB were Siral 40 (91.4%), HZSM-5 (SAR 280) (90.6%), and MCM-41 (89.4%). Siral 20 allowed the highest immobilization efficiency for RML (97.6%), followed by HZSM-5 (SAR 25) (77.1%) and HZSM-5 (SAR 280) (62.7%). The effect of protein concentration on lipase immobilization was investigated, and the results adjusted well on the Langmuir isotherm model (R2 > 0.9). The maximum protein adsorption capacity of the support determined by the Langmuir model was equal to 10.64 and 20.97 mgprotein gsupport-1 for CALB and RML, respectively. The effects of pH (pH 7.0 and pH 11.0) and phosphate buffer solution concentration (5 and 100 mmol L-1) were also investigated on lipase immobilization. The immobilization efficiency for both lipases was similar for the different pH values. The use of 100 mmol L-1 phosphate buffer decreased the lipase immobilization efficiency. The biocatalysts (CALB-Siral 40 and RML-Siral 20) were tested in the ethyl oleate synthesis. The conversion of 61.7% was obtained at 60 °C in the reaction catalyzed by CALB-Siral 40. Both heterogeneous biocatalysts showed increased thermal stability compared with their free form. Finally, the reuse of the biocatalysts was studied. CALB-Siral 40 and RML-Siral 20 maintained about 30% of the initial conversion after 3 batches of ethyl oleate synthesis. Silica-aluminas (Siral 20 and 40) proved to be a support that allowed a high efficiency of immobilization of lipases and activity for esterification reaction.
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Affiliation(s)
- Kelly C N R Pedro
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - João V V da Silva
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - Eliane P Cipolatti
- Departamento de Engenharia Química, Instituto de Tecnologia, Universidade Federal Rural Do Rio de Janeiro, Rodovia BR 465, Km 07- Zona Rural, 23890-000 Seropédica, RJ Brasil
| | - Evelin A Manoel
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Do Rio de Janeiro (UFRJ), 21941-170 Rio de Janeiro, RJ Brasil
| | - Ivone S P Campisano
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - Cristiane A Henriques
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - Marta A P Langone
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
- Instituto Federal de Educação, Ciência e Tecnologia Do Rio de Janeiro, Rua Senador Furtado, 121, 20260-100 Rio de Janeiro, RJ Brasil
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Alagöz D, Toprak A, Varan NE, Yildirim D, Tükel SS. Effective immobilization of lactate dehydrogenase onto mesoporous silica. Biotechnol Appl Biochem 2022; 69:2550-2560. [PMID: 34962677 DOI: 10.1002/bab.2304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 12/08/2021] [Indexed: 12/27/2022]
Abstract
This study presents that covalent immobilization technique has been utilized for the immobilization of l-lactate dehydrogenase (l-LDH) from porcine on mesoporous silica. To develop mesoporous silica as support material for use in l-LDH immobilization, the particle surfaces were functionalized with 3-aminopropyltrimethoxysilane and further conjugated with glutaraldehyde. The effect of some parameters such as glutaraldehyde concentration, immobilization pH, initial enzyme concentration, and immobilization time was investigated and the optimum conditions for these parameters were determined as 1% (w/v), pH 8.0, 1 mg/ml, and 120 min, respectively. The maximum working pH and temperature for the oxidation of lactate to pyruvate reaction were determined as 10.0 and 35°C for free and 9.0 and 40°C for immobilized l-LDH, respectively. The kinetic parameters (Km and Vmax ) of l-LDH for the oxidation of lactate to pyruvate reaction were examined as 1.02 mM and 7.58 U/mg protein for free and 0.635 mM and 1.7 U/mg protein for immobilized l-LDH, respectively. Moreover, the immobilized l-LDH was 1.3-fold more stable than free l-LDH at 25°C according to calculated t1/2 values. The immobilized l-LDH retained 80% of its initial activity in a batch reactor after 14 reuses.
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Affiliation(s)
- Dilek Alagöz
- Imamoglu Vocational School, Cukurova University, Adana, Turkey
| | - Ali Toprak
- Acigol Vocational School, Nevsehir Haci Bektas Veli University, Nevsehir, Turkey
| | - Nazlı Ece Varan
- Chemistry Department, Sciences & Letters Faculty, Cukurova University, Adana, Turkey
| | - Deniz Yildirim
- Chemical Engineering Department, Ceyhan Engineering Faculty, Cukurova University, Adana, Turkey
| | - S Seyhan Tükel
- Chemistry Department, Sciences & Letters Faculty, Cukurova University, Adana, Turkey
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Valorization of Waste Cooking Oil into Biodiesel via Bacillus stratosphericus Lipase Amine-Functionalized Mesoporous SBA-15 Nanobiocatalyst. INTERNATIONAL JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1155/2022/7899996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In this study, evaporation-induced self-assembly was applied to prepare amine-functionalized nano-silica (NH2-Pr-SBA-15). That was simply used to immobilize Bacillus stratosphericus PSP8 lipase (E–NH2–Pr-SBA-15), producing a nanobiocatalyst with good stability under vigorous shaking and a maximum lipase activity of 45 ± 2 U/mL. High-resolution X-ray diffractometer, Fourier transform infrared spectroscopy, N2 adsorption-desorption, field-emission scanning electron, and high-resolution transmission electron microscopic analyses proved the successful SBA-15 functionalization and enzyme immobilization. Response surface methodology based on a 1/2 fraction-three-levels face center composite design was applied to optimize the biodiesel transesterification process. This expressed efficient percentage conversion (97.85%) and biodiesel yield (97.01%) under relatively mild operating conditions: 3.12 : 1 methanol to oil ratio, 3.08 wt.% E–NH2–Pr-SBA-15 loading, 48.6°C, 3.19 h at a mixing rate of 495.53 rpm. E–NH2–Pr-SBA-15 proved to have a long lifetime, operational stability, and reusability.
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Baron AM, Rodrigues RDS, Sante LGG, Kister JMDM, do Nascimento VMG, Bail A. Metal-organic framework based on iron and terephthalic acid as a multiporous support for lipase Burkholderia lata LBBIO-BL02 and its potential for biocatalysis. BIOCATAL BIOTRANSFOR 2022. [DOI: 10.1080/10242422.2022.2068371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Alessandra Machado Baron
- Universidade Tecnológica Federal do Paraná (UTFPR), Coordenação de Licenciatura em Química (COLIQ), Apucarana, Brazil
| | - Ricardo de Sousa Rodrigues
- Universidade Tecnológica Federal do Paraná (UTFPR), Coordenação de Licenciatura em Química (COLIQ), Apucarana, Brazil
| | - Luis Guilherme Giannina Sante
- Grupo de Química de Materiais e Tecnologias Sustentáveis (GQMATS), Universidade Tecnológica Federal do Paraná (UTFPR), Londrina, Brazil
| | - Jocácia Muriele de Miranda Kister
- Grupo de Química de Materiais e Tecnologias Sustentáveis (GQMATS), Universidade Tecnológica Federal do Paraná (UTFPR), Londrina, Brazil
| | - Valéria Marta Gomes do Nascimento
- Universidade Estadual de São Paulo (Unesp), Departamento de Ciências Biológicas, Laboratório de Bioquímica e Bioprocessos, Assis, Brazil
| | - Alesandro Bail
- Grupo de Química de Materiais e Tecnologias Sustentáveis (GQMATS), Universidade Tecnológica Federal do Paraná (UTFPR), Londrina, Brazil
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May KL, Pham AC, Ramirez G, Herrera-Hidalgo C, Naeem Iqbal M, Robert-Nicoud G, Clulow AJ, Bengtsson T, Boyd BJ. Towards mesoporous silica as a pharmaceutical treatment for obesity - impact on lipid digestion and absorption. Eur J Pharm Biopharm 2022; 173:1-11. [DOI: 10.1016/j.ejpb.2022.02.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 01/22/2022] [Accepted: 02/02/2022] [Indexed: 11/04/2022]
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Budhiraja M, Ali A, Tyagi V. First biocatalytic synthesis of piperidine derivatives via an immobilized lipase-catalyzed multicomponent reaction. NEW J CHEM 2022. [DOI: 10.1039/d1nj06232h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A robust and reusable biocatalyst was constructed via immobilization of lipase onto magnetic halloysite nanotubes for the synthesis of piperidine derivatives.
