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Skonta A, Bellou MG, Matikas TE, Stamatis H. Colorimetric Glucose Biosensor Based on Chitosan Films and Its Application for Glucose Detection in Beverages Using a Smartphone Application. BIOSENSORS 2024; 14:299. [PMID: 38920603 PMCID: PMC11201573 DOI: 10.3390/bios14060299] [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: 05/07/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024]
Abstract
Nowadays, biosensors are gaining increasing interest in foods' and beverages' quality control, owing to their economic production, enhanced sensitivity, specificity, and faster analysis. In particular, colorimetric biosensors can be combined with color recognition applications on smartphones for the detection of analytes, rendering the whole procedure more applicable in everyday life. Herein, chitosan (CS) films were prepared with the deep eutectic solvent (DES) choline chloride/urea/glycerol (ChCl:U:Gly). Glucose oxidase (GOx), a widely utilized enzyme in quality control, was immobilized within CS films through glutaraldehyde (GA), leading to the formation of CS/GOx films. The optimized GOx concentration and DES content were determined for the films. Moreover, the effect of the pH and temperature of the glucose oxidation reaction on the enzymatic activity of GOx was studied. The structure, stability, and specificity of the CS/GOx films as well as the Km values of free and immobilized GOx were also determined. Finally, the analytical performance of the films was studied by using both a spectrophotometer and a color recognition application on a smartphone. The results demonstrated that the films were highly accurate, specific to glucose, and stable when stored at 4 °C for 4 weeks and when reused 10 times, without evident activity loss. Furthermore, the films displayed a good linear response range (0.1-0.8 mM) and a good limit of detection (LOD, 33 μM), thus being appropriate for the estimation of glucose concentration in real samples through a smartphone application.
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Affiliation(s)
- Anastasia Skonta
- Laboratory of Biotechnology, Department of Biological Applications and Technologies, University of Ioannina, 45110 Ioannina, Greece; (A.S.); (M.G.B.)
| | - Myrto G. Bellou
- Laboratory of Biotechnology, Department of Biological Applications and Technologies, University of Ioannina, 45110 Ioannina, Greece; (A.S.); (M.G.B.)
| | - Theodore E. Matikas
- Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece;
| | - Haralambos Stamatis
- Laboratory of Biotechnology, Department of Biological Applications and Technologies, University of Ioannina, 45110 Ioannina, Greece; (A.S.); (M.G.B.)
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Sun YL, Chang HF, Chiang PH, Lin MW, Lin CH, Kuo CM, Lin TC, Lin CS. Fabrication and application of glutathione biosensing SPCE strips with gold nanoparticle modification. RSC Adv 2024; 14:3808-3819. [PMID: 38274165 PMCID: PMC10809000 DOI: 10.1039/d3ra08290c] [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: 12/05/2023] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
Glutathione (GSH) is a major antioxidant in organisms. An alteration in GSH concentration has been implicated in a number of pathological conditions. Therefore, GSH sensing has become a critical issue. In this study, a disposable strip used for tyrosinase-modified electrochemical testing was fabricated for the detection of GSH levels in vivo. The system is based on tyrosinase as a biorecognition element and a screen-printed carbon electrode (SPCE) as an amperometric transducer. On the tyrosinase-SPCE strips, the oxidation reaction from catechol to o-quinone was catalyzed by tyrosinase. The tyrosinase-SPCE strips were modified with gold nanoparticles (AuNPs). In the presence of AuNPs of 25 nm diameter, the cathodic peak current of cyclic voltammetry (CV) was significantly enhanced by 5.2 fold. Under optimized conditions (250 μM catechol, 50 mM phosphate buffer, and pH 6.5), the linear response of the tyrosinase-SPCE strips ranged from 31.25 to 500 μM GSH, with a detection limit of approximately 35 μM (S/N > 3). The tyrosinase-SPCE strips have been used to detect real samples of plasma and tissue homogenates in a mouse experiment. The mice were orally administrated with N-acetylcysteine (NAC) 100 mg kg-1 once a day for 7 days; the plasma GSH significantly enhanced 2.8 fold as compared with saline-treated mice (1123 vs. 480 μM μg-1 protein). NAC administration also could alleviate the adverse effect of GSH reduction in the mice treated with doxorubicin.
