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Gerni S, Özdemir H. Development of a new affinity chromatography method for purification of horseradish peroxidase enzyme. Biotechnol Appl Biochem 2024; 71:202-212. [PMID: 37904288 DOI: 10.1002/bab.2532] [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: 06/09/2023] [Accepted: 10/15/2023] [Indexed: 11/01/2023]
Abstract
In this study, benzohydroxamic acid molecules were synthesized from methyl 4-amino-2-methoxy, methyl 4-amino-3-nitro, methyl 4-amino-3-methyl, and methyl 4-amino-3-chloro benzoate molecules, and the horseradish peroxidase (HRP) enzyme was purified in one step using the affinity chromatography technique for the first time. The IC50 and Ki values for the 4-amino 3-methyl benzohydroxamic acid molecule were 0.136 and 0.132 ± 0.054 μM, respectively, while the IC50 and Ki values for the 4-amino-3-nitro benzohydroxamic acid molecule were 56.00 and 51.90 ± 9.90 μM, respectively. It was found that the IC50 and Ki values for the 4-amino-3-chloro benzohydroxamic acid molecule were 218.33 and 175.67 ± 43.78 μM, respectively, whereas the IC50 and Ki values for the 4-amino-2-methoxy benzohydroxamic acid molecule were 306.00 and 218.00 ± 68.80 μM, respectively. The HRP enzyme was synthesized from 4-amino-2-methoxy hydroxamic acid column with a 35.97% yield 601.13 times, 4-amino-3-nitro hydroxamic acid column, with a 14.00% yield 404.11 times, 4-amino-3-methyl hydroxamic acid column with an 8.70% yield 394.88 times, and 4-amino-3-chloro hydroxamic acid column with a 4.48% yield 284.85 times. Thus, the HRP enzyme was purified in a single step with hydroxamic acids, and its molecular weight was found to be 44 kDa. The optimum pH was 8.0, the optimum temperature was 15°C, and the optimum ionic strength was 0.4 M for the purified HRP enzyme.
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Affiliation(s)
- Serpil Gerni
- Department of Chemistry, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Hasan Özdemir
- Department of Chemistry, Faculty of Science, Ataturk University, Erzurum, Turkey
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2
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Almaz Z, Agircelik FN. Enzymatic degradation of azo dyes methylene blue and congo red with peroxidase purified from cauliflower using affinity chromatography technique: Kinetic study, optimization and metal binding activity. J Biosci Bioeng 2023:S1389-1723(23)00144-5. [PMID: 37331844 DOI: 10.1016/j.jbiosc.2023.05.011] [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: 03/03/2023] [Revised: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 06/20/2023]
Abstract
The effective results of the enzymatic decolorization of industrial azo dyes found in wastewater, which cause serious health and environmental problems, with peroxidases have recently increased the interest in these enzyme sources. Redox-mediated decolorization of Methylene Blue and Congo Red azo dyes with cauliflower (Brassica oleracea var.botrytis L.) peroxidase (CPOD) purified in one step using 4-amino 3-bromo 2-methyl benzohydrazide molecule was investigated for the first time. The inhibition effect of this molecule, which is used as a ligand in affinity chromatography, on the CPOD enzyme was investigated. The Ki and IC50 values for this enzyme were calculated as 0.113 ± 0.012 mM and 0.196 ± 0.011 mM, respectively. With the affinity gel obtained by binding to the Sepharose-4B-l-tyrosine matrix of this molecule, which shows a reversible inhibition effect, the purification values of CPOD enzyme were determined as 562-fold with a specific activity of 50,250 U mg-1. The purity of the enzyme was checked by the SDS-PAGE technique and its molecular weight was determined. A single band at 44 kDa was observed for the CPOD enzyme. In dye decolorization studies, the effects of dye, enzyme, and hydrogen peroxide concentrations as well as time, pH, and temperature were investigated. The profiles of the optimum conditions for both dyes were similar, and the percentages of decolorization of Methylene Blue and Congo Red under these conditions were 89% and 83%, respectively, at the end of the 40 min reaction time. Again, when examining the effect of metal ions on enzyme activity, it was found that there was no significant negative change in CPOD.
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Affiliation(s)
- Zuleyha Almaz
- Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Mus Alparslan University, 49250 Mus, Turkey.