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Affiliation(s)
- Meenakshi Budhiraja
- School of chemistry and Biochemistry Thapar institute of engineering and technology (TIET), Patiala, Punjab, India
| | - Amjad Ali
- School of chemistry and Biochemistry Thapar institute of engineering and technology (TIET), Patiala, Punjab, India
| | - Vikas Tyagi
- School of chemistry and Biochemistry Thapar institute of engineering and technology (TIET), Patiala, Punjab, India
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Pragya, Sharma KK, Kumar A, Singh D, Kumar V, Singh B. Immobilized phytases: an overview of different strategies, support material, and their applications in improving food and feed nutrition. Crit Rev Food Sci Nutr 2021; 63:5465-5487. [PMID: 34965785 DOI: 10.1080/10408398.2021.2020719] [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: 10/19/2022]
Abstract
Phytases are the most widely used food and feed enzymes, which aid in nutritional improvement by reducing anti-nutritional factor. Despite the benefits, enzymes usage in the industry is restricted by several factors such as their short life-span and poor reusability, which result in high costs for large-scale utilization at commercial scale. Furthermore, under pelleting conditions such as high temperatures, pH, and other factors, the enzyme becomes inactive due to lesser stability. Immobilization of phytases has been suggested as a way to overcome these limitations with improved performance. Matrices used to immobilize phytases include inorganic (Hydroxypatite, zeolite, and silica), organic (Polyacrylamide, epoxy resins, alginate, chitosan, and starch agar), soluble matrix (Polyvinyl alcohol), and nanomaterials including nanoparticles, nanofibers, nanotubes. Several surface analysis methods, including thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), and FTIR analysis, have been used to characterize immobilized phytase. Immobilized phytases have been used in a broad range of biotechnological applications such as animal feed, biodegradation of food phytates, preparations of myo-inositol phosphates, and sulfoxidation by vanadate-substituted peroxidase. This article provides information on different matrices used for phytase immobilization from the last two decades, including the process of immobilization and support material, surface analysis techniques, and multifarious biotechnological applications of the immobilized phytases.
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Affiliation(s)
- Pragya
- Laboratory of Bioprocess Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Krishna Kant Sharma
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Anil Kumar
- Department of Botany, Pt. N.R.S. Govt. College, Rohtak, India
| | - Davender Singh
- Department of Physics, RPS Degree College, Mahendergarh, India
| | - Vijay Kumar
- Department of Botany, Shivaji College, University of Delhi, New Delhi, India
| | - Bijender Singh
- Laboratory of Bioprocess Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
- Department of Biotechnology, Central University of Haryana, Jant-Pali, India
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Kujawa J, Głodek M, Li G, Al-Gharabli S, Knozowska K, Kujawski W. Highly effective enzymes immobilization on ceramics: Requirements for supports and enzymes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149647. [PMID: 34467928 DOI: 10.1016/j.scitotenv.2021.149647] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/27/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Enzyme immobilization is a well-known method for the improvement of enzyme reusability and stability. To achieve very high effectiveness of the enzyme immobilization, not only does the method of attachment need to be optimized, but the appropriate support must be chosen. The essential necessities addressed to the support applied for enzyme immobilization can be focused on the material features as well as on the stability and resistances in certain conditions. Ceramic membranes and nanoparticles are the most widespread supports for enzyme immobilization. Hence, the immobilization of enzymes on ceramic membrane and nanoparticles are summarized and discussed. The important properties of the supports are particle size, pore structure, active surface area, volume to surface ratio, type and number of reactive available groups, as well as thermal, mechanical, and chemical stability. The modifiers and the crosslinkers are crucial to the enzyme loading amount, the chemical and physical stability, and the reusability and catalytical activity of the immobilized enzymes. Therefore, the chemical and physical methods of modification of ceramic materials are presented. The most popular and used modifiers (e.g. APTES, CPTES, VTES) as well as activating agents (GA, gelatin, EDC and/or NHS) applied to the grafting process are discussed. Moreover, functional groups of enzymes are presented and discussed since they play important roles in the enzyme immobilization via covalent bonding. The enhanced physical, chemical, and catalytical properties of immobilized enzymes are discussed revealing the positive balance between the effectiveness of the immobilization process, preservation of high enzyme activity, its good stability, and relatively low cost.
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Affiliation(s)
- Joanna Kujawa
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Marta Głodek
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Guoqiang Li
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Samer Al-Gharabli
- Pharmaceutical and Chemical Engineering Department, German-Jordanian University, Amman 11180, Jordan
| | - Katarzyna Knozowska
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Wojciech Kujawski
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland.
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Jacob AG, Wahab RA, Misson M. Operational Stability, Regenerability, and Thermodynamics Studies on Biogenic Silica/Magnetite/Graphene Oxide Nanocomposite-Activated Candida rugosa Lipase. Polymers (Basel) 2021; 13:polym13213854. [PMID: 34771409 PMCID: PMC8587300 DOI: 10.3390/polym13213854] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/02/2021] [Accepted: 11/02/2021] [Indexed: 11/24/2022] Open
Abstract
Inorganic biopolymer-based nanocomposites are useful for stabilizing lipases for enhanced catalytic performance and easy separation. Herein, we report the operational stability, regenerability, and thermodynamics studies of the ternary biogenic silica/magnetite/graphene oxide nanocomposite (SiO2/Fe3O4/GO) as a support for Candida rugosa lipase (CRL). The X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), field-electron scanning electron microscopy (FESEM), vibrating sample magnetometry (VSM), and nitrogen adsorption/desorption data on the support and biocatalyst corroborated their successful fabrication. XPS revealed the Fe3O4 adopted Fe2+ and Fe3+ oxidation states, while XRD data of GO yielded a peak at 2θ = 11.67°, with the SiO2/Fe3O4/GO revealing a high surface area (≈261 m2/g). The fourier transform infrared (FTIR) spectra affirmed the successful fabricated supports and catalyst. The half-life and thermodynamic parameters of the superparamagnetic immobilized CRL (CRL/SiO2/Fe3O4/GO) improved over the free CRL. The microwave-regenerated CRL/SiO2/Fe3O4/GO (≈82%) exhibited higher catalytic activity than ultrasonic-regenerated (≈71%) ones. Lower activation (Ea) and higher deactivation energies (Ed) were also noted for the CRL/SiO2/Fe3O4/GO (13.87 kJ/mol, 32.32 kJ/mol) than free CRL (15.26 kJ/mol, 27.60 kJ/mol). A peak at 4.28 min in the gas chromatograph-flame ionization detection (GC-FID) chromatogram of the purified ethyl valerate supported the unique six types of 14 hydrogen atoms of the ester (CAS: 539-82-2) in the proton nuclear magnetic resonance (1H-NMR) data. The results collectively demonstrated the suitability of SiO2/Fe3O4/GO in stabilizing CRL for improved operational stability and thermodynamics and permitted biocatalyst regenerability.
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Affiliation(s)
- Adikwu Gowon Jacob
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia;
- Department of Applied Chemistry, Federal University Dutsin-Ma (FUDMA), Dutsin-Ma P.M.B. 5001, Katsina State, Nigeria
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
| | - Roswanira Abdul Wahab
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia;
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
- Correspondence: or (R.A.W.); (M.M.)
| | - Mailin Misson
- Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
- Correspondence: or (R.A.W.); (M.M.)
