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Purcarea C, Ruginescu R, Banciu RM, Vasilescu A. Extremozyme-Based Biosensors for Environmental Pollution Monitoring: Recent Developments. BIOSENSORS 2024; 14:143. [PMID: 38534250 DOI: 10.3390/bios14030143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024]
Abstract
Extremozymes combine high specificity and sensitivity with the ability to withstand extreme operational conditions. This work presents an overview of extremozymes that show potential for environmental monitoring devices and outlines the latest advances in biosensors utilizing these unique molecules. The characteristics of various extremozymes described so far are presented, underlining their stability and operational conditions that make them attractive for biosensing. The biosensor design is discussed based on the detection of photosynthesis-inhibiting herbicides as a case study. Several biosensors for the detection of pesticides, heavy metals, and phenols are presented in more detail to highlight interesting substrate specificity, applications or immobilization methods. Compared to mesophilic enzymes, the integration of extremozymes in biosensors faces additional challenges related to lower availability and high production costs. The use of extremozymes in biosensing does not parallel their success in industrial applications. In recent years, the "collection" of recognition elements was enriched by extremozymes with interesting selectivity and by thermostable chimeras. The perspectives for biosensor development are exciting, considering also the progress in genetic editing for the oriented immobilization of enzymes, efficient folding, and better electron transport. Stability, production costs and immobilization at sensing interfaces must be improved to encourage wider applications of extremozymes in biosensors.
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Affiliation(s)
- Cristina Purcarea
- Department of Microbiology, Institute of Biology Bucharest of the Romanian Academy, 296 Splaiul Independentei, 060031 Bucharest, Romania
| | - Robert Ruginescu
- Department of Microbiology, Institute of Biology Bucharest of the Romanian Academy, 296 Splaiul Independentei, 060031 Bucharest, Romania
| | - Roberta Maria Banciu
- International Centre of Biodynamics, 1B Intrarea Portocalelor, 060101 Bucharest, Romania
- Department of Analytical and Physical Chemistry, University of Bucharest, 4-12 Regina Elisabeta Blvd., 030018 Bucharest, Romania
| | - Alina Vasilescu
- International Centre of Biodynamics, 1B Intrarea Portocalelor, 060101 Bucharest, Romania
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Yu XY, He JY, Tang F, Yu P, Wu L, Xiao ZL, Sun LX, Cao Z, Yu D. Highly sensitive determination of L-glutamic acid in pig serum with an enzyme-free molecularly imprinted polymer on a carbon-nanotube modified electrode. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:5589-5597. [PMID: 37850367 DOI: 10.1039/d3ay01499a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
Through electrochemical polymerization using L-glutamic acid (L-Glu) as a template and 4,6-diaminoresorcinol as a functional monomer, an enzyme-free molecularly imprinted polymer (MIP) based L-Glu sensor with multi-walled carbon nanotubes (MWCNTs) decorated on a glassy carbon electrode (GCE), namely G-MIP/MWCNTs/GCE, was developed in this work. The reaction conditions were optimized as follows: electrochemical polymerization of 23 cycles, pH of 3.0, molar ratio of template/monomer of 1 : 4, volume ratio of elution reagents of acetonitrile/formic acid of 1 : 1, and elution time of 2 min. The prepared materials and molecularly imprinted polymer were characterized by using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) as well as electrochemical methods. The electrochemical properties of different electrodes were investigated via differential pulse voltammetry (DPV), showing that the electrode of G-MIP/MWCNTs/GCE exhibited excellent catalytic oxidation activity towards L-Glu. A good linear relationship between peak-currents and L-Glu concentrations in a range from 1.00 × 10-8 to 1.00 × 10-5 mol L-1 was observed, with a detection limit of 5.13 × 10-9 mol L-1 (S/N = 3). The imprinted sensor possesses excellent selectivity, high sensitivity, and good stability, which have been successfully applied for the detection of L-Glu in pig serum samples with a recovery rate of 97.4-105.5%, being comparable to commercial high-performance liquid chromatography, demonstrating a simple, rapid, and accurate way for the determination of L-Glu in the fields of animal nutrition and biomedical engineering.
