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Hooda V, Gahlaut A, Hooda V. A novel amperometric biosensor for rapid detection of ethanol utilizing gold nanoparticles and enzyme coupled PVC reaction cell. ENVIRONMENTAL TECHNOLOGY 2021; 42:3318-3328. [PMID: 32013768 DOI: 10.1080/09593330.2020.1726472] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 01/30/2020] [Indexed: 06/10/2023]
Abstract
This research was aimed at the fabrication of an improved enzyme-based amperometric biosensor for rapid quantification of ethanol. Alcohol oxidase (AOX) from Pichia pastoris was covalently immobilized on chemically treated polyvinylchloride (PVC) beaker and subsequently horseradish peroxidase (HRP), nafion (Nf), carboxylated multi-walled carbon nanotubes (c-MWCNTs), chitosan (CHIT) and gold nanoparticles (AuNPs) were immobilized onto Au electrode to fabricate a working electrode. The enzyme-coated PVC surface was analysed morphologically via scanning electron microscopy (SEM). At different stages of construction, the electrochemical properties of working electrode were deciphered by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The biosensor displayed optimal response in a short time span of 12 s at pH 7.5 and 35°C temperature. The working range exhibited by the proposed biosensor was 0.01-42 mM with a limit of detection (LOD) of 0.0001 µM and storage stability of 180 days at 4°C. When level of alcohol was evaluated in commercial samples via standard assay kit and existing biosensor, a good correlation (R2 = 0.98) was observed which authenticates its reliability.
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Affiliation(s)
- Vinita Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
| | - Anjum Gahlaut
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
| | - Vikas Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
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2
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Flow-based method for the determination of biomarkers urea and ammoniacal nitrogen in saliva. Bioanalysis 2020; 12:455-465. [DOI: 10.4155/bio-2020-0036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: Salivary urea and ammonium levels are potential biomarkers for chronic kidney disease. A fast and efficient assessment of these compounds in the saliva of healthy and diseased individuals may be a useful tool to monitor kidney function. Materials & methods: Ammonium ions were measured with an ammonia selective electrode after conversion to ammonia gas. A urease reactor was incorporated in the manifold to hydrolyze urea to ammonium, thereby providing values of ammonia from both urea and ammonium ions in the sample. The accuracy of the method was assessed by comparison with a commercially available kit for urea and ammonium determination. Conclusion: A sequential injection method for the biparametric determination of salivary urea and ammonium employing a single sequential injection manifold was successfully applied to samples collected from both healthy volunteers and chronic kidney disease patients.
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Mustafa F, Andreescu S. Chemical and Biological Sensors for Food-Quality Monitoring and Smart Packaging. Foods 2018; 7:E168. [PMID: 30332833 PMCID: PMC6210272 DOI: 10.3390/foods7100168] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 10/06/2018] [Accepted: 10/10/2018] [Indexed: 12/18/2022] Open
Abstract
The growing interest in food quality and safety requires the development of sensitive and reliable methods of analysis as well as technology for freshness preservation and food quality. This review describes the status of chemical and biological sensors for food monitoring and smart packaging. Sensing designs and their analytical features for measuring freshness markers, allergens, pathogens, adulterants and toxicants are discussed with example of applications. Their potential implementation in smart packaging could facilitate food-status monitoring, reduce food waste, extend shelf-life, and improve overall food quality. However, most sensors are still in the development stage and need significant work before implementation in real-world applications. Issues like sensitivity, selectivity, robustness, and safety of the sensing materials due to potential contact or migration in food need to be established. The current development status of these technologies, along with a discussion of the challenges and opportunities for future research, are discussed.
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Affiliation(s)
- Fatima Mustafa
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699, USA.
| | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699, USA.