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3
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Kalın R. One‐Step Isolation and Biochemical Characterization of A Novel Peroxidase Enzyme from Jerusalem Artichoke (
Helianthus Tuberosus
L.). ChemistrySelect 2023. [DOI: 10.1002/slct.202204732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Affiliation(s)
- Ramazan Kalın
- Department of Basic Sciences Faculty of Science Erzurum Technical University Erzurum 25100 Türkiye
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4
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Dahdouh A, Boucherba N, Bouacem K, Mechri S, Amirouche A, Aksas A, Jaouadi B, Kati DE. A new peroxidase from the roots of the Algerian white turnip (Brassica rapa, variety rapa): extraction, purification, characterisation, and antioxidant potential. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.1953485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Amel Dahdouh
- Laboratoire de Biochimie Appliquée (LBA), Faculté des Sciences de la Nature et de la Vie (FSNV), Université de Bejaia, Bejaia, Algeria
| | - Nawel Boucherba
- Laboratoire de Microbiologie Appliquée (LMA), Faculté des Sciences de la Nature et de la Vie (FSNV), Université de Bejaia, Bejaia, Algeria
| | - Khelifa Bouacem
- Laboratoire de Biologie Cellulaire et Moléculaire (LBCM), Equipe de Microbiologie, Faculté des Sciences Biologiques (FSB), Université des Sciences et de la Technologie Houari Boumediene (USTHB), Alger, Algeria
| | - Sondes Mechri
- Laboratoire de Biotechnologie Microbienne, Enzymatique et de Biomolécules (LBMEB), Centre de Biotechnologie de Sfax (CBS), Université de Sfax, Sfax, Tunisia
| | - Adel Amirouche
- Laboratoire de Biochimie Appliquée (LBA), Faculté des Sciences de la Nature et de la Vie (FSNV), Université de Bejaia, Bejaia, Algeria
| | - Ali Aksas
- Laboratoire de Biotechnologies Végétales et Ethnobotanique (LBVE), Faculté des Sciences de la Nature et de la Vie (FSNV), Université de Bejaia, Bejaia, Algeria
| | - Bassem Jaouadi
- Laboratoire de Biotechnologie Microbienne, Enzymatique et de Biomolécules (LBMEB), Centre de Biotechnologie de Sfax (CBS), Université de Sfax, Sfax, Tunisia
| | - Djamel Edine Kati
- Laboratoire de Biochimie Appliquée (LBA), Faculté des Sciences de la Nature et de la Vie (FSNV), Université de Bejaia, Bejaia, Algeria
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5
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Oztekin A, Tasbasi S. A novel peroxidase from runner bean (Phaseolus coccineus L.): Enhanced affinity purification, characterization, and dye decolorization activity. J Food Biochem 2020; 44:e13411. [PMID: 32748491 DOI: 10.1111/jfbc.13411] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 12/14/2022]
Abstract
In this study, a novel runner bean peroxidase (RBP) was purified and characterized. Affinity-based purification was performed with newly synthesized disubstituted 4-aminobenzohydrazides. In the purification results, 253-fold was achieved with a yield of 56.2%. Furthermore, molecular weight and enzyme purity were checked with the SDS-PAGE and observed a single band at 31.2 kDa. Optimum conditions were determined as temperature = 50°C, ionic strength = 0.2 M, and pH 7.0. Enzyme exhibited 31.2% of residual activity in the presence of 20% DMSO. Additionally, the redox-mediated decolorization effect of the enzyme was examined for Reactive Blue 19 and Acid Blue 25 dyes. As a result of 1-hr incubation, the enzyme removal activity of Reactive Blue 19 and Acid Blue 25 dyes was calculated as 47% and 57%, respectively. PRACTICAL APPLICATIONS: Peroxidases (PODs) ability to catalyze various redox reactions for many substrates makes them significant enzymes in industrial sectors. In our current report, a single-step strategy was developed and followed as an alternative to multi-step methods commonly used for the purification of PODs. During this process, high yield was achieved and the separation time was shortened. Also, the purification of RBP that can potentially supplant PODs used in the industrial applications was carried out for the first time. In addition, substrate specificity, catalytic behavior in water-miscible organic solvents, and dye bleaching activity of this enzyme have been determined to evaluate the utilization capacity in various processes.