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Affiliation(s)
- Yu-Ling Sun
- Aquatic Technology Research Center, Agricultural Technology Research Institute Hsinchu 300 Taiwan
| | - Hui-Fang Chang
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University Hsinchu 300 Taiwan
- Division of Endocrinology, Department of Internal Medicine, Hsinchu Mackay Memorial Hospital Hsinchu 300 Taiwan
| | - Ping-Hsuan Chiang
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University Hsinchu 300 Taiwan
| | - Meng-Wei Lin
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University Hsinchu 300 Taiwan
| | - Cheng-Han Lin
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University Hsinchu 300 Taiwan
| | - Chiu-Mei Kuo
- Department of Chemical Engineering, Chung Yuan Christian University Taoyuan City 320 Taiwan
| | - Tzu-Ching Lin
- Division of Pharmacy, Koo Foundation Sun Yat-Sen Cancer Center Taipei 100 Taiwan
| | - Chih-Sheng Lin
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University Hsinchu 300 Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Chiao Tung University Hsinchu 300 Taiwan
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Khalid A, Ali S, Rukhma, Jahangeer M, Sarwar A, Nelofer R, Aziz T, Alharbi M, Alasmari AF, Albekairi TH. Immobilization of Aspergillus oryzae tyrosine hydroxylase on ZnO nanocrystals for improved stability and catalytic efficiency towards L-dopa production. Sci Rep 2023; 13:22882. [PMID: 38129644 PMCID: PMC10739923 DOI: 10.1038/s41598-023-50198-x] [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: 10/10/2023] [Accepted: 12/16/2023] [Indexed: 12/23/2023] Open
Abstract
The current study focuses on the submerged fermentation of tyrosine hydroxylase (TH) from Aspergillus oryzae IIB-9 and its immobilization on zinc oxide nanocrystals (ZnO-NPs) for increased L-dopa production. The volume of Vogel's medium (75 ml), period of incubation (72 h), initial pH (5.5), and size of inoculum (1.5 ml) were optimal for maximum TH activity. The watch glass-dried (WG) and filter paper-dried (FP) ZnO-NPs were prepared and characterized using analytical techniques. The UV-Vis spectra revealed 295 and 285 nm absorption peaks for WG-ZnO-NPs and FP-ZnO-NPs dispersed in isopropanol. X-ray diffraction analysis confirmed the crystalline nature of ZnO-NPs. FTIR spectra band from 740 to 648.1/cm and 735.8/cm to 650.1/cm showed the stretching vibrations of WG-ZnO-NPs and FP-ZnO-NPs, respectively. The particle size of ZnO-NPs observed by scanning electron microscopy (SEM) images was between 130 and 170 nm. Furthermore, the stability of immobilized TH on ZnO-NPs was determined by varying the incubation period (10 min for WG-NPs and 15 min for FP-NPs) and temperature (45 °C and 30 °C for WG and FP-NPs, respectively). Incubating enzymes with various copper, iron, manganese, and zinc salts studied the catalytic efficiency of TH. Immobilization of TH on ZnO-NPs resulted in an 11.05-fold increase in TH activity, thus enhancing stability and catalytic efficiency.
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Affiliation(s)
- Ansa Khalid
- Institute of Industrial Biotechnology, Government College University, Lahore, Pakistan
| | - Sikander Ali
- Institute of Industrial Biotechnology, Government College University, Lahore, Pakistan.
| | - Rukhma
- Institute of Industrial Biotechnology, Government College University, Lahore, Pakistan
- Food and Biotechnology Research Center, PCSIR Laboratories Complex Ferozpur Road, Lahore, Pakistan
| | - Muhammad Jahangeer
- Food and Biotechnology Research Center, PCSIR Laboratories Complex Ferozpur Road, Lahore, Pakistan
| | - Abid Sarwar
- Food and Biotechnology Research Center, PCSIR Laboratories Complex Ferozpur Road, Lahore, Pakistan
| | - Rubina Nelofer
- Food and Biotechnology Research Center, PCSIR Laboratories Complex Ferozpur Road, Lahore, Pakistan
| | - Tariq Aziz
- Laboratory of Animal Health, Food Hygiene, and Quality, Department of Agriculture, University of Ioannina, 471 32, Arta, Greece.
