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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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Ateş B, Ulu A, Asiltürk M, Noma SAA, Topel SD, Dik G, Özhan O, Bakar B, Yıldız A, Vardı N, Parlakpınar H. Enhancement of enzyme activity by laser-induced energy propulsion of upconverting nanoparticles under near-infrared light: A comprehensive methodology for in vitro and in vivo applications. Int J Biol Macromol 2024; 260:129343. [PMID: 38242401 DOI: 10.1016/j.ijbiomac.2024.129343] [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: 09/21/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 01/21/2024]
Abstract
If the appropriate immobilization method and carrier support are not selected, partial decreases in the activity of enzymes may occur after immobilization. Herein, to overcome this challenge, an excitation mechanism that enables energy transfer was proposed. Modified upconverting nanoparticles (UCNPs) were constructed and the important role of near-infrared (NIR) excitation in enhancing the catalytic activity of the enzyme was demonstrated. For this purpose, UCNPs were first synthesized via the hydrothermal method, functionalized with isocyanate groups, and then, PEG-L-ASNase was immobilized via covalent binding. UCNPs with and without PEG-L-ASNase were extensively characterized by different methods. These supports had immobilization yield and activity efficiency of >96 % and 78 %, respectively. Moreover, immobilized enzymes exhibited improved pH, thermal, and storage stability. In addition, they retained >65 % of their initial activity even after 20 catalytic cycles. Biochemical and histological findings did not indicate a trend of toxicity in rats due to UCNPs. Most importantly, PEG-L-ASNase activity was triggered approximately 5- and 2-fold under in vitro and in vivo conditions, respectively. Overall, it is anticipated that this pioneering work will shed new light on the realistic and promising usage of NIR-excited UCNPs for the immobilization of enzymes in expensive and extensive applications.
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Affiliation(s)
- Burhan Ateş
- Biochemistry and Biomaterials Research Laboratory, Department of Chemistry, Faculty of Arts and Science, İnönü University, 44280 Malatya, Türkiye.
| | - Ahmet Ulu
- Biochemistry and Biomaterials Research Laboratory, Department of Chemistry, Faculty of Arts and Science, İnönü University, 44280 Malatya, Türkiye.
| | - Meltem Asiltürk
- Department of Material Science and Engineering, Faculty of Engineering, Akdeniz University, 07070 Antalya, Türkiye
| | - Samir Abbas Ali Noma
- Biochemistry and Biomaterials Research Laboratory, Department of Chemistry, Faculty of Arts and Science, İnönü University, 44280 Malatya, Türkiye; Department of Chemistry, Faculty of Arts and Science, Bursa Uludag University, Bursa, Türkiye
| | - Seda Demirel Topel
- Department of Electrical and Electronics Engineering, Faculty of Engineering, Antalya Bilim University, 07190 Antalya, Türkiye
| | - Gamze Dik
- Biochemistry and Biomaterials Research Laboratory, Department of Chemistry, Faculty of Arts and Science, İnönü University, 44280 Malatya, Türkiye
| | - Onural Özhan
- Department of Medicinal Pharmacology, Medical Faculty, İnönü University, 44210 Malatya, Türkiye
| | - Büşra Bakar
- Biochemistry and Biomaterials Research Laboratory, Department of Chemistry, Faculty of Arts and Science, İnönü University, 44280 Malatya, Türkiye
| | - Azibe Yıldız
- Department of Histology and Embryology, Medical Faculty, İnönü University, 44210 Malatya, Türkiye
| | - Nigar Vardı
- Department of Histology and Embryology, Medical Faculty, İnönü University, 44210 Malatya, Türkiye
| | - Hakan Parlakpınar
- Department of Medicinal Pharmacology, Medical Faculty, İnönü University, 44210 Malatya, Türkiye
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Xylanase covalent binding onto amidated pectin beads: Optimization, thermal, operational and storage stability studies and application. Int J Biol Macromol 2023; 236:124018. [PMID: 36921821 DOI: 10.1016/j.ijbiomac.2023.124018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/04/2023] [Accepted: 03/08/2023] [Indexed: 03/15/2023]
Abstract
Amidated pectin-polyethylene imine-glutaraldehyde (AP-PEI-GA) immobilizer was prepared. The ideal protocol that should be adopted during the immobilizer preparation was investigated via Box-Behnken design (BBD), and it comprised processing the AP beads with 3.4 % (w/w) PEI solution of pH 9.65 followed by 5.96 % (v/v) GA solution. The obtained AP-PEI-GA immobilizer was efficient, and it acquired 3.03 U.g-1 of immobilized xylanase (im-xylanase) activity. The computed Km and Vmax values for AP-PEI-GA im-xylanase were 16.67 mg.ml-1 and 20 g.ml-1.min-1, respectively. Through covalent coupling to AP-PEI-GA, Aspergillus niger xylanase thermodynamic properties T1/2 and D-values were increased by 2.05, 3.08, and 1.35 at 40, 50, and 60 °C, respectively. ΔHd and ΔGd for AP-PEI-GA im-xylanase at 40, 50, and 60 °C were higher than those for free form emphasizing more resistance to thermal denaturation. Im-xylanase showed 100 % activity for 20 successive cycles and hydrolyzed different agro-industrial wastes into reducing sugar and xylooligosaccharides (XOS) with more efficiency on pea peel (PP). AP-PEI-GA im-xylanase, PP weight, and hydrolysis time that should be adopted to obtain the highest reducing sugar and XOS yield were optimized through central composite design (CCD). Extracted XOS showed prebiotic and anti-oxidant activities.
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Ge H, Liu X, Yuan H, Zhang G. Biomimetic one-pot preparation of surface biofunctionalized silica-coated magnetic composites for dual enzyme oriented immobilization without pre-purification. Enzyme Microb Technol 2023; 164:110169. [PMID: 36508943 DOI: 10.1016/j.enzmictec.2022.110169] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
Surface functioned magnetic silica particles are efficient carriers to achieve facilitated separation and recycling of biocatalysts. However, traditional methods of modifying magnetic silica particles required time-costly sequential coating and surface modification steps and toxic solvents. Herein, a green and efficient routine was proposed to prepare the surface modified silica-coated magnetic microspheres (SCEs@SiO2 @Fe3O4) in one-pot. The elastin-like polypeptides (ELPs)-SpyCatcher chimera (SCEs) were purified by inverse transition cycling with high yield (275 mg/L) and incorporated into the magnetic silica spheres based on the biomimetic silicification capability of ELPs as proved by the EDS and SEM mapping. No SCEs leaked was observed within 48 h, indicating excellent stability in buffer. Then, the biofunctionalized carriers were used to purify and immobilize the target dual enzymes (xylanase-linker-SpyTag-linker-lichenase, bienzymes) directly from the crude cell lysis solution by the spontaneous isopeptide bond reaction between SpyCatcher and SpyTag. The immobilized bienzymes were sphere-like magnetic silica particles with uniform size, which had good magnetic responsiveness. The immobilization yield, immobilization efficiency and activity recovery for xylanase were 86%, 84 % and 72 %, while for lichenase was 92 %, 86 % and 79 %, respectively. Besides, the immobilized bienzymes showed good reusability (>60 %, 10 times for xylanase, >95 %, 8 times for lichenase). The SCEs modified silica-coated magnetic microspheres are expected to provide versatile platforms for single-step of purification and immobilization of multienzymes, offering great potentials in the field of biocatalysis.