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Wafti NSA, Yunus R, Lau HLN, Yaw TCS, Aziz SA. Immobilized lipase-catalyzed transesterification for synthesis of biolubricant from palm oil methyl ester and trimethylolpropane. Bioprocess Biosyst Eng 2021; 44:2429-2444. [PMID: 34269888 DOI: 10.1007/s00449-021-02615-6] [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: 03/06/2021] [Accepted: 07/07/2021] [Indexed: 10/20/2022]
Abstract
The present study reports the effects of three commercial immobilized lipases namely Novozyme 435 from Candida antarctica lipase B (CALB), Lipozyme TL IM from Thermomyces lanuginosus and Lipozyme RM IM from Rhizomucor miehei on the production of trimethylolpropane (TMP) ester from high oleic palm methyl ester (HO-PME) and TMP. The TMP ester is a promising base oil for biolubricants that are easily biodegradable and non-toxic to humans and the environment. Enzymatic catalysts are insensitive to free fatty acid (FFA) content, hence able to mitigate the side reactions and consequently reduce product separation cost. The potential of these enzymes to produce TMP ester in a solvent-free medium was screened at various reaction time (8, 23, 30 and 48 h), operating pressure (0.1, 0.3 and 1.0 mbar) and enzyme dosage (1, 3, 5 and 10% w/w). The reaction was conducted at a constant temperature of 70 °C and a molar ratio of 3.9:1 (HO-PME: TMP). Novozyme 435 produced the highest yield of TMP ester of 95.68 ± 3.60% under the following conditions: 23 h reaction time, 0.1 mbar operating pressure and 5% w/w of enzyme dosage. The key lubrication properties of the produced TMP ester are viscosity index (208 ± 2), pour point (- 30 ± - 2 °C), cloud point (- 15 ± - 2 °C), onset thermal degradation temperature (427.8 °C), and oxidation stability, RPVOT (42 ± 4 min). The properties of the TMP ester produced from the enzymatic transesterification are comparable to other vegetable oil-based biolubricants produced by chemical transesterification.
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Affiliation(s)
- Nur Sulihatimarsyila Abd Wafti
- Energy and Environment Unit, Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000, Kajang, Selangor, Malaysia.,Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Robiah Yunus
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia. .,Institute of Plantation Studies, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
| | - Harrison Lik Nang Lau
- Energy and Environment Unit, Engineering and Processing Research Division, Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000, Kajang, Selangor, Malaysia
| | - Thomas Choong Shean Yaw
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Suraini Abdul Aziz
- Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
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Influence of the chain length of the fatty acids present in different oils and the pore diameter of the support on the catalytic activity of immobilized lipase for ethyl ester production. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1007/s43153-021-00132-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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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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15
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Lv W, Wu C, Lin S, Wang X, Wang Y. Integrated Utilization Strategy for Soybean Oil Deodorizer Distillate: Synergically Synthesizing Biodiesel and Recovering Bioactive Compounds by a Combined Enzymatic Process and Molecular Distillation. ACS OMEGA 2021; 6:9141-9152. [PMID: 33842783 PMCID: PMC8028127 DOI: 10.1021/acsomega.1c00333] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/09/2021] [Indexed: 05/05/2023]
Abstract
Soybean oil deodorizer distillate (SODD) is well recognized as a good source of both biodiesel and high-value bioactive compounds of tocopherols, squalene, and phytosterols. To achieve a one-step synthesis of biodiesel and recovery of bioactive compounds from SODD, four commercial immobilized enzymes (Novozym 435, Lipozyme TLIM, Lipozyme RMIM, and Lipozyme RM) and one self-prepared immobilized lipase MAS1-H108A were compared. The results showed that immobilized lipase MAS1-H108A due to the better methanol tolerance and higher catalytic activity gave the highest biodiesel yield of 97.08% under the optimized conditions: molar ratio of 1:2 (oil/methanol), temperature of 35 °C, and enzyme loading of 35 U/g SODD, even after 10 persistent cycles without significant decrease of activity. Simultaneously, there was no loss of tocopherols and squalene in SODD during the enzymatic reaction. Pure biodiesel (characterized by fourier transform infrared (FT-IR) and nuclear magnetic resonance (NMR)) and a high concentration of bioactive compounds could be successfully separated by molecular distillation at 100 °C. In a word, this work provides an interesting idea to achieve environmentally friendly treatment of SODD by combining an enzymatic process and molecular distillation, and it is suitable for industrial production.
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Affiliation(s)
- Wen Lv
- School
of Food Science and Engineering, South China
University of Technology, Guangzhou 510640, P. R. China
| | - Chunjian Wu
- School
of Food Science and Engineering, South China
University of Technology, Guangzhou 510640, P. R. China
| | - Sen Lin
- School
of Food Science and Engineering, South China
University of Technology, Guangzhou 510640, P. R. China
| | - Xuping Wang
- Sericultural
& Agri-Food Research Institute, Guangdong Academy of Agricultural
Sciences, Guangzhou 510610, P. R. China
| | - Yonghua Wang
- School
of Food Science and Engineering, South China
University of Technology, Guangzhou 510640, P. R. China
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16
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Bilal M, Barceló D, Iqbal HMN. Nanostructured materials for harnessing the power of horseradish peroxidase for tailored environmental applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 749:142360. [PMID: 33370916 DOI: 10.1016/j.scitotenv.2020.142360] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 09/06/2020] [Accepted: 09/10/2020] [Indexed: 02/05/2023]
Abstract
High catalytic efficiency, stereoselectivity, and sustainability outcomes of enzymes entice chemists for considering biocatalytic transformations to supplant conventional synthetic routes. As a green and versatile enzyme, horseradish peroxidase (HRP)-based enzymatic catalysis has been widely employed in a range of biological and chemical transformation processes. Nevertheless, like many other enzymes, HRP is likely to denature or destabilize in harsh realistic conditions due to its intrinsic fragile nature, which results in inevitably shortened lifespan and immensely high bioprocess cost. Enzyme immobilization has proven as a prospective strategy for improving their biocatalytic performance in continuous industrial processes. Nanostructured materials with huge accessible surface area, abundant porous structures, exceptional functionalities, and high chemical and mechanical stability have recently garnered intriguing research interests as novel kinds of supporting matrices for HRP immobilization. Many reported immobilized biocatalytic systems have demonstrated high catalytic performances than that to the free form of enzymes, such as enhanced enzyme efficiency, selectivity, stability, and repeatability due to the protective microenvironments provided by nanostructures. This review delineates an updated overview of HRP immobilization using an array of nanostructured materials. Furthermore, the general physicochemical aspects, improved catalytic attributes, and the robust practical implementations of engineered HRP-based catalytic cues are also discussed with suitable examples. To end, concluding remarks, challenges, and worthy suggestions/perspectives for future enzyme immobilization are also given.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Damiá Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry, IDAEA-CSIC, C/Jordi Girona 18-26, 08034 Barcelona, Spain; Catalan Institute for Water Research (ICRA), C/Emili Grahit 101, 17003 Girona, Spain; College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou 311300, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
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17
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Lipase immobilization on ceramic supports: An overview on techniques and materials. Biotechnol Adv 2020; 42:107581. [DOI: 10.1016/j.biotechadv.2020.107581] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 02/08/2023]
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18
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Chrzanowska A, Derylo-Marczewska A, Wasilewska M. Mesocellular Silica Foams (MCFs) with Tunable Pore Size as a Support for Lysozyme Immobilization: Adsorption Equilibrium and Kinetics, Biocomposite Properties. Int J Mol Sci 2020; 21:E5479. [PMID: 32751874 PMCID: PMC7432670 DOI: 10.3390/ijms21155479] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/28/2020] [Accepted: 07/29/2020] [Indexed: 11/16/2022] Open
Abstract
The effect of the porous structure of mesocellular silica foams (MCFs) on the lysozyme (LYS) adsorption capacity, as well as the rate, was studied to design the effective sorbent for potential applications as the carriers of biomolecules. The structural (N2 adsorption/desorption isotherms), textural (SEM, TEM), acid-base (potentiometric titration), adsorption properties, and thermal characteristics of the obtained lysozyme/silica composites were studied. The protein adsorption equilibrium and kinetics showed significant dependence on silica pore size. For instance, LYS adsorption uptake on MCF-6.4 support (pore diameter 6.4 nm) was about 0.29 g/g. The equilibrium loading amount of LYS on MCF-14.5 material (pore size 14.5 nm) increased to 0.55 g/g. However, when the pore diameter was larger than 14.5 nm, the LYS adsorption value systematically decreased with increasing pore size (e.g., for MCF-30.1 was only 0.27 g/g). The electrostatic attractive interactions between the positively charged lysozyme (at pH = 7.4) and the negatively charged silica played a significant role in the immobilization process. The differences in protein adsorption and surface morphology for the biocomposites of various pore sizes were found. The thermal behavior of the studied bio/systems was conducted by TG/DSC/FTIR/MS coupled method. It was found that the thermal degradation of lysozyme/silica composites was a double-stage process in the temperature range 165-420-830 °C.