| | - Metab Alharbi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Abdullah F Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Thamer H Albekairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
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Gurunathan S, Thangaraj P, Das J, Kim JH. Antibacterial and antibiofilm effects of Pseudomonas aeruginosa derived outer membrane vesicles against Streptococcus mutans. Heliyon 2023; 9:e22606. [PMID: 38125454 PMCID: PMC10730581 DOI: 10.1016/j.heliyon.2023.e22606] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 11/09/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023] Open
Abstract
Antimicrobial resistance (AMR) is a serious and most urgent global threat to human health. AMR is one of today's biggest difficulties in the health system and has the potential to harm people at any stage of life, making it a severe public health issue. There must be fewer antimicrobial medicines available to treat diseases given the rise in antibiotic-resistant organisms. If no new drugs are created or discovered, it is predicted that there won't be any effective antibiotics accessible by 2050. In most cases, Streptococcus increased antibiotic resistance by forming biofilms, which account for around 80 % of all microbial infections in humans. This highlights the need to look for new strategies to manage diseases that are resistant to antibiotics. Therefore, development alternative, biocompatible and high efficacy new strategies are essential to overcome drug resistance. Recently, bacterial derived extracellular vesicles have been applied to tackle infection and reduce the emergence of drug resistance. Therefore, the objective of the current study was designed to assess the antibacterial and antibiofilm potential of outer membrane vesicles (OMVs) derived from Pseudomonas aeruginosa againstStreptococcus mutans. According to the findings of this investigation, the pure P. aeruginosa outer membrane vesicles (PAOMVs) display a size of 100 nm. S. mutans treated with PAOMVs showed significant antibacterial and antibiofilm activity. The mechanistic studies revealed that PAOMVs induce cell death through excessive generation of reactive oxygen species and imbalance of redox leads to lipid peroxidation, decreased level of antioxidant markers including glutathione, superoxide dismutase and catalase. Further this study confirmed that PAOMVs significantly impairs metabolic activity through inhibiting lactate dehydrogenase activity (LDH), adenosine triphosphate (ATP) production, leakage of proteins and sugars. Interestingly, combination of sub-lethal concentrations of PAOMVs and antibiotics enhances cell death and biofilm formation of S. mutans. Altogether, this work, may serve as an important basis for further evaluation of PAOMVs as novel therapeutic agents against bacterial infections.
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Affiliation(s)
- Sangiliyandi Gurunathan
- Department of Biotechnology, Rathinam College of Arts and Science, Rathinam Techzone Campus, Eachanari, Coimbatore, 641 021, Tamil Nadu, India
| | - Pratheep Thangaraj
- Department of Biotechnology, Rathinam College of Arts and Science, Rathinam Techzone Campus, Eachanari, Coimbatore, 641 021, Tamil Nadu, India
| | - Joydeep Das
- Department of Chemistry, Mizoram University, Aizawl, 796 004, Mizoram, India
| | - Jin-Hoi Kim
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul, 05029, South Korea
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Li Q, Chen Z, Zhang L, Wei W, Song E, Song Y. Silicon dioxide nanoparticles adsorption alters the secondary and tertiary structures of catalase and undermines its activity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 328:121601. [PMID: 37031852 DOI: 10.1016/j.envpol.2023.121601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 03/31/2023] [Accepted: 04/06/2023] [Indexed: 05/09/2023]
Abstract
The expanding production and use of nanomaterials in various fields caused big concern for human health. Oxidative stress is the most frequently described mechanism of nanomaterial toxicity. A state of oxidative stress can be defined as the imbalance of reactive oxygen species (ROS) production and antioxidant enzyme activities. Although nanomaterials-triggered ROS generation has been extensively investigated, little is known regarding the regulation of antioxidant enzyme activities by nanomaterials. This study used two typical nanomaterials, SiO2 nanoparticles (NPs) and TiO2 NPs, to predict their binding affinities and interactions with antioxidant enzymes catalase (CAT) and superoxide dismutase (SOD). The molecular docking results showed that CAT and SOD had different binding sites, binding affinity, and interaction modes with SiO2 NPs and TiO2 NPs. The binding affinities of the two NPs to CAT were more potent than those to SOD. Consistently, the experimental work indicated NPs adsorption caused the perturbation of the second and tertiary structures of both enzymes and thus resulted in the loss of enzyme activities.
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Affiliation(s)
- Qiong Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Zhangde Chen
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Lihui Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; School of Pharmaceutical Sciences, Tongren Polytechnic College, Tongren, Guizhou, 554300, China
| | - Wei Wei
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Erqun Song
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Yang Song
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
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Popkov A, Su Z, Sigurdardóttir SB, Luo J, Malankowska M, Pinelo M. Engineering polyelectrolyte multilayer coatings as a strategy to optimize enzyme immobilization on a membrane support. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Enzyme immobilization: Implementation of nanoparticles and an insight into polystyrene as the contemporary immobilization matrix. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.05.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Insight into immobilization efficiency of Lipase enzyme as a biocatalyst on the graphene oxide for adsorption of Azo dyes from industrial wastewater effluent. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118849] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Ali AO, Ali KA, Shahein YE, Shokeer A, Sharada HM, Abdalla MS. Epoxy functionalized iron oxide magnetic nanoparticles for catalase enzyme covalent immobilization. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02180-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
AbstractAn aqueous solution of magnetite (Fe3O4) nanoparticles was synthesized using the method of co-precipitation. The nanoparticles were activated with epichlorohydrin for covalently immobilizing the catalase enzyme. The immobilization conditions were optimized as 0.07 mg/ml catalase for 1 h contact time. The properties of free and immobilized catalase were also investigated. The immobilized enzyme showed enhanced activity at alkaline pH and retained about 90% of its relative activity between pH (6–8) and resisted the high temperature and retained 90% of its relative activity at 50 °C. Kinetic parameters of free and immobilized catalase were investigated. While the Vmax value of the immobilized enzyme was reduced 2.4 fold compared to the free enzyme, the KM value of the immobilized catalase was higher by 2.2 fold than the free enzyme. The formulated matrix enhanced the velocity of the immobilized catalase more than the free one and was able to be used for about 18 cycles with retention of 80% of its activity. The immobilized catalase on epoxy functionalized iron oxide nanoparticles is promising as a nano-bio-catalyst carrying out in many industries and different fields.