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Affiliation(s)
- Huihua Ge
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian Province, PR China.
| | - Xin Liu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian Province, PR China.
| | - Hang Yuan
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian Province, PR China.
| | - Guangya Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian Province, PR China.
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Ariaeenejad S, Motamedi E, Kavousi K, Ghasemitabesh R, Goudarzi R, Salekdeh GH, Zolfaghari B, Roy S. Enhancing the ethanol production by exploiting a novel metagenomic-derived bifunctional xylanase/β-glucosidase enzyme with improved β-glucosidase activity by a nanocellulose carrier. Front Microbiol 2023; 13:1056364. [PMID: 36687660 PMCID: PMC9845577 DOI: 10.3389/fmicb.2022.1056364] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 11/21/2022] [Indexed: 01/06/2023] Open
Abstract
Some enzymes can catalyze more than one chemical conversion for which they are physiologically specialized. This secondary function, which is called underground, promiscuous, metabolism, or cross activity, is recognized as a valuable feature and has received much attention for developing new catalytic functions in industrial applications. In this study, a novel bifunctional xylanase/β-glucosidase metagenomic-derived enzyme, PersiBGLXyn1, with underground β-glucosidase activity was mined by in-silico screening. Then, the corresponding gene was cloned, expressed and purified. The PersiBGLXyn1 improved the degradation efficiency of organic solvent pretreated coffee residue waste (CRW), and subsequently the production of bioethanol during a separate enzymatic hydrolysis and fermentation (SHF) process. After characterization, the enzyme was immobilized on a nanocellulose (NC) carrier generated from sugar beet pulp (SBP), which remarkably improved the underground activity of the enzyme up to four-fold at 80°C and up to two-fold at pH 4.0 compared to the free one. The immobilized PersiBGLXyn1 demonstrated 12 to 13-fold rise in half-life at 70 and 80°C for its underground activity. The amount of reducing sugar produced from enzymatic saccharification of the CRW was also enhanced from 12.97 g/l to 19.69 g/l by immobilization of the enzyme. Bioethanol production was 29.31 g/l for free enzyme after 72 h fermentation, while the immobilized PersiBGLXyn1 showed 51.47 g/l production titre. Overall, this study presented a cost-effective in-silico metagenomic approach to identify novel bifunctional xylanase/β-glucosidase enzyme with underground β-glucosidase activity. It also demonstrated the improved efficacy of the underground activities of the bifunctional enzyme as a promising alternative for fermentable sugars production and subsequent value-added products.
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Affiliation(s)
- Shohreh Ariaeenejad
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran,*Correspondence: Shohreh Ariaeenejad, ;
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Kaveh Kavousi
- Laboratory of Complex Biological Systems and Bioinformatics (CBB), Department of Bioinformatics, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Rezvaneh Ghasemitabesh
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Razieh Goudarzi
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Ghasem Hosseini Salekdeh
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran,Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia,Ghasem Hosseini Salekdeh,
| | - Behrouz Zolfaghari
- Department of Integrated Art and Sciences, Faculty of Education, Waseda University, Tokyo, Japan
| | - Swapnoneel Roy
- School of Computing, University of North Florida, Jacksonville, FL, United States
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Soozanipour A, Ejeian F, Boroumand Y, Rezayat A, Moradi S. Biotechnological advancements towards water, food and medical healthcare: A review. CHEMOSPHERE 2023; 312:137185. [PMID: 36368538 DOI: 10.1016/j.chemosphere.2022.137185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 10/21/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
The global health status is highly affected by the growing pace of urbanization, new lifestyles, climate changes, and resource exploitation. Modern technologies pave a promising way to deal with severe concerns toward sustainable development. Herein, we provided a comprehensive review of some popular biotechnological advancements regarding the progress achieved in water, food, and medicine, as the most substantial fields related to public health. The emergence of novel organic/inorganic materials has brought about significant improvement in conventional water treatment techniques, anti-fouling approaches, anti-microbial agents, food processing, biosensors, drug delivery systems, and implants. Particularly, a growing interest has been devoted to nanomaterials and their application for developing novel structures or improving the characteristics of standard components. Also, bioinspired materials have been widely used to improve the performance, efficiency, accuracy, stability, safety, and cost-effectiveness of traditional systems. On the other side, the fabrication of innovative devices for precisely monitoring and managing various ecosystem and human health issues is of great importance. Above all, exceptional advancements in designing ion-selective electrodes (ISEs), microelectromechanical systems (MEMs), and implantable medical devices have altered the future landscape of environmental and biomedical research. This review paper aimed to shed light on the wide-ranging materials and devices that have been developed for health applications and mainly focused on the impact of nanotechnology in this field.
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Affiliation(s)
- Asieh Soozanipour
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Fatemeh Ejeian
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
| | - Yasaman Boroumand
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Azam Rezayat
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran; Department of Chemistry, Faculty of Science, Lorestan University, Khorramabad, 68151-44316, Iran
| | - Sina Moradi
- School of Chemical Engineering, University of New South Wales, Sydney, 2052, Australia; Artificial Intelligence Centre of Excellence (AI CoE), NCSI Australia, Sydney, NSW, 2113, Australia.
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Wang L, Jiao B, Shen Y, Du R, Yuan Q, Wang J. Co-Immobilization of Lactase and Glucose Isomerase on the Novel g-C 3N 4/CF Composite Carrier for Lactulose Production. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4290. [PMID: 36500913 PMCID: PMC9738431 DOI: 10.3390/nano12234290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/27/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
The g-C3N4/CF composite carrier was prepared by ultrasound-assisted maceration and high-temperature calcination. The enzyme immobilization using the g-C3N4/CF as the novel carrier to immobilize lactase and glucose isomerase was enhanced for lactulose production. The carbon fiber (CF) was mixed with melamine powder in the mass ratio of 1:8. The g-C3N4/CF composite carrier was obtained by calcination at 550 °C for 3 h. After the analysis of characteristics, the g-C3N4/CF was successfully composited with the carbon nitride and CF, displaying the improvement of co-immobilization efficiency with the positive effects on the stability of the enzyme. The immobilization efficiency of the co-immobilized enzyme was 37% by the novel carrier of g-C3N4/CF, with the enzyme activity of 13.89 U g-1 at 60 °C. The relative activities of co-immobilized enzymes maintained much more steadily at the wider pH and higher temperature than those of the free dual enzymes, respectively. In the multi-batches of lactulose production, the relative conversion rates in enzymes co-immobilized by the composite carrier were higher than that of the free enzymes during the first four batches, as well as maintaining about a 90% relative conversation rate after the sixth batch. This study provides a novel method for the application of g-C3N4/CF in the field of immobilizing enzymes for the production of lactulose.