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Hooda V, Kumar V, Gahlaut A, Hooda V. A novel amperometric bienzymatic biosensor based on alcohol oxidase coupled PVC reaction cell and nanomaterials modified working electrode for rapid quantification of alcohol. Prep Biochem Biotechnol 2018; 48:877-886. [DOI: 10.1080/10826068.2018.1514515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Vinita Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
| | - Vikas Kumar
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
| | - Anjum Gahlaut
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
| | - Vikas Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, India
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Titoiu AM, Lapauw M, Necula-Petrareanu G, Purcarea C, Fanjul-Bolado P, Marty JL, Vasilescu A. Carbon Nanofiber and Meldola Blue Based Electrochemical Sensor for NADH: Application to the Detection of Benzaldehyde. ELECTROANAL 2018. [DOI: 10.1002/elan.201800472] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Ana Maria Titoiu
- International Centre of Biodynamics; 1B Intrarea Portocalelor 060101 Bucharest Romania
| | - Maxime Lapauw
- Institut Universitaire de Technologie; University of Perpignan via Domitia; 77 Chemin de la Passio Vella Perpignan France
| | | | - Cristina Purcarea
- Institute of Biology; 296 Splaiul Independentei 060031 Bucharest Romania
| | - Pablo Fanjul-Bolado
- Metrohm Dropsens; S.L.,Ed.CEEI, Parque Tecnológico de Asturias; 33428- Llanera, Asturias Spain
| | - Jean-Louis Marty
- BAE; University of Perpignan via Domitia, France; 52 av Paul Alduy Perpignan France*
| | - Alina Vasilescu
- International Centre of Biodynamics; 1B Intrarea Portocalelor 060101 Bucharest Romania
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Farzin L, Shamsipur M, Samandari L, Sheibani S. Advances in the design of nanomaterial-based electrochemical affinity and enzymatic biosensors for metabolic biomarkers: A review. Mikrochim Acta 2018; 185:276. [PMID: 29721621 DOI: 10.1007/s00604-018-2820-8] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/24/2018] [Indexed: 10/17/2022]
Abstract
This review (with 340 refs) focuses on methods for specific and sensitive detection of metabolites for diagnostic purposes, with particular emphasis on electrochemical nanomaterial-based sensors. It also covers novel candidate metabolites as potential biomarkers for diseases such as neurodegenerative diseases, autism spectrum disorder and hepatitis. Following an introduction into the field of metabolic biomarkers, a first major section classifies electrochemical biosensors according to the bioreceptor type (enzymatic, immuno, apta and peptide based sensors). A next section covers applications of nanomaterials in electrochemical biosensing (with subsections on the classification of nanomaterials, electrochemical approaches for signal generation and amplification using nanomaterials, and on nanomaterials as tags). A next large sections treats candidate metabolic biomarkers for diagnosis of diseases (in the context with metabolomics), with subsections on biomarkers for neurodegenerative diseases, autism spectrum disorder and hepatitis. The Conclusion addresses current challenges and future perspectives. Graphical abstract This review focuses on the recent developments in electrochemical biosensors based on the use of nanomaterials for the detection of metabolic biomarkers. It covers the critical metabolites for some diseases such as neurodegenerative diseases, autism spectrum disorder and hepatitis.
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Affiliation(s)
- Leila Farzin
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran.
| | - Mojtaba Shamsipur
- Department of Chemistry, Razi University, P.O. Box 67149-67346, Kermanshah, Iran
| | - Leila Samandari
- Department of Chemistry, Razi University, P.O. Box 67149-67346, Kermanshah, Iran
| | - Shahab Sheibani
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran
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7
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Samphao A, Butmee P, Saejueng P, Pukahuta C, Švorc Ľ, Kalcher K. Monitoring of glucose and ethanol during wine fermentation by bienzymatic biosensor. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.03.052] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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8
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Optimization of an amperometric biosensor array for simultaneous measurement of ethanol, formate, d- and l-lactate. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.07.119] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Thungon PD, Kakoti A, Ngashangva L, Goswami P. Advances in developing rapid, reliable and portable detection systems for alcohol. Biosens Bioelectron 2017; 97:83-99. [PMID: 28577501 DOI: 10.1016/j.bios.2017.05.041] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 05/16/2017] [Accepted: 05/22/2017] [Indexed: 02/08/2023]
Abstract
Development of portable, reliable, sensitive, simple, and inexpensive detection system for alcohol has been an instinctive demand not only in traditional brewing, pharmaceutical, food and clinical industries but also in rapidly growing alcohol based fuel industries. Highly sensitive, selective, and reliable alcohol detections are currently amenable typically through the sophisticated instrument based analyses confined mostly to the state-of-art analytical laboratory facilities. With the growing demand of rapid and reliable alcohol detection systems, an all-round attempt has been made over the past decade encompassing various disciplines from basic and engineering sciences. Of late, the research for developing small-scale portable alcohol detection system has been accelerated with the advent of emerging miniaturization techniques, advanced materials and sensing platforms such as lab-on-chip, lab-on-CD, lab-on-paper etc. With these new inter-disciplinary approaches along with the support from the parallel knowledge growth on rapid detection systems being pursued for various targets, the progress on translating the proof-of-concepts to commercially viable and environment friendly portable alcohol detection systems is gaining pace. Here, we summarize the progress made over the years on the alcohol detection systems, with a focus on recent advancement towards developing portable, simple and efficient alcohol sensors.
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Affiliation(s)
- Phurpa Dema Thungon
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Ankana Kakoti
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Lightson Ngashangva
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Pranab Goswami
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.