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Affiliation(s)
- Agnieszka Chrzanowska
- Department of Physical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland; (A.D.-M.); (M.W.)
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19
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The Immobilization of Lipases on Porous Support by Adsorption and Hydrophobic Interaction Method. Catalysts 2020. [DOI: 10.3390/catal10070744] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Four major enzymes commonly used in the market are lipases, proteases, amylases, and cellulases. For instance, in both academic and industrial levels, microbial lipases have been well studied for industrial and biotechnological applications compared to others. Immobilization is done to minimize the cost. The improvement of enzyme properties enables the reusability of enzymes and facilitates enzymes used in a continuous process. Immobilized enzymes are enzymes physically confined in a particularly defined region with retention to their catalytic activities. Immobilized enzymes can be used repeatedly compared to free enzymes, which are unable to catalyze reactions continuously in the system. Immobilization also provides a higher pH value and thermal stability for enzymes toward synthesis. The main parameter influencing the immobilization is the support used to immobilize the enzyme. The support should have a large surface area, high rigidity, suitable shape and particle size, reusability, and resistance to microbial attachment, which will enhance the stability of the enzyme. The diffusion of the substrate in the carrier is more favorable on hydrophobic supports instead of hydrophilic supports. The methods used for enzyme immobilization also play a crucial role in immobilization performance. The combination of immobilization methods will increase the binding force between enzymes and the support, thus reducing the leakage of the enzymes from the support. The adsorption of lipase on a hydrophobic support causes the interfacial activation of lipase during immobilization. The adsorption method also causes less or no change in enzyme conformation, especially on the active site of the enzyme. Thus, this method is the most used in the immobilization process for industrial applications.
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20
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Onoja E, Wahab RA. Robust Magnetized Oil Palm Leaves Ash Nanosilica Composite as Lipase Support: Immobilization Protocol and Efficacy Study. Appl Biochem Biotechnol 2020; 192:585-599. [PMID: 32495234 DOI: 10.1007/s12010-020-03348-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 05/22/2020] [Indexed: 12/07/2022]
Abstract
Strategies to immobilize the individual enzymes are crucial for enhancing catalytic applicability and require a controlled immobilization process. Herein, protocol for immobilizing Candida rugosa lipase (CRL) onto modified magnetic silica derived from oil palm leaves ash (OPLA) was optimized for the effects of concentration of CRL, immobilization time, and temperature, monitored by titrimetric and spectrometric methods. XRD and TGA-DTG spectrometric observations indicated that OPLA-silica was well coated over magnetite (SiO2-MNPs) and CRLs were uniformly bound by covalent bonds to SiO2-MNPs (CRL/Gl-A-SiO2-MNPs). The optimized immobilization protocol showed that in the preparation of CRL/Gl-A-SiO2-MNPs, CRL with 68.3 mg/g protein loading and 74.6 U/g specific activity was achieved using 5 mg/mL of CRL, with an immobilization time of 12 h at 25 °C. The present work also demonstrated that acid-pretreated OPLA is a potential source of renewable silica, envisioning its applicability for practical use in enzymatic catalysis on solid support.
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Affiliation(s)
- Emmanuel Onoja
- Department of Science Laboratory Technology, The Federal Polytechnic, P.M.B. 1012, Kaura Namoda, Zamfara State, Nigeria. .,Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia, UTM, 81310, Johor Bahru, Malaysia.
| | - Roswanira Abdul Wahab
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia, UTM, 81310, Johor Bahru, Malaysia. .,Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, UTM, 81310, Johor Bahru, Malaysia.
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21
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Rodrigues RC, Virgen-Ortíz JJ, dos Santos JC, Berenguer-Murcia Á, Alcantara AR, Barbosa O, Ortiz C, Fernandez-Lafuente R. Immobilization of lipases on hydrophobic supports: immobilization mechanism, advantages, problems, and solutions. Biotechnol Adv 2019; 37:746-770. [DOI: 10.1016/j.biotechadv.2019.04.003] [Citation(s) in RCA: 287] [Impact Index Per Article: 57.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 12/13/2022]
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22
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Sturala J, Hermanová S, Artigues L, Sofer Z, Pumera M. Thiographene synthesized from fluorographene via xanthogenate with immobilized enzymes for environmental remediation. NANOSCALE 2019; 11:10695-10701. [PMID: 31120458 DOI: 10.1039/c9nr02376c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Graphene, graphene oxide and their related thiographene-, hydroxygraphene- or fluorographene-based materials have broad applications. We report on the thiol-functionalization of fluorographene via xanthogenate. Such thiographene contains 5.1 at% of sulphur in the form of thiol groups, which is the highest thiol content reported to date. Such tailored thiographene allows the immobilization of two types of enzymes. Here, we explore the functionalization of highly thiolated graphene with enzymes via physisorption or covalent linkage producing an important heterogeneous biocatalyst platform for wastewater treatment applications. Thiographene modified with a lipase from Mucor miehei can find utilization in lipid-rich wastewater treatment whereas the catalase-modified thiographene is intended for bioremediation applications. Upon increasing concentration of the thiol groups on graphene, protein loading of the catalase was increased by 16% and the ester bond cleavage activity of the thiographene-immobilized lipase was 129% that of the free lipase. We expect that such a highly active heterogeneous thiographene-based biocatalyst will find a use in water remediation applications.
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Affiliation(s)
- Jiri Sturala
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 16628 Prague 6, Czech Republic.
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23
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Wu PH, Mäkie P, Odén M, Björk EM. Growth and Functionalization of Particle-Based Mesoporous Silica Films and Their Usage in Catalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E562. [PMID: 30959939 PMCID: PMC6523614 DOI: 10.3390/nano9040562] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/29/2019] [Accepted: 04/02/2019] [Indexed: 11/16/2022]
Abstract
We report the formation of mesoporous films consisting of SBA-15 particles grown directly onto substrates and their usage as catalysts in esterification of acetic acid and ethanol. The film thickness was altered between 80 nm and 750 nm by adding NH₄F to the synthesis solution. The salt also affects the formation rate of the particles, and substrates must be added during the formation of the siliceous network in the solution. Various substrate functionalizations were tested and hydrophobic substrates are required for a successful film growth. We show that large surfaces (> 75 cm²), as well as 3D substrates, can be homogenously coated. Further, the films were functionalized, either with acetic acid through co-condensation, or by coating the films with a thin carbon layer through exposure to furfuryl alcohol fumes followed by carbonization and sulfonation with H₂SO₄. The carbon-coated film was shown to be an efficient catalyst in the esterification reaction with acetic acid and ethanol. Due to the short, accessible mesopores, chemical variability, and possibility to homogenously cover large, rough surfaces. the films have a large potential for usage in various applications such as catalysis, sensing, and drug delivery.