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Affiliation(s)
- Le Wang
- National Engineering Laboratory for Wheat & Corn Further Processing, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Bingyu Jiao
- National Engineering Laboratory for Wheat & Corn Further Processing, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yan Shen
- National Engineering Laboratory for Wheat & Corn Further Processing, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Rong Du
- National Engineering Laboratory for Wheat & Corn Further Processing, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Qipeng Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jinshui Wang
- National Engineering Laboratory for Wheat & Corn Further Processing, College of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
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Liu HL, Cheng C, Zuo LZ, Yan MY, He YL, Huang S, Ke MJ, Guo XL, Feng Y, Qian HF, Feng LL. Strain-boosted hyperoxic graphene oxide efficiently loading and improving performances of microcystinase. iScience 2022; 25:104611. [PMID: 35789835 PMCID: PMC9250033 DOI: 10.1016/j.isci.2022.104611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/09/2022] [Accepted: 06/08/2022] [Indexed: 11/02/2022] Open
Abstract
Harmful Microcystis blooms (HMBs) and microcystins (MCs) that are produced by Microcystis seriously threaten water ecosystems and human health. This study demonstrates an eco-friendly strategy for simultaneous removal of MCs and HMBs by adopting unique hyperoxic graphene oxides (HGOs) as carrier and pure microcystinase A (PMlrA) as connecting bridge to form stable HGOs@MlrA composite. After oxidation, HGOs yield inherent structural strain effects for boosting the immobilization of MlrA by material characterization and density functional theory calculations. HGO5 exhibits higher loading capacities for crude MlrA (1,559 mg·g−1) and pure MlrA (1,659 mg·g−1). Moreover, the performances of HGO5@MlrA composite, including the capability of removing MCs and HMBs, the ecological and human safety compared to MlrA or HGO5 treatment alone, have been studied. These results indicate that HGO5 can be used as a promising candidate material to effectively improve the application potential of MlrA in the simultaneous removal of MCs and HMBs. Hyperoxic graphene oxide (HGO5) provides inherent strain effects HGO5 exhibits an impressive loading capacity for MlrA A new assembly mechanism for the HGO5@MlrA composite is proposed HGO5@MlrA composite shows excellent capability and ecological safety
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T.sriwong K, Matsuda T. Recent Advances in Enzyme Immobilization Utilizing Nanotechnology for Biocatalysis. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00404] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kotchakorn T.sriwong
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Tomoko Matsuda
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
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Alagöz D, Varan NE, Toprak A, Yildirim D, Tukel SS, Fernandez-Lafuente R. Immobilization of xylanase on differently functionalized silica gel supports for orange juice clarification. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.12.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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T.sriwong K, Kamogawa R, Castro Issasi CS, Sasaki M, Matsuda T. Geotrichum candidum acetophenone reductase immobilization on reduced graphene oxide: A promising biocatalyst for green asymmetric reduction of ketones. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2021.108263] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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12
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Khine YY, Wen X, Jin X, Foller T, Joshi R. Functional groups in graphene oxide. Phys Chem Chem Phys 2022; 24:26337-26355. [DOI: 10.1039/d2cp04082d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Graphene oxide consists of diverse surface chemistry which allows tethering GO with additional functionalities and tuning its intrinsic properties. This review summarizes recently advanced methods to covalently modify GO for specific applications.
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Affiliation(s)
- Yee Yee Khine
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Xinyue Wen
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Xiaoheng Jin
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Tobias Foller
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Rakesh Joshi
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
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Kaushal J, Khatri M, Singh G, Arya SK. A multifaceted enzyme conspicuous in fruit juice clarification: An elaborate review on xylanase. Int J Biol Macromol 2021; 193:1350-1361. [PMID: 34740694 DOI: 10.1016/j.ijbiomac.2021.10.194] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/26/2021] [Accepted: 10/26/2021] [Indexed: 10/19/2022]
Abstract
Xylanase enzyme has been classified as an enzyme belonging to the glycoside hydrolase family. The catalytic action of xylanase is focused on the degradation of xylan, a substrate for this enzyme comprising of a complex arrangement of monosaccharides interlinked with the help of ester and glycosidic bonds. Xylan represents the second most profuse renewable polysaccharide present on earth. Breakage of the β- 1, 4-glycoside linkage in the xylan polymer is what makes xylanase enzyme an important biocatalyst favoring various applications including treatment of pulp for improving paper quality, improvement of bread quality, treatment of lignocelluloses waste, production of xylose sugar and production of biological fuels. Most recently, xylanase has been exploited in the food industry for the purpose of fruit juice clarification. Turbidity caused by the colloidal polysaccharides present in the freshly squeezed fruit juice poses a setback to the fruit juice industry since the commercial product must be clear and free of excess polysaccharides to improve juice quality and storage life. This review gives an overview of the recent advancements made in regards to xylanase enzyme being used commercially with main focus on its role in fruit juice clarification.
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Affiliation(s)
- Jyoti Kaushal
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, India
| | - Madhu Khatri
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, India
| | - Gursharan Singh
- Department of Medical Laboratory Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Shailendra Kumar Arya
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, India.
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Ariaeenejad S, Kavousi K, Maleki M, Motamedi E, Moosavi-Movahedi AA, Hosseini Salekdeh G. Application of free and immobilized novel bifunctional biocatalyst in biotransformation of recalcitrant lignocellulosic biomass. CHEMOSPHERE 2021; 285:131412. [PMID: 34329139 DOI: 10.1016/j.chemosphere.2021.131412] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 04/25/2021] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
Herein, an innovative, green, and practical biocatalyst was developed using conjugation of a novel bifunctional mannanase/xylanase biocatalyst (PersiManXyn1) to the modified cellulose nanocrystals (CNCs). Firstly, PersiManXyn1 was multi-stage in-silico screened from rumen macrobiota, and then cloned, expressed, and purified. Next, CNCs were synthesized from sugar beet pulp using enzymatic and acid hydrolysis processes, and then Fe3O4 NPs were anchored on their surface to produce magnetic CNCs (MCNCs). This hybrid was modified by dopamine providing DA/MCNCs nano-carrier. The bifunctional PersiManXyn1 demonstrated the superior hydrolysis activity on corn cob compared with the monofunctional xylanase enzyme (PersiXyn2). Moreover, the immobilization of PersiManXyn1 on the nano-carrier resulted in an improvement of the thermal stability, kinetic parameters (Kcat), and storage stability of the enzyme. Incorporation of the Fe3O4 NPs on the CNCs made magnetic nano-carrier with high magnetization value (25.8 emu/g) which exhibited rapid response toward the external magnetic fields. Hence, the immobilized biocatalyst could be easily separated from the products by a magnet, and reused up to 8 cycles with maintaining more than 50% of its original activity. The immobilized PersiManXyn1 generated 22.2%, 38.7%, and 35.1% more reducing sugars after 168 h hydrolysis of the sugar beet pulp, coffee waste, and rice straw, respectively, compared to the free enzyme. Based on the results, immobilization of the bifunctional PersiManXyn1 exhibited the superb performance of the enzyme to improve the conversion of the lignocellulosic wastes into high value products and develop the cost-competition biomass operations.