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Hooda V, Kumar V, Gahlaut A, Hooda V. Alcohol quantification: recent insights into amperometric enzyme biosensors. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:398-410. [DOI: 10.1080/21691401.2017.1315426] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Vinita Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Vikas Kumar
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Anjum Gahlaut
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Vikas Hooda
- Centre for Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India
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Gouranlou F, Ghourchian H. Ethanol/O2 biofuel cell using a biocathode consisting of laccase/ HOOC-MWCNTs/polydiallyldimethylammonium chloride. Enzyme Microb Technol 2016; 86:127-33. [DOI: 10.1016/j.enzmictec.2015.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 10/06/2015] [Accepted: 10/09/2015] [Indexed: 10/22/2022]
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12
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da Silva Nunes W, de Oliveira CS, Alcantara GB. Ethanol determination in frozen fruit pulps: an application of quantitative nuclear magnetic resonance. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2016; 54:334-340. [PMID: 26578064 DOI: 10.1002/mrc.4383] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 10/01/2015] [Accepted: 10/18/2015] [Indexed: 06/05/2023]
Abstract
This study reports the chemical composition of five types of industrial frozen fruit pulps (acerola, cashew, grape, passion fruit and pineapple fruit pulps) and compares them with homemade pulps at two different stages of ripening. The fruit pulps were characterized by analyzing their metabolic profiles and determining their ethanol content using quantitative Nuclear Magnetic Resonance (qNMR). In addition, principal component analysis (PCA) was applied to extract more information from the NMR data. We detected ethanol in all industrial and homemade pulps; and acetic acid in cashew, grape and passion fruit industrial and homemade pulps. The ethanol content in some industrial pulps is above the level recommended by regulatory agencies and is near the levels of some post-ripened homemade pulps. This study demonstrates that qNMR can be used to rapidly detect ethanol content in frozen fruit pulps and food derivatives. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Wilian da Silva Nunes
- Instituto de Química, Laboratório LP2, Universidade Federal de Mato Grosso do Sul, Av. Filinto Muller, 1555, CP 549, CEP 79074-460, Campo Grande, MS, Brazil
| | - Caroline Silva de Oliveira
- Instituto de Química, Laboratório LP2, Universidade Federal de Mato Grosso do Sul, Av. Filinto Muller, 1555, CP 549, CEP 79074-460, Campo Grande, MS, Brazil
| | - Glaucia Braz Alcantara
- Instituto de Química, Laboratório LP2, Universidade Federal de Mato Grosso do Sul, Av. Filinto Muller, 1555, CP 549, CEP 79074-460, Campo Grande, MS, Brazil
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13
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Samphao A, Kunpatee K, Prayoonpokarach S, Wittayakun J, Švorc Ľ, Stankovic DM, Zagar K, Ceh M, Kalcher K. An Ethanol Biosensor Based on Simple Immobilization of Alcohol Dehydrogenase on Fe3O4@Au Nanoparticles. ELECTROANAL 2015. [DOI: 10.1002/elan.201500315] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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14
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Gómez-Anquela C, García-Mendiola T, Abad JM, Pita M, Pariente F, Lorenzo E. Scaffold electrodes based on thioctic acid-capped gold nanoparticles coordinated Alcohol Dehydrogenase and Azure A films for high performance biosensor. Bioelectrochemistry 2015; 106:335-42. [PMID: 26152878 DOI: 10.1016/j.bioelechem.2015.06.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Revised: 06/19/2015] [Accepted: 06/21/2015] [Indexed: 10/23/2022]
Abstract
Nanometric size gold nanoparticles capped with thiotic acid are used to coordinate with the Zn (II) present in the catalytic center of Alcohol Dehydrogenase (ADH). In combination with the NADH oxidation molecular catalyst Azure A, electrografted onto carbon screen-printed electrodes, they are used as scaffold electrodes for the construction of a very efficient ethanol biosensor. The final biosensing device exhibits a highly efficient ethanol oxidation with low overpotential of -0.25 V besides a very good analytical performance with a detection limit of 0.14±0.01 μM and a stable response for more than one month.
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Affiliation(s)
- C Gómez-Anquela
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - T García-Mendiola
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - José M Abad
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - M Pita
- Instituto de Catalisis y Petroleoquimica, CSIC. C/ Marie Curie, 2, L10., 28049 Madrid, Spain.
| | - F Pariente
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - E Lorenzo
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain; IMDEA Nanociencia, Madrid, Spain.
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Shalini J, Sankaran KJ, Chen HC, Lee CY, Tai NH, Lin IN. Mediatorless N(2) incorporated diamond nanowire electrode for selective detection of NADH at stable low oxidation potential. Analyst 2014; 139:778-85. [PMID: 24352298 DOI: 10.1039/c3an01246h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The electrocatalytic properties of a N2 incorporated diamond nanowire (N-DNW) unmodified electrode towards the oxidation of nicotinamide adenine dinucleotide (NADH) was critically evaluated. The electrochemical behavior of the N-DNW unmodified electrode was examined and compared with that of boron-doped diamond, glassy carbon electrode, and graphite electrodes. The N-DNW electrode had high selectivity and high sensitivity for the differential pulse voltammetric detection of NADH in the presence of ascorbic acid at the lower and stable oxidation potential. Moreover, it exhibited strong stability after prolonged usage. The oxidation peak potential at the N-DNW electrode remained unchanged even after exposure to the solution, followed by washing, drying, and storage in laboratory air for 20 days, with minimization of surface contamination. Therefore, the N-DNW unmodified electrode shows promise for the detection of NADH and is attractive for use in a dehydrogenase based biosensor and other analytical applications.
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Affiliation(s)
- Jayakumar Shalini
- Department of Material Science and Engineering, National Tsing Hua University, Hsinchu 300, Taiwan, People's Republic of China.