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Affiliation(s)
- Xin-Yao Yu
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Jun-Yi He
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Fei Tang
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Peng Yu
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Ling Wu
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Zhong-Liang Xiao
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Li-Xian Sun
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Zhong Cao
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China.
| | - Donghong Yu
- Department of Chemistry and Bioscience, Aalborg University, DK-9220 Aalborg, East, Denmark.
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Espina G, Atalah J, Blamey JM. Extremophilic Oxidoreductases for the Industry: Five Successful Examples With Promising Projections. Front Bioeng Biotechnol 2021; 9:710035. [PMID: 34458243 PMCID: PMC8387880 DOI: 10.3389/fbioe.2021.710035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 06/30/2021] [Indexed: 11/29/2022] Open
Abstract
In a global context where the development of more environmentally conscious technologies is an urgent need, the demand for enzymes for industrial processes is on the rise. Compared to conventional chemical catalysts, the implementation of biocatalysis presents important benefits including higher selectivity, increased sustainability, reduction in operating costs and low toxicity, which translate into cleaner production processes, lower environmental impact as well as increasing the safety of the operating staff. Most of the currently available commercial enzymes are of mesophilic origin, displaying optimal activity in narrow ranges of conditions, which limits their actual application under industrial settings. For this reason, enzymes from extremophilic microorganisms stand out for their specific characteristics, showing higher stability, activity and robustness than their mesophilic counterparts. Their unique structural adaptations allow them to resist denaturation at high temperatures and salinity, remain active at low temperatures, function at extremely acidic or alkaline pHs and high pressure, and participate in reactions in organic solvents and unconventional media. Because of the increased interest to replace chemical catalysts, the global enzymes market is continuously growing, with hydrolases being the most prominent type of enzymes, holding approximately two-third share, followed by oxidoreductases. The latter enzymes catalyze electron transfer reactions and are one of the most abundant classes of enzymes within cells. They hold a significant industrial potential, especially those from extremophiles, as their applications are multifold. In this article we aim to review the properties and potential applications of five different types of extremophilic oxidoreductases: laccases, hydrogenases, glutamate dehydrogenases (GDHs), catalases and superoxide dismutases (SODs). This selection is based on the extensive experience of our research group working with these particular enzymes, from the discovery up to the development of commercial products available for the research market.
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Affiliation(s)
| | | | - Jenny M. Blamey
- Fundación Biociencia, Santiago, Chile
- Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
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Mruga D, Soldatkin O, Paliienko K, Topcheva A, Krisanova N, Kucherenko D, Borisova T, Dzyadevych S, Soldatkin A. Optimization of the Design and Operating Conditions of an Amperometric Biosensor for Glutamate Concentration Measurements in the Blood Plasma. ELECTROANAL 2021. [DOI: 10.1002/elan.202060449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- D. Mruga
- Department of Biomolecular Electronics Institute of Molecular Biology and Genetics of NASU 150 Zabolotnogo str. Kyiv 03680 Ukraine
- Institute of High Technologies Taras Shevchenko National University of Kyiv 64 Volodymyrska str. Kyiv 01003 Ukraine
| | - O. Soldatkin
- Department of Biomolecular Electronics Institute of Molecular Biology and Genetics of NASU 150 Zabolotnogo str. Kyiv 03680 Ukraine
- Institute of High Technologies Taras Shevchenko National University of Kyiv 64 Volodymyrska str. Kyiv 01003 Ukraine
| | - K. Paliienko
- Department of Neurochemistry Palladin Institute of Biochemistry of NASU 9 Leontovicha str. Kyiv 01601 Ukraine
| | - A. Topcheva
- Department of Neurochemistry Palladin Institute of Biochemistry of NASU 9 Leontovicha str. Kyiv 01601 Ukraine
| | - N. Krisanova
- Department of Neurochemistry Palladin Institute of Biochemistry of NASU 9 Leontovicha str. Kyiv 01601 Ukraine
| | - D. Kucherenko