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Affiliation(s)
- Aykut Oztekin
- Department of Medical Services and Techniques, Vocational School of Health Services, Agri Ibrahim Cecen University, Agri, Turkey
| | - Seyma Tasbasi
- Department of Chemistry, Science and Literature Faculty, Agri Ibrahim Cecen University, Agri, Turkey
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6
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Almaz Z, Oztekin A, Abul N, Gerni S, Erel D, Kocak SM, Sengül ME, Ozdemir H. A new approach for affinity-based purification of horseradish peroxidase. Biotechnol Appl Biochem 2020; 68:102-113. [PMID: 32060967 DOI: 10.1002/bab.1899] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 02/13/2020] [Indexed: 01/10/2023]
Abstract
We have developed efficient procedure for isolation of horseradish peroxidase (HRP) using aminobenzohydrazide-based affinity chromatography. Sepharose 4B-bounded aminobenzohydrazides are suitable for long-term use and large-scale purification. In this study, 26 aminobenzohydrazide derivatives were synthesized, characterized and defined as new HRP inhibitors. In addition, detailed inhibition effects of these molecules on HRP enzyme were investigated. Affinity matrix was formed by bonding aminobenzohydrazides, which exhibited inhibitory activity to sepharose-4B-l-tyrosine. HRP was isolated from crude homogenate in single step and purification factors were recorded as 1,151-fold (recovery of 8.5%) with 4-amino 3-bromo benzohydrazide and as 166.16-fold (recovery of 16.67 %) with 3-amino 4-chloro benzohydrazide.
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Affiliation(s)
- Zuleyha Almaz
- Molecular Biology and Genetics Department, Faculty of Science and Literature, Mus Alparslan University, Mus, Turkey
| | - Aykut Oztekin
- Department of Medical Services and Techniques, Vocational School of Health Services, Agri Ibrahim Cecen University, Agri, Turkey
| | - Nurgul Abul
- Department of Chemistry, Science Faculty, Atatürk University, Erzurum, Turkey
| | - Serpil Gerni
- Department of Chemistry, Science Faculty, Atatürk University, Erzurum, Turkey
| | - Deniz Erel
- Department of Chemistry, Science Faculty, Atatürk University, Erzurum, Turkey
| | - Seyma Mehtap Kocak
- Department of Chemistry, Science Faculty, Atatürk University, Erzurum, Turkey
| | - Mehmet Emin Sengül
- Department of Chemistry, Science Faculty, Atatürk University, Erzurum, Turkey
| | - Hasan Ozdemir
- Department of Chemistry, Science Faculty, Atatürk University, Erzurum, Turkey
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7
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Oztekin A, Almaz Z, Gerni S, Erel D, Kocak SM, Sengül ME, Ozdemir H. Purification of peroxidase enzyme from radish species in fast and high yield with affinity chromatography technique. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1114-1115:86-92. [DOI: 10.1016/j.jchromb.2019.03.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 03/22/2019] [Accepted: 03/26/2019] [Indexed: 02/06/2023]
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8
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Zeyadi M. Purification and characterization of peroxidase from date palm cv. Agwa fruits. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2019. [DOI: 10.1080/10942912.2019.1691589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Mustafa Zeyadi
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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9
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Zou YJ, Wang HX, Zhang JX. A Novel Peroxidase from Fresh Fruiting Bodies of the Mushroom Pleurotus pulmonarius. Int J Pept Res Ther 2018. [DOI: 10.1007/s10989-018-9784-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Peroxidase from jackfruit: Purification, characterization and thermal inactivation. Int J Biol Macromol 2018; 114:898-905. [DOI: 10.1016/j.ijbiomac.2018.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 03/28/2018] [Accepted: 04/03/2018] [Indexed: 11/17/2022]
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11
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Yuzugullu Karakus Y, Acemi A, Işık S, Duman Y. Purification of peroxidase from Amsonia orientalis by three-phase partitioning and its biochemical characterization. SEP SCI TECHNOL 2017. [DOI: 10.1080/01496395.2017.1405990] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Arda Acemi
- Department of Biology, Faculty of Arts and Sciences, Kocaeli University, Kocaeli, Turkey
| | - Semih Işık
- Department of Biology, Faculty of Arts and Sciences, Kocaeli University, Kocaeli, Turkey
| | - Yonca Duman
- Department of Chemistry, Faculty of Arts and Sciences, Kocaeli University, Kocaeli, Turkey
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12
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Altinkaynak C, Tavlasoglu S, Kalin R, Sadeghian N, Ozdemir H, Ocsoy I, Özdemir N. A hierarchical assembly of flower-like hybrid Turkish black radish peroxidase-Cu 2+ nanobiocatalyst and its effective use in dye decolorization. CHEMOSPHERE 2017; 182:122-128. [PMID: 28494355 DOI: 10.1016/j.chemosphere.2017.05.012] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 04/30/2017] [Accepted: 05/02/2017] [Indexed: 06/07/2023]
Abstract
Effective dye decolorization in wastewater still shows a big challenge. Although the biological methods, especially using enzymes, offer alternative and effective process for dye degradation and overcome the limitations of chemical and physical methods such as the instability, lack of reusability and high cost of free enzymes strictly, which limit their use in many scientific and technical applications. Enzymes rapidly lose their activities in aqueous solutions and against environmental changes due to their very susceptibility and unfavorable conformations. Herein, we report preparation of the enzyme-inorganic hybrid nanostructures with flower-like shape consisting of Turkish black radish peroxidase and Cu2+ metal ions using an encouraging enzyme immobilization approach. The peroxidase-Cu2+ hybrid nanoflowers (NFs) exhibited enhanced stability and activity towards various pH values and provided excellent dye decolorization efficiency for Victoria blue (VB) dye with more than 90% within 1 h. The NFs were also repeatedly used in efficient and caused 77% VB decolorization efficiency even at tenth cycles. However, to the best of our knowledge, for the first time, we prepared peroxidase enzyme isolated from Turkish black radish incorporated NFs and used them for dye decolorization. We believe that the NFs can be promising materials for dye decolorization in real wastewater treatment.