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Fenga P, Cardoso F, Aquino Neto S, De Andrade A. Multiwalled carbon nanotubes to improve ethanol/air biofuel cells. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.05.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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17
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Shi J, McLamore ES, Porterfield DM. Nanomaterial based self-referencing microbiosensors for cell and tissue physiology research. Biosens Bioelectron 2013; 40:127-34. [PMID: 22889647 PMCID: PMC3604890 DOI: 10.1016/j.bios.2012.06.059] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2012] [Revised: 06/23/2012] [Accepted: 06/25/2012] [Indexed: 12/11/2022]
Abstract
Physiological studies require sensitive tools to directly quantify transport kinetics in the cell/tissue spatial domain under physiological conditions. Although biosensors are capable of measuring concentration, their applications in physiological studies are limited due to the relatively low sensitivity, excessive drift/noise, and inability to quantify analyte transport. Nanomaterials significantly improve the electrochemical transduction of microelectrodes, and make the construction of highly sensitive microbiosensors possible. Furthermore, a novel biosensor modality, self-referencing (SR), enables direct measurement of real-time flux and drift/noise subtraction. SR microbiosensors based on nanomaterials have been used to measure the real-time analyte transport in several cell/tissue studies coupled with various stimulators/inhibitors. These studies include: glucose uptake in pancreatic β cells, cancer cells, muscle tissues, intestinal tissues and P. Aeruginosa biofilms; glutamate flux near neuronal cells; and endogenous indole-3-acetic acid flux near the surface of Zea mays roots. Results from the SR studies provide important insights into cancer, diabetes, nutrition, neurophysiology, environmental and plant physiology studies under dynamic physiological conditions, demonstrating that the SR microbiosensors are an extremely valuable tool for physiology research.
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Affiliation(s)
- Jin Shi
- Birck-Bindley Physiological Sensing Facility, Purdue University, United States
- Department of Agricultural & Biological Engineering, Purdue University, United States
| | - Eric S. McLamore
- Department of Agricultural & Biological Engineering, University of Florida, United States
| | - D. Marshall Porterfield
- Birck-Bindley Physiological Sensing Facility, Purdue University, United States
- Department of Agricultural & Biological Engineering, Purdue University, United States
- Department of Horticulture and Landscape Architecture, Purdue University, United States
- Weldon School of Biomedical Engineering, Purdue University, United States
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Kowalewska B, Kulesza PJ. Toward More Efficient Bioelectrocatalytic Oxidation of Ethanol for Amperometric Sensing and Biofuel Cell Technology. Anal Chem 2012; 84:9564-71. [DOI: 10.1021/ac3021328] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Barbara Kowalewska
- Department of Chemistry, University of Warsaw, Pasteura 1, PL-02-093 Warsaw, Poland
| | - Pawel J. Kulesza
- Department of Chemistry, University of Warsaw, Pasteura 1, PL-02-093 Warsaw, Poland
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19
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Amperometric enzyme electrodes for the determination of volatile alcohols in the headspace above fruit and vegetable juices. Mikrochim Acta 2012. [DOI: 10.1007/s00604-012-0867-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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20
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Immobilization strategies to develop enzymatic biosensors. Biotechnol Adv 2012; 30:489-511. [DOI: 10.1016/j.biotechadv.2011.09.003] [Citation(s) in RCA: 723] [Impact Index Per Article: 60.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2011] [Revised: 09/02/2011] [Accepted: 09/09/2011] [Indexed: 11/18/2022]
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Detection of NADH and ethanol at a graphite electrode modified with titania sol-gel/Meldola’s Blue/MWCNT/Nafion nanocomposite film. OPEN CHEM 2012. [DOI: 10.2478/s11532-011-0132-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractFor electrocatalytic determination of NADH, a graphite electrode modified with titania sol-gel/Meldola’s Blue/MWCNT/Nafion nanocomposite was proposed. The composition of the matrix film was optimised in terms of the content of carbon nanotubes and Nafion. Incorporation of a redox mediator, Meldola’s Blue, into the nanocomposite film enabled electrocatalytic determination of NADH at a low potential, −50 mV. For determination of ethanol, alcohol dehydrogenase (ADH) was immobilized into the matrix layer. Experimental conditions affecting the biosensor response were examined, including enzyme loading, temperature of measurement and pH of background electrolyte. Assessments of the analytical characteristics of the biosensor were performed with respect to sensitivity, limit of detection, operational stability, repeatability and reproducibility. The proposed biosensor showed electrocatalytic activity toward oxidation of ethanol with sensitivity of 2.24 µA L mmol−1, linear range from 0.05 to 1.1 mmol L−1, and limit of detection of 25 µmol L−1. The apparent Michaelis-Menten constant was 1.24 mmol L−1, indicating a high biological affinity of ADH/titania sol-gel/Meldola’s Blue/MWCNT/Nafion electrode for ethanol. The developed biosensor was tested in determinations of ethanol content in alcoholic beverages.