- Department of Biomolecular Electronics Institute of Molecular Biology and Genetics of NASU 150 Zabolotnogo str. Kyiv 03680 Ukraine
- Institute of High Technologies Taras Shevchenko National University of Kyiv 64 Volodymyrska str. Kyiv 01003 Ukraine
| | - T. Borisova
- Department of Neurochemistry Palladin Institute of Biochemistry of NASU 9 Leontovicha str. Kyiv 01601 Ukraine
| | - S. Dzyadevych
- Department of Biomolecular Electronics Institute of Molecular Biology and Genetics of NASU 150 Zabolotnogo str. Kyiv 03680 Ukraine
- Institute of High Technologies Taras Shevchenko National University of Kyiv 64 Volodymyrska str. Kyiv 01003 Ukraine
| | - A. Soldatkin
- Department of Biomolecular Electronics Institute of Molecular Biology and Genetics of NASU 150 Zabolotnogo str. Kyiv 03680 Ukraine
- Institute of High Technologies Taras Shevchenko National University of Kyiv 64 Volodymyrska str. Kyiv 01003 Ukraine
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Elugoke SE, Adekunle AS, Fayemi OE, Mamba BB, Nkambule TT, Sherif EM, Ebenso EE. Progress in electrochemical detection of neurotransmitters using carbon nanotubes/nanocomposite based materials: A chronological review. NANO SELECT 2020. [DOI: 10.1002/nano.202000082] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Saheed E. Elugoke
- Material Science Innovation and Modelling (MaSIM) Research Focus Area Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
- Department of Chemistry School of Physical and Chemical Sciences Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
| | - Abolanle S. Adekunle
- Material Science Innovation and Modelling (MaSIM) Research Focus Area Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
- Department of Chemistry School of Physical and Chemical Sciences Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
- Department of Chemistry Obafemi Awolowo University PMB Ile‐Ife Nigeria
| | - Omolola E. Fayemi
- Material Science Innovation and Modelling (MaSIM) Research Focus Area Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
- Department of Chemistry School of Physical and Chemical Sciences Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
| | - Bhekie B. Mamba
- Nanotechnology and Water Sustainability Research Unit College of Science Engineering and Technology University of South Africa Johannesburg South Africa
| | - Thabo T.I. Nkambule
- Nanotechnology and Water Sustainability Research Unit College of Science Engineering and Technology University of South Africa Johannesburg South Africa
| | - El‐Sayed M. Sherif
- Center of Excellence for Research in Engineering Materials (CEREM) King Saud University Al‐Riyadh Saudi Arabia
- Electrochemistry and Corrosion Laboratory Department of Physical Chemistry National Research Centre Dokki Cairo Egypt
| | - Eno E. Ebenso
- Material Science Innovation and Modelling (MaSIM) Research Focus Area Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
- Department of Chemistry School of Physical and Chemical Sciences Faculty of Natural and Agricultural Sciences North‐West University (Mafikeng Campus) Mmabatho South Africa
- Nanotechnology and Water Sustainability Research Unit College of Science Engineering and Technology University of South Africa Johannesburg South Africa
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Atalah J, Cáceres-Moreno P, Espina G, Blamey JM. Thermophiles and the applications of their enzymes as new biocatalysts. BIORESOURCE TECHNOLOGY 2019; 280:478-488. [PMID: 30826176 DOI: 10.1016/j.biortech.2019.02.008] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 05/20/2023]
Abstract
Ecological and efficient alternatives to industrial processes have sparked interest for using microorganisms and enzymes as biocatalysts. One of the difficulties is finding candidates capable of resisting the harsh conditions in which industrial processes usually take place. Extremophiles, microorganisms naturally found in "extreme" ecological niches, produce robust enzymes for bioprocesses and product development. Thermophiles like Geobacillus, Alyciclobacillus, Anoxybacillus, Pyrococcus and Thermoccocus are some of the extremophiles containing enzymes showing special promise for biocatalysis. Glutamate dehydrogenase used in food processes, laccases and xylanases in pulp and paper processes, nitrilases and transaminases for pharmaceutical drug synthesis and lipases present in detergents, are examples of the increasing use of enzymes for biocatalytic synthesis from thermophilic microorganisms. Some of these enzymes from thermophiles have been expressed as recombinant enzymes and are already in the market. Here we will review recent discoveries of thermophilic enzymes and their current and potential applications in industry.