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Affiliation(s)
- Pei-Hsuan Wu
- Nanostructured Materials, Department of Physics, Chemistry and Biology (IFM), Linköping University, 581 83 Linköping, Sweden.
| | - Peter Mäkie
- Nanostructured Materials, Department of Physics, Chemistry and Biology (IFM), Linköping University, 581 83 Linköping, Sweden.
| | - Magnus Odén
- Nanostructured Materials, Department of Physics, Chemistry and Biology (IFM), Linköping University, 581 83 Linköping, Sweden.
| | - Emma M Björk
- Nanostructured Materials, Department of Physics, Chemistry and Biology (IFM), Linköping University, 581 83 Linköping, Sweden.
- Institute of Inorganic Chemistry II, University of Ulm, Albert-Einstein-Allee 11, 890 81 Ulm, Germany.
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24
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Marschelke C, Müller M, Köpke D, Matura A, Sallat M, Synytska A. Hairy Particles with Immobilized Enzymes: Impact of Particle Topology on the Catalytic Activity. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1645-1654. [PMID: 30525381 DOI: 10.1021/acsami.8b17703] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Enzymes are described as ideal green biocatalysts because they are highly specific and selective. However, their practical application is hampered because of the low stability and missing reusability of free enzymes. One method to overcome these problems is the immobilization of enzymes onto carriers. Although numerous publications discuss different immobilization strategies, optimization of these carriers for the highest enzyme activity and loading capacity, enzyme selectivity, reusability, and reactor system configuration still remains a challenging task. In this contribution, we aim to address the role of the core-shell particle design with respect to their geometry as well as the polymer shell thickness on the immobilization of biomolecules. We discovered that spherical particles with a core diameter of 200 nm and intermediate shell thickness as well as platelet-like particles exhibited excellent results with a maximum immobilization yield of laccase from Trametes versicolor of up to 92% and an activity on the carrier material of 5.722 U/(g particle). Especially, the platelet-like particles offered a scalable and convenient alternative for the immobilization of laccase. Circular dichroism measurements proved that the secondary structure of the enzyme is not impaired by immobilization onto all kinds of carrier particles. Moreover, the immobilized laccase was successfully used for the decolorization of Cibacron blue P-3R in up to 18 cycles. Finally, particle separation was achieved via citrate-induced flocculation within 10 min. This detailed study contributes to the understanding of rational design of catalytically active hybrid materials and their effective performance at interfaces for applications in textile industry and environmental technologies.
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Affiliation(s)
- Claudia Marschelke
- Leibniz Institute of Polymer Research Dresden e.V. , Hohe Str. 6 , 01069 Dresden , Germany
| | - Martin Müller
- Leibniz Institute of Polymer Research Dresden e.V. , Hohe Str. 6 , 01069 Dresden , Germany
| | | | | | - Marco Sallat
- Sächsisches Textilforschungsinstitut e.V. , Annaberger Straße 240 , 09125 Chemnitz , Germany
| | - Alla Synytska
- Leibniz Institute of Polymer Research Dresden e.V. , Hohe Str. 6 , 01069 Dresden , Germany
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25
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Björk EM, Baumann B, Hausladen F, Wittig R, Lindén M. Cell adherence and drug delivery from particle based mesoporous silica films. RSC Adv 2019; 9:17745-17753. [PMID: 35520598 PMCID: PMC9064623 DOI: 10.1039/c9ra02823d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 05/27/2019] [Indexed: 12/17/2022] Open
Abstract
Spatially and temporally controlled drug delivery is important for implant and tissue engineering applications, as the efficacy and bioavailability of the drug can be enhanced, and can also allow for drugging stem cells at different stages of development. Long-term drug delivery over weeks to months is however difficult to achieve, and coating of 3D surfaces or creating patterned surfaces is a challenge using coating techniques like spin- and dip-coating. In this study, mesoporous films consisting of SBA-15 particles grown onto silicon wafers using wet processing were evaluated as a scaffold for drug delivery. Films with various particle sizes (100–900 nm) and hence thicknesses were grown onto trichloro(octadecyl)silane-functionalized silicon wafers using a direct growth method. Precise patterning of the areas for film growth could be obtained by local removal of the OTS functionalization through laser ablation. The films were incubated with the drug model 3,3′-dioctadecyloxacarbocyanine perchlorate (DiO), and murine myoblast cells (C2C12 cells) were seeded onto films with different particle sizes. Confocal laser scanning microscopy (CLSM) was used to study the cell growth, and a vinculin-mediated adherence of C2C12 cells on all films was verified. The successful loading of DiO into the films was confirmed by UV-vis and CLSM. It was observed that the drugs did not desorb from the particles during 24 hours in cell culture. During adherent growth on the films for 4 h, small amounts of DiO and separate particles were observed inside single cells. After 24 h, a larger number of particles and a strong DiO signal were recorded in the cells, indicating a particle mediated drug uptake. The vast majority of the DiO-loaded particles remained attached to the substrate also after 24 h of incubation, making the films attractive as longer-term reservoirs for drugs on e.g. medical implants. Particle-based mesoporous silica films synthesized through a direct growth method were successfully used as a drug delivery system.![]()
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Affiliation(s)
- Emma M. Björk
- Institute for Inorganic Chemistry II
- University of Ulm
- 890 81 Ulm
- Germany
- Nanostructured Materials
| | - Bernhard Baumann
- Institute for Inorganic Chemistry II
- University of Ulm
- 890 81 Ulm
- Germany
| | - Florian Hausladen
- Institute for Laser Technologies in Medicine & Metrology (ILM)
- Ulm University
- 890 81 Ulm
- Germany
| | - Rainer Wittig
- Institute for Laser Technologies in Medicine & Metrology (ILM)
- Ulm University
- 890 81 Ulm
- Germany
| | - Mika Lindén
- Institute for Inorganic Chemistry II
- University of Ulm
- 890 81 Ulm
- Germany
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26
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Onoja E, Chandren S, Razak FIA, Wahab RA. Enzymatic synthesis of butyl butyrate by Candida rugosa lipase supported on magnetized-nanosilica from oil palm leaves: Process optimization, kinetic and thermodynamic study. J Taiwan Inst Chem Eng 2018. [DOI: 10.1016/j.jtice.2018.05.049] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Joyce P, Gustafsson H, Prestidge CA. Engineering intelligent particle-lipid composites that control lipase-mediated digestion. Adv Colloid Interface Sci 2018; 260:1-23. [PMID: 30119842 DOI: 10.1016/j.cis.2018.08.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/01/2018] [Accepted: 08/02/2018] [Indexed: 12/25/2022]
Abstract
Nanostructured particle-lipid composites have emerged as state-of-the-art carrier systems for poorly water-soluble bioactive molecules due to their ability to control and enhance the lipase-mediated hydrolysis of encapsulated triglycerides, leading to a subsequent improvement in the solubilisation and absorption of encapsulated species. The first generation of particle-lipid composites (i.e. silica-lipid hybrid (SLH) microparticles) were designed and fabricated by spray drying a silica nanoparticle-stabilised Pickering emulsion, to create a novel three-dimensional architecture, whereby lipid droplets were encapsulated within a porous matrix support. The development of SLH microparticles has acted as a solid foundation for the synthesis of several next generation particle-lipid composites, including polymer-lipid hybrid (PLH) and clay-lipid hybrid systems (CLH), which present lipase with unique lipid microenvironments for optimised lipolysis. This review details the methods utilised to engineer lipid hybrid particles and the strategic investigations that have been performed to determine the influence of key material characteristics on digestion enzyme activity. In doing so, this provides insight into manipulating the mechanism of lipase action through the intelligent design of lipid-based biomaterials for their use in drug delivery formulations and novel functional foods.