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Affiliation(s)
- Shohreh Ariaeenejad
- Department of Systems and synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Kaveh Kavousi
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Morteza Maleki
- Department of Systems and synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
| | | | - Ghasem Hosseini Salekdeh
- Department of Systems and synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran; Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia.
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15
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Effect of dispersants on cytotoxic properties of magnetic nanoparticles: a review. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03940-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Rafeeq H, Hussain A, Tarar MHA, Afsheen N, Bilal M, Iqbal HMN. Expanding the bio-catalysis scope and applied perspectives of nanocarrier immobilized asparaginases. 3 Biotech 2021; 11:453. [PMID: 34616647 PMCID: PMC8486911 DOI: 10.1007/s13205-021-02999-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/18/2021] [Indexed: 02/08/2023] Open
Abstract
l-asparaginase is an essential enzyme in medicine and a well-known chemotherapeutic agent. This enzyme's importance is not limited to its use as an anti-cancer agent; it also has a wide variety of medicinal applications. Antimicrobial properties, prevention of infectious disorders, autoimmune diseases, and canine and feline cancer are among the applications. Apart from the healthcare industry, its importance has been identified in the food industry as a food manufacturing agent to lower acrylamide levels. When isolated from their natural habitats, they are especially susceptible to different denaturing conditions due to their protein composition. The use of an immobilization technique is one of the most common approaches suggested to address these limitations. Immobilization is a technique that involves fixing enzymes to or inside stable supports, resulting in a heterogeneous immobilized enzyme framework. Strong support structures usually stabilize the enzymes' configuration, and their functions are maintained as a result. In recent years, there has been a lot of curiosity and focus on the ability of immobilized enzymes. The nanomaterials with ideal properties can be used to immobilize enzymes to regulate key factors that determine the efficacy of bio-catalysis. With applications in biotechnology, immunosensing, biomedicine, and nanotechnology sectors have opened a realm of opportunities for enzyme immobilization.
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Affiliation(s)
- Hamza Rafeeq
- Department of Biochemistry, Riphah International University, Faisalabad, Pakistan
| | - Asim Hussain
- Department of Biochemistry, Riphah International University, Faisalabad, Pakistan
| | | | - Nadia Afsheen
- Department of Biochemistry, Riphah International University, Faisalabad, Pakistan
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai’an, 223003 China
| | - Hafiz M. N. Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, 64849 Monterrey, Mexico
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17
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Magnetic Nanomaterials as Biocatalyst Carriers for Biomass Processing: Immobilization Strategies, Reusability, and Applications. MAGNETOCHEMISTRY 2021. [DOI: 10.3390/magnetochemistry7100133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Environmental concerns, along with oil shortages, have increased industrial interest in biomass conversion to produce biofuels and other valuable chemicals. A green option in biomass processing is the use of enzymes, such as cellulases, hemicellulases, and ligninolytic (laccase and peroxidases), which have outstanding specificity toward their substrates and can be reused if immobilized onto magnetic nanocarriers. Numerous studies report the biocatalysts’ performance after covalent binding or adsorption on differently functionalized magnetic nanoparticles (MNPs). Functionalization strategies of MNPs include silica-based surfaces obtained through a sol–gel process, graphene oxide-based nanocomposites, polymer-coated surfaces, grafting polymer brushes, and others, which have been emphasized in this review of the immobilization and co-immobilization of enzymes used for biomass conversion. Careful analysis of the parameters affecting the performance of enzyme immobilization for new hybrid matrices has enabled us to achieve wider tolerance to thermal or chemical stress by these biosystems during saccharification. Additionally, it has enabled the application of immobilized laccase to remove toxic organic compounds from lignin, among other recent advances addressed here related to the use of reusable magnetic carriers for bioderived chemical manufacturing.
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18
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Pagolu R, Singh R, Shanmugam R, Kondaveeti S, Patel SKS, Kalia VC, Lee JK. Site-directed lysine modification of xylanase for oriented immobilization onto silicon dioxide nanoparticles. BIORESOURCE TECHNOLOGY 2021; 331:125063. [PMID: 33813167 DOI: 10.1016/j.biortech.2021.125063] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 06/12/2023]
Abstract
Enhanced covalent immobilization of xylanase from Chaetomium globosum (XylCg) onto SiO2 nanoparticles was achieved by the modification of surface residues. The mutation of surface residues to lysine by site-directed mutagenesis increased the immobilization efficiency (IE) and immobilization yield (IY). The immobilized mutant XylCg (N172K-H173K-S176K-K133A-K148A) exhibited an IY of 99.5% and IE of 135%, which were 1.8- and 4.3-fold higher than immobilized wildtype (WT). Regarding the catalytic properties, the kcat and kcat/Km values were 1850 s-1 and 2030 mL mg-1 s-1 for the immobilized mutant, and 331 s-1 and 404 mL mg-1 s-1 for the immobilized WT, respectively. Additionally, the immobilized mutant exhibited four times higher thermal stability than the immobilized WT at 60 °C. These results suggest that surface-mutated lysine residues confer good stability and orientation on the support matrix, thus improving the overall performance of xylanase.
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Affiliation(s)
- Raviteja Pagolu
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea
| | - Raushan Singh
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea
| | - Ramasamy Shanmugam
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea
| | - Sanath Kondaveeti
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea
| | - Sanjay K S Patel
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea
| | - Vipin Chandra Kalia
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea
| | - Jung-Kul Lee
- Department of Chemical Engineering, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul 05029, Republic of Korea.
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19
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Steudler S, Ayubi MM, Hilpmann G, Lange R, Werner A, Walther T, Bley T. Immobilization of xylanases on metallic hollow spheres for biochemical catalysis. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.04.065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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20
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Zhang Y, Qi X, Yao S, Gao S, Xu S, Wang H, Liu X, An Y. Construction of novel curdlan-based and Ca 2+-chelated magnetic microspheres (CCMM) for efficient protein purification and oriented immobilization. Enzyme Microb Technol 2021; 148:109802. [PMID: 34116763 DOI: 10.1016/j.enzmictec.2021.109802] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 03/12/2021] [Accepted: 04/09/2021] [Indexed: 11/30/2022]
Abstract
In this study, curdlan-based and calcium ion (Ca2+)-chelated magnetic microspheres (CCMM) were prepared for protein purification and oriented immobilization. Additional purification steps before immobilization were not required. CCMM samples were produced by reverse embedding of Fe3O4 nanoparticles with curdlan and chelated with Ca2+ in the presence of iminodiacetic acid. The β-xylanase XynII from Trichoderma reesei QM6a was used to investigate the efficiency of CCMM preparation. The resulting CCMM-XynII was found to be very stable, showing 82 % and 60 % of initial activities after storage for 35 days and after being assayed ten times, respectively. In addition, the CCMM-XynII showed higher stabilities in the presence of organic solvents and multiple chemicals than the free XynII, suggesting that the CCMM-XynII could be efficient for applications requiring the presence of organic solvents. In addition, CCMM may be more suitable than commercially available Ni-NTA for purification of proteins intolerant of Ni2+.