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Affiliation(s)
- Cevahir Altinkaynak
- Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38039, Kayseri, Turkey; Nanotechnology Research Center, Erciyes University, Kayseri, 38039, Turkey
| | - Sureyya Tavlasoglu
- Department of Chemistry, Faculty of Science, Erciyes University, Kayseri, 38039, Turkey
| | - Ramazan Kalin
- Department of Basic Sciences, Faculty of Science, Erzurum Technical University, Erzurum, Turkey; Department of Chemistry, Faculty of Science, Ataturk University, Erzurum, 25030, Turkey
| | - Nastaran Sadeghian
- Department of Chemistry, Faculty of Science, Ataturk University, Erzurum, 25030, Turkey
| | - Hasan Ozdemir
- Department of Chemistry, Faculty of Science, Ataturk University, Erzurum, 25030, Turkey
| | - Ismail Ocsoy
- Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38039, Kayseri, Turkey; Nanotechnology Research Center, Erciyes University, Kayseri, 38039, Turkey.
| | - Nalan Özdemir
- Department of Chemistry, Faculty of Science, Erciyes University, Kayseri, 38039, Turkey.
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13
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Introduction of a simple sensing device for monitoring of hydrogen peroxide based on ZnFe 2 O 4 nanoparticles/chitosan modified gold electrode. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.05.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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14
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Bracco LF, Levin GJ, Navarro del Cañizo AA, Wolman FJ, Miranda MV, Cascone O. Simultaneous purification and immobilization of soybean hull peroxidase with a dye attached to chitosan mini-spheres. BIOCATAL BIOTRANSFOR 2017. [DOI: 10.1080/10242422.2017.1334767] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Lautaro Fidel Bracco
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- NANOBIOTEC, Consejo Nacional de Investigaciones Científicas y Técnicas (UBA-CONICET), Buenos Aires, Argentina
| | - Gustavo Javier Levin
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- NANOBIOTEC, Consejo Nacional de Investigaciones Científicas y Técnicas (UBA-CONICET), Buenos Aires, Argentina
- Centro de Investigación y Transferencia de Entre Ríos (CITER) CONICET- UNER, Gualeguaychú, Entre Ríos, Argentina
| | - Agustín Andrés Navarro del Cañizo
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- NANOBIOTEC, Consejo Nacional de Investigaciones Científicas y Técnicas (UBA-CONICET), Buenos Aires, Argentina
| | - Federico Javier Wolman
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- NANOBIOTEC, Consejo Nacional de Investigaciones Científicas y Técnicas (UBA-CONICET), Buenos Aires, Argentina
| | - María Victoria Miranda
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- NANOBIOTEC, Consejo Nacional de Investigaciones Científicas y Técnicas (UBA-CONICET), Buenos Aires, Argentina
| | - Osvaldo Cascone
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- NANOBIOTEC, Consejo Nacional de Investigaciones Científicas y Técnicas (UBA-CONICET), Buenos Aires, Argentina
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15
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Altinkaynak C, Yilmaz I, Koksal Z, Özdemir H, Ocsoy I, Özdemir N. Preparation of lactoperoxidase incorporated hybrid nanoflower and its excellent activity and stability. Int J Biol Macromol 2016; 84:402-9. [DOI: 10.1016/j.ijbiomac.2015.12.018] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Revised: 12/08/2015] [Accepted: 12/10/2015] [Indexed: 12/01/2022]
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16
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Somturk B, Yilmaz I, Altinkaynak C, Karatepe A, Özdemir N, Ocsoy I. Synthesis of urease hybrid nanoflowers and their enhanced catalytic properties. Enzyme Microb Technol 2015; 86:134-42. [PMID: 26992802 DOI: 10.1016/j.enzmictec.2015.09.005] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 09/09/2015] [Accepted: 09/12/2015] [Indexed: 11/25/2022]
Abstract