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Kowalewska B, Kulesza PJ. Development of an Integrated System for Immobilization and Mediating Charge to Alcohol Dehydrogenase During Bioelectrocatalytic Oxidation and Detection of Ethanol. ELECTROANAL 2012. [DOI: 10.1002/elan.201100498] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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23
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Teymourian H, Salimi A, Hallaj R. Electrocatalytic oxidation of NADH at electrogenerated NAD+ oxidation product immobilized onto multiwalled carbon nanotubes/ionic liquid nanocomposite: application to ethanol biosensing. Talanta 2012; 90:91-8. [PMID: 22340121 DOI: 10.1016/j.talanta.2012.01.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Revised: 12/18/2011] [Accepted: 01/01/2012] [Indexed: 10/14/2022]
Abstract
The multiwalled carbon nanotubes/N-butyl-N-methyl-pyrolydinium-bis(trifluoromethylsulfonyl)imide [C(4)mpyr][NTf(2)] ionic liquid (MWCNTs/IL) modified glassy carbon (GC) electrode has been utilized as a platform to immobilize electrogenerated NAD(+) oxidation products (Ox-P(NAD(+))). During potential cycling, the adenine moiety of NAD(+) molecule is oxidized and gives rise to generation of a redox active system that shows great electrocatalytic activity toward NADH oxidation. The cyclic voltammetric results indicated the ability of MWCNTs/IL/Ox-P(NAD(+)) modified GC electrode to catalyze the oxidation of NADH at a very low potential (0.05 V vs. Ag/AgCl) and subsequently, a substantial decrease in the overpotential by about 600 mV compared with the bare GC electrode. This modified electrode thus allowed highly sensitive amperometric detection of NADH with a very low limit of detection (2 × 10(-8) mol L(-1)), low applied potential (+0.05 V) at concentration range up to 4.2 × 10(-5) mol L(-1) and minimum of surface fouling. High ability of MWCNTs/IL/Ox-P(NAD(+)) to promote electron transfer between NADH and the electrode suggested a new promising biocompatible platform for development of dehydrogenase-based amperometric biosensors. With alcohol dehydrogenase (ADH) as a model enzyme, ethanol sensing ability of the proposed system was examined. The amperometric response of the biosensor increased linearly with increasing ethanol concentration in two concentration ranges, 5 × 10(-6)-6 × 10(-5) and 6 × 10(-5)-9 × 10(-4) mol L(-1) with detection limit of 5 × 10(-7) mol L(-1) and rapid response of 10s. Furthermore, the interference effects of redox active species, such as ascorbic acid, uric acid, glucose and acetaminophen for the proposed biosensor are negligible. Finally, the ability of the proposed biosensor for detection of ethanol in real complex samples was successfully demonstrated.
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Affiliation(s)
- Hazhir Teymourian
- Department of Chemistry, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
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Teymourian H, Salimi A, Hallaj R. Low potential detection of NADH based on Fe₃O₄ nanoparticles/multiwalled carbon nanotubes composite: fabrication of integrated dehydrogenase-based lactate biosensor. Biosens Bioelectron 2011; 33:60-8. [PMID: 22230696 DOI: 10.1016/j.bios.2011.12.031] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2011] [Revised: 12/10/2011] [Accepted: 12/13/2011] [Indexed: 10/14/2022]
Abstract
Fe(3)O(4) magnetic nanoparticles were in situ loaded on the surface of multiwalled carbon nanotubes (MWCNTs) by a simple coprecipitation procedure. The resulting Fe(3)O(4)/MWCNTs nanocomposite brings new capabilities for electrochemical sensing by combining the advantages of Fe(3)O(4) magnetic nanoparticles and MWCNTs. It was found that Fe(3)O(4) has redox properties similar to those of frequently used mediators used for electron transfer between NADH and electrode. The cyclic voltammetric results indicated the ability of Fe(3)O(4)/MWCNTs modified GC electrode to catalyze the oxidation of NADH at a very low potential (0.0 mV vs. Ag/AgCl) and subsequently, a substantial decrease in the overpotential by about 650 mV compared with the bare GC electrode. The catalytic oxidation current allows the stable and selective amperometric detection of NADH at an applied potential of 0.0 mV (Ag/AgCl) with a detection limit of 0.3 μM and linear response up to 300 μM. This modified electrode can be used as an efficient transducer in the design of biosensors based on coupled dehydrogenase enzymes. Lactate dehydrogenase (LDH) and NAD(+) were subsequently immobilized onto the Fe(3)O(4)/MWCNTs nanocomposite film by covalent bond formation between the amine groups of enzyme or NAD(+) and the carboxylic acid groups of the Fe(3)O(4)/MWCNT film. Differential pulse voltammetric detection of lactate on Fe(3)O(4)/MWCNT/LDH/NAD(+) modified GC electrode gives linear responses over the concentration range of 50-500 μM with the detection limit of 5 μM and sensitivity of 7.67 μA mM(-1). Furthermore, the applicability of the sensor for the analysis of lactate concentration in human serum samples has been successfully demonstrated.
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Affiliation(s)
- Hazhir Teymourian
- Department of Chemistry, University of Tarbiat Modares, Tehran, Iran
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25
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Microdiffusion-based UV-LED spectrometric setup for determining low levels of ethanol in fruit juice. Talanta 2011; 87:174-9. [PMID: 22099665 DOI: 10.1016/j.talanta.2011.09.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2011] [Revised: 09/22/2011] [Accepted: 09/27/2011] [Indexed: 11/20/2022]
Abstract
A novel setup is described in which we combined the separation of a volatile substance from a sample with a complex matrix on the basis of a microdiffusion process with a kinetic on-line spectrometric monitoring of the reaction in the receptive medium at 365 nm. The fruit juice was selected as a model for testing the performance of the setup in real-life applications. The ethanol content in fruit juice can be considered as an indicator of the fruit-juice quality and should not exceed the regulatory limiting values. After optimising the microdiffusion process, blackcurrant, orange and two varieties of apple juice were analysed. The sample analysis lasted 15 min at 35°C. The ethanol concentrations were found to be between 0.9 and 4.0 mmol/L, and were comparable to the results obtained using the SIST:ISO 2448:1998 standard method, which is time consuming, labour intensive and requires high sample volumes. The setup can easily be adapted for determining other volatile substances in low concentrations in complicated samples of different types by introducing different chemistry and replacing the light source if the light of a different wavelength is required. The measuring characteristics of the setup were critically assessed, the main sources of uncertainty recognised and the possibilities for further improvements of the setup and the procedure considered.