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28
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Tubular and Spherical SiO₂ Obtained by Sol Gel Method for Lipase Immobilization and Enzymatic Activity. Molecules 2018; 23:molecules23061362. [PMID: 29874881 PMCID: PMC6100421 DOI: 10.3390/molecules23061362] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 06/01/2018] [Accepted: 06/01/2018] [Indexed: 11/21/2022] Open
Abstract
A wide range of hybrid biomaterials has been designed in order to sustain bioremediation processes by associating sol-gel SiO2 matrices with various biologically active compounds (enzymes, antibodies). SiO2 is a widespread, chemically stable and non-toxic material; thus, the immobilization of enzymes on silica may lead to improving the efficiency of biocatalysts in terms of endurance and economic costs. Our present work explores the potential of different hybrid morphologies, based on hollow tubes and solid spheres of amorphous SiO2, for enzyme immobilization and the development of competitive biocatalysts. The synthesis protocol and structural characterization of spherical and tubular SiO2 obtained by the sol gel method were fully investigated in connection with the subsequent immobilization of lipase from Rhizopus orizae. The immobilization is conducted at pH 6, lower than the isoelectric point of lipase and higher than the isoelectric point of silica, which is meant to sustain the physical interactions of the enzyme with the SiO2 matrix. The morphological, textural and surface properties of spherical and tubular SiO2 were investigated by SEM, nitrogen sorption, and electrokinetic potential measurements, while the formation and characterization of hybrid organic-inorganic complexes were studied by UV-VIS, FTIR-ATR and fluorescence spectroscopy. The highest degree of enzyme immobilization (as depicted from total organic carbon) was achieved for tubular morphology and the hydrolysis of p-nitrophenyl acetate was used as an enzymatic model reaction conducted in the presence of hybrid lipase–SiO2 complex.
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Sigurdardóttir SB, Lehmann J, Ovtar S, Grivel J, Negra MD, Kaiser A, Pinelo M. Enzyme Immobilization on Inorganic Surfaces for Membrane Reactor Applications: Mass Transfer Challenges, Enzyme Leakage and Reuse of Materials. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800307] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Sigyn Björk Sigurdardóttir
- Technical University of DenmarkDTU Chemical Engineering Søltofts Plads, Building 229 2800 Kgs. Lyngby Denmark
| | - Jonas Lehmann
- Technical University of DenmarkDTU Energy Frederiksborgvej 399 4000 Roskilde Denmark
| | - Simona Ovtar
- Technical University of DenmarkDTU Energy Frederiksborgvej 399 4000 Roskilde Denmark
| | - Jean‐Claude Grivel
- Technical University of DenmarkDTU Energy Frederiksborgvej 399 4000 Roskilde Denmark
| | - Michela Della Negra
- Technical University of DenmarkDTU Energy Frederiksborgvej 399 4000 Roskilde Denmark
| | - Andreas Kaiser
- Technical University of DenmarkDTU Energy Frederiksborgvej 399 4000 Roskilde Denmark
| | - Manuel Pinelo
- Technical University of DenmarkDTU Chemical Engineering Søltofts Plads, Building 229 2800 Kgs. Lyngby Denmark
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30
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Pitzalis F, Carucci C, Naseri M, Fotouhi L, Magner E, Salis A. Lipase Encapsulation onto ZIF-8: A Comparison between Biocatalysts Obtained at Low and High Zinc/2-Methylimidazole Molar Ratio in Aqueous Medium. ChemCatChem 2018. [DOI: 10.1002/cctc.201701984] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Federica Pitzalis
- Department of Chemical and Geological Sciences; University of Cagliari; Cittadella Universitaria, SS 554 bivio Sestu 09042 Monserrato (CA) Italy
| | - Cristina Carucci
- Department of Chemical Sciences, Synthesis and Solid State Pharmaceutical Centre and Bernal Institute; University of Limerick; Limerick V94 T9PX Ireland
| | - Maryam Naseri
- Department of Chemical and Geological Sciences; University of Cagliari; Cittadella Universitaria, SS 554 bivio Sestu 09042 Monserrato (CA) Italy
- Department of Chemistry; Alzahra University; Tehran Iran
| | - Lida Fotouhi
- Department of Chemistry; Alzahra University; Tehran Iran
| | - Edmond Magner
- Department of Chemical Sciences, Synthesis and Solid State Pharmaceutical Centre and Bernal Institute; University of Limerick; Limerick V94 T9PX Ireland
| | - Andrea Salis
- Department of Chemical and Geological Sciences; University of Cagliari; Cittadella Universitaria, SS 554 bivio Sestu 09042 Monserrato (CA) Italy
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31
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Alotaibi M, Manayil JC, Greenway GM, Haswell SJ, Kelly SM, Lee AF, Wilson K, Kyriakou G. Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification. REACT CHEM ENG 2018. [DOI: 10.1039/c7re00162b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lipase immobilised on silica monoliths has been prepared and applied as biocatalytic continuous-flow microreactors for the transesterification of tributyrin as a model bio-oil component.
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Affiliation(s)
- Mohammed Alotaibi
- Department of Chemistry
- The University of Hull
- Hull HU6 7RX
- UK
- European Bioenergy Research Institute
| | - Jinesh C. Manayil
- European Bioenergy Research Institute
- Aston University
- Birmingham B4 7ET
- UK
| | | | | | | | - Adam F. Lee
- School of Science
- RMIT University
- Melbourne
- Australia
| | - Karen Wilson
- School of Science
- RMIT University
- Melbourne
- Australia
| | - Georgios Kyriakou
- Department of Chemistry
- The University of Hull
- Hull HU6 7RX
- UK
- European Bioenergy Research Institute
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32
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Hüttner S, Zezzi Do Valle Gomes M, Iancu L, Palmqvist A, Olsson L. Immobilisation on mesoporous silica and solvent rinsing improve the transesterification abilities of feruloyl esterases from Myceliophthora thermophila. BIORESOURCE TECHNOLOGY 2017; 239:57-65. [PMID: 28501686 DOI: 10.1016/j.biortech.2017.04.106] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 04/25/2017] [Accepted: 04/26/2017] [Indexed: 06/07/2023]
Abstract
The immobilisation of four feruloyl esterases (FAEs) (FaeA1, FaeA2, FaeB1, FaeB2) from the thermophilic fungus Myceliophthora thermophila C1 was studied and optimised via physical adsorption onto various mesoporous silica particles with pore diameters varying from 6.6nm to 10.9nm. Using crude enzyme preparations, enrichment of immobilised FAEs was observed, depending on pore diameter and protein size. The immobilised enzymes were successfully used for the synthesis of butyl ferulate through transesterification of methyl ferulate with 1-butanol. Although the highest butyl ferulate yields were obtained with free enzyme, the synthesis-to-hydrolysis ratio was higher when using immobilised enzymes. Over 90% of the initial activity was observed in a reusability experiment after nine reaction cycles, each lasting 24h. Rinsing with solvent to remove water from the immobilised enzymes further improved their activity. This study demonstrates the suitability of immobilised crude enzyme preparations in the development of biocatalysts for esterification reactions.
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Affiliation(s)
- Silvia Hüttner
- Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.
| | - Milene Zezzi Do Valle Gomes
- Department of Chemistry and Chemical Engineering, Division of Applied Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.
| | - Laura Iancu
- DuPont Industrial Biosciences, Nieuwe Kanaal 7S, 6709 PA Wageningen, The Netherlands.
| | - Anders Palmqvist
- Department of Chemistry and Chemical Engineering, Division of Applied Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.
| | - Lisbeth Olsson
- Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.