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Affiliation(s)
- Joaquín Atalah
- Fundación Biociencia, José Domingo Cañas 2280, Ñuñoa, Santiago, Chile
| | | | - Giannina Espina
- Fundación Biociencia, José Domingo Cañas 2280, Ñuñoa, Santiago, Chile
| | - Jenny M Blamey
- Fundación Biociencia, José Domingo Cañas 2280, Ñuñoa, Santiago, Chile; Facultad de Química y Biología, Universidad de Santiago de Chile, Alameda 3363, Estación Central, Santiago, Chile.
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Amperometric l-glutamate biosensor based on bacterial cell-surface displayed glutamate dehydrogenase. Anal Chim Acta 2015; 884:83-9. [DOI: 10.1016/j.aca.2015.05.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 05/04/2015] [Accepted: 05/07/2015] [Indexed: 01/20/2023]
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8
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Özel RE, Hayat A, Andreescu S. RECENT DEVELOPMENTS IN ELECTROCHEMICAL SENSORS FOR THE DETECTION OF NEUROTRANSMITTERS FOR APPLICATIONS IN BIOMEDICINE. ANAL LETT 2015; 48:1044-1069. [PMID: 26973348 PMCID: PMC4787221 DOI: 10.1080/00032719.2014.976867] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Neurotransmitters are important biological molecules that are essential to many neurophysiological processes including memory, cognition, and behavioral states. The development of analytical methodologies to accurately detect neurotransmitters is of great importance in neurological and biological research. Specifically designed microelectrodes or microbiosensors have demonstrated potential for rapid, real-time measurements with high spatial resolution. Such devices can facilitate study of the role and mechanism of action of neurotransmitters and can find potential uses in biomedicine. This paper reviews the current status and recent advances in the development and application of electrochemical sensors for the detection of small-molecule neurotransmitters. Measurement challenges and opportunities of electroanalytical methods to advance study and understanding of neurotransmitters in various biological models and disease conditions are discussed.
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Affiliation(s)
- Rıfat Emrah Özel
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, USA. Fax: 3152686610; Tel: 3152682394
| | - Akhtar Hayat
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, USA. Fax: 3152686610; Tel: 3152682394
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS Institute of Information Technology (CIIT), Lahore, Pakistan
| | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, USA. Fax: 3152686610; Tel: 3152682394
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Kopparthy VL, Tangutooru SM, Guilbeau EJ. Label Free Detection of L-Glutamate Using Microfluidic Based Thermal Biosensor. Bioengineering (Basel) 2015; 2:2-14. [PMID: 28955010 PMCID: PMC5597124 DOI: 10.3390/bioengineering2010002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 01/07/2015] [Indexed: 01/09/2023] Open
Abstract
A thermoelectric biosensor for the detection of L-glutamate concentration was developed. The thermoelectric sensor is integrated into a micro-calorimeter which measures the heat produced by biochemical reactions. The device contains a single flow channel that is 120 µm high and 10 mm wide with two fluid inlets and one fluid outlet. An antimony-bismuth (Sb-Bi) thermopile with high common mode rejection ratio is attached to the lower channel wall and measures the dynamic changes in the temperature when L-glutamate undergoes oxidative deamination in the presence of glutamate oxidase (GLOD). The thermopile has a Seebeck coefficient of ~7 µV·(m·K)−1. The device geometry, together with hydrodynamic focusing, eliminates the need of extensive temperature control. Layer-by-layer assembly is used to immobilize GLOD on the surface of glass coverslips by alternate electrostatic adsorption of polyelectrolyte and GLOD. The impulse injection mode using a 6-port injection valve minimizes sample volume to 5 µL. The sensitivity of the sensor for glutamate is 17.9 nVs·mM−1 in the linear range of 0–54 mM with an R2 value of 0.9873. The lowest detection limit of the sensor for glutamate is 5.3 mM.