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Jacob JJ, Suthindhiran K. Efficiency of Immobilized Enzymes on Bacterial Magnetosomes. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821050082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Ünlüer ÖB, Ecevit K, Diltemiz SE. Carbonic Anhydrase Carrying Electrospun Nanofibers for Biocatalysis Applications. Protein Pept Lett 2021; 28:520-532. [PMID: 33143606 DOI: 10.2174/0929866527666201103150222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Enzymes are efficient biocatalysis that catalysis a large number of reactions due to their chemical, regional, or stereo specifities and selectivity. Their usage in bioreactor or biosensor systems has great importance. Carbonic anhydrase enzyme catalyzes the interconversion between carbon dioxide and water and the dissociated ions of carbonic acid. In organisms, the carbonic anhydrase enzyme has crucial roles connected with pH and CO2 homeostasis, respiration, and transport of CO2/bicarbonate, etc. So, immobilization of the enzyme is important in stabilizing the catalyst against thermal and chemical denaturation in bioreactor systems when compared to the free enzyme that is unstable at high temperatures and extreme pH values, as well as in the presence of organic solvents or toxic reagents. Nano-scale composite materials have attracted considerable attention in recent years, and electrospinning based all-nanocomposite materials have a wide range of applications. In this study, electrospun nanofibers were fabricated and used for the supporting media for carbonic anhydrase enzyme immobilization to enhance the enzyme storage and usage facilities. OBJECTIVE In this article, our motivation is to obtain attractive electrospun support for carbonic anhydrase enzyme immobilization to enhance the enzyme reusability and storage ability in biocatalysis applications. METHODS In this article, we propose electrospun nanofibers for carbonic anhydrase carrying support for achieving our aforementioned object. In the first part of the study, agar with polyacrylonitrile (PAN) nanofibers was directly fabricated from an agar-PAN mixture solution using the electrospinning method, and fabricated nanofibers were cross-linked via glutaraldehyde (GA). The morphology, chemical structure, and stability of the electrospun nanofibers were characterized. In the second part of the study, the carbonic anhydrase enzyme was immobilized onto fabricated electrospun nanofibers. Then, enzyme activity, the parameters that affect enzyme immobilization such as pH, enzyme amount, immobilization time, etc. and reusability were investigated. RESULTS When the scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FTIR) analysis results are combined in the characterization process of the synthesized electrospun nanofibers, the optimum cross-linking time is found to be 8 hours using 5% glutaraldehyde cross-linking agent. Then, thermal stability measurements showed that the thermal stability of electrospun nanofibers has an excellent characteristic for biomedical applications. The optimum temperature value was found 37°C, pH 8 was determined as an optimum pH, and 100 ppm carbonic anhydrase enzyme concentration was found to be optimum enzyme concentration for the carbonic anhydrase enzyme immobilization. According to the kinetic data, carbonic anhydrase immobilized electrospun nanofibers acted as a biocatalyst in the conversion of the substrate to the product in 83.98%, and immobilized carbonic anhydrase enzyme is reusable up to 9 cycles in biocatalysis applications. CONCLUSION After applying the framework, we get a new biocatalysis application platform for carbonic anhydrase enzyme. Electrospun nanofibers were chosen as the support material for enzyme immobilization. By using this approach, the carbonic anhydrase enzyme could easily be used in the industrial area by cost-effective advantageous aspects.