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26
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A novel hybrid platform for the preparation of disposable enzyme biosensors based on poly(3,4-ethylenedioxythiophene) electrodeposition in an ionic liquid medium onto gold nanoparticles-modified screen-printed electrodes. J Electroanal Chem (Lausanne) 2011. [DOI: 10.1016/j.jelechem.2010.11.038] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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27
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Mažeikienė R, Niaura G, Eicher-Lorka O, Malinauskas A. Raman spectroelectrochemical study of Meldola blue, adsorbed and electropolymerized at a gold electrode. J Colloid Interface Sci 2011; 357:189-97. [DOI: 10.1016/j.jcis.2011.01.086] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2010] [Revised: 12/20/2010] [Accepted: 01/25/2011] [Indexed: 11/27/2022]
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28
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Zhong H, Yuan R, Chai Y, Li W, Zhang Y, Wang C. Amperometric biosensor for hydrogen peroxide based on horseradish peroxidase onto gold nanowires and TiO2 nanoparticles. Bioprocess Biosyst Eng 2011; 34:923-30. [DOI: 10.1007/s00449-011-0543-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Accepted: 04/04/2011] [Indexed: 02/07/2023]
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29
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Yuksel M, Akin M, Geyik C, Demirkol DO, Ozdemir C, Bluma A, Höpfner T, Beutel S, Timur S, Scheper T. Offline glucose biomonitoring in yeast culture by polyamidoamine/ cysteamine-modified gold electrodes. Biotechnol Prog 2011; 27:530-8. [DOI: 10.1002/btpr.544] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2010] [Revised: 08/24/2010] [Indexed: 01/09/2023]
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30
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Periasamy AP, Umasankar Y, Chen SM. Toluidine blue adsorbed on alcohol dehydrogenase modified glassy carbon electrode for voltammetric determination of ethanol. Talanta 2010; 83:930-6. [PMID: 21147339 DOI: 10.1016/j.talanta.2010.10.058] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Revised: 10/26/2010] [Accepted: 10/29/2010] [Indexed: 11/27/2022]
Abstract
A novel toluidine blue O (TBO) adsorbed alcohol dehydrogenase (ADH) biocomposite film have been prepared through simple adsorption technique with the help of electrostatic interaction between oppositely charged layers. Nafion (NF) coating was made on top of the biocomposite film modified glassy carbon electrode (GCE) to protect ADH from leaching. The fabricated ADH/TBO/NF biocomposite electrode remains highly stable in the pH range from 4 to 13. More facile electron transfer process occurs at ADH/TBO/NF biocomposite than at TBO/NF film, which is obvious from the six folds increase in k(s) value. Maximum surface coverage concentration (Γ) of TBO is noticed at ADH/TBO/NF film, which is 82% higher than at TBO/NF and 15% higher than at ADH/TBO film modified GCEs. Electrochemical impedance spectroscopy studies reveal that ADH has been well immobilized in the biocomposite film. Scanning electron microscopy studies confirm the discriminate surface morphology of various components present in the biocomposite film. Cyclic voltammetry studies validate that ADH/TBO/NF biocomposite film exhibits excellent electrocatalytic activity for ethanol oxidation at low over potential (I(pa)=-0.14 V). The same studies show biocomposite film possesses a good sensitivity of 7.91 μAM(-1)cm(-2) for ethanol determination. This above sensitivity value is 17.40% higher than the sensitivity obtained for TBO/NF film (6.74 μAM(-1)cm(-2)). Further, using differential pulse voltammetry, a sensitivity of 1.70 μAM(-1)cm(-2) has been achieved for ADH/TBO/NF biocomposite film.
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Affiliation(s)
- Arun Prakash Periasamy
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC
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31
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Amine-terminated organosilica nanosphere functionalized prussian blue for the electrochemical detection of glucose. Talanta 2010; 82:367-71. [DOI: 10.1016/j.talanta.2010.04.051] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2009] [Revised: 04/19/2010] [Accepted: 04/25/2010] [Indexed: 11/19/2022]
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32
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Salimi A, Lasghari S, Noorbakhash A. Carbon Nanotubes-Ionic Liquid and Chloropromazine Modified Electrode for Determination of NADH and Fabrication of Ethanol Biosensor. ELECTROANAL 2010. [DOI: 10.1002/elan.201000020] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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33
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Tiwari I, Singh KP, Singh M. An insight review on the application of polymer-carbon nanotubes based composite material in sensor technology. RUSS J GEN CHEM+ 2010. [DOI: 10.1134/s1070363209120226] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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34
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Zhao G, Zhan X. Facile preparation of disposable immunosensor for Shigella flexneri based on multi-wall carbon nanotubes/chitosan composite. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2009.12.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Development of an alcohol dehydrogenase biosensor for ethanol determination with toluidine blue O covalently attached to a cellulose acetate modified electrode. SENSORS 2010; 10:748-64. [PMID: 22315566 PMCID: PMC3270867 DOI: 10.3390/s100100748] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2009] [Revised: 12/29/2009] [Accepted: 01/12/2010] [Indexed: 11/25/2022]
Abstract
In this work, a novel voltammetric ethanol biosensor was constructed using alcohol dehydrogenase (ADH). Firstly, alcohol dehydrogenase was immobilized on the surface of a glassy carbon electrode modified by cellulose acetate (CA) bonded to toluidine blue O (TBO). Secondly, the surface was covered by a glutaraldehyde/bovine serum albumin (BSA) cross-linking procedure to provide a new voltammetric sensor for the ethanol determination. In order to fabricate the biosensor, a new electrode matrix containing insoluble Toluidine Blue O (TBO) was obtained from the process, and enzyme/coenzyme was combined on the biosensor surface. The influence of various experimental conditions was examined for the characterization of the optimum analytical performance. The developed biosensor exhibited sensitive and selective determination of ethanol and showed a linear response between 1 × 10−5 M and 4 × 10−4 M ethanol. A detection limit calculated as three times the signal-to-noise ratio was 5.0 × 10−6 M. At the end of the 20th day, the biosensor still retained 50% of its initial activity.