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Affiliation(s)
- Varun Lingaiah Kopparthy
- The Center for Biomedical Engineering and Rehabilitation Science, Louisiana Tech University, Ruston, LA 71272, USA.
| | - Siva Mahesh Tangutooru
- Department of Mechanical & Industrial Engineering, Qatar University, P.O. Box 2713, Doha, Qatar.
| | - Eric J Guilbeau
- The Center for Biomedical Engineering and Rehabilitation Science, Louisiana Tech University, Ruston, LA 71272, USA.
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Batra B, Kumari S, Pundir CS. Construction of glutamate biosensor based on covalent immobilization of glutamate oxidase on polypyrrole nanoparticles/polyaniline modified gold electrode. Enzyme Microb Technol 2014; 57:69-77. [PMID: 24629270 DOI: 10.1016/j.enzmictec.2014.02.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Revised: 01/23/2014] [Accepted: 02/01/2014] [Indexed: 11/25/2022]
Abstract
A method is described for construction of a highly sensitive electrochemical biosensor for detection of glutamate. The biosensor is based on covalent immobilization of glutamate oxidase (GluOx) onto polypyrrole nanoparticles and polyaniline composite film (PPyNPs/PANI) electrodeposited onto Au electrode. The enzyme electrode was characterized by cyclic voltammetry (CV), scanning electron microscopy (SEM), X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infra-red spectroscopy (FTIR) and electrochemical impedance spectroscopy (EIS). The biosensor showed optimum response within 3s at pH 7.5 (0.1 M sodium phosphate) and 35 °C, when operated at 50 mV s⁻¹. It exhibited excellent sensitivity (detection limit as 0.1 nM), fast response time and wider linear range (from 0.02 to 400 μM). Analytical recovery of added glutamate (5 mM and 10 mM) was 95.56 and 97%, while within batch and between batch coefficients of variation were 3.2% and 3.35% respectively. The enzyme electrode was used 100 times over a period of 60 days, when stored at 4 °C. The biosensor measured glutamate level in food stuff, which correlated well with a standard colorimetric method (r=0.99).
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Affiliation(s)
- Bhawna Batra
- Department of Biochemistry, M D University, Rohtak 124001, India
| | - Seema Kumari
- Department of Biochemistry, M D University, Rohtak 124001, India
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Gomes SP, Doležalová J, Araújo AN, Couto CMCM, Montenegro MCBSM. Glutamate sol-gel amperometric biosensor based on co-immobilised NADP+ and glutamate dehydrogenase. JOURNAL OF ANALYTICAL CHEMISTRY 2013. [DOI: 10.1134/s1061934813090049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Monošík R, Streďanský M, Šturdík E. A Biosensor Utilizing l-Glutamate Dehydrogenase and Diaphorase Immobilized on Nanocomposite Electrode for Determination of l-Glutamate in Food Samples. FOOD ANAL METHOD 2012. [DOI: 10.1007/s12161-012-9468-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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References. Anal Chem 2012. [DOI: 10.1201/b11478-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Yılmaz D, Karakuş E. Construction of a Potentiometric Glutamate Biosensor for Determination of Glutamate in Some Real Samples. ACTA ACUST UNITED AC 2011; 39:385-91. [DOI: 10.3109/10731199.2011.611473] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Erro EM, Giacomelli CE, Perez MR, Ulibarri MA, Ortiz PI, Rojas R. Amperometric flow injection analysis as a new approach for studying disperse systems. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.08.053] [Citation(s) in RCA: 3] [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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Doaga R, McCormac T, Dempsey E. Electrochemical Sensing of NADH and Glutamate Based on Meldola Blue in 1,2-Diaminobenzene and 3,4-Ethylenedioxythiophene Polymer Films. ELECTROANAL 2009. [DOI: 10.1002/elan.200904627] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Cui Y, Barford JP, Renneberg R. Development of an interference-free biosensor for l-glutamate using a bienzyme salicylate hydroxylase/l-glutamate dehydrogenase system. Enzyme Microb Technol 2007. [DOI: 10.1016/j.enzmictec.2007.06.