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Affiliation(s)
- Özlem Biçen Ünlüer
- Department of Chemistry, Faculty of Sciences, Eskisehir Technical University, Yunus Emre Campus, Eskisehir 26470, Turkey
| | - Kardelen Ecevit
- Department of Chemistry, Graduate School of Sciences, Eskisehir Technical University, Eskisehir 26470, Turkey
| | - Sibel Emir Diltemiz
- Department of Chemistry, Faculty of Sciences, Eskisehir Technical University, Yunus Emre Campus, Eskisehir 26470, Turkey
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Ali AO, Abdalla MS, Shahein YE, Shokeer A, Sharada HM, Ali KA. Grafted carrageenan: alginate gel beads for catalase enzyme covalent immobilization. 3 Biotech 2021; 11:341. [PMID: 34221812 DOI: 10.1007/s13205-021-02875-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/01/2021] [Indexed: 12/15/2022] Open
Abstract
A new matrix formulation was devised for catalase immobilization. Carrageenan-alginate beads different ratios were developed and soaked into different ratios of CaCl2-KCl as a hardening solution. The best formulation for loading capacity was selected, treated with polyethylene imine followed by glutaraldehyde and further studied. The best concentration of catalase for immobilization was 300U/ml and the best loading time was 6 h. The catalytic properties increased after immobilization and the immobilized catalase achieved optimum activity at a temperature range of 30-50 °C that was compared to the optimum activity of free catalase which occurred at 40 °C. Higher catalytic activity of immobilized catalase occurred at alkaline pHs than the free one which achieved optimum catalytic activity at neutral pH. A comparison between the kinetic parameters of immobilized and free catalase showed variation. The K M and Vmax of the immobilized catalase were 2.4 fold and six times higher than those of free catalase. The results of the study indicate that the formulated matrix can be used as a good matrix for catalase enzyme in various industrial applications.
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Affiliation(s)
- Ali O Ali
- Genetic Engineering and Biotechnology Division, Molecular Biology Department, National Research Centre, El Behouth Street, Dokki, Cairo, 12622 Egypt
- Advanced Matrial and Nanotechnology Group, Center of Excellence for Advanced Science, National Research Centre, Dokki, Cairo, 12622 Egypt
| | - Mohga S Abdalla
- Chemistry Department, Faculty of Science, Helwan University, Helwan, 11795 Egypt
| | - Yasser E Shahein
- Genetic Engineering and Biotechnology Division, Molecular Biology Department, National Research Centre, El Behouth Street, Dokki, Cairo, 12622 Egypt
| | - Abeer Shokeer
- Genetic Engineering and Biotechnology Division, Molecular Biology Department, National Research Centre, El Behouth Street, Dokki, Cairo, 12622 Egypt
| | - Hayat M Sharada
- Chemistry Department, Faculty of Science, Helwan University, Helwan, 11795 Egypt
| | - Korany A Ali
- Department of Applied Organic Chemistry, National Research Centre, El Behouth Street, Dokki, Cairo, 12622 Egypt
- Advanced Matrial and Nanotechnology Group, Center of Excellence for Advanced Science, National Research Centre, Dokki, Cairo, 12622 Egypt
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Hernández-Corroto E, Sánchez-Milla M, Sánchez-Nieves J, de la Mata FJ, Marina ML, García MC. Immobilization of thermolysin enzyme on dendronized silica supports. Evaluation of its feasibility on multiple protein hydrolysis cycles. Int J Biol Macromol 2020; 165:2338-2348. [PMID: 33132126 DOI: 10.1016/j.ijbiomac.2020.10.138] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/14/2020] [Accepted: 10/16/2020] [Indexed: 11/17/2022]
Abstract
This work evaluates different dendrimer-silica supports for the immobilization of enzymes by multipoint covalent binding. Thermolysin was immobilized on two dendrimers (PAMAM and carbosilane) with two different generations (zero (G0) and first (G1)). Results were compared with a control, a silica support functionalized with a monofunctional molecule. Dendrimers increased the number of available sites to bind the enzyme. Despite the enzyme was immobilized on all supports, G0 dendrimers immobilized a 30% more enzyme than G1. Thermolysin immobilized on G0 dendrimer supports showed the highest activity and could be employed in three consecutive hydrolysis cycles. Optimal immobilization time was 1 h while optimal protein loading was 25 mg enzyme/100 mg support. Enzyme activity was promoted when using 5 mg of immobilized enzyme at 750 rpm, 60 °C, and 2 h of hydrolysis. Under these conditions, the activity of thermolysin increased up to the 78% of the free enzyme activity. Kinetics of the hydrolysis reaction using the immobilized thermolysin was also studied and compared with the obtained using the free thermolysin. The addition of ZnCl2 and NaCl during the immobilization procedure increased thermolysin activity in the second (22% more) and in the third (14% more) hydrolysis clycles.