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36
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Akin M, Yuksel M, Geyik C, Odaci D, Bluma A, Höpfner T, Beutel S, Scheper T, Timur S. Alcohol biosensing by polyamidoamine (PAMAM)/cysteamine/alcohol oxidase-modified gold electrode. Biotechnol Prog 2010; 26:896-906. [DOI: 10.1002/btpr.372] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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37
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Yao K, Huang D, Xu B, Wang N, Wang Y, Bi S. A sensitive electrochemical approach for monitoring the effects of nano-Al2O3on LDH activity by differential pulse voltammetry. Analyst 2010; 135:116-20. [DOI: 10.1039/b910557c] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Barthelmebs L, Calas-Blanchard C, Istamboulie G, Marty JL, Noguer T. Biosensors as analytical tools in food fermentation industry. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2010; 698:293-307. [PMID: 21520720 DOI: 10.1007/978-1-4419-7347-4_22] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The food industries need rapid and affordable methods to assure the quality ofproducts and process control. Biosensors, combining a biological recognition element and a sensitive transducer, are versatile analytical tools that offer advantages as classical analytical methods due to their inherent specificity, selectivity and simplicity. This paper reviews the recent trends in the development and applications of biosensors used in food fermentation industry, focusing on amperometric enzymatic and microbial sensors.
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Affiliation(s)
- Lise Barthelmebs
- IMAGES Group, Centre de Phytopharmacie, University of Perpignan, France.
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39
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Yang DW, Liu HH. Poly(brilliant cresyl blue)-carbonnanotube modified electrodes for determination of NADH and fabrication of ethanol dehydrogenase-based biosensor. Biosens Bioelectron 2009; 25:733-8. [PMID: 19740647 DOI: 10.1016/j.bios.2009.08.016] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2009] [Revised: 07/29/2009] [Accepted: 08/11/2009] [Indexed: 11/27/2022]
Abstract
A single walled-carbon nanotube (SWNT) modified with poly brilliant cresyl blue (PBCB) glassy carbon electrode has been fabricated by a simple, method in order to facilitate electrocatalytic detection of NADH. At this chemically modified electrode, NADH was determined in neutral phosphate buffer solution at 0V (vs. SCE). The amperometric detection provided a wide linear current vs. concentration range (3.0-104.2 microM), a fast response time (within 5s), high sensitivity [9.89nA (muM)(-1)] and a low detection limit (1.0 microM, S/N=3). No interference was observed with a 100-fold excess of dopamine or uric acid. An ethanol biosensor also was developed using the nanocomposite modified electrode, by immobilizing ethanol dehydrogenase with carrageenan. In this case a linear ethanol concentration response was achieved in the range from 0.4 to 2.4mM and the detection limit was estimated to be 0.1mM (S/N=3). The analytical performance achieved with the of the PBCB/SWNT nanocomposite electrode is expected to the development of novel biosensors, biofuel cells, and other bioelectrochemical devices.
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Affiliation(s)
- Dong-Wei Yang
- Xiangfan University, Xiangfan, Huibei, 441053, China
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40
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Arvinte A, Rotariu L, Bala C, Gurban AM. Synergistic effect of mediator-carbon nanotube composites for dehydrogenases and peroxidases based biosensors. Bioelectrochemistry 2009; 76:107-14. [PMID: 19467932 DOI: 10.1016/j.bioelechem.2009.04.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2008] [Revised: 04/16/2009] [Accepted: 04/20/2009] [Indexed: 11/30/2022]
Abstract
Very sensitive, low cost and reliable NADH and H(2)O(2) sensors were realised and used for development of enzyme based biosensors. The active surface of the electrodes was modified with a nanocomposite obtained by modification of SWNT with a proper mediator: Meldola Blue (for NADH) and Prussian Blue (for H(2)O(2)). Low applied potential of -50 mV vs. Ag/AgCl reference electrode proved the synergistic effect of nanocomposite materials towards NADH and H(2)O(2) detection. Biosensors for malic acid and alkylphenols have been developed, using mediator-functionalized-SWNT-based electrodes and two different classes of enzymes: NAD(+)-dependent dehydrogenases and peroxidases. Immobilization of the enzymes was realised using a series of different procedures - adsorption, Nafion membrane, sol-gel and glutaraldehyde, in order to find the best configuration for a good operational stability. A higher sensitivity comparing with other reported biosensors of about 12.41 mA/M.cm(2) was obtained for l-malic acid biosensor with enzyme immobilised in Nafion membrane. Phenol, 4-t-octylphenol and 4-n-nonylphenol were used as standard compounds for HRP based biosensor. Fast biosensor response and comparable detection limit with HPLC methods were achieved.