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Affiliation(s)
- Yifeng Zhang
- College of Food Science, Shenyang Agricultural University, No.120 Dongling Road, Shenyang, 110161, China; College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
| | - Xianghui Qi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.
| | - Shuo Yao
- College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
| | - Song Gao
- College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
| | - Shumin Xu
- College of Food Science, Shenyang Agricultural University, No.120 Dongling Road, Shenyang, 110161, China; College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
| | - Hongling Wang
- College of Food Science, Shenyang Agricultural University, No.120 Dongling Road, Shenyang, 110161, China; College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
| | - Xia Liu
- College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
| | - Yingfeng An
- College of Food Science, Shenyang Agricultural University, No.120 Dongling Road, Shenyang, 110161, China; College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China.
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21
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Salem K, Jabalera Y, Puentes-Pardo JD, Vilchez-Garcia J, Sayari A, Hmida-Sayari A, Jimenez-Lopez C, Perduca M. Enzyme Storage and Recycling: Nanoassemblies of α-Amylase and Xylanase Immobilized on Biomimetic Magnetic Nanoparticles. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2021; 9:4054-4063. [PMID: 35070520 PMCID: PMC8765010 DOI: 10.1021/acssuschemeng.0c08300] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/05/2021] [Indexed: 05/03/2023]
Abstract
Immobilization of enzymes has been extensively required in a wide variety of industrial applications as a way to ensure functionality and the potential of enzyme recycling after use. In particular, enzyme immobilization on magnetic nanoparticles (MNPs) could offer reusability by means of magnetic recovery and concentration, along with increased stability and robust activity of the enzyme under different physicochemical conditions. In the present work, microbial α-amylase (AmyKS) and xylanase (XAn11) were both immobilized on different types of MNPs [MamC-mediated biomimetic MNPs (BMNPs) and inorganic MNPs] by using two different strategies (electrostatic interaction and covalent bond). AmyKS immobilization was successful using electrostatic interaction with BMNPs. Instead, the best strategy to immobilize XAn11 was using MNPs through the hetero-crosslinker 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) and N-hydroxysuccinimide (NHS). The immobilization protocols were optimized by varying glutaraldehyde (GA) concentration, enzyme quantity, and reaction time. Under optimal conditions, 92% of AmyKS and 87% of XAn11 were immobilized on BMNPs and MNPs-E/N, respectively (here referred as AmyKS-BMNPs and XAn11-MNPs nanoassemblies). The results show that the immobilization of the enzymes did not extensively alter their functionality and increased enzyme stability compared to that of the free enzyme upon storage at 4 and 20 °C. Interestingly, the immobilized amylase and xylanase were reused for 15 and 8 cycles, respectively, without significant loss of activity upon magnetic recovery of the nanoassemblies. The results suggest the great potential of these nanoassemblies in bioindustry applications.
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Affiliation(s)
- Karima Salem
- Centre
de Biotechnologie de Sfax (CBS), Université
de Sfax, Route de Sidi Mansour Km 6, BP “1177”, 3018 Sfax, Tunisie
| | - Ylenia Jabalera
- Departamento
de Microbiologia, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
| | - Jose David Puentes-Pardo
- Departamento
de Microbiologia, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
| | - Jesus Vilchez-Garcia
- Departamento
de Microbiologia, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
| | - Adel Sayari
- ENIS,
Université de Sfax, BP “1173”, 3038 Sfax, Tunisie
| | - Aïda Hmida-Sayari
- Centre
de Biotechnologie de Sfax (CBS), Université
de Sfax, Route de Sidi Mansour Km 6, BP “1177”, 3018 Sfax, Tunisie
| | - Concepcion Jimenez-Lopez
- Departamento
de Microbiologia, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
- . Phone: +34
958249833
| | - Massimiliano Perduca
- Department
of Biotechnology, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy
- . Phone: +39 0458027984
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22
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Huang C, Feng Y, Patel G, Xu XQ, Qian J, Liu Q, Kai GY. Production, immobilization and characterization of beta-glucosidase for application in cellulose degradation from a novel Aspergillus versicolor. Int J Biol Macromol 2021; 177:437-446. [PMID: 33636259 DOI: 10.1016/j.ijbiomac.2021.02.154] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/16/2021] [Accepted: 02/20/2021] [Indexed: 01/19/2023]
Abstract
Beta-glucosidase (EC 3.2.1.21) catalyzes the hydrolysis of cellobiose and cellooligosaccharides containing (1 → 4)-beta-glycosidic bonds to glucose, which is crucial in cellulosic ethanol production. In this study, Aspergillus versicolor, a novel highly productive beta-glucosidase strain, was first isolated from Camptotheca acuminata seeds. The highest beta-glucosidase activity with 812.86 U/mL was obtained by using the response surface methodology, and a 14.4-fold has increased compared to the control. The beta-glucosidase was then purified to homogeneity with recovery yield and specific activity of 25.98% and 499.15 U/mg, respectively. To enhance its stability and recyclability, the purified beta-glucosidase was first immobilized onto magnetic MnO2 by electrostatic adsorption. The immobilized materials were characterized by FR-IT, TEM and FE-SEM. Compared with the free beta-glucosidase, the immobilized enzyme exhibited enhanced thermal stability (1.5-fold raise in half-life at 50 °C), and reusability (holding over 60% activity after eight cycles), besides, the optimum pH has increased to 6.0. Substrate specificity research suggested that the enzyme had high hydrolytic activity on cellobiose. It also had a hydrolysis effect on (1 → 3) and (1 → 6)-beta-glycosidic linkages. Application trials in cellulose hydrolysis revealed that the immobilized enzyme was comparatively more effective. Our results suggested this novel immobilized beta-glucosidase makes a promising alternative for the cellulosic ethanol production.
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Affiliation(s)
- Chao Huang
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Yue Feng
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Gopal Patel
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xiao-Qian Xu
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Jun Qian
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Qun Liu
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Guo-Yin Kai
- Laboratory of Medicinal Plant Biotechnology, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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23
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Abstract
In this review, we summarized recent advances in the development and biological applications of polymeric nanoparticles embedded with superparamagnetic iron oxide nanoparticles (SPIONs). Superparamagnetic polymeric nanoparticles include core-shell nanoparticles, superparamagnetic polymeric micelles and superparamagnetic polymersomes. They have potential for various biomedical applications, including magnetic resonance imaging (MRI) contrast agents, drug delivery, detection of bacteria, viruses and proteins, etc. Finally, the challenges in the design and preparation of superparamagnetic nanoparticles towards clinical applications are explored and the prospects in this field are proposed.