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Affiliation(s)
- Ester Hernández-Corroto
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - María Sánchez-Milla
- Instituto de Investigación Química "Andrés M. del Río", Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá (IRYCIS), Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Javier Sánchez-Nieves
- Instituto de Investigación Química "Andrés M. del Río", Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá (IRYCIS), Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - F Javier de la Mata
- Instituto de Investigación Química "Andrés M. del Río", Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá (IRYCIS), Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - M Luisa Marina
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Instituto de Investigación Química "Andrés M. del Río", Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - M Concepción García
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Instituto de Investigación Química "Andrés M. del Río", Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain.
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Immobilization of Candida antarctica Lipase on Nanomaterials and Investigation of the Enzyme Activity and Enantioselectivity. Appl Biochem Biotechnol 2020; 193:430-445. [PMID: 33025565 DOI: 10.1007/s12010-020-03443-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 09/29/2020] [Indexed: 11/27/2022]
Abstract
This study defines the lipase immobilization protocol and enzymatic kinetic resolution of 1-phenyl ethanol with the use of immobilized lipases (LI) as a biocatalyst. Commercially available lipase Candida antarctica B (Cal-B) was immobilized onto graphene oxide (GO), iron oxide (Fe3O4) nanoparticles, and graphene oxide/iron oxide (GO/Fe3O4) nanocomposites. Characterization of pure and enzyme-loaded supports was carried out by scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy. The influences of pH, temperature, immobilization time, crosslinker concentration, glutaraldehyde (GLA), epichlorohydrin (EPH), and surfactant concentrations (Tween 80 and Triton X-100) on the catalytic activity were evaluated for these three immobilized biocatalysts. The highest immobilized enzyme activities were 15.03 U/mg, 14.72 U/mg, and 13.56 U/mg for GO-GLA-CalB, Fe3O4-GLA-CalB, and GO/Fe3O4-GLA-CalB, respectively. Moreover, enantioselectivity and reusability of these immobilized lipases were compared for the kinetic resolution of 1-phenyl ethanol, using toluene as organic solvent and vinyl acetate as acyl donor. The highest values of enantiomeric excess (ees = 99%), enantioselectivity (E = 507.74), and conversion (c = 50.73%) were obtained by using lipase immobilized onto graphene oxide (GO-GLA-CalB). It was obtained that this enzymatic process may be repeated five times without important loss of enantioselectivity.
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15
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Abdelhamid MA, Meligy AM, Yeo KB, Lee CS, Pack SP. Silaffin-3-derived pentalysine cluster as a new fusion tag for one-step immobilization and purification of recombinant Bacillus subtilis catalase on bare silica particles. Int J Biol Macromol 2020; 159:1103-1112. [DOI: 10.1016/j.ijbiomac.2020.04.172] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/02/2020] [Accepted: 04/21/2020] [Indexed: 01/15/2023]
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16
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Kutlu N, İspirli Doğaç Y, Deveci İ, Teke M. Urease immobilized electrospun PVA/chitosan nanofibers with improved stability and reusability characteristics: an application for removal of urea from artificial blood serum. Prep Biochem Biotechnol 2020; 50:425-437. [DOI: 10.1080/10826068.2019.1679175] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Nur Kutlu
- Faculty of Science, Chemistry Department, Muğla Sıtkı Koçman University, Muğla, Turkey
| | - Yasemin İspirli Doğaç
- Chemistry and Chemical Processing Technology Department, Muğla Vocational School, Muğla Sıtkı Koçman University, Muğla, Turkey
| | - İlyas Deveci
- Chemistry and Chemical Processing Technology Department, Technical Sciences Vocational School, Konya Technical University, Konya, Turkey
| | - Mustafa Teke
- Faculty of Science, Chemistry Department, Muğla Sıtkı Koçman University, Muğla, Turkey
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17
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He L, Lan W, Cen L, Chen S, Liu S, Liu Y, Ao X, Yang Y. Improving catalase stability by its immobilization on grass carp (Ctenopharyngodon idella) scale collagen self-assembly films. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110024. [DOI: 10.1016/j.msec.2019.110024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 07/18/2019] [Accepted: 07/26/2019] [Indexed: 11/25/2022]
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18
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Bodakowska-Boczniewicz J, Garncarek Z. Immobilization of Naringinase from Penicillium decumbens on Chitosan Microspheres for Debittering Grapefruit Juice. Molecules 2019; 24:E4234. [PMID: 31766403 PMCID: PMC6930494 DOI: 10.3390/molecules24234234] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 01/21/2023] Open
Abstract
Naringinase is an enzyme complex which exhibits α-l-rhamnosidase and β-d-glucosidase activity. This enzymatic complex catalyzes the hydrolysis of naringin (4',5,7-trihydroxy flavanone 7-rhamnoglucoside), the main bittering component in grapefruit. Reduction of the level of this substance during the processing of juice has been the focus of many studies. The aim of the study was the immobilization of naringinase on chitosan microspheres activated with glutaraldehyde and, finally, the use of such immobilized enzyme for debittering grapefruit juice. The effect of naringinase concentration and characterization of the immobilized enzyme compared to the soluble enzyme were investigated. The maximum activity was observed at optimum pH 4.0 for both free and immobilized naringinase. However, the optimum temperature was shifted from 70 to 40 °C upon immobilization. The KM value of the immobilized naringinase was higher than that of soluble naringinase. The immobilization did not change the thermal stability of the enzyme. The immobilized naringinase had good operational stability. This preparation retained 88.1 ± 2.8% of its initial activity after ten runs of naringin hydrolysis from fresh grapefruit juice. The results indicate that naringinase immobilized on chitosan has potential applicability for debittering and improving the sensory properties of grapefruit juices.