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33
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Improvement of extracellular lipase production by a newly isolated Yarrowia lipolytica mutant and its application in the biosynthesis of L-ascorbyl palmitate. Int J Biol Macromol 2017; 106:302-311. [PMID: 28827135 DOI: 10.1016/j.ijbiomac.2017.08.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 08/01/2017] [Accepted: 08/02/2017] [Indexed: 01/05/2023]
Abstract
Yarrowia lipolytica Wt-11 producing an extracellular lipase was isolated and identified. To improve the lipase production, Y. lipolytica Wt-11 was subjected to low-energy ion implantation mutation breeding, and a best mutant, Y. lipolytica Mut-96, was obtained after screening. Under the optimal cultivation conditions, the scaled-up production of lipases were performed, and the lipase activity of Y. lipolytica Mut-96 was enhanced nearly 5.5-fold compared with that of Y. lipolytica Wt-11. After fermentation, the lipases were purified, and the characteristics of the purified lipases were studied. The optimum temperatures and pHs for lipases from Wt-11and Mut-96 were 30°C and 8.0, respectively. The purified lipases were stable between pH 7.0 and 8.5 and unstable at temperatures above 40°C. The lipase activities were enhanced by Ca2+, Ba2+, Mn2+, Fe2+ and SDS. The synthesis of L-ascorbyl palmitate via esterification with L-ascorbic acid and palmitic acid by immobilized lipases from Wt-11 and Mut-96 in organic media was investigated, and the L-ascorbyl palmitate can be respectively produced at levels of 14.8 and 27.5g/L.
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34
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Nabavi Zadeh PS, Åkerman B. Immobilization of Enzymes in Mesoporous Silica Particles: Protein Concentration and Rotational Mobility in the Pores. J Phys Chem B 2017; 121:2575-2583. [DOI: 10.1021/acs.jpcb.7b00562] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Pegah S. Nabavi Zadeh
- Department of Chemistry and
Chemical Engineering, Chalmers University of Technology, Kemivägen 10, SE-41296 Gothenburg, Sweden
| | - Björn Åkerman
- Department of Chemistry and
Chemical Engineering, Chalmers University of Technology, Kemivägen 10, SE-41296 Gothenburg, Sweden
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35
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Zezzi do Valle Gomes M, Palmqvist AEC. Influence of operating conditions and immobilization on activity of alcohol dehydrogenase for the conversion of formaldehyde to methanol. NEW J CHEM 2017. [DOI: 10.1039/c7nj02028g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Improved activity of alcohol dehydrogenase by immobilization in octyl-functionalized siliceous mesostructured cellular foams and tuning of pressure and formaldehyde concentration.
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Affiliation(s)
- Milene Zezzi do Valle Gomes
- Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Applied Chemistry
- Gothenburg
- Sweden
| | - Anders E. C. Palmqvist
- Chalmers University of Technology, Department of Chemistry and Chemical Engineering, Applied Chemistry
- Gothenburg
- Sweden
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36
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Interfacial activation of lipases on hydrophobic support and application in the synthesis of a lubricant ester. Int J Biol Macromol 2016; 92:900-909. [DOI: 10.1016/j.ijbiomac.2016.07.097] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 07/27/2016] [Accepted: 07/28/2016] [Indexed: 11/19/2022]
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37
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Nanostructuring Biomaterials with Specific Activities towards Digestive Enzymes for Controlled Gastrointestinal Absorption of Lipophilic Bioactive Molecules. Adv Colloid Interface Sci 2016; 237:52-75. [PMID: 28314428 DOI: 10.1016/j.cis.2016.10.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 10/18/2016] [Accepted: 10/18/2016] [Indexed: 11/24/2022]
Abstract
This review describes the development of novel lipid-based biomaterials that modulate fat digestion for the enhanced uptake of encapsulated lipophilic bioactive compounds (e.g. drugs and vitamins). Specific focus is directed towards analysing how key material characteristics affect the biological function of digestive lipases and manipulate lipolytic digestion. The mechanism of lipase action is a complex, interfacial process, whereby hydrolysis can be controlled by the ability for lipase to access and adsorb to the lipid-in-water interface. However, significant conjecture exists within the literature regarding parameters that influence the activities of digestive lipases. Important findings from recent investigations that strategically examined the interplay between the interfacial composition of the lipid microenvironment and lipolysis kinetics in simulated biophysical environments are presented. The correlation between lipolysis and the rate of solubilisation and absorption of lipophilic compounds in the gastrointestinal tract (GIT) is detailed. Greater insights into the mechanism of lipase action have provided a new approach for designing colloidal carriers that orally deliver poorly soluble compounds, directly impacting the pharmaceutical and food industries.
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38
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Balistreri N, Gaboriau D, Jolivalt C, Launay F. Covalent immobilization of glucose oxidase on mesocellular silica foams: Characterization and stability towards temperature and organic solvents. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.02.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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39
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Wang W, Zhou W, Wei W, Li J, Hao D, Su Z, Ma G. Towards A Deeper Understanding of the Interfacial Adsorption of Enzyme Molecules in Gigaporous Polymeric Microspheres. Polymers (Basel) 2016; 8:polym8040116. [PMID: 30979221 PMCID: PMC6431888 DOI: 10.3390/polym8040116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 03/06/2016] [Accepted: 03/24/2016] [Indexed: 11/21/2022] Open
Abstract
Compared with the one immobilized in the conventional mesoporous microspheres, the enzyme immobilized in gigaporous microspheres showed much higher activity and better stability. To gain a deeper understanding, we herein selected lipase as a prototype to comparatively analyze the adsorption behavior of lipase at interfaces in gigaporous and mesoporous polystyrene microspheres at very low lipase concentration, and further compared with the adsorption on a completely flat surface (a chip). Owing to the limited space of narrow pores, lipase molecules were inclined to be adsorbed as a monolayer in mesoporous microspheres. During this process, the interaction between lipase molecules and the interface was stronger, which could result in the structural change of lipase molecular and compromised specific activity. In addition to monolayer adsorption, more multilayer adsorption of enzyme molecules also occurred in gigaporous microspheres. Besides the adsorption state, the pore curvature also affected the lipase adsorption. Due to the multilayer adsorption, the excellent mass transfer properties for the substrate and the product in the large pores, and the small pore curvature, lipase immobilized in gigaporous microspheres showed better behaviors.
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Affiliation(s)
- Weichen Wang
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Weiqing Zhou
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Wei Wei
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Juan Li
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Dongxia Hao
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Zhiguo Su
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Guanghui Ma
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
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40
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Mesoporous silica nanoparticles with controllable morphology prepared from oil-in-water emulsions. J Colloid Interface Sci 2016; 467:253-260. [PMID: 26803604 DOI: 10.1016/j.jcis.2016.01.026] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 01/13/2016] [Accepted: 01/13/2016] [Indexed: 01/12/2023]
Abstract
Mesoporous silica nanoparticles are an important class of materials with a wide range of applications. This paper presents a simple protocol for synthesis of particles as small as 40nm and with a pore size that can be as large as 9nm. Reaction conditions including type of surfactant, type of catalyst and presence of organic polymer were investigated in order to optimize the synthesis. An important aim of the work was to understand the mechanism behind the formation of these unusual structures and an explanation based on silica condensation in the small aqueous microemulsion droplets that are present inside the drops of an oil-in-water emulsion is put forward.
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41
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Effect of electrolytes on proteins physisorption on ordered mesoporous silica materials. Colloids Surf B Biointerfaces 2016; 137:77-90. [DOI: 10.1016/j.colsurfb.2015.04.068] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 04/28/2015] [Accepted: 04/30/2015] [Indexed: 01/26/2023]
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42
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Amirkhani L, Moghaddas J, Jafarizadeh-Malmiri H. Candida rugosa lipase immobilization on magnetic silica aerogel nanodispersion. RSC Adv 2016. [DOI: 10.1039/c5ra24441b] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
C. rugosalipase was successfully immobilized on hydrophobic magnetic silica aerogel nanodispersion by simple physical adsorption.