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Affiliation(s)
- Yufen Xiao
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China.
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24
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Co-Immobilization of Xylanase and Scaffolding Protein onto an Immobilized Metal Ion Affinity Membrane. Catalysts 2020. [DOI: 10.3390/catal10121408] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lignocellulosic biomass conversion technology seeks to convert agricultural waste to sugars through the use of various cellulases and hemicellulases. In practice, the application of free enzymes might increase the cost of the process due to difficulties with recovery of the enzymes and products. Immobilization might be an effective approach for recovering the hydrolysis products and improving the stability and reusability of the enzymes. In this study, we used a recombinant genetic engineering approach to construct a scaffold protein gene (CipA) and a xylanase gene (XynC) fused to a dockerin gene (DocT). After expressing CipA and XynC-DocT (XynCt) genes using E. coli hosts, the crude extracts were collected. An immobilized metal ion affinity membrane/Co2+ ion (IMAM-Co2+) system was prepared to adsorb CipA in its crude extract, thereby allowing simultaneous purification and immobilization of CipA protein. A similar approach was applied for the adsorption of XynCt protein, exploiting the interaction between the cohesin units in IMAM-Co2+-CipA and the dockerin unit in XynCt. The activity of the xylanase unit was enhanced in the presence of Co2+ for both the free XynCt enzymes and the immobilized CipA-XynCt. The heat resistance and stability over a wide range of values of pH of the immobilized CipA-XynCt were superior to those of the free XynCt. Furthermore, the immobilized CipA-XynCt retained approximately 80% of its initial activity after seven reaction cycles. The values of Km and νmax of IMAM-Co2+-CipA-XynCt (1.513 mg/mL and 3.831 U/mg, respectively) were the best among those of the other tested forms of XynCt.
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25
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Murguiondo C, Mestre A, Méndez-Líter JA, Nieto-Domínguez M, de Eugenio LI, Molina-Gutiérrez M, Martínez MJ, Prieto A. Enzymatic glycosylation of bioactive acceptors catalyzed by an immobilized fungal β-xylosidase and its multi-glycoligase variant. Int J Biol Macromol 2020; 167:245-254. [PMID: 33217466 DOI: 10.1016/j.ijbiomac.2020.11.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/06/2020] [Accepted: 11/10/2020] [Indexed: 10/23/2022]
Abstract
A recombinant β-xylosidase (rBxTW1) from the ascomycete Talaromyces amestolkiae and a mutant derived from it, with mostly synthetic activity, have been immobilized as magnetic cross-linked enzyme aggregates (mCLEAs). The mCLEAs of rBxTW1 kept the excellent hydrolytic and O-transxylosylating activities of the free enzyme and had improved thermal and pH stability. The mCLEAs of the mutant also maintained or improved the catalytic properties of the soluble enzyme, synthetizing the O-xylosides of vanillin and (-)-epigallocatechin gallate, and the N- and S-xyloside of 3,5-dibromo-1,2,4-triazole and thiophenol, respectively. The mCLEAs were recyclable across 4 cycles of synthesis of the O-xylosides through a green and highly selective process. The magnetic properties of the scaffold used for immobilization may allow the easy recovery and reuse of the biocatalyst even from reactions containing insoluble lignocellulosic biomass.
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Affiliation(s)
- Carlos Murguiondo
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Anna Mestre
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Juan A Méndez-Líter
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Manuel Nieto-Domínguez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Laura I de Eugenio
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - María Molina-Gutiérrez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - María Jesús Martínez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Alicia Prieto
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
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Improvement of PersiXyn2 activity and stability in presence of Trehalose and proline as a natural osmolyte. Int J Biol Macromol 2020; 163:348-357. [DOI: 10.1016/j.ijbiomac.2020.06.288] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 01/04/2023]
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27
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Kharazmi S, Taheri-Kafrani A, Soozanipour A, Nasrollahzadeh M, Varma RS. Xylanase immobilization onto trichlorotriazine-functionalized polyethylene glycol grafted magnetic nanoparticles: A thermostable and robust nanobiocatalyst for fruit juice clarification. Int J Biol Macromol 2020; 163:402-413. [DOI: 10.1016/j.ijbiomac.2020.06.273] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 06/28/2020] [Accepted: 06/30/2020] [Indexed: 12/28/2022]
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28
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Taddia A, Brandaleze GN, Boggione MJ, Bortolato SA, Tubio G. An integrated approach to the sustainable production of xylanolytic enzymes from Aspergillus niger using agro-industrial by-products. Prep Biochem Biotechnol 2020; 50:979-991. [PMID: 32552262 DOI: 10.1080/10826068.2020.1777425] [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] [Indexed: 10/24/2022]
Abstract
Xylanolytic enzymes were produced by Aspergillus niger NRRL3 grown on agro-industrial by-products obtained from the processing of wheat flour without pretreatment. Significant parameters for xylanase production were screened and optimized. The xylanolytic activity obtained in the optimized extract was 138.3 ± 2.6 U/mL, higher than the activity obtained in an unoptimized medium (14.5 ± 0.3 U/mL) in previous work. The optimized fermentation process was performed in a successful 40-fold scale-up. The optimized enzymatic extract obtained was characterized by LC-MS. Nine enzymes were identified as constituents of the xylanolytic complex. Moreover, the xylanolytic enzymes were stable until 60 °C and over a broad range of pH. Sodium, calcium, cobalt and manganese had no inhibitory effect, meanwhile 1% w/v polyvinylpyrrolidone and 1% w/v dextran increased the xylanolytic activity. The saccharification efficiency was evaluated and the surface morphology of the lignocellulosic substrate was monitored by using scanning electron microscopy (SEM). The synergistic combination of the extracted (o purified) xylanolytic enzymes permitted a higher xylan conversion beneficial for diverse applications, such as bioethanol production. Thus, these agroindustrial by-products can be used within the framework of a circular economy, rendering an added value bioproduct, which is reused in the industry.