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Affiliation(s)
- Adina Arvinte
- Laboratory of Quality Control and Process Monitoring, University of Bucharest, 4-12 Regina Elisabeta, 030018 Bucharest, Romania
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41
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Electrochemical sensors based on carbon nanotubes. SENSORS 2009; 9:2289-319. [PMID: 22574013 PMCID: PMC3348810 DOI: 10.3390/s90402289] [Citation(s) in RCA: 155] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2009] [Revised: 03/17/2009] [Accepted: 03/30/2009] [Indexed: 11/17/2022]
Abstract
This review focuses on recent contributions in the development of the electrochemical sensors based on carbon nanotubes (CNTs). CNTs have unique mechanical and electronic properties, combined with chemical stability, and behave electrically as a metal or semiconductor, depending on their structure. For sensing applications, CNTs have many advantages such as small size with larger surface area, excellent electron transfer promoting ability when used as electrodes modifier in electrochemical reactions, and easy protein immobilization with retention of its activity for potential biosensors. CNTs play an important role in the performance of electrochemical biosensors, immunosensors, and DNA biosensors. Various methods have been developed for the design of sensors using CNTs in recent years. Herein we summarize the applications of CNTs in the construction of electrochemical sensors and biosensors along with other nanomaterials and conducting polymers.
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42
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Nagaraju D, Pandey RK, Lakshminarayanan V. Electrocatalytic studies of Cytochrome c functionalized single walled carbon nanotubes on self-assembled monolayer of 4-ATP on gold. J Electroanal Chem (Lausanne) 2009. [DOI: 10.1016/j.jelechem.2008.12.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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43
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Agüí L, Yáñez-Sedeño P, Pingarrón JM. Role of carbon nanotubes in electroanalytical chemistry. Anal Chim Acta 2008; 622:11-47. [DOI: 10.1016/j.aca.2008.05.070] [Citation(s) in RCA: 415] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2008] [Revised: 05/21/2008] [Accepted: 05/22/2008] [Indexed: 12/01/2022]
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44
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Immobilization of horseradish peroxidase on chitosan/silica sol–gel hybrid membranes for the preparation of hydrogen peroxide biosensor. ACTA ACUST UNITED AC 2008; 70:830-7. [DOI: 10.1016/j.jprot.2007.11.010] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2007] [Accepted: 11/19/2007] [Indexed: 11/18/2022]
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45
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Alcohol dehydrogenase amperometric biosensor based on a colloidal gold–carbon nanotubes composite electrode. Electrochim Acta 2008. [DOI: 10.1016/j.electacta.2007.10.003] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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46
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Arvinte A, Rotariu L, Bala C. Amperometric Low-Potential Detection of Malic Acid Using Single-Wall Carbon Nanotubes Based Electrodes. SENSORS 2008; 8:1497-1507. [PMID: 27879776 PMCID: PMC3663007 DOI: 10.3390/s8031497] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2008] [Accepted: 02/21/2008] [Indexed: 11/16/2022]
Abstract
The electrocatalytical property of single-wall carbon nanotube (SWNT)modified electrode toward NADH detection was explored by cyclic voltammetry andamperometry techniques. The experimental results show that SWNT decrease theovervoltage required for oxidation of NADH (to 300 mV vs. Ag/AgCl) and this propertymake them suitable for dehydrogenases based biosensors. The behavior of the SWNTmodified biosensor for L-malic acid was studied as an example for dehydrogenasesbiosensor. The amperometric measurements indicate that malate dehydrogenase (MDH)can be strongly adsorbed on the surface of the SWNT-modified electrode to form anapproximate monolayer film. Enzyme immobilization in Nafion membrane can increasethe biosensor stability. A linear calibration curve was obtained for L-malic acidconcentrations between 0.2 and 1mM.
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Affiliation(s)
- Adina Arvinte
- Laboratory of Quality Control and Process Monitoring, Department of Analytical Chemistry, University of Bucharest, 4-12 Regina Elisabeta Blvd., 030018 Bucharest, Romania
| | - Lucian Rotariu
- Laboratory of Quality Control and Process Monitoring, Department of Analytical Chemistry, University of Bucharest, 4-12 Regina Elisabeta Blvd., 030018 Bucharest, Romania
| | - Camelia Bala
- Laboratory of Quality Control and Process Monitoring, Department of Analytical Chemistry, University of Bucharest, 4-12 Regina Elisabeta Blvd., 030018 Bucharest, Romania.
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47
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Santos A, Pereira A, Sotomayor M, Tarley C, Durán N, Kubota L. Determination of Phenolic Compounds Based on Co-Immobilization of Methylene Blue and HRP on Multi-Wall Carbon Nanotubes. ELECTROANAL 2007. [DOI: 10.1002/elan.200603759] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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