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Redox-flexible NADH oxidase biosensor: A platform for various dehydrogenase bioassays and biosensors. Electrochim Acta 2006. [DOI: 10.1016/j.electacta.2006.03.052] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Basu AK, Chattopadhyay P, Roychudhuri U, Chakraborty R. A biosensor based on co-immobilized l-glutamate oxidase and l-glutamate dehydrogenase for analysis of monosodium glutamate in food. Biosens Bioelectron 2006; 21:1968-72. [PMID: 16289827 DOI: 10.1016/j.bios.2005.09.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2005] [Revised: 09/23/2005] [Accepted: 09/26/2005] [Indexed: 11/24/2022]
Abstract
A monosodium glutamate (MSG) biosensor made by co-immobilized L-glutamate oxidase (L-GLOD) and L-glutamate dehydrogenase (L-GLDH) as the bio-component based on substrate recycling for highly sensitive MSG or L-glutamate determination, has been developed. Regeneration of MSG by substrate recycling provided an amplification of the sensor response. Higher signal amplification was found in the presence of ammonium ion. The sensor was standardized to determine MSG in the range of 0.02-3.0 mg/L. Linearity was obtained from 0.02 to 1.2 mg/L in presence of ammonium ion (10 mM) and NADPH (reduced nicotinamide adenine dinucleotide phosphate) (2 mM), but in absence of L-GLDH, the detection limit of MSG is confined to 0.1 mg/L. The apparent Km for MSG with L-GLOD-L-GLDH coupled reaction was 0.4451 mM but 1.9222 mM when only L-GLOD was immobilized. Cross linking with glutaraldehyde in the presence of bovine serum albumin (BSA) as a spacer molecule has been used for the method of immobilization. The response time of the sensor was 2 min. The optimum pH and temperature of the biosensor has been determined as 7+/-2 and 25+/-2 degrees C, respectively. The enzyme immobilized on the membrane was used for over 50 measurements. The standard error of the sample measurement was 4-5%. The activity of the enzyme-immobilized membrane was tested over a period of 60 days.
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Affiliation(s)
- Anjan Kumar Basu
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata 700032, India
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HASEBE Y, GU T, KUSAKABE H. Glutamate Biosensor Using a DNA-Cu(II)/polyamine Membrane as a Novel Electrocataytic Layer for Cathodic Determination of Hydrogen Peroxide. ELECTROCHEMISTRY 2006. [DOI: 10.5796/electrochemistry.74.179] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Tsukatani T, Matsumoto K. Sequential fluorometric quantification of γ-aminobutyrate and l-glutamate using a single line flow-injection system with immobilized-enzyme reactors. Anal Chim Acta 2005. [DOI: 10.1016/j.aca.2005.05.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Blasi L, Longo L, Pompa PP, Manna L, Ciccarella G, Vasapollo G, Cingolani R, Rinaldi R, Rizzello A, Acierno R, Storelli C, Maffia M. Formation and characterization of glutamate dehydrogenase monolayers on silicon supports. Biosens Bioelectron 2004; 21:30-40. [PMID: 15967348 DOI: 10.1016/j.bios.2004.10.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2004] [Revised: 09/10/2004] [Accepted: 09/10/2004] [Indexed: 11/29/2022]
Abstract
In this paper we have tested two different procedures (the "three-step" and the "four-step" procedures) for the covalent immobilization of glutamate dehydrogenase (GDH) onto silicon supports. Atomic force microscopy (AFM), Fourier-transform infrared spectroscopy (FT-IR), fluorescence spectroscopy and an enzymatic assay were used to probe the structure and activity of the immobilized enzyme. Our results demonstrate that coupling through the "three-step" procedure does not significantly affect either the fold pattern or the activity of the enzyme, suggesting that this method could be ideally suited to the development of high quality monolayers for use in enzyme-based planar biosensors.
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Affiliation(s)
- L Blasi
- National Nanotechnology Laboratory of INFM, c/o Department of Innovation Engineering, University of Lecce, Italy.