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Affiliation(s)
- Antonela Taddia
- Instituto de Procesos Biotecnológicos y Químicos (IPROByQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Tecnología, Rosario, Argentina.,Instituto de Química de Rosario (IQUIR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Química Analítica, Rosario, Argentina
| | - Gerónimo Nicolás Brandaleze
- Instituto de Procesos Biotecnológicos y Químicos (IPROByQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Tecnología, Rosario, Argentina.,Instituto de Química de Rosario (IQUIR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Química Analítica, Rosario, Argentina
| | - María Julia Boggione
- Instituto de Procesos Biotecnológicos y Químicos (IPROByQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Tecnología, Rosario, Argentina.,Instituto de Química de Rosario (IQUIR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Química Analítica, Rosario, Argentina
| | - Santiago Andrés Bortolato
- Instituto de Química de Rosario (IQUIR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Química Analítica, Rosario, Argentina.,Facultad de Ciencias Bioquímicas y Farmacéuticas (FCByF), Universidad Nacional de Rosario (UNR), Suipacha, Rosario, Argentina
| | - Gisela Tubio
- Instituto de Procesos Biotecnológicos y Químicos (IPROByQ), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Tecnología, Rosario, Argentina.,Instituto de Química de Rosario (IQUIR), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Departamento de Química Analítica, Rosario, Argentina
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29
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An enzymatic performance for a new swift magnetically detachable bio-conjugate of Candida rugosa lipase with modified Fe3O4–graphene oxide nanocomposite. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-019-01773-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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30
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PEGylation of graphene/iron oxide nanocomposite: assessment of release of doxorubicin, magnetically targeted drug delivery and photothermal therapy. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01255-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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31
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Sharifi M, Sohrabi MJ, Hosseinali SH, Hasan A, Kani PH, Talaei AJ, Karim AY, Nanakali NMQ, Salihi A, Aziz FM, Yan B, Khan RH, Saboury AA, Falahati M. Enzyme immobilization onto the nanomaterials: Application in enzyme stability and prodrug-activated cancer therapy. Int J Biol Macromol 2020; 143:665-676. [DOI: 10.1016/j.ijbiomac.2019.12.064] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/05/2019] [Accepted: 12/08/2019] [Indexed: 01/04/2023]
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32
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Immobilization of xylanase on modified grafted alginate polyethyleneimine bead based on impact of sodium cation effect. Int J Biol Macromol 2019; 140:1284-1295. [DOI: 10.1016/j.ijbiomac.2019.08.211] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 08/23/2019] [Accepted: 08/24/2019] [Indexed: 12/18/2022]
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33
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Zhou W, Zhuang W, Ge L, Wang Z, Wu J, Niu H, Liu D, Zhu C, Chen Y, Ying H. Surface functionalization of graphene oxide by amino acids for Thermomyces lanuginosus lipase adsorption. J Colloid Interface Sci 2019; 546:211-220. [DOI: 10.1016/j.jcis.2019.03.066] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 03/18/2019] [Accepted: 03/20/2019] [Indexed: 12/13/2022]
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34
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Lin Y, Jin W, Qiu Y, Zhang G. Programmable stimuli-responsive polypeptides for biomimetic synthesis of silica nanocomposites and enzyme self-immobilization. Int J Biol Macromol 2019; 134:1156-1169. [PMID: 31128196 DOI: 10.1016/j.ijbiomac.2019.05.159] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/21/2019] [Accepted: 05/21/2019] [Indexed: 12/26/2022]
Abstract
Bioinspired silicification is an attractive route for achieving unique silica nanocomposites. Herein, a novel, facile and inexpensive route for biosilica synthesis is developed using the stimuli-responsive elastin-like polypeptide (ELP). The ELP is precisely tailored to a silica-mineralizing peptide by programming it with lysine residues. The resulting cationic ELP[KV8F-40] is purified in ultrahigh yield using a chromatography-free ITC purification technique based on thermal-responsive property. Excitingly, the specific activity of ELP is 40-fold higher than that of silaffin. Besides, efficient and strong entrapment of ELP is achieved with over 98% of immobilization yield and less than 2% of leakage. These imply that cationic ELP may be used as a bifunctional tag (purification and immobilization) for fusion protein. An enzyme (xylanase) is therefore chosen to genetically fuse to ELP. The ELP-fused xylanase is purified by ELP with high purity (~98%) and enables the rapid (within minutes) self-immobilization. The immobilization yield was greater than 95%, and the immobilized xylanases hardly leaked from the silica matrix, demonstrating high efficiency of the self-immobilization process. The strategy developed here may provide a new opportunity for fabricating functional silica nanocomposites in a feasible and inexpensive pathway, which will have great potentials in the field of biotechnology.
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Affiliation(s)
- Yuanqing Lin
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Wenhui Jin
- Third Institute of Oceanography, Ministry of Nature Resources, Xiamen 361005, Fujian, China
| | - Yue Qiu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Guangya Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China.
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35
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Ramezani Farani M, Khadive Parsi P, Riazi G, Shafiee Ardestani M, Saligeh Rad H. Extending the application of a magnetic PEG three-part drug release device on a graphene substrate for the removal of Gram-positive and Gram-negative bacteria and cancerous and pathologic cells. Drug Des Devel Ther 2019; 13:1581-1591. [PMID: 31190738 PMCID: PMC6512786 DOI: 10.2147/dddt.s181090] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective In this study, novel graphene oxide (GO)-based nanocomposites are presented. In fact, we have tried to replace the carboxyl groups on the surface of GO with amine groups to allow the biocompatible poly(ethylene glycol) bis(carboxymethyl) ether (average Mn 600) polymer to bond through an amide bond. Materials and methods The synthesis was conducted accurately according to final characterization experiments (Raman, X-ray diffraction [XRD], atomic force microscopy [AFM], X-ray photoelectron spectroscopy [XPS], thermogravimetric analysis [TGA], etc). The antimicrobial property of this nanocomposite was examined in Escherichia coli (ATCC 25922) as Gram-negative and Staphylococcus aureus (ATCC 25923) as Gram-positive bacterial species. Besides, curcumin (CUR) was added to the produced nanocomposite both as a promising anticancer drug and an antioxidant, the toxicity of which was then assessed on cellular-based HepG2 and pC12. Results An intense increase in toxicity was detected by MTT assay. Conclusion It can mainly be concluded that the nanocomposite synthesized in this study is capable of delivering drugs with antibacterial properties.
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Affiliation(s)
- M Ramezani Farani
- School of Chemical Engineering, University College of Engineering, University of Tehran, Tehran 4563-11155, Iran,
| | - P Khadive Parsi
- School of Chemical Engineering, University College of Engineering, University of Tehran, Tehran 4563-11155, Iran,
| | - Gh Riazi
- Institute of Biophysics and Biochemistry, University of Tehran, Tehran 1417614411, Iran
| | - M Shafiee Ardestani
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran,
| | - H Saligeh Rad
- Quantitative Medical Imaging Systems Group, Research Center for Molecular and Cellular Imaging, Tehran University of Medical Sciences, Tehran, Iran.,Medical Physics and Biomedical Engineering Department, Tehran University of Medical Sciences, Tehran, Iran
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36
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Abdollahi Z, Taheri-Kafrani A, Bahrani SA, Kajani AA. PEGAylated graphene oxide/superparamagnetic nanocomposite as a high-efficiency loading nanocarrier for controlled delivery of methotrexate. J Biotechnol 2019; 298:88-97. [PMID: 30986517 DOI: 10.1016/j.jbiotec.2019.04.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 03/09/2019] [Accepted: 04/05/2019] [Indexed: 01/03/2023]
Abstract
Polymer-coated nanocarriers play an important role in targeted drug delivery. The use of polymers such as polyethylene glycol increases stability, biocompatibility, and blood circulation time of the drug, and may consequently improve the success of drug delivery. In the present work, a simple approach has been reported for synthesizing polyethylene glycol bis amin (PEGA) functionalized graphene oxide/iron oxide nanocomposite as a remarkable unit for loading drugs. The biomedical applications of the synthesized nanocomposite were investigated by immobilizing methotrexate (MTX), as an anticancer drug. The structural and morphological characteristics and the successful synthesis of the nanocomposite were evaluated by different charachterization techniques. The cytotoxicity assay of the nanocarrier showed higher toxicity against HeLa and MCF-7 cell lines, compared to free MTX. The drug release experiments in acidic and physiological conditions suggested the first order kinetics model for the release of MTX from the nanocomposite. Furthermore, the agglutination, complement activation, and coagulation time experiments demonstrated the blood compatibility of the synthesized nanocarrier.