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Affiliation(s)
| | - Zbigniew Garncarek
- Department of Biotechnology and Food Analysis, Wroclaw University of Economics and Business, 53-345 Wroclaw, Poland;
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19
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Samsam Shariat SZA, Movahedi M, Nazem H. Immobilization of lactoperoxidase on Fe3O4 magnetic nanoparticles with improved stability. Biotechnol Lett 2019; 41:1373-1382. [DOI: 10.1007/s10529-019-02741-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 10/04/2019] [Indexed: 02/04/2023]
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20
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Sahin S. Stability evaluation of 6-phosphogluconate dehydrogenase immobilized on amino-functionalized magnetic nanoparticles. Prep Biochem Biotechnol 2019; 49:590-596. [PMID: 30929562 DOI: 10.1080/10826068.2019.1591990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
In this study, 6-phosphogluconate dehydrogenase was covalently immobilized onto the N-2-aminoethyl-3-aminopropyltriethoxysilane (APTES) modified core-shell Fe3O4@SiO2 magnetic nanoparticles (ASMNPs) using glutaraldehyde (GA). Immobilization of 6PGDH on ASMNPs was confirmed using fourier transform-infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) analysis. The NADP+ conversion ratio, the reusability, thermal, and storage stability of the immobilized 6PGDH were determined and compared with those of the free enzyme. The maximum retention of enzyme activity reached to 96% when the enzyme was immobilized on ASMNPs activated with monomer form of GA. Although the thermal stability of free and immobilized enzymes was similar, at 30 °C, the immobilized 6PGDH showed the improved thermal stability at 40 °C and 50 °C compared with free 6PGDH. While the free 6PGDH only converted 33% of NADP+ in reaction medium upon 480 s, the immobilized 6PGDH performed 56% conversion of NADP+ at same time. The immobilized 6PGDH retained 62% of its initial activity up to the fifth cycle and 35% of its initial activity after 22 days of storage at 4 °C.
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Affiliation(s)
- Selmihan Sahin
- a Arts and Sciences Faculty, Department of Chemistry , Suleyman Demirel University , Cunur , Turkey
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21
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Encapsulated catalase from Serratia genus for H2O2 decomposition in food applications. POLISH JOURNAL OF CHEMICAL TECHNOLOGY 2019. [DOI: 10.2478/pjct-2018-0052] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
The recombinant catalase isolated from a psychrotolerant microorganism belonging to Serratia genus exhibits a high activity in a wide range of pH. Due to a great catalytic potential in operational conditions, it can be used in various industrial applications whereby it acts as a hydrogen peroxide scavenger. To reduce the cost of biocatalyst the enzyme encapsulation into a hydrogel structure was proposed. The obtained results showed a high activity of encapsulated catalase in acidic conditions (pH in range 4.4 - 6.6) and at low temperatures (6-15°C). Moreover, immobilized catalase exhibited a high stability in natural media, especially in milk. Its activity during peroxide decomposition in milk, the possibility of re-using, as well as the fixed bed reactor performance confirmed wide application possibilities. High values of enzyme and substrate concentrations led to the beads burst due to rapid oxygen diffusion from the capsules, thus they are limited.
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Rafiee-Pour HA, Nejadhosseinian M, Firouzi M, Masoum S. Catalase immobilization onto magnetic multi-walled carbon nanotubes: optimization of crucial parameters using response surface methodology. NEW J CHEM 2019. [DOI: 10.1039/c8nj03517b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study catalase (CAT) immobilization onto magnetic multi-walled carbon nanotubes (mMWCNTs) was undertaken and response surface methodology (RSM) employed to determine the optimum immobilization conditions.