Increasing numbers of materials have been extensively used as platforms for enzyme immobilization to enhance catalytic activity and stability. Although stability of enzyme was accomplished with immobilization approaches, activity of the most of the enzymes was declined after immobilization. Herein, we synthesize the flower shaped-hybrid nanomaterials called hybrid nanoflower (HNF) consisting of urease enzyme and copper ions (Cu(2+)) and report a mechanistic elucidation of enhancement in both activity and stability of the HNF. We demonstrated how experimental factors influence morphology of the HNF. We proved that the HNF (synthesized from 0.02mgmL(-1) urease in 10mM PBS (pH 7.4) at +4°C) exhibited the highest catalytic activity of ∼2000% and ∼4000% when stored at +4°C and RT, respectively compared to free urease. The highest stability was also achieved by this HNF by maintaining 96.3% and 90.28% of its initial activity within storage of 30 days at +4°C and RT, respectively. This dramatically enhanced activity is attributed to high surface area, nanoscale-entrapped urease and favorable urease conformation of the HNF. The exceptional catalytic activity and stability properties of HNF can be taken advantage of to use it in fields of biomedicine and chemistry.
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Affiliation(s)
- Burcu Somturk
- Department of Chemistry, Faculty of Science, Erciyes University, Kayseri 38039, Turkey
| | - Ismail Yilmaz
- Department of Chemistry, Faculty of Science, Erciyes University, Kayseri 38039, Turkey
| | - Cevahir Altinkaynak
- Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38039 Kayseri, Turkey; Nanotechnology Research Center, Erciyes University, Kayseri 38039, Turkey
| | - Aslıhan Karatepe
- Department of Chemistry, Faculty of Arts and Science, Nevşehir Hacı Bektaş Veli University, 50300 Nevşehir, Turkey
| | - Nalan Özdemir
- Department of Chemistry, Faculty of Science, Erciyes University, Kayseri 38039, Turkey.
| | - Ismail Ocsoy
- Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38039 Kayseri, Turkey; Nanotechnology Research Center, Erciyes University, Kayseri 38039, Turkey.
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17
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A new generation of flowerlike horseradish peroxides as a nanobiocatalyst for superior enzymatic activity. Enzyme Microb Technol 2015; 75-76:25-9. [DOI: 10.1016/j.enzmictec.2015.04.010] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 04/23/2015] [Accepted: 04/23/2015] [Indexed: 11/24/2022]
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18
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Characterization of Plant Peroxidases and Their Potential for Degradation of Dyes: a Review. Appl Biochem Biotechnol 2015; 176:1529-50. [DOI: 10.1007/s12010-015-1674-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Accepted: 05/19/2015] [Indexed: 11/27/2022]
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19
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Somturk B, Hancer M, Ocsoy I, Özdemir N. Synthesis of copper ion incorporated horseradish peroxidase-based hybrid nanoflowers for enhanced catalytic activity and stability. Dalton Trans 2015; 44:13845-52. [DOI: 10.1039/c5dt01250c] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Hybrid nanoflowers (hNFs) consisting of horseradish peroxidase (HRP) enzyme and copper ions (Cu2+) with dramatically enhanced catalytic activity and stability.
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Affiliation(s)
- Burcu Somturk
- Department of Chemistry
- Faculty of Science
- Erciyes University
- Kayseri
- 38039 Turkey
| | - Mehmet Hancer
- Nanotechnology Research Center (ERNAM)
- Erciyes University
- Kayseri
- 38039 Turkey
| | - Ismail Ocsoy
- Nanotechnology Research Center (ERNAM)
- Erciyes University
- Kayseri
- 38039 Turkey
- Department of Analytical Chemistry
| | - Nalan Özdemir
- Department of Chemistry
- Faculty of Science
- Erciyes University
- Kayseri
- 38039 Turkey
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