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Affiliation(s)
- Zahra Abdollahi
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, 81746-73441, Iran
| | - Asghar Taheri-Kafrani
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, 81746-73441, Iran.
| | - Seyed Amir Bahrani
- ,IMT Lille Douai, Univ. Lille, Département Energétique Industrielle, F-59000 Lille, France
| | - Abolghasem Abbasi Kajani
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, 81746-73441, Iran
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37
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Preparation of a stable and robust nanobiocatalyst by efficiently immobilizing of pectinase onto cyanuric chloride-functionalized chitosan grafted magnetic nanoparticles. J Colloid Interface Sci 2019; 536:261-270. [DOI: 10.1016/j.jcis.2018.10.053] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/12/2018] [Accepted: 10/18/2018] [Indexed: 11/23/2022]
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38
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Wright TA, Page RC, Konkolewicz D. Polymer conjugation of proteins as a synthetic post-translational modification to impact their stability and activity. Polym Chem 2019; 10:434-454. [PMID: 31249635 PMCID: PMC6596429 DOI: 10.1039/c8py01399c] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
For more than 40 years, protein-polymer conjugates have been widely used for many applications, industrially and biomedically. These bioconjugates have been shown to modulate the activity and stability of various proteins while introducing reusability and new activities that can be used for drug delivery, improve pharmacokinetic ability, and stimuli-responsiveness. Techniques such as RDRP, ROMP and "click" have routinely been utilized for development of well-defined bioconjugate and polymeric materials. Synthesis of bioconjugate materials often take advantage of natural amino acids present within protein and peptide structures for a host of coupling chemistries. Polymer modification may elicit increased or decreased activity, activity retention under harsh conditions, prolonged activity in vivo and in vitro, and introduce stimuli responsiveness. Bioconjugation has resulted to modulated thermal stability, chemical stability, storage stability, half-life and reusability. In this review we aim to provide a brief state of the field, highlight a wide range of behaviors caused by polymer conjugation, and provide areas of future work.
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Affiliation(s)
- Thaiesha A Wright
- Department of Chemistry and Biochemistry, Miami University Oxford, Ohio 45056, United States
| | - Richard C Page
- Department of Chemistry and Biochemistry, Miami University Oxford, Ohio 45056, United States
| | - Dominik Konkolewicz
- Department of Chemistry and Biochemistry, Miami University Oxford, Ohio 45056, United States
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39
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Multiple thermostable enzyme hydrolases on magnetic nanoparticles: An immobilized enzyme-mediated approach to saccharification through simultaneous xylanase, cellulase and amylolytic glucanotransferase action. Int J Biol Macromol 2018; 120:1650-1658. [DOI: 10.1016/j.ijbiomac.2018.09.106] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 09/14/2018] [Accepted: 09/18/2018] [Indexed: 11/19/2022]
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40
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Gracida J, Arredondo-Ochoa T, García-Almendárez BE, Escamilla-García M, Shirai K, Regalado C, Amaro-Reyes A. Improved Thermal and Reusability Properties of Xylanase by Genipin Cross-Linking to Magnetic Chitosan Particles. Appl Biochem Biotechnol 2018; 188:395-409. [DOI: 10.1007/s12010-018-2928-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 11/19/2018] [Indexed: 01/12/2023]
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41
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dos Santos JP, Zavareze EDR, Dias ARG, Vanier NL. Immobilization of xylanase and xylanase–β-cyclodextrin complex in polyvinyl alcohol via electrospinning improves enzyme activity at a wide pH and temperature range. Int J Biol Macromol 2018; 118:1676-1684. [DOI: 10.1016/j.ijbiomac.2018.07.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/03/2018] [Accepted: 07/04/2018] [Indexed: 01/31/2023]
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42
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Mehnati-Najafabadi V, Taheri-Kafrani A, Bordbar AK, Eidi A. Covalent immobilization of xylanase from Thermomyces lanuginosus on aminated superparamagnetic graphene oxide nanocomposite. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1477-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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43
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Defaei M, Taheri-Kafrani A, Miroliaei M, Yaghmaei P. Improvement of stability and reusability of α-amylase immobilized on naringin functionalized magnetic nanoparticles: A robust nanobiocatalyst. Int J Biol Macromol 2018; 113:354-360. [PMID: 29486263 DOI: 10.1016/j.ijbiomac.2018.02.147] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 02/10/2018] [Accepted: 02/23/2018] [Indexed: 01/03/2023]
Abstract
Enzyme immobilized on magnetic nanoparticles (MNPs) can be used as efficient recoverable biocatalysts under strong magnetic responses. In the present work, α-amylase was immobilized onto naringin functionalized MNPs via ionic interactions. For this purpose, the MNPs were functionalized with naringin, as a biocompatible flavonoid. The morphology, structure, and properties of functionalized MNPs and the immobilization of α-amylase on synthesized nanocomposite were characterized through different analytical tools including TGA, VSM, FTIR, SEM-EDX and TEM. Furthermore, the optimum conditions of temperature, pH, reaction time and enzyme concentration for immobilization process were investigated. The results showed that the optimal conditions for immobilization of α-amylase onto synthesized nanocarrier occurred at pH6.5 and 55°C. The reusability experiments revealed high activity maintenance of immobilized α-amylase even after 10 reaction cycles. Moreover, the storage stability of immobilized enzyme improved via immobilization in comparison with free one and it maintained 60% of its initial activity after 6weeks storage at 4°C. The improvements in enzyme catalytic properties via immobilization made this nanobiocatalyst as a good candidate in bio-industrial applications. Furthermore, the synthesized nanocomposite would have the potential for practical applications in other and binary enzyme immobilization.
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Affiliation(s)
- Mahshid Defaei
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Asghar Taheri-Kafrani
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan 81746-73441, Iran.
| | - Mehran Miroliaei
- Department of Biology, Faculty of Science, University of Isfahan, Isfahan 81746-73441, Iran
| | - Parichehreh Yaghmaei
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
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44
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Enzyme Immobilization on Functionalized Graphene Oxide Nanosheets: Efficient and Robust Biocatalysts. Methods Enzymol 2018; 609:371-403. [DOI: 10.1016/bs.mie.2018.06.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
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