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Affiliation(s)
- Leila Amirkhani
- Transport Phenomena Research Center (TPRC)
- Faculty of Chemical Engineering
- Sahand University of Technology
- 51335-1996 Sahand
- Iran
| | - Jafarsadegh Moghaddas
- Transport Phenomena Research Center (TPRC)
- Faculty of Chemical Engineering
- Sahand University of Technology
- 51335-1996 Sahand
- Iran
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43
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Dening TJ, Rao S, Thomas N, Prestidge CA. Novel Nanostructured Solid Materials for Modulating Oral Drug Delivery from Solid-State Lipid-Based Drug Delivery Systems. AAPS JOURNAL 2015; 18:23-40. [PMID: 26354801 DOI: 10.1208/s12248-015-9824-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/23/2015] [Indexed: 12/20/2022]
Abstract
Lipid-based drug delivery systems (LBDDS) have gained significant attention in recent times, owing to their ability to overcome the challenges limiting the oral delivery of poorly water-soluble drugs. Despite the successful commercialization of several LBDDS products over the years, a large discrepancy exists between the number of poorly water-soluble drugs displaying suboptimal in vivo performances and the application of LBDDS to mitigate their various delivery challenges. Conventional LBDDS, including lipid solutions and suspensions, emulsions, and self-emulsifying formulations, suffer from various drawbacks limiting their widespread use and commercialization. Accordingly, solid-state LBDDS, fabricated by adsorbing LBDDS onto a chemically inert solid carrier material, have attracted substantial interest as a viable means of stabilizing LBDDS whilst eliminating some of the various limitations. This review describes the impact of solid carrier choice on LBDDS performance and highlights the importance of appropriate solid carrier material selection when designing hybrid solid-state LBDDS. Specifically, emphasis is placed on discussing the ability of the specific solid carrier to modulate drug release, control lipase action and lipid digestion, and enhance biopharmaceutical performance above the original liquid-state LBDDS. To encourage the interested reader to consider their solid carrier choice on a higher level, various novel materials with the potential for future use as solid carriers for LBDDS are described. This review is highly significant in guiding future research directions in the solid-state LBDDS field and fostering the translation of these delivery systems to the pharmaceutical marketplace.
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Affiliation(s)
- Tahnee J Dening
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - Shasha Rao
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - Nicky Thomas
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - Clive A Prestidge
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia.
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44
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Immobilization, Regiospecificity Characterization and Application of Aspergillus oryzae Lipase in the Enzymatic Synthesis of the Structured Lipid 1,3-Dioleoyl-2-Palmitoylglycerol. PLoS One 2015. [PMID: 26218640 PMCID: PMC4517815 DOI: 10.1371/journal.pone.0133857] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The enzymatic synthesis of 1,3-dioleoyl-2-palmitoylglycerol (OPO), one of the main components of human milk fats, has been hindered by the relatively high cost of sn-1,3-specific lipases and the deficiency in biocatalyst stability. The sn-1,3-specific lipase from Aspergillus oryzae (AOL) is highly and efficiently immobilized with the polystyrene-based hydrophobic resin D3520, with a significant 49.54-fold increase in specific lipase activity compared with the AOL powder in catalyzing the synthesis of OPO through the acidolysis between palm stearin and oleic acid (OA). The optimal immobilization conditions were investigated, including time course, initial protein concentration and solution pH. The sn-1,3 specificity of lipases under different immobilization conditions was evaluated and identified as positively associated with the lipase activity, and the pH of the immobilization solution influenced the regiospecificity and synthetic activity of these lipases. Immobilized AOL D3520, as the biocatalyst, was used for the enzymatic synthesis of the structured lipid OPO through the acidolysis between palm stearin and OA. The following conditions were optimized for the synthesis of structured lipid OPO: 65 °C temperature; 1:8 substrate molar ratio between palm stearin and OA; 8% (w/w) enzyme load; 3.5% water content of the immobilized lipase; and 1 h reaction time. Under these conditions, highly efficient C52 production (45.65%) was achieved, with a tripalmitin content of 2.75% and a sn-2 palmitic acid (PA) proportion of 55.08% in the system.
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45
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Juarez-Moreno K, Díaz de León JN, Zepeda TA, Vazquez-Duhalt R, Fuentes S. Oxidative transformation of dibenzothiophene by chloroperoxidase enzyme immobilized on (1D)-γ-Al2O3 nanorods. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.02.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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46
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Nabavi Zadeh PS, Mallak KA, Carlsson N, Åkerman B. A fluorescence spectroscopy assay for real-time monitoring of enzyme immobilization into mesoporous silica particles. Anal Biochem 2015; 476:51-8. [PMID: 25681112 DOI: 10.1016/j.ab.2015.02.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 02/03/2015] [Accepted: 02/03/2015] [Indexed: 10/24/2022]
Abstract
Mesoporous silica particles are used as support material for immobilization of enzymes. Here we investigated a fluorescence-based assay for real-time monitoring of the immobilization of lipase, bovine serum albumin, and glucose oxidase into micrometer-sized mesoporous silica particles. The proteins are labeled with the dye epicocconone, and the interaction with the particles is observed as an increase in emission intensity of the protein-dye conjugates that can be quantified if correcting for a comparatively slow photobleaching. The immobilization occurs in tens of minutes to hours depending on particle concentration and type of protein. In the limit of excess particles over proteins, the formation of the particle-protein complexes can be described by a single exponential growth for all three investigated proteins, and the fitted pseudo-first-order rate constant increases linearly with particle concentration for each protein type. The derived second-order rate constant k varies with the protein hydrodynamic radius according to k∼RH(-4.70±0.01), indicating that the rate-limiting step at high particle concentrations is not the diffusional encounter between proteins and particles but rather the entry into the pores, consistent with the hydrodynamic radii of the three proteins being smaller but comparable to the pore radius of the particles.
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Affiliation(s)
- Pegah S Nabavi Zadeh
- Department of Chemistry and Chemical Engineering, Physical Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Kassam Abdel Mallak
- Department of Chemistry and Chemical Engineering, Physical Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Nils Carlsson
- Department of Chemistry and Chemical Engineering, Physical Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Björn Åkerman
- Department of Chemistry and Chemical Engineering, Physical Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.
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47
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Immobilization of Candida rugosa lipase on MSU-H type mesoporous silica for selective esterification of conjugated linoleic acid isomers with ethanol. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2014.11.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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48
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Gustafsson H, Küchler A, Holmberg K, Walde P. Co-immobilization of enzymes with the help of a dendronized polymer and mesoporous silica nanoparticles. J Mater Chem B 2015; 3:6174-6184. [DOI: 10.1039/c5tb00543d] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Two enzymes were immobilized in close proximity to each other using enzyme-containing mesoporous nanoparticles and a dendronized polymer–enzyme hybrid structure.
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Affiliation(s)
- Hanna Gustafsson
- Applied Surface Chemistry
- Department of Chemical and Biological Engineering
- Chalmers University of Technology
- SE-412 96 Gothenburg
- Sweden
| | - Andreas Küchler
- Polymer Chemistry
- Department of Materials
- ETH Zürich
- CH-8093 Zürich
- Switzerland
| | - Krister Holmberg
- Applied Surface Chemistry
- Department of Chemical and Biological Engineering
- Chalmers University of Technology
- SE-412 96 Gothenburg
- Sweden
| | - Peter Walde
- Polymer Chemistry
- Department of Materials
- ETH Zürich
- CH-8093 Zürich
- Switzerland
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49
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Ghattas N, Filice M, Abidi F, Guisan J, Ben Salah A. Purification and improvement of the functional properties of Rhizopus oryzae lipase using immobilization techniques. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2014.09.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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