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Affiliation(s)
- Hossain-Ali Rafiee-Pour
- Biotechnology Division
- Department of Cell and Molecular Biology
- Faculty of Chemistry
- University of Kashan
- Kashan
| | | | - Masoumeh Firouzi
- Institute of Biochemistry and Biophysics
- University of Tehran
- Tehran
- Islamic Republic of Iran
| | - Saeed Masoum
- Department of Analytical Chemistry
- Faculty of Chemistry
- University of Kashan
- Kashan
- Islamic Republic of Iran
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Iitani K, Sato T, Naisierding M, Hayakawa Y, Toma K, Arakawa T, Mitsubayashi K. Fluorometric gas-imaging system (sniff-cam), using the extinction of NADH with an ADH reverse reaction, for acetaldehyde in the gas phase. Analyst 2018; 142:3830-3836. [PMID: 28758645 DOI: 10.1039/c7an00524e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A gas-imaging system (sniff-cam) that allows fluorometric visualization of a two-dimensional (2-D) distribution of gaseous acetaldehyde (AcH) was developed. It employed a reverse reaction of a nicotinamide adenine dinucleotide (NADH) dependent enzyme that led to consumption of NADH in that reaction. The system was constructed with a highly sensitive camera, an ultraviolet light emitting diode array sheet, two band pass filters and an alcohol dehydrogenase (ADH)-immobilized mesh that was used for AcH detection. The reverse reaction of the ADH catalyzed the reduction of AcH to ethanol and the oxidation of NADH to NAD+, which occurred when gaseous AcH was applied to the ADH immobilized mesh that was wetted with a slightly acidic NADH solution. As NADH has an autofluorescence property [emission (λem) at 490 nm; excitation (λex) at 340 nm], the presence of gaseous AcH was visualized by a decrease of fluorescence of the NADH at the ADH immobilized mesh. After constructing the gaseous AcH imaging system, optimizations of pH, and concentration of the NADH solution were performed. As a result of the optimizations (500 μM of NADH in 0.1 M of Tris hydrochloride (Tris-HCl) buffer at pH 6.5), the AcH sniff-cam showed a wide dynamic range (0.1-10 ppm) for gaseous AcH with a high correlation coefficient (R = 0.999). Furthermore, a fluorescence gradient with a rounded shape centered in a gas outlet was observed. These results demonstrated that the AcH sniff-cam utilizing the fluorescence decrease of NADH could be used to quantitatively evaluate the 2-D distribution of gaseous AcH.
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Affiliation(s)
- Kenta Iitani
- Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan.
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Pudlarz AM, Czechowska E, Ranoszek-Soliwoda K, Tomaszewska E, Celichowski G, Grobelny J, Szemraj J. Immobilization of Recombinant Human Catalase on Gold and Silver Nanoparticles. Appl Biochem Biotechnol 2018; 185:717-735. [PMID: 29299755 DOI: 10.1007/s12010-017-2682-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 12/19/2017] [Indexed: 01/20/2023]
Abstract
Human catalase cDNA was cloned into a pEX-C-His vector. Purified recombinant catalase was immobilized on nanoparticles. Gold and silver nanoparticles were synthesized in a variety of sizes by chemical reduction; no agglomerates or aggregates were observed in any of the colloids during dynamic light scattering or scanning transmission electron microscopy analysis. After immobilization on gold nanoparticles, recombinant catalase activity was found to be lower than that of the same amount of enzyme in aqueous solution. However, after 10 days of storage at room temperature, the activity of catalase immobilized on gold nanoparticles (AuNPs) of 13 and 20 nm and coverage of 133% was 68 and 83% greater than catalase in aqueous solution, respectively. During 10 days of experiment, percentage activity of catalase immobilized on those gold nanoparticles was higher in comparison to CAT in aqueous solution. Catalase immobilized on silver nanoparticles did not lose activity as significantly as catalase immobilized on AuNPs. Those results confirm the ability to produce recombinant human enzymes in a bacterial expression system and its potential use while immobilized on silver or gold nanoparticles.
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Affiliation(s)
- Agnieszka Małgorzata Pudlarz
- Department of Medical Biochemistry, Faculty of Health Sciences with the Division of Nursing and Midwifery, Medical University of Lodz, Mazowiecka 6/8, 92-215, Lodz, Poland.
| | - Ewa Czechowska
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Katarzyna Ranoszek-Soliwoda
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Emilia Tomaszewska
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Grzegorz Celichowski
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Jarosław Grobelny
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Faculty of Health Sciences with the Division of Nursing and Midwifery, Medical University of Lodz, Mazowiecka 6/8, 92-215, Lodz, Poland
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25
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Harati J, Ranaei Siadat SO, Taghavian H, Kaboli S, Khorshidi S. Improvement in biochemical characteristics of glycosylated phytase through immobilization on nanofibers. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2017. [DOI: 10.1016/j.bcab.2017.08.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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