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Alaejos MS, García Montelongo FJ. Application of amperometric biosensors to the determination of vitamins and alpha-amino acids. Chem Rev 2004; 104:3239-66. [PMID: 15250741 DOI: 10.1021/cr0304471] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maite Sanz Alaejos
- Department of Analytical Chemistry, Nutrition & Food Science, University of La Laguna, 38204-La Laguna, Santa Cruz de Tenerife, Spain
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Ferreira L, De Souza M, Trierweiler J, Broxtermann O, Folly R, Hitzmann B. Aspects concerning the use of biosensors for process control: experimental and simulation investigations. Comput Chem Eng 2003. [DOI: 10.1016/s0098-1354(03)00044-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Iyer R, Pavlov V, Katakis I, Bachas LG. Amperometric Sensing at High Temperature with a “Wired” Thermostable Glucose-6-phosphate Dehydrogenase from Aquifex aeolicus. Anal Chem 2003; 75:3898-901. [PMID: 14572059 DOI: 10.1021/ac026298o] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An amperometric enzyme sensor capable of operating at high temperatures was developed by utilizing a "wired" thermostable glucose-6-phosphate dehydrogenase (tG6PDH) from the hyperthermophilic bacterium Aquifex aeolicus. The response of the system was monitored through detection of the product of the enzymatic reaction, NADH, which was electrocatalytically reoxidized to NAD by a thermostable redox mediator, osmium (1,10-phenanthroline-5,6-dione)2-poly(4-vinylpyridine), at Eapp = +150 mVvs Ag/AgCl/KClsat. The enzyme was "wired" onto the surface of graphite electrodes by using an epoxy-based poly(ethylene glycol) diglycidyl ether cross-linker. The stability of the sensor at higher temperatures clearly surpassed the conventional system utilizing a mesophilic G6PDH (mG6PDH) from Leuconostoc mesenteroides. The mG6PDH-based system lost 26% of its response after 20 min at 50 degrees C. The response of the tG6PDH-based system remained unchanged under the same conditions. The tG6PDH-based system demonstrated excellent stability up to a temperature of 83 degrees C.
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Affiliation(s)
- Ramesh Iyer
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
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Ferreira L, Souza Jr M, Trierweiler J, Hitzmann B, Folly R. Analysis of experimental biosensor/FIA lactose measurements. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2003. [DOI: 10.1590/s0104-66322003000100003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Li J, Wang J, Bachas LG. Biosensor for asparagine using a thermostable recombinant asparaginase from Archaeoglobus fulgidus. Anal Chem 2002; 74:3336-41. [PMID: 12139037 DOI: 10.1021/ac015653s] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Asparaginase from the hyperthermophilic microorganism Archaeoglobus fulgidus was cloned and expressed in Escherichia coli as a fusion protein with a polyhistidine tail. After heat treatment to denature most of the native E. coli proteins, the enzyme was purified by an immobilized metal ion affinity chromatography method. The activity of the enzyme was determined by monitoring the change in ammonium concentration in solution. It was found that the enzyme is thermostable at temperatures as high as 85 degrees C. The KM for L-asparagine was 8 x 10(-5) and 5 x 10(-6) M at 37 and 70 degrees C, respectively. The catalytic activity for L-asparagine was 5-fold higher than for D-asparagine. The enzyme was immobilized in front of an ammonium-selective electrode and used to develop a biosensor for asparagine. The biosensor had a detection limit of 6 x 10(-5) M for L-asparagine. Unlike a sensor based on asparaginase from E. coli, the biosensor based on recombinant asparaginase from A. fulgidus demonstrated higher stability.
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Collins A, Mikeladze E, Bengtsson M, Kokaia M, Laurell T, Csöregi E. Interference Elimination in Glutamate Monitoring with Chip Integrated Enzyme Microreactors. ELECTROANAL 2001. [DOI: 10.1002/1521-4109(200104)13:6<425::aid-elan425>3.0.co;2-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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31
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Mankasingh U, Narinesingh D, Ngo T. Quantitation of Monosodium Glutamate Using Immobilized Glutamate Oxidase/Peroxidase and Flow Injection Analysis. ANAL LETT 2000. [DOI: 10.1080/00032710